WO2007118391A1 - A control device for the power on/off of a single board and a communication system - Google Patents

A control device for the power on/off of a single board and a communication system Download PDF

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Publication number
WO2007118391A1
WO2007118391A1 PCT/CN2007/000265 CN2007000265W WO2007118391A1 WO 2007118391 A1 WO2007118391 A1 WO 2007118391A1 CN 2007000265 W CN2007000265 W CN 2007000265W WO 2007118391 A1 WO2007118391 A1 WO 2007118391A1
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Prior art keywords
board
contact
switch
power
control
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Application number
PCT/CN2007/000265
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French (fr)
Chinese (zh)
Inventor
Xin Wan
Original Assignee
Huawei Technologies Co., Ltd.
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Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007118391A1 publication Critical patent/WO2007118391A1/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack
    • H05K7/1401Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
    • H05K7/1414Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means with power interlock

Definitions

  • the present invention relates to a control device and a communication system, and more particularly to a single-board power-down control device and communication system for use in a communication product. Background technique
  • the reliability requirements for communication products are getting higher and higher, and the higher the reliability of communication products, the maintenance and maintenance of hardware products is reduced, and the work efficiency of the products is improved.
  • the power-on and power-off control of the board hardware is more reliable. The board cannot be powered off abnormally due to a single point of failure of the detection circuit.
  • the power-on and power-off control of the boards in the communication product is usually performed by a single micro switch of the board to detect whether the single-plate wrench is closed.
  • the wrench is considered to be On the board, you can power off the board.
  • the board is considered to be loose.
  • the single board fails to be powered off, causing the board to be powered off abnormally and the service is interrupted abnormally.
  • the embodiments of the present invention provide a single-board power-off control device and a communication system, which are used to solve the problem of control of reliability of a single-board power-off in the prior art.
  • At least two contact switches are mounted on the veneer panel and are in contact with the veneer wrench
  • the control module is electrically connected to the at least two contact switches, and detects a contact state between the contact switch and the single-board wrench, and controls the board to be powered off.
  • the embodiment of the present invention further provides a communication system, including: a board including a panel and a wrench, further comprising: a board-on-board power-off control device including a control module and at least two contact switches, wherein the contact switch is installed in a single On the panel panel, and in contact with the single-plate wrench;
  • the control module is electrically connected to the at least two contact switches, and is configured to detect a contact state between the contact switch and the single-board wrench, and control the power-off of the board.
  • the embodiment of the invention solves the problem of the reliability control of the power-off of the board, and can avoid the problem that the single-point fault, the abnormal power-off of the board, and the abnormal interruption of the service are caused by the failure of the micro-switch, so that the power-off of the board in the communication product can be obtained. Reliable control. DRAWINGS
  • FIG. 1A and FIG. 1B are schematic diagrams showing the structure of the power-on and power-off control device applied to a single board according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a control structure of the power-on and power-off control device according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a communication system according to an embodiment of the present invention. detailed description
  • FIG. 1A and FIG. 1B are schematic diagrams showing the structure of an upper and lower electric control device applied to a single board according to an embodiment of the present invention
  • the embodiment of the present invention provides a single-board power-off control device, as shown in FIG. 1A and FIG. 1B, including: a power supply, at least two contact switches 11, and the two contact switches 11 are mounted on the single board 12.
  • the panel is in contact with the single-plate wrench 13;
  • the control module is electrically connected to the at least two contact switches 11, detects the contact state of the contact switch 11, and controls the board 12 to be powered on and off.
  • the contact switch 11 can be a micro switch.
  • the position of the micro switch in contact with the single-plate wrench is indicated in FIG. 1A.
  • the tilting switch can be installed on the panel of the single-board 12 and is in contact with the upper and lower sides of the single-plate wrench 13. It can also be installed in the appropriate position of the single-panel panel according to actual requirements, as long as the micro-switch can be effectively used with the single-plate wrench.
  • the contact of the board can be detected by the contact.
  • the micro switch in the embodiment can also be replaced by a pressure sensor, that is, the insertion state of the board is detected according to the pressure of the single-plate wrench and the two pressure sensors provided on the panel of the board.
  • the control module includes at least: a switch detecting unit 121 that detects a contact state of the contact switch 11; and an onboard power control unit 122,
  • the board 12 is powered on according to the detection result of the contact switch detecting unit 121.
  • the board power-off control unit 123 controls the board 12 to be powered down according to the detection result of the micro switch detecting unit 121.
  • the control module 14 is electrically connected to the micro switch.
  • the switch detecting unit 121 in the control module 14 detects the contact state of the micro switch. (If it is a pressure sensor, it needs When the pressure wrench is detected, when the single-plate wrench 13 is closed, the two micro-switches are closed, and the switch detecting unit 121 detects the two micro-switch closing signals, determines that the two switch contacts are valid, and transmits the signal to the On the board, the power control unit 122 controls the board 12 to be powered on. During the operation, when the board wrench 13 is opened, the two switches are turned on, and the switch detecting unit 121 is turned on. The two micro switch open signals are detected, and the two switches are inactive, and the signal is transmitted to the board power-off control unit 123, and the board power-off control unit 123 controls The board is powered off.
  • control module 14 may further include an alarm unit 124, and the alarm unit 124 sends an alarm signal according to the detection result of the switch detection unit 121.
  • the switch detecting unit 121 can only detect one abutting switch contact state for a long time, the switch detecting unit 121 will transmit the signal to the alarm unit 124, and the alarm unit 124 generates an alarm. Signal, prompting for a single detection fault.
  • the detection control logic is the same as the above table, that is, when multiple swaying switches are in the contact state at the same time, the single board is powered; the plurality of micro switches are not in contact at the same time. The status of the board is powered off. Any one of the microswitches is in the non-contact state. This status alarm is detected during board operation.
  • the power supply for supplying power to the device may be an independent power supply or a single-board power supply.
  • the control circuit may be implemented by using an existing circuit. Obviously, how to implement it after the structural block diagram is disclosed is well known to those skilled in the art.
  • multiple contact switches and their control power-on logic are used in the power-on and power-off control, and are applied to the board of the communication product, which can not only solve the reliability control problem of power-off on the board, but also avoid the present problem.
  • the single-point fault, the abnormal power-off of the board, and the abnormal interruption of the service are caused by the failure of the micro-switch, so that the power-off of the board of the communication product can be reliably controlled.

Abstract

A control device for the power on/off of a single board and a communication system include at least two contact switches (11) arranged on the panel of the single board (12) and contact with the spanner (13) of the single board; a control module electrically connected with the at least two contact switches (11) for detecting the contact state of the contact switches (11) and the spanner (13) of the single board and controlling the power on/off of the single board (12).

Description

单板上下电控制装置及通信系统  Single board power-off control device and communication system
技术领域 Technical field
本发明涉及一种控制装置及通信系统, 特别涉及一种用于通信产品中的单 板上下电控制装置及通信系统。 背景技术  The present invention relates to a control device and a communication system, and more particularly to a single-board power-down control device and communication system for use in a communication product. Background technique
随着通信业的迅速发展, 对于通信产品的可靠性要求越来越高, 通信产品 的可靠性越高, 就减少了对硬件产品的维护与维修, 进而就提高了产品的工作 效率。 对于通信产品的可靠性来讲, 其中较为重要的就是需要对于设备单板硬 件的上下电控制更加可靠, 不能因为检测电路的单点故障导致单板的异常下 电。  With the rapid development of the communication industry, the reliability requirements for communication products are getting higher and higher, and the higher the reliability of communication products, the maintenance and maintenance of hardware products is reduced, and the work efficiency of the products is improved. For the reliability of the communication products, it is more important that the power-on and power-off control of the board hardware is more reliable. The board cannot be powered off abnormally due to a single point of failure of the detection circuit.
现有技术中, 在硬件上, 通信产品中的单板的上下电控制通常是靠单板的 单个微动开关来检测单板扳手是否合上, 当检测到微动开关接触有效, 认为扳 手合上, 可以给单板上电; 当检测到微动开关没有接触, 认为单板扳手松开, 可以给单板下电。  In the prior art, in the hardware, the power-on and power-off control of the boards in the communication product is usually performed by a single micro switch of the board to detect whether the single-plate wrench is closed. When the contact of the micro-switch is detected, the wrench is considered to be On the board, you can power off the board. When it is detected that the micro switch is not in contact, the board is considered to be loose.
在实现本发明过程中, 发明人发现现有技术中至少存在如下问题:  In the process of implementing the present invention, the inventors have found that at least the following problems exist in the prior art:
1、 随着单板尺寸的增大, 单个微动开关接触上不足以表明单板已经插好, 如果此时给单板上电, 对于单板功能故障有一定的隐患;  1. As the size of the board increases, the contact of the single micro switch is insufficient to indicate that the board is plugged in. If the board is powered on, the board has a certain hidden danger.
2、 采用单个微动开关进行检测, 容易对单板的接触状态产生误判, 造成 误上电或是误下电;  2. Using a single micro switch to detect, it is easy to misjudge the contact state of the board, resulting in incorrect power-on or power-off;
3、 单板微动开关在运行过程 ψ失效会带来单板的单点故障, 进而导致单 板异常下电, 使业务异常中断。  3. During the operation of the board micro switch, the single board fails to be powered off, causing the board to be powered off abnormally and the service is interrupted abnormally.
综上所述, 现有的单板上下电控制装置在结构以及控制关系上都不能适应 技术的发展要求, 需要一种更可靠的控制装置来替代现有产品。 发明内容 In summary, the existing single-board power-off control device cannot meet the development requirements of the technology in terms of structure and control relationship, and a more reliable control device is needed to replace the existing product. Summary of the invention
本发明实施例提供一种单板上下电控制装置及通信系统, 用以解决现有技 术中存在单板上下电可靠性的控制问题。  The embodiments of the present invention provide a single-board power-off control device and a communication system, which are used to solve the problem of control of reliability of a single-board power-off in the prior art.
本发明实施例提供的单板上下电控制装置, 包括:  The device for controlling power on and off the board provided by the embodiment of the invention includes:
至少两个接触开关, 装设在单板面板上, 且与单板扳手接触;  At least two contact switches are mounted on the veneer panel and are in contact with the veneer wrench;
控制模块, 与所述至少两个接触开关电连接, 检测接触开关与单板扳手的 接触状态, 控制所述单板上下电。  The control module is electrically connected to the at least two contact switches, and detects a contact state between the contact switch and the single-board wrench, and controls the board to be powered off.
本发明实施例还提供了一种通信系统, 包括: 含面板与扳手的单板, 还包 括: 含控制模块与至少两个接触开关的单板上下电控制装置, 所述接触开关装 设在单板面板上, 且与单板扳手接触;  The embodiment of the present invention further provides a communication system, including: a board including a panel and a wrench, further comprising: a board-on-board power-off control device including a control module and at least two contact switches, wherein the contact switch is installed in a single On the panel panel, and in contact with the single-plate wrench;
所述控制模块, 与所述至少两个接触开关电连接, 用于检测接触开关与单 板扳手的接触状态, 控制所述单板上下电。  The control module is electrically connected to the at least two contact switches, and is configured to detect a contact state between the contact switch and the single-board wrench, and control the power-off of the board.
本发明实施例有益效果如下:  The beneficial effects of the embodiments of the present invention are as follows:
本发明实施例解决了单板上下电的可靠性控制问题, 可以避免微动开关失 效导致单点故障、 单板异常下电以及业务异常中断的问题, 使得通信产品中的 单板上下电可以得到可靠的控制。 附图说明  The embodiment of the invention solves the problem of the reliability control of the power-off of the board, and can avoid the problem that the single-point fault, the abnormal power-off of the board, and the abnormal interruption of the service are caused by the failure of the micro-switch, so that the power-off of the board in the communication product can be obtained. Reliable control. DRAWINGS
图 1A、图 1B为本发明实施例中所述上下电控制装置应用在单板中的结构 示意图;  1A and FIG. 1B are schematic diagrams showing the structure of the power-on and power-off control device applied to a single board according to an embodiment of the present invention;
图 2为本发明实施例中所述上下电控制装置控制结构示意图;  2 is a schematic diagram of a control structure of the power-on and power-off control device according to an embodiment of the present invention;
图 3为本发明实施例中通信系统结构示意图。 具体实施方式  FIG. 3 is a schematic structural diagram of a communication system according to an embodiment of the present invention. detailed description
下面结合附图对本发明的具体实施方式进行说明。  Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
图 1A、图 1B为本发明实施例中上下电控制装置应用在单板中的结构示意 图, 本发明实施例提供了一种单板上下电控制装置, 如图 1A以及图 1B所示, 包括: 电源、 至少两个接触开关 11 , 该两个接触开关 11装设在单板 12的面板 上,且与单板扳手 13相接触; 控制模块,与所述至少两个接触开关 11电连接, 检测接触开关 11的接触状态, 控制所述单板 12上下电。 FIG. 1A and FIG. 1B are schematic diagrams showing the structure of an upper and lower electric control device applied to a single board according to an embodiment of the present invention; The embodiment of the present invention provides a single-board power-off control device, as shown in FIG. 1A and FIG. 1B, including: a power supply, at least two contact switches 11, and the two contact switches 11 are mounted on the single board 12. The panel is in contact with the single-plate wrench 13; the control module is electrically connected to the at least two contact switches 11, detects the contact state of the contact switch 11, and controls the board 12 to be powered on and off.
实施例中, 所述接触开关 11可为微动开关,在图 1A中指出了微动开关与 单板扳手接触的位置, 以下以微动开关为例进行说明, 但显然本实施例并不仅 限于只应用于微动开关。 当上下电控制装置安装在通信产品中后, 其原理是采 用两个敖动开关检测单板是否插到位, 来确定是否对单板上下电, 保证单板的 可靠运 4亍, 其结构中的敖动开关可以安装在单板 12面板上, 且与单板扳手 13 的上下两侧接触, 也可以根据实际需求安装在单板面板的合适位置上, 只要保 证微动开关可以同单板扳手有效的接触就可以实现单板插入状态的检测。  In the embodiment, the contact switch 11 can be a micro switch. The position of the micro switch in contact with the single-plate wrench is indicated in FIG. 1A. The following describes the micro switch as an example, but it is obvious that the embodiment is not limited thereto. Only applied to micro switches. After the power-on and power-on control device is installed in the communication product, the principle is to use two swaying switches to check whether the board is inserted in the position to determine whether to power off the board and ensure the reliable operation of the board. The tilting switch can be installed on the panel of the single-board 12 and is in contact with the upper and lower sides of the single-plate wrench 13. It can also be installed in the appropriate position of the single-panel panel according to actual requirements, as long as the micro-switch can be effectively used with the single-plate wrench. The contact of the board can be detected by the contact.
实施例中的微动开关也可以采用压力传感器替代, 也就是根据单板扳手与 设在单板面板上的两个压力传感器的压力, 对单板的插入状态进行检测。  The micro switch in the embodiment can also be replaced by a pressure sensor, that is, the insertion state of the board is detected according to the pressure of the single-plate wrench and the two pressure sensors provided on the panel of the board.
图 2为本发明实施例中上下电控制装置控制结构示意图, 如图 2所示, 所 述控制模块至少包括: 开关检测单元 121 , 检测接触开关 11的接触状态; 单板 上电控制单元 122, 根据接触开关检测单元 121的检测结果控制单板 12上电; 单板下电控制单元 123 , 根据微动开关检测单元 121 的检测结果控制单板 12 下电。  2 is a schematic diagram of a control structure of an upper and lower electric control device according to an embodiment of the present invention. As shown in FIG. 2, the control module includes at least: a switch detecting unit 121 that detects a contact state of the contact switch 11; and an onboard power control unit 122, The board 12 is powered on according to the detection result of the contact switch detecting unit 121. The board power-off control unit 123 controls the board 12 to be powered down according to the detection result of the micro switch detecting unit 121.
控制模块 14与所述的微动开关电连接, 当电源 10对控制模块 14供电后, 控制模块 14中的开关检测单元 121对微动开关的接触状态进行检测.(如果是 压力传感器, 则需要对压力状态进行检测), 当单板扳手 13合上, 两微动开关 闭合, 此时开关检测单元 121检测到两微动开关闭合信号, 确定两开关接触有 效,并将该信号传递给所述单板上电控制单元 122,所述单板上电控制单元, 122 控制单板 12上电; 在运行过程中, 当单板扳手 13打开, 两^:动开关开启, 此 时开关检测单元 121检测到两微动开关开启信号, 确定两开关非接触有效, 并 将该信号传递给所述单板下电控制单元 123 , 所述单板下电控制单元 123控制 单板下电。 The control module 14 is electrically connected to the micro switch. When the power supply 10 supplies power to the control module 14, the switch detecting unit 121 in the control module 14 detects the contact state of the micro switch. (If it is a pressure sensor, it needs When the pressure wrench is detected, when the single-plate wrench 13 is closed, the two micro-switches are closed, and the switch detecting unit 121 detects the two micro-switch closing signals, determines that the two switch contacts are valid, and transmits the signal to the On the board, the power control unit 122 controls the board 12 to be powered on. During the operation, when the board wrench 13 is opened, the two switches are turned on, and the switch detecting unit 121 is turned on. The two micro switch open signals are detected, and the two switches are inactive, and the signal is transmitted to the board power-off control unit 123, and the board power-off control unit 123 controls The board is powered off.
另外, 在实施例中, 所述控制模块 14还可以包括告警单元 124, 所述告警 单元 124根据开关检测单元 121的检测结果发出告警信号。在单板运行过程中, 如果开关检测单元 121在长时间内只能检测到一个鼓动开关接触状态,所述开 关检测单元 121将会将该信号传递给所述告警单元 124, 告警单元 124产生告 警信号, 对单个检测故障作出提示。  In addition, in an embodiment, the control module 14 may further include an alarm unit 124, and the alarm unit 124 sends an alarm signal according to the detection result of the switch detection unit 121. During the operation of the board, if the switch detecting unit 121 can only detect one abutting switch contact state for a long time, the switch detecting unit 121 will transmit the signal to the alarm unit 124, and the alarm unit 124 generates an alarm. Signal, prompting for a single detection fault.
实施中检测控制逻辑, 以两个微动开关为例, 可以参考下表的内容:  In the implementation of the detection control logic, taking two micro switches as an example, you can refer to the following table:
当在实施中采用多个微动开关时, 其检测控制逻辑与上表内容相同, 也就 是, 多个敖动开关同时处于接触状态时, 单板上电; 多个微动开关同时处于不 接触状态, 单板下电; 多个微动开关中有任何一个处于不接触状态, 单板运行 过程中检测到这个状态告警。 When multiple micro switches are used in the implementation, the detection control logic is the same as the above table, that is, when multiple swaying switches are in the contact state at the same time, the single board is powered; the plurality of micro switches are not in contact at the same time. The status of the board is powered off. Any one of the microswitches is in the non-contact state. This status alarm is detected during board operation.
在实施例中,给装置供电的电源可为一独立电源,也可以为单板供电电源, 实施例中控制电路可以采用现有的电路实现, 实施中在此仅给出一个结构框图 进行说明, 显然, 在披露结构框图后, 如何实施是本领域技术人员所易知的。  In an embodiment, the power supply for supplying power to the device may be an independent power supply or a single-board power supply. In the embodiment, the control circuit may be implemented by using an existing circuit. Obviously, how to implement it after the structural block diagram is disclosed is well known to those skilled in the art.
由以上实施例可知, 在上下电控制中采用多个接触开关及其控制上电逻 辑, 将其应用在通信产品的单板上, 不仅可以解决单板上下电的可靠性控制问 题, 可以避免现有技术中微动开关失效导致单点故障、 单板异常下电以及业务 异常中断的问题, 使通信产品的单板上下电可以得到可靠的控制。  It can be seen from the above embodiments that multiple contact switches and their control power-on logic are used in the power-on and power-off control, and are applied to the board of the communication product, which can not only solve the reliability control problem of power-off on the board, but also avoid the present problem. In the technology, the single-point fault, the abnormal power-off of the board, and the abnormal interruption of the service are caused by the failure of the micro-switch, so that the power-off of the board of the communication product can be reliably controlled.
显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发 明的精神和范围。 这样, 倘若本发明的这些修改和变型属于本发明权利要求及 其等同技术的范围之内, 则本发明也意图包含这些改动和变型在内。  It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of the inventions

Claims

权 利 要 求 Rights request
1、 一种单板上下电控制装置, 其特征在于, 还包括:  A device for controlling power on and off a board, characterized in that:
至少两个接触开关, 装设在单板面板上, 且与单板扳手接触;  At least two contact switches are mounted on the veneer panel and are in contact with the veneer wrench;
控制模块, 与所述至少两个接触开关电连接, 检测接触开关与单板扳手的 接触状态, 控制所述单板上下电。  The control module is electrically connected to the at least two contact switches, and detects a contact state between the contact switch and the single-board wrench, and controls the board to be powered off.
2、 根据权利要求 1 所述的装置, 其特征在于, 所述两个接触开关设置在 单板面板上下两侧。  2. The device according to claim 1, wherein the two contact switches are disposed on upper and lower sides of the veneer panel.
3、 根据权利要求 1所述的装置, 其特征在于, 所述控制模块至少包括: 开关检测单元, 检测接触开关与单板扳手的接触状态;  The device according to claim 1, wherein the control module comprises: at least a switch detecting unit, detecting a contact state between the contact switch and the single-plate wrench;
单板上电控制单元, 根据开关检测单元传递的检测结果控制单板上电; 单板下电控制单元, 根据开关检测单元传递的检测结果控制单板下电。 The board control unit controls the power on the board according to the detection result transmitted by the switch detection unit. The board power-off control unit controls the board to be powered off according to the detection result transmitted by the switch detection unit.
4、 根据权利要求 3所述的装置, 其特征在于, 所述控制模块还包括: 告警单元, 根据开关检测单元的检测结果发出告警信号。 The device according to claim 3, wherein the control module further comprises: an alarm unit, which sends an alarm signal according to the detection result of the switch detecting unit.
5、 才艮据权利要求 1至 4中任一权项所述的装置, 其特征在于, 所述接触 开关为 动开关或压力传感器。  A device according to any one of claims 1 to 4, wherein the contact switch is a dynamic switch or a pressure sensor.
6、 一种通信系统, 包括含面板与扳手的单板, 其特征在于, 还包括: 含 控制模块与至少两个接触开关的单板上下电控制装置, 所述接触开关装设在单 板面板上, 且与单板扳手接触;  A communication system, comprising: a panel comprising a panel and a wrench, further comprising: a board-on-board power-off control device including a control module and at least two contact switches, wherein the contact switch is mounted on a single-board panel Upper, and in contact with the veneer wrench;
所述控制模块, 与所述至少两个接触开关电连接, 用于检测接触开关与单 板扳手的接触状态, 控制所述单板上下电。  The control module is electrically connected to the at least two contact switches, and is configured to detect a contact state between the contact switch and the single-board wrench, and control the power-off of the board.
7、 才艮据权利要求 6所述的系统, 其特征在于, 所述两个接触开关设置在 单板面板上下两侧。  7. The system according to claim 6, wherein the two contact switches are disposed on upper and lower sides of the veneer panel.
8、 才艮据权利要求 6所述的系统, 其特征在于, 所述控制模块包括: 开关检测单元, 用于检测接触开关与单板扳手的接触状态;  The system according to claim 6, wherein the control module comprises: a switch detecting unit, configured to detect a contact state between the contact switch and the single-plate wrench;
单板上电控制单元, 用于根据开关检测单元传递的检测结果控制单板上 电; 单板下电控制单元, 用于根据开关检测单元传递的检测结果控制单板下 电。 The onboard power control unit is configured to control the power on the board according to the detection result transmitted by the switch detection unit; The board power-off control unit is configured to control the power-off of the board according to the detection result transmitted by the switch detection unit.
9、 根据权利要求 8所述的系统, 其特征在于, 所述控制模块还包括: 告警单元, 用于根据开关检测单元的检测结果发出告警信号。  The system according to claim 8, wherein the control module further comprises: an alarm unit, configured to send an alarm signal according to the detection result of the switch detecting unit.
10、 根据权利要求 6至 9中任一权项所述的系统, 其特征在于, 所述接触 开关为微动开关或压力传感器。  10. System according to any of claims 6 to 9, characterized in that the contact switch is a microswitch or a pressure sensor.
PCT/CN2007/000265 2006-04-14 2007-01-24 A control device for the power on/off of a single board and a communication system WO2007118391A1 (en)

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