WO2018072496A1 - Test circuit - Google Patents

Test circuit Download PDF

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Publication number
WO2018072496A1
WO2018072496A1 PCT/CN2017/093138 CN2017093138W WO2018072496A1 WO 2018072496 A1 WO2018072496 A1 WO 2018072496A1 CN 2017093138 W CN2017093138 W CN 2017093138W WO 2018072496 A1 WO2018072496 A1 WO 2018072496A1
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WO
WIPO (PCT)
Prior art keywords
signal
relay
circuit
adapter
generating component
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PCT/CN2017/093138
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French (fr)
Chinese (zh)
Inventor
张英植
曾超
张衡
Original Assignee
宁德时代新能源科技股份有限公司
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Publication of WO2018072496A1 publication Critical patent/WO2018072496A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring

Definitions

  • the present application relates to the field of circuit technologies, and in particular, to a detection circuit.
  • the remaining power, voltage and current of the battery are important parameters for determining the state of the battery.
  • the component responsible for detection and control in the battery management system is a battery management unit.
  • the user uses the circuit for detecting the function of the battery management unit, usually after the components are connected, manually by the user.
  • the device such as the closed switch can perform the corresponding detection, the operation is cumbersome, and the detection efficiency is low.
  • the present application provides a detection circuit that is simple in operation and improves detection efficiency in the process of detecting the function of the battery management unit.
  • the application provides a detection circuit, including: a detected object, a signal generating component, a power source, a signal adapter, a relay, and a capacitor;
  • the detected object is respectively connected to the signal adapter and the relay;
  • the signal adapter is respectively connected to the power source, the signal generating component, and the relay;
  • the capacitor is connected to the relay
  • the signal generating component includes an input and output port and a circuit board, and the circuit board is connected to the signal generating component through the input and output port.
  • the power source comprises: a low voltage output end and a high voltage output end;
  • the low voltage output is connected to the signal adapter
  • the high voltage output is coupled to the relay.
  • the signal adapter includes: a signal output end and a signal input end;
  • the signal input end is communicatively coupled to the signal generating component
  • the signal output is communicatively coupled to the relay.
  • the signal generating component sends a message to the signal input end through a corresponding interface of the communication connection;
  • the signal generating component receives the message sent by the signal input end through a corresponding interface of the communication connection.
  • the signal output terminal sends a driving signal to the relay through a corresponding interface of the communication connection.
  • the signal output end is communicatively connected to the detected object
  • the signal input end is communicatively coupled to the object to be detected.
  • the signal output end sends a message to the detected object through a corresponding interface of the communication connection
  • the detected object sends a message to the signal input end through a corresponding interface of the communication connection.
  • the object to be detected is a battery management unit.
  • the signal adapter includes: a control board, a signal adapter, and a switch;
  • the control board is connected to the signal adapter
  • the signal adapter is connected to the switch
  • the control board is connected to the signal generating component
  • the signal adapter is connected to the object to be detected.
  • the signal adapter is a D-type data interface connector.
  • the detection circuit controls the power source, the signal adapter, and the relay through the signal generating component, and then simulates the environment of the detected object through the power source, the signal adapter, the relay, and the capacitor, and detects the detected object. Whether the function can run normally, realizes the connection state between other components through the signal generating component, and avoids the manual operation by the user, so that the operation is more Convenience, improved detection efficiency.
  • FIG. 1 is a schematic structural diagram of a detection circuit according to an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a detection circuit according to an embodiment of the present disclosure.
  • the detection circuit of the embodiment of the present application may include: a detected object 11 , a signal generating component 12 , a power source 13 , and a signal adapter 14 .
  • the object to be detected 11 is a component for detecting by the user, and in a specific implementation, it may be a battery management unit.
  • the subject 11 is connected to the signal adapter 14 and the relay 15, respectively.
  • the relay 15 can be composed of a relay, a resistor and a wire for simulating a relay in the environment in which the object is to be detected.
  • the main positive relay, the main negative relay, the pre-charge relay, and the charging relay can be detected.
  • each relay can be simulated by a jumper.
  • the internal structure of the relay 15 can be adjusted according to the structure required to detect different objects 11 to be tested.
  • whether the function of the subject 11 can be normally operated can be determined based on whether the subject 11 receives a different signal from the relay 15 and can perform processing.
  • the signal generating component 12 can be used to control the power supply of the power source 13, and control the signal adapter 14, the relay 15, and the signal generating component 12 can also simulate the communication content and communicate with other components, for example, in one
  • the signal generating component 12 may be composed of a circuit board and a software.
  • the circuit board is used to connect components such as the signal adapter 14
  • the software is used to simulate communication content communicated with other components, wherein the software component is It can be connected to a computer, and the user can perform corresponding detection process control.
  • the program can also be pre-stored in the software part, and the software component can complete the whole detection process by itself.
  • the signal generating component 12 is coupled to the signal adapter 14 and the signal generating component 12 can include an input and output port.
  • the signal adapter 14 can include a signal output terminal and a signal input terminal, that is, a signal generating component. 12 can be communicatively coupled to the signal input of the signal adapter 14 via an input and output port.
  • the signal generating component 12 can transmit a message to the signal input terminal through a corresponding interface of the communication connection; or the signal generating component 12 receives the message sent by the signal input terminal through a corresponding interface of the communication connection.
  • the signal output end is communicatively connected with the detected object 11, and the signal output end sends a message to the detected object 11 through the corresponding interface of the communication connection;
  • the signal input end is The body communication connection is detected, and the object 11 transmits a message to the signal input terminal through a corresponding interface of the communication connection.
  • the signal adapter 14 can be composed of a control board, a signal adapter, a socket, a switch, a fuse, a light-emitting diode lamp, and a wire.
  • the control board is connected to the signal adapter, and the control board is connected to the switch.
  • Wires can be used for the connection.
  • the signal adapter 14 is connected to the signal generating member 12 via a signal adapter when connected to the outside, and the signal adapter is connected to the subject 11.
  • the signal adapter is a D-type data interface connector.
  • the specific structure and connection manner of the signal adapter 14 are not limited, and may be adjusted according to the structure required for detecting different objects 11 to be tested.
  • the signal output of signal adapter 14 is communicatively coupled to relay 15 such that the signal output transmits a drive signal to relay 15 via a corresponding interface of the communication connection.
  • Capacitor 16 is coupled to relay 15 and may include capacitors, resistors, and wires for simulating the capacitance required for detection. For example, in a specific implementation process, it may be a vehicle capacitance that simulates a vehicle powered by electric energy.
  • the detected object 11 itself needs electric energy during the working process.
  • the detected object 11 is a battery management unit
  • the function is to monitor the state of the battery and perform corresponding operations according to the state of the battery. Therefore, it is also necessary to simulate the battery managed by the battery management unit.
  • the power source 13 includes: a low voltage output terminal 131 and a high voltage output terminal 132;
  • the low voltage output terminal 131 is connected to the signal adapter
  • the high voltage output 132 is connected to a relay.
  • the low-pressure output terminal 131 can be used to provide a low voltage to the subject 11. Since the battery detected by the battery management unit is generally high in voltage, the high voltage output terminal 132 can be used to provide high voltage to the object to be tested 11, which can be understood as the use of the high voltage output terminal 132 to simulate the voltage of the battery.
  • the detection circuit controls the power supply of the power source 13 and the control of the signal adapter 14 and the relay 15 through the signal generating component 12, and further passes through the power source 13, the signal adapter 14, the relay 15, and the capacitor 16.
  • the signal generating component 12 is controlled to control the connection state between other components, thereby avoiding manual operation by the user, so that the operation is more Convenient and improved detection efficiency.
  • the detection process in the detection circuit of the present application is implemented in the present application.
  • two specific implementation scenarios are described.
  • the object to be tested 11 uses a battery management unit for simulating the environment of a vehicle powered by electric energy.
  • the low-voltage output 131 of the power source 13 outputs a low voltage for supplying power to the battery management unit, and the high-voltage output 132 of the power source 13 is output for Simulating the high voltage of the vehicle battery, the relay 15 simulates the relay used in the whole vehicle, the capacitor 16 simulates the whole vehicle capacitance, and the software part of the signal generating part 12 is connected to the computer.
  • the main simulation is the process of powering the battery management unit.
  • a power control signal is defined on the computer to which the software portion of the signal generating unit 12 is connected for controlling the closing and opening of the switch of the low voltage output terminal 131.
  • the signal value is 1, it means that the switch of the low voltage output terminal 131 is closed, and when the signal value is 0, it means that the switch of the low voltage output terminal 131 is open.
  • the signal of the power control signal value of the signal generating component 12 is given to the signal adapter 14.
  • the signal adapter 14 closes the switch of the low voltage output 131 of the signal adapter 14.
  • the low-voltage output terminal 131 is turned on, and the low-voltage output terminal 131 outputs a voltage to the battery management unit, and in the computer, it is checked whether the battery management unit starts to work after the power is turned on.
  • the object to be tested 11 uses a battery management unit for simulating the environment of a vehicle powered by electric energy.
  • the low-voltage output 131 of the power source 13 outputs a low voltage for supplying power to the battery management unit, and the high-voltage output 132 of the power source 13 is output for Simulating the high voltage of the vehicle battery, the relay 15 simulates the relay used in the whole vehicle, the capacitor 16 simulates the whole vehicle capacitance, and the software part of the signal generating part 12 is connected to the computer.
  • the main simulation is the process of supplying power to the entire vehicle.
  • the high voltage output terminal 132 of the voltage 13 is connected to the relay 15, and the relay 15 is connected to the battery management unit.
  • a relay closing control signal is defined on the computer connected to the software portion of the signal generating unit 12, and the message of the relay closing control signal is generated by the signal.
  • the device 12 is sent to the signal adapter 14 and output by the signal adapter 14 to the battery management unit.
  • the battery management unit sends a level signal of the control relay to the signal adapter 14, wherein the level signal has a high level signal indicating that the relay is closed and a low level signal indicating that the relay is off.
  • the signal adapter 14 After receiving the level signal, the signal adapter 14 transmits a level signal to the relay 15, and the relay 15 performs a corresponding operation based on the level signal, and the signal generator 12 monitors the level signal result of the relay 15.
  • the signal generating component 12 monitors the level signal of the relay 15 as a high level signal, Then, the relay 15 is normally closed, and the function of the battery management system control relay 15 is normally closed.
  • the relay 15 When the signal generating component 12 monitors the level signal of the relay 15 as a low level signal, the relay 15 is not closed, and represents the battery management system control relay 15 There is an abnormality in the closed function.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

A test circuit comprises: an object to be tested (11), a signal generator (12), a power supply (13), a signal adaptor (14), a relay (15), and a capacitor (16). The object to be tested (11) is connected to the signal adaptor (14) and the relay (15), respectively. The signal adaptor (14) is connected to the power supply (13), the signal generator (12), and the relay (15), respectively. The capacitor (16) is connected to the relay (15). The test circuit employs the signal generator to control connection states between the other components, prevents a user from performing a manual operation, providing simpler operations, and increasing test efficiency.

Description

检测电路Detection circuit 技术领域Technical field
本申请涉及电路技术领域，尤其涉及一种检测电路。The present application relates to the field of circuit technologies, and in particular, to a detection circuit.
背景技术Background technique
随着现代社会的发展和人们环保意识的增强，越来越多的新能源得以开发和利用，能源经过开发后，多利用电池作为存储介质进行存储。例如，使用电能作为动力的汽车等。With the development of modern society and the enhancement of people's awareness of environmental protection, more and more new energy sources have been developed and utilized. After the development of energy, more batteries are used as storage media for storage. For example, a car that uses electric energy as a power source or the like.
电池在使用或者存储过程中，电池的剩余电量、电压以及电流等是确定电池状态的重要的参数，为了获取这些参数就需要优化电池***结构，设计电池管理***，进而通过电池管理***获取参数信息，确定电池的状态。其中在电池管理***内负责进行检测、控制的组件为电池管理单元。During the use or storage of the battery, the remaining power, voltage and current of the battery are important parameters for determining the state of the battery. In order to obtain these parameters, it is necessary to optimize the structure of the battery system, design a battery management system, and then obtain parameter information through the battery management system. , determine the status of the battery. Among them, the component responsible for detection and control in the battery management system is a battery management unit.
电池管理单元在设计完成后，需要对其进行检测，以确定是否可以实现设计的功能，然而，现有技术中，用户使用检测电池管理单元功能的电路，通常在连接各个组件之后，由用户手动闭合开关等器件才可以进行相应的检测，操作繁琐，检测效率较低。After the design of the battery management unit is completed, it needs to be tested to determine whether the designed function can be realized. However, in the prior art, the user uses the circuit for detecting the function of the battery management unit, usually after the components are connected, manually by the user. The device such as the closed switch can perform the corresponding detection, the operation is cumbersome, and the detection efficiency is low.
申请内容Application content
本申请提供一种检测电路，在检测电池管理单元功能的过程中，操作简单，提高了检测效率。The present application provides a detection circuit that is simple in operation and improves detection efficiency in the process of detecting the function of the battery management unit.
本申请提供一种检测电路，包括：被检测体、信号生成件、电源、信号转接件、继电器、电容；The application provides a detection circuit, including: a detected object, a signal generating component, a power source, a signal adapter, a relay, and a capacitor;
所述被检测体分别与所述信号转接件、所述继电器连接；The detected object is respectively connected to the signal adapter and the relay;
所述信号转接件分别与所述电源、所述信号生成件、所述继电器连接；The signal adapter is respectively connected to the power source, the signal generating component, and the relay;
所述电容与所述继电器连接；The capacitor is connected to the relay;
所述信号生成件包括输入输出端口以及电路板，所述电路板与所述信号生成件通过所述输入输出端口连接。The signal generating component includes an input and output port and a circuit board, and the circuit board is connected to the signal generating component through the input and output port.
进一步地，上述的检测电路中，所述电源包括：低压输出端与高压输出端； Further, in the above detecting circuit, the power source comprises: a low voltage output end and a high voltage output end;
所述低压输出端与所述信号转接件连接；The low voltage output is connected to the signal adapter;
所述高压输出端与所述继电器连接。The high voltage output is coupled to the relay.
进一步地，上述检测电路中，所述信号转接件包括：信号输出端与信号输入端；Further, in the above detection circuit, the signal adapter includes: a signal output end and a signal input end;
所述信号输入端与所述信号生成件通信连接；The signal input end is communicatively coupled to the signal generating component;
所述信号输出端与所述继电器通信连接。The signal output is communicatively coupled to the relay.
进一步地，上述检测电路中，所述信号生成件通过所述通信连接的相应接口向所述信号输入端发送报文；或者Further, in the above detecting circuit, the signal generating component sends a message to the signal input end through a corresponding interface of the communication connection; or
所述信号生成件通过所述通信连接的相应接口接收所述信号输入端发送的报文。The signal generating component receives the message sent by the signal input end through a corresponding interface of the communication connection.
进一步地，上述检测电路中，所述信号输出端通过所述通信连接的相应接口向所述继电器发送驱动信号。Further, in the above detecting circuit, the signal output terminal sends a driving signal to the relay through a corresponding interface of the communication connection.
进一步地，上述检测电路中，所述信号输出端与所述被检测体通信连接；Further, in the detecting circuit, the signal output end is communicatively connected to the detected object;
所述信号输入端与所述被检测体通信连接。The signal input end is communicatively coupled to the object to be detected.
进一步地，上述检测电路中，所述信号输出端通过所述通信连接的相应接口向所述被检测体发送报文；Further, in the detecting circuit, the signal output end sends a message to the detected object through a corresponding interface of the communication connection;
所述被检测体通过所述通信连接的相应接口向所述信号输入端发送报文。The detected object sends a message to the signal input end through a corresponding interface of the communication connection.
进一步地，上述检测电路中，所述被检测体为电池管理单元。Further, in the above detection circuit, the object to be detected is a battery management unit.
进一步地，上述检测电路中，所述信号转接件包括：控制板、信号转接器以及开关；Further, in the above detection circuit, the signal adapter includes: a control board, a signal adapter, and a switch;
所述控制板与所述信号转接器连接；The control board is connected to the signal adapter;
所述信号转接器与所述开关连接；The signal adapter is connected to the switch;
所述控制板与所述信号生成件连接；The control board is connected to the signal generating component;
所述信号转接器与所述被检测体连接。The signal adapter is connected to the object to be detected.
进一步地，上述检测电路中，所述信号转接器为D型数据接口连接器。Further, in the above detection circuit, the signal adapter is a D-type data interface connector.
本申请实施例提供的检测电路，通过信号生成件来控制电源、信号转接件、继电器，进而通过电源、信号转接件、继电器、电容来模拟被检测体所在的环境，检测被检测体的功能是否可以正常运行，实现了通过信号生成件来控制其他组件之间的连接状态，避免了用户手动进行操作，使得操作更加 的便捷，提高了检测效率。The detection circuit provided by the embodiment of the present invention controls the power source, the signal adapter, and the relay through the signal generating component, and then simulates the environment of the detected object through the power source, the signal adapter, the relay, and the capacitor, and detects the detected object. Whether the function can run normally, realizes the connection state between other components through the signal generating component, and avoids the manual operation by the user, so that the operation is more Convenience, improved detection efficiency.
附图说明DRAWINGS
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present application, and other drawings can be obtained according to the drawings without any creative labor for those skilled in the art.
图1为本申请实施例提供的检测电路的结构示意图。FIG. 1 is a schematic structural diagram of a detection circuit according to an embodiment of the present application.
附图标记：Reference mark:
11—被检测体11—tested body
12—信号生成件12—Signal generator
13—电源13—Power supply
  131—低压输出端131—low voltage output
  132—高压输出端132—high voltage output
14—信号转接件14—Signal Adapter
15—继电器15—Relay
16—电容16-capacitor
具体实施方式detailed description
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present application. It is a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.
实施例一Embodiment 1
图1为本申请实施例提供的检测电路的结构示意图，如图1所示，本申请实施例的检测电路可以包括：被检测体11、信号生成件12、电源13、信号转接件14、继电器15、电容16。 FIG. 1 is a schematic structural diagram of a detection circuit according to an embodiment of the present disclosure. As shown in FIG. 1 , the detection circuit of the embodiment of the present application may include: a detected object 11 , a signal generating component 12 , a power source 13 , and a signal adapter 14 . Relay 15, capacitor 16.
其中，被检测体11为用户对其进行检测的部件，在一个具体的实现方式中，可以是电池管理单元。The object to be detected 11 is a component for detecting by the user, and in a specific implementation, it may be a battery management unit.
被检测体11分别与信号转接件14、继电器15连接。继电器15可以由继电器、电阻和导线组成，用于模拟被检测体所在环境中的继电器，在一个具体的实现环境中，可以包括主正继电器、主负继电器、预充继电器、充电继电器，在检测过程中可以通过跳线的方式对各个继电器进行故障仿真。需要说明的是，在本申请中，继电器15的内部结构可以根据检测不同的被检测体11所需要的结构而调整。The subject 11 is connected to the signal adapter 14 and the relay 15, respectively. The relay 15 can be composed of a relay, a resistor and a wire for simulating a relay in the environment in which the object is to be detected. In a specific implementation environment, the main positive relay, the main negative relay, the pre-charge relay, and the charging relay can be detected. In the process, each relay can be simulated by a jumper. It should be noted that in the present application, the internal structure of the relay 15 can be adjusted according to the structure required to detect different objects 11 to be tested.
在本申请实施例中，可以根据被检测体11接收到继电器15的不同的信号后能否进行处理，来判断被检测体11的功能是否可以正常工作。In the embodiment of the present application, whether the function of the subject 11 can be normally operated can be determined based on whether the subject 11 receives a different signal from the relay 15 and can perform processing.
信号生成件12可以用于对电源13的供电进行控制，以及对信号转接件14、继电器15进行控制，并且使用信号生成件12还可以模拟通讯内容并与其它部件进行通讯，例如，在一个具体的实现过程中，信号生成件12可以是由电路板和软件组成，电路板用于连接信号转接件14等部件，软件用来模拟与其它部件进行通讯的通讯内容，其中，软件部分既可以与计算机进行连接，由用户进行相应的检测流程控制，也可以在软件部分中预存程序，由软件部件自行完成整个检测过程。The signal generating component 12 can be used to control the power supply of the power source 13, and control the signal adapter 14, the relay 15, and the signal generating component 12 can also simulate the communication content and communicate with other components, for example, in one In a specific implementation process, the signal generating component 12 may be composed of a circuit board and a software. The circuit board is used to connect components such as the signal adapter 14 , and the software is used to simulate communication content communicated with other components, wherein the software component is It can be connected to a computer, and the user can perform corresponding detection process control. The program can also be pre-stored in the software part, and the software component can complete the whole detection process by itself.
在本使用新型实施例中，信号生成件12与信号转接件14连接，信号生成件12可以包括输入输出端口，信号转接件14可以包括信号输出端与信号输入端，即，信号生成件12可以通过输入输出端口与信号转接件14的信号输入端通信连接。信号生成件12可以通过通信连接的相应接口向信号输入端发送报文；或者，信号生成件12通过所述通信连接的相应接口接收所述信号输入端发送的报文。In the novel embodiment, the signal generating component 12 is coupled to the signal adapter 14 and the signal generating component 12 can include an input and output port. The signal adapter 14 can include a signal output terminal and a signal input terminal, that is, a signal generating component. 12 can be communicatively coupled to the signal input of the signal adapter 14 via an input and output port. The signal generating component 12 can transmit a message to the signal input terminal through a corresponding interface of the communication connection; or the signal generating component 12 receives the message sent by the signal input terminal through a corresponding interface of the communication connection.
被检测体11在与信号转接件14连接的过程中，信号输出端与被检测体11通信连接，信号输出端通过通信连接的相应接口向被检测体11发送报文；信号输入端与被检测体通信连接，被检测体11通过通信连接的相应接口向信号输入端发送报文。In the process of connecting the detected object 11 to the signal adapter 14, the signal output end is communicatively connected with the detected object 11, and the signal output end sends a message to the detected object 11 through the corresponding interface of the communication connection; the signal input end is The body communication connection is detected, and the object 11 transmits a message to the signal input terminal through a corresponding interface of the communication connection.
在一个具体的实现过程中，信号转接件14可以由控制板、信号转接器、插座、开关、保险丝、发光二极管灯和导线等组成。其中，在信号转接件14的内部，控制板与信号转接器连接，控制板与开关连接，在本申请实施例中， 可以利用导线来进行连接。In a specific implementation, the signal adapter 14 can be composed of a control board, a signal adapter, a socket, a switch, a fuse, a light-emitting diode lamp, and a wire. The control board is connected to the signal adapter, and the control board is connected to the switch. In the embodiment of the present application, Wires can be used for the connection.
信号转接件14在与外部连接时，通过信号转接器与信号生成件12连接，信号转接器与被检测体11连接。The signal adapter 14 is connected to the signal generating member 12 via a signal adapter when connected to the outside, and the signal adapter is connected to the subject 11.
其中，优选地，信号转接器为D型数据接口连接器。Wherein, preferably, the signal adapter is a D-type data interface connector.
在本申请实施例中，并不限制于信号转接件14的具体结构以及连接方式，其可以根据检测不同的被检测体11所需要的结构而调整。In the embodiment of the present application, the specific structure and connection manner of the signal adapter 14 are not limited, and may be adjusted according to the structure required for detecting different objects 11 to be tested.
信号转接件14的信号输出端与继电器15通信连接，使得信号输出端通过通信连接的相应接口向继电器15发送驱动信号。The signal output of signal adapter 14 is communicatively coupled to relay 15 such that the signal output transmits a drive signal to relay 15 via a corresponding interface of the communication connection.
电容16与继电器15连接，可以包括电容、电阻和导线，用于模拟检测所需要的电容。例如，在一个具体的实现过程中，可以是模拟以电能作为动力的汽车的整车电容。 Capacitor 16 is coupled to relay 15 and may include capacitors, resistors, and wires for simulating the capacitance required for detection. For example, in a specific implementation process, it may be a vehicle capacitance that simulates a vehicle powered by electric energy.
需要说明的是，在本申请实施例中，被检测体11自身在工作过程中是需要电能的，在一个具体的实现过程中，当被检测体11为电池管理单元的时候，由于电池管理单元的作用是监测电池的状态，并根据电池的状态进行相应的操作，所以，还需要对电池管理单元所管理的电池进行模拟。It should be noted that, in the embodiment of the present application, the detected object 11 itself needs electric energy during the working process. In a specific implementation process, when the detected object 11 is a battery management unit, due to the battery management unit The function is to monitor the state of the battery and perform corresponding operations according to the state of the battery. Therefore, it is also necessary to simulate the battery managed by the battery management unit.
因此，在本申请中，电源13包括：低压输出端131与高压输出端132；Therefore, in the present application, the power source 13 includes: a low voltage output terminal 131 and a high voltage output terminal 132;
低压输出端131与信号转接件连接；The low voltage output terminal 131 is connected to the signal adapter;
高压输出端132与继电器连接。The high voltage output 132 is connected to a relay.
由于被检测体自身工作时所需要的电压较低，因此可以使用低压输出端131为被检测体11提供低压。由于电池管理单元所检测的电池通常电压较高，因此可以使用高压输出端132为被检测体11提供高压，既可以理解为使用高压输出端132来模拟电池的电压。Since the voltage required for the subject itself to operate is low, the low-pressure output terminal 131 can be used to provide a low voltage to the subject 11. Since the battery detected by the battery management unit is generally high in voltage, the high voltage output terminal 132 can be used to provide high voltage to the object to be tested 11, which can be understood as the use of the high voltage output terminal 132 to simulate the voltage of the battery.
本申请实施例提供的检测电路，通过信号生成件12来控制电源13的供电，以及对信号转接件14、继电器15的控制，进而通过电源13、信号转接件14、继电器15、电容16来模拟被检测体11所在的环境，检测被检测体11的功能是否可以正常运行，实现了通过信号生成件12来控制其他组件之间的连接状态，避免了用户手动进行操作，使得操作更加的便捷，提高了检测效率。The detection circuit provided by the embodiment of the present application controls the power supply of the power source 13 and the control of the signal adapter 14 and the relay 15 through the signal generating component 12, and further passes through the power source 13, the signal adapter 14, the relay 15, and the capacitor 16. To simulate the environment in which the detected object 11 is located, and to detect whether the function of the detected object 11 can be normally operated, the signal generating component 12 is controlled to control the connection state between other components, thereby avoiding manual operation by the user, so that the operation is more Convenient and improved detection efficiency.
为了能够更好的说明，本申请的检测电路中的检测过程，在本申请实施 例中，列举两个具体实现场景进行说明。In order to be better explained, the detection process in the detection circuit of the present application is implemented in the present application. In the example, two specific implementation scenarios are described.
场景一scene one
被检测体11使用电池管理单元，用来模拟以电能作为动力的汽车的环境，电源13的低压输出端131输出用于为电池管理单元提供电能的低压，电源13的高压输出端132输出用于模拟整车电池的高压，继电器15模拟整车使用的继电器，电容16模拟整车电容，信号生成件12的软件部分连接计算机。The object to be tested 11 uses a battery management unit for simulating the environment of a vehicle powered by electric energy. The low-voltage output 131 of the power source 13 outputs a low voltage for supplying power to the battery management unit, and the high-voltage output 132 of the power source 13 is output for Simulating the high voltage of the vehicle battery, the relay 15 simulates the relay used in the whole vehicle, the capacitor 16 simulates the whole vehicle capacitance, and the software part of the signal generating part 12 is connected to the computer.
在本场景中，主要模拟为电池管理单元进行供电的过程。具体地，在信号生成件12的软件部分连接的计算机上定义一个电源控制信号，用于控制低压输出端131开关的闭合与断开。当信号值为1时，表示低压输出端131的开关闭合，当信号值为0时，表示低压输出端131的开关断开。In this scenario, the main simulation is the process of powering the battery management unit. Specifically, a power control signal is defined on the computer to which the software portion of the signal generating unit 12 is connected for controlling the closing and opening of the switch of the low voltage output terminal 131. When the signal value is 1, it means that the switch of the low voltage output terminal 131 is closed, and when the signal value is 0, it means that the switch of the low voltage output terminal 131 is open.
然后通过信号生成件12的电源控制信号值为1的报文给信号转接件14，信号转接件14接收到报文后，将信号转接件14内的控制低压输出端131的开关闭合，接通低压输出端131，低压输出端131输出电压给电池管理单元，在计算机中查看电池管理单元在接通电源后，是否开始工作。Then, the signal of the power control signal value of the signal generating component 12 is given to the signal adapter 14. After receiving the message, the signal adapter 14 closes the switch of the low voltage output 131 of the signal adapter 14. The low-voltage output terminal 131 is turned on, and the low-voltage output terminal 131 outputs a voltage to the battery management unit, and in the computer, it is checked whether the battery management unit starts to work after the power is turned on.
场景二Scene two
被检测体11使用电池管理单元，用来模拟以电能作为动力的汽车的环境，电源13的低压输出端131输出用于为电池管理单元提供电能的低压，电源13的高压输出端132输出用于模拟整车电池的高压，继电器15模拟整车使用的继电器，电容16模拟整车电容，信号生成件12的软件部分连接计算机。The object to be tested 11 uses a battery management unit for simulating the environment of a vehicle powered by electric energy. The low-voltage output 131 of the power source 13 outputs a low voltage for supplying power to the battery management unit, and the high-voltage output 132 of the power source 13 is output for Simulating the high voltage of the vehicle battery, the relay 15 simulates the relay used in the whole vehicle, the capacitor 16 simulates the whole vehicle capacitance, and the software part of the signal generating part 12 is connected to the computer.
在本场景中，主要模拟为整车进行供电的过程。电压13的高压输出端132与继电器15连接，继电器15与电池管理单元连接，在信号生成件12的软件部分连接的计算机上定义一个继电器闭合控制信号，该继电器闭合控制信号的报文由信号生成件12发送至信号转接件14上，由信号转接件14输出到电池管理单元上。In this scenario, the main simulation is the process of supplying power to the entire vehicle. The high voltage output terminal 132 of the voltage 13 is connected to the relay 15, and the relay 15 is connected to the battery management unit. A relay closing control signal is defined on the computer connected to the software portion of the signal generating unit 12, and the message of the relay closing control signal is generated by the signal. The device 12 is sent to the signal adapter 14 and output by the signal adapter 14 to the battery management unit.
然后，电池管理单元在接收到该报文后，向信号转接件14发送控制继电器的电平信号，其中，电平信号中高电平信号代表继电器闭合，低电平信号代表继电器断开。Then, after receiving the message, the battery management unit sends a level signal of the control relay to the signal adapter 14, wherein the level signal has a high level signal indicating that the relay is closed and a low level signal indicating that the relay is off.
信号转接件14接收到电平信号后，向继电器15发送电平信号，继电器15根据该电平信号进行相应的操作，由信号生成件12监测继电器15的电平信号结果。当信号生成件12监测继电器15的电平信号结果为高电平信号， 则继电器15正常闭合，代表电池管理***控制继电器15闭合的功能正常，当信号生成件12监测继电器15的电平信号结果为低电平信号，则继电器15没有闭合，代表电池管理***控制继电器15闭合的功能存在异常。After receiving the level signal, the signal adapter 14 transmits a level signal to the relay 15, and the relay 15 performs a corresponding operation based on the level signal, and the signal generator 12 monitors the level signal result of the relay 15. When the signal generating component 12 monitors the level signal of the relay 15 as a high level signal, Then, the relay 15 is normally closed, and the function of the battery management system control relay 15 is normally closed. When the signal generating component 12 monitors the level signal of the relay 15 as a low level signal, the relay 15 is not closed, and represents the battery management system control relay 15 There is an abnormality in the closed function.
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。 Finally, it should be noted that the above embodiments are only for explaining the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present application. range.

Claims (10)

  1. 一种检测电路，其特征在于，包括：被检测体、信号生成件、电源、信号转接件、继电器、电容；A detecting circuit, comprising: a detected object, a signal generating component, a power source, a signal adapter, a relay, and a capacitor;
    所述被检测体分别与所述信号转接件、所述继电器连接；The detected object is respectively connected to the signal adapter and the relay;
    所述信号转接件分别与所述电源、所述信号生成件、所述继电器连接；The signal adapter is respectively connected to the power source, the signal generating component, and the relay;
    所述电容与所述继电器连接；The capacitor is connected to the relay;
    所述信号生成件包括输入输出端口以及电路板，所述电路板与所述信号生成件通过所述输入输出端口连接。The signal generating component includes an input and output port and a circuit board, and the circuit board is connected to the signal generating component through the input and output port.
  2. 根据权利要求1所述的电路，其特征在于，所述电源包括：低压输出端与高压输出端；The circuit of claim 1 wherein said power source comprises: a low voltage output and a high voltage output;
    所述低压输出端与所述信号转接件连接；The low voltage output is connected to the signal adapter;
    所述高压输出端与所述继电器连接。The high voltage output is coupled to the relay.
  3. 根据权利要求1所述的电路，其特征在于，所述信号转接件包括：信号输出端与信号输入端；The circuit of claim 1 wherein said signal adapter comprises: a signal output and a signal input;
    所述信号输入端与所述信号生成件通信连接；The signal input end is communicatively coupled to the signal generating component;
    所述信号输出端与所述继电器通信连接。The signal output is communicatively coupled to the relay.
  4. 根据权利要求3所述的电路，其特征在于，所述信号生成件通过所述通信连接的相应接口向所述信号输入端发送报文；或者The circuit of claim 3 wherein said signal generating means transmits a message to said signal input via a respective interface of said communication connection; or
    所述信号生成件通过所述通信连接的相应接口接收所述信号输入端发送的报文。The signal generating component receives the message sent by the signal input end through a corresponding interface of the communication connection.
  5. 根据权利要求3所述的电路，其特征在于，所述信号输出端通过所述通信连接的相应接口向所述继电器发送驱动信号。The circuit of claim 3 wherein said signal output transmits a drive signal to said relay via a respective interface of said communication connection.
  6. 根据权利要求3所述的电路，其特征在于，The circuit of claim 3 wherein:
    所述信号输出端与所述被检测体通信连接；The signal output end is communicatively connected to the detected object;
    所述信号输入端与所述被检测体通信连接。The signal input end is communicatively coupled to the object to be detected.
  7. 根据权利要求6所述的电路，其特征在于，The circuit of claim 6 wherein:
    所述信号输出端通过所述通信连接的相应接口向所述被检测体发送报文；The signal output end sends a message to the detected object through a corresponding interface of the communication connection;
    所述被检测体通过所述通信连接的相应接口向所述信号输入端发送报文。 The detected object sends a message to the signal input end through a corresponding interface of the communication connection.
  8. 根据权利要求1至7中任一项所述的电路，其特征在于，所述被检测体为电池管理单元。The circuit according to any one of claims 1 to 7, wherein the object to be detected is a battery management unit.
  9. 根据权利要求1至7中任一项所述的电路，其特征在于，所述信号转接件包括：控制板、信号转接器以及开关；The circuit according to any one of claims 1 to 7, wherein the signal adapter comprises: a control board, a signal switch, and a switch;
    所述控制板与所述信号转接器连接；The control board is connected to the signal adapter;
    所述控制板与所述开关连接；The control board is connected to the switch;
    所述信号转接器与所述信号生成件连接；The signal adapter is connected to the signal generating component;
    所述信号转接器与所述被检测体连接。The signal adapter is connected to the object to be detected.
  10. 根据权利要求9所述的电路，其特征在于，所述信号转接器为D型数据接口连接器。 The circuit of claim 9 wherein said signal adapter is a D-type data interface connector.
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CN104483645A (en) * 2014-12-18 2015-04-01 重庆长安汽车股份有限公司 Detection device for battery management system
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