CN213689875U - Testing device for simulating open circuit or broken circuit of battery - Google Patents
Testing device for simulating open circuit or broken circuit of battery Download PDFInfo
- Publication number
- CN213689875U CN213689875U CN202021878908.XU CN202021878908U CN213689875U CN 213689875 U CN213689875 U CN 213689875U CN 202021878908 U CN202021878908 U CN 202021878908U CN 213689875 U CN213689875 U CN 213689875U
- Authority
- CN
- China
- Prior art keywords
- electronic switch
- battery
- tested
- open circuit
- open
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the application provides a testing device for simulating open circuit or broken circuit of a battery, which comprises a battery to be tested, a first electronic switch, a second electronic switch and a safety device, wherein the first electronic switch, the second electronic switch and the safety device are connected with the battery to be tested; the main control unit is used for controlling the working states of the first electronic switch and the second electronic switch to be switched according to the state of the battery to be tested according to the instruction of the upper computer, and the communication module is used for sending state information to the upper computer according to the obtained working states of the first electronic switch and the second electronic switch; the device also comprises a power supply device for supplying power to each element in the testing device. The battery management system can simulate the open circuit and open circuit of the battery in the real environment by combining with a real normal storage battery pack, and can make the battery management system with complex functions perform comprehensive test.
Description
Technical Field
The utility model belongs to electric power detects the instrument field, especially relates to a testing arrangement that is used for simulating battery open circuit or opens circuit.
Background
Storage batteries are largely used as backup power supply systems in electric power substations, communication machine room base stations, data centers and the like. At present, a battery management system is basically adopted to manage the storage battery, but the battery management system needs to be subjected to various tests in the development process. Under the condition that the battery management system with simpler functions only comprises voltage, current and other data acquisition, the battery management system can be tested by using a simple environment, such as analog voltage, analog current and the like. When the battery management system with complex functions is tested, such as internal resistance testing, capacity maintenance and other functions, a real storage battery pack is required to be used for testing; however, because the real storage battery pack has high cost and complex construction, the open circuit and the open circuit of the battery in the real environment can not be simulated under common conditions, so that the battery management system with complex functions can not be used for coverage test.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects and shortcomings existing in the prior art, the utility model provides a testing device for simulating the open circuit or the closed circuit of a battery, which can switch different testing states according to requirements to complete the testing work of the battery under different states,
specifically, the test device for simulating open circuit or disconnection of the battery comprises:
the battery to be tested is connected with the first electronic switch, the second electronic switch and the safety device of the battery to be tested;
the main control unit is used for controlling the working states of the first electronic switch and the second electronic switch to be switched according to the state of the battery to be tested according to the instruction of the upper computer, and the communication module is used for sending state information to the upper computer according to the obtained working states of the first electronic switch and the second electronic switch;
the device also comprises a power supply device for supplying power to each element in the testing device.
Optionally, the electronic switch adopts a contactor with feedback, and the safety device adopts a circuit breaker with feedback;
wherein the electronic switch is the EVR50A-24B in model.
Optionally, the testing apparatus further includes:
when the battery to be tested is in an open circuit state, the first electronic switch is controlled to be switched off, and the second electronic switch is controlled to be switched on.
Optionally, the testing apparatus further includes:
when the battery to be tested is in the open circuit state, the first electronic switch is controlled to be switched off, and the second electronic switch is controlled to be switched off.
Optionally, the testing apparatus further includes:
when the battery to be tested is in an open circuit state, the first electronic switch is controlled to be closed, and the second electronic switch is controlled to be opened.
The utility model provides a beneficial effect that technical scheme brought is:
the battery management system can simulate the open circuit and open circuit of the battery in the real environment by combining with a real normal storage battery pack, and can make the battery management system with complex functions perform comprehensive test.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a simulated battery open-circuit or open-circuit testing device according to an embodiment of the present application;
fig. 2 is a schematic diagram of a connection structure of three batteries as an example of a simulated battery open circuit or disconnection testing device according to an embodiment of the present application;
FIG. 3 is an indicator light of a simulated battery open circuit or disconnection testing device according to an embodiment of the present application;
fig. 4 is a schematic diagram illustrating simulation states of the device for simulating battery open circuit or disconnection according to the embodiment of the present application.
Detailed Description
In order to make the structure and advantages of the present invention clearer, the structure of the present invention will be further described with reference to the accompanying drawings.
Example one
The embodiment of the present application provides a testing apparatus for simulating open circuit or disconnection of a battery, as shown in fig. 1, the testing apparatus includes:
the battery to be tested is connected with the first electronic switch, the second electronic switch and the safety device of the battery to be tested;
the main control unit is used for controlling the working states of the first electronic switch and the second electronic switch to be switched according to the state of the battery to be tested according to the instruction of the upper computer, and the communication module is used for sending state information to the upper computer according to the obtained working states of the first electronic switch and the second electronic switch;
the device also comprises a power supply device for supplying power to each element in the testing device.
In implementation, fig. 1 is a conceptual diagram of a design of a device for simulating open circuit or disconnection test of a battery. The device comprises a power supply module for ensuring normal work of the device, a communication module for sending state information to an upper computer (a background computer) and a main control unit for controlling a first electronic switch and a second electronic switch. The upper computer sends out a test instruction, and the main control unit controls the first electronic switch and the second electronic switch to simulate the normal working state, the open circuit state and the open circuit state of the switches according to the instruction. In the figure 1, one end of a first electronic switch and one end of a second electronic switch are connected with a total negative B-of the storage battery, the other end of the first electronic switch is connected with a first storage battery B1-, the other end of the second electronic switch of the electronic switch is connected with a safety device F1, and the other end of a safety device F1 is connected with a storage battery B1+ and a storage battery B2-.
Fig. 2 is an example of a three-cell battery pack, showing a method for connecting a test device for simulating open circuit or disconnection of a cell. K11 and K12 are matched to simulate the open circuit and disconnection states of the first battery; k21 and K22 are matched to simulate the open circuit and disconnection states of the second battery; k31 and K32 are matched to simulate the open circuit and disconnection state of the third battery. If there are n batteries, then Kn1, Kn2 are also present accordingly. If the main control unit controls K21 and K22 to simulate the open circuit of the second storage battery (B2), the tested device can detect that the second storage battery is in an open circuit state, and the battery state detection function of the tested device can be considered to be good. At this time, the first electronic switch comprises K11, K21 and K31, and the second electronic switch comprises K12, K22 and K32.
One ends of electronic switches K21 and K22 are connected with a storage battery B1+, the other end of the electronic switches K22 is connected with a storage battery B2-, the other end of the electronic switches K22 is connected with a safety device F2, and the other end of the safety device F2 is connected with a storage battery B2+ and a storage battery B3-; one ends of electronic switches K31 and K32 are connected with a storage battery B2+, the other end of the electronic switches K32 is connected with a storage battery B3-, the other end of the electronic switches K32 is connected with a safety device F3, and the other end of the safety device F3 is connected with a storage battery B3+ and a storage battery total positive B +; the left ends of the electronic switches K11, K21 and K31 and the right ends of the safety devices F1, F2 and F3 are led out to form positive and negative electrode posts which are connected with the tested equipment. And a connecting terminal is led out from the left side of the K11 and the right side of the F1 and used for connecting the tested device.
Optionally, the electronic switch adopts a contactor with feedback, and the safety device adopts a circuit breaker with feedback; wherein the electronic switch is the EVR50A-24B in model.
In practice, band feedback here means in particular how the current state of the corresponding element can be returned. To embody the feasibility of the device, the electronic switch model: EVR 50A-24B; the MCU model is S9KEAZ128 AMLK; the communication module, namely the CAN model is TJA 1051.
Optionally, the testing apparatus further includes:
when the battery to be tested is in an open circuit state, the first electronic switch is controlled to be switched off, and the second electronic switch is controlled to be switched on.
When the battery to be tested is in the open circuit state, the first electronic switch is controlled to be switched off, and the second electronic switch is controlled to be switched off.
When the battery to be tested is in an open circuit state, the first electronic switch is controlled to be closed, and the second electronic switch is controlled to be opened.
In implementation, in order to facilitate the operation of the testing device, the present embodiment proposes a user operation interface as shown in fig. 3, which includes three control buttons of normal, open, and corresponding status indicator lights. After the open-circuit button is pressed, the main control unit can randomly select (or program operation randomly extracts) the open-circuit state of a certain storage battery simulator, and the corresponding open-circuit state indicator lamp is turned on.
Firstly, if the default storage battery pack is normal or when the storage battery pack needs to be normal (a normal key is pressed), K11 is closed, K12 is opened, the normal indicator light is green, when feedback signals of K11 and K12 are abnormal, the normal indicator light is yellow, and when the storage battery pack is in an open circuit or an open circuit, the normal indicator light is not bright.
When the storage battery pack needs to be opened (an open key is pressed), the K11 is turned off, the K12 is turned on, the open indicator light is green, when feedback signals of the K11 and the K12 are abnormal, the open indicator light is yellow, and when the feedback signals are normal or in an open circuit condition, the open indicator light is not on.
When the storage battery pack needs to be disconnected (the disconnection key is pressed), the K11 is disconnected, the K12 is disconnected, the disconnection indicator lamp is green, when feedback signals of the K11 and the K12 are abnormal, the disconnection indicator lamp is yellow, and when the feedback signals are normal or in an open circuit condition, the disconnection indicator lamp is not on.
When the feedback of the insurance (F1, F2 and F3) is abnormal, the three indicator lamps are all yellow. The first electronic switch now comprises K11 and the second electronic switch comprises K12.
Fig. 4 illustrates a case of an electronic switch specifically simulating the open and closed states by taking the first battery (B1) as an example, so that no other switch is present. The simulation of K11 disconnection and K12 disconnection is that the battery is open, the simulation of K11 and K12 disconnection is that the battery is open, and the simulation of K11 disconnection and K12 disconnection is that the battery is in a normal working state. The method of matching Kn1 and Kn2 to other batteries is the same as that of K11 and K12.
The sequence numbers in the above embodiments are merely for description, and do not represent the sequence of the assembly or the use of the components.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A test device for simulating open or shut-down of a battery, the test device comprising:
the battery to be tested is connected with the first electronic switch, the second electronic switch and the safety device of the battery to be tested;
the main control unit is used for controlling the working states of the first electronic switch and the second electronic switch to be switched according to the state of the battery to be tested according to the instruction of the upper computer, and the communication module is used for sending state information to the upper computer according to the obtained working states of the first electronic switch and the second electronic switch;
the device also comprises a power supply device for supplying power to each element in the testing device.
2. The test device of claim 1, wherein the electronic switch is a contactor with feedback, and the safety device is a breaker with feedback;
wherein the electronic switch is the EVR50A-24B in model.
3. The test device for simulating battery open or shut according to claim 1, further comprising:
when the battery to be tested is in an open circuit state, the first electronic switch is controlled to be switched off, and the second electronic switch is controlled to be switched on.
4. The test device for simulating battery open or shut according to claim 1, further comprising:
when the battery to be tested is in the open circuit state, the first electronic switch is controlled to be switched off, and the second electronic switch is controlled to be switched off.
5. The test device for simulating battery open or shut according to claim 1, further comprising:
when the battery to be tested is in an open circuit state, the first electronic switch is controlled to be closed, and the second electronic switch is controlled to be opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878908.XU CN213689875U (en) | 2020-09-01 | 2020-09-01 | Testing device for simulating open circuit or broken circuit of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878908.XU CN213689875U (en) | 2020-09-01 | 2020-09-01 | Testing device for simulating open circuit or broken circuit of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213689875U true CN213689875U (en) | 2021-07-13 |
Family
ID=76745939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021878908.XU Active CN213689875U (en) | 2020-09-01 | 2020-09-01 | Testing device for simulating open circuit or broken circuit of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213689875U (en) |
-
2020
- 2020-09-01 CN CN202021878908.XU patent/CN213689875U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201348654Y (en) | Lithium battery protective circuit board tester | |
| CN111398861B (en) | 2M cable fault detection circuit | |
| CN107450019A (en) | Handcart type breaker low-voltage motion test instrument | |
| CN114355074A (en) | Testing device and testing method of converter valve system | |
| CN213689875U (en) | Testing device for simulating open circuit or broken circuit of battery | |
| CN108447360A (en) | A kind of three-phase three-wire electric energy meter device for simulating false wiring | |
| CN204613737U (en) | Switch analogue means | |
| CN218727677U (en) | Nuclear power station nuclear island low-voltage alternating-current distribution board test device | |
| CN111025175B (en) | Automatic joint test method for primary power subsystem of high-orbit communication satellite | |
| CN113671300A (en) | Batch test system and test method for relay protection devices | |
| CN113702732A (en) | Portable direct current charging pile fault testing system and detection method thereof | |
| CN209640434U (en) | A kind of equipment for the vehicle-mounted school VOBC line | |
| CN221124781U (en) | Chip testing device | |
| CN210534220U (en) | Auxiliary working voltage testing device | |
| CN215641726U (en) | Simple test tool for battery management system | |
| CN218917552U (en) | Energy storage electric cabinet fault detection control box | |
| CN112053870B (en) | Time detection system, device and method for time relay of medium voltage distribution board | |
| CN115327284B (en) | Standardized looped network box multifunctional test tool and use method thereof | |
| CN218848248U (en) | Be suitable for testing arrangement of looped netowrk cabinet secondary module | |
| CN109188295A (en) | Battery cell failure simulator | |
| CN213581209U (en) | Intelligent power distribution terminal test system | |
| CN220961727U (en) | Working condition simulation test device based on electronic and electric products | |
| CN204271735U (en) | Power transfer device and power-supply device | |
| CN215599272U (en) | 10kV spare power automatic switching device test platform | |
| CN213517932U (en) | Working mode switching device of valve control equipment of direct-current transmission converter valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |