CN201084263Y - A test circuit of electromobile charging cabinet - Google Patents
A test circuit of electromobile charging cabinet Download PDFInfo
- Publication number
- CN201084263Y CN201084263Y CNU2007201219327U CN200720121932U CN201084263Y CN 201084263 Y CN201084263 Y CN 201084263Y CN U2007201219327 U CNU2007201219327 U CN U2007201219327U CN 200720121932 U CN200720121932 U CN 200720121932U CN 201084263 Y CN201084263 Y CN 201084263Y
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- module
- interface
- main control
- area network
- control module
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Abstract
The utility model discloses a test circuit for the charger of an electric vehicle, comprising a main control module, a keyboard controller used for receiving keyboard command, a display module used for displaying data, a bus interface module of the controller area network used for the connection with the bus of the controller area network of the charger, and an interface detection module used for testing the interface of the charger. The utility model is characterized in that: the output of the keyboard module is connected with the main control module, while the output of the main control module is connected with the display module; the interface detection module which comprises an input interface is connected with the main control module; and the main control module is dual-way connected with the bus interface module of the controller area network. The main control module collects and processes data of the charger through the bus interface module of the controller area network, and displays the processing results through the display module, thereby the state of the charge can be known; and the main control module can detect whether the state of the interface is normal through the interface detection module.
Description
Technical field
The utility model is the circuit of the electric motor car charging cabinet being tested about a kind of.
Background technology
The electric motor car charging cabinet is to be used for charging to electric motor car, its each charge function module communicates by controller local area network (CAN) bus, after long-term the use, the hardware circuit of each module of charging cabinet can wear out and break down, but, now not to wear out device with fault detect of charging cabinet.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the deficiencies in the prior art, and a kind of test circuit that can detect the electric motor car charging cabinet is provided.
The technical solution adopted for the present invention to solve the technical problems is: the test circuit of this electric motor car charging cabinet comprises main control module, be used to accept the Keysheet module of keyboard commands, the display module that is used for video data, be used for Controller Area Network BUS interface module that is connected with the Controller Area Network BUS of charging cabinet and the interface detection module that is used to test the charging cabinet interface, the output terminal of this Keysheet module is connected with main control module, the output terminal of this main control module is connected with display module, this interface detection module has input interface, this interface detection module is connected with main control module, and this main control module is connected with the Controller Area Network BUS interface module is two-way.
Described Controller Area Network BUS interface module comprises Controller Area Network BUS interface, Controller Area Network BUS transceiver and the photo-coupler that connects in turn, and this photo-coupler is connected with main control module.
Each pin of the input interface of described interface detection module all connects light emitting diode.
The invention has the beneficial effects as follows, this test circuit can the analog electrical motor-car charging process, it is gathered the data of charging cabinet by the Controller Area Network BUS interface module and handles by main control module, and result shown by display module, thereby can learn the state of charging cabinet; Whether the interface that can detect charging cabinet by interface detection module is normal.
Description of drawings
Fig. 1 is the structured flowchart of the test circuit of present embodiment electric motor car charging cabinet;
Fig. 2 is the circuit theory diagrams of the power supply of present embodiment;
Fig. 3 is the main control module of present embodiment and the circuit theory diagrams of display module;
Fig. 4 is the circuit theory diagrams of the Controller Area Network BUS interface module of present embodiment;
Fig. 5 is the circuit theory diagrams of the Keysheet module of present embodiment;
Fig. 6 is the circuit theory diagrams of the interface detection module of present embodiment.
Embodiment
As shown in Figure 1, the test circuit of present embodiment electric motor car charging cabinet is used for the battery management module of analog electrical motor-car, and it realizes the test to charging cabinet by communicating by letter with charging cabinet.This test circuit is powered by power supply, it comprises main control module, display module, controller local area network (being CAN) bus interface module, Keysheet module and interface detection module, the output terminal of this Keysheet module is connected with main control module, the output terminal of this main control module connects display module, this interface detection module is connected with main control module, and this Controller Area Network BUS interface module is connected with main control module.This display module is used for video data, this Keysheet module is used to accept the keyboard commands of user's input, this Controller Area Network BUS interface module is used to realize communicating by letter between the Controller Area Network BUS of main control module and charging cabinet, the interface that this interface detection module is used for charging cabinet carries out fault detect and carries out the result showing, this main control module is used to collection, the processing coordinating, control each module and carry out data.This Controller Area Network BUS interface module comprises Controller Area Network BUS transceiver and connected photo-coupler, and this photo-coupler is connected with main control module.This display module such as LCD display module.
The circuit of this power supply as shown in Figure 2.The circuit of this main control module and display module as shown in Figure 3.The circuit diagram of this Controller Area Network BUS interface module as shown in Figure 4, this Controller Area Network BUS interface module comprises Controller Area Network BUS interface JP1, Controller Area Network BUS transceiver U13 and two photo-coupler U11, U12, this transceiver U13 is connected with photo-coupler U11, U12, port RX, the TX of this photo-coupler U11, U12 is connected with the pin two 4,23 of main control module U0 respectively, as shown in Figure 3.The circuit of this Keysheet module as shown in Figure 5, it scans keyboard state by keyboard chip U22, U23, keyboard signal imports main control module U0 into by keyboard chip U22, this Keysheet module has button S1～S16.The circuit of this interface detection module as shown in Figure 6, it has and is used for the input interface JP3 that pegs graft and cooperates with the interface of each charge management module of charging cabinet, each pin of this input interface JP3 all is connected with the light emitting diode DS1～DS27 of correspondence.The controller local area network of electric motor car charging cabinet (CAN) bus is connected with Controller Area Network BUS transceiver U13 by connector JP1, through photo-coupler U11, U12, the data acquisition of electric motor car charging cabinet to main control module U0, is handled by main control module.Each Interface status of electric motor car charging cabinet is then shown by light emitting diode DS1～DS27.
The data that can select by keyboard have the alerting signal of the current total current of the current total voltage of electric battery, electric battery, battery management module and emergency alarm, charging inhibit signal and charging to allow the current capacity of signal, electric battery, the health index of electric battery, the maximum temperature of electric battery, minimum single battery voltage, the highest single battery voltage; By keyboard commands, can add and subtract adjusting to above data value, test according to different requirements; By keyboard commands, can read charging cabinet when prior fault, historical failure and user's record of charging and on lcd screen, show.By regulating parameter, can detect unusual that charging cabinet charging module control loop exists, and whether each interface of detection charging cabinet is normal, and comes out by diode displaying.
Present embodiment adopts keyboard chip and LCD display module, simplified peripheral circuit greatly, the external interface of this test circuit and charging electric vehicle cabinet has two, and one is the Controller Area Network BUS interface, and another one is the input interface of interface detection module.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. the test circuit of an electric motor car charging cabinet, it is characterized in that: comprise main control module, be used to accept the Keysheet module of keyboard commands, the display module that is used for video data, be used for Controller Area Network BUS interface module that is connected with the Controller Area Network BUS of charging cabinet and the interface detection module that is used to test the charging cabinet interface, the output terminal of this Keysheet module is connected with main control module, the output terminal of this main control module is connected with display module, this interface detection module has input interface, this interface detection module is connected with main control module, and this main control module is connected with the Controller Area Network BUS interface module is two-way.
2. the test circuit of electric motor car charging cabinet according to claim 1, it is characterized in that: described Controller Area Network BUS interface module comprises Controller Area Network BUS interface, Controller Area Network BUS transceiver and the photo-coupler that connects in turn, and this photo-coupler is connected with main control module.
3. the test circuit of electric motor car charging cabinet according to claim 1 and 2 is characterized in that: each pin of the input interface of described interface detection module all connects light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219327U CN201084263Y (en) | 2007-08-01 | 2007-08-01 | A test circuit of electromobile charging cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219327U CN201084263Y (en) | 2007-08-01 | 2007-08-01 | A test circuit of electromobile charging cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201084263Y true CN201084263Y (en) | 2008-07-09 |
Family
ID=39626735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201219327U Expired - Lifetime CN201084263Y (en) | 2007-08-01 | 2007-08-01 | A test circuit of electromobile charging cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201084263Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004200A (en) * | 2010-10-26 | 2011-04-06 | 深圳市科陆电子科技股份有限公司 | Vehicle-mounted filed test device and method of alternating current charging pile |
| CN102043106A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Direct current charging pile field detection system and method |
| CN102043105A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Full-function test device and test method of AC (alternating current) charging pile |
-
2007
- 2007-08-01 CN CNU2007201219327U patent/CN201084263Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004200A (en) * | 2010-10-26 | 2011-04-06 | 深圳市科陆电子科技股份有限公司 | Vehicle-mounted filed test device and method of alternating current charging pile |
| CN102043106A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Direct current charging pile field detection system and method |
| CN102043105A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Full-function test device and test method of AC (alternating current) charging pile |
| CN102043106B (en) * | 2010-10-26 | 2014-01-29 | 深圳市科陆电子科技股份有限公司 | Detection method ofdirect current charging pile field detection system |
| CN102043105B (en) * | 2010-10-26 | 2014-09-03 | 深圳市科陆电子科技股份有限公司 | Full-function test device and test method of AC (alternating current) charging pile |
| CN102004200B (en) * | 2010-10-26 | 2014-10-15 | 深圳市科陆电子科技股份有限公司 | Vehicle-mounted filed test device and method of alternating current charging pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |