A kind of charging equipment detection system that is applied to the scene
Technical field
The utility model relates to a kind of detection system, is specifically related to a kind of on-the-spot charging equipment detection system that is applied to.Belong to electric automobile and fill the electric Equipment Inspection field of changing.
Background technology
The continuous intensification of global energy crisis, petroleum resources are exhausted day by day, and atmospheric pollution, a series of problems such as the temperature rises, and ev industry is developed rapidly.Electric automobile fills the shoring of foundation system that electrical changing station is electric automobile, is the important step of electric automobile safety, stable operation.Fill building up of electrical changing station along with large quantities of, the test of filling electrical changing station becomes the task of top priority.
Electric automobile fills the charging equipment of electrical changing station, comprises that the connection line between branch mailbox charging set system, battery carrier system, supervisory system and each system is formed, and can divide box power battery charging to tens of supreme thousand the casees simultaneously, and is in large scale.Workload and the detection difficulty of filling electrical changing station charging equipment manual detection are all bigger.
At the scene in the environment, the detection of charging equipment is that each several part carries out separately at present, lack system, effective detection means.Subject matter in the test process:
1. overall performance that can not detection system, even system's each several part all meets the requirements, the total system of collaborative work might not reach designing requirement yet.
2. different with actual working state.Resistor or electronic load are adopted in the test of charging equipment, can not reflect the actual working state of charging equipment.
3. whole time delay that can not detection system.The lithium-ion-power cell of electric automobile is the high-energy carrier, especially the time has higher danger in charging, and control, the protection feature of charging equipment had higher real-time requirement.And present independent method of testing can not be all the accurate Whole Response speed of measuring system.
4. test data need manually be carried out computing, and workload is big.
The utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, a kind of on-the-spot charging equipment detection system that is applied to being provided.It has the advantage that test emulation degree height, test speed are fast, tester's manually-operated is few.
For achieving the above object, the utility model adopts following technical proposals:
A kind of charging equipment detection system that is applied to the scene, comprise floor treatment module and mobile detection module, both communicate by wireless communication unit I and wireless communication unit II, real-time transmission and the processing of the control command of realization floor treatment module and the test data of mobile detection module; Described floor treatment module comprises floor treatment unit and the wireless communication unit I that communicates by letter with it, described floor treatment unit is portable computer, it is respectively with charging equipment and change electric equipment and be connected, test data to mobile detection module is carried out computing, and by the human-computer interaction interface demonstration, and derive result at any time; Described mobile detection module is arranged at can be by changing automatic mobile the changing in the electric formula battery case of electric equipment, and it comprises wireless communication unit II, mobile processing unit, charging detecting unit, battery analogue unit and Smoke Detection unit; Described mobile processing unit is communicated by letter with wireless communication unit II; The input end of described mobile processing unit connects charging detecting unit and Smoke Detection unit respectively, according to control command acceptance test data and be transferred to wireless communication unit II; The output terminal of described mobile processing unit connects the battery analogue unit; Described charging inspection side unit comprises voltage check device and current sensing means, carries out the measurement of magnitude of voltage, current value in real time, and test data is transferred to mobile processing unit;
Described battery analogue unit comprises voltage analog unit, current analog unit, communication unit, smoke units and control module, be used for the simulation electrokinetic cell at the normal voltage of charging process, electric current, communication characteristic, and voltage, communication, the smog abnormal characteristic of electrokinetic cell when breaking down; One end of described control module is connected to mobile processing unit, the other end is connected with voltage analog unit, current analog unit, smoke units and communication unit respectively, described voltage analog unit is connected with the current analog unit, described communication unit is connected directly to the battery case interface, and described current analog unit is connected with the battery case interface by the charging detecting unit.
Described floor treatment unit is provided with control interface, this control interface is connected with the supervisory system of changing electric equipment with charging equipment respectively, and by supervisory system to charging equipment with change electric equipment and send corresponding control command and receive charging equipment and change electric apparatus operating parameters.
Described voltage analog unit comprises capacitor and the capacitor charging circuit that is connected in parallel, capacitor discharging circuit and analog to digital conversion circuit, four are connected to the current analog unit together, capacitor charging circuit, capacitor discharging circuit and analog to digital conversion circuit are finished discharging and recharging of capacitor by control module control, and give control module with the magnitude of voltage real-time Transmission of capacitor; Described current analog unit comprises sample circuit, amplifying circuit and the power model that is connected in series, described sample circuit is connected to the voltage analog unit, described amplifying circuit is connected to control module, described sample circuit and power model all are connected to the battery case interface, and the charging current of capacitor is amplified by setting value.
Described control module is single-chip microcomputer.
Described communication unit is the CAN communication interface circuit.
Described smoke units is aerosol producer.
Detection method of the present utility model, step is as follows:
1) the floor treatment unit sends corresponding control command to changing electric equipment, mobile detection module is positioned over first charge position of battery case by changing electric equipment;
2) the floor treatment unit sends corresponding control command to charging equipment, the charging set corresponding with charge position is set enters the predetermined work state; Simultaneously, the floor treatment unit arranges the battery analogue unit by wireless communication unit I and enters the relevant work state, and control charging detecting unit is carried out corresponding test job, and receives the test data of returning.
Described step 2) test job comprises:
21) normal charging condition test: simulate required cell voltage by the battery analogue unit earlier, the charging beginning, voltage, electric current, the communications status of battery analogue unit simulation electrokinetic cell, magnitude of voltage, the current value of the detecting unit real-time testing that charges simultaneously charging, and test data is transferred to the floor treatment module;
22) unusual charged state test: in the process of charging normal, produce battery respectively and monomer voltage is unusual, the temperature anomaly signal by mobile processing unit control battery analogue unit, the time delay that the record charging equipment stops to export, and transfer data to the floor treatment module; Discharged to detect by the smoke units of mobile processing unit control battery analogue unit and use smog, record and detect the time delay that charging equipment stops to export behind the smog from the Smoke Detection unit, and transfer data to the floor treatment module;
23) after the test of this charge position was finished, the floor treatment unit sent the corresponding operating instruction, mobile detection module is moved to next charge position, repeating step 21 by changing electric equipment) and 22); By that analogy, finish the testing of all charge position of charging equipment;
24) through handling; voltage, current characteristics during each charge position real work of charging equipment; response characteristic, the transient characteristic of different charging stages; the charging curve of whole charging process; the guard delay time that occurs when unusual all can directly be presented on the man-machine interface, and can preserve and derive.
The beneficial effects of the utility model:
But 1. the actual motion state of testing apparatus analog charge equipment, test emulation degree height.
2. can realize filling overall performance tests such as the vital charging equipment charging of electrical changing station safe operation control strategy, protection feature, time delay.
3. testing apparatus is installed in the quick change battery case, lays automatically, connects by changing electric equipment, and the tester breaks away from the miscellaneous work of carrying testing apparatus, manual wiring.
4. utilize radio communication to transmit test data in real time, the tester can in time understand test process and test result, pinpoints the problems and can in time handle.
5. the floor treatment module can be handled the test data of all charging equipments automatically, and shows in man-machine interface with form intuitively, makes the tester break away from numerous and diverse data computation work.
Description of drawings
Fig. 1 is the structural representation of floor treatment module;
Fig. 2 is the structural representation of mobile detection module;
Fig. 3 is the structural representation of battery analogue unit;
Fig. 4 is the structural representation of voltage analog unit;
Fig. 5 is the structural representation of current analog unit;
Wherein 1. floor treatment unit, 2. wireless communication unit I, 3. control interface, 4. wireless communication unit II, 5. mobile processing unit, 6. Smoke Detection unit, 7. battery analogue unit, 8. charging detecting unit, 9. battery case interface, 10. voltage analog unit, 11. current analog unit, 12. smoke units, 13. communication unit, 14. control modules, 15. capacitors, 16. capacitor charging circuit, 17. capacitor discharging circuits, 18. analog to digital conversion circuits, 19. sample circuit, 20. amplifying circuits, 21. power models.
Embodiment
Below in conjunction with drawings and Examples the utility model is further set forth, should be noted that following explanation only is in order to explain the utility model, its content not to be limited.
A kind of charging equipment detection system that is applied to the scene, comprise floor treatment module (Fig. 1) and mobile detection module (Fig. 2), both communicate by wireless communication unit I2 and wireless communication unit II4, real-time transmission and the processing of the control command of realization floor treatment module and the test data of mobile detection module; Described floor treatment module comprises floor treatment unit 1 and the wireless communication unit I2 that communicates by letter with it, described floor treatment unit 1 is portable computer, it is respectively with charging equipment and change electric equipment and be connected, test data to mobile detection module is carried out computing, and by the human-computer interaction interface demonstration, and derive result at any time; Described mobile detection module is arranged in the battery case, and it comprises wireless communication unit II4, mobile processing unit 5, charging detecting unit 8, battery analogue unit 7 and Smoke Detection unit 6; Described mobile processing unit 5 is communicated by letter with wireless communication unit II4; The input end of described mobile processing unit 5 connects charging detecting unit 8 and Smoke Detection unit 6 respectively, according to control command acceptance test data and be transferred to wireless communication unit II4; The output terminal of described mobile processing unit 5 connects battery analogue unit 7; Described charging inspection side unit 8 comprises voltage check device and current sensing means, carries out the measurement of magnitude of voltage, current value in real time, and test data is transferred to mobile processing unit 5;
Described battery analogue unit 7 comprises voltage analog unit 10, current analog unit 11, communication unit 13, smoke units 12 and control module 14, be used for the simulation electrokinetic cell at the normal voltage of charging process, electric current, communication characteristic, and voltage, communication, the smog abnormal characteristic of electrokinetic cell when breaking down; One end of described control module 14 is connected to mobile processing unit 5, the other end is connected with voltage analog unit 10, current analog unit 11, smoke units 12 and communication unit 13 respectively, described voltage analog unit 10 is connected with current analog unit 11, described communication unit 13 is connected directly to battery case interface 9, and described current analog unit 11 is connected with battery case interface 9 by charging detecting unit 8.
Described floor treatment unit 1 is provided with control interface 3, this control interface 3 is connected with the supervisory system of changing electric equipment with charging equipment respectively, and by supervisory system to charging equipment with change electric equipment and send corresponding control command and receive charging equipment and change electric apparatus operating parameters.
Capacitor charging circuit 16, capacitor discharging circuit 17 and analog to digital conversion circuit 18 that described voltage analog unit 10 comprises capacitor 15 and is connected in parallel, four are connected to current analog unit 11 together, capacitor charging circuit 16, capacitor discharging circuit 17 and analog to digital conversion circuit 18 are finished discharging and recharging of capacitor 15 by control module 14 controls, and give control module 14 with the magnitude of voltage real-time Transmission of capacitor 15; Described current analog unit 11 comprises sample circuit 19, amplifying circuit 20 and the power model 21 that is connected in series, described sample circuit 19 is connected to voltage analog unit 10, described amplifying circuit 20 is connected to control module 14, described sample circuit 19 and power model 21 all are connected to battery case interface 9, and the charging current of capacitor 15 is amplified by setting value.
Described control module 14 is single-chip microcomputer.
Described communication unit 13 is the CAN communication interface circuit.
Described smoke units 12 is aerosol producer.
Detection method of the present utility model, step is as follows:
1) floor treatment unit 1 sends corresponding control command to changing electric equipment, mobile detection module is positioned over first charge position of battery case by changing electric equipment;
2) floor treatment unit 1 sends corresponding control command to charging equipment, the charging set corresponding with charge position is set enters the predetermined work state; Simultaneously, floor treatment unit 1 arranges battery analogue unit 7 by wireless communication unit I2 and enters the relevant work state, and control charging detecting unit 8 is carried out corresponding test job, and receives the test data of returning.
The test job of described step (2) comprising:
21) normal charging condition test: earlier by the required cell voltage of battery analogue unit 7 simulations, the charging beginning, voltage, electric current, the communications status of battery analogue unit 7 simulation electrokinetic cells, magnitude of voltage, the current value of detecting unit 8 real-time testings that charge simultaneously chargings, and test data is transferred to the floor treatment module;
22) unusual charged state test: in the process of charging normal, produce battery respectively and monomer voltage is unusual, the temperature anomaly signal by mobile processing unit 5 control battery analogue units 7, the time delay that the record charging equipment stops to export, and transfer data to the floor treatment module; Discharged to detect by the smoke units 12 of mobile processing unit 5 control battery analogue units 7 and use smog, record and detect the time delay that charging equipment stops to export behind the smog from Smoke Detection unit 6, and transfer data to the floor treatment module;
23) after the test of this charge position was finished, floor treatment unit 1 sent the corresponding operating instruction, mobile detection module is moved to next charge position, repeating step 21 by changing electric equipment) and 22); By that analogy, finish the testing of all charge position of charging equipment;
24) through handling; voltage, current characteristics during each charge position real work of charging equipment; response characteristic, the transient characteristic of different charging stages; the charging curve of whole charging process; the guard delay time that occurs when unusual all can directly be presented on the man-machine interface, and can preserve and derive.
Though above-mentionedly by reference to the accompanying drawings embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.