CN205301541U - High pressure interlocking detecting system - Google Patents
High pressure interlocking detecting system Download PDFInfo
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- CN205301541U CN205301541U CN201620049545.6U CN201620049545U CN205301541U CN 205301541 U CN205301541 U CN 205301541U CN 201620049545 U CN201620049545 U CN 201620049545U CN 205301541 U CN205301541 U CN 205301541U
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Abstract
The utility model provides a high pressure interlocking detecting system, including the corresponding second high pressure interlock circuit of battery management system, high voltage power distribution box, first high -pressure interlock circuit, a plurality of battery box and each battery box, set up the first control ware in the battery management system, high voltage power distribution box sets up the second controllor, set up the third controller in each battery box respectively, the first control ware is connected with the second controllor and third controller respectively, the second controllor and first high -pressure interlock circuit are connected, the third controller is connected with the second high pressure interlock circuit who corresponds, adopt the utility model discloses a high pressure interlocking detecting system can reduce the use of pencil, has reduced the pencil wiring degree of difficulty, can detect the state of every battery box simultaneously, has improved high pressure interlocking detecting system's reliability.
Description
Technical field
This utility model relates to power battery technology field, particularly relates to a kind of high-voltage interlocking detection system.
Background technology
Due to electrokinetic cell there is capacity height, the advantage such as volume is little, lightweight, self discharge coefficient is little, pollution-free, life-span length, be now widely used to onboard system and energy-storage system. Owing to system existing more high voltage electric appliance, it is necessary to electrical source of power enters after high voltage distribution box and to need to be assigned to the high pressure electrical products of system according to system, and is provided with corresponding high-voltage interlocking loop. High-voltage interlocking signal in electrical source of power can be detected by battery management system (BatteryManagementSystem, BMS) according to high-voltage interlocking loop, to ensure the safety of system.
In prior art; due to output voltage and capacity in order to meet onboard system or energy-storage system; set of cells would generally will be formed after substantial amounts of electrokinetic cell connection in series-parallel; battery case is formed after set of cells connection in series-parallel again; and according to the actual requirements; the battery case of corresponding number is arranged in onboard system or energy-storage system, as electrical source of power. Owing in onboard system or energy-storage system, the number of battery case is more, make onboard system or the complicated structure of energy-storage system medium power power supply, when carrying out high-voltage interlocking signal detection, need to be connected BMS and high voltage distribution box by holding wire or BMS is connected by holding wire with each battery case, BMS complete the high-voltage interlocking signal in onboard system or energy-storage system is detected.
But, in prior art, when the high-voltage interlocking signal in onboard system or energy-storage system being detected by high voltage distribution box, it is impossible to determine whether single battery case breaks down; And by BMS is connected by holding wire with each battery case, the wire harness then needed is more, add harness wiring difficulty, and it is fragile to there is wire harness, or it is easily generated the problems such as electromagnetic interference between wire harness, therefore the above-mentioned method that onboard system or energy-storage system mesohigh interlocking signal are detected, the reliability making high-voltage interlocking detection system is relatively low.
Utility model content
This utility model provides a kind of high-voltage interlocking detection system, to realize reducing the use of wire harness, reduces harness wiring difficulty, and the state to each battery case that is simultaneously achieved detects, and improves the reliability of high-voltage interlocking detection system.
This utility model provides a kind of high-voltage interlocking detection system, including the second high voltage interlock circuit that battery management system, high voltage distribution box, the first high voltage interlock circuit, multiple battery case and each described battery case are corresponding;
First controller is set in described battery management system, in described high voltage distribution box, second controller is set; It is respectively provided with the 3rd controller in each described battery case;
Described first controller is connected with described second controller and described 3rd controller respectively; Described second controller is connected with described first high voltage interlock circuit; Described 3rd controller connects with corresponding described second high voltage interlock circuit;
Described first controller, for sending a command to described second controller and described 3rd controller respectively;
Described second controller, the first signal for generating according to described instruction sends to described first high voltage interlock circuit, receive the first signal after described first high voltage interlock circuit conversion, the first data obtained according to the first signal after described conversion are sent to described first controller;
Described 3rd controller, secondary signal for generating according to described instruction sends to corresponding described second high voltage interlock circuit, receive the secondary signal after described second high voltage interlock circuit conversion, the second data obtained according to the secondary signal after described conversion are sent to described first controller.
Further, in high-voltage interlocking detection system described above, described high voltage distribution box includes first input port and the first output port; Described first high voltage interlock circuit includes the first sample circuit and the first change-over circuit;
Described first input port is connected with described second controller and described first sample circuit respectively; Described first sample circuit is connected with described first change-over circuit; Described first output port is connected with described second controller and described first change-over circuit respectively;
Described first sample circuit, for sending described first signal collected to described first change-over circuit;
Described first change-over circuit, for sending the first signal after described conversion to described second controller by described first output port.
Further, in high-voltage interlocking detection system described above, described second controller includes the first communication apparatus, the first signal generates equipment, the second communication apparatus and the first detection equipment;
Described first communication apparatus generates equipment with described first controller and described first signal respectively and is connected; Described first signal generates equipment and is also connected with described second communication apparatus; Described second communication apparatus is also connected with described first input port, described first output port and described first detection equipment respectively; Described first detection equipment is also connected with described first communication apparatus;
Described first communication apparatus, for sending the described instruction that described first controller received sends to described first signal generation equipment;
Described first signal generates equipment, for sending described first signal generated according to described instruction to described second communication apparatus;
Described second communication apparatus, for sending described first signal to described first input port;Described first change-over circuit, for sending the first signal after described conversion to described second communication apparatus by described first output port;
Described second communication apparatus, is additionally operable to the first signal after by the described conversion received and sends to described first detection equipment;
Described first detection equipment, is sent to described first controller by described first communication apparatus for described first data that will obtain according to the first signal after described conversion.
Further, in high-voltage interlocking detection system described above, described second controller also includes the first signal handling equipment;
Described first signal is generated equipment and is connected with described second communication apparatus by described first signal handling equipment; Described second communication apparatus detects equipment by described first signal handling equipment with described first and is connected;
Described first signal handling equipment, generates, for receiving described first signal, described first signal that equipment sends, and described first signal is processed, obtain the 3rd signal that described first signal is corresponding; And, send described 3rd signal extremely described second communication apparatus;
Described second communication apparatus, is additionally operable to send to described first input port described 3rd signal received, with the 3rd signal after being converted; And, the 3rd signal after the described conversion received is sent to described first signal handling equipment;
Described first signal handling equipment, is additionally operable to the 3rd signal after described conversion is processed, obtains the 5th signal that the 3rd signal after described conversion is corresponding, and, the 3rd data that described 5th signal is corresponding;
Described first detection equipment, is additionally operable to be sent to described first controller described 3rd data detected by described first communication apparatus.
Further, in high-voltage interlocking detection system described above, each described battery case includes the second input port and the second output port, and each described second high voltage interlock circuit includes the second sample circuit and the second change-over circuit respectively;
Described second input port connects with described second sample circuit and corresponding described 3rd controller respectively; Described second sample circuit is connected with described second change-over circuit; Described second output port is connected with described 3rd controller and described second change-over circuit respectively;
Described second sample circuit, the described secondary signal for collecting sends to described second change-over circuit;
Described second change-over circuit, for sending the secondary signal after described conversion to described 3rd controller by described second output port.
Further, in high-voltage interlocking detection system described above, described 3rd controller includes the 3rd communication apparatus, secondary signal generates equipment, the 4th communication apparatus and the second detection equipment;
Described 3rd communication apparatus generates equipment with described first controller and described secondary signal respectively and is connected; Described secondary signal generates equipment and is also connected with described 4th communication apparatus; Described 4th communication apparatus is also connected with described second input port, described second output port and described second detection equipment respectively; Described second detection equipment is also connected with described 3rd communication apparatus;
Described 3rd communication apparatus, for the described instruction sent by described first controller received, sends to described secondary signal generation equipment;
Described secondary signal generates equipment, and the described secondary signal for generating according to described instruction sends to described 4th communication apparatus;
Described 4th communication apparatus, for sending described secondary signal to described second input port; Described second change-over circuit, for sending the secondary signal after described conversion to described 4th communication apparatus by described second output port;
Described 4th communication apparatus, is additionally operable to the secondary signal after by the described conversion received and sends to described second detection equipment;
Described second detection equipment, is sent to described first controller by described 3rd communication apparatus for described second data that will obtain according to the secondary signal after described conversion.
Further, in high-voltage interlocking detection system described above, described 3rd controller also includes secondary signal and processes equipment;
Described secondary signal is generated equipment and is connected with described 4th communication apparatus by described secondary signal process equipment; Described 4th communication apparatus processes equipment by described secondary signal and is connected with described second detection equipment;
Described secondary signal processes equipment, generates, for receiving described secondary signal, the described secondary signal that equipment sends, and described secondary signal is processed, obtain the 4th signal that described secondary signal is corresponding; And, send described 4th signal extremely described 4th communication apparatus;
Described 4th communication apparatus, is additionally operable to send to described second input port described for transmission the 4th signal, with the 4th signal after being converted; And, the 4th signal after described conversion is sent to described secondary signal process equipment;
Described secondary signal processes equipment, is additionally operable to the 4th signal after described conversion is processed, obtains the 6th signal that the 4th signal after described conversion is corresponding, and, the 4th data that described 6th signal is corresponding;
Described second detection equipment, is additionally operable to be sent to described first controller described 4th data detected by described 3rd communication apparatus.
Further, in high-voltage interlocking detection system described above, described battery management system is additionally provided with intervalometer, and described intervalometer is connected with described first controller, described second controller and described 3rd controller respectively;
Described first controller, the duration for setting according to described intervalometer monitors the first data whether described second controller sends, and, monitor, according to the duration that described intervalometer sets, the second data whether described 3rd controller sends.
Further, in high-voltage interlocking detection system described above, connected by any one mode in CAN bus, Interconnected network and Ethernet between described first controller and described second controller;
Connected by any one mode in CAN bus, Interconnected network and Ethernet between described first controller and described 3rd controller.
Further, in high-voltage interlocking detection system described above, described battery management system is arranged in described high voltage distribution box, and described first controller and described second controller are provided separately or arrange as a whole.
High-voltage interlocking of the present utility model detection system, by the second controller in the instruction of the first controller transmission high-voltage interlocking detection in BMS1 to high voltage distribution box, second controller generates the first signal, and after the first signal being converted by the first high voltage interlock circuit, and the first data that the first signal after being converted is corresponding, and to the first controller, the transmission of these first data is completed the high-voltage interlocking signal detection to high voltage distribution box, and same method is adopted to complete the high-voltage interlocking signal detection to each battery case.Adopt high-voltage interlocking of the present utility model detection system, it is possible to reduce the use of wire harness, reduce harness wiring difficulty, the state of each battery case can be detected simultaneously, improve the reliability of high-voltage interlocking detection system.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model high-voltage interlocking detection system one embodiment;
Fig. 2 is the structural representation of this utility model high-voltage interlocking detection another embodiment of system;
Fig. 3 is the structural representation of this utility model high-voltage interlocking detection system another embodiment.
Accompanying drawing labelling
1-BMS;
11-the first controller;
12-intervalometer;
2-high voltage distribution box;
21-second controller
211-the first communication apparatus;
212-the first signal generates equipment;
213-the second communication apparatus;
214-first detects equipment;
215-the first signal handling equipment;
22-first input port;
23-the first output port;
3-the first high voltage interlock circuit;
32-the first sample circuit;
33-the first change-over circuit;
4-battery case;
41-the 3rd controller
411-the 3rd communication apparatus;
212-secondary signal generates equipment;
213-the 4th communication apparatus;
214-second detects equipment;
215-secondary signal processes equipment;
42-the second input port;
43-the second output port;
5-the second high voltage interlock circuit;
32-the second sample circuit;
33-the second change-over circuit.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Fig. 1 is the structural representation of this utility model high-voltage interlocking detection system one embodiment, specifically, Fig. 1 is the structural representation of this utility model high-voltage interlocking detection system under single loop, as it is shown in figure 1, the high-voltage interlocking searching system of the present embodiment can include the second high voltage interlock circuit 5 of BMS1, high voltage distribution box the 2, first high voltage interlock circuit 3, multiple battery case 4 and each battery case 4 correspondence. Wherein, the first controller 11 is set in BMS1, second controller 21 is set in high voltage distribution box 2; It is respectively provided with the 3rd controller 41 in each battery case 4. Such as, first controller 11, second controller 21 and the 3rd controller 41 can be all micro control unit ((MicrocontrollerUnit, or electronic control unit (ElectronicControlUnit MCU), ECU) etc., the first controller 11 is connected with second controller 21 and the 3rd controller 41 respectively; Second controller 21 is connected with the first high voltage interlock circuit 3; 3rd controller 41 connects with the second corresponding high voltage interlock circuit 5.
Although it should be appreciated that be likely in embodiments of the present invention adopt term first, second grade to describe high voltage interlock circuit, but these high voltage interlock circuit should not necessarily be limited by these terms, these terms are only used for being distinguished from each other out high voltage interlock circuit. Such as when without departing from range of embodiment of the invention, the first high voltage interlock circuit 3 can also be referred to as the second high voltage interlock circuit 5, and in like manner the second high voltage interlock circuit 5 can also be referred to as the first high voltage interlock circuit 3.
The high-voltage interlocking that BMS1 is the present embodiment detects the maincenter of all high tension loops of monitor in real time in system operation, its internal first controller 11 arranged is for sending the instruction of high-voltage interlocking detection respectively to the second controller 21 in high voltage distribution box 2 and the 3rd controller 41 in each battery case 4, after second controller 21 receives the instruction that the first controller 11 sends, the first signal can be generated according to this instruction, and the first signal generated is sent to the first high voltage interlock circuit 3. Specifically, the first signal that second controller 21 generates is an analogue signal, first signal sends the digital signal that can be converted into system power supply to the first high voltage interlock circuit 3, and again send to second controller 21, second controller 21 receives the first signal after the first high voltage interlock circuit 3 conversion, and obtain the first corresponding data according to the first signal after conversion, and the first data obtained according to the first signal after conversion are sent to the first controller 11. First controller 11 completes the high-voltage interlocking signal in whole system is detected according to the first data received.
In like manner, 3rd controller 41 sends to the second corresponding high voltage interlock circuit 5 for the secondary signal that the instruction that will detect according to high-voltage interlocking generates, receive the secondary signal after the second high voltage interlock circuit 5 conversion, the second data obtained according to the secondary signal after conversion are sent to the first controller 11.
Owing to BMS1 is the control centre of whole onboard system or energy-storage system, onboard system or energy-storage system need the parts by controlling monitoring be all connected with BMS1 by communication bus, therefore, by controller local area network (ControllerAreaNetwork between first controller 11 and second controller 21, CAN) any one mode in the communication bus such as bus, Interconnected network (LocalAreaNetwork, LAN) and Ethernet connects; Connected by any one mode in the communication bus such as CAN, LAN and Ethernet between first controller 11 and the 3rd controller 41, such that it is able to avoid between the first controller 11 and second controller 21 and be respectively adopted holding wire between the first controller 11 and the 3rd controller 41 being connected, which reduces the use of wire harness, reduce harness wiring difficulty, avoiding when adopting wire harness, wire harness is fragile or is easily generated the problems such as electromagnetic interference between wire harness. Simultaneously because the corresponding high-voltage interlocking testing circuit of each battery case 4, BMS1 so can be made to detect the state of each battery case 4, if breaking down, it is possible to quickly fault location.
The high-voltage interlocking detection system of the present embodiment, the instruction of high-voltage interlocking detection is sent to the second controller 21 in high voltage distribution box 2 by the first controller 11 in BMS1, second controller 21 generates the first signal, and after first signal being converted by the first high voltage interlock circuit 3, and the first data that the first signal after being converted is corresponding, and to the first controller 11, the transmission of these first data is completed the high-voltage interlocking signal detection to high voltage distribution box 2, and same method is adopted to complete the high-voltage interlocking signal detection to each battery case 4.Adopt the high-voltage interlocking detection system of the present embodiment, it is possible to reduce the use of wire harness, reduce harness wiring difficulty, the state of each battery case 4 can be detected simultaneously, improve the reliability of high-voltage interlocking detection system.
Fig. 2 is the structural representation of this utility model high-voltage interlocking detection another embodiment of system, as in figure 2 it is shown, the high-voltage interlocking of the present embodiment detects, system is more detailed further on the basis of embodiment illustrated in fig. 1 to be described the technical solution of the utility model.
As in figure 2 it is shown, in the high-voltage interlocking detection system of the present embodiment, high voltage distribution box 2 includes first input port 22 and the first output port 23, for instance, first input port 22 and the first output port 23 can by adapter auxiliary contact or circuit realiration. First high voltage interlock circuit 3 specifically can include the first sample circuit 31 and the first change-over circuit 32; First input port 22 is connected with second controller 21 and the first sample circuit 31 respectively. First sample circuit 31 is connected with the first change-over circuit 32, and the first output port 23 is connected with second controller 21 and the first change-over circuit 32 respectively.
The signal that second controller 21 generates is sent to the first sample circuit 31 by first input port 22, by the first sample circuit 31, first signal is acquired, first sample circuit 31 sends to the first change-over circuit 32 for the first signal that will collect, and the first change-over circuit 32 is for sending the first signal after conversion to second controller 21 by the first output port 23.
In like manner, each battery case 4 includes the second input port 42 and the second output port 43, and each second high voltage interlock circuit 5 includes the second sample circuit 51 and the second change-over circuit 52 respectively. Second input port 42 connects with the second sample circuit 51 and the 3rd corresponding controller 41 respectively; Second sample circuit 51 is connected with the second change-over circuit 52; Second output port 43 is connected with the 3rd controller 41 and the second change-over circuit 52 respectively; Second sample circuit 51 sends to the second change-over circuit 52 for the secondary signal that will collect; Second change-over circuit 52 is for sending the secondary signal after conversion to the 3rd controller 41 by the second output port 43.
Further, in the high-voltage interlocking detection system of the present embodiment, second controller 21 specifically can include first communication apparatus the 211, first signal and generate equipment the 212, second communication apparatus 213 and the first detection equipment 214. First communication apparatus 211 generates equipment 212 with the first controller 11 and the first signal respectively and is connected; First signal generates equipment 212 and can also be connected with the second communication apparatus 213; Second communication apparatus 213 is also connected with first input port the 22, first output port 23 and the first detection equipment 214 respectively; First detection equipment 214 is also connected with the first communication apparatus 211.
The instruction of the first communication apparatus 211 high-voltage interlocking detection for being sent by the first controller 11 received sends to the first signal generation equipment 212; First signal generates equipment 212 can generate the first signal according to the instruction that the first controller 11 sends, for instance, this first signal can be level signal or pulse width modulation (PulseWidthModulation, PWM) frequency signal etc. First signal generates the first signal of the equipment 212 instruction generation for sending according to the first controller 11 and sends to the second communication apparatus 213. Second communication apparatus 213 is for sending the first signal to first input port 22;This first signal is being sent to the first sample circuit 31 by first input port 22, by the first sample circuit 31, first signal is acquired, first sample circuit 31 sends to the first change-over circuit 32 for the first signal that will collect, and the first change-over circuit 32 is for sending the first signal after conversion to the second communication apparatus 213 by the first output port 23; Second communication apparatus 213 is additionally operable to the first signal after by the conversion received and sends to the first detection equipment 214; First detection equipment 214 is for sending the first data obtained according to the first signal after conversion to the first controller 11 by the first communication apparatus 211.
In the present embodiment, scheme of the present utility model is illustrated for the first signal for level signal, the high-voltage interlocking detection system of the present embodiment can pass through whether the first Data Detection high-voltage switch gear being converted to of signal level is plugged or insert firmly, and may determine that again whether high-voltage interlocking signal is complete.
Specifically, the state of signal level is using the signal source of input as reference, to obtain the ratio of the signal source of signal source and the input exported. If the ratio obtained is 65%-73%, then illustrate that high-voltage switch gear has been plugged or to insert firmly; If the ratio obtained is 39%-47%, then illustrate that high-voltage switch gear is not plugged or do not inserted firmly, and is in open-circuit condition; If the ratio obtained is less than 20%, then illustrate that high-voltage switch gear is shorted; If the dutycycle obtained is other numerical value, then illustrate that high-voltage interlocking testing circuit is abnormal, it is impossible to ensure the state of high-voltage interlocking. It addition, the first detection equipment 214 can also change according to the first signal after conversion after the amplitude of the first signal and frequency, such that it is able to amplitude and frequency according to acquisition determine that whether high-voltage interlocking signal complete.
Further, the amplitude that signal generates the first signal that equipment generates is less, and capacity of resisting disturbance is poor, therefore, can collecting signal accurately in order to ensure the first sample circuit 31, in the high-voltage interlocking detection system of the present embodiment, second controller 21 also includes the first signal handling equipment 215.
First signal is generated equipment 212 and is connected with the second communication apparatus 213 by the first signal handling equipment 215; Second communication apparatus 213 is connected with the first detection equipment 214 by the first signal handling equipment 215. First signal handling equipment 215 generates, for receiving the first signal, the first signal that equipment 212 sends, and the first signal is processed, and obtains the 3rd signal that the first signal is corresponding; And, send the 3rd signal to the second communication apparatus 213; Specifically, after first signal generation equipment 212 generates the first signal, first the first signal can be sent to the first signal handling equipment 215, after first signal is carried out the process such as signal isolation, signal amplification, signal enhancing by the first signalling arrangement, amplitude and the anti-interference of the first signal can be improved, so that it is guaranteed that obtain the 3rd relatively accurate signal, then the 3rd signal is sent to the second communication apparatus 213.
Now, the second communication apparatus 213 is additionally operable to send to first input port 22 the 3rd signal received, after first sample circuit the 31, first change-over circuit 32 and the first output port 23, and the 3rd signal after being converted. In like manner, can there is inaccurate situation equally in the 3rd signal after conversion, therefore the 3rd signal after the conversion received also is sent to the first signal handling equipment 215 by the second communication apparatus 213, first signal handling equipment 215 is additionally operable to the 3rd signal after conversion is processed, the 5th signal that the 3rd signal after being changed is corresponding, and, the 3rd data that the 5th signal is corresponding;First detection equipment 214 is additionally operable to be sent to the first controller 11 the 3rd data detected by the first communication apparatus 211, so that the high-voltage interlocking detection system of the present embodiment is by whether the first Data Detection high-voltage switch gear being converted to of signal level is plugged or insert firmly, and determine that whether high-voltage interlocking signal is complete.
In like manner, in the high-voltage interlocking detection system of the present embodiment, the 3rd controller 41 includes the 3rd communication apparatus 411, secondary signal generates equipment the 412, the 4th communication apparatus 413 and the second detection equipment 414; 3rd communication apparatus 411 generates equipment 412 with the first controller 11 and secondary signal respectively and is connected; Secondary signal generates equipment 412 and is also connected with the 4th communication apparatus 413; 4th communication apparatus 413 is also connected with second input port the 42, second output port 43 and the second detection equipment 414 respectively; Described second detection equipment 414 is also connected with the 3rd communication apparatus 411.
The instruction of the 3rd communication apparatus 411 high-voltage interlocking detection for being sent by the first controller 11 received, sends to secondary signal generation equipment 412; Secondary signal generates equipment 412, and the secondary signal for generating according to instruction sends to the 4th communication apparatus 413; 4th communication apparatus 413 is for sending secondary signal to the second input port 42; This first signal is being sent to the second sample circuit 32 by the second input port 42, by the second sample circuit 32, secondary signal is acquired, second sample circuit 32 sends to the first change-over circuit 32 for the first signal that will collect, and the second change-over circuit 52 is for sending the secondary signal after conversion to the 4th communication apparatus 413 by the second output port 43; 4th communication apparatus 413 is additionally operable to the secondary signal after by the conversion received and sends to the second detection equipment 414; Second detection equipment 414 is for sending the second data obtained according to the secondary signal after conversion to the first controller 11 by the 3rd communication apparatus 411.
Further, the high-voltage interlocking detection system of the present embodiment, the 3rd controller 41 also includes secondary signal and processes equipment 415. Secondary signal is generated equipment 412 and is connected with the 4th communication apparatus 413 by secondary signal process equipment 415; 4th communication apparatus 413 processes equipment 415 by secondary signal and is connected with the second detection equipment 414; Secondary signal processes equipment 415 and generates, for receiving secondary signal, the secondary signal that equipment 412 sends, and secondary signal is processed, and obtains the 4th signal that secondary signal is corresponding; And, send the 4th signal to the 4th communication apparatus 413; 4th communication apparatus 413 is additionally operable to send to the second input port 42 transmission the 4th signal, with the 4th signal after being converted; And, the 4th signal after conversion is sent to secondary signal process equipment 415; Institute secondary signal processes equipment 415 and is additionally operable to the 4th signal after conversion is processed, the 6th signal that the 4th signal after being changed is corresponding, and the 4th data that the 6th signal is corresponding; Second detection equipment 414 is additionally operable to be sent to the first controller 11 the 4th data by the 3rd communication apparatus 411.
It should be noted that the 3rd controller 41 is identical with the structure and working principle of second controller 21, refer to the relevant record to second controller 21 in the present embodiment in detail, do not repeat them here.
Further, impact due to some extraneous factors, may result in second controller 21 or some the 3rd controller 41 cannot send data to the first controller 11 in time, in this case do not ensure that high voltage distribution box 2 or battery case 4 break down, therefore in the high-voltage interlocking detection system of the present embodiment, BMS1 is additionally provided with intervalometer 12, and intervalometer 12 is connected with the first controller 11, second controller 21 and the 3rd controller 31 respectively.Specifically, intervalometer 12 is connected with the first communication apparatus 211 in the first controller 11, second controller 21 and the 3rd communication apparatus 311 in the 3rd controller 31 respectively, first controller 11 monitors, for the duration set according to intervalometer 12, the first data whether the first communication apparatus 211 in second controller 21 sends, and, according to the second data whether the 3rd communication apparatus 311 in duration monitoring the 3rd controller 41 that intervalometer 12 sets sends.
Specifically, if the first controller 11 does not monitor second controller 21 or does not monitor some the 3rd controller 41 and send the data to the first controller 11 in the duration set, then it is believed that detect the high-voltage interlocking Signal Fail of the battery case 4 of high voltage distribution box 2 or the 3rd controller 41 correspondence, otherwise, the high-voltage interlocking signal success of the battery case 4 of detection high voltage distribution box 2 or the 3rd controller 41 correspondence is then described, and starts to judge the high-voltage interlocking state of high-voltage interlocking detection system.
Further, in the high-voltage interlocking detection system of the present embodiment, in order to make full use of the space of onboard system or energy-storage system, it is possible to be arranged on by BMS1 in high voltage distribution box 2, the first controller 11 is provided separately or arranges as a whole with second controller 21. In order to save cost, it is preferred that the first controller 11 and second controller 21 are arranged as a whole.
The high-voltage interlocking detection system of the present embodiment, the instruction for high-voltage interlocking detection is sent to the second controller 21 in high voltage distribution box 2 by the first controller 11 in BMS1, second controller 21 generates the first signal, and after carrying out respective handling, obtain the 3rd signal of correspondence, after the 3rd signal being converted by the first high voltage interlock circuit 3, and the 5th signal that scattered signal after being converted is corresponding, and the 5th the 3rd data corresponding to signal, and the 3rd data transmission is completed the high-voltage interlocking signal detection to high voltage distribution box 2 to the first controller 11, and adopt same method to complete the high-voltage interlocking signal detection to each battery case 4. adopt the high-voltage interlocking detection system of the present embodiment, it is possible to reduce the use of wire harness, reduce harness wiring difficulty, and avoid the pin of the first controller 11 too much, save cost, the state of each battery case 4 can have been detected simultaneously, improve the reliability of high-voltage interlocking detection system.
Further, on the basis of above-described embodiment, the high-voltage interlocking detection system of the present embodiment can also according to the cycle set, and whether active detecting high-voltage interlocking detection system has fault, if fault-free, then the state controlling high-voltage interlocking detection system is high-voltage interlocking State-output. If there being fault, then successively high voltage distribution box 2 and each battery case 4 being detected, it is also possible to high voltage distribution box 2 and all battery cases 4 are detected, detailed Cleaning Principle refer to above-mentioned relevant record, does not repeat them here simultaneously.
Fig. 3 is the structural representation of this utility model high-voltage interlocking detection system another embodiment, and specifically, Fig. 3 is the structural representation of this utility model high-voltage interlocking detection system under multiloop. The operation principle of the high-voltage interlocking detection system of the present embodiment is identical with the operation principle of Fig. 1 or embodiment illustrated in fig. 2 and beneficial effect, refer to above-mentioned relevant record in detail, does not repeat them here.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit;Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model.
Claims (10)
1. a high-voltage interlocking detection system, it is characterised in that include the second high voltage interlock circuit that battery management system, high voltage distribution box, the first high voltage interlock circuit, multiple battery case and each described battery case are corresponding;
First controller is set in described battery management system, in described high voltage distribution box, second controller is set; It is respectively provided with the 3rd controller in each described battery case;
Described first controller is connected with described second controller and described 3rd controller respectively; Described second controller is connected with described first high voltage interlock circuit; Described 3rd controller connects with corresponding described second high voltage interlock circuit;
Described first controller, for sending a command to described second controller and described 3rd controller respectively;
Described second controller, the first signal for generating according to described instruction sends to described first high voltage interlock circuit, receive the first signal after described first high voltage interlock circuit conversion, the first data obtained according to the first signal after described conversion are sent to described first controller;
Described 3rd controller, secondary signal for generating according to described instruction sends to corresponding described second high voltage interlock circuit, receive the secondary signal after described second high voltage interlock circuit conversion, the second data obtained according to the secondary signal after described conversion are sent to described first controller.
2. high-voltage interlocking according to claim 1 detection system, it is characterised in that described high voltage distribution box includes first input port and the first output port; Described first high voltage interlock circuit includes the first sample circuit and the first change-over circuit;
Described first input port is connected with described second controller and described first sample circuit respectively; Described first sample circuit is connected with described first change-over circuit; Described first output port is connected with described second controller and described first change-over circuit respectively;
Described first sample circuit, for sending described first signal collected to described first change-over circuit;
Described first change-over circuit, for sending the first signal after described conversion to described second controller by described first output port.
3. high-voltage interlocking according to claim 2 detection system, it is characterised in that described second controller includes the first communication apparatus, the first signal generates equipment, the second communication apparatus and the first detection equipment;
Described first communication apparatus generates equipment with described first controller and described first signal respectively and is connected; Described first signal generates equipment and is also connected with described second communication apparatus; Described second communication apparatus is also connected with described first input port, described first output port and described first detection equipment respectively; Described first detection equipment is also connected with described first communication apparatus;
Described first communication apparatus, for sending the described instruction that described first controller received sends to described first signal generation equipment;
Described first signal generates equipment, for sending described first signal generated according to described instruction to described second communication apparatus;
Described second communication apparatus, for sending described first signal to described first input port; Described first change-over circuit, for sending the first signal after described conversion to described second communication apparatus by described first output port;
Described second communication apparatus, is additionally operable to the first signal after by the described conversion received and sends to described first detection equipment;
Described first detection equipment, is sent to described first controller by described first communication apparatus for described first data that will obtain according to the first signal after described conversion.
4. high-voltage interlocking according to claim 3 detection system, it is characterised in that described second controller also includes the first signal handling equipment;
Described first signal is generated equipment and is connected with described second communication apparatus by described first signal handling equipment; Described second communication apparatus detects equipment by described first signal handling equipment with described first and is connected;
Described first signal handling equipment, generates, for receiving described first signal, described first signal that equipment sends, and described first signal is processed, obtain the 3rd signal that described first signal is corresponding; And, send described 3rd signal extremely described second communication apparatus;
Described second communication apparatus, is additionally operable to send to described first input port described 3rd signal received, with the 3rd signal after being converted; And, the 3rd signal after the described conversion received is sent to described first signal handling equipment;
Described first signal handling equipment, is additionally operable to the 3rd signal after described conversion is processed, obtains the 5th signal that the 3rd signal after described conversion is corresponding, and, the 3rd data that described 5th signal is corresponding;
Described first detection equipment, is additionally operable to be sent to described first controller described 3rd data detected by described first communication apparatus.
5. high-voltage interlocking according to claim 1 detection system, it is characterised in that each described battery case includes the second input port and the second output port, and each described second high voltage interlock circuit includes the second sample circuit and the second change-over circuit respectively;
Described second input port connects with described second sample circuit and corresponding described 3rd controller respectively; Described second sample circuit is connected with described second change-over circuit; Described second output port is connected with described 3rd controller and described second change-over circuit respectively;
Described second sample circuit, the described secondary signal for collecting sends to described second change-over circuit;
Described second change-over circuit, for sending the secondary signal after described conversion to described 3rd controller by described second output port.
6. high-voltage interlocking according to claim 5 detection system, it is characterised in that described 3rd controller includes the 3rd communication apparatus, secondary signal generates equipment, the 4th communication apparatus and the second detection equipment;
Described 3rd communication apparatus generates equipment with described first controller and described secondary signal respectively and is connected; Described secondary signal generates equipment and is also connected with described 4th communication apparatus; Described 4th communication apparatus is also connected with described second input port, described second output port and described second detection equipment respectively; Described second detection equipment is also connected with described 3rd communication apparatus;
Described 3rd communication apparatus, for the described instruction sent by described first controller received, sends to described secondary signal generation equipment;
Described secondary signal generates equipment, and the described secondary signal for generating according to described instruction sends to described 4th communication apparatus;
Described 4th communication apparatus, for sending described secondary signal to described second input port; Described second change-over circuit, for sending the secondary signal after described conversion to described 4th communication apparatus by described second output port;
Described 4th communication apparatus, is additionally operable to the secondary signal after by the described conversion received and sends to described second detection equipment;
Described second detection equipment, is sent to described first controller by described 3rd communication apparatus for described second data that will obtain according to the secondary signal after described conversion.
7. high-voltage interlocking according to claim 6 detection system, it is characterised in that described 3rd controller also includes secondary signal and processes equipment;
Described secondary signal is generated equipment and is connected with described 4th communication apparatus by described secondary signal process equipment; Described 4th communication apparatus processes equipment by described secondary signal and is connected with described second detection equipment;
Described secondary signal processes equipment, generates, for receiving described secondary signal, the described secondary signal that equipment sends, and described secondary signal is processed, obtain the 4th signal that described secondary signal is corresponding; And, send described 4th signal extremely described 4th communication apparatus;
Described 4th communication apparatus, is additionally operable to send to described second input port described for transmission the 4th signal, with the 4th signal after being converted; And, the 4th signal after described conversion is sent to described secondary signal process equipment;
Described secondary signal processes equipment, is additionally operable to the 4th signal after described conversion is processed, obtains the 6th signal that the 4th signal after described conversion is corresponding, and, the 4th data that described 6th signal is corresponding;
Described second detection equipment, is additionally operable to be sent to described first controller described 4th data detected by described 3rd communication apparatus.
8. according to described high-voltage interlocking detection system arbitrary in claim 1-7, it is characterised in that described battery management system is additionally provided with intervalometer, and described intervalometer is connected with described first controller, described second controller and described 3rd controller respectively;
Described first controller, the duration for setting according to described intervalometer monitors the first data whether described second controller sends, and, monitor, according to the duration that described intervalometer sets, the second data whether described 3rd controller sends.
9. according to described high-voltage interlocking detection system arbitrary in claim 1-7, it is characterized in that, connected by any one mode in CAN bus, Interconnected network and Ethernet between described first controller and described second controller;
Connected by any one mode in CAN bus, Interconnected network and Ethernet between described first controller and described 3rd controller.
10. according to described high-voltage interlocking detection system arbitrary in claim 1-7, it is characterised in that described battery management system is arranged in described high voltage distribution box, and described first controller and described second controller are provided separately or arrange as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620049545.6U CN205301541U (en) | 2016-01-19 | 2016-01-19 | High pressure interlocking detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620049545.6U CN205301541U (en) | 2016-01-19 | 2016-01-19 | High pressure interlocking detecting system |
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| CN205301541U true CN205301541U (en) | 2016-06-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646076A (en) * | 2016-10-14 | 2017-05-10 | 宁德时代新能源科技股份有限公司 | High-voltage interlocking detection circuit |
| CN107599848A (en) * | 2017-10-23 | 2018-01-19 | 宁德时代新能源科技股份有限公司 | High voltage detection circuit, detector, battery device and vehicle |
-
2016
- 2016-01-19 CN CN201620049545.6U patent/CN205301541U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646076A (en) * | 2016-10-14 | 2017-05-10 | 宁德时代新能源科技股份有限公司 | High-voltage interlocking detection circuit |
| CN106646076B (en) * | 2016-10-14 | 2019-06-04 | 宁德时代新能源科技股份有限公司 | High-voltage interlocking detection circuit |
| CN107599848A (en) * | 2017-10-23 | 2018-01-19 | 宁德时代新能源科技股份有限公司 | High voltage detection circuit, detector, battery device and vehicle |
| CN107599848B (en) * | 2017-10-23 | 2023-11-17 | 宁德时代新能源科技股份有限公司 | High voltage detection circuit, detector, battery device and vehicle |
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