CN209700404U - A kind of high-voltage interlocking detection device, electric car power supply system and electric car - Google Patents
A kind of high-voltage interlocking detection device, electric car power supply system and electric car Download PDFInfo
- Publication number
- CN209700404U CN209700404U CN201920114256.3U CN201920114256U CN209700404U CN 209700404 U CN209700404 U CN 209700404U CN 201920114256 U CN201920114256 U CN 201920114256U CN 209700404 U CN209700404 U CN 209700404U
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- voltage interlocking
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- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000035800 maturation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of high-voltage interlocking detection device, electric car power supply system and electric cars, belong to electric vehicle engineering field.The utility model proposes high-voltage interlocking detection devices, including high-voltage interlocking detection route, first control unit, the second control unit and for going here and there the main line control switch being located in the power-supply system of power battery, the input terminal of the output end connection high-voltage interlocking detection route of first control unit, the output end that high-voltage interlocking detects route connects the input terminal of the second control unit, the output end control connection main line control switch of the second control unit；First control unit and the second control unit communication connection.If first control unit breaks down in the device, second control unit does not receive signal, the timely cutoff high of second control unit, avoids because of only one control unit and the control unit breaks down and can not detect failure and high voltage fault occurs, and improves the safety of vehicle.
Description
Technical field
The utility model relates to a kind of high-voltage interlocking detection device, electric car power supply system and electric cars, belong to electricity
Electrical automobile technical field.
Background technique
Electric car is a kind of new-energy automobile by vehicle power supply (i.e. power battery) offer kinetic energy, vehicle power supply output
Electric energy each load is reasonably allocated to by high-tension distribution box.Due to high-tension distribution box and the line being connect with high-tension distribution box
Road is all high-voltage large current, patch route fall off it is not only possible equipment is damaged, and may jeopardize operator's
Personal safety.
Authorization Notice No. is that the Chinese utility model patent file of 207875401 U of CN discloses a kind of conventional high pressure
Interlock detection system, include in the system one for detect electrical connector connect with high voltage distribution box whether normal first
High-voltage interlocking measure loop, control detection unit sends pulse modulation voltage signal to the first high-voltage interlocking measure loop, and connects
Pulse modulation voltage signal is received, the voltage of the pulse-modulated signal sent and received is compared, to judge that this high-voltage interlocking detects
Whether circuit is complete, if inconsistent, illustrates have part connector not to be seated.Only with a control unit in the system,
Detection unit is controlled, which needs to do the work of sending and receiving signal, can not if the control unit failure or aging
Detect whether high-voltage interlocking measure loop is complete in time, high voltage supply route can not be disconnected in time, vehicle security is extremely low.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage interlocking detection device, electric car power supply system and electronic vapour
Vehicle is only arranged a control unit and high pressure cut-off is made to cause vehicle security is low to ask not in time to solve the prior art
Topic.
To achieve the above object, the utility model proposes a kind of high-voltage interlocking detection devices, including high-voltage interlocking detection line
Road, further include first control unit, the second control unit and for go here and there be located in the power-supply system of power battery main line control
Switch, the detection signal input part of the detection signal output end connection high-voltage interlocking detection route of first control unit, high pressure are mutual
The detection signal output end of lock detection route connects the detection signal input part of the second control unit, the control of the second control unit
Signal output end control connection main line control switch；First control unit and the second control unit communication connection.
First control unit is used to detect line signaling, the second control to high-voltage interlocking in this high-voltage interlocking detection device
Unit processed is used to receive the signal of high-voltage interlocking line output, and the second control unit controls main line control by received signal and opens
The state of pass, when the second control unit does not receive signal, shows that high-voltage interlocking line is endless in the device course of work
Whole, the second control unit controls the cutting of main line control switch, if first control unit breaks down, the second control unit is equally
Signal is not received, the timely cutoff high of the second control unit avoids because of only one control unit and the control unit goes out
Existing failure can not work and high pressure electric leakage accident occurs, and improve the safety of vehicle.
Further, main line control switch is the contact of dry-circuit relay, and the control coil string of dry-circuit relay is located at the
One control coil branch road, one end of the first control coil branch connect voltage source, during the first control coil branch road string is equipped with
Between relay contact, the control coil string of intermediate relay is located at the second control coil branch road, the second control coil branch
One end connect the second control unit control signal output, the other end connect voltage source.
The disconnection and closure that main line control switch is automatically controlled by control coil, not only improve reliability, but also realize
Automation, this control method are relay working principle, therefore, using the contact of dry-circuit relay as main line control switch, are led to
Cross the intermediate relay of the first control coil branch road of control coil control of the second control coil branch road intermediate relay
Contact so that the control coil of the dry-circuit relay of the first control coil branch road charges, and then controls the touching of dry-circuit relay
Point further improves vehicle security to realize the control to high voltage supply, and the technology maturation of relay.
In addition, it is also proposed that a kind of electric car power supply system, including high-voltage interlocking detection device, power battery and and power
The power-supply system for being used to export electric energy that battery is connected, high-voltage interlocking detection device include high-voltage interlocking detection route, and high pressure is mutual
Lock detection device further includes first control unit, the second control unit and is located at doing in the power-supply system of power battery for going here and there
Way control switch, the detection signal input part of the detection signal output end connection high-voltage interlocking detection route of first control unit,
The detection signal output end that high-voltage interlocking detects route connects the detection signal input part of the second control unit, the second control unit
Control signal output control connection main line control switch；First control unit and the second control unit communication connection.
First control unit is used to send to high-voltage interlocking detection route in the high-voltage interlocking detection device of this power supply system
Signal, the second control unit are used to receive the signal of high-voltage interlocking line output, and the second control unit passes through received signal control
The state of main line control switch processed, when the second control unit does not receive signal, shows high pressure in the device course of work
Interlocking line is imperfect, and the second control unit controls the cutting of main line control switch, if first control unit breaks down, the second control
Unit processed does not receive signal equally yet, the timely cutoff high of the second control unit, avoid because of only one control unit and
Control unit failure can not work and high pressure electric leakage accident occurs, and improve the safety of vehicle.
Further, main line control switch is the contact of dry-circuit relay, and the control coil string of dry-circuit relay is located at the
One control coil branch road, one end of the first control coil branch connect voltage source, during the first control coil branch road string is equipped with
Between relay contact, the control coil string of intermediate relay is located at the second control coil branch road, the second control coil branch
One end connect the second control unit control signal output, the other end connect voltage source.
The disconnection and closure that main line control switch is automatically controlled by control coil, not only improve reliability, but also realize
Automation, this control method are relay working principle, therefore, using the contact of dry-circuit relay as main line control switch, are led to
Cross the intermediate relay of the first control coil branch road of control coil control of the second control coil branch road intermediate relay
Contact so that the control coil of the dry-circuit relay of the first control coil branch road charges, and then controls the touching of dry-circuit relay
Point further improves vehicle security to realize the control to high voltage supply, and the technology maturation of relay.
In addition, it is also proposed that a kind of electric car, including electric car car body further include electric car power supply system, electronic
Automobile power supply system includes high-voltage interlocking detection device, power battery and the power supply for being used to export electric energy being connected with power battery
Main line, high-voltage interlocking detection device include high-voltage interlocking detection route, high-voltage interlocking detection device further include first control unit,
Second control unit and for going here and there the main line control switch being located in the power-supply system of power battery, the detection of first control unit
Signal output end connects the detection signal input part of high-voltage interlocking detection route, and high-voltage interlocking detects the detection signal output of route
The detection signal input part of the second control unit of end connection, the control signal output control connection main line control of the second control unit
System switch；First control unit and the second control unit communication connection.
The first control unit that electric car mesohigh interlocks detection device is used to send letter to high-voltage interlocking detection route
Number, the second control unit is used to receive the signal of high-voltage interlocking line output, and the second control unit is controlled by received signal
The state of main line control switch, when the second control unit does not receive signal, shows that high pressure is mutual in the device course of work
Locking wire road is imperfect, and the second control unit controls the cutting of main line control switch, if first control unit breaks down, the second control
Unit does not receive signal equally yet, and the timely cutoff high of the second control unit is avoided because of only one control unit and is somebody's turn to do
Control unit failure can not work and high pressure electric leakage accident occurs, and improve the safety of vehicle.
Further, main line control switch is the contact of dry-circuit relay, and the control coil string of dry-circuit relay is located at the
One control coil branch road, one end of the first control coil branch connect voltage source, during the first control coil branch road string is equipped with
Between relay contact, the control coil string of intermediate relay is located at the second control coil branch road, the second control coil branch
One end connect the second control unit control signal output, the other end connect voltage source.
The disconnection and closure that main line control switch is automatically controlled by control coil, not only improve reliability, but also realize
Automation, this control method are relay working principle, therefore, using the contact of dry-circuit relay as main line control switch, are led to
Cross the intermediate relay of the first control coil branch road of control coil control of the second control coil branch road intermediate relay
Contact so that the control coil of the dry-circuit relay of the first control coil branch road charges, and then controls the touching of dry-circuit relay
Point further improves vehicle security to realize the control to high voltage supply, and the technology maturation of relay.
Detailed description of the invention
Fig. 1 is the circuit connection diagram of the utility model electric car power supply system；
In figure: 1 be control module, 2 be entire car controller, 3 be high-voltage interlocking detection route, 4 be electric machine controller socket,
5 it is PTC socket, 6 be electric air-conditioning socket, 7 be quick charge socket, 8 be slow charging socket, 9 be DC/DC socket, 10 is
Electric air-conditioning compressor socket, 11 be electric power steering socket, 12 be spare socket, 13 be general supply socket, 14 be first
Dry-circuit relay, 15 be the second dry-circuit relay, 16 be intermediate relay.
Specific embodiment
Electric car power supply system embodiment:
The present embodiment proposes a kind of electric car power supply system (hereinafter referred to as power supply system), the power supply system as shown in Figure 1
System includes high-voltage interlocking detection device, power battery and the power-supply system for being used to export electric energy being connected with power battery.
High-voltage interlocking detection device includes high-voltage interlocking detection route 3, first control unit, the second control unit and main line
Control switch, main line control switch string are located in the power-supply system of power battery, the detection signal output end of first control unit
The detection signal input part of high-voltage interlocking detection route 3 is connected, high-voltage interlocking detects the detection signal output end connection the of route 3
The detection signal input part of two control units, the control signal output control connection main line control switch of the second control unit,
First control unit and the second control unit communication connection.
High-voltage interlocking detection route 3 for connecting each connection socket, can detecte each connection socket whether fall off and
Whether it is seated, string is equipped with the electric machine controller socket 4 for connecting electric machine controller, use on high-voltage interlocking detection route 3
It is connect in the PTC socket 5 of connection ptc heater, the electric air-conditioning socket 6 for connecting electric air-conditioning, for connecting quick charge
Quick charge socket 7, the slow charging socket 8 for connecting slow charging interface, the DC/DC for connecting DC/DC of mouth are inserted
Seat 9, electric air-conditioning compressor socket 10, the electricity for connecting electric power steering apparatus for connecting electric air-conditioning compressor
Dynamic power-assisted steering socket 11, the general supply socket 13 for spare spare socket 12 and for connecting general supply are therefore, high
Pressure interlocking detection route 3 be include electric machine controller, ptc heater, electric air-conditioning, quick charge interface, slow charging interface,
The concatenated connection plug-in unit interlocking line of DC/DC, electric air-conditioning compressor, electric power steering apparatus, spare and general supply.
In the present embodiment, first control unit is entire car controller 2, and the second control unit is control module 1, full-vehicle control
Device 2 and control module 1 are communication connections, and control module 1 can learn signal transmitted by entire car controller 2, and then control
Received signal is compared module 1 with the signal of transmission.In the power supply system course of work, entire car controller 2 is used for
Pulse signal is sent, pulse signal detects route 3 by high-voltage interlocking and received by control module 1, if control module 1 does not receive
When to pulse signal or received pulse signal and the not identical pulse signal of transmission, then show that high-voltage interlocking detects route 3
Faulty or connection socket has the place not being seated or entire car controller 2 to break down, and control module 1 controls main line control
Switch disconnects, and cuts off the output of power battery, guarantees safety.As other embodiments, first control unit can also be with
It is other control modules, only directly can further saves space using entire car controller 2.
In order to realize the automation of main line control switch, main line control switch is the contact of dry-circuit relay, and is normal
Closed contact controls normally-closed contact by the control coil of dry-circuit relay and disconnects, and the control coil setting of dry-circuit relay is the
One control coil branch road, the first control coil branch road string are equipped with the contact (normally opened contact) of intermediate relay 16, the first control
One end of path of winding processed connects a 12V voltage source, and the other end is hanging (showing as low level).The control of intermediate relay 16
Coil string is located at the second control coil branch road, and the control signal of one end link control module 1 of the second control coil branch is defeated
Outlet, the other end connect above-mentioned voltage source.In the present embodiment, the first control coil branch include the first branch path of control coil and
The second branch path of control coil, dry-circuit relay include the first dry-circuit relay 14 and the second dry-circuit relay 15, the first main line
The contact of relay 14 and the second dry-circuit relay 15 is all normally-closed contact.It is dry to be equipped with first for string in the first branch path of control coil
The control coil of road relay 14, string is equipped with the control coil of the second dry-circuit relay 15, control in the second branch path of control coil
One end of the second branch path of one end and control coil of the first branch path of coil processed is all vacant state, the first branch of control coil
The other end on road is connected with the other end of the second branch path of control coil, and the contact of the contact and intermediate relay 16 after connection
Series connection.In order to ensure control module 1 can cut off the output of power battery when breaking down, by the first dry-circuit relay 14 and the
The contact of two dry-circuit relays 15 is separately positioned in power battery positive and negative anodes circuit.Certainly, it as other embodiments, only sets
A branch path is set, a dry-circuit relay is also possible.
The course of work of the power supply system are as follows: power battery is inserted by general supply socket 13, electric machine controller socket 4, PTC
Seat 5, slow charging socket 8, DC/DC socket 9, electric air-conditioning compressor socket 10, electric power steering socket 11 and electronic
Air conditioner socket 6 and quick charge socket 7 to electric machine controller, ptc heater, electric air-conditioning, DC/DC, electric air-conditioning compressor,
Electric power steering apparatus power supply and the gentle charging battery of realization quick charge, meanwhile, entire car controller 2 sends pulse letter in real time
Number, pulse signal detects route 3 by high-voltage interlocking and is received by control module 1, if high-voltage interlocking detection route 3 connected its
In one or several sockets be not seated, fall off or entire car controller 2 break down when, high-voltage interlocking detect route 3 output end
There is no the pulse signal control module 1 of signal perhaps output error not receive signal or receive to believe with the pulse sent
Number not identical, control module 1 controls low level signal output, and 12V voltage source is high level, the at this time control of intermediate relay 16
Coil electrification, the contact closure of intermediate relay 16, the control coil of the first dry-circuit relay 14 and the second dry-circuit relay 15
The contact of electrification, the first dry-circuit relay 14 and the second dry-circuit relay 15 is opened, cutting power battery output.
This power supply system is multiple functional, has versatility, meets the requirement of different types of electric car, reduces
Research and development cost shortens the R&D cycle.
High-voltage interlocking detection device embodiment:
The structure composition of high-voltage interlocking detection device, connection relationship in above-mentioned electric car power supply system embodiment
It is discussed in detail, is not described herein.
Electric car embodiment:
Electric car includes electric car car body and electric car power supply system, the structure about electric car power supply system
Composition, connection relationship and the course of work have been discussed in detail in above-mentioned electric car power supply system embodiment, do not do here
It repeats.
Claims (6)
1. a kind of high-voltage interlocking detection device, including high-voltage interlocking detect route, which is characterized in that further include the first control list
Member, the second control unit and for go here and there the main line control switch being located in the power-supply system of power battery, first control is singly
The detection signal output end of member connects the detection signal input part of the high-voltage interlocking detection route, the high-voltage interlocking detection line
The detection signal output end on road connects the detection signal input part of second control unit, the control of second control unit
Signal output end control connects the main line control switch；First control unit and the second control unit communication connection.
2. high-voltage interlocking detection device according to claim 1, which is characterized in that the main line control switch be main line after
The contact of electric appliance, the control coil string of dry-circuit relay are located at the first control coil branch on the road, and the one of the first control coil branch
End connection voltage source, the first control coil branch road string are equipped with the contact of intermediate relay, the control coil string of intermediate relay
It is located at the second control coil branch road, one end of the second control coil branch connects the control signal output of the second control unit
End, the other end connect the voltage source.
3. a kind of electric car power supply system, including high-voltage interlocking detection device, power battery and the use being connected with power battery
In the power-supply system of output electric energy, the high-voltage interlocking detection device includes high-voltage interlocking detection route, which is characterized in that described
High-voltage interlocking detection device further includes first control unit, the second control unit and for going here and there the power-supply system for being located at power battery
On main line control switch, the detection signal output end of the first control unit connects the inspection of high-voltage interlocking detection route
Signal input part is surveyed, the detection signal output end of the high-voltage interlocking detection route connects the detection letter of second control unit
The control signal output control of number input terminal, second control unit connects the main line control switch；First control is single
Member and the second control unit communication connection.
4. electric car power supply system according to claim 3, which is characterized in that the main line control switch be main line after
The contact of electric appliance, the control coil string of dry-circuit relay are located at the first control coil branch on the road, and the one of the first control coil branch
End connection voltage source, the first control coil branch road string are equipped with the contact of intermediate relay, the control coil string of intermediate relay
It is located at the second control coil branch road, one end of the second control coil branch connects the control signal output of the second control unit
End, the other end connect the voltage source.
5. a kind of electric car, including electric car car body further include electric car power supply system, electric car power supply system
System includes high-voltage interlocking detection device, power battery and the power-supply system for being used to export electric energy being connected with power battery, described
High-voltage interlocking detection device includes high-voltage interlocking detection route, which is characterized in that the high-voltage interlocking detection device further includes the
One control unit, the second control unit and for going here and there the main line control switch being located in the power-supply system of power battery, described
The detection signal output end of one control unit connects the detection signal input part of the high-voltage interlocking detection route, and the high pressure is mutual
The detection signal output end of lock detection route connects the detection signal input part of second control unit, and second control is single
The control signal output control of member connects the main line control switch；First control unit and the communication of the second control unit connect
It connects.
6. electric car according to claim 5, which is characterized in that the main line control switch is the touching of dry-circuit relay
Point, the control coil string of dry-circuit relay are located at the first control coil branch road, and one end of the first control coil branch connects electricity
Potential source, the first control coil branch road string are equipped with the contact of intermediate relay, and the control coil string of intermediate relay is located at second
Control coil branch road, one end of the second control coil branch connect the control signal output of the second control unit, the other end
Connect the voltage source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114256.3U CN209700404U (en) | 2019-01-23 | 2019-01-23 | A kind of high-voltage interlocking detection device, electric car power supply system and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114256.3U CN209700404U (en) | 2019-01-23 | 2019-01-23 | A kind of high-voltage interlocking detection device, electric car power supply system and electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209700404U true CN209700404U (en) | 2019-11-29 |
Family
ID=68641226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920114256.3U Expired - Fee Related CN209700404U (en) | 2019-01-23 | 2019-01-23 | A kind of high-voltage interlocking detection device, electric car power supply system and electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209700404U (en) |
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2019
- 2019-01-23 CN CN201920114256.3U patent/CN209700404U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |