CN208530301U - A kind of control device of high-voltage relay - Google Patents
A kind of control device of high-voltage relay Download PDFInfo
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- CN208530301U CN208530301U CN201820607163.XU CN201820607163U CN208530301U CN 208530301 U CN208530301 U CN 208530301U CN 201820607163 U CN201820607163 U CN 201820607163U CN 208530301 U CN208530301 U CN 208530301U
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- voltage relay
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Abstract
The utility model relates to field of electronics, propose a kind of control device of high-voltage relay, and described device includes: power module, BMS main control module, high-voltage relay, full-vehicle control module and safety air sac controller.The power module connects BMS main control module.The BMS main control module includes relay driving power supply, often electric input interface, wake-up interface and collision input interface.The relay driving power supply connects high-voltage relay.The wake-up interface and relay driving power supply of the full-vehicle control module connection BMS main control module, the full-vehicle control module connecting safety air bag controller.The collision input interface of the safety air sac controller connection BMS main control module.The utility model, when colliding generation, realizes the multiple power-off protection of high-voltage relay, improves the safety of vehicle by changing the powering mode of high-voltage relay and connecting safety air sac controller with main control module.
Description
Technical field
The utility model relates to field of electronics more particularly to a kind of control devices of high-voltage relay.
Background technique
New-energy automobile is because its energy consumption is small, the level of resources utilization is high and pollutes small and obtains great concern.Its
In, electric car has become one of the important development direction of new-energy automobile development.For electric car, power electric
Pond be its important composed structure, and battery management system then play monitoring battery status, troubleshooting and early warning, charge and discharge and
The effect of thermal balance management etc. guarantees that power battery can operate normally.
Since power battery all works under hyperbaric environment, once more serious collision, high-voltage relay occurs in driving
If disconnecting in time, more serious accident will cause.Therefore under existing technical solution, batteries of electric automobile pipe
The high-voltage relay control of reason has become one of an important factor for influencing vehicle security.
Among existing electric framework, the control of the relay of battery management system be usually a kind of normal electricity power supply and
The scheme of one wake source, high-voltage relay obtain the normal electricity input of a 12V/24V, give high-voltage relay continued power.This
Safety of the kind scheme for entire battery pack, especially for the controllability of the cutting electricity in collision of this high-voltage relay control
There can be bigger challenge, when colliding, often electricity input will not disconnect immediately, still power to high-voltage relay.
In addition, among existing electric framework, when colliding, safety air sac controller meeting input signal to electricity
In the management system of pond, at the time of colliding generation, it is that comparison is slow that BMS main control module, which executes and disconnects the operational order of high-voltage relay,
Slow, do not have preferable real-time, and when the generation of whole system crash behavior, the path to high pressure cut-off is relatively
Single.
Utility model content
The technical problems to be solved in the utility model be collision alarm be input to high-voltage relay disconnection have the problem of delay
And often electricity inputs to high-voltage relay and powers so that the low problem of the cutting electricity in collision controllability of high-voltage relay.In order to solve
The above problem, the utility model proposes a kind of control device of high-voltage relay, the utility model is specifically with following technology
What scheme was realized:
The utility model proposes a kind of control device of high-voltage relay, described device includes: power module, BMS master
Control module, high-voltage relay, full-vehicle control module and safety air sac controller；
The power module connects BMS main control module；
The BMS main control module includes relay driving power supply, and the relay driving power supply connects high-voltage relay；
The BMS main control module connects full-vehicle control module, the full-vehicle control module connecting safety air bag controller；
The safety air sac controller connects BMS main control module.
In entire circuit, power module connects BMS main control module, and providing 12V/24V for BMS main control module, often electricity is defeated
Enter, the BMS main control module connection high-voltage relay, full-vehicle control module and safety air sac controller, BMS main control module are used for
The signal input of full-vehicle control module and safety air sac controller is received, and controls the on-off of high-voltage relay.
The high-voltage relay includes total negative relay, preliminary filling relay and total positive relay.The high-voltage relay by
Resistance and switch are constituted, and one end ground connection of the resistance switchs in parallel with a resistor.
The entire car controller inputs wake-up signal to BMS main control module, and the BMS main control module is for waking up BMS master
Module is controlled, so that BMS main control module is started to work, while the wake-up signal of full-vehicle control module input is as relay driving electricity
The power supply signal in source provides power supply support for relay driving.
The safety air sac controller is connected with full-vehicle control module, and the safety air sac controller occurs serious in vehicle
When collision, air bag can be opened and issue collision alarm, the collision alarm is transferred to full-vehicle control module and BMS master control mould
In block.
Further, the BMS main control module further includes normal electric input interface, wakes up interface and collision input interface.
Further, the full-vehicle control module has signal output port, the signal output port and BMS master control mould
The wake-up interface of block connects, and the signal output port is connect with the relay driving power supply of BMS main control module.The vehicle control
Molding block output all the way CPSR signal, this road CPSR signal can not only be used for the wake-up signal of BMS main control module, and can be used as after
The power supply signal of electrical equipment drive power supply.When colliding, after the full-vehicle control module obtains collision alarm, that is, pass through cutting
CPSR signal, the power supply signal of cutoff high relay.
Further, the safety air sac controller has collision output interface, and the collision output interface connects BMS master
Control the collision input interface of module.The safety air sac controller directly inputs collision alarm to BMS main control module.It collides
When, BMS main control module directly obtains collision alarm from safety air sac controller, so as to soon disconnect high-voltage relay
Device has good real-time.
Further, the normal electric input interface of the power module connection.The power module provides for BMS main control module
12V/24V often electricity input
Further, the full-vehicle control module is connected with safety air sac controller by CAN bus.The air bag
Controller has CAN interface, and the entire car controller has CAN interface, and the CAN interface connection of the safety air sac controller is whole
The CAN interface of vehicle controller.The airbag control module transmission collision alarm is into full-vehicle control module.
Further, the high-voltage relay includes total positive relay, total negative relay and preliminary filling relay.
By adopting the above technical scheme, the control device of a kind of high-voltage relay described in the utility model, have has as follows
Beneficial effect:
1) the utility model is powered using full-vehicle control module input power signal to high-voltage relay, while this road power supply
Signal is also used as wake-up signal to be input in BMS main control module, when colliding, after full-vehicle control module obtains collision alarm
It disconnects to the power supply of high-voltage relay, improves the controllability of high-voltage relay cutting electricity in collision；
2) safety air sac controller is connect by the utility model with BMS main control module, safety air sac controller input collision
Signal is to BMS main control module, and when colliding, BMS main control module can obtain collision alarm in time, disconnects high-voltage relay,
The real-time that high-voltage relay disconnects when improving collision；
3) the utility model is by changing the powering mode of high-voltage relay and by safety air sac controller and master control mould
The mode of block connection when colliding generation, can have the path of one or more to disconnect high voltage control, improve the safety of vehicle
Property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the control device of high-voltage relay provided by the embodiment of the utility model；
Fig. 2 is that a kind of signal of control device of high-voltage relay provided by the embodiment of the utility model transmits schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
A kind of control device of high-voltage relay is provided in the utility model embodiment, as shown in Figure 1, the circuit packet
Include power module, BMS main control module (battery management system main control module), high-voltage relay, full-vehicle control module and substitute
Capsule controller.
In entire circuit, power module connects BMS main control module (battery management system main control module), is BMS master control
Module (battery management system main control module) provides 12V/24V often electricity input, BMS main control module (the battery management system master
Control module) connection high-voltage relay, full-vehicle control module and safety air sac controller, BMS main control module (battery management system master
Control module) for receiving the signal input of full-vehicle control module and safety air sac controller, and control the on-off of high-voltage relay.
The high-voltage relay includes total negative relay, preliminary filling relay and total positive relay.The high-voltage relay by
Resistance and switch are constituted, and one end ground connection of the resistance switchs in parallel with a resistor.
The entire car controller inputs wake-up signal to BMS main control module (battery management system main control module), the BMS
Main control module (battery management system main control module) is used to wake up BMS main control module (battery management system main control module), so that
BMS main control module is started to work (battery management system main control module), while the wake-up signal conduct of full-vehicle control module input
The power supply signal of relay driving power supply provides power supply support for relay driving.
The safety air sac controller is connected with full-vehicle control module, and the safety air sac controller occurs serious in vehicle
When collision, air bag can be opened and issue collision alarm, the collision alarm is transferred to full-vehicle control module and BMS master control mould
In block (battery management system main control module).
Further, the BMS main control module (battery management system main control module), i.e. battery management system master control mould
Block, including wake up interface, collision input interface, often electric input interface and relay driving power supply.
The full-vehicle control module includes signal output port, the signal output port and BMS main control module (cell tube
Manage main system control module) the connection of wake-up interface, the signal output port and (the battery management system master control of BMS main control module
Module) relay driving power supply connection.
The collision input of safety air sac controller connection BMS main control module (battery management system main control module) connects
Mouthful.
The normal electric input interface of power module connection.
The safety air sac controller further includes CAN interface, and the CAN interface connects full-vehicle control module.Full-vehicle control
Module is connect with airbag control module by CAN bus.
The high-voltage relay connects relay driving power supply.The high-voltage relay obtains relay driving power supply transmission
Power supply signal, be able to carry out control function.The relay driving power supply obtains the electricity of high level out of full-vehicle control module
Source signal.The power supply signal and full-vehicle control module of the high level are input to BMS main control module (battery management system master control mould
Block) in wake-up signal be identical.
Specifically, as shown in Figure 2.Full-vehicle control module can export CPSR signal all the way, and the CPSR posts for program state
Storage, the CPSR signal are wake-up signal, and the wake-up for being input to BMS main control module (battery management system main control module) connects
Mouthful, while the CPSR signal is also used as power input into relay driving power supply, provides power supply for high-voltage relay.The letter
It number be then for BMS main control module (battery management system main control module) is both wake source and the driving of high-voltage relay
Power supply, after vehicle powers on, entire car controller can export CPSR signal all the way, and the level that the CPSR signal is 12V high drives
Dynamic signal gives BMS main control module (battery management system main control module), after this main control module has detected the signal, Ji Kejin
Enter to wake-up states, while the road power supply can drive for high-voltage relay and provide power supply support.
Safety air sac controller externally exports two-way output signal, respectively CAN communication output and all the way rigid line letter all the way
Number output.The CAN interface of safety air sac controller is attached with full-vehicle control module, and CAN communication output can be input to
In full-vehicle control module, and safety air sac controller can be touched with BMS main control module (battery management system main control module) simultaneously
Input interface connection is hit, and the hard signal exported as PWM wave, the PWM wave signal, that is, pulse width modulating signal are being sent out
It is input in BMS main control module (battery management system main control module) when raw collision as collision input signal.When colliding
When, full-vehicle control module detects collision by CAN communication, and can be by CPSR signal cut, while air bag control
Device processed gives BMS main control module (battery management system main control module) PWM wave signal all the way, BMS main control module by hard-wire transfer
(battery management system main control module) carries out the rupturing operation control of high-voltage relay.When colliding, entire car controller is received
To CAN signal, collision is confirmed, cutting wake-up signal has cut off the power supply signal of high-voltage relay, and BMS main control module
(battery management system main control module) also can receive at the first time collision input signal, disconnect high-voltage relay, realize
When colliding, the multiple power-off protection of high-voltage relay.
The utility model is controlled by the way that wake-up signal to be used as to the power supply signal of high-voltage relay simultaneously in air bag
Hard-wire transfer is set on device, collision alarm is transmitted directly in BMS main control module (battery management system main control module).When touching
When hitting generation, collision alarm can be transferred to entire car controller from safety air sac controller, and entire car controller is cut off the power signal,
And collision alarm can also be transmitted directly to BMS main control module (battery management system main control module) from safety air sac controller
In, BMS main control module (battery management system main control module) can disconnect high-voltage relay in time, therefore can be realized and colliding
The multiple power-off protection of high-voltage relay, improves the safety of battery management system when generation.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of control device of high-voltage relay, which is characterized in that described device include: power module, BMS main control module,
High-voltage relay, full-vehicle control module and safety air sac controller；
The power module connects BMS main control module；
The BMS main control module includes relay driving power supply, and the relay driving power supply connects high-voltage relay；
The BMS main control module connects full-vehicle control module, the full-vehicle control module connecting safety air bag controller；
The safety air sac controller connects BMS main control module.
2. a kind of control device of high-voltage relay according to claim 1, which is characterized in that the BMS main control module
Further include normal electric input interface, wake up interface and collision input interface.
3. a kind of control device of high-voltage relay according to claim 2, which is characterized in that the full-vehicle control module
With signal output port, the signal output port is connect with the wake-up interface of BMS main control module.
4. a kind of control device of high-voltage relay according to claim 3, which is characterized in that the full-vehicle control module
Signal output port connect with the relay driving power supply of BMS main control module.
5. a kind of control device of high-voltage relay according to claim 2, which is characterized in that the air bag control
Device has collision output interface.
6. a kind of control device of high-voltage relay according to claim 5, which is characterized in that the collision output interface
Connect the collision input interface of BMS main control module.
7. a kind of control device of high-voltage relay according to claim 2, which is characterized in that the power module connection
The normal electric input interface of BMS main control module.
8. a kind of control device of high-voltage relay according to claim 1, which is characterized in that the air bag control
Device has CAN interface, and the full-vehicle control module has CAN interface, and the CAN interface of the safety air sac controller connects vehicle
The CAN interface of control module.
9. a kind of control device of high-voltage relay according to claim 1, which is characterized in that the high-voltage relay packet
Include total positive relay, total negative relay and preliminary filling relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820607163.XU CN208530301U (en) | 2018-04-25 | 2018-04-25 | A kind of control device of high-voltage relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820607163.XU CN208530301U (en) | 2018-04-25 | 2018-04-25 | A kind of control device of high-voltage relay |
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| Publication Number | Publication Date |
|---|---|
| CN208530301U true CN208530301U (en) | 2019-02-22 |
Family
ID=65396061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820607163.XU Active CN208530301U (en) | 2018-04-25 | 2018-04-25 | A kind of control device of high-voltage relay |
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| CN (1) | CN208530301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843533A (en) * | 2019-11-29 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | High-voltage power supply control circuit and device and pure electric vehicle |
| CN111731215A (en) * | 2020-08-03 | 2020-10-02 | 延锋伟世通电子科技（南京）有限公司 | New energy automobile collision protection fast response circuit |
-
2018
- 2018-04-25 CN CN201820607163.XU patent/CN208530301U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843533A (en) * | 2019-11-29 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | High-voltage power supply control circuit and device and pure electric vehicle |
| CN111731215A (en) * | 2020-08-03 | 2020-10-02 | 延锋伟世通电子科技（南京）有限公司 | New energy automobile collision protection fast response circuit |
| CN111731215B (en) * | 2020-08-03 | 2021-01-05 | 延锋伟世通电子科技（南京）有限公司 | New energy automobile collision protection fast response circuit |
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