CN205417198U - Hybrid vehicle high pressure interlock control circuit - Google Patents
Hybrid vehicle high pressure interlock control circuit Download PDFInfo
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- CN205417198U CN205417198U CN201620249584.0U CN201620249584U CN205417198U CN 205417198 U CN205417198 U CN 205417198U CN 201620249584 U CN201620249584 U CN 201620249584U CN 205417198 U CN205417198 U CN 205417198U
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Abstract
The utility model relates to a hybrid vehicle high pressure interlock control circuit passes through high voltage connector through the hybrid module and is connected with group battery three -phase high -voltage line to the hybrid the control unit module respectively with high voltage connector, hybrid module, lithium cell control module the high pressure interlocking signal generation module reach high pressure interlocking signal aassessment module signal connection, and high -pressure interlocking signal generation module connects into high -pressure interlocking signal circuit return circuit with high voltage connector, lithium cell control module, hybrid the control unit module input port and high -pressure interlocking signal aassessment module through hybrid the control unit module output port in proper order, through the mode that software and hardware combined together, through controlling high -voltage circuit powering up and down, effective response is surveyed and made to the vehicle when breaking down, ensure high -voltage circuit safe and reliable.
Description
Technical field
This utility model belongs to automotive control circuit technical field, particularly relates to a kind of hybrid vehicle high-voltage interlocking control circuit.
Background technology
Along with expanding economy, the energy and environmental issue become increasingly conspicuous, countries in the world have all turned one's attention to environmental protection and energy-conservation electric automobile.For orthodox car, one important feature of electric automobile is just equipped with can guarantee that the high-pressure system of enough power performance, includes the high voltage components such as charging system, distribution system (high-voltage connection box), energy-storage system (electrokinetic cell), drive system (driving motor), air conditioning system (motor compressor and PTC).
The high-tension electricity injury hidden danger that electric automobile exists is different from orthodox car completely, and it is up to the voltage of more than 300V and is likely to be breached the electric current of tens of the most hundreds of amperes and tests the use safety of on-board high-voltage electrical appliance at any time.Consideration based on safety factors, hybrid electric vehicle high-pressure system all uses high-voltage interlocking (HVIL) scheme to protect vehicle high-voltage system.
Existing pure electric automobile and the many employings of hybrid vehicle following high-voltage interlocking scheme.HVIL loop design is as shown in Figure 1.Solid line in figure represents the power line of 12V lead-acid battery, and dotted line is HVIL monitoring loop line.As shown in Figure 1, whole HVIL monitoring loop is initiated by entire car controller.
The HVEnable pin of entire car controller is directly connected to low-voltage relay and controls end, the negative pole of three high-voltage relays (main positive relay, main negative relay and pre-charge-relay) within electrokinetic cell is connected to after all high-tension connectors, the i.e. end of HVIL loop, so at some in particular cases, entire car controller can directly disconnect three high-voltage relays of inside battery by controlling HVIL loop thus cut off whole high tension loop.When each control unit of entire car controller and high tension loop detects normal, after can working on power, vehicle control unit controls low-voltage relay closing, 12V low-tension supply is connected by KL30, and three relay Guan Bis within battery case, whole high tension loop is connected.
If low-voltage relay sticks together, entire car controller then can only pass through LBC (lithium battery management system) and indirectly disconnect relay, cannot directly disconnect high tension loop, the place one's entire reliance upon reliability and stability of LBC of the security protection of the high tension loop under HEV vehicle trouble pattern ensure in this case.
The 12V driving voltage that existing scheme comes from low-voltage relay, after different high pressure component connectors, the problem of pressure drop of various degrees.When having arrived the HVCU of HVIL loop end, high-voltage interlocking loop voltage ＜ 12V.Can there is erroneous judgement with voltage signal pressure drop in the accuracy of detection of entire car controller, entire car controller can cutoff high export, and there is power interruption risk.
Utility model content
The purpose of this utility model is to provide a kind of high-tension electricity and uses the control circuit of safety, by this control circuit and corresponding control strategy, when requiring high-tension circuit in the request of opening, turn-off request or running into fault, entire car controller can reasonably realize the break-make to high voltage power supply and control.
This utility model is achieved through the following technical solutions:
A kind of hybrid vehicle high-voltage interlocking control circuit, including hybrid power control unit module, high-tension connector, hybrid power module, lithium battery control module, high-voltage interlocking signal generation module, high-voltage interlocking signal evaluation module；
Described hybrid power control unit module is connected with described high-tension connector, described hybrid power module, described lithium battery control module, described high-voltage interlocking signal generation module and described high-voltage interlocking signal evaluation module by signal respectively；
Described hybrid power module is connected with set of cells three-phase high-voltage electric wire by described high-tension connector；Described lithium battery control module is connected by wire with described high-tension connector；
Described high-voltage interlocking signal generation module and described high-voltage interlocking signal evaluation module may be contained within described hybrid power control unit module；
Described high-voltage interlocking signal generation module connects into high-voltage interlocking signal circuit loop with described high-tension connector, described lithium battery control module, described hybrid power control unit module input mouth and described high-voltage interlocking signal evaluation module successively by described hybrid power control unit module output port.
Further, high-voltage connector is also included；In described high-voltage connector grafting and described hybrid power control unit module；Described high-voltage interlocking signal generation module is arranged in described high-voltage connector.
Further, service switch is also included；Described service switch is arranged in described lithium battery control module；Described high-voltage interlocking signal circuit loop is through described service switch.
Further, Air-condition system control module is also included；Described Air-condition system control module is connected by wire with described high-tension connector；
Described Air-condition system control module is connected with described hybrid power control unit module by signal；
Described high-voltage interlocking signal circuit loop is through described Air-condition system control module.
Further, also include on the described high-voltage interlocking signal circuit loop that divider resistance, described divider resistance are arranged between described lithium battery control module and described Air-condition system control module.
Described hybrid power module includes double mass flywheel, clutch, motor, motor driver and drive and control of electric machine module；Described set of cells three-phase high-voltage electric wire is connected with described motor driver.
Described high-tension connector includes motor high-tension connector, lithium battery high-tension connector and air conditioning system high-tension connector；
Described motor high-tension connector is connected with described set of cells three-phase high-voltage electric wire；Described lithium battery high-tension connector is connected by wire with described lithium battery control module；Described air conditioning system high-tension connector is connected by wire with described Air-condition system control module.
The beneficial effects of the utility model are:
The application is connected with set of cells three-phase high-voltage electric wire by high-tension connector by hybrid power module, and hybrid power control unit module is connected with high-tension connector, hybrid power module, lithium battery control module, described high-voltage interlocking signal generation module and described high-voltage interlocking signal evaluation module by signal respectively；And high-voltage interlocking signal generation module connects into high-voltage interlocking signal circuit loop with high-tension connector, lithium battery control module, hybrid power control unit module input mouth and high-voltage interlocking signal evaluation module successively by hybrid power control unit module output port；By the way of software combines with hardware, by high-tension circuit power-on and power-off are controlled, detect when vehicle is broken down and make significant response, it is ensured that high-tension circuit is safe and reliable.
Accompanying drawing explanation
Fig. 1 is the high-voltage interlocking signal control circuit schematic diagram of existing technology；
Fig. 2 is this utility model high-voltage interlocking signal control circuit schematic diagram.
Description of reference numerals
1 hybrid power control unit module, 2 high-tension connectors, 3 hybrid power modules, 4 lithium battery control modules, 5 service switch, 6 Air-condition system control modules, 7 divider resistances, 21 air conditioning system high-tension connectors, 22 lithium battery high-tension connectors, 23 motor high-tension connectors, 31 motor drivers, 32 drive and control of electric machine modules, 33 motors, 34 clutches, 35 double mass flywheels.
Specific embodiment
Describing the technical solution of the utility model by the following examples in detail, below example is only exemplary, is only capable of for explaining and illustrate the technical solution of the utility model, and is not to be construed as the restriction to technical solutions of the utility model.
This utility model provides a kind of hybrid vehicle high-voltage interlocking control circuit, as in figure 2 it is shown, include hybrid power control unit module 1, high-tension connector 2, hybrid power module 3, Air-condition system control module 6, lithium battery control module 4, high-voltage interlocking signal generation module, high-voltage interlocking signal evaluation module.
In fig. 2, dotted line represents high-tension bus-bar, it is achieved represent high-voltage interlocking holding wire.
Described hybrid power control unit module 1 is connected with described high-tension connector 2, described hybrid power module 3, described lithium battery control module 4, described Air-condition system control module 6, described high-voltage interlocking signal generation module and described high-voltage interlocking signal evaluation module by signal respectively.
High-tension connector 2 includes motor high-tension connector 23, lithium battery high-tension connector 22 and air conditioning system high-tension connector 21.
Described hybrid power module 3 includes double mass flywheel 35, clutch 34, motor 33, motor driver 31 and drive and control of electric machine module 32.
One end of set of cells three-phase high-voltage electric wire connects motor driver 31, and the other end connects motor high-tension connector 23；Described lithium battery control module 4 is connected by two phase conductors with lithium battery high-tension connector 22；Air conditioning system high-tension connector 21 is connected by two phase conductors with Air-condition system control module 6.
Described high-voltage interlocking signal generation module and described high-voltage interlocking signal evaluation module may be contained within described hybrid power control unit module；In the present embodiment, high-voltage connector is also included；In described high-voltage connector grafting and described hybrid power control unit module；Described high-voltage interlocking signal generation module is arranged in described high-voltage connector.
The present embodiment also includes service switch 5；Described service switch 5 is arranged in described lithium battery control module 4；Described high-voltage interlocking signal circuit loop is through described service switch.
Described high-voltage interlocking signal generation module connects into high-voltage interlocking signal circuit loop with air conditioning system high-tension connector 21, described lithium battery control module 4, Air-condition system control module 6, described hybrid power control unit module input mouth and described high-voltage interlocking signal evaluation module successively by described hybrid power control unit module output port.
The present embodiment also includes on the described high-voltage interlocking signal circuit loop that divider resistance 7, described divider resistance 7 are arranged between described lithium battery control module 4 and described Air-condition system control module 6.
The present embodiment generates high-voltage interlocking signal by the high-voltage interlocking signal generation module being arranged in hybrid power control unit module；The high-voltage interlocking signal value behind high-voltage interlocking signal circuit loop is assessed by high-voltage interlocking signal evaluation module.
In the present embodiment, high-voltage interlocking signal generation module is arranged in high-voltage connector, when high-voltage connector being inserted in hybrid power control unit module, high-voltage interlocking signal circuit loop is in the conduction state, when being transferred to from hybrid power control unit module by high-voltage connector, high-voltage interlocking signal circuit loop is off.
Meanwhile, the disconnection of service switch also is able to cause high-voltage interlocking signal circuit loop to be off, and realizes providing double protection to car load high-voltage safety by service switch and high-voltage connector.
When high-voltage interlocking signal circuit loop is in the conduction state, hybrid power control unit module controls high-voltage interlocking signal and sends a high level high-voltage interlocking signal, this high level high-voltage interlocking signal returns to high-voltage interlocking signal evaluation module by high-voltage interlocking signal circuit, by high-voltage interlocking signal evaluation module, this high level high-voltage interlocking signal is estimated, if assessment result meets requires (high level high-voltage interlocking signal fluctuation scope meets preset value), and other high-voltage safety loop signal also meets if requirement (such as fuse does not disconnects), the most now meet high pressure power-up conditions, car load realizes high pressure according to driver command and powers on.If after hybrid power control unit module control high-voltage interlocking signal sends a high level high-voltage interlocking signal, high-voltage interlocking signal evaluation module does not receive feedback signal, i.e. can determine whether that high-tension circuit is abnormal, hybrid power control unit module will control car load refusal high pressure power-up request.
The above is only the description of preferred implementation of utility model; should be understood that; finiteness due to literal expression; and objectively there is unlimited concrete structure; for those skilled in the art; on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a hybrid vehicle high-voltage interlocking control circuit, it is characterised in that: include hybrid power control unit module, high-tension connector, hybrid power module, lithium battery control module, high-voltage interlocking signal generation module, high-voltage interlocking signal evaluation module；
Described hybrid power control unit module is connected with described high-tension connector, described hybrid power module, described lithium battery control module, described high-voltage interlocking signal generation module and described high-voltage interlocking signal evaluation module by signal respectively；
Described hybrid power module is connected with set of cells three-phase high-voltage electric wire by described high-tension connector；Described lithium battery control module is connected by wire with described high-tension connector；
Described high-voltage interlocking signal generation module and described high-voltage interlocking signal evaluation module may be contained within described hybrid power control unit module；
Described high-voltage interlocking signal generation module connects into high-voltage interlocking signal circuit loop with described high-tension connector, described lithium battery control module, described hybrid power control unit module input mouth and described high-voltage interlocking signal evaluation module successively by described hybrid power control unit module output port.
Hybrid vehicle high-voltage interlocking control circuit the most according to claim 1, it is characterised in that: also include high-voltage connector；In described high-voltage connector grafting and described hybrid power control unit module；Described high-voltage interlocking signal generation module is arranged in described high-voltage connector.
Hybrid vehicle high-voltage interlocking control circuit the most according to claim 1, it is characterised in that: also include service switch；Described service switch is arranged in described lithium battery control module；Described high-voltage interlocking signal circuit loop is through described service switch.
Hybrid vehicle high-voltage interlocking control circuit the most according to claim 1, it is characterised in that: also include Air-condition system control module；Described Air-condition system control module is connected by wire with described high-tension connector；
Described Air-condition system control module is connected with described hybrid power control unit module by signal；
Described high-voltage interlocking signal circuit loop is through described Air-condition system control module.
Hybrid vehicle high-voltage interlocking control circuit the most according to claim 4, it is characterized in that: also include on the described high-voltage interlocking signal circuit loop that divider resistance, described divider resistance are arranged between described lithium battery control module and described Air-condition system control module.
Hybrid vehicle high-voltage interlocking control circuit the most according to claim 1, it is characterised in that: described hybrid power module includes double mass flywheel, clutch, motor, motor driver and drive and control of electric machine module；Described set of cells three-phase high-voltage electric wire is connected with described motor driver.
Hybrid vehicle high-voltage interlocking control circuit the most according to claim 4, it is characterised in that: described high-tension connector includes motor high-tension connector, lithium battery high-tension connector and air conditioning system high-tension connector；
Described motor high-tension connector is connected with described set of cells three-phase high-voltage electric wire；Described lithium battery high-tension connector is connected by wire with described lithium battery control module；Described air conditioning system high-tension connector is connected by wire with described Air-condition system control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249584.0U CN205417198U (en) | 2016-03-25 | 2016-03-25 | Hybrid vehicle high pressure interlock control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249584.0U CN205417198U (en) | 2016-03-25 | 2016-03-25 | Hybrid vehicle high pressure interlock control circuit |
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| CN205417198U true CN205417198U (en) | 2016-08-03 |
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| CN201620249584.0U Active CN205417198U (en) | 2016-03-25 | 2016-03-25 | Hybrid vehicle high pressure interlock control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693544A (en) * | 2019-01-13 | 2019-04-30 | 无锡商业职业技术学院 | A kind of electric automobile high-voltage interlocking loop |
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2016
- 2016-03-25 CN CN201620249584.0U patent/CN205417198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693544A (en) * | 2019-01-13 | 2019-04-30 | 无锡商业职业技术学院 | A kind of electric automobile high-voltage interlocking loop |
| CN109693544B (en) * | 2019-01-13 | 2023-12-08 | 无锡商业职业技术学院 | High-voltage interlocking loop of electric automobile |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |