CN113978253A - Insert and mix formula hybrid vehicle type scram device - Google Patents
Insert and mix formula hybrid vehicle type scram device Download PDFInfo
- Publication number
- CN113978253A CN113978253A CN202111118301.0A CN202111118301A CN113978253A CN 113978253 A CN113978253 A CN 113978253A CN 202111118301 A CN202111118301 A CN 202111118301A CN 113978253 A CN113978253 A CN 113978253A
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- Prior art keywords
- emergency stop
- hcu
- mcu
- power supply
- power
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- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A mixed insertion type hybrid Power vehicle type emergency stop device comprises an emergency stop switch, a KL15 Power Supply and a KL30 Power Supply which are connected, wherein the KL30 Power Supply is connected with a TCU, an OBC, a Power Supply, an EMS, a BMS and an HV Battery, the KL15 Power Supply is connected with an HCU and an MCU, the HCU comprises an HCU KL15 and an HCU KL30, and the MCU comprises an MCU KL15 and an MCU KL 30; the HCU KL15 and the MCU KL15 are connected with the emergency stop switch, and the HCU KL30 and the MCU KL30 are not controlled by the emergency stop switch; a time delay relay is arranged between the BMS and the HV Battery and the emergency stop switch; the method is characterized in that power output of the whole vehicle is cut off outside power-off processing of control units KL30 and KL15 participating in power output response, delay relay protection is added in a BMS loop, and phenomena of load power-off, high-voltage relay adhesion, pre-charging set burnout and the like caused by reverse impact of current after emergency power-off are prevented.
Description
Technical Field
The invention belongs to the technical field of vehicle emergency stop, and particularly relates to an insertion hybrid type hybrid power vehicle type emergency stop device.
Background
At present, more and more high-low voltage electrical apparatus parts are used on the automobile in each host factory, and the existing electric automobile is generally provided with an emergency power-off device to prevent the damage caused by the circuit, and the common emergency stop switch is used for firstly disconnecting the low-voltage circuit to realize the power-off of the high-voltage circuit, and the control is realized by a high-voltage relay or software in the middle, but if the condition that the power supply of the whole automobile needs the emergency power-off is met, the safe power-off of the high-voltage parts cannot be met.
The number of mixed vehicles in each host factory is increased, and various unstable conditions often occur in the early debugging process, so that the vehicles need to be powered off emergently. When the power is cut off emergently, because part of high-voltage parts are not allowed to be cut off directly, if the power is cut off forcibly, certain damage can be caused to the high-voltage parts, and the parts are failed in serious conditions.
Usually, most host factories only perform power-off treatment on the electricity of the KL30 and KL15 of the relevant controllers without delay operation, so that certain impact is generated on high-voltage parts such as BMS and the like, and the high-voltage relays are possibly adhered, the pre-charging resistors are burned out, and hardware circuits are possibly damaged; if the vehicle runs or the motor is in rotation, the power is suddenly cut off emergently, the load is cut off and the high voltage is cut off immediately under the condition that a time delay relay is not arranged, but the torque of the motor cannot be directly reduced to zero, the generated current has insufficient discharge time, the pre-charging set is broken down, and the high-voltage battery is damaged. In addition, the BMS cannot store data such as SOC and fault code.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the plug-in hybrid type hybrid electric vehicle type emergency stop device which is safe and reliable and can prevent the current from reversely impacting after emergency power failure.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a mixed insertion type hybrid Power vehicle type emergency stop device comprises an emergency stop switch, a KL15 Power Supply and a KL30 Power Supply which are connected, wherein the KL30 Power Supply is connected with a TCU, an OBC, a Power Supply, an EMS, a BMS and an HV Battery, the KL15 Power Supply is connected with an HCU and an MCU, the HCU comprises an HCU KL15 and an HCU KL30, and the MCU comprises an MCU KL15 and an MCU KL 30; the HCU KL15 and the MCU KL15 are connected with the emergency stop switch, and the HCU KL30 and the MCU KL30 are not controlled by the emergency stop switch; and a time delay relay is arranged between the BMS and the HV Battery and the emergency stop switch.
As a preferable scheme of the invention, the HCU KL30 and the MCU KL30 are always in a connected state.
As a preferable scheme of the invention, after the emergency stop switch is turned off, the TCU, the OBC, the Power Supply, the EMS, the BMS, the HV Battery, the HCU KL15 and the MCU KL15 are immediately turned off.
As a preferable aspect of the present invention, the delay relay is formed with 15 pins, 30 pins, 31 pins, 87a pins, and 87Z pins.
In a preferred embodiment of the present invention, the pins 15, 30 and 87Z are connected to KL30 power, pin 31 is connected to ground, pin 87a is connected to the power of BMS and HV Battery, and pin 87 is a dummy pin.
As a preferable scheme of the invention, the emergency stop switch is connected with a work indicator lamp.
As a preferable aspect of the present invention, the delay time of the delay control circuit is 500 ms.
Compared with the prior art, the invention has the beneficial effects that: the power output of the whole vehicle is cut off outside the power-off processing of the control units KL30 and KL15 participating in power output response, and delay relay protection is added in a BMS loop, so that the phenomena of load power cut, high-voltage relay adhesion, pre-charging set burnout and the like caused by reverse impact of current after emergency power-off are prevented.
Drawings
FIG. 1 is a schematic structural view of the invention;
fig. 2 is a schematic diagram of a time delay relay.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-2, a mixed insertion type hybrid vehicle type emergency stop device comprises an emergency stop switch, a KL15 Power Supply and a KL30 Power Supply which are connected, and is characterized in that the KL30 Power Supply is connected with a TCU, an OBC, a Power Supply, an EMS, a BMS and an HV Battery, the KL15 Power Supply is connected with a HCU and an MCU, wherein the HCU comprises a HCU KL15 and a HCU KL30, and the MCU comprises a MCU KL15 and a MCU KL 30; the HCU KL15 and the MCU KL15 are connected with the emergency stop switch, and the HCU KL30 and the MCU KL30 are not controlled by the emergency stop switch; and a time delay relay is arranged between the BMS and the HV Battery and the emergency stop switch.
The KL15 power supply and the KL30 power supply are independently arranged, the emergency stop switch is provided with three branch switches which work synchronously, and the three branch switches which work synchronously are respectively arranged on the KL15 power supply, the KL30 power supply and the work indicator lamp, so that the synchronous disconnection and connection of the KL15 power supply, the KL30 power supply and the work indicator lamp are realized.
The emergency stop switch is arranged between the KL30 Power Supply and the TCU, the OBC, the Power Supply, the EMS, the BMS and the HV Battery, and can realize the complete disconnection of the KL30 Power Supply and the TCU, the OBC, the Power Supply, the EMS, the BMS and the HV Battery under the disconnection action of the emergency stop switch.
The similar emergency stop switches are arranged between the KL15 power supply and the HCU KL15, the HCU KL30, the MCU KL15 and the MCU KL30, the HCU KL30 and the MCU KL30 are also communicated with the KL30 power supply, under the disconnection action of the emergency stop switches, the disconnection of the KL15 power supply and the HCU KL15 and the MCU KL15 can be realized, the HCU KL30 and the MCU KL30 are always communicated with the KL30 power supply, and the HCU KL30 and the MCU KL30 are ensured to be always in a connection state.
The emergency stop switch is connected with a working indicator lamp, the working indicator lamp is connected with the emergency stop switch in series, and after the emergency stop switch is pressed down, a circuit between the working indicator lamp and the emergency stop switch is closed, so that the working indicator lamp works to emit light, and the driver can conveniently recognize the light. For safety reasons, this emergency stop switch does not involve a braking system.
When the emergency stop switch works, the emergency shutdown function is started, and the TCU, the OBC, the Power Supply, the EMS, the BMS, the HV Battery, the HCU KL15 and the MCU KL15 on the KL15 Power Supply and the KL30 Power Supply are immediately disconnected; the delay time of the delay control circuit is 500ms, and after the delay time of 500ms, BMS and Battery controllers are disconnected with the power supply. To ensure the safety of the high voltage battery and the sufficient discharge time of the motor.
The delay relay is provided with 15 pins, 30 pins, 31 pins, 87a pins and 87Z pins, wherein the 15 pins, 30 pins and 87Z pins are connected with a KL30 power supply, the 31 pins are connected with a ground wire, the 87a pin is connected with BMS and HV Battery power supplies, the 87 pin is a blank pin, the delay relay starts to work after the emergency stop switch is pressed, the delay relay is disconnected after 500ms, the 87a pin loses the power supply, and therefore the BMS and the Battery controllers do not have the power supplies, and delay control of the BMS and the Battery controllers is achieved.
Wherein TCU is automatic transmission control module, OBC is on-vehicle charger, Power Supply is vehicle energizing system, EMS is engine management system, BMS is the control system of protection Power Battery safe in utilization, HV Battery is the Battery knapsack module, Battery controllers is the lithium ion Battery module, HCU is hybrid vehicle control unit, MCU is little the control unit.
When the vehicle is in a dangerous state, the danger that the primary safety function is not covered or the primary safety function is not executed properly to cause danger, when the vehicle needs emergency power-off, the BMS (battery control unit) on the vehicle is protected to disconnect the KL30 power after a certain time delay, and the protection is performed to prevent reverse current generated by the fact that the motor torque cannot be directly reduced to zero from breaking through high-voltage battery parts.
This application is applicable to the hybrid electric vehicle type, press the scram switch after, carry out the outage operation to electronic equipment and Battery in the vehicle, relate to braking system this moment, and the internal-combustion engine is still in operating condition, the vehicle is in the normal in-process that traveles, and protection power Battery safe in utilization's control system's BMS and lithium ion Battery module Battery connectors are in the on state of time delay, because protection power Battery safe in utilization's control system's BMS and lithium ion Battery module Battery connectors are high voltage Battery, the delay is closed and is guaranteed high voltage Battery's safety and the sufficient discharge time of motor, better security has, prevent that electric current reverse impact after the emergency power-off, cause the area to cut off the electricity, the adhesion of high voltage relay, phenomena such as pre-charging group burns out.
And after the emergency stop switch is pressed down, the low-voltage hybrid vehicle control unit HCU and the micro control unit MCU are cut off, the high-voltage hybrid vehicle control unit HCU and the micro control unit MCU are always in a communicated state, so that the hybrid power assembly is in a safe state, and the high-voltage hybrid vehicle control unit HCU and the micro control unit MCU are always in a communicated state to ensure the basic operation of the hybrid power assembly.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A mixed insertion type hybrid vehicle type emergency stop device comprises an emergency stop switch, a KL15 Power Supply and a KL30 Power Supply which are connected, and is characterized in that the KL30 Power Supply is connected with a TCU, an OBC, a Power Supply, an EMS, a BMS and an HV Battery, the KL15 Power Supply is connected with an HCU and an MCU, the HCU comprises an HCU KL15 and an HCU KL30, and the MCU comprises an MCU KL15 and an MCU KL 30; the HCU KL15 and the MCU KL15 are connected with the emergency stop switch, and the HCU KL30 and the MCU KL30 are not controlled by the emergency stop switch; and a time delay relay is arranged between the BMS and the HV Battery and the emergency stop switch.
2. The hybrid plug-in hybrid vehicle type emergency stop device according to claim 1, characterized in that the HCU KL30 and the MCU KL30 are always in a connected state.
3. The hybrid plug-in hybrid vehicle type emergency stop device according to claim 1, wherein after the emergency stop switch is operated, the TCU, OBC, Power Supply, EMS, BMS, HV Battery, HCU KL15 and MCU KL15 on the KL15 Power Supply and KL30 Power Supply are immediately turned off.
4. The hybrid plug-in hybrid electric vehicle type emergency stop device of claim 1, wherein the delay relay is formed with 15 pins, 30 pins, 31 pins, 87a pins and 87Z pins.
5. The scram device of claim 4, wherein the pins 15, 30 and 87Z are connected to KL30 power, 31 is connected to ground, 87a is connected to BMS and HV Battery power, and 87 is empty.
6. The hybrid plug-in hybrid electric vehicle type emergency stop device according to claim 1, wherein a work indicator lamp is connected to the emergency stop switch.
7. The scram device of claim 1, wherein the delay time of the delay control circuit is 500 ms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111118301.0A CN113978253A (en) | 2021-09-24 | 2021-09-24 | Insert and mix formula hybrid vehicle type scram device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111118301.0A CN113978253A (en) | 2021-09-24 | 2021-09-24 | Insert and mix formula hybrid vehicle type scram device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113978253A true CN113978253A (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111118301.0A Pending CN113978253A (en) | 2021-09-24 | 2021-09-24 | Insert and mix formula hybrid vehicle type scram device |
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| Country | Link |
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| CN (1) | CN113978253A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5481139A (en) * | 1993-09-20 | 1996-01-02 | Lucas; Daniel | Safety circuit breaker for vehicles |
| US5565711A (en) * | 1993-12-15 | 1996-10-15 | Kabushiki Kaisha Toshiba | Drive energy control apparatus for an electric vehicle |
| US20130116876A1 (en) * | 2010-07-09 | 2013-05-09 | V-Ens Co., Ltd. | Electric vehicle and method for controlling emergency thereof |
| CN110497796A (en) * | 2019-09-25 | 2019-11-26 | 安徽工程大学 | A kind of low-voltage power supply system and its control method of new-energy automobile |
| CN110857032A (en) * | 2018-08-24 | 2020-03-03 | 广州汽车集团股份有限公司 | Vehicle emergency power-off system and vehicle |
| CN111703336A (en) * | 2020-05-15 | 2020-09-25 | 智新科技股份有限公司 | Power-off control system and control method of fuel cell vehicle |
| CN113022313A (en) * | 2021-04-07 | 2021-06-25 | 广西柳工机械股份有限公司 | VCU power-off protection circuit, power-off control method, system and engineering machinery |
| CN213734955U (en) * | 2020-10-20 | 2021-07-20 | 海马汽车有限公司 | Emergency stop system and plug-in hybrid electric vehicle |
| CN214057249U (en) * | 2020-08-12 | 2021-08-27 | 江铃控股有限公司 | Delay power-off control system of hybrid electric vehicle |
-
2021
- 2021-09-24 CN CN202111118301.0A patent/CN113978253A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5481139A (en) * | 1993-09-20 | 1996-01-02 | Lucas; Daniel | Safety circuit breaker for vehicles |
| US5565711A (en) * | 1993-12-15 | 1996-10-15 | Kabushiki Kaisha Toshiba | Drive energy control apparatus for an electric vehicle |
| US20130116876A1 (en) * | 2010-07-09 | 2013-05-09 | V-Ens Co., Ltd. | Electric vehicle and method for controlling emergency thereof |
| CN110857032A (en) * | 2018-08-24 | 2020-03-03 | 广州汽车集团股份有限公司 | Vehicle emergency power-off system and vehicle |
| CN110497796A (en) * | 2019-09-25 | 2019-11-26 | 安徽工程大学 | A kind of low-voltage power supply system and its control method of new-energy automobile |
| CN111703336A (en) * | 2020-05-15 | 2020-09-25 | 智新科技股份有限公司 | Power-off control system and control method of fuel cell vehicle |
| CN214057249U (en) * | 2020-08-12 | 2021-08-27 | 江铃控股有限公司 | Delay power-off control system of hybrid electric vehicle |
| CN213734955U (en) * | 2020-10-20 | 2021-07-20 | 海马汽车有限公司 | Emergency stop system and plug-in hybrid electric vehicle |
| CN113022313A (en) * | 2021-04-07 | 2021-06-25 | 广西柳工机械股份有限公司 | VCU power-off protection circuit, power-off control method, system and engineering machinery |
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| PB01 | Publication | ||
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Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Applicant after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Applicant before: Hozon New Energy Automobile Co., Ltd. |