CN204323083U - Electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil - Google Patents
Electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil Download PDFInfo
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- CN204323083U CN204323083U CN201420790786.7U CN201420790786U CN204323083U CN 204323083 U CN204323083 U CN 204323083U CN 201420790786 U CN201420790786 U CN 201420790786U CN 204323083 U CN204323083 U CN 204323083U
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Abstract
The utility model provides a kind of electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil, and this mechanism comprises: entire car controller, the first low-voltage relay, impact switch, high-voltage relay, the high-voltage connector with interlocking structure, electrokinetic cell system controller; First low-voltage relay, load, high-voltage connector and electrokinetic cell system controller connect and compose high-voltage safety electrical interlocks loop successively; High-voltage safety electrical interlocks loop connects driving power by the first low-voltage relay; Entire car controller connects the control end of the first low-voltage relay, connects high-voltage safety electrical interlocks loop by high-voltage connector, and connects electrokinetic cell system controller; The drive wire of high-voltage relay is connected to driving power by impact switch, the first low-voltage relay.The utility model can prevent high-voltage relay from directly being forced to disconnect by current-carrying, avoids the out-of-control phenomenon jeopardizing personnel and vehicle to occur, improves full-vehicle control performance, improve car load reliability of operation.
Description
Technical field
The utility model relates to electronlmobil field, particularly relates to a kind of electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil.
Background technology
Usually energy-conservation higher with power cells for new energy vehicles voltage, voltage is substantially all more than or equal to 300V, according to GB " safety requirements of GBT 19751-2005 mixed power electric car " maximum voltage higher than equaling 60V (DC) or 25V (AC) (human safety voltage) is high potential, all exceed the safety voltage that human body can bear far away.Energy-conservationly usually to be interconnected by high-voltage connector with all high voltage components of new forms of energy car, consider from personal high-voltage safety protection, be necessary to do safe design to energy-conservation with the link circuit of all high voltage components of new forms of energy car, prevent intentionally artificial or get an electric shock in the process of these high voltage components of dismounting unintentionally.These high-voltage connectors are substantially all designed with high-voltage interlocking physical construction, when connector disengages to a certain degree mutually, first this interlocking structure connected in series also will be disconnected, and secondly high-voltage connector is just disconnected completely, and the high pressure connection between high tension apparatus is disconnected.
If number of patent application is the Chinese patent application of 201210408587.0, disclose a kind of high-voltage safety electrical interlocks.This high-voltage safety electrical interlocks (HVIL) scheme is exactly the functions such as the interlocking structure of the high-voltage connectors such as Appropriate application electrokinetic cell, electric air-conditioning (AC), integrated starting motor (ISG) and electric machine controller (ISG IPU), rear axis drive motor (ERAD) and electric machine controller (ERAD IPU), the high-voltage relay of electrokinetic cell system inside, crash sensor (Inertia Switch), CAN communication and VCU (OR HCU entire car controller) fault handling, launches car load security design of high voltage.While accomplishing fully to protect people, car high-voltage safety, also improve the functional reliability of whole scheme.
At present, often there is false triggering when driving in electric automobile whole high-voltage safety electrical interlocks, the high-voltage relay of battery system inside is caused to disconnect suddenly, car load high voltage component loses propulsive effort suddenly, car load is out of control-and run out of steam suddenly source, injures personal security and vehicle safety by bus.The reason of false triggering is as follows:
First, the quality of high-voltage connector mutual interlocking gear is not well controlled; Secondly, As time goes on, the contact between mutual interlocking gear is unreliable, and the loss in voltage between mutual interlocking gear increases, and cause the driving voltage of battery system internal high pressure relay not enough, high-voltage relay cannot close or disconnect suddenly; Finally that conceptual design is unreasonable, due to high-voltage interlocking mechanism-trouble, cause to lose control of one's vehicle-run out of steam suddenly source, and the situation injuring personal security and vehicle safety by bus occurs.
In sum, existing high-voltage safety electrical interlocks scheme, full-vehicle control poor performance, car load serviceability is low.
Utility model content
Based on this, be necessary for above-mentioned technical matters, a kind of controller performance is better, car load serviceability is higher electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil are provided.
A kind of electric automobile high-voltage secured electrical mutual interlocking gear, comprising: entire car controller, the first low-voltage relay, impact switch, high-voltage relay, the high-voltage connector with interlocking structure, electrokinetic cell system controller;
Described first low-voltage relay, load, described high-voltage connector and electrokinetic cell system controller connect and compose high-voltage safety electrical interlocks loop successively;
Described high-voltage safety electrical interlocks loop connects driving power by the first low-voltage relay;
Described entire car controller connects the control end of described first low-voltage relay, connects described high-voltage safety electrical interlocks loop, and connect described electrokinetic cell system controller by described high-voltage connector;
The drive wire of described high-voltage relay is connected to driving power by described impact switch, the first low-voltage relay.
Above-mentioned electric automobile high-voltage secured electrical mutual interlocking gear, entire car controller controls the connection in high-voltage safety electrical interlocks loop and driving voltage source by the first low-voltage relay, high-voltage safety electrical interlocks loop is connected by described high-voltage connector, realize the condition monitoring to high-voltage safety electrical interlocks loop, entire car controller also connects electrokinetic cell system controller, the control to high-voltage relay is realized by electrokinetic cell system controller, impact switch achieves the crash protection to electronlmobil simultaneously, this mechanism can prevent high-voltage relay from directly being forced to disconnect by current-carrying, the out-of-control phenomenon jeopardizing personnel and vehicle is avoided to occur, improve full-vehicle control performance, improve car load reliability of operation.
A kind of electronlmobil, comprises electric automobile high-voltage secured electrical mutual interlocking gear described above.
Above-mentioned electronlmobil, by above-mentioned electric automobile high-voltage secured electrical mutual interlocking gear, ensure that the stability of car load high voltage supply, avoids the out-of-control phenomenon jeopardizing personnel and vehicle to occur.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the electric automobile high-voltage secured electrical mutual interlocking gear of an embodiment;
Fig. 2 is the structured flowchart of the electric automobile high-voltage secured electrical mutual interlocking gear of another embodiment;
Fig. 3 is the structured flowchart of the electric automobile high-voltage secured electrical mutual interlocking gear of a preferred embodiment.
Detailed description of the invention
Be described in detail below in conjunction with the detailed description of the invention of accompanying drawing to electric automobile high-voltage secured electrical mutual interlocking gear of the present utility model and electronlmobil.
Shown in figure 1, Fig. 1 is the structured flowchart of the electric automobile high-voltage secured electrical mutual interlocking gear of the utility model one embodiment.
Described electric automobile high-voltage secured electrical mutual interlocking gear, comprising: entire car controller 10, first low-voltage relay 20, impact switch 30, high-voltage relay 520, the high-voltage connector 530 with interlocking structure, electrokinetic cell system controller 510;
Described first low-voltage relay 20, load, described high-voltage connector 530 and electrokinetic cell system controller 510 connect and compose high-voltage safety electrical interlocks loop successively;
Described high-voltage safety electrical interlocks loop connects driving power by the first low-voltage relay 20;
Described entire car controller 10 connects the control end of described first low-voltage relay 20, connects described high-voltage safety electrical interlocks loop, and connect described electrokinetic cell system controller 510 by described high-voltage connector 530;
The drive wire of described high-voltage relay 520 is connected to driving power by described impact switch 30, first low-voltage relay 20.
Above-mentioned electric automobile high-voltage secured electrical mutual interlocking gear, entire car controller 10 controls the connection in high-voltage safety electrical interlocks loop and driving voltage source by the first low-voltage relay 20, high-voltage safety electrical interlocks loop is connected by described high-voltage connector 530, realize the condition monitoring to high-voltage safety electrical interlocks loop, entire car controller 10 also connects electrokinetic cell system controller 510, the control to high-voltage relay 520 is realized by electrokinetic cell system controller 510, impact switch 30 achieves the crash protection to electronlmobil simultaneously, this mechanism can prevent high-voltage relay 520 from directly being forced to disconnect by current-carrying, the out-of-control phenomenon jeopardizing personnel and vehicle is avoided to occur, improve full-vehicle control performance, improve car load reliability of operation.
In one embodiment, shown in figure 2, Fig. 2 is the structured flowchart of the electric automobile high-voltage secured electrical mutual interlocking gear of another embodiment.
Electric automobile high-voltage secured electrical mutual interlocking gear of the present utility model, can also comprise the second low-voltage relay 60;
The control end of described second low-voltage relay 60 connects impact switch; Two contacts of described second low-voltage relay 60 connect the drive wire of driving voltage source and high-voltage relay 520 respectively.
The scheme of above-described embodiment, utilize the second low-voltage relay 60, the high-voltage safety electrical interlocks loop of car load and the driving power supply line of high-voltage relay 520 are distinguished completely, the driving power of high-voltage relay 520 is not series connection impact switch 20, but be directly connected with driving voltage source, ensure that the control power good of the drive wire of high-voltage relay 520, ensure that the stability of car load high voltage supply.
In order to more clear the technical solution of the utility model, set forth preferred embodiment below in conjunction with accompanying drawing.
It is the structured flowchart of the electric automobile high-voltage secured electrical mutual interlocking gear of a preferred embodiment with reference to figure 3, Fig. 3.
It should be noted that, shown in Fig. 3 is the preferred embodiment schematic diagram that all parts combines, and in setting forth embodiment below, the scheme of each embodiment can carry out independent assortment, the accompanying drawing structure that each embodiment is quoted, and is part and quotes, hereby illustrate.
Described electrokinetic cell system and high-voltage connector part 50 comprise electrokinetic cell system controller 510, high-voltage relay 520 and the high-voltage connector 530 with interlocking structure.
In one embodiment, with reference to appropriate section schematic diagram in figure 3, a contact of described second low-voltage relay 60 connects the drive wire of high-voltage relay 520, another contact connects driving voltage source (KL), and the coil two ends of described second low-voltage relay 60 connect impact switch 30 and ground connection (GND) respectively.
The scheme of above-described embodiment, the drive wire of high-voltage relay 520 is in parallel with high-voltage safety electrical interlocks loop (HVIL), specifically as the second low-voltage relay 60 connecting line construction in figure can be found out, impact switch 20 is by the second low-voltage relay 60 coil ground connection, driving voltage source connects the driving power supply line (Emergency Line) of high-voltage relay 520 by the second low-voltage relay 60 two contacts, the driving power supply line of such car load high-voltage safety electrical interlocks loop and high-voltage relay 520 distinguishes completely, it not series connection impact switch 20, the drive wire of high-voltage relay 520 is not connected in series other node with between driving voltage source, thus improve the driving voltage reliability of high-voltage relay 520, and completely avoid the situation disconnecting high-voltage relay 520 due to the unreliable and false triggering of serial node like this and occur, ensure that the power good of high-voltage relay 520, ensure that the stability of car load high voltage supply.
Further, with reference to appropriate section schematic diagram in figure 3, a contact of described first low-voltage relay 20 connects driving voltage source, and another contact connects load 40 and impact switch 30.
In above-described embodiment, the principle of work of the first low-voltage relay 20 is: entire car controller 10 sends the control end of enable signal to the first low-voltage relay 20, driving voltage source connected by first low-voltage relay 20, provides the load 40 of voltage to high pressure secured electrical interlocking loop and impact switch 30.
In one embodiment, with reference to appropriate section schematic diagram in figure 3, load 40 comprises: the electric air-conditioning 410 be sequentially connected in series, integrated starting motor 420, rear axis drive motor 430; High-voltage connector in the above-mentioned all parts (electric air-conditioning 410, integrated starting motor 420, rear axis drive motor 430) of load 40 is connected on high-voltage safety electrical interlocks loop.
In above-described embodiment, whether entire car controller 10 can be monitored car load high tension loop connector by whole high-voltage safety electrical interlocks loop and be disconnected, control the disconnection of high-voltage relay 520, high-voltage relay is avoided to be forced to disconnect by current-carrying, both ensure that the service life of high-voltage relay, also improve car load operation stability.
In the utility model embodiment, described driving voltage source can adopt 12V lead-acid battery; In above-described embodiment, first low-voltage relay 20 and the second low-voltage relay 60 both can be powered by a power supply, simultaneously, in order to ensure stability, also the first low-voltage relay 20 can be respectively by two power supplys and the second low-voltage relay 60 is powered, such second low-voltage relay 60 provides separately power supply to the drive wire of high-voltage relay 520, ensure that its operation stability.
The scheme of comprehensive above-described embodiment, ensure that the power good of high-voltage relay 520, ensure that the stability of car load high voltage supply.Entire car controller 10 can monitor the state of car load high tension loop connector simultaneously, realizes the reasonable monitoring to the high tension loop of monitoring car load, prevents high-voltage relay 520 from directly being forced to disconnect by current-carrying, avoids the out-of-control phenomenon jeopardizing personnel and vehicle to occur.
Below the detailed description of the invention of electronlmobil of the present utility model is described in detail.
The electronlmobil that the utility model provides, comprise the electric automobile high-voltage secured electrical mutual interlocking gear described in any one embodiment above-mentioned, can certainly be comprised other and form the necessary component of electronlmobil, by the electric automobile high-voltage secured electrical mutual interlocking gear described in above-described embodiment; Ensure that the stability of car load high voltage supply, avoid the out-of-control phenomenon jeopardizing personnel and vehicle to occur.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. an electric automobile high-voltage secured electrical mutual interlocking gear, is characterized in that, comprising: entire car controller, the first low-voltage relay, impact switch, high-voltage relay, the high-voltage connector with interlocking structure, electrokinetic cell system controller;
Described first low-voltage relay, load, described high-voltage connector and electrokinetic cell system controller connect and compose high-voltage safety electrical interlocks loop successively;
Described high-voltage safety electrical interlocks loop connects driving power by the first low-voltage relay;
Described entire car controller connects the control end of described first low-voltage relay, connects described high-voltage safety electrical interlocks loop, and connect described electrokinetic cell system controller by described high-voltage connector;
The drive wire of described high-voltage relay is connected to driving power by described impact switch, the first low-voltage relay.
2. electric automobile high-voltage secured electrical mutual interlocking gear according to claim 1, is characterized in that, also comprise the second low-voltage relay;
The control end of described second low-voltage relay connects impact switch; Two contacts of described second low-voltage relay connect the drive wire of driving voltage source and high-voltage relay respectively.
3. electric automobile high-voltage secured electrical mutual interlocking gear according to claim 2, is characterized in that, the coil two ends of described second low-voltage relay connect impact switch and ground connection respectively.
4. electric automobile high-voltage secured electrical mutual interlocking gear according to claim 3, is characterized in that, a contact of described first low-voltage relay connects driving voltage source, and another contact connects load and impact switch.
5. electric automobile high-voltage secured electrical mutual interlocking gear according to claim 1, it is characterized in that, load comprises:
The electric air-conditioning be sequentially connected in series, integrated starting motor, rear axis drive motor.
6. electric automobile high-voltage secured electrical mutual interlocking gear according to claim 1, is characterized in that, described driving voltage source is 12V lead-acid battery.
7. an electronlmobil, is characterized in that, comprises the electric automobile high-voltage secured electrical mutual interlocking gear as described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420790786.7U CN204323083U (en) | 2014-12-11 | 2014-12-11 | Electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420790786.7U CN204323083U (en) | 2014-12-11 | 2014-12-11 | Electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil |
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| CN204323083U true CN204323083U (en) | 2015-05-13 |
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| CN201420790786.7U Active CN204323083U (en) | 2014-12-11 | 2014-12-11 | Electric automobile high-voltage secured electrical mutual interlocking gear and electronlmobil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960423A (en) * | 2015-05-21 | 2015-10-07 | 东南（福建）汽车工业有限公司 | Control circuit for high-voltage power utilization safety of electric vehicle |
| CN106707072A (en) * | 2017-03-07 | 2017-05-24 | 上海同湛新能源科技有限公司 | High voltage safety protection system for off-line detection of new energy automobile |
-
2014
- 2014-12-11 CN CN201420790786.7U patent/CN204323083U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960423A (en) * | 2015-05-21 | 2015-10-07 | 东南（福建）汽车工业有限公司 | Control circuit for high-voltage power utilization safety of electric vehicle |
| CN106707072A (en) * | 2017-03-07 | 2017-05-24 | 上海同湛新能源科技有限公司 | High voltage safety protection system for off-line detection of new energy automobile |
| CN106707072B (en) * | 2017-03-07 | 2023-06-06 | 上海同湛新能源科技有限公司 | High-voltage safety protection system for new energy automobile offline detection |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220114 Address after: 511434 No. 36, Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AION New Energy Vehicle Co.,Ltd. Address before: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |