CN206930957U - Interlocking detection circuit and car - Google Patents
Interlocking detection circuit and car Download PDFInfo
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- CN206930957U CN206930957U CN201720890760.3U CN201720890760U CN206930957U CN 206930957 U CN206930957 U CN 206930957U CN 201720890760 U CN201720890760 U CN 201720890760U CN 206930957 U CN206930957 U CN 206930957U
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- interlocking
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000013024 troubleshooting Methods 0.000 abstract 1
- 230000008030 elimination Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides an interlock detection circuitry and car, this interlock detection circuitry, include: a plurality of high voltage load sockets; the electronic control unit is used for detecting the voltage at the high-voltage load socket interface and is electrically connected with each high-voltage load socket interface, and the high-voltage load sockets are mutually connected in parallel. The embodiment of the utility model provides a, through being connected each high pressure load interface with the electronic control unit, and connect in parallel each other between each high pressure load interface for whether the electronic control unit can distinguish each high pressure load interlocking trouble in the interlocking detection circuitry when detecting, thereby guide troubleshooting and maintenance process.
Description
Technical field
Automobile circuit design field is the utility model is related to, more particularly to a kind of interlocking detection circuit and automobile.
Background technology
In order to ensure each high voltage parts connector of high voltage loop of electric automobile when being unplugged or loosening, connector without
Electricity, so as to ensure the personal safety of maintenance personal, high voltage loop of electric automobile is required to consider the mutual of high-voltage connector when designing
Connection method is locked, vehicle electric-control system is learnt that connector is unplugged, then ensured whole by being detected to interlocking connection circuit
Car high voltage interface is not charged.
Interlocking connection of the prior art detects circuit by the way that the interface of each high voltage parts in high tension loop is gone here and there
Connection, when each parts in high tension loop are all connected with intact, electronic control unit (Electronic Control Unit,
Abbreviation ECU) detected by link circuit.But it is that interlocking connection detection circuit can not position for which high voltage parts
Interface is pulled out, so as to bring inconvenience to malfunction elimination and diagnosis, it is also possible to which testing staff is damaged.
Utility model content
The utility model embodiment technical problems to be solved are to provide a kind of interlocking detection circuit and automobile, to realize
Can distinguish interlocking detection circuit in each high-voltage load whether interlock fault.
In order to solve the above technical problems, the utility model embodiment provides a kind of interlocking detection circuit, including：
Multiple high-voltage load interfaces；
Detect the electronic control unit of the voltage at the high-voltage load interface, the electronic control unit and each institute
The electrical connection of high-voltage load interface is stated, wherein, it is parallel with one another between each high-voltage load interface.
Further, the electronic control unit includes：
Control chip；
The detection connection end electrically connected with the high-voltage load interface, the detection connection end and control chip electricity
Connection.
Further, the interlocking detection circuit also includes：
One predeterminated voltage end, the predeterminated voltage end are connected to the electricity that the control chip is connected with the detection connection end
Lu Shang.
Further, the predeterminated voltage end is connected to the control chip and the detection connection end by first resistor
On the circuit of connection.
Further, the first resistor is pull-up resistor.
Further, the voltage at the predeterminated voltage end is 12V.
Further, also connected on the circuit that each high-voltage load interface is connected with the electronic control unit
There is second resistance, and be grounded by the second resistance.
Further, the high-voltage load interface includes following：Battery bag interface, micro-control unit MCU interfaces,
In electrical heating controller PTC interfaces, motor compressor controller EAS interfaces, direct current switching controller DCDC interfaces
It is at least one.
According to the utility model on the other hand, the utility model embodiment additionally provides a kind of automobile, including as described above
Interlocking detection circuit.
Compared with prior art, a kind of the interlocking detection circuit and automobile that the utility model embodiment provides, at least have
Following beneficial effect：
The utility model embodiment, by the way that each high-voltage load interface is connected with electronic control unit, and it is each high
It is parallel with one another between pressure load interface so that electronic control unit can be distinguished each high in interlocking detection circuit in detection
Pressure load whether interlock fault, so as to instruct malfunction elimination and maintenance process.
Brief description of the drawings
Fig. 1 is the circuit diagram of the interlocking detection circuit of the utility model embodiment.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.In the following description, there is provided the specific detail of such as specific configuration and component is only
Only to assist in comprehensive understanding embodiment of the present utility model.Therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description is made various changes and modifications without departing from the scope of the utility model and spirit.In addition, in order to clear and
Succinctly, the description to known function and construction is eliminated.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present utility model.Therefore, go out everywhere in entire disclosure
Existing " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.In addition, these are specific special
Sign, structure or characteristic can combine in one or more embodiments in any suitable manner.
Referring to Fig. 1, the utility model embodiment provides a kind of interlocking detection circuit, including：
Multiple high-voltage load interfaces 1；
Detect the electronic control unit 2 of the voltage at the high-voltage load interface 1, the electronic control unit 2 with it is every
The one high-voltage load interface 1 electrically connects, wherein, it is parallel with one another between each high-voltage load interface 1.
The utility model embodiment, by the way that each high-voltage load interface 1 is connected with electronic control unit 2, and it is each
It is parallel with one another between high-voltage load interface 1 so that electronic control unit 2 can be distinguished every in interlocking detection circuit in detection
One high-voltage load whether interlock fault, so as to instruct malfunction elimination and maintenance process.
In one embodiment, the electronic control unit 2 can include：
Control chip 3；
The detection connection end electrically connected with the high-voltage load interface 1, the detection connection end and the control chip 3
Electrical connection；
Wherein, the interlocking detection circuit also includes：
One predeterminated voltage end VCC, the predeterminated voltage end VCC are connected to the control chip 3 and the detection connection end
On the circuit of connection.
Wherein, the control chip 3 can be Infineon's TC1782 chips.
Wherein, the detection connection end described in above-mentioned can be the entity port opened up on electronic control unit 2, use
Electrically connected in high-voltage load interface 1, the detection connection end can also be in order to make it easy to understand, by multiple high-voltage load grafting
The common port that mouth 1 is connected to control chip 3 is referred to as detecting connection end.
Further, also gone here and there on the circuit that each high-voltage load interface 1 is connected with the electronic control unit 2
Second resistance 4 is associated with, and is grounded by the second resistance 4.
It is further detailed below by interlocking detection circuit of the citing to the utility model embodiment.With continued reference to
Fig. 1, when interlocking, which detects, is plugged with high-voltage load in each high-voltage load interface 1 in circuit, due to each high-voltage load
The second resistance 4 connected on the circuit that interface 1 is connected with electronic control unit 2 is grounded so that electronic control unit 2 is by returning
Road detects low level signal；And when any one high-voltage load is unplugged or loosened, such as when battery bag be pulled out or pine
When dynamic, electronic control unit 2 carries out partial pressure by detecting the second resistance 4 that each high-voltage load is connected, and learns that battery bag patches
There is exception in part, so as to instruct malfunction elimination and maintenance；When other high-voltage loads are pulled out or loosened, Electronic Control list
The Cleaning Principle of member 2 is identical.
Wherein, the predeterminated voltage end VCC is connected to the control chip 3 by first resistor R0 and connected with the detection
On the circuit for holding connection.
Wherein, the first resistor R0 is pull-up resistor.
Wherein, the voltage of the predeterminated voltage end VCC is 12V.It should be noted that predeterminated voltage end VCC voltage is
12V is only a preferred embodiment provided by the utility model.
Further, the high-voltage load interface 1 includes following：Battery bag interface, micro-control unit MCU grafting
In mouth, electrical heating controller PTC interfaces, motor compressor controller EAS interfaces, direct current switching controller DCDC interfaces
At least one.
Wherein, the high-voltage load in automobile, such as battery bag, micro-control unit (Microcontroller Unit, abbreviation
MCU), electrical heating controller PTC, motor compressor controller EAS, direct current switching controller DCDC can be by above-mentioned corresponding slotting
Interface grafting.It should be noted that above-mentioned different high-voltage loads are by way of example only, the utility model is not intended to limit.
According to the utility model on the other hand, the utility model embodiment additionally provides a kind of automobile, including as described above
Interlocking detection circuit.
To sum up, the utility model embodiment, by the way that each high-voltage load interface 1 is connected with electronic control unit 2, and
It is parallel with one another between each high-voltage load interface 1 so that electronic control unit 2 can distinguish interlocking detection circuit in detection
In each high-voltage load whether interlock fault, so as to instruct malfunction elimination and maintenance process.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (9)
1. one kind interlocking detection circuit, it is characterised in that including：
Multiple high-voltage load interfaces；
Detect the electronic control unit of the voltage at the high-voltage load interface, the electronic control unit and each height
Pressure load interface electrical connection, wherein, it is parallel with one another between each high-voltage load interface.
2. interlocking detection circuit according to claim 1, it is characterised in that the electronic control unit includes：
Control chip；
The detection connection end electrically connected with the high-voltage load interface, the detection connection end are electrically connected with the control chip
Connect.
3. interlocking detection circuit according to claim 2, it is characterised in that the interlocking detection circuit also includes：
One predeterminated voltage end, the predeterminated voltage end are connected to the circuit that the control chip is connected with the detection connection end
On.
4. interlocking detection circuit according to claim 3, it is characterised in that the predeterminated voltage end is connected by first resistor
It is connected on the circuit that the control chip is connected with the detection connection end.
5. interlocking detection circuit according to claim 4, it is characterised in that the first resistor is pull-up resistor.
6. interlocking detection circuit according to claim 3, it is characterised in that the voltage at the predeterminated voltage end is 12V.
7. it is according to claim 1 interlocking detection circuit, it is characterised in that each high-voltage load interface with it is described
Second resistance is also in series with the circuit of electronic control unit series connection, and is grounded by the second resistance.
8. interlocking detection circuit according to claim 1, it is characterised in that the high-voltage load interface includes following：
Battery bag interface, micro-control unit MCU interfaces, electrical heating controller PTC interfaces, motor compressor controller EAS are inserted
At least one of interface, direct current switching controller DCDC interfaces.
9. a kind of automobile, it is characterised in that including interlocking detection circuit such as according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890760.3U CN206930957U (en) | 2017-07-21 | 2017-07-21 | Interlocking detection circuit and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890760.3U CN206930957U (en) | 2017-07-21 | 2017-07-21 | Interlocking detection circuit and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206930957U true CN206930957U (en) | 2018-01-26 |
Family
ID=61355111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720890760.3U Active CN206930957U (en) | 2017-07-21 | 2017-07-21 | Interlocking detection circuit and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206930957U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061890A (en) * | 2019-04-16 | 2019-07-26 | 维沃移动通信有限公司 | Data transfer control circuit, terminal device and data line |
| CN111983391A (en) * | 2019-05-21 | 2020-11-24 | 上海汽车集团股份有限公司 | Fault positioning method and system |
-
2017
- 2017-07-21 CN CN201720890760.3U patent/CN206930957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061890A (en) * | 2019-04-16 | 2019-07-26 | 维沃移动通信有限公司 | Data transfer control circuit, terminal device and data line |
| CN111983391A (en) * | 2019-05-21 | 2020-11-24 | 上海汽车集团股份有限公司 | Fault positioning method and system |
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