CN206292624U - The full nodal test circuit of new energy vehicle controller high-voltage interlocking - Google Patents
The full nodal test circuit of new energy vehicle controller high-voltage interlocking Download PDFInfo
- Publication number
- CN206292624U CN206292624U CN201621348110.8U CN201621348110U CN206292624U CN 206292624 U CN206292624 U CN 206292624U CN 201621348110 U CN201621348110 U CN 201621348110U CN 206292624 U CN206292624 U CN 206292624U
- Authority
- CN
- China
- Prior art keywords
- resistance
- series
- resistor
- parallel
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of full nodal test circuit of new energy vehicle controller high-voltage interlocking, some high voltage interface status switches of this circuit are connected in series with some series resistances respectively, some parallel resistances are parallel to some high voltage interface status switches of concatenation respectively and some series resistance two ends constitute some interface detection units, some interface detection units are sequentially connected in series and head end is through pull-up resistor connection DC power anode, tail end connection DC power cathode, the detection port of micro-control unit connect described in some interface detection unit head ends for being sequentially connected in series.This circuit can realize the full node state detection of high pressure, effectively recognize failure node, and occupancy micro-control unit resource is few, realizes high-voltage interlocking detection function, it is ensured that the safe operation of equipment.
Description
Technical field
The utility model is related to a kind of full nodal test circuit of new energy vehicle controller high-voltage interlocking.
Background technology
High-voltage interlocking detection is widely used in the system that various high-low pressures are present, and is that one kind meets equipment safety operation
Requirement.New-energy automobile controller is powered comprising forceful electric power, is related to safety requirements, it is therefore desirable to detect the shape of each high voltage interface
The installment state covered in state, and controller；Controller judges whether controller can normal work according to full node interface state
Make.
The high-voltage interlocking inspection policies of current new-energy automobile controller mainly have two kinds：One kind is only to judge high-voltage connecting
Whether mouth and upper lid installment state are all normal, and which node failure cannot be specifically navigated to when failure is judged；Second
It is the detection resource that micro-control unit is provided to each node, comprehensive each Interface status, but its occupancy microcontroller in logic
Element resources are more.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of full node of new energy vehicle controller high-voltage interlocking
Detection circuit, this circuit can realize the full node state detection of high pressure, effectively recognize failure node, take micro-control unit resource
It is few, realize high-voltage interlocking detection function, it is ensured that the safe operation of equipment.
In order to solve the above technical problems, the full nodal test circuit bag of the utility model new energy vehicle controller high-voltage interlocking
Include some high voltage interface status switches, some series resistances, some parallel resistances, pull-up resistor, micro-control unit and direct current
Source, some high voltage interface status switches are connected in series with some series resistances respectively, some parallel resistances point
The some high voltage interface status switches and some series resistance two ends for not being parallel to the concatenation constitute some interface detection units,
Some interface detection units are sequentially connected in series and head end connects the DC power anode, tail end and connects through the pull-up resistor
Connect the DC power cathode, some interface detection units being sequentially connected in series described in the detection port connection of the micro-control unit
Head end.
Further, some high voltage interface status switches include dc bus status switch, the first exchange output state
Switch, the second exchange output state switch and lid status switch on controller, some series resistances include first resistor, the
Two resistance, 3rd resistor and the 4th resistance, some parallel resistances include the 5th resistance, the 6th resistance, the 7th resistance and the
Eight resistance, the dc bus status switch is connected with first resistor, and the 5th resistor coupled in parallel is in the dc bus state
Switch and first resistor two ends, it is described first exchange output state switch is connected with second resistance, the 6th resistor coupled in parallel in
The first exchange output state switch and second resistance two ends, the second exchange output state switch and 3rd resistor string
Connection, the 7th resistor coupled in parallel is in the described second exchange output state switch and 3rd resistor two ends, lid on the controller
State switch with the 4th resistant series, the 8th resistor coupled in parallel in lid status switch on the controller and the 4th resistance two ends,
5th resistance, the 6th resistance, the 7th resistance and the 8th resistance are sequentially connected in series and connect direct current through the pull-up resistor
The both positive and negative polarity in source, the detection port of the micro-control unit is connected between the pull-up resistor and the 5th resistance.
Further, some high voltage interface status switch closure states are normal, otherwise are off-state.
Further, lid status switch is touch-switch and between controller housing and upper lid on the controller.
Further, series resistance is identical with the resistance of parallel resistance in the same interface detection unit, adjacent interface inspection
The resistance for surveying series resistance and parallel resistance in unit takes 2 exponential relationship.
Because the full nodal test circuit of the utility model new energy vehicle controller high-voltage interlocking employs above-mentioned technical side
Some high voltage interface status switches of case, i.e. this circuit are connected in series with some series resistances respectively, some parallel resistance difference
The some high voltage interface status switches and some series resistance two ends for being parallel to concatenation constitute some interface detection units, if stem grafting
Mouth detection unit is sequentially connected in series and head end is through pull-up resistor connection DC power anode, tail end connection DC power cathode, micro-
The some interface detection unit head ends being sequentially connected in series described in the detection port connection of control unit.This circuit can realize that high pressure is saved entirely
Dotted state detects that effectively recognize failure node, occupancy micro-control unit resource is few, realizes high-voltage interlocking detection function, it is ensured that
The safe operation of equipment.
Brief description of the drawings
The utility model is described in further detail with implementation method below in conjunction with the accompanying drawings：
Fig. 1 is the full nodal test circuit diagram of the utility model new energy vehicle controller high-voltage interlocking.
Specific embodiment
Embodiment is as shown in figure 1, the full nodal test circuit of the utility model new energy vehicle controller high-voltage interlocking includes
Some high voltage interface status switch U1 to U4, some series resistance R1 to R4, some parallel resistance R5 to R8, pull-up resistor R9,
Micro-control unit MCU and dc source V, some high voltage interface status switch U1 to U4 respectively with some series resistances
R1 to R4 is connected in series, and some parallel resistance R5 to R8 are parallel to some high voltage interface status switches of the concatenation respectively
U1 to U4 and some series resistance R1 to R4 two ends constitute some interface detection units, and some interface detection units are gone here and there successively
Connect and head end connects the dc source V positive poles, tail end and connects the dc source V negative poles, institute through the pull-up resistor R9
The some interface detection unit head ends being sequentially connected in series described in the detection port connection for stating micro-control unit MCU.
Preferably, some high voltage interface status switches include dc bus status switch U1, the first exchange output shape
State switch U2, the second exchange output state switch U3 and lid status switch U4 on controller, some series resistances include the
One resistance R1, second resistance R2,3rd resistor R3 and the 4th resistance R4, some parallel resistances include the 5th resistance R5, the
Six resistance R6, the 7th resistance R7 and the 8th resistance R8, the dc bus status switch U1 connect R1, described with first resistor
Five resistance R5 are parallel to the dc bus status switch U1 and first resistor R1 two ends, the first exchange output state switch
U2 connects R2 with second resistance, and the 6th resistance R6 is parallel to the first exchange output state switch U1 and second resistance R2
Two ends, the second exchange output state switch U3 connects R3 with 3rd resistor, and the 7th resistance R7 is parallel to described second
Exchange output state switch U3 and 3rd resistor R3 two ends, lid status switch U4 connects with the 4th resistance R4 on the controller,
The 8th resistance R8 is parallel to lid status switch U4 and the 4th resistance R4 two ends on the controller, the 5th resistance R5,
6th resistance R6, the 7th resistance R7 and the 8th resistance R8 are sequentially connected in series and through pull-up resistor R9 connection dc sources V's
Both positive and negative polarity, between the detection port connection pull-up resistor R9 and the 5th resistance R5 of the micro-control unit MCU.
Preferably, some high voltage interface status switch U1 to U4 closure states are normal, otherwise are off-state.
Preferably, lid status switch U4 is touch-switch and located at controller housing and upper lid on the controller
Between.
Preferably, series resistance is identical with the resistance of parallel resistance in the same interface detection unit, adjacent interface inspection
The resistance for surveying series resistance and parallel resistance in unit takes 2 exponential relationship.Micro-control unit is conducive to preferably to recognize each
The state of interface and it is easy to circuit counting.
As shown in figure 1, the series and parallel compensated resistance value in same interface detection unit is identical, gone here and there in adjacent interface detection unit
The resistance of connection resistance and parallel resistance takes 2 exponential relationship, to avoid the occurrence of failure node situation not easy to identify；Four interfaces
After detection unit series connection, pull-up resistor to power supply is connected, pull-up resistor resistance can be true according to the default sampling value size of micro-control unit
It is fixed.
According to above-mentioned value principle, it is assumed that series and parallel compensated resistance R4, R8 of lid status switch U4 selects 1K, second on controller
Series and parallel compensated resistance R3, R7 of exchange output state switch U3 selects 2K, the first exchange output state to switch the series and parallel compensated resistance of U2
R2, R6 select series and parallel compensated resistance R1, R5 of 4.02K, dc bus status switch U1 to select 8.2K, pull-up resistor R9 to select 15K,
The voltage of dc source V is 5V.After being configured as above, four combination of nodes have 16 kinds of states, the minimum of various combination state
At intervals of 42mV, theoretical minimum is identified as 1.22mV to difference.
Following table is the theoretical voltage value under four combination of nodes, 16 kinds of states：
As seen from the above table, output voltage is detected by micro-control unit MCU, you can obtain four states of node, can be with
High-voltage interlocking detection function effectively is realized, failure node is recognized and navigate to, the accuracy of detection is improved.
Micro-control unit is 12 precision in this circuit, and reference level is powered using 5V, and detection port uses AD ports, AD
Port is used to for analog quantity to be converted to digital quantity, and the voltage of AD ports effectively identification is 1.22mV;By each high voltage interface state
The first series resistance of switch, parallel resistance again afterwards, using this as interface detection unit；Interface detection unit be sequentially connected in series after with it is upper
Pull-up resistor is connected in series on power supply, and series and parallel compensated resistance and the output valve after pull-up resistor partial pressure of interface detection unit pass through microcontroller
The AD Port detectings of unit.Therefore this circuit only takes up an AD port resource for micro-control unit, and by string and resistance and
Appropriate resistance matching, you can realize high-voltage interlocking detection function, and in node failure, can recognize and navigate to failure section
Point；This circuit structure is simple, and it is convenient to realize, effectively saves automobile controller internal resource and cost.
Claims (5)
1. a kind of full nodal test circuit of new energy vehicle controller high-voltage interlocking, including some high voltage interface status switches, its
It is characterised by：Also include some series resistances, some parallel resistances, pull-up resistor, micro-control unit and dc source, if described
Dry high voltage interface status switch is connected in series with some series resistances respectively, and some parallel resistances are parallel to institute respectively
The some high voltage interface status switches and some series resistance two ends for stating concatenation constitute some interface detection units, if the stem grafting
Mouth detection unit is sequentially connected in series and head end connects the DC power anode, tail end and connects the direct current through the pull-up resistor
Power cathode, some interface detection unit head ends for being sequentially connected in series described in the detection port connection of the micro-control unit.
2. the full nodal test circuit of new energy vehicle controller high-voltage interlocking according to claim 1, it is characterised in that：Institute
Stating some high voltage interface status switches includes dc bus status switch, the first exchange output state switch, the second exchange output
Lid status switch on status switch and controller, some series resistances include first resistor, second resistance, 3rd resistor and
4th resistance, some parallel resistances include the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance, and the direct current is female
Line status switch is connected with first resistor, and the 5th resistor coupled in parallel is in the dc bus status switch and first resistor two
End, the first exchange output state switch is connected with second resistance, and the 6th resistor coupled in parallel is in the described first exchange output
Status switch and second resistance two ends, the second exchange output state switch are connected with 3rd resistor, and the 7th resistance is simultaneously
It is coupled to the second exchange output state switch and 3rd resistor two ends, lid status switch and the 4th resistance string on the controller
Connection, the 8th resistor coupled in parallel is in lid status switch on the controller and the 4th resistance two ends, the 5th resistance, the 6th electricity
Resistance, the 7th resistance and the 8th resistance are sequentially connected in series and the both positive and negative polarity of dc source, the micro-control are connected through the pull-up resistor
The detection port of unit processed is connected between the pull-up resistor and the 5th resistance.
3. the full nodal test circuit of new energy vehicle controller high-voltage interlocking according to claim 1 and 2, its feature exists
In：Some high voltage interface status switch closure states are normal, otherwise are off-state.
4. the full nodal test circuit of new energy vehicle controller high-voltage interlocking according to claim 2, it is characterised in that：Institute
It is touch-switch and between controller housing and upper lid to state on controller lid status switch.
5. the full nodal test circuit of new energy vehicle controller high-voltage interlocking according to claim 1, it is characterised in that：Institute
Series resistance is identical with the resistance of parallel resistance in stating same interface detection unit, in adjacent interface detection unit series resistance and
The resistance of parallel resistance takes 2 exponential relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348110.8U CN206292624U (en) | 2016-12-09 | 2016-12-09 | The full nodal test circuit of new energy vehicle controller high-voltage interlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348110.8U CN206292624U (en) | 2016-12-09 | 2016-12-09 | The full nodal test circuit of new energy vehicle controller high-voltage interlocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206292624U true CN206292624U (en) | 2017-06-30 |
Family
ID=59097802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621348110.8U Active CN206292624U (en) | 2016-12-09 | 2016-12-09 | The full nodal test circuit of new energy vehicle controller high-voltage interlocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206292624U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507564A (en) * | 2018-11-14 | 2019-03-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy overall height pressure interlock detection circuit and corresponding detection method |
| CN109532495A (en) * | 2018-11-02 | 2019-03-29 | 浙江吉利新能源商用车有限公司 | High-voltage interlocking detection device and electric car |
| CN110058180A (en) * | 2019-04-04 | 2019-07-26 | 上海捷新动力电池系统有限公司 | A kind of power battery pack system high pressure interlocking connector detection system |
-
2016
- 2016-12-09 CN CN201621348110.8U patent/CN206292624U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532495A (en) * | 2018-11-02 | 2019-03-29 | 浙江吉利新能源商用车有限公司 | High-voltage interlocking detection device and electric car |
| CN109532495B (en) * | 2018-11-02 | 2020-08-28 | 浙江吉利新能源商用车有限公司 | High-voltage interlocking detection device and electric automobile |
| CN109507564A (en) * | 2018-11-14 | 2019-03-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy overall height pressure interlock detection circuit and corresponding detection method |
| CN110058180A (en) * | 2019-04-04 | 2019-07-26 | 上海捷新动力电池系统有限公司 | A kind of power battery pack system high pressure interlocking connector detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206292624U (en) | The full nodal test circuit of new energy vehicle controller high-voltage interlocking | |
| CN105372480A (en) | Over voltage, under voltage and phase failure detection circuit for charging pile | |
| CN206401236U (en) | A kind of relay zero-crossing closes disconnecting circuit | |
| CN104698262B (en) | A kind of zero cross detection circuit and convertible frequency air-conditioner | |
| CN104934800B (en) | The intelligent electric-shock protection socket system recognized based on plug | |
| CN103336165B (en) | A kind of alternating current-direct current over-current detection circuit | |
| CN202424117U (en) | Three-phase default phase detection and automatic protection circuit | |
| CN206226303U (en) | Voltage conversion controls circuit and household electrical appliance | |
| CN104901679B (en) | A kind of input detecting circuit | |
| CN104113217B (en) | Parallel power supply system and its power module for fault detect | |
| CN102655323B (en) | A kind of live wire automatic identification change-over circuit of alternating current zero | |
| CN206602383U (en) | A kind of charged state cue circuit | |
| CN106166990B (en) | A kind of startup power supply circuit | |
| CN206698004U (en) | A kind of energy-storage system that can be applied to microcomputer control protective unit | |
| CN201788261U (en) | Switching value detection circuit | |
| CN106787048A (en) | Possesses the charger of automatic identification input voltage function | |
| CN206178103U (en) | Energy storage system contactor adhesion detection device | |
| CN106357128A (en) | Voltage conversion control circuit and household appliance | |
| CN209311659U (en) | Numerically-controlled machine tool power supply alarm circuit | |
| CN205986810U (en) | Three -phase SCR trigger circuit | |
| CN204649888U (en) | A kind of novel lan device electrical interface identification circuit | |
| CN104935061A (en) | Cell charging prompt circuit and lamp | |
| CN202256445U (en) | Voltage detection circuit | |
| CN207424116U (en) | Detection circuit | |
| CN206323605U (en) | A kind of LED voltage with runback bit function falls detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |