CN109490770A - The power supply circuit and voltage sampling method and device of relay adhesion detection - Google Patents
The power supply circuit and voltage sampling method and device of relay adhesion detection Download PDFInfo
- Publication number
- CN109490770A CN109490770A CN201811568995.6A CN201811568995A CN109490770A CN 109490770 A CN109490770 A CN 109490770A CN 201811568995 A CN201811568995 A CN 201811568995A CN 109490770 A CN109490770 A CN 109490770A
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- Prior art keywords
- power supply
- adhesion
- relay
- supply circuit
- detection module
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention provides a kind of power supply circuits of relay adhesion detection and voltage sampling method and device, circuit includes power supply circuit and relay adhesion detection module, it can be realized under voltage sampling circuit idle after electricity, and it can be realized the physical isolation between voltage sampling circuit, it prevents external energy to be formed into a loop by sampling circuit, causes to judge contactor state by accident.
Description
Technical field
The present invention relates to relay technical field, power supply circuit in particular to a kind of relay adhesion detection and
Voltage sampling method and device.
Background technique
Switch is not provided on conventional voltage sampling circuit, will lead to following two aspects problem: 1) sample circuit can not stop
It sleeps, circuit continuous drain.2) after major loop contactor disconnects, external capacitive can be discharged by voltage sample circuit, be detected
After voltage, it will lead to positive contactor based on judging by accident and stick together.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of power supply circuits of relay adhesion detection
With voltage sampling method and device.
In a first aspect, the embodiment of the invention provides a kind of power supply circuit of relay adhesion detection, including power supply circuit
With relay adhesion detection module；
The power supply circuit includes power supply, relay；
The relay adhesion detection module includes Current Voltage detection module and adhesion measure loop, described in detecting
Whether relay sticks together；
The adhesion measure loop is equipped with electronic switch.
Further, the relay includes main positive contactor and main negative contactor；
The power supply, main positive contactor, motor, main negative contactor and Current Voltage detection module are sequentially connected in series.
Further, the relay adhesion detection module includes three adhesion measure loops, respectively the first adhesion inspection
Survey time road, the second adhesion measure loop and third adhesion measure loop；
Each adhesion measure loop be equipped with resistance and with the concatenated electronic switch of the resistance.
Further, the first adhesion measure loop and the power sources in parallel；
Second adhesion detection circuit is in parallel with the power supply and main positive contactor；
Third adhesion detection circuit is in parallel with the power supply and main negative contactor.
Further, the protection circuit in parallel with the positive contactor of the master is equipped in the power supply circuit.
Further, the protection circuit includes the preliminary filling resistance and preliminary filling contactor being sequentially connected in series.
Second aspect, the embodiment of the invention also provides a kind of voltage sampling methods, which comprises
It controls relay adhesion detection module and obtains voltage value；
The voltage value is reported into bus.
Further, control relay adhesion detection module obtains the voltage value of node, comprising:
Three electronic switches of closing or opening obtain the voltage of the positive contactor of the master and main negative contactor both ends respectively.
The third aspect, the embodiment of the invention also provides a kind of voltage sampling apparatus, described device includes:
Control module obtains voltage value for controlling relay adhesion detection module；
Reporting module, for the voltage value to be reported to bus.
Fourth aspect, the embodiment of the invention provides a kind of computer storage mediums, for being stored as described in the third aspect
Device used in computer software instructions.
The embodiment of the present invention bring it is following the utility model has the advantages that
The embodiment of the invention provides a kind of power supply circuit of relay adhesion detection and voltage sampling method and device, electricity
Road includes power supply circuit and relay adhesion detection module, can be realized under voltage sampling circuit idle after electricity, and can
It realizes the physical isolation between voltage sampling circuit, external energy is prevented to be formed into a loop by sampling circuit, erroneous judgement is caused to contact
Device state.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages in specification, claim
Specifically noted structure is achieved and obtained in book and attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structure chart of the power supply circuit of relay adhesion detection provided by first embodiment of the invention；
Fig. 2 is a kind of flow chart of voltage sampling method provided by second embodiment of the invention；
Fig. 3 is a kind of structural block diagram of voltage sampling apparatus provided by second embodiment of the invention.
Specific embodiment
To keep destination, technical solution and the advantage of the embodiment of the present invention clearer, below in conjunction with attached drawing to this hair
Bright technical solution is clearly and completely described, it is clear that and described embodiments are some of the embodiments of the present invention, without
It is whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be with a variety of different
Configuration is to arrange and design.Therefore, below the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit
The range of claimed invention processed, but it is merely representative of selected embodiment of the invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment one
As shown in Figure 1, the power supply circuit of relay adhesion detection, including power supply circuit and relay adhesion detect mould
Block；
The power supply circuit includes power supply, relay and motor；
The relay adhesion detection module includes Current Voltage detection module and adhesion measure loop, described in detecting
Whether relay sticks together, wherein, Current Voltage detection module can be Current Voltage sensor；
The adhesion measure loop is equipped with electronic switch.
Further, the relay includes main positive contactor and main negative contactor；
The power supply, main positive contactor, motor, main negative contactor and Current Voltage detection module are sequentially connected in series.
Further, the relay adhesion detection module includes three adhesion measure loops, respectively the first adhesion inspection
Survey time road, the second adhesion measure loop and third adhesion measure loop；
Each adhesion measure loop be equipped with resistance and with the concatenated electronic switch of the resistance.
Wherein, the first adhesion measure loop includes a resistance and electronic switch A in series with a resistor；
Second adhesion measure loop includes a resistance and electronic switch B in series with a resistor；
Third adhesion measure loop includes a resistance and electronic switch C in series with a resistor；
Further, the first adhesion measure loop and the power sources in parallel；
Second adhesion detection circuit is in parallel with the power supply and main positive contactor；
Third adhesion detection circuit is in parallel with the power supply and main negative contactor.
Further, the protection circuit in parallel with the positive contactor of the master is equipped in the power supply circuit.
Further, the protection circuit includes the preliminary filling resistance and preliminary filling contactor being sequentially connected in series, and plays and is just connecing to master
The protective effect of tentaculum.
The embodiment of the invention provides a kind of power supply circuits of relay adhesion detection, and circuit includes power supply circuit and relay
Device adhesion detection module can be realized under voltage sampling circuit idle after electricity, and can be realized between voltage sampling circuit
Physical isolation, prevent external energy by sampling circuit be formed into a loop, cause judge by accident contactor state.
Embodiment two
A kind of flow chart of voltage sampling method shown in Figure 2, this method specifically comprise the following steps:
S201. control relay adhesion detection module obtains voltage value；
S202. the voltage value is reported into bus.
Specifically, when system works, relay adhesion detection module is according to setting successively closing or opening electronic switch
A, B, C, and successively the voltage value of acquisition is parsed and is reported to bus.
When system does not work, it is main just, main negative relay disconnect, the electronic switch of three adhesion measure loops is also all to disconnect
State, relay adhesion detection module entirety idle.And the energy of external capacitive can not by three adhesion measure loops into
Row release, the second adhesion measure loop would not also generate interference voltage, and cause to take for leading positive contactor closure extremely, report
Adhesion fault.
Embodiment three
For voltage sampling method provided by previous embodiment, the embodiment of the invention provides a kind of voltage sample dresses
It sets, a kind of structural block diagram of voltage sampling apparatus shown in Figure 3, which includes following part:
Control module 31 obtains voltage value for controlling relay adhesion detection module；
Reporting module 32, for the voltage value to be reported to bus.
The embodiment of the invention provides a kind of power supply circuit of relay adhesion detection and voltage sampling method and device, electricity
Road includes power supply circuit and relay adhesion detection module, can be realized under voltage sampling circuit idle after electricity, and can
It realizes the physical isolation between voltage sampling circuit, external energy is prevented to be formed into a loop by sampling circuit, erroneous judgement is caused to contact
Device state.
The embodiment of the invention also provides a kind of computer storage mediums, for being stored as device provided by the above embodiment
Computer software instructions used.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
It should be noted that in embodiment provided by the present invention, it should be understood that disclosed system and method, it can
To realize by another way.The apparatus embodiments described above are merely exemplary, for example, the unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.It is described to be used as separation unit
The unit that part illustrates may or may not be physically separated, and component shown as a unit can be or can also
Not to be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Needs some or all of the units may be selected to achieve the purpose of the solution of this embodiment ground.
In addition, each functional unit in embodiment provided by the invention can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of power supply circuit of relay adhesion detection, which is characterized in that detect mould including power supply circuit and relay adhesion
Block；
The power supply circuit includes power supply, relay；
The relay adhesion detection module includes Current Voltage detection module and adhesion measure loop, for detecting the relay
Whether device sticks together；
The adhesion measure loop is equipped with electronic switch.
2. power supply circuit according to claim 1, which is characterized in that the relay includes that main positive contactor and main bear connect
Tentaculum；
The power supply, main positive contactor, motor, main negative contactor and Current Voltage detection module are sequentially connected in series.
3. power supply circuit according to claim 2, which is characterized in that the relay adhesion detection module includes three viscous
Even measure loop, respectively the first adhesion measure loop, the second adhesion measure loop and third adhesion measure loop；
Each adhesion measure loop be equipped with resistance and with the concatenated electronic switch of the resistance.
4. power supply circuit according to claim 3, which is characterized in that the first adhesion measure loop and the power sources in parallel；
Second adhesion detection circuit is in parallel with the power supply and main positive contactor；
Third adhesion detection circuit is in parallel with the power supply and main negative contactor.
5. power supply circuit according to claim 2, which is characterized in that be equipped in the power supply circuit and just contacted with the master
The protection circuit of device parallel connection.
6. power supply circuit according to claim 5, which is characterized in that the protection circuit includes the precharge being sequentially connected in series
Resistance and preliminary filling contactor.
7. a kind of voltage sampling method, which is characterized in that the described method includes:
It controls relay adhesion detection module and obtains voltage value；
The voltage value is reported into bus.
8. the method according to the description of claim 7 is characterized in that control relay adhesion detection module obtains the voltage of node
Value, comprising:
Three electronic switches of closing or opening obtain the voltage of the positive contactor of the master and main negative contactor both ends respectively.
9. a kind of voltage sampling apparatus, which is characterized in that described device includes:
Control module obtains voltage value for controlling relay adhesion detection module；
Reporting module, for the voltage value to be reported to bus.
10. a kind of computer storage medium, which is characterized in that for being stored as calculating used in device as claimed in claim 9
Machine software instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568995.6A CN109490770A (en) | 2018-12-20 | 2018-12-20 | The power supply circuit and voltage sampling method and device of relay adhesion detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568995.6A CN109490770A (en) | 2018-12-20 | 2018-12-20 | The power supply circuit and voltage sampling method and device of relay adhesion detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109490770A true CN109490770A (en) | 2019-03-19 |
Family
ID=65711294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568995.6A Pending CN109490770A (en) | 2018-12-20 | 2018-12-20 | The power supply circuit and voltage sampling method and device of relay adhesion detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109490770A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254234A (en) * | 2019-05-27 | 2019-09-20 | 深圳熙斯特新能源技术有限公司 | A kind of controller main contactor adhesion detection method based on preliminary filling circuit |
| CN111152659A (en) * | 2019-12-25 | 2020-05-15 | 浙江合众新能源汽车有限公司 | Battery pack high-voltage topological structure and relay adhesion detection method based on structure |
| CN111746283A (en) * | 2020-06-12 | 2020-10-09 | 浙江飞碟汽车制造有限公司 | Electric automobile contactor adhesion detection method |
| CN112415372A (en) * | 2020-11-10 | 2021-02-26 | 科大智能（合肥）科技有限公司 | Relay adhesion detection circuit |
| CN113439215A (en) * | 2020-10-21 | 2021-09-24 | 深圳欣锐科技股份有限公司 | Relay detection circuit and detection device based on positive and negative poles |
| CN116609665A (en) * | 2023-06-01 | 2023-08-18 | 沃尔特电子（苏州）有限公司 | Contactor adhesion detection method |
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| CN106842010A (en) * | 2017-01-23 | 2017-06-13 | 宁德时代新能源科技股份有限公司 | Contactor adhesion detection method, detection device and battery management system |
| CN107942243A (en) * | 2017-11-09 | 2018-04-20 | 上汽通用五菱汽车股份有限公司 | Relay adhesion detection circuit and detection method |
| CN207924092U (en) * | 2018-02-01 | 2018-09-28 | 宁波吉利汽车研究开发有限公司 | A kind of relay bonding fault detection circuit of battery management system |
| CN209514001U (en) * | 2018-12-20 | 2019-10-18 | 华人运通(江苏)技术有限公司 | The circuit of relay adhesion detection |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254234A (en) * | 2019-05-27 | 2019-09-20 | 深圳熙斯特新能源技术有限公司 | A kind of controller main contactor adhesion detection method based on preliminary filling circuit |
| CN111152659A (en) * | 2019-12-25 | 2020-05-15 | 浙江合众新能源汽车有限公司 | Battery pack high-voltage topological structure and relay adhesion detection method based on structure |
| CN111152659B (en) * | 2019-12-25 | 2021-09-10 | 浙江合众新能源汽车有限公司 | Battery pack high-voltage topological structure and relay adhesion detection method based on structure |
| CN111746283A (en) * | 2020-06-12 | 2020-10-09 | 浙江飞碟汽车制造有限公司 | Electric automobile contactor adhesion detection method |
| CN113439215A (en) * | 2020-10-21 | 2021-09-24 | 深圳欣锐科技股份有限公司 | Relay detection circuit and detection device based on positive and negative poles |
| CN112415372A (en) * | 2020-11-10 | 2021-02-26 | 科大智能（合肥）科技有限公司 | Relay adhesion detection circuit |
| CN112415372B (en) * | 2020-11-10 | 2024-05-17 | 科大智能（合肥）科技有限公司 | Relay adhesion detection circuit |
| CN116609665A (en) * | 2023-06-01 | 2023-08-18 | 沃尔特电子（苏州）有限公司 | Contactor adhesion detection method |
| CN116609665B (en) * | 2023-06-01 | 2024-03-19 | 沃尔特电子（苏州）有限公司 | Contactor adhesion detection method |
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Effective date of registration: 20190621 Address after: Room 701, Block B, Building 6, Software Park, No. 5 Hope Avenue South Road, Yancheng Economic and Technological Development Zone, Yancheng City, Jiangsu Province, 224000 Applicant after: China Express (Jiangsu) Technology Co., Ltd. Address before: 202150 Room 8438, 3 Building 1700, Chongming District, Shanghai (Shanghai Port-side Economic Zone) Applicant before: China Express Holdings Co., Ltd. |
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