CN209514001U - The circuit of relay adhesion detection - Google Patents
The circuit of relay adhesion detection Download PDFInfo
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- CN209514001U CN209514001U CN201822149757.3U CN201822149757U CN209514001U CN 209514001 U CN209514001 U CN 209514001U CN 201822149757 U CN201822149757 U CN 201822149757U CN 209514001 U CN209514001 U CN 209514001U
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- circuit
- adhesion
- relay
- power supply
- adhesion detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000005070 sampling Methods 0.000 abstract description 20
- 230000005611 electricity Effects 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
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Abstract
The utility model provides a kind of circuit of relay adhesion detection, 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 utility model relates to relay technical fields, in particular to a kind of circuit of relay adhesion detection.
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.
Utility model content
For above-mentioned problems of the prior art, the utility model provides a kind of electricity of relay adhesion detection
Road.
In a first aspect, the utility model embodiment provides a kind of 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.
The utility model embodiment bring it is following the utility model has the advantages that
The utility model embodiment provides the circuit and voltage sampling method and device of a kind of relay adhesion detection, 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 feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.Said with other advantages to the purpose of this utility model
Specifically noted structure is achieved and obtained in bright book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model 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 right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structure chart of the circuit of relay adhesion detection provided by the utility model first embodiment；
Fig. 2 is a kind of flow chart of voltage sampling method provided by the utility model second embodiment；
Fig. 3 is a kind of structural block diagram of voltage sampling apparatus provided by the utility model second embodiment.
Specific embodiment
To keep the destination, technical solution and advantage of the utility model embodiment clearer, below in conjunction with attached drawing pair
The technical solution of the utility model is clearly and completely described, it is clear that described embodiment is the utility model a part
Embodiment, instead of all the embodiments.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings
It can arrange and design with a variety of different configurations.Therefore, below to the embodiments of the present invention provided in the accompanying drawings
Detailed description be not intended to limit the range of claimed invention, but be merely representative of the selected of the utility model
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
As shown in Figure 1, the circuit of relay adhesion detection, including power supply circuit and relay adhesion detection module；
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 utility model embodiment provides a kind of circuit 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 utility model embodiment provides a kind of voltage sample
Device, 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 utility model embodiment provides the circuit and voltage sampling method and device of a kind of relay adhesion detection, 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 utility model embodiment additionally provides a kind of computer storage medium, provided by the above embodiment for being stored as
Computer software instructions used in device.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present 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 utility model, it should be understood that disclosed system and side
Method may be implemented in other ways.The apparatus embodiments described above are merely exemplary, for example, the unit
Division, only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Described be used as is divided
Unit from part description may or may not be physically separated, component shown as a unit can be or
It may not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can basis
It is actual need 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 utility model can integrate in one processing unit,
It is also possible to each unit to physically exist 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, the technical solution of the utility model substantially or
Person says that the part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
Personal computer, server or the network equipment etc.) execute each embodiment the method for the utility model whole or portion
Step by step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
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 specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (6)
1. a kind of circuit of relay adhesion detection, which is characterized in that including power supply circuit and 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, for detecting the relay
Whether device sticks together；
The adhesion measure loop is equipped with electronic switch.
2. the circuit of relay adhesion detection according to claim 1, which is characterized in that the relay includes that master just connects
Tentaculum and main negative contactor；
The power supply, main positive contactor, motor, main negative contactor and Current Voltage detection module are sequentially connected in series.
3. the circuit of relay adhesion detection according to claim 2, which is characterized in that the relay adhesion detects mould
Block includes three adhesion measure loops, respectively the first adhesion measure loop, the second adhesion measure loop and third adhesion detection
Circuit；
Each adhesion measure loop be equipped with resistance and with the concatenated electronic switch of the resistance.
4. the circuit of relay adhesion detection according to claim 3, which is characterized in that the first adhesion measure loop and institute
State 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. the circuit of relay adhesion according to claim 2 detection, which is characterized in that be equipped in the power supply circuit with
The protection circuit of the positive contactor parallel connection of master.
6. the circuit of relay adhesion detection according to claim 5, which is characterized in that the protection circuit includes successively
Concatenated preliminary filling resistance and preliminary filling contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149757.3U CN209514001U (en) | 2018-12-20 | 2018-12-20 | The circuit of relay adhesion detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149757.3U CN209514001U (en) | 2018-12-20 | 2018-12-20 | The circuit of relay adhesion detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514001U true CN209514001U (en) | 2019-10-18 |
Family
ID=68195913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822149757.3U Active CN209514001U (en) | 2018-12-20 | 2018-12-20 | The circuit of relay adhesion detection |
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| CN (1) | CN209514001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490770A (en) * | 2018-12-20 | 2019-03-19 | 华人运通控股有限公司 | The power supply circuit and voltage sampling method and device of relay adhesion detection |
-
2018
- 2018-12-20 CN CN201822149757.3U patent/CN209514001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490770A (en) * | 2018-12-20 | 2019-03-19 | 华人运通控股有限公司 | The power supply circuit and voltage sampling method and device of relay adhesion detection |
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