CN207097747U - A kind of anti-bonding circuit of relay contact - Google Patents
A kind of anti-bonding circuit of relay contact Download PDFInfo
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- CN207097747U CN207097747U CN201721090440.6U CN201721090440U CN207097747U CN 207097747 U CN207097747 U CN 207097747U CN 201721090440 U CN201721090440 U CN 201721090440U CN 207097747 U CN207097747 U CN 207097747U
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- 230000005611 electricity Effects 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 4
- 238000012356 Product development Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a kind of anti-bonding circuit of relay contact, including single-chip microcomputer U1, power module, relay control module, signal acquisition module；Relay K1 contacts are gathered by signal acquisition module and viscous dead signal occur；When relay K1 contacts occur viscous dead, the voltage that single-chip microcomputer U1 signal acquisition port collects is impulse wave, then single-chip microcomputer U1 voltage output port output 100ms high level, the low level square waves of 100ms, the voltage for making relay K1 coils both ends is in that the impulse type voltage using 200MS as the cycle converts, the continuous change of magnetic force is produced using relay K1 coils shakes apart relay K1 contacts, makes the normal control logic of relay recovery.The anti-bonding circuit of relay contact provided by the utility model, designed by the voltage dithering of relay, solve relay contact adhesion problem caused by aging, extend the service life of relay, can be widely used in actual product development.
Description
Technical field
Relay protection circuit field is the utility model is related to, more particularly to a kind of anti-bonding circuit of relay contact.
Background technology
Many high power load products of in the market are required for controlling its normal work using relay, and relay makes
The service life of product is directly affects with the life-span, so the service life for extending relay is each product producer needs
The problem of considering emphatically；Particularly after the long-time aging of relay, gluing extremely easily occurs in contact, causes product to occur not
The problem of controlled, although adding temperature protector in the structure design of product, the reliability to product is also to beat greatly
Discount.
Utility model content
To solve the problems, such as to mention in above-mentioned background technology, a kind of anti-bonding electricity of relay contact provided by the utility model
Road, including single-chip microcomputer U1, power module, relay K1, diode D3, triode Q1, resistance R5, resistance R6, resistance R7, resistance
R8 and resistance R9, wherein：
The power module switchs one end with relay K1 and is connected；The relay K1 switch other ends and the resistance R7
One end connects；The resistance R7 other ends are connected with resistance R8 one end；Described resistance R9 one end, the resistance R8 other ends are and monolithic
Machine U1 signal acquisition port connection；The resistance R9 other ends ground connection；
Relay K1 coils one end, diode D3 negative poles are connected with the first power supply；The relay K1 coils other end, two poles
Pipe D3 positive poles are connected with triode Q1 colelctor electrodes；Triode Q1 base stages are connected with resistance R5 one end and resistance R6 one end；Three poles
Pipe Q1 emitter stages and the equal grounding connection of the resistance R5 other ends；The resistance R6 other ends are connected with single-chip microcomputer U1 voltage output port；
The voltage output port output pulse square wave of the single-chip microcomputer U1.
Further, the power module is made up of circuits below structure：Resistance R1 is just extremely exchanging defeated with diode D2
Enter end；The resistance R1 other ends are connected with resistance R2 one end and electric capacity C1 one end；The resistance R2 other ends, the electric capacity C1 other ends, two poles
Pipe D2 negative poles are connected with diode D1 positive poles；
Diode D1 negative poles, electric capacity C2 one end, voltage-stabiliser tube ZD1 negative poles, resistance R3 one end are connected with the first power supply；
The resistance R3 other ends, electric capacity C3 one end, voltage-stabiliser tube ZD2 negative poles, electric capacity C4 one end, resistance R4 one end are electric with second
Source connects；
The diode D2 positive poles, the electric capacity C2 other ends, voltage-stabiliser tube ZD1 positive poles, the electric capacity C3 other ends, voltage-stabiliser tube ZD2 are just
Pole, the electric capacity C4 other ends with resistance R4 other end grounding connections；
The resistance R1 is connected to relay K1 switches.
Further, the model SN8P27226SG of the single-chip microcomputer U1；The VSS pins ground connection of the single-chip microcomputer U1,
VDD pins are connected with second source；The signal acquisition port of the single-chip microcomputer U1 is P0.7 pins；The voltage of the single-chip microcomputer U1
Output port is P5.4 pins.
Further, the relay K1 is BPD-24V type relays.
Further, the model I N4148 of the diode D3.
Further, the triode Q1 is NPN type.
Further, first supply voltage value is higher than second source magnitude of voltage.
Further, the diode D1, diode D2 are M7 type diodes.
Further, the voltage-stabiliser tube ZD1 models 2EZ24D5；The parameter of the voltage-stabiliser tube ZD2 is 5V1 1/2W.
The anti-bonding circuit of relay contact provided by the utility model, it is made up of resistance R7, resistance R8 and resistance R9
There is viscous dead signal in signal acquisition module, collection relay K1 contacts；When relay K1 contacts occur viscous dead, single-chip microcomputer U1
The voltage that collects of signal acquisition port be impulse wave, then single-chip microcomputer U1 voltage output port output 100ms high level,
The low level square waves of 100ms, the voltage for making relay K1 coils both ends are in that the impulse type voltage using 200MS as the cycle converts, profit
The continuous change of magnetic force is produced with relay K1 coils shakes apart relay K1 contacts；After relay K1 contacts are shaken apart, tremble
It is dynamic to eliminate therewith, recover normal relay control logic.The anti-bonding circuit of relay contact provided by the utility model, pass through
Actual verification effect is effective, solves relay due to aging by the voltage dithering circuit structure design of relay to lead
The contact adhesion problem of cause, extends relay service life；It can be widely applied in actual product development.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of the anti-bonding circuit of relay contact provided by the utility model.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
The utility model embodiment provides a kind of anti-bonding circuit of relay contact, including single-chip microcomputer U1, power module, after
Electrical equipment K1, diode D3, triode Q1, resistance R5, resistance R6, resistance R7, resistance R8 and resistance R9, wherein：
The power module switchs one end with relay K1 and is connected；The relay K1 switch other ends and the resistance R7
One end connects；The resistance R7 other ends are connected with resistance R8 one end；Described resistance R9 one end, the resistance R8 other ends are and monolithic
Machine U1 signal acquisition port connection；The resistance R9 other ends ground connection；
Relay K1 coils one end, diode D3 negative poles are connected with the first power supply；The relay K1 coils other end, two poles
Pipe D3 positive poles are connected with triode Q1 colelctor electrodes；Triode Q1 base stages are connected with resistance R5 one end and resistance R6 one end；Three poles
Pipe Q1 emitter stages and the equal grounding connection of the resistance R5 other ends；The resistance R6 other ends are connected with single-chip microcomputer U1 voltage output port；
The voltage output port output pulse square wave of the single-chip microcomputer U1.
When it is implemented, as shown in figure 1, power module by AC conversion be 24V and 5V direct current, power module with
Relay K1 switchs one end connection；The relay K1 switch other ends are connected with resistance R7 one end；The resistance R7 other ends and resistance R8
One end connects；Resistance R9 one end, the resistance R8 other ends are connected with single-chip microcomputer U1 signal acquisition port；Another terminations of resistance R9
Ground；Resistance R7, resistance R8 and resistance R9 form the signal acquisition module that collection relay contact glues the dead letter number；
Relay K1 coils one end, diode D3 negative poles are connected with the first power supply；The relay K1 coils other end, two poles
Pipe D3 positive poles are connected with triode Q1 colelctor electrodes；Triode Q1 base stages are connected with resistance R5 one end and resistance R6 one end；Three poles
Pipe Q1 emitter stages and the equal grounding connection of the resistance R5 other ends；The resistance R6 other ends are connected with single-chip microcomputer U1 voltage output port；
Diode D3, triode Q1, resistance R5 and resistance R6 form relay control module, triode Q1 control relays it is logical with
Disconnected, diode D3 is fly-wheel diode；
Single-chip microcomputer U1 voltage output port output pulse square wave；
The magnitude of voltage of first power supply is+24V；The magnitude of voltage of second source is+5V；
Resistance R5 resistance is 10K Ω；Resistance R6 resistance is 10K Ω；Resistance R7 resistance is 220K Ω；Resistance R8's
Resistance is 220K Ω；Resistance R9 resistance is 47K Ω；
As shown in figure 1, when relay control module REL outputs are low level state, triode Q1 ends, relay K1's
Contact disconnects, and the voltage gathered at ZERO is low level；When relay K1 contact, the viscous dead voltage then gathered at ZERO is arteries and veins
Rush ripple；
Single-chip microcomputer U1 internal processes judge the voltage collected at signal acquisition module ZERO, if the voltage collected is arteries and veins
Ripple is rushed, 100ms high level is exported at single-chip microcomputer U1 voltage output port REL, the low level square waves of 100ms, makes relay line
The voltage at both ends is enclosed in the impulse type voltage using 200MS as the cycle, the continuous change of magnetic force is produced using coil shakes apart contact；
Single-chip microcomputer U1 constantly detects whether current contact has disconnection during shake, and after contact is shaken apart, shake is therewith
Eliminate, recover normal relay control logic.
The anti-bonding circuit of relay contact provided by the utility model, it is made up of resistance R7, resistance R8 and resistance R9
There is viscous dead signal in signal acquisition module, collection relay K1 contacts；When relay K1 contacts occur viscous dead, single-chip microcomputer U1
The voltage that collects of signal acquisition port be impulse wave, then single-chip microcomputer U1 voltage output port output 100ms high level,
The low level square waves of 100ms, the voltage for making relay K1 coils both ends are in that the impulse type voltage using 200MS as the cycle converts, profit
The continuous change of magnetic force is produced with relay K1 coils shakes apart relay K1 contacts；After relay K1 contacts are shaken apart, tremble
It is dynamic to eliminate therewith, recover normal relay control logic.The anti-bonding circuit of relay contact provided by the utility model, pass through
Actual verification effect is effective, solves relay due to aging by the voltage dithering circuit structure design of relay to lead
The contact adhesion problem of cause, extends relay service life；It can be widely applied in actual product development.
Preferably, the power module is made up of circuits below structure：Resistance R1 just extremely exchanges input with diode D2
End；The resistance R1 other ends are connected with resistance R2 one end and electric capacity C1 one end；The resistance R2 other ends, the electric capacity C1 other ends, diode
D2 negative poles are connected with diode D1 positive poles；
Diode D1 negative poles, electric capacity C2 one end, voltage-stabiliser tube ZD1 negative poles, resistance R3 one end are connected with the first power supply；
The resistance R3 other ends, electric capacity C3 one end, voltage-stabiliser tube ZD2 negative poles, electric capacity C4 one end, resistance R4 one end are electric with second
Source connects；
The diode D2 positive poles, the electric capacity C2 other ends, voltage-stabiliser tube ZD1 positive poles, the electric capacity C3 other ends, voltage-stabiliser tube ZD2 are just
Pole, the electric capacity C4 other ends with resistance R4 other end grounding connections；
The resistance R1 is connected to relay K1 switches；
Resistance R1 parameter is 47 Ω 2W；Resistance R2 resistance is 470K Ω；Resistance R3 resistance is 1.8K Ω；Resistance R4
Resistance be 4.7K Ω；Electric capacity C1 parameter is 1.0 μ F/250VDC；Electric capacity C2 parameter is 35V/100 μ F；Electric capacity C3 ginseng
Number is 10V/100 μ F；Electric capacity C4 capacitance is 0.1 μ F；Voltage-stabiliser tube ZD2 parameter is 5V1 1/2W；Triode Q1 is A42 types
Triode.
The anti-bonding circuit of relay contact that the utility model embodiment provides, power module is by 120V AC50/60HZ
1500W AC conversion is 24V and 5V direct current, to meet signal acquisition module, relay control module and single-chip microcomputer
U1 demand, it ensure that normal, the steady operation of the anti-bonding circuit of whole relay contact.
Preferably, the model SN8P27226SG of the single-chip microcomputer U1；The VSS pins ground connection of the single-chip microcomputer U1, VDD
Pin is connected with second source；The signal acquisition port of the single-chip microcomputer U1 is P0.7 pins；The voltage of the single-chip microcomputer U1 is defeated
Exit port is P5.4 pins.
Preferably, the relay K1 is BPD-24V type relays.
Preferably, the model IN4148 of the diode D3.
Preferably, the triode Q1 is NPN type.
Preferably, first supply voltage value is higher than second source magnitude of voltage.
Preferably, the diode D1, diode D2 are M7 type diodes.
Preferably, the voltage-stabiliser tube ZD1 models 2EZ24D5；The parameter of the voltage-stabiliser tube ZD2 is 5V11/2W.
Although herein it is more used such as single-chip microcomputer, power module, relay, diode, triode, resistance,
The terms such as voltage-stabiliser tube, electric capacity, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more convenient
Ground describes and explains essence of the present utility model；Being construed as any additional limitation is all and the utility model essence
What god disagreed.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (9)
1. a kind of anti-bonding circuit of relay contact, it is characterised in that including single-chip microcomputer U1, power module, relay K1, two poles
Pipe D3, triode Q1, resistance R5, resistance R6, resistance R7, resistance R8 and resistance R9, wherein：
The power module switchs one end with relay K1 and is connected；The relay K1 switch other ends and described resistance R7 one end
Connection；The resistance R7 other ends are connected with resistance R8 one end；Described resistance R9 one end, the resistance R8 other ends with single-chip microcomputer U1
Signal acquisition port connection；The resistance R9 other ends ground connection；
Relay K1 coils one end, diode D3 negative poles are connected with the first power supply；The relay K1 coils other end, diode D3
Positive pole is connected with triode Q1 colelctor electrodes；Triode Q1 base stages are connected with resistance R5 one end and resistance R6 one end；Triode Q1
Emitter stage and the equal grounding connection of the resistance R5 other ends；The resistance R6 other ends are connected with single-chip microcomputer U1 voltage output port；
The voltage output port output pulse square wave of the single-chip microcomputer U1.
2. the anti-bonding circuit of relay contact according to claim 1, it is characterised in that：The power module is by following electricity
Line structure is formed：Resistance R1 and diode D2 just extremely ac input ends；The resistance R1 other ends and resistance R2 one end and electric capacity C1
One end connects；The resistance R2 other ends, the electric capacity C1 other ends, diode D2 negative poles are connected with diode D1 positive poles；
Diode D1 negative poles, electric capacity C2 one end, voltage-stabiliser tube ZD1 negative poles, resistance R3 one end are connected with the first power supply；
The resistance R3 other ends, electric capacity C3 one end, voltage-stabiliser tube ZD2 negative poles, electric capacity C4 one end, resistance R4 one end connect with second source
Connect；
The diode D2 positive poles, the electric capacity C2 other ends, voltage-stabiliser tube ZD1 positive poles, the electric capacity C3 other ends, voltage-stabiliser tube ZD2 positive poles, electricity
Hold the C4 other ends with resistance R4 other end grounding connections；
The resistance R1 is connected to relay K1 switches.
3. the anti-bonding circuit of relay contact according to claim 1, it is characterised in that：The model of the single-chip microcomputer U1
SN8P27226SG；The VSS pins ground connection of the single-chip microcomputer U1, VDD pins are connected with second source；The letter of the single-chip microcomputer U1
Number collection port be P0.7 pins；The voltage output port of the single-chip microcomputer U1 is P5.4 pins.
4. the anti-bonding circuit of relay contact according to claim 1, it is characterised in that：The relay K1 is BPD-
24V type relays.
5. the anti-bonding circuit of relay contact according to claim 1, it is characterised in that：The model of the diode D3
IN4148。
6. the anti-bonding circuit of relay contact according to claim 1, it is characterised in that：The triode Q1 is NPN type.
7. the anti-bonding circuit of relay contact according to claim 2, it is characterised in that：First supply voltage value is high
In second source magnitude of voltage.
8. the anti-bonding circuit of relay contact according to claim 2, it is characterised in that：The diode D1, diode
D2 is M7 type diodes.
9. the anti-bonding circuit of relay contact according to claim 2, it is characterised in that：The voltage-stabiliser tube ZD1 models
2EZ24D5；The parameter of the voltage-stabiliser tube ZD2 is 5V1 1/2W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090440.6U CN207097747U (en) | 2017-08-29 | 2017-08-29 | A kind of anti-bonding circuit of relay contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090440.6U CN207097747U (en) | 2017-08-29 | 2017-08-29 | A kind of anti-bonding circuit of relay contact |
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| Publication Number | Publication Date |
|---|---|
| CN207097747U true CN207097747U (en) | 2018-03-13 |
Family
ID=61539027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721090440.6U Active CN207097747U (en) | 2017-08-29 | 2017-08-29 | A kind of anti-bonding circuit of relay contact |
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| Country | Link |
|---|---|
| CN (1) | CN207097747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148544A (en) * | 2019-05-05 | 2019-08-20 | 北京新能源汽车股份有限公司 | Prevent the method and system of relay adhesion |
| CN112723074A (en) * | 2020-12-30 | 2021-04-30 | 日立电梯（中国）有限公司 | Contact detection method, storage medium and elevator |
-
2017
- 2017-08-29 CN CN201721090440.6U patent/CN207097747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148544A (en) * | 2019-05-05 | 2019-08-20 | 北京新能源汽车股份有限公司 | Prevent the method and system of relay adhesion |
| CN110148544B (en) * | 2019-05-05 | 2021-06-04 | 北京新能源汽车股份有限公司 | Method and device for preventing relay from being adhered |
| CN112723074A (en) * | 2020-12-30 | 2021-04-30 | 日立电梯（中国）有限公司 | Contact detection method, storage medium and elevator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Antiseized circuit that closes of relay contact points Effective date of registration: 20200521 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2020980002394 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210616 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2020980002394 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A relay contact anti bonding circuit Effective date of registration: 20210616 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2021990000529 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220622 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2021990000529 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An anti sticking circuit of relay contact Effective date of registration: 20220623 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2022110000136 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230705 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2022110000136 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A relay contact anti adhesion circuit Effective date of registration: 20230706 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2023110000277 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231220 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2023110000277 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A relay contact anti adhesion circuit Effective date of registration: 20231222 Granted publication date: 20180313 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN CHIPSUN TECHNOLOGY Co.,Ltd. Registration number: Y2023110000543 |
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