CN109659194A - A kind of control relay circuit and power supply - Google Patents
A kind of control relay circuit and power supply Download PDFInfo
- Publication number
- CN109659194A CN109659194A CN201811647266.XA CN201811647266A CN109659194A CN 109659194 A CN109659194 A CN 109659194A CN 201811647266 A CN201811647266 A CN 201811647266A CN 109659194 A CN109659194 A CN 109659194A
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- module
- relay
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- control
- switch
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 230000005669 field effect Effects 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
Landscapes
- Relay Circuits (AREA)
Abstract
A kind of control relay circuit comprising power module, absorption module, reseting module, control module, the first drive module and the second drive module, power module out-put supply signal；The spike leakage inductance voltage that absorption module absorbing coil generates when turning off；Reseting module reduces the spike leakage inductance energy generated when disconnecting after relay starts by the electric current and release coil of coil, so that coil resets；Control module exports first switch control signal and second switch controls signal；First drive module controls signal conduction coil according to first switch to control relay starting, and controls signal shutdown according to first switch after relay starting；Second drive module controls signal conduction according to second switch after relay starting, so that relay is maintained in working condition；Reduced after relay starting by the second drive module and reseting module control and flow through the electric current of coil to maintain starting state, saves the energy of relay unnecessary consumption after actuation.
Description
Technical field
The invention belongs to relay technical field more particularly to a kind of control relay circuits and power supply.
Background technique
Currently, driving voltage is acted directly on the coil of relay by control relay circuit, driven by switch controlled
The on-off of dynamic voltage to realize the switch of control relay, specifically: when switching tube conducting, driving voltage is applied directly to
So that the switch of relay is attracted on coil, and the driving voltage is continued to after relay actuation, when switching tube is disconnected
When opening, the driving voltage being applied on coil is turned off so that the switch of relay disconnects；I.e. existing control relay circuit
For control mode after the actuation moment of the switch of relay and actuation, the coil both ends of relay maintain identical driving always
Voltage, so that relay is almost the same with the energy of the post consumption of actuation in actuation moment；However, the suction of control relay switch
It is larger to close the energy that moment needs, and is maintained required for the attracting state of relay switch after actuation in relay switch
Energy is smaller；Therefore, it is not necessary to remain identical driving voltage after relay switch is attracted moment and is attracted.
Therefore, the control relay circuit in traditional technical solution has that energy loss is high.
Summary of the invention
The present invention provides a kind of control relay circuit and power supply, it is intended to solve the relay control in traditional technical solution
Circuit processed has that energy loss is high.
The invention is realized in this way a kind of control relay circuit, connect with the coil of relay, for controlling starting
With the shutdown relay, the control relay circuit includes:
Power module for out-put supply signal；
It is connect with the power module and the coil, for absorbing the spike leakage inductance voltage generated when coil shutdown
Absorption module；
It is connect with the absorption module and the coil, for reducing the electricity after the relay starts by the coil
Stream and for discharging the spike leakage inductance energy that the generates when coil disconnects, so that the reseting module that the coil resets；
For exporting the control module of first switch control signal and second switch control signal；
It is connect with the control module, the coil and the reseting module, for being controlled according to the first switch
Coil described in signal conduction is controlled after relay starting according to the first switch with controlling the relay starting
First drive module of signal shutdown；And
It is connect with the reseting module and the control module, for being opened after relay starting according to described second
It closes control signal to be connected, so that the relay is maintained in the second drive module of working condition.
In addition, also provide a kind of power supply, including relay, further include for control starting and turn off the relay as
Above-mentioned control relay circuit.
Above-mentioned control relay circuit is opened by setting power module out-put supply signal and control module output first
It closes control signal and second switch controls signal, so that the first drive module controls signal conduction coil according to first switch to control
Relay starting processed, and signal shutdown is controlled according to first switch after relay starting, make the second drive module in relay
Signal conduction is controlled so that relay is maintained in working condition, so that relay leads to after actuation according to second switch after starting
It crosses the second drive module and reseting module reduces the electric current for passing through relay coil, after actuation need not to save relay
The energy to be consumed, and then solve the problems, such as relay there are energy losses and is high.
Detailed description of the invention
Fig. 1 is the module diagram for the control relay circuit that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides control relay circuit module diagram；
Fig. 3 be another embodiment of the present invention provides control relay circuit circuit diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the module diagram of the control relay circuit of present pre-ferred embodiments offer, for the ease of saying
Bright, only the parts related to this embodiment are shown, and details are as follows:
With reference to Fig. 1, a kind of control relay circuit is connect with the coil of relay, for controlling starting and shutdown relay
Device, the control relay circuit include: power module 10, absorption module 20, reseting module 30, the driving of control module 60, first
Module 40 and the second drive module 50.
Wherein, power module 10 is used for out-put supply signal；Absorption module 20 is connect with power module 10 and coil, is used for
The spike leakage inductance voltage that absorbing coil generates when turning off；Reseting module 30 is connect with absorption module 20 and coil, for reduce after
The spike leakage inductance energy generated when being disconnected after appliance starting by the electric current of coil and for release coil, so that coil resets；
Control module 60 is for exporting first switch control signal and second switch control signal；First drive module 40 and control module
60, coil and reseting module 30 connect, for controlling signal conduction coil according to first switch to control relay starting, and
Signal shutdown is controlled according to first switch after relay starting；Second drive module 50 and reseting module 30 and control module 60
Connection is connected for controlling signal according to second switch after relay starts, so that relay is maintained in work shape
State.
In the present embodiment, first switch control is exported by setting 10 out-put supply signal of power module and control module 60
Signal and second switch processed control signal, so that the first drive module 40 controls signal conduction coil according to first switch to control
Relay starting, and signal shutdown is controlled according to first switch after relay starting, make the second drive module 50 in relay
Signal conduction is controlled so that relay is maintained in working condition, so that relay leads to after actuation according to second switch after starting
It crosses the second drive module 50 and reseting module 30 reduces the electric current for passing through relay coil, to save relay after actuation
The energy of unnecessary consumption, and then solve the problems, such as relay there are energy losses and is high.
Fig. 2 is referred in one of the embodiments, and control relay circuit further includes current limliting module 70, the current limliting module
70 connect with power module 10, for carrying out current limliting to power supply signal.The present embodiment may be implemented by current limliting module 70 to electricity
The electric current that source module 10 exports carries out current limliting processing, to prevent the electric current of circuit excessive to damage device.
Fig. 3 is referred in one of the embodiments, and the first drive module 40 includes: first resistor R1 and the first field-effect
Pipe Q1；The first end of first resistor R1 and the control terminal of the first field-effect tube Q1 connect the input for constituting the first drive module 40 altogether
The input terminal of end, the second end of first resistor R1 and the first field-effect tube Q1 are connected to ground, the output end of the first field-effect tube Q1 altogether
For the output end of the first drive module 40.The first field-effect tube Q1 of the present embodiment can be NMOS tube, the grid of NMOS tube,
The source electrode of NMOS tube and the drain electrode of NMOS tube are respectively the input of the control terminal, the first field-effect tube Q1 of the first field-effect tube Q1
The output end of end and the first field-effect tube Q1.The present embodiment is believed by the first field-effect tube Q1 according to the switch control of high level
Number conducting coil, the electric current for exporting power module 10 is by power module 10, the 4th resistance R4, coil, the first field-effect tube
The first circuit that Q1 and the earth are constituted can provide enough since electric current does not pass through reseting module 30 for relay coil
Big electric current, is connected relay.
Fig. 3 is referred in one of the embodiments, and the second drive module 50 includes: second resistance R2 and the second field-effect
Pipe Q2；The first end of second resistance R2 and the control terminal of the second field-effect tube Q2 connect the input for constituting the second drive module 50 altogether
The input terminal of end, the second end of second resistance R2 and the second field-effect tube Q2 are connected to ground, the output end of the second field-effect tube Q2 altogether
For the output end of the second drive module 50.The second field-effect tube Q2 of the present embodiment can be NMOS tube, the grid of NMOS tube,
The source electrode of NMOS tube and the drain electrode of NMOS tube are respectively the input of the control terminal, the first field-effect tube Q1 of the first field-effect tube Q1
The output end of end and the first field-effect tube Q1.The present embodiment is opened by the second field-effect tube Q2 control according to the second of high level
Control signal conduction is closed, and after relay starting, the first field-effect tube Q1 shutdown keeps the electric current of the output of power module 10 logical
The second servo loop that power module 10, the 4th resistance R4, coil, 3rd resistor R3, the second field-effect tube Q2 and the earth are constituted is crossed,
Since output electric current passes through reseting module 30, so that relay coil reduction is flowed through, to save relay after start-up
The energy of unnecessary consumption, and then solve the problems, such as relay there are energy losses and is high.
Fig. 3 is referred in one of the embodiments, and reseting module 30 includes: 3rd resistor R3 and first diode D1；The
The first end of three resistance R3 be reseting module 30 input terminal and connect with the first end of coil, the second end of 3rd resistor R3 with
The anode of first diode D1 connects altogether and connect with the second drive module 50, and the cathode of first diode D1 is reseting module 30
Output end is simultaneously connect with the second end of coil.The present embodiment can be effectively reduced by 3rd resistor R3 to be led to after relay starting
The electric current of relay coil is crossed, the suitable current for being able to maintain that relay open state can be provided for relay coil, thus
The energy of relay unnecessary consumption after start-up has been saved, and then has solved the problems, such as relay there are energy losses and is high.
Fig. 3 is referred in one of the embodiments, and absorption module 20 includes first capacitor C1；The first of first capacitor C1
End is the input terminal of absorption module 20 and connect with the first end of coil that the second end of first capacitor C1 is the defeated of absorption module 20
Outlet is simultaneously connect with the second end of coil.The first capacitor C1 of the present embodiment can be connected by one or more capacitor or
Parallel connection is constituted, the spike leakage inductance voltage generated when being connected by first capacitor C1 absorbing coil, can be with effective protection leakage inductance spike
First field-effect tube Q1 and the second field-effect tube Q2 are not damaged.
Fig. 3 is referred in one of the embodiments, and current limliting module 70 includes the 4th resistance R4；The first of 4th resistance R4
End is limited the input terminal of flow module 70, and the second end of the 4th resistance R4 is limited the output end of flow module 70.The 4th of the present embodiment
Resistance R4 can be made of one or more resistor in series or parallel connection.
In addition, also provide a kind of power supply, including relay, further include for control starting and turn off the relay as
Above-mentioned control relay circuit.
The working principle of control relay circuit of the invention is illustrated by taking Fig. 3 as an example below, details are as follows:
When relay needs to start, by controlling 10 out-put supply signal of power module, control module 60 is to first
The first switch of the control terminal output high level of effect pipe Q1 controls signal and exports to the control terminal of the second field-effect tube Q2 high
The second switch of level controls signal, so that the first field-effect tube Q1 and the second field-effect tube Q2 conducting, and due to 3rd resistor
The hindrance function of R3, the electric current for exporting power module 10 pass through power module 10, the 4th resistance R4, coil, the first field-effect
3rd resistor R3 is passed through without electric current, so that energy is not lost in 3rd resistor R3 in the first circuit that pipe Q1 and the earth are formed
Amount goes moment attracting electric relay to switch so that relay starts so that coil be enable to obtain sufficiently large energy.
After relay starting, maintains relay switch attracting state only to need lesser energy, pass through control module 60
Low level first switch is exported to the first field-effect tube Q1 and controls signal, so that the first field-effect tube Q1 is turned off, and due to the
One field-effect tube Q1 is on state, so that the electric current for exporting power module 10 passes through power module 10, the 4th resistance R4, line
The second servo loop that circle, 3rd resistor R3, the second field-effect tube Q2 and the earth are formed, at this time since the current limliting of 3rd resistor R3 is made
With so that the energy of relay consumption is smaller, therefore reducing the energy of relay so that the electric current by coil is smaller
Loss.
Beneficial effects of the present invention:
(1) first switch is exported by power module out-put supply signal and control module and controls signal and second switch control
Signal processed, so that the first drive module controls signal conduction coil according to first switch to control relay starting, and in relay
Signal shutdown is controlled according to first switch after device starting, controls the second drive module after relay starting according to second switch
Signal conduction is so that relay is maintained in working condition, so that relay passes through the second drive module after actuation and resets mould
Block reduces the electric current for passing through relay coil.
(2) larger by the electric current of relay coil by the control of the first drive module, so that relay can start, and
Reduce the electric current for flowing through relay coil by the second drive module and reseting module control after relay starting, so that after
The working condition that electric appliance is maintained in save the energy of relay unnecessary consumption after start-up, and then solves
Relay has that energy loss is high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of control relay circuit is connect with the coil of relay, special for controlling starting and turning off the relay
Sign is that the control relay circuit includes:
Power module for out-put supply signal；
It is connect with the power module and the coil, for absorbing the suction of the spike leakage inductance voltage generated when coil shutdown
Receive module；
Connect with the absorption module and the coil, for reducing after relay starting by the electric current of the coil and
For discharging the spike leakage inductance energy generated when the coil disconnects, so that the reseting module that the coil resets；
For exporting the control module of first switch control signal and second switch control signal；
It is connect with the control module, the coil and the reseting module, for controlling signal according to the first switch
The coil is connected to control the relay starting, and signal is controlled according to the first switch after relay starting
First drive module of shutdown；And
It connect, is used for after relay starting according to the second switch control with the reseting module and the control module
Signal processed is connected, so that the relay is maintained in the second drive module of working condition.
2. control relay circuit as described in claim 1, which is characterized in that the control relay circuit further include:
It is connect with the power module, for carrying out the current limliting module of current limliting to the power supply signal.
3. control relay circuit as described in claim 1, which is characterized in that first drive module includes: the first electricity
Resistance and the first field-effect tube；
The control terminal of the first end of the first resistor and first field-effect tube connects altogether constitutes first drive module
The input terminal of input terminal, the second end of the first resistor and first field-effect tube is connected to ground, first field-effect altogether
The output end of pipe is the output end of first drive module.
4. control relay circuit as described in claim 1, which is characterized in that second drive module includes: the second electricity
Resistance and the second field-effect tube；
The control terminal of the first end of the second resistance and second field-effect tube connects altogether constitutes second drive module
The input terminal of input terminal, the second end of the second resistance and second field-effect tube is connected to ground, second field-effect altogether
The output end of pipe is the output end of second drive module.
5. control relay circuit as described in claim 1, which is characterized in that the reseting module include: 3rd resistor and
First diode；
The first end of the 3rd resistor is the input terminal of the reseting module and connect with the first end of the coil, described the
The anode of the second end of three resistance and the first diode connects altogether and connect with second drive module, the one or two pole
The cathode of pipe is the output end of the reseting module and connect with the second end of the coil.
6. control relay circuit as described in claim 1, which is characterized in that the absorption module includes first capacitor；
The first end of the first capacitor is the input terminal of the absorption module and connect with the first end of the coil, described the
The second end of one capacitor is the output end of the absorption module and connect with the second end of the coil.
7. control relay circuit as claimed in claim 2, which is characterized in that the current limliting module includes the 4th resistance；
The first end of 4th resistance is the input terminal of the current limliting module, and the second end of the 4th resistance is the current limliting
The output end of module.
8. a kind of power supply, including relay, which is characterized in that further include for controlling starting and turning off the as above of the relay
State the described in any item control relay circuits of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647266.XA CN109659194B (en) | 2018-12-29 | 2018-12-29 | Relay control circuit and power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647266.XA CN109659194B (en) | 2018-12-29 | 2018-12-29 | Relay control circuit and power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109659194A true CN109659194A (en) | 2019-04-19 |
| CN109659194B CN109659194B (en) | 2024-05-03 |
Family
ID=66118319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811647266.XA Active CN109659194B (en) | 2018-12-29 | 2018-12-29 | Relay control circuit and power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109659194B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745059A (en) * | 2021-09-03 | 2021-12-03 | 国营芜湖机械厂 | PWM relay control circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000113787A (en) * | 1998-10-01 | 2000-04-21 | Aichi Mach Ind Co Ltd | Relay drive device |
| CN1667778A (en) * | 2005-01-08 | 2005-09-14 | 艾默生网络能源系统有限公司 | Bistable contactor drive circuit |
| CN2779590Y (en) * | 2005-03-12 | 2006-05-10 | 佛山市顺德区松本电工实业有限公司 | Low energy consumption relay drive circuit |
| CN204215966U (en) * | 2014-09-26 | 2015-03-18 | 艾默生电气公司 | Relay drive circuit and relay |
| CN106024521A (en) * | 2016-07-05 | 2016-10-12 | 广州金升阳科技有限公司 | Coil control circuit of contactor |
| CN206210703U (en) * | 2016-11-30 | 2017-05-31 | 阿特斯阳光电力集团有限公司 | Electromagnetic relay controls circuit |
| CN209471892U (en) * | 2018-12-29 | 2019-10-08 | 深圳中电长城能源有限公司 | A kind of control relay circuit and power supply |
-
2018
- 2018-12-29 CN CN201811647266.XA patent/CN109659194B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000113787A (en) * | 1998-10-01 | 2000-04-21 | Aichi Mach Ind Co Ltd | Relay drive device |
| CN1667778A (en) * | 2005-01-08 | 2005-09-14 | 艾默生网络能源系统有限公司 | Bistable contactor drive circuit |
| CN2779590Y (en) * | 2005-03-12 | 2006-05-10 | 佛山市顺德区松本电工实业有限公司 | Low energy consumption relay drive circuit |
| CN204215966U (en) * | 2014-09-26 | 2015-03-18 | 艾默生电气公司 | Relay drive circuit and relay |
| CN106024521A (en) * | 2016-07-05 | 2016-10-12 | 广州金升阳科技有限公司 | Coil control circuit of contactor |
| CN206210703U (en) * | 2016-11-30 | 2017-05-31 | 阿特斯阳光电力集团有限公司 | Electromagnetic relay controls circuit |
| CN209471892U (en) * | 2018-12-29 | 2019-10-08 | 深圳中电长城能源有限公司 | A kind of control relay circuit and power supply |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113745059A (en) * | 2021-09-03 | 2021-12-03 | 国营芜湖机械厂 | PWM relay control circuit |
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| Publication number | Publication date |
|---|---|
| CN109659194B (en) | 2024-05-03 |
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Effective date of registration: 20211104 Address after: 542400 east area of Ertang Comprehensive Industrial Park, Pingle County, Guilin City, Guangxi Zhuang Autonomous Region Applicant after: Great Wall Power Technology (Guangxi) Co.,Ltd. Address before: 518000 north and second floor, building 10, Great Wall Industrial Park, Shuitian community, Shiyan street, Bao'an District, Shenzhen, Guangdong Applicant before: CHINA ELECTRONICS GREATWALL ENERGY (SHENZHEN) CO.,LTD. |
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