CN206210703U - Electromagnetic relay controls circuit - Google Patents
Electromagnetic relay controls circuit Download PDFInfo
- Publication number
- CN206210703U CN206210703U CN201621300619.5U CN201621300619U CN206210703U CN 206210703 U CN206210703 U CN 206210703U CN 201621300619 U CN201621300619 U CN 201621300619U CN 206210703 U CN206210703 U CN 206210703U
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- China
- Prior art keywords
- electromagnetic relay
- switching tube
- resistance
- drive module
- adhesive
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- 239000000853 adhesive Substances 0.000 claims abstract description 47
- 230000001070 adhesive effect Effects 0.000 claims abstract description 47
- 238000012423 maintenance Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 9
- 230000003111 delayed effect Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004821 Contact adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The utility model provides a kind of electromagnetic relay and controls circuit, and it includes and the driving power supply and electromagnetic relay for enabling the drive circuit that is connected of signal and being connected with the drive circuit.The drive circuit includes the adhesive drive module that the delay and running module being connected with enable signal is connected with delay and running module and the maintenance drive module being connected with driving power supply and electromagnetic relay, the maintenance drive module, adhesive drive module and delay and running module are respectively equipped with switching tube, and in adhesive electromagnetic relay, the switching tube conducting of adhesive drive module and maintenance drive module, in electromagnetic relay maintains attracting process, the switching tube conducting of delay and running module and maintenance drive module.Compared to prior art, electromagnetic relay of the present utility model controls the circuit can be in the driving moment of the electromagnetic relay energy larger for coil is provided, for coil provides less energy during maintaining adhesive after relay adhesive, so that reduce loss.
Description
Technical field
The utility model is related to a kind of electromagnetic relay, more particularly to a kind of electromagnetic relay control circuit.
Background technology
Electromagnetic relay is a kind of electronic control device, and it has control system（Also known as input circuit）With by control system
（Also known as output loop）, it is commonly used in automatic control circuit, it is actually to be gone to control larger current with less electric current
One kind " automatic switch ", therefore play in circuit automatically adjust, safeguard protection, the effect such as change-over circuit.
Electromagnetic relay is typically made up of iron core, coil, armature, contact etc..As long as adding certain electricity at coil two ends
Pressure, will pass through electric current in coil, so as to produce magnetic field, armature will overcome the pulling force of return spring to be drawn under magnetic fields
Iron core, so that band moving armature and contact adhesive.After coil blackout, the magnetic field that coil is produced also disappears therewith, and armature will be
Original position is returned under the reaction force of spring, armature is disconnected with original contact.Adhesive, release are so completed, so that
The purpose for turning in circuit, cutting off is reached.
Electromagnetic relay needs larger energy in the moment of adhesive, and attracting state is maintained then after electromagnetic relay adhesive
Less energy is needed, therefore energy how is reasonably distributed during the driving of electromagnetic relay as electromagnetic relay drive
It is dynamic to design the factor for needing emphasis to consider.
Currently for the drive circuit that direct current electromagnetic relay is used, as shown in figure 1, DC voltage is directly acted on
The coil of electromagnetic relay, the purpose of control electromagnetic relay switch is reached by the break-make of power switch control voltage.When
After power switch is connected, driving voltage is applied directly on coil, makes electromagnetic relay adhesive；When power switch disconnects, drive
Voltage is separated with coil, so that electromagnetic relay disconnects.
It can be seen that, the process that this kind of type of drive is maintained after the moment of electromagnetic relay adhesive and electromagnetic relay adhesive
In, the voltage at coil two ends is whole driving voltage, therefore during the moment of electromagnetic relay adhesive and maintenance, electricity
The energy of magnetic relay consumption is about the same, and this will cause electromagnetic relay seriously to be generated heat in attracting process is maintained, and not only need
Increase extra heat abstractor, while also result in more energy losses.
In view of this, circuit is controlled it is necessory to provide a kind of new electromagnetic relay, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of new electromagnetic relay control circuit, electromagnetic relay control
Circuit can maintain adhesive in the driving moment of the electromagnetic relay energy larger for coil is provided after electromagnetic relay adhesive
During provide less energy for coil.
To realize above-mentioned utility model purpose, the utility model provides a kind of electromagnetic relay and controls circuit, and it includes
The drive circuit being connected with enable signal and the driving power supply being connected with the drive circuit and electromagnetic relay, the driving electricity
Road include with enable adhesive drive module that the delay and running module that is connected of signal is connected with delay and running module and with driving
The maintenance drive module that power supply is connected with electromagnetic relay, the maintenance drive module, adhesive drive module and delay and running mould
Block is respectively equipped with switching tube, and in electromagnetic relay described in adhesive, the adhesive drive module is opened with maintenance drive module
Pipe conducting is closed, in electromagnetic relay maintains attracting process, the switching tube of the delay and running module and maintenance drive module is led
It is logical.
Used as further improvement of the utility model, the switching tube is FET.
Used as further improvement of the utility model, the maintenance drive module includes switching tube Q1, resistance R1 and resistance
R2, and the drain electrode of the switching tube Q1 is connected by resistance R1 with electromagnetic relay, grid passes through resistance R2 and enables signal phase
Even, source electrode is connected with driving power supply.
Used as further improvement of the utility model, the resistance R1 is divider resistance, and the resistance R2 is switching tube Q1
Driving current-limiting resistance.
Used as further improvement of the utility model, the maintenance drive module also includes resistance R3, and the resistance R3
One end be connected with the grid of switching tube Q1, the other end is connected with driving power supply, with enable signal as " 0 " when, to switching tube
The gate discharge of Q1, closes switching tube Q1.
Used as further improvement of the utility model, the adhesive drive module includes switching tube Q2 and resistance R4, and institute
The drain electrode for stating switching tube Q2 is connected with electromagnetic relay, grid is connected by resistance R4 with enable signal, source electrode and driving power supply
It is connected.
Used as further improvement of the utility model, the adhesive drive module also includes resistance R5, and the resistance R5
One end be connected with the grid of switching tube Q2, the other end is connected with driving power supply, with enable signal as " 0 " when, to switching tube
The gate discharge of Q2, closes switching tube Q2.
Used as further improvement of the utility model, the delay and running module includes switching tube Q3, resistance R6 and electric capacity
C1, and the drain electrode of the switching tube Q3 is connected with the grid of the switching tube Q2, grid is connected by resistance R6 with enable signal,
Source electrode is connected with driving power supply, and one end of the electric capacity C1 is connected with the grid of switching tube Q3, the other end is connected with driving power supply,
When signal is enabled as " 1 ", to make switching tube Q3 Delayed conductings.
As further improvement of the utility model, the delay and running module also include resistance R7, the resistance R7 with
The electric capacity C1 is arranged in parallel, and one end of the resistance R7 be connected with the grid of switching tube Q3, the other end and driving power supply phase
Even, with when signal is enabled as " 0 ", to the gate discharge of switching tube Q3, close switching tube Q3, while giving electric capacity C1 electric discharges.
Used as further improvement of the utility model, the two ends of the electromagnetic relay have been arranged in parallel fly-wheel diode,
To form the electromagnetism continuous current circuit of electromagnetic relay.
The beneficial effects of the utility model are：Be set to for drive circuit by electromagnetic relay control circuit of the present utility model
Including delay and running module, adhesive drive module and maintenance drive module, so as in adhesive electromagnetic relay, drive adhesive
Module and maintenance drive module are obtained and enable signal, for coil provides larger energy；Maintain to inhale after electromagnetic relay adhesive
During conjunction, make delay and running module and maintain drive module to obtain enable signal, for coil provides less energy, and then
The energy loss of electromagnetic relay coil is reduced, coil heating problem is effectively prevent.
Brief description of the drawings
Fig. 1 is the drive circuit for being used for direct current electromagnetic relay in the prior art.
Fig. 2 is the circuit theory diagrams that the utility model electromagnetic relay controls circuit.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and specific implementation
Example is described in detail to the utility model.
Refer to shown in Fig. 2, the utility model provides a kind of electromagnetic relay and controls circuit, it includes and enables signal
（Enable）Connected drive circuit 10 and the driving power supply 20 being connected with the drive circuit 10 and electromagnetic relay 30.
The positive pole of the driving power supply 20 is connected with the electromagnetic relay 30, negative pole is connected with the drive circuit 10.
The two ends of the electromagnetic relay 30 have been arranged in parallel sustained diode 1, are returned with the electromagnetism afterflow for forming electromagnetic relay 30
Road.
The drive circuit 10 includes and enables signal（Enable）Connected delay and running module 11 and delay and running mould
The connected adhesive drive module 12 of block 11 and the maintenance drive module 13 being connected with driving power supply 20 and electromagnetic relay 30.Institute
State maintenance drive module 13, adhesive drive module 12 and delay and running module 11 and be respectively equipped with switching tube, and in electricity described in adhesive
During magnetic relay 30, the switching tube conducting of the adhesive drive module 12 and maintenance drive module 13 is tieed up in electromagnetic relay 30
Hold in attracting process, the switching tube of the delay and running module 11 and maintenance drive module 13 is turned on.It is described to open in the present embodiment
It is FET to close pipe.
The maintenance drive module 13 includes switching tube Q1, resistance R1 and resistance R2, and the drain electrode of the switching tube Q1 is led to
Cross the resistance R1 be connected with electromagnetic relay 30, grid by the resistance R2 with enable signal（Enable）Connected, source electrode
Negative pole with driving power supply 20 is connected.The resistance R1 is divider resistance, and the resistance R2 is the driving current limliting electricity of switching tube Q1
Resistance.
The maintenance drive module 13 also includes resistance R3, and one end of the resistance R3 and the switching tube Q1 grid
It is connected, the other end is connected with the negative pole of driving power supply 20, so as to enable signal（Enable）During for " 0 ", can be by the electricity
Resistance R3 then closes switching tube Q1 to the gate discharge of switching tube Q1.
The adhesive drive module 12 include switching tube Q2 and resistance R4, and the switching tube Q2 drain electrode and the electromagnetism
Relay 30 is connected, grid is by the resistance R4 and enable signal（Enable）The negative pole of connected, source electrode and driving power supply 20
It is connected.
The adhesive drive module 12 also includes resistance R5, and one end of the resistance R5 and the switching tube Q2 grid
It is connected, the other end is connected with the negative pole of driving power supply 20, so as to enable signal（Enable）During for " 0 ", can be by the electricity
Resistance R5 then closes switching tube Q2 to the gate discharge of switching tube Q2.
The delay and running module 11 include switching tube Q3, resistance R6 and electric capacity C1, and the drain electrode of the switching tube Q3 with
The grid of the switching tube Q2 is connected, grid is by resistance R6 and enable signal（Enable）Connected, source electrode and driving power supply 20
Negative pole be connected.One end of the electric capacity C1 is connected with the grid of switching tube Q3, the other end is connected with the negative pole of driving power supply 20,
So as to enable signal（Enable）During for " 1 ", can by electric capacity C1 charge and make switching tube Q3 grid voltage it is slow on
Rise, then make switching tube Q3 Delayed conductings.During being charged to electric capacity C1, the resistance R6 can play the work of current limliting
With.The resistance R4 is used to when switching tube Q3 is turned on, it is to avoid enable signal（Enable）With ground（GND）Connect and form short
Road.
The delay and running module 11 is also including resistance R7, and the resistance R7 is arranged in parallel with the electric capacity C1, and described
One end of resistance R7 is connected with the grid of switching tube Q3, the other end is connected with the negative pole of driving power supply 20, so as to enable signal
（Enable）During for " 0 ", can close then switching tube Q3 by the resistance R7 to the gate discharge of switching tube Q3.Make
Can signal（Enable）During for " 0 ", the resistance R7 also gives electric capacity C1 electric discharges simultaneously.
The concrete operating principle of the utility model electromagnetic relay control circuit will be illustrated below.
As shown in Fig. 2 the process of adhesive electromagnetic relay 30：Enable signal（Enable）It is " 1 ", delay and running module 11
Obtain and enable signal（Enable）And electric capacity C1 is charged, so that switching tube Q3 Delayed conductings；The He of adhesive drive module 12
Maintain drive module 13 to obtain and enable signal（Enable）Afterwards, switching tube Q1 and switching tube Q2 are simultaneously turned on, because switching tube Q2's
Drain electrode and resistance R1 are connected with electromagnetic relay 30, therefore resistance R1 and switching tube Q1 are shorted, now electromagnetic relay 30 and
Switching tube Q2 is in series, so that the driving voltage that the coil of electromagnetic relay 30 is born is ucoil（ucoilIt is whole driving power supply electricity
Pressure）, electromagnetic relay 30 is by adhesive.
The process of adhesive is maintained after the adhesive of electromagnetic relay 30：Delay and running module 11 by after the time delay of certain hour,
Switching tube Q3 is turned on, and promotes switching tube Q2 to disconnect, and drive module 13 and delay and running are now only maintained in drive circuit 10
Module 11 is in the conduction state, and electromagnetic relay 30, resistance R1 and switching tube Q1 are serially connected, therefore, in dividing for resistance R1
Under pressure effect, the voltage at the coil two ends of electromagnetic relay 30 is much smaller than ucoil.The loss power of electromagnetic relay 30,
Due to ucoilReduce, so the power reduction of the consumption of electromagnetic relay 30, for whole drive circuit 10, due in electromagnetism
Relay 30 maintains internal resistance increase during adhesive, so loss reduces.
In sum, electromagnetic relay control circuit of the present utility model is set to by time delay drive by by drive circuit 10
Dynamic model block 11, adhesive drive module 12 and maintenance drive module 13 are constituted, so as in adhesive electromagnetic relay 30, will switch
Pipe Q2 and switching tube Q1 is turned on, for the coil of electromagnetic relay 30 provides larger energy, and after the adhesive of electromagnetic relay 30
During maintaining adhesive, switching tube Q3 and switching tube Q1 can be turned on, for the coil of electromagnetic relay 30 provides less energy
Amount, and then the energy loss of the coil of electromagnetic relay 30 is reduced, effectively prevent the problem of the coil heating of electromagnetic relay 30.
Above example is only used to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiment pair
The utility model has been described in detail, it will be understood by those within the art that, can be to technology of the present utility model
Scheme is modified or equivalent, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. a kind of electromagnetic relay control circuit, including with enable drive circuit that signal is connected and be connected with the drive circuit
Driving power supply and electromagnetic relay, it is characterised in that：The drive circuit includes and enables the delay and running mould that signal is connected
Adhesive drive module that block is connected with delay and running module and the maintenance being connected with driving power supply and electromagnetic relay drive mould
Block, the maintenance drive module, adhesive drive module and delay and running module are respectively equipped with switching tube, and in electromagnetism described in adhesive
During relay, the switching tube conducting of the adhesive drive module and maintenance drive module maintains attracting process in electromagnetic relay
In, the switching tube conducting of the delay and running module and maintenance drive module.
2. electromagnetic relay according to claim 1 controls circuit, it is characterised in that：The switching tube is FET.
3. electromagnetic relay according to claim 2 controls circuit, it is characterised in that：The maintenance drive module includes opening
Pipe Q1, resistance R1 and resistance R2 are closed, and the drain electrode of the switching tube Q1 is connected by resistance R1 with electromagnetic relay, grid passes through
Signal is connected resistance R2, source electrode is connected with driving power supply with enable.
4. electromagnetic relay according to claim 3 controls circuit, it is characterised in that：The resistance R1 is divider resistance,
The resistance R2 is the driving current-limiting resistance of switching tube Q1.
5. electromagnetic relay according to claim 3 controls circuit, it is characterised in that：The maintenance drive module also includes
Resistance R3, and one end of the resistance R3 is connected with the grid of switching tube Q1, the other end is connected with driving power supply, to enable letter
Number for " 0 " when, to the gate discharge of switching tube Q1, make switching tube Q1 close.
6. electromagnetic relay according to claim 2 controls circuit, it is characterised in that：The adhesive drive module includes opening
Pipe Q2 and resistance R4 is closed, and the drain electrode of the switching tube Q2 is connected with electromagnetic relay, grid passes through resistance R4 and enables signal
It is connected, source electrode is connected with driving power supply.
7. electromagnetic relay according to claim 6 controls circuit, it is characterised in that：The adhesive drive module also includes
Resistance R5, and one end of the resistance R5 is connected with the grid of switching tube Q2, the other end is connected with driving power supply, to enable letter
Number for " 0 " when, to the gate discharge of switching tube Q2, make switching tube Q2 close.
8. electromagnetic relay according to claim 6 controls circuit, it is characterised in that：The delay and running module includes opening
Pipe Q3, resistance R6 and electric capacity C1 are closed, and the drain electrode of the switching tube Q3 is connected with the grid of the switching tube Q2, grid passes through electricity
Resistance R6 with enable that signal is connected, source electrode is connected with driving power supply, one end of the electric capacity C1 is connected with the grid of switching tube Q3, separately
One end is connected with driving power supply, when signal is enabled as " 1 ", to make switching tube Q3 Delayed conductings.
9. electromagnetic relay according to claim 8 controls circuit, it is characterised in that：The delay and running module also includes
Resistance R7, the resistance R7 are arranged in parallel with the electric capacity C1, and one end of the resistance R7 be connected with the grid of switching tube Q3,
The other end is connected with driving power supply, with when signal is enabled as " 0 ", to the gate discharge of switching tube Q3, closes switching tube Q3,
Electric capacity C1 electric discharges are given simultaneously.
10. electromagnetic relay according to claim 1 controls circuit, it is characterised in that：The two ends of the electromagnetic relay
Fly-wheel diode is arranged in parallel, to form the electromagnetism continuous current circuit of electromagnetic relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300619.5U CN206210703U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic relay controls circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300619.5U CN206210703U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic relay controls circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206210703U true CN206210703U (en) | 2017-05-31 |
Family
ID=58754202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621300619.5U Active CN206210703U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic relay controls circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206210703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659194A (en) * | 2018-12-29 | 2019-04-19 | 深圳中电长城能源有限公司 | A kind of control relay circuit and power supply |
-
2016
- 2016-11-30 CN CN201621300619.5U patent/CN206210703U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659194A (en) * | 2018-12-29 | 2019-04-19 | 深圳中电长城能源有限公司 | A kind of control relay circuit and power supply |
| CN109659194B (en) * | 2018-12-29 | 2024-05-03 | 长城电源技术(广西)有限公司 | Relay control circuit and power supply |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Address before: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. |