CN207397837U - A kind of control circuit for electromagnet - Google Patents
A kind of control circuit for electromagnet Download PDFInfo
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- CN207397837U CN207397837U CN201721181647.4U CN201721181647U CN207397837U CN 207397837 U CN207397837 U CN 207397837U CN 201721181647 U CN201721181647 U CN 201721181647U CN 207397837 U CN207397837 U CN 207397837U
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Abstract
A kind of control circuit for electromagnet, it is characterised in that：Including negative type pulse generator, delay controller, reversed shaping circuit and the driving circuit for controlling work of electromagnet, the output terminal of negative type pulse generator and the input terminal of delay controller connect, the output terminal of delay controller is connected with the input terminal of reversed shaping circuit, reversed shaping circuit has first reversely to export control signal end and the second reversed output control signal end, driving circuit has the first driving circuit and the second driving circuit with reduction voltage circuit, reversely output control signal end and the second reversed output control signal end connect the input terminal of the first driving circuit and the input terminal of the second driving circuit to the first of reversed shaping circuit respectively.Using foregoing circuit electromagnet can be made to work under different operating voltages, voltage be reduced to realize electromagnet to be maintained to be maintained at working condition, so as to reduce system power dissipation, reduce electromagnet to damage caused by due to fever, and entirely control circuit is simple, and it is easy to make, it is at low cost.
Description
Technical field
The utility model is related to a kind of control circuit for electromagnet.
Background technology
At present in electromagnet application, electromagnet is completed after attracting distance, and circuit also maintains initial power consumption state, is inhaled
Gravitation is then converted to the F2 of later positions L2 states by the F1 of initial position L1 states.Since the attraction of electromagnet attracts with it
The principle that distance is inversely proportional, F2>F1.F1 is load maximum resistance in equipment actuator design.When the electromagnet action later stage
F2>F1 will result in the waste of energy.
The Chinese invention patent for having Patent No. ZL201210200129.8 (Publication No. CN102709021B) discloses
A kind of control circuit of electromagnet and solenoid valve, including 3.3V, 12V, 24V DC power supply and control circuit, the control circuit
Including multiple transistors and resistance, capacitance, corresponding adaptation connection, is believed by controlling between the multiple transistor and resistance, capacitance
Opening and shutting off for the variation manipulation related transistor of number level, makes electromagnet and solenoid valve in the case where opening and keeping different operating modes
Different voltage and power is obtained, so as to reach the normal work for not only meeting electromagnet and solenoid valve, but also electric energy is saved, reduces hair
Heat, while play the role of energy conservation and environmental protection, extend electromagnet and solenoid valve service life, but multiple crystal are used in the circuit
Pipe, resistance and capacitance, circuit structure is complicated, when there is the damage of some electricity piece, is not easy to find out reason.
Utility model content
Technical problem to be solved in the utility model is for the above-mentioned state of the art, provides one kind and equally adapts to electricity
It is used under the different operating modes of magnet and control circuit for electromagnet simple in structure, at low cost.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of control circuit for electromagnet, it is special
Sign is：Including negative type pulse generator, delay controller, reversed shaping circuit and for controlling the driving of work of electromagnet electric
Road, the output terminal of the negative type pulse generator and the input terminal of delay controller connect, for providing required pulse signal, institute
The output terminal for stating delay controller is connected with the input terminal of reversed shaping circuit, for exporting a broad-adjustable positive pulse
Signal；The reversed shaping circuit has first reversely to export control signal end and the second reversed output control signal end, described
Driving circuit has the first driving circuit and the second driving circuit with reduction voltage circuit, and the first of above-mentioned reversed shaping circuit is anti-
To output control signal end and second reversely output control signal end connect the input terminal and the of first driving circuit respectively
The input terminal of two driving circuits, while further include and be useful for above-mentioned negative type pulse generator, delay controller, reversed shaping circuit
With driving circuit provide needed for voltage power circuit.
In said program, it is preferred that the negative type pulse generator includes second resistance, the 3rd electrolytic capacitor and presses
Key, the 3rd electrolytic capacitor parallel connection button, the 3rd electrolytic capacitor anode series connection second resistance, the second resistance are another
The output terminal of end connection power circuit, the 3rd electrolytic capacitor cathode ground connection, above-mentioned button and the 3rd electrolytic capacitor anode, the second electricity
Resistance junction is the output terminal of negative type pulse generator.
In said program, a variety of circuit structures may be employed in delay controller, but it is preferred that the delay controller
Including control chip, slide rheostat, the first electrolytic capacitor, the second capacitance and the first diode, the 2nd foot of the control chip
For the input terminal of delay controller, the 3rd foot of the control chip becomes the delay controller after first diode
Output terminal, the 8th foot of the control chip connects the output terminal of power circuit, and the 4th foot of the control chip connects above-mentioned cunning
Dynamic rheostat one end, the 6th foot and the 7th foot of the slide rheostat other end connection control chip, while the control chip
6th foot connects the anode of the first electrolytic capacitor, the cathode of the first electrolytic capacitor respectively with above-mentioned second capacitance, control chip the
1 foot is connected and is grounded, the 5th foot of another termination control chip of the second capacitance.Integrated circuit is used as delay controller core
The heart can further reduce cost of manufacture；And slide rheostat and the first electrolytic capacitor are used in delay time controller circuit
The pulsewidth degree of control output time control pulse, to adapt to different work of electromagnet situations, and it is easy to adjust, it is at low cost.
In said program, for reversed shaping circuit preferably using such as lower structure, it includes the first phase inverter and second
Phase inverter, the input terminal of the reversed shaping circuit become described first and reversely export control letter after being connected with the first inverter series
Number end, the input terminal of the reversed shaping circuit are reversed as described second after be connected with the first phase inverter and the second inverter series
Export control signal end.
In said program, it is preferred that the driving circuit includes three-terminal voltage-stabilizing integrated chip, the first NMOS tube, the
Two NMOS tubes, the second diode, the 3rd diode, the 4th electrolytic capacitor and the 5th electrolytic capacitor, the source of second NMOS tube
Pole is connected with the 1st foot of the 4th electrolytic capacitor anode and three-terminal voltage-stabilizing integrated chip and connects the output terminal of power circuit, described
The grid of second NMOS tube is the input terminal of first driving circuit, and the drain electrode of second NMOS tube connects the three or two pole
Pipe, the 3rd foot of the three-terminal voltage-stabilizing integrated chip connect the drain electrode of the 5th electrolytic capacitor anode and the first NMOS tube, three end
2nd foot of voltage stabilizing integrated chip is connected and is grounded with the 4th electrolytic capacitor cathode and the 5th electrolytic capacitor cathode, and described first
The grid of NMOS tube is the input terminal of second driving circuit, and the source electrode of first NMOS tube connects the second diode,
3rd diode connects the second diode and is connected with one end of electromagnet coil, the other end ground connection of electromagnet coil.
The effect of decompression can be functioned well as using three-terminal voltage-stabilizing integrated chip, and can be further reduced the cost, convenient for making.
Compared with prior art, the utility model has the advantage of：Delay controller is exported by negative type pulse generator
Required positive pulse signal, and obtain first, second through reversed shaping circuit and reversely export control signal, to control driving circuit
In first, second driving circuit, due in the second driving circuit carry reduction voltage circuit, first, second driving circuit energy
Electromagnet is made to work under different operating voltages, voltage is reduced so that electromagnet to be maintained to be maintained at working condition to realize, so as to
System power dissipation is reduced, reduces electromagnet and is damaged caused by due to fever, and entire control circuit is simple, easy to make, cost
It is low.
Description of the drawings
Fig. 1 is circuit block diagram in the utility model embodiment；
Fig. 2 is the circuit diagram of negative type pulse generator in the utility model embodiment；
Fig. 3 is the circuit diagram of delay controller in the utility model embodiment；
Fig. 4 is the circuit diagram of reversed shaping circuit in the utility model embodiment；
Fig. 5 is the circuit diagram of driving circuit in the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figures 1 to 5, a kind of control circuit for electromagnet includes negative type pulse generator, delay controller, reversed shaping
Circuit, driving circuit and power circuit, wherein negative type pulse generator are used for providing required pulse signal, its output terminal connection
The input terminal of delay controller, delay controller are used for exporting a broad-adjustable positive pulse signal, its output terminal with it is anti-
It is connected to the input terminal of shaping circuit, reversed shaping circuit has the first reversely output control signal end and the second reversely output
Control signal end, driving circuit have the first driving circuit and the second driving circuit with reduction voltage circuit, above-mentioned reversed shaping
Reversely output control signal end and the second reversed output control signal end connect first driving circuit to the first of circuit respectively
Input terminal and the second driving circuit input terminal, i.e., by reversed shaping circuit output terminal connection driving circuit corresponding input
End, to control the work of electromagnet.Power circuit is used for negative type pulse generator, delay controller, reversed shaping circuit and drive
Voltage needed for dynamic circuit offer.Now illustrated with specific circuit diagram.
As shown in Fig. 2, negative type pulse generator use following circuit, it include second resistance R2, the 3rd electrolytic capacitor C3 and
Button S1, wherein the 3rd electrolytic capacitor C3 parallel connections button S1, the 3rd electrolytic capacitor C3 anodes series connection second resistance R2, second resistance
The R2 other ends connect the output terminal VCC of power circuit, the 3rd electrolytic capacitor C3 cathode ground connection, button S1 and the 3rd electrolytic capacitor C3
Anode, second resistance R2 junctions are the negative type pulse generator output terminal OUT1.
Above-mentioned negative type pulse generator output terminal OUT1 is connected with delay controller input terminal IN1, and delay controller includes
Chip U1, slide rheostat R1, the first electrolytic capacitor C1, the second capacitance C2 and the first diode D1 are controlled, Fig. 3, this reality please be join
It applies in example, control chip U1 is using NE555 chips, it has eight feet, this controls the 2nd foot of chip U1 as delay controller
The 3rd foot of input terminal IN1, control chip U1 become the output terminal OUT2 of delay controller, the control after the first diode D1
The 8th foot of coremaking piece U1 meets the output terminal VCC of power circuit, and the 4th foot connection slide rheostat R1 one end of control chip U1 is sliding
The 6th foot and the 7th foot of dynamic rheostat R1 other ends connection control chip U1, while the 6th foot of chip U1 is controlled to connect the first electricity
The anode of capacitance C1 is solved, the cathode of the first electrolytic capacitor C1 is connected and connects with the 1st foot of the second capacitance C2, control chip U1 respectively
Ground, the 5th foot of another termination control chip U1 of the second capacitance C2.
Above-mentioned delay controller output terminal OUT2 is connected with reversed shaping circuit input terminal IN2, and reversed shaping circuit is adopted
With circuit as shown in Figure 4, it includes the first phase inverter U3A and the second phase inverter U3B, reversed shaping circuit input terminal IN2
Become first after being connected in series with the first phase inverter U3A and reversely export control signal end OUT3, reversed shaping circuit input terminal IN2
Into going out for the second reversed output control signal end OUT4 after being connected in series with the first phase inverter U3A and the second phase inverter U3B.
Reversely output control signal end OUT3 and second reversely exports control signal end to the first of above-mentioned reversed shaping circuit
OUT4 connects the respective input of driving circuit respectively, and driving circuit is preferentially using circuit as shown in Figure 5, above-mentioned first driving
Circuit is made of the second NMOS tube T2 and the 3rd diode D3, and the second driving circuit is by three-terminal voltage-stabilizing integrated chip U2, first
NMOS tube T1, the second diode D2, the 4th electrolytic capacitor C4 and the 5th electrolytic capacitor C5 compositions, wherein the source of the second NMOS tube T2
Pole is connected with the 1st foot of the 4th electrolytic capacitor C4 anodes and three-terminal voltage-stabilizing integrated chip U2 and connects the output terminal of power circuit
The grid of VCC, the second NMOS tube T2 become the drain electrode connection the 3rd of the input terminal IN3, the second NMOS tube T2 of the first driving circuit
Diode D3.The 3rd foot of three-terminal voltage-stabilizing integrated chip U2 connects the 5th electrolytic capacitor C5 anodes and the drain electrode of the first NMOS tube T1,
The 2nd foot of three-terminal voltage-stabilizing integrated chip U2 is connected and is grounded with the 4th electrolytic capacitor C4 cathode and the 5th electrolytic capacitor C5 cathode,
The source electrode that the grid of first NMOS tube T1 becomes the input terminal IN4, the first NMOS tube T1 of the second driving circuit connects the two or two pole
Pipe D2, the 3rd diode D3 connections the second diode D2 are simultaneously connected, electromagnet YA coils with one end of electromagnet YA coils
The other end ground connection.
In use, pressing the button S1 in negative type pulse generator, negative type pulse generator output terminal OUT1 can generate one
Undersuing is to delay controller；Delay controller input terminal IN1 is received after negative type pulse generator output terminal OUT1 signals i.e.
One positive pulse output signal of generation, the pulse width of positive pulse output signal is by slide rheostat R1 and the first electrolytic capacitor C1
Modulation；Positive pulse output signal is input in reversed shaping circuit input terminal IN2, and it is anti-that first is obtained after reversed shaping circuit
Control signal is reversely exported to output control signal and second, under the action of supply voltage, first reversely exports control signal
Control signal is reversely exported with second to be input in driving circuit, the first NMOS tube T1 in the second driving circuit is controlled to end,
The second NMOS tube T2 conductings in first driving circuit, make electromagnet coil work under supply voltage.After treating positive pulse,
Positive pulse output signal is re-entered into reversed shaping circuit input terminal IN2, and new the is obtained after reversed shaping circuit
One reversely exports control signal and the new second reversed output control signal, the work after three-terminal voltage-stabilizing integrated chip U2 is depressured
Under the action of voltage, the new first reversed output control signal and new second reversely exports control signal control the second driving electricity
The first NMOS tube T1 in road is turned on, and the second NMOS tube T2 cut-offs in the first driving circuit, at this time electromagnet YA movements terminate,
It works in the state of being initially located in after supply voltage is depressured, i.e., in relative quiescent hold mode.Obviously, system can be reduced at this time
Power consumption reduces the fever of electromagnet, and entire control circuit is simple, at low cost.
Claims (5)
1. a kind of control circuit for electromagnet, it is characterised in that：Including negative type pulse generator, delay controller, reversed shaping circuit
With for control electromagnet (YA) work driving circuit, the output terminal (OUT1) and delay controller of the negative type pulse generator
Input terminal (IN1) connection, for providing required pulse signal, the output terminal (OUT2) of the delay controller with it is reversed whole
The input terminal (IN2) of shape circuit is connected, for exporting a broad-adjustable positive pulse signal；The reversed shaping circuit tool
There is first reversely to export control signal end (OUT3) and second and reversely export control signal end (OUT4), the driving circuit has
First driving circuit and the second driving circuit with reduction voltage circuit, the first of above-mentioned reversed shaping circuit reversely exports control letter
Number end (OUT3) and second reversely exports control signal end (OUT4) and connects the input terminal (IN3) of first driving circuit respectively
With the input terminal (IN4) of the second driving circuit, while further include and be useful for above-mentioned negative type pulse generator, delay controller, anti-
To the power circuit of voltage needed for shaping circuit and driving circuit offer.
2. control circuit for electromagnet according to claim 1, it is characterised in that：The negative type pulse generator includes the second electricity
Hinder (R2), the 3rd electrolytic capacitor (C3) and button (S1), the 3rd electrolytic capacitor (C3) button (S1) in parallel, the 3rd electricity
Capacitance (C3) anode series connection second resistance (R2) is solved, second resistance (R2) other end connects the output terminal of power circuit, the
Three electrolytic capacitors (C3) cathode is grounded, above-mentioned button (S1) and the 3rd electrolytic capacitor (C3) anode, second resistance (R2) junction
The as output terminal (OUT1) of negative type pulse generator.
3. control circuit for electromagnet according to claim 1, it is characterised in that：The delay controller includes control chip
(U1), slide rheostat (R1), the first electrolytic capacitor (C1), the second capacitance (C2) and the first diode (D1), the control core
2nd foot of piece (U1) is the input terminal (IN1) of delay controller, and the 3rd foot of the control chip (U1) is through the one or two pole
Manage (D1) becomes the output terminal (OUT2) of the delay controller afterwards, and the 8th foot of the control chip (U1) connects power circuit
Output terminal, the 4th foot of the control chip (U1) connect above-mentioned slide rheostat (R1) one end, and the slide rheostat (R1) is another
The 6th foot and the 7th foot of one end connection control chip (U1), while the 6th foot of the control chip (U1) connects the first electrolytic capacitor
(C1) anode, the cathode of the first electrolytic capacitor (C1) respectively with above-mentioned second capacitance (C2), the 1st foot phase of control chip (U1)
Connect and be grounded, the 5th foot of another termination control chip (U1) of the second capacitance (C2).
4. control circuit for electromagnet according to claim 1, it is characterised in that：It is anti-that the reversed shaping circuit includes first
Phase device (U3A) and the second phase inverter (U3B), input terminal (IN2) and the first phase inverter (U3A) company of series connection of the reversed shaping circuit
Becoming described first after connecing, reversely output control signal end (OUT3), the input terminal (IN2) of the reversed shaping circuit are anti-with first
Phase device (U3A) and the second phase inverter (U3B) become described second after being connected in series and reversely export control signal end (OUT4).
5. control circuit for electromagnet according to claim 1, it is characterised in that：The driving circuit includes three-terminal voltage-stabilizing collection
Into chip (U2), the first NMOS tube (T1), the second NMOS tube (T2), the second diode (D2), the 3rd diode (D3), the 4th electricity
Solve capacitance (C4) and the 5th electrolytic capacitor (C5), the source electrode and the 4th electrolytic capacitor (C4) anode of second NMOS tube (T2) and
1st foot of three-terminal voltage-stabilizing integrated chip (U2) connects and connects the output terminal of power circuit, the grid of second NMOS tube (T2)
Pole is the input terminal (IN3) of first driving circuit, and the drain electrode of second NMOS tube (T2) connects the 3rd diode
(D3), the 3rd foot of the three-terminal voltage-stabilizing integrated chip (U2) connects the 5th electrolytic capacitor (C5) anode and the first NMOS tube (T1)
Drain electrode, the 2nd foot and the 4th electrolytic capacitor (C4) cathode of the three-terminal voltage-stabilizing integrated chip (U2) and the 5th electrolytic capacitor
(C5) cathode is connected and is grounded, and the grid of first NMOS tube (T1) is the input terminal (IN4) of second driving circuit,
The source electrode of first NMOS tube (T1) connects the second diode (D2), and the 3rd diode (D3) connects the second diode
(D2) and with one end of electromagnet (YA) coil it is connected, the other end ground connection of electromagnet (YA) coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181647.4U CN207397837U (en) | 2017-09-15 | 2017-09-15 | A kind of control circuit for electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181647.4U CN207397837U (en) | 2017-09-15 | 2017-09-15 | A kind of control circuit for electromagnet |
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| Publication Number | Publication Date |
|---|---|
| CN207397837U true CN207397837U (en) | 2018-05-22 |
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ID=62416358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721181647.4U Active CN207397837U (en) | 2017-09-15 | 2017-09-15 | A kind of control circuit for electromagnet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265203A (en) * | 2019-04-08 | 2019-09-20 | 上海健康医学院 | High accurately solenoid driver circuit |
| CN110531692A (en) * | 2019-07-22 | 2019-12-03 | 湖南华润电力鲤鱼江有限公司 | A kind of design of cycle pulse generating mode |
| CN113433842A (en) * | 2021-06-24 | 2021-09-24 | 威海新北洋技术服务有限公司 | Unlocking control circuit and equipment |
-
2017
- 2017-09-15 CN CN201721181647.4U patent/CN207397837U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265203A (en) * | 2019-04-08 | 2019-09-20 | 上海健康医学院 | High accurately solenoid driver circuit |
| CN110265203B (en) * | 2019-04-08 | 2024-02-13 | 上海健康医学院 | High-precision electromagnet driving circuit |
| CN110531692A (en) * | 2019-07-22 | 2019-12-03 | 湖南华润电力鲤鱼江有限公司 | A kind of design of cycle pulse generating mode |
| CN113433842A (en) * | 2021-06-24 | 2021-09-24 | 威海新北洋技术服务有限公司 | Unlocking control circuit and equipment |
| CN113433842B (en) * | 2021-06-24 | 2022-03-25 | 威海新北洋技术服务有限公司 | Unlocking control circuit and equipment |
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