CN207068761U - A kind of relay and its control circuit of the driving of bistable state Width funtion - Google Patents
A kind of relay and its control circuit of the driving of bistable state Width funtion Download PDFInfo
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- CN207068761U CN207068761U CN201720748849.6U CN201720748849U CN207068761U CN 207068761 U CN207068761 U CN 207068761U CN 201720748849 U CN201720748849 U CN 201720748849U CN 207068761 U CN207068761 U CN 207068761U
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Abstract
The technical field of relay is the utility model is related to, more particularly, to the relay and its control circuit of a kind of driving of bistable state Width funtion.The utility model provides a kind of relay and its control circuit of the driving of bistable state Width funtion, including housing, magnetic maintenance mechanism and changement, changement includes lever and iron plate, it can be rotated by the ferromagnetized iron plate of permanent magnetism by the magneticaction of magnetic maintenance mechanism, lever is driven to do corresponding swing, it and can fix lever positions by the iron plate of permanent magnet magnetization, so as to keep side switch to open and the state of offside switch closure, mechanical structure is simple, manufacturing cost is low, energy saving, coil will not generate heat can extend relay service life；Control circuit includes rectification circuit and constant-current source circuit, Width funtion input is limited in the rated operation of relay, and two groups of contacts are connected with input respectively in relay, pulse drive signal is intercepted by relay mechanical property itself, it can be applied to more be widely applied environment, strong applicability, and circuit is simple, element is common, has good practicality.
Description
Technical field
The utility model is related to the technical field of relay, more particularly, to a kind of bistable state Width funtion driving after
Electrical equipment and its control circuit.
Background technology
Electromagnetic type relay is typically made up of iron core, coil, armature, contact reed etc., is widely used in the automatic of circuit
In regulation, safeguard protection and circuit conversion.Because armature has to last for being connected with the electric current of some strength in adhesive, cause electromagnetism
Formula relay power consumption is big；Electromagnetic type relay coil after power cut-off powers off immediately, and armature is bound to initial position at once.And
Bistable relay is also known as magnetic latching relay, and its normally open, normally closed state is completely dependent on the magneticaction of permanent-magnet steel, state
Conversion is completed by the pulse electrical signal triggering of one fixed width.Therefore bistable relay only can just maintain by the magnetic force of permanent-magnet steel
The state of relay is constant, has the advantages that energy saving, coil will not generate heat.
Triggered however, the conversion of the on off state of existing bistable relay is the pulse electrical signal for leaning on one fixed width
Into；And input voltage is limited in a less scope by Inside coil, and can only be direct current or alternating voltage；One
On the one hand the pulsed drive of fixed width degree and narrower input voltage are difficult in adapt to different input environments, be on the one hand easily caused circuit
Middle component is damaged because electric current is excessive, so as to influence the job stability of whole circuit.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of relay of bistable state Width funtion driving
Device and its control circuit, input voltage can be constant voltage or pulse voltage, and drive voltage range is wide, can adapt to difference
Application environment；And button and compression spring composition button switch, the definition and operation of convenience relay division position, structure letter
It is single, it is easy to operate, have wide range of applications.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of relay of bistable state Width funtion driving, including housing, magnetic maintenance mechanism and changement, the magnetic are provided
Maintaining body includes electromagnet, permanent magnet and iron plate, and the changement includes lever and iron plate, the permanent magnet and the iron
Piece is chimeric to be located in lever, and the magnetic maintenance mechanism acts on by the iron plate of permanent magnet magnetization and drives lever rotation, described
Lever is movably arranged in housing, and the lever both ends are provided with switch.
The relay of bistable state Width funtion driving of the present utility model includes housing, magnetic maintenance mechanism and changement, institute
Stating magnetic maintenance mechanism includes electromagnet, permanent magnet and iron plate, and the changement includes lever and iron plate, the permanent magnet and institute
State iron plate to be fitted together in lever, the lever is movably arranged in housing, and the lever both ends are provided with switch.Magnetic maintenance mechanism
Formed between electromagnetic field, with the iron plate by permanent magnet magnetization and be attracted or repelled, and the iron plate is embedded in lever, the iron
The rotation of piece drives lever swing, so as to realize the switch closure or openness to lever both sides, and due to by permanent magnet magnetization
Iron plate acts on iron core so that lever can be remained fixed on a position, i.e., lever can keep side switch unlatching and offside is opened
Close the state closed.
Preferably, the electromagnet includes coil and iron core, and the coil includes the coil K1 and line of two groups of order windings
K2 is enclosed, " ［ " sections piece forms the iron core, and the coil K1 and coil K2 orders are wound in the iron core by two panels identical
On." ［ " sections piece forms the ferromagnetic circuit of an opening to two panels identical, and the magnetic field of ferromagnetic circuit opening is by lever
The iron plate in portion receives and drives lever to do corresponding swing.
Preferably, the changement includes the T-shape lever iron plate identical and arranged in parallel with two panels, the permanent magnet
The permanent-magnet steel of and parallel sequence identical by two panels arrangement forms, and the identical and arranged in parallel iron plate of the two panels is located at " ［ " sections
Core opening both sides.Two panels is identical and arranged in parallel and is used for by the ferromagnetized iron plate of permanent magnetism at receiving opening as caused by electromagnet
Magnetic field and make corresponding swing, and two panels iron plate is because of the active force that is subject to of different directions in ferromagnetic circuit, attracting with repelling each other
The combination of effect is more easy to drive the swing of lever.
Preferably, the lever is provided with through hole, and the housing bottom is provided with fixed seat, the through hole and the fixed seat
Connected by copper post, the copper post upper end is provided with locking cap.Copper post connects the swing for being easy to lever, and the setting of locking cap can be prevented
Only it is displaced outwardly while lever swing.
Preferably, button switch is additionally provided with the housing, the button switch is provided with compression spring, the button one
End contacts in first quarter moon arc and gently extrusion lever, the other end of the button switch stretch out housing, and the button switch includes
First button switch and the second button switch.One end first quarter moon arched top is easy to the position of manual control lever on lever, and presses
The setting of contracting spring causes button switch by axial thrust, to prevent button switch from arbitrarily being slided caused by Action of Gravity Field.
Preferably, it is described to switch microswitch S1, S2, S3 and the S4 for including four stations of three pin two, the microswitch
S1, microswitch S3 are located at the side of lever side by side, and the microswitch S2, microswitch S4 are side by side located at the another of lever
Side；The microswitch S1, which includes normally opened contact K2-1, the microswitch S3, includes auxiliary contact K2-2, the microswitch
S2, which includes normally-closed contact K1-1, the microswitch S4, includes auxiliary contact K1-2.End of the microswitch as input or output
Son, or for internal logic wiring, so as to determine the division state of microswitch by leverage.
Preferably, the housing is provided with first input end, the second input and input common port, is also set on the housing
There are some lead-out terminals, the lead-out terminal matches with auxiliary contact K1-2, auxiliary contact K2-2 respectively.First input end,
Second input receives the signal from control system, by lead-out terminal that signal is anti-after relay makes corresponding actions
It is fed to control system.
The utility model also includes the control circuit for being applied to the relay of bistable state Width funtion driving, the control circuit
Including the first loop and second servo loop：
First loop includes rectifier bridge BD1, normally-closed contact K1-1, coil K1 and constant current source module, institute
Stating rectifier bridge BD1 includes input a1, output end Vcc1, output end GND1 and input b1, the output end
Vcc1 is output cathode, and the output end GND1 is output negative pole, the normally-closed contact K1-1, coil K1 and constant current source module string
It is connected after connection with output end Vcc1, output end GND1；
The second servo loop includes rectifier bridge BD2, normally opened contact K2-1, coil K2 and constant current source module, the rectifier bridge
It is output cathode that BD2, which includes input a2, output end Vcc2, output end GND2 and input b2, the output end Vcc2, described
Output end GND2 is output negative pole, after the normally opened contact K2-1, coil K2 and constant-current source block coupled in series with output end Vcc2, defeated
Go out to hold GND2 to connect；
The constant current source module includes FET MOS1, transistor T1, resistance R1 and resistance R2, the FET
MOS1 grid G is connected with the colelctor electrode C of the transistor T1, the source S of the FET MOS1 and the transistor T1
Base stage B connections, the resistance R1 and FET MOS1 drain D, grid G be connected in parallel, the resistance R2 and transistor
T1 base stage B, emitter E are connected in parallel；
As input common port after the input b1 and rectifier bridge BD2 of rectifier bridge BD1 input a2 is in parallel.
In such scheme, coil K1, normally-closed contact K1-1, coil K2 and normally opened contact K2-1 reverse logics in series,
So that coil obtains electric back contact location status and changed, cut-out carrys out electrical circuit, needs one fixed width so as to solve bistable relay
Pulsed drive the problem of；The input voltage processing output of exchange can be DC voltage by rectification circuit where rectifier bridge, therefore
Input signal can be AC signal or direct current signal；Resistance R1, resistance R2, FET MOS1 and transistor T1 form constant current
Source circuit, metering function can be played, moreover it is possible to bear the high voltage of moment, so as to widen the scope of input voltage to 24V ~
220V。
Preferably, it is in parallel with the coil K1 even also to include electric capacity C1 and electric capacity C2, the electric capacity C1 for the control circuit
Connect, the electric capacity C2 is connected in parallel with the coil K2.Electric capacity C1, C2 setting further weaken the harmonic wave of AC power, from
And ensure coil K1 and coil K2 normal work, while also function to afterflow effect.
Preferably, the model PQPF5N60C of the FET MOS1, the model of the transistor T1
MJE13001；PQPF5N60C models are common, are high-power FET, it is high pressure resistant and can consume instant high-voltage impact；
MJE13001 models are common, are high pressure 600V triodes.
Compared with prior art, the beneficial effects of the utility model are：
The relay of bistable state Width funtion driving of the present utility model includes housing, magnetic maintenance mechanism and changement, institute
Stating magnetic maintenance mechanism includes electromagnet, permanent magnet and iron plate, and the changement includes lever and iron plate, the permanent magnet and institute
State iron plate to be fitted together in lever, rotated by the iron plate of permanent magnet magnetization by electromagnet magneticaction, drive lever to do phase
The swing answered, and being acted on electromagnet core by the iron plate of permanent magnet magnetization can make lever be fixed on a certain position, so as to keep
Lever side switch open and offside switch closure state, mechanical structure is simple, manufacturing cost is low, energy saving, coil not
Can generate heat can extend relay service life；And the setting of button switch conveniently manually adjusts lever positions, and pass through definition
Two button switches, by the projection of button and it can press and flat go to recognize the state of each contact of current relay.
The control circuit of the relay of bistable state Width funtion driving of the present utility model includes rectification circuit and constant-current source electricity
Alternating voltage processing output DC voltage can be allowd input signal to be AC signal or direct current signal by road, rectification circuit,
Constant-current source circuit plays metering function in circuit, can bear instantaneous pressure so that the scope of input voltage is widened；Two groups of coils
And contact respectively with input reverse logic in series so that contact position state change when coil obtains electric, cut-out send a telegram here back
Road, so as to effectively solve the problems, such as one fixed width pulsed drive, suitable for being more widely applied environment, strong applicability, and electricity
Road is simple, element is common, has good practicality.
Brief description of the drawings
Fig. 1 is the structural representation of the relay of the utility model bistable state Width funtion driving.
Fig. 2 is the circuit theory diagrams of the control relay circuit of the utility model bistable state Width funtion driving.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of accompanying drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Same or analogous label corresponds to same or analogous part in the accompanying drawing of the utility model embodiment；In this practicality
In new description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore retouched in accompanying drawing
State term the being given for example only property explanation of position relationship, it is impossible to the limitation to this patent is interpreted as, for the common skill of this area
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
The first embodiment for the relay of the utility model bistable state Width funtion driving includes housing, magnetic as shown in Figure 1
Maintaining body and changement, magnetic maintenance mechanism include electromagnet and permanent magnet 1, and changement includes lever 2 and iron plate 3, forever
Magnet 1 and iron plate 3 are chimeric to be located in lever 2, and magnetic maintenance mechanism acts on iron plate 3 and drives lever 2 to rotate, the activity of lever 2
In housing, the left side of lever 2 is provided with microswitch S1 and S3, and microswitch S2 and S4 are provided with the right side of lever；Lever 2 is provided with
Through hole, housing bottom are provided with fixed seat, and through hole is connected with fixed seat by copper post, and copper post upper end is provided with locking cap, copper post connection
It is easy to the swing of lever, and the setting of locking cap can prevent from being displaced outwardly while the swing of lever 2；Be additionally provided with housing first by
The button switch 7 of button switch 6 and second, compression spring is equipped with button switch, and one end contacts in first quarter moon arc and gently squeezed
Pressure lever prevents button switch from arbitrarily sliding, and the other end stretches out housing, and one end first quarter moon arc, which withstands lever 2, is easy to manual lever
The position of bar.
Specifically, electromagnet includes coil and iron core 4, and coil includes the coil K1 and coil K2 of two groups of order windings, iron
By two panels identical, " ［ " sections piece is formed core 4, and coil K1 and coil K2 orders are wound on iron core 4, and changement includes " T "
The iron plate 3 identical and arranged in parallel with two panels of type lever 2, the permanent-magnet steel identical and arranged in parallel by two panels of permanent magnet 1 form, and
Two panels iron plate 3 is respectively arranged on the opening of iron core 4 both sides；" ［ " sections piece forms the ferromagnetic circuit of an opening, two panels to two panels identical
Identical and arranged in parallel iron plate 3 makes corresponding swing for the magnetic field at receiving opening, and two panels iron plate 3 is because in ferromagnetic
The active force that the different directions in loop are subject to is different, and attracting and the effect that repels each other combination is more easy to drive the swing of lever 2；And by forever
1 magnetized two piece of iron plate 3 of magnet acts on that " ［ " sections piece 4 can keep the position of lever 2, that is, keep lever side switch disconnected
Open and the state of offside switch closure.
In addition, switch includes microswitch S1, S2, S3 and S4 of four stations of three pin two, microswitch S1, microswitch
S3 is located at the side of lever side by side, and microswitch S2, microswitch S4 are located at the opposite side of lever side by side；Microswitch S1 includes
Normally opened contact K2-1, microswitch S3 include auxiliary contact K2-2, and microswitch S2 includes normally-closed contact K1-1, microswitch S4
Including auxiliary contact K1-2.Terminal of the microswitch as input or output, or for internal logic wiring, so as to pass through lever
Effect determines the division state of microswitch.Housing is provided with first input end, the second input and input common port, is additionally provided with
Some lead-out terminals, match respectively with auxiliary contact K1-2, auxiliary contact K2-2；First input end, the second input receive
Signal from control system, after relay makes corresponding actions, signal is fed back to by control system by lead-out terminal.
Embodiment 2
It is illustrated in figure 2 the second embodiment of the control relay circuit of the utility model bistable state Width funtion driving, bag
Include the first loop and second servo loop：First loop includes rectifier bridge BD1, normally-closed contact K1-1, coil K1 and constant current source module, whole
Stream bridge BD1 includes input a1, output end Vcc1, output end GND1 and input b1, and output end Vcc1 is output cathode, output
End GND1 is output negative pole, after normally-closed contact K1-1, coil K1 and constant-current source block coupled in series with output end Vcc1, output end ND1
Connection；Second servo loop includes rectifier bridge BD2, normally opened contact K2-1, coil K2 and constant current source module, and rectifier bridge BD2 includes input
End a2, output end Vcc2, output end GND2 and input b2, output end Vcc2 are output cathode, and output end GND2 is negative for output
Pole, it is connected with output end Vcc2, output end GND2 after normally opened contact K2-1, coil K2 and constant-current source block coupled in series.
Specifically, constant current source module includes FET MOS1, transistor T1, resistance R1 and resistance R2, the field-effect
Pipe MOS1 grid G is connected with the colelctor electrode C of the transistor T1, and FET MOS1 source S is with the transistor T1's
Base stage B connections, resistance R1 and FET MOS1 drain D, grid G are connected in parallel, resistance R2 and transistor T1 base stage B,
Emitter E is connected in parallel；As input common port after rectifier bridge BD1 input b1 and rectifier bridge BD2 input a2 is in parallel.
FET MOS1 model PQPF5N60C, the model MJE13001 of the transistor T1 in the present embodiment.
1 is with accompanying drawing 2, operation principle of the present utility model referring to the drawings：
The left low right height of lever, the first button switch 6 is by putting down, and the second button switch 7 is raised, and now normally-closed contact K1-1 is closed
Close, auxiliary contact K1-2 closures, the conducting of the first loop, normally opened contact K2-1 disconnects, and auxiliary contact K2-2 disconnects, and second servo loop breaks
Open, above-mentioned state is defined as first state；Lever right low left high, the first button switch 6 is raised, and the second button switch 7, which is pressed, puts down, this
When normally-closed contact K1-1 disconnect, auxiliary contact K1-2 disconnects, and the first loop disconnects, normally opened contact K2-1 closures, auxiliary contact K2-
2 closures, second servo loop conducting, above-mentioned state are defined as the second state.
When first input end input ac voltage, DC voltage or pulse voltage signal, if current relay is in the
Two-state, now normally-closed contact K1-1 disconnections, the first loop disconnect and are unable to reception signal, and relay keeps current state；If
Relay is in first state, and now normally-closed contact K1-1 is closed, the conducting of the first loop, the rectified bridge BD1 processing of input signal
It is afterwards direct current signal, and under the metering function of constant-current source circuit, coil K1 obtains electric, the electromagnetism of electromagnet opening formation opening
Loop, two panels iron plate 3 receives the magnetic field from opening and is swung to contact K1-1, K1-2 direction and change contact on lever 2
State, now, lever right low left high, the first button switch 6 is raised, the second button switch 7 is pressed and put down, i.e., relay is by first state
It is changed into the second state.After relay status transformation, normally-closed contact K1-1 disconnects, and the first loop disconnects and is unable to reception signal,
Relay is maintained at the second state.
When the second input input ac voltage, DC voltage or pulse voltage signal, if current relay is in the
One state, now normally opened contact K2-1 disconnections, second servo loop disconnect and are unable to reception signal, and relay keeps current state；If
Relay is in the second state, and now normally opened contact K2-1 is closed, second servo loop conducting, the rectified bridge BD1 processing of input signal
It is afterwards direct current signal, and under the metering function of constant-current source circuit, coil K2 obtains electric, the electromagnetism of electromagnet opening formation opening
Loop, two panels iron plate 3 receives the magnetic field from opening and is swung to contact K2-1, K2-2 direction and change contact on lever 2
State, now, the left low right height of lever, the first button switch 6 is by the flat, projection of the second button switch 7, i.e., relay is by the second state
It is changed into first state.After relay status transformation, normally opened contact K2-1 disconnects, and second servo loop disconnects and is unable to reception signal,
Relay is maintained at first state.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
- A kind of 1. relay of bistable state Width funtion driving, it is characterised in that including housing, changement and magnetic maintenance mechanism, The magnetic maintenance mechanism includes electromagnet, permanent magnet（1）And iron plate（3）, the changement includes lever（2）And iron plate（3）, The permanent magnet（1）With the iron plate（3）It is chimeric to be located at lever（2）In, the magnetic maintenance mechanism is acted on by permanent magnet（1） Magnetized iron plate（3）And lever swing is driven, the lever（2）It is movably arranged in housing, the lever（2）Both ends are provided with and opened Close.
- 2. the relay of bistable state Width funtion driving according to claim 1, it is characterised in that the electromagnet includes line Circle and iron core（4）, coil K1 and coil K2 that the coil is wound including two groups of orders, the iron core（4）By two panels identical " ［ " sections piece is formed, and the coil K1 and coil K2 orders are wound on the iron core.
- 3. the relay of bistable state Width funtion driving according to claim 1, it is characterised in that the changement bag Include T-shape lever（2）The iron plate identical and arranged in parallel with two panels（3）, the permanent magnet is identical and arranged in parallel by two panels Permanent-magnet steel forms, the identical and arranged in parallel iron plate of the two panels（3）Located at " ［ " shaped iron core（4）Be open both sides.
- 4. the relay of bistable state Width funtion driving according to claim 1, it is characterised in that the lever（2）On set There is through hole, the housing bottom is provided with fixed seat, and the through hole is connected with the fixed seat by copper post, and the copper post upper end is set There is locking cap.
- 5. the relay of the bistable state Width funtion driving according to claim 1 or 3, it is characterised in that on the housing also Provided with button switch, the button switch is provided with compression spring（5）, described button switch one end in first quarter moon arc contact and it is light Light extrusion lever, the other end of the button stretch out housing, and the button switch includes the first button switch（6）With the second button Switch（7）.
- 6. the relay of bistable state Width funtion driving according to claim 1, it is characterised in that the switch includes four Microswitch S1, S2, S3 and S4 of the station of three pin two, the microswitch S1, microswitch S3 are located at lever（2）Side, The microswitch S2, microswitch S4 are located at lever（2）Opposite side；The microswitch S1 includes normally opened contact K2-1, The microswitch S3, which includes auxiliary contact K2-2, the microswitch S2, includes normally-closed contact K1-1, the microswitch S4 Including auxiliary contact K1-2.
- 7. the relay of bistable state Width funtion according to claim 1 driving, it is characterised in that the housing is provided with the One input, the second input and input common port, some lead-out terminals, the lead-out terminal difference are additionally provided with the housing Match with auxiliary contact K1-2, auxiliary contact K2-2.
- 8. the control circuit for the relay that a kind of bistable state Width funtion applied to claim 1 drives, it is characterised in that described Control circuit includes the first loop and second servo loop：First loop includes rectifier bridge BD1, normally-closed contact K1-1, coil K1 and constant current source module, the rectifier bridge BD1 bags Include input a1, output end Vcc1, output end GND1 and input b1, the output end Vcc1 are output cathode, the output End GND1 is output negative pole, after the normally-closed contact K1-1, coil K1 and constant-current source block coupled in series with output end Vcc1, output end GND1 connections；The second servo loop includes rectifier bridge BD2, normally opened contact K2-1, coil K2 and constant current source module, the rectifier bridge BD2 bags Include input a2, output end Vcc2, output end GND2 and input b2, the output end Vcc2 are output cathode, the output End GND2 is output negative pole, after the normally opened contact K2-1, coil K2 and constant-current source block coupled in series with output end Vcc2, output end GND2 connections；The constant current source module includes FET MOS1, transistor T1, resistance R1 and resistance R2, the FET MOS1's Grid G is connected with the colelctor electrode C of the transistor T1, the source S of the FET MOS1 and the base stage B of the transistor T1 Connection, the resistance R1 and FET MOS1 drain D, grid G are connected in parallel, the resistance R2 and transistor T1 base stage B, emitter E is connected in parallel；As input common port after the input b1 and rectifier bridge BD2 of rectifier bridge BD1 input a2 is in parallel.
- 9. the control relay circuit of bistable state Width funtion driving according to claim 8, it is characterised in that the control Circuit also includes electric capacity C1 and electric capacity C2, and the electric capacity C1 is connected in parallel with the coil K1, the electric capacity C2 and the coil K2 is connected in parallel.
- 10. the control relay circuit of bistable state Width funtion driving according to claim 8 or claim 9, it is characterised in that described FET MOS1 model PQPF5N60C, the model MJE13001 of the transistor T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748849.6U CN207068761U (en) | 2017-06-26 | 2017-06-26 | A kind of relay and its control circuit of the driving of bistable state Width funtion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748849.6U CN207068761U (en) | 2017-06-26 | 2017-06-26 | A kind of relay and its control circuit of the driving of bistable state Width funtion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068761U true CN207068761U (en) | 2018-03-02 |
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ID=61506503
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720748849.6U Active CN207068761U (en) | 2017-06-26 | 2017-06-26 | A kind of relay and its control circuit of the driving of bistable state Width funtion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364396A (en) * | 2019-07-18 | 2019-10-22 | 中电科仪器仪表有限公司 | A kind of feedback device and single-pole double-throw radio frequency coaxial switch |
| CN113394053A (en) * | 2021-05-28 | 2021-09-14 | 联合汽车电子有限公司 | Low-side drive circuit of vehicle-mounted relay |
-
2017
- 2017-06-26 CN CN201720748849.6U patent/CN207068761U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364396A (en) * | 2019-07-18 | 2019-10-22 | 中电科仪器仪表有限公司 | A kind of feedback device and single-pole double-throw radio frequency coaxial switch |
| CN110364396B (en) * | 2019-07-18 | 2021-06-01 | 中电科思仪科技股份有限公司 | Feedback device and single-pole double-throw radio frequency coaxial switch |
| CN113394053A (en) * | 2021-05-28 | 2021-09-14 | 联合汽车电子有限公司 | Low-side drive circuit of vehicle-mounted relay |
| CN113394053B (en) * | 2021-05-28 | 2024-02-23 | 联合汽车电子有限公司 | Low-side driving circuit of vehicle-mounted relay |
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