CN209389965U - A kind of circuit for controlling motor and beddo for beddo - Google Patents
A kind of circuit for controlling motor and beddo for beddo Download PDFInfo
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- CN209389965U CN209389965U CN201920234317.XU CN201920234317U CN209389965U CN 209389965 U CN209389965 U CN 209389965U CN 201920234317 U CN201920234317 U CN 201920234317U CN 209389965 U CN209389965 U CN 209389965U
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Abstract
The utility model is suitable for beddo technical field, provides a kind of circuit for controlling motor and beddo for beddo, the circuit includes: the metal-oxide-semiconductor being connected on the output channel for the relay being connected to the motor；The metal-oxide-semiconductor control circuit being connect with the metal-oxide-semiconductor；The electric current of the motor of beddo flows through the relay and the metal-oxide-semiconductor simultaneously.In circuit for controlling motor provided by the utility model for beddo, due to a powerful metal-oxide-semiconductor of connecting on the output channel of relay, the high current of motor can flow through relay and metal-oxide-semiconductor simultaneously.When needing to be promoted, shrinking bed board, it is first closed corresponding relay, then metal-oxide-semiconductor is connected, when needing to stop bed board, is first turned off metal-oxide-semiconductor, then disconnect corresponding relay, realizes that relay switches under no-current conditions.It is not high to the Capability Requirement for cut-offfing direct current of relay since relay switches under no-current conditions, the motor of beddo can be controlled using the common relay of low cost.
Description
Technical field
The utility model belongs to beddo technical field more particularly to a kind of circuit for controlling motor and electricity for beddo
Dynamic bed.
Background technique
Existing beddo generally all there are two the brush direct current motor of 30V, is divided into back motor and thigh motor, passes through
Control the positive and negative rotation of back motor/thigh motor, so that it may it is flexible to control back bed board/leg bed board.Currently, big in the market
High power relay is mostly used to control beddo, Fig. 1 is the circuit for controlling motor topology that beddo uses in the prior art,
In motor M control that back bed board/leg bed board is flexible, and breaker K1, K2 lead to respectively respectively by two breakers K1, K2
The control relay circuit that triode and two resistance are constituted is crossed to control.Immediate current when conducting cold due to motor is very big,
And motor is all direct current supply, so relay used in beddo has to have the very strong ability for cut-offfing direct current.
But because DC current does not have zero crossing, general relay is not easy to cut-off direct current, so generalling use price on beddo
The very high relay that can cut-off direct current can just have the very strong ability for cut-offfing direct current.
Utility model content
The utility model provides a kind of circuit for controlling motor for beddo, it is intended to solve relay in currentless shape
The problem of switching under state, not requiring the ability for cut-offfing direct current of relay.
The utility model is realized in this way a kind of circuit for controlling motor for beddo, comprising:
The metal-oxide-semiconductor being connected on the output channel for the relay being connected to the motor；
The metal-oxide-semiconductor control circuit being connect with the metal-oxide-semiconductor；
The electric current of the motor of beddo flows through the relay and the metal-oxide-semiconductor simultaneously.
Further, the metal-oxide-semiconductor is managed using nMOS or pMOS pipe, the metal-oxide-semiconductor are placed on when using nMOS pipe
Ground terminal；The metal-oxide-semiconductor is placed on power end when using pMOS pipe.
Further, the relay includes: the first relay and the second relay；
When needing to shrink or promoting bed board, it is first closed first relay or second relay, then MOS is connected
Pipe, motor obtain electric, completion contraction or promotion operation；When needing to stop bed board, the metal-oxide-semiconductor shutdown, after motor stops, shutdown
The bed board of first relay or the second relay, beddo stops.
Further, cut-offfing for first relay is controlled by the first control relay circuit；First relay
Device closure, shutdown when receiving low level signal when first control relay circuit receives high level signal；
Cut-offfing for second relay is controlled by the second control relay circuit, and second relay is described second
Closure when control relay circuit receives high level signal, shutdown when receiving low level signal.
Further, first control relay circuit, comprising: first switch tube, first resistor and second resistance；
The collector of the first switch tube connects the first relay, and emitter is grounded, base stage connection first resistor, and second
Resistance is connected between the base stage and emitter of the first switch tube.
Further, second control relay circuit, comprising: second switch, 3rd resistor and the 4th resistance；
The collector of the second switch connects the second relay, and emitter is grounded, base stage connection 3rd resistor, and the 4th
Resistance is connected between the base stage and emitter of the second switch.
Further, first relay both ends are parallel with first diode.
Further, second relay both ends are parallel with the second diode.
Further, the metal-oxide-semiconductor control circuit, comprising: third diode, third switching tube, the 4th switching tube with
And the 5th switching tube；
The emitter of the third switching tube connects power supply, and collector passes through the 9th resistance eutral grounding, and the third diode is just
Pole is connected between the third switching tube and the 9th resistance, and the third diode cathode is connected to MOS by the tenth resistance
Pipe；
The collector of 4th switching tube is connected to the base stage of the third switching tube by the 6th resistance, while described
The collector of 4th switching tube is connected to the emitter of the third switching tube, the base of the 4th switching tube by the 5th resistance
Pole connects power supply by the 7th resistance, and the emitter of the 4th switching tube connects the 8th resistance；
The base stage of 5th switching tube is connected between the third switching tube and the 9th resistance, the 5th switching tube
Grounded collector, the emitter of the 5th switching tube is connected to metal-oxide-semiconductor by eleventh resistor, the eleventh resistor with
Capacitor is connected between the collector of 5th switching tube.
The utility model also provides a kind of beddo, including the circuit for controlling motor for beddo.
Circuit for controlling motor provided by the utility model for beddo, due to connecting on the output channel of relay
The high current of one powerful metal-oxide-semiconductor, motor can flow through relay and metal-oxide-semiconductor simultaneously.When needing to be promoted, shrinking bed board,
It is first closed corresponding relay, then metal-oxide-semiconductor is connected, when needing to stop bed board, is first turned off metal-oxide-semiconductor, then disconnect corresponding relay
Device is completed to be promoted, shrinks or stop operation, and realizes that relay switches under no-current conditions.Since relay is in nothing
Switch in the state of electric current, therefore not high to the Capability Requirement for cut-offfing direct current of relay, it can be using the common of low cost
Relay controls the motor of beddo.
Detailed description of the invention
Fig. 1 is the circuit for controlling motor topology that the beddo that the prior art provides uses；
Fig. 2 is the circuit for controlling motor provided by the embodiment of the utility model for beddo.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides a kind of circuit for controlling motor for beddo, comprising: is connected on and motor
Metal-oxide-semiconductor on the output channel of connected relay；The metal-oxide-semiconductor control circuit being connect with metal-oxide-semiconductor；The electric current of the motor of beddo
Relay and metal-oxide-semiconductor are flowed through simultaneously.When needing to be promoted, shrinking bed board, it is first closed corresponding relay, then metal-oxide-semiconductor is connected, when
When needing to stop bed board, it is first turned off metal-oxide-semiconductor, then disconnects corresponding relay, realizes that relay switches under no-current conditions.
Embodiment one
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, the circuit packet
It includes:
The metal-oxide-semiconductor 100 being connected on the output channel for the relay 300 being connected to the motor；
The metal-oxide-semiconductor control circuit 200 being connect with metal-oxide-semiconductor 100；
The electric current of the motor 400 of beddo flows through relay 300 and metal-oxide-semiconductor 100 simultaneously.
In the utility model embodiment, metal-oxide-semiconductor can also be replaced by the switching tube for being suitable for direct current, such as large power triode.
The working principle of the above-mentioned circuit for controlling motor for beddo is as follows:
One powerful metal-oxide-semiconductor 100 of series connection, the high current of motor can flow simultaneously on the output channel of relay 300
Cross relay 300 and metal-oxide-semiconductor 100.When needing to be promoted, shrinking bed board, it is first closed corresponding relay, then metal-oxide-semiconductor is connected
100, when needing to stop bed board, it is first turned off metal-oxide-semiconductor 100, then disconnect corresponding relay, completes to be promoted, shunk or stopped
Operation realizes that relay 300 switches under no-current conditions.
In the present embodiment, due to a powerful metal-oxide-semiconductor of connecting on the output channel of relay, the high current of motor
Relay and metal-oxide-semiconductor can be flowed through simultaneously.When needing to be promoted, shrinking bed board, it is first closed corresponding relay, then metal-oxide-semiconductor is connected,
When needing to stop bed board, it is first turned off metal-oxide-semiconductor, then disconnects corresponding relay, completes to be promoted, shrink or stop operation, it is real
Existing relay switches under no-current conditions.Since relay switches under no-current conditions, to relay
The Capability Requirement for cut-offfing direct current it is not high, the motor of beddo can be controlled using the common relay of low cost.
Embodiment two
The utility model embodiment provides a kind of circuit for controlling motor for beddo, metal-oxide-semiconductor managed using nMOS or
Person pMOS pipe, metal-oxide-semiconductor are placed on ground terminal when using nMOS pipe；Metal-oxide-semiconductor is placed on power end when using pMOS pipe.
In the present embodiment, metal-oxide-semiconductor is managed using powerful nMOS or pMOS pipe, has very strong switching electric current, and
Cost is very low, can overcome the problems, such as that common relay is not easy to cut-off direct current.Metal-oxide-semiconductor (MOS1) in Fig. 2 is nMOS pipe, even
It connects in ground terminal.
Embodiment three
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, relay
300 include: the first relay K1 and the second relay K2；
When needing to shrink or promoting bed board, it is first closed the first relay K1 or the second relay K2, then metal-oxide-semiconductor is connected
100, motor 400 obtains electric, completion contraction or promotion operation；When needing to stop bed board, metal-oxide-semiconductor 100 is turned off, and motor 400 stops
Afterwards, the first relay K1 or the second relay K2 is turned off, the bed board of beddo stops.
In the present embodiment, when Yao Kaitong motor shrinks bed board, Motor_UP keeps low level, the high electricity of Motor_Down output
It is flat, it is first closed the first relay K1, then Motor_Mos exports low level again, it is connected metal-oxide-semiconductor 100 (MOS1), motor 400
Electricity shrinks bed board.When opening motor promotion bed board, Motor_Down keeps low level, and Motor_UP exports high level, first closes
The second relay K2 is closed, then Motor_Mos exports low level again, is connected metal-oxide-semiconductor 100 (MOS1), and motor 400 obtains electric lift bed
Plate.When stopping bed board, Motor_Mos first exports high level, turns off metal-oxide-semiconductor 100 (MOS1), after motor 400 stops, Motor_
UP or Motor_Down exports low level again, turns off the first relay K1 or the second relay K2.By being connected on and motor phase
Metal-oxide-semiconductor 100 on the output channel of relay 300 even realizes in above-mentioned three kinds of operating process relay in no electricity
Switch in the state of stream, therefore does not require the ability for cut-offfing direct current of relay.
Example IV
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, the first relay
Device K1's cut-offs by the first control relay circuit control 500；First relay K1 is received in the first control relay circuit 500
It is closed when to high level signal, shutdown when receiving low level signal；
Cut-offfing for second relay K2 is controlled by the second control relay circuit 600, and the second relay K2 is in the second relay
Closure when device control circuit 600 receives high level signal, shutdown when receiving low level signal.
In the present embodiment, by the way that control relay circuit, Lai Shixian relay is arranged between control signal and relay
Cut-off control.
Embodiment five
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, in embodiment
On the basis of four, the first control relay circuit 500 is specifically included: first switch tube Q1, first resistor R1 and second resistance
R2；
The collector of first switch tube Q1 connects the first relay K1, emitter ground connection, and base stage connects first resistor R1, the
Two resistance R2 are connected between the base stage and emitter of first switch tube Q1.
In the present embodiment, first switch tube Q1 can use the triode of market purchasing, but not limited to this.Open motor
Shrink bed board when, Motor_UP keep low level, Motor_Down export high level, first switch tube Q1, first resistor R1 and
The first control relay circuit 500 that second resistance R2 is constituted controls the first relay K1 closure, and then Motor_Mos is exported again
Low level, is connected metal-oxide-semiconductor 100, and motor 400 obtains electric, contraction bed board.
Embodiment six
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, the second relay
Device control circuit 600, comprising: second switch Q2,3rd resistor R3 and the 4th resistance R4；
The collector of second switch Q2 connects the second relay K2, emitter ground connection, and base stage connects 3rd resistor R3, the
Four resistance R4 are connected between the base stage and emitter of second switch Q2.
In the present embodiment, second switch Q2 can use the triode of market purchasing, but not limited to this.Open motor
Promoted bed board when, Motor_Down keep low level, Motor_UP export high level, second switch Q2,3rd resistor R3 and
The second control relay circuit 600 that 4th resistance R4 is constituted controls the second relay K2 closure, and then Motor_Mos is exported again
Low level is connected metal-oxide-semiconductor 100 (MOS1), and motor 400 obtains electric, promotion bed board.
Embodiment seven
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, in embodiment
On the basis of three, the first both ends relay K1 are parallel with first diode D1.
In the present embodiment, by the first relay K1 both ends parallel connection first diode D1, production when preventing relay from disconnecting
Raw back-emf is impacted to circuit or component damage.
Embodiment eight
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, in embodiment
On the basis of three, the second both ends relay K2 are parallel with the second diode D2.
In the present embodiment, by the second diode D2 of the second both ends relay K2 parallel connection, production when preventing relay from disconnecting
Raw back-emf is impacted to circuit or component damage.
Embodiment nine
The utility model embodiment provides a kind of circuit for controlling motor for beddo, as shown in Fig. 2, metal-oxide-semiconductor control
Circuit 200 processed, comprising: third diode D3, third switching tube Q3, the 4th switching tube Q4 and the 5th switching tube Q5；
The emitter of third switching tube Q3 connects power supply, and collector is grounded by the 9th resistance R9, third diode D3 anode
It is connected between third switching tube Q3 and the 9th resistance R9, third diode D3 cathode is connected to metal-oxide-semiconductor by the tenth resistance R10
100；
The collector of 4th switching tube Q4 is connected to the base stage of third switching tube Q3 by the 6th resistance R6, while the 4th opens
The collector for closing pipe Q4 is connected to the emitter of third switching tube Q3 by the 5th resistance R5, and the base stage of the 4th switching tube Q4 is passed through
7th resistance R7 meets power supply+3.3V, and the emitter of the 4th switching tube Q4 connects the 8th resistance R8；
The base stage of 5th switching tube Q5 is connected between third switching tube Q3 and the 9th resistance R9, the collection of the 5th switching tube Q5
Electrode ground connection, the emitter of the 5th switching tube Q5 are connected to metal-oxide-semiconductor 100 by eleventh resistor R11, eleventh resistor R11 with
Capacitor C is connected between the collector of 5th switching tube Q5.
In the present embodiment, the emitter of third switching tube Q3, the first relay K1 and the second relay K2 connect+12V power supply,
The emitter of 4th switching tube Q4 controls signal Motor_Mos through the 8th resistance R8 connection, and Motor_Mos is closed when exporting high level
Metal-oxide-semiconductor 100 is connected when exporting low level in disconnected metal-oxide-semiconductor 100, Motor_Mos.
Embodiment ten
The utility model embodiment provides a kind of beddo, including the above-mentioned circuit for controlling motor for beddo.
In the present embodiment, due to beddo use the above-mentioned circuit for controlling motor for beddo, when need promoted, receipts
When contracting bed board, it is first closed corresponding relay, then metal-oxide-semiconductor is connected, when needing to stop bed board, is first turned off metal-oxide-semiconductor, motor stops
Afterwards, then the first relay K1 or the second relay K2 is turned off.It is achieved that relay switches under no-current conditions.
In circuit for controlling motor provided by the embodiment of the utility model for beddo, on the output channel of relay
One powerful metal-oxide-semiconductor of series connection, the high current of motor can flow through relay and metal-oxide-semiconductor simultaneously.When need promoted, shrink bed board
When, be first closed corresponding relay, then metal-oxide-semiconductor is connected, when needing to stop bed board, be first turned off metal-oxide-semiconductor, then disconnect accordingly after
Electric appliance is completed to be promoted, shrinks or stop operation, and realizes that relay switches under no-current conditions.Due to relay be
Switch under currentless state, therefore not high to the Capability Requirement for cut-offfing direct current of relay, it can be using the general of low cost
Logical relay controls the motor of beddo.Specifically metal-oxide-semiconductor is managed using powerful nMOS or pMOS is managed, and is had very strong
Switching electric current, and cost is very low, can overcome the problems, such as that common relay is not easy to cut-off direct current.Relay specifically includes:
First relay and the second relay；By being arranged control relay circuit between control signal and relay, Lai Shixian after
Electric appliance cut-offs control.Furthermore by relay both ends parallel diode, the back-emf pair generated when preventing relay from disconnecting
Circuit impacts or component damage.The utility model embodiment additionally provides a kind of beddo, since beddo uses
The above-mentioned circuit for controlling motor for beddo is first closed corresponding relay, then be connected when needing to be promoted, shrinking bed board
Metal-oxide-semiconductor is first turned off metal-oxide-semiconductor, after motor stops, then turns off the first relay or the second relay when needing to stop bed board.Cause
This realizes relay and switches under no-current conditions.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of circuit for controlling motor for beddo characterized by comprising
The metal-oxide-semiconductor being connected on the output channel for the relay being connected to the motor；
The metal-oxide-semiconductor control circuit being connect with the metal-oxide-semiconductor；
The electric current of the motor of beddo flows through the relay and the metal-oxide-semiconductor simultaneously.
2. being used for the circuit for controlling motor of beddo as described in claim 1, which is characterized in that the metal-oxide-semiconductor uses nMOS
Pipe or pMOS pipe, the metal-oxide-semiconductor are placed on ground terminal when using nMOS pipe；The metal-oxide-semiconductor is placed on power supply when using pMOS pipe
End.
3. being used for the circuit for controlling motor of beddo as described in claim 1, which is characterized in that the relay includes: the
One relay and the second relay；
When needing to shrink or promoting bed board, it is first closed first relay or second relay, then metal-oxide-semiconductor is connected,
Motor obtains electric, completion contraction or promotion operation；When needing to stop bed board, metal-oxide-semiconductor shutdown, after motor stops, shutdown the
The bed board of one relay or the second relay, beddo stops.
4. being used for the circuit for controlling motor of beddo as claimed in claim 3, which is characterized in that first relay is opened
It is disconnected to be controlled by the first control relay circuit；First relay receives high level in first control relay circuit
It is closed when signal, shutdown when receiving low level signal；
Cut-offfing for second relay is controlled by the second control relay circuit, and second relay is in second relay
Closure when device control circuit receives high level signal, shutdown when receiving low level signal.
5. being used for the circuit for controlling motor of beddo as claimed in claim 4, which is characterized in that the first relay control
Circuit, comprising: first switch tube, first resistor and second resistance；
The collector of the first switch tube connects the first relay, emitter ground connection, and base stage connects first resistor, second resistance
It is connected between the base stage and emitter of the first switch tube.
6. being used for the circuit for controlling motor of beddo as claimed in claim 4, which is characterized in that the second relay control
Circuit, comprising: second switch, 3rd resistor and the 4th resistance；
The collector of the second switch connects the second relay, emitter ground connection, and base stage connects 3rd resistor, the 4th resistance
It is connected between the base stage and emitter of the second switch.
7. being used for the circuit for controlling motor of beddo as claimed in claim 3, which is characterized in that first relay both ends
It is parallel with first diode.
8. being used for the circuit for controlling motor of beddo as claimed in claim 3, which is characterized in that second relay both ends
It is parallel with the second diode.
9. being used for the circuit for controlling motor of beddo as described in claim 1, which is characterized in that the metal-oxide-semiconductor control circuit,
It include: third diode, third switching tube, the 4th switching tube and the 5th switching tube；
The emitter of the third switching tube connects power supply, and collector passes through the 9th resistance eutral grounding, and the third diode cathode connects
It is connected between the third switching tube and the 9th resistance, the third diode cathode is connected to metal-oxide-semiconductor by the tenth resistance；
The collector of 4th switching tube is connected to the base stage of the third switching tube, while the described 4th by the 6th resistance
The collector of switching tube is connected to the emitter of the third switching tube, the base stage warp of the 4th switching tube by the 5th resistance
It crosses the 7th resistance and connects power supply, the emitter of the 4th switching tube connects the 8th resistance；
The base stage of 5th switching tube is connected between the third switching tube and the 9th resistance, the collection of the 5th switching tube
Electrode ground connection, the emitter of the 5th switching tube are connected to metal-oxide-semiconductor by eleventh resistor, the eleventh resistor with it is described
Capacitor is connected between the collector of 5th switching tube.
10. a kind of beddo, which is characterized in that including the circuit for controlling motor for beddo described in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920234317.XU CN209389965U (en) | 2019-02-25 | 2019-02-25 | A kind of circuit for controlling motor and beddo for beddo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920234317.XU CN209389965U (en) | 2019-02-25 | 2019-02-25 | A kind of circuit for controlling motor and beddo for beddo |
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| Publication Number | Publication Date |
|---|---|
| CN209389965U true CN209389965U (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920234317.XU Active CN209389965U (en) | 2019-02-25 | 2019-02-25 | A kind of circuit for controlling motor and beddo for beddo |
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| CN (1) | CN209389965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274216A (en) * | 2021-04-29 | 2021-08-20 | 上海惠上电子技术有限公司 | Multifunctional bed control device and circuit |
-
2019
- 2019-02-25 CN CN201920234317.XU patent/CN209389965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274216A (en) * | 2021-04-29 | 2021-08-20 | 上海惠上电子技术有限公司 | Multifunctional bed control device and circuit |
| US12042450B2 (en) | 2021-04-29 | 2024-07-23 | Shanghai Winsunny Electronics Tech. Co. Ltd. | Multifunctional bed, a multi-drive switch protection circuit and its control device |
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