CN206742844U - A kind of protection device of single-phase double value capacitor asynchronous motor - Google Patents
A kind of protection device of single-phase double value capacitor asynchronous motor Download PDFInfo
- Publication number
- CN206742844U CN206742844U CN201720368680.1U CN201720368680U CN206742844U CN 206742844 U CN206742844 U CN 206742844U CN 201720368680 U CN201720368680 U CN 201720368680U CN 206742844 U CN206742844 U CN 206742844U
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- motor
- relay
- microprocessor
- value capacitor
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Abstract
A kind of protection device of single-phase double value capacitor asynchronous motor,Including motor patch panel,Its terminals V2,Z1 is connected with start-up capacitance,Terminals V1,Z1 is connected with operation electric capacity,Terminals V2,V1 is connected with centrifugal switch,Terminals V1,Z2 indirect 220V alternating currents,Terminals Z2,U1 is connected by tabletting one,Terminals U1,V1 is connected by tabletting two,Relay KM2 is connected between start-up capacitance and terminals Z1,Relay KM1 is connected between operation electric capacity and terminals V1,Relay KM3 is connected between 220V alternating currents and terminals V1,Relay KM1,KM2 and KM3 control input and the first output connection of microprocessor,The input of microprocessor connects with the output of motor speed measuring module,Second output of microprocessor connects with the input of warning device,By microprocessor come control relay,And then the startup of motor,The switch conduction of stopping and start-up capacitance and operation electric capacity,Motor can be effectively protected.
Description
Technical field
Single-phase double value capacitor asynchronous motor technical field is the utility model is related to, more particularly to a kind of single-phase two-capacitance capacitive
The protection device of asynchronous motor.
Background technology
A kind of motor that single-phase double value capacitor asynchronous motor is daily life or industrial production is commonly used, using the motor
When it is possible that various problems, such as start-up capacitance (CD60) is breakdown or operation electric capacity (CBB60) is breakdown, around
Group coil insulation aging is burnt, and bearing heavy wear or centrifugal switch cisco unity malfunction etc. are all to repair upper most common motor
Failure.If it find that having damaged electric capacity, new electric capacity is changed, due to not finding root problem, once start motor, can also can
It can continue to make the start-up capacitance, operation electric capacity and machine winding coil of motor to burn or bring more serious damage, increase
The maintenance cost of motor is added, therefore how the timely processing event is into the problem of can not ignore.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, the purpose of this utility model are the provision of a kind of single-phase two-capacitance capacitive
The protection device of asynchronous motor, motor can be effectively protected.
In order to achieve the above object, the technical scheme that the utility model is taken is：
A kind of protection device of single-phase double value capacitor asynchronous motor, include the motor of single-phase double value capacitor asynchronous motor
Patch panel, is connected with start-up capacitance between terminals V2, Z1 of motor patch panel, the terminals V1 of motor patch panel,
Operation electric capacity is connected between Z1, centrifugal switch, motor patch panel are connected between terminals V2, V1 of motor patch panel
Terminals V1, Z2 indirect 220V alternating currents, terminals Z2, U1 connected by tabletting one, and terminals U1, V1 pass through tabletting two
Connection, relay KM2 is connected between start-up capacitance and terminals Z1, runs and be connected with relay between electric capacity and terminals V1
It is connected with relay KM3 between KM1,220V alternating current and terminals V1, relay KM1, relay KM2 and relay KM3's
First output connection of control input and microprocessor, the input of microprocessor connect with the output of motor speed measuring module, micro- place
Second output of reason device connects with the input of warning device.
Described warning device includes buzzer FM, switch triode, 5V dc sources, buzzer FM input and switch
The of the emitter e connection of triode, the colelctor electrode c ground connection of switch triode, the base stage b of switch triode and microprocessor
Two output connections.
Described microprocessor uses STM32F103ZET6 single-chip microcomputers.
The utility model has the advantages that：By microprocessor come control relay KM1, relay KM2 and after
Electrical equipment KM3, and then control startup, stopping and the start-up capacitance of single-phase double value capacitor asynchronous motor and run the switch of electric capacity
Conducting, can be effectively protected motor.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
The utility model is further illustrated with reference to Figure of description.
Reference picture 1, a kind of protection device of single-phase double value capacitor asynchronous motor, including single-phase two-capacitance capacitive asynchronous electric
The motor patch panel of machine, start-up capacitance is connected between terminals V2, Z1 of motor patch panel, motor patch panel
Operation electric capacity is connected between terminals V1, Z1, centrifugal switch is connected between terminals V2, V1 of motor patch panel, electricity
Terminals V1, Z2 of machine patch panel indirect 220V alternating currents, terminals Z2, U1 are connected by tabletting one, terminals U1,
V1 is connected by tabletting two, and relay KM2 is connected between start-up capacitance and terminals Z1, is run between electric capacity and terminals V1
Be connected between relay KM1,220V alternating current and terminals V1 and be connected with relay KM3, relay KM1, relay KM2 and
Relay KM3 control input and the first output connection of microprocessor, conducting and pass by microprocessor control relay
Disconnected, the input of microprocessor connects with the output of motor speed measuring module, the second output and the input of warning device of microprocessor
Connection.
Described warning device includes buzzer FM, switch triode, 5V dc sources, buzzer FM input and switch
The of the emitter e connection of triode, the colelctor electrode c ground connection of switch triode, the base stage b of switch triode and microprocessor
Two output connections.
Described microprocessor uses STM32F103ZET6 single-chip microcomputers.
Described motor speed measuring module is for detecting the current tachometer value of single-phase double value capacitor asynchronous motor.
Operation principle of the present utility model is：
In use, motor speed measuring module detects single-phase double value capacitor asynchronous motor tachometer value and is sent into microprocessor in real time
Device, microprocessor is handled the data of reception and control relay KM1, relay KM2 or relay KM3 could be made that phase
The action answered, the startup, stopping and the start-up capacitance that control single-phase double value capacitor asynchronous motor and the switch for running electric capacity are led
It is logical, when not reaching 2/3rds of rated speed (in 8 seconds) in the stipulated time after the startup of single-phase double value capacitor asynchronous motor,
Relay KM1, KM2, KM3 disconnect automatically, and single-phase double value capacitor asynchronous motor is out of service, while warning device sends alarm
Sound, single-phase double value capacitor asynchronous motor start up after (in 2 seconds) relay KM2 automatically shut down, start-up capacitance stop work
Make, prevent that centrifugal switch does not have normal work and damaged in single-phase double value capacitor asynchronous motor.
Claims (3)
1. a kind of protection device of single-phase double value capacitor asynchronous motor, including the motor of single-phase double value capacitor asynchronous motor connect
Line panel, start-up capacitance, terminals V1, Z1 of motor patch panel are connected between terminals V2, Z1 of motor patch panel
Between be connected with operation electric capacity, centrifugal switch is connected between terminals V2, V1 of motor patch panel, motor patch panel
Terminals V1, Z2 indirect 220V alternating currents, it is characterised in that：Terminals Z2, U1 are connected by tabletting one, terminals U1, V1
Connected by tabletting two, relay KM2 is connected between start-up capacitance and terminals Z1, run and connect between electric capacity and terminals V1
Be connected between relay KM1,220V alternating current and terminals V1 and be connected with relay KM3, relay KM1, relay KM2 and after
Electrical equipment KM3 control input and the first output connection of microprocessor, the input of microprocessor and the output of motor speed measuring module
Connection, the second output of microprocessor connect with the input of warning device.
A kind of 2. protection device of single-phase double value capacitor asynchronous motor according to claim 1, it is characterised in that：It is described
Warning device include buzzer FM, switch triode, 5V dc sources, buzzer FM input and the transmitting of switch triode
Pole e connections, the colelctor electrode c ground connection of switch triode, the base stage b and microprocessor of switch triode the second output connection.
A kind of 3. protection device of single-phase double value capacitor asynchronous motor according to claim 1, it is characterised in that：It is described
Microprocessor use STM32F103ZET6 single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368680.1U CN206742844U (en) | 2017-04-10 | 2017-04-10 | A kind of protection device of single-phase double value capacitor asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368680.1U CN206742844U (en) | 2017-04-10 | 2017-04-10 | A kind of protection device of single-phase double value capacitor asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206742844U true CN206742844U (en) | 2017-12-12 |
Family
ID=60559782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720368680.1U Expired - Fee Related CN206742844U (en) | 2017-04-10 | 2017-04-10 | A kind of protection device of single-phase double value capacitor asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206742844U (en) |
-
2017
- 2017-04-10 CN CN201720368680.1U patent/CN206742844U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |