CN204441866U - A kind of motor with automatic protection functions - Google Patents
A kind of motor with automatic protection functions Download PDFInfo
- Publication number
- CN204441866U CN204441866U CN201420751692.9U CN201420751692U CN204441866U CN 204441866 U CN204441866 U CN 204441866U CN 201420751692 U CN201420751692 U CN 201420751692U CN 204441866 U CN204441866 U CN 204441866U
- Authority
- CN
- China
- Prior art keywords
- motor
- contactor
- automatic protection
- protection functions
- electronic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Protection Of Generators And Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The utility model discloses a kind of motor with automatic protection functions, comprise motor body, described in there is automatic protection functions motor also comprise A.C. contactor and electronic overcurrent protection device; Motor body is connected to through A.C. contactor and electronic overcurrent protection device.The technical solution of the utility model; Motor is outside only needs a power supply air switch, and motor is built-in simplifies integrated control system, achieve Electromechanical Design, cost is low, wiring is simple, facilitate installation and maintenance, energy-efficient.
Description
Technical field
The utility model relates to a kind of motor, is specifically related to a kind of motor with automatic protection functions.
Background technology
Motor is common equipment; the voltage of motor place supply, the instability of electric current and fault; meeting brings damage in various degree to motor; therefore; need to be equipped with protective device to motor, in the actual use of current motor, motor start-up controls and defencive function all needs to be equipped with a large amount of control system and protective device; complex structure, increases cost and energy consumption and installs difficulty.
Utility model content
The purpose of this utility model is to provide the motor that a kind of structure is simple, have automatic protection functions.
In order to realize above object, the utility model adopts following technical scheme:
There is a motor for automatic protection functions, comprise motor body, mains switch, open/guard's valve, described in there is automatic protection functions motor also comprise A.C. contactor and electronic overcurrent protection device; Described mains switch and opening/guard's valve is connected to motor body through A.C. contactor, electronic overcurrent protection device.A.C. contactor is adopted motor to be had to the characteristic of multifunction protection; using it as motor ON/OFF, open/stop master control A.C. contactor; form a complete Motor Control protective circuit with the performance of electronic overcurrent protection device, only utilize a small amount of device just can reach the object of the control terminal box of design electromechanical integration motor.
Be provided with signal input interface, electronic chip and control circuit in described A.C. contactor, signal input interface is connected with the input of electronic chip, and the output of electronic chip is connected with control circuit.
Electronic overcurrent protection device, for measuring the electric current of motor body, according to measurement result, exports the control signal disconnecting motor body circuit when needed.
Electronic chip for gathering, detection signal input interface phase sequence waveform, frequency, the voltage of electric current that transmit.
Control circuit drives the solenoid of A.C. contactor for controlling photoelectric device.
Motor body is provided with a terminal box.Terminal box is miniaturized, industrialization, a kind of Miniature switchgear device of standard production, complete and motor becomes one, and forms the electromechanical integration motor that possesses switch and automatic protection functions.
A.C. contactor and electronic overcurrent protection device are all arranged in terminal box.Prevent extraneous factor from damaging A.C. contactor and electronic overcurrent protection device.
The utility model has the advantage of: simplify integrated control system, realize Electromechanical Design, cost is low, wiring is simple, facilitate installation and maintenance, energy-efficient.
Accompanying drawing explanation
Fig. 1 is a kind of electrical connection diagram with the motor of automatic protection functions that the utility model embodiment provides.
Embodiment
Embodiment
As shown in Figure 1, a kind of motor with automatic protection functions that the present embodiment provides, comprise motor body 3, switch 4, described switch comprises mains switch and open/guard's valve, described in there is automatic protection functions motor also comprise A.C. contactor 1 and electronic overcurrent protection device 2; Described mains switch and opening/guard's valve is connected to motor body 3 through A.C. contactor 1 and electronic overcurrent protection device 2.
Signal input interface, electronic chip and control circuit is provided with in A.C. contactor 1, the signal of three ABC of three phase mains is connected to the input of electronic chip through signal input interface, the output of electronic chip is connected with control circuit, and described control circuit drives A.C. contactor 1 solenoid for controlling photoelectric device.
Electronic overcurrent protection device 2, for measuring the electric current of motor body, according to measurement result, exports the control signal disconnecting motor body circuit when needed.
Electronic chip for gathering, detection signal input interface phase sequence waveform, frequency, the voltage of electric current that transmit.
Control circuit drives the solenoid of A.C. contactor for controlling photoelectric device.
Motor body 3 is provided with a terminal box.
A.C. contactor 1 and electronic overcurrent protection device 2 are all arranged in terminal box.
Terminal box is made up of bottom, sealing ring and top cover.Top cover and bottom, by gemel connection, conveniently open and close.It is locking and closed that top cover and bottom pass through snap close.
Terminal box and casing bolt are fixed.Winding terminals two ends are fixed by screw and terminal box.Electronic protector is fixed by screw and terminal box.A.C. contactor 1 two ends are fixed by screw and terminal box.Binding post two ends are fixed by screw and terminal box.
Three phase mains is connected with three normally opened contacts of A.C. contactor 1 respectively through water-proof sealing lockhole, and is fixed and clamped by fixing pressure folder.Another normally opened contact of A.C. contactor 1 is communicated with motor body winding forms main current supply circuit through the current detecting hole access winding terminals of electronic protector.
Open/guard's valve comprises starting switch and shutdown switch.
Power firestreak access electronic overcurrent protection device 2 normally-closed contact is connected with A.C. contactor 1 coil, and starting switch incoming transport contactor 1 coil forms start-up circuit.Starting switch often leaves auxiliary contact incoming transport contactor 1 coil through A.C. contactor 1, is formed and starts latching circuit.
The technical solution of the utility model adopts a kind of A.C. contactor 1 with phase sequence function, forms complete control system, be fixed on the position of the former terminal box of motor by the switching device box similar with motor connecting cartridge with electronic overcurrent protection device 2.
A.C. contactor 1 operation principle is: by three-phase electricity down block three phase mains signal access signal input interface, electronic chip is by gathering, detecting phase sequence waveform, frequency, the voltage of three-phase electricity, and discriminatory analysis judgement exports, control photoelectric device drives A.C. contactor 1 solenoid.
The performance of A.C. contactor 1; Circuit performance Micro Energy Lose, noiselessness, antijamming capability controls by force accurately, has the function to motor anti-phase, phase shortage, disconnected phase, under-voltage protection.
Electronic overcurrent protection device 2 is a kind of Universal motor type current over-load protectors; through to electric electromechanics flow measurement, collection signal is separated, data compare, current detecting, logic analysis judge; when motor running electric current is excessive exceed set point time, export disconnect control signal.
Install and use in the chain of motor in whole production, save labour and a large amount of appliance material and device resource, be conducive to the standardization of automatic control system and the stability of motor that improve motor.
Claims (6)
1. there is a motor for automatic protection functions, comprise motor body, mains switch, open/guard's valve, it is characterized in that: described in there is automatic protection functions motor also comprise A.C. contactor and electronic overcurrent protection device; Described mains switch and opening/guard's valve is connected to motor body through A.C. contactor, electronic overcurrent protection device; signal input interface, electronic chip and control circuit is provided with in described A.C. contactor; signal input interface is connected with the input of electronic chip, and the output of electronic chip is connected with control circuit.
2. the motor with automatic protection functions according to claim 1, is characterized in that: electronic overcurrent protection device for measuring the electric current of motor body, and exports the disconnection control signal for disconnecting motor body circuit.
3. the motor with automatic protection functions according to claim 1, is characterized in that: electronic chip for gathering, detection signal input interface phase sequence waveform, frequency, the voltage of electric current that transmit.
4. the motor with automatic protection functions according to claim 1, is characterized in that: control circuit drives the solenoid of A.C. contactor for controlling photoelectric device.
5. the motor with automatic protection functions according to claim 1, described motor body is provided with terminal box.
6. the motor with automatic protection functions according to claim 5, described A.C. contactor and electronic overcurrent protection device are all arranged in terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751692.9U CN204441866U (en) | 2014-12-03 | 2014-12-03 | A kind of motor with automatic protection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751692.9U CN204441866U (en) | 2014-12-03 | 2014-12-03 | A kind of motor with automatic protection functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441866U true CN204441866U (en) | 2015-07-01 |
Family
ID=53609686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420751692.9U Expired - Fee Related CN204441866U (en) | 2014-12-03 | 2014-12-03 | A kind of motor with automatic protection functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441866U (en) |
-
2014
- 2014-12-03 CN CN201420751692.9U patent/CN204441866U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |