CN207150355U - A kind of energy-saving motor - Google Patents
A kind of energy-saving motor Download PDFInfo
- Publication number
- CN207150355U CN207150355U CN201721012511.0U CN201721012511U CN207150355U CN 207150355 U CN207150355 U CN 207150355U CN 201721012511 U CN201721012511 U CN 201721012511U CN 207150355 U CN207150355 U CN 207150355U
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- CN
- China
- Prior art keywords
- binding post
- motor
- controllable silicon
- triode
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- 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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Abstract
A kind of energy-saving motor, it includes casing（1）, stator（2）, rotor（3）, it is characterized in that, in terminal box（7）In the wiring board of electricity-saving appliance is installed（8）, the first binding post J1 during use on wiring board connects the phase line of civil power, and the second binding post J2 connects the zero line of civil power, easy to use.The electric current Ia of motor is converted to corresponding voltage Ui by the current transformer in electricity-saving appliance, after the rectified circuit rectifies of voltage Ui, the pulse signal of triggering controllable silicon is produced using the zero crossing of its waveform, when the power factor of motor reduces, the pulse signal of triggering controllable silicon can also lag generation, reduce the angle of flow of controllable silicon, and the terminal voltage of motor reduces, the power factor of motor rises, and its power savings is up to 20%.
Description
Technical field
A kind of energy-saving motor is the utility model is related to, it is made up of single-phase motor body and electricity-saving appliance.
Background technology
Motor due to the change of load, makes the power factor of motor reduce in the process of running, the efficiency of motor
Decline, to avoid the waste of electric energy, method that generally use adjusts terminal voltage of motor, but existing electric motor electricity saver knot
Structure is more complicated, volume is big, it is difficult to which in the casing of motor, type selecting is inconvenient with using.
Utility model content
In view of the shortcomings of the prior art, the utility model proposes a kind of energy-saving motor, economize on electricity is installed on its casing
Device, convenient use.
The technical solution of the utility model is a kind of energy-saving motor, and it includes casing 1, stator, rotor 3, its feature
It is the wiring board 8 that electricity-saving appliance is provided with terminal box 7, the electronic component on wiring board includes：Controllable silicon SCR, Current Mutual Inductance
Device LH, triode T1, optocoupler GE1, full-wave rectifier QL1 and the first binding post J1, the second binding post J2, the 3rd binding post
J3；
Current transformer LH primary coil one termination the first binding post J1, current transformer LH primary coil it is another
The anode of one termination controllable silicon SCR, the negative electrode of controllable silicon SCR are connected by one end of the 3rd binding post J3 and motor MD winding
Connect, the second binding post of another termination J2, the first binding post J1 of motor MD winding meet the phase line of civil power, the second binding post J2
Connect the zero line of civil power；
Current transformer LH secondary coil is connected with the input of a full-wave rectifier QL1, full-wave rectifier QL1 outputs
The negative pole ground connection at end, the positive pole of full-wave rectifier QL1 output ends are connected by the base stage of resistance R2 and triode, the base of triode
Pole is grounded by resistance R3, and the emitter stage of triode connects voltage-stabiliser tube DW1 anode by resistance R1, and voltage-stabiliser tube DW1 negative electrode connects
The output end VDD of working power, the colelctor electrode of triode are connected with the anode of optocoupler GE1 light emitting diode, light emitting diode
Minus earth, the control pole K of a termination controllable silicon SCR of optocoupler GE1 optoelectronic controlled silicon, the other end of optoelectronic controlled silicon leads to
The anode for crossing resistance R4 and controllable silicon SCR connects；
The output end VDD of the coil J of a Miniature direct current relay termination working power, the coil of Miniature direct current relay
J other end ground connection；The normally-closed contact J1 of Miniature direct current relay is in parallel with optocoupler GE1 optoelectronic controlled silicon.
The characteristics of the utility model is that Current Transformer is as source of synchronising signal and working power so that electricity-saving appliance
Electronic line structure is simplified significantly so that the small volume of wiring board, wiring board can be arranged in terminal box, wiring board during use
On the first binding post J1 connect the phase line of civil power, the second binding post J2 connects the zero line of civil power, easy to use, its power savings
Up to 20%.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the electrical schematic diagram of electricity-saving appliance.
Embodiment
In conjunction with brief description of the drawings specific embodiment of the present utility model.
A kind of energy-saving motor, it includes casing 1, stator 2, rotor 3, and drive end bearing bracket 5 is fixedly connected with the side of casing,
The opposite side of casing is fixedly connected with rear end cap 6, the both ends of the main shaft 4 in rotor respectively by bearing be supported on drive end bearing bracket and after
On end cap, it is characterized in that, the wiring board 8 of electricity-saving appliance is installed in terminal box 7, the electronic component of electricity-saving appliance includes：Controllable silicon
SCR, current transformer LH, triode T1, optocoupler GE1, full-wave rectifier QL1, one end of current transformer LH primary coil
Meet the first binding post J1, the anode of another termination controllable silicon SCR of current transformer LH primary coil, current transformer LH's
Secondary coil is connected with the input of a full-wave rectifier QL1, the negative pole ground connection of full-wave rectifier QL1 output ends, full-wave rectification
The positive pole of device QL1 output ends is connected by the base stage of resistance R2 and triode, and the base stage of triode is grounded by resistance R3, three poles
The emitter stage of pipe connects voltage-stabiliser tube DW1 anode by resistance R1, and voltage-stabiliser tube DW1 negative electrode meets the output end VDD of working power, and three
The colelctor electrode of pole pipe is connected with the anode of optocoupler GE1 light emitting diode, the minus earth of light emitting diode, optocoupler GE1 light
The control pole K of one termination controllable silicon SCR of electrically controllable silicon, the other end of optoelectronic controlled silicon pass through resistance R4 and controllable silicon SCR
Negative electrode is connected, and the negative electrode of controllable silicon SCR is connected by the 3rd binding post J3 with one end of motor MD winding, motor MD's
The second binding post of another termination J2, the first binding post J1 of winding connect the phase line of civil power, and the second binding post J2 connects the zero line of civil power.
The output end VDD of the coil J of a Miniature direct current relay termination working power, the coil of Miniature direct current relay
J other end ground connection；The normally-closed contact J1 of Miniature direct current relay both ends and the both ends of optocoupler GE1 optoelectronic controlled silicon are simultaneously
Connection.
Described controllable silicon is bidirectional triode thyristor.Described optocoupler GE1 model TLP160G.
Described working power is made up of diode D1 and electric capacity C1, and diode D1 anode and full-wave rectifier QL1 is defeated
Go out the positive pole connection at end, diode D1 negative electrode is grounded by electric capacity C1, the connection between diode D1 negative electrode and electric capacity C1
Point is the output end VDD of working power.
Casing is provided with lead wire outlet 10, and the lead of wiring board is connected to the winding of motor through lead wire outlet.
Ventilating opening 9 is provided with the end face of drive end bearing bracket, ventilating opening also is provided with the end face of rear end cap, is so easy to reduction machine
Temperature in shell, improve the operational efficiency of motor.
The operation principle of electricity-saving appliance is that the current signal of motor is converted to corresponding voltage signal by current transformer LH
Ui, full-wave rectifier QL1 carry out full-wave rectification to voltage signal Ui, and triode T1 is applied to through resistance R2, R3 partial pressure（Triode
Model 9012）Base stage on, when full wave rectified signal trailing edge be less than voltage-stabiliser tube DW1 voltage stabilizing value when, triode T1
Conducting forms pulse, optocoupler GE1 optoelectronic controlled silicon conducting, optoelectronic controlled silicon triggering controllable silicon SCR.
In the process of running when power factor declines, the current waveform of motor produces phase with respect to line voltage waveform
Mobile, the angle of flow of controllable silicon reduces, and the terminal voltage of motor declines, and the exciting current of motor declines, and power factor rises.
Miniature direct current relay is used for the startup of motor, and current transformer Non voltage output when motor is not powered on is small
The normally-closed contact J1 closures of type DC relay, the coil of Miniature direct current relay obtains electric, normally-closed contact J1 after motor is powered
Open, motor enters power-saving running state.
Current Transformer of the present invention is as source of synchronising signal and working voltage source so that the electronic line structure of electricity-saving appliance
Simplify significantly.
The present invention is applied to below 1KW single-phase motor, and its power savings is up to 20%.The electricity that other electricity-saving appliance uses
Subcomponent is less, and the probability to break down is low；The first binding post J1 during use on wiring board connects the phase line of civil power, the second wiring
Post J2 connects the zero line of civil power, very convenient.
Claims (3)
1. a kind of energy-saving motor, it includes casing（1）, stator（2）, rotor（3）, it is characterized in that, in terminal box（7）Middle installation
There is the wiring board of electricity-saving appliance（8）, the electronic component on wiring board includes：Controllable silicon SCR, current transformer LH, triode T1, light
Coupling GE1, full-wave rectifier QL1 and the first binding post J1, the second binding post J2, the 3rd binding post J3；
One the first binding post J1 of termination of current transformer LH primary coil, the other end of current transformer LH primary coil
The anode of controllable silicon SCR is connect, the negative electrode of controllable silicon SCR is connected by the 3rd binding post J3 with one end of motor MD winding,
The second binding post of another termination J2, the first binding post J1 of motor MD winding connect the phase line of civil power, and the second binding post J2 connects
The zero line of civil power；
Current transformer LH secondary coil is connected with the input of a full-wave rectifier QL1, full-wave rectifier QL1 output ends
Negative pole is grounded, and the positive pole of full-wave rectifier QL1 output ends is connected by the base stage of resistance R2 and triode, and the base stage of triode is led to
Resistance R3 ground connection is crossed, the emitter stage of triode connects voltage-stabiliser tube DW1 anode by resistance R1, and voltage-stabiliser tube DW1 negative electrode connects work
The output end VDD of power supply, the colelctor electrode of triode are connected with the anode of optocoupler GE1 light emitting diode, the moon of light emitting diode
Pole is grounded, and the control pole K of a termination controllable silicon SCR of optocoupler GE1 optoelectronic controlled silicon, the other end of optoelectronic controlled silicon passes through electricity
The negative electrode for hindering R4 and controllable silicon SCR connects；
Described controllable silicon SCR is bidirectional triode thyristor, described optocoupler GE1 model TLP160G；
The output end VDD of the coil J of a Miniature direct current relay termination working power, the coil J's of Miniature direct current relay
The other end is grounded；The normally-closed contact J1 of Miniature direct current relay is in parallel with optocoupler GE1 optoelectronic controlled silicon.
2. a kind of energy-saving motor according to claim 1, it is characterized in that, described working power is by diode D1 and electricity
Hold C1 to form, diode D1 anode is connected with the positive pole of full-wave rectifier QL1 output ends, and diode D1 negative electrode passes through electric capacity
C1 is grounded, and the tie point between diode D1 negative electrode and electric capacity C1 is the output end VDD of working power.
3. a kind of energy-saving motor according to claim 1, it is characterized in that, the drive end bearing bracket in casing side（5）End face
It is provided with ventilating opening（9）, in the rear end cap of casing opposite side（6）End face on also be provided with ventilating opening（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012511.0U CN207150355U (en) | 2017-08-14 | 2017-08-14 | A kind of energy-saving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012511.0U CN207150355U (en) | 2017-08-14 | 2017-08-14 | A kind of energy-saving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150355U true CN207150355U (en) | 2018-03-27 |
Family
ID=61665412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721012511.0U Expired - Fee Related CN207150355U (en) | 2017-08-14 | 2017-08-14 | A kind of energy-saving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207150355U (en) |
-
2017
- 2017-08-14 CN CN201721012511.0U patent/CN207150355U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20200814 |