CN209435142U - A kind of electrical machine energy-saving control device - Google Patents
A kind of electrical machine energy-saving control device Download PDFInfo
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- CN209435142U CN209435142U CN201822064892.8U CN201822064892U CN209435142U CN 209435142 U CN209435142 U CN 209435142U CN 201822064892 U CN201822064892 U CN 201822064892U CN 209435142 U CN209435142 U CN 209435142U
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Abstract
The utility model discloses a kind of electrical machine energy-saving control devices, comprising: three-phase constant voltage source；Three-phase automatic coupling voltage regulator, three-phase constant voltage source are electrically connected with three-phase automatic coupling voltage regulator；Three phase induction motor, three phase induction motor are electrically connected with three-phase automatic coupling voltage regulator；Electric current and wattful power messurement unit, electric current and wattful power messurement unit are connect with three phase induction motor signal；Controller, controller are connect with electric current and wattful power messurement cell signal；Servomotor, controller controls servomotor, and servomotor is electrically connected with three-phase automatic coupling voltage regulator.The utility model can make the motor such as blower and water pump under power frequency power supply mode, and the supply voltage of motor is automatically adjusted according to loading condition, realize the energy-saving run of motor at light load.
Description
Technical field
The utility model relates to the technical field of electrical machine energy-saving more particularly to a kind of electrical machine energy-saving control devices.
Background technique
Coating refers to metal and nonmetallic surface protective mulch or decorative layer.With the development of industrial technology, coating
Developed from craft to industrial automation direction, and the degree automated is higher and higher, so the application of paint line
It is more and more extensive, and it is deep into the multiple fields of national economy.
Paint line mainly applies line, refine line and its drying by pre-processing electrophoresis line, sealing primary coat line, middle painting line, face
System composition.The mechanization conveying side that paint line all fronts work conveyance system is combined using aerial suspension and ground sled
Formula runs smoothly, rapid and convenient, is controllably programmed using PLC, according to the actual requirement programming Control of production technology, carries out scene
Bus center monitoring, subregion realize switching operation automatically.
The component part of finishing line specifically includes that pre-processing device, powder spraying system, paint spraying apparatus, baker, heat source system
System, electric-control system, suspension conveyer chain etc..
Finishing line often has the demand of setting energy-saving equipment, and existing paint line section since energy consumption is higher
Energy high equipment cost, control system are complicated, the frequent on-off of drive circuit power component be easy to cause electric motor system fever aging
The problem of.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of electrical machine energy-saving control devices.
The technical solution adopted in the utility model is as follows:
A kind of electrical machine energy-saving control device, wherein include:
Three-phase constant voltage source；
Three-phase automatic coupling voltage regulator, the three-phase constant voltage source are electrically connected with the three-phase automatic coupling voltage regulator；
Three phase induction motor, the three phase induction motor are electrically connected with the three-phase automatic coupling voltage regulator；
Electric current and wattful power messurement unit, the electric current and wattful power messurement unit and the three phase induction motor
Signal connection；
Controller, the controller are connect with the electric current and wattful power messurement cell signal；
Servomotor, the controller controls the servomotor, and the servomotor and the three-phase are certainly
The electrical connection of coupling pressure regulator.
Above-mentioned electrical machine energy-saving control device, wherein the electric current and wattful power messurement unit include:
Current detection module, the current detection module are connect with the three phase induction motor signal；
Voltage detection module, the voltage detection module are connect with the three phase induction motor signal.
Above-mentioned electrical machine energy-saving control device, wherein the current detection module includes:
Current detection sensor, the current detection sensor are connect with the three phase induction motor signal；
First low-pass filter, first low-pass filter are connected with the current detection sensor；
Digital sample device, the digital sample device are connected with first low-pass filter.
Above-mentioned electrical machine energy-saving control device, wherein the voltage detection module includes:
Voltage detecting sensor, the voltage detecting sensor are connect with the three phase induction motor signal；
Second low-pass filter, second low-pass filter are connected with the voltage detecting sensor.
Above-mentioned electrical machine energy-saving control device, wherein the servomotor is fan electromotor or pump motor.
Due to using above-mentioned technology, the good effect for being allowed to have compared with prior art is the utility model:
(1) the utility model can make the motor such as blower and water pump under power frequency power supply mode, automatic according to loading condition
The supply voltage of motor is adjusted, realizes the energy-saving run of motor at light load.
Detailed description of the invention
Fig. 1 is the schematic diagram of the electrical machine energy-saving control device of the utility model.
Fig. 2 is the structural block diagram of the current detection module of the electrical machine energy-saving control device of the utility model.
Fig. 3 is the structural block diagram of the voltage detection module of the electrical machine energy-saving control device of the utility model.
Fig. 4 is the structural block diagram of the electrical machine energy-saving control device of the utility model.
In attached drawing: 1, three-phase constant voltage source；2, three-phase automatic coupling voltage regulator；3, three phase induction motor；4, electric current and active
Power measurement unit；41, current detection module；411, current detection sensor；412, the first low-pass filter；413, number is adopted
Sampling device；42, voltage detection module；421, voltage detecting sensor；422, the second low-pass filter；5, controller；6, servo
Motor.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
Fig. 1 is the schematic diagram of the electrical machine energy-saving control device of the utility model, and Fig. 2 is the electrical machine energy-saving control of the utility model
The structural block diagram of the current detection module of device processed, Fig. 3 are the voltage detecting moulds of the electrical machine energy-saving control device of the utility model
The structural block diagram of block, Fig. 4 are the structural block diagrams of the electrical machine energy-saving control device of the utility model, referring to fig. 1 to fig. 4,
Show a kind of electrical machine energy-saving control device of preferred embodiment, comprising: three-phase constant voltage source 1 and three-phase automatic coupling voltage regulator 2, three
Phase constant voltage source 1 is electrically connected with three-phase automatic coupling voltage regulator 2.
In addition, as a kind of preferred embodiment, electrical machine energy-saving control device further include: three phase induction motor 3, three-phase
Induction conductivity 3 is electrically connected with three-phase automatic coupling voltage regulator 2.
In addition, as a kind of preferred embodiment, electrical machine energy-saving control device further include: electric current and wattful power messurement list
Member 4, electric current and wattful power messurement unit 4 are connect with 3 signal of three phase induction motor.
Further, as a kind of preferred embodiment, electrical machine energy-saving control device further include: controller 5, controller 5 with
Electric current and the connection of 4 signal of wattful power messurement unit.Electric current and wattful power messurement unit 4 are for measuring three phase induction motor
3 electric current and active power, to obtain the loading condition of motor.
Further, as a kind of preferred embodiment, electrical machine energy-saving control device further include: servomotor 6, control
Device 5 controls servomotor 6, and servomotor 6 is electrically connected with three-phase automatic coupling voltage regulator 2.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope.
The utility model also has on the basis of the above is implemented as follows mode:
In the further embodiment of the utility model, continuing with referring to FIG. 1 to FIG. 4, electric current and wattful power messurement
Unit 4 includes: current detection module 41, and current detection module 41 is connect with 3 signal of three phase induction motor.
In the further embodiment of the utility model, electric current and wattful power messurement unit 4 include: voltage detection module
42, voltage detection module 42 is connect with 3 signal of three phase induction motor.
In the further embodiment of the utility model, current detection module 41 includes: current detection sensor 411, electric current
Detection sensor 411 is connect with 3 signal of three phase induction motor.Current detection sensor 411 is electronic for detecting three-phase induction
The electric current of machine 3.
In the further embodiment of the utility model, current detection module 41 includes: the first low-pass filter 412, and first
Low-pass filter 412 is connected with current detection sensor 411.
In the further embodiment of the utility model, current detection module 41 includes: digital sample device 413, and number is adopted
Sampling device 413 is connected with the first low-pass filter 412.
In the further embodiment of the utility model, voltage detection module 42 includes: voltage detecting sensor 421, voltage
Detection sensor 421 is connect with 3 signal of three phase induction motor.Voltage detecting sensor 421 is electronic for detecting three-phase induction
The voltage of machine 3.
In the further embodiment of the utility model, voltage detection module 42 includes: the second low-pass filter 422, and second
Low-pass filter 422 is connected with voltage detecting sensor 421.
In the further embodiment of the utility model, servomotor 6 is fan electromotor or pump motor.In servo
Under 6 power frequency power supply mode of motor, the supply voltage of motor is automatically adjusted according to loading condition, realizes motor at light load
Energy-saving run.
The utility model identifies that energy-saving effect is significant through Shaoxing energy detecting institute.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (5)
1. a kind of electrical machine energy-saving control device characterized by comprising
Three-phase constant voltage source；
Three-phase automatic coupling voltage regulator, the three-phase constant voltage source are electrically connected with the three-phase automatic coupling voltage regulator；
Three phase induction motor, the three phase induction motor are electrically connected with the three-phase automatic coupling voltage regulator；
Electric current and wattful power messurement unit, the electric current and wattful power messurement unit and the three phase induction motor signal
Connection；
Controller, the controller are connect with the electric current and wattful power messurement cell signal；
Servomotor, the controller control the servomotor, and the servomotor and the three-phase self coupling tune
Depressor electrical connection.
2. electrical machine energy-saving control device according to claim 1, which is characterized in that the electric current and wattful power messurement list
Member includes:
Current detection module, the current detection module are connect with the three phase induction motor signal；
Voltage detection module, the voltage detection module are connect with the three phase induction motor signal.
3. electrical machine energy-saving control device according to claim 2, which is characterized in that the current detection module includes:
Current detection sensor, the current detection sensor are connect with the three phase induction motor signal；
First low-pass filter, first low-pass filter are connected with the current detection sensor；
Digital sample device, the digital sample device are connected with first low-pass filter.
4. electrical machine energy-saving control device according to claim 2, which is characterized in that the voltage detection module includes:
Voltage detecting sensor, the voltage detecting sensor are connect with the three phase induction motor signal；
Second low-pass filter, second low-pass filter are connected with the voltage detecting sensor.
5. electrical machine energy-saving control device according to claim 1, which is characterized in that the servomotor is fan motor
Machine or pump motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064892.8U CN209435142U (en) | 2018-12-10 | 2018-12-10 | A kind of electrical machine energy-saving control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064892.8U CN209435142U (en) | 2018-12-10 | 2018-12-10 | A kind of electrical machine energy-saving control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209435142U true CN209435142U (en) | 2019-09-24 |
Family
ID=67971322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064892.8U Active CN209435142U (en) | 2018-12-10 | 2018-12-10 | A kind of electrical machine energy-saving control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209435142U (en) |
-
2018
- 2018-12-10 CN CN201822064892.8U patent/CN209435142U/en active Active
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