CN208209845U - It is a kind of for improving the combination relay of motor operation efficiency - Google Patents
It is a kind of for improving the combination relay of motor operation efficiency Download PDFInfo
- Publication number
- CN208209845U CN208209845U CN201820720398.XU CN201820720398U CN208209845U CN 208209845 U CN208209845 U CN 208209845U CN 201820720398 U CN201820720398 U CN 201820720398U CN 208209845 U CN208209845 U CN 208209845U
- Authority
- CN
- China
- Prior art keywords
- circuit
- motor
- relay
- motors
- power
- 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.)
- Active
Links
Landscapes
- Control Of Multiple Motors (AREA)
Abstract
The utility model discloses a kind of for improving the combination relay of motor operation efficiency, which is connected between two motors or two ends power input L and two power input N-terminals of two windings；The combination relay has electric current output sample circuit to be used to acquire the operating current of two motors or two windings；The combination relay has circuit for controlling motor to be used to control the serial or parallel connection between two motors or two windings；The combination relay also has single-chip minimum system, single-chip minimum system is connected between electric current output sample circuit and circuit for controlling motor, pass through the judgement to motor or winding operating current, and then control signal is exported to circuit for controlling motor, make two motors or two windings in series or parallel connection.The utility model to change power of motor and reduces the loss power of motor by the serial or parallel connection of two motors of control or two windings, to reach energy-efficient purpose.
Description
Technical field
The utility model relates to electronic equipments technical fields, more particularly to a kind of for improving the group of motor operation efficiency
Close type relay.
Background technique
At this stage, in terms of electric system overall operation situation, China's motor power consumption account for about commercial power total amount 60%~
70%, it has a long way to go compared with external, in practical application, running efficiency of system is 30~40%, lower than international most advanced level 20
~30%；Group efficiency is about 75%, and lower by 10% or so than external, especially industrial electricity apparatus power consumption is high, wastes situation
It is more serious, in process of production, it is be easy to cause equipment loss, lead to that the production cost increases, service life of equipment shortens, equipment
Maintenance, repair expense remains high situation.From this, the motor application in China has great energy-saving potential, carry out motor
Energy conservation is imperative.Electrical machine energy-saving this problem is solved first it is to be understood that the principle of motor, motor generate magnetic in operation
, power of motor is directly related with magnetic field strength and rotation speed, and intensity is determined by external voltage, rotation speed be by
What the frequency of alternating current determined, and speed can inhibit the increase of electric current in turn fastly, when frequency is high, speed is fast, and power is smaller, frequency
Power is big when rate is low, and speed is small.It can be seen that the power for adjusting motor can change its voltage, electric current and frequency.
Currently, China has used Frequency Conversion and Speed Regulation Technique gradually in electromechanics trade to reduce energy consumption, and Industry Control is led
Many speed adjusting methods in domain also rest on traditional technology, under conditions of not changing original package motor, guarantee motor
Output torque and load, effectively avoid motor due to overload operation caused by waste of energy, that will use new energy conservation
Measure, built-in optimal control module, dynamic adjust voltage and frequency in motor operation.Motor operation often uses frequency converter
Electric system is controlled, to change frequency, improves energy conservation, but due to converting operation when can generate the electricity such as higher hamonic wave, electromagnetic radiation
Son pollution.With the extensive application of power electronic equipment, power electronics pollution problem is increasing, if be not subject to fundamentally
It solves, control system paralysis, the frequently adverse consequences such as malfunction will be caused；In addition, in motor unlatching or overburden operation
When, it may appear that peak value and overvoltage phenomenon, motor temperature increase, and raising will be flowed wink, so that inductive load current be made to lose
Increase and copper loss improves.This just teaches that, due to the impact of wink stream high pressure, extra electric energy is converted into thermal energy, thus makes electricity
The running temperature of machine rises.The every rising of motor temperature once, increases about 4% electricity.
Utility model content
The purpose of the utility model is to overcome the deficiencies of the prior art, provide a kind of for improving motor operation efficiency
Combination relay, by the detection to bi-motor or doublewound operating current, to control two motors or two windings
Serial or parallel connection changes power of motor and reduces the loss power of motor in turn, to reach energy-efficient purpose.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of double-purpose is in raising motor operation efficiency
Combination relay, which is connected to two ends power input L and two of two motors or two windings
Between a power input N-terminal；The combination relay has electric current output sample circuit to be used to acquire two motors or two
The operating current of winding；The combination relay has circuit for controlling motor to be used to control between two motors or two windings
Serial or parallel connection；The combination relay also has single-chip minimum system, and single-chip minimum system is connected to electric current output
Between sample circuit and circuit for controlling motor, single-chip minimum system to the electric current current value be defeated by of output sample circuit with it is preset
Threshold value judged, when the current value be greater than preset threshold value when, single-chip minimum system to circuit for controlling motor export
First control signal makes two motors or two around composition parallel connection, and otherwise, single-chip minimum system is to circuit for controlling motor
Second control signal is exported, makes two motors or two windings at series connection.
The combination relay further includes power circuit and voltage regulator circuit, and the input of power circuit is connected to external alternating current-direct current
Electricity, power circuit by external alternating current-direct current high-low voltage conversion low-voltage direct export, the output of power circuit respectively to voltage regulator circuit,
Circuit for controlling motor power supply；The voltage regulator circuit converts input voltage into burning voltage output, the output difference of voltage regulator circuit
To the single-chip minimum system, electric current output sample circuit power supply.
The power circuit and voltage regulator circuit are combined into power supply stabilization circuit, and the output of power supply stabilization circuit is respectively to monolithic
Machine minimum system, electric current output sample circuit, circuit for controlling motor power supply.
The circuit for controlling motor includes two relays or thyristor, and two relays or thyristor are connect respectively at two
Between motor or two ends power input L and two power input N-terminals of two windings.
The circuit for controlling motor includes the first relay and the second relay, and the dynamic spring of the first relay is drawn and first
The end power input L of motor or winding is connected, and the normally closed quiet spring of the first relay draws the power supply with the second motor or winding
The input end L is connected, and the normally opened quiet spring of the first relay, which draws to draw with the normally opened quiet spring of the second relay, to be connected, second after
The dynamic spring extraction of electric appliance is connected with the power input N-terminal of the second motor or winding, the normally closed quiet spring of the second relay draw and
The power input N-terminal of first motor or winding is connected.
Compared with prior art, the beneficial effects of the utility model are:
Combination relay is connected to two power supplys of two motors or two windings due to using by the utility model
It inputs between the end L and two power input N-terminals；And combination relay has electric current output sample circuit to be used to acquire
The operating current of two motors or two windings has circuit for controlling motor to be used to control between two motors or two windings
Serial or parallel connection, have single-chip minimum system be connected to electric current output sample circuit and circuit for controlling motor between, utilize
The current value that single-chip minimum system is defeated by electric current output sample circuit judges with preset threshold value, when the current value
When greater than preset threshold value, first control signal is exported to circuit for controlling motor, makes two motors or two around forming shape in parallel
Otherwise state exports second control signal to circuit for controlling motor, makes two motors or two windings at series connection.This is practical
The novel detection by bi-motor or doublewound operating current, to control the serial or parallel connection of two motors or two windings
And then change power of motor and reduce the loss power of motor, to reach energy-efficient purpose.
The utility model is described in further detail with reference to the accompanying drawings and embodiments；But a kind of use of the utility model
It is not limited to the embodiment in the combination relay for improving motor operation efficiency.
Detailed description of the invention
Fig. 1 is the application schematic diagram of the utility model；
Fig. 2 is the principles of the present invention block diagram；
Fig. 3 is the power circuit of the utility model and the circuit diagram of voltage regulator circuit；
Fig. 4 is the circuit diagram of the single-chip minimum system of the utility model；
Fig. 5 is the circuit diagram of the circuit for controlling motor of the utility model；
Fig. 6 is the circuit diagram of the electric current output sample circuit of the utility model.
Specific embodiment
Embodiment
Referring to shown in Fig. 1 to Fig. 6, the utility model it is a kind of for improving the combination relay of motor operation efficiency,
The combination relay be connected to two motors or two windings two ends power input L and two power input N-terminals it
Between；The combination relay has electric current output sample circuit 3 to be used to acquire the operating current of two motors or two windings；
The combination relay has circuit for controlling motor 5 to be used to control the serial or parallel connection between two motors or two windings；
The combination relay also has a single-chip minimum system 4, single-chip minimum system 4 be connected to electric current output sample circuit 3 with
Between circuit for controlling motor 5, single-chip minimum system 4 exports the current value and preset threshold value that sample circuit 3 is defeated by electric current
Judged, when the current value is greater than preset threshold value, single-chip minimum system 4 exports first to circuit for controlling motor 5
Signal is controlled, makes two motors or two around composition parallel connection, otherwise, single-chip minimum system 4 is defeated to circuit for controlling motor 5
Second control signal out makes two motors or two windings at series connection.
Combination relay further includes power circuit 1 and voltage regulator circuit 2, and the input of power circuit 1 is connected to external alternating current-direct current
Electricity, power circuit 1 export external alternating current-direct current high-low voltage conversion low-voltage direct, and the output of power circuit 1 is respectively to pressure stabilizing electricity
Road 2, circuit for controlling motor 5 are powered；The voltage regulator circuit 2 convert input voltage into burning voltage output, voltage regulator circuit 2 it is defeated
It powers respectively to the single-chip minimum system 4, electric current output sample circuit 3 out.
It is of course also possible to power circuit 1 and voltage regulator circuit 2 are combined into power supply stabilization circuit, power supply stabilization circuit it is defeated
It powers respectively to single-chip minimum system 4, electric current output sample circuit 3, circuit for controlling motor 5 out.
The circuit for controlling motor includes two relays or thyristor, and two relays or thyristor are connect respectively at two
Between motor or two ends power input L and two power input N-terminals of two windings.
As shown in figure 5, in the present embodiment, the circuit for controlling motor includes the first relay and the second relay, first
The dynamic spring extraction of relay is connected with the end power input L of first motor or winding, and the normally closed quiet spring of the first relay is drawn
It is connected with the end power input L of the second motor or winding, the normally opened quiet spring of the first relay is drawn normal with the second relay
Quiet spring extraction to be opened to be connected, the dynamic spring extraction of the second relay is connected with the power input N-terminal of the second motor or winding, and second
The normally closed quiet spring extraction of relay is connected with the power input N-terminal of first motor or winding.
The utility model it is a kind of for improving the combination relay of motor operation efficiency, power circuit 1 be entire
The power supply of electronics device；The power circuit 1 output be connected to voltage regulator circuit 2 into a pressure stabilizing be 3V, 5V；2 pressure stabilizing of voltage regulator circuit
Output is connected to electric current output sample circuit 3 afterwards, singlechip minimum system circuit 4 is powered for it；The electric current output sampling electricity
Road 3 includes the operating current situation that current transformer and current filtering amplifying circuit are used to detect two motors or winding, is then passed through
Filtering is crossed, output is connected to singlechip minimum system circuit after amplification, for single-chip minimum system 4 for analyzing and determining motor
Working condition generates corresponding motor series and parallel control instruction；The single-chip minimum system 4 generates control instruction output
It is connected to circuit for controlling motor 5, the circuit for controlling motor 5 is connected to motor by outputs such as relay, thyristors, to motor
It carries out controlling series-parallel control.
Power circuit 1 includes resistance, and capacitor, the electronic components such as triode, the effect of power circuit 1 is input power
The power supply of AC24V~AC240V is converted into low-voltage direct output, is that voltage regulator circuit 2 and circuit for controlling motor 5 are powered.Voltage regulator circuit
2 include resistance, the electronic components such as zener diode, the effect of voltage regulator circuit 2 be low-voltage dc power supply is converted into it is stable
5.1V output exports sample circuit 3 and provides reliable and stable voltage for singlechip minimum system circuit 4 and electric current.Electric current output
Sample circuit 3 includes current transformer, and the electronic components such as amplifier IC carry out Current Mutual Inductance by current transformer, and pass through
Operational amplifier circuit is filtered rectification amplification to current signal, provides stable electric signal for singlechip minimum system circuit 4.Monolithic
Machine minimum system 4 carries out internal AD conversion, and analyze and determine by corresponding software program algorithm the working condition of motor:
Underloading, heavy duty, abnormal work.When motor is under light condition (low-current case), single-chip minimum system 4 passes through motor control
Circuit 5 processed makes motor be in series connection.When motor is under heavy condition (high current situation), single-chip minimum system 4 is logical
Crossing circuit for controlling motor 5 makes motor be in parallel connection.When motor is under abnormal work, single-chip minimum system 4 passes through electricity
Machine control circuit 5 is in an off state motor.Software program algorithm in minimum system circuit 4 uses existing mature technology
It is handled.Circuit for controlling motor 5 includes resistance, and capacitor, triode, the electronic components such as relay (or thyristor) pass through
Two N to two motors (i.e. first motor, the second motor), L input terminal are reached to the control of the closure of relay, disconnection
It is controlled in series and parallel.
The A/D module that single-chip minimum system 4 is carried by itself exports sample circuit 3 to series connection and the electric current of two motors
The low-voltage DC of output is sampled, and analyze and determine by relevant software program the working condition of motor.Work as motor
Under light condition (low-current case), single-chip minimum system 4 makes motor be in series-like by circuit for controlling motor 5
State.When motor is under heavy condition (high current situation), single-chip minimum system 4 is made at motor by circuit for controlling motor 5
In parallel connection.When the series connection of two motors, the voltage that each motor is assigned to is small, drops the power of motor, while voltage reduction makes
The own loss of motor reduce and do use to playing energy conservation.When two motor parallels, electric moter voltage is increased, to improve electricity
The output power of machine is to ensure that the normal work of motor.So the adjustment motor in due course by the working condition of monitoring motor
Series-parallel system so that the electrical machine energy-saving is lowered consumption.
The utility model it is a kind of for improving the combination relay of motor operation efficiency, be use by combined type after
Electric appliance is connected between two motors or two ends power input L and two power input N-terminals of two windings；And it combines
Formula relay has electric current output sample circuit 3 to be used to acquire the operating current of two motors or two windings, has motor
Control circuit 5 to be used to control the serial or parallel connection between two motors or two windings there is single-chip minimum system 4 to connect
It is exported between sample circuit 3 and circuit for controlling motor 5 in electric current, sample circuit 3 is exported to electric current using single-chip minimum system 4
The current value being defeated by is judged with preset threshold value, when the current value is greater than preset threshold value, to circuit for controlling motor 5
First control signal is exported, makes two motors or two around composition parallel connection, otherwise, to the output of circuit for controlling motor 5 second
Signal is controlled, makes two motors or two windings at series connection.The utility model passes through to bi-motor or doublewound work
The detection of electric current, to control the serial or parallel connection of two motors or two windings and then to change power of motor and reduce motor
Loss power, to reach energy-efficient purpose.
The preferred embodiment of above-mentioned only the utility model, does not impose any limitation on the present invention.Though
So the utility model has been disclosed with preferred embodiment as above, however is not intended to limit the utility model.It is any to be familiar with this field
Technical staff, in the case where not departing from technical solutions of the utility model range, all using the technology contents of the disclosure above
Many possible changes and modifications are made to technical solutions of the utility model, or are revised as equivalents equivalent embodiment.Therefore,
All contents without departing from technical solutions of the utility model, according to the utility model technical spirit made to the above embodiment
What simple modification, equivalent variation and modification should all be fallen in the range of technical solutions of the utility model protection.
Claims (5)
1. a kind of for improving the combination relay of motor operation efficiency, it is characterised in that: the combination relay is connected to
Between two motors or two ends power input L and two power input N-terminals of two windings；Combination relay tool
There is electric current output sample circuit to be used to acquire the operating current of two motors or two windings；The combination relay has electricity
Machine control circuit is to be used to control the serial or parallel connection between two motors or two windings；The combination relay also has list
Piece machine minimum system, single-chip minimum system are connected between electric current output sample circuit and circuit for controlling motor, and single-chip microcontroller is most
The current value that mini system is defeated by electric current output sample circuit judges with preset threshold value, when the current value is greater than preset
Threshold value when, single-chip minimum system exports first control signal to circuit for controlling motor, makes two motors or two around composition
Parallel connection, otherwise, single-chip minimum system export second control signal to circuit for controlling motor, make two motors or two around
Form series connection.
2. according to claim 1 for improving the combination relay of motor operation efficiency, it is characterised in that: described group
Close type relay further includes power circuit and voltage regulator circuit, and the input of power circuit is connected to external alterating and direct current, and power circuit will
External alternating current-direct current high-low voltage conversion low-voltage direct output, the output of power circuit is respectively to voltage regulator circuit, circuit for controlling motor
Power supply；The voltage regulator circuit converts input voltage into burning voltage output, and the output of voltage regulator circuit is respectively to the single-chip microcontroller
Minimum system, electric current output sample circuit power supply.
3. according to claim 2 for improving the combination relay of motor operation efficiency, it is characterised in that: the electricity
Source circuit and voltage regulator circuit are combined into power supply stabilization circuit, and the output of power supply stabilization circuit is respectively to single-chip minimum system, electricity
Stream output sample circuit, circuit for controlling motor power supply.
4. according to claim 1 for improving the combination relay of motor operation efficiency, it is characterised in that: the electricity
Machine control circuit includes two relays or thyristor, and two relays or thyristor are connect respectively in two motors or two windings
Two ends power input L and two power input N-terminals between.
5. according to claim 4 for improving the combination relay of motor operation efficiency, it is characterised in that: the electricity
Machine control circuit includes the first relay and the second relay, and the dynamic spring of the first relay draws the electricity with first motor or winding
The source input end L is connected, and the normally closed quiet spring extraction of the first relay is connected with the end power input L of the second motor or winding,
The normally opened quiet spring extraction that the normally opened quiet spring of first relay draws with the second relay is connected, and the dynamic spring of the second relay is drawn
It is connected with the power input N-terminal of the second motor or winding, the normally closed quiet spring of the second relay is drawn and first motor or winding
Power input N-terminal be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720398.XU CN208209845U (en) | 2018-05-15 | 2018-05-15 | It is a kind of for improving the combination relay of motor operation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720398.XU CN208209845U (en) | 2018-05-15 | 2018-05-15 | It is a kind of for improving the combination relay of motor operation efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208209845U true CN208209845U (en) | 2018-12-07 |
Family
ID=64519983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820720398.XU Active CN208209845U (en) | 2018-05-15 | 2018-05-15 | It is a kind of for improving the combination relay of motor operation efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208209845U (en) |
-
2018
- 2018-05-15 CN CN201820720398.XU patent/CN208209845U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201550318U (en) | Digitized high-performance LED drive power supply | |
| CN201663548U (en) | High-power intelligent high-frequency switch power supply based on DSP (Digital Signal Processing) technology | |
| CN208226892U (en) | A kind of small-sized variable-frequency electric power voltage-stabilizer | |
| CN104539197A (en) | Soft start and voltage reduction power saving comprehensive control device and method for asynchronous motor | |
| CN208209845U (en) | It is a kind of for improving the combination relay of motor operation efficiency | |
| CN204044232U (en) | A kind of high voltage display device by monitoring leakage current of an arrester | |
| CN211267174U (en) | Subway LED lamp driving power supply with power factor correction function | |
| CN202651766U (en) | Single-phase motor protective device | |
| CN205017224U (en) | Power circuit of PFC flyback LED power supply for converting alternating current into direct current | |
| CN109301819B (en) | Low penetration and flexible interface control method for high-power sensitive impact load | |
| CN104054244A (en) | Power saving apparatus having function of improving power quality and power saving method thereof | |
| CN203794538U (en) | Control device of elevator brake | |
| CN203481901U (en) | Zero-load low-loss battery charging circuit | |
| CN106933290B (en) | The intelligent high-precision voltage stabilizing device of adaptive wide dynamic power | |
| CN207021893U (en) | One kind matches somebody with somebody the low apparent power digital circuit of network source | |
| CN206060580U (en) | The distributed frame of high voltagehigh frequency static dust-removing power inverter circuit | |
| CN105576988B (en) | A kind of coupling energy taking power supply adapting to the work of wide dynamic range bus current | |
| CN105810506B (en) | Low voltage electromagnetic switch energy cyclic control system | |
| CN102820655A (en) | Control method of voltage support and fault current limit compatible power electronic system | |
| CN202663612U (en) | Range-free illuminating energy-saving device | |
| CN204886776U (en) | Asynchronous motor underloading energy -saving control system | |
| CN202617006U (en) | Green energy-saving novel AC-DC switch power supply | |
| CN203967753U (en) | A kind of zero-compensation passive filtration unit | |
| CN102711334A (en) | Lighting energy-saving device without stage difference | |
| CN204334411U (en) | A kind of electrical machine energy-saving control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |