CN206246330U - A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency - Google Patents
A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency Download PDFInfo
- Publication number
- CN206246330U CN206246330U CN201621261213.0U CN201621261213U CN206246330U CN 206246330 U CN206246330 U CN 206246330U CN 201621261213 U CN201621261213 U CN 201621261213U CN 206246330 U CN206246330 U CN 206246330U
- Authority
- CN
- China
- Prior art keywords
- compressor
- control
- reactor
- module
- fixed frequency
- 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
- Air Conditioning Control Device (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The utility model provides a kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency, in compressor operating, Access Control unit in control module controls filtration module after compressor start is in parallel with the reactor in filtration module, control reactor is accessed in compressor current supply circuit, harmonic wave to being produced after compressor start is filtered, avoid and the operating voltage reduction that compressor current supply circuit causes to load on compressor due to reactor generation partial pressure is accessed in compressor start, cause the abnormal problem of compressor start, improve the reliability of compressor Control Cprant.
Description
Technical field
The utility model is related to field of air conditioner control, more particularly to a kind of fixed frequency air conditioner compressor Control Cprant and determines frequency
Air-conditioner.
Background technology
Air-conditioner with fixed frequency is operated under the severe operating mode of comparing, and such as ambient environment temperature regional requirements refrigerating capacity high meets
It is required that, now need the compressor horsepower of matching with respect to wanting big under other nominal situations, compressor continuous firing is in high current shape
Harmonic wave can be produced to disturb under state, in order to pass through IEC EMC harmonic current standards, some are determined in the area strict to some EMC requirements
Frequency air-conditioning needs the reactor circuit for increasing certain inductance value to be filtered with to harmonic wave, is tested by harmonic current, but because increasing
The inductance value for having added reactor to exist can cause partial pressure in the case of the high current of compressor start, when causing compressor start
Supply voltage is not enough, influences the startability of air-conditioner.
The above is only used for auxiliary and understands the technical solution of the utility model, does not represent and recognizes that the above is existing
Technology.
Utility model content
Main purpose of the present utility model is to provide a kind of fixed frequency air conditioner compressor Control Cprant, it is therefore intended that solve by
Harmonic wave is produced to produce interference that electricity is accessed in compressor current supply circuit in circuit when in the prior art to solve compressor operating
Anti- device is filtered, but in compressor start because the partial pressure of reactor can cause the abnormal problem of compressor start.
To achieve the above object, a kind of fixed frequency air conditioner compressor Control Cprant that the utility model is provided,
A kind of fixed frequency air conditioner compressor Control Cprant, including it is series at the driven compressor mould in compressor current supply circuit
Compression is thought in block, the control module being connected with driven compressor module, the control module control driven compressor module conducting
Machine work provides AC power, it is characterised in that the fixed frequency air conditioner compressor Control Cprant also includes filtration module, the filter
Ripple module includes reactor and Access Control unit；
The two ends of the reactor are series in the compressor current supply circuit；
The Access Control unit is in parallel with the reactor, controls the reactor to be accessed in compressor normal work
Compressor current supply circuit, is filtered with to the harmonic wave produced after compressor start.
Preferably, the Access Control unit includes driver element and switch element；
The switch element is in parallel with the two ends of reactor；
The driver element is connected with control module, is switched with the on off state for driving the switch element being attached thereto；
The control module is after the compressor start by controlling driver element to control switch unit so that
The reactor is accessed in compressor current supply circuit.
Preferably, described reactor is band tap reactor, and the Access Control unit includes driver element and switch
Unit；
Described switch element one end is connected with the tap terminals of reactor, the other end of the switch element and the reactor
One end connection of winding, and one section in parallel with switch element in the reactor of electricity of the inductance value more than the remaining section of reactor
Sensibility reciprocal；
The driver element is connected with control module, is switched with the on off state for driving the switch element being attached thereto；
The control module is after the compressor start by controlling driver element to control switch unit so that
In reactor access compressor current supply circuit.
Preferably, the control module first controlling switch unit closure in the compressor start so that opened with described
Close unit reactor winding in parallel and short circuit is formed in compressor current supply circuit, then control module control driven compressor mould
Block is turned on and causes compressor start.
Preferably, the driver element includes the first triode and first resistor, and the switch element includes the first relay
Device, the contact two ends of first relay are connected in parallel on reactor two ends, driving coil one end connection direct current of the relay
Positive source, other end connects the colelctor electrode of the first triode, the grounded emitter of first triode, the described 1st
Base stage connection first resistor one end of pole pipe, the other end of the first resistor is connected with control module.
Preferably, the driver element includes the first triode and first resistor, and the switch element includes the first relay
Device, the contact two ends of first relay are connected in parallel on the tap of reactor and one end of reactor winding, the relay
Driving coil one end connects DC power anode, and other end connects the colelctor electrode of the first triode, first triode
Grounded emitter, base stage connection first resistor one end of first triode, other end and the control of the first resistor
Module is connected.
Preferably, the fixed frequency air conditioner compressor Control Cprant also includes the temperature detecting module being connected with control module,
The temperature detecting module detects the evaporator tube temperature of air-conditioner, and the control module passes through temperature detecting module collect and process
Evaporator tube temperature value before machine starts and after startup, after the compressor start, the evaporator after compressor start
When the absolute value of the difference of the evaporator temperature values before temperature value and compressor start exceedes preset value, the control module passes through
Driver element is controlled to control switch unit.
Preferably, the fixed frequency air conditioner compressor Control Cprant also includes the current detection module being connected with control module,
Current value during the current detection module detection compressor operating, after the compressor start, when the current value exceedes
During preset value, the control module is by controlling driver element to control switch unit.
Preferably, the fixed frequency air conditioner compressor Control Cprant also includes the voltage detection module being connected with control module,
The voltage detection module detects the AC-input voltage value of compressor current supply circuit, in the compressor start, when described
When AC-input voltage value is less than preset value, the control module is closed by controlling driver element with controlling switch unit；When
When the AC-input voltage value is higher than preset value, the control module is by controlling driver element disconnected with controlling switch unit
Open.
Above-mentioned purpose is realized, the utility model also provides a kind of air-conditioner with fixed frequency, including above-mentioned fixed frequency air conditioner compressor control
Circuit processed.
The compressor Control Cprant that the utility model is provided, filtration module is controlled by control module after compressor start
In Access Control unit it is in parallel with the reactor in filtration module, control reactor access compressor current supply circuit in, to pressure
The harmonic wave that contracting machine is produced after starting is filtered, it is to avoid compressor current supply circuit is accessed in compressor start due to reactor
Producing partial pressure causes to load the operating voltage reduction on compressor, causes the abnormal problem of compressor start, improves compressor
Control the reliability of circuit.
Brief description of the drawings
The fixed frequency air conditioner compressor Control Cprant structure and physical circuit that Fig. 1 is provided for the utility model embodiment are illustrated
Figure；
Another fixed frequency air conditioner compressor Control Cprant structure and physical circuit that Fig. 2 is provided for the utility model embodiment are shown
It is intended to；
Another fixed frequency air conditioner compressor Control Cprant structure and physical circuit that Fig. 3 is provided for the utility model embodiment are shown
It is intended to；
Another fixed frequency air conditioner compressor Control Cprant structure and physical circuit that Fig. 4 is provided for the utility model embodiment are shown
It is intended to.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
The cooler compressor for describing to be proposed according to the utility model embodiment with reference to the accompanying drawings controls circuit.
The fixed frequency air conditioner compressor control that utility model utility model utility model utility model Fig. 1 is provided for the utility model
Electrical block diagram processed, for convenience of description, illustrate only part related to the present embodiment, as shown in the figure：
A kind of fixed frequency air conditioner compressor Control Cprant that the utility model first embodiment is provided, including it is series at compressor
Driven compressor module 20 in current supply circuit, the control module 10 being connected with driven compressor module, control module 10 is controlled
Driven compressor module 20 is turned on, and AC power is provided with for compressor operating, and this fixed frequency air conditioner compressor Control Cprant is also wrapped
Filtration module 30 is included, filtration module 30 includes reactor L1 and Access Control unit 301, as illustrated in the drawing reactor L1, electricity
The two ends of anti-device L1 are series in the compressor current supply circuit, and Access Control unit 301 is in parallel with reactor L1, control reactance
Device L1 accesses compressor current supply circuit in compressor normal work, is filtered with to the harmonic wave produced after compressor start.
Because the operating current of compressor is very big, particularly to powerful fixed speed air conditioner, evil is compared when it is operated in
Under bad work condition environment, such as hot environment and require that refrigerating capacity is high, on startup compressor current can than work when it is bigger,
And accessed to improve the harmonic wave produced during compressor operating the reactor L1 in compressor current supply circuit on startup due to
The high current of compressor understands the more partial pressure of producing ratio, and the voltage for so causing to load on the compressor can opposed power voltage drop
It is low to cause the compressor normally to start.The compressor Control Cprant that embodiment of the present utility model is provided, in compressor work
When making, Access Control unit 301 and filtration module in control module 10 controls filtration module 30 after compressor start
Reactor L1 in 30 is in parallel, and control reactor L1 is accessed in compressor current supply circuit, to the harmonic wave produced after compressor start
It is filtered, it is to avoid compressor current supply circuit is accessed in compressor start causes loading to be compressed because reactor produces partial pressure
Operating voltage reduction on machine, causes the abnormal problem of compressor start, improves the reliability of compressor Control Cprant.
Further, the second embodiment of the utility model fixed frequency air conditioner compressor Control Cprant is proposed.In the embodiment,
Reactor L1 is the reactor without tap.As shown in figure 1, the Access Control unit 301 also includes the He of switch element 3011
Driver element 3012, switch element 3011 is in parallel with reactor L1, and driver element 3012 is connected with control module 10, with drive with
Connection switch element 3011 on off state switching, control after compressor start by controlling driver element 3012 to control
Switch element processed 3011 is disconnected so that reactor L1 is accessed in compressor current supply circuit.
The fixed frequency air conditioner compressor Control Cprant of Fig. 1 is referred again to, the structure of its circuit is as follows：Driver element 3011 includes the
One triode Q2 and first resistor R2, switch element includes that the contact two ends of the first relay RY1, the first relay RY1 are in parallel
At reactor L1 two ends, driving coil one end connection dc source VDD1 positive poles of relay RY1, other end connection the one or three
The colelctor electrode of pole pipe Q2, the grounded emitter of the first triode Q2, base stage connection first resistor R2 one end of the first triode Q2,
The other end of first resistor R2 is connected with the COMP_start pins that control module 10 is MCU.Driven compressor module 20 is wrapped
Include the second relay RY2, the second triode Q1, the switch ends of second resistance R1, the second relay RY2 and be series at compressor confession
In electrical circuit, the colelctor electrode of the second triode Q1 is connected with the coil-end of the second relay RY2, base stage and second resistance R1 one end
Connection, the second resistance R1 other ends are connected with the COMP pins of control module 10MCU.When the compressor start of air-conditioner with fixed frequency
When, the COMP_start pins output high level of MCU, control the first triode Q2 base stages conducting, and then control the first relay
The coil of RY1 is connected with dc source VDD1, the switch closure of the first relay RY1 so that reactor L1 powers in compressor
Short circuit is formed in loop, i.e., now reactor L1 breaks from compressor current supply circuit, then the COMP pins output electricity high of MCU
Flat, the base stage of the second triode Q1 is turned on, and then controls the switch closure of the second relay RY2, now compressor current supply circuit
Conducting, the AC power of input is powered to compressor, and compressor starts start, because reactor L1 does not have in compressor start
Be linked into compressor current supply circuit, thus the inductance value that will not exist due to it and produce partial pressure so that compressor is starting
When supply voltage reduction, to influence the startup ability of compressor.After compressor start, can be with time delay such as 30 seconds to 3 minutes
The scope time, specifically can with value such as 1 minute, machine to be compressed start it is normal after, the COMP_start output low levels of MCU, control
The disconnection of the first triode Q2 base stages is made, and then controls switching off for the first relay RY1 so that reactor L1 is linked into compression
In machine current supply circuit, the harmonic current that compressor is produced in the course of the work is filtered, to eliminate its harmonic wave to compressor
The interference that current supply circuit and the extraneous power supply end of input are produced, improves EMC (Electro Magnetic Compatibility) index, it is to avoid in compression
Compressor current supply circuit is accessed when machine starts causes to load the operating voltage reduction on compressor because reactor produces partial pressure, draws
The abnormal problem of compressor start is played, the reliability of compressor Control Cprant is improved.
Further, the 3rd embodiment of the utility model fixed frequency air conditioner compressor Control Cprant is proposed.In the embodiment,
Reactor is the reactor with tap, as shown in Fig. 2 reactor L1 has three joints, in addition to the joint at winding two ends also
There is the tap of centre.Switch element 3011 is that one end of the switch of the first relay RY1 is connected with the tap terminals of reactor L1, is opened
The other end of pass is connected with one end of reactor winding, with this section of the first relay RY1 switch in parallel in reactor L1
More than the inductance value of reactor residue section, i.e., the inductance value of reactor L1 taps to the right-hand member of its winding this section is big in figure for inductance value
In the inductance value of tap to its winding left end.In compressor start, MCU controls the first relay by the first triode Q2
The switch connection of RY1, then reactor L1 form short in compressor current supply circuit with the first one section of relay RY1 switch in parallel
This section breaks from compressor current supply circuit to the right-hand member of its winding for road, i.e. reactor L1 taps, the left end of its tap to winding
This section accesses compressor current supply circuit, due to the inductance value of the left end of reactor L1 taps to its winding this section be less than tap and its
The inductance value at winding right-hand member end, therefore it is smaller to access the partial pressure that is produced in compressor start of this sections of reactor L1 of compressor,
Compressor start performance is not interfered with, while certain filtering work can also be played to the harmonic wave produced during compressor start
With MCU controls the switch of the second relay RY2 to close by the second triode Q1 so that compressor current supply circuit is to compressor
Power supply, compressor start, after compressor start, can with such as 30 seconds to the 3 minutes scope time one default short time of time delay,
Specifically can with value 1 minute, machine to be compressed start it is normal after, MCU controls opening for the first relay RY1 by the first triode Q2
Shut-off is opened so that whole section of the winding of reactor L1 is linked into compressor current supply circuit, and compressor is produced in the course of the work
Harmonic current be filtered, it is dry with eliminate that its harmonic wave produces to compressor current supply circuit and the extraneous power supply end of input
Disturb, improve EMC (Electro Magnetic Compatibility) index, and reliability when improving compressor operating.With respect to embodiment 2, the present embodiment leads to
Cross using the reactor L1 with tap so that the harmonic wave that can be also produced to compressor in compressor start provides filter action,
Compressor start ability is not influenceed simultaneously, EMC indexs are further improved, and improves the reliability of compressor Control Cprant.
Further, the fourth embodiment of the utility model fixed frequency air conditioner compressor Control Cprant is proposed.As shown in figure 3,
The fixed frequency air conditioner compressor Control Cprant that the present embodiment is provided also includes the temperature detecting module 50 being connected with controller module 10,
Temperature detecting module 50 is used for the temperature of the evaporator tube for detecting air-conditioner, and control module 10 is gathered by temperature detecting module 50
Evaporator tube temperature value before compressor start and after startup, after compressor start, evaporator temperature after compressor start
When the absolute value of the evaporator temperature values difference before value and compressor start exceedes preset value, control module 10 is driven by controlling
Unit is controlling switch unit.Temperature detecting module 50 is detected by the sensor based on temperature sensor R19 such as in figure
Electric circuit inspection evaporator tube temperature, MCU obtains the temperature value of evaporator tube by temperature detecting module 50, in compressor start
MCU is closed by the switch of triode Q2 control relays RY1 so that reactor L1 breaks from compressor current supply circuit, connects
MCU to be closed by the switch of triode Q1 control relays RY2, compressor must establish beginning startup by cable, now MCU is simultaneously by temperature
Degree detection module 50 obtains air-conditioner evaporator pipe initial temperature value, MCU during such as 1 minute one short time of time delay timing,
MCU obtains air-conditioner evaporator pipe temperature value by temperature detecting module 50 simultaneously, by taking air-conditioner operation refrigeration mode as an example, with
The refrigerating operaton of air-conditioner after compressor start, evaporator tube temperature value can be gradually reduced, can be by experimental monitoring and pressure
When initial temperature value when contracting machine starts exceedes preset value compared to the temperature value for declining, judge that air-conditioner refrigeration is normally transported
OK, compressor start is normal, can such as set this preset value as 10 DEG C, after MCU time delays timing 1 minute, and is checking steaming
When sending out absolute value of the device pipe temperature value with respect to the difference of initial temperature value more than 10 DEG C, MCU passes through triode Q2 control relays
RY1's switches off, now reactor L1 access compressor current supply circuit in, to compressor upon actuation normal work when produce
Harmonic wave be filtered.When air-conditioner runs heating mode, because evaporator temperature can be raised, evaporator is similarly may determine that
The absolute value of the difference of the temperature value when temperature value of Guan Wen is with respect to compressor start just judges that compressor is normal more than preset value
Start, now MCU controls reactor accesses the harmonic wave produced during with to compressor operating and is filtered.
The fixed frequency air conditioner compressor Control Cprant that the utility model embodiment is provided, by increasing temperature detecting module,
During compressor start, controller obtains air-conditioner evaporator pipe temperature value initial value by temperature detecting module, controls driver element
With controlling switch unit closure to control reactor to be disconnected from compressor current supply circuit, air-conditioning is detected after the completion of compressor start
Device evaporator tube temperature value simultaneously compares and differs size between initial value, when differing size and exceeding preset value, is judged as compression
Machine normally starts, and now control module control driver element controls reactor to access compression to control switch unit
Machine current supply circuit, the harmonic wave produced during to compressor operating is filtered, and can be further ensured that normally just connect in compressor start
Enter reactor, further increase the reliability of compressor Control Cprant.
Further, the 5th embodiment of the utility model fixed frequency air conditioner compressor Control Cprant is proposed.With continued reference to figure
3, the fixed frequency air conditioner compressor Control Cprant that the present embodiment is provided also includes the current detection module being connected with controller module 10
60, the current value during detection compressor operating of current detection module 60 after the compressor start, is preset when current value exceedes
During value, control module 10 is by controlling driver element to control switch unit.Current detection module 60 is with electric current such as in figure
Current detection circuit based on transformer CT1 detects the operating current of compressor, and MCU obtains compression by current detection module 60
The working current value of machine, with described in example IV, after compressor start, MCU is in delay technique one for control during compressor start
The individual short time, compressor obtained the working current value of compressor by current detection module 60 simultaneously as during 1 minute, if
When air-conditioner is working properly, more than some definite value, this value can be according to air-conditioner institute for the operating current meeting temperature of compressor
Selected different types of compressor is determined by experiment, such as the compressor matched with the air-conditioner with fixed frequency of 2, its work electricity
Stream is more than more than 8A in working stability, after MCU time delays timing 1 minute, and the work electricity after MCU obtains compressor start
When flow valuve is more than more than 8A, MCU is switched off by triode Q2 control relays RY1's, and now reactor L1 accesses compression
In machine current supply circuit, to compressor upon actuation normal work when the harmonic wave that produces be filtered.
The fixed frequency air conditioner compressor Control Cprant provided by the utility model embodiment, by increasing current detection module
Current value during detection compressor operating, in compressor start, control module control driver element is closed with controlling switch unit
Close to control reactor to be disconnected from compressor current supply circuit, judge that the current value of compressor exceedes preset value after compressor start
When, it is judged as that compressor normally starts, now control module control driver element is controlled with controlling switch unit
Reactor accesses compressor current supply circuit, and the harmonic wave produced during with to compressor operating is filtered, and can be further ensured that in pressure
The startup of contracting machine normally just accesses reactor, further increases the reliability of compressor Control Cprant.
Further, the sixth embodiment of the utility model fixed frequency air conditioner compressor Control Cprant is proposed.With continued reference to figure
3, the fixed frequency air conditioner compressor Control Cprant that the present embodiment is provided also includes the voltage detection module 70 being connected with control module, electricity
Pressure detection module 70 detects the AC-input voltage value of compressor current supply circuit, in compressor start, works as AC-input voltage
When value is less than preset value, control module 10 is closed by controlling driver element with controlling switch unit；When AC-input voltage value
During higher than preset value, control module 10 is by controlling driver element to control switch unit.Such as voltage detection module in figure
The voltage of the 70 voltage detecting circuit detection compressor current supply circuit and compressor operating based on voltage detecting transformer CT2,
MCU obtains the operational voltage value of compressor by voltage detection module 70, electric current during due to compressor start than larger, if
Accessing reactor L1 on startup produces partial pressure to cause that the supply voltage of compressor is reduced, if being reduced to the standard work of compressor
Make when below magnitude of voltage, the startup ability of compressor can be influenceed, therefore the work of compressor is detected by voltage detection module 70
Magnitude of voltage, if by experiment it was determined that when magnitude of voltage is less than some preset value, can cause what the access of reactor brought
Partial pressure influences the startup ability of compressor, if above this preset value, reactor can be allowed to access to realize in compressor start
When the harmonic wave that is produced to it can also be filtered.The compressor for some model such as can be determined by experiment, in work
When alternating voltage virtual value is less than below 200V, if accessing reactor, its partial pressure for producing can cause loading on the compressor
Voltage makes it normally to start, therefore can not now access reactor, thus MCU is closed by control relay RY1 at this moment
Close so that reactor L1 breaks from compressor current supply circuit, it is to avoid the compressor brought because accessing compressor current supply circuit is opened
Dynamic problem.
The fixed frequency air conditioner compressor Control Cprant provided by the utility model embodiment, by increasing voltage detection module
Magnitude of voltage during detection compressor operating, in compressor start, during by judging that its magnitude of voltage is less than preset value, control module
Control driver element is closed with controlling switch unit to control reactor to be disconnected from compressor current supply circuit, default in voltage high pressure
During value, control module controls driver element and controls reactor to access compressor current supply circuit to control switch unit, and protects
Demonstrate,proved compression function normally start in the case of when it starts and start after all to access reactor to compressor on startup
It is filtered, only access reactor after compressor start when voltage is low is filtered to compressor, with respect to embodiment one, energy
Further increase the reliability of compressor Control Cprant.
In above-mentioned fourth embodiment to sixth embodiment, reactor L1 can also use the reactor with tap, such as Fig. 4 institutes
The circuit for showing, its control rule is identical with above embodiment.What deserves to be explained is using in the reactor application with tap
When stating in the circuit of circuit embodiments, when MCU control relays RY1 is closed, the tap of reactor to this section of the left end of winding
Compressor current supply circuit is accessed, because the inductance value of this section is smaller, big partial pressure will not be produced to influence the startup energy of compressor
Power, the inductance of this section is that the harmonic wave that compressor is produced on startup is filtered, after MCU control relays RY1 disconnects, electricity
Whole section of the winding of anti-device L1 is linked into compressor current supply circuit, and the harmonic wave produced during to compressor operating is filtered.
The utility model says the fixed frequency air conditioner compressor Control Cprant for providing, it is also possible to while in sampling embodiment four to six
Temperature detecting module 50, current detection module 60, voltage detection module 70 in two kinds or three kinds, preferably to improve true
Protect compressor reactor L1 after reliably starting just to access, there is provided the functional reliability of compressor Control Cprant.
The utility model also provides a kind of air-conditioner with fixed frequency.
In the present embodiment, described air-conditioner is except comprising all parts and control circuit mentioned in the prior art
Outward, also including above-mentioned fixed frequency air conditioner compressor Control Cprant, for controlling cooler compressor to work.The present embodiment to determine frequency empty
The compressor Control Cprant of device is adjusted, in compressor operating, in control module controls filtration module after compressor start
Access Control unit it is in parallel with the reactor in filtration module, control reactor access compressor current supply circuit in, to compression
The harmonic wave that machine is produced after starting is filtered, it is to avoid compressor current supply circuit is accessed in compressor start because reactor is produced
Pressure estranged causes to load the operating voltage reduction on compressor, causes the abnormal problem of compressor start, improves compressor control
The reliability of circuit processed.
Preferred embodiment of the present utility model is these are only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of fixed frequency air conditioner compressor Control Cprant, including the driven compressor module in compressor current supply circuit is series at,
The control module being connected with driven compressor module, the control module control driven compressor module conducting, thinks compressor
Work provides AC power, it is characterised in that the fixed frequency air conditioner compressor Control Cprant also includes filtration module, the filtering
Module includes reactor and Access Control unit；
The two ends of the reactor are series in the compressor current supply circuit；
The Access Control unit is in parallel with the reactor, controls the reactor that compression is accessed in compressor normal work
Machine current supply circuit, is filtered with to the harmonic wave produced after compressor start.
2. fixed frequency air conditioner compressor Control Cprant as claimed in claim 1, it is characterised in that the Access Control unit includes
Driver element and switch element；
The switch element is in parallel with the two ends of reactor；
The driver element is connected with control module, is switched with the on off state for driving the switch element being attached thereto；
The control module is after the compressor start by controlling driver element to control switch unit so that described
Reactor is accessed in compressor current supply circuit.
3. fixed frequency air conditioner compressor Control Cprant as claimed in claim 1, it is characterised in that described reactor is band tap
Reactor, the Access Control unit includes driver element and switch element；
Described switch element one end is connected with the tap terminals of reactor, the other end of the switch element and the reactor winding
One end connection, and one section in parallel with switch element in the reactor of inductance of the inductance value more than the remaining section of reactor
Amount；
The driver element is connected with control module, is switched with the on off state for driving the switch element being attached thereto；
The control module is after the compressor start by controlling driver element to control switch unit so that with institute
State reactor access compressor current supply circuit in.
4. fixed frequency air conditioner compressor Control Cprant as claimed in claim 2 or claim 3, it is characterised in that the control module is in institute
State first controlling switch unit closure during compressor start so that the reactor winding in parallel with the switch element is supplied in compressor
Short circuit is formed in electrical circuit, then control module control driven compressor module is turned on and causes compressor start.
5. fixed frequency air conditioner compressor Control Cprant as claimed in claim 2, it is characterised in that the driver element includes first
Triode and first resistor, the switch element include the first relay, and the contact two ends of first relay are connected in parallel on electricity
Anti- device two ends, driving coil one end connection DC power anode of the relay, other end connects the collection of the first triode
Electrode, the grounded emitter of first triode, base stage connection first resistor one end of first triode, described first
The other end of resistance is connected with control module.
6. fixed frequency air conditioner compressor Control Cprant as claimed in claim 3, it is characterised in that the driver element includes first
Triode and first resistor, the switch element include the first relay, and the contact two ends of first relay are connected in parallel on electricity
The tap of anti-device and one end of reactor winding, driving coil one end connection DC power anode of the relay, in addition one
The colelctor electrode of the first triode of end connection, the grounded emitter of first triode, the base stage connection of first triode
First resistor one end, the other end of the first resistor is connected with control module.
7. fixed frequency air conditioner compressor Control Cprant as claimed in claim 2 or claim 3, it is characterised in that the fixed frequency air conditioner compression
Machine control circuit also includes the temperature detecting module being connected with control module, and the temperature detecting module detects the evaporation of air-conditioner
Device pipe temperature, the control module is by the evaporator tube temperature before temperature detecting module collect and process machine starts and after startup
Value, after the compressor start, the evaporator temperature before evaporator temperature values and compressor start after the compressor start
When the absolute value of the difference of angle value exceedes preset value, the control module is by controlling driver element disconnected with controlling switch unit
Open.
8. fixed frequency air conditioner compressor Control Cprant as claimed in claim 2 or claim 3, it is characterised in that the fixed frequency air conditioner compression
Machine control circuit also includes the current detection module being connected with control module, during the current detection module detection compressor operating
Current value, after the compressor start, when the current value exceed preset value when, the control module by control drive
Unit is controlling switch unit.
9. fixed frequency air conditioner compressor Control Cprant as claimed in claim 2 or claim 3, it is characterised in that the fixed frequency air conditioner compression
Machine control circuit also includes the voltage detection module being connected with control module, and the voltage detection module detection compressor is powered back
The AC-input voltage value on road, in the compressor start, when the AC-input voltage value is less than preset value, the control
Molding block is closed by controlling driver element with controlling switch unit；When the AC-input voltage value is higher than preset value, institute
Control module is stated by controlling driver element to control switch unit.
10. a kind of air-conditioner with fixed frequency, it is characterised in that including the fixed frequency air conditioner compressor control as described in claim 1 to 9 is any
Circuit processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261213.0U CN206246330U (en) | 2016-11-10 | 2016-11-10 | A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261213.0U CN206246330U (en) | 2016-11-10 | 2016-11-10 | A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246330U true CN206246330U (en) | 2017-06-13 |
Family
ID=59002027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621261213.0U Active CN206246330U (en) | 2016-11-10 | 2016-11-10 | A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438315A (en) * | 2016-11-10 | 2017-02-22 | 广东美的制冷设备有限公司 | Compressor control circuit of fixed-frequency air conditioner and fixed-frequency air conditioner |
-
2016
- 2016-11-10 CN CN201621261213.0U patent/CN206246330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438315A (en) * | 2016-11-10 | 2017-02-22 | 广东美的制冷设备有限公司 | Compressor control circuit of fixed-frequency air conditioner and fixed-frequency air conditioner |
| CN106438315B (en) * | 2016-11-10 | 2018-08-14 | 广东美的制冷设备有限公司 | A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107666266A (en) | Transducer air conditioning control method, control device and storage medium | |
| CN100376853C (en) | Compressor unit and refrigerator using the unit | |
| CN112483359B (en) | Compressor starting device and method and variable-frequency air conditioner system | |
| CN104134983B (en) | Overvoltage protection, over-voltage protection method and air-conditioner for air-conditioner | |
| CN1455193A (en) | Digital direct-current variable frequency air conditioner controller | |
| CN105353796A (en) | Refrigeration equipment and heating control circuit and heating control method of compressor thereof | |
| CN107959458A (en) | Dc bus low capacity capacitance frequency conversion control circuit and frequency conversion equipment | |
| EP3033830A2 (en) | Method and apparatus to control a single-phase induction motor | |
| KR20180109716A (en) | Motor-driven compressor for a vehicle | |
| CN206246330U (en) | A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency | |
| CN106438315B (en) | A kind of fixed frequency air conditioner compressor Control Cprant and air-conditioner with fixed frequency | |
| CN108847803B (en) | Variable frequency control circuit, variable frequency air conditioner control circuit and variable frequency air conditioner | |
| CN108462424A (en) | Machine winding connection control circuit, frequency-variable air-conditioner and control method | |
| CN109579388A (en) | Compressor SS (soft start) control circuit, method and air conditioner | |
| CN103441709A (en) | Start control system of compressor and refrigeration equipment with same | |
| CN206246328U (en) | A kind of compressor of air conditioner controls circuit and air-conditioner | |
| CN106438317B (en) | A kind of compressor of air conditioner control circuit, compressor of air conditioner control method and air conditioner | |
| WO2015018275A1 (en) | Inverter air conditioner | |
| CN212563583U (en) | Compressor starting device and variable-frequency air conditioning system | |
| CN103872854B (en) | Asynchronous motor voltage transforming circuit | |
| CN202503466U (en) | Compressor starting circuit and air conditioner | |
| CN105571044A (en) | Control method for variable frequency air conditioner | |
| CN105656319A (en) | Inverter controller based on measurement and control of power factors of output circuit | |
| CN205333831U (en) | Experimental loading system of welding source | |
| CN110530084B (en) | Control method and device of electronic expansion valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |