CN208282283U - Air-conditioning, air-conditioner control system and outdoor unit switching circuit - Google Patents
Air-conditioning, air-conditioner control system and outdoor unit switching circuit Download PDFInfo
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- CN208282283U CN208282283U CN201820860454.XU CN201820860454U CN208282283U CN 208282283 U CN208282283 U CN 208282283U CN 201820860454 U CN201820860454 U CN 201820860454U CN 208282283 U CN208282283 U CN 208282283U
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Abstract
The utility model discloses a kind of air-conditioning, air-conditioner control system and outdoor unit switching circuit.The air-conditioner control system includes: including outdoor unit switching circuit, outdoor unit control circuit, communicates power-supply circuit, outdoor unit telecommunication circuit and filter circuit, wherein the outdoor unit switching circuit is connect with outdoor unit power supply；The outdoor unit switching circuit is also connect with communication power-supply circuit and outdoor unit control circuit respectively, and the turn-on and turn-off of the first relay are determined by least one in communication power-supply circuit signal and outdoor unit control circuit first control signal；Communication power-supply circuit is connect with outdoor unit telecommunication circuit, and outdoor unit telecommunication circuit is connect with indoor unit telecommunication circuit.The utility model combines interior machine control and drive control, is able to satisfy the low-power consumption energy saving requirement of air-conditioning, and practicability is high, securely and reliably.
Description
Technical field
The utility model relates to household appliance technical field, in particular to a kind of air-conditioning, air-conditioner control system and outdoor unit switch
Circuit.
Background technique
When air-conditioning is in standby, the major function of indoor unit and outdoor unit is turned off, but often outdoor unit is kept
Energization can't cut off charge relay, continue to power to charging circuit, and can supply electricity to the various members of back circuit always
Device.Outdoor unit will generate some useless power losses when standby in this way, cause the waste of resource.
Utility model content
In view of the above technical problem, the utility model provides a kind of air-conditioning, air-conditioner control system and outdoor unit switch electricity
Road combines interior machine control and drive control, is able to satisfy the low-power consumption energy saving requirement of air-conditioning.
One aspect according to the present utility model provides a kind of outdoor unit switching circuit, wherein the outdoor unit switch electricity
Road is connect with outdoor unit power supply；The outdoor unit switching circuit also respectively with communicate power-supply circuit and outdoor unit control circuit
Connection, the turn-on and turn-off of the outdoor unit switching circuit are by communication power-supply circuit signal and outdoor unit control circuit signal
At least one is determined；Communication power-supply circuit is connect with outdoor unit telecommunication circuit, outdoor unit telecommunication circuit and indoor unit telecommunication circuit
Connection.
In some embodiments of the utility model, the outdoor unit switching circuit includes the first relay and the second relay
Device, in which:
After first relay and the second relay are connected in parallel, it is arranged after outdoor unit power supply；
The turn-on and turn-off of first relay are by communication power-supply circuit signal and outdoor unit control circuit first control signal
In at least one of determine；
The turn-on and turn-off of second relay are determined by outdoor unit control circuit second control signal.
In some embodiments of the utility model, the first relay includes the first relay contact and the first relay line
Circle, the second relay include the second relay contact and the second relay coil, in which:
After first relay contact and the second relay contact are connected in parallel, it is arranged after outdoor unit power supply；
The first control terminal connection outdoor unit control circuit first control signal end of first relay coil and communication take electricity
Circuit signal end, the second control terminal connection communication power-supply circuit signal end of the first relay；
First control terminal of the second relay coil connects outdoor unit control circuit second control signal end, the second relay
Second control terminal of coil connects supply voltage.
In some embodiments of the utility model, the outdoor unit switching circuit further includes triode, in which:
The base stage connection outdoor unit control circuit first control signal end of triode and communication power-supply circuit signal end, three poles
The collector of pipe connects the first control terminal of the first relay coil, the emitter ground connection of triode.
In some embodiments of the utility model, the outdoor unit switching circuit further includes first resistor and the second electricity
Resistance, in which:
First resistor connect with the first relay contact after circuit, then with the second relay contact parallel connection；
The base stage of triode passes through second resistance connection communication power-supply circuit signal end.
In some embodiments of the utility model, communication power-supply circuit signal end is taken by optical coupling device and communication
Electric circuit output end connection；
Outdoor unit control circuit first control signal end is exported by optical coupling device and outdoor unit control circuit first
Signal end connection.
Another aspect according to the present utility model provides a kind of air-conditioner control system, including outdoor unit switching circuit, outdoor
Machine control circuit, communication power-supply circuit, outdoor unit telecommunication circuit and filter circuit, in which:
The outdoor unit switching circuit is connect with outdoor unit power supply；The outdoor unit switching circuit also respectively with communication
Power-supply circuit is connected with outdoor unit control circuit, and the turn-on and turn-off of the outdoor unit switching circuit are by communication power-supply circuit signal
It is determined at least one in outdoor unit control circuit signal；Communication power-supply circuit is connect with outdoor unit telecommunication circuit, outdoor unit
Telecommunication circuit is connect with indoor unit telecommunication circuit.
In some embodiments of the utility model, the outdoor unit switching circuit further includes switching power circuit, in which:
Filter circuit is connect by switching power circuit with outdoor controller.
In some embodiments of the utility model, the outdoor unit switching circuit is room described in any of the above-described embodiment
Outer machine switching circuit.
Another aspect according to the present utility model provides a kind of air-conditioning, including the outdoor as described in above-mentioned any embodiment
Machine switching circuit or the air-conditioner control system as described in above-mentioned any embodiment.
The utility model combines interior machine control and drive control, is able to satisfy the low-power consumption energy saving requirement of air-conditioning, and practical
Property it is high, securely and reliably.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the topological structure schematic diagram of outdoor unit circuit in some embodiments of the relevant technologies.
Fig. 2 is the schematic diagram of some embodiments of the utility model air-conditioner control system.
Fig. 3 is the schematic diagram of some embodiments of the utility model outdoor unit switching circuit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the topological structure schematic diagram of outdoor unit circuit in some embodiments of the relevant technologies.
It is found by the applicant that: as shown in Figure 1 in the related technology, relay circuit is in the rear end of Switching Power Supply, it is ensured that interior
Outer machine can must assure that in stand-by mode switching power circuit all by communications interface transmission data, this topological structure at any time
Power supply just can control unlatching and wake up, and energy consumption is high.And controlling the relay cut-off can only be controlled by outdoor unit control circuit, function
It can property be single does not enrich.
Based on the above technical problem, applicant proposed a kind of outdoor unit control method and systems, below by specific reality
Example is applied to be specifically described.
Fig. 2 is the schematic diagram of some embodiments of the utility model air-conditioner control system.As shown in Fig. 2, the airconditioning control
System may include outdoor unit switching circuit 1, outdoor unit control circuit 2, communication power-supply circuit 3, outdoor unit telecommunication circuit 4 and filter
Wave circuit 5, in which:
The outdoor unit switching circuit 1 is connect with outdoor unit power supply.
The outdoor unit switching circuit 1 specifically can be set between outdoor unit power supply and filter circuit 5.
In some embodiments of the utility model, the outdoor unit switching circuit 1 can be control relay circuit.
The outdoor unit switching circuit 1 is also connect with communication power-supply circuit 3 and outdoor unit control circuit 2 respectively.
In some embodiments of the utility model, outdoor unit control circuit 2 can be implemented as outdoor unit control chip.
The turn-on and turn-off of the outdoor unit switching circuit 1 are by communication power-supply circuit signal and outdoor unit control circuit signal
In at least one of determine.
Outdoor unit power supply, for being powered for outdoor unit circuit in the case where outdoor unit switching circuit 1 is connected.
In some embodiments of the utility model, the outdoor unit power supply can be power grid input power；It is described
Outdoor unit power supply can be external ac power source.
In other embodiments of the utility model, the outdoor unit power supply can also with power grid by indoor unit to
The power supply that outdoor unit provides.
In some embodiments of the utility model, filter circuit 5 may include forceful electric power filter circuit and rectification circuit.
Communication power-supply circuit 3 is connect with outdoor unit telecommunication circuit 4, and outdoor unit telecommunication circuit 4 and indoor unit telecommunication circuit are protected
Hold communication connection.
In some embodiments of the utility model, communication power-supply circuit 3 can be electric pressure converter, such as can be drop
Depressor.
In some embodiments of the utility model indoors machine telecommunication circuit obtain it is electric in the case where, outdoor unit communication electricity
Road 4 must be electric, and communication power-supply circuit 3 exports high level (such as 5V) to outdoor unit switching circuit 1, to control outdoor unit switching circuit
1 conducting.
Such as: indoors machine telecommunication circuit obtain it is electric in the case where, outdoor unit telecommunication circuit 4 it is electric, export the high level of 12V
Communication power-supply circuit 3 is given, communication power-supply circuit 3 converts the high level voltage of 12V to the DC voltage of 5V, switchs to outdoor unit
Circuit 1 exports high level (5V), and control outdoor unit switching circuit 1 is connected.
Based on the utility model air-conditioner control system provided by the above embodiment, the on-off of outdoor unit telecommunication circuit can be by
At least one communicated in power-supply circuit signal and outdoor unit control circuit signal determines, so that the functionality of air-conditioner control system
It is more abundant.
Control outdoor unit switching circuit 1 (such as relay) mode is indirect in the utility model above-described embodiment, interior
Outer machine communication line only connects indoor unit telecommunication circuit, outdoor unit telecommunication circuit and filter circuit, is not connected to outdoor unit switching circuit
1, between outdoor unit telecommunication circuit and relay circuit, increases a communication power-supply circuit and be connected.The communication power-supply circuit from
Outdoor unit telecommunication circuit obtains control output direct current signal after signal, and then controls the channel of outdoor unit switching circuit 1, and inside and outside
Communication line between machine has no to be associated with.
The communication power-supply circuit of the utility model above-described embodiment is a kind of power-switching circuit, and input terminal is outdoor unit
Telecommunication circuit, output end are outdoor unit switching circuit, are controlled by outdoor unit telecommunication circuit, not indoor unit telecommunication circuit control
System.
Outdoor unit switching circuit 1 is the direct current obtained from communication power-supply circuit in the utility model above-described embodiment, no
Interfere indoor unit telecommunication circuit and outdoor unit telecommunication circuit, does not limit the type of telecommunication circuit in this way.
The relationship of outdoor unit switching circuit and indoor unit and indirect relationship, outdoor unit in the utility model above-described embodiment
The actuation and disconnection of relay in switching circuit only exist causality with indoor unit open and close.The utility model is above-mentioned
In embodiment, outdoor unit telecommunication circuit obtains the signal of indoor unit telecommunication circuit, so that outdoor unit power-supply circuit is worked, just makes room
Outer machine switching circuit relays electrical work.The utility model above-described embodiment is not to directly control relay by indoor unit.
In some embodiments of the utility model, as shown in Fig. 2, the air-conditioner control system can also include switch electricity
Source circuit 6, in which:
Filter circuit 5 is connect by switching power circuit 6 with outdoor unit control circuit 2.
The utility model air-conditioner control system provided by the above embodiment, so that air-conditioning closes outdoor unit in stand-by mode
Control circuit can also turn off the switch power circuit, achieve the purpose that reduce power consumption.And the logical of indoor unit can be passed through when being switched on
Letter wakes up outdoor unit circuit, to further reduced power consumption.
In some embodiments of the utility model, as shown in Fig. 2, the air-conditioner control system can also include charging electricity
Road 7 and driving circuit 8, in which:
Filter circuit 5 is connect by charging circuit 7 with driving circuit 8, and outdoor unit control circuit 2 is connect with driving circuit 8.
In some embodiments of the utility model, driving circuit 8, for driving compressor.
In some embodiments of the utility model, outdoor unit control circuit 2, for controlling driving circuit 8 to compressor
It is driven.
In some embodiments of the utility model, driving circuit 8 may include PFC (Power Factor
Correction, PFC) circuit, IPM (Intelligent Power Module, intelligent power module) circuit etc.
Circuit.
The structure and function of outdoor unit switching circuit is described further combined with specific embodiments below.
Fig. 3 is the schematic diagram of some embodiments of the utility model outdoor unit switching circuit.As shown in figure 3, Fig. 2 embodiment
Outdoor unit switching circuit 1 may include the first relay 11 and the second relay 12, in which:
After first relay 11 and the second relay 12 are connected in parallel, it is arranged after outdoor unit power supply.
After first relay 11 and the second relay 12 are connected in parallel, specifically it can be set in outdoor unit power supply
Between filter circuit 5.
The turn-on and turn-off of first relay 11 are by communication power-supply circuit signal and the control letter of outdoor unit control circuit first
At least one in number determines.
The turn-on and turn-off of second relay 12 are determined by outdoor unit control circuit second control signal.
In some embodiments of the utility model, as shown in figure 3, the first relay 11 may include the touching of the first relay
Point 111 and the first relay coil 112, the second relay 12 may include the second relay contact 121 and the second relay line
Circle 122, in which:
After first relay contact 111 and the second relay contact 121 are connected in parallel, setting outdoor unit power supply it
Afterwards, it specifically can be set between outdoor unit power supply and filter circuit 5.
First relay coil 112 the first control terminal connection outdoor unit control circuit first control signal end (end A) and
Communicate power-supply circuit signal end 31, the second control terminal connection communication power-supply circuit signal end 31 of the first relay 11.
First control terminal of the second relay coil 122 connects outdoor unit control circuit second control signal end (end B), the
Second control terminal of two relay coils 122 connects supply voltage.
In some embodiments of the utility model, as shown in figure 3, the outdoor unit switching circuit 1 can also include three
Pole pipe 13, in which:
Base stage connection outdoor unit control circuit first control signal end (end A) of triode 13 and communication power-supply circuit signal
End 31, the collector of triode 13 connect the first control terminal of the first relay coil 112, the emitter ground connection of triode 13.
At outdoor unit control circuit first control signal end (end A) and communicate at least one in power-supply circuit signal end 31
In the case that voltage is greater than the threshold voltage Vbe (such as 0.7V) of triode 13, triode 13 is connected, and triode can be by collector
End drags down, and generates voltage difference, the first relay coil between the first control terminal and the second control terminal of the first relay coil 112
112 obtain electric, the first relay contact 111 closure.
Thus the utility model above-described embodiment controlled using the control voltage of different high values with can be convenient after
The conducting of electric appliance, expands application range.Such as: the high value at outdoor unit control circuit first control signal end (end A) is
3V, the high value of communication power-supply circuit signal end 31 are 5V, then can also realize that triode 13 is connected respectively, and then realize the
One relay contact 111 closure.
The control flow of outdoor unit switching circuit is illustrated below.
Power grid is directly accessed outdoor unit switching circuit.
The first, initial power-on when, outdoor unit circuit is in power failure state；In the case that machine powers on indoors, indoor unit
Telecommunication circuit obtain it is electric so that outdoor unit telecommunication circuit obtain it is electric；Make the direct current signal 5V high of outdoor unit communication power-supply circuit output
Level；In the case where communicating power-supply circuit output high level signal, triode 13 is connected, and triode can draw collector voltage
Low, 112 both ends of the first relay coil generate voltage difference, and the first relay coil 112 must be electric, and the first relay contact 111 closes
Close so that the rear circuit of outdoor unit switching circuit 1 it is electric, outdoor unit control circuit work, wake up entire outdoor unit.
In the utility model above-described embodiment, just when booting outdoor unit control circuit not it is electric, directly take electricity by communicating
The direct current 5V signal of circuit output controls the first relay, and the first relay circuit works (the first relay contact 111 closure)
Afterwards, obtain rear circuit (including outdoor unit control circuit) electric.
Use the first relay contact for being closed after powering in the utility model above-described embodiment, guarantee powers on can be to
The charging of outdoor unit driving plate withouts waiting for after switching power circuit all power, outdoor unit control circuit the first relay of control
Contact is acted, to strengthen the agility of booting.
The second, after outdoor unit charging circuit charging complete, outdoor unit control circuit is controlled to outdoor unit control circuit second
Signal end (end B) processed exports low level, at this time the second relay coil 122 it is electric, the second relay contact 121 is attracted, by the
One relay contact 111 and first resistor R1 are shorted；And outdoor unit control circuit is controlled to outdoor unit control circuit first at this time
Signal end (end A) processed exports low level, and triode is disconnected, transistor collector end drawn high, at this time the first relay coil 112
Power loss, the first relay contact 111 disconnect.
Third, outdoor unit will enter standby mode or shutdown mode in the case where, communication power-supply circuit signal end it is straight
The power down of 5V signal is flowed, outdoor unit control circuit exports high level to outdoor unit control circuit second control signal end (end B), so that
Second relay coil, 122 power loss, the second relay contact 121 disconnect, so that the rear circuit of outdoor unit switching circuit 1 is disconnected
Electricity, to guarantee outdoor unit low-power consumption.
The communication power-supply circuit signal of the utility model above-described embodiment is called out by hardware controls outdoor unit from standby mode
Wake up, outdoor unit control circuit first control signal end (end A), second control signal end (end B) control the first relay, second after
The on-off of electric appliance, and outdoor unit control circuit second control signal end (end B) control outdoor unit enters standby mode.
When indoor unit power supply electrifying of the utility model above-described embodiment after light-coupled isolation, just booting, outdoor unit control
Circuit not it is electric, directly by communication power-supply circuit output high level signal control the first relay contact closure, first after
Electric appliance guarantee is powered on and can be charged to driving plate.After the work of the first relay of the utility model above-described embodiment, rear circuit (packet
Include outdoor unit control circuit) just it is electric, do not need outdoor unit control circuit and first control to carry out on-off, while strengthening booting yet
Agility.
In some embodiments of the utility model, as shown in figure 3, the outdoor unit switching circuit 1 can also include the
One resistance R1 and second resistance R2, in which:
First resistor R1 connect with the first relay contact 111 after circuit, then it is in parallel with the second relay contact 121.
The effect of first resistor R1 reduces the charging current of charging circuit charging stage for being.
The base stage of triode 13 passes through second resistance R2 connection communication power-supply circuit signal end 31.
The effect of resistance R2 is in the utility model above-described embodiment: can prevent communication power-supply circuit signal end
Direct current 5V signal by the voltage high at outdoor unit control circuit first control signal end (end A), interference outdoor unit control circuit
The case where output.
In some embodiments of the utility model, as shown in figure 3, communication power-supply circuit signal end 31 passes through photoelectric coupling
Device is connect with communication power-supply circuit output end.The communication power-supply circuit signal is carried out by communication power-supply circuit output signal
It is obtained after photoelectric coupling.
Outdoor unit control circuit first control signal end (end A) passes through optical coupling device and outdoor unit control circuit first
Output signal end connection.The outdoor unit control circuit first control signal be by the first output signal of outdoor unit control circuit into
It is obtained after row photoelectric coupling.
Power-supply circuit signal end 31 and the control letter of outdoor unit control circuit first are communicated in the utility model above-described embodiment
Number end (end A) be light current, with its control forceful electric power need to be realized with light-coupled isolation, with can solve indoor unit using light-coupled isolation
The problem of line floats ground, outdoor unit ground wire thermally generates dangerous altogether when preventing its control.
The air-conditioner control system and outdoor unit switching circuit of the utility model above-described embodiment combine interior machine control and drive
Dynamic control is able to satisfy the low-power consumption energy saving requirement of air-conditioning, and practicability is high, securely and reliably.
The utility model above mentioned embodiment provide it is a kind of based on inside and outside air-conditioning machine communicate low-power consumption topological structure and its
Control relay circuit, which, which can make air-conditioning close controller in stand-by mode, can also turn off the switch power circuit,
Achieve the purpose that reduce power consumption.And the utility model above-described embodiment can be waken up outdoor by the communication of indoor unit when being switched on
Electromechanical road.
The power consumption of outdoor unit when the utility model above-described embodiment can reduce air-conditioner standby, and reduce resource wave
Take, air-conditioner outdoor unit is allow to enter low-power consumption mode.
Another aspect according to the present utility model, provides a kind of air-conditioning, including as (such as Fig. 3 is real for above-mentioned any embodiment
Apply example) described in outdoor unit switching circuit 1 or the airconditioning control system as described in above-mentioned any embodiment (such as Fig. 2 embodiment)
System.
Based on the utility model air-conditioning provided by the above embodiment, the power consumption of outdoor unit when can reduce air-conditioner standby, and
And reduce resource waste, so that air-conditioner outdoor unit is entered low-power consumption mode.
Based on the utility model air-conditioning provided by the above embodiment, interior machine control and drive control are combined, sky is able to satisfy
The low-power consumption energy saving requirement of tune, and practicability is high, securely and reliably.
When indoor unit power supply electrifying of the utility model above-described embodiment after light-coupled isolation, just booting, outdoor unit control
Circuit not it is electric, directly by communication power-supply circuit output high level signal control the first relay contact closure, first after
Electric appliance guarantee is powered on and can be charged to driving plate.After the work of the first relay of the utility model above-described embodiment, rear circuit (packet
Include outdoor unit control circuit) just it is electric, do not need outdoor unit control circuit and first control to carry out on-off, while strengthening booting yet
Agility.
The utility model above mentioned embodiment provide it is a kind of based on inside and outside air-conditioning machine communicate low-power consumption topological structure and its
Control relay circuit, which, which can make air-conditioning close controller in stand-by mode, can also turn off the switch power circuit,
Achieve the purpose that reduce power consumption.And the utility model above-described embodiment can be waken up outdoor by the communication of indoor unit when being switched on
Electromechanical road.
The power consumption of outdoor unit when the utility model above-described embodiment can reduce air-conditioner standby, and reduce resource wave
Take, air-conditioner outdoor unit is allow to enter low-power consumption mode.
So far, the utility model is described in detail.In order to avoid covering the design of the utility model, this is not described
Some details well known to field.Those skilled in the art as described above, completely it can be appreciated how implementing public here
The technical solution opened.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the utility model is given for the purpose of illustration and description, and is not that exhaustively or incite somebody to action this
Utility model is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.
Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes the common skill of this field
Art personnel it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of outdoor unit switching circuit, which is characterized in that the outdoor unit switching circuit is connect with outdoor unit power supply；Institute
Outdoor unit switching circuit is stated also to connect with communication power-supply circuit and outdoor unit control circuit respectively, the outdoor unit switching circuit
Turn-on and turn-off are determined by least one in communication power-supply circuit signal and outdoor unit control circuit signal；Communicate power-supply circuit
It is connect with outdoor unit telecommunication circuit, outdoor unit telecommunication circuit is connect with indoor unit telecommunication circuit.
2. outdoor unit switching circuit according to claim 1, which is characterized in that including the first relay and the second relay
Device, in which:
After first relay and the second relay are connected in parallel, it is arranged after outdoor unit power supply；
The turn-on and turn-off of first relay are by communication power-supply circuit signal and outdoor unit control circuit first control signal
At least one is determined；
The turn-on and turn-off of second relay are determined by outdoor unit control circuit second control signal.
3. outdoor unit switching circuit according to claim 2, which is characterized in that the first relay is touched including the first relay
Point and the first relay coil, the second relay include the second relay contact and the second relay coil, in which:
After first relay contact and the second relay contact are connected in parallel, it is arranged after outdoor unit power supply；
The first control terminal connection outdoor unit control circuit first control signal end of first relay coil and communication power-supply circuit
Signal end, the second control terminal connection communication power-supply circuit signal end of the first relay；
First control terminal of the second relay coil connects outdoor unit control circuit second control signal end, the second relay coil
The second control terminal connect supply voltage.
4. outdoor unit switching circuit according to claim 3, which is characterized in that further include triode, in which:
The base stage connection outdoor unit control circuit first control signal end of triode and communication power-supply circuit signal end, triode
Collector connects the first control terminal of the first relay coil, the emitter ground connection of triode.
5. outdoor unit switching circuit according to claim 4, which is characterized in that it further include first resistor and second resistance,
Wherein:
First resistor connect with the first relay contact after circuit, then with the second relay contact parallel connection；
The base stage of triode passes through second resistance connection communication power-supply circuit signal end.
6. outdoor unit switching circuit according to claim 4 or 5, which is characterized in that
Communication power-supply circuit signal end is connect by optical coupling device with communication power-supply circuit output end；
Outdoor unit control circuit first control signal end passes through optical coupling device and the first output signal of outdoor unit control circuit
End connection.
7. a kind of air-conditioner control system, which is characterized in that take electricity including outdoor unit switching circuit, outdoor unit control circuit, communication
Circuit, outdoor unit telecommunication circuit and filter circuit, in which:
The outdoor unit switching circuit is arranged between outdoor unit power supply and filter circuit；The outdoor unit switching circuit is also
It is connect respectively with communication power-supply circuit and outdoor unit control circuit, the turn-on and turn-off of the outdoor unit switching circuit are taken by communicating
At least one in electric circuit signal and outdoor unit control circuit signal determines；It communicates power-supply circuit and outdoor unit telecommunication circuit connects
It connects, outdoor unit telecommunication circuit is connect with indoor unit telecommunication circuit.
8. air-conditioner control system according to claim 7, which is characterized in that further include switching power circuit, in which:
Filter circuit is connect by switching power circuit with outdoor controller.
9. air-conditioner control system according to claim 7 or 8, which is characterized in that the outdoor unit switching circuit is right
It is required that outdoor unit switching circuit described in any one of 1-6.
10. a kind of air-conditioning, which is characterized in that including outdoor unit switching circuit such as of any of claims 1-6 or such as
Air-conditioner control system described in claim 7 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820860454.XU CN208282283U (en) | 2018-06-05 | 2018-06-05 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820860454.XU CN208282283U (en) | 2018-06-05 | 2018-06-05 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208282283U true CN208282283U (en) | 2018-12-25 |
Family
ID=64706630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820860454.XU Active CN208282283U (en) | 2018-06-05 | 2018-06-05 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208282283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488948A (en) * | 2018-06-05 | 2018-09-04 | 珠海格力电器股份有限公司 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
-
2018
- 2018-06-05 CN CN201820860454.XU patent/CN208282283U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488948A (en) * | 2018-06-05 | 2018-09-04 | 珠海格力电器股份有限公司 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
| CN108488948B (en) * | 2018-06-05 | 2023-11-14 | 珠海格力电器股份有限公司 | Air conditioner, air conditioner control system and outdoor unit switch circuit |
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