CN209181199U - Air conditioner and its outdoor unit control circuit - Google Patents
Air conditioner and its outdoor unit control circuit Download PDFInfo
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- CN209181199U CN209181199U CN201821816369.XU CN201821816369U CN209181199U CN 209181199 U CN209181199 U CN 209181199U CN 201821816369 U CN201821816369 U CN 201821816369U CN 209181199 U CN209181199 U CN 209181199U
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Abstract
The utility model discloses a kind of air conditioner and its outdoor unit control circuits, the outdoor unit control circuit includes: rectifier bridge, first ac input end of rectifier bridge is connected by the first relay with the side of electric main, and the second ac input end of rectifier bridge is connected with the other side of electric main；Second relay, the second relay are in parallel with the first relay after connecting with thermistor；Preliminary filling unit；First rectification unit；Second rectification unit；Switching power supply, one end of Switching Power Supply are connected with the other end of the other end of the first rectification unit and the second rectification unit respectively, and the other end of Switching Power Supply is connected with outdoor controller, to power to outdoor controller.Low current relay can be used in second relay of the circuit, and high-current relay is arranged without mounted circuit board indoors, it is possible thereby to while reducing cost, control energy consumption, the space of mounted circuit board in release room.
Description
Technical field
The utility model relates to air conditioner technical field, in particular to a kind of outdoor unit of the air conditioner control circuit and one kind
Air conditioner.
Background technique
Currently, as shown in Figure 1, the power supply control of outdoor unit generally uses the relay of two high currents in transducer air conditioning
Device is controlled, and one is located in indoor mounted circuit board, another is located outside in mounted circuit board.When need give outdoor unit supply
Relay in electricity Shi Xian opening chamber in mounted circuit board obtains outdoor unit electric.Since outdoor unit has big electrolytic capacitor, thus it is necessary
It is first big electrolytic capacitor using thermistor string into major loop, then recycles the high current relay in outdoor mounted circuit board
Device carries out short-circuit processing to thermistor.
Since the relay that aforesaid way uses two high currents is controlled, higher cost；High current relay
The control of device needs biggish electric current, and energy consumption is high；The volume of high-current relay is larger, occupies more circuit board space.
Utility model content
The utility model is intended at least solve one of the technical problem in above-mentioned technology to a certain extent.For this purpose, this reality
It is to propose a kind of outdoor unit of the air conditioner control circuit with a novel purpose, the second relay of the circuit can be used
High-current relay is arranged without mounted circuit board indoors in low current relay, it is possible thereby to reducing cost, controlling energy consumption
Meanwhile in release room mounted circuit board space.
Another purpose of the utility model is to propose a kind of air conditioner.
In order to achieve the above objectives, the utility model first aspect proposes a kind of outdoor unit of the air conditioner control circuit, packet
Include: the first ac input end of rectifier bridge, the rectifier bridge is connected by the first relay with the side of electric main, described whole
Second ac input end of stream bridge is connected with the other side of electric main；Second relay, second relay and temperature-sensitive electricity
It is in parallel with first relay after resistance series connection；The direct current of preliminary filling unit, one end of the preliminary filling unit and the rectifier bridge is just
Output end is connected, and the other end of the preliminary filling unit is connected with the direct current negative output terminal of the rectifier bridge；First rectification unit, institute
The one end for stating the first rectification unit is connected with one end of the preliminary filling unit；Second rectification unit, second rectification unit
One end is connected with the side of the electric main, and the other end of second rectification unit is another with first rectification unit
End is connected；Switching power supply, one end of the Switching Power Supply respectively with the other end of first rectification unit and described
The other end of two rectification units is connected, and the other end of the Switching Power Supply is connected with outdoor controller, to give the outdoor unit
Controller power supply.
First ac input end of outdoor unit of the air conditioner control circuit according to the present utility model, rectifier bridge passes through first
Relay is connected with the side of electric main, and the second ac input end of rectifier bridge is connected with the other side of electric main, and second
Relay is in parallel with the first relay after connecting with thermistor, one end of preliminary filling unit and the direct current positive output end phase of rectifier bridge
Even, the other end of preliminary filling unit is connected with the direct current negative output terminal of rectifier bridge, one end and the preliminary filling unit of the first rectification unit
One end is connected, and one end of the second rectification unit is connected with the side of the electric main, the other end of the second rectification unit and the
The other end of one rectification unit is connected, one end of Switching Power Supply respectively with the other end of the first rectification unit and the second rectification unit
The other end be connected, the other end of Switching Power Supply is connected with outdoor controller, to power to outdoor controller.The circuit
Low current relay can be used in second relay, and high-current relay is arranged without mounted circuit board indoors, it is possible thereby to
While reducing cost, control energy consumption, the space of mounted circuit board in release room.
In addition, can also be had according to the utility model outdoor unit of the air conditioner control circuit set forth above following additional
Technical characteristic:
Specifically, the preliminary filling unit includes: the first electrolytic capacitor.
Specifically, first rectification unit includes first diode, and second rectification unit includes the second diode.
Further, above-mentioned outdoor unit control circuit further include: EMC (Electro Magnetic
Compatibility, Electro Magnetic Compatibility) unit, the EMC unit is connected between the electric main and the rectifier bridge.
Specifically, above-mentioned outdoor unit control circuit further include: PFC (Power Factor Correction, power because
Number correction) unit, the PFC unit is connected between the rectifier bridge and the preliminary filling unit.
Specifically, other electricity consumptions that the switching power supply also passes through first switch and is arranged on air-conditioner outdoor unit
Unit is connected.
In order to achieve the above objectives, the utility model second aspect proposes a kind of air conditioner comprising above-mentioned air conditioner
Outdoor unit control circuit.
Air conditioner according to the present utility model, by above-mentioned outdoor unit of the air conditioner control circuit, without machine indoors
High-current relay is arranged in circuit board, it is possible thereby to while reducing cost, control energy consumption, the sky of mounted circuit board in release room
Between.
Detailed description of the invention
Fig. 1 is the block diagram of outdoor unit of the air conditioner control circuit in the related technology；
Fig. 2 is the block diagram according to the outdoor unit of the air conditioner control circuit of the utility model one embodiment；
Fig. 3 is the block diagram according to the outdoor unit of the air conditioner control circuit of the utility model another embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The outdoor unit of the air conditioner control circuit and air conditioner of the utility model embodiment described with reference to the accompanying drawing.
Fig. 2 is the block diagram according to the outdoor unit of the air conditioner control circuit of the utility model one embodiment.Such as
Shown in Fig. 2, which includes: rectifier bridge 1, the second relay K2, preliminary filling unit 2, the first rectification unit 3,
Two rectification units 4, switching power supply 5.
Wherein, the first ac input end of rectifier bridge 1 is connected by the first relay K1 with the side of electric main AC, whole
Second ac input end of stream bridge 1 is connected with the other side of electric main AC.Second relay K2 connects with thermistor PTC1
It is in parallel with the first relay K1 afterwards.One end of preliminary filling unit 2 is connected with the direct current positive output end of rectifier bridge 1, preliminary filling unit 2 it is another
One end is connected with the direct current negative output terminal of rectifier bridge 1.One end of first rectification unit 3 is connected with one end of preliminary filling unit 2, and second
One end of rectification unit 4 is connected with the side of electric main, and the other end of the second rectification unit 4 is another with the first rectification unit 3
One end is connected.One end of Switching Power Supply 5 other end phase with the other end of the first rectification unit 3 and the second rectification unit 4 respectively
Even, the other end of Switching Power Supply 5 is connected with outdoor controller 6, to power to outdoor controller 6.
Specifically, after power on circuitry, electric main AC generates Rectified alternating current after handling by 4 rectification of the second rectification unit
It is supplied to switching power supply 5, Rectified alternating current can be converted to stable DC by switching power supply 5, for outdoor
Machine controller 6 is powered.If indoor unit needs to open outdoor unit, outdoor controller 6 first control K1 closure, with by K1,
PTC1 is that preliminary filling unit 2 carries out preliminary filling, excessive to avoid relay closure immediate current, causes to impact to circuit.Preliminary filling terminates
Afterwards, outdoor controller 6 controls K1 disconnection, K2 closure again, and electric main AC is whole after the rectification of rectifier bridge 1, then by first
Flowing unit 3 is that switching power supply 5 is powered, with pass through switching power supply 5 continue as outdoor controller 6 provide it is stable straight
Galvanic electricity.
In the utility model, outdoor unit control circuit is located outside on machine control panel, and the first relay K1 is preliminary filling relay
Low current relay can be used in device, so as to reduce power consumption, removes the high-current relay on indoor unit control panel
The control of outdoor unit is realized, so as in the space for reducing mounted circuit board in cost and release room.
One embodiment according to the present utility model, as shown in figure 3, preliminary filling unit 2 may include: the first electrolytic capacitor
E1.First rectification unit 3 may include first diode D1, and the second rectification unit 4 may include the second diode D2.D1 and D2
Cathode be also connected with one end of capacitor C after be connected with switching power supply 5, the other end of capacitor C is grounded.
Further, one embodiment according to the present utility model, as shown in figure 3, above-mentioned outdoor unit of the air conditioner control
Circuit processed can also include: EMC unit 7.EMC unit 7 is connected between electric main AC and rectifier bridge 1.
Specifically, as shown in figure 3, EMC unit 7 may include the first inductance L1, first capacitor C1 and the second capacitor C2, tool
Body connection type is referring to Fig. 3, and details are not described herein again.EMC unit 7 can both reduce the electromagnetic interference to other equipment of circuit,
Circuit can be improved again to the resistivity of electromagnetic interference present in the environment of place.Certainly, EMC unit may be other shapes
Formula can reach the purpose of this utility model.
One embodiment according to the present utility model, as shown in figure 3, above-mentioned outdoor unit of the air conditioner control circuit may be used also
To include: PFC unit 8.PFC unit 8 can connect between rectifier bridge 1 and preliminary filling unit 2
Specifically, as shown in figure 3, PFC unit 8 may include the second inductance L2, third capacitor C3, first resistor R1,
One switching tube Q1, third diode D3, specific connection type is referring to Fig. 3, and details are not described herein again.PFC unit 8 can carry out power
Factor correcting, certainly, PFC unit 8 can also be other forms, can achieve the purpose that PFC.
It should be noted that as shown in figure 3, outdoor unit control circuit can also include fuse FUSE1 voltage-stabilizing device
ZR1.Fuse FUSE1 can carry out overcurrent protection, and voltage-stabilizing device ZR1 can make the voltage for being input to rectifier bridge 1 keep stablizing.
In the present invention, the concrete composition and structure of switching power supply 5 can refer to shown in Fig. 3, naturally it is also possible to
For other forms, the utility model is not specifically limited.
One embodiment according to the present utility model, as shown in figure 3, switching power supply 5 can also pass through first switch
S1 is connected with the other power units being arranged on air-conditioner outdoor unit.
Specifically, outdoor controller 6 it is electric after, can be closed by control switch S1, be air-conditioner outdoor unit on
Other power unit power supplies.
The air conditioner of the utility model can be frequency-variable controller.
In conclusion outdoor unit of the air conditioner control circuit according to the present utility model, the first exchange input of rectifier bridge
End is connected by the first relay with the side of electric main, the second ac input end of rectifier bridge and the other side of electric main
It is connected, the second relay is in parallel with the first relay after connecting with thermistor, one end of preliminary filling unit and the direct current of rectifier bridge
Positive output end be connected, the other end of preliminary filling unit is connected with the direct current negative output terminal of rectifier bridge, one end of the first rectification unit and
One end of preliminary filling unit is connected, and one end of the second rectification unit is connected with the side of the electric main, the second rectification unit
The other end is connected with the other end of the first rectification unit, one end of Switching Power Supply respectively with the other end of the first rectification unit and
The other end of two rectification units is connected, and the other end of Switching Power Supply is connected with outdoor controller, to supply to outdoor controller
Electricity.Low current relay can be used in second relay of the circuit, and high-current relay is arranged without mounted circuit board indoors,
It is possible thereby to while reducing cost, control energy consumption, the space of mounted circuit board in release room.
In addition, the utility model also proposes a kind of air conditioner comprising above-mentioned outdoor unit of the air conditioner control circuit.
Air conditioner according to the present utility model, by above-mentioned outdoor unit of the air conditioner control circuit, without machine indoors
High-current relay is arranged in circuit board, it is possible thereby to while reducing cost, control energy consumption, the sky of mounted circuit board in release room
Between.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion
Point, and the range of preferred embodiments of the present invention includes other realization, wherein can not be by shown or discussion
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by this
The embodiment person of ordinary skill in the field of utility model is understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the utility model can be realized with hardware, software, firmware or their combination.?
In above embodiment, what multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Software or firmware are realized.Such as, if realized with hardware in another embodiment, can be under well known in the art
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, can integrate in a processing module in each functional unit in each embodiment of the utility model,
It can be each unit to physically exist alone, can also be integrated in two or more units in a module.It is above-mentioned integrated
Module both can take the form of hardware realization, can also be realized in the form of software function module.The integrated mould
If block is realized and when sold or used as an independent product in the form of software function module, it also can store and counted at one
In calculation machine read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiments of the present invention are stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as practical new to this
The limitation of type, those skilled in the art can be changed above-described embodiment in the scope of the utility model, repair
Change, replacement and variant.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (7)
1. a kind of outdoor unit of the air conditioner control circuit characterized by comprising
First ac input end of rectifier bridge, the rectifier bridge is connected by the first relay with the side of electric main, described
Second ac input end of rectifier bridge is connected with the other side of electric main；
Second relay, second relay are in parallel with first relay after connecting with thermistor；
Preliminary filling unit, one end of the preliminary filling unit are connected with the direct current positive output end of the rectifier bridge, the preliminary filling unit
The other end is connected with the direct current negative output terminal of the rectifier bridge；
First rectification unit, one end of first rectification unit are connected with one end of the preliminary filling unit；
One end of second rectification unit, second rectification unit is connected with the side of the electric main, second rectification
The other end of unit is connected with the other end of first rectification unit；
Switching power supply, one end of the Switching Power Supply respectively with the other end of first rectification unit and described second whole
The other end for flowing unit is connected, and the other end of the Switching Power Supply is connected with outdoor controller, to control to the outdoor unit
Device power supply.
2. outdoor unit of the air conditioner control circuit according to claim 1, which is characterized in that the preliminary filling unit includes:
First electrolytic capacitor.
3. outdoor unit of the air conditioner control circuit as claimed in claim 2, which is characterized in that first rectification unit includes
First diode, second rectification unit include the second diode.
4. outdoor unit of the air conditioner control circuit according to claim 1, which is characterized in that further include:
EMC unit, the EMC unit are connected between the electric main and the rectifier bridge.
5. outdoor unit of the air conditioner control circuit according to claim 1, which is characterized in that further include:
PFC unit, the PFC unit are connected between the rectifier bridge and the preliminary filling unit.
6. outdoor unit of the air conditioner control circuit as described in claim 1, which is characterized in that the switching power supply is also logical
It crosses first switch and is connected with the other power units being arranged on air-conditioner outdoor unit.
7. a kind of air conditioner, which is characterized in that including outdoor unit of the air conditioner control such as of any of claims 1-6
Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816369.XU CN209181199U (en) | 2018-11-05 | 2018-11-05 | Air conditioner and its outdoor unit control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816369.XU CN209181199U (en) | 2018-11-05 | 2018-11-05 | Air conditioner and its outdoor unit control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209181199U true CN209181199U (en) | 2019-07-30 |
Family
ID=67363298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821816369.XU Active CN209181199U (en) | 2018-11-05 | 2018-11-05 | Air conditioner and its outdoor unit control circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN209181199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173837A (en) * | 2019-05-10 | 2019-08-27 | 广东美的制冷设备有限公司 | Air conditioner and its control method and device |
| CN114061124A (en) * | 2021-10-15 | 2022-02-18 | 佛山市顺德区美的电子科技有限公司 | Control circuit, control method, equipment and storage medium for air conditioner outdoor unit |
-
2018
- 2018-11-05 CN CN201821816369.XU patent/CN209181199U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173837A (en) * | 2019-05-10 | 2019-08-27 | 广东美的制冷设备有限公司 | Air conditioner and its control method and device |
| CN114061124A (en) * | 2021-10-15 | 2022-02-18 | 佛山市顺德区美的电子科技有限公司 | Control circuit, control method, equipment and storage medium for air conditioner outdoor unit |
| CN114061124B (en) * | 2021-10-15 | 2024-02-13 | 佛山市顺德区美的电子科技有限公司 | Control circuit, control method, equipment and storage medium of air conditioner outdoor unit |
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