CN209169958U - Power-supplying circuit and transducer air conditioning - Google Patents
Power-supplying circuit and transducer air conditioning Download PDFInfo
- Publication number
- CN209169958U CN209169958U CN201920071616.6U CN201920071616U CN209169958U CN 209169958 U CN209169958 U CN 209169958U CN 201920071616 U CN201920071616 U CN 201920071616U CN 209169958 U CN209169958 U CN 209169958U
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- relay
- power
- outdoor unit
- current
- mould group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides a kind of power-supplying circuit and transducer air conditioning, wherein, power-supplying circuit includes: the control mould group being set in indoor unit and the first relay, mould group is controlled to power to outdoor unit power supply or cutting for controlling the first relay, filter capacitor is provided on outdoor unit, power-supplying circuit further include: the second relay and current-limiting resistance being serially connected, second relay is electrically connected to control mould group, get power on instruction when, it controls mould group and controls the second relay closure, to charge to filter capacitor, after filter capacitor charging, it controls the control of mould group and disconnects the second relay, and control the first relay of closure, to be powered to outdoor unit, wherein, first relay is capacity relay, second relay is low capacity relay.By the technical solution of the utility model, it can reduce circuit power consumption and save circuit board space.
Description
Technical field
The utility model relates to air-conditioning technical fields, empty in particular to a kind of power-supplying circuit and a kind of frequency conversion
Adjust device.
Background technique
In the related technology, it needs to be powered control to the outdoor unit in transducer air conditioning using the relay of two high currents
System, as shown in Figure 1, one of them is set on indoor circuit board, another is set on outdoor circuit board, to outdoor
It needs first to open the relay in indoor unit when machine is powered, obtains outdoor unit electric, and since outdoor unit has big filtered electrical
Hold, therefore thermistor must be connected in series to major loop, to be first that bulky capacitor charges, then utilizes outdoor high-current relay pair
Thermistor is shorted, and presently, there are following defects for the control circuit:
(1) higher cost of high-current relay, and biggish control electric current is needed, therefore energy consumption is larger；
(2) volume of high-current relay is larger, therefore occupies more circuit board space.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
For this purpose, one of the utility model is designed to provide a kind of power-supplying circuit.
The further object of the utility model is to provide a kind of transducer air conditioning.
To achieve the goals above, the embodiment of first aspect according to the present utility model provides a kind of power supply control
Circuit is suitable for air conditioner, and air conditioner includes the indoor unit and outdoor unit of mutual Electricity Federation, and power-supplying circuit includes being set to room
Control mould group and the first relay in interior machine, control mould group are powered to outdoor unit or are cut off and supply for the first relay of control
Electricity is provided with filter capacitor, power-supplying circuit on outdoor unit further include: the second relay and current-limiting resistance being serially connected,
Second relay be electrically connected to control mould group, get power on instruction when, control mould group control the second relay closure, with right
Filter capacitor charges, and after filter capacitor charging, control mould group control disconnects the second relay, and controls closure the
One relay, to be powered to outdoor unit, wherein the first relay is capacity relay, and the second relay is low capacity
Relay.
In the technical scheme, by being arranged the of the large capacity being arranged in the second relay and original scheme of low capacity
The cooperation of one relay, with replace being set in the prior art be respectively arranged on interior circuit plate and outdoor circuit board on it is big
Capacity relay powers on outdoor unit, normally after completing to the charging operations of the filter capacitor on outdoor unit to guarantee outdoor
The smooth starting of machine is run, and since the second relay is in series with current-limiting resistance, allows to flow through the control electric current of smaller value, into
And the second relay that low capacity is arranged can meet circuit configuration demand, to pass through the second relay of increase low capacity simultaneously
Cancel the capacity relay on outdoor circuit board, on the one hand, can reduce circuit power consumption, on the other hand, no matter by second after
Electric appliance and current-limiting resistance are set on interior circuit plate on still outdoor circuit board, circuit board space can be saved, to have
Conducive to the miniaturization setting that air-conditioner outdoor unit is optimized or be conducive to air conditioner inner space.
Specifically, when air conditioner powers on, indoor unit is first powered on, and the first relay is in an off state at this time, in outdoor
When machine needs electrifying startup, the second relay closure is controlled first, using the electric current by flowing through current-limiting resistance as in outdoor unit
Filter capacitor charges, by carrying out current limliting to charging current, to prevent the excessive damage filter capacitor of charging current and second
Relay is generated heat after a period of time of charging due to current-limiting resistance (PTC) characteristic, and resistance value becomes larger, and charging current is then increasingly
Small, the charging of the filter capacitor of large capacity finishes, and by the way that filter capacitor is arranged, when detecting the unexpected power down of outdoor unit, passes through filter
The electric discharge of wave capacitor makes supply voltage not suddenly disappear, and then prevents the unexpected power down of circuit from damaging, and fills to filter capacitor
After electricity, control the first relay of closure, to be powered to outdoor unit, to guarantee that outdoor unit being capable of normal boot-strap.
Wherein, it will be understood by those skilled in the art that, relay capacity or contact capacity are by allowing to flow through relay
Rated current determines that rated current is bigger, and the wire coil in relay can be thicker, and the volume of relay will be bigger, specified
Electric current is smaller, and the wire coil in relay then can be thinner, and the volume of relay will be smaller, therefore uses low capacity relay
Instead of capacity relay, be conducive to save the device space.
In the above-mentioned technical solutions, it is preferable that the second relay and current-limiting resistance are set in indoor unit.
In the technical scheme, outdoor cancelling by the way that the second relay and current-limiting resistance to be all set in indoor unit
While capacity relay on machine, the setting of thermistor on outdoor unit is also eliminated, on the one hand, be conducive to further save
The circuit board space of outdoor unit is saved, on the other hand, is also convenient for control of the control mould group for the second relay.
Wherein, current-limiting resistance is specially thermistor.
In any of the above-described technical solution, it is preferable that the first input end of control mould group is connected to alternating current zero line side, institute
The second input terminal for stating control mould group is connected to alternating current zero line by current-limiting resistance, wherein automatically controlled by city in control mould group
During system is to filter capacitor charging, the resistance value of current-limiting resistance is gradually increased, so that the charging current of filter capacitor gradually subtracts
It is small, until filter capacitor charging finishes.
In the technical scheme, air conditioner is powered by alternating current, the specific setting side of one kind as current-limiting resistance
Formula, alternating current zero line are connected to control mould group by current-limiting resistance, to prevent to control mould group input high current.
In any of the above-described technical solution, it is preferable that the first coil end of the second relay is connected to external direct current
Source, the second coil-end of the second relay are connected to control mould group, and the first tip side of the second relay is connected to outdoor unit
Outdoor power firewire, the second tip side of the second relay are connected to the other end of current-limiting resistance, to be filled in filter capacitor
When electric, current limliting is carried out by current-limiting resistance, wherein the outdoor power zero curve of outdoor unit is connected to alternating current zero line side.
In the technical scheme, as the second relay with a kind of specific connection type, the coil two of the second relay
End is respectively connected to control mould group and external direct current power supply, the contact both ends of the second relay are respectively connected to current-limiting resistance and room
External power firewire cooperates with external direct current power supply to input different voltage values by controlling mould group, coil both ends is made to generate electricity
Pressure difference makes contact closure, or eliminates voltage official post contact and disconnect, logical by the electric current after current-limiting resistance current limliting in contact closure
The contact and outdoor power firewire for crossing closure are input to outdoor unit, are charged with the filter capacitor to outdoor unit, to realize
Cooperate the function of charging to the filter capacitor of outdoor unit by the second relay of small capacitances and concatenated current-limiting resistance.
In any of the above-described technical solution, it is preferable that the first coil end of the first relay is connected to external direct current
Source, the second coil-end of the first relay are connected to control mould group, and the first tip side of the first relay is connected to outdoor power
Second tip side of firewire, the first relay is connected to alternating current zero line, to be powered by alternating current to outdoor unit.
In the technical scheme, as the first relay with a kind of specific connection type, the coil two of the first relay
End is respectively connected to control mould group and external direct current power supply, the contact both ends of the second relay be respectively connected to alternating current zero line with
Outdoor fire-wire power exports alternating current to outdoor unit with the contact closure by the second relay of control, to control on outdoor unit
Powerful device, such as compressor etc. operate normally.
In any of the above-described technical solution, it is preferable that the relay by coil rating electric current less than or equal to 16A determines
For low capacity relay, the relay by peak coil current greater than 16A is determined as capacity relay.
In the technical scheme, a kind of limited way as large bulk capacitance and low capacity capacitor, can be by coil volume
Coil rating electric current is greater than by relay of the constant current less than or equal to 16A as low capacity relay, i.e. the second relay
The relay of 16A is as capacity relay, i.e. the first relay.
In any of the above-described technical solution, it is preferable that the supply voltage of external direct current power supply is 12V.
In any of the above-described technical solution, it is preferable that further include: communications module is respectively connected to control mould group and room
Outer machine, for sending starting operating instruction to outdoor unit when detecting the first relay closure, to control outdoor unit booting.
In the technical scheme, by the way that communications module is arranged on machine indoors, to realize between indoor unit and outdoor unit
Information exchange, so that after i.e. the first relay closure, starting operating instruction is sent to outdoor unit after determining that outdoor unit powers on,
To guarantee outdoor unit normal boot-strap.
The embodiment of second aspect according to the present utility model provides a kind of power supply control side of air-conditioner outdoor unit
Method, comprising: in response to powering on instruction, control the second relay of closure, to fill to the filter capacitor being set on outdoor unit
Electricity；After detecting to filter capacitor charging, control disconnects the second relay, and controls the first relay of closure, so that
Outdoor unit powers on.
In the technical scheme, by being arranged the of the large capacity being arranged in the second relay and original scheme of low capacity
The cooperation of one relay, with replace being set in the prior art be respectively arranged on interior circuit plate and outdoor circuit board on it is big
Capacity relay powers on outdoor unit, normally after completing to the charging operations of the filter capacitor on outdoor unit to guarantee outdoor
The smooth starting of machine is run, and since the second relay is in series with current-limiting resistance, allows to flow through the control electric current of smaller value, into
And the second relay that low capacity is arranged can meet circuit configuration demand, to pass through the second relay of increase low capacity simultaneously
Cancel the capacity relay on outdoor circuit board, on the one hand, can reduce circuit power consumption, on the other hand, no matter by second after
Electric appliance and current-limiting resistance are set on interior circuit plate on still outdoor circuit board, circuit board space can be saved, to have
Conducive to the miniaturization setting that air-conditioner outdoor unit is optimized or be conducive to air conditioner inner space.
In the above-mentioned technical solutions, it is preferable that further include: after detecting the first relay closure, sent to outdoor unit
Start operating instruction, to control outdoor unit booting.
In the technical scheme, by the way that communications module is arranged on machine indoors, to realize between indoor unit and outdoor unit
Information exchange, so that after i.e. the first relay closure, starting operating instruction is sent to outdoor unit after determining that outdoor unit powers on,
To guarantee outdoor unit normal boot-strap.
The embodiment of the third aspect according to the present utility model provides a kind of transducer air conditioning, comprising: as this is practical new
Power-supplying circuit described in any one of type first aspect technical solution.
Specifically, transducer air conditioning includes outdoor unit and indoor unit, be provided with the first relay and the second relay and
The power-supplying circuit of current-limiting resistance is arranged on the circuit board of machine indoors, while reducing transducer air conditioning energy consumption, also
Conducive to the optimization of outdoor unit inner space.
The embodiment of fourth aspect according to the present utility model provides a kind of computer readable storage medium, deposits thereon
Computer program is contained, computer program is performed, and is realized such as the method for controlling power supply that any of the above-described embodiment limits
Step.
The additional aspect and advantage of the utility model will provide in following description section, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 shows the schematic diagram of power-supplying circuit in the related technology；
Fig. 2 shows the schematic diagrames of the power-supplying circuit of one embodiment according to the present utility model；
Fig. 3 shows the schematic flow diagram of the method for controlling power supply of one embodiment according to the present utility model.
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, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " length ", " width ", " thickness ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result,
Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Embodiment one
As shown in Fig. 2, the power-supplying circuit of one embodiment according to the present utility model, is suitable for air conditioner, air-conditioning
Device includes the indoor unit and outdoor unit of mutual Electricity Federation, and power-supplying circuit includes the control mould group and first being set in indoor unit
Relay RY1, control mould group are powered to outdoor unit power supply or cutting for controlling the first relay RY1, are provided on outdoor unit
Filter capacitor, power-supplying circuit further include: the second relay RY2 and current-limiting resistance PTC being serially connected, the second relay
RY2 be electrically connected to control mould group, get power on instruction when, control mould group control the second relay RY2 closure, to filtering
Capacitor charges, and after filter capacitor charging, control mould group control disconnects the second relay RY2, and controls closure the
One relay RY1, to be powered to outdoor unit, wherein the first relay RY1 is capacity relay, the second relay RY2
For low capacity relay.
Wherein, control mould group includes CPU as shown in Figure 2.
In this embodiment, by the way that the large capacity being arranged in the second relay RY2 and original scheme of low capacity is arranged
First relay RY1 cooperation is respectively arranged on interior circuit plate and outdoor circuit board with replacing being set in the prior art
On capacity relay, complete to the charging operations of the filter capacitor on outdoor unit after, outdoor unit is normally powered on, with protect
The smooth starting operation for demonstrate,proving outdoor unit, since the second relay RY2 is in series with current-limiting resistance PTC, allows to flow through smaller value
Control electric current, and then be arranged low capacity the second relay RY2 can meet circuit configuration demand, thus by increase little Rong
Second relay RY2 of amount simultaneously cancels the capacity relay on outdoor circuit board, on the one hand, can reduce circuit power consumption, separately
On the one hand, no matter by the second relay RY2 and current-limiting resistance PTC be set on interior circuit plate or outdoor circuit board on, all
Circuit board space can be saved, to be conducive to optimize air conditioner inner space or be conducive to the small of air-conditioner outdoor unit
Typeization setting.
Specifically, when air conditioner powers on, indoor unit is first powered on, and the first relay RY1 is in an off state at this time, in room
When outer machine needs electrifying startup, the second relay RY2 closure is controlled first, using the electric current by flowing through current-limiting resistance PTC as room
Filter capacitor in outer machine charges, by carrying out current limliting to charging current, to prevent the excessive damage filtered electrical of charging current
Hold and is generated heat after a period of time of charging, resistance value becomes larger, charging current with the second relay RY2 due to current-limiting resistance ptc characteristics
Then smaller and smaller, the filter capacitor charging of large capacity finishes, and by the way that filter capacitor is arranged, is detecting the unexpected power down of outdoor unit
When, so that supply voltage is not suddenly disappeared by filter capacitor electric discharge, and then prevent the unexpected power down of circuit from damaging, to filter
After wave capacitor charging, control the first relay RY1 of closure, to be powered to outdoor unit, to guarantee that outdoor unit can
Normal boot-strap.
Wherein, it will be understood by those skilled in the art that, relay capacity or contact capacity are by allowing to flow through relay
Rated current determines that rated current is bigger, and the wire coil in relay can be thicker, and the volume of relay will be bigger, specified
Electric current is smaller, and the wire coil in relay then can be thinner, and the volume of relay will be smaller, therefore uses low capacity relay
Instead of capacity relay, be conducive to save the device space.
Embodiment two
The specific setting position of second relay RY2 and current-limiting resistance PTC is further limited, i.e., by the second relay
Device RY2 and current-limiting resistance PTC are set in indoor unit.
In this embodiment, by the way that the second relay RY2 and current-limiting resistance PTC to be all set in indoor unit, cancelling
While capacity relay on outdoor unit, the setting of thermistor on outdoor unit is also eliminated, on the one hand, be conducive into one
Step saves the circuit board space of outdoor unit, on the other hand, is also convenient for control of the control mould group for the second relay RY2.
Wherein, current-limiting resistance PTC is specially thermistor.
In any of the above-described embodiment, it is preferable that the first input end of control mould group is connected to alternating current zero line side ACN,
Second input terminal of control mould group is connected to alternating current zero line ACL by current-limiting resistance PTC, wherein passes through city in control mould group
During electric control charges to filter capacitor, the resistance value of current-limiting resistance PTC is gradually increased, so that the charging current of filter capacitor
It is gradually reduced, until filter capacitor charging finishes.
In this embodiment, air conditioner is powered by alternating current, the specific setting side of one kind as current-limiting resistance PTC
Formula, alternating current zero line ACL are connected to control mould group by current-limiting resistance PTC, to prevent to control mould group input high current.
Embodiment three
In any of the above-described embodiment, it is preferable that the first coil end 1 of the second relay RY2 is connected to external direct current
Power supply, the second coil-end 2 of the second relay RY2 are connected to control mould group, the first tip side 3 connection of the second relay RY2
To the outdoor power CON firewire of outdoor unit, the second tip side 4 of the second relay RY2 is connected to the another of current-limiting resistance PTC
End, to carry out current limliting by current-limiting resistance PTC, wherein the outdoor power CON zero curve of outdoor unit when filter capacitor is charged
It is connected to alternating current zero line side ACN.
In this embodiment, as the second relay RY2 with a kind of specific connection type, the line of the second relay RY2
Circle both ends are respectively connected to control mould group and external direct current power supply, the contact both ends of the second relay RY2 are respectively connected to current limliting
Resistance PTC and outdoor power CON firewire cooperate with external direct current power supply, make to input different voltage values by controlling mould group
Coil both ends generate voltage official post contact closure, or eliminate voltage official post contact and disconnect, and in contact closure, pass through current-limiting resistance
Electric current after PTC current limliting is input to outdoor unit by the contact being closed and outdoor power CON firewire, with the filtered electrical to outdoor unit
Appearance charges, and is cooperated by the second relay RY2 and concatenated current-limiting resistance PTC of small capacitances to outdoor unit to realize
The function that filter capacitor charges.
Example IV
In any of the above-described embodiment, it is preferable that the first coil end 1 of the first relay RY1 is connected to external direct current
Power supply, the second coil-end 2 of the first relay RY1 are connected to control mould group, the first tip side 3 connection of the first relay RY1
To outdoor power CON firewire, the second tip side 4 of the first relay RY1 is connected to alternating current zero line ACL, to pass through alternating current pair
Outdoor unit power supply.
In this embodiment, as the first relay RY1 with a kind of specific connection type, the line of the first relay RY1
Circle both ends are respectively connected to control mould group and external direct current power supply, the contact both ends of the second relay RY2 are respectively connected to alternating current
Zero line ACL and outdoor fire-wire power export alternating current to outdoor unit with the contact closure by the second relay RY2 of control,
It is operated normally with controlling powerful device, such as compressor etc. on outdoor unit.
In any of the above-described embodiment, it is preferable that the relay by coil rating electric current less than or equal to 16A is determined as
Low capacity relay, the relay by peak coil current greater than 16A are determined as capacity relay.
In this embodiment, a kind of limited way as large bulk capacitance and low capacity capacitor, can be by coil rating
Coil rating electric current is greater than by relay of the electric current less than or equal to 16A as low capacity relay, i.e. the second relay RY2
The relay of 16A is as capacity relay, i.e. the first relay RY1.
In any of the above-described embodiment, it is preferable that the supply voltage of external direct current power supply is 12V.
In any of the above-described embodiment, it is preferable that further include: communications module is respectively connected to control mould group and outdoor
Machine, for sending starting operating instruction to outdoor unit when detecting the first relay RY1 closure, to control outdoor unit booting.
In this embodiment, by the way that communications module is arranged on machine indoors, to realize the letter between indoor unit and outdoor unit
Breath interaction, so that after i.e. the first relay RY1 closure, starting operating instruction is sent to outdoor unit after determining that outdoor unit powers on,
To guarantee outdoor unit normal boot-strap.
Embodiment five:
As shown in figure 3, the method for controlling power supply of embodiment according to the present utility model, comprising:
Step 302, in response to powering on instruction, control the second relay of closure, to the filtered electrical being set on outdoor unit
Appearance charges；
Step 304, after detecting to filter capacitor charging, control disconnects the second relay, and controls closure the
One relay, so that outdoor unit powers on.
In this embodiment, by being arranged the first of the large capacity being arranged in the second relay and original scheme of low capacity
Relay cooperation, with replace being set in the prior art be respectively arranged on interior circuit plate and outdoor circuit board on great Rong
Relay is measured, after completing to the charging operations of the filter capacitor on outdoor unit, outdoor unit is normally powered on, to guarantee outdoor unit
Smooth starting operation, since the second relay is in series with current-limiting resistance, allow to flow through the control electric current of smaller value, in turn
The second relay that low capacity is arranged can meet circuit configuration demand, to by the second relay for increasing low capacity and take
The capacity relay to disappear on outdoor circuit board, on the one hand, can reduce circuit power consumption, on the other hand, no matter by the second relay
Device and current-limiting resistance are set on interior circuit plate on still outdoor circuit board, circuit board space can be saved, thus favorably
In the miniaturization setting that air-conditioner outdoor unit is optimized or be conducive to air conditioner inner space.
Specifically, detection filter capacitor whether charging complete, can by detect charging duration whether reach preset duration
Threshold value determines, can also be determined by detecting the variation of charging circuit.
In the above embodiment, it is preferable that further include: after detecting the first relay closure, opened to outdoor unit transmission
Dynamic operating instruction, to control outdoor unit booting.
In this embodiment, by the way that communications module is arranged on machine indoors, to realize the letter between indoor unit and outdoor unit
Breath interaction, so that after i.e. the first relay closure, starting operating instruction is sent to outdoor unit after determining that outdoor unit powers on, with
Guarantee outdoor unit normal boot-strap.
The transducer air conditioning of embodiment according to the present utility model, comprising: for automatically controlled described in any of the above-described embodiment
Circuit processed.
Specifically, transducer air conditioning includes outdoor unit and indoor unit, be provided with the first relay and the second relay and
The power-supplying circuit of current-limiting resistance is arranged on the circuit board of machine indoors, while reducing transducer air conditioning energy consumption, also
Conducive to the optimization of outdoor unit inner space.
The utility model indoors in machine more one low capacity relay of installation to realize save outdoor unit large capacity after
The purpose of electric appliance and outdoor unit thermistor.
As shown in Fig. 2, indoor unit is first powered when air conditioner powers on, and outdoor unit is due to the first relay RY1 and second
Relay RY2 is in an off state without being powered, the control mould group control second when needing to open outdoor unit, in indoor unit
Relay RY2 closure, alternating current are outdoor by thermistor PTC, the second relay RY2 and indoor and outdoor electric power connection line CON
The filter capacitor of machine large capacity charges.
After the charging of the filter capacitor of large capacity, control the first relay RY1 of closure, and control and disconnect the second relay
Device RY2, and notify outdoor unit to power on completion by communication module, to guarantee normal boot-strap.
By the way that the presence of the second relay RY2 is arranged, it can be avoided and repeat installation large capacity on the circuit board of outdoor unit
Relay and thermistor, and the board area of outdoor unit can be reduced, to advantageously reduce being prepared into for air conditioner
This.
The computer readable storage medium of one embodiment according to the present utility model, is stored thereon with computer program,
The step of computer program is performed, and realizes the method for controlling power supply such as the restriction of any of the above-described embodiment.
Compared with prior art, embodiment disclosed in technical scheme at least have it is following the utility model has the advantages that
(1) cancel the capacity relay on outdoor unit for being shorted the current-limiting resistance on outdoor unit, by the way that phase is arranged
Mutual concatenated low capacity relay and current-limiting resistance, to reduce preparation cost and reduce equipment energy consumption.
(2) by cancelling the high-current relay of outdoor unit, to reduce the occupancy to outdoor unit circuit board space.
The technical solution of the utility model is had been described in detail above with reference to the accompanying drawings, by the technical solution of the utility model,
By increasing the second relay of low capacity and cancelling the capacity relay on outdoor circuit board, on the one hand, can reduce electricity
Road power consumption, on the other hand, no matter by the second relay and current-limiting resistance be set on interior circuit plate or outdoor circuit board on,
Circuit board space can be saved, to be conducive to optimize air conditioner inner space or be conducive to air-conditioner outdoor unit
Miniaturization setting.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (9)
1. a kind of power-supplying circuit is suitable for air conditioner, the air conditioner includes the indoor unit and outdoor unit of mutual Electricity Federation,
It is characterized in that, the power-supplying circuit includes the control mould group being set in the indoor unit and the first relay, the control
Power supply is powered to the outdoor unit or cut off to molding group for controlling first relay, is provided with filtering on the outdoor unit
Capacitor, the power-supplying circuit further include:
The second relay and current-limiting resistance being serially connected, second relay are electrically connected to the control mould group,
Get power on instruction when, the control mould group controls the second relay closure, to fill to the filter capacitor
Electricity, after filter capacitor charging, the control mould group control disconnects second relay, and controls closure first
Relay, to be powered to the outdoor unit,
Wherein, first relay is capacity relay, and second relay is low capacity relay.
2. power-supplying circuit according to claim 1, which is characterized in that
Second relay and the current-limiting resistance are set in the indoor unit.
3. power-supplying circuit according to claim 2, which is characterized in that
The first input end of the control mould group is connected to alternating current zero line side；
Second input terminal of the control mould group is connected to the alternating current zero line by the current-limiting resistance,
Wherein, during the control mould group charges to the filter capacitor by city's electric control, the current limliting electricity
The resistance value of resistance is gradually increased, so that the charging current of the filter capacitor is gradually reduced, until filter capacitor charging finishes.
4. power-supplying circuit according to claim 3, which is characterized in that
The first coil end of second relay is connected to external direct current power supply, and the second coil-end of second relay connects
It is connected to the control mould group, the first tip side of second relay is connected to the outdoor power firewire of outdoor unit, and described
Second tip side of two relays is connected to the other end of the current-limiting resistance, with when the filter capacitor is charged, by
The current-limiting resistance carries out current limliting,
Wherein, the outdoor power zero curve of the outdoor unit is connected to the alternating current zero line side.
5. power-supplying circuit according to claim 4, which is characterized in that
The first coil end of first relay is connected to the external direct current power supply, the second coil of first relay
End is connected to the control mould group, and the first tip side of first relay is connected to the outdoor power firewire, and described the
Second tip side of one relay is connected to the alternating current zero line, to be powered by alternating current to the outdoor unit.
6. power-supplying circuit according to claim 1, which is characterized in that
Relay by coil rating electric current less than or equal to 16A is determined as the low capacity relay, by peak coil current
It is determined as the capacity relay greater than the relay of 16A.
7. power-supplying circuit according to claim 4, which is characterized in that
The supply voltage of the external direct current power supply is 12V.
8. power-supplying circuit according to any one of claim 1 to 7, which is characterized in that further include:
Communications module is respectively connected to the control mould group and the outdoor unit, for detecting that first relay closes
When conjunction, Xiang Suoshu outdoor unit sends starting operating instruction, to control the outdoor unit booting.
9. a kind of transducer air conditioning characterized by comprising
Such as power-supplying circuit described in any item of the claim 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071616.6U CN209169958U (en) | 2019-01-16 | 2019-01-16 | Power-supplying circuit and transducer air conditioning |
| PCT/CN2019/088306 WO2020147234A1 (en) | 2019-01-16 | 2019-05-24 | Power supply control circuit and inverter air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071616.6U CN209169958U (en) | 2019-01-16 | 2019-01-16 | Power-supplying circuit and transducer air conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169958U true CN209169958U (en) | 2019-07-26 |
Family
ID=67328609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920071616.6U Active CN209169958U (en) | 2019-01-16 | 2019-01-16 | Power-supplying circuit and transducer air conditioning |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209169958U (en) |
| WO (1) | WO2020147234A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959060A (en) * | 2021-10-22 | 2022-01-21 | 四川长虹空调有限公司 | Power-on control circuit, detection circuit and fault judgment method of air conditioner outdoor unit |
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07308020A (en) * | 1994-05-10 | 1995-11-21 | Hitachi Ltd | Air-conditioner |
| CN203980501U (en) * | 2014-08-20 | 2014-12-03 | 中国扬子集团滁州扬子空调器有限公司 | The off-premises station control circuit of transducer air conditioning |
| CN204794747U (en) * | 2015-06-24 | 2015-11-18 | 广州视源电子科技股份有限公司 | Power supply circuit of air conditioner |
| CN105207513B (en) * | 2015-09-29 | 2018-02-06 | 广东美的制冷设备有限公司 | SPM and air conditioner |
-
2019
- 2019-01-16 CN CN201920071616.6U patent/CN209169958U/en active Active
- 2019-05-24 WO PCT/CN2019/088306 patent/WO2020147234A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113959060A (en) * | 2021-10-22 | 2022-01-21 | 四川长虹空调有限公司 | Power-on control circuit, detection circuit and fault judgment method of air conditioner outdoor unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020147234A1 (en) | 2020-07-23 |
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