CN108709294A - Power supply circuit, controller of electric appliance, control method of controller and air conditioner - Google Patents
Power supply circuit, controller of electric appliance, control method of controller and air conditioner Download PDFInfo
- Publication number
- CN108709294A CN108709294A CN201810790942.2A CN201810790942A CN108709294A CN 108709294 A CN108709294 A CN 108709294A CN 201810790942 A CN201810790942 A CN 201810790942A CN 108709294 A CN108709294 A CN 108709294A
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- CN
- China
- Prior art keywords
- power supply
- supply circuit
- power
- controller
- different
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000004378 air conditioning Methods 0.000 claims description 17
- 239000002826 coolant Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- F24F11/88—Electrical aspects, e.g. circuits
-
- 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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a power supply circuit, a controller of an electric appliance, a control method of the controller and an air conditioner. The power supply circuit comprises at least two different power supply branches, different power conversion modules are arranged on the different power supply branches, the power supply branches are connected with the load, each power supply branch is provided with a switch device, the power supply circuit further comprises a control module connected with the switch devices and used for controlling the on-off of the switch devices on the power supply branches so as to select one of the at least two different power supply branches as the power supply of the load. The power supply circuit provided by the invention can provide various power supply schemes for loads, and the power supply schemes can be selected under the control of the control module according to specific requirements, so that the application universality of the power supply circuit is greatly improved.
Description
Technical field
The present invention relates to technical field of electric appliances, especially a kind of power supply circuit, the controller of electric appliance and its control method, sky
It adjusts.
Background technology
With the expansion in air conditioning applications field, user is also higher and higher to the performance requirement of air-conditioning itself, such as in the wild
The outer air conditioner main function of monoblock type shelter used under extreme climate environment is that the humiture in cabin is adjusted, this is just
It is required that air-conditioning equipment can be run under wider environment temperature.And the power supply of the control panel usually in existing air-conditioning equipment
It is single, be difficult to adapt to temperature span variation so big application scenarios, to influence the use reliability of air-conditioning equipment.
Invention content
In view of this, one of the objects of the present invention is to provide a kind of power supply circuit, the controller of electric appliance and its controlling parties
Method, air-conditioning, to solve the problems, such as that power supply existing in the prior art is single.
In order to achieve the above objectives, in a first aspect, the present invention adopts the following technical scheme that：
A kind of power supply circuit, for being load supplying, the power supply circuit includes at least two different power supply branches, no
Same power supply branch road is provided with different power conversion modules, and the power supply branch is connected with the load, each confession
Electric branch road is both provided with switching device, and the power supply circuit further includes the control module being connected with the switching device, is used for
The opening and closing for controlling the switching device of each power supply branch road, to select one in described at least two different power supply branches
A is the load supplying.
Preferably, different power conversion modules is suitable for working under different temperature environments.
Preferably, described at least two different power supply branches include the first power supply branch and the second power supply branch, setting
Power conversion module on first power supply branch road includes linear stabilized power supply, is arranged on second power supply branch road
Power conversion module includes DC-DC power source.
Preferably, the control module includes the driving electricity being connected respectively from the switching device of different power supply branch roads
Road, the driving circuit can output voltage signal to drive the opening and closing of the switching device.
Preferably, described at least two different power supply branches are connected with switching power circuit.
Preferably, the switching device includes relay.
Second aspect, the present invention adopt the following technical scheme that：
A kind of controller of electric appliance, the controller include electrical component, further include power supply circuit as described above, described
Power supply circuit is used to power for the electrical component.
The third aspect, the present invention adopt the following technical scheme that：
A kind of control method of the controller of electric appliance as described above, according to the environment temperature of environment where the controller
And/or the working condition of the electric appliance selects the different power supply branches in the power supply circuit to power for the electrical component.
Preferably, the electric appliance includes coolant circulating system, and the coolant circulating system has refrigeration mode and heating
Pattern, the power supply circuit are above-mentioned power supply circuit, and the control method includes：
When the coolant circulating system runs refrigeration mode, the second power supply branch is selected to be supplied for the electrical component
Electricity；And/or
When the coolant circulating system runs heating mode, the first power supply branch is selected to be supplied for the electrical component
Electricity.
Fourth aspect, the present invention adopt the following technical scheme that：
A kind of air-conditioning, including controller as described above.
Power supply circuit provided by the invention includes at least two different power supply branches, and different power supply branch roads is arranged
There is different power conversion modules, control module can control the opening and closing of the switching device of each power supply branch road, to select it
In a power supply branch be load supplying, so, it is possible for load a variety of power supply schemes are provided, can be according to specific need
It asks the control by control module to be powered the selection of power source design, substantially increases the widely applicable property of power supply circuit.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the circuit diagram for the power supply circuit that the specific embodiment of the invention provides.
In figure, the 1, first power supply branch；2, the second power supply branch；3, first switch device；4, second switch device；5,
One power conversion module；6, second source conversion module；7, switching power circuit；8, it loads；91, the first driving circuit；92,
Two driving circuits.
Specific implementation mode
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.In order to
The essence for the present invention that avoids confusion, there is no narrations in detail for well known method, process, flow, element.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being containing for " including but not limited to "
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indicating or implying relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
This application provides a kind of power supply circuits, as shown in Figure 1, it is used to power for load 8, for example, the power supply circuit
For the power supply circuit on the controller of electric appliance is arranged, the electrical component for being used for device in order to control is powered.
The power supply circuit includes at least two different power supply branches, such as is powered including the first power supply branch 1 and second
Branch 2, power supply branch are connected with load 8, with for 8 power supply of load, different power supply branch roads is provided with different power conversions
Module, power conversion module carry out steady pressure treatment for carrying out power conversion, such as to the voltage of input load.
Further, each power supply branch is connected with switching power circuit 7, as shown in Figure 1, the filtered rectification of alternating current
Weak electric signal is exported to switching power circuit 7, weak electric signal can give load 8 power supply by different power supply branches.
Each power supply branch road is both provided with switching device, and power supply circuit further includes the control mould being connected with switching device
Block, the opening and closing of the switching device for controlling each power supply branch road, to select one of power supply branch for 8 power supply of load,
It so, it is possible to provide a variety of power supply schemes for load 8, can be carried out by the control of control module according to specific demand
The selection of power supply scheme substantially increases the widely applicable property of power supply circuit.
Further, different power conversion modules is suitable for working under different temperature environments, in this way, working as environment temperature
When changing, the power supply branch where the power conversion module suitable for Current Temperatures environment can be selected by control module is negative
8 power supplies are carried, to ensure that power supply circuit can work normally under different temperature environments, improve the reliability of its work, are fitted
It is wider with range.
In a specific embodiment, as shown in Figure 1, at least two different power supply circuits include the first power supply branch
1 and the second power supply branch 2, first switch device 3 and the first power conversion module 5 are provided on the first power supply branch 1, and second supplies
Second switch device 4 and second source conversion module 6 are provided on electric branch 2, wherein the first power conversion module 5 be suitable for
The power conversion module to work under lower temperature environments, such as can be linear stabilized power supply as shown in Figure 1, linear voltage stabilization
Power-converting circuit in power supply can suitably promote device temperature liter to resist extremely cold circumstance temperature, and second source conversion module 6 is
Suitable for the power conversion module to work under higher temperature environment, such as can be DC-DC power source as shown in Figure 1, especially
The DC-DC power source of low-power consumption will not bring additional heating problem, to keep good property under higher temperature environment
Energy.
Optionally, switching device is relay, for example, in the embodiment shown in fig. 1, first switch device 3 is first
Relay K1, second switch device 4 are the second relay K2.
Optionally, control module includes driving circuit connected from the switching device on different power supply circuits respectively, example
Such as, in the embodiment shown in fig. 1, control module include the first driving circuit 91 being connected with first switch device 3 and with
The second connected driving circuit 92 of second switch device 4, when it is 8 power supply of load to need the first power supply branch 1, the first driving electricity
Road 91 export low level so that the coil of the first relay K1 obtain it is electric so that the first relay K1 switch be closed, in this
Meanwhile second driving circuit 92 so that the second relay K2 coil must not electricity, the switch of the second relay disconnects, at this moment gives negative
Carry 8 power supplies is linear stabilized power supply.And when it is 8 power supply of load to need the second power supply branch 2, the second driving circuit 92 is defeated
Go out low level so that the coil of the second relay K2 obtain it is electric so that the second relay K2 switch be closed, simultaneously,
So that the coil of the first relay K1 must not be electric, the switch of the first relay K1 disconnects first driving circuit 91, at this moment gives load 8
Power supply is DC-DC power source.Wherein, the output of the first driving circuit 91 and the second driving circuit 92 can be respectively by chip I 01
It is controlled with chip I 02.
Further, present invention also provides a kind of controller of electric appliance, controller includes electrical component, further includes above-mentioned
Power supply circuit, power supply circuit for electrical component for being powered, to improve the diversity of electrical component power supply plan.
Further, present invention also provides the control methods of the controller of above-mentioned electric appliance, according to environment where controller
Environment temperature and/or electric appliance working condition come to select the different power supply branches in power supply circuit be electrical component power supply, example
Such as, when detecting that environment temperature is higher, the power supply branch where the power conversion module for being suitable for working under hot environment may be selected
Road is powered, and when detecting that environment temperature is relatively low, the power conversion module place suitable for working under low temperature environment may be selected
Power supply branch be powered.It is of course also possible to judge the height of current environmental temperature, example according to the working condition of electric appliance
Such as, when electric appliance includes coolant circulating system, for example, electric appliance be air-conditioning when, coolant circulating system have refrigeration mode and heating mould
Block illustrates that environment temperature is higher when coolant circulating system runs refrigeration mode, and selection at this time is suitable for working under hot environment
Power supply branch where power conversion module is powered, and when coolant circulating system runs heating mode, illustrate environment temperature
Spend relatively low, the power supply branch that selection is suitable under low temperature environment where the power conversion module that works at this time is powered.
Below its control method is specifically introduced so that circuit shown in FIG. 1 is applied to the master control borad of air-conditioning as an example：
When user selects refrigeration mode, caused by outer machine operating mode (operating mode is hot weather), air-conditioning under refrigeration mode
Outer machine goes out hot wind, and circumstance temperature also can be relatively high inside equipment, and at this moment air-conditioning mainboard device temperature also can be high, therefore need to select low-power consumption
Second power supply branch 2, when master chip detects it is in refrigeration mode when, chip I/O 2 control the second driving circuit 92 drag down electricity
It is flat, so that the second relay K2 coils is obtained electric, is closed to the switch of the second relay K2, at the same time, the control of chip I/O 1 first
Driving circuit 91 keeps the first relay K1 coils electric, and the switch of the first relay K1 disconnects, and at this moment powering load is
For the DC-DC power source of low-power consumption.Under the operating mode, mainboard using low-power consumption DC-DC power source will not extra band asked to generate heat
Topic, and the regulated power supply scheme that compares can reduce heat, therefore have certain improvement to high-temperature refrigeration performance.
When user selects heating mode, caused by outer machine operating mode (operating mode is weather cold), air-conditioning under heating mode
Outer machine goes out cold wind, and circumstance temperature also can be relatively low inside equipment, and air-conditioning mainboard device temperature also can be low, therefore need to use linear voltage regulator institute
The first power supply branch 1, it is appropriate to promote device temperature liter to resist extremely cold circumstance temperature, when master chip is detected in heating mode
When, chip I/O 1 controls the first driving circuit 91 and drags down level, so that the first relay K1 coils is obtained electric, to the first relay K1
Switch be closed, at the same time, chip I/O 2 control the second driving circuit 92 make the second relay K2 coils must not electricity, second after
The switch of electric appliance K2 disconnects, and at this moment powering load is linear stabilized power supply, the radiating block on voltage-stablizer can generate heat for
It is appropriate to resist cold environment temperature.Under the operating mode, mainboard compares lower power consumption using linear stabilized power supply self-radiating block
DC-DC power source can discharge heat, have certain improvement to heating performance under low temperature.
Present invention also provides a kind of air-conditionings, have above-mentioned controller, and various temperature rings are adapted to improve air-conditioning
The ability in border.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each preferred embodiment can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the basic of the present invention
In the case of principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details be made
It changes, is all included in scope of the presently claimed invention.
Claims (10)
1. a kind of power supply circuit, for being load supplying, which is characterized in that the power supply circuit includes at least two different confessions
Electric branch, different power supply branch roads are provided with different power conversion modules, and the power supply branch is connected with the load, often
A power supply branch road is both provided with switching device, and the power supply circuit further includes the control mould being connected with the switching device
Block, the opening and closing of the switching device for controlling each power supply branch road, to select described at least two different power supply branch
One in road is the load supplying.
2. power supply circuit according to claim 1, which is characterized in that different power conversion modules is suitable in different temperature
It works under degree environment.
3. power supply circuit according to claim 1 or 2, which is characterized in that described at least two different power supply branch packets
The first power supply branch and the second power supply branch are included, it includes linear steady that the power conversion module on first power supply branch road, which is arranged,
Voltage source, the power conversion module being arranged on second power supply branch road includes DC-DC power source.
4. power supply circuit according to claim 1 or 2, which is characterized in that the control module include respectively from it is different
Power the connected driving circuit of switching device of branch road, the driving circuit can output voltage signal to drive the switch
The opening and closing of device.
5. power supply circuit according to claim 1 or 2, which is characterized in that described at least two different power supply branches are equal
It is connected with switching power circuit.
6. power supply circuit according to claim 1 or 2, which is characterized in that the switching device includes relay.
7. a kind of controller of electric appliance, which is characterized in that the controller includes electrical component, further includes such as claim 1 to 6
One of described in power supply circuit, the power supply circuit be used for for the electrical component power.
8. a kind of control method of the controller of electric appliance as claimed in claim 7, which is characterized in that according to the controller institute
Different power supply branches in the environment temperature of environment and/or the working condition of the electric appliance select the power supply circuit are described
Electrical component is powered.
9. control method according to claim 8, which is characterized in that the electric appliance includes coolant circulating system, described
Coolant circulating system has refrigeration mode and heating mode, and the power supply circuit is the power supply circuit described in claim 3, described
Control method includes：
When the coolant circulating system runs refrigeration mode, the second power supply branch is selected to power for the electrical component；
And/or
When the coolant circulating system runs heating mode, the first power supply branch is selected to power for the electrical component.
10. a kind of air-conditioning, which is characterized in that including controller as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790942.2A CN108709294B (en) | 2018-07-18 | 2018-07-18 | Power supply circuit, controller of electric appliance, control method of controller and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790942.2A CN108709294B (en) | 2018-07-18 | 2018-07-18 | Power supply circuit, controller of electric appliance, control method of controller and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108709294A true CN108709294A (en) | 2018-10-26 |
| CN108709294B CN108709294B (en) | 2024-05-10 |
Family
ID=63874109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810790942.2A Active CN108709294B (en) | 2018-07-18 | 2018-07-18 | Power supply circuit, controller of electric appliance, control method of controller and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108709294B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6181583B1 (en) * | 1999-01-19 | 2001-01-30 | Matsushita Electric Industrial Co., Ltd. | Power supply device and air conditioner using the same |
| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electric appliance and control circuit and method thereof |
| CN203704249U (en) * | 2014-01-02 | 2014-07-09 | 海尔集团公司 | Air conditioner and control system with lower power consumption thereof |
| CN208750951U (en) * | 2018-07-18 | 2019-04-16 | 珠海格力电器股份有限公司 | Power supply circuit, controller of electric appliance and air conditioner |
-
2018
- 2018-07-18 CN CN201810790942.2A patent/CN108709294B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6181583B1 (en) * | 1999-01-19 | 2001-01-30 | Matsushita Electric Industrial Co., Ltd. | Power supply device and air conditioner using the same |
| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electric appliance and control circuit and method thereof |
| CN203704249U (en) * | 2014-01-02 | 2014-07-09 | 海尔集团公司 | Air conditioner and control system with lower power consumption thereof |
| CN208750951U (en) * | 2018-07-18 | 2019-04-16 | 珠海格力电器股份有限公司 | Power supply circuit, controller of electric appliance and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108709294B (en) | 2024-05-10 |
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