CN109751743A - The full DC driven air-conditioner control system and air conditioner of reversed function are prevented with power supply - Google Patents
The full DC driven air-conditioner control system and air conditioner of reversed function are prevented with power supply Download PDFInfo
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- CN109751743A CN109751743A CN201811480860.4A CN201811480860A CN109751743A CN 109751743 A CN109751743 A CN 109751743A CN 201811480860 A CN201811480860 A CN 201811480860A CN 109751743 A CN109751743 A CN 109751743A
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Abstract
The present invention relates to a kind of full DC driven air-conditioner control systems and air conditioner that reversed function is prevented with power supply, comprising: filter circuit, circuit for preventing reverse connection of power supply, power management module, DC load module and main control unit.The direct current that technical solution of the present invention can directly utilize the clean energy resourcies such as solar energy, wind energy to provide drives mode using straight, and operating voltage is direct current 385V~600V, without inversion, the production cost of enterprise is reduced, energy utilization rate is improved, clean energy resource is more rationally utilized, it is more environmentally-friendly；Using circuit for preventing reverse connection of power supply, the Electrical Safety of proof load.
Description
Technical field
The invention belongs to intelligent household appliance control technology field more particularly to a kind of full direct currents that reversed function is prevented with power supply
Drive air-conditioner control system and air conditioner.
Background technique
Smart home enters people's lives quietly at present, requires increasingly comfortable living environment quality
It is high.Air-conditioning equipment has become the necessity of Modern Family, and energy temperature-lowering heatstroke is warming, provides a comfortable living environment.
The air conditioner of current market offers generallys use AC power supply, and power supply mode is single, and with resource consumption
Problem becomes increasingly conspicuous, and how more rationally to have obtained more and more extensive concern using clean energy resourcies such as solar energy, wind energies, by
What is come in solar energy, wind energy transformation is direct current, and generally requiring to first pass through could be empty after inversion is converted to alternating current
Device is adjusted to utilize, energy utilization rate is not high, while increasing the production cost of enterprise.
Accordingly, it is desirable to provide a kind of prevent that the full DC driven air-conditioner control system of reversed function is existing to solve with power supply
The deficiency of technology.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides a kind of full direct currents that reversed function is prevented with power supply
Drive air-conditioner control system and air conditioner.
A kind of full DC driven air-conditioner control system for preventing reversed function with power supply, comprising: filter circuit, power supply counnter attack
Circuit, power management module, DC load module and main control unit are connect,
The input terminal of the filter circuit is connected to DC power supply terminal, for filtering to the DC power signal
Wave；
The circuit for preventing reverse connection of power supply is connect with the filter circuit, for preventing the DC power signal terminal anti-
It connects；
The power management module is connect with the circuit for preventing reverse connection of power supply, DC load module and main control unit respectively,
Power supply is provided for the DC power signal to be converted into different voltage for the DC load module and main control unit；
The main control unit is connect with the DC load module, for driving the DC load module.
Further, the filter circuit include: fuse, varistor, NTC resistance, common mode inductance, first capacitor and
Second capacitor,
The first end of the fuse is connect with the positive terminal of the DC power supply terminal, second end respectively with the pressure
The first end of quick resistance is connected with the first end of NTC resistance；
The second end of the varistor is negative with the first end of second capacitor and the DC power supply terminal respectively
Extreme son connection；
The second end of second capacitor is grounded；
The second end of the NTC resistance is connect with the first end of the common mode inductance；
The second end of the common mode inductance is connect with the first end of the first capacitor and positive output terminals respectively；
The second end of the first capacitor is connect with the first end of second capacitor and negative output terminals respectively.
Further, the reverse-connection preventing circuit includes: the first one way conducting device and the second one way conducting device,
The first end of first one way conducting device is connect with the positive output terminals, and second end and the direct current are negative
Carry the first end connection of module；
The second end of the DC load module is connect with the negative output terminals；
The first end of second one way conducting device is connect with the positive output terminals, second end and the power supply pipe
Manage the connection of module first end；
The second end of the power management module is connect with the negative output terminals.
Further, first one way conducting device includes diode or triode, second one way conducting device
For diode or triode.
Further, the reverse-connection preventing circuit includes: third one way conducting device, and the third conduction device is set to institute
It states between the first end of varistor and the first end of the first capacitor.
Further, the third one way conducting device is diode or triode.
Further, the reverse-connection preventing circuit includes: the 4th one way conducting device, the 4th one way conducting device and institute
Varistor parallel connection is stated, the first end of the 4th one way conducting device is set to the first end and described first of the fuse
Between the first end of capacitor.
Further, the 4th one way conducting device is diode or triode.
A kind of air conditioner, including any of the above-described full DC driven airconditioning control system for preventing reversed function with power supply
System.
Technical solution provided by the invention has the advantages that compared with the immediate prior art
Technical solution provided by the invention includes filter circuit, circuit for preventing reverse connection of power supply, power management module, DC load
Module and main control unit, the direct current that can directly utilize the clean energy resourcies such as solar energy, wind energy to provide drive mode, nothing using straight
Inversion is needed, the production cost of enterprise is reduced, improves energy utilization rate, more rationally utilizes clean energy resource, it is more environmentally-friendly；It adopts
With circuit for preventing reverse connection of power supply, the Electrical Safety of proof load.
Detailed description of the invention
Fig. 1 is the full DC driven air-conditioner control system schematic diagram for preventing reversed function in the embodiment of the present invention with power supply；
Fig. 2 is filter circuit schematic diagram in the embodiment of the present invention；
Fig. 3 is a kind of reverse-connection preventing circuit schematic diagram in the embodiment of the present invention；
Fig. 4 is another reverse-connection preventing circuit schematic diagram in the embodiment of the present invention；
Fig. 5 is another reverse-connection preventing circuit schematic diagram in the embodiment of the present invention；
Fig. 6 is another reverse-connection preventing circuit schematic diagram in the embodiment of the present invention；
Fig. 7 is power management module schematic diagram in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention provides a kind of full DC driven air-conditioning controls for preventing reversed function with power supply
System processed, the system include: filter circuit, circuit for preventing reverse connection of power supply, power management module, DC load module and master control list
Member,
The input terminal of the filter circuit is connected to DC power supply terminal, for filtering to the DC power signal
Wave；
The circuit for preventing reverse connection of power supply is connect with the filter circuit, for preventing the DC power signal terminal anti-
It connects；
The power management module is connect with the circuit for preventing reverse connection of power supply, DC load module and main control unit respectively,
Power supply is provided for the DC power signal to be converted into different voltage for the DC load module and main control unit；
The main control unit is connect with the DC load module, for driving the DC load module.
In the embodiment of the present application, prevent that the full DC driven air-conditioner control system of reversed function includes filtered electrical with power supply
Road, circuit for preventing reverse connection of power supply, power management module, DC load module and main control unit can directly utilize solar energy, wind energy
The direct current that equal clean energy resourcies provide drives mode using straight, is not necessarily to inversion, reduces the production cost of enterprise, improve the energy
Utilization rate more rationally utilizes clean energy resource, more environmentally-friendly；Using circuit for preventing reverse connection of power supply, the Electrical Safety of proof load.
The application is applied to air conditioner, and power supply mode is direct current supply, can be under the high voltage environment of 385V~600V
Work preferably matches photovoltaic power generation or wind-power electricity generation without being depressured to direct current 310V processing.
In some embodiments of the present application, as shown in Fig. 2, filter circuit includes: fuse, varistor, NTC electricity
Resistance, common mode inductance, first capacitor and the second capacitor,
The first end of the fuse is connect with the positive terminal of the DC power supply terminal, second end respectively with the pressure
The first end of quick resistance is connected with the first end of NTC resistance；
The second end of the varistor is negative with the first end of second capacitor and the DC power supply terminal respectively
Extreme son connection；
The second end of second capacitor is grounded；
The second end of the NTC resistance is connect with the first end of the common mode inductance；
The second end of the common mode inductance is connect with the first end of the first capacitor and positive output terminals respectively；
The second end of the first capacitor is connect with the first end of second capacitor and negative output terminals respectively.
In the embodiment of the present application, which is mainly used for the clutters such as filtering common mode, differential mode and does to electronic device
It disturbs, while reducing interference of the clutter of electronic product itself generation to external power supply.
Wherein, fuse, varistor, NTC resistance are protectiveness device, prevent circuit from short circuit or lightning stroke wave occur
It gushes voltage and burns controller, avoid the generation of fire；Common mode inductance is mainly played a filtering role with thin-film capacitor, in usual alternating current all
Be mingled with certain harmonic wave, these harmonic waves be for controller it is useless, need to filter out.
In Fig. 2, UinIt is an externally input the DC power supply powered to room air conditioner；FU is protective tube；RV is pressure-sensitive electricity
Resistance；RNTC is NTC resistance；L is common mode inductance；C1 is metallized film capacitor；C2 is Y capacitance；PE is ground wire；UoutTo pass through
Filtered DC power supply.
In some embodiments of the present application, capacitor C1 selects metallized film capacitor to replace electrolytic capacitor, has and fills
Discharge time is short and the high feature of pressure voltage, while to electric power polarity no requirement (NR).The most commonly used is polyester metallized film capacitor and
Polypropylene metallized film capacitor.
DC power supply becomes relatively pure after filter circuit, flows into circuit for preventing reverse connection of power supply.
In some embodiments of the present application, as shown in figure 3, reverse-connection preventing circuit includes: the first one way conducting device and
Two one way conducting devices,
The first end of first one way conducting device is connect with the positive output terminals, and second end and the direct current are negative
Carry the first end connection of module；
The second end of the DC load module is connect with the negative output terminals；
The first end of second one way conducting device is connect with the positive output terminals, second end and the power supply pipe
Manage the connection of module first end；
The second end of the power management module is connect with the negative output terminals.
Wherein first one way conducting device and second one way conducting device may each be diode or triode
Or other devices with one-way conduction function.
As shown in figure 3, reverse-connection preventing circuit main components are diode, the one-way conduction characteristic of diode is borrowed, so that
No current flows through after DC power supply positive and negative electrode is reversed, room air conditioner cisco unity malfunction.Wherein D1, D2 generation respectively
Table high voltage value diode component, according to real work voltage, can on diode D1, D2 selectivity phase in parallel or in series
The diode of same specification.
Wherein, number of diodes can be increased according to DC bus number of nodes, be subtracted.
The effect of the circuit for preventing reverse connection of power supply is to prevent from burning motor and power supply chip constant power device after power supply is reversed, is kept away
Exempt to cause fire.The reverse-connection preventing circuit is introduced, when there is the reversal connection of power supply positive and negative electrode, powers on rear room air conditioner buzzer
Will not make a sound, LED light is no longer lighted, with remote controller operation without response, motor does not turn, that is, it is reversed to represent power supply, needs
Power supply direction is adjusted after power-off to re-power.
Power supply reverse connection protection device can also be integrated into forceful electric power filter circuit, i.e., anti-reverse diode is mounted on direct current mother
Line inputs starting point.
In some embodiments of the present application, as shown in figure 4, reverse-connection preventing circuit includes: third one way conducting device, it is described
Third conduction device is set between the first end of the varistor and the first end of the first capacitor.
Capacitor C1 in forceful electric power filter circuit can be replaced with polarized electrolytic capacitor, reached identical effect while being increased
Suitability.The position diode D3 is not fixed to be required, and diode D3 fails in order to prevent, preferably puts between RV and capacitor C1
It sets.
In some embodiments of the present application, as shown in figure 5, reverse-connection preventing circuit includes: the 4th one way conducting device, it is described
4th one way conducting device is in parallel with the varistor, and the first end of the 4th one way conducting device is set to the insurance
Between the first end of silk and the first end of the first capacitor.
A diode in parallel, the cathode phase of the anode and power supply of diode between the positive and negative anodes of forceful electric power filter circuit
It connects, cathode connects with the anode of power supply, and wherein the position D4 is not fixed requires, but needs to put between protective tube FU and capacitor C1
It sets.
In some embodiments of the present application, as shown in fig. 6, the power input in forceful electric power filter circuit uses four two
Pole pipe D5, D6, D7, D8 constitute a bridge rectifier module, equally may be implemented to prevent reversed function, the bridge rectifier module position
It can equally be selected between FU and C1.
In some embodiments of the present application, power management module is mainly inverse-excitation type switch power-supply, is opened using integrated form
Powered-down source chip collocation high frequency transformer design, provides feedback loop by 12V, by the electricity of 385V~600V of DC bus input
Pressure is converted to the light current of different size, such as 15V, 12V, 5V, 3.3V, for driving different DC loads, as shown in fig. 7,
DC bus-bar voltage is powered after high frequency transformer primary side to integrated switched power supply chip, and high frequency transformer pair side is felt respectively
+ 15V and+12V should be exported, simultaneously+12V and the feedback voltage input signal as integrated switched power supply chip, thus reversely
Control power supply stablizes output, and+12V passes through two-stage DC-DC chip voltage again, respectively output+5V and+3.3V.
In some embodiments of the present application, DC load module mainly includes direct current generator, stepper motor, LED light, bee
Ring device, Temperature Humidity Sensor, electrostatic precipitator, entrance guard device, wifi module.
In some embodiments of the present application, main control unit refers to the minimum control system operated normally for realizing air conditioner
System, main composition circuit are MCU chip, oscillating circuit, reset circuit.
The present invention provides a kind of air conditioner, which includes any of the above-described full direct current that reversed function is prevented with power supply
Drive air-conditioner control system.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.
For software implementations, the techniques described herein can be realized by executing the unit of function described herein.Software generation
Code is storable in memory and is executed by processor.Memory can in the processor or portion realizes outside the processor.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the embodiment of the present invention is substantially
The part of the part that contributes to existing technology or the technical solution can embody in the form of software products in other words
Come, which is stored in a storage medium, including some instructions are used so that a computer equipment (can
To be personal computer, server or the network equipment etc.) execute all or part of each embodiment the method for the present invention
Step.And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program
The medium of code.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply characterized by comprising filtered electrical
Road, circuit for preventing reverse connection of power supply, power management module, DC load module and main control unit,
The input terminal of the filter circuit is connected to DC power supply terminal, for being filtered to the DC power signal；
The circuit for preventing reverse connection of power supply is connect with the filter circuit, for preventing the DC power signal terminal to be reversely connected；
The power management module is connect with the circuit for preventing reverse connection of power supply, DC load module and main control unit respectively, is used for
The DC power signal is converted into different voltage and provides power supply for the DC load module and main control unit；
The main control unit is connect with the DC load module, for driving the DC load module.
2. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply according to claim 1, special
Sign is, the filter circuit includes: fuse, varistor, NTC resistance, common mode inductance, first capacitor and the second capacitor,
The first end of the fuse is connect with the positive terminal of the DC power supply terminal, second end respectively with the pressure-sensitive electricity
The first end of resistance is connected with the first end of NTC resistance；
The second end of the varistor negative pole end with the first end of second capacitor and the DC power supply terminal respectively
Son connection；
The second end of second capacitor is grounded；
The second end of the NTC resistance is connect with the first end of the common mode inductance；
The second end of the common mode inductance is connect with the first end of the first capacitor and positive output terminals respectively；
The second end of the first capacitor is connect with the first end of second capacitor and negative output terminals respectively.
3. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply according to claim 2, special
Sign is, the reverse-connection preventing circuit includes: the first one way conducting device and the second one way conducting device,
The first end of first one way conducting device is connect with the positive output terminals, second end and the DC load mould
The first end of block connects；
The second end of the DC load module is connect with the negative output terminals；
The first end of second one way conducting device is connect with the positive output terminals, second end and the power management mould
The connection of block first end；
The second end of the power management module is connect with the negative output terminals.
4. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply according to claim 3, special
Sign is that first one way conducting device includes diode or triode, second one way conducting device be diode or
Triode.
5. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply according to claim 2, special
Sign is that the reverse-connection preventing circuit includes: third one way conducting device, and the third conduction device is set to the varistor
First end and the first capacitor first end between.
6. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply according to claim 5, special
Sign is that the third one way conducting device is diode or triode.
7. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply according to claim 2, special
Sign is that the reverse-connection preventing circuit includes: the 4th one way conducting device, the 4th one way conducting device and the varistor
Parallel connection, the first end of the 4th one way conducting device be set to the fuse first end and the first capacitor first
Between end.
8. a kind of full DC driven air-conditioner control system for preventing reversed function with power supply according to claim 7, special
Sign is that the 4th one way conducting device is diode or triode.
9. a kind of air conditioner, which is characterized in that prevent the complete of reversed function including any power supply that has of claim 1 to 8
DC driven air-conditioner control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480860.4A CN109751743A (en) | 2018-12-05 | 2018-12-05 | The full DC driven air-conditioner control system and air conditioner of reversed function are prevented with power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480860.4A CN109751743A (en) | 2018-12-05 | 2018-12-05 | The full DC driven air-conditioner control system and air conditioner of reversed function are prevented with power supply |
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| CN109751743A true CN109751743A (en) | 2019-05-14 |
Family
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| CN201811480860.4A Pending CN109751743A (en) | 2018-12-05 | 2018-12-05 | The full DC driven air-conditioner control system and air conditioner of reversed function are prevented with power supply |
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