CN105180278A - Floor-type split air conditioner - Google Patents
Floor-type split air conditioner Download PDFInfo
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- CN105180278A CN105180278A CN201510559227.4A CN201510559227A CN105180278A CN 105180278 A CN105180278 A CN 105180278A CN 201510559227 A CN201510559227 A CN 201510559227A CN 105180278 A CN105180278 A CN 105180278A
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- Prior art keywords
- outdoor
- air conditioner
- split
- type air
- floor type
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Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
Abstract
The invention provides a floor-type split air conditioner. The floor-type split air conditioner comprises an indoor machine provided with an indoor heat exchanger and a compressor, an outdoor machine provided with an outdoor heat exchanger, an outdoor fan and an outdoor sensor, and a main control board which is used for controlling the compressor, the outdoor fan and the outdoor sensor to work and arranged in the indoor machine, wherein a throttling component is arranged in the indoor machine or the outdoor machine; the indoor heat exchanger, the throttling component, the outdoor heat exchanger and the compressor sequentially communicate circularly, so that a refrigerant loop is formed; the outdoor fan is connected to a fan wire leading port of the main control board; the outdoor sensor is connected to a temperature sampling port of the main control board; a first absorption component is arranged at the fan wire leading port, and a second absorption component is arranged at the temperature sampling port, so that the floor-type split air conditioner is protected. Through the technical scheme adopted by the floor-type split air conditioner disclosed by the invention, dangers caused by overcurrent or overvoltage in electronic control can be effectively avoided, the service life of the floor-type split air conditioner is prolonged, and the applicability and the safety of the floor-type split air conditioner are improved; besides, the production cost of the floor-type split air conditioner is reduced, and the production efficiency of the floor-type split air conditioner is improved.
Description
Technical field
The present invention relates to household electrical appliance technical field, in particular to a kind of split-floor type air conditioner.
Background technology
At present, existing split-floor type air conditioner, due to factors such as indoor set space, noises, be all that compressor is placed in the off-premises station of this split-floor type air conditioner, and corresponding master control borad is set at off-premises station, separated by median septum and outdoor fan, indoor set is communicated by current loop communication circuit with off-premises station, and because order wire is attached on AC power cord, easily cause high pressure to damage, there is line-hit and transmission speed is slow; And circuit structure is more complicated, such as: indoor and outdoor machine all needs to arrange switching power circuit, thinks that master control borad, relay etc. provide operating voltage; Indoor and outdoor machine all needs to arrange power supply main relay circuit, and holistic cost is higher and assemble not convenient etc.
Therefore, how while solving the automatically controlled safety problem that split-floor type air conditioner causes because of overcurrent or overvoltage, reduce the production cost of product and enhance productivity, becoming technical problem urgently to be resolved hurrily.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art or correlation technique.
For this reason, one object of the present invention is to propose a kind of split-floor type air conditioner.
For achieving the above object, according to one embodiment of present invention, propose a kind of split-floor type air conditioner, comprising: indoor set, in described indoor set, be provided with indoor heat exchanger and compressor; Off-premises station, is provided with outdoor heat exchanger, outdoor fan and outdoor sensor in described off-premises station; Throttle part, described throttle part is arranged in described indoor set or in described off-premises station; And described indoor heat exchanger, described throttle part, described outdoor heat exchanger circulate successively with described compressor and are communicated with, to form refrigerant loop; And described indoor set also comprises: master control borad, described master control borad is for controlling described compressor, described outdoor fan and described outdoor sensor work; And described outdoor fan is connected to the blower fan lead-in wire port of described master control borad, described outdoor sensor is connected to the temperature sampling port of described master control borad, controls described outdoor fan and described outdoor sensor work to make described master control borad; Described blower fan lead-in wire port and described temperature sampling port are respectively arranged with the first absorption piece and the second absorption piece, to protect described split-floor type air conditioner.
Split-floor type air conditioner according to an embodiment of the invention, by the compressor of split-floor type air conditioner and master control borad thereof are arranged in the indoor set of split-floor type air conditioner, and preferably can master control borad be arranged on around compressor, namely arrange near compressor, such as, the over top of compressor, so that wiring controls, namely in off-premises station, corresponding master control borad is not set, and without the need to adopting median septum compressor and master control borad to be isolated in off-premises station, simplify the communication between compressor and master control borad, reduce interference, improve communication transfer speeds, and, respectively in the junction of outdoor fan and outdoor sensor and master control borad, i.e. blower fan lead-in wire port and temperature sampling port, absorption piece is set, to avoid the problem because overcurrent or overvoltage cause split-floor type air conditioner to damage, such as, split-floor type air conditioner local is easily made to produce the problem of high pressure when thundering, and then extend the service life of split-floor type air conditioner, improve its applicability and security, namely the technical scheme of the application all arranges the split-floor type air conditioner of master control borad in existing indoor and outdoor machine, production efficiency is improve while the use reducing electric elements reduces the production cost of product, and improve the communication transfer speeds of split-floor type air conditioner indoor and outdoor machine, reduce interference, extend the service life of split-floor type air conditioner simultaneously, improve its applicability and security, thus improve Consumer's Experience.
And by arranging throttle part in the indoor set of this split-floor type air conditioner or in off-premises station, namely throttle part both can be placed in indoor set and also can be placed in off-premises station, to make the indoor heat exchanger be communicated with that circulates successively, throttle part, outdoor heat exchanger and compressor form refrigerant loop, and then realize the working cycle process of split-floor type air conditioner, in addition, throttle part can be electric expansion valve or capillary, particularly, by throttle part is set to electric expansion valve, split-floor type air conditioner not only can be made to vary with temperature and adjust the size of flow, the constant speed realizing split-floor type air conditioner regulates, contribute to split-floor type air conditioner heat radiation, the energy consumption of split-floor type air conditioner can also be reduced simultaneously, and capillary to have structure simple, cheap feature, the production cost of split-floor type air conditioner can be reduced further.
According to one embodiment of present invention, in technique scheme, preferably, also comprise: cross valve, described cross valve is arranged in described indoor set or in described off-premises station; And described indoor heat exchanger, described throttle part, described outdoor heat exchanger, described cross valve circulate successively with described compressor and are communicated with, to form described refrigerant loop.
Split-floor type air conditioner according to an embodiment of the invention, cross valve can also be set in the indoor set of this split-floor type air conditioner or in off-premises station, namely cross valve both can be placed in indoor set and also can be placed in off-premises station, to make indoor heat exchanger, throttle part, outdoor heat exchanger, cross valve and the compressor formation refrigerant loop be communicated with of circulating successively, and then realize the working cycle process of split-floor type air conditioner, wherein, air-conditioner refrigeration/dehumidification mode of operation can be realized by the switching of cross valve and heat the switching of mode of operation.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described first absorption piece that described blower fan lead-in wire port is arranged comprises: RC absorption circuit or piezo-resistance; Described second absorption piece that described temperature sampling port is arranged comprises: diode clamp protection circuit.
Split-floor type air conditioner according to an embodiment of the invention, be arranged on the first absorption piece of blower fan lead-in wire port including but not limited to RC absorption circuit or piezo-resistance, for when there is overvoltage or overcurrent, absorb unnecessary voltage or electric current, to play the effect of protection circuit; And the second absorption piece being arranged on temperature sampling port is including but not limited to diode clamp protection circuit; by conduction during the diode of two reverse parallel connections of composition diode clamp protection circuit different; absorb induction peak voltage; thus the protection realized split-floor type air conditioner circuit; so; effectively can extend the service life of split-floor type air conditioner, promote its applicability and security, thus promote Consumer's Experience.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described outdoor fan is AC blower fan.
Split-floor type air conditioner according to an embodiment of the invention, because AC blower fan does not have commutator compared to DC fan, so structure is simple, easy to make, Power coverage scope greatly and more firm, easily make high rotating speed, high voltage, big current, jumbo motor, be conducive to the operating efficiency promoting split-floor type air conditioner, and be more suitable for just at the AC electric power systems of develop rapidly, so, simple compared to DC fan manufacturing process by adopting, lower-cost AC blower fan, the production cost of product can be reduced further, and worked by heavy-current control AC blower fan, without the need to extra communication, further simplify indoor, communication between outer machine, reduce interference.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described outdoor sensor comprises: the first outdoor temperature sensor and the second outdoor temperature sensor, wherein, described first outdoor temperature sensor is for detecting the temperature of the outdoor heat exchanger of described split-floor type air conditioner, and described second outdoor temperature sensor is for detecting the environment temperature around described off-premises station.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described first outdoor temperature sensor is connected with the first connecting line, described second outdoor temperature sensor is connected with the second connecting line, described first connecting line and described second connecting line pass described off-premises station and merge into the 3rd connecting line, and described 3rd connecting line is connected to the described temperature sampling port of described master control borad, control described first outdoor temperature sensor and described second outdoor temperature sensor work to make described master control borad.
Split-floor type air conditioner according to an embodiment of the invention, by the first outdoor temperature sensor being respectively used to sensing chamber's external heat exchanger temperature and outdoor environment temperature and the second outdoor temperature sensor lead-in wire that are arranged in off-premises station being connected to the described temperature sampling port of the master control borad being arranged in indoor set, to be controlled the first outdoor temperature sensor and the second outdoor temperature sensor work by this master control borad, particularly, different connecting lines is adopted to be connected to the first outdoor temperature sensor and the second outdoor temperature sensor respectively, and after drawing off-premises station, merge into the described temperature sampling port that a strand introducing indoor set is connected to master control borad, the control to outdoor sensor can be realized, and without the need to communication, further simplify indoor, communication between outer machine, reduce interference, and compared to existing split-floor type air conditioner without the need to arranging sensor circuit in off-premises station, the use not only further reducing electric elements reduces the production cost of product, also the problem because overcurrent or overvoltage cause split-floor type air conditioner to damage can be avoided, and be easy to assembling, improve production efficiency.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described indoor set also comprises: switching power circuit, and described switching power circuit is used for providing operating voltage for described master control borad.
Split-floor type air conditioner according to an embodiment of the invention, mains supply poor for the quality of power supply converted to the higher DC voltage of the quality that meets master control borad job requirement by switching power circuit, such as 5V, thinks that guaranteeing that master control borad normally works provides favourable guarantee.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described indoor set also comprises: composite power module of intelligent frequency conversion, and described composite power module of intelligent frequency conversion is electrically connected with described compressor, to drive described compressor operating.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described composite power module of intelligent frequency conversion comprises: the rectification circuit be electrically connected successively, pfc circuit and inverter circuit, wherein, described inverter circuit is electrically connected with described compressor, and described master control borad controls described compressor operating by described inverter circuit; And described switching power circuit is also for providing operating voltage for described inverter circuit.
Split-floor type air conditioner according to an embodiment of the invention, drives compressor operating by composite power module of intelligent frequency conversion, and particularly, this composite power module of intelligent frequency conversion comprises: rectification circuit, for being DC voltage by ac voltage rectifier; PFC (PowerFactorCorrection, PFC) circuit, has the defencive functions such as overcurrent, overvoltage and excess temperature; Inverter circuit, for DC voltage is become alternating voltage, and has the defencive functions such as overcurrent, overvoltage and excess temperature; And, in this technical scheme, switching power circuit is also for inverter circuit provides operating voltage, particularly, switching power circuit obtains high-tension electricity between pfc circuit and inverter circuit, and high-tension electricity is converted to low tension, thinks the IPM module (IntelligentPowerModule in inverter circuit, SPM) and master control borad operating voltage is provided, be such as respectively the DC voltage of 15V and 5V.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described indoor set also comprises: indoor fan, described master control borad is also for controlling described indoor fan and described outdoor fan work by drive circuit, wherein, described indoor fan is cross flow fan; Aobvious control plate, being connected to described master control borad, showing for controlling described split-floor type air conditioner.
Split-floor type air conditioner according to an embodiment of the invention, also indoor fan is comprised in indoor set, preferably, this indoor fan is cross flow fan, i.e. crossflow fan, therefore sufficient steric requirements is provided for compressor is built in indoor set, and, by improving built-in for compressor the stability and security that indoor set places further; And by the inside and outside blower fan work of drive chamber respectively of employing drive circuit, the use of parts can be further reduced, reduce production cost, thus lifting Consumer's Experience, wherein, drive circuit preferably can adopt ULN2003 (ULN2003 is high withstand voltage, big current Darlington array, is made up of seven the silicon NPN Darlingtons) drive circuit that current gain is high, operating voltage is high, temperature range is wide, carrying load ability is strong.
In addition, by arranging the aobvious control plate be connected with master control borad, to control the running state information showing split-floor type air conditioner, such as, temperature, wind speed, refrigeration mode or heating mode etc., to guarantee that the intuitive visual of user is experienced.
Additional aspect of the present invention and advantage provide in description part below, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the block diagram of split-floor type air conditioner according to an embodiment of the invention;
The block diagram of Fig. 2 split-floor type air conditioner according to another embodiment of the invention.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the block diagram of split-floor type air conditioner according to an embodiment of the invention.
As shown in Figure 1, split-floor type air conditioner 1 according to an embodiment of the invention, comprising: indoor set 10, off-premises station 20 and throttle part 30.Wherein, indoor heat exchanger and compressor 104 is provided with in described indoor set 10; Outdoor heat exchanger, outdoor fan 202 and outdoor sensor 204 is provided with in described off-premises station 20; Described throttle part 30 is arranged in described indoor set 10 or in described off-premises station 20; And described indoor heat exchanger, described throttle part 30, described outdoor heat exchanger circulate successively with described compressor 104 and are communicated with, to form refrigerant loop; And described indoor set 10 also comprises: master control borad 102, described master control borad 102 works for controlling described compressor 104, described outdoor fan 202 and described outdoor sensor 204; And described outdoor fan 202 is connected to the blower fan lead-in wire port of described master control borad 102, described outdoor sensor 204 is connected to the temperature sampling port of described master control borad 102, controls described outdoor fan 202 and described outdoor sensor 204 works to make described master control borad 102; Described blower fan lead-in wire port and described temperature sampling port are respectively arranged with the first absorption piece 114 and the second absorption piece 116, to protect described split-floor type air conditioner 1.
Split-floor type air conditioner 1 according to an embodiment of the invention, by the compressor 104 of split-floor type air conditioner 1 and master control borad 102 thereof are arranged in the indoor set 10 of split-floor type air conditioner 1, and preferably master control borad 102 can be arranged on compressor 104 around, namely arrange near compressor 104, such as, the over top of compressor 104, so that wiring controls, namely corresponding master control borad 102 is not set in off-premises station 20, and without the need to adopting median septum compressor 104 and master control borad 102 to be isolated in off-premises station 20, simplify the communication between compressor 104 and master control borad 102, reduce interference, improve communication transfer speeds, and, respectively in outdoor fan 202 and outdoor sensor 204 junction with master control borad 102, i.e. blower fan lead-in wire port and temperature sampling port, absorption piece is set, to avoid the problem because overcurrent or overvoltage cause split-floor type air conditioner 1 to damage, such as, split-floor type air conditioner 1 local is easily made to produce the problem of high pressure when thundering, and then extend the service life of split-floor type air conditioner 1, improve its applicability and security, namely the technical scheme of the application all arranges the split-floor type air conditioner 1 of master control borad in existing indoor and outdoor machine, production efficiency is improve while the use reducing electric elements reduces the production cost of product, and improve the communication transfer speeds of split-floor type air conditioner 1 indoor and outdoor machine, reduce interference, extend the service life of split-floor type air conditioner 1 simultaneously, improve its applicability and security, thus improve Consumer's Experience.
And by arranging throttle part 30 in the indoor set 10 of this split-floor type air conditioner 1 or in off-premises station 20, namely throttle part 30 both can be placed in indoor set 10 and also can be placed in off-premises station 20, to make the indoor heat exchanger be communicated with that circulates successively, throttle part 30, outdoor heat exchanger and compressor 104 form refrigerant loop, and then realize the working cycle process of split-floor type air conditioner 1, in addition, throttle part 30 can be electric expansion valve or capillary, particularly, by throttle part 30 is set to electric expansion valve, split-floor type air conditioner 1 not only can be made to vary with temperature and adjust the size of flow, the constant speed realizing split-floor type air conditioner 1 regulates, contribute to split-floor type air conditioner 1 to dispel the heat, the energy consumption of split-floor type air conditioner 1 can also be reduced simultaneously, and capillary to have structure simple, cheap feature, the production cost of split-floor type air conditioner 1 can be reduced further.
According to one embodiment of present invention, in technique scheme, preferably, also comprise: cross valve 40, described cross valve 40 is arranged in described indoor set 10 or in described off-premises station 20; And described indoor heat exchanger, described throttle part 30, described outdoor heat exchanger, described cross valve 40 circulate successively with described compressor 104 and are communicated with, to form described refrigerant loop.
Split-floor type air conditioner 1 according to an embodiment of the invention, cross valve 40 can also be set in the indoor set 10 of this split-floor type air conditioner 1 or in off-premises station 20, namely cross valve 40 both can be placed in indoor set 10 and also can be placed in off-premises station 20, to make the indoor heat exchanger be communicated with that circulates successively, throttle part 30, outdoor heat exchanger, cross valve 40 and compressor 104 form refrigerant loop, and then realize the working cycle process of split-floor type air conditioner 1, wherein, air-conditioner refrigeration/dehumidification mode of operation can be realized by the switching of cross valve 40 and heat the switching of mode of operation.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described first absorption piece 114 that described blower fan lead-in wire port is arranged comprises: RC absorption circuit or piezo-resistance; Described second absorption piece 116 that described temperature sampling port is arranged comprises: diode clamp protection circuit.
Split-floor type air conditioner 1 according to an embodiment of the invention, be arranged on the first absorption piece 114 of blower fan lead-in wire port including but not limited to RC absorption circuit or piezo-resistance, for when there is overvoltage or overcurrent, absorb unnecessary voltage or electric current, to play the effect of protection circuit; And the second absorption piece 116 being arranged on temperature sampling port is including but not limited to diode clamp protection circuit; by conduction during the diode of two reverse parallel connections of composition diode clamp protection circuit different; absorb induction peak voltage; thus the protection realized split-floor type air conditioner 1 circuit; so; effectively can extend the service life of split-floor type air conditioner 1, promote its applicability and security, thus promote Consumer's Experience.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described outdoor fan 202 is AC blower fan.
Split-floor type air conditioner 1 according to an embodiment of the invention, because AC blower fan does not have commutator compared to DC fan, so structure is simple, easy to make, Power coverage scope greatly and more firm, easily make high rotating speed, high voltage, big current, jumbo motor, be conducive to the operating efficiency promoting split-floor type air conditioner 1, and be more suitable for just at the AC electric power systems of develop rapidly, so, simple compared to DC fan manufacturing process by adopting, lower-cost AC blower fan, the production cost of product can be reduced further, and worked by heavy-current control AC blower fan, without the need to extra communication, further simplify indoor, communication between outer machine, reduce interference.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described outdoor sensor 204 comprises: the first outdoor temperature sensor 2042 and the second outdoor temperature sensor 2044, wherein, described first outdoor temperature sensor 2042 is for detecting the temperature of the outdoor heat exchanger of described split-floor type air conditioner 1, and described second outdoor temperature sensor 2044 is for detecting the environment temperature around described off-premises station 20.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described first outdoor temperature sensor 2042 is connected with the first connecting line, described second outdoor temperature sensor 2044 is connected with the second connecting line, described first connecting line and described second connecting line pass described off-premises station 20 and merge into the 3rd connecting line, and described 3rd connecting line is connected to the described temperature sampling port of described master control borad 102, control described first outdoor temperature sensor 2042 to make described master control borad 102 and described second outdoor temperature sensor 2044 works.
Split-floor type air conditioner 1 according to an embodiment of the invention, by the first outdoor temperature sensor 2042 being respectively used to sensing chamber's external heat exchanger temperature and outdoor environment temperature and the second outdoor temperature sensor 2044 lead-in wire that are arranged in off-premises station 20 being connected to the described temperature sampling port of the master control borad 102 being arranged in indoor set 10, to be controlled the first outdoor temperature sensor 2042 by this master control borad 102 and the second outdoor temperature sensor 2044 works, particularly, different connecting lines is adopted to be connected to the first outdoor temperature sensor 2042 and the second outdoor temperature sensor 2044 respectively, and after drawing off-premises station 20, merge into the described temperature sampling port that a strand introducing indoor set 10 is connected to master control borad 102, the control to outdoor sensor 204 can be realized, and without the need to communication, further simplify indoor, communication between outer machine, reduce interference, and compared to existing split-floor type air conditioner 1 without the need to arranging sensor circuit in off-premises station 20, the use not only further reducing electric elements reduces the production cost of product, also the problem because overcurrent or overvoltage cause split-floor type air conditioner to damage can be avoided, and be easy to assembling, improve production efficiency.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described indoor set 10 also comprises: switching power circuit 106, and described switching power circuit 106 is for providing operating voltage for described master control borad 102.
Split-floor type air conditioner 1 according to an embodiment of the invention, mains supply poor for the quality of power supply converted to the higher DC voltage of the quality that meets master control borad 102 job requirement by switching power circuit 106, such as 5V, thinks that guaranteeing that master control borad 102 normally works provides favourable guarantee.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described indoor set 10 also comprises: composite power module of intelligent frequency conversion 108, described composite power module of intelligent frequency conversion 108 is electrically connected with described compressor 104, works to drive described compressor 104.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described composite power module of intelligent frequency conversion 108 comprises: the rectification circuit 1082 be electrically connected successively, pfc circuit 1084 and inverter circuit 1086, wherein, described inverter circuit 1086 is electrically connected with described compressor 104, and described master control borad 102 controls described compressor 104 by described inverter circuit 1086 and works; And described switching power circuit 106 is also for providing operating voltage for described inverter circuit 1086.
Split-floor type air conditioner 1 according to an embodiment of the invention, compressor 104 is driven to work by composite power module of intelligent frequency conversion 108, particularly, this composite power module of intelligent frequency conversion 108 comprises: rectification circuit 1082, for being DC voltage by ac voltage rectifier; PFC (PowerFactorCorrection, PFC) circuit 1084, has the defencive functions such as overcurrent, overvoltage and excess temperature; Inverter circuit 1086, for DC voltage is become alternating voltage, and has the defencive functions such as overcurrent, overvoltage and excess temperature; And, in this technical scheme, switching power circuit 106 is also for inverter circuit 1086 provides operating voltage, particularly, switching power circuit 106 obtains high-tension electricity between pfc circuit 1084 and inverter circuit 1086, and high-tension electricity is converted to low tension, thinks the IPM module (IntelligentPowerModule in inverter circuit 1086, SPM) and master control borad 102 operating voltage is provided, be such as respectively the DC voltage of 15V and 5V.
According to one embodiment of present invention, in above-mentioned arbitrary technical scheme, preferably, described indoor set 10 also comprises: indoor fan 110, described master control borad 102 is also for controlling described indoor fan 110 by drive circuit 118 and described outdoor fan 202 works, wherein, described indoor fan 110 is cross flow fan; Aobvious control plate 112, being connected to described master control borad 102, showing for controlling described split-floor type air conditioner 1.
Split-floor type air conditioner 1 according to an embodiment of the invention, indoor fan 110 is also comprised in indoor set 10, preferably, this indoor fan 110 is cross flow fan, i.e. crossflow fan, therefore sufficient steric requirements is provided for compressor 104 is built in indoor set 10, and, by improving built-in for compressor 104 stability and security that indoor set 10 places further; In addition, by adopting the inside and outside blower fan work of drive chamber respectively of a drive circuit 118, further reduce the use of parts, reduce production cost, thus lifting Consumer's Experience, wherein, drive circuit 118 preferably can adopt ULN2003 (ULN2003 is high withstand voltage, big current Darlington array, is made up of seven the silicon NPN Darlingtons) drive circuit that current gain is high, operating voltage is high, temperature range is wide, carrying load ability is strong.
In addition, by arranging the aobvious control plate 112 be connected with master control borad 102, to control the running state information showing split-floor type air conditioner 1, such as, temperature, wind speed, refrigeration mode or heating mode etc., to guarantee that the intuitive visual of user is experienced.
The block diagram of Fig. 2 split-floor type air conditioner according to another embodiment of the invention.
As shown in Figure 2, split-floor type air conditioner according to another embodiment of the invention, comprising: indoor set and off-premises station, and indoor set comprises:
Main control chip (master control borad), for controlling compressor, interior sensor, display board master control borad telecommunication circuit (aobvious control plate) work, and by arranging the first absorption piece in the blower fan lead-in wire port connecting outdoor fan motor (outdoor fan) and carrying out protection circuit by the absorption piece that the temperature acquisition port connecting outdoor environment sensor and outdoor heat exchanger sensor arranges second, and then proterctive equipment damages because of overvoltage or overcurrent, by drive circuit drive chamber inner blower (being preferably cross flow fan), power supply main relay, the auxiliary heat of electricity, cross valve, heat tape, outdoor fan motor works, wherein, main control chip preferably can be arranged on around compressor, electromagnetic interference can be reduced while simplifying communication, one end of power supply main relay is connected to the power circuit obtaining electric main from the external world, its other end is connected to and main power circuit, thinks that rectification circuit, pfc circuit and inverter circuit (comprising IPM module) (three's composition is equivalent to composite power module of intelligent frequency conversion) drive compressor operating to provide energy source, and also comprise switching power circuit, for obtaining high-tension electricity between pfc circuit and inverter circuit, and high-tension electricity being converted to low tension, thinking that the IPM in main control chip, inverter circuit provides applicable operating voltage, further, also comprise the alternating current sample circuit be connected between main power circuit and rectification circuit, carry out sampling monitoring with the supply voltage provided main power circuit.
Off-premises station comprises: outdoor fan motor and outdoor heat exchanger sensor, outdoor environment sensor (the two composition is equivalent to outdoor sensor), wherein, outdoor heat exchanger sensor is for detecting the temperature of the outdoor heat exchanger in off-premises station, and outdoor fan motor is preferably AC blower fan.
In addition, in this embodiment, rational layout can be carried out to the control area of main control chip, such as can divide control area, to improve control efficiency by forceful electric power, light current; And drive circuit preferably can adopt ULN2003 drive circuit.
More than be described with reference to the accompanying drawings technical scheme of the present invention, effectively can solve the automatically controlled safety problem that split-floor type air conditioner causes because of overcurrent or overvoltage, extend the service life of split-floor type air conditioner, improve its applicability and security, reduce the production cost of product simultaneously, improve production efficiency, and then improve Consumer's Experience.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a split-floor type air conditioner, is characterized in that, comprising:
Indoor set, is provided with indoor heat exchanger and compressor in described indoor set;
Off-premises station, is provided with outdoor heat exchanger, outdoor fan and outdoor sensor in described off-premises station;
Throttle part, described throttle part is arranged in described indoor set or in described off-premises station; And
Described indoor heat exchanger, described throttle part, described outdoor heat exchanger circulate successively with described compressor and are communicated with, to form refrigerant loop; And
Described indoor set also comprises:
Master control borad, described master control borad is for controlling described compressor, described outdoor fan and described outdoor sensor work; And
Described outdoor fan is connected to the blower fan lead-in wire port of described master control borad, and described outdoor sensor is connected to the temperature sampling port of described master control borad, controls described outdoor fan and described outdoor sensor work to make described master control borad;
Described blower fan lead-in wire port and described temperature sampling port are respectively arranged with the first absorption piece and the second absorption piece, to protect described split-floor type air conditioner.
2. split-floor type air conditioner according to claim 1, is characterized in that, also comprises: cross valve, and described cross valve is arranged in described indoor set or in described off-premises station; And
Described indoor heat exchanger, described throttle part, described outdoor heat exchanger, described cross valve circulate successively with described compressor and are communicated with, to form described refrigerant loop.
3. split-floor type air conditioner according to claim 1, is characterized in that,
Described first absorption piece that described blower fan lead-in wire port is arranged comprises: RC absorption circuit or piezo-resistance;
Described second absorption piece that described temperature sampling port is arranged comprises: diode clamp protection circuit.
4. split-floor type air conditioner according to claim 1, is characterized in that, described outdoor fan is AC blower fan.
5. split-floor type air conditioner according to claim 4, it is characterized in that, described outdoor sensor comprises: the first outdoor temperature sensor and the second outdoor temperature sensor, wherein, described first outdoor temperature sensor is for detecting the temperature of the outdoor heat exchanger of described split-floor type air conditioner, and described second outdoor temperature sensor is for detecting the environment temperature around described off-premises station.
6. split-floor type air conditioner according to claim 5, is characterized in that,
Described first outdoor temperature sensor is connected with the first connecting line, described second outdoor temperature sensor is connected with the second connecting line, described first connecting line and described second connecting line pass described off-premises station and merge into the 3rd connecting line, and described 3rd connecting line is connected to the described temperature sampling port of described master control borad, control described first outdoor temperature sensor and described second outdoor temperature sensor work to make described master control borad.
7. split-floor type air conditioner according to claim 1, is characterized in that, described indoor set also comprises: switching power circuit, and described switching power circuit is used for providing operating voltage for described master control borad.
8. split-floor type air conditioner according to claim 7, is characterized in that, described indoor set also comprises: composite power module of intelligent frequency conversion, and described composite power module of intelligent frequency conversion is electrically connected with described compressor, to drive described compressor operating.
9. split-floor type air conditioner according to claim 8, it is characterized in that, described composite power module of intelligent frequency conversion comprises: the rectification circuit be electrically connected successively, pfc circuit and inverter circuit, wherein, described inverter circuit is electrically connected with described compressor, and described master control borad controls described compressor operating by described inverter circuit; And
Described switching power circuit is also for providing operating voltage for described inverter circuit.
10. split-floor type air conditioner according to any one of claim 1 to 9, is characterized in that, described indoor set also comprises:
Indoor fan, described master control borad is also for controlling described indoor fan and described outdoor fan work by drive circuit, wherein, described indoor fan is cross flow fan;
Aobvious control plate, being connected to described master control borad, showing for controlling described split-floor type air conditioner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510559227.4A CN105180278A (en) | 2015-09-02 | 2015-09-02 | Floor-type split air conditioner |
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| CN201510559227.4A CN105180278A (en) | 2015-09-02 | 2015-09-02 | Floor-type split air conditioner |
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Application publication date: 20151223 |