CN105546684A - Indoor environment control unit and building - Google Patents

Indoor environment control unit and building Download PDF

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Publication number
CN105546684A
CN105546684A CN201610074470.1A CN201610074470A CN105546684A CN 105546684 A CN105546684 A CN 105546684A CN 201610074470 A CN201610074470 A CN 201610074470A CN 105546684 A CN105546684 A CN 105546684A
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CN
China
Prior art keywords
air
control valve
air outlet
passage
indoor
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Granted
Application number
CN201610074470.1A
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Chinese (zh)
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CN105546684B (en
Inventor
徐伟
杨灵艳
吕燕捷
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Jianke Huanneng Technology Co.,Ltd.
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China Academy of Building Research CABR
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Priority to CN201610074470.1A priority Critical patent/CN105546684B/en
Publication of CN105546684A publication Critical patent/CN105546684A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/001Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/002Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
    • F24F12/003Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using a heat pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The invention provides an indoor environment control unit and a building. The indoor environment control unit comprises an air inflow channel, an exhaust channel, a heat recovery device and a heat pump air-conditioning device. The air inflow channel comprises a first air inlet, a first air outlet, a first fan and a direct flow channel provided with a first control valve. The exhaust channel comprises a second air inlet, a second air outlet, a second fan and a direct exhaust channel provided with a second control valve. The heat recovery device comprises a first channel and a second channel, a third control valve is arranged in the first channel, and a fourth control valve is arranged in the second channel. The heat pump air-conditioning device comprises a refrigerant pipeline, an outdoor unit, an internal heat exchanger and a heat recovery heat exchanger, the outdoor unit comprises an external heat exchanger, a compressor, a four-way reversing valve, a throttling valve and an oil separator, and the heat recovery heat exchanger is connected with the external heat exchanger in parallel and arranged at the position, close to the second air outlet, in the exhaust channel. According to the indoor environment control unit and the building, the energy consumption of an indoor environment system can be reduced.

Description

Indoor environmental condition control unit and building
Technical field
The present invention relates to ventilation equipment technology, particularly relate to a kind of indoor environmental condition control unit and building.
Background technology
Be provided with ventilating system in existing building, outdoor air can be introduced indoor by ventilating system, and room air is expelled to outdoor, upgrades indoor air, with the demand of satisfied indoor to fresh air thus with outdoor fresh air.
Existing ventilating system, comprise intake stack and exhaust duct, blower fan is respectively equipped with in intake stack and exhaust duct, wherein the air inlet of intake stack is used for being communicated with outdoor, the air outlet of intake stack is used for being communicated with indoor, the air inlet of exhaust duct is used for being communicated with indoor, the air outlet of exhaust duct is used for being communicated with outdoor, the blower fan in intake stack and exhaust duct is opened when needing to upgrade room air, thus make room air flow into exhaust duct by the air inlet of exhaust duct, and by outside the air outlet delivery chamber of exhaust duct, outdoor air flows into intake stack by the air inlet of intake stack simultaneously, and flow into outdoor by the air outlet of intake stack, realize the renewal of indoor air thus.
Existing ventilating system in the course of the work, for meeting the comfort level of user, regulate indoor temperature to need by air-conditioning equipment, but the energy in air draft cannot reclaim, limit the raising of cooling and warming efficiency level, thus result in the higher problem of whole indoor environment system energy consumption.。
Summary of the invention
The invention provides a kind of indoor environmental condition control unit and building, to reduce indoor environment system energy consumption.
One aspect of the present invention provides a kind of indoor environmental condition control unit, comprising:
Air intake passage, comprise the first air inlet and the first air outlet, described first air inlet is used for being communicated with outdoor, described first air outlet is used for being communicated with indoor, direct current channel is provided with in described air intake passage, described direct current channel is arranged along the length direction of described air intake passage, described direct current channel is provided with the first control valve, described first control valve is used for connecting or closing described direct current channel, be provided with the first blower fan in described air intake passage, described first blower fan is used for enabling air be flowed into by described first air inlet and be flowed to described first air outlet through described direct current channel;
Air exhaust passage, comprise the second air inlet and the second air outlet, described second air inlet is used for being communicated with indoor, described second air outlet is used for being communicated with outdoor, in line passage is provided with in described air exhaust passage, described in line passage is arranged along the length direction of described air exhaust passage, described in line passage is provided with the second control valve, described second control valve is used for connecting or closing described in line passage, be provided with the second blower fan in described air exhaust passage, described second blower fan is used for enabling air be flowed into by described second air inlet and be flowed to described second air outlet through described in line passage;
Heat reclamation device, comprising:
First passage, described first passage comprises the 3rd air inlet and the 3rd air outlet, described 3rd air inlet and the 3rd air outlet are arranged in described air intake passage, and described 3rd air inlet is arranged near described first air inlet, and described 3rd air outlet is arranged near described first air outlet;
Second channel, described second channel comprises the 4th air inlet and the 4th air outlet, described 4th air inlet and the 4th air outlet are arranged in described air exhaust passage, and described 4th air inlet is arranged near described second air inlet, and described 4th air outlet is arranged near described second air outlet;
3rd control valve, is arranged in described first passage, and described 3rd control valve is used for connecting or closing described first passage;
4th control valve, be arranged in described second channel, described 4th control valve is used for connecting or closing described second channel, and under the state that described 3rd control valve and described 4th control valve are opened, the air flowing through described first passage and second channel can carry out heat transmission; Heat pump air conditioner, comprising:
Refrigerant line;
Outdoor unit, be arranged in refrigerant line, described outdoor unit comprises external heat exchanger, compressor, four-way change-over valve, choke valve and oil eliminator;
Internal exchanger, being arranged in described refrigerant line and connecting with described external heat exchanger, described internal exchanger is arranged in described air intake passage, and arranges closer to described first air outlet relative to described direct current channel and described 3rd air outlet;
Heat recovering heat exchanger, to be arranged in described refrigerant line and in parallel with described external heat exchanger, and described heat recovering heat exchanger is arranged in described air exhaust passage, and arranges closer to described second air outlet relative to described in line passage and described 4th air outlet.
The present invention provides a kind of building on the other hand, and comprise indoor environmental condition control unit provided by the present invention, described first air inlet is communicated with outdoor with the second air outlet, and described first air outlet is communicated with indoor with the second air inlet.
Based on above-mentioned, indoor environmental condition control unit provided by the invention, in use, can be communicated with the first air inlet with outdoor with the second air outlet, be communicated with by the first air outlet with the second air inlet with indoor.When indoor air need carry out upgrading and the cooling and heating load of indoor needs can be met by the new wind in outdoor time, the 3rd control valve and the 4th control valve can be closed and open the first control valve and the second control valve, open the first blower fan and the second blower fan simultaneously, now, outdoor new wind can enter air intake passage by the first air inlet, flowed into indoor after direct current channel by the first air outlet, simultaneously, room air then flows into air exhaust passage by the second air inlet, by outside the second air outlet discharge chamber after described in line passage, room air is made to be upgraded thus.When the cooling and heating load supplied in direct current channel exceedes indoor demand, the 3rd control valve and the 4th control valve can be opened, now the outdoor new wind of a part flows to the first air outlet by direct current channel, the outdoor new wind of a part is entered the first passage in heat reclamation device by the 3rd air inlet, a part of room air flows to the second air outlet by line passage simultaneously, part room air is entered the second channel in heat reclamation device by the 4th air inlet, because the air flowing through first passage and second channel can carry out heat transmission, thus make to realize heat transmission between the room air in the new wind in the outdoor in first passage and second channel, and then have adjusted the temperature flowing to the new wind in outdoor of the first air outlet through first passage, indoor are flowed into by the first air outlet through the new wind in the outdoor of direct current channel with after the new wind mixing in the outdoor of first passage, room air through in line passage and the room air through second channel are by outside the second air outlet discharge chamber, because the temperature flowing into the indoor new wind in outdoor can be adjusted, therefore while upgrading room air, be beneficial to the cooling and heating load of satisfied indoor needs, by adjusting the first control valve, second control valve, the aperture of the 3rd control valve and the 4th control valve adjusts through direct current channel, in line passage, the air quantity ratio of first passage and second channel, the temperature of the new wind in the outdoor of inflow indoor is enable to meet the cooling and heating load of indoor needs thus.When the aperture of adjustment first control valve, the second control valve, the 3rd control valve and the 4th control valve still can not meet the cooling and heating load of indoor needs, first control valve and the second control valve can be closed, and the 3rd control valve and the 4th control valve are opened, the temperature of the new wind in the outdoor of inflow indoor is made to access maximum adjustment thus, with the cooling and heating load of satisfied indoor needs.Indoor environmental condition control unit provided by the invention can play the effect of adjustment indoor temperature while upgrading room air, ensureing air quality thus, decrease the use of the conventional refrigeration such as air-conditioning, heating installation or heating equipment, improve modulability and flexibility, save the energy.When the first control valve and the second control valve are closed, and when still can not meet the cooling and heating load of indoor needs after the 3rd control valve and the 4th control valve being opened, can to close at the first control valve and the second control valve and under the 3rd control valve and the 4th control valve state of opening, open heat pump air conditioner simultaneously, the temperature flowing into the indoor new wind in outdoor is adjusted by internal exchanger, with the cooling and heating load of satisfied indoor needs, because heat recovering heat exchanger is arranged in described air exhaust passage, and arrange closer to described second air outlet relative to described in line passage and described 4th air outlet, the air of therefore being discharged by the 4th air outlet can carry out heat exchange through heat recovering heat exchanger and heat recovering heat exchanger, because the temperature of the air of the 4th air outlet discharge can between outdoor temperature and indoor temperature, therefore heat recovering heat exchanger heat radiation or heat absorption is more conducive to, and then the refrigeration of heat pump air conditioner can be improved, heating efficiency, reduce indoor environment system energy consumption.In addition, because heat recovering heat exchanger is in parallel with external heat exchanger, therefore, the change due to temperature in air exhaust passage can effectively be avoided, heat recovering heat exchanger can not meet the situation of heat pump air conditioner heat radiation or endothermic heat demand, improves the reliability that heat pump air conditioner uses.
Accompanying drawing explanation
The structural representation of a kind of indoor environmental condition control unit that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the control system in a kind of indoor environmental condition control unit that Fig. 2 provides for the embodiment of the present invention;
Reference numeral:
101: air intake passage; 102: the first air inlets;
103: the first air outlets; 104: direct current channel;
105: the first control valves; 106: the first blower fans;
107: air exhaust passage; 108: the second air inlets;
109: the second air outlets; 110: in line passage;
111: the second control valves; 112: the second blower fans;
113: heat reclamation device; 114: the three control valves;
115: the four control valves; 116: the three air inlets;
117: the three air outlets; 118: the four air inlets;
119: the four air outlets; 120: heat pump air conditioner;
121: refrigerant line; 122: outdoor unit;
123: internal exchanger; 124: heat recovering heat exchanger;
125: external heat exchanger; 126: return air control valve;
127: valve system; 128: controller;
129: temperature sensor; 130: air mass sensor;
131: low efficient filter; 132: medium effeciency filter;
133: high efficiency particulate air filter; 134: compressor;
135: four-way change-over valve; 136: choke valve;
137: oil eliminator.
Detailed description of the invention
Please refer to Fig. 1, the embodiment of the present invention provides a kind of indoor environmental condition control unit, comprise: air intake passage 101, comprise the first air inlet 102 and the first air outlet 103, described first air inlet 102 is for being communicated with outdoor, described first air outlet 103 is for being communicated with indoor, direct current channel 104 is provided with in described air intake passage 101, described direct current channel 104 is arranged along the length direction of described air intake passage 101, described direct current channel 104 is provided with the first control valve 105, described first control valve 105 is for connecting or closing described direct current channel 104, the first blower fan 106 is provided with in described air intake passage 101, described first blower fan 106 is for enabling air be flowed into by described first air inlet 102 and flowing to described first air outlet 103 through described direct current channel 104, air exhaust passage 107, comprise the second air inlet 108 and the second air outlet 109, described second air inlet 108 is for being communicated with indoor, described second air outlet 109 is for being communicated with outdoor, in line passage 110 is provided with in described air exhaust passage 107, described in line passage 110 is arranged along the length direction of described air exhaust passage 107, described in line passage 110 is provided with the second control valve 111, described second control valve 111 is for connecting or closing described in line passage 110, the second blower fan 112 is provided with in described air exhaust passage 107, described second blower fan 112 is for enabling air be flowed into by described second air inlet 108 and flowing to described second air outlet 109 through described in line passage 110, heat reclamation device 113, comprises first passage, second channel, the 3rd control valve 114 and the 4th control valve 115, described first passage comprises the 3rd air inlet 116 and the 3rd air outlet 117, described 3rd air inlet 116 and the 3rd air outlet 117 are arranged in described air intake passage 101, described 3rd air inlet 116 is arranged near described first air inlet 102, and described 3rd air outlet 117 is arranged near described first air outlet 103, described second channel comprises the 4th air inlet 118 and the 4th air outlet 119, described 4th air inlet 118 and the 4th air outlet 119 are arranged in described air exhaust passage 107, described 4th air inlet 118 is arranged near described second air inlet 108, and described 4th air outlet 119 is arranged near described second air outlet 109, 3rd control valve 114 is arranged in described first passage, and described 3rd control valve 114 is for connecting or closing described first passage, 4th control valve 115 is arranged in described second channel, described 4th control valve 115 is for connecting or closing described second channel, under the state that described 3rd control valve 114 and described 4th control valve 115 are opened, the air flowing through described first passage and second channel can carry out heat transmission, heat pump air conditioner, comprises refrigerant line 121, outdoor unit 122, internal exchanger 123 and heat recovering heat exchanger 124, outdoor unit 122 is arranged in refrigerant line 121, and described outdoor unit 122 comprises external heat exchanger 125, internal exchanger 123 to be arranged in described refrigerant line 121 and to connect with described external heat exchanger 125, described internal exchanger 123 is arranged in described air intake passage 101, and arranges closer to described first air outlet 103 relative to described direct current channel 104 and described 3rd air outlet 117, heat recovering heat exchanger 124 to be arranged in described refrigerant line 121 and in parallel with described external heat exchanger 125, described heat recovering heat exchanger 124 is arranged in described air exhaust passage 107, and arranges closer to described second air outlet 109 relative to described in line passage 110 and described 4th air outlet 119.
In the present embodiment, in use, the first air inlet 102 can be communicated with outdoor with the second air outlet 109, the first air outlet 103 is communicated with indoor with the second air inlet 108.When indoor air need carry out upgrading and the cooling and heating load of indoor needs can be met by the new wind in outdoor time, the 3rd control valve 114 and the 4th control valve 115 can be closed and open the first control valve 105 and the second control valve 111, open the first blower fan 106 and the second blower fan 112 simultaneously, air intake passage 101 can be entered by the first air inlet 102 to make outdoor new wind, indoor are flowed into by the first air outlet 103 after direct current channel 104, simultaneously, room air then flows into air exhaust passage 107 by the second air inlet 108, by outside the second air outlet 109 discharge chamber after described in line passage 110, room air is made to be upgraded thus.
When the cooling and heating load of supply in direct current channel 104 exceedes indoor demand, the 3rd control valve 114 and the 4th control valve 115 can be opened, the first air outlet 103 is flowed to by direct current channel 104 to make the outdoor new wind of a part, the outdoor new wind of a part is entered the first passage in heat reclamation device 113 by the 3rd air inlet 116, a part of room air flows to the second air outlet 109 by line passage 110 simultaneously, part room air is entered the second channel in heat reclamation device 113 by the 4th air inlet 118, because the air of the first passage and second channel that flow through heat reclamation device 113 can carry out heat transmission, thus make to realize heat transmission between the room air in the new wind in the outdoor in first passage and second channel, and then have adjusted the temperature flowing to the new wind in outdoor of the first air outlet 103 through first passage, indoor are flowed into by the first air outlet 103 through the new wind in the outdoor of direct current channel 104 with after the new wind mixing in the outdoor of first passage, room air through in line passage 110 and the room air through second channel are by outside the second air outlet 109 discharge chamber, because the temperature flowing into the indoor new wind in outdoor can be adjusted, therefore while upgrading room air, be beneficial to the cooling and heating load of satisfied indoor needs, by adjusting the first control valve 105, second control valve 111, the aperture of the 3rd control valve 114 and the 4th control valve 115 adjusts through direct current channel 104, in line passage 110, the air quantity ratio of first passage and second channel, the temperature of the new wind in the outdoor of inflow indoor is enable to meet the cooling and heating load of indoor needs thus.
When the aperture of adjustment first control valve 105, second control valve 111, the 3rd control valve 114 and the 4th control valve 115 still can not meet the cooling and heating load of indoor needs, first control valve 105 and the second control valve 111 can be closed, and the 3rd control valve 114 and the 4th control valve 115 are opened, the temperature of the new wind in the outdoor of inflow indoor is made to access maximum adjustment thus, with the cooling and heating load of satisfied indoor needs.Indoor environmental condition control unit thus in the present embodiment can play the effect of adjustment indoor temperature while upgrading room air, ensureing air quality, decrease the use of the conventional refrigeration such as air-conditioning, heating installation or heating equipment, improve modulability and flexibility, save the energy.
When the first control valve 105 and the second control valve 111 are closed, and when still can not meet the cooling and heating load of indoor needs after the 3rd control valve 114 and the 4th control valve 115 being opened, can to close at the first control valve 105 and the second control valve 111 and under the 3rd control valve 114 and the 4th control valve 115 state of opening, open heat pump air conditioner simultaneously, the temperature flowing into the indoor new wind in outdoor is adjusted by internal exchanger 123, with the cooling and heating load of satisfied indoor needs, because heat recovering heat exchanger 124 is arranged in described air exhaust passage 107, and arrange closer to described second air outlet 109 relative to described in line passage 110 and described 4th air outlet 119, the air of therefore being discharged by the 4th air outlet 119 can carry out heat exchange through heat recovering heat exchanger 124 and heat recovering heat exchanger 124, because the temperature of the air of the 4th air outlet 119 discharge can between outdoor temperature and indoor temperature, therefore be more conducive to heat recovering heat exchanger 124 dispel the heat or absorb heat, and then the refrigeration of heat pump air conditioner can be improved, heating efficiency, reduce indoor environment system energy consumption.In addition, because heat recovering heat exchanger 124 is in parallel with external heat exchanger 125, therefore, the change due to temperature in air exhaust passage 107 can effectively be avoided, heat recovering heat exchanger 124 can not meet the situation of heat pump air conditioner heat radiation or endothermic heat demand, improves the reliability that heat pump air conditioner uses.
Wherein, outdoor unit 122 also comprises compressor 134, four-way change-over valve 135, choke valve 136 and oil eliminator 137, the output of described compressor 134 is connected with the first interface of described four-way change-over valve 135, second interface of described four-way change-over valve 135 successively with internal exchanger 123, choke valve 136, external heat exchanger 125 is connected with the 4th interface of four-way change-over valve 135, 3rd interface of described four-way change-over valve 135 is connected with the input of oil eliminator 137 and compressor 134 successively, four-way change-over valve 135 can make first interface and the second interface simultaneously, 3rd interface and the 4th interface are connected or make first interface and the 4th interface simultaneously, second interface and the 3rd interface are connected.
In the present embodiment, preferably, indoor environmental condition control unit also comprises return air control valve 126, described return air control valve 126 is arranged between described air intake passage 101 and air exhaust passage 107, described return air control valve 126 is for connecting described air intake passage 101 and air exhaust passage 107 in the on state, and at described first control valve 105, second control valve 111, under the state that 3rd control valve 114 and the 4th control valve 115 are all closed, air can be made to be flowed into by described second air inlet 108 under the effect of described first blower fan 106 and flow to described first air outlet 103 through described internal exchanger 123, described return air control valve 126 cuts off described air intake passage 101 and air exhaust passage 107 for lower in off position.When the first control valve 105 and the second control valve 111 are closed, and after the 3rd control valve 114 and the 4th control valve 115 are opened, when still can not meet the cooling and heating load of indoor needs, and IAQ is when can meet the demands, can by the first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115 and the second blower fan 112 are all closed, open the first blower fan 106 simultaneously, return air control valve 126 and heat pump air conditioner, room air is made to be flowed into by the second air inlet 108 under the effect of the first blower fan 106 and flow to the first air outlet 103 through internal exchanger 123, and flow back to indoor by the first air outlet 103, farthest can utilize indoor temperature thus, further save the energy.
In the present embodiment, preferably, heat pump air conditioner also comprises valve system 127, and described valve system 127 is arranged in described refrigerant line 121, for connecting described external heat exchanger 125 and/or described heat recovering heat exchanger 124.Thus, under normal conditions, controllable valve door system 127 connects heat recovering heat exchanger 124, thus the air making heat recovering heat exchanger 124 that the 4th air outlet 119 can be utilized to discharge carries out dispelling the heat or absorbing heat, and then refrigeration, the heating efficiency of heat pump air conditioner can be improved, reduce indoor environment system energy consumption.When heat recovering heat exchanger 124 exchange capability of heat is not enough, when can not meet heat pump air conditioner heat radiation or endothermic heat demand, controllable valve door system 127 connects heat recovering heat exchanger 124 and external heat exchanger 125 simultaneously, thus improves the reliability of heat pump air conditioner use.When the first control valve 105, second control valve 111, the 3rd control valve 114, the 4th control valve 115 and the second blower fan 112 are all closed, when opening the first blower fan 106, return air control valve 126 and heat pump air conditioner simultaneously, controllable valve door system 127 connects external heat exchanger 125, to avoid the refrigeration, the heating efficiency that affect heat pump air conditioner.
Please refer to Fig. 2, in the present embodiment, preferably, indoor environmental condition control unit also comprises controller 128, described controller 128 respectively with described first blower fan 106, second blower fan 112, first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115, return air control valve 126, outdoor unit 122 is connected with valve system 127, described controller 128 is for controlling described first blower fan 106, second blower fan 112, first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115, the opening and closing of return air control valve 126 and heat pump air conditioner 120, and control described first control valve 105, second control valve 111, the aperture of the 3rd control valve 114 and the 4th control valve 115, and control described valve system 127 and connect described external heat exchanger 125 and/or described heat recovering heat exchanger 124.Thus, described first blower fan 106 can be controlled by controller 128, second blower fan 112, first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115, the opening and closing of return air control valve 126 and heat pump air conditioner 120, and control described first control valve 105, second control valve 111, the aperture of the 3rd control valve 114 and the 4th control valve 115, also can control described valve system 127 and connect described external heat exchanger 125 and/or described heat recovering heat exchanger 124, the adjustment of indoor air themperature is entered to realize convection current in above-mentioned various situation, and the operational efficiency of heat pump air conditioner 120 can be improved, easy to operate, control reliable.
In the present embodiment, preferably, indoor environmental condition control unit also comprises temperature sensor 129, described temperature sensor 129 is connected with described controller 128, described temperature sensor 129 is for sensing indoor temperature parameter and being supplied to described controller 128, described controller 128 is for controlling described first blower fan 106 according to temperature parameter, second blower fan 112, first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115, the opening and closing of return air control valve 126 and heat pump air conditioner 120, and control described first control valve 105, second control valve 111, the aperture of the 3rd control valve 114 and the 4th control valve 115, and control described valve system 127 and connect described external heat exchanger 125 and/or described heat recovering heat exchanger 124.Indoor temperature parameter can be sensed by temperature sensor 129, and the temperature parameter of indoor is supplied to controller 128, when temperature parameter does not reach preset value, namely the cooling and heating load that could not meet indoor needs is represented, controller 128 can control the first blower fan 106, second blower fan 112, first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115, the opening and closing of return air control valve 126 and heat pump air conditioner 120, and control the first control valve 105, second control valve 111, the aperture of the 3rd control valve 114 and the 4th control valve 115, to regulate the temperature flowing into indoor air, controller 128 also can control described valve system 127 and connect described external heat exchanger 125 and/or described heat recovering heat exchanger 124 to improve the operational efficiency of heat pump air conditioner 120, concrete control procedure can with reference to the operating process in above-mentioned each situation.Thus, can realize indoor environmental condition control unit is carried out automatically controlling accurately in real time, to improve the convenience and reliability that indoor environmental condition control unit uses, and further increase the comfortableness of modulability, flexibility and user.
In the present embodiment, preferably, indoor environmental condition control unit, also comprise air mass sensor 130, described air mass sensor 130 is connected with described controller 128, described air mass sensor 130 is for sensing indoor air quality parameters and being supplied to described controller 128, described controller 128 is for controlling described first blower fan 106 according to described air quality parameters and temperature parameter, second blower fan 112, first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115, the opening and closing of return air control valve 126 and heat pump air conditioner 120, and control described first control valve 105, second control valve 111, the aperture of the 3rd control valve 114 and the 4th control valve 115, and control described valve system 127 and connect described external heat exchanger 125 and/or described heat recovering heat exchanger 124.Indoor air quality parameters can be sensed by air mass sensor 130, and the air quality parameters of indoor is supplied to controller 128, when air quality parameters does not reach preset value, namely represent and could not reach indoor air quality requirements, controller 128 can control the first blower fan 106, second blower fan 112, first control valve 105 and the second control valve 111 is opened room air is upgraded.When entering indoor due to the new wind in outdoor and causing indoor temperature parameter not reach preset value, controller 128 can control the opening and closing of the first blower fan 106, second blower fan 112, first control valve 105, second control valve 111, the 3rd control valve 114, the 4th control valve 115 and heat pump air conditioner 120, and control the aperture of the first control valve 105, second control valve 111, the 3rd control valve 114 and the 4th control valve 115, to regulate the temperature flowing into indoor air.When controller 128 controls the first control valve 105 and the second control valve 111 is closed, and after controlling the 3rd control valve 114 and the unlatching of the 4th control valve 115, when indoor temperature parameter does not still reach preset value, and IAQ parameter is when can reach preset value, controller 128 can control the first control valve 105, second control valve 111, the 3rd control valve 114, the 4th control valve 115 and the second blower fan 112 and cut out, control the first blower fan 106, return air control valve 126 and heat pump air conditioner 120 to open, farthest to utilize indoor temperature simultaneously.Controller 128 also can control described valve system 127 and connect described external heat exchanger 125 and/or described heat recovering heat exchanger 124 to improve the operational efficiency of heat pump air conditioner 120 in addition.Thus, indoor temperature and air quality do not reach require time indoor environmental condition control unit can automatically adjust indoor temperature and air quality, the convenience that further raising indoor environmental condition control unit uses and reliability, and the comfortableness further increasing modulability, flexibility and user.Wherein, air mass sensor 130 can be carbon dioxide sensor etc.
In the present embodiment, preferably, indoor environmental condition control unit also comprises filtration system, and described filtration system is arranged between described first air inlet 102 and described first air outlet 103, for filtering the air being flowed to described first air outlet 103 by described first air inlet 102.Thus, filtration system can be filtered the air being flowed to described first air outlet 103 by described first air inlet 102, improves the quality flowing into indoor air.
In the present embodiment, preferably, filtration system comprises low efficient filter 131, medium effeciency filter 132 and high efficiency particulate air filter 133, described low efficient filter 131, medium effeciency filter 132 and high efficiency particulate air filter 133 are successively set between described first air inlet 102 and described first air outlet 103, described low efficient filter 131 and medium effeciency filter 132 are arranged on described first air inlet 102 place, and described high efficiency particulate air filter 133 is arranged on described first air outlet 103 place.Thus, filtration system can carry out three-stage filtration to the air being flowed to the first air outlet 103 by the first air inlet 102, further increases the quality flowing into indoor air.Because low efficient filter 131 and medium effeciency filter 132 are arranged on the first air inlet 102 place, therefore, it is possible to filter before outdoor air enters air intake passage 101, ensure that the cleannes of air intake passage 101.In addition, at the first control valve 105, second control valve 111, 3rd control valve 114, 4th control valve 115 and the second blower fan 112 are closed, first blower fan 106 simultaneously, under the state that return air control valve 126 and heat pump air conditioner 120 are opened, room air is flowed into by the second air inlet 108 and flows to the first air outlet 103 through high efficiency particulate air filter 133 under the effect of the first blower fan 106, owing to there are certain cleannes by the second air inlet 108 leaked-in air, therefore only filter effect can need be reached through the high efficiency particulate air filter 133 arranging the first air outlet 103 by the second air inlet 108 leaked-in air, the structure of the filtration system therefore in the present embodiment is comparatively reasonable, purify air better effects if.
The embodiment of the present invention provides a kind of building, comprises the indoor environmental condition control unit described in any embodiment of the present invention, and described first air inlet 102 is communicated with outdoor with the second air outlet 109, and described first air outlet 103 is communicated with indoor with the second air inlet 108.
In the present embodiment, when indoor air need carry out upgrading and the cooling and heating load of indoor needs can be met by the new wind in outdoor time, the 3rd control valve 114 and the 4th control valve 115 can be closed and open the first control valve 105 and the second control valve 111, open the first blower fan 106 and the second blower fan 112 simultaneously, now, outdoor new wind can enter air intake passage 101 by the first air inlet 102, indoor are flowed into by the first air outlet 103 after direct current channel 104, simultaneously, room air then flows into air exhaust passage 107 by the second air inlet 108, by outside the second air outlet 109 discharge chamber after described in line passage 110, room air is made to be upgraded thus.When the cooling and heating load of supply in direct current channel 104 exceedes indoor demand, the 3rd control valve 114 and the 4th control valve 115 can be opened, now the outdoor new wind of a part flows to the first air outlet 103 by direct current channel 104, the outdoor new wind of a part is entered the first passage in heat reclamation device 113 by the 3rd air inlet 116, a part of room air flows to the second air outlet 109 by line passage 110 simultaneously, part room air is entered the second channel in heat reclamation device 113 by the 4th air inlet 118, because the air flowing through first passage and second channel can carry out heat transmission, thus make to realize heat transmission between the room air in the new wind in the outdoor in first passage and second channel, and then have adjusted the temperature flowing to the new wind in outdoor of the first air outlet 103 through first passage, indoor are flowed into by the first air outlet 103 through the new wind in the outdoor of direct current channel 104 with after the new wind mixing in the outdoor of first passage, room air through in line passage 110 and the room air through second channel are by outside the second air outlet 109 discharge chamber, because the temperature flowing into the indoor new wind in outdoor can be adjusted, therefore while upgrading room air, be beneficial to the cooling and heating load of satisfied indoor needs, by adjusting the first control valve 105, second control valve 111, the aperture of the 3rd control valve 114 and the 4th control valve 115 adjusts through direct current channel 104, in line passage 110, the air quantity ratio of first passage and second channel, the temperature of the new wind in the outdoor of inflow indoor is enable to meet the cooling and heating load of indoor needs thus.When the aperture of adjustment first control valve 105, second control valve 111, the 3rd control valve 114 and the 4th control valve 115 still can not meet the cooling and heating load of indoor needs, first control valve 105 and the second control valve 111 can be closed, and the 3rd control valve 114 and the 4th control valve 115 are opened, the temperature of the new wind in the outdoor of inflow indoor is made to access maximum adjustment thus, with the cooling and heating load of satisfied indoor needs.Indoor environmental condition control unit thus in the present embodiment can play the effect of adjustment indoor temperature while upgrading room air, ensureing air quality, decrease the use of the conventional refrigeration such as air-conditioning, heating installation or heating equipment, improve modulability and flexibility, save the energy.When the first control valve 105 and the second control valve 111 are closed, and when still can not meet the cooling and heating load of indoor needs after the 3rd control valve 114 and the 4th control valve 115 being opened, can to close at the first control valve 105 and the second control valve 111 and under the 3rd control valve 114 and the 4th control valve 115 state of opening, open heat pump air conditioner 120 simultaneously, the temperature flowing into the indoor new wind in outdoor is adjusted by internal exchanger 123, with the cooling and heating load of satisfied indoor needs, because heat recovering heat exchanger 124 is arranged in described air exhaust passage 107, and arrange closer to described second air outlet 109 relative to described in line passage 110 and described 4th air outlet 119, the air of therefore being discharged by the 4th air outlet 119 can carry out heat exchange through heat recovering heat exchanger 124 and heat recovering heat exchanger 124, because the temperature of the air of the 4th air outlet 119 discharge can between outdoor temperature and indoor temperature, therefore be more conducive to heat recovering heat exchanger 124 dispel the heat or absorb heat, and then the refrigeration of heat pump air conditioner 120 can be improved, heating efficiency, reduce indoor environment system energy consumption.In addition, because heat recovering heat exchanger 124 is in parallel with external heat exchanger 125, therefore, effectively can avoid the change due to temperature in air exhaust passage 107, heat recovering heat exchanger 124 can not meet heat pump air conditioner 120 and dispel the heat or the situation of endothermic heat demand, improves the reliability that heat pump air conditioner 120 uses.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (9)

1. an indoor environmental condition control unit, is characterized in that, comprising:
Air intake passage, comprise the first air inlet and the first air outlet, described first air inlet is used for being communicated with outdoor, described first air outlet is used for being communicated with indoor, direct current channel is provided with in described air intake passage, described direct current channel is arranged along the length direction of described air intake passage, described direct current channel is provided with the first control valve, described first control valve is used for connecting or closing described direct current channel, be provided with the first blower fan in described air intake passage, described first blower fan is used for enabling air be flowed into by described first air inlet and be flowed to described first air outlet through described direct current channel;
Air exhaust passage, comprise the second air inlet and the second air outlet, described second air inlet is used for being communicated with indoor, described second air outlet is used for being communicated with outdoor, in line passage is provided with in described air exhaust passage, described in line passage is arranged along the length direction of described air exhaust passage, described in line passage is provided with the second control valve, described second control valve is used for connecting or closing described in line passage, be provided with the second blower fan in described air exhaust passage, described second blower fan is used for enabling air be flowed into by described second air inlet and be flowed to described second air outlet through described in line passage;
Heat reclamation device, comprising:
First passage, described first passage comprises the 3rd air inlet and the 3rd air outlet, described 3rd air inlet and the 3rd air outlet are arranged in described air intake passage, and described 3rd air inlet is arranged near described first air inlet, and described 3rd air outlet is arranged near described first air outlet;
Second channel, described second channel comprises the 4th air inlet and the 4th air outlet, described 4th air inlet and the 4th air outlet are arranged in described air exhaust passage, and described 4th air inlet is arranged near described second air inlet, and described 4th air outlet is arranged near described second air outlet;
3rd control valve, is arranged in described first passage, and described 3rd control valve is used for connecting or closing described first passage;
4th control valve, be arranged in described second channel, described 4th control valve is used for connecting or closing described second channel, and under the state that described 3rd control valve and described 4th control valve are opened, the air flowing through described first passage and second channel can carry out heat transmission; Heat pump air conditioner, comprising:
Refrigerant line;
Outdoor unit, be arranged in refrigerant line, described outdoor unit comprises external heat exchanger, compressor, four-way change-over valve, choke valve and oil eliminator;
Internal exchanger, being arranged in described refrigerant line and connecting with described external heat exchanger, described internal exchanger is arranged in described air intake passage, and arranges closer to described first air outlet relative to described direct current channel and described 3rd air outlet;
Heat recovering heat exchanger, to be arranged in described refrigerant line and in parallel with described external heat exchanger, and described heat recovering heat exchanger is arranged in described air exhaust passage, and arranges closer to described second air outlet relative to described in line passage and described 4th air outlet.
2. indoor environmental condition control unit according to claim 1, it is characterized in that, also comprise return air control valve, described return air control valve is arranged between described air intake passage and air exhaust passage, described return air control valve is used for connecting described air intake passage and air exhaust passage in the on state, and at described first control valve, second control valve, under the state that 3rd control valve and the 4th control valve are all closed, air can be made to be flowed into by described second air inlet and be flowed to described first air outlet through described internal exchanger under the effect of described first blower fan, described return air control valve is used for the described air intake passage of lower partition and air exhaust passage in off position.
3. indoor environmental condition control unit according to claim 2, it is characterized in that, described heat pump air conditioner also comprises valve system, and described valve system is arranged in described refrigerant line, for connecting described external heat exchanger and/or described heat recovering heat exchanger.
4. indoor environmental condition control unit according to claim 3, it is characterized in that, also comprise controller, described controller respectively with described first blower fan, second blower fan, first control valve, second control valve, 3rd control valve, 4th control valve, return air control valve, outdoor unit is connected with valve system, described controller is for controlling described first blower fan, second blower fan, first control valve, second control valve, 3rd control valve, 4th control valve, the opening and closing of return air control valve and heat pump air conditioner, and control described first control valve, second control valve, the aperture of the 3rd control valve and the 4th control valve, and control described valve system and connect described external heat exchanger and/or described heat recovering heat exchanger.
5. indoor environmental condition control unit according to claim 4, it is characterized in that, also comprise temperature sensor, described temperature sensor is connected with described controller, described temperature sensor is for sensing indoor temperature parameter and being supplied to described controller, described controller is used for controlling described first blower fan according to temperature parameter, second blower fan, first control valve, second control valve, 3rd control valve, 4th control valve, the opening and closing of return air control valve and heat pump air conditioner, and control described first control valve, second control valve, the aperture of the 3rd control valve and the 4th control valve, and control described valve system and connect described external heat exchanger and/or described heat recovering heat exchanger.
6. indoor environmental condition control unit according to claim 5, it is characterized in that, also comprise air mass sensor, described air mass sensor is connected with described controller, described air mass sensor is for sensing indoor air quality parameters and being supplied to described controller, described controller is used for controlling described first blower fan according to described air quality parameters and temperature parameter, second blower fan, first control valve, second control valve, 3rd control valve, 4th control valve, the opening and closing of return air control valve and heat pump air conditioner, and control described first control valve, second control valve, the aperture of the 3rd control valve and the 4th control valve, and control described valve system and connect described external heat exchanger and/or described heat recovering heat exchanger.
7. according to described indoor environmental condition control unit arbitrary in claim 1-6, it is characterized in that, also comprise filtration system, described filtration system is arranged between described first air inlet and described first air outlet, for filtering the air being flowed to described first air outlet by described first air inlet.
8. indoor environmental condition control unit according to claim 7, it is characterized in that, described filtration system comprises low efficient filter, medium effeciency filter and high efficiency particulate air filter, described low efficient filter, medium effeciency filter and high efficiency particulate air filter are successively set between described first air inlet and described first air outlet, described low efficient filter and medium effeciency filter are arranged on described first air inlet, and described high efficiency particulate air filter is arranged on described first air outlet place.
9. a building, is characterized in that, comprises the indoor environmental condition control unit according to any one of claim 1-8, and described first air inlet is communicated with outdoor with the second air outlet, and described first air outlet is communicated with indoor with the second air inlet.
CN201610074470.1A 2016-02-02 2016-02-02 Indoor environmental condition control unit and building Active CN105546684B (en)

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