CN104101061A - Indoor temperature and humidity regulating device - Google Patents
Indoor temperature and humidity regulating device Download PDFInfo
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- CN104101061A CN104101061A CN201310121886.0A CN201310121886A CN104101061A CN 104101061 A CN104101061 A CN 104101061A CN 201310121886 A CN201310121886 A CN 201310121886A CN 104101061 A CN104101061 A CN 104101061A
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Abstract
The invention belongs to the field of air conditioners, and discloses an indoor temperature and humidity regulating device. The indoor temperature and humidity regulating device comprises a heater, a humidifier, a temperature sensor, a humidity sensor, a controller, a hot air bypass electronic regulating valve, a main loop electronic expansion valve, a compressor and a condenser. By adopting the indoor temperature and humidity regulating device, the sensible heat capability and latent heat capability can be regulated separately, the load situation requirements of different enthalpy difference test rooms can be met, the consumption of electric energy due to inefficient refrigeration and ineffective dehumidification during working condition regulation is lowered, electric energy is saved, and the investment cost is reduced.
Description
Technical field
The invention belongs to field of air conditioning, be specifically related to temperature humidity adjusting device in a kind of air conditioning labor.
Background technology
Current air-conditioner laboratory fixing refrigeration or the electrodeless warming and humidifyings of adopting reach regulating working conditions more.Because the cold of refrigeration machine is unadjustable, sensible heat ratio is unadjustable, the invalid refrigeration and the dehumidifying that in the process of operating mode balance, bring, and the cold of this part need to carry out balance by electrical heating and electric humidification, causes the operation energy consumption of routine test chamber huge.
A 5HP enthalpy difference experiment chamber is example, in order to meet the test needs of a 5HP air-conditioning, often needs the cold machine of the inside and outside about 30HP of configuration, and the configuration of heating and humidification is not less than 72kW.Maximum capacity amount configuration during operation may reach 120KVA left and right.In the middle of this, power consumption is greatly to cancel out each other, and has caused the waste of mass energy in fact.
China Shi Yige air-conditioning big producing country, enthalpy difference experiment chamber is the makers' standard detection equipment of air-conditioning, and consumption is huge, and take the air-conditioning manufactory of 1,500 ten thousand of certain annual productions is example, and it is equipped with laboratory is 270.Average every 50,000 products will possess Yi Ge laboratory.In the operation energy consumption 80kW per hour of laboratory, it is 1.9 hundred million kilowatt hours that a year operation electric energy expends, and by local electricity price, within 1 year, expends 1.95 hundred million yuan, needs expensive economic input.
Summary of the invention
The object of the present invention is to provide a kind of indoor temperature and humidity adjusting device, to solve the large shortcoming of energy consumption when indoor temperature and humidity is regulated, thereby reduce its economic loss.
Electric apparatus control apparatus of the present invention, comprise the electric heater and the electric moistening device that are provided with blower fan, it is characterized in that, described device also comprises: compressor, condenser, refrigeration coil, hot gas coil pipe, hot-gas bypass electronic regulated valve, major loop electric expansion valve, pressure of inspiration(Pi) balanced valve, temperature sensor, humidity sensor, temperature controller, humidity controller, and described compressor air-discharging end is connected with the input of condenser, the first end of hot-gas bypass electronic regulated valve respectively; The second end of described hot-gas bypass electronic regulated valve is connected to the input of hot gas coil pipe; Described hot gas coil pipe output is connected with the input of refrigeration coil output, pressure of inspiration(Pi) balanced valve, and the output of described pressure of inspiration(Pi) balanced valve is connected with described compressor input; The output of described condenser connects described major loop electric expansion valve first end, the second end of described major loop electric expansion valve connects refrigeration coil input, described temperature controller is connected with temperature sensor, electric heater, hot-gas bypass electronic regulated valve electricity respectively, and described humidity controller is connected with humidity sensor, electric moistening device, major loop electric expansion valve electricity respectively.
Preferably, described temperature controller, humidity controller are the PID controller of cold and hot lose-lose removing from mould, the control hot junction of described temperature controller is connected with described electric heater electricity by solid-state relay, the electric expansion valve electricity that the control cold junction of described temperature controller is logical with described hot gas dish is connected, the control hot junction of described humidity controller is connected with described electric moistening device electricity by solid-state relay, and the control cold junction of described humidity controller is connected with described major loop electric expansion valve electricity.
Further, described pressure of inspiration(Pi) balanced valve is crankcase.
Described refrigeration coil surface is provided with dehumidifying baffle plate.
Adopt indoor temperature and humidity adjusting device of the present invention, temperature regulation section is divided and is comprised heater and hot-gas bypass electronic regulated valve, humidity regulation partly comprises humidifier and major loop electric expansion valve, by controlling the size of hot-gas bypass electronic regulated valve, can regulate indoor temperature, by control heater, can do further to promote to temperature, the refrigeration system consisting of compressor and condenser can be to the temperature adjusting of lowering the temperature; And can regulate the evaporating pressure in refrigeration coil by major loop electric expansion valve, thus change the evaporating temperature of refrigeration coil, affect its aobvious cold energy power and latent cold energy power, indoor humidity is regulated, can also to humidity, further regulate by humidifier.The present invention can be independent adjusting sensible capacity and latent heat ability, can meet the load condition requirement of different enthalpy difference experiments chamber, reduce invalid refrigeration, the loss of invalid dehumidifying to electric energy in regulating working conditions process, occur, save electric energy, reduce input cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of temperature humidity adjusting device provided by the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the syndeton schematic diagram of temperature humidity adjusting device of the present invention, and details are as follows:
This indoor temperature and humidity adjusting device, comprise electric heater 14 and electric moistening device 15, compressor 8, condenser 9, refrigeration coil 2, hot gas coil pipe 1, hot-gas bypass electronic regulated valve 6, major loop electric expansion valve 7, pressure of inspiration(Pi) balanced valve 3, temperature sensor 10, humidity sensor 4, temperature controller 11, humidity controller 5, compressor 8 exhaust ends are connected with the input of condenser 9, the first end of hot-gas bypass electronic regulated valve 6 respectively; The second end of hot-gas bypass electronic regulated valve 6 is connected to the input of hot gas coil pipe 1; Hot gas coil pipe 1 output is connected with the input of refrigeration coil 2 outputs, pressure of inspiration(Pi) balanced valve 3, and the output of pressure of inspiration(Pi) balanced valve 3 is connected with compressor 8 inputs; The output of condenser 9 connects major loop electric expansion valve 7 first ends, the second end of major loop electric expansion valve 7 connects refrigeration coil 2 inputs, temperature controller 11 respectively with temperature sensor 10, control electrically heated solid-state relay 13, hot-gas bypass electronic regulated valve 6 electricity and be connected, humidity controller 5 respectively with humidity sensor 4, the solid-state relay 12 of controlling electric humidification, major loop electric expansion valve 7 is electric is connected.
Wherein, electric heater 14 is arranged on heating pipe dish 1, and electric moistening device 15 is arranged on refrigeration coil 2.Temperature controller 11, humidity controller 5 are PID controller 5, and temperature controller 11, humidity controller 5 are connected with electric heater 14 with electric moistening device 15 by solid-state relay (solid-state relay 13 and solid-state relay 12) respectively.On electric moistening device 15 and electric heater 14, be respectively arranged with blower fan (blower fan 17 and blower fan 18).Pressure of inspiration(Pi) balanced valve 3 is crankcase.Described refrigeration coil surface is provided with dehumidifying baffle plate 16.
The control end of the control end of hot-gas bypass electronic regulated valve 6, major loop electric expansion valve 7 refers to the interface that can be used for electronic control regulating valve door 7 sizes, for electronic valve, be conventionally all provided with Electronic Control interface, the big or small degree of coming corresponding control valve to open and close by the output level being connected with controller.
Due to the refrigeration performance of compressor 8, affected by pressure of inspiration(Pi) larger, when suction and discharge pressure reduction is larger, ability decay is severe, and directly regulate electric expansion valve to change evaporating pressure on a large scale, can produce considerable influence to refrigeration system service behaviour, have the risk of unbalance of system, at the input of humidifier output, heater output Bonding pressure balanced valve, the output of equilibrated valve is connected with compressor 8 inputs.Like this can constant performance of refrigerant systems, meet the constant requirement of refrigerating capacity maximum capacity pump on a large scale, can setting pressure balanced valve be crankcase, maintain constant pressure, guarantee that compressor 8 ability under different operating modes is basicly stable.
The present invention includes temperature and regulate and humidity regulation two parts, it realizes principle, and details are as follows:
Temperature regulation section is divided and is comprised temperature sensor 10, the controller being connected with temperature sensor 10 and the heater being connected with controller, hot-gas bypass electronic regulated valve 6, compressor 8, the condenser 9 being arranged on by tune space.
Electric heater 14 is connected with temperature controller 11 by solid-state relay 17, temperature controller 11 receives the temperature signal that temperature sensor 10 sends, judgement need to be sent the signal that requires intensification, hot-gas bypass electronic expansion valve opening can increase, hot-gas bypass coil pipe is heated room, when aperture is maximum, still cannot meet intensification requirement, solid-state relay 17 is controlled in hot junction again, its unit interval on-state rate will be increased, electric heater 14 work, make to be adjusted the temperature in space to raise, now, the duty of refrigerating plant in minimum sensible heat, refrigerating efficiency is minimum.
Refrigerating plant comprises that compressor 8, condenser 9, major loop electric expansion valve 7, hot-gas bypass electronic regulated valve 6, hot gas coil pipe 1, refrigeration coil 2 and pressure of inspiration(Pi) balanced valve 3 form.
Hot-gas bypass control valve is connected with controller.When environment temperature is during higher than desired value, controller will send the signal that requires cooling, progressively reduce the heat that adds of heating tube, when heating tube is no longer during quantity of heat given up, hot-gas bypass control valve opening, will continue to reduce, and heat is reduced to minimum, owing to there being refrigeration coil 2, so environment temperature progressively reduces, now electric heater 14 is in minimum output or no-output state; When temperature is during lower than desired value, controller will send the signal that requires heating, first progressively increase hot-gas bypass valve opening, and the vapours of refrigeration machine is progressively offset refrigeration coil 2 colds, when hot-gas bypass is maximum, be equivalent to without refrigeration output.If now temperature is still lower than target temperature, electric heater 14 starts with heat rooms air.
Damping device is electric moistening device 15, by solid-state relay 12, be connected with controller, humidity controller 5 will send the signal that requires humidification, the unit interval on-state rate of solid-state relay 12 will increase, spraying into water vapour makes to be adjusted the humidity in space to raise, now, the duty of refrigerating plant (refrigeration coil 2, electric moistening device 15 and blower fan 18) in minimum dehumidifying;
Major loop electric expansion valve 7 is connected with humidity controller 5.When humidity is during higher than desired value, humidity controller 5, by sending the signal that requires dehumidifying, reduces expansion valve opening, dehumidifying coil pipe dew-point temperature declines, thereby increase the enthalpy difference that air flows through coil pipe, moisture removal increases, now electric moistening device 15 is in minimum output or no-output state; When humidity is during lower than desired value, humidity controller 5 will send the signal that requires humidification, first progressively increase expansion valve opening, the coil pipe dew-point temperature that makes to dehumidify rises, moisture removal reduces, when the highest dew point of operation is during still lower than surrounding air dew point, open electric moistening device 15 to environment steam injection to increase room humidity.
Pressure of inspiration(Pi) control section, by the pressure of inspiration(Pi) of crankcase automatic control compressor 8, maintains constant pressure, guarantees that compressor 8 ability under different operating modes is basicly stable.
Energy-saving temperature wet cooling condition regulating system of the present invention, aobvious cold and latent cold become independent adjustable parameter, can be directly according to by the burden requirement of test-run a machine and working condition requirement, provide automatically and steadily corresponding aobvious cold-peace to dive cold, do not need or only need seldom extra internal compensation completely, effectively reduced the loss of energy, can greatly save the operating cost of thermostatic constant wet chamber, there is the advantages such as accuracy is high, control is convenient, simple to operate, energy-conserving and environment-protective, and greatly reduce the operation power consumption in high-accuracy and constant greenhouse.
The technical scheme above embodiment of the present invention being provided is described in detail, applied specific case herein the principle of the embodiment of the present invention and embodiment are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the present invention; , for one of ordinary skill in the art, according to the embodiment of the present invention, in the specific embodiment and range of application, all will change, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (4)
1. an indoor temperature and humidity adjusting device, comprise the electric heater and the electric moistening device that are provided with blower fan, it is characterized in that, described device also comprises: compressor, condenser, refrigeration coil, hot gas coil pipe, hot-gas bypass electronic regulated valve, major loop electric expansion valve, pressure of inspiration(Pi) balanced valve, temperature sensor, humidity sensor, temperature controller, humidity controller, and described compressor air-discharging end is connected with the input of condenser, the first end of hot-gas bypass electronic regulated valve respectively; The second end of described hot-gas bypass electronic regulated valve is connected to the input of hot gas coil pipe; Described hot gas coil pipe output is connected with the input of refrigeration coil output, pressure of inspiration(Pi) balanced valve, and the output of described pressure of inspiration(Pi) balanced valve is connected with described compressor input; The output of described condenser connects described major loop electric expansion valve first end, the second end of described major loop electric expansion valve connects refrigeration coil input, described temperature controller is connected with temperature sensor, electric heater, hot-gas bypass electronic regulated valve electricity respectively, and described humidity controller is connected with humidity sensor, electric moistening device, major loop electric expansion valve electricity respectively.
2. temperature humidity adjusting device according to claim 1, it is characterized in that, described temperature controller, humidity controller are the PID controller of cold and hot lose-lose removing from mould, the control hot junction of described temperature controller is connected with described electric heater electricity by solid-state relay, the electric expansion valve electricity that the control cold junction of described temperature controller is logical with described hot gas dish is connected, the control hot junction of described humidity controller is connected with described electric moistening device electricity by solid-state relay, and the control cold junction of described humidity controller is connected with described major loop electric expansion valve electricity.
3. temperature humidity adjusting device according to claim 1, is characterized in that, described pressure of inspiration(Pi) balanced valve is crankcase.
4. temperature humidity adjusting device according to claim 1, is characterized in that, described refrigeration coil surface is provided with dehumidifying baffle plate.
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CN201310121886.0A CN104101061A (en) | 2013-04-10 | 2013-04-10 | Indoor temperature and humidity regulating device |
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CN201310121886.0A CN104101061A (en) | 2013-04-10 | 2013-04-10 | Indoor temperature and humidity regulating device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108168039A (en) * | 2018-01-22 | 2018-06-15 | 广东美的制冷设备有限公司 | Progress control method, device, air conditioner and computer readable storage medium |
CN109323410A (en) * | 2018-09-30 | 2019-02-12 | 广东美的制冷设备有限公司 | Air conditioner and its control method, device |
CN110637198A (en) * | 2017-05-19 | 2019-12-31 | 大金工业株式会社 | Air conditioning system |
CN113819605A (en) * | 2021-09-08 | 2021-12-21 | 青岛海尔空调器有限总公司 | Method and device for adjusting humidity, server and storage medium |
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JP2002333191A (en) * | 1993-06-01 | 2002-11-22 | Hitachi Ltd | Air conditioner |
CN2874329Y (en) * | 2005-11-28 | 2007-02-28 | 威海际高制冷空调设备有限公司 | House type new air dehumidifier |
CN102062461A (en) * | 2011-01-19 | 2011-05-18 | 广州天河兰石技术开发有限公司 | Four-range air conditioning system with independent temperature and humidity conditioning |
CN202581675U (en) * | 2012-03-15 | 2012-12-05 | 广州天河兰石技术开发有限公司 | Temperature and humidity working condition adjusting system |
CN203231463U (en) * | 2013-04-10 | 2013-10-09 | 广州天河兰石技术开发有限公司 | Indoor temperature/humidity regulation unit |
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2013
- 2013-04-10 CN CN201310121886.0A patent/CN104101061A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002333191A (en) * | 1993-06-01 | 2002-11-22 | Hitachi Ltd | Air conditioner |
CN2874329Y (en) * | 2005-11-28 | 2007-02-28 | 威海际高制冷空调设备有限公司 | House type new air dehumidifier |
CN102062461A (en) * | 2011-01-19 | 2011-05-18 | 广州天河兰石技术开发有限公司 | Four-range air conditioning system with independent temperature and humidity conditioning |
CN202581675U (en) * | 2012-03-15 | 2012-12-05 | 广州天河兰石技术开发有限公司 | Temperature and humidity working condition adjusting system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110637198A (en) * | 2017-05-19 | 2019-12-31 | 大金工业株式会社 | Air conditioning system |
CN110637198B (en) * | 2017-05-19 | 2021-02-19 | 大金工业株式会社 | Air conditioning system |
CN108168039A (en) * | 2018-01-22 | 2018-06-15 | 广东美的制冷设备有限公司 | Progress control method, device, air conditioner and computer readable storage medium |
CN109323410A (en) * | 2018-09-30 | 2019-02-12 | 广东美的制冷设备有限公司 | Air conditioner and its control method, device |
CN113819605A (en) * | 2021-09-08 | 2021-12-21 | 青岛海尔空调器有限总公司 | Method and device for adjusting humidity, server and storage medium |
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