CN203231463U - Indoor temperature/humidity regulation unit - Google Patents

Indoor temperature/humidity regulation unit Download PDF

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Publication number
CN203231463U
CN203231463U CN 201320175584 CN201320175584U CN203231463U CN 203231463 U CN203231463 U CN 203231463U CN 201320175584 CN201320175584 CN 201320175584 CN 201320175584 U CN201320175584 U CN 201320175584U CN 203231463 U CN203231463 U CN 203231463U
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China
Prior art keywords
humidity
hot
temperature
valve
controller
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Expired - Fee Related
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CN 201320175584
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Chinese (zh)
Inventor
唐峥
罗祥坤
刘辉林
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GZ-LANS EXPERIMENTAL TECHNOLOGY Co Ltd
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GZ-LANS EXPERIMENTAL TECHNOLOGY Co Ltd
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Abstract

The utility model belongs to the field of air conditioners and discloses an indoor temperature/humidity regulation unit comprising an electric heater having a fan and an electric humidifier also having a fan. The indoor temperature/humidity regulation unit further comprises a compressor, a condenser, a refrigeration coil, a hot air coil, a hot air bypass electronic regulation valve, a main loop electronic expansion valve, a suction pressure balance valve, a temperature sensor, a humidity sensor, a temperature controller, and a humidity controller. The exhaust end of the compressor is connected with the input end of the condenser and the first end of the hot air bypass electronic regulation valve. The indoor temperature/humidity regulation unit has the advantages that sensible heat capacity and latent heat capacity can be regulated independently, load condition requirements of different enthalpy difference test rooms can be met, electricity loss upon ineffective refrigeration and ineffective dehumidification during the condition regulation process is less, electricity is saved, and input cost is lower.

Description

A kind of indoor temperature and humidity adjusting device
Technical field
The utility model belongs to field of air conditioning, is specifically related to temperature humidity adjusting device in a kind of air conditioning labor.
Background technology
Present air conditioning test chamber 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 carry out balance by electrical heating and electric humidification, causes the operation energy consumption of routine test chamber huge.
A 5HP enthalpy difference laboratory is example, in order to satisfy the test needs of a 5HP air-conditioning, often needs to dispose the cold machine of inside and outside about 30HP, and the configuration of heating and humidification is not less than 72kW.Maximum capacity amount configuration during operation may reach about 120KVA.In the middle of this, power consumption greatly is to cancel out each other, and has caused the waste of a large amount of energy in fact.
China is an air-conditioning big producing country, and enthalpy difference laboratory is the makers' standard detection equipment of air-conditioning, and consumption is huge, is example with the air-conditioning manufactory of 1,500 ten thousand of certain annual productions, and it is equipped with laboratory is 270.Average per 50,000 products will possess a 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, expends 1.95 hundred million yuan in 1 year, needs the input of expensive economy.
The utility model content
The purpose of this utility model is to provide a kind of indoor temperature and humidity adjusting device, with solution big shortcoming of energy consumption when indoor temperature and humidity is regulated, thereby reduces its economic loss.
Electric apparatus control apparatus described in the utility model, 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 electrical adjustment valve, major loop electric expansion valve, pressure of inspiration(Pi) balanced valve, temperature sensor, humidity sensor, temperature controller, humidity controller, described compressor air-discharging end link to each other with the input of condenser, first end of hot-gas bypass electrical adjustment valve respectively; Second end of described hot-gas bypass electrical adjustment valve is connected to the input of hot gas coil pipe; Described hot gas coil pipe output links to each other with the input of refrigeration coil output, pressure of inspiration(Pi) balanced valve, and the output of described pressure of inspiration(Pi) balanced valve links to each other with described compressor input; The output of described condenser connects described major loop electric expansion valve first end, second end of described major loop electric expansion valve connects the refrigeration coil input, described temperature controller links to each other with temperature sensor, electric heater, hot-gas bypass electrical adjustment valve electricity respectively, and described humidity controller links to each other 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 links to each other with described electric heater electricity by solid-state relay, the control cold junction of described temperature controller links to each other with described hot-gas bypass electrical adjustment valve electricity, the control hot junction of described humidity controller links to each other with described electric moistening device electricity by solid-state relay, and the control cold junction of described humidity controller links to each other with described major loop electric expansion valve electricity.
Further, described pressure of inspiration(Pi) balanced valve is crankcase.
Described refrigeration coil surface is equipped with the dehumidifying baffle plate.
Adopt indoor temperature and humidity adjusting device described in the utility model, the temperature regulation section branch comprises heater and hot-gas bypass electrical adjustment valve, humidity regulation partly comprises humidifier and major loop electric expansion valve, size by control hot-gas bypass electrical adjustment valve, can regulate indoor temperature, can do further to promote to temperature by control heater, the refrigeration system of forming by compressor and condenser can be to the temperature adjusting of lowering the temperature; And can regulate evaporating pressure in the refrigeration coil by the major loop electric expansion valve, thus change the evaporating temperature of refrigeration coil, influence its apparent cold energy power and latent cold energy power, indoor humidity is regulated, can also further regulate humidity by humidifier.The utility model can be independent adjusting sensible capacity and latent heat ability, can satisfy the load condition requirement of different enthalpy difference laboratory, the invalid refrigeration that minimizing occurs in the regulating working conditions process, invalid dehumidifying are saved electric energy to the loss of electric energy, reduce input cost.
Description of drawings
Fig. 1 is the structural representation of temperature humidity adjusting device provided by the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the syndeton schematic diagram of temperature humidity adjusting device of the present utility model, 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 electrical adjustment 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 link to each other with the input of condenser 9, first end of hot-gas bypass electrical adjustment valve 6 respectively; Second end of hot-gas bypass electrical adjustment valve 6 is connected to the input of hot gas coil pipe 1; Hot gas coil pipe 1 output links to each other 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 links to each other with compressor 8 inputs; The output of condenser 9 connects major loop electric expansion valve 7 first ends, second end of major loop electric expansion valve 7 connects refrigeration coil 2 inputs, temperature controller 11 links to each other with temperature sensor 10, the electrically heated solid-state relay 13 of control, hot-gas bypass electrical adjustment valve 6 electricity respectively, and humidity controller 5 links to each other with solid-state relay 12, major loop electric expansion valve 7 electricity of humidity sensor 4, the electric humidification of control respectively.
Wherein, electric heater 14 is arranged on the heating pipe dish 1, and electric moistening device 15 is arranged on the refrigeration coil 2.Temperature controller 11, humidity controller 5 are PID controller 5, and temperature controller 11, humidity controller 5 link to each other with electric heater 14 with electric moistening device 15 by solid-state relay (solid-state relay 13 and solid-state relay 12) respectively.Be respectively arranged with blower fan (blower fan 17 and blower fan 18) on electric moistening device 15 and the electric heater 14.Pressure of inspiration(Pi) balanced valve 3 is crankcase.Described refrigeration coil surface is equipped with dehumidifying baffle plate 16.
The control end of hot-gas bypass electrical adjustment valve 6, the control end of major loop electric expansion valve 7 refer to can be used for the interface of electronic control regulating valve door 7 sizes, usually all be provided with the Electronic Control interface for electronic valve, come the big or small degree of corresponding control valve switching by the output level that links to each other with controller.
Because it is bigger that the refrigeration performance of compressor 8 is influenced by pressure of inspiration(Pi), when suction and discharge pressure reduction is big, the ability decay is severe, change evaporating pressure and directly regulate electric expansion valve on a large scale, can produce considerable influence to the refrigeration system service behaviour, the risk that has unbalance of system, at the input of humidifier output, heater output connection equilibrated valve, the output of equilibrated valve links to each other with compressor 8 inputs.Like this can constant performance of refrigerant systems, satisfy the constant requirement of refrigerating capacity maximum capacity pump on a large scale, can the setting pressure balanced valve be crankcase, keep constant pressure, guarantee that compressor 8 ability under different operating modes is basicly stable.
The utility model comprises adjustment and humidity regulation two parts, and it realizes principle, and details are as follows:
The temperature regulation section branch comprises temperature sensor 10, the controller that links to each other with temperature sensor 10 and the heater that links to each other with controller, hot-gas bypass electrical adjustment valve 6, compressor 8, the condenser 9 that is installed in by the accent 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 be sent the signal that requires intensification, the hot-gas bypass electronic expansion valve opening can increase, the hot-gas bypass coil pipe is heated the room, when aperture is maximum, still can't satisfy the intensification requirement, solid-state relay 17 is controlled in the hot junction again, and its unit interval on-state rate will be increased, electric heater 14 work, make and transferred the temperature in space to raise, at this moment, refrigerating plant is in the duty of minimum sensible heat, and refrigerating efficiency is minimum.
Refrigerating plant comprises compressor 8, condenser 9, major loop electric expansion valve 7, hot-gas bypass electrical adjustment valve 6, hot gas coil pipe 1, refrigeration coil 2 and pressure of inspiration(Pi) balanced valve 3 compositions.
The hot-gas bypass control valve is connected with controller.When environment temperature is higher than desired value, controller will send the signal that requires cooling, progressively reduce the heat that adds of heating tube, when heating tube no longer during quantity of heat given up, the hot-gas bypass control valve opening will continue to reduce, and heat reduced to minimum, because refrigeration coil 2 is arranged, so environment temperature progressively reduces, this moment, electric heater 14 was in minimum output or no-output state; When temperature is lower than desired value, controller will send the signal that requires heating, progressively increase the hot-gas bypass valve opening earlier, and the vapours of refrigeration machine is progressively offset refrigeration coil 2 colds, when hot-gas bypass is maximum, be equivalent to not have refrigeration output.If this moment, temperature still was lower than target temperature, electric heater 14 starts with the heat rooms air.
Damping device is electric moistening device 15, be connected with controller by solid-state relay 12, humidity controller 5 will send the signal that requires humidification, the unit interval on-state rate of solid-state relay 12 will increase, spray into water vapour and make the humidity rising of being transferred the space, at this moment, refrigerating plant (refrigeration coil 2, electric moistening device 15 and blower fan 18) is in the duty of minimum dehumidifying;
Major loop electric expansion valve 7 is connected with humidity controller 5.When humidity is higher than desired value, humidity controller 5 will send the signal that requires dehumidifying, reduce expansion valve opening, dehumidifying coil pipe dew-point temperature descends, thereby increase the enthalpy difference that air flows through coil pipe, moisture removal increases, and this moment, electric moistening device 15 was in minimum output or no-output state; When humidity is lower than desired value, humidity controller 5 will send the signal that requires humidification, progressively increase earlier expansion valve opening, dehumidifying coil pipe dew-point temperature is risen, moisture removal reduces, when the highest dew point of operation still is lower than the surrounding air dew point, opens electric moistening device 15 and inject steam to increase room humidity to environment.
The pressure of inspiration(Pi) control section is kept constant pressure by the pressure of inspiration(Pi) of crankcase automatic control compressor 8, guarantees that compressor 8 ability under different operating modes is basicly stable.
The utility model energy-saving temperature wet cooling condition regulating system, show cold and latent cold and become independent adjustable parameter, can be directly according to by the burden requirement of test-run a machine and working condition requirement, it is cold to provide corresponding apparent cold-peace to dive automatically and steadily, do not need or only need seldom extra internal compensation fully, effectively reduced the loss of energy, can save the operating cost of thermostatic constant wet chamber greatly, have advantages such as accuracy height, convenient, simple to operate, the energy-conserving and environment-protective of control, and the operation that greatly reduces the high-accuracy and constant greenhouse is consumed energy.
More than technical scheme that the utility model embodiment is provided be described in detail, used specific case herein principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.

Claims (4)

1. 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 electrical adjustment valve, major loop electric expansion valve, pressure of inspiration(Pi) balanced valve, temperature sensor, humidity sensor, temperature controller, humidity controller, described compressor air-discharging end link to each other with the input of condenser, first end of hot-gas bypass electrical adjustment valve respectively; Second end of described hot-gas bypass electrical adjustment valve is connected to the input of hot gas coil pipe; Described hot gas coil pipe output links to each other with the input of refrigeration coil output, pressure of inspiration(Pi) balanced valve, and the output of described pressure of inspiration(Pi) balanced valve links to each other with described compressor input; The output of described condenser connects described major loop electric expansion valve first end, second end of described major loop electric expansion valve connects the refrigeration coil input, described temperature controller links to each other with temperature sensor, electric heater, hot-gas bypass electrical adjustment valve electricity respectively, and described humidity controller links to each other 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 links to each other with described electric heater electricity by solid-state relay, the control cold junction of described temperature controller links to each other with described hot-gas bypass electrical adjustment valve electricity, the control hot junction of described humidity controller links to each other with described electric moistening device electricity by solid-state relay, and the control cold junction of described humidity controller links to each other 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 equipped with the dehumidifying baffle plate.
CN 201320175584 2013-04-10 2013-04-10 Indoor temperature/humidity regulation unit Expired - Fee Related CN203231463U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104101061A (en) * 2013-04-10 2014-10-15 广州天河兰石技术开发有限公司 Indoor temperature and humidity regulating device
CN104155285A (en) * 2014-08-29 2014-11-19 四川九高科技有限公司 Temperature control device for Raman spectrometer
CN104656709A (en) * 2013-11-18 2015-05-27 海尔集团公司 Freezer temperature and humidity control system and control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104101061A (en) * 2013-04-10 2014-10-15 广州天河兰石技术开发有限公司 Indoor temperature and humidity regulating device
CN104656709A (en) * 2013-11-18 2015-05-27 海尔集团公司 Freezer temperature and humidity control system and control method
CN104155285A (en) * 2014-08-29 2014-11-19 四川九高科技有限公司 Temperature control device for Raman spectrometer

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131009

Termination date: 20190410