CN112303766A - Humidity control assembly under each temperature range - Google Patents
Humidity control assembly under each temperature range Download PDFInfo
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- CN112303766A CN112303766A CN202011239793.4A CN202011239793A CN112303766A CN 112303766 A CN112303766 A CN 112303766A CN 202011239793 A CN202011239793 A CN 202011239793A CN 112303766 A CN112303766 A CN 112303766A
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- pipeline
- control assembly
- air
- evaporator
- humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
- F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F2007/005—Cyclic ventilation, e.g. alternating air supply volume or reversing flow direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Humidification (AREA)
Abstract
The invention relates to the technical field of humidity control assemblies, in particular to a humidity control assembly in each temperature range, and aims to solve the problem that cost is increased due to the fact that a large amount of power is consumed by an existing detection system to lower temperature and lower humidity. The temperature and humidity testing device not only ensures the temperature and humidity testing precision under various temperature ranges, but also reduces the electric energy loss to the maximum extent, the assembly is energy-saving and environment-friendly, and the working cost is reduced by utilizing the dynamic control of the cold end and the hot end.
Description
Technical Field
The invention relates to the field of humidity control assemblies, in particular to a humidity control assembly in each temperature range.
Background
The temperature and humidity simulation environment test equipment is a special constant temperature and humidity test equipment, which is mainly used for testing the performance of materials under various environments and testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials, and requires a constant temperature and humidity environment, at present, the test equipment is mainly realized by adopting a constant temperature and humidity test box, which can be called an environment test box or a constant temperature and humidity Box (BJYSL), the constant temperature and humidity test box adopts a platinum PT-100 temperature measurement resisting antibody with high stability, an LCD English touch control type/touch type screen is provided with a plurality of groups of PID control functions and RS-232C/485C connection computer interface control, can simulate different environment conditions such as high temperature and high humidity/low temperature and high humidity/high temperature and low temperature, and is matched with a high-accuracy programming control and fixed point control system which is easy to operate and learn, the test device provides the best test performance, is widely suitable for industries such as electronic appliances, war industry, plastics, hardware, chemical industry and the like in the industrial field, for example, the test of virtual climate environments of products such as electronic parts, automobile parts, notebooks and the like is necessary test equipment in the fields of new energy automobiles, scientific research, schools and the like, and is used for testing the humidity of the products in various temperature ranges.
The existing constant temperature and humidity test box has the defects of high energy consumption, unstable temperature in the box, difficulty in accurately adjusting humidity and the like, the constant temperature and humidity needs to be cooled and humidified and simultaneously works, however, the existing detection system needs to consume a large amount of power to cool and humidify, so that the cost is increased, a stable and efficient constant temperature and humidity control method is needed in actual production, and therefore, the invention designs a humidity control assembly in each temperature range.
Disclosure of Invention
To solve the problems in the prior art, the invention provides a humidity control assembly under various temperature ranges.
In order to achieve the purpose, the invention adopts the following technical scheme:
the humidity control assembly under each temperature range comprises an air channel, wherein an evaporator, an electric heating humidifying barrel, a compressor, a blower, an electric heater and a steam spray pipe are arranged in an inner cavity of the air channel;
the evaporator is communicated with the condenser through a first pipeline, the condenser is communicated with the compressor, the evaporator is communicated with the compressor through a second pipeline, and the steam spray pipe is communicated with the electric heating humidification barrel;
the air blower is positioned between the evaporator and the electric heater, and the steam spray pipe is positioned on one side of the electric heater, which is far away from the evaporator.
Furthermore, the first pipeline is communicated with the second pipeline through a third pipeline, and the third pipeline is communicated with the first pipeline through a fourth pipeline;
the first pipeline, the third pipeline and the fourth pipeline are all provided with a throttle valve;
and the throttle valve on the first pipeline is connected with the throttle valve on the fourth pipeline in parallel, and the throttle valve on the third pipeline is connected with the throttle valve on the fourth pipeline in series.
Furthermore, a water inlet and a water outlet are arranged on the electric heating humidifying barrel;
the air duct is provided with an air return inlet and an air supply outlet, the evaporator is positioned on one side of the air return inlet, and the air supply outlet is positioned on one side of the steam spray pipe.
Further, the control assembly further comprises a controller, and the controller is electrically connected with the compressor, the throttle valve, the air feeder, the electric heater, the electric heating humidification barrel and the evaporator.
Furthermore, a temperature and humidity sensor detection device is arranged on the surface of the inner cavity of the air duct and is electrically connected with the controller.
Further, the air return inlet and the air supply outlet are connected with the test box.
Furthermore, the inner cavity and the outer wall surface of the air duct are both provided with heat insulation plates.
The invention has the beneficial effects that:
the invention transfers heat to the condenser through the refrigerant in the heat dissipation coil pipe in the evaporator, the heat is taken away by water circulation, meanwhile, the temperature and the humidity of the inner cavity are roughly and constantly regulated by the liquid throttler through the cold end dynamic PID of the controller, the temperature and the fine constant temperature of the inner cavity are regulated by the electric heater through the hot end dynamic PID of the controller, the temperature and the humidity of the electric heating humidification barrel are finely and constantly regulated by the hot end dynamic PID of the controller, the temperature and the humidity of the condenser are reduced to a target value critical point through the cold end dynamic PID regulation of the controller, then the temperature and the humidity are heated and humidified to a constant target value through the hot end dynamic PID regulation, the temperature and humidity test precision is ensured and the electric energy loss is reduced to the maximum degree under each temperature range, the assembly is energy.
Drawings
FIG. 1 is a diagram of the components of the present invention.
Reference numbers in the figures: the device comprises an air duct 1, an air return opening 2, an evaporator 3, a blower 4, an electric heater 5, a steam spray pipe 6, an air supply opening 7, a throttle valve 8, a condenser 9, a compressor 10, an electric heating humidifying barrel 11, a water inlet 12, a water outlet 13, a controller 14, a first pipeline 15, a second pipeline 16, a third pipeline 17 and a fourth pipeline 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the humidity control assembly in each temperature range comprises an air duct 1, wherein an evaporator 3, an electric heating and humidifying barrel 11, a compressor 10, a blower 4, an electric heater 5 and a steam spray pipe 6 are arranged in an inner cavity of the air duct 1;
the evaporator 3 is communicated with a condenser 9 through a first pipeline 15, the condenser 9 is communicated with a compressor 10 through a copper pipe, the evaporator 3 is communicated with the compressor 10 through a second pipeline 16, and the steam spray pipe 6 is communicated with an electric heating humidification barrel 11 through the copper pipe;
the blower 4 is positioned between the evaporator 3 and the electric heater 5, and the steam spray pipe 6 is positioned on one side of the electric heater 5 far away from the evaporator 3;
the first pipeline 15 is communicated with the second pipeline 16 through a third pipeline 17, and the third pipeline 17 is communicated with the first pipeline 15 through a fourth pipeline 18;
the first pipeline 15, the third pipeline 17 and the fourth pipeline 18 are all provided with a throttle valve 8;
the throttle valve 8 on the first pipeline 15 is connected in parallel with the throttle valve 8 on the fourth pipeline 18, the throttle valve 8 on the third pipeline 17 is connected in series with the throttle valve 8 on the fourth pipeline 18, where, the parallel connection is relative to the evaporator 3, the connection position of the first pipeline 15 and the fourth pipeline 18 is a first connection point, the connection position of the third pipeline 17 and the fourth pipeline 18 is a second connection point, the connection position of the third pipeline 17 and the second pipeline 16 is a third connection point, the connection position of the first pipeline 15 and the third pipeline 17 is a fourth connection point, the throttle valve 8 on the first pipeline 15 is located between the first connection point and the fourth connection point, the throttle valve 8 on the fourth pipeline 18 is located between the first connection point and the second connection point, and the throttle valve 8 on the third pipeline 17 is located between the third connection point and the second connection point;
the electric heating humidifying barrel 11 is provided with a water inlet 12 and a water outlet 13;
the air duct 1 is provided with an air return inlet 2 and an air supply outlet 7, the evaporator 3 is positioned on one side of the air return inlet 2, and the air supply outlet 7 is positioned on one side of the steam spray pipe 6.
The control assembly further comprises a controller 14, and the controller 14 is electrically connected with the compressor 10, the throttle valve 8, the blower 4, the electric heater 5, the electric heating and humidifying barrel 11 and the evaporator 3.
The inner cavity surface of wind channel 1 is equipped with temperature and humidity sensor detection device, and temperature and humidity detection device and controller 14 electrical property link to each other, through the inner cavity humiture that detects wind channel 1, constitutes closed-loop control.
The air return inlet 2 and the air supply outlet 7 are connected with the test box, and the inner cavity and the outer wall surface of the air channel 1 are both provided with heat insulation plates.
One specific application of this embodiment is: the air duct 1 is fixed on a pipeline of a test box detection system, warm and humid air is output from the air supply outlet 7, the warm and humid air enters from the air return inlet 2 to form an air flow circulation system, heat is transferred to the surface of the condenser 9 through the evaporator 3, heat is taken away through external water circulation, constant temperature is heated through the electric heater 5, dynamic humidification and constant humidity are achieved through the electric heating humidification barrel 11 at each temperature, cooling and dehumidification are achieved through the refrigeration assembly, and the electric heater 5, the electric heating humidification barrel 11 and the controller 141 form a closed-loop control system.
The working principle is as follows: the gas in the inner cavity forms airflow circulation at an air supply outlet 7 and an air return inlet 2 of a pipeline through an air feeder 4, a condenser 9 and a water pipe are externally connected with a water source to form a water circulation system, an evaporator 3 faces the wind direction, heat is transferred to the condenser 9 through a refrigerant in a heat dissipation coil in the evaporator 3, the water circulation takes away the heat, meanwhile, a liquid throttler adjusts the rough and constant temperature and humidity of the inner cavity through cold-end dynamic PID of a controller 14, an electric heater 5 adjusts the fine and constant temperature of the inner cavity through hot-end dynamic PID of the controller 14, an electric heating humidifying barrel 11 adjusts the fine and constant humidity of the inner cavity through the hot-end dynamic PID of the controller 14, the condenser 9 reduces the temperature and the humidity to a target value critical point through cold-end dynamic PID adjustment of the controller 14, then heats and humidifies to a constant target value through hot-end dynamic PID, the test precision is ensured, the assembly is energy-saving and environment-friendly, and the working cost is reduced by utilizing the dynamic control of the cold end and the hot end.
In the description of the present invention, it is to be understood that the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The humidity control assembly under each temperature range is characterized by comprising an air duct (1), wherein an evaporator (3), an electric heating humidifying barrel (11), a compressor (10), a blower (4), an electric heater (5) and a steam spray pipe (6) are arranged in an inner cavity of the air duct (1);
the evaporator (3) is communicated with a condenser (9) through a first pipeline (15), the condenser (9) is communicated with a compressor (10), the evaporator (3) is communicated with the compressor (10) through a second pipeline (16), and the steam spray pipe (6) is communicated with an electric heating humidifying barrel (11);
the air feeder (4) is positioned between the evaporator (3) and the electric heater (5), and the steam spray pipe (6) is positioned on one side, far away from the evaporator (3), of the electric heater (5).
2. Humidity control assembly according to claim 1, characterized in that the first duct (15) communicates with the second duct (16) through a third duct (17), and the third duct (17) communicates with the first duct (15) through a fourth duct (18);
throttle valves (8) are arranged on the first pipeline (15), the third pipeline (17) and the fourth pipeline (18);
the throttle valve (8) on the first pipeline (15) is connected with the throttle valve (8) on the fourth pipeline (18) in parallel, and the throttle valve (8) on the third pipeline (17) is connected with the throttle valve (8) on the fourth pipeline (18) in series.
3. The humidity control assembly in each temperature range according to claim 2, wherein the electric heating humidifying barrel (11) is provided with a water inlet (12) and a water outlet (13);
the air duct (1) is provided with an air return inlet (2) and an air supply outlet (7), the evaporator (3) is located on one side of the air return inlet (2), and the air supply outlet (7) is located on one side of the steam spray pipe (6).
4. The humidity control assembly of claim 3, wherein the control assembly further comprises a controller (14), and the controller (14) is electrically connected to the compressor (10), the throttle valve (8), the blower (4), the electric heater (5), the electric humidification barrel (11), and the evaporator (3).
5. The humidity control assembly under each temperature range according to claim 4, wherein the surface of the inner cavity of the air duct (1) is provided with a temperature and humidity sensor detection device, and the temperature and humidity sensor detection device is electrically connected with the controller (14).
6. Humidity control assembly at various temperature ranges according to claim 5, characterized in that the return air inlet (2) and the supply air outlet (7) are connected to a test box.
7. Humidity control assembly according to claim 1, characterized in that the inner and outer wall surfaces of the air duct (1) are provided with insulation panels.
Priority Applications (1)
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CN202011239793.4A CN112303766A (en) | 2020-11-09 | 2020-11-09 | Humidity control assembly under each temperature range |
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CN202011239793.4A CN112303766A (en) | 2020-11-09 | 2020-11-09 | Humidity control assembly under each temperature range |
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CN202011239793.4A Pending CN112303766A (en) | 2020-11-09 | 2020-11-09 | Humidity control assembly under each temperature range |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115265234A (en) * | 2022-06-24 | 2022-11-01 | 广州五所环境仪器有限公司 | Environment testing equipment and heat exchange device |
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KR20190076646A (en) * | 2017-12-22 | 2019-07-02 | 웅진코웨이 주식회사 | Multifunctional storage system including heat pump unit having water supply portion and Method of preheating using the same |
CN110822592A (en) * | 2019-11-04 | 2020-02-21 | 珠海格力电器股份有限公司 | Air conditioning system capable of refrigerating at ultra-wide ring temperature |
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CN211451229U (en) * | 2019-12-04 | 2020-09-08 | 云南创佳楼宇科技工程有限公司 | High-precision constant-temperature constant-humidity laboratory energy-saving control device |
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CN1645016A (en) * | 2005-01-27 | 2005-07-27 | 广东科龙电器股份有限公司 | High temperature self-adaption separated air conditioners |
US20070163278A1 (en) * | 2006-01-18 | 2007-07-19 | Yuan-Hung Hung | Air conditioner |
CN201306813Y (en) * | 2008-11-21 | 2009-09-09 | 邓惠文 | Household air conditioner total heat recovery water heater |
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CN106545940A (en) * | 2016-12-29 | 2017-03-29 | 广东申菱环境系统股份有限公司 | Shunting Wind-cooling type thermostatic and humidistatic air conditioning unit |
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KR20190076646A (en) * | 2017-12-22 | 2019-07-02 | 웅진코웨이 주식회사 | Multifunctional storage system including heat pump unit having water supply portion and Method of preheating using the same |
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CN115265234A (en) * | 2022-06-24 | 2022-11-01 | 广州五所环境仪器有限公司 | Environment testing equipment and heat exchange device |
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Application publication date: 20210202 |