CN218884147U - Constant temperature and humidity air treatment equipment - Google Patents
Constant temperature and humidity air treatment equipment Download PDFInfo
- Publication number
- CN218884147U CN218884147U CN202223025204.XU CN202223025204U CN218884147U CN 218884147 U CN218884147 U CN 218884147U CN 202223025204 U CN202223025204 U CN 202223025204U CN 218884147 U CN218884147 U CN 218884147U
- Authority
- CN
- China
- Prior art keywords
- section
- air
- pipe
- expansion coil
- humidity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The application discloses constant temperature and humidity air treatment equipment includes: the three-pipe variable-frequency multi-connected outdoor unit comprises a surface cooling section direct expansion coil pipe and a reheating section direct expansion coil pipe, the three-pipe variable-frequency multi-connected outdoor unit is connected with a throttling electronic expansion valve at an inlet of the surface cooling section direct expansion coil pipe through the first refrigerant outlet pipe, is connected with an outlet of the surface cooling section direct expansion coil pipe through the refrigerant reflux pipe, and is also connected with an inlet of the reheating section direct expansion coil pipe through the second refrigerant outlet pipe, and an outlet of the reheating section direct expansion coil pipe is connected with the first refrigerant outlet pipe. Wherein the direct expansion coil pipe operation of table cold section is refrigerated to the cooling dehumidification, the direct expansion coil pipe operation of reheat section heats simultaneously, can realize heat recovery, carries out reheat treatment, uses in order to satisfy constant temperature and humidity, wherein does not need extra heating device to heat, consequently can reduce the energy waste.
Description
Technical Field
The application relates to the field of air conditioning systems, in particular to constant-temperature and constant-humidity air treatment equipment.
Background
In a direct evaporation type air conditioning system, to achieve a constant temperature and humidity function, air is usually refrigerated and dehumidified by an evaporator to achieve a required dehumidification amount, and meanwhile, to ensure a constant indoor temperature of the air conditioning system, air with a lower temperature after dehumidification needs to be heated again to a proper temperature and then sent into a room. The heating medium used for heating is usually electricity, hot water, steam, fuel gas and the like, extra energy consumption investment is needed, and energy waste is caused.
Therefore, how to provide a constant temperature and humidity air treatment device capable of saving energy is a technical problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a constant temperature and humidity air treatment equipment need not additionally to use firing equipment, can satisfy constant temperature and humidity and use, can effectively reduce the energy waste.
In order to solve the technical problem, the application provides the following technical scheme:
a constant temperature and humidity air treatment device comprising:
a three-pipe variable-frequency multi-online outdoor unit;
a first refrigerant outlet pipe, a second refrigerant outlet pipe and a refrigerant return pipe;
three-pipe system direct expansion constant temperature and humidity air handling unit, including the air inlet section that sets gradually along the air current direction, table cold section direct expansion coil pipe, reheat section direct expansion coil pipe, humidification section and air supply section, the entry of table cold section direct expansion coil pipe is equipped with throttle electronic expansion valve, three-pipe system frequency conversion ally oneself outdoor unit is connected with throttle electronic expansion valve through first refrigerant exit tube, through the exit linkage of refrigerant back flow with table cold section direct expansion coil pipe, three-pipe system frequency conversion ally oneself with outdoor unit still passes through the second refrigerant exit tube and reheat section direct expansion coil pipe's entry linkage, reheat section direct expansion coil pipe's export is passed through the tee bend and is connected with first refrigerant exit tube.
Preferably, a solenoid valve for controlling the on-off of the outlet of the reheating section direct expansion coil and the tee joint is arranged on a pipeline between the outlet of the reheating section direct expansion coil and the tee joint.
Preferably, the device also comprises a preheating electric heating section arranged between the air inlet section and the surface cooling section direct expansion coil.
Preferably, a filtering section for filtering air is arranged between the air inlet section and the preheating electric heating section.
Preferably, the air inlet temperature/humidity sensor is used for detecting the air inlet temperature and the humidity at the air inlet section.
Preferably, an air supply temperature/humidity sensor for detecting the temperature and humidity of the air supply at the air supply section is further included.
Preferably, the air conditioner further comprises a post-coil temperature/humidity sensor for detecting the temperature and the humidity of the air after passing through the surface cooling section direct expansion coil.
Compared with the prior art, the technical scheme has the following advantages:
the application provides a constant temperature and humidity air treatment device includes: the three-pipe variable-frequency multi-connected outdoor unit comprises an air inlet section, a surface cooling section direct expansion coil, a reheating section direct expansion coil, a humidification section and an air supply section, wherein the air inlet section, the surface cooling section direct expansion coil, the reheating section direct expansion coil, the humidification section and the air supply section are sequentially arranged in the airflow direction, a throttling electronic expansion valve is arranged at the inlet of the surface cooling section direct expansion coil, the three-pipe variable-frequency multi-connected outdoor unit is connected with the throttling electronic expansion valve through the first refrigerant outlet pipe and is connected with the outlet of the surface cooling section direct expansion coil through a refrigerant return pipe, the three-pipe variable-frequency multi-connected outdoor unit is further connected with the inlet of the reheating section direct expansion coil through the second refrigerant outlet pipe, and the outlet of the reheating section direct expansion coil is connected with the first refrigerant outlet pipe through a tee joint. Wherein three control frequency conversion ally oneself with outdoor units can realize simultaneously refrigerate and heat, and the coil pipe operation refrigeration that directly expands in the cold section of table to cooling and dehumidification, the coil pipe operation of directly expanding of the section of reheating simultaneously heats, can realize heat recovery, carries out reheating treatment, uses in order to satisfy constant temperature and humidity, wherein does not need extra heating device to come the auxiliary heating, consequently can reduce the energy waste.
Drawings
In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a constant temperature and humidity air treatment device according to an embodiment of the present application.
The reference numbers are as follows:
1. three-pipe variable-frequency multi-unit outdoor unit, 2, three-pipe direct-expansion constant-temperature constant-humidity air handling unit, 3, a connecting copper pipe, 31 is a first refrigerant outlet pipe, 32 is a second refrigerant outlet pipe, 33 is a refrigerant return pipe, 4, an air inlet section, 5, a filtering section, 6, a surface cooling section direct-expansion coil pipe, 7, a reheating section direct-expansion coil pipe, 8, a humidifying section, 9, a blower section, 10, a flow equalizing section, 11, an air supply section, 12, an air inlet temperature/humidity sensor, 13, a throttling electronic expansion valve, 14, a coil pipe rear temperature/humidity sensor, 15, an electromagnetic valve, 16, an air supply temperature/humidity sensor.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings.
In the following description, specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import to those skilled in the art without departing from the spirit and scope of this application. The present application is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a constant temperature and humidity air processing apparatus according to an embodiment of the present disclosure.
A specific embodiment of the present application provides a constant temperature and humidity air treatment apparatus, including: the three-pipe variable-frequency multi-split outdoor unit 1 comprises a three-pipe variable-frequency multi-split outdoor unit 1, a three-pipe direct-expansion constant-temperature constant-humidity air treatment unit 2 and a connecting copper pipe 3, wherein the connecting copper pipe 3 comprises a first refrigerant outlet pipe 31, a second refrigerant outlet pipe 32 and a refrigerant return pipe 33, and the three-pipe variable-frequency multi-split outdoor unit 1 comprises a variable-frequency compressor, a four-way valve, a heat exchanger and a reheating flow control electromagnetic valve; the three-pipe direct-expansion constant-temperature and constant-humidity air handling unit 2 comprises an air inlet section 4, a meter cooling section direct-expansion coil 6, a reheating section direct-expansion coil 7, a humidifying section 8 and an air supply section 11 which are sequentially arranged along the airflow direction, a filtering section 5 for filtering air is arranged between the air inlet section 4 and a preheating electric heating section, an air supply section 9 and a flow equalizing section 10 are further arranged between the humidifying section 8 and the air supply section 11, a throttling electronic expansion valve 13 is arranged at the inlet of the meter cooling section direct-expansion coil 6, a three-pipe variable-frequency multi-connected outdoor unit 1 is connected with the throttling electronic expansion valve 13 through a first refrigerant outlet pipe 31 and is connected with the outlet of the meter cooling section direct-expansion coil 6 through a refrigerant return pipe 33, the three-pipe variable-frequency multi-connected outdoor unit 1 is further connected with the inlet of the reheating section direct-expansion coil 7 through a second refrigerant outlet pipe 32, and the outlet of the reheating section direct-expansion coil 7 is connected with the first refrigerant outlet 31 through a tee joint. Wherein three control frequency conversion ally oneself with outdoor unit 1 more can realize refrigeration and heating simultaneously, and the coil pipe 6 operation refrigeration that directly expands in the cold section of table to cooling and dehumidification, the coil pipe 7 operation heating that directly expands in the section of reheating simultaneously can realize heat recovery, carries out reheat treatment, uses in order to satisfy constant temperature and humidity, does not wherein need extra heating device to come the boosting, consequently can reduce the energy waste.
Constant temperature and humidity air treatment equipment is when refrigerating, the refrigerant that comes out from the compressor is behind the cross valve, by reheat flow control solenoid valve control, most get into and carry out the condensation heat transfer in the heat exchanger of three-pipe system frequency conversion multi-unit outdoor unit 1, the minority then can enter the pipe through the second refrigerant and carry out the condensation heat transfer in getting into reheat direct expansion coil pipe, with the heating air supply, refrigerant after the condensation heat transfer converges through the tee bend and mixes the back, whole through throttle electronic expansion valve 13, get into and carry out the evaporation heat transfer in the surface cooling section direct expansion coil pipe 6, with the cooling dehumidification, rethread refrigerant back flow 33 gets back to in the compressor, form complete three-pipe system structure refrigeration cycle.
When the constant temperature and humidity air treatment equipment heats, the reheating direct-expansion coil system is closed, after a refrigerant coming out of the compressor passes through the four-way valve, the refrigerant enters the pipe through the first refrigerant and enters the surface cooling section direct-expansion coil 6 of the three-pipe direct-expansion constant temperature and humidity air treatment unit 2 to be condensed and heat exchanged, so that heating air is supplied, then the refrigerant returns to the refrigerant return pipe 33 and enters the heat exchanger of the three-pipe variable frequency multi-unit outdoor unit 1 to be evaporated and heat exchanged, and finally the refrigerant returns to the compressor to form a complete three-pipe heating cycle.
In some embodiments, a solenoid valve 15 for controlling the on-off of the pipe between the outlet of the reheating section direct expansion coil 7 and the tee joint is arranged on the pipe, so as to perform switching control during cooling or heating. In addition, the constant temperature and humidity air treatment equipment further comprises an air inlet temperature/humidity sensor 12, an air supply temperature/humidity sensor 16 and a coil rear temperature/humidity sensor 14, the air inlet temperature/humidity sensor is arranged at the air inlet section 4, the air supply Wen Shiduan sensor is arranged at the outlet of the air supply section 11, and the coil rear temperature/humidity sensor is arranged between the surface cooling section direct expansion coil 6 and the reheating section direct expansion coil 7. The temperature and the humidity of an air supply outlet of an air supply section 11 in the three-pipe direct-expansion constant-temperature constant-humidity air processing unit 2 are set values, and feedback is acquired by an air supply temperature/humidity sensor 16; the inlet air temperature and the inlet air humidity of the inlet air section 4 are collected by an inlet air temperature and humidity sensor. The frequency conversion control system determines that the air temperature behind the direct expansion coil 6 at the surface cooling section needs to reach the target dew point temperature corresponding to the air supply state under the condition of determining the specific air quantity through logic judgment and calculation according to the air supply state point, and the feedback can be acquired by a temperature/humidity sensor 14 behind the coil. Under the condition of specific air quantity, determining the heat exchange quantity of the direct expansion coil 6 at the surface cooling section according to the air inlet state point and the dew point temperature; and determining the load of the reheating section direct expansion coil 7 according to the difference between the dew point temperature and the outlet air temperature.
In the above embodiment, when the device operates for refrigeration, a logic control is utilized, the variable frequency compressor in the three-pipe variable frequency multi-unit outdoor unit 1 is loaded or unloaded according to the load requirement through the variable frequency control system, the capacity output of the unit is changed, the action change of the reheating flow control solenoid valve is controlled, the refrigerant flow entering the heat exchanger of the outdoor unit and the refrigerant flow entering the reheating section direct expansion coil 7 are changed, the refrigerant in the surface cooling section direct expansion coil 6 is evaporated and absorbs heat through the adjustment of the throttling electronic expansion valve 13, and the inlet air with different temperatures passes through the surface cooling section direct expansion coil 6 and is cooled and dehumidified or deeply dehumidified to reach the target dew point temperature, which is collected and fed back by the temperature/humidity sensor 14 behind the coil. After the air subjected to temperature reduction and dehumidification passes through the reheating direct-expansion coil body, the refrigerant is condensed to release heat, and is subjected to equal-humidity heating treatment to meet the requirement of required air supply temperature/humidity, and the air is sent to indoor application occasions to realize constant temperature and constant humidity of the indoor application occasions in summer.
When the equipment runs for heating, the reheating direct-expansion coil system is closed under the control of a reheating flow control electromagnetic valve in the three-pipe variable-frequency multi-outdoor unit 1 and an electromagnetic valve 15 arranged on the reheating direct-expansion coil. By utilizing logic control, through a variable frequency control system, a variable frequency compressor in the three-pipe variable frequency multi-connected outdoor unit 1 is subjected to load increase and load reduction according to the load requirement, the capacity output of the unit is changed, the unit realizes different heat exchange, the air with different temperatures can absorb heat to reach specific temperature after passing through the surface cooling section direct expansion coil 6, and finally, the humidifying device in the humidifying section 8 is used for carrying out heat insulation humidification to reach the required air supply temperature/humidity requirement, so that the constant temperature and humidity of indoor application occasions in winter are realized.
The variable frequency compressor in the three-pipe variable frequency multi-connected outdoor unit 1 can realize stepless regulation, can realize the accurate control of the temperature of inlet air after being processed by the coil pipe, can keep constant and can meet the constant temperature and humidity requirements of air supply. When the air inlet temperature and the air quantity are not changed and the requirements of the air supply temperature and humidity are changed, the variable frequency compressor, the electromagnetic valve 15 for controlling the flow of the reheating direct expansion coil and the throttling electronic expansion valve 13 for controlling the flow of the surface cooling section direct expansion coil 6 are correspondingly adjusted through logic control, the temperature reduction and dehumidification capacity and the reheat capacity are changed, the new target dew point temperature requirement can be met again, the air supply requirement is ensured to be kept constant.
In this embodiment, the constant temperature and humidity air treatment equipment further comprises a preheating electric heating section arranged between the air inlet section 4 and the surface cooling section direct expansion coil 6. When the air inlet temperature is lower than a certain temperature, the air is preheated through the preheating electric heating section, the heating effect is better, and the application range of the equipment in the low-temperature environment in winter can be expanded.
In this embodiment, the specification sizes of the direct expansion coil 6 of the surface cooling section and the direct expansion coil 7 of the reheating section in the three-pipe direct expansion constant temperature and humidity air handling unit 2 can be designed differently according to the air output and the cold demand, can be modularized, can be combined according to different demands, and can be provided with different three-pipe variable frequency multi-split outdoor units 1 according to the selection type.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A constant temperature and humidity air treatment device, comprising:
a three-pipe variable-frequency multi-online outdoor unit (1);
a first refrigerant outlet pipe (31), a second refrigerant outlet pipe (32) and a refrigerant return pipe (33);
the three-pipe direct-expansion constant-temperature and constant-humidity air processing unit (2) comprises an air inlet section (4), a surface cooling section direct-expansion coil (6), a reheating section direct-expansion coil (7), a humidification section (8) and an air supply section (11) which are sequentially arranged along the airflow direction, wherein a throttling electronic expansion valve (13) is arranged at the inlet of the surface cooling section direct-expansion coil (6), the three-pipe variable-frequency multi-connected outdoor unit (1) is connected with the throttling electronic expansion valve (13) through a first refrigerant outlet pipe (31), is connected with the outlet of the surface cooling section direct-expansion coil (6) through a refrigerant return pipe (33), is further connected with the inlet of the reheating section direct-expansion coil (7) through a second refrigerant outlet pipe (32), and the outlet of the reheating section direct-expansion coil (7) is connected with the first refrigerant outlet pipe (31) through a tee joint.
2. The constant-temperature constant-humidity air treatment equipment as claimed in claim 1, wherein a solenoid valve (15) for controlling the on-off of the reheating section direct expansion coil (7) is arranged on a pipeline between the outlet of the reheating section direct expansion coil and the tee joint.
3. The air treatment equipment according to claim 2, further comprising a preheating electric heating section arranged between the air intake section (4) and the surface cooling section direct expansion coil (6).
4. The air treatment equipment according to claim 3, characterized in that a filtering section (5) for filtering air is arranged between the air intake section (4) and the preheating electric heating section.
5. The constant temperature and humidity air treatment device according to any one of claims 1 to 4, further comprising an inlet air temperature/humidity sensor (12) for detecting the inlet air temperature and humidity at the inlet air section (4).
6. The constant temperature and humidity air processing apparatus according to claim 5, further comprising a supply air temperature/humidity sensor (16) for detecting a supply air temperature and humidity at the supply air section (11).
7. The air treatment equipment according to claim 6, further comprising a post-coil temperature/humidity sensor (14) for detecting the temperature and humidity of the air after passing through the direct expansion coil (6) of the surface cooling section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223025204.XU CN218884147U (en) | 2022-11-14 | 2022-11-14 | Constant temperature and humidity air treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223025204.XU CN218884147U (en) | 2022-11-14 | 2022-11-14 | Constant temperature and humidity air treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218884147U true CN218884147U (en) | 2023-04-18 |
Family
ID=85948316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223025204.XU Active CN218884147U (en) | 2022-11-14 | 2022-11-14 | Constant temperature and humidity air treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218884147U (en) |
-
2022
- 2022-11-14 CN CN202223025204.XU patent/CN218884147U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201652635U (en) | Novel constant temperature and humidity purification air-conditioning unit | |
| CN201652636U (en) | Double-cold-source heat recovery constant temperature and humidity air conditioning unit | |
| CN207688449U (en) | Air-conditioning device | |
| CN102538112A (en) | Household heat and humidity separate control radiation air conditioning system and control method thereof | |
| CN106196380A (en) | A kind of cold-producing medium heat of subcooling recycling recuperation of heat air-treatment unit | |
| CN208170596U (en) | Air heat source heat pump type air conditioner | |
| CN207035387U (en) | A kind of multifunctional split-type fresh air air conditioner for machine | |
| CN101216225A (en) | Double temperature cold water/cold air unit | |
| CN104315743A (en) | Temperature-adjusted room dehumidifying air conditioner | |
| CN210832604U (en) | Air conditioner | |
| WO2011113295A1 (en) | Multifunctional air-conditioning and hot-water system | |
| CN105042748A (en) | Machine room air conditioner | |
| CN112413738A (en) | Fresh air conditioning system and heat recovery method thereof | |
| CN103363711B (en) | Air conditioner capable of controlling temperature and humidity separately | |
| CN216281897U (en) | Fresh air equipment | |
| CN203413870U (en) | Independent temperature and humidity control air conditioner | |
| CN107575967A (en) | A kind of heat pump type air conditioning system and its operation method suitable for annual operating mode | |
| CN108155439B (en) | Air conditioner battery cooling single cooling system and control method | |
| CN210688501U (en) | Two-pipe double-cold-source all-year-round operation constant-temperature and constant-humidity air conditioning unit | |
| CN209819742U (en) | Variable-frequency multi-connected radiation heating and refrigerating air conditioning system | |
| CN215892840U (en) | Energy-saving dehumidifying refrigeration heat exchange device | |
| CN218884147U (en) | Constant temperature and humidity air treatment equipment | |
| CN110671835B (en) | Integrated supply system and method based on temperature and humidity control and hot water heating | |
| JP7058250B2 (en) | Air conditioner with dehumidifying function and its control method | |
| CN102620490A (en) | Fresh air dehumidifying and dry coiled tube refrigerating air conditioning unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |