CN115268534A - Automatic temperature control system and temperature control method - Google Patents
Automatic temperature control system and temperature control method Download PDFInfo
- Publication number
- CN115268534A CN115268534A CN202210741584.2A CN202210741584A CN115268534A CN 115268534 A CN115268534 A CN 115268534A CN 202210741584 A CN202210741584 A CN 202210741584A CN 115268534 A CN115268534 A CN 115268534A
- Authority
- CN
- China
- Prior art keywords
- temperature
- circulating
- water
- temperature control
- cold
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses an autonomous temperature control system, which comprises a constant-temperature water adjusting system and a reservoir temperature control circulating system; the constant-temperature water regulating system comprises a cold-hot water automatic constant-temperature valve, a first circulating water liquid inlet pipeline, a speed regulating valve, a second circulating water liquid inlet pipeline, a heat exchanger and a circulating water liquid outlet pipeline which are sequentially communicated; a thermostatic regulator is arranged in the cold and hot water automatic thermostatic valve; the storehouse position temperature control circulating system is arranged in a storehouse position of a factory building and comprises at least two air channels and a circulating fan, the storehouse position is communicated with the heat exchanger through the air channels, and the circulating fan is arranged on one side, close to the heat exchanger, of each air channel; the invention also discloses a control method, which comprises the following steps: respectively connecting cold water and hot water into a cold-hot water automatic thermostatic valve; presetting the temperature of a storage position; the temperature in the reservoir is monitored in real time, the temperature of circulating water is changed, the flow measurement of the circulating water is controlled, and/or the air circulation quantity of a circulating fan is adjusted, and the temperature of the reservoir is controlled. The invention has the beneficial effects that: the temperature in the warehouse can be accurately and continuously controlled.
Description
Technical Field
The invention relates to the technical field of manufacturing of charging and discharging equipment, in particular to an automatic temperature control system and a temperature control method.
Background
In the current lithium battery production process, in order to guarantee production, the storage position needs to be subjected to constant temperature control. Because the manufacturing process is different, the existing temperature control system mostly depends on the external environment, and is not beneficial to controlling the temperature uniformity of different areas in the factory building.
Disclosure of Invention
The present invention is directed to addressing at least one of the existing technologies in the prior art. Therefore, the invention provides an automatic temperature control system and a temperature control method, wherein the automatic cold and hot water constant temperature valve, the speed regulating valve and the heat exchanger are matched, so that the temperature control circulation system can automatically control the temperature of the warehouse, and the temperature uniformity control of different areas in a factory building is facilitated.
The invention relates to an autonomous temperature control system, which is characterized in that: comprises a constant temperature water adjusting system and a reservoir temperature control circulating system;
the constant-temperature water regulating system comprises a cold-hot water automatic constant-temperature valve, a first circulating water liquid inlet pipeline, a speed regulating valve, a second circulating water liquid inlet pipeline, a heat exchanger and a circulating water liquid outlet pipeline which are sequentially communicated; a constant temperature regulator is arranged in the cold and hot water automatic constant temperature valve;
the storehouse position temperature control circulating system is arranged in a storehouse position of a factory building and comprises at least two air channels and circulating fans corresponding to the air channels, the storehouse position is communicated with the heat exchanger through the air channels, and the circulating fans are arranged on one sides, close to the heat exchanger, of the air channels.
Preferably, the cold and hot water automatic thermostatic valve is a three-way valve and is provided with a cold water interface, a hot water interface and a circulating water interface, the cold water interface and the hot water interface are respectively communicated with a cold water outlet and a hot water outlet of a factory building, and the circulating water interface is communicated with the speed regulating valve through a first circulating water inlet pipeline.
Preferably, the heat exchanger is a junction for temperature transmission between the constant-temperature water regulating system and the reservoir temperature control circulating system, a first heat exchange channel for water to pass through and a second heat exchange channel for air to pass through are arranged in the heat exchanger, the first heat exchange channel is provided with a liquid inlet and a liquid outlet which are communicated, the liquid inlet of the first heat exchange channel is communicated with the speed regulating valve pipeline through a second circulating water liquid inlet pipeline, and the liquid outlet of the first heat exchange channel is communicated with the circulating water liquid outlet pipeline; each second heat exchange channel is provided with two communicated air vents, and the air vents are communicated with the reservoir position through an air duct.
Preferably, the air ducts correspond to the air vents of the second heat exchange channels one to one, the air vents of the heat exchangers are communicated with one ends of the corresponding air ducts, and the circulating fans are arranged at the other ends, close to the heat exchangers, of the air ducts.
Preferably, the automatic temperature control system further comprises a controller, a signal transmission end of the controller is electrically connected with a signal transmission end of the constant temperature regulator, and a signal output end of the controller is electrically connected with a control end of the speed regulating valve and a control end of the circulating fan.
The temperature control method of the automatic temperature control system is characterized by comprising the following steps of:
1) Respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of a cold-hot water automatic thermostatic valve;
2) Presetting the temperature of a library position in a controller;
3) The temperature in the reservoir position is monitored in real time, and the reservoir position temperature is controlled to reach the preset constant temperature by changing the temperature of circulating water, controlling the flow measurement of the circulating water and/or adjusting the air circulation volume of a circulating fan.
The temperature control method is characterized by comprising the following steps of:
(1) Respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of a cold-hot water automatic thermostatic valve;
(2) Presetting the temperature of a library position in a controller;
(3) Controlling the flow measurement of circulating water according to the temperature in the reservoir position detected by the cold and hot water automatic thermostatic valve in real time, so that the reservoir position reaches the preset constant temperature when the circulating water circulates in the reservoir position temperature control circulating system; if the temperature in the reservoir is too high, the temperature of the circulating water is reduced; if the temperature in the reservoir is too low, the temperature of the circulating water is increased.
The temperature control method is characterized by comprising the following steps of:
(1) respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of a cold-hot water automatic thermostatic valve;
(2) presetting the temperature of a library position in a controller;
(3) according to the temperature in the reservoir position detected by the speed regulating valve in real time, the temperature of circulating water is regulated, so that the reservoir position reaches the preset constant temperature when the circulating water circulates in the reservoir position temperature control circulating system; if the temperature in the reservoir is too high or too low, the circulating water flow is increased or decreased.
The temperature control method is characterized by comprising the following steps of:
a, respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of a cold-hot water automatic thermostatic valve;
b, presetting the temperature of a library position in a controller;
c, detecting the temperature in the warehouse location in real time, and adjusting the air circulation quantity of the circulating fan to enable the warehouse location to reach the preset constant temperature; and if the temperature in the storage position is too high or too low, controlling the temperature of the storage position by adjusting the air circulation quantity of the circulating fan.
The temperature control system is characterized in that one part of the temperature control system is a constant temperature water adjusting system, the other part of the temperature control system is a reservoir temperature control circulating system, circulating water is adjusted to have good water temperature and flow rate through a cold and hot water automatic constant temperature valve or a speed regulating valve in the constant temperature water adjusting system, and heat exchange is carried out in the reservoir temperature control circulating system. If the temperature in the reservoir is higher than the preset temperature, adjusting the cold and hot water automatic constant temperature valve to reduce the temperature of the circulating water, or adjusting the speed regulating valve to increase the flow of the circulating water; if the temperature in the reservoir is lower than the preset temperature, adjusting the cold and hot water automatic constant temperature valve to increase the temperature of the circulating water, or adjusting the speed regulating valve to increase the flow of the circulating water; and under the condition that other conditions are not changed, if the temperature in the storage position is higher than or lower than the preset temperature, the wind speed of the circulating fan is increased, and the wind circulating amount is increased.
The invention has the beneficial effects that: the invention enables the temperature control system to balance and control the temperature by matching the cold and hot water automatic thermostatic valve, the speed regulating valve, the circulating fan and the heat exchanger, and realizes the accurate and continuous control of the temperature in the warehouse so as to meet the production requirement. The temperature control system has the advantages of simple structure, convenient installation and strong operability; the water circulation is utilized to automatically control the temperature, so that the influence on the environment temperature is reduced, and the influence of the change of the external environment is avoided.
Drawings
FIG. 1 is a schematic diagram of a temperature control system according to the present invention (in the diagram, cold water is shown at A, hot water is shown at B, and the arrows indicate the flow direction of the liquid).
FIG. 2 is a schematic structural diagram of a warehouse location temperature control circulation system of the present invention.
Description of reference numerals: 1. a constant temperature water conditioning system; 11. a cold and hot water automatic thermostatic valve; 12. a liquid inlet pipeline for circulating water; 13. a speed regulating valve; 14. a liquid inlet pipeline for second circulating water; 15. a heat exchanger; 16. a liquid outlet pipeline for circulating water; 2. a reservoir temperature control circulating system; 20. a library location; 21. a circulating fan; 22. an air duct.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention will be described in detail below with reference to exemplary embodiments and with reference to the accompanying drawings.
The invention relates to an automatic temperature control system, which comprises a constant temperature water adjusting system 1 and a reservoir temperature control circulating system 2;
the constant-temperature water regulating system 1 comprises a cold-hot water automatic constant-temperature valve 11, a first circulating water liquid inlet pipeline 12, a speed regulating valve 13, a second circulating water liquid inlet pipeline 14, a heat exchanger 15 and a circulating water liquid outlet pipeline 16 which are communicated in sequence; the automatic cold and hot water thermostatic valve 11 is internally provided with a thermostatic regulator;
storehouse position temperature control circulation system 2 sets up in the storehouse position 20 of factory building, including two wind channels 22 and the circulating fan 21 that corresponds with the wind channel, lay the equipment in the storehouse position 20, storehouse position 20 through wind channel 22 with heat exchanger 15 is linked together, just the wind channel is close to heat exchanger one side and is equipped with circulating fan 21.
In one embodiment, the automatic cold and hot water thermostatic valve 11 is a three-way valve and has a cold water port, a hot water port and a circulating water port, the cold water port and the hot water port are respectively communicated with a cold water outlet and a hot water outlet of a factory building, and the circulating water port is communicated with the speed regulating valve through a first circulating water inlet pipeline 12.
In one embodiment, a first heat exchange channel for water passing and a second heat exchange channel for air passing are arranged in the heat exchanger 15, the first heat exchange channel is provided with a liquid inlet and a liquid outlet which are communicated, the liquid inlet of the first heat exchange channel is communicated with the speed regulating valve pipeline through a second circulating water liquid inlet pipeline, and the liquid outlet of the first heat exchange channel is communicated with the circulating water liquid outlet pipeline; each second heat exchange channel is provided with two communicated air vents, and the air vents are communicated with the reservoir position through an air duct.
In one embodiment, the air ducts 22 correspond to the air vents of the second heat exchange passages one to one, the air vents of the heat exchangers are communicated with one ends of the corresponding air ducts, and the circulating fans are arranged at the other ends of the air ducts close to the heat exchangers.
Cold and hot water in a factory building passes through the constant-temperature water regulating system and then enters the reservoir temperature control circulating system. The constant temperature water regulating system achieves constant temperature control in the reservoir position through PID algorithm control according to the change of heat in the reservoir position. Specifically, cold water and hot water respectively enter from corresponding cold water interfaces and hot water interfaces, the synthesized circulating water flows out from the circulating water interfaces, and a thermostat built in the cold and hot water automatic thermostatic valve 11 can regulate the temperature of the circulating water according to a set temperature; the speed regulating valve 12 is arranged between the cold and hot water automatic constant temperature valve and the storehouse position temperature control circulating system and is used for regulating the flow rate of circulating water; circulating water enters the heat exchanger 14 from the second circulating water inlet line 14 and then flows out from the circulating water outlet line 16.
Circulating water enters the heat exchanger 15 through the second circulating water inlet pipeline 14, exchanges heat with air in the storage position 20 and controls the temperature of the storage position 20; the two air channels 22 are connected to the heat exchanger 15, the circulating fan 21 is arranged on one side of the air channels 22 close to the heat exchanger, switching of an air circulation path in the storehouse position temperature control circulating system 2 can be achieved by means of forward and reverse rotation of the circulating fan 21, storehouse position air is sent into the heat exchanger 15 through one air channel and then sent out through the other air channel to exchange heat with the heat exchanger 14, and the temperature in the storehouse position is changed. When the wind in the storage position circulates clockwise, the cold air descends, which is beneficial to cooling the storage position; when the wind in the storehouse position circulates anticlockwise, the hot gas rises, and the temperature rise of the storehouse position is facilitated. The effect of the wind circulation path will vary from reservoir location to reservoir location.
The invention is not limited to the two circulation fans 21, and fans can be added at appropriate positions in the storage location.
In one embodiment, the autonomous temperature control system further includes a controller, a signal transmission end of the controller is electrically connected to a signal transmission end of the thermostatic regulator, and a signal output end of the controller is electrically connected to a control end of the speed regulating valve and a control end of the circulating fan.
The temperature control method utilizing the automatic temperature control system comprises the following steps:
(1) Respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of the cold and hot water automatic thermostatic valve 11;
(2) Presetting the temperature of a library position in a controller;
(3) Controlling the flow measurement of circulating water according to the temperature in the reservoir position 20 detected by the cold and hot water automatic thermostatic valve 11 in real time, so that the reservoir position reaches the preset constant temperature when the circulating water circulates in the reservoir position temperature control circulating system; if the temperature in the reservoir is too high, the temperature of the circulating water is reduced; if the temperature in the reservoir is too low, the temperature of the circulating water is increased.
The temperature control method comprises the following steps:
(1) respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of a cold-hot water automatic thermostatic valve;
(2) presetting the temperature of a library position in a controller;
(3) according to the temperature in the reservoir position detected by the speed regulating valve 13 in real time, the temperature of the circulating water is regulated, so that the reservoir position reaches the preset constant temperature when the circulating water circulates in the reservoir position temperature control circulating system; if the temperature in the reservoir is too high or too low, the circulating water flow is increased or decreased.
The temperature control method comprises the following steps:
a, respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of a cold-hot water automatic thermostatic valve;
b, presetting the temperature of a library position in a controller;
c, detecting the temperature in the reservoir position in real time, and adjusting the air circulation quantity of the circulating fan to enable the reservoir position to reach a preset constant temperature; and if the temperature in the reservoir is too high or too low, controlling the temperature of the reservoir by adjusting the air circulation quantity of the circulating fan.
The temperature control system is characterized in that one part of the temperature control system is a constant temperature water adjusting system, the other part of the temperature control system is a reservoir temperature control circulating system, circulating water is adjusted to have good water temperature and flow rate through a cold and hot water automatic constant temperature valve or a speed regulating valve in the constant temperature water adjusting system, and heat exchange is carried out in the reservoir temperature control circulating system. If the temperature in the reservoir is higher than the preset temperature, adjusting an automatic cold and hot constant temperature valve to reduce the temperature of the circulating water, or adjusting a speed regulating valve to increase the flow of the circulating water; if the temperature in the reservoir is lower than the preset temperature, adjusting an automatic cold and hot constant temperature valve to increase the temperature of the circulating water, or adjusting a speed regulating valve to increase the flow of the circulating water; and under the condition that other conditions are not changed, if the temperature in the storage position is higher than or lower than the preset temperature, the wind speed of the circulating fan is increased, and the wind circulation volume is increased.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. An autonomous temperature control system, characterized in that: comprises a constant temperature water adjusting system and a reservoir temperature control circulating system;
the constant-temperature water regulating system comprises a cold-hot water automatic constant-temperature valve, a first circulating water liquid inlet pipeline, a speed regulating valve, a second circulating water liquid inlet pipeline, a heat exchanger and a circulating water liquid outlet pipeline which are sequentially communicated; a constant temperature regulator is arranged in the cold and hot water automatic constant temperature valve;
the storehouse position temperature control circulating system is arranged in a storehouse position of a factory building and comprises at least two air channels and circulating fans corresponding to the air channels, the storehouse position is communicated with the heat exchanger through the air channels, and the circulating fans are arranged on one sides, close to the heat exchanger, of the air channels.
2. The autonomous temperature control system of claim 1, wherein: the automatic cold and hot water thermostatic valve is a three-way valve and is provided with a cold water interface, a hot water interface and a circulating water interface, the cold water interface and the hot water interface are respectively communicated with a cold water outlet and a hot water outlet of a factory building, and the circulating water interface is communicated with the speed regulating valve through a first circulating water inlet pipeline.
3. The autonomous temperature control system of claim 2, wherein: a first heat exchange channel for water to pass through and a second heat exchange channel for ventilation are arranged in the heat exchanger, the first heat exchange channel is provided with a liquid inlet and a liquid outlet which are communicated, the liquid inlet of the first heat exchange channel is communicated with the speed regulating valve pipeline through a second circulating water liquid inlet pipeline, and the liquid outlet of the first heat exchange channel is communicated with the circulating water liquid outlet pipeline; each second heat exchange channel is provided with two communicated air vents, and the air vents are communicated with the reservoir position through an air duct.
4. The autonomous temperature control system of claim 3, wherein: the air channels correspond to the air vents of the second heat exchange channels one by one, the air vents of the heat exchangers are communicated with one ends of the corresponding air channels, and the circulating fans are arranged at the other ends, close to the heat exchangers, of the air channels.
5. The autonomous temperature control system of claim 1, wherein: the automatic temperature control system further comprises a controller, a signal transmission end of the controller is electrically connected with a signal transmission end of the constant temperature regulator, and a signal output end of the controller is electrically connected with a control end of the speed regulating valve and a control end of the circulating fan.
6. The temperature control method using the autonomous temperature control system according to any one of claims 1 to 5, comprising the steps of:
1) Respectively connecting cold water and hot water in a factory building into a cold water interface and a hot water interface of a cold-hot water automatic thermostatic valve;
2) Presetting the temperature of a library position in a controller;
3) The temperature in the reservoir is monitored in real time, and the reservoir temperature is controlled to reach the preset constant temperature by changing the temperature of circulating water, controlling the flow measurement of circulating water and/or adjusting the air circulation volume of a circulating fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210741584.2A CN115268534A (en) | 2022-06-27 | 2022-06-27 | Automatic temperature control system and temperature control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210741584.2A CN115268534A (en) | 2022-06-27 | 2022-06-27 | Automatic temperature control system and temperature control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115268534A true CN115268534A (en) | 2022-11-01 |
Family
ID=83764051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210741584.2A Pending CN115268534A (en) | 2022-06-27 | 2022-06-27 | Automatic temperature control system and temperature control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115268534A (en) |
-
2022
- 2022-06-27 CN CN202210741584.2A patent/CN115268534A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101545660B (en) | Indoor temperature and humidity independent control system | |
| CN213119341U (en) | Precision temperature control equipment | |
| CN106152285B (en) | Air conditioning system and control method thereof | |
| CN108444203B (en) | Synchronous monitoring system and adjusting method for temperature of refrigeration house | |
| KR101629341B1 (en) | Heat exchange coil and air conditioning unit | |
| CN111146517A (en) | Battery formation constant temperature equipment and control method | |
| KR20050098226A (en) | Air-conditioning system | |
| CN217902328U (en) | Automatic temperature control system | |
| CN115268534A (en) | Automatic temperature control system and temperature control method | |
| CN109140630A (en) | Air conditioning system, temperature adjustment and humidity adjustment control method | |
| CN111750461B (en) | Air conditioning system | |
| CN110986405B (en) | Heat exchange assembly, heat exchange system and air conditioning equipment | |
| CN115406091B (en) | Control method, device and storage medium of serial temperature and humidity control waterway system | |
| CN116867221A (en) | Control method of machine room cooling system | |
| US20210215372A1 (en) | Method and system for controlling energy transfer of a thermal energy exchanger | |
| CN211551978U (en) | Adjusting device, fan coil and air conditioning system | |
| CN114562775A (en) | Air conditioning system and control method thereof | |
| CN220457770U (en) | Machine room cooling system | |
| US11149964B2 (en) | Flow control module and method for controlling the flow in a hydronic system | |
| CN112013477A (en) | Constant-temperature constant-humidity intelligent control system and method for industrial central air conditioner | |
| CN112781134A (en) | Water mixing device of water collecting and collecting device and control method thereof | |
| CN112856852A (en) | Multichannel constant temperature device and control method thereof | |
| CN114604057B (en) | Method for controlling temperature uniformity and linearity of HVAC (heating, ventilation and air conditioning) air outlet of air conditioner | |
| CN221355149U (en) | Air quantity control and regulation system | |
| CN215637697U (en) | Variable air volume system adjusting terminal and variable air volume air conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |