CN220169600U - Terminal fan of centralized air conditioner - Google Patents
Terminal fan of centralized air conditioner Download PDFInfo
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- CN220169600U CN220169600U CN202321598429.6U CN202321598429U CN220169600U CN 220169600 U CN220169600 U CN 220169600U CN 202321598429 U CN202321598429 U CN 202321598429U CN 220169600 U CN220169600 U CN 220169600U
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- fresh air
- inlet pipe
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000001954 sterilising effect Effects 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a tail end fan of a centralized air conditioner, which is provided with a shell and a fan arranged in the shell, wherein a fresh air inlet pipe, a return air inlet pipe and an air supply pipe are arranged on the shell, a fresh air regulating valve is arranged in the fresh air inlet pipe, a return air regulating valve is arranged in the return air inlet pipe, and stepping motors are arranged on the fresh air regulating valve and the return air regulating valve to regulate the opening and closing proportion of the valves; a fresh air volume sensor is arranged in the fresh air inlet pipe and is used for measuring the fresh air volume entering the shell through the fresh air inlet pipe; a surface cooler is arranged in the shell to regulate the temperature and humidity of air entering the shell. The tail end fan of the centralized air conditioner disclosed by the utility model can accurately control fresh air quantity and return air quantity, accurately regulate indoor humidity and air quality and simultaneously realize variable air quantity regulation of a fresh air host.
Description
Technical Field
The utility model relates to a centralized air conditioner tail end fan, and belongs to the technical field of air conditioning equipment.
Background
In the fresh air system, the tail end of the air conditioner is used for conveying fresh air generated by a fresh air host to different rooms.
In traditional new trend system, the new trend supply volume of terminal fan of air conditioner is all controlled by the new trend host computer, through the detection to the indoor outside air of hall, adjusts the power of new trend host computer, and then adjusts the air quality in the different rooms.
However, the basis of this manner of adjustment is that by default the air conditions in the different rooms are the same or similar, and when there is a large gap in the air quality in the different rooms, no effective adjustment can be made for each room.
In the prior art, the air quality in the hall is regulated by arranging valves at a fresh air inlet and a return air inlet of a fan at the tail end of an air conditioner, for example, the Chinese patent application No. CN202211107780.0, and the open-close states of different valves and the rotating speeds of the fans are determined by detecting indoor and outdoor air indexes so as to regulate the fresh air supply quantity.
In addition, the terminal fan of current air conditioner can't be according to actual temperature regulation air outlet temperature in the room, only can carry out temperature adjustment through the new trend host computer, and when the temperature deviation is great in different rooms, the new trend host computer needs to work according to the biggest room's of temperature deviation demand, just can satisfy the temperature demand in all rooms, causes the system energy consumption higher.
For the above reasons, further research into the existing air conditioner end fan is necessary to provide a centralized air conditioner end fan capable of precisely adjusting the indoor air quality.
Disclosure of Invention
In order to overcome the problems, through intensive research, a centralized air conditioner terminal fan is provided, which is provided with a shell and a fan arranged in the shell, wherein a fresh air inlet pipe, a return air inlet pipe and an air supply pipe are arranged on the shell, a fresh air regulating valve is arranged in the fresh air inlet pipe, a return air regulating valve is arranged in the return air inlet pipe, and stepping motors are arranged on the fresh air regulating valve and the return air regulating valve to regulate the opening and closing proportion of the valves;
a fresh air volume sensor is arranged in the fresh air inlet pipe and is used for measuring the fresh air volume entering the shell through the fresh air inlet pipe;
a surface cooler is arranged in the shell to regulate the temperature and humidity of air entering the shell.
In a preferred embodiment, a fresh air filter screen is provided in the housing for filtering air entering the housing from the fresh air intake duct.
In a preferred embodiment, a return air filter screen is provided in the housing for filtering air entering the housing from the return air inlet duct.
In a preferred embodiment, the fresh air inlet pipe and the return air inlet pipe are arranged at the air inlet end of the fan, the fresh air and the return air are mixed by the fan,
the surface cooler is arranged at the air outlet end of the fan and used for adjusting the temperature and humidity of the mixed air.
In a preferred embodiment, a temperature and humidity sensor is arranged at the air outlet end of the fan, and temperature and humidity detection is performed on the air regulated by the surface cooler.
In a preferred embodiment, the surface cooler has a valve for adjusting the flow of the heat exchange medium in the surface cooler.
In a preferred embodiment, a water collecting tray is provided in the housing for collecting condensed water from the surface of the surface cooler.
In a preferred embodiment, a sterilization module is provided in the air supply line.
In a preferred embodiment, an openable access panel is provided on the lower surface of the housing.
In a preferred embodiment, the circuit board of the air conditioning end fan is disposed in a separate cavity in the side of the housing such that the circuit board is isolated from the air within the housing.
The utility model has the beneficial effects that:
(1) The fresh air quantity and the return air quantity can be accurately controlled, the indoor humidity and the air quality can be accurately regulated, and meanwhile, the variable air quantity regulation of the fresh air host is realized;
(2) The indoor temperature can be automatically regulated, and the whole energy consumption of the fresh air system is reduced;
(3) The equipment has long service life and is convenient to overhaul and maintain.
Drawings
Fig. 1 shows a schematic diagram of a terminal fan structure of a centralized air conditioner according to a preferred embodiment of the present utility model.
Reference numerals illustrate:
1-a housing;
2-a fan;
3-fresh air inlet pipe;
4-return air inlet pipe;
5-an air supply pipe;
6-a surface cooler;
8-a temperature and humidity sensor;
9-a circuit board;
11-an access panel;
31-a fresh air regulating valve;
32-a fresh air quantity sensor;
41-return air regulating valve;
51-a sterilization module;
61-a water collecting disc;
71-a fresh air filter screen;
72-return air filter screen.
Detailed Description
The utility model is further described in detail below by means of the figures and examples. The features and advantages of the present utility model will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The utility model provides a terminal fan of a centralized air conditioner, which comprises a shell 1 and a fan 2 arranged in the shell, wherein a fresh air inlet pipe 3, a return air inlet pipe 4 and an air supply pipe 5 are arranged on the shell 1, as shown in figure 1,
a fresh air regulating valve 31 is arranged in the fresh air inlet pipe 3, a return air regulating valve 41 is arranged in the return air inlet pipe 4, and stepping motors are arranged on the fresh air regulating valve 31 and the return air regulating valve 41 to regulate the opening and closing proportion of the valves;
in the present utility model, by providing the fresh air adjusting valve 31 and the return air adjusting valve 41 with a stepping motor, the accurate control of the opening degree of the valve is realized, so that the indoor air quality, such as the concentration of CO2, the concentration of TVOC, etc., is accurately adjusted.
Further, through fresh air regulating valve 31 and return air regulating valve 41, the indoor air quality that the indoor air box gathered in the cooperation fresh air system, when slight fluctuation appears in indoor air quality, can realize the terminal fan of air conditioner and adjust the autonomous of indoor air quality, and need not adjust through the fresh air host computer, improved adjustment efficiency, reduced the consumption.
Further, a fresh air volume sensor 32 is arranged in the fresh air inlet pipe 3 and is used for measuring the fresh air volume entering the shell 1 through the fresh air inlet pipe 3;
because the opening of the fresh air valve changes in real time, the demand of the fresh air quantity of the tail end fan of the air conditioner also changes, the fresh air quantity used by the tail end fan of the air conditioner is acquired through the fresh air quantity sensor 32 and is fed back to the fresh air host, and the fresh air quantity generated by the host is regulated by the fresh air host according to the actual demand, so that the air balance of the whole fresh air system is realized.
Further, a surface cooler 6 is arranged in the shell 1 to regulate the temperature and humidity of the air entering the shell 1, so that the independent temperature and humidity control of different rooms is realized.
In a preferred embodiment, the fresh air volume sensor 32 is a peter tube, also called a wind speed tube, which is a tubular device for measuring total pressure and static pressure of air flow to determine air flow speed, and is widely used in air volume detection.
The surface cooler is a common heat exchange device, the principle is that a heating medium or a cooling medium or a refrigerating working medium flows through the inner cavity of the metal pipeline, and air to be treated flows through the outer wall of the metal pipeline to perform heat exchange so as to achieve the purpose of heating or cooling the air, the specific model of the surface cooler is not particularly limited in the utility model, and a person skilled in the art can freely select the surface cooler according to actual needs,
in a preferred embodiment, a fresh air filter 71 is provided in the housing 1 for filtering air entering the housing from the fresh air intake duct 3.
More preferably, the fresh air filter screen 71 adopts an F9 level filter screen, so that suspended matters in the fresh air are effectively removed, and the equipment inside the shell is protected from being corroded.
In a preferred embodiment, a return air filter screen 72 is provided in the housing 1 to filter air entering the housing from the return air inlet duct 4.
More preferably, the return air filter 72 is a filter of F7 class, which effectively removes suspended matters in the return air and protects the equipment inside the casing from corrosion.
According to a preferred embodiment of the utility model, the fresh air inlet pipe 3 and the return air inlet pipe 4 are arranged at the air inlet end of the fan 2, the fresh air and the return air are mixed by the fan 2,
the surface cooler 6 is arranged at the air outlet end of the fan 2 and is used for adjusting the temperature and the humidity of the mixed air. The mode of air temperature and humidity adjustment by supplementing cold (heat) after mixing air is adopted, so that the freshness of indoor air can be ensured, and the energy consumption of the system can be reduced.
In a preferred embodiment, a temperature and humidity sensor 8 is disposed at the air outlet end of the fan 2, and temperature and humidity of the air conditioned by the air conditioner 6 are detected.
Further preferably, the surface cooler 6 is provided with a valve capable of adjusting the flow rate of the heat exchange medium, and the flow rate of the heat exchange medium in the surface cooler 6 is adjusted by the detection value of the temperature and humidity sensor 8 and the indoor temperature and humidity, so as to adjust the adjustment amount of the air temperature and humidity.
In a preferred embodiment, a water collecting tray 61 is provided in the housing 1 for collecting condensed water on the surface of the surface cooler 6.
In the present utility model, the specific structure of the water collecting tray 61 is not limited, as long as it can receive the condensed water and guide the condensed water out of the housing.
In a preferred embodiment, a sterilization module 51 is disposed in the air supply pipe 5 to effectively kill germs, viruses and microorganisms in the air. More preferably, the sterilization module 51 is a plasma sterilization module, which can rapidly degrade toxic and harmful gas, living virus, bacteria, etc., and has higher efficiency, and is more suitable for the terminal fan of the air conditioner with larger wind power.
Further, in the present utility model, the sterilization module 51 is disposed in the air supply pipe 5, so that the sterilization module 51 is far away from the devices in the housing 1, and the interference of the ion field generated during the operation of the sterilization module 51 on the devices in the housing 1, such as the temperature and humidity sensor 8, is avoided.
In a preferred embodiment, an openable access panel 11 is provided on the lower surface of the housing 1 to facilitate replacement of the fresh air filter 71 and the return air filter 72 inside the housing 1.
More preferably, one end of the access panel 11 is connected with the main body of the housing 1 through a hinge, and the other end is connected with the main body of the housing 1 through a buckle, so that the tool-free disassembly of the access panel is realized.
In a preferred embodiment, the circuit board 9 of the air conditioner end fan is disposed in a separate cavity in the side of the housing 1, such that the circuit board 9 is isolated from the air in the housing 1, effectively preventing the air flow from eroding the circuit board.
In a preferred embodiment, a communication chip is provided on the circuit board 9, through which communication chip communication with the indoor air box and the fresh air main unit is performed.
More preferably, the communication chip is a carrier communication chip, and the communication is realized by using a home cable.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "front", "rear", etc. are based on the positional or positional relationship in the operation state of the present utility model, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the utility model can be subjected to various substitutions and improvements, and all fall within the protection scope of the utility model.
Claims (10)
1. The tail end fan of the centralized air conditioner is provided with a shell (1) and a fan (2) arranged in the shell, wherein a fresh air inlet pipe (3), a return air inlet pipe (4) and an air supply pipe (5) are arranged on the shell (1),
a fresh air regulating valve (31) is arranged in the fresh air inlet pipe (3), a return air regulating valve (41) is arranged in the return air inlet pipe (4), and stepping motors are arranged on the fresh air regulating valve (31) and the return air regulating valve (41) to regulate the opening and closing proportion of the valves;
a fresh air volume sensor (32) is arranged in the fresh air inlet pipe (3) and is used for measuring the fresh air volume entering the shell (1) through the fresh air inlet pipe (3);
a surface cooler (6) is arranged in the shell (1) to regulate the temperature and humidity of the air entering the shell (1).
2. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
a fresh air filter screen (71) is arranged in the shell (1) and filters air entering the shell from a fresh air inlet pipe (3).
3. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
a return air filter screen (72) is arranged in the shell (1) and filters air entering the shell from a return air inlet pipe (4).
4. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
the fresh air inlet pipe (3) and the return air inlet pipe (4) are arranged at the air inlet end of the fan (2), the fresh air and the return air are mixed through the fan (2),
the surface cooler (6) is arranged at the air outlet end of the fan (2) and is used for adjusting the temperature and humidity of the mixed air.
5. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
and a temperature and humidity sensor (8) is arranged at the air outlet end of the fan (2), and temperature and humidity detection is carried out on the air regulated by the surface cooler (6).
6. The terminal fan of the centralized air conditioner as set forth in claim 5, wherein,
the surface cooler (6) is provided with a valve capable of adjusting the flow of the heat exchange medium, and the valve is used for adjusting the flow of the heat exchange medium in the surface cooler (6).
7. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
a water collecting disc (61) is arranged in the shell (1) and is used for collecting condensed water on the surface of the surface cooler (6).
8. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
a sterilization module (51) is arranged in the air supply pipe (5).
9. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
an openable access panel (11) is provided on the lower surface of the housing (1).
10. The terminal fan of the centralized air conditioner as set forth in claim 1, wherein,
the circuit board (9) of the air conditioner end fan is arranged in an independent cavity on the side face of the shell (1), so that the circuit board (9) is isolated from air in the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598429.6U CN220169600U (en) | 2023-06-21 | 2023-06-21 | Terminal fan of centralized air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321598429.6U CN220169600U (en) | 2023-06-21 | 2023-06-21 | Terminal fan of centralized air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220169600U true CN220169600U (en) | 2023-12-12 |
Family
ID=89057334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321598429.6U Active CN220169600U (en) | 2023-06-21 | 2023-06-21 | Terminal fan of centralized air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220169600U (en) |
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2023
- 2023-06-21 CN CN202321598429.6U patent/CN220169600U/en active Active
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