Vertical constant-temperature constant-humidity anti-freezing combined air conditioning cabinet
By setting the second steam heating coil designed with a swash coil in the air conditioner box adjacent to the cold water coil, the problem of cold water pipe freezing during use in winter is solved, and the normal operation of the air conditioner system and space savings are achieved.
Patent Information
- Application Number
- CN202421978610.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-15
AI Technical Summary
When the existing air conditioning chassis is used in winter, due to the low temperature outside, the water in the cold water pipe may freeze and cause the water pipe to be blocked, affecting the normal operation of the air conditioning system.
A vertical constant temperature, constant humidity and anti-freeze combination air conditioning box is designed. The second steam heating coil designed with a swash coil is arranged adjacent to the cold water coil, and the cold water is avoided from freezing through the first steam heating coil and the second steam heating coil.
It effectively prevents the water in the cold water coil from freezing, ensures the normal operation of the air conditioning system during use in winter, and reduces the area occupied by the computer room.
Smart Images

Figure CN222993079U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of central air - conditioning air handling units, and more specifically, to a vertical constant - temperature and constant - humidity anti - freezing combined air handling unit. Background Art
[0002] An air handling unit is a device in a central air - conditioning system for achieving heat and cold exchange. Inside it, there are usually surface coolers, chilled water pipes, chillers, fans, etc. Among them, the surface cooler is connected to the chilled water pipe. When the fan sucks hot air onto the surface cooling coil, the hot air on the surface cooling coil is cooled by the chilled water generated by the chiller and then blown out. When the existing air handling unit is used in winter, the water in the cold water pipe may freeze due to the too - low outside temperature, resulting in pipe blockage.
[0003] Now, a vertical constant - temperature and constant - humidity anti - freezing combined air handling unit is provided. Summary of the Utility Model
[0004] The content part of this application is used to briefly introduce concepts, which will be described in detail in the following detailed implementation part. The content part of this application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.
[0005] To solve the technical problems mentioned in the above background art part, some embodiments of this application provide a vertical constant - temperature and constant - humidity anti - freezing combined air handling unit, including: an air handling unit housing;
[0006] It is characterized in that: an inlet air valve and an outlet air valve are installed on the top wall of the air handling unit housing;
[0007] A vertical constant - temperature and constant - humidity anti - freezing combined air handling unit further includes:
[0008] A primary and intermediate - effect filter, fixedly connected inside the air handling unit housing;
[0009] A first steam heating coil, fixedly connected inside the air handling unit housing;
[0010] A chilled water coil, fixedly connected inside the air handling unit housing;
[0011] A second steam heating coil, fixedly connected inside the air handling unit housing;
[0012] A steam humidifier, installed inside the air handling unit housing;
[0013] A fan - motor assembly, installed inside the air handling unit housing;
[0014] A high - efficiency filter, installed inside the air handling unit housing;
[0015] The box base is fixedly connected to the bottom wall of the air handling unit box body;
[0016] The water inlet pipe is fixedly connected to the chilled water coil and communicates with the chilled water coil;
[0017] The water outlet pipe is fixedly connected to the chilled water coil and communicates with the chilled water coil.
[0018] Further, the internal space of the air handling unit box body is a U-shaped cavity.
[0019] Further, the second steam heating coil and the chilled water coil adopt an inclined coil design.
[0020] Further, the water inlet pipe is located at the bottommost of the chilled water coil, the water outlet pipe is located at the topmost of the chilled water coil, and the water inlet pipe communicates with the water outlet pipe through the chilled water coil.
[0021] Further, the inlet air damper, the primary and secondary filters, the first steam heating coil and the chilled water coil are located on the same side inside the air handling unit box body.
[0022] Further, the chilled water coil, the steam humidifier, the fan motor assembly, the high efficiency filter, and the supply air damper are located on the same side inside the air handling unit box body.
[0023] Further, the primary and secondary filters are installed vertically.
[0024] Further, the air outlet of the fan motor assembly communicates with the air inlet of the high efficiency filter.
[0025] Further, the ends of the water inlet pipe and the water outlet pipe away from the chilled water coil respectively pass through the side wall of the air handling unit box body.
[0026] The beneficial effect of this application is that it provides a vertical constant temperature and humidity anti-freezing combined air handling unit, which reduces the floor area occupied by the machine room and effectively prevents the chilled water from freezing by setting the steam heating coil. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The drawings constituting a part of this application are used to provide a further understanding of this application, making other features, purposes, and advantages of this application more obvious. The schematic embodiments of the drawings of this application and their descriptions are used to explain this application and do not constitute an improper limitation of this application.
[0028] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and the elements and components are not necessarily drawn to scale.
[0029] In the drawings:
[0030] Figure 1 is the overall plan view according to the embodiment of this application;
[0031] Figure 2 is Figure 1 the overall plane side view schematic diagram of
[0032] Reference numerals:
[0033] 1. Inlet air damper; 2. Air handling unit housing; 3. Pre-filter and intermediate filter; 4. First steam heating coil; 5. Chilled water coil; 6. Second steam heating coil; 7. Steam humidifier; 8. Fan motor assembly; 9. High efficiency filter; 10. Outlet air damper; 11. Housing base; 12. Inlet pipe; 13. Outlet pipe. Detailed implementation manners
[0034] Embodiments of the present disclosure will be described in more detail below with reference to the drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not used to limit the protection scope of the present disclosure.
[0035] In addition, it should be noted that only parts related to the relevant invention are shown in the drawings for the convenience of description. Without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.
[0036] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or mutual dependence relationship of the functions performed by these devices, modules or units.
[0037] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly specified in the context, it should be understood as "one or more".
[0038] The present disclosure will be described in detail below with reference to the drawings and in combination with embodiments.
[0039] Referring to Figures 1-2 , a vertical constant temperature and humidity anti-freezing combined air handling unit, comprising: an air handling unit housing 2, an inlet air damper 1, an outlet air damper 10, a pre-filter and intermediate filter 3, a first steam heating coil 4, a chilled water coil 5, a second steam heating coil 6, a steam humidifier 7, a fan motor assembly 8, a high efficiency filter 9, a housing base 11, an inlet pipe 12, and an outlet pipe 13.
[0040] The internal space of the air conditioning box body 2 is a U-shaped cavity. An air inlet valve 1 and a air supply valve 10 are installed on the top wall of the air conditioning box body 2. The air inlet valve 1 and the air supply valve 10 are symmetrically positioned and are respectively communicated with two ports of the U-shaped cavity of the air conditioning box body 2.
[0041] The primary and intermediate efficiency filter 3 is fixedly connected to the cavity wall of the U-shaped cavity of the air conditioning box body 2. The first steam heating coil 4 is fixedly connected to the cavity wall of the U-shaped cavity of the air conditioning box body 2. The chilled water coil 5 is fixedly connected to the cavity wall of the U-shaped cavity of the air conditioning box body 2. The air inlet valve 1, the primary and intermediate efficiency filter 3, the first steam heating coil 4 and the chilled water coil 5 are located in the same side cavity of the U-shaped cavity of the air conditioning box body 2.
[0042] The second steam heating coil 6 is fixedly connected to the cavity wall of the U-shaped cavity of the air conditioning box body 2. The steam humidifier 7 is installed on the cavity wall of the U-shaped cavity of the air conditioning box body 2. The fan motor assembly 8 is installed on the cavity wall of the U-shaped cavity of the air conditioning box body 2. The high efficiency filter 9 is installed on the cavity wall of the U-shaped cavity of the air conditioning box body 2. The second steam heating coil 6, the steam humidifier 7, the fan motor assembly 8, the high efficiency filter 9 and the air supply valve 10 are located in the same side cavity of the U-shaped cavity of the air conditioning box body 2.
[0043] The box body base 11 is fixedly connected to the bottom wall of the air conditioning box body 2. The water inlet pipe 12 is fixedly connected to the chilled water coil 5 and is communicated with the chilled water coil 5. The water outlet pipe 13 is fixedly connected to the chilled water coil 5 and is communicated with the chilled water coil 5. The water inlet pipe 12 is located at the bottommost of the chilled water coil 5. The water outlet pipe 13 is located at the uppermost of the chilled water coil 5. And the water inlet pipe 12 is communicated with the water outlet pipe 13 through the chilled water coil 5. One end of the water inlet pipe 12 away from the chilled water coil 5 and one end of the water outlet pipe 13 away from the chilled water coil 5 respectively pass through the side wall of the air conditioning box body 2. The air outlet of the fan motor assembly 8 is communicated with the air inlet of the high efficiency filter 9. The primary and intermediate efficiency filter 3 is installed vertically. The second steam heating coil 6 and the chilled water coil 5 adopt an inclined coil design.
[0044] Working or installation process:
[0045] The fan motor assembly 8 is started, and the air in the air conditioning box body 2 flutters. The air enters the internal space of the air conditioning box body 2 from the air inlet valve 1. The air sequentially passes through the primary and intermediate efficiency filter 3, the first steam heating coil 4 and the chilled water coil 5. The air is at the bottom of the internal space of the air conditioning box body 2 and makes the air sequentially pass through the second steam heating coil 6, the steam humidifier 7, the fan motor assembly 8 and the high efficiency filter 9 until the air is sent out from the air supply valve 10.
[0046] In winter, through the first steam heating coil 4 and the second steam heating coil 6, and the second steam heating coil 6 is arranged adjacent to the chilled water coil 5, so as to avoid the cold water in the chilled water coil from freezing in winter.
[0047] The above description is only some preferred embodiments of the present disclosure and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) disclosed in the embodiments of the present disclosure that have similar functions.
Claims
1. A vertical constant temperature and humidity antifreeze type combined air conditioning box, comprising: Air conditioning box body (2); The invention is characterized in that: an air inlet valve (1) and an air supply valve (10) are installed on the top wall of the air conditioning box body (2); The vertical constant temperature and humidity antifreeze type combined air conditioning box also includes: A primary and secondary efficiency filter (3) is fixedly connected to the air conditioning box body (2); A first steam heating coil (4) is fixedly connected to the air conditioning box body (2); A cold water coil (5) is fixedly connected to the air conditioning box body (2); A second steam heating coil (6) is fixedly connected to the air conditioning box body (2); A steam humidifier (7) installed in the air conditioning box body (2); A fan motor assembly (8) is installed in the air conditioning box body (2); A high efficiency filter (9) installed in the air conditioning box body (2); A box base (11) is fixedly connected to the bottom wall of the air conditioning box body (2); A water inlet pipe (12) fixedly connected to the cold water coil (5) and in communication with the cold water coil (5); The water outlet pipe (13) is fixedly connected to the cold water coil (5) and communicates with the cold water coil (5).
2. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 1, characterized in that: The internal space of the air conditioning box body (2) is a U-shaped cavity.
3. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 1, characterized in that: The second steam heating coil (6) and the cold water coil (5) adopt an inclined coil design.
4. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 3, characterized in that: The water inlet pipe (12) is located at the bottom of the cold water coil (5), the water outlet pipe (13) is located at the top of the cold water coil (5), and the water inlet pipe (12) is connected to the water outlet pipe (13) through the cold water coil (5).
5. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 2, characterized in that: The air inlet valve (1), the primary and secondary efficiency filter (3), the first steam heating coil (4) and the cold water coil (5) are located on the same side of the air conditioning box body (2).
6. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 5, characterized in that: The second steam heating coil (6), the steam humidifier (7), the fan motor assembly (8), the high-efficiency filter (9), and the air supply valve (10) are located on the same side of the air conditioning box body (2).
7. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 1, characterized in that: The primary and secondary efficiency filters (3) are installed vertically.
8. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 7, characterized in that: The air outlet of the fan motor assembly (8) is communicated with the air inlet of the high efficiency filter (9).
9. A vertical constant temperature and humidity antifreeze type combined air conditioning box according to claim 4, characterized in that: One end of the water inlet pipe (12) away from the cold water coil (5) and one end of the water outlet pipe (13) away from the cold water coil (5) respectively pass through the side wall of the air conditioning box body (2).