Ceiling type non-inductive air conditioner terminal

Abstract

The utility model discloses a ceiling type non-inductive air-conditioning terminal, which relates to the technical field of air-conditioning terminals, and comprises two air inlets, an air outlet, two cross flow fans and two heat exchange coils, the two air inlets are respectively connected with the two heat exchange coils, and the two cross flow fans are respectively connected with the two air inlets. The two air inlets are located on the two sides of the tail end of the ceiling type non-inductive air conditioner, and the cabinet type air conditioner is installed against a wall and provided with only one air inlet, so that the speed is low. The left side and the right side of the tail end of the ceiling type air conditioner are each provided with an air inlet, a thermosyphon path is formed at a higher speed through the two cross flow fans, and therefore the indoor temperature reaches the set temperature, the ceiling type air conditioner reduces occupied space, does not need an air treatment machine room, saves the area of usable space, and is convenient to use. The air does not need to be recirculated back to a unit room, so that the advantage of replacement type air supply is maximized, and the cabinet type air conditioner and the ceiling type air conditioner are combined to realize application in various spaces.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning terminals, and in particular to a ceiling-mounted sensorless air-conditioning terminal. Background Art

[0002] Air conditioning control systems are an integral part of modern building environmental management. They are essential for maintaining indoor comfort, improving energy efficiency, and reducing operating costs. At present, there is a cabinet-type thermosyphon beam air conditioning terminal. A fin heat exchanger is set at the corresponding air inlet position inside the cabinet. Active heat exchange is performed by forming a thermosyphon path. However, in many applications, due to limited indoor space, it is not allowed to install ventilation ducts at the entire floor height, and the expansion diameter of the cabinet-type air conditioning terminal along the ground is limited;

[0003] To this end, a ceiling-mounted sensorless air-conditioning terminal is proposed, which can replace the floor-standing ventilation duct with a shorter drainage device, and install two small low-speed DC fans (cross-flow fans) in the gap of the air duct of the thermosiphon beam air-conditioning terminal to greatly improve the performance. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a ceiling-mounted sensorless air-conditioning terminal to solve the technical problems that the ventilation duct at the entire floor height cannot be installed due to limited indoor space, and the expansion diameter of the cabinet air-conditioning terminal along the ground is limited.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A ceiling-mounted sensorless air-conditioning terminal comprises two air inlets, one air outlet, two cross-flow fans and two heat exchange coils, wherein the two air inlets are respectively connected to the two heat exchange coils.

[0009] Preferably: the two air inlets are located on both sides of the end of the ceiling-mounted sensorless air conditioner.

[0010] Preferably, two cross-flow fans are located behind the heat exchange coil.

[0011] Preferably: the air outlet is located at the bottom center of the terminal of the ceiling-mounted sensorless air conditioner.

[0012] (III) Beneficial effects

[0013] 1. Energy saving: Cabinet air conditioners are installed against the wall and have only one air inlet, which is slow. Ceiling air conditioners have one air inlet on each end, and two cross-flow fans form a thermal siphon path at a faster speed, so that the indoor temperature reaches the set temperature.

[0014] 2. Save space: The cabinet air conditioner is installed against the wall and has vertical floor-standing ventilation ducts. The ceiling air conditioner reduces the space occupied and does not require an air handling room, saving the area of ​​usable space.

[0015] 3. Comfort: There is no need to recirculate the air back to the unit room, so the advantages of replacement air supply will be maximized.

[0016] 4. Diversity of applications: The combination of cabinet air conditioners and ceiling air conditioners can be used in various spaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0018] Figure 1 It is an overall cross-sectional view of the utility model;

[0019] Figure 2 It is the internal structure diagram of the utility model;

[0020] Figure 3 It is a bottom view of the utility model;

[0021] Figure 4 This is the internal airflow diagram of the utility model;

[0022] Figure 5 This is an indoor air flow circulation diagram of the utility model.

[0023] Legend: 1. Cross-flow fan; 2. Heat exchange coil; 3. Air inlet; 4. Air outlet. DETAILED DESCRIPTION

[0024] The embodiment of the present application provides a ceiling-mounted sensorless air-conditioning terminal, which effectively solves the technical problems that the ventilation duct at the entire floor height cannot be installed due to limited indoor space, and the expansion diameter of the wind along the ground of the cabinet air-conditioning terminal is limited.

[0025] Example

[0026] The overall idea of ​​the technical solution in the embodiment of the present application is as follows:

[0027] In view of the problems existing in the prior art, the utility model provides a ceiling-mounted non-sensing air-conditioning terminal, comprising two air inlets 3, one air outlet 4, two cross-flow fans 1, and two heat exchange coils 2. The two air inlets 3 are respectively connected to the two heat exchange coils 2, the two air inlets 3 are located on both sides of the ceiling-mounted non-sensing air-conditioning terminal, the two cross-flow fans 1 are located behind the heat exchange coils 2, and the air outlet 4 is located at the bottom center of the ceiling-mounted non-sensing air-conditioning terminal;

[0028] The ceiling air conditioning terminal can operate in the following two modes:

[0029] 1. Passive mode:

[0030] In this mode, the fan is turned off. The ceiling-mounted non-sensing air conditioning terminal is a passive thermosiphon beam air conditioning terminal, which is installed in the air layer formed above the personnel activity area. The air in the hot air layer passively enters the air inlet 3, passes through the heat exchanger and is cooled. The cold air has a high density and naturally falls through the vertical air outlet 4. After the cold air exchanges heat with the indoor heat load, the hotter air rises to the ceiling height again;

[0031] 2. Enhanced mode:

[0032] In this mode, the fan is turned on. Taking cooling as an example, before the thermosiphon path is formed, the indoor air is forced to be sucked into the air inlet 3 by the fan, and the indoor air is heat exchanged at the heat exchange coil 2. The air after heat exchange is blown out into the room by the fan. The cold and hot air in the room have different densities due to the temperature difference. The density of cold air is large and the density of hot air is small. The cold air absorbs indoor heat and rises through displacement ventilation in the room, forming a thermosiphon path. Subsequently, the thermosiphon path is formed and stabilized. Once the thermosiphon circulation path is formed, the fan speed can be reduced or the fan can be turned off. There is no obvious blowing feeling and the noise can be reduced. In winter, the cold air can also be allowed to enter the terminal for heat exchange with the auxiliary effect of the cross-flow fan.

[0033] The cabinet air conditioner is installed against the wall and has only one air inlet end, which is slow. However, the ceiling air conditioner has one air inlet end on each side, and forms a thermal siphon path at a faster speed through two cross-flow fans 1, so that the indoor temperature reaches the set temperature;

[0034] The cabinet air conditioner is installed against the wall and has vertical floor-standing ventilation ducts. The ceiling air conditioner reduces the space occupied and does not require an air handling room, saving the area of ​​the usable space.

[0035] There is no need to recirculate the air back to the unit room, so the advantages of displacement air supply will be maximized. The combination of cabinet air conditioners and ceiling air conditioners can be used in various spaces.

[0036] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A ceiling-mounted sensorless air conditioning terminal, characterized in that: The ceiling-mounted sensorless air conditioning terminal comprises two air inlets (3), an air outlet (4), two cross-flow fans (1), and two heat exchange coils (2); The two air inlets (3) are respectively connected to the two heat exchange coils (2).

2. A ceiling-mounted sensorless air conditioning terminal as claimed in claim 1, characterized in that: Two air inlets (3) are located on both sides of the end of the ceiling-mounted sensorless air conditioner.

3. A ceiling-mounted sensorless air conditioning terminal as claimed in claim 2, characterized in that: Two cross-flow fans (1) are located behind the heat exchange coil (2).

4. A ceiling-mounted sensorless air conditioning terminal as claimed in claim 1, characterized in that: The air outlet (4) is located at the bottom center of the ceiling-mounted sensorless air conditioner terminal.

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