WO2012075859A1

WO2012075859A1 - Air-conditioning module device for automobile chair and office chair

Info

Publication number: WO2012075859A1
Application number: PCT/CN2011/081161
Authority: WO
Inventors: 姜大伟
Original assignee: Jiang Dawei
Priority date: 2010-12-09
Filing date: 2011-10-24
Publication date: 2012-06-14
Also published as: CN102059969B; CN102059969A

Abstract

A semiconductor air-conditioning module device and an application thereof. The semiconductor air-conditioning module device comprises a thermoelectric assembly (104), an inner side radiating fin (105) and an outer side radiating fin mounted on the thermoelectric assembly (104), a rectifying grid (103) and a ventilation reducing tube (102) connected to the thermoelectric assembly (104), and an axial flow fan (101). The fluid movement direction of an air outlet of the axial flow fan (101) accords with that of the ventilation reducing tube (102), the rectifying grid (103) and heat conduction components and cold and hot air outlets of the inner and outer radiating fins. The device has advantages of small volume, light weight, low energy consumption, high efficiency, and low cost.

Description

Automobile and office seat air conditioning module device

Technical field

This invention relates to the application of the Thermoelectric Cooler technology. In particular, an air conditioning module device for an automobile and an office chair is specifically a utility of a thermoelectric semiconductor air conditioning module device in an automobile and an office chair.

Background technique

Cars and office chairs are essential for people in their daily lives and at work. However, in the hot summer even in an air-conditioned environment, people will feel a feeling of dampness and heat from the seat and backrest of the seat, so we often simply use the method of using the cool pad to solve it; In the cold winter, even in a heated environment, people will feel a cold and cold feeling from the seat and backrest of the seat, so we often simply use the warm pad to solve .

Utilizing the working principle of electric cooling (heat) of the thermoelectric semiconductor component itself, a mode of cooling or heating of an automobile and office seat air-conditioning module device is constructed, that is, the electric power semiconductor module is directly driven by electric energy, Air convection is the way to achieve the cooling or heating of the seat. CN 201010507718.1 discloses a thermoelectric semiconductor air-conditioned seat module and a seat air-conditioning system. The invention not only embodies the green and low-carbon environmental protection concept, but also satisfies the demand for car seat comfort. However, the axial flow fan used in the above technology may have a turbulent state of the air due to the annular flow of the air outlet and the rotational flow, so that the downstream air flow field is extremely unevenly distributed and the flow of the air fluid is caused. , the pressure loss is large and the heat transfer (cold) effect is not good. Therefore, it is necessary to improve the existing thermoelectric semiconductor air-conditioning seat module and seat air-conditioning system technology.

Summary of the invention

The object of the present invention is to provide a new seat air conditioning module (hereinafter referred to as an air conditioning module) device, which can be applied not only to a seat of a vehicle (such as a car) having an air conditioning system environment, but also to an air conditioner. It is widely used in vehicles in system environments (such as construction vehicles, etc.), as well as in office seats and various other seats in various environments. The invention obviously overcomes the shortcomings of the prior art, and can make the air fluid in the air conditioning module device become a uniformly distributed laminar flow state in the downstream flow field, thereby making the air fluid flow rate, pressure and noise and other technical indexes. Both have been significantly improved and the heat transfer (cold) efficiency has been greatly improved. At the same time, the invention has obvious advantages of small size, light weight, low energy consumption, high efficiency and low cost compared with the prior art, and is very suitable for use in various environments of use of automobiles and office seats (if there is no air conditioning system) The air conditioning module unit in the system can fully satisfy the comfort in the use of cars and office seats.

The seat air conditioning module device provided by the invention comprises:

At least one thermoelectric semiconductor air conditioning unit (hereinafter referred to as an air conditioning unit), an inner fin and an outer fin mounted on the air conditioner unit, a rectifying grid and a ventilating variable connected thereto, and a shared axial fan; and a fan The air outlet is consistent with the direction of fluid movement of the ventilation reduction, the rectifier grid, the heat conduction means of the inner and outer fins, and the cold and hot air outlets. Install a ventilation reducer at a position downstream of the axial fan air outlet, install a rectifier grid in the ventilation reducer, install an air conditioning unit downstream of the rectifier grid, and heat transfer devices on the inner and outer fins on the air conditioning unit The downstream locations are each equipped with their own cold and hot air outlets. The air-conditioning module device adopts an axial flow fan, which can significantly improve the inner heat sink mounted on the air-conditioning component, especially the heat conduction device of the outer heat sink, thereby effectively increasing the heat conduction of the outer heat sink. The heat dissipation area of the device, which is in line with the basic law of the cold and hot surfaces of the air conditioning unit during heat dissipation. By adjusting the heat dissipation area, shape and material of the heat conduction device of the inner heat sink and the outer heat sink mounted on the air conditioner component, it is possible to obtain a lower temperature than the ambient temperature from the cold surface of the air conditioner component and the cold air outlet of the air conditioner module device. Used to meet the cooling requirements of seats in an airless system environment.

The heat dissipation area of the heat conduction device of the inner fin mounted on the air conditioning unit may be smaller than or equal to the heat dissipation area of the heat conduction device of the outer fin according to the application seat environment (if there is no air conditioning system or the like); installation on the air conditioning unit The shape and material of the heat conducting device of the inner fin may be the same or different from the shape and material of the heat conducting device of the outer fin according to the application seat environment (if there is no air conditioning system or the like).

The air conditioning module device provided by the invention comprises: an axial flow fan, a ventilation reducer, a rectifier grid, an air conditioning component and inner and outer fins thereon, and respective air outlets of cold and heat, the main features of which are:

At least one air conditioning unit, an inner fin and an outer fin mounted on the air conditioner unit, a rectifying grid connected thereto, a ventilation reducer, and a shared axial fan; and the fan outlet and the ventilation reducer The heat transfer device of the rectifier grid, the inner and outer fins, and the direction of fluid movement of the cold and hot air outlets are identical. The air conditioning module device adopts an axial flow fan, which can significantly increase the heat dissipation area of the inner heat sink mounted on the air conditioner component, especially the heat conduction device of the outer heat sink, compared with other fluid transport devices.

The ventilation variable diameter installed at the downstream position of the axial fan air outlet, the length of the fan should be 0.5 to 5 times the diameter of the fan; the rectifier grid is installed in the ventilation reduction; the air conditioning component is installed downstream of the rectifier grid, The respective cold and hot air outlets are respectively installed at the downstream positions of the heat conducting devices of the inner and outer fins on the air conditioning unit.

The ventilation reduction is a casing which is gradually reduced from the axial fan outlet to the air-conditioning component, and its function is to gradually compress and fully mix the turbulent air fluid of the axial fan outlet. The rectifying grid is composed of a plurality of regularly arranged venting holes, which are used for dividing and arranging the air fluid compressed and mixed by the ventilating variable to make the chaotic turbulent flow into a stable laminar flow state and flow to the downstream position thereof. Heat exchange (cold) on the heat conduction devices of the inner and outer fins installed on the air conditioning unit, so that the flow rate, pressure and noise of the air fluid are significantly improved, and the heat exchange (cold) efficiency is obtained. A substantial increase.

The heat dissipation area of the heat conduction device of the inner fin mounted on the air conditioning unit may be less than or equal to the heat conduction device of the outer fin (such as the fin of the heat sink) depending on the application seat environment (if there is no air conditioning system or the like). The heat dissipation area is generally selected between 0.6 and 1. The shape and material of the heat conduction device of the inner heat sink mounted on the air conditioning unit can be the same or different depending on the application seat environment (if there is no air conditioning system, etc.). The shape and material of the heat conduction device of the outer fin, the heat conduction device is a material of various shapes and materials satisfying the heat conduction requirement of the air conditioner component, and the heat conduction material includes, for example, copper, aluminum alloy or copper and aluminum alloy combined with other materials. Material, etc.

The application of the seat air conditioner module device of the present invention is to manufacture an air-conditioned seat on an arbitrarily used seat (whether or not No air conditioning system), especially for the manufacture of motor vehicles, ships, aircraft seats and office and theater seats. The characteristics of a new seat air conditioner module device provided by the present invention are specifically described as follows:

When the air conditioning unit is connected to direct current, one end is cooled, and the other end is simultaneously heated, and the cold and heat are respectively conducted to the heat conduction devices of the inner and outer fins mounted thereon; the axial fan is turned into a direct current rotation , and the ambient air fluid is blown into the ventilation variable diameter of the downstream position, and after being gradually compressed and fully mixed by the ventilation variable diameter, it flows into the rectifier grid at the downstream position, and the air fluid is rectified by the rectifier grid to stabilize the laminar flow state. Heat transfer means through the inner and outer fins of the downstream position; respectively; after the cold and hot exchange of the air fluid, they are respectively blown out from the respective cold and hot air outlets at their downstream positions. The occupant can select the cold or hot state according to their own needs, and then the selected cold or hot air fluid enters the seat seat and the backrest to achieve its cold or hot function, while the other side Air fluid is discharged into the environmental space. The choice of cold or hot is only convenient for the occupant by changing the direction of the current of the DC power supply. DRAWINGS

Figure 1: A perspective view of a seat air conditioning module assembly.

Figure 2: Schematic diagram of the seat air conditioning module unit and seat connection.

Figure 3: Schematic diagram of the ventilation direction of the seat air conditioning module unit.

Figure 4: A perspective view of a heat sink structure.

detailed description

The invention is further illustrated by the following figures, but they are not intended to limit the invention. As shown in Figure 1, it is a three-dimensional schematic diagram of the seat air conditioning module device.

Wherein, 101 is an axial flow fan, 102 is a ventilation reduction, 103 is a rectifier grid, 104 is a thermoelectric module and an inner fin 105 thereon (outer fins are not shown), 106 and 107 are cold and hot, respectively Air outlet.

The ventilation reducer 102 is a casing which is gradually reduced from the air outlet of the axial fan 101 to the air conditioning unit, and functions to gradually compress and fully mix the turbulent air fluid of the axial fan outlet. The rectifying grid 103 is composed of a plurality of regularly arranged vent holes, and the function thereof is to divide and deflate the air fluid compressed and mixed by the ventilating variable diameter, so that the chaotic turbulent flow becomes a stable laminar flow state; The air-conditioning module 104 at the downstream position and the heat-dissipating device of the inner fins 105 and the outer fins mounted thereon exchange heat (cold); thereby, the technical indexes of flow, pressure and noise of the air fluid are significantly improved, and The heat transfer (cold) efficiency is greatly improved.

When the air conditioning unit 104 is supplied with direct current, one end is cooled, and the other end is simultaneously heated, and the cold and heat are respectively conducted to the heat conduction devices of the inner fins 105 and the outer fins mounted thereon; the axial flow fan 101 is turned into a direct current rotation, and the ambient air fluid is blown into the ventilation variable path 102 at the downstream position, and gradually compressed by the ventilation reduction and fully mixed, and then flows into the rectifier grid 103 at the downstream position, and the air fluid is rectified by the rectifier grid. a heat conducting device that passes through the inner and outer fins of the downstream position in a stable laminar flow state; after the heat exchange (cooling), the air fluid is blown out from the respective cold and hot air outlets 106 and 107 at the downstream positions thereof. . The occupant can select the cold or hot state according to their own needs, and then the selected cold or hot air fluid enters the seat seat and the backrest to achieve its cold or hot function, while the other side Air fluid is discharged into the environmental space. Cold or hot choices only need to be changed by the occupants The current direction of the variable DC power supply can be conveniently realized.

As shown in Figure 2, it is a schematic diagram of the seat air conditioning module unit and the seat connection.

Among them, 201 is an axial flow fan, 202 is a housing of an air conditioning module, and 203 and 204 are cold and hot air outlets, respectively. 205 is the ventilation mesh layer above the seat seat (the perforated seat leather fabric is selected on top of it). According to the choice of the occupant, the cold or hot air treated by the air conditioning module is blown out through the mesh layer and the perforated leather surface of the seat to meet the needs of the occupant. When the seat air conditioner module device is installed under the seat seat, the installation position can be parallel or at an angle to the seat seat to ensure that the distance to the seat is optimal. When the seat air-conditioning module device is installed behind the seat back, the installation angle should be parallel or at an angle to ensure that the distance to the backrest is optimal. When the seat air conditioner module is installed under the seat seat, it can also supply air to the seat back.

As shown in Figure 3, it is a schematic diagram of the ventilation direction of the seat air conditioning module.

When the axial flow fan is energized and rotated, the air inlet sucks the ambient air fluid and sequentially blows to the ventilation variable diameter of the downstream position, the rectifier grid, the thermoelectric assembly and the heat conduction device of the inner and outer fins thereon, where the air fluid passes. After heat exchange (cold), they are respectively blown out from the respective cold and hot air outlets at their downstream positions, and useful cold or hot air is blown to the seat, and useless cold or hot air is discharged into the environmental space.

As shown in Figure 4, it is a perspective view of a heat sink structure.

It is just a structural form of one of the heat sinks. It is an advanced heat conduction device made of copper or aluminum sheet and can realize "window" ventilation on its side (not shown in the "window" part), with light weight and heat exchange ( Cold) High efficiency. It can be matched and combined according to the different environment of the application seat, such as: shape and material to achieve the best heat transfer (cold) effect.

The invention obviously overcomes the shortcomings of the air flow turbulence state caused by the annular flow and the rotational flow of the axial flow fan in the use of the axial flow fan, and the distribution of the downstream air flow field is extremely uneven. The downstream flow field of the above air fluid can be changed into a uniformly distributed laminar flow state, so that the technical indexes such as the flow rate, pressure and noise of the 3⁄4 gas fluid are significantly improved, and the heat exchange (cold) efficiency is greatly improved. Upgrade. Therefore, the invention has the advantages of low energy consumption, high efficiency, low cost, convenient heat and cold conversion, etc., overcomes the deficiencies of the original sputum, and can comprehensively satisfy the various environments of use of the automobile and the office seat (if there is no air conditioner) Comfort in the system, etc.).

Claims

Claim

An air conditioning module device comprising at least one thermoelectric semiconductor air conditioning unit, an inner fin, an outer fin, an axial fan, a cold air outlet and a hot air outlet, characterized in that it further comprises: and a thermoelectric semiconductor air conditioning unit The connected rectifier grille and the ventilation reducer; the fan air outlet is consistent with the ventilation direction of the ventilation reducer, the rectifier grille, the inner fin, the heat conduction device of the outer fin, and the cold air outlet and the hot air outlet.

The air conditioning module device according to claim 1, wherein a ventilation reduction is installed at a position downstream of the axial fan air outlet, and a rectifier grid is installed in the ventilation reduction, and the rectifier grid is The air conditioning unit is installed at a downstream location, and the respective cold air outlets and hot air outlets are respectively installed at the downstream positions of the heat radiating devices on the inner fins and the outer fins on the air conditioner assembly.

The fan diameter is 0. 5~5 times the fan diameter.

The air conditioning module device according to claim 1, wherein the heat dissipation surfaces of the inner heat sink and the outer heat sink mounted on the thermoelectric semiconductor air conditioner assembly have the same or different heat dissipation areas, depending on whether the seat is present or not. The environment in which the air conditioner is used varies.

The ratio of the heat dissipation area of the inner side of the heat sink and the outer side of the heat sink is 0. 6~1: 1.

The air conditioning module apparatus according to claim 1, wherein the heat dissipating members of the inner fins and the outer fins mounted on the thermoelectric semiconductor air conditioner unit have the same shape or different shapes.

The air conditioning module device according to claim 1, wherein the inner fin or the outer fin is made of copper, aluminum alloy or copper and aluminum alloy, and other materials.

The air conditioning module device according to claim 1, wherein the diameter of the ventilation reducer gradually decreases from an upstream position to a downstream position to ensure proper compression and thorough mixing of the air fluid.

The air conditioning module device according to claim 1, wherein the size of the rectifying grid gradually becomes smaller from the upstream position to the downstream position to ensure laminar motion of the air fluid after being rectified by the rectifying grid. .

10. The air conditioning module apparatus according to claim 1, wherein said rectifying grid is composed of a plurality of vent holes arranged in a regular manner.

The use of the air conditioning module device according to any one of claims 1 to 10, characterized in that it is applied to a seat for use to manufacture an air-conditioned seat.

The application of the air conditioning module device according to claim 11, wherein the air conditioning module device is mounted at a position parallel to or at an angle to the seat seat when mounted under the seat seat, Guaranteed distance to the seat For the best.

The application of the air conditioning module device according to claim 11, wherein the seat air conditioning module is installed at a position parallel to the seat back or at an angle to the rear of the seat back, The distance to the backrest is guaranteed to be optimal.

14. The use of an air conditioning module apparatus according to claim 11, wherein the seat air conditioning module is mounted below the seat base to supply air to the seat back.

15. An air conditioning module device comprising at least one thermoelectric semiconductor air conditioning unit, an inner fin, an outer fin, an axial fan, a cold air outlet and a hot air outlet, characterized in that it further comprises:

Rectifier grid and ventilation reducer connected to the thermoelectric semiconductor air conditioner component; fluid flow of the fan air outlet and the ventilation reducer, the rectifier grid, the inner fin, the outer fin heat conduction device, and the cold air outlet and the hot air outlet The directions are consistent;

A ventilation variable is installed at a downstream position of the axial fan air outlet, a rectifier grille is installed in the ventilation reducer, and a thermoelectric semiconductor air conditioner component is installed at a position downstream of the rectifier grille, and an inner fin on the air conditioner component and the outer side The downstream of the heat conducting device of the heat sink is respectively installed with a respective cold air outlet and a hot air outlet;

The fan diameter is at least 0.5 times the length of the fan.

The air conditioning module apparatus according to claim 15, wherein a diameter of said ventilation reducing diameter gradually decreases from an upstream position to a downstream position.

The air conditioning module apparatus according to claim 15, wherein the size of said rectifying grid gradually becomes smaller from the upstream position to the downstream position.

18. The air conditioning module apparatus according to claim 15, wherein said rectifying grid is composed of a plurality of regularly arranged vent holes.

19. Use of an air conditioning module apparatus according to claim 15 in the manufacture of motor vehicles, ships, aircraft seats, and office and theater seats.

20. The use of the air conditioning module device according to claim 15, wherein the air conditioning module device is mounted at a position parallel to or at an angle to the seat frame when mounted under the seat.

The use of the air conditioning module device according to claim 15, wherein the air conditioning module device is mounted at a position parallel to or at an angle to the seat back when the seat is mounted behind the seat.

The use of the air conditioning module device according to claim 15, wherein the air conditioning module device is mounted below the seat of the seat to supply air to the seat back.