CN220303793U - Seat type air conditioner - Google Patents

Abstract

The utility model discloses a seat type air conditioner which comprises a seat main body, a semiconductor refrigerating device, a first fan, a second fan and a heating device, wherein the seat main body comprises a base part and a backrest part, the base part is provided with a hot air duct and a cold air duct, the hot air duct extends to the front side surface of the base part, a hot air outlet is formed in the front side surface of the base part, the cold air duct extends to the backrest part, and a cold air outlet is formed in the backrest part. The semiconductor refrigerating device is arranged on the base part, the cold end of the semiconductor refrigerating device is positioned in the cold air channel, and the hot end of the semiconductor refrigerating device is positioned in the hot air channel. The first fan is arranged in the cold air duct and is positioned between the cold end of the semiconductor refrigerating device and the cold air outlet. The second fan is arranged in the hot air duct and is positioned between the hot end of the semiconductor refrigerating device and the hot air outlet. The heating device is arranged in the hot air duct. The technical scheme of the utility model can facilitate the movement of the seat type air conditioner and improve the use flexibility of the seat type air conditioner.

Description

Seat type air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to a seat type air conditioner.

Background

Ambient temperature control of everyday life or workspaces is typically achieved by the temperature of the air, such as an entire room, office or single enclosed area. The conventional air conditioner is mainly in the form of a hanging machine and a cabinet machine, and a seat with an air conditioner is currently proposed (see patent document disclosed in application number 202110802021.5, 2021, 12 and 21), so that the air conditioner is combined with the seat, and the occupied space can be reduced. However, the air conditioner is required to be connected with an outdoor unit for use, is limited by the outdoor unit of the air conditioner, cannot move the seat air conditioner in any space, has fixity, and lacks flexibility.

Disclosure of Invention

The utility model mainly aims to provide a seat-type air conditioner, which aims to facilitate movement of the seat-type air conditioner and improve the use flexibility of the seat-type air conditioner.

In order to achieve the above object, the present utility model provides a seat-type air conditioner, comprising:

the seat main body comprises a base part and a backrest part, wherein the base part is provided with a hot air duct and a cold air duct, the hot air duct extends to the front side surface of the base part, a hot air outlet is formed in the front side surface of the base part, and the cold air duct extends to the backrest part and forms a cold air outlet in the backrest part;

the semiconductor refrigerating device is arranged on the base part, the cold end of the semiconductor refrigerating device is positioned in the cold air channel, and the hot end of the semiconductor refrigerating device is positioned in the hot air channel;

the first fan is arranged in the cold air duct and is positioned between the cold end of the semiconductor refrigerating device and the cold air outlet;

the second fan is arranged in the hot air duct and is positioned between the hot end of the semiconductor refrigerating device and the hot air outlet; and

and the heating device is arranged in the hot air duct.

Optionally, the cold air outlet is located at an upper position of the backrest part, the backrest part has a top surface, a front surface, a back surface and two opposite side surfaces, and at least one of the top surface, the front surface, the back surface and the side surfaces is provided with the cold air outlet.

Optionally, the top surface, the upper part of the back surface and the upper parts of the two side surfaces are all provided with the cold air outlets.

Optionally, the hot air outlet is provided with an air deflector, and the air deflector is provided with a plurality of ventilation holes; the heating device is located at one side of the second fan away from the hot air outlet.

Optionally, two air inlets are arranged at the bottom of the base part at intervals, wherein one air inlet is communicated with the cold air duct, and the other air inlet is communicated with the hot air duct; or the bottom of the base part is provided with an air inlet, and the cold air duct and the hot air duct are communicated with the air inlet.

Optionally, the seat-type air conditioner further comprises an air filter, and the air filter is arranged at the air inlet.

Optionally, the semiconductor refrigeration device includes a semiconductor refrigeration sheet, a hot-end heat-conducting sheet and a cold-end heat-conducting sheet, wherein the hot-end heat-conducting sheet is connected to the hot end of the semiconductor refrigeration sheet and is located in the hot air duct, and the cold-end heat-conducting sheet is connected to the cold end of the semiconductor refrigeration sheet and is located in the cold air duct.

Optionally, the hot end of the semiconductor refrigeration device is arranged at intervals with the inner wall of the hot air duct, the seat-type air conditioner further comprises a heat dissipation fan, the heat dissipation fan is arranged at the hot end of the semiconductor refrigeration device, and the air outlet side of the heat dissipation fan faces to the second fan.

Optionally, a sound insulation layer, a noise reduction layer and a heat insulation layer are arranged on the base part and the backrest part outside the cold air duct and the hot air duct.

Optionally, the seat-type air conditioner further comprises an electric control box, wherein the electric control box is arranged at the bottom of the base part, and the semiconductor refrigerating device, the first fan, the second fan and the heating device are all electrically connected with the electric control box.

Optionally, the first fan comprises a first motor and a first through-flow wind wheel, the first motor is fixed on the base part, and the first through-flow wind wheel is connected with a rotating shaft of the first motor and is positioned in the cold air duct; the second fan comprises a second motor and a second cross-flow wind wheel, the second motor is fixed on the base part, and the second cross-flow wind wheel is connected with a rotating shaft of the second motor and is positioned in the hot air duct.

According to the technical scheme, the hot air duct and the cold air duct are arranged on the seat main body, when the semiconductor refrigerating device is installed on the seat body, the cold end of the semiconductor refrigerating device is located in the cold air duct, the hot end of the semiconductor refrigerating device is located in the hot air duct, and meanwhile the heating device is arranged in the hot air duct. When the semiconductor refrigerating device works, air flow enters the cold air channel through the first fan in the cold air channel, cold air is formed through cold end heat exchange of the semiconductor refrigerating device and flows out of the cold air outlet, and therefore the ambient environment can be cooled or cold air can be blown to a user. When the second fan and the heating device in the hot air duct are in a working state, and the semiconductor refrigerating device and the first fan are in a stop state, the second fan drives air flow to enter the hot air duct and flows out from the hot air outlet after heat exchange of the heating device is carried out to form hot air, so that hot air is discharged from the front side of the seat main body, and the effect of foot warming is achieved. So set up, need not set up compressor and air condensing units, avoided the restriction of refrigerant pipeline for seat formula air conditioner realizes arbitrary space nimble removal, has increased usable scene, has promoted the flexibility of use.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a seat air conditioner according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the seat air conditioner of FIG. 1;

fig. 3 is a schematic view illustrating another angle of the seat air conditioner in fig. 1.

Reference numerals illustrate:

10. a seat main body; 11. a base portion; 111. a hot air duct; 112. a hot air outlet; 113. a cold air duct; 114. an air inlet; 12. a backrest part; 121. a cold air outlet; 20. a semiconductor refrigeration device; 21. a semiconductor refrigeration sheet; 22. a hot-end heat-conducting sheet; 23. cold end heat conducting fin; 31. a first fan; 32. a second fan; 40. a heating device; 50. an air deflector; 51. a vent hole; 60. an air filter; 70. a heat radiation fan; 80. an electric control box; 91. supporting feet; 92. reinforcing ribs.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a seat type air conditioner.

In the embodiment of the present utility model, as shown in fig. 1 to 3, the seat type air conditioner includes a seat main body 10, a semiconductor cooling device 20, a first fan 31, a second fan 32, and a heat generating device 40, the seat main body 10 includes a base portion 11 and a backrest portion 12, the base portion 11 is provided with a hot air duct 111 and a cold air duct 113, the hot air duct 111 extends to a front side surface of the base portion 11 and forms a hot air outlet at the front side surface of the base portion 11, the cold air duct 113 extends to the backrest portion 12, and forms a cold air outlet 121 at the backrest portion 12. The semiconductor refrigeration device 20 is arranged on the base part 11, the cold end of the semiconductor refrigeration device 20 is positioned on the cold air duct 113, and the hot end of the semiconductor refrigeration device 20 is positioned on the hot air duct 111. The first fan 31 is disposed in the cold air duct 113 and is located between the cold end of the semiconductor refrigeration device 20 and the cold air outlet 121. The second fan 32 is disposed in the hot air duct 111 and is located between the hot end of the semiconductor refrigeration device 20 and the hot air outlet 112. The heating device 40 is disposed in the hot air duct 111 and is located at a side of the second fan 32 away from the hot air outlet 112.

Specifically, in use, a user may sit on the base portion 11 and may be leaned against the backrest portion 12, and optionally, a armrest portion is further provided on the base portion 11 so that the user may place his or her hands on the armrest portion while sitting down.

In this embodiment, the seat air conditioner further includes an electric control box 80, and the semiconductor refrigeration device 20, the first fan 31, the second fan 32 and the heat generating device 40 are all electrically connected with the electric control box 80, so that when the electric control box 80 is externally connected with a power supply, power can be supplied and controlled to the semiconductor refrigeration device 20, the first fan 31, the second fan 32 and the heat generating device 40.

The heating device 40 is located at one side of the second fan 32 far away from the hot air outlet 112, the seat-type air conditioner has a cooling mode and a heating mode, and in the cooling mode, the first fan 31, the second fan 32 and the semiconductor refrigerating device 20 are all in a working state, namely, after the semiconductor refrigerating device 20 is powered on with current, the cold end temperature is reduced, the hot end temperature is increased, the first fan 31 drives air flow into the cold air duct 113, and cold air is formed through cold end heat exchange of the semiconductor refrigerating device 20 and flows out from the cold air outlet 121, so that the ambient environment can be cooled or the cold air can be blown to a user. Meanwhile, the second fan 32 drives the air flow to enter the hot air duct 111, and flows out from the hot air outlet 112 after heat exchange is performed on the hot end of the semiconductor refrigeration device 20 to form hot air, so that heat dissipation can be performed on the hot end of the semiconductor refrigeration device 20, and the cold end refrigeration effect of the semiconductor refrigeration device 20 is improved. Since the cool air outlet 121 is located at the backrest portion 12, the cool air outlet 121 can be located at a higher position. The hot air blown out from the hot air outlet 112 may be directly discharged into the room, and in this case, the user or the space where the user is located may be directly blown by the cool air outlet 121. Or the hot air outlet 112 is connected with an exhaust pipe, and the hot air of the hot air outlet 112 is exhausted to the outside through the exhaust pipe.

When the heating mode is adopted, the second fan 32 and the heating device 40 are in a working state, the semiconductor refrigerating device 20 and the first fan 31 are in a stop state, so that when the heating device 40 is electrified to generate heat, the second fan 32 drives air flow into the hot air duct 111 and flows out of the hot air outlet 112 after passing through the heating device 40, hot air is discharged, and because the hot air outlet is positioned on the front side surface of the base part 11, when a user sits on the base part 11, the hot air can be blown to the feet and the legs of the user, and the foot warming effect is realized. Of course, in other embodiments, the heat generating device 40 is located between the second fan 32 and the hot air outlet 112, so that heat exchange can be performed through the heat generating device 40 when the second fan 32 drives the air flow into the hot air duct 111 in the heating mode.

The seat type air conditioner has wide application prospect because of no limitation of a compressor and an air conditioner outdoor unit, and can be used in large public environments such as living rooms, library diagrams, reading rooms, subway waiting workshops and the like. Because of the convenience and low cost, the method can be applied to buildings and building sites and mines (the split air conditioner is inconvenient to disassemble and move due to the short construction period of the scene, and the secondary installation cost is high, and the seat air conditioner is characterized by moving at any time and being plug and play, so that the method is very suitable for offices for temporary use) and the like, wherein the outer walls of the building groups can not be placed on the outer walls of the buildings. Besides, condensing agents such as Freon and the like are not needed, so that the emission of harmful gases can be avoided, and the environment-friendly and sustainable effect is achieved truly. In addition, the present solution makes full use of the space under the seat body 10, making the whole room look more neat, spacious, and beautiful.

According to the technical scheme of the utility model, the hot air duct 111 and the cold air duct 113 are arranged on the seat main body 10, so that the cold end of the semiconductor refrigeration device 20 is positioned in the cold air duct 113, the hot end of the semiconductor refrigeration device 20 is positioned in the hot air duct 111, and the heating device 40 is arranged in the hot air duct 111 when the semiconductor refrigeration device 20 is arranged on the seat body. Thus, when the semiconductor refrigeration device 20 works, the first fan 31 in the cold air duct 113 enables air flow to enter the cold air duct 113, and cold air is formed by heat exchange of the cold end of the semiconductor refrigeration device 20 and flows out of the cold air outlet 121, so that the ambient environment can be cooled or the cold air can be blown to a user. And when the second fan 32 and the heating device 40 in the hot air duct 111 are in a working state and the semiconductor refrigerating device 20 and the first fan 31 are in a stop state, the second fan 32 drives air flow into the hot air duct 111 and forms hot air through heat exchange of the heating device 40 and then flows out from the hot air outlet 112, so that hot air is discharged from the front side of the seat main body 10, and the effect of warming feet is achieved. So set up, need not set up compressor and air condensing units, avoided the restriction of refrigerant pipeline for seat formula air conditioner realizes arbitrary space nimble removal, has increased usable scene, has promoted the flexibility of use.

In some embodiments, the heating device 40 includes a ceramic heating plate and a heat sink connected to the ceramic heating plate, and when the ceramic heating plate is used as a heating source, the heating device 40 has high thermal efficiency and uniform heating, and can raise the temperature rising speed of the heating device 40, and is relatively energy-saving. The heat exchange area can be increased by the arrangement of the radiating fins, and the hot air effect is improved.

In some embodiments, the cool air outlet 121 is located at an upper position of the backrest portion 12, the backrest portion 12 having a top surface, a front surface, a back surface, and two opposite sides, at least one of the top surface, the front surface, the back surface, and the sides being provided with the cool air outlet 121. By the arrangement, the position of the cold air outlet 121 can be higher, and the cold air outlet 121 can be better located in a higher indoor space when blowing cold air, so that the refrigerating effect is prompted. Wherein the front face, i.e. the face of the backrest portion 12 facing the back of the user, and the two sides, i.e. the left and right sides of the backrest portion 12. The cool air outlet 121 may be provided at one or more of the top surface, the front surface, the rear surface, and the two side surfaces.

In some embodiments, the top surface, the upper portion of the back surface, and the upper portions of both side surfaces are provided with cool air outlets 121. Therefore, the space around the backrest 12 can be cooled uniformly in multiple directions, the cooling area is increased, and the use comfort is improved. Optionally, a baffle is disposed at the cold air outlet 121, and the baffle is openably and closably mounted at the cold air outlet 121 to cover or open the cold air outlet 121, so that the corresponding cold air outlet 121 can be covered or opened as required, and the air outlet position can be freely selected. In some embodiments, the front side is provided with the cold air outlet 121, the front side is provided with a current limiting plate covered on the cold air outlet 121, and the current limiting plate is provided with a plurality of through holes, so that the front side air outlet speed can be reduced, the air blowing sense can be reduced while the cooling by blowing cold air to the back of a user sitting on the seat main body 10 is realized, and the use comfort can be improved.

In some embodiments, the hot air outlet 112 is provided with an air deflector 50, and the air deflector 50 is provided with a plurality of ventilation holes 51. Specifically, the air deflector 50 covers the hot air outlet 112, so that the air outlet speed can be reduced by the air deflector 50, the air blowing feeling can be reduced, and the use comfort can be prompted.

In some embodiments, two air inlets 114 are arranged at the bottom of the base part 11 at intervals, wherein one air inlet 114 is communicated with the cold air duct 113, and the other air inlet 114 is communicated with the hot air duct 111; this allows the intake air of the cool air duct 113 and the hot air duct 111 to be independent of each other. In other embodiments, an air inlet 114 is provided at the bottom of the base 11, and the cold air duct 113 and the hot air duct 111 are connected to the air inlet 114. Thus, the cold air duct 113 and the hot air duct 111 share the same air intake 114, and the structure of the seat body 10 can be simplified. And the air inlet 114 is arranged at the bottom of the base part 11, so that the air inlet 114 is hidden.

In some embodiments, the seat air conditioner further includes an air filter 60, the air filter 60 being disposed at the air intake 114. Specifically, the air filter 60 covers the air inlet 114, and is used for filtering the air entering the cold air duct 113 and the hot air duct 111, so as to prevent dust and the like from entering the cold air duct 113 and the hot air duct 111, and improve the air quality of the air flow of the air outlet.

In some embodiments, the semiconductor refrigeration device 20 includes a semiconductor refrigeration sheet 21, a hot side heat conducting sheet 22, and a cold side heat conducting sheet 23, the hot side heat conducting sheet 22 is connected to the hot side of the semiconductor refrigeration sheet 21 and is located in the hot air duct 111, and the cold side heat conducting sheet 23 is connected to the cold side of the semiconductor refrigeration sheet 21 and is located in the cold air duct 113. Specifically, the hot side heat conductive sheet 22 forms the hot side of the semiconductor refrigeration device 20, and the cold side heat conductive sheet 23 forms the cold side of the semiconductor refrigeration device 20. The hot-end heat conducting fin 22 and the cold-end heat conducting fin 23 are both composed of a heat conducting plate and a plurality of fins arranged on the heat conducting plate, and the heat conducting plate is in heat conduction connection with the hot end/cold end of the semiconductor refrigeration piece 21.

In some embodiments, the hot end of the semiconductor refrigeration device 20 is spaced from the inner wall of the hot air duct 111, the seat-type air conditioner further includes a heat dissipation fan 70, the heat dissipation fan 70 is disposed at the hot end of the semiconductor refrigeration device 20, and the air outlet side of the heat dissipation fan 70 is disposed towards the second fan 32. That is, after the second fan 32 drives the airflow into the hot air duct 111, the heat dissipation fan 70 can drive the airflow to flow through the hot end (the hot end heat conducting fin 22) of the semiconductor refrigeration device 20, so that the size of the hot end of the semiconductor refrigeration device 20 is reduced, and meanwhile, the airflow passing through the hot end of the semiconductor refrigeration device 20 is prevented from being reduced. Of course, in other embodiments, the fins of the hot side heat conducting fin 22 may also extend to the side wall of the hot air duct 111 opposite to the side wall where the semiconductor refrigeration fin 21 is located.

In some embodiments, the fins of the cold-end heat conducting fin 23 extend to a side wall of the cold air duct 113 opposite to the side wall where the semiconductor refrigeration fin 21 is located, so that the air passing through the cold air duct 113 can fully contact with the cold-end heat conducting fin 23 to exchange heat.

In some embodiments, noise reduction layers are provided on the base portion 11 and the backrest portion 12 outside the cool air duct 113 and the hot air duct 111. Specifically, the noise reduction layer and the heat insulation layer may be made of damping sound insulation felt, PVC, sound absorbing cotton layer, filling powder or damping net, so as to reduce noise generated when the first fan 31 and the second fan 32 operate, and also reduce heat generated by the hot air duct 111 in the cooling mode and transferred to the surface of the seat body 10.

In some embodiments, the seat air conditioner further includes an electric control box 80, the electric control box 80 is disposed at the bottom of the base portion 11, and the semiconductor refrigeration device 20, the first fan 31, the second fan 32, and the heat generating device 40 are electrically connected to the electric control box 80. By providing the electronic control box 80 at the bottom of the base portion 11, the space of the base portion 11 can be fully utilized, and the occupation of the installation space of the cooling air duct 113 can be reduced.

In some embodiments, the first fan 31 includes a first motor and a first through-flow wind wheel, the first motor is fixed on the base portion 11, and the first through-flow wind wheel is connected with a rotating shaft of the first motor and is located in the cold air duct 113; the second fan 32 includes a second motor fixed to the base 11 and a second cross-flow wind wheel connected to a rotation shaft of the second motor and located in the hot air duct 111. Specifically, the first through-flow wind wheel and the second through-flow wind wheel are both transversely arranged, so that the transverse air outlet range of the cold air outlet 121 and the hot air outlet 112 is larger, and the use experience is improved.

In some embodiments, the shortest distance between the cold end of the semiconductor refrigeration device 20 and the first fan 31 is not less than 12cm and not more than 15cm, so that a better heat exchange effect can be ensured, and the influence of the semiconductor refrigeration device 20 on the first fan 31 can be reduced. The shortest distance between the cold end of the semiconductor refrigeration device 20 and the first fan 31 may be 12cm, 13cm, 14cm or 15cm.

In some embodiments, the shortest distance between the hot end of the semiconductor refrigeration device 20 and the second fan 32 is not less than 3cm and not more than 6cm, so that a better heat exchange effect can be ensured, and the influence of the semiconductor refrigeration device 20 on the second fan 32 can be reduced. The shortest distance between the cold end of the semiconductor refrigeration device 20 and the first fan 31 may be 3cm, 4cm, 5cm or 6cm.

In some embodiments, the bottom of the base portion 11 is provided with a plurality of supporting feet 91, the plurality of supporting feet 91 are distributed along the circumferential direction of the base portion 11 at intervals, and a reinforcing rib 92 is disposed between two opposite supporting feet 91, the reinforcing rib 92 includes a bearing section and two supporting sections disposed at two ends of the bearing section, one supporting section is disposed on the inner side of one supporting foot 91, the other supporting section is disposed on the inner side of the opposite supporting foot 91, and the bearing section is connected to the bottom of the base portion 11. This can increase the structural strength of the support leg 91 to better support the seat body 10.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A seat air conditioner, comprising:

the seat main body comprises a base part and a backrest part, wherein the base part is provided with a hot air duct and a cold air duct, the hot air duct extends to the front side surface of the base part, a hot air outlet is formed in the front side surface of the base part, and the cold air duct extends to the backrest part and forms a cold air outlet in the backrest part;

the semiconductor refrigerating device is arranged on the base part, the cold end of the semiconductor refrigerating device is positioned in the cold air channel, and the hot end of the semiconductor refrigerating device is positioned in the hot air channel;

the first fan is arranged in the cold air duct and is positioned between the cold end of the semiconductor refrigerating device and the cold air outlet;

the second fan is arranged in the hot air duct and is positioned between the hot end of the semiconductor refrigerating device and the hot air outlet; and

and the heating device is arranged in the hot air duct.

2. The seat air conditioner according to claim 1, wherein the cool air outlet is located at an upper position of the backrest portion, the backrest portion having a top surface, a front surface, a back surface, and two opposite side surfaces, at least one of the top surface, the front surface, the back surface, and the side surfaces being provided with the cool air outlet.

3. The seat air conditioner according to claim 2, wherein the top surface, the upper portion of the back surface and the upper portions of both the side surfaces are provided with the cool air outlets.

4. The seat-type air conditioner according to claim 1, wherein the hot air outlet is provided with an air deflector, and the air deflector is provided with a plurality of ventilation holes; the heating device is located at one side of the second fan away from the hot air outlet.

5. The seat-type air conditioner according to claim 1, wherein the bottom of the base portion is provided with two air inlets spaced apart, one of the air inlets is communicated with the cold air duct, and the other air inlet is communicated with the hot air duct; or the bottom of the base part is provided with an air inlet, and the cold air duct and the hot air duct are communicated with the air inlet.

6. The seat air conditioner according to claim 5, further comprising an air filter disposed at the air intake.

7. The seat-type air conditioner of claim 1, wherein the semiconductor refrigerating device comprises a semiconductor refrigerating sheet, a hot-end heat-conducting sheet and a cold-end heat-conducting sheet, the hot-end heat-conducting sheet is connected to the hot end of the semiconductor refrigerating sheet and is positioned in the hot air duct, and the cold-end heat-conducting sheet is connected to the cold end of the semiconductor refrigerating sheet and is positioned in the cold air duct.

8. The seat air conditioner of claim 1, wherein the hot end of the semiconductor refrigeration device is spaced from the inner wall of the hot air duct, the seat air conditioner further comprises a heat dissipation fan, the heat dissipation fan is arranged at the hot end of the semiconductor refrigeration device, and the air outlet side of the heat dissipation fan is arranged towards the second fan.

9. The seat air conditioner according to claim 1, wherein a sound insulation layer, a noise reduction layer and a heat insulation layer are provided on the base portion and the backrest portion outside the cold air duct and the hot air duct;

the seat-type air conditioner further comprises an electric control box, wherein the electric control box is arranged at the bottom of the base part, and the semiconductor refrigerating device, the first fan, the second fan and the heating device are all electrically connected with the electric control box.

10. The seat-type air conditioner according to claim 1, wherein the first fan comprises a first motor and a first through-flow wind wheel, the first motor is fixed on the base part, and the first through-flow wind wheel is connected with a rotating shaft of the first motor and is positioned in the cold air duct;

the second fan comprises a second motor and a second cross-flow wind wheel, the second motor is fixed on the base part, and the second cross-flow wind wheel is connected with a rotating shaft of the second motor and is positioned in the hot air duct.