Semiconductor refrigeration type air purifier

Abstract

The utility model discloses a semiconductor refrigeration type air freshening machine. The semiconductor refrigeration type air freshening machine comprises a framework shell, a semiconductor refrigeration module, a fan I, a fan II, an air pretreatment device, a main control integrated circuit board and a power supply assembly. The semiconductor refrigeration module comprises a semiconductor refrigeration piece, a heat dissipation body and a cold conduction body, the heat dissipation body and the cold conduction body are correspondingly attached to the heating face and the refrigeration face of the semiconductor refrigeration piece, and a refrigeration cavity and a heating cavity which are independent of each other are formed. Through the combination of the semiconductor refrigeration module, the fan I, the fan II and the air pretreatment device, the dual functions of air purification and cold air output are achieved, a cold air channel and a hot air channel are isolated from each other in the framework shell, it is ensured that cold air and hot air are not mixed, and the cold air effect is effectively improved; and the air pretreatment device can flexibly select the air purification mode according to the use environment and the user requirement, and the individual requirement is met. The air purifier can be used for purifying indoor or in-vehicle air and is wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of air refreshers, in particular to a semiconductor refrigeration type air refresher. Background Art

[0002] With the improvement of living conditions, people often use various air purification devices to purify the air indoors or in cars to reduce the harm caused by harmful gases to human health. The most common air purification device is the air freshener. However, most existing air fresheners are only used for air purification and have too few functions. When the ambient temperature is too high, the air blown by the air freshener becomes hot air, which has no cooling effect and cannot meet the demand for cooling and relieving summer heat. Utility Model Content

[0003] In view of the above-mentioned shortcomings, the purpose of the present invention is to provide a semiconductor refrigeration air freshener with a reasonable structural design and a cooling air blowing effect.

[0004] In order to achieve the above-mentioned purpose, the technical solution provided by the present utility model is:

[0005] A semiconductor refrigeration type air freshener includes a frame shell, a semiconductor refrigeration module, a fan I, a fan II, an air pretreatment device, a main control integrated circuit board and a power supply component. The semiconductor refrigeration module, fan I, fan II, the air pretreatment device and the main control integrated circuit board are arranged on the frame shell and electrically connected to the power supply component. The semiconductor refrigeration module includes a semiconductor refrigeration plate, a heat sink and a cooling conductor. The heat sink is in contact with the heating surface of the semiconductor refrigeration plate. The ventilated cavity formed by the heat sink and the inner wall of the frame shell on this side is called a heating cavity. The cooling conductor is in contact with the cooling surface of the semiconductor refrigeration plate. The ventilated cavity formed by the cooling conductor and the inner wall of the frame shell on this side is called a cooling cavity.

[0006] The fan I is arranged at the side of the cooling body, an air inlet I is arranged on the frame shell at a position corresponding to the fan I, and an air outlet I is arranged on the far frame shell relative to the air inlet I, which is spaced apart from the fan I and the cooling body and close to the refrigeration cavity.

[0007] The fan II is arranged at the side of the heating chamber, an air inlet II is arranged on the frame shell at a position corresponding to the fan II, and an air outlet II is arranged on the far frame shell relative to the air inlet II, which separates the fan II and the heat sink and is close to the heating chamber.

[0008] The air inlet I, fan I, refrigeration cavity and air outlet I form a continuous cold air channel inside the frame shell; the air inlet II, fan II, heating cavity and air outlet II form a continuous hot air channel inside the frame shell, and the cold air channel and the hot air channel are isolated from each other in the frame shell.

[0009] The air pre-treatment device is arranged on the cold air channel or on the air outlet I.

[0010] As a preferred embodiment of the present invention, the air pre-treatment device comprises one or more combinations of an electrostatic dust collector, a fragrance PTC heating component, a capillary tube fragrance volatilization component, and a negative oxygen ion generator component. Depending on the usage environment and user needs, various pre-treatment components, such as electrostatic dust collector, fragrance PTC heating, capillary tube fragrance volatilization, and negative oxygen ion generator, can be flexibly selected or combined to meet individual needs.

[0011] As a preferred embodiment of the present invention, the air pre-treatment device is a combination of one or more of a HEPA high-efficiency air filter, a paper porous wet curtain, a sponge filter, a filter cloth, and a metal filter. It can effectively remove particulate matter, dust, and other pollutants from the air, thereby improving air quality.

[0012] As a preferred solution of the utility model, it also includes a humidifying device arranged on the frame shell, which can increase the humidity of the air while cooling, prevent the air from being too dry, and improve human comfort.

[0013] As a preferred solution of the present invention, the humidifying device includes a cotton water-absorbing water guide and a water supply device. One end of the cotton water-absorbing water guide is connected to the water supply device, and the other end is connected to the air pretreatment device.

[0014] As a preferred embodiment of the present invention, the humidifying device includes a water pump, a water pipe, a single-fluid nozzle and a water supply device. The water pump is connected to the water supply device through the water pipe, or the water pump is placed in the water supply device, and the water outlet of the water pump is connected to the single-fluid nozzle through the water pipe. The nozzle of the single-fluid nozzle is arranged toward the hot air channel or toward the cold air channel; or,

[0015] The humidifying device includes an air pump, an air pipe, a three-way sleeve, a mixed fluid nozzle and a water supply device, a water permeable hole is provided at the bottom of the water supply device, the air pump and the mixed fluid nozzle are connected through the air pipe, the middle position of the air pipe is connected to the three-way sleeve, the third passage of the three-way sleeve is connected to the water permeable hole provided at the bottom of the water supply device, and the nozzle of the mixed fluid nozzle is arranged toward the hot air channel or toward the cold air channel; or,

[0016] The humidifying device includes an air pump, an air pipe, a water pipe, a two-fluid nozzle and a water supply device. The water supply device is provided with two air holes and one water hole. The air outlet of the air pump is connected to an air hole on the water supply device through the air pipe. The other air hole on the water supply device is connected to the air inlet of the two-fluid nozzle through another air pipe. The water inlet of the two-fluid nozzle is connected to the water hole on the water supply device through the water pipe. The nozzle of the two-fluid nozzle is arranged to face the heating chamber, the fan II, the cooling chamber, or the air pretreatment device; or

[0017] The humidifier includes a water supply component, an ultrasonic microporous atomizer, and an ultrasonic circuit. The water supply component has a water permeable hole at the bottom, and the water absorption surface of the ultrasonic microporous atomizer is connected to the water permeable hole of the water supply component. The water spraying surface of the ultrasonic microporous atomizer is positioned toward the hot air channel or the cold air channel. The appropriate humidification method can be selected according to different needs.

[0018] As a preferred solution of the present invention, the water supply device is a water storage chamber provided in the frame shell; or

[0019] The water supply device is a bottle cap structure provided on the frame shell, with the side of the bottle cap structure containing the internal thread facing the outside of the frame shell. The bottle cap structure can be connected to an external water bottle or water pipe, making it convenient for users to add water and meeting the needs of different usage scenarios.

[0020] The water pump, air pump and ultrasonic circuit are electrically connected to the main control integrated circuit board respectively.

[0021] As a preferred solution of the present invention, the frame shell is provided with a vehicle-mounted installation kit that can be set on the window frame, or can be set on the sunroof frame, or can be set on the roof luggage rack, or can be set on the fixing part of the new energy vehicle battery. The vehicle-mounted installation kit is a rubber sleeve fixing structure, or a retaining spring structure, or a screw and bolt structure, or a complete vehicle electric sunroof opening and closing mechanism. There are many fixing methods, and it can be installed in various positions such as the window frame, sunroof frame, roof luggage rack, etc. to meet the installation requirements of different models. When it is set on the fixing part of the new energy vehicle battery, the air outlet I is set towards the battery module, and the air outlet II is set towards the rear of the vehicle.

[0022] As a preferred solution of the present invention, the fan II is fixed to the frame housing via a rotatable bracket driven by a flip motor, and the flip motor is electrically connected to either the main control integrated circuit board or the vehicle's driving control system.

[0023] When the vehicle speed is less than a preset threshold or the vehicle is stationary, the flip motor drives the bracket that fixes the fan II to rotate forward and makes the fan II vertical. At this time, the fan II starts working and blows air into the heating chamber.

[0024] When the vehicle speed exceeds a preset threshold, the flip motor drives the bracket that fixes the fan II to rotate in the opposite direction and return the fan II to a flat position, at which point the fan II stops working; or

[0025] When the temperature inside the vehicle or the temperature of the new energy vehicle battery pack is higher than a preset threshold, the flip motor drives the bracket that fixes fan II to rotate forward and puts fan II in a vertical state. Fan II starts working and blows air into the heating chamber;

[0026] When the temperature inside the vehicle or the temperature of the new energy vehicle's battery pack falls below a preset threshold, the flip motor drives the bracket holding Fan II to rotate in the opposite direction, returning Fan II to its original position and resting it flat. This stops Fan II and the semiconductor cooling module. This automatically adjusts Fan II's operating state based on vehicle speed and interior temperature, conserving energy while maintaining cooling efficiency.

[0027] As a preferred embodiment of the present invention, the fan I is a side-blowing turbofan with air inlets on both the front and back sides, wherein the front air inlet faces the interior of the vehicle and can take in air from the interior of the vehicle, and the rear air inlet faces the exterior of the vehicle and can take in air from the exterior of the vehicle;

[0028] A slide cover driven by a slide motor is provided at the rear air inlet of the fan I. The slide cover can completely cover the rear air inlet. The slide motor is electrically connected to the main control integrated circuit board or to the vehicle's driving control system.

[0029] When the external circulation circuit is turned on, the sliding cover motor drives the slide rail cover to open, and fan I takes in air from the front air inlet and the back air inlet at the same time;

[0030] When the internal circulation circuit is on, the sliding cover motor drives the slide rail cover to close, and Fan I only draws air from the front air inlet. It can flexibly switch between internal and external circulation to meet the needs of different scenarios.

[0031] As a preferred solution of the present invention, the vehicle-mounted installation kit is provided with a ventilation cavity inside and outside the vehicle body, and a fan III electrically connected to the main control integrated circuit board is provided in the ventilation cavity, the air inlet III of the fan III faces outside the vehicle, and the air outlet III is arranged toward the fan I or the refrigeration cavity;

[0032] An electric control valve is provided in the air outlet direction of fan III, which can completely close air outlet III;

[0033] When the external circulation circuit is turned on, the electric control valve opens and fan III starts working;

[0034] When the internal circulation circuit is opened, the electric control valve is closed and the fan III stops working; or,

[0035] A one-way check valve spring is provided in the air outlet direction of fan III, which can completely close the air outlet III;

[0036] When the external circulation circuit is turned on, fan III starts working and the one-way valve spring is blown open by the positive pressure of the air flow from the direction of air inlet III;

[0037] When the external circulation circuit is turned on, Fan III stops working, and the one-way valve spring is either blown closed by the negative pressure of the airflow from Fan I or by its own rebound force. This enables rapid exchange of air inside and outside the vehicle, improving air quality.

[0038] As a preferred solution of the present invention, the vehicle-mounted installation kit is provided with ventilation cavities inside and outside the vehicle body, and a fan IV electrically connected to the main control integrated circuit board is provided in the ventilation cavity. The air inlet IV of the fan IV is facing inside the vehicle, and the air outlet IV is facing outside the vehicle. A sponge filter, a filter cloth, or a metal filter is provided at the position of the air inlet IV or the air outlet IV, so as to further improve the air quality by filtering the air.

[0039] As a preferred embodiment of the present invention, the frame housing is provided with a cover structure that can be matched with a wall or a window opening of the box structure; the cover structure can be a rubber sleeve fixing kit, a retaining spring fixing kit, an octopus suction cup fixing kit, a magnetic fixing kit, or a screw and bolt fixing kit, to meet the requirements of different installation environments and fixing methods.

[0040] As a preferred solution of the present invention, a solar cell assembly is provided on the frame housing, and the solar cell assembly is electrically connected to the main control integrated circuit board, thereby utilizing solar energy for power supply, and being energy-saving and environmentally friendly.

[0041] As a preferred solution of the present invention, the frame shell is provided with a detachable structure that can be connected to the handlebars or small table of the baby stroller; it can be connected to the handlebars or small table of the baby stroller, making it easy to carry and use.

[0042] The detachable structure can be a spring structure, a screw and bolt structure, or a mortise and tenon structure. A variety of detachable structure options are available to meet the installation needs of different users.

[0043] As a preferred solution of the present invention, the frame housing is provided with an illumination light source and an illumination circuit thereof, and the illumination circuit is electrically connected to the main control integrated circuit board to meet the lighting use requirements.

[0044] As a preferred solution of the present invention, the heat sink and the cooling conductor are respectively metal heat sinks, or are respectively non-metallic structural parts; or,

[0045] The heat sink is a combination of a metal heat sink and a condenser; or

[0046] The heat sink is a combination of a non-metallic structural member and a condenser. Suitable materials and combinations can be selected according to different needs to ensure good thermal conductivity, rapid heat dissipation, and guaranteed cooling effect.

[0047] The beneficial effects of the present invention are as follows: the structural design of the present invention is reasonable, and a semiconductor refrigeration module is added for cooling. Through the combination of the semiconductor refrigeration module, fan I, fan II and air pretreatment device, the dual functions of air purification and cold air output are realized, and the cold air channel and the hot air channel are isolated from each other in the frame shell to ensure that the cold and hot air are not mixed, thereby effectively improving the cooling effect; and the air pretreatment device can flexibly select the air purification method according to the use environment and user needs to meet personalized needs.

[0048] The present invention will be further described below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the present utility model Figure 1 .

[0050] Figure 2 This is a schematic diagram of the three-dimensional structure of Example 1 of the present utility model Figure 2 .

[0051] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure of AA.

[0052] Figure 4 yes Figure 2 Schematic diagram of the cross-sectional structure of BB.

[0053] Figure 5 It is a schematic diagram of the internal structure of Example 1 of the present utility model.

[0054] Figure 6 yes Figure 5 Schematic diagram of the decomposition structure.

[0055] Figure 7 It is a schematic diagram of the three-dimensional structure of Example 2 of the present utility model.

[0056] Figure 8 This is a schematic diagram of the decomposition structure of Example 2 of the present utility model Figure 1 .

[0057] Figure 9 This is a schematic diagram of the decomposition structure of Example 2 of the present utility model Figure 2 .

[0058] Figure 10 This is a schematic diagram of the decomposition structure of Example 2 of the present utility model Figure 3 .

[0059] Figure 11 This is a schematic diagram of the decomposition structure of Example 2 of the present utility model Figure 4 .

[0060] Figure 12 It is a structural diagram of embodiment 2 of the present utility model during installation.

[0061] Figure 13 It is a structural schematic diagram of embodiment 2 of the utility model installed on a new energy vehicle. DETAILED DESCRIPTION

[0062] Example 1, see Figures 1 to 6 This embodiment provides a semiconductor refrigeration air freshener, comprising a housing 1, a semiconductor refrigeration module 2, a fan I 3, a fan II 4, an air pre-treatment device 5, a main control integrated circuit board 6, and a power supply assembly 7. In this embodiment, the power supply assembly 7 is a power plug for connecting to the mains electricity. In other embodiments, the power supply assembly 7 may also be a device capable of providing power, such as a battery module.

[0063] The semiconductor refrigeration module 2, fan I3, fan II4, air pre-treatment device 5, and main control integrated circuit board 6 are mounted on the housing and electrically connected to the power supply assembly 7. The semiconductor refrigeration module 2 includes a semiconductor refrigeration plate 21, a heat sink 22, and a cooling conductor 23. The heat sink 22 and cooling conductor 23 can each be a metal heat sink or a non-metallic structural component. Alternatively, the heat sink 22 can be a combination of a metal heat sink and a condenser, or a combination of a non-metallic structural component and a condenser. Appropriate materials and combinations can be selected according to different needs to ensure good thermal conductivity, rapid heat dissipation, and a guaranteed cooling effect.

[0064] The heat sink 22 is in contact with the heating surface of the semiconductor refrigeration plate 21, and the ventilated cavity formed by the heat sink 22 and the inner wall of the frame shell 1 on this side is called a heating cavity. The cooling conductor 23 is in contact with the cooling surface of the semiconductor refrigeration plate 21, and the ventilated cavity formed by the cooling conductor 23 and the inner wall of the frame shell on this side is called a cooling cavity.

[0065] The fan I3 is arranged at the side of the cooling body 23, and an air inlet I11 is provided on the frame shell 1 at a position corresponding to the fan I3. An air outlet I12 is provided on the far end frame shell relative to the air inlet I11, which is spaced apart from the fan I3 and the cooling body 23 and close to the refrigeration cavity.

[0066] The fan II 4 is positioned to the side of the heating chamber, and an air inlet II 13 is provided on the frame housing 1 at a position corresponding to the fan II 4. An air outlet II 14 is provided on the frame housing at a distal end, located between the fan II 4 and the heat sink 22 and closer to the heating chamber, relative to the air inlet II 13. Preferably, an exhaust fan is also provided at the position of the air outlet II 14 to further accelerate exhaust from the air outlet II 14.

[0067] The air inlet Ⅰ11, the fan Ⅰ3, the refrigeration cavity and the air outlet Ⅰ12 form a continuous cold air channel inside the frame shell 1; the air inlet Ⅱ13, the fan Ⅱ4, the heating cavity and the air outlet Ⅱ14 form a continuous hot air channel inside the frame shell 1, and the cold air channel and the hot air channel are isolated from each other inside the frame shell 1.

[0068] The air pretreatment device 5 is arranged on the cold air channel or on the air outlet I. The air pretreatment device 5 can be an electrostatic dust collection component, or a fragrance PTC heating component, or a capillary perfume electric volatilization component, or a negative oxygen ion generator component, or a combination module of two or more of the above components. According to the use environment and user needs, a variety of pretreatment components such as electrostatic dust collection, fragrance PTC heating, capillary perfume volatilization, negative oxygen ion generator, etc. can be flexibly selected or combined to meet personalized needs. Of course, the air pretreatment device 5 can also be a HEPA high-efficiency air filter, or a paper porous wet curtain, or a sponge filter, or a filter cloth, or a metal filter, or a combination of two or more of the above components, which can effectively remove particulate matter, dust and other pollutants in the air and improve air quality.

[0069] Preferably, the semiconductor refrigeration air freshener of the present invention further includes a humidifying device 8 disposed on the frame housing 1, which can increase the humidity of the air while cooling it, preventing the air from becoming too dry and improving human comfort. Specifically, the humidifying device 8 includes a water pump 81, a water pipe 82, a single-fluid nozzle 83, and a water supply device 84. The water pump 81 is connected to the water supply device 84 via the water pipe 82, or the water pump 81 is placed within the water supply device 84. The water outlet of the water pump 81 is connected to the single-fluid nozzle 83 via the water pipe 82. The nozzle of the single-fluid nozzle 83 is positioned toward the hot air channel or toward the cold air channel.

[0070] In other embodiments, the humidifying device 8 may also have other structures. For example, the humidifying device 8 includes an air pump, an air pipe, a three-way sleeve, a mixed fluid nozzle, and a water supply device. A water hole is provided at the bottom of the water supply device. The air pump and the mixed fluid nozzle are connected through the air pipe. The middle position of the air pipe is connected to the three-way sleeve. The third passage of the three-way sleeve is connected to the water hole provided at the bottom of the water supply device. The nozzle of the mixed fluid nozzle is arranged to face the hot air channel or the cold air channel.

[0071] Alternatively, the humidifying device 8 includes an air pump, an air pipe, a water pipe, a two-fluid nozzle and a water supply device, and the water supply device is provided with two air holes and one water hole. The air outlet of the air pump is connected to an air hole on the water supply device through the air pipe, and the other air hole on the water supply device is connected to the air inlet of the two-fluid nozzle through another air pipe. The water inlet of the two-fluid nozzle is connected to the water hole on the water supply device through the water pipe, and the nozzle of the two-fluid nozzle is arranged either toward the heating chamber, or toward the fan II 4, or toward the cooling chamber, or toward the air pretreatment device 5.

[0072] Alternatively, the humidifying device 8 includes a water supply device, an ultrasonic microporous atomizing sheet and an ultrasonic circuit. A water permeable hole is provided at the bottom of the water supply device. The water absorption surface of the ultrasonic microporous atomizing sheet is connected to the water permeable hole of the water supply device. The water spraying surface of the ultrasonic microporous atomizing sheet is arranged toward the hot air channel or toward the cold air channel.

[0073] Alternatively, the humidifying device 8 includes a cotton water-absorbing water guide and a water supply device, one end of the cotton water-absorbing water guide is connected to the water supply device, and the other end is connected to the air pre-treatment device 5. The appropriate humidification method can be selected according to different needs.

[0074] In this embodiment, the water supply device 84 is a water storage chamber provided in the frame shell; in other embodiments, the water supply device 84 may also be a bottle cap structure provided on the frame shell, with the side of the bottle cap structure containing the internal thread facing the outside of the frame shell, and the bottle cap structure may be connected to an external water bottle or water pipe; this facilitates users to add water and meets the needs of different usage scenarios; the water pump, air pump, and ultrasonic circuit are electrically connected to the main control integrated circuit board 6, respectively.

[0075] The frame housing 1 is provided with a cover structure 9 that can be matched with a wall or a window opening of the box structure. Specifically, the cover structure 9 can be a rubber sleeve fixing kit, a retaining spring fixing kit, an octopus suction cup fixing kit, a magnetic fixing kit, or a screw and bolt fixing kit to meet the requirements of different installation environments and fixing methods.

[0076] In other embodiments, the frame housing 1 may be provided with a detachable structure that can be secured to the handlebars or small table of a baby stroller. Specifically, the detachable structure may be a retaining spring, a screw-bolt structure, or a mortise and tenon structure. A variety of detachable structure options are available to meet the installation needs of different users. It can be secured to the handlebars or small table of a baby stroller for convenient portability and use. Alternatively, if lighting is required, a light source and its lighting circuit can be provided on the frame housing. This lighting circuit is electrically connected to the main control integrated circuit board, thereby providing the lighting function.

[0077] Example 2, see Figures 7 to 13 This embodiment provides a semiconductor refrigeration air freshener, further comprising a vehicle mounting kit 10 mounted on the housing 1, which can be mounted on a vehicle window frame, a sunroof frame, a roof rack, or a mounting fixture for a new energy vehicle battery. When mounted on a new energy vehicle battery fixture, air outlet I faces the battery module, and air outlet II faces the rear of the vehicle.

[0078] In this embodiment, the vehicle installation kit 10 is a complete electric sunroof opening and closing mechanism for installation on a new energy vehicle 40. In other embodiments, the vehicle installation kit 10 can also be a rubber sleeve fixing structure, a spring retaining structure, a screw and rod structure, etc. Multiple fixing methods are available, allowing installation in various locations such as window frames, sunroof frames, roof racks, etc., to meet the installation requirements of different vehicle models.

[0079] Preferably, the fan II 4 is fixed to the frame housing 1 via a rotatable bracket driven by a flip motor 41 , and the flip motor 41 is electrically connected to the main control integrated circuit board 6 or to the vehicle's driving control system.

[0080] When the vehicle speed is less than a preset threshold or the vehicle is stationary, the flip motor 41 drives the bracket that fixes the fan II 4 to rotate forward and makes the fan II 4 vertical. At this time, the fan II 4 starts working and blows air into the heating chamber.

[0081] When the vehicle speed is greater than a preset threshold, the flip motor 41 drives the bracket for fixing the fan II 4 to rotate in the reverse direction and return the fan II 4 to a flat state, at which time the fan II 4 stops working; or

[0082] When the temperature inside the vehicle or the temperature of the new energy vehicle battery pack is higher than a preset threshold, the flip motor 41 drives the bracket that fixes the fan II 4 to rotate forward, and makes the fan II 4 vertical. The fan II 4 starts working and blows air into the heating chamber;

[0083] When the temperature inside the vehicle or the temperature of the new energy vehicle's battery pack falls below a preset threshold, the tilting motor 41 drives the bracket holding fan II 4 to rotate in the opposite direction, returning fan II 4 to its original position and resting it flat. Fan II 4 and the semiconductor cooling module 2 then stop operating. This automatically adjusts the operating state of fan II 4 based on vehicle speed and interior temperature, conserving energy while maintaining cooling efficiency.

[0084] Preferably, the fan 13 is a side-blowing turbofan with air inlets on both its front and back sides. The front air inlet faces inward and draws air from the vehicle, while the back air inlet faces outward and draws air from the vehicle. A slide cover 32 driven by a slide motor 31 is provided at the back air inlet of the fan 13. The slide cover 32 completely shields the back air inlet. The slide motor 31 is electrically connected to either the main control integrated circuit board 6 or the vehicle's driving control system.

[0085] When the external circulation circuit is turned on, the slide motor 31 drives the slide rail cover 32 to open, and the fan I3 takes in air from the front air inlet and the back air inlet at the same time.

[0086] When the internal circulation circuit is turned on, the sliding cover motor 31 drives the sliding rail cover 32 to close, and the fan I3 only takes in air from the front air inlet. It can flexibly switch between internal and external circulation to meet the needs of use in different scenarios.

[0087] Preferably, a ventilation cavity for inside and outside the vehicle body is also provided on the vehicle-mounted installation kit 10, and a fan III electrically connected to the main control integrated circuit board 6 is provided in the ventilation cavity, the air inlet III of the fan III faces outside the vehicle, and the air outlet III is set toward the fan I3 or the refrigeration cavity.

[0088] An electric control valve is provided in the air outlet direction of fan III, which can completely close air outlet III;

[0089] When the external circulation circuit is turned on, the electric control valve opens and fan III starts working;

[0090] When the internal circulation circuit is turned on, the electric control valve is closed and the fan III stops working; alternatively, a one-way stop valve spring is provided in the air outlet direction of the fan III, and the one-way stop valve spring can completely close the air outlet III;

[0091] When the external circulation circuit is turned on, fan III starts working and the one-way valve spring is blown open by the positive pressure of the air flow from the direction of air inlet III;

[0092] When the external circulation circuit is turned on, Fan III stops working, and the one-way valve spring is either blown closed by the negative pressure of the airflow from Fan I3 or by its own rebound force, achieving rapid exchange of air inside and outside the vehicle and improving air quality.

[0093] In addition, a ventilation cavity inside and outside the vehicle body can also be provided on the vehicle-mounted installation kit 10, and a fan IV20 electrically connected to the main control integrated circuit board 6 is provided in the ventilation cavity. The air inlet IV of the fan IV20 is facing inside the vehicle, and the air outlet IV is facing outside the vehicle. A sponge filter, a filter cloth, or a metal filter is provided at the position of the air inlet IV or the air outlet IV, so as to further improve the air quality by filtering the air.

[0094] A solar cell assembly 30 is preferably provided on the frame housing 1 and electrically connected to the main control integrated circuit board 6. Utilizing solar power is energy-efficient and environmentally friendly. In this embodiment, the power supply assembly 7 is preferably a battery module for storing the electrical energy converted by the solar cell assembly 30. Preferably, the power supply assembly 7 is also connected to a new energy vehicle battery pack to ensure a continuous and stable power supply.

[0095] During operation, due to the addition of a semiconductor refrigeration module 2 for cooling, the dual functions of air purification and cold air output are achieved through the combination of the semiconductor refrigeration module 2, fan I3, fan II4 and air pretreatment device 5, and the cold air channel and the hot air channel are isolated from each other in the frame shell 1 to ensure that the cold and hot air are not mixed, effectively improving the cooling effect; and the air pretreatment device 5 can flexibly select the air purification method according to the use environment and user needs, and has a wide range of applications.

[0096] The above embodiments are only preferred implementation methods of the present invention. The present invention cannot list all implementation methods one by one. Any technical solution that adopts one of the above embodiments, or equivalent changes made based on the above embodiments, are within the protection scope of the present invention.

[0097] Based on the disclosure and teachings of the above description, those skilled in the art to which the present invention belongs may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this description, these terms are only for convenience of description and do not constitute any limitation to the present invention. As described in the above embodiments of the present invention, other devices obtained by using the same or similar structures are all within the scope of protection of the present invention.

Claims

1. A semiconductor refrigeration type air purifier, characterized in that: It includes a frame housing, a semiconductor refrigeration module, a fan I, a fan II, an air pre-treatment device, a main control integrated circuit board and a power supply assembly. The semiconductor refrigeration module, fan I, fan II, air pre-treatment device and main control integrated circuit board are arranged on the frame housing and electrically connected to the power supply assembly. The semiconductor refrigeration module includes a semiconductor refrigeration plate, a heat sink and a cooling conductor. The heat sink is in contact with the heating surface of the semiconductor refrigeration plate. The ventilated cavity formed by the heat sink and the inner wall of the frame housing on this side is called a heating cavity. The cooling conductor is in contact with the cooling surface of the semiconductor refrigeration plate. The ventilated cavity formed by the cooling conductor and the inner wall of the frame housing on this side is called a cooling cavity. The fan I is arranged at the side of the cooling body, an air inlet I is arranged on the frame shell at a position corresponding to the fan I, and an air outlet I is arranged on the far frame shell at a side close to the refrigeration chamber and spaced from the fan I and the cooling body relative to the air inlet I; The fan II is arranged at the side of the heating chamber, an air inlet II is arranged on the frame shell at a position corresponding to the fan II, and an air outlet II is arranged on the far frame shell at a side close to the heating chamber and spaced apart from the fan II and the heat sink relative to the air inlet II; The air inlet I, fan I, refrigeration cavity and air outlet I form a continuous cold air passage inside the frame shell; the air inlet II, fan II, heating cavity and air outlet II form a continuous hot air passage inside the frame shell, and the cold air passage and the hot air passage are isolated from each other in the frame shell; The air pretreatment device is arranged on the cold air channel or on the air outlet I.

2. The semiconductor refrigeration type air freshener according to claim 1, characterized in that: The air pretreatment device is one or more combinations of an electrostatic dust collection component, a fragrance PTC heating component, a capillary perfume electric volatilization component, and a negative oxygen ion generator component.

3. The semiconductor refrigeration type air freshener according to claim 1, characterized in that: The air pretreatment device is one or more combinations of a HEPA high efficiency air filter, a paper porous wet curtain, a sponge filter, a filter cloth, and a metal filter.

4. The semiconductor refrigeration type air freshener according to claim 1, characterized in that: The utility model also comprises a humidifying device arranged on the frame shell.

5. The semiconductor refrigeration type air freshener according to claim 4, characterized in that: The humidifying device comprises a cotton water-absorbing water-conducting body and a water-supplying device. One end of the cotton water-absorbing water-conducting body is connected to the water-supplying device, and the other end is connected to the air pre-treatment device.

6. The semiconductor refrigeration type air freshener according to claim 4, characterized in that: The humidifying device includes a water pump, a water pipe, a single-fluid nozzle and a water supply device, the water pump is connected to the water supply device through the water pipe, or the water pump is placed in the water supply device, the water outlet of the water pump is connected to the single-fluid nozzle through the water pipe, and the nozzle of the single-fluid nozzle is arranged toward the hot air channel or toward the cold air channel; or, The humidifying device includes an air pump, an air pipe, a three-way sleeve, a mixed fluid nozzle and a water supply device, a water permeable hole is provided at the bottom of the water supply device, the air pump and the mixed fluid nozzle are connected through the air pipe, the middle position of the air pipe is connected to the three-way sleeve, the third passage of the three-way sleeve is connected to the water permeable hole provided at the bottom of the water supply device, and the nozzle of the mixed fluid nozzle is arranged toward the hot air channel or toward the cold air channel; or, The humidifying device includes an air pump, an air pipe, a water pipe, a two-fluid nozzle and a water supply device, wherein the water supply device is provided with two air holes and one water hole, the air outlet of the air pump is connected to one of the air holes on the water supply device through the air pipe, the other air hole on the water supply device is connected to the air inlet of the two-fluid nozzle through another air pipe, the water inlet of the two-fluid nozzle is connected to the water hole on the water supply device through the water pipe, and the nozzle of the two-fluid nozzle is arranged toward the hot air channel or toward the cold air channel; or, The humidifying device includes a water supply device, an ultrasonic microporous atomizing sheet and an ultrasonic circuit. A water permeable hole is provided at the bottom of the water supply device. The water absorption surface of the ultrasonic microporous atomizing sheet is connected to the water permeable hole of the water supply device. The water spraying surface of the ultrasonic microporous atomizing sheet is arranged toward the hot air channel or toward the cold air channel.

7. The semiconductor refrigeration type air freshener according to claim 6, characterized in that: The water supply device is a water storage chamber provided in the frame shell; or The water supply device is a bottle cap structure provided on the frame housing, with the side of the bottle cap structure containing the internal thread facing outward from the frame housing, and the bottle cap structure can be connected to an external water bottle or water pipe; The water pump, air pump and ultrasonic circuit are electrically connected to the main control integrated circuit board respectively.

8. The semiconductor refrigeration type air freshener according to claim 1, characterized in that: The frame housing is provided with a vehicle mounting kit that can be set on a vehicle window frame, or can be set on a frame of a sunroof, or can be set on a roof rack, or can be set on a fixing part of a new energy vehicle battery; The vehicle-mounted installation kit is a rubber sleeve fixing structure, or a retaining spring structure, or a screw and bolt structure, or a complete vehicle electric sunroof opening and closing mechanism.

9. The semiconductor refrigeration type air freshener according to claim 8, characterized in that: When the air outlet is arranged on the fixing part of the new energy vehicle battery, the air outlet I is arranged toward the battery module, and the air outlet II is arranged toward the rear of the vehicle.

10. The semiconductor refrigeration type air freshener according to claim 8, characterized in that: The fan II is fixed to the frame housing via a rotatable bracket driven by a flip motor, and the flip motor is electrically connected to the main control integrated circuit board or the vehicle's driving control system; When the vehicle speed is less than a preset threshold or the vehicle is stationary, the flip motor drives the bracket that fixes the fan II to rotate forward and makes the fan II vertical. At this time, the fan II starts working and blows air into the heating chamber. When the vehicle speed exceeds a preset threshold, the flip motor drives the bracket that fixes fan II to rotate in the opposite direction and return to its original position, making fan II lie flat. At this time, fan II stops working. or, When the temperature inside the vehicle or the temperature of the new energy vehicle battery pack is higher than a preset threshold, the flip motor drives the bracket that fixes fan II to rotate forward and puts fan II in a vertical state. Fan II starts working and blows air into the heating chamber; When the temperature inside the car or the temperature of the new energy vehicle battery pack is lower than a preset threshold, the flip motor drives the bracket that fixes fan II to rotate in the opposite direction and return to its original position, making fan II lie flat. At this time, fan II stops working and the semiconductor refrigeration module also stops working.

11. The semiconductor refrigeration type air freshener according to claim 8, characterized in that: The fan I is a side-blowing turbofan with air inlets on both sides. The front air inlet faces the interior of the vehicle and can take in air from the interior of the vehicle, while the rear air inlet faces the exterior of the vehicle and can take in air from the exterior of the vehicle. A slide cover driven by a slide motor is provided at the rear air inlet of the fan I. The slide cover can completely cover the rear air inlet. The slide motor is electrically connected to the main control integrated circuit board or to the vehicle's driving control system. When the external circulation circuit is turned on, the sliding cover motor drives the slide rail cover to open, and fan I takes in air from the front air inlet and the back air inlet at the same time; When the internal circulation circuit is turned on, the sliding cover motor drives the slide rail cover to close, and fan I only takes in air from the front air inlet.

12. The semiconductor refrigeration type air freshener according to claim 8, characterized in that: The vehicle installation kit is provided with a ventilation cavity inside and outside the vehicle body, and a fan III electrically connected to the main control integrated circuit board is provided in the ventilation cavity, the air inlet III of the fan III faces outside the vehicle, and the air outlet III is arranged toward the fan I or the refrigeration cavity; The air outlet direction of fan III is equipped with an electric control valve, which can completely close the air outlet III. When the external circulation circuit is turned on, the electric control valve opens and fan III starts working; When the internal circulation circuit is opened, the electric control valve is closed and the fan III stops working; or, A one-way check valve spring is provided in the air outlet direction of fan III, which can completely close the air outlet III; When the external circulation circuit is turned on, fan III starts working and the one-way valve spring is blown open by the positive pressure of the air flow from the direction of air inlet III; When the external circulation circuit is turned on, fan III stops working, and the one-way valve spring is either blown closed by the negative pressure of the airflow from the direction of fan I, or closed by the spring's own rebound force.

13. The semiconductor refrigeration type air freshener according to claim 8, characterized in that: The vehicle installation kit is provided with a ventilation cavity inside and outside the vehicle body, and a fan IV electrically connected to the main control integrated circuit board is provided in the ventilation cavity. The air inlet IV of the fan IV faces inside the vehicle, and the air outlet IV faces outside the vehicle. A sponge filter, a filter cloth, or a metal filter is provided at the position of the air inlet IV or the air outlet IV.

14. The semiconductor refrigeration type air freshener according to claim 1, characterized in that: The frame shell is provided with a cover structure that can be matched with a wall or a window of the box structure, or a detachable structure that can be connected with the handlebars or small table of the baby stroller; The envelope structure may be a rubber sleeve fixing kit, a retaining spring fixing kit, an octopus suction cup fixing kit, a magnetic fixing kit, or a screw and bolt fixing kit; The detachable structure may be a retaining spring structure, a screw and bolt structure, or a mortise and tenon structure.

15. The semiconductor refrigeration type air freshener according to claim 1, characterized in that: A solar cell assembly is arranged on the frame shell, and the solar cell assembly is electrically connected to the main control integrated circuit board.

16. The semiconductor refrigeration type air freshener according to claim 1, characterized in that: The frame shell is provided with an illumination light source and an illumination circuit thereof, and the illumination circuit is electrically connected to the main control integrated circuit board.

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