Evaporator filter screen with self-cleaning function

By designing a filter with a self-cleaning function in the automotive air conditioner evaporator, and using a micro motor to drive the brush plate for automatic brush cleaning, the problem of reducing the filtering effect caused by dust accumulation is solved and the service life of the evaporator is extended.

CN222352597UActive Publication Date: 2025-01-14CHONGQING FUHAN AUTOMOBILE FILTER CO LTD
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Patent Information

Application Number
CN202323588101.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-27
Publication Date
2025-01-14
Estimated Expiration
2033-12-27

AI Technical Summary

Technical Problem

Existing automotive air conditioning evaporators are easily blocked due to the accumulation of external dust and other debris during long-term use, resulting in a reduction in filtration effect and lack of automatic cleaning function.

Method used

An evaporator filter with self-cleaning function was designed, including a positioning frame, a limit frame, a micro motor and a brush plate. By controlling the micro motor to drive the circumference of the brush plate, automatic brushing of the filter surface is achieved. Clean and avoid dust accumulation.

Benefits of technology

It effectively avoids the accumulation of dust and other debris on the surface of the filter mesh, maintains the filtration effect, and extends the service life of the evaporator.

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Abstract

The utility model relates to the technical field of automobile air conditioner evaporators, in particular to an evaporator filter screen with a self-cleaning function. Comprising a filter screen main body and an auxiliary device, the auxiliary device comprises a positioning frame, a limiting frame, a micro motor and a brush plate, the filter screen main body is mounted on internal mounting tables of an air inlet pipe and an air outlet pipe through the positioning frame during use, then filtering treatment can be carried out during working, and meanwhile, in the use process, a control system can control the micro motor to act at regular time, so that the filter screen main body is convenient to use. And the brush plate is driven to rotate circumferentially, so that the surface of the filter screen main body can be brushed, and dust or sundries can be brushed and removed, and therefore, in the use process, the surface of the filter screen main body can be automatically cleaned, dust and other sundries are prevented from being accumulated on the surface of the filter screen main body, and the filtering effect is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile air-conditioning evaporators, in particular to an evaporator filter with a self-cleaning function. Background Art

[0002] The automobile air conditioning system is one of the important systems for the normal use of the automobile. It realizes cooling, heating, ventilation and air purification in the car. The air conditioning evaporator is an important part of the automobile air conditioning structure. The existing automobile air conditioning evaporator will be blocked during long-term use due to the influence of external dust and other debris, which will cause the evaporator to be blocked, thereby affecting its use.

[0003] Prior art CN212673569U discloses an anti-blocking automobile air-conditioning evaporator, comprising a shell, an evaporation tube is arranged inside the shell, one end of the evaporation tube is connected to an air inlet pipe, the end of the evaporation tube away from the air inlet pipe is connected to an air outlet pipe, fins are arranged on the outside of the evaporation tube, a first filter screen and a second filter screen are fixedly connected inside the air inlet pipe and the air outlet pipe, a first connecting block is fixedly connected at one end of the air inlet pipe away from the evaporation pipe, and a second connecting block is fixedly connected at one end of the air outlet pipe away from the evaporation pipe. The utility model solves the problem of the existing automobile air-conditioning evaporator being blocked during long-term use due to the influence of external dust and other debris, thereby affecting the user's use through the coordinated use of the first filter screen and the second filter screen.

[0004] However, when the above-mentioned anti-blocking automobile air-conditioning evaporator is in use, although the cooperation of the first filter and the second filter solves the problem that the existing automobile air-conditioning evaporator may be blocked due to the influence of external dust and other debris during long-term use, thereby affecting the user's use, the first filter and the second filter do not have an automatic cleaning function, which may easily cause dust and other debris to accumulate on the surface of the filter after a long period of use, greatly reducing the filtering effect. Utility Model Content

[0005] The utility model aims to provide an evaporator filter with a self-cleaning function, which can automatically clean the surface of the filter body during use, avoid dust and other debris from accumulating on the surface of the filter body, and help ensure the filtering effect.

[0006] To achieve the above-mentioned purpose, the utility model provides an evaporator filter with a self-cleaning function, comprising a filter body and an auxiliary device;

[0007] The auxiliary device includes a positioning frame, a limiting frame, a micro motor and a brush plate. The positioning frame has a wire hole, which passes through the positioning frame and is located on one side of the positioning frame. The positioning frame is located on one side of the filter body. The limiting frame is detachably connected to the positioning frame and is detachably connected to the filter body and is located in the positioning frame. The micro motor is fixedly connected to the limiting frame and is located on the limiting frame. The brush plate is fixedly connected to the output shaft of the micro motor and is located on the side of the micro motor close to the filter body.

[0008] Wherein, the positioning frame further has a mounting portion, and the mounting portion is located at one side of the positioning frame.

[0009] Wherein, the auxiliary device also includes a shield, which is fixedly connected to the limiting frame and is located outside the micro motor.

[0010] Wherein, the limiting frame has a wire passing groove, and the wire passing groove is located on the limiting frame.

[0011] Wherein, the auxiliary device also includes a connecting block and a gas sensor, wherein the connecting block is fixedly connected to the positioning frame and is located on one side of the positioning frame; the gas sensor is fixedly connected to the connecting block and is located on the connecting block.

[0012] The utility model discloses an evaporator filter with a self-cleaning function, wherein a positioning frame is used to install the filter body, a limiting frame is installed in the positioning frame, the filter body is installed on one side of the limiting frame, a micro motor is installed on the limiting frame, and a brush plate is installed on an output shaft of the micro motor. When in use, the filter body is installed on an internal mounting platform of an air inlet pipe and an air outlet pipe through the positioning frame, and then filtering can be performed during operation. At the same time, during use, a control system can control the micro motor to operate at a fixed time, drive the brush plate to rotate in a circle, and then brush the surface of the filter body to remove dust or debris. Therefore, during use, the surface of the filter body can be automatically cleaned to avoid accumulation of dust and other debris on the surface of the filter body, which is beneficial to ensuring the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a schematic diagram of the overall structure of the evaporator filter with self-cleaning function according to the first embodiment of the utility model.

[0015] Figure 2 It is a structural schematic diagram of a wire duct according to the first embodiment of the utility model.

[0016] Figure 3 It is a schematic diagram of the overall structure of the evaporator filter with self-cleaning function according to the second embodiment of the utility model.

[0017] In the figure: 101-filter body, 102-positioning frame, 103-limiting frame, 104-micro motor, 105-brush plate, 106-wire hole, 107-installation part, 108-protective cover, 109-wire slot, 201-connecting block, 202-gas sensor. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] Embodiment 1:

[0020] like Figure 1 and Figure 2 As shown, Figure 1 This is a schematic diagram of the overall structure of the evaporator filter with self-cleaning function. Figure 2 It is a structural diagram of the wire groove. The utility model provides an evaporator filter with a self-cleaning function: it includes a filter body 101 and an auxiliary device, and the auxiliary device includes a positioning frame 102, a limit frame 103, a micro motor 104, a brush plate 105 and a shield 108. Through the above scheme, it can be achieved that during use, the surface of the filter body 101 can be automatically cleaned to avoid dust and other debris from accumulating on the surface of the filter body 101, which is conducive to ensuring the filtering effect. It can be understood that the above scheme can achieve the automatic cleaning of the surface of the filter body 101, avoid dust and other debris from accumulating on the surface of the filter body 101, which is conducive to ensuring the filtering effect.

[0021] In this embodiment, the filter body 101 is a fan-shaped structure and is installed by bolts at an interval of 120°.

[0022] The positioning frame 102 has a wire hole 106, which passes through the positioning frame 102 and is located on one side of the positioning frame 102. The positioning frame 102 is located on one side of the filter body 101. The limiting frame 103 is detachably connected to the positioning frame 102 and is detachably connected to the filter body 101 and is located in the positioning frame 102. The micro motor 104 is fixedly connected to the limiting frame 103 and is located on the limiting frame 103. The brush plate 105 is fixedly connected to the output shaft of the micro motor 104 and is located near the micro motor 104 near the filter body 101. On one side, the positioning frame 102 is provided with the wire hole 106 to facilitate the insertion of the cable of the micro motor 104. At the same time, a rubber sealing ring is provided at the contact gap between the cable and the wire hole 106 for sealing. The limit frame 103 is installed on the positioning frame 102 by bolts, the filter body 101 is installed on the limit frame 103 by precision screws, the micro motor 104 is installed on the limit frame 103 by bolts, and the brush plate 105 is installed on the output shaft of the micro motor 104 by a flat key and a locking bolt. Elastic bristles are provided on the contact surface between the brush plate 105 and the filter body 101.

[0023] Secondly, the positioning frame 102 also has an installation portion 107, which is located on one side of the positioning frame 102. The installation portion 107 is provided with an installation hole for easy installation by bolts. The positioning frame 102 will be installed on the connecting platform in the installation cavity of the air inlet duct and the air outlet duct through the installation portion 107.

[0024] Then, the shield 108 is fixedly connected to the limiting frame 103 and is located outside the micro motor 104. The shield 108 is connected to the limiting frame 103 by bolts. After installation, the micro motor 104 is covered inside for protection.

[0025] Finally, the limiting frame 103 has a wire groove 109 , and the wire groove 109 is located on the limiting frame 103 . The wire groove 109 facilitates the cables of the micro motor 104 to be arranged on the limiting frame 103 through wire clips.

[0026] During use, the present invention can realize that the surface of the filter body 101 can be automatically cleaned to prevent dust and other debris from accumulating on the surface of the filter body 101, which is beneficial to ensuring the filtering effect. When in use, the filter body 101 is installed on the internal mounting platform of the air inlet duct and the air outlet duct through the mounting portion 107 on the positioning frame 102, and then, filtering can be performed during operation. At the same time, during use, the control system can control the micro motor 104 to operate at a fixed time, driving the brush plate 105 to rotate in a circle, so as to brush the surface of the filter body 101 to remove dust or debris, thereby realizing that during use, the surface of the filter body 101 can be automatically cleaned to prevent dust and other debris from accumulating on the surface of the filter body 101, which is beneficial to ensuring the filtering effect.

[0027] Embodiment 2:

[0028] like Figure 3 As shown, Figure 3 It is a schematic diagram of the overall structure of an evaporator filter with a self-cleaning function. On the basis of the first embodiment, the utility model provides an evaporator filter with a self-cleaning function. The auxiliary device also includes a connecting block 201 and a gas sensor 202.

[0029] Among them, the connecting block 201 is fixedly connected to the positioning frame 102 and is located on one side of the positioning frame 102, the gas sensor 202 is fixedly connected to the connecting block 201 and is located on the connecting block 201, the connecting block 201 is connected to the positioning frame 102 by bolts, and is arranged in a ring shape at 120° to each other, and the gas sensor 202 is fixed to the connecting block 201 by bolts.

[0030] In this embodiment, by providing the gas sensor 202 for use in conjunction with a control system, the odor of the gas passing through the filter body 101 can be monitored, and then pathogen identification can be achieved, which is more conducive to safe use.

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An evaporator filter with a self-cleaning function, comprising a filter body, characterized in that: Also includes auxiliary devices; The auxiliary device includes a positioning frame, a limiting frame, a micro motor and a brush plate. The positioning frame has a wire hole, which passes through the positioning frame and is located on one side of the positioning frame. The positioning frame is located on one side of the filter body. The limiting frame is detachably connected to the positioning frame and is detachably connected to the filter body and is located in the positioning frame. The micro motor is fixedly connected to the limiting frame and is located on the limiting frame. The brush plate is fixedly connected to the output shaft of the micro motor and is located on the side of the micro motor close to the filter body.

2. The evaporator filter with self-cleaning function according to claim 1, characterized in that: The positioning frame also has a mounting portion, and the mounting portion is located at one side of the positioning frame.

3. The evaporator filter with self-cleaning function according to claim 1, characterized in that: The auxiliary device also includes a shield, which is fixedly connected to the limiting frame and is located outside the micro motor.

4. The evaporator filter with self-cleaning function according to claim 1, characterized in that: The limiting frame has a wire passing groove, and the wire passing groove is located on the limiting frame.

5. The evaporator filter with self-cleaning function according to claim 1, characterized in that: The auxiliary device also includes a connection block and a gas sensor. The connection block is fixedly connected to the positioning frame and is located on one side of the positioning frame; the gas sensor is fixedly connected to the connection block and is located on the connection block.

Citation Information

Patent Citations

  • Anti-blocking automobile air conditioner evaporator

    CN212673569U