Hidden car camera circuit cover with ultrasonic dust removal function

Abstract

The present application relates to the technical field of vehicle-mounted cameras, and in particular to a vehicle-mounted camera circuit cover, which is a hidden vehicle-mounted camera circuit cover with an ultrasonic dust removal function, comprising a circuit cover, wherein the side of the circuit cover facing the camera is the inner side, and the side facing outward is the outer side; an opening is arranged on the circuit cover as a camera acquisition port; the camera acquisition port is provided with transparent glass; and an ultrasonic transducer system is also included, wherein the ultrasonic transducer system is provided with an ultrasonic transducer; the ultrasonic transducer is arranged on the circuit cover, and the ultrasonic emission direction of the ultrasonic transducer is from the inner side of the transparent glass toward the transparent glass; the ultrasonic transducer can shatter or knock down dust on the transparent glass, and there is no protruding structure on the circuit cover, thereby reducing the impact that the circuit cover may encounter.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle-mounted cameras, and in particular to a circuit cover plate for a vehicle-mounted camera. Background Art

[0002] A hidden car camera is a camera device installed inside a car to monitor the interior of the vehicle or record the vehicle's driving process. Hidden car cameras are usually designed to be very small and easy to hide in the car, not easy to be found, and can discretely monitor the situation inside the car.

[0003] For hidden vehicle-mounted cameras, due to their concealed location and inconvenience in cleaning, dust may accumulate on the cameras, thereby affecting the image quality and the normal operation of the cameras. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the prior art, the present utility model is proposed.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A hidden vehicle-mounted camera circuit cover with an ultrasonic dust removal function includes a circuit cover, wherein a side of the circuit cover facing the camera is an inner side, and a side facing outward is an outer side;

[0008] The circuit cover is provided with an opening serving as a camera acquisition port;

[0009] The camera collection port is provided with transparent glass;

[0010] It also includes an ultrasonic transducer system, which is provided with an ultrasonic transducer;

[0011] The ultrasonic transducer is arranged on the circuit cover plate, and the ultrasonic wave emission direction of the ultrasonic transducer is from the inner side surface direction of the transparent glass toward the transparent glass.

[0012] The above design, firstly, sets a camera collection port on the cover plate, and sets transparent glass at the camera collection port, so as to protect the hidden vehicle camera. Secondly, an ultrasonic transducer system is set, and the ultrasonic transducer applies ultrasonic waves to the transparent glass. When the ultrasonic vibration propagates in the air, it can generate high-frequency and high-energy sound wave fluctuations. These sound wave fluctuations can exert force on tiny particles (such as dust, fiber, etc.) on the transparent glass, shake or knock down the dust, thereby achieving the dust removal effect. Finally, the ultrasonic transducer emits ultrasonic waves from the inner side of the transparent glass toward the transparent glass. There is no protruding structure on the circuit cover plate, which reduces the impact that the circuit cover plate may encounter, improves the stability of the circuit cover plate, and improves the hiding effect of the vehicle camera.

[0013] Preferably, the video acquisition port is provided with a mounting hole for docking with the camera, and an airtight structure is provided around the mounting hole; the transparent glass is connected to the video acquisition port by a sealing structure; after the camera is installed in the mounting hole, the camera, the video acquisition port and the transparent glass form an airtight space; the ultrasonic transducer is arranged in the airtight space and does not block the camera; the camera, the video acquisition port and the transparent glass form an airtight space, thereby ensuring that the ultrasonic transducer is in the airtight space, so that the entire air in the airtight space generates ultrasonic vibrations, and the vibration energy is greater, so that the dust on the transparent glass can be easily oscillated off.

[0014] Preferably, at least two card slots are arranged on the side wall of the camera acquisition port near the edge of the transparent glass; the transparent glass is connected with elastic card blocks whose number is the same as the card slots and whose positions correspond one to one, and all elastic card blocks are respectively inserted into the card slots corresponding to the elastic card blocks, thereby fixing the transparent glass at the camera acquisition port; by setting the card slots on the camera acquisition port and connecting the elastic card blocks to the elastic glass, it is convenient to connect the elastic glass to the camera acquisition port on the circuit cover.

[0015] Preferably, the transparent glass covers the camera acquisition port; the thickness of the transparent glass is 1-2 mm; the transparent glass is 35-45 mm long and 20-30 mm wide; the transparent glass covering the camera acquisition port is set to be thin enough so that the ultrasonic vibration generated by the ultrasonic transducer in the overall air of the airtight space can shake off the dust on the transparent glass.

[0016] Preferably, a rubber ring is provided on the transparent glass as a sealing structure connected to the camera acquisition port; the rubber ring is provided as the sealing structure of the transparent glass, so that when the transparent glass is clamped in the card slot through the elastic card block, the rubber ring vibrates when the transparent glass. Due to the elasticity of the rubber ring, the sealing of the airtight space is always maintained, so that the effect of ultrasonic vibration of the entire air in the airtight space is better, and dust is prevented from entering.

[0017] Preferably, an ultrasonic transducer mounting hole is provided on the circuit cover; the ultrasonic transducer mounting hole is a hole connecting the inside and outside of the airtight space; the ultrasonic transducer is installed in the mounting hole, with the ultrasonic emitting surface in the airtight space and the other surface facing the outside; providing the mounting hole for installing the ultrasonic transducer facilitates the installation of the ultrasonic transducer and also facilitates maintaining the sealing of the enclosed space after the ultrasonic transducer is installed.

[0018] Preferably, the ultrasonic transducer system also includes a diffuse reflection photoelectric switch, and the control signal output end of the diffuse reflection photoelectric switch controls the connection to the ultrasonic transducer; the sensing direction of the diffuse reflection photoelectric switch is from the inner side of the transparent glass toward the transparent glass; the ultrasonic transducer is arranged in an airtight space surrounded by the camera, the camera acquisition port, and the transparent glass, and does not block the camera; by setting the diffuse reflection photoelectric switch, the diffuse reflection photoelectric switch remains normally closed, and the diffuse reflection photoelectric switch is used to sense whether there is dust on the transparent glass. When dust is on the transparent glass, the diffuse reflection photoelectric switch can automatically turn on the ultrasonic transducer for dust removal, and the fully automated operation saves manpower.

[0019] Preferably, a mounting cavity for a diffuse reflection photoelectric switch is provided on the circuit cover plate, the mounting cavity is connected to the airtight space, the diffuse reflection photoelectric switch is installed in the airtight space, and the sensing surface of the diffuse reflection photoelectric switch faces the transparent glass in the airtight space; the measurement range of the diffuse reflection photoelectric switch is 3-5 cm; the diffuse reflection photoelectric switch is installed through the mounting cavity, which is convenient for maintaining the sealing of the enclosed space after the diffuse reflection photoelectric switch is installed, and maintaining the vibration effect of ultrasonic vibration of the entire air in the airtight space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 A schematic diagram of the exploded structure of the rear side parts of the circuit cover of a hidden vehicle-mounted camera circuit cover with an ultrasonic dust removal function according to an embodiment of the utility model;

[0022] Figure 2 A schematic diagram of the front side structure of a hidden vehicle camera circuit cover with an ultrasonic dust removal function according to an embodiment of the utility model;

[0023] Figure 3A schematic cross-sectional structure diagram of a circuit cover plate and transparent glass of a hidden vehicle-mounted camera circuit cover plate with an ultrasonic dust removal function according to an embodiment of the utility model;

[0024] Figure 4 A hidden vehicle camera circuit cover with an ultrasonic dust removal function according to an embodiment of the utility model Figure 3 A is an enlarged schematic diagram of the structure. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Secondly, the "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that can be included in at least one implementation of the utility model. The "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1

[0030] Reference Figure 1 to Figure 3 This embodiment provides a hidden vehicle camera circuit cover with an ultrasonic dust removal function, including a circuit cover 1, wherein the side of the circuit cover 1 facing the camera 2 is the inner side, and the side facing outward is the outer side.

[0031] The circuit cover 1 is provided with an opening as a camera acquisition port 11; the camera acquisition port 11 is provided with a transparent glass 3; it also includes an ultrasonic transducer system, and the ultrasonic transducer system is provided with an ultrasonic transducer 4; the ultrasonic transducer 4 is provided on the circuit cover 1, and the ultrasonic emission direction of the ultrasonic transducer 4 is from the inner side of the transparent glass 3 toward the transparent glass 3; by providing the camera acquisition port 11 on the cover, and providing the transparent glass 3 at the camera acquisition port 11, the hidden vehicle camera 2 can be protected, and secondly, an ultrasonic transducer system is provided, and the ultrasonic transducer The ultrasonic transducer 4 applies ultrasonic waves to the transparent glass 3. When the ultrasonic vibration propagates in the air, it can generate high-frequency and high-energy sound wave fluctuations. These sound wave fluctuations can exert force on tiny particles (such as dust, dirt, etc.) on the transparent glass 3, and shake or knock down the dust, thereby achieving the effect of dust removal. Finally, the ultrasonic transducer 4 emits ultrasonic waves from the inner side of the transparent glass 3 toward the transparent glass 3. There is no protruding structure on the circuit cover 1, which reduces the impact that the circuit cover 1 may encounter, improves the stability of the circuit cover 1, and improves the hiding effect of the vehicle-mounted camera 2.

[0032] The video acquisition port 11 is provided with a mounting hole for docking with the camera 2, and an airtight structure is provided around the mounting hole; the transparent glass 3 is connected to the video acquisition port 11 with a sealing structure; after the camera 2 is installed in the mounting hole, the camera 2, the video acquisition port 11, and the transparent glass 3 form an airtight space; the ultrasonic transducer 4 is arranged in the airtight space and does not block the camera 2; the camera 2, the video acquisition port 11, and the transparent glass 3 form an airtight space, thereby ensuring that the ultrasonic transducer 4 is in the airtight space, so that the entire air in the airtight space generates ultrasonic vibrations, and the vibration energy is greater, so that the dust on the transparent glass 3 is easily oscillated off.

[0033] The transparent glass 3 covers the camera acquisition port 11; the thickness of the transparent glass 3 is 1-2 mm; the transparent glass 3 is 35-45 mm long and 20-30 mm wide; the transparent glass 3 covering the camera acquisition port 11 is set to be thin enough so that the ultrasonic vibration generated by the ultrasonic transducer 4 in the overall air of the airtight space can shake off the dust on the transparent glass 3.

[0034] An ultrasonic transducer 4 mounting hole is provided on the circuit cover 1; the ultrasonic transducer 4 mounting hole is a hole connecting the inside and outside of the airtight space; the ultrasonic transducer 4 is installed in the mounting hole, with the ultrasonic emitting surface in the airtight space and the other surface facing the outside; the mounting hole for installing the ultrasonic transducer 4 is provided to facilitate the installation of the ultrasonic transducer 4 and to continue to maintain the sealing of the enclosed space after the ultrasonic transducer 4 is installed.

[0035] During use, when dust falls on the transparent glass 3, the ultrasonic transducer 4 is activated through the ultrasonic transducer system to emit ultrasonic waves to the transparent glass 3. The ultrasonic transducer 4 is in the airtight space surrounded by the camera 2, the video acquisition port 11, and the transparent glass 3. The entire air in the airtight space generates ultrasonic vibrations. The transparent glass 3 covering the video acquisition port 11 is set to be thin enough so that the ultrasonic vibrations generated by the ultrasonic transducer 4 in the entire air in the airtight space can shake off the dust on the transparent glass 3. The ultrasonic transducer 4 emits ultrasonic waves from the inner side surface of the transparent glass 3 toward the transparent glass 3. There is no protruding structure on the circuit cover 1, which reduces the impact that the circuit cover 1 may encounter, improves the stability of the circuit cover 1, and improves the hiding effect of the vehicle-mounted camera 2.

[0036] Example 2

[0037] Reference Figure 1-Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0038] At least two card slots are arranged on the side wall of the video acquisition port 11 near the edge of the transparent glass 3; the transparent glass 3 is connected with elastic card blocks 32 whose number is the same and whose positions correspond to the card slots, and all elastic card blocks 32 are respectively inserted into the card slots corresponding to the elastic card blocks 32, thereby fixing the transparent glass 3 at the video acquisition port 11; by setting the card slots on the video acquisition port 11 and connecting the elastic card blocks 32 to the elastic glass, it is convenient for the elastic glass to be connected to the video acquisition port 11 on the circuit cover 1.

[0039] A rubber ring 31 is provided on the transparent glass 3 as a sealing structure connected to the camera acquisition port 11; the rubber ring 31 is provided as the sealing structure of the transparent glass 3, so that when the transparent glass 3 is stuck in the card slot through the elastic card block 32, when the rubber ring 31 vibrates around the transparent glass 3, the elasticity of the rubber ring 31 always maintains the sealing of the airtight space, so that the overall air in the airtight space can generate ultrasonic vibrations better and dust can be prevented from entering.

[0040] The ultrasonic transducer system also includes a diffuse reflection photoelectric switch 5, and the control signal output end of the diffuse reflection photoelectric switch 5 controls the connection to the ultrasonic transducer 4; the sensing direction of the diffuse reflection photoelectric switch 5 is from the inner side of the transparent glass 3 toward the transparent glass 3; the ultrasonic transducer 4 is arranged in an airtight space surrounded by the camera 2, the camera acquisition port 11, and the transparent glass 3, and does not block the camera 2; by setting the diffuse reflection photoelectric switch 5, the diffuse reflection photoelectric switch 5 remains normally closed, and the diffuse reflection photoelectric switch 5 is used to sense whether there is dust on the transparent glass 3. When the transparent glass 3 is stained with dust, the diffuse reflection photoelectric switch 5 can automatically turn on the ultrasonic transducer 4 for dust removal, and the fully automated operation saves manpower. The model of the diffuse reflection photoelectric switch is E3Z-D61.

[0041] A mounting cavity for a diffuse reflection photoelectric switch 5 is provided on the circuit cover 1, and the mounting cavity is connected to the airtight space. The diffuse reflection photoelectric switch 5 is installed in the airtight space, and the sensing surface of the diffuse reflection photoelectric switch 5 faces the transparent glass 3 in the airtight space; the diffuse reflection photoelectric switch 5 has a measuring range of 3-5 cm; the diffuse reflection photoelectric switch 5 is installed through the mounting cavity, which is convenient for maintaining the sealing of the enclosed space after the diffuse reflection photoelectric switch 5 is installed, and maintaining the vibration effect of ultrasonic vibration generated by the entire air in the airtight space.

[0042] When in use, after the circuit cover 1 of the hidden vehicle camera 2 is installed, the diffuse reflection photoelectric switch 5 is used to sense whether there is dust on the transparent glass 3, and the photoelectric switch remains normally closed. When dust accumulates on the transparent glass 3, the photoelectric switch is triggered to turn on the ultrasonic transducer 4, and the ultrasonic transducer 4 can emit ultrasonic waves on the transparent glass 3. The dust on the transparent glass 3 will be shaken or knocked off when subjected to the force of the ultrasonic waves. The elastic card block 32 of the transparent glass 3 is installed on the card slot of the camera acquisition port 11, and the transparent glass 3 is installed. During installation, the rubber ring 31 on the transparent glass 3 is compressed and deformed to maintain the sealing of the airtight space. When the rubber ring 31 oscillates on the transparent glass 3, the elasticity of the rubber ring 31 always maintains the sealing of the airtight space. The photoelectric switch is triggered to close the ultrasonic transducer 4. No manual operation is required, and the dust on the transparent glass 3 at the camera acquisition port 11 on the circuit cover 1 of the hidden vehicle camera 2 is automatically cleaned.

[0043] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible, for example, the size, scale, structure, shape and proportion of various elements, and parameter values ​​such as temperature, pressure, etc., mounting arrangements, use of materials, color, directional changes, etc., without substantially departing from the novel angles and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of the execution function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present utility model, other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to several modifications still falling within the scope of the appended claims.

[0044] Additionally, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiments may not be described, ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention.

[0045] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A circuit cover plate for a hidden vehicle camera provided with an ultrasonic dust removal function, comprising a circuit cover plate, wherein the side of the circuit cover plate facing the camera is the inner side surface, and the side facing outward is the outer side surface, and the characteristics are: The circuit cover is provided with an opening serving as a camera acquisition port; The camera collection port is provided with transparent glass; It also includes an ultrasonic transducer system, which is provided with an ultrasonic transducer; The ultrasonic transducer is arranged on the circuit cover plate, and the ultrasonic wave emission direction of the ultrasonic transducer is from the inner side surface direction of the transparent glass toward the transparent glass.

2. The hidden vehicle camera circuit cover with ultrasonic dust removal function according to claim 1, characterized in that: The camera acquisition port is provided with a mounting hole for docking with the camera, and an airtight structure is provided around the mounting hole; The transparent glass is connected to the camera acquisition port with a sealed structure; After the camera is installed in the installation hole, the camera, the video acquisition port, and the transparent glass form an airtight space; The ultrasonic transducer is arranged in an airtight space and does not block the camera.

3. The hidden vehicle camera circuit cover with ultrasonic dust removal function according to claim 2, characterized in that: At least two card slots are arranged on the side wall of the camera collection port near the edge of the transparent glass; The transparent glass is connected with elastic card blocks whose number is the same as the card slots and whose positions correspond one to one. All elastic card blocks are respectively inserted into the card slots corresponding to the elastic card blocks, thereby fixing the transparent glass at the camera collection port.

4. The hidden vehicle camera circuit cover with ultrasonic dust removal function according to claim 3, characterized in that: The transparent glass covers the camera acquisition port; The thickness of the transparent glass is 1-2 mm; The transparent glass is 35-45 mm long and 20-30 mm wide.

5. The hidden vehicle camera circuit cover with ultrasonic dust removal function according to claim 4, characterized in that: A rubber ring is arranged on the transparent glass as a sealing structure connected to the camera acquisition port.

6. The hidden vehicle camera circuit cover with ultrasonic dust removal function according to claim 2, characterized in that: An ultrasonic transducer mounting hole is arranged on the circuit cover; The ultrasonic transducer installation hole is a hole connecting the inside and outside of the airtight space; The ultrasonic transducer is installed in the installation hole, with the ultrasonic emitting surface in the airtight space and the other surface facing the outside.

7. The hidden vehicle camera circuit cover with ultrasonic dust removal function according to claim 2, characterized in that: The ultrasonic transducer system also includes a diffuse reflection photoelectric switch, and the control signal output end of the diffuse reflection photoelectric switch is controlled to be connected to the ultrasonic transducer. The sensing direction of the diffuse reflection photoelectric switch is from the inner side of the transparent glass toward the transparent glass; The ultrasonic transducer is arranged in an airtight space surrounded by a camera, a video collection port and transparent glass without blocking the camera.

8. The hidden vehicle camera circuit cover with ultrasonic dust removal function according to claim 7, characterized in that: The circuit cover is provided with a mounting cavity for a diffuse reflection photoelectric switch, the mounting cavity is connected to the airtight space, the diffuse reflection photoelectric switch is mounted in the airtight space, and the sensing surface of the diffuse reflection photoelectric switch faces the transparent glass in the airtight space; The diffuse reflection photoelectric switch has a measuring range of 3-5 cm.

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