A lens module and a camera

Abstract

The utility model relates to camera technical field discloses a lens module and camera, wherein, the lens module includes: the lens has cylindrical connecting portion and first abutment portion, and one end of cylindrical connecting portion is connected with first abut part, the lens seat has cylindrical connecting portion and second abutment portion, and one end of cylindrical connecting portion is connected with second abutment portion, the cylindrical connecting portion of lens is inserted in the cylindrical connecting portion of lens seat, the sealing ring has cylindrical body, and cylindrical body is sleeved in cylindrical connecting portion outside, and one end of sealing ring is sealed with first abutment portion, and the other end is sealed with second abutment portion, the utility model technical scheme, the sealing ring is sleeved in cylindrical connecting portion outside, and one end of sealing ring is sealed with second abutment portion, and cylindrical connecting portion is connected with cylindrical connecting portion thread, and cylindrical connecting portion enters into cylindrical connecting portion, and the other end of sealing ring is sealed with first abutment portion. Use this device, and the lens and lens seat form sealed whole, and the heat transfer is blocked to lens.

Description

Technical Field

[0001] This utility model relates to the field of camera technology, specifically to a lens module and a camera. Background Technology

[0002] When a camera operates in low-temperature environments, fogging is very likely to occur inside the outermost lens. Specifically, during camera operation, the internal chip generates heat, which is conducted to the outermost lens, creating a significant temperature difference between the inner and outer sides of the lens, making the inner side of the lens prone to fogging.

[0003] Faced with this situation, due to the extremely limited internal space of the camera, it is difficult to install defogging equipment such as fans and heating films, making it quite challenging to achieve defogging in a sealed environment. Utility Model Content

[0004] In view of this, the present invention provides a lens module and a camera to solve the problem of fogging inside the outermost lens of the camera.

[0005] This utility model provides a lens module, including: The lens has a cylindrical connecting part and a first abutting part, one end of the cylindrical connecting part being connected to the first abutting part; The lens mount has a cylindrical connecting part and a second abutting part, one end of the cylindrical connecting part is connected to the second abutting part; the cylindrical connecting part of the lens is inserted and connected to the cylindrical connecting part of the lens mount; A sealing ring has a cylindrical body, which is sleeved outside the cylindrical connecting part. One end of the sealing ring abuts and seals with the first abutting part, and the other end abuts and seals with the second abutting part.

[0006] This invention involves first fitting a sealing ring around the cylindrical connecting part, with one end of the sealing ring abutting against the second abutting part for sealing. Then, a cylindrical connecting part is threaded into the cylindrical connecting part, allowing the cylindrical connecting part to enter the cylindrical connecting part, so that the other end of the sealing ring abuts against the first abutting part for sealing. Using this device, the lens and lens mount form a sealed unit, preventing heat transfer to the lens.

[0007] Optionally, the outer periphery of the cylindrical body of the sealing ring is provided with an annular flange.

[0008] In the above scheme, the annular flange is used to connect with the outer device to improve the sealing performance.

[0009] Optionally, it further includes: a housing and a lens mount, wherein the lens and the lens mount are mounted within the housing, and the lens mount has a cylindrical cavity, one end of which extends into the housing and seals against the annular flange of the sealing ring.

[0010] In the above solution, the outer shell is used to protect the lens and lens mount, the lens mount is used to protect the lens, the annular flange of the sealing ring is sealed and abutted against one end of the cylindrical cavity, resulting in a better sealing effect, and a front cavity is formed inside the outer shell, which prevents heat from entering.

[0011] Optionally, a lens is mounted at the other end of the cylindrical cavity of the lens holder.

[0012] In the above solution, the lens is for protecting the lens. During use, the temperature difference between the lens and the lens is not large, and fogging will not occur on the lens.

[0013] Optionally, the side of the lens mount facing away from the lens has a sealed cavity.

[0014] In the above scheme, the sealed cavity produces a displacement avoidance effect.

[0015] Optionally, it further includes: a circuit board having a power unit, the side of the lens mount facing away from the lens being connected to the circuit board, and the power unit being located within a sealed cavity of the circuit board.

[0016] In the above scheme, the power unit generates heat when it is working, and the heat is transferred to the front cavity. The sealing ring blocks the heat transfer. The power unit is set in the sealed cavity, so that the power unit can work normally and will not be damaged by compression.

[0017] Optionally, a seal is provided around the power unit within the sealed cavity.

[0018] In the above solution, the seal prevents dust and other particles from falling onto the power unit, thus playing a role in dust and ash prevention.

[0019] Optionally, it further includes: a housing having a detachably connected front shell and a rear cover, the lens and lens mount being installed inside the front shell, and the rear cover having a vent hole with a waterproof and breathable membrane disposed thereon.

[0020] In the above solution, the waterproof and breathable membrane is a one-way breathable membrane, which can transfer internal heat out while preventing external moisture from entering, and has high breathability and moisture resistance.

[0021] Optionally, a sealing element is provided at the mating surface of the front shell and the rear cover, and a groove is provided on the rear cover for accommodating the sealing element, with a portion of the front shell inserted into the groove.

[0022] In the above solution, the seals tightly connect the front shell and the rear cover to prevent internal air leakage, temperature differences, and moisture generation on the circuit board.

[0023] This utility model also provides a camera, including: the lens module described in any of the above solutions.

[0024] This invention uses a sealing ring to seal the lens and lens mount, bolts to connect the lens mount to the circuit board, and the sealing ring to seal against the front housing. Finally, the lens mount and rear cover are installed. Using this device, the heat generated by the circuit board is trapped between the circuit board and the rear cover, preventing it from being transferred to the front cavity. The lens temperature remains unchanged, and the internal and external temperatures of the lens mount are essentially the same, effectively preventing fogging inside the outermost lens. Attached Figure Description

[0025] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This is a perspective view of a lens module according to an embodiment of the present utility model; Figure 2 This is an exploded view of a lens module according to an embodiment of the present utility model; Figure 3 This is an exploded view of another lens module according to an embodiment of the present utility model; Figure 4 This is a perspective view of a camera according to an embodiment of the present utility model; Figure 5 This is an exploded view of a camera according to an embodiment of the present utility model; Figure 6 This is a cross-sectional view of a camera according to an embodiment of the present utility model.

[0027] Explanation of reference numerals in the attached figures: 1. Lens; 2. Cylindrical connecting part; 3. First abutting part; 4. Lens mount; 5. Tubular connecting part; 6. Second abutting part; 7. Sealing ring; 8. Annular flange; 9. Housing; 10. Lens mount; 11. Tubular cavity; 12. Lens; 13. Sealing cavity; 14. Circuit board; 15. Power unit; 16. Front shell; 17. Rear cover; 18. Vent hole; 19. Waterproof and breathable membrane. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] like Figure 1 As shown, this is a specific implementation of the lens module provided in this embodiment, including: lens 1, lens mount 4 and sealing ring 7.

[0030] like Figure 1 , 2 As shown, the lens 1 has a cylindrical connecting part 2 and a first abutting part 3, one end of the cylindrical connecting part 2 being connected to the first abutting part 3; like Figure 1 , 2 As shown, the lens mount 4 has a cylindrical connecting part 5 and a second abutting part 6, one end of the cylindrical connecting part 5 is connected to the second abutting part 6; the cylindrical connecting part 2 of the lens 1 is inserted and connected to the cylindrical connecting part 5 of the lens mount 4; like Figure 1 , 2 As shown, the sealing ring 7 has a cylindrical body, which is sleeved on the cylindrical connecting part 5. One end of the sealing ring 7 abuts and seals with the first abutting part 3, and the other end abuts and seals with the second abutting part 6.

[0031] It should be noted that in this embodiment, the first abutting part 3 is annular, and the second abutting part 6 is a rectangular platform.

[0032] In this embodiment, the sealing ring 7 is first fitted over the cylindrical connecting part 5, so that one end of the sealing ring 7 abuts against the second abutting part 6 for sealing. Then, the cylindrical connecting part 2 is threaded into the cylindrical connecting part 5, so that the other end of the sealing ring 7 abuts against the first abutting part 3 for sealing. Using this device, the lens 1 and the lens mount 4 form a sealed whole, preventing heat transfer to the lens 1.

[0033] like Figure 2 As shown, the outer periphery of the cylindrical body of the sealing ring 7 is provided with an annular flange 8. This arrangement allows the annular flange 8 to connect with an external device, resulting in better sealing.

[0034] Of course, the above description is not limiting, and in some alternative embodiments, the annular flange 8 may be omitted.

[0035] like Figure 4 , 5As shown, in some embodiments, it further includes: a housing 9 and a lens mount 10, wherein the lens 1 and the lens mount 4 are mounted inside the housing 9, and the lens mount 10 has a cylindrical cavity 11, one end of which extends into the housing 9 and seals against the annular flange 8 of the sealing ring 7. Specifically, the annular flange 8 of the sealing ring 7 seals against one end of the cylindrical cavity 11, forming a front cavity inside the housing 9. With this configuration, the housing 9 protects the lens 1 and the lens mount 4, and the lens mount 10 protects the lens 1, resulting in a better sealing effect and preventing heat from entering the front cavity.

[0036] Of course, the above description is not limiting. In some alternative embodiments, the housing 9 and lens mount 10 may be omitted, and only the combination of lens 1 and lens mount 4 may be manufactured.

[0037] like Figure 5 As shown, a lens 12 is installed at the other end of the cylindrical cavity 11 of the lens mount 10. This arrangement is to protect the lens 1. During use, the temperature difference between the lens 12 and the lens 1 is not significant, and fogging will not occur on the lens 12.

[0038] Of course, the above description is not limiting. In some alternative embodiments, the lens 12 may be attached to other locations, such as snapped onto the housing 9.

[0039] like Figure 2 As shown, the lens mount 4 has a sealing cavity 13 on the side facing away from the lens 1. This arrangement provides a clearance effect for the sealing cavity 13.

[0040] Of course, the above description is not limiting, and in some alternative embodiments, the sealing cavity 13 may be omitted.

[0041] like Figure 3 , 6 As shown, it also includes: a circuit board 14, on which a power unit 15 is mounted. The side of the lens mount 4 facing away from the lens 1 is connected to the circuit board 14, and the power unit 15 is located within the sealed cavity 13 of the circuit board 14. Specifically, the power unit 15 generates heat when it is working, and the heat is transferred to the front cavity. The sealing ring 7 blocks the heat transfer. The power unit 15 is positioned within the sealed cavity 13. This arrangement ensures that the power unit 15 operates normally and will not be damaged by compression.

[0042] Of course, the above description is not limiting. In some alternative embodiments, the circuit board 14 may be omitted, and only the combination of lens 12, lens mount 10, lens 1, and lens mount 4 may be manufactured separately. Alternatively, in some embodiments, the combination of circuit board 14, lens 1, and lens mount 4 may also be manufactured separately.

[0043] like Figure 3 As shown, a sealing element is provided around the power unit 15 within the sealed cavity 13. Specifically, this sealing element is a first sealing element, which is hollow and square, and is embedded within the sealed cavity 13. This arrangement prevents dust and other particles from falling onto the power unit 15, thus serving a dustproof and ash-proof function.

[0044] Of course, the above description is not limiting, and in some alternative embodiments, the first seal may be omitted.

[0045] like Figure 4 , 5 As shown in Figure 6, it also includes: a housing 9, which has a detachably connected front housing 16 and a rear cover 17. The lens 1 and lens mount 4 are installed inside the front housing 16. The rear cover 17 is provided with a vent 18, and a waterproof and breathable membrane 19 is provided on the vent 18. Specifically, the waterproof and breathable membrane 19 is a one-way breathable membrane. This design allows internal heat to be transferred out while preventing external moisture from entering, providing high breathability and moisture resistance.

[0046] Of course, the above description is not limiting. In some alternative embodiments, the housing 9 may be omitted, and only the combination of lens 12, lens mount 10, lens 1, lens mount 4 and circuit board 14 may be manufactured separately.

[0047] like Figure 5 As shown, a sealing element is provided at the mating surface of the front shell 16 and the rear cover 17. The rear cover 17 has a groove for accommodating the sealing element, and a portion of the front shell 16 is inserted into the groove. Specifically, the sealing element is a second sealing element, the shape of which matches the shape of the mating surface between the front shell 16 and the rear cover 17, and the second sealing element has a protrusion that is in close contact with the front cover. This arrangement ensures a tight connection between the front shell 16 and the rear cover 17 through the second sealing element, preventing internal air leakage, temperature differences, and moisture generation on the circuit board 14.

[0048] Of course, the above description is not limiting, and in some alternative embodiments, the second seal may be omitted.

[0049] In this embodiment, the lens 1 and lens mount 4 are sealed by a sealing ring 7, the lens mount 4 is bolted to the circuit board 14, the sealing ring 7 abuts against the front housing 16 for sealing, and finally the lens mount 10 and rear cover 17 are installed. Using this device, the heat generated by the circuit board 14 is blocked between the circuit board 14 and the rear cover 17, preventing it from being transferred to the front cavity. The temperature of the lens 1 remains unchanged, and the internal and external temperatures of the lens mount 10 are essentially the same, effectively preventing fogging inside the outermost lens 12.

[0050] Instructions for use: First, fit the sealing ring 7 onto the cylindrical connecting part 5, so that one end of the sealing ring 7 abuts against the second abutting part 6 for sealing. Then, thread the cylindrical connecting part 2 onto the cylindrical connecting part 5, so that the cylindrical connecting part 2 enters into the cylindrical connecting part 5, and the other end of the sealing ring 7 abuts against the first abutting part 3 for sealing. Bolt the lens mount 4 onto the circuit board 14. Place the whole assembly into the front cover 16, and bolt the circuit board 14 onto the front cover 16. Install the lens mount 10 onto the front cover, and then bolt the rear cover 17 onto the front cover.

[0051] Using this device, the heat generated by the circuit board 14 is blocked between the circuit board 14 and the back cover 17 and cannot be transferred to the front cavity. The temperature of the lens 1 will not change, and the internal and external temperatures of the lens mount 10 are basically the same, effectively preventing fogging inside the outermost lens 12. Furthermore, a waterproof and breathable membrane 19 is installed on the back cover 17. The waterproof and breathable membrane 19 is a one-way breathable membrane that allows water vapor to diffuse outward through micropores while preventing external moisture from entering. It is a material with high breathability and moisture resistance. This one-way breathable characteristic allows the breathable membrane to maintain air circulation and prevent moisture accumulation at the same time.

[0052] In addition, this embodiment also provides a camera, including the lens module described in the above solution.

[0053] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the present invention.

Claims

1. A lens module, characterized in that, include: The lens (1) has a cylindrical connecting part (2) and a first abutting part (3), one end of the cylindrical connecting part (2) being connected to the first abutting part (3); The lens mount (4) has a cylindrical connecting part (5) and a second abutting part (6), one end of the cylindrical connecting part (5) is connected to the second abutting part (6); the cylindrical connecting part (2) of the lens (1) is inserted and connected to the cylindrical connecting part (5) of the lens mount (4); The sealing ring (7) has a cylindrical body, which is sleeved on the cylindrical connecting part (5). One end of the sealing ring (7) abuts and seals with the first abutting part (3), and the other end abuts and seals with the second abutting part (6).

2. The lens module according to claim 1, characterized in that, The outer periphery of the cylindrical body of the sealing ring (7) is provided with an annular flange (8).

3. The lens module according to claim 2, characterized in that, Also includes: The housing (9) and lens mount (10) are installed inside the housing (9), and the lens mount (10) has a cylindrical cavity (11), one end of which extends into the housing (9) and seals against the annular flange (8) of the sealing ring (7).

4. The lens module according to claim 3, characterized in that, A lens (12) is installed at the other end of the cylindrical cavity (11) of the lens holder (10).

5. The lens module according to claim 1, characterized in that, The lens mount (4) has a sealed cavity (13) on the side facing away from the lens (1).

6. The lens module according to claim 5, characterized in that, Also includes: The circuit board (14) has a power unit (15), the side of the lens mount (4) facing away from the lens (1) is connected to the circuit board (14), and the power unit (15) is located in the sealed cavity (13) of the circuit board (14).

7. The lens module according to claim 6, characterized in that, The sealed cavity (13) is provided with a sealing element surrounding the power unit (15).

8. The lens module according to any one of claims 1-7, characterized in that, Also includes: The housing (9) has a detachably connected front shell (16) and rear cover (17), the lens (1) and lens mount (4) are installed in the front shell (16), and the rear cover (17) is provided with a vent hole (18) and a waterproof and breathable membrane (19) is provided on the vent hole (18).

9. The lens module according to claim 8, characterized in that, A sealing element is provided at the joint surface of the front shell (16) and the rear cover (17), and a groove for accommodating the sealing element is provided on the rear cover (17), and a portion of the front shell (16) is inserted into the groove.

10. A camera, characterized in that, include: The lens module according to any one of claims 1-9.

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