Electric heating type protective lens
By installing an electric heating block in the built-in groove of the lens and combining it with a quartz glass protective lens and a double-layer structure, the problem of lens fogging in low temperature and high humidity environments is solved, efficient heating and defogging of the lens is achieved, and imaging quality and operational safety are improved.
Patent Information
- Application Number
- CN202422880653.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing camera lenses are prone to fogging in low temperature or high humidity environments, resulting in unclear imaging. Wiping the lens also increases the risk of contamination and reduces work efficiency.
An electric heating block installed inside the built-in groove is used to heat the insulation cylinder. Combined with the quartz glass protective lens and double-layer structure, heating reduces the water mist formed by fog, ensuring lens clarity. The snap-on method facilitates the removal and replacement of the lens, enhancing the insulation and heat preservation effects.
Effectively reduce the probability of lens fogging, improve imaging clarity and flexibility, extend lens service life, reduce the risk of electrical failure, and improve energy utilization and operational safety.
Smart Images
Figure CN223461774U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lens technical field especially is a kind of electric heating type protective lens. BACKGROUND
[0002] Electric heating lens is a specially designed lens, mainly used to maintain the normal working performance of the lens in low temperature or high humidity environment. This lens heats the lens through the built-in electric heating element, prevents frost, fog or icing on the surface of the lens, and thus ensures the clarity and stability of the image. Electric heating lens has been widely used in many fields, especially in outdoor monitoring, aerospace, industrial automation and scientific research.
[0003] The existing camera lens has dustproof effect, but it does not have defogging function. When the liquid adheres to the surface of the lens, due to the lack of defogging function, the lens surface may be penetrated by the liquid and cause corrosion. On the other hand, when it needs to be used in outdoor fog environment for shooting, due to the lack of heating and defogging effect of the existing lens, the lens needs to be wiped constantly. When the lens adheres to the dirt, the frequency of wiping increases the probability of lens contamination by adhering objects. The structure needs to be further processed and improved, which increases the process and reduces the work efficiency. Therefore, the present inventor proposes an electric heating type protective lens to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model is aimed at providing a technical solution to solve the above problems.
[0005] An electric heating type protective lens, comprising a mounting cylinder and a heat preservation cylinder, one end of the mounting cylinder is a mounting base, the heat preservation cylinder comprises a surface layer and a base layer, an internal slot is provided between the surface layer and the base layer, an electric heating block for assisting the heat preservation cylinder heating is installed inside the internal slot, one end of the electric heating block is electrically connected with a power supply connecting line, one end of the power supply connecting line extends to the outside to connect the power supply through the wiring hole on the surface of the heat preservation cylinder, the two ends of the electric heating block are respectively attached to the surface of the surface layer and the base layer, the surface of the base layer is a clamping groove, the surface of the clamping groove is provided with a connecting groove, and the surface of the clamping groove and the connecting groove is connected with a protective lens for assisting the protection of the internal structure of the heat preservation cylinder.
[0006] The protective lens can effectively protect the internal structure of the heat preservation cylinder, prevent the damage of external environment such as dust, moisture and impact to the internal structure, and the design of the clamping groove and the connecting groove can ensure the stable installation of the protective lens and prevent it from falling off or shifting.
[0007] In addition, the electric heating block is installed in the built-in groove, which can directly heat the heat preservation cylinder, improve the heating efficiency, ensure the uniform distribution of the internal temperature of the heat preservation cylinder, and the double-layer structure of the surface layer and the base layer can provide good insulation and heat preservation effect, reduce heat loss, improve energy utilization, and extend the service life of the heat preservation cylinder.
[0008] Further, the protective lens and the heat preservation cylinder are detachably connected in a clamping manner, the surface of the protective lens is attached to the surface of the base layer, the protective lens is made of quartz glass, and the thermal conductivity of the protective lens is 1.340 W / (m·K).
[0009] Quartz glass has excellent physical and chemical properties, high temperature resistance, corrosion resistance, high light transmittance, can effectively protect the electric heating block and other structures inside the heat preservation cylinder, and the detachable clamping structure can ensure the stable installation of the protective lens, and is convenient to disassemble and replace, convenient to maintain and clean, and the thermal conductivity of quartz glass is 1.340 W / (m·K), which is relatively low, which can effectively reduce the heat loss from the inside of the heat preservation cylinder to the outside through the protective lens, improve the heat preservation effect, reduce the temperature gradient, and improve the heat preservation efficiency.
[0010] Further, the inside of the mounting cylinder is provided with a zoom lens, and the surface of the mounting cylinder is provided with a focal length adjusting ring for assisting the zoom lens to adjust the focal length; the zoom lens can change the focal length of the shooting, so as to adjust the shooting range and details, improve the flexibility and quality of the imaging, and the focal length adjusting ring can finely adjust the focal length of the zoom lens, so as to ensure the definition and sharpness of the image. The focal length adjusting ring is convenient for the operator to manually adjust the focal length, and the operation is simple and intuitive, so as to quickly adjust the focal length. The existing zoom technology is used to assist shooting, and the standard shooting effect is maintained.
[0011] Further, the mounting cylinder is provided with a protective ring for protecting the protective lens at one end, and the surface of the protective ring is provided with an anti-skid groove for increasing friction; the protective ring can effectively protect the protective lens, reduce the damage of external objects to the protective lens, assist to prolong the service life of the protective lens, reduce the scratching and abrasion on the surface of the protective lens, and maintain the transparency and optical performance of the lens. The anti-skid groove on the surface of the protective ring can increase the friction between the fingers and the protective ring, so that the user can hold and rotate the protective ring more easily during operation, reduce the risk of slipping, reduce the risk of equipment falling due to hand slipping, and reduce the risk of equipment damage.
[0012] Further, the surface of the heat preservation cylinder is connected with a heat preservation sleeve for increasing heat preservation time, the heat preservation sleeve is sleeved with the surface of the heat preservation cylinder and is detachable structure;
[0013] The heat preservation sleeve can significantly reduce heat loss, prolong the heat preservation time in the heat preservation cylinder, ensure the stability and uniformity of the temperature, reduce the energy consumption of the electric heating block by reducing heat loss, improve the energy utilization efficiency, and the detachable design of the heat preservation sleeve makes the installation and removal convenient, facilitates cleaning, maintenance and replacement, the operator can add or remove the heat preservation sleeve at any time according to actual needs, flexibly adjusts the heat preservation effect, and improves the safety of operation.
[0014] Further, the wiring hole penetrates the surface of the two ends of the surface layer, and is communicated with the inside of the built-in groove, a sealing ring can be additionally arranged on the surface of the wiring hole to reduce heat discharge from the wiring hole;
[0015] The sealing ring can effectively block the wiring hole, reduce heat discharge from the wiring hole, improve the heat preservation effect of the heat preservation cylinder, prolong the heat preservation time, and also reduce heat loss to ensure uniform distribution of the temperature in the heat preservation cylinder, in addition, the sealing ring can prevent external moisture and dust from entering the wiring hole, and reduce the risk of electric leakage caused by high humidity or dust accumulation.
[0016] Further, the refractive index of the protective lens is 1.50, and the Abbe number is 58; the material with a refractive index of 1.50 generally has high light transmittance, which can ensure efficient transmission of light, reduce light loss, improve brightness and clarity of imaging, high light transmittance can also reduce reflection of light at the interface, reduce glare phenomenon, and improve image quality, the Abbe number is 58, the material has low dispersion characteristics, which can effectively reduce chromatic aberration or dispersion, improve color restoration and sharpness of imaging.
[0017] Compared with the prior art, the beneficial effects of the utility model are that: the electric heating block is installed in the built-in groove to heat the heat preservation cylinder, the structure can reduce the water mist formed by the mist entering the heat preservation cylinder or reduce the water mist adhering to the surface of the protective lens, thereby reducing the probability of lens fogging through heating.
[0018] The double-layer structure of the surface layer and the base layer can provide good insulation and heat preservation effect, reduce heat loss, and improve energy utilization rate, and the power supply connection line extends to the outside to connect the power supply through the wiring hole, which ensures the power supply safety of the electric heating block, reduces the risk of electrical failure, and further ensures the operation safety of the user. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a perspective view of an electric heating protective lens;
[0020] Figure 2 is another perspective view of the electric heating protective lens;
[0021] Figure 3 is an exploded view of the electric heating protective lens;
[0022] Figure 4 is a front view of the electric heating protective lens;
[0023] Figure 5 is a rear view of the electric heating protective lens;
[0024] Figure 6 is a schematic view of the internal structure of the electric heating protective lens;
[0025] In the figure: mounting cylinder-1, heat preservation cylinder-2, mounting base-3, surface layer-4, base layer-5, built-in groove-6, electric heating block-7, power connection line-8, wiring hole-9, clamping groove-10, connecting groove-11, protective lens-12, zoom lens-13, focal length adjusting ring-14, protective ring-15, anti-skid groove-16, heat preservation sleeve-17. DETAILED DESCRIPTION
[0026] The utility model will be described in further detail below in combination with the drawings and specific embodiments.
[0027] In this embodiment, please refer to Figures 1-6 , a specific implementation of the electric heating protective lens, including mounting cylinder 1 and heat preservation cylinder 2, one end of the mounting cylinder 1 is mounting base 3, heat preservation cylinder 2 includes surface layer 4 and base layer 5, built-in groove 6 is arranged between surface layer 4 and base layer 5, electric heating block 7 for assisting heat preservation cylinder 2 heating is mounted in the built-in groove 6, one end of the electric heating block 7 is electrically connected with power connection line 8, one end of the power connection line 8 extends to the outside connection power supply through the wiring hole 9 on the surface of the heat preservation cylinder 2, the two ends of the electric heating block 7 are respectively adhered to the surface of surface layer 4 and base layer 5, the surface of base layer 5 is clamping groove 10, connecting groove 11 is arranged on the surface of clamping groove 10, protective lens 12 for assisting protection of the internal structure of heat preservation cylinder 2 is connected on the surface of clamping groove 10 and connecting groove 11;
[0028] The protective lens 12 can effectively protect the structure inside the heat preservation cylinder 2 from damage by external environment such as dust, moisture and impact, and the design of the clamping groove 10 and the connecting groove 11 can ensure the stable installation of the protective lens 12 and prevent it from falling off or shifting; in addition, the electric heating block 7 is installed inside the built-in groove 6, which can directly heat the heat preservation cylinder 2, improve the heating efficiency, ensure the uniform distribution of the temperature inside the heat preservation cylinder 2, and the double-layer structure of the surface layer 4 and the base layer 5 can provide good insulation and heat preservation effect, reduce heat loss and improve energy utilization rate; the power supply connection line 8 extends to the outside through the wiring hole 9 to connect the power supply, which ensures the power supply safety of the electric heating block 7 and reduces the risk of electrical failure; the structure can reduce the probability of fogging of the lens by heating to reduce the formation of water mist inside the heat preservation cylinder 2 after the fog enters the heat preservation cylinder 2 or the adhesion of water mist to the surface of the protective lens 12.
[0029] The protective lens 12 and the heat preservation cylinder 2 are in a detachable structure of clamping connection, the surface of the protective lens 12 is attached to the surface of the base layer 5, the protective lens 12 is made of quartz glass, and the thermal conductivity of the protective lens 12 is 1.340 W / (m·K); quartz glass has excellent physical and chemical properties, is resistant to high temperature and corrosion, has high light transmittance, can effectively protect the electric heating block 7 and other structures inside the heat preservation cylinder 2, and the detachable structure of clamping connection can ensure the stable installation of the protective lens 12, while being convenient for disassembly and replacement, convenient for maintenance and cleaning, and the thermal conductivity of quartz glass is relatively low, which can effectively reduce the heat loss from the inside of the heat preservation cylinder 2 to the outside through the protective lens 12, improve the heat preservation effect, reduce the temperature gradient, and play a role in heat preservation efficiency.
[0030] The inside of the mounting cylinder 1 is provided with a zoom lens 13, and the surface of the mounting cylinder 1 is provided with a focal length adjusting ring 14 for assisting the zoom lens 13 to adjust the focal length; the zoom lens 13 can change the focal length of the shooting, thereby adjusting the shooting range and details, and improving the flexibility and quality of imaging, while the focal length adjusting ring 14 can finely adjust the focal length of the zoom lens 13 manually, thereby ensuring the definition and sharpness of the image; the focal length adjusting ring 14 is convenient for the operator to adjust the focal length manually by rotating the focal length adjusting ring 14, which is simple and intuitive to operate and convenient for quick adjustment; the existing zoom technology is used to assist shooting, thereby maintaining the standard shooting effect.
[0031] The end of the mounting cylinder 1 is provided with a protective ring 15 for protecting the protective lens 12, and the surface of the protective ring 15 is provided with anti-skid grooves 16 for increasing friction; the protective ring 15 can effectively protect the protective lens 12, reduce damage to the protective lens 12 caused by external objects, assist in prolonging the service life of the protective lens 12, reduce scratches and wear on the surface of the protective lens 12, and maintain the transparency and optical performance of the lens; and the anti-skid grooves 16 on the surface of the protective ring 15 can increase the friction between the fingers and the protective ring 15, so that the user can more easily hold and rotate the protective ring 15 during operation, reduce the risk of slipping, reduce the risk of device falling caused by hand slipping, and reduce the risk of device damage.
[0032] The surface of the heat preservation cylinder 2 is connected with a heat preservation sleeve 17 for increasing the heat preservation time, the heat preservation sleeve 17 is sleeved on the surface of the heat preservation cylinder 2 and has a detachable structure; the heat preservation sleeve 17 can significantly reduce heat loss, prolong the heat preservation time inside the heat preservation cylinder 2, ensure the stability and uniformity of the temperature, reduce the energy consumption of the electric heating block 7 by reducing heat loss, improve the energy utilization efficiency, and the detachable design of the heat preservation sleeve 17 makes installation and disassembly convenient, facilitates cleaning, maintenance and replacement, and the operator can add or remove the heat preservation sleeve 17 at any time according to actual needs, flexibly adjust the heat preservation effect, and improve the safety of operation.
[0033] The wiring hole 9 penetrates the surface of the surface layer 4 at both ends and is in communication with the inside of the built-in groove 6, a sealing ring can be additionally arranged on the surface of the wiring hole 9 to reduce heat discharge from the wiring hole 9; the sealing ring can effectively block the wiring hole 9, reduce heat discharge from the wiring hole 9, improve the heat preservation effect of the heat preservation cylinder 2, prolong the heat preservation time, and ensure the uniform distribution of the temperature inside the heat preservation cylinder 2; in addition, the sealing ring can prevent external moisture and dust from entering the wiring hole 9, and reduce the risk of electric leakage caused by excessive humidity or dust accumulation.
[0034] The refractive index of the protective lens 12 is 1.50, and the Abbe number is 58; the material with a refractive index of 1.50 generally has a high light transmittance, can ensure efficient transmission of light, reduce light loss, improve the brightness and clarity of imaging, and can reduce light reflection at the interface, reduce glare, and improve image quality; the material with an Abbe number of 58 has low dispersion characteristics, can effectively reduce chromatic aberration or dispersion, and improve the color restoration and sharpness of imaging.
[0035] The design points of the utility model lie in: the electric heating block 7 is arranged in the built-in groove 6 to heat the heat preservation cylinder 2, the structure can reduce the water mist formed after the mist enters the heat preservation cylinder 2 or reduce the adhesion of the water mist to the surface of the protective lens 12, so that the probability of lens fogging is reduced by heating;
[0036] The double-layer structure of the surface layer 4 and the base layer 5 can provide good insulation and heat preservation effect, reduce heat loss and improve energy utilization rate, and the power supply connecting wire 8 extends to the outside through the wiring hole 9 to connect the power supply, which ensures the power supply safety of the electric heating block 7, reduces the risk of electrical failure, and further guarantees the operation safety of the user.
[0037] The above is a further detailed description of the utility model in combination with specific preferred embodiments, and cannot be regarded as the specific implementation of the utility model being limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as the protection scope of the utility model.
Claims
1. An electrically heated protective lens comprising a mounting cylinder and a heat retaining cylinder, characterized in that: One end of the mounting cylinder is a mounting base, the heat preservation cylinder includes a surface layer and a base layer, an internal groove is arranged between the surface layer and the base layer, an electric heating block for assisting the heat preservation cylinder in heating is arranged in the internal groove, one end of the electric heating block is electrically connected with a power connection line, one end of the power connection line extends to the outside to connect a power source through a wiring hole on the surface of the heat preservation cylinder, the two ends of the electric heating block are respectively attached to the surfaces of the surface layer and the base layer, the surface of the base layer is a clamping groove, a connecting groove is arranged on the surface of the clamping groove, and a protective lens for assisting in protecting the internal structure of the heat preservation cylinder is arranged on the surfaces of the clamping groove and the connecting groove.
2. An electrically heated protective lens according to claim 1, characterized in that: The protective lens and the heat preservation cylinder are detachably connected in a clamping manner, the surface of the protective lens is attached to the surface of the base layer, the protective lens is made of quartz glass, and the thermal conductivity of the protective lens is 1.340 W / (m·K).
3. The electrically heated protective lens of claim 1, wherein: The inside of the mounting cylinder is provided with a zoom lens, and the surface of the mounting cylinder is provided with a focal length adjusting ring for assisting the zoom lens in adjusting the focal length.
4. An electrically heated protective lens according to any one of claims 1 to 3, wherein: One end of the mounting cylinder is provided with a protective ring for protecting the protective lens, and the surface of the protective ring is provided with an anti-skid groove for increasing friction.
5. An electrically heated protective lens according to any one of claims 1-3, characterized in that: The surface of the heat preservation cylinder is connected with a heat preservation sleeve for increasing the heat preservation time, the heat preservation sleeve is sleeved on the surface of the heat preservation cylinder and is detachable.
6. An electrically heated protective lens according to any one of claims 1-3, characterized in that: The wiring hole penetrates the surfaces of the two ends of the surface layer and is in communication with the inside of the internal groove.
7. An electrically heated protective lens according to any one of claims 1-3, characterized in that: The refractive index of the protective lens is 1.50, and the Abbe number is 58.