Defogging device for surveying instrument lens of surveying and mapping engineering
The defogging device for surveying instrument lenses, designed with multiple ventilation plates and a rotating connection, solves the problems of traditional devices being complex and inconvenient. It achieves rapid defogging, stable and efficient maintenance of lens clarity, and is suitable for use in various environments.
Patent Information
- Application Number
- CN202422692846.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Traditional surveying instrument lens defogging devices are complex in structure, inconvenient to carry, and require frequent maintenance, which affects the efficiency of surveying work and the clarity of the lens.
It employs a multi-ventilation plate structure, including a first ventilation plate, a second ventilation plate, a third ventilation plate, and a fourth ventilation plate. Through a rotating connection and a flexible crank design, it ensures airflow around the lens. The use of polycarbonate material and polyurethane elastomer plastic prevents water mist buildup.
It quickly reduces water mist buildup, maintains lens clarity, adapts to different environments, improves defogging effect, reduces maintenance frequency, and enhances the stability and durability of the device.
Smart Images

Figure CN223636583U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to surveying and mapping engineering technical field, concretely relates to a surveying and mapping engineering surveying and mapping appearance lens defogging device. BACKGROUND
[0002] With the rapid development of science and technology, modern surveying and mapping technology has made remarkable progress compared with traditional surveying and mapping technology, and the precision and efficiency of surveying and mapping equipment have been greatly improved. However, with the wide application of surveying and mapping equipment in various fields, some problems of auxiliary surveying and mapping devices have gradually emerged. Due to the influence of environmental factors such as temperature and humidity change, water mist often accumulates inside the lens of surveying and mapping instrument, which seriously affects the clarity of the lens and the accuracy of the surveying and mapping result.
[0003] The traditional solution is usually to disassemble the equipment for cleaning by professionals, which not only increases the cost investment, but also reduces the efficiency of lens defogging, affecting the normal progress of surveying and mapping work.
[0004] The utility model with publication number CN202123301441 discloses a lens defogging device, which comprises a surveying and mapping instrument lens, a positioning frame is arranged outside the surveying and mapping instrument lens, a wind box is fixedly connected to the top of the positioning frame, a box cover is hingedly connected to the top of the wind box, a fan is fixedly connected to the inner bottom of the wind box, and a drying filter screen, a control switch and an air outlet pipe are arranged. Although the device realizes auxiliary rapid air drying and defogging treatment of the surveying and mapping instrument lens after sealing connection, the device uses a fan to draw external air, and contains multiple components and mechanical structures, which need to be regularly maintained and inspected. The device is relatively large and heavy, which is not conducive to portable and mobile use.
[0005] Therefore, the utility model provides a surveying and mapping engineering surveying and mapping appearance lens defogging device, which guides air flow through multiple ventilation plates to ensure air circulation around the surveying and mapping instrument lens and quickly reduce water mist accumulation. UTILITY MODEL CONTENTS
[0006] In view of the problems in the prior art, the utility model provides a surveying and mapping engineering surveying and mapping appearance lens defogging device, which guides air flow through multiple ventilation plates to ensure air circulation around the surveying and mapping instrument lens and quickly reduce water mist accumulation.
[0007] The utility model provides a surveying and mapping engineering surveying and mapping appearance lens defogging device, which comprises:
[0008] The first defogging device comprises an outer cover rotating disc, an outer cover and an outer cover inner rotating disc; the outer cover inner rotating disc is provided with a first ventilation plate, and the outer extension of the first ventilation plate is vertically provided with a ring-shaped second ventilation plate;
[0009] The second defogging device comprises a body rotating disc rotatably connected with the surveying instrument lens and a cover screwing disc connected with the cover.
[0010] The first defogging device is rotatably connected with the cover screwing disc of the second defogging device through the cover rotating disc.
[0011] Optionally, the third ventilation plate is a grid-shaped structure, and the fourth ventilation plate is a page-shaped structure composed of multiple inclined plates, and the inclined angle of the inclined plates is 30-45 degrees.
[0012] Optionally, the body rotating disc is provided with multiple elastic cranks, and the body rotating disc is connected with the cover screwing disc through the elastic cranks.
[0013] Optionally, the first ventilation plate and the second ventilation plate are made of polycarbonate.
[0014] Optionally, the cover rotating disc is provided with a telescopic rotating device, the cover is telescopic through the telescopic rotating device, and the cover is made of polyurethane elastomer plastic.
[0015] Optionally, a sliding plate is arranged between the elastic crank and the body rotating disc, the sliding plate is slidably connected with the surveying instrument lens, the outer side of the sliding plate is provided with a sealing gasket, and the sealing gasket is in close contact with the surveying instrument lens.
[0016] According to the above technical solution, the defogging device for the surveying instrument lens of the surveying engineering has the following advantages:
[0017] 1. The first ventilation plate and the second ventilation plate in the first defogging device and the third ventilation plate and the fourth ventilation plate in the second defogging device guide the air flow, ensure the air circulation around the surveying instrument lens, and thus quickly reduce the accumulation of water mist and maintain the clarity of the lens.
[0018] 2. The first defogging device is rotatably connected with the cover screwing disc of the second defogging device through the cover rotating disc, so that the angle of the cover can be flexibly adjusted to adapt to different working environments and surveying requirements.
[0019] 3. The third ventilation plate adopts a grid-shaped structure, the ventilation area is increased, and the multiple inclined plates of the fourth ventilation plate have an inclined angle of 30-45 degrees, so that the air flow can be better guided and the defogging effect is improved.
[0020] 4. The first ventilation plate and the second ventilation plate are made of polycarbonate, so as to ensure the stability and durability of the device in harsh environments.
[0021] 5. The elastic crank is provided with the sliding plate between the body rotating disc and cooperates the sealing gasket outside, effectively prevents the external water mist from entering, further improves the defogging effect. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the body defogging part explosion map of the surveying and mapping engineering surveying and mapping instrument lens defogging device of the utility model embodiment;
[0023] Figure 2 It is the outer cover defogging part schematic diagram of the surveying and mapping engineering surveying and mapping instrument lens defogging device of the utility model embodiment;
[0024] Figure 3 It is the lens schematic diagram of the utility model embodiment;
[0025] Figure 4 It is the body defogging part schematic diagram of the surveying and mapping engineering surveying and mapping instrument lens defogging device of the utility model embodiment;
[0026] Figure 5 It is the perspective schematic diagram of the surveying and mapping engineering surveying and mapping instrument lens defogging device of the utility model embodiment;
[0027] Figure 6 It is the schematic diagram of the surveying and mapping engineering surveying and mapping instrument lens defogging device of the utility model embodiment.
[0028] REFERENCE SIGNS:
[0029] 1: body rotating disc;
[0030] 2: outer cover rotating disc;
[0031] 3: elastic crank;
[0032] 4: outer cover;
[0033] 5: outer cover inner rotating disc;
[0034] 6: second ventilation plate;
[0035] 7: first ventilation plate;
[0036] 8: screw;
[0037] 9: third ventilation plate;
[0038] 10: elastic crank;
[0039] 11: third ventilation plate;
[0040] 12: fourth ventilation plate;
[0041] 13: outer cover threaded disc;
[0042] 14: surveying and mapping instrument lens; Detailed Implementation
[0043] To better understand the purpose, structure, and function of this utility model, the following description, in conjunction with the accompanying drawings, provides a more detailed account of the defogging device for the lens of a surveying and mapping instrument.
[0044] like Figures 1 to 6 As shown, the defogging device for the lens 14 of the surveying and mapping engineering instrument includes:
[0045] The first defogging device includes an outer cover rotating disk 2, an outer cover, and an inner rotating disk 5; the inner rotating disk 5 is provided with a first ventilation plate 7, and an annular second ventilation plate 6 is vertically provided on the outer extension of the first ventilation plate 7.
[0046] The second defogging device includes a body rotating disk 1 rotatably connected to the mapping instrument lens 14 and an outer cover threaded disk 13 connected to the outer cover; a third ventilation plate 9 and a fourth ventilation plate 12 are provided between the body rotating disk 1 and the outer cover threaded disk 13.
[0047] The first defogging device is rotatably connected to the outer cover threaded disc 13 of the second defogging device via the outer cover rotating disc 2.
[0048] In this embodiment, the airflow is guided by the first ventilation plate 7 and the second ventilation plate 6 in the first defogging device, and the third ventilation plate 9 and the fourth ventilation plate 12 in the second defogging device, ensuring air circulation around the surveying instrument lens 14, thereby quickly reducing the accumulation of water mist and maintaining the lens clarity. The first defogging device is rotatably connected to the outer cover threaded plate 13 of the second defogging device via the outer cover rotating disk 2, which allows for flexible adjustment of the outer cover angle to adapt to different working environments and surveying needs. The first ventilation plate 7 and the annular second ventilation plate 6, which is perpendicular to its outer extension, further expand the ventilation area, making the airflow more uniform and avoiding the formation of eddies or dead zones in certain areas, thus significantly enhancing the overall ventilation effect and facilitating the exchange of air between the inside and outside, reducing the fog retention time. The third ventilation plate 9 and the fourth ventilation plate 12, which includes multiple inclined plates, can better guide the airflow and improve the defogging effect.
[0049] Optionally, the third ventilation plate 9 is a mesh-like structure, and the fourth ventilation plate 12 is a leaf-like structure composed of multiple inclined plates, the inclination angle of the inclined plates being 30 degrees to 45 degrees.
[0050] The third ventilation panel 9, with its mesh-like structure, can guide airflow more efficiently, reduce airflow resistance, and make air circulation smoother. The fourth ventilation panel 12, with its leaf-like structure composed of multiple inclined plates and an inclination angle of 30 to 45 degrees, can guide airflow in a specific direction, helping to direct airflow directly to the area requiring defogging and improving the defogging effect.
[0051] Optionally, the fuselage rotating disc 1 is provided with a plurality of elastic cranks 3 connected with the outer cover threaded disc 13.
[0052] When the angle or position of the surveying instrument lens 14 needs to be adjusted, the alignment and fixation between the outer cover and the lens can be achieved through the bending and stretching of the elastic crank 3. When the outer cover is disassembled or assembled, the connection or separation with the outer cover threaded disc 13 can be easily achieved by adjusting the bending degree of the elastic crank 3, thereby improving the work efficiency.
[0053] Optionally, the first ventilation plate 7 and the second ventilation plate 6 are made of polycarbonate.
[0054] The ventilation plate with good heat resistance can ensure long-term use in high-temperature environment without affecting the ventilation effect, thereby ensuring the durability of the defogging effect.
[0055] Optionally, the outer cover inner rotating disc 5 is provided with a telescopic rotating device, the outer cover is telescopic through the telescopic rotating device, and the material of the outer cover is polyurethane elastomer plastic.
[0056] Through the telescopic rotating device, the outer cover can be flexibly telescopic and rotated for sealing at different angles and openings to prevent moisture or fog from entering the lens. The polyurethane elastomer plastic has good elasticity and deformability, which can effectively prevent the penetration of moisture or fog and can maintain its original shape and elasticity, ensuring the long-term use of the defogging device. When it is necessary to clean or replace the defogging device, the telescopic rotating device makes the installation and disassembly of the outer cover more simple and convenient, reduces the maintenance time, and improves the work efficiency.
[0057] Optionally, a sliding plate is arranged between the elastic crank 3 and the fuselage rotating disc 1, the sliding plate is in sliding connection with the surveying instrument lens 14, and a sealing gasket is arranged on the outer side of the sliding plate and tightly contacts the surveying instrument lens 14.
[0058] The sealing gasket on the outer side of the sliding plate tightly contacts the surface of the surveying instrument lens 14 to form a seamless sealing structure, effectively preventing the entry of external moisture, dust and harmful substances, thereby providing a clean and dry environment for the lens and improving the defogging effect.
[0059] The utility model discloses a first defogging device, including the cover rotating disc, the cover and the cover inner rotating disc, the cover inner rotating disc is provided with the first ventilation board, and the first ventilation board's outer extension vertical is provided with annular second ventilation board, second defogging device, including with the surveying instrument camera lens rotation connection's fuselage rotating disc, with the cover connection's cover screw thread disc, the fuselage rotating disc with The cover screw thread disc between being provided with third ventilation board and fourth ventilation board, the first defogging device is through the cover rotating disc with the cover screw thread disc rotation connection of second defogging device, the utility model discloses through the first ventilation board and second ventilation board in the first defogging device and third ventilation board and fourth ventilation board in the second defogging device guide wind flow, ensure the air circulation around surveying instrument camera lens, thereby fast reduce the accumulation of water mist, keep the definition of camera lens, the first defogging device is through the cover rotating disc with the cover screw thread disc rotation connection of second defogging device, can flexibly adjust the angle of cover, adapt to different working environment and surveying demand, third ventilation board adopts the grid shan shape structure, increases the ventilation area, and the multiple inclined plates of fourth ventilation board are through the inclination angle of 30 degrees to 45 degrees, can better guide wind flow, improve defogging effect, the first ventilation board and second ventilation board adopt polycarbonate material, ensure the stability and durability of device under the harsh environment, the sliding plate is set between the elastic crank and fuselage rotating disc and cooperates the sealing gasket of outside, effectively prevent external water mist from entering, further improve defogging effect.
[0060] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not limited to it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model, and they should be covered in the scope of the claims and the description of the utility model. Especially, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed in the text, but includes all technical schemes falling within the scope of the claims.
Claims
1. A kind of surveying and mapping engineering surveying and mapping instrument lens defogging device, it is characterized by, The utility model relates to a kind of fog removal device for surveying and mapping instrument, including: First defogging device, including outer cover rotating disc, outer cover and outer cover inner rotating disc;The outer cover inner rotating disc is provided with first ventilation plate, and the outer extension of the first ventilation plate is vertically provided with annular second ventilation plate; Second defogging device, including with the surveying and mapping instrument lens rotation connection fuselage rotating disc, with outer cover connection outer cover screw disc;The fuselage rotating disc is provided with third ventilation plate and fourth ventilation plate with the outer cover screw disc; The first defogging device is rotated and connected by outer cover rotating disc with the outer cover screw disc of second defogging device.
2. The mapping engineering surveyor lens defogging device of claim 1, wherein, The third ventilation plate is grid mesh, and the fourth ventilation plate is page structure consisting of multiple inclined plates, and the inclination angle of the inclined plate is 30-45 degrees.
3. The de-fogging device for surveying engineering surveying instrument lens according to claim 2, characterized in that, The fuselage rotating disc is provided with multiple elastic cranks, and the elastic cranks are connected with the outer cover screw disc.
4. The mapping engineering surveyor lens defogging device of claim 1, wherein, The material of the first ventilation plate and the second ventilation plate is polycarbonate.
5. The de-fogging apparatus for surveying engineering surveying instrument lenses according to any one of claims 1-4, characterized in that, The outer cover inner rotating disc is provided with telescopic rotating device, and the outer cover is telescopic through the telescopic rotating device, and the material of the outer cover is polyurethane elastomer plastic.
6. The de-fogging device for surveying engineering surveying instrument lenses according to claim 5, characterized in that, The elastic crank is provided with sliding plate between the fuselage rotating disc, and the sliding plate is slidably connected with the surveying and mapping instrument lens, and the outer side of the sliding plate is provided with sealing gasket, and the sealing gasket is in close contact with the surveying and mapping instrument lens.
Citation Information
Patent Citations
Defogging device for surveying instrument lens of surveying and mapping engineering
CN219735923U