Defogging device for surveying instrument lens of surveying and mapping engineering

Abstract

The utility model belongs to the technical field of lens demisting, and particularly relates to a surveying and mapping instrument lens demisting device for surveying and mapping engineering, which comprises a surveying and mapping instrument and a surveying and mapping mirror, a micro fan is arranged above the first annular frame, a guide pipe is arranged on the left side of the first annular frame and connected to the second annular frame, and the first annular frame and the second annular frame are installed on the outer sides of two lenses of the surveying and mapping mirror respectively to form the effect of double-area simultaneous demisting; the threaded ring frame is located on the left side and the inner side of the first annular frame, an elastically-deformed blocking pad is arranged, a hollow cavity is formed in the blocking pad, and the blocking pad and the hollow cavity are combined to adapt to the diameter of a lens frame of the surveying and mapping lens, so that the first annular frame adapts to various surveying and mapping instruments. The demisting mechanism can realize the function of simultaneous demisting of double lenses and the function of single-lens internal and external double-area air-out demisting, in addition, the demisting mechanism can be mounted on different surveying and mapping equipment, and the adaptability of the demisting mechanism is improved while the production cost of the equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lens defogging technical field, especially relate to a surveying and mapping engineering surveying and mapping instrument lens defogging device. BACKGROUND

[0002] The surveying and mapping engineering surveying and mapping instrument is an indispensable tool in engineering surveying and mapping, and has the characteristics of high precision, multifunction and stability.

[0003] Through the search, the patent of Chinese patent authorization number CN221467842U discloses handheld observation instrument anti-condensation structure, solves the problem that the glass lens will cause the lens surface to appear condensation phenomenon when contacting with air when the temperature is low, thereby causing the condensation to block the lens.

[0004] However, the device still has the following deficiencies in actual application:

[0005] 1. The device itself is installed above the lens, but has great limitations, and needs to be used with the lens, resulting in high production cost of the equipment and poor adaptability.

[0006] 2. The defogging function of the device itself is concentrated in front of the lens, but the lens of the equipment is designed in a two-end type, and the lens near the user cannot be considered, and the atomization phenomenon still exists.

[0007] To solve the above problems, a surveying and mapping engineering surveying and mapping instrument lens defogging device is proposed in the present application. Utility model content

[0008] The utility model aims at providing a surveying and mapping engineering surveying and mapping instrument lens defogging device, which solves the problems proposed in the above background technology.

[0009] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0010] The utility model is a surveying and mapping engineering surveying and mapping instrument lens defogging device, which comprises: a surveying instrument and a surveying mirror; a first annular frame is provided with a micro fan at the top, and a conduit is connected to a second annular frame at the left side; the first annular frame and the second annular frame are respectively installed on the outer sides of the two lenses of the surveying mirror, forming a double-area simultaneous defogging effect; a threaded ring frame is located at the left side of the first annular frame, and an elastic deformation blocking pad is arranged on the inner side; a hollow cavity is formed in the blocking pad; the combination of the blocking pad and the hollow cavity is used to adapt to the diameter of the lens frame of the surveying mirror, so that the first annular frame can adapt to various surveying instruments.

[0011] Further, the left side of the threaded ring frame is provided with a rubber pad, and the inner and outer sides of the connection are inclined guide structures.

[0012] Further, the outer side of the threaded ring frame is provided with a compression ring, and the left side area is a convex plate body mechanism for extruding the outer side of the rubber pad to make it shrink inward.

[0013] Further, the inner side of the first ring frame is provided with a bidirectional spray groove with inner and outer double inclined angles for forming bidirectional hot air to realize the effect of double-zone defogging of a single lens.

[0014] Further, the first ring frame is internally provided with an annular air cavity, and a heating wire is internally installed.

[0015] Further, the adjacent inner side area of the annular air cavity is provided with an arc-shaped plate for uniformly dispersing hot air.

[0016] Further, the first ring frame and the second ring frame are installed in the same way as the surveying mirror.

[0017] The utility model has the following beneficial effects:

[0018] The utility model discloses a threaded ring frame, a rubber pad and a compression ring, which can be installed on the outer side of the surveying mirror at any time during use, and form a convenient dismounting structure through extrusion force and friction, which is convenient for maintenance and replacement and the like, and can reduce the production cost of equipment, and the defogging mechanism can be adapted to various surveying instruments.

[0019] The annular air cavity and the arc-shaped plate are matched, hot air is guided into the duct, and is finally transmitted to the second ring frame, and the defogging effect of double areas is formed through the separation structure of the first ring frame and the second ring frame, the lenses at both ends of the equipment can be defogged at the same time, and the surveying operation in cold weather is facilitated.

[0020] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0023] Figure 2 It is the first ring frame and the second ring type frame and the surveying mirror combined state structure schematic diagram of the utility model;

[0024] Figure 3It is the first annular frame internal structure schematic view of the utility model;

[0025] Figure 4 It is the first annular frame cross section structure schematic view of the utility model;

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] In the drawings: 1, surveying and mapping instrument;2, surveying and mapping mirror;3, first annular frame;4, second annular frame;5, guide pipe;6, miniature fan;7, threaded ring frame;8, rubber pad;9, pressing ring;10, two-way spray groove;11, annular air cavity;12, heating wire;13, arc plate;14, blocking pad;15, hollow cavity. Specific implementation

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] Please refer to Figures 1-4 The utility model discloses a surveying and mapping engineering surveying and mapping instrument lens defogging device, which comprises a surveying and mapping instrument 1 and a surveying and mapping mirror 2.

[0031] The first annular frame 3 is provided with a miniature fan 6 at the top, and a guide pipe 5 is connected to the second annular frame 4 at the left side. The first annular frame 3 and the second annular frame 4 are respectively installed on the outer sides of the two lenses of the surveying and mapping mirror 2, forming a double-area simultaneous defogging effect. The first annular frame 3 is internally provided with an annular air cavity 11, and a heating wire 12 is installed inside.

[0032] The threaded ring frame 7 is located at the left side of the first annular frame 3, and is internally provided with an elastically deformed blocking pad 14. The blocking pad 14 is internally provided with a hollow cavity 15. The combination of the blocking pad 14 and the hollow cavity 15 is used for adapting to the diameter of the lens frame of the surveying and mapping mirror 2, so that the first annular frame 3 is adapted to various surveying and mapping instruments 1.

[0033] The embodiment provides the device which can remove fog in multiple areas simultaneously, utilizes the separated installation of the first ring-shaped frame 3 and the second ring-shaped frame 4, can simultaneously remove fog for two lenses, and through the elastic deformation of the blocking block 14 and the hollow cavity 15, is suitable for the installation of multiple lens frames, reduces the limitation of the fog removing device, and is suitable for different surveying and mapping equipment.

[0034] Wherein, the left side of the threaded ring frame 7 is provided with a rubber pad 8, the inner and outer sides of the connection are inclined guide structures, the outer side of the threaded ring frame 7 is spirally provided with a compression ring 9, the left side area of the compression ring 9 is a convex plate body mechanism, and the convex plate body mechanism can be easily moved to the outer side of the rubber pad 8 through the inclined guide structure, so that it is inwards contracted to achieve the locking installation effect.

[0035] Wherein, the inner side of the first ring-shaped frame 3 is provided with a bidirectional spray groove 10 with double inclined angles inside and outside, which is used for forming bidirectional hot air, realizing the effect of double-zone fog removal of a single lens, and reducing the influence in foggy weather.

[0036] Wherein, the adjacent inner side area of the annular air cavity 11 is provided with an arc-shaped plate 13 for uniformly dispersing hot air, and promoting the hot air into the conduit 5, so as to ensure the fog removal effect of the inner side area of the second ring-shaped frame 4.

[0037] Wherein, the first ring-shaped frame 3 and the second ring-shaped frame 4 are installed in the same way as the surveying and mapping lens 2.

[0038] It can be understood that the utility model can realize the function of simultaneously removing fog for double lenses, form the function of double-zone outflow fog removal for a single lens, and install the fog removal mechanism on different surveying and mapping equipment, thereby reducing the production cost of the equipment, improving the adaptability of the fog removal mechanism.

[0039] A specific application of the operation process of the embodiment is as follows: in use, first, the threaded ring frame 7 is sleeved on the outer side of the surveying and mapping lens 2, and the elastic deformation of the blocking pad 14 and the hollow cavity 15 automatically adapts to the diameter size to form a clamping effect, then the compression ring 9 is rotated to move outward, so as to extrude the outer side of the rubber pad 8 to make it shrink inward, thereby achieving the effect of locking the surveying and mapping lens 2, at this time, the wind power generated by the micro blower 6 is introduced inward, and after being heated by the heating wire 12, the wind power is shunted by the bidirectional spray groove 10 to form bidirectional spray flow, which can not only remove fog for the lens, but also blow away the fog near the lens, thereby facilitating the use in foggy weather; in addition, the arc-shaped plate 13 can also promote the hot air to enter the conduit 5, and finally the hot air is blown to the second ring-shaped frame 4 to form the effect of simultaneously removing fog for double lenses, thereby facilitating the use in surveying and mapping operation and improving the practicability of the fog removal mechanism.

[0040] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. A kind of surveying and mapping engineering surveying and mapping instrument lens defogging device, it is characterized by, Include: Surveying instrument (1) and surveying mirror (2); The first ring frame (3) is provided with a micro fan (6) above and a duct (5) connected to the second ring frame (4) on the left side. The first ring frame (3) and the second ring frame (4) are respectively installed on the outer sides of the two lenses of the surveying mirror (2), forming a double-area simultaneous defogging effect. The threaded ring frame (7) is located on the left side of the first ring frame (3), and the inside is provided with an elastic deformation blocking pad (14). The inside of the blocking pad (14) is provided with a hollow cavity (15). The combination of the blocking pad (14) and the hollow cavity (15) is used to adapt to the diameter of the lens frame of the surveying mirror (2), so that the first ring frame (3) is suitable for a variety of different surveying instruments (1).

2. The lens defogging device of the surveying engineering surveying instrument according to claim 1, characterized in that: The left side of the threaded ring frame (7) is provided with a rubber pad (8), and the inner and outer sides of the connection are inclined guide structures.

3. The lens defogging device of the surveying engineering surveying instrument according to claim 1, characterized in that: The outer side of the threaded ring frame (7) is spirally provided with a compression ring (9), and the left side area is a convex plate body mechanism for extruding the outer side of the rubber pad (8) to make it shrink inward.

4. The lens defogging device of the surveying instrument according to claim 1, characterized in that: The inside of the first ring frame (3) is provided with a bidirectional inclined angle double-directional spray groove (10) for forming bidirectional hot air and realizing single-lens double-area defogging effect.

5. The lens defogging device of the surveying engineering surveying instrument according to claim 1, characterized in that: The inside of the first ring frame (3) is provided with an annular air cavity (11), and a heating wire (12) is installed inside.

6. The lens defogging device of the surveying engineering surveying instrument according to claim 5, characterized in that: The adjacent inner side area of the annular air cavity (11) is provided with an arc plate (13) for uniformly dispersing hot air.

7. The lens defogging device of the surveying engineering surveying instrument according to claim 1, characterized in that: The mounting method of the first ring frame (3) and the second ring frame (4) and the surveying mirror (2) is the same.

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