Measuring device for distance measurement of electric power engineering
By integrating a small exhaust fan and a dust filter into the laser rangefinder, the measurement accuracy problem caused by dust adsorption was solved, enabling high-precision measurement at the construction site.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-23
- Publication Date
- 2026-03-27
AI Technical Summary
When using laser rangefinders at power engineering construction sites, dust adhering to the outer surface of the lens weakens the laser energy and affects measurement accuracy.
A laser rangefinder with a small exhaust fan and a dust filter was designed. The exhaust fan draws in outside air and sprays multiple streams of air from behind the lens to blow away the surrounding dust and prevent dust from adhering.
This improves the environmental adaptability of the measuring device, prevents dust from affecting measurement accuracy, and ensures the stability of measurement accuracy.
Smart Images

Figure CN224051332U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to distance measurement technology field, concretely is a kind of distance measurement for electric power engineering measuring device. BACKGROUND
[0002] Electric power engineering refers to the engineering technology field related to the production, transmission, distribution and use of electric energy, including power generation, power transmission, power transformation, power distribution and power utilization, and involves planning, design, construction, operation and maintenance of power system;
[0003] In electric power engineering, distance measurement measuring device is an important tool for measuring distance, height, angle and other parameters, widely used in electric power line erection, substation construction, equipment installation, maintenance and repair, etc., the existing, distance measurement measuring device is divided into laser range finder, laser ranging mirror, total station and unmanned aerial vehicle measuring device according to its measuring method and type, and these devices that can be used for measurement in electric power engineering are called a kind of distance measurement measuring device for electric power engineering.
[0004] But when laser ranging mirror is used for measurement in electric power engineering construction site, dust in construction site can be adsorbed on the outer surface of lens, dust adsorbed on the outer surface of lens can block the emission of part of laser, so as to cause laser energy to weaken, finally affect its measurement accuracy;Therefore, it does not meet the existing demand, and we propose a kind of distance measurement measuring device for electric power engineering. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of distance measurement measuring device for electric power engineering to solve the problem that dust in construction site can be adsorbed on the outer surface of lens when laser ranging mirror is used for measurement in electric power engineering construction site, dust adsorbed on the outer surface of lens can block the emission of part of laser, so as to cause laser energy to weaken, finally affect its measurement accuracy.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of distance measurement measuring device for electric power engineering, including laser ranging mirror main body, the one side of laser ranging mirror main body upper end face is fixedly installed with small air extractor, the inside of small air extractor is equipped with dust filter screen, the lower portion of dust filter screen is equipped with funnel shape wind gathering pipe, the lower end surface of funnel shape wind gathering pipe is connected with L-shaped transmission pipe, the rear end surface of L-shaped transmission pipe is connected with shunt pipe, the rear end surface of shunt pipe is fixedly connected with a circular air outlet head on both sides, the rear end surface of circular air outlet head is fixedly equipped with a circle of air outlet pipe;
[0007] The rear of the circular air outlet head is provided with a ranging lens, and the front end face of the ranging lens is provided with a ring of air outlet pipe mounting grooves, the positions and the number of the air outlet pipe mounting grooves correspond to the positions and the number of the air outlet pipes, and the air outlet pipes transversely penetrate the corresponding air outlet pipe mounting grooves.
[0008] Preferably, the outer surface of the ranging lens is sleeved with an internally threaded mounting sleeve through a roller bearing, and the inner side of the internally threaded mounting sleeve is provided with an annular groove located on the outer surface of the ranging lens.
[0009] Preferably, the inner side of the annular groove is provided with an externally threaded fixing sleeve, the front end face of the externally threaded fixing sleeve is fixed with the main body of the laser ranging lens, and the external thread of the externally threaded fixing sleeve matches the internal thread of the internally threaded mounting sleeve.
[0010] Preferably, the outer surface of the internally threaded mounting sleeve is provided with a ring of strip-shaped patterns, and the internally threaded mounting sleeve is integrally made of plastic.
[0011] Preferably, the inner side of the ranging lens is mounted with a plurality of lenses, and the front of the lenses is provided with a laser emitting head located in the inner side of the ranging lens.
[0012] Preferably, the two sides of the small air extractor are provided with a plurality of control buttons mounted on the upper end face of the main body of the laser ranging lens, and the main body of the laser ranging lens and the small air extractor are electrically connected with the control buttons.
[0013] Compared with the prior art, the present application has the following beneficial effects:
[0014] The small air extractor can extract external air and divide the air into a plurality of air flows to be sprayed from the outside of the rear of the lenses, the plurality of air flows sprayed from the outside of the rear of the lenses can blow away the dust close to the periphery of the lenses, so as to prevent the dust at the construction site from being adsorbed on the outer surface of the lenses, thereby preventing the measurement accuracy from being affected. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the whole utility model;
[0016] Figure 2 It is a side view of the whole utility model;
[0017] Figure 3 It is a structural enlarged view of A in the whole utility model Figure 2
[0018] In the figure: 1, laser range finder main body; 2, small exhaust fan; 3, funnel-shaped wind collecting pipe; 4, L-shaped transmission pipe; 5, shunt pipe; 6, circular air outlet head; 7, air outlet pipe; 8, range finder head; 9, air outlet pipe mounting groove; 10, lens; 11, internally threaded mounting sleeve; 12, externally threaded fixing sleeve; 13, control button; 14, strip-shaped pattern; 15, annular groove; 16, laser emission head; 17, dust filter screen. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0020] The laser range finder main body 1 (model number TFN DKI), the small exhaust fan 2 (model number LFB) and the dust filter screen 17 (model number 003) mentioned in the utility model can be obtained by market purchase or private customization.
[0021] Please refer to Figures 1 to 3 The utility model provides an embodiment: a kind of measuring device for ranging of electric power engineering, including laser range finder main body 1, the small exhaust fan 2 of one side fixed mounting on the upper end surface of laser range finder main body 1, the inside of small exhaust fan 2 is equipped with dust filter screen 17, the lower of dust filter screen 17 is equipped with funnel-shaped wind collecting pipe 3, the lower end surface of funnel-shaped wind collecting pipe 3 is connected with L-shaped transmission pipe 4, the rear end surface of L-shaped transmission pipe 4 is connected with shunt pipe 5, the rear end surface of shunt pipe 5 both sides are fixedly connected with a circular air outlet head 6, the rear end surface of circular air outlet head 6 is fixed with a circle of air outlet pipe 7;
[0022] The rear of circular air outlet head 6 is equipped with range finder head 8, the front end surface of range finder head 8 is equipped with a circle of air outlet pipe mounting groove 9, the position and quantity of air outlet pipe mounting groove 9 are corresponding with the position and quantity of air outlet pipe 7, and air outlet pipe 7 transversely penetrates corresponding air outlet pipe mounting groove 9.
[0023] The both sides of small exhaust fan 2 are equipped with multiple control buttons 13 installed on the upper end surface of laser range finder main body 1, and laser range finder main body 1 and small exhaust fan 2 are electrically connected with control button 13;Range finder head 8 is equipped with multiple lenses 10 in the inside, and the front of lens 10 is equipped with laser emission head 16 in the inside of range finder head 8;Laser range finder main body 1 and small exhaust fan 2 can be controlled by control button 13, when needing to measure operation, start laser emission head 16, and range finder head 8 is aimed at the building to be measured;
[0024] When the laser rangefinder main body 1 is used for measurement operation at the construction site, the small air extractor 2 is started to extract air outside and conduct it into the inside of the funnel-shaped air collecting pipe 3, the air flow entering the inside of the funnel-shaped air collecting pipe 3 will enter the inside of the shunt pipe 5 through the L-shaped transmission pipe 4, the air flow entering the inside of the shunt pipe 5 will enter the inside of the two circular air outlet heads 6 installed on the rear end face of the shunt pipe 5 respectively, and the air flow entering the inside of the circular air outlet head 6 will be sprayed from the outside behind the lens 10 inside the rangefinder head 8 through the air outlet pipe 7 installed on the rear end face of the circular air outlet head 6, and the dust near the lens 10 can be blown away by the multiple air flows sprayed from the outside behind the lens 10, so as to prevent the dust at the construction site from being adsorbed on the outer surface of the lens 10, thereby affecting the measurement accuracy, and the environmental adaptability of the equipment is improved, and the influence of the dust outside on the measurement accuracy can be prevented.
[0025] The dust filter screen 17 fixed in the small air extractor 2 can filter out the dust in the air flow extracted by the small air extractor 2, so as to prevent the air flow sprayed from the air outlet pipe 7 from mixing with dust.
[0026] The outer surface of the rangefinder head 8 is sleeved with an internally threaded mounting sleeve 11, the inner side of the internally threaded mounting sleeve 11 is provided with an annular groove 15 on the outer surface of the rangefinder head 8, the inside of the annular groove 15 is provided with an externally threaded fixing sleeve 12, the front end face of the externally threaded fixing sleeve 12 is fixed with the laser rangefinder main body 1, and the external threads of the externally threaded fixing sleeve 12 match the internal threads of the internally threaded mounting sleeve 11, when the rangefinder head 8 is installed, a circle of air outlet pipes 7 fixed on the rear end face of the circular air outlet head 6 is aligned with a circle of air outlet pipe mounting grooves 9 on the front end face of the rangefinder head 8, and the rangefinder head 8 is pushed forward, and the air outlet pipes 7 will be inserted into the inside of the air outlet pipe mounting grooves 9 as the rangefinder head 8 advances.
[0027] As the rangefinder head 8 advances, the internally threaded mounting sleeve 11 sleeved on the outer surface of the rangefinder head 8 will contact the externally threaded fixing sleeve 12 fixed with the laser rangefinder main body 1, after the two are in contact, the internally threaded mounting sleeve 11 is manually rotated, under the driving of the threaded structure, the internally threaded mounting sleeve 11 will gradually sleeve the outer surface of the externally threaded fixing sleeve 12, when the externally threaded fixing sleeve 12 completely enters the inside of the annular groove 15 on the outer surface of the rangefinder head 8, and the rangefinder head 8 cannot be moved forward any more, the installation of the rangefinder head 8 is completed.
[0028] When the distance measuring lens 8 needs to be removed, the inner threaded mounting sleeve 11 is rotated reversely, when the inner threaded mounting sleeve 11 is reversely rotated, the inner threaded mounting sleeve 11 will be gradually removed from the outer surface of the outer threaded fixing sleeve 12 under the driving of the threaded structure, when the inner threaded mounting sleeve 11 is completely removed from the outer threaded fixing sleeve 12, the fixing of the distance measuring lens 8 is released;
[0029] When the inner threaded mounting sleeve 11 is rotated, the distance measuring lens 8 will not rotate with it through the roller bearing structure between the inner threaded mounting sleeve 11 and the distance measuring lens 8, through the structure, the air outlet pipe 7 inserted into the air outlet pipe mounting groove 9 can be prevented from clamping the inner threaded mounting sleeve 11, so that the inner threaded mounting sleeve 11 cannot rotate.
[0030] The outer surface of the inner threaded mounting sleeve 11 is provided with a ring-shaped stripe 14, and the inner threaded mounting sleeve 11 is integrally made of plastic, through the ring-shaped stripe 14 on the outer surface of the inner threaded mounting sleeve 11, the inner threaded mounting sleeve 11 can be more easily rotated.
[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
Claims
1. A measuring device for distance measurement in electric power engineering, comprising a laser distance measuring mirror body (1), characterized in that: The small exhaust fan (2) is fixedly installed on one side of the upper end face of the laser range finder mirror body (1), the inside of the small exhaust fan (2) is provided with a dust filter screen (17), the lower side of the dust filter screen (17) is provided with a funnel-shaped air collecting pipe (3), the lower end face of the funnel-shaped air collecting pipe (3) is connected with an L-shaped transmission pipe (4), the rear end face of the L-shaped transmission pipe (4) is connected with a shunt pipe (5), the rear end face of the shunt pipe (5) is fixedly connected with a circular air outlet head (6) on both sides, and the rear end face of the circular air outlet head (6) is fixedly provided with a ring-shaped air outlet pipe (7). The rear of the circular air outlet head (6) is provided with a range finder lens (8), the front end face of the range finder lens (8) is provided with a ring-shaped air outlet pipe mounting groove (9), the position and number of the air outlet pipe mounting groove (9) correspond to the position and number of the air outlet pipe (7), and the air outlet pipe (7) transversely penetrates the corresponding air outlet pipe mounting groove (9).
2. The measurement device for ranging in electric power engineering according to claim 1, characterized in that The outer surface of the range finder lens (8) is sleeved with an internally threaded mounting sleeve (11) through a roller bearing, the inside of the internally threaded mounting sleeve (11) is provided with an annular groove (15) located on the outer surface of the range finder lens (8).
3. The measurement device for distance measurement in electric power engineering according to claim 2, characterized in that: The inside of the annular groove (15) is provided with an externally threaded fixing sleeve (12), the front end face of the externally threaded fixing sleeve (12) is fixedly connected with the laser range finder mirror body (1), and the external thread of the externally threaded fixing sleeve (12) is matched with the internal thread of the internally threaded mounting sleeve (11).
4. The measurement device for distance measurement in electric power engineering according to claim 3, characterized in that: The outer surface of the internally threaded mounting sleeve (11) is provided with a ring-shaped strip-shaped pattern (14), and the internally threaded mounting sleeve (11) is integrally made of plastic.
5. The measurement device for ranging in power engineering according to claim 1, characterized in that: The inside of the range finder lens (8) is provided with a plurality of lenses (10), and the front of the lens (10) is provided with a laser emitting head (16) located in the inside of the range finder lens (8).
6. The measurement device for ranging in power engineering according to claim 1, characterized in that: The two sides of the small exhaust fan (2) are provided with a plurality of control buttons (13) mounted on the upper end face of the laser range finder mirror body (1), and the laser range finder mirror body (1) and the small exhaust fan (2) are electrically connected with the control buttons (13).