CN113029004A - High-precision displacement sensor with waterproof function - Google Patents
High-precision displacement sensor with waterproof function Download PDFInfo
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- CN113029004A CN113029004A CN202110363008.4A CN202110363008A CN113029004A CN 113029004 A CN113029004 A CN 113029004A CN 202110363008 A CN202110363008 A CN 202110363008A CN 113029004 A CN113029004 A CN 113029004A
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- displacement sensor
- precision displacement
- sensor body
- mounting
- lens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a high-precision displacement sensor with a waterproof function, which comprises a high-precision displacement sensor body, wherein one end of the high-precision displacement sensor body is provided with a camera, a lens is arranged on the camera, a first sleeve ring component is arranged on the outer side of one end, close to the camera, of the high-precision displacement sensor body, a second sleeve ring component is arranged on one end, far away from the camera, of the high-precision displacement sensor body, a gas conveying pipe is connected between the first sleeve ring component and the second sleeve ring component, and a clear water component is arranged between the first sleeve ring component and the high-precision displacement sensor body, so that when water or dust exists on the surface of the lens, water or dust on the surface of the lens can be cleaned, and the influence of the water or the dust on a measurement result is avoided; the high accuracy displacement sensor body is close to the one end inner wall surface of camera and has seted up the mounting groove, the mounting groove intussuseption is filled with the sealing washer, the lens embedding is installed in the mounting groove.
Description
Technical Field
The invention belongs to the technical field of measuring instruments, and particularly relates to a high-precision displacement sensor with a waterproof function.
Background
The displacement sensor is also called as a linear sensor, and is a metal-induced linear device, and the sensor is used for converting various measured physical quantities into electric quantities. In the production process, the measurement of displacement is generally divided into measurement of physical size and mechanical displacement. The displacement sensor can be divided into an analog type and a digital type according to the conversion form of the measured variable. The analog type can be classified into physical type and structural type. The common displacement sensors are mostly of analog structure type, and include potentiometer type displacement sensors, inductive type displacement sensors, synchro machines, capacitive type displacement sensors, eddy current type displacement sensors, hall type displacement sensors, and the like. An important advantage of digital displacement sensors is the ease of directly feeding the signals into the computer system. The sensor is developed rapidly and is increasingly widely applied.
The invention with the publication number of CN110926346B discloses a high-precision displacement sensor, which comprises a sensor shell, wherein one end of the sensor shell is fixedly provided with a memory, the bottom end of the sensor shell is connected with a slide rail in a sliding manner, the outer side of the sensor shell is connected with a sensor disassembling shell, the other end of the sensor shell is connected with a mounting seat, the sensor shell can be directly moved upwards through a connecting plate, a connecting bolt, a mounting plate, a sliding plate, a telescopic rod and a spring, the telescopic rod and the spring are driven to contract and enter the mounting groove, the sensor shell and the slide rail can be conveniently and rapidly separated, the position of a protective cover can be adjusted through a fixed knob, a rotating rod, the protective cover and a cotton pad, the protective cover is used for coating and protecting a camera, and the camera; the invention at least comprises the following disadvantages: 1. when the displacement sensor is used, if the displacement sensor is in a humid external environment, parts are easy to be affected with damp, so that the normal use and the service life of the sensor are influenced; 2. in the use of the high-precision sensor, water stain and dust on the surface of the lens easily interfere the measurement of the high-precision sensor, so that the measurement result is inaccurate.
Disclosure of Invention
The invention aims to provide a high-precision displacement sensor with a waterproof function.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a high accuracy displacement sensor with waterproof function, includes the high accuracy displacement sensor body, the one end of high accuracy displacement sensor body is provided with the camera, install the lens on the camera, the one end outside that the high accuracy displacement sensor body is close to the camera is provided with first lantern ring subassembly, the one end that the camera was kept away from to the high accuracy displacement sensor body is provided with the second lantern ring subassembly, be connected with the gas-supply pipe between first lantern ring subassembly and the second lantern ring subassembly, be provided with the clear water subassembly between first lantern ring subassembly and the high accuracy displacement sensor body, the mounting groove has been seted up to the one end inner wall surface that the high accuracy displacement sensor body is close to the camera, the mounting groove intussuseption is filled with the sealing washer, the lens embedding is.
Furthermore, the middle part of the sealing ring is provided with a groove, the lens is matched with the groove, the surface of the inner wall on one side of the groove is provided with a plurality of salient points, and the plurality of salient points are uniformly distributed on the surface of the inner wall on one side of the groove at equal intervals.
Further, the outside surface of high accuracy displacement sensor body is provided with first female screw and second female screw, the downside inner wall of the one end that high accuracy displacement sensor body is close to the camera is down slope form.
Further, first lantern ring subassembly includes first installation piece, the lantern ring, heated warehouses and heating pipe, the inner wall surface of first installation piece is provided with first sub-screw thread, first sub-screw thread uses with first female screw thread mutually supporting, the outside surface at high accuracy displacement sensor body is installed to first installation piece spiro union, the lantern ring is installed to one side of first installation piece, the lantern ring is not laminated with high accuracy displacement sensor body surface, clear water subassembly sets up between the lantern ring and high accuracy displacement sensor body, be provided with heated warehouses in the first installation piece, install the heating pipe in the heated warehouses, be connected with the gas-supply pipe on the heated warehouses, the one end of gas-supply pipe is run through first installation piece and is connected with second lantern ring subassembly.
Further, clear water subassembly includes mounting panel, connecting plate and L template, mounting panel, connecting plate and L template are hollow core plate, the up end fixed connection of mounting panel is on lantern ring inner wall, the one end and the first installation piece of mounting panel are linked together, the other end of mounting panel is connected with the one end of connecting block, the other end and the L template of connecting block are connected, the one end of L template is located high accuracy displacement sensor originally internally and laminates mutually with the lens, a plurality of clear water hole has been seted up to the one end lower surface that the L template was laminated mutually with the lens.
Further, the second sleeve assembly comprises a second mounting block and a turbofan, a second sub thread is arranged on the inner wall surface of the second mounting block, the second sub thread and a second female thread are matched with each other for use, the second mounting block is installed on the high-precision displacement sensor body in a threaded manner, the turbofan is arranged in the second mounting block, the output end of the turbofan is connected with one end of the gas pipe, and the other end of the gas pipe penetrates through the second mounting block to be connected with the first mounting block.
Further, the one end that the camera was kept away from to high accuracy displacement sensor body is provided with the installation base, the mounting hole has been seted up to the both sides of installation base, be provided with controller and signal in the installation base and send out the ware.
The invention has the beneficial effects that:
1. a high-precision displacement sensor with a waterproof function is characterized in that a mounting groove is formed in the inner side of a high-precision displacement sensor body, a sealing ring is filled in the mounting groove, a lens is mounted in the sealing ring, and a plurality of salient points are further arranged on the inner side surface of the sealing ring, so that the lens is more attached to the surface of the sealing ring, and the lens is prevented from loosening under the action of external force, so that the hidden danger of water inflow is avoided;
2. a high-precision displacement sensor with a waterproof function is provided with a clear water assembly, wherein the clear water assembly comprises a mounting plate, a connecting plate and an L-shaped plate, a plurality of clear water holes are formed in the surface of one end of the L-shaped plate, airflow is generated through a turbine fan and enters a heating bin after passing through a gas pipe, the airflow is heated through a heating pipe in the heating bin, the heated airflow enters the clear water assembly and is sprayed out through the clear water holes in the surface of the L-shaped plate, when the surface of a lens is dry, dust on the surface of the lens can be cleaned through the airflow, and therefore the influence of the dust on the surface of the lens on a measurement result is reduced; when there is the water droplet on the lens surface, then blow the below of water droplet to the lens through the hot gas flow to make the water droplet collect in the slope department of high accuracy displacement sensor body inner wall, flow out at last, dry the moisture on lens surface simultaneously, prevent that the lens surface from having water, lead to the measuring result inaccuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a high-precision displacement sensor having a waterproof function;
FIG. 2 is a schematic structural diagram of a clean water assembly of a high-precision displacement sensor with waterproof function;
FIG. 3 is a schematic view of the inner surface of a first collar assembly of a high-precision displacement sensor with waterproof function;
FIG. 4 is a schematic diagram of the internal structure of a first collar assembly of a high-precision displacement sensor with waterproof function;
FIG. 5 is a schematic structural diagram of a high-precision displacement sensor body of a high-precision displacement sensor with waterproof function;
FIG. 6 is a schematic diagram of the internal structure of a sealing ring of a high-precision displacement sensor with waterproof function;
fig. 7 is a schematic view showing an internal structure of a second collar member of a high-precision displacement sensor having a waterproof function.
In the figure: 1. a high-precision displacement sensor body; 101. mounting grooves; 102. a first female thread; 103. a second female thread; 2. a first collar assembly; 201. a first sub-thread; 202. a first mounting block; 203. a collar; 204. a heating chamber; 206. heating a tube; 3. a second collar assembly; 4. a clear water component; 401. mounting a plate; 402. a clean water hole; 403. a connecting plate; 404. an L-shaped plate; 5. a camera; 6. a gas delivery pipe; 7. a lens; 8. installing a base; 801. mounting holes; 9. a seal ring; 91. a groove; 92. salient points; 10. a turbo fan.
Detailed Description
As shown in fig. 1-7, a high-precision displacement sensor with a waterproof function comprises a high-precision displacement sensor body 1, a camera 5 is arranged at one end of the high-precision displacement sensor body 1, a lens 7 is arranged on the camera 5, a first lantern ring assembly 2 is arranged on the outer side of one end of the high-precision displacement sensor body 1 close to the camera 5, a second lantern ring assembly 3 is arranged at one end of the high-precision displacement sensor body 1 far away from the camera 5, a gas pipe 6 is connected between the first lantern ring assembly 2 and the second lantern ring assembly 3, a clear water assembly 4 is arranged between the first lantern ring assembly 2 and the high-precision displacement sensor body 1, an installation groove 101 is formed in the inner wall surface of one end of the high-precision displacement sensor body 1 close to the camera 5, a sealing ring 9 is filled in the installation groove 101, and the lens 7 is embedded in the installation, set up mounting groove 101 in high accuracy displacement sensor body 1 inboard to pack sealing washer 9 in mounting groove 101, install lens 7 in sealing washer 9, and the sealing washer 9 inboard surface still is provided with a plurality of bump 92, thereby makes lens 7 and sealing washer 9's surface laminate more, prevents simultaneously that lens 7 from appearing not hard up under the effect of external force, and cause the hidden danger of intaking.
The middle part of sealing washer 9 is seted up flutedly 91, lens 7 agrees with flutedly mutually, just one side inner wall surface of flutedly 91 is provided with a plurality of bump 92, and a plurality of bump 92 is at the even equidistance distribution of one side inner wall surface of flutedly 91.
The outer side surface of the high-precision displacement sensor body 1 is provided with a first female thread 102 and a second female thread 103, and the inner wall of the lower side of one end, close to the camera 5, of the high-precision displacement sensor body 1 is downward inclined.
First lantern ring subassembly 2 includes first installation piece 202, lantern ring 203, heating chamber 204 and heating pipe 206, the inner wall surface of first installation piece 202 is provided with first sub-screw 201, first sub-screw 201 uses with first female screw 102 mutually supported, the outside surface at high accuracy displacement sensor body 1 is installed to first installation piece 202 spiro union, lantern ring 203 is installed to one side of first installation piece 202, lantern ring 203 and the non-laminating of high accuracy displacement sensor body 1 surface, clear water subassembly 4 sets up between lantern ring 203 and high accuracy displacement sensor body 1, be provided with heating chamber 204 in the first installation piece 202, install heating pipe 206 in the heating chamber 204, be connected with the gas-supply pipe 6 on the heating chamber 204, the one end of gas-supply pipe 6 is run through first installation piece 202 and is connected with second lantern ring subassembly 3.
The second lantern ring assembly 3 comprises a second mounting block and a turbofan 10, wherein a second sub thread is arranged on the surface of the inner wall of the second mounting block, the second sub thread is matched with a second female thread 103 for use, the second mounting block is mounted on the high-precision displacement sensor body 1 in a threaded manner, the turbofan 10 is arranged in the second mounting block, the output end of the turbofan 10 is connected with one end of the gas conveying pipe 6, and the other end of the gas conveying pipe 6 penetrates through the second mounting block to be connected with the first mounting block 202.
The clear water component 4 comprises a mounting plate 401, a connecting plate 403 and an L-shaped plate 404, the mounting plate 401, the connecting plate 403 and the L-shaped plate 404 are hollow plates, the upper end face of the mounting plate 401 is fixedly connected to the inner wall of the lantern ring 203, one end of the mounting plate 401 is communicated with the first mounting block 202, the other end of the mounting plate 401 is connected with one end of the connecting block, the other end of the connecting block is connected with the L-shaped plate 404, one end of the L-shaped plate 404 is located in the high-precision displacement sensor body 1 and is attached to the lens 7, a plurality of clear water holes 402 are formed in the lower surface of one end, attached to the lens 7, of the L-shaped plate 404, airflow is generated through the turbo fan 10, enters the heating bin 204 after passing through the air pipe 6, the airflow is heated through the heating pipe 206 in the heating bin 204, and, the dust is sprayed out through the cleaning holes 402 on the surface of the L-shaped plate 404, when the surface of the lens 7 is dry, the dust on the surface of the lens 7 can be cleaned through air flow, and therefore the influence of the dust on the surface of the lens 7 on the measurement result is reduced; when there is the water droplet on lens 7 surface, then blow the below of water droplet to lens 7 through the hot gas flow to make the water droplet collect in the slope department of high accuracy displacement sensor body 1 inner wall, flow out at last, dry the surperficial moisture of lens 7 simultaneously, prevent that lens 7 surface from having water, lead to the measuring result inaccuracy.
The high-precision displacement sensor comprises a high-precision displacement sensor body 1, and is characterized in that an installation base 8 is arranged at one end, far away from a camera 5, of the high-precision displacement sensor body 1, installation holes 801 are formed in two sides of the installation base 8, a controller and a signal receiving and sending device are arranged in the installation base 8, the controller is CC2640F128RHBT in model, and the signal receiving and sending device is ADM3054BRWZ in model.
The working principle of the invention is as follows: the inner side of the high-precision displacement sensor body 1 is provided with a mounting groove 101, the mounting groove 101 is filled with a sealing ring 9, the lens 7 is mounted in the sealing ring 9, and the inner side surface of the sealing ring 9 is also provided with a plurality of salient points 92, so that the surfaces of the lens 7 and the sealing ring 9 are more attached, and meanwhile, the lens 7 is prevented from loosening under the action of external force, so that the hidden danger of water inflow is avoided; the clear water assembly 4 comprises an installation plate 401, a connection plate 403 and an L-shaped plate 404, a plurality of clear water holes 402 are formed in the surface of one end of the L-shaped plate 404, airflow is generated through the turbo fan 10, the airflow enters the heating bin 204 after passing through the air conveying pipe 6, the airflow is heated through the heating pipe 206 in the heating bin 204, the heated airflow enters the clear water assembly 4 and is sprayed out through the clear water holes 402 in the surface of the L-shaped plate 404, when the surface of the lens 7 is dry, dust on the surface of the lens 7 can be cleaned through the airflow, and therefore the influence of the dust on the surface of the lens 7 on a measurement result is reduced; when there is the water droplet on lens 7 surface, then blow the below of water droplet to lens 7 through the hot gas flow to make the water droplet collect in the slope department of high accuracy displacement sensor body 1 inner wall, flow out at last, dry the surperficial moisture of lens 7 simultaneously, prevent that lens 7 surface from having water, lead to the measuring result inaccuracy.
The foregoing is illustrative and explanatory of the structure of the invention, and various modifications, additions or substitutions in a similar manner to the specific embodiments described may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the claims. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Claims (7)
1. A high-precision displacement sensor with a waterproof function comprises a high-precision displacement sensor body (1) and is characterized in that a camera (5) is arranged at one end of the high-precision displacement sensor body (1), a lens (7) is mounted on the camera (5), a first sleeve assembly (2) is arranged on the outer side of one end, close to the camera (5), of the high-precision displacement sensor body (1), a second sleeve assembly (3) is arranged at one end, far away from the camera (5), of the high-precision displacement sensor body (1), a gas pipe (6) is connected between the first sleeve assembly (2) and the second sleeve assembly (3), a water cleaning assembly (4) is arranged between the first sleeve assembly (2) and the high-precision displacement sensor body (1), and a mounting groove (101) is formed in the inner wall surface of one end, close to the camera (5), of the high-precision displacement sensor body (1), the mounting groove (101) is filled with a sealing ring (9), and the lens (7) is embedded in the mounting groove (101).
2. The high-precision displacement sensor with the waterproof function according to claim 1, wherein a groove (91) is formed in the middle of the sealing ring (9), the lens (7) is fitted with the groove (91), a plurality of protruding points (92) are arranged on the inner wall surface of one side of the groove (91), and the plurality of protruding points (92) are uniformly and equidistantly distributed on the inner wall surface of one side of the groove (91).
3. The high-precision displacement sensor with the waterproof function according to claim 1, wherein the outer side surface of the high-precision displacement sensor body (1) is provided with a first female thread (102) and a second female thread (103), and the inner wall of the lower side of one end of the high-precision displacement sensor body (1) close to the camera (5) is downward inclined.
4. The high-precision displacement sensor with the waterproof function according to claim 1, wherein the first collar assembly (2) comprises a first mounting block (202), a collar (203), a heating chamber (204) and a heating pipe (206), the inner wall surface of the first mounting block (202) is provided with a first sub-thread (201), the first sub-thread (201) is used in cooperation with a first female thread (102), the first mounting block (202) is installed on the outer side surface of the high-precision displacement sensor body (1) in a threaded manner, the collar (203) is installed on one side of the first mounting block (202), the collar (203) is not attached to the surface of the high-precision displacement sensor body (1), the clean water assembly (4) is arranged between the collar (203) and the high-precision displacement sensor body (1), the heating chamber (204) is arranged in the first mounting block (202), install heating pipe (206) in heating storehouse (204), be connected with air-supply pipe (6) on heating storehouse (204), the one end of air-supply pipe (6) is run through first installation piece (202) and is connected with second lantern ring subassembly (3).
5. The high-precision displacement sensor with waterproof function according to claim 4, the clear water component (4) comprises a mounting plate (401), a connecting plate (403) and an L-shaped plate (404), the mounting plate (401), the connecting plate (403) and the L-shaped plate (404) are all hollow plates, the upper end surface of the mounting plate (401) is fixedly connected to the inner wall of the lantern ring (203), one end of the mounting plate (401) is communicated with the first mounting block (202), the other end of the mounting plate (401) is connected with one end of a connecting block, the other end of the connecting block is connected with an L-shaped plate (404), one end of the L-shaped plate (404) is positioned in the high-precision displacement sensor body (1) and is jointed with the lens (7), a plurality of water cleaning holes (402) are formed in the lower surface of one end, attached to the lens (7), of the L-shaped plate (404).
6. The high-precision displacement sensor with the waterproof function according to claim 4, wherein the second collar assembly (3) comprises a second mounting block and a turbofan (10), a second sub thread is arranged on the inner wall surface of the second mounting block and is matched with the second female thread (103) for use, the second mounting block is mounted on the high-precision displacement sensor body (1) in a threaded manner, the turbofan (10) is arranged in the second mounting block, the output end of the turbofan (10) is connected with one end of the air conveying pipe (6), and the other end of the air conveying pipe (6) penetrates through the second mounting block and is connected with the first mounting block (202).
7. The high-precision displacement sensor with the waterproof function according to claim 1, wherein a mounting base (8) is arranged at one end of the high-precision displacement sensor body (1) far away from the camera (5), mounting holes (801) are formed in two sides of the mounting base (8), and a controller and a signal transceiver are arranged in the mounting base (8).
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| CN202110363008.4A CN113029004B (en) | 2021-04-02 | 2021-04-02 | High-precision displacement sensor with waterproof function |
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| CN202110363008.4A CN113029004B (en) | 2021-04-02 | 2021-04-02 | High-precision displacement sensor with waterproof function |
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| CN212781635U (en) * | 2020-07-24 | 2021-03-23 | 四川芯合利诚科技有限公司 | Be used for unmanned vehicle camera lens dehydrating unit |
| CN111932907A (en) * | 2020-08-17 | 2020-11-13 | 许昌学院 | Vehicle speed detection device |
| CN112165569A (en) * | 2020-11-26 | 2021-01-01 | 南京源自飞网络科技有限公司 | Outdoor camera |
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| Publication number | Publication date |
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| CN113029004B (en) | 2022-09-13 |
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