CN215598335U - Vision distance measuring device and temperature measuring sampling measuring gun - Google Patents
Vision distance measuring device and temperature measuring sampling measuring gun Download PDFInfo
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- CN215598335U CN215598335U CN202121956327.8U CN202121956327U CN215598335U CN 215598335 U CN215598335 U CN 215598335U CN 202121956327 U CN202121956327 U CN 202121956327U CN 215598335 U CN215598335 U CN 215598335U
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Abstract
The utility model relates to a visual ranging device and a temperature measuring sampling measuring gun, wherein the visual ranging device is arranged at the rear end of the temperature measuring sampling measuring gun and comprises two groups of camera units arranged left and right and a visual control system; the temperature measurement sampling measuring gun comprises a measuring gun body, a flange mounting seat and the visual ranging device. The utility model can replace manual work to complete the measurement of the distance of the molten steel surface, the determination of the distribution position of slag blocks on the molten steel surface, the detection of the flame of the paper tube and the judgment of the vacant position of the paper tube on the probe holder, can guide the control system of the robot to autonomously decide the position of a temperature measurement sampling point, ensure the consistency of the insertion depth, avoid the damage of the measuring gun caused by touching the slag blocks on the molten steel surface, detect the flame of the probe of the paper tube and guide the control system of the robot to autonomously decide to extinguish a fire.
Description
Technical Field
The utility model belongs to the technical field of metallurgy, and particularly relates to a visual ranging device and a temperature measurement sampling measuring gun.
Background
In the metallurgy production, the temperature of molten metal is measured and sampled in the smelting process so as to judge the process of the metallurgy reaction. The current temperature measurement sampling operation has two forms of manual temperature measurement sampling and automatic device temperature measurement sampling, the manual temperature measurement sampling is difficult to avoid the contact of an operator and high-temperature metal liquid, the production safety is low, the smelting period is long, and the yield improvement and the cost reduction are influenced. Advanced metallurgical production generally employs automated equipment. If the converter for steelmaking adopts the automatic temperature measurement sampling of the sublance, the converter-turning operation is not needed, the smelting period of 2-3 min can be saved, the sublance can rapidly provide the carbon content and the molten steel temperature in the process, the sublance can acquire the data such as the end point carbon content and the oxygen activity data, and the like, thereby being beneficial to smelting high-quality steel, improving the yield and the quality of the steel and reducing the energy consumption and the cost.
The automatic temperature measuring and sampling device replaces manual temperature measuring and sampling and is widely applied to ferrous metallurgy processes of electric furnaces, ladle furnaces, converters and the like. The automatic molten steel temperature measurement sampling device can automatically disassemble and assemble the probe and accurately control the insertion depth, but the failure rate of temperature measurement and sampling of the automatic molten steel temperature measurement sampling device is far higher than that of manual operation. This is because the high temperature melt is likely to form lumps during the metallurgical reaction, which prevents the automatic device from inserting the temperature measuring and sampling probe into the high temperature melt along a fixed path. Particularly, when the temperature measuring sampling probe is inserted into the high-temperature melt, the depth of the measuring point needs to be accurately controlled, and when the liquid level of the high-temperature melt has large change, the accurate position of the liquid level is detected. Therefore, a visual distance measuring device is needed to be designed, the liquid level height of the molten steel can be detected, the insertion depth can be independently determined, the slag block in the insertion area can be identified, and the robot can be guided to avoid cold-avoiding slag blocks.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide a visual distance measuring device and a temperature measuring sampling measuring gun, which are used to solve the problem that a robot in the prior art is difficult to recognize the depth of a measuring point, so that the robot can measure the liquid level height of molten steel in real time, autonomously determine the position of the gun and the height of the gun, ensure the position of the measuring point in the molten steel to be consistent, and ensure the consistency of temperature measuring sampling data.
In order to achieve the above and other related objects, the present invention provides a visual ranging device, which is disposed at the rear end of a temperature measuring sampling and measuring gun, and comprises two sets of left and right camera units and a visual control system, wherein each set of camera unit comprises a camera element and a protective cover, the camera element is fixed in the protective cover, and a lens of the camera element faces the front end of the temperature measuring sampling and measuring gun.
Furthermore, the protective cover is provided with a closed space and a first cable inlet and a first cooling air inlet, and an adjusting space for adjusting the aperture and the focal length of the lens is arranged between the protective cover and the image pickup element; the protective cover is made of metal.
Further, the protection casing is internally communicated with dry cooling gas for cooling the camera element, a transparent lens is arranged at the position of the lens corresponding to the camera element, a plurality of outer nozzles are arranged on the protection casing, and the dry cooling gas flowing out of the outer nozzles is blown onto the lens.
Further, the camera element is an industrial camera.
Furthermore, in the two groups of camera units, one group of camera unit is used as a main-view camera, the other group of camera unit is used as a parallax ranging camera, and the public visual field of the two groups of camera units can cover a target sensitive area.
A thermometric sampling lance comprising: the measuring gun comprises a measuring gun body, a probe connector, a measuring gun extension rod, a measuring gun core pipe, a measuring gun outer pipe and a buffer assembly; the utility model provides a visual range unit, including flange mounting seat and as above, the flange mounting seat links into an organic whole and installs in the end of industrial robot arm with survey rifle body and visual range unit, visual range unit passes through flange mounting seat detachably and connects on surveying the rifle outer tube, survey rifle core pipe and wear to establish in surveying the rifle outer tube along endwise slip, just survey rifle extension rod is connected to the front end of survey rifle core pipe, and buffering subassembly is connected to the rear end, the front end connection probe connector of survey rifle extension rod.
Furthermore, a slag splashing protection plate is arranged on the flange mounting seat and is positioned on the front side of the visual ranging device.
Further, the outer tube of the measuring gun is a hollow square thin-wall tube or a circular thin-wall tube, the buffer assembly is arranged at the rear end of the interior of the outer tube of the measuring gun, and a second cable inlet and a second cooling gas inlet are formed in the rear end of the outer tube of the measuring gun; the inside of the measuring gun core pipe is of a hollow structure, the front end of the measuring gun core pipe is in threaded connection with the measuring gun extension rod, the rear end of the measuring gun core pipe is in threaded connection with the buffering assembly, a cable of the probe connector penetrates through the hollow structure of the measuring gun core pipe, and the cable is connected with the threaded connection position between the measuring gun core pipe and the measuring gun extension rod through a quick-plug connector.
Further, buffer unit includes buffer seat, buffer spring and sliding sleeve, the buffer seat is fixed in the inside of surveying rifle outer tube, the sliding sleeve links to each other with survey rifle core pipe admittedly and slides and set up in the buffer seat, buffer spring's one end is connected on the sliding sleeve, and the other end is connected on the buffer seat.
Furthermore, the temperature measurement sampling measuring gun further comprises a spray pipe outer cover, wherein the spray pipe outer cover is fixedly arranged at the front end of the outer part of the measuring gun outer pipe and corresponds to the joint of the measuring gun extension rod and the measuring gun core pipe.
As mentioned above, the visual ranging device and the temperature measurement sampling measuring gun of the utility model have the following beneficial effects:
the visual distance measuring device replaces manual work to complete the measurement of the distance of the molten steel surface, the determination of the distribution position of slag blocks on the molten steel surface, the detection of the flame of the paper tube and the judgment of the vacant position of the paper tube on the probe frame, the control system of the robot can be guided to independently decide the position of a temperature measurement sampling point, the consistency of the insertion depth is ensured, the measuring gun is prevented from being damaged due to the fact that the measuring gun touches the slag blocks on the molten steel surface, meanwhile, the flame of the probe of the paper tube can also be detected, and the control system of the robot is guided to independently decide to extinguish a fire.
Drawings
FIG. 1 is a schematic structural diagram of a visual ranging apparatus according to an embodiment of the present invention;
FIG. 2 is an isometric view of a thermometric sampling lance employing a visual ranging device in accordance with an embodiment of the present invention;
FIG. 3 is a front view of a temperature measuring sampling gun using a visual ranging apparatus according to an embodiment of the present invention;
FIG. 4 is a top view of a temperature measuring sampling gun using a visual ranging device according to an embodiment of the present invention;
fig. 5 is an enlarged view of the visual ranging apparatus and the buffering assembly of fig. 3.
Description of reference numerals
100-a visual ranging device; 101-a lens; 102-an image pickup element; 103-a protective cover; 104-public view.
10-measuring a gun; 11-probe connector; 111-a resilient pin; 112-a cable; 12-measuring the extension rod of the gun; 121-quick-plug connector; 13-a nozzle housing; 14-measuring the gun core tube; 15-measuring the outer tube of the gun; 16-a cushioning component; 161-a buffer seat; 162-a buffer spring; 163-a sliding sleeve;
20-flange mounting seat; 21-a slag splashing protection plate;
30-paper tube probe.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
In this example, the rear end and the front end are referred to as the distance from the molten metal level in the furnace, the end close to the molten metal level is the front end, and the end far from the molten metal level is the rear end.
Referring to fig. 1, the present invention provides a visual ranging apparatus 100, configured to be disposed at a rear end of a measuring gun 10, where the visual ranging apparatus 100 includes two sets of left and right camera units and a visual control system, each set of the camera units includes a camera element 102 and a protective cover 103, the camera element 102 is fixed in the protective cover 103, and a lens of the camera element 102 faces a front end of the measuring gun 10.
Specifically, in the two groups of camera units, one group of camera units serves as a main view camera, the other group of camera units serves as a parallax distance-measuring camera, and the common visual field 104 of the two groups of camera units can cover a target sensitive area. This kind of structure constitutes binocular vision system through setting up two sets of camera units and realizes binocular vision range finding, and the image that the main view camera was gathered is used for confirming the plane position of steel liquid level slag block, detects paper tube flame, discernment probe frame paper tube empty position etc. and two sets of camera units all can exchange the function.
The shield 103 has a closed space and is provided with a first cable inlet and a first cooling air inlet, and an adjustment space for adjusting the lens aperture and the focal length is provided between the shield 103 and the image pickup element 102. With the structure, the lens aperture and the focal length of the camera element 102 can be conveniently adjusted according to the actual working condition requirements.
In this embodiment, the protective cover 103 is made of metal, so that the image pickup device 102 can be protected from collision damage.
The protection cover 103 is internally communicated with dry cooling gas to cool the image pickup element 102, the protection cover 103 is provided with a transparent lens 101 at a position corresponding to a lens of the image pickup element 102, the protection cover 103 is provided with a plurality of outer nozzles, and the dry cooling gas flowing out of the outer nozzles is blown onto the lens 101. Specifically, the lens 101 is made of quartz glass, and an outer nozzle is arranged for blowing dust on the lens 101, so that the cleanliness of the lens 101 is guaranteed, and the shooting effect is guaranteed. Further, the dry cooling gas also serves to cool the image sensor 102.
In this embodiment, the image pickup device 102 is an industrial camera. The industrial camera is a stable and efficient video image acquisition device applied to an industrial field, can meet the requirements of industrial complex environments, and can stably work for a long time.
The visual ranging device 100 is internally provided with an industrial camera which points to the front end of the measuring gun 10 and starts working when a paper tube probe is close to a molten steel surface before being inserted into the molten steel, so that image information of the molten steel surface is obtained, the height information of the molten steel surface and slag surface information are output to a control system of the robot, the control system of the robot plans the motion track of the measuring gun 10 autonomously, and the robot is guided to avoid slag blocks; the visual distance measuring device 100 is used for identifying whether a paper tube probe is arranged on the extension rod 12 of the measuring gun, so that the measuring gun 10 is prevented from being damaged due to the protection of the paper tube when being inserted into molten steel; when facing the probe frame, the visual ranging device 100 identifies the vacant condition on the probe frame, corrects the manual setting error and avoids the misoperation; the paper tube flame is recognized after the measuring gun 10 is pulled out of the molten steel through the visual distance measuring device 100, information is transmitted to a robot control system, a fire extinguishing control valve of compressed air or high-pressure nitrogen is started and stopped automatically, and open fire generated after a paper tube probe is inserted into the high-temperature molten steel is blown out.
In addition, referring to fig. 2 to 4, the present invention further provides a temperature measurement sampling measuring gun 10, including: the measuring gun comprises a measuring gun body, a probe connector 11, a measuring gun extension rod 12, a measuring gun core tube 14, a measuring gun outer tube 15 and a buffer assembly 16; flange mount 20 and as above vision range unit 100, flange mount 20 links into an integrated entity survey rifle body and vision range unit 100 and installs in the end of industrial robot arm, vision range unit 100 passes through flange mount 20 detachably and connects on survey rifle outer tube 15, survey rifle core pipe 14 along endwise slip wear to establish in survey rifle outer tube 15, just survey rifle extension rod 12 is connected to the front end of survey rifle core pipe 14, and buffer unit 16 is connected to the rear end, the front end of survey rifle extension rod 12 connects probe connector 11.
The two sets of camera units of the visual ranging device 100 are respectively disposed on the left and right sides of the flange mounting base 20, and are fixedly connected to the flange mounting base 20 through bolts. The flange mounting base 20 is used for being connected to the tail end of a multi-joint arm of an industrial robot, a paper tube probe on the measuring gun 10 is directly inserted into molten steel through the spatial motion of the joint arm of the industrial robot, detection information is transmitted through the high-temperature-resistant cable 112, and the functions of measuring the temperature of the molten steel, measuring aluminum and determining oxygen in the molten steel, sampling a steel slag sample, sampling a molten steel gas sample and the like are realized by using sensitive devices of different paper tube probes in sequence. The visual distance measuring device 100 is used for replacing manual work to complete the measurement of the distance of the liquid level of the steel, the determination of the distribution position of slag blocks on the liquid level of the steel, the detection of the flame of the paper tube and the judgment of the idle position of the paper tube on the probe frame; when the visual ranging device 100 detects the flame of the paper tube, the control system of the robot can be guided to autonomously decide whether to introduce cooling gas or not, and autonomous fire extinguishing is realized.
In this embodiment, the flange mounting seat 20 is provided with a slag splashing protection plate 21, and the slag splashing protection plate 21 is located on the front side of the visual ranging device 100. Wherein, the splash protection plate 21 is provided with a light through hole so as to be convenient for the camera lens of the camera shooting unit to take a picture. By adopting the structure, the visual ranging device 100 and the tail end of the robot joint arm can be protected from damaging the visual ranging device 100 and the robot body by high-temperature slag splashed in the metallurgy production process when the tail end of the robot joint arm is close to high-temperature molten steel and is subjected to heat radiation.
The rear end of the measuring gun outer tube 15 is connected with the flange mounting seat 20 through a fastener. Specifically, be equipped with mounting hole and locating hole between flange mount 20 and the survey rifle outer tube 15, be connected flange mount 20 and survey rifle outer tube 15 through connecting bolt and locating pin, when vision range unit 100 need operate the demarcation procedure, can pull down survey rifle 10 from flange mount 20, only carry out spatial motion by the flange mount 20 that the robot body area was installed vision range unit 100, realize the quick demarcation debugging operation of robot hand eye vision.
The measuring gun outer tube 15 is a hollow square thin-wall tube or a circular thin-wall tube, which does not affect the use of the measuring gun 10, and can be specifically set according to actual requirements. And a second cable inlet and a second cooling gas inlet are formed in the rear end of the measuring gun outer tube 15 and are respectively used for connecting a cable and introducing cooling gas.
In this embodiment, the tail of the probe connector 11 of the measuring gun 10 is inserted into the front end of the extension rod 12 of the measuring gun and connected thereto by the elastic pin 111. Thus, the probe connector 11 with the service life expired can be replaced quickly according to actual working conditions.
The measuring gun extension rod 12 is in threaded connection with the measuring gun core tube 14, specifically, the front end of the measuring gun core tube 14 is provided with an internal thread interface to be in threaded connection with the measuring gun extension rod 12, and the rear end of the measuring gun core tube 14 is provided with an external thread interface to be in threaded connection with the buffer component 16. With the structure, the measuring gun core tube 14 can be conveniently and rapidly connected and detached with the measuring gun extension rod 12 and the buffer assembly 16 respectively.
The measuring gun extension rod 12 and the measuring gun core tube 14 are both hollow structures, and the cable 112 of the probe connector 11 is arranged in the hollow structure of the measuring gun core tube 14 in a penetrating mode and penetrates out of the tail portion of the measuring gun 10, so that the cable 112 is protected. Because threaded connection is adopted between the measuring gun extension rod 12 and the measuring gun core tube 14, the cable 112 is connected or disconnected at the threaded connection position between the measuring gun core tube 14 and the measuring gun extension rod 12 by the quick-plug connector 121, and the quick replacement can be conveniently realized when the measuring gun extension rod 12 is damaged.
The measuring gun 10 further comprises a nozzle outer cover 13, and the nozzle outer cover 13 is fixedly arranged at the front end of the outer part of the measuring gun outer tube 15 and corresponds to the joint of the measuring gun extension rod 12 and the measuring gun core tube 14. Specifically, the nozzle cover 13 is detachably disposed outside the measuring gun outer tube 15 and corresponds to the threaded connection between the measuring gun extension rod 12 and the measuring gun core tube 14, so that the quick-plug connector 121 can be prevented from being damaged by heat due to the heat radiation of high-temperature molten steel and splashing of high-temperature slag.
Referring to fig. 5, in the present embodiment, the rear end of the lance core tube 14 is connected to a buffer assembly 16, and the buffer assembly 16 is disposed at the inner rear end of the lance outer tube 15 so as to be protected by the lance outer tube 15. Buffer assembly 16 includes buffer seat 161, buffer spring 162 and sliding sleeve 163, buffer seat 161 is fixed in the inside of survey rifle outer tube 15, sliding sleeve 163 links firmly with survey rifle core pipe 14 and slides and set up in buffer seat 161, buffer spring 162's one end is connected on sliding sleeve 163, and the other end is connected on buffer seat 161. Specifically, the rear end of the gun barrel 14 is fixedly sleeved with the sliding sleeve 163 and is locked by a limiting gasket and a locking nut. With the structure, the buffer spring 162 is utilized to play an axial buffer role on the measuring gun core tube 14, so that the axial impact force on the measuring gun core tube 14 can be buffered, the axial rigidity of the measuring gun 10 is enhanced, and the service life of a consumable part is prolonged.
In summary, in the visual ranging device and the temperature measurement sampling measuring gun provided by the embodiment of the utility model, the visual ranging device replaces manpower to complete the measurement of the distance of the molten steel surface, the determination of the distribution position of slag blocks on the molten steel surface, the detection of paper tube flames and the judgment of the idle position of the paper tube on the probe frame, so that the control system of the robot can be guided to autonomously decide the position of the temperature measurement sampling point, the consistency of the insertion depth is ensured, the measuring gun is prevented from being damaged due to the fact that the measuring gun touches the slag blocks on the molten steel surface, and meanwhile, the flame of the paper tube probe can be detected, and the control system of the robot is guided to autonomously decide to extinguish a fire.
The robot temperature measurement and sampling distance measurement and temperature measurement gun can be arranged on various automatic temperature measurement and sampling devices for high-temperature molten liquid, such as a blast furnace molten iron ditch temperature measurement and sampling device, a molten iron desulphurization station automatic temperature measurement and sampling device, a converter argon blowing wire feeding station automatic temperature measurement and sampling device, an LF refining furnace automatic temperature measurement and sampling device, an RH vacuum furnace automatic temperature measurement and sampling device, a VD vacuum refining furnace automatic temperature measurement and sampling device, an electric furnace automatic temperature measurement and sampling device, a continuous casting machine tundish automatic temperature measurement and sampling device and the like, and has wide application prospect.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a vision range unit, sets up the rear end at temperature measurement sample survey rifle, its characterized in that: the camera shooting device comprises two groups of camera shooting units and a vision control system, wherein the camera shooting units are arranged on the left and right sides of the camera shooting units, each camera shooting unit comprises a camera shooting element and a protective cover, the camera shooting elements are fixed in the protective covers, and the lens of each camera shooting element faces the front end of the temperature measurement sampling measuring gun.
2. A visual ranging apparatus as claimed in claim 1 wherein: the protective cover is provided with a closed space, a first cable inlet and a first cooling air inlet are formed in the protective cover, and an adjusting space for adjusting the aperture and the focal length of the lens is formed between the protective cover and the image pickup element; the protective cover is made of metal.
3. A visual ranging apparatus as claimed in claim 2, characterized in that: the protection casing is internally communicated with dry cooling gas for cooling the camera element, the protection casing is provided with a transparent lens at the position corresponding to the lens of the camera element, a plurality of outer nozzles are arranged on the protection casing, and the dry cooling gas flowing out of the outer nozzles is blown onto the lens.
4. A visual ranging apparatus as claimed in claim 1 wherein: the camera element adopts an industrial camera.
5. A visual ranging apparatus as claimed in claim 1 wherein: in the two groups of camera units, one group of camera units is used as a main-view camera, the other group of camera units is used as a parallax ranging camera, and the public visual fields of the two groups of camera units can cover a target sensitive area.
6. The utility model provides a temperature measurement sample survey rifle which characterized in that includes: the measuring gun comprises a measuring gun body, a probe connector, a measuring gun extension rod, a measuring gun core pipe, a measuring gun outer pipe and a buffer assembly; the visual ranging device comprises a flange mounting seat and the visual ranging device as claimed in any one of claims 1 to 5, wherein the flange mounting seat connects the gun body and the visual ranging device into a whole and is arranged at the tail end of an industrial robot arm, the visual ranging device is detachably connected to an outer gun tube through the flange mounting seat, a gun core tube is axially and slidably arranged in the outer gun tube in a penetrating mode, the front end of the gun core tube is connected with a gun extension rod, the rear end of the gun core tube is connected with a buffering assembly, and the front end of the gun extension rod is connected with a probe connector.
7. The thermometric sampling lance of claim 6 wherein: and a slag splashing protection plate is arranged on the flange mounting seat and is positioned on the front side of the visual ranging device.
8. The thermometric sampling lance of claim 6 wherein: the outer tube of the measuring gun is a hollow square thin-wall tube or a round thin-wall tube, the buffer assembly is arranged at the rear end of the interior of the outer tube of the measuring gun, and the rear end of the outer tube of the measuring gun is also provided with a second cable inlet and a second cooling gas inlet; the inside of the measuring gun core pipe is of a hollow structure, the front end of the measuring gun core pipe is in threaded connection with the measuring gun extension rod, the rear end of the measuring gun core pipe is in threaded connection with the buffering assembly, a cable of the probe connector penetrates through the hollow structure of the measuring gun core pipe, and the cable is connected with the threaded connection position between the measuring gun core pipe and the measuring gun extension rod through a quick-plug connector.
9. The thermometric sampling lance of claim 6 wherein: the buffer assembly comprises a buffer seat, a buffer spring and a sliding sleeve, the buffer seat is fixed in the outer tube of the measuring gun, the sliding sleeve is fixedly connected with the measuring gun core tube and is arranged in the buffer seat in a sliding mode, one end of the buffer spring is connected to the sliding sleeve, and the other end of the buffer spring is connected to the buffer seat.
10. The thermometric sampling lance of claim 6 wherein: the temperature measurement sampling measuring gun further comprises a spray pipe outer cover, wherein the spray pipe outer cover is fixedly arranged at the front end of the outer part of the measuring gun outer pipe and corresponds to the joint of the measuring gun extension rod and the measuring gun core pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121956327.8U CN215598335U (en) | 2021-08-19 | 2021-08-19 | Vision distance measuring device and temperature measuring sampling measuring gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121956327.8U CN215598335U (en) | 2021-08-19 | 2021-08-19 | Vision distance measuring device and temperature measuring sampling measuring gun |
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| Publication Number | Publication Date |
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| CN215598335U true CN215598335U (en) | 2022-01-21 |
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| CN202121956327.8U Active CN215598335U (en) | 2021-08-19 | 2021-08-19 | Vision distance measuring device and temperature measuring sampling measuring gun |
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2021
- 2021-08-19 CN CN202121956327.8U patent/CN215598335U/en active Active
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