Instrument nixie tube recognition device

Through the combination of rotary positioning device and visual recognition device, the problem of cumbersome assembly of digital tubes is solved, an efficient automated recognition process is realized, and the recognition efficiency of digital tubes is improved.

CN223193361UActive Publication Date: 2025-08-05ZHUHAI FUYUAN ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202521333056.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-27
Publication Date
2025-08-05
Estimated Expiration
2035-06-27

AI Technical Summary

Technical Problem

In the prior art, the assembly process of digital tubes and fixtures is complicated, resulting in inefficient identification and serious waste of disassembly and assembly time.

Method used

The design of a rotary positioning device and a visual recognition device is adopted. Through the cooperation of the rotating disc and the clamping fixture, the digital tube is quickly assembled and identified. The visual recognition device is used to automatically recognize the digital tube inside the clamping fixture, and the assembly and identification process is carried out simultaneously.

Benefits of technology

It improves the recognition efficiency of digital tubes, shortens the overall recognition time, and realizes efficient automated testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nixie tube recognition device for instruments and meters, which comprises a vertical frame, a vertical frame, a first support and a second support, wherein the front surface of the vertical frame is provided with an opening; the rotary positioning device is mounted at the bottom of the opening of the vertical rack; the visual identification device is mounted on the vertical rack, and the visual identification device is positioned above the rotary positioning device; the display screen is installed on the top of the front face of the vertical rack. According to the utility model, the arrangement mode that the rotating disc is matched with the nixie tube clamping jigs is utilized, the nixie tubes can be quickly assembled through the nixie tube clamping jigs, a nixie tube to be detected can be assembled in the clamping jig of the next nixie tube in the identification process, and the nixie tubes can be conveniently and quickly assembled through the arrangement of the nixie tube clamping jigs. The assembling process and the identification process can be carried out synchronously, the overall identification time can be shortened conveniently, and the identification efficiency of the nixie tube is higher.
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Description

Technical Field

[0001] The utility model relates to the field of identification devices, in particular to an identification device for digital tubes of instruments and meters. Background Art

[0002] Machine vision is a comprehensive technology encompassing image processing, mechanical engineering, control, electric lighting, optical imaging, sensors, analog and digital video technology, and computer hardware and software. A typical machine vision application system includes image acquisition, a lighting system, an image digitization module, a digital image processing module, an intelligent decision-making module, and a mechanical control execution module.

[0003] After assembling the digital tube onto the jig and positioning the digital tube, the digital tube is visually identified through a visual device, and automatic testing replaces manual testing, thereby greatly improving production efficiency. In the existing technology for assembling the digital tube and the jig, the digital tube is generally pressed and fixed by a threaded rod to achieve the positioning of the digital tube. However, this threaded positioning method makes the assembly process more complicated, and a lot of time is wasted in the disassembly and assembly of the digital tube, resulting in a lot of time wasted in the entire identification process of the digital tube. Utility Model Content

[0004] The purpose of the utility model is to provide a device for identifying digital tubes of instruments and meters, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for identifying digital tubes of instruments and meters, comprising:

[0006] A vertical frame, wherein the front of the vertical frame is provided with an opening;

[0007] A rotary positioning device, the rotary positioning device being mounted at the bottom of the vertical frame opening;

[0008] A visual recognition device, the visual recognition device is installed on the vertical frame and is located above the rotary positioning device;

[0009] A display screen is installed on the top of the front of the vertical rack.

[0010] Preferably, the rotary positioning device comprises:

[0011] A positioning column, the positioning column is fixedly installed at the bottom of the opening on the vertical frame;

[0012] A rotating disk, the rotating disk being rotatably connected to the positioning column via a bearing;

[0013] A clamping fixture for a digital tube, wherein a plurality of the clamping fixtures for the digital tube are installed on the upper surface of the rotating disk, and the plurality of clamping fixtures for the digital tube are arranged in a ring array;

[0014] The insertion and clamping mechanism is installed at the bottom of the opening on the vertical frame, and is used to position the rotating disk.

[0015] Preferably, the fixture for clamping the digital tube includes:

[0016] A clamping seat, wherein a mounting groove is provided on the top of the clamping seat;

[0017] An elastic support component is installed at the bottom of the assembly slot and is used to elastically support the digital tube;

[0018] A positioning assembly is symmetrically mounted on the top of the clamping seat and is used to position the digital tube;

[0019] The traction assembly is installed inside the clamping seat and is used to pull the positioning assemblies on both sides.

[0020] Preferably, the elastic support assembly includes:

[0021] A carrying plate, the carrying plate being movably arranged inside the assembly groove of the clamping seat;

[0022] The first spring is installed between the supporting plate and the clamping seat, and the first spring is used for elastically supporting the supporting plate.

[0023] Preferably, the positioning component includes:

[0024] Slide plate, grooves are provided on both sides of the top of the clamping seat, and the slide plate slides and intersperses with the inner cavity of the groove;

[0025] A positioning claw connected to a side of the slide plate facing the elastic support assembly;

[0026] A second spring is fixedly installed inside the groove with a guide rod, the second spring is slidably and interlacedly connected with the slide plate, and the second spring is movably sleeved on the outside of the guide rod.

[0027] Preferably, the traction assembly includes:

[0028] a traction rope, one end of which is fixedly connected to the skateboard;

[0029] The winding roller is rotatably arranged inside the clamping seat, and a handle is installed at one end of the winding roller. The handle is rotatably connected to the clamping seat, and the other end of the traction rope is fixedly connected to the winding roller.

[0030] Preferably, the insertion and clamping mechanism includes:

[0031] Ear plates, the ear plates are fixedly mounted parallel to the vertical frame;

[0032] A rocker plate, the rocker plate being hinged to the ear plate via a rotating shaft;

[0033] A card block is fixedly mounted on the bottom of one end of the seesaw. A plurality of card slots are provided on the outer side of the rotating disk. The card block cooperates with the card slots.

[0034] Preferably, the insertion and clamping mechanism further includes:

[0035] A tension spring is connected between the rocker plate and the vertical frame.

[0036] The technical effects and advantages of this utility model are:

[0037] The utility model utilizes a setting mode in which a rotating disk and a clamping jig of a digital tube are matched, and the clamping jig of the digital tube facilitates rapid assembly of the digital tube through the clamping jig of the digital tube, and the visual recognition device directly above the clamping jig of the digital tube facilitates automatic image recognition of the digital tube assembled inside the clamping jig of the digital tube to determine whether the digital tube is complete. During this recognition process, the interior of the clamping jig of the next digital tube can be assembled with the digital tube to be tested. By setting up the clamping jigs of multiple digital tubes, the assembly and recognition processes can be carried out simultaneously, which facilitates shortening the overall recognition time and making the recognition efficiency of the digital tube higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 This is a schematic diagram of the front structure of the utility model.

[0039] Figure 2 This is a front structural diagram of the rotary positioning device of the present invention.

[0040] Figure 3 This is a schematic diagram of the internal structure of the rotary positioning device of the present invention.

[0041] Figure 4 This is a schematic diagram of the internal structure of the positioning component of the utility model.

[0042] Figure 5 It is a structural diagram of the rotating disk and the matching state of the utility model.

[0043] Figure 6 It is a schematic diagram of the three-dimensional structure of the insertion and clamping mechanism of the utility model.

[0044] In the figure: 1. Vertical frame; 2. Rotary positioning device; 21. Positioning column; 22. Rotating disk; 221. Card slot; 23. Clamping fixture for digital tube; 231. Clamping seat; 232. Elastic support assembly; 2321. Loading plate; 2322. First spring; 233. Positioning assembly; 2331. Slide plate; 2332. Positioning claw; 2333. Second spring; 234. Traction assembly; 2341. Traction rope; 2342. Winding roller; 24. Interlaced card connection mechanism; 241. Ear plate; 242. Rocker; 243. Card block; 244. Tension spring; 3. Visual recognition device; 4. Display screen. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0046] The utility model provides Figure 1-6The device shown is for identifying digital tubes in instruments and meters, and includes: a vertical frame 1 having an opening on the front; a rotary positioning device 2 mounted at the bottom of the opening in the vertical frame 1; a visual recognition device 3, which operates through the following steps: photographing, feature extraction, matching and identification, and command execution; the visual recognition device 3 is mounted on the vertical frame 1 and is located above the rotary positioning device 2; and a display screen 4 mounted at the top of the front of the vertical frame 1. The rotary positioning device 2 includes: a positioning column 21, which is fixedly mounted on the bottom of the opening on the vertical frame 1; a rotating disk 22, which is rotatably connected to the positioning column 21 through a bearing; a clamping fixture 23 for a digital tube, wherein a plurality of clamping fixtures 23 for digital tubes are mounted on the upper surface of the rotating disk 22, and the clamping fixtures 23 for multiple digital tubes are arranged in a ring array; an interlaced card connection mechanism 24, which is mounted on the bottom of the opening on the vertical frame 1, and the interlaced card connection mechanism 24 is used to position the rotating disk 22. When the digital tube is assembled with the clamping fixture 23 of the digital tube, the digital tube is pressed directly toward the inner cavity of the clamping seat 231, so that the digital tube squeezes the positioning component 233 open and is assembled to the clamping seat 2 The interior of 31 cooperates with the positioning component 233 to extend and position the digital tube to achieve rapid assembly of the digital tube. Through the visual recognition device 3 just above the clamping fixture 23 of the digital tube, it is convenient to automatically image the digital tube assembled inside the clamping fixture 23 of the digital tube to determine whether the digital tube is complete and whether it is qualified, so as to give a voice prompt of "good" or "NG" through the display screen 4, and display the position of the defective product on the display screen 4. During this recognition process, the digital tube to be tested can be assembled inside the clamping fixture 23 of the next digital tube. By setting up multiple clamping fixtures 23 of digital tubes, the assembly and recognition processes can be carried out simultaneously, which is convenient for shortening the overall recognition time and making the recognition efficiency of the digital tube higher.

[0047] Among them, the clamping fixture 23 of the digital tube includes: a clamping seat 231, an assembly groove is opened on the top of the clamping seat 231; an elastic support component 232, the elastic support component 232 is installed at the bottom of the assembly groove, and the elastic support component 232 is used to elastically support the digital tube; a positioning component 233, the positioning component 233 is symmetrically installed on the top of the clamping seat 231, and the positioning component 233 is used to position the digital tube; a traction component 234, the traction component 234 is installed inside the clamping seat 231, and the traction component 234 is used to pull the positioning components 233 on both sides.

[0048] Among them, the elastic support component 232 includes: a supporting plate 2321, which is movably arranged inside the assembly groove of the clamping seat 231; a first spring 2322, which is installed between the supporting plate 2321 and the clamping seat 231, and the first spring 2322 is used to elastically support the supporting plate 2321. The supporting plate 2321 is used to facilitate the support of the digital tube, and the first spring 2322 is used to facilitate the support of the digital tube, so that when assembled inside the assembly groove of the clamping seat 231, it can fit together with the positioning claw 2332, which is convenient for pressing the digital tube upward.

[0049] Specifically, the positioning assembly 233 includes: a slide 2331, grooves are provided on both sides of the top of the clamping seat 231, and the slide 2331 slides and intersperses with the inner cavity of the groove; a positioning claw 2332, the positioning claw 2332 is connected to the side of the slide 2331 facing the elastic support assembly 232; a second spring 2333, a guide rod is fixedly installed inside the groove, the second spring 2333 is slidably and interspersed with the slide 2331, and the second spring 2333 is movably sleeved on the outside of the guide rod, and the sliding and interspersing between the guide rod and the slide 2331 makes the linear motion of the slide 2331 more stable. The top of the positioning claw 2332 is provided with an inclined surface, so that when the digital tube squeezes it, the positioning claw 2332 is pushed open by the component of force until the digital tube is assembled into the clamping seat 231, and it is limited to prevent the digital tube from escaping from the inner cavity of the clamping seat 231 upward.

[0050] Specifically, the traction assembly 234 includes: a traction rope 2341, one end of the traction rope 2341 is fixedly connected to the slide 2331; a winding roller 2342, the winding roller 2342 is rotatably arranged inside the clamping seat 231, and a handle is installed at one end of the winding roller 2342, the handle is rotatably and interlacedly connected with the clamping seat 231, and the other end of the traction rope 2341 is fixedly connected to the winding roller 2342. By rotating the handle, it is convenient to synchronously drive the rotation of the winding roller 2342, so that the winding roller 2342 can rotate and rewind the traction rope 2341, and the length of the traction rope 2341 is shortened to facilitate the traction of the slide 2331 until the positioning claw 2332 no longer positions the digital tube, and the elastic support force of the first spring 2322 is convenient to lift the digital tube upward, so as to facilitate the taking of the digital tube.

[0051] Specifically, the interlaced card connection mechanism 24 includes: an ear plate 241, which is fixedly mounted on the vertical frame 1 in parallel; a seesaw 242, which is hinged to the ear plate 241 through a rotating shaft; a card block 243, which is fixedly mounted on the bottom of one end of the seesaw 242, and a plurality of card slots 221 are opened on the outer side of the rotating disk 22, and the card block 243 cooperates with the card slots 221; a tension spring 244, which is connected between the seesaw 242 and the vertical frame 1, and the number of the card slots 221 is the same as that of the digital tube The number of clamping jigs 23 is the same, so when the clamping block 243 is engaged with the inner cavity of the card slot 221, it is convenient to locate the position of the rotating disk 22, so that when the visual recognition device 3 identifies the digital tube assembled on the clamping jig 23 of the digital tube, the position of the rotating disk 22 is more stable, and the rocker 242 is placed on the rotating disk 22 to prevent the clamping block 243 from being excessively engaged. The elastic tensile force of the tension spring 244 on the rocker 242 facilitates the stable engagement between the clamping block 243 and the card slot 221.

[0052] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A digital tube identification device for instruments and meters, comprising a vertical frame (1), wherein the front of the vertical frame (1) is provided with an opening, characterized in that: Also includes: A rotary positioning device (2), the rotary positioning device (2) being installed at the bottom of an opening of the vertical frame (1), the rotary positioning device (2) comprising: A digital tube clamping jig (23), wherein a plurality of the digital tube clamping jigs (23) are mounted on the upper surface of the rotating disk (22), and the plurality of the digital tube clamping jigs (23) are arranged in a ring array, and the digital tube clamping jigs (23) include: An elastic support component (232), the elastic support component (232) is installed at the bottom of the assembly slot, and the elastic support component (232) is used to elastically support the digital tube; A positioning component (233), the positioning component (233) is symmetrically mounted on the top of the clamping seat (231), and the positioning component (233) is used to position the digital tube; A visual recognition device (3), the visual recognition device (3) being mounted on the vertical frame (1), and the visual recognition device (3) being located above the rotary positioning device (2); A display screen (4), wherein the display screen (4) is mounted on the top of the front of the vertical frame (1).

2. The device for identifying digital tubes of instruments and meters according to claim 1, characterized in that: The rotary positioning device (2) further comprises: A positioning column (21), wherein the positioning column (21) is fixedly mounted on the bottom of the opening of the vertical frame (1); A rotating disk (22), the rotating disk (22) being rotatably connected to the positioning column (21) via a bearing; A plug-in card connection mechanism (24) is installed at the bottom of the opening on the vertical frame (1), and the plug-in card connection mechanism (24) is used to position the rotating disk (22).

3. The device for identifying digital tubes of instruments and meters according to claim 2, characterized in that: The digital tube clamping fixture (23) also includes: A clamping seat (231), wherein a mounting groove is provided on the top of the clamping seat (231); A traction assembly (234) is installed inside the clamping seat (231), and the traction assembly (234) is used to pull the positioning assemblies (233) on both sides.

4. The device for identifying digital tubes of instruments and meters according to claim 1, characterized in that: The elastic support assembly (232) includes: A bearing plate (2321), the bearing plate (2321) being movably arranged inside the assembly groove of the clamping seat (231); A first spring (2322), wherein the first spring (2322) is installed between the supporting plate (2321) and the clamping seat (231), and the first spring (2322) is used for elastically supporting the supporting plate (2321).

5. The device for identifying digital tubes of instruments and meters according to claim 1, characterized in that: The positioning component (233) includes: A slide plate (2331), grooves are provided on both sides of the top of the clamping seat (231), and the slide plate (2331) is slidably interlaced with the inner cavity of the groove; A positioning claw (2332), the positioning claw (2332) being connected to a side of the slide plate (2331) facing the elastic support assembly (232); A second spring (2333) is fixedly installed inside the groove with a guide rod, the second spring (2333) is slidably connected with the slide plate (2331), and the second spring (2333) is movably sleeved on the outside of the guide rod.

6. The device for identifying digital tubes of instruments and meters according to claim 3, characterized in that: The traction assembly (234) includes: A traction rope (2341), one end of which is fixedly connected to the slide plate (2331); A winding roller (2342) is rotatably arranged inside the clamping seat (231), and a handle is installed at one end of the winding roller (2342), the handle is rotatably connected to the clamping seat (231), and the other end of the traction rope (2341) is fixedly connected to the winding roller (2342).

7. The device for identifying digital tubes of instruments and meters according to claim 2, characterized in that: The insertion and clamping mechanism (24) comprises: An ear plate (241), wherein the ear plate (241) is fixedly mounted on the vertical frame (1) in a parallel manner; A seesaw (242), wherein the seesaw (242) is hinged to the ear plate (241) via a rotating shaft; A clamping block (243) is fixedly mounted on the bottom of one end of the seesaw (242); a plurality of clamping slots (221) are provided on the outer side of the rotating disk (22); and the clamping block (243) and the clamping slots (221) cooperate with each other.

8. The device for identifying digital tubes of instruments and meters according to claim 7, characterized in that: The interpenetrating and clamping mechanism (24) further comprises: A tension spring (244) is connected between the rocker plate (242) and the vertical frame (1).