CN112306159B - Data visualization engine display device - Google Patents
Data visualization engine display device Download PDFInfo
- Publication number
- CN112306159B CN112306159B CN202011314616.8A CN202011314616A CN112306159B CN 112306159 B CN112306159 B CN 112306159B CN 202011314616 A CN202011314616 A CN 202011314616A CN 112306159 B CN112306159 B CN 112306159B
- Authority
- CN
- China
- Prior art keywords
- base
- suction
- display device
- filter element
- data visualization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Instrument Panels (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of visual engines, and discloses a data visual engine display device which comprises a base, wherein a suction channel is horizontally arranged in the middle of an inner cavity of the base, filter element installation cavities are horizontally and longitudinally arranged in the inner cavities of the base at the left end part and the right end part of the suction channel, and an air filter element is fixedly inserted into the inner cavities of the filter element installation cavities; the left and right parts of the upper part of the base are vertically and fixedly communicated with a suction sleeve. According to the invention, an operator can move the position through the universal wheels at the bottom of the base, and after the position is determined, the clamping bolt is rotated to drive the rubber pad to descend and attach to the bottom surface, so that the anti-skid stability is ensured; when the height of the display needs to be adjusted, the electric push rod drives the cross rod to lift, so that the three displays are driven to adjust the height, and the practicability is improved.
Description
Technical Field
The invention relates to the technical field of visualization engines, in particular to a data visualization engine display device.
Background
At present, the data visualization engine display device is a new generation revolutionary information technology taking data as an essence, and can drive innovation of ideas, modes, technologies and application practices in the data mining process. The system introduces the concept, development history, market value and related technology of big data systematically, and the core supporting function of the big data on the fields of Chinese informatization construction, smart cities, advertisements, media and the like, and makes preliminary exploration on the data science theory, and the highlighting of the data value, the data acquisition means and the improvement of the data processing technology are the root of the explosion of big data. With the key element of data production, the continuous development of data science and data technology and the deep mining and application of data value, a big data revolution is in progress, which drives the innovation and transformation of various fields such as national strategy and regional economy development, smart city construction, enterprise transformation upgrading, social management, personal work, life and the like. How to truly apply big data and exert the power of the big data is a problem that all people are researching and exploring together at present. The existing data visual display device cannot be used by a user conveniently, and is poor in heat dissipation effect.
In the prior art, if multiple aspects are required to be displayed, three displays are required to be independently installed, so that the problems of inconvenient transportation and angle adjustment are solved, and time and labor are wasted; the heat dissipation mechanism in the prior art is provided with the heat dissipation fan behind each display, so that the energy consumption is high, and the later maintenance is very difficult.
Disclosure of Invention
The invention aims to provide a data visualization engine display device which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a data visualization engine display device comprises a base, wherein a suction channel is horizontally arranged in the middle of an inner cavity of the base, filter element installation cavities are horizontally and longitudinally arranged in the inner cavities of the base at the left end part and the right end part of the suction channel, and an air filter element is fixedly inserted into the inner cavities of the filter element installation cavities;
the left and right parts of the upper part of the base are vertically and upwardly fixedly communicated with a suction sleeve, the suction sleeve is communicated with the filter element installation cavity, and a positioning pipe is vertically and upwardly movably inserted in the inner cavity of the suction sleeve; a negative pressure pump is fixedly arranged at the middle position of the upper part of the base, and a suction port of the negative pressure pump is fixedly communicated with the middle of the upper part of the suction channel;
a cross rod is fixedly connected to the middle position of the two positioning pipes, a substrate is fixedly connected between the upper parts of the two suction sleeves, an electric push rod is vertically and fixedly installed at the middle position of the bottom of the substrate upwards, and the driving end of the electric push rod is vertically and fixedly connected with the middle position of the bottom of the cross rod; a first display is arranged between the upper parts of the two positioning pipes, and the middle positions of the left side wall and the right side wall of the first display are fixedly communicated with the positioning pipes through communicating pipes; two damping bearings that vertically align have been cup jointed on two positioning tube upper portions, are located both sides all are provided with the second display about the first display, two equal fixedly connected with heat dissipation suction hood in second display rear side middle part, heat dissipation suction hood lateral wall fixed intercommunication has the rectangle exhaust column, and rectangle exhaust column tail end fixed intercommunication has the ring pipe, and ring pipe upper portion and damping bearing fixed connection are located a plurality of equal aperture's suction holes have been seted up to the positioning tube lateral wall at ring pipe inner chamber position.
As a preferable implementation mode of the invention, universal wheels are fixedly arranged at four corners of the bottom of the base, clamping bolts are vertically screwed and penetrated through the left and right parts of the base, and rubber pads are fixedly connected to the lower ends of the clamping bolts.
As a preferred embodiment of the invention, a cover plate is fixedly covered at the front part of the filter element installation cavity.
As a preferred embodiment of the invention, an emergency power supply is fixedly arranged on the right side of the upper part of the base, and the emergency power supply is electrically connected with the negative pressure pump, the first display and the two second displays.
As a preferable implementation mode of the invention, a sealing rubber ring is fixedly adhered to the joint of the inner wall of the ring pipe and the positioning pipe.
As a preferable implementation mode of the invention, a rubber ring is fixedly adhered to the joint of the positioning tube and the upper end part of the suction sleeve.
As a preferable implementation mode of the invention, the upper parts of the two clamping bolts are fixedly provided with a crank.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, an operator can move the position through the universal wheels at the bottom of the base, and after the position is determined, the clamping bolt is rotated to drive the rubber pad to descend and attach to the bottom surface, so that the anti-skid stability is ensured; when the height of the display needs to be adjusted, the electric push rod drives the cross rod to lift, so that the three displays are driven to adjust the height, and the practicability is improved.
2. According to the invention, the two second displays are rotated in the positioning tube through the damping bearings to adjust the angle according to the requirement of the display range, so that people with different angles can observe display data, and the problem that the three displays are independently installed in the prior art so as to be inconvenient to transport and adjust the angle is solved.
3. The negative pressure pump works to suck heat to the three displays through the suction channel, the suction sleeve, the positioning tube, the sleeve, the communicating tube and the rectangular exhaust tube, so that the heat dissipation effect is achieved, and the service life of the displays is prolonged.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of a data visualization engine display device according to the present invention;
FIG. 2 is an enlarged schematic view of the data visualization engine display device of FIG. 1;
FIG. 3 is a schematic top view of a positioning tube and a ring tube distribution position of a data visualization engine display device according to the present invention;
fig. 4 is a schematic diagram of a top view structure of a connection between a heat dissipation hood and a second display of a data visualization engine display device according to the present invention.
In the figure: 1. a base; 2. a universal wheel; 3. a rubber pad; 4. an air filter element; 5. a cartridge mounting cavity; 6. a suction channel; 7. a negative pressure pump; 8. an emergency power supply; 9. a cover plate; 10. a positioning tube; 11. a suction cannula; 12. a cross bar; 13. an electric push rod; 14. a substrate; 15. damping bearings; 16. a communicating pipe; 17. a first display; 18. a second display; 19. a ring pipe; 20. a crank; 21. clamping bolts; 22. rectangular exhaust pipes; 23. a heat dissipation suction cover; 24. a suction hole; 25. sealing the rubber ring.
The apparatus of the present invention is available both commercially and by private customization.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention; in the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a data visualization engine display device comprises a base 1, wherein a suction channel 6 is horizontally arranged in the middle of an inner cavity of the base 1, filter element installation cavities 5 are horizontally and longitudinally arranged in the inner cavities of the base 1 at the left end part and the right end part of the suction channel 6, and an air filter element 4 is fixedly inserted into the inner cavity of the filter element installation cavity 5;
the left and right parts of the upper part of the base 1 are vertically and upwardly fixedly communicated with a suction sleeve 11, the suction sleeve 11 is communicated with the filter element installation cavity 5, and a positioning pipe 10 is vertically and upwardly movably inserted in the inner cavity of the suction sleeve 11; a negative pressure pump 7 is fixedly arranged at the middle position of the upper part of the base 1, and a suction port of the negative pressure pump 7 is fixedly communicated with the middle of the upper part of the suction channel 6;
a cross rod 12 is fixedly connected to the middle position of the two positioning pipes 10, a base plate 14 is fixedly connected between the upper parts of the two suction sleeves 11, an electric push rod 13 is vertically and fixedly installed upwards at the middle position of the bottom of the base plate 14, and the driving end of the electric push rod 13 is vertically and fixedly connected with the middle position of the bottom of the cross rod 12; a first display 17 is arranged between the upper parts of the two positioning pipes 10, and the middle positions of the left and right side walls of the first display 17 are fixedly communicated with the positioning pipes 10 through a communicating pipe 16; the upper parts of the two positioning pipes 10 are fixedly sleeved with two damping bearings 15 which are vertically aligned, the second displays 18 are arranged on the left side and the right side of the first display 17, the middle parts of the rear sides of the two second displays 18 are fixedly connected with heat dissipation suction covers 23, the side walls of the heat dissipation suction covers 23 are fixedly communicated with rectangular exhaust pipes 22, the tail ends of the rectangular exhaust pipes 22 are fixedly communicated with a ring pipe 19, the upper parts of the ring pipes 19 are fixedly connected with the damping bearings 15, and a plurality of suction holes 24 with equal aperture are formed in the side walls of the positioning pipes 10 positioned at the inner cavity parts of the ring pipe 19; specific: an operator can move the position through the universal wheel 2 at the bottom of the base 1, and after the position is determined, the clamping bolt 21 is rotated to drive the rubber pad 3 to descend and attach to the bottom surface so as to ensure the anti-skid stability; when the height of the display needs to be adjusted, the electric push rod 13 drives the cross rod 12 to lift up and down, so that the three displays are driven to adjust the height together, and the practicability is improved; according to the requirement of the display range, the two second displays 18 are rotated in the positioning tube 10 through the damping bearing 15 to adjust the angle, so that people with different angles can observe display data, and the problem that the three displays are independently installed in the prior art so as to be inconvenient to transport and adjust the angle is avoided; the negative pressure pump 7 works to suck heat to the three displays through the suction channel 6, the suction sleeve 11, the positioning tube 10, the sleeve 19, the communicating tube 16 and the rectangular exhaust tube 23, so that the heat dissipation effect is achieved, and the service life of the displays is prolonged.
In this embodiment (refer to fig. 1), universal wheels 2 are fixedly mounted at four corners of the bottom of the base 1, clamping bolts 21 are threaded and screwed into the left and right parts of the base 1 vertically downwards, and rubber pads 3 are fixedly connected to the lower ends of the clamping bolts 21.
In this embodiment (refer to fig. 1), a cover plate 9 is fixedly covered on the front part of the filter element installation cavity 5, so as to ensure the sealing effect.
In this embodiment (refer to fig. 1), an emergency power source 8 is fixedly installed on the right side of the upper portion of the base 1, and the emergency power source 8 is electrically connected with the negative pressure pump 7, the first display 17 and the two second displays 18, so that the emergency power source can be used for supplying power when a power failure occurs.
In this embodiment (refer to fig. 2 and 3), a sealing rubber ring 25 is fixedly adhered to the joint between the inner wall of the ring tube 19 and the positioning tube 10, and the sealing rubber ring 25 can achieve air tightness.
In the embodiment, a rubber ring is fixedly adhered to the joint of the upper end part of the positioning tube 10 and the upper end part of the suction sleeve 11, so that the airtight effect of suction is ensured.
In this embodiment (refer to fig. 1), the handles are fixedly mounted on the upper portions of the two clamping bolts 21, so that an operator can conveniently rotate the clamping bolts 21 to lift.
When a data visualization engine display device is used, it should be noted that the present invention is a data visualization engine display device, each component is a general standard component or a component known to a person skilled in the art, and the structure and principle of the component are known to the person skilled in the art through technical manuals or through routine experimental methods.
When the anti-skid device is used, an operator can move the position through the universal wheel 2 at the bottom of the base 1, and after the position is determined, the clamping bolt 21 is rotated to drive the rubber pad 3 to descend and attach to the bottom surface so as to ensure anti-skid stability; when the height of the display needs to be adjusted, the electric push rod 13 drives the cross rod 12 to lift up and down, so that the three displays are driven to adjust the height together, and the practicability is improved; according to the requirement of the display range, the two second displays 18 are rotated in the positioning tube 10 through the damping bearing 15 to adjust the angle, so that people with different angles can observe display data, and the problem that the three displays are independently installed in the prior art so as to be inconvenient to transport and adjust the angle is avoided; the negative pressure pump 7 works to suck heat to the three displays through the suction channel 6, the suction sleeve 11, the positioning tube 10, the sleeve 19, the communicating tube 16 and the rectangular exhaust tube 23, so that the heat dissipation effect is achieved, and the service life of the displays is prolonged.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A data visualization engine display device, characterized in that: the filter comprises a base (1), wherein a suction channel (6) is horizontally arranged in the middle of an inner cavity of the base (1), filter element installation cavities (5) are horizontally and longitudinally arranged in the inner cavities of the base (1) at the left end part and the right end part of the suction channel (6), and an air filter element (4) is fixedly inserted into the inner cavity of the filter element installation cavity (5);
the left and right parts of the upper part of the base (1) are vertically and fixedly communicated with a suction sleeve (11), the suction sleeve (11) is communicated with the filter element installation cavity (5), and a positioning pipe (10) is vertically and movably inserted into the inner cavity of the suction sleeve (11); a negative pressure pump (7) is fixedly arranged in the middle of the upper part of the base (1), and a suction port of the negative pressure pump (7) is fixedly communicated with the middle of the upper part of the suction channel (6);
a cross rod (12) is fixedly connected to the middle position of the two positioning pipes (10), a base plate (14) is fixedly connected between the upper parts of the two suction sleeves (11), an electric push rod (13) is vertically and fixedly installed at the middle position of the bottom of the base plate (14), and the driving end of the electric push rod (13) is vertically and fixedly connected with the middle position of the bottom of the cross rod (12); a first display (17) is arranged between the upper parts of the two positioning pipes (10), and the middle positions of the left and right side walls of the first display (17) are fixedly communicated with the positioning pipes (10) through a communicating pipe (16); two damping bearings (15) that vertical alignment have been cup jointed on two positioning tube (10) upper portion, are located both sides all are provided with second display (18) about first display (17), two equal fixedly connected with heat dissipation suction hood (23) in second display (18) rear side middle part, heat dissipation suction hood (23) lateral wall fixed intercommunication has rectangle exhaust column (22), rectangle exhaust column (22) tail end fixed intercommunication has circle pipe (19), circle pipe (19) upper portion and damping bearing (15) fixed connection, are located a plurality of isoporous suction holes (24) have been seted up to positioning tube (10) lateral wall at circle pipe (19) inner chamber position.
2. A data visualization engine display device as recited in claim 1, wherein: the universal wheels (2) are fixedly installed at four corners of the bottom of the base (1), the universal wheels are located at the left and right parts of the base (1), clamping bolts (21) are vertically screwed and penetrated through the left and right parts of the base, and rubber pads (3) are fixedly connected to the lower end parts of the clamping bolts (21).
3. A data visualization engine display device as recited in claim 1, wherein: a cover plate (9) is fixedly covered at the front part of the filter element installation cavity (5).
4. A data visualization engine display device as recited in claim 1, wherein: the emergency power supply (8) is fixedly arranged on the right side of the upper part of the base (1), and the emergency power supply (8) is electrically connected with the negative pressure pump (7), the first display (17) and the two second displays (18).
5. A data visualization engine display device as recited in claim 1, wherein: and a sealing rubber ring (25) is fixedly adhered to the joint of the inner wall of the ring pipe (19) and the positioning pipe (10).
6. A data visualization engine display device as recited in claim 1, wherein: a rubber ring is fixedly adhered to the joint of the positioning tube (10) and the upper end part of the suction sleeve (11).
7. A data visualization engine display device as recited in claim 2, wherein: the upper parts of the two clamping bolts (21) are fixedly provided with a crank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011314616.8A CN112306159B (en) | 2020-11-21 | 2020-11-21 | Data visualization engine display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011314616.8A CN112306159B (en) | 2020-11-21 | 2020-11-21 | Data visualization engine display device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112306159A CN112306159A (en) | 2021-02-02 |
CN112306159B true CN112306159B (en) | 2023-07-14 |
Family
ID=74335235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011314616.8A Active CN112306159B (en) | 2020-11-21 | 2020-11-21 | Data visualization engine display device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112306159B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5831525A (en) * | 1997-09-18 | 1998-11-03 | Harvey; James C. | Filtered air, temperature controlled removable computer cartridge devices |
CN111045498A (en) * | 2019-03-29 | 2020-04-21 | 淮安信息职业技术学院 | Computer isolatable strengthening cooling device based on automation |
CN210986821U (en) * | 2019-11-05 | 2020-07-10 | 宋岩松 | Artificial intelligence data acquisition protection device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW551545U (en) * | 2002-08-07 | 2003-09-01 | Tzung-Yan Tsai | Structure of power supply |
-
2020
- 2020-11-21 CN CN202011314616.8A patent/CN112306159B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5831525A (en) * | 1997-09-18 | 1998-11-03 | Harvey; James C. | Filtered air, temperature controlled removable computer cartridge devices |
CN111045498A (en) * | 2019-03-29 | 2020-04-21 | 淮安信息职业技术学院 | Computer isolatable strengthening cooling device based on automation |
CN210986821U (en) * | 2019-11-05 | 2020-07-10 | 宋岩松 | Artificial intelligence data acquisition protection device |
Non-Patent Citations (1)
Title |
---|
矿用K38发动机水温高的原因分析及解决方法;莫小强;;科技创新与应用(第20期);全文 * |
Also Published As
Publication number | Publication date |
---|---|
CN112306159A (en) | 2021-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112306159B (en) | Data visualization engine display device | |
CN207116512U (en) | A kind of battery bag of simple installation | |
CN214306102U (en) | A collection system for gathering road traffic flow | |
CN211124544U (en) | Chinese language derived history display appliance | |
CN210090421U (en) | Public place air quality monitoring and display system | |
CN206227953U (en) | Language teaching display device | |
CN114754027A (en) | Mounting bracket and use immersible pump of this mounting bracket | |
CN218277412U (en) | Intelligent digital display column control instrument | |
CN216554263U (en) | High-efficient radiating electric vacuum pump | |
CN211181111U (en) | Wisdom terminal detachable construction is built to vertical party | |
CN212784851U (en) | Charging device for classroom that security performance is high | |
CN214852229U (en) | Wisdom mine centralized control device | |
CN205209922U (en) | Particulate matter management monitoring devices | |
CN212463688U (en) | Big data video image analysis device | |
CN213583425U (en) | Mounting structure of box-type transformer | |
CN211930333U (en) | UPS (uninterrupted Power supply) easy to disassemble | |
CN211690930U (en) | Exhibition partition | |
CN110843814B (en) | Vehicle-mounted loading networking system for high-speed train | |
CN218071607U (en) | Food energy measuring instrument | |
CN216822557U (en) | Lifting and moving popular science patrol exhibition box | |
CN214219302U (en) | Road flatness detection device | |
CN215578916U (en) | Lithium battery convenient to disassemble and assemble for electric bicycle | |
CN213315502U (en) | Pharmacy rubbing crusher structure | |
CN213180917U (en) | Dust sampling device for environment detection | |
CN214643534U (en) | Portable toolbox is used in subway power supply engineering maintenance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |