CN113834958B - GIS combined electrical apparatus sensor fixing device - Google Patents
GIS combined electrical apparatus sensor fixing device Download PDFInfo
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- CN113834958B CN113834958B CN202111115702.0A CN202111115702A CN113834958B CN 113834958 B CN113834958 B CN 113834958B CN 202111115702 A CN202111115702 A CN 202111115702A CN 113834958 B CN113834958 B CN 113834958B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The application belongs to the technical field of GIS combined electrical apparatus detection equipment, and particularly relates to a GIS combined electrical apparatus sensor fixing device, which comprises a mounting cylinder, an angle control component, an elastic connection component and a sensor connection component, wherein the angle control component, the elastic connection component and the sensor connection component are arranged in the mounting cylinder; the angle control assembly includes: the device comprises a connecting piece, a permanent magnet and a supporting bowl; the elastic connection assembly includes: t-shaped ornament, reset spring and extension spring; the sensor connection assembly includes: a connecting cylinder and an elastic bag sleeve; the connecting cylinder comprises a cylinder body for installing the sensor and a connecting ring sleeve arranged at the bottom of the cylinder body, and the connecting ring sleeve is sleeved at the upper end of the control rod. The GIS combined electrical apparatus sensor fixing device of this application structure is light and handy, assembly convenient to use, can be convenient fix the sensor with support on GIS combined electrical apparatus surface, simultaneously through inside support and angle control structure and permanent magnet, can make the directional tubular structure axis department of tubular installation cavity as far as, improves data acquisition's efficiency.
Description
Technical Field
The application relates to the technical field of GIS combined electrical apparatus detection equipment, in particular to a GIS combined electrical apparatus sensor fixing device.
Background
The GIS combined electrical apparatus is an electrical apparatus with a fully-closed structure and filled with pressurized insulating gas, and has good insulating property due to the fully-closed structure, but cannot directly observe and analyze the working state and fault problems of internal components and parts, so that in the working processes of actual inspection, fault investigation and the like, the internal working state is generally obtained by adopting a mode of indirectly measuring and analyzing by adopting modes of collecting various pulses, magnetic fields and the like by a sensor.
In the use process of the sensor, an operator is generally required to hold an operation rod and other devices to fix and support the sensor on the surface of the GIS combined electrical apparatus for measurement, but partial data are required to be measured continuously or repeatedly, so that the operator needs to keep the support action for a long time, people are tired easily, and the influence of adverse factors such as vibration of human bodies and the environment is easily transmitted to the sensor, so that data distortion is caused, and the final measurement result is influenced.
Disclosure of Invention
In view of this, the purpose of this application is to provide a GIS combined electrical apparatus sensor fixing device, can be in GIS combined electrical apparatus detects and maintains the in-process, and the simplification sensor supports the box and fixes, reduces the artificial factor and interferes with, guarantees simultaneously that the sensor can be as much better as possible aim at the pipe shaft axis direction, improves measurement accuracy, reduces the interference.
In order to achieve the technical purpose, the application provides a GIS combined electrical apparatus sensor fixing device, which comprises a mounting cylinder 1, an angle control component, an elastic connection component and a sensor connection component, wherein the angle control component, the elastic connection component and the sensor connection component are arranged in the mounting cylinder 1;
the installation cylinder 1 is a cylinder with an opening at the upper side, the cylinder body of the installation cylinder 1 consists of an outer shell 10 and an inner shell 11, and the outer shell 10 and the inner shell 11 are connected through a bottom plate at the bottom; the outer side of the outer shell 10 is provided with a plurality of mounting tables 10a in an annular array, the mounting tables are provided with through holes 10b in the vertical direction, the through holes are provided with sliding grooves 10c towards the central shaft of the mounting cylinder 1, and the sliding grooves 10c are arranged along the vertical direction and penetrate through the inner shell 11; the bottom of the mounting cylinder 1 is provided with a mounting groove;
the angle control assembly includes: a connection member 20 slidably disposed in the through hole 10b and the sliding groove 10c, a permanent magnet 21 fixed to the connection member 20 and slidable up and down along the through hole 10b, and a support bowl 22 disposed in the mounting groove;
one end of the connecting piece 20 is connected with the permanent magnet 21, and the other end of the connecting piece extends into the inner shell 11 to form a driving arm 20a;
the lower side of the driving arm 20a is provided with a connecting end 20b, and a permanent magnet 21 is arranged in the through hole 10b in a rod-shaped and slidable manner;
the lower end of the permanent magnet 21 is connected with the connecting piece 20;
the support bowl 22 is embedded in the mounting groove, and a groove is formed in the upper side of the support bowl 22;
the elastic connection assembly includes: a T-shaped swing piece 30 movably arranged in the groove, a return spring 31 arranged between the T-shaped swing piece 30 and the bottom of the mounting cylinder 1, and a tension spring 32 arranged between the T-shaped swing piece 30 and the connecting piece 20;
the T-shaped swinging piece 30 comprises a contact bowl 30a with the bottom in sliding contact with the support bowl 22 and a control rod 30b which is arranged at the center of the upper side of the contact bowl 30a and is vertically upwards, the edge of the contact bowl 30a is provided with a plurality of connecting lugs 30c in a ring-shaped array manner, two ends of the extension spring 32 are respectively connected with the connecting lugs 30c and the connecting ends 20b, the upper end of the return spring is connected to the bottom of the contact bowl 30a, and the lower end of the return spring is connected to the mounting cylinder 1;
the sensor connection assembly includes: a connecting tube 40 and an elastic bag cover 41; the connecting cylinder 40 comprises a cylinder body 40a for installing a sensor and a connecting ring sleeve 40b arranged at the bottom of the cylinder body, and the connecting ring sleeve 40b is sleeved at the upper end of the control rod 30 b; a positioning ring table 40c and a limiting ring table 40d are sequentially arranged on the outer circular surface of the cylinder body 40a from top to bottom; the elastic bag sleeve 41 is buckled at the opening at the upper end of the mounting cylinder 1 in a bowl shape, and the lower end of the elastic bag sleeve 41 is provided with an opening and sleeved at the lower edge of the positioning ring table 40 c; the lower edge of the limiting ring table 40d abuts against the upper side of the driving arm 20 a.
Further improvement or optimization of the sensor fixing device of the GIS is that the upper end of the inner shell 11 is an inward inclined surface 11e, and the inclined surface is attached to the elastic bag sleeve 41;
between the inner housing 11 and the outer housing 10, rib plates 11f are provided at corresponding positions on both sides of the slide groove 10 c; the inner side and the outer side of the rib plate 10f are respectively connected with the inner wall of the outer shell 10 and the outer wall of the inner shell 11, and the sliding groove 10c is surrounded by the rib plates 11f on two sides; the rib plates on two adjacent sliding grooves and the shell walls of the inner shell and the outer shell enclose a plurality of mounting cavities 10g; the installation cavity 10g is filled with a magnetic shielding material.
Further improvement or preference of the GIS combined electrical apparatus sensor fixing device, the elastic bag sleeve 41 includes an upper connecting portion 41a at the top, a lower connecting portion 41b at the bottom, and a tapered stretching portion 41c disposed between the upper connecting portion and the lower connecting portion; the lower edge of the upper connecting portion 41a is provided with a plurality of fitting portions 41d, and the fitting portions 41d are shaped and sized to fit into the upper end openings of the mounting chambers 10 g.
Further improvement or optimization of the sensor fixing device of the GIS, the part of the connecting piece 20 in the through hole 10b is -shaped and comprises two parallel supporting arms 20e;
the support arm at the upper side is provided with a large hole 20f, and the support arm at the lower side is provided with a step hole 20g;
the device also comprises an adjusting piece 5 and an adjusting screw 6, wherein the adjusting piece 5 is clamped between the two supporting arms, the adjusting piece 5 is of a cylindrical structure, two ends of the adjusting piece are provided with protruding parts which can be inserted into a large hole 20f and a step hole 20g, and the hole wall at the lower end of the step hole is provided with internal threads;
the permanent magnet 21 is movably arranged in the middle of the adjusting piece 5, and a screw hole is formed in the lower end of the permanent magnet 21;
the adjusting screw extends into the lower end of the through hole 10b and is sequentially connected with an internal thread in the wall of the lower end of the step hole and a screw hole at the lower end of the permanent magnet 21 in a matching way.
The beneficial effects are that:
the GIS combined electrical apparatus sensor fixing device is light and handy in structure, convenient to assemble and use, capable of conveniently fixing and supporting a sensor on the surface of a GIS combined electrical apparatus, capable of enabling the axis of a tubular object mounted on a connecting cylinder to point to the central axis position of the mounting cylinder as much as possible through an internal supporting and angle controlling structure and a permanent magnet, and capable of improving the efficiency and accuracy of data acquisition.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is an assembly diagram of a sensor fixing device of a GIS combined electrical apparatus according to an embodiment of the present application;
fig. 2 is a cross-sectional view of a sensor fixing device of a GIS combined electrical apparatus according to an embodiment of the present application;
fig. 3 is a second cross-sectional view of a sensor fixing device of a GIS combined electrical apparatus according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an installation cylinder of a sensor fixing device of a GIS combined electrical apparatus according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an elastic bag sleeve of a sensor fixing device of a GIS combined electrical apparatus according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a connector of a sensor fixing device of a GIS combined electrical apparatus according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the claimed invention.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1, a sensor fixing device for a GIS combined electrical apparatus of the present application includes a mounting cylinder 1, an angle control assembly, an elastic connection assembly and a sensor connection assembly, which are disposed in the mounting cylinder 1.
The installation cylinder 1 is a cylinder with an opening at the upper side, the cylinder body of the installation cylinder 1 consists of an outer shell 10 and an inner shell 11, and the outer shell 10 and the inner shell 11 are connected through a bottom plate at the bottom; the outer side of the outer shell 10 is provided with a plurality of mounting tables 10a in an annular array, the mounting tables are provided with through holes 10b in the vertical direction, the through holes are provided with sliding grooves 10c towards the central shaft of the mounting cylinder 1, and the sliding grooves 10c are arranged along the vertical direction and penetrate through the inner shell 11; the bottom of the installation cylinder 1 is provided with an installation groove.
The angle control assembly includes: a connection member 20 slidably disposed in the through hole 10b and the sliding groove 10c, a permanent magnet 21 fixed to the connection member 20 and slidable up and down along the through hole 10b, and a support bowl 22 disposed in the mounting groove; one end of the connecting piece 20 is connected with the permanent magnet 21, and the other end extends into the inner shell 11 to form a driving arm 20a; the lower side of the driving arm 20a is provided with a connecting end 20b, and a permanent magnet 21 is arranged in the through hole 10b in a rod-shaped and slidable manner; the lower end of the permanent magnet 21 is connected with the connecting piece 20; the support bowl 22 is embedded in the mounting groove, and a groove is formed in the upper side of the support bowl 22.
The elastic connection assembly includes: a T-shaped swing piece 30 movably arranged in the groove, a return spring 31 arranged between the T-shaped swing piece 30 and the bottom of the mounting cylinder 1, and a tension spring 32 arranged between the T-shaped swing piece 30 and the connecting piece 20; the T-shaped swinging piece 30 comprises a contact bowl 30a with the bottom in sliding contact with the support bowl 22 and a control rod 30b which is arranged at the center of the upper side of the contact bowl 30a and vertically upwards, a plurality of connecting lugs 30c are arranged on the edge of the contact bowl 30a in an annular display mode, two ends of the extension spring 32 are respectively connected with the connecting lugs 30c and the connecting ends 20b, and the upper end of the return spring is connected with the lower end of the bottom of the contact bowl 30a and is connected with the mounting cylinder 1.
The sensor connection assembly includes: a connecting tube 40 and an elastic bag cover 41; the connecting cylinder 40 comprises a cylinder body 40a for installing a sensor and a connecting ring sleeve 40b arranged at the bottom of the cylinder body, and the connecting ring sleeve 40b is sleeved at the upper end of the control rod 30 b; a positioning ring table 40c and a limiting ring table 40d are sequentially arranged on the outer circular surface of the cylinder body 40a from top to bottom; the elastic bag sleeve 41 is buckled at the upper end of the mounting cylinder 1 in a bowl shape and is opened, and the lower end of the elastic bag sleeve 41 is provided with an opening and is sleeved at the lower edge of the positioning ring table 40 c; the lower edge of the limiting ring table 40d abuts against the upper side of the driving arm 20 a.
Further improvement or optimization of the sensor fixing device of the GIS is that the upper end of the inner shell 11 is an inward inclined surface 11e, and the inclined surface is attached to the elastic bag sleeve 41;
between the inner housing 11 and the outer housing 10, rib plates 11f are provided at corresponding positions on both sides of the slide groove 10 c; the inner side and the outer side of the rib plate 10f are respectively connected with the inner wall of the outer shell 10 and the outer wall of the inner shell 11, and the sliding groove 10c is surrounded by the rib plates 11f on two sides; the rib plates on two adjacent sliding grooves and the shell walls of the inner shell and the outer shell enclose a plurality of mounting cavities 10g; the installation cavity 10g is filled with a magnetic shielding material.
Further improvement or preference of the GIS combined electrical apparatus sensor fixing device, the elastic bag sleeve 41 includes an upper connecting portion 41a at the top, a lower connecting portion 41b at the bottom, and a tapered stretching portion 41c disposed between the upper connecting portion and the lower connecting portion; the lower edge of the upper connecting portion 41a is provided with a plurality of fitting portions 41d, and the fitting portions 41d are shaped and sized to fit into the upper end openings of the mounting chambers 10 g.
Further improvement or optimization of the sensor fixing device of the GIS, the part of the connecting piece 20 in the through hole 10b is -shaped and comprises two parallel supporting arms 20e;
the support arm at the upper side is provided with a large hole 20f, and the support arm at the lower side is provided with a step hole 20g;
the device also comprises an adjusting piece 5 and an adjusting screw 6, wherein the adjusting piece 5 is clamped between the two supporting arms, the adjusting piece 5 is of a cylindrical structure, two ends of the adjusting piece are provided with protruding parts which can be inserted into a large hole 20f and a step hole 20g, and the hole wall at the lower end of the step hole is provided with internal threads;
the permanent magnet 21 is movably arranged in the middle of the adjusting piece 5, and a screw hole is formed in the lower end of the permanent magnet 21;
the adjusting screw extends into the lower end of the through hole 10b and is sequentially connected with an internal thread in the wall of the lower end of the step hole and a screw hole at the lower end of the permanent magnet 21 in a matching way.
Through setting up the installation section of thick bamboo 1, angle control subassembly, elastic connection subassembly and sensor coupling assembling of mutually supporting, can be when the connecting cylinder 40 leads to the angle slope because the tubular part of installation deviates the axis, thereby the tubular part of slope produces different magnetism with the permanent magnet 21 of different positions and attracts permanent magnet 21 to slide, and then drive T shape goods of furniture for display rather than for use 30 along support bowl 22 take place with the opposite swing of tubular part slope direction, thereby make control rod 30b and connecting ring cover 40b contact, provide the power that resets for connecting cylinder 40, promote the central axis of tubular part and connecting cylinder 40 to reset to the central axis department of installation section of thick bamboo 1, reduce the influence of factors such as vibration.
While the present invention has been described in detail with reference to the examples, it will be apparent to those skilled in the art that the foregoing examples can be modified or equivalents substituted for some of the features thereof, and any modifications, equivalents, improvements and substitutions made therein are intended to be within the spirit and principles of the present invention.
Claims (4)
1. A GIS combined electrical apparatus sensor fixing device, characterized by comprising: the device comprises a mounting cylinder (1), an angle control component, an elastic connecting component and a sensor connecting component, wherein the angle control component, the elastic connecting component and the sensor connecting component are arranged in the mounting cylinder (1);
the installation cylinder (1) is a cylinder with an opening at the upper side, the cylinder body of the installation cylinder (1) consists of an outer shell (10) and an inner shell (11), and the outer shell (10) and the inner shell (11) are connected through a bottom plate at the bottom; the outer side of the outer shell (10) is provided with a plurality of mounting tables (10 a) in an annular array, through holes (10 b) are formed in the mounting tables along the vertical direction, sliding grooves (10 c) are formed in the directions of the through holes towards the central shaft of the mounting cylinder (1), and the sliding grooves (10 c) are formed in the vertical direction and penetrate through the inner shell (11); the bottom of the mounting cylinder (1) is provided with a mounting groove;
the angle control assembly includes: a connecting piece (20) which is slidably arranged in the through hole (10 b) and the sliding groove (10 c), a permanent magnet (21) which is fixed on the connecting piece (20) and can slide up and down along the through hole (10 b), and a supporting bowl (22) which is arranged in the mounting groove; one end of the connecting piece (20) is connected with the permanent magnet (21), and the other end of the connecting piece stretches into the inner shell (11) to form a driving arm (20 a); the lower side of the driving arm (20 a) is provided with a connecting end (20 b), and the permanent magnet (21) is in a rod shape and is slidably arranged in the through hole (10 b); the lower end of the permanent magnet (21) is connected with the connecting piece (20); the support bowl (22) is embedded in the mounting groove, and a groove is formed in the upper side of the support bowl (22);
the elastic connection assembly includes: the T-shaped swinging piece (30) is movably arranged in the groove, the reset spring (31) is arranged between the T-shaped swinging piece (30) and the bottom of the mounting cylinder (1), and the extension spring (32) is arranged between the T-shaped swinging piece (30) and the connecting piece (20); the T-shaped swinging piece (30) comprises a contact bowl (30 a) with the bottom in sliding contact with the support bowl (22) and a control rod (30 b) which is arranged at the center of the upper side of the contact bowl (30 a) and is vertically upwards, a plurality of connecting lugs (30 c) are arranged on the edge of the contact bowl (30 a) in an annular array, two ends of the extension spring (32) are respectively connected with the connecting lugs (30 c) and the connecting ends (20 b), the upper end of the return spring is connected to the bottom of the contact bowl (30 a), and the lower end of the return spring is connected to the mounting cylinder (1);
the sensor connection assembly includes: a connecting cylinder (40) and an elastic bag sleeve (41); the connecting cylinder (40) comprises a cylinder body (40 a) for installing the sensor and a connecting ring sleeve (40 b) arranged at the bottom of the cylinder body; the connecting ring sleeve (40 b) is sleeved at the upper end of the control rod (30 b); the outer circular surface of the cylinder body (40 a) is sequentially provided with a positioning ring table (40 c) and a limiting ring table (40 d) from top to bottom; the elastic bag sleeve (41) is buckled at an opening at the upper end of the mounting cylinder (1), and the lower end of the elastic bag sleeve (41) is provided with an opening and sleeved at the lower edge of the positioning ring table (40 c); the lower edge of the limiting ring table (40 d) is abutted against the upper side of the driving arm (20 a).
2. The sensor fixing device of the GIS combined electrical appliance according to claim 1, wherein the upper end of the inner shell (11) is an inward inclined surface (11 e), and the inclined surface (11 e) is attached to the elastic bag sleeve (41);
between the inner shell (11) and the outer shell (10), rib plates (11 f) are arranged at corresponding positions on two sides of the sliding groove (10 c); the inner side and the outer side of the rib plate (11 f) are respectively connected with the inner wall of the outer shell (10) and the outer wall of the inner shell (11); the sliding groove (10 c) is surrounded by rib plates (11 f) at two sides; the rib plates on the two adjacent sliding grooves and the shell walls of the inner shell and the outer shell enclose a plurality of mounting cavities (10 g); the installation cavity (10 g) is filled with magnetic shielding materials.
3. The GIS combiner sensor fixing apparatus according to claim 2, wherein the elastic cuff (41) comprises an upper connection portion (41 a) at the top, a lower connection portion (41 b) at the bottom, and a tapered stretching portion (41 c) provided between the upper connection portion and the lower connection portion; the lower edge of the upper connecting part (41 a) is provided with a plurality of jogged parts (41 d), and the jogged parts (41 d) are suitable for being embedded in the upper end opening of the installation cavity (10 g) in shape and size.
4. A GIS combined electrical appliance sensor fixing device according to claim 3, wherein the part of the connecting piece (20) located in the through hole (10 b) is -shaped structure, comprising two parallel-arranged supporting arms (20 e);
the support arm at the upper side is provided with a large hole (20 f), and the support arm at the lower side is provided with a step hole (20 g);
the device also comprises an adjusting piece (5) clamped between the two supporting arms and an adjusting screw (6); the adjusting piece (5) is of a cylindrical structure, protruding parts are arranged at two ends of the adjusting piece and can be inserted into the large hole (20 f) and the step hole (20 g), and the hole wall at the lower end of the step hole is provided with internal threads;
the permanent magnet (21) is movably arranged in the middle of the adjusting piece (5), and a screw hole is formed in the lower end of the permanent magnet (21);
the adjusting screw extends into the lower end of the through hole (10 b) and is sequentially connected with an internal thread in the wall of the lower end of the stepped hole and a screw hole at the lower end of the permanent magnet (21) in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115702.0A CN113834958B (en) | 2021-09-23 | 2021-09-23 | GIS combined electrical apparatus sensor fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115702.0A CN113834958B (en) | 2021-09-23 | 2021-09-23 | GIS combined electrical apparatus sensor fixing device |
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| Publication Number | Publication Date |
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| CN113834958A CN113834958A (en) | 2021-12-24 |
| CN113834958B true CN113834958B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111115702.0A Active CN113834958B (en) | 2021-09-23 | 2021-09-23 | GIS combined electrical apparatus sensor fixing device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210417721U (en) * | 2019-07-31 | 2020-04-28 | 海南安臣生物科技有限公司 | Packing box with dampproofing shock-absorbing function |
| CN211452393U (en) * | 2020-04-01 | 2020-09-08 | 北京天都万隆新能源科技有限公司 | Sensor convenient to disassemble |
| CN211577202U (en) * | 2019-11-05 | 2020-09-25 | 广东电网有限责任公司 | Fixing device, sensor and basin-type insulator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208687007U (en) * | 2018-06-27 | 2019-04-02 | 北京科勒有限公司 | Flow control valve valve |
| US11318293B2 (en) * | 2018-11-26 | 2022-05-03 | Massachusetts Institute Of Technology | Single or multi-dose delivery platform for veterinary applications |
-
2021
- 2021-09-23 CN CN202111115702.0A patent/CN113834958B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210417721U (en) * | 2019-07-31 | 2020-04-28 | 海南安臣生物科技有限公司 | Packing box with dampproofing shock-absorbing function |
| CN211577202U (en) * | 2019-11-05 | 2020-09-25 | 广东电网有限责任公司 | Fixing device, sensor and basin-type insulator |
| CN211452393U (en) * | 2020-04-01 | 2020-09-08 | 北京天都万隆新能源科技有限公司 | Sensor convenient to disassemble |
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| CN113834958A (en) | 2021-12-24 |
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