CN112362920A - State monitoring sensor protection device - Google Patents
State monitoring sensor protection device Download PDFInfo
- Publication number
- CN112362920A CN112362920A CN202011255916.3A CN202011255916A CN112362920A CN 112362920 A CN112362920 A CN 112362920A CN 202011255916 A CN202011255916 A CN 202011255916A CN 112362920 A CN112362920 A CN 112362920A
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- CN
- China
- Prior art keywords
- mounting base
- protection device
- monitoring sensor
- clamping
- removable cover
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- 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.)
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Classifications
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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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
Abstract
The invention provides a state monitoring sensor protection device, which comprises a mounting base, a sensor fixing base and a state monitoring sensor, wherein the mounting base is arranged on one side of a partial discharge sensor and comprises a mounting groove arranged on the mounting sensor, and a clamping structure is arranged in the mounting groove; the movable cover plate is rotatably arranged on one side of the mounting base through a hinge shaft; the junction of removable cover and mounting base is located to the control lever, include the end that triggers with the removable cover contact to and connect the locking end of dismantling the connection on the mounting base, trigger the end and pass through linkage structure and block structural connection, when removable cover was located the lock state, trigger end drive block structure and tighten up fixed partial discharge sensor. According to the state monitoring sensor protection device, the movable cover plate and the mounting base which can be buckled are utilized to carry out all-around protection on the sensor, and meanwhile, the clamping structure which can be linked with the movable cover plate is arranged in the mounting base, so that the movable cover plate can automatically clamp the sensor after being buckled, and the interference of the outside on the sensor is reduced.
Description
Technical Field
The invention relates to the technical field of substation equipment, in particular to a state monitoring sensor protection device.
Background
At present, various online monitoring devices are installed and operated in substations of kilovolt and above, wherein, the number of capacitive equipment online monitoring sensor terminals is about seven thousands. According to statistics, although testers need to carry out maintenance patrol on online monitoring devices of content equipment of the transformer substation every year, reliability detection of the sensors cannot be carried out all the time due to the fact that technical conditions do not exist, and the fault rate of the state monitoring sensors directly influences the accuracy and reliability of evaluation of operation and maintenance personnel on the running state of the equipment. Therefore, fault detection and troubleshooting of the capacitive equipment state monitoring sensor are effective ways for improving reliability of state monitoring measurement data, and therefore effectiveness of state monitoring on state evaluation of the main equipment is improved.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
Therefore, the technical problem to be solved by the present invention is to overcome the defect that the state monitoring sensor in the prior art is susceptible to interference, thereby providing a state monitoring sensor protection device.
In order to solve the technical problems, the invention provides the following technical scheme: a condition monitoring sensor protection device comprises a protection device,
the mounting base is arranged on one side of the partial discharge sensor and comprises a mounting groove for mounting the sensor, and a clamping structure is arranged in the mounting groove;
the movable cover plate is rotatably arranged on one side of the mounting base through a hinge shaft and has a buckling state covering the mounting base and an unlocking state separating the mounting base;
the control lever is located removable cover with the junction of mounting base, include with the trigger end of removable cover contact to and connect the dismantlement and connect and be connected locking end on the mounting base, the trigger end pass through linkage structure with the block structural connection works as removable cover is located during the lock state, the drive of trigger end the block structure tightens up fixedly the sensor is put in the office.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: the clamping structure comprises
The clamping pins are distributed in the mounting groove along the ring shape, a clamping space is formed in the middle,
the contraction piece is sleeved on the periphery of the clamping pin, is provided with a guide part contacted with the clamping pin, and is connected with the control rod through the linkage structure;
when the control rod rotates, the linkage structure drives the contraction part to enable the clamping pin to move along the radial direction.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: be equipped with radial guide slot in the mounting groove, the activity of one end of card foot is located in the radial guide slot, radial guide slot distributes along the annular.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: the lateral wall of the clamping foot is provided with a pushing part which is in contact with the guiding part, the pushing part is inclined and the clamping foot moves a square inclined plane, the guiding part is a contact which is in contact with the inclined plane, and the contraction part moves along the direction of the annular central axis distributed by the clamping foot.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: the linkage structure comprises
The two rotary cranks are arranged in parallel and have the same length;
the linkage rod is connected with the two rotating cranks, and two ends of the linkage rod are hinged with the rotating cranks;
the reversing piece is connected to one of the rotating cranks and comprises a transverse moving block and a longitudinal moving block, the rotating cranks are hinged to the transverse moving block, the longitudinal moving block is connected to the contraction piece, the longitudinal moving block is arranged in the mounting groove through a longitudinal guide rail, and a transverse guide rail is arranged between the transverse moving block and the longitudinal moving block; the direction of the longitudinal guide rail is parallel to the movement direction of the retractor.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: and a crimping plate is arranged in the movable cover plate, and when the movable cover plate is buckled on the mounting base, the crimping plate is contacted with the partial discharge sensor.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: the card foot with the crimping board all is equipped with to the location portion that the sensor lateral wall extends is put in the office, and works as removable cover lock is in when the mounting base is last, the crimping board with the location portion of card foot is crisscross.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: the removable cover connects be equipped with on one side of mounting base and be suitable for and hold the storage tank of trigger end, trigger the end with the locking end is connected perpendicularly, trigger and serve and be equipped with torsion portion, torsion portion locates in the storage tank.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: the torsion part is followed trigger end bending bulge, just removable cover lock is in the mounting base in-process, the torsion part is relative trigger end rotates.
As a preferable aspect of the state monitoring sensor protection device of the present invention, wherein: still be equipped with the locking groove on the mounting base, the removable cover lock is in when on the mounting base, the locking end gets into the locking groove.
The invention has the beneficial effects that: according to the state monitoring sensor protection device, the movable cover plate and the mounting base which can be buckled are utilized to carry out all-around protection on the sensor, and meanwhile, the clamping structure which can be linked with the movable cover plate is arranged in the mounting base, so that the movable cover plate can automatically clamp the sensor after being buckled, and the interference of the outside on the sensor is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of the overall structure of a condition monitoring sensor protection device;
FIG. 2 is a schematic structural view of a mounting base;
FIG. 3 is a schematic view of a locking structure;
FIG. 4 is a schematic view of a linkage structure;
FIG. 5 is a schematic structural view of the removable cover;
FIG. 6 is a schematic view of the control lever;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Example 1
The present embodiment provides a condition monitoring sensor protection device, which has a structure as shown in fig. 1 to 6, and includes a mounting base 100, a removable cover 200, and a control lever 300.
The mounting base 100 is disposed on one side of the partial discharge sensor 400, and includes a mounting groove 110 disposed on the mounting sensor, and a fastening structure 120 is disposed in the mounting groove 110 and used for placing and fixing the partial discharge sensor 400;
the movable cover plate 200 is rotatably arranged on one side of the mounting base 100 through a hinge shaft, has a buckling state covering the mounting base 100 and an unlocking state of separating the mounting base 100, and is used for being matched with the mounting base 100 to fix the partial discharge sensor 400;
the control rod 300 is disposed at the joint of the removable cover 200 and the mounting base 100, and includes a trigger end 310 contacting with the removable cover 200, and a locking end 320 detachably connected to the mounting base 100, for controlling the opening and closing state of the removable cover 200, and the trigger end 310 is connected to the engaging structure 120 through a linkage structure 340, and when the removable cover 200 is in the engaging state, the trigger end 310 drives the engaging structure 120 to tighten up the fixed partial discharge sensor 400.
The state monitoring sensor protection device that this embodiment provided utilizes removable cover 200 and mounting base 100 that can the lock, carries out the omnidirectional protection to the sensor, has set up the block structure 120 that can link with removable cover 200 in mounting base 100 simultaneously for removable cover 200 carries out the chucking with the sensor automatically after the lock, reduces the outside interference to the sensor.
As shown in fig. 2 and fig. 3, the engaging structure 120 in the embodiment includes a clamping pin 121 and a contracting member 122, since the partial discharge sensor 400 in the embodiment is annular, the clamping pin 121 is annularly distributed in the mounting groove 110, a clamping space is formed in the middle, the contracting member 122 is a ring sleeved outside the clamping pin 121, has a guiding portion 122a contacting with the clamping pin 121, and is connected to the control rod 300 through the linkage structure 340; when the control lever 300 rotates, the linkage structure 340 drives the contraction member 122 to move the clamping legs 121 in the radial direction.
Specifically, a pushing portion 121a contacting the guiding portion 122a is disposed on a sidewall of the locking leg 121, the pushing portion 121a is a square inclined surface inclined to move with the locking leg 121, the inclined surface extends outward from an outward side of the locking leg 121, and the inclined surface faces obliquely downward and faces the guiding portion 122 a. And the guiding part 122a is a contact which protrudes from the ring of the contracting part 122 and contacts with the inclined surface, and the contracting part 122 moves along the direction of the central axis of the ring distributed by the clamping legs 121 vertically upwards.
In order to ensure that the moving direction of the clamping leg 121 is radial, as shown in fig. 2, a radial guide groove 123 is provided in the mounting groove 110, one end of the clamping leg 121 is movably disposed in the radial guide groove 123, the radial guide grooves 123 are distributed along a ring shape, the lower end of the clamping leg 121 is a straight plate adapted to the radial guide groove 123, when the contraction member 122 moves upwards, the clamping leg 121 moves along the radial direction under the action of the guide portion 122a and the pushing portion 121a, and the simultaneous contraction is realized.
The linkage structure 340 in this embodiment connects the control rod 300 and the contracting member 122, and converts the movement of the control rod 300 controlling the rotation of the movable cover plate 200 into the linear movement of the contracting member 122. As shown in fig. 4, the linkage structure 340 includes a rotating crank 341, a linkage rod 342 and a linear slider 343, one end of the rotating crank 341 is fixedly connected to the control rod 300, the other end is hinged to the linkage rod 342, the other end of the linkage rod 342 is hinged to the linear slider 343, and the linear slider 343 is sleeved on the linear guide rod 345 and is connected to the contraction member 122; the direction of the linear guide 345 is parallel to the direction of movement of the retractor 122.
When the control rod 300 rotates, the rotating crank 341 is driven to rotate, the other end of the rotating crank 341 is hinged to the linkage rod 342, and the other end of the linkage rod 342 is hinged to the linear moving structure, so that the rotating motion of the control part can be converted into the linear motion of the linear slider 343. And because the linear guide rod 345 is parallel to the moving direction of the contraction member 122, and the linear slider 343 is connected with the contraction member 122, the linkage of the control rod 300 and the contraction member 122 can be realized.
As shown in fig. 5, a press plate 210 is disposed in the movable cover 200, when the movable cover 200 is fastened to the mounting base 100, the press plate 210 contacts the partial discharge sensor 400, and the press plate 210 and the clamping legs 121 disposed up and down sandwich the partial discharge sensor 400, thereby completing the fixing of the partial discharge sensor 400.
In order to further increase the stability, the clamping legs 121 and the pressing plate 210 are provided with positioning portions 230 extending to the side walls of the partial discharge sensor 400, and when the movable cover plate 200 is fastened on the mounting base 100, the positioning portions 230 of the clamping legs 121 and the pressing plate 210 are staggered. Wherein the positioning parts 230 on the crimping plate 210 also present an annular distribution.
As shown in fig. 5, a receiving groove 220 adapted to receive the trigger end 310 is disposed on one side of the movable cover 200 connected to the mounting base 100, the trigger end 310 is vertically connected to the locking end 320, a torsion portion 330 is disposed on the trigger end 310, and the torsion portion 330 is disposed in the receiving groove 220.
As shown in fig. 6, the initiation end 310 and the locking end 320 are both elongated metal rods, and the torsion portion 330 is bent and raised from the initiation end 310, and the torsion portion 330 rotates relative to the initiation end 310 during the process of snapping the removable cover 200 onto the mounting base 100. Under the restriction of the receiving groove 220, the torsion portion 330 cannot rotate continuously, and the metal rod of the trigger end 310 is twisted axially, so that the torsion portion 330 applies a torque to the receiving groove 220 and an approaching pressure to the mounting base 100. So that the retention of the removable cover 200 is a stable crimping of the mounting base 100.
In order to stabilize the control in the locked position, as shown in fig. 2, the mounting base 100 is further provided with a locking groove 130, and when the cover plate 200 is fastened, the locking end 320 enters the locking groove 130.
By providing the mounting base 100 and the movable cover 200, the partial discharge sensor 400 can be completely wrapped inside, so that the partial discharge sensor is prevented from being interfered by the outside, and the stability of detection of the partial discharge sensor 400 is ensured.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A condition monitoring sensor protection device characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the mounting base (100) is arranged on one side of the partial discharge sensor (400) and comprises a mounting groove (110) for mounting the sensor, and a clamping structure (120) is arranged in the mounting groove (110);
the movable cover plate (200) is rotatably arranged on one side of the mounting base (100) through a hinge shaft and has a buckling state covering the mounting base (100) and an unlocking state separating the mounting base (100);
control lever (300), locate removable cover (200) with the junction of mounting base (100), include with the trigger end (310) of removable cover (200) contact to and connect the dismantlement to be connected locking end (320) on mounting base (100), trigger end (310) through linkage structure (340) with block structure (120) are connected, work as removable cover (200) are located during the lock state, trigger end (310) drive block structure (120) tighten up fixedly partial discharge sensor (400).
2. The condition monitoring sensor protection device of claim 1, wherein: the clamping structure (120) comprises
The clamping pins (121) are distributed in the mounting groove (110) along the ring shape, a clamping space is formed in the middle,
the contraction piece (122) is sleeved on the periphery of the clamping pin (121), is provided with a guide part (122a) contacted with the clamping pin (121), and is connected with the control rod (300) through the linkage structure (340);
when the control rod (300) rotates, the linkage structure (340) drives the contraction part (122) to enable the clamping foot (121) to move in the radial direction.
3. The condition monitoring sensor protection device of claim 2, wherein: be equipped with radial guide slot (123) in mounting groove (110), the activity of one end of card foot (121) is located in radial guide slot (123), radial guide slot (123) are along annular distribution.
4. The condition monitoring sensor protection device of claim 3, wherein: the side wall of the clamping foot (121) is provided with a pushing part (121a) contacted with a guiding part (122a), the pushing part (121a) is an inclined plane inclined to the square moving direction of the clamping foot (121), the guiding part (122a) is a contact contacted with the inclined plane, and the contraction part (122) moves along the direction of the annular central axis distributed by the clamping foot (121).
5. The condition monitoring sensor protection device according to any one of claims 2-4, wherein: the linkage structure (340) comprises a rotating crank (341), a linkage rod (342) and a linear sliding block (343), one end of the rotating crank (341) is fixedly connected to the control rod (300), the other end of the rotating crank is hinged to the linkage rod (342), the other end of the linkage rod (342) is hinged to the linear sliding block (343), and the linear sliding block (343) is sleeved on the linear guide rod (345) and is connected with the contraction part (122); the direction of the linear guide rod (345) is parallel to the movement direction of the constriction member (122).
6. The condition monitoring sensor protection device of claim 5, wherein: be equipped with crimping board (210) in removable cover (200), when removable cover (200) lock is in when mounting base (100), crimping board (210) with partial discharge sensor (400) contact.
7. The condition monitoring sensor protection device of claim 6, wherein: the clamping feet (121) and the crimping plate (210) are provided with positioning parts (230) extending towards the side wall of the partial discharge sensor (400), and when the movable cover plate (200) is buckled on the mounting base (100), the crimping plate (210) and the positioning parts (230) of the clamping feet (121) are staggered.
8. The condition monitoring sensor protection device according to any one of claim 7, wherein: removable cover (200) are connected be equipped with on one side of mounting base (100) and be suitable for and hold storage tank (220) of trigger end (310), trigger end (310) with locking end (320) are connected perpendicularly, be equipped with torsion portion (330) on trigger end (310), torsion portion (330) are located in storage tank (220).
9. The condition monitoring sensor protection device of claim 8, wherein: the torsion part (330) is bent and raised from the trigger end (310), and in the process that the movable cover plate (200) is buckled on the mounting base (100), the torsion part (330) rotates relative to the trigger end (310).
10. The condition monitoring sensor protection device of claim 9, wherein: still be equipped with locking groove (130) on mounting base (100), removable cover (200) lock is in when mounting base (100) are gone up, locking end (320) get into locking groove (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255916.3A CN112362920B (en) | 2020-11-11 | 2020-11-11 | State monitoring sensor protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255916.3A CN112362920B (en) | 2020-11-11 | 2020-11-11 | State monitoring sensor protection device |
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| Publication Number | Publication Date |
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| CN112362920A true CN112362920A (en) | 2021-02-12 |
| CN112362920B CN112362920B (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011255916.3A Active CN112362920B (en) | 2020-11-11 | 2020-11-11 | State monitoring sensor protection device |
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| JPH01270678A (en) * | 1988-04-22 | 1989-10-27 | Matsushita Electric Ind Co Ltd | Monitoring apparatus of power distribution line |
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| EP2042840A2 (en) * | 2007-09-29 | 2009-04-01 | Hella KG Hueck & Co. | Rotation sensor with slide clips |
| CN107072114A (en) * | 2017-03-29 | 2017-08-18 | 贵州大学 | A kind of safety type power cabinet for electrical engineering |
| CN207601128U (en) * | 2017-12-19 | 2018-07-10 | 广州合众自动化科技有限公司 | A kind of board port test box for needle or pin |
| CN108306185A (en) * | 2018-01-29 | 2018-07-20 | 安徽建筑大学 | A kind of electrical control cabinet and its active cooling system |
| US20190006750A1 (en) * | 2016-01-04 | 2019-01-03 | Guangzhou Changen Electronic Technology Co., Ltd | Non-metal pneumatic cylinder for use in electromagnetic compatibility test, antenna device having adaptable angle of rotation, and system |
| RU2692018C1 (en) * | 2018-06-08 | 2019-06-19 | Петр Васильевич Малина | High-security lock code device |
| CN209605852U (en) * | 2019-05-07 | 2019-11-08 | 无锡乐益光电科技有限公司 | A kind of photoelectric sensor bracket component |
| CN110850253A (en) * | 2019-12-12 | 2020-02-28 | 刘锦伟 | Guide tracked removes cubical switchboard office and puts on-line monitoring sensor |
| CN210665821U (en) * | 2019-09-17 | 2020-06-02 | 无锡创联科技有限公司 | Fixing device of current sensor |
| CN211627624U (en) * | 2019-12-04 | 2020-10-02 | 浙江省江山江汇电气有限公司 | Fixing device of partial discharge sensor |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01270678A (en) * | 1988-04-22 | 1989-10-27 | Matsushita Electric Ind Co Ltd | Monitoring apparatus of power distribution line |
| JPH02264880A (en) * | 1989-04-04 | 1990-10-29 | Matsushita Electric Ind Co Ltd | Chip magnetic sensor and manufacture thereof |
| KR20090027813A (en) * | 2007-09-13 | 2009-03-18 | 아주대학교산학협력단 | Sensor node |
| EP2042840A2 (en) * | 2007-09-29 | 2009-04-01 | Hella KG Hueck & Co. | Rotation sensor with slide clips |
| US20190006750A1 (en) * | 2016-01-04 | 2019-01-03 | Guangzhou Changen Electronic Technology Co., Ltd | Non-metal pneumatic cylinder for use in electromagnetic compatibility test, antenna device having adaptable angle of rotation, and system |
| CN107072114A (en) * | 2017-03-29 | 2017-08-18 | 贵州大学 | A kind of safety type power cabinet for electrical engineering |
| CN207601128U (en) * | 2017-12-19 | 2018-07-10 | 广州合众自动化科技有限公司 | A kind of board port test box for needle or pin |
| CN108306185A (en) * | 2018-01-29 | 2018-07-20 | 安徽建筑大学 | A kind of electrical control cabinet and its active cooling system |
| RU2692018C1 (en) * | 2018-06-08 | 2019-06-19 | Петр Васильевич Малина | High-security lock code device |
| CN209605852U (en) * | 2019-05-07 | 2019-11-08 | 无锡乐益光电科技有限公司 | A kind of photoelectric sensor bracket component |
| CN210665821U (en) * | 2019-09-17 | 2020-06-02 | 无锡创联科技有限公司 | Fixing device of current sensor |
| CN211627624U (en) * | 2019-12-04 | 2020-10-02 | 浙江省江山江汇电气有限公司 | Fixing device of partial discharge sensor |
| CN110850253A (en) * | 2019-12-12 | 2020-02-28 | 刘锦伟 | Guide tracked removes cubical switchboard office and puts on-line monitoring sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112362920B (en) | 2023-01-24 |
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