CN114217186B - High-voltage motor insulation detection isolation device - Google Patents
High-voltage motor insulation detection isolation device Download PDFInfo
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- CN114217186B CN114217186B CN202111502967.6A CN202111502967A CN114217186B CN 114217186 B CN114217186 B CN 114217186B CN 202111502967 A CN202111502967 A CN 202111502967A CN 114217186 B CN114217186 B CN 114217186B
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- 238000009413 insulation Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000002955 isolation Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention relates to the technical field of high-voltage detection, in particular to a high-voltage motor insulation detection isolation device, an installation box and a box cover, wherein the installation box is a box body, the upper end and the lower end of the box body are respectively provided with an installation groove and an installation plate, the box cover is horizontally arranged at the upper end of the installation box through bolts, a power module is connected with an indicator lamp arranged on a movable seat and connected with the power module through a connecting rod on one side of the installation groove in a plugging manner through a rebound assembly, then the indicator lamp is movably controlled under the action of the up-down movement of the power module, so that the indicator lamp is retracted into the movable groove to carry out safety protection under the non-use state of the power module, the power module is blown through a plurality of exhaust holes after being lifted by the inflation expansion ring, the heat dissipation of the power module is accelerated, meanwhile, the opening of a one-way valve is driven by the lifting of the power module, the gas containing heat inside the equipment can be interacted with the outside, the service life of the equipment is prolonged, and the power module is damped and buffered under the non-use state of the inflation ring.
Description
Technical Field
The invention relates to the technical field of high-voltage detection, in particular to an insulation detection isolation device for a high-voltage motor.
Background
The main reasons of the power system fault include insulation damage, so in some scenes, insulation detection needs to be enhanced, taking insulation detection of a high-voltage motor as an example, insulation of the motor is reduced due to reasons of mechanical abrasion, thermal aging and the like, so that serious accidents are caused, and detection is needed to prevent risks;
in the prior art, the high-voltage motor insulation on-line detection is to superimpose a voltage signal of 2500V direct current between a three-phase alternating current high-voltage bus and a PT neutral point, calculate the system insulation resistance by measuring the direct current between the alternating current high-voltage bus and the neutral point, and simultaneously, the zero sequence current of the system can be detected in real time through a zero sequence transformer, thereby realizing the on-line continuous detection of the system insulation and the running state, the ground knife operating mechanism of the switch cabinet, the switch trolley access mechanism and the like can be seriously damaged by frequent operation of the motor insulation test every time, further, the five-prevention function failure of the switch cabinet is caused, an isolating device is arranged to isolate the high-voltage motor from the detecting device for achieving the purposes of autonomous control and enough safety, but the signal indicating lamp of the isolating device is arranged in a convex structure in the using process, the collision damage is easy to occur in the using or transferring process, and meanwhile, the sealing performance of the isolating device is better, the switch power supply module can not radiate heat in time when working, thereby influencing the service life of the equipment.
Disclosure of Invention
The invention aims to provide a high-voltage motor insulation detection isolation device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a high voltage motor insulation detection isolation device, the isolation device comprising:
the mounting box is a box body, the upper end and the lower end of the mounting box are respectively provided with a mounting groove and a mounting plate, and the box cover is horizontally arranged at the upper end of the mounting box through bolts;
the power module is inserted into one side of the installation groove through the rebound assembly;
the indicator lamp is arranged through the movable assembly plug-in box cover;
the connecting component is arranged at the lower end of the movable component and is connected with the power supply module;
the lifting assembly is arranged at the lower end of one side in the mounting groove, and the upper end of the lifting assembly is connected with the lower end of the power supply module;
the check valve penetrates through the mounting plate, and the upper end of the check valve penetrates through the lifting assembly to be connected with the lower end of the power module.
Preferably, one side is equipped with first collar in the mounting groove, is equipped with the second collar in the first collar, and the resilience subassembly includes four guide bars, and four guide bars are located the second collar of vertical symmetry respectively, and power module level cup joints four guide bars and sets up.
Preferably, the guide rod penetrates through the upper end of the power module and is sleeved with a first spring, and the upper end of the first spring of the guide rod is provided with a limit nut through threaded connection.
Preferably, the lifting assembly comprises two expansion rings, the two expansion rings are inserted into the second mounting ring to be respectively sleeved with four guide rods, two sides between the first mounting ring and the second mounting ring are respectively provided with an inflation box, one sides of the two inflation boxes are respectively connected with the two expansion rings through a communicating pipe, and a plurality of exhaust holes are uniformly formed in one sides of the two expansion rings.
Preferably, the check valve comprises a valve rod, a pull rope is connected to the upper end of the valve rod, a self-limiting hook is arranged on one side of the pull rope, a pull ring is arranged at the center of the lower end of the power module, and the self-limiting hook is hooked with the pull ring.
Preferably, the movable assembly comprises a movable seat, a movable groove is vertically formed in one side of the box cover, the movable seat is vertically inserted and arranged in the movable groove, a piston ring is sleeved at the upper end of one side of the movable seat, which is inserted and arranged in the movable groove, and the outer circumferential surface of the piston ring is in contact with the movable groove.
Preferably, the movable seat upper end has seted up the internal thread groove, has seted up annular electricity connection groove in the internal thread groove, and the warning light lower extreme is equipped with the electricity connection ring, and the warning light lower extreme is arranged in the internal thread inslot through the screw thread grafting, and the electricity connection ring grafting is arranged in the electricity connection groove.
Preferably, the connecting assembly comprises a connecting rod and a connecting frame, wherein the connecting rod vertically penetrates through the movable groove to be arranged at the center of the lower end of the movable seat, the connecting frame is sleeved with the center of the power module through a bolt, the upper end of the connecting frame is provided with a connecting block, and the lower end of the connecting rod is inserted into the connecting block.
Preferably, the connecting rod is pegged graft and is arranged in the connecting block both sides and peg graft through locating lever and second spring symmetry and be equipped with the stopper, and the locating lever setting is cup jointed to the second spring, and the connecting block cup joints connecting rod bilateral symmetry and has seted up two spacing grooves, and in spacing inslot was arranged in pegging graft respectively to two stopper one side, and stopper and spacing inslot both sides face are inclined plane structure setting.
Preferably, the movable groove is vertically provided with a push groove at the center, the center of the lower end of the indicator lamp is provided with a push block, the upper end of the connecting rod is vertically inserted and provided with a push rod, the upper end of the push rod is inserted and connected in the push groove to be contacted with the lower end of the push block, one side of the push rod, inserted and arranged in the push groove, is sleeved with a third spring, the upper end of one side of the connecting rod, inserted and arranged with two limiting blocks, is provided with inclined panels, the upper ends of the two inclined panels are respectively contacted with two sides of the lower end of the push rod, and one side, which is contacted, is an inclined plane.
Compared with the prior art, the invention has the beneficial effects that:
1. the circuit is switched on and off through the internal vacuum relay, so that the safety of the measuring equipment and the power supply safety of the high-voltage motor are achieved, the product is high in performance, long in service life, free of pollution, safe and reliable, the indicator lamp installed on the movable seat is connected with the power supply module through the connecting rod, then the indicator lamp is actively controlled under the action of up-down movement of the power supply module, and the indicator lamp is retracted into the movable groove to carry out safety protection under the non-use state of the equipment;
2. the inflation of expansion ring carries out the processing of blowing to power module through a plurality of exhaust holes after with power module lifting, accelerates power module's heat dissipation, simultaneously along with power module's lifting drive check valve's opening, makes the inside hot gas that contains of equipment can be with outside interaction, improves equipment life, and carries out shock attenuation buffering to power module when the expansion ring is not in use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the portion B of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the portion C of FIG. 2 according to the present invention;
fig. 5 is a perspective view showing the appearance of the present invention.
In the figure: mounting box 1, lid 2, mounting panel 3, power module 4, pilot lamp 5, check valve 6, guide bar 7, first spring 8, expansion ring 9, aerify box 10, exhaust hole 11, valve rod 12, stay cord 13, from spacing couple 14, movable seat 15, piston ring 16, connect electric ring 17, connecting rod 18, link 19, connecting block 20, second spring 21, stopper 22, ejector pad 23, push rod 24, inclined panel 25.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a high voltage motor insulation detection isolation device: the isolation device includes:
the power module comprises a mounting box 1 and a box cover 2, wherein the mounting box 1 is a box body, the upper end and the lower end of the box body are respectively provided with a mounting groove and a mounting plate 3, one side of the mounting box 1 is symmetrically inserted and provided with a cross high-voltage plug, a vacuum relay is arranged inside the cross high-voltage plug, the box cover 2 is horizontally arranged at the upper end of the mounting box 1 through bolts, the power module 4 is inserted and arranged at one side in the mounting grooves through a rebound assembly, one side in the mounting grooves is provided with a first mounting ring, a second mounting ring is arranged in the first mounting ring, the rebound assembly comprises four guide rods 7, the four guide rods 7 are vertically and symmetrically arranged in the second mounting ring, the power module 4 is horizontally sleeved with four guide rods 7, the guide rods 7 penetrate through the upper end of the power module 4 and are sleeved with first springs 8, and the upper ends of the first springs 8 of the guide rods 7 are respectively provided with limit nuts through threaded connection, so that the quick connection of the power module 4 is realized, and reset movement is realized by matching with the lifting assembly;
the indicator lamp 5 is arranged by inserting the movable assembly into the box cover 2, the movable assembly comprises a movable seat 15, a movable groove is vertically formed in one side of the box cover 2, the movable seat 15 is vertically inserted into the movable groove, the movable seat 15 is inserted into the upper end of one side of the movable groove, a piston ring 16 is sleeved on the upper end of the movable seat 15, the outer circumferential surface of the piston ring 16 is in contact with the movable groove, an internal thread groove is formed in the upper end of the movable seat 15, an annular power connection groove is formed in the internal thread groove, a power connection ring 17 is arranged at the lower end of the indicator lamp 5, the lower end of the indicator lamp 5 is inserted into the internal thread groove through threads, and the power connection ring 17 is inserted into the power connection groove, so that the indicator lamp 5 is convenient to replace and connect;
the connecting assembly is arranged at the lower end of the movable assembly and is connected with the power module 4, the connecting assembly comprises a connecting rod 18 and a connecting frame 19, the connecting rod 18 vertically penetrates through the movable groove and is arranged at the center of the lower end of the movable seat 15, the connecting frame 19 is sleeved with the center of the power module 4 through a bolt, the upper end of the connecting frame 19 is provided with a connecting block 20, the lower end of the connecting rod 18 is inserted and arranged in the connecting block 20, two sides of the connecting rod 18 are symmetrically inserted and arranged with limiting blocks 22 through positioning rods and second springs 21, the second springs 21 are sleeved and arranged with positioning rods, the connecting block 20 is sleeved and connected with two limiting grooves symmetrically, one side of each limiting block 22 is respectively inserted and arranged in each limiting groove, two side surfaces of each limiting block 22 and each limiting groove are respectively provided with an inclined surface structure, the center of each movable groove 15 vertically is provided with a push groove, the center of the lower end of the indicating lamp 5 is provided with a push block 23, the upper end of each connecting rod 18 is vertically inserted and arranged with a push rod 24, the upper end of each push rod 24 is inserted and arranged in the push groove in a way to be contacted with the lower end of the push block 23, one side of each push rod 24 is sleeved and arranged with a third spring, each side of each push rod 22 is inserted and arranged in the push rod is inserted and arranged in the push groove to be symmetrically, one side of each side of the connecting rod 22 is sleeved and arranged in the push rod is arranged in the push groove to be connected with an upper side 25, and each side of the upper side 25 is contacted with each inclined surface 25, and each side of each side is contacted with each side of the push rod is respectively;
the lifting assembly is arranged at the lower end of one side in the mounting groove, the upper end of the lifting assembly is connected with the lower end of the power module 4, the lifting assembly comprises two expansion rings 9, the two expansion rings 9 are inserted and arranged in the second mounting ring and are respectively sleeved with four guide rods 7, two sides between the first mounting ring and the second mounting ring are respectively provided with an inflatable box 10, one sides of the two inflatable boxes 10 are respectively connected with the two expansion rings 9 through a communicating pipe, a plurality of exhaust holes 11 are uniformly formed in one side of the two expansion rings 9, the air inflow of the expansion rings 9 is far greater than the air inflow of the exhaust holes, the one-way valve 6 penetrates through the mounting plate 3, the upper end of the one-way valve 6 penetrates through the lifting assembly and is connected with the lower end of the power module 4, the one-way valve 6 comprises a valve rod 12, a pull rope 13 is arranged at the upper end of the valve rod 12 in a connecting mode, one side of the pull rope 13 is provided with a self-limiting hook 14, the center of the lower end of the power module 4 is provided with a pull ring, the self-limiting hook 14 is hooked with the pull ring, the one-way valve 6 is only used for controlling the device, air exchange is performed when the device is used, the service life of the power module 4 and the indicator 5 is avoided, and frequent maintenance workers are placed in danger.
Working principle: when carrying out insulation detection, make high-voltage line closed through vacuum relay, allow measuring equipment to produce 2500V high pressure and pass through, indicator lamp 5 brightening, the mature box 10 that inflates in the prior art is to inflating in the expansion ring 9, because the air input is greater than the exhaust volume of exhaust hole 11, so expansion ring 9 drives power module 4 and link 19 top move movable seat 15 and indicator lamp 5 and stretch out the movable groove, conveniently observe, and dispel the heat to power module 4 under the exhaust hole effect of expansion ring 9, power module 4 is in semi-unsettled state this moment, the radiating effect is better, open check valve 6 simultaneously under the effect of stay cord 13, air is alternated inside and outside the device, in addition, threaded connection's indicator lamp 5 is convenient to be changed, the stopper 22 that the inclined plane set up makes things convenient for connecting rod 18 and link 19, when indicator lamp 5 is in the installed state, top moves push rod 24 and spacing to inclined panel 25, the connection between reinforcing connecting rod 18 and the link 19 is stable.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-voltage motor insulation detects isolating device which characterized in that: the isolation device includes:
the mounting box (1) and the box cover (2), wherein the mounting box (1) is a box body with a mounting groove and a mounting plate (3) at the upper end and the lower end respectively, and the box cover (2) is horizontally arranged at the upper end of the mounting box (1) through bolts;
the power module (4) is inserted into one side of the installation groove through the rebound assembly;
the indicator lamp (5) is arranged through the movable assembly plug-in box cover (2);
the connecting component is arranged at the lower end of the movable component and is connected with the power supply module (4);
the lifting assembly is arranged at the lower end of one side in the mounting groove, and the upper end of the lifting assembly is connected with the lower end of the power module (4);
the one-way valve (6) is arranged through the mounting plate (3), and the upper end of the one-way valve (6) penetrates through the lifting assembly and is connected with the lower end of the power module (4);
a first mounting ring is arranged on one side in the mounting groove, a second mounting ring is arranged in the first mounting ring, the rebound assembly comprises four guide rods (7), the four guide rods (7) are respectively and vertically symmetrically arranged in the second mounting ring, and the power module (4) is horizontally sleeved with the four guide rods (7);
the lifting assembly comprises two expansion rings (9), the two expansion rings (9) are inserted into a second mounting ring and are respectively sleeved with four guide rods (7), two sides between the first mounting ring and the second mounting ring are respectively provided with an inflation box (10), one side of each inflation box (10) is respectively connected with the two expansion rings (9) through a communicating pipe, and a plurality of exhaust holes (11) are uniformly formed in one side of each expansion ring (9);
the movable assembly comprises a movable seat (15), a movable groove is vertically formed in one side of the box cover (2), the movable seat (15) is vertically inserted and arranged in the movable groove, a piston ring (16) is sleeved at the upper end of one side of the movable seat (15) inserted and arranged in the movable groove, and the outer circumferential surface of the piston ring (16) is in contact with the inside of the movable groove;
the movable seat (15) is characterized in that an inner thread groove is formed in the upper end of the movable seat, an annular power receiving groove is formed in the inner thread groove, a power receiving ring (17) is arranged at the lower end of the indicator lamp (5), the lower end of the indicator lamp (5) is inserted into the inner thread groove through threads, and the power receiving ring (17) is inserted into the power receiving groove.
2. The insulation detection isolation device of a high-voltage motor according to claim 1, wherein: the guide rod (7) penetrates through the upper end of the power module (4) and is sleeved with a first spring (8), and the upper end of the first spring (8) of the guide rod (7) is provided with a limit nut through threaded connection.
3. The insulation detection isolation device of a high-voltage motor according to claim 2, wherein: the one-way valve (6) comprises a valve rod (12), a pull rope (13) is connected to the upper end of the valve rod (12), a self-limiting hook (14) is arranged on one side of the pull rope (13), a pull ring is arranged at the center of the lower end of the power module (4), and the self-limiting hook (14) is hooked with the pull ring.
4. A high voltage motor insulation detection isolator as claimed in claim 3, wherein: the connecting assembly comprises a connecting rod (18) and a connecting frame (19), wherein the connecting rod (18) vertically penetrates through the movable groove and is arranged at the center of the lower end of the movable seat (15), the connecting frame (19) is sleeved with the center of the power module (4) through a bolt, the upper end of the connecting frame (19) is provided with a connecting block (20), and the lower end of the connecting rod (18) is inserted into the connecting block (20).
5. The insulation detection isolation device for a high-voltage motor according to claim 4, wherein: the connecting rod (18) is pegged graft and is arranged in both sides in connecting block (20) and is equipped with stopper (22) through locating lever and second spring (21) symmetry grafting, and locating lever setting is cup jointed to second spring (21), and connecting block (20) cup joints connecting rod (18) both sides symmetry and has seted up two spacing grooves, and in spacing inslot was pegged graft respectively in two stopper (22) one side, and stopper (22) and spacing inslot both sides face were inclined plane structure setting.
6. The insulation detection isolation device for a high-voltage motor according to claim 5, wherein: the movable seat (15) is internally provided with a push groove vertically at the center, the center of the lower end of the indicator lamp (5) is provided with a push block (23), the upper end of the connecting rod (18) is vertically inserted and connected with a push rod (24), the upper end of the push rod (24) is inserted and connected with the lower end of the push block (23) in the push groove in a penetrating manner, one side of the push rod (24) inserted and connected with a third spring in the push groove in a sleeving manner, two limiting blocks (22) are inserted and connected with one side of the connecting rod (18) in an inserting manner, the upper ends of the two inclined plates (25) are respectively contacted with two sides of the lower end of the push rod (24), and one side of the contact is an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111502967.6A CN114217186B (en) | 2021-12-10 | 2021-12-10 | High-voltage motor insulation detection isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111502967.6A CN114217186B (en) | 2021-12-10 | 2021-12-10 | High-voltage motor insulation detection isolation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114217186A CN114217186A (en) | 2022-03-22 |
| CN114217186B true CN114217186B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111502967.6A Active CN114217186B (en) | 2021-12-10 | 2021-12-10 | High-voltage motor insulation detection isolation device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455408A (en) * | 2015-08-05 | 2017-02-22 | 中兴通讯股份有限公司 | Heat radiating device |
| CN207396645U (en) * | 2017-09-07 | 2018-05-22 | 李江 | A kind of Electronics and Information Engineering testing agency |
| CN209215563U (en) * | 2018-11-06 | 2019-08-06 | 天津金吉利自动化技术有限公司 | A kind of power supply test case |
| CN110190227A (en) * | 2019-06-17 | 2019-08-30 | 上海依呗科技有限公司 | A kind of Portable DC system battery group having self-test capability |
| CN213337869U (en) * | 2020-05-15 | 2021-06-01 | 山东威纳电气有限公司 | High-voltage isolation device for insulation monitoring of high-voltage motor |
-
2021
- 2021-12-10 CN CN202111502967.6A patent/CN114217186B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455408A (en) * | 2015-08-05 | 2017-02-22 | 中兴通讯股份有限公司 | Heat radiating device |
| CN207396645U (en) * | 2017-09-07 | 2018-05-22 | 李江 | A kind of Electronics and Information Engineering testing agency |
| CN209215563U (en) * | 2018-11-06 | 2019-08-06 | 天津金吉利自动化技术有限公司 | A kind of power supply test case |
| CN110190227A (en) * | 2019-06-17 | 2019-08-30 | 上海依呗科技有限公司 | A kind of Portable DC system battery group having self-test capability |
| CN213337869U (en) * | 2020-05-15 | 2021-06-01 | 山东威纳电气有限公司 | High-voltage isolation device for insulation monitoring of high-voltage motor |
Non-Patent Citations (1)
| Title |
|---|
| 高压绝缘在线监控仪在高压电机运行中的应用;孙江波;潘国峰;;神华科技;20180521(第05期);52-54 * |
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| CN114217186A (en) | 2022-03-22 |
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