CN113341314A - Transformer on-load switch tester - Google Patents
Transformer on-load switch tester Download PDFInfo
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- CN113341314A CN113341314A CN202110736851.2A CN202110736851A CN113341314A CN 113341314 A CN113341314 A CN 113341314A CN 202110736851 A CN202110736851 A CN 202110736851A CN 113341314 A CN113341314 A CN 113341314A
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- driving
- load switch
- transformer
- drive
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- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides a transformer on-load switch tester, which belongs to the technical field of electric power detection equipment and comprises a bottom supporting part, a bearing part, a guide part, a reset part, a second driving part, a first driving part and a detection part, wherein the bearing part is arranged at one end of the bottom supporting part and is used for supporting a transformer on-load switch, the first driving part is used for driving the bearing part to rotate at one end of the bottom supporting part, the guide part is arranged at one side of the bearing part, a notch for a wiring pin of the transformer on-load switch to enter is formed in one side of the guide part, the detection part is arranged in the guide part, and after the wiring pin of the transformer on-load switch enters the notch, the second driving part can drive the detection part to move from the inside of the guide part to the inside of the notch. Compared with the prior art, the method and the device can realize the continuity test of the on-load switch of the transformer and improve the test efficiency of the on-load switch of the transformer.
Description
Technical Field
The invention belongs to the technical field of power detection equipment, and particularly relates to a transformer on-load switch tester.
Background
An on-load switch, also called an on-load tap changer, is a switching device for providing a constant voltage to a transformer when a load changes.
At present, after the on-load switch of a transformer is produced, relevant tests before leaving the factory need to be carried out to ensure that the performance of the on-load switch of the transformer leaving the factory meets requirements.
Disclosure of Invention
In view of the above deficiencies of the prior art, an embodiment of the present invention provides a transformer on-load switch tester.
In order to solve the technical problems, the invention provides the following technical scheme:
a transformer on-load switch tester comprises a bottom supporting part, a bearing part, a guide part, a reset part, a second driving part, a first driving part and a detection part,
the bearing part is arranged at one end of the bottom support part and is used for supporting a transformer on-load switch, the first driving part is used for driving the bearing part to rotate at one end of the bottom support part, the guide part is arranged at one side of the bearing part, one side of the guide part is provided with a notch for a wiring pin of the transformer on-load switch to enter,
the detection part is arranged in the guide part, after the on-load switch wiring pin of the transformer enters the notch, the second driving part can drive the detection part to move from the inside of the guide part to the inside of the notch so as to drive the detection part to be electrically connected with the on-load switch wiring pin of the transformer, thereby realizing the test of the on-load switch of the transformer,
the reset portion is arranged inside the guide portion, and after the transformer on-load switch completes testing, the reset portion can drive the detection portion to be moved to the inside of the guide portion from the inside of the notch, so that reset of the detection portion is achieved.
As a further improvement of the invention: the detection part comprises a conductor, a detection instrument and a sliding seat,
the electric conductor and the sliding seat are movably arranged inside the guide part, the electric conductor is connected with the sliding seat through an elastic piece, the detection instrument is electrically connected with the electric conductor, a sliding groove is formed in the side wall of the guide part, an elastic blocking piece is fixedly arranged on the side wall of the sliding seat, and the elastic blocking piece extends to the outside of the guide part from the sliding groove and is connected with the second driving part.
As a further improvement of the invention: the second driving part comprises a rotating wheel, a power part and a plurality of shift levers,
the driving levers are arranged on the circumferential side wall of the rotating wheel at intervals, the power part is used for driving the rotating wheel to rotate so as to drive the driving levers to do circumferential motion, and the driving levers can act on the elastic blocking pieces so as to drive the elastic blocking pieces to move when doing circumferential motion.
As a further improvement of the invention: one end of the reset part is connected with the sliding seat, and the other end of the reset part is connected with the inner wall of the guide part.
As a still further improvement of the invention: the bottom support part comprises a base and a vertical rod fixedly arranged on one side of the base, the bearing part comprises a bearing disc and a column casing fixedly arranged on one side of the bearing disc, one end of the vertical rod far away from the base extends into the column casing and is in rotating fit with the column casing, a transmission gear is fixedly arranged on the outer side of the column casing,
the first driving part comprises a motor and a driving gear, the driving gear is connected with the output end of the motor through a rotating shaft, and the driving gear is meshed with the transmission gear.
As a still further improvement of the invention: the power part comprises a drive bevel gear, a transmission rod and a transmission belt wheel,
the driving bevel gear is fixedly arranged at one end of the transmission rod, the transmission belt wheel is fixedly arranged at the other end of the transmission rod, the transmission bevel gear is fixedly arranged on one side of the rotating wheel, the driving bevel gear is meshed with the transmission bevel gear, the driving belt wheel is fixedly arranged on the rotating shaft, and the driving belt wheel is connected with the transmission belt wheel through a transmission belt.
As a still further improvement of the invention: the pole setting lateral wall is fixed and is provided with first support, the fixed second support that is provided with in first support one side, the guide part is fixed to be set up second support and side, the runner rotates to be set up second support one side, second support lateral wall is the fixed positioning seat that is provided with still, the transfer line run through the positioning seat and with positioning seat normal running fit.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the on-load switch of the transformer to be tested is arranged at the edge position of the bearing part, the bearing part is driven to rotate at one end of the bottom support part by the first driving part, the on-load switch of the transformer can be driven to do circular motion when the bearing part rotates, the wiring pin of the on-load switch of the transformer can rotate to enter the gap, the second driving part drives the detection part to move after the wiring pin enters the gap, so that the detection part moves to the inside of the gap and is electrically connected with the wiring pin to test the on-load switch of the current transformer, and after the test is finished, the detection part is driven to move to the inside of the guide part by the reset part to realize the reset of the detection part until the wiring pin of the on-load switch of the next group of transformers moves to the inside of the gap, so as to realize the test of the on-load switch of the next group of transformers, compared with the prior art, the continuity test of the on-load switch of the transformers can be realized, the testing efficiency of the on-load switch of the transformer can be improved.
Drawings
FIG. 1 is a schematic diagram of a transformer on-load switch tester;
FIG. 2 is a schematic structural diagram of a second driving part in a transformer on-load switch tester;
FIG. 3 is an enlarged view of area A of FIG. 1;
in the figure: 1-bottom supporting part, 11-base, 12-upright rod, 13-first support, 14-second support, 2-bearing part, 21-bearing disk, 22-transmission gear, 23-column casing, 3-guide part, 31-reset part, 32-notch, 33-chute, 4-second drive part, 41-deflector rod, 42-rotating wheel, 43-transmission bevel gear, 5-power part, 51-drive bevel gear, 52-transmission rod, 53-positioning seat, 54-transmission belt wheel, 55-transmission belt, 6-first drive part, 61-motor, 62-rotating shaft, 63-driving gear, 7-detection part, 71-electric conductor, 72-elastic body, 73-elastic baffle and 74-sliding seat.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1, this embodiment provides a transformer on-load switch tester, which includes a bottom supporting portion 1, a carrying portion 2, a guiding portion 3, a resetting portion 31, a second driving portion 4, a first driving portion 6, and a detecting portion 7, where the carrying portion 2 is disposed at one end of the bottom supporting portion 1 for supporting a transformer on-load switch, the first driving portion 6 is used to drive the carrying portion 2 to rotate at one end of the bottom supporting portion 1, the guiding portion 3 is disposed at one side of the carrying portion 2, a notch 33 is disposed at one side of the guiding portion 3 for a transformer on-load switch wiring pin to enter, the detecting portion 7 is disposed inside the guiding portion 3, and after the transformer on-load switch wiring pin enters the notch 33, the second driving portion 4 can drive the detecting portion 7 to move from inside of the guiding portion 3 to inside of the notch 33, so as to drive the detecting portion 7 to be electrically connected with the transformer on-load switch wiring pin, realize the test of transformer on-load switch, reset portion 31 sets up inside guide part 3, after the test is accomplished to transformer on-load switch, reset portion 31 can drive detection portion 7 by breach 33 is inside to be moved to inside guide part 3 to realize the resetting of detection portion 7.
The on-load switch of the transformer to be tested is arranged at the edge position of the bearing part 2, the bearing part 2 is driven to rotate at one end of the bottom supporting part 1 by the first driving part 6, the bearing part 2 can drive the on-load switch of the transformer to do circular motion when rotating, the wiring pin of the on-load switch of the transformer can rotate to enter the notch 33 when the on-load switch of the transformer does circular motion, the second driving part 4 drives the detecting part 7 to move after the wiring pin enters the notch 33, so that the detecting part 7 moves to the notch 33 and is electrically connected with the wiring pin to test the on-load switch of the current transformer, after the test is finished, the resetting part 31 drives the detecting part 7 to move to the inside of the guiding part 3 to realize the resetting of the detecting part 7 until the wiring pin of the on-load switch of the next group of transformers moves to the notch 33 to realize the testing of the on-load switch of the next group of transformers, thus realizing the continuous testing operation of the on-load switch of the transformer, and further, the testing efficiency of the on-load switch of the transformer is improved.
Referring to fig. 3, in an embodiment, the detecting portion 7 includes a conductive body 71, a detecting instrument (not shown in the figure), and a sliding seat 74, the conductive body 71 and the sliding seat 74 are movably disposed inside the guiding portion 3, the conductive body 71 is connected to the sliding seat 74 through an elastic member 72, the detecting instrument is electrically connected to the conductive body 71, a sliding slot 33 is disposed on a side wall of the guiding portion 3, an elastic blocking piece 73 is fixedly disposed on a side wall of the sliding seat 74, and the elastic blocking piece 73 extends from the sliding slot 33 to an outside of the guiding portion 3 and is connected to the second driving portion 4.
The second driving portion 4 drives the elastic catch 73 to move along the sliding groove 33, and further drives the sliding seat 74 to move along the inside of the guiding portion 3, when the sliding seat 74 moves, the elastic piece 72 can drive the electric conductor 71 to move, the electric conductor 71 is driven to move into the notch 32 and is connected with the wiring pin of the transformer on-load switch, and further electric conduction between the transformer on-load switch and the electric conductor 71 is achieved, the transformer on-load switch can be tested by using a detection instrument, and through the arrangement of the elastic body 72, when the electric conductor 71 is connected with the wiring pin, the electric conductor 71 can provide elastic supporting force for the electric conductor 71, and the connection effect of the electric conductor 71 and the wiring pin is driven.
In the above embodiments, the conductor 71 is a metal conductive block or a metal conductive rod, and the elastic body 72 is a spring or a resilient piece.
In another embodiment, the detecting portion 7 may further include a detecting instrument and a lead pin connected to the detecting instrument, the lead pin is movably disposed inside the guiding portion 3, one side of the lead pin is connected to a pressing seat through a rubber cushion, a sliding rod is fixedly disposed on a side wall of the pressing seat, a guiding groove is formed on a side wall of the guiding portion 3, and the sliding rod extends from the guiding groove to the outside of the guiding portion 3 and is connected to the second driving portion 4.
The second driving portion 4 drives the slide bar to slide along the guide groove, so that the extrusion seat is driven to move, when the extrusion seat moves, the rubber buffer cushion can drive the lead pin to move to the inside of the notch 32 and be connected with the wiring pin, and a detection instrument is used for testing the on-load switch of the transformer.
Referring to fig. 1 and fig. 2, in an embodiment, the second driving portion 4 includes a rotating wheel 42, a power portion 5 and a plurality of shift levers 41, the plurality of shift levers 41 are disposed at intervals on a circumferential sidewall of the rotating wheel 42, the power portion 5 is configured to drive the rotating wheel 42 to rotate so as to drive the plurality of shift levers 41 to move circumferentially, and the plurality of shift levers 41 can act on the elastic blocking piece 73 during the circumferential movement so as to drive the elastic blocking piece 73 to move.
The power part 5 drives the rotating wheel 42 to rotate, so as to drive a plurality of shifting rods 41 to do circular motion, the shifting rods 41 can act on the elastic blocking pieces 73 during the circular motion, so as to drive the elastic blocking pieces 73 to slide along the inner part of the sliding groove 33, and the sliding blocks 73 can drive the sliding seat 74 to move in the guide part 3 during the sliding, so as to drive the electric conductor 71 to move to the inner part of the gap 32, thereby realizing the electric connection with the wiring pin.
In another embodiment, the second driving portion 4 may further include a first magnetic sheet fixedly disposed on one side of the elastic blocking sheet 73, a rotating member disposed on one side of the elastic blocking sheet 73, a plurality of second magnetic sheets disposed on a sidewall of the rotating member and spaced apart from each other, and an external motor for driving the rotating member to rotate, wherein the first magnetic sheet and the second magnetic sheet repel each other.
The rotating part is driven to rotate by an external motor, so that the second magnetic sheet is driven to rotate, when the second magnetic sheet rotates to correspond to the first magnetic sheet, the elastic blocking piece 73 is driven to slide along the sliding groove 33 by utilizing the repulsion effect between the second magnetic sheet and the first magnetic sheet, so as to drive the sliding seat 74 and the electric conductor 71 to move, and the electric conductor 71 is driven to move to the inside of the notch 32 and is electrically connected with the wiring pin.
In the above embodiments, the rotating member may be a rotating shaft or a rotating drum.
Referring to fig. 1 and 3, in an embodiment, the reset portion 31 is a spring or an elastic rib, and one end of the reset portion 31 is connected to the sliding seat 74, and the other end is connected to the inner wall of the guiding portion 3, when a set of shift levers 41 acts on the elastic stop piece 73 to drive the elastic stop piece 73 to move, the reset portion 31 is continuously elongated, and as the shift lever 41 continues to rotate, the set of shift levers 41 actually moves relative to the elastic stop piece 73, when the shift lever 41 rotates to a certain position, the shift lever 41 can be separated from one end of the elastic stop piece 73, at this time, the effect of the high shift lever 41 on the elastic stop piece 73 is released, at this time, the sliding seat 74, the elastic stop piece 73 and the electric conductor 71 can be driven to move in opposite directions by the pulling of the reset portion 31, so that the electric conductor 71 is removed from the inside of the notch 32, so that the next set of wiring pins enters the notch 32, and the next set of shift levers 41 acts on the elastic stop piece 73 again, therefore, the conductor 71 continuously enters the gap 32, so that the on-load switch of the transformer can be continuously tested.
Referring to fig. 1, in an embodiment, the bottom supporting portion 1 includes a base 11 and an upright rod 12 fixedly disposed on one side of the base 11, the bearing portion 2 includes a bearing disc 21 and a column casing 23 fixedly disposed on one side of the bearing disc 21, one end of the upright rod 12 away from the base 11 extends into the column casing 23 and is in rotating fit with the column casing 23, a transmission gear 22 is fixedly disposed on an outer side of the column casing 23, the first driving portion 6 includes a motor 61 and a driving gear 63, the driving gear 63 is connected to an output end of the motor 61 through a rotating shaft 62, and the driving gear 63 is engaged with the transmission gear 22.
The motor 61 drives the rotating shaft 62 to rotate, so as to drive the driving gear 63 to rotate, the column sleeve 23 is driven to rotate by utilizing the meshing action between the driving gear 63 and the transmission gear 22, and then the bearing disc 21 is driven to rotate, so that the bearing disc 21 can drive the transformer on-load switch to move circumferentially, wiring pins of different transformer on-load switches can enter the notches 32 one by one, and the continuous testing of a plurality of groups of transformer on-load switches is realized.
In another embodiment, the bottom portion 1 may further include a base 11 and a bearing seat fixedly disposed on one side of the base 11, the bearing portion 2 may further include a bearing tray 21 and a pillar fixedly disposed on one side of the bearing tray 21, one end of the pillar far away from the bearing tray 21 is rotatably matched with the bearing seat, the first driving portion 6 may further include a motor 61 and a driving sprocket connected to an output end of the motor 61, the supporting pillar is fixedly provided with a driving sprocket, and the driving sprocket is connected to the driving sprocket through a chain.
The motor 61 drives the driving chain wheel to rotate, the supporting columns are driven to rotate by the aid of transmission of the chains, the bearing disc 21 is driven to rotate, transfer and conveying of the transformer on-load switches are achieved, and different transformer on-load switch wiring pins are sequentially transferred to the notch 32 to be tested.
Referring to fig. 1 and 2, in an embodiment, the power part 5 includes a driving bevel gear 51, a transmission rod 52 and a transmission pulley 54, the driving bevel gear 51 is fixedly disposed at one end of the transmission rod 52, the transmission pulley 54 is fixedly disposed at the other end of the transmission rod 52, a transmission bevel gear 43 is fixedly disposed at one side of the rotating wheel 42, the driving bevel gear 51 is engaged with the transmission bevel gear 43, a driving pulley is fixedly disposed on the rotating shaft 62, and the driving pulley is connected to the transmission pulley 54 through a transmission belt 55.
The rotating shaft 62 can also drive the driving pulley to rotate at the same time of rotating, the driving rod 52 can be driven to rotate by the transmission function of the transmission belt 55, the driving bevel gear 51 can be driven to rotate by the driving rod 52, the rotating wheel 42 can be driven to rotate by the meshing function of the driving bevel gear 51 and the driving bevel gear 43, and then the plurality of shift levers 41 can be driven to do circular motion.
In another embodiment, to realize the rotation of the rotating wheel 42, the power portion 5 may also be directly composed of a driving motor, and the driving motor is connected to the rotating wheel 42 and drives the rotating wheel 42 to rotate.
Referring to fig. 1 and fig. 2, in an embodiment, a first bracket 13 is fixedly disposed on a side wall of the upright 12, a second bracket 14 is fixedly disposed on one side of the first bracket 13, the guide portion 3 is fixedly disposed on the second bracket 14 and the side of the second bracket 14, the rotating wheel 42 is rotatably disposed on one side of the second bracket 14, a positioning seat 53 is further fixedly disposed on a side wall of the second bracket 14, and the transmission rod 52 penetrates through the positioning seat 53 and is in rotating fit with the positioning seat 53.
Referring to fig. 1 to 3, in an embodiment, the guiding portion 3 is a ring structure, an inner cavity having one end communicating with the notch 32 is formed inside the guiding portion 3, and the conductive body 71, the sliding seat 74 and the restoring portion 31 are all disposed inside the inner cavity.
In the embodiment of the invention, a transformer on-load switch to be tested is arranged at the edge position of a bearing part 2, a first driving part 6 is utilized to drive the bearing part 2 to rotate at one end of a bottom supporting part 1, the bearing part 2 can drive the transformer on-load switch to do circular motion when rotating, when the transformer on-load switch does circular motion, a wiring pin of the transformer on-load switch can rotate to enter a notch 33, and after the wiring pin enters the notch 33, a second driving part 4 drives a detection part 7 to move, so that the detection part 7 moves to the notch 33 and is electrically connected with the wiring pin to test the current transformer on-load switch, after the test is finished, a reset part 31 drives the detection part 7 to move to the inside of a guide part 3 to realize the reset of the detection part 7 until the wiring pin of the next group of transformer on-load switches moves to the notch 33 to realize the test of the next group of transformer on-load switches, compared with the prior art, the continuity test of the on-load switch of the transformer can be realized, and the test efficiency of the on-load switch of the transformer can be improved.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A transformer on-load switch tester is characterized by comprising a bottom supporting part, a bearing part, a guide part, a reset part, a second driving part, a first driving part and a detection part,
the bearing part is arranged at one end of the bottom support part and is used for supporting a transformer on-load switch, the first driving part is used for driving the bearing part to rotate at one end of the bottom support part, the guide part is arranged at one side of the bearing part, one side of the guide part is provided with a notch for a wiring pin of the transformer on-load switch to enter,
the detection part is arranged in the guide part, after the on-load switch wiring pin of the transformer enters the notch, the second driving part can drive the detection part to move from the inside of the guide part to the inside of the notch so as to drive the detection part to be electrically connected with the on-load switch wiring pin of the transformer, thereby realizing the test of the on-load switch of the transformer,
the reset portion is arranged inside the guide portion, and after the transformer on-load switch completes testing, the reset portion can drive the detection portion to be moved to the inside of the guide portion from the inside of the notch, so that reset of the detection portion is achieved.
2. The on-load switch tester of transformer according to claim 1, wherein the detecting part comprises a conductive body, a detecting instrument and a sliding seat,
the electric conductor and the sliding seat are movably arranged inside the guide part, the electric conductor is connected with the sliding seat through an elastic piece, the detection instrument is electrically connected with the electric conductor, a sliding groove is formed in the side wall of the guide part, an elastic blocking piece is fixedly arranged on the side wall of the sliding seat, and the elastic blocking piece extends to the outside of the guide part from the sliding groove and is connected with the second driving part.
3. The on-load switch tester of transformer as claimed in claim 2, wherein the second driving portion comprises a wheel, a power portion and a plurality of levers,
the driving levers are arranged on the circumferential side wall of the rotating wheel at intervals, the power part is used for driving the rotating wheel to rotate so as to drive the driving levers to do circumferential motion, and the driving levers can act on the elastic blocking pieces so as to drive the elastic blocking pieces to move when doing circumferential motion.
4. A transformer on-load switch tester as claimed in claim 3 wherein the reset portion is connected to the slide at one end and to the inner wall of the guide portion at the other end.
5. The on-load switch tester for transformers according to claim 3 or 4, wherein the bottom part comprises a base and a vertical rod fixedly arranged on one side of the base, the bearing part comprises a bearing plate and a column casing fixedly arranged on one side of the bearing plate, one end of the vertical rod far away from the base extends into the column casing and is in rotating fit with the column casing, a transmission gear is fixedly arranged on the outer side of the column casing,
the first driving part comprises a motor and a driving gear, the driving gear is connected with the output end of the motor through a rotating shaft, and the driving gear is meshed with the transmission gear.
6. The on-load switch tester for transformers according to claim 5 wherein the power section comprises a drive bevel gear, a drive rod and a drive pulley,
the driving bevel gear is fixedly arranged at one end of the transmission rod, the transmission belt wheel is fixedly arranged at the other end of the transmission rod, the transmission bevel gear is fixedly arranged on one side of the rotating wheel, the driving bevel gear is meshed with the transmission bevel gear, the driving belt wheel is fixedly arranged on the rotating shaft, and the driving belt wheel is connected with the transmission belt wheel through a transmission belt.
7. The on-load switch tester for transformers according to claim 6, wherein the sidewall of the vertical rod is fixedly provided with a first bracket, one side of the first bracket is fixedly provided with a second bracket, the guiding portion is fixedly provided on the second bracket and the side thereof, the rotating wheel is rotatably provided on one side of the second bracket, the sidewall of the second bracket is further fixedly provided with a positioning seat, and the driving rod penetrates through the positioning seat and is rotatably engaged with the positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736851.2A CN113341314A (en) | 2021-06-30 | 2021-06-30 | Transformer on-load switch tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736851.2A CN113341314A (en) | 2021-06-30 | 2021-06-30 | Transformer on-load switch tester |
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| Publication Number | Publication Date |
|---|---|
| CN113341314A true CN113341314A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110736851.2A Pending CN113341314A (en) | 2021-06-30 | 2021-06-30 | Transformer on-load switch tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751368A (en) * | 2021-09-30 | 2021-12-07 | 深圳市优界科技有限公司 | Automatic wafer sorting machine |
| CN113945868A (en) * | 2021-10-28 | 2022-01-18 | 深圳研朗自动化设备有限公司 | Transformer testing device |
-
2021
- 2021-06-30 CN CN202110736851.2A patent/CN113341314A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751368A (en) * | 2021-09-30 | 2021-12-07 | 深圳市优界科技有限公司 | Automatic wafer sorting machine |
| CN113945868A (en) * | 2021-10-28 | 2022-01-18 | 深圳研朗自动化设备有限公司 | Transformer testing device |
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