CN116027155A - Withstand voltage test method of knob insulator type circuit breaker - Google Patents
Withstand voltage test method of knob insulator type circuit breaker Download PDFInfo
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- CN116027155A CN116027155A CN202211703788.3A CN202211703788A CN116027155A CN 116027155 A CN116027155 A CN 116027155A CN 202211703788 A CN202211703788 A CN 202211703788A CN 116027155 A CN116027155 A CN 116027155A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a withstand voltage test method of a knob insulator type circuit breaker, which is characterized by comprising the following steps of: the specific test method is as follows: s1: the circuit breaker is grounded and insulated; s2: a circuit breaker wiring; s3: debugging test equipment; s4: withstand voltage test; the transmission screw and the transmission nut are arranged on the base, so that the whole detection frame unit can move in the horizontal direction; through set up driven screw-nut pair in the stand of detecting the frame unit, drive the drive post that links to each other with screw-nut pair through motor drive screw-nut pair and move in vertical direction to the cantilever frame that control links to each other with the drive post moves in vertical direction, has just so realized the position adjustment of the detection contact on the cantilever frame, detects very convenient and fast, very great improvement detection efficiency.
Description
Technical Field
The invention relates to the technical field of withstand voltage tests of circuit breakers, in particular to a withstand voltage test method of a knob insulator type circuit breaker.
Background
The circuit breaker comprises a solid sealed pole and a case, wherein the solid sealed pole is assembled above the case. After the chassis and the solid-sealed polar pole are assembled, an insulation test is required to be carried out on the circuit breaker according to national standard GB/T1984, and the insulation test is required to be realized through an insulation withstand voltage test device and withstand voltage detection equipment.
The Chinese patent discloses an automatic voltage withstand test device (issued bulletin No. CN 212675108U) of a circuit breaker, and the technology of the patent can save cost, improve efficiency and test reliability and has high degree of automation; various withstand voltage tests can be carried out on the circuit breaker; the voltage withstand test can be carried out on various circuit breakers, however, the circuit breakers cannot be rapidly led in and led out, the detection efficiency is affected, and meanwhile, the circuit breakers cannot be positioned and rapidly fixed, so that the circuit breakers cannot be rapidly tested. Accordingly, a method for withstand voltage test of a knob insulator type circuit breaker is provided by those skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The invention aims to solve the technical problem of providing a withstand voltage test method of a knob insulator type circuit breaker, which can solve the problems that the common circuit breaker cannot be quickly led in and led out to influence the detection efficiency, and meanwhile, the circuit breaker cannot be positioned and quickly fixed, so that the circuit breaker is inconvenient to quickly test.
In order to solve the technical problems, the technical scheme of the invention is as follows: a withstand voltage test method of a knob insulator type circuit breaker is characterized in that: the specific test method is as follows:
s1: circuit breaker ground insulation: transferring the circuit breaker to be tested to one side of test equipment through a transfer tool, and placing the circuit breaker on an insulating supporting table and fixing the circuit breaker in position;
s2: circuit breaker wiring: connecting a high-voltage power supply with the circuit breaker through a wire, and checking each wiring position of the circuit breaker;
s3: debugging of test equipment: the driving device drives the test equipment to approach the circuit breaker, the contact condition is observed, corresponding position adjustment is carried out, the contact requirement of the test is met, and the test equipment is separated from the contact;
s4: withstand voltage test: switching on a switch of a high-voltage power supply, approaching test equipment to a breaker through driving equipment, and performing a withstand voltage test; after the test is completed, the high-voltage power supply is turned off, the test equipment is separated from the circuit breaker under the drive of the driving device, and finally, the circuit breaker structure is transferred through the transfer tool.
Further, the bottom of test equipment is connected on ground through the insulating spike.
Further, the driving device is of a screw-nut pair structure capable of horizontally moving and lifting.
Further, the test equipment comprises a base, a driving module and a detection frame group; the driving module and the detection frame group are arranged on the base;
the base is of a rectangular frame structure, the lower surface of the base is arranged on the ground, and insulating supporting feet are arranged between the base and the ground;
the driving module is horizontally arranged on the upper surface of the base and comprises a transmission screw rod, a transmission nut and a driving motor; the two ends of the transmission screw rod are mounted on the upper surface of the base in a matched manner through a rotary shaft and a bearing seat, the transmission nut is mounted on the transmission screw rod, the driving motor is mounted at one end of the transmission screw rod, and the transmission screw rod is driven to rotate through the driving motor so as to drive the transmission nut to reciprocate along the extending direction of the transmission screw rod;
the detection frame group comprises at least one pair of detection frame units, and the detection frame units comprise an underframe, an upright post and a cantilever frame; the underframe is arranged on a transmission nut of the driving module, and the transmission nut drives the underframe to move along the horizontal direction; the upright post is vertically arranged on the underframe, is of a hollow tubular structure, is internally provided with a screw-nut pair along the vertical direction, is provided with a motor for driving the screw-nut pair to move at the bottom end, is connected with a transmission column, and is driven by the motor to lift along the vertical direction through the screw-nut pair, and is nested in the upright post and is of a hollow tubular structure; the cantilever mount is arranged on the transmission column, and can move along the transmission column in the vertical direction to adjust the height; the cantilever frame comprises a horizontal cantilever and a diagonal cantilever; the horizontal cantilever is vertically connected to the transmission column, and one end of the horizontal cantilever is provided with a detection contact; one end of the inclined pulling arm is connected to the end part of the horizontal cantilever, and the other end of the inclined pulling arm is connected to the top end of the transmission column.
The invention has the advantages that:
1) According to the invention, the transmission screw and the transmission nut are arranged on the base, so that the whole detection frame unit can move in the horizontal direction; through set up driven screw-nut pair in the stand of detecting the frame unit, drive the drive post that links to each other with screw-nut pair through motor drive screw-nut pair and move in vertical direction to the cantilever frame that control links to each other with the drive post moves in vertical direction, has just so realized the position adjustment of the detection contact on the cantilever frame, detects very convenient and fast, very great improvement detection efficiency.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a flowchart of a method for withstand voltage test of a knob insulator type circuit breaker according to the present invention.
Fig. 2 is a diagram of a test apparatus of a withstand voltage test method of a knob insulator type circuit breaker according to the present invention.
Fig. 3 is an enlarged view of a test apparatus of a withstand voltage test method of a knob insulator type circuit breaker according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
The withstand voltage test method of the knob insulator type circuit breaker shown in fig. 1 to 3 comprises the following specific test methods:
s1: circuit breaker ground insulation: transferring the circuit breaker to be tested to one side of test equipment through a transfer tool, and placing the circuit breaker on an insulating supporting table and fixing the circuit breaker in position;
s2: circuit breaker wiring: connecting a high-voltage power supply with the circuit breaker through a wire, and checking each wiring position of the circuit breaker;
s3: debugging of test equipment: the driving device drives the test equipment to approach the circuit breaker, the contact condition is observed, corresponding position adjustment is carried out, the contact requirement of the test is met, and the test equipment is separated from the contact;
s4: withstand voltage test: switching on a switch of a high-voltage power supply, approaching test equipment to a breaker through driving equipment, and performing a withstand voltage test; after the test is completed, the high-voltage power supply is turned off, the test equipment is separated from the circuit breaker under the drive of the driving device, and finally, the circuit breaker structure is transferred through the transfer tool.
The bottom of test equipment is connected on ground through the insulating spike.
The driving device is of a screw-nut pair structure capable of horizontally moving and lifting.
The test equipment comprises a base 1, a driving module 2 and a detection frame group 3; the driving module 2 and the detection frame group 3 are arranged on the base 1.
The base 1 is a rectangular frame structure, the lower surface of the base 1 is arranged on the ground, and insulating supporting feet are arranged between the base 1 and the ground.
The driving module 2 is horizontally arranged on the upper surface of the base 1, and the driving module 2 comprises a transmission screw 21, a transmission nut 22 and a driving motor 23; the two ends of the transmission screw rod 21 are mounted on the upper surface of the base 1 through the matching of the rotating shaft and the bearing seat, the transmission nut 22 is mounted on the transmission screw rod 21, the driving motor 23 is mounted at one end of the transmission screw rod 21, and the transmission screw rod 21 is driven to rotate through the driving motor 23 to drive the transmission nut 22 to reciprocate along the extending direction of the transmission screw rod 21.
The detection frame group 3 includes at least one pair of detection frame units, and the detection frame units include a bottom frame 31, a column 32, and a cantilever frame 33; the underframe 31 is arranged on the transmission nut 22 of the driving module, and the transmission nut 22 drives the underframe to move along the horizontal direction; the upright post 32 is vertically arranged on the underframe 31, the upright post 32 is of a hollow tubular structure, a screw-nut pair is arranged in the upright post 32 along the vertical direction, a motor for driving the screw-nut pair to move is arranged at the bottom end of the upright post 32, a transmission column 34 is connected to the screw-nut pair, the transmission column 34 is driven by the motor to lift along the vertical direction through the screw-nut pair, the transmission column 34 is nested in the upright post 32, and the transmission column 34 is of a hollow tubular structure; the cantilever mount 33 is arranged on the transmission column 34, and the cantilever mount 33 can move along with the transmission column 34 in the vertical direction to adjust the height; the cantilever mount 33 includes a horizontal cantilever and a diagonal cantilever; the horizontal cantilever is vertically connected to the transmission column, and one end of the horizontal cantilever is provided with a detection contact; one end of the inclined pulling arm is connected to the end of the horizontal cantilever, and the other end of the inclined pulling arm is connected to the top end of the transmission column.
The working principle of the invention is as follows: the transmission screw and the transmission nut are arranged on the base, so that the whole detection frame unit can move in the horizontal direction; through set up driven screw-nut pair in the stand of detecting the frame unit, drive the drive post that links to each other with screw-nut pair through motor drive screw-nut pair and move in vertical direction to the cantilever frame that control links to each other with the drive post moves in vertical direction, has just so realized the position adjustment of the detection contact on the cantilever frame, detects very convenient and fast, very great improvement detection efficiency.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A withstand voltage test method of a knob insulator type circuit breaker is characterized by comprising the following steps of: the specific test method is as follows:
s1: circuit breaker ground insulation: transferring the circuit breaker to be tested to one side of test equipment through a transfer tool, and placing the circuit breaker on an insulating supporting table and fixing the circuit breaker in position;
s2: circuit breaker wiring: connecting a high-voltage power supply with the circuit breaker through a wire, and checking each wiring position of the circuit breaker;
s3: debugging of test equipment: the driving device drives the test equipment to approach the circuit breaker, the contact condition is observed, corresponding position adjustment is carried out, the contact requirement of the test is met, and the test equipment is separated from the contact;
s4: withstand voltage test: switching on a switch of a high-voltage power supply, approaching test equipment to a breaker through driving equipment, and performing a withstand voltage test; after the test is completed, the high-voltage power supply is turned off, the test equipment is separated from the circuit breaker under the drive of the driving device, and finally, the circuit breaker structure is transferred through the transfer tool.
2. The method for withstand voltage test of a knob insulator type circuit breaker according to claim 1, wherein: the bottom of test equipment is connected on ground through the insulating supporting legs.
3. The method for withstand voltage test of a knob insulator type circuit breaker according to claim 1, wherein: the driving device is of a screw-nut pair structure capable of horizontally moving and lifting.
4. The method for withstand voltage test of a knob insulator type circuit breaker according to claim 1, wherein: the test equipment comprises a base, a driving module and a detection frame group; the driving module and the detection frame group are arranged on the base;
the base is of a rectangular frame structure, the lower surface of the base is arranged on the ground, and insulating supporting feet are arranged between the base and the ground;
the driving module is horizontally arranged on the upper surface of the base and comprises a transmission screw rod, a transmission nut and a driving motor; the two ends of the transmission screw rod are mounted on the upper surface of the base in a matched manner through a rotary shaft and a bearing seat, the transmission nut is mounted on the transmission screw rod, the driving motor is mounted at one end of the transmission screw rod, and the transmission screw rod is driven to rotate through the driving motor so as to drive the transmission nut to reciprocate along the extending direction of the transmission screw rod;
the detection frame group comprises at least one pair of detection frame units, and the detection frame units comprise an underframe, an upright post and a cantilever frame; the underframe is arranged on a transmission nut of the driving module, and the transmission nut drives the underframe to move along the horizontal direction; the upright post is vertically arranged on the underframe, is of a hollow tubular structure, is internally provided with a screw-nut pair along the vertical direction, is provided with a motor for driving the screw-nut pair to move at the bottom end, is connected with a transmission column, and is driven by the motor to lift along the vertical direction through the screw-nut pair, and is nested in the upright post and is of a hollow tubular structure; the cantilever mount is arranged on the transmission column, and can move along the transmission column in the vertical direction to adjust the height; the cantilever frame comprises a horizontal cantilever and a diagonal cantilever; the horizontal cantilever is vertically connected to the transmission column, and one end of the horizontal cantilever is provided with a detection contact; one end of the inclined pulling arm is connected to the end part of the horizontal cantilever, and the other end of the inclined pulling arm is connected to the top end of the transmission column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211703788.3A CN116027155A (en) | 2022-12-29 | 2022-12-29 | Withstand voltage test method of knob insulator type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211703788.3A CN116027155A (en) | 2022-12-29 | 2022-12-29 | Withstand voltage test method of knob insulator type circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN116027155A true CN116027155A (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211703788.3A Pending CN116027155A (en) | 2022-12-29 | 2022-12-29 | Withstand voltage test method of knob insulator type circuit breaker |
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|---|---|
| CN (1) | CN116027155A (en) |
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2022
- 2022-12-29 CN CN202211703788.3A patent/CN116027155A/en active Pending
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