CN112433136A - Portable puncture device and method of use thereof - Google Patents
Portable puncture device and method of use thereof Download PDFInfo
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- CN112433136A CN112433136A CN202011217543.0A CN202011217543A CN112433136A CN 112433136 A CN112433136 A CN 112433136A CN 202011217543 A CN202011217543 A CN 202011217543A CN 112433136 A CN112433136 A CN 112433136A
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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
- G01R31/12—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
- G01R31/20—Preparation of articles or specimens to facilitate testing
Abstract
The application provides a portable puncture device and a using method thereof, and belongs to the technical field of power equipment. Through the fixed bolster direct fixation to the condenser that awaits measuring on, position through adjustment drive arrangement, realize the coincidence of the target point of predetermineeing on the laser that laser emitter transmitted and the condenser that awaits measuring, puncture the component in the condenser that awaits measuring through drive arrangement with the hollow nail, and the hollow nail that sets up has the axis perforating hole, the passing of the laser that laser emitter takes place has been guaranteed, make the accuracy of the puncture position of hollow nail, and be provided with a controller, this controller can arouse the instruction to the drive arrangement action according to the predetermined voltage value on the condenser that awaits measuring, accurate control has been realized, and work efficiency has been improved, very big reduction artificial error and mistake test number of times.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a miniaturized portable puncture device and a using method thereof.
Background
An internal fuse is widely adopted as the first internal fault protection in the design of high-voltage parallel capacitors in China. When the capacitor is in operation, the internal fuse connected in series with the breakdown of the individual element operates to quickly isolate the faulty element, so that the whole capacitor unit and even the whole capacitor bank can still operate normally except for slight capacitance loss. In the 4 th part of the parallel capacitor for the AC power system with the above 1000V nominal voltage of the standard GB/T11024.4-2019: internal fuses and IEC 60871-4-2014, Shell capacitors for AC power systems with a rated voltage above 1000V-Part 4Internal fuses, isolation tests of Internal fuses are used to examine Internal fuses (Internal fuses for short) for disconnecting a faulty capacitor element, thereby allowing the rest of the capacitor unit and the capacitor bank connected with the capacitor unit to continue to operate.
In the standard, there are various test methods for internal fuse isolation test of power capacitors, and domestic detection mechanisms often perform tests in a mechanical piercing manner of elements, that is, "mechanical piercing of elements is performed with nails, and the nails are driven into the elements through holes drilled in advance in a housing. There is no guarantee that only one element will pierce. In order to limit the possibility of electrical discharges to the casing along the nail or the hole pierced by the nail, the piercing may be performed on elements fixedly connected to the casing or connected during the test. "currently, the following problems exist in the testing process of the detection mechanism according to the standard method: firstly, multiple persons cooperate to operate, one person is responsible for operating high-voltage equipment, one person is responsible for manually knocking nails to mechanically pierce capacitor elements, and the other person is responsible for coordinating starting; secondly, because the nails are manually beaten, the stress direction of the nails is difficult to ensure the vertical downward direction, and the condition that one nail simultaneously pierces 2 adjacent elements often occurs, so that the test fails; thirdly, the machines of the nail beating test personnel are inconsistent when the nail beating test personnel receive the signal and the reaction of the nail beating action is carried out, so that the reproducibility of the test result is poor; in short, in the existing test method, there are many artificial and uncontrollable test deviations, which often result in failure of the test process and uncontrollable test results.
Disclosure of Invention
In view of the above, the present invention provides a portable puncturing device and a method for using the same, so as to solve the problems of the prior art that the operation process is not coordinated and the human error is large due to the cooperation of multiple persons, and even the test fails due to the puncture of irrelevant capacitor elements.
In a first aspect, the present application provides a portable puncturing device comprising:
the fixed support can be fixed on the capacitor to be measured;
the driving device is arranged on the fixed support and can move and adjust on a plane of the fixed support;
an insulating connector connected to an output shaft of the driving device;
a laser emitter disposed in the insulating connector;
the hollow nail is provided with a coaxial through hole in the axial direction and is connected to the insulating connecting piece, and the hollow nail, the light emitted by the laser emitter and the movement direction of the driving device are coaxial and perpendicular to the capacitor to be tested.
The controller is electrically connected with the capacitor to be tested and the driving device, receives a set voltage value on the capacitor to be tested and controls the driving device to move.
Further, the controller includes:
the first relay is connected with the driving device to control the driving device to do work;
the second relay is arranged on the fixed support to control the fixed support to be connected to the capacitor to be tested;
and the signal controller is respectively connected with the first relay and the second relay, monitors the set voltage value on the capacitor to be tested in real time and controls the first relay.
Further, the fixing bracket includes:
the insulating support rods are arranged in parallel, and the bottom end of each insulating support rod is arranged on the capacitor to be tested;
the horizontal bracket is fixedly connected to the upper end of each insulating support rod;
the first rail is arranged on the horizontal support and can move along a first direction, the driving device is arranged on the first rail and can move along a second direction, and the second direction is perpendicular to the first direction.
Furthermore, the bottom of each insulating support rod is provided with an electromagnetic chuck respectively, and the electromagnetic chucks can be used for adsorbing on the capacitor to be tested.
Further, the driving means comprises a pneumatic or hydraulic cylinder.
Furthermore, insulating connecting piece is an insulating sleeve, insulating sleeve is equipped with the internal thread, an open slot has been seted up along its axial to insulating sleeve, just open slot department is equipped with the scale mark along its axial direction, insulating sleeve threaded connection the hollow nail, the top coaxial coupling of hollow nail the laser emitter.
Furthermore, the hollow nail driving device further comprises a level gauge which is arranged on the driving device, and the level gauge is perpendicular to the axial direction of the hollow nail.
In a second aspect, the present application provides a method of using a portable puncturing device, comprising:
the method comprises the following steps of firstly, acquiring a preset target point on a capacitor to be tested, and arranging a puncture device right above the preset target point on the capacitor to be tested;
adjusting the position of the puncture device to enable a laser emitter of the puncture device to coincide with the preset target point;
adjusting a preset depth of a hollow nail for puncturing the capacitor to be tested;
and step four, inputting a preset voltage value into the controller, and enabling the capacitor to be tested to be connected with a voltage source.
Further, in the first step:
and after acquiring a preset target point on the capacitor to be tested, drilling on the preset target point of the capacitor to be tested by adopting a drilling device.
The application has the following beneficial effects:
the application provides a portable piercing depth and application method thereof, can be through fixed bolster direct fixation to the condenser that awaits measuring on, position through adjustment drive arrangement, realize the coincidence of the laser of laser emitter transmission and the predetermined target point on the condenser that awaits measuring, punch through the hollow nail component in the condenser that awaits measuring through drive arrangement, and the hollow nail that sets up has the axis perforating hole, the passing of the laser that has guaranteed laser emitter emergence, make the accuracy of the puncture position of hollow nail, and be provided with a controller, this controller can arouse the instruction to the drive arrangement action according to the predetermined voltage value on the condenser that awaits measuring, accurate control has been realized, and work efficiency is improved, very big reduction artificial error and mistake test number of times.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic view of a simple structure of a portable puncturing device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the installation effect of the driving device and the hollow nail according to the embodiment of the invention;
FIG. 3 is a half cross-sectional view of a cannulated nail provided according to an embodiment of the present invention.
Wherein the content of the first and second substances,
1-a capacitor to be tested, 2-an insulating support rod, 3-an electromagnetic chuck, 4-a driving device, 5-a hollow nail, 6-a second relay, 7-a horizontal support, 8-a first rail, 9-a laser emitter, 10-a through hole and 11-an insulating sleeve.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
With reference to fig. 1 to 3, in a first aspect, the present application provides a portable puncturing device comprising: a fixed bracket which can be fixed on the capacitor 1 to be measured; the driving device 4 is arranged on the fixed support, and the driving device 4 can move and adjust on a plane of the fixed support; an insulating connector connected to an output shaft of the driving device 4; a laser emitter 9 disposed in the insulating connector; the hollow nail 5 is provided with a coaxial through hole 10 in the axial direction, the hollow nail 5 is connected to the insulating connecting piece, and the hollow nail 5, the light emitted by the laser emitter 9 and the movement direction of the driving device 4 are coaxial and perpendicular to the capacitor 1 to be tested.
In this embodiment, the portable piercing depth that sets up can be fixed to the condenser 1 that awaits measuring to each condenser 1 that awaits measuring is the construction platform, thereby makes this piercing depth have miniaturized characteristics, makes the construction more convenient. The puncture device can be fixed to the capacitor 1 to be tested through the fixing support, and the emitting light of the laser emitter 9 passes through the hollow nail 5, so that the hollow nail 5 can be accurately positioned, and the hollow nail 5 is punctured through the element in the capacitor 1 to be tested by the driving device 4.
In this embodiment, the device further includes a controller, the controller is electrically connected to the capacitor 1 to be tested and the driving device 4, and the controller receives a set voltage value on the capacitor 1 to be tested and controls the driving device 4 to move.
In this embodiment, the controller includes: a first relay connected to the driving device 4 to control the driving device 4 to perform work; the second relay 6 is arranged on the fixed support to control the fixed support to be connected to the capacitor 1 to be tested; and the signal controller is respectively connected with the first relay and the second relay 6, monitors the set voltage value on the capacitor 1 to be tested in real time and controls the first relay.
It should be understood that the signal controller is arranged to monitor the voltage value transmitted to the capacitor 1 to be tested in real time, and when the applied upper limit voltage or the lower line voltage reaches a preset value, the signal controller receives a signal and feeds the signal back to the electromagnetic valve, so that the driving device 4 does work, and the breakdown of the capacitor 1 to be tested is realized.
In this embodiment, the fixing bracket includes: the insulating support rods 2 are arranged in parallel, and the bottom end of each insulating support rod 2 is arranged on the capacitor 1 to be tested; the horizontal bracket 7 is fixedly connected to the upper end of each insulating support rod 2; the first rail 8 is arranged on the horizontal support 7, the first rail 8 can move along a first direction, the driving device 4 is arranged on the first rail 8, the driving device 4 can move along a second direction, and the second direction is perpendicular to the first direction. It should be understood that the second direction is parallel to the length direction of the first rail 8, i.e. the drive means 4 is able to slide on the first rail 8 along the length direction of the first rail 8.
The insulating support rod 2 that sets up makes piercing depth and the insulation of the condenser 1 that awaits measuring, each the bottom of insulating support rod 2 is provided with an electromagnetic chuck 3 respectively, electromagnetic chuck 3 can be used to adsorb on the condenser 1 that awaits measuring. The electromagnetic chuck 3 that sets up is connected to first relay through the wire on, realizes 3 work of electromagnetic chuck through controlling first relay to adsorb fixedly to the condenser 1 that awaits measuring.
In the present embodiment, the driving device 4 includes a pneumatic cylinder or a hydraulic cylinder. The hollow nail 5 punctures the capacitor 1 to be tested by providing driving force through the air cylinder or the hydraulic cylinder.
In this embodiment, refer to fig. 2, the insulating connecting piece is an insulating sleeve 11, and the effect of the material that adopts insulation is the insulation of guaranteeing piercing depth and the condenser 1 that awaits measuring, insulating sleeve 11 is equipped with the internal thread, an open slot has been seted up along its axial to insulating sleeve 11, just open slot department is equipped with the scale mark along its axial direction, 11 threaded connection of insulating sleeve hollow nail 5, the top coaxial coupling of hollow nail 5 laser emitter 9.
As the technical personnel in the field can understand, the provided open slot can check the length of the hollow nail 5 screwed into the insulating sleeve 11 at any time, the reading can be visually realized through the scale marks, and the open slot can be adjusted according to the actual situation, so that the residual length of the hollow nail 5 connected to the insulating sleeve 11 is ensured to be more than 3cm, the hollow nail 5 can penetrate through the shell of the capacitor 1 to be tested and can pierce the set element, and meanwhile, the phenomenon that the piercing length of the hollow nail 5 is too long and the other elements are damaged is avoided.
In this embodiment, a level gauge is further included, and is disposed on the driving device 4, and the level gauge is perpendicular to the axial direction of the hollow nail 5. So that the hollow pins 5 can vertically pierce the components in the capacitor 1 to be tested.
In a second aspect, the present application provides a method of using a portable puncturing device, comprising:
step one, acquiring a preset target point on a capacitor 1 to be tested, and arranging a puncture device right above the preset target point on the capacitor 1 to be tested;
adjusting the position of the puncture device to enable a laser transmitter 9 of the puncture device to coincide with the preset target point;
adjusting a preset depth of a hollow nail 5 for puncturing the capacitor 1 to be tested;
and step four, inputting a preset voltage value into the controller, and enabling the capacitor 1 to be tested to be connected with a voltage source.
In this embodiment, in the first step: after a preset target point on the capacitor 1 to be tested is obtained, a punching device is adopted to drill a hole on the preset target point of the capacitor 1 to be tested. The purpose of the drilling is to ensure that the pin 5 can better penetrate the components of the capacitor 1 to be tested, it being understood that the diameter of the drilled hole is greater than the maximum diameter of the pin 5, so that the pin 5 can pass smoothly through the drilled hole in the housing of the capacitor 1 to be tested.
In an optional embodiment, the driving device 4 further includes a spring assembly, the spring assembly includes two sets of springs, one ends of the two sets of springs are respectively connected to the insulating sleeve 11, the force accumulation on the insulating sleeve 11 is realized through the spring assembly, and the energy is released through the springs, so that the hollow nail performs a puncture test on the capacitor 1 to be tested.
Specifically, the insulating sleeve 11 and the sliding device are arranged in the guide sleeve, one end of the guide sleeve is fixed on the horizontal support 7, and the other ends of the two groups of springs are respectively connected to two sides of the horizontal support 7 in the length direction, so that the balanced tension of the two groups of springs on the insulating sleeve 11 is ensured. Be provided with a trigger on guide sleeve, the trigger can block insulation support 11, realizes holding power of spring, through pulling the trigger, insulation support 11 breaks away from the trigger, and insulation support 11 promotes hollow nail puncture capacitor 1 that awaits measuring.
In the present embodiment, it should be understood that the insulating sleeve 11 is also disposed in the guiding sleeve in the state of breaking down the capacitor 1 to be tested, and a limiting member is disposed in the guiding sleeve to limit the final stroke of the insulating sleeve 11. In addition, the arranged spring assembly can be replaced, and the pushing force required for launching the hollow nail can be adjusted by changing the pound number or the number of the springs.
The application provides a portable piercing depth and application method thereof, can be through fixed bolster direct fixation to the condenser 1 that awaits measuring, through the position of adjustment drive arrangement 4, realize the coincidence of the laser of laser emitter 9 transmission and the target point of predetermineeing on the condenser 1 that awaits measuring, drive arrangement 4 punctures the component in the condenser 1 that awaits measuring with hollow nail 5, and hollow nail 5 that sets up has axis perforating hole 10, the passing of the laser of having guaranteed laser emitter 9 emergence, make the accuracy of the puncture position of hollow nail 5, and be provided with a controller, this controller can arouse the instruction of actuating drive arrangement 4 action according to the predetermined voltage value on the condenser 1 that awaits measuring, the accurate control has been realized, and work efficiency has been improved, very big reduction artificial error and mistake test number.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A portable lancing device, comprising:
the fixed support can be fixed on the capacitor to be measured;
the driving device is arranged on the fixed support and can move and adjust on a plane of the fixed support;
an insulating connector connected to an output shaft of the driving device;
a laser emitter disposed in the insulating connector;
the hollow nail is provided with a coaxial through hole in the axial direction and is connected to the insulating connecting piece, and the hollow nail, the light emitted by the laser emitter and the movement direction of the driving device are coaxial and perpendicular to the capacitor to be tested.
2. The portable lancing device of claim 1, further comprising a controller electrically connecting the capacitor under test and the drive device, the controller receiving a set voltage value on the capacitor under test and controlling the drive device to move.
3. The portable lancing device of claim 2, the controller comprising:
the first relay is connected with the driving device to control the driving device to do work;
the second relay is arranged on the fixed support to control the fixed support to be connected to the capacitor to be tested;
and the signal controller is respectively connected with the first relay and the second relay, monitors the set voltage value on the capacitor to be tested in real time and controls the first relay.
4. The portable lancing device of claim 1,
the fixing bracket includes:
the insulating support rods are arranged in parallel, and the bottom end of each insulating support rod is arranged on the capacitor to be tested;
the horizontal bracket is fixedly connected to the upper end of each insulating support rod;
the first rail is arranged on the horizontal support and can move along a first direction, the driving device is arranged on the first rail and can move along a second direction, and the second direction is perpendicular to the first direction.
5. The portable puncturing device according to claim 4, wherein an electromagnetic chuck is disposed at a bottom of each of the insulating support rods, and the electromagnetic chuck is configured to be attached to the capacitor to be tested.
6. The portable lancing device of claim 1, wherein the drive device comprises a pneumatic or hydraulic cylinder.
7. The portable puncturing device according to claim 1, wherein the insulating connecting member is an insulating sleeve, the insulating sleeve is provided with an internal thread, the insulating sleeve is provided with an open slot along an axial direction thereof, the open slot is provided with a graduation line along the axial direction thereof, the insulating sleeve is connected with the hollow nail in a threaded manner, and a top end of the hollow nail is coaxially connected with the laser emitter.
8. The portable lancing device of claim 1, further comprising a level disposed on the drive device, the level being disposed perpendicular to the axial direction of the hollow spike.
9. A method of using a portable puncturing device, comprising:
the method comprises the following steps of firstly, acquiring a preset target point on a capacitor to be tested, and arranging a puncture device right above the preset target point on the capacitor to be tested;
adjusting the position of the puncture device to enable a laser emitter of the puncture device to coincide with the preset target point;
adjusting a preset depth of a hollow nail for puncturing the capacitor to be tested;
and step four, inputting a preset voltage value into the controller, and enabling the capacitor to be tested to be connected with a voltage source.
10. The method of using a portable puncturing device according to claim 9, wherein in step one:
and after acquiring a preset target point on the capacitor to be tested, drilling on the preset target point of the capacitor to be tested by adopting a drilling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217543.0A CN112433136A (en) | 2020-11-04 | 2020-11-04 | Portable puncture device and method of use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217543.0A CN112433136A (en) | 2020-11-04 | 2020-11-04 | Portable puncture device and method of use thereof |
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| Publication Number | Publication Date |
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| CN112433136A true CN112433136A (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011217543.0A Pending CN112433136A (en) | 2020-11-04 | 2020-11-04 | Portable puncture device and method of use thereof |
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| CN (1) | CN112433136A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113064111A (en) * | 2021-03-23 | 2021-07-02 | 广东电网有限责任公司计量中心 | Intelligent electric energy meter push-pull force testing device |
| CN113721099A (en) * | 2021-09-07 | 2021-11-30 | 山东电力研究院 | Fuse isolation test system in power capacitor and control method thereof |
| CN113917256A (en) * | 2021-09-16 | 2022-01-11 | 中国电力科学研究院有限公司武汉分院 | Power capacitor local short circuit test device and control method thereof |
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