CN112964924A - Protection device of charged detection equipment - Google Patents
Protection device of charged detection equipment Download PDFInfo
- Publication number
- CN112964924A CN112964924A CN202110465970.9A CN202110465970A CN112964924A CN 112964924 A CN112964924 A CN 112964924A CN 202110465970 A CN202110465970 A CN 202110465970A CN 112964924 A CN112964924 A CN 112964924A
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- China
- Prior art keywords
- wall
- block
- fixedly connected
- protection device
- sealing cover
- Prior art date
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 8
- 229910052754 neon Inorganic materials 0.000 claims description 18
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Elimination Of Static Electricity (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a protection device of charged detection equipment, which belongs to the technical field of circuit detection and comprises a shell, wherein the inner wall of the shell is in threaded connection with the surface of a sealing cover, the right side surface of the sealing cover is fixedly connected with the left side surface of a fixing ring, and the inner wall of the shell is fixedly connected with the surface of a support ring. This electrified check out test set's protection device, detect the head through the setting, metal block and ball, the ball pushes down protective spring under self inertia effect, accomplish with first laminating piece and break away from, the ball resets under protective spring's effect and laminates again with first laminating piece after dropping, can reduce drop and the punching press effort to high resistance, can accomplish the instantaneous breaking away from of dropping with it when dropping simultaneously, prevent to cause great effort to it, very big plays fine protection effect to high resistance, very big reduction the risk of high resistance damage, the security performance of long-time use has been promoted.
Description
Technical Field
The invention belongs to the technical field of circuit detection, and particularly relates to a protection device of a charged detection device.
Background
A partial discharge is an electrical discharge in an insulating medium that is confined to only a portion of the medium under test and that only insulates the conductors from each other. The partial discharge of some weak parts in the insulation of adjacent electric equipment which may or may not occur in a conductor is a common problem in high-voltage insulation under the action of a strong electric field, although the partial discharge generally does not cause the penetration breakdown of the insulation but can cause the dielectric, especially the organic dielectric, if the partial discharge exists for a long time, the partial discharge test of the electric equipment can not only know the insulation condition of the equipment but also find out the reason of the insulation fault and the severity live measurement of the problem in manufacturing and installation in time, a portable detection device is generally adopted, a special instrument is adopted for the running electric equipment, the personnel participates in the field detection of the equipment state quantity, the detection mode is the live short-time detection, among them, a conventional test pencil (also called as a test pencil) is one of the common tools used in the live-line test operation to determine whether an object is live. The electric range of the device is 60-500V, and the device is in a pen type or a screwdriver type. When the neon tube is used, a potential difference is formed between the electrified body and the ground through the electroprobe and the human body to generate an electric field, and the neon tube in the electroprobe can emit light under the action of the electric field. When the test pencil is used, the test pencil must be held correctly, the mother finger and the middle finger hold the insulating edge of the test pencil, and the index finger presses the metal cap at the end of the pencil. The test pencil is the instrument that is used for differentiateing live wire and zero line, wherein present test pencil is at the in-process that the circuit electrified detected, its inside high resistance is safety inspection's key part, if appear damaging when using then possess very high potential safety hazard, wherein what present most test pencils adopted is high resistance and the mode of detecting first direct contact, the striking that detects the head and receive when making its test pencil fall very easily leads to the fact the influence to high resistance, make it be unfavorable for protecting high resistance, when can not confirm the voltage value in the circuit that awaits measuring simultaneously, if voltage value surpasss the detection range, make its traditional detection method have very big potential safety hazard.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects in the prior art, the invention provides a protection device of a charged detection device, which solves the problems that most of existing test pens adopt a mode that a high resistor is in direct contact with a detection head, so that the high resistor is easily influenced by the impact on the detection head when the test pen falls, the high resistor is not easily protected, and meanwhile, when the voltage value in a circuit to be detected cannot be determined, if the voltage value exceeds the detection range, the traditional detection method has great potential safety hazard.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a protection device of a charged detection device comprises a shell, wherein the inner wall of the shell is in threaded connection with the surface of a sealing cover, the right side face of the sealing cover is fixedly connected with the left side face of a fixing ring, the inner wall of the shell is fixedly connected with the surface of a supporting ring, the inner wall of the supporting ring is in sliding connection with a detection head, the right side face of the detection head is fixedly connected with the left side face of a limiting block, the surface of the limiting block is in sliding connection with the inner wall of an insulating box, the right side face of the limiting block is fixedly connected with the left end of a protection spring, the right end of the protection spring is in lap joint with the surface of a ball, the surface of the ball is in lap joint with the inner wall of a first lamination block, the right side face of the first lamination block is fixedly connected with the left side face of high resistance, the right side face of the high resistance is fixedly connected with the left side face of a second, the right end of the neon tube is in lap joint with the inner wall of the third fitting block.
The right side surface of the third laminating block is fixedly connected with the left side surface of the mounting block, the surface of the high-resistance resistor is connected to the inner wall of the positioning sleeve in a sliding manner, the surface of the positioning sleeve is clamped with the inner wall of the shell, the right side surface of the mounting block is fixedly connected with the left end of the mounting spring, the right end of the mounting spring is fixedly connected with the left side surface of the pressing block, the surface of the pressing block is connected to the inner wall of the sealing cover in a sliding manner, the right side surface of the pressing block is lapped with the left end of the conductive rod, the surface of the conductive rod is clamped on the right side surface of the inner wall of the sealing cover through the sliding sleeve, the right end of the conductive rod is fixedly connected with the left side surface of the metal block, the surface of the metal block is clamped with the inner wall of the clamping sleeve, the winding roller is clamped on the surface of the conductive rod, a lead is arranged on the, the lower surface of the protective sleeve is fixedly connected with the upper surface of the sealing cover, and the upper surface of the inner wall of the sealing cover is connected with a fastening screw in a clamping mode through a threaded sleeve.
As a further scheme of the invention: the surface sliding connection of installation piece is in the inner wall of casing, the window has been seted up on the surface of casing.
As a further scheme of the invention: the inner walls of the first attaching block, the second attaching block and the third attaching block are arc-shaped concave surfaces, and the rolling balls are made of metal materials.
As a further scheme of the invention: the surface of the detection head and the surface of the first fitting block are respectively connected to the left side surface and the right side surface of the inner wall of the insulating box in a sliding mode, and the fixing ring is made of plastic materials.
As a further scheme of the invention: the inner wall of the clamping sleeve is in lap joint with the surface of the fixing ring, and a plastic handle is arranged on the left side of the ground wire connector.
As a further scheme of the invention: the lower surface of the inner wall of the sealing cover is provided with a sliding hole, and the surface of the lead is connected to the inner wall of the sliding hole in a sliding mode.
As a further scheme of the invention: the surface joint of conducting rod has wear ring, the right flank of metal block is the cambered surface.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the protection device of the electrified detection equipment comprises a detection head, a support ring, a protection spring, an insulating box, a high resistor, a positioning sliding sleeve, a first attaching block, a neon tube, an installation block, a conducting rod, a metal block and a ball, wherein when a known circuit is detected, the detection head is directly contacted with the circuit to be detected, meanwhile, the metal block is touched by hands, then, current is conducted to a limiting block through the detection head and is contacted with the ball through the limiting block and the protection spring, then, the ball conducts the current to the high resistor through the first attaching block, the high resistor reduces the current to be within thirty-six volts and then conducts the current to the neon tube through a second attaching block, along with the fact that the metal block is contacted by hands, the current is conducted to the metal block through the neon tube, the installation block, the installation spring and the conducting rod and then is matched with a human body to form a loop, then, the neon tube is lighted, and if the neon tube is not, when the pressing force is too high during detection, the detection head slides in the rubber leather sheath and the support ring and presses the protection spring to enable the protection spring to stretch in a certain range, and the detection head can absorb certain kinetic energy through contraction when falling to the ground and can reduce the transmission of vibration by matching with the protection spring, if the detection head is grounded, the ball presses the protection spring under the self inertia effect to be separated from the first laminating block until the ball is reset under the action of the protection spring and is laminated with the first laminating block again, the mode can maintain stable detection and reduce the acting force of falling and stamping on high resistance, and simultaneously can be separated from the detection head when falling to the ground instantaneously to prevent larger acting force from being caused on the ball, thereby greatly playing a good protection effect on the high resistance and greatly reducing the risk of high resistance damage, the safety performance of long-time use is improved.
2. The protection device of the electrified detection equipment comprises a conductive rod, a winding roller, a lead, a sliding hole, a ground wire joint, a plastic handle, a protective sleeve, a metal block and a clamping sleeve, wherein when a detection circuit cannot determine a voltage value, the ground wire joint is taken out of the protective sleeve, the plastic handle is pulled by hands at the same time, the lead moves along with the ground wire joint, the winding roller is driven to rotate, the lead slides in the sliding hole to a proper length and then is inserted into the ground wire joint of a socket or directly contacts with the ground, then the detection head is inserted into a circuit to be detected in a state of not touching the metal block for detection, after the detection is finished, the detection head is separated from the detection circuit, then the clamping sleeve is rotated to drive the metal block to start rotating in the rotating process, then the conductive block is driven to synchronously rotate in the rotating process, the winding roller is driven by the conductive rod to rotate to wind the lead, the method can keep good non-contact detection when an unknown circuit to be detected is detected, and the ground wire connector can be used for ensuring great safety guarantee.
3. This electrified check out test set's protection device through setting up fastening screw, wear-resisting cover and conducting rod, when using, along with the wire rolling back, through rotating fastening screw, later on when fastening screw rotates wear-resisting cover pressure move, make it be difficult to rotate can, this kind of mode can ensure when placing that wind-up roll and conducting rod stabilize spacingly, prevent the pivoted condition.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic cross-sectional view of a metal block of the present invention;
FIG. 3 is a schematic three-dimensional structure of the protective cover of the present invention;
FIG. 4 is a schematic cross-sectional view of an insulating case according to the present invention;
FIG. 5 is a schematic cross-sectional view of a high resistance solid according to the present invention;
FIG. 6 is a front view of the present invention;
in the figure: the device comprises a shell 1, a sealing cover 2, a fixing ring 3, a support ring 4, a detection head 5, a limiting block 6, an insulating box 7, a protective spring 8, a ball 9, a first bonding block 10, a high-resistance block 11, a second bonding block 12, a third bonding block 13, a positioning sleeve 14, a fastening screw 15, a wear-resistant sleeve 16, a rubber leather sleeve 17, a neon tube 18, a mounting block 19, a mounting spring 20, a pressing block 21, a conductive rod 22, a winding roller 23, a metal block 24, a clamping sleeve 25, a lead 26, a sliding hole 27, a plastic handle 28, a ground wire joint 29 and a protective sleeve 30.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 6, the present invention provides a technical solution: a protection device of a charged detection device comprises a shell 1, wherein the inner wall of the shell 1 is in threaded connection with the surface of a sealing cover 2, the right side surface of the sealing cover 2 is fixedly connected with the left side surface of a fixing ring 3, the inner wall of the shell 1 is fixedly connected with the surface of a supporting ring 4, the inner wall of the supporting ring 4 is in sliding connection with a detection head 5, the right side surface of the detection head 5 is fixedly connected with the left side surface of a limiting block 6, the surface of the limiting block 6 is in sliding connection with the inner wall of an insulating box 7, the right side surface of the limiting block 6 is fixedly connected with the left end of a protection spring 8, the right end of the protection spring 8 is in lap joint with the surface of a ball 9, the surface of the ball 9 is in lap joint with the inner wall of a first sticking block 10, the right side surface of the first sticking block 10 is fixedly connected with the left side surface of a high resistor 11, the right side surface of the high resistor 11 is fixedly connected, the right end of the neon tube 18 is overlapped with the inner wall of the third fitting block 13.
The right side surface of the third bonding block 13 is fixedly connected with the left side surface of the mounting block 19, the surface of the high resistor 11 is slidably connected with the inner wall of the positioning sleeve 14, the surface of the positioning sleeve 14 is clamped with the inner wall of the shell 1, the right side surface of the mounting block 19 is fixedly connected with the left side surface of the mounting spring 20, the right end of the mounting spring 20 is fixedly connected with the left side surface of the pressing block 21, the surface of the pressing block 21 is slidably connected with the inner wall of the sealing cover 2, the right side surface of the pressing block 21 is lapped with the left end of the conducting rod 22, the surface of the conducting rod 22 is clamped with the right side surface of the inner wall of the sealing cover 2 through a sliding sleeve, the right end of the conducting rod 22 is fixedly connected with the left side surface of the metal block 24, the surface of the metal block 24 is clamped with the inner wall of the clamping sleeve 25, the surface of the conducting rod 22 is clamped with the winding roller 23, the surface of the winding roller 23, the lower surface of the protective sleeve 30 is fixedly connected with the upper surface of the sealing cover 2, and the upper surface of the inner wall of the sealing cover 2 is connected with a fastening screw 15 in a clamping mode through a threaded sleeve.
Specifically, as shown in fig. 1, 2 and 6, the surface of the mounting block 19 is slidably connected to the inner wall of the housing 1, the surface of the housing 1 is provided with a window, the inner wall of the ferrule 25 is in lap joint with the surface of the fixing ring 3, the left side of the ground wire connector 29 is provided with a plastic handle 28, the lower surface of the inner wall of the sealing cover 2 is provided with a sliding hole 27, the surface of the lead wire 26 is slidably connected to the inner wall of the sliding hole 27, the surface of the conductive rod 22 is clamped with a wear-resistant ring, the right side of the metal block 24 is a cambered surface, by arranging the mounting block 19, the mounting block 19 can keep stable sliding when in use and simultaneously keep stable contact with the conductive rod 22, and keep lap joint with the conductive rod 22 under the action of the mounting spring 20, by arranging the window, the window can facilitate a user to observe the state of the neon tube 18 through the observation, and, the influence of external light on the metal block can be reduced, the situation that the metal block is difficult to observe after being lighted is prevented, the clamping sleeve 25 is arranged, the clamping sleeve 25 can be driven to rotate under the condition of no contact with the metal block 24, the metal block can keep no contact when in use, the metal block is enabled to rotate more safely, meanwhile, the clamping sleeve is matched with the fixing rings 3 in the metal block to be mutually lapped, the rotation stability of the metal block is enabled to be better, when the metal block 24 is placed, the pressure is not exerted on the metal block 24 under the pressure, so that the metal block is matched with the fixing ring 3 to carry out good support, the structural strength of the metal block is improved, by arranging the wear-resistant ring, the wear-resistant ring can be matched with the fastening screw 15 to fix the conducting rod 22 when in use, meanwhile, the abrasion of the surface of the conducting rod 22 directly acted on the conducting rod can be reduced, the service life of the conducting rod 22 is prolonged, through setting up metal block 24, the right flank of metal block 24 is the cambered surface, makes its sense of touch that can promote the contact when the contact, and reduces the area of contact with the skin to a certain extent.
Specifically, as shown in fig. 3, 4 and 5, the inner walls of the first fitting block 10, the second fitting block 12 and the third fitting block 13 are all arc-shaped concave surfaces, the balls 9 are made of metal materials, the surfaces of the detection head 5 and the first fitting block 10 are respectively connected to the left side surface and the right side surface of the inner wall of the insulation box 7 in a sliding manner, the fixing ring 3 is made of plastic materials, and by arranging the first fitting block 10, the inner walls of the first fitting block 10, the second fitting block 12 and the third fitting block 13 are all arc-shaped concave surfaces, so that when the inner walls are in contact with the balls 9 and the two ends of the neon tube 18, stable clamping and fixing can be kept, and when the inner walls are loosened, rapid resetting and fixing can be kept.
The working principle of the invention is as follows:
s1, when a known circuit is detected, the detection head 5 is directly contacted with the circuit to be detected, meanwhile, the metal block 24 is touched by a hand, then, the current is conducted to the limiting block 6 through the detection head 5 and is contacted with the ball 9 through the limiting block 6 and the protection spring 8, then, the ball 9 conducts the current to the high resistor 11 through the first attaching block 10, and the current is conducted to the neon tube 18 through the second attaching block 12 after being reduced to be within thirty-six volts by the high resistor 11;
s2, as the hand contacts the metal block 24, the current is conducted to the metal block 24 through the neon tube 18, the mounting block 19, the mounting spring 20 and the conducting rod 22 and then matched with the human body to form a loop, then the neon tube 18 lights up, if the neon tube 18 does not light, the current does not exist in the tested circuit, meanwhile, when the pressing pressure is overlarge during the test, the test head 5 slides in the rubber leather sheath 17 and the support ring 4 and presses the protection spring 8 to complete the extension and retraction in a certain range, and the test head 5 can absorb a certain kinetic energy through the contraction during the landing, and the transmission of the vibration can be reduced by matching the protection spring 8, if the test head 5 lands, the ball 9 presses the protection spring 8 under the self inertia effect to complete the separation from the first fitting block 10 until the ball 9 returns to be fitted with the first fitting block 10 again under the effect of the protection spring 8 after the falling, when the voltage value of the test circuit can not be determined, the winding roller 23 is driven to rotate when the lead 26 moves by taking the ground wire connector 29 out of the protective sleeve 30 and pulling the plastic handle 28 by hand;
s3, after the lead 26 slides in the sliding hole 27 to a proper length, the ground wire connector 29 is inserted into the ground wire connector 29 of the socket or directly contacts with the ground, then the detection head 5 is inserted into a circuit to be detected under the state that the metal block 24 is not touched for detection, after the detection is finished, the detection head 5 is separated from the detection circuit, then the cutting sleeve 25 is rotated to enable the cutting sleeve 25 to drive the metal block 24 to start rotating in the rotating process, then the conductive rod 22 is driven to synchronously rotate in the rotating process of the metal block 24, the conductive rod 22 drives the winding roller 23 to rotate to wind the lead 26, and finally the ground wire connector 29 is inserted into the protective sleeve 30.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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 protection device of a live detection apparatus, comprising a housing (1), characterized in that: the inner wall of the shell (1) is in threaded connection with the surface of the sealing cover (2), the right side face of the sealing cover (2) is fixedly connected with the left side face of the fixing ring (3), the inner wall of the shell (1) is fixedly connected with the surface of the supporting ring (4), the inner wall of the supporting ring (4) is connected with a detection head (5) in a sliding manner, the right side face of the detection head (5) is fixedly connected with the left side face of the limiting block (6), the surface of the limiting block (6) is connected with the inner wall of the insulating box (7) in a sliding manner, the right side face of the limiting block (6) is fixedly connected with the left end of the protection spring (8), the right end of the protection spring (8) is in lap joint with the surface of the ball (9), the surface of the ball (9) is in lap joint with the inner wall of the first laminating block (10), and the right side face of the first laminating block (10) is fixedly, the right side surface of the high resistor (11) is fixedly connected with the left side surface of the second bonding block (12), the right side surface of the second bonding block (12) is in lap joint with the left end of the neon tube (18), and the right end of the neon tube (18) is in lap joint with the inner wall of the third bonding block (13);
the right flank of third laminating piece (13) and the left flank fixed connection of installation piece (19), the surface sliding connection of high resistance (11) is at the inner wall of position sleeve (14), the surface of position sleeve (14) and the inner wall joint of casing (1), the right flank of installation piece (19) and the left end fixed connection of installation spring (20), the right-hand member of installation spring (20) and the left flank fixed connection of briquetting (21), the surface sliding connection of briquetting (21) is at the inner wall of sealed lid (2), the right flank of briquetting (21) and the left end overlap joint of conducting rod (22), the surface of conducting rod (22) passes through the right flank of sliding sleeve joint at sealed lid (2) inner wall, the right-hand member of conducting rod (22) and the left flank fixed connection of metal block (24), the surface of metal block (24) and the inner wall joint of cutting ferrule (25), the winding device is characterized in that a winding roller (23) is clamped on the surface of the conductive rod (22), a lead (26) is arranged on the surface of the winding roller (23), one end of the lead (26) is fixedly connected with the left end of a ground wire connector (29), the surface of the ground wire connector (29) is slidably connected to the inner wall of a protective sleeve (30), the lower surface of the protective sleeve (30) is fixedly connected with the upper surface of the sealing cover (2), and the upper surface of the inner wall of the sealing cover (2) is clamped with a fastening screw (15) through a threaded sleeve.
2. The protection device of a charged detection apparatus according to claim 1, characterized in that: the surface of the mounting block (19) is connected to the inner wall of the shell (1) in a sliding mode, and a window is formed in the surface of the shell (1).
3. The protection device of a charged detection apparatus according to claim 1, characterized in that: the inner walls of the first fitting block (10), the second fitting block (12) and the third fitting block (13) are arc-shaped concave surfaces, and the ball (9) is made of metal.
4. The protection device of a charged detection apparatus according to claim 1, characterized in that: the surface of the detection head (5) and the surface of the first fitting block (10) are respectively connected to the left side surface and the right side surface of the inner wall of the insulation box (7) in a sliding mode, and the fixing ring (3) is made of plastic materials.
5. The protection device of a charged detection apparatus according to claim 1, characterized in that: the inner wall of the clamping sleeve (25) is in lap joint with the surface of the fixing ring (3), and a plastic handle (28) is arranged on the left side of the ground wire connector (29).
6. The protection device of a charged detection apparatus according to claim 1, characterized in that: the lower surface of the inner wall of the sealing cover (2) is provided with a sliding hole (27), and the surface of the lead (26) is connected to the inner wall of the sliding hole (27) in a sliding manner.
7. The protection device of a charged detection apparatus according to claim 1, characterized in that: the surface of the conducting rod (22) is clamped with a wear-resisting ring, and the right side surface of the metal block (24) is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110465970.9A CN112964924B (en) | 2021-04-28 | 2021-04-28 | Protection device of electrified detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110465970.9A CN112964924B (en) | 2021-04-28 | 2021-04-28 | Protection device of electrified detection equipment |
Publications (2)
| Publication Number | Publication Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116087691A (en) * | 2023-04-10 | 2023-05-09 | 广东电网有限责任公司东莞供电局 | Power grid line secondary circuit detection device and method |
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| CN112964924B (en) | 2024-02-20 |
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