CN213813833U

CN213813833U - Novel device for detecting fault point of low-voltage circuit

Info

Publication number: CN213813833U
Application number: CN202023111405.2U
Authority: CN
Inventors: 高希坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-07-27
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a detect novel device of low-voltage circuit fault point, comprises a box bod, the inside left and right sides of box body is equipped with accumulate electric capacity and direct current high voltage generator respectively, and accumulate electric capacity and direct current high voltage generator respectively with box body bolted connection, and direct current high voltage generator's bottom is equipped with the power cord, and the power cord runs through the box body and links to each other with external power supply. This detect novel device of low voltage circuit fault point, through the cooperation between electric shock electric capacity and the direct current high voltage generator, intermittent type nature's emergence sound is exploded, the accuracy of locating the fault point has been promoted greatly, still let this detect novel device of low voltage circuit fault point can obtain more recognition on market, the product quality of this detect novel device of low voltage circuit fault point has been improved, user's purchasing cost has been saved, avoided judging the fault point with the experience, there may be the unsafe problem in error or fault location, and is suitable for being generalized to use.

Description

Novel device for detecting fault point of low-voltage circuit

Technical Field

The utility model relates to a circuit detects technical field, specifically is a detect novel device of low-voltage circuit fault point.

Background

With the development of household appliances, various household appliances have been deeply inserted into various aspects of people's lives, the frequency of people using various appliances is higher and higher, and with the increasing complexity of functions and structures of household appliances, the probability of possible occurrence of appliance faults is higher, the line risk caused by the higher the line risk is, and various accidents such as overload carrying, leakage, short circuit of electric wires and the like are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect novel device of low voltage circuit fault point to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel device for detecting a low-voltage circuit fault point comprises a box body, wherein the left side and the right side inside the box body are respectively provided with an electricity storage capacitor and a direct-current high-voltage generator, the electricity storage capacitor and the direct-current high-voltage generator are respectively connected with a box body bolt, the bottom of the direct-current high-voltage generator is provided with a power line, the power line penetrates through the box body and is connected with an external power supply, the top of the direct-current high-voltage generator is sequentially provided with a generator anode, a generator cathode and a switch from left to right, the generator anode, the generator cathode and the switch are respectively connected with the direct-current high-voltage generator through bolts, the top of the electricity storage capacitor is respectively provided with a capacitor anode and a capacitor cathode from left to right, the capacitor anode and the capacitor cathode are respectively connected with the electricity storage capacitor through bolts, the generator anode is connected with the capacitor anode through a lead, the generator cathode is connected with the capacitor cathode through a lead, and the capacitor anode and the capacitor cathode are respectively provided with a binding post, the two binding posts are respectively connected with a capacitor anode and a capacitor cathode through bolts, the capacitor cathode is provided with a cathode to be detected, the cathode to be detected is bound and connected with the capacitor cathode, the capacitor anode is sleeved with a fixed plate which is connected with the capacitor anode through bolts, the left side of the fixed plate is provided with a fixed frame which is concave, the left side and the right side of the inside of the fixed frame are provided with connecting blocks, the two connecting blocks are adhered and connected with the fixed frame through insulating glue, an adjusting screw rod is arranged inside the connecting block at the left side of the fixed frame and is in threaded connection with the connecting blocks, the left end and the right end of the adjusting screw rod are respectively provided with a wing-shaped nut and a first gap ball, the wing-shaped nut and the first gap ball are respectively in threaded connection with the left end and the right end of the adjusting screw rod, a fixing screw rod is arranged inside the connecting block at the right side of the fixed frame and is in threaded connection with the connecting blocks, and the mount passes through set screw and links to each other with the fixed plate, and set screw's left end is equipped with second clearance ball, and second clearance ball and set screw threaded connection, and the left side of mount is equipped with the connecting hole, and the connecting hole sets up as an organic whole with the mount, and the inside of connecting hole is equipped with connecting screw, and connecting screw and connecting hole threaded connection, and connecting screw link up mount and connecting block in proper order and link to each other with the adjusting screw overlap joint, and connecting screw's top cover is equipped with the connecting button, and connecting button and connecting screw threaded connection, and the cover is equipped with between connecting button and the connecting screw and waits to examine the positive pole, and wait to examine the positive pole and link to each other with the connecting screw ligature, it links to each other with waiting to examine the negative pole through first clearance ball and second clearance ball to examine the positive pole.

Preferably, a voltage regulating button is arranged between the positive pole of the generator and the negative pole of the generator and connected with the direct-current high-voltage generator through a bolt.

Preferably, a fixed gasket is arranged at the joint of the capacitor anode and the fixed plate, and the fixed gasket is connected with the capacitor anode in a sleeved mode.

Preferably, the storage capacitor is provided with fixing straps, the two fixing straps are respectively connected with the direct-current high-voltage generator through bolts, and the storage capacitor is connected with the direct-current high-voltage generator through the fixing straps.

Preferably, a connecting gasket is arranged at the joint of the connecting screw rod and the fixing frame, and the connecting gasket is in threaded connection with the connecting screw rod.

Compared with the prior art, the beneficial effects of the utility model are that: the novel device for detecting the low-voltage circuit fault point detects hidden lines, short circuits, broken circuits, electric leakage, electrified zero lines, electrified ground wires, pressure-resistant tests, temporary lines of farmlands in factories and mines, ring lines, underwater cables and the like below 600v in a circuit under the action of the first gap ball and the second gap ball through the cooperation between the storage capacitor and the direct-current high-voltage generator, thereby reducing potential safety hazards, avoiding accidents, prolonging the service life of various electric appliances, and utilizing the electrical principle that high-voltage current is released instantly to generate flashover and sonic boom to ensure that the sonic boom is generated intermittently in the line to be detected, greatly improving the accuracy of positioning the fault point, ensuring that the novel device for detecting the low-voltage circuit fault point can obtain more approval in the market, and improving the product quality of the novel device for detecting the low-voltage circuit fault point, the purchase cost of a user is saved, the problem that errors or inaccurate fault positions exist when fault points are judged by experience is avoided, and the method is suitable for popularization and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection relationship between the positive electrode to be inspected and the negative electrode to be inspected of the present invention;

fig. 3 is a schematic structural view of a portion a of fig. 2.

In the figure: 1. the device comprises a power storage capacitor, 2, a direct-current high-voltage generator, 3, a power line, 4, a switch, 5, a generator cathode, 6, a generator anode, 7, a flow adjusting button, 8, a capacitor cathode, 9, a capacitor anode, 10, a fixing plate, 11, a fixing screw, 12, a fixing frame, 13, a second gap ball, 14, a first gap ball, 15, an adjusting screw, 16, a connecting block, 17, a connecting hole, 18, a connecting screw, 19, a connecting gasket, 20, a connecting button, 21, a wing nut, 22, a fixing bandage, 23, a cathode to be detected, 24, an anode to be detected, 25, a fixing gasket, 26 and a box body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel device for detecting a low-voltage circuit fault point comprises a box body 26, wherein the box body 26 is an outer packaging box of the novel device for detecting the low-voltage circuit fault point and is made of an insulating material and used for sealing electric elements inside the novel device for detecting the low-voltage circuit fault point and preventing electric shock, a storage capacitor 1 and a direct-current high-voltage generator 2 are respectively arranged on the left side and the right side inside the box body 26, the storage capacitor 1 and the direct-current high-voltage generator 2 are respectively in the prior art, the storage capacitor 1 is used for storing direct current below 10KV, the direct-current high-voltage generator 2 is used for converting 220V alternating current into 0-10KV direct current and continuously charging the storage capacitor 1, the storage capacitor 1 and the direct-current high-voltage generator 2 are respectively connected with the box body 26 through bolts, a power line 3 is arranged at the bottom of the direct-current high-voltage generator 2, and the power line 3 penetrates through the box body 26 and is connected with an external power supply, the generator anode 6, the generator cathode 5 and the switch 4 are sequentially arranged on the top of the direct-current high-voltage generator 2 from left to right, the generator anode 6, the generator cathode 5 and the switch 4 are respectively connected with the direct-current high-voltage generator 2 through bolts, the switch 4 is used for closing and opening the direct-current high-voltage generator 2, the generator anode 6 is connected with the capacitor anode 9 in series, the generator cathode 5 is connected with the capacitor cathode 8 in series, the capacitor anode 9 and the capacitor cathode 8 are respectively arranged on the top of the storage capacitor 1 from left to right, the capacitor anode 9 and the capacitor cathode 8 are respectively connected with the storage capacitor 1 through bolts, the generator anode 6 is connected with the capacitor anode 9 through a lead, the generator cathode 5 is connected with the capacitor cathode 8 through a lead, binding posts are respectively arranged on the capacitor anode 9 and the capacitor cathode 8 and are used for winding a cathode 23 to be detected and an anode 24 to be detected, and the two binding posts are respectively connected with the capacitor anode 9 and the capacitor cathode 8 through bolts, the negative electrode 23 to be detected is arranged on the capacitor negative electrode 8, the negative electrode 23 to be detected is bound and connected with the capacitor negative electrode 8, the capacitor positive electrode 9 is sleeved with a fixing plate 10, the fixing plate 10 is made of metal and coated with insulating paint, the fixing plate 10 is connected with the capacitor positive electrode 9 through a bolt, the left side of the fixing plate 10 is provided with a fixing frame 12, the fixing frame 12 is made of insulating material, the fixing frame 12 is concave, the left side and the right side of the inside of the fixing frame 12 are respectively provided with a connecting block 16, the connecting blocks 16 are made of metal and embedded on the fixing frame 12 and are fixedly bonded through insulating glue, the two connecting blocks 16 are bonded and connected with the fixing frame 12 through the insulating glue, an adjusting screw 15 is arranged inside the connecting block 16 on the left side of the fixing frame 12, the adjusting screw 15 is in threaded connection with the connecting blocks 16, the left end and the right end of the adjusting screw 15 are respectively provided with a wing-shaped nut 21 and a first clearance ball 14, the wing-shaped nut 21 is rotated to adjust the position of the adjusting screw 15 on the connecting block 16, further adjusting the distance between the first gap ball 14 and the second gap ball 13, taking 2kv direct current voltage as an example, the gap distance is preferably between 0.5 mm and 2 mm, and the wing nut 21 and the first gap ball 14 are respectively in threaded connection with the left and right ends of the adjusting screw 15, and a fixing screw 11 is arranged inside a connecting block 16 positioned at the right side of the fixing frame 12, the fixing screw 11 is used for fixing the fixing plate 10 and the fixing frame 12 together, and the fixing screw 11 is in threaded connection with the connecting block 16, and the fixing frame 12 is connected with the fixing plate 10 through the fixing screw 11, and the left end of the fixing screw 11 is provided with the second gap ball 13, and the second gap ball 13 is in threaded connection with the fixing screw 11, and the left side of the fixing frame 12 is provided with a connecting hole 17, the connecting hole 17 is used for installing the connecting screw 18, and the connecting hole 17 is integrally arranged with the fixing frame 12, and a connecting screw 18 is arranged inside the connecting hole 17, the connecting screw rod 18 is in threaded connection with the connecting hole 17, the connecting screw rod 18 sequentially penetrates through the fixing frame 12 and the connecting block 16 and is in lap joint with the adjusting screw rod 15, the top end of the connecting screw rod 18 is sleeved with the connecting button 20, the connecting button 20 is screwed to extrude the anode 24 to be detected, so that the connection between the anode 24 to be detected and the connecting screw rod 18 is firmer, the connecting button 20 is in threaded connection with the connecting screw rod 18, the anode 24 to be detected is sleeved between the connecting button 20 and the connecting screw rod 18, the anode 24 to be detected is an anode in a household circuit, the cathode 23 to be detected is a cathode in the household circuit, the anode 24 to be detected is bound and connected with the connecting screw rod 18, the anode 24 is connected with the cathode 23 to be detected through the first gap ball 14 and the second gap ball 13, the flow adjusting button 7 is arranged between the generator anode 6 and the generator cathode 5, the flow adjusting button 7 is used for connecting a ground wire, and performs discharge protection on the novel device for detecting the fault point of the low-voltage circuit to be detected, the current adjusting button 7 is connected with the direct current high voltage generator 2 through a bolt, a fixed gasket 25 is arranged at the joint of the capacitor anode 9 and the fixed plate 10, the fixed gasket 25 is used for increasing the contact area, so that the fixed plate 10 and the capacitor anode 9 are connected more firmly, the fixing gasket 25 is connected with the capacitor anode 9 in a sleeved mode, the storage capacitor 1 is provided with a fixing bandage 22, the fixing bandage 22 is used for connecting and fixing the storage capacitor 1 and the direct-current high-voltage generator 2, the overall stability is improved, and two fixing straps 22 are respectively connected with the direct-current high-voltage generator 2 through bolts, the storage capacitor 1 is connected with the direct-current high-voltage generator 2 through the fixing straps 22, a connecting gasket 19 is arranged at the joint of the connecting screw rod 18 and the fixing frame 12, the connecting gasket 19 is used for enabling the connecting screw rod 18 to be connected with the fixing frame 12 more firmly, and the connecting gasket 19 is in threaded connection with the connecting screw rod 18.

A novel device for detecting a low-voltage circuit fault point is composed of a storage capacitor 1, a direct-current high-voltage generator 2, a power line 3, a switch 4, a transformer anode 5, a transformer cathode 6, a current adjusting button 7, a capacitor anode 8, a capacitor cathode 9, a fixing plate 10, a fixing screw 11, a fixing frame 12, a first gap ball 13, a second gap ball 14, an adjusting screw 15, a connecting block 16, a connecting hole 17, a connecting screw 18, a connecting washer 19, a connecting button 20, a wing nut 21, a fixing bandage 22 and other parts, wherein when the novel device is used, the negative electrode 23 to be detected is connected with a binding post of the capacitor cathode 8, the positive electrode 24 to be detected is connected with the binding post of the connecting screw 18, the connecting button 20 is screwed, the positive electrode 24 to be detected is tightly connected with the connecting screw 18, the wing nut 21 is screwed, and the distance between the first gap ball 14 on the adjusting screw 15 and the second gap ball 13 on the fixing screw 11 is 1-20 mm When the line connection is completed, the switch 4 is started, the direct current high voltage generator 2 is electrified to work, 220V alternating current is converted into direct current, the direct current is continuously charged into the power storage capacitor 1, the voltage in the power storage capacitor 1 is continuously increased, when the voltage reaches more than 1kv, the high voltage current can be instantly released to cross over the second gap ball 13 and is transmitted to the anode 24 to be detected through the first gap ball 14, so that the high voltage electricity acts on the line to be detected, the short circuit reason of the fault point is that the insulation skin of the line to be detected is aged and voltage-resistant insufficiently or a conductive medium and a wall body are damped in the line to be detected, at the moment, the high voltage electricity in the line to be detected can cross over the insulation skin or the conductive medium of the line to be detected to generate flashover and sonic boom, so that the fault point can be determined by hearing sound, after one-time of flashover and sonic boom are completed, the electricity stored in the power storage capacitor 1 is consumed, the direct current high voltage generator 2, the frequency of sonic boom is in direct proportion to the charging time, and once in 1-30 seconds, the detection work of the novel device for detecting the fault point of the low-voltage circuit is completed through the intermittent sonic boom to accurately position the fault point.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel device for detecting a low-voltage circuit fault point, comprising a box body (26), characterized in that: the left side and the right side of the interior of the box body (26) are respectively provided with an electricity storage capacitor (1) and a direct-current high-voltage generator (2), the electricity storage capacitor (1) and the direct-current high-voltage generator (2) are respectively connected with the box body (26) through bolts, the bottom of the direct-current high-voltage generator (2) is provided with a power line (3), the power line (3) penetrates through the box body (26) and is connected with an external power supply, the top of the direct-current high-voltage generator (2) is sequentially provided with a generator anode (6), a generator cathode (5) and a switch (4) from left to right, the generator anode (6), the generator cathode (5) and the switch (4) are respectively connected with the direct-current high-voltage generator (2) through bolts, the top of the electricity storage capacitor (1) is respectively provided with a capacitor anode (9) and a capacitor cathode (8) from left to right, and the capacitor anode (9) and the capacitor cathode (8) are respectively connected with the electricity storage capacitor (1) through bolts, and the generator anode (6) is connected with the capacitor anode (9) through a wire, and the generator cathode (5) is connected with the capacitor cathode (8) through a wire, and the capacitor anode (9) and the capacitor cathode (8) are respectively provided with a binding post, and two the binding posts are respectively connected with the capacitor anode (9) and the capacitor cathode (8) by bolts, and the capacitor cathode (8) is provided with a cathode (23) to be detected, and the cathode (23) to be detected is bound with the capacitor cathode (8), and the capacitor anode (9) is sleeved with a fixing plate (10), and the fixing plate (10) is connected with the capacitor anode (9) by bolts, and the left side of the fixing plate (10) is provided with a fixing frame (12), and the fixing frame (12) is 'concave', and the left and right sides of the inside of the fixing frame (12) are both provided with connecting blocks (16), and two the connecting blocks (16) are bound with the fixing frame (12) through insulating glue, an adjusting screw rod (15) is arranged inside a connecting block (16) on the left side of the fixing frame (12), the adjusting screw rod (15) is in threaded connection with the connecting block (16), wing nuts (21) and first gap balls (14) are respectively arranged at the left end and the right end of the adjusting screw rod (15), the wing nuts (21) and the first gap balls (14) are respectively in threaded connection with the left end and the right end of the adjusting screw rod (15), a fixing screw rod (11) is arranged inside the connecting block (16) on the right side of the fixing frame (12), the fixing screw rod (11) is in threaded connection with the connecting block (16), the fixing frame (12) is connected with the fixing plate (10) through the fixing screw rod (11), a second gap ball (13) is arranged at the left end of the fixing screw rod (11), the second gap ball (13) is in threaded connection with the fixing screw rod (11), and a connecting hole (17) is arranged on the left side of the fixing frame, and connecting hole (17) and mount (12) set up as an organic whole, and the inside of connecting hole (17) is equipped with connecting screw (18), and connecting screw (18) and connecting hole (17) threaded connection, and connecting screw (18) link up mount (12) and connecting block (16) in proper order and link to each other with adjusting screw (15) overlap joint, and the top cover of connecting screw (18) is equipped with connecting button (20), and connecting button (20) and connecting screw (18) threaded connection, and the cover is equipped with between connecting button (20) and connecting screw (18) and waits to examine anodal (24), and wait to examine anodal (24) and connecting screw (18) ligature and link to each other, it links to each other with waiting to examine negative pole (23) through first clearance ball (14) and second clearance ball (13) to examine anodal (24).

2. The novel apparatus of claim 1, wherein: a current regulating button (7) is arranged between the generator anode (6) and the generator cathode (5), and the current regulating button (7) is connected with the direct-current high-voltage generator (2) through a bolt.

3. The novel apparatus of claim 1, wherein: the joint of the capacitor anode (9) and the fixing plate (10) is provided with a fixing gasket (25), and the fixing gasket (25) is connected with the capacitor anode (9) in a sleeved mode.

4. The novel apparatus of claim 1, wherein: the storage capacitor (1) is provided with fixing straps (22), the two fixing straps (22) are respectively connected with the direct-current high-voltage generator (2) through bolts, and the storage capacitor (1) is connected with the direct-current high-voltage generator (2) through the fixing straps (22).

5. The novel apparatus of claim 1, wherein: and a connecting gasket (19) is arranged at the joint of the connecting screw rod (18) and the fixed frame (12), and the connecting gasket (19) is in threaded connection with the connecting screw rod (18).