CN213689897U

CN213689897U - Leakage current tester that security performance is high

Info

Publication number: CN213689897U
Application number: CN202021973930.2U
Authority: CN
Inventors: 高翔
Original assignee: Shanghai Mulai Testing Technology Co ltd
Current assignee: Shanghai Mulai Testing Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-07-13
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a leakage current tester that security performance is high, including base and tester body, the four corners department of base top outer wall all is provided with first circular recess, and the bottom inner wall of first circular recess all has the spring through screw connection, and the top outer wall of spring all has the bracing piece through screw connection, the top outer wall of bracing piece all has the fixed block through screw connection, and the fixed block all is connected with the tester body, and the top outer wall of base is provided with the rectangle recess. The utility model discloses fixed block, bracing piece and spring are collided with the dynamics that produces and are cushioned the tester, long-time work, and the bottom plate that the slope set up has supported the tester, and the fan effect is cooled down the dust removal through the vent hole to the tester, avoids the heat of tester to distribute and does not go out and can damage life, also can have the dust and get into inside the tester, and the phenomenon that the part damaged is led to the fact in the jam takes place, has improved leakage current tester's availability factor.

Description

Leakage current tester that security performance is high

Technical Field

The utility model relates to a current tester technical field especially relates to a leakage current tester that security performance is high.

Background

The leakage current is very small current generated between a live wire and a zero line of the electric appliance when the electric appliance works normally, and is equivalent to static electricity of a common electric appliance, and a leakage current tester is used for mainly testing an L pole and an N pole of the electric appliance during testing. For the testing of electrical appliances, leakage current refers to the current developed between electrically charged metallic parts insulated from each other, or between an electrically charged part and a grounded part, through the surrounding medium or insulating surface thereof, in the absence of a fault applied voltage, and is referred to as leakage current. Longer wires create greater distributed capacitance and increase leakage current, which is particularly noticeable in ungrounded systems.

Use the current tester to test leakage current usually, the principle is that earlier the test connection pen couples together with the socket on the tester, the electric current of test connection pen test leakage through the test, and express data out through the tester, because leakage current's position is different, so the operational environment of current tester is not a uniform, the tester internals is meticulous, just can lead to the function failure when colliding with appears, and work for a long time, the heat of tester gives off and does not go out and can damage life, also can have the dust and get into inside the tester, the phenomenon that the jam caused the part to damage takes place, the availability factor of leakage current tester has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a leakage current tester with high safety performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a leakage current tester with high safety performance comprises a base and a tester body, wherein four corners of the outer wall of the top end of the base are respectively provided with a first circular groove, the inner walls of the bottoms of the first circular grooves are connected with springs through screws, the outer walls of the top ends of the springs are connected with supporting rods through screws, the outer walls of the top ends of the supporting rods are connected with fixing blocks through screws, the fixed blocks are connected with the tester body, the outer wall of the top end of the base is provided with a rectangular groove, the inner wall of the bottom of the rectangular groove is connected with ten to twelve bottom plates which are distributed at equal intervals through screws, the bottom plates are all connected with the tester body, two first rectangular holes are arranged on the outer wall of the other side of the base at equal intervals, the inner wall of the first rectangular hole is connected with a fixed frame through screws, and the inner wall of the fixed frame is connected with a fan through rivets.

Further, the bottom plate all is the slope setting, and the inclination of bottom plate is forty-five degrees to sixty degrees, and four to six equidistance ventilation holes that distribute are all seted up to one side outer wall of bottom plate.

Further, second rectangular hole has all been seted up to the both sides outer wall of base, and the inner wall in second rectangular hole all has the heating panel through bolted connection.

Furthermore, the outer wall of one side of tester body has control panel through the screw connection, and one side outer wall of control panel is provided with seven to nine equidistance control button that distribute, and one side outer wall of control panel is provided with the display screen, and one side outer wall of control panel bottom is provided with three to five equidistance sockets that distribute.

Furthermore, three to five wiring holes that the equidistance distributes are seted up to one side outer wall of base, and the size looks adaptation of wiring hole and socket, and the four corners department of base bottom outer wall all has the pulley through the screw connection.

Further, the both sides outer wall of base bottom all is provided with the circular recess of second, and the inner wall of the circular recess of second all has the pneumatic cylinder through rivet connection, and the one end of pneumatic cylinder piston rod all has the backup pad through screw connection.

The utility model has the advantages that:

1. this leakage current tester that security performance is high, through being provided with the base, the fixed block, the bracing piece, a spring, fixed frame, the fan, bottom plate and heating panel, the fixed block, bracing piece and spring are collided with the dynamics that produces to the tester and are cushioned, long-time work, the bottom plate that the slope set up supports plays the tester, the fan effect is cooled down through the venthole and is removed the dust to the tester, the heat of avoiding the tester gives off and can not go out and damage life, also can have inside the dust gets into the tester, the phenomenon that the jam caused the part to damage takes place, the availability factor of leakage current tester has been improved.

2. This leakage current tester that security performance is high through being provided with pulley and wiring hole, the pulley can make things convenient for the removal of tester, and it is more convenient that the wiring hole makes the test connection pen connect, and protects the jack on the tester not pulled the damage, has improved the convenience of device.

3. This leakage current tester that security performance is high through being provided with pneumatic cylinder and backup pad, removes the assigned position back when the tester, and the pneumatic cylinder stretches out the piston rod with base jack-up, restriction tester removal at the during operation with rock, improved the stability of device.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic perspective view of the overall structure of a leakage current tester with high safety performance according to the present invention;

fig. 2 is a schematic perspective view of a base structure of a leakage current tester with high safety performance according to the present invention;

fig. 3 is a side view of the tester body structure of the leakage current tester with high safety performance provided by the utility model;

fig. 4 is a side view of the base and the hydraulic cylinder structure of the leakage current tester with high safety performance.

In the figure: the test instrument comprises a base 1, a control panel 2, a tester body 3, a fixing block 4, a heat dissipation plate 5, a wiring hole 6, a pulley 7, a bottom plate 8, a spring 9, a fixing frame 10, a fan 11, a control button 12, a display screen 13, a socket 14, a support rod 15, a hydraulic cylinder 16 and a support plate 17.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, a leakage current tester with high safety performance comprises a base 1 and a tester body 3, wherein first circular grooves are arranged at four corners of the outer wall of the top end of the base 1, the inner walls of the bottoms of the first circular grooves are connected with springs 9 through screws, the outer walls of the top ends of the springs 9 are connected with supporting rods 15 through screws, the outer walls of the top ends of the supporting rods 15 are connected with fixing blocks 4 through screws, the fixing blocks 4 are connected with the tester body 3, the outer wall of the top end of the base 1 is provided with rectangular grooves, the inner walls of the bottoms of the rectangular grooves are connected with ten to twelve bottom plates 8 which are distributed equidistantly through screws, the bottom plates 8 are connected with the tester body 3, the outer wall of the other side of the base 1 is provided with two first rectangular holes which are distributed equidistantly, and the inner walls of the first rectangular holes are, and the inner wall of the fixed frame 10 is connected with a fan 11 through rivets.

The utility model discloses in, bottom plate 8 all is the slope setting, and the inclination of bottom plate 8 is forty-five degrees to sixty degrees, and four to six equidistance ventilation holes that distribute are all seted up to one side outer wall of bottom plate 8.

The utility model discloses in, the second rectangular hole has all been seted up to base 1's both sides outer wall, and the inner wall in second rectangular hole all has heating panel 5 through the screw connection.

The utility model discloses in, there is control panel 2 one side outer wall of tester body 3 through the screw connection, and one side outer wall of control panel 2 is provided with seven to nine equidistance distribution's control button 12, and one side outer wall of control panel 2 is provided with display screen 13, and one side outer wall of 2 bottoms of control panel is provided with three to five equidistance distribution's socket 14.

The utility model discloses in, three to five wiring holes 6 that the equidistance distributes are seted up to one side outer wall of base 1, and wiring hole 6 and socket 14's size looks adaptation, and the four corners department of base 1 bottom outer wall all has pulley 7 through the screw connection.

The working principle is as follows: when current tester is used to test leakage current, tester body 3 is put on base 1, base 1 moves assigned position along with pulley 7, the test connection pen is inserted in wiring hole 6 and is connected with socket 14, in the test process, the rocking that the tester body collided with the production is by fixed block 4, bracing piece 15 and spring 9 buffering absorption, long-time work, the tester body gives off the heat, bottom plate 8 supports tester body 3, fan 11 in the fixed frame 10 is used and is cooled down the dust removal through the vent hole on the bottom plate 8 to tester body 3, the heat is discharged through the heating panel 5 on base 1 both sides, measured data expresses through display screen 13 on control panel 2, control button 12 debugs, accomplish the use of leakage current tester.

Example 2

Referring to fig. 4, a leakage current tester that security performance is high, this embodiment compare in embodiment 1, still include that the both sides outer wall of 1 bottom of base all is provided with the circular recess of second, and the inner wall of the circular recess of second all has pneumatic cylinder 16 through rivet connection, and the one end of the 16 piston rods of pneumatic cylinder all has backup pad 17 through screw connection.

The working principle is as follows: after tester body 3 moved the assigned position through pulley 7, pneumatic cylinder 16 began to act on, stretched out the piston rod and ejecting with backup pad 17, and backup pad 17 jacks up base 1, restriction tester body 3's removal and rocking, and after the test was accomplished, pneumatic cylinder 16 packed up backup pad 17, accomplished the process that improves device stability.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A leakage current tester with high safety performance comprises a base (1) and a tester body (3), and is characterized in that four corners of the outer wall of the top end of the base (1) are provided with first circular grooves, the inner walls of the bottoms of the first circular grooves are connected with springs (9) through screws, the outer walls of the top ends of the springs (9) are connected with supporting rods (15) through screws, the outer walls of the top ends of the supporting rods (15) are connected with fixing blocks (4) through screws, the fixing blocks (4) are connected with the tester body (3), the outer wall of the top end of the base (1) is provided with rectangular grooves, the inner walls of the bottoms of the rectangular grooves are connected with ten to twelve bottom plates (8) which are distributed equidistantly through screws, the bottom plates (8) are connected with the tester body (3), and the outer wall of the other side of the base (1) is provided with two first rectangular holes which are distributed equidistantly, the inner wall of the first rectangular hole is connected with a fixing frame (10) through screws, and the inner wall of the fixing frame (10) is connected with a fan (11) through rivets.

2. The leakage current tester with high safety performance as claimed in claim 1, wherein the bottom plate (8) is arranged in an inclined manner, the inclination angle of the bottom plate (8) is forty-five degrees to sixty degrees, and four to six ventilation holes are formed in the outer wall of one side of the bottom plate (8) and are distributed equidistantly.

3. The leakage current tester with high safety performance according to claim 1, wherein the outer walls of two sides of the base (1) are respectively provided with a second rectangular hole, and the inner wall of each second rectangular hole is connected with a heat dissipation plate (5) through a screw.

4. The leakage current tester with high safety performance according to claim 1, wherein the outer wall of one side of the tester body (3) is connected with the control panel (2) through a screw, the outer wall of one side of the control panel (2) is provided with seven to nine control buttons (12) which are distributed equidistantly, the outer wall of one side of the control panel (2) is provided with a display screen (13), and the outer wall of one side of the bottom end of the control panel (2) is provided with three to five jacks (14) which are distributed equidistantly.

5. The leakage current tester with high safety performance according to claim 3, wherein the outer wall of one side of the base (1) is provided with three to five wiring holes (6) which are distributed equidistantly, the wiring holes (6) are matched with the size of the socket (14), and pulleys (7) are connected to four corners of the outer wall of the bottom end of the base (1) through screws.

6. The leakage current tester with high safety performance according to claim 5, wherein the outer walls of two sides of the bottom end of the base (1) are respectively provided with a second circular groove, the inner walls of the second circular grooves are respectively connected with a hydraulic cylinder (16) through rivets, and one end of a piston rod of the hydraulic cylinder (16) is respectively connected with a support plate (17) through a screw.