CN210835099U

CN210835099U - Detection device of leakage protector

Info

Publication number: CN210835099U
Application number: CN201921525733.1U
Authority: CN
Inventors: 宋文臣
Original assignee: Guangdong Suian Technology Detection Center Co ltd
Current assignee: Guangdong Suian Technology Detection Center Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-23
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a detection device of a leakage protector, which comprises a bottom plate, wherein the bottom plate is provided with a storage battery, an ammeter, a switch, a rheostat, two contact pins and two vertical fixing plates which are parallel to each other, the bottoms of the two fixing plates are fixedly connected with the bottom plate, two vertical clamping plates are arranged between the two fixing plates, a horizontal connecting rod is arranged between the two ends of the two fixing plates, the two ends of each clamping plate are sleeved on the connecting rod and are in sliding fit with the connecting rod, and a spring is arranged between each clamping plate and the corresponding fixing plate; one pin, the storage battery, the ammeter, the switch, the rheostat and the other pin are connected in series through a lead. During the use, directly insert two contact pins by the output interface and the input interface of earth leakage protector, it is very convenient, connect the earth leakage protector with the wire that adopts flexibility among the prior art and compare, detection efficiency is higher, saves time more.

Description

Detection device of leakage protector

Technical Field

The utility model belongs to the check out test set field, especially a earth-leakage protector's detection device.

Background

The leakage protector is also called leakage breaker and leakage switch, and is mainly used for protecting the electric shock of the human body with fatal danger when the equipment has leakage fault. The overload and short-circuit protection device has overload and short-circuit protection functions, can be used for protecting overload and short circuit of a line or a motor, and can also be used for starting the line in an infrequent switching mode under normal conditions. The working process is as follows: when the current in the protected circuit is abnormal, the circuit is cut off, so that the power utilization safety is ensured.

In order to ensure that earth leakage protector can normally work, need detect earth leakage protector when overhauing circuit or installation earth leakage protector, its detection principle is: and providing a detection circuit, connecting the leakage protector into the detection circuit, electrifying the detection circuit, enabling the current intensity in the circuit to reach the cut-off current of the leakage protector, and judging whether the leakage protector is normal or not by seeing whether the leakage protector cuts off the circuit. When the existing detection equipment is used, a conventional lead needs to be connected into an input interface and an output interface of the leakage protector, so that the operation is troublesome, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a more convenient earth-leakage protector's of wiring detection device.

The purpose of the utility model is realized like this: a detection device of a leakage protector comprises a bottom plate, wherein a storage battery, an ammeter, a switch, a rheostat, two contact pins and two vertical fixing plates which are parallel to each other are arranged on the bottom plate, the bottoms of the two fixing plates are fixedly connected with the bottom plate, two vertical clamping plates are arranged between the two fixing plates, a horizontal connecting rod is arranged between the two ends of the two fixing plates, the two ends of each clamping plate are sleeved on the connecting rod and are in sliding fit with the connecting rod, and a spring is arranged between each clamping plate and the corresponding fixing plate; one pin, the storage battery, the ammeter, the switch, the rheostat and the other pin are connected in series through a lead.

Furthermore, the cross section of the connecting rod is rectangular, a positioning block in sliding fit with the connecting rod is arranged on the connecting rod between the two clamping plates, a through hole perpendicular to the connecting rod is formed in the positioning block, a threaded hole vertically extending to the through hole is formed in the top of the positioning block, a fastening screw is arranged in the threaded hole, and the contact pin penetrates through the through hole and is pressed and fixed in the through hole through the fastening screw.

Furthermore, an insulating sleeve is sleeved at one end, connected with the lead, of the contact pin, the insulating sleeve is located in the through hole, and the fastening screw compresses the insulating sleeve.

Further, the varistor is a sliding varistor.

Further, the switch is a push button switch.

Further, the storage battery is a lithium battery.

Furthermore, the edge of the bottom plate is provided with a side plate, the top of the side plate is provided with a top plate, and the bottom plate, the side plate and the top plate enclose a cavity.

Furthermore, a handle is arranged on one side plate.

The utility model has the advantages that: during the use, directly insert two contact pins by the output interface and the input interface of earth leakage protector, it is very convenient, connect the earth leakage protector with the wire that adopts flexibility among the prior art and compare, detection efficiency is higher, saves time more.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic top view of the top plate according to the present invention.

Fig. 3 is a schematic cross-sectional view of a-a in fig. 2.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a detection apparatus for earth-leakage protector, including bottom plate 1, be provided with battery 2, ampere meter 3, switch 4, rheostat 5, two contact pins 10 and two vertical and mutually parallel fixed plates 6 on the bottom plate 1, battery 2 can adopt lead battery or lithium cell, and output voltage can be 24V or 12V. The ammeter 3 can adopt the prior digital display ammeter to facilitate quick reading, the switch 4 can adopt the prior switch structures with various forms, such as a button switch, a toggle switch and the like, the prior rheostat 5 comprises a slide rheostat, a knob rheostat box, a plunger type rheostat box, a plug-in rheostat and the like, and preferably adopts the slide rheostat, so that the operation is convenient. The pins 10 are made of metal material such as copper pins. The bottom parts of the two fixed plates 6 are fixedly connected with the bottom plate 1, two vertical clamping plates 7 are arranged between the two fixed plates 6, a horizontal connecting rod 8 is arranged between the two ends of the two fixed plates 6, the two ends of the clamping plates 7 are sleeved on the connecting rod 8 and are in sliding fit with the connecting rod 8, and a spring 9 is arranged between the clamping plates 7 and the fixed plates 6; one pin 10, the battery 2, the ammeter 3, the switch 4, the varistor 5 and the other pin 10 are connected in series by a wire. The effect of grip block 7 lies in fixing being surveyed the earth-leakage protector, during the concrete use, promotes two grip blocks 7 reverse movement, makes spring 9 compressed, produces great space between two grip blocks 7, then will be surveyed between the earth-leakage protector puts into two grip blocks 7, unclamps grip block 7, and spring 9 extension promotes grip block 7 and pastes tightly being surveyed the earth-leakage protector, can utilize the elasticity of spring 9 will be fixed by the earth-leakage protector. The connecting rod 8 plays a guiding role. After the leakage protector is fixed, two contact pins 10 are respectively inserted into an input interface and an output interface of the leakage protector, then the resistance value of the rheostat 5 is adjusted to be maximum, the switch 4 is closed, the detection circuit is connected, current is generated in the circuit, the current in the circuit is detected by using the ammeter 3, then the resistance value of the rheostat 5 is adjusted, the resistance value is reduced, the current is increased until the current reaches the rated disconnection current of the leakage protector, at the moment, if the rheostat 5 is adjusted to be disconnected, the detection circuit is cut off, the reading of the ammeter 3 is 0, the leakage protector is indicated to normally work, and if the circuit is normally connected, the leakage protector is indicated to be failed and cannot be used.

The cross section of the connecting rod 8 is rectangular, a positioning block 11 in sliding fit with the connecting rod 8 is arranged on the connecting rod 8 between the two clamping plates 7, a through hole perpendicular to the connecting rod 8 is formed in the positioning block 11, a threaded hole vertically extending to the through hole is formed in the top of the positioning block 11, a fastening screw 12 is arranged in the threaded hole, and the contact pin 10 penetrates through the through hole and is pressed and fixed in the through hole through the fastening screw 12. The cross section of the connecting rod 8 is rectangular, so that the positioning block 11 can be ensured to axially slide along the connecting rod 8 without circumferentially rotating, and the positioning effect is achieved. When the leakage protector is used, the fastening screw 12 is loosened, the inserting pin 10 can be pushed to move, the inserting pin 10 is inserted into an input interface or an output interface of the leakage protector to be detected, and then the inserting pin 10 is kept fixed by the fastening screw 12. The positioning block 11 can slide, and the position of the pin 10 can be adjusted, so as to be conveniently and quickly inserted into the input interface or the output interface of the earth leakage protector.

An insulating sleeve 13 is sleeved at one end of the contact pin 10 connected with the lead, the insulating sleeve 13 is positioned in the through hole, and the fastening screw 12 compresses the insulating sleeve 13. The insulating sleeve 13 may be a plastic sleeve, which protects the pin 10 and prevents the pin 10 from contacting other conductors and causing electrical leakage.

In order to carry the device conveniently, the edge of the bottom plate 1 is provided with a side plate 14, the top of the side plate 14 is provided with an openable top plate 15, the bottom plate 1, the side plate 14 and the top plate 15 enclose a cavity, and one side plate 14 is provided with a handle 16. The bottom plate 1, the side plates 14 and the top plate 15 form a box structure, so that internal elements can be protected, and the box structure is convenient to carry.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A detection device of a leakage protector is characterized in that: the electric heating furnace comprises a bottom plate (1), wherein a storage battery (2), an ammeter (3), a switch (4), a rheostat (5), two contact pins (10) and two vertical fixing plates (6) which are parallel to each other are arranged on the bottom plate (1), the bottoms of the two fixing plates (6) are fixedly connected with the bottom plate (1), two vertical clamping plates (7) are arranged between the two fixing plates (6), a horizontal connecting rod (8) is arranged between the two ends of the two fixing plates (6), the two ends of each clamping plate (7) are sleeved on the corresponding connecting rod (8) and are in sliding fit with the corresponding connecting rod (8), and a spring (9) is arranged between each clamping plate (7) and the corresponding fixing plate (6); one contact pin (10), the storage battery (2), the ammeter (3), the switch (4), the rheostat (5) and the other contact pin (10) are connected in series through a lead.

2. A detecting device for a leakage protector according to claim 1, wherein: the cross section of connecting rod (8) is the rectangle of personally submitting, be provided with on connecting rod (8) between two grip blocks (7) with connecting rod (8) sliding fit's locating piece (11), be provided with the through-hole of perpendicular to connecting rod (8) on locating piece (11), the top of locating piece (11) is provided with the vertical screw hole that extends to the through-hole, threaded hole is provided with fastening screw (12), contact pin (10) run through the through-hole and are compressed tightly by fastening screw (12) and fix in the through-hole.

3. A detecting device for a leakage protector according to claim 2, wherein: one end of the contact pin (10) connected with the lead is sleeved with an insulating sleeve (13), the insulating sleeve (13) is positioned in the through hole, and the fastening screw (12) compresses the insulating sleeve (13).

4. A detecting device for a leakage protector according to claim 1, wherein: the rheostat (5) is a sliding rheostat.

5. A detecting device for a leakage protector according to claim 1, wherein: the switch (4) is a button switch.

6. A detecting device for a leakage protector according to claim 1, wherein: the storage battery (2) is a lithium battery.

7. A detecting device for a leakage protector according to claim 1, wherein: the edge of the bottom plate (1) is provided with a side plate (14), the top of the side plate (14) is provided with an openable top plate (15), and the bottom plate (1), the side plate (14) and the top plate (15) enclose a cavity.

8. A detecting device for a leakage protector according to claim 7, wherein: one side plate (14) is provided with a handle (16).