CN218938382U

CN218938382U - Variable frequency grounding resistance tester

Info

Publication number: CN218938382U
Application number: CN202223248100.5U
Authority: CN
Inventors: 陈武; 王丽萍
Original assignee: Wuhan Sanjin Kechuang Power Technology Co ltd
Current assignee: Wuhan Sanjin Kechuang Power Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-28
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a frequency conversion grounding resistance tester, which comprises a box body and a protective cover, wherein the bottom of the inside of the box body is respectively provided with a telescopic spring and a fixed groove, one end of the telescopic spring is arranged at the bottom of a supporting plate, the peripheral surface of the upper end of the supporting plate is provided with a return-type stop block, the middle surface of the upper end of the supporting plate is provided with a tester body, the middle parts of two sides of the fixed groove are respectively provided with a first groove, and the middle parts of two sides of the box body are respectively provided with a second groove.

Description

Variable frequency grounding resistance tester

Technical Field

The utility model belongs to the technical field of grounding test of variable frequency electric systems, and particularly relates to a variable frequency grounding resistance tester.

Background

The frequency conversion ground resistance tester is a software and hardware system which is mainly used for accurately measuring the characteristic parameters of a large-scale ground network. The military electronic anti-digital filtering technology is adopted, so that the anti-interference capability is extremely strong, and the data at the power frequency of 50Hz can be accurately measured in a strong interference environment.

The common frequency conversion ground resistance tester is inconvenient to carry, and the safeguard function is relatively poor when carrying simultaneously, and extremely time-varying frequency ground resistance tester is suffered to damage, is inconvenient to adjust its height in frequency conversion ground resistance tester use, and is inconvenient for the stability of frequency conversion ground resistance tester when placing.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a frequency conversion grounding resistance tester, so as to solve the problems that the common frequency conversion grounding resistance tester provided in the background art is inconvenient to carry, has poor protection function during carrying, is extremely easy to damage, is inconvenient to adjust the height during the use process of the frequency conversion grounding resistance tester, and is inconvenient to stabilize during the placement of the frequency conversion grounding resistance tester.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a frequency conversion ground resistance tester, includes box and protective cover, the inside bottom of box is provided with extension spring and fixed recess respectively, extension spring one end sets up in the backup pad bottom, backup pad upper end surface all around is provided with back type dog, backup pad upper end middle part surface is provided with the tester body, fixed recess both sides middle part all is provided with first recess, box both sides middle part all is provided with the second recess, first recess and second recess are inside all to be provided with fixed baffle, fixed baffle one side middle part is provided with the hexagonal block, box both sides top all is provided with rotates the circle axle, it is provided with circular block to rotate circle axle one end, it sets up in portable fence one end to rotate circle axle outside surface, box top front end is provided with magnetism bench all around, the box bottom all is provided with the landing leg, the landing leg bottom is provided with the slipmat, the inboard surface of protective cover is provided with crashproof cotton, protective cover one side is provided with the hand groove, protective cover bottom front end is provided with the magnetism draw-in groove, box and back all are provided with the hinge.

Preferably, one end of the telescopic spring is fixedly connected with the bottom inside the box body, the other end of the telescopic spring is fixedly connected with the bottom of the supporting plate, the fixing groove is fixedly connected with the bottom inside the box body, and the telescopic spring is arranged inside the fixing groove.

Preferably, the square-shaped stop block is fixedly connected with the peripheral surface of the upper end of the supporting plate, and the tester body is placed on the middle surface of the upper end of the supporting plate.

Preferably, the first grooves and the second grooves are both arranged, the two first grooves are fixedly connected with the middle parts of two sides of the fixing groove, and the two second grooves are fixedly connected with the middle parts of two sides of the box body.

Preferably, two fixed baffle plates are arranged, one side of each fixed baffle plate is fixedly connected with the hexagonal baffle block, and the two fixed baffle plates are connected with the box body and the telescopic spring in a clamping manner through the first groove and the second groove.

Preferably, the rotary round shaft is provided with two, two the rotary round shaft is fixedly connected with the upper parts of two sides of the box body, two one end of the rotary round shaft is fixedly connected with the circular block, and two outer side surfaces of the rotary round shaft are rotatably connected with two ends of the hand-held fence.

Preferably, the magnetic strip block is fixedly connected with the front end of the top of the box body, the magnetic clamping groove is fixedly connected with the front end of the bottom of the protective cover, the box body is in adsorption connection with the protective cover through the magnetic strip block and the magnetic clamping groove, the anti-collision cotton is fixedly connected with the inner side surface of the protective cover, and the hand pulling groove is fixedly connected with one side of the protective cover.

Preferably, the hinge is provided with two, two the hinge both sides all with box and shield lid back both sides fixed connection, the shield lid passes through the hinge and articulates with the box, the landing leg is provided with four, four the landing leg all with box bottom fixed connection all around, four landing leg bottom all with slipmat fixed connection.

Compared with the prior art, the utility model provides a variable frequency grounding resistance tester, which has the following beneficial effects:

1. the portable fence is arranged, so that the frequency conversion grounding resistance tester can be conveniently carried, the rotary circular shaft is arranged, the portable fence can be used for providing a supporting effect for the rotation of the portable fence, the portable fence can be conveniently utilized for moving the position of the box body, the circular blocking block is arranged, the portable fence can be prevented from being separated from the outer side surface of the rotary circular shaft, the bottom of the box body can be prevented from being directly contacted with the ground through the supporting legs, and the supporting legs can be prevented from sliding when being placed, so that the tester body is prevented from being damaged.

2. According to the utility model, the anti-collision cotton is arranged, so that the variable-frequency grounding resistance tester can be prevented from being damaged, the collision stress of the tester body is reduced, the separation between the protective cover and the box body can be prevented from being damaged by external collision due to the arrangement of the magnetic strip blocks and the magnetic clamping grooves, the stress point can be provided for the separation between the protective cover and the box body by arranging the hand-pulled grooves, the separation between the protective cover and the box body is facilitated, the support stabilizing effect can be provided for the separation between the protective cover and the box body by arranging the hinge, and the opening and closing between the protective cover and the box body are facilitated.

3. According to the variable frequency grounding resistance tester, the height of the variable frequency grounding resistance tester can be conveniently adjusted in use by the aid of the telescopic springs, the optional height can be adjusted by means of the elastic force, the periphery of the tester body can be blocked and fixed by the aid of the return-type stop blocks, the variable frequency grounding resistance tester is prevented from being contacted with the periphery in the box body, damage to the tester body is caused, the supporting plates are arranged, a placing space can be provided for the tester body, the bottom of the telescopic springs can be prevented from sliding, the supporting plates incline, damage to the variable frequency grounding resistance tester is caused, the first grooves and the second grooves are arranged, clamping space can be provided for the fixed baffle plates, the telescopic distance of the telescopic springs can be blocked, the height of the telescopic springs is kept stable, the fixed baffle plates can be conveniently pulled at any time by the aid of the six-side stop blocks, and the fixed baffle plates are prevented from directly entering the box body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:

FIG. 1 is a schematic diagram of a variable frequency ground resistance tester according to the present utility model;

FIG. 2 is a front view of a variable frequency ground resistance tester according to the present utility model;

FIG. 3 is an enlarged view of the variable frequency ground resistance tester of FIG. 2A according to the present utility model;

FIG. 4 is a side view of a variable frequency ground resistance tester according to the present utility model;

FIG. 5 is an enlarged view of the variable frequency ground resistance tester of FIG. 4B according to the present utility model;

in the figure: 1. a case; 2. a protective cover; 3. a hand-held fence; 4. a hexagonal block; 5. a support leg; 6. a telescopic spring; 7. an anti-slip pad; 8. fixing a baffle plate; 9. rotating the round shaft; 10. a circular block; 11. a fixing groove; 12. a first groove; 13. a tester body; 14. anti-collision cotton; 15. a hinge; 16. a support plate; 17. a return-type stop block; 18. a hand-pulled groove; 19. a magnetic clamping groove; 20. a magnetic bar; 21. and a second groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a frequency conversion ground resistance tester, including box 1 and shield cover 2, the inside bottom of box 1 is provided with telescopic spring 6 and fixed recess 11 respectively, through being provided with telescopic spring 6, can be convenient for use in the middle of the frequency conversion ground resistance tester height adjustment, utilize elasticity, can adjust arbitrary height, telescopic spring 6 one end setting is in backup pad 16 bottom, backup pad 16 upper end surface all around is provided with back type dog 17, through being provided with backup pad 16, can provide the space of placing for tester body 13, through being provided with back type dog 17, can block around to tester body 13 and fix, avoid the contact around frequency conversion ground resistance tester and the inside of box 1, lead to the damage of tester body 13, backup pad 16 upper end middle part surface is provided with tester body 13, fixed recess 11 both sides middle part all is provided with first recess 12, through being provided with fixed recess 11, can avoid telescopic spring 6 bottom to slide, lead to the slope of backup pad 16, cause the damage to the frequency conversion ground resistance tester, box 1 both sides middle part all is provided with second recess 21, can be provided with the fixed recess through being provided with first recess 21 and second recess 21, can be provided with the fixed baffle 8 for the fixed baffle that the diameter of a fixed baffle is fixed to be 8, can be provided with the fixed baffle 8, the baffle is through setting up to the fixed baffle 8, the fixed baffle is fixed to the fixed baffle 8, can be provided with the baffle 8, the diameter of baffle is fixed to be fixed to the baffle 8, the baffle is set up to the fixed baffle 8, the baffle is set up to be fixed to the baffle 8, and the baffle is set up to the baffle 8, the diameter is fixed to be fixed, and is 8, and is set up to the baffle 8, and is set up to be fixed to the baffle 8, and is set up to the baffle 8, and is set up to the diameter. Can provide supporting role for the rotation of portable column 3, be convenient for utilize portable column 3 to remove the position of box 1, rotate round axle 9 one end and be provided with circular block 10, through being provided with circular block 10, can prevent that portable column 3 from breaking away from with rotating round axle 9 outside surface, rotate round axle 9 outside surface setting at portable column 3 one end, through being provided with portable column 3, can be convenient for carry of frequency conversion ground resistance tester, box 1 top front end is provided with magnetism bench 20, box 1 bottom all is provided with landing leg 5 all around, through being provided with landing leg 5, can avoid box 1 bottom direct with ground contact, landing leg 5 bottom is provided with slipmat 7, through being provided with slipmat 7, can avoid landing leg 5 to produce the slip when placing, lead to the damage of tester body 13, the inboard surface of shield 2 is provided with crashproof cotton 14, through being provided with crashproof cotton 14, can prevent that frequency conversion ground resistance tester from receiving the damage, reduce the collision atress of tester body 13, shield 2 one side is provided with hand slot 18, can be provided with the shield 2 between the box 1 and the side of being provided with between the magnetic strip 2 and the magnetic strip 2, can be provided with the shield 1 through being provided with between the side of the magnetic strip 2 and the magnetic strip 2, can be provided with the shield 1 and the magnetic shield 15 between the box 1, can be provided with the magnetic shield 1 and the magnetic shield 1 through the two sides of the side of the shield 1, can be provided with between the two sides of the shield 1, and the shield 1, can be provided with the shield 2, and the shield through the shield 1, can be provided with the shield 1, and the shield through the shield 1 can be protected between the shield 1 and the shield 1 is provided between the shield can be provided with the shield 2.

In the utility model, preferably, one end of the telescopic spring 6 is fixedly connected with the bottom inside the box body 1, the other end of the telescopic spring 6 is fixedly connected with the bottom of the supporting plate 16, the fixed groove 11 is fixedly connected with the bottom inside the box body 1, the telescopic spring 6 is arranged inside the fixed groove 11, the height of the variable frequency grounding resistance tester can be conveniently adjusted in use by arranging the telescopic spring 6, the arbitrary height can be adjusted by utilizing elasticity, the supporting plate 16 is arranged to provide a placing space for the tester body 13, and the bottom of the telescopic spring 6 can be prevented from sliding by arranging the fixed groove 11, so that the supporting plate 16 is inclined to cause damage to the variable frequency grounding resistance tester.

In the utility model, preferably, the loop-shaped stop block 17 is fixedly connected with the peripheral surface of the upper end of the supporting plate 16, the tester body 13 is placed on the middle surface of the upper end of the supporting plate 16, and the loop-shaped stop block 17 is arranged to block and fix the periphery of the tester body 13, so that the frequency conversion grounding resistance tester is prevented from contacting the periphery of the inside of the box body 1, and the tester body 13 is prevented from being damaged.

In the utility model, preferably, two first grooves 12 and two second grooves 21 are provided, the two first grooves 12 are fixedly connected with the middle parts of two sides of the fixed groove 11, the two second grooves 21 are fixedly connected with the middle parts of two sides of the box body 1, and the first grooves 12 and the second grooves 21 are provided to provide a clamping space for the fixed baffle plate 8.

In the utility model, preferably, two fixed baffle plates 8 are arranged, one side of each of the two fixed baffle plates 8 is fixedly connected with the hexagonal baffle block 4, the two fixed baffle plates 8 are connected with the box body 1 and the telescopic spring 6 in a clamping way through the first groove 12 and the second groove 21, the telescopic distance of the telescopic spring 6 can be blocked by arranging the fixed baffle plates 8, the height of the telescopic spring 6 is kept stable, and the fixed baffle plates 8 can be conveniently pulled at any time and can be prevented from directly entering the box body 1 by arranging the hexagonal baffle block 4.

In the utility model, preferably, two rotating circular shafts 9 are arranged, the two rotating circular shafts 9 are fixedly connected with the upper parts of two sides of the box body 1, one ends of the two rotating circular shafts 9 are fixedly connected with round blocking blocks 10, the outer side surfaces of the two rotating circular shafts 9 are rotatably connected with the two ends of the hand-held fence 3, the carrying of the variable frequency grounding resistance tester can be facilitated by arranging the hand-held fence 3, the supporting effect can be provided for the rotation of the hand-held fence 3 by arranging the rotating circular shafts 9, the position of the box body 1 can be conveniently moved by using the hand-held fence 3, and the separation of the hand-held fence 3 from the outer side surface of the rotating circular shaft 9 can be prevented by arranging the round blocking blocks 10.

In the utility model, preferably, the magnetic strip 20 is fixedly connected with the front end of the top of the box body 1, the magnetic clamping groove 19 is fixedly connected with the front end of the bottom of the protective cover 2, the box body 1 is fixedly connected with the inner side surface of the protective cover 2 through the magnetic strip 20 and the magnetic clamping groove 19 in an adsorption manner, the anti-collision cotton 14 is fixedly connected with one side of the protective cover 2, the anti-collision cotton 14 is arranged, the variable frequency grounding resistance tester can be prevented from being damaged, the collision stress of the tester body 13 is reduced, the separation between the protective cover 2 and the box body 1 can be prevented through the magnetic strip 20 and the magnetic clamping groove 19, the tester body 13 is prevented from being damaged by external collision, and the hand-pulled groove 18 is arranged, so that a stress point can be provided for the separation between the protective cover 2 and the box body 1, and the separation between the protective cover 2 and the box body 1 are convenient.

In the utility model, preferably, two hinges 15 are arranged, two sides of the two hinges 15 are fixedly connected with two sides of the back of the box body 1 and the protective cover 2, the protective cover 2 is hinged with the box body 1 through the hinges 15, four supporting legs 5 are arranged, the four supporting legs 5 are fixedly connected with the periphery of the bottom of the box body 1, the bottoms of the four supporting legs 5 are fixedly connected with the anti-slip pad 7, the supporting stabilization effect can be provided for the protective cover 2 and the box body 1 through the hinges 15, the opening and closing between the protective cover 2 and the box body 1 are convenient, the bottom of the box body 1 can be prevented from being directly contacted with the ground through the supporting legs 5, and the sliding of the supporting legs 5 during placement can be prevented from being caused, so that the damage of the tester body 13 is avoided.

The working principle and the using flow of the utility model are as follows: when in use, the portable fence 3 is arranged, the frequency conversion grounding resistance tester can be conveniently carried, the rotary round shaft 9 is arranged, the portable fence 3 can be conveniently used for providing a supporting effect for the rotation of the portable fence 3, the portable fence 3 can be conveniently used for moving the position of the box body 1, the round stop block 10 is arranged, the portable fence 3 can be prevented from being separated from the outer side surface of the rotary round shaft 9, the supporting leg 5 is arranged, the bottom of the box body 1 can be prevented from being directly contacted with the ground, the supporting leg 5 can be prevented from sliding when being placed by the anti-skid pad 7, the damage of the tester body 13 is caused, the frequency conversion grounding resistance tester can be prevented from being damaged by the anti-skid cotton 14, the collision stress of the tester body 13 is reduced, the separation between the protection cover 2 and the box body 1 can be prevented by the magnetic bar block 20 and the magnetic clamping groove 19, the tester body 13 is damaged by external collision, a stress point can be provided for the separation between the protective cover 2 and the box body 1 by the aid of the hand-pull groove 18, the protective cover 2 and the box body 1 can be separated conveniently, a supporting and stabilizing effect can be provided for the protective cover 2 and the box body 1 by the aid of the hinge 15, the protective cover 2 and the box body 1 can be opened and closed conveniently, the variable frequency grounding resistance tester can be conveniently used for adjusting the middle height by the aid of the telescopic spring 6, any height can be conveniently adjusted by the aid of elastic force, the periphery of the tester body 13 can be blocked and fixed by the aid of the return-type stop blocks 17, the variable frequency grounding resistance tester is prevented from contacting the periphery inside the box body 1, the tester body 13 is damaged by the aid of the support plate 16, a placing space can be provided for the tester body 13 by the aid of the fixing grooves 11, can avoid extension spring 6 bottom to slide, lead to the slope of backup pad 16, cause the damage to frequency conversion ground resistance tester, through being provided with first recess 12 and second recess 21, can provide the block space for fixed baffle 8, through being provided with fixed baffle 8, can block for the telescopic distance of extension spring 6, make the height maintenance of extension spring 6 stable, through being provided with hexagonal stop 4, can be convenient for pull fixed baffle 8 at any time, and avoid fixed baffle 8 directly entering box 1 inside.

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

Claims

1. The utility model provides a frequency conversion ground resistance tester, includes box (1) and protective cover (2), its characterized in that: the utility model discloses a test device, which is characterized in that a telescopic spring (6) and a fixed groove (11) are respectively arranged at the bottom of the inside of a box body (1), one end of the telescopic spring (6) is arranged at the bottom of a supporting plate (16), a return-type stop block (17) is arranged on the peripheral surface of the upper end of the supporting plate (16), a tester body (13) is arranged on the middle surface of the upper end of the supporting plate (16), first grooves (12) are respectively arranged at the middle parts of two sides of the fixed groove (11), second grooves (21) are respectively arranged at the middle parts of two sides of the box body (1), a fixed baffle plate (8) is respectively arranged inside the first grooves (12) and the second grooves (21), the middle part of one side of the fixed baffle plate (8) is provided with a hexagonal baffle block (4), the upper parts of two sides of the box body (1) are respectively provided with a rotary round shaft (9), one end of each rotary round shaft (9) is provided with a round baffle block (10), the outer side surface of each rotary round shaft (9) is arranged at one end of the corresponding portable fence (3), the front end of the top of the box body (1) is provided with a magnetic strip block (20), the periphery of the bottom of the box body (1) is provided with supporting legs (5), the bottoms of the supporting legs (5) are provided with anti-slip pads (7), the inner side surface of the protective cover (2) is provided with anti-collision cotton (14), one side of the protective cover (2) is provided with a hand-pulling groove (18), the front end of the bottom of the protective cover (2) is provided with a magnetic clamping groove (19), and both sides of the back of the box body (1) and the protective cover (2) are provided with hinges (15).

2. The variable frequency ground resistance tester according to claim 1, wherein: one end of the telescopic spring (6) is fixedly connected with the bottom inside the box body (1), the other end of the telescopic spring (6) is fixedly connected with the bottom of the supporting plate (16), the fixing groove (11) is fixedly connected with the bottom inside the box body (1), and the telescopic spring (6) is arranged inside the fixing groove (11).

3. The variable frequency ground resistance tester according to claim 1, wherein: the back-shaped stop block (17) is fixedly connected with the peripheral surface of the upper end of the supporting plate (16), and the tester body (13) is placed on the middle surface of the upper end of the supporting plate (16).

4. The variable frequency ground resistance tester according to claim 1, wherein: the two first grooves (12) and the two second grooves (21) are respectively arranged, the two first grooves (12) are respectively fixedly connected with the middle parts of the two sides of the fixed groove (11), and the two second grooves (21) are respectively fixedly connected with the middle parts of the two sides of the box body (1).

5. The variable frequency ground resistance tester according to claim 1, wherein: the fixed baffle plates (8) are arranged in two, one side of each fixed baffle plate (8) is fixedly connected with the hexagonal baffle block (4), and the two fixed baffle plates (8) are connected with the box body (1) and the telescopic spring (6) in a clamping mode through the first groove (12) and the second groove (21).

6. The variable frequency ground resistance tester according to claim 1, wherein: the utility model discloses a portable electronic device is characterized in that two rotary round shafts (9) are arranged, two rotary round shafts (9) are fixedly connected with the upper parts of two sides of a box body (1), one ends of the rotary round shafts (9) are fixedly connected with round stop blocks (10), and the outer side surfaces of the rotary round shafts (9) are rotatably connected with two ends of a portable fence (3).

7. The variable frequency ground resistance tester according to claim 1, wherein: the anti-collision device is characterized in that the magnetic strip block (20) is fixedly connected with the front end of the top of the box body (1), the magnetic clamping groove (19) is fixedly connected with the front end of the bottom of the protective cover (2), the box body (1) is in adsorption connection with the protective cover (2) through the magnetic strip block (20) and the magnetic clamping groove (19), the anti-collision cotton (14) is fixedly connected with the inner side surface of the protective cover (2), and the hand pulling groove (18) is fixedly connected with one side of the protective cover (2).

8. The variable frequency ground resistance tester according to claim 1, wherein: the utility model discloses a novel anti-skid device, including box (1), protection lid, landing leg (5), hinge (15) are provided with two, two hinge (15) both sides all with box (1) and protection lid (2) back both sides fixed connection, protection lid (2) are articulated with box (1) through hinge (15), landing leg (5) are provided with four, four landing leg (5) all with box (1) bottom fixed connection all around, four landing leg (5) bottom all with slipmat (7) fixed connection.