CN217689170U

CN217689170U - Handheld loop resistance tester

Info

Publication number: CN217689170U
Application number: CN202221384318.0U
Authority: CN
Inventors: 陈治中; 王翠萍
Original assignee: Wuhan Sansion Power Electric Co ltd
Current assignee: Wuhan Sansion Power Electric Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-10-28
Anticipated expiration: 2032-06-06

Abstract

The utility model relates to a handheld loop resistance tester, including the tester body, the positive upside of tester body inlays to establish and installs the display screen, the top fixed mounting of tester body has the terminal subassembly, the positive downside fixed mounting of tester body has the button, the left side fixedly connected with wrist strap of tester body, the bottom fixed mounting of tester body has the anti-drop structure. This hand-held loop resistance tester, through setting up the anti-drop structure, the left end of hanging the rope runs through solid fixed ring, detain through four son that set up, carry out the buckle with the box on hanging the rope and be connected, the box is detained with the son that the position is different and is connected, thereby can adjust the holistic length of rope according to user's demand, when improving the suitability, make the tester body safety and stability more when using, guarantee that the tester body freely uses at controllable within range, when both hands need leave the tester body, can also hang the both hands of liberating on the neck.

Description

Handheld loop resistance tester

Technical Field

The utility model relates to a resistance tester technical field specifically is a handheld return circuit resistance tester.

Background

The loop resistance tester is a special instrument for contact resistance and loop resistance of switch control equipment, the test current adopts 100A direct current recommended by national standard GB763, the loop resistance or the contact resistance can be directly tested and directly displayed under the condition of 100A, 200A, 300A, 400A, 500A or 600A current, and the instrument has accurate measurement and stable performance and is suitable for requirements of field high-voltage switch maintenance and loop resistance test of high-voltage switch factories of power and power supply departments.

Present return circuit resistance tester uses for the ease of carrying, has had ripe hand-held type return circuit resistance tester already, and this kind of return circuit resistance tester is small, uses the flexibility high, but also has certain defect, owing to be hand-held type, drops from the hand easily, inconvenient continuation hand-held resistance tester when the handheld use of other instruments of tester moreover, so proposed a hand-held circuit resistance tester and solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a handheld loop resistance tester possesses advantages such as anti-drop, has solved because hand-held type, comes off from the hand easily, inconvenient continuation handheld resistance tester's problem when the handheld use of other instruments of tester moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a handheld loop resistance tester comprises a tester body, wherein a display screen is embedded and mounted on the upper side of the front face of the tester body, a lug post assembly is fixedly mounted at the top of the tester body, a button is fixedly mounted on the lower side of the front face of the tester body, a wrist strap is fixedly connected to the left side of the tester body, and an anti-falling structure is fixedly mounted at the bottom of the tester body;

the anti-drop structure includes fixed block, solid fixed ring, hangs the rope, connects the rope, son detains and box, the bottom right side fixed mounting of tester body has the fixed block, the bottom left side fixed mounting of tester body has solid fixed ring, the left side fixedly connected with of fixed block hangs the rope, the right side fixedly connected with of fixed block connects the rope, the fixed surface mounting who connects the rope has the son to detain, the fixed surface mounting who hangs the rope has the box.

Further, the terminal subassembly includes positive current terminal, positive voltage terminal, negative voltage terminal and negative current terminal, the top left side of tester body is provided with positive current terminal, the top of tester body is provided with the positive voltage terminal that is located positive current terminal right side, the top of tester body is provided with the negative voltage terminal that is located positive voltage terminal right side, the top of tester body is provided with the negative current terminal that is located negative voltage terminal right side.

Further, the left end of hanging the rope passes solid fixed ring and is connected with the rope of being connected, it is the nylon rope to hang the rope, and hangs the width of rope and be two centimetres.

Further, the inside of tester body is provided with the lithium cell, the output of lithium cell is connected for the electricity with the input of display screen.

Further, hang the rope and carry out fixed connection with being connected the rope through son knot and box, the quantity that the son was detained is four, four the son is detained and is being connected the surface evenly distributed of rope.

Further, the left and right sides of tester body all is provided with anti-skidding line, the wrist strap is the rubber band.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this hand-held loop resistance tester, through setting up the anti-drop structure, the left end of hanging the rope runs through solid fixed ring, detain through four son that set up, carry out the buckle with the box on hanging the rope and be connected, the box is detained with the son that the position is different and is connected, thereby can adjust the holistic length of rope according to user's demand, when further improving the suitability, make the tester body safety and stability more when using, guarantee that the tester body freely uses at controllable within range, when both hands need leave the tester body, can also hang the both hands of liberating on the neck.

2. This hand-held loop resistance tester, through setting up the wrist strap, the wrist strap is the rubber band to and at the anti-skidding line of tester body left and right sides, can make tester's wrist laminate with the wrist strap more, increase the palm simultaneously and hold the power to whole tester, conveniently operate, improve the practicality of this equipment greatly, through setting up the lithium cell in tester body inside, can realize resistance tester's self-power, need not external power supply again, conveniently carry, can be suitable for multiple environment.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention.

In the figure: the tester comprises a tester body 1, a display screen 2, a lug post assembly 3, a positive current lug post 301, a positive voltage lug post 302, a negative voltage lug post 303, a negative current lug post 304, a button 4, a wrist strap 5, an anti-falling structure 6, a fixed block 601, a fixed ring 602, a hanging rope 603, a connecting rope 604, a sub buckle 605 and a female buckle 606.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a handheld loop resistance tester in this embodiment includes a tester body 1, a display screen 2 is embedded and installed on the upper side of the front surface of the tester body 1, the display screen 2 can display a test progress and a test resistance value, a test can be stopped at any time by pressing a stop button in a button 4 in a test process, a terminal assembly 3 is fixedly installed on the top of the tester body 1, the button 4 is fixedly installed on the lower side of the front surface of the tester body 1, the display screen 2 is communicated with the button 4 through a lithium battery, then the functions of the tester body 1 can be completed through the terminal assembly 3 and a corresponding wire or device, a wrist strap 5 is fixedly connected to the left side of the tester body 1, so that the tester body 1 can be conveniently handled, and an anti-drop structure 6 is fixedly installed at the bottom of the tester body 1;

anti-drop structure 6 includes fixed block 601, gu fixed ring 602, hang rope 603, connect rope 604, son buckle 605 and box 606, the bottom right side fixed mounting of tester body 1 has fixed block 601, be used for fixed connection to hang rope 603, the bottom left side fixed mounting of tester body 1 has solid fixed ring 602, can be so that hang rope 603 wear to pass through with connecting rope 604 and be connected fixedly through the son and mother buckle, rope 603 is hung to the left side fixedly connected with of fixed block 601, the right side fixedly connected with of fixed block 601 connects rope 604, the outer fixed surface of connecting rope 604 installs son buckle 605, the outer fixed surface of hanging rope 603 installs box 606, buckle 605 and box 606 buckle through son, and then can be connected hanging rope 603 and connecting rope 604, hang tester body 1 on user's neck.

When in implementation, the method comprises the following steps:

1) Firstly, the left end of the hanging rope 603 penetrates through the fixing ring 602;

2) Then, selecting a proper sub-buckle 605 to enable the female buckle on the hanging rope 603 to be connected with the buckle;

3) Finally, the hanging rope 603 and the connecting rope 604 are connected into a whole, so that the tester body 1 can be hung on the neck of a user.

To sum up, this hand-held loop resistance tester, through setting up anti-drop structure 6, hang the left end of rope 603 and run through solid fixed ring 602, through four son buttons 605 that set up, carry out the buckle with the box 606 that hangs on the rope 603 and be connected, the box 606 is connected with the son button 605 of position difference, thereby can adjust the holistic length of rope according to user's demand, when further improving the suitability, make tester body 1 safety and stability more when using, guarantee tester body 1 and freely use in controllable within range, when tester body 1 need be left to both hands, can also hang the release both hands on the neck.

And, through setting up wrist strap 5, wrist strap 5 is the rubber band, and the anti-skidding line in the 1 left and right sides of tester body, can make tester's wrist laminate with wrist strap 5 more, increase the power of grabbing of palm to whole tester simultaneously, conveniently operate, improve the practicality of this equipment greatly, through at the inside lithium cell that sets up of tester body 1, can realize resistance tester's self-power, need not external power supply again, conveniently carry, can be suitable for multiple environment, solved because handheld, drop from the hand easily, and inconvenient continuation handheld resistance tester's problem when other instruments of handheld use of tester.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a handheld return circuit resistance tester, includes tester body (1), its characterized in that: the anti-falling test instrument is characterized in that a display screen (2) is embedded and mounted on the upper side of the front face of the test instrument body (1), a post assembly (3) is fixedly mounted at the top of the test instrument body (1), a button (4) is fixedly mounted on the lower side of the front face of the test instrument body (1), a wrist strap (5) is fixedly connected to the left side of the test instrument body (1), and an anti-falling structure (6) is fixedly mounted at the bottom of the test instrument body (1);

anti-drop structure (6) include fixed block (601), solid fixed ring (602), hang rope (603), connect rope (604), son detain (605) and box (606), the bottom right side fixed mounting of tester body (1) has fixed block (601), the bottom left side fixed mounting of tester body (1) has solid fixed ring (602), the left side fixedly connected with of fixed block (601) hangs rope (603), the right side fixedly connected with of fixed block (601) connects rope (604), the outer fixed surface who connects rope (604) installs son detains (605), the outer fixed surface who hangs rope (603) installs box (606).

2. The hand-held loop resistance tester of claim 1, wherein: terminal subassembly (3) include positive current terminal (301), positive voltage terminal (302), negative voltage terminal (303) and negative current terminal (304), the top left side of tester body (1) is provided with positive current terminal (301), the top of tester body (1) is provided with positive voltage terminal (302) that are located positive current terminal (301) right side, the top of tester body (1) is provided with negative voltage terminal (303) that are located positive voltage terminal (302) right side, the top of tester body (1) is provided with negative current terminal (304) that are located negative voltage terminal (303) right side.

3. The hand-held loop resistance tester of claim 1, wherein: the left end of hanging rope (603) passes solid fixed ring (602) and is connected with being connected rope (604), hang rope (603) and be the nylon rope, and the width of hanging rope (603) is two centimetres.

4. The hand-held loop resistance tester of claim 1, wherein: the tester is characterized in that a lithium battery is arranged inside the tester body (1), and the output end of the lithium battery is electrically connected with the input end of the display screen (2).

5. The hand-held loop resistance tester of claim 1, wherein: the hanging rope (603) is fixedly connected with the connecting rope (604) through the sub buckles (605) and the female buckles (606), the number of the sub buckles (605) is four, and the four sub buckles (605) are uniformly distributed on the outer surface of the connecting rope (604).

6. The hand-held loop resistance tester of claim 1, wherein: the tester is characterized in that anti-skid grains are arranged on the left side and the right side of the tester body (1), and the wrist strap (5) is a rubber belt.