CN211741420U - Handheld loop resistance tester - Google Patents
Handheld loop resistance tester Download PDFInfo
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- CN211741420U CN211741420U CN201922494312.3U CN201922494312U CN211741420U CN 211741420 U CN211741420 U CN 211741420U CN 201922494312 U CN201922494312 U CN 201922494312U CN 211741420 U CN211741420 U CN 211741420U
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- loop resistance
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- 238000012360 testing method Methods 0.000 claims abstract description 110
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- 238000013522 software testing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a hand-held loop resistance tester, which comprises a tester body, wherein the upper end part of the tester body is provided with a display screen, the lower end part of the tester body is provided with an operation panel, the operation panel is provided with a test and stop button, a power supply button, a setting button, a time length button, a data button, a return button, an upper sliding button and a lower sliding button, the top of the tester body is provided with a negative current wiring terminal, a positive current wiring terminal, a negative voltage wiring terminal and a positive voltage wiring terminal, the inside of the tester body is provided with a test circuit board and a lithium battery, the test circuit board and the display screen are both connected with the lithium battery, the test circuit board is further connected with a test and stop button, a power button, a setting button, a duration button, a data button, a return button, an upward sliding button and a downward sliding button. The utility model discloses all integratively integrative with all testing device, more conveniently carry, it is very convenient when the test moreover, improve efficiency of software testing.
Description
Technical Field
The utility model relates to a return circuit resistance test field, in particular to handheld return circuit resistance tester.
Background
The loop resistance tester is a special instrument for measuring the contact resistance and the loop resistance of the switch control equipment, the current loop resistance tester is inconvenient to carry, the number of devices formed by the tester is large, and the test can be carried out after the connection of a plurality of devices, so that the test efficiency is not high.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, the object of the present invention is to provide a hand-held loop resistance tester, which is easy to carry and simple to test, and improves the testing efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a handheld return circuit resistance tester, includes the tester body, the upper end of tester body is provided with the display screen, the lower tip of tester body is provided with operating panel, last test and stop button, power button, the setting button, long time button, data button, the return button of being provided with of operating panel, go up slide button and gliding button, the top of tester body is provided with negative current terminal, positive current terminal, negative voltage terminal and positive voltage terminal, the inside of tester body is provided with test circuit board and lithium cell, test circuit board with the display screen all connects the lithium cell, test circuit board still connects test and stop button, power button, setting button, long time button, data button, return button, go up slide button and gliding button.
Preferably, among the handheld return circuit resistance tester, handheld return circuit resistance tester still includes the test wire, the test wire includes voltage test wire and electric current test wire, the voltage test wire is used for connecting negative voltage terminal and positive voltage terminal, the electric current test wire is used for connecting negative current terminal and positive current terminal.
Preferably, in the handheld loop resistance tester, two voltage test line plugs are arranged at one end of each voltage test line, and a voltage test line clamp is arranged at the other end of each voltage test line.
Preferably, in the handheld loop resistance tester, two current test line plugs are arranged at one end of each current test line, and a current test line clamp is arranged at the other end of each current test line.
Preferably, in the handheld loop resistance tester, a handle is arranged on one side of the tester body.
Preferably, in the handheld loop resistance tester, anti-skid threads are arranged on two side edges of the tester body.
Compared with the prior art, the hand-held loop resistance tester provided by the utility model comprises a tester body, the upper end part of the tester body is provided with a display screen, the lower end part of the tester body is provided with an operation panel, the operation panel is provided with a test and stop button, a power supply button, a setting button, a duration button, a data button, a return button, an upward sliding button and a downward sliding button, the top of the tester body is provided with a negative current wiring terminal, a positive current wiring terminal, a negative voltage wiring terminal and a positive voltage wiring terminal, the inside of the tester body is provided with a test circuit board and a lithium battery, the test circuit board and the display screen are both connected with the lithium battery, the test circuit board is further connected with a test and stop button, a power button, a setting button, a duration button, a data button, a return button, an upward sliding button and a downward sliding button. The utility model discloses all integratively integrative with all testing device, more conveniently carry, it is very convenient when the test moreover, improve efficiency of software testing.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a handheld loop resistance tester provided by the present invention;
fig. 2 is a schematic structural diagram of a preferred embodiment of the voltage testing line in the handheld loop resistance tester provided by the present invention;
fig. 3 is a schematic structural diagram of a preferred embodiment of the current testing line in the handheld loop resistance tester provided by the present invention.
Detailed Description
The utility model provides a handheld loop resistance tester, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
Referring to fig. 1, an embodiment of the present invention provides a handheld loop resistance tester, including a tester body 1, an upper end of the tester body 1 is provided with a display screen 11, a lower end of the tester body is provided with an operation panel 12, the operation panel 12 is provided with a test and stop button 121, a power button 122, a setting button 123, a time-length button 124, a data button 125, a return button 126, an upper slide button 127 and a lower slide button 128, a top of the tester body 1 is provided with a negative current terminal 3, a positive current terminal 4, a negative voltage terminal 5 and a positive voltage terminal 6, the tester body 1 is provided with a test circuit board (not shown in the figure) and a lithium battery (not shown in the figure) inside, the test circuit board and the display screen 11 are connected to the lithium battery, and the test circuit board is further connected to the test and stop button 121, A power button 122, a set button 123, a duration button 124, a data button 125, a return button 126, a slide up button 127, and a slide down button 128.
Specifically, when the test is carried out, the negative current terminal 3, the positive current terminal 4, the negative voltage terminal 5 and the positive voltage terminal 6 are connected with a sample to be tested, the power button 122 is then pressed, followed by the duration button, the test duration is selected, namely the duration of the power supply outputting the test current, the utility model can select the maximum 60 seconds output time, ensure the accuracy of the test data, after the test time is selected, the test and stop button 121 is pressed to start the test, the display screen displays the test progress and the test resistance value, the test can be stopped at any time by pressing the test and stop button 121 in the test process, the utility model can complete the test function only by one tester body, all the functions are integrated in one device, the portable test device is convenient to carry, saves cost, can select test time and has high test precision; in addition, data button 125 is used for the storage and calls test data, set up button 125 is used for carrying out the system clock setting, it is used for changing the system clock to go up button 127 and gliding button 128, it withdraws from to return button 126 is used for the save, test circuit board is used for realizing the function of each button, the self-power of resistance tester has been realized to the lithium cell, need not external power supply again, conveniently carries.
In a further embodiment, referring to fig. 2 and 3, the handheld loop resistance tester further includes a test line, the test line includes a voltage test line 7 and a current test line 8, the voltage test line 7 is used for connecting the negative voltage terminal 5 and the positive voltage terminal 6, the current test line 8 is used for connecting the negative current terminal 3 and the positive current terminal 4, and the voltage test line 7 and the current test line 8 are connected to a test object to be tested, so that the loop resistance of the test object can be tested.
With reference to fig. 2, two voltage testing line plugs 71 are disposed at one end of the voltage testing line 7, a voltage testing line clip 72 is disposed at the other end of the voltage testing line 7, the two voltage testing line plugs 71 are respectively inserted into the negative voltage terminal 5 and the positive voltage terminal 6, and the voltage testing line clip 72 is used for clipping a voltage port of the test object.
Referring to fig. 3, one end of the current test line 8 is provided with two current test line plugs 81, the other end of the current test line 8 is provided with a current test line clip 82, the two current test line plugs 81 are used for being inserted into the negative current terminal 3 and the positive current terminal 4, and the current test line clip 82 is used for clipping a current port of the test object.
With reference to fig. 1, a handle 9 is disposed on one side of the tester body 1, and the handle 9 is convenient for a tester to take and place.
Referring to fig. 1, anti-slip threads (not shown) are disposed on two sides of the tester body 1, and the anti-slip threads can prevent a tester from being damaged due to slipping of hands when the tester is used.
In summary, the hand-held loop resistance tester provided by the utility model comprises a tester body, the upper end part of the tester body is provided with a display screen, the lower end part of the tester body is provided with an operation panel, the operation panel is provided with a test and stop button, a power supply button, a setting button, a duration button, a data button, a return button, an upward sliding button and a downward sliding button, the top of the tester body is provided with a negative current wiring terminal, a positive current wiring terminal, a negative voltage wiring terminal and a positive voltage wiring terminal, the inside of the tester body is provided with a test circuit board and a lithium battery, the test circuit board and the display screen are both connected with the lithium battery, the test circuit board is further connected with a test and stop button, a power button, a setting button, a duration button, a data button, a return button, an upward sliding button and a downward sliding button. The utility model discloses all integratively integrative with all testing device, more conveniently carry, it is very convenient when the test moreover, improve efficiency of software testing.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (6)
1. A hand-held loop resistance tester is characterized by comprising a tester body, wherein the upper end part of the tester body is provided with a display screen, the lower end part of the tester body is provided with an operation panel, the operation panel is provided with a test and stop button, a power supply button, a setting button, a time length button, a data button, a return button, an upper sliding button and a lower sliding button, the top of the tester body is provided with a negative current wiring terminal, a positive current wiring terminal, a negative voltage wiring terminal and a positive voltage wiring terminal, the inside of the tester body is provided with a test circuit board and a lithium battery, the test circuit board and the display screen are both connected with the lithium battery, the test circuit board is further connected with a test and stop button, a power button, a setting button, a duration button, a data button, a return button, an upward sliding button and a downward sliding button.
2. The hand-held loop resistance tester of claim 1 further comprising test lines including a voltage test line for connecting the negative and positive voltage terminals and a current test line for connecting the negative and positive current terminals.
3. The hand-held loop resistance tester of claim 2 wherein one end of the voltage test wire is provided with two voltage test wire plugs and the other end of the voltage test wire is provided with a voltage test wire clip.
4. The hand-held loop resistance tester of claim 2 wherein one end of the current test wire is provided with two current test wire plugs and the other end of the current test wire is provided with a current test wire clip.
5. The hand-held loop resistance tester of claim 1 wherein a handle is provided on one side of the tester body.
6. The hand-held loop resistance tester of claim 1 wherein the tester body is provided with anti-slip threads on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922494312.3U CN211741420U (en) | 2019-12-31 | 2019-12-31 | Handheld loop resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922494312.3U CN211741420U (en) | 2019-12-31 | 2019-12-31 | Handheld loop resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211741420U true CN211741420U (en) | 2020-10-23 |
Family
ID=72867899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922494312.3U Active CN211741420U (en) | 2019-12-31 | 2019-12-31 | Handheld loop resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211741420U (en) |
-
2019
- 2019-12-31 CN CN201922494312.3U patent/CN211741420U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231126 Address after: 430000, 88-B2807 Guoguohuheng Road, Wuchang District, Wuhan City, Hubei Province Patentee after: Xu Jianhui Address before: 430000, No. 1, 2nd Floor, Building 5, Gezhouba Sun City, No. 40 Gaoxin Fourth Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN FENGGU ELECTRIC CO.,LTD. |