CN212723092U - Wire and cable conductor resistance measuring device - Google Patents
Wire and cable conductor resistance measuring device Download PDFInfo
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- CN212723092U CN212723092U CN202021330833.1U CN202021330833U CN212723092U CN 212723092 U CN212723092 U CN 212723092U CN 202021330833 U CN202021330833 U CN 202021330833U CN 212723092 U CN212723092 U CN 212723092U
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Abstract
The utility model relates to a wire and cable conductor resistance measuring device includes the top and the detection box body that is open structure around with, but be provided with a plurality of joint wire and cable's spiral cassette along length direction in the detection box body, be provided with the connector lug on the spiral cassette, it is provided with the temperature control switch to detect box body one side, still be provided with temperature sensor in the detection box body, the bottom is provided with low temperature generate heat temperature piece and refrigeration piece in the detection box body, still includes the thermostat, the thermostat is installed detect box body bottom. The temperature controller can realize that the temperature in the detection box body is heated to be constant temperature of 20 ℃ for resistance detection, and meanwhile, the diameter of the wire and the cable is measured by using electronic digital display outside micrometer installed on 4 spiral clamping seats in the detection box, and then the average value of the diameters is obtained; the error in the measuring process is reduced, the detection of the resistance value and the diameter is combined into a whole, and the test efficiency is improved.
Description
Technical Field
The utility model relates to a wire and cable detects technical field, concretely relates to wire and cable conductor resistance measurement device.
Background
In recent years, the number of electrical fires occurring nationwide accounts for more than half of the total number of fires, and among them, the electrical fire is often caused by the use of wires with unsatisfactory specifications when the wires are laid, the conductor resistance at 20 ℃ is an important inspection item for the quality inspection of the wires and cables in the quality inspection of the wires and cables, the direct current resistance of the wires and cables is required to be compared with the conductor resistance per kilometer according to the regulation of the national standard GB-T3048.4-2007, and the measured direct current resistance data of the wires and cables must be converted into the direct current resistance per kilometer at the temperature of 20 ℃. If the numerical value is less than the specified standard value, the wire and cable sample is a qualified product, otherwise, the wire and cable sample belongs to an unqualified product.
Under this detection condition, the following problems occur: when the resistance value is tested, when the environmental temperature is lower than or higher than 20 ℃, conversion is needed, the conversion process is more complicated, and errors and even errors are easily caused; and the electric wire and cable detects the project and is resistance value and diameter, and current equipment need separately detect two projects, makes the testing process become loaded down with trivial details, has reduced efficiency.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a can control the ambient temperature and carry out the electric wire and cable conductor resistance measuring device of the resistance value of test sample when 20 ℃, and can realize the detection of cable diameter simultaneously.
The utility model discloses a concrete technical scheme is:
the utility model provides a wire and cable conductor resistance measuring device, includes the top and the detection box body that is open structure around with, but be provided with a plurality of joint wire and cable's spiral cassette along length direction in the detection box body, be provided with the connector lug on the spiral cassette, it is provided with temperature control switch to detect box body one side, still be provided with temperature sensor in the detection box body, the bottom is provided with low temperature generate heat temperature piece and refrigeration piece in the detection box body, still includes the thermostat, the thermostat is installed detect box body bottom.
Further, preferably, a box cover is detachably mounted on the top of the detection box body.
Further, preferably, the number of the spiral clamping seats is 4 along the length direction.
Further, preferably, the device further comprises an electronic digital display outside micrometer, and the electronic digital display outside micrometer is arranged at the left end in the detection box body.
Further, preferably, the electronic digital display outside micrometer is mounted on the spiral clamping seat.
The utility model has the advantages that: the low-temperature heating temperature piece, the refrigerating piece, the temperature sensor and the temperature controller are arranged in the detection box body, so that the temperature in the detection box body can be controlled to be heated to be constant at 20 ℃, resistance detection is carried out, meanwhile, the diameters of the wires and the cables are measured by using electronic digital display outside micrometers arranged on 4 spiral clamping seats in the detection box, and then the average value of the diameters is obtained; the error in the measuring process is reduced, the detection of the resistance value and the diameter is combined into a whole, and the test efficiency is improved.
Drawings
Fig. 1 is a top view of the present invention with the cover removed.
Fig. 2 is a front view of the present invention.
Fig. 3 is the schematic view of the mounting structure of the clamping slider and the spiral rotating shaft of the present invention.
In the upper diagram: 1-detection box body, 2-box cover, 3-spiral card holder, 301-seat body, 302-clamping slide block, 303-spiral rotating shaft, 4-connector lug, 501-temperature control switch, 502-temperature sensor, 503-low temperature heating temperature sheet, 504-temperature controller, 505-refrigeration sheet and 6-electronic digital display outside micrometer.
Detailed Description
In order to make the technical problems and technical solutions solved by the present invention more clearly understood, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in figures 1 to 3, a wire and cable conductor resistance measuring device, be open structure's detection box body 1 including top and front and back, detect 1 top demountable installation of box body and have box cover 2, the demountable installation can adopt the buckle, forms such as threaded connection, the main objective is just that it is convenient to realize, quick dismouting, box cover 2 can play heat retaining effect to detecting 1 top of box body and front and back lid after with detecting 1 butt joint of box body, can set up the heat preservation in detecting box body 1 and box cover 2 simultaneously, if adopt the heat preservation material directly to paste.
But be provided with the spiral cassette 3 of a plurality of joint cables along length direction in the detection box body 1, in this embodiment, spiral cassette 3 is provided with 4 along length direction, spiral cassette 3 includes the pedestal 301 of being connected with 1 bottom of detection box body, relative slidable mounting has 2 chucking slider 302 on every pedestal 301, the inside rotation of pedestal 301 is provided with spiral pivot 303, rotate through spiral pivot 303 and drive 2 chucking slider 302 in opposite directions or the motion dorsad, this joint structure of moving is current structure commonly used, through the manual rotation control of people in this embodiment, also can be through installing step motor control spiral pivot 303's rotation additional.
All be provided with connector lug 4 on 4 spiral cassette 3, 4 first and resistance detection instrument wire connections of connector lug.
The electronic digital display outside micrometer 3 is arranged in the detection box body 1 and preferably arranged on the spiral clamping seat 3 4, the electronic digital display outside micrometer 3 is the prior art, the digital display micrometer meeting the GB/T20919 standard is preferably selected during purchase, and in the embodiment, the inventor preferably forms a two-key electronic digital display outside micrometer produced by the limited company of the measuring tool group.
Detect box body 1 one side and be provided with temperature control switch 501, still be provided with temperature sensor 502 in detecting box body 1, the bottom is provided with low temperature piece 503 and the refrigeration piece 505 that generates heat in detecting box body 1, still includes thermostat 504, and thermostat 504 installs detect box body 1 bottom.
The temperature sensor 502 is connected with the temperature controller 504, feeds the current temperature back to the temperature controller 504, the temperature controller 504 controls the low-temperature heating temperature piece 503 and the refrigerating piece 505 to work, the temperature control switch 501 is connected with the power supply, the temperature control switch 501 controls the on-off of the whole constant temperature system, the control logic is common constant temperature control, the temperature controller 504 controls the low-temperature heating temperature piece 503 to work when the temperature is lower than 20 ℃, and the temperature controller 504 controls the refrigerating piece 505 to work when the temperature is higher than 20 ℃.
The present invention has been described in detail with reference to the specific and preferred embodiments, but it should be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and any modifications, equivalents and the like made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (5)
1. The electric wire and cable conductor resistance measuring device is characterized by comprising a detection box body (1) with an open structure at the top and the front and the back, wherein a plurality of spiral clamping seats (3) capable of clamping cables are arranged in the detection box body (1) along the length direction, a connector lug (4) is arranged on each spiral clamping seat (3), a temperature control switch (501) is arranged on one side of the detection box body (1), a temperature sensor (502) is further arranged in the detection box body (1), a low-temperature heating temperature piece (503) and a refrigerating piece (505) are arranged at the bottom in the detection box body (1), and a temperature controller (504) is further arranged at the bottom of the detection box body (1).
2. A wire-cable conductor resistance measuring device according to claim 1, wherein: the top of the detection box body (1) is detachably provided with a box cover (2).
3. A wire-cable conductor resistance measuring device according to claim 1 or 2, wherein: the number of the spiral clamping seats (3) is 4 along the length direction.
4. A wire-cable conductor resistance measuring device according to claim 1, wherein: the device is characterized by further comprising an electronic digital display outside micrometer (6), wherein the electronic digital display outside micrometer (6) is arranged in the detection box body (1).
5. The electrical wire and cable conductor resistance measuring device according to claim 4, wherein: the electronic digital display outside micrometer (6) is arranged on the spiral clamping seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330833.1U CN212723092U (en) | 2020-07-09 | 2020-07-09 | Wire and cable conductor resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330833.1U CN212723092U (en) | 2020-07-09 | 2020-07-09 | Wire and cable conductor resistance measuring device |
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| Publication Number | Publication Date |
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| CN212723092U true CN212723092U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021330833.1U Active CN212723092U (en) | 2020-07-09 | 2020-07-09 | Wire and cable conductor resistance measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156213A (en) * | 2021-05-08 | 2021-07-23 | 无锡市计量测试院 | Conductor direct current resistance on-line measuring device and method |
| CN113238096A (en) * | 2021-04-29 | 2021-08-10 | 国网新疆电力有限公司电力科学研究院 | Wire and cable direct current resistance parameter measuring device |
-
2020
- 2020-07-09 CN CN202021330833.1U patent/CN212723092U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238096A (en) * | 2021-04-29 | 2021-08-10 | 国网新疆电力有限公司电力科学研究院 | Wire and cable direct current resistance parameter measuring device |
| CN113156213A (en) * | 2021-05-08 | 2021-07-23 | 无锡市计量测试院 | Conductor direct current resistance on-line measuring device and method |
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