CN214895410U - Multi-parameter detection clamp for coiled cable - Google Patents
Multi-parameter detection clamp for coiled cable Download PDFInfo
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- CN214895410U CN214895410U CN202120359422.3U CN202120359422U CN214895410U CN 214895410 U CN214895410 U CN 214895410U CN 202120359422 U CN202120359422 U CN 202120359422U CN 214895410 U CN214895410 U CN 214895410U
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Abstract
The utility model relates to a become dish cable parameter detection area especially relates to a become dish cable multi-parameter detection and press from both sides, include: the detection device comprises a detection main body, a detection sensor and a detection module, wherein a through groove is formed in the detection main body, the detection main body is sleeved at the end part of a cable, and the cable penetrates through the through groove; the clamping assembly is fixedly arranged on the detection main body and clamps and fixes the detection main body on the cable; the clamping assembly comprises two detection probes made of metal, one ends of the two detection probes, which are close to the cable, pierce the outer sheath of the cable to be in contact with the cable core, and the other ends of the two detection probes are connected with the detection circuit. The utility model discloses in, the test probe is the metal material, punctures cable oversheath and cable core contact in the one end that is close to the cable, and the other end is connected with detection circuitry to detect cable multi-parameter, like cable length, cable resistance, cable resistivity and cable sectional area etc. need not the intercepting cable or will become a set cable expansion, realize carrying out quick multi-parameter detection on the spot, form effectual one set cable quality record and feedback.
Description
Technical Field
The utility model relates to a become dish cable parameter detection area especially relates to a become dish cable multi-parameter detection and press from both sides.
Background
With the rapid advance of urbanization in China, the demand of power cables is rapidly increased year by year. Reliable operation of power cables has a significant impact on the normal life and the socioeconomic development of people. The cable manufacturing process is relatively simple, the entrance requirement of a cable supplier is low, the number of suppliers is large, but some suppliers have the problems of poor quality control, products which are not up to the standard and the like, so that the phenomena of seriously small conductor section, unqualified conductor resistance and length and the like of the cable entering the network occur. In recent years, therefore, countries have begun to focus on the quality of cables.
At present, the parameter test of the cable mainly takes sampling detection as a main part, a cable sample is intercepted from a coiled cable, and the detection of resistance, sectional area and the like is carried out. The detection scheme can not detect the parameters of the whole coiled cable, is difficult to commonly detect all coiled cables, can not realize the on-site detection of the cables, has great limitation and causes the cable suppliers to have good luck psychology on the net entry of poor-quality cables.
In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is engaged with the application of theory to actively make research and innovation, so as to create a coiled cable multi-parameter detection clamp, which is more practical.
SUMMERY OF THE UTILITY MODEL
The utility model provides a become dish cable multi-parameter detection and press from both sides to effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a coiled cable multi-parameter detection clamp comprises:
the detection device comprises a detection main body, a detection sensor and a detection module, wherein a through groove is formed in the detection main body, the detection main body is sleeved at the end part of a cable, and the cable penetrates through the through groove;
the clamping assembly is fixedly arranged on the detection main body and clamps and fixes the detection main body on the cable;
the clamping assembly comprises two detection probes, the two detection probes are made of metal materials, one ends of the detection probes, close to the cables, penetrate through the outer sheaths of the cables to be in contact with the cable cores, and the other ends of the detection probes are connected with the detection circuit.
Furthermore, the two detection probes are oppositely arranged at two ends of the detection main body.
Furthermore, the clamping assembly comprises two threaded holes, the two threaded holes are fixedly formed in the two ends of the detection main body, threads are formed in the two detection probes, the detection probes are matched with the threads, the positions of the detection probes on the detection main body are changed by rotating the detection probes, the distance between the two detection probes is reduced, and the cable is clamped and penetrates the outer sheath of the cable.
Furthermore, a connecting hole is formed in one end, far away from the cable, of the detection probe, and terminals at two ends of the detection circuit are inserted into the connecting hole to connect the detection probe with the detection circuit.
Furthermore, a power-assisted knob is arranged on the detection probe and is arranged at one end far away from the cable.
Furthermore, the through groove is arranged at two ends provided with the detection probes, wherein one end of the through groove is larger than the other end of the through groove, and two inclined planes are arranged at two ends of the through groove, which are perpendicular to the two probes.
Furthermore, the two ends of the through groove, where the detection probe is arranged, are arc surfaces, the diameter of an arc at one end is larger than that of an arc at the other end, and the two inclined surfaces are tangent to the two arcs.
Further, the detection main body is made of plastic.
The utility model has the advantages that: the utility model discloses a set up and detect main part and centre gripping subassembly, the centre gripping subassembly includes two detection probe, detection probe is the metal material, puncture cable oversheath and the contact of cable core in the one end that is close to the cable, the other end is connected with detection circuitry, thereby detect cable multi-parameter, like cable length, cable resistance, cable resistivity and cable sectional area etc. it is convenient to detect, need not the intercepting cable or will become a set of cable expansion, realize carrying out quick multi-parameter detection on the spot, form effectual one set of cable quality record and feedback.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of another aspect of the present invention;
FIG. 3 is a schematic view of the clamp of the present invention when it is clamped at one end of a cable for testing;
fig. 4 is a schematic diagram of the clamping device of the present invention during the testing of the two ends of the cable.
Reference numerals: 1. detecting a subject; 11. a through groove; 2. a clamping assembly; 21. detecting the probe; 211. connecting holes; 212. a power-assisted knob; 22. a threaded bore.
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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 2: a coiled cable multi-parameter detection clamp comprises:
the detection device comprises a detection main body 1, wherein a through groove 11 is formed in the detection main body 1, the detection main body 1 is sleeved at the end of a cable, and the cable penetrates through the through groove 11;
the clamping assembly 2 is fixedly arranged on the detection main body 1, and clamps and fixes the detection main body 1 on the cable;
the clamping assembly 2 comprises two detection probes 21, the two detection probes 21 are made of metal materials, one ends of the two detection probes 21 close to the cable penetrate through the outer sheath of the cable to be in contact with the cable core, and the other ends of the two detection probes 21 are connected with a detection circuit.
Through setting up detection subject 1 and centre gripping subassembly 2, centre gripping subassembly 2 includes two detection probe 21, detection probe 21 is the metal material, puncture cable oversheath and the contact of cable core in the one end that is close to the cable, the other end is connected with detection circuitry, thereby detect cable multi-parameter, such as cable length, cable resistance, cable resistivity and cable sectional area etc. it is convenient to detect, need not the intercepting cable or will become a set cable expansion, realize carrying out quick multi-parameter detection on the spot, form effectual one set cable quality record and feedback.
Preferably, the two detection probes 21 are disposed at opposite ends of the detection body 1.
Through setting up two detecting probe 21 relatively at detection main part 1 both ends, can conveniently press from both sides tight fixedly to the cable, when also making things convenient for the measuring cable multi-parameter, more accurate calculation cable sectional area has increased the utility model discloses a practicality.
Preferably, the clamping assembly 2 includes two threaded holes 22, the two threaded holes 22 are fixedly disposed at two ends of the detecting main body 1, the two detecting probes 21 are provided with threads, the detecting probes 21 are matched with the threads, and by rotating the detecting probes 21, the position of the detecting probes 21 on the detecting main body 1 is changed, the distance between the two detecting probes 21 is reduced, the cable is clamped, and the outer sheath of the cable is punctured.
The threaded holes 22 are formed in the two ends of the detection main body 1, the threads are formed in the detection probes 21, and the positions of the detection probes 21 on the detection main body 1 can be changed by rotating the detection probes 21, so that the clamping and loosening functions are realized, the distance between the two detection probes 21 is reduced, a cable can be clamped and the outer sheath of the cable is punctured, the cable is contacted with a cable core, and the multi-parameter measurement of the cable is realized.
Preferably, the detection probe 21 is provided with a connection hole 211 at an end away from the cable, and both end terminals of the detection circuit are inserted into the connection hole 211 to connect the detection probe 21 to the detection circuit.
Be provided with the connecting block through the one end of keeping away from the cable at detecting probe 21, detecting circuit both ends terminal inserts connecting hole 211, is connected detecting probe 21 and detecting circuit, when measuring at the scene, only needs to fix detecting probe 21 to the cable and puncture the cable oversheath, inserts connecting hole 211 with detecting circuit both ends terminal again, can measure the cable, and easy operation convenient and fast has increased the utility model discloses a practicality and convenience.
Preferably, the power knob 212 is disposed on the detection probe 21, and the power knob 212 is disposed at an end far from the cable.
Through set up helping hand knob 212 on detecting probe 21, increase torque to when rotatory detecting probe 21 punctures the cable oversheath, can be comparatively laborsaving, save tester's physical power, increased the convenience in use.
In the above embodiment, the through groove 11 is preferably provided with two inclined surfaces at both ends perpendicular to the probes, wherein one end of the through groove 11 is larger than the other end of the through groove at both ends where the detection probes 21 are provided.
Through setting one end to be greater than the other end with lining up 11 both ends in groove, be provided with two inclined planes between the both ends, two inclined planes and two detection probe 21 combined action adapt to the cable of different diameter sizes, the better presss from both sides tightly the cable, has increased the utility model discloses a commonality and convenience in use.
In the above embodiment, the through groove 11 preferably has circular arc surfaces at both ends where the detection probe 21 is provided, wherein the circular arc diameter at one end is larger than the circular arc diameter at the other end, and the two inclined surfaces are tangent to the two circular arcs.
Set up to the arc surface through the both ends that will link up groove 11, two inclined planes are tangent with two circular arcs to when pressing from both sides tightly the cable, laminating cable surface that can be better, thereby better fixed has increased the utility model discloses a practicality.
In the above embodiment, the detection body 1 is preferably made of plastic.
Through setting up detection subject 1 to the plastics material, can weight reduction on the one hand, conveniently carry, on the other hand detection subject 1 is the insulator, and detection subject 1 can not cause the interference to detecting when the test, increases the accuracy of testing result.
As shown in fig. 3 to 4, the utility model discloses when using, to the detection of cable multi-parameter include:
detecting the length of the cable: adjusting a detection probe, clamping a detection clamp at a first end of a cable, puncturing a cable outer sheath and electrically contacting with a cable core to be detected (contacting with a cable core metal shielding layer), applying a voltage pulse at the first end of the cable, recording the propagation time from the application of the voltage pulse to the return of a reflected pulse of the voltage pulse to the first end of the cable, and calculating to obtain the length of the cable by combining the propagation speed of the voltage pulse; the cable length was calculated using the following formula:
L=1/2（V×T），
where L denotes the cable length, V denotes the propagation speed of the voltage pulse and T denotes the propagation time.
Detecting the resistance of the cable: adjusting the detection probes to clamp the two detection clamps at two ends of the cable respectively, contacting one detection probe of the two detection clamps with a core of the cable to be detected, detecting the voltage of the cable at the two ends of the cable after the detection probes of the two detection clamps pass through the detection current of the cable, and calculating to obtain the resistance of the cable;
and (3) introducing detection current to the cable, detecting the resistance voltage at two ends of a standard resistor connected with the cable in series in the detection circuit, and calculating to obtain the cable resistance according to the resistance value of the standard resistor, the resistance voltage and the cable voltage.
Converting the cable resistance at the ambient temperature to obtain the cable resistance at the standard temperature, and outputting the cable resistance at the standard temperature;
the following formula is used for conversion:
Rt=Ra(T+tt)/(T+ta)，
where Rt is the cable resistance at standard temperature, Ra is the cable resistance at ambient temperature, T is the conversion coefficient, tt is the standard temperature, ta is the ambient temperature.
Detecting the sectional area of the cable: calculating the cable sectional area by adopting the following formula:
S=ρ(L/R)，
wherein S represents a cable sectional area, ρ represents a cable conductor resistivity, L represents a cable length, and R represents a cable resistance.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A coiled cable multi-parameter detection clamp is characterized by comprising:
the cable detection device comprises a detection main body (1), wherein a through groove (11) is formed in the detection main body (1), the detection main body (1) is sleeved at the end of a cable, and the cable penetrates through the through groove (11);
the clamping assembly (2) is fixedly arranged on the detection main body (1), and clamps and fixes the detection main body (1) on the cable;
the clamping assembly (2) comprises two detection probes (21), the two detection probes (21) are made of metal materials, one ends of the two detection probes (21) close to the cables penetrate through outer sheaths of the cables to be in contact with the cable cores, and the other ends of the two detection probes are connected with the detection circuit.
2. The multi-parameter test clamp for coiled cables according to claim 1, characterized in that two test probes (21) are oppositely arranged at two ends of the test body (1).
3. The multi-parameter detection clamp for coiled cables according to claim 2, wherein the clamping assembly (2) comprises two threaded holes (22), the two threaded holes (22) are fixedly arranged at two ends of the detection main body (1), the two detection probes (21) are provided with threads, the detection probes (21) are matched with the threads, and the positions of the detection probes (21) on the detection main body (1) are changed by rotating the detection probes (21), so that the distance between the two detection probes (21) is reduced, a cable is clamped, and an outer sheath of the cable is punctured.
4. The multi-parameter detection clamp for the coiled cable according to claim 3, wherein the detection probe (21) is provided with a connection hole (211) at one end far away from the cable, and terminals at two ends of a detection circuit are inserted into the connection hole (211) to connect the detection probe (21) with the detection circuit.
5. The multi-parameter test clamp for coiled cables according to claim 4, wherein a power-assisted knob (212) is arranged on the test probe (21), and the power-assisted knob (212) is arranged at an end far away from the cable.
6. The multi-parameter detection clamp for coiled cables according to claim 2, characterized in that the through slot (11) is provided with two inclined planes at two ends where the detection probes (21) are arranged, wherein one end is larger than the other end, and the through slot (11) is provided with two inclined planes at two ends perpendicular to the two probes.
7. The multi-parameter detection clamp for coiled cables as claimed in claim 6, wherein the through slot (11) is formed by circular arc surfaces at two ends where the detection probe (21) is arranged, wherein the diameter of the circular arc at one end is larger than that of the circular arc at the other end, and the two inclined surfaces are tangent to the two circular arc surfaces.
8. The multi-parameter detection clamp for coiled cables according to claim 1, characterized in that the detection body (1) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120359422.3U CN214895410U (en) | 2021-02-07 | 2021-02-07 | Multi-parameter detection clamp for coiled cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120359422.3U CN214895410U (en) | 2021-02-07 | 2021-02-07 | Multi-parameter detection clamp for coiled cable |
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| Publication Number | Publication Date |
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| CN214895410U true CN214895410U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120359422.3U Active CN214895410U (en) | 2021-02-07 | 2021-02-07 | Multi-parameter detection clamp for coiled cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624477A (en) * | 2022-03-03 | 2022-06-14 | 中国工程物理研究院流体物理研究所 | Flat cable skin breaking device, voltage measuring assembly and measuring method |
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2021
- 2021-02-07 CN CN202120359422.3U patent/CN214895410U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624477A (en) * | 2022-03-03 | 2022-06-14 | 中国工程物理研究院流体物理研究所 | Flat cable skin breaking device, voltage measuring assembly and measuring method |
| CN114624477B (en) * | 2022-03-03 | 2023-05-26 | 中国工程物理研究院流体物理研究所 | Flat cable skin breaking device, voltage measurement assembly and measurement method |
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