CN212965219U

CN212965219U - Cable transmission performance's check out test set

Info

Publication number: CN212965219U
Application number: CN202021864930.9U
Authority: CN
Inventors: 王如鑫; 王洪庆; 张茉
Original assignee: Tianjin Haiyan Juanjia Cable Co ltd
Current assignee: Tianjin Haiyan Juanjia Cable Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-13
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a detection device for cable transmission performance, which comprises a cable conductor, a resistance tester, a negative electrode jointing clamp and a positive electrode jointing clamp, wherein the surface of the resistance tester is provided with a positive electrode wiring knob and a negative electrode wiring knob, the surface of the positive wiring knob is connected with a positive lead, the surface of the positive lead is communicated with a protective tube, and the tops of the negative pole binding clip and the positive pole binding clip are both provided with binding posts, one end of the positive pole lead is connected with the positive pole binding clip through the binding post, the surface of the negative wiring knob is connected with a negative lead, one end of the negative lead is fixedly connected with a negative wiring clamp through a wiring terminal, the surface of the resistance tester is communicated with a signal transmission line, and the signal transmission line is connected in series with a small printer, and a cable is clamped between the negative electrode binding clip and the positive electrode binding clip. In a word, the technical scheme of the application has the advantages of high safety, simplicity in operation, low error and high vertical contrast.

Description

Cable transmission performance's check out test set

Technical Field

The utility model relates to a check out test set technical field specifically is a check out test set of cable transmission performance.

Background

The attenuation of the signal is in direct proportion to the length of the cable, the longer the cable, the greater the attenuation, which is the physical law of the cable, the length of the cable is generally marked by feet or meters, the audio and video signals can cause the attenuation of the signal through the long-distance cable, the influence on the final effect is reflected in the reduction of signal-to-noise ratio, the reduction of brightness, the blurring of images and poor synchronization, the obvious differences are also the basis for comparing the quality of the cable (different attenuation of the cable with the same signal transmitted by the unit length), the capacitive reactance of the frequency cable and the wire material determine the range of the frequency of the transmitted signal, in the proper transmission distance, the impedance is one of important parameters for describing the technical specification of the cable, a base line is established for the correct flow of the signal, the flow of the signal maintains the power conversion of the whole system, imagines that water flows through a water pipe with large caliber, as long as, the structure and flow of the water flow are not changed, and when the water flow is introduced into a water pipe with a small opening, the conditions are changed: due to the existence of the bottleneck, the structure of the water flow is disturbed, all the water flow cannot pass through the bottleneck at the same time, so that part of the water flow flows in the opposite direction, and finally the water flow is guided into the water flow again by the main flow, and the electric conductivity of the cable is different along with the length of the cable and the material of the cable.

In summary, if a cable needs to be erected on a certain line, a certain batch of cables need to be subjected to resistance testing, and the conventional cable detection equipment has the following disadvantages:

firstly, the method comprises the following steps: the traditional cable detection equipment is complex in operation, low in contrast and large in error;

II, secondly: the traditional cable detection equipment is always high in potential safety hazard and high in danger;

it is therefore desirable to provide a new type of cable transmission performance detection device.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a cable transmission performance's check out test set has solved traditional cable check out test set operation complicacy, and the contrast is lower, and the error is great and the lower problem of security.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a detection device for cable transmission performance comprises a cable, a resistance tester, a negative terminal clamp and a positive terminal clamp, wherein the surface of the resistance tester is provided with a positive terminal knob and a negative terminal knob, the surface of the positive wiring knob is connected with a positive lead, the surface of the positive lead is communicated with a protective tube, binding posts are arranged at the tops of the negative pole binding clip and the positive pole binding clip, one end of the positive pole lead is connected with the positive pole binding clip through the binding post, the surface of the negative pole binding knob is connected with the negative pole lead, and a negative electrode lead) is connected in series with a switch, one end of the negative electrode lead is fixedly connected with a negative electrode binding clip through a binding post, the surface of the resistance tester is communicated with a signal transmission line, and the signal transmission line is connected in series with a small printer, and a cable is clamped between the negative electrode binding clip and the positive electrode binding clip.

Preferably, a protection box is installed outside the resistance tester, and a box cover is arranged on the top of the protection box.

Preferably, the negative electrode jointing clamp and the positive electrode jointing clamp are identical in structure, and insulating sleeves are arranged on the surfaces of the negative electrode jointing clamp and the positive electrode jointing clamp respectively.

Preferably, clamping teeth are arranged at the clamping openings of the negative pole jointing clamp and the positive pole jointing clamp.

Preferably, the fuse tube is internally provided with a series fuse.

Preferably, the protective box and the box cover are both made of fireproof inorganic non-metallic materials.

Advantageous effects

The utility model provides a cable transmission performance's check out test set. Compared with the prior art, the method has the following beneficial effects:

1: this detection equipment of cable transmission performance has the guard box through the externally mounted at resistance tester to the top of guard box is provided with the case lid, and guard box and case lid material are the inorganic non-metallic material of fire prevention, and the setting of deuterogamy protective tube can effectively prevent the short circuit or lead to the emergence of dangerous situation because of the electric current is too big, makes this equipment possess fine security.

2: this detection equipment of cable transmission performance through being provided with two binding clips, convenient operation when inserting different cable conductors to this equipment connection has the printer, can print out the structure of many times vertical detection and carry out contrastive analysis, because resistance tester's accuracy is very high, and the error of whole equipment is very low can be ignored.

In a word, the technical scheme of the application has the advantages of high safety, simplicity in operation, low error and high vertical contrast.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the structural connection between the positive and negative electrode jointing clamps of the present invention;

FIG. 3 is a schematic view of the structural connection of the fuse of the present invention

In the figure: 1. a cable wire; 2. a fuse tube; 3. a positive electrode lead; 301. a negative electrode lead; 4. a protection box; 5. a box cover; 6. a positive wiring knob; 7. a negative wiring knob; 8. a resistance tester; 9. a signal transmission line; 10. a compact printer; 11. a switch; 12. a binding post; 13. a negative electrode jointing clamp; 14. a positive binding clip; 15. an insulating sleeve; 16. clamping teeth; 17. and a fuse.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they 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.

Referring to fig. 1-3, the present invention provides a technical solution: a detection device for cable transmission performance comprises a cable 1, a resistance tester 8, a negative terminal clamp 13 and a positive terminal clamp 14, wherein the resistance tester 8 can be a UC2518 resistance tester with a USB interface and can be externally connected with the device, the measuring range is 1 mu omega-10M omega, the measuring range is very large, the precision is high, a positive terminal knob 6 and a negative terminal knob 7 are arranged on the surface of the resistance tester 8, the positive terminal knob 6 and the negative terminal knob 7 are used for conveniently connecting and disconnecting a lead 3, the surface of the positive terminal knob 6 is connected with a positive lead 3, the surface of the positive lead 3 is communicated with a protective tube 2, the protective tube 2 is connected in series to achieve the effect of protecting a circuit, once the circuit is short-circuited or the current is overlarge, the protective tube 2 can automatically disconnect the circuit, and the top parts of the negative terminal clamp 13 and the positive terminal clamp 14 are both provided with terminals 12, the one end of anodal wire 3 is passed through terminal 12 and is connected with anodal binding clip 14, the surface of negative pole wiring knob 7 is connected with negative pole wire 301, and the surface series connection of negative pole wire 301 has switch 11, the opening and shutting of whole circuit of switch 11 control, namely control check out test set's beginning and end, terminal 12 and negative pole binding clip 13 fixed connection are passed through to the one end of negative pole wire 301, resistance tester 8's surface has signal transmission line 9 through the USB interface intercommunication, and signal transmission line 9 establishes ties has small printer 10, small printer 10 can derive multiunit data and carry out the analysis, it is equipped with cable conductor 1 to press from both sides between negative pole binding clip 13 and the anodal binding clip 14, cable conductor 1 can set up different length and detect, also can set up the cable conductor 1 of different materials and detect, thereby reach the detection and analysis effect of perpendicular contrast.

Further, resistance tester 8's externally mounted has guard box 4 to the top of guard box 4 is provided with case lid 5, and the setting of guard box 4 and case lid 5 has protected resistance tester 8 on the one hand not receive the interference of external dust, and on the other hand prevents that the electric leakage from causing the emergence of the dangerous condition.

Further, the negative electrode jointing clamp 13 and the positive electrode jointing clamp 14 are identical in structure, and the surfaces of the negative electrode jointing clamp 13 and the positive electrode jointing clamp 14 are both provided with insulating sleeves 15.

Furthermore, clamping teeth 16 are arranged at the clamping openings of the negative pole jointing clamp 13 and the positive pole jointing clamp 14.

Furthermore, the fuse 17 is arranged in the fuse tube 2 in series, the main material of the fuse 17 is an alloy made of lead, antimony and tin, and the wire performance is better.

Furthermore, the protective box 4 and the box cover 5 are both made of fireproof inorganic non-metallic materials, and the inorganic non-metallic materials have the advantages of good fire resistance and good insulating property.

And those not described in detail in this specification are well within the skill of those in the art.

It should be noted that, in this document, 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.

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 detection equipment of cable transmission performance, includes cable conductor (1), resistance tester (8), negative pole binding clip (13) and positive pole binding clip (14), its characterized in that: the surface of the resistance tester (8) is provided with a positive wiring knob (6) and a negative wiring knob (7), the surface of the positive wiring knob (6) is connected with a positive wire (3), the surface of the positive wire (3) is communicated with a protective tube (2), the tops of a negative wiring clamp (13) and the positive wiring clamp (14) are both provided with a wiring terminal (12), one end of the positive wire (3) is connected with the positive wiring clamp (14) through the wiring terminal (12), the surface of the negative wiring knob (7) is connected with a negative wire (301), the surface of the negative wire (301) is connected in series with a switch (11), one end of the negative wire (301) is fixedly connected with the negative wiring clamp (13) through the wiring terminal (12), the surface of the resistance tester (8) is communicated with a signal transmission line (9), and the signal transmission line (9) is connected in series with a small printer (10), and a cable (1) is clamped between the negative electrode jointing clamp (13) and the positive electrode jointing clamp (14).

2. The apparatus for detecting the transmission performance of the cable according to claim 1, wherein: the external mounting of resistance tester (8) has guard box (4) to the top of guard box (4) is provided with case lid (5).

3. The apparatus for detecting the transmission performance of the cable according to claim 1, wherein: the structure of the negative pole binding clip (13) is the same as that of the positive pole binding clip (14), and the surfaces of the negative pole binding clip (13) and the positive pole binding clip (14) are provided with insulating sleeves (15).

4. The apparatus for detecting the transmission performance of the cable according to claim 1, wherein: clamping teeth (16) are arranged at the clamping openings of the negative pole jointing clamp (13) and the positive pole jointing clamp (14).

5. The apparatus for detecting the transmission performance of the cable according to claim 1, wherein: the fuse tube (2) is internally provided with a fuse (17) connected in series.

6. The apparatus for detecting the transmission performance of the cable according to claim 2, wherein: the protective box (4) and the box cover (5) are both made of fireproof inorganic non-metallic materials.