CN212410832U - A high-efficiency secondary cable digital pairing device - Google Patents
A high-efficiency secondary cable digital pairing device Download PDFInfo
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- CN212410832U CN212410832U CN202020895640.4U CN202020895640U CN212410832U CN 212410832 U CN212410832 U CN 212410832U CN 202020895640 U CN202020895640 U CN 202020895640U CN 212410832 U CN212410832 U CN 212410832U
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Abstract
本实用新型涉及一种高效型二次电缆数字对线器。所述高效型二次电缆数字对线器包括电阻组合装置、抗干扰电路、万用表；电阻组合装置通过被测电缆芯与抗干扰电路连接，抗干扰电路再与万用表连接。本实用新型在使用时：先把具有M根芯的被测电缆一端的每根芯均分别单独接在电阻组合装置的接口1到接口M，其中，M为小于等于N的正整数；再把被测电缆的另一端任意选择一根芯通过抗干扰电路与万用表连接；再看万用表的读数，如果读数为K，就代表与电阻组合装置上第K个接口对应连接的电缆线是一对线，K为小于等于N的正整数，本实用新型对线效益很高，可以大幅度缩短对线时间，降低对线工作量，大幅度提高工作效益。
The utility model relates to a high-efficiency secondary cable digital pairing device. The high-efficiency secondary cable digital pairing device includes a resistance combination device, an anti-interference circuit, and a multimeter; the resistance combination device is connected with the anti-interference circuit through the tested cable core, and the anti-interference circuit is connected with the multimeter. When the utility model is in use: first, each core of one end of the cable under test with M cores is separately connected to the interface 1 to the interface M of the resistance combination device, wherein M is a positive integer less than or equal to N; The other end of the cable under test can choose a core to connect to the multimeter through the anti-interference circuit; look at the reading of the multimeter, if the reading is K, it means that the cable corresponding to the K-th interface on the resistance combination device is a pair of lines , K is a positive integer less than or equal to N, the utility model has high alignment benefit, can greatly shorten alignment time, reduce alignment workload, and greatly improve work benefit.
Description
Technical Field
The utility model relates to a to the wire device field, especially relate to the low pressure system technical field of secondary circuit alignment such as power plant, electric power system, railway system, telecommunication system.
Background
In the construction stage of a transformer substation, a great number of secondary cables are needed, it is very difficult to clearly distinguish where each core is grounded, the current method is that one end is manually short-circuited to the ground, the other end measures the resistance to the ground, and when the ground is a passage, the measured short-circuited to the opposite side is the same cable core. The method needs at least 2 persons to carry out the alignment, and needs to be additionally connected to a short circuit to measure at one side, and needs the persons at two ends to contact with an interphone, so that the working efficiency is low. In order to improve the working efficiency, a device of the utility model is needed to improve the working efficiency;
according to the traditional alignment method, each core is taken out by a 100-core chip, the alignment can be carried out only 50000 times after the summary point is obtained, the working benefit is low, and the working strength of alignment is high. Therefore, the utility model discloses a very high to the line device of line benefit needs, and it can shorten to the line time by a wide margin, reduces to the line work load, increases substantially the working benefit.
Disclosure of Invention
In view of the above, the present invention is directed to solving the above-described problems. An object of the utility model is to provide a solve high-efficient type secondary cable digit line ware of above problem. Specifically, the utility model relates to a very high to line device to line benefit, it can shorten to the line time by a wide margin, reduces to the line work load, increases substantially the working benefit.
The utility model adopts the technical scheme that: a high-efficiency secondary cable digital line matching device comprises a resistance combination device 1, an anti-interference circuit 2 and a universal meter 3; the resistance combination device 1 is connected with an anti-interference circuit 2 through a cable core to be tested, and the anti-interference circuit 2 is connected with a universal meter 3;
the resistance combination device 1 comprises resistors R1, R2, R3 and R4 … … RN, wherein N is a positive integer smaller than 200, the resistors R1, R2, R3 and R4 … … RN are sequentially connected in series, a connecting line between the resistors R1 and R2 is connected with an interface 1, a connecting line between the resistors R2 and R3 is connected with an interface 2, a connecting line between the resistors R3 and R4 is connected with an interface 3, and the like, the connecting line between the resistors RN-1 and RN is connected with an interface N-1, the other end of the resistor R1 is grounded, the other end of the resistor RN is connected with an interface N, and the interfaces from the interface 1 to the interface N are all used for connecting a tested cable core.
Further, the anti-interference circuit 2 adopts a B3HB-3A finished product device.
Further, the multimeter 3 employs DT 830B.
Furthermore, the resistances of the resistors R1, R2, R3 and R4 … … RN are 1.39k omega, 1 k omega and 1 k omega … … 1 k omega in sequence.
The utility model has the advantages that: the utility model provides a very high-efficient type secondary cable digit is to line ware to line benefit, the utility model discloses can shorten the line time by a wide margin, reduce to line work load, increase substantially work benefit.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. To those skilled in the art, other figures may be derived from these figures without inventive effort.
Fig. 1 exemplarily shows a circuit schematic diagram of the high-efficiency secondary cable digital line aligner of the present invention.
The reference numbers in the figures: 1-resistance combination device, 2-anti-interference circuit, 3-multimeter.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The following combines the figure, carries out detailed description according to the utility model provides a high-efficient type secondary cable digit line ware.
Example 1: as shown in fig. 1, a high-efficiency secondary cable digital line matching device comprises a resistance combination device 1, an anti-interference circuit 2 and a multimeter 3; the resistance combination device 1 is connected with an anti-interference circuit 2 through a cable core to be tested, and the anti-interference circuit 2 is connected with a universal meter 3;
the resistance combination device 1 comprises resistors R1, R2, R3 and R4 … … R199, wherein the resistors R1, R2, R3 and R4 … … R199 are sequentially connected in series, a connecting line between the resistors R1 and R2 is connected with an interface 1, a connecting line between the resistors R2 and R3 is connected with an interface 2, a connecting line between the resistors R3 and R4 is connected with an interface 3, and the like, the connecting line between the resistors R198 and R199 is connected with an interface 198, the other end of the resistor R1 is grounded, the other end of the resistor R199 is connected with the interface 199, and the interfaces from the interface 1 to the interface 199 are all used for connecting a tested cable core.
Further, the anti-interference circuit 2 adopts a B3HB-3A finished product device.
Further, the multimeter 3 employs DT 830B.
Furthermore, the resistances of the resistors R1, R2, R3 and R4 … … R199 are 1.39k Ω, 1 k Ω and 1 k Ω … … 1 k Ω respectively.
The use steps of the efficient secondary cable digital wire aligner for aligning the wires are as follows:
firstly, each core at one end of a tested cable with 100 cores is separately connected to an interface 1 to an interface 100 of a resistor combination device 1;
step two, randomly selecting one core at the other end of the tested cable to be connected with a universal meter 3 through an anti-interference circuit 2;
and step three, reading the reading of the multimeter 3, if the reading is K, it represents that the cable correspondingly connected with the Kth interface on the resistance combination device 1 is a pair of wires, and K is a positive integer less than or equal to 199.
For example, if the reading is 001, it represents that the cable line connected to the 1 st interface of the resistance combination device 1 is a pair of lines, and if the reading is 50, it represents that the cable line connected to the 50 th interface of the resistance combination device 1 is a pair of lines.
The following connection modes can be adopted in specific application:
one end of the cable is connected with the resistance combination device 1, and the other end of the cable is connected with the universal meter 3 through the anti-interference circuit 2; the method comprises the steps of inserting an interface 1, an interface 2 and an interface 3 of a resistor combination device 1 into a corresponding terminal on a terminal row (a secondary cable is connected to the terminal row), connecting the other end of a resistor R1 to a grounding network, connecting the other end of the cable with an anti-interference circuit 2 to a universal meter 3, grounding a 0 wire of the anti-interference circuit 2, displaying 001 by the universal meter 3 if the interface 1 wire is connected to a cable core A, and displaying 005 by the universal meter 3 if the interface 5 wire is connected to a cable core E.
The multimeter 3 adopts DT830B, and the multimeter needs to debug 2000k omega gear, and the precision should be adjusted to be within 0.2%.
According to the traditional wire aligning method, each core is taken out by a 100-core chip, the summary point can be aligned out 50000 times, after the wire aligning device is used, 100 cable cores can be completely and accurately checked out by only 100 times of wire alignment, the wire aligning time is shortened by about 70%, and the working efficiency is greatly improved.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be 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 term "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion, such that an 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 article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020895640.4U CN212410832U (en) | 2020-05-25 | 2020-05-25 | A high-efficiency secondary cable digital pairing device |
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| CN202020895640.4U CN212410832U (en) | 2020-05-25 | 2020-05-25 | A high-efficiency secondary cable digital pairing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111580014A (en) * | 2020-05-25 | 2020-08-25 | 云南电网有限责任公司玉溪供电局 | A high-efficiency secondary cable digital pairing device and its pairing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111580014A (en) * | 2020-05-25 | 2020-08-25 | 云南电网有限责任公司玉溪供电局 | A high-efficiency secondary cable digital pairing device and its pairing method |
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