CN203950000U - Simple and easy direct-connected twisted-pair feeder and coaxial cable tester - Google Patents

Abstract

The utility model relates to the technical field of cable testing instruments, which is a simple direct-connected twisted pair and coaxial cable tester, comprising a main tester and an auxiliary tester. The outer side of the main tester is fixed with a main RJ45 slot, a main BNC connector and main Q9 connector, the main RJ45 slot includes eight main twisted-pair terminal pins located inside the main tester, the two terminal pins of the main BNC connector are electrically connected with the two terminal pins of the main Q9 connector through wires And form two main coaxial nodes inside the main tester. The utility model has a reasonable and compact structure and is easy to use. By electrically connecting light-emitting diodes in the main tester and the auxiliary tester, the judgment of the on-off state of the twisted pair, the audio line and the coaxial line can be completed, and the structure is simple. The manufacturing cost is low, it is easy to configure in large quantities, and it can meet the detection requirements. It is small in size, easy to carry, easy to operate, easy to maintain, saves time and effort, and can improve the work efficiency of operation and maintenance personnel.

Description

Simple Direct Connect Twisted Pair and Coaxial Cable Tester

technical field

The utility model relates to the technical field of cable testing instruments, which is a simple and direct twisted pair and coaxial cable testing instrument.

Background technique

Cable is a general term for optical cables, wires and cables, etc. used for optical signal transmission items. Since cables are mainly used for signal transmission, there are certain requirements for their physical characteristics and electrical performance. Various tests need to be carried out during use to check whether its performance is normal and meets the requirements of use. The detection content generally includes open circuit short circuit, wiring error, insulation performance, withstand voltage performance, attenuation and crosstalk, etc. For the maintenance and debugging of communication and information equipment, its daily work is mainly the continuity test of STP/UTP (direct connection) twisted pair, coaxial cable, audio cable and other cables. However, the existing cable detection instruments usually integrate multiple functions, and many functions cannot be used, and the structure is complex, the cost is high, and it cannot be configured in large quantities, which will easily lead to resource constraints; it is large in size, inconvenient to carry, and cumbersome to operate , and a fault needs to be returned to the factory for processing, the maintenance cost is high, and it is easy to affect the work efficiency of the operation and maintenance personnel.

Contents of the invention

The utility model provides a simple direct-connected twisted-pair and coaxial cable tester, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problem that some functions of the existing multi-functional cable tester cannot be used. Moreover, the structure is complex, the cost is high, and it cannot be configured in large quantities, which will easily lead to resource constraints; it is large in size, inconvenient to carry, cumbersome to operate, and needs to be returned to the factory for processing in case of failure, high maintenance costs, and easily affects the work efficiency of operation and maintenance personnel.

The technical scheme of the utility model is realized through the following measures: a simple direct-connected twisted pair and coaxial cable tester, including a main tester and an auxiliary tester, and a main RJ45 slot is fixed on the outside of the main tester , the main BNC connector and the main Q9 connector, the main RJ45 slot includes eight main twisted-pair terminals located inside the main tester, and the two terminals of the main BNC connector are electrically connected with the two terminals of the main Q9 connector through wires Together and form two main coaxial nodes inside the main tester; the inside of the main tester is fixed with a switch, power supply, protection resistor and eight main light-emitting diodes distributed sequentially from top to bottom, and the trigger part of the switch is located on the main On the outside of the tester, there is a main light-transmitting window on the main tester corresponding to the light-emitting part of each main light-emitting diode; each main light-emitting diode includes a positive terminal and a negative terminal, and the positive terminals of the four main light-emitting diodes above are They are all connected in parallel through wires to form an upper node, and the negative ends of the four main light-emitting diodes located below are all connected in parallel through wires to form a lower node. There are power supplies, switches in series between the lower node and the upper node. and protection resistors, the negative terminals of the four main light-emitting diodes at the top and the positive terminals of the four main light-emitting diodes at the bottom are electrically connected with the eight main twisted-pair terminals in sequence, and the four main light-emitting diodes at the top Any one of the negative terminals and any one of the positive terminals of the four main light-emitting diodes located below are electrically connected to the two main coaxial nodes; the auxiliary tester is fixed with an auxiliary RJ45 slot and an auxiliary BNC connector. and the auxiliary Q9 connector, the auxiliary RJ45 slot includes eight auxiliary twisted-pair terminals located inside the auxiliary tester, the two terminals of the auxiliary BNC connector are electrically connected with the two terminals of the auxiliary Q9 connector through wires and Two auxiliary coaxial nodes are formed on the inner side of the auxiliary tester; eight auxiliary light-emitting diodes are fixed on the inner side of the auxiliary tester, and are distributed sequentially from top to bottom. light-transmitting window; each auxiliary light-emitting diode includes a positive terminal and a negative terminal, the negative terminals of the four auxiliary light-emitting diodes located above and the positive terminals of the four auxiliary light-emitting diodes located below are electrically connected together by wires, and the The positive terminals of the four auxiliary light-emitting diodes and the negative terminals of the four auxiliary light-emitting diodes located below are electrically connected to the eight auxiliary twisted-pair wiring pins in sequence, and any positive terminal of the four auxiliary light-emitting diodes located above Any negative terminal of any of the four auxiliary light-emitting diodes located below is electrically connected with two auxiliary coaxial nodes.

Below is the further optimization or/and improvement to above-mentioned utility model technical scheme:

The outer side of the above-mentioned main tester can also be fixed with a main RJ11 slot, and the main RJ11 slot includes two main audio connection pins; Any one of the positive ends of the tester is electrically connected to the two main audio terminals; the auxiliary RJ11 slot is also fixed on the outside of the auxiliary tester, and the auxiliary RJ11 slot includes two auxiliary audio terminals; Any positive end of the light emitting diode and any negative end of the four auxiliary light emitting diodes located below are electrically connected to the two auxiliary audio connection pins respectively.

The positive terminals or negative terminals of the two auxiliary light-emitting diodes corresponding to the positions of the two main light-emitting diodes electrically connected to the main coaxial node can be respectively electrically connected to the two auxiliary coaxial nodes in sequence; and The anode terminals or negative terminals of the two auxiliary light-emitting diodes corresponding to the positions of the two main light-emitting diodes electrically connected to the main audio connection pin are respectively electrically connected to the two auxiliary audio connection pins in sequence.

The positions of the above two main light emitting diodes electrically connected to the main audio wiring pin and the two main light emitting diodes electrically connected to the main coaxial node can be different; The positions of the two auxiliary light emitting diodes and the two auxiliary light emitting diodes electrically connected to the auxiliary coaxial node are different.

The order of the above two main light emitting diodes electrically connected to the main coaxial node from top to bottom can be the third and sixth respectively, and the two auxiliary light emitting diodes electrically connected to the auxiliary coaxial node The order of the diodes from top to bottom is the third and the sixth; the order of the two main light-emitting diodes that are electrically connected to the main audio connection pins is the fourth and the fifth from the top to the bottom. The order from top to bottom of the two auxiliary light-emitting diodes electrically connected together with the auxiliary audio connection pin is the fourth and fifth respectively.

The above-mentioned power supply can be a 9V stacked battery, and the main tester corresponding to the position of the power supply has a battery replacement window, and a removable battery back cover is installed on the battery replacement window.

A combination slide rail that can be disassembled and combined can be fixedly installed between the outside of the main tester and the outside of the auxiliary tester.

The utility model has a reasonable and compact structure and is easy to use. By electrically connecting light-emitting diodes in the main tester and the auxiliary tester, the judgment of the on-off state of the twisted pair, the audio line and the coaxial line can be completed, and the structure is simple. The manufacturing cost is low, it is easy to configure in large quantities, and it can meet the detection requirements. It is small in size, easy to carry, easy to operate, easy to maintain, saves time and effort, and can improve the work efficiency of operation and maintenance personnel.

Description of drawings

Accompanying drawing 1 is the schematic diagram of the front view of the preferred embodiment of the utility model.

Accompanying drawing 2 is the circuit connection diagram of accompanying drawing 1.

The codes in the drawings are: 1 is the main tester, 2 is the auxiliary tester, 3 is the main RJ45 slot, 4 is the main BNC connector, 5 is the main Q9 connector, 6 is the switch, 7 is the power supply, 8 is the protection Resistor, 9 is the main LED, 10 is the upper node, 11 is the lower node, 12 is the auxiliary RJ45 slot, 13 is the auxiliary BNC connector, 14 is the auxiliary Q9 connector, 15 is the auxiliary LED, 16 is the main RJ11 plug slot, 17 is an auxiliary RJ11 slot, and 18 is a combination slide rail.

Detailed ways

The utility model is not limited by the following examples, and the specific implementation manner can be determined according to the technical scheme of the utility model and actual conditions.

In this utility model, for the convenience of description, the description of the relative positional relationship of each component is described according to the layout method of Fig. The relationship is determined according to the layout direction of the drawings in the specification.

Below in conjunction with embodiment and accompanying drawing, the utility model is further described:

As shown in accompanying drawings 1 and 2, the simple direct-connected twisted pair and coaxial cable tester includes a main tester 1 and an auxiliary tester 2, and the outer side of the main tester 1 is fixed with a main RJ45 slot 3, a main BNC Connector 4 and main Q9 connector 5, the main RJ45 slot 3 includes eight main twisted-pair terminals located inside the main tester 1, the two terminals of the main BNC connector 4 respectively pass through the two terminals of the main Q9 connector 5 The wires are electrically connected together and form two main coaxial nodes inside the main tester 1; the inside of the main tester 1 is fixed with a switch 6, a power supply 7, a protection resistor 8 and eight main light emitting diodes distributed sequentially from top to bottom. Diode 9, the triggering part of switch 6 is located at the outside of main tester 1, and the main tester 1 corresponding to the light-emitting part of each main light-emitting diode 9 has a main light-transmitting window; each main light-emitting diode 9 includes a positive terminal and At the negative end, the positive ends of the four main light-emitting diodes 9 above are all connected in parallel through wires to form an upper node 10, and the negative ends of the four main light-emitting diodes 9 at the bottom are all connected in parallel through wires to form a lower junction Point 11, between the lower node 11 and the upper node 10, a power supply 7, a switch 6 and a protection resistor 8 are connected in series in sequence, the negative terminals of the four main light-emitting diodes 9 located above and the terminals of the four main light-emitting diodes 9 located below The positive end is electrically connected with the eight main twisted-pair wiring pins in sequence, any negative end of the four main light-emitting diodes 9 located above and any positive end of the four main light-emitting diodes 9 located below are respectively connected to Two main coaxial nodes are electrically connected together; the outside of the auxiliary tester 2 is fixed with auxiliary RJ45 slot 12, auxiliary BNC connector 13 and auxiliary Q9 connector 14, and auxiliary RJ45 slot 12 includes eight on the inside of the auxiliary tester. Auxiliary twisted-pair terminal pins, the two terminal pins of the auxiliary BNC connector 13 are electrically connected with the two terminal pins of the auxiliary Q9 connector 14 through wires and form two auxiliary coaxial nodes inside the auxiliary tester; the auxiliary tester There are eight auxiliary light-emitting diodes 15 distributed sequentially from top to bottom, and auxiliary light-transmitting windows are provided on the auxiliary tester corresponding to the light-emitting part of each auxiliary light-emitting diode 15; each auxiliary light-emitting diode 15 includes a positive terminal and negative terminals, the negative terminals of the four auxiliary light emitting diodes 15 located above and the positive terminals of the four auxiliary light emitting diodes 15 located below are electrically connected together by wires, the positive terminals of the four auxiliary light emitting diodes 15 located above and The negative terminals of the four auxiliary light-emitting diodes 15 located below are electrically connected to the eight auxiliary twisted-pair wiring pins in sequence, and the positive terminals of any one of the four auxiliary light-emitting diodes 15 located above are connected to the four auxiliary light-emitting diodes located below. Any negative terminal of the diode 15 is electrically connected to two auxiliary coaxial nodes respectively. Light-emitting diodes are referred to as LEDs for short. They are diodes made of compounds of gallium, arsenic, phosphorus, nitrogen, and indium. When electrons and holes recombine, they can radiate visible light, so they can be used to make light-emitting diodes. Usually used as an indicator light. When in use, insert the two ends of the cable under test into the corresponding main tester 1 and auxiliary tester 2 respectively, turn on the switch 6, and check the lighting conditions of all the main light-emitting diodes 9 and auxiliary light-emitting diodes 15 (light-emitting The situation includes two kinds of light-emitting state and non-light-emitting state) to judge the on-off of the cable under test; the main light-emitting diode 9 and the auxiliary light-emitting diode 15 in the same sequence will show the same light-emitting situation, which can be used as a group of light-emitting diode groups, and According to their connection relationship, when there is a light-emitting diode group in a light-emitting state, its number is at least two groups, and the two groups correspond to one of the four groups above and one of the four groups below; the two ends of the twisted pair It can be inserted into the main RJ45 slot 3 and the auxiliary RJ45 slot 12 respectively. The twisted pair includes eight twisted-pair inner wires, which can correspond to the corresponding main LED 9 and auxiliary LED 15 respectively. When there are no less than two groups of LEDs When the diode groups are in the light-emitting state, the twisted-pair inner wires corresponding to the light-emitting diode groups in the light-emitting state are in the connected state, and the twisted-pair inner wires corresponding to the light-emitting diode groups in the non-light-emitting state are in the interrupted state, and all the light-emitting diode groups are not in the state. In the light-emitting state, at least four twisted-pair inner wires are in the interrupted state, and the LED groups corresponding to the four twisted-pair inner wires are the four groups located above or the four groups located below; one end of the coaxial line can be inserted In the main BNC connector 4 or the main Q9 connector 5, the other end of the coaxial cable can be inserted into the auxiliary BNC connector 13 or the auxiliary Q9 connector 14. The coaxial cable includes two coaxial inner wires. According to their connection relationship, the corresponding two groups The light-emitting diode group has only two states of full light and no light. When it is in the state of full light, the two coaxial inner lines are connected. When it is in the state of no light, at least one coaxial inner line is connected. interrupt status. In this way, the on-off status of twisted-pair wires and coaxial cables can be judged. The structure is simple, the manufacturing cost is low, and it is convenient for a large number of configurations, which can meet the detection requirements. It can improve the work efficiency of operation and maintenance personnel.

According to actual needs, the above-mentioned simple direct-connected twisted pair and coaxial cable tester can be further optimized or/and improved:

As shown in accompanying drawing 1,2, the outside of main tester 1 is also fixed with main RJ11 slot 16, and main RJ11 slot 16 comprises two main audio connection pins; The negative end and any positive end of the four main light-emitting diodes 9 located below are electrically connected to the two main audio connection pins; 17 includes two auxiliary audio connection pins; any positive end of the four auxiliary light-emitting diodes 15 located above and any negative end of the four auxiliary light-emitting diodes 15 located below are electrically connected to the two auxiliary audio connection feet respectively together. During use, the two ends of the audio cable can be inserted into the main RJ11 slot 16 and the auxiliary RJ11 slot 17 respectively. The audio cable includes two audio inner wires, and the on-off status judgment of the audio cable is the same as that of the coaxial cable. In this way, it can also detect the continuity of the audio cable without increasing its volume and retaining its portability.

As shown in Figures 1 and 2, the positive or negative terminals of the two auxiliary light emitting diodes 15 corresponding to the positions of the two main light emitting diodes 9 electrically connected to the main coaxial node are respectively connected to the two auxiliary light emitting diodes in sequence. The shaft nodes are electrically connected together; the positive or negative ends of the two auxiliary light-emitting diodes 15 corresponding to the positions of the two main light-emitting diodes 9 that are electrically connected together with the main audio connection pins are respectively connected to the two auxiliary audio frequency connection pins in sequence. electrically connected together. This makes the lighting of its display more intuitive.

As shown in accompanying drawing 1,2, the positions of the two main light emitting diodes 9 electrically connected together with the main audio connection pin and the two main light emitting diodes 9 electrically connected together with the main coaxial node are all different; and The positions of the two auxiliary light emitting diodes 15 electrically connected to the auxiliary audio connection pin and the two auxiliary light emitting diodes 15 electrically connected to the auxiliary coaxial node are different. In this way, the wiring and maintenance process can be simplified, and the frequency of use of the corresponding main light emitting diode 9 and auxiliary light emitting diode 15 can be reduced to prolong their use state.

As shown in accompanying drawings 1 and 2, the order from top to bottom of the two main light-emitting diodes 9 electrically connected together with the main coaxial node is respectively the third and the sixth, and the auxiliary coaxial node electric The order from top to bottom of the two auxiliary light-emitting diodes 15 connected together is respectively the third and the sixth; The order is respectively the fourth and the fifth, and the order from top to bottom of the two auxiliary light-emitting diodes 15 electrically connected together with the auxiliary audio connection pin is respectively the fourth and the fifth. In this way, it is convenient to mark them on the outside of the main tester 1 and the auxiliary tester 2, so that the light-emitting conditions displayed by them are more intuitive.

As shown in accompanying drawings 1 and 2, the power supply 7 is a 9V stacked battery, and the main tester 1 corresponding to the position of the power supply 7 has a battery replacement window on which a removable battery back cover is installed. The laminated battery is made of ordinary chemical dry batteries into small rectangular blocks, and multiple stacked and connected in series to form an independent battery. It has the characteristics of small size, high output voltage, and easy replacement.

As shown in accompanying drawings 1 and 2, a detachable and combined combined slide rail 18 is fixedly installed between the outside of the main tester 1 and the outside of the auxiliary tester 2 . This can make it more convenient to use, and is not easy to lose, and is convenient to place; to test.

The above technical features constitute the best embodiment of the utility model, which has strong adaptability and best implementation effect, and non-essential technical features can be increased or decreased according to actual needs to meet the needs of different situations.

Claims (10)

1. A kind of simple and easy directly connected twisted pair and coaxial cable tester, it is characterized in that comprising main tester and auxiliary tester, the outside of main tester is fixed with main RJ45 slot, main BNC joint and main Q9 joint, The main RJ45 slot includes eight main twisted-pair terminals located inside the main tester. The two terminal pins of the main BNC connector are electrically connected with the two terminal pins of the main Q9 connector through wires and formed inside the main tester. Two main coaxial nodes; the inner side of the main tester is fixed with a switch, power supply, protection resistor and eight main light-emitting diodes distributed sequentially from top to bottom. The trigger part of the switch is located outside the main tester, corresponding to each main tester There is a main light-transmitting window on the main tester of the light-emitting part of the light-emitting diode; each main light-emitting diode includes a positive terminal and a negative terminal, and the positive terminals of the four main light-emitting diodes located above are connected in parallel through wires to form an upper Node, the negative ends of the four main light-emitting diodes located below are all connected in parallel through wires to form a lower node, and a power supply, a switch and a protection resistor are connected in series between the lower node and the upper node. The negative end of the main light-emitting diode and the positive end of the four main light-emitting diodes located below are electrically connected to the eight main twisted-pair wiring pins in sequence, and the negative end of any one of the four main light-emitting diodes located above is connected to the lower one. Any positive end of the four main light-emitting diodes is electrically connected to the two main coaxial nodes; the auxiliary tester is fixed with auxiliary RJ45 slots, auxiliary BNC connectors and auxiliary Q9 connectors, and auxiliary RJ45 slots It includes eight auxiliary twisted-pair wiring pins located inside the auxiliary tester. The two wiring pins of the auxiliary BNC connector are electrically connected with the two wiring pins of the auxiliary Q9 connector through wires to form two auxiliary same wires inside the auxiliary tester. axis node; the inside of the auxiliary tester is fixed with eight auxiliary light-emitting diodes distributed sequentially from top to bottom, and there are auxiliary light-transmitting windows on the auxiliary tester corresponding to the light-emitting part of each auxiliary light-emitting diode; each auxiliary light-emitting diode Both include a positive terminal and a negative terminal, the negative terminals of the four auxiliary light-emitting diodes located above and the positive terminals of the four auxiliary light-emitting diodes located below are electrically connected together through wires, and the positive terminals of the four auxiliary light-emitting diodes located above and the negative ends of the four auxiliary light-emitting diodes located below are electrically connected to the eight auxiliary twisted-pair wiring pins in sequence, and any positive terminal of the four auxiliary light-emitting diodes located above is connected to the four auxiliary light-emitting diodes located below. Any one of the negative terminals is electrically connected to two auxiliary coaxial nodes. 2. The simple direct-connected twisted pair and coaxial cable tester according to claim 1, characterized in that the outside of the main tester is also fixed with a main RJ11 slot, and the main RJ11 slot includes two main audio connection pins ;Any negative end of the four main light-emitting diodes at the top and any positive end of the four main light-emitting diodes at the bottom are electrically connected to the two main audio connection pins; the outer side of the auxiliary tester is also fixed There is an auxiliary RJ11 slot, and the auxiliary RJ11 slot includes two auxiliary audio terminal pins; the positive terminal of any one of the four auxiliary LEDs located at the top and the negative terminal of any one of the four auxiliary LEDs located at the bottom are respectively connected to the two Auxiliary audio pins are electrically connected together. 3. The simple direct-connected twisted pair and coaxial cable tester according to claim 2, characterized in that two auxiliary light-emitting diodes corresponding to the positions of the two main light-emitting diodes electrically connected to the main coaxial node The positive or negative ends of the diodes are electrically connected to the two auxiliary coaxial nodes in sequence; the positive ends of the two auxiliary LEDs corresponding to the positions of the two main LEDs electrically connected to the main audio connection pin Or the negative end is electrically connected to the two auxiliary audio connection pins in sequence. 4. The simple direct-connected twisted pair and coaxial cable tester according to claim 2 or 3, characterized in that the two main light-emitting diodes and the main coaxial node are electrically connected together with the main audio connection pin The positions of the two main light-emitting diodes electrically connected together are different; the positions of the two auxiliary light-emitting diodes electrically connected together with the auxiliary audio terminal pin and the two auxiliary light-emitting diodes electrically connected together with the auxiliary coaxial node All are different. 5. according to claim 2 or 3 described simple direct twisted pair and coaxial cable tester, it is characterized in that the number of the two main light-emitting diodes that are electrically connected together with the main coaxial node is counted from top to bottom The order of the two auxiliary light-emitting diodes that are electrically connected to the auxiliary coaxial node is the third and the sixth respectively; The order from top to bottom of the two main light-emitting diodes connected together is the fourth and fifth respectively, and the order from top to bottom of the two auxiliary light-emitting diodes connected together with the auxiliary audio connection pin is respectively Fourth and fifth. 6. The simple direct-connected twisted pair and coaxial cable tester according to claim 4, characterized in that the order of the two main light-emitting diodes electrically connected together with the main coaxial node is counted from top to bottom The third and the sixth respectively, and the order of the two auxiliary light-emitting diodes electrically connected to the auxiliary coaxial node are respectively the third and the sixth from top to bottom; The order from top to bottom of the two main light-emitting diodes together is the fourth and fifth respectively, and the order from top to bottom of the two auxiliary light-emitting diodes that are electrically connected to the auxiliary audio connection pin is fourth respectively. and the fifth. 7. The simple direct-connected twisted pair and coaxial cable tester according to claim 1, 2 or 3, characterized in that the power supply is a 9V stacked battery, and the main tester corresponding to the power supply position has a battery replacement window, A detachable battery rear cover is installed on the battery replacement window; or/and, a detachable and combined combined slide rail is fixedly installed between the outside of the main tester and the outside of the auxiliary tester. 8. The simple direct-connected twisted pair and coaxial cable tester according to claim 4, characterized in that the power supply is a 9V laminated battery, the main tester corresponding to the power supply position has a battery replacement window, and the battery replacement window is A detachable battery rear cover is installed; or/and, a detachable and combined combined slide rail is fixedly installed between the outside of the main tester and the outside of the auxiliary tester. 9. The simple direct-connected twisted pair and coaxial cable tester according to claim 5, characterized in that the power supply is a 9V laminated battery, the main tester corresponding to the power supply position has a battery replacement window, and the battery replacement window is A detachable battery rear cover is installed; or/and, a detachable and combined combined slide rail is fixedly installed between the outside of the main tester and the outside of the auxiliary tester. 10. The simple direct-connected twisted pair and coaxial cable tester according to claim 6, characterized in that the power supply is a 9V laminated battery, the main tester corresponding to the position of the power supply has a battery replacement window, and the battery replacement window is A detachable battery rear cover is installed; or/and, a detachable and combined combined slide rail is fixedly installed between the outside of the main tester and the outside of the auxiliary tester.