CN204758747U - Coaxial connector welds testing arrangement - Google Patents

Abstract

The utility model discloses a coaxial connector welds testing arrangement, including fixed terminal, judgement circuit and shell, judge the circuit pass through the wire with the heart yearn and the shielded wire of fixed terminal are connected, in order to judge the shielded wire the heart yearn the shielded wire with switching on of heart yearn, wherein judge that the circuit includes power, resistance, singlechip and emitting diode, the input of singlechip corresponds the wire that the connection links to each other with shielded wire and heart yearn, the output of singlechip corresponds to be connected resistance with the light emitting diode, emitting diode's the other end is connected the power, the power does the singlechip power supply. The utility model discloses can realize fixed solder joint and test and weld the function of effect in coaxial cable and union joint welding operation.

Description

Coaxial cable connector welding test device

technical field

The utility model relates to a welding test device for a coaxial cable connector, in particular to a welding auxiliary device for a coaxial cable connector with fixing and testing functions.

Background technique

Coaxial cables are one of the most common transmission media at present, and are widely used in the communication field. For example, the E1 interface of pulse code modulation (PCM) equipment is connected through two coaxial cables with BNC connectors. The coaxial cable is mainly composed of two conductors, the core wire and the shielded wire, and an insulator that acts as a protective insulation. Most of the existing coaxial cable connectors need to be connected with the coaxial cable by welding. For example, BNC type connectors are divided into male and female connectors, which are composed of inner conductor, outer conductor and insulator for insulation; when in use, the coaxial cable needs to be cut to a suitable length according to the actual situation, and then the coaxial Both ends of the cable connect to the connectors of the BNC type connectors. This requires soldering the core wire of the coaxial cable and the core wire of the BNC type connector firmly with an electric soldering iron, and then crimping the shielding wire of the BNC type connector and the shielding wire of the coaxial cable together.

Due to the characteristics of the coaxial structure, the connector is mostly cylindrical, and it is easy to roll during the welding process, which affects the welding operation. After the connection is completed, it is necessary to use a multimeter to test whether the cable shielding wire is conductive, whether the cable core wire is conductive, and whether there is a short circuit inside and outside; the process is very cumbersome.

Contents of the invention

The utility model provides a coaxial cable connector welding test device which is easy to use and is easy to carry, which can fix the coaxial cable connector joint during welding; and after the welding is completed, synchronously test whether the shielding wire is conductive , whether the core wire is conducting, and whether the inside and outside are short-circuited.

It includes a fixed terminal, a judging circuit and a casing, and the judging circuit is connected to the core wire and the shielding wire of the fixed terminal through a wire to judge the shielding wire, the core wire, the shielding wire and the core wire conduction; wherein the judgment circuit includes a power supply, a resistor, a single-chip microcomputer and a light-emitting diode, the input end of the single-chip microcomputer is correspondingly connected to the wire connected to the shielding wire and the core wire, and the output end of the single-chip microcomputer is correspondingly connected to the resistance and the said single-chip microcomputer. The light-emitting diode, the other end of the light-emitting diode is connected to the power supply, and the power supply supplies power to the single-chip microcomputer.

Preferably, the fixed terminal includes two male or female connectors adapted to the joints of the connector to be welded.

Preferably, the fixed terminal, the switch of the power supply and the light emitting diode are arranged on the outer surface of the casing.

Preferably, the light emitting diodes are of different colors to display different test results.

Compared with the prior art, the beneficial effect of the coaxial cable connector welding test device of the present invention is that it is convenient to use and easy to carry, and can simultaneously realize the functions of fixing solder joints during welding and testing results after welding, Effectively improve the quality and efficiency of welding operations.

Description of drawings

FIG. 1 is a partial cross-sectional view of a coaxial cable connector soldering test device according to an embodiment.

FIG. 2 is a circuit diagram of a judging circuit of the coaxial cable connector soldering test device according to the embodiment.

Detailed ways

The coaxial cable connector welding test device of the present invention will be further described below in conjunction with the accompanying drawings and embodiments, but it is not intended to limit the present invention.

Here, take the common SYV-75 coaxial cable connected to the BNC type connector as an example for illustration.

As shown in Figures 1 and 2, a judgment circuit 2 is provided inside the housing 1 of the coaxial cable connector welding test device, fixed terminals 3 and 4 are provided on one side of the housing 1, and a switch 5 is provided on the upper surface of the housing 1 , and three indicator lights, i.e. red light 7, yellow light 8, green light 9. Wherein, the fixed terminals 3 and 4 are female heads of BNC type connectors, and their shielded wires and core wires are respectively connected to the input ports P20 to P23 of the single-chip microcomputer 6 through wires. Among them, as shown in Figure 2, the EA/VP port is used as an off-chip memory strobe/program signal input. Those skilled in the art know that the determination of the welding of the coaxial cable connector can be realized by any existing single-chip microcomputer control method, which is not the focus of the present invention.

The output ports P10 to P12 of the single-chip microcomputer 6 are connected to the resistors R1, R2, R3 respectively, R1, R2, R3 are connected to the negative poles of D1, D2, D3 respectively, and the positive poles of D1, D2, D3 are connected to the power supply. D1, D2, and D3 correspond to the red light 7, the yellow light 8, and the green light 9 respectively.

When soldering the two ends of the coaxial cable to the male heads of the BNC connectors, insert the male heads of the two BNC connectors to be welded on the fixed terminals 3 and 4, so as to obtain a stable operation surface.

After the welding is completed, a section of coaxial cable with BNC-type connector males connected at both ends is obtained, that is, the obtained communication cable. Turn on the switch 5, and the single-chip microcomputer 6 will test the continuity of the shielded wire and the core wire of the communication cable through a preset program. If there is an open circuit in the shielded wire or the core wire of the obtained communication cable, then the red light 7 (D1) is on; if there is a short circuit between the shielded wire and the core wire of the obtained communication cable, then the yellow light 8 (D2) is on; If the shielded wire and the core wire of the obtained communication cable are respectively conductive, and there is no conduction between the shielded wire and the core wire, then the green light 9 (D3) is on, and the obtained communication cable is qualified.

The above embodiments are only exemplary embodiments of the utility model, and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and such modifications or equivalent replacements should also be deemed to fall within the protection scope of the utility model.

Claims (4)

1. a coaxial cable connector welding proving installation, comprise fixed terminal, decision circuitry and shell, it is characterized in that: described decision circuitry is connected by the heart yearn of wire and described fixed terminal and shielding line, to test the conducting of described shielding line, described heart yearn, described shielding line and described heart yearn; Wherein:

Described decision circuitry comprises power supply, resistance, single-chip microcomputer and light emitting diode, the input end correspondence of described single-chip microcomputer connects the wire be connected with heart yearn with shielding line, the output terminal correspondence of described single-chip microcomputer connects described resistance and described light emitting diode, the other end of described light emitting diode connects described power supply, and described power supply is that described single-chip microcomputer is powered.

2. coaxial cable connector welding proving installation according to claim 1, is characterized in that: described fixed terminal is the male suitable with adapter connector to be welded or female.

3. coaxial cable connector welding proving installation according to claim 1, is characterized in that: comprise more than one described fixed terminal.

4. coaxial cable connector welding proving installation according to claim 1, is characterized in that: the switch of described fixed terminal, described power supply and described light emitting diode are arranged on the outside surface of described shell.