CN210376560U

CN210376560U - Portable cable core on-off tester

Info

Publication number: CN210376560U
Application number: CN201920915737.4U
Authority: CN
Inventors: 张德勤
Original assignee: Sinopec Engineering Group Co Ltd; Sinopec Nanjing Engineering Co Ltd
Current assignee: Sinopec Engineering Group Co Ltd; Sinopec Nanjing Engineering Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-21
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a portable cable core wire on-off tester, which comprises a casing, a red meter pen terminal socket, a black meter pen terminal socket, a buzzer opening, an indicator light/buzzer switching button and a test button are arranged on the casing, a test circuit is arranged in the casing, the test circuit comprises a power module, a change-over switch, a test switch, an indicator light, a buzzer, a positive terminal and a negative terminal, the indicator light and the buzzer are respectively arranged at the indicator light opening and the buzzer opening, the actions of the indicator light/buzzer switching button and the test button respectively control the change-over switch and the test switch, one end of the change-over switch is connected with the positive terminal of the power module, the other end is connected with the positive terminal of the buzzer or the indicator light, the negative terminal of the buzzer is connected with the positive terminal after being connected with the negative terminal of the indicator light in parallel, the negative terminal of, two ends of the test switch are respectively connected with the positive terminal and the negative terminal, and the positive terminal and the negative terminal are respectively connected with the red meter pen socket and the black meter pen socket.

Description

Portable cable core on-off tester

Technical Field

The utility model relates to a portable cable conductor break-make tester, especially a site operation special cable conductor break-make tester belongs to cable conductor break-make testing tool technical field.

Background

At present in large-scale field engineering, often reform transform and connect the cable, prior art uses the universal meter to the break-make test of cable conductor, is victory tablet universal meter usually, and this kind of universal meter is expensive, carries inconveniently, and the break-make of cable conductor is judged only to this kind of universal meter according to buzzing shelves moreover, and the site operation environment is very noisy, and site test personnel hear the buzzing sound of universal meter very easily, and therefore the job site uses very inconveniently. In addition, the multimeter is high in power consumption, a battery is frequently replaced in a project with large cable core wire on-off quantity testing, and the construction progress is influenced.

Disclosure of Invention

An object of the utility model is to provide a portable cable heart yearn break-make tester that is used for testing on-spot construction cable heart yearn break-make specially for solve prior art and use universal meter expensive, carry inconvenient, use inconvenient and the power consumptive high technical problem.

The utility model adopts the following technical scheme: a portable cable core wire on-off tester comprises a casing, wherein a red meter pen terminal socket and a black meter pen terminal socket are arranged on the casing, a buzzer opening, an indicator lamp/buzzer switching button and a test button are further arranged on the casing, a test circuit is arranged in the casing and comprises a power module, a change-over switch, a test switch, an indicator lamp, a buzzer, a positive terminal and a negative terminal, the indicator lamp and the buzzer are respectively positioned at the indicator lamp opening and the buzzer opening, the indicator lamp/buzzer switching button and the test button respectively control the change-over switch and the test switch in action, one end of the change-over switch is connected with the positive electrode of the power module, the other end of the change-over switch is connected with the positive electrode of the buzzer or the positive electrode of the indicator lamp, the negative electrode of the buzzer is connected with the positive terminal after being connected with the negative electrode of the indicator lamp in parallel, the negative pole of power module passes through the wire and is connected with negative terminal, test switch both ends pass through the wire and are connected with positive terminal and negative terminal respectively, positive terminal and negative terminal are connected with red table pen socket and black table pen socket respectively.

The power module comprises a lithium battery and a charging overcurrent protection board, the positive electrode and the negative electrode of the lithium battery are respectively connected with an input end IN of the charging overcurrent protection board through leads, and the positive electrode of an output end OUT of the charging overcurrent protection board is connected with the change-over switch through a lead.

The lithium battery is connected with a charging interface, and the charging interface is arranged on the side face of the shell.

The lithium battery is a 18650 rechargeable battery, the charging overcurrent protection board is TP4056, and the charging interface is a MICRO interface.

The indicator lamp is a 3V LED indicator lamp.

The buzzer is a 3V active buzzer.

The change-over switch is a three-pin two-gear micro switch, and the specification of the change-over switch is 60V and 0.5A.

The test switch is a self-reset inching switch.

The red meter pen socket and the black meter pen socket are female heads with inner hole diameters of 4 mm.

The utility model discloses a casing, including red table pen binding post socket, black table pen binding post socket, buzzer opening, pilot lamp buzzer switching button and test button, the back mounted of casing has the back splint.

The utility model has the advantages that: utilize the utility model discloses carry out cable conductor break-make test process as follows: before testing, the specification and model of the cable are confirmed to meet the design requirements, and the number tube of the cable core wire and the label of the cable plate are clear. And then switching an indicator lamp or a buzzer as an on-off basis according to the site construction environment, wherein the positive electrode and the negative electrode of the core wire at one end of the cable to be tested are in short circuit, the positive electrode of the core wire at the other end of the cable is connected with a red meter pen socket of the cable core wire on-off tester, the negative electrode of the core wire is connected with a black meter pen socket of the cable core wire on-off tester, and if the cable core wire is connected, the indicator lamp is on or. If the indicator light is not on or the buzzer does not sound in the testing process, the testing button is used for firstly confirming whether the cable core wire on-off tester is electrified or not, and if the testing button is pressed, the indicator light is on or the buzzer sounds, the equipment is electrified, and then the cable core wire is judged to be not electrified.

The utility model discloses circuit structure and overall structure are all fairly simple, therefore small with low costs, low price, and most parts are located inside the casing in the circuit, and are not fragile during the use, convenient to carry in the work progress, can the circulation use of charging moreover, can effectively control again and drop into, have practiced thrift construction cost when improving debugging work efficiency to good economic benefits and social have been gained. The break-make of cable conductor is judged through pilot lamp or bee calling organ in the use, if noise is big in the service environment very much, switches over the bee calling organ circuit through pilot lamp/bee calling organ switching button and switches over the pilot lamp circuit into, judges the break-make of cable conductor through observing whether the pilot lamp lights, prevents the noise interference. The utility model discloses convenient to carry uses through rechargeable battery circulated charging.

Drawings

Fig. 1 is an external plan view of a portable cable core on-off tester according to an embodiment of the present invention;

FIG. 2 is a right side view of FIG. 1;

fig. 3 is an internal circuit diagram of the portable cable core on-off tester in fig. 1.

In the figure, 1-shell, 2-red stylus terminal socket, 3-black stylus terminal socket, 4-indicator lamp/buzzer switching button, 5-test button, 6-power module, 7-lithium battery, 8-change-over switch, 9-test switch, 10-indicator lamp, 11-buzzer, 12-positive terminal, 13-negative terminal, 14-charging interface and 15-back clip.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The utility model relates to an exterior structure of portable cable heart yearn on-off tester of embodiment is as shown in fig. 1 to fig. 2, and the portable cable heart yearn on-off tester of this embodiment includes casing 1, is equipped with red pen binding post socket 2, black pen binding post socket 3 on casing 1, still be equipped with bee calling organ opening, pilot lamp buzzer switching button 4 and test button 5 on casing 1, be equipped with test circuit in the casing 1, test circuit includes power module 6, change over switch 8, test switch 9, pilot lamp 10, bee calling organ 11, positive terminal 12 and negative terminal 13 are connected with red pen socket 2 and black pen socket 3 respectively, pilot lamp 10 and bee calling organ 11 are located pilot lamp opening and bee calling organ open position department respectively, change over switch 8 and test button 5 are controlled respectively in the action of pilot lamp buzzer switching button 4 and test button 5 and test the test button 8 and test button 5 Switch 9, red table pen socket 2 and black table pen socket 3 are female head that the hole diameter is 4 mm. Red table pen terminal socket 2, black table pen terminal socket 3, buzzer opening, pilot lamp buzzer switching button 4 and test button 5 all are located the front of casing 1, the back mounted of casing 1 has back splint 15.

As shown in fig. 3, one end of the change-over switch 8 is connected to the positive electrode of the power module 6, the other end of the change-over switch is connected to the positive electrode of the buzzer 11 or the positive electrode of the indicator light 10, the negative electrode of the buzzer 11 is connected to the positive terminal 12 after being connected in parallel to the negative electrode of the indicator light 10, the negative electrode of the power module 1 is connected to the negative terminal 13 through a wire, and the two ends of the test switch 9 are respectively connected to the positive terminal 12 and the negative terminal 13 through wires. The power module 6 of this embodiment includes the lithium cell 7 and charges and overflows the protection shield, the positive negative pole of lithium cell 6 respectively through the wire with charge the input IN connection that overflows the protection shield, the positive pole that overflows protection shield output OUT that charges is connected with change over switch 8 through the wire. In the embodiment, the connecting parts of the wires are welded, and then are thermally shrunk by an insulating sleeve.

The lithium battery 7 is connected with a charging interface 14, and the charging interface 14 is arranged on the side face of the shell 1. The lithium battery 7 is a 18650 rechargeable battery, the charging overcurrent protection board is TP4056, and the charging interface 14 is a MICRO interface. When the electric quantity of the cable core wire on-off tester is insufficient, the lithium battery can be charged by the data line charger through the charging interface.

The indicator light 10 is a 3V LED indicator light, and the buzzer is a 3V active buzzer.

The change-over switch 8 is a three-pin two-gear micro switch, the specification of the change-over switch 8 is 60V and 0.5A, and the test switch 9 is a self-resetting inching switch.

The process of the method for testing the on-off of the cable core by using the embodiment is as follows: before testing, the specification and model of the cable are confirmed to meet the design requirements, and the number tube of the cable core wire and the label of the cable plate are clear. And then switching an indicator lamp or a buzzer as an on-off basis according to the site construction environment, wherein the positive electrode and the negative electrode of the core wire at one end of the cable to be tested are in short circuit, the positive electrode of the core wire at the other end of the cable is connected with a red meter pen socket of the cable core wire on-off tester, the negative electrode of the core wire is connected with a black meter pen socket of the cable core wire on-off tester, and if the cable core wire is connected, the indicator lamp is on or.

If the indicator light is not on or the buzzer does not sound in the testing process, the testing button is used for firstly confirming whether the cable core wire on-off tester is electrified or not, and if the testing button is pressed, the indicator light is on or the buzzer sounds, the equipment is electrified, and then the cable core wire is judged to be not electrified.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. Portable cable conductor break-make tester, it includes the casing, is equipped with red table pen binding post socket, black table pen binding post socket on the casing, its characterized in that: the shell is also provided with a buzzer opening, an indicator light/buzzer switching button and a test button, a test circuit is arranged in the shell and comprises a power module, a change-over switch, a test switch, an indicator light, a buzzer, an anode terminal and a cathode terminal, the indicator light and the buzzer are respectively positioned at the position of the indicator light opening and the position of the buzzer opening, the change-over switch and the test switch are respectively controlled by the action of the indicator light/buzzer switching button and the test button, one end of the change-over switch is connected with the anode of the power module, the other end of the change-over switch is connected with the anode of the buzzer or the anode of the indicator light, the cathode of the buzzer is connected with the anode terminal after being connected with the cathode of the indicator light in parallel, the cathode of the power module is connected with the cathode terminal through a lead, and the two ends of the test switch are respectively connected with the, and the positive terminal and the negative terminal are respectively connected with the red meter pen socket and the black meter pen socket.

2. The portable cable core on-off tester of claim 1, wherein: the power module comprises a lithium battery and a charging overcurrent protection board, the positive electrode and the negative electrode of the lithium battery are respectively connected with an input end IN of the charging overcurrent protection board through leads, and the positive electrode of an output end OUT of the charging overcurrent protection board is connected with the change-over switch through a lead.

3. The portable cable core on-off tester of claim 2, wherein: the lithium battery is connected with a charging interface, and the charging interface is arranged on the side face of the shell.

4. The portable cable core on-off tester of claim 3, wherein: the lithium battery is a 18650 rechargeable battery, the charging overcurrent protection board is TP4056, and the charging interface is a MICRO interface.

5. The portable cable core on-off tester of claim 1, wherein: the indicator lamp is a 3V LED indicator lamp.

6. The portable cable core on-off tester of claim 1, wherein: the buzzer is a 3V active buzzer.

7. The portable cable core on-off tester of claim 1, wherein: the change-over switch is a three-pin two-gear micro switch, and the specification of the change-over switch is 60V and 0.5A.

8. The portable cable core on-off tester of claim 1, wherein: the test switch is a self-reset inching switch.

9. The portable cable core on-off tester of claim 1, wherein: the red meter pen socket and the black meter pen socket are female heads with inner hole diameters of 4 mm.

10. The portable cable core on-off tester of claim 1, wherein: the utility model discloses a casing, including red table pen binding post socket, black table pen binding post socket, buzzer opening, pilot lamp buzzer switching button and test button, the back mounted of casing has the back splint.