CN214473715U

CN214473715U - Withstand voltage tester for cable production

Info

Publication number: CN214473715U
Application number: CN202023128211.3U
Authority: CN
Inventors: 杨清
Original assignee: Suzhou Grace Communication Technology Co ltd
Current assignee: Suzhou Grace Communication Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-22
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a withstand voltage tester for cable manufacture, including quick-witted case, accredited testing organization, control panel, a side surface lower extreme of machine case is equipped with power source, the inner wall that the machine case is close to wiring mouth one end transversely is equipped with the buffer tank box, accredited testing organization includes variable frequency power supply, reactor, voltage divider, excitation transformer, variable frequency power supply establishes the quick-witted incasement wall in power source one side, the reactor transversely establishes the buffer tank box inner wall in wiring mouth one side through insulating rubber pad, the quick-witted incasement wall of voltage divider vertically establishes in the locating plate below, excitation transformer passes through insulating support and establishes the quick-witted incasement wall in voltage divider one side, institute control panel's preceding side surface is equipped with display screen, frequency modulation knob, terminal. The utility model discloses utilize variable frequency power supply to mediate external power supply and the control demand of different voltages when accomplishing the cable test under reactor, voltage divider and excitation transformer's multidirectional regulatory action, guarantee the processing quality, excellent in use effect.

Description

Withstand voltage tester for cable production

Technical Field

The utility model relates to a voltage processing technology field specifically is a withstand voltage tester for cable manufacture.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. The withstand voltage tester may be called an electrical insulation strength tester, a dielectric strength tester, or the like according to its function. The working principle is as follows: a voltage higher than the normal working voltage is applied to the insulator of the tested device for a specified time, and the voltage applied to the insulator only generates small leakage current, so that the insulation is good. The program control power module, the signal acquisition conditioning module and the computer control system form a test system. 2 indexes of the pressure resistance instrument are selected: the maximum output voltage value and the maximum alarm current value. The existing pressure test for cable production processing is mostly mechanical heavy pressure detection, for example, application number 201820986403.1, the name is a pressure resistance tester for electric wire and cable, the reference value of the heavy pressure resistance detection of the outer surface of the cable to the electric conductivity of the cable is not enough, the processing cost is influenced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a withstand voltage tester for cable manufacture to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a withstand voltage tester for cable production comprises a case, a testing mechanism and a control panel, wherein a power interface is fixedly arranged at the lower end of one side surface of the case through a groove, a wiring port is fixedly arranged at one end of the upper part of one side surface of the case, which is far away from the power interface, through a through hole, a buffer tank box is transversely and fixedly arranged on the inner wall of one end of the case, which is close to the wiring port, a storage box is fixedly arranged on the inner wall of the case, which is at one side of the buffer tank box, a positioning plate is fixedly arranged in the middle of the inner wall of the case, which is at one side of the storage box, the testing mechanism comprises a variable frequency power supply, a reactor, a voltage divider and an excitation transformer, the variable frequency power supply is fixedly arranged on the inner wall of the case, which is at one side of the wiring port, the reactor is transversely and fixedly arranged on the inner wall of the case, which is at the lower part of the positioning plate, through an insulating rubber pad, the voltage divider is longitudinally and fixedly arranged on the inner wall of the case, which is at the lower part of the positioning plate, the excitation transformer is fixedly arranged on the inner wall of the case on one side of the voltage divider through an insulating support, the control panel is fixedly arranged on the inner wall of the case on the front side of the excitation transformer, the front side surface of the control panel is respectively and fixedly provided with a display screen, a frequency modulation knob and a binding post, and the control end of the control panel is in signal connection with electrical equipment in the testing mechanism through a controller.

Preferably, the case is of an upper opening structure and is controlled to open and close by a lock catch arranged in the middle of the front side surface of the case.

Preferably, the power interface is electrically connected with the variable frequency power supply, the reactor, the voltage divider and the excitation transformer in sequence through an inner lead and is tapped into the wiring terminal.

Preferably, the variable frequency power supply is an ABB power frequency converter, and the voltage divider is an alternating current/direct current high-voltage divider.

Preferably, the display screen is an LED centralized control information screen, and the frequency modulation knob is in signal connection with the variable frequency power supply.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the testing mechanism comprises a variable frequency power supply, a reactor, a voltage divider and an exciting transformer, a display screen, a frequency modulation knob and a binding post are arranged on the front side surface of the control panel, the variable frequency power supply is used for adjusting an external power supply and meeting the control requirements of different voltages when a cable is tested under the multidirectional adjusting action of the reactor, the voltage divider and the exciting transformer, the regulation and control requirements of different voltages during detection are met to ensure the processing quality, and the using effect is good.

2. The inner wall one end of quick-witted case is located through the buffer tank box to the voltage divider, and the quick-witted incasement wall of buffer tank box one side is equipped with the receiver, guarantees quick-witted incasement electrical components fixed position reliable while utilize the receiver to accomplish the arrangement of wire rod in order to make things convenient for next operation, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is an expanded view of the internal structure of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a chassis; 2. a control panel; 3. a power interface; 4. a wiring port; 5. a buffer tank box; 6. a storage box; 7. positioning a plate; 8. a variable frequency power supply; 9. a reactor; 10. a voltage divider; 11. an excitation transformer; 12. a display screen; 13. a frequency modulation knob; 14. a binding post; 15. and (5) locking.

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.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a voltage withstanding tester for cable production includes a case 1, a testing mechanism and a control panel 2, a power source 3 is fixedly disposed at a lower end of a side surface of the case 1 by forming a groove, a wiring port 4 is fixedly disposed at an upper end of a side surface of the case 1 away from the power source 3 by forming a through hole, a buffer slot box 5 is transversely fixedly disposed at an inner wall of the case 1 near the wiring port 4, a storage box 6 is fixedly disposed at an inner wall of the case 1 at one side of the buffer slot box 5, a positioning plate 7 is fixedly disposed at a middle portion of the inner wall of the case 1 at one side of the storage box 6, the testing mechanism includes a variable frequency power source 8, a reactor 9, a voltage divider 10 and an excitation transformer 11, the variable frequency power source 8 is fixedly disposed at an inner wall of the case 1 at one side of the power source 3, the reactor 9 is transversely fixedly disposed at an inner wall of the buffer slot box 5 at one side of the wiring port 4 by an insulating rubber pad, the voltage divider 10 is longitudinally and fixedly arranged on the inner wall of the case 1 below the positioning plate 7, the exciting transformer 11 is fixedly arranged on the inner wall of the case 1 on one side of the voltage divider 10 through an insulating support, the control panel 2 is fixedly arranged on the inner wall of the case 1 on the front side of the exciting transformer 11, the front side surface of the control panel 2 is respectively and fixedly provided with a display screen 12, a frequency modulation knob 13 and a binding post 14, and the control end of the control panel 2 is in signal connection with electrical equipment in the testing mechanism through a controller; the case 1 is of an upper opening type structure and is controlled to open and close by a lock catch 15 arranged in the middle of the front side surface of the case, so that the case is convenient to transfer and store; the power interface 3 is electrically connected with a variable frequency power supply 8, a reactor 9, a voltage divider 10 and an excitation transformer 11 in sequence through an inner lead and is tapped into a wiring terminal 14 to meet wiring requirements; the variable frequency power supply 8 is an ABB power frequency converter, and the voltage divider 10 is an AC/DC high-voltage divider 10, so that the test requirements of different products are met; the display screen 12 is an LED centralized control information screen, and the frequency modulation knob 13 is in signal connection with the variable frequency power supply 8, so that the different frequency access control requirements of the variable frequency power supply 8 are met.

The utility model discloses a theory of operation and use flow: during the use, the cable is connected into the case 1 through the wiring port 4 according to the test requirements, the electric connection with the test mechanism is completed through the wiring terminal 14, the test parameters are adjusted through the display screen 12 on the surface of the control panel 2, the variable frequency power supply 8 is used for adjusting the external power supply and completing the control requirements of different voltages during the cable test under the multidirectional adjusting action of the reactor 9, the voltage divider 10 and the exciting transformer 11, the regulation and control requirements of different voltages during detection are met so as to ensure the processing quality, and the use effect is good.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a withstand voltage tester for cable manufacture, includes quick-witted case (1), accredited testing organization, control panel (2), its characterized in that: the testing device is characterized in that a power interface (3) is fixedly arranged at the lower end of one side surface of the case (1) through a groove, a wiring port (4) is fixedly arranged at one end of the upper part of one side surface of the case (1) far away from the power interface (3) through a through hole, a buffer tank box (5) is transversely and fixedly arranged on the inner wall of one end of the case (1) close to the wiring port (4), a storage box (6) is fixedly arranged on the inner wall of the case (1) at one side of the buffer tank box (5), a positioning plate (7) is fixedly arranged in the middle of the inner wall of the case (1) at one side of the storage box (6), the testing mechanism comprises a variable frequency power supply (8), an electric reactor (9), a voltage divider (10) and an excitation transformer (11), the variable frequency power supply (8) is fixedly arranged on the inner wall of the case (1) at one side of the power interface (3), the electric reactor (9) is transversely and fixedly arranged on the inner wall of the buffer tank box (5) at one side of the wiring port (4) through an insulating rubber pad, the voltage divider (10) is vertically fixed and is arranged on the inner wall of the case (1) below the positioning plate (7), the exciting transformer (11) is fixedly arranged on the inner wall of the case (1) on one side of the voltage divider (10) through an insulating support, the control panel (2) is fixedly arranged on the inner wall of the case (1) on the front side of the exciting transformer (11), the front side surface of the control panel (2) is respectively and fixedly provided with a display screen (12), a frequency modulation knob (13) and a binding post (14), and the control end of the control panel (2) is connected with an electrical device signal in the testing mechanism through a controller.

2. The withstand voltage tester for cable production according to claim 1, characterized in that: the case (1) is of an upper opening type structure and is controlled to open and close by a lock catch (15) arranged in the middle of the front side surface of the case.

3. The withstand voltage tester for cable production according to claim 1, characterized in that: the power interface (3) is electrically connected with the variable frequency power supply (8), the reactor (9), the voltage divider (10) and the exciting transformer (11) in sequence through an inner lead and is tapped into the wiring terminal (14).

4. The withstand voltage tester for cable production according to claim 1, characterized in that: the variable frequency power supply (8) is an ABB power frequency converter, and the voltage divider (10) is an AC/DC high-voltage divider (10).

5. The withstand voltage tester for cable production according to claim 1, characterized in that: the display screen (12) is an LED centralized control information screen, and the frequency modulation knob (13) is in signal connection with the variable frequency power supply (8).