CN212321747U

CN212321747U - Cable heating characteristic test equipment

Info

Publication number: CN212321747U
Application number: CN202020794300.2U
Authority: CN
Inventors: 刘盾; 王丽晓; 金培丹; 赵迎辉; 刘磊涛
Original assignee: Fifan Cable Group Co ltd
Current assignee: Fifan Cable Group Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-08
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a cable heating characteristic test equipment, the on-line screen storage device comprises a base, first baffle and second baffle are installed respectively to the top of base correspondence both sides, install first joint and second joint on first baffle and the second baffle respectively, the signal transmitter who is connected with first joint is installed to top one side of base, the signal receiver who is connected with the second joint is installed to the top opposite side of base, the last display screen that installs of signal receiver, the top center department of base is fixed with electric heating element through the locating rack, electric heating element includes sleeve, first heating wire, second heating wire, temperature sensor, change over switch, time controller, current regulation module and control box, the sleeve passes through the locating rack and fixes the top center department at the base. The utility model discloses novel structure thinks about ingeniously, can audio-visually judge the inefficacy of cable to the temperature of cable when confirming to become invalid, convenient to use nature is good.

Description

Cable heating characteristic test equipment

Technical Field

The utility model relates to a cable detects technical field, specifically is a cable heated characteristic test equipment.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

The traditional cable heating characteristic test equipment is complex in structure, the obtained performance data cannot visually reflect the thermally induced failure of the cable, and the use is very inconvenient. Therefore, it is necessary to design a cable thermal characteristic testing device.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a cable heating characteristic test equipment, this test equipment, novel structure thinks about ingeniously, can audio-visually judge the inefficacy of cable to the temperature of cable when confirming the inefficacy, convenient to use nature is good.

In order to achieve the above object, the utility model provides a following technical scheme: a cable heating characteristic testing device comprises a base, wherein a first partition plate and a second partition plate are respectively installed on two corresponding sides of the top of the base, a first connector and a second connector are respectively installed on the first partition plate and the second partition plate, a signal transmitter connected with the first connector is installed on one side of the top of the base, a signal receiver connected with the second connector is installed on the other side of the top of the base, a display screen is installed on the signal receiver, and an electric heating assembly is fixed at the center of the top of the base through a positioning frame;

the electric heating component comprises a sleeve, a first heating wire, a second heating wire, a temperature sensor, a change-over switch, a time controller, a current regulating module and a control box, the sleeve is fixed at the center of the top of the base through a positioning frame, a first heating wire and a second heating wire are wound on the inner wall of the sleeve in a crossed manner, a temperature sensor is arranged at the center of the interior of the sleeve, a control box is arranged at one side of the top of the sleeve, the control box is internally provided with a change-over switch, a time controller and a current regulating module, the time controller is electrically connected with the input end of the change-over switch, the output end of the change-over switch is electrically connected with the first heating wire and the second heating wire, the time controller is electrically connected with the input end of the current adjusting module, and the output end of the current adjusting module is electrically connected with the first heating wire and the second heating wire.

Preferably, the two ends of the sleeve are screwed and fixed with heat insulation protective covers, and through holes are formed in the centers of the heat insulation protective covers.

Preferably, the sleeve comprises an outer protective layer and a heat insulation layer, and the outer protective layer is fixedly sleeved on the outer wall of the heat insulation layer.

Preferably, the thermal insulation layer is a gypsum board layer.

Preferably, the first joint and the second joint both comprise positioning seats and tightening nuts, the positioning seats are respectively fixed on adjacent sides of the first partition plate and the second partition plate, and the tightening nuts are screwed and fixed on the positioning seats.

The utility model has the advantages that:

1. the cable to be tested penetrates through the sleeve, two ends of the cable to be tested are respectively fixed on the first joint and the second joint, the current input into the first heating wire and the second heating wire is adjusted by the timing control current adjusting module through the arranged time controller, so that the temperature in the sleeve is timely raised, the cable works in different working environments, the temperature sensor is used for temperature monitoring, when a signal transmitted by the signal transmitter cannot be transmitted to the signal receiver through the test cable, the display screen displays the temperature, the temperature at the moment is the heating limit of the cable, the failure of the cable can be visually judged, the temperature of the cable in failure can be determined, and the use convenience is good;

2. the change-over switch is controlled by the arranged time controller to switch the first heating wire and the second heating wire, so that the heating wires which do not work can be preheated, and the service life of the electric heating assembly can be effectively prolonged by the alternative work of the first heating wire and the second heating wire;

3. through the thermal-insulated protective cover that sets up, can effectually prevent that the heat from giving off from telescopic both ends to influence the accuracy of temperature test.

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 view of the overall plane structure of the present invention;

FIG. 2 is a schematic view of the electric heating assembly of the present invention;

fig. 3 is a schematic view of the plane structure of the joint of the present invention;

FIG. 4 is a schematic cross-sectional plan view of the sleeve of the present invention;

reference numbers in the figures: 1. a base; 2. a signal transmitter; 3. a first separator; 4. a first joint; 5. a positioning frame; 6. an electric heating component; 7. a second joint; 8. a second separator; 9. a signal receiver; 10. a display screen; 11. a sleeve; 12. a first heating wire; 13. a second heating wire; 14. a temperature sensor; 15. a transfer switch; 16. a time controller; 17. a current regulation module; 18. a control box; 19. a heat insulating protective cover; 20. a through hole; 21. positioning seats; 22. tightly pushing the nut; 23. an outer protective layer; 24. an insulating layer.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-4.

Given by fig. 1-4, the utility model provides the following technical scheme: a cable heating characteristic testing device comprises a base 1, wherein a first partition plate 3 and a second partition plate 8 are respectively installed on two corresponding sides of the top of the base 1, a first connector 4 and a second connector 7 are respectively installed on the first partition plate 3 and the second partition plate 8, a signal transmitter 2 connected with the first connector 4 is installed on one side of the top of the base 1, a signal receiver 9 connected with the second connector 7 is installed on the other side of the top of the base 1, a display screen 10 is installed on the signal receiver 9, and an electric heating assembly 6 is fixed at the center of the top of the base 1 through a positioning frame 5;

the electric heating assembly 6 comprises a sleeve 11, a first heating wire 12, a second heating wire 13, a temperature sensor 14, a change-over switch 15, a time controller 16, a current regulation module 17 and a control box 18, wherein the sleeve 11 is fixed at the center of the top of the base 1 through a positioning frame 5, the first heating wire 12 and the second heating wire 13 are wound on the inner wall of the sleeve 11 in a crossed manner, the temperature sensor 14 is installed at the center of the inside of the sleeve 11, the control box 18 is installed at one side of the top of the sleeve 11, the change-over switch 15, the time controller 16 and the current regulation module 17 are installed inside the control box 18, the time controller 16 is electrically connected with the input end of the change-over switch 15, the output end of the change-over switch 15 is electrically connected with the first heating wire 12 and the second heating wire 13, the time controller 16 is electrically connected with the input end of the current regulation module 17, the output, the cable to be tested passes through the sleeve 11, so that two ends of the cable are respectively fixed on the first joint 4 and the second joint 7, the current input into the first heating wire 12 and the second heating wire 13 is regulated by the timing control current regulation module 17 through the arranged time controller 16, so as to regularly increase the temperature inside the sleeve 11, so that the cable works in different working environments, the temperature sensor 14 is used for monitoring the temperature, when the signal transmitted by the signal transmitter 2 cannot be transmitted to the signal receiver 9 through the test cable, the display screen 10 displays the temperature, the temperature at the moment is the heating limit of the cable, the failure of the cable can be visually judged, the temperature of the cable during the failure can be determined, the use convenience is good, the change-over switch 15 is controlled by the arranged time controller 16 to carry out the switching work of the first heating wire 12 and the second heating wire 13, the non-working heating wires can be preheated, and the service life of the electric heating assembly 6 can be effectively prolonged through the alternate work of the first heating wire 12 and the second heating wire 13.

Both ends of sleeve 11 connect soon and are fixed with thermal-insulated protective cover 19, and through-hole 20 that link up is seted up in thermal-insulated protective cover 19's center department, through the thermal-insulated protective cover 19 that sets up, can effectually prevent that the heat from giving off from the both ends of sleeve 11 to influence the accuracy of temperature test.

The sleeve 11 comprises an outer protective layer 23 and a heat insulation layer 24, wherein the outer protective layer 23 is fixedly sleeved on the outer wall of the heat insulation layer 24, and the heat insulation performance is good.

The thermal insulation layer 24 is a gypsum board layer and has good thermal insulation performance.

First joint 4 and second joint 7 all include positioning seat 21 and top tight nut 22, and positioning seat 21 is fixed respectively in the adjacent one side of first baffle 3 and second baffle 8, and positioning seat 21 top spin connects to be fixed with top tight nut 22, the quick installation and the dismantlement of the cable of being convenient for.

The utility model discloses during the use, the cable conductor that will need the test passes sleeve 11, make both ends fix respectively on first joint 4 and second joint 7, time controller 16 through setting up, the electric current of first heating wire 12 of timing control current regulation module 17 regulation input and second heating wire 13, so that regularly promote the temperature inside sleeve 11, make the cable work in different operational environment, and use temperature sensor 14 to carry out temperature monitoring, when the signal that signal transmitter 2 launches can't transmit to signal receiver 9 through the test cable, display screen 10 carries out temperature display, the temperature at this moment is the limit of being heated of cable, can audio-visually judge the inefficacy of cable, and confirm the temperature of cable when inefficacy, high durability and convenient use;

the change-over switch 15 is controlled by the arranged time controller 16 to switch the first heating wire 12 and the second heating wire 13, so that the heating wires which do not work can be preheated, and the service life of the electric heating assembly 6 can be effectively prolonged by the alternative work of the first heating wire 12 and the second heating wire 13;

through the heat insulation protective cover 19, heat can be effectively prevented from being dissipated from two ends of the sleeve 11, and therefore accuracy of temperature testing is affected.

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 cable heating characteristic test equipment, includes base (1), its characterized in that: a first partition plate (3) and a second partition plate (8) are respectively installed on two corresponding sides of the top of the base (1), a first connector (4) and a second connector (7) are respectively installed on the first partition plate (3) and the second partition plate (8), a signal transmitter (2) connected with the first connector (4) is installed on one side of the top of the base (1), a signal receiver (9) connected with the second connector (7) is installed on the other side of the top of the base (1), a display screen (10) is installed on the signal receiver (9), and an electric heating assembly (6) is fixed at the center of the top of the base (1) through a positioning frame (5);

electric heating element (6) includes sleeve (11), first heating wire (12), second heating wire (13), temperature sensor (14), change over switch (15), time controller (16), current regulation module (17) and control box (18), top center department at base (1) is fixed through locating rack (5) in sleeve (11), the inner wall cross winding of sleeve (11) has first heating wire (12) and second heating wire (13), temperature sensor (14) are installed to the inside center department of sleeve (11), control box (18) are installed to top one side of sleeve (11), the internally mounted of control box (18) has change over switch (15), time controller (16) and current regulation module (17), the input of time controller (16) electric connection change over switch (15), the first heating wire (12) of output electric connection and second heating wire (13) of change over switch (15) The time controller (16) is electrically connected with the input end of the current adjusting module (17), and the output end of the current adjusting module (17) is electrically connected with the first heating wire (12) and the second heating wire (13).

2. The cable thermal property testing apparatus according to claim 1, wherein: both ends of sleeve (11) connect soon and are fixed with thermal-insulated protective cover (19), through-hole (20) that link up are seted up to thermal-insulated protective cover (19)'s center department.

3. The cable thermal property testing apparatus according to claim 1, wherein: the sleeve (11) comprises an outer protective layer (23) and a heat insulation layer (24), wherein the outer protective layer (23) is fixedly sleeved on the outer wall of the heat insulation layer (24).

4. The cable thermal property testing apparatus according to claim 3, wherein: the insulation layer (24) is a gypsum board layer.

5. The cable thermal property testing apparatus according to claim 1, wherein: the first connector (4) and the second connector (7) respectively comprise a positioning seat (21) and a tightening nut (22), the positioning seats (21) are respectively fixed on one adjacent side of the first partition plate (3) and the second partition plate (8), and the tightening nut (22) is rotationally fixed on the positioning seats (21).