Cable resistance detection trolley

Abstract

The utility model relates to the technical field of cable detection, and discloses a cable resistance detection trolley which comprises a frame, a resistance detection box arranged on the frame, a constant temperature box, a thermolator and an air storage tank, the thermolator comprises a vortex tube, the vortex tube is connected with the air storage tank, a cold air end outlet of the vortex tube is connected with a cold air pipeline, the cold air pipeline is communicated with the constant temperature box, and the thermolator is connected with the air storage tank. A hot air pipeline is connected to a hot air end outlet of the vortex tube and is communicated with the constant-temperature box. The thermolator has the following advantages and effects that air is supplied to the vortex tube in the thermolator through the air storage tank, cold air at the cold air end of the vortex tube is used for refrigerating the constant-temperature box, hot air at the hot air end of the vortex tube and the heating function of the heating resistance wire are used for heating the constant-temperature box, and the constant-temperature box simulates the temperature of a test room detection environment; the cable resistance detection trolley can be pushed to a place where the cable resistance detection trolley needs to be used, cable resistance detection can be carried out on a production and manufacturing site, and meanwhile cable waste is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cable detection, in particular to a cable resistance detection trolley. Background Art

[0002] During the production and manufacturing process of cables, it is necessary to detect the cable resistance. There are certain requirements for the detection environment, such as temperature. Therefore, generally, a section of cable is intercepted on the production line and then sent to the laboratory for detection, which is quite time-consuming.

[0003] The Chinese invention patent with the authorization announcement number CN101706530B discloses a device and method for on-line detection of the direct current resistance of a cable conductor. It detects the cable conductor in water and is not affected by factors such as air temperature. Although the above invention patent uses water to isolate the air to realize the detection of the direct current resistance of the cable on a moving trolley, the detection environment is still not the detection environment in the laboratory. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cable resistance detection trolley, which has the effects of using a constant temperature box to simulate the temperature in the laboratory and being convenient to move to the required position for detection.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: A cable resistance detection trolley includes a vehicle frame, a resistance detection box, a constant temperature box, a temperature regulator, and an air storage tank arranged on the vehicle frame. The temperature regulator includes a vortex tube, the vortex tube is connected to the air storage tank, the cold air end outlet of the vortex tube is connected to a cold air pipeline, the cold air pipeline is communicated with the constant temperature box, the hot air end outlet of the vortex tube is connected to a hot air pipeline, and the hot air pipeline is communicated with the constant temperature box.

[0006] By adopting the above technical solutions, the constant temperature box is used to simulate the temperature in the laboratory, and the air storage tank is used to provide compressed air for the vortex tube in the temperature regulator. When refrigeration is required, the cold air at the cold air end of the vortex tube enters the constant temperature box along the cold air pipeline for refrigeration, and the hot air at the hot air end of the vortex tube is directly discharged.

[0007] When heating is required, the cold air at the cold air end of the vortex tube is directly discharged, and the hot air at the hot air end of the vortex tube enters the constant temperature box along the hot air pipeline to complete heating.

[0008] Inside the resistance detection box are various required detection components.

[0009] The further setting of the utility model is: The cold air pipeline includes a cold air discharge port and a cold air inlet branch pipe. The cold air inlet branch pipe is connected to the constant temperature box. A first valve is installed on the cold air inlet branch pipe, and a second valve is installed on the cold air discharge port.

[0010] By adopting the above technical solution, the cold air discharge port is used to directly discharge cold air into the air, and the cold air inlet branch pipe is used to transport cold air into the constant temperature box.

[0011] A further setting of the present utility model is that: the hot air pipeline includes a hot air discharge port and a hot air inlet branch pipe. A third valve is installed on the hot air inlet branch pipe, and a fourth valve is installed on the hot air discharge port.

[0012] By adopting the above technical solution, the hot air discharge port is used to directly discharge hot air into the air, and the hot air inlet branch pipe is used to transport hot air into the constant temperature box.

[0013] A further setting of the present utility model is that: a heating resistance wire is installed on the hot air pipeline.

[0014] By adopting the above technical solution, after the heating resistance wire is electrified, it can heat the air flow to achieve the function of auxiliary heating.

[0015] A further setting of the present utility model is that: a conductor holder is provided inside the constant temperature box.

[0016] By adopting the above technical solution, the conductor holder is used to hold a conductor.

[0017] A further setting of the present utility model is that: the constant temperature box is located above the gas storage tank.

[0018] A further setting of the present utility model is that: the vehicle frame includes a lower frame body and an upper frame body. The constant temperature box is located on the upper frame body, and the gas storage tank is located on the lower frame body.

[0019] By adopting the above technical solution, the structure is compact, the volume is small, and it is convenient to move.

[0020] A further setting of the present utility model is that: the resistance detection box is located on the lower frame body.

[0021] A further setting of the present utility model is that: the resistance detection box is equipped with a DC power supply.

[0022] A further setting of the present utility model is that: a plurality of casters are installed at the bottom of the vehicle frame, and an operation button and an operation panel are installed on the vehicle frame.

[0023] By adopting the above technical solution, it is convenient to move the trolley. The tester can operate through the operation button and the operation panel.

[0024] The beneficial effects of the present utility model are as follows: The present invention supplies air to the vortex tube in the temperature regulator through an air storage tank, uses the cold air at the cold air end of the vortex tube to refrigerate the constant temperature box, uses the hot air at the hot air end of the vortex tube and the heating function of the heating resistance wire to heat the constant temperature box, and simulates the temperature of the test environment in the constant temperature box. The cable resistance detection trolley can be pushed to the place where it is needed, enabling cable resistance detection to be carried out at the production and manufacturing site, and reducing cable waste at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0026] Figure 1 is a schematic structural diagram of the present utility model.

[0027] Figure 2 is a schematic structural diagram of the vortex tube of the present utility model.

[0028] In the figure, 1 is the vehicle frame; 11 is the upper frame body; 12 is the lower frame body; 13 is the caster; 2 is the resistance detection box; 3 is the constant temperature box; 4 is the temperature regulator; 41 is the vortex tube; 411 is the cold air end; 412 is the hot air end; 413 is the compressed air inlet; 5 is the air storage tank; 6 is the conductor holder; 7 is the operation button; 8 is the operation panel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0030] A cable resistance detection trolley, as From Figure 1 to Figure 2 shown, includes a vehicle frame 1, a resistance detection box 2, a constant temperature box 3, a temperature regulator 4, and an air storage tank 5 arranged on the vehicle frame 1. The temperature regulator 4 includes a vortex tube 41. The vortex tube 41 is connected to the air storage tank 5. The outlet of the cold air end 411 of the vortex tube 41 is connected to a cold air pipeline, and the cold air pipeline is communicated with the constant temperature box 3. The outlet of the hot air end 412 of the vortex tube 41 is connected to a hot air pipeline, and the hot air pipeline is communicated with the constant temperature box 3. The vortex tube 41 is also provided with a compressed air inlet 413 for connecting to the air storage tank 5 through a pipeline.

[0031] Further, the cold air pipeline includes a cold air discharge port and a cold air intake branch pipe. The cold air intake branch pipe is connected to the constant temperature box 3, and a first valve is installed on the cold air intake branch pipe, and a second valve is installed on the cold air discharge port.

[0032] Further, the hot air pipeline includes a hot air discharge port and a hot air intake branch pipe. A third valve is installed on the hot air intake branch pipe, and a fourth valve is installed on the hot air discharge port.

[0033] Further, a heating resistance wire is installed on the hot air pipeline.

[0034] Further, a conductor holder 6 is provided inside the constant temperature box 3.

[0035] Further, the constant temperature box 3 is located above the gas storage tank 5.

[0036] Further, the vehicle frame 1 includes a lower frame body 12 and an upper frame body 11. The constant temperature box 3 is located on the upper frame body 11, and the gas storage tank 5 is located on the lower frame body 12.

[0037] Further, the resistance detection box 2 is located on the lower frame body 12.

[0038] Further, the resistance detection box 2 is equipped with a DC power supply.

[0039] Further, a number of casters 13 are installed at the bottom of the vehicle frame 1, and an operation button 7 and an operation panel 8 are installed on the vehicle frame 1.

[0040] Working principle: The constant temperature box 3 is used to simulate the laboratory temperature, and the gas storage tank 5 is used to provide compressed air for the vortex tube 41 in the temperature regulator 4. When refrigeration is required, the first valve is opened, the second valve is closed, the third valve is closed, and the fourth valve is opened. The cold air at the cold air end 411 of the vortex tube 41 enters the constant temperature box 3 along the cold air pipeline for refrigeration, and the hot air at the hot air end 412 of the vortex tube 41 is directly discharged.

[0041] When heating is required, the first valve is closed, the second valve is opened, the third valve is opened, and the fourth valve is closed. The cold air at the cold air end 411 of the vortex tube 41 is directly discharged, and the hot air at the hot air end 412 of the vortex tube 41 enters the constant temperature box 3 along the hot air pipeline to complete heating.

Claims

1. A cable resistance detection trolley, characterized in that: It includes a vehicle frame (1), a resistance detection box (2), a constant temperature box (3), a temperature regulator (4), and an air storage tank (5) provided on the vehicle frame (1). The temperature regulator (4) includes a vortex tube (41). The vortex tube (41) is connected to the air storage tank (5). An outlet of a cold air end (411) of the vortex tube (41) is connected to a cold air pipeline, and the cold air pipeline is communicated with the constant temperature box (3). An outlet of a hot air end (412) of the vortex tube (41) is connected to a hot air pipeline, and the hot air pipeline is communicated with the constant temperature box (3).

2. The cable resistance detection trolley according to claim 1, wherein: The cold air pipeline includes a cold air discharge port and a cold air inlet branch pipe. The cold air inlet branch pipe is connected to the constant temperature box (3), and a first valve is installed on the cold air inlet branch pipe. A second valve is installed on the cold air discharge port.

3. The cable resistance detection trolley according to claim 1, characterized in that: The hot air pipeline includes a hot air discharge port and a hot air inlet branch pipe. A third valve is installed on the hot air inlet branch pipe, and a fourth valve is installed on the hot air discharge port.

4. A cable resistance detection trolley according to claim 1 or 3, characterized in that: A heating resistance wire is installed on the hot air pipeline.

5. The cable resistance detection trolley according to claim 1, characterized in that: A conductor holder (6) is provided in the constant temperature box (3).

6. The cable resistance detection trolley according to claim 1, characterized in that: The constant temperature box (3) is located above the air storage tank (5).

7. A cable resistance detection trolley according to claim 1 or 6, characterized in that: The vehicle frame (1) includes a lower frame body (12) and an upper frame body (11). The constant temperature box (3) is located on the upper frame body (11), and the air storage tank (5) is located on the lower frame body (12).

8. The cable resistance detection trolley according to claim 7, wherein: The resistance detection box (2) is located on the lower frame body (12).

9. The cable resistance detection trolley according to claim 1, wherein: The resistance detection box (2) is equipped with a DC power supply.

10. The cable resistance detection trolley according to claim 1, characterized in that: A plurality of casters (13) are installed at the bottom of the vehicle frame (1), and an operation button (7) and an operation panel (8) are installed on the vehicle frame (1).

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