Electric pressure box for heat tracing band test

Abstract

The utility model, which relates to the technical field of the voltage box used for the heat tracing band test, discloses a voltage box used for the heat tracing band test, the voltage box comprises a box body, specifically, the inner top wall and the inner bottom wall of the box body are respectively provided with a first chute, the number of the first chutes is two, the first chutes are distributed in the box body in a bilateral symmetry manner, and the first chutes are L-shaped; a second box door is slidably connected to the inner wall of the first sliding groove in the left side, a first box door is slidably connected to the inner wall of the first sliding groove in the right side, handles are fixedly connected to the front faces of the first box door and the second box door, a clamping base is fixedly connected to the front face of the first box door, and the right side wall of the clamping base is flush with the right side wall of the first box door. A first chamber and a second chamber are formed in the right side wall of the clamping seat, a partition plate is arranged between the first chamber and the second chamber, and a through hole is formed in the middle of the partition plate.

Description

Technical Field

[0001] The utility model relates to the technical field of a voltage box for testing a heating belt, in particular to a voltage box for testing a heating belt. Background Art

[0002] The electric heating cable is composed of a conductive polymer and two parallel metal wires and an insulating sheath. When the electric heating cable is tested and used, an electric heating voltage box is needed to control the temperature of the electric heating cable and the flow of current. The heating cable is an effective solution for pipe insulation and antifreeze. Due to the advantages of high thermal efficiency, energy saving, simple design, convenient construction and installation, no pollution, long service life, remote control and automatic control, the heating cable has been widely used and is the technical development direction to replace steam and hot water heating. The electric heating cable is composed of a conductive polymer and two parallel metal wires and an insulating sheath. Its characteristics are that the conductive polymer has a very high positive temperature coefficient characteristic, and is connected in parallel with each other. It can automatically adjust the output power and automatically limit the heating temperature as the temperature of the heated system changes. It can be arbitrarily shortened or extended within a certain range, and multiple cross-overlapping is allowed without the worry of high temperature hot spots and burning. The tail end of the heating cable is a sealed section, which needs to be sealed during the installation process. When the tail end is damp, it is easy to cause a short circuit and fire.

[0003] A high-precision electric heating control box disclosed in the Chinese utility model patent application disclosure CN216820105U solves the problem of accurate temperature control, but the high-precision electric heating control box still has the following disadvantages: First, when testing and using the heating tape, it is necessary to frequently open the voltage box door, and when opening the door, it is necessary to find the key, which takes a long time and delays the test time; second, when testing the heating tape, it is necessary to insert the tail end of the heating tape into the fuse box, and most fuse boxes are fastened with bolts, and it is troublesome to find tools when installing and removing the heating tape, which is not conducive to use. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a voltage box for testing heating cables, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a voltage box for testing heating tapes, comprising a box body, an inner top wall and an inner bottom wall of the box body are both provided with a first slide groove, there are two groups of the first slide grooves, the first slide grooves are symmetrically distributed on the box body, the first slide groove is L-shaped, the inner wall of the left first slide groove is slidably connected to the second box door, the inner wall of the right first slide groove is slidably connected to the first box door, the front sides of the first box door and the second box door are both fixedly connected with handles, the front side of the second box door is fixedly connected with a holder, the right side wall of the holder is flush with the right side wall of the second box door, the holder is square, the right side wall of the holder is provided with a first chamber and a second chamber, a partition is provided in the middle of the first chamber and the second chamber, and a through hole is provided in the middle of the partition.

[0008] Optionally, a fixing plate is fixedly connected to the back of the box body, the box body is square, the length and width of the fixing plate are larger than the box body, and bolt holes are opened on the front of the fixing plate. There are eight bolt holes, and the bolt holes are evenly distributed around the fixing plate and in four corners.

[0009] Optionally, the inner wall of the through hole is slidably connected to a mating end, the bottom of the mating end is wedge-shaped with the left side lower and the right side higher, the top of the mating end is fixedly connected to a pressure plate, the pressure plate is located inside the first chamber, the pressure plate is slidably connected to the inner wall of the first chamber, the top of the pressure plate is fixedly connected to a first spring, and the top of the first spring is fixedly connected to the inner top wall of the first chamber.

[0010] Optionally, a fixing rod is fixedly connected to the front of the first door, and the fixing rod is located on the left half of the first door. A clamping end is fixedly connected to the left side wall of the fixing rod, and the shape of the left side wall of the clamping end is consistent with the bottom of the mating end. The clamping end and the fixing rod are both slidably connected to the inner wall of the second chamber.

[0011] Optionally, a base is fixedly installed on the inner wall of the box, and heat dissipation holes are opened on the left and right inner walls of the box, and the heat dissipation holes are located on the lower half of the box. An automatic transformer and a controller are fixedly installed on the front of the base, and the bottom wires of the controller are connected to a temperature sensor. The electrical equipment inside the box are all connected to the external power supply wires, and a test connector fuse box is fixedly connected to the bottom of the base.

[0012] Optionally, the test joint fuse box is square, a heating tape is inserted into the top of the test joint fuse box, the left and right side walls of the box are fixedly connected with electric telescopic rods, the telescopic ends of the electric telescopic rods are fixedly connected with fixed seats, the width of the fixed seat is larger than the diameter of the heating tape, a second slide groove is opened on the inner wall of the fixed seat, the second slide groove is T-shaped, there are two groups of the second slide grooves, and the second slide grooves are symmetrically distributed front and back on the fixed seat.

[0013] Optionally, a block is slidably connected to the inner wall of the second slide groove, and the side of the block away from the electric telescopic rod is arc-shaped. The inner wall of the fixed seat is fixedly connected to a second spring. There are two groups of second springs, and the second springs are symmetrically distributed on the fixed seat in the upper and lower parts. The other end of the second spring is fixedly connected to the inner wall of the block. The block and the heating belt are located at the same horizontal position, and the material of the block is rubber.

[0014] (III) Beneficial effects

[0015] The utility model provides a voltage box for testing heating cables, which has the following beneficial effects:

[0016] 1. The voltage box for testing the heating tape has a setting of a card holder fixedly connected to the front of the second box door, so that the voltage box for testing the heating tape has the effect of conveniently opening the voltage box door, providing convenience for the heating tape test and saving time. Through the matching setting of the matching end and the card connection end, the first box door and the second box door can be quickly opened or closed during use, thereby facilitating the opening of the voltage box door and achieving the purpose of providing convenience for the heating tape test and saving time.

[0017] 2. The voltage box for testing the heating tape can quickly install or remove the heating tape while tightening the tail end of the heating tape by setting the clamp block as rubber, thereby saving time and facilitating the testing of the heating tape. The matching setting of the clamp block, the electric telescopic rod and the second spring can prevent the heating tape from falling off easily during use, thereby avoiding test data deviation caused by the falling off of the heating tape during the test, and can quickly fix the heating tape. The setting of the clamp block as rubber can avoid bending damage to the heating tape due to the strong rebound force of the second spring, thereby achieving the effect of quickly installing or removing the heating tape while tightening the tail end of the heating tape, thereby saving time and facilitating the testing of the heating tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the entire utility model;

[0019] Figure 2 It is the overall front view of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the interior of the box of the utility model;

[0021] Figure 4 This is a schematic diagram of the interior of the card holder of the utility model;

[0022] Figure 5 This is a schematic diagram of the front interior of the box of the utility model;

[0023] Figure 6 This is a schematic diagram of the top of the fixing seat of the utility model;

[0024] Figure 7 It is a schematic diagram of the right side of the second chute of the utility model.

[0025] In the figure: 1. box body; 2. fixing plate; 3. bolt hole; 4. heat dissipation port; 5. handle; 6. first box door; 7. second box door; 8. first slide slot; 9. holder; 10. fixing rod; 11. clamping end; 12. first chamber; 13. second chamber; 14. partition; 15. mating end; 16. pressure plate; 17. first spring; 18. base; 19. controller; 20. temperature sensor; 21. automatic transformer; 22. test joint fuse box; 23. heating belt; 24. electric telescopic rod; 25. fixing seat; 26. second spring; 27. second slide slot; 28. block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Embodiment 1:

[0028] See also Figures 1 to 4The utility model provides a technical solution: a voltage box for testing a heating tape, comprising a box body 1, the inner top wall and the inner bottom wall of the box body 1 are both provided with a first slide groove 8, the first slide groove 8 has two groups, the first slide groove 8 is symmetrically distributed on the box body 1, the first slide groove 8 is L-shaped, the inner wall of the left first slide groove 8 is slidably connected with the second box door 7, the inner wall of the right first slide groove 8 is slidably connected with the first box door 6, the front of the first box door 6 and the second box door 7 are both fixedly connected with a handle 5, the front of the second box door 7 is fixedly connected with a holder 9, the right side wall of the holder 9 is flush with the right side wall of the second box door 7, the holder 9 is square, the right side wall of the holder 9 is provided with a first chamber 12 and a second chamber 13, a partition 14 is provided in the middle of the first chamber 12 and the second chamber 13, a through hole is provided in the middle of the partition 14, the back of the box body 1 is fixedly connected with a fixing plate 2, the box body 1 is square, and the length and width of the fixing plate 2 are The bolt holes 3 are all larger than the box body 1. The front of the fixing plate 2 is provided with bolt holes 3. There are eight bolt holes 3. The bolt holes 3 are evenly distributed around the fixing plate 2 and at four corners. The inner wall of the through hole is slidably connected with a mating end 15. The bottom of the mating end 15 is wedge-shaped with the left side lower and the right side higher. The top of the mating end 15 is fixedly connected with a pressing plate 16. The pressing plate 16 is located inside the first chamber 12. The pressing plate 16 is slidably connected to the inner wall of the first chamber 12. The top of the pressing plate 16 is fixedly connected with a first spring 17. The top of the first spring 17 is fixedly connected to the inner top wall of the first chamber 12. The front of the first box door 6 is fixedly connected with a fixing rod 10. The fixing rod 10 is located on the left half of the first box door 6. The left side wall of the fixing rod 10 is fixedly connected with a clamping end 11. The shape of the left side wall of the clamping end 11 is consistent with the bottom of the mating end 15. The clamping end 11 and the fixing rod 10 are both slidably connected to the inner wall of the second chamber 13.

[0029] When in use, when testing and using the heating tape 23, it is necessary to frequently open the voltage box door, and when opening the box door, it is necessary to find a key, which takes a long time and delays the test time. Therefore, there is a voltage box for testing the heating tape. When the voltage box needs to be used to test the heating tape 23, the pressure plate 16 is toggled to slide upward inside the first chamber 12, and the first spring 17 contracts, driving the mating end 15 to move from the second chamber 13 to the first chamber 12. At this time, the handle 5 on the front of the first box door 6 and the second box door 7 is pulled, so that the first box door 6 and the second box door 7 are closed. The box doors 7 move to both sides along the first slide groove 8 respectively, the box body 1 is opened, and the heating tape 23 test is started. The front of the second box door 7 is fixedly connected with the card holder 9, so that the voltage box used for the heating tape test has the effect of convenient opening of the voltage box door, providing convenience for the heating tape 23 test and saving time. Through the matching setting of the matching end 15 and the card connection end 11, the first box door 6 and the second box door 7 can be quickly opened or closed during use, thereby facilitating the opening of the voltage box door and achieving the purpose of providing convenience for the heating tape 23 test and saving time.

[0030] Embodiment 2:

[0031] See also Figures 1 to 7 The utility model provides a technical solution: a voltage box for testing a heating tape, wherein a base 18 is fixedly installed on the inner wall of a box body 1, and heat dissipation ports 4 are provided on the inner walls of the left and right sides of the box body 1, and the heat dissipation ports 4 are located on the lower half of the box body 1, and an automatic transformer 21 and a controller 19 are fixedly installed on the front of the base 18, and a temperature sensor 20 is connected to the bottom wire of the controller 19, and the electrical equipment inside the box body 1 is connected to the external power supply wire, and a test joint fuse box 22 is fixedly connected to the bottom of the base 18, and the test joint fuse box 22 is square, and a heating tape 23 is plugged into the top of the test joint fuse box 22, and an electric telescopic rod 24 is fixedly connected to the left and right side walls of the box body 1, and the telescopic The end is fixedly connected with a fixing seat 25, the width of the fixing seat 25 is larger than the diameter of the heating belt 23, the inner wall of the fixing seat 25 is provided with a second slide groove 27, the second slide groove 27 is T-shaped, there are two groups of second slide grooves 27, the second slide grooves 27 are symmetrically distributed in the front and rear of the fixing seat 25, the inner wall of the second slide groove 27 is slidably connected with a clamping block 28, the side of the clamping block 28 away from the electric telescopic rod 24 is in an arc shape, the inner wall of the fixing seat 25 is fixedly connected with a second spring 26, there are two groups of second springs 26, the second springs 26 are symmetrically distributed in the upper and lower parts of the fixing seat 25, the other end of the second spring 26 is fixedly connected to the inner side wall of the clamping block 28, the clamping block 28 and the heating belt 23 are located at the same horizontal position, and the material of the clamping block 28 is rubber.

[0032] When in use, when testing the heating tape 23, it is necessary to insert the tail 23 end of the heating tape into the fuse box, and most fuse boxes are fastened with bolts. It is troublesome to find tools when installing and removing the heating tape 23, which is not conducive to use. Therefore, there is a voltage box for testing the heating tape. When testing the heating tape 23, the heating tape 23 is first inserted into the top of the test joint fuse box 22, and then the telescopic ends of the two electric telescopic rods 24 are extended, so that the fixing seat 25 drives the block 28 to move from both sides to the middle. When the block 28 contacts the heating tape 23, the block 28 moves from the middle to the outside along the second slide groove 27, and the second spring 26 contracts. At the same time, due to the resilience of the second spring 26, the heating tape 23 is squeezed, thereby fixing the tail end of the heating tape 23. Because the material of the block 28 is rubber, the friction between the block 28 and the heating tape 23 can be increased, so that the heating tape 23 can be better fixed, and at the same time, it can In order to avoid the heating belt 23 being damaged due to excessive squeezing force, the material of the clamping block 28 is set as rubber, so that the voltage box used for heating belt testing can quickly install or remove the heating belt 23 while tightening the tail end of the heating belt 23, saving time and facilitating the testing of the heating belt 23. Through the coordinated setting of the clamping block 28, the electric telescopic rod 24 and the second spring 26, the heating belt 23 will not fall off easily during use, avoiding the deviation of test data caused by the falling of the heating belt 23 during the test, and the heating belt 23 can be quickly fixed. The material of the clamping block 28 is set as rubber, which can avoid bending damage to the heating belt 23 caused by the large rebound force and clamping force of the second spring 26, thereby achieving the effect of quickly installing or removing the heating belt 23 while tightening the tail end of the heating belt 23, saving time and facilitating the testing of the heating belt 23.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A voltage box for testing a heating cable, comprising a box body (1), characterized in that: The inner top wall and the inner bottom wall of the box body (1) are both provided with a first slide groove (8), the first slide groove (8) has two groups, the first slide groove (8) is symmetrically distributed on the box body (1), the first slide groove (8) is L-shaped, the inner wall of the left first slide groove (8) is slidably connected to the second box door (7), the inner wall of the right first slide groove (8) is slidably connected to the first box door (6), the front of the first box door (6) and the second box door (7) are both fixedly connected with a handle (5), the front of the second box door (7) is fixedly connected with a card seat (9), the right side wall of the card seat (9) is flush with the right side wall of the second box door (7), the card seat (9) is square, the right side wall of the card seat (9) is provided with a first chamber (12) and a second chamber (13), a partition (14) is provided in the middle of the first chamber (12) and the second chamber (13), and a through hole is provided in the middle of the partition (14).

2. A voltage box for testing heating cables according to claim 1, characterized in that: A fixing plate (2) is fixedly connected to the back of the box body (1); the box body (1) is square in shape; the length and width of the fixing plate (2) are both larger than the box body (1); and bolt holes (3) are provided on the front of the fixing plate (2); there are eight bolt holes (3) which are evenly distributed around the fixing plate (2) and at four corners.

3. A voltage box for testing heating cables according to claim 1, characterized in that: The inner wall of the through hole is slidably connected to a mating end (15), the bottom of the mating end (15) is wedge-shaped with the left side lower and the right side higher, the top of the mating end (15) is fixedly connected to a pressure plate (16), the pressure plate (16) is located inside the first chamber (12), the pressure plate (16) is slidably connected to the inner wall of the first chamber (12), the top of the pressure plate (16) is fixedly connected to a first spring (17), the top of the first spring (17) is fixedly connected to the inner top wall of the first chamber (12).

4. A voltage box for testing heating cables according to claim 3, characterized in that: A fixing rod (10) is fixedly connected to the front of the first door (6), and the fixing rod (10) is located on the left half of the first door (6). A clamping end (11) is fixedly connected to the left side wall of the fixing rod (10), and the shape of the left side wall of the clamping end (11) is consistent with the bottom of the matching end (15). The clamping end (11) and the fixing rod (10) are both slidably connected to the inner wall of the second chamber (13).

5. A voltage box for testing heating cables according to claim 1, characterized in that: A base (18) is fixedly mounted on the inner wall of the box (1), and heat dissipation ports (4) are provided on the left and right inner walls of the box (1), and the heat dissipation ports (4) are located on the lower half of the box (1). An automatic transformer (21) and a controller (19) are fixedly mounted on the front of the base (18), and a temperature sensor (20) is connected to the bottom wire of the controller (19). All electrical equipment inside the box (1) is connected to an external power supply wire, and a test connector fuse box (22) is fixedly connected to the bottom of the base (18).

6. A voltage box for testing heating cables according to claim 5, characterized in that: The test joint fuse box (22) is square in shape, a heating belt (23) is inserted at the top of the test joint fuse box (22), the left and right side walls of the box body (1) are fixedly connected with electric telescopic rods (24), the telescopic end of the electric telescopic rod (24) is fixedly connected with a fixing seat (25), the width of the fixing seat (25) is greater than the diameter of the heating belt (23), the inner wall of the fixing seat (25) is provided with a second slide groove (27), the second slide groove (27) is T-shaped, there are two groups of the second slide grooves (27), and the second slide grooves (27) are symmetrically distributed front and back on the fixing seat (25).

7. A voltage box for testing heating cables according to claim 6, characterized in that: The inner wall of the second slide groove (27) is slidably connected with a block (28), and the side of the block (28) away from the electric telescopic rod (24) is in an arc shape. The inner wall of the fixed seat (25) is fixedly connected with a second spring (26), and the second spring (26) has two groups. The second springs (26) are symmetrically distributed on the fixed seat (25) up and down. The other end of the second spring (26) is fixedly connected to the inner wall of the block (28), and the block (28) and the heating belt (23) are located at the same horizontal position. The material of the block (28) is rubber.

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