Cable heat fuser

Abstract

The present invention belongs to the technical field of cable connection, and discloses a cable hot melter, including: a pair of heating blocks, each of which is equipped with a mold, and the two molds are used to fix the cables to be hot-melted; an adjustment frame, on which the two heating blocks are both installed, and the adjustment frame is used to adjust the distance between the two heating blocks; after the distance between the two heating blocks is reduced, the cables to be hot-melted are clamped between the two molds; a heating control unit, which is electrically connected to the heating blocks and is used to perform constant temperature control on the heating temperature of the heating blocks. The present invention places the cables to be hot-melted between the two molds, positions them by the molds, and then uses the heating control unit to control the heating blocks to perform constant temperature heating, so that the tape on the cable connector is hot-melted; it effectively solves the serious safety hazards of easy debonding and aging debonding causing leakage and fire in traditional connection methods, so that the cable sheath is integrated and gap-free, and the safety and stability of the cable connection are fully guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of cable connection, and in particular relates to a cable hot melter. Background Art

[0002] A cable is made of one or more mutually insulated conductors and an outer insulating protective layer. It is a wire that transmits electricity or information from one place to another. During the installation and construction of the cable, due to different construction scenarios, the required cable length is different, so there is a situation where multiple sections of cable need to be connected.

[0003] After two sections of cable are connected, the cable joints are often wrapped with insulating tape to ensure the safety of the joints. However, as the insulating tape ages or the adhesive fails, it is easy for the adhesive to come apart, resulting in insulation failure, which in turn causes safety problems such as leakage and fire. Summary of the invention

[0004] The purpose of the present invention is to provide a cable heat fuse to solve the problem that the existing connection method of insulating tape is prone to debonding due to aging or adhesion failure of the tape, resulting in insulation failure.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: In a first aspect, the present invention provides a cable thermal fuse, comprising: A pair of heating blocks, each of which is provided with a mold, and the two molds are used to fix the cables to be hot-melted; An adjustment frame, on which both heating blocks are mounted, and the adjustment frame is used to adjust the distance between the two heating blocks; after the distance between the two heating blocks is reduced, the cable to be hot-melted is clamped between the two molds; A heating control unit is electrically connected to the heating block and is used to perform constant temperature control on the heating temperature of the heating block.

[0006] Preferably, each of the molds comprises: a connecting cover, which is sleeved on the end of the heating block, and the end surface of the connecting cover is provided with a through groove along the diameter direction, and the radial cross section of the through groove is arc-shaped.

[0007] Preferably, the end surface of the connecting cover is made of heat-conducting material.

[0008] Preferably, a locking screw is provided on the connection cover, a positioning screw hole is provided on the outer wall of the heating block, and the locking screw is threaded into the positioning screw hole.

[0009] Preferably, the adjustment frame comprises: a base and a U-shaped frame arranged on the base, a first transverse connecting rod is fixedly connected to one side of the top of the U-shaped frame, and one of the heating blocks is fixedly connected to the first connecting rod; A horizontal guide tube is provided on the other side of the top of the U-shaped frame. The guide tube is passed through the top of the U-shaped frame. A second connecting rod is inserted into the guide tube. One end of the second connecting rod is fixedly connected to another heating block, and a handle is provided on the other end of the second connecting rod.

[0010] Preferably, the second connecting rod comprises two sections of rod body, another heating block is connected to one end of the first section of rod body, and the first section of rod body is slidably connected in the guide tube, the other end of the first section of rod body is rotatably connected to one end of the second section of rod body, and the handle is installed on the other end of the second section of rod body; The outer wall of the second section of the rod body is provided with an external thread, the inner wall of the guide tube is provided with an internal thread, and the second section of the rod body is threadedly connected in the guide tube.

[0011] Preferably, the heating control unit comprises: a control box, a main control board arranged in the control box, and a temperature sensor, wherein the control box is mounted on an adjustment frame; the main control board comprises: Thermostat; A power supply module, the power supply terminals of the two heating blocks are connected in parallel to the positive and negative electrodes of the power supply module, and the positive and negative electrodes of the power supply module are also electrically connected to the power supply terminals of the temperature controller; A contactor, wherein the coil of the contactor is electrically connected to the control output terminal of the temperature controller; a switch of the contactor is connected in series to the power supply circuit between the two heating blocks and the power module; when the switch is closed, the two heating blocks are connected to the power module at the same time, and when the switch is opened, the two heating blocks are disconnected from the power module at the same time; The temperature sensor is installed on one of the heating blocks, and the signal output ends of the temperature sensor are electrically connected to the signal input ends of the temperature controller respectively.

[0012] Preferably, a fuse is connected in series on the power supply circuit between the two heating blocks and the power module.

[0013] Beneficial effects: 1. The present invention places the cable to be hot-melted between two molds, positions it by the molds, and then uses the heating control unit to control the heating block to perform constant temperature heating to melt the tape on the cable connector; effectively solves the serious safety hazards of easy debonding and aging debonding in traditional connection methods, which can cause leakage and fire, and makes the cable sheath as a whole fused without gaps, comprehensively ensuring the safety and stability of cable connection, and reducing the degree of threat to life and property and the risk of damage to power equipment; 2. The present invention can significantly improve the reliability and durability of the cable system, reduce the incidence of power accidents caused by cable joint failures, ensure the continuity and stability of power transmission and distribution, and provide strong support for the stable operation of the power system; 3. The present invention helps to reduce power maintenance costs and maintenance workload, reduce manpower and material investment caused by joint problems; improve the overall efficiency and quality of power transmission and distribution, improve the utilization efficiency of power resources, and promote the efficient operation and development of the power industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the embodiments of the present invention and constitute a part of the specification. Together with the following specific implementations, they are used to explain the embodiments of the present invention, but do not constitute a limitation on the embodiments of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall structure of a cable hot melter provided in one embodiment of the present invention; Figure 2 The schematic diagram of the main control board of a cable heat fuser provided in one embodiment of the present invention.

[0015] Description of reference numerals: 1. Heating block; 2. Connecting cover; 3. Through slot; 4. Locking screw; 5. Base; 6. U-shaped frame; 7. First connecting rod; 8. Guide tube; 9. Second connecting rod; 10. Handle; 11. Control box; 12. Temperature sensor; 13. Temperature controller; 14. Power module; 15. Contactor; 16. Switch; 17. Fuse. DETAILED DESCRIPTION

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0017] Embodiment 1 Figure 1 FIG. 1 is a flow chart of a cable hot melter provided by one embodiment of the present invention. Figure 1 As shown, this embodiment provides a cable heat fuser, comprising: a pair of heating blocks 1, an adjustment frame and a heating control unit; The two heating blocks 1 are mounted on the adjustment frame, and the two heating blocks 1 are arranged opposite to each other. A mold is mounted on each of the heating blocks 1, and the two molds are used to fix the cables to be hot-melted; that is, after the two molds are closed, the cables to be hot-melted can be clamped, and when the two molds are separated, the clamped cables can be taken out; the mold clamping method can adapt to cables of different diameters, thereby improving the practicality of the cable hot melter; The adjustment frame is used to adjust the distance between the two heating blocks 1; after the distance between the two heating blocks 1 is reduced, the cable to be hot-melted is clamped between the two molds; The heating control unit is electrically connected to the heating block 1 and is used to perform constant temperature control on the heating temperature of the heating block 1 .

[0018] In this embodiment, the steps of performing a hot-melt operation on the hot-melt cable are as follows: 1. After the two cable ends are connected, wrap the outer skin of the connector with raw tape; 2. Separate the two molds by adjusting the adjustment frame, and then put the joint after the raw tape is wrapped between the two molds; then adjust the adjustment frame to close the two molds and clamp the joint between the two molds; 3. Use the heating control unit to start the heating block 1 for heating, and the heat generated by the heating block 1 melts the raw tape; in this embodiment, the heating temperature of the heating block is set to 100°C~105°C by utilizing the difference between the melting point of the raw tape and the melting point of the insulating rubber (sheath) of the cable itself, at which time the raw tape begins to melt; within this temperature range, the sheath of the cable will not melt, and after the raw tape is melted, it becomes one with the sheath of the cable, thereby improving the reliability and stability of the connection; 4. After the preset heating time, control the heating block 1 to stop heating. After the temperature of the heating block 1 drops to a suitable temperature, adjust the adjustment frame to separate the two molds and take out the hot-melt treated cable.

[0019] Through the above-mentioned hot-melt operation, the serious safety hazards of traditional connection methods such as easy debonding and aging debonding causing leakage and fire can be effectively solved, so that the cable sheath is integrated and gapless, and the safety and stability of the cable connection is fully guaranteed, reducing the degree of threat to life and property and the risk of damage to power equipment; it can also significantly improve the reliability and durability of the cable system, reduce the incidence of power accidents caused by cable joint failures, ensure the continuity and stability of power transmission and distribution, and provide strong support for the stable operation of the power system; secondly, it helps to reduce power maintenance costs and maintenance workload, and reduce manpower and material investment caused by joint problems; improve the overall efficiency and quality of power transmission and distribution, improve the utilization efficiency of power resources, and promote the efficient operation and development of the power industry.

[0020] As a further optimization of this embodiment, each of the molds includes: a connecting cover 2, which is sleeved on the end of the heating block 1, and the end face of the connecting cover is provided with a through groove 3 along the diameter direction, and the radial cross-section of the through groove 3 is arc-shaped.

[0021] In this embodiment, the arc-shaped through groove 3 can be used to position the cable clamping position, so that the cable is always kept in the diameter direction of the heating block 1, which can not only accurately fix the cable to ensure that the cable position remains stable during the hot melting operation; at the same time, it can also make the cable heated evenly and improve the quality of hot melting.

[0022] As a further optimization of this embodiment, the end surface of the connection cover 2 is made of a heat-conducting material, such as a copper material, which has good thermal conductivity and is conducive to rapid heating of the cable.

[0023] As a further optimization of this embodiment, when the diameter of the cable is too large or too small, the curvature of the through groove 3 will affect the fixation stability of the cable; therefore, a locking screw 4 is provided on the connecting cover 2, and a positioning screw hole (not shown in the drawings) is provided on the outer wall of the heating block 1, and the locking screw 4 is screwed into the positioning screw hole; at this time, the connecting cover 2 can be disassembled and replaced with through grooves 3 of different curvatures to adapt to cables of different diameters.

[0024] As a further optimization of this embodiment, the adjustment frame includes: a base 5 and a U-shaped frame 6 arranged on the base 5, a first horizontal connecting rod 7 is fixedly connected to one side of the top of the U-shaped frame 6, and one of the heating blocks 1 is fixedly connected to the first connecting rod 7; A horizontal guide tube 8 is provided on the other side of the top of the U-shaped frame 6. The guide tube 8 is passed through the top of the U-shaped frame 6. A second connecting rod 9 is inserted into the guide tube 8. One end of the second connecting rod 9 is fixedly connected to another heating block 1. A handle 10 is provided on the other end of the second connecting rod 9.

[0025] In this embodiment, the second connecting rod 9 is slidably connected in the guide tube 8. For example, a protrusion is provided on the inner wall of the guide tube 8, and a sliding groove is provided on the outer wall of the second connecting rod 9. When the second connecting rod 9 is inserted into the guide tube 8, the protrusion is located in the sliding groove. The cooperation between the protrusion and the sliding groove can prevent the second connecting rod 9 from rotating, thereby avoiding the inconsistent directions of the through grooves 3 on the two molds.

[0026] When the distance between the two molds needs to be adjusted, the staff holds the handle 10 and pushes the second connecting rod 9 inward, at which time the distance between the two molds is reduced; when the second connecting rod 9 is pulled outward, the distance between the two molds is increased.

[0027] As a further optimization of this embodiment, the heating control unit includes: a control box 11, a main control board arranged in the control box 11 and a temperature sensor 12, wherein the control box 11 is mounted on the base 5 of the adjustment frame; the main control board includes: a temperature controller 13, a power module 14 and a contactor 15; wherein the temperature controller 13 can adopt a PLC (Programmable Logic Controller); Figure 2 As shown, in Figure 2 , a connection schematic diagram of a heating block 1 is shown; The power supply ends of the two heating blocks 1 are connected in parallel to the positive and negative electrodes of the power module 14, and the positive and negative electrodes of the power module 14 are also electrically connected to the power supply end of the temperature controller 13. After the two heating blocks 1 are connected to the power module 14, the two heating blocks 1 start heating at the same time. The output voltage of the power module 14 is 220V AC. The coil of the contactor 15 is electrically connected to the control output end of the temperature controller 13; the switch 16 of the contactor 15 is connected in series to the power supply circuit between the two heating blocks 1 and the power module 14; when the switch 16 is closed, the two heating blocks 1 are connected to the power module 14 at the same time, and when the switch 16 is opened, the two heating blocks 1 are disconnected from the power module 14 at the same time; therefore, the temperature controller 13 realizes the power supply connection of the two heating blocks 1 by controlling the contactor 15 to be attracted; The temperature sensor 12 is installed on one of the heating blocks 1 , and the signal output ends of the temperature sensor 12 are electrically connected to the signal input ends of the temperature controller 13 .

[0028] In this embodiment, the temperature sensor 12 can monitor the heating temperature of the two heating blocks 1 in real time. When the temperature of the heating block 1 is too high, the temperature controller 13 controls the contactor 15 to cut off the power supply of the heating block 1 to reduce the temperature. After the temperature is reduced, the contactor 15 is controlled to connect the power supply to the heating block 1 to continue heating, thereby keeping the heating temperature relatively constant.

[0029] As a further optimization of this embodiment, a fuse 17 is connected in series in the power supply circuit between the two heating blocks 1 and the power module 14. When the current is too large, the fuse 17 automatically cuts off the power supply, so that the two heating blocks are powered off at the same time, ensuring the safety of the entire circuit and the stability of the temperature of the two heating blocks.

[0030] Embodiment 2 This embodiment provides a cable heat fuser, comprising: a pair of heating blocks 1, an adjustment frame and a heating control unit; The two heating blocks 1 are mounted on the adjustment frame, and the two heating blocks 1 are arranged opposite to each other. A mold is mounted on each of the heating blocks 1, and the two molds are used to fix the cables to be hot-melted; that is, after the two molds are closed, the cables to be hot-melted can be clamped, and when the two molds are separated, the clamped cables can be taken out; the mold clamping method can adapt to cables of different diameters, thereby improving the practicality of the cable hot melter; The adjustment frame is used to adjust the distance between the two heating blocks 1; after the distance between the two heating blocks 1 is reduced, the cable to be hot-melted is clamped between the two molds; The heating control unit is electrically connected to the heating block 1 and is used to perform constant temperature control on the heating temperature of the heating block 1 .

[0031] In this embodiment, the steps of performing a hot-melt operation on the hot-melt cable are as follows: 1. After the two cable ends are connected, wrap the outer skin of the connector with raw tape; 2. Separate the two molds by adjusting the adjustment frame, and then put the joint after the raw tape is wrapped between the two molds; then adjust the adjustment frame to close the two molds and clamp the joint between the two molds; 3. Use the heating control unit to start the heating block 1 for heating, and the heat generated by the heating block 1 melts the raw tape; in this embodiment, the heating temperature of the heating block is set to 100°C~105°C by utilizing the difference between the melting point of the raw tape and the melting point of the insulating rubber (sheath) of the cable itself, at which time the raw tape begins to melt; within this temperature range, the sheath of the cable will not melt, and after the raw tape is melted, it becomes one with the sheath of the cable, thereby improving the reliability and stability of the connection; 4. After the preset heating time, control the heating block 1 to stop heating. After the temperature of the heating block 1 drops to a suitable temperature, adjust the adjustment frame to separate the two molds and take out the hot-melt treated cable.

[0032] Through the above-mentioned hot-melt operation, the serious safety hazards of traditional connection methods such as easy debonding and aging debonding causing leakage and fire can be effectively solved, so that the cable sheath is integrated and gapless, and the safety and stability of the cable connection is fully guaranteed, reducing the degree of threat to life and property and the risk of damage to power equipment; it can also significantly improve the reliability and durability of the cable system, reduce the incidence of power accidents caused by cable joint failures, ensure the continuity and stability of power transmission and distribution, and provide strong support for the stable operation of the power system; secondly, it helps to reduce power maintenance costs and maintenance workload, and reduce manpower and material investment caused by joint problems; improve the overall efficiency and quality of power transmission and distribution, improve the utilization efficiency of power resources, and promote the efficient operation and development of the power industry.

[0033] As a further optimization of this embodiment, the adjustment frame includes: a base 5 and a U-shaped frame 6 arranged on the base 5, a first horizontal connecting rod 7 is fixedly connected to one side of the top of the U-shaped frame 6, and one of the heating blocks 1 is fixedly connected to the first connecting rod 7; A horizontal guide tube 8 is provided on the other side of the top of the U-shaped frame 6. The guide tube 8 is passed through the top of the U-shaped frame 6. A second connecting rod 9 is inserted into the guide tube 8. One end of the second connecting rod 9 is fixedly connected to another heating block 1. A handle 10 is provided on the other end of the second connecting rod 9.

[0034] In this embodiment, the second connecting rod 9 includes two sections of rod bodies, another heating block 1 is connected to one end of the first section of the rod body, and the first section of the rod body is slidably connected in the guide tube 8, and the other end of the first section of the rod body is rotatably connected to one end of the second section of the rod body, that is, the two sections of the rod body are connected through a rotating structure, and the two sections of the rod body can form relative rotation, and the handle 10 is installed on the other end of the second section of the rod body; An external thread is provided on the outer wall of the second rod section, and an internal thread is provided on the inner wall of the guide tube 8 . The second rod section is threadedly connected in the guide tube 8 .

[0035] In this embodiment, the first section of the rod is slidably connected to the guide tube 8 in the following manner: a protrusion is provided on the inner wall of the guide tube 8, and a slide groove is provided on the outer wall of the first section of the rod. When the first section of the rod is inserted into the guide tube 8, the protrusion is located in the slide groove, and the cooperation between the protrusion and the slide groove can prevent the first section of the rod from rotating; at this time, the handle 10 is rotated, and due to the threaded cooperation between the second section of the rod and the guide tube 8, the first section of the rod can be driven to reciprocate in the left and right directions, thereby adjusting the distance between the two molds (two heating blocks 1); and after the distance between the two molds is adjusted to a suitable position, due to the presence of a thread between the second section of the rod and the guide tube 8, the left and right movement of the second connecting rod 9 is limited, thereby avoiding changes in the distance between the two molds, further improving the stability of the cable when heated, avoiding movement, and improving the quality of hot melting.

[0036] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A cable hot melter, characterized in that: include: A pair of heating blocks (1), each of the heating blocks (1) being provided with a mold, the two molds being used to fix the cables to be hot-melted; An adjustment frame, on which the two heating blocks (1) are mounted, and the adjustment frame is used to adjust the distance between the two heating blocks (1); After the distance between the two heating blocks (1) is reduced, the cable to be hot-melted is clamped between the two molds; A heating control unit, the heating control unit is electrically connected to the heating block (1) and is used to perform constant temperature control on the heating temperature of the heating block (1).

2. The cable hot melter according to claim 1, characterized in that: Each of the moulds comprises: a connecting cover (2), the connecting cover (2) being sleeved on the end of the heating block (1), the end surface of the connecting cover (2) being provided with a through groove (3) along the diameter direction, the radial cross section of the through groove (3) being arc-shaped.

3. The cable hot melter according to claim 2, characterized in that: The end surface of the connecting cover (2) is made of heat-conducting material.

4. The cable hot melter according to claim 2, characterized in that: The connection cover (2) is provided with a locking screw (4), the outer wall of the heating block (1) is provided with a positioning screw hole, and the locking screw (4) is screwed into the positioning screw hole.

5. The cable hot melter according to claim 1, characterized in that: The adjustment frame comprises: a base (5) and a U-shaped frame (6) arranged on the base (5), a first transverse connecting rod (7) being fixedly connected to one side of the top of the U-shaped frame (6), and one of the heating blocks (1) being fixedly connected to the first connecting rod (7); A transverse guide tube (8) is provided on the other side of the top of the U-shaped frame (6), the guide tube (8) is passed through the top of the U-shaped frame (6), a second connecting rod (9) is inserted into the guide tube (8), one end of the second connecting rod (9) is fixedly connected to another heating block (1), and a handle (10) is provided on the other end of the second connecting rod (9).

6. The cable hot melt device according to claim 5, characterized in that: The second connecting rod (9) comprises two rod sections, the other heating block (1) is connected to one end of the first rod section, the first rod section is slidably connected in the guide tube (8), the other end of the first rod section is rotatably connected to one end of the second rod section, and the handle (10) is mounted on the other end of the second rod section; An external thread is provided on the outer wall of the second rod section, an internal thread is provided on the inner wall of the guide tube (8), and the second rod section is threadedly connected in the guide tube (8).

7. The cable hot melt device according to claim 1, characterized in that: The heating control unit comprises: a control box (11), a main control board arranged in the control box (11), and a temperature sensor (12); the control box (11) is mounted on an adjustment frame; the main control board comprises: Thermostat (13); A power supply module (14), the power supply terminals of the two heating blocks (1) are connected in parallel to the positive and negative electrodes of the power supply module (14), and the positive and negative electrodes of the power supply module (14) are also electrically connected to the power supply terminals of the temperature controller (13); A contactor (15), wherein the coil of the contactor (15) is electrically connected to the control output end of the temperature controller (13); a switch (16) of the contactor (15) is connected in series to the power supply circuit between the two heating blocks (1) and the power module (14); when the switch (16) is closed, the two heating blocks (1) are simultaneously connected to the power module (14); when the switch (16) is opened, the two heating blocks (1) are simultaneously disconnected from the power module (14); The temperature sensor (12) is mounted on one of the heating blocks (1), and the signal output ends of the temperature sensor (12) are electrically connected to the signal input ends of the temperature controller (13).

8. The cable hot melt device according to claim 7, characterized in that: A fuse (17) is connected in series on the power supply circuit between the two heating blocks (1) and the power module (14).

Images