Efficient heat dissipation flexible special control cable

Abstract

The invention discloses an efficient heat dissipation flexible special control cable which comprises a heat dissipation unit and a cable body, the cable body comprises an outer sheath and a plurality of cable cores located in the outer sheath and distributed in a row, and the outer sheath is provided with a plurality of embedding grooves distributed in the length direction of the cable body. The embedded groove comprises a slot part and a limiting groove part communicated with the slot part; each heat dissipation unit comprises a pipeline part and a plurality of embedded protrusions fixed to the pipeline part, and each embedded protrusion comprises an insertion protrusion part and a limiting protrusion part connected with the insertion protrusion part; and the limiting projection part can be embedded into the limiting groove part so as to fix the heat dissipation unit and the cable body together. The special control cable has good flexibility, can cope with repeated bending movement, and can be well applied to the fields of machine tools, robots and the like. When the environment temperature is high, the heat dissipation unit can be combined for use, so that better heat dissipation is realized, and the long-term stability and the service life of signal transmission are ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of control cable, more particularly, to a high-efficiency heat-dissipation flexible special control cable. BACKGROUND

[0002] Control cable plays a vital role of "nerve and blood vessel" in the field of numerical control machine tools, industrial robots, etc. Control cable is responsible for efficiently transmitting the driving power of servo motor, accurately controlling the pulse and key sensor feedback signal to ensure that the execution unit can complete the precise action according to the instruction.

[0003] In the field of numerical control machine tools, industrial robots, etc., control cable needs to be repeatedly bent and reciprocated, so the control cable needs to have better flexibility. With the increasing complexity of equipment functions, the number of cable cores that the control cable needs to carry also increases significantly. When the control cable has many cable cores, the equipment runs at full speed, and the heat inside the cable will continue to accumulate. If the ambient temperature of the control cable is also relatively high, the heat dissipation of the control cable is also a problem to be solved. If the heat cannot be dissipated in time and effectively, the high temperature will accelerate the aging of the insulation material, making it brittle and cracked, losing insulation performance and mechanical protection ability, eventually leading to short circuit or cable breakdown, which constitutes a serious safety hazard. SUMMARY

[0004] The present application aims to overcome the defects of the prior art and provide a high-efficiency heat-dissipation flexible special control cable.

[0005] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: a cable comprising a heat-dissipation unit and a cable body, the cable body comprising an outer sheath and a plurality of cable cores arranged in a row in the outer sheath, the cable core comprising, from the outside to the inside, a flame-retardant layer and a shielding layer, the shielding layer having a plurality of wire cores therein, the wire core comprising an insulating layer and a conductor in the insulating layer; the outer sheath has a plurality of embedding grooves distributed along the length direction of the cable body, the embedding groove comprising a plug-in groove portion and a limiting groove portion in communication with the plug-in groove portion; the heat-dissipation unit comprises a pipe portion and a plurality of embedding protrusions fixed to the pipe portion, the embedding protrusion comprising a plug-in protrusion portion and a limiting protrusion portion connected to the plug-in protrusion portion, the number of embedding grooves and embedding protrusions is equal and one-to-one corresponding; the limiting protrusion portion can be embedded in the limiting groove portion to fix the heat-dissipation unit and the cable body together.

[0006] Further, a temperature sensor is installed on the substrate.

[0007] Thus, the environmental temperature is detected. The heat dissipation unit and the cable body are fixed together or separated, which can be manually controlled or automatically controlled according to the environmental temperature. When the environmental temperature is high, the heat dissipation unit and the cable body are fixed together; when the environmental temperature is low, the heat dissipation unit and the cable body are separated.

[0008] Further, the plurality of embedding grooves are equidistantly distributed in a row; the plurality of embedding protrusions are equidistantly distributed in a row; and the pipeline part is a flat pipeline part.

[0009] Further, the base plate, the base fixed to the base plate, the fan mounted on the base plate, the air inlet pipe connected to one end of the pipeline part and the fan, the movable frame, the translation driving mechanism for driving the movable frame, and the two locking units are further included. The locking unit includes an air pump, a vertical plate fixed to the base, and an air bag connected to the air pump and mounted on the vertical plate along the length direction of the vertical plate; the pipeline part has two accommodating grooves extending along the length direction of the pipeline part and two through grooves extending along the length direction of the pipeline part and communicating with the accommodating grooves, the two locking units and the two through grooves correspond to each other, the vertical plate can be inserted into the corresponding through groove, and the air bag can be located in the corresponding accommodating groove; the movable frame includes two translation seats and a connecting frame connecting the two translation seats, the translation seat has a lifting seat, a lifting driving mechanism for driving the lifting seat, an electric push rod, and a pry block fixed to the movable end of the electric push rod, and a pressure roller unit is mounted between the lifting seats of the two translation seats.

[0010] Further, the locking unit includes an end plate fixedly connected to the base and the end of the vertical plate, the vertical plate is provided with the air bag on both sides, each air bag is connected with a gas injection branch pipe, the two gas injection branch pipes are connected with a gas injection main pipe, the gas injection main pipe is connected with the air pump, a valve is mounted on the gas injection main pipe, and the gas injection branch pipe penetrates through the end plate and is fixedly connected with the end plate.

[0011] Further, the connecting frame is a U-shaped frame, and two image acquisition units are mounted on the connecting frame.

[0012] Thus, the image acquisition unit can acquire the surface image of the cable body.

[0013] Further, when the air bags are filled, the two air bags abut against the two sides of the accommodating groove, respectively.

[0014] Further, the translation driving mechanism has two, the translation driving mechanism includes two mounting seats, a first motor mounted on one of the mounting seats, a first bearing mounted on the other mounting seat, a first lead screw connected to the first motor and the first bearing, and a guide rod connected to the two mounting seats, the translation seat has a first threaded hole matched with the first lead screw and a guide hole matched with the guide rod.

[0015] Further, the translation base has a first rectangular hole and a second rectangular hole, the lifting driving mechanism comprises a second motor mounted on the translation base, a second bearing mounted at the bottom end of the first rectangular hole, two vertical sliding rails located at both sides of the first rectangular hole, and a second screw rod connecting the second motor and the second bearing, the lifting base has a second threaded hole matched with the second screw rod and two vertical sliding grooves matched with the vertical sliding rails.

[0016] Further, a fixing base is mounted at the second rectangular hole, and the electric push rod is mounted on the fixing base, and the cross section of the pry block comprises a rectangular portion and a triangular portion connected with the rectangular portion.

[0017] Therefore, the pry block is more easily inserted between the cable body and the heat dissipation unit to separate the cable body and the heat dissipation unit.

[0018] Further, the compression roller unit comprises two third bearings respectively mounted on the two lifting bases, a rotating shaft mounted between the two third bearings, a compression roller body mounted on the rotating shaft, and two limiting rollers mounted on the rotating shaft, and the compression roller body is located between the two limiting rollers.

[0019] Further, the cross section of the cable body is a rectangle with four arc-shaped corners, and the two side top ends of the cross section of the pipeline portion have arc-shaped chamfers.

[0020] Therefore, the pry block is more easily inserted between the cable body and the heat dissipation unit to separate the cable body and the heat dissipation unit.

[0021] Further, the number of cable cores is 3-5, and the cable cores are arranged in a row at equal intervals.

[0022] Further, the conductor is a copper conductor, the shielding layer is a copper wire braided shielding layer, the flame-retardant layer is a low-smoke halogen-free flame-retardant layer, and the outer sheath is a polyvinyl chloride outer sheath.

[0023] Further, the pipeline portion and the embedded protrusion are made of heat-conducting silica gel.

[0024] In other embodiments, the pipeline portion is made of a metal material, the embedded protrusion is made of heat-conducting silica gel, and the embedded protrusion and the pipeline portion are adhesively fixed.

[0025] Advantages: 1. The special control cable has good flexibility, can cope with repeated bending and movement, and can be well applied in the fields of machine tools, robots, etc.

[0026] 2. The special control cable can be used together with the heat dissipation unit when the environmental temperature is high, so as to achieve better heat dissipation and ensure the long-term stability and service life of signal transmission. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 Schematic diagram for pressing the cable body and the heat dissipation unit into one whole body by using the pressing roller unit; Figure 2 Enlarged view of area A; Figure 3 Enlarged view of area B; Figure 4 Schematic diagram for separating the cable body and the heat dissipation unit by using the pry block; Figure 5 Enlarged view of area C; Figure 6 Bending and reciprocating movement of the cable body and the heat dissipation unit as one whole body; Figure 7 Enlarged view of area D; Figure 8 Schematic diagram for bending and reciprocating movement of the cable body alone; Figure 9 Enlarged view of area E; Figure 10 Enlarged view of area F; Figure 11 Figure 8 Another angle schematic diagram; Figure 12 Enlarged view of area G.

[0028] Explanation of reference signs: outer sheath 1.1; flame-retardant layer 1.2; shielding layer 1.3; insulation layer 1.4; conductor 1.5; slot portion 1.6; limiting slot portion 1.7; pipe portion 2.1; insertion protrusion portion 2.2; limiting protrusion portion 2.3; accommodating groove 2.4; through groove 2.5; base plate 3; base 3.1; fan 3.2; air inlet pipe 3.3; mounting seat 3.4; first motor 3.5; first lead screw 3.6; guide rod 3.7; movable frame 4; translation seat 4.1; connecting frame 4.2; image acquisition unit 4.3; fixing seat 4.4; air pump 5.1; vertical plate 5.2; air bag 5.3; end plate 5.4; air injection branch pipe 5.5; air injection main pipe 5.6; valve 5.7; lifting seat 6; third bearing 6.1; rotating shaft 6.2; pressing roller body 6.3; limiting roller 6.4; electric push rod 7; pry block 7.1; second motor 8.1; vertical slide rail 8.2. DETAILED DESCRIPTION

[0029] Embodiments of the present application are described in detail below with reference to examples illustrated in the accompanying drawings, in which the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0030] ​The application provides a high-efficiency heat-dissipation flexible special control cable, which is shown in the figure and comprises a heat-dissipation unit and a cable body, wherein the cable body comprises an outer sheath 1.1 and a plurality of cable cores arranged in a row in the outer sheath 1.1, the cable cores comprise, from outside to inside, a flame-retardant layer 1.2 and a shielding layer 1.3, the shielding layer 1.3 has a plurality of wire cores, the wire cores comprise an insulating layer 1.4 and a conductor 1.5 in the insulating layer 1.4; the outer sheath 1.1 is provided with a plurality of embedding grooves arranged along the length direction of the cable body, the embedding grooves comprise a plug groove part 1.6 and a limiting groove part 1.7 in communication with the plug groove part 1.6; the heat-dissipation unit comprises a pipe part 2.1 and a plurality of embedding protrusions fixed to the pipe part 2.1, the embedding protrusions comprise a plug protrusion part 2.2 and a limiting protrusion part 2.3 connected with the plug protrusion part 2.2, the number of the embedding grooves is equal to that of the embedding protrusions, and the embedding grooves and the embedding protrusions correspond to each other in one-to-one manner; the limiting protrusion part 2.3 can be embedded in the limiting groove part 1.7 so as to fix the heat-dissipation unit and the cable body together. The plurality of embedding grooves are arranged in a row at equal intervals; the plurality of embedding protrusions are arranged in a row at equal intervals; and the pipe part 2.1 is a flat pipe part. The special control cable further comprises a base plate 3, a base 3.1 fixed to the base plate 3, a fan 3.2 mounted on the base plate 3, an air inlet pipe 3.3 connected with the fan 3.2 and one end of the pipe part 2.1, a movable frame 4, a translation driving mechanism for driving the movable frame 4, and two locking units, the locking units comprise an air pump 5.1, a vertical plate 5.2 fixed to the base 3.1, and an air bag 5.3 connected with the air pump 5.1 and mounted on the vertical plate 5.2 and extending along the length direction of the vertical plate 5.2; the pipe part 2.1 is provided with two containing grooves 2.4 extending along the length direction of the pipe part 2.1 and two through grooves 2.5 extending along the length direction of the pipe part 2.1 and in communication with the containing grooves 2.4, the two locking units correspond to the two through grooves 2.5 in one-to-one manner, the vertical plate 5.2 can be inserted into the corresponding through groove 2.5, and the air bag 5.3 can be located in the corresponding containing groove 2.4; the movable frame 4 comprises two translation seats 4.1 and a connecting frame 4.2 connected with the two translation seats 4.1, the translation seat 4.1 is provided with a lifting seat 6, a lifting driving mechanism for driving the lifting seat 6, an electric push rod 7, and a pry block 7.1 fixed to the movable end of the electric push rod 7, and a pressure roller unit is mounted between the lifting seats 6 of the two translation seats 4.1.

[0031] The locking unit comprises an end plate 5.4 fixedly connected with the base 3.1 and the end of the vertical plate 5.2, the vertical plate 5.2 is provided with the air bag 5.3 on both sides, each air bag 5.3 is connected with the gas injection branch pipe 5.5, the two gas injection branch pipes 5.5 are connected with the gas injection main pipe 5.6, the gas injection main pipe 5.6 is connected with the air pump 5.1, the valve 5.7 is installed at the gas injection main pipe 5.6, and the gas injection branch pipe 5.5 penetrates through the end plate 5.4 and is fixedly connected with the end plate 5.4; the connecting frame 4.2 is a U-shaped frame, and two image acquisition units 4.3 are installed at the connecting frame 4.2. The translation driving mechanism has two, and the translation driving mechanism comprises two mounting seats 3.4, a first motor 3.5 mounted on one of the mounting seats 3.4, a first bearing mounted on the other mounting seat 3.4, a first lead screw 3.6 connected with the first motor 3.5 and the first bearing, and a guide rod 3.7 connected with the two mounting seats 3.4, and the translation seat 4.1 is provided with a first threaded hole matched with the first lead screw 3.6 and a guide hole matched with the guide rod 3.7. The translation seat 4.1 has a first rectangular hole and a second rectangular hole, the lifting driving mechanism comprises a second motor 8.1 mounted on the translation seat 4.1, a second bearing mounted at the bottom end of the first rectangular hole, two vertical sliding rails 8.2 located on both sides of the first rectangular hole, and a second lead screw connected with the second motor 8.1 and the second bearing, and the lifting seat 6 has a second threaded hole matched with the second lead screw and two vertical sliding grooves matched with the vertical sliding rails 8.2; the second rectangular hole is provided with a fixed seat 4.4, the electric push rod 7 is installed at the fixed seat 4.4, and the cross section of the pry block 7.1 comprises a rectangular portion and a triangular portion connected with the rectangular portion. The compression roller unit comprises two third bearings 6.1 respectively installed at the two lifting seats 6, a rotating shaft 6.2 installed between the two third bearings, a compression roller body 6.3 installed on the rotating shaft 6.2, and two limiting rollers 6.4 installed at the rotating shaft 6.2, and the compression roller body 6.3 is located between the two limiting rollers 6.4. The cross section of the cable body is rectangular with four arc-shaped corners; the cross section of the pipeline part 2.1 has arc-shaped chamfers at the top ends of both sides; the number of the cable cores is 3-5, and they are distributed in a row at equal intervals.

[0032] The conductor 1.5 is a copper conductor, the shielding layer 1.3 is a copper wire braided shielding layer, the flame-retardant layer 1.2 is a low-smoke halogen-free flame-retardant layer, and the outer sheath 1.1 is a polyvinyl chloride outer sheath. The pipeline part 2.1 and the embedded protrusion are both made of heat-conducting silica gel, or the pipeline part 2.1 is made of metal material, the embedded protrusion is made of heat-conducting silica gel, and the embedded protrusion and the pipeline part 2.1 are adhesively fixed.

[0033] Working principle: as shown in the figure, the special control cable of the application adopts the structure of flat cable, so that a plurality of cable cores are distributed in a row, so that in the field of machine tools, liquid supply robots and the like, the end of the cable body close to the fan is fixed and connected with the fixed part. The end of the cable body away from the fan is connected with the movable part, so that when the movable part moves, the cable body is bent, and the bending reciprocating movement is realized. When the special control cable is reciprocatingly bent and moved, it has better flexibility and is not easy to be damaged.

[0034] When used normally, when the ambient temperature is low, the special control cable does not need active cooling, the air bag can be inflated, so that the air bag abuts against the accommodating groove, so that the pipeline part can be locked at the base through the air bag. The cable body is placed above the heat dissipation unit, the limiting protrusion part is not inserted into the limiting groove part, so that at this time the cable body is bent and reciprocated alone, and the pipeline part is flat and does not move.

[0035] When the ambient temperature is high, the air bag can be emptied. And the pressure roller body is lowered, driven by the translation driving mechanism, the cable body is pressed downward along the length direction of the cable, so that the limiting protrusion part and the limiting groove part are embedded together, so that the cable body and the heat dissipation unit are fixed together, and the fan is opened, when the equipment is running, the pipeline part and the cable body are bent and reciprocated as a whole, so that the heat of the cable body can be transferred to the pipeline part, and the heat dissipation airflow generated by the fan can take away.

[0036] When it is needed to separate the cable body and the pipeline part, the air bag can be inflated, and the two pry blocks are respectively inserted between the cable body and the pipeline part from both sides, and the translation seat moves along the length direction of the pipeline part, so that the pry blocks separate the cable body and the pipeline part, so that the limiting protrusion part is separated from the limiting groove part, so that the cable body is placed above the pipeline part, so that when the subsequent bending reciprocating movement is carried out, only the cable body is bent and reciprocated.

[0037] And, the translation seat can be translated periodically, and the image acquisition unit acquires the surface image of the cable body, and whether the cable body is excessively bent is judged according to the acquired image.

[0038] Although the application is illustrated and described in terms of preferred embodiments, it should be understood that various changes and modifications can be made to the application without departing from the scope of the claims of the application.

Claims

1. A high-efficiency heat-dissipating flexible special control cable, characterized in that, The device includes a heat dissipation unit and a cable body. The cable body includes an outer sheath and multiple cable cores arranged in a row within the outer sheath. Each cable core includes a flame-retardant layer and a shielding layer from the outside in. The shielding layer contains multiple wire cores, each wire core including an insulation layer and a conductor located within the insulation layer. The outer sheath has multiple embedding slots distributed along the length of the cable body. Each embedding slot includes a slot portion and a limiting slot portion communicating with the slot portion. The heat dissipation unit includes a pipe portion and multiple embedding protrusions fixed to the pipe portion. Each embedding protrusion includes an insertion protrusion portion and a limiting protrusion portion connected to the insertion protrusion portion. The number of embedding slots and embedding protrusions is equal and they correspond one-to-one. The limiting protrusion portion can be embedded into the limiting slot portion to fix the heat dissipation unit and the cable body together.

2. The high-efficiency heat dissipation flexible special control cable according to claim 1, characterized in that, Multiple embedded grooves are arranged in a row with equal spacing; multiple embedded protrusions are arranged in a row with equal spacing; the pipe section is a flat pipe section.

3. The high-efficiency heat dissipation flexible special control cable according to claim 1, characterized in that, It also includes a base plate, a base fixed to the base plate, a fan mounted on the base plate, an air inlet pipe connecting the fan and one end of the duct section, a movable frame, a translation drive mechanism for driving the movable frame, and two locking units. The locking unit includes an air pump, a vertical plate fixed to the base, and an airbag extending along the length of the vertical plate and connected to the air pump. The duct section has two receiving grooves extending along the length of the duct section and a through groove extending along the length of the duct section and communicating with the receiving grooves. The two locking units and the two through grooves correspond one-to-one. The vertical plate can be inserted into the corresponding through groove, and the airbag can be located in the corresponding receiving groove. The movable frame includes two translation seats and a connecting frame connecting the two translation seats. The translation seats have lifting seats, a lifting drive mechanism for driving the lifting seats, an electric push rod, and a pry block fixed to the movable end of the electric push rod. A pressure roller unit is installed between the lifting seats of the two translation seats.

4. The high-efficiency heat dissipation flexible special control cable according to claim 3, characterized in that, The locking unit includes an end plate that is fixedly connected to both the base and the end of the vertical plate. The airbags are installed on both sides of the vertical plate. Each airbag is connected to an air injection branch pipe. Both air injection branch pipes are connected to an air injection main pipe. The air injection main pipe is connected to an air pump. A valve is installed at the air injection main pipe. The air injection branch pipes pass through the end plate and are fixedly connected to the end plate. The connecting frame is a U-shaped frame, and two image acquisition units are installed at the connecting frame.

5. The high-efficiency heat dissipation flexible special control cable according to claim 3, characterized in that, The translation drive mechanism has two components, each including two mounting bases, a first motor mounted on one mounting base, a first bearing mounted on the other mounting base, a first lead screw connecting the first motor and the first bearing, and a guide rod connecting the two mounting bases. Each translation base has a first threaded hole that mates with the first lead screw and a guide hole that mates with the guide rod.

6. The high-efficiency heat dissipation flexible special control cable according to claim 3, characterized in that, The translation seat has a first rectangular hole and a second rectangular hole. The lifting drive mechanism includes a second motor mounted on the translation seat, a second bearing mounted on the bottom of the first rectangular hole, two vertical slide rails located on both sides of the first rectangular hole, and a second lead screw connecting the second motor and the second bearing. The lifting seat has a second threaded hole that mates with the second lead screw and two vertical slide grooves that mate with the vertical slide rails. A fixed seat is installed at the second rectangular hole, and the electric push rod is installed at the fixed seat. The cross-section of the pry bar includes a rectangular portion and a triangular portion connected to the rectangular portion.

7. The high-efficiency heat dissipation flexible special control cable according to claim 3, characterized in that, The pressure roller unit includes two third bearings respectively installed at two lifting seats, a rotating shaft installed between the two third bearings, a pressure roller body installed on the rotating shaft, and two limiting rollers installed at the rotating shaft, with the pressure roller body located between the two limiting rollers.

8. The high-efficiency heat dissipation flexible special control cable according to claim 3, characterized in that, The cross-section of the cable body is a rectangle with four arc-shaped corners; the top of both sides of the cross-section of the pipe section has arc-shaped chamfers; the number of cable cores is 3-5, and they are distributed in a row at equal intervals.

9. The high-efficiency heat dissipation flexible special control cable according to claim 3, characterized in that, The conductor is a copper conductor; the shielding layer is a copper wire braided shielding layer; the flame retardant layer is a low-smoke halogen-free flame retardant layer; and the outer sheath is a polyvinyl chloride outer sheath.

10. The high-efficiency heat dissipation flexible special control cable according to claim 3, characterized in that, Both the pipe section and the embedded protrusion are made of thermally conductive silicone; or, the pipe section is made of metal, the embedded protrusion is made of thermally conductive silicone, and the embedded protrusion and the pipe section are bonded and fixed together.

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