A fireproof cable with multi-gradient temperature self-control

Abstract

The invention discloses a multi-gradient temperature-automatic fireproof cable, which relates to the technical field of fireproof cables and comprises a cable body, wherein the inner surface of the cable body is fixedly connected with a thermal insulation sleeve, the inner surface of the thermal insulation sleeve is coated with an annular multi-porous liquid-permeable sleeve, the inner surface of the annular multi-porous liquid-permeable sleeve is coated with a fireproof heat-conducting layer, the inner surface of the fireproof heat-conducting layer is fixedly connected with a separating clamping ring, conductors are evenly arranged in the separating clamping ring, and a multi-functional clamping adjustment mechanism is arranged. When an operator fixes the cable on a wall or a box, the operator can fix the cable surface by rotating a threaded extrusion ring. Compared with a traditional bolt connection, the rotating clamping device is more secure during connection, and the risk of connection failure caused by looseness or vibration is reduced. When the cable is connected at a joint, the cable is partially fixedly connected, which not only reduces electrical faults caused by looseness or poor contact, but also reduces connection problems caused by human errors due to convenient operation.

Description

Technical Field

[0001] The invention relates to the technical field of fireproof cables, in particular to a multi-gradient temperature self-controlled fireproof cable. Background Art

[0002] Fireproof cable is a type of cable designed to provide additional safety in the event of a fire. It can maintain normal operation for a certain period of time in a fire, ensuring the safe and normal operation of key emergency systems such as fire alarm systems, smoke detection systems, emergency lighting power systems and public broadcasting systems. Fireproof cables usually have high fire resistance and can withstand direct flames. They will not short-circuit or open-circuit failures for a certain period of time, thereby reducing the losses caused by fire.

[0003] However, in the existing cable manufacturing, a single multi-layer thermal insulation and fire protection measure is usually used to wrap the conductor for thermal insulation protection. Although it can provide basic thermal insulation protection, it cannot effectively meet the reasonable cooling needs of the cable under high load. A single thermal insulation layer can only provide a fixed thermal insulation effect and cannot dynamically adjust the temperature according to the change of cable load. As a result, the cable temperature may rise rapidly under high load conditions, increasing the risk of fire. Although the existing thermal insulation layer can prevent external heat from being transferred to the inside of the cable, it also limits the heat dissipation inside the cable. Especially when running under high load, it may cause the internal temperature of the cable to be too high, affecting the performance and life of the cable.

[0004] In addition, when installing and fixing existing fire-resistant cables, it is difficult for operators to fix the cables due to the smooth outer surface of the cables. As the years of use increase, the materials of the cable lines will age, causing the cable lines to be subjected to vibrations or external forces during operation, such as wind, vehicle movement, etc., which can easily cause the outer surface of the cables to loosen, and then cause the cable joints to loosen. Loose cables may cause poor contact and increased resistance, which may lead to electrical failures or even fires, posing a threat to the safety of people and property.

[0005] Therefore, a multi-gradient temperature-controlled fire-proof cable is proposed to solve the above problems. Summary of the invention

[0006] In view of this, the technical problem to be solved by the present invention is to propose a multi-gradient temperature self-controlled fireproof cable to solve the problems in the prior art that the cable cannot be temperature controlled according to the load conditions and the cable installation is unstable.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a multi-gradient temperature-controlled fireproof cable, comprising a cable body, a temperature-insulating sleeve fixedly connected to the inner surface of the cable body, an annular multi-porous liquid-through sleeve arranged on the inner surface of the temperature-insulating sleeve, a fire-retardant agent coated on the inner surface of the annular multi-porous liquid-through sleeve to form a fireproof heat-conducting layer, a separation clamping ring fixedly connected to the inner surface of the fireproof heat-conducting layer, conductors uniformly arranged in the separation clamping ring, and a multi-functional clamping adjustment mechanism and a liquid-through adjustment mechanism, the multi-functional clamping adjustment mechanism being arranged on the outer surface of the cable body, and the liquid-through adjustment mechanism being arranged on the outer surface of the fireproof heat-conducting layer;

[0008] The multifunctional snap-fit ​​adjustment mechanism is used for installing and fixing the cable;

[0009] The liquid flow regulating mechanism is used for heat insulation and cooling inside the cable.

[0010] Preferably, the multifunctional snap-fit ​​adjustment mechanism includes a threaded extrusion ring, which is arranged on the outer surface of the cable body, and the inner surface of the threaded extrusion ring is threadedly connected with a protective fixing sleeve, and the inner surface of the protective fixing sleeve is installed on the outer surface of the cable body. The protective fixing sleeve is symmetrically provided with a slide groove chamber, and a slide plate is slidably connected in the slide groove chamber.

[0011] Preferably, the outer surface of one end of the slide plate is provided with meshing teeth, a multifunctional card plate is provided above the meshing teeth, and both sides of the multifunctional card plate are rotatably connected to the cable body.

[0012] Preferably, sliding teeth are evenly arranged on the arc surface of the multifunctional card plate, and the sliding teeth are engaged with the meshing teeth. A return spring is fixedly connected to one end of the slide away from the meshing teeth, and the return spring is fixedly connected to the cable body at one end away from the slide.

[0013] Preferably, the liquid flow regulating mechanism comprises a multifunctional sealing regulating block, the outer surface of which is threadedly connected with a sliding plate, and one end of the sliding plate away from the multifunctional sealing regulating block is slidably connected with a fixed block.

[0014] Preferably, a tension spring is sleeved on the outer surface of the sliding plate, one end of the tension spring is fixedly connected to the sliding plate, and the other end of the tension spring is fixedly connected to the fixed block.

[0015] Preferably, the inner ring surface of the fixed block is fixedly connected to the fireproof heat-conducting layer, and the inner ring of the multifunctional sealing adjustment block is rotatably connected to the annular porous liquid-passing sleeve, and the annular porous liquid-passing sleeve is evenly provided with liquid-passing grooves.

[0016] Preferably, a liquid collecting chamber is provided in the multifunctional sealing adjustment block, and a liquid injection hole is provided in the multifunctional sealing adjustment block. The liquid injection hole is communicated with the liquid collecting chamber, a liquid partition plate is fixedly connected to the circumference of the liquid collecting chamber, and a filter is installed at one end of the liquid groove near the liquid partition plate.

[0017] Compared with the prior art, the multi-gradient temperature-controlled fireproof cable provided by the present invention has the following beneficial effects:

[0018] 1. Through the setting of the liquid regulating mechanism, a liquid groove is opened inside the cable. The coolant flows inside the cable to quickly absorb and take away the heat generated inside the cable, thereby maintaining constant temperature control inside the cable. The constant temperature of the inner wall of the cable is conducive to maintaining the stability and integrity of the cable insulation layer, reducing insulation aging or damage caused by temperature fluctuations, and causing safety hazards such as fire or short circuit.

[0019] 2. The operator can turn and adjust the multifunctional sealing adjustment block to allow the baffle plate to control the flow rate of the coolant. By controlling the flow rate of the coolant by the baffle plate, the flow rate and temperature of the coolant can be accurately adjusted to ensure that the cable can maintain a constant temperature under different loads. Since high temperature of the cable is one of the main reasons for cable aging, by effectively controlling the temperature, the damage to the cable caused by high temperature operation can be reduced, thereby slowing down the aging of the cable and extending its service life;

[0020] Compared with traditional air cooling or a single insulation layer, heat exchange and cooling by liquid fluid (coolant) has higher cooling efficiency and heat dissipation capacity, and can more effectively reduce the cable temperature. In addition, the traditional insulation layer cannot dynamically adjust the temperature according to the change of cable load. The liquid cooling technology in this design can achieve flexible temperature control by adjusting the flow and temperature of the coolant, thereby effectively controlling the cable temperature and reducing failures and damage caused by overheating, thereby reducing the maintenance cost and replacement cost of the cable.

[0021] 3. Through the setting of the multifunctional clamping adjustment mechanism, when the operator fixes the cable on the wall or box, the operator can fix the cable surface by rotating the threaded extrusion ring. Compared with the traditional bolt connection, the rotating clamping device is more secure during connection, reducing the risk of connection failure due to looseness or vibration. By fixing the cable locally when the cable is connected to the joint, it not only reduces electrical failures caused by looseness or poor contact, but also reduces connection problems caused by human errors due to convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 It is an auxiliary schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the structural connection relationship of the multifunctional snap-fit ​​adjustment mechanism of the present invention;

[0025] Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle;

[0026] Figure 5 This is a schematic diagram of the structural connection relationship of the liquid flow regulating mechanism of the present invention;

[0027] Figure 6 For the present invention Figure 5 Enlarged view of point B in the middle;

[0028] Figure 7 This is an auxiliary schematic diagram of the structural connection relationship of the liquid flow regulating mechanism of the present invention;

[0029] Figure 8 For the present invention Figure 7 Enlarged view of point C in the middle;

[0030] Fig. 9 It is a schematic diagram of the exploded state of the structural connection relationship of the liquid flow regulating mechanism of the present invention.

[0031] In the figure:

[0032] 1. Cable body; 11. Insulation sleeve; 12. Annular porous liquid sleeve; 13. Fireproof heat conductive layer; 14. Separation clamp ring;

[0033] 2. Multifunctional snap-fit ​​adjustment mechanism; 21. Threaded extrusion ring; 22. Protective fixing sleeve; 23. Slide plate; 24. Engaging teeth; 25. Multifunctional card plate; 26. Reset spring;

[0034] 3. Liquid flow regulating mechanism; 31. Multifunctional sealing regulating block; 32. Sliding plate; 33. Tension spring; 34. Fixed block; 35. Liquid partition plate; 36. Filter screen; 37. Liquid flow groove; 38. Liquid injection hole; 39. Liquid collecting chamber. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] The present invention is further described in detail below based on the accompanying drawings and embodiments.

[0037] Example

[0038] Please refer to Figures 1 to 9 As shown:

[0039] In order to solve the problems mentioned in the technical solution, the embodiment of the present application provides a multi-gradient temperature-controlled fireproof cable, including a cable body 1, a temperature-insulating sleeve 11 is fixedly connected to the inner surface of the cable body 1, an annular porous liquid-through sleeve 12 is arranged on the inner surface of the temperature-insulating sleeve 11, a fire retardant is coated on the inner surface of the annular porous liquid-through sleeve 12 to form a fireproof heat-conducting layer 13, a separation clamp 14 is fixedly connected to the inner surface of the fireproof heat-conducting layer 13, a conductor is evenly arranged in the separation clamp 14, and a multifunctional clamping adjustment mechanism 2 and a liquid-through adjustment mechanism 3 are also included, the multifunctional clamping adjustment mechanism 2 is arranged on the outer surface of the cable body 1, and the liquid-through adjustment mechanism 3 is arranged on the outer surface of the fireproof heat-conducting layer 13;

[0040] The multifunctional snap-fit ​​adjustment mechanism 2 is used for installing and fixing the cable;

[0041] The liquid regulating mechanism 3 is used for heat insulation and cooling inside the cable;

[0042] The multifunctional snap-fit ​​adjustment mechanism 2 includes a threaded extrusion ring 21, which is sleeved on the outer surface of the cable body 1. The inner surface of the threaded extrusion ring 21 is threadedly connected with a protective fixing sleeve 22. The inner surface of the protective fixing sleeve 22 is installed on the outer surface of the cable body 1. The protective fixing sleeve 22 is symmetrically provided with a slide groove chamber, and a slide plate 23 is slidably connected in the slide groove chamber.

[0043] The outer surface of one end of the slide plate 23 is provided with a meshing tooth 24, and a multifunctional card plate 25 is provided above the meshing tooth 24. Both sides of the multifunctional card plate 25 are rotatably connected to the cable body 1;

[0044] The multifunctional card plate 25 is evenly provided with sliding teeth on the arc surface, and the sliding teeth are meshed with the meshing teeth 24. The end of the slide plate 23 away from the meshing teeth 24 is fixedly connected to a return spring 26, and the end of the return spring 26 away from the slide plate 23 is fixedly connected to the cable body 1;

[0045] Among them: the protective fixing sleeve 22 is symmetrically provided with a slide groove chamber, and the slide groove chamber is slidably connected with a slide plate 23. The fire retardant adopts inorganic flame retardant materials, such as silicon dioxide, aluminum hydroxide, etc. These materials suppress the spread of flames through chemical reactions such as heat absorption and dehydration, and also have certain thermal conductivity. Inorganic flame retardants usually have good stability, long service life, and little pollution to the environment.

[0046] In the prior art, it is difficult for operators to fix fireproof cables during installation because of the smooth outer surface of the cables. As the years of use increase, the material of the cable line will age, causing the cable line to be subjected to vibration or external forces during operation, such as wind, vehicle driving, etc., which can easily cause the outer surface of the cable to loosen, and then cause the cable joint to loosen. Compared with the prior art, through the implementation of this embodiment, when the operator fixes the cable on the wall or the box, the operator can fix the cable surface by rotating the threaded extrusion ring 21. Compared with the traditional bolt connection, the rotating clamping device is more secure when connected, reducing the risk of connection failure caused by looseness or vibration. When the cable is connected at the joint, the cable is partially fixed to connect, which not only reduces electrical failures caused by looseness or poor contact, but also reduces connection problems caused by human errors due to convenient operation.

[0047] For further examples, please refer to Figures 1 to 9 As shown:

[0048] The liquid flow regulating mechanism 3 comprises a multifunctional sealing regulating block 31 , the outer surface of which is threadedly connected with a sliding plate 32 , and one end of the sliding plate 32 away from the multifunctional sealing regulating block 31 is slidably connected with a fixed block 34 .

[0049] A tension spring 33 is sleeved on the outer surface of the sliding plate 32, one end of the tension spring 33 is fixedly connected to the sliding plate 32, and the other end of the tension spring 33 is fixedly connected to the fixed block 34;

[0050] The inner ring surface of the fixed block 34 is fixedly connected to the fireproof heat-conducting layer 13, and the inner ring of the multifunctional sealing adjustment block 31 is rotatably connected to the annular porous liquid-passing sleeve 12;

[0051] A liquid collecting chamber 39 is provided in the multifunctional sealing adjustment block 31, and a liquid injection hole 38 is also provided in the multifunctional sealing adjustment block 31. The liquid injection hole 38 is connected to the liquid collecting chamber 39, and a liquid partition plate 35 is fixedly connected to the circumference of the liquid collecting chamber 39. A filter screen 36 is installed at one end of the liquid groove 37 close to the liquid partition plate 35.

[0052] Among them, liquid-passing grooves 37 are evenly arranged in the annular porous liquid-passing sleeve 12, and the liquid-passing grooves 37 are interconnected with the liquid collecting chamber 39 and have good sealing performance.

[0053] In the prior art, in cable manufacturing, a single multi-layer thermal insulation and fire prevention measure is usually used to wrap the conductor for thermal insulation protection. Although it can provide basic thermal insulation protection, it cannot effectively meet the reasonable cooling needs of the cable under high load. A single insulation layer can only provide a fixed thermal insulation effect and cannot dynamically adjust the temperature according to the change of the cable load, resulting in the cable temperature may rise rapidly under high load conditions, increasing the risk of fire. Compared with the prior art, through the implementation of this embodiment, the operator can rotate and adjust the multifunctional sealing adjustment block 31 to enable the liquid barrier plate 35 to control the flow rate of the coolant. Through the flow control of the coolant by the liquid barrier plate 35, the flow and temperature of the coolant can be accurately adjusted to ensure that the cable can maintain a constant temperature under different loads. Because high temperature of the cable is one of the main reasons for cable aging, by effectively controlling the temperature, the damage to the cable due to high temperature operation can be reduced, thereby slowing down the aging rate of the cable and extending its service life.

[0054] Everything in the above example works like this:

[0055] In the initial state: the multifunctional clamping plate 25 and the cable body 1 are tilted and rotated on the protective fixing sleeve 22 at a certain angle, the return spring 26 is stretched, and the stretching spring 33 is not stretched.

[0056] The following is the working process of the multifunctional snap-fit ​​adjustment mechanism 2 for installing and fixing the cable:

[0057] When in use, first when the operator connects the wires, in order to prevent the cable body 1 from loosening due to long-term vibration and shaking, the operator passes the cable body 1 through the reserved hole of the wall or box, because the reserved hole is the same size as the cable body 1, such as Figure 3 and Figure 4 As shown, when the cable passes through the reserved hole, the operator moves the cable body 1 from left to right as shown in the figure. When the wall or the reserved hole squeezes the surface of the multifunctional card board 25, the multifunctional card board 25 slides from left to right to cause the multifunctional card board 25 to start rotating counterclockwise. At this time, because the sliding teeth arranged on the arc surface of the multifunctional card board 25 are meshed with the meshing teeth 24, the meshing teeth 24 are driven by the multifunctional card board 25 to drive the slide plate 23 to start sliding to the right by rotating counterclockwise. At this time, because the end of the slide plate 23 away from the meshing teeth 24 is fixedly connected to the reset spring 26, and the end of the reset spring 26 away from the slide plate 23 is fixedly connected to the cable body 1, the slide plate 23 slides to the right to cause the reset spring 26 to start being stretched;

[0058] When the cable body 1 passes through the hole pre-opened in the box or wall, the return spring 26 will play a role, pushing the slide plate 23 to slide leftward along the direction of the cable. In this process, the multifunctional card plate 25, which may have been squeezed by the edge of the hole, is no longer restricted after passing through the hole. Therefore, the slide plate 23 is subjected to the elastic action of the return spring 26 and drives the meshing teeth 24 to start rotating clockwise until it returns to its initial position.

[0059] Then, the operator needs to manually rotate a threaded extrusion ring 21 clockwise, which makes the extrusion ring fit tightly against the surface of the wall or box to form a firm fixation. The purpose of this is to prevent the cable from loosening due to vibration and other reasons, especially the loosening of the cable joint, because loosening may cause poor contact and increased resistance, which may cause electrical failures and even fire and other serious consequences. Through such a fixing device, the safety and stability of the cable connection can be significantly improved.

[0060] The setting of the multifunctional snap-fit ​​adjustment mechanism 2 not only reduces the risk of connection failure due to looseness or vibration, but also reduces electrical failures caused by looseness or poor contact by fixing the cable partially when the cable is connected to the connector. The convenient operation also reduces connection problems caused by human errors.

[0061] Please refer to the above working process Figures 1 to 9 .

[0062] The following is the working process of the liquid regulating mechanism 3 for heat insulation and cooling inside the cable:

[0063] like Figure 8 As shown, when the operator connects the outer port of the injection hole 38 with the heat exchanger, the liquid is transported to the injection hole 38 through the heat exchanger. Because the injection hole 38 and the liquid collecting chamber 39 are interconnected, the coolant flows into the liquid collecting chamber 39 through the injection hole 38. After the coolant is collected in the liquid collecting chamber 39, because the liquid collecting chamber 39 is interconnected with the liquid passing groove 37 in the annular porous liquid passing sleeve 12, and the sealing performance is good, the liquid is pressurized by the outside, so that the liquid is filtered by the filter screen 36 and flows into the liquid passing groove 37. 6 can make the coolant evenly dispersed through the filter holes when it circulates, and at the same time can prevent impurities in the coolant from flowing into the liquid groove 37 to cause blockage of the liquid groove 37. By opening the liquid groove 37 inside the cable, the coolant flowing inside the cable can quickly absorb and take away the heat generated inside the cable, so as to maintain constant temperature control inside the cable. The constant temperature of the inner wall of the cable is conducive to maintaining the stability and integrity of the cable insulation layer, reducing the insulation aging or damage caused by temperature fluctuations, and causing safety hazards such as fire or short circuit.

[0064] If the cable starts to heat up gradually when it is under load, the operator only needs to rotate the multifunctional sealing adjustment block 31 clockwise. At this time, because the liquid barrier plate 35 is fixedly connected to the liquid collecting chamber 39 opened in the multifunctional sealing adjustment block 31, the liquid barrier plate 35 and the liquid passage groove 37 are gradually adjusted from a closed state to a gradually open state by rotating the multifunctional sealing adjustment block 31 clockwise. As the liquid passage groove 37 gradually opens, the coolant begins to continuously flow into the liquid passage groove 37. At this time, the heat generated inside the cable can be cooled by heat exchange with the coolant. At the same time, the multifunctional sealing adjustment block 31 is rotated clockwise because the outer surface of the multifunctional sealing adjustment block 31 is threadedly connected to the sliding plate 32, and the sliding plate 32 slides in the fixed block 34 away from the end of the multifunctional sealing adjustment block 31. At this time, rotating the multifunctional sealing adjustment block 31 clockwise will cause the sliding plate 32 to begin to Figure 8 As shown, the multifunctional sealing adjusting block 31 slides downward along the fixed block 34, at which time the tension spring 33 begins to be stretched. The tension spring 33 will be stretched with the thread on the surface of the multifunctional sealing adjusting block 31 under tension. This interaction enables the multifunctional sealing adjusting block 31 and the sliding plate 32 to be mutually locked. This locking mechanism relies on the force generated by the spring tension and the interaction between the thread on the surface of the multifunctional sealing adjusting block 31 and the tension spring 33, which together ensure the stable connection between the multifunctional sealing adjusting block 31 and the sliding plate 32. The flow of coolant in the system is usually affected by the pipe size, pressure difference and any possible obstacles. When the coolant flows through an adjustable sealing area (liquid collecting chamber 39), the channel between the liquid partition plate 35 and the liquid channel 37 will directly affect the flow rate of the coolant. Specifically, If the passage between the partition plate 35 and the liquid passage groove 37 is reduced, the coolant will face greater resistance when passing through the area, and the flow rate will naturally slow down. On the contrary, if the partition plate 35 is adjusted to expand the passage between the partition plate 35 and the liquid passage groove 37, the resistance to the flow of the coolant will be reduced, and the flow rate will increase accordingly. Therefore, the partition plate 35 can control the flow rate of the coolant by the operator by rotating and adjusting the multifunctional sealing adjustment block 31. By controlling the flow rate of the coolant by the partition plate 35, the flow rate and temperature of the coolant can be accurately adjusted to ensure that the cable can maintain a constant temperature under different loads. Since high temperature of the cable is one of the main causes of cable aging, by effectively controlling the temperature, the damage to the cable caused by high temperature operation can be reduced, thereby slowing down the aging of the cable and extending its service life.

[0065] Compared with traditional air cooling or a single insulation layer, the heat exchange and cooling technology using liquid fluid (coolant) can more effectively reduce the cable temperature. In addition, the traditional insulation layer cannot dynamically adjust the temperature according to the changes in the cable load. The liquid cooling technology in this design can achieve flexible temperature control by adjusting the flow and temperature of the coolant, thereby effectively controlling the cable temperature and reducing failures and damage caused by overheating, thereby reducing the maintenance and replacement costs of the cable.

[0066] Please refer to the above working process Figures 1 to 9 .

[0067] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-gradient temperature self-controlled fireproof cable, used for multi-gradient temperature reduction control of a cable, comprising a cable body (1), the inner surface of the cable body (1) is fixedly connected to a thermal insulation sleeve (11), the inner surface of the thermal insulation sleeve (11) is provided with an annular multi-porous liquid-permeable sleeve (12), the inner surface of the annular multi-porous liquid-permeable sleeve (12) is coated with a fire retardant to form a fireproof heat-conducting layer (13), the inner surface of the fireproof heat-conducting layer (13) is fixedly connected to a separation clamp (14), and conductors are evenly arranged in the separation clamp (14), characterized in that: It also includes a multifunctional snap-fit ​​adjustment mechanism (2) and a fluid flow adjustment mechanism (3), wherein the multifunctional snap-fit ​​adjustment mechanism (2) is arranged on the outer surface of the cable body (1), and the fluid flow adjustment mechanism (3) is arranged on the outer surface of the fireproof and heat-conducting layer (13); The multifunctional snap-fit ​​adjustment mechanism (2) is used for installing and fixing the cable; The liquid flow regulating mechanism (3) is used for heat insulation and cooling inside the cable; The multifunctional clamping adjustment mechanism (2) comprises a threaded extrusion ring (21), the threaded extrusion ring (21) is sleeved on the outer surface of the cable body (1), the inner surface of the threaded extrusion ring (21) is threadedly connected to a protective fixing sleeve (22), the inner surface of the protective fixing sleeve (22) is mounted on the outer surface of the cable body (1), and the protective fixing sleeve (22) is symmetrically provided with a slide groove chamber, and a slide plate (23) is slidably connected to the slide groove chamber; The outer surface of one end of the slide plate (23) is provided with meshing teeth (24), a multifunctional card plate (25) is provided above the meshing teeth (24), and both sides of the multifunctional card plate (25) are rotatably connected to the cable body (1); The multifunctional card plate (25) has sliding teeth evenly arranged on its arc surface, and the sliding teeth mesh with the meshing teeth (24). The end of the slide plate (23) away from the meshing teeth (24) is fixedly connected to a return spring (26), and the end of the return spring (26) away from the slide plate (23) is fixedly connected to the cable body (1).

2. A multi-gradient temperature-controlled fireproof cable according to claim 1, characterized in that: The liquid flow regulating mechanism (3) comprises a multifunctional sealing regulating block (31), the outer surface of the multifunctional sealing regulating block (31) being threadedly connected to a sliding plate (32), and one end of the sliding plate (32) away from the multifunctional sealing regulating block (31) being slidably connected to a fixed block (34).

3. A multi-gradient temperature-controlled fireproof cable according to claim 2, characterized in that: A tension spring (33) is sleeved on the outer surface of the sliding plate (32), one end of the tension spring (33) is fixedly connected to the sliding plate (32), and the other end of the tension spring (33) is fixedly connected to the fixed block (34).

4. A multi-gradient temperature-controlled fireproof cable according to claim 3, characterized in that: The inner ring surface of the fixed block (34) is fixedly connected to the fireproof heat-conducting layer (13), and the inner ring of the multifunctional sealing adjustment block (31) is rotatably connected to the annular porous liquid-passing sleeve (12), and the annular porous liquid-passing sleeve (12) is evenly provided with liquid-passing grooves (37).

5. A multi-gradient temperature-controlled fireproof cable according to claim 4, characterized in that: The multifunctional sealing adjustment block (31) is provided with a liquid collecting chamber (39), and the multifunctional sealing adjustment block (31) is also provided with a liquid injection hole (38), the liquid injection hole (38) and the liquid collecting chamber (39) are in communication with each other, a liquid isolating plate (35) is fixedly connected to the circumference of the liquid collecting chamber (39), and a filter screen (36) is installed at one end of the liquid passage groove (37) close to the liquid isolating plate (35).

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