Multi-point thermal resistor device with extended function

Abstract

The invention discloses a multi-point thermal resistance device with an expansion function, which comprises a junction box, a protection tube, a protection circular ring, an expansion structure and a detection structure, and has the beneficial effects that the equipment can flexibly adjust the detection range through the rotation and stretching of a T-shaped expansion shaft tube and an expansion inner shaft tube, so as to adapt to the detection requirements of different sizes and shapes; due to the design of an auxiliary expansion assembly and an expansion sliding block, the expansion capacity and stability of the equipment are further enhanced; and by utilizing a magnetic conduction mechanism of the electromagnet and the tooth-mounted metal rod, accurate control on the T-shaped expansion shaft tube and the expansion inner shaft tube is realized, and the accuracy and the reliability of operation are ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of xx, and in particular to a multi-point thermal resistor device with extended functions. Background Art

[0002] Thermal resistors are the most commonly used temperature detectors in the medium and low temperature range. Their temperature measurement principle is based on the property that the resistance of metal conductors increases as the temperature rises. However, traditional thermal resistor products are currently limited by their external structure. When measuring objects with arc structures, they can only achieve single-point contact, which leads to low temperature measurement reliability, slow temperature measurement response, and inaccurate measurement results. They cannot meet the needs of users who have high precision requirements for measurement results. For the above problems, there may already be technical means to solve them in the existing technology, but this case intends to provide an alternative or replacement technical solution. Summary of the invention

[0003] The technical solution of the present invention to achieve the above-mentioned purpose is: a multi-point thermal resistor device with an extended function, comprising: a junction box, a protection tube, a protection ring, an extension structure and a detection structure, wherein the protection tube is inserted into the junction box, the protection ring is installed on the protection tube, the extension structure is installed on the protection tube, and the detection structure is installed on the extension structure; The expansion structure comprises: a plurality of T-shaped expansion shaft tubes, a plurality of L-shaped cable drainage tubes, a plurality of expansion inner shaft tubes, a plurality of expansion rings, a plurality of expansion magnet rings, a plurality of expansion metal rings, a plurality of expansion Z-shaped conduction rods, a plurality of toothed metal rods, a plurality of L-shaped conduction metal rods, an expansion electromagnet ring block, an auxiliary expansion component and a lifting and stretching component; The protective tube is provided with a plurality of expansion concave grooves, a plurality of T-shaped expansion shaft tubes are respectively inserted into the inner sides of the plurality of expansion concave grooves through bearings, a plurality of L-shaped cable drainage tubes are respectively inserted into the plurality of T-shaped expansion shaft tubes, and a plurality of L-shaped cable drainage tubes are inserted into the protective tube, a plurality of expansion inner shaft tubes are respectively movably inserted into the inner sides of the plurality of T-shaped expansion shaft tubes, a plurality of expansion rings are respectively installed on the inner sides of the plurality of T-shaped expansion shaft tubes, a plurality of expansion magnet rings are respectively installed on the plurality of expansion inner shaft tubes, a plurality of expansion metal rings are respectively installed on the plurality of expansion rings, a plurality of expansion Z-shaped conduction rods are respectively installed on the plurality of Inserted on several T-shaped expansion shaft tubes, and several Z-shaped conduction rods are respectively connected to the expansion metal rings on several expansion rings, several toothed metal rods are evenly inserted on the protection tube, several L-shaped conduction metal rods are evenly inserted on several expansion concave grooves, and several L-shaped conduction metal rods are respectively connected to several toothed metal rods, several expansion electromagnet ring blocks are respectively installed on several protection tubes, and several expansion electromagnet ring blocks are respectively connected to several toothed metal rods, the auxiliary expansion assembly is installed on several T-shaped expansion shaft tubes and several L-shaped cable drainage tubes, and the lifting and stretching assembly is installed on the protection tube; It should be noted that, in the above, the protective tube is inserted into the inner side of the detection equipment, and the lifting and stretching assembly drives several auxiliary extension assemblies thereon, and the several auxiliary extension assemblies respectively drive the extended inner shaft tube thereon, and the extended inner shaft tube drives the T-shaped extended shaft tube on the outside thereof, so that the T-shaped extended shaft tube rotates along the inner side of the extended concave groove, thereby driving the change of the angle of the T-shaped extended shaft tube and the extended inner shaft tube, thereby driving the T-shaped extension shaft and the extended inner shaft tube to be fed and pulled, so that the T-shaped extended shaft tube rotates along the inner side of the L-shaped cable drainage tube, and at the same time, the extended electromagnet ring block is energized, and the magnetic conduction is respectively carried out on several toothed metal rods through the extended electromagnet ring block, and several teeth are used to drive the T-shaped extended shaft tube and the extended inner shaft tube to rotate along the inner side of the L-shaped cable drainage tube. The metal rods transfer magnetism to several L-shaped conductive metal rods respectively, and the magnetism is transferred to the extended Z-shaped conductive rod on the T-shaped extended shaft tube through the several L-shaped conductive metal rods. Through the rotation of the T-shaped extended shaft tube, the extended Z-shaped conductive rod on the T-shaped extended shaft tube is rotated to contact the L-shaped conductive metal rod, thereby driving the magnetism to be transferred to the extended Z-shaped conductive rod, and the magnetism is transferred to several extended metal rings through the extended Z-shaped conductive rod. Through the several extended metal rings, the magnetism repels several extended magnet rings respectively, and the extended inner shaft tubes thereon are driven respectively through the several extended magnet rings, and the extended inner shaft tubes thereon are driven to be stably horizontally extended and retracted along the T-shaped extended shaft tube through the auxiliary extension component, thereby increasing the detection range.

[0004] Preferably, the auxiliary expansion component comprises: a plurality of expansion telescopic shafts, a plurality of expansion sliders, a plurality of expansion slideways and a plurality of circular telescopic rubber rings; A plurality of the expansion slides are evenly mounted on a plurality of the expansion slides, a plurality of the expansion sliders are mounted on the outsides of a plurality of the expansion inner shaft tubes, and a plurality of the expansion sliders are movably inserted on the insides of a plurality of the expansion slides, a plurality of the expansion telescopic shafts are respectively inserted on the insides of a plurality of the expansion slides, and a plurality of the expansion telescopic shafts are respectively movably inserted on a plurality of the expansion sliders, and a plurality of the annular telescopic rubber rings are respectively mounted on a plurality of the T-shaped expansion shaft tubes and a plurality of the expansion inner shaft tubes; It should be noted that, in the above, several extended inner shaft tubes respectively drive several extended sliders thereon, so that the several extended sliders respectively perform stable horizontal extension and retraction along the inner sides of several extended slideways on the inner side of the T-shaped extended shaft tube, and at the same time, the horizontal extension and retraction of the extended sliders are limited by several extended telescopic shafts, and at the same time, the extended inner shaft tube and the inner side of the T-shaped extended shaft tube are stably horizontally extended and sealed by the circular telescopic rubber ring.

[0005] Preferably, the lifting and stretching assembly comprises: a plurality of toothed lifting and stretching rods, a plurality of lifting and stretching wheels, a lifting and stretching convex circular ring block, a lifting and stretching circular ring electromagnet, a lifting and stretching circular ring magnet, a pair of electromagnetic locks and a plurality of triangular lifting and round blocks; The protection tube is provided with a plurality of toothed lifting grooves, and the plurality of toothed lifting grooves are respectively connected to the inner sides of the plurality of extended concave grooves, the plurality of toothed lifting and stretching rods are respectively movably inserted into the inner sides of the plurality of toothed lifting and stretching grooves, the plurality of lifting and stretching wheels are respectively inserted into the plurality of toothed lifting and stretching rods, the protection tube is provided with a convex circular ring stretching groove, the lifting and stretching convex circular ring block is movably inserted into the inner side of the convex circular ring stretching groove, the lifting and stretching circular ring electromagnet is installed on the inner side of the convex circular ring stretching groove, the lifting and stretching circular ring magnet is installed on the lifting and stretching convex circular ring block, a pair of electromagnetic locks are installed on the protection tube, and the plurality of triangular lifting and winding blocks are respectively installed on the plurality of extended inner shaft tubes; It should be noted that, in the above, the lifting and stretching ring electromagnet is energized, the lifting and stretching ring magnet is magnetically adsorbed by the lifting and stretching ring electromagnet, and the lifting and stretching ring magnet drives the lifting and stretching convex ring block thereon, so that the lifting and stretching convex ring block is stably lifted and lowered vertically along the inner side of the convex ring stretching groove, and at the same time, the lifting and stretching convex ring block drives a number of toothed lifting and stretching rods thereon, and the lifting and stretching wheels thereon are driven by a number of toothed lifting and stretching rods, and a number of T-shaped expansion shaft tubes are stably lifted and stretched vertically by a number of lifting and stretching wheels, and at the same time, the lifting and stretching wheels are assisted in lifting and extending by the triangular lifting and round blocks, and at the same time, the lifting and stretching convex ring blocks are horizontally expanded, telescopically limited and fixed by a pair of electromagnets.

[0006] Preferably, the detection structure comprises: a plurality of temperature sensing elements, a plurality of set insulating layers and a plurality of guide wires; A plurality of the set insulating layers are respectively set on a plurality of the extended inner shaft tubes, a plurality of the temperature sensing elements are respectively inserted on a plurality of the extended inner shaft tubes and a plurality of the set insulating layers, a plurality of the guide wires are respectively connected to a plurality of the temperature sensing elements, and a plurality of the guide wires are respectively connected to a plurality of the T-shaped extended shaft tubes, a plurality of the extended inner shaft tubes and a plurality of the L-shaped cable drainage tubes; It should be noted that, in the above, the position is limited by the temperature sensing elements on the extended inner shaft tube, the temperature is detected by the temperature sensing elements, and the signal is transmitted through the guide wire.

[0007] Preferably, a protective layer is provided on the inner side of the protection tube and the plurality of the expanded concave grooves.

[0008] Preferably, sealed bearings are provided at the connection points between the plurality of T-shaped expansion shaft tubes and the plurality of telescopic L-shaped cable drainage tubes.

[0009] Preferably, resistance adjusters are provided on the expansion electromagnet ring block and the lifting and stretching ring electromagnet.

[0010] Preferably, the expansion electromagnet ring block and the lifting and stretching ring electromagnet are provided with current regulators.

[0011] Preferably, an insulating layer is provided on the inner sides of the protection tube and the plurality of the extended concave grooves respectively.

[0012] Preferably, buffer arc blocks are provided on the inner sides of several of the expanded concave grooves.

[0013] Compared with the prior art, the multi-point thermal resistor device with expansion function manufactured by the technical solution of the present invention has the following advantages: through the rotation and extension of the T-shaped expansion shaft tube and the expansion inner shaft tube, the device can flexibly adjust the detection range to adapt to the detection requirements of different sizes and shapes; the design of the auxiliary expansion component and the expansion slider further enhances the expansion capability and stability of the device; the magnetic conduction mechanism of the electromagnet and the toothed metal rod is utilized to realize the precise control of the T-shaped expansion shaft tube and the expansion inner shaft tube, thereby ensuring the accuracy and reliability of the operation; the design of the lifting and stretching wheel and the triangular lifting and retracting block enables the T-shaped expansion shaft tube to stably perform vertical lifting, thereby further improving the accuracy of the control. degree; the use of the circular expansion rubber ring effectively realizes the stable horizontal expansion seal between the expansion inner shaft tube and the T-shaped expansion shaft tube, preventing the leakage of liquid or gas; the limiting effect of the expansion expansion shaft on the expansion slider enhances the stability of the equipment during horizontal expansion and contraction; the temperature sensing element on the expansion inner shaft tube can detect the temperature in real time and transmit the signal through the guide line, realizing real-time monitoring of the detection environment; the equipment integrates multiple functions such as temperature detection, horizontal expansion and contraction, vertical lifting, etc., realizing one machine for multiple uses, and improving the comprehensive performance and use value of the equipment; the design of the equipment takes modularity and maintainability into consideration, so that the equipment can be quickly maintained and upgraded when necessary. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic front view of a multi-point thermal resistor device with extended functions.

[0015] Figure 2 The present invention is a schematic diagram of a partial cross-section of a multi-point thermal resistor device with extended functions.

[0016] Figure 3 The present invention provides a schematic side view of a partial operation cross-sectional view of a multi-point thermal resistor device with extended functions.

[0017] Figure 4 The present invention is a top view of a trapezoidal cross-sectional schematic diagram of a multi-point thermal resistor device with extended functions.

[0018] Figure 5 for Figure 2 A partial enlarged view of “A” in the figure.

[0019] Figure 6 for Figure 2 A partial enlarged view of "B".

[0020] Figure 7 for Figure 3 A partial enlarged view of "C" in the figure.

[0021] In the figure: 1. junction box; 2. protection tube; 3. protection ring; 101. T-type extension shaft tube; 102. L-type cable drainage tube; 103. extension inner shaft tube; 104. extension ring; 105. extension magnet ring; 106. extension metal ring; 107. extension Z-type conduction rod; 108. toothed metal rod; 109. L-type conduction metal rod; 110. extension electromagnet ring block; 201. extension telescopic shaft; 202. extension slider; 203. extension slide; 301. toothed lifting and stretching rod; 302. lifting and stretching wheel; 303. lifting and stretching convex ring block; 304. lifting and stretching ring electromagnet; 305. lifting and stretching ring magnet; 306. electromagnetic lock; 307. triangular lifting and round block; 401. temperature sensing element; 402. set insulation layer; 403. guide wire. DETAILED DESCRIPTION

[0022] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control. Example

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-7As shown, the protection tube 2 is inserted into the junction box 1, the protection ring 3 is installed on the protection tube 2, the extension structure is installed on the protection tube 2, and the detection structure is installed on the extension structure; the extension structure includes: a plurality of T-shaped extension shaft tubes 101, a plurality of L-shaped cable drainage tubes 102, a plurality of extension inner shaft tubes 103, a plurality of extension rings 104, a plurality of extension magnet rings 105, a plurality of extension metal rings 106, a plurality of extension Z-shaped conduction rods 107, a plurality of toothed metal rods 108, a plurality of L-shaped conduction metal rods 109, an extension electromagnet ring block 110, and an auxiliary extension component. and a lifting and stretching assembly; the protection tube 2 is provided with a plurality of expansion concave grooves, a plurality of the T-shaped expansion shaft tubes 101 are respectively inserted into the inner sides of the plurality of the expansion concave grooves through bearings, a plurality of the L-shaped cable drainage tubes 102 are respectively inserted into the plurality of the T-shaped expansion shaft tubes 101, and a plurality of the L-shaped cable drainage tubes 102 are inserted into the protection tube 2, a plurality of the expansion inner shaft tubes 103 are respectively movably inserted into the inner sides of the plurality of the T-shaped expansion shaft tubes 101, a plurality of the expansion rings 104 are respectively installed in the inner sides of the plurality of the T-shaped expansion shaft tubes 101, On the side, several of the extended magnet rings 105 are respectively installed on several of the extended inner shaft tubes 103, several of the extended metal rings 106 are respectively installed on several of the extended rings 104, several of the extended Z-shaped conduction rods 107 are respectively inserted on several of the T-shaped extended shaft tubes 101, and several of the Z-shaped conduction rods are respectively connected to the extended metal rings 106 on several of the extended rings 104, several of the toothed metal rods 108 are uniformly inserted on the protection tube 2, several of the L-shaped conduction metal rods 109 are uniformly inserted on several of the extended concave grooves, and several of the L-shaped conduction metal rods 108 are uniformly inserted on the protection tube 2. The guide metal rod 109 is respectively connected to a plurality of the toothed metal rods 108, a plurality of the extension electromagnet ring blocks 110 are respectively installed on a plurality of the protection tubes 2, and a plurality of the extension electromagnet ring blocks 110 are respectively connected to a plurality of the toothed metal rods 108, the auxiliary extension component is installed on a plurality of the T-shaped extension shaft tubes 101 and a plurality of the L-shaped cable drainage tubes 102, and the lifting and stretching component is installed on the protection tube 2; the auxiliary extension component includes: a plurality of extension telescopic shafts 201, a plurality of extension sliders 202, a plurality of extension slideways 203 and a plurality of circular telescopic rubber rings;A plurality of the expansion slides 203 are evenly mounted on the plurality of the expansion slides 203, a plurality of the expansion sliders 202 are mounted on the outsides of the plurality of the expansion inner shaft tubes 103, and a plurality of the expansion sliders 202 are movably inserted on the insides of the plurality of the expansion slides 203, a plurality of the expansion telescopic shafts 201 are respectively inserted on the insides of the plurality of the expansion slides 203, and a plurality of the expansion telescopic shafts 201 are respectively movably inserted on the plurality of the expansion sliders 202, and a plurality of the annular telescopic rubber rings are respectively mounted on a plurality of the T-shaped expansion shaft tubes 101 and a plurality of the expansion inner shaft tubes 103; the lifting and stretching assembly comprises: a plurality of toothed lifting and stretching rods 30 1. Several lifting and stretching wheels 302, lifting and stretching convex circular ring blocks 303, lifting and stretching circular ring electromagnets 304, lifting and stretching circular ring magnets 305, a pair of electromagnetic locks 306 and several triangular lifting and round blocks 307; the protection tube 2 is provided with several toothed lifting grooves, and several of the toothed lifting grooves are respectively connected to the inner sides of several of the extended concave grooves, several of the toothed lifting and stretching rods 301 are respectively movably inserted into the inner sides of several of the toothed lifting grooves, several of the lifting and stretching wheels 302 are respectively inserted into several of the toothed lifting and stretching rods 301, the protection tube 2 is provided with a convex circular ring stretching groove, and the lifting and stretching convex circular ring block 303 is movably inserted into the inner sides of the convex circular ring stretching groove. The lifting and stretching ring electromagnet 304 is installed on the inner side of the convex ring stretching groove, the lifting and stretching ring magnet 305 is installed on the lifting and stretching convex ring block 303, a pair of electromagnetic locks 306 are installed on the protection tube 2, and a plurality of triangular lifting and lowering round blocks 307 are respectively installed on a plurality of the extended inner shaft tubes 103; the detection structure includes: a plurality of temperature sensing elements 401, a plurality of set insulation layers 402 and a plurality of guide wires 403; a plurality of the set insulation layers 402 are respectively set on a plurality of the extended inner shaft tubes 103, and a plurality of the temperature sensing elements 401 are respectively inserted into a plurality of the extended inner shaft tubes 103 and a plurality of the set insulation layers 402. On the layer 402, several guide wires 403 are respectively connected to several temperature sensing elements 401, and several guide wires 403 are respectively connected to several T-shaped expansion shaft tubes 101, several expansion inner shaft tubes 103 and several L-shaped cable drainage tubes 102; the inner side of the protection tube 2 and several expansion concave grooves is provided with a protective layer; the connection between several T-shaped expansion shaft tubes 101 and several telescopic L-shaped cable drainage tubes 102 is provided with a sealed bearing; the expansion electromagnet ring block 110 and the lifting and stretching ring electromagnet 304 are provided with a resistance regulator; the expansion electromagnet ring block 110 and the lifting and stretching ring electromagnet 304 are provided with a current regulator;The inner sides of the protection tube 2 and the plurality of the extended concave grooves are respectively provided with insulating layers; the inner sides of the plurality of the extended concave grooves are provided with buffer arc blocks. ;

[0024] According to the attached Figure 1-7It is concluded that the protective tube 2 is inserted into the inner side of the detection device, and the lifting and stretching components drive the several auxiliary extension components thereon, and the several auxiliary extension components respectively drive the extended inner shaft tube 103 thereon, and the extended inner shaft tube 103 drives the T-shaped extended shaft tube 101 on the outside thereof, so that the T-shaped extended shaft tube 101 rotates along the inner side of the extended concave groove, thereby driving the change of the angle of the T-shaped extended shaft tube 101 and the extended inner shaft tube 103, thereby driving the T-shaped extended shaft and the extended inner shaft tube 103 to be fed and pulled. The T-shaped extension shaft tube 101 rotates along the inner side of the L-shaped cable drainage tube 102, and the extension electromagnet ring block 110 is energized at the same time. The extension electromagnet ring block 110 conducts magnetism to the plurality of toothed metal rods 108, and the magnetism is transmitted to the plurality of L-shaped conductive metal rods 109 through the plurality of toothed metal rods 108, and the magnetism is transmitted to the extension Z-shaped conductive rods 107 on the T-shaped extension shaft tube 101 through the plurality of L-shaped conductive metal rods 109. The T-shaped extension shaft tube 101 rotates to extend the T-shaped cable drainage tube 102. The extended Z-shaped conductive rod 107 on the extended shaft tube 101 rotates to contact the L-shaped conductive metal rod 109, thereby driving the magnetism to be transmitted to the extended Z-shaped conductive rod 107, and the magnetism is transmitted to the plurality of extended metal rings 106 through the extended Z-shaped conductive rod 107, and the magnetism is respectively repelled to the plurality of extended magnet rings 105 through the plurality of extended metal rings 106, and the extended inner shaft tube 103 thereon is respectively driven by the plurality of extended magnet rings 105, and the extended inner shaft tube 103 thereon is driven by the auxiliary extension component along the T-shaped expansion The expansion shaft tube 101 is stably extended horizontally, thereby increasing the detection range; the plurality of extended inner shaft tubes 103 respectively drive the plurality of extended sliders 202 thereon, so that the plurality of extended sliders 202 are stably extended horizontally along the inner sides of the plurality of extended slideways 203 on the inner sides of the T-shaped expansion shaft tube 101, and the horizontal extension of the extended sliders 202 is limited by the plurality of extended extension shafts 201, and the extended inner shaft tube 103 and the inner sides of the T-shaped expansion shaft tube 101 are stably extended horizontally and sealed by the circular expansion rubber ring;The lifting and stretching ring electromagnet 304 is energized, and the lifting and stretching ring electromagnet 304 magnetically adsorbs the lifting and stretching ring magnet 305, and the lifting and stretching ring magnet 305 drives the lifting and stretching convex ring block 303 thereon, so that the lifting and stretching convex ring block 303 is stably lifted and lowered vertically along the inner side of the convex ring stretching groove, and at the same time, the lifting and stretching convex ring block 303 drives the several toothed lifting and stretching rods 301 thereon, and the several toothed lifting and stretching rods 301 respectively drive the lifting and stretching rods thereon. The stretching wheel 302 stably lifts and stretches a plurality of T-shaped extension shaft tubes 101 vertically through a plurality of lifting and stretching wheels 302, and at the same time, the lifting and stretching wheel 302 is assisted in lifting and extending through the triangular lifting and round-shaped block 307, and at the same time, the lifting and stretching convex circular ring block 303 is horizontally extended and retracted and fixed through a pair of electromagnets; the temperature sensing elements 401 on the plurality of extension inner shaft tubes 103 are used for position limiting, the temperature is detected through the temperature sensing elements 401, and the signal is transmitted through the guide wire 403. ;

[0025] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims

1. A multi-point thermal resistance device with extended functions, comprising: A junction box, a protective tube, a protective ring, an extension structure and a detection structure, wherein the protective tube is inserted into the junction box, the protective ring is mounted on the protective tube, the extension structure is mounted on the protective tube, and the detection structure is mounted on the extension structure; The expansion structure comprises: a plurality of T-shaped expansion shaft tubes, a plurality of L-shaped cable drainage tubes, a plurality of expansion inner shaft tubes, a plurality of expansion rings, a plurality of expansion magnet rings, a plurality of expansion metal rings, a plurality of expansion Z-shaped conduction rods, a plurality of toothed metal rods, a plurality of L-shaped conduction metal rods, an expansion electromagnet ring block, an auxiliary expansion component and a lifting and stretching component; The protective tube is provided with a plurality of expansion concave grooves, a plurality of T-shaped expansion shaft tubes are respectively inserted into the inner sides of the plurality of expansion concave grooves through bearings, a plurality of L-shaped cable drainage tubes are respectively inserted into the plurality of T-shaped expansion shaft tubes, and a plurality of L-shaped cable drainage tubes are inserted into the protective tube, a plurality of expansion inner shaft tubes are respectively movably inserted into the inner sides of the plurality of T-shaped expansion shaft tubes, a plurality of expansion rings are respectively installed on the inner sides of the plurality of T-shaped expansion shaft tubes, a plurality of expansion magnet rings are respectively installed on the plurality of expansion inner shaft tubes, a plurality of expansion metal rings are respectively installed on the plurality of expansion rings, a plurality of expansion Z-shaped conduction rods are respectively installed on the plurality of It is inserted on several of the T-shaped expansion shaft tubes, and several of the Z-shaped conduction rods are respectively connected to the expansion metal rings on several of the expansion rings, several of the toothed metal rods are evenly inserted on the protection tube, several of the L-shaped conduction metal rods are evenly inserted on several of the expansion concave grooves, and several of the L-shaped conduction metal rods are respectively connected to several of the toothed metal rods, several of the expansion electromagnet ring blocks are respectively installed on several of the protection tubes, and several of the expansion electromagnet ring blocks are respectively connected to several of the toothed metal rods, the auxiliary expansion assembly is installed on several of the T-shaped expansion shaft tubes and several of the L-shaped cable drainage tubes, and the lifting and stretching assembly is installed on the protection tube.

2. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: The auxiliary expansion component includes: a plurality of expansion telescopic shafts, a plurality of expansion sliders, a plurality of expansion slideways and a plurality of circular telescopic rubber rings; A plurality of the extension slides are evenly installed on a plurality of the extension slides, a plurality of the extension sliders are installed on the outer sides of a plurality of the extension inner shaft tubes, and a plurality of the extension sliders are movably inserted on the inner sides of a plurality of the extension slides, a plurality of the extension telescopic shafts are inserted on the inner sides of a plurality of the extension slides, and a plurality of the extension telescopic shafts are movably inserted on a plurality of the extension sliders, and a plurality of the annular telescopic rubber rings are installed on a plurality of the T-shaped extension shaft tubes and a plurality of the extension inner shaft tubes.

3. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: The lifting and stretching assembly comprises: a plurality of toothed lifting and stretching rods, a plurality of lifting and stretching wheels, a lifting and stretching convex circular ring block, a lifting and stretching circular ring electromagnet, a lifting and stretching circular ring magnet, a pair of electromagnetic locks and a plurality of triangular lifting and circular blocks; The protection tube is provided with a plurality of toothed lifting grooves, and the plurality of toothed lifting grooves are respectively connected to the inner sides of the plurality of extended concave grooves, the plurality of toothed lifting and stretching rods are respectively movably inserted into the inner sides of the plurality of toothed lifting and stretching grooves, the plurality of lifting and stretching wheels are respectively inserted into the plurality of toothed lifting and stretching rods, the protection tube is provided with a convex circular ring stretching groove, the lifting and stretching convex circular ring block is movably inserted into the inner sides of the convex circular ring stretching groove, the lifting and stretching circular ring electromagnet is installed on the inner sides of the convex circular ring stretching groove, the lifting and stretching circular ring magnet is installed on the lifting and stretching convex circular ring block, a pair of electromagnetic locks are installed on the protection tube, and the plurality of triangular lifting and stretching circular blocks are respectively installed on the plurality of extended inner shaft tubes.

4. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: The detection structure includes: a plurality of temperature sensing elements, a plurality of set insulating layers and a plurality of guide wires; Several of the set insulating layers are respectively set on several of the extended inner shaft tubes, several of the temperature sensing elements are respectively inserted into several of the extended inner shaft tubes and several of the set insulating layers, several of the guide wires are respectively connected to several of the temperature sensing elements, and several of the guide wires are respectively connected to several of the T-shaped extended shaft tubes, several of the extended inner shaft tubes and several of the L-shaped cable drainage tubes.

5. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: A protective layer is arranged inside the protection tube and a plurality of the expanded concave grooves.

6. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: Sealed bearings are provided at the connection points of a plurality of the T-shaped expansion shaft tubes and a plurality of the telescopic L-shaped cable drainage tubes.

7. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: The expansion electromagnet ring block and the lifting and stretching electromagnet ring block are provided with resistance adjusters.

8. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: The expansion electromagnet ring block and the lifting and stretching electromagnet ring block are provided with a current regulator.

9. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: The inner sides of the protection tube and the plurality of the expanded concave grooves are respectively provided with insulating layers.

10. A multi-point thermal resistor device with extended functions according to claim 1, characterized in that: Buffer arc blocks are arranged on the inner sides of a plurality of the extended concave grooves.

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