Constant-temperature explosion-proof electric tracing band

Abstract

The utility model relates to the technical field of electric tracing bands, in particular to a constant-temperature explosion-proof electric tracing band, which comprises a cable, an annular groove arranged at one end of the cable, a battery core exposed out of the cable, and a first arc-shaped plate and a second arc-shaped plate symmetrically arranged on two sides of the annular groove, the edge of the first arc-shaped plate and the edge of the second arc-shaped plate are each provided with a fixing lug, and the two fixing lugs are oppositely arranged and fastened through bolts. Arc-shaped pressing plates are coaxially arranged on the inner side of the first arc-shaped plate and the inner side of the second arc-shaped plate; and concave surfaces of the pressing plates correspond to the battery cells. When the constant-temperature explosion-proof electric tracing band is used, the constant-temperature explosion-proof electric tracing band clings to a battery cell of a cable through the sheet-shaped thermistor under the elastic action of the compression spring, so that the temperature of the battery cell can be monitored in real time, and the change of the temperature of the battery cell can be known in time, so that the output power of the battery cell can be better controlled; the constant-temperature use of the electric tracing band is ensured, and the electric tracing band is prevented from being broken and damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric heat tracing band technical field especially relates to a constant temperature explosion -proof electric heat tracing band. BACKGROUND

[0002] Electric heat tracing band is a kind of electric heating equipment by conductive polymer, metal wire and insulating sheath. Its core feature is that conductive polymer has very high positive temperature coefficient characteristic, can automatically regulate output power along with the temperature change of the heated system, thereby automatically limits heating temperature.

[0003] When electric heat tracing band is used, it generates heat by internal electric core power supply, and heat is transferred outward along the shell, thereby achieving the purpose of heating installation objects. Since the heat capacity of the shell itself is limited, and the gas expands when heated, if the temperature of electric heat tracing band continues to rise and cannot be kept constant, the shell may be damaged. Therefore, the constant temperature explosion -proof electric heat tracing band is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a constant temperature explosion -proof electric heat tracing band.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a constant temperature explosion -proof electric heat tracing band is designed, which comprises a cable, an annular groove is formed at one end of the cable, the electric core in the cable is allowed to leak out, first and second arc-shaped plates are symmetrically arranged on both sides of the annular groove, fixing ears are arranged at the edges of the first and second arc-shaped plates, and the two fixing ears are oppositely arranged and fastened by bolts.

[0006] The inner sides of the first and second arc-shaped plates are coaxially provided with arc-shaped pressing plates, the concave surfaces of the pressing plates correspond to the electric core, the middle parts of the convex surfaces of the pressing plates are provided with support shafts, the other ends of the support shafts are arranged in support pipes, the support pipes are fixed with the corresponding first and second arc-shaped plates, compression springs are sleeved on the support shafts, one end of each compression spring is fixed on the pressing plate, and the other end of each compression spring is fixed on the support pipe.

[0007] A control box is further arranged on the inner side of the first arc-shaped plate, a control mainboard is arranged in the control box, a sheet-shaped thermistor is connected to the control mainboard by wires, and the thermistor is fixed on the inner side of the pressing plate.

[0008] Preferably, arc-shaped baffles are coaxially arranged at the two ends of the first arc-shaped plate and the two ends of the second arc-shaped plate, and the inner sides of the baffles correspond to the electric core.

[0009] Preferably, support plates are arranged along the edges of the baffles, and the support plates are insulating plates.

[0010] Preferably, an arc-shaped limiting plate is vertically installed on the side of the baffle away from the pressure plate, the limiting plate being coaxial with the baffle and corresponding to the outer wall of the cable.

[0011] Preferably, the first arc-shaped plate, the second arc-shaped plate, and the baffle are all heat-insulating plates, and the pressure plate is an elastic insulating sheet.

[0012] Preferably, sealing gaskets are installed on the relatively close sides of the first and second arc-shaped plates.

[0013] Preferably, guide shafts are provided parallel to each other on both sides of the support shaft, the bottom of the guide shaft is fixed to the pressure plate, and the top of the guide shaft is placed inside the sleeve, and the sleeve is fixed to the corresponding first arc plate and second arc plate.

[0014] The design scheme proposed in this utility model has the following beneficial effects in application:

[0015] 1. This constant temperature explosion-proof electric heating cable uses a sheet-like thermistor to be tightly attached to the cable core under the elastic action of a compression spring. This allows for real-time monitoring of the core temperature and timely detection of changes in the core temperature, enabling better control of the core's output power, ensuring the constant temperature operation of the electric heating cable, and preventing it from breaking or being damaged.

[0016] 2. The constant temperature explosion-proof electric heating cable, through the setting of the support plate and the limiting plate, shields and seals all the battery cells wrapped by the arc plate, preventing the battery cells at the detection position from coming into contact with the outside world, thereby causing errors in the measurement data. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the first and second arc-shaped plates of this utility model;

[0020] Figure 4 This is a cross-sectional view of the first arc-shaped plate of this utility model.

[0021] In the diagram: 1. Cable; 2. Annular groove; 3. First arc plate; 4. Second arc plate; 5. Fixing ear; 6. Pressure plate; 7. Support shaft; 8. Support tube; 9. Compression spring; 10. Sleeve; 11. Guide shaft; 12. Thermistor; 13. Control box; 14. Baffle; 15. Support plate; 16. Limiting plate; 17. Sealing gasket. Detailed Implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] With reference to Figures 1-4 A constant-temperature explosion-proof electric heat tracing band, comprising a cable 1, an annular groove 2 is formed at one end of the cable 1, so that the battery inside the cable 1 leaks out, first and second arc-shaped plates 3 and 4 are symmetrically arranged at both sides of the annular groove 2, a fixing lug 5 is arranged at the edge of the first arc-shaped plate 3 and the edge of the second arc-shaped plate 4, the two fixing lugs 5 are oppositely arranged and fastened by bolts, so that the two arc-shaped plates can be clamped and fixed on the outside of the battery, which not only ensures the stability of the arc-shaped plates on the battery, but also facilitates the disassembly of the two arc-shaped plates.

[0024] Further, arc-shaped baffles 14 are coaxially arranged at both ends of the first arc-shaped plate 3 and both ends of the second arc-shaped plate 4, the inner side of the baffle 14 corresponds to the battery, when the two arc-shaped plates are combined on the battery, the leaked battery can be completely wrapped; a support plate 15 is arranged along the edge of the baffle 14, the support plate 15 is an insulating plate, which increases the contact area between the baffle 14 and the battery, thereby improving the stability of the two arc-shaped plates when they are fixed on the battery.

[0025] And an arc-shaped limiting plate 16 is perpendicularly arranged on the side of the baffle 14 away from the pressing plate 6, the limiting plate 16 corresponds to the baffle 14 coaxially, and the limiting plate 16 corresponds to the outer wall of the cable 1, as the arc-shaped plates are combined and fixed, the limiting plate 16 will also be pressed on the outer wall of the cable 1, thereby further improving the airtightness of the inner side of the arc-shaped plate and the fixing effect of the arc-shaped plate on the cable 1.

[0026] Among them, the first arc-shaped plate 3, the second arc-shaped plate 4 and the baffle 14 are all heat insulation plates, a sealing gasket 17 is arranged on the side of the first arc-shaped plate 3 and the second arc-shaped plate 4 close to each other, so that the heat emitted by the leaked battery will not contact with the environment outside the arc-shaped plate, thereby ensuring the temperature stability on the battery.

[0027] As Figure 3 And Figure 4As shown, the inner side of the first arc-shaped plate 3 and the inner side of the second arc-shaped plate 4 are coaxially provided with arc-shaped pressing plates 6, the concave surface of the pressing plate 6 corresponds to the battery cell, and the middle part of the convex surface of the pressing plate 6 is provided with a supporting shaft 7, the other end of the supporting shaft 7 is arranged in a supporting pipe 8, the supporting pipe 8 is fixed with the corresponding first arc-shaped plate 3 and second arc-shaped plate 4, a compression spring 9 is sleeved on the supporting shaft 7, one end of the compression spring 9 is fixed on the pressing plate 6, and the other end of the compression spring 9 is fixed on the supporting pipe 8, when the arc-shaped plate is combined on the battery cell, the pressing plate 6 will be attached to the battery cell, and the pressing plate 6 is an elastic insulating sheet, in the actual use process, when the pressing plate 6 is not in contact with the external object, the two sides thereof are curled inward, and with the contact of the pressing plate 6 with the battery cell, the two sides thereof are unfolded outward, so that the pressing plate 6 can be fully attached to the battery cell, and the compression spring 9 also generates elastic force on the pressing plate 6 through the sliding of the supporting shaft 7 into the supporting pipe 8, so that the pressing plate 6 is more stably pressed on the battery cell.

[0028] Further, guiding shafts 11 are arranged in parallel on the two sides of the supporting shaft 7, the bottom of the guiding shaft 11 is fixed on the pressing plate 6, and the top of the guiding shaft 11 is arranged in a sleeve pipe 10, the sleeve pipe 10 is fixed with the corresponding first arc-shaped plate 3 and second arc-shaped plate 4, and the sliding of the supporting shaft 7 in the supporting pipe 8 is guided, so as to ensure the stability of the pressing plate 6.

[0029] As shown in the drawings, Figure 3 After the pressing plate 6 is fully contacted with the battery cell, a control box 13 is arranged on the inner side of the first arc-shaped plate 3, a control mainboard is arranged in the control box 13, the control mainboard is connected with a sheet-shaped thermistor 12 through a wire, the thermistor 12 is fixed on the inner side of the pressing plate 6, the thermistor 12 is tightly attached to the battery cell, with the energization of the battery cell, the heat generated by the battery cell will completely act on the thermistor 12, so that the resistance value of the thermistor 12 will change with the temperature, after the current passing through the thermistor 12 passes through the control mainboard, the control mainboard detects the current and voltage values, so as to obtain whether the heat generation of the battery cell changes and how much the change amount changes, so as to realize the real-time monitoring of the heating temperature of the electric heating tape, and feedback the controller of the electric heating tape in the first time, so as to timely adjust and keep the constant temperature work of the electric heating tape, and prevent damage.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A constant temperature explosion-proof electric heating tape, characterized in that: Includes a cable (1), with an annular groove (2) at one end of the cable (1) to expose the battery core inside the cable (1). A first arc plate (3) and a second arc plate (4) are symmetrically arranged on both sides of the annular groove (2). Fixing ears (5) are installed at the edges of the first arc plate (3) and the edges of the second arc plate (4). The two fixing ears (5) are arranged opposite each other and fastened with bolts. An arc-shaped pressure plate (6) is coaxially provided on the inner side of the first arc plate (3) and the inner side of the second arc plate (4). The concave surface of the pressure plate (6) corresponds to the battery cell, and a support shaft (7) is installed in the middle of the convex surface of the pressure plate (6). The other end of the support shaft (7) is placed in the support tube (8). The support tube (8) is fixed to the corresponding first arc plate (3) and second arc plate (4). A compression spring (9) is sleeved on the support shaft (7). One end of the compression spring (9) is fixed on the pressure plate (6), and the other end of the compression spring (9) is fixed on the support tube (8). A control box (13) is also installed on the inner side of the first arc plate (3). A control main board is provided inside the control box (13). The control main board is connected to a sheet-shaped thermistor (12) through wires. The thermistor (12) is fixed on the inner side of the pressure plate (6).

2. The constant temperature explosion-proof electric heating tape according to claim 1, characterized in that: Arc-shaped baffles (14) are coaxially installed at both ends of the first arc plate (3) and both ends of the second arc plate (4), with the inner side of the baffles (14) corresponding to the battery cell.

3. The constant temperature explosion-proof electric heating tape according to claim 2, characterized in that: A support plate (15) is installed along the edge of the baffle (14), and the support plate (15) is an insulating plate.

4. The constant temperature explosion-proof electric heating tape according to claim 2, characterized in that: An arc-shaped limiting plate (16) is vertically installed on the side of the baffle (14) away from the pressure plate (6). The limiting plate (16) is coaxial with the baffle (14) and corresponds to the outer wall of the cable (1).

5. The constant temperature explosion-proof electric heating tape according to claim 2, characterized in that: The first arc plate (3), the second arc plate (4), and the baffle (14) are all heat insulation plates, and the pressure plate (6) is an elastic insulating sheet.

6. The constant temperature explosion-proof electric heating tape according to claim 1, characterized in that: Sealing gaskets (17) are installed on the relatively close sides of the first arc plate (3) and the second arc plate (4).

7. The constant temperature explosion-proof electric heating tape according to claim 1, characterized in that: Guide shafts (11) are provided parallel to each other on both sides of the support shaft (7). The bottom of the guide shaft (11) is fixed on the pressure plate (6), and the top of the guide shaft (11) is placed inside the sleeve (10). The sleeve (10) is fixed to the corresponding first arc plate (3) and second arc plate (4).

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