Fireproof insulating flexible self-temperature-measuring cable

Abstract

The utility model belongs to the technical field of self-temperature-measuring cables, and particularly relates to a fire-resistant insulating flexible self-temperature-measuring cable, which comprises a cable body. The temperature sensing optical fiber is located in the cable body and used for sensing the temperature of the cable body so that a fault area can be conveniently positioned, an inner ring frame is arranged in a coating layer of the cable body, an outer ring belt is arranged on the outer side of the inner ring frame, and an intercepting unit is arranged on the inner side of the inner ring frame and used for intercepting early warning signals of a sleeve. A left temperature control light-emitting unit and a right temperature control light-emitting unit are arranged on the outer side of the inner ring frame and used for emitting light after an early warning signal is sent out, and maintenance personnel can conveniently locate a fault area outdoors in time. According to the utility model, a high-temperature area can be quickly positioned outdoors and at night, so that first-aid repair operation is facilitated, and the temperature can be reduced in advance before a maintainer arrives, thereby reducing the damage of the cable and reducing the maintenance difficulty and loss.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of self -temperature measuring cable, especially relates to a fire -resistant insulation flexible self -temperature measuring cable. BACKGROUND

[0002] The fire -resistant insulation flexible self -temperature measuring cable is a kind of specially designed cable, combines fire -resistant, insulation and self -temperature measuring function, integrates temperature measuring element by built -in temperature sensing fiber, can real -time monitoring the temperature variation of cable.

[0003] At present, self -temperature measuring cable is found in the application in long -distance laying area in outdoor, background can timely find high temperature area, but for maintenance personnel, the time consumption is long when looking for the high temperature of cable in outdoor, during this period, the temperature of cable aggravates, is extremely easy to lead to the damage expansion of cable, affects repair difficulty.

[0004] To solve the above problems, a fire -resistant insulation flexible self -temperature measuring cable is provided in the application. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a fire -resistant insulation flexible self -temperature measuring cable, solve the problem presented in the above background.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model is a kind of fire -resistant insulation flexible self -temperature measuring cable, including cable body;Temperature sensing fiber is located inside the cable body for sensing the temperature of cable body and is convenient for positioning fault area, the inner ring frame is built in the cladding of cable body, its outside is equipped with outer ring belt, the inner side of the inner ring frame is equipped with intercept unit for intercepting the early warning signal of sleeve, the outer side of the inner ring frame is equipped with left and right two temperature control luminous units for emitting light after early warning signal transmission, it is convenient for maintenance personnel to position fault area in time in outdoor;Sleeve is located in the cladding adjacent outer circle area of cable body, adjacent to temperature sensing fiber, the two sides of the inner ring frame are equipped with side cavity for storing heat absorbing particles, and the inner side of side cavity is equipped with expansion unit, is affected by high temperature and expands outward after early warning signal emission, for pushing side cavity to the inside of sleeve, reach the effect of precooling cable body, prevent high temperature spread and cause damage increase by this.

[0008] Further, the side cavity adjacent to the side of sleeve is equipped with the protruding pipe body mechanism for installing sleeve, and the inside is equipped with sealing pad for intercepting side cavity to prevent misentry sleeve.

[0009] Further, the upper side of the side cavity is equipped with plug column, and the hole is used for connecting external negative pressure equipment after cable maintenance so that heat absorbing particles gather in side cavity.

[0010] Further, the inner side of the inner ring holder is provided with an upper mounting seat for mounting the intercepting unit, and the upper mounting seat cooperates with the lower mounting seat below to clamp the temperature sensing fiber.

[0011] Further, the inner side of the lower mounting seat is provided with a clamping pad for pre-fixing the temperature sensing fiber to facilitate assembly.

[0012] Further, the lower end of the upper mounting seat is provided with a plug for abutting the groove above the lower mounting seat, thereby assembling the lower mounting seat and the sleeve with the upper mounting seat.

[0013] Further, the sealing pad is composed of a plurality of triangular pieces that are mutually adhered and form a seal under mutual extrusion.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a combination of temperature sensing fiber and intercepting unit, which can timely locate the high-temperature area monitored during the use of the cable, so that the light emitted by the temperature control light-emitting unit can be found by the maintenance personnel at the first time, improves the maintenance efficiency, and avoids the situation that the best maintenance opportunity is missed due to the difficulty in carrying the background equipment outdoors.

[0016] After the temperature control light-emitting unit emits light, the high temperature makes the expansion unit expand, and then pushes the heat-absorbing particles in the side cavity into the sleeve, so as to maintain the temperature of the cable before the maintenance personnel arrive, prevent the damage from aggravating, minimize the loss, and reduce the difficulty of maintenance.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall appearance structure of the cable of the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the cable cladding layer of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the cable cladding layer of the utility model;

[0022] Figure 4 It is the internal ring frame internal partial structure schematic view of the utility model;

[0023] Figure 5 It is the A partial enlarged structure schematic view of the utility model;

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] In the drawings: 1, cable body; 2, outer ring belt; 3, sleeve; 4, temperature sensing optical fiber; 5, inner ring frame; 6, side cavity; 7, sealing gasket; 8, plug column; 9, expansion unit; 10, intercept unit; 11, upper mounting seat; 12, lower mounting seat; 13, temperature control light emitting unit; 14, clamp pad; 15, plug block. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation to the utility model.

[0028] Please refer to Figures 1-5 The utility model discloses a kind of fireproof insulating flexible self-temperature measuring cables, including cable body 1;

[0029] Temperature sensing optical fiber 4 is located in the inside of cable body 1 for sensing the temperature of cable body 1 to facilitate positioning fault area, cable body 1 is built-in with inner ring frame 5 in cladding layer, its outer side is equipped with outer ring belt 2, the inner side of inner ring frame 5 is equipped with intercept unit 10 for intercepting the early warning signal of sleeve 3, the outer side of inner ring frame 5 is equipped with left and right two temperature control light emitting units 13 for emitting light after early warning signal transmission, to facilitate maintenance personnel to locate fault area in time outdoors;

[0030] The sleeve 3 is located in the sheath layer adjacent to the outer ring area of the cable body 1, and is adjacent to the temperature sensing fiber 4; two sides of the inner ring frame 5 are provided with side cavities 6 for storing heat absorbing particles; and the inner side of the side cavity 6 is provided with an expansion unit 9 which is expanded outward under the influence of high temperature after a pre-warning signal is sent, so as to push the side cavity 6 to the inside of the sleeve 3, thereby achieving the effect of pre-cooling the cable body 1, and preventing the high temperature from spreading to cause damage.

[0031] The cable can quickly locate the high temperature area and prevent the high temperature from continuously spreading, the signal is intercepted by the interception unit 10, and the highlight display of the light emitting unit 13 is matched, so that the high temperature area of the cable can be found by the staff at the first time for maintenance, and the cable is especially suitable for outdoor and night repair operation, in addition, before the maintenance personnel arrive, the heat absorbing particles are squeezed into the sleeve 3 by the collision unit 9 to absorb the heat of the cable, thereby preventing the high temperature from continuously spreading to reduce the loss effect, and the maintenance difficulty is reduced.

[0032] The side cavity 6 is provided with a protruding pipe body mechanism adjacent to one side of the sleeve 3, which is used for installing the sleeve 3, and the inside is provided with a sealing gasket 7 for intercepting the side cavity 6 to prevent mistaken entry into the sleeve 3, and the sealing gasket 7 is composed of a plurality of triangular pieces which are mutually adhered and form a seal under mutual extrusion.

[0033] The upper side of the side cavity 6 is provided with a plug column 8, after the cable body 1 is repaired, the hole on the side cavity 6 is connected to the external negative pressure equipment, so that the heat absorbing particles are gathered in the side cavity 6.

[0034] The inside of the inner ring frame 5 is provided with an upper mounting seat 11 for installing the interception unit 10, and the upper mounting seat 11 is matched with a lower mounting seat 12 below to clamp the temperature sensing fiber 4 inside, so that the temperature sensing fiber 4 enters the extrusion machine together with the cable core, and then forms an embedded structure in the sheath layer.

[0035] The inside of the lower mounting seat 12 is provided with a clamping pad 14 for pre-fixing the temperature sensing fiber 4 to facilitate assembly, and the lower end of the upper mounting seat 11 is provided with a plug 15 for connecting the groove above the lower mounting seat 12, thereby assembling the lower mounting seat 12, the sleeve 3 and the upper mounting seat 11.

[0036] It can be understood that the utility model can quickly locate the high temperature area outdoors and at night, facilitate the repair operation, and also pre-cool before the maintenance personnel arrive, so as to reduce the damage of the cable and reduce the maintenance difficulty and loss.

[0037] The operation flow of the embodiment has a specific application, that is, first, when the cable is prepared, the temperature sensing fiber 4 is assembled in the inner part of the upper mounting seat 11 by using the clamping of the plug 15 and the lower mounting seat 12, and then the inner ring frame 5 is segmented and distributed on the outer side of the conductor of the cable body 1 to perform the extrusion operation together, so as to realize the built-in effect of the temperature sensing fiber 4 and the inner ring frame 5. In the same way, the sleeve 3 is inserted into the protruding pipe body at both ends of the side cavity 6 before assembly, so as to form a segmented installation. Further, during the use of the cable, the high-temperature signal sensed by the temperature sensing fiber 4 is intercepted by the interception unit 10, so as to facilitate the positioning of the high-temperature area in the background, and then the temperature control light emitting unit 13 emits light under the action of high temperature, so that the maintenance personnel can directly find the fault area in the nearby area at the first time, improve the timeliness, and prevent the situation of missing the best maintenance opportunity in the outdoor. In addition, under the action of high temperature, the expansion unit 9 expands outward, and then the heat absorbing particles in the side cavity 6 are extruded to pass through the sealing gasket 7 and enter the inside of the sleeve 3, so as to achieve the effect of pre-cooling the cable body 1, so as to delay the spread of high temperature and achieve the effect of reducing damage. After the maintenance operation, the heat absorbing particles can be concentrated in the inside of the side cavity 6 by using the negative pressure equipment, so as to restore the initial state.

[0038] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that the persons skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A fireproof and insulating flexible self-temperature measuring cable, comprising a cable body (1), characterized in that: a temperature sensing optical fiber (4) is arranged inside the cable body (1) for sensing the temperature of the cable body (1) to facilitate positioning of a fault area, an inner ring frame (5) is arranged inside a cladding layer of the cable body (1), an outer ring belt (2) is arranged outside the inner ring frame (5), an intercepting unit (10) is arranged inside the inner ring frame (5) for intercepting a pre-warning signal of a sleeve (3), and left and right temperature control light emitting units (13) are arranged outside the inner ring frame (5) for emitting light after the pre-warning signal is transmitted, facilitating timely positioning of the fault area by maintenance personnel outdoors. The sleeve (3) is arranged adjacent to the outer ring area of the cladding layer of the cable body (1) and adjacent to the temperature sensing optical fiber (4), side cavities (6) are arranged on both sides of the inner ring frame (5) for storing heat absorbing particles, and expansion units (9) are arranged inside the side cavities (6) for expanding outward under the influence of high temperature after the pre-warning signal is emitted, for pushing the side cavities (6) to the inside of the sleeve (3) to achieve the effect of pre-cooling the cable body (1), thereby preventing damage caused by the spread of high temperature. One side of the side cavity (6) adjacent to the sleeve (3) is provided with a protruding tube mechanism for mounting the sleeve (3), and a sealing gasket (7) is arranged inside the tube mechanism for intercepting the side cavity (6) to prevent accidental entry into the sleeve (3).

2. A fire resistant, insulated, flexible self-monitoring temperature cable according to claim 1, characterized in that: A plug column (8) is arranged above the side cavity (6), and a hole of the plug column (8) is used to connect an external negative pressure device after the cable body (1) is repaired to cause the heat absorbing particles to gather in the side cavity (6).

3. A fire resistant, flexible, self-monitoring temperature cable according to claim 1, wherein: An upper mounting seat (11) is arranged inside the inner ring frame (5) for mounting the intercepting unit (10), and the upper mounting seat (11) cooperates with a lower mounting seat (12) below to clamp the temperature sensing optical fiber (4) inside.

4. The fire resistant, flexible, self-monitoring temperature cable of claim 1, wherein: A clamping gasket (14) is arranged inside the lower mounting seat (12) for pre-fixing the temperature sensing optical fiber (4) to facilitate assembly.

5. A fire resistant, insulated, flexible self-monitoring temperature cable according to claim 4, wherein: A plug block (15) is arranged at the lower end of the upper mounting seat (11) for connecting a groove above the lower mounting seat (12), thereby assembling the lower mounting seat (12) and the sleeve (3) with the upper mounting seat (11).

6. A fire resistant, insulated, flexible self-monitoring temperature cable according to claim 4, wherein: The sealing gasket (7) is composed of a plurality of triangular pieces that are attached to each other and form a seal under mutual extrusion.

7. A fire resistant, flexible, self-monitoring temperature cable according to claim 2, wherein: ​

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