CN113393966B - Temperature sensor for power cable fire protection - Google Patents
Temperature sensor for power cable fire protection Download PDFInfo
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- CN113393966B CN113393966B CN202110651644.7A CN202110651644A CN113393966B CN 113393966 B CN113393966 B CN 113393966B CN 202110651644 A CN202110651644 A CN 202110651644A CN 113393966 B CN113393966 B CN 113393966B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
The invention relates to the field of temperature sensors, in particular to a temperature sensor for fire protection of a power cable, which comprises a main body, a sealing mechanism, a fixing mechanism, a containing mechanism, a temperature measuring mechanism and a plugging mechanism, wherein the sealing mechanism is arranged on the main body; avoid the main part to be opened by non professional through airtight mechanism's setting, thereby the safety in utilization of main part has been guaranteed, the length of temperature detecting head connecting wire is convenient for adjust through receiving mechanism's setting, avoid the connecting wire occupation space of overlength, be convenient for fix the main part on the cable of required temperature measurement through fixed establishment's setting, and fixed part can tighten up automatically, avoided the main part and by producing the interference between the fixture, be convenient for carry out quick fixed to the main part through the setting of plug mechanism, the installation effectiveness of main part has been improved, be convenient for settle the temperature detecting head in the position that the cable needs the monitoring through the setting of temperature measuring mechanism, make the using-way of main part nimble freedom more.
Description
Technical Field
The invention relates to the field of temperature sensors, in particular to a temperature sensor for fire fighting of a power cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
In order to avoid accidental fire accidents caused by factors such as short circuit, the temperature sensor is generally installed according to requirements in the aspects of fire fighting and the like when the cable is erected, however, the traditional temperature sensor is mostly fixed by adopting binding and other modes when being installed, the cable shakes under the influence of the outside, and the fixing mode enables the temperature sensor to be easily interfered with the cable, so that the measurement error of the temperature sensor is increased, even an inference cable is arranged, and the monitoring effect cannot be completed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a temperature sensor for power cable fire protection.
The technical scheme adopted by the invention for solving the technical problems is as follows: a temperature sensor for fire protection of a power cable comprises a main body, a sealing mechanism, a fixing mechanism, an accommodating mechanism, a temperature measuring mechanism and a plugging mechanism, wherein the sealing mechanism is used for preventing the main body from being opened by non-professionals and is arranged in the top end of the main body, the fixing mechanism is used for fixing the main body on the cable and is arranged in the bottom end of the main body, the temperature measuring mechanism is used for arranging a temperature measuring probe at any position of the power cable and is arranged on one side of the main body, the accommodating mechanism is used for connecting the main body and the temperature measuring mechanism and is arranged at the bottom end of the sealing mechanism, the sealing mechanism is arranged in the main body, and one end of a fixing component in the fixing mechanism is rapidly plugged into the plugging mechanism in the main body and is detachably connected to the bottom end in the main body.
Specifically, airtight mechanism includes apron, gag lever post, iron cup, spacing ball, first spring and activity groove, the top of main part is rotated and is had the apron, the inside of apron one end is equipped with the activity groove, the inside of activity groove slides and has the iron cup, the inside of iron cup bottom is equipped with threely spacing ball, threely the middle part centre gripping of spacing ball has one the gag lever post, the bottom mounting of gag lever post is in on the inner wall of main part, the top of iron cup is fixed with first spring, the top of first spring is fixed in on the inner wall of apron.
Specifically, receiving mechanism includes the connecting wire, settles the storehouse, receives line box, second winding dish, clockwork spring and fixed axle, the bottom of apron is equipped with settle the storehouse, settle the storehouse and locate the inside and the internally mounted of main part have receive the line box, the inside of receiving the line box is rotated and is had the second winding dish, the inside of second winding dish is equipped with the clockwork spring, the middle part of clockwork spring is fixed with the fixed axle, the one end of clockwork spring is fixed in fixed axle and the other end are fixed in on the inner wall of second winding dish, just the winding has on the lateral wall of second winding dish the connecting wire, one side of connecting wire extends to receive the outside of line box.
Specifically, the temperature measuring mechanism comprises a sucker, a brace, a pressing cap, an exhaust hole, a third spring, a negative pressure cavity, a plug ball and a fourth spring, the sucker is arranged on one side of the main body, the pressing cap is arranged in the top end of the sucker in a sliding manner, the negative pressure cavity is arranged at the bottom end of the pressing cap, the third spring is arranged in the negative pressure cavity, one end of the third spring is fixed at the top end of the pressing cap, the other end of the third spring is fixed on the side wall of the negative pressure cavity, the exhaust hole is arranged in the pressing cap, the bottom end of the negative pressure cavity is communicated with the inside of the sucker, the top end of the negative pressure cavity is communicated with the exhaust hole, the plug ball is arranged in the exhaust hole and the communication hole in the sucker, the fourth spring is fixed at the top end of the plug ball, the top end of one of the fourth spring is fixed on the inner wall of the sucker, and the top end of the other fourth spring is fixed on the inner wall of the exhaust hole, one side of the sucker is fixed with the brace, and one end of the connecting wire is connected to the inside of the sucker.
Specifically, fixed establishment includes fixed band, first winding dish, first pivot, gear, rack and second spring, the inside of main part bottom is rotated and is had first winding dish, the middle part of first winding dish is fixed with first pivot, the winding has on the lateral wall of first winding dish the fixed band, the one end of fixed band extends to the outside of main part, the one end of first pivot is fixed with the gear, the gear rotate in the inside and the bottom meshing of main part have the rack, the rack slide in the inside and the one end of main part are fixed with the second spring, the one end of second spring is fixed in on the inner wall of main part.
Specifically, the plugging mechanism comprises an inserting block, a limiting slide block, a fifth spring, a chute, a sixth spring, an auxiliary block and a seventh spring, the inserting block is arranged in the bottom end of the main body in a sliding manner, the limiting slide block is arranged in the inserting block in a sliding manner, one end of the limiting slide block is fixed with the fifth spring, one end of the fifth spring is fixed on the inner wall of the inserting block, one end of the limiting slide block extends to the outer side of the inserting block and is clamped in the main body, the sliding groove is arranged in the main body, the auxiliary block slides in the sliding groove, the sixth spring is fixed at the bottom end of the auxiliary block with the triangular end part, the bottom end of the sixth spring is fixed on the inner wall of the sliding groove, the top end of the inserting block is fixed with the seventh spring, and the top end of the seventh spring is fixed on the inner wall of the main body.
The invention has the beneficial effects that:
(1) the invention relates to a temperature sensor for power cable fire protection, wherein a sealing mechanism is arranged inside the top end of a main body, the main body is prevented from being opened by non-professionals through the arrangement of the sealing mechanism, so that the use safety of the main body is ensured, a receiving mechanism is arranged at the bottom end of the sealing mechanism, the length of a connecting wire of a temperature detecting head is convenient to adjust through the arrangement of the receiving mechanism, and the occupied space of an overlong connecting wire is avoided, namely, when the cover plate needs to be opened, a special strong magnet block is used for being close to the top end of an iron cup in the cover plate, the iron cup is attracted by the strong magnet block, when the iron cup moves in a movable groove, a plurality of limiting balls in the iron cup are not abutted by the side wall at the bottom end of the movable groove, so that a limiting rod is not abutted by the limiting balls, one end of the cover plate is pressed at the moment, and one end of the cover plate is in an opening state through the principle of a seesaw, and then avoid the main part to be opened by non professional, thereby the safety in utilization of main part has been guaranteed, promptly because after the apron is opened, the connecting wire is not being fixed by the centre gripping of apron this moment, then the clockwork spring of holding power before is not causing the inside rotation of second winding dish at the receipts line box, thereby take in winding the connecting wire of unnecessary length, when needs release connecting wire, only need stimulate the connecting wire, closed apron after that, then the connecting wire is fixed spacing at corresponding length, and then be convenient for adjust the length of temperature detecting head connecting wire, avoid the connecting wire occupation space of overlength.
(2) The invention relates to a temperature sensor for fire fighting of power cables, a fixing mechanism is arranged inside the bottom end of a main body, the main body is conveniently fixed on a cable needing temperature measurement through the arrangement of the fixing mechanism, a fixing component can be automatically tightened, the interference between the main body and a fixed object is avoided, a plugging mechanism is detachably connected to the bottom end inside the main body, the main body is conveniently and rapidly fixed through the arrangement of the plugging mechanism, the installation efficiency of the main body is improved, namely, when the main body is required to be fixed on a cable, one end of a fixing belt is pulled firstly, a first winding disc can automatically rotate inside the main body while the fixing belt is pulled, the first winding disc rotates through a first rotating shaft, a gear can be meshed with the rack, the rack can be displaced inside the main body, and a second spring connected with the rack is passively stretched, when the cable is bound by the fixing band, the second spring automatically resets and simultaneously causes the fixing band to automatically tighten, so that the main body is conveniently fixed on the cable needing temperature measurement, the fixing component can automatically tighten, the interference between the main body and a fixed object is avoided, namely, when the cable is bound by the fixing band, the insertion block needs to be fixed in the main body, when the main body needs to be disassembled, the insertion block is pressed, the limiting slide block slides to the top end of the auxiliary block after abutting against the auxiliary block, the seventh spring abuts against the insertion block and slides towards the outer side of the main body instead of operating the insertion block, the limiting slide block causes the auxiliary block to slide towards the bottom end, after the auxiliary block is abutted to the limiting position, the limiting slide block retracts into the limiting slide block under the action of the inclined end part of the auxiliary block, the insertion block is ejected to the outer side of the main body, so that the main body can be conveniently and rapidly fixed or disassembled, the installation efficiency of the main body is improved.
(3) The temperature measuring mechanism is arranged on one side of the main body, and the temperature detecting head is convenient to be arranged at a position needing to be monitored of the cable through the arrangement of the temperature measuring mechanism, so that the use mode of the main body is more flexible and free, namely, when the temperature detecting head connected with a connecting wire needs to be arranged at a certain position of the cable, the sucker is firstly arranged at a certain position of the cable, then the pressing cap is continuously pressed in a reciprocating manner, so that negative pressure is generated in the negative pressure cavity, and the air in the sucker is continuously discharged through the exhaust hole under the action of the two plug balls and the third spring, so that the sucker is stably arranged at the monitoring position of the cable, when the position of the sucker needs to be transferred, only the brace needs to be pulled, so that the inside of the sucker is filled with air, and the temperature detecting head is convenient to be arranged at the position needing to be monitored, the use mode of the main body is more flexible and free.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram illustrating an overall structure of a preferred embodiment of a temperature sensor for fire protection of a power cable according to the present invention;
FIG. 2 is a schematic structural view of the temperature measuring mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of the securing mechanism shown in FIG. 1;
FIG. 4 is a schematic view of the connection structure of the main body and the fixing mechanism shown in FIG. 3;
FIG. 5 is a schematic structural view of the storage mechanism shown in FIG. 1;
FIG. 6 is a schematic view of a connection structure of the storage mechanism and the sealing mechanism shown in FIG. 1;
FIG. 7 is an enlarged view of portion A of FIG. 1;
FIG. 8 is an enlarged view of the portion B shown in FIG. 2;
FIG. 9 is an enlarged view of section C of FIG. 3;
fig. 10 is an enlarged view of the portion D shown in fig. 6.
In the figure: 1. the device comprises a main body, 2, a sealing mechanism, 21, a cover plate, 22, a limiting rod, 23, an iron cup, 24, a limiting ball, 25, a first spring, 26, a movable groove, 3, a fixing mechanism, 31, a fixing belt, 32, a first winding disc, 33, a first rotating shaft, 34, a gear, 35, a rack, 36, a second spring, 4, a receiving mechanism, 41, a connecting wire, 42, a placing bin, 43, a take-up box, 44, a second winding disc, 45, a clockwork spring, 46, a fixing shaft, 5, a temperature measuring mechanism, 51, a sucker, 52, a brace, 53, a pressing cap, 54, an exhaust hole, 55, a third spring, 56, a negative pressure cavity, 57, a plug ball, 58, a fourth spring, 6, a plugging mechanism, 61, an insert block, 62, a limiting slide block, 63, a fifth spring, 64, a sliding groove, 65, a sixth spring, 66, an auxiliary block, 67 and a seventh spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-10, the temperature sensor for fire protection of power cable according to the present invention comprises a main body 1, a sealing mechanism 2, a fixing mechanism 3, a receiving mechanism 4, a temperature measuring mechanism 5 and a plugging mechanism 6, wherein the sealing mechanism 2 for preventing the main body 1 from being opened by a non-professional is disposed inside the top end of the main body 1, the fixing mechanism 3 for fixing the main body 1 to a cable is disposed inside the bottom end of the main body 1, the temperature measuring mechanism 5 for placing a temperature measuring probe at any position of a power cable is disposed on one side of the main body 1, the receiving mechanism 4 for connecting the main body 1 and the temperature measuring mechanism 5 is disposed at the bottom end of the sealing mechanism 2, the sealing mechanism 2 is disposed inside the main body 1, and the plugging mechanism 6 for rapidly plugging one end of a fixing component inside the fixing mechanism 3 into the main body 1 is detachably connected inside the main body 1 A bottom end.
Specifically, the closing mechanism 2 includes a cover plate 21, a limiting rod 22, an iron cup 23, a limiting ball 24, a first spring 25 and a movable groove 26, the cover plate 21 is rotated at the top end of the main body 1, the movable groove 26 is arranged inside one end of the cover plate 21, the iron cup 23 is slid inside the movable groove 26, three limiting balls 24 are arranged inside the bottom end of the iron cup 23, one limiting rod 22 is clamped in the middle of each of the three limiting balls 24, the bottom end of the limiting rod 22 is fixed on the inner wall of the main body 1, the first spring 25 is fixed at the top end of the iron cup 23, the top end of the first spring 25 is fixed on the inner wall of the cover plate 21, and since a special strong magnetic block is used to approach the top end of the iron cup 23 in the cover plate 21 when the cover plate 21 needs to be opened, the iron cup 23 is attracted by the strong magnetic block, the iron cup 23 is in when the activity groove 26 moves, a plurality of limiting balls 24 in the iron cup 23 are not abutted by the side wall of the bottom end of the activity groove 26, so that the limiting rod 22 is not abutted by the limiting balls 24, one end of the cover plate 21 is pressed at the moment, one end of the cover plate 21 is in an open state through the principle of a seesaw, the main body 1 is prevented from being opened by a non-professional person, and the use safety of the main body 1 is ensured.
Specifically, the storage mechanism 4 includes a connection wire 41, a placement bin 42, a winding box 43, a second winding disc 44, a spring 45 and a fixing shaft 46, the placement bin 42 is disposed at the bottom end of the cover plate 21, the placement bin 42 is disposed inside the main body 1, the winding box 43 is mounted inside the placement bin 42, the second winding disc 44 is rotated inside the winding box 43, the spring 45 is disposed inside the second winding disc 44, the fixing shaft 46 is fixed at the middle portion of the spring 45, one end of the spring 45 is fixed to the fixing shaft 46, the other end of the spring is fixed to the inner wall of the second winding disc 44, the connection wire 41 is wound on the side wall of the second winding disc 44, one side of the connection wire 41 extends to the outer side of the winding box 43, and after the cover plate 21 is opened, the connection wire 41 is not clamped and fixed by the cover plate 21, the spring 45 accumulating force before does not cause the second winding disc 44 to rotate inside the take-up box 43, so that the connecting wire 41 with redundant length is wound and stored, when the connecting wire 41 needs to be released, only the connecting wire 41 needs to be pulled, then the cover plate 21 is closed, and the connecting wire 41 is fixed and limited at the corresponding length, so that the length of the connecting wire of the temperature detection head can be conveniently adjusted, and the space occupied by the overlong connecting wire is avoided.
Specifically, the temperature measuring mechanism 5 includes a suction cup 51, a brace 52, a pressing cap 53, an exhaust hole 54, a third spring 55, a negative pressure cavity 56, a plug ball 57 and a fourth spring 58, the suction cup 51 is disposed on one side of the main body 1, the pressing cap 53 slides inside the top end of the suction cup 51, the negative pressure cavity 56 is disposed at the bottom end of the pressing cap 53, the third spring 55 is disposed inside the negative pressure cavity 56, one end of the third spring 55 is fixed to the top end of the pressing cap 53 and the other end is fixed to the side wall of the negative pressure cavity 56, the exhaust hole 54 is disposed inside the pressing cap 53, the bottom end of the negative pressure cavity 56 is communicated with the inside of the suction cup 51 and the top end is communicated with the exhaust hole 54, the plug ball 57 is disposed in the exhaust hole 54 and the communication hole inside the suction cup 51, the fourth spring 58 is fixed to the top end of the plug ball 57, wherein the top end of one of the fourth springs 58 is fixed on the inner wall of the suction cup 51 and the top end of the other fourth spring 58 is fixed on the inner wall of the exhaust hole 54, the pull strip 52 is fixed on one side of the suction cup 51, one end of the connecting wire 41 is connected to the inside of the suction cup 51, because when the temperature probe connected to the connecting wire 4 needs to be placed on a certain position of a cable, the suction cup 51 is first placed on a certain position of the cable, then the pressing cap 53 is continuously pressed back and forth, so that a negative pressure is generated inside the negative pressure chamber 56, and in combination with the action of the two plug balls 57 and the third spring 55, the air inside the suction cup 51 is continuously exhausted through the exhaust hole 54, so that the suction cup 51 is more stably placed on the monitored position of the cable, when the position of the suction cup 51 needs to be shifted, only the pulling strip 52 needs to be pulled, so that the inside of the sucking disc 51 is filled with air, and the temperature detecting head is convenient to be arranged at a part needing to be monitored, so that the use mode of the main body 1 is more flexible and free.
Specifically, the fixing mechanism 3 includes a fixing band 31, a first winding disc 32, a first rotating shaft 33, a gear 34, a rack 35 and a second spring 36, the first winding disc 32 is rotated inside the bottom end of the main body 1, the first rotating shaft 33 is fixed in the middle of the first winding disc 32, the fixing band 31 is wound on the side wall of the first winding disc 32, one end of the fixing band 31 extends to the outside of the main body 1, the gear 34 is fixed at one end of the first rotating shaft 33, the gear 34 is rotated inside the main body 1 and meshed with the rack 35 at the bottom end, the rack 35 slides inside the main body 1 and is fixed with the second spring 36 at one end, one end of the second spring 36 is fixed on the inner wall of the main body 1, because when the main body 1 needs to be fixed on a cable, one end of the fixing band 31 is pulled first, when the fixing band 31 is pulled, the first winding disc 32 can automatically rotate inside the main body 1, the first winding disc 32 rotates while the first rotating shaft 33 causes the gear 34 to rotate, the gear 34 can engage with the rack 35, so that the rack 35 can displace inside the main body 1, the second spring 36 is pulled, and after the cable is bound on the fixing band 31, the second spring 36 automatically resets while the fixing band 31 automatically tightens, the main body 1 can be fixed on the cable needing temperature measurement conveniently, and the fixing component can automatically tighten, so that interference between the main body 1 and a fixed object is avoided.
Specifically, the plugging mechanism 6 includes an insert 61, a limiting slider 62, a fifth spring 63, a sliding groove 64, a sixth spring 65, an auxiliary block 66 and a seventh spring 67, the insert 61 slides inside the bottom end of the main body 1, the limiting slider 62 slides inside the insert 61, the fifth spring 63 is fixed to one end of the limiting slider 62, one end of the fifth spring 63 is fixed to the inner wall of the insert 61, one end of the limiting slider 62 extends to the outer side of the insert 61 and is engaged with the inside of the main body 1, the sliding groove 64 is arranged inside the main body 1, the auxiliary block 66 slides inside the sliding groove 64, the end portion of the auxiliary block 66 is triangular, the sixth spring 65 is fixed to the bottom end of the auxiliary block 66, the bottom end of the sixth spring 65 is fixed to the inner wall of the sliding groove 64, the seventh spring 67 is fixed to the top end of the insert 61, the top end of the seventh spring 67 is fixed on the inner wall of the main body 1, because the insertion block 61 needs to be fixed inside the main body 1 when the cable is bound on the fixing band 31, when the main body 1 needs to be detached, the insertion block 61 is pressed, at this time, after the limiting slide block 62 abuts against the auxiliary block 66, the limiting slide block 62 slides to the top end of the auxiliary block 66, and the insertion block 61 is not operated, the seventh spring 67 abuts against the insertion block 61 and slides towards the outer side of the main body 1, the limiting slide block 62 causes the auxiliary block 66 to slide towards the bottom end, after the auxiliary block 66 is abutted to the limiting position, the limiting slide block 62 retracts into the limiting slide block 62 under the effect of the inclined end portion of the auxiliary block 66, and the insertion block 61 pops out to the outer side of the main body 1, thereby facilitating quick fixation or detachment of the main body 1, the installation efficiency of the main body 1 is improved.
When the iron cup is used, when the cover plate 21 needs to be opened, the iron cup 23 is attracted by the strong magnetic block by utilizing the fact that the strong magnetic block is close to the top end of the iron cup 23 in the cover plate 21, the iron cup 23 moves in the movable groove 26, and meanwhile, the plurality of limiting balls 24 in the iron cup 23 are not abutted by the side wall at the bottom end of the movable groove 26, so that the limiting rod 22 is not abutted by the limiting balls 24, one end of the cover plate 21 is pressed at the moment, one end of the cover plate 21 is in an opening state through the principle of the seesaw, the main body 1 is prevented from being opened by a layman, and the use safety of the main body 1 is guaranteed; after the cover plate 21 is opened, the connecting wire 41 is not clamped and fixed by the cover plate 21, and the spring 45 accumulating force before does not cause the second winding disc 44 to rotate in the wire collecting box 43, so that the connecting wire 41 with redundant length is wound and collected, when the connecting wire 41 needs to be released, the connecting wire 41 is fixed and limited at the corresponding length only by pulling the connecting wire 41 and then closing the cover plate 21, the length of the connecting wire of the temperature detecting head is convenient to adjust, and the space occupied by the overlong connecting wire is avoided; when the temperature detecting head connected with the connecting wire 4 needs to be arranged at a certain position of the cable, firstly, the suction cup 51 is arranged at a certain position of the cable, then the pressing cap 53 is continuously pressed to and fro to generate negative pressure in the negative pressure cavity 56, and in combination with the action of the two plug balls 57 and the third spring 55, air in the suction cup 51 is continuously exhausted through the exhaust hole 54, so that the suction cup 51 is more stably arranged at a monitoring part of the cable, when the position of the suction cup 51 needs to be transferred, only the pull strip 52 needs to be pulled to fill air in the suction cup 51, the temperature detecting head is conveniently arranged at the part needing to be monitored, and the use mode of the main body 1 is more flexible and free; when the main body 1 needs to be fixed on a cable, one end of the fixing band 31 is pulled, the first winding disc 32 can automatically rotate in the main body 1 when the fixing band 31 is pulled, the first winding disc 32 rotates and causes the gear 34 to rotate through the first rotating shaft 33, the gear 34 can be meshed with the rack 35 again, the rack 35 can displace in the main body 1, the second spring 36 connected with the second winding disc is passively stretched, after the cable is bound on the fixing band 31, the second spring 36 automatically resets and causes the fixing band 31 to automatically tighten, the main body 1 can be conveniently fixed on the cable needing temperature measurement, the fixing component can automatically tighten, and interference between the main body 1 and a fixed object is avoided; because when the cable is bound at fixed band 31, the inside at main part 1 need be fixed to inserted block 61, when main part 1 is dismantled to needs, then press inserted block 61, spacing slider 62 is after supplementary piece 66 of contradicting this moment, spacing slider 62 slides the top of supplementary piece 66, be not operating inserted block 61, then seventh spring 67 contradicts inserted block 61 and slides toward the outside of main part 1, spacing slider 62 causes supplementary piece 66 to slide toward the bottom, after supplementary piece 66 is contradicted spacing position, spacing slider 62 retracts back spacing slider 62's inside under supplementary piece 66's slope tip effect, then inserted block 61 pops out the outside of main part 1, and then be convenient for carry out quick fixed or dismantlement to main part 1, the installation effectiveness of main part 1 has been improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The utility model provides a temperature sensor is used in power cable fire control which characterized in that: the temperature measurement device comprises a main body (1), a sealing mechanism (2), a fixing mechanism (3), an accommodating mechanism (4), a temperature measurement mechanism (5) and a plugging and unplugging mechanism (6), wherein the sealing mechanism (2) for preventing the main body (1) from being opened by a non-professional person is arranged inside the top end of the main body (1), the fixing mechanism (3) for fixing the main body (1) on a cable is arranged inside the bottom end of the main body (1), the temperature measurement mechanism (5) for arranging a temperature measurement probe at any position of a power cable is arranged on one side of the main body (1), the accommodating mechanism (4) for connecting the main body (1) and the temperature measurement mechanism (5) is arranged at the bottom end of the sealing mechanism (2), the sealing mechanism (2) is arranged inside the main body (1), and the plugging and unplugging mechanism (6) for quickly plugging one end of a fixing component inside the fixing mechanism (3) into the main body (1) The bottom end is detachably connected with the inside of the main body (1);
the sealing mechanism (2) comprises a cover plate (21), a limiting rod (22), an iron cup (23), a limiting ball (24), a first spring (25) and a movable groove (26), the cover plate (21) is rotated at the top end of the main body (1), the movable groove (26) is formed in one end of the cover plate (21), the iron cup (23) slides in the movable groove (26), three limiting balls (24) are arranged in the bottom end of the iron cup (23), the limiting rod (22) is clamped in the middle of each limiting ball (24), the bottom end of the limiting rod (22) is fixed on the inner wall of the main body (1), the first spring (25) is fixed at the top end of the iron cup (23), and the top end of the first spring (25) is fixed on the inner wall of the cover plate (21);
the receiving mechanism (4) comprises a connecting wire (41), a placing bin (42), a take-up box (43), a second winding disc (44), a clockwork spring (45) and a fixing shaft (46), the bottom end of the cover plate (21) is provided with the placing bin (42), the placing bin (42) is arranged in the main body (1) and the wire collecting box (43) is arranged in the placing bin, the second winding disc (44) is rotated in the take-up box (43), the spring (45) is arranged in the second winding disc (44), the fixed shaft (46) is fixed in the middle of the spring (45), one end of the clockwork spring (45) is fixed on the fixed shaft (46) and the other end is fixed on the inner wall of the second winding disc (44), and the connecting wire (41) is wound on the side wall of the second winding disc (44), one side of the connecting wire (41) extends to the outer side of the take-up box (43);
the temperature measuring mechanism (5) comprises a sucker (51), a brace (52), a press cap (53), an exhaust hole (54), a third spring (55), a negative pressure cavity (56), a plug ball (57) and a fourth spring (58), wherein the sucker (51) is arranged on one side of the main body (1), the press cap (53) slides in the top end of the sucker (51), the negative pressure cavity (56) is arranged at the bottom end of the press cap (53), the third spring (55) is arranged in the negative pressure cavity (56), one end of the third spring (55) is fixed on the side wall of the negative pressure cavity (56) at the top end of the press cap (53) and the other end of the third spring is fixed on the side wall of the negative pressure cavity (56), the exhaust hole (54) is arranged in the press cap (53), the bottom end of the negative pressure cavity (56) is communicated with the inside of the sucker (51) and the top end of the exhaust hole (54), the vent hole (54) and the communication hole in the sucker (51) are both provided with one plug ball (57), the top end of the plug ball (57) is fixed with the fourth spring (58), the top end of one fourth spring (58) is fixed on the inner wall of the sucker (51), the top end of the other fourth spring (58) is fixed on the inner wall of the vent hole (54), one side of the sucker (51) is fixed with the brace (52), and one end of the connecting wire (41) is connected in the sucker (51);
the fixing mechanism (3) comprises a fixing belt (31), a first winding disc (32), a first rotating shaft (33), a gear (34), a rack (35) and a second spring (36), the first winding disc (32) is rotatably arranged in the bottom end of the main body (1), the first rotating shaft (33) is fixed in the middle of the first winding disc (32), the fixing belt (31) is wound on the side wall of the first winding disc (32), one end of the fixing strap (31) extends to the outer side of the main body (1), the gear (34) is fixed at one end of the first rotating shaft (33), the gear (34) rotates in the main body (1), the bottom end of the gear is meshed with the rack (35), the rack (35) slides in the main body (1) and one end of the rack is fixed with the second spring (36), one end of the second spring (36) is fixed on the inner wall of the main body (1);
the plugging mechanism (6) comprises an insert block (61), a limiting slide block (62), a fifth spring (63), a sliding groove (64), a sixth spring (65), an auxiliary block (66) and a seventh spring (67), the insert block (61) slides in the bottom of the main body (1), the limiting slide block (62) slides in the insert block (61), the fifth spring (63) is fixed at one end of the limiting slide block (62), one end of the fifth spring (63) is fixed on the inner wall of the insert block (61), one end of the limiting slide block (62) extends to the outer side of the insert block (61) and is clamped in the main body (1), the sliding groove (64) is arranged in the main body (1), the auxiliary block (66) slides in the sliding groove (64), the end part of the auxiliary block (66) is triangular, and the sixth spring (65) is fixed at the bottom end of the auxiliary block (66), the bottom end of the sixth spring (65) is fixed on the inner wall of the sliding groove (64), the top end of the inserting block (61) is fixed with the seventh spring (67), and the top end of the seventh spring (67) is fixed on the inner wall of the main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110651644.7A CN113393966B (en) | 2021-06-11 | 2021-06-11 | Temperature sensor for power cable fire protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110651644.7A CN113393966B (en) | 2021-06-11 | 2021-06-11 | Temperature sensor for power cable fire protection |
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| CN113393966B true CN113393966B (en) | 2022-08-12 |
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| CN114084461B (en) * | 2021-11-04 | 2023-05-16 | 南京中车物流服务有限公司 | But motor car air conditioning unit cyclic utilization's folding equipment for packing |
| CN114505635B (en) * | 2022-04-21 | 2022-07-12 | 江苏伦肯智能科技有限公司 | Intelligent automobile frame welding production line who possesses and remove flavor and dust removal function |
| CN115494321A (en) * | 2022-09-03 | 2022-12-20 | 江苏特建技术股份有限公司 | Fault detector and detection method for electric power operation and maintenance management equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112379136A (en) * | 2020-11-12 | 2021-02-19 | 张连军 | Current device convenient for circuit detection |
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| JP2019208298A (en) * | 2018-05-28 | 2019-12-05 | スリーエム イノベイティブ プロパティズ カンパニー | Power cable connection structure and temperature detection system therefor |
| CN209927310U (en) * | 2019-06-27 | 2020-01-10 | 国网江西省电力有限公司景德镇供电分公司 | Cable operation and maintenance management device |
| CN211476847U (en) * | 2019-11-14 | 2020-09-11 | 南京四创换热器科技有限公司 | Temperature sensing sleeve for heat exchanger |
| CN211665802U (en) * | 2020-01-10 | 2020-10-13 | 深圳市水务(集团)有限公司阀门检测及维修分公司 | Anti-theft well cover |
| CN112097929A (en) * | 2020-09-28 | 2020-12-18 | 杭州墙镪科技有限公司 | Solar temperature sensor convenient to installation is dismantled |
| CN112097930A (en) * | 2020-10-12 | 2020-12-18 | 杭州墙镪科技有限公司 | Telescopic temperature sensing probe convenient to adjust |
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| CN112379136A (en) * | 2020-11-12 | 2021-02-19 | 张连军 | Current device convenient for circuit detection |
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