CN212082639U - Passive wireless temperature measuring device for power distribution cabinet bus - Google Patents
Passive wireless temperature measuring device for power distribution cabinet bus Download PDFInfo
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- CN212082639U CN212082639U CN202020658532.5U CN202020658532U CN212082639U CN 212082639 U CN212082639 U CN 212082639U CN 202020658532 U CN202020658532 U CN 202020658532U CN 212082639 U CN212082639 U CN 212082639U
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Abstract
The utility model discloses a passive wireless temperature measuring device for a power distribution cabinet bus, which belongs to the technical field of wireless temperature measuring devices and comprises a mounting plate, wherein one side of the mounting plate is fixedly connected with a cable seat for fixing a cable, the bottom of the cable seat is provided with a U-shaped wire groove, a V-shaped elastic strip, a lifting block and a hand screw are arranged below the U-shaped wire groove, the top of the U-shaped wire groove is provided with a temperature sensing piece mounting groove which is communicated up and down, a deformation temperature sensing piece and a shielding cover are arranged in the temperature sensing piece mounting groove, the inner cavity of the shielding cover is provided with a lifting rod groove and a deformation abdicating space, the inner cavity of the lifting rod groove is provided with an index lifting rod, the bottom of the index lifting rod is abutted against the top surface of the deformation temperature sensing piece, a compression spring is arranged between the top of the inner cavity of the lifting rod groove and the top of the index, the deformation temperature sensing piece can be accurately deformed according to the temperature change, and the temperature measurement precision is improved.
Description
Technical Field
The utility model relates to a wireless temperature measuring device technical field specifically is a be used for passive wireless temperature measuring device of switch board generating line.
Background
With the increasing social electricity utilization, the power grid is also under high-speed development and construction, the requirements of people on electricity utilization safety are higher and higher, and temperature measurement is always the focus of attention of medium-high voltage electrical equipment. The middle-high voltage electrical equipment temperature monitoring points are all in the environment of high voltage, heavy current and strong magnetic field, even some monitoring points are still in a closed space, because of the problems of strong electromagnetic noise, high voltage insulation, limitation of the space and the like, the common temperature measurement mode can not solve the problems and can not be used, the surface belt type passive wireless temperature measurement device is widely applied through high safety, low cost and installation convenience, but the common bus passive wireless temperature measurement device is not convenient to install, and the detection precision is relatively low, so the bus passive wireless temperature measurement device for the power distribution cabinet is provided.
The utility model discloses a be a passive wireless temperature measuring device of switch board generating line as patent application number CN201920968668.3, the device set up in the solidus device of switch board generating line and lead the hot bimetallic strip that the temperature is connected with the generating line cable, learn the cable temperature indirectly through the deformation volume of hot bimetallic strip, nevertheless because the mounting ring of hot bimetallic strip and both sides in the device need adopt fixed being connected, because the unable accurate deformation that produces of restraint by the connection site during the difference in temperature changes, and then influence the temperature measurement precision.
Based on this, the utility model designs a be used for passive wireless temperature measuring device of switch board generating line to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for passive wireless temperature measuring device of switch board generating line to solve above-mentioned technical problem.
In order to realize the purpose, the utility model provides the following technical scheme: a passive wireless temperature measuring device for a power distribution cabinet bus comprises a mounting plate, wherein one side of the mounting plate is fixedly connected with a cable seat for fixing a cable, the bottom of the cable seat is provided with a U-shaped wire groove, a V-shaped elastic strip is arranged below the U-shaped wire groove, the left end and the right end of the V-shaped elastic strip are respectively connected with a lifting block, the inner cavity of the lifting block vertically penetrates through and is screwed with a hand screw, the upper end of the hand screw penetrates through the cable seat and is rotatably connected with the cable seat, the top of the U-shaped wire groove is provided with a temperature sensing piece mounting groove which is vertically communicated, a deformation temperature sensing piece is arranged in the temperature sensing piece mounting groove, a shielding cover is arranged above the temperature sensing piece mounting groove, the inner cavity of the shielding cover is provided with a lifting rod groove, the lower end of the lifting rod groove is provided with a conical deformation abdicating space, and the inner cavity of the lifting, the bottom of index lifter with deformation temperature sensing piece top surface laminating butt, the butt is provided with compression spring between the inner chamber top in lifter groove and the top of index lifter.
Preferably, the left side and the right side of the inner cavity of the U-shaped wire casing are provided with limit grooves, the lifting block is positioned in the limit grooves, and the bottoms of the limit grooves are provided with limit baffles.
Preferably, heat-conducting silicone grease is filled between the deformation temperature sensing piece and the outer wall of the cable.
Preferably, the deformation temperature-sensing piece adopts a bimetallic strip with linear temperature of minus to DEG C, and the deformation temperature-sensing piece is a composite material consisting of two metals or other materials with proper properties.
Preferably, the top center department in lifter groove has seted up the weighing apparatus and has pressed the hole, the top of index lifter is provided with the instruction piece, shelter from the lid and adopt glass or transparent ya keli material to make, the outer wall in lifter groove is provided with the scale mark.
Compared with the prior art, utility model's beneficial effect does:
the utility model discloses mainly in view of current be used for the passive wireless temperature measuring device of switch board generating line to exist when the difference in temperature changes because the restraint that receives the connection position can't produce accurate deformation, and then the defect that influences the temperature measurement precision improves, this device deformation temperature sensing piece embedded installation is in temperature sensing piece mounting groove, its top is through sheltering from the lid and block, thereby it is necessary with the being connected of exterior structure to avoid deformation temperature sensing piece self both ends, the lower extreme in lifter groove is equipped with conical deformation space of stepping down, can provide sufficient deformation space when deformation temperature sensing piece is heated the epirelief, thereby make deformation temperature sensing piece can be according to the accurate deformation of temperature variation, improve the temperature measurement precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a local structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the method comprises the following steps of 1-mounting plate, 2-fixing cable, 3-cable seat, 4-U-shaped wire casing, 5-V-shaped elastic strip, 6-lifting block, 7-hand screw, 8-temperature sensing piece mounting groove, 9-deformation temperature sensing piece, 10-shielding cover, 11-lifting rod groove, 12-index lifting rod, 13-compression spring, 14-limiting groove, 15-heat conducting silicone grease, 16-heat conducting silicone grease, 17-pressure balancing hole, 18-indicating piece, 19-scale mark and 20-deformation abdicating space.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a technical solution: a passive wireless temperature measuring device for a power distribution cabinet bus comprises a mounting plate 1, one side of the mounting plate 1 is fixedly connected with a cable seat 3 for fixing a cable 2, the bottom of the cable seat 3 is provided with a U-shaped wire slot 4, a V-shaped elastic strip 5 is arranged below the U-shaped wire slot 4, the left end and the right end of the V-shaped elastic strip 5 are respectively connected with a lifting block 6, the inner cavity of the lifting block 6 is vertically penetrated and screwed with a hand screw 7, the upper end of the hand screw 7 is penetrated through the cable seat 3 and is rotationally connected with the cable seat, the top of the U-shaped wire slot 4 is provided with a temperature sensing piece mounting groove 8 which is vertically communicated, a deformation temperature sensing piece 9 is arranged in the temperature sensing piece mounting groove 8, a shielding cover 10 is arranged above the temperature sensing piece mounting groove 8, the inner cavity of the shielding cover 10 is provided with a lifting rod groove 11, the lower end of the lifting rod groove 11 is provided with a conical deformation abdicating space, the bottom of the index lifting rod 12 is abutted against the top surface of the deformation temperature sensing piece 9, and a compression spring 13 is arranged between the top of the inner cavity of the lifting rod groove 11 and the top of the index lifting rod 12 in an abutting mode.
The left side and the right side of the inner cavity of the U-shaped wire casing 4 are provided with limit grooves 14, the lifting block 6 is positioned in the limit grooves 14, and the bottom of the limit grooves 14 is provided with limit baffles 15 which play a limiting role so that the lifting block 6 vertically moves up and down along the inner walls of the limit grooves 14; the heat-conducting silicone grease 16 is filled between the deformation temperature-sensing piece 9 and the outer wall of the cable 2, the heat-conducting silicone grease 16, namely the heat-conducting silicone rubber, can be widely coated on various electronic products, the contact surface between a heating body and a heat dissipation facility in electrical equipment plays a role of a heat transfer medium and has the performances of moisture resistance, dust prevention, corrosion prevention, shock prevention and the like, and the temperature of the cable 2 can be effectively transferred to the deformation temperature-sensing piece 9 through the heat-conducting silicone grease 16; the deformation temperature sensing piece 9 is a bimetallic strip with linear temperature of-20-200 ℃, the deformation temperature sensing piece 9 is a composite material consisting of two metals or other materials with proper performance, the upper layer is an active layer and is greatly changed by temperature difference, the lower layer is a passive layer and is slightly changed by temperature difference, and when the temperature is changed, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetallic strip can bend to one side of the passive layer to generate deformation; the balance pressure hole 17 has been seted up in the top center department in lifter groove 11, be used for inside and outside atmospheric pressure balance, the top of index lifter 12 is provided with indicator plate 18, shelter from lid 10 and adopt glass or transparent ya keli material to make, the outer wall in lifter groove 11 is provided with scale mark 19, when the temperature rose, deformation temperature sensing piece 9 is upwards protruding, overcome compression spring 13 with index lifter 12 and indicator plate 18 jacking, prevent to descend promptly, scale mark 19 through the outer wall in lifter groove 11 can accurately learn the temperature variation.
The utility model discloses embodiment of specific application:
the utility model discloses mainly in view of current be used for the passive wireless temperature measuring device of switch board generating line to exist when the difference in temperature changes because the restraint that receives the connection position can't produce accurate deformation, and then the defect that influences the temperature measurement precision improves, this device deformation temperature sensing piece 9 embedded installation is in temperature sensing piece mounting groove 8, its top is blocked through sheltering from lid 10, thereby it is necessary with the being connected of exterior structure to avoid deformation temperature sensing piece 9 self both ends, the lower extreme of lifter groove 11 is equipped with conical deformation and steps down space 20, can provide sufficient deformation space when deformation temperature sensing piece 9 is heated the epirelief, thereby make deformation temperature sensing piece 9 can be according to the accurate deformation of temperature variation, improve the temperature measurement precision.
In addition, when the device is used for restraining and fixing cables 2 with different outer diameters, the hand screws 7 on two sides can be screwed through screwing, the upper ends of the hand screws 7 are unthreaded smooth outer walls, penetrate through the cable base 3 and are vertically limited through the two clamp springs, the lower ends of the hand screws are in threaded connection with the lifting blocks 6 on two sides of the V-shaped elastic strip 5, the V-shaped elastic strip 5 can be made of materials with certain flexible elasticity such as rubber silica gel, and the hand screws 7 can be screwed conveniently to clamp and fix the cables 2.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a be used for passive wireless temperature measuring device of switch board generating line which characterized in that: comprises a mounting plate (1), one side of the mounting plate (1) is fixedly connected with a cable seat (3) used for fixing a cable (2), the bottom of the cable seat (3) is provided with a U-shaped wire groove (4), a V-shaped elastic strip (5) is arranged below the U-shaped wire groove (4), the left end and the right end of the V-shaped elastic strip (5) are respectively connected with a lifting block (6), the inner cavity of the lifting block (6) is vertically penetrated and screwed with a hand screw (7), the upper end of the hand screw (7) is penetrated through the cable seat (3) and is rotationally connected with the cable seat, the top of the U-shaped wire groove (4) is provided with a temperature sensing piece mounting groove (8) which is vertically communicated, a deformation temperature sensing piece (9) is arranged in the temperature sensing piece mounting groove (8), a shielding cover (10) is arranged above the temperature sensing piece mounting groove (8), and the inner cavity of the shielding cover (10) is provided with a lifting rod groove (11), the lower extreme in lifter groove (11) is equipped with conical deformation and lets a space (20), the inner chamber in lifter groove (11) is provided with index lifter (12), the bottom of index lifter (12) with deformation temperature sensing piece (9) top surface laminating butt, the butt is provided with compression spring (13) between the inner chamber top in lifter groove (11) and the top of index lifter (12).
2. The passive wireless temperature measuring device for the power distribution cabinet bus according to claim 1, characterized in that: limiting grooves (14) are formed in the left side and the right side of an inner cavity of the U-shaped wire casing (4), the lifting block (6) is located in the limiting grooves (14), and limiting baffles (15) are arranged at the bottoms of the limiting grooves (14).
3. The passive wireless temperature measuring device for the power distribution cabinet bus according to claim 1, characterized in that: and heat-conducting silicone grease (16) is filled between the deformation temperature sensing sheet (9) and the outer wall of the cable (2).
4. The passive wireless temperature measuring device for the power distribution cabinet bus according to claim 1, characterized in that: balance pressure hole (17) have been seted up at the top center department in lifter groove (11), the top of index lifter (12) is provided with indicator plate (18), shelter from lid (10) and adopt glass or transparent ya keli material to make, the outer wall in lifter groove (11) is provided with scale mark (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020658532.5U CN212082639U (en) | 2020-04-27 | 2020-04-27 | Passive wireless temperature measuring device for power distribution cabinet bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020658532.5U CN212082639U (en) | 2020-04-27 | 2020-04-27 | Passive wireless temperature measuring device for power distribution cabinet bus |
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| Publication Number | Publication Date |
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| CN212082639U true CN212082639U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020658532.5U Active CN212082639U (en) | 2020-04-27 | 2020-04-27 | Passive wireless temperature measuring device for power distribution cabinet bus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235651A (en) * | 2022-08-05 | 2022-10-25 | 三泽(山东)电气技术有限公司 | High tension cable connects temperature monitoring device |
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2020
- 2020-04-27 CN CN202020658532.5U patent/CN212082639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235651A (en) * | 2022-08-05 | 2022-10-25 | 三泽(山东)电气技术有限公司 | High tension cable connects temperature monitoring device |
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