CN217786385U - Saw surface acoustic wave wireless passive temperature detection device - Google Patents
Saw surface acoustic wave wireless passive temperature detection device Download PDFInfo
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- CN217786385U CN217786385U CN202222211658.XU CN202222211658U CN217786385U CN 217786385 U CN217786385 U CN 217786385U CN 202222211658 U CN202222211658 U CN 202222211658U CN 217786385 U CN217786385 U CN 217786385U
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- fixed column
- base
- fixing holes
- circuit board
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Abstract
The utility model provides a wireless passive temperature-detecting device of saw surface wave, include: fixed column, base, surface acoustic wave temperature measurement sensor, circuit board and spring antenna, install the fixed column on the double-screw bolt, the fixed column lower extreme is equipped with the screw hole, double-screw bolt upper end movable mounting is in the threaded hole, and the external screw thread setting is in the double-screw bolt surface, the double-screw bolt passes through external screw thread and fixed column threaded connection, compares with prior art, the utility model discloses following beneficial effect has: through setting up the fixed column, be convenient for whole detection device's installation for whole detection device saves time when the installation, and the installation is firm, guarantees whole detection device's steady operation, spring antenna's design through the section of bending and the sphere end of inwards buckling, avoids spring antenna to take place point discharge, guarantees whole detection device normal use, promotes the security performance, can detect electrical equipment and the joint condition of generating heat in real time, need not artifical the detection.
Description
Technical Field
The utility model belongs to temperature measuring equipment field, in particular to wireless passive temperature-detecting device of saw surface acoustic wave.
Background
Compared with other types of sensors, the SAW sensor has the unique advantages of low cost, high sensitivity, good stability and reliability, and can realize wireless passive detection by means of a wireless reading system, with the rapid development of the information automation level, the temperature online detection in the power transmission and distribution field and other fields (such as storage and the like) of the power system is widely applied at present, however, the detection work of the heating condition of the electrical equipment and the joint thereof can only be carried out by sending a worker to each substation periodically by a centralized control center, so that the investment cost is high, the detection time cannot make up for leaks, and therefore, a SAW wireless passive temperature detection device is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a wireless passive temperature-detecting device of saw surface acoustic wave solves the problem that provides among the above-mentioned background art.
The utility model discloses a following technical scheme realizes: a kind of saw surface acoustic wave wireless passive temperature detection device, including: fixed column, base, surface acoustic wave temperature sensor, circuit board and spring antenna, install the fixed column on the double-screw bolt, the fixed column lower extreme is equipped with the screw hole, double-screw bolt upper end movable mounting is in the screw hole, and the external screw thread sets up the double-screw bolt surface, the double-screw bolt passes through external screw thread and fixed column threaded connection, and the base setting is in the fixed column upper end, set up flutedly in the middle of the base upper surface, the fixed orifices is two separately seted up inside left side, the right side of recess, recess internally mounted has the circuit board, fixed orifices one has been seted up respectively on circuit board upper surface left side, right side, the circuit board passes through set screw, fixed orifices one and fixed orifices two and installs on the base, surface acoustic wave temperature sensor welding is on the circuit board, the base upper surface is equipped with spring antenna, the section of bending sets up in spring antenna upper end, the section end of bending is equipped with the sphere end.
As a preferred embodiment, the fixing column is a regular hexagon prism, the base is fixedly connected with the upper end of the fixing column, the threaded hole is an internal thread blind hole, and the internal thread is arranged on the inner wall of the threaded hole.
In a preferred embodiment, the external thread is engaged with the internal thread, and the stud is mounted inside the threaded hole by the mutual engagement of the external thread and the internal thread.
In a preferred embodiment, the base is a circular plate, the groove is a rectangular groove, and the groove is disposed in the middle of the upper surface of the base.
As a preferred embodiment, the first fixing hole and the second fixing hole are both provided with two, the circuit board is symmetrically provided with two first fixing holes, and the axis of the first fixing hole and the axis of the second fixing hole are on the same straight line.
As a preferred embodiment, the bending section is an arc spring section, the bending section is bent towards the inner side of the upper end of the spring, and the spherical end is arranged at the tail end of the bending section.
After the technical scheme is adopted, the beneficial effects of the utility model are that: through setting up the fixed column, be convenient for whole detection device's installation, make whole detection device save time when the installation, and the installation is firm, guarantee whole detection device's steady operation, spring antenna's design through the section of bending and the sphere end of inwards buckling, avoid spring antenna to take place point discharge, guarantee whole detection device normal use, promote the security performance, can detect the electrical equipment and connect the condition of generating heat in real time, need not artifical the detection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is the utility model relates to a saw surface acoustic wave wireless passive temperature-detecting device's overall structure schematic diagram.
Fig. 2 is the utility model relates to a saw surface acoustic wave wireless passive temperature-detecting device's schematic diagram of recess.
Fig. 3 is the utility model relates to a spring antenna of the wireless passive temperature-detecting device of saw surface acoustic wave and the schematic diagram that the base is connected.
Fig. 4 is the utility model relates to a saw surface acoustic wave wireless passive temperature-detecting device's the schematic diagram of the section of bending.
In the figure, 1-a fixed column, 2-a base, 3-a circuit board, 4-a fixed hole I, 5-a surface acoustic wave temperature measuring sensor, 6-a stud, 7-external threads, 8-a spherical end, 9-a bending section, 10-a threaded hole, 11-a groove, 12-a spring antenna and 13-a fixed hole II.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a kind of saw surface acoustic wave wireless passive temperature detection device, including: fixed column 1, base 2, surface acoustic wave temperature sensor 5, circuit board 3 and spring antenna 12, install fixed column 1 on the double- screw bolt 6, 1 lower extreme of fixed column is equipped with screw hole 10, 6 upper ends movable mounting of double-screw bolt are in screw hole 10, external screw thread 7 sets up on the surface of double-screw bolt 6, double-screw bolt 6 passes through external screw thread 7 and 1 threaded connection of fixed column, base 2 sets up in 1 upper end of fixed column, set up fluted 11 in the middle of the base 2 upper surface, fixed orifices two 13 set up respectively in the inside left side of recess 11, the right side, recess 11 internally mounted has circuit board 3, circuit board 3 upper surface left side, the right side has seted up fixed orifices one 4 respectively, circuit board 3 passes through set screw, fixed orifices one 4 and fixed orifices two 13 are installed on base 2, surface acoustic wave temperature sensor 5 welds the circuit board 3 upper surface, base 2 upper surface is equipped with spring antenna 12, the section 9 of bending sets up in spring antenna 12 upper ends, the section 9 end of bending is equipped with spherical end 8.
Fixed column 1 is a regular hexagon prism, base 2 and 1 upper end fixed connection of fixed column, and screw hole 10 is an internal thread blind hole, and the internal thread setting is at screw hole 10 inner walls, and the whole detection device of being convenient for fix saves installation time.
The external thread 7 is meshed with the internal thread, and the stud 6 is mounted in the threaded hole 10 through mutual meshing of the external thread 7 and the internal thread and used for fixing the fixing column 1 on the stud 6.
The base 2 is a circular plate, the groove 11 is a rectangular groove, and the groove 11 is arranged in the middle of the upper surface of the base 2 and used for installing the circuit board 3 and the spring antenna 12.
The first fixing holes 4 and the second fixing holes 13 are both provided with two, the circuit board 3 is symmetrically provided with the first fixing holes 4, and the axes of the first fixing holes 4 and the axes of the second fixing holes 13 are on the same straight line and used for fixing the circuit board 3.
The section of bending 9 is a circular arc spring section, and the section of bending 9 is buckled to spring upper end inboard, and the section of bending 9 end is provided with spherical end 8, prevents that whole detection device from taking place most advanced discharge in service.
As an embodiment of the present invention: when the temperature measuring device is in actual use, the circuit board 3 welded with the surface acoustic wave temperature measuring sensor 5 is placed in the groove 11 in the upper surface of the base 2, a first fixing hole 4 is aligned with a second fixing hole 13, a fixing screw penetrates through the first fixing hole 4 in the circuit board 3 and is installed in the second fixing hole 13 in the bottom of the groove 11, the circuit board 3 is fixed inside the groove 11, after the circuit board 3 is installed, the whole detecting device can be installed at the upper end of the stud 6 through the fixing column 1, the fixing column 1 is in threaded connection with the stud 6 through the threaded hole 10, the fixing column 1 can be screwed down through an external wrench, when the whole detecting device operates normally, the bending section 9 and the spherical end 8 at the upper end of the spring antenna 12 enable the whole detecting device not to generate point discharge when the detecting device operates, safety is improved, meanwhile, the whole detecting device can detect heating conditions of electrical equipment and joints of the electrical equipment in real time, manual detection is not needed, cost is saved, the fixing column 1 is connected with a part to be detected through the surface acoustic wave 6, after temperature information of the temperature measuring sensor 5, a temperature signal is transmitted to the circuit board 3, and the signal is transmitted to be detected through the spring antenna 12 connected with the circuit board 3.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A kind of saw surface acoustic wave wireless passive temperature detection device, including: the acoustic surface wave temperature measurement sensor comprises a fixed column (1), a base (2), an acoustic surface wave temperature measurement sensor (5), a circuit board (3) and a spring antenna (12), and is characterized in that the fixed column (1) is installed on a stud (6), a threaded hole (10) is formed in the lower end of the fixed column (1), the upper end of the stud (6) is movably installed in the threaded hole (10), external threads (7) are arranged on the surface of the stud (6), the stud (6) is in threaded connection with the fixed column (1) through the external threads (7), the base (2) is arranged at the upper end of the fixed column (1), a groove (11) is formed in the middle of the upper surface of the base (2), two fixing holes (13) are respectively formed in the left side and the right side of the inside of the groove (11), the circuit board (3) is installed inside the groove (11), the first fixing holes (4) are respectively formed in the left side and the right side of the upper surface of the circuit board (3), the circuit board (3) is installed on the base (2) through fixing screws, the first fixing holes (4) and the second fixing holes (13), the upper surface of the acoustic surface wave temperature measurement sensor (5), the base (2) is provided with the spring antenna (12), and the upper end of the spring antenna (9) is welded, the tail end of the bending section (9) is provided with a spherical end (8).
2. The saw surface acoustic wave wireless passive temperature detection device of claim 1, wherein: the fixing column (1) is a regular hexagonal prism, the upper end of the fixing column (1) is fixedly connected with the base (2), the threaded hole (10) is an internal threaded blind hole, and internal threads are arranged on the inner wall of the threaded hole (10).
3. The saw wireless passive temperature detection device as claimed in claim 2, wherein: the internal thread is meshed with the external thread (7), and the stud (6) is mounted inside the threaded hole (10) through mutual meshing of the external thread (7) and the internal thread.
4. The saw surface acoustic wave wireless passive temperature detection device of claim 1, wherein: the base (2) is a circular plate, the groove (11) is a rectangular groove, and the groove (11) is formed in the middle of the upper surface of the base (2).
5. The saw surface acoustic wave wireless passive temperature detection device of claim 1, wherein: the first fixing holes (4) and the second fixing holes (13) are arranged in two numbers, the first fixing holes (4) are symmetrically arranged on the circuit board (3), and the axes of the first fixing holes (4) and the axes of the second fixing holes (13) are on the same straight line.
6. The saw wireless passive temperature detection device as claimed in claim 1, wherein: the bending section (9) is an arc spring section, the bending section (9) is bent towards the inner side of the upper end of the spring, and the spherical end (8) is arranged at the tail end of the bending section (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211658.XU CN217786385U (en) | 2022-08-22 | 2022-08-22 | Saw surface acoustic wave wireless passive temperature detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222211658.XU CN217786385U (en) | 2022-08-22 | 2022-08-22 | Saw surface acoustic wave wireless passive temperature detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217786385U true CN217786385U (en) | 2022-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222211658.XU Active CN217786385U (en) | 2022-08-22 | 2022-08-22 | Saw surface acoustic wave wireless passive temperature detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217786385U (en) |
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2022
- 2022-08-22 CN CN202222211658.XU patent/CN217786385U/en active Active
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