CN221173637U - Wireless temperature measuring device based on SAW - Google Patents
Wireless temperature measuring device based on SAW Download PDFInfo
- Publication number
- CN221173637U CN221173637U CN202323101595.3U CN202323101595U CN221173637U CN 221173637 U CN221173637 U CN 221173637U CN 202323101595 U CN202323101595 U CN 202323101595U CN 221173637 U CN221173637 U CN 221173637U
- Authority
- CN
- China
- Prior art keywords
- piece
- saw
- air supply
- supply channel
- wireless temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003292 glue Substances 0.000 claims abstract description 12
- 230000008054 signal transmission Effects 0.000 claims abstract description 11
- 238000010897 surface acoustic wave method Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 24
- 238000009529 body temperature measurement Methods 0.000 claims description 13
- 238000002955 isolation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005538 encapsulation Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a wireless temperature measuring device based on SAW, which comprises a surface acoustic wave sensing component capable of being installed at a to-be-measured point in a switch cabinet and a signal transmission component capable of being installed in the switch cabinet and used for transmitting signals of the surface acoustic wave sensing component; according to the utility model, the sharp protrusions arranged on the mounting plate can be used for enabling the sensor to be arranged on the conductive arm provided with the insulating package, and the insulating package is scratched to be small through the sharp protrusions so as to enable the sensor to be directly contacted with the conductive arm, so that the generation of a suspension potential is effectively avoided, the detection precision is improved, meanwhile, the pneumatic magnetic connection part can be used for providing the mounting strength of the antenna main body when the antenna main body is required to be arranged in the switch cabinet, and the air-tight glue bucket is used for limiting the strong magnetic block, so that the whole of the antenna main body is prevented from moving after an operator touches the signal transmission assembly in the subsequent internal overhaul process of the switch cabinet, and the subsequent temperature detection precision is further ensured.
Description
Technical Field
The utility model relates to the technical field of wireless temperature measurement, in particular to a wireless temperature measurement device based on SAW.
Background
SAW temperature sensors are sensors that measure temperature changes by measuring mechanical waves propagating on a solid surface, and because surface acoustic waves have extremely low propagation speeds and extremely short wavelengths, and are more resistant to radiation than conventional temperature sensors, surface acoustic wave sensor technology is often used in passive wireless temperature measurement systems of switch cabinets to detect temperatures at connectors within the switch cabinets.
The existing SAW wireless temperature measuring device mostly comprises a temperature sensor, a signal receiving and transmitting antenna and a main control device, wherein data transmission is carried out between the temperature sensor and the signal receiving and transmitting antenna through electric signals, the temperature sensor is arranged at a point position in a switch cabinet, which is required to be subjected to temperature detection, and the common SAW wireless temperature measuring device has the following problems:
(1) The common saw temperature sensor is mostly annular, tuning fork-shaped or plate-shaped, and is installed at a conductive arm or a cable in a switch cabinet through a bolt or a clamp, and when the surface of the conductive arm is provided with an insulating encapsulation, a suspension potential of the sensor is caused, so that the working stability of the sensor is affected.
(2) The mode that common signal receiving and transmitting antenna is mostly inhaled through magnetism is installed inside the cubical switchboard, because the position of antenna often can have certain influence to signal reception intensity, overhauls the in-process at relevant technician, appears easily touching signal receiving and transmitting antenna, and then leads to the condition that the antenna position changes, has certain influence to follow-up signal transmission stability.
Disclosure of utility model
In order to solve the problems, the utility model provides the following technical scheme:
a SAW-based wireless temperature measurement device, comprising:
The surface acoustic wave sensing assembly comprises a mounting plate and a sensor arranged on the mounting plate, wherein the surface of the mounting plate is provided with a sharp protrusion capable of scratching an insulating encapsulation on a conductive arm;
The signal transmission assembly comprises an antenna main body, a pneumatic magnetic attraction connecting part arranged on the antenna main body and a separator arranged on the inner wall of the switch cabinet, wherein the pneumatic magnetic attraction connecting part can be adsorbed on the separator, and at least one surface of the separator is a smooth surface.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the surface of installation plate is equipped with the activity plate that parallels with the installation plate, the activity plate passes through fixed establishment and links to each other with the installation plate, activity plate, installation plate and fixed establishment can make up into a clamping structure that can install the sensor on the switch cabinet conducting arm.
Further, the surface that the sensor is close to the installation plate is equipped with equipotential barrier and wholly is the film form, and the barrier surface is equipped with the viscose point that can paste the barrier in the cubical switchboard inside, the installation plate is equipped with the opening that supplies equipotential contact to extend to the installation plate outside.
Further, the shell surface of the antenna main body is provided with a connecting piece which is filled with a pneumatic magnetic attraction connecting part, and the pneumatic magnetic attraction connecting part comprises a fixing piece which is arranged on the surface of the connecting piece, a strong magnetic block which is arranged on the surface of the fixing piece, and an airtight rubber bucket which is arranged on the surface of the fixing piece and covers the strong magnetic block in the air-tight rubber bucket.
Further, the airtight rubber bucket can be adsorbed at the smooth surface of the isolation piece, and when the airtight rubber bucket is adsorbed on the surface of the isolation piece, the strong magnetic block can be adsorbed at the inner wall of the switch cabinet.
Further, the surface of the connecting piece is provided with an opening for the fixing piece to pass through, and the surface of the fixing piece is provided with a fixing structure capable of fixing the fixing piece on the surface of the connecting piece.
Further, the strong magnetic block and the surface of the fixing piece are provided with an air supply channel which is used for communicating the inside of the airtight rubber bucket with the outside, the surface of the fixing piece is provided with a blocking piece which can be used for blocking an opening of the air supply channel outside the airtight rubber bucket, and when the air supply channel is blocked by the blocking piece, the airtight rubber bucket can be adsorbed on the surface of the isolation piece.
Further, the air supply channel is integrally in a columnar structure, the air supply channel extends to the outside of the fixing piece, the blocking piece is integrally in a tubular structure and is connected with the surface of the air supply channel through a threaded structure, an elastic sealing piece capable of blocking an opening of the air supply channel is arranged between the blocking piece and the air supply channel, and when the blocking piece moves to a position where the elastic sealing piece is not contacted with the opening of the air supply channel any more, the inside of the airtight rubber hopper adsorbed on the isolation piece is communicated with the outside.
Advantageous effects
Compared with the prior art, the sensor is provided with the sharp bulge arranged on the mounting plate, when the sensor is required to be mounted on the conductive arm provided with the insulating encapsulation, the insulating encapsulation is scratched to a small opening through the sharp bulge so as to enable the sensor to be directly contacted with the conductive arm, so that the generation of a suspension potential is effectively avoided, the detection precision is improved, meanwhile, the pneumatic magnetic connection part can be used for providing the mounting strength of the antenna main body when the antenna main body is required to be mounted in the switch cabinet, and the air-tight glue bucket is used for limiting the strong magnetic block, so that the whole of the antenna main body is ensured not to move after an operator touches the signal transmission assembly in the subsequent internal overhaul process of the switch cabinet, and the subsequent temperature detection precision is further ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic elevational view of the utility model as installed in a switchgear cabinet;
FIG. 2 is a schematic side sectional view of an inventive signal transmission assembly;
FIG. 3 is a schematic diagram of the front view of the inventive signal transmission assembly;
FIG. 4 is a schematic diagram of a front cross-sectional structure of an inventive SAW sensing assembly;
FIG. 5 is a schematic top view of an inventive SAW sensing assembly;
FIG. 6 is a schematic top view of the movable plate of the present utility model;
FIG. 7 is an enlarged schematic view of FIG. 2A;
In the drawings, the list of components represented by the various numbers is as follows:
1. A surface acoustic wave sensing assembly; 11. mounting a plate; 12. a sensor; 13. a movable plate; 2. a signal transmission assembly; 21. an antenna main body; 22. pneumatic magnetic connection part; 221. a connecting piece; 222. a fixing member; 223. a strong magnetic block; 224. an airtight glue bucket; 225. a fixed structure; 226. an air supply passage; 227. a blocking member; 23. a spacer.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Referring to fig. 1-7, the utility model discloses a wireless temperature measuring device based on SAW, which comprises a surface acoustic wave sensing component 1 capable of being installed at a point to be measured in a switch cabinet, and a signal transmission component 2 capable of being installed in the switch cabinet and used for transmitting signals of the surface acoustic wave sensing component 1.
The surface acoustic wave sensing assembly 1 may be a common surface acoustic wave sensor 12, and specifically includes an installation plate 11 and a sensor 12 disposed on the installation plate 11, wherein a sharp protrusion capable of cutting an insulation package on a conductive arm is disposed on the surface of the installation plate 11, and a user can cut the insulation package on the conductive arm through the sharp protrusion, so that the installation plate 11 and the sensor 12 can be stretched into the insulation package to be in direct contact with the conductive arm, and meanwhile, an equipotential contact is disposed on the surface of the sensor 12, which is close to the installation plate 11, and the installation plate 11 is provided with an opening for the equipotential contact to extend to the outside of the installation plate 11, and the temperature detection precision of the installation plate is further improved through the direct contact of the equipotential contact and the conductive arm.
On the basis of the technical scheme, the surface of the installation plate 11 is provided with the movable plate 13 parallel to the installation plate 11, the movable plate 13 is connected with the installation plate 11 through the fixing mechanism, the movable plate 13, the installation plate 11 and the fixing mechanism can be combined into a clamping structure capable of installing the sensor 12 on the conducting arm of the switch cabinet, stable installation of the sensor 12 on the conducting arm can be realized through the clamping structure, and openings capable of allowing bolts to pass through can be formed in the installation plate 11 and the movable plate 13, so that the installation under more different states is adapted.
The signal transmission assembly 2 includes an antenna main body 21, a pneumatic magnetic connection part 22 disposed on the antenna main body 21, and a spacer 23 disposed on the inner wall of the switch cabinet, the pneumatic magnetic connection part 22 can be adsorbed on the spacer 23, at least one surface of the spacer 23 is a smooth surface, preferably, the whole spacer 23 is in a film shape, the surface of the spacer 23 is provided with an adhesive capable of adhering the spacer 23 to the inside of the switch cabinet, meanwhile, the surface of the housing of the antenna main body 21 is provided with a connection piece 221 filled with the pneumatic magnetic connection part 22, the connection piece 221 may be in a plate-shaped structure or a tubular structure, the pneumatic magnetic connection part 22 includes a fixing piece 222 disposed on the surface of the connection piece 221, a strong magnetic block 223 disposed on the surface of the fixing piece 222, and an airtight adhesive bucket 224 disposed on the surface of the fixing piece 222 and covering the strong magnetic block 223 in the inside, wherein the fixing piece 222 may be in a strip-shaped structure, the surface of the fixing piece 222 is provided with an opening for the fixing piece 222 to pass through, and the surface of the fixing piece 222 is provided with a fixing structure 225 capable of fixing the fixing piece 222 on the surface 225 of the fixing piece 225.
When installing antenna main part 21 in the cubical switchboard inside, airtight glue fill 224 can adsorb in the smooth surface department of isolator 23, and when airtight glue fill 224 adsorbs in the isolator 23 surface, strong magnetic path 223 can adsorb in cubical switchboard inner wall department, through the cooperation of airtight glue fill 224 and strong magnetic path 223, the stable fixed of antenna main part 21 in the cubical switchboard is realized fast.
In some embodiments, the surface of the strong magnetic block 223 and the surface of the fixing piece 222 are provided with an air supply channel 226 for communicating the inside of the airtight glue bucket 224 with the outside, the surface of the fixing piece 222 is provided with a blocking piece 227 capable of blocking an opening of the air supply channel 226 located outside the airtight glue bucket 224, and when the air supply channel 226 is blocked by the blocking piece 227, the airtight glue bucket 224 can be adsorbed on the surface of the isolating piece 23.
Further, the air supply channel 226 is integrally in a columnar structure, the air supply channel 226 extends to the outside of the fixing member 222, the blocking member 227 is integrally in a tubular structure and is connected with the surface of the air supply channel 226 through a threaded structure, an elastic sealing member capable of blocking the opening of the air supply channel 226 is arranged between the blocking member 227 and the air supply channel 226, when the blocking member 227 moves to a position where the elastic sealing member is not contacted with the opening of the air supply channel 226 any more, the inside of the airtight rubber bucket 224 adsorbed on the isolation member 23 is communicated with the outside, and when a user needs to detach the antenna main body 21 from the switch cabinet, the user only needs to screw the blocking member 227, so that the blocking member 227 can detach the antenna main body 21 without sealing the airtight rubber bucket 224 and the air supply channel 226 any more, and the subsequent overhaul and replacement are convenient.
In the description of the present technology, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the art will be understood in a specific manner by those of ordinary skill in the art.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. A SAW-based wireless temperature measurement device, comprising:
The surface acoustic wave sensing assembly (1) comprises a mounting plate (11) and a sensor (12) arranged on the mounting plate (11), wherein a sharp protrusion capable of cutting off an insulating encapsulation on a conductive arm is arranged on the surface of the mounting plate (11);
The signal transmission assembly (2) comprises an antenna main body (21), a pneumatic magnetic attraction connecting part (22) arranged on the antenna main body (21) and a separation piece (23) arranged on the inner wall of the switch cabinet, wherein the pneumatic magnetic attraction connecting part (22) can be adsorbed on the separation piece (23), and at least one surface of the separation piece (23) is a smooth surface.
2. A SAW-based wireless temperature measurement device as defined in claim 1, wherein: the surface of installation plate (11) is equipped with movable plate (13) that are parallel with installation plate (11), movable plate (13) link to each other with installation plate (11) through fixed establishment, movable plate (13), installation plate (11) and fixed establishment can make up into a clamping structure that can install sensor (12) on the switch cabinet conducting arm.
3. A SAW-based wireless temperature measurement device as defined in claim 2, wherein: the sensor (12) is provided with an equipotential contact near the surface of the mounting plate (11), and the mounting plate (11) is provided with an opening for the equipotential contact to extend to the outside of the mounting plate (11).
4. A SAW-based wireless temperature measurement device according to claim 3, wherein: the whole isolating piece (23) is in a film shape, and the surface of the isolating piece (23) is provided with adhesive which can adhere the isolating piece (23) inside the switch cabinet.
5. The SAW-based wireless temperature measurement device of claim 4, wherein: the antenna is characterized in that a connecting piece (221) filled with an air pressure type magnetic attraction connecting part (22) is arranged on the surface of the shell of the antenna main body (21), the air pressure type magnetic attraction connecting part (22) comprises a fixing piece (222) arranged on the surface of the connecting piece (221), a strong magnetic block (223) arranged on the surface of the fixing piece (222), and an airtight rubber bucket (224) arranged on the surface of the fixing piece (222) and used for covering the strong magnetic block (223) inside the air pressure type magnetic attraction connecting part.
6. The SAW-based wireless temperature measurement device of claim 5, wherein: the airtight rubber bucket (224) can be adsorbed at the smooth surface of the isolation piece (23), and when the airtight rubber bucket (224) is adsorbed on the surface of the isolation piece (23), the strong magnetic block (223) can be adsorbed at the inner wall of the switch cabinet.
7. The SAW-based wireless temperature measurement device of claim 6, wherein: the surface of the connecting piece (221) is provided with an opening for the fixing piece (222) to pass through, and the surface of the fixing piece (222) is provided with a fixing structure (225) which can fix the fixing piece (222) on the surface of the connecting piece (221).
8. The SAW-based wireless temperature measurement device of claim 7, wherein: the strong magnetic block (223) and the surface of the fixing piece (222) are provided with an air supply channel (226) which is used for communicating the inside of the airtight glue bucket (224) with the outside, the surface of the fixing piece (222) is provided with a blocking piece (227) which can be used for blocking an opening of the air supply channel (226) outside the airtight glue bucket (224), and when the air supply channel (226) is blocked by the blocking piece (227), the airtight glue bucket (224) can be adsorbed on the surface of the isolation piece (23).
9. The SAW-based wireless temperature measurement device of claim 8, wherein: the air supply channel (226) is integrally in a columnar structure, the air supply channel (226) extends to the outside of the fixing piece (222), the blocking piece (227) is integrally in a tubular structure and is connected with the surface of the air supply channel (226) through a threaded structure, an elastic sealing piece capable of blocking an opening of the air supply channel (226) is arranged between the blocking piece (227) and the air supply channel (226), and when the blocking piece (227) moves to a position where the elastic sealing piece is not contacted with the opening of the air supply channel (226) any more, the inside of the airtight rubber hopper (224) adsorbed on the isolation piece (23) is communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323101595.3U CN221173637U (en) | 2023-11-15 | 2023-11-15 | Wireless temperature measuring device based on SAW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323101595.3U CN221173637U (en) | 2023-11-15 | 2023-11-15 | Wireless temperature measuring device based on SAW |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221173637U true CN221173637U (en) | 2024-06-18 |
Family
ID=91536610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323101595.3U Active CN221173637U (en) | 2023-11-15 | 2023-11-15 | Wireless temperature measuring device based on SAW |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221173637U (en) |
-
2023
- 2023-11-15 CN CN202323101595.3U patent/CN221173637U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103630233A (en) | Acceleration sensor-based system and acceleration sensor-based method for monitoring vibration of circuit breaker | |
| CN104954966A (en) | Microphone sensitivity test tool and system | |
| CN221173637U (en) | Wireless temperature measuring device based on SAW | |
| CN201955435U (en) | GIS (gas insulated substation) partial discharge routing inspection UHF (ultra high frequency) sensor | |
| CN116047240A (en) | Switch cabinet partial discharge detection device based on ozone and ultrasonic combined detection | |
| CN210245403U (en) | Convenient gas density relay of quick check-up | |
| KR20160105432A (en) | Density monitor comprising separate housing parts, and assembly method | |
| CN202975342U (en) | Silicon PIN (positive-intrinsic-negative) semiconductor region gamma radiation monitor | |
| CN201903491U (en) | Micro-water density online monitoring instrument for high-voltage electric power equipment | |
| CN112748293B (en) | Measuring system for internal space charge distribution of high-voltage direct-current sleeve in operating state | |
| CN105374624B (en) | A kind of gas density relay provided with external gas density level indicator | |
| CN104409275B (en) | Vacuum degree online monitoring instrument for vacuum arc-extinguishing chamber | |
| CN210109042U (en) | Adaptive application sensor | |
| CN203024887U (en) | Support-type thermoscope | |
| CN217278743U (en) | Three-in-one intelligent sensor for partial discharge monitoring of switch cabinet | |
| CN105162022A (en) | Novel safety power equipment drawer cabinet | |
| CN114383771B (en) | Space vacuum sensor suitable for vacuum and complex electromagnetic environment | |
| CN219917011U (en) | Intelligent gas density relay | |
| CN215728577U (en) | Power switch cabinet partial discharge on-line monitoring device | |
| CN208688940U (en) | Gas density measuring device | |
| CN220322716U (en) | Wireless electronic stethoscope for automobile fault diagnosis | |
| CN210007472U (en) | knife switch control acquisition module | |
| CN212904644U (en) | Anti-electromagnetic interference gas sensor packaging structure | |
| CN216050407U (en) | Hand-held dynamometer | |
| CN210071171U (en) | SAW flexible temperature sensor for breaker moving contact and mounting structure thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |