CN208860420U - A kind of high temperature resistant type flow sensor - Google Patents
A kind of high temperature resistant type flow sensor Download PDFInfo
- Publication number
- CN208860420U CN208860420U CN201821396127.XU CN201821396127U CN208860420U CN 208860420 U CN208860420 U CN 208860420U CN 201821396127 U CN201821396127 U CN 201821396127U CN 208860420 U CN208860420 U CN 208860420U
- Authority
- CN
- China
- Prior art keywords
- piezoelectric ceramic
- ceramic piece
- flow sensor
- high temperature
- heat
- 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
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of high temperature resistant type flow sensors, including the wedge of resistance to thermoacoustic, heat-resisting protective lid, thermal insulation protection set and heat insulation shell, the wedge of resistance to thermoacoustic is internally provided with piezoelectric ceramic piece, adhesive layer is provided with below the piezoelectric ceramic piece, the piezoelectric ceramic piece side is provided with limiting bracket, the limiting bracket is provided with limit sliding chutes far from the piezoelectric ceramic piece side, connecting wire is provided with above the piezoelectric ceramic piece, the thermal insulation protection set is provided on the outside of the connecting wire, thermal insulation protection set two sides are provided with compression bar, elastic protective pad is provided with below the compression bar, pressing plate is provided with above the compression bar.Beneficial effect is: the utility model is not only provided with thermal insulation protection set outside connecting wire; reduce influence of the high temperature to connecting wire; it ensure that the working effect of flow sensor, while leakproofness also with higher, avoid the influence of moist flow sensor.
Description
Technical field
The utility model relates to sensor fields, more particularly to a kind of high temperature resistant type flow sensor.
Background technique
Flow sensor is a kind of instrument of the flow of detection gas, steam and liquid, but due to flow sensor
Working environment has the characteristics of humidity, high temperature, and the electrical component in moist and high temperature meeting flow sensor causes to damage, shadow
Ring the service life of flow sensor.
Application No. is 201620253078.9 Chinese patents for comparison, disclose a kind of high temperature resistant ultrasonic flow sensing
Device, including piezoelectric ceramic piece, sound wedge, backing, compressing member, measurement lead；The piezoelectric ceramic piece passes through bonding agent and sound wedge phase
Even, backing is placed in piezoelectric ceramics on piece and crimps with piezoelectric ceramic piece, for drawing measurement lead；The compressing member is placed in backing
On, it is connect with the sound forelock.
Above-mentioned patent separates processing circuit and detection probe, reduces influence of the high temperature to processing circuit, but measures
Lead still will receive the influence of high temperature, and then influence the working effect of flow sensor, it is therefore desirable to design a kind of high temperature resistant type
Flow sensor, the utility model are not only provided with thermal insulation protection set outside connecting wire, reduce high temperature to connecting wire
Influence, ensure that the working effect of flow sensor, while leakproofness also with higher, avoid humidity to flow sensing
The influence of device.
Utility model content
It is excellent the purpose of the utility model is to provide a kind of high temperature resistant type flow sensor in order to overcome the above problem
Point is that thermal insulation protection set is not only provided with outside connecting wire, reduces influence of the high temperature to connecting wire, ensure that flow
The working effect of sensor, while leakproofness also with higher, avoid the influence of moist flow sensor.
The utility model achieves the above object through the following technical schemes:
A kind of high temperature resistant type flow sensor, including the wedge of resistance to thermoacoustic, heat-resisting protective lid, thermal insulation protection set and heat insulation shell,
The wedge of resistance to thermoacoustic is internally provided with piezoelectric ceramic piece, is provided with adhesive layer, the piezoelectric ceramics below the piezoelectric ceramic piece
Piece side is provided with limiting bracket, and the limiting bracket is provided with limit sliding chutes, the pressure far from the piezoelectric ceramic piece side
It is provided with connecting wire above electroceramics piece, is provided with the thermal insulation protection set, the thermal insulation protection on the outside of the connecting wire
Set two sides are provided with compression bar, and elastic protective pad is provided with below the compression bar, is provided with pressing plate, the pressing plate above the compression bar
Side is provided with sliding block, and mobile chute is provided on the outside of the sliding block, is provided with compact heap, the compact heap above the pressing plate
Top is provided with the heat-resisting protective lid, is provided with sealing ring above the wedge of resistance to thermoacoustic, the connecting wire is far from the pressure
Electroceramics piece one end is provided with the heat insulation shell, and the heat insulation shell is internally provided with circuit board, is arranged on the circuit board
There is processing chip, the processing chip model is STM32F407ZET6, and the processing chip sides are provided with wireless communication core
Piece, the wireless communication chips model MC75, the heat insulation shell front is provided with indicator light, the indicator light and the nothing
Line communication chip is electrically connected with the processing chip.
So set, not only reducing influence of the high temperature to the connecting wire, the work effect of flow sensor ensure that
Fruit, while leakproofness also with higher, avoid the influence of moist flow sensor.
In above structure, ultrasonic wave is by making the wedge of resistance to thermoacoustic be transmitted to the piezoelectric ceramic piece, the connecting wire
The information that will test is sent to the processing chip, and the processing chip is analyzed and processed detection information, is calculated
Calculated flow value is sent to monitoring center by the wireless communication chips by flow value, and the heat insulation shell can be protected
The internal circuit board is not affected by high temperatures, and the thermal insulation protection set can protect the connecting wire to be not affected by high temperatures, and is mentioned
The high service life of flow sensor.
As a kind of optimal technical scheme of the utility model, the heat-resisting protective lid and the wedge of resistance to thermoacoustic pass through screw thread
It is fixedly connected, the sealing ring is fixedly connected with the heat-resisting protective lid by viscose glue, and the compact heap takes shape in described heat-resisting
Protection cap.
It is covered so set, the heat-resisting protective can be firmly fixed to the sealing ring, ensure that the heat-resisting guarantor
The connection sealing of protecting cover and the wedge of resistance to thermoacoustic.
As a kind of optimal technical scheme of the utility model, the compression bar is fixedly connected with the pressing plate by viscose glue,
The sliding block is fixedly connected with the pressing plate by viscose glue, and the compression bar is fixedly connected with the elastic protective pad by viscose glue.
So set, ensure that the connective stability of the compression bar and the sliding block and the pressing plate.
As a kind of optimal technical scheme of the utility model, the sliding block and the wedge of resistance to thermoacoustic are sliding by the movement
Slot connection, the limiting bracket are connect with the wedge of resistance to thermoacoustic by the limit sliding chutes.
So set, being convenient for the positioning and movement of the piezoelectric ceramic piece and the pressing plate.
As a kind of optimal technical scheme of the utility model, the piezoelectric ceramic piece and the wedge of resistance to thermoacoustic are described in
Adhesive layer is fixedly connected, and the limiting bracket is fixedly connected with the piezoelectric ceramic piece by viscose glue.
So set, ensure that the stable connection of the wedge of resistance to thermoacoustic and the limiting bracket and the piezoelectric ceramic piece
Property.
As a kind of optimal technical scheme of the utility model, the circuit board is fixed with the heat insulation shell by screw
Connection, the processing chip and the circuit board pass through soldering by tin welding, the wireless communication chips and the circuit board
It connects.
So set, can be firmly solid by the circuit board for being fixed with the processing chip and the wireless communication chips
It is scheduled in the heat insulation shell.
As a kind of optimal technical scheme of the utility model, the indicator light is embedded on the heat insulation shell, described
Thermal insulation protection set is connect with the connecting wire interference.
So set, the indicator light can be stably fixed on the heat insulation shell, it can be by the thermal insulation protection set
It is firmly fixed in the connecting wire.
The utility model beneficial effect achieved is: the utility model is not only provided with heat-insulated guarantor outside connecting wire
Sheath reduces influence of the high temperature to connecting wire, ensure that the working effect of flow sensor, while also with higher close
Feng Xing avoids the influence of moist flow sensor.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of internal structure of high temperature resistant type flow sensor described in the utility model；
Fig. 2 is a kind of main view of high temperature resistant type flow sensor described in the utility model；
Fig. 3 is the top view of the wedge of resistance to thermoacoustic in a kind of high temperature resistant type flow sensor described in the utility model；
Fig. 4 is a kind of circuit structure flow diagram of high temperature resistant type flow sensor described in the utility model.
The reference numerals are as follows:
1, adhesive layer；2, the wedge of resistance to thermoacoustic；3, piezoelectric ceramic piece；4, limit sliding chutes；5, limiting bracket；6, elastic protective pad；
7, compression bar；8, sliding block；9, mobile chute；10, sealing ring；11, pressing plate；12, heat-resisting protective lid；13, compact heap；14, connection is led
Line；15, thermal insulation protection set；16, wireless communication chips；17, heat insulation shell；18, circuit board；19, chip is handled；20, indicator light.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model is described in further detail with reference to the accompanying drawing.
First embodiment:
As Figure 1-Figure 4, a kind of high temperature resistant type flow sensor, including it is the wedge of resistance to thermoacoustic 2, heat-resisting protective lid 12, heat-insulated
Protective case 15 and heat insulation shell 17, the wedge of resistance to thermoacoustic 2 are internally provided with piezoelectric ceramic piece 3, and the effect of piezoelectric ceramic piece 3 is used as surpassing
Sonic probe is provided with adhesive layer 1 below piezoelectric ceramic piece 3, and 3 side of piezoelectric ceramic piece is provided with limiting bracket 5, limiting bracket
5 effect is fixed piezoelectric ceramic piece 3, and limiting bracket 5 is provided with limit sliding chutes 4, limit sliding chutes far from 3 side of piezoelectric ceramic piece
4 effect is easy for the movement of limiting bracket 5, is provided with connecting wire 14 above piezoelectric ceramic piece 3, sets on the outside of connecting wire 14
It is equipped with thermal insulation protection set 15, the effect of thermal insulation protection set 15 is protection connecting wire 14, and thermal insulation protection covers 15 two sides and is provided with pressure
Bar 7 is provided with elastic protective pad 6 below compression bar 7, and the effect of elastic protective pad 6 is protection piezoelectric ceramic piece 3, sets above compression bar 7
It is equipped with pressing plate 11,11 side of pressing plate is provided with sliding block 8, and the effect of sliding block 8 is easy for the movement of pressing plate 11, is arranged on the outside of sliding block 8
There is mobile chute 9, compact heap 13 is provided with above pressing plate 11, the effect of compact heap 13 is clamping platen 11,13 top of compact heap
It is provided with heat-resisting protective lid 12, sealing ring 10 is provided with above the wedge of resistance to thermoacoustic 2, connecting wire 14 is far from 3 one end of piezoelectric ceramic piece
It is provided with heat insulation shell 17, the effect of heat insulation shell 17 is protection electric elements inside, and heat insulation shell 17 is internally provided with circuit
Plate 18 is provided with processing chip 19 on circuit board 18, handles 19 model STM32F407ZET6 of chip, and effect is control equipment
Work, processing 19 side of chip is provided with wireless communication chips 16,16 model MC75 of wireless communication chips, and effect is to realize
The wireless transmission of information, 17 front of heat insulation shell are provided with indicator light 20, indicator light 20 and wireless communication chips 16 and processing core
Piece 19 is electrically connected.
Second embodiment:
The difference of second embodiment and first embodiment is: heat-resisting protective lid 12 is threadably secured with the wedge of resistance to thermoacoustic 2
Connection, sealing ring 10 are fixedly connected with heat-resisting protective lid 12 by viscose glue, and compact heap 13 takes shape in heat-resisting protective lid 12.
Specifically, heat-resisting protective lid 12 is threadably secured with the wedge of resistance to thermoacoustic 2 and connect, convenient for the peace of heat-resisting protective lid 12
Dress, sealing ring 10 are fixedly connected with heat-resisting protective lid 12 by viscose glue, ensure that the connection of sealing ring 10 Yu heat-resisting protective lid 12
Stability, compact heap 13 take shape in heat-resisting protective lid 12, ensure that the connectivity robustness of compact heap 13 Yu heat-resisting protective lid 12.
3rd embodiment:
3rd embodiment is with the difference of first embodiment: compression bar 7 is fixedly connected with pressing plate 11 by viscose glue, sliding block 8
It is fixedly connected with pressing plate 11 by viscose glue, compression bar 7 is fixedly connected with elastic protective pad 6 by viscose glue.
Specifically, compression bar 7 is fixedly connected with pressing plate 11 by viscose glue, ensure that the connectivity robustness of pressing plate 11 Yu compression bar 7,
Sliding block 8 is fixedly connected with pressing plate 11 by viscose glue, ensure that the connectivity robustness of pressing plate 11 Yu sliding block 8, compression bar 7 and resilient protection
Pad 6 is fixedly connected by viscose glue, and pressing plate 11 is facilitated to move up and down.
When the utility model is used, ultrasonic wave is by making the wedge of resistance to thermoacoustic 2 be transmitted to piezoelectric ceramic piece 3, connecting wire 14
The information that will test is sent to processing chip 19, and processing chip 19 is analyzed and processed detection information, and flow is calculated
Value, calculated flow value is sent to monitoring center by chip 16 by wireless communication, heat insulation shell 17 can protect inside electricity
Road plate 18 is not affected by high temperatures, and thermal insulation protection set 15 can protect connecting wire 14 to be not affected by high temperatures, and improves flow sensor
Service life.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. a kind of high temperature resistant type flow sensor, including the wedge of resistance to thermoacoustic, heat-resisting protective lid, thermal insulation protection set and heat insulation shell,
Be characterized in that: the wedge of resistance to thermoacoustic is internally provided with piezoelectric ceramic piece, is provided with adhesive layer below the piezoelectric ceramic piece, described
Piezoelectric ceramic piece side is provided with limiting bracket, and the limiting bracket is provided with limit far from the piezoelectric ceramic piece side and slides
Slot, the piezoelectric ceramic piece top is provided with connecting wire, is provided with the thermal insulation protection set on the outside of the connecting wire, described
Thermal insulation protection set two sides are provided with compression bar, and elastic protective pad is provided with below the compression bar, is provided with pressing plate above the compression bar,
The pressing plate side is provided with sliding block, and mobile chute is provided on the outside of the sliding block, is provided with compact heap above the pressing plate, institute
It states and is provided with the heat-resisting protective lid above compact heap, be provided with sealing ring above the wedge of resistance to thermoacoustic, the connecting wire is remote
Described piezoelectric ceramic piece one end is provided with the heat insulation shell, the heat insulation shell is internally provided with circuit board, the circuit
Processing chip is provided on plate, the processing chip sides are provided with wireless communication chips, and the heat insulation shell front is provided with
Indicator light, the indicator light and the wireless communication chips are electrically connected with the processing chip.
2. a kind of high temperature resistant type flow sensor according to claim 1, it is characterised in that: the heat-resisting protective lid and institute
It states the wedge of resistance to thermoacoustic and is threadably secured connection, the sealing ring is fixedly connected with the heat-resisting protective lid by viscose glue, the pressure
Tight formation of lots is in the heat-resisting protective lid.
3. a kind of high temperature resistant type flow sensor according to claim 1, it is characterised in that: the compression bar and the pressing plate
It is fixedly connected by viscose glue, the sliding block is fixedly connected with the pressing plate by viscose glue, the compression bar and the elastic protective pad
It is fixedly connected by viscose glue.
4. a kind of high temperature resistant type flow sensor according to claim 1, it is characterised in that: the sliding block with it is described heat-resisting
Sound wedge is connected by the mobile chute, and the limiting bracket is connect with the wedge of resistance to thermoacoustic by the limit sliding chutes.
5. a kind of high temperature resistant type flow sensor according to claim 1, it is characterised in that: the piezoelectric ceramic piece and institute
It states the wedge of resistance to thermoacoustic to be fixedly connected by the adhesive layer, the limiting bracket and the piezoelectric ceramic piece connect by the way that viscose glue is fixed
It connects.
6. a kind of high temperature resistant type flow sensor according to claim 1, it is characterised in that: the circuit board and it is described every
Hot shell is fixedly connected by screw, the processing chip and the circuit board by tin welding, the wireless communication chips with
The circuit board passes through tin welding.
7. a kind of high temperature resistant type flow sensor according to claim 1, it is characterised in that: the indicator light is embedded in institute
It states on heat insulation shell, the thermal insulation protection set is connect with the connecting wire interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396127.XU CN208860420U (en) | 2018-08-29 | 2018-08-29 | A kind of high temperature resistant type flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396127.XU CN208860420U (en) | 2018-08-29 | 2018-08-29 | A kind of high temperature resistant type flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860420U true CN208860420U (en) | 2019-05-14 |
Family
ID=66415972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821396127.XU Active CN208860420U (en) | 2018-08-29 | 2018-08-29 | A kind of high temperature resistant type flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208860420U (en) |
-
2018
- 2018-08-29 CN CN201821396127.XU patent/CN208860420U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202720070U (en) | High-stability and rapid NTC temperature sensor | |
| CN104011518A (en) | Infrared sensor and infrared sensor device | |
| CN208860420U (en) | A kind of high temperature resistant type flow sensor | |
| CN110068396B (en) | Wireless thermocouple | |
| CN203365047U (en) | Dual-path pressure sensitive core | |
| CN106482858A (en) | Plug-in mounting telemetering type temperature sensor | |
| CN103308217B (en) | Encapsulation structure of high-temperature pressure sensor | |
| CN210154602U (en) | Packaging structure of new energy automobile air conditioner temperature pressure sensor | |
| CN209263895U (en) | A kind of electronic rheostat sensor for pile detection | |
| CN207066461U (en) | A kind of sensor | |
| CN110068704A (en) | A kind of multi-functional self-compensating high temperature acceleration transducer | |
| CN201837908U (en) | Temperature control sensor of water heater | |
| CN110174209A (en) | Media-isolated pressure sensor | |
| CN210293487U (en) | Temperature sensor for electric vehicle charging plug and charging plug | |
| CN205352607U (en) | Pressure sensor and cooling utensil | |
| CN208860488U (en) | Temperature measurement structure for electric heater unit | |
| CN203705111U (en) | Pressure transmitter | |
| CN210166051U (en) | Multifunctional temperature sensor for vehicle | |
| CN204007925U (en) | The highly reliable temperature-sensitive chip of a kind of quick response | |
| CN202734870U (en) | Temperature and flow integrated sensor | |
| CN219870038U (en) | Packaging structure of temperature sensor | |
| CN201251460Y (en) | Ultrasonic transducer adopting insulated sealing glass connecting terminal | |
| CN106768454A (en) | Telemetering type temperature sensor | |
| CN203564080U (en) | Temperature measuring module used for pressure cooker | |
| CN216524442U (en) | Temperature measurement structure for steam sterilization cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 Liming courtyard 201, 144-5 Zhongxing Road, Luohu District, Luoling community, Luohu District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huijin Science and Technology Development Co., Ltd. Address before: 518000 Block A 505, Hualong Park, Zhongxing Road, Luohu District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Huijin Science and Technology Development Co., Ltd. |