CN204202701U - A kind of window anti-corrosion type function ultrasonic liquid level measuring sensor - Google Patents
A kind of window anti-corrosion type function ultrasonic liquid level measuring sensor Download PDFInfo
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- CN204202701U CN204202701U CN201420551656.8U CN201420551656U CN204202701U CN 204202701 U CN204202701 U CN 204202701U CN 201420551656 U CN201420551656 U CN 201420551656U CN 204202701 U CN204202701 U CN 204202701U
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- housing
- liquid level
- measuring sensor
- level measuring
- type function
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor, comprise housing and be arranged on the sensing element in housing, described housing is ceramic shell, described shell end is provided with connector, this connector place is provided with Aviation Connector, this Aviation Connector is connected with sensing element by connecting wire, embedding sealed colloid in described housing, anticorrosive ultrasonic BL of the present utility model adopts pottery as shell, and be packaged into integral structure by sealed colloid, employing Aviation Connector exports, ensure that sensor has good sealing property and decay resistance.
Description
Technical field
The utility model relates to a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor.
Background technology
Gas Jie ultrasonic sensor is the aerial propagation of ultrasound wave, utilizes the acoustic impedance of different medium and the difference of air-borne sound impedance, can produce catadioptric characteristic, can be used for making keeps away barrier, level sensing, Level measurement, distance detects, the various utilizations such as location.
Existing ultrasonic sensor is generally with common plastics or metal shell.Can not work long hours under the environment having corrosion.Special under the environment of strong acid and strong base, if with common plastics or metal shell, the life-span is all no more than 3 months.Therefore, in the urgent need to a kind of can the ultrasonic sensor of normal table work in particular circumstances.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor.
The utility model solves the technical scheme that its technical matters adopts:
A kind of window anti-corrosion type function ultrasonic liquid level measuring sensor, comprise housing and be arranged on the sensing element in housing, described housing is ceramic shell, described shell end is provided with connector, this connector place is provided with Aviation Connector, this Aviation Connector is connected with sensing element by connecting wire, embedding sealed colloid in described housing.
Described sealed colloid is epoxy resin.
Described sensing element comprises piezoelectric chip, planar radiation plate, reflection damping sheet.
Front electrode and the single resistant material with certain rigidity of described piezoelectric chip, adopt cast, pressure injection or bonding mode to make the planar radiation plate of integral type.
The rear electrode of described piezoelectric chip is stained with the reflection damping sheet keeping certain interval with inner walls.
Be provided with dividing plate in described housing, housing be separated into two independently sealed cavities.
The beneficial effects of the utility model are: a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor, comprise housing and be arranged on the sensing element in housing, described housing is ceramic shell, described shell end is provided with connector, this connector place is provided with Aviation Connector, this Aviation Connector is connected with sensing element by connecting wire, embedding sealed colloid in described housing, anticorrosive ultrasonic BL of the present utility model adopts pottery as shell, and be packaged into integral structure by sealed colloid, employing Aviation Connector exports, ensure that sensor has good sealing property and decay resistance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Embodiment
With reference to Fig. 1, Fig. 1 is the structural representation of the utility model specific embodiment, as shown in the figure, a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor, the sensing element comprising housing 1 and be arranged in housing 1, described housing 1 is ceramic shell, described housing 1 end is provided with connector, this connector place is provided with Aviation Connector 12, and this Aviation Connector 12 is connected with sensing element by connecting wire, and in described housing 1, embedding has by sealed colloids such as epoxy resin.
As shown in the figure, described sensing element comprises piezoelectric chip 4, planar radiation plate 2, reflection damping sheet 6, front electrode 3 and the single resistant material with certain rigidity of described piezoelectric chip 4, adopt cast, pressure injection or bonding mode to make the planar radiation plate of integral type, the rear electrode 5 of described piezoelectric chip 4 is stained with the reflection damping sheet 6 keeping certain interval with housing 1 inwall.
Planar radiation plate 2 is also the node of electrode 3, piezoelectric chip 4 and rear electrode 5 before supporting simultaneously, one is made with front electrode adhesion, its material of planar radiation plate can for any one can with the material of the rigid, corrosion resistant of front electrode secure bond, as plastics, pottery, epoxy resin.The reflection damping sheet 6 that rubberite is made, sticks to above rear electrode 5.Material and the similar dividing plate 8 of planar radiation plate, will be divided into two independently sealed cavities in housing, cast thickness is 10 ~ 20mm.Abovementioned technology is conducive to the conversion efficiency and the sensitivity that improve sensor.Prime amplifier 9, be fixed on the dividing plate 8 that is made up of epoxy resin, the echoed signal for being exported by sensor delivers to indicating instrument after being amplified to sufficient intensity again, and this way is very necessary when sensor distance indicating instrument is far away.
Can see in the accompanying drawings, whole shell and planar radiation plate are all made up of the material of acid-alkali-corrosive-resisting, and ceramic shell 1 inwall and planar radiation plate 2 contact site have all carried out roughening process, to increase the bond strength with planar radiation plate.Totally enclosed structure makes it to have good antiseptic property.Can in severe working environment long-term normal use.Because front electrode 3 is put into wherein when planar radiation plate 2 is shaped, harden with planar radiation and to put the palms together before one point closely reliable, improve conversion efficiency.The optimum thickness of planar radiation plate can between 8.5 ~ 33.0mm, and reflection damping sheet 6 keeps certain interval with outer casing inner wall, and this gap can be 0.1 ~ 1.5mm, and the light rubber filling of available flexibility, also can not filling.
Anticorrosive ultrasonic BL of the present utility model adopts pottery as shell, and is packaged into integral structure by sealed colloid, adopts Aviation Connector to export, ensures that sensor has good sealing property and decay resistance.
Above better enforcement of the present utility model is illustrated; certainly; the utility model can also adopt form different from the embodiment described above; the equivalent conversion that those of ordinary skill in the art do under the prerequisite without prejudice to spirit of the present invention or change accordingly, all should belong in protection domain of the present utility model.
Claims (6)
1. a window anti-corrosion type function ultrasonic liquid level measuring sensor, it is characterized in that: the sensing element comprising housing (1) and be arranged in housing (1), described housing (1) is ceramic shell, described housing (1) end is provided with connector, this connector place is provided with Aviation Connector (12), this Aviation Connector (12) is connected with sensing element by connecting wire, the interior embedding sealed colloid of described housing (1).
2. a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor according to claim 1, is characterized in that: described sealed colloid is epoxy resin.
3. a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor according to claim 1, is characterized in that: described sensing element comprises piezoelectric chip (4), planar radiation plate (2), reflection damping sheet (6).
4. a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor according to claim 3, it is characterized in that: front electrode (3) and the single resistant material with certain rigidity of described piezoelectric chip (4), adopt cast, pressure injection or bonding mode to make the planar radiation plate of integral type.
5. a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor according to claim 4, is characterized in that: the rear electrode (5) of described piezoelectric chip (4) is stained with the reflection damping sheet (6) keeping certain interval with housing (1) inwall.
6. a kind of window anti-corrosion type function ultrasonic liquid level measuring sensor according to claim 5, is characterized in that: be provided with dividing plate (8) in described housing (1), housing (1) is separated into two independently sealed cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551656.8U CN204202701U (en) | 2014-09-25 | 2014-09-25 | A kind of window anti-corrosion type function ultrasonic liquid level measuring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551656.8U CN204202701U (en) | 2014-09-25 | 2014-09-25 | A kind of window anti-corrosion type function ultrasonic liquid level measuring sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204202701U true CN204202701U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420551656.8U Expired - Fee Related CN204202701U (en) | 2014-09-25 | 2014-09-25 | A kind of window anti-corrosion type function ultrasonic liquid level measuring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204202701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031032A (en) * | 2017-12-13 | 2019-07-19 | 罗伯特·博世有限公司 | Sensor head and method for manufacturing sensor head |
-
2014
- 2014-09-25 CN CN201420551656.8U patent/CN204202701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031032A (en) * | 2017-12-13 | 2019-07-19 | 罗伯特·博世有限公司 | Sensor head and method for manufacturing sensor head |
| CN110031032B (en) * | 2017-12-13 | 2022-04-01 | 罗伯特·博世有限公司 | Sensor head and method for producing a sensor head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-efficiency ultrasonic liquid level measurement sensor with anti-corrosive function Effective date of registration: 20151126 Granted publication date: 20150311 Pledgee: Bank of China Limited by Share Ltd. Zhongshan branch Pledgor: ZHONGSHAN OMAC INSTRUMENT AND EQUIPMENT Co.,Ltd. Registration number: 2015990001053 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20210925 |