CN204988499U - Vibration sensor - Google Patents
Vibration sensor Download PDFInfo
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- CN204988499U CN204988499U CN201520440494.5U CN201520440494U CN204988499U CN 204988499 U CN204988499 U CN 204988499U CN 201520440494 U CN201520440494 U CN 201520440494U CN 204988499 U CN204988499 U CN 204988499U
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- circuit board
- vibration transducer
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- sensing chip
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Abstract
The utility model discloses a vibration sensor, including piezo electric effect response piece, ballast piece, casing, the casing is including response chamber, sealed chamber, and the opening in response chamber is with the apron cap seal and establish piezo electric effect response piece, and the lateral wall sets up the wire via hole, sets up the circuit board at sealed intracavity, the circuit board is provided with temperature sensitive device port and signal output part mouth, the circuit board receive the signal of telecommunication and/or the external thermistor of piezo electric effect response piece the signal of telecommunication, pass through the the main control panel of communication signals to the electromagnetism water heater is exported to the signal output part mouth. The utility model discloses increase temperature sensing formula temperature sensing on the basis is vibrated to the piezoelectric type, two kinds of sensing modes complement each other to it is not enough to compensate piezoelectric type vibration sensing device, makes more convenient and practical of electromagnetism drinking water boiler.
Description
Technical field
The utility model relates to sensor technical field, more particularly, relates to a kind of vibration transducer be applied on liquid heater.
Background technology
At present, on the liquid heater of electric heating, generally adopt temperature sensor to detect the temperature of water, thus provide foundation for computer heating control.And for electromagnetic tea stove or electromagnetism health-promotion kettle, its container be filled with water separates with Electromagnetic Heating movement usually, therefore, the sensor detecting coolant-temperature gage can only be arranged on the ceramic wafer of movement, there is the inaccurate shortcoming of temperature-sensitive, after water is boiled, if stop heating not in time, water can overflow from kettle, will dryout if be not related to water for a long time, and kettle body burns red.For solving the boiling water test problems of electromagnetic electric water heater, prior art also has employing vibration transducer to determine whether boiling water seethes with excitement, in the process of heating up water, heated bottom kettle, heat upwards conducts at the bottom of kettle, and cause water upper and lower temperature difference uneven thus produce vibration, the signal of its vibrations sends different vibration frequencies with the temperature that water is different, piezoelectric effect sensing chip responds to different rate-adaptive pacemaker different electrical signals, thus reflects the situation of coolant-temperature gage change.Disclosed in 30 days July in 2008 boiled water sensor (application number: 200720055611.1) by a piezoelectric effect potsherd and the saddle weight on it for the input of seething with excitement of heating up water, the change of gravity is produced in the vibration of seething with excitement at boiling water by saddle weight, make piezoelectric effect potsherd occur corresponding electric signal, thus identify boiling point.Vibration transducer is adopted to replace traditional temperature sensor to detect boiling water boiling point not by the impact of sea level elevation, environment temperature, splendid performance is had to the vibration signal of boiling water, but, when the Water quality needing to hot plate is less time, the amplitude of water body vibration is less, this piezoelectric vibration pickup cannot be played a role, and metrical error is very big.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of employing two kinds of sensing modes, make electromagnetic tea stove or the more convenient practical vibration transducer of electromagnetism health-promotion kettle, the state whether water temperature and water seethe with excitement all correctly can be detected under the occasion of hotting plate minable water yield change, to overcome the deficiencies in the prior art, circuit board enclosure-type installs waterproof insectproof, is more suitable for environment to boil water.
The utility model solves the technical scheme that its technical matters adopts: a kind of vibration transducer, comprise piezoelectric effect sensing chip, saddle weight, housing, described housing comprises induction cavity, annular seal space, the opening of induction cavity is with cover plate cap seal, in annular seal space, circuit board is set, described piezoelectric effect sensing chip is arranged in induction cavity, described induction cavity sidewall arranges wire via hole, connect wire through described wire via hole, by described piezoelectric effect sensing chip and circuit board electrical connection, described circuit board is provided with thermosensitive device port and signal output port, the described electric signal of board receiver piezoelectric effect sensing chip and/or the electric signal of external thermosensitive device, by described signal output port outputting communication signal to master control borad.
Described circuit board is potted in annular seal space with insulating material.
The ballast chamber for holding described saddle weight is provided with inside described cover plate.
The center of described saddle weight arranges arc salient point, and described arc salient point contacts with piezoelectric effect sensing chip.
Described vibration transducer is arranged on the ceramic wafer bottom surface of electromagnetic tea stove.
Compared with prior art, the beneficial effects of the utility model are:
Vibration transducer of the present utility model increases heat-sensitive type temperature sensing device on the basis adopting piezoelectric type vibration sensing device, when piezoelectric type vibration sensing device accurately can not detect water body boiling vibrating, detected by the temperature of heat-sensitive type temperature sensing device to water body, thus make up the deficiency of piezoelectric type vibration sensing device, make the electromagnet water heater scope of application wider.
Sensing chip, sensor circuit plate are arranged on the both sides of housing by vibration transducer of the present utility model, and heat-sensitive type temperature sensor is flexibly connected sensor circuit plate with plug port, and total is reasonable in design, and reliability is high, and production cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model vibration transducer stereographic map.
Fig. 2 is the utility model vibration transducer front view.
Fig. 3 is the A-A cut-away view of Fig. 2.
Fig. 4 is the B-B cut-away view of Fig. 2.
Fig. 5 is the utility model vibration transducer rear view.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as scope of the present utility model is limited.
See Fig. 1-5, a kind of vibration transducer 10, comprise piezoelectric effect sensing chip (not shown), saddle weight (not shown), housing 1, described housing 1 comprises induction cavity 5, annular seal space 6, mounting ear 3, the opening of induction cavity is with cover plate 2 cap seal, circuit board (not shown) is set in annular seal space, described piezoelectric effect sensing chip is arranged in induction cavity 5, described induction cavity sidewall arranges wire via hole 4, connect wire through described wire via hole, by described piezoelectric effect sensing chip and circuit board electrical connection, described circuit board is provided with thermosensitive device port 8 and signal output port 9, the described electric signal of board receiver piezoelectric effect sensing chip and/or the electric signal of external thermosensitive device, by described signal output port outputting communication signal to master control borad.Thermosensitive device adopts thermistor.
As in Figure 3-5, circuit board is in annular seal space, and it is potted in annular seal space with epoxy resin (or other insulating material), and label 7 represents the sealant formed by insulating material such as epoxy resin.The label 11 of Fig. 5 represents the approximate location of connection wire through sealant.
The ballast chamber 12 for holding described saddle weight is provided with inside described cover plate 2, particularly, the internal diameter in ballast chamber 12 and the saddle weight external diameter of pie suitable, and the center of saddle weight arranges arc salient point, when cover plate 2 cap seal is on induction cavity, the arc salient point of saddle weight contacts with piezoelectric effect sensing chip.
Described vibration transducer is arranged on the ceramic wafer bottom surface of electromagnetic tea stove, and ceramic wafer bottom surface is close to by the cover plate of vibration transducer.The lead-in wire port of thermistor is plugged on thermosensitive device port 8, and the induction end of thermistor then can be arranged on the correct position of ceramic wafer bottom surface of electromagnetic tea stove.Ceramic wafer bottom surface is close to by the cover plate of vibration transducer.
When electromagnetic tea stove uses, in a reservoir by the water that heats along with temperature be elevated to uniform temperature time, vibration signal will be produced, this signal is delivered to vibration transducer by ceramic wafer, vibration signal is passed to saddle weight and makes saddle weight because inertia produces the change of gravity at piezoelectric effect sensing chip, cause piezoelectric effect sensing chip to occur corresponding electric charge, thus produce electric signal, circuit board outputs to the master control board of electromagnetic tea stove after this electric signal is amplified shaping.Export different frequency signals according to the change of water temperature, can identify that water outlet is wet and boiling point.When the water in container is less, its vibration signal is very weak, and now, faint frequency signal coordinates the temperature number of selling in thermosensitive device induction container, is outputted to the master control board of electromagnet water heater by signal output port, to reach the object identifying the water yield and temperature.
Although illustrate and described embodiment of the present utility model; those of ordinary skill in the art is to be understood that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim; scope of the present utility model limited by claim and equivalent replacement thereof; in the improvement etc. done without creative work, all should be included within protection domain of the present utility model.
Claims (5)
1. a vibration transducer, comprise piezoelectric effect sensing chip, saddle weight, housing, described housing comprises induction cavity, annular seal space, the opening of induction cavity is with cover plate cap seal, in annular seal space, circuit board is set, described piezoelectric effect sensing chip is arranged in induction cavity, it is characterized in that: described induction cavity sidewall arranges wire via hole, connect wire through described wire via hole, by described piezoelectric effect sensing chip and circuit board electrical connection, described circuit board is provided with thermosensitive device port and signal output port, the described electric signal of board receiver piezoelectric effect sensing chip and/or the electric signal of external thermosensitive device, by described signal output port outputting communication signal to master control borad.
2. vibration transducer according to claim 1, is characterized in that: described circuit board is potted in annular seal space with insulating material.
3. vibration transducer according to claim 1, is characterized in that: be provided with the ballast chamber for holding described saddle weight inside described cover plate.
4. vibration transducer according to claim 1, is characterized in that: the center of described saddle weight arranges arc salient point, and described arc salient point contacts with piezoelectric effect sensing chip.
5. vibration transducer according to claim 1, is characterized in that: described vibration transducer is arranged on the ceramic wafer bottom surface of electromagnetic tea stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440494.5U CN204988499U (en) | 2015-06-25 | 2015-06-25 | Vibration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440494.5U CN204988499U (en) | 2015-06-25 | 2015-06-25 | Vibration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988499U true CN204988499U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520440494.5U Active CN204988499U (en) | 2015-06-25 | 2015-06-25 | Vibration sensor |
Country Status (1)
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| CN (1) | CN204988499U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651375A (en) * | 2016-03-31 | 2016-06-08 | 德清县德意电脑有限公司 | Extremely low frequency micro-vibration signal sensor |
| CN110023731A (en) * | 2016-12-01 | 2019-07-16 | 法国大陆汽车公司 | Detonation sensor with the lower flange for being provided with attachment hole |
| CN110133051A (en) * | 2019-04-15 | 2019-08-16 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of Multifunctional resistance rate grinding coagulation soil pressure pouring weight |
-
2015
- 2015-06-25 CN CN201520440494.5U patent/CN204988499U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651375A (en) * | 2016-03-31 | 2016-06-08 | 德清县德意电脑有限公司 | Extremely low frequency micro-vibration signal sensor |
| CN110023731A (en) * | 2016-12-01 | 2019-07-16 | 法国大陆汽车公司 | Detonation sensor with the lower flange for being provided with attachment hole |
| CN110133051A (en) * | 2019-04-15 | 2019-08-16 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of Multifunctional resistance rate grinding coagulation soil pressure pouring weight |
| CN110133051B (en) * | 2019-04-15 | 2024-02-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Multifunctional resistivity roller compacted concrete weight block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 528000, Guangdong District, Foshan City, Ronggui province Shunde Li Chang Bao West Road, No. 33, Tian Fu International Industrial City third, 14, 501 and 502 plant Patentee after: GUANGDONG HIGHWAY ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 528300, Guangdong District, Foshan City, Ronggui province Shunde Li Chang Bao West Road, No. 33, Tian Fu International Industrial City third, 14, 501 and 502 plant Patentee before: FOSHAN SHUNDE HIGHWAY ELECTRONIC CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191030 Address after: Room 215, 2f, office building 7, Jianfeng Road, Ronggui Rongli neighborhood committee, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Haiyi Electronic Technology Co.,Ltd. Address before: 528000, Guangdong District, Foshan City, Ronggui province Shunde Li Chang Bao West Road, No. 33, Tian Fu International Industrial City third, 14, 501 and 502 plant Patentee before: GUANGDONG HIGHWAY ELECTRONIC TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211115 Address after: 528000 Foshan, Shunde, Guangdong, Ronggui, Ronggui, Rong Li Chang Po Road 33, Tianfu Lai international industrial city third phase 14 14, 501, 502 workshop Patentee after: GUANGDONG HIGHWAY ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 528000 Room 215, 2nd floor, office building, No.7 Jianfeng Road, Ronggui Rongli neighborhood committee, Shunde District, Foshan City, Guangdong Province Patentee before: Foshan Haiyi Electronic Technology Co.,Ltd. |