CN203231858U - Pressure cooker sensing component and pressure cooker with same - Google Patents

Abstract

The utility model discloses a pressure cooker sensing component and a pressure cooker with same. The pressure cooker sensing component comprises a casing body. A gas passage is formed in the casing body and a gas inlet is formed on the casing body. A mounting groove which is connected with the gas passage is formed in the casing body. The pressure cooker sensing component further comprises a pressure sensor which is mounted in the mounting groove, a circuit board which is connected with the pressure sensor and is located above the pressure sensor, and a waterproof layer which is arranged in the mounting groove in a sealing manner and is located below the pressure sensor, wherein a connector is arranged on the upper surface of the circuit board. According to the pressure cooker sensing component provided by the utility model, pressure determination can be carried out on cooking utensils; the waterproof layer is arranged, which effectively prevents the pressure sensor from the influence of water vapor; and the pressure cooker sensing component has the advantages of simple structure and good reliability.

Description

Pressure cooker sensory package and the pressure cooker with it

Technical field

The utility model relates to the household electrical appliance preparing technical field, more specifically, relates to a kind of pressure cooker sensory package and the pressure cooker with it.

Background technology

Pressure transducer is widely used on the various commercial units, but the pressure transducer range on commercial unit is big, and pressure transducer has mainly been used in the consumer electronics industry, GPS equipment, submersion watch, vehicle tire pressure detection etc.GPS instrument and submersion watch utilize pressure transducer to detect external environment condition pressure and change the realization height detection in order to test its device geographic position of living in height.The pressure that application in the vehicle tire pressure sensor then mainly directly detects in the doughnut by pressure transducer changes, thereby reaches the purpose of monitoring tire pressure of automobile tire.

Wherein, the pressure transducer that uses during vehicle tire pressure detects, the closed gas in the direct tire of pressure transducer test owing to there is not high humility steam, so semiconductor devices can directly contact with measurand, does not need to do in addition the structural defence circuit.In the underwater watch because the relation of environment for use need be carried out waterproof construction, but the temperature of tested object at normal temperature, and the tested object of culinary art series products is hot and humid object, can not directly use the sensing technology on the underwater watch.

But the measurement gas on the cooking apparatus is hot and humid gas (high-temperature vapor), and therefore, existing these pressure transducers all are not suitable on the cooking apparatus.

The utility model content

The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.

For this reason, a purpose of the present utility model is to propose a kind of pressure cooker sensory package of high-temp resisting high-humidity resisting environment.

Another purpose of the present utility model is to propose a kind of pressure cooker with the described pressure cooker sensory package of above-described embodiment.

Pressure cooker sensory package according to the utility model embodiment, comprise: housing, be formed with in the described housing on gas passage and the described housing and be formed with air admission hole, being formed with mounting groove and described mounting groove in the described housing is communicated with described gas passage, wherein, described air admission hole is located on the sidewall of described housing; Pressure transducer, described pressure transducer are installed in the described mounting groove; Circuit board, described circuit board link to each other with described pressure transducer and are positioned at described pressure transducer top, and the upper surface of described circuit board is provided with connector; And water barrier, described water barrier is located in the described mounting groove hermetically and is positioned at described pressure transducer below.

According to pressure cooker sensory package of the present utility model, can realize the purpose to the cooking apparatus piezometry, water barrier is set can prevents effectively that pressure transducer is subjected to influence of moisture, simple in structure, good reliability; Air admission hole is located at the anti-blocking problem that can effectively solve air admission hole on the sidewall of housing, avoids causing pressure measurement inaccurate because air admission hole stops up; In addition, air admission hole is located on the sidewall of housing, even the air admission hole latch up phenomenon occurs, when the user clears up voluntarily, also can avoid cleaning tool directly to stretch in the housing and pressure transducer is damaged, and has guaranteed the safety in utilization of pressure cooker sensory package.

In addition, according to the pressure cooker sensory package of the utility model above-described embodiment, can also have following additional technical characterictic:

According to an embodiment of the present utility model, described pressure transducer is fixedlyed connected with the lower surface of described circuit board, and described circuit board is located at the top of described mounting groove.

Alternatively, be provided with the epoxy resin plastic packaging around the described connector.

Further, extend upward the fixation wall of annular on the described housing from the top of described mounting groove, wherein said circuit board only is against the inwall bottom of described fixation wall, and plastic packaging has described epoxy resin between the inwall of described connector and described fixation wall.

According to an embodiment of the present utility model, described pressure transducer and described circuit board are weldingly connected and are integral.

Alternatively, described water barrier is silica gel thin film.

Further, be filled with insulativity liquid between described pressure transducer and the described water barrier.

According to an embodiment of the present utility model, described air admission hole is located at the end, lower end of described housing.

Pressure cooker according to the utility model embodiment comprises: pot body and lid, be provided with the pressure cooker sensory package in the described lid, and described pressure cooker sensory package is according to the pressure cooker sensory package described in above-described embodiment.

Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.

Description of drawings

Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:

Fig. 1 is the decomposing schematic representation according to the pressure cooker sensory package of the utility model embodiment;

Fig. 2 is the diagrammatic cross-section according to the pressure cooker sensory package of the utility model embodiment;

Reference numeral:

10: housing; 11: gas passage; 12: air admission hole; 13: mounting groove; 14: fixation wall;

20: pressure transducer;

30: circuit board; 31: connector; 32: epoxy resin;

40: water barrier.

Embodiment

Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

In description of the present utility model, it will be appreciated that, term " on ", close the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.

In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand the concrete implication of above-mentioned term in the utility model as the case may be.

In the utility model, unless clear and definite regulation and restriction are arranged in addition, first feature second feature it " on " or D score can comprise that first and second features directly contact, can comprise that also first and second features are not directly contacts but by the contact of the additional features between them.And, first feature second feature " on ", " top " and " above " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is higher than second feature.First feature second feature " under ", " below " and " below " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is less than second feature.

Specifically describe the pressure cooker sensory package according to the utility model first aspect embodiment below at first by reference to the accompanying drawings.

As depicted in figs. 1 and 2, the pressure cooker sensory package according to the utility model first aspect embodiment comprises:housing 10,pressure transducer 20,circuit board 30 andwater barrier 40.

Particularly, be formed with in thehousing 10 ongas passage 11 and thehousing 10 and be formed withair admission hole 12,air admission hole 12 is communicated withgas passage 11, is formed withmounting groove 13 and mountinggroove 13 in thehousing 10 and is communicated withgas passage 11, wherein,air admission hole 12 is located on the sidewall ofhousing 10.

Pressure transducer 20 is installed in themounting groove 13, andcircuit board 30 links to each other withpressure transducer 20 and is positioned atpressure transducer 20 tops, and the upper surface ofcircuit board 30 is provided withconnector 31, andconnector 31 links to each other with governorcircuit.Water barrier 40 is located in themounting groove 13 hermetically and is positioned atpressure transducer 20 belows so thatpressure transducer 20 is isolated withgas passage 11, avoids the operate as normal of the influence ofmoisture pressure transducer 20 in thegas passage 11.

Thus, pressure cooker sensory package according to the utility model embodiment, can realize the purpose to the cooking apparatus piezometry,water barrier 40 is set prevents effectively thatpressure transducer 20 is subjected to influence of moisture, simple in structure, good reliability, andair admission hole 12 is located at the anti-blocking problem that can effectively solveair admission hole 12 on the sidewall ofhousing 10, avoids causing pressure measurement inaccurate becauseair admission hole 12 stops up; In addition,air admission hole 12 is located on the sidewall ofhousing 10, evenair admission hole 12 latch up phenomenons occur, when the user clears up voluntarily, also can avoid cleaning tool directly to stretch in thehousing 10 andpressure transducer 20 is damaged, guarantee the safety in utilization of pressure cooker sensory package.。

According to an embodiment of the present utility model,pressure transducer 20 is fixedlyed connected with the lower surface ofcircuit board 30, andcircuit board 30 is located at the top of mounting groove 13.Alternatively,pressure transducer 20 is weldingly connected withcircuit board 30 and is integral.

In order to guarantee the circuit safety ofcircuit board 30, according to an embodiment of the present utility model, be provided withepoxy resin 32 plastic packagings around the connector 31.Particularly, extend upward thefixation wall 14 of annular on thehousing 10 from the top ofmounting groove 13, whereincircuit board 30 only is against the inwall bottom offixation wall 14, and plastic packaging hasepoxy resin 32 between the inwall ofconnector 31 and fixation wall 14.Thus; by plasticpackaging epoxy resin 32 aroundconnector 31; not only can protect the effect of playing holding circuit; andcircuit board 30 only is against the inwall bottom offixation wall 14; be thatcircuit board 30 is with the top seal ofmounting groove 13; make the pressure in the pressure transducer 20perception circuit boards 30 below cavitys, guarantee the reliability thatsensor 20 uses.

It will be appreciated that do not have particular restriction about the selection ofwater barrier 40, as long as play the steam that prevent in thegas passage 11pressure transducer 20 is impacted and guarantee that gas can pass through water barrier 40.Alternatively, according to an embodiment of the present utility model,water barrier 40 is silica gel thin film.Particularly, the pressure cooker sensory package when mounted, can will be welded on the lower surface ofcircuit board 30 after pressure transducer 20 encapsulation earlier, then be fixed in themounting groove 13 ofhousing 10 behind the silica gel thin film point glue with waterproof, thencircuit board 30 be equipped with the top that is fixed onmounting groove 13 behind the millet cake glue of pressure transducer 20.At last with mountedconnector 31 on the other one side ofcircuit board 30, fillingepoxy resin 32 and by plastic packaging around theconnector 31 is finished assembling.

Normally, has only air in the confined space that forms betweenpressure transducer 20 and thewater barrier 40, so that pressure transducer 20 andwater barrier 40 insulation.Preferably, according to an embodiment of the present utility model, be filled with insulativity liquid betweenpressure transducer 20 and the water barrier 40.This insulativity liquid can be oil or other insulating material.Thus, can further guarantee the reliability ofpressure transducer 20.

According to an embodiment of the present utility model,air admission hole 12 is located at the end, lower end of housing 10.Thus, can further guarantee the blocking-proof result ofair admission hole 12, avoid the problem that causes pressure measurement to be forbidden becauseair admission hole 12 stops up.

According to the pressure cooker of the utility model second aspect embodiment, comprise pot body and lid, be provided with the pressure cooker sensory package in the lid, this pressure cooker sensory package is according to the pressure cooker sensory package described in above-described embodiment.Owing to have above-mentioned technique effect according to the pressure cooker sensory package of the utility model above-described embodiment, therefore, also has corresponding technique effect according to the pressure cooker of the utility model embodiment.

In the description of this instructions, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.

Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art in scope of the present utility model, can change above-described embodiment under the situation that does not break away from principle of the present utility model and aim, modification, replacement and modification.

Claims (9)

1. a pressure cooker sensory package is characterized in that, comprising:

Housing is formed with in the described housing on gas passage and the described housing and is formed with air admission hole, is formed with mounting groove and described mounting groove in the described housing and is communicated with described gas passage, and wherein, described air admission hole is located on the sidewall of described housing;

Pressure transducer, described pressure transducer are installed in the described mounting groove;

Circuit board, described circuit board link to each other with described pressure transducer and are positioned at described pressure transducer top, and the upper surface of described circuit board is provided with connector; With

Water barrier, described water barrier are located in the described mounting groove hermetically and are positioned at described pressure transducer below.

2. pressure cooker sensory package according to claim 1 is characterized in that, described pressure transducer is fixedlyed connected with the lower surface of described circuit board, and described circuit board is located at the top of described mounting groove.

3. pressure cooker sensory package according to claim 2 is characterized in that, is provided with the epoxy resin plastic packaging around the described connector.

4. pressure cooker sensory package according to claim 3, it is characterized in that, extend upward the fixation wall of annular on the described housing from the top of described mounting groove, wherein said circuit board only is against the inwall bottom of described fixation wall, and plastic packaging has described epoxy resin between the inwall of described connector and described fixation wall.

5. pressure cooker sensory package according to claim 2 is characterized in that, described pressure transducer and described circuit board are weldingly connected and are integral.

6. according to each described pressure cooker sensory package among the claim 1-5, it is characterized in that described water barrier is silica gel thin film.

7. pressure cooker sensory package according to claim 6 is characterized in that, is filled with insulativity liquid between described pressure transducer and the described water barrier.

8. pressure cooker sensory package according to claim 7 is characterized in that, described air admission hole is located at the end, lower end of described housing.

9. a pressure cooker is characterized in that, comprising: pot body and lid, be provided with the pressure cooker sensory package in the described lid, and described pressure cooker sensory package is according to each described pressure cooker sensory package among the claim 1-8.

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