CN104515641B - Pressure sensor and pressure cooking appliance for pressure cooking appliance - Google Patents
Pressure sensor and pressure cooking appliance for pressure cooking appliance Download PDFInfo
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- CN104515641B CN104515641B CN201310451125.1A CN201310451125A CN104515641B CN 104515641 B CN104515641 B CN 104515641B CN 201310451125 A CN201310451125 A CN 201310451125A CN 104515641 B CN104515641 B CN 104515641B
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- pressure
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- pressure cooking
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Abstract
The invention discloses a kind of pressure sensor and pressure cooking appliance for pressure cooking appliance, pressure sensor includes: shell, and one end of shell is configured with the cavity of opening, and the other end has the inlet channel being connected to cavity；Described one end of sealing cover, sealing cover and shell connects, with sealed opening；Positioning component, positioning component is located at cavity and inlet channel junction, and is hermetically connected with the shell, and positioning component includes the sense channel for being connected to cavity and inlet channel；And pressure detecting assembly, pressure detecting assembly are located on positioning component, and the connection in disconnection detection channel, and the pressure sensor chip of pressure detecting assembly is located in sense channel.Pressure sensor according to the present invention for pressure cooking appliance, the working range of pressure sensor is wider, and pressure cooking appliance can be made to have higher pressure detecting precision.
Description
Technical field
The present invention relates to kitchen utensils technical fields, pass in particular to a kind of pressure for pressure cooking appliance
Sensor and pressure cooking appliance.
Background technique
After the survey pressure of existing pressure cooking appliance mainly passes through measurement kettle temperature, further according to pair of temperature and pressure
It should be related to, conversion measurement pressure, the pressure value inaccuracy in the pot of such measurement method measurement, and there is certain lag
Property.Also, the operating ambient temperature of pressure cooking appliance is humid tropical condition, and common pressure sensor cannot be used in it
On.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A bright purpose is to propose that a kind of pressure sensor for pressure cooking appliance, the pressure sensor can be surveyed accurately
Pressure, and it is adapted to the working environment of the high temperature of pressure cooking appliance, high humidity.Further, another object of the present invention exists
In proposing a kind of pressure cooking appliance with above-mentioned pressure sensor.
According to an aspect of the present invention, a kind of pressure sensor for pressure cooking appliance is provided, comprising: shell,
One end of the shell is configured with the cavity of opening, and the other end has the inlet channel being connected to the cavity；Sealing cover,
The sealing cover is connect with described one end of the shell, to seal the opening；Positioning component, the positioning component are located at institute
Cavity and the inlet channel junction are stated, and is connect with the housing seal, the positioning component includes being connected to the cavity
With the sense channel of the inlet channel；And pressure detecting assembly, the pressure detecting assembly are located on the positioning component,
And separate the sense channel, and the pressure sensor chip of the pressure detecting assembly is located in the sense channel.
The pressure sensor for pressure cooking appliance of embodiment according to the present invention, only pressure sensor chip are set
In sense channel, the other parts of pressure detecting assembly are sealed in cavity, can pass through pressure sensor chip as a result,
The pot nside pressure for detecting cooking apparatus, in turn avoid the other parts of pressure sensor assembly directly in high temperature, height
It works under wet environment, so that the working range of pressure sensor is wider, meanwhile, improve the pressure detecting of pressure cooking appliance
Precision.
According to one embodiment of present invention, the pressure detecting assembly includes: circuit board assemblies, the circuit board and institute
One end connection of pressure sensor chip is stated, the other end of the pressure sensor chip closes the sense channel.
According to one embodiment of present invention, pressure sensor further comprises: first annular sealing element, first ring
Shape sealing element is located between the shell and the sealing cover.
According to one embodiment of present invention, the shell is threadedly coupled with the sealing cover.
According to one embodiment of present invention, the shell and the sealing cover are clamped.
According to one embodiment of present invention, the periphery of the sealing cover be equipped with multiple protrusions, described the one of the shell
The end face at end is equipped with and the matched clamping groove of protrusion.
It according to one embodiment of present invention, further comprise the conducting wire being connect with the circuit board assemblies, the conducting wire
Across the sealing cover, sealing element is equipped at the position that the conducting wire passes through the sealing cover.
According to one embodiment of present invention, the positioning component includes: supporting element, and the sense channel is described in perforation
The first end of the through-hole of the first end and second end of supporting element, the supporting element is connect with the housing seal；Fixing piece,
The second end of the fixing piece and the supporting element is tightly connected；Second lip ring, second lip ring are located at
Between the second end of the supporting element and the fixing piece, wherein the pressure sensor chip be located at the fixing piece with it is described
Between supporting element, so that the test side of the pressure sensor chip is located in the sense channel.
According to one embodiment of present invention, the surface of the pressure sensor chip is equipped with layer of silica gel.
According to one embodiment of present invention, third ring packing is equipped between the bottom end of the supporting element and the shell
Part.
According to one embodiment of present invention, third ring packing is equipped between the side wall of the supporting element and the shell
Part.
According to the second aspect of the invention, a kind of pressure cooking appliance is provided, including above-mentioned pressure sensor.
The pressure cooking appliance of embodiment according to the present invention, pressure sensor only have pressure sensor chip to be located at inspection
Channel is surveyed, the other parts of pressure detecting assembly are sealed in cavity, can pass through the detection of pressure sensor chip as a result,
To the pot nside pressure of cooking apparatus, the other parts of pressure sensor assembly are in turn avoided directly in high temperature, the ring of high humidity
It works under border, so that the working range of pressure sensor is wider, meanwhile, improve the pressure detecting precision of pressure cooking appliance.
According to one embodiment of present invention, the pressure cooking appliance is electric pressure cooking saucepan.
Detailed description of the invention
Fig. 1 is that the stereochemical structure of the pressure sensor according to an embodiment of the invention for pressure cooking appliance is shown
It is intended to；
Fig. 2 is the section view signal of the pressure sensor according to an embodiment of the invention for pressure cooking appliance
Figure；
Fig. 3 is the section view signal of the pressure sensor according to an embodiment of the invention for pressure cooking appliance
Figure；
Fig. 4 is the stereochemical structure of the pressure sensor for pressure cooking appliance according to another embodiment of the invention
Schematic diagram；
Fig. 5 is the section view signal of the pressure sensor for pressure cooking appliance according to another embodiment of the invention
Figure；
Fig. 6 is the section view signal of the pressure sensor for pressure cooking appliance according to another embodiment of the invention
Figure.
Appended drawing reference:
Shell 10；Sealing cover 20；Cavity 101；Inlet channel 102；Circuit board assemblies 31；Pressure sensor chip 32；Inspection
Survey channel 330；Conducting wire 311；Protrusion 21；Clamping groove 11；Sealing element 50；Supporting element 331；Fixing piece 332；First annular sealing element
41；Second lip ring 42；Layer of silica gel 60；Third lip ring 43；
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
As shown in figures 1 to 6, the pressure sensor for pressure cooking appliance of embodiment according to the present invention, comprising: shell
Body 10, sealing cover 20 and pressure detecting assembly.
Specifically, one end of shell 10 is configured with the cavity 101 of opening, the other end has to be connected to cavity 101
Inlet channel 102, inlet channel 102 can be connected to the inside of the pot body of pressure cooking appliance, so as to pass through pressure and examine
Component is surveyed to detect the pressure inside pressure cooking appliance pot body (not shown).One end of sealing cover 20 and shell 10 connects
It connects, with sealed opening, so that cavity 101 other than being connected with inlet channel 102, is configured to the space of an opposing seal.
Positioning component is located at the junction of cavity 101 Yu inlet channel 102, and the inner wall with shell 10(shell) sealing company
It connects, positioning component may include the sense channel 330 for being connected to cavity 101 and inlet channel 102.Pressure detecting assembly can be located at
On positioning component, and separate sense channel 330, that is, after pressure detecting assembly is located on positioning component, sense channel can be closed
330, to disconnect the connection of cavity 101 Yu inlet channel 102, and the pressure sensor chip 32 of pressure detecting assembly can be located at
In sense channel 330, to realize to the pressure detecting in pressure cooking appliance.
The pressure sensor for pressure cooking appliance of embodiment according to the present invention, only pressure sensor chip 32
It is located in sense channel 330, the other parts of pressure detecting assembly are sealed in cavity 101, can be passed as a result, by pressure
The pot nside pressure for detecting cooking apparatus of sensor chip 32, the other parts in turn avoiding pressure sensor assembly are direct
It works under the environment of high temperature and humidity, so that the working range of pressure sensor is wider, meanwhile, improve pressure cooking appliance
Pressure detecting precision.
As shown in Figure 1, according to one embodiment of present invention, pressure detecting assembly may include circuit board assemblies 31, electricity
Road plate 31 can be connect with one end of pressure sensor chip 32, and the other end of pressure sensor chip 32 closes sense channel
330.Thus, it is possible to realize the partition by pressure sensor chip 32 to sense channel, passing through pressure sensor chip 32
While detecting the pressure in sense channel 330, avoids pressure cooking appliance pot nside and be directly connected to cavity 101.
As shown in Fig. 2-3, Fig. 5-6, according to one embodiment of present invention, the pressure sensor for pressure cooking appliance
May further include: first annular sealing element 41, first annular sealing element 41 can be located between shell 10 and sealing cover 20.
Thus, it is possible to realize the sealing between shell 10 and sealing cover 20.
As shown in Fig. 2, Fig. 5, according to one embodiment of present invention, shell 10 can be threadedly coupled with sealing cover 20.By
This, can be convenient the connection of shell 10 Yu sealing cover 20.It is understood that the connection relationship of shell 10 and sealing cover 20 is not
It is limited to this, for example, according to one embodiment of present invention, shell 10 can be clamped with sealing cover 20, thus, it is possible to make shell 10
Dismounting between sealing cover 20 is more convenient.According to one embodiment of present invention, the periphery of sealing cover 20 can be equipped with more
A raised 21, the end face of one end of shell 10 is equipped with and raised 21 matched clamping grooves 11.As shown in figure 4, sealing cover 20 can
Rotated with opposite shell 10, with protrusion 21 rotate to clamping groove 11 be clamped position at when, realize shell 10 with it is close
Sealed connection between capping 20.
As shown in Fig. 2-3, Fig. 5-6, according to one embodiment of present invention, the pressure sensor for pressure cooking appliance
It may further include the conducting wire 311 connecting with circuit board assemblies 31, conducting wire 311 can pass through sealing cover 20, wear in conducting wire 311
It crosses and is equipped with sealing element 50 at the position of sealing cover 20.Thus, it is possible to further increase the sealing effect to pressure sensor.
As shown in Fig. 2-3, Fig. 5-6, according to one embodiment of present invention, positioning component may include: supporting element 331,
Fixing piece 332 and the second lip ring 42.
Specifically, sense channel 330 is the through-hole for penetrating through the first end and second end of supporting element 331, supporting element 331
First end and shell 10 are tightly connected, and supporting element 331 is fixed on the housing 10.Fixing piece 332 can be with supporting element 331
Second end is tightly connected.Second lip ring 42 is located between the second end of supporting element 331 and fixing piece 332, wherein pressure
Sensor chip 32 is located between fixing piece 332 and supporting element 331, so that the test side of pressure sensor chip 32 is located at detection
In channel 330.Thus, it is possible to be convenient for the setting of pressure sensor chip 32, and it can guarantee that the power except pressure sensor senses
Component other than device chip 32 is under preferable working environment.In order to improve the sealing and detection effect of pressure sensor, root
According to one embodiment of the present of invention, the surface of pressure sensor chip 32 can be equipped with layer of silica gel 60.
As shown in Fig. 3, Fig. 6, according to one embodiment of present invention, it is equipped between the bottom end and shell 10 of supporting element 331
Third lip ring 43.Thus, it is possible to realize the sealing between supporting element 331 and shell 10.It is understood that third ring
The position of shape sealing element 43 is not limited to this, for example, as shown in Fig. 2, Fig. 5, according to one embodiment of present invention, supporting element
It is equipped with third lip ring 43 between 331 side wall and shell 10, also may be implemented close between shell 10 and supporting element 331
Envelope.
The pressure cooking appliance of embodiment according to the present invention, including pressure sensing according to the above embodiment of the present invention
Device.
The pressure cooking appliance of embodiment according to the present invention, only pressure sensor chip 32 is located in pressure sensor
In sense channel 330, the other parts of pressure detecting assembly are sealed in cavity 101, can pass through pressure sensor as a result,
The pot nside pressure for detecting cooking apparatus of chip 32 in turn avoids the other parts of pressure sensor assembly directly in height
It works in the environment of temperature, high humidity, so that the working range of pressure sensor is wider, meanwhile, improve the pressure of pressure cooking appliance
Power detection accuracy.
According to one embodiment of present invention, pressure cooking appliance can be electric pressure cooking saucepan.The pressure cooking being understood that
Utensil is not limited to electric pressure cooking saucepan, or other pressure cooking appliances.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
1. a kind of pressure sensor for pressure cooking appliance characterized by comprising
Shell, one end of the shell are configured with the cavity of opening, and the other end has the air inlet being connected to the cavity logical
Road；
Sealing cover, the sealing cover are connect with described one end of the shell, to seal the opening；
Positioning component, the positioning component is located at the cavity and the inlet channel junction, and connects with the housing seal
It connects, the positioning component includes the sense channel for being connected to the cavity and the inlet channel；And
Pressure detecting assembly, the pressure detecting assembly are located on the positioning component, and separate the sense channel, and described
The pressure sensor chip of pressure detecting assembly is located in the sense channel, and the surface of the pressure sensor chip is equipped with silicon
Glue-line, the layer of silica gel are attached at the pressure sensor；
Wherein, the positioning component includes:
Supporting element, the sense channel are the through-hole for penetrating through the first end and second end of the supporting element, the institute of the supporting element
First end is stated to connect with the housing seal；
The second end of fixing piece, the fixing piece and the supporting element is tightly connected；
Second lip ring, second lip ring are located between the second end of the supporting element and the fixing piece,
The pressure sensor chip is located between the fixing piece and the supporting element, so that the detection of the pressure sensor chip
End is located in the sense channel.
2. the pressure sensor according to claim 1 for pressure cooking appliance, which is characterized in that the pressure detecting
Component includes: circuit board assemblies, and the circuit board is connect with one end of the pressure sensor chip, the pressure sensor core
The other end of piece closes the sense channel.
3. the pressure sensor according to claim 1 for pressure cooking appliance, which is characterized in that further comprise:
First annular sealing element, the first annular sealing element are located between the shell and the sealing cover.
4. the pressure sensor according to claim 1 for pressure cooking appliance, which is characterized in that the shell and institute
State sealing cover threaded connection.
5. the pressure sensor according to claim 1 for pressure cooking appliance, which is characterized in that the shell and institute
State sealing cover clamping.
6. the pressure sensor according to claim 5 for pressure cooking appliance, which is characterized in that the sealing cover
Periphery is equipped with multiple protrusions, and the end face of described one end of the shell is equipped with and the matched clamping groove of protrusion.
7. the pressure sensor according to claim 2 for pressure cooking appliance, which is characterized in that further comprise with
The conducting wire of the circuit board assemblies connection, the conducting wire pass through the sealing cover, pass through the position of the sealing cover in the conducting wire
It sets place and is equipped with sealing element.
8. the pressure sensor according to claim 1 for pressure cooking appliance, which is characterized in that the supporting element
Third lip ring is equipped between bottom end and the shell.
9. the pressure sensor according to claim 1 for pressure cooking appliance, which is characterized in that the supporting element
Third lip ring is equipped between side wall and the shell.
10. a kind of pressure cooking appliance, which is characterized in that including pressure sensing according to claim 1 to 9
Device.
11. pressure cooking appliance according to claim 10, which is characterized in that the pressure cooking appliance is Voltage force
Pot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451125.1A CN104515641B (en) | 2013-09-27 | 2013-09-27 | Pressure sensor and pressure cooking appliance for pressure cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451125.1A CN104515641B (en) | 2013-09-27 | 2013-09-27 | Pressure sensor and pressure cooking appliance for pressure cooking appliance |
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| Publication Number | Publication Date |
|---|---|
| CN104515641A CN104515641A (en) | 2015-04-15 |
| CN104515641B true CN104515641B (en) | 2019-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310451125.1A Active CN104515641B (en) | 2013-09-27 | 2013-09-27 | Pressure sensor and pressure cooking appliance for pressure cooking appliance |
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| Country | Link |
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| CN (1) | CN104515641B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344536A (en) * | 2017-01-24 | 2018-07-31 | 浙江苏泊尔家电制造有限公司 | Pressure sensor and cooking apparatus for cooking apparatus |
| JP6832525B2 (en) * | 2017-01-27 | 2021-02-24 | パナソニックＩｐマネジメント株式会社 | Pressure cooker and pressure sensor unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033147U (en) * | 2011-03-29 | 2011-11-09 | 中国船舶重工集团公司第七一五研究所 | Pressure detection module of electric pressure cooker based on MEMS (Micro Electro Mechanical System) technology |
| CN202035997U (en) * | 2011-01-26 | 2011-11-16 | 美的集团有限公司 | Pressure detection device of electric pressure cooker |
| CN102519654A (en) * | 2011-12-02 | 2012-06-27 | 美的集团有限公司 | Pressure detection device and electric pressure cooker adopting same |
| CN203100964U (en) * | 2013-01-24 | 2013-07-31 | 美的集团股份有限公司 | Pressure sensing device and pressure cooker having same |
| CN203616045U (en) * | 2013-09-27 | 2014-05-28 | 美的集团股份有限公司 | Pressure transducer for pressure cooker and pressure cooker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002071491A (en) * | 2000-08-25 | 2002-03-08 | Denso Corp | Pressure sensor |
-
2013
- 2013-09-27 CN CN201310451125.1A patent/CN104515641B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202035997U (en) * | 2011-01-26 | 2011-11-16 | 美的集团有限公司 | Pressure detection device of electric pressure cooker |
| CN202033147U (en) * | 2011-03-29 | 2011-11-09 | 中国船舶重工集团公司第七一五研究所 | Pressure detection module of electric pressure cooker based on MEMS (Micro Electro Mechanical System) technology |
| CN102519654A (en) * | 2011-12-02 | 2012-06-27 | 美的集团有限公司 | Pressure detection device and electric pressure cooker adopting same |
| CN203100964U (en) * | 2013-01-24 | 2013-07-31 | 美的集团股份有限公司 | Pressure sensing device and pressure cooker having same |
| CN203616045U (en) * | 2013-09-27 | 2014-05-28 | 美的集团股份有限公司 | Pressure transducer for pressure cooker and pressure cooker |
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| Publication number | Publication date |
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| CN104515641A (en) | 2015-04-15 |
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