CN207456666U - Pressure-detecting device, kitchen appliance for kitchen appliance - Google Patents
Pressure-detecting device, kitchen appliance for kitchen appliance Download PDFInfo
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- CN207456666U CN207456666U CN201721452934.4U CN201721452934U CN207456666U CN 207456666 U CN207456666 U CN 207456666U CN 201721452934 U CN201721452934 U CN 201721452934U CN 207456666 U CN207456666 U CN 207456666U
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Abstract
The utility model discloses a kind of pressure-detecting device, kitchen appliance for kitchen appliance, pressure-detecting device includes：Housing, flexible sealing fin, magnetic part, induction pieces, spring, regulating part and detection unit, flexible sealing fin is located in housing the inner cavity of housing being separated into the first chamber connected with first through hole and the second chamber connected with the second through hole, flexible sealing fin is configured to the pressure change according to first chamber and second chamber and deforms upon, magnetic part is located in second chamber and is moved according to the deformation of flexible sealing fin, induction pieces are located in second chamber, spring is located in second chamber and one end is connected with flexible sealing fin, regulating part is located at openend and is threadedly coupled with housing, the other end of regulating part and spring connects, detection unit is connected with induction pieces.Pressure-detecting device according to the present utility model for kitchen appliance can not only shorten the correction time of pressure-detecting device, moreover it is possible to promote accuracy of detection.
Description
Technical field
The utility model is related to kitchen appliance technical fields, are examined more particularly, to a kind of pressure for kitchen appliance
Survey device, kitchen appliance.
Background technology
Pressure sensor in correlation technique is not fully enclosed, needs to carry out additional protection in producing line, after the completion of calibration
It encapsulates again, encapsulation stress can be introduced to pressure-detecting device, calibration process is more complicated, and the time of consumption is longer, and difficulty
It is larger, error is susceptible to, once pressure sensor calibration inaccuracy can also influence the normal work of product.
Utility model content
The utility model is intended at least solve one of technical problem in the prior art.
For this purpose, the utility model proposes a kind of pressure-detecting device for kitchen appliance, the pressure-detecting device
Calibration process is relatively simple, saves the time, and can reduce the detection error of pressure-detecting device.
The utility model also proposes a kind of kitchen appliance with above-mentioned pressure-detecting device.
According to the pressure-detecting device for kitchen appliance of the utility model first aspect, including：Housing, flexible sealing
Piece, magnetic part, induction pieces, spring, regulating part and detection unit, the housing are equipped with openend, and the housing has first to lead to
Hole and the second through hole, the flexible sealing fin is located in the housing is led to being separated into the inner cavity of the housing with described first
The first chamber of hole connection and the second chamber connected with second through hole, the flexible sealing fin are configured to according to
The pressure change of first chamber and the second chamber and deform upon, the magnetic part be located in the second chamber and with institute
It states flexible sealing fin connection to move with the deformation according to the flexible sealing fin, the induction pieces are located at the second chamber
Interior, for sensing the displacement of the magnetic part, the spring is located in the second chamber and one end and the flexible sealing fin
Connection compressed with the deformation according to the flexible sealing fin, the regulating part be located at the openend and with the housing
It is threadedly coupled, the regulating part is connected with the other end of the spring, and for adjusting the precompression of the spring, the detection is single
First to be connected with the induction pieces, the detection unit is used to obtain the first chamber according to the displacement information of the induction pieces
Pressure.
Pressure-detecting device according to the present utility model for kitchen appliance is adjusted by being set on pressure-detecting device
Part is saved, the precompression of spring is adjusted using regulating part, pressure-detecting device is calibrated so as to convenient, adherence pressure detection dress
The calibration accuracy put.The structure of the pressure-detecting device is simple, easy to operate, only needs disposable single-point calibration after assembling, no
Prover time can only be shortened, moreover it is possible to the accuracy of detection of adherence pressure detection device.
According to the pressure-detecting device of the utility model one embodiment, second through hole and the flexible sealing fin phase
To arranging and being located on the regulating part.
According to the pressure-detecting device of the utility model one embodiment, the regulating part is formed as screw.
According to the pressure-detecting device of the utility model one embodiment, the spring be connected to the magnetic part with it is described
Between regulating part.
Optionally, the pressure-detecting device further includes：Spring base, the spring base are fixed on the magnetic part backwards
One end of the flexible sealing fin, the spring are mounted on the spring base.
According to the pressure-detecting device of the utility model one embodiment, the spring and the magnetic part are arranged arrangement,
And the spring and the magnetic part are connected respectively with the flexible sealing fin.
Optionally, the magnetic part forms ring-type, and the magnetic part is set in the outside of the spring.
Further, the magnetic part forms column, and the spring is set in the outside of the magnetic part.
According to the pressure-detecting device of the utility model one embodiment, the pressure-detecting device further includes：Positioning seat,
The magnetic part is supported on the positioning seat.
According to the pressure-detecting device of the utility model one embodiment, the magnetic part is magnetic core, and the induction pieces are
The induction coil being set on the outside of the magnetic part.
Optionally, the housing includes：Lower housing, upper shell and annular support, the lower housing have described first
Through hole, the upper shell are connected with the lower housing and have second through hole, and the supporter is located in the upper shell
To limit to accommodate the accommodating chamber of the induction pieces, the regulating part and the upper shell and/or the supporter screw thread
Connection.
According to the pressure-detecting device of the utility model one embodiment, the screw thread on the regulating part is fine thread.
According to the kitchen appliance of the utility model second aspect, including being used for kitchen appliance according to above-described embodiment
Pressure-detecting device.
Optionally, the kitchen appliance is cooking apparatus, dish-washing machine.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become apparent and be readily appreciated that, wherein：
Fig. 1 is the structure diagram according to the pressure-detecting device of the utility model one embodiment；
Fig. 2 is the structure diagram according to the pressure-detecting device of the utility model another embodiment；
Fig. 3 is the structure diagram according to the pressure-detecting device of the utility model another embodiment；
Fig. 4 is the calibration map of pressure-detecting device；
Fig. 5 is the structure diagram according to the kitchen appliance of the utility model one embodiment；
Fig. 6 is the structure diagram according to the kitchen appliance of the utility model another embodiment；
Fig. 7 is the structure diagram according to the kitchen appliance of the utility model another embodiment；
Fig. 8 is the sectional view of the structure shown in Fig. 7.
Reference numeral：
100：Pressure-detecting device；
10：Housing；11：Lower housing；111：First through hole；112：First chamber；12：Upper shell；
121：Second through hole；122：Second chamber；13：Supporter；
20：Flexible sealing fin；21：Positioning seat；
30：Magnetic part；40：Induction pieces；50：Elastic component；51：Spring base；
60：Regulating part；
600：Cooking apparatus；61：Pot；611：Cooking cavity；62：Cover；
700：Dish-washing machine, 701：Washing cavities；71：Handle；72：Water tank, 721：Liner, 722：Detection hole.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that the utility model
Limitation.
In the description of the utility model, it is to be understood that term " " center ", " length ", " thickness ", " on ", " under ",
The orientation or position relationship of the instructions such as " top ", " bottom " " interior ", " outer ", " axial direction ", " radial direction ", " circumferential direction " are based on shown in the drawings
Orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.In addition, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more spy
Sign.In the description of the utility model, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Below with reference to Fig. 1-Fig. 3 descriptions according to the pressure-detecting device for kitchen appliance of the utility model embodiment
100。
As shown in Figure 1-Figure 3, wrapping for the pressure-detecting device 100 of kitchen appliance according to the utility model embodiment
It includes：Housing 10, flexible sealing fin 20, magnetic part 30, induction pieces 40, spring 50, regulating part 60 and detection unit (not shown).This
In it should be noted that " magnetic part 30 " is a kind of permeability magnetic material part, magnetic part 30 itself can be without magnetic, such as magnetic part 30
Ferrite.
Pressure chamber is limited in housing 10,111 and second through hole of first through hole on housing 10 with connection pressure chamber
121, flexible sealing fin 20 is located in pressure chamber and the sealing of the side wall surface of the outer peripheral edge of flexible sealing fin 20 and pressure chamber coordinates, and
Pressure chamber is divided into first chamber 112 and second chamber 122 (as shown in Figure 1, pressure chamber is located at 20 lower section of flexible sealing fin
Part is first chamber 112, and the part that pressure chamber is located at 20 top of flexible sealing fin is second chamber 122), first through hole 111
Connect the chamber of first chamber 112 and testing pressure, the second through hole 121 connection second chamber 122.
Flexible sealing fin 20 is configured to be deformed upon according to the pressure change of first chamber 112 and second chamber 122,
For example, when the pressure increase of first chamber 112 or the pressure of second chamber 122 reduce, at least one of flexible sealing fin 20
Divide and move up or generate upward deformation, when the pressure of first chamber 112 reduces or the pressure of second chamber 122 increases,
At least a portion of flexible sealing fin 20 moves down or generates downward deformation.
Wherein, magnetic part 30 is located in second chamber 122 and is connected with flexible sealing fin 20, when flexible sealing fin 20 occurs
During deformation, corresponding displacement occurs for magnetic part 30, for example, when 112 pressure of first chamber increases, magnetic part 30 moves up,
When the pressure of first chamber 112 reduces, magnetic part 30 moves down, and induction pieces 40 are located in second chamber 122 and magnetic part
30 cooperate, and induction pieces 40 with the magnetic field intensity of induced magnetism part 30 and can generate corresponding inductance value, when magnetic part 30 is sent out
When raw mobile, the position relationship between magnetic part 30 and induction pieces 40 changes, correspondingly, the magnetic field that induction pieces 40 sense
Intensity changes, and detection unit is connected with induction pieces 40, and the pressure of first chamber 112 is obtained according to induction pieces 40.
Further, housing 10 is equipped with openend, and openend is along the thickness direction of the wall of housing 10 through housing 10
Wall, regulating part 60 are movably plugged in openend, and the periphery wall of regulating part 60 and the internal face of openend pass through screw thread
Connection, the length that can be controlled to adjust part 60 by rotating regulating part 60 and stretch into openend, regulating part 60 stretch into the one of openend
End is extended in second chamber 122, and spring 50 is equipped between one end of regulating part 60 and flexible sealing fin 20, and spring 50 is located at
In second chamber 122 and in compressive state, when 112 pressure of first chamber reduces or 122 pressure of second chamber increases, spring
50 promotion flexible sealing fins 20 move to reduce the volume of first chamber 112, when the pressure increase of first chamber 112 or the second chamber
When 122 pressure of room reduces, flexible sealing fin 20 further compresses spring 50, by rotating regulating part 60, can increased or decrease
Regulating part 60 stretches into the length of second chamber 122, so as to adjust the precompression of spring 50.
As a result, according to the pressure-detecting device 100 for kitchen appliance of the utility model embodiment, by being examined in pressure
It surveys and regulating part 60 is set on device 100, the precompression of spring 50 is adjusted using regulating part 60, so as to convenient to pressure-detecting device
100 are calibrated, the calibration accuracy of adherence pressure detection device 100.The structure of the pressure-detecting device 100 is simple, operation side
Just, disposable single-point calibration after assembling is only needed, can not only shorten prover time, moreover it is possible to adherence pressure detection device 100
Accuracy of detection.
As shown in Figure 1, one embodiment according to the present utility model, the second through hole 121 is with flexible sealing fin 20 with respect to cloth
It puts and is located on regulating part 60, specifically, openend axially penetrates through housing 10, the position of openend along flexible sealing fin 20
Positioned opposite with flexible sealing fin 20, regulating part 60 is located in openend, and the second through hole 121 is located on regulating part 60 and along tune
The axis of part 60 is saved through regulating part 60, when adjusting the position of regulating part 60, the second through hole 121 always with second chamber 122
Connection.
Wherein, the second through hole 121 is located on regulating part 60, the work of perforate again again can be saved on the housing 10
Sequence can not only simplify the production technology of housing 10, simplify the structure design of housing 10, moreover it is possible to prevent perforate from excessively influencing housing
10 stability and intensity, moreover, compared with perforate on the housing 10, hole opening technology difficulty is relatively low on regulating part 60,
On the premise of ensureing that pressure-detecting device 100 works normally, the production cost of pressure-detecting device 100 is reduced.
In some instances, regulating part 60 is formed as screw, and regulating part 60 extends along the direction axially inwards of openend,
And the periphery wall of regulating part 60 is equipped with screw thread, the internal face of openend is equipped with to be revolved with 60 corresponding screw thread of regulating part, regulating part 60
Turn fastening on the housing 10.It is simple in structure using screw as regulating part 60, it is readily available, can also be filled according to pressure detecting
The requirement for putting 100 selects suitable model, and screw rotation installation process is convenient, can be the school of pressure-detecting device 100
Standard provides convenient.
As shown in Figure 1, in certain embodiments, spring 50 is connected between magnetic part 30 and regulating part 60, specifically
For, magnetic part 30 is connected to flexible sealing fin 20 towards on a side surface of second chamber 122, and magnetic part 30 is along flexible close
Mounting 20 it is axially extending, one end of magnetic part 30 connection flexible sealing fin 20, the other end only supports contact spring 50, and magnetic part
30th, the central axis of spring 50 and regulating part 60 is on same straight line.
Spring 50 is located between magnetic part 30 and regulating part 60, the elastic force of spring 50 is acted directly on magnetic part 30,
It prevents the movement of magnetic part 30 from postponing due to the deformation delay of flexible sealing fin 20, senses it is possible thereby to promote induction pieces 40
The sensitivity of 30 position of magnetic part, and then improve accuracy of detection and the sensitivity of pressure-detecting device 100.
As shown in Figure 1, optionally, pressure-detecting device 100 further includes spring base 51, spring base 51 is fixed on magnetic part 30
Backwards to flexible sealing fin 20 one end, spring 50 be mounted on spring base 51 on, in other words, between spring 50 and magnetic part 30
Equipped with spring base 51, spring base 51 is fixed on magnetic part 30, and one end that spring 50 connects magnetic part 30 is supported on spring base 51
On, spring base 51 can be equipped with connecting pole towards one end of spring 50, and spring 50 is set on connecting pole, if magnetic part 30 is pipe
Shape structure, spring base 51 can be partly plugged in magnetic part 30, and then spring 50 is only abutted and touched on spring base 51, if magnetic
Part 30 is column structure, and spring base 51 can be set on magnetic part 30.
Can be not only the company of spring 50 and magnetic part 30 by setting spring base 51 between spring 50 and magnetic part 30
It is convenient to connect offer, and the connective stability of magnetic part 30 and spring 50 can be promoted, prevents end face and the magnetic part of spring 50
Occur to start relatively during 30 end contact, cause pressure-detecting device 100 that can not work normally, and can prevent spring 50
It is plugged in magnetic part 30 or magnetic part 30 is plugged in spring 50, cause what can not be coordinated between spring 50 and magnetic part 30
It happens.
As shown in Figures 2 and 3, one embodiment according to the present utility model, spring 50 and magnetic part 30 are arranged arrangement, and
Spring 50 and magnetic part 30 are connected respectively with flexible sealing fin 20.Specifically, one end connection flexible sealing fin 20 of spring 50,
The other end of spring 50 only abuts and touches regulating part 60.
Magnetic part 30 and spring 50 are arranged arrangement, it is possible to reduce spring 50 and magnetic part 30 are in the axial direction of flexible sealing fin 20
Occupied space on direction, is conducive to reduce the volume of pressure-detecting device 100, and the installation for pressure-detecting device 100 provides
Convenience, and the scope of application of pressure-detecting device 100 can be expanded, and can prevent that spring 50 is axial with magnetic part 30
During arrangement caused by elastic force is excessive 30 tilt condition of magnetic part generation.
As shown in Fig. 2, in some instances, magnetic part 30 forms the axially extending tubulose along spring 50, and magnetic part
30 interior diameter is more than the overall diameter of spring 50, and magnetic part 30 is set in the outside of spring 50, and the interior sidewall surface of magnetic part 30
It is arranged spaced apart with the outer side surface of spring 50, the lower end of magnetic part 30 and the lower end of spring 50 with 20 phase of flexible sealing fin
Even.
The magnetic part 30 and spring 50 of said structure arrangement, can not only save magnetic part 30 and spring 50 in flexible sealing
Magnetic part 30 is located at the outside of spring 50 by the occupied space in the axial direction of piece 20, can also increase the volume of magnetic part 30, have
Beneficial to the magnetic field intensity of promotion magnetic part 30, and spring 50 can be prevented to be folded between magnetic part 30 and inductance coil, shadow
The induction between magnetic part 30 and inductance coil is rung, and then is conducive to the accuracy in detection of adherence pressure detection device 100
And sensitivity.
As shown in figure 3, in some instances, magnetic part 30 forms the axially extending column along spring 50, and spring 50
It is set in 30 outside of magnetic part, that is to say, that the overall diameter of magnetic part 30 is less than the interior diameter of spring 50, and magnetic part 30 is plugged on
The inside of spring 50 and one end of magnetic part 30 is connected with flexible sealing fin 20.
Similarly, the magnetic part 30 and spring 50 of said structure arrangement, can not only save magnetic part 30 and spring 50 exists
Occupied space in the axial direction of flexible sealing fin 20 can also make full use of the inner space of spring 50, save magnetic part 30
Occupied space in second chamber 122 is conducive to further reduce the volume of pressure-detecting device 100, and magnetic part 30
50 inside of spring is located at, magnetic part 30 can be prevented to be subject to the influence of outer annular and move.
As shown in Figure 1 to Figure 3, in certain embodiments, pressure-detecting device 100 further includes positioning seat 21, positioning
Seat 21 is located at the middle part of flexible sealing fin 20, and magnetic part 30 is supported on positioning seat 21, and elastic component can also be supported on positioning seat
On 21, specifically, positioning seat 21 is connected to flexible sealing fin 20 towards on a side surface of second chamber 122, positioning seat 21
Axial centerline on locating slot can be set, magnetic part 30 can be plugged in locating slot, the central axis of positioning seat 21
Positioning column can also be set on position, magnetic part 30 can be set on positioning column if tubulose, magnetic part 30, wherein, positioning
Coaxially arranged interior positioning region and outer positioning region can also be set simultaneously on seat 21, when magnetic part 30 and spring 50 are arranged, magnetic
Property part 30 and spring 50 be located inside be mounted on interior positioning region on, positioned at outside be mounted on outer positioning region on.
Can be that installation magnetic part 30 and spring 50 provide conveniently by setting positioning seat 21 in flexible sealing fin 20,
And the connective stability between magnetic part 30 and spring 50 and flexible sealing fin 20 can be promoted, prevent magnetic part 30 and spring
50 occur relative dislocation or disengaging with flexible sealing fin 20, ensure that pressure-detecting device 100 works normally.
As shown in figure 3, a specific embodiment according to the present utility model, magnetic part 30 is magnetic core, and magnetic core can be connected
It is connected in flexible sealing fin 20 and along the axially extending column or tubulose of flexible sealing fin 20, induction pieces 40 are to be set in magnetism
The induction coil in 30 outside of part.
Wherein, magnetic field is generated around magnetic part 30, the induction coil for being set in 30 outside of magnetic part is sent out with magnetic part 30
Cutting magnetic induction line during raw relative motion, the meeting of induction pieces 40 is different with direction according to the intensity in magnetic field and generates different induction value, soft
Property diaphragm seal 20 magnetic part 30 is driven to move in deformation process, detection unit according to the inductance value of induction pieces 40 obtain the first chamber
The pressure information of room 112.
On the one hand, magnetic core is simple in structure as magnetic part 30, is readily available, production cost is relatively low, and the magnetic field of magnetic core
Intensity is larger, is conducive to promote the induction between magnetic part 30 and induction pieces 40, on the other hand, induction coil is as sensing
Part 40, feedback information easily detects, and accuracy in detection is higher, not error-prone.
Optionally, housing 10 includes：Lower housing 11, upper shell 12 and annular support 13, lower housing 11 are mounted on pot cover
On, and first through hole 111 is located on lower housing 11, openend and the second through hole 121 are located in second shell 10 (if the second through hole
121 are located on regulating part 60, then only have openend on upper shell 12), and upper shell 12 is tightly connected and with lower housing 11 under
The cooperation of housing 11 limits pressure chamber, and flexible sealing fin 20, which is connected with the sealing of lower housing 11 and coordinates with lower housing 11, limits the
One chamber 112, flexible sealing fin 20 limit second chamber 122 with the cooperation of upper shell 12, and supporter 13 is located at second chamber 122
Interior and be connected with upper shell 12, the outer side surface of supporter 13 defines annular accommodating chamber, and induction pieces 40 are mounted in accommodating chamber,
Regulating part 60 is through the inside of supporting item and is connected on upper shell 12.
Wherein, regulating part 60 can also be connected to the inside of supporting item, and the inside of annular support 13 can also limit
Along 60 installation cavity of regulating part for axially penetrating through supporter 13 of supporter 13, supporter 13 is mounted in openend, and supporter
13 outer side surface and the interior sidewall surface sealing of openend coordinate, and regulating part 60 and spring 50 are plugged on 60 installation cavity of regulating part
It is interior, and the outer side surface of regulating part 60 is threadedly coupled with the inner peripheral of supporter 13.
On the one hand, housing 10 is set as upper shell 12, lower housing 11 and supporter 13, the production work of housing 10 can be reduced
Skill difficulty advantageously reduces the production cost of housing 10, and when upper shell 12 is separated with lower housing 11, can be spring 50,
The installation of flexible sealing fin 20, induction pieces 40 provides the efficiency of assembling for conveniently, improving pressure-detecting device 100 with replacing, then
Induction pieces 40 are mounted in the accommodating chamber of supporter 13 by person, and housing 10 promotes the stability of induction pieces 40, prevents because of induction pieces
40 rock generation increases the detection error of pressure-detecting device 100 compared with the position of magnetic part 30, is conducive to adherence pressure
The precision of detection device 100.
In some instances, the screw thread on regulating part 60 is fine thread, that is to say, that the periphery wall and opening of regulating part 60
Coordinated between the internal perisporium at end by fine thread and be connected, for thicker screw thread, regulating part 60 rotates identical angle,
The corresponding regulating part 60 of fine thread be axially moveable it is in small distance, it is possible thereby to which it is pre- to promote the rotation control spring 50 of regulating part 60
The degree of regulation of pressure, so as to the output accuracy of adherence pressure detection device 100, moreover, screw thread can be promoted using fine thread
Arranging density on 60 axial direction of regulating part, and then the connective stability of regulating part 60 can be promoted.
The kitchen appliance according to the utility model second aspect embodiment is specifically described with reference to Fig. 1-Fig. 8.
The pressure for kitchen appliance according to the kitchen appliance of the utility model embodiment includes above-described embodiment
Detection device 100.
Since the pressure-detecting device 100 for kitchen appliance according to the utility model embodiment is with above-mentioned technology effect
Therefore fruit, also has above-mentioned technique effect, i.e., by using above-described embodiment according to the kitchen appliance of the utility model embodiment
Pressure-detecting device 100, can not only promote the accuracy of the pressure detecting in kitchen appliance, ensure the normal of kitchen appliance
Work, and efficiency of assembling can be promoted.
As shown in Fig. 1-Fig. 3, Fig. 5, according to the utility model an optional embodiment, kitchen appliance is cooking apparatus
600.Specifically, cooking apparatus 600 includes pot 61, pot cover 62 and pressure-detecting device 100, and cooking cavity is defined in pot 61
611, pot cover 62 is movably located in pot 61 to open and close cooking cavity 611, and pressure-detecting device 100 is mounted on pot cover
On 62, and pressure-detecting device 100 is connected with cooking cavity 611, for detecting the pressure in cooking cavity 611.
Cooking apparatus 600 according to the present utility model, by using the pressure-detecting device 100 of above-described embodiment, not only
The accuracy of the pressure detecting of cooking apparatus 600 can be promoted, ensures the normal work of cooking apparatus 600, and can be promoted
Efficiency of assembling.
As shown in Figure 1-Figure 3, in some specific examples, cooking apparatus 600 includes：Pot 61, pot cover 62 and pressure inspection
Device 100 is surveyed, defines cooking cavity 611 in pot 61, pot cover 62 is movably located in pot 61 to open and close culinary art
Chamber 611, pressure-detecting device 100 connect to detect the pressure in cooking cavity 611 with cooking cavity 611.
Pressure-detecting device 100 includes：Housing 10, flexible sealing fin 20, magnetic part 30, induction pieces 40, spring 50, adjusting
Part 60 and detection unit, housing 10 include：Upper shell 12, lower housing 11 and annular support 13, lower housing 11 are equipped with first
Through hole 111, upper shell 12 are equipped with the second through hole 121, and flexible sealing fin 20 is located between upper shell 12 and lower housing 11, flexible
The outer peripheral edge of diaphragm seal 20 is connected with the sealing of lower housing 11, and flexible sealing fin 20 limits with the cooperation of lower housing 11 and connects first
The first chamber 112 of through hole 111, flexible sealing fin 20 coordinates with upper shell 12 limits the second chamber for connecting the second through hole 121
Room 122, flexible sealing fin 20 change according to the pressure change of first chamber 112 and second chamber 122, and magnetic part 30 is set
It is connected in second chamber 122 and with flexible sealing fin 20, when flexible sealing fin 20 is with first chamber 112 and second chamber 122
Pressure change and when generating mobile, magnetic part 30 is moved with the movement of flexible sealing fin 20, and supporter 13 is located at second chamber
It is connected in 122 and with upper shell 12, induction pieces 40 are located on supporter 13, and induction pieces 40 coordinate with magnetic part 30, work as magnetism
When part 30 occurs mobile, magnetic field is moved, and thus induction pieces 40 generate corresponding feedback, detection unit and 40 phase of induction pieces
Even, detection unit obtains the location information of magnetic part 30 according to the feedback information of induction pieces 40, thus obtains first chamber 112
Pressure.
Wherein, upper shell 12 is equipped with openend, and annular support 13 is plugged in openend, and the inside of supporter 13
60 installation cavity of regulating part is limited, regulating part 60 is movably mounted in 60 installation cavity of regulating part, and 60 installation cavity of regulating part
Internal face and the outer side surface of regulating part 60 between by fine thread cooperation be connected, regulating part 60 stretch into housing 10 one end and
Spring 50 is equipped between flexible sealing fin 20, positioning seat 21 is equipped between spring 50 and flexible sealing fin 20, magnetic part 30 is located at
The inside of spring 50 is simultaneously connected on positioning seat 21.
According to the pressure-detecting device 100 of the utility model embodiment, can accurately detect in the cooking cavity 611 of cooking apparatus
Pressure, improve the control accuracy of cooking apparatus 600, promote the experience of user, the pressure-detecting device 100 is wireless, passive, special
Not Shi Yongyu Split-type pot cover 62 cooking apparatus 600.
As shown in Fig. 1-Fig. 3 and Fig. 6-Fig. 8, according to another optional embodiment of the utility model, kitchen appliance is
Dish-washing machine 700, the outside of dish-washing machine 700 are equipped with handle 71, and dish-washing machine 700 includes washing cavities 701, water tank 72, and water tank 72 has
There are liner 721 and the detection hole 722 turned on liner 721.
In some instances, the bottom of water tank 72 has the detection hole 722 turned on liner 721, pressure-detecting device 100
The bottom of water tank 72 is located at and at detection hole 722, to detect the hydraulic pressure of detection hole 722.
In other examples, the bottom of water tank 72 has the detection hole 722 turned on liner, pressure-detecting device 100
The first through hole 111 for being located at the top of water tank 72 and pressure-detecting device 100 is turned on detection hole 722, with the water in water tank 72
Pressure.
By using the pressure-detecting device 100 of above-described embodiment, the standard that hydraulic pressure detects in dish-washing machine can be not only promoted
True property, ensures the normal work of dish-washing machine, and can promote efficiency of assembling.
Certainly, the type of the kitchen appliance of the utility model is not limited to cooking apparatus, dish-washing machine, can also be other electricity
Device, such as water heater etc..
In conclusion according to the kitchen appliance of the utility model embodiment, the chamber to be measured of kitchen appliance can be accurately detected
Interior air pressure or hydraulic pressure improve the control accuracy of kitchen appliance, promote the experience of user.Basis is described referring to Fig. 1-Fig. 4
The calibration method of the pressure-detecting device 100 of the utility model embodiment.
With reference to Fig. 1-Fig. 4 descriptions according to the calibration method of the pressure-detecting device of the utility model embodiment.
Comprised the following steps according to the calibration method of the pressure-detecting device of the utility model one embodiment：
First, flexible sealing fin, magnetic part, induction pieces, spring and regulating part are assembled in housing, then in induction pieces
Induction pieces are connected, then to first by external LCR equipment with a LCR equipment (for example, LCR testers) for hull outside
Through hole input preset pressure (for example, 70%FS), can be inflated using booster pump into first through hole, and gas enters the first chamber
Room after the completion of inflation, checks the output sensibility reciprocal value of induction pieces, then compares the actual sensibility reciprocal value of output with standard output value
Compared with if actual sensibility reciprocal value is different from standard output value, adjustment regulating part is identical with standard output value up to actual sensibility reciprocal value, actual
After sensibility reciprocal value is identical with standard output value, using adhesive glue secured adjusted part.
Comprised the following steps according to the calibration method of the pressure-detecting device 100 of the utility model another embodiment：
First, flexible sealing fin, magnetic part, induction pieces, spring and regulating part are assembled in housing, then by induction pieces
External frequency detection equipment, at least a portion and the induction pieces of external frequency detection equipment form resonant tank, and logical to first
Hole input preset pressure (default 70%FS), frequency detection equipment can detect the resonant frequency of resonant tank, then constantly adjust
Whole regulating part is to adjust the relative position of magnetic part and induction pieces, so that resonant frequency reaches standard output value, when what is detected
Secured adjusted part when resonant frequency reaches standard output value, completes the calibration of pressure-detecting device.
According to the calibration method of the pressure-detecting device of the utility model embodiment, the list of realization pressure-detecting device 100
Point calibration, it is easy to operate, save the time, be conducive to improve production efficiency, and calibration curing is carried out after being completed, output misses
Difference is small, accuracy rate is high.
According to other compositions of the kitchen appliance (for example, cooking apparatus, dish-washing machine) of the utility model embodiment and behaviour
Work is all for those of ordinary skills known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can in an appropriate manner combine in any one or more embodiments or example.
While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that：
In the case where not departing from the principle and objective of the utility model can these embodiments be carried out with a variety of variations, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (14)
1. a kind of pressure-detecting device for kitchen appliance, which is characterized in that including：
Housing, the housing are equipped with openend, and the housing has first through hole and the second through hole；
Flexible sealing fin, the flexible sealing fin are located in the housing inner cavity of the housing being separated into and described first
The first chamber of through hole connection and the second chamber connected with second through hole, the flexible sealing fin are configured to according to institute
It states the pressure change of first chamber and the second chamber and deforms upon；
Magnetic part, the magnetic part are located in the second chamber and are connected with the flexible sealing fin with close according to the flexibility
The deformation of mounting and move；
Induction pieces, the induction pieces are located in the second chamber, for sensing the displacement of the magnetic part；
Spring, the spring is located in the second chamber and one end is connected with the flexible sealing fin with close according to the flexibility
The deformation of mounting and compressed；
Regulating part, the regulating part are located at the openend and are threadedly coupled with the housing, the regulating part and the bullet
The other end connection of spring, for adjusting the precompression of the spring；
Detection unit, the detection unit are connected with the induction pieces, and the detection unit is used for the position according to the induction pieces
Move the pressure of first chamber described in acquisition of information.
2. the pressure-detecting device according to claim 1 for kitchen appliance, which is characterized in that second through hole with
The flexible sealing fin is positioned opposite and is located on the regulating part.
3. the pressure-detecting device according to claim 1 for kitchen appliance, which is characterized in that the regulating part is formed
For screw.
4. the pressure-detecting device according to claim 1 for kitchen appliance, which is characterized in that the spring is connected to
Between the magnetic part and the regulating part.
5. the pressure-detecting device according to claim 4 for kitchen appliance, which is characterized in that further include：Spring base,
The spring base is fixed on one end of the flexible sealing fin backwards of the magnetic part, and the spring is mounted on the spring base
On.
6. the pressure-detecting device according to claim 1 for kitchen appliance, which is characterized in that the spring and described
Magnetic part is arranged arrangement, and the spring and the magnetic part are connected respectively with the flexible sealing fin.
7. the pressure-detecting device according to claim 6 for kitchen appliance, which is characterized in that the magnetic part is formed
Ring-type, and the magnetic part is set in the outside of the spring.
8. the pressure-detecting device according to claim 6 for kitchen appliance, which is characterized in that the magnetic part is formed
Column, and the spring is set in the outside of the magnetic part.
9. the pressure-detecting device for kitchen appliance according to any one of claim 1-8, which is characterized in that also wrap
Positioning seat is included, the magnetic part is supported on the positioning seat.
10. the pressure-detecting device according to claim 1 for kitchen appliance, which is characterized in that the magnetic part is
Magnetic core, the induction pieces are the induction coil being set on the outside of the magnetic part.
11. the pressure-detecting device according to claim 10 for kitchen appliance, which is characterized in that the housing bag
It includes：
Lower housing, the lower housing have the first through hole；
Upper shell, the upper shell are connected with the lower housing and with second through holes；
Annular support, the supporter are located to limit to accommodate the accommodating chamber of the induction pieces in the upper shell,
The regulating part is threadedly coupled with the upper shell and/or the supporter.
12. pressure-detecting device according to claim 1, which is characterized in that the screw thread on the regulating part is fine thread.
13. a kind of kitchen appliance, which is characterized in that including being used for kitchen appliance according to any one of claim 1-12
Pressure-detecting device.
14. kitchen appliance according to claim 13, which is characterized in that the kitchen appliance is cooking apparatus, dish-washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721452934.4U CN207456666U (en) | 2017-11-02 | 2017-11-02 | Pressure-detecting device, kitchen appliance for kitchen appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721452934.4U CN207456666U (en) | 2017-11-02 | 2017-11-02 | Pressure-detecting device, kitchen appliance for kitchen appliance |
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| Publication Number | Publication Date |
|---|---|
| CN207456666U true CN207456666U (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957313A (en) * | 2017-11-02 | 2018-04-24 | 美的集团股份有限公司 | Pressure-detecting device and its calibration method, kitchen appliance |
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2017
- 2017-11-02 CN CN201721452934.4U patent/CN207456666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957313A (en) * | 2017-11-02 | 2018-04-24 | 美的集团股份有限公司 | Pressure-detecting device and its calibration method, kitchen appliance |
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