CN109959466A - Temperature sensor and cooking apparatus - Google Patents
Temperature sensor and cooking apparatus Download PDFInfo
- Publication number
- CN109959466A CN109959466A CN201711339678.2A CN201711339678A CN109959466A CN 109959466 A CN109959466 A CN 109959466A CN 201711339678 A CN201711339678 A CN 201711339678A CN 109959466 A CN109959466 A CN 109959466A
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- China
- Prior art keywords
- temperature
- sensitive shell
- temperature sensor
- shell
- sensitive
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- 238000010411 cooking Methods 0.000 title claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 47
- 238000004382 potting Methods 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Cookers (AREA)
Abstract
The present invention provides a kind of temperature sensor and cooking apparatus.Wherein, temperature sensor is suitably mounted on the upper lid of cooking apparatus, and temperature sensor includes: temperature-sensitive shell, and temperature-sensitive shell is the metal-back for having cavity by punch forming, and the wall of metal-back is from top to bottom integral into thin wall shape；The thermistor being placed in the cavity of temperature-sensitive shell and the potting resin for being fixed on thermistor encapsulation in the cavity of temperature-sensitive shell.Temperature sensor provided by the invention, the temperature-sensitive shell of temperature sensor is replaced with into stamping forming metal-back by the aluminum hull of turnery processing, temperature-sensitive shell is processed into using punch forming mode the metal thin shell of thinner thickness and uniform wall thickness, the thickness of temperature-sensitive shell can be reduced, simultaneously guarantee the thickness of temperature-sensitive shell consistent, to make the thermal response rates of thermistor and temperature-sensitive consistency get a promotion, and make the convenient formation of temperature-sensitive shell, processing cost low.
Description
Technical field
The present invention relates to kitchen utensils fields, more specifically, are related to a kind of temperature sensor and a kind of cooking apparatus.
Background technique
The upper cover temperature sensor that existing cooking apparatus such as electric pressure cooking saucepan uses, temperature-sensitive stick housing mostly use turning to add
The aluminum hull of work, thickness are about 2mm or so, due to turnery processing it is difficult to ensure that the consistency of shell wall thickness, will affect wherein temperature-sensitive
The disadvantages of thermal response time of resistor assembly, there are temperature-sensitive consistency difference and high processing costs.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, the purpose of one aspect of the present invention is, a kind of temperature sensor is provided.
The purpose of another aspect of the present invention is, provides a kind of cooking apparatus including above-mentioned temperature sensor.
To achieve the above object, the technical solution of one aspect of the present invention provides a kind of temperature sensor, is suitable for
It is mounted on the upper lid of cooking apparatus, comprising: temperature-sensitive shell, the temperature-sensitive shell are the metal for having cavity by punch forming
Shell, and the wall of the metal-back is integrally in thin wall shape from top to bottom；Set thermistor in the cavity；With for will be described
Thermistor encapsulates the potting resin being fixed in the cavity.
The temperature sensor that above-mentioned technical proposal of the present invention provides, by the temperature-sensitive shell of temperature sensor by turnery processing
Aluminum hull replaces with stamping forming metal-back, i.e., temperature-sensitive shell is processed into thinner thickness using punch forming mode and wall thickness is equal
Even metal thin shell, can reduce the thickness of temperature-sensitive shell, while it is consistent to guarantee the thickness of temperature-sensitive shell, to keep temperature-sensitive electric
The thermal response rates and temperature-sensitive consistency of resistance get a promotion, and make the convenient formation of temperature-sensitive shell, processing cost low.
It should be noted that the wall of above-mentioned metal-back from top to bottom integrally be in thin wall shape, thin wall shape herein be relative to
Existing turnery processing at the relatively thick aluminum hull of thin and thick for, be served only for illustrating the general shape of metal-back, be not used in restriction
The specific wall thickness of metal-back.
In addition, the temperature sensor that above-mentioned technical proposal of the present invention provides can also have following additional technical feature:
In the above-mentioned technical solutions, the material of the metal-back is stainless steel, the wall thickness of the metal-back be 0.2mm~
0.7mm。
Metal-back uses stainless steel material punch forming, it is easier to obtain that wall thickness is relatively thin and the temperature-sensitive shell of uniform wall thickness,
To effectively ensure the thermal response rates and temperature-sensitive consistency of thermistor；The wall thickness of metal-back is set 0.2mm~0.7mm's
In range, the excessively thin punch forming quality of the wall thickness of metal-back had not only been avoided to be not easy the problem guaranteed, punch forming yields is low, but also from keeping away
The wall thickness for exempting from metal-back blocked up is not easy the big problem of punch forming, difficulty of processing.
In the above-mentioned technical solutions, the wall thickness of the metal-back is 0.3mm.
Preferably, the wall thickness of stamping forming metal-back is 0.3mm, with while guaranteeing punch forming quality, as far as possible
Reduction metal-back thickness, thus effectively promoted thermistor thermal response efficiency, improve the precision of thermometric.
In the above-mentioned technical solutions, the temperature-sensitive shell other end closed at one end is open, and the temperature-sensitive shell is close to open
The shell wall that the shell wall at end is relatively distant from open end expands outwardly and forms limited step in the junction of the two.
The temperature-sensitive shell other end closed at one end is open, and thermistor is packed into temperature-sensitive shell simultaneously from the open end of temperature-sensitive shell
It is placed in the bottom of temperature-sensitive shell；Limited step is formed, at the open end of temperature-sensitive shell in order to install by temperature sensor
When cooking apparatus upper is covered, using the limited step by temperature sensor support on upper lid, exist convenient for temperature sensor
Smooth positioning and assembly on upper lid, keep the assembly of temperature sensor more convenient.
In the above-mentioned technical solutions, the temperature sensor further include: sealed support, be placed in the temperature-sensitive shell and
It is supported on the limited step, the through-hole passed through for the lead of the thermistor is offered on the sealed support.
The setting of sealed support can both be supported positioning to thermistor, guarantee thermistor in temperature-sensitive shell
Bottom is placed in the middle, the consistency of thickness of surrounding encapsulating potting resin；The dosage of potting resin can be reduced again, reduce material cost；It is excellent
The shape of selection of land, sealed support is adapted with the shape at the open end of temperature-sensitive shell, to utilize sealed support to thinner thickness
Temperature-sensitive shell be supported, the shape of temperature-sensitive shell is effectively ensured, prevents temperature-sensitive casing deformation.
In the above-mentioned technical solutions, metal baffle is connected at the open end of the temperature-sensitive shell, the metal baffle is used
In the sealed support is pressed in the temperature-sensitive shell.
Sealed support is compressed using the metal baffle at the open end that temperature-sensitive shell is arranged in, it is ensured that sealed support is being felt
Fixed fastness in warm shell, structure is simple, is fixed conveniently；It specifically, can be by metal baffle to the outside of temperature-sensitive shell
It is put into sealed support after breaking certain angle into two with one's hands, then bend inwards metal baffle the opening for making metal baffle gear in temperature-sensitive shell
At end, sealed support is pressed in temperature-sensitive shell by realization；Preferably, metal baffle is an integral structure with temperature-sensitive shell.
In the above-mentioned technical solutions, the quantity of the metal baffle is multiple, and multiple metal baffles are along the temperature-sensitive
The circumferentially-spaced arrangement of the open end of shell.
Sealed supports are compressed using the circumferentially spaced multiple metal baffles along the open end of temperature-sensitive shell, with into one
Step ensures sealed support fastness fixed in temperature-sensitive shell.
In the above-mentioned technical solutions, the metal baffle is from the peripheral wall of temperature-sensitive shell open end to the open end
Center extends into strip.
Metal baffle extends into strip to open center from the open peripheral wall of temperature-sensitive shell, to ensure metal baffle
Enough pressing forces are applied to sealed support of the gear at temperature-sensitive shell open end, it is ensured that sealed support consolidating in temperature-sensitive shell
Determine fastness；Preferably, metal baffle is structure as a whole with temperature-sensitive shell, and metal baffle directly passes through cutting on temperature-sensitive shell
Etc. modes formed, be a part of temperature-sensitive shell.
In the above-mentioned technical solutions, the thermistor includes two leads, and the every lead passes through a conducting wire and company
Connecting terminal is connected, and the outside of two conducting wires position corresponding with the sealed support is sheathed with heat-shrink tube.
It is arranged heat-shrink tube on the outside of two conducting wires, on the one hand avoids the conducting wire being located in temperature-sensitive shell from bending, separately
On the one hand it plays a protective role to conducting wire, avoids the outer surface for scratching conducting wire when bending metal baffle；Preferably, heat-shrink tube is upper
End is higher by the upper surface of sealed support, and the lower end of heat-shrink tube is lower than the lower surface of sealed support.
In any of the above-described technical solution, the temperature-sensitive shell other end closed at one end is open, and the temperature-sensitive shell opens
Mouth is connected with the connection sheet extended outward at end, and the connection sheet is connected with grounding wire component, the connection sheet and the sense
Warm shell is structure as a whole.
It is connected using the connection sheet at the open end for being connected to temperature-sensitive shell with grounding wire component, so that temperature sensor
Ground structure is simpler, and processing is more convenient；Preferably, connection sheet is an integral structure with temperature-sensitive shell, and connection sheet is directly being felt
It is formed on warm shell by modes such as cuttings, is a part of temperature-sensitive shell, so that connection sheet easy to process, structural strength
It is high.
The technical solution of another aspect of the present invention provides a kind of cooking apparatus, comprising: pot body；Upper cover, it is described on
Lid closes to form cooking cavity with the pot body lid；With temperature sensor described in any of the above-described technical solution, the temperature sensor
It installs on the cover, and the lower end of the temperature sensor is stretched out from the inside of the upper cover and extends to the cooking cavity
It is interior.
The cooking apparatus that above-mentioned technical proposal of the present invention provides, including temperature sensing described in any of the above-described technical solution
Device, thus the beneficial effect with temperature sensor described in any of the above-described technical solution, details are not described herein；And temperature passes
The lower end of sensor is stretched out from the inside of upper cover and is extended in cooking cavity, make the lower end of temperature sensor directly with the steaming in cooking cavity
Vapour carries out contact thermography, effectively promotes the accuracy and sensitivity of temperature-sensitive.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic perspective view of temperature sensor described in one embodiment of the invention；
Fig. 2 is the schematic perspective view of the temperature-sensitive shell of temperature sensor shown in Fig. 1；
Fig. 3 is the schematic cross-sectional view of temperature sensor shown in Fig. 1；
Fig. 4 is the schematic cross-sectional view of the another location of temperature sensor shown in Fig. 1.
Wherein, the corresponding relationship in Fig. 1 to Fig. 4 between appended drawing reference and component names are as follows:
1 temperature-sensitive shell, 11 limited steps, 12 metal baffles, 13 connection sheets, 2 thermistors, 21 leads, 3 potting resins, 4
Sealed support, 41 through-holes, 5 grounding wire components, 6 conducting wires, 7 connection terminals, 8 heat-shrink tubes.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
Implement in a manner of using other than the one described here, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
The temperature sensor and cooking apparatus of 1 to Fig. 4 description according to some embodiments of the invention with reference to the accompanying drawings.
As shown in Figures 1 to 4, a kind of temperature sensor provided according to some embodiments of the invention, is suitably mounted to
On the upper lid of cooking apparatus, temperature sensor includes: temperature-sensitive shell 1, thermistor 2 and potting resin 3.
Specifically, temperature-sensitive shell 1 is the metal-back for having cavity by punch forming, and the wall of metal-back is whole from top to bottom
In thin wall shape；Thermistor 2 is placed in the cavity of temperature-sensitive shell 1, and potting resin 3 is used to the encapsulation of thermistor 2 being fixed on sense
In the cavity of warm shell 1.
The temperature sensor that the above embodiment of the present invention provides, by the temperature-sensitive shell 1 of temperature sensor by turnery processing
Aluminum hull replaces with stamping forming metal-back, i.e., temperature-sensitive shell 1 is processed into thinner thickness and wall thickness using punch forming mode
Uniform metal thin shell, can reduce the thickness of temperature-sensitive shell 1, while it is consistent to guarantee the thickness of temperature-sensitive shell 1, to make heat
The thermal response rates and temperature-sensitive consistency of quick resistance 2 get a promotion, and make the convenient formation of temperature-sensitive shell 1, processing cost
It is low.
In some embodiments of the invention, the material of metal-back is stainless steel, the wall thickness of metal-back be 0.2mm~
0.7mm。
Metal-back uses stainless steel material punch forming, it is easier to obtain that wall thickness is relatively thin and the temperature-sensitive shell of uniform wall thickness,
To effectively ensure the thermal response rates and temperature-sensitive consistency of thermistor；The wall thickness of metal-back is set 0.2mm~0.7mm's
In range, the excessively thin punch forming quality of the wall thickness of metal-back had not only been avoided to be not easy the problem guaranteed, punch forming yields is low, but also from keeping away
The wall thickness for exempting from metal-back blocked up is not easy the big problem of punch forming, difficulty of processing.
Specifically, the wall thickness of metal-back can be 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, certainly, gold
The wall thickness for belonging to shell is not limited to above-mentioned specific restriction, can carry out sets itself according to the actual situation.
Preferably, the wall thickness of metal-back is 0.3mm, with while guaranteeing punch forming quality, reduction metal as far as possible
The thickness of shell improves the precision of thermometric to effectively promote the thermal response efficiency of thermistor 2.
In some embodiments of the invention, as shown in Figure 2, Figure 3 and Figure 4, the other end closed at one end of temperature-sensitive shell 1 is spacious
Mouthful, the shell wall that shell wall of the temperature-sensitive shell 1 close to open end is relatively distant from open end is expanded outwardly and is formed in the junction of the two
Limited step 11.
The other end closed at one end of temperature-sensitive shell 1 is open, and thermistor 2 is packed into temperature-sensitive shell 1 from the open end of temperature-sensitive shell 1
Inside it is placed in the bottom of temperature-sensitive shell 1；Limited step 11 is formed, at the open end of temperature-sensitive shell 1 in order to pass by temperature
When sensor is mounted on cooking apparatus upper and covers, using the limited step 11 by temperature sensor support on upper lid, convenient for temperature
Smooth positioning and assembly of the sensor on upper lid are spent, keeps the assembly of temperature sensor more convenient.
In one embodiment of the invention, shown in as shown in Figure 1, Figure 3 and Figure 4, temperature sensor further include: sealed support 4,
It is placed in temperature-sensitive shell 1 and is supported on limited step 11, the lead 21 offered on sealed support 4 for thermistor 2 passes through
Through-hole 41.
The setting of sealed support 4 can both be supported positioning to thermistor 2, guarantee thermistor 2 in temperature-sensitive shell
1 bottom is placed in the middle, the consistency of thickness of surrounding encapsulating potting resin 3；Can reduce the dosage of potting resin 3 again, reduce material at
This；Preferably, the shape of sealed support 4 is adapted with the shape at the open end of temperature-sensitive shell 1, with right using sealed support 4
The temperature-sensitive shell 1 of thinner thickness is supported, and the shape of temperature-sensitive shell 1 is effectively ensured, and prevents temperature-sensitive shell 1 from deforming.
Preferably, through-hole 41 is provided at the center of sealed support 4.
Further, as shown in Figures 1 to 4, metal baffle 12, metal baffle are connected at the open end of temperature-sensitive shell 1
12 for sealed support 4 to be pressed in temperature-sensitive shell 1.
Sealed support 4 is compressed using the metal baffle 12 at the open end that temperature-sensitive shell 1 is arranged in, it is ensured that sealed support
4 fastnesses fixed in temperature-sensitive shell 1, structure is simple, is fixed conveniently；It specifically, can be by metal baffle 12 to outside temperature-sensitive
The outside of shell 1 is put into sealed support 4 after breaking certain angle into two with one's hands, and then metal baffle 12, which bends inwards, makes the gear of metal baffle 12 exist
At the open end of temperature-sensitive shell 1, sealed support 4 is pressed in temperature-sensitive shell 1 by realization；Preferably, metal baffle 12 and temperature-sensitive
Shell 1 is an integral structure.
In one specific embodiment, as depicted in figs. 1 and 2, metal baffle 12 is from the peripheral wall of 1 open end of temperature-sensitive shell to spacious
The center at mouth end extends into strip.
Metal baffle 12 extends into strip to open center from the open peripheral wall of temperature-sensitive shell 1, to ensure metal
Sealed support 4 of 12 pairs of the baffle gears at 1 open end of temperature-sensitive shell applies enough pressing forces, it is ensured that sealed support 4 is in temperature-sensitive
Fix tightly solidity in shell 1.
Preferably, the quantity of metal baffle 12 is multiple, the circumferential direction of open end of multiple metal baffles 12 along temperature-sensitive shell 1
Arranged for interval, metal baffle 12 and the wall of temperature-sensitive shell are structure as a whole, and metal baffle 12 is directly to pass through on temperature-sensitive shell 1
What the modes such as cutting were formed, be a part of temperature-sensitive shell 1；Specifically, as shown in Fig. 2, the quantity of metal baffle 12 is three.
Sealed support 4 is compressed using circumferentially spaced multiple metal baffles 12 along the open end of temperature-sensitive shell 1, with
Further ensure that the fastness fixed in temperature-sensitive shell 1 of sealed support 4.
Specifically, temperature-sensitive shell uses the stainless steel case of 0.3mm thickness, and thermistor is put into temperature-sensitive outer casing bottom, uses
Potting resin encapsulating guarantees that thermistor is placed in the middle in temperature-sensitive outer casing bottom, the consistency of thickness of surrounding temperature-sensitive shell, is above sealing
Bracket such as silica gel support can not only support positioning, but also can reduce the dosage of potting resin, then use the three of temperature-sensitive shell upper
A metal baffle compresses sealed support.
In one embodiment of the invention, as shown in figure 4, thermistor 2 includes two leads 21, every lead 21 is logical
It crosses a conducting wire 6 to be connected with connection terminal 7, the outside of two conducting wires 6 position corresponding with sealed support 4 is sheathed with heat-shrink tube 8.
It is arranged heat-shrink tube 8 in the outside of two conducting wires 6, on the one hand avoids the conducting wire 6 being located in temperature-sensitive shell 1 from occurring curved
Folding, on the other hand plays a protective role to conducting wire 6, avoids the outer surface that conducting wire 6 is scratched when bending metal baffle 12；Preferably,
The upper end of heat-shrink tube 8 is higher by the upper surface of sealed support 4, and the lower end of heat-shrink tube 8 is lower than the lower surface of sealed support 4.
In one embodiment of the invention, as shown in Figure 2 and Figure 4, it is connected with outward at the open end of temperature-sensitive shell 1
The connection sheet 13 of extension, connection sheet 13 are connected with grounding wire component 5, and connection sheet 13 and the wall of temperature-sensitive shell 1 are structure as a whole, even
Contact pin 13 is formed directly on temperature-sensitive shell 1 by modes such as cuttings, is a part of temperature-sensitive shell 1.
It is connected using the connection sheet 13 at the open end for being connected to temperature-sensitive shell 1 with grounding wire component 5, so that temperature sensing
The ground structure of device is simpler, and processing is more convenient；Preferably, connection sheet 13 is an integral structure with temperature-sensitive shell 1.
In one particular embodiment of the present invention, as depicted in figs. 1 and 2, temperature-sensitive shell 1 is towards open extreme direction size
The multistage cylindrical body being gradually increased, certainly, temperature-sensitive shell 1 are not limited to diagram shape, improve thermistor unit using similar material
The thickness and consistency of the temperature-sensitive shell 1 of position.
The embodiment of another aspect of the present invention provides a kind of cooking apparatus (not shown), comprising: pot body, on
The temperature sensor of lid and any of the above-described embodiment, upper cover and pot body lid close to form cooking cavity, and temperature sensor is mounted on upper cover
On, and the lower end of temperature sensor is stretched out from the inside of upper cover and is extended in cooking cavity.
The cooking apparatus that the above embodiment of the present invention provides, the temperature sensor including any of the above-described embodiment, thus have
There is the beneficial effect of the temperature sensor of any of the above-described embodiment, details are not described herein；And the lower end of temperature sensor is from upper
The inside of lid is stretched out and is extended in cooking cavity, and the lower end of temperature sensor is made directly to carry out contact survey with the steam in cooking cavity
Temperature effectively promotes the accuracy and sensitivity of temperature-sensitive.
In some embodiments of the invention, the cooking apparatus is electric pressure cooking saucepan or electric cooker.
Certainly, the cooking apparatus can also be in other cooking apparatus for needing thermometric namely above-mentioned temperature biography
Sensor is also applied on other cooking apparatus for needing thermometric.
In conclusion temperature sensor provided in an embodiment of the present invention, the temperature-sensitive shell of temperature sensor is added by turning
The aluminum hull of work replaces with stamping forming metal thin shell such as stainless steel case, reduces the thickness of temperature-sensitive shell, while making temperature-sensitive shell
Thickness guarantee consistent, so that the thermal response rates of thermistor and temperature-sensitive consistency be made to get a promotion, and make outside temperature-sensitive
Convenient formation, the processing cost of shell are low；It is sealed at the open end of temperature-sensitive shell using sealed support, while using on temperature-sensitive shell
Metal baffle compress silica gel support, not only realized to thermistor support positioning, but also reduce potting resin dosage.
In description of the invention, it is to be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or unit of finger must have specific direction, be constructed and operated in a specific orientation, it is thus impossible to be interpreted as to this hair
Bright limitation.
In the description of the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should all be done extensively
Reason and good sense solution, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection, or electrical connection；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of temperature sensor is suitably mounted on the upper lid of cooking apparatus characterized by comprising
Temperature-sensitive shell, the temperature-sensitive shell are the metal-back for having cavity by punch forming, and the wall of the metal-back from up to
Under integral into thin wall shape；
Set thermistor in the cavity；With
For the thermistor to be encapsulated the potting resin being fixed in the cavity.
2. temperature sensor according to claim 1, which is characterized in that
The material of the metal-back is stainless steel, and the wall thickness of the metal-back is 0.2mm~0.7mm.
3. temperature sensor according to claim 2, which is characterized in that
The wall thickness of the metal-back is 0.3mm.
4. temperature sensor according to claim 1, which is characterized in that
The temperature-sensitive shell other end closed at one end is open, and shell wall of the temperature-sensitive shell close to open end is relatively distant from open end
Shell wall expand outwardly and the junction of the two formed limited step.
5. temperature sensor according to claim 4, which is characterized in that further include:
Sealed support is placed in the temperature-sensitive shell and is supported on the limited step, offers confession on the sealed support
The through-hole that the lead of the thermistor passes through.
6. temperature sensor according to claim 5, which is characterized in that
Metal baffle is connected at the open end of the temperature-sensitive shell, the metal baffle is for the sealed support to be pressed on
In the temperature-sensitive shell.
7. temperature sensor according to claim 6, which is characterized in that
The quantity of the metal baffle be it is multiple, multiple metal baffles are along the circumferentially-spaced of the open end of the temperature-sensitive shell
Arrangement.
8. temperature sensor according to claim 6, which is characterized in that
The metal baffle extends into strip to the center of the open end from the peripheral wall of temperature-sensitive shell open end.
9. temperature sensor according to claim 5, which is characterized in that
The thermistor includes two leads, and the every lead is connected with connection terminal by a conducting wire, is led described in two
The outside of line position corresponding with the sealed support is sheathed with heat-shrink tube.
10. temperature sensor according to any one of claim 1 to 9, which is characterized in that
The temperature-sensitive shell other end closed at one end is open, is connected with the company extended outward at the open end of the temperature-sensitive shell
Contact pin, the connection sheet are connected with grounding wire component, and the connection sheet is structure as a whole with the temperature-sensitive shell.
11. a kind of cooking apparatus characterized by comprising
Pot body；
Upper cover, the upper cover and the pot body lid close to form cooking cavity；With
Temperature sensor as described in any one of claims 1 to 10, the temperature sensor are installed on the cover, and
The lower end of the temperature sensor is stretched out from the inside of the upper cover and is extended in the cooking cavity.
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Cited By (1)
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|---|---|---|---|---|
| CN113566999A (en) * | 2021-07-22 | 2021-10-29 | 深圳市敏杰电子科技有限公司 | Temperature sensor with temperature fuse |
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| CN109959466B (en) | 2024-09-27 |
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