CN108261050A - Temperature measuring equipment and microwave cooking utensil - Google Patents
Temperature measuring equipment and microwave cooking utensil Download PDFInfo
- Publication number
- CN108261050A CN108261050A CN201810274735.1A CN201810274735A CN108261050A CN 108261050 A CN108261050 A CN 108261050A CN 201810274735 A CN201810274735 A CN 201810274735A CN 108261050 A CN108261050 A CN 108261050A
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- China
- Prior art keywords
- measuring equipment
- temperature measuring
- signal wire
- shielding part
- metal shell
- Prior art date
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- 238000010411 cooking Methods 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims description 123
- 239000002184 metal Substances 0.000 claims description 123
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 235000013305 food Nutrition 0.000 description 13
- 230000001681 protective effect Effects 0.000 description 10
- 239000004411 aluminium Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- A47J27/00—Cooking-vessels
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
- H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
- H05B6/6452—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors the sensors being in contact with the heated product
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
- H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention discloses a kind of temperature measuring equipment and microwave cooking utensil, and the temperature measuring equipment includes temperature detector, shielding part, lets out energy part and connector;The temperature detector includes temperature detecting head and the first signal wire;The shielding part set is for shield microwaves;The energy part of letting out is connect with first signal wire and/or the shielding part, and the energy part of letting out is grounded, to export the vortex on first signal wire and/or the shielding part.Energy part is let out in this programme setting, with by releasing to the vortex generated in microwave environment on shielding part and/or first signal wire, so that before a large amount of heat of vortex generation on shielding part and/or first signal wire, just rapidly released, ensure that higher temperature will not be generated on shielding part and/or first signal wire due to vortex, therefore the temperature measuring equipment of technical solution of the present invention has higher antijamming capability and detection accuracy in microwave environment.
Description
Technical field
The present invention relates to microwave cooking fixture fields, more particularly to a kind of temperature measuring equipment and microwave cooking utensil.
Background technology
For microwave cooking utensil by generating microwave to be heated to food, therm-param method is microwave cooking utensil
Realize the important means for effect of most preferably cooking.Due to the particularity of microwave environment, food temperature measurement scheme is primarily present at present
Problems with:For traditional temperature sensor (such as NTC, thermocouple) scheme, since microwave can produce this kind of sensor
It gives birth to serious influence and cannot get true data, therefore this kind of scheme is not used for micro-wave oven field.For optical fiber food probe
Scheme, although optical fiber is not influenced by microwave, such product is due to of high cost, it is difficult to promote and use.In addition with infrared
Thermometric scheme, this contactless temperature-measuring scheme precision is not high, and its course of work is affected by environment larger (such as heating liquid
When the vapor that generates significant error when can cause infrared survey).Although also have at present using shielded layer to temperature detector
It is wrapped up, to overcome influence of the microwave to temperature sensor, but since shielded layer is in shield microwaves, microwave is in the screen
Cover on layer and easily to generate vortex, cause shielded layer fever serious, so as to cause temperature sensor be shielded layer self-heating it is dry
It disturbs and can not accurately carry out temperature detection.
Invention content
The main object of the present invention is to propose a kind of temperature measuring equipment and microwave cooking utensil, it is intended to improve temperature measuring equipment micro-
Temperature detecting precision in wave environment.
To achieve the above object, a kind of temperature measuring equipment proposed by the present invention, for microwave cooking utensil, the temperature measuring equipment
Including:
Temperature detector, the first signal wire being electrically connected including temperature detecting head and with the temperature detecting head;
Shielding part is sheathed on the outside of first signal wire, with shield microwaves;
Energy part is let out, is connect with first signal wire and/or the shielding part, and the energy part of letting out is grounded, to export
State the vortex on the first signal wire and/or the shielding part;
Connector is electrically connected with first signal wire, to transmit the detection signal of the temperature detecting head.
Preferably, the energy part of letting out is made of metal material.
Preferably, the energy part of letting out is between first signal wire and the shielding part, and described let out can part package
On the outside of first signal wire.
Preferably, the temperature measuring equipment further includes metal shell, and the temperature detector further includes second signal line, described
Second signal line is electrically connected between the temperature detecting head and first signal wire, and the metal shell is sheathed on described
Temperature detecting head and second signal line outside.
Preferably, the temperature measuring equipment further includes heat-conducting piece, and the heat-conducting piece is set on the metal shell and the temperature
Between detector;
The heat-conducting piece includes the heat conductive silica gel being filled between the metal shell and the temperature detecting head.
Preferably, the temperature measuring equipment further includes flexible steel in flat section tubing, and the flexible steel in flat section tubing is connected to the metal shell
Between the connector, and the flexible steel in flat section tubing package shielding part, described let out can part and first signal wires.
Preferably, the temperature measuring equipment further includes the first conduct piece, and one end of the shielding part is extended to outside the metal
In shell, first conduct piece is located between the shielding part and the metal shell inner wall, to be electrically connected outside the metal
Shell and the shielding part.
Preferably, the material of first conduct piece be metal material, and first conduct piece it is opposite both sides difference
It is bonded with the inner wall of the metal shell and the outer surface of the shielding part, so that first conduct piece, the shielding part
The tight fit between the metal shell inner wall.
Preferably, the temperature detector further includes third signal wire, and the third signal wire is connected to first letter
Number one end of line far from the temperature detecting head;The connector includes metal sleeve and connector, and the connector is located at described
The one end of metal sleeve far from the temperature detecting head, one end of the shielding part are extended in the metal sleeve, the gold
Belong to sleeve to be sheathed on the outside of the third signal wire;
The connector includes the first conductive part and the second conductive part insulated from each other;First conductive part lets out energy with described
Part is electrically connected, and second conductive part is electrically connected for the third signal wire.
Preferably, first conductive part is connect with the metal shell of the microwave cooking utensil.
Preferably, the connector further includes the second conduct piece, and second conduct piece is located in the metal sleeve
Between wall and the shielding part, to be electrically connected the metal sleeve and the shielding part.
Preferably, the material of second conduct piece be metal material, and second conduct piece it is opposite both sides difference
It is bonded with the inner wall of the metal sleeve and the outer surface of the shielding part, so that second conduct piece, the shielding part
The tight fit between the metal sleeve inner wall.
The present invention also proposes a kind of microwave cooking utensil, including microwave cooking apparatus body and the temperature measuring equipment,
The microwave cooking utensil includes metal shell and the microwave cavity in the metal shell, the connection of the temperature measuring equipment
Device is connect with the metal shell.
Preferably, the metal shell is equipped with connecting seat, and the connecting seat is connect with the connector of the temperature measuring equipment;
The connecting seat includes connecting seat ontology and the connecting interface being exposed on the outside of the metal shell, the connection
Seat ontology is electrically connected with the metal shell, and the connecting interface is for the first signal wire electricity of external equipment and the temperature measuring equipment
Connection.
Technical solution of the present invention is by setting shielding part with to the first signal wire of temperature detector progress microwave screen
It covers, microwave environment is avoided to interfere the temperature detector, while energy part is let out in this programme setting, with by shielding part
And/or the vortex generated in microwave environment on first signal wire is released, so that vortex is in shielding part and/or described
It before a large amount of heat is generated on first signal wire, is just rapidly released, is ensured on shielding part and/or first signal wire
Higher temperature will not be generated due to vortex, avoids shielding part and/or first signal wire since own temperature is excessively high, and it is right
The accuracy of detection of the temperature detector impacts, therefore the temperature measuring equipment of technical solution of the present invention has in microwave environment
Higher antijamming capability and detection accuracy.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure diagram of an embodiment of a temperature measuring equipment of the present invention part;
Fig. 2 is the structure diagram at visual angle at A in Fig. 1;
Fig. 3 is the structure diagram of an embodiment of temperature measuring equipment another part of the present invention;
Fig. 4 is Fig. 3 center taps and an example structure schematic diagram of microwave cooking apparatus shell connection structure.
Drawing reference numeral explanation:
Label | Title | Label | Title |
10 | Temperature detecting head | 40 | Connector |
11 | First signal wire | 41 | Metal sleeve |
12 | Second signal line | 42 | Connector |
13 | Third signal wire | 421 | First conductive part |
11a | Electrode line | 422a | First conduction region |
11b | Negative line | 422b | Second conduction region |
20 | Shielding part | 44 | Second protective case |
21 | Letting out can part | 43 | Second conduct piece |
22 | Flexible steel in flat section tubing | 50 | Metal shell |
23 | First conduct piece | 60 | Connecting seat ontology |
24 | First protective case | 61a | First connecting interface |
30 | Metal shell | 61b | Second connecting interface |
31 | Heat-conducting piece |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature." first " is defined as a result, and the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of temperature measuring equipment, and for microwave cooking utensil, the microwave cooking utensil has a microwave cavity,
For accommodating food and microwave heating is carried out to it.Temperature measuring equipment described in this programme is used to detect the temperature of food in microwave cavity
Degree, the temperature measuring equipment can be separately set with the microwave cooking utensil, can also be fixed on the microwave cooking utensil,
It is not specifically limited herein.
Please refer to Fig.1 and Fig. 2, specifically, the temperature measuring equipment include temperature detector, shielding part 20, let out can part 21 with
And connector 40;The first letter that the temperature detector includes temperature detecting head 10 and is electrically connected with the temperature detecting head 10
Number line 11;The shielding part 20 is sheathed on the outside of first signal wire 11, with shield microwaves;The energy part 21 of letting out is (in Fig. 1
Do not show) it is connect with first signal wire 11 and/or the shielding part 20, and the energy part 21 of letting out is grounded, with described in export
Vortex on first signal wire 11 and/or the shielding part 20;The connector 40 is electrically connected with first signal wire 11, with
Transmit the detection signal of the temperature detecting head 10.
In the present solution, the temperature detector detects the temperature of food in microwave cavity by temperature detecting head 10, and pass through
The temperature value is converted into available output signal by first signal wire 11.The form of the temperature detector can be more
Kind, such as thermal resistance class temperature detector or thermocouple class sensor.NTC temperature sensors are preferably used in this programme;NTC temperature
It is a kind of thermistor to spend sensor, and for NTC thermistor under certain measurement power, resistance value is with temperature rise and rapid
Decline, therefore corresponding temperature is determined by measuring the resistance value of NTC thermistor, so as to reach the mesh for detecting and controlling temperature
's;First signal wire 11 has two (electrode line 11a and negative line 11b), respectively with the anode of NTC thermistor and cathode
Connection, first signal wire 11 are additionally operable to power for the NTC thermistor.NTC temperature sensors pass through direct with food
The mode collecting temperature data of contact, data are more accurate.
When microwave cooking utensil at work, there is microwave, microwave can cause to do to the first signal wire 11 in microwave cavity
It disturbs, therefore in order to avoid interference of the microwave to the first signal wire 11, this programme is provided with shielding part 20 and lets out energy part 21, the screen
Shield 20 is used for shield microwaves, and microwave is isolated in the outside of first signal wire 11, since shielding part 20 is metal material
Matter, therefore shielding part 20, in microwave cavity in the electromagnetic environment of alternation, surface produces a large amount of vortex, be largely vortexed into
And larger calorific value can be caused, heat occurs between such shielding part 20 and the first signal wire 11 being wrapped in it to be transmitted, into
And influence the accuracy of the temperature detector detection temperature.This programme is by setting what is be grounded to let out energy part 21, when shielding part 20
And/or when vortex is generated on first signal wire 11, it is described let out can part 21 by being electrically connected the shielding part 20 and/or described
First signal wire 11 and ground, are directed into ground, so that whirlpool by the vortex on first signal wire 11 and/or the shielding part 20
Before stream generates a large amount of heat on shielding part 20 and/or first signal wire 11, just rapidly released, to ensure to shield
Higher temperature will not be generated due to vortex on shield 20 and/or first signal wire 11.Herein it is to be understood that working as institute
It states when being enclosed with insulating layer on the first signal wire 11, the surface of first signal wire 11 hardly generates vortex, and works as institute
When stating the first signal wire 11 as exposed plain conductor, even if there is the protection of shielding part 20, the surface of the first signal wire 11 is still
Certain vortex can be generated.Simultaneously as the energy part 21 of letting out is while vortex is released, it may also be used for the shielding part 20
And/or hot transmission is carried out between first signal wire 11, with to having been generated on shielding part 20 and/or first signal wire 11
Heat distributed, to ensure the harmony of the shielding part 20 and/or 11 surface temperature of the first signal wire.
Technical solution of the present invention is micro- by the way that shielding part 20 is set to carry out with the first signal wire 11 to the temperature detector
Wave screen is covered, and microwave environment is avoided to interfere the temperature detector, while energy part 21 is let out in this programme setting, with by screen
The vortex generated in microwave environment in shield 20 and/or first signal wire 11 is released, so that vortex is in shielding part
20 and/or first signal wire 11 on generate a large amount of heat before, just rapidly released, guarantee shielding part 20 and/or
Higher temperature will not be generated on first signal wire 11 due to vortex, avoids shielding part 20 and/or first signal wire
11 since own temperature is excessively high, and the accuracy of detection of the temperature detector is impacted, therefore technical solution of the present invention
Temperature measuring equipment has higher antijamming capability and detection accuracy in microwave environment.
It is understood that since the energy part 21 of letting out can release to vortex, the material for letting out energy part 21
Matter is conductive material, and the conductor is not limited to metal or graphite etc..Be preferably provided in this programme it is described let out can part 21 by
Metal material is made.Metal material not only has preferable electric conductivity, also with good thermal conductivity.In one embodiment,
It is described let out can part 21 positioned at first signal wire 11 and the shielding part 20 between, and the energy part 21 of letting out is wrapped in described the
One signal wire, 11 outside.The energy part 21 of letting out is preferably aluminium film, and aluminium is a kind of light, and heat conduction is good, flexible metal material, aluminium film
By being wrapped in first signal wire, 11 outside, on the one hand can with 20 collective effect of shielding part, with shield microwaves pair
The interference of first signal wire 11, another aspect aluminium film can contact the first signal wire 11 and the shielding part 20 simultaneously, with
First signal wire 11 and the heat on the shielding part 20 are distributed, prevented on the first signal wire 11 and the shielding part 20
Higher temperature is generated due to heat gathers, influences the accuracy in detection of the temperature sensor.
The shielding part 20 preferably can be copper mesh or aluminium net using metal net, and the metal net is sheathed on
On the outside of first signal wire 11 and the aluminium film, using as first layer shielding protection.The shielding part 20 also can be by with letting out
Heat transfer can be led between part 21, the first signal wire 11, to increase the contact area of the temperature measuring equipment and external environment, to increase
Strong heat dissipation effect, the temperature for preventing the temperature measuring equipment itself is excessively high, and influences the accuracy of detection.
Referring to Fig. 1, further, the temperature measuring equipment is extend into food for convenience, and to detect food temperature, institute
It states temperature measuring equipment and further includes metal shell 30, the temperature detector further includes second signal line 12, the second signal line 12
It is electrically connected between the temperature detecting head 10 and first signal wire 11, the metal shell 30 is sheathed on the temperature
Detector 10 and 12 outside of second signal line.It is understood that first signal wire 11 and second signal line 12 can
To be connection relation, or be wholely set, the metal shell 30 is wrapped in the temperature detecting head 10 and described
12 outside of binary signal line, when in use, the end where the metal shell 30 corresponds to the temperature detecting head 10 extend into food
In object, by the conductive force of metal, the heat of food is sensed, while by the temperature detecting head 10 outside the metal
Shell 30 is also used for shield microwaves, and microwave is avoided to interfere the second signal line 12.
In one embodiment, in order to reduce the volume of the temperature measuring equipment, the metal shell 30 is in strip, the temperature
It spends detector 10 and corresponds to the first end for being located at the metal shell 30, and the first end end of the metal shell 30 is tapered
Shape, in order to which the metal shell 30 is inserted into the food of smaller size smaller, to detect the temperature of the food.
Further, in order to improve the accuracy of 10 sensing temperature of temperature detecting head and sensitivity, the thermometric
Device further includes heat-conducting piece 31, and the heat-conducting piece 31 is set between the metal shell 30 and the temperature detecting head 10;It is described
Heat-conducting piece 31 has preferable heat conductivility, can be rapid by the heat on metal shell 30 and be uniformly directed into the temperature
At detector 10, the material of the heat-conducting piece 31 can be metal, in the present solution, the heat-conducting piece 31 is set to include being filled in institute
State the heat conductive silica gel between metal shell 30 and the temperature detecting head 10.The heat conductive silica gel has good thermal conductivity, and
It does not have electric conductivity, therefore it can be impacted to avoid microwave, while will not be to the electrical property of the temperature detector
It impacts, improves the antijamming capability of the temperature measuring equipment.
Referring to Fig. 2, the temperature measuring equipment further includes flexible steel in flat section tubing 22, the flexible steel in flat section tubing 22 is connected to the gold
Belong between shell 30 and the connector 40, and the flexible steel in flat section tubing 22 wrap up the shielding part 20, it is described let out can part 21 with
And first signal wire 11.Based on above-described embodiment, the metal shell 30 and connector 40 are located in the temperature measuring equipment
Between one section, which is respectively from the inside to the outside the first signal wire 11, let out can part 21, shielding part 20 and flexible steel in flat section tubing 22.
The setting of flexible steel in flat section tubing 22 improves the flexibility of 30 position of metal shell, improves the easy-to-use of the temperature measuring equipment
Property.In the present solution, the flexible steel in flat section tubing 22 is preferably strong using flexibility, and the material of high temperature resistant (300 DEG C or more) is made.
Since the metal shell 30 is in microwave environment, surface can generate vortex, and then can cause metal shell 30
Upper generation more heat transfer, if these heat transfers to the temperature detecting head 10, can be to the detection essence of the temperature detecting head 10
Degree affects greatly, therefore in the present solution, in order to improve the thermometric accuracy of the temperature measuring equipment, the temperature measuring equipment also wraps
The first conduct piece 23 is included, one end of the shielding part 20 is extended in the metal shell 30,23 sandwiched of the first conduct piece
Between 30 inner wall of the shielding part 20 and the metal shell, to be electrically connected the metal shell 30 and the shielding part 20,
Due to the shielding part 20 with it is described let out can part 21 be electrically connected, the vortex on the metal shell 30 can pass through institute
The first conduct piece 23 is stated, and is exported by the energy part 21 of letting out to ground, so as to avoid on metal shell 30 because vortex generation is more
Heat.It should be noted that although the outer layer of the shielding part 20 also one layer of flexible steel in flat section tubing 22, extend into the gold
Belong to the flexible steel in flat section tubing 22 corresponding to the part in shell 30 to be dispelled in advance, so that the metal shell 30 and the shielding part
20 have preferable electrical connection stability.
In the present solution, the material for being preferably provided with first conduct piece 23 is metal material, first conduct piece 23
Structure be it is a variety of, can in the form of sheets, bulk etc..In order to improve the position between fixed metal shell 30 and the shielding part 20,
This programme set and the opposite both sides of first conduct piece 23 respectively with the inner wall of the metal shell 30 and the shielding
The outer surface fitting of part 20, so that close-fitting between 30 inner wall of first fastener, the shielding part 20 and the metal shell
It closes, it is preferable that first conduct piece 23 is metal ring, and the outer surface of the becket is bonded the interior of the metal shell 30
Wall, first signal wire 11, let out can part 21 and shielding part 20 pass through the becket, and the shielding part 20 with it is described
The inner surface fitting of becket.
Further, in order to which the junction of the metal shell 30 and the shielding part 20 is made more to stablize, in the present solution,
The temperature measuring equipment is set to further include the first protective case 24, first protective case 24 is isolation material, such as rubber, plastics
Deng first protective case 24 is set in the junction of the metal shell 30 and the shielding part 20, with to metal shell 30
Fixed and protective effect is played in connection with the shielding part 20.
Fig. 3 and Fig. 4 are please referred to, wherein Fig. 3 and Fig. 1 forms the signal of one complete example structure of this programme temperature measuring equipment
Figure.In the present solution, the connector 40 is used for transmission the detection signal of the temperature detecting head 10, the temperature measuring equipment is being utilized
During thermometric, by the way that the connector 40 is connected in specific detection device or the master control borad of the microwave cooking equipment,
To obtain the specific testing result of the temperature measuring equipment.Specifically, the temperature detector further includes third signal wire 13, described
Third signal wire 13 is connected to the one end of first signal wire 11 far from the temperature detecting head 10;The connector 40 includes
Metal sleeve 41 and connector 42, the connector 42 are located at the one end of the metal sleeve 41 far from the temperature detecting head 10,
One end of the shielding part 20 is extended in the metal sleeve 41, and the metal sleeve 41 is sheathed on the third signal wire 13
Outside with shield microwaves, avoids microwave from interfering third signal wire 13;The connector 42 is led including insulated from each other first
Electric 421 and second conductive part of portion;First conductive part 421 is electrically connected with the energy part 21 of letting out, and second conductive part supplies institute
Third signal wire 13 is stated to be electrically connected.The metal shell 50 of first conductive part 421 and the microwave cooking utensil described in this programme
Connection, it is to be understood that the metal shell 50 of the microwave cooking utensil is ground connection, and the energy part 21 of letting out passes through as a result,
First conductive part 421 is grounded.
It will be appreciated by persons skilled in the art that first signal wire 11, second signal line 12, third signal wire 13
Structure and railway superstructures be identical, three can be wholely set.When the temperature detector is NTC temperature sensing
During device, the third signal wire 13 has two (certain first signal wire, 11/ second signal line 12 is also corresponding with two), point
Not Wei electrode line 11a and negative line 11b, at this time first conductive part 421 be divided to the conduction region insulated from each other for two (first lead
Electric area 422a and the second conduction region 422b), correspondence is connect with the electrode line 11a and negative line 11b respectively.
Further, since the metal sleeve 41 is in microwave environment, surface can generate vortex, and then can cause gold
Belong to 41 surface of sleeve and generate more heat transfer, if these heat transfers to the third signal wire 13, the first signal wire 11, second is believed
Number line 12 or temperature detecting head 10, can affect greatly the accuracy of detection of the temperature detector, therefore in the present solution, be
The thermometric accuracy of the raising temperature measuring equipment, the connector 40 further include the second conduct piece 43, second conduct piece
43 are located between 41 inner wall of metal sleeve and the shielding part 20, to be electrically connected the metal sleeve 41 and the shielding
Part 20.Thus the energy part 21 of letting out is able to be electrically connected with the metal sleeve 41, and the vortex on the metal sleeve 41 passes through institute
State let out can part 21 released.
Based on above-described embodiment, the metal sleeve 41 is electrically connected with the first conductive part 421 of the connector 42, and described
The metal shell 50 of one conductive part 421 and the microwave cooking utensil, it is thus described to let out energy part 21 and the metal sleeve 41
It can be grounded by the metal shell 50, realize and release to vortex.
In the present solution, the material for being preferably provided with second conduct piece 43 is metal material, second conduct piece 43
Structure be it is a variety of, can in the form of sheets, bulk etc..In order to improve the position between fixed metal sleeve 41 and the shielding part 20,
The both sides that this programme sets second conduct piece 43 opposite respectively with the inner wall of the metal sleeve 41 and the shielding part
20 outer surface fitting, so that close-fitting between 41 inner wall of second conduct piece 43, the shielding part 20 and the metal sleeve
It closes, it is preferable that second conduct piece 43 is metal ring, and the outer surface of the becket is bonded in the metal sleeve 41
Wall, the second signal line 12, let out can part 21 and shielding part 20 pass through the becket, and the shielding part 20 with it is described
The inner surface fitting of becket.
Further, in order to which the junction of the metal sleeve 41 and the shielding part 20, connector 42 is made more to stablize, this
In scheme, the temperature measuring equipment is set to further include the second protective case 44, second protective case 44 is isolation material, such as rubber
Glue, plastics etc., second protective case 44 are set in outside metal sleeve 41, and extend to the metal sleeve 41 and the shielding
The junction of part 20, connector 42, to be connect to connection of the metal sleeve 41 with the shielding part 20 and metal sleeve 41 with described
Fixed and protective effect is played in first 42 connection.
From above-described embodiment as can be seen that technical solution of the present invention is by the metal shell 30 being electrically connected to each other, first leads
Electric part 23, shielding part 20, the second conduct piece 43, metal sleeve 41 and microwave cooking utensil metal shell 50, to form one
A shielding case by the temperature detector it is fully wrapped around including, the temperature detector is made not interfered by microwave environment, is carried
The high job stability of temperature detector;The vortex let out energy part 21 and will generated on all parts in above-mentioned shielding case described simultaneously
It is released to ground in time, avoids generating self-heating, therefore this programme further improves the detection of the temperature measuring equipment because of vortex
Accuracy.Finally, heat conductivility is good between each component in above-mentioned shielding case so that due to being vortexed on a certain component
The heat of generation heat can be transmitted in other component in time, avoid heat accumulation on the component excessive, so as to the temperature
The detection of detector accurately impacts.
The present invention also proposes a kind of microwave cooking utensil, the microwave cooking utensil include microwave cooking apparatus body and
The temperature measuring equipment, the microwave cooking utensil include metal shell 50 and the microwave in the metal shell 50
Chamber, the connector 40 of the temperature measuring equipment are connect with the metal shell 50.In one embodiment, it is opened on the metal shell 50
If for housing the through-hole of the connector 40 of the temperature measuring equipment.Concrete structure reference above-described embodiment of the temperature measuring equipment, by
Whole technical solutions of above-mentioned all embodiments are employed in this microwave cooking utensil, therefore at least there is the skill of above-described embodiment
All advantageous effects caused by art scheme, this is no longer going to repeat them.The microwave cooking utensil can be micro-wave oven, microwave
Oven, microwave rice cooker etc..
Fig. 3 and Fig. 4 are please referred to, is more adapted to the metal shell 50 for the ease of the temperature measuring equipment and convenient
It connects, the metal shell 50 is set to be equipped with connecting seat, the connector of the connecting seat and the temperature measuring equipment in this programme
40 connections;The connecting seat includes connecting seat ontology 60 and the connecting interface for being exposed to 50 outside of metal shell, described
Connecting seat ontology 60 is electrically connected with the metal shell 50, and the connecting interface is for external equipment and the first of the temperature measuring equipment
Signal wire 11 is electrically connected.
Specifically, the connecting seat has the jack being inserted into for 40 plug of connector, the connecting seat ontology 60 is
Conductor, and first signal wire 11 has independent electrode line 11a and negative line 11b, the connecting interface includes first and connects
Connection interface 61a and the second connecting interface 61b, when the connector 40 is inserted into the connecting seat jack, the connector
40 the first conductive part 421 is contacted with the connecting seat ontology 60, and the two realizes electrical connection, and the second of the connector 40 is conductive
Portion includes the first conduction region 422a and the second conduction region 422b, and corresponding connect with the first connecting interface 61a and second connects respectively
Mouth 61b electrical connections.It is realized and insulated by insulation division between the first connecting interface 61a and the second connecting interface 61b.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
The equivalent structure transformation made under the inventive concept of invention using description of the invention and accompanying drawing content or directly/utilization indirectly
It is included in the scope of patent protection of the present invention in other related technical areas.
Claims (14)
1. a kind of temperature measuring equipment, for microwave cooking utensil, which is characterized in that the temperature measuring equipment includes:
Temperature detector, the first signal wire being electrically connected including temperature detecting head and with the temperature detecting head;
Shielding part is sheathed on the outside of first signal wire, with shield microwaves;
Let out can part, connect with first signal wire and/or the shielding part, and it is described let out can part be grounded, to export described the
Vortex on one signal wire and/or the shielding part;
Connector is electrically connected with first signal wire, to transmit the detection signal of the temperature detecting head.
2. temperature measuring equipment as described in claim 1, which is characterized in that the energy part of letting out is made of metal material.
3. temperature measuring equipment as claimed in claim 2, which is characterized in that it is described let out can part be located at first signal wire with it is described
Between shielding part, and the energy part of letting out is wrapped on the outside of first signal wire.
4. temperature measuring equipment as described in claim 1, which is characterized in that the temperature measuring equipment further includes metal shell, the temperature
Degree detector further includes second signal line, and the second signal line is electrically connected to the temperature detecting head and first signal
Between line, the metal shell is sheathed on the temperature detecting head and second signal line outside.
5. temperature measuring equipment as claimed in claim 4, which is characterized in that the temperature measuring equipment further includes heat-conducting piece, the heat conduction
Part is set between the metal shell and the temperature detecting head;
The heat-conducting piece includes the heat conductive silica gel being filled between the metal shell and the temperature detecting head.
6. temperature measuring equipment as claimed in claim 4, which is characterized in that the temperature measuring equipment further includes flexible steel in flat section tubing, described
Flexible steel in flat section tubing is connected between the metal shell and the connector, and the flexible steel in flat section tubing package shielding part,
Described let out can part and first signal wire.
7. temperature measuring equipment as claimed in claim 4, which is characterized in that the temperature measuring equipment further includes the first conduct piece, described
One end of shielding part is extended in the metal shell, and first conduct piece is located in the shielding part and the metal shell
Between inner wall, to be electrically connected the metal shell and the shielding part.
8. temperature measuring equipment as claimed in claim 7, which is characterized in that the material of first conduct piece is metal material, and
Outer surface of the opposite both sides of first conduct piece respectively with the inner wall of the metal shell and the shielding part is bonded, with
Make tight fit between first conduct piece, the shielding part and the metal shell inner wall.
9. the temperature measuring equipment as described in claim 1 to 8 any one, which is characterized in that the temperature detector further includes
Three signal wires, the third signal wire are connected to the described one end of first signal wire far from the temperature detecting head;The connection
Device includes metal sleeve and connector, and the connector is located at the one end of the metal sleeve far from the temperature detecting head, described
One end of shielding part is extended in the metal sleeve, and the metal sleeve is sheathed on the outside of the third signal wire;
The connector includes the first conductive part and the second conductive part insulated from each other;First conductive part can part electricity with described let out
Connection, second conductive part are electrically connected for the third signal wire.
10. temperature measuring equipment as claimed in claim 9, which is characterized in that first conductive part and the microwave cooking utensil
Metal shell connection.
11. temperature measuring equipment as claimed in claim 9, which is characterized in that the connector further includes the second conduct piece, and described
Two conduct pieces are located between the metal sleeve inner wall and the shielding part, to be electrically connected the metal sleeve and the shielding
Part.
12. temperature measuring equipment as claimed in claim 11, which is characterized in that the material of second conduct piece is metal material,
And outer surface of the opposite both sides of second conduct piece respectively with the inner wall of the metal sleeve and the shielding part is bonded,
So that tight fit between second conduct piece, the shielding part and the metal sleeve inner wall.
13. a kind of microwave cooking utensil, which is characterized in that including microwave cooking apparatus body and such as claim 1 to 12 times
Temperature measuring equipment described in meaning one, the microwave cooking utensil include metal shell and the microwave in the metal shell
Chamber, the connector of the temperature measuring equipment are connect with the metal shell.
14. microwave cooking utensil as claimed in claim 13, which is characterized in that the metal shell is equipped with connecting seat, institute
The connector that connecting seat is stated with the temperature measuring equipment is connect;
The connecting seat includes connecting seat ontology and the connecting interface being exposed on the outside of the metal shell, the connecting seat sheet
Body is electrically connected with the metal shell, and the connecting interface is electrically connected for the first signal wire of external equipment and the temperature measuring equipment
It connects.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201810274735.1A CN108261050B (en) | 2018-03-29 | 2018-03-29 | Temperature measuring device and microwave cooking utensil |
PCT/CN2018/122183 WO2019184467A1 (en) | 2018-03-29 | 2018-12-19 | Temperature measuring device and microwave cooking appliance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810274735.1A CN108261050B (en) | 2018-03-29 | 2018-03-29 | Temperature measuring device and microwave cooking utensil |
Publications (2)
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CN108261050A true CN108261050A (en) | 2018-07-10 |
CN108261050B CN108261050B (en) | 2023-10-31 |
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CN201810274735.1A Active CN108261050B (en) | 2018-03-29 | 2018-03-29 | Temperature measuring device and microwave cooking utensil |
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WO (1) | WO2019184467A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109813463A (en) * | 2019-03-20 | 2019-05-28 | 桂林市思奇通信设备有限公司 | Contact temperature-measuring device and its usage mode based on microwave heating equipment setting |
WO2019184467A1 (en) * | 2018-03-29 | 2019-10-03 | 广东美的厨房电器制造有限公司 | Temperature measuring device and microwave cooking appliance |
WO2023216741A1 (en) * | 2022-05-13 | 2023-11-16 | 海南摩尔兄弟科技有限公司 | Heating assembly and microwave heating device |
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CN108261050B (en) * | 2018-03-29 | 2023-10-31 | 广东美的厨房电器制造有限公司 | Temperature measuring device and microwave cooking utensil |
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WO2023216741A1 (en) * | 2022-05-13 | 2023-11-16 | 海南摩尔兄弟科技有限公司 | Heating assembly and microwave heating device |
Also Published As
Publication number | Publication date |
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WO2019184467A1 (en) | 2019-10-03 |
CN108261050B (en) | 2023-10-31 |
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