CN112525370A - Temperature sensor of steam electric cooker and production method thereof - Google Patents
Temperature sensor of steam electric cooker and production method thereof Download PDFInfo
- Publication number
- CN112525370A CN112525370A CN202011418388.9A CN202011418388A CN112525370A CN 112525370 A CN112525370 A CN 112525370A CN 202011418388 A CN202011418388 A CN 202011418388A CN 112525370 A CN112525370 A CN 112525370A
- Authority
- CN
- China
- Prior art keywords
- side wall
- shell
- outer side
- temperature sensor
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000010345 tape casting Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 241000209094 Oryza Species 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a temperature sensor of a steam electric cooker and a production method thereof, which comprises an aluminum cover, wherein the outer side wall of the aluminum cover is sleeved with a fourth shell, the inner bottom wall of the aluminum cover is bonded with a first heat-conducting rubber pad, the bottom of the first heat-conducting rubber pad is bonded with a fifth shell, the outer side wall of the fifth shell is connected with the inner side wall of the aluminum cover in a sliding way, and the first rubber ring and the second rubber ring are arranged, so that the temperature sensor has better waterproof effect, prevents water from entering the fourth shell, solves the problems of poor insulating sealing property and inconvenient installation, reduces the influence on precision, adopts a tape casting method to form a thin tape, adopts a precision scribing sheet to cut and process a chip by using a full-automatic micro scribing machine, adopts a high-precision constant-temperature oil groove to control to +/-0.01 ℃, and is matched with a universal resistance test adopting an electric bridge circuit to effectively ensure the test precision of a product, the accuracy of the temperature sensor is further improved.
Description
Technical Field
The invention relates to the technical field of temperature sensors, in particular to a temperature sensor of a steam electric cooker and a production method thereof.
Background
The temperature sensor of the electric cooker is used for measuring the temperature of an inner pot of the electric cooker, and reliable heating state conversion and overheating protection are realized through reliable measurement of the temperature; the temperature sensor of the electric cooker in the prior art is used for directly bonding the thermistor on the aluminum shell and conducting heat to the thermistor through the aluminum shell so as to realize the temperature measurement of the thermistor. The insulating sealing performance of the existing temperature sensor is poor, the problem of inconvenience in installation is solved, and the precision is affected to a certain degree, so that the electric rice cooker is abnormal in use due to the influence of temperature sensing, the insulating sealing performance is poor, the influence of water vapor can be caused, and the short circuit phenomenon is caused.
Disclosure of Invention
The invention aims to provide a temperature sensor of a steam electric cooker and a production method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a steam rice cooker temperature sensor comprises an aluminum cover, wherein a fourth shell is sleeved on the outer side wall of the aluminum cover, a first heat-conducting rubber pad is bonded on the inner bottom wall of the aluminum cover, a fifth shell is bonded on the bottom of the first heat-conducting rubber pad, the outer side wall of the fifth shell is in sliding connection with the inner side wall of the aluminum cover, a second heat-conducting rubber pad is bonded on the inner top wall of the fifth shell, a thermistor is bonded on the bottom of the second heat-conducting rubber pad, two connecting rods are symmetrically welded on the outer side wall of the thermistor, a wire is welded at one end of each of the two connecting rods, a connecting terminal is fixedly connected at one end of the wire, a first rod body is fixedly connected on the outer side wall of the thermistor, a second connecting pipe is welded on the inner side wall of the fifth shell, a second shell is in threaded connection with the outer side wall of the second connecting pipe, and a first, the lateral wall threaded connection of first connecting pipe has the third casing, the inside wall threaded connection of fourth casing has first rubber circle, the bottom of first rubber circle bonds and has the third rubber pad, the inside wall of third rubber pad with the inside wall sliding connection of second rubber pad, the inside wall symmetry of fifth casing bonds and has two first rubber blocks, two the lateral wall of first rubber block all with thermistor's lateral wall bonds, two first body of rod of thermistor's lateral wall fixedly connected with, thermistor's lateral wall fixedly connected with temperature fuse.
As further preferable in the present technical solution: and the inner side wall of the third rubber pad is in threaded connection with a second rubber pad, and the inner side wall of the second rubber pad is in sliding connection with the outer side wall of the lead.
As further preferable in the present technical solution: the top welding of fourth casing has first casing, the inside wall of first casing with the lateral wall sliding connection of aluminium lid, the lateral wall symmetrical weld of aluminium lid has two second sliders, two the equal sliding connection of lateral wall of second slider in the inside wall of first casing.
As further preferable in the present technical solution: the inner side wall of the first shell is located below the second sliding block, a first rubber pad is bonded to the lower portion of the first shell, a first spring is welded to the lower portion of the second sliding block, and one end of the first spring is welded to the upper surface of the first rubber pad.
As further preferable in the present technical solution: and a second rubber ring is bonded at the bottom of the aluminum cover, and the outer side wall of the second rubber ring is in sliding connection with the inner side wall of the fourth shell.
As further preferable in the present technical solution: two chutes are symmetrically formed in the inner side wall of the fourth shell, two first sliding blocks are symmetrically welded to the outer side wall of the second shell, and the outer side walls of the two first sliding blocks are respectively connected to the inner side walls of the two chutes in a sliding mode.
As further preferable in the present technical solution: the inside wall symmetrical welding of second casing has two sleeves, two the equal sliding connection of sheathed tube inside wall has the second body of rod, the second spring has been cup jointed to the lateral wall of the second body of rod, sheathed tube inside wall bonds and has the second block rubber, the one end welding of the second body of rod has the annular plate, the inside wall bonding of annular plate has the third rubber circle, the inside wall of third rubber circle with the lateral wall sliding connection of wire.
The invention also provides a production method of the temperature sensor of the steam electric cooker, which comprises the following steps:
s1, preparing raw materials, proportioning the raw materials by using high-purity materials, then performing ball milling, further refining the fineness of the raw materials, mixing the raw materials by adopting a secondary rolling and mixing process, adding a dispersing agent during primary rolling, rolling for 18 hours, adding a colloid and a plasticizer, and continuing rolling for 24 hours;
s2, tape casting is adopted for tape forming, the thickness of a single-layer thin tape is controlled within the range of 0.02 mm-0.08 mm, the thickness tolerance is controlled within the range of +/-0.002 mm, high-temperature sintering is carried out, an electrode layer is printed, precision scribing is carried out, a chip is cut and processed by a full-automatic micro scribing machine, the precision of the chip is controlled within the range of +/-0.002 mm, a high-precision NTC chip shell is obtained through sorting, the scribing size is defined in the mode of measuring the resistance of a silver sheet, and the scribing size is defined through a comparison method;
s3, upgrading and developing the original manual processes of wire cutting, copper strip beating, sleeve bending and glue dispensing into automatic equipment, and continuously and automatically completing operation;
s4, welding and encapsulating the NTC chip shell, the NTC chip and the rest parts together to complete the assembly of the inner part and the outer part of the temperature sensor;
s5, controlling the temperature of the high-precision constant-temperature oil groove to +/-0.01 ℃, effectively ensuring the test precision of the product by matching with a universal resistance test adopting a bridge circuit, and carrying out choice quality inspection on the temperature sensor;
and S6, packaging the selected temperature sensors and storing the temperature sensors in stock.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the first rubber ring and the second rubber ring, the waterproof effect is better, moisture is prevented from entering the fourth shell, the problems of poor insulation sealing property and inconvenience in installation are solved, the influence on precision is reduced, tape casting is adopted for forming, a full-automatic micro-scribing machine is adopted for cutting and processing a chip by using a precision scribing sheet, the temperature control reaches +/-0.01 ℃ through using a high-precision constant-temperature oil groove, the testing precision of a product is effectively ensured by matching with universal resistance testing by using a bridge circuit, and the precision of the temperature sensor is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of a fifth housing according to the present invention;
FIG. 3 is a cross-sectional view of a third rubber pad of the present invention;
fig. 4 is a schematic view of the internal structure of the bushing of the present invention.
In the figure: 1. an aluminum cover; 2. a first thermally conductive rubber pad; 3. a first housing; 4. a first spring; 5. a first rubber pad; 6. a second housing; 7. a first slider; 8. a chute; 9. a third housing; 10. a second rubber pad; 11. a wiring terminal; 12. a wire; 13. a third rubber pad; 14. a first rubber ring; 15. a second rubber ring; 16. a fourth housing; 17. a second slider; 18. a fifth housing; 19. a first rubber block; 20. a first rod body; 21. a third rubber ring; 22. an annular plate; 23. a first connecting pipe; 24. a sleeve; 25. a second connecting pipe; 27. a temperature fuse; 28. a connecting rod; 29. a thermistor; 30. a second thermally conductive rubber pad; 31. a second rubber block; 32. a second spring; 33. a second rod body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a steam rice cooker temperature sensor comprises an aluminum cover 1, a fourth shell 16 is sleeved on the outer side wall of the aluminum cover 1, a first heat-conducting rubber pad 2 is bonded on the inner bottom wall of the aluminum cover 1, a fifth shell 18 is bonded on the bottom of the first heat-conducting rubber pad 2, the outer side wall of the fifth shell 18 is in sliding connection with the inner side wall of the aluminum cover 1, a second heat-conducting rubber pad 30 is bonded on the inner top wall of the fifth shell 18, a thermistor 29 is bonded on the bottom of the second heat-conducting rubber pad 30, two connecting rods 28 are symmetrically welded on the outer side wall of the thermistor 29, a lead 12 is welded at one end of each of the two connecting rods 28, a connecting terminal 11 is fixedly connected at one end of the lead 12, a first rod body 20 is fixedly connected on the outer side wall of the thermistor 29, a second connecting pipe 25 is welded on the inner side wall of the fifth shell 18, a second shell 6 is in threaded connection with the outer side, the lateral wall threaded connection of first connecting pipe 23 has third casing 9, the inside wall threaded connection of fourth casing 16 has first rubber circle 14, the bottom of first rubber circle 14 bonds and has third rubber pad 13, the inside wall of third rubber pad 13 and the inside wall sliding connection of second rubber pad 10, the inside wall symmetry of fifth casing 18 bonds and has two first rubber blocks 19, the lateral wall of two first rubber blocks 19 all bonds with thermistor 29's lateral wall, two first body of rod 20 of thermistor 29's lateral wall fixedly connected with, thermistor 29's lateral wall fixedly connected with temperature fuse 27.
In this embodiment, specifically: the inner side wall of the third rubber pad 13 is in threaded connection with the second rubber pad 10, and the inner side wall of the second rubber pad 10 is in sliding connection with the outer side wall of the lead 12; the third rubber pad 13 plays a role of waterproofing the fourth housing 16, and the second rubber pad 10 plays a role of fixing the position of the lead 12.
In this embodiment, specifically: the top of the fourth shell 16 is welded with the first shell 3, the inner side wall of the first shell 3 is connected with the outer side wall of the aluminum cover 1 in a sliding manner, the outer side wall of the aluminum cover 1 is symmetrically welded with two second sliding blocks 17, and the outer side walls of the two second sliding blocks 17 are both connected with the inner side wall of the first shell 3 in a sliding manner; the second slider 17 slides in the first housing 3, so that the movement of the aluminum cover 1 is smooth and does not rotate, and the wire 12 is protected.
In this embodiment, specifically: a first rubber pad 5 is bonded on the inner side wall of the first shell 3 and below the second sliding block 17, a first spring 4 is welded below the second sliding block 17, and one end of the first spring 4 is welded with the upper surface of the first rubber pad 5; the second slider 17 presses the first spring 4 and the first rubber pad 5 downward when the aluminum cap 1 moves, limiting the movement of the aluminum cap 1, thereby protecting the internal components.
In this embodiment, specifically: a second rubber ring 15 is bonded at the bottom of the aluminum cover 1, and the outer side wall of the second rubber ring 15 is in sliding connection with the inner side wall of a fourth shell 16; the second rubber ring 15 has a buffering effect on the movement of the first aluminum cover 1, has a good waterproof effect, and prevents moisture from entering the fourth shell 16.
In this embodiment, specifically: the inner side wall of the fourth shell 16 is symmetrically provided with two sliding chutes 8, the outer side wall of the second shell 6 is symmetrically welded with two first sliding blocks 7, and the outer side walls of the two first sliding blocks 7 are respectively connected to the inner side walls of the two sliding chutes 8 in a sliding manner; the first sliding block 7 slides in the sliding groove 8, and can limit the rotation of the third shell 9, so that the third shell cannot drive the second shell 6 to rotate.
In this embodiment, specifically: two sleeves 24 are symmetrically welded on the inner side wall of the second shell 6, the inner side walls of the two sleeves 24 are both connected with a second rod body 33 in a sliding mode, a second spring 32 is sleeved on the outer side wall of the second rod body 33, a second rubber block 31 is bonded on the inner side wall of the sleeve 24, an annular plate 22 is welded at one end of the second rod body 33, a third rubber ring 21 is bonded on the inner side wall of the annular plate 22, and the inner side wall of the third rubber ring 21 is connected with the outer side wall of the lead 12 in a sliding mode; when the lead 12 shakes, the annular plate 22 is driven to slide, the annular plate 22 drives the second rod body 33 to slide in the sleeve 24, and the annular plate 22 is buffered through the second rubber block 31 and the second spring 32.
The invention also provides a production method of the temperature sensor of the steam electric cooker, which comprises the following steps:
s1, preparing raw materials, proportioning the raw materials by using high-purity materials, then performing ball milling, further refining the fineness of the raw materials, mixing the raw materials by adopting a secondary material rolling and mixing process to prevent powder from being not fine and uniform due to powder agglomeration, adding a dispersing agent during primary material rolling, rolling for 18 hours, and then adding a colloid and a plasticizer to continue to roll for 24 hours;
s2, tape casting is adopted for tape forming, the thickness of a single-layer thin tape is controlled to be 0.04mm, the thickness tolerance is controlled to be +/-0.002 mm, high-temperature sintering is carried out, an electrode layer is printed, precision scribing is carried out, the precision scribing adopts a full-automatic micro scribing machine to cut and process chips, the precision is controlled to be +/-0.002 mm, high-precision NTC chip shells are obtained through sorting, the scribing size is defined in a mode of measuring the resistance value of a silver sheet, and the scribing size is defined through a comparison method;
s3, upgrading and developing the original manual processes of wire cutting, copper strip beating, sleeve bending and glue dispensing into automatic equipment, and continuously and automatically completing operation;
s4, welding and encapsulating the NTC chip shell, the NTC chip and the rest parts together to complete the assembly of the inner part and the outer part of the temperature sensor;
s5, controlling the temperature of the high-precision constant-temperature oil groove to +/-0.01 ℃, effectively ensuring the test precision of the product by matching with a universal resistance test adopting a bridge circuit, and carrying out choice quality inspection on the temperature sensor;
and S6, packaging the selected temperature sensors and storing the temperature sensors in stock.
When the heat-absorbing and heat-conducting solar battery is used, the aluminum cover 1 absorbs heat, the first heat-conducting rubber pad 2 conducts heat to the fifth shell 18, the second heat-conducting rubber pad 30 conducts heat to the thermistor 29, and the thermistor 29 is connected with an external processor through the wire 12 and the wiring terminal 11 to obtain temperature; the third rubber pad 13 plays a role in waterproofing the fourth shell 16, the second rubber pad 10 plays a role in fixing the position of the lead 12, the second sliding block 17 slides in the first shell 3, so that the movement of the aluminum cover 1 is stable and can not rotate, the lead 12 is protected, the second sliding block downwards extrudes the first spring 4 and the first rubber pad 5 when the aluminum cover 1 moves 17, the movement of the aluminum cover 1 is limited, thereby protecting the internal components, the second rubber ring 15 plays a role in buffering the movement of the first aluminum cover 1, and has a good waterproof effect, so as to prevent moisture from entering the fourth shell 16, when the lead 12 shakes, the annular plate 22 is driven to slide, the annular plate 22 drives the second rod 33 to slide in the sleeve 24, and buffers the annular plate 22 through the second rubber block 31 and the second spring 32, the first sliding block 7 slides in the chute 8, the rotation of the third housing 9 can be restricted so that it cannot drive the second housing 6 to rotate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a steam rice cooker temperature sensor, includes aluminium lid (1), its characterized in that: the outer side wall of the aluminum cover (1) is sleeved with a fourth shell (16), the inner bottom wall of the aluminum cover (1) is bonded with a first heat-conducting rubber mat (2), the bottom of the first heat-conducting rubber mat (2) is bonded with a fifth shell (18), the outer side wall of the fifth shell (18) is in sliding connection with the inner side wall of the aluminum cover (1), the inner top wall of the fifth shell (18) is bonded with a second heat-conducting rubber mat (30), the bottom of the second heat-conducting rubber mat (30) is bonded with a thermistor (29), the outer side wall of the thermistor (29) is symmetrically welded with two connecting rods (28), one end of each connecting rod (28) is welded with a wire (12), one end of each wire (12) is fixedly connected with a wiring terminal (11), the outer side wall of the thermistor (29) is fixedly connected with a first rod body (20), the inner side wall of the fifth shell (18) is welded with a second connecting pipe (25), the outer side wall of the second connecting pipe (25) is in threaded connection with a second shell (6), a first connecting pipe (23) is welded on the inner side wall of the second shell (6), the outer side wall of the first connecting pipe (23) is in threaded connection with a third shell (9), the inner side wall of the fourth shell (16) is in threaded connection with a first rubber ring (14), a third rubber pad (13) is bonded at the bottom of the first rubber ring (14), the inner side wall of the third rubber pad (13) is in sliding connection with the inner side wall of the second rubber pad (10), two first rubber blocks (19) are symmetrically bonded on the inner side wall of the fifth shell (18), the outer side walls of the two first rubber blocks (19) are bonded with the outer side wall of the thermistor (29), the outer side wall of the thermistor (29) is fixedly connected with two first rod bodies (20), the outer side wall of the thermistor (29) is fixedly connected with a temperature fuse (27).
2. The temperature sensor of the steam electric cooker as claimed in claim 1, wherein: the inner side wall of the third rubber pad (13) is in threaded connection with a second rubber pad (10), and the inner side wall of the second rubber pad (10) is in sliding connection with the outer side wall of the lead (12).
3. The temperature sensor of the steam electric cooker as claimed in claim 1, wherein: the welding of the top of fourth casing (16) has first casing (3), the inside wall of first casing (3) with the lateral wall sliding connection of aluminium lid (1), the lateral wall symmetrical welding of aluminium lid (1) has two second slider (17), two the equal sliding connection of lateral wall of second slider (17) in the inside wall of first casing (3).
4. The temperature sensor of the steam electric cooker as claimed in claim 3, wherein: the inner side wall of the first shell (3) is located below the second sliding block (17) and is bonded with a first rubber pad (5), a first spring (4) is welded below the second sliding block (17), and one end of the first spring (4) is welded with the upper surface of the first rubber pad (5).
5. The temperature sensor of the steam electric cooker as claimed in claim 1, wherein: the bottom of the aluminum cover (1) is bonded with a second rubber ring (15), and the outer side wall of the second rubber ring (15) is in sliding connection with the inner side wall of the fourth shell (16).
6. The temperature sensor of the steam electric cooker as claimed in claim 1, wherein: two sliding grooves (8) are symmetrically formed in the inner side wall of the fourth shell (16), two first sliding blocks (7) are symmetrically welded to the outer side wall of the second shell (6), and the outer side walls of the first sliding blocks (7) are respectively connected to the inner side walls of the two sliding grooves (8) in a sliding mode.
7. The temperature sensor of the steam electric cooker as claimed in claim 1, wherein: the inside wall symmetrical welding of second casing (6) has two sleeve pipes (24), two the equal sliding connection of inside wall of sleeve pipe (24) has the second body of rod (33), second spring (32) have been cup jointed to the outside wall of the second body of rod (33), the inside wall bonding of sleeve pipe (24) has second block rubber (31), the one end welding of the second body of rod (33) has annular plate (22), the inside wall bonding of annular plate (22) has third rubber circle (21), the inside wall of third rubber circle (21) with the outside wall sliding connection of wire (12).
8. A production method of a temperature sensor of a steam electric cooker is characterized by comprising the following steps:
s1, preparing raw materials, proportioning the raw materials by using high-purity materials, then performing ball milling, further refining the fineness of the raw materials, mixing the raw materials by adopting a secondary rolling and mixing process, adding a dispersing agent during primary rolling, rolling for 18 hours, adding a colloid and a plasticizer, and continuing rolling for 24 hours;
s2, tape casting is adopted for tape forming, the thickness of a single-layer thin tape is controlled within the range of 0.02 mm-0.08 mm, the thickness tolerance is controlled within the range of +/-0.002 mm, high-temperature sintering is carried out, an electrode layer is printed, precision scribing is carried out, a chip is cut and processed by a full-automatic micro scribing machine, the precision of the chip is controlled within the range of +/-0.002 mm, a high-precision NTC chip shell is obtained through sorting, the scribing size is defined in the mode of measuring the resistance of a silver sheet, and the scribing size is defined through a comparison method;
s3, upgrading and developing the original manual processes of wire cutting, copper strip beating, sleeve bending and glue dispensing into automatic equipment, and continuously and automatically completing operation;
s4, welding and encapsulating the NTC chip shell, the NTC chip and the rest parts together to complete the assembly of the inner part and the outer part of the temperature sensor;
s5, controlling the temperature of the high-precision constant-temperature oil groove to +/-0.01 ℃, effectively ensuring the test precision of the product by matching with a universal resistance test adopting a bridge circuit, and carrying out choice quality inspection on the temperature sensor;
and S6, packaging the selected temperature sensors and storing the temperature sensors in stock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418388.9A CN112525370A (en) | 2020-12-07 | 2020-12-07 | Temperature sensor of steam electric cooker and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418388.9A CN112525370A (en) | 2020-12-07 | 2020-12-07 | Temperature sensor of steam electric cooker and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112525370A true CN112525370A (en) | 2021-03-19 |
Family
ID=74998475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011418388.9A Pending CN112525370A (en) | 2020-12-07 | 2020-12-07 | Temperature sensor of steam electric cooker and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112525370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532677A (en) * | 2021-08-23 | 2021-10-22 | 广东福尔电子有限公司 | Insulating type electric pot temperature sensor detection device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202041866U (en) * | 2011-04-29 | 2011-11-16 | 佛山市顺德区美的电热电器制造有限公司 | Temperature controller with good insulation property |
| CN102288320A (en) * | 2011-07-22 | 2011-12-21 | 肇庆爱晟电子科技有限公司 | Metal-sheet-based negative temperature coefficient (NTC) thermistor temperature sensor and manufacturing method thereof |
| CN102682943A (en) * | 2012-06-04 | 2012-09-19 | 句容市博远电子有限公司 | Method for producing medical high-precision negative temperature coefficient (NTC) thermosensitive resistors |
| CN202547820U (en) * | 2012-03-02 | 2012-11-21 | 恒新基电子（青岛）有限公司 | Screw type temperature sensor |
| CN104051095A (en) * | 2014-06-30 | 2014-09-17 | 句容市博远电子有限公司 | Four-component system thermistor material with titanium oxide |
| CN205625574U (en) * | 2016-03-07 | 2016-10-12 | 句容市博远电子有限公司 | Temperature control element |
| CN207477384U (en) * | 2017-05-26 | 2018-06-12 | 佛山市顺德区美的电热电器制造有限公司 | Temperature controller and electric cooking utensil |
| CN209172063U (en) * | 2018-05-22 | 2019-07-30 | 浙江绍兴苏泊尔生活电器有限公司 | Food processor and temperature measurement component thereof |
| CN209342259U (en) * | 2018-12-25 | 2019-09-03 | 湖南昌能仪表有限公司 | A kind of sensor with sealing structure |
| CN209387159U (en) * | 2019-01-24 | 2019-09-13 | 姚伟侨 | A kind of anti-corrosion water temperature sensor |
| CN210446741U (en) * | 2019-04-28 | 2020-05-05 | 孝感华工高理电子有限公司 | Electric rice cooker upper cover temperature sensor and electric rice cooker |
| CN211121672U (en) * | 2019-09-11 | 2020-07-28 | 广东万诺传感技术有限公司 | Waterproof temperature sensor |
-
2020
- 2020-12-07 CN CN202011418388.9A patent/CN112525370A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202041866U (en) * | 2011-04-29 | 2011-11-16 | 佛山市顺德区美的电热电器制造有限公司 | Temperature controller with good insulation property |
| CN102288320A (en) * | 2011-07-22 | 2011-12-21 | 肇庆爱晟电子科技有限公司 | Metal-sheet-based negative temperature coefficient (NTC) thermistor temperature sensor and manufacturing method thereof |
| CN202547820U (en) * | 2012-03-02 | 2012-11-21 | 恒新基电子（青岛）有限公司 | Screw type temperature sensor |
| CN102682943A (en) * | 2012-06-04 | 2012-09-19 | 句容市博远电子有限公司 | Method for producing medical high-precision negative temperature coefficient (NTC) thermosensitive resistors |
| CN104051095A (en) * | 2014-06-30 | 2014-09-17 | 句容市博远电子有限公司 | Four-component system thermistor material with titanium oxide |
| CN205625574U (en) * | 2016-03-07 | 2016-10-12 | 句容市博远电子有限公司 | Temperature control element |
| CN207477384U (en) * | 2017-05-26 | 2018-06-12 | 佛山市顺德区美的电热电器制造有限公司 | Temperature controller and electric cooking utensil |
| CN209172063U (en) * | 2018-05-22 | 2019-07-30 | 浙江绍兴苏泊尔生活电器有限公司 | Food processor and temperature measurement component thereof |
| CN209342259U (en) * | 2018-12-25 | 2019-09-03 | 湖南昌能仪表有限公司 | A kind of sensor with sealing structure |
| CN209387159U (en) * | 2019-01-24 | 2019-09-13 | 姚伟侨 | A kind of anti-corrosion water temperature sensor |
| CN210446741U (en) * | 2019-04-28 | 2020-05-05 | 孝感华工高理电子有限公司 | Electric rice cooker upper cover temperature sensor and electric rice cooker |
| CN211121672U (en) * | 2019-09-11 | 2020-07-28 | 广东万诺传感技术有限公司 | Waterproof temperature sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532677A (en) * | 2021-08-23 | 2021-10-22 | 广东福尔电子有限公司 | Insulating type electric pot temperature sensor detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202720070U (en) | High-stability and rapid NTC temperature sensor | |
| CN102288320B (en) | Manufacturing method of metal-sheet-based negative temperature coefficient (NTC) thermistor temperature sensor | |
| WO2017114085A1 (en) | High-temperature-resistance quick-response thermistor, and temperature sensor made by using same | |
| WO2002095783A1 (en) | Thermal fuse | |
| CN203480336U (en) | A temperature controller using novel temperature acquisition technology | |
| CN112525370A (en) | Temperature sensor of steam electric cooker and production method thereof | |
| CN102288321A (en) | Glass sintered and packaged metal probe quick response temperature sensor and manufacturing method thereof | |
| CN108387322A (en) | A kind of thermocouple and preparation method thereof for titanium investment casting melt thermometric | |
| CN104769402B (en) | Temperature sensor system and method for processing temperature sensing system | |
| CN105606247B (en) | A kind of thermistor and its manufactured temperature sensor of high temperature resistant quick response | |
| CN207937077U (en) | One kind being carried out continuously pyrometric anti-oxidation tungsten-rhenium thermo couple in an oxidizing environment | |
| CN105957853B (en) | A kind of rectifier bridge welding structure and its manufacture craft | |
| CN206161183U (en) | A temperature sensor for automobile engine | |
| CN104167269A (en) | Quick-response temperature-sensitive chip and manufacturing method thereof | |
| CN105300549B (en) | A kind of surface contact quick response temperature sensor and preparation method thereof | |
| CN109540322B (en) | Surface-mounted rapid-reaction high-temperature-resistant temperature sensor | |
| CN219830136U (en) | Self-locking patch type temperature sensor | |
| CN100455983C (en) | Fixed-frequency AM electric vortex displacement sensor probe of linear automatic compensation | |
| CN206132261U (en) | Temperature sensor and bread machine | |
| CN206387511U (en) | A kind of quick inductive pick-up of high-precision shell temperature | |
| CN207323378U (en) | Thermosensor mounting structure and food cooking machine | |
| CN206353056U (en) | Thermocouple temperature measuring apparatus | |
| CN206114139U (en) | Temperature -sensing probe | |
| CN218271115U (en) | Reliable insulation packaging structure of temperature sensor | |
| CN218765648U (en) | SMD temperature sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210319 |
|
| RJ01 | Rejection of invention patent application after publication |