CN113658825A - Novel microcomputer dry-burning prevention sensor structure of electric cooker - Google Patents
Novel microcomputer dry-burning prevention sensor structure of electric cooker Download PDFInfo
- Publication number
- CN113658825A CN113658825A CN202111001821.3A CN202111001821A CN113658825A CN 113658825 A CN113658825 A CN 113658825A CN 202111001821 A CN202111001821 A CN 202111001821A CN 113658825 A CN113658825 A CN 113658825A
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- Prior art keywords
- microswitch
- contact
- base
- electric cooker
- movable
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Links
- 230000002265 prevention Effects 0.000 title claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000741 silica gel Substances 0.000 claims abstract description 12
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 9
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 6
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000003068 static effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
-
- 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
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention discloses a novel microcomputer anti-dry-burning sensor structure of an electric cooker, which comprises a small cup, wherein a soft support is arranged at the top of the small cup, a microswitch is arranged in the small cup through the soft support, a thermistor mechanism is arranged inside the top end of the microswitch, an insulating silica gel paste is laid and pasted on the top of the soft support, a heat conducting cover is arranged at the top of the insulating silica gel paste, a spring is arranged outside the small cup in a surrounding manner, a mounting bottom plate is arranged at the bottom of the small cup and the spring, a lead is combined and arranged at the bottom of the microswitch and comprises a heat-shrinkable sleeve, a lead and a connector which are arranged from top to bottom, the top end of the lead is respectively welded with the bottom of the microswitch, the heat-shrinkable sleeve is coated at the joint of the lead and the microswitch, and the bottom of the lead is connected with the connector. The invention provides a novel microcomputer dry-burning prevention sensor structure of an electric cooker, which has the advantages of compact structure, smooth action of accessories inside a microswitch, no influence on work due to poor contact, reliable driving action and stable performance.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a novel microcomputer anti-dry-burning sensor structure of an electric cooker.
Background
The structure of the microcomputer dry-burning prevention sensor of the existing electric cooker has the working principle that: when the inner pot is put down, the whole sensor moves downwards, the spring is compressed, the mounting bottom plate presses the micro-switch button downwards, and when the button is downwards, the movable piece is triggered under the action of the lever to trigger the action of the movable spring piece, so that the movable contact and the fixed contact of the movable piece are separated, the normally closed terminal of the micro-switch and the bracket terminal are powered off, and the thermistor connected with the normally open terminal and the bracket starts to work; when the inner pot is taken out, the whole sensor moves upwards, the movable sheet returns to the original state, the button is loosened by the mounting bottom plate, when the button returns upwards, the movable sheet automatically makes the movable contact of the movable sheet be communicated with the static contact again under the action of the lever, the normally closed terminal of the micro switch is electrified with the support terminal, and the thermistor connected with the normally open terminal and the support terminal does not work.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a novel microcomputer anti-dry-burning sensor structure of an electric cooker, which has a compact structure, smooth action of accessories inside a microswitch, reliable driving action and stable performance, and can not influence the work due to poor contact.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a novel microcomputer dry-burning prevention sensor structure of an electric cooker comprises:
a small cup;
the soft support is arranged at the top of the small cup and comprises a supporting sheet groove and an installation hole which are arranged from outside to inside;
the micro switch is arranged in the small cup through the soft support;
the thermistor mechanism is arranged inside the top end of the microswitch and comprises a silica gel pad arranged at the bottom;
the insulating silica gel is pasted on the top of the soft support;
the heat conducting cover is arranged at the top of the insulating silicon rubber paste;
the spring is annularly arranged outside the small cup;
the mounting bottom plate is arranged at the bottoms of the small cup and the spring;
the wire combination is respectively arranged at the bottom of the microswitch and comprises a heat-shrinkable sleeve, a wire and a connector which are arranged from top to bottom, the top end of the wire is respectively welded with the bottom of the microswitch, the heat-shrinkable sleeve is coated at the joint of the wire and the microswitch, and the bottom of the wire is connected with the connector.
Furthermore, one end of the spring is abutted against the bottom of the heat conducting cover, and the other end of the spring is abutted against the top of the mounting bottom plate.
Further, the microswitch comprises a base, a conjunction seat, a movable contact, a stationary contact, a normally open terminal, a normally closed terminal, a support, a rivet, a limit button, a movable piece, a movable spring piece and a lever, wherein the normally open terminal is embedded in the left end inside the base and comprises a normally open contact piece arranged on the top, the stationary contact is arranged at the right end of the normally open terminal through the normally closed terminal, the support is arranged at the right end of the normally closed terminal and comprises a support contact piece arranged on the top, one end of the lever is abutted against the support, the other end of the lever is abutted against the bottom of the right end of the movable piece, the movable contact is arranged at the left end of the movable piece, one end of the movable spring piece is abutted against the support, the other end of the movable spring piece is abutted against the movable piece, the base is in conjunction with the conjunction seat through the rivet, the base comprises a base bearing block and a base cushion placing groove which are arranged from outside to inside, the base cushion placing groove comprises contact rod holes respectively arranged on the top, the fit seat comprises a fit bearing block and a fit placing groove which are arranged from outside to inside, and the limit button is arranged at the right end of the support.
Further, the accommodating groove is matched with the base cushion accommodating groove to form the accommodating groove, the silica gel cushion is placed in the accommodating groove, the thermistor mechanism is placed in the silica gel cushion, contact wires at two ends of the thermistor mechanism are limited by the contact rod holes respectively, and the contact wires are in contact with the support contact pieces and the normally open contact pieces respectively.
Furthermore, the movable piece is driven by a limit button through a movable reed and a lever, and the limit button is limited by a microswitch.
Furthermore, the microswitch is supported and fixed by the soft support through the matching support block and the base support block, and the width and the length of the installation hole are equal to those of the microswitch.
The invention has the beneficial effects that:
the invention is driven by the limit button through the movable piece by the movable reed and the lever, and is fixed by the soft support through the matching support block and the base support block by the microswitch, and the installation hole and the width and the length of the microswitch are uniform, thus providing a novel microcomputer dry burning prevention sensor structure which has compact structure, smooth action of accessories in the microswitch, reliable driving action and stable performance, and can not influence the work due to poor contact for users.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a perspective view of a microswitch of the present invention;
FIG. 3 is a second perspective view of the microswitch of the present invention;
FIG. 4 is one of the perspective views of the present invention;
FIG. 5 is a second perspective view of the present invention;
FIG. 6 is a second schematic structural diagram of the present invention;
FIG. 7 is a schematic view of the microswitch of the present invention;
FIG. 8 is a second schematic view of the micro-switch according to the present invention;
FIG. 9 is a third schematic view of the micro-switch of the present invention;
FIG. 10 is a fourth schematic view of the microswitch in the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
According to the illustrations of fig. 1-10:
a novel microcomputer dry-burning prevention sensor structure of an electric cooker comprises:
a small cup 1;
the soft support 2 is arranged at the top of the small cup 1 and comprises a supporting sheet groove 21 and an installation hole 22 which are arranged from outside to inside;
the micro switch 3 is arranged in the small cup 1 through the soft support 2;
the thermistor mechanism 4 is arranged inside the top end of the microswitch 3 and comprises a silica gel pad 41 arranged at the bottom;
the insulating silica gel paste 5 is paved on the top of the soft support 2;
the heat conducting cover 6 is arranged on the top of the insulating silicon rubber paste 5;
the spring 7 is annularly arranged outside the small cup 1;
the mounting bottom plate 8 is arranged at the bottoms of the small cup 1 and the spring 7;
the wire combination 9 is respectively arranged at the bottom of the micro switch 3 and comprises a heat-shrinkable sleeve 91, a wire 92 and a connector 93 which are arranged from top to bottom, the top end of the wire 92 is respectively welded with the bottom of the micro switch 3, the heat-shrinkable sleeve 91 is coated at the joint of the wire 92 and the micro switch 3, and the bottom of the wire 92 is connected with the connector 93.
One end of the spring 7 is abutted against the bottom of the heat conducting cover 6, and the other end of the spring is abutted against the top of the mounting bottom plate 8.
Because the micro-switch 3 comprises a base 31, a matching seat 32, a movable contact 33, a fixed contact 34, a normally open terminal 35, a normally closed terminal 36, a support 37, a rivet 38, a limit button 39, a movable piece 300, a movable reed 301 and a lever 302, the normally open terminal 35 is embedded in the left end inside the base 31 and comprises a normally open contact piece 351 arranged at the top, the fixed contact 34 is arranged at the right end of the normally open terminal 35 through the normally closed terminal 36, the support 37 is arranged at the right end of the normally closed terminal 36 and comprises a support contact piece 371 arranged at the top, one end of the lever 302 is abutted against the support 37, the other end of the lever is abutted against the bottom of the movable piece 300, the movable contact 33 is arranged at the end head of the left end of the movable piece 300, one end of the movable reed 301 is abutted against the support 37, the other end of the movable piece 300 is abutted against, the base 31 is connected with the matching seat 32 through the rivet 38, the base 31 comprises a base bearing block 311 and a base cushion placing groove 312 which are arranged from the outside to the inside, the base cushion placement groove 312 comprises contact rod holes 3121 respectively arranged at the top, the fitting seat 32 comprises a fitting bearing block 321 and a fitting placement groove 322 arranged from the outside to the inside, the limit button 39 is arranged at the right end of the bracket 37, the movable piece 300 is driven by the limit button 39 through the movable spring piece 301 and the lever 302, when a user uses the invention, when the limit button 39 moves downwards, the movable piece 300 loses the force of upward driving of the limit button 39, the movable piece 300 is driven by the movable spring piece 301 through the driving action of the movable spring piece 301, the left end of the movable piece 300 rotates downwards and the right end thereof rotates downwards under the action of the limit button 39, so as to drive the movable contact 33 to move upwards, so that the movable contact 33 is separated from the stationary contact 34, at this time, the thermistor 3 respectively contacted with the normally open terminal 35 and the top of the bracket terminal 17 starts to drive, and when the limit button 39 moves upwards under the dilute pressure, the movable piece 300 automatically takes the lever 302 as a fulcrum, the movable reed 301 is triggered to enable the left end of the movable piece 300 to rotate downwards, so that the movable contact 33 is driven to be connected with the fixed contact 34 again, in real time, the normally closed terminal 36 of the microswitch 3 is electrified with the bracket 37 terminal, and the thermistor mechanism 4 connected with the normally open terminal 35 and the bracket 37 terminal is disconnected without driving.
When a user uses the invention, when the limit button 39 of the micro switch 3 contacts the installation bottom plate 8, due to the limit function of the limit button 39, accessories such as the movable sheet 300 and the like are not pressed to the bottom of the micro switch 3, so that after the moving contact and the static contact inside the micro switch 3 are separated, the limit button 39 continues to keep a proper stroke, and the limit button 39 does not move downwards at the moment, thereby ensuring that the accessories inside the micro switch 3 are not deformed, ensuring that the accessories inside the micro switch 3 move smoothly, and not influencing the work due to poor contact or no rebound, thereby ensuring that the actions are reliable and the performance is stable.
Because the fitting placing groove 322 is matched with the base cushion placing groove 312 to form a placing groove, the silicone pad 41 is placed in the placing groove, the thermistor mechanism 4 is placed in the silicone pad 41, the contact wires at two ends of the thermistor mechanism 4 are limited by the contact rod holes 3121 respectively, and the contact wires are contacted with the support contact sheet 371 and the normally open contact sheet 351 respectively, when a user uses the invention, the silicone pad 41 can be firmly arranged inside through the use of the placing groove, so that the thermistor mechanism 4 arranged at the top of the silicone pad 41 is supported and protected, and the position of the thermistor mechanism 4 is further fixed through the limited use of the contact rod holes 3121, so that the phenomenon that the thermistor mechanism 4 is in poor contact with the support contact sheet 371 and the normally open contact sheet 351 respectively due to position shaking is prevented.
Because the microswitch 3 is supported and fixed by the soft support 2 through the matching support block 321 and the base support block 311, and the installation hole 22 is equal to the microswitch 3 in width and length, when a user uses the invention, the microswitch 3 can be stably arranged in the small cup 1 through the soft support 2 through the installation hole 22 and the soft support 2, and the situation that the microswitch 3 is positioned in the soft support 2 and shakes can not occur, so that the normal use of the invention is influenced.
When a user uses the invention, the heat-shrinkable sleeve 91 is sleeved outside the lead 92 welded with the bottoms of the normally open terminal 35, the normally closed terminal 36 and the bracket 37 respectively and then is blown and shrunk by hot air, so that the connection part is protected from short circuit caused by the contact of an external circuit and the invention, the normal use of the invention is influenced, and the connection part can be coated and protected to prevent the connection part from being collided and abraded by external parts.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (6)
1. A novel electric cooker microcomputer dry burning prevention sensor structure is characterized by comprising:
a small cup;
the soft support is arranged at the top of the small cup and comprises a supporting sheet groove and an installation hole which are arranged from outside to inside;
the micro switch is arranged in the small cup through the soft support;
the thermistor mechanism is arranged inside the top end of the microswitch and comprises a silica gel pad arranged at the bottom;
the insulating silica gel is pasted on the top of the soft support;
the heat conducting cover is arranged at the top of the insulating silicon rubber paste;
the spring is annularly arranged outside the small cup;
the mounting bottom plate is arranged at the bottoms of the small cup and the spring;
the wire combination is respectively arranged at the bottom of the microswitch and comprises a heat-shrinkable sleeve, a wire and a connector which are arranged from top to bottom, the top end of the wire is respectively welded with the bottom of the microswitch, the heat-shrinkable sleeve is coated at the joint of the wire and the microswitch, and the bottom of the wire is connected with the connector.
2. The microcomputer anti-dry burning sensor structure of the novel electric cooker as claimed in claim 1, wherein one end of the spring is abutted against the bottom of the heat conducting cover, and the other end is abutted against the top of the mounting base plate.
3. The novel microcomputer dry burning prevention sensor structure of an electric cooker as claimed in claim 2, wherein the micro switch comprises a base, a fitting seat, a movable contact, a stationary contact, a normally open terminal, a normally closed terminal, a bracket, a rivet, a limit button, a movable plate, a movable reed and a lever, the normally open terminal is embedded in the left end of the base and comprises a normally open contact piece arranged on the top, the stationary contact is arranged at the right end of the normally open terminal through the normally closed terminal, the bracket is arranged at the right end of the normally closed terminal and comprises a bracket contact piece arranged on the top, one end of the lever abuts against the bracket, the other end of the lever abuts against the bottom of the right end, the movable contact is arranged at the left end of the movable plate, one end of the movable reed abuts against the bracket, the other end abuts against the movable plate, the base is fitted and connected with the fitting seat through the rivet, the base comprises a base bearing block and a base cushion placing groove which are arranged from outside to inside, the base cushion standing groove comprises contact rod holes respectively formed in the top, the matching seat comprises a matching bearing block and a matching standing groove which are arranged from outside to inside, and the limiting button is arranged at the right end of the support.
4. The microcomputer anti-dry heating sensor structure of the novel electric cooker as claimed in claim 3, wherein the matching placement groove is matched with the base cushion placement groove to form a placement groove, the silica gel cushion is placed in the placement groove, the thermistor mechanism is placed in the silica gel cushion, the contact wires at two ends of the thermistor mechanism are respectively limited by the contact rod holes, and the contact wires are respectively contacted with the support contact piece and the normally open contact piece.
5. The microcomputer anti-dry heating sensor structure of the novel electric cooker as claimed in claim 4, wherein the movable plate is driven by a limit button through a movable spring and a lever, and the limit button is limited by a micro switch.
6. The microcomputer dry burning prevention sensor structure of the novel electric cooker as claimed in claim 5, wherein the micro switch is fixed by the soft support through the fitting support block and the base support block, and the installation hole is equal to the micro switch in width and length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111001821.3A CN113658825A (en) | 2021-08-30 | 2021-08-30 | Novel microcomputer dry-burning prevention sensor structure of electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111001821.3A CN113658825A (en) | 2021-08-30 | 2021-08-30 | Novel microcomputer dry-burning prevention sensor structure of electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113658825A true CN113658825A (en) | 2021-11-16 |
Family
ID=78482341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111001821.3A Pending CN113658825A (en) | 2021-08-30 | 2021-08-30 | Novel microcomputer dry-burning prevention sensor structure of electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113658825A (en) |
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2021
- 2021-08-30 CN CN202111001821.3A patent/CN113658825A/en active Pending
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