CN111561715A - Capacitance control gas stove protection device based on expansion with heat and contraction with cold principle - Google Patents
Capacitance control gas stove protection device based on expansion with heat and contraction with cold principle Download PDFInfo
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- CN111561715A CN111561715A CN202010429680.4A CN202010429680A CN111561715A CN 111561715 A CN111561715 A CN 111561715A CN 202010429680 A CN202010429680 A CN 202010429680A CN 111561715 A CN111561715 A CN 111561715A
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- fixedly connected
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- 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
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The utility model provides a capacitive control gas-cooker protection device based on expend with heat and contract with cold principle, relates to intelligent household electrical appliances technical field, the on-line screen storage device comprises a base, the interior diapire fixedly connected with spring one at base middle part, the top fixedly connected with piston piece of spring one, the middle part fixedly connected with dielectric plate of piston piece, the middle part of base set up with the air cavity of piston piece looks adaptation. This capacitance control gas-cooker protection device based on expend with heat and contract with cold principle, cooperation through electromagnet and sprue is used, forget when closing the gas-cooker when going out, along with the heating always of gas-cooker, when the compressed gas inflation in the air cavity is to the certain extent, the electromagnet circular telegram, the magnetic path receives the effort that electromagnet like poles repel each other, move to the top, and can drive the sprue and think the top together and remove, make sprue and seal groove joint, plug up the air inlet, effectively block the supply of natural gas, the effect of automatic cutout gas-cooker has been reached, effectively avoid the gas-cooker to appear the accident, the security of gas-cooker has been improved.
Description
Technical Field
The invention relates to the technical field of intelligent household appliances, in particular to a capacitance control gas stove protection device based on a principle of expansion with heat and contraction with cold.
Background
The gas cooker is a kitchen utensil heated by direct fire with liquefied petroleum gas (liquid), artificial gas, natural gas and other gas fuels, and is called a stove plate, the popularization degree of the gas cooker is unknown, but a passing concept is difficult to see.
With the adoption of the gas stove, the life of residents is greatly facilitated, a fire source is provided for residents in residential buildings, and the residents can cook conveniently, but the existing gas stove still has potential safety hazards when in use, the gas is forgotten to be closed when the existing gas stove is used, so that the gas is combusted all the time, if inflammable substances exist beside the gas stove, a fire disaster is caused, the house is damaged, the residents are influenced, and the safety of the residents is seriously threatened.
Therefore, the capacitance control gas stove protection device based on the principle of expansion with heat and contraction with cold is provided to solve the problems, the effect of automatically cutting off the gas stove is achieved through the matching use of the electromagnet and the blocking block, the gas stove is effectively prevented from accidents, the safety of the gas stove is improved, the normal use of the gas stove is guaranteed, meanwhile, the use safety of the gas stove is effectively protected, and the safety is improved.
Disclosure of Invention
The invention adopts the following technical scheme for realizing the technical purpose: a protection device of a capacitance control gas stove based on a principle of thermal expansion and cold contraction comprises a base, wherein a first spring is fixedly connected to an inner bottom wall in the middle of the base, a piston block is fixedly connected to the top of the first spring, a dielectric plate is fixedly connected to the middle of the piston block, an air cavity matched with the piston block is formed in the middle of the base, a heat-conducting plate is fixedly connected to an inner top wall of the air cavity, a positive plate is fixedly connected to an inner left wall of the base, a negative plate symmetrical to the positive plate is fixedly connected to an inner right wall of the base, a resistor symmetrical to the negative plate is fixedly connected to an inner right wall of the base, an electromagnet electrically connected to the resistor is fixedly connected to an inner right wall of the base, a second spring is fixedly connected to the inner bottom wall of the base and close to the top of the electromagnet, a, the outside fixedly connected with sealing washer of sprue, the air inlet has been seted up on the right side of base, the middle part of air inlet set up with the seal groove of sprue looks adaptation, the top joint of base has the support.
The invention has the following beneficial effects:
1. this capacitance control gas-cooker protection device based on expend with heat and contract with cold principle, cooperation through electromagnet and sprue is used, forget when closing the gas-cooker when going out, along with the heating always of gas-cooker, when the compressed gas inflation in the air cavity is to certain extent, the electromagnet circular telegram, the magnetic path receives the effort that electromagnet like poles repel each other, remove to the top, and can drive the sprue and think the top together and remove, make sprue and seal groove joint, plug up the air inlet, effectively block the supply of natural gas, thereby the effect of automatic cutout gas-cooker has been reached, effectively avoid the gas-cooker to appear the accident, the security of gas-cooker has been improved.
2. This capacitance control gas-cooker protection device based on expend with heat and contract with cold principle, cooperation through dielectric plate and resistance is used, under the initial condition, the dielectric plate reduces the relative area of positive plate and negative plate to minimum, circuit voltage is less than the minimum access voltage of resistance, electromagnet circuit disconnection, when the gas-cooker forgets to close, the heat-conducting plate absorbs heat after a period, the temperature risees gradually, make the gas in the air cavity expand gradually, the dielectric plate increases the relative area of positive plate and negative plate gradually, make circuit voltage crescent, until being greater than the minimum circuit voltage of resistance, at this moment the electromagnet just can the circular telegram, thereby when having reached the normal use of guaranteeing the gas-cooker, also effectively protect the safety in utilization of gas-cooker, the security has improved.
Further, the base is made of hard high-strength materials and does not have thermal conductivity and magnetic conductivity, the diameter of the first spring is smaller than that of the piston block, and the first spring is a compression spring.
Further, the shape of piston piece is cylindric and the material of piston piece is the hard rubber material, the size of dielectric plate is less than the size of piston piece and the size of dielectric plate is the same with the positive plate size.
Further, the shape of the air cavity is cylindrical, the middle part of the air cavity is filled with air close to the top of the piston block, the material of the heat-conducting plate is good in heat-conducting property, and the shape of the heat-conducting plate is cylindrical.
Further, the resistor is a voltage dependent resistor, the minimum path voltage of the resistor is smaller than the maximum path voltage of the negative plate, the magnetism of the top of the electromagnet is the same as that of the bottom of the magnetic block, the second spring is an extension spring, and the diameter of the second spring is smaller than the width of the blocking block.
Further, the magnetic block is made of a rubidium magnet material and is cuboid, the sealing ring is made of a soft rubber material, the sealing groove is cuboid, and the top of the support is provided with an anti-slip groove.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is a schematic view of the downward movement of the piston block of the present invention;
FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.
In the figure: 1. a base; 2. a first spring; 3. a piston block; 4. a dielectric plate; 5. an air cavity; 6. a heat conducting plate; 7. a positive plate; 8. a negative plate; 9. a resistance; 10. an electromagnet; 11. a second spring; 12. blocking; 13. a magnetic block; 14. a seal ring; 15. an air inlet; 16. a sealing groove; 17. and (4) a bracket.
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.
Referring to fig. 1-4, a capacitance control gas stove protection device based on the principle of expansion with heat and contraction with cold comprises a base 1, the base 1 plays a role of fixing each component, the base 1 is made of a hard high-strength material and the base 1 does not have thermal conductivity and magnetic conductivity, the diameter of a spring one 2 is smaller than that of a piston block 3, the spring one 2 is a compression spring, the inner bottom wall of the middle part of the base 1 is fixedly connected with the spring one 2, the spring one 2 plays a role of bouncing the piston block 3 to the top, the top of the spring one 2 is fixedly connected with the piston block 3, the piston block 3 plays a role of extruding gas, the piston block 3 is cylindrical and is made of a hard rubber material, the size of a dielectric plate 4 is smaller than that of the piston block 3, the size of the dielectric plate 4 is the same as that of a positive plate 7, the middle part of the piston block 3 is fixedly connected with the, the dielectric plate 4 functions to change the circuit voltage through the negative electrode plate 8.
The middle part of the base 1 is provided with an air cavity 5 matched with the piston block 3, the air cavity 5 plays a role in storing air and facilitating the movement of the piston block 3, the shape of the air cavity 5 is cylindrical, the middle part of the air cavity 5 and the top part close to the piston block 3 are filled with air, the material of the heat conducting plate 6 is a material with good heat conducting performance, the shape of the heat conducting plate 6 is cylindrical, the inner top wall of the air cavity 5 is fixedly connected with the heat conducting plate 6, the heat conducting plate 6 plays a role in absorbing heat and transferring, according to the expression of C ═ S/d ═ rS/4 ^ kd, the relative area size of the positive plate 7 and the negative plate 8 can determine the size of capacitance, the capacitance is larger, the voltage passing through the negative plate 8 is larger, the left inner wall of the base 1 is fixedly connected with the positive plate 7, the right inner wall of, the right inner wall of the base 1 is fixedly connected with a resistor 9 which is symmetrical to the negative plate 8, the resistor 9 plays a role in controlling the circuit connection condition of the electromagnet 10, the resistor 9 is a voltage dependent resistor, the minimum path voltage of the resistor 9 is smaller than the maximum path voltage of the negative plate 8, the magnetism of the top of the electromagnet 10 is the same as that of the bottom of the magnetic block 13, the spring II 11 is an extension spring, and the diameter of the spring II 11 is smaller than the width of the blocking block 12.
The right inner wall of the base 1 is fixedly connected with an electromagnet 10 electrically connected with a resistor 9, the electromagnet 10 plays a role of magnetic transmission, the inner bottom wall on the right side of the base 1 and the top part close to the electromagnet 10 are fixedly connected with a spring II 11, the spring II 11 plays a role of contracting a block 12 to the inner bottom wall, the top part of the spring II 11 is fixedly connected with a block 12 movably connected with the inner wall of the base 1, the block 12 plays a role of blocking an air inlet 15, the middle part of the block 12 is fixedly connected with a magnetic block 13, the magnetic block 13 plays a role of magnetic transmission, the magnetic block 13 is made of rubidium magnet material and is rectangular, the magnetic block 13 is made of soft rubber material, the sealing groove 14 is made of soft rubber material, the sealing groove 16 is rectangular, the top part of the bracket 17 is provided with an anti-skid groove, the outer side of the block 12 is fixedly connected with a sealing ring 14, the sealing ring 14 plays a, air inlet 15 plays the effect of being convenient for natural gas supply, and the seal groove 16 with sprue 12 looks adaptation is seted up at the middle part of air inlet 15, and seal groove 16 plays sealed effect, and the top joint of base 1 has support 17, and support 17 plays the effect of being convenient for fixed cooking utensils.
The working principle is as follows: in an initial state, as shown in fig. 1, at this time, the piston block 3 is located in the middle of the air cavity 5 under the action of the elastic force of the first spring 2, at this time, the gas in the air cavity 5 is in a normal state, at this time, the dielectric plate 4 reduces the relative area of the positive plate 7 and the negative plate 8 to the minimum, so that the circuit voltage passing through the negative plate 8 is smaller than the minimum path voltage of the resistor 9, so that the resistor 9 is in a short-circuit state, at this time, the electromagnet 10 is not electrified and does not generate magnetism, the block 12 is contracted to the inner bottom wall under the action of the second spring 11, and the air inlet;
when the gas stove is used, the heat conducting plate 6 absorbs heat gradually and transmits the heat to the gas in the gas cavity 5 to enable the gas to be heated and expanded, the gas in the gas cavity 5 expands gradually as the service time of the gas stove increases, the piston block 3 moves downwards gradually and drives the dielectric plate 4 to move downwards together, the relative area of the positive plate 7 and the negative plate 8 is increased gradually, the circuit voltage passing through the negative plate 8 is increased gradually, when the circuit voltage passing through the negative plate 8 is larger than the minimum path voltage of the resistor 9, the resistor 9 is in a path state, the electromagnet 10 is in a path state and generates magnetism, the magnetic block 13 moves upwards under the repulsion force of like poles of the electromagnet 10 and drives the block 12 to move upwards together, the block 12 is clamped with the sealing groove 16, and the sealing ring 14 strengthens the sealing effect of the block 12 and the sealing groove 16, the natural gas supply of the air inlet 15 is effectively blocked, so that the gas stove is extinguished, the fire safety is effectively guaranteed, the situation that people forget to close the gas stove after walking is avoided, and the practicability of the gas stove is improved.
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 capacitive control gas-cooker protection device based on expend with heat and contract with cold principle, includes base (1), its characterized in that: the inner bottom wall of the middle part of the base (1) is fixedly connected with a first spring (2), the top of the first spring (2) is fixedly connected with a piston block (3), the middle part of the piston block (3) is fixedly connected with a dielectric plate (4), the middle part of the base (1) is provided with an air cavity (5) matched with the piston block (3), the inner top wall of the air cavity (5) is fixedly connected with a heat-conducting plate (6), the inner wall of the left side of the base (1) is fixedly connected with a positive plate (7), the inner wall of the right side of the base (1) is fixedly connected with a negative plate (8) which is symmetrical with the positive plate (7), the inner wall of the right side of the base (1) is fixedly connected with a resistor (9) which is symmetrical with the negative plate (8), the inner wall of the right side of the base (1) is fixedly connected with an electromagnet (10) which is electrically connected, the top fixedly connected with of spring two (11) and inner wall swing joint's of base (1) sprue (12), the middle part fixedly connected with magnetic path (13) of sprue (12), the outside fixedly connected with sealing washer (14) of sprue (12), air inlet (15) have been seted up on the right side of base (1), seal groove (16) with sprue (12) looks adaptation are seted up at the middle part of air inlet (15), the top joint of base (1) has support (17).
2. The protection device for the capacitance control gas stove based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the base (1) is made of hard high-strength material, and the base (1) does not have thermal conductivity and magnetic conductivity.
3. The protection device for the capacitance control gas stove based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the diameter of the first spring (2) is smaller than that of the piston block (3), and the first spring (2) is a compression spring.
4. The protection device for the capacitance control gas stove based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the piston block (3) is cylindrical and the material of the piston block (3) is hard rubber material.
5. The protection device for the capacitance control gas stove based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the size of the dielectric plate (4) is smaller than that of the piston block (3) and the size of the dielectric plate (4) is the same as that of the positive plate (7).
6. The protection device for the capacitance control gas stove based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the shape of the air cavity (5) is cylindrical, the middle part of the air cavity (5) and the top part close to the piston block (3) are filled with air, the heat conducting plate (6) is made of a material with good heat conducting performance, and the heat conducting plate (6) is cylindrical.
7. The protection device for the capacitance control gas stove based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the resistor (9) is a voltage dependent resistor, the minimum path voltage of the resistor (9) is smaller than the maximum path voltage of the negative plate (8), the magnetism of the top of the electromagnet (10) is the same as that of the bottom of the magnetic block (13), the spring II (11) is an extension spring, and the diameter of the spring II (11) is smaller than the width of the blocking block (12).
8. The protection device for the capacitance control gas stove based on the principle of expansion with heat and contraction with cold as claimed in claim 1, wherein: the magnetic block (13) is made of a rubidium magnet material, the magnetic block (13) is cuboid, the sealing ring (14) is made of a soft rubber material, the sealing groove (16) is cuboid, and the top of the support (17) is provided with an anti-slip groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010429680.4A CN111561715A (en) | 2020-05-20 | 2020-05-20 | Capacitance control gas stove protection device based on expansion with heat and contraction with cold principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010429680.4A CN111561715A (en) | 2020-05-20 | 2020-05-20 | Capacitance control gas stove protection device based on expansion with heat and contraction with cold principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111561715A true CN111561715A (en) | 2020-08-21 |
Family
ID=72068191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010429680.4A Withdrawn CN111561715A (en) | 2020-05-20 | 2020-05-20 | Capacitance control gas stove protection device based on expansion with heat and contraction with cold principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111561715A (en) |
Cited By (9)
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| CN112171862A (en) * | 2020-09-28 | 2021-01-05 | 周杰 | Use green building technology's hollow brick forming device |
| CN112406585A (en) * | 2020-11-30 | 2021-02-26 | 杭州小龚科技有限公司 | Electric automobile charger with self-protection function |
| CN112428582A (en) * | 2020-10-30 | 2021-03-02 | 王勇 | 3D printer pumpback prevents drawing wire subassembly based on fused deposition |
| CN112569816A (en) * | 2020-12-30 | 2021-03-30 | 中肽生物科技(大连)有限公司 | A emulsification device for processing of facial mask of moisturizing whitens |
| CN112856199A (en) * | 2020-12-31 | 2021-05-28 | 成都静田沙奇商贸有限公司 | Lubricating device for automatically adding lubricating oil to electrical accessories |
| CN112917342A (en) * | 2021-01-25 | 2021-06-08 | 温州衡恒贸易有限公司 | Grinding device capable of automatically cooling during overheating |
| CN112936099A (en) * | 2021-01-27 | 2021-06-11 | 南京万扬家居用品有限公司 | Energy-saving polishing machine based on capacitance principle |
| CN113047699A (en) * | 2021-02-27 | 2021-06-29 | 蔡琪 | Auxiliary device for facilitating escape of furniture door by automatically opening door through fire self-ejection lock cylinder |
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2020
- 2020-05-20 CN CN202010429680.4A patent/CN111561715A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171862A (en) * | 2020-09-28 | 2021-01-05 | 周杰 | Use green building technology's hollow brick forming device |
| CN112428582A (en) * | 2020-10-30 | 2021-03-02 | 王勇 | 3D printer pumpback prevents drawing wire subassembly based on fused deposition |
| CN112406585A (en) * | 2020-11-30 | 2021-02-26 | 杭州小龚科技有限公司 | Electric automobile charger with self-protection function |
| CN112569816A (en) * | 2020-12-30 | 2021-03-30 | 中肽生物科技(大连)有限公司 | A emulsification device for processing of facial mask of moisturizing whitens |
| CN112856199A (en) * | 2020-12-31 | 2021-05-28 | 成都静田沙奇商贸有限公司 | Lubricating device for automatically adding lubricating oil to electrical accessories |
| CN112856199B (en) * | 2020-12-31 | 2022-05-27 | 佛山肯天新材料科技有限公司 | Lubricating device for automatically adding lubricating oil to electrical accessories |
| CN112917342A (en) * | 2021-01-25 | 2021-06-08 | 温州衡恒贸易有限公司 | Grinding device capable of automatically cooling during overheating |
| CN112936099A (en) * | 2021-01-27 | 2021-06-11 | 南京万扬家居用品有限公司 | Energy-saving polishing machine based on capacitance principle |
| CN113047699A (en) * | 2021-02-27 | 2021-06-29 | 蔡琪 | Auxiliary device for facilitating escape of furniture door by automatically opening door through fire self-ejection lock cylinder |
| CN113109087A (en) * | 2021-03-25 | 2021-07-13 | 上海乐纯生物技术有限公司 | Aseptic leak-proof sampling valve for medicine production |
| CN113109087B (en) * | 2021-03-25 | 2022-06-21 | 上海乐纯生物技术有限公司 | Aseptic leak-proof sampling valve for medicine production |
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Application publication date: 20200821 |