CN203873553U - Protective circuit for electric pressure cooker, and electric pressure cooker - Google Patents
Protective circuit for electric pressure cooker, and electric pressure cooker Download PDFInfo
- Publication number
- CN203873553U CN203873553U CN201320736773.7U CN201320736773U CN203873553U CN 203873553 U CN203873553 U CN 203873553U CN 201320736773 U CN201320736773 U CN 201320736773U CN 203873553 U CN203873553 U CN 203873553U
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- module
- electric pressure
- cooking saucepan
- pressure cooking
- power supply
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- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000010411 cooking Methods 0.000 claims description 78
- 230000001012 protector Effects 0.000 claims description 37
- 230000002159 abnormal effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a protective circuit for an electric pressure cooker. The protective circuit comprises a power supply input module, and a heating module connected with the power supply input module. The protective circuit also comprises an overtemperature protection module, an overcurrent protection module, and an overpressure protection module. The overtemperature protection module, connected between a power supply and the power supply input module, is used for overtemperature protection once the temperature inside the electric pressure cooker is overly high. The overcurrent protection module, connected between the overtemperature protection module and the power supply input module, is used for overcurrent protection if working current of the electric pressure cooker is too high. The overvoltage protection module, connected between the power supply input module and the heating module, is used for overvoltage protection if pressure in the electric pressure cooker is excessively high. The utility model also discloses an electric pressure cooker. The overtemperature protection module, the overcurrent protection module, and the overpressure protection module are adopted to respectively achieve overtemperature protection, overcurrent protection and overpressure protection, so that the working reliability of the electric pressure cooker is improved to ensure that a user can safely use the electric pressure cooker.
Description
Technical field
The utility model relates to household electrical appliance technical field, specially refers to a kind of electric pressure cooking saucepan holding circuit and electric pressure cooking saucepan.
Background technology
When electric pressure cooking saucepan is worked; conventionally can cause because of a variety of causes the course of work to occur abnormal; thereby likely cause the phenomenons such as the excessive and pot inner pressure of excess Temperature, operating current in electric pressure cooking saucepan is excessive; in this case; as do not detected in time, whether temperature in electric pressure cooking saucepan is too high, whether operating current is excessive and whether pot inner pressure is excessive, the problem that likely can cause user's use cannot be protected safely.
Utility model content
Main purpose of the present utility model, for a kind of electric pressure cooking saucepan holding circuit and electric pressure cooking saucepan are provided, can improve the reliability of electric pressure cooking saucepan work, thereby guarantees user's use safety.
The utility model provides a kind of electric pressure cooking saucepan holding circuit, comprises the Power Entry Module being connected with power supply, and the heating module that is connected, is used to the heat dish of electric pressure cooking saucepan to heat with this Power Entry Module; Also comprise overheat protector module, overcurrent protection module and overvoltage protective module, wherein:
Described overheat protector module, is connected between power supply and described Power Entry Module, carries out overheat protector during for excess Temperature in electric pressure cooking saucepan;
Described overcurrent protection module, is connected between described overheat protector module and described Power Entry Module, for carry out overcurrent protection when electric pressure cooking saucepan operating current is excessive;
Described overvoltage protective module, is connected between described Power Entry Module and heating module, for carry out overvoltage protection when electric pressure cooking saucepan internal pressure is excessive.
Preferably, described Power Entry Module is connected with zero line with the live wire of power supply.
Preferably, described overheat protector module is connected to live wire and the described Power Entry Module of described power supply, and between the zero line and Power Entry Module of power supply.
Preferably, described overcurrent protection module is connected between the live wire and described Power Entry Module of power supply.
Preferably, described overcurrent protection module is connected between the zero line and described Power Entry Module of power supply.
Preferably, described overheat protector module is Thermal Cutoffs, and in electric pressure cooking saucepan, during excess Temperature, Thermal Cutoffs disconnects.
Preferably, described overcurrent protection module is current insurance silk, when electric pressure cooking saucepan abnormal work causes operating current excessive, and the fusing of current insurance silk.
Preferably, described overvoltage protective module is pressure switch, and when electric pressure cooking saucepan abnormal work causes pressure excessive, pressure switch disconnects forceful electric power.
The utility model also provides a kind of electric pressure cooking saucepan, comprises holding circuit, and this holding circuit comprises the Power Entry Module being connected with power supply, and the heating module that is connected, is used to the heat dish of electric pressure cooking saucepan to heat with this Power Entry Module; Also comprise overheat protector module, overcurrent protection module and overvoltage protective module, wherein:
Described overheat protector module, is connected to described in power supply between Power Entry Module, carries out overheat protector during for excess Temperature in electric pressure cooking saucepan;
Described overcurrent protection module, is connected between described overheat protector module and described Power Entry Module, for carry out overcurrent protection when electric pressure cooking saucepan operating current is too high;
Described overvoltage protective module, is connected between described Power Entry Module and heating module, for carry out overvoltage protection when electric pressure cooking saucepan internal pressure is excessive.
The utility model by arranging overheat protector module between power supply and Power Entry Module, between overheat protector module and Power Entry Module, overcurrent protection module is set, at Power Entry Module and heating module, overvoltage protective module is set, when electric pressure cooking saucepan occurs abnormal and causes kettle temperature too high, when too high the and pot inner pressure of operating current is excessive, by overheat protector module, overcurrent protection module and overvoltage protective module carry out respectively overheat protector, overcurrent protection and overvoltage protection, improved the reliability of electric pressure cooking saucepan work, thereby guaranteed user's use safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electric pressure cooking saucepan holding circuit one embodiment;
Fig. 2 is the structural representation of the another embodiment of overcurrent protection module of the utility model electric pressure cooking saucepan holding circuit.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of electric pressure cooking saucepan holding circuit.
See figures.1.and.2, Fig. 1 is the structural representation of the utility model electric pressure cooking saucepan holding circuit one embodiment; Fig. 2 is the structural representation of the another embodiment of overcurrent protection module of the utility model electric pressure cooking saucepan holding circuit.
The electric pressure cooking saucepan holding circuit that the present embodiment provides, comprise Power Entry Module 10 and heating module 20, Power Entry Module 10 is connected with being used to the power supply of electric pressure cooking saucepan power supply, and Power Entry Module 10 is all connected with zero line with the live wire of power supply, for receiving the alternating current of power supply input; Heating module 20 is connected with Power Entry Module 10, is used to the heat dish heating of electric pressure cooking saucepan.In the present embodiment, electric pressure cooking saucepan holding circuit also comprises overheat protector module 30, overcurrent protection module 40 and overvoltage protective module 50, wherein:
Overheat protector module 30, is connected between power supply and Power Entry Module 10, during for excess Temperature in electric pressure cooking saucepan, electric pressure cooking saucepan is carried out to overheat protector;
Overcurrent protection module 40, is connected between overheat protector module 30 and Power Entry Module 10, for when electric pressure cooking saucepan operating current is too high, electric pressure cooking saucepan is carried out to overcurrent protection;
Overvoltage protective module 50, is connected between Power Entry Module 10 and heating module, for when electric pressure cooking saucepan internal pressure is excessive, electric pressure cooking saucepan is carried out to overvoltage protection.
The present embodiment by arranging overheat protector module 30 between power supply and Power Entry Module 10, between overheat protector module 30 and Power Entry Module 10, overcurrent protection module 40 is set, at Power Entry Module 10 and heating module 20, overvoltage protective module 50 is set, when electric pressure cooking saucepan occurs abnormal and causes kettle temperature too high, when too high the and pot inner pressure of operating current is excessive, by overheat protector module 30, overcurrent protection module 40 and overvoltage protective module 50 carry out respectively overheat protector, overcurrent protection and overvoltage protection, improved the reliability of electric pressure cooking saucepan work, thereby guaranteed user's use safety.
In the above-described embodiments, overheat protector module 30 is two, and is connected to live wire and the Power Entry Module 10 of power supply, and between the zero line of power supply and Power Entry Module 10.Overcurrent protection module 40 is one, is connected between the live wire and Power Entry Module 10 of power supply; As shown in Figure 2, overcurrent protection module 40 also can be connected between the zero line and Power Entry Module 10 of power supply.
In the above-described embodiments, overheat protector module 30 adopts Thermal Cutoffs, when pot of electric pressure occurs abnormal; and while causing the excess Temperature in electric pressure cooking saucepan, this Thermal Cutoffs can disconnect in time, too high to prevent kettle temperature; thereby play the effect of overheat protector, protection user's safety.In the present embodiment, can preset a temperature threshold, when the temperature in electric pressure cooking saucepan reaches this temperature threshold, show excess Temperature, now, overheat protector module 30 starts to carry out overheat protector.
In the above-described embodiments, overcurrent protection module 40 adopts current insurance silk, when operation irregularity appears in pot of electric pressure; and the operating current that causes electric pressure cooking saucepan is when excessive; current insurance silk is fusing automatically, the excessive and danger that brings of electric current when preventing abnormal work, thus play the effect of overcurrent protection.In the present embodiment, can preset a current threshold,, when the operating current of electric pressure cooking saucepan reaches this current threshold, show that operating current is excessive, now, overcurrent protection module 40 starts to carry out overcurrent protection.
In the above-described embodiments; overvoltage protective module 50 adopts pressure switches, and while causing pressure in electric pressure cooking saucepan excessive when electric pressure cooking saucepan abnormal work, pressure switch can force to disconnect forceful electric power; excessive and the loss and the danger that cause of pressure when preventing abnormal work, thus play the effect of overvoltage protection.In the present embodiment, can preset a pressure threshold, when the pressure in electric pressure cooking saucepan reaches this pressure threshold, show in electric pressure cooking saucepan that pressure is now excessive, now, overvoltage protective module 50 starts to carry out overvoltage protection.
The utility model also provides a kind of electric pressure cooking saucepan.
The electric pressure cooking saucepan that the present embodiment provides, comprise electric pressure cooking saucepan holding circuit, this electric pressure cooking saucepan holding circuit comprises Power Entry Module 10 and heating module 20, Power Entry Module 10 is connected with being used to the power supply of electric pressure cooking saucepan power supply, Power Entry Module 10 is all connected with zero line with the live wire of power supply, for receiving the alternating current of power supply input; Heating module 20 is connected with Power Entry Module 10, is used to the heat dish heating of electric pressure cooking saucepan.In the present embodiment, electric pressure cooking saucepan holding circuit also comprises overheat protector module 30, overcurrent protection module 40 and overvoltage protective module 50, wherein:
Overheat protector module 30, is connected between power supply and Power Entry Module 10, during for excess Temperature in electric pressure cooking saucepan, electric pressure cooking saucepan is carried out to overheat protector;
Overcurrent protection module 40, is connected between overheat protector module 30 and Power Entry Module 10, for when electric pressure cooking saucepan operating current is too high, electric pressure cooking saucepan is carried out to overcurrent protection;
Overvoltage protective module 50, is connected between Power Entry Module 10 and heating module, for when electric pressure cooking saucepan internal pressure is excessive, electric pressure cooking saucepan is carried out to overvoltage protection.
This electric pressure cooking saucepan has comprised whole technical schemes of the whole embodiment of above-mentioned electric pressure cooking saucepan holding circuit, and the technique effect reaching is also identical, at this, does not repeat.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. an electric pressure cooking saucepan holding circuit, is characterized in that, comprises the Power Entry Module being connected with power supply, and the heating module that is connected, is used to the heat dish of electric pressure cooking saucepan to heat with this Power Entry Module; Also comprise overheat protector module, overcurrent protection module and overvoltage protective module, wherein:
Described overheat protector module, is connected between power supply and described Power Entry Module, carries out overheat protector during for excess Temperature in electric pressure cooking saucepan;
Described overcurrent protection module, is connected between described overheat protector module and described Power Entry Module, for carry out overcurrent protection when electric pressure cooking saucepan operating current is excessive;
Described overvoltage protective module, is connected between described Power Entry Module and heating module, for carry out overvoltage protection when electric pressure cooking saucepan internal pressure is excessive.
2. electric pressure cooking saucepan holding circuit according to claim 1, is characterized in that, described Power Entry Module is connected with zero line with the live wire of power supply.
3. electric pressure cooking saucepan holding circuit according to claim 2, is characterized in that, described overheat protector module is connected to live wire and the described Power Entry Module of described power supply, and between the zero line and Power Entry Module of power supply.
4. electric pressure cooking saucepan holding circuit according to claim 3, is characterized in that, described overcurrent protection module is connected between the live wire and described Power Entry Module of power supply.
5. electric pressure cooking saucepan holding circuit according to claim 3, is characterized in that, described overcurrent protection module is connected between the zero line and described Power Entry Module of power supply.
6. according to the electric pressure cooking saucepan holding circuit described in any one in claim 1 to 5, it is characterized in that, described overheat protector module is Thermal Cutoffs.
7. according to the electric pressure cooking saucepan holding circuit described in any one in claim 1 to 5, it is characterized in that, described overcurrent protection module is current insurance silk.
8. according to the electric pressure cooking saucepan holding circuit described in any one in claim 1 to 5, it is characterized in that, described overvoltage protective module is pressure switch.
9. an electric pressure cooking saucepan, is characterized in that, comprises the holding circuit as described in any one in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736773.7U CN203873553U (en) | 2013-11-19 | 2013-11-19 | Protective circuit for electric pressure cooker, and electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736773.7U CN203873553U (en) | 2013-11-19 | 2013-11-19 | Protective circuit for electric pressure cooker, and electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203873553U true CN203873553U (en) | 2014-10-15 |
Family
ID=51674117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736773.7U Expired - Lifetime CN203873553U (en) | 2013-11-19 | 2013-11-19 | Protective circuit for electric pressure cooker, and electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203873553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038486A (en) * | 2018-08-17 | 2018-12-18 | 珠海格力电器股份有限公司 | Direct-current input thermal protection circuit, control method thereof and cooking appliance |
-
2013
- 2013-11-19 CN CN201320736773.7U patent/CN203873553U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038486A (en) * | 2018-08-17 | 2018-12-18 | 珠海格力电器股份有限公司 | Direct-current input thermal protection circuit, control method thereof and cooking appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |