CN204836609U - Novel base circuit structure of electrical heating electrical apparatus - Google Patents
Novel base circuit structure of electrical heating electrical apparatus Download PDFInfo
- Publication number
- CN204836609U CN204836609U CN201520577650.2U CN201520577650U CN204836609U CN 204836609 U CN204836609 U CN 204836609U CN 201520577650 U CN201520577650 U CN 201520577650U CN 204836609 U CN204836609 U CN 204836609U
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- circuit
- kettle body
- base portion
- coupler
- control circuit
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Abstract
The utility model discloses a novel base circuit structure of electrical heating electrical apparatus, it contains kettle body subtotal base portion, lead to through coupler electric conductance between kettle body part and the base portion, the female head output and the kettle body part of coupler are connected, and the public head of coupler is connected with base portion, the temperature controller that is provided with the heating tube in the kettle body part and is connected with the heating tube electricity, be provided with control circuit in the base portion, power supply circuit and load detection circuitry, load detection circuitry and power supply circuit are connected, load detection circuitry and power supply circuit all are connected with control circuit, there is three contact the coupler the inside, and the heating tube power can be put through to one of them earth connection, base portion and the partial logical back of coupler electric conductance of passing through of kettle body, temperature controller and heating tube are connected to control circuit through load detection circuitry, base portion's power supply circuit is through outside commercial power 220V mains operated.
Description
Technical field
The circuit structure that the utility model relates to a kind of electrical heating appliance improves, and the circuit structure of the base portion and temprature control unit that are specifically related to the electrical equipment such as electric food warmer, insulating pot and health-promotion kettle improves.
Background technology
As shown in Figure 1, it is the base portion of electrical equipment and the circuit structure principle of kettle body part such as electric food warmer, insulating pot and health-promotion kettle in prior art; It comprises:
1, base: Power convert and control section, it is be connected with kettle body that coupling device female exports;
2, kettle body: be made up of heat-generating pipe and NTC temperature sensor, coupling device male is connected with base.The function of each parts is:
1), power circuit: the power supply supply of heat-generating pipe and control circuit;
2), control circuit: have button and display screen to provide human-machine operation, reach temperature step curve controlled by the NTC detection kettle body food temperature control heat-generating pipe power turn-on time, NTC temperature overtemperature can control to close heat-generating pipe power supply, plays a protective role;
3), coupling device: be divided into male and female head docking mode, there are 5 contacts the inside, and one of them is earth connection, can connect heat-generating pipe power supply and NTC temperature sensor signal;
4), heat-generating pipe: can heat the food of kettle body;
5), NTC temperature sensor: can Real-Time Monitoring kettle body temperature.
Foregoing circuit needs NTC sensor circuit module, and coupling device needs 5 wires to connect (5 contacts), and mounting process very complicated, the high product that causes of material cost considerably increases cost.
Utility model content
Technical problem to be solved in the utility model is, for above-mentioned deficiency of the prior art, to provide a kind of base circuit structure of Novel electric heating electrical equipment, which reduce circuits built cost, decreases wire and connects, improve electrical safety.
The utility model solves the technical scheme that its technical problem adopts: a kind of base circuit structure of Novel electric heating electrical equipment, comprises kettle body part and base portion; Conducted by coupler between kettle body part and base portion; The female of described coupler exports and is connected with kettle body part, and the male of coupler is connected with base portion;
The thermostat being provided with heat-generating pipe and being electrically connected with heat-generating pipe in described kettle body part; Be provided with control circuit in described base portion, power circuit and load detecting circuit, described load detecting circuit is connected with power circuit, and described load detecting circuit is all connected with control circuit with power circuit; Have three contacts inside described coupler, one of them earth connection, can connect heat-generating pipe power supply, after base portion and kettle body part are conducted by coupler, described thermostat and heat-generating pipe are connected to control circuit by load detecting circuit;
The power circuit of described base portion is by outside civil power 220V Power supply;
Described control circuit comprises MCU, and its control connection has button and display screen for providing human-machine operation; Described thermostat is the contact switch made with bimetallic material material.
As one of the present utility model preferred embodiment: described heat-generating pipe and thermostat composition load circuit, described load detecting circuit is connected with control circuit, and described control circuit also control connection has the magnetic silicon controlled switch circuit for control load connecting and disconnecting of the circuit; The MCU of described control circuit is also connected with loudspeaker.
As one of the present utility model preferred embodiment: described magnetic silicon controlled switch circuit is made up of triode Q8 and resistance R11; Described load detecting circuit is by resistance R1, R2; Diode D3, D4; Resistance R10 and electric capacity E2 forms.
The beneficial effects of the utility model are:
The utility model is without the need to using NTC transducer, and coupling device only needs 3 contacts, has lacked two wires compared to existing technology, and technique assembling is simple, and material price is low, reduces overall price advantage; The utility model realizes temperature control by improvement and jumps disconnected or kettle body and mention and leave base, control circuit possesses perceptional function and carries out relevant control, reaches coefficient of safety and improves, still keep the advantage of low cost, without the need to increasing transducer, connect wire without the need to increasing coupling device.
The utility model is by increasing load detecting circuit, leave base or thermostat jump disconnected when kettle body is mentioned, load detecting circuit can perceive and signal is conveyed to control circuit software and can control buzzer and send " drip-drip-drip " sound, show " Wrong " simultaneously and occur exception to warn user, used time controls controllable silicon and out-put supply is turned off, coupling device chargedly can not play the effect that security performance improves, and minimizing is got an electric shock with electrification or fire occurs.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of prior art;
Fig. 2 is circuit theory diagrams of the present utility model;
Fig. 3 is the electrical block diagram of a kind of embodiment of the present utility model.
Description of reference numerals:
1-civil power 220V power supply, 2-power circuit, 3-display and keyboard circuit, 4-coupler, 5-kettle body circuit, circuit at the bottom of 6-kettle, 7-load detecting circuit, 8-control circuit;
100-kettle body part, 101-heat-generating pipe, 102-NTC temperature sensor, 103-coupler, 104-thermostat; 200-base portion, 201-power circuit, 202-control circuit, 203-load detecting circuit; 300-civil power 220V power supply.
Embodiment
Below in conjunction with drawings and Examples, the utility model embodiment is described:
As shown in Figures 2 and 3, it illustrates embodiment of the present utility model, as shown in the figure, the utility model discloses a kind of base circuit structure of Novel electric heating electrical equipment; Comprise base portion, Power convert and control section, it is be connected with kettle body that coupler female exports; Circuit unit in kettle body is primarily of heat-generating pipe and thermostat composition, and coupler male is connected with base.The technical solution of the utility model is applied in the structural principle block diagram on a kind of health-promotion kettle with base heating function by Fig. 2.We also add load detecting circuit on said structure, leave base or thermostat jump disconnected when kettle body is mentioned, load detecting circuit can perceive and signal is conveyed to control circuit software and can control buzzer and send " drip-drip-drip " sound, show " Wrong " simultaneously and occur exception to warn user, used time controls controllable silicon and out-put supply is turned off, coupler chargedly can not play the effect that security performance improves, and minimizing is got an electric shock with electrification or fire occurs.
The functional description of above-mentioned all parts is as follows:
1), power circuit 2: the power supply supply being responsible for heat-generating pipe and control circuit;
2), control circuit 202: comprise MCU, its control connection has button and display screen to provide human-machine operation, is controlled the temperature curve of heat-generating pipe by the mode of intermittent time;
3), coupler 103: be divided into male and female head docking mode, there are three contacts the inside, and one of them earth connection can connect heat-generating pipe power supply.
4), heat-generating pipe 101: can heat the food of kettle body;
5, thermostat 104: thermostat is the contact switch made with bimetallic material material, when kettle body temperature reaches the threshold values of thermostat, thermostat turns off heat-generating pipe power supply and plays the effect of temperature overtemperature prote.
The utility model is compared to existing technology without the need to using NTC transducer, and coupler only needs 3 contacts, has lacked two wires compared to existing technology, and technique assembling is simple, and material price is low, reduces overall price advantage.
The utility model also achieves temperature control further and jumps after disconnected or kettle body mentions and leave base, control circuit possesses perceptional function and carries out relevant control, reaches coefficient of safety and improves, still keep the advantage of low cost, without the need to increasing transducer, connect wire without the need to increasing coupler.
Fig. 3 is the execution mode of a kind of particular circuit configurations of the utility model when being applied to electric food warmer:
The each parts of circuit are described below:
Load circuit: be made up of heat-generating pipe and thermostat.
Magnetic silicon controlled switch circuit: be made up of Q8 and R11.
Load detecting circuit: R1, R2, D3, D4, R10 and E2 form.
Operation principle is as follows:
Under off-mode, controllable silicon not conducting.When kettle body is put in base and thermostat is in closed dress state, controllable silicon anode forms loop by load and AC220-N, now controllable silicon anode has the pressure drop of 220V through R1 and R2 step-down, D3 rectification, D4 clamper, be connected with Chip Microcomputer A/D C port through R9 current-limiting resistance after the filtering of R10 with E2 electrochemical capacitor, single-chip microcomputer measures the voltage of controllable silicon anode into 220V after being changed by software again.When control start, if first software detect controllable silicon anode is that 220V sets up just control controlled silicon conducting load heating work.If kettle body is mentioned, or kettle body is not put well, during non-normal working, controllable silicon anode cannot form loop by load and AC220-N, controllable silicon anode is without 220V voltage, microprocessor detect controllable silicon anode, without 220V voltage, is false, and does not control controllable silicon output coupling device not charged, and sounds and show warning.
Under open state, controlled silicon conducting, the voltage of controllable silicon anode is about AC2V.Mention leave base if kettle body temperature overtemperature jumps disconnected or kettle body, now controllable silicon anode voltage can change, and when scm software detects this change in voltage, carries out the shutoff of controls controllable silicon, and sounds and show warning.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.
Claims (3)
1. a base circuit structure for Novel electric heating electrical equipment, is characterized in that: comprise kettle body part and base portion; Conducted by coupler between kettle body part and base portion; The female of described coupler exports and is connected with kettle body part, and the male of coupler is connected with base portion;
The thermostat being provided with heat-generating pipe and being electrically connected with heat-generating pipe in described kettle body part; Be provided with control circuit in described base portion, power circuit and load detecting circuit, described load detecting circuit is connected with power circuit, and described load detecting circuit is all connected with control circuit with power circuit; Have three contacts inside described coupler, one of them earth connection, can connect heat-generating pipe power supply, after base portion and kettle body part are conducted by coupler, described thermostat and heat-generating pipe are connected to control circuit by load detecting circuit;
The power circuit of described base portion is by outside civil power 220V Power supply;
Described control circuit comprises MCU, and its control connection has button and display screen for providing human-machine operation; Described thermostat is the contact switch made with bimetallic material material.
2. the base circuit structure of a kind of Novel electric heating electrical equipment as claimed in claim 1, it is characterized in that: described heat-generating pipe and thermostat composition load circuit, described load detecting circuit is connected with control circuit, and described control circuit also control connection has the magnetic silicon controlled switch circuit for control load connecting and disconnecting of the circuit; The MCU of described control circuit is also connected with loudspeaker.
3. the base circuit structure of a kind of Novel electric heating electrical equipment as claimed in claim 2, is characterized in that: described magnetic silicon controlled switch circuit is made up of triode Q8 and resistance R11; Described load detecting circuit is by resistance R1, R2; Diode D3, D4; Resistance R10 and electric capacity E2 forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577650.2U CN204836609U (en) | 2015-08-04 | 2015-08-04 | Novel base circuit structure of electrical heating electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577650.2U CN204836609U (en) | 2015-08-04 | 2015-08-04 | Novel base circuit structure of electrical heating electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204836609U true CN204836609U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520577650.2U Expired - Fee Related CN204836609U (en) | 2015-08-04 | 2015-08-04 | Novel base circuit structure of electrical heating electrical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204836609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107456079A (en) * | 2017-10-10 | 2017-12-12 | 湖北华强日用玻璃有限公司 | Infrared and ultraviolet heating kettle with health-preserving function |
| CN113253629A (en) * | 2020-05-09 | 2021-08-13 | 九阳股份有限公司 | Control circuit for electric heating kettle and electric heating kettle |
-
2015
- 2015-08-04 CN CN201520577650.2U patent/CN204836609U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107456079A (en) * | 2017-10-10 | 2017-12-12 | 湖北华强日用玻璃有限公司 | Infrared and ultraviolet heating kettle with health-preserving function |
| CN113253629A (en) * | 2020-05-09 | 2021-08-13 | 九阳股份有限公司 | Control circuit for electric heating kettle and electric heating kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528318 Guangdong Province, Foshan city Shunde District Leliu Street rich village Fu'an Intensive Industrial Zone No. 5-2-1 Patentee after: BEAR ELECTRIC APPLIANCE Co.,Ltd. Address before: 528322 Guangdong Province, Foshan city Shunde District Leliu Street rich village Fu'an Intensive Industrial Zone No. 5-2-1 Patentee before: GUANGDONG BEAR ELECTRIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |