CN201585846U - Timing alarming circuit and device - Google Patents
Timing alarming circuit and device Download PDFInfo
- Publication number
- CN201585846U CN201585846U CN2009202605997U CN200920260599U CN201585846U CN 201585846 U CN201585846 U CN 201585846U CN 2009202605997 U CN2009202605997 U CN 2009202605997U CN 200920260599 U CN200920260599 U CN 200920260599U CN 201585846 U CN201585846 U CN 201585846U
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- Prior art keywords
- circuit
- timing
- microprocessor
- buzzer
- battery
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- Expired - Fee Related
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- Measurement Of Predetermined Time Intervals (AREA)
- Cookers (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a timing alarming circuit used for timing alarming of a pressure cooker. The timing alarming circuit comprises a microprocessor, a display circuit, a battery power detection circuit, a buzzer driving circuit, a key circuit and a pressure reducing circuit, wherein the display circuit is connected with the microprocessor; the battery power detection circuit is connected with the microprocessor, the buzzer driving circuit comprises a buzzer and a buzzer driving chip; the buzzer driving chip is connected with the microprocessor; the key circuit comprises a key K1 and a key K2, and the key K1 and key K2 are connected with the microprocessor; and the pressure reducing circuit is connected with the microprocessor. The utility model also provides a timing alarming device. The timing alarming circuit and the timing alarming device adopt a simple circuit structure, and realize intelligent timing alarming of the pressure cooker.
Description
[technical field]
The utility model relates to a kind of warning circuit, relates in particular to a kind of timing alarming circuit and device.
[background technology]
The timer of existing pressure cooker is provided with inductance, be located on the inductance seat be provided with magnet steel can with the spring leaf of the control timer control strip work of inductance upper end clutch and the controller that constitutes by the fixing insulated conductive member of joining with the spring leaf cunning of spring, in the handle of pressure cooker or protective case, be provided with the timer that has controller, battery and tongue tube, the air bleeding valve of pressure cooker is to have the air bleeding valve that tangent line steam vent outer rim part studs with magnet steel, tongue tube is near air bleeding valve, conducting strip in the timer is connected with the positive pole of battery with the spring leaf on the inductance, another conducting strip in the timer is connected with the positive pole of battery with the spring leaf on the inductance, and another conducting strip in the timer is connected with the positive pole of buzzer.Therefore, intelligence and regularly not accurate enough anomalies such as water dryouies, meal burns occur through regular meeting inadequately.
[utility model content]
The technical problems to be solved in the utility model provides a kind of timing alarming circuit and device, adopts simple circuit configuration, realizes the intelligence timing accurately of pressure cooker.
The timing alarm that the utility model provides a kind of timing alarming circuit to be used for pressure cooker, comprise microprocessor (Micro-Processor Unit, MCU), display circuit is connected in microprocessor; The battery electric quantity testing circuit is connected in microprocessor; Buzzer drive circuit comprises that buzzer and buzzer drive chip, and wherein buzzer drives chip and is connected in microprocessor; Key circuit comprises button K1 and button K2, and button K1 and button K2 all are connected in microprocessor; Reduction voltage circuit is connected in microprocessor.The utility model also provides a kind of timing alarm apparatus.
As further improvement of the utility model, this timing alarming circuit also comprises battery, battery electric quantity testing circuit wherein, and buzzer drive circuit and reduction voltage circuit all are connected with battery.
As further improvement of the utility model, the key circuit in this timing alarming circuit also comprises resistance R 3 and resistance R 4, and wherein resistance R 3 is connected between button K1 and the ground, and resistance R 4 is connected between button K2 and the ground.
The utility model also provides a kind of timing alarm apparatus, comprises this timing alarming circuit.
As further improvement of the utility model, this timing alarm apparatus also comprises display screen and timer.
As further improving according to right is of the present utility model, the display screen of this timing alarm apparatus comprises the time setting area, countdown viewing area and electric weight viewing area, wherein the time setting area adopts two digits to show the time, and the countdown viewing area is adopted and was shown in dynamic second.Display screen and timing alarming circuit are arranged at the middle part of timing alarm apparatus.
Timing alarm apparatus provided by the utility model can be installed on the handle of pressure cooker.
Timing alarming circuit provided by the utility model and device adopt simple circuit configuration, realize the timing alarm of pressure cooker.
[description of drawings]
Fig. 1 is the circuit diagram of the utility model timing alarming circuit;
Fig. 2 is the schematic diagram of the utility model timing alarm apparatus display screen;
Fig. 3 is the constitutional diagram of the utility model timing alarm apparatus display screen and fixture;
Fig. 4 is the design sketch that the utility model timing alarm apparatus is installed on the pressure cooker handle.
[specific embodiment]
Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:
Be the circuit diagram of the utility model timing alarming circuit as shown in Figure 1.In the present embodiment, this timing alarming circuit comprises microprocessor MCU, display circuit 10, battery electric quantity testing circuit 20, buzzer drive circuit 30, key circuit 40 and reduction voltage circuit 50.Display circuit 10 is connected in microprocessor MCU.Battery electric quantity testing circuit 20 is connected in microprocessor MCU.Buzzer drive circuit 30 comprises that buzzer BUZZ1 and buzzer drive chip 301, and wherein buzzer drives chip 301 and is connected in microprocessor MCU.Key circuit 40 comprises button K1 and button K2, and button K1 and button K2 all are connected in microprocessor MCU.Reduction voltage circuit 50 is connected in microprocessor MCU.
In the present embodiment, this timing alarming circuit also comprises the battery (not shown), its output voltage V Bat.Wherein, battery electric quantity testing circuit 20, buzzer drive circuit 30 and reduction voltage circuit 50 all are connected with battery.In the present embodiment, this battery can adopt button cell.
In the present embodiment, this key circuit 40 also comprises resistance R 3 and resistance R 4, and wherein resistance R 3 is connected between button K1 and the ground, and resistance R 4 is connected between button K2 and the ground.
In the present embodiment, buzzer BUZZ1 is connected between battery and the buzzer chip 301.Reduction voltage circuit 50 also comprises the second battery BATT, is connected with battery.
In the present embodiment, this reduction voltage circuit 50 is the 2.5V reduction voltage circuit.
See also Fig. 2 and Fig. 3, Fig. 2 is the schematic diagram of the utility model timing alarm apparatus display screen, and Fig. 3 is the constitutional diagram of the utility model timing alarm apparatus display screen and fixture.The employed circuit structure of timing alarm apparatus is a timing alarming circuit.This timing alarm apparatus comprises display screen and timer.Wherein, display screen comprises the time setting area, countdown viewing area and electric weight viewing area; Wherein the time setting area adopts two digits to show the time, and the countdown viewing area is adopted and shown in dynamic second.Display screen and timing alarming circuit are arranged at the middle part of timing alarm apparatus.
In the present embodiment, this timing alarm apparatus adopts high temperature resistant material (for example: nylon 66 adds fibre), the design of button bit formula.This setting area adopts double figures to show minute time, with two contact buttons, realizes setting in 00～99 minute.This countdown viewing area is second demonstration dynamically, and 6 sections fan types show that rotation in 10 seconds reduces by lattice.This electric weight viewing area is carried out the electric weight battery electric quantity and is shown, shows Full Charge Capacity, 2/3 electric weight, 1/3 electric weight, electric weight deficiency respectively, the reminding user to replace battery.
In the present embodiment, this timing alarm apparatus comprises that also the time adjusts button, adjusts simple and conveniently, only use+,-two buttons.Regularly finish, send loud buzzer, remind the user.
The function of this timing alarm apparatus also can be selected as required.
Seeing also Fig. 4 is the design sketch that the utility model timing alarm apparatus is installed on the pressure cooker handle.Use on the handle of the pressure cooker that this timing alarm apparatus can be installed on.
Timing alarming circuit provided by the utility model and device adopt simple circuit configuration, realize the intelligent timing alarm of pressure cooker.And this timing alarm apparatus both can be made monomer, was designed to easy dress, tear structure open, was contained on the conventional high-tension pot, can directly be designed on the new high pressure pot handle again.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. timing alarming circuit is used for the timing alarm of pressure cooker, it is characterized in that, also comprises:
Microprocessor;
Display circuit is connected in described microprocessor;
The battery electric quantity testing circuit is connected in described microprocessor;
Buzzer drive circuit comprises that buzzer and buzzer drive chip, and wherein said buzzer drives chip and is connected in described microprocessor;
Key circuit comprises button K1 and button K2, and described button K1 and button K2 all are connected in described microprocessor; And
Reduction voltage circuit is connected in described microprocessor.
2. timing alarming circuit according to claim 1 is characterized in that: also comprise battery, wherein said battery electric quantity testing circuit, buzzer drive circuit and reduction voltage circuit all are connected with described battery.
3. timing alarming circuit according to claim 2 is characterized in that: described key circuit also comprises resistance R 3 and resistance R 4, and wherein said resistance R 3 is connected between described button K1 and the ground, and described resistance R 4 is connected between described button K2 and the ground.
4. timing alarming circuit according to claim 2 is characterized in that: described buzzer is connected between described battery and the described buzzer chip.
5. timing alarming circuit according to claim 2 is characterized in that: described reduction voltage circuit also comprises second battery, is connected with described battery.
6. timing alarm apparatus is used for the timing alarm of pressure cooker, it is characterized in that: comprise that claim 1 is to each described timing alarming circuit of claim 5.
7. timing alarm apparatus according to claim 6 is characterized in that: also comprise display screen and timer.
8. timing alarm apparatus according to claim 7, it is characterized in that: described display screen comprises the time setting area, countdown viewing area and electric weight viewing area, setting area of wherein said time adopt two digits to show the time, and described countdown viewing area is adopted and shown in dynamic second.
9. timing alarm apparatus according to claim 8 is characterized in that: described display screen and described timing alarming circuit are arranged at the middle part of described timing alarm apparatus.
10. timing alarm apparatus according to claim 9 is characterized in that: be installed on the handle of described pressure cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202605997U CN201585846U (en) | 2009-11-20 | 2009-11-20 | Timing alarming circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202605997U CN201585846U (en) | 2009-11-20 | 2009-11-20 | Timing alarming circuit and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201585846U true CN201585846U (en) | 2010-09-22 |
Family
ID=42745612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202605997U Expired - Fee Related CN201585846U (en) | 2009-11-20 | 2009-11-20 | Timing alarming circuit and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201585846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000475A (en) * | 2014-06-10 | 2014-08-27 | 佛山市顺德区美的电热电器制造有限公司 | Countdown display method and display device for cooking equipment and cooking equipment |
| CN110664282A (en) * | 2018-07-03 | 2020-01-10 | 九阳股份有限公司 | Portable food processor and control method |
-
2009
- 2009-11-20 CN CN2009202605997U patent/CN201585846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000475A (en) * | 2014-06-10 | 2014-08-27 | 佛山市顺德区美的电热电器制造有限公司 | Countdown display method and display device for cooking equipment and cooking equipment |
| CN110664282A (en) * | 2018-07-03 | 2020-01-10 | 九阳股份有限公司 | Portable food processor and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20161120 |