CN212874354U

CN212874354U - Timer and electric appliance

Info

Publication number: CN212874354U
Application number: CN202021450377.4U
Authority: CN
Inventors: 黄振雄; 申亮; 杨兵; 钟伟强
Original assignee: Guangdong Shunde Ouning Technology Electrical Appliance Co ltd
Current assignee: Guangdong Shunde Ouning Technology Electrical Appliance Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-02
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a timer and electrical apparatus of oven fryer, the timer includes timing circuit and adjustment mechanism, timing circuit includes the potentiometre, and the adjust knob and the adjustment mechanism transmission of potentiometre are connected, through adjustment mechanism adjusts the resistance of potentiometre realizes timing circuit's timing, adjustment mechanism includes rack and gear, rack and gear engagement, the gear is connected with the adjust knob transmission of potentiometre. When the timing circuit is used, the rack is poked to drive the gear to rotate, so that the adjusting knob of the potentiometer is driven, the resistor of the potentiometer in the timing circuit is adjusted, and timing is realized. The utility model discloses timer's structure is applicable to long and narrow installation environment.

Description

Timer and electric appliance

Technical Field

The utility model relates to an electrical apparatus control field, more specifically relates to a timer and electrical apparatus.

Background

At present, the timing function of the household appliance is realized by a timer. The timer usually comprises a timing circuit and an adjusting mechanism, the timing circuit comprises a potentiometer, an adjusting knob of the potentiometer is in transmission connection with the adjusting mechanism, and the resistance value of the potentiometer is adjusted through the adjusting mechanism to realize the timing of the timing circuit.

Currently, the adjustment mechanism on a household appliance is usually in the form of a knob. The electric fan disclosed in patent 200620086621.7 uses a knob to adjust the timing. However, this method has certain limitations, and some electric appliances have a long and narrow shape for installing the timer due to the structural design, which is not suitable for using knob adjustment, so that other forms of adjusting mechanisms are required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art the electrical apparatus on install the timer the position be not suitable for when long and narrow shape adopt knob regulation timing defect, provide a timer and electrical apparatus, be applicable to the timer that the installation position is long and narrow shape.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the timer comprises a timing circuit and an adjusting mechanism, wherein the timing circuit comprises a potentiometer, an adjusting knob of the potentiometer is in transmission connection with the adjusting mechanism, the adjusting mechanism adjusts the resistance value of the potentiometer to achieve timing of the timing circuit, the adjusting mechanism comprises a rack and a gear, the rack is meshed with the gear, and the gear is in transmission connection with the adjusting knob of the potentiometer.

Timer, compare produced beneficial effect with prior art and be: the utility model discloses it is rotatory to drive the gear through stirring the rack when the timer uses, and then drives the adjust knob of potentiometre, realizes the regulation of potentiometre resistance among the timing circuit, realizes regularly. The structure of the utility model is suitable for long and narrow installation environment.

Preferably, the gear is in coaxial transmission connection with an adjusting knob of the potentiometer.

Preferably, a shifting button is arranged on the rack, one side of the rack is toothed, the other side of the rack is toothless, and the shifting button is arranged on the toothless side of the rack.

Preferably, the toggle button is arranged in the middle of the toothless side of the rack.

Preferably, the rack is arc-shaped, and the toggle button is arranged on the outer side of the arc-shaped rack.

Preferably, the timer still includes the panel, be provided with rectangular hole on the panel, dial the button and spacing in rectangular hole.

Preferably, the panel is embedded in the housing of the appliance.

Preferably, a timing scale mark is arranged on the panel.

Preferably, the timing circuit further comprises a digital-to-analog converter, a single chip microcomputer and a relay, wherein the input end of the digital-to-analog converter is connected with the potentiometer, the input end of the digital-to-analog converter is connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is connected with the control end of the relay, and the relay is used for controlling the power-on or power-off of an electric appliance load.

The utility model also provides an electrical apparatus, include the timer.

Electric appliance, compare produced beneficial effect with prior art and be: the timer is included, so that the technical effect is brought by the timer, and the technical effect is the same as the beneficial effect of the timer, and is not repeated.

Drawings

Fig. 1 is a plan view of a timer according to embodiment 1.

Fig. 2 is a front view of the timer of embodiment 1.

Fig. 3 is a schematic diagram of a timing circuit according to embodiment 1.

Wherein: 1. a potentiometer; 2. a rack; 3. a gear; 4. a toggle button is pushed; 5. a panel; 6. a digital-to-analog converter; 7. a single chip microcomputer; 8. a relay; 9. and (4) loading.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1-2, this embodiment provides a timer, which includes a timing circuit and an adjusting mechanism, where the timing circuit includes a potentiometer 1, an adjusting knob of the potentiometer 1 is in transmission connection with the adjusting mechanism, and the adjusting mechanism adjusts a resistance value of the potentiometer 1 to achieve timing of the timing circuit, and includes a rack 2 and a gear 3, where the rack 2 is engaged with the gear 3, and the gear 3 is in transmission connection with the adjusting knob of the potentiometer 1.

The gear 3 is coaxially connected with an adjusting knob of the potentiometer 1 in a transmission way.

The gear rack 2 is provided with a shifting button 4, one side of the gear rack 2 is provided with teeth, the other side of the gear rack 2 is toothless, and the shifting button 4 is arranged on the toothless side of the gear rack 2.

The toggle button 4 is arranged in the middle of the toothless side of the rack 2.

The rack 2 is arc-shaped, and the toggle button 4 is arranged on the outer side of the arc-shaped rack 2.

The timer still includes panel 5, be provided with rectangular shape hole on the panel 5, dial button 4 spacing in rectangular shape hole. The toggle button 4 can slide in the elongated air.

The panel 5 is embedded in the housing of the appliance.

And timing scale marks are arranged on the panel 5. The timing tick marks are used to display the timed time.

As shown in fig. 3, the timing circuit further includes a digital-to-analog converter 6, a single chip microcomputer 7, and a relay 8, wherein an input terminal of the digital-to-analog converter 6 is connected to the potentiometer 1, an input terminal of the digital-to-analog converter 6 is connected to an input terminal of the single chip microcomputer 7, an output terminal of the single chip microcomputer 7 is connected to a control terminal of the relay 8, and the relay 8 is used for controlling the power-on or power-off of an. The timing circuit is a simple and common timing circuit and is widely applied to timing of household appliances at present.

When the timer is used, the rack 2 is stirred to drive the gear 3 to rotate through the handheld stirring button 4, so that the adjusting knob of the potentiometer 1 is driven, the resistance of the potentiometer 1 in the timing circuit is adjusted, and timing is realized. The configuration of the present embodiment is suitable for a long and narrow installation environment.

Example 2

The embodiment provides an electric appliance comprising the timer.

The same or similar reference numerals correspond to the same or similar parts;

the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;

it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The timer comprises a timing circuit and an adjusting mechanism, wherein the timing circuit comprises a potentiometer (1), an adjusting knob of the potentiometer (1) is in transmission connection with the adjusting mechanism, and the adjusting mechanism adjusts the resistance of the potentiometer (1) to achieve timing of the timing circuit, and is characterized in that the adjusting mechanism comprises a rack (2) and a gear (3), the rack (2) is meshed with the gear (3), and the gear (3) is in transmission connection with the adjusting knob of the potentiometer (1).

2. The timer according to claim 1, characterized in that the gear wheel (3) is in coaxial driving connection with the adjustment knob of the potentiometer (1).

3. The timer according to claim 1, wherein the rack (2) is provided with a dial button (4), one side of the rack (2) is toothed, and the other side is toothless, and the dial button (4) is arranged on the toothless side of the rack (2).

4. The timer according to claim 3, wherein the toggle button (4) is arranged at a central position on the toothless side of the rack (2).

5. The timer according to claim 3, wherein the rack (2) is arc-shaped, and the toggle button (4) is arranged outside the arc-shaped rack (2).

6. The timer according to claim 3, further comprising a panel (5), wherein the panel (5) is provided with a strip-shaped hole, and the toggle button (4) is limited in the strip-shaped hole.

7. Timer according to claim 6, characterized in that the panel (5) is embedded in the housing of the appliance.

8. The timer according to claim 6, wherein timing scale marks are provided on the panel (5).

9. The timer according to claim 1, wherein the timing circuit further comprises a digital-to-analog converter (6), a single chip microcomputer (7) and a relay (8), an input end of the digital-to-analog converter (6) is connected with the potentiometer (1), an input end of the digital-to-analog converter (6) is connected with an input end of the single chip microcomputer (7), an output end of the single chip microcomputer (7) is connected with a control end of the relay (8), and the relay (8) is used for controlling the power-on or power-off of an electrical load (9).

10. An electrical appliance comprising a timer according to any one of claims 1 to 9.