CN219496902U

CN219496902U - Timing device and timing power supply system

Info

Publication number: CN219496902U
Application number: CN202320197643.4U
Authority: CN
Inventors: 余学渭
Original assignee: Ningbo High New Zone Xincheng Electronic Co ltd
Current assignee: Ningbo High New Zone Xincheng Electronic Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-08-08
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a timing device and a timing power supply system, wherein the timing device comprises a shell, a circuit board and an encoder are fixedly arranged in the shell, the circuit board is electrically connected with the encoder, a gear is sleeved on a rotating shaft of the encoder, an assembly hole is formed in the upper end of the shell, a timing knob is arranged in the assembly hole, an outer toothed ring is arranged at the lower end of the timing knob and meshed with the gear, a visual hole is formed in the timing knob, a display is coupled to the circuit board, and the display is correspondingly arranged with the visual hole. The rotary operation mode of the rotary knob is simpler and more direct, is convenient for the old to use, does not need to learn the operation process, and has the advantages of convenient operation, visual display, higher precision and lower cost.

Description

Timing device and timing power supply system

Technical Field

The utility model belongs to the technical field of timers, and particularly relates to a timing device and a timing power supply system.

Background

The timer is widely used in the present life, especially for the elderly, the timer can help the elderly to decoct medicines, take medicines, cook, exercise and the like at fixed time, is used for helping the elderly to determine time, and has great use. There are also many kinds of timers in the market, and the types of existing timers include mechanical timers and electronic intelligent timers.

The applicant has found that the current timers are mostly less suitable for use by elderly people. Firstly, the mechanical timer has poor performance and timing precision, and the observation reading is not recognized as visually as electronic, so that the mechanical timer is not suitable for the old; in addition, the existing electronic timer usually adopts a button type interaction mode, wherein the number of buttons on the body is one, two, more and seven or eight, and the user interface interaction logic of the electronic timer is deep layer by layer, so that the electronic timer is very inconvenient for the old, especially the old who has low cultural level and is not very suitable for electronic products, the use method of the electronic timer can not be basically learned, the learning cost is too high, and meanwhile, the situation that the setting errors such as pressing wrong buttons occur easily, and safety accidents occur.

Therefore, we propose a timing device that can combine the advantages of a mechanical timer with an electronic timer, and can be used by the elderly.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a timing device and a timing power supply system, which have the advantages of convenient operation, visual display, higher precision and lower cost, and solve the problem that the prior timer is inconvenient for the old to operate and use.

The timing device comprises a shell, wherein a circuit board and an encoder are fixedly arranged in the shell, the circuit board is electrically connected with the encoder, a gear is sleeved on a rotating shaft of the encoder, an assembly hole is formed in the upper end of the shell, a timing knob is arranged in the assembly hole, an outer toothed ring is arranged at the lower end of the timing knob and meshed with the gear, a visual hole is formed in the timing knob, and a display is coupled to the circuit board and is correspondingly arranged with the visual hole.

As a preferable mode of the utility model, a limit flange is formed at the joint of the timing knob and the external gear ring, the limit flange is inserted into the assembly hole, and the limit flange is in clearance fit with the assembly hole; and a positioning piece is clamped in the viewing hole, so that the timing knob is clamped on the assembly hole.

As the preferable mode of the utility model, the positioning piece comprises a light-transmitting piece, the light-transmitting piece is clamped in the sight hole, the lower surface of the light-transmitting piece is provided with a bracket, the tail end of the bracket is provided with a hook, and the tail end of the bracket is buckled on the inner wall of the shell through the hook.

The utility model also provides a timing power supply system which comprises an input unit used for being connected with an external power supply circuit and an output unit used for being connected with a load, and further comprises a timing device, wherein the input unit is connected with the output unit through a switch, and the timing device is electrically connected with the switch so as to control the switch to be opened and closed.

Preferably, the switch comprises at least one group of relays, and the circuit board is connected with the signal end of the relays to control the opening and closing of the relays, so as to control the on-off of the input unit and the output unit.

As a preferable mode of the utility model, a safety gate module is also arranged between the input unit and the output unit.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the encoder is driven to rotate by rotating through the components such as the timing knob, the gear and the like, and the required timing time is set through the processing of the circuit board, so that the button input of the common electronic timer is replaced by the operation mode of the timing knob, and the rotary operation mode of the knob is simpler and more direct, is convenient for the old to use and does not need to learn the operation process; and the display displays the timed time, so that the electronic timer has the advantages that: the display is clear and bright and is easy to recognize; that is, the timer adopts a mechanical operation mode and an electronic internal structure and display mode, and has the advantages of more convenience, more intuitionistic, easier operation, better performance and lower cost, thereby being greatly convenient for the old;

2. the timer is combined with the power supply circuit, and the power supply circuit is controlled by the timer, so that the circuit can be switched on or off at regular time, the power of the old can be off at regular time by the timer when the old uses the electric appliance, and potential safety hazards caused by forgetting to turn off the power of the old are prevented.

Drawings

FIG. 1 is a schematic diagram of a timer structure according to an embodiment of the present utility model;

FIG. 2 is a logic block diagram of a timer provided by an embodiment of the present utility model;

FIG. 3 is a schematic view of a positioning member according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a timing power supply system according to an embodiment of the present utility model;

fig. 5 is a logic block diagram of a timing power supply system according to an embodiment of the present utility model.

In the figure: 1. a housing; 2. a circuit board; 3. an encoder; 4. a gear; 5. a timing knob; 6. an outer toothed ring; 7. a display; 8. a limit flange; 9. a positioning piece; 901. a light transmitting sheet; 902. a bracket; 903. a hook; 10. an input unit; 11. an output unit; 12. a security door module.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

The embodiment of the utility model provides a timing device, as shown in fig. 1, which comprises a shell 1, wherein a circuit board 2 and an encoder 3 are fixedly arranged in the shell 1, the circuit board 2 is electrically connected with the encoder 3, a gear 4 is sleeved on a rotating shaft of the encoder 3, an assembly hole is formed in the upper end of the shell 1, a timing knob 5 is arranged in the assembly hole, an external tooth ring 6 is arranged at the lower end of the timing knob 5, the external tooth ring 6 is meshed with the gear 4, a visual hole is formed in the timing knob 5, a display 7 is coupled on the circuit board 2, and the display 7 is correspondingly arranged with the visual hole.

The encoder 3 can also be directly coupled to the circuit board 2, meanwhile, the encoder 3 can adopt other types of potentiometers, and can also be replaced by photoelectric switches, and the photoelectric switches mainly serve to capture the mechanical movement of the timing knob 5 and the gear 4 and convert the mechanical movement into an electric signal;

the circuit board 2 is provided with a processor chip for processing electric signals, generating and executing timing functions, the processor chip can adopt a singlechip and the like, is economical and simple, and the technologies of timing, output and display of the singlechip are the prior art which is mature in the market and known to those skilled in the art at present, and are not described in detail herein;

the encoder 3 is monitored by the singlechip at any time, and the rotation data of the encoder 3 are calculated and processed by the singlechip in real time and finally displayed on the display 7. Thus, when the old people use, the timing knob 5 is rotated, the old people can conveniently time, and the old people are visual and clear.

As shown in fig. 2, the timing device further comprises a power module for providing power to the timing device as a whole;

the power module generally converts household alternating current into direct current by adopting an AC/DC conversion mode, and supplies power to the circuit board 2, the display 7, the encoder 3 and the like, for example, converts household alternating current by adopting a transformer, a resistance-capacitance step-down mode, a switching power supply mode and the like.

A limit flange 8 is formed at the joint of the timing knob 5 and the external gear ring 6, the limit flange 8 is inserted into the assembly hole, and the limit flange 8 is in clearance fit with the assembly hole; therefore, the limit flange 8 is clamped and tightly attached to the inside of the assembly hole and can rotate, at the moment, the timing knob 5 is positioned outside the shell 1, and when the timing knob 5 is rotated, the timing knob 5 cannot shake horizontally due to the limitation of the inner wall of the assembly hole on the limit flange 8, so that a limit effect is achieved;

meanwhile, the outer toothed ring 6 extends into the shell 1, and the positioning piece 9 is clamped in the viewing hole, so that the timing knob 5 is clamped on the assembly hole, and the limit flange 8 is clamped in the assembly hole;

specifically, as shown in fig. 3, the positioning element 9 includes a light-transmitting sheet 901, the light-transmitting sheet 901 is clamped in the viewing hole, a bracket 902 is arranged on the lower surface of the light-transmitting sheet 901, a hook 903 is formed at the tail end of the bracket 902, and the tail end of the bracket 902 is buckled on the inner wall of the shell 1 through the hook 903;

therefore, the display 7 can display the outside through the outer toothed ring 6, the viewing hole and the light-transmitting sheet 901, and is visual and convenient.

When the timer is used by the old, the timer is often used together with electric appliances, such as an electromagnetic oven for cooking dishes, a heat preservation pot, an electric blanket and the like, and the electric appliances need to be turned off after a certain period of time when in use, and the timing function of the timer is convenient for the old to remember the time;

however, when people leave and rest, the electrical appliance may not be closed, and potential safety hazards are easily caused, so as shown in fig. 5, the utility model also provides a timing power supply system, which comprises an input unit 10 for connecting an external power supply circuit and an output unit 11 for connecting a load, and the system further comprises the timing device, wherein the input unit 10 and the output unit 11 are connected through a switch, and the circuit board 2 is electrically connected with the switch, so as to control the switch to be opened and closed.

As shown in fig. 4, the timing power supply system may be specifically formed as an extension socket, the input unit 10 thereof is a plug, and may be directly plugged into a household socket when in use, the output unit 11 thereof is a jack, and the electrical appliance may be connected to the jack when in use;

the timing device in the timing power supply system has the advantages that the shell 1 of the timing device can be integrally designed with the extension socket, so that the timing device is more attractive;

the switch arranged between the jack and the plug comprises at least one group of relays, and the circuit board 2 is connected with the signal end of the relays to control the opening and closing of the relays, so as to control the on-off between the input unit 10 and the output unit 11;

when the relay is specifically used, the signal output end of the circuit board 2 is connected to the coil pin of the relay, the input unit 10 and the output unit 11 are connected to the corresponding contacts of the relay, and after timing is finished, the circuit board 2 outputs signals to the relay, so that the control switch is turned off, the power of the electric appliance is automatically turned off, the old can be helped to control the closing of the electric appliance, and the potential safety hazard is reduced;

further, in this extension socket, still contain emergency exit module 12, this emergency exit module 12 sets up between plug and jack, and emergency exit module 12 seals the jack under conventional state, can automatic bullet open when the jack has the contact pin to insert, plays and prevents electric shock, dirt-proof effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a timing device, includes casing (1), its characterized in that, fixed mounting has circuit board (2) and encoder (3) in casing (1), and circuit board (2) are connected with encoder (3) electricity, and the cover is equipped with gear (4) in the pivot of encoder (3), and the pilot hole has been seted up to casing (1) upper end, is provided with timing knob (5) in the pilot hole, and the lower extreme of timing knob (5) is provided with outer ring gear (6), and outer ring gear (6) and gear (4) meshing, the last sight hole that has seted up of timing knob (5), the coupling has display (7) on circuit board (2), and display (7) correspond the setting with the sight hole.

2. The timing device according to claim 1, wherein a limit flange (8) is formed at the joint of the timing knob (5) and the outer gear ring (6), the limit flange (8) is inserted into the assembly hole, and the limit flange (8) is in clearance fit with the assembly hole; and a positioning piece (9) is clamped in the viewing hole, so that the timing knob (5) is clamped on the assembly hole.

3. The timing device according to claim 2, wherein the positioning piece (9) comprises a light-transmitting sheet (901), the light-transmitting sheet (901) is clamped in the viewing hole, a bracket (902) is arranged on the lower surface of the light-transmitting sheet (901), a hook (903) is formed by bending the tail end of the bracket (902), and the tail end of the bracket (902) is buckled on the inner wall of the shell (1) through the hook (903).

4. A timed power supply system comprising an input unit (10) for connection to an external power supply circuit and an output unit (11) for connection to a load, characterized in that the system further comprises a timing device according to any one of claims 1-3, said input unit (10) being connected to the output unit (11) via a switch, the timing device being electrically connected to the switch for controlling the opening and closing of the switch.

5. The timing power supply system according to claim 4, wherein the switch comprises at least one group of relays, and the circuit board (2) is connected with a signal end of the relays to control the opening and closing of the relays, so as to control the on-off of the input unit (10) and the output unit (11).

6. A timed power supply system according to claim 4, characterized in that a safety gate module (12) is also provided between the input unit (10) and the output unit (11).