CN202533745U - Perpetual calendar electronic clock capable of inducing external light rays - Google Patents
Perpetual calendar electronic clock capable of inducing external light rays Download PDFInfo
- Publication number
- CN202533745U CN202533745U CN2012201616144U CN201220161614U CN202533745U CN 202533745 U CN202533745 U CN 202533745U CN 2012201616144 U CN2012201616144 U CN 2012201616144U CN 201220161614 U CN201220161614 U CN 201220161614U CN 202533745 U CN202533745 U CN 202533745U
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- China
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- shell
- light rays
- external light
- photoresistance
- operated switch
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Abstract
The utility model discloses a perpetual calendar electronic clock capable of inducing external light rays, comprising a shell, a circuit board arranged in the shell and a display screen arranged on the shell. The display screen possesses a backlight source, the circuit board is equipped with a photosensitive resistor-type light-operated switch, and the photosensitive resistor-type light-operated switch possesses a photosensitive resistor used for inducing the external light rays and is in series connection with the backlight source, so that by utilizing the photosensitive resistor to induce the external light rays, when the external light rays weaken, the resistance of the photosensitive resistor is enlarged, and accordingly, the photosensitive resistor-type light-operated switch enables the backlight source to be communicated with a power supply to turn on the backlight source and show the information in the display screen clearly; conversely, when the external light rays strengthen, the backlight source is turned off, and accordingly, the backlight source can be turned on or turned off automatically according to the intensity of the external light rays, people check time at night without needing to have the aid of an external lighting device or press the switch manually, and the product use is very convenient.
Description
Technical field
The utility model relates to the electronic clock art, refers in particular to a kind of perpetual calendar electronic clock of responding to extraneous light.
Background technology
Electronic clock is also claimed digital display clock (digital clock); Be the device of a kind of when realizing, branch, second timing, compare that intuitive is its main distinguishing feature with mechanical watch with digital circuit technique; And because of on-mechanical drives; Have longer serviceable life, the quartzy movement of comparing crystal clock drives, and has more accuracy.Electronic clock has become requisite necessity in people's daily life, is widely used in public places such as individual family and station, harbour, theater, office, brings great convenience for people's life, study, work, amusement.
Yet present electronic clock generally is not provided with backlight, makes people under the more weak situation of light, can't check the time, need be by like exterior lighting equipment such as desk lamp, electric torchs, and product uses inconvenience comparatively; Even if having the electronic clock that backlight is set in the market; Yet the electronic clock of this kind band backlight; The unlatching of its backlight needs manually opened; Under the more weak situation of light, people need feel about in the dark and seek electronic clock and push hand switch and can view the time, and product uses same inconvenient.
The utility model content
In view of this; The utility model is to the disappearance of prior art existence; Its fundamental purpose provides a kind of perpetual calendar electronic clock of responding to extraneous light, its can effectively solve existing electronic clock need by exterior lighting equipment or manually push switch open backlight and can cause the product inconvenient problem with use time of viewing.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of perpetual calendar electronic clock of responding to extraneous light; Include shell, be arranged at the circuit board in this shell and be arranged at the display screen on the shell; This display screen has backlight; This circuit board is provided with photoresistance formula light-operated switch, and this photoresistance formula light-operated switch has the photoresistance that is used to respond to extraneous light, and this photoresistance formula light-operated switch and backlight are connected in series.
As a kind of preferred version, further include the hand switch that the control backlight is opened, this hand switch and photoresistance formula light-operated switch are connected in parallel, and this hand switch is through button control, and this button exposes outside the shell.
As a kind of preferred version, said button is arranged at the top of shell.
As a kind of preferred version, the top of said photoresistance is covered with transparency protected shell, and this transparency protected shell exposes the surface of button.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:
Through being provided with this photoresistance formula light-operated switch, utilize the photoresistance induction extraneous light of this photoresistance formula light-operated switch, when extraneous light dies down; It is big that the resistance of this photoresistance becomes, and makes photoresistance formula light-operated switch with the backlight energized, thereby open backlight; Clearly presenting the information in the display screen, otherwise, when the extraneous light grow; The resistance of this photoresistance, backlight is closed, and has realized that so backlight is according to the power of extraneous light and close automatically or open; Make people when checking the time, need not by exterior lighting equipment or manual push switch, product uses very convenient at night.
Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the product structure synoptic diagram of the preferred embodiment of the utility model;
Fig. 2 is the electrical block diagram of the preferred embodiment of the utility model.
The accompanying drawing identifier declaration:
10, shell 20, circuit board
21, photoresistance formula light-operated switch 211, photoresistance
22, power supply 30, display screen
101, hand switch 102, button
103, transparency protected shell
Embodiment
Shown in please seeing figures.1.and.2, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes shell 10, is arranged at the circuit board 20 in this shell 10 and is arranged at the display screen 30 on the shell 10.
This display screen 30 is used for various real-time information such as demonstration time, date; Display screen 30 has backlight 31; This circuit board 20 is provided with photoresistance formula light-operated switch 21; This photoresistance formula light-operated switch 21 has the photoresistance 211 that is used to respond to extraneous light, and the concrete structure of photoresistance formula light-operated switch 21 is not described in detail at this concrete structure to photoresistance formula light-operated switch 21 for existing mature technology; This photoresistance formula light-operated switch 21 is connected in series with backlight 31, thereby control backlight 31 is switched on or switched off with power supply 22; When extraneous light dies down; It is big that the resistance of this photoresistance 211 becomes; Make photoresistance formula light-operated switch 21 that the connection between backlight 31 and the power supply 22 is connected, this backlight 31 is opened, thereby makes and can clearly present the information in the display screen 30 under the situation a little less than light; Otherwise when the extraneous light grow, the resistance of this photoresistance 211 makes photoresistance formula light-operated switch 21 that the connection between backlight 31 and the power supply 22 is broken off, and the information in the display screen 30 need not to show by backlight 31 at this moment.
And; Further include the hand switch 101 that control backlight 31 is opened; This hand switch 101 is connected in parallel with photoresistance formula light-operated switch 21, and this hand switch 101 is through button 102 controls, and this button 102 exposes outside the shell 10; In the present embodiment, this button 102 is arranged at the top of shell 10; And the top of this photoresistance 211 is covered with transparency protected shell 103, the surface that this transparency protected shell 103 exposes button 102, and this photoresistance 211 can see through transparency protected shell 103 induction extraneous lights.
The design focal point of the utility model is: through being provided with this photoresistance formula light-operated switch, utilize the photoresistance induction extraneous light of this photoresistance formula light-operated switch, when extraneous light dies down; It is big that the resistance of this photoresistance becomes, and makes photoresistance formula light-operated switch with the backlight energized, thereby open backlight; Clearly to present the information in the display screen; Otherwise, when the extraneous light grow, the resistance of this photoresistance; Backlight is closed; Realized that so backlight closes automatically or open according to the power of extraneous light, made people when checking the time, need not by exterior lighting equipment or manual push switch at night, product uses very convenient.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. the perpetual calendar electronic clock that can respond to extraneous light; Include shell, be arranged at the circuit board in this shell and be arranged at the display screen on the shell; It is characterized in that: this display screen has backlight; This circuit board is provided with photoresistance formula light-operated switch, and this photoresistance formula light-operated switch has the photoresistance that is used to respond to extraneous light, and this photoresistance formula light-operated switch and backlight are connected in series.
2. the perpetual calendar electronic clock of responding to extraneous light according to claim 1; It is characterized in that: further include the hand switch that the control backlight is opened; This hand switch and photoresistance formula light-operated switch are connected in parallel; This hand switch is through button control, and this button exposes outside the shell.
3. the perpetual calendar electronic clock of responding to extraneous light according to claim 2, it is characterized in that: said button is arranged at the top of shell.
4. according to claim 2 or the 3 described perpetual calendar electronic clocks of responding to extraneous light, it is characterized in that: the top of said photoresistance is covered with transparency protected shell, and this transparency protected shell exposes the surface of button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201616144U CN202533745U (en) | 2012-04-16 | 2012-04-16 | Perpetual calendar electronic clock capable of inducing external light rays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201616144U CN202533745U (en) | 2012-04-16 | 2012-04-16 | Perpetual calendar electronic clock capable of inducing external light rays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533745U true CN202533745U (en) | 2012-11-14 |
Family
ID=47134916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201616144U Expired - Fee Related CN202533745U (en) | 2012-04-16 | 2012-04-16 | Perpetual calendar electronic clock capable of inducing external light rays |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533745U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514602A (en) * | 2017-06-26 | 2017-12-26 | 上海中建东孚投资发展有限公司 | A kind of multi-functional street lamp |
| CN108132594A (en) * | 2018-01-25 | 2018-06-08 | 广东工程职业技术学院 | Time display apparatus and system |
| CN112102743A (en) * | 2020-10-14 | 2020-12-18 | 上海众金智能科技有限公司 | Monochrome LCD (liquid crystal display) screen at bus stop |
-
2012
- 2012-04-16 CN CN2012201616144U patent/CN202533745U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514602A (en) * | 2017-06-26 | 2017-12-26 | 上海中建东孚投资发展有限公司 | A kind of multi-functional street lamp |
| CN108132594A (en) * | 2018-01-25 | 2018-06-08 | 广东工程职业技术学院 | Time display apparatus and system |
| CN112102743A (en) * | 2020-10-14 | 2020-12-18 | 上海众金智能科技有限公司 | Monochrome LCD (liquid crystal display) screen at bus stop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20140416 |