CN207677742U

CN207677742U - A kind of clock

Info

Publication number: CN207677742U
Application number: CN201721567881.0U
Authority: CN
Inventors: 严泽远
Original assignee: Guangzhou China Electronic Technology Co Ltd
Current assignee: Guangzhou China Electronic Technology Co Ltd
Priority date: 2017-11-20
Filing date: 2017-11-20
Publication date: 2018-07-31
Anticipated expiration: 2027-11-20

Abstract

The utility model is related to a kind of clock, which includes display module, real-time clock module, network module and main control module, and the display module, real-time clock module and network module are connected with the main control module respectively.The utility model is using existing very universal network signal as transmission platform, automatic connection network time server (NTP), and NTP is used to carry out self-calibrating as high accuracy real-time clock, without any regulating key, achieve the purpose that during clock use without any manual operation, without being calibrated, being kept for a long time accurately to show real-time time to clock repeatedly.

Description

A kind of clock

Technical field

The utility model is related to a kind of clocks.

Background technology

Currently, well known clock huge number, adjustment time majority needs are manually set, and can be produced after clock long-time use Raw error, impacts our work and life.This just needs us to remove manual calibration clock at regular intervals, calibration Process usually requires to use some buttons, and is operated according to certain step, this process needs take a moment, and after calibration Time precision depend on our manual calibration operating method and the reference of calibration when institute clock source, when clock source precision goes out When existing large error, the precision after we calibrate will also be affected.Especially needing the occasion of multiple digital display clocks such as School, hospital, airport, station etc. can hang large number of clock, if different mistakes occurs in each clock after long-time use Difference there are problems that needing calibration error.

Utility model content

The utility model in view of the above-mentioned problems existing in the prior art, provides a kind of clock.

The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of clock, including display module, it is real-time when Clock module, network module and main control module, the display module, real-time clock module and network module respectively with the master control mould Block is connected；

The utility model has the beneficial effects that：Using existing very universal network signal as transmission platform, connect automatically Network time server (NTP) is connect, and NTP is used to carry out self-calibrating as high accuracy real-time clock, is not necessarily to any regulating key, Reach and is not necessarily to any manual operation forever during clock use, without being calibrated, being kept for a long time essence to clock repeatedly The really purpose of display real-time time.Even if under the unstable environment of network signal, the utility model built-in real-time clock module (RTC), be capable of providing more accurate local timing just can realize and NTP network time servers once being successfully connected network Precise time automatic synchronization, be not necessarily to manual intervention.

Based on the above technical solution, the utility model can also do following improvement.

Further, the display module includes six Digital sum displays and charactron drive module, and six Digital sum is aobvious Show that device is connected with the charactron drive module, the number drive module is connected with the main control module.

Advantageous effect using above-mentioned further scheme is：Using the display mode of six Arabic numerals, two hours, Two minutes, two bps clocks, check that the time is clear and intuitive, more readable than pointer clock.

Further, which further includes status indicator lamp, and the status indicator lamp is connected with the main control module.

Advantageous effect using above-mentioned further scheme is：Clock operating status is judged by status indicator lamp convenient for user It is whether normal.

Further, which further includes power module.

A kind of administrative center of clock, the administrative center are connected by the network module with the clock.

Advantageous effect using the above scheme is：Remote centralized management is carried out by administrative center, obtains work in time State is particularly suitable for needing the application scenario of more clocks, have at low cost, simple in structure, using flexible, convenient and reliable spy Point is convenient for large-scale promotion.

Description of the drawings

Fig. 1 is a kind of structure diagram for clock that the utility model embodiment provides；

Fig. 2 is that the clock that the utility model embodiment provides carries out network connection with network time server and administrative center Schematic diagram；

Fig. 3 is the structure diagram for another clock that the utility model embodiment provides.

Specific implementation mode

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality It is novel, it is not intended to limit the scope of the utility model.

Fig. 1 is a kind of structure diagram for clock that the utility model embodiment provides, as shown in Figure 1, the clock includes aobvious Show module, real-time clock module, network module and main control module, the display module, real-time clock module and network module point It is not connected with the main control module.

Specifically, main control module may be used computer processor or can be used using realizations, network modules such as microcontrollers WIFI module etc..It is that bi-directional data is logical between real-time clock module and main control module and between network module and main control module News, this communication modes can be serial ports, SPI, I2C etc..

By taking WIFI module as an example, when establishing network connection, user is searched for by the equipment that mobile phone, computer etc. can network WIFI network signal, and correct WIFI network is selected to be attached, WIFI routers in the connection request for receiving user, Web page is returned to, user input router title, access password, router address in the page, addresses NTP etc. complete to match It sets, in this way, as shown in Fig. 2, clock can be linked by network module and WIFI routers, is then connected by WIFI routers To the internets Internet, it is thus connected to network time server and obtains accurate temporal information.

It is well known that the development of internet and 3G, 4G and it is universal basically reached comprehensive covering, utilize internet This basic resource realizes low cost, reliable Long-range Data Transmission without the dedicated transmission link of establishing of high cost. The utility model connects network time server (NTP) automatically using existing very universal network signal as transmission platform, And NTP is used to carry out self-calibrating as high accuracy real-time clock, it is not necessarily to any regulating key, is reached during clock use forever Far it is not necessarily to any manual operation, the purpose without being calibrated, being kept for a long time accurately display real-time time to clock repeatedly.

NTP network time servers have been able to provide time precision (the NTP time source essences of 1-50ms ranks in internet Degree is 300,000 years errors only 1 second), this is also the precision that our manual setting clocks are much not achieved, so the utility model Internet and NTP are combined, the time calibrated can be never needed.

Even if under the unstable environment of network signal, the utility model built-in real-time clock module (RTC) is capable of providing (local RTC modules can provide the precision of ± 2ppm, be equivalent to 24 hours one day 173 millis of worst error for more accurate local timing Second), once being successfully connected network, the precise time automatic synchronization with NTP network time servers just can be realized, without artificial Intervene.

In the occasion for needing many clocks, such as school, hospital, airport, station occasion, this automatic school of the utility model Quasi- mode has been saved calibrates the time it takes and manpower, high-precision time and also has our work and life repeatedly one by one The unified and accurate reliable time can refer to, at low cost, simple in structure, easy to use and reliable, be convenient for large-scale promotion.

In addition, the clock shell can be plastic shell, metal shell or wooden shell, the form of clock can be Table top type can also be wall-mounted.

Optionally, in this embodiment, as shown in figure 3, the display module includes six Digital sum displays and charactron Drive module, the six Digital sums display are connected with the charactron drive module, the number drive module and the master Module is controlled to be connected.

Specifically, six Digital sum displays are made of 6 numbers and two colons, can be LED charactrons, liquid crystal display Device, glow numerating tube, fluorescent character-display tube or LED dot array module.

Main control module sends control signal when switching each second and gives charactron drive module, refreshes charactron driving Each digital content that should show of module.Charactron drive module control display shows corresponding digital content to form Two hours, two minutes, two bps clocks real-time time.The time showing of six Arabic numerals is clear and intuitive, compares pointer Formula clock is more readable.

Optionally, in this embodiment, as shown in figure 3, the clock further includes status indicator lamp.

Specifically, status indicator lamp can intuitively show current network connection state, there are three types of color states altogether.Wherein Red represents and is currently not connected with any network, and yellow representative has been successfully connected to network, but is not attached to ntp server, green Representative is already connected to network and is successfully connected ntp server.

Optionally, in this embodiment, which further includes power module, and the power module provides electricity for the clock Source.

A kind of administrative center of clock, administrative center are connected by network module with the clock.

Specifically, as shown in Fig. 2, the network module of clock is communicated by WIFI routers with administrative center, and to Administrative center sends network connection state, can confirm its generation when administrative center judges the network connection status exception of clock Failure, so as to repair in time or other processing.In the occasion for needing many clocks, such as school, hospital, airport, vehicle It the occasions such as stands, administrative center judges the network connection state and each clock and network of each clock and administrative center successively Network connection state between time server, to realize the remote centralized management to multiple clocks.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims

1. a kind of clock, which is characterized in that described aobvious including display module, real-time clock module, network module and main control module Show that module, real-time clock module and network module are connected with the main control module respectively.

2. clock according to claim 1, which is characterized in that the display module includes six Digital sum displays and number Pipe drive module, the six Digital sums display are connected with the charactron drive module, it is described number drive module with it is described Main control module is connected.

3. clock according to claim 1, which is characterized in that further include status indicator lamp, the status indicator lamp and institute Main control module is stated to be connected.

4. clock according to claim 1, which is characterized in that further include power module.