CN217333125U - Clock device - Google Patents

Abstract

The application relates to a clock device comprising: the master clock comprises a master clock main machine, an antenna, a secondary clock device, a countdown controller and a countdown secondary clock. The master clock host is provided with a first bidirectional communication interface and is electrically connected with the secondary clock device through the first bidirectional communication interface so as to receive a secondary clock time signal fed back by the secondary clock device. The master clock host is also provided with a second bidirectional communication interface, and the master clock host is electrically connected with the countdown controller through the second bidirectional communication interface so as to receive countdown time signals fed back by the countdown controller. The countdown sub-clock is electrically connected with the countdown controller. The master clock host is also provided with a detection module, the detection module is electrically connected with the antenna, GPS and Beidou time signals which take the atomic clock as a reference are received through the antenna to serve as reference signals, the sub-clock time signals and the countdown time signals are calibrated through the reference signals, whether time deviation exists in each sub-clock device and the countdown controller or not is detected, errors are accumulated, error correction is carried out, and time accuracy is guaranteed.

Description

Clock device

Technical Field

The application relates to the technical field of real-time clocks, in particular to a clock device.

Background

With the rapid development of modern science and technology, a large number of new time and frequency application groups are generated, such as the services of program recording and broadcasting in the broadcast television industry, the financial industry, the communication field, trains, airplanes and the like, ticket selling systems in various channels and the like. The time synchronization or the time accuracy is required to be kept in a large range in places such as hotels, restaurants, industrial and mining enterprises, schools, large public entertainment places and the like, people have higher precision requirements on the time, and a mode commonly adopted at present is that a computer and an NTP time server are synchronized regularly through a network.

However, due to the influence of network environment, the computer clock is less timekeeping, generally has a deviation of at least 35 ms, and the maximum time may exceed 1 second. Inaccuracies in the clock may cause problems such as playout confusion, data errors and loss, customer complaints, and the like. Especially, the clock system of the television station is important, the time is the information password that the broadcasting center, the information exchange center, the recording and broadcasting room provide unification and system operation, the accurate time signal and display, guarantee the coordination and connection of each link of the broadcasting flow of the program, and whether it is stable or not directly concerns the safe broadcasting of the television station. In the aspect of system management, each machine room or broadcast control room in different places of different buildings has time service equipment with different requirements, and time service time with different requirements, such as countdown time based on GPS standard time and the like, is not convenient to manage and complex on the premise of guaranteeing time accuracy millisecond-level errors and not accumulating, so that a clock device with better time keeping property is urgently needed to service time for each machine room or broadcast control room.

Disclosure of Invention

In view of the above, the present application provides a clock apparatus, which aligns the time signal of each sub-clock with the main clock in real time to improve the time accuracy.

According to an aspect of the present application, there is provided a clock apparatus including:

the master clock comprises a master clock host, an antenna, a secondary clock device, a countdown controller and a countdown secondary clock;

the master clock host is provided with a first bidirectional communication interface and is electrically connected with the secondary clock device through the first bidirectional communication interface so as to receive a secondary clock time signal fed back by the secondary clock device;

the master clock host is also provided with a second bidirectional communication interface and is electrically connected with the countdown controller through the second bidirectional communication interface so as to receive countdown time signals fed back by the countdown controller;

the countdown sub-clock is electrically connected with the countdown controller;

the master clock host is further provided with a detection module, the detection module is electrically connected with the antenna, so that GPS and Beidou time signals which take an atomic clock as a reference are received through the antenna and serve as reference signals, and the sub-clock time signals and the countdown time signals are calibrated through the reference signals.

In a possible implementation manner, the master clock host is further provided with a display screen, the display screen is arranged on the side face of the master clock host, and the display screen is suitable for displaying real-time.

In a possible implementation manner, the master clock main machine is further provided with a change-over switch, and the change-over switch is suitable for switching the type of the signal received by the master clock main machine;

the change-over switch is arranged on one side surface, provided with the display screen, of the master clock host.

In a possible implementation manner, the master clock main machine is further provided with a signal indicator light and a power indicator light;

the power indicator light and the signal indicator light are arranged on one side face, provided with the display screen, of the main clock body.

In a possible implementation manner, the first bidirectional communication interface and the second bidirectional communication interface are both disposed on the same side of the master clock host, and the first bidirectional communication interface and the display screen are respectively located on two adjacent sides of the master clock host;

the master clock main machine is also provided with a power interface and a power switch;

the power interface and the power switch are arranged adjacent to each other, and the power interface and the power switch are both positioned on one side surface, provided with the first bidirectional communication interface, of the master clock host.

In a possible implementation manner, the master clock host is further provided with an antenna interface, and the master clock host is electrically connected with the antenna through the antenna interface;

the antenna interface is arranged on one side surface of the master clock main machine, which is provided with the first bidirectional communication interface.

In a possible implementation manner, the master clock host is further provided with an LTC output interface;

the LTC output interface is arranged on one side face, provided with the first bidirectional communication interface, of the master clock host.

In a possible implementation mode, the master clock host is also provided with an RS-232 interface;

the RS-232 interface is arranged on one side surface, provided with the first bidirectional communication interface, of the master clock main machine.

In one possible implementation, the countdown controller is provided with a control button;

the number of the control buttons is four, and the four control buttons are suitable for editing countdown time.

In one possible implementation, the sub-clock device is multiple;

the plurality of sub-clock devices are arranged in series, and any sub-clock device is electrically connected with the master clock host.

The method and the device are suitable for sending the time signals sent by the positioning satellite to each machine room or broadcasting control room of different buildings at different places of a television station. The signal source of the master clock host is from GPS (global positioning system) and Beidou time signal which are received by the antenna and take the atomic clock as the benchmark, the time signal sent by the positioning satellite is received and added with the calculated delay, and still can be kept in the precision of millisecond, and the timing precision can be further improved according to the requirements of special users, thereby providing reliable service guarantee for the users needing precise benchmark time. The master clock host is provided with a detection module, the detection module compares a sub-clock time signal and a countdown time signal received by the master clock host with a reference signal, detects whether time offset, accumulated errors and the like exist in each sub-clock device and the countdown controller, corrects errors, returns the corrected time signal to the sub-clock device and the countdown controller, and calibrates the time signal by adopting a conventional technical means in the field. So as to ensure the safety and accuracy of the broadcasting-television level clock signal. Through setting up first bidirectional communication interface and second bidirectional communication interface, make the master clock host computer can carry out two-way communication to sub clock device and count-down controller, realize the receipt and the transmission of time signal.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Fig. 1 is a main body structure diagram of a clock device according to an embodiment of the present application;

FIG. 2 illustrates a front view of a master clock master of an embodiment of the present application;

FIG. 3 shows a left side view of the master clock master of an embodiment of the present application;

fig. 4 shows a front view of the countdown controller according to the embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It is to be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience of description or simplicity of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 shows a main body structure diagram of a clock device according to an embodiment of the present application. FIG. 2 illustrates a front view of a master clock master according to an embodiment of the present application. FIG. 3 shows a left side view of a master clock master according to an embodiment of the present application. FIG. 4 illustrates a front view of a countdown controller according to an embodiment of the present application. As shown in fig. 1 and 3, the clock device includes: a master clock main body 100, an antenna 200, a sub-clock device 300, a countdown controller 400, and a countdown sub-clock 500. The master clock main unit 100 is provided with a first bidirectional communication interface 107, and the master clock main unit 100 is electrically connected with the slave clock device 300 through the first bidirectional communication interface 107 to receive the slave clock time signal fed back by the slave clock device 300. The master clock main unit 100 further has a second bidirectional communication interface 108, and the master clock main unit 100 is electrically connected to the countdown controller 400 through the second bidirectional communication interface 108 to receive the countdown time signal fed back by the countdown controller 400. The countdown sub-clock 500 is electrically connected to the countdown controller 400. The master clock main unit 100 is further provided with a detection module which is electrically connected with the antenna 200 to receive the GPS and Beidou time signals which take the atomic clock as the reference through the antenna 200 as reference signals and calibrate the sub-clock time signals and the countdown time signals through the reference signals.

The method and the device are suitable for sending the time signals sent by the positioning satellite to each machine room or broadcasting control room of different buildings at different places of a television station. The signal source of the master clock host 100 is from the GPS (global positioning system) and the beidou time signal which are received by the antenna 200 and are based on the atomic clock, the time signal sent by the positioning satellite is received and then added with the calculated delay, and the time correction precision can still be kept within the precision of millisecond, and the time correction precision can be further improved according to the needs of special users, so that reliable service guarantee is provided for the users needing accurate reference time. The master clock main unit 100 is configured with a detection module, the detection module compares the sub-clock time signal and the countdown time signal received by the master clock main unit 100 with a reference signal, detects whether time offset, accumulated error and the like exist in each sub-clock device 300 and the countdown controller 400, corrects errors, transmits the corrected time signal back to the sub-clock device 300 and the countdown controller 400, and the detection module adopts the existing time calibration technology to calibrate the time signal. So as to ensure the safety and accuracy of the broadcasting and TV level clock signal. By arranging the first bidirectional communication interface 107 and the second bidirectional communication interface 108, the master clock host 100 can perform bidirectional communication between the slave clock device 300 and the countdown controller 400, thereby realizing the reception and transmission of time signals.

Here, it should be noted that the antenna 200 is a GPS and beidou dual-mode antenna, so that the antenna 200 can receive a GPS signal and a beidou signal at the same time.

In a possible implementation manner, the mother clock main body 100 is further provided with a display screen 101, and the display screen 101 is arranged on the side surface of the mother clock main body 100. The time displayed on the display screen 101 is a standard time based on the atomic clock signal, and the sub-clock device 300 and the countdown controller 400 are both based on this time.

In a possible implementation manner, the master clock unit 100 is further provided with a switch 104, and the switch 104 is adapted to switch the type of the signal received by the master clock unit 100. The changeover switch 104 is provided on the side of the mother clock body 100 on which the display screen 101 is provided. The switch 104 is used for switching the signal mode of the master clock main unit 100, controlling the type of the received signal of the master clock main unit 100, and switching the GPS signal and the beidou signal.

In a possible implementation manner, the master clock main body 100 is further provided with a signal indicator lamp 103 and a power indicator lamp 102. The power indicator 102 and the signal indicator 103 are both arranged on one side of the mother clock main body 100 where the display screen 101 is arranged. The power indicator 102 is used for displaying the working state of the master clock main body 100, and the signal indicator 103 displays different states according to the type of the received signal of the master clock main body 100. The signal indicator light 103, the power indicator light 102, the display screen 101 and the change-over switch 104 are all arranged on the same side of the mother clock main body 100, so that the control of the mother clock main body 100 and the display state of the mother clock main body 100 are facilitated.

In a possible implementation manner, the first bidirectional communication interface 107 and the second bidirectional communication interface 108 are both disposed on the same side of the mother clock host 100, and the first bidirectional communication interface 107 and the display screen 101 are respectively located on two adjacent sides of the mother clock host 100. The master clock main body 100 is further provided with a power interface 111 and a power switch 110. The power interface 111 and the power switch 110 are disposed adjacent to each other, and both the power interface 111 and the power switch 110 are disposed on a side of the master clock main body 100 where the first bidirectional communication interface 107 is disposed. The power interface 111 is adapted to be connected to an external power source to supply power to the main clock body 100, and the power switch 110 is used to control the on/off of the main clock body 100.

In a possible implementation manner, the mother clock main body 100 is further provided with an antenna interface 105, and the mother clock main body 100 is electrically connected with the antenna 200 through the antenna interface 105. The antenna interface 105 is disposed on a side of the mother clock main body 100 where the first bidirectional communication interface 107 is disposed.

In one possible implementation, the master clock host 100 is further provided with an LTC output interface 112. The LTC output interface 112 is disposed on a side of the mother clock main body 100 where the first bidirectional communication interface 107 is disposed. The LTC output interface 112 is suitable for being electrically connected to other devices requiring clock signals, and is used for outputting LTC standard time codes, so that the application range of the application is expanded.

In one possible implementation, the master clock master 100 is also provided with an RS-232 interface 109. The RS-232 interface 109 is disposed on a side of the master clock body 100 where the first bidirectional communication interface 107 is disposed. By arranging the RS-232 interface 109, the master clock main unit 100 can be electrically connected with other upper computers, and can perform signal transmission with the master clock main unit 100, and perform operations such as program burning and the like on the master clock.

Here, it should be noted that, the master clock master 100 is further provided with a pulse-per-second interface 106, which enlarges the time calibration method of the present application and further enlarges the application range of the present application.

Here, it should be noted that the countdown controller 400 is provided with a controller switch button 410, and the controller switch button 410 is used for starting and closing the countdown controller 400.

In one possible implementation, countdown controller 400 is provided with control buttons 420. Four control buttons 420 are provided, four control buttons 420 being adapted to edit the countdown time. Overall structure is comparatively simple, the effectual manufacturing cost that has reduced.

In one possible implementation, the sub-clock device 300 is plural. The plurality of sub-clock devices 300 are arranged in series, wherein any one of the sub-clock devices 300 is electrically connected to the master clock body 100. The plurality of sub-clock devices 300 are installed according to actual conditions, the plurality of sub-clock devices 300 are respectively installed in different buildings or rooms of a television station, and all the sub-clock devices 300 are connected with the master clock main unit 100 in a serial connection mode.

Here, it should be noted that the countdown sub-clock 500 is an 3/3/3 triple countdown sub-clock 500, and is adapted to display the play time, the standard time, and the countdown time.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A clock apparatus, comprising:

the master clock main machine, the antenna, the secondary clock device, the countdown controller and the countdown secondary clock;

the master clock host is provided with a first bidirectional communication interface and is electrically connected with the secondary clock device through the first bidirectional communication interface so as to receive a secondary clock time signal fed back by the secondary clock device;

the master clock host is also provided with a second bidirectional communication interface and is electrically connected with the countdown controller through the second bidirectional communication interface so as to receive countdown time signals fed back by the countdown controller;

the countdown sub-clock is electrically connected with the countdown controller;

the master clock host is further provided with a detection module, the detection module is electrically connected with the antenna, so that GPS and Beidou time signals which take an atomic clock as a reference are received through the antenna and serve as reference signals, and the sub-clock time signals and the countdown time signals are calibrated through the reference signals.

2. The clock device according to claim 1, wherein the master clock main body is further provided with a display screen, the display screen is arranged on the side surface of the master clock main body, and the display screen is suitable for displaying real-time.

3. The clock device according to claim 2, wherein the master clock host is further provided with a switch adapted to switch the type of signal received by the master clock host;

the change-over switch is arranged on one side face, provided with the display screen, of the master clock main machine.

4. The clock device according to claim 2, wherein the master clock host is further provided with a signal indicator light and a power indicator light;

the power indicator light with the signal indicator light all sets up being equipped with of mother's clock host computer a side of display screen.

5. The clock device according to claim 2, wherein the first bidirectional communication interface and the second bidirectional communication interface are both disposed on a same side of the main clock body, and the first bidirectional communication interface and the display screen are respectively disposed on two adjacent sides of the main clock body;

the master clock main machine is also provided with a power interface and a power switch;

the power interface and the power switch are arranged adjacent to each other, and the power interface and the power switch are both positioned on one side surface, provided with the first bidirectional communication interface, of the master clock host.

6. The clock device according to claim 5, wherein the master clock main unit is further provided with an antenna interface, and the master clock main unit is electrically connected with the antenna through the antenna interface;

the antenna interface is arranged on one side surface, provided with the first bidirectional communication interface, of the master clock host.

7. The clock device of claim 5, wherein the master clock host is further provided with an LTC output interface;

the LTC output interface is arranged on one side face, provided with the first bidirectional communication interface, of the master clock host.

8. The clock device according to claim 5, wherein the master clock host is further provided with an RS-232 interface;

the RS-232 interface is arranged on one side face, provided with the first bidirectional communication interface, of the master clock main machine.

9. The clock device according to claim 1, wherein the countdown controller is provided with a control button;

the number of the control buttons is four, and the four control buttons are suitable for editing countdown time.

10. The clock device according to any one of claims 1 to 9, wherein the sub-clock device is plural;

the plurality of the sub-clock devices are arranged in series, wherein any sub-clock device is electrically connected with the master clock main machine.

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