Two-in-one combined time synchronization equipment

Abstract

The utility model provides two-in-one combined type time synchronization equipment, which relates to the technical field of time synchronization equipment, and comprises a shell and a functional mechanism, the bottom end of the shell is connected with a base through screws, the top end of the shell is connected with a heat dissipation shell through screws, the top end of the heat dissipation shell is clamped with a display screen, one side of the display screen is provided with a mounting groove, and the mounting groove is connected with the functional mechanism through screws. An antenna is fixedly connected in the mounting groove, through the arrangement of the Beidou receiver, the GPS receiver and the wired receiver, it is guaranteed that two different time sources can be adopted for time synchronization during time synchronization, the precision of time synchronization operation is guaranteed, IRIG-B signals output by main clocks of other time synchronization devices are received through the associated clock assembly, the time synchronization precision is guaranteed, and the IRIG-B signals output by the main clocks of other time synchronization devices are improved. Different main clocks are interconnected through IRIG-B codes to form a dual-machine redundant time synchronization system, so that the unified time reference of the whole network is provided for accessed equipment, the interference caused by the external environment is avoided, the stable operation of the equipment is ensured, the fault occurrence time is accurately recorded, and the subsequent maintenance operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of time synchronization equipment, in particular to a two-in-one combined time synchronization equipment. Background Art

[0002] When the various devices in a wind power station are in operation, in order to coordinate the synchronous operation of the generator sets, data collection and monitoring, grid access and dispatch, fault diagnosis and maintenance, it is necessary to use a time synchronization device to initialize the time between different machines, so as to maximize the power generation efficiency, data analysis, stable power supply and timely fault diagnosis and maintenance.

[0003] After searching, the patent number "CN214852087U" provides "The utility model discloses a Beidou GPS time synchronization device, including a time synchronization device body, a main control panel, a side bottom plate, a back plate and a dust cover, the main control panel is connected to the front of the time synchronization device body, and the side bottom plates are symmetrically installed at the bottom ends of the two sides of the time synchronization device body, and the back of the time synchronization device body is connected to the back of the time synchronization device body. Two groups of mounting blocks are symmetrically installed at the bottom ends of the two sides of the dust cover. Beneficial effect: The utility model is provided with a dust cover, which can close the heat dissipation port when the device is not working to prevent dust from entering, and has a good dustproof effect. It can also remove and clean the dust accumulated on the dust filter to prevent the dust filter from being blocked and affecting the device. Normal heat dissipation, in addition, the utility model is provided with a concave frame and a fixed top pressure column, which can fix the connecting wire when the device is working, prevent the connecting wire from loosening when the device is working, and avoid the change of the working state of the device or data loss caused by the falling of the connecting wire. "When in use, the connecting wire is fixed by the concave frame and the fixed top pressure column to prevent the connecting wire from loosening, but when in use, the device only obtains the time source based on the Beidou satellite. Since the signal is affected by meteorological conditions during transmission, the delay of the signal will cause errors, which will cause errors in the time synchronization operation and affect the smooth operation of the equipment. The time synchronization operation of the device has a large error, and the working accuracy cannot be guaranteed, and the smooth operation of the connected equipment cannot be guaranteed.

[0004] Therefore, we provide a two-in-one combined time synchronization device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a two-in-one combined time synchronization device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a two-in-one combined time synchronization device, comprising a shell and a functional mechanism, the bottom end of the shell is screwed to a base, the top end of the shell is screwed to a heat dissipation shell, the top end of the heat dissipation shell is clamped with a display screen, a mounting groove is provided on one side of the display screen, and an antenna is fixedly connected inside the mounting groove;

[0007] The functional mechanism includes a connecting component, an associated clock component, a main clock component and an auxiliary component. The bottom end of the inner wall of the shell is screwed with a connecting component, one side of the connecting component is provided with an associated clock component, one side of the associated clock component is provided with a main clock component, and one side of the main clock component is provided with an auxiliary component.

[0008] Preferably, the connection component includes a main control chip, a multi-mode optical cable interface, a fiber optic connector and a power interface. The bottom end of the inner wall of the shell is screwed to the main control chip, and a multi-mode optical cable interface is provided on one side of the main control chip.

[0009] Preferably, a fiber optic connector is provided on the left side of the multi-mode optical cable interface, a power interface is provided on the right side of the multi-mode optical cable interface, and the optical wavelength of the multi-mode optical cable interface is 820 nm.

[0010] Preferably, the associated clock component includes a decoder, a line converter and a PMU module. A decoder is arranged on the other side of the optical fiber connector, a line converter is arranged on the other side of the decoder, and a PMU module is arranged on the other side of the line converter. The optical cable timing accuracy of the PMU module is better than ±1μs, the timing accuracy does not exceed 55μs within 1h, and the timing signal type adopts IRIG-B (DC) code.

[0011] Preferably, the master clock component includes a Beidou receiver, a GPS receiver, a wired receiver and a signal processor, a Beidou receiver is arranged on one side of the PMU module, and a GPS receiver is arranged on the other side of the Beidou receiver.

[0012] Preferably, a wired receiver is provided on the other side of the GPS receiver, and a signal processor is provided on the other side of the wired receiver.

[0013] Preferably, the auxiliary components include a backup battery, a button battery, an independent timer and a positioning module, a backup battery is provided on one side of the signal processor, a button battery is provided on the other side of the backup battery, an independent timer is provided on the other side of the button battery, and a positioning module is provided on the other side of the independent timer.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The two-in-one combined time synchronization device, through the setting of functional mechanisms, realizes the interconnection between multiple devices and the connection between the device and external devices through the connection components, realizes the time synchronization function through the main clock component and the associated clock component, and handles the emergencies encountered by the device during operation through the auxiliary component to ensure the smooth operation of the device.

[0016] 2. Through the setting of Beidou receivers, GPS receivers and wired receivers, it is ensured that two different time sources can be used for time synchronization to ensure the accuracy of the time synchronization operation. The IRIG-B signal output from the master clock of other time synchronization devices is received by the associated clock component, so that different master clocks are interconnected through the IRIG-B code to form a dual-machine redundant time synchronization system, which provides a unified time base for the entire network for the connected equipment, avoids interference from the external environment, ensures the stable operation of the equipment, and accurately records the time when the fault occurs for subsequent maintenance operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance structure of the main body of the utility model from a top view;

[0018] Figure 2 This is a schematic diagram of the appearance structure of the functional mechanism of the utility model from a front top view;

[0019] Figure 3 It is a schematic diagram of the structure of the functional mechanism of the utility model from the back side and top view.

[0020] Numbers in the figure: 1. Shell; 2. Base; 3. Heat dissipation shell; 4. Display screen; 5. Mounting slot; 6. Antenna; 7. Functional mechanism; 71. Connection component; 711. Main control chip; 712. Multi-mode optical cable interface; 713. Optical fiber connector; 714. Power interface; 72. Associated clock component; 721. Decoder; 722. Line converter; 723. PMU module; 73. Main clock component; 731. Beidou receiver; 732. GPS receiver; 733. Wired receiver; 734. Signal processor; 74. Auxiliary component; 741. Backup battery; 742. Button battery; 743. Independent timer; 744. Positioning module. DETAILED DESCRIPTION

[0021] See also Figure 1-3 The utility model provides a technical solution: a two-in-one combined time synchronization device, including a shell 1 and a functional mechanism 7, the bottom end of the shell 1 is screwed to a base 2, the top end of the shell 1 is screwed to a heat dissipation shell 3, the top end of the heat dissipation shell 3 is clamped to a display screen 4, a mounting groove 5 is provided on one side of the display screen 4, and an antenna 6 is fixedly connected inside the mounting groove 5;

[0022] The functional mechanism 7 includes a connecting component 71, an associated clock component 72, a main clock component 73 and an auxiliary component 74. The bottom end of the inner wall of the outer shell 1 is screwed with the connecting component 71, one side of the connecting component 71 is provided with the associated clock component 72, one side of the associated clock component 72 is provided with the main clock component 73, and one side of the main clock component 73 is provided with the auxiliary component 74.

[0023] Furthermore, the connection component 71 includes a main control chip 711, a multi-mode optical cable interface 712, a fiber optic connector 713 and a power interface 714. The main control chip 711 is screwed to the bottom end of the inner wall of the outer casing 1. A multi-mode optical cable interface 712 is provided on one side of the main control chip 711, a fiber optic connector 713 is provided on the left side of the multi-mode optical cable interface 712, and a power interface 714 is provided on the right side of the multi-mode optical cable interface 712. The optical wavelength of the multi-mode optical cable interface 712 is 820nm, and the connection between the device and other time synchronization systems and external equipment components is completed through the 820nm multi-mode optical cable interface 712.

[0024] Furthermore, the associated clock component 72 includes a decoder 721, a line converter 722 and a PMU module 723. The decoder 721 is arranged on the other side of the optical fiber connector 713, the line converter 722 is arranged on the other side of the decoder 721, and the PMU module 723 is arranged on the other side of the line converter 722. The optical cable timing accuracy of the PMU module 723 is better than ±1μs, and the timekeeping accuracy does not exceed 55μs within 1h. The timing signal type adopts IRIG-BDC code. The decoder 721 and the line converter 722 decode, decipher and perform signal conversion operations on the IRIG-B signals output by different master clocks and associated clocks, so as to complete the time synchronization initialization operation between different devices, and the PMU module 723 realizes the optical cable timing function.

[0025] Furthermore, the master clock component 73 includes a Beidou receiver 731, a GPS receiver 732, a wired receiver 733 and a signal processor 734. A Beidou receiver 731 is arranged on one side of the PMU module 723, a GPS receiver 732 is arranged on the other side of the Beidou receiver 731, a wired receiver 733 is arranged on the other side of the GPS receiver 732, and a signal processor 734 is arranged on the other side of the wired receiver 733. The Beidou receiver 731 receives the time source signal from the Beidou satellite, the GPS receiver 732 receives the time source signal from the GPS satellite, and the wired receiver 733 receives the time source signal from the standard server through the optical cable and line, and transmits the received signals from various places to the signal processor 734 for analysis and processing. When the master clock is initialized, it is necessary to simultaneously access two independent time sources to ensure accuracy. At this time, the associated clock source does not participate in the initialization of the master clock.

[0026] Furthermore, the auxiliary component 74 includes a backup battery 741, a button battery 742, an independent timer 743 and a positioning module 744. A backup battery 741 is provided on one side of the signal processor 734, a button battery 742 is provided on the other side of the backup battery 741, an independent timer 743 is provided on the other side of the button battery 742, and a positioning module 744 is provided on the other side of the independent timer 743. The backup battery 741 is used for emergency power supply in the event of a power outage, the button battery 742 is used to power the independent timer 743, the main control chip 711 records the time of the independent timer 743, and calculates and records the deviation value after each time synchronization. The positioning module 744 locates and numbers the device for integrated coding control by the control center.

[0027] Working principle: First, a two-in-one combined time synchronization device is moved to the relay protection room in the wind farm. In the first step, the required cables are connected through the multi-mode optical cable interface 712 and the optical fiber connector 713, and the power is turned on. In the second step, the antenna 6 is pulled up to start receiving satellite signals. In the third step, the Beidou receiver 731 receives the time source signal from the Beidou satellite, the GPS receiver 732 receives the time source signal from the GPS satellite, and the wired receiver 733 receives the time source signal from the standard server through the optical cable and line, and transmits the received signals from various places to the signal processor 734 for analysis and processing. In the fourth step, the associated clock component 72 and the main clock component 73 are connected through the optical fiber B code. In the fifth step, different devices in the same room and between the device and external devices are connected through the multi-mode optical cable interface 712, and the multi-mode optical cable interface 712 and the PMU module 723 support the optical cable synchronization of the PMU device (the synchronization accuracy is better than ±1μs, the timekeeping accuracy does not exceed 55μs within 1h, and the synchronization accuracy is better than ±1μs ... The time signal type adopts IRIG-B (DC) code. In the sixth step, when the master clock is initialized, two independent time sources of the Beidou receiver 731, GPS receiver 732 and wired receiver 733 need to be connected at the same time to ensure accuracy. At this time, the associated clock source does not participate in the initialization of the master clock. In the seventh step, when working, the master clock component 73 completes the precise time synchronization operation of the device, and the associated clock component 72 is interconnected through the IRIG-B code to form a dual-machine redundant time synchronization system to improve the unified time base of the entire network for the connected equipment. In the eighth step, when a power outage occurs, the backup battery 741 is used for emergency power supply during the power outage, and the button battery 742 is used to power the independent timer 743, and the main control chip 711 records the time of the independent timer 743, and calculates and records the deviation value after each time synchronization, and the positioning module 744 locates and numbers the device for integrated coding control by the control center, thus completing the use process of a two-in-one combined time synchronization device.

Claims

1. A two-in-one combined time synchronization device, comprising a housing (1) and a functional mechanism (7), characterized in that: The bottom end of the housing (1) is screwed to a base (2), the top end of the housing (1) is screwed to a heat dissipation housing (3), the top end of the heat dissipation housing (3) is clamped to a display screen (4), a mounting groove (5) is provided on one side of the display screen (4), and an antenna (6) is fixedly connected inside the mounting groove (5); The functional mechanism (7) comprises a connection component (71), an associated clock component (72), a main clock component (73) and an auxiliary component (74); the bottom end of the inner wall of the housing (1) is screwed with the connection component (71); one side of the connection component (71) is provided with an associated clock component (72); one side of the associated clock component (72) is provided with a main clock component (73); and one side of the main clock component (73) is provided with an auxiliary component (74).

2. A two-in-one combined time synchronization device according to claim 1, characterized in that: The connection component (71) comprises a main control chip (711), a multi-mode optical cable interface (712), an optical fiber connector (713) and a power interface (714); the main control chip (711) is screwed to the bottom end of the inner wall of the housing (1); and the multi-mode optical cable interface (712) is provided on one side of the main control chip (711).

3. A two-in-one combined time synchronization device according to claim 2, characterized in that: The left side of the multi-mode optical cable interface (712) is provided with an optical fiber connector (713), the right side of the multi-mode optical cable interface (712) is provided with a power supply interface (714), and the optical wavelength of the multi-mode optical cable interface (712) is 820 nm.

4. A two-in-one combined time synchronization device according to claim 3, characterized in that: The associated clock component (72) comprises a decoder (721), a line converter (722) and a PMU module (723); the decoder (721) is arranged on the other side of the optical fiber connector (713); the line converter (722) is arranged on the other side of the decoder (721); the PMU module (723) is arranged on the other side of the line converter (722); the optical cable timing accuracy of the PMU module (723) is better than ±1μs, the timekeeping accuracy does not exceed 55μs within 1h, and the timing signal type adopts IRIG-B (DC) code.

5. The two-in-one combined time synchronization device according to claim 1, characterized in that: The master clock component (73) includes a Beidou receiver (731), a GPS receiver (732), a wired receiver (733) and a signal processor (734), and a Beidou receiver (731) is arranged on one side of the PMU module (723), and a GPS receiver (732) is arranged on the other side of the Beidou receiver (731).

6. A two-in-one combined time synchronization device according to claim 5, characterized in that: A wired receiver (733) is disposed on the other side of the GPS receiver (732), and a signal processor (734) is disposed on the other side of the wired receiver (733).

7. A two-in-one combined time synchronization device according to claim 6, characterized in that: The auxiliary component (74) includes a backup battery (741), a button battery (742), an independent timer (743) and a positioning module (744); the backup battery (741) is arranged on one side of the signal processor (734); the button battery (742) is arranged on the other side of the backup battery (741); the independent timer (743) is arranged on the other side of the button battery (742); and the positioning module (744) is arranged on the other side of the independent timer (743).

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