CN207601533U - Timing system - Google Patents
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- CN207601533U CN207601533U CN201721704591.6U CN201721704591U CN207601533U CN 207601533 U CN207601533 U CN 207601533U CN 201721704591 U CN201721704591 U CN 201721704591U CN 207601533 U CN207601533 U CN 207601533U
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Abstract
This application discloses a kind of Timing Systems.Wherein, Timing System includes satellite navigation signals receiving unit, processor unit and Timing Signal output unit.Satellite navigation signals receiving unit is connect with processor unit, for receiving satellite navigation signals, and the satellite navigation signals received is sent to processor unit.Processor unit is connected respectively with satellite navigation signals receiving unit and Timing Signal output unit, for generating internal clocking according to the satellite navigation signals received from satellite navigation signals receiving unit, and Timing Signal is periodically sent to the Timing Signal output unit by the time value based on internal clocking.Timing Signal output unit is connected with processor unit, for receiving Timing Signal from processor unit and being sent out Timing Signal.
Description
Technical field
This application involves time control field, in particular to a kind of Timing System.
Background technology
In many field of scientific studies (such as ionosphere characteristic research), field and high-precision is being measured and calibrated
Event Timestamp etc. is required for high precision timing.In space industry, such as system system when rocket launching is required for high-precision
System.In target range, we tested for conventional weapon, the experiments such as guided missile test, Spacecraft Launch provide the electricity of time reference signal
Sub- equipment is known as timing system, referred to as " when unite ".Its effect is in guided missile and space experiment, to more ground multiple devices
Between realize time unification.
Current timing equipment is mostly relative time timing equipment, i.e., sends out multiplex pulse while firing command is sent out
Signal, pulse signal are free of temporal information, without the unified absolute moment between subsequent multiple devices, can not be compared between multisystem
Pair and analysis.
GPS (Global Positioning System) provides unified split-second precision benchmark for the whole world, is current
Whole world time dissemination system with high accuracy.And it obtains convenient, and user need to be only installed needed for cheap GPS receiver just can obtain freely
Temporal information.In navigation system, especially satellite based navigational system, such as GPS, GLONSS etc. are all using ranging body when surveying
System, high-precision time and frequency measurement with synchronize be the key that navigation system and core, between the spaceborne clock of entire GPS constellation
Synchronization accuracy is in the level of several nanoseconds.
But cut-off at present, still without the skill using GPS systems when the satellite navigation signals of satellite navigation systems carry out
Art scheme.
For above-mentioned the problem of how realizing between more ground multiple devices time unification, effective solution is not yet proposed at present
Certainly scheme.
Utility model content
The utility model embodiment provides a kind of Timing System, at least solve how between more ground multiple devices it is real
The technical issues of existing time unification.
According to the utility model embodiment, a kind of Timing System is provided, Timing System is received including satellite navigation signals
Unit, processor unit and Timing Signal output unit.Satellite navigation signals receiving unit is connect with processor unit, for connecing
Satellite navigation signals are received, and the satellite navigation signals received are sent to processor unit；Processor unit respectively with satellite
Navigation signal receiving unit is connected with Timing Signal output unit, for being defended according to what is received from satellite navigation signals receiving unit
Star navigation signal generates internal clocking, and the time value based on internal clocking, letter of uniting when periodically Timing Signal is sent to
Number output unit；And Timing Signal output unit is connected with processor unit, for receiving Timing Signal from processor unit
And it is sent out Timing Signal.
Optionally, processor unit includes satellite navigation signals processing module, clock operation module, clock signal and compares mould
Block and I/O port output module.Wherein, satellite navigation signals processing module is used to defend from the reception of satellite navigation signals receiving unit
Star navigation signal, parses satellite navigation signals, and the satellite navigation signals after parsing are sent to clock operation module.
Clock operation module be used for from satellite navigation signals processing module receive parsing after satellite navigation signals, and based on parsing after
Satellite navigation signals generate internal clocking, and the time value of internal clocking is sent to clock signal comparison module.Clock signal
The time value that comparison module is used to run on clock the internal clocking transmitted by module is compared with preset time.I/O port exports
Module is used in the case where the time value of internal clocking is identical with preset time, letter of uniting when being sent to Timing Signal output unit
Number.
Optionally, satellite navigation signals be GPS signal or BD signals, and satellite navigation signals include pps pulse per second signal and
The rising edge of temporal information, wherein pps pulse per second signal is synchronous with temporal information.Satellite navigation signals processing module is to satellite navigation
The parsing that signal carries out includes：The read access time information from satellite navigation signals；And increase by 1 second on the basis of temporal information
Clock is as the second temporal information after parsing.
Optionally, the operation of clock operation module generation internal clocking includes：When receiving pulse per second (PPS), by pulse per second (PPS) it
The second temporal information that the previous period is parsed as temporal information corresponding with pulse per second (PPS), and as internal clocking when
Between value be sent to clock signal comparison module.
Optionally, Timing System further includes the crystal oscillator unit being connect with processor unit, for providing crystal oscillator clock signal.
Processor unit further includes crystal oscillator processing module, for receiving crystal oscillator clock signal from crystal oscillator unit, and is believed according to crystal oscillator clock
Number generation reference clock signal be supplied to clock run module.Clock operation module is additionally configured to make in satellite navigation signals
Used time maintains internal clocking using reference clock signal.
Optionally, Timing System further includes counter, for being counted to the pulse of reference clock signal.Clock is run
Module be configured to the starting point of pulse per second (PPS) start start counter the pulse of reference clock signal is counted, and when meter
When the count value of number device reaches pre-set count values, the time value of internal clocking is increased by 1 second.
Optionally, the communication that Timing System further includes host computer and communicates to connect host computer and processor unit connects
Mouthful, and processor unit further includes data interface module, for receiving preset time from host computer via communication interface.
Optionally, processor unit further includes data memory module, for store data interface module reception it is default when
Between.
Optionally, Timing System further includes memory, for storing the program instruction of processor unit execution.
Optionally, Timing System further includes Power Management Unit, and Power Management Unit can be connect with external power supply, and
Other assemblies for Timing System provide electric power.
Optionally, Power Management Unit includes interface protective circuit, level-one change of current module, charging circuit, internal cell, cuts
Change the mold block and two level change of current module.Interface protective circuit is electricity for being connect with external power supply and level-one change of current module
Source control unit provides protection against.Level-one change of current module is connect with interface protective circuit, handover module and charging circuit, is used
In the electrical power conversion that external power supply is provided be suitable for charging circuit electric power, and by transformed electric power be supplied to charging electricity
Road and handover module.Charging circuit is connect with level-one change of current module, handover module and internal cell, for from level-one change of current mould
Block receives electric power and provides power to internal cell and handover module.Handover module and level-one change of current module, charging circuit
And the connection of two level change of current module, for selectively level-one change of current module or charging circuit electrically to be connected with two level change of current module
It is logical.Two level change of current module is used to receive electric power from level-one change of current module or charging circuit via handover module and unite when being supplied to
The other assemblies of system.
In the utility model embodiment, internal clocking is generated by using the temporal information in satellite navigation signals,
And the internal clocking based on generation provides Timing Signal, it is achieved thereby that realizing time unification between more ground multiple devices
Technique effect, and then solve the technical issues of how time unification being realized between more ground multiple devices.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Illustrative embodiments and their description please do not form the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 shows the schematic diagram of the Timing System of the embodiment 1 according to the utility model patent application；
Fig. 2 shows received according to the satellite navigation signals of the Timing System of the embodiment 1 of the utility model patent application
The schematic diagram of the output signal of unit；
Fig. 3 shows showing for the processor unit in the Timing System according to the embodiment 1 of the utility model patent application
It is intended to；
Fig. 4 shows that the satellite navigation signals in the Timing System according to the embodiment 1 of the utility model patent application connect
Receive the schematic diagram of the temporal information in the signal of unit output；
Fig. 5 show the processor unit in the Timing System according to the embodiment 1 of the utility model patent application when
Clock runs the signal processing schematic diagram of module；And
Fig. 6 shows the Power Management Unit in the Timing System according to the embodiment 1 of the utility model patent application
Schematic diagram.
Specific embodiment
In order to which those skilled in the art is made to more fully understand application scheme, below in conjunction in the embodiment of the present application
The technical solution in the embodiment of the present application is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model of the application protection
It encloses.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so as to embodiments herein described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not listing clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment 1
Refering to what is shown in Fig. 1, the present embodiment provides a kind of Timing System 100, Timing System 100 connects including satellite navigation signals
Receive unit 110, processor unit 120 and Timing Signal output unit 130.Satellite navigation signals receiving unit 110 and processor
Unit 120 connects, and for receiving satellite navigation signals, and the satellite navigation signals received is sent to processor unit 120.
Processor unit 120 is connected respectively with satellite navigation signals receiving unit 110 and Timing Signal output unit 130, for basis
From satellite navigation signals receiving unit 110 receive satellite navigation signals generate internal clocking, and based on internal clocking when
Between be worth, Timing Signal is periodically sent to Timing Signal output unit 130.Timing Signal output unit 130 and processor list
Member 120 is connected, for receiving Timing Signal from processor unit 120 and being sent out Timing Signal.
So as to by above-mentioned Timing System, realize the absolute moment time unification between more ground multisystem, can appoint in the whole world
Place anticipate to multiple devices progress time unification, equipment need to only set the unified absolute triggered time at moment, you can arbitrarily set
It unites when being sent out at the time of determining pulse signal.So as to solve the technical issues of the application proposition.
Specifically, refering to what is shown in Fig. 1, as specific example, satellite navigation signals receiving unit 110 can be with yes GPS/BD
Receiving unit；Processor unit 120 can be FPGA processor.And Timing Signal output unit 130 passes through pulse signal (arteries and veins
The mode for rushing signal 1, pulse signal 2 and pulse signal n) is sent out Timing Signal.
In addition, processor unit includes satellite navigation signals processing module 121, clock operation module 122, clock signal ratio
Compared with module 123 and I/O port output module 124.Wherein satellite navigation signals processing module 121 is used to connect from satellite navigation signals
It receives unit and receives satellite navigation signals, satellite navigation signals are parsed, and the satellite navigation signals after parsing are sent to
Clock runs module 122；Clock operation module 122 is used to receive the satellite after parsing from satellite navigation signals processing module 121
Navigation signal, and internal clocking is generated based on the satellite navigation signals after parsing, send inside to clock signal comparison module 123
The time value of clock；Clock signal comparison module 123 is used to run on clock the time value of the internal clocking transmitted by module 122
It is compared with preset time；And time value of the I/O port output module 124 in internal clocking is identical with preset time
In the case of, send Timing Signal to Timing Signal output unit.
Specifically, refering to what is shown in Fig. 3, as specific example, satellite navigation signals processing module 121 can be GPS/BD letters
Number processing module.For example, the LEA-M8T global positioning systems that GPS/BD receiving modules can be the production of u-blox companies of Switzerland are awarded
When module, which has concurrent receipt GPS/GZSS, GLONASS, the function of big-dipper satellite location information.
Satellite navigation signals are GPS signal or BD signals.And with reference to shown in figure 2 and Fig. 4, satellite navigation signals include the second
Pulse signal and temporal information (temporal information is included in data), the wherein rising edge of pps pulse per second signal and temporal information is same
Step, and the parsing that satellite navigation signals processing module carries out satellite navigation signals includes：It is read from satellite navigation signals
Temporal information；And increase by 1 second on the basis of temporal information as the second temporal information after parsing.
Refering to what is shown in Fig. 4, when for example receiving 7 days 15 January in 2017 33 divide the temporal information of 22 seconds before, at this time the second begin letter
Breath (i.e. the rising edge of pulse per second (PPS)) has received, i.e. the beginning second information corresponding time passes by.Therefore, at satellite navigation signals
Temporal information is added 1 second (i.e. 33 divide 23 seconds during 7 days 15 January in 2017, corresponding to " the second temporal information ") of conduct by reason module 121
The time of next second beginning flag.In this way, clock operation module can be when receiving next pulse per second (PPS), using having added 1 second
Time value of the time (i.e. 33 divide 23 seconds during 7 days 15 January in 2017) as internal clocking, otherwise, the time of internal clocking with
Standard time will appear the time difference of 1 second.
In addition, the operation that clock operation module 122 generates internal clocking includes：Pulse per second (PPS) is being received (i.e. in attached drawing 4
The latter pulse) when, (i.e. 33 divide the second temporal information that a cycle before pulse per second (PPS) is parsed during 7 days 15 January in 2017
23 seconds) as temporal information corresponding with the pulse per second (PPS), and the time value as internal clocking is sent to clock signal and compares
Module.
In addition, Timing System 100 further includes the crystal oscillator unit 140 being connect with processor unit, for providing crystal oscillator clock
Signal.Processor unit 120 further includes crystal oscillator processing module 125, for receiving crystal oscillator clock signal from crystal oscillator unit 140, and
Generating reference clock signal according to crystal oscillator clock signal is supplied to clock to run module 122.Also, clock operation module 122 is also
Be configured to cannot be in use, maintain internal clocking in satellite navigation signals using reference clock signal.
Wherein, the form of crystal oscillator unit 140 is unlimited, and as one of specific example, crystal oscillator unit 140 can be constant temperature crystalline substance
It shakes.For example, constant-temperature crystal oscillator 140 can be the ZGW23 constant-temperature crystal oscillators of 707 factories, meet GJB1648 specifications.Its meet with
Lower index：
Output frequency：10MHz,
Output waveform：Sine wave；
Frequency stability：1E-8
Constant-temperature crystal oscillator is mutually made an uproar index：
10Hz：≤-130dBc/Hz；
1kHz：≤-160dBc/Hz；
10kHz：≤-165dBc/Hz；
100kHz：≤-170dBc/Hz.
Short-term stability (time domain)：≤2E-12/1s.
The aging of constant-temperature crystal oscillator day：≤ 5E-10/ days.
Also, crystal oscillator processing module 125 is after 10MHz frequency signals are received, through internal PLL phaselocked loops, frequency dividing, so as to raw
Operation clock into 200MHz is sent to clock operation module 122 so that clock operation module 122 is used as reference clock signal
In maintenance internal clocking.
In addition, reference clock signal can also be supplied to other moulds in processor unit 120 by crystal oscillator processing module 125
Block is as frequency reference.
Optionally, Timing System 100 further includes counter, for being counted to the pulse of reference clock signal, and
Wherein clock operation module 122 be configured to the starting point of pulse per second (PPS) start to start counter to the pulse of reference clock signal into
Row counts, and when the count value of counter reaches pre-set count values, and the time value of internal clocking is increased by 1 second.
Specifically, attached drawing 5 shows the schematic diagram of the module information processing of clock operation module 122.Referring to attached drawing 5, when
Clock runs module 122 according to 200MHz running frequencies, the pulse per second (PPS) information of GPS/BD signals is locked, in the starting of pps pulse per second signal
Point starts one and counts the counter that the period is 20nS.The specific time of this second, received before pulse per second (PPS) is received (that is,
Before receiving pps pulse per second signal, the second temporal information after parsing is had been obtained for).The counter values may range from 0 and arrive
5E07-1 coordinates temporal information, the foundation as step-by-step counting.If GPS/BD dropouts, which can be after spilling
It reruns, and temporal information is added 1 second, voluntarily the operating system time.
So as to by setting crystal oscillator module in Timing System 110 so that Timing System 110 is even in satellite navigation
Internal clocking is also able to maintain that in the case of signal is non-serviceable, so as to ensure that the stabilization of system.
In addition, Timing System 100 further includes host computer 150 and communicates to connect host computer 150 and processor unit 120
Communication interface 151.Processor unit 120 further includes data interface module 126, for via communication interface 151 from host computer
150 receive preset time.
So as to which by being configured above, preset time can be input to processor unit 120 by user by host computer 150
In, and so as to periodically send Timing Signal using preset time set by user.The form of data interface module 126 is not
Limit, as one of specific example, RS422 interfaces, baud rate 115200bps may be used in data interface module 126.
In addition, processor unit 120 further includes data memory module 127, for storing the reception of data interface module 126
Preset time.
Timing System 100 further includes memory 160, for storing the program instruction of the execution of processor unit 120.Wherein,
The form of memory 160 is unlimited, and as a specific example, memory can be flash memories.
Timing System 100 further includes Power Management Unit 170, and Power Management Unit 170 can be connect with external power supply
180, and the other assemblies for Timing System 100 provide electric power.
In addition, Power Management Unit 170 include interface protective circuit 171, level-one change of current module 172, charging circuit 173,
Internal cell 174, handover module 175 and two level change of current module 176.Wherein, interface protective circuit 171 is used for and external power supply
It connects with level-one change of current module, and is provided protection against for Power Management Unit 170.Level-one change of current module 172 is protected with interface
Protection circuit 171, handover module 175 and charging circuit 173 connect, for electrical power conversion that external power supply is provided be suitable for
The electric power of charging circuit 173, and transformed electric power is supplied to charging circuit 173 and handover module 175.Charging circuit 173
It is connect with level-one change of current module 172, handover module 175 and internal cell 174, for receiving electricity from level-one change of current module 172
Power simultaneously provides power to internal cell 174 and handover module 175.Handover module 175 and level-one change of current module 172, charging
Circuit 173 and two level change of current module 176 connect, for selectively by level-one change of current module 172 or charging circuit 173 and two
176 electrical communication of grade change of current module.Two level change of current module 176 is used to from level-one change of current module 172 or fill via handover module 175
Circuit 173 receives electric power and is supplied to the other assemblies of Timing System.
By scheme disclosed in above-described embodiment, solves the skill that time unification how is realized between more ground multiple devices
Art problem, and with small size, auto time determination, high-precision, high reliability the characteristics of, have significant technique effect.
Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the quality of embodiment.
In above-described embodiment of the application, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, only
A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or
Person is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.The integrated unit is such as
Fruit realized in the form of SFU software functional unit and be independent product sale or in use, a computer can be stored in can
It reads in storage medium.Based on such understanding, the technical solution of the application substantially in other words contributes to the prior art
Part or all or part of the technical solution can be embodied in the form of software product, the computer software product
It is stored in a storage medium, is used including some instructions so that a computer equipment (can be personal computer, server
Or network equipment etc.) perform each embodiment the method for the application all or part of step.And aforementioned storage medium
Including：USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access
Memory), the various media that can store program code such as mobile hard disk, magnetic disc or CD.
The above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of the application principle is not departed from, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (11)
1. a kind of Timing System, the Timing System includes satellite navigation signals receiving unit, processor unit and Timing Signal
Output unit, which is characterized in that
The satellite navigation signals receiving unit is connect with the processor unit, for receiving satellite navigation signals, and will be connect
The satellite navigation signals received are sent to the processor unit；
The processor unit is connected respectively with the satellite navigation signals receiving unit and the Timing Signal output unit, uses
Internal clocking is generated, and based on institute in the satellite navigation signals that basis is received from the satellite navigation signals receiving unit
The time value of internal clocking is stated, Timing Signal is periodically sent to the Timing Signal output unit；And
The Timing Signal output unit is connected with the processor unit, for uniting when receiving described from the processor unit
Signal is simultaneously sent out the Timing Signal.
2. Timing System according to claim 1, which is characterized in that the processor unit is included at satellite navigation signals
Module, clock operation module, clock signal comparison module and I/O port output module are managed, and wherein
The satellite navigation signals processing module is used to receive the satellite navigation letter from the satellite navigation signals receiving unit
Number, the satellite navigation signals are parsed, and the satellite navigation signals after parsing are sent to the clock and run module；
The clock operation module is used to receive the satellite navigation letter after the parsing from the satellite navigation signals processing module
Number, and generate the internal clocking based on the satellite navigation signals after the parsing, and to the clock signal comparison module
Send the time value of the internal clocking；
The clock signal comparison module be used for by the clock run module transmitted by the internal clocking time value with
Preset time is compared；And
The I/O port output module is used in the case where the time value of the internal clocking is identical with the preset time, to institute
It states Timing Signal output unit and sends Timing Signal.
3. Timing System according to claim 2, which is characterized in that the satellite navigation signals are believed for GPS signal or BD
Number, and the satellite navigation signals include pps pulse per second signal and temporal information, wherein the rising edge of the pps pulse per second signal with
The temporal information synchronizes, and
The parsing that the satellite navigation signals processing module carries out the satellite navigation signals includes：Believe from the satellite navigation
The temporal information is read in number；And increase by 1 second on the basis of the temporal information as the second time after parsing
Information.
4. Timing System according to claim 3, which is characterized in that
The operation that the clock operation module generates the internal clocking includes：
When receiving pulse per second (PPS), using the second temporal information that a cycle before the pulse per second (PPS) is parsed as with the second
The corresponding temporal information of pulse, and the time value as the internal clocking is sent to the clock signal comparison module.
5. Timing System according to claim 3, which is characterized in that
The Timing System further includes the crystal oscillator unit being connect with the processor unit, for providing crystal oscillator clock signal,
The processor unit further includes crystal oscillator processing module, for receiving the crystal oscillator clock signal from the crystal oscillator unit,
And reference clock signal is generated according to the crystal oscillator clock signal, the clock is supplied to run module, and
The clock operation module is additionally configured to cannot be in use, using the reference clock signal in the satellite navigation signals
Maintain the internal clocking.
6. Timing System according to claim 5, which is characterized in that
The Timing System further includes counter, for being counted to the pulse of the reference clock signal, and wherein
The clock operation module is configured to when the starting point of the pulse per second (PPS) starts to start the counter to the benchmark
The pulse of clock signal is counted, and when the count value of the counter reaches pre-set count values, by the internal clocking
Time value increase by 1 second.
7. Timing System according to claim 2, which is characterized in that
The communication that the Timing System further includes host computer and communicates to connect the host computer and the processor unit connects
Mouthful, and
The processor unit further includes data interface module, for via described in the communication interface from host computer reception
Preset time.
8. Timing System according to claim 7, which is characterized in that
The processor unit further includes data memory module, for store that the data interface module receives it is described default when
Between.
9. Timing System according to claim 1, which is characterized in that
The Timing System further includes memory, for storing the program instruction that the processor unit performs.
10. Timing System according to claim 1, which is characterized in that
The Timing System further includes Power Management Unit, and the Power Management Unit can be connect with external power supply, and be
The other assemblies of the Timing System provide electric power.
11. Timing System according to claim 10, which is characterized in that the Power Management Unit includes interface protection electricity
Road, level-one change of current module, charging circuit, internal cell, handover module and two level change of current module, wherein,
The interface protective circuit is the power management list for being connect with external power supply and the level-one change of current module
Member provides protection against；
The level-one change of current module is connect with the interface protective circuit, the handover module and the charging circuit, is used for
The electrical power conversion that the external power supply is provided is the electric power suitable for the charging circuit, and transformed electric power is supplied to
The charging circuit and the handover module；
The charging circuit is connect with the level-one change of current module, the handover module and the internal cell, for from institute
Level-one change of current module is stated to receive electric power and provide power to the internal cell charging and the handover module；
The handover module is connect with the level-one change of current module, the charging circuit and the two level change of current module, is used for
Selectively by the level-one change of current module or the charging circuit and the two level change of current module electrical communication；And
The two level change of current module is used to receive from the level-one change of current module or the charging circuit via the handover module
Electric power and the other assemblies for being supplied to the Timing System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704591.6U CN207601533U (en) | 2017-12-08 | 2017-12-08 | Timing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704591.6U CN207601533U (en) | 2017-12-08 | 2017-12-08 | Timing system |
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| CN207601533U true CN207601533U (en) | 2018-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008623A (en) * | 2017-12-08 | 2018-05-08 | 北京强度环境研究所 | Timing System and the method that Timing Signal is provided |
-
2017
- 2017-12-08 CN CN201721704591.6U patent/CN207601533U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008623A (en) * | 2017-12-08 | 2018-05-08 | 北京强度环境研究所 | Timing System and the method that Timing Signal is provided |
| CN108008623B (en) * | 2017-12-08 | 2024-03-29 | 北京强度环境研究所 | Time system and method for providing time system signal |
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