CN203480243U - Wireless synchronous electronic clock system - Google Patents
Wireless synchronous electronic clock system Download PDFInfo
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- CN203480243U CN203480243U CN201320593292.5U CN201320593292U CN203480243U CN 203480243 U CN203480243 U CN 203480243U CN 201320593292 U CN201320593292 U CN 201320593292U CN 203480243 U CN203480243 U CN 203480243U
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Abstract
The utility model discloses a wireless synchronous electronic clock system which is used for wirelessly controlling and calibrating time and carrying out time difference compensation for realizing synchronous time display. The wireless synchronous electronic clock system comprises a PC upper computer, regional host computers and clock sub machines, wherein the PC upper computer network is connected with a plurality of regional host computers; each regional host computer is wirelessly connected with a plurality of clock sub machines; the clock sub machines are mutually and wirelessly connected; when receiving a time difference compensation command, the regional host computers set in advance the corresponding compensation time according to the communication distance of each clock sub machine and sends the command to the clock sub machines for storage; and the regional host computers according to the updating command sent by the PC upper computer sends the real-time time to the clock sub machines; and the clock sub machines change the current time and display the changed time according to the real-time time and the compensation time. the wireless synchronous electronic clock system has the advantages of avoiding distance constraints of wired communication, eliminating the time difference due to the communication distance as the compensation time is set in advance, improving accuracy and synchronization precision of the time, and realizing wireless synchronous control on the clock sub machines.
Description
Technical field
The utility model relates to electronic clock technical field, particularly a kind of wireless synchronization electronic clock system.
Background technology
Clock is the requisite persond eixis instruments of a lot of occasions, along with scientific and technological progress and the development of human civilization, people are more and more higher to the requirement of time, need in public to have the clock of unified time: beginning and end that the clock of a plurality of time unifications of Ru school needs indicates each class to go to school and leave school or take an examination, the clock indication boarding time that needs a plurality of time unifications on airport, militarily the uniform requirement of time is accurate to the implementation effect that second level is guaranteed task especially.
At present, the normal method adopting of time that unify to control a plurality of clocks is that the mode by total line traffic control and wireless calibration clock realizes.But, when laying bus, most occasions are often subject to the restriction of distance, and the distant meeting between clock causes bus to lengthen, and operates cumbersome and cost is higher, after installation, can not move.Although controlling clock, radio communication reduced the cost that bus is laid, control mode is simpler, but existing controlled in wireless mode is based on the far and near factor of distance, and the electronic clocks different apart from distance from master controller have the obvious mistiming, and the time cannot be synchronous.
In view of this, the utility model provides a kind of wireless synchronization electronic clock system.
Utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of wireless synchronization electronic clock system, and to solve, existing calibration clock mode cost is high, troublesome poeration and nonsynchronous problem of time.
In order to achieve the above object, the utility model has been taked following technical scheme:
A wireless synchronization electronic clock system, for the controlled in wireless alignment time and carry out time difference compensation and realize time synchronized and show, it comprises:
For sending time difference compensation order, real-time time and the PC host computer of newer command more;
According to the communication distance of each clock handset, set in advance the corresponding make-up time and send to corresponding clock handset when receiving time difference compensation order, and real-time time is sent to the regional host computer of clock handset according to newer command more;
Be used for storing the make-up time, according to the clock handset of real-time time and make-up time change current time demonstration;
Described PC host computer is one, and its network connects a plurality of regional host computers, a plurality of clock handsets of each regional host computer wireless connections, wireless connections mutually between each clock handset.
In described wireless synchronization electronic clock system, described regional host computer comprises:
For realizing network with PC host computer, be connected reception real-time time and the more network communication module of newer command;
For after receiving time difference compensation order, according to the communication distance of each clock handset, set in advance the make-up time between the clock handset that regional host computer is corresponding with it and send to corresponding clock handset, according to newer command more, real-time time is transferred to the first wireless communication module, and a STC single-chip microcomputer that real-time time is converted to digit time signal;
For real-time time or make-up time being converted to the first wireless communication module that wireless real-time time signal or wireless make-up time signal are emitted to corresponding clock handset;
Described STC single-chip microcomputer interconnection network communication module and first wireless communication module.
In described wireless synchronization electronic clock system, described regional host computer also comprises:
For converting digit time signal to the first display driver circuit that electric signal drives the first clock display;
Be used for according to the first clock display of the time after electric signal display update;
A described STC single-chip microcomputer, the first display driver circuit, the first clock display connect successively.
In described wireless synchronization electronic clock system, described clock handset comprises:
Be used for the wireless real-time time signal or corresponding the second wireless communication module that is reduced into real-time time or make-up time of wireless make-up time signal that receive;
Be used for storing the make-up time, according to real-time time and make-up time, calculate update time, and convert the 2nd STC single-chip microcomputer of digit time signal output to;
For digit time signal being converted to the second display driver circuit that electric signal drives second clock display;
Be used for according to the second clock display of the time after electric signal display update;
Described the second wireless communication module, the 2nd STC single-chip microcomputer, the second display driver circuit, second clock display connect successively.
In described wireless synchronization electronic clock system, described the second display driver circuit comprises: the first string turns and chip, the second string turns and chip, the 3rd string turn and chip, the 4th string turns and chip, first drives chip, second to drive chip, the 3rd to drive chip and the moving chip of 4 wheel driven; Described the first string turns and chip, the second string turns and chip, the 3rd string turn and chip and the 4th string turns and the model of chip is 74HC595; Described first drives chip, second to drive chip, the 3rd to drive the model of chip and the moving chip of 4 wheel driven to be ULN2003;
Described the first string turns and the SER of chip holds the SER end that connects the 2nd STC single-chip microcomputer, the first string turns and the Q7 end of chip connects that the second string turns and the SER end of chip, the second string turns and the Q7 end of chip connects that the 3rd string turns and the SER of chip end, and the 3rd string turns and the Q7 end of chip connects that the 4th string turns and the SER of chip end; Described the first string turns and chip, the second string turns and chip, the 3rd string turn and chip turns with the 4th string and the SRCLK end of chip is all connected the SRCLK end of the 2nd STC single-chip microcomputer; Described the first string turns and chip, the second string turns and chip, the 3rd string turn and chip and the 4th string turns and chip
end all connects feeder ear VCC; The first string turns and chip, the second string turns and chip, the 3rd string turn and chip turns with the 4th string and the RCLK end of chip is all connected the RCLK end of the 2nd STC single-chip microcomputer; The first string turns and chip, the second string turns and chip, the 3rd string turn and chip and the 4th string turns and the E of chip holds equal ground connection; The first string turns and the O0 end ~ O6 of chip holds the 1st pin ~ 7th pin that connects respectively the first driving chip, and first drives the 10th pin ~ 16th pin of chip to connect first group of LED charactron; The second string turns and the O0 end ~ O6 of chip holds the 1st pin ~ 7th pin that connects respectively the second driving chip, and second drives the 10th pin ~ 16th pin of chip to connect second group of LED charactron; The 3rd string turns and the O0 end ~ O6 of chip holds the 1st pin ~ 7th pin that connects respectively the 3rd driving chip, and the 3rd drives the 10th pin ~ 16th pin of chip to connect the 3rd group of LED charactron; The 4th string turns and the O0 end ~ O6 end of chip connects respectively the 1st pin ~ 7th pin that 4 wheel driven moves chip, and the 10th pin ~ 16th pin of the moving chip of 4 wheel driven connects the 4th group of LED charactron.
In described wireless synchronization electronic clock system, described regional host computer also comprises for the timer of make-up time is set; Described timer connects a STC single-chip microcomputer.
In described wireless synchronization electronic clock system, described regional host computer also comprises for arranging and the first code switch of the identification number of the zone number of storage area main frame and a plurality of clock handsets corresponding to regional host computer;
Described clock handset also comprises for arranging and store the second code switch of the zone number of the regional host computer under its identification number and this clock handset;
Described the first code switch connects a STC single-chip microcomputer, and described the second code switch connects the 2nd STC single-chip microcomputer.
In described wireless synchronization electronic clock system, described clock handset comprises 4 cun of red-light LED charactrons for displaying time, and the display screen shell of clock handset is brown acrylic panel.
In described wireless synchronization electronic clock system, described the first wireless communication module and the second wireless communication module are 433MHz wireless duplex communication module.
In described wireless synchronization electronic clock system, described clock handset also comprises for the timer of dormancy time is set, described timer connection the 2nd STC single-chip microcomputer.
Compared to prior art, a kind of wireless synchronization electronic clock system that the utility model provides, while receiving the time difference compensation order of PC host computer transmission by regional host computer, according to the communication distance of each clock handset, set in advance the corresponding make-up time and send to the storage of clock handset, after the real-time time sending at reception PC host computer and more newer command, regional host computer basis more newer command sends to corresponding clock handset by real-time time and make-up time, and clock handset change current time also shows; Adoption Network communication connection is connected the circuit restriction of having avoided wire communication with radio communication, facilitated control operation, according to each clock handset, set in advance the corresponding make-up time with the distance of regional host computer simultaneously, eliminated the mistiming that different range differences causes, make the time of each clock handset realize renewal synchronously, improved accuracy and the accuracy of synchronism of time in each clock handset, realized the unified of clock handset controlled.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model wireless synchronization electronic clock system.
Fig. 2 is the structured flowchart of the utility model wireless synchronization electronic clock system one preferred embodiment.
Fig. 3 is the circuit diagram of display driver circuit in the utility model wireless synchronization electronic clock system.
Fig. 4 is the schematic diagram of LED charactron in the utility model wireless synchronization electronic clock system.
Embodiment
The utility model provides a kind of wireless synchronization electronic clock system, for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, the wireless synchronization electronic clock system that the utility model provides is for the controlled in wireless alignment time and carry out time difference compensation and realize time synchronized and show, it comprises a PC(personal computer who realizes overhead control, PC) host computer, realize the regional host computer that subregion is controlled, a regional host computer is controlled again a plurality of clock handsets simultaneously.Different from the communication distance between regional host computer based on each clock handset, signal send and receive time loop length is different, regional host computer is when receiving the time difference compensation order of PC host computer transmission, according to the communication distance of each clock handset, set in advance the make-up time of each clock handset and send to corresponding clock handset storage, at PC host computer, send real-time time and when more newer command is to a plurality of regional host computer, regional host computer basis more newer command sends to corresponding clock handset by real-time time, clock handset is again according to real-time time and make-up time change current time demonstration.
For example, a regional Nei Youduojia school, in order to realize the unified calibration of college entrance examination time in each school and to upgrade, can be arranged on PC host computer the Bureau of Education in this district. Regional host computer 1,2, N are separately positioned on the pulpit ，Ru A school setting area main frame 1 of each school, B school setting area main frame 2, by that analogy, the setting area main frame N(N of last school of family is positive integer).In A school, every classroom hangs a clock handset, hang successively clock handset 11, clock handset 12 ... clock handset 1M(M is positive integer); Correspondingly every classroom in ， B school hang respectively clock handset 21, clock handset 22 ... clock handset 2M.Like this by the PC host computer of Bureau of Education send unified real-time time and more newer command to the regional host computer 1 of each school, regional host computer 2 ... regional host computer N, the time unification that can realize the different classrooms of different schools upgrades.
In the present embodiment, between PC host computer and regional host computer, Adoption Network is communicated by letter, and the speed of transmission Network Based is very fast, and the mistiming existing because of communication distance when PC host computer issues real-time time to regional main frame is very little, can ignore.Although network service is substantially without the mistiming, synchronousness is fine; But the mode cost that Adoption Network is communicated by letter between regional host computer and clock handset is higher, as classrooms between many, lay netting twine with regard to troublesome poeration, affect academic environment.Therefore in the present embodiment, between regional host computer and clock handset, adopt wireless connections.
Based on wireless connections mode, exist communication distance to cause the problem of mistiming, after installing wireless synchronization electronic clock system, need first each clock handset make-up time to be arranged.Regional host computer 1 successively according to clock handset 11, clock handset 12 ... the make-up time that the communication distance of clock handset 1M arranges clock handset 11 is T11, and the make-up time of clock handset 12 is T12 ... the make-up time of clock handset 1M is T1M.Regional host computer 1 sends to clock handset 11 to store make-up time T11, and make-up time T12 is sent to 12 storages of clock handset, and by that analogy, the concrete method to set up of make-up time will be elaborated in the back.
In the utility model, the inner structure of regional main frame is identical, and the inner structure of each clock handset is identical.The present embodiment be take regional host computer 1 and clock handset 11 and is set forth as example, please refer to Fig. 2, described regional host computer 1 comprises network communication module 201, a STC single-chip microcomputer 202 and the first wireless communication module 203, described STC single-chip microcomputer 202 interconnection network communication modules 201 and first wireless communication module 203.Described network communication module 201 is connected with PC host computer 10 networks, receives real-time time and more newer command that PC host computer 10 sends.The one STC single-chip microcomputer 202 sets in advance the make-up time between the clock handset 11 that regional host computer 1 is corresponding with it according to the communication distance of each clock handset, supposes that the make-up time between regional host computer 1 and clock handset 11 is T11.The one STC single-chip microcomputer 202 will send to 11 storages of clock handset the make-up time, according to newer command more, real-time time is transferred to the first wireless communication module 203, the first wireless communication module 203 is by real-time time or the make-up time converts wireless real-time time signal to or wireless make-up time signal is emitted to corresponding clock handset 11, as converted real-time time and make-up time T11 to corresponding wireless signal transmission to clock handset 11.
In order to make user know the real-time time that PC host computer 10 sends, described regional host computer 1 also comprises the first display driver circuit 204 and the first clock display 205, and a described STC single-chip microcomputer 202, the first display driver circuit 204, the first clock display 205 connect successively.The one STC single-chip microcomputer 202 is by real-time time and convert digit time signal to and export in the first display driver circuit 204 and change, and generates electric signal and drives the time after the first clock display 205 display updates.
Described clock handset 11 comprises the second wireless communication module 301, the 2nd STC single-chip microcomputer 302, the second display driver circuit 303, second clock display 304, and it connects successively.The second wireless communication module 301 is by the wireless real-time time signal receiving or wireless make-up time signal is corresponding is reduced into real-time time or make-up time, the 2nd 302 storage make-up times of STC single-chip microcomputer, according to real-time time and make-up time, calculate update time, and convert digit time signal output to.The second display driver circuit 304 converts digit time signal to electric signal and drives the charactron light on and off in second clock display 304, and second clock display 304 is combined into corresponding numeral according to the light on and off of charactron, the time after upgrading.Wherein, clock handset comprises 4 cun of red-light LED charactrons for displaying time, and the display screen shell of clock handset is brown acrylic panel, to guarantee clear display and not dazzling.
Please refer to Fig. 3 and Fig. 4, described the second display driver circuit 303 comprises that the first string turns and chip U1, the second string turns and chip U2, the 3rd string turn and chip U3, the 4th string turns and chip U4, first drives chip Ua, second to drive chip Ub, the 3rd to drive chip Uc and the moving chip Ud of 4 wheel driven; Described the first string turns and chip U1, the second string turns and chip U2, the 3rd string turn and chip U3 and the 4th string turns and the model of chip U4 is 74HC595; Described first drives chip Ua, second to drive chip Ub, the 3rd to drive the model of chip Uc and the moving chip Ud of 4 wheel driven to be ULN2003.
Described the first string turns and the SER of chip U1 holds the SER end that connects the 2nd STC single-chip microcomputer 302, the first string turns and the Q7 end of chip U1 connects that the second string turns and the SER end of chip U2, the second string turns and the Q7 end of chip U2 connects that the 3rd string turns and the SER of chip U3 end, and the 3rd string turns and the Q7 end of chip U3 connects that the 4th string turns and the SER of chip U4 end; Described the first string turns and chip U1, the second string turns and chip U2, the 3rd string turn and chip U3 turns with the 4th string and the SRCLK end of chip U4 is all connected the SRCLK end of the 2nd STC single-chip microcomputer 302; Described the first string turns and chip U1, the second string turns and chip U2, the 3rd string turn and chip U3 and the 4th string turns and chip U4
end all connects feeder ear VCC; The first string turns and chip U1, the second string turns and chip U2, the 3rd string turn and chip turns with the 4th string and the RCLK end of chip is all connected the RCLK end of the 2nd STC single-chip microcomputer; The first string turns and chip U1, the second string turns and chip U2, the 3rd string turn and chip U3 and the 4th string turns and the E of chip U4 holds equal ground connection; The first string turns and the O0 end ~ O6 of chip U1 holds the 1st pin ~ 7th pin that connects respectively the first driving chip Ua, and first drives the 10th pin ~ 16th pin of chip Ua to connect first group of LED charactron (in Fig. 4, Far Left forms 7 charactrons of " 8 " word); The second string turns and the O0 end ~ O6 of chip U2 holds the 1st pin ~ 7th pin that connects respectively the second driving chip Ub, and second drives the 10th pin ~ 16th pin of chip Ub to connect second group of LED charactron (7 charactrons of left several second composition " 8 " word in Fig. 4); The 3rd string turns and the O0 end ~ O6 of chip U3 holds the 1st pin ~ 7th pin that connects respectively the 3rd driving chip Uc, and the 3rd drives the 10th pin ~ 16th pin of chip Uc to connect the 3rd group of LED charactron (7 charactrons of right several second composition " 8 " word in Fig. 4); The 4th string turns and the O0 end ~ O6 end of chip U4 connects respectively the 1st pin ~ 7th pin that 4 wheel driven moves chip Ud, and the 10th pin ~ 16th pin of the moving chip Ud of 4 wheel driven connects the 4th group of LED charactron (in Fig. 4, rightmost forms 7 charactrons of " 8 " word); First drives chip Ua, second to drive chip Ub, the 3rd to drive the equal ground connection of the 8th pin of chip Uc, the moving chip Ud of 4 wheel driven, and its 9th pin output is all unsettled.7 charactrons in first group of LED charactron in out1 signal ~ out7 signal difference control chart 4 of the first driving chip Ua output, during high level, charactron is bright, and during low level, charactron goes out.Second group of LED charactron in out11 signal ~ out17 signal difference control chart 4 of the second driving chip Ub output, the 3rd group of LED charactron in out21 signal ~ out27 signal difference control chart 4 of the 3rd driving chip Uc output, the 4th group of LED charactron in out31 signal ~ out37 signal difference control chart 4 of the moving chip Uc output of 4 wheel driven.
Described the first wireless communication module 203 and the second wireless communication module 301 are 433MHz wireless duplex communication module.Based on wireless connections between regional host computer 1 and clock handset 11, in radio communication coverage area, synchronous for ensureing each clock handset every minute and second, the mistiming producing according to the distance of each clock handset and regional host computer is carried out time difference compensation.Described regional host computer also comprises for the timer of make-up time is set, and described timer connects a STC single-chip microcomputer.Take regional host computer 1 and clock handset 11 is example, installs after All Ranges main frame and clock handset, and PC host computer 10 first issues time difference compensation order to regional host computer 1 by network.The one STC single-chip microcomputer 202 generates call signal according to time difference compensation order, converts call signal to wireless paging signals be emitted to clock handset 11 by the first wireless communication module 203.The one STC single-chip microcomputer 202 starts timer 206 and starts timing when the first wireless communication module 203 transmitting wireless paging signals being detected.The second wireless communication module 301 of clock handset 11 is reduced into call signal by wireless paging signals and is transferred to the 2nd STC single-chip microcomputer 302, during the 2nd STC single-chip microcomputer 302 receiving calling signal, generate return signal and be transferred to the second wireless communication module 301 and change, generate wireless reply signal and be transmitted to regional host computer 1.The first wireless communication module 203 is reduced into return signal by the wireless reply signal of reception and is transferred to a STC monolithic 202, the one STC single-chip microcomputer 202 stops the timing of timer 206 after the return signal that receives clock handset 11, suppose timing time Tx, it is regional host computer 1 and clock handset 11 call duration time of round trip back and forth, by STC monolithic 202 internal processes, timing time Tx is poor divided by the 2 one way call duration times that obtain between regional host computer 1 and clock handset 11, that is to say make-up time=Tx/2.Finally by the first wireless communication module 203, will send to clock handset 11 make-up time, be stored in the 2nd STC single-chip microcomputer 302.When the 2nd STC single-chip microcomputer 302 is received after real-time time, real-time time is added to the make-up time obtains correct time.In the manner described above, regional host computer 1 compensates pre-seting of time with clock handset 12 to clock handset 1M respectively successively.
Can accurately locate when regional host computer is communicated by letter with clock handset, described regional host computer also comprises for arranging and the first code switch of the identification number of the zone number of storage area main frame and a plurality of clock handsets corresponding to regional host computer.Correspondingly, described clock handset also comprises for arranging and store the second code switch of the zone number of the regional host computer under its identification number and this clock handset.Described the first code switch connects a STC single-chip microcomputer, and described the second code switch connects the 2nd STC single-chip microcomputer.When needs arrange the make-up time, a STC single-chip microcomputer has carried the current identification number that needs the clock handset of compensation while sending call signal.Whether identically during each clock handset receiving calling signal, first check identification number, identical this clock handset response, feeds back to complex signal; Identification number is different, does not respond.
The zone number of having stored this regional host computer 1 in the first code switch 207 in regional host computer 1, the clock handset 11 that this regional host computer 1 can be controlled is to each identification number of clock handset 1M.The second code switch 305 has been stored the identification number of clock handset 11, and the zone number of the regional host computer 1 that belongs to of this clock handset 11.Clock handset 11 is carried out to time bias while pre-seting, in the call signal that the one STC single-chip microcomputer 202 sends, carried the identification number of clock handset 11, when clock handset 11 receives this call signal, whether the identification number of the first verification transmission of the 2nd STC single-chip microcomputer 302 is identical with the identification number arranging in the second code switch 305, and identical rear the 2nd STC single-chip microcomputer 302 just feeds back to complex signal.
The second wireless communication module based in clock handset is all adopted as 433MHz wireless duplex communication module, wireless connections communication mutually between each clock handset.In the specific implementation, if part clock handset and regional host computer is distant, exceeded the controlled range of 433MHz wireless duplex communication module, can also clock handset be arranged to level-2 area main frame by changing zone number.For example regional host computer 1 is controlled clock handset 11 ~ clock handset 20, clock handset 18 ~ clock handset 20 outside range for wireless communication, clock handset 17 in range for wireless communication and with clock handset 18 in can communication range.The zone number that clock handset 16 is original is identical with regional host computer 1, now be revised as level-2 area numbering, make clock handset 16 become level-2 area main frame 16, the zone number of clock handset 18 ~ clock handset 20 is also revised as to level-2 area numbering simultaneously, represents that clock handset 18 ~ clock handset 20 is by 16 controls of level-2 area main frame.The rest may be inferred can arrange tertiary zone main frame, level Four regional host computer etc.
In order to save power consumption, described clock handset also comprises for the timer of dormancy time is set; Described the 2nd STC single-chip microcomputer also, for cut out the second wireless communication module and clock display in dormancy time section, makes clock handset enter dormant state.As have a summer holiday or during winter vacation, do not need clock handset 11 displaying times, by timer 306, dormancy time is set, in the 2nd STC single-chip microcomputer 302 dormancy time sections, close the second wireless communication module 301 and second clock display 304.
Described regional host computer also comprises debugging button, serial communication modular, and debugging button is connected respectively a STC single-chip microcomputer with serial communication modular, is convenient to user and independently debugs.Clock handset also comprises the module identical with serial communication modular with debugging button, and it is connected with the 2nd STC single-chip microcomputer respectively.
In sum, the utility model is realized total time by PC host computer and is controlled, the real-time time that needs are upgraded is issued in regional main frame by network, regional main frame is distinguished a plurality of clock handsets of controlled in wireless again, the time of refresh clock handset, realize the controlled in wireless of clock, solved distance limit and the high problem of cost of wire communication mode; Regional host computer and clock handset are adopted 433MHz wireless duplex communication module and are carried out radio communication, and each clock handset is set in advance to the make-up time, having realized subregion controls in real time, eliminated the mistiming that communication distance causes, make the time unification of each clock handset and synchronous, improved the accuracy and precision of time.In described clock handset, be also provided with timer, make clock handset enter dormant state in dormancy time section, reduced the power consumption of clock handset, saved electric energy.
Be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. a wireless synchronization electronic clock system, for the controlled in wireless alignment time and carry out time difference compensation and realize time synchronized and show, is characterized in that, comprising:
For sending time difference compensation order, real-time time and the PC host computer of newer command more;
According to the communication distance of each clock handset, set in advance the corresponding make-up time and send to corresponding clock handset when receiving time difference compensation order, and real-time time is sent to the regional host computer of clock handset according to newer command more;
Be used for storing the make-up time, according to the clock handset of real-time time and make-up time change current time demonstration;
Described PC host computer is one, and its network connects a plurality of regional host computers, a plurality of clock handsets of each regional host computer wireless connections, wireless connections mutually between each clock handset.
2. wireless synchronization electronic clock system according to claim 1, is characterized in that, described regional host computer comprises:
For realizing network with PC host computer, be connected reception real-time time and the more network communication module of newer command;
For after receiving time difference compensation order, according to the communication distance of each clock handset, set in advance the make-up time between the clock handset that regional host computer is corresponding with it and send to corresponding clock handset, according to newer command more, real-time time is transferred to the first wireless communication module, and a STC single-chip microcomputer that real-time time is converted to digit time signal;
For real-time time or make-up time being converted to the first wireless communication module that wireless real-time time signal or wireless make-up time signal are emitted to corresponding clock handset;
Described STC single-chip microcomputer interconnection network communication module and first wireless communication module.
3. wireless synchronization electronic clock system according to claim 2, is characterized in that, described regional host computer also comprises:
For converting digit time signal to the first display driver circuit that electric signal drives the first clock display;
Be used for according to the first clock display of the time after electric signal display update;
A described STC single-chip microcomputer, the first display driver circuit, the first clock display connect successively.
4. wireless synchronization electronic clock system according to claim 2, is characterized in that, described clock handset comprises:
Be used for the wireless real-time time signal or corresponding the second wireless communication module that is reduced into real-time time or make-up time of wireless make-up time signal that receive;
Be used for storing the make-up time, according to real-time time and make-up time, calculate update time, and convert the 2nd STC single-chip microcomputer of digit time signal output to;
For digit time signal being converted to the second display driver circuit that electric signal drives second clock display;
Be used for according to the second clock display of the time after electric signal display update;
Described the second wireless communication module, the 2nd STC single-chip microcomputer, the second display driver circuit, second clock display connect successively.
5. wireless synchronization electronic clock system according to claim 4, it is characterized in that, described the second display driver circuit comprises: the first string turns and chip, the second string turns and chip, the 3rd string turn and chip, the 4th string turns and chip, first drives chip, second to drive chip, the 3rd to drive chip and the moving chip of 4 wheel driven; Described the first string turns and chip, the second string turns and chip, the 3rd string turn and chip and the 4th string turns and the model of chip is 74HC595; Described first drives chip, second to drive chip, the 3rd to drive the model of chip and the moving chip of 4 wheel driven to be ULN2003;
Described the first string turns and the SER of chip holds the SER end that connects the 2nd STC single-chip microcomputer, the first string turns and the Q7 end of chip connects that the second string turns and the SER end of chip, the second string turns and the Q7 end of chip connects that the 3rd string turns and the SER of chip end, and the 3rd string turns and the Q7 end of chip connects that the 4th string turns and the SER of chip end; Described the first string turns and chip, the second string turns and chip, the 3rd string turn and chip turns with the 4th string and the SRCLK end of chip is all connected the SRCLK end of the 2nd STC single-chip microcomputer; Described the first string turns and chip, the second string turns and chip, the 3rd string turn and chip and the 4th string turns and chip
end all connects feeder ear VCC; The first string turns and chip, the second string turns and chip, the 3rd string turn and chip turns with the 4th string and the RCLK end of chip is all connected the RCLK end of the 2nd STC single-chip microcomputer; The first string turns and chip, the second string turns and chip, the 3rd string turn and chip and the 4th string turns and the E of chip holds equal ground connection; The first string turns and the O0 end ~ O6 of chip holds the 1st pin ~ 7th pin that connects respectively the first driving chip, and first drives the 10th pin ~ 16th pin of chip to connect first group of LED charactron; The second string turns and the O0 end ~ O6 of chip holds the 1st pin ~ 7th pin that connects respectively the second driving chip, and second drives the 10th pin ~ 16th pin of chip to connect second group of LED charactron; The 3rd string turns and the O0 end ~ O6 of chip holds the 1st pin ~ 7th pin that connects respectively the 3rd driving chip, and the 3rd drives the 10th pin ~ 16th pin of chip to connect the 3rd group of LED charactron; The 4th string turns and the O0 end ~ O6 end of chip connects respectively the 1st pin ~ 7th pin that 4 wheel driven moves chip, and the 10th pin ~ 16th pin of the moving chip of 4 wheel driven connects the 4th group of LED charactron.
6. wireless synchronization electronic clock system according to claim 3, is characterized in that, described regional host computer also comprises for the timer of make-up time is set; Described timer connects a STC single-chip microcomputer.
7. wireless synchronization electronic clock system according to claim 6, is characterized in that, described regional host computer also comprises for arranging and the first code switch of the identification number of the zone number of storage area main frame and a plurality of clock handsets corresponding to regional host computer;
Described clock handset also comprises for arranging and store the second code switch of the zone number of the regional host computer under its identification number and this clock handset;
Described the first code switch connects a STC single-chip microcomputer, and described the second code switch connects the 2nd STC single-chip microcomputer.
8. wireless synchronization electronic clock system according to claim 1, is characterized in that, described clock handset comprises 4 cun of red-light LED charactrons for displaying time, and the display screen shell of clock handset is brown acrylic panel.
9. wireless synchronization electronic clock system according to claim 4, is characterized in that, described the first wireless communication module and the second wireless communication module are 433MHz wireless duplex communication module.
10. wireless synchronization electronic clock system according to claim 3, is characterized in that, described clock handset also comprises for the timer of dormancy time is set, described timer connection the 2nd STC single-chip microcomputer.
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| CN201320593292.5U CN203480243U (en) | 2013-09-25 | 2013-09-25 | Wireless synchronous electronic clock system |
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| CN201320593292.5U CN203480243U (en) | 2013-09-25 | 2013-09-25 | Wireless synchronous electronic clock system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425576A (en) * | 2015-12-01 | 2016-03-23 | 张铭源 | Electronic clock synchronization system at examination place and synchronization method thereof |
| US9798292B2 (en) | 2015-01-26 | 2017-10-24 | Haier Us Appliance Solutions, Inc. | Method and system for presenting time on an appliance |
| CN111273540A (en) * | 2020-04-15 | 2020-06-12 | 河南广播电视大学 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
| CN111756561A (en) * | 2019-03-28 | 2020-10-09 | 上海寰泰电子有限公司 | Clock initialization configuration method and device |
| JP7282309B1 (en) | 2022-01-08 | 2023-05-29 | 海明 伊藤 | watch |
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2013
- 2013-09-25 CN CN201320593292.5U patent/CN203480243U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9798292B2 (en) | 2015-01-26 | 2017-10-24 | Haier Us Appliance Solutions, Inc. | Method and system for presenting time on an appliance |
| CN105425576A (en) * | 2015-12-01 | 2016-03-23 | 张铭源 | Electronic clock synchronization system at examination place and synchronization method thereof |
| CN111756561A (en) * | 2019-03-28 | 2020-10-09 | 上海寰泰电子有限公司 | Clock initialization configuration method and device |
| CN111273540A (en) * | 2020-04-15 | 2020-06-12 | 河南广播电视大学 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
| CN111273540B (en) * | 2020-04-15 | 2022-06-28 | 河南广播电视大学 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
| JP7282309B1 (en) | 2022-01-08 | 2023-05-29 | 海明 伊藤 | watch |
| JP2023101440A (en) * | 2022-01-08 | 2023-07-21 | 海明 伊藤 | Wrist watch |
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