CN206602548U - The Stopwatch Calibration system controlled based on network remote - Google Patents
The Stopwatch Calibration system controlled based on network remote Download PDFInfo
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- CN206602548U CN206602548U CN201720197939.0U CN201720197939U CN206602548U CN 206602548 U CN206602548 U CN 206602548U CN 201720197939 U CN201720197939 U CN 201720197939U CN 206602548 U CN206602548 U CN 206602548U
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- Prior art keywords
- module
- stopwatch
- operation device
- interval operation
- time interval
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Abstract
Disclose a kind of Stopwatch Calibration system controlled based on network remote.The system includes:Standard time interval operation device, the standard time interval operation device includes:CPU module and connected power module, clock module, memory module and ethernet module;Mechanical actuating unit, the mechanical actuating unit includes set of electromagnet, trip rod, fixture, the fixture clamps stopwatch to be measured, the electric impulse signal that the break-make of the electromagnet is produced by the standard time interval operation device is controlled, and the electromagnet promotes trip rod impact stopwatch button to be started and stopped;Remote control, the standard time interval operation device passes through ethernet module and the remote control network connection.The utility model can carry out relative set by remote control to the standard time interval operation device in Stopwatch Calibration system, can effectively improve the operating efficiency of Stopwatch Calibration system, save human cost.
Description
Technical field
The utility model is related to stopwatch detection technique field, in particular it relates to a kind of stopwatch controlled based on network remote
Verification system.
Background technology
Stopwatch Calibration instrument is the generalized time metrical instrument for examining and determine the hourmeter instruments such as electronic stopclock, mechanical stopwatch.Its base
This function is the time interval signal of the one or more of standards of direct output.Stopwatch Calibration instrument is used as the standard for examining and determine all kinds of stopwatches
Utensil, in the application of metering institutes widely, its accuracy directly affects the transmission of quantity value of time measurement utensil.
The outer welding fixture of Stopwatch Calibration instrument main frame and tested stopwatch, the means examined and determine at present stopwatch essentially semi-hand
Test coordinates the work of Stopwatch Calibration instrument, it is necessary to the hand-held tested stopwatch of verification worker is arrived on frock clamp, and workload is big, efficiency compared with
It is low.Therefore, it is necessary to develop a kind of Stopwatch Calibration system for improving operating efficiency.
The information for being disclosed in the utility model background section is merely intended to deepen to general background of the present utility model
The understanding of technology, and be not construed as recognizing or imply the information structure in any form by those skilled in the art public affairs
The prior art known.
Utility model content
In order to solve the above problems, the utility model provides a kind of Stopwatch Calibration system controlled based on network remote, its
Relative set is carried out to the standard time interval operation device in system by network remote control device.
Included according to the Stopwatch Calibration system of the present utility model controlled based on network remote:Standard time interval occurred is filled
Put, the standard time interval operation device includes:CPU module and connected power module, clock module, memory
Module and ethernet module, the clock module include cpu system clock and timer reference clock;Mechanical actuating unit, institute
Stating mechanical actuating unit includes set of electromagnet, trip rod, fixture, and the fixture clamps stopwatch to be measured, the electromagnet
The electric impulse signal that break-make is produced by the standard time interval operation device is controlled, and the electromagnet promotes the trip rod impact second
The button of table is started and stopped;Remote control, the time interval generating means by ethernet module with it is described
Remote control network connection.
Preferably, the standard time interval operation device also includes the short message module being connected with the CPU module.
Preferably, the standard time interval operation device also includes the reseting module being connected with the CPU module.
Preferably, the standard time interval operation device also includes the JTAG debugging modules being connected with the CPU module.
Preferably, the standard time interval operation device also includes the LCD display module being connected with the CPU module.
Preferably, the standard time interval operation device also includes the buzzer being connected with the CPU module.
Preferably, the remote control is PC.
Preferably, the mechanical actuating unit includes 4 sets of electromagnet, trip rod, fixtures.
The utility model can be carried out corresponding by remote control to the standard time interval operation device in system
Set, when calibrating operation completes also send alerting signal automatically, Stopwatch Calibration system can be effectively improved using the utility model
The operating efficiency of system, saves human cost.
Method and apparatus of the present utility model have other characteristics and an advantage, and these characteristics and advantage are from being incorporated herein
Accompanying drawing and subsequent specific embodiment in will be apparent, or by the accompanying drawing being incorporated herein and subsequent specific
Stated in detail in embodiment, these the drawings and specific embodiments are provided commonly for explaining certain principles of the present utility model.
Brief description of the drawings
It is of the present utility model above-mentioned by the way that the utility model exemplary embodiment is described in more detail with reference to accompanying drawing
And other purposes, feature and advantage will be apparent, wherein, in the utility model exemplary embodiment, identical
Reference number typically represents same parts.
Fig. 1 shows the Stopwatch Calibration system controlled based on network remote according to an embodiment of the present utility model
Structural representation.
Embodiment
The utility model is more fully described below with reference to accompanying drawings.Although being shown in accompanying drawing of the present utility model preferred
Embodiment, however, it is to be appreciated that may be realized in various forms the utility model without that should be limited by embodiments set forth here
System.On the contrary, these embodiments are provided so that the utility model is more thorough and complete, and can will be of the present utility model
Scope intactly conveys to those skilled in the art.
Fig. 1 shows the Stopwatch Calibration system controlled based on network remote according to an embodiment of the present utility model
Structural representation.
As shown in figure 1, the Stopwatch Calibration system that should be controlled based on network remote is included:Standard time interval operation device 1,
Standard time interval operation device 1 includes:CPU module 101 and connected power module 102, clock module 103, deposit
Memory modules 104 and ethernet module 105, clock module 103 include cpu system clock and timer reference clock;Machinery is held
Luggage puts 2, and mechanical actuating unit 2 includes set of electromagnet 201, trip rod 202, fixture 203, and fixture 203 clamps the second to be measured
Table, the electric impulse signal that the break-make of electromagnet 201 is produced by standard time interval operation device 1 is controlled, and electromagnet 201 is promoted and hit
The button for hitting the impact stopwatch of bar 202 is started and stopped;Remote control 3, time interval generating means 1 passes through Ethernet
Module 105 and the network connection of remote control 3.
The embodiment carries out relative set by remote control to the standard time interval operation device in system,
So as to improve the operating efficiency of Stopwatch Calibration system.
The general principle of Stopwatch Calibration system is to replace human hand to start and stop stopwatch with mechanical trip arm, trip rod
Action is by standard time Separation control.The positive pulse signal produced by standard time interval operation device, control electromagnet
Break-make, promotes trip rod to realize startup and stopping timing to stopwatch.Therefore, the standard time interval that calibrating instrument main frame is produced is
For the interval of two positive pulses.
Obviously, the action of electromagnet core is delayed relative to positive pulse signal, i.e., act relative input pulse twice each
There is a delay, τ is designated as respectively1And τ2.Remember T0For the predetermined time interval produced, then (stopwatch is surveyed at the interval that iron core is acted twice
The interval of amount) be:
T1=T0+(τ2-τ1) (1)
Such as action delay twice is essentially equal, then τ2-τ1=0, T1=T0.It is practically impossible to it is equal, but can be most of
Offset, τ2-τ1(1~3) ms is may diminish to, then the measurement error with respect to stopwatch can be neglected.
According to JJG 237-2010《Stopwatch measurement verification regulations》, the important indicator of Stopwatch Calibration instrument is standard time interval
T0The degree of accuracy should be better than 6 × 10-7。
In this embodiment, the one end of standard time interval operation device 1 is connected by cable with mechanical actuating unit 2, separately
One end is connected by network with remote control 3.Screens is provided with the fixture of mechanical actuating unit 2 to treat for clamping
Stopwatch is surveyed, the positive pulse signal produced by standard time interval operation device controls the break-make of electromagnetism, promote trip rod impact
The beginning of stopwatch/stop key.Stopwatch Calibration operating personnel can by the remote control of access network, such as PC,
Remote control is carried out to standard time interval operation device, the calibrating time is set, the order of calibrating " beginning " or " stopping " being issued
Etc..
Mechanical actuating unit can include many set electromagnet, trip rod, fixture, and multiple stopwatches are examined simultaneously with realizing
It is fixed.Preferably, mechanical actuating unit includes 4 sets of electromagnet, trip rod, fixtures.It will be appreciated by those skilled in the art that can root
The quantity of supporting electromagnet, trip rod, fixture is extended according to being actually needed.
CPU module 101 in standard time interval operation device 1 can use 16/32 risc processor S3C2440A,
Using ARM920T kernels, low-power consumption, the processing computing capability with high speed.Meanwhile, this ARM chip internal resource distribution is rich
It is rich.Compared with 8,16 single-chip microcomputers, 16/32 RISC embedded microprocessor has more excellent cost performance, and supports C
The interchangeability and portability of program are preferable between Programming with Pascal Language, different microprocessors.Because risc processor is in aspect of performance
Advantage, be allowed to be more suitable for run multiple task real-time operation system, to realize more complicated control function.
Power module 102 can select LT1117 LDO chips, and implementation is simple, cheap.Coordinate a small amount of outer
Portion's resistance, capacitor element, complete the conversion of voltage.
Clock module 103 is the key component of standard time interval operation device, including cpu system clock and timer ginseng
Examine clock.Cpu system clock selects 12MHz crystal oscillator.Timer reference clock, selected straight cutting encapsulation, 10MHz it is high-precision
Degree, constant temperature crystal oscillator with high stability are used as core component, frequency accuracy 0.01PPM.As high-precision after frequency dividing
The time base of degree.
Memory module 104 includes SDRAM and FLASH, can select two panels 32M SDRAM, a piece of 256M Flash.
Ethernet module 105 is used for the network service for realizing standard time interval operation device and remote control, is
The important component of Stopwatch Calibration system.The hardware circuit of ethernet module is made up of Ethernet chip and RJ45 interfaces, choosing
Ethernet chip can be DM9000A.This is a ethernet control chip there is provided general processor interface.
DM900A has been internally integrated MAC and PHY, realizes the function of Ethernet media access layer (MAC) and physical layer (PHY), bag
Include assembling/fractionation of MAC data frame and transmitting-receiving, Address Recognition, CRC codings/verification, receive noise suppressed, output pulse shaping,
Retransmission timeout, link integrity test, signal polarity detection and correction etc..It can provide 10/100Mbps PHY interface.From
RJ45 be internally integrated network isolation transformer, its effect mainly has two:One is transmission data, the difference that PHY is sent out
The coupling filtering of coil that sub-signal is coupled with differential mode is coupled to by coil the other end of varying level to strengthen signal
It is connected to netting twine;Two be the varying level for the heterogeneous networks equipment room for isolating netting twine connection, to prevent different voltages from passing through netting twine
Transmission damages equipment.
SMS module 106 is used to send short message to the phone number of setting by GSM network, points out calibrating operator's inspection
It is fixed to have completed.This makes operator to stare at the time of timing all the time, and the in particular calibration operation of stopwatch diurnal inequality provides very big
Facility and freedom.
Short message service is the most easily data communication mode that GSM network is provided, realize it is simple, it is with low cost.
In the embodiment, SMS module can select SIM800L integration modules, and the module can support 4 frequency GSM/GPRS, the frequency range of work
For:GSM850, EGSM900, DCS1800 and PCS1900MHz.The power supply voltage range of module is:3.4V~4.4V, using province
Power technology is designed, power consumption electric current as little as 0.7mA in the hibernation mode.SIM800L modules are connected by connector and CPU module
Connect.
Reseting module 107 can select special system monitoring reset chip MAX811, realize the monitoring to supply voltage
And Manual reset operation.
By the jtag interface of JTAG debugging modules 108, boundary scan and failure can be carried out to the hardware circuit of CPU module
Detection, realizes on-line debugging.Flash download functions are supported simultaneously.
LCD display module 109 belongs to man-machine interface part, the information such as time for externally showing calibrating instrument timing.CPU
Inside modules include LCD controller, can support the LCD liquid crystal displays of the models such as STN, TFT.Can be by LCD letter
Number guide on a pluggable base, facilitate LCD insertions to use.
Buzzer 110 can be set in standard time interval operation device, for sending different frequency sound to point out
Calibrating instrument timing is completed.
It after the completion of Stopwatch Calibration system design, universal counter PM6681 can be used to carry out test checking to it, measure
When the time interval for the positive pulse signal twice that standard time interval operation device is produced, timing to contrast Stopwatch Calibration system
Between.
It is described above each embodiment of the present utility model, described above is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes will be apparent from for those skilled in the art.The choosing of term used herein
Select, it is intended to best explain the principle, practical application or the improvement to the technology in market of each embodiment, or lead this technology
Other those of ordinary skill in domain are understood that each embodiment disclosed herein.
Claims (8)
1. a kind of Stopwatch Calibration system controlled based on network remote, it is characterised in that the system includes:
Standard time interval operation device, the standard time interval operation device includes:CPU module and connected electricity
Source module, clock module, memory module and ethernet module, the clock module includes cpu system clock and timer is joined
Examine clock;
Mechanical actuating unit, the mechanical actuating unit includes set of electromagnet, trip rod, fixture, and the fixture clamping is treated
Stopwatch is surveyed, the electric impulse signal that the break-make of the electromagnet is produced by the standard time interval operation device is controlled, the electricity
Magnet promotes the button of trip rod impact stopwatch to be started and stopped;
Remote control, the standard time interval operation device passes through ethernet module and the remote control network
Connection.
2. the Stopwatch Calibration system according to claim 1 controlled based on network remote, it is characterised in that during the standard
Between interval operation device also include the SMS module that is connected with the CPU module.
3. the Stopwatch Calibration system according to claim 1 controlled based on network remote, it is characterised in that during the standard
Between interval operation device also include the reseting module that is connected with the CPU module.
4. the Stopwatch Calibration system according to claim 1 controlled based on network remote, it is characterised in that during the standard
Between interval operation device also include the JTAG debugging modules that are connected with the CPU module.
5. the Stopwatch Calibration system according to claim 1 controlled based on network remote, it is characterised in that during the standard
Between interval operation device also include the LCD display module that is connected with the CPU module.
6. the Stopwatch Calibration system according to claim 1 controlled based on network remote, it is characterised in that during the standard
Between interval operation device also include the buzzer that is connected with the CPU module.
7. the Stopwatch Calibration system according to claim 1 controlled based on network remote, it is characterised in that the long-range control
Device processed is PC.
8. the Stopwatch Calibration system according to claim 1 controlled based on network remote, it is characterised in that the machinery is held
Luggage is put including 4 sets of electromagnet, trip rod, fixtures.
Priority Applications (1)
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CN201720197939.0U CN206602548U (en) | 2017-03-02 | 2017-03-02 | The Stopwatch Calibration system controlled based on network remote |
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CN201720197939.0U CN206602548U (en) | 2017-03-02 | 2017-03-02 | The Stopwatch Calibration system controlled based on network remote |
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CN201720197939.0U Expired - Fee Related CN206602548U (en) | 2017-03-02 | 2017-03-02 | The Stopwatch Calibration system controlled based on network remote |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111221237A (en) * | 2017-05-29 | 2020-06-02 | 斯沃奇集团研究及开发有限公司 | Universal watch winding and time setting device |
US11650546B2 (en) | 2018-05-21 | 2023-05-16 | The Swatch Group Research And Develonment Ltd | Universal watch winding and time-setting device |
-
2017
- 2017-03-02 CN CN201720197939.0U patent/CN206602548U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111221237A (en) * | 2017-05-29 | 2020-06-02 | 斯沃奇集团研究及开发有限公司 | Universal watch winding and time setting device |
CN111221237B (en) * | 2017-05-29 | 2021-08-24 | 斯沃奇集团研究及开发有限公司 | Universal watch winding and time setting device |
US11650546B2 (en) | 2018-05-21 | 2023-05-16 | The Swatch Group Research And Develonment Ltd | Universal watch winding and time-setting device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20180302 |
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CF01 | Termination of patent right due to non-payment of annual fee |