CN102278944B - Equipment shift monitoring and alarm device - Google Patents
Equipment shift monitoring and alarm device Download PDFInfo
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- CN102278944B CN102278944B CN2011101549648A CN201110154964A CN102278944B CN 102278944 B CN102278944 B CN 102278944B CN 2011101549648 A CN2011101549648 A CN 2011101549648A CN 201110154964 A CN201110154964 A CN 201110154964A CN 102278944 B CN102278944 B CN 102278944B
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Abstract
The invention discloses an equipment shift monitoring and alarm device. The device comprises: a shift detection unit, a vehicle monitoring terminal and a ground monitoring terminal. The shift detection unit and the vehicle monitoring terminal carry out data transmission through a wireless mode. The vehicle monitoring terminal and the ground monitoring terminal carry out the data transmission through the wireless mode. The shift detection unit comprises a laser emission head, a shift detection module, a wireless data transmission module and an external antenna. The shift detection module is formed by a photosensitive diode matrix plate, a master control circuit board and a shift wireless data transmission module, wherein the photosensitive diode matrix plate, the master control circuit board and the shift wireless data transmission module are successively connected and arranged in a shell. The vehicle monitoring terminal comprises a PDA host and a terminal wireless data transmission module. A CDMA module and an SIM card are embedded in the PDA host. The ground monitoring terminal comprises a computer which is equipped with a short message receiving module and monitoring software. By using the invention, generation of railway transport accidents can be avoided; equipment transport safety can be guaranteed; economic losses caused by the accidents can be reduced; monitoring capability of escorts can be raised; labor intensity can be reduced.
Description
Technical field
The present invention relates to electric panalarm field, in particular, relate to be used in the articulated car transport heavy equipment process monitoring equipment displacement, when it surpasses limit value, can send the device of alerting signal.
Background technology
Vibration in the railway transport course, impact and turning process if the binding reinforcement measure is perfect not, firm, tend to cause the displacement of heavy equipment, affect traffic safety, also can cause the accident when serious, jeopardize the safety of rail facility and equipment.There is the device of measuring the wheel unbalance loading in the railway system at present, and the device of limit, road camera monitoring transportation object space all belongs to fixed location static monitoring techniques mode; The safety problem of equipment transportation mainly leans on escort personnel to check to find in the stop, and these measures all can't in time find to equip the problem that occurs in transit.Therefore, the device that also heavy equipment transportation change in location is not carried out dynamic monitoring and warning at present.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the deficiencies in the prior art, and a kind of device that heavy equipment transportation change in location is carried out dynamic monitoring and warning is provided.
The present invention equips displacement monitoring and warning device, be achieved by following technical proposals, described device is comprised of displacement detection unit, vehicle monitor terminal and ground monitoring terminal three parts, displacement detection unit and vehicle monitor terminal are by wireless way for transmitting data, and vehicle monitor terminal and ground monitoring terminal are passed through wireless way for transmitting data;
Described displacement detection unit is comprised of laser beam emitting head, displacement detection module, wireless data transfer module and external antenna, the displacement detection module is comprised of the photodiode matrix photographic plate, main control board and the displacement wireless data transfer module that connect successively that are arranged in the housing, and main control board connects respectively laser beam emitting head and lithium battery group;
Described vehicle monitor terminal is comprised of PDA main frame and terminal wireless data transmission module; The embedded CDMA module of PDA main frame and SIM card;
Described ground monitoring terminal forms for computing machine and the monitoring software that the note receiver module is installed.
Equipment displacement monitoring and warning device are to preventing the generation of transportation by railroad accident, and assurance equipment transportation safety protects rail facility to be without prejudice, the economic loss that the minimizing accident causes, and the monitoring capability and the reduction labour intensity that improve escort personnel have vital role; Stolen to preventing from equipping simultaneously, guarantee the special equipment transportation safety, eliminate the potential safety hazard effect that jeopardizes social stability huge, economic and political remarkable benefit has a extensive future.
Description of drawings
Fig. 1 principle of the invention block diagram;
Fig. 2 displacement detection unit composition frame chart;
Fig. 3 displacement detection cellular construction schematic diagram;
Fig. 4 main control board theory diagram;
Fig. 5 Laser emission assembly assumption diagram;
Fig. 6 vehicle monitor terminal functional block diagram;
Fig. 7 is application software framework process flow diagram.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
As shown in Figure 1, described device is comprised of displacement detection unit, vehicle monitor terminal and ground monitoring terminal three parts, displacement detection unit and vehicle monitor terminal are by wireless way for transmitting data, and vehicle monitor terminal and ground monitoring terminal are passed through wireless way for transmitting data;
Described displacement detection unit is comprised of laser beam emitting head, displacement detection module, wireless data transfer module and external antenna, the displacement detection module is comprised of the photodiode matrix photographic plate, main control board and the displacement wireless data transfer module that connect successively that are arranged in the housing, and main control board connects respectively laser beam emitting head and lithium battery group;
Described vehicle monitor terminal is comprised of the PDA main frame and the terminal wireless data transmission module that connect successively; The embedded CDMA module of PDA main frame and SIM card;
Described ground monitoring terminal is for installing computing machine and the monitoring software of note receiver module.
Principle of work of the present invention is as follows:
When equipment carries out transportation by railroad, 1～2 cover " displacement detection unit " is installed under the heavy equipment of every joint flatcar, the train of permutation transport heavy equipment is provided with a cover " vehicle monitor terminal ", and ground transport organization department is furnished with a cover " ground monitoring terminal ".Laser head is installed on the tested equipment, the displacement detection cellular installation is on articulated car, the laser beam vertical irradiation of laser head emission is on the photosensitive matrix plate of displacement detection unit, change calculations by detection laser hot spot position on the photosensitive matrix plate goes out to be equipped in the displacement numerical value on the flatcar, by wireless data transmission module this displacement numerical value is transferred to vehicle monitor terminal, when transfiniting, sends displacement numerical value alerting signal, escort personnel is processed warning message by the person on duty of vehicle monitor terminal with note or voice mode notice ground monitoring end.The principle of work of system such as a mistake! Do not find Reference source.Shown in.
Each ingredient of the present invention is done detailed theory.
1, displacement detection unit
1) function of displacement detection unit
The displacement detection cellular installation is on the articulated car floor below the heavy equipment, every equipment is installed 1 cover to 2 cover displacement detection unit, Real-Time Monitoring is carried out in the displacement that is equipped in transportation for counterweight, when surpassing the displacement limit value warning message is sent to vehicle monitor terminal by wireless data transmission network.
2) composition of displacement detection unit
The functional module of displacement detection unit mainly contains laser beam emitting head, displacement detection module, data transmission module and external antenna etc. and partly forms, as shown in Figure 2.
3) structure of displacement detection unit
Take spot diameter as φ 3.5mm, wavelength is that the laser beam emitting head of 650nm is light source, and LED photodiode matrix plate is as displacement detecting sensor.As shown in Figure 3, a displacement detection unit is comprised of displacement detection module 1, laser beam emitting head 2, external antenna 3.
During work, the displacement detection module is fixed on the base plate in compartment, and laser beam emitting head is fixed on the bottom of tested heavy equipment, directly over the displacement detection module.The laser that laser beam emitting head sends produces the initial point electric signal at horizontal and vertical LED photodiode matrix grid surface.When the heavy equipment occurrence positions moves, the laser beam emitting head that is fixed on the heavy equipment also changes with respect to the position of grid thereupon, make laser beam irradiation to different grids, single-chip microcomputer in the displacement detection module goes out the displacement of heavy equipment according to the trellis signal change calculations that detects, be sent to vehicle monitor terminal by wireless data transmission module.
4) displacement detection module
The displacement detection module partly is comprised of photodiode matrix plate (hereinafter to be referred as photographic plate), main control board, lithium battery group, wireless data transmission module, shell etc.
(1) photographic plate
The Main Function of photodiode matrix type photographic plate is that the light signal that will come from laser head is converted into the electric signal that main control board can be identified.
Photographic plate is designed to 26 * 21 photodiode dot matrix grid, and each photodiode is a node of grid, grid distance 10mm.Matrix grid 26 capable signals and 21 column signals of forming in parallel.The displacement measurement range is vertically ± 125mm, laterally ± 100mm.Adopt interpolation algorithm, displacement measurement resolution 5mm.
(2) main control board
In order to improve the anti-smooth interference performance of displacement detection module, main control board control laser head produces the laser pulse of 400Hz frequency, can from complex background light, filter out this laser pulse signal by receiving the integer filtering circuit, thereby effectively restrain the light interference, improve signal to noise ratio (S/N ratio).In order to reduce power consumption, circuit board is all selected the low-power consumption components and parts; Designed the discontinuous operation pattern, be at ordinary times dormant state, timing wake-up is communicated by letter with vehicle monitor terminal, and these measures can be saved electric energy, prolongs the continuous working period of displacement detection unit.
The diameter of laser facula is adjusted to about 10mm, thereby guaranteed can shine at least a photodiode, the photodiode matrix is being produced regular electric signal by the corresponding line of Ear Mucosa Treated by He Ne Laser Irradiation with listing.The program of main control board scans 26 capable signals, gets the mean value of line number that minimum has a signal and the maximum line number that signal arranged as the row-coordinate value; 21 column signals are scanned, get the mean value of row that minimum has signal and the maximum row that signal arranged as the row coordinate figure.Row-coordinate value and row coordinate figure are vertically and horizontal current coordinate figure, by arriving shift amount with the relatively calculating of initial point, the spacing (10mm) of shift amount and grid multiplied each other can obtain testee vertically and horizontal actual shift value, and this value is saved in the governor circuit board memory as up-to-date shift amount.For example, the calculating of row displacement can be expressed as:
In the formula: r
mThe maximum column coordinate figure, r
nMinimum row coordinate figure, r
0Be former point range coordinate figure, c is mesh spacing.The result is the negative indication left dislocation, for just representing right displacement.
When vehicle monitor terminal inquired this displacement detection unit, this unit sent up-to-date shift amount to vehicle monitor terminal.The theory diagram of main control board as shown in Figure 4.Wherein the RS-232 serial ports connects the displacement wireless data transfer module.
(3) electric battery
Electric battery is composed in parallel by two 4Ah/3.6V low temperature lithium batteries.Mainly provide power supply to displacement detection module and laser beam emitting head, its performance parameter is as shown in table 1.
Table 1 electric battery Specifeca tion speeification table
| Battery capacity | Rated voltage | Serviceable life | Cycle life |
| 8Ah | 3.6V | 3-5 | 500 times |
(4) wireless data transfer module
Wireless data transfer module is used for the shifted data transmission between displacement detection unit and the vehicle monitor terminal.
Wireless data transfer module adopts ISM band, and carrier frequency 433MHz, maximum transmission power are 100mW.In the sighting distance situation, during greater than 2m, transmission range can reach 1000m to the antenna placement location apart from module, and the bit error rate is 10
-3
Wireless data transfer module adopts the RS-232 serial ports to be connected with displacement detection unit or vehicle monitor terminal, and data transmission bauds is 1200bps.
5) Laser emission assembly
The Laser emission assembly is comprised of laser head sleeve 21, fastening bolt 22, bracing frame 33, strong magnets 24, connecting line 25 etc. as shown in Figure 5.
Laser head sleeve and bracing frame adopt articulated manner, and laser head can be adjusted in the scope of front and back 230 degree.Base is used for being adsorbed onto on the testee with strong magnets.Critical part adopts aluminum alloy materials mostly, with weight reduction.The Laser emission assembly is fixed on the tested equipment, consider that tested equipment mostly is ferrous material, adopt the mode of utilizing powerful magnet for adsorption to fix, be convenient to the position of install and adjust Laser emission assembly, make laser can accurately be radiated at the photographic plate center of displacement detection module.
6) external antenna
The external antenna bottom design has strong magnets, selects light material, can be fixed on the higher position of tested equipment to antenna easily, avoids being blocked in the signals transmission.
2, vehicle monitor terminal
1) vehicle monitor terminal major function
Vehicle monitor terminal is in charge of and is operated by heavy equipment transportation supercargo, generally is placed on the supercargo and escorts in compartment or a certain heavy equipment.When vehicle monitor terminal receives by transfiniting during displacement data that the displacement detection unit sends, will automatically produce alarm.The supercargo can carry out status poll to warning message by vehicle monitor terminal.Under supercargo's operation, vehicle monitor terminal can send to warning message the ground monitoring terminal.The function of vehicle monitor terminal as shown in Figure 6.
2) vehicle monitor terminal forms
Vehicle monitor terminal is comprised of hardware and software two parts.
(1) vehicle monitor terminal hardware
Hardware is comprised of PDA main frame, terminal wireless data transmission module, antenna and external power supply module etc.The embedded CDMA module of PDA main frame and SIM card, mode and ground based terminal by C net SMS or voice communicate.The terminal wireless data transmission module is integrated in the PDA host housing, and exchange data using serial communication mode directly is connected with the PDA motherboard with serial interface cable; Antennal interface is fixed on the PDA host housing, and can take over the baton shape antenna or external whip antenna are realized the shifted data wireless transmission between vehicle monitor terminal and the displacement detection unit; The external power supply module is designed to lithium battery group form, is the vehicle monitor terminal power supply in the driving way.
The PDA main frame is used for shifted data processing, system parameter setting, warning message output, voice call, short message receiving-transmitting.The design of PDA main frame has absorbed the advantage of similar products at home and abroad, meets base of principle of human engineering, can realize the one-hand data acquisition operations; Less volume is more suitable for using in small space.Its principal feature is: support the CDMA/GSM communication; Utilize USB interface, can with the quick swap data of computing machine.
(2) vehicle monitor terminal software
Software is comprised of Windows CE operating system and vehicle monitor terminal application software two parts.The vehicle monitor terminal application software with WinCE embedded OS+embedded VC 4.0 compilers as development platform.The tupe that adopts the function application layer to separate with the communication drivers layer, this software architecture pattern is conducive to replacing, the Function Extension of communication interface.Application software has that settings of compartment numbering, the setting of warning gauge, many shift detectors are patrolled and examined, the functions such as the displacement situation is browsed, call, short message receiving-transmitting, has realized being shifted the collection of information and the transmission of warning message.The application software framework as shown in Figure 7.
Claims (1)
1. equip displacement monitoring and warning device for one kind, it is characterized in that, described device is comprised of displacement detection unit, vehicle monitor terminal and ground monitoring terminal three parts, displacement detection unit and vehicle monitor terminal are by wireless way for transmitting data, and vehicle monitor terminal and ground monitoring terminal are passed through wireless way for transmitting data;
Described displacement detection unit is comprised of laser beam emitting head, displacement detection module, wireless data transfer module and external antenna, the displacement detection module is comprised of the photodiode matrix photographic plate, main control board and the displacement wireless data transfer module that connect successively that are arranged in the housing, and main control board connects respectively laser beam emitting head and lithium battery group; Laser beam emitting head is installed on the tested equipment, and the displacement detection cellular installation is on articulated car;
Described vehicle monitor terminal is comprised of PDA main frame and terminal wireless data transmission module; The embedded CDMA module of PDA main frame and SIM card;
Described ground monitoring terminal forms for computing machine and the monitoring software that the note receiver module is installed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101549648A CN102278944B (en) | 2011-06-10 | 2011-06-10 | Equipment shift monitoring and alarm device |
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| CN2011101549648A CN102278944B (en) | 2011-06-10 | 2011-06-10 | Equipment shift monitoring and alarm device |
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| CN102278944B true CN102278944B (en) | 2013-01-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104976956A (en) * | 2015-04-10 | 2015-10-14 | 李跃伟 | Displacement sensor based on photosensitive array |
| CN112504129B (en) * | 2020-10-30 | 2022-08-12 | 北京全路通信信号研究设计院集团有限公司 | Non-contact multi-rail crawling displacement monitoring method and monitoring system based on laser detection |
| CN113175914B (en) * | 2021-03-19 | 2022-08-19 | 武汉二航路桥特种工程有限责任公司 | Method for monitoring walking synchronism among vehicle-mounted equipment units |
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| CN101762235A (en) * | 2009-11-17 | 2010-06-30 | 陈植华 | Landslide displacement monitoring and prewarning system |
| CN201689541U (en) * | 2010-05-12 | 2010-12-29 | 中南林业科技大学 | Data acquisition terminal for high speed railway safety monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0961122A (en) * | 1995-08-23 | 1997-03-07 | Oki Electric Ind Co Ltd | Package displacement detection device |
| JP2001289614A (en) * | 2000-01-31 | 2001-10-19 | Omron Corp | Displacement sensor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762235A (en) * | 2009-11-17 | 2010-06-30 | 陈植华 | Landslide displacement monitoring and prewarning system |
| CN201689541U (en) * | 2010-05-12 | 2010-12-29 | 中南林业科技大学 | Data acquisition terminal for high speed railway safety monitoring system |
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| Title |
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| JP特开平9-61122A 1997.03.07 |
| Yusuke Oike,et al.A 120×110 Position Sensor With the Capability of Sensitive and Selective Light Detection in Wide Dynamic Range for Robust Active Range Finding.《IEEE JOURNAL OF SOLID-STATE CIRCUITS》.2004,第39卷(第1期),246-251. * |
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