CN102094397A - Intelligent transportation terminal - Google Patents
Intelligent transportation terminal Download PDFInfo
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- CN102094397A CN102094397A CN201110008327XA CN201110008327A CN102094397A CN 102094397 A CN102094397 A CN 102094397A CN 201110008327X A CN201110008327X A CN 201110008327XA CN 201110008327 A CN201110008327 A CN 201110008327A CN 102094397 A CN102094397 A CN 102094397A
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Abstract
The invention relates to an intelligent transportation terminal which is suitable for working in remote road sections being far away from a command center. The intelligent transportation terminal mainly comprises a microprocessor module, a GSM (global system for mobile communication) module, a power supply management module, a magnetic-electric display module and a road condition monitoring sensor module. Information from the transportation command center is received through the GSM communication technology, the information of on-site road conditions is collected and submitted to the command center, and the magnetic-electric display module is adopted for displaying speed restriction information; and the power consumption of the magnetic-electric display module is very low, a solar energy or wind energy power supply system is further managed through the power supply management module, and the intelligent transportation terminal is applicable to monitoring the road conditions which are far away from the command center and prompting speed restriction for passing vehicles, and being an intelligent terminal for modern transportation management.
Description
Technical field
The present invention relates to a kind of Modern Traffic management terminal device, specifically is a kind of intelligent transportation terminal.
Background technology
The speed(-)limit sign that existing highway uses is fixed mostly; The speed limit of this speed(-)limit sign can not change as required and arbitrarily, can not bring into play due effect in case run into special weather.If use more popular LED display at present, the weak point of existence has: one, and LED often causes content displayed not see Chu when sunlight is strong or over against sunlight the time; Two, the LED display power consumption is higher, uses uneconomically, even if adopt solar energy or wind energy power supply, can not guarantee lasting work.
Therefore, how to provide a kind of power consumption less, can be according to actual conditions and the variable speed-limit value is fit to be operated in the remote highway section away from command centre simultaneously, be the technical problem that this area will solve.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of simple in structure, power consumption is less, can be according to actual conditions and the intelligent transportation terminal of variable speed-limit value.
In order to solve the problems of the technologies described above, the invention provides a kind of intelligent transportation terminal, it comprises: a variable speed-limit sign module, this variable speed-limit sign module comprises: substrate 8, transversely arranged three characters on substrate 8 in the left and right sides, the left side character constitutes " 1 " font by at least one action field, intermediate character constitutes the figure of eight by seven action field, and the right side character is red digital " 0 "; Described action field 3 comprises: be located at fixed axis 4 on the described substrate 8, be vertical at iron core 2 on this fixed axis 4, be located at coil 3, bearing on the iron core 2 and be connected in the tube-like envelope 5 at fixed axis 4 two ends and be fixed in shell 5 inwalls and be located at the permanent-magnetic clamp 1 of iron core 2 peripheries by holder 7; One semicircle lateral surface of shell 5 is provided with white reflection layer B, and another semicircle lateral surface is provided with red reflector layer R; This intelligent transportation terminal also comprises the field drive circuit that links to each other with coil 3 in the described action field 3, the CPU element that links to each other with this field drive circuit, the gsm module that links to each other with this CPU element.
Further, the magnetic pole at the center, inside and outside semicircle side of the permanent-magnetic clamp 1 in the described action field 3 is opposite, when described coil 3 cuts off the power supply, the center of the inside and outside semicircle side of permanent-magnetic clamp 1 respectively with the two ends of iron core 2 because of magnetic attraction toward each other, and the white of the shell 5 of this action field 3 or red reflector layer are toward the outer side; When CPU element through described field drive circuit control described coil 3 electric and produce magnetic pole at the two ends of described iron core 2, if the magnetic pole at the semicircle center, medial and lateral of permanent-magnetic clamp 1 is identical with the magnetic pole at the two ends of described iron core 2, then shell 5 is with described permanent-magnetic clamp 1 Rotate 180 °, so that the white on this shell 5, red reflector layer exchange towards, control described coil 3 outages then.
Further, as the white reflection layer B of the shell 5 of each action field in the control described left side character toward the outer side the time, this left side character does not show; As the red reflector layer R of the shell 5 of each action field in the control described left side character toward the outer side the time, this left side character shows digital " 1 ".
Further, described CPU element through described field drive circuit control respectively the white of shell 5 of each action field in the described intermediate character or red reflector layer towards, to show corresponding digital.
Further, described fixed axis 4 is a hollow section, and the supply terminals of described coil 3 is drawn from the end of this hollow section and extended described holder 7, links to each other with described field drive circuit then.
Further, described CPU element is through described gsm module receiving remote control command, and controls described left side character and intermediate character shows corresponding digital according to this remote control command through described field drive circuit.
Further, described CPU element is connected with the humidity that is used to detect on the road surface and the road conditions monitoring sensor module of temperature; When recording the road surface when covering water, control described left side character and intermediate character and show lower numeral; When recording the road surface drying but temperature when being higher than 50 ℃ control described left side character and intermediate character and show lower numeral.
Further, described CPU element is connected with the road conditions monitoring sensor module of the visibility that is used to detect on the road surface; Low visibility on recording the road surface is controlled described left side character and intermediate character and is shown lower numeral when first setting value.
Technique scheme of the present invention has the following advantages compared to existing technology: (1) intelligent transportation terminal of the present invention is made of CPU element, gsm module, power supply administration module, variable speed-limit sign module, road conditions monitoring sensor module, the present invention is by the information of gsm module reception from traffic control center, the collection site traffic information is submitted command centre to, adopts the variable speed-limit sign module to show speed-limiting messages; This variable speed-limit sign module is a magneto-electric, and power consumption is very low, again by power management module management solar energy or wind energy electric power system, be applicable to away from the road conditions supervision of command centre and the speed limit prompting of vehicular traffic, and be the intelligent terminal of Modern Traffic management.(2) variable speed-limit sign module of the present invention utilizes magnetoelectricity principle control field to show, self power consumption is low, is adapted at open-air solar energy or the wind energy permanent supply of using; Under available light, clear display is not afraid of high light, and the demonstration at night shows posts reflective membrane, and under the auto lamp reflection of light, clear display is particularly suitable for doing the speed(-)limit sign on the highway; Inner microprocessor technology managing electrical power and the screen display of adopting used the GSM technology simultaneously, and be long-range by SMS control and feedback speed limit; The magnetoelectricity control structure has the low characteristics of power consumption, only has electric current to flow through in the coil when rotated, other not power consumption substantially constantly, and the handling characteristics of very suitable highway speed(-)limit sign in remote place, is powered for a long time by solar energy or wind energy.(3) the present invention is by the information of gsm communication technology reception from traffic control center, the collection site traffic information is submitted command centre to, by power management module management solar energy or wind energy electric power system, being applicable to away from the road conditions supervision of command centre and the speed limit prompting of vehicular traffic, is the intelligent terminal of Modern Traffic management.Operating principle: described CPU element is through described gsm module receiving remote control command, and carries out the corresponding numeral of order that on-site data gathering and display and control center send according to this remote control command.CPU element is connected with the humidity that is used to detect on the road surface and the road conditions monitoring sensor module of temperature; To record the road surface covers water and records pavement temperature and deliver to command centre with gsm module, control centre obtains related command according to relevant expert system process analysis and is sent to intelligent terminal, terminal can be changed speed limit and point out vehicular traffic with tangible marking signal in respective handling.Described CPU element is connected with the road conditions monitoring sensor module of the visibility that is used to detect on the road surface; Low visibility on recording the road surface is when first setting value, and the control speed(-)limit sign shows lower velocity amplitude, and data is delivered to command centre handle.CPU element is connected with and is used for the inspection vehicle flow module; When recording the road surface vehicle flowrate, adjust speed limit and information automatically, and information is sent to control centre greater than first setting value.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the control system of the intelligent transportation terminal among the embodiment;
Fig. 2 is the cross-sectional view of the action field in the variable speed-limit sign module among the embodiment;
Fig. 3 is the cross-sectional view of described action field;
Fig. 4 is the part section structural representation of the other direction of described action field;
Fig. 5 is the circuit diagram of the coil on the iron core in the described action field;
Fig. 6 is the structural representation of the control system of another intelligent transportation terminal among the embodiment.
The specific embodiment
See Fig. 1-5, the intelligent transportation terminal of present embodiment, it comprises: a variable speed-limit sign module, this variable speed-limit sign module comprises: substrate 8, transversely arranged three characters on substrate 8 in the left and right sides, the left side character constitutes " 1 " font by two action field, intermediate character constitutes the figure of eight by seven action field, and the right side character is fixing red digital " 0 ".
This intelligent transportation terminal also comprises the field drive circuit that links to each other with coil 3 in the described action field 3, the CPU element that links to each other with this field drive circuit, the gsm module that links to each other with this CPU element.
Described fixed axis 4 is a hollow section, and the supply terminals of described coil 3 is drawn from the end of this hollow section and extended described holder 7, links to each other with described field drive circuit then.
The magnetic pole at the center, inside and outside semicircle side of the permanent-magnetic clamp 1 in the described action field 3 is opposite, when coil 3 outages, the center of the inside and outside semicircle side of permanent-magnetic clamp 1 respectively with the two ends of iron core 2 because of magnetic attraction toward each other, and at this moment, the white of the shell 5 of described action field 3 or red reflector layer are toward the outer side; When CPU element through described field drive circuit control described coil 3 electric and produce magnetic pole at the two ends of described iron core 2, if the magnetic pole at the semicircle center, medial and lateral of permanent-magnetic clamp 1 is identical with the magnetic pole at the two ends of described iron core 2, then shell 5 is with described permanent-magnetic clamp 1 Rotate 180 °, thereby make the white on this shell 5, red reflector layer exchange towards, control described coil 3 outages then.
As the white reflection layer B of the shell 5 of each action field in the control described left side character toward the outer side the time, this left side character does not show; As the red reflector layer R of the shell 5 of each action field in the control described left side character toward the outer side the time, this left side character shows digital " 1 ".The speed limit of considering the speed(-)limit sign on the actual highway can not be greater than 200, and therefore, the left side character only need be in and show numeral 1 or show state not.Promptly the left side character only needs to show digital 1 at speed limit more than or equal to 100 o'clock.
Described CPU element through described field drive circuit control respectively the white of the shell 5 of each action field in the described intermediate character, red reflector layer towards, to show corresponding digital, described intermediate character is suitable for showing arbitrary individual digit.
Described CPU element is through described gsm module receiving remote control command, and controls described left side character and intermediate character shows corresponding digital according to this remote control command through described field drive circuit.For example: when the speed limit of needs demonstration is 100, only need control left side character demonstration numeral 1, intermediate character shows that numeral 0 gets final product.According to the use habit of speed(-)limit sign, units is always 0.
Described CPU element is connected with road conditions monitoring sensor module, and this road conditions monitoring sensor module comprises the humidity that is used to detect on the road surface and the sensor of temperature; When recording the road surface when covering water, control described left side character and intermediate character and show lower numeral; For example: the normal speed limit in this highway section is 120 o'clock, if water is covered on the road surface, then controls described left side character and intermediate character and shows numeral 1 and 0 respectively, speed limit is reduced to 100 that is:, with the low traffic risk of bringing because of the road surface is wet and slippery.When recording the road surface when covering water and temperature and being lower than 0 ℃, then speed limit is reduced to 20, even 0, the traffic accident that cause to prevent icy on road.Concrete speed limit can draw by test.
When recording the road surface drying but temperature when being higher than 50 ℃ (concrete temperature value can draw by test) control described left side character and intermediate character and show lower numeral, the vehicle that causes the to prevent road surface high temperature accident of blowing out.
The humidity value that water and road surface drying are covered in described road surface is suitable for drawing by actual tests.For example: the normal speed limit in this highway section is 100 o'clock, if road surface drying but temperature is higher than 50 ℃ is then controlled described left side character and do not shown, controls described intermediate character and shows numeral 8, speed limit is reduced to 80 that is:.
Described road conditions monitoring sensor module also comprises the visibility sensor that is used to detect the visibility on the road surface; When CPU element records low visibility on the road surface in first when setting value by this visibility sensor, control described left side character and intermediate character and show lower numeral.Low visibility on recording the road surface further reduces the numeral that described left side character and intermediate character show when the 3rd setting value.For example: the normal speed limit in this highway section is 100 o'clock, if the low visibility on the road surface then reduces to 60 with speed limit in 400 meters.If the low visibility on the road surface then reduces to 40 with speed limit in 300 meters.Concrete being suitable for guarantees that the parameter of driving safety can draw by test.Visibility sensor comprises: video camera and the digital board of being located at these 10 meters, video camera the place ahead; CPU element obtains the photo of this numeral board by video camera, and draws corresponding visibility by the definition of analyzing this photo.
See Fig. 5, the field drive circuit comprises positive and negative 6V dc source and relay K 1 and K2; When K2 closure (K1 disconnection), electric current flows from right to left, and upside at this moment unshakable in one's determination is the S utmost point, and downside is the N utmost point; After field is finished renewal, K1, K2 disconnects, and does not have electric current to flow through in the coil, and this is the existence because of permanent magnet, and field can freely not rotated.The above course of work as can be seen, the magnetoelectricity control structure has the low characteristics of power consumption, only has electric current to flow through in the coil when rotated, other not power consumption substantially constantly, be fit to very much the handling characteristics of highway speed(-)limit sign,, power for a long time by solar energy or wind energy in remote place.
See Fig. 6, embodiment as further optimization, described CPU element is connected with camera system, this camera system is taken the numeral of the current demonstration of this variable speed-limit sign module, then by CPU element control described gsm module with this camera system take picture be sent to remote monitoring center so that the state of the current variable speed-limit sign of remote monitoring center monitoring.When finding that it breaks down, be convenient in time safeguard.
As the embodiment of further optimization, described CPU element is suitable for obtaining traffic density on the road surface by camera system, and the traffic density on recording current road surface is controlled described left side character and intermediate character and shown lower numeral during greater than second setting value.For example: in 100 meters visible highway section, the vehicle number that passes through in 1 minute surpasses at 30 o'clock, then controls the low 10-20% of speed limit.Concrete parameter can draw by actual survey or test.
Adopt solar cell and/or wind-driven generator to charge a battery, this battery is given power supplies such as CPU element, gsm module, field drive circuit, camera system, road conditions monitoring sensor module.
Obviously, the foregoing description only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (8)
1. intelligent transportation terminal, it is characterized in that comprising: a variable speed-limit sign module, this variable speed-limit sign module comprises: substrate (8), transversely arranged three characters on substrate (8) in the left and right sides, the left side character constitutes " 1 " font by at least one action field, intermediate character constitutes the figure of eight by seven action field, and the right side character is red digital " 0 ";
Described action field (3) comprising: be located at fixed axis (4) on the described substrate (8), be vertical at iron core (2) on this fixed axis (4), be located at coil (3), bearing on the iron core (2) and be connected in the tube-like envelope (5) at fixed axis (4) two ends and be fixed in shell (5) inwall and be located at the permanent-magnetic clamp (1) of iron core (2) periphery by holder (7); One semicircle lateral surface of shell (5) is provided with white reflection layer (B), and another semicircle lateral surface is provided with red reflector layer (R);
This intelligent transportation terminal also comprises the field drive circuit that links to each other with coil (3) in the described action field (3), the CPU element that links to each other with this field drive circuit, the gsm module that links to each other with this CPU element.
2. intelligent transportation terminal according to claim 1, it is characterized in that: the magnetic pole at the center, inside and outside semicircle side of the permanent-magnetic clamp (1) in the described action field (3) is opposite, when described coil (3) cuts off the power supply, the center of the inside and outside semicircle side of permanent-magnetic clamp (1) respectively with the two ends of iron core (2) because of magnetic attraction toward each other, and the white of the shell (5) of this action field (3) or red reflector layer are toward the outer side;
When CPU element through described field drive circuit control described coil (3) electric and produce magnetic pole at the two ends of described iron core (2), if the magnetic pole at the semicircle center, medial and lateral of permanent-magnetic clamp (1) is identical with the magnetic pole at the two ends of described iron core (2), then shell (5) is with described permanent-magnetic clamp (1) Rotate 180 °, so that the white on this shell (5), red reflector layer exchange towards, control described coil (3) outage then.
3. intelligent transportation terminal according to claim 2 is characterized in that: when the white reflection layer (B) of the shell (5) of each action field in the control described left side character toward the outer side the time, this left side character does not show; When the red reflector layer (R) of the shell (5) of each action field in the control described left side character toward the outer side the time, this left side character shows digital " 1 ".
4. intelligent transportation terminal according to claim 3, it is characterized in that: described CPU element through described field drive circuit control respectively the white of shell (5) of each action field in the described intermediate character or red reflector layer towards, to show corresponding digital.
5. intelligent transportation terminal according to claim 2, it is characterized in that: described fixed axis (4) is a hollow section, the supply terminals of described coil (3) is drawn from the end of this hollow section and is extended described holder (7), links to each other with described field drive circuit then.
6. according to claim 4 or 5 described intelligent transportation terminals, it is characterized in that: described CPU element is through described gsm module receiving remote control command, and controls described left side character and intermediate character shows corresponding digital according to this remote control command through described field drive circuit.
7. intelligent transportation terminal according to claim 6 is characterized in that: described CPU element is connected with the humidity that is used to detect on the road surface and the road conditions monitoring sensor module of temperature;
When recording the road surface when covering water, control described left side character and intermediate character and show lower numeral;
When recording the road surface drying but temperature when being higher than 50 ℃ control described left side character and intermediate character and show lower numeral.
8. intelligent transportation terminal according to claim 6 is characterized in that: described CPU element is connected with the road conditions monitoring sensor module of the visibility that is used to detect on the road surface;
Low visibility on recording the road surface is controlled described left side character and intermediate character and is shown lower numeral when first setting value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110008327XA CN102094397A (en) | 2011-01-14 | 2011-01-14 | Intelligent transportation terminal |
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| CN201110008327XA CN102094397A (en) | 2011-01-14 | 2011-01-14 | Intelligent transportation terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114532A (en) * | 2013-01-11 | 2013-05-22 | 宁海县清华电器有限公司 | Safety facility device used for real-time warning of icing on highway pavement |
| CN103988239A (en) * | 2012-03-15 | 2014-08-13 | 株式会社小松制作所 | Mine machine operation administration system and mine machine operation administration method |
| CN107146434A (en) * | 2017-06-30 | 2017-09-08 | 北京中交华安科技有限公司 | Show the method and system of speed-limiting messages |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757248Y (en) * | 2004-12-17 | 2006-02-08 | 杭州立信电子设备有限公司 | Solar energy traffic signal controller |
| CN200986790Y (en) * | 2006-07-28 | 2007-12-05 | 青岛澳地数显有限责任公司 | Digital display plate |
| CN200990176Y (en) * | 2006-12-08 | 2007-12-12 | 上海凯伦电子技术有限公司 | Remote control seven-section code magnetic turningover displaying device |
| CN201037980Y (en) * | 2006-10-19 | 2008-03-19 | 青岛澳地数显有限责任公司 | Digital display board |
-
2011
- 2011-01-14 CN CN201110008327XA patent/CN102094397A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757248Y (en) * | 2004-12-17 | 2006-02-08 | 杭州立信电子设备有限公司 | Solar energy traffic signal controller |
| CN200986790Y (en) * | 2006-07-28 | 2007-12-05 | 青岛澳地数显有限责任公司 | Digital display plate |
| CN201037980Y (en) * | 2006-10-19 | 2008-03-19 | 青岛澳地数显有限责任公司 | Digital display board |
| CN200990176Y (en) * | 2006-12-08 | 2007-12-12 | 上海凯伦电子技术有限公司 | Remote control seven-section code magnetic turningover displaying device |
Non-Patent Citations (3)
| Title |
|---|
| 《中国医学物理学杂志》 20100331 陈英华,黎国锋,陈鸿鹏 基于单片机和GSM的脉搏监护系统 1766-1768 1-8 第27卷, 第2期 2 * |
| 《安防科技》 20080930 孙增雷,黄俊年,孙敏,杨光义 基于GSM的远程报警系统的研制 20-22 1-8 , 第9期 2 * |
| 《微计算机信息》 20061231 程全,李向东 基于GSM模块与AT89C51的接口设计及应用 293-295 1-8 , 2 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988239A (en) * | 2012-03-15 | 2014-08-13 | 株式会社小松制作所 | Mine machine operation administration system and mine machine operation administration method |
| CN103988239B (en) * | 2012-03-15 | 2016-08-17 | 株式会社小松制作所 | The operation management system of mining machinery and the operation management method of mining machinery |
| US9766637B2 (en) | 2012-03-15 | 2017-09-19 | Komatsu Ltd. | Operation control system for mining machine and operation control method for mining machine |
| CN103114532A (en) * | 2013-01-11 | 2013-05-22 | 宁海县清华电器有限公司 | Safety facility device used for real-time warning of icing on highway pavement |
| CN107146434A (en) * | 2017-06-30 | 2017-09-08 | 北京中交华安科技有限公司 | Show the method and system of speed-limiting messages |
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Application publication date: 20110615 |