CN208126646U - A kind of crossing traffic alarm system - Google Patents
A kind of crossing traffic alarm system Download PDFInfo
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- CN208126646U CN208126646U CN201820672245.2U CN201820672245U CN208126646U CN 208126646 U CN208126646 U CN 208126646U CN 201820672245 U CN201820672245 U CN 201820672245U CN 208126646 U CN208126646 U CN 208126646U
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Abstract
The utility model provides a kind of crossing traffic alarm system, which includes wind-force testing agency and the spraying mechanism for being set to crossing two sides；The spraying mechanism is connect with traffic lights, for forming spray water channel in the crossing two sides to stop pedestrian to pass through road in violation of rules and regulations；The wind-force testing agency and the traffic lights are connect with the spraying mechanism respectively, and the spraying mechanism adjusts shower water size according to the wind-force size that the wind-force testing agency detects.The crossing traffic alarm system of the utility model, composed structure is simple, can effectively the behavior of specification walk, improve shower water service efficiency, avoid the inconvenience caused by pedestrian.
Description
Technical field
The utility model relates to traffic management technology fields, more particularly, to a kind of crossing traffic alarm system.
Background technique
Crossing be indicated on driveway with the graticules such as zebra stripes or other methods, regulation pedestrian crosses lane
Walking range, be prevent from injuring pedestrian when vehicle fast running and on the ground that the specified people that need to give way of driveway upper graticule passes through
Side.
To avoid pedestrian from scrambling for roads with motor vehicles, traffic lights can be generally set in the two sides of crossing, with specification
The passage of pedestrian and motor vehicles.It is relatively tight for the current management of motor vehicles, cooperate Traffic signal control and road
The surveillance and control measure of mouth, motor vehicles usually can preferably observe traffic rules and regulations.And what pedestrian and non motorized vehicle passed through in violation of rules and regulations
Situation is then relatively more.
Specification pedestrian traffic is realized by way of setting caution slogan or other information warnings, produces little effect, Hang Renhe
The behavior that non power driven vehicle is walked in violation of rules and regulations is still more universal.And the mode on duty by traffic administration personnel, labor intensive object
Power.Currently, also having the method for specification pedestrian or the current behavior of motor vehicles by the way of water spray, but its controllability and adaptation
Property is poor.
Utility model content
(1) technical problems to be solved
The utility model provides a kind of crossing traffic alarm system, to solve to be difficult to effective specification pedestrian or non-machine
The technical issues of behavior of motor-car jaywalking or canonical form controllability and bad adaptability.
(2) technical solution
In order to solve the above technical problems, one aspect according to the present utility model, provides a kind of crossing traffic alarm
System, including wind-force testing agency and the spraying mechanism for being set to crossing two sides；
The spraying mechanism is connect with traffic lights, for forming spray water channel in the crossing two sides to stop
Pedestrian passes through road in violation of rules and regulations；
The wind-force testing agency and the traffic lights are connect with the spraying mechanism respectively, the spraying mechanism root
Shower water size is adjusted according to the wind-force size that the wind-force testing agency detects.
Further, the spraying mechanism is provided with the induction machine of perception personage's state far from the side of the crossing
Structure；The people or the starting of object state or stop that the spraying mechanism is sensed according to the traffic signal light condition and the induction mechanism
Only shower water.
Further, the induction mechanism is electrically connected or communication connection with the spraying mechanism.
Further, the induction mechanism is gravity sensor；The gravity sensor is set to below ground.
Further, the induction mechanism is infrared sensor cell and/or displacement sensing unit.
Further, the spraying mechanism includes pressure sensitive unit and spray unit；The pressure sensitive unit is used for
The hydraulic pressure of the spray unit is obtained, the spray unit is used for the wind-force size detected according to the wind-force testing agency
The hydraulic pressure obtained with the pressure sensitive unit adjusts the jetting height of the shower water.
It further, further include projector mechanism；The projector mechanism is set to the side of the spraying mechanism, in institute
It states and forms graph text information on spray water channel.
Further, the spray unit includes water storage tank and the water pipe that is connected to the water storage tank；The water pipe includes
The slit or multiple apertures being provided on the water pipe side wall, the slit or the multiple aperture are corresponding along the spraying mechanism
The extending direction of road arranges, and the slit or the aperture is opening up.
Further, catch basin is provided on the road surface above the water pipe；The opening position of the slit or the aperture
In in the catch basin.
Further, the spraying mechanism further includes water return pipeline；One end of the water return pipeline and the catch basin phase
Connection, the other end are connected to the water storage tank.
(3) beneficial effect
A kind of crossing traffic alarm system that the application proposes, its advantages are mainly as follows：
By the way that spraying mechanism is arranged in the two sides of crossing, and spraying mechanism is connected with wind-force testing agency, Neng Gougen
According to traffic signal light condition crossing two sides formed spray water channel, and can according to wind-force size to spray water channel injection
Height in real time, accurately regulate and control, and with effective specification walk behavior, and avoids bringing inconvenience to pedestrian.
By the way that induction mechanism, the people that can be sensed according to traffic lights and induction mechanism is arranged in the side of spraying mechanism
The spray water state of spraying mechanism is adjusted in object state, can reduce the frequency that spraying mechanism executes spray movement, improves
Spray water application efficiency.
By the way that projector mechanism is arranged in the side of spraying mechanism, pedestrian can be attracted to watch projector mechanism on spray water channel
The graph text information of projection improves the specification effect to walk behavior, also provides a kind of new publicity mode.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to a kind of crossing traffic alarm system of the utility model embodiment.
In figure, 1- crossing；2- spraying mechanism；3- induction mechanism.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It is shown in Figure 1, a kind of crossing traffic alarm system, including wind-force testing agency and spraying mechanism 2.Wind-force
Testing agency is used to detect wind-force size at that time；The position of wind-force testing agency can flexible setting, as long as can be convenient for accurate
Detect wind-force size in ground.Spraying mechanism 2 is for providing shower water to form spray water channel.
The two sides of crossing 1 are arranged in spraying mechanism 2.Both for a crossing 1, two sets of spray throwers are correspondingly arranged on
Structure 2；Two sets of spraying mechanisms 2 are located at the two sides of road.When spraying mechanism 2 works, shower water is provided, pedestrian can be prevented
Jaywalking.It is understood that one or more sets spray throwers can also respectively be arranged in the two sides of any crossing 1
Structure 2.
Spraying mechanism 2 is set to below road surface.It when spraying mechanism 2 works, sprays water towards upper pavement surface, to form spray
Water drenching road.It is understood that spraying mechanism 2 may also set up in upper pavement surface.When spraying mechanism 2 is set to upper pavement surface,
It can be by setting up water pipe in the two sides of crossing 1, by providing shower water in water pipe downwards to form spray water channel.It is preferred that spraying
Mechanism 2 is set to below ground, can simplify the structure and set-up mode of spraying mechanism 2.
Spraying mechanism 2 is connect with the traffic lights of crossing 1.When the traffic lights of crossing 1 are red light,
Then start spraying mechanism 2, forms spray water channel, prevent pedestrian's jaywalking；When traffic lights are green light, spray is closed
Mechanism 2 is drenched, pedestrian can will not be drenched, normal through the region where spraying mechanism 2 normally to jaywalk.
Spraying mechanism 2 and traffic lights are connected with wind-force testing agency respectively.When the traffic lights of crossing 1
When for green light, spraying mechanism 2 is in close state.Spraying mechanism 2 and traffic lights connect with wind-force testing agency respectively
When connecing, warning system can be according to the closed state of spraying mechanism 2 and/or the green light phase of traffic lights, to wind-force detection machine
The wind-force variation that structure detects does not execute shower water adjusting movement.
When the red light of the traffic lights of crossing 1, spraying mechanism 2 is in the open state.Spraying mechanism 2 and traffic
When signal lamp is connect with wind-force testing agency respectively, warning system can be according to the open state and/or traffic signals of spraying mechanism 2
The red light phase of lamp executes shower water adjusting movement to the wind-force variation that wind-force testing agency is detected.
When wind-force makes more greatly, it can suitably weaken or turn down shower water size or height；When wind-force is smaller, can suitably enhance
Or increase shower water size or height.It, being capable of real-time monitoring shower water size, i.e. effective rule by the setting of wind-force testing agency
Model pedestrian traffic state, but can be avoided wind-force it is excessive when, shower water is excessive or excessively high and the inconvenience caused by pedestrian.Meanwhile
By the connection of spraying mechanism 2, traffic lights and wind-force testing agency, the flexible modulation to spray state is realized, reduce nothing
With the execution of/invalid action.It is understood that traffic lights are also possible to control the current signal lamp of motor vehicles；When
When signal lamp is using control motor vehicles current traffic lights, the control shape of red light and green light phase to spraying mechanism 2
State is opposite.Below unless otherwise specified, by taking the traffic lights of crossing 1 as an example.
It is understood that the either side in any crossing is correspondingly arranged spraying mechanism and wind-force testing agency；?
It can be correspondingly arranged on spraying mechanism in the either side of crossing, and at same crossing, a wind-force detection machine is only set
Structure, set wind-force testing agency is all connected with each spraying mechanism, with simplied system structure.For example, crossing as shown in figure 1,
8 sets of spraying mechanisms can be then correspondingly arranged, wind-force testing agency can only be arranged a set of.
In a specific embodiment, the side of spraying mechanism 2 is provided with induction mechanism 3；Induction mechanism 3 is located at spray
Drench side of the mechanism 2 far from crossing 1.Spraying mechanism 2 is between induction mechanism 3 and crossing 1.Induction mechanism 3 is used
In perception personage's state.Spraying mechanism 2 can start according to personage's state that traffic signal light condition and induction mechanism 3 sense
Or stop shower water.The position of induction mechanism 3 can be adjusted flexibly, if can satisfy it is accurate, easily perceive the people passed through
Or object state.
It is understood that road side, the place close to crossing 1 is arranged in spraying mechanism 2.When pedestrian will pass through horse
Lu Shi, pedestrian first pass around the position where induction mechanism 3, then pass through the position where spraying mechanism 2, are then passed through crossing
1, into 1 other side of crossing, arrive road opposite.
When the red light of crossing 1 is bright, and do not sensed in the corresponding induction region of induction mechanism 3 pedestrian, animal or
When other articles pass through, spraying mechanism 2 can not start temporarily, not execute the movement of shower water；Only when red light is bright, and pedestrian,
Animal or article pass through the induction region of induction mechanism 3, when induction mechanism 3 senses that someone or object enter its induction region,
Start spraying mechanism 2, just to prevent pedestrian, animal or other article jaywalkings.In the side of spraying mechanism 2, sense is set
Mechanism 3 is answered, the spray movement of spraying mechanism 2 can be reduced, reduce 2 operating frequency of use and spraying mechanism of water.
Traffic lights and induction mechanism 3 respectively with spraying mechanism 2 be electrically connected or communication connection by way of be connected.It hands over
Personage's status information that the signal and induction mechanism 3 of ventilating signal lamp sense can be transmitted to spraying mechanism 2 in time, make spray thrower
Structure 2 executes corresponding movement.
Induction mechanism 3 can be gravity sensor；Gravity sensor is set to below ground.When nobody or object enter
When gravity sensor induction region, gravity sensor will not sense gravity state variation or not sense specific gravity shape
State information, then gravity sensor does not transmit information to spraying mechanism 2, alternatively, spraying mechanism 2 does not execute spray after receiving the information
Leaching movement.That is, when nobody by 3 induction zone of induction mechanism moved to 1 direction of crossing when, no matter crossing
1 traffic lights are green light or red light phase, and spraying mechanism 2 does not execute the movement of shower water.
After someone or object enter the induction region of gravity sensor, gravity sensor by the gravity state sensed or
Gravity changer status information is transmitted to spraying mechanism 2.At the same time, if the traffic lights of crossing 1 are green light, spray
Mechanism 2 is in off state, and is not adjusted；When if red light, spraying mechanism 2 is in the gravity state or gravity for receiving gravity sensor
After variable condition information, spray movement is just executed, to upper pavement surface shower water, prevents pedestrian's jaywalking.
Induction mechanism 3 is infrared sensor cell or displacement sensing unit.When induction mechanism 3 is infrared sensor unit or position
When moving sensing unit, infrared sensor cell or the displacement sensing unit side of resting on the ground.When infrared sensor cell or displacement sensing
When the unit side of resting on the ground, setting position can flexible setting, as long as can be convenient for the people that passes through of induction or object.Induction
Mechanism 3 can be infrared sensor cell or displacement sensing unit, but be not limited to both sensing induction modes, be also not necessarily limited to pass
Sense technology, as long as people or object can accurately be perceived by state.
It is understood that reduce on motor vehicles or other road surfaces the people of normal walking or object to induction mechanism 3
It influences, it can be by the sensing device that is arranged or selects that there is suitable induction region or range；Alternatively, corresponding with sensor
Isolation or shielding body is arranged to shield the interference of other spectral artifacts in position.
In a specific embodiment, spraying mechanism 2 includes pressure sensitive unit and spray unit.Pressure sensitive unit
For obtaining the hydraulic pressure of the spray unit；Spray unit is used for the wind-force size and pressure detected according to wind-force testing agency
The hydraulic pressure that power sensing unit obtains is to adjust the jetting height of shower water.
Spray unit can be various structures, as long as being capable of forming spray water channel to prevent pedestrian's jaywalking.
As one of feasible pattern, spray unit may include water storage tank and the water pipe for shower water；One end of water pipe is connected to
Water storage tank, settable water pump or other pump structures on the water pipe.A slit is offered on the side wall of water pipe or a row is alternate
Every aperture.The extending direction arrangement of slit or row's aperture road corresponding to the spraying mechanism, in crossing side shape
At the spray pipeline for being parallel to zebra stripes on crossing；Slit or aperture it is opening up.When water pump pumps water into water pipe
When, under pressure, water to upper pavement surface from being discharged in slit or aperture, to form spray water channel.
Pressure sensitive unit may be disposed on water pipe, to detect the hydraulic pressure in water pipe.Meanwhile it can also be set on the water pipe
Set adjustable valve；For adjusting the size of water flow in water pipe.When wind-force testing agency detects that wind-force is excessive, need to turn down spray
When the jetting height of water, the water pressure detected in combination with pressure sensitive unit, by reducing the revolving speed of pump or increasing adjustable
The modes such as openings of sizes for saving valve reduce the hydraulic pressure in water pipe, to reduce the jetting height of shower water to suitable height.Pass through
The relationship of hydraulic pressure and shower water jetting height in water pipe, the injection that shower water can be more reasonably regulated and controled according to wind-force size are high
Degree.
It is understood that being convenient for spraying mechanism 2 and wind-force testing agency, induction mechanism 3 etc. and traffic lights
Connection, and the adjusting of water pump, adjustable valve is controlled, spraying mechanism 2 can also include micro control unit.Traffic lights, wind
Tension detection mechanism and induction mechanism 3 be electrically connected respectively with micro control unit or communication connection water pump and adjustable valve also respectively with it is micro-
Control unit electrical connection or communication connection.
In addition, as the mode advanced optimized, to avoid trickling and shadow everywhere in water pipe to the water that upper pavement surface sprays
It rings road surface cleaning or brings inconvenience to pedestrian, catch basin is set on water pipe corresponding road surface.The length direction and water pipe of catch basin
Length direction it is identical.Slit or aperture on water pipe are located in catch basin.When the water in water pipe is upward by slit or aperture
It when shower water, is fallen after rise downwards, is focused in catch basin by the water sprayed in water pipe, with centralized recovery or guided to other positions.
As further preferred mode, spraying mechanism 2 may also include water return pipeline.One end of water return pipeline and catch basin
It is connected.The water being collected into catch basin can be recycled by water return pipeline.The other end of water return pipeline can be connected to water storage
Slot, the water for being used to form spray water channel are Ke Xunhuanliyong.
It,, can be with alternatively, in the bottom of catch basin above the slit or aperture of water pipe as further preferred mode
Filter screen is set, enters to avoid the sundries of catch basin and in slit or aperture and influences the normal sprinkling of shower water.In addition, collecting
With the junction of water return pipeline corresponding filter screen can also be arranged in sink.
In a specific embodiment, projector mechanism is also provided in the side of spraying mechanism 2；Projector mechanism is preferably set
It is placed in side of the spraying mechanism 2 far from crossing 1.Projector mechanism is used to be formed by shower water when spraying water to spraying mechanism 2
It is projected on road, to form graph text information on spray water channel.Being formed by graph text information can be text, picture, static state or dynamic
The image of state.It projects to form graph text information in spray water channel, pedestrian can be attracted to watch graph text information and improve and pedestrian is prevented to disobey
Advise the effect to jaywalk；It is also possible to provide various advertisement informations to pedestrian, a kind of new publicity mode is provided.
Projector mechanism can be electrically connected with spraying mechanism 2 or communication connection；It, can when spraying mechanism 2 executes shower water movement
Synchronous averaging projector mechanism forms graph text information on spray water channel.Projector mechanism can not also be connect and only with spraying mechanism 2
Vertical control.
As the mode advanced optimized, it can also be equipped with voice prompting mechanism.Voice prompting mechanism can be same with projector mechanism
When be arranged, can also respectively be separately provided.
In a specific embodiment, a kind of crossing traffic alarm method, including：
Crossing 1 two sides be arranged spraying mechanism 2, when the red light of crossing 1 is bright, starting spraying mechanism 2 to
Upper pavement surface water spray forms spray water channel in 1 two sides of crossing to prevent pedestrian's jaywalking；The spray water channel
Shower water height is automatically adjusted according to wind-force size；
When the green light of crossing 1, spraying mechanism 2 is closed in order to which pedestrian normally jaywalks.
When spraying mechanism 2 is connect with the traffic lights of crossing 1, spray is directly controlled according to the variation of traffic lights
Leaching mechanism 2 opens/stops, and control mode is simple.Meanwhile shower water height is automatically adjusted according to wind-force, can both enhance having for regulation
Effect property, and water application efficiency can be improved.
Preferably, shower water height is adjusted according to the hydraulic pressure of wind-force size and spraying mechanism 2.By to spraying mechanism
Hydraulic pressure in 2 water pipe and it is formed by the influence of the relationship and wind-force size of shower water height to shower water, it can more rationally
Ground adjusts shower water height, not only achievees the purpose that pedestrian is prevented to walk in violation of rules and regulations, but also shower water is avoided to bring inconvenience pedestrian.
It preferably, can also be by the way that induction mechanism 3 be arranged far from the side of crossing 1 in spraying mechanism 2.Pass through induction machine
The setting of structure 3；When the green light of crossing 1, spraying mechanism 2 is closed；
When the red light of crossing 1 is bright, if be not sensed by someone or object and move to 1 direction of crossing, spray is closed
Mechanism 2；
When the red light of crossing 1 is bright, and senses that someone or object are moved to 1 direction of crossing, start spray thrower
Structure 2 is to form spray water channel.
When the red light of crossing 1 is bright, and do not sensed in the corresponding induction region of induction mechanism 3 pedestrian, animal or
When other articles pass through, spraying mechanism 2 can not start temporarily, not execute the movement of shower water；Only when red light is bright, and pedestrian,
Animal or article pass through the induction region of induction mechanism 3, when induction mechanism 3 senses that someone or object enter its induction region,
Start spraying mechanism 2, just to prevent pedestrian, animal or other article jaywalkings.In the side of spraying mechanism 2, sense is set
Mechanism 3 is answered, the spray movement of spraying mechanism 2 can be reduced, reduce 2 operating frequency of use and spraying mechanism of water.
Preferably, also graph text information can be projected by projector mechanism on spray water channel；Being formed by graph text information can be with
It is text, picture, image either statically or dynamically.It projects to form graph text information in spray water channel, various a surnames can be provided to pedestrian
Communication breath, it is also possible to attract pedestrian to watch graph text information and improve the effect for preventing pedestrian's jaywalking.Also,
Also respectively individually, or voice prompting mechanism jointly can be set.
The crossing traffic alarm system of the utility model, is correspondingly arranged spray thrower by the two sides in crossing
Structure forms spray water channel in the two sides of crossing by the way of shower water, to prevent pedestrian's jaywalking；Spray thrower
Structure realizes the automatic, clever of spraying mechanism shower water process by being connected with traffic lights, wind-force testing agency and induction mechanism
It is living to adjust.
Finally, the method for the utility model is only preferable embodiment, it is not intended to limit the protection of the utility model
Range.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in
Within the protection scope of the utility model.
Claims (10)
1. a kind of crossing traffic alarm system, which is characterized in that including wind-force testing agency and be set to crossing two
The spraying mechanism of side；
The spraying mechanism is connect with traffic lights, for forming spray water channel in the crossing two sides to stop pedestrian
Pass through road in violation of rules and regulations；
The wind-force testing agency and the traffic lights are connect with the spraying mechanism respectively, and the spraying mechanism is according to institute
State the wind-force size adjustment shower water size that wind-force testing agency detects.
2. warning system according to claim 1, which is characterized in that the spraying mechanism far from the crossing one
Side is provided with the induction mechanism of perception personage's state；The spraying mechanism is according to the traffic signal light condition and the induction machine
The people or object state that structure senses start or stop shower water.
3. warning system according to claim 2, which is characterized in that the induction mechanism is electrically connected with the spraying mechanism
Or communication connection.
4. warning system according to claim 2, which is characterized in that the induction mechanism is gravity sensor；It is described heavy
Force snesor is set to below ground.
5. warning system according to claim 2, which is characterized in that the induction mechanism be infrared sensor cell and/or
Displacement sensing unit.
6. warning system according to claim 1-5, which is characterized in that the spraying mechanism includes pressure sensing
Unit and spray unit；The pressure sensitive unit is used to obtain the hydraulic pressure of the spray unit, and the spray unit is used for root
The hydraulic pressure that the wind-force size detected according to the wind-force testing agency and the pressure sensitive unit obtain adjusts the spray
The jetting height of water.
7. warning system according to claim 1-5, which is characterized in that further include projector mechanism；The projection
Mechanism is set to the side of the spraying mechanism, for forming graph text information on the spray water channel.
8. warning system according to claim 6, which is characterized in that the spray unit include water storage tank and with the storage
The water pipe of sink connection；The water pipe includes the slit or multiple apertures being provided on the water pipe side wall, the slit or institute
State the extending direction arrangement that multiple apertures correspond to road along the spraying mechanism, and the opening court of the slit or the aperture
On.
9. warning system according to claim 8, which is characterized in that be provided with and catchment on the road surface above the water pipe
Slot；The opening of the slit or the aperture is located in the catch basin.
10. warning system according to claim 9, which is characterized in that the spraying mechanism further includes water return pipeline；It is described
One end of water return pipeline is connected with the catch basin, and the other end is connected to the water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820672245.2U CN208126646U (en) | 2018-05-07 | 2018-05-07 | A kind of crossing traffic alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820672245.2U CN208126646U (en) | 2018-05-07 | 2018-05-07 | A kind of crossing traffic alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208126646U true CN208126646U (en) | 2018-11-20 |
Family
ID=64184685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820672245.2U Expired - Fee Related CN208126646U (en) | 2018-05-07 | 2018-05-07 | A kind of crossing traffic alarm system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597220A (en) * | 2018-05-07 | 2018-09-28 | 随州市双翼隆基机械科技有限公司 | A kind of crossing traffic alarm system and alarming method for power |
-
2018
- 2018-05-07 CN CN201820672245.2U patent/CN208126646U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597220A (en) * | 2018-05-07 | 2018-09-28 | 随州市双翼隆基机械科技有限公司 | A kind of crossing traffic alarm system and alarming method for power |
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Granted publication date: 20181120 Termination date: 20200507 |