CN109944179A - To alarming sign and intelligent folding and unfolding method after a kind of docking formula - Google Patents
To alarming sign and intelligent folding and unfolding method after a kind of docking formula Download PDFInfo
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- CN109944179A CN109944179A CN201910224633.3A CN201910224633A CN109944179A CN 109944179 A CN109944179 A CN 109944179A CN 201910224633 A CN201910224633 A CN 201910224633A CN 109944179 A CN109944179 A CN 109944179A
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Abstract
The present invention relates to road cleaner tail portion, including bottom plate, alarming sign, roller and bearing block is placed in alarming sign and intelligent folding and unfolding method, the alarming device after a kind of docking formula, the bearing block is fixedly connected on bottom plate, and bearing block is equipped with bearing；The bottom plate is equipped with driving device and electric resistance sensor, and driving device is connected by roller with bearing, and described alarming sign one end is adhered on roller；The roller is arranged right below conduction brush, and the conduction brush lower end is connected by spring with bottom plate, and conduction brush is connected by conducting wire with electric resistance sensor, and electric resistance sensor is connected by conducting wire with driving device；The stepper motor is connected by yielding coupling and roller one end, passes through the length of the changeable alarming sign of the rotation of motor；The present invention realizes the effect of road-cleaning machine warning vehicular traffic, and warning distance is controllably arrived 30-200 meters, improves the safety of road-cleaning machine and vehicular traffic.
Description
Technical field
The present invention relates to be used for present road to alarming sign and intelligent folding and unfolding method, especially one kind after a kind of docking formula
Vehicle is cleaned when carrying out task, in order to remind surrounding traffic more preferably to improve cleaning vehicle and traffic safety
Device, belong to alarming sign field.
Background technique
Vehicle safety problem is always the hot spot of society, especially for the accommodation road equipped with purging systems such as brushes
Vehicle is cleaned, due to the public property and speed of road cleaner are slower etc., safety seems especially prominent.
Alarming device is paid attention to by traffic department always as the dedicated unit for improving road cleaner safety.Tradition
Road cleaner using surface of vehicle spray alarming sign achieve the effect that warn traffic, for for speed limit threshold value it is higher
Road cleaner on road surface, due to the fast speed of traffic, static alarming device is difficult to reach good warning effect,
Usually on the basis of static alarming device added with sound alarming device to achieving the effect that preferably to remind traffic.
Either static alarming device or on its basis plus sound alarming device, equal failed call traffic and cleaning
Vehicle keeps certain safe distance.The warning effect of this operating method has centainly the safety for improving road cleaner
Limitation, especially hold sway on both sides of the road when being residential block, warning sound more disturbs residents.
In the road cleaner of different speed-limit road sections traveling, alarming device difficult point is how distance will be warned in difference
In the case of variation be different numerical value.Traditional alarming device is unable to complete this demand.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provides after a kind of docking formula to alarming sign and intelligent folding and unfolding
Method, to solve problems of the prior art.
To achieve the above object, The technical solution adopted by the invention is as follows:
To alarming sign, including bottom plate, alarming sign, roller and bearing block after a kind of docking formula, the bearing block is fixed to be connected
It is connected on bottom plate, bearing block is equipped with bearing；The bottom plate is equipped with driving device and electric resistance sensor, and driving device passes through
Roller is connected with bearing, and described alarming sign one end is adhered on roller；The roller is arranged right below conduction brush, the conduction
Brush lower end is connected by spring with bottom plate, and conduction brush is connected by conducting wire with electric resistance sensor, electric resistance sensor pass through conducting wire and
Driving device is connected.
As an improvement of the present invention, the alarming sign includes alarming sign ontology, on the alarming sign ontology
Equipped with unit alarming sign, unit alarming sign both ends are equipped with weak spot, and the starting of unit alarming sign is arranged in weak spot
Position, the unit alarming sign is corresponding with weak spot, and the quantity of the unit alarming sign is at least two.
Two weak spots up and down are set between unit alarming sign, due to causing unit alarming sign side thin under fortuitous event
Weakness be broken when, the resistance value in circuit changes at this time, the unbroken weak spot of unit alarming sign other side due to by
Power is larger, so that unbroken weak spot can be also broken rapidly, realizes the unit of fracture.
As an improvement of the present invention, alarming sign ontology lower end is equipped with arc block, and the arc block setting exists
Immediately below unit alarming sign, arc block can guarantee the state tangent with road surface, will not occasionally have because of road surface somewhere protrusion from
And alarming sign is caused surprisingly to be broken, it is easy to alarming sign and is streaked from protrusion surface.
As an improvement of the present invention, connector is equipped between the bearing block and bottom plate, the bearing block passes through company
Fitting is fixedly connected on bottom plate.
As an improvement of the present invention, the driving device includes stepper motor, controller and yielding coupling, institute
It states stepper motor to be fixedly connected on bottom plate by motor support frame, the stepper motor passes through controller and yielding coupling phase
Even.
As an improvement of the present invention, described alarming sign one end is adhered on roller, will be warned by the rotation of roller
Indicating, which is known, carries out folding and unfolding, to change the length of alarming sign.
As an improvement of the present invention, the conduction brush both ends respectively with alarming sign both ends are soft contacts, and pass through electricity
Resistance sensor obtains resistance value of the alarming sign in different length.
As an improvement of the present invention, the conduction brush is fixed on slinky spring, and amount of spring compression is with roller surfaces
Alarming sign thickness variation and change, and then conduction brush is made to keep soft contact condition with alarming sign both ends always.
As an improvement of the present invention, the alarming sign is formed by connecting by multiple unit alarming signs, and both ends are risen
There is weak spot at beginning position, guarantee that the other end disconnects immediately after disconnecting at one end, realize unit docking function；
The bonding strength and resistance value of each unit alarming sign reduce with increasing at a distance from roller；
When each unit alarming sign is connected, there are specific mathematics passes for resistance value and unit number (number of unit alarming sign)
It is expression formula, the mathematical relationship expression formula are as follows: R/ [R2+ln(n)-0.42]。
As an improvement of the present invention, to the intelligent folding and unfolding method of alarming sign, including following two after a kind of docking formula
Kind situation:
A) electric resistance sensor does not collect resistance signal variation, i.e., alarming sign does not occur unit crack conditions；Folding and unfolding at this time
Operation mainly at the end of road cleaning vehicle will turn and turn or enters different speed limit threshold value road when progress, described
Steps are as follows for the folding and unfolding of situation:
(1) acquisition electric resistance sensor signal feeds back to controller, and controller receives electric resistance sensor signal, and signal is by processing
The signal of control stepper motor rotation is generated afterwards；
(2) control stepper motor rotation, interval acquisition electric resistance sensor signal, when electric resistance sensor signal reaches predetermined value,
Stepper motor rotation stops；
B) electric resistance sensor collects resistance signal variation, i.e., unit crack conditions, the folding and unfolding of the situation occurs in alarming sign
Steps are as follows:
(1) acquisition electric resistance sensor signal feeds back to controller；
(2) controller judges alarming sign fragmentation cell number；
(3) control stepper motor rotation, interval acquisition electric resistance sensor signal, when electric resistance sensor signal reaches predetermined value,
Stepper motor rotation stops.
The bearing block is bolted on bottom plate；The motor support frame is bolted on bottom plate.
The alarming sign has that wear-resisting, thickness is smaller, soft, rollable, electrically conductive.
Alarming sign upper surface is coated with the features such as red reflecting coating and insulating coating, and alarming sign can be effectively ensured and exist
When rolling, it is not interfere with each other between each unit alarming sign, effectively increases detection efficiency.
The present invention realizes the effect of road-cleaning machine warning vehicular traffic, and warning distance is controllably arrived 30-200 meters, is improved
The safety of road-cleaning machine and vehicular traffic.
Due to using the above technology, the present invention compared with the prior art, is had the advantage that as follows:
The present invention realizes the controllability of warning distance, improves the safety of road-cleaning machine and vehicular traffic, the present invention can
More preferably meet the effect of road-cleaning machine warning vehicular traffic.
Detailed description of the invention
Fig. 1 be a kind of docking formula after to alarming sign structural schematic diagram；
Fig. 2 is the structural schematic diagram of alarming sign；
Fig. 3 is the top view of alarming sign；
Fig. 4 is the structural schematic diagram of unit alarming sign；
Fig. 5 is the top view of unit alarming sign；
Fig. 6 be a kind of docking formula after to alarming sign alarming sign physical circuit model schematic；
Fig. 7 be a kind of docking formula after to alarming sign tail unit alarming sign physical circuit model schematic；
In figure: 1, motor support frame, 2, stepper motor, 3, yielding coupling, 4, roller, 5, bearing, 6, alarming sign, 7, bearing
Seat, 8, connector, 9, electric resistance sensor, 10, bottom plate, 11, conduction brush, 12, spring, 13, alarming sign ontology, 14, unit police
Indicating is known, 15, weak spot, 16, arc block.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.
Embodiment 1:
To alarming sign, including bottom plate 10, alarming sign 6, roller 4 and bearing block 7, the bearing block 7 after a kind of docking formula
It is fixedly connected on bottom plate 10, bearing block 7 is equipped with bearing 5；The bottom plate 10 is equipped with driving device and electric resistance sensor
9, driving device is connected by roller 4 with bearing 5, and described 6 one end of alarming sign is adhered on roller 4；Immediately below the roller 4
Equipped with conduction brush 11,11 lower end of conduction brush is connected by spring 12 with bottom plate 10, and conduction brush 11 is passed by conducting wire and resistance
Sensor 9 is connected, and electric resistance sensor 9 is connected by conducting wire with driving device.
The alarming sign 6 includes alarming sign ontology 13, and the alarming sign ontology 13 is equipped with unit alarming sign
14,14 both ends of unit alarming sign are equipped with weak spot 15, and the starting position of unit alarming sign 14, institute is arranged in weak spot 15
State that unit alarming sign 14 is corresponding with weak spot 15, the quantity of the unit alarming sign 14 is at least two.
13 lower end of alarming sign ontology is equipped with arc block 16, the arc block 16 setting unit alarming sign 14 just
Lower section, arc block 16 can guarantee the state tangent with road surface, occasionally will not have protrusion so as to cause warning-sign because of road surface somewhere
Know 6 unexpected fractures, is easy to alarming sign 6 and is streaked from protrusion surface.
Connector 8 is equipped between the bearing block 7 and bottom plate 10, the bearing block 7 is fixedly connected on bottom by connector 8
On plate 10.
The driving device includes stepper motor 2, controller and yielding coupling 3, and the stepper motor 2 passes through motor
Support frame 1 is fixedly connected on bottom plate 10, and the stepper motor 2 is connected by controller with yielding coupling 3.
Described 6 one end of alarming sign is adhered on roller 4, and alarming sign 6 is carried out folding and unfolding by the rotation of roller 4, from
And change the length of alarming sign 6.
11 both ends of conduction brush respectively with 6 both ends of alarming sign are soft contacts, and warning-sign is obtained by electric resistance sensor 9
Know 6 resistance value in different length.
The conduction brush 11 is fixed on slinky spring 12,12 decrement of spring with 4 surface of roller 6 thickness of alarming sign
Variation and change, and then conduction brush 11 is made to keep soft contact condition with 6 both ends of alarming sign always.
The alarming sign 6 is formed by connecting by multiple unit alarming signs 14, and has weak spot at the starting position of both ends
15, guarantee that the other end disconnects immediately after disconnecting at one end, realizes unit docking function；
The bonding strength and resistance value of each unit alarming sign 14 reduce with increasing at a distance from roller 4；
When each unit alarming sign 14 is connected, there are specific numbers for resistance value and unit number (number of unit alarming sign 14)
Learn relational expression, the mathematical relationship expression formula are as follows: R/ [R2+ln(n)-0.42]。
Embodiment 2:
To the intelligent folding and unfolding method of alarming sign, including following two situation after a kind of docking formula:
A) electric resistance sensor 9 does not collect resistance signal variation, i.e., alarming sign 6 does not occur unit crack conditions；Receipts at this time
Put operation mainly at the end of road cleaning vehicle will turn and turn or enter different speed limit threshold value road when progress, institute
Stating the folding and unfolding of situation, steps are as follows:
(1) acquisition 9 signal of electric resistance sensor feeds back to controller；
(2) control stepper motor 2 rotates, interval acquisition 9 signal of (interval time 5s) electric resistance sensor, when electric resistance sensor 9
When signal reaches predetermined value, the rotation of stepper motor 2 stops；
B) electric resistance sensor 9 collects resistance signal variation, i.e., unit crack conditions, the receipts of the situation occurs in alarming sign 6
Put that steps are as follows:
(1) acquisition 9 signal of electric resistance sensor feeds back to controller；
(2) controller judges alarming sign fragmentation cell number；
(3) control stepper motor 2 rotates, and acquires 9 signal of (interval time 5s) electric resistance sensor with interval, works as electric resistance sensor
When 9 signals reach predetermined value, the rotation of stepper motor 2 stops.
As shown in Figure 3: alarming sign lower surface has arc block 16, keeps line to contact with ground, and each unit warning-sign
Knowing the part that is in contact between 14 has weak spot 15.
The physical circuit illustraton of model that alarming sign takes out is as shown in Figure 6, wherein the end ab is the one end for being pasted onto roller 4.
When there is n unit alarming sign 14, the resistance of a, b two o'clock are as follows: R/ [R2+ln(n)-0.42].When needing folding and unfolding alarming sign 6
When, it is known that the value for wanting preset electric resistance sensor 9 can be obtained in n.When there is the fracture of unit alarming sign 14, the variation of resistance
Measure larger, controller is easy to obtain biggish resistance change by electric resistance sensor 9 to accurately judging to be broken
Position.
Whole device is placed on the tail portion of road cleaner, since alarming sign upper surface is coated with red reflectorized material, easily
In by the vehicle discovery of dealing to realizing safe warning function.The lower surface of unit alarming sign 14 is coated with wear-resistant material and sets
There is arc block 16, ensure that the phenomenon that unexpected forced breakage may being led to there are protrusion due to road surface, as shown in Figure 3.
The length of safety alarming and identifying on different speed-limit road section road surfaces is different value.
When road cleaner enters the road of another speed limit value from the road of a speed limit value, system passes through calling
Scheduled resistance value controls the direction of motion of stepper motor 2 to realize draw-in and draw-off function, when the numerical value of electric resistance sensor 9 reaches
When scheduled value, 2 stop motion of stepper motor, thus by the length adjustment of alarming sign to suitable numerical value.Road cleaner
The folding and unfolding process of device is consistent with the above when turning.
Since electric resistance sensor 9 is acquiring signal always in road cleaner driving process, when the variable quantity of signal is super
Out when certain threshold value, controller can determine that crack conditions occurs in alarming sign.According to the numerical value of electric resistance sensor 9, system can
The position of fracture is judged, so that the movement of new resistance predetermined value control stepper motor 2 be arranged and then control alarming sign 6
Length.
Above-described embodiment is only the preferred technical solution of the present invention, and is not construed as limitation of the invention, the present invention
Protection scope should with claim record technical solution, including claim record technical solution in technical characteristic etc.
It is protection scope with alternative, i.e., equivalent replacement within this range is improved, also within protection scope of the present invention.
Claims (10)
1. to alarming sign after a kind of docking formula, it is characterised in that: described including bottom plate, alarming sign, roller and bearing block
Bearing block is fixedly connected on bottom plate, and bearing block is equipped with bearing；The bottom plate is equipped with driving device and electric resistance sensor,
Driving device is connected by roller with bearing, and described alarming sign one end is adhered on roller；The roller, which is arranged right below, leads
Brush, the conduction brush lower end are connected by spring with bottom plate, and conduction brush is connected by conducting wire with electric resistance sensor, resistance sensing
Device is connected by conducting wire with driving device.
2. to alarming sign after a kind of docking formula according to claim 1, it is characterised in that: the alarming sign includes police
Ontology is known in indicating, and the alarming sign ontology is equipped with unit alarming sign, and unit alarming sign both ends are equipped with weak spot, thin
The starting position of unit alarming sign is arranged in weakness, and the unit alarming sign is corresponding with weak spot, the unit warning
The quantity of mark is at least two.
3. to alarming sign after a kind of docking formula according to claim 2, it is characterised in that: under the alarming sign ontology
End is equipped with arc block, and the arc block is arranged immediately below unit alarming sign.
4. to alarming sign after a kind of docking formula according to claim 1, it is characterised in that: the bearing block and bottom plate it
Between be equipped with connector, the bearing block is fixedly connected on bottom plate by connector.
5. to alarming sign after a kind of docking formula according to claim 1, it is characterised in that: the driving device includes step
Into motor, controller and yielding coupling, the stepper motor is fixedly connected on bottom plate by motor support frame, the step
It is connected into motor by controller with yielding coupling.
6. to alarming sign after a kind of docking formula according to claim 1, it is characterised in that: described alarming sign one end is viscous
It is connected on roller, alarming sign is carried out by folding and unfolding by the rotation of roller, to change the length of alarming sign.
7. to alarming sign after a kind of docking formula according to claim 1, it is characterised in that: the conduction brush both ends difference
With alarming sign both ends are soft contacts, and resistance value of the alarming sign in different length is obtained by electric resistance sensor.
8. to alarming sign after a kind of docking formula according to claim 1, it is characterised in that: the conduction brush is fixed on soft
On spring, amount of spring compression changes with the variation of the alarming sign thickness of roller surfaces, so make conduction brush always with police
Indicating knows both ends and keeps soft contact condition.
9. to alarming sign after a kind of docking formula according to claim 2, it is characterised in that: the alarming sign is by multiple
Unit alarming sign is formed by connecting, and has weak spot at the starting position of both ends, guarantees that the other end breaks immediately after disconnecting at one end
It opens, realizes unit docking function；
The bonding strength and resistance value of each unit alarming sign reduce with increasing at a distance from roller；
When each unit alarming sign is connected, there are specific mathematical relationship expression formula, the mathematics is closed for resistance value and unit number
It is expression formula are as follows: R/ [R2+ln(n)-0.42]。
10. to the intelligent folding and unfolding method of alarming sign after a kind of any one of -9 docking formulas according to claim 1, feature exists
In, including following two situation:
A) electric resistance sensor does not collect resistance signal variation, i.e., alarming sign does not occur unit crack conditions；Folding and unfolding at this time
Operation mainly at the end of road cleaning vehicle will turn and turn or enters different speed limit threshold value road when progress, described
Steps are as follows for the folding and unfolding of situation:
(1) acquisition electric resistance sensor signal feeds back to controller；
(2) control stepper motor rotation, interval acquisition electric resistance sensor signal, when electric resistance sensor signal reaches predetermined value,
Stepper motor rotation stops；
B) electric resistance sensor collects resistance signal variation, i.e., unit crack conditions, the folding and unfolding of the situation occurs in alarming sign
Steps are as follows:
(1) acquisition electric resistance sensor signal feeds back to controller；
(2) controller judges alarming sign fragmentation cell number；
(3) control stepper motor rotation, interval acquisition electric resistance sensor signal, when electric resistance sensor signal reaches predetermined value,
Stepper motor rotation stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224633.3A CN109944179B (en) | 2019-03-23 | 2019-03-23 | Tail breaking type backward warning mark and intelligent folding and unfolding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224633.3A CN109944179B (en) | 2019-03-23 | 2019-03-23 | Tail breaking type backward warning mark and intelligent folding and unfolding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944179A true CN109944179A (en) | 2019-06-28 |
| CN109944179B CN109944179B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224633.3A Active CN109944179B (en) | 2019-03-23 | 2019-03-23 | Tail breaking type backward warning mark and intelligent folding and unfolding method |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088771A (en) * | 2011-11-07 | 2013-05-08 | 上海市政养护管理有限公司 | Movable emergency warning buffer device |
| CN204282242U (en) * | 2014-11-15 | 2015-04-22 | 中建七局第一建筑有限公司 | Building site warning mark |
| CN204570504U (en) * | 2015-03-13 | 2015-08-19 | 河南理工大学 | A kind of Smartway warning dolly |
| CN105908646A (en) * | 2016-04-29 | 2016-08-31 | 闫鹏飞 | Prompting device |
| CN208201686U (en) * | 2018-05-22 | 2018-12-07 | 中建七局第一建筑有限公司 | A kind of construction alarming device |
-
2019
- 2019-03-23 CN CN201910224633.3A patent/CN109944179B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088771A (en) * | 2011-11-07 | 2013-05-08 | 上海市政养护管理有限公司 | Movable emergency warning buffer device |
| CN204282242U (en) * | 2014-11-15 | 2015-04-22 | 中建七局第一建筑有限公司 | Building site warning mark |
| CN204570504U (en) * | 2015-03-13 | 2015-08-19 | 河南理工大学 | A kind of Smartway warning dolly |
| CN105908646A (en) * | 2016-04-29 | 2016-08-31 | 闫鹏飞 | Prompting device |
| CN208201686U (en) * | 2018-05-22 | 2018-12-07 | 中建七局第一建筑有限公司 | A kind of construction alarming device |
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| Publication number | Publication date |
|---|---|
| CN109944179B (en) | 2021-03-23 |
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