CN107739002B - Intelligent landing control method for vehicle lifting apparatus - Google Patents
Intelligent landing control method for vehicle lifting apparatus Download PDFInfo
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- CN107739002B CN107739002B CN201711071493.8A CN201711071493A CN107739002B CN 107739002 B CN107739002 B CN 107739002B CN 201711071493 A CN201711071493 A CN 201711071493A CN 107739002 B CN107739002 B CN 107739002B
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- air bag
- chip microcontroller
- air
- comparator
- solenoid valve
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000013021 overheating Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 25
- 239000002775 capsule Substances 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000002123 temporal effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 2
- 239000010410 layer Substances 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 57
- 230000007246 mechanism Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/247—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated pneumatically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/35—Inflatable flexible elements, e.g. bellows
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention proposes a kind of intelligent landing control methods for vehicle lifting apparatus, it include: S1, initialize single-chip microcontroller, user's booster air pump, S2, it is lifted during tire, real-time monitoring is carried out by height of the range sensor to tire and ground, S3, after lifting finishes, control instruction is sent to air pump by single-chip microcontroller, air pump is set to stop working, S4, in lifting apparatus work, power end judges the stability of inputing power by overheating protection circuit, it can be realized the stable power-supplying of single-chip microcontroller by the operation, in case of power supply power supply exception, then it is able to carry out self-starting operation, realize automation control, prevent circuit burnout, reduce the probability caused danger, guarantee the safety operation system.
Description
Technical field
The present invention relates to electronic circuit control field more particularly to a kind of intelligent landing controls for vehicle lifting apparatus
Method.
Background technique
In the prior art, it cannot be incited somebody to action for automobile perhaps wheel apparatus due to detection or the needs of maintenance vehicle
Vehicle is lifted or vehicle is made to reach certain height, the inconvenience of this user resulted in, although there is some vehicle liftings to set
It is standby to be able to ascend height of car, but corresponding equipment is inconvenient to use, cannot achieve automation control, needs human intervention
Operation is excessive, causes the reduction of the delay and efficiency of time, this just needs the corresponding technology of those skilled in the art's solution and asks
Topic.
Summary of the invention
The present invention is directed at least solve the technical problems existing in the prior art, especially innovatively propose a kind of for vehicle
The intelligent landing control method of lifting apparatus.
In order to realize above-mentioned purpose of the invention, the present invention provides a kind of intelligent landing controls for vehicle lifting apparatus
Method processed, comprising: intelligent terminal air pump control signal end connects air pump working signal end, the connection of intelligent terminal single-chip microcomputer signal end
Single-chip microcontroller working signal end, air pump exhaust end connect air compressor air intake mouth, and air compressor exhaust port is separately connected the first air bag air inlet
Mouth and the second air bag air inlet；
Single-chip microcontroller pressure signal receiving end connects pressure sensor signal output end, the connection of Chip Microprocessor Temperature signal receiving end
Temperature sensor signal output end, single-chip microcontroller electromagnetic signal output end connect three-way magnetic valve signal receiving end, three-way magnetic valve
Control terminal is mounted at three-way pipeline, and single-chip microcontroller the first air bag working end connects the first air bag solenoid signal receiving end, monolithic
Machine the second air bag working end connects the second air bag solenoid signal receiving end, and the first air bag solenoid valve control end connects the first air bag
Air inlet, the second air bag solenoid valve control end connect the second air bag air inlet；
Vehicle lifting apparatus includes following work step:
S1 initializes single-chip microcontroller, and user's booster air pump inflates the first air bag and the second air bag simultaneously, makes to support shaft
With tire interface, user is by bit combination and tenses combination realization safe locking, after locking, to the first air bag and the second gas
Capsule inflation is to be lifted tire, and in order to guarantee the safety of lifting apparatus, interlayer is arranged in the first air bag and the second inside air bag, often
There is venthole between a interlayer, even if being abnormal in one of the first air bag and the second air bag gas replenishment process, will not make to lift
Liter device, which falls rapidly, causes danger；
S2 is lifted during tire, real-time monitoring is carried out by height of the range sensor to tire and ground, if reached
To preset height value, then shutoff signal is sent to the first air bag solenoid valve and the second air bag solenoid valve by single-chip microcontroller,
To stop being inflated the first air bag and the second air bag operation, while the data of pressure sensor are obtained in real time, pass through pressure
The air pressure of force snesor perception the first air bag and the second air bag sends corresponding barometric information if air pressure is reduced to setting value
To single-chip microcontroller, single-chip microcontroller sends the instruction that the first air bag solenoid valve and the second air bag solenoid valve are opened, thus by air pump to the
One air bag and the second air bag are inflated, if according to the first air bag of pressure sensor senses or the one of air bag of the second air bag
Pressure reduces, then sends work order to three-way magnetic valve by single-chip microcontroller, and the balloon positions reduced to pressure open corresponding electricity
The open command of magnet valve, while being monitored by distance of the range sensor to tire and ground, if tire and ground
When distance reduces, the instruction that the first air bag solenoid valve and the second air bag solenoid valve are opened is sent by single-chip microcontroller, by air pump to
First air bag and the second air bag are inflated simultaneously, if range sensor detect the distance on tire and ground do not change or after
It is continuous to reduce, police instruction is carried out by indicator light；
S3 after lifting finishes, sends control instruction to air pump by single-chip microcontroller, so that air pump is stopped working, air pump stops
After work, single-chip microcontroller controls the first air bag solenoid valve and the second air bag solenoid valve is opened, to make the first air bag and the second gas
Capsule is deflated simultaneously, when pressure sensor senses are reduced to zero to pressure, are opened link block, is controlled motor driven by single-chip microcontroller
Circuit makes the first support wheel stepper motor and the second support wheel stepper motor reverse motions, to open lifting apparatus.
S4, in lifting apparatus work, power end judges the stability of inputing power by overheating protection circuit, according to the
5 comparators judge whether that circuit temperature is more than threshold value, and the 6th transistor cutoff if not alreading exceed threshold value stops electric energy
Supply, if it does not exceed the threshold, the 6th transistor conductor transmits electric energy to the 4th comparator, the 4th comparator passes through the 2nd comparator
It is that judging result and current detection circuit and first timer judge simultaneously as a result, the 4th comparator comparison result is sent
To single chip microcomputer driving circuit, so that starting transformer, makes single-chip microcontroller work, current detection circuit and first timer need to meet
Condition be that current detection circuit detects the stability of electric current, be sent to the 7th comparator, first timer according to it is certain when
Between frequency work request is sent to the 7th comparator, the 7th comparator detects electric current under the temporal frequency of first timer
Compare, if overheating protection circuit and current detection circuit data detected are normal, stand-by circuit and second timer are opened
Beginning work, second timer is to the 13rd comparator sending time frequency, if overheating protection circuit and current detection circuit are examined
The data of survey are normal, then stand-by circuit thinks that the 9th comparator sends signal, carry out standby operation to integrated circuit, if overheat is protected
Protection circuit and current detection circuit data exception detected then send the 12nd comparator by restarting timer and believe
Number, carry out restarting operation.The stable power-supplying that can be realized single-chip microcontroller by the operation, it is abnormal in case of power supply power supply,
It is then able to carry out self-starting operation, automation control is realized, prevents circuit burnout, reduces the probability caused danger, guarantees peace
The full operation system.
The intelligent landing control method for vehicle lifting apparatus, it is preferred that the current detection circuit detection
After electric current transmission abnormality, alarm operation is carried out.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The pressure data for obtaining the lifting apparatus air bag in real time by pressure sensor, prevents contingency, lifting
User can be made to lift to feed back to user by the safe altitude that range sensor obtains lifting after to certain distance
In addition the state real-time awareness risen carries out real-time control aeration quantity by corresponding solenoid valve for two air bags, ensure that intelligence
It can accurately be lifted vehicle, so that working efficiency is improved, it is convenient and practical.
Collaborative Control is carried out to the first air bag and the second air bag by single-chip microcontroller, to enable lifting apparatus according to instruction
It cooperates, guarantees the safety of lifting state and the experience of user.
The stable power-supplying that can be realized single-chip microcontroller by the operation is then able to carry out certainly in case of power supply power supply exception
Start-up operation realizes automation control, prevents circuit burnout, reduces the probability caused danger, and guarantees the safety operation system.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is schematic diagram of the invention；
Fig. 2 is the setting schematic diagram of vertical plate in Fig. 1.
Fig. 3 is the setting schematic diagram of guide pad 4a in Fig. 1.
Fig. 4 is invention circuit connection diagram；
Fig. 5 is general illustration of the present invention；
Fig. 6 is specific embodiment of the invention schematic diagram；
Fig. 7 is power control circuit schematic diagram of the present invention；
Fig. 8 is working method schematic diagram of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
As shown in Figure 1-3, disclosing a kind of intelligent landing control method for vehicle lifting apparatus, including following system:
It is mainly made of lifting mechanism and positioning pulling assembly, wherein there are two lifting mechanisms, the two lifting mechanisms are symmetrically arranged at wheel
The both sides tire T.Lifting mechanism includes L shaped plate 1 and support shaft 5, and wherein the forward and backward side of the horizontal sides of L shaped plate 1 is correspondingly provided with one piece and stands
The vertical edge of plate 2, two pieces of vertical plates 2 and L shaped plate 1 forms a "U" shaped structure, and L shaped plate 1 and vertical plate 2 are steel plate.Two pieces
The left and right end of vertical plate 2 is correspondingly provided with a bar shaped pilot hole 2a, which is vertical holes.It is set between two pieces of vertical plates 2
There is a lifting air bag 3, which is supported in the horizontal sides of L shaped plate 1, and has one piece in lifting 3 top braces of air bag
Level lifting plate 4.When lifting air bag 3 swells, drive level lifting plate 4 is moved up.The level lifting forward and backward side of plate 4 is corresponding
Bar shaped pilot hole 2a is installed with 4 guide pad 4a, and guide pad 4a is slidably matched with corresponding bar shaped pilot hole 2a, to make water
Flat lifting plate 4 is slidably matched with two pieces of vertical plates 2.Support shaft 5 work when with tire T outer circle face contact, the two of the support shaft
End is rotatably assorted with mounting base 6, and mounting base 6 is installed in the corresponding end surface of horizontal lifting plate 4, and supports the effect one of shaft 5
It is to avoid damage tire to contact with tyre rotation, second is that having certain bit space that allows, guarantees two lifting mechanisms and wheel
Tire contacts well.The air inlet pipe 3a of the lifting air bag 3 of two lifting mechanisms is connected to main tracheae 7, the main tracheae and air compressor machine 8
It is connected, and is supplied by air compressor machine 8.
As shown in Figure 1-3, positioning pulling assembly is made of bit combination and tension combination, wherein bit combination is fixed by two
Position axis 9 and two abutment sleeves 10 are constituted, in which: the front side and rear side of locating shaft 9 and the separation of abutment sleeve 10 in tire T, and
9 end of locating shaft is fixed on horizontal lifting 4 end face of plate an of lifting mechanism, and the end of abutment sleeve 10 is fixed on other one
On horizontal lifting 4 end face of plate of a lifting mechanism.Locating shaft 9 is mating by proximal end with abutment sleeve 10, thus by two
The horizontal lifting plate 4 of lifting mechanism removably links together, and then positions to tire T.Locating shaft 9 and abutment sleeve
10 it is mating together after unilateral gap be 1-1.5mm, and can be more preferably 1.2 or 1.4mm.Locating shaft 9 and fixed
Position sleeve 10 is that steel part, locating shaft 9 and abutment sleeve are welded and fixed with corresponding horizontal lifting plate 4.
Tensing combination includes leveling screw 11 and locking nut 13, and wherein 11 number of leveling screw is two, is located at side by side
The front side of tire T and rear side, the head of this two leveling screws 11 and horizontal lifting 4 top surface of plate of a lifting mechanism are fixed.
Spacing between two locating shafts 9 is 40-70mm, and can be more preferably 60mm, and two locating shafts 9 are respectively provided at correspondence
The underface of a piece leveling screw 11.After the corresponding bolt through-hole tensed on seat 12 in the tail portion of two leveling screws 11, point
It is not set with locking nut 13, and two tense seat 12 and are installed on horizontal lifting 4 top surface of plate of another lifting mechanism, from
And the horizontal lifting plate 4 of two lifting mechanisms is tensed, and then tire T is limited.
As illustrated in figures 4-5, the lifting apparatus, comprising: intelligent terminal air pump control signal end connects air pump working signal end,
Intelligent terminal single-chip microcomputer signal end connects single-chip microcontroller working signal end, and air pump exhaust end connects air compressor air intake mouth, air compressor machine row
Port is separately connected the first air bag air inlet and the second air bag air inlet；
Single-chip microcontroller pressure signal receiving end connects pressure sensor signal output end, the connection of Chip Microprocessor Temperature signal receiving end
Temperature sensor signal output end, single-chip microcontroller electromagnetic signal output end connect three-way magnetic valve signal receiving end, three-way magnetic valve
Control terminal is mounted at three-way pipeline, and single-chip microcontroller the first air bag working end connects the first air bag solenoid signal receiving end, monolithic
Machine the second air bag working end connects the second air bag solenoid signal receiving end, and the first air bag solenoid valve control end connects the first air bag
Air inlet, the second air bag solenoid valve control end connect the second air bag air inlet.In order to distinguish lifting air bag 3 staggered relatively by its
In a lifting air bag be defined as the first air bag, another lifting air bag is defined as the second air bag.
The pressure data for obtaining the lifting apparatus air bag in real time by pressure sensor, prevents contingency, lifting
User can be made to lift to feed back to user by the safe altitude that range sensor obtains lifting after to certain distance
In addition the state real-time awareness risen carries out real-time control aeration quantity by corresponding solenoid valve for two air bags, ensure that intelligence
It can accurately be lifted vehicle, so that working efficiency is improved, it is convenient and practical.
As shown in figure 5, the intelligence lifting apparatus, carries out expanding connection use according to actual use situation, while controlling more
The lifting of a wheel operates, it is preferred that the intelligence lifting apparatus includes the first lifting apparatus, the second lifting apparatus, third lifting
Device and the 4th lifting apparatus, controlling terminal first are lifted signal end and connect the first lifting apparatus working signal end, controlling terminal
Second lifting signal end connects the second lifting apparatus working signal end, and controlling terminal third is lifted signal end connection third lifting dress
Working signal end is set, controlling terminal the two or four is lifted signal end and connects the 4th lifting apparatus working signal end.
As shown in Figure 6, it is preferred that microcontroller power supply end connects the 2nd capacitor one end, and the 2nd capacitor other end is separately connected surely
Depressor power input and relay normally open contact one end, the relay normally open contact other end are separately connected the first air bag solenoid valve
Signal receiving end and the second air bag solenoid signal receiving end, the first air bag solenoid valve control end connect first check-valve one end,
The first check-valve other end connects first air valve one end, and the first air valve other end connects the first air bag air inlet, the second air bag electricity
Magnet valve control terminal connects second check-valve one end, and the second check-valve other end connects second air valve one end, the second air valve other end
The second air bag air inlet is connected, voltage-stablizer power output end connects the 3rd capacitor one end, and it is anti-that the 3rd capacitor other end connects single-chip microcontroller
Feedback signal end, air pump working signal end are separately connected the relay normally open contact other end and single-chip microcontroller air pump working signal end, single
Piece machine crystal oscillator end parallel connection crystal oscillator, crystal oscillator one end is also respectively connected with the 4th capacitor one end and the 3rd capacitor other end, the 4th capacitor other end
The 5th capacitor one end is connected, the 5th capacitor other end connects the crystal oscillator other end, and single-chip microcontroller trigger signal end connects the 2nd resistance one end,
The 2nd resistance other end connects the 2nd diode cathode, and the 2nd diode cathode connects the 1st transistor base, the 1st transistor collector
Connect the 2nd capacitor other end, the 1st emitter ground connection, the 1st switch connection single-chip microcontroller start end, the 2nd switch connection monolithic
Machine stops end, and the 3rd switch connection single-chip microcontroller restarts end, and power control circuit signal end connects microcontroller power supply signal end, monolithic
Machine the first indication signal end connects the 1st resistance one end, and the 1st resistance other end connects the 1st capacitor one end, the 1st capacitor other end point
Not Lian Jie the 1st light emitting diode cathode and ground connection, the 1st light emitting diode anode connect the second indication signal of single-chip microcontroller end；
Intelligent terminal is using supercomputings equipment such as computer or laptop computers.
Single-chip microcontroller is preferably AT89C2051.
Voltage-stablizer is preferably 78L05.
As shown in fig. 7, alternating current output end connects fuse one end, the fuse other end connects rectifier bridge one end, rectifier bridge
One end is also connected with the 6th capacitor one end, and the 6th capacitor other end is separately connected the 7th capacitor one end and the 8th capacitor one end, and the 8th capacitor is another
One end ground connection, the 7th capacitor other end are separately connected the rectifier bridge other end and the 3rd resistance one end, and the 3rd resistance other end is separately connected
9th capacitor one end and the 4th diode cathode, the 9th capacitor other end ground connection, the 9th capacitor one end are also connected with the 1st end of transformer, become
The 5th end of depressor connects the 3rd diode cathode, and the 3rd diode cathode is separately connected the 12nd capacitor one end and the 13rd capacitor one end, the
13 capacitor one end are also respectively connected with the 4th resistance one end and the 1st inductance one end, the 12nd capacitor other end, the 13rd capacitor other end point
It is not grounded, the 4th resistance other end connects the 11st capacitor one end, and the 1st inductance other end is separately connected the 10th capacitor one end and power supply
Output end, the 10th capacitor other end are separately connected the 11st capacitor one end and ground connection, and the 11st capacitor other end is separately connected the 7th resistance
One end and the 14th capacitor one end, the 7th resistance other end connect the 15th capacitor one end, and the 15th capacitor other end is separately connected the 5th two
Pole pipe cathode and the 6th diode cathode, the 5th diode cathode are also connected with the 6th resistance one end, and the 5th diode cathode is separately connected
The 6th resistance other end and the 5th resistance one end, the 5th resistance other end are separately connected the 9th resistance one end and the 11st resistance one end, and the 9th
The resistance other end connects the 10th resistance one end, and the 10th resistance other end is separately connected the 14th capacitor other end and the 8th resistance one end,
The 11st resistance other end connects the 7th diode cathode, and the 7th diode cathode connects the 12nd resistance one end, the 12nd resistance other end
The 7th emitter is connected, the 7th transistor collector is separately connected the 8th resistance other end and ground connection, the 7th transistor base
It is separately connected the 13rd resistance one end and the 14th resistance one end, the 14th resistance other end ground connection, the 13rd resistance other end connection the 4th is opened
One end is closed, the 4th switch other end connects power output end, and the 8th resistance other end is also respectively connected with the 16th capacitor one end and the 6th two
Pole pipe anode, the 16th capacitor other end are separately connected the 14th capacitor one end and the 8th resistance one end；
Foregoing circuit is system start-up circuit, carries out control operation for starting single-chip microcontroller, reaches stable out-put supply, is prevented
The only effect that single-chip microcontroller is burnt.
Preferably, the 4th diode cathode connection the 3rd end of transformer, the 4th end of transformer the 17th capacitor one end of connection, the 17th
The capacitor other end is separately connected the 18th capacitor one end and the 3rd transistor collector, and the 3rd emitter connects the 9th diode
Cathode, the 18th capacitor other end are separately connected the 3rd transistor base and the 15th resistance one end, the 15th resistance other end connection the 8th
Diode cathode, the 8th diode cathode connect the 10th diode cathode, and the 3rd emitter connects the 9th diode cathode,
9th diode cathode is separately connected the 3rd transistor base and the 13rd diode cathode, and the 13rd diode cathode connects 5V power supply
End, the 13rd diode cathode are also connected with the 12nd diode cathode and the 20th capacitor one end, and the 12nd diode cathode is separately connected the
20 resistance one end and the 20th capacitor other end, the 20th resistance one end are also connected with the 19th resistance one end, the 19th resistance other end difference
The 20th capacitor one end and the 18th resistance one end, the 18th resistance other end ground connection are connected, the 9th diode cathode is also connected with restarting
Timer signal input terminal, restarting timer signal output end connect the 12nd comparator electrode input end, the 12nd comparator
Negative input ground connection, the 12nd comparator output terminal connect the 9th comparator first input end, the 10th diode cathode connection the 16th
Resistance one end, the 16th resistance other end are separately connected the 4th transistor base, and the 4th crystal emitter is separately connected the 19th capacitor one
End and the 11st diode cathode, the 11st diode cathode are separately connected the 4th transistor collector and ground connection, the 4th transistor current collection
Pole is also connected with the 19th capacitor other end and the 17th resistance one end, and the 17th resistance other end connects the 19th capacitor one end, the 11st 2 pole
Pipe cathode is also connected with the 13rd comparator and floats technology as read, and second timer signal output end connects the input of the 13rd comparator anode
End, the 13rd comparator output terminal connect the 11st comparator first input end, and restarting timer signal input terminal is also connected with the 2nd
Triode grid, the 2nd triode source electrode connect the 2nd end of transformer, and the 2nd triode drain electrode connection single chip microcomputer driving circuit signal is defeated
Outlet, single chip microcomputer driving circuit control signal input connect the 3rd comparator signal output end, the 3rd comparator electrode input end
The 24th capacitor one end is connected, the 24th capacitor other end ground connection, the 24th capacitor one end is also connected with 5V feeder ear, the 3rd comparator cathode
Input terminal is separately connected the 2nd comparator negative input and the 4th diode cathode, the 2nd comparator electrode input end connection the 23rd
Capacitor one end, the 23rd capacitor other end ground connection, the 23rd capacitor one end are also connected with 5V power end, and the 2nd comparator signal output end connects
The 4th comparator first input end is connect, the 4th comparator output terminal connects single chip microcomputer driving circuit working signal input terminal, and the 1st compares
Device negative input is separately connected the 2nd comparator negative input and the 6th comparator floats technology as read, and the 1st comparator anode is defeated
Enter end the 22nd capacitor one end of connection, the 22nd capacitor other end ground connection, the 22nd capacitor one end is also connected with 5V power end, the 1st comparator
Signal output end connects the 6th emitter, and the 6th transistor collector connects the 5th comparator signal output end, the 6th crystal
Pipe base stage is separately connected the 4th the second input terminal of comparator and the 5th transistor base, and the 13rd diode cathode is also respectively connected with electric current
Detection circuit signal input part and stand-by circuit signal input part, current detection circuit signal output end connect the 7th comparator the
One input terminal, the 7th the second input terminal of comparator connect first timer signal output end, the connection of the 7th comparator signal output end
5th emitter, the 8th comparator signal output end connect the 5th transistor collector, the 8th comparator first input end point
Not Lian Jie the first signal output end of stand-by circuit and the 9th comparator signal output end, the 9th comparator first input end connection it is standby
Circuit second signal output end, stand-by circuit second signal output end are also connected with the 11st the second input terminal of comparator.
Foregoing circuit, which is realized, stablizes transmission to power supply, improves the operational efficiency of single-chip microcontroller, saves time overhead,
Guarantee stable equipment operation.
Wherein, U1 is comparator, and U2 and U3 are UVLO summation comparator, and U5 threshold decision comparator, U6 is OVP over-voltage guarantor
Electric current is protected, U7, U9 and U11 are inclusion relation thresholding decision circuitry, and U8 is threshold decision comparator, and U10 and U12 are comparator,
U13 is comparator.
As shown in figure 8, the working method of above-mentioned intelligence landing control system, includes the following steps:
S1 initializes single-chip microcontroller, and user's booster air pump inflates the first air bag and the second air bag simultaneously, makes to support shaft
With tire interface, user is by bit combination and tenses combination realization safe locking, after locking, to the first air bag and the second gas
Capsule inflation is to be lifted tire, and in order to guarantee the safety of lifting apparatus, interlayer is arranged in the first air bag and the second inside air bag, often
There is venthole between a interlayer, even if being abnormal in one of the first air bag and the second air bag gas replenishment process, will not make to lift
Liter device, which falls rapidly, causes danger；
S2 is lifted during tire, real-time monitoring is carried out by height of the range sensor to tire and ground, if reached
To preset height value, then shutoff signal is sent to the first air bag solenoid valve and the second air bag solenoid valve by single-chip microcontroller,
To stop being inflated the first air bag and the second air bag operation, while the data of pressure sensor are obtained in real time, pass through pressure
The air pressure of force snesor perception the first air bag and the second air bag sends corresponding barometric information if air pressure is reduced to setting value
To single-chip microcontroller, single-chip microcontroller sends the instruction that the first air bag solenoid valve and the second air bag solenoid valve are opened, thus by air pump to the
One air bag and the second air bag are inflated, if according to the first air bag of pressure sensor senses or the one of air bag of the second air bag
Pressure reduces, then sends work order to three-way magnetic valve by single-chip microcontroller, and the balloon positions reduced to pressure open corresponding electricity
The open command of magnet valve, while being monitored by distance of the range sensor to tire and ground, if tire and ground
When distance reduces, the instruction that the first air bag solenoid valve and the second air bag solenoid valve are opened is sent by single-chip microcontroller, by air pump to
First air bag and the second air bag are inflated simultaneously, if range sensor detect the distance on tire and ground do not change or after
It is continuous to reduce, police instruction is carried out by indicator light；
S3 after lifting finishes, sends control instruction to air pump by single-chip microcontroller, so that air pump is stopped working, air pump stops
After work, single-chip microcontroller controls the first air bag solenoid valve and the second air bag solenoid valve is opened, to make the first air bag and the second gas
Capsule is deflated simultaneously, when pressure sensor senses are reduced to zero to pressure, are opened link block, is controlled motor driven by single-chip microcontroller
Circuit makes the first support wheel stepper motor and the second support wheel stepper motor reverse motions, to open lifting apparatus.
S4, in lifting apparatus work, power end judges the stability of inputing power by overheating protection circuit, according to the
5 comparators judge whether that circuit temperature is more than threshold value, and the 6th transistor cutoff if not alreading exceed threshold value stops electric energy
Supply, if it does not exceed the threshold, the 6th transistor conductor transmits electric energy to the 4th comparator, the 4th comparator passes through the 2nd comparator
It is that judging result and current detection circuit and first timer judge simultaneously as a result, the 4th comparator comparison result is sent
To single chip microcomputer driving circuit, so that starting transformer, makes single-chip microcontroller work, current detection circuit and first timer need to meet
Condition be that current detection circuit detects the stability of electric current, be sent to the 7th comparator, first timer according to it is certain when
Between frequency work request is sent to the 7th comparator, the 7th comparator detects electric current under the temporal frequency of first timer
Compare, if overheating protection circuit and current detection circuit data detected are normal, stand-by circuit and second timer are opened
Beginning work, second timer is to the 13rd comparator sending time frequency, if overheating protection circuit and current detection circuit are examined
The data of survey are normal, then stand-by circuit thinks that the 9th comparator sends signal, carry out standby operation to integrated circuit, if overheat is protected
Protection circuit and current detection circuit data exception detected then send the 12nd comparator by restarting timer and believe
Number, carry out restarting operation.The stable power-supplying that can be realized single-chip microcontroller by the operation, it is abnormal in case of power supply power supply,
It is then able to carry out self-starting operation, automation control is realized, prevents circuit burnout, reduces the probability caused danger, guarantees peace
The full operation system.
When vehicle lifting apparatus is arranged in each wheel, by intelligent terminal respectively to the first lifting apparatus, the second lift
It rises device, third lifting apparatus and the 4th lifting apparatus and carries out linkage control, rollover causes danger in order to prevent, and control first is put
The first lifting apparatus and the second lifting apparatus in headstock or the tailstock are set, when the gas of the first lifting apparatus and the second lifting apparatus
After capsule raises certain altitude, it is then lifted third lifting apparatus and the 4th lifting apparatus, real-time vapour is obtained by range sensor
The height value of vehicle and ground controls the first lifting apparatus, the second lifting apparatus, third lifting apparatus and according to the demand of user
Four lifting apparatus are lifted same or different height.
In addition, connecting four lifting apparatus by controlling terminal, controlling terminal is to lifting apparatus for lifting apparatus
When carrying out lifting operation, the first lifting apparatus and the second lifting apparatus simultaneously and synchronize and carry out lifting operation, to be uplifted to certain
When height, controlling terminal control third lifting apparatus and the 4th lifting apparatus carry out lifting operation, to the first lifting apparatus to the
When four lifting apparatus entirely reach preset height, air pump stops charge operation, is overhauled at this time, if terminating lifting behaviour
Make, controlling terminal controls corresponding solenoid valve and opens, and the air bag of the first lifting apparatus and the 4th lifting apparatus is carried out while being put
Gas operation terminates corresponding lifting work.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (2)
1. a kind of intelligent landing control method for vehicle lifting apparatus characterized by comprising the control of intelligent terminal air pump
Signal end connects air pump working signal end, and intelligent terminal single-chip microcomputer signal end connects single-chip microcontroller working signal end, air pump exhaust end
Air compressor air intake mouth is connected, air compressor exhaust port is separately connected the first air bag air inlet and the second air bag air inlet；
Single-chip microcontroller pressure signal receiving end connects pressure sensor signal output end, and Chip Microprocessor Temperature signal receiving end connects temperature
Sensor signal output end, single-chip microcontroller electromagnetic signal output end connect three-way magnetic valve signal receiving end, three-way magnetic valve control
End is mounted at three-way pipeline, and single-chip microcontroller the first air bag working end connects the first air bag solenoid signal receiving end, single-chip microcontroller the
Two air bag working ends connect the second air bag solenoid signal receiving end, and the first air bag solenoid valve control end connects the first air bag air inlet
Mouthful, the second air bag solenoid valve control end connects the second air bag air inlet；
Vehicle lifting apparatus includes following work step:
S1 initializes single-chip microcontroller, and user's booster air pump inflates the first air bag and the second air bag simultaneously, makes to support shaft and wheel
Tire contact, user realize safe locking by bit combination and tension combination, after locking, fill to the first air bag and the second air bag
Gas is to being lifted tire, and in order to guarantee the safety of lifting apparatus, interlayer is arranged in the first air bag and the second inside air bag, each every
There is venthole between layer, even if being abnormal in one of the first air bag and the second air bag gas replenishment process, lifting will not be made to fill
It sets to fall rapidly and causes danger；
S2 is lifted during tire, real-time monitoring is carried out by height of the range sensor to tire and ground, if reaching pre-
The height value first set then sends shutoff signal to the first air bag solenoid valve and the second air bag solenoid valve by single-chip microcontroller, thus
Stop being inflated the first air bag and the second air bag operation, while obtaining the data of pressure sensor in real time, is passed by pressure
Sensor perceives the air pressure of the first air bag and the second air bag, if air pressure is reduced to setting value, sends corresponding barometric information to list
Piece machine, single-chip microcontroller send the instruction that the first air bag solenoid valve and the second air bag solenoid valve are opened, thus by air pump to the first gas
Capsule and the second air bag are inflated, if according to the first air bag of pressure sensor senses or the one of gasbag pressure of the second air bag
Reduce, then work order is sent to three-way magnetic valve by single-chip microcontroller, the balloon positions reduced to pressure open corresponding solenoid valve
Open command, while being monitored by distance of the range sensor to tire and ground, if the distance of tire and ground
When reduction, the instruction that the first air bag solenoid valve and the second air bag solenoid valve are opened is sent by single-chip microcontroller, by air pump to first
Air bag and the second air bag are inflated simultaneously, if range sensor detects that the distance on tire and ground does not change or continue to subtract
It is small, police instruction is carried out by indicator light；
S3 after lifting finishes, sends control instruction to air pump by single-chip microcontroller, so that air pump is stopped working, air pump stops working
Later, single-chip microcontroller controls the first air bag solenoid valve and the second air bag solenoid valve is opened, to keep the first air bag and the second air bag same
Shi Fangqi opens link block when pressure sensor senses are reduced to zero to pressure, controls motor driven electricity by single-chip microcontroller
Road makes the first support wheel stepper motor and the second support wheel stepper motor reverse motions, to open lifting apparatus；
S4, in lifting apparatus work, power end judges the stability of inputing power by overheating protection circuit, according to the 5th ratio
Judge whether that circuit temperature is more than threshold value compared with device, the 6th transistor cutoff if alreading exceed threshold value stops electric energy supply, such as
Fruit is not above threshold value, and the 6th transistor conductor transmits electric energy to the 4th comparator, and the 4th comparator passes through the 2nd comparator judgement knot
Fruit and current detection circuit and first timer judge simultaneously as a result, sending monolithic for the 4th comparator comparison result
Drive circuit, so that starting transformer, makes single-chip microcontroller work, the condition that current detection circuit and first timer need to meet
For current detection circuit detects the stability of electric current, is sent to the 7th comparator, first timer is according to regular hour frequency
Work request is sent to the 7th comparator, the 7th comparator carries out detection comparison to electric current under the temporal frequency of first timer,
If overheating protection circuit and current detection circuit data detected are normal, stand-by circuit and second timer start work
Make, second timer is to the 13rd comparator sending time frequency, if overheating protection circuit and current detection circuit are detected
Data are normal, then stand-by circuit thinks that the 9th comparator sends signal, standby operation carried out to integrated circuit, if overheating protection is electric
Road and current detection circuit data exception detected then send signal to the 12nd comparator by restarting timer, into
Row restarting operation.
2. the intelligent landing control method according to claim 1 for vehicle lifting apparatus, which is characterized in that the electricity
After current detection circuit detects electric current transmission abnormality, alarm operation is carried out.
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| CN201711071493.8A CN107739002B (en) | 2017-11-03 | 2017-11-03 | Intelligent landing control method for vehicle lifting apparatus |
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| DE102007030107A1 (en) * | 2007-06-28 | 2009-01-02 | Ewo Fluid Power Gmbh | Carrier body i.e. chassis, aligning method for vehicle i.e. lorry, involves retransmitting electrical control signals from stroke support to safety and solenoid valves, and adjusting stroke support for alignment of body to target level |
| CN102398641A (en) * | 2010-09-15 | 2012-04-04 | 铨大企业有限公司 | Vehicle wheel axle lifting device |
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