The content of the invention
Based on above mentioned problem, passenger safety is protected the invention provides a kind of airport ferry push security system,
To avoid due to ferry bus accident parking, it is impossible to quickly dragged away from danger caused by scene.
To reach above-mentioned purpose, the present invention provides a kind of airport ferry push security system, and it includes inflation/deflation
Mechanism and controlling organization.
Inflation/deflation mechanism includes:Gas receiver, hand brake valve, the first magnetic valve, quick release valve, brake chamber
And vent valve, wherein, gas receiver and hand brake valve are connected by the first pipeline, one end of the first pipeline with
One end connection of main line, the other end of main line is connected with quick release valve, and gas receiver and the first magnetic valve are logical
The connection of the second pipeline is crossed, the second pipeline is connected with one end of main line, vent valve is arranged at and connects with main line
On the 3rd logical branch road, it is used to switch being turned on and off for the 3rd branch road.
Controlling organization includes signal transducer and controller, and sensor is used to sense the traveling of airport ferry push
The vehicle door status of state and airport ferry push, controller is used to receive the transport condition signal from sensor
With vehicle door status signal, and corresponding control signal is sent according to transport condition signal and vehicle door status signal.
Wherein, controlling organization also includes emergent releasing brake switch, when sensor senses airport ferry push
It is when being closed in halted state and car door and emergent when releasing brake switch and being not switched on, control
Device sends the first control signal so that hand brake valve is switched to normally open, and vent valve is switched to often
Closed state, the gas in gas receiver is inflated via hand brake valve and quick release valve to brake chamber so that airport
Ferry bus releases braking.
When sensor is sensed, airport ferry push is in halted state and car door is closed, and emergent
When releasing brake switch opening, controller sends the second control signal so that the first magnetic valve is switched to
Normally open, vent valve is switched to normally off, and the gas in gas receiver is via the first magnetic valve and soon
Put valve to be inflated to brake chamber so that airport ferry push releases braking.
The present invention is compared to the beneficial effect of prior art:Airport ferry push security system of the invention
Need not operate hand brake valve, more without unscrewed using manual wrench the nut on brake chamber top bolt come
Release braking, it is only necessary to open emergent releasing brake switch, controller sends control to corresponding magnetic valve immediately
Signal, gas receiver is inflated immediately, realizes that Rapid reversal is braked.Therefore, when hand brake valve failure, need by
When quickly dragging scene away from using the airport ferry push between terminal and remote seat in the plane aircraft, using this hair
The Rapid reversal braking in a short time of bright airport ferry push security system, is easy to trailer rapidly to put airport
Cross car and quickly drag airport away from, it is to avoid occur suddenly hand brake valve be unable to Rapid reversal parking braking and can not be fast
Speed drags scene away from, and causes unexpected danger, protects passenger safety.
Specific embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can
Implement in a variety of forms, and be not understood as limited to implementation method set forth herein;Conversely, there is provided this
A little implementation methods cause the present invention more comprehensively and completely, and the design of example embodiment is comprehensively passed on
To those skilled in the art.In figure, in order to clear, the thickness of region and layer is may be exaggerated.
Identical reference represents same or similar structure in figure, thus will omit their detailed description.
Additionally, described feature, structure or characteristic can in any suitable manner combine at one or
In more embodiments.In the following description, there is provided many details are so as to be given to reality of the invention
Apply fully understanding for example.It will be appreciated, however, by one skilled in the art that technology of the invention can be put into practice
Scheme without the specific detail in it is one or more, or can using other methods, constituent element,
Material etc..In other cases, it is not shown in detail or describes known features, material or operation to avoid
Obscure major technique intention of the invention.
Shown in reference picture 1, the present invention provides a kind of airport ferry push security system, and it includes charge and discharge mechanism of qi
Structure and controlling organization.Inflation/deflation mechanism includes:It is gas receiver 1, hand brake valve 2, the first magnetic valve 3, fast
Valve 4, brake chamber 5 and vent valve 6 are put, wherein, gas receiver 1 and hand brake valve 2 pass through the first pipeline
L1 is connected, and one end of the first pipeline L1 connects with one end of main line L0, the other end of main line L0
Connected with quick release valve 4, the magnetic valve 3 of gas receiver 1 and first is connected by the second pipeline L2, the second pipe
Road L2 is connected with one end of main line L0, and vent valve 6 is arranged at the 3rd connected with main line L0
On the L3 of road, it is used to switch being turned on and off for the 3rd branch road L3.
Controlling organization includes signal transducer (not shown) and controller (not shown), and sensor is used for
The transport condition of airport ferry push and the vehicle door status of airport ferry push are sensed, such as sensor may include to use
Car door shape in the traveling sensor of the transport condition of sensing airport ferry push and for sensing airport ferry push
The door sensor of state.Controller is used to receive transport condition signal and vehicle door status signal from sensor,
And corresponding control signal is sent according to transport condition signal and vehicle door status signal.
Wherein, controlling organization also includes emergent releasing brake switch.When sensor senses airport ferry push
It is when being closed in halted state and car door and emergent when releasing brake switch and being not switched on, represent
Vehicle can normally be started, sensor sends passenger doors shutdown signal to controller, and controller sends the first control
Signal processed so that hand brake valve 2 is switched to normally open, vent valve 6 is switched to normally off,
Gas in gas receiver 1 is inflated via hand brake valve 2 and quick release valve 4 to brake chamber so that put on airport
Cross car and release braking, start running.
When sensor is sensed, airport ferry push is in halted state and car door is closed, if need to stand
When starting vehicle, for example, in hand brake valve 2 in the case where parking braking can not be released, it is necessary to will
Scene is quickly dragged away from using the airport ferry push between terminal and remote seat in the plane aircraft, emergent releasing is made
When dynamic switch is opened, now, controller sends the second control signal so that the first magnetic valve 3 is switched
It is normally open, vent valve 6 is switched to normally off, therefore, between gas receiver 1 and quick release valve 4
The second pipeline L2 be opened, the gas in gas receiver 1 via the first magnetic valve 3 and quick release valve 4 to
Brake chamber 5 is inflated so that airport ferry push releases braking.
This process need not operate hand brake valve, more without unscrewing brake chamber top bolt using manual wrench
On nut release braking, it is only necessary to open it is emergent release brake switch, controller is immediately to corresponding electromagnetism
Valve sends control signal, and gas receiver is inflated immediately, realizes that Rapid reversal is braked.Therefore, hand brake valve is worked as
Failure, when the airport ferry push that need to be used between terminal and remote seat in the plane aircraft quickly drags scene away from,
Using above-described embodiment, Rapid reversal is braked in a short time, is easy to trailer to make airport ferry push fast rapidly
Speed drags airport away from, it is to avoid hand brake valve occurs suddenly and is unable to Rapid reversal parking braking and can not quickly drag away from
Scene, and cause unexpected danger.
Schematic diagram according to the embodiment of airport ferry push security system one of the present invention as shown in Figure 2, charge and discharge
Mechanism of qi structure may also include the second magnetic valve 7, and the second magnetic valve 7 is arranged on main line L0, and with first
Pipeline L1 and the second pipeline L2 are connected, and allow hand over the connection and the of the first pipeline L1 and main line L0
The connection of two pipeline L2 and main line L0.
When sensor senses airport ferry push to be in halted state and car door and be closed, and should
When anxious releasing brake switch is not switched on, expression can normally start vehicle, and sensor sends to controller and multiplies
Thus objective door shutdown signal, controller sends the first control signal so that hand brake valve 2 is normally open,
Vent valve 6 is switched to normally off, and thus, the pipeline between gas receiver 1 and quick release valve 4 is opened,
And tie point L1 is closed, the gas in the first gas receiver 1 is via hand brake valve 2, the first magnetic valve
3 and quick release valve 4 inflated to brake chamber 5 so that airport ferry push release braking, start running, its
Operating principle is as shown in Figure 3.
When sensor is sensed, airport ferry push is in halted state and car door is closed, and emergent
When releasing brake switch and opening, sensor sends passenger doors shutdown signal to controller, and controller sends the
Two control signals so that the first magnetic valve 3 is switched to normally open, vent valve 6 is switched to normally closed
State, the second magnetic valve 7 switches to the first pipeline L1 and main line L0 and closes, and the second pipeline L2
Connected with main line L0, therefore, the gas in gas receiver 1 can be via first the 3, second electricity of magnetic valve
Magnet valve 7 and quick release valve 4 are inflated to brake chamber 5 so that airport ferry push releases braking, and its action is former
Reason is as shown in Figure 4.
Wherein, the second magnetic valve 7 is shuttle valve, and its switching principle is:When the gas in gas receiver 1 via
When first magnetic valve 3 enters the second magnetic valve 7, the second pipeline L2 is connected with main line L0, and first
Connection between pipeline L1 and main line L0 is cut off, and gas further enters fast via main line L0
Put in valve 8 and brake chamber 5, as shown in Figure 4.
Similarly, as shown in figure 3, when the gas in gas receiver 1 enters the second electromagnetism via hand brake valve 2
During valve 7, the first pipeline L1 is connected with main line L0, and between the second pipeline L2 and main line L0
Connection is cut off, and gas further enters in quick release valve 8 and brake chamber 5 via main line L0.Cause
This, the first pipeline L1 and that automatically switches can be flowed using shuttle valve as the second magnetic valve 7 by gas
Two pipeline L2 respectively with the connected state of main line L0, be easy to operation.
In one embodiment, as shown in Fig. 2 gas receiver 1 may include the storages of the first gas receiver 1-1 and second
Inflator 1-2, the first gas receiver 1-1 and hand brake valve 2 are connected by the first pipeline L1, the second gas receiver
1-2 and the first magnetic valve 3 are connected by the second pipeline L2, consequently facilitating the inflation of each pipeline of independent control,
Deflate.
In addition, brake chamber 5 can be composite braking air chamber, the quantity of brake chamber can be multiple, its point
Do not connected with quick release valve 4.
In one embodiment, as shown in Fig. 2 vent valve 6 may also include silencer 7, gas can be via
Silencer 8 is discharged, so as to reduce brake noise.
In sum, airport ferry push security system of the invention need not operate hand brake valve, need not more adopt
Unscrew the nut on brake chamber top bolt with manual wrench to release braking, it is only necessary to open emergent releasing
Brake switch, controller sends control signal to corresponding magnetic valve immediately, and gas receiver is inflated immediately, realizes
Rapid reversal is braked.Therefore, when hand brake valve failure, need to be used in terminal and remote seat in the plane aircraft it
Between airport ferry push when quickly dragging scene away from, using airport ferry push security system of the invention short
Rapid reversal braking, is easy to trailer airport ferry push is quickly dragged airport away from rapidly in time, it is to avoid suddenly
There is hand brake valve to be unable to Rapid reversal parking braking and can not quickly drag scene away from, and cause unexpected danger
Danger, protects passenger safety.
Although exemplary embodiment describing the present invention with reference to several, it is to be understood that, term used is
Illustrate and exemplary and nonrestrictive term.Because the present invention can be embodied in a variety of forms
Do not depart from the spiritual or substantive of invention, it should therefore be appreciated that above-described embodiment be not limited to it is any foregoing thin
Section, and widely explained in the spirit and scope that should be limited in appended claims, therefore fall into right
It is required that or the whole in its equivalent scope changes and remodeling all should be appended claims and be covered.