CN205036208U - Pneumatic door control system and use passenger train of this system - Google Patents
Pneumatic door control system and use passenger train of this system Download PDFInfo
- Publication number
- CN205036208U CN205036208U CN201520585583.9U CN201520585583U CN205036208U CN 205036208 U CN205036208 U CN 205036208U CN 201520585583 U CN201520585583 U CN 201520585583U CN 205036208 U CN205036208 U CN 205036208U
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- valve
- pneumatic door
- pressure
- control system
- gas circuit
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Abstract
The utility model relates to a pneumatic door control system and use passenger train of this system, this pneumatic door control system be including the gas circuit that is used for being connected with pneumatic door's cylinder, control the pneumatic door switching, be equipped with the valve that is used for controlling the intake pressure of cylinder in the gas circuit, the gas circuit is equipped with in one side of the end of giving vent to anger near the valve and is used for detecting the valve goes out the pressure sensor of atmospheric pressure, pressure sensor with valve control connection, the play atmospheric pressure of self can be adjusted according to the pressure signal that pressure sensor arrived to the valve. The utility model provides a great, the technical problem that influences pneumatic door warning effect of noise when out -of -control pneumatic door opens closing speed and causes the pneumatic door switch among the prior art.
Description
Technical field
The utility model relates to a kind of pneumatic door control system and uses the passenger vehicle of this system.
Background technology
Passenger vehicle pneumatic door is divided into collapsible and swing type two kinds according to forms of motion, pneumatic door opening and closing many employings pneumatic door control system controls, control system mainly comprises gasholder, two five-way electromagnetic valves, cylinder and many tracheaes, and the gas outlet of gasholder is connected by the inlet end of tracheae with two five-way electromagnetic valves.Cylinder has two, each cylinder all has rodless cavity and rod chamber, two five-way electromagnetic valves are communicated with rodless cavity with the rod chamber of cylinder respectively, two five-way electromagnetic valves have first and open position, second and open position, when two five-way electromagnetic valves be positioned at first to open time, rodless cavity and the gasholder of cylinder are in connected state, gasholder is inflated to the rodless cavity of cylinder, air in the rod chamber of cylinder is released out, the piston of cylinder moves from rodless cavity to the direction of rod chamber, now, pneumatic door is opened; When two five-way electromagnetic valves be in second to open time, rod chamber and the gasholder of cylinder are in connected state, and gasholder is inflated to the rod chamber of cylinder, and the air in the rodless cavity of cylinder is released out, the piston of cylinder moves from rod chamber to the direction of rodless cavity, and now pneumatic door is closed.
Two five-way electromagnetic valves control pneumatic door and open or close by shifting one's position, two five-way electromagnetic valves are equivalent to the air pressure that a switch can not control to adjust gas circuit, because gasholder internal gas pressure is unstable, during each switch gate, Telescopic-cylinder speed can be different with amplitude, again because the actuation time of opening the door or closing the door is uncontrollable, make the control of whole control system dumb, meticulous; When gasholder internal gas pressure is larger, during switch gate, the speed of cylinder moving and amplitude are comparatively large, and pneumatic door produces very large noise, easily causes pneumatic door damage of components.In addition, control system is provided with differential pressure pickup, and when pneumatic door is subject to resistance in closing process, differential pressure pickup can control pneumatic door according to the pressure reduction detected and open, play early warning effect, prevent passenger from being crushed, if the air pressure gone out in gas tank is excessive, the speed of switch gate, differential pressure pickup can not respond in time, passenger can not react again in time, and control system can lose early warning effect, easily crushes passenger.
Utility model content
The purpose of this utility model is to provide a kind of pneumatic door control system, in order to solve the technical problem that noise when uncontrollable pneumatic door switch gate speed in prior art causes pneumatic door switch is comparatively large, affect pneumatic door early warning effect.The purpose of this utility model is also to provide a kind of passenger vehicle using this control system.
For achieving the above object, the utility model adopts following technical scheme:
Pneumatic door control system, comprise for be connected with the cylinder of pneumatic door, the gas circuit that controls pneumatic door opening and closing, described gas circuit is provided with the valve of the admission pressure for control cylinder, described gas circuit is provided with the pressure sensor for detecting described valve outlet pressure in the side near valve outlet side, described pressure sensor is connected with described Valve controlling, the outlet pressure of the pressure signal adjustment that described valve can detect according to pressure sensor self.
Described valve is electronically controlled proportional valve.
Described electronically controlled proportional valve is proportion relay valve, described proportion relay valve can regulate the size of electric current to control outlet pressure by PWM, the actual pressure that pressure sensor can record by pneumatic door control system and setup pressure value compare, and realize pressure closed loop control with the outlet pressure of control ratio relay valve by means of PID adjustment.
Gas circuit is provided with two five-way valves, and described proportion relay valve and pressure sensor are positioned at the side of two five-way valve inlet ends.
Described gas circuit is provided with the filter bowl for filtering gas in gas circuit.
Described pneumatic door is bus passenger door.
Passenger vehicle, comprise pneumatic door and pneumatic door control system, described pneumatic door control system comprise be connected with the cylinder of pneumatic door, for controlling the gas circuit of pneumatic door opening and closing, described gas circuit is provided with the valve of the admission pressure for control cylinder, described gas circuit is provided with the pressure sensor for detecting described valve outlet pressure in the side near valve outlet side, described pressure sensor is connected with described Valve controlling, and the pressure signal that described valve can detect according to pressure sensor regulates self outlet pressure.
Described valve is electronically controlled proportional valve.
Described electronically controlled proportional valve is proportion relay valve, described proportion relay valve can regulate the size of electric current to control outlet pressure by PWM, the actual pressure that pressure sensor can record by pneumatic door control system and setup pressure value compare, and realize pressure closed loop control with the outlet pressure of control ratio relay valve by means of PID adjustment.
Described gas circuit is provided with two five-way valves, and described electric control valve and pressure sensor are positioned at the side of two five-way valve inlet ends.
Advantageous Effects of the present utility model is: gas circuit is provided with the electric control valve of admission pressure in control cylinder, the side of electric control valve outlet side is provided with pressure sensor, pressure sensor can detect the actual outlet pressure of electric control valve, control system is by comparing the outlet pressure of reality with setup pressure value, the outlet pressure of electric control valve adjustment self, ensure cylinder intake pressure stability, even if the air pressure in gasholder is larger, entering into gas pressure in cylinder can regulable control, ensure that pneumatic door opening and closing is stablized, improve the functional performance of car load, avoid pneumatic door switch gate noise too large, the problem of fragile component, Simultaneous Switching door having stable behavior avoids passenger easily by the problem crushed.
Further improve as the utility model, described valve is proportion relay valve, and valve is electric control valve, and proportion relay valve regulates the size of electric current by PWM mode, thus controls electric control valve aperture with the outlet pressure of control ratio relay valve.By the actual pressure that pressure sensor records, and compare with setup pressure value, regulate by means of PID, realize pressure closed loop and control, and then the outlet pressure of control ratio relay valve, about PID regulates and actual pressure can be made to be stabilized in target pressure value.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of pneumatic door control system in the utility model passenger vehicle embodiment 1;
Fig. 2 is the performance plot of proportion relay valve;
In figure: 1, pneumatic door cylinder, 2, gasholder, 3, two five-way electromagnetic valves, 4, proportion relay valve, 5, pressure sensor, 6, filter bowl, 7, emergent vent valve.
Detailed description of the invention
The embodiment 1 of the utility model passenger vehicle, as Fig. 1, shown in Fig. 2, this passenger vehicle comprises pneumatic door and pneumatic door control system, described pneumatic door is bus passenger door, described pneumatic door control system comprises the gas circuit be connected with pneumatic door cylinder 1, the inlet end of gas circuit is connected with gasholder 2, gas circuit is provided with two five-way electromagnetic valves 3, two five-way electromagnetic valves 3 have first and open position, second opens position, position is opened in two five-way electromagnetic valve energising back valve core actions and then switching, when two five-way electromagnetic valves 3 be positioned at first to open time, rodless cavity and the gasholder of pneumatic door cylinder 1 are in connected state, gasholder is inflated to the rodless cavity of pneumatic door cylinder, air in the rod chamber of pneumatic door cylinder is released out, pneumatic door cylinder extends, pneumatic door is opened, when two five-way electromagnetic valves be in second to open time, rod chamber and the gasholder of pneumatic door cylinder are in connected state, and gasholder is inflated to the rod chamber of pneumatic door cylinder, and the air in the rodless cavity of pneumatic door cylinder is released out, pneumatic door cylinder shrinks, and pneumatic door is closed.
In order to can the admission pressure of control cylinder, air inlet pressure force value is enable to control in setup pressure value, the utility model is provided with the electric control valve of control cylinder admission pressure between two five-way electromagnetic valves 3 and gasholder 2, electric control valve is proportion relay valve 4, proportion relay valve 4 is positioned at the side of two five-way electromagnetic valve 3 inlet ends, proportion relay valve 4 regulates the size of electric current by PWM mode, thus controls electric control valve aperture with the outlet pressure of control ratio relay valve.The side of close proportion relay valve 4 outlet side of gas circuit is provided with can the pressure sensor 5 of detection ratio relay valve 4 outlet pressure, by the actual pressure that pressure sensor 5 records, and compare with setup pressure value, regulate by means of PID, realize pressure closed loop to control, and then the outlet pressure of control ratio relay valve, about PID regulates and actual pressure can be made to be stabilized in target pressure value, effect required for acquisition, even if the air pressure in gasholder is larger, under the effect of proportion relay valve and pressure sensor, entering into gas pressure in cylinder can regulable control, ensure that pneumatic door opening and closing is stablized, improve the functional performance of car load.
In the present embodiment, gas circuit is provided with filter bowl 6, and the gas in filter bowl 6 pairs of gas circuits filters, and filter bowl has two, and one of them is arranged on two between five-way electromagnetic valve and pressure sensor, avoids two contaminated blockings of five-way electromagnetic valve 3; Another in two filter bowls is arranged on the gas outlet place of two five-way electromagnetic valves, filters, environmental protection to the gas of discharging into the atmosphere.Be provided with emergent vent valve 7 between gasholder 2 and proportion relay valve 4, when emergency appears in passenger vehicle, emergent vent valve 7 can be opened and open pneumatic door.
In other embodiments of the present utility model, the electric control valve in pneumatic door control system can be can the proportioning valve of admission pressure in Linear Control cylinder.Electric control valve can also be safety valve or choke valve, and the outlet pressure of safety valve or choke valve is adjustable, the actual pressure control safety valve detected according to pressure sensor or the outlet pressure of choke valve.
In other embodiments of the present utility model, proportion relay valve in pneumatic door control system and pressure sensor can be arranged on the side that two five-way electromagnetic valves deviate from inlet end, now, need to arrange two groups of proportion relay valves and pressure sensor, be separately positioned on two branch roads of gas circuit.
The embodiment of the utility model pneumatic door control system, pneumatic door control system, as above-mentioned, for avoiding repetition, does not repeat again.
The utility model pneumatic door control system can also for the car door of his vehicles such as case lorry, school bus.
Claims (10)
1. pneumatic door control system, comprise for be connected with the cylinder of pneumatic door, the gas circuit that controls pneumatic door opening and closing, it is characterized in that: described gas circuit is provided with the valve of the admission pressure for control cylinder, described gas circuit is provided with the pressure sensor for detecting described valve outlet pressure in the side near valve outlet side, described pressure sensor is connected with described Valve controlling, the outlet pressure of the pressure signal adjustment that described valve can detect according to pressure sensor self.
2. pneumatic door control system according to claim 1, is characterized in that: described valve is electronically controlled proportional valve.
3. pneumatic door control system according to claim 2, it is characterized in that: described electronically controlled proportional valve is proportion relay valve, described proportion relay valve can regulate the size of electric current to control outlet pressure by PWM, the actual pressure that pressure sensor can record by pneumatic door control system and setup pressure value compare, and realize pressure closed loop control with the outlet pressure of control ratio relay valve by means of PID adjustment.
4. pneumatic door control system according to claim 3, is characterized in that: gas circuit is provided with two five-way valves, and described proportion relay valve and pressure sensor are positioned at the side of two five-way valve inlet ends.
5. the pneumatic door control system according to claim 1-4 any one, is characterized in that: described gas circuit is provided with the filter bowl for filtering gas in gas circuit.
6. the pneumatic door control system according to claim 1-4 any one, is characterized in that: described pneumatic door is bus passenger door.
7. passenger vehicle, comprise pneumatic door and pneumatic door control system, described pneumatic door control system comprise be connected with the cylinder of pneumatic door, for controlling the gas circuit of pneumatic door opening and closing, it is characterized in that: described gas circuit is provided with the valve of the admission pressure for control cylinder, described gas circuit is provided with the pressure sensor for detecting described valve outlet pressure in the side near valve outlet side, described pressure sensor is connected with described Valve controlling, and the pressure signal that described valve can detect according to pressure sensor regulates self outlet pressure.
8. passenger vehicle according to claim 7, is characterized in that: described valve is electronically controlled proportional valve.
9. passenger vehicle according to claim 8, it is characterized in that: described electronically controlled proportional valve is proportion relay valve, described proportion relay valve can regulate the size of electric current to control outlet pressure by PWM, the actual pressure that pressure sensor can record by pneumatic door control system and setup pressure value compare, and realize pressure closed loop control with the outlet pressure of control ratio relay valve by means of PID adjustment.
10. passenger vehicle according to claim 9, is characterized in that: described gas circuit is provided with two five-way valves, and described electronically controlled proportional valve and pressure sensor are positioned at the side of two five-way valve inlet ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585583.9U CN205036208U (en) | 2015-08-06 | 2015-08-06 | Pneumatic door control system and use passenger train of this system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585583.9U CN205036208U (en) | 2015-08-06 | 2015-08-06 | Pneumatic door control system and use passenger train of this system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036208U true CN205036208U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520585583.9U Expired - Fee Related CN205036208U (en) | 2015-08-06 | 2015-08-06 | Pneumatic door control system and use passenger train of this system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036208U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150254A (en) * | 2016-08-28 | 2016-11-23 | 安徽安凯汽车股份有限公司 | A kind of inner swing door pneumatic control system for city bus |
| CN106193881A (en) * | 2016-09-05 | 2016-12-07 | 厦门丰泰国际新能源汽车有限公司 | A kind of automobile pipeline controls door opening and closing system |
| CN106761124A (en) * | 2017-01-12 | 2017-05-31 | 赵文刚 | The pneumatic translation door of hyperbaric oxygen chamber infrared induction protection safety type |
| CN108222746A (en) * | 2017-12-29 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of luggage compartment door control system and its control method |
-
2015
- 2015-08-06 CN CN201520585583.9U patent/CN205036208U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150254A (en) * | 2016-08-28 | 2016-11-23 | 安徽安凯汽车股份有限公司 | A kind of inner swing door pneumatic control system for city bus |
| CN106193881A (en) * | 2016-09-05 | 2016-12-07 | 厦门丰泰国际新能源汽车有限公司 | A kind of automobile pipeline controls door opening and closing system |
| CN106761124A (en) * | 2017-01-12 | 2017-05-31 | 赵文刚 | The pneumatic translation door of hyperbaric oxygen chamber infrared induction protection safety type |
| CN108222746A (en) * | 2017-12-29 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of luggage compartment door control system and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20180806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |