CN102747916B - Shielding door control system, shielding door device and shielding door control method - Google Patents
Shielding door control system, shielding door device and shielding door control method Download PDFInfo
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- CN102747916B CN102747916B CN201210248602.XA CN201210248602A CN102747916B CN 102747916 B CN102747916 B CN 102747916B CN 201210248602 A CN201210248602 A CN 201210248602A CN 102747916 B CN102747916 B CN 102747916B
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Abstract
The invention relates to the field of pneumatic control, and particularly relates to a shielding door control system, a shielding door device and a shielding door control method. The shielding door device comprises a door frame and door leaves, wherein two sets of sliding block bases are assembled on the door frame; the sliding block bases can move up and down and are provided with dovetail grooves; two fixed sliding rods are installed on the door leaves; a sliding block in match with the sliding block bases is designed on the sliding rods; and the shielding door device further comprises a shielding door control system which comprises a cylinder, two five-way valves, a first door opening button, a second door opening button, a shuttle valve, a mechanical valve, an air reservoir barrel, a spring reset valve, a first logic valve and a second logic valve. The closing and the opening of a shielding door are realized by using the shielding door control method. With the adoption of the shielding door control method, the system and the device, the operation strength of the shielding door during a door opening and closing process is reduced greatly; the shielding door is good in tightness, needs no power, and is high in security and strong in reliability; and the condition that operation personnel is counter-locked is avoided.
Description
Technical field
The present invention relates to pneumatic control field, be specifically related to a kind of screen door control system, door apparatus and shielded gate controlling method.
Background technique
Current domestic shielded gate mainly adopts manually opened and two kinds of modes of electric opening.
The shielded gate of manually opened mode is divided into doorframe and door leaf two-part.Doorframe two ends are equipped with the fixing slider seat of two cuff dovetail grooves, and a slide bar moving up and down is installed on door leaf, and slide bar two ends are provided with the slide block matching with doorframe two ends dovetail groove.In the middle of door leaf slide bar, handle is installed, handle with sleeve, band moving slide-bar two ends slide block slides in doorframe dovetail groove, thereby door leaf is deviate from or locked from doorframe.
The shielded gate of electric opening mode is divided into doorframe and door leaf two-part.Doorframe two ends are equipped with the two covers slider seat with dovetail groove moving up and down, are equipped with a fixing slide bar on door leaf, and slide bar two ends are provided with the slide block mating with doorframe dovetail groove.Move up and down by the slider seat with dovetail groove on driven by motor doorframe, thereby realize door leaf deviate from or lock from doorframe.
Because shielded gate need to have good sealing effect, so airtight very tight of door leaf and doorframe.The shielded gate switch gate effort of manually opened mode, and in order to make user's hand switch door laborsaving, must control seal degree, but this will have influence on the sealing effect of shielded gate; The shielded gate of electric opening mode need to provide electric power, if blackout just cannot be opened shielded gate, reliability is low, and shielded gate entirety is Structural Hardware, has the potential safety hazard of electric leakage, and Security is low.
Summary of the invention
The invention provides a kind of shielded gate controlling method and system and device, can improve safety and reliability.
In order to achieve the above object, technological scheme of the present invention is achieved in that
A kind of screen door control system, comprise cylinder, two five-way valve, the first door open button and the second door open button, shuttle valve, mechanical valve, gas receiver, spring reset valve, the first logical valve and the second logical valves, the suction port of described mechanical valve is connected with compressed air gas source, and the air outlet of described mechanical valve is connected with the forward signal air pipe interface of described two five-way valves; The main gas circuit suction port of described spring reset valve, spring pressure suction port, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button, the air outlet of the second door open button are connected with compressed air gas source respectively; The gas receiver air outlet of described spring reset valve is connected with the gas receiver gas circuit suction port of described shuttle valve and the second suction port of described the first logical valve respectively, and the gas receiver suction port of described spring reset valve is connected with described gas receiver; The air outlet of described shuttle valve is connected with the main gas circuit suction port of described two five-way valves; The air outlet of described the first door open button is connected with the second suction port of described the second logical valve, and the air outlet of described the second door open button is connected with the first suction port of described the second logical valve; The air outlet of described the second logical valve is connected with the first suction port of described the first logical valve, and the air outlet of described the first logical valve is connected with the reverse signal air pipe interface of described two five-way valves; The forward air outlet of described two five-way valves is connected with the forward suction port of described cylinder, and the reverse air outlet of described two five-way valves is connected with the reverse suction port of described cylinder.
Further, described screen door control system also comprises filter; The suction port of described filter is connected with compressed air gas source, and air outlet is connected with main gas circuit suction port and spring pressure suction port, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button, the suction port of described the second door open button of the suction port of described mechanical valve, described spring reset valve.
Further, described screen door control system also comprises Decompression valves; Described Decompression valves is placed on the secondary air outlet of described spring reset valve.
A kind of door apparatus, comprise doorframe and door leaf, on described doorframe, be equipped with the two covers slider seat with dovetail groove moving up and down, two fixing slide bars are installed on described door leaf, on described slide bar, be designed with the slide block matching with described slider seat, described door apparatus also comprises screen door control system, described screen door control system, comprise cylinder, two five-way valves, the first door open button and the second door open button, shuttle valve, mechanical valve, gas receiver, spring reset valve, the first logical valve and the second logical valve, the suction port of described mechanical valve is connected with compressed air gas source, the air outlet of described mechanical valve is connected with the forward signal air pipe interface of described two five-way valves, main gas circuit suction port and the spring pressure suction port of described spring reset valve, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button, the air outlet of the second door open button is connected with compressed air gas source, the gas receiver air outlet of described spring reset valve is connected with the gas receiver gas circuit suction port of described shuttle valve and the second suction port of described the first logical valve respectively, the gas receiver suction port of described spring reset valve is connected with described gas receiver, the air outlet of described shuttle valve is connected with the main gas circuit suction port of described two five-way valves, the air outlet of described the first door open button is connected with the second suction port of described the second logical valve, the air outlet of described the second door open button is connected with the first suction port of described the second logical valve, the air outlet of described the second logical valve is connected with the first suction port of described the first logical valve, the air outlet of described the first logical valve is connected with the reverse signal air pipe interface of described two five-way valves, the forward air outlet of described two five-way valves is connected with forward suction port and the reverse suction port of described cylinder respectively with reverse air outlet, described screen door control system is built in doorframe, and the piston push rod of described cylinder is connected with the described slider seat with dovetail groove.
Further, described screen door control system also comprises filter; The suction port of described filter is connected with compressed air gas source, and air outlet is connected with main gas circuit suction port and spring pressure suction port, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button, the suction port of described the second door open button of the suction port of described mechanical valve, described spring reset valve.
Further, described screen door also comprises Decompression valves; Described Decompression valves is placed on the secondary air outlet of described spring reset valve.
A kind of shielded gate controlling method, the method comprises: the suction port of mechanical valve is connected with compressed air gas source, the air outlet of mechanical valve is connected with the forward signal air pipe interface of two five-way valves, by the main gas circuit suction port of spring reset valve, spring pressure suction port, the main gas circuit suction port of shuttle valve, the air outlet of the suction port of the first door open button and the second door open button is connected with compressed air gas source respectively, the second suction port of the gas receiver gas circuit suction port of shuttle valve and described the first logical valve is connected with the gas receiver air outlet of spring reset valve respectively, the gas receiver suction port of spring reset valve is connected with gas receiver, the air outlet of shuttle valve is connected with the main gas circuit suction port of two five-way valves, the air outlet of the first door open button is connected with the second suction port of the second logical valve, the air outlet of the second door open button is connected with the first suction port of the second logical valve, the air outlet of the second logical valve is connected with the first suction port of the first logical valve, the air outlet of the first logical valve is connected with the reverse signal air pipe interface of two five-way valves, the forward air outlet of two five-way valves is connected with the forward suction port of cylinder, the reverse air outlet of two five-way valves is connected with the reverse suction port of cylinder, screen door control system is built in doorframe, the piston push rod of cylinder is connected with the slider seat with dovetail groove.Slider seat with dovetail groove moving up and down two covers is arranged on doorframe, two fixing slide bars are arranged on door leaf; Pressurized air promotes cylinder piston, and cylinder piston drives piston push rod to move, and piston push rod drives slider seat to move, and the movement of slider seat makes slider seat and slide bar locking or deviates from, and controls closing the door and opening the door of shielded gate.
Further, the suction port of filter is connected with compressed air gas source, and air outlet is connected with the main gas circuit suction port of the suction port of mechanical valve, spring reset valve, spring pressure suction port, the main gas circuit suction port of shuttle valve, the suction port of the first door open button, the suction port of the second door open button respectively.
Further, Decompression valves is placed on the secondary air outlet of spring reset valve.
Compared with prior art, due to screen door control system, door apparatus and shielded gate controlling method described in technological scheme of the present invention and without electric power is provided, safe.Technological scheme of the present invention comprises gas receiver, and in the situation that source of the gas disconnects, gas receiver is door apparatus air feed as bailout gas, ensures that operator can not be locked, and reliability is strong.Technological scheme of the present invention adopts the switch of atmospheric control control shielded gate in addition, and switch gate process only need give the button a slight press, and therefore technological scheme of the present invention has significantly reduced manipulation strength; Switch gate process does not need manpower, shielded gate good airproof performance.。
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention, will the accompanying drawing of required use in embodiment be briefly described below.
Fig. 1 is a kind of screen door control system of the embodiment of the present invention and the gas circuit structure figure of device;
Fig. 2 is a kind of shielded gate controlling method accompanying drawing of the embodiment of the present invention.
Embodiment
As shown in Figure 1, a kind of screen door control system, comprise cylinder 3, two five-way valves 11, the first door open button 4 and the second door open button 5, shuttle valve 10, mechanical valve 2, gas receiver 9, spring reset valve 8, the first logical valve 6 and the second logical valves 7, the suction port A1 mouth of described mechanical valve 2 is connected with compressed air gas source, and the air outlet A2 of described mechanical valve 2 is connected with the forward signal air pipe interface D3 of described two five-way valves 11; The main gas circuit suction port G1 mouth of described spring reset valve 8, spring pressure suction port G3 mouth, the main gas circuit suction port F1 mouth of described shuttle valve 10, the suction port E1 mouth of described the first door open button 4, the air outlet K1 mouth of the second door open button 5 are connected with compressed air gas source respectively; The gas receiver air outlet G2 mouth of described spring reset valve 8 is connected with the gas receiver gas circuit suction port F2 mouth of described shuttle valve 10 and the second suction port H3 of described the first logical valve 6 respectively, and the gas receiver suction port G4 mouth of described spring reset valve 8 is connected with described gas receiver 9; The air outlet F3 mouth of described shuttle valve 10 is connected with the main gas circuit suction port D5 mouth of described two five-way valves 11; The air outlet E2 mouth of described the first door open button 4 is connected with the second suction port J3 mouth of described the second logical valve 7, and the air outlet K2 mouth of described the second door open button 5 is connected with the first suction port J1 mouth of described the second logical valve 7; The air outlet J2 of described the second logical valve 7 is connected with the first suction port H1 mouth of described the first logical valve 6, and the air outlet H2 mouth of described the first logical valve 6 is connected with the reverse signal air pipe interface D4 mouth of described two five-way valves 11; The forward air outlet D1 mouth of described two five-way valves 11 is connected with the forward suction port C1 mouth of described cylinder 3, and the reverse air outlet D2 mouth of described two five-way valves 11 is connected with the reverse suction port C2 mouth of described cylinder 3.
Preferably, described screen door control system also comprises filter 1; The suction port L1 mouth of described filter 1 is connected with compressed air gas source, and air outlet L2 mouth is connected with main gas circuit suction port G1 mouth and spring pressure suction port G3 mouth, the main gas circuit suction port F1 mouth of described shuttle valve 10, the suction port E1 mouth of described the first door open button 4, the suction port K1 mouth of described the second door open button 5 of the suction port A1 mouth of described mechanical valve 2, described spring reset valve 8.
Preferably, described screen door control system also comprises Decompression valves; Described Decompression valves is placed on the secondary air outlet G5 mouth of described spring reset valve 8.
A kind of door apparatus, comprise doorframe and door leaf, on described doorframe, be equipped with the two covers slider seat with dovetail groove moving up and down, two fixing slide bars are installed on described door leaf, on described slide bar, be designed with the slide block matching with described slider seat, described door apparatus also comprises screen door control system; Described screen door control system, comprise cylinder 3, two five-way valves 11, the first door open button 4 and the second door open button 5, shuttle valve 10, mechanical valve 2, gas receiver 9, spring reset valve 8, the first logical valve 6 and the second logical valves 7, the suction port A1 mouth of described mechanical valve 2 is connected with compressed air gas source, and the air outlet A2 of described mechanical valve 2 is connected with the forward signal air pipe interface D3 of described two five-way valves 11; The main gas circuit suction port G1 mouth of described spring reset valve 8 and the main gas circuit suction port F1 mouth of spring pressure suction port G3 mouth, described shuttle valve 10, the suction port E1 mouth of described the first door open button 4, the air outlet K1 mouth of the second door open button 5 are connected with compressed air gas source; The gas receiver air outlet G2 mouth of described spring reset valve 8 is connected with the gas receiver gas circuit suction port F2 mouth of described shuttle valve 10 and the second suction port H3 of described the first logical valve 6 respectively, and the gas receiver suction port G4 mouth of described spring reset valve 8 is connected with described gas receiver 9; The air outlet F3 mouth of described shuttle valve 10 is connected with the main gas circuit suction port D5 mouth of described two five-way valves 11; The air outlet E2 mouth of described the first door open button 4 is connected with the second suction port J3 mouth of described the second logical valve 7, and the air outlet K2 mouth of described the second door open button 5 is connected with the first suction port J1 mouth of described the second logical valve 7; The air outlet J2 of described the second logical valve 7 is connected with the first suction port H1 mouth of described the first logical valve 6, and the air outlet H2 mouth of described the first logical valve 6 is connected with the reverse signal air pipe interface D4 mouth of described two five-way valves 11; The forward air outlet D1 mouth of described two five-way valves 11 is connected with forward suction port C1 mouth and the reverse suction port C2 mouth of described cylinder 3 respectively with reverse air outlet D2 mouth; Described screen door control system is built in doorframe, and the piston push rod of described cylinder is connected with the described slider seat with dovetail groove.
Preferably, on described cylinder 3, with flow control valve, for regulating gas circuit flow, control described cylinder piston movement velocity.
Preferably, described screen door control system also comprises filter 1; The suction port L1 mouth of described filter 1 is connected with compressed air gas source, and air outlet L2 mouth is connected with main gas circuit suction port G1 mouth and spring pressure suction port G3 mouth, the main gas circuit suction port F1 mouth of described shuttle valve 10, the suction port E1 mouth of described the first door open button 4, the suction port K1 mouth of described the second door open button 5 of the suction port A1 mouth of described mechanical valve 2, described spring reset valve 8.
Preferably, described screen door also comprises Decompression valves; Described Decompression valves is placed on the secondary air outlet G5 mouth of described spring reset valve 8.
As shown in Figure 2, a kind of shielded gate controlling method, the method comprises:
201, each components and parts in screen door control system are connected, comprise: the suction port A1 mouth of mechanical valve 2 is connected with compressed air gas source, the air outlet A2 mouth of mechanical valve 2 is connected with the forward signal air pipe interface D3 mouth of two five-way valves 11, by the main gas circuit suction port G1 mouth of spring reset valve 8, spring pressure suction port G3 mouth, the main gas circuit suction port F1 mouth of shuttle valve 10, the suction port E1 mouth of the first door open button 4 is connected with compressed air gas source respectively with the air outlet K1 mouth of the second door open button 5, the second suction port H3 mouth of the gas receiver gas circuit suction port F2 mouth of shuttle valve 10 and the first logical valve 6 is connected with the gas receiver air outlet G2 mouth of spring reset valve 8 respectively, the gas receiver suction port G4 mouth of spring reset valve 8 is connected with gas receiver, the air outlet F3 mouth of shuttle valve 10 is connected with the main gas circuit suction port D5 mouth of two five-way valves 11, the air outlet E2 mouth of the first door open button 4 is connected with the second suction port J3 mouth of the second logical valve 7, the air outlet K2 mouth of the second door open button 5 is connected with the first suction port J1 mouth of the second logical valve 7, the air outlet J2 mouth of the second logical valve 7 is connected with the first suction port H1 mouth of the first logical valve 6, the air outlet H2 mouth of the first logical valve 6 is connected with the reverse signal air pipe interface D4 mouth of two five-way valves 11, the forward air outlet D1 mouth of two five-way valves 11 is connected with the forward suction port C1 mouth of cylinder 3, the reverse air outlet D2 mouth of two five-way valves 11 is connected with the reverse suction port C2 mouth of cylinder 3.
Further, the suction port L1 mouth of filter 1 is connected with compressed air gas source, and air outlet L2 mouth is connected with the main gas circuit suction port G1 mouth of the suction port A1 mouth of mechanical valve 2, spring reset valve 8, spring pressure suction port G3 mouth, the main gas circuit suction port F1 mouth of shuttle valve 10, the suction port E1 mouth of the first door open button 4, the suction port K1 mouth of the second door open button 5 respectively.
Further, Decompression valves is placed on the secondary air outlet G5 mouth of spring reset valve 8.
201, screen door control system is connected with shielded gate; Screen door control system is built in doorframe, the piston push rod of cylinder 3 is connected with the slider seat with dovetail groove.Slider seat with dovetail groove moving up and down two covers is arranged on doorframe, two fixing slide bars are arranged on door leaf; Promote cylinder piston by pressurized air, cylinder piston drives piston push rod to move, and piston push rod drives slider seat to move, and the movement of slider seat makes slider seat and slide bar locking or deviates from, and controls closing the door and opening the door of shielded gate.
After the various embodiments described above are got up described each equipment connection, the principle that realizes switch gate control is as follows:
Source of the gas is delivered to pressurized air in main gas circuit suction port G1 mouth and the spring pressure suction port G3 mouth of spring reset valve 8, there is a spring relative one end of spring pressure suction port G3 mouth of spring reset valve 8, after pressurized air enters described spring reset valve 8 by spring pressure suction port G3 mouth, spring is depressed, the gas receiver suction port G4 interruption-forming path of the main gas circuit suction port G1 mouth of described spring reset valve 8 and spring reset valve, pressurized air flow through G4 interface arrive gas receiver 9, gas receiver 9 is inflated.
Due to the water vapour that can adulterate from source of the gas pressurized air out, dust or mist of oil, affect screen door control system, the usability of each components and parts in door apparatus and shielded gate controlling method, in order to optimize screen door control system, door apparatus and shielded gate controlling method, extend screen door, the working life of each components and parts in door apparatus and shielded gate controlling method, described screen door control system, door apparatus and shielded gate controlling method can comprise filter 1, the suction port L1 of described filter 1 is connected with source of the gas, the air outlet L2 mouth of described filter 1 respectively with the suction port A1 mouth of described mechanical valve 2, the main gas circuit suction port G1 mouth of described spring reset valve 8 and spring pressure suction port G3 mouth, the main gas circuit suction port F1 mouth of described shuttle valve 10, the suction port E1 mouth of described the first door open button 4, the suction port K1 mouth of described the second door open button 5 connects, the pressurized air of sending from source of the gas, by filter 1, filters out water vapour, dust or mist of oil in pressurized air.
The pressurized air of sending from source of the gas reaches the main gas circuit suction port F1 mouth of described shuttle valve 10 simultaneously, the internal piston that promotes described shuttle valve 10 moves to the relative one end of main gas circuit suction port F1 mouth, the main gas circuit suction port F1 mouth of described shuttle valve 10 and air outlet F3 interruption-forming path, the main gas circuit suction port D5 mouth of air outlet F3 mouth and described two five-way valves 11 is connected.
The pressurized air of sending from source of the gas reaches the suction port A1 mouth of mechanical valve 2 simultaneously, after mechanical valve 2 is pressed, the suction port A1 mouth of described mechanical valve 2 is communicated with air outlet A2 mouth, pressurized air arrives the forward signal air pipe interface D3 mouth of described two five-way valves 11, the main gas circuit suction port D5 mouth of described two five-way valves 11 is communicated with forward air outlet D1 mouth, the pressurized air of main gas circuit suction port D5 mouth input arrives the forward suction port C1 mouth of cylinder 3 through forward air outlet D1 mouth, the piston that pressurized air promotes cylinder 3 moves to the relative one end of forward suction port C1 mouth, the piston of cylinder 3 moves and promotes to move with the slider seat of dovetail groove on doorframe, slider seat locking on slide block and doorframe on door leaf, complete the action of closing the door.
The pressurized air of sending from source of the gas arrives the suction port E1 mouth of the first door open button 4 and the suction port K1 mouth of the second door open button 5 simultaneously, after any one button is pressed, pressurized air arrives the first suction port J1 mouth or the second suction port J3 mouth of the second logical valve 7, the first suction port J1 mouth of the second logical valve 7 or second any one interface of suction port J3 mouth have pressurized air to arrive, all will be communicated with the air outlet J2 mouth of the second logical valve, air outlet J2 mouth is communicated with the first suction port H1 mouth of the first logical valve 6, when pressurized air arrives after the first suction port H1 mouth, the first suction port H1 mouth is communicated with air outlet H2 mouth, pressurized air arrives the reverse signal air pipe interface D4 mouth of described two five-way valves 11 through air outlet H2 mouth, the internal piston that pressurized air promotes two five-way valves 11 moves to the relative one end of reverse signal air pipe interface D4 mouth, main gas circuit suction port D5 mouth is communicated with reverse air outlet D2 mouth, the final pressurized air entering from the main gas circuit suction port D5 mouth reverse air outlet D2 mouth of flowing through arrives the reverse suction port C2 mouth of cylinder 3, promote the piston of cylinder 3 to one section of relative movement of reverse suction port C2 mouth, the piston of cylinder 3 moves and promotes to move with the slider seat of dovetail groove on doorframe, slider seat on slide block and doorframe on door leaf departs from, complete the action of opening the door.
Preferably, described the first door open button 4 and the second door open button 5 are placed in respectively shielded gate inner side and outside, realize the action of all can opening the door of shielded gate inner side and outside.
After compressed air gas source disconnects, the spring pressure suction port G3 mouth of spring reset valve 8 loses pressure, the contained spring of described spring reset valve 8 will set back, the main gas circuit suction port G1 mouth of described spring reset valve 8 and gas receiver suction port G4 mouth path blockade, spring reset valve gas receiver suction port G4 mouth is communicated with gas receiver air outlet G2 mouth.The pressurized air of the gas receiver 9 inside gas receiver air outlet G2 mouth of flowing through arrives the gas receiver gas circuit suction port F2 mouth of described shuttle valve 10, the internal piston of described shuttle valve 10 moves to the relative one end of gas receiver gas circuit suction port F2 mouth, the gas receiver gas circuit suction port F2 mouth of described shuttle valve 10 is communicated with air outlet F3 mouth, and pressurized air arrives the main gas circuit suction port D5 mouth of described two five-way valves 11.
The pressurized air of gas receiver 9 arrives the second suction port H3 mouth of the first logical valve 6 simultaneously by the spring reset valve gas receiver air outlet G2 interface of described spring reset valve 8, the second suction port H3 of described the first logical valve 6 is communicated with air outlet H2 mouth, pressurized air arrives the reverse signal air pipe interface D4 mouth of described two five-way valves 11, the piston that promotes described two five-way valves 11 moves to the relative one end of reverse signal air pipe interface D4 mouth, main gas circuit suction port D5 mouth is communicated with reverse air outlet D2 mouth, the pressurized air reverse air outlet D2 mouth of flowing through arrives the reverse suction port C2 mouth of described cylinder 3, the piston that promotes cylinder 3 moves to the relative one end of reverse suction port C2 mouth, thereby the slider seat with dovetail groove on drive doorframe moves, slider seat on slide block and doorframe on door leaf departs from, complete the action of opening the door.
Further, described screen door control system also comprises a Decompression valves; Described Decompression valves is placed in the secondary air outlet G5 mouth of described spring reset valve 8; After compressed air gas source disconnects, after the pressurized air in gas receiver 9 is opened shielded gate, Decompression valves is opened, and pressurized air inner unnecessary gas receiver 9 is discharged, and prevents that unnecessary pressurized air from locking shielded gate.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a screen door control system, comprises cylinder, two five-way valve, the first door open button and the second door open button, shuttle valve, mechanical valve, gas receiver, spring reset valve, the first logical valve and the second logical valves, it is characterized in that,
The suction port of described mechanical valve is connected with compressed air gas source, and the air outlet of described mechanical valve is connected with the forward signal air pipe interface of described two five-way valves;
The main gas circuit suction port of described spring reset valve, spring pressure suction port, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button, the air outlet of the second door open button are connected with compressed air gas source respectively; The gas receiver air outlet of described spring reset valve is connected with the gas receiver gas circuit suction port of described shuttle valve and the second suction port of described the first logical valve respectively, and the gas receiver suction port of described spring reset valve is connected with described gas receiver;
The air outlet of described shuttle valve is connected with the main gas circuit suction port of described two five-way valves;
The air outlet of described the first door open button is connected with the second suction port of described the second logical valve;
The air outlet of described the second door open button is connected with the first suction port of described the second logical valve;
The air outlet of described the second logical valve is connected with the first suction port of described the first logical valve;
The air outlet of described the first logical valve is connected with the reverse signal air pipe interface of described two five-way valves;
The forward air outlet of described two five-way valves is connected with the forward suction port of described cylinder, and the reverse air outlet of described two five-way valves is connected with the reverse suction port of described cylinder.
2. screen door control system as claimed in claim 1, is characterized in that, described screen door control system also comprises filter; The suction port of described filter is connected with compressed air gas source, and air outlet is connected with main gas circuit suction port, spring pressure suction port, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button and the suction port of described the second door open button of the suction port of described mechanical valve, described spring reset valve respectively.
3. screen door control system as claimed in claim 1, is characterized in that, described screen door control system also comprises Decompression valves; Described Decompression valves is placed on the secondary air outlet of described spring reset valve.
4. a door apparatus, comprise doorframe and door leaf, on described doorframe, be equipped with the two covers slider seat with dovetail groove moving up and down, two fixing slide bars are installed on described door leaf, on described slide bar, be designed with the slide block matching with described slider seat, it is characterized in that, described door apparatus also comprises screen door control system, described screen door control system, comprise cylinder, two five-way valves, the first door open button and the second door open button, shuttle valve, mechanical valve, gas receiver, spring reset valve, the first logical valve and the second logical valve, the suction port of described mechanical valve is connected with compressed air gas source, the air outlet of described mechanical valve is connected with the forward signal air pipe interface of described two five-way valves, the main gas circuit suction port of described spring reset valve, spring pressure suction port, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button, the air outlet of the second door open button is connected with compressed air gas source respectively, the gas receiver air outlet of described spring reset valve is connected with the gas receiver gas circuit suction port of described shuttle valve and the second suction port of described the first logical valve respectively, the gas receiver suction port of described spring reset valve is connected with described gas receiver, the air outlet of described shuttle valve is connected with the main gas circuit suction port of described two five-way valves, the air outlet of described the first door open button is connected with the second suction port of described the second logical valve, the air outlet of described the second door open button is connected with the first suction port of described the second logical valve, the air outlet of described the second logical valve is connected with the first suction port of described the first logical valve, the air outlet of described the first logical valve is connected with the reverse signal air pipe interface of described two five-way valves, the forward air outlet of described two five-way valves is connected with the forward suction port of described cylinder, the reverse air outlet of described two five-way valves is connected with the reverse suction port of described cylinder,
Described screen door control system is built in doorframe, and the piston push rod of described cylinder is connected with the described slider seat with dovetail groove.
5. door apparatus as claimed in claim 4, is characterized in that, described screen door control system also comprises filter; The suction port of described filter is connected with compressed air gas source, and air outlet is connected with main gas circuit suction port, spring pressure suction port, the main gas circuit suction port of described shuttle valve, the suction port of described the first door open button and the suction port of described the second door open button of the suction port of described mechanical valve, described spring reset valve respectively.
6. door apparatus as claimed in claim 4, is characterized in that, described screen door also comprises Decompression valves; Described Decompression valves is placed on the secondary air outlet of described spring reset valve.
7. a shielded gate controlling method, is characterized in that, the method comprises:
The suction port of mechanical valve is connected with compressed air gas source, the air outlet of mechanical valve is connected with the forward signal air pipe interface of two five-way valves, by the main gas circuit suction port of spring reset valve, spring pressure suction port, the main gas circuit suction port of shuttle valve, the air outlet of the suction port of the first door open button and the second door open button is connected with compressed air gas source respectively, the second suction port of the gas receiver gas circuit suction port of shuttle valve and the first logical valve is connected with the gas receiver air outlet of spring reset valve respectively, the gas receiver suction port of spring reset valve is connected with gas receiver, the air outlet of shuttle valve is connected with the main gas circuit suction port of two five-way valves, the air outlet of the first door open button is connected with the second suction port of the second logical valve, the air outlet of the second door open button is connected with the first suction port of the second logical valve, the air outlet of the second logical valve is connected with the first suction port of the first logical valve, the air outlet of the first logical valve is connected with the reverse signal air pipe interface of two five-way valves, the forward air outlet of two five-way valves is connected with the forward suction port of cylinder, the reverse air outlet of two five-way valves is connected with the reverse suction port of cylinder, screen door control system is built in doorframe, the piston push rod of cylinder is connected with the slider seat with dovetail groove, slider seat with dovetail groove moving up and down two covers is arranged on doorframe, two fixing slide bars are arranged on door leaf, promote cylinder piston by pressurized air, cylinder piston drives piston push rod to move, and piston push rod drives slider seat to move, and the movement of slider seat makes slider seat and slide bar locking or deviates from, and controls closing the door and opening the door of shielded gate.
8. controlling method as claimed in claim 7, is characterized in that, the method further comprises:
The suction port of filter is connected with compressed air gas source, and air outlet is connected with the main gas circuit suction port of the suction port of mechanical valve, spring reset valve, spring pressure suction port, the main gas circuit suction port of shuttle valve, the suction port of the first door open button, the suction port of the second door open button respectively.
9. controlling method as claimed in claim 7, is characterized in that, the method further comprises:
Decompression valves is placed on the secondary air outlet of spring reset valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248602.XA CN102747916B (en) | 2012-07-17 | 2012-07-17 | Shielding door control system, shielding door device and shielding door control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248602.XA CN102747916B (en) | 2012-07-17 | 2012-07-17 | Shielding door control system, shielding door device and shielding door control method |
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| Publication Number | Publication Date |
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| CN102747916A CN102747916A (en) | 2012-10-24 |
| CN102747916B true CN102747916B (en) | 2014-09-10 |
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| CN201210248602.XA Active CN102747916B (en) | 2012-07-17 | 2012-07-17 | Shielding door control system, shielding door device and shielding door control method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106337847B (en) * | 2016-11-14 | 2017-12-22 | 无锡市华通气动制造有限公司 | A kind of fire resistant doorsets atmospheric control |
| CN108869458B (en) * | 2018-06-05 | 2020-03-31 | 沈阳优尼斯智能装备有限公司 | Automatic door pressure maintaining structure and control method thereof |
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| JP2004239282A (en) * | 2003-02-03 | 2004-08-26 | Hitachi Constr Mach Co Ltd | Holding valve, and construction machine provided with the same |
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| DE3912778A1 (en) * | 1989-04-19 | 1990-10-25 | Bosch Gmbh Robert | Locking catch for pneumatic door closing mechanism - releasing catch by door opening pressure line of piston-cylinder unit |
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| CN102747916A (en) | 2012-10-24 |
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