CN103629391B - A kind of automatic switchover medical gas cylinder manifold device and gas COMM communication - Google Patents
A kind of automatic switchover medical gas cylinder manifold device and gas COMM communication Download PDFInfo
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- CN103629391B CN103629391B CN201310620978.3A CN201310620978A CN103629391B CN 103629391 B CN103629391 B CN 103629391B CN 201310620978 A CN201310620978 A CN 201310620978A CN 103629391 B CN103629391 B CN 103629391B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K19/00—Arrangements of valves and flow lines specially adapted for mixing fluids
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to medical gas steel cylinder centralizedly supply device, especially a kind of automatic switchover medical gas cylinder manifold device and gas COMM communication <b>.</b> technical problem to be solved by this invention is: for prior art Problems existing, provides a kind of novel structure, easy to use and reliable automatic switchover medical gas cylinder manifold device and gas COMM communication.First prior art problem is solved, devise a kind of automatic switchover medical gas cylinder manifold device, it passes through gas automatic switching device, achieve the mutual automatic switchover use of the medical gas steel cylinder of left loop air intake assembly, right loop air intake assembly medical gas steel cylinder, and use point to provide various medical gas by gas supply loop to each medical gas.
Description
Technical field
The present invention relates to medical gas steel cylinder centralizedly supply device, especially a kind of automatic switchover medical gas cylinder manifold device and gas COMM communication.
Background technique
The medical gas cylinder manifold device of current use, its structure is all substantially identical, all adopt double loop supply medical gas, another loop need be switched to for seasonable when the medical gas of primary Ioops is finished, substantially switching mode that is artificial or solenoid valve is all adopted, adopt manual switching to be not easy to management, adopt solenoid valve to switch, have a power failure if meet, cisco unity malfunction.
Summary of the invention
Technical problem to be solved by this invention is: for prior art Problems existing, a kind of novel structure is provided, easy to use and reliable automatic switchover medical gas cylinder manifold device and gas COMM communication, first prior art problem is solved, devise a kind of automatic switchover medical gas cylinder manifold device, it is by gas COMM communication, achieve the medical gas steel cylinder of left loop air intake assembly, the gas of right loop air intake assembly medical gas steel cylinder automatically switches supply mutually, and by the supply of gas supply loop assembly, the supply realizing gas of safe and simple.Secondly, a kind of gas COMM communication is provided, by core body and the first steel ball with the use of, achieve the automatic switchover of left and right loop air intake assembly medical gas steel cylinder air feed, periodic duty like this, left loop air intake assembly medical gas steel cylinder and right loop air intake assembly medical gas steel cylinder are used alternatingly.Further, by the switching signal transmission assembly in gas COMM communication, can in external electronic equipment, the current operating state of display medical gas steel cylinder, for the replacing of gas cylinder and follow-up service work provide more convenience.
the technical solution used in the present invention is as follows:
A kind of gas COMM communication comprises: left fittings body 1, first seal ring 2, core body 3, gas outlet joint 4, right connector body 5, pressure equalization module, described left fittings body 1 forms left and right two-way suction port with right connector body 5, and exports three end opening gas COMM communication of gas by gas outlet joint 4; Described gas outlet joint 4 is positioned at gas COMM communication circumferential surface neutral position; Described pressure equalization module is positioned on the circumferential surface of gas COMM communication, and described gas outlet joint 4, pressure equalization module are corresponding to be respectively threaded with left fittings body 1, and described right connector body 5 is connected with left fittings body 1 screw thread or bolt; Core body 3 and pressure equalization module point cantact; Core body 3 comprises the cylindrical body that two ends, left and right arrange symmetrical column sealed step respectively; The length of column sealed step is A1, the displacement distance of column sealed step is A, namely A > A1. core body 3 cylindrical body circumferential surface arranges identical left end arc groove C and right-hand member arc groove D, the center of described core body 3 left end arc groove C and core body 3 right-hand member arc groove D Central Symmetry are in the length direction center line of core body 3, and core body 3 moves left and right distance A and is less than core body 3 left end arc groove C and right-hand member arc groove D centre distance B; Core body 3 is when fittings body 1 or right connector body 5 direction are moved left, pressure equalization module respectively correspondence moves to core body 3 right-hand member arc groove D or core body 3 left end arc groove C place conical surface, the left column sealed step of described core body 3, the right column sealed step of core body 3 move in the corresponding endoporus of left fittings body 1, right connector body 5 respectively, and set by the column sealed step in a left side, right column sealed step, the first seal ring 2 seals; The left column sealed step of described core body 3, the right column sealed step of core body 3 arrange annular groove respectively, the first seal ring 2 is set in annular groove; The junction plane place of gas outlet joint 4, right connector body 5, pressure equalization module and left fittings body 1 arranges at least one groove, arranges the first seal ring 2 in shown groove; It is P that described pressure equalization module acts on the pressure on core body 3 surface, the axial thrust load of P is P1, radial component is P2, the end thrust that core body 3 left side is produced by left loop supply gas pressure is B1, the end thrust that core body 3 right side is produced by right loop supply gas pressure is B2, as B1 > P1+B2, then core body 3 moves right and forms left loop gas passage, and left fittings body 1 is connected with gas outlet joint 4; As B2 > P1+B1, then core body 3 is moved to the left and forms right loop gas passage, and right connector body 5 and gas outlet joint 4 are connected; Described gas outlet joint 4 is that the gas of COMM communication exports outlet, is connected with the pipeline of automatic switching cylinder manifold device by pipe fitting.
Described pressure equalization module comprises at least three pressurizers, described pressurizer comprises the first steel ball 6, first spring 7, spring fixed seat 8, spring fixed seat 8 is threaded with left fittings body 1, spring fixed seat 8 is provided with circular hole, first spring 7 is set in spring fixed seat 8 circular hole, described first steel ball 6 between the first spring 7 and core body 3, core body 3 and the first steel ball 6 point cantact; The pressure that described first steel ball 6 acts on core body 3 surface is P, the axial thrust load of P is P1, the radial component of P is P2, the end thrust that core body 3 left side is produced by left loop supply gas pressure is B1, the end thrust that core body 3 right side is produced by right loop supply gas pressure is B2, as B1 > P1+B2, then core body 3 moves right and forms left loop gas passage, and left fittings body 1 is connected with gas outlet joint 4; As B2 > P1+B1, then core body 3 is moved to the left and forms right loop gas passage, and right connector body 5 and gas outlet joint 4 are connected; Described pressurizer assembly has on the many groups of external cylindrical surfaces being uniformly distributed in gas COMM communication, move to the left or to the right for balancing core body 3 and form the power of right loop gas passage or left loop gas passage, until preset left for air circuit, right air feed loop switch pressure.
A kind of gas COMM communication also comprises switching signal transmission assembly 9, described switching signal transmission assembly 9 comprises the second steel ball 11, valve seat 12, second seal ring 13, second spring 14, spool 15, fixed base 16, sensitive switch 17, described sensitive switch 17 is push buttons, described left fittings body 1 is circumferentially provided with the mounting hole installing switching signal transmission assembly, described second steel ball 11, valve seat 12, second seal ring 13 is positioned on left fittings body 1 successively to be installed in the mounting hole of switching signal transmission assembly, described fixed base 16 one end is threaded with left fittings body 1, fixed base 16 the other end fixes sensitive switch 17 shell by internal thread, sensitive switch 17 action reed and spool 15 tip contact, spool 15 is arranged in the endoporus of fixed base 16, spool 15 lower end is through the second seal ring 13 and the second steel ball 11 point cantact, spool 15 upper end contacts with sensitive switch 17, second seal ring 13 is set between valve seat 12 and spool 15, spool 15 is provided with the step of installation second spring 14, fixed base 16 endoporus is provided with the step hole of placement second spring 14, the second spring 14 is provided with between spool 15 and fixed base 16, when core body 13 fittings body 5 direction motion to the right, second steel ball 11 moves to core body 3 left end arc groove C top left side, on the maximum diameter cylndrical surface of i.e. core body 3, second steel ball 11 promotes spool 15 and moves, sensitive switch 17 action reed is moved, sensitive switch 17 movable contact contacts with sensitive switch 17 fixed contact, produces electrical signal, exports to detection facility, when core body 13 fittings body direction motion left, the second steel ball 11 moves in core body 3 left end arc groove C, and the second spring 14 makes spool 15 to the motion of steel ball direction, then sensitive switch 17 does not produce electrical signal.
In described core body 3, arc groove is two cone buses and bottom circular arc and the tangent formation of top arc, and bottom left end arc groove C, bottom circular arc and right-hand member arc groove D, radius of arc is greater than steel ball radius.
A kind of automatic switchover medical gas cylinder manifold device also comprises left loop air intake assembly, right loop air intake assembly, gas output precision, gas safety discharge circuit assemblies, left loop air intake assembly, right loop air intake assembly, gas output precision correspondence and the left fittings body 1 of gas COMM communication 27, gas COMM communication 27 right connector body 5, gas COMM communication 27 gas outlet joint 4 is threaded, when move to the right by fittings body 5 direction for gas COMM communication 27 core body 3, form left loop gas supply loop, gas in left side medical gas steel cylinder 21 is exported by gas output precision, after fittings body direction is moved when gas COMM communication 27 core body 3, form right loop gas supply loop left, the gas in the right medical gas steel cylinder 21 is exported by gas output precision.
Described left loop air intake assembly, right loop air intake assembly comprise respectively: medical gas steel cylinder 21, safety check 22, stop valve 23, one-level decompressor 24, medical gas steel cylinder 21, safety check 22, stop valve 23, one-level decompressor 24 one end are connected successively by gas pipeline, and one-level decompressor 24 the other end of one-level decompressor 24 the other end of left loop air intake assembly, right loop air intake assembly is corresponding to be respectively threaded with the left fittings body 1 of gas COMM communication 27, gas COMM communication 27 right connector body 5.
Described gas output precision comprises at least 1 road gas output loop assembly, described gas output loop assembly comprises the first ball valve 28, second depressurized device 29, second ball valve 30, and described gas COMM communication 27 gas outlet joint, the first ball valve 28, second depressurized device 29, second ball valve 30 are connected successively by gas pipeline.
Described gas output precision comprises two-way gas output loop assembly, and described gas COMM communication 27 gas outlet joint is connected with the first ball valve 28 of two-way gas output loop assembly.
Described gas safety discharge circuit assemblies comprises the first safety valve 33, gas discharge pipe 35, and described first safety valve 33 one end is connected with gas COMM communication gas outlet joint 4, and first safety valve 33 the other end is connected with gas discharge pipe 35 concurrent.
Described gas output precision also comprises the 3rd ball valve 32, 3rd pressure gauge 31, described left loop air intake assembly, right loop air intake assembly also comprises the first pressure gauge 25 respectively, second pressure gauge 26, gas safety discharge circuit assemblies also comprises the second safety valve 34, described second ball valve 30 respectively with second depressurized device 29, 3rd ball valve 32 connects, described first pressure gauge 25 is arranged between stop valve 23 and one-level decompressor 24, second pressure gauge is arranged between one-level decompressor 24 and gas COMM communication 27, 3rd pressure gauge 31 is arranged between the second ball valve 30 and the 3rd ball valve 32, described second safety valve 34 one end is arranged at the second ball valve 30, between 3rd ball valve 32, described second safety valve 34 the other end is connected with gas discharge pipe 35.
in sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1) automatic switchover medical gas cylinder manifold device, by gas COMM communication, achieve the gas automatic switchover of the medical gas steel cylinder of left loop air intake assembly, right loop air intake assembly medical gas steel cylinder, and by the supply of gas supply loop assembly, the supply realizing gas of safe and simple.
2) the left loop air intake assembly in automatic switchover medical gas cylinder manifold device and right loop air intake assembly are respectively by the pressure of medical gas in safety check, stop valve, one-level decompressor control loop and flow.
3) automatic switchover medical gas cylinder manifold device arranges gas safety discharge circuit assemblies, and for by pressure too high in device pressure release by the unlatching of gas safety valve, the pressure in assurance device is in setting range.
4)automatic switchover medical gas cylinder manifold device can monitor monitory point current state force value at any time by arranging multiple pressure gauge, ensures the safe handling of automatic switchover medical gas cylinder manifold device.
5)automatic switchover medical gas cylinder manifold device, by arranging multiple seal ring, ensures that in using process, the gas in medical gas loop does not leak, and ensures the work of this device normal safe.
6)gas COMM communication, by core body and the first steel ball with the use of, achieve the automatic switchover of left and right loop air intake assembly medical gas steel cylinder air feed, periodic duty like this, after gas in the air intake assembly medical gas steel cylinder of left loop is finished, close stop valve and change gas cylinder, now provide sufficient gas by right loop air intake assembly; After gas in like manner in the air intake assembly medical gas steel cylinder of right loop is finished, closes stop valve and change gas cylinder, now provide sufficient gas by left loop air intake assembly.
7)gas COMM communication, by the switching signal transmission assembly in gas COMM communication, in external electronic equipment, can show the current operating state of left and right medical gas steel cylinder, for the replacing of gas cylinder and follow-up service work provide more convenience.
8)this medical gas cylinder manifold device before the decompression of one-level decompressor on pipeline with on post-decompression pipeline, the post-decompression pipeline of second depressurized device is provided with pressure gauge, to show pipeline gas pressure.
9)this medical gas cylinder manifold device is provided with pressure relay on pipeline and on the post-decompression pipeline of second depressurized device after the decompression of one-level decompressor, is connected in external electronic equipment, to the overpressure in loop or too lowly carry out superpressure or undervoltage warning.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 gas COMM communication plan view.
Fig. 2 be Fig. 1 along F to schematic diagram.
Fig. 3 (a) is that Fig. 2 rotates hatching schematic diagram (working position of left loop air feed core body) along A-A.
Fig. 3 (b) is the pressure that gas COMM communication first steel ball 6 acts on core body 3 surface is P(left loop air feed core body) pressure exploded view.
Fig. 4 (a) is that Fig. 2 rotates hatching schematic diagram (working position of right loop air feed core body) along A-A.
Fig. 4 (b) is the pressure that gas COMM communication first steel ball 6 acts on core body 3 surface is P(right loop air feed core body) pressure exploded view.
Fig. 5 is that Fig. 1 is along B-B hatching schematic diagram.
Fig. 6 is that Fig. 2 is along C-C hatching schematic diagram.
Fig. 7 is automatic switchover medical gas backflow arranging device schematic diagram.
Reference character
1-left fittings body 2-first seal ring 3-core body 4-gas outlet joint
5-right connector body 6-first steel ball 7-first spring 8-spring fixed seat
9-switching signal transmission assembly 11 second steel ball 12-valve seat 13-second seal ring
14-second spring 15-spool 16-fixed base 17 sensitive switch
21-medical gas steel cylinder 22-safety check 23-stop valve 24 one-level decompressor
25-first pressure gauge 26-second pressure gauge 27-gas COMM communication 28-first ball valve
29-second depressurized device 30-second ball valve 31-the 3rd pressure gauge 32-the 3rd ball valve
33-first safety valve 34-second safety valve 34 35-gas discharge pipe
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
One, gas COMM communication:
1, form:
As Fig. 1,3(a), 4(a) shown in, comprise left fittings body 1, first seal ring 2, core body 3, gas outlet joint 4, right connector body 5, pressure equalization module.Left fittings body 1 and right connector body 5 adopt screw thread or bolt to be connected, and junction plane adopts the first seal ring 2(junction plane to arrange at least one groove, and each groove places at least one seal ring) sealing, prevent Leakage Gas; Gas outlet joint 4, pressure equalization module all adopt with left fittings body 1 and are threaded, and junction plane adopts the first seal ring 2, prevents Leakage Gas.
11) pressure equalization module:
Comprise at least three pressurizers, as shown in Fig. 2,5, gas COMM communication comprises 4 pressurizers, pressurizer comprises spring fixed seat 8, first spring 7, first steel ball 6, spring fixed seat 8 cylindrical is threaded with left fittings body 1, spring fixed seat 8 is provided with circular hole, the first spring 7, described first steel ball 6 is set between the first spring 7 and core body 3, core body 3 and the first steel ball 6 point cantact in circular hole.
Core body 3: comprise the cylindrical body that two ends, left and right arrange symmetrical column sealed step respectively; The length of column sealed step is A1, the displacement distance of column sealed step is A, namely A > A1. core body 3 cylindrical body circumferential surface arranges identical left end arc groove C and right-hand member arc groove D, the center of described core body 3 left end arc groove C and core body 3 right-hand member arc groove D Central Symmetry are in the length direction center line of core body 3.
Described core body 3 left end arc groove C and core body 3 right-hand member arc groove D centre distance are B, and the center of described core body 3 left end arc groove C and core body 3 right-hand member arc groove D Central Symmetry are in the length direction center line of core body 3.Bottom left end arc groove C, bottom circular arc and right-hand member arc groove D, radius of arc is greater than the radius of steel ball.Core body 3 is when fittings body or right connector body direction are moved left, first steel ball 6 is corresponding respectively to be moved on the conical surface of core body 3 right-hand member arc groove D or core body 3 left end arc groove C, and the left column sealed step of described core body 3, the right column sealed step of core body 3 move in the corresponding endoporus of left fittings body 1, right connector body 5 respectively.The top of described left end arc groove C and right-hand member arc groove D and cylndrical surface circular sliding slopes, be arc surface bottom arc groove, round and smooth for transition, steel ball moves flexibly.First steel ball 6 remains point cantact with the left end arc groove C on core body 3 and right-hand member arc groove D.
On the left column sealed step of described core body 3, on the right column sealed step of core body 3, annular groove is set respectively, the first seal ring 2 is set in annular groove; Gas outlet joint 4, right connector body 5, spring fixed seat 8 arrange at least one for arranging the groove of seal ring with left fittings body 5 contacting points, and seal ring is respectively used to and left fittings body 5 close contact, prevents Leakage Gas.
2, gas COMM communication working principle:
Left fittings body 1 forms left and right two-way suction port with right connector body 5, and exports three end opening gas COMM communication of gas by gas outlet joint 4; Pressurizer comprises spring fixed seat 8, first spring 7, first steel ball 6, spring fixed seat 8 cylindrical is threaded with left fittings body 1, spring fixed seat 8 is provided with circular hole, first spring 7 is set in spring fixed seat 8 circular hole, described first steel ball 6 between the first spring 7 and core body 3, core body 3 and the first steel ball 6 point cantact; The pressure that described first steel ball 6 acts on core body 3 surface is P, the axial thrust load of P is P1, radial component is P2, the end thrust that core body 3 left side air feed circuit pressure produces is B1, core body 3 right side air feed circuit pressure end thrust B2, as shown in Figure 3 (b), as B1 > P1+B2, then core body 3 moves right and forms left loop gas passage, and left fittings body 1 is connected with gas outlet joint 4; As shown in Figure 4 (b), as B2 > P1+B, then core body 3 is moved to the left and forms right loop gas passage, and right connector body 5 and gas outlet joint 4 are connected.
Two, gas COMM communication (on an above-mentioned basis, also comprising switching signal transmission assembly 9):
As shown in Figure 6, switching signal transmission assembly 9 comprises the second steel ball 11, valve seat 12, second seal ring 13, second spring 14, spool 15, fixed base 16, sensitive switch 17.
Working principle: when core body 3 fittings body direction motion to the right, second steel ball 11 moves on core body 3 left end arc groove C top cylindrical face, second steel ball 11 promotes spool 15 and moves, sensitive switch 17 action reed is moved, sensitive switch 17 movable contact contacts with sensitive switch 17 fixed contact, produce electrical signal, export to detection facility (for detect be the medical gas bottle work of left loop or the medical gas bottle work of right loop); When core body 3 fittings body 1 direction motion left, the second steel ball 11 moves in core body 3 left end arc groove C, and the second spring 14 makes spool 15 to the motion of steel ball direction, then sensitive switch does not produce electrical signal.
Three, a kind of automatic switchover medical gas backflow arranging device
31, form:
As shown in Figure 6, comprise left loop air intake assembly, right loop air intake assembly, gas output precision, gas safety discharge circuit assemblies, gas COMM communication 27, left loop air intake assembly, right loop air intake assembly, gas output precision correspondence and the left fittings body 1 of gas COMM communication 27, gas COMM communication 27 right connector body 5, gas COMM communication 27 gas outlet joint 4 is threaded, when move to the right by fittings body 5 direction for gas COMM communication 27 core body 3, left loop air intake assembly is by after gas COMM communication 27, by the gas in medical gas steel cylinder by exporting after the decompression of gas output precision, after when gas COMM communication 27 core body 3, fittings body direction is moved left, the gas in medical gas steel cylinder, by after gas COMM communication 27, exports by the decompression of gas output precision is rear by right loop air intake assembly.
311) left loop air intake assembly, right loop air intake assembly:
Left loop air intake assembly, right loop air intake assembly comprise medical gas steel cylinder 21, safety check 22, stop valve 23, one-level decompressor 24 respectively, medical gas steel cylinder 21, safety check 22, stop valve 23, one-level decompressor 24 one end are connected successively by gas pipeline, and one-level decompressor 24 the other end of one-level decompressor 24 the other end of left loop air intake assembly, right loop air intake assembly is corresponding to be respectively threaded with the left fittings body 21 of gas COMM communication 27, gas COMM communication 27 right connector body 5.
312) left loop air intake assembly, right loop air intake assembly working principle:
Be specially: medical gas is generally 15Mpa from left loop air intake assembly or right loop air intake assembly medical gas steel cylinder 21(maximum pressure) flow out, after the safety check 22 on its gas piping, the decompression of stop valve 23 to one-level decompressor 24, export through gas COMM communication 27.
313) left loop air intake assembly, right loop air intake assembly (also comprising the first pressure gauge 25, second pressure gauge 26 respectively).
11) on basis, described first pressure gauge 25 is arranged between stop valve 23 and one-level decompressor 24, and the second pressure gauge is arranged between one-level decompressor 24 and gas COMM communication 27.
314) gas output precision composition:
Comprise at least 1 road gas output loop assembly, described gas output loop assembly comprises the first ball valve 28, second depressurized device 29, second ball valve 30, and described gas COMM communication 27 gas outlet joint, the first ball valve 28, second depressurized device 29, second ball valve 30 are connected successively by gas pipeline.
As described in Figure 6, gas output precision comprises 2 road gas output loop assemblies, and described gas COMM communication 27 gas outlet joint is connected with the first ball valve 28 of two-way gas output loop assembly.When the component failure in a wherein road gas output loop assembly needs repairing, then close the parts (such as the first ball valve 28 and the second ball valve 30) in current gas output loop assembly, then by an other road gas output loop component operation.
315) gas output precision (also comprising the 3rd ball valve 32, the 3rd pressure gauge 31):
As shown in Figure 6, the 3rd pressure gauge 31 is arranged between the second ball valve 30 and the 3rd ball valve 32.Certainly also can at the multiple ball valve of increase and pressure gauge, multiple pressure gauge is convenient to observe and gas pressure value more accurately in show circuit, uses when multiple ball valve is convenient to maintenance.
32, a kind of automatic switchover medical gas backflow arranging device working principle concrete steps:
When initialization, set right loop air intake assembly stop valve 23 in first shutdown system, in the air intake assembly of left loop, stop valve 23 is in opening state, under the effect of gas pressure, gas COMM communication 27 core body 3 moves right, form left loop gas passage, the medical gas passage in right loop gas passage is sealed by the first seal ring 2 and blocks, now by the medical gas steel cylinder 21 of left loop air intake assembly to gas output precision air feed.Open stop valve 23 in the air intake assembly of right loop, now, the thrust produced by gas COMM communication 27 core body 3 left side is greater than the first steel ball 7 and is moved to the left the thrust sum that required axial thrust load and gas COMM communication 27 core body 3 right side produce, then gas COMM communication 27 core body 3 can not move, and still forms left loop gas passage.When medical gas steel cylinder 21 gas pressure of left loop air intake assembly need drop to setting value because constantly using, the thrust that gas COMM communication 27 core body 3 right side produces is greater than thrust and the first steel ball 7 that gas COMM communication 27 core body 3 left side produces when being moved to the left required axial thrust load sum, gas COMM communication 27 core body 3 is moved to the left, gas COMM communication 27 first seal ring 2 blocks left loop gas passage, form right loop gas passage, by the medical gas steel cylinder 21 of right loop air intake assembly to gas output precision air feed, achieve a left side, the automatic switchover of right medical gas steel cylinder 21 air feed, periodic duty like this.After gas in the medical gas steel cylinder 21 of left loop air intake assembly is finished, close stop valve 23, then the medical gas steel cylinder 21 of replaceable tolerance abundance.
When the pressure of the medical gas steel cylinder 21 of left loop air intake assembly is with during to setting value, gas COMM communication 27 will switch, the medical gas steel cylinder 21 of right loop air intake assembly works, gas COMM communication 27 is provided with sensitive switch, and realizes changing bottle warning and display medical gas steel cylinder 21 current operating state by sensitive switch.
Described first pressure gauge 25 is suction pressures of display one-level decompressor 24, and the second pressure gauge 26 is the post-decompression pressure of display one-level decompressor 24, and the 3rd pressure gauge 31 is the post-decompression pressure of display second depressurized device 29.
Described first safety valve 33, when the post-decompression pressure of one-level decompressor 24 is higher than setting value, ensure that the post-decompression force value of one-level decompression reduction valve is in safety range by safety valve exhausting air, second safety valve 34, when the post-decompression pressure of second depressurized device 29 is higher than setting value, ensure that the post-decompression force value of second depressurized device 29 is in safety range by the second safety valve 34 exhausting air, gas discharge pipe 35 is that discharge causes safety zone by the gas of the first safety valve 33, second safety valve 34 working displacement, ensures the work safety of system.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (8)
1. a gas COMM communication, it is characterized in that comprising: left fittings body (1), the first seal ring (2), core body (3), gas outlet joint (4), right connector body (5), pressure equalization module, described left fittings body (1) and right connector body (5) form left and right two-way suction port, and export three end opening gas COMM communication of gas by gas outlet joint (4); Described gas outlet joint (4) is positioned at gas COMM communication circumferential surface neutral position; Described pressure equalization module is positioned on the circumferential surface of gas COMM communication, described gas outlet joint (4), pressure equalization module are corresponding to be respectively threaded with left fittings body (1), and described right connector body (5) is connected with left fittings body (1) screw thread or bolt; Core body (3) and pressure equalization module point cantact; Core body (3) comprises the cylindrical body that two ends, left and right arrange symmetrical column sealed step respectively; The length of column sealed step is A1, the displacement distance of column sealed step is A, i.e. A > A1, core body (3) cylindrical body circumferential surface is arranged identical left end arc groove (C) and right-hand member arc groove (D), the center of described core body (3) left end arc groove (C) and core body (3) right-hand member arc groove (D) Central Symmetry are in the length direction center line of core body (3), and core body (3) moves left and right distance A and is less than core body (3) left end arc groove (C) and right-hand member arc groove (D) centre distance B; Core body (3) is when fittings body (1) or right connector body (5) direction are moved left, pressure equalization module respectively correspondence moves on core body (3) right-hand member arc groove (D) or core body (3) left end arc groove (C) conical surface, the left column sealed step of described core body (3), the right column sealed step of core body (3) arrange annular groove respectively, the first seal ring (2) is set in annular groove; The left column sealed step of described core body (3), the right column sealed step of core body (3) move in the corresponding endoporus of left fittings body (1), right connector body (5) respectively, the first seal ring (2) sealing set by the column sealed step in a left side, right column sealed step; The junction plane place of gas outlet joint (4), right connector body (5), pressure equalization module and left fittings body (1) arranges at least one groove, arranges the first seal ring (2) in shown groove; The pressure that described pressure equalization module acts on core body (3) surface is P, the axial thrust load of P is P1, the radial component of P is P2, the end thrust that core body (3) left side is produced by left loop supply gas pressure is B1, the end thrust that core body (3) right side is produced by right loop supply gas pressure is B2, as B1 > P1+B2, then core body (3) moves right and forms left loop gas passage, and left fittings body (1) and gas outlet joint (4) are connected; As B2 > P1+B1, then core body (3) is moved to the left and forms right loop gas passage, and right connector body (5) and gas outlet joint (4) are connected; Described gas outlet joint (4) is that the gas of COMM communication exports outlet, is connected with the pipeline of automatic switching cylinder manifold device by pipe fitting.
2. a kind of gas COMM communication according to claim 1, it is characterized in that described pressure equalization module comprises at least three pressurizers, described pressurizer comprises the first steel ball (6), first spring (7), spring fixed seat (8), spring fixed seat (8) is threaded with left fittings body (1), (8) are provided with circular hole to spring fixed seat, first spring (7) is set in spring fixed seat (8) circular hole, described first steel ball (6) is positioned between the first spring (7) and core body (3), core body (3) and the first steel ball (6) point cantact, the power that described first steel ball (6) acts on core body (3) surface is P, the axial thrust load of P is P1, the radial component of P is P2, the end thrust that core body (3) left side is produced by left loop supply gas pressure is B1, the end thrust that core body (3) right side is produced by right loop supply gas pressure is B2, as B1 > P1+B2, then core body (3) moves right and forms left loop gas passage, and left fittings body (1) and gas outlet joint (4) are connected, as B2 > P1+B1, then core body (3) is moved to the left and forms right loop gas passage, and right connector body (5) and gas outlet joint (4) are connected, described pressurizer is uniformly distributed on the external cylindrical surface of gas COMM communication, move to the left or to the right for balancing core body (3) and form the power of right loop gas passage or left loop gas passage, until preset left for air circuit, right air feed loop switch pressure.
3. a kind of gas COMM communication according to claim 1 and 2, characterized by further comprising switching signal transmission assembly (9), described switching signal transmission assembly (9) comprises the second steel ball (11), valve seat (12), second seal ring (13), second spring (14), spool (15), fixed base (16), sensitive switch (17), described sensitive switch (17) is push button, described left fittings body (1) is circumferentially provided with the mounting hole installing switching signal transmission assembly, described second steel ball (11), valve seat (12), second seal ring (13) is positioned in the upper mounting hole installing switching signal transmission assembly of left fittings body (1) successively, described fixed base (16) one end is threaded with left fittings body (1), fixed base (16) the other end fixes sensitive switch (17) shell by internal thread, sensitive switch (17) action reed and spool (15) tip contact, spool (15) is arranged in the endoporus of fixed base (16), spool (15) lower end is through the second seal ring (13) and the second steel ball (11) point cantact, spool (15) upper end contacts with sensitive switch (17), second seal ring (13) is set between valve seat (12) and spool (15), spool (15) is provided with the step of installation second spring (14), fixed base (16) endoporus is provided with the step hole of placement second spring (14), the second spring (14) is provided with between the step hole of spool (15) step and fixed base (16), when core body (3) fittings body (5) direction motion to the right, second steel ball (11) moves to core body (3) left end arc groove (C) top left side, on the maximum diameter cylndrical surface of i.e. core body (3), second steel ball (11) promotes spool (15) motion, sensitive switch (17) action reed is moved, sensitive switch (17) movable contact contacts with sensitive switch (17) fixed contact, produce electrical signal, export to detection facility, when core body (3) fittings body direction motion left, second steel ball (11) moves in core body (3) left end arc groove (C), second spring (14) makes spool (15) move to the second steel ball direction, then sensitive switch (17) does not produce electrical signal.
4. a kind of gas COMM communication according to claim 3, it is characterized in that arc groove is two cone buses and bottom circular arc and the tangent formation of top arc in core body (3), bottom left end arc groove (C) bottom circular arc and right-hand member arc groove (D), radius of arc is greater than the second steel ball radius.
5. an automatic switchover medical gas cylinder manifold device, it is characterized in that comprising the described gas COMM communication of one of Claims 1-4, also comprise left loop air intake assembly, right loop air intake assembly, gas output precision, gas safety discharge circuit assemblies, left loop air intake assembly, right loop air intake assembly, gas output precision correspondence and gas COMM communication (27) left fittings body (1), gas COMM communication (27) right connector body (5), gas COMM communication (27) gas outlet joint (4) is threaded, when move to the right by fittings body (5) direction for gas COMM communication (27) core body (3), form left loop gas supply loop, by the gas in left side medical gas steel cylinder (21) by exporting after the decompression of gas output precision, after fittings body direction is moved when gas COMM communication (27) core body (3), form right loop gas supply loop left, by the gas in the right medical gas steel cylinder (21) by exporting after the decompression of gas output precision, described left loop air intake assembly, right loop air intake assembly comprises respectively: medical gas steel cylinder (21), safety check (22), stop valve (23), one-level decompressor (24), medical gas steel cylinder (21), safety check (22), stop valve (23), one-level decompressor (24) one end is connected successively by gas pipeline, one-level decompressor (24) the other end of left loop air intake assembly, one-level decompressor (24) the other end corresponding and gas COMM communication (27) the left fittings body (1) respectively of right loop air intake assembly, gas COMM communication (27) right connector body (5) is threaded, described gas safety discharge circuit assemblies comprises the first safety valve (33), gas discharge pipe (35), described first safety valve (33) one end is connected with gas COMM communication gas outlet joint (4), and the first safety valve (33) the other end is connected with gas discharge pipe (35) concurrent.
6. a kind of automatic switchover medical gas cylinder manifold device according to claim 5, it is characterized in that described gas output precision comprises at least 1 road gas output loop assembly, described gas output loop assembly comprises the first ball valve (28), second depressurized device (29), the second ball valve (30), and described gas COMM communication (27) gas outlet joint (4), the first ball valve (28), second depressurized device (29), the second ball valve (30) are connected successively by gas pipeline.
7. a kind of automatic switchover medical gas cylinder manifold device according to claim 5, it is characterized in that described gas output precision comprises two-way gas output loop assembly, described gas COMM communication (27) gas outlet joint is connected with first ball valve (28) of two-way gas output loop assembly.
8. a kind of automatic switchover medical gas cylinder manifold device according to claim 6, it is characterized in that described gas output precision also comprises the 3rd ball valve (32), 3rd pressure gauge (31), described left loop air intake assembly, right loop air intake assembly also comprises the first pressure gauge (25) respectively, second pressure gauge (26), gas safety discharge circuit assemblies also comprises the second safety valve (34), described second ball valve (30) respectively with second depressurized device (29), 3rd ball valve (32) connects, described first pressure gauge (25) is arranged between stop valve (23) and one-level decompressor (24), second pressure gauge is arranged between one-level decompressor (24) and gas COMM communication (27), 3rd pressure gauge (31) is arranged between the second ball valve (30) and the 3rd ball valve (32), described second safety valve (34) one end is arranged at the second ball valve (30), between 3rd ball valve (32), described second safety valve (34) the other end is connected with gas discharge pipe 35.
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| CN201310620978.3A CN103629391B (en) | 2013-11-29 | 2013-11-29 | A kind of automatic switchover medical gas cylinder manifold device and gas COMM communication |
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| CN201310620978.3A CN103629391B (en) | 2013-11-29 | 2013-11-29 | A kind of automatic switchover medical gas cylinder manifold device and gas COMM communication |
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| CN103629391B true CN103629391B (en) | 2015-10-28 |
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| CN110005950B (en) * | 2019-03-28 | 2024-03-01 | 珠海奥吉赛医疗科技股份有限公司 | Shaft medical gas multifunctional control system |
| CN114508609A (en) * | 2022-01-27 | 2022-05-17 | 西安航空制动科技有限公司 | Pluggable reversing valve for aircraft brake control system |
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| US4823840A (en) * | 1986-12-29 | 1989-04-25 | Smc Corporation | Changeover valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007303659A (en) * | 2006-05-15 | 2007-11-22 | Okayama Univ | Micro solenoid valve |
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| US4823840A (en) * | 1986-12-29 | 1989-04-25 | Smc Corporation | Changeover valve |
| CN201293205Y (en) * | 2008-11-13 | 2009-08-19 | 丹阳市方蓝气体设备有限公司 | Automatic switchover busbar apparatus |
| CN202590102U (en) * | 2012-05-15 | 2012-12-12 | 四川简阳港通集团有限公司 | Medical gas supply system terminal device |
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Address after: No.356, south section of kailiwei Industrial Avenue, Jianyang City, Chengdu City, Sichuan Province Patentee after: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Address before: 641400 Ziyang city of Sichuan Province, Jianyang city Kailiwei Industrial Avenue South No. 11 Patentee before: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. |
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Denomination of invention: An automatic switching medical gas manifold device and gas switching device Effective date of registration: 20200806 Granted publication date: 20151028 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Registration number: Y2020510000081 |