CN215813864U - Gas circuit distribution device - Google Patents
Gas circuit distribution device Download PDFInfo
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- CN215813864U CN215813864U CN202123299003.4U CN202123299003U CN215813864U CN 215813864 U CN215813864 U CN 215813864U CN 202123299003 U CN202123299003 U CN 202123299003U CN 215813864 U CN215813864 U CN 215813864U
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 38
- 238000010926 purge Methods 0.000 claims abstract description 31
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a gas path distribution device which comprises a mounting plate, a pressure regulating valve, a manual valve, a flowmeter, a gas path distributor, a solenoid valve, three valve groups, a pressure transmitter, a differential pressure switch, a pipeline and a pipe fitting, wherein the pressure regulating valve, the manual valve, the flowmeter, the gas path distributor, the solenoid valve, the three valve groups, the pressure transmitter and the differential pressure switch are fixedly connected to the mounting plate, the gas path distribution device is provided with a gas inlet interface, a gas source is divided into a working gas source and a purging gas source after entering through the gas inlet interface, the working gas source is provided with a plurality of outlet low-pressure sides and a plurality of outlet high-pressure sides, the purging gas source only purges the outlet high-pressure sides, and gas path switching is realized through the solenoid valve. The pressure transmitter and the pressure difference switch are used for monitoring the pressure difference between the high pressure side of the outlet and the low pressure side of the outlet, and the electromagnetic valve is controlled to change direction through the pressure difference switch, so that the gas circuit switching of the high pressure gas source and the purging gas source is realized, and the instrument can normally work when the high pressure side is purged and cleaned.
Description
Technical Field
The utility model belongs to the technical field of automatic blowing and cleaning of factory equipment, and particularly relates to a gas path distribution device.
Background
At present, when factory equipment automatically sweeps and cleans a high-pressure side, a pressure gauge and a pressure transmitter on the equipment are required to work normally, and the normal work means that the pressure is displayed in the range of the pressure gauge and the pressure transmitter; the air source pressure when the equipment is purged is higher than the operating pressure of the equipment, so that the failure or damage of the pressure gauge can be caused; therefore, a universal gas circuit distribution device is needed to ensure that the instrument can work normally when the purging is clean.
In view of the above, the present invention is particularly proposed.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a gas path distribution device which comprises a mounting plate, a pressure regulating valve, a manual valve, a flowmeter, a gas path distributor, a solenoid valve, three valve groups, a pressure transmitter, a differential pressure switch, a pipeline and a pipe fitting, wherein the pressure regulating valve, the manual valve, the flowmeter, the gas path distributor, the solenoid valve, the three valve groups, the pressure transmitter and the differential pressure switch are fixedly connected to the mounting plate; the pressure regulating valves are respectively a first pressure regulating valve and a second pressure regulating valve, the first pressure regulating valve controls the pressure at the high pressure side of the outlets, the second pressure regulating valve controls the pressure at the low pressure side of the outlets,
the flow meters are provided with a plurality of high-pressure flow meters I, a high-pressure flow meter II, a high-pressure flow meter III, a low-pressure flow meter IV and a low-pressure flow meter V, the number of the high-pressure flow meters is equal to that of the high-pressure sides of the outlets, the flow rate of the high-pressure side of each outlet is respectively monitored, the number of the low-pressure flow meters is equal to that of the low-pressure sides of the outlets, the flow rate of the low-pressure side of each outlet is respectively monitored,
the electromagnetic valves are provided with a plurality of first electromagnetic valves, second electromagnetic valves, third electromagnetic valves, fourth electromagnetic valves, fifth electromagnetic valves and sixth electromagnetic valves respectively, the pressure difference switches are provided with a plurality of first pressure difference switches and second pressure difference switches respectively,
the pipe fitting comprises a single joint, a joint and a tee joint, the gas path distribution device is provided with a gas inlet interface, a gas source is divided into a working gas source and a blowing gas source after entering through the gas inlet interface,
the working gas source is provided with a plurality of outlet low-pressure sides which are respectively an outlet low-pressure side I and an outlet low-pressure side II, the pressure regulating valve II is connected with the low-pressure flowmeter IV and the low-pressure flowmeter V, outlets of the low-pressure flowmeter IV and the low-pressure flowmeter V are respectively connected with the outlet low-pressure side I and the outlet low-pressure side II, the working gas source is provided with a plurality of outlet high-pressure sides which are respectively an outlet high-pressure side I, an outlet high-pressure side II and an outlet high-pressure side III, the pressure regulating valve I is connected with the high-pressure flowmeter I, the high-pressure flowmeter II and the high-pressure flowmeter V, outlets of the high-pressure flowmeter I, the high-pressure flowmeter II and the high-pressure flowmeter V are respectively connected with normally closed interfaces of the solenoid valve I, the solenoid valve II and the solenoid valve III, the outlets of the solenoid valve I, the solenoid valve II and the solenoid valve III are respectively connected with outlets of the outlet high-pressure side I, the outlet high-pressure side II and the outlet high-pressure side III, and the purging gas source purges only the outlet high-pressure side, the manual valve is connected with the gas circuit distributor, and the outlet of the gas circuit distributor is respectively connected with the normally open interfaces of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve;
when the high-pressure sides of the outlets are purged, the pressure difference between the high-pressure sides of the outlets and the low-pressure sides of the outlets is monitored through the pressure transmitter, the first pressure difference switch and the second pressure difference switch, the reversing action of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve is controlled through the first pressure difference switch and the second pressure difference switch, and normally open interfaces of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are connected, so that the gas circuit switching of a high-pressure gas source and a purging gas source in a working gas source is realized.
Further, the manual valves are arranged to be one for controlling the purge gas source.
Further, the air channel distributor interface is provided with one inlet and a plurality of outlets.
Further, the type of the electromagnetic valve is a two-position three-way electromagnetic valve.
Furthermore, a normally closed interface of the electromagnetic valve IV is connected with the outlet high-pressure side I, and a normally open interface of the electromagnetic valve IV is connected with the outlet high-pressure side II.
Furthermore, a normally closed interface of the electromagnetic valve five is connected with the outlet high-pressure side two, and a normally open interface is connected with the outlet high-pressure side one.
Furthermore, a normally closed interface of the solenoid valve six is connected with the outlet high-pressure side two, and a normally open interface is connected with the outlet high-pressure side one.
Furthermore, the three valve groups are provided with one inlet, one inlet of each three valve group is connected with the six outlets of the electromagnetic valve, and the other inlet of each three valve group is connected with the second outlet low-pressure side.
Furthermore, the pressure transmitter is provided with one, and two inlets of the pressure transmitter are respectively connected with two outlets of the three valve groups.
Further, each differential pressure switch has two inlets; an inlet of the first pressure difference switch is connected with four outlets of the electromagnetic valve, and the other inlet of the first pressure difference switch is connected with a low-pressure side of the outlet; and the inlet of the second differential pressure switch is connected with the outlet of the fifth electromagnetic valve, and the other inlet of the second differential pressure switch is connected with the low-pressure side I of the outlet.
The gas path distribution device provided by the utility model has the following beneficial effects:
the utility model controls the reversing action of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve through the first differential pressure switch and the second differential pressure switch, and the normally open interfaces of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are communicated, thereby realizing the gas circuit switching of a high-pressure gas source and a purging gas source in a working gas source and ensuring that the instrument can normally work when the high-pressure side is purged and cleaned.
Drawings
FIG. 1 is a first structural schematic diagram of the air path distribution device of the present invention;
FIG. 2 is a second structural diagram of the air path distribution device of the present invention;
in the figure: 1. the mounting plate comprises a mounting plate, 21, a first pressure regulating valve, 22, a second pressure regulating valve, 3, a manual valve, 41, a first high-pressure flow meter, 42, a second high-pressure flow meter, 43, a third high-pressure flow meter, 44, a fourth low-pressure flow meter, 45, a fifth low-pressure flow meter, 5, an air path distributor, 61, a first electromagnetic valve, 62, a second electromagnetic valve, 63, a third electromagnetic valve, 64, a fourth electromagnetic valve, 65, a fifth electromagnetic valve, 66, a sixth electromagnetic valve, 7, a third valve group, 8, a pressure transmitter, 91, a first differential pressure switch, 92, a second differential pressure switch, 10, a pipeline, 11, a pipe fitting, an N1. air inlet interface, a first low-pressure side of an LP1 outlet, a second low-pressure side of an LP2, a second low-pressure side of an HP1, a first high-pressure side of an HP2, a second high-pressure side of an HP3, and a third high-pressure side of an outlet.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and further it is to be understood that when used in this specification the word "comprise" and/or "comprises" indicates the presence of the feature, step, operation, component or module, element and/or combination thereof.
For convenience of description, spatially relative terms such as "front, rear, left, right" and the like may be used herein based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention or simplifying the description, and the spatially relative descriptions used herein are to be interpreted accordingly.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Examples
As shown in fig. 1 and 2, the air path distribution device comprises a mounting plate 1, a first pressure regulating valve 21, a second pressure regulating valve 22, a manual valve 3, a first high pressure flow meter 41, a second high pressure flow meter 42, a third high pressure flow meter 43, a fourth low pressure flow meter 44, a fifth low pressure flow meter 45, an air path distributor 5, a first electromagnetic valve 61, a second electromagnetic valve 62, a third electromagnetic valve 63, a fourth electromagnetic valve 64, a fifth electromagnetic valve 65, a sixth electromagnetic valve 66, a triple valve group 7, a pressure transmitter 8, a first differential pressure switch 91, a second differential pressure switch 92, a pipeline 10 and a pipe 11, wherein the pipe 11 comprises a single joint, a joint and a tee joint, the first pressure regulating valve 21, the second pressure regulating valve 22, the manual valve 3, the first high pressure flow meter 41, the second high pressure flow meter 42, the third high pressure flow meter 43, the fourth low pressure flow meter 44, the fifth low pressure flow meter 45, an air path distributor 5, the first electromagnetic valve 61, the second electromagnetic valve 62, the third electromagnetic valve 63, the manual valve 3, the manual valve and the manual valve, The four solenoid valves 64, the five solenoid valves 65, the six solenoid valves 66, the three valve groups 7, the pressure transmitter 8, the first differential pressure switch 91 and the second differential pressure switch 92 are fixedly connected to the mounting plate 1; the pressure regulating valves are provided with a plurality of pressure regulating valves I21 and two pressure regulating valves II 22, the pressure regulating valves I21 control the pressure of the outlet high-pressure side I HP1, the outlet high-pressure side II HP2 and the outlet high-pressure side III HP3, and the pressure regulating valves II 22 control the pressure of the outlet low-pressure side I LP1 and the pressure of the outlet low-pressure side II LP 2;
the flow meters are provided with a plurality of high-pressure flow meters I41, a high-pressure flow meter II 42, a high-pressure flow meter III 43, a low-pressure flow meter IV 44 and a low-pressure flow meter V45, the number of the high-pressure flow meters is equal to that of the high-pressure sides of the outlets, the flow of the high-pressure side of each outlet is respectively monitored, the number of the low-pressure flow meters is equal to that of the low-pressure sides of the outlets, and the flow of the low-pressure side of each outlet is respectively monitored;
the solenoid valve sets up a plurality ofly, is solenoid valve 61 respectively, solenoid valve two 62, solenoid valve three 63, solenoid valve four 64, solenoid valve five 65, solenoid valve six 66, the pressure differential switch sets up a plurality ofly, is pressure differential switch 91 respectively, pressure differential switch two 92, the pipe fitting includes single-end connection, joint, tee bend, for example: the single joint is used for the inlet and the outlet of the pressure regulating valve, the joint is used for the high pressure side and the low pressure side of the outlet, and the tee joint is used for connecting the pressure regulating valve and the manual valve 3.
The gas path distribution device is provided with a gas inlet interface N1, and a gas source is divided into a working gas source and a purging gas source after entering through the gas inlet interface N1;
the working air source is provided with a plurality of outlet low-pressure sides, namely an outlet low-pressure side LP1 and an outlet low-pressure side LP2, and the path is as follows: the air source is connected with a fourth low-pressure flowmeter 44 and a fifth low-pressure flowmeter 45 through a second pressure regulating valve 22 through an air inlet connector N1, and outlets of the fourth low-pressure flowmeter 44 and the fifth low-pressure flowmeter 45 are respectively connected to a first outlet low-pressure side LP1 and a second outlet low-pressure side LP 2;
the working air source is provided with a plurality of outlet high-pressure sides, namely an outlet high-pressure side HP1, an outlet high-pressure side HP2 and an outlet high-pressure side HP3, and the path is as follows: the air source is connected with a first high-pressure flow meter 41, a second high-pressure flow meter 42 and a third high-pressure flow meter 43 through an air inlet interface N1 and a pressure regulating valve 21, outlets of the first high-pressure flow meter 41, the second high-pressure flow meter 42 and the third high-pressure flow meter 43 are respectively connected with normally closed interfaces of a first electromagnetic valve 61, a second electromagnetic valve 62 and a third electromagnetic valve 63, and are respectively connected with a first outlet high-pressure side HP1, a second outlet high-pressure side HP2 and a third outlet high-pressure side HP3 through outlets of the first electromagnetic valve 61, the second electromagnetic valve 62 and the third electromagnetic valve 63;
the purge gas source only purges the first outlet high-pressure side HP1, the second outlet high-pressure side HP2 and the third outlet high-pressure side HP3, and the purge path is as follows: after an air source enters through an air inlet interface N1, the manual valve 3 is connected with the air path distributor 5, and three outlets of the air path distributor 5 are respectively connected with normally open interfaces of a first electromagnetic valve 61, a second electromagnetic valve 62 and a third electromagnetic valve 63;
when the first outlet high-pressure side HP1, the second outlet high-pressure side HP2 and the third outlet high-pressure side HP3 are purged, the pressure difference between the high-pressure side of the outlet and the low-pressure side of the outlet is monitored through the pressure transmitter 8, the first pressure difference switch 91 and the second pressure difference switch 92, the reversing actions of the first electromagnetic valve 61, the second electromagnetic valve 62 and the third electromagnetic valve 63 are controlled through the first pressure difference switch 91 and the second pressure difference switch 92, normally open interfaces of the first electromagnetic valve 61, the second electromagnetic valve 62 and the third electromagnetic valve 63 are communicated, and gas circuit switching of a high-pressure gas source and a purge gas source in a working gas source is achieved.
Further, the manual valve 3 is used for controlling a purge gas source.
Further, the air path distributor 5 is provided with one inlet and three outlets.
Further, the type of the electromagnetic valve is a two-position three-way electromagnetic valve.
The connection relationship among the four solenoid valve 64, the five solenoid valve 65 and the six solenoid valve 66 is as follows:
the normally closed interface of solenoid valve four 64 is connected with outlet high pressure side HP1, and the normally open interface is connected with outlet high pressure side tri HP3.
The normally closed interface of the solenoid valve five 65 is connected with the outlet high-pressure side two HP2, and the normally open interface is connected with the outlet high-pressure side one HP1.
The normally closed interface of the solenoid valve six 66 is connected with the outlet high-pressure side two HP2, and the normally open interface is connected with the outlet high-pressure side one HP1.
Furthermore, the three valve groups 7 are provided with one inlet, one inlet of each three valve group 7 is connected with the outlet of the solenoid valve six 66, and the other inlet of each three valve group 7 is connected with the outlet low-pressure side two LP2. The three valve groups are mainly used for connecting the pressure transmitter.
Furthermore, the pressure transmitter 8 is provided with one, and two inlets of the pressure transmitter 8 are respectively connected with two outlets of the three-valve group 7. The pressure transmitter is mainly used for outputting pressure signals.
Further, each differential pressure switch has two inlets; the inlet of the first pressure difference switch 91 is connected with the outlet of the fourth electromagnetic valve 64, and the other inlet of the first pressure difference switch is connected with the low-pressure side LP1 of the outlet; the inlet of the pressure difference switch II 92 is connected with the outlet of the solenoid valve five 65, and the other inlet is connected with the outlet low-pressure side LP1.
The pressure difference switch is mainly used for monitoring the pressure difference between the working air source at the low pressure side and the working air source at the high pressure side of the outlet and during purging, and is used for controlling the reversing of the first electromagnetic valve 61, the second electromagnetic valve 62, the third electromagnetic valve 63, the fourth electromagnetic valve 64, the fifth electromagnetic valve 65 and the sixth electromagnetic valve 66. When the four solenoid valve 64 normally closed port is connected, the first pressure difference switch 91 monitors the pressure difference between the first outlet high-pressure side HP1 and the first outlet low-pressure side LP 1; when the four solenoid valve 64 is open, the first pressure difference switch 91 monitors the pressure difference between the three outlet high pressure sides HP3 and the one outlet low pressure side LP1.
When the normally closed interface of the solenoid valve five 65 is connected, the pressure difference switch two 92 monitors the pressure difference between the outlet high-pressure side two HP2 and the outlet low-pressure side one LP 1; when the normally open port of solenoid valve five 65 is closed, pressure differential switch two 92 monitors the pressure differential between outlet high pressure side one HP1 and outlet low pressure side one LP1.
When the solenoid valve six 66 normally closed interface is switched on, the pressure transmitter 8 connected with the three-valve group 7 monitors the pressure difference between the outlet high-pressure side two HP2 and the outlet low-pressure side two LP 2; when the solenoid valve six 66 normally open interface is on, the pressure transmitter 8 monitors the pressure differential between the outlet high pressure side one HP1 and the outlet low pressure side two LP2.
When the first outlet high-pressure side HP1, the second outlet high-pressure side HP2 and the third outlet high-pressure side HP3 are purged, the logical relations among the solenoid valve, the differential pressure switch and the pressure transmitter are as follows:
the manual valve 3 is opened, the first pressure regulating valve 21 is adjusted,
when the pressure difference switch I91 monitors that the pressure difference between the outlet high-pressure side I HP1 and the outlet low-pressure side I LP1 exceeds a set value A, the normally closed interface of the electromagnetic valve I61 is disconnected, the normally open interface is connected, and the purging gas source enters the outlet high-pressure side I HP 1; meanwhile, when the pressure difference switch II 92 monitors that the pressure difference between the outlet high-pressure side II HP2 and the outlet low-pressure side I LP1 exceeds a set value A, the normally closed interface of the electromagnetic valve II 62 is disconnected, the normally open interface of the electromagnetic valve II is connected, and the purging gas source enters the outlet high-pressure side II HP 2; meanwhile, the normally closed interface of the solenoid valve six 66 is connected, and the pressure transmitter 8 monitors the pressure difference between the outlet high-pressure side two HP2 and the outlet low-pressure side two LP 2;
the first pressure regulating valve 21 is adjusted,
when the first pressure difference switch 91 monitors that the pressure difference between the first outlet high-pressure side HP1 and the first outlet low-pressure side LP1 exceeds a set value B, the normally closed interface of the first electromagnetic valve 61 is connected, the normally open interface of the first electromagnetic valve is disconnected, purging of the first outlet high-pressure side HP1 is completed, and the first outlet high-pressure side HP1 works normally; meanwhile, the normally closed interface of the second electromagnetic valve 62 is switched on, and the normally open interface is switched off, so that purging of the second outlet high-pressure side HP2 is completed, and the second outlet high-pressure side HP2 works normally; meanwhile, a normally closed interface of the electromagnetic valve III 63 is disconnected, a normally open interface of the electromagnetic valve III is connected, and a purging gas source enters the outlet high-pressure side III HP 3; meanwhile, a normally closed interface of the fourth electromagnetic valve 64 is disconnected, a normally open interface of the fourth electromagnetic valve is connected, and a first pressure difference switch 91 monitors the pressure difference between a third HP3 at the high-pressure side of the outlet and a first LP1 at the low-pressure side of the outlet;
meanwhile, a normally closed interface of the five solenoid valve 65 is disconnected, a normally open interface of the five solenoid valve is connected, and a pressure difference switch II 92 monitors the pressure difference between an outlet high-pressure side I HP1 and an outlet low-pressure side I LP 1;
meanwhile, a normally closed interface of the six 66 electromagnetic valves is disconnected, and a normally open interface is connected, and the pressure transmitter 8 monitors the pressure difference between the first outlet high-pressure side HP1 and the second outlet low-pressure side LP 2;
the first pressure regulating valve 21 is adjusted,
when the first pressure difference switch 91 monitors that the pressure difference between the three HP3 at the high-pressure side of the outlet and the first LP1 at the low-pressure side of the outlet exceeds a set value C, the normally closed interface of the third electromagnetic valve 63 is switched on, and the normally open interface of the third electromagnetic valve is switched off, so that purging of the three HP3 at the high-pressure side of the outlet is completed, and the three HP3 at the high-pressure side of the outlet works normally;
meanwhile, a normally closed interface of the four solenoid valves 64 is switched on, a normally open interface of the four solenoid valves is switched off, and a first pressure difference switch 91 monitors the pressure difference between a first outlet high-pressure side HP1 and a first outlet low-pressure side LP 1;
meanwhile, a normally closed interface of the five solenoid valve 65 is switched on, a normally open interface of the five solenoid valve is switched off, and a pressure difference switch II 92 monitors the pressure difference between an outlet high-pressure side II HP2 and an outlet low-pressure side I LP 1;
meanwhile, a normally closed interface of the six 66 electromagnetic valves is switched on, and a normally open interface is switched off, and the pressure transmitter 8 monitors the pressure difference between the second outlet high-pressure side HP2 and the second outlet low-pressure side LP 2;
the working principle of the utility model is as follows:
specifically, in this embodiment, a certain sealed container is provided with an air pipeline, and an air inlet connector N1, an outlet low-pressure side LP1, an outlet low-pressure side LP2, an outlet high-pressure side HP1, an outlet high-pressure side HP2 and an outlet high-pressure side tri HP3 are arranged. The purging gas source purges only the first outlet high-pressure side HP1, the second outlet high-pressure side HP2 and the third outlet high-pressure side HP3, the pressure difference between the high-pressure side of the outlet and the low-pressure side of the outlet is monitored through the pressure transmitter 8, the first pressure difference switch 91 and the second pressure difference switch 92, the reversing actions of the first electromagnetic valve 61, the second electromagnetic valve 62 and the third electromagnetic valve 63 are controlled through the first pressure difference switch 91 and the second pressure difference switch 92, the normally-open interfaces B of the first electromagnetic valve 61, the second electromagnetic valve 62 and the third electromagnetic valve 63 are connected, the gas circuit switching of the high-pressure gas source and the purging gas source in the working gas source is achieved, and the instrument can work normally when the first outlet high-pressure side HP1, the second outlet high-pressure side HP2 and the third outlet high-pressure side HP3 are purged and cleaned.
The present invention has been described in detail with reference to specific embodiments, which are provided to assist in understanding the core concepts of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A gas circuit distribution device is characterized in that: the device comprises a mounting plate, a pressure regulating valve, a manual valve, a flowmeter, a gas circuit distributor, a solenoid valve, three valve groups, a pressure transmitter, a pressure difference switch, a pipeline and a pipe fitting, wherein the pressure regulating valve, the manual valve, the flowmeter, the gas circuit distributor, the solenoid valve, the three valve groups, the pressure transmitter and the pressure difference switch are fixedly connected to the mounting plate, a plurality of pressure regulating valves are respectively a first pressure regulating valve and a second pressure regulating valve, the first pressure regulating valve controls the pressure of a plurality of outlet high-pressure sides, the second pressure regulating valve controls the pressure of a plurality of outlet low-pressure sides, the plurality of flowmeters are respectively a first high-pressure flowmeter, a second high-pressure flowmeter, a third high-pressure flowmeter, a fourth low-pressure flowmeter and a fifth low-pressure flowmeter, the number of the high-pressure flowmeters is equal to the number of the outlet high-pressure sides, the flow of each outlet high-pressure side is respectively monitored, and the number of the low-pressure flowmeters is equal to the number of the outlet low-pressure sides, the flow of each outlet low-pressure side is respectively monitored, the number of the electromagnetic valves is multiple, namely a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve and a sixth electromagnetic valve, the number of the differential pressure switches is multiple, namely a first differential pressure switch and a second differential pressure switch, the gas circuit distribution device is provided with a gas inlet interface, a gas source is divided into a working gas source and a purging gas source after entering through the gas inlet interface, the working gas source is provided with a plurality of outlet low-pressure sides, namely a first outlet low-pressure side and a second outlet low-pressure side, the pressure regulating valve is connected with a fourth low-pressure flow meter and a fifth low-pressure flow meter, outlets of the fourth low-pressure flow meter and the fifth low-pressure flow meter are respectively connected with a first outlet low-pressure side and a second outlet low-pressure side, the working gas source is provided with a plurality of outlet high-pressure sides, namely a first outlet high-pressure side, a second outlet high-pressure side and a third outlet high-pressure side, and the pressure regulating valve is connected with a first high-pressure flow meter, The outlets of the first high-pressure flowmeter, the second high-pressure flowmeter and the third high-pressure flowmeter are respectively connected with the normally closed interfaces of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve and are respectively connected with the first outlet high-pressure side, the second outlet high-pressure side and the third outlet high-pressure side through the outlets of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve, the purging gas source only purges the high-pressure side of the outlet, the manual valve is connected with the gas path distributor, the outlet of the gas path distributor is respectively connected with the normally open interfaces of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve, when the multiple outlet high-pressure sides are purged, the pressure difference between the high-pressure side of the outlet and the low-pressure side of the outlet is monitored through the pressure transmitter, the first pressure difference switch and the second pressure difference switch, the reversing actions of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are controlled through the first pressure difference switch and the second pressure switch, and the first electromagnetic valve, And the normally open interfaces of the second electromagnetic valve and the third electromagnetic valve are switched on, so that the gas circuit switching of a high-pressure gas source and a purging gas source in a working gas source is realized.
2. A gas circuit distributing device according to claim 1, wherein said manual valves are provided as one for controlling the purge gas source.
3. The air path distribution device according to claim 1, wherein the air path distributor interface is configured as one inlet and a plurality of outlets.
4. A gas circuit distributing device according to claim 1, wherein said solenoid valve is a two-position three-way solenoid valve.
5. The gas circuit distribution device according to claim 1, wherein the normally closed port of the fourth solenoid valve is connected to the high pressure side of the outlet, and the normally open port is connected to the high pressure side of the outlet.
6. The gas path distribution device according to claim 1, wherein the normally closed port of the solenoid valve five is connected to the outlet high pressure side two, and the normally open port is connected to the outlet high pressure side one.
7. The gas path distribution device according to claim 1, wherein the normally closed port of the solenoid valve six is connected to the outlet high pressure side two, and the normally open port is connected to the outlet high pressure side one.
8. The air path distribution device as claimed in claim 1, wherein one of the three valve sets is provided, one inlet of the three valve set is connected with a six-outlet of the solenoid valve, and the other inlet is connected with a second outlet low-pressure side.
9. The gas path distribution device according to claim 1, wherein there is one pressure transmitter, and two inlets of the pressure transmitter are respectively connected to two outlets of the three-valve set.
10. A gas circuit distributing device according to claim 1, wherein each differential pressure switch has two inlets; an inlet of the first pressure difference switch is connected with four outlets of the electromagnetic valve, and the other inlet of the first pressure difference switch is connected with a low-pressure side of the outlet; and the inlet of the second differential pressure switch is connected with the outlet of the fifth electromagnetic valve, and the other inlet of the second differential pressure switch is connected with the low-pressure side I of the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299003.4U CN215813864U (en) | 2021-12-27 | 2021-12-27 | Gas circuit distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299003.4U CN215813864U (en) | 2021-12-27 | 2021-12-27 | Gas circuit distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215813864U true CN215813864U (en) | 2022-02-11 |
Family
ID=80170371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123299003.4U Expired - Fee Related CN215813864U (en) | 2021-12-27 | 2021-12-27 | Gas circuit distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215813864U (en) |
-
2021
- 2021-12-27 CN CN202123299003.4U patent/CN215813864U/en not_active Expired - Fee Related
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Granted publication date: 20220211 |