CN204613773U - Sealed packet vanning pressure control device - Google Patents
Sealed packet vanning pressure control device Download PDFInfo
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- CN204613773U CN204613773U CN201520283433.2U CN201520283433U CN204613773U CN 204613773 U CN204613773 U CN 204613773U CN 201520283433 U CN201520283433 U CN 201520283433U CN 204613773 U CN204613773 U CN 204613773U
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- pressure
- solenoid valve
- sealed packet
- ftercompction
- packet vanning
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Abstract
The utility model provides a kind of sealed packet vanning pressure control device, it comprises inflation ftercompction unit, row pressure unit and computer control unit, inflation ftercompction unit comprises the reduction valve be connected in series in turn in sealed packet vanning air intake opening end institute connecting pipeline, inflation solenoid valve, pressure governor, ftercompction solenoid valve and pressure transducer, and reduction valve air intake opening end is connected with source of the gas; Row pressure unit comprises and is connected in series row pressure solenoid valve in sealed packet vanning exhaust port side institute connecting pipeline; Inflation solenoid valve, pressure governor, ftercompction solenoid valve, row pressure solenoid valve, pressure transducer are all electrically connected with computer control unit.This sealed packet vanning pressure control device improves work efficiency and pressure controling precision, can in real time adjustment kit vanning air pressure inside, make it to keep pressure balance, for the valuable, accurate of pressure sensitive and there is the transport of the large item of particular/special requirement to provide Reliable guarantee.
Description
Technical field
The utility model relates to one and can control in real time, to make it the device remaining pressure balance pressure in sealed packet vanning.
Background technology
Valuable, accurate and have the large item of particular/special requirement, in transit due to the impact of the factor such as height above sea level, air pressure, its packing case internal pressure is often among change, and the change of pressure can cause damage to a certain degree to article; The equilibrium state keeping pressure in sealed packet vanning to be in regulation is all the time the condition precedent of transporting these type of article safely.
Compress control method conventional is at present that degassing method is filled in pointer interpretation and FEEDBACK CONTROL superpressure fills degassing method, it is adopt observation pointer pressure needle deflection situation to judge that pressure changes that degassing method is filled in pointer interpretation, manually bleeding is filled to box house, realize pressure in case and remain on stable region state, overall process, by carrying out manually, also exists that precision is low, cost is high, efficiency is not high, have the deficiencies such as potential safety hazard.It is adopt gases at high pressure to supplement case internal gas pressure that FEEDBACK CONTROL superpressure fills exhaust, need through frequent switch Air inflating and exhausting valve door, pressure stability in the final guard box of ability, this method is being filled in exhaust process and and then gaseous tension can changed further because of gas temperature instability, increase the controlled valve frequency, have a strong impact on the serviceable life of equipment.
Utility model content
Fill degassing method and FEEDBACK CONTROL superpressure for above-mentioned pointer interpretation and fill the defect that degassing method exists, the utility model aims to provide a kind of sealed packet vanning pressure control device that can overcome above-mentioned defect.
The technical scheme of sealing packing case pressure control device is achieved in that
Described sealed packet vanning pressure control device, comprise inflation ftercompction unit, row pressure unit and computer control unit, described inflation ftercompction unit comprises reduction valve, inflation solenoid valve, pressure governor, ftercompction solenoid valve and pressure transducer, and described row pressure unit comprises row pressure solenoid valve;
Described reduction valve, inflation solenoid valve, pressure governor, ftercompction solenoid valve, pressure transducer are connected in series in sealed packet vanning air intake opening end institute connecting pipeline in turn, and reduction valve air intake opening end is connected with source of the gas;
Described row pressure solenoid valve is connected in series in sealed packet vanning exhaust port side institute connecting pipeline;
Described inflation solenoid valve, pressure governor, ftercompction solenoid valve, row pressure solenoid valve, pressure transducer are all electrically connected with computer control unit.
Further, inflatable filter device is also serially connected with in the pipeline between described source of the gas and reduction valve.
Further, ftercompction filtrator is also serially connected with in the sealed packet vanning air intake opening end institute connecting pipeline after described ftercompction solenoid valve.
In described sealed packet vanning pressure control device, in the pipeline between reduction valve and inflation solenoid valve, be also serially connected with tensimeter and manual exhaust valve.
Further, also inflation safety valve is serially connected with in the sealed packet vanning air intake opening end institute connecting pipeline before described reduction valve.
Further, ftercompction safety valve is also serially connected with in the sealed packet vanning air intake opening end institute connecting pipeline after described ftercompction solenoid valve.
Described sealed packet vanning pressure control device also comprises outdoor control box, and sealed packet vanning air intake opening end, exhaust port side institute connecting pipeline are all placed in one.
Sealed packet vanning pressure control device provided by the utility model, under computer control unit controls, packing case air pressure inside is detected by pressure transducer, when air pressure reaches set pressure lower limit, manipulation inflation solenoid valve, pressure governor, ftercompction solenoid valve carry out inflation ftercompction in case; When air pressure reaches set pressure higher limit, handle row pressure solenoid valve and carry out row pressure, thus make packing case air pressure inside remain at the pressure balance of regulation.This sealed packet vanning pressure control device improves work efficiency and pressure controling precision, can in real time adjustment kit vanning air pressure inside, make it to keep pressure balance, for the valuable, accurate of pressure sensitive and there is the transport of the large item of particular/special requirement to provide Reliable guarantee.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is pipeline of the present utility model, electric connecting relation schematic diagram, and wherein dotted line is electrical connecting wires, and solid line is pipeline line;
Fig. 2 is schematic diagram in kind of the present utility model.
Description of reference numerals:
In figure: 1. source of the gas, 2. inflatable filter device, 3. inflation safety valve, 4. reduction valve, 5. tensimeter, 6. manual exhaust valve, 7. inflation solenoid valve, 8. pressure governor, 9. ftercompction solenoid valve, 10. ftercompction safety valve, 11. row pressure solenoid valves, 12. pressure transducers, 13. ftercompction filtrators, 14. sealed packet vannings, 15. computer control units, 16. outdoor control boxs.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Sealed packet vanning pressure control device described in the utility model, as shown in Figure 1, 2, comprise inflation ftercompction unit, row pressure unit and computer control unit 15, inflation ftercompction unit comprises reduction valve 4, inflation solenoid valve 7, pressure governor 8, ftercompction solenoid valve 9 and pressure transducer 12, and row pressure unit comprises row pressure solenoid valve 11;
Described reduction valve 4, inflation solenoid valve 7, pressure governor 8, ftercompction solenoid valve 9, pressure transducer 12 are connected in series sealed packet in turn and case in 14 air intake opening end institute connecting pipelines, and reduction valve 4 air intake opening end is connected with source of the gas 1, source of the gas 1 is generally air or nitrogen, its working pressure is larger, need reduce pressure through reduction valve 4, deliver to pressure governor 8 again, pressure governor 8 can control air pressure constant output by computer control unit 15;
Described row pressure solenoid valve 11 is connected in series sealed packet and cases in 14 exhaust port side institute connecting pipelines;
Described inflation solenoid valve 7, pressure governor 8, ftercompction solenoid valve 9, row pressure solenoid valve 11, pressure transducer 12 are all electrically connected with computer control unit 15.
The principle of work of this pressure control device is as follows: force value in the vanning of pressure transducer 12 Real-Time Monitoring sealed packet also sends signal to computer control unit 15, when case internal gas pressure is increased to set pressure higher limit under external factor impact, computer control unit 15 controls row pressure solenoid valve 11 and opens, by be connected to sealed packet case 14 exhaust port sides pipeline by case gas discharge, when pressure transducer 12 to monitor in case after force value returns setting exhaust end value, computer control unit 15 controls row pressure solenoid valve 11 and closes, and exhaust process terminates, when case internal gas pressure is reduced to set pressure lower limit under external factor impact, computer control unit 15 controls inflation solenoid valve 7 and opens, pressure is adjusted to setting polishing force value by controlled pressure regulator 8 simultaneously, control ftercompction solenoid valve 9 again to open, inflation ftercompction is carried out in case by being connected to the case pipeline of 14 air intake opening ends of sealed packet, when pressure transducer 12 to monitor in case after force value returns setting inflation ftercompction end value, computer control unit 15 controls to inflate solenoid valve 7 successively, ftercompction solenoid valve 9 cuts out, and pressure governor 8 pressure is adjusted to 0, boosting tonifying Qi process terminates.This pressure control device is exactly by above-mentioned boosting tonifying Qi, exhaust two course of action, switches in real time, thus makes packing case air pressure inside remain at the pressure balance of regulation.
Also be serially connected with inflatable filter device 2 in pipeline between described source of the gas 1 and reduction valve 4, source of the gas 1 is once filtered.
Sealed packet after described ftercompction solenoid valve 9 is cased in 14 air intake opening end institute connecting pipelines and is also serially connected with ftercompction filtrator 13, carries out secondary filtration, guarantee that source of the gas 1 is pure, in order to avoid cause damage to article in case before source of the gas 1 enters sealed packet vanning 14 to it.
Also be serially connected with in pipeline between described reduction valve 4 and inflation solenoid valve 7 for detecting the tensimeter 5 of reduction valve 4 top hole pressure and the manual exhaust valve 6 of manual exhaust decompression can being carried out, to protect pressure governor 8 inlet pressure to overflow, cause damage.
Sealed packet before described reduction valve 4 is cased in 14 air intake opening end institute connecting pipelines and is also serially connected with inflation safety valve 3, and the automatic vent when reduction valve 4 inlet pressure overflows, plays safety effect.
In like manner, the sealed packet after described ftercompction solenoid valve 9 is cased in 14 air intake opening end institute connecting pipelines and is also serially connected with ftercompction safety valve 10.
In addition; because this pressure control device working environment is often in open air; in order to reduce the impact of external factor on each parts of this device; protective device safety and normal operation; described sealed packet vanning pressure control device also comprises outdoor control box 16, and case 14 air intake opening ends, exhaust port side institute connecting pipeline of sealed packet is all placed in one.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a sealed packet vanning pressure control device, it is characterized in that: comprise inflation ftercompction unit, row pressure unit and computer control unit (15), described inflation ftercompction unit comprises reduction valve (4), inflation solenoid valve (7), pressure governor (8), ftercompction solenoid valve (9) and pressure transducer (12), and described row pressure unit comprises row pressure solenoid valve (11);
Described reduction valve (4), inflation solenoid valve (7), pressure governor (8), ftercompction solenoid valve (9), pressure transducer (12) are connected in series in sealed packet vanning (14) air intake opening end institute connecting pipeline in turn, and reduction valve (4) air intake opening end is connected with source of the gas (1);
Described row pressure solenoid valve (11) is connected in series in sealed packet vanning (14) exhaust port side institute connecting pipeline;
Described inflation solenoid valve (7), pressure governor (8), ftercompction solenoid valve (9), row pressure solenoid valve (11), pressure transducer (12) are all electrically connected with computer control unit (15).
2. sealed packet vanning pressure control device according to claim 1, is characterized in that: be also serially connected with inflatable filter device (2) in the pipeline between described source of the gas (1) and reduction valve (4).
3. sealed packet vanning pressure control device according to claim 2, is characterized in that: be also serially connected with ftercompction filtrator (13) in sealed packet vanning (14) the air intake opening end institute connecting pipeline after described ftercompction solenoid valve (9).
4. sealed packet vanning pressure control device according to claim 3, is characterized in that: be also serially connected with tensimeter (5) and manual exhaust valve (6) in the pipeline between described reduction valve (4) and inflation solenoid valve (7).
5. sealed packet vanning pressure control device according to claim 4, is characterized in that: be also serially connected with inflation safety valve (3) in sealed packet vanning (14) air intake opening end institute connecting pipeline that described reduction valve (4) is front.
6. sealed packet vanning pressure control device according to claim 5, is characterized in that: be also serially connected with ftercompction safety valve (10) in sealed packet vanning (14) the air intake opening end institute connecting pipeline after described ftercompction solenoid valve (9).
7. sealed packet vanning pressure control device according to any one of claim 1 to 6, it is characterized in that: described sealed packet vanning pressure control device also comprises outdoor control box (16), and sealed packet vanning (14) air intake opening end, exhaust port side institute connecting pipeline are all placed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283433.2U CN204613773U (en) | 2015-05-04 | 2015-05-04 | Sealed packet vanning pressure control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283433.2U CN204613773U (en) | 2015-05-04 | 2015-05-04 | Sealed packet vanning pressure control device |
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| CN204613773U true CN204613773U (en) | 2015-09-02 |
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| CN201520283433.2U Active CN204613773U (en) | 2015-05-04 | 2015-05-04 | Sealed packet vanning pressure control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834327A (en) * | 2015-05-04 | 2015-08-12 | 天津博益气动股份有限公司 | Sealing package box pressure control device |
| CN105347460A (en) * | 2015-11-25 | 2016-02-24 | 新奥科技发展有限公司 | Super-critical water reaction system and pressure control method and device thereof |
| CN107866979A (en) * | 2017-12-12 | 2018-04-03 | 湖南精正设备制造有限公司 | A kind of Raw material pail of reaction injection molding device and batch can air-pressure balancing device |
| CN109110330A (en) * | 2018-10-24 | 2019-01-01 | 天津市天元机械制造有限公司 | A kind of industry stock pressure tank |
-
2015
- 2015-05-04 CN CN201520283433.2U patent/CN204613773U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834327A (en) * | 2015-05-04 | 2015-08-12 | 天津博益气动股份有限公司 | Sealing package box pressure control device |
| CN105347460A (en) * | 2015-11-25 | 2016-02-24 | 新奥科技发展有限公司 | Super-critical water reaction system and pressure control method and device thereof |
| CN107866979A (en) * | 2017-12-12 | 2018-04-03 | 湖南精正设备制造有限公司 | A kind of Raw material pail of reaction injection molding device and batch can air-pressure balancing device |
| CN109110330A (en) * | 2018-10-24 | 2019-01-01 | 天津市天元机械制造有限公司 | A kind of industry stock pressure tank |
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