CN203333300U - Full-automatic nitrogen charging device for photoelectric instruments - Google Patents

Full-automatic nitrogen charging device for photoelectric instruments Download PDF

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Publication number
CN203333300U
CN203333300U CN2013202857458U CN201320285745U CN203333300U CN 203333300 U CN203333300 U CN 203333300U CN 2013202857458 U CN2013202857458 U CN 2013202857458U CN 201320285745 U CN201320285745 U CN 201320285745U CN 203333300 U CN203333300 U CN 203333300U
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nitrogen
magnetic valve
valve
adsorption tower
air
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CN2013202857458U
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Chinese (zh)
Inventor
张勇
王伟明
马东玺
张岭
闫鹏程
冯广斌
马振书
孙江生
张连武
李春雷
王强
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Ordnance Technology Research Institute of General Armament Department of Chinese PLA
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Ordnance Technology Research Institute of General Armament Department of Chinese PLA
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Abstract

The utility model provides a full-automatic nitrogen charging device for photoelectric instruments. The device comprises an air supply device, a nitrogen separation and detection device, a vacuumizing and inflating device and a control system. According to the full-automatic nitrogen charging device, the air supply device is used for extracting a needed air source from the atmosphere; the nitrogen separation and detection device can be used for realizing the function of preparing nitrogen, and can guarantee the prepared nitrogen to have high purity and a low dew point so as to meet the nitrogen charging demand of the photoelectric instruments; the vacuumizing and inflating device can be used for realizing the functions of nitrogen charging and vacuumizing on the various types of photoelectric instruments; the full-automatic nitrogen charging device can automatically run under the condition that the air supply device, the nitrogen separation and detection device and the vacuumizing and inflating device are coordinated by the control system in a unified way, so that the high-purity and low-dew-point nitrogen which has the purity higher than 99.9% and the dew point lower than -60 DEDG C can be output, the difficult problem that the precise photoelectric instruments do not have the nitrogen charge guarantee can be solved, and the application performance of the photoelectric instruments can be guaranteed.

Description

The full-automatic nitrogen charging equipment of photoelectric instrument
Technical field
The utility model relates to a kind of gas generating unit, specifically a kind of full-automatic nitrogen charging equipment of photoelectric instrument.
Background technology
China is vast in territory, and climate difference is large, and the accurate photoelectric instrument mildew-resistant under the severe environment such as high temperature, high humidity, high salt fog is antifog is one of difficult problem perplexed for a long time its maintaining always.Simultaneously, accurate photoelectric instrument all needs the nitrogen dry, clean to its filling when detection, repairing, maintaining, to promote the mildew-resistant mist ability of photoelectric instrument.For military photoelectric instrument, its inside more should fill to clean, deposit after dry nitrogen again, and the dew point of institute's inflated with nitrogen is answered 53 ℃ of little Yu –, and purity should reach more than 99.99%.
When in photoelectric instrument, filling nitrogen, be all generally from the bottled nitrogen of professional gas generation producer's purchase high purity at present, be adjusted to suitable gaseous tension by reducing valve, and then filling be to photoelectric instrument.This nitrogen filling method not only source of the gas is restricted, and fill the nitrogen process and do not possess the function of vacuumizing, can't meet the service requirements under the field environment condition, therefore, invent a set of height integrated, easy to operate, there is automatic nitrogen processed, fill nitrogen, vacuumize the nitrogen nitrogen charging equipment small-sized processed of function, significant to guaranteeing the photoelectric instrument end-use performance.
The utility model content
The purpose of this utility model just is to provide a kind of full-automatic nitrogen charging equipment of photoelectric instrument, with solve existing nitrogen charging equipment source of the gas limited, do not possess the function of vacuumizing, the problem of using under can't the lowered in field environment condition.
The utility model is achieved in that a kind of full-automatic nitrogen charging equipment of photoelectric instrument, includes:
Air feeder, respectively with nitrogen separation and proofing unit, vacuumize and inflation mechanism and Controlling System are joined, for carrying out air compressing, and will filter with dried clean compressed air and offer respectively nitrogen separation and proofing unit, vacuumize and inflation mechanism;
Nitrogen separation and proofing unit, respectively with described air feeder, vacuumize and inflation mechanism and Controlling System are joined, carry out separation, purification and the detection of nitrogen for the pressurized air from input, and will detect that purity is greater than 99.99%, the nitrogen of 60 ℃ of dew point little Yu – is stored or is exported to vacuumizes and inflation mechanism;
Vacuumize and inflation mechanism, with described air feeder, described nitrogen separation, with proofing unit and Controlling System, join respectively, after photoelectric instrument is carried out to vacuum pumping, in photoelectric instrument, be filled with the nitrogen provided by described nitrogen separation and proofing unit; And
Controlling System, respectively with described air feeder, described nitrogen separation and proofing unit and described vacuumize and inflation mechanism joins, carry out work by setup program for controlling above-mentioned each device.
Described air feeder comprises air compressor, forced air cooler, air accumulator, electronic drainage device, pressure switch, strainer and moisture eliminator; Described air compressor joins by described forced air cooler and described air accumulator, described electronic drainage device is arranged on described air accumulator bottom, described pressure switch is arranged on described air accumulator exit, described air accumulator joins by described strainer and described moisture eliminator, and described moisture eliminator is by the first relief valve and described vacuumize and inflation mechanism joins, join by the second relief valve and described nitrogen separation and proofing unit.
Described nitrogen separation and proofing unit comprise the first adsorption tower, the second adsorption tower, laser dust detector, nitrogen storage tank, polymer pattern moisture eliminator and particle filter and nitrogen on line analyzer;
Described the first adsorption tower and described the second adsorption tower form two branch lines, be connected to the second magnetic valve on the branch line with being connected at the bottom of described the first adsorption tower tower, be connected to the 3rd magnetic valve on the branch line with being connected at the bottom of described the second adsorption tower tower, after joining, described the second magnetic valve and described the 3rd magnetic valve converge into a main line, be connected to the first magnetic valve and first throttle valve on this main line, described first throttle valve is connected with described the second relief valve in described air feeder;
Be connected to a pipeline communicated with atmosphere at the bottom of the tower of described the first adsorption tower, be connected to the 4th magnetic valve on this pipeline; Also be connected to a pipeline communicated with atmosphere at the bottom of the tower of described the second adsorption tower, be connected to the 5th magnetic valve on this pipeline;
Be connected to the 6th magnetic valve on the branch line be connected with described the first adsorption tower tower top, be connected to the 7th magnetic valve on the branch line be connected with described the second adsorption tower tower top, after joining, described the 6th magnetic valve and described the 7th magnetic valve converge into a main line, be connected to the 8th magnetic valve on this main line, described the 8th magnetic valve is connected with described laser dust detector, and described laser dust detector, described nitrogen storage tank, described polymer pattern moisture eliminator and particle filter and described nitrogen on line analyzer are arranged on this main line in order;
Described the 6th magnetic valve and described the 7th magnetic valve rear connection the second throttling valve that joins, described the second throttling valve is connected, passes through the second check valve by the first check valve and is connected with the tower top of described the second adsorption tower with the tower top of described the first adsorption tower;
The exit of described nitrogen on line analyzer is connected to two connecting pipelines, and one of them pipeline communicates with atmosphere, is connected to the tenth magnetic valve on this pipeline; Another pipeline vacuumizes and inflation mechanism communicates with described, is connected to the 9th magnetic valve on this pipeline.
Described vacuumize and inflation mechanism includes two connecting pipelines, be provided with in order the 11 magnetic valve, vacuum generator and the 12 magnetic valve on one of them connecting pipeline, described the first relief valve in described the 11 magnetic valve and described air feeder joins; Be connected in order the 3rd relief valve, the 4th relief valve and the 13 magnetic valve on another connecting pipeline, described the 9th magnetic valve in described the 3rd relief valve and described nitrogen separation and proofing unit joins; Described the 12 magnetic valve and the equal Bonding pressure sensor of described the 13 magnetic valve and photoelectric instrument.
Described Controlling System comprises touch-screen, programmable logic controller, panel the first button, panel the second button and solid state relay; Described touch-screen and described programmable logic controller adopt the RS-485 bus to carry out communication, described programmable logic controller receives the switch from the described solid state relay of instruction control of described touch-screen, described panel the first button and described panel the second button, realizes the start and stop of the described air compressor in described air feeder and the switch of each magnetic valve.
The utility model utilizes air feeder to extract required source of the gas from atmosphere; Utilize nitrogen separation and proofing unit to realize nitrogen function processed, and guarantee the nitrogen of high-purity, low dew point, to meet the nitrogen demand of filling of photoelectric instrument; Utilization vacuumizes and inflation mechanism is realized vacuumizing and filling the nitrogen function various photoelectric instrument; Above-mentioned three parts realize the full-automation operation of equipment under unified coordination of Controlling System, exportable purity is greater than 99.99%, the high purity that little Yu of dew point – is 60 ℃, low dew point nitrogen, solved accurate photoelectric instrument without a difficult problem of filling the nitrogen guarantee, guaranteed the end-use performance of photoelectric instrument.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, air compressor, 2, forced air cooler, 3, air accumulator, 4, pressure switch, 5, moisture eliminator, 6, strainer, 7, nitrogen storage tank, 8, the first adsorption tower, 9, the second adsorption tower, 10, vacuum generator, 11, electronic drainage device, 12, the laser dust detector, 13, polymer pattern moisture eliminator and particle filter, 14, the nitrogen on line analyzer, 15, pressure transmitter, 16, touch-screen, 17, programmable logic controller, 18, solid state relay, 100, air feeder, 200, nitrogen separation and proofing unit, 300, vacuumize and inflation mechanism, 400, Controlling System.
Embodiment
As shown in Figure 1, the utility model comprises to each other interconnective air feeder 100, nitrogen separation and proofing unit 200, vacuumizes and inflation mechanism 300 and Controlling System 400.
Air feeder 100 comprises air compressor 1, forced air cooler 2, air accumulator 3, pressure switch 4, strainer 6 and the moisture eliminator 5 sequentially connected, be connected with electronic drainage device 11 in air accumulator 3 bottoms, moisture eliminator 5 by the first relief valve PV-1 with vacuumize and inflation mechanism 300 in the 11 magnetic valve V-11 join, join by the first throttle valve NV-1 in the second relief valve PV-2 and nitrogen separation and proofing unit 200.
Air compressor 1 is by driven by power, air temperature after air compressor 1 compression uprises, enter air accumulator 3 afterwards after forced air cooler 2 coolings, airborne moisture can condense in the bottom of air accumulator 3, and the water condensed is regularly discharged by electronic drainage device 11 under the control of Controlling System.Pressure switch 4 is equipped with in air accumulator 3 exits, for example, when the interior gaseous tension of air accumulator 3 exceeds the upper limit (0.8MPa) pressure switch 4 closures, and now air compressor 1 power supply disconnects, and air compressor 1 quits work; When the interior gaseous tension of air accumulator 3 for example, during lower than lower limit (0.65MPa) pressure switch 4 open, air compressor 1 power connection now, air compressor 1 is started working.When air compressor 1 inner overpressure or overtemperature, Controlling System 400 is forced its break-off.Pressurized air enters strainer 6 through pressure switch 4, the airborne impurity of filtering, pass through again the airborne moisture of moisture eliminator 5 filtering, finally, filter out impurities and the air of moisture by the first relief valve PV-1 to vacuum generator 10 air feed, offer nitrogen separation and proofing unit 200 for separating of nitrogen by the second relief valve PV-2.
Nitrogen separation and proofing unit 200 comprise first throttle valve (air control shutter) NV-1, the first adsorption tower 8, the second adsorption tower 9, the first magnetic valve V-1, the second magnetic valve V-2, the 3rd magnetic valve V-3, the 4th magnetic valve V-4, the 5th magnetic valve V-5, the 6th magnetic valve V-6, the 7th magnetic valve V-7, the 8th magnetic valve V-8, the 9th magnetic valve V-9, the tenth magnetic valve V-10, the second throttling valve NV-2, the first check valve CV-1, the second check valve CV-2, laser dust detector 12, nitrogen storage tank 7, high polymer diaphragm moisture eliminator and particle filter 13 and nitrogen on line analyzer 14.
The pressurized air produced by air compressor 1 is regulated intake velocity after first throttle valve NV-1, to guarantee the abundant separation to air, afterwards through the first magnetic valve V-1, after the second magnetic valve V-2 by entering at the bottom of tower in the first adsorption tower 8, whole the first absorption tower body of flowing through from bottom to top, the first interior filling carbonaceous molecular sieve of adsorption tower 8 (CMS), when pressurized air passes through carbonaceous molecular sieve, due to nitrogen, oxygen molecule diameter difference, the oxygen molecule overwhelming majority is adsorbed on the carbonaceous molecular sieve surface, and nitrogen molecule is in unbound state, by the first adsorption tower 8 upper ends, flowed out, through the 6th magnetic valve V-6, the 8th magnetic valve V-8, flow to nitrogen storage tank 7 after laser dust detector 12, meanwhile, the second adsorption tower 9 decompressions, sub-fraction in the nitrogen flowed out by the first adsorption tower 8 enters in the second adsorption tower 9 after the 6th magnetic valve V-6, the second throttling valve NV-2 and the second check valve CV-2 rinses the saturated carbonaceous molecular sieve of absorption, and oxygen rich gas enters in atmosphere through the 5th magnetic valve V-5, the second adsorption tower 9 carbonaceous molecular sieve desorption and regenerations complete.In this process, the 3rd magnetic valve V-3, the 4th magnetic valve V-4 and the 7th magnetic valve V-7 close.After the absorption of the interior carbonaceous molecular sieve of the first adsorption tower 8 is saturated and the second adsorption tower 9 desorbs complete, by Controlling System change second, third, the the 4th, the 5th, the 6th, the on off state of the 7th magnetic valve, now pressurized air is entered in the second adsorption tower 9 by the first magnetic valve V-1, the 3rd magnetic valve V-3, by the interior carbonaceous molecular sieve adsorption of oxygen of the second adsorption tower 9, nitrogen enters nitrogen storage tank 7 after the 7th magnetic valve V-7, the 8th magnetic valve V-8, laser dust detector 12; Meanwhile, the first adsorption tower 8 decompressions, and the sub-fraction in the nitrogen flowed out by the second adsorption tower 9 enters the saturated carbonaceous molecular sieve of flushing absorption in the first adsorption tower 8 through the 7th magnetic valve V-7, the second throttling valve NV-2 and the first check valve CV-1, and oxygen rich gas enters in atmosphere through the 4th magnetic valve V-4, in this process, the second magnetic valve V-2, the 5th magnetic valve V-5 and the 6th magnetic valve V-6 close.After the second adsorption tower 9 absorption are saturated, the first adsorption tower 8 desorbs complete, and two tower interworkings, repeat above process, continues output nitrogen.Dust content in laser dust detector 12 monitoring nitrogen, carry out alarm to a certain extent the time when the carbonaceous molecular sieve efflorescence.Nitrogen is purity 99.99% after high polymer diaphragm moisture eliminator and particle filter 13 processing, 69 ℃ of dew point Ke Da –.Dew point and the purity of nitrogen on line analyzer 14 Real-Time Monitoring nitrogen, if meeting, nitrogen gas purity or dew point do not fill the nitrogen requirement, open the tenth magnetic valve V-10 and carry out emptyingly, qualified the tenth magnetic valve V-10 that closes, open the 9th magnetic valve V-9 to vacuumizing and inflation mechanism 300 air feed.
Vacuumize and inflation mechanism 300 comprises the 3rd relief valve PV-3, the 4th relief valve PV-4, vacuum generator 10, pressure transmitter the 15, the 11 magnetic valve V-11, the 12 magnetic valve V-12 and the 13 magnetic valve V-13.
Vacuumize and the working process of inflation mechanism 300 is: at first close the 13 magnetic valve V-13, open vacuum generator the 10, the 11 magnetic valve V-11 and the 12 magnetic valve (vacuum port magnetic valve) V-12, photoelectric instrument is vacuumized, the vacuum pressure that pressure transmitter 15 is measured in photoelectric instrument, set while requiring when surveyed vacuum pressure meets, close vacuum generator the 10, the 11 magnetic valve V-11 and the 12 magnetic valve V-12.Open afterwards the 3rd relief valve PV-3, the 4th relief valve PV-4 and the 13 magnetic valve V-13, nitrogen obtains the nitrogen that pressure is 200KPa after the 3rd relief valve PV-3, obtain again the nitrogen of 10KPa after the 4th relief valve PV-4, be filled with in photoelectric instrument by the 13 magnetic valve V-13 afterwards.Pressure transmitter 15 is measured and is filled nitrogen pressure in photoelectric instruments, when surveys and fills nitrogen pressure and meet and set while requiring, quit work by Controlling System 400 each equipment of control, thereby complete the nitrogen work of filling to photoelectric instrument.
Controlling System 400 comprises touch-screen 16, programmable logic controller 17, panel the first button B-1, panel the second button B-2 and solid state relay 18.Touch-screen 16 adopts the RS-485 buses to carry out communication with programmable logic controller 17, operator by touch-screen 16 start and stop air compressor 1, control and vacuumize and fill nitrogen pressure and cycle index, watch-dog working order; The steering order that programmable logic controller 17 receives from touch-screen 16, panel the first button B-1 and panel the second button B-2, control solid state relay 18 switches, realizes the start and stop of air compressor 1 and the switch of each magnetic valve.

Claims (5)

1. the full-automatic nitrogen charging equipment of a photoelectric instrument, is characterized in that, includes:
Air feeder, respectively with nitrogen separation and proofing unit, vacuumize and inflation mechanism and Controlling System are joined, for carrying out air compressing, and will filter with dried clean compressed air and offer respectively nitrogen separation and proofing unit, vacuumize and inflation mechanism;
Nitrogen separation and proofing unit, respectively with described air feeder, vacuumize and inflation mechanism and Controlling System are joined, carry out separation, purification and the detection of nitrogen for the pressurized air from input, and will detect that purity is greater than 99.99%, the nitrogen of 60 ℃ of dew point little Yu – is stored or is exported to vacuumizes and inflation mechanism;
Vacuumize and inflation mechanism, with described air feeder, described nitrogen separation, with proofing unit and Controlling System, join respectively, after photoelectric instrument is carried out to vacuum pumping, in photoelectric instrument, be filled with the nitrogen provided by described nitrogen separation and proofing unit; And
Controlling System, respectively with described air feeder, described nitrogen separation and proofing unit and described vacuumize and inflation mechanism joins, carry out work by setup program for controlling above-mentioned each device.
2. the full-automatic nitrogen charging equipment of photoelectric instrument according to claim 1, is characterized in that, described air feeder comprises air compressor, forced air cooler, air accumulator, electronic drainage device, pressure switch, strainer and moisture eliminator; Described air compressor joins by described forced air cooler and described air accumulator, described electronic drainage device is arranged on described air accumulator bottom, described pressure switch is arranged on described air accumulator exit, described air accumulator joins by described strainer and described moisture eliminator, and described moisture eliminator is by the first relief valve and described vacuumize and inflation mechanism joins, join by the second relief valve and described nitrogen separation and proofing unit.
3. the full-automatic nitrogen charging equipment of photoelectric instrument according to claim 2, it is characterized in that, described nitrogen separation and proofing unit comprise the first adsorption tower, the second adsorption tower, laser dust detector, nitrogen storage tank, polymer pattern moisture eliminator and particle filter and nitrogen on line analyzer;
Described the first adsorption tower and described the second adsorption tower form two branch lines, be connected to the second magnetic valve on the branch line with being connected at the bottom of described the first adsorption tower tower, be connected to the 3rd magnetic valve on the branch line with being connected at the bottom of described the second adsorption tower tower, after joining, described the second magnetic valve and described the 3rd magnetic valve converge into a main line, be connected to the first magnetic valve and first throttle valve on this main line, described first throttle valve is connected with described the second relief valve in described air feeder;
Be connected to a pipeline communicated with atmosphere at the bottom of the tower of described the first adsorption tower, be connected to the 4th magnetic valve on this pipeline; Also be connected to a pipeline communicated with atmosphere at the bottom of the tower of described the second adsorption tower, be connected to the 5th magnetic valve on this pipeline;
Be connected to the 6th magnetic valve on the branch line be connected with described the first adsorption tower tower top, be connected to the 7th magnetic valve on the branch line be connected with described the second adsorption tower tower top, after joining, described the 6th magnetic valve and described the 7th magnetic valve converge into a main line, be connected to the 8th magnetic valve on this main line, described the 8th magnetic valve is connected with described laser dust detector, and described laser dust detector, described nitrogen storage tank, described polymer pattern moisture eliminator and particle filter and described nitrogen on line analyzer are arranged on this main line in order;
Described the 6th magnetic valve and described the 7th magnetic valve rear connection the second throttling valve that joins, described the second throttling valve is connected, passes through the second check valve by the first check valve and is connected with the tower top of described the second adsorption tower with the tower top of described the first adsorption tower;
The exit of described nitrogen on line analyzer is connected to two connecting pipelines, and one of them pipeline communicates with atmosphere, is connected to the tenth magnetic valve on this pipeline; Another pipeline vacuumizes and inflation mechanism communicates with described, is connected to the 9th magnetic valve on this pipeline.
4. the full-automatic nitrogen charging equipment of photoelectric instrument according to claim 3, it is characterized in that, described vacuumize and inflation mechanism includes two connecting pipelines, be provided with in order the 11 magnetic valve, vacuum generator and the 12 magnetic valve on one of them connecting pipeline, described the first relief valve in described the 11 magnetic valve and described air feeder joins; Be connected in order the 3rd relief valve, the 4th relief valve and the 13 magnetic valve on another connecting pipeline, described the 9th magnetic valve in described the 3rd relief valve and described nitrogen separation and proofing unit joins; Described the 12 magnetic valve and the equal Bonding pressure sensor of described the 13 magnetic valve and photoelectric instrument.
5. the full-automatic nitrogen charging equipment of photoelectric instrument according to claim 4, is characterized in that, described Controlling System comprises touch-screen, programmable logic controller, panel the first button, panel the second button and solid state relay; Described touch-screen and described programmable logic controller adopt the RS-485 bus to carry out communication, described programmable logic controller receives the switch from the described solid state relay of instruction control of described touch-screen, described panel the first button and described panel the second button, realizes the start and stop of the described air compressor in described air feeder and the switch of each magnetic valve.
CN2013202857458U 2013-05-23 2013-05-23 Full-automatic nitrogen charging device for photoelectric instruments Withdrawn - After Issue CN203333300U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103241718A (en) * 2013-05-23 2013-08-14 中国人民解放军总装备部军械技术研究所 Full-automatic nitrogen charging apparatus for photoelectric instruments
CN105080288A (en) * 2015-08-25 2015-11-25 江苏嘉宇流体装备有限公司 Adsorption column for low-dew-point pressure swing adsorption nitrogen making machine
CN107209150A (en) * 2015-08-20 2017-09-26 电子系统股份有限公司 MS nitrogen safety supply monitor and nitrogen generating means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103241718A (en) * 2013-05-23 2013-08-14 中国人民解放军总装备部军械技术研究所 Full-automatic nitrogen charging apparatus for photoelectric instruments
CN107209150A (en) * 2015-08-20 2017-09-26 电子系统股份有限公司 MS nitrogen safety supply monitor and nitrogen generating means
CN107209150B (en) * 2015-08-20 2020-02-21 电子系统股份有限公司 Monitor for safe supply of nitrogen gas for MS and nitrogen gas generating device
CN105080288A (en) * 2015-08-25 2015-11-25 江苏嘉宇流体装备有限公司 Adsorption column for low-dew-point pressure swing adsorption nitrogen making machine

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Granted publication date: 20131211

Effective date of abandoning: 20150422