CN105674047A - Intelligent nitrogen inflating and supplementing device and nitrogen inflating and supplementing method - Google Patents
Intelligent nitrogen inflating and supplementing device and nitrogen inflating and supplementing method Download PDFInfo
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- CN105674047A CN105674047A CN201610117236.2A CN201610117236A CN105674047A CN 105674047 A CN105674047 A CN 105674047A CN 201610117236 A CN201610117236 A CN 201610117236A CN 105674047 A CN105674047 A CN 105674047A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0335—Check-valves or non-return valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Massaging Devices (AREA)
- Air Bags (AREA)
Abstract
The invention relates to an intelligent nitrogen inflating and supplementing device and a nitrogen inflating and supplementing method. The intelligent nitrogen inflating and supplementing device comprises a first main path, a nitrogen source nitrogen cylinder, a fourth main path, devices to be inflated, a decompressing inflating unit, a test feedback control unit and a pressurizing inflating unit, wherein the nitrogen source nitrogen cylinder communicates with one end of the first main path, the devices to be inflated communicate with one end of the fourth main path, the decompressing inflating unit and the pressurizing inflating unit are arranged between the first main path and the fourth main path in parallel. According to the intelligent nitrogen inflating and supplementing device and the nitrogen inflating and supplementing method disclosed by the invention, intelligent precise visual control is realized, the cost is low, the design is ingenious, and the structure is compact.
Description
Technical field
The present invention relates to a kind of intelligence nitrogen inflation making-up air device and nitrogen fills compensating method.
Background technology
At present to the energy storage device on equipment, snubber, when the pneumatic element such as gas spring carry out detection and make-up gas, first to be regulated reducing valve, the rated pressure of gas pressure of the inside of a bottle manual regulation to target container, then connect pipeline to open air valve again and could be inflated by target container, in this process can not the existing air pressure of display-object container, the stopping property of this container can not be judged. And maintain equipment is generally often had the target container of multiple different pressures, and pressure variation range is bigger, the pressure reducer of a manual regulation can not complete the air pressure adjustment of wide region, at least to be had two or more pressure reducer and tensimeter, and a point height extrudes gas port. Operate loaded down with trivial details, tensimeter and pressure reducer can be damaged as accidentally high pressure target container accessed low pressure air outlet. If target container pressure is higher than in dolly during gas cylinder air pressure, in addition it is also necessary to the liquid gas supercharging cylinder that hydraulic pressure pumping plant drives carrys out supercharging, or another needing a low-pressure gas source to drive gas gas supercharging cylinder to carry out supercharging, liquid air volume weight is relatively big, and weight is all at about 100 kilograms. Gas gas supercharging cylinder has also needed a low pressure line to be connected with low-pressure gas source, and these two kinds of supercharging modes are all unfavorable for operation and the movement of dolly.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of intelligent nitrogen reasonable in design and with low cost inflation making-up air device and nitrogen fills compensating method.
For solving the problem, the technical solution used in the present invention is:
The present invention comprises the first main road, gas source gas cylinder, the 4th main road, treats inflation mechanism, decompression inflation unit, test feedback control unit and boost charge-air unit;
The one end on gas source gas cylinder road main with first is connected, and treats that inflation mechanism is connected with the one end on the 4th main road, and decompression inflation unit and boost charge-air unit are arranged in parallel between the first main main road of Lu Yu tetra-;
Decompression inflation unit comprises the 2nd main road, the first magnetic valve and the 3rd main road connected successively, is provided with the first check valve on the 3rd main road, and the 2nd road main with first, main road is connected, and the 3rd main road of main Lu Yu tetra-is connected;
Test feedback control unit comprises the detection branch that one end is connected and the pressure detection control device being arranged on the detection branch the other end with the 4th main road;
Boost charge-air unit comprises the first bypass, the 2nd magnetic valve, air pump and the 2nd bypass connected successively, is provided with the 2nd check valve in the 2nd bypass, and the first bypass road main with first is connected, and the 2nd bypass is connected with the 4th main road.
Further, also comprising control circui device, control circui device comprises intelligent pressure switch S B, decompression inflator module and the timing relay KT being arranged on pressure detection control device;
Decompression inflator module comprises the first magnetic valve being connected in series and on-delay break contact switch S JA;
Intelligent pressure switch S B is electrically connected with the control coil of timing relay KT, and the execution switch of decompression inflator module and timing relay KT is connected in series.
Further, also comprising boost charge-air module, boost charge-air module comprises the 2nd magnetic valve and on-delay making contact switch S JB; 2nd magnetic valve and on-delay making contact switch S JB are connected in series, and decompression inflator module is connected with execution switch with timing relay KT after boost charge-air wired in parallel.
Further, boost charge-air module also comprises the pump magnetic valve KV for controlling air pump stop and start; Pump magnetic valve KV in parallel with the 2nd magnetic valve or connect afterwards and on-delay making contact switch S JB be connected in series.
Further, on-delay break contact switch S JA and on-delay making contact switch S JB is connected.
Further, pressure detection control device is pressure transmitter or numeral electric contact pressure table.
Further, the model of intelligent pressure switch S B is the pn35 of CATO.
Further, the model of pressure detection control device is the ACD-2K of ANCN.
A kind of nitrogen fills compensating method, and it uses above-mentioned intelligence nitrogen inflation making-up air device;
The method comprises following operating mode:
A operating mode: during normal operation, performs decompression aeration step;
B operating mode: when timing relay KT does not disconnect within the scheduled time, namely treat that atmospheric pressure value and the gas source gas cylinder atmospheric pressure value of inflation mechanism are in equilibrium state, and when the atmospheric pressure value of inflation mechanism is lower than the preset pressure threshold value of pressure detection control device, after performing decompression aeration step stopping, performing boost charge-air step;
Described decompression aeration step is specific as follows, first by decompression inflation unit, inflation mechanism is connected with treating, secondly the atmospheric pressure value of inflation mechanism is treated by the pressure detection control device detection on test feedback control unit, when when the atmospheric pressure value of inflation mechanism is lower than the preset pressure threshold value of pressure detection control device, intelligent pressure switch S B controls the first magnetic valve by timing relay KT and is connected, gas source gas cylinder by nitrogen through the first magnetic valve and the first check valve to treating inflation mechanism inflate; When being equal to or higher than the preset pressure threshold value of pressure detection control device until the atmospheric pressure value of inflation mechanism, intelligent pressure switch S B controls the first magnetic valve by timing relay KT and disconnects, and stops inflation;
Described boost charge-air step is specific as follows, first by decompression inflation unit, inflation mechanism is connected with treating, secondly the atmospheric pressure value of inflation mechanism is treated by the pressure detection control device detection on test feedback control unit, when when the atmospheric pressure value of inflation mechanism is lower than the preset pressure threshold value of pressure detection control device, intelligent pressure switch S B controls the first magnetic valve by timing relay KT and is connected, gas source gas cylinder by nitrogen through the first magnetic valve and the first check valve to treating inflation mechanism inflate; When being equal to or higher than the preset pressure threshold value of pressure detection control device until the atmospheric pressure value of inflation mechanism, intelligent pressure switch S B controls the first magnetic valve by timing relay KT and disconnects, and stops inflation.
Further, the scheduled time of described b operating mode is 2-10 second or 10 seconds-15 seconds scheduled time; The preset pressure threshold value of pressure detection control device is 0.4MPa-30MPa.
The useful effect adopting technique scheme to produce is:
The present invention is combined with boost charge-air unit by the inflation unit that will reduce pressure, it is possible to realize two inflations, and determines, by test feedback control unit detection, the force value treating in inflation mechanism, easy to operate; Realize treating that inflation mechanism is inflated to multiple, observe accurately directly perceived, be arranged on the mobile equipments such as dolly, flexibly and easily lightly, reduce labour intensity; Gas reverse circulated is prevented by check valve, reasonable in design, durable, by being connected into pump magnetic valve KV, it is to increase the intensive shape of the present invention and reasonableness; On-delay break contact switch S JA and on-delay making contact switch S JB is connected, it is to increase the accuracy of circuit reaction and handiness; The present invention can realize intelligence and accurately control intuitively, with low cost, designs ingenious, reasonable in design, compact construction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the control unit functional block diagram of the embodiment of the present invention 1.
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Fig. 4 is the control unit functional block diagram of the embodiment of the present invention 2.
Wherein: 1, the first main road; 2, the 2nd main road; 3, the 3rd main road; 4, the 4th main road; 5, detection branch; 6, the first bypass; 7, the 2nd bypass; 8, gas source gas cylinder; 9, the first magnetic valve; 10, the first check valve; 11, pressure detection control device; 12, inflation mechanism is treated; 13, the 2nd check valve; 14, air pump; 15, the 2nd magnetic valve; 16, reduce pressure inflation unit; 17, feedback control unit is test; 18, boost charge-air unit; 19, reduce pressure inflator module; 20, boost charge-air module.
SB intelligent pressure switch; KT rly.; KV pump magnetic valve; SJA on-delay break contact switch; SJB on-delay making contact switch.
Embodiment
Embodiment 1: as shown in Figure 1, 2, the present embodiment comprises the first main road 1, the main road 4 of gas source gas cylinder the 8, the 4th, treats inflation mechanism 12, decompression inflation unit 16, test feedback control unit 17 and boost charge-air unit 18;
The one end on gas source gas cylinder 8 road 1 main with first is connected, and treats that the one end on inflation mechanism 12 road 4 main with the 4th is connected, and decompression inflation unit 16 and boost charge-air unit 18 are arranged in parallel between the first main road 1 and the 4th main road 4;
Decompression inflation unit 16 comprises the connect successively the 2nd main road 2, first magnetic valve 9 and the 3rd main road 3, is provided with the first road 1 main with first, the main road 2 of check valve the 10, two and is connected on the 3rd main road 3, and the 3rd road 4 main with the 4th, main road 3 is connected;
Test feedback control unit 17 comprises the detection branch 5 that road 4 main with the 4th, one end is connected and the pressure detection control device 11 being arranged on detection branch 5 the other end;
Boost charge-air unit 18 comprises the first bypass 6, the 2nd magnetic valve 15, air pump 14 and the 2nd bypass 7 connected successively, is provided with the 2nd check valve 13, first bypass 6 road 1 main with first and is connected in the 2nd bypass 7, and the 2nd bypass 7 road 4 main with the 4th is connected. As common practise, main road and bypass are gas circuit.
The present embodiment is by being combined decompression inflation unit 16 with boost charge-air unit 18, two inflations can be realized, and detect, by test feedback control unit 17, the force value determining to treat in inflation mechanism 12, easy to operate, realize treating that inflation mechanism 12 is inflated to multiple, observe accurately directly perceived, it is arranged on the mobile equipments such as dolly, flexibly and easily lightly, reduce labour intensity, gas reverse circulated is prevented by check valve, reasonable in design, durable.
The present embodiment also comprises control circui device, and control circui device comprises the intelligent pressure switch S B, decompression inflator module 19 and the timing relay KT that are arranged on pressure detection control device 11; Decompression inflator module 19 comprises the first magnetic valve 9 and on-delay break contact switch S JA that are connected in series; Intelligent pressure switch S B is electrically connected with the control coil of timing relay KT, and decompression inflator module 19 is connected in series with the execution switch of timing relay KT. By intelligent pressure switch S B, timing relay KT, time delay switch and magnetic valve are combined, it is achieved intelligent pressure feedback control, thus realize the intelligence to decompression inflation unit 16 and accurately control intuitively, with low cost, design ingenious, reasonable in design, compact construction. As the common practise of this area, adopt the electrical part identical with intelligent pressure switch S B, timing relay KT or time delay switch function, it is equivalent replacement, is apparent.
As further improvement, the control circui device of going back of the present embodiment comprises boost charge-air module 20, and boost charge-air module 20 comprises the 2nd magnetic valve 15 and on-delay making contact switch S JB; 2nd magnetic valve 15 is connected in series with on-delay making contact switch S JB, connects with the execution switch of timing relay KT after decompression inflator module 19 is in parallel with boost charge-air module 20. Thus realize the intelligence to boost charge-air unit 18 and accurately control intuitively, with low cost, design ingenious, reasonable in design, compact construction.
Boost charge-air module 20 also comprises the pump magnetic valve KV for controlling air pump 14 stop and start; Pump magnetic valve KV in parallel with the 2nd magnetic valve 15 or connect afterwards and on-delay making contact switch S JB be connected in series. By being connected into pump magnetic valve KV, it is to increase the intensive shape of the present invention and reasonableness.
As preferably, on-delay break contact switch S JA and on-delay making contact switch S JB is connected, it is to increase the accuracy of circuit reaction and handiness.
Such as, as preferably, pressure detection control device 11 is the common pressure detection feedback control device such as pressure transmitter or numeral electric contact pressure table, and, the model of intelligent pressure switch S B is the pn35 of CATO. The model of pressure detection control device 11 is the ACD-2K of ANCN.
As the nitrogen of Fig. 1,2 the present embodiment fills compensating method, it uses the equipment of the present embodiment 1;
The method comprises following operating mode:
A operating mode: during normal operation, performs decompression aeration step;
B operating mode: when timing relay KT does not disconnect within the scheduled time, namely treat that atmospheric pressure value and gas source gas cylinder 8 atmospheric pressure value of inflation mechanism 12 are in equilibrium state, and when the atmospheric pressure value of inflation mechanism 12 is lower than the preset pressure threshold value of pressure detection control device 11, after performing decompression aeration step stopping, performing boost charge-air step;
Decompression aeration step is specific as follows, first by decompression inflation unit 16, inflation mechanism 12 is connected with treating, secondly the atmospheric pressure value of inflation mechanism 12 is treated by pressure detection control device 11 detection on test feedback control unit 17, when when the atmospheric pressure value of inflation mechanism 12 is lower than the preset pressure threshold value of pressure detection control device 11, intelligent pressure switch S B controls the first magnetic valve 9 by timing relay KT and is connected, gas source gas cylinder 8 by nitrogen through the first magnetic valve 9 and the first check valve 10 to treating inflation mechanism 12 inflate; When being equal to or higher than the preset pressure threshold value of pressure detection control device 11 until the atmospheric pressure value of inflation mechanism 12, intelligent pressure switch S B controls the first magnetic valve 9 by timing relay KT and disconnects, and stops inflation.
Boost charge-air step is specific as follows, first by decompression inflation unit 16, inflation mechanism 12 is connected with treating, secondly the atmospheric pressure value of inflation mechanism 12 is treated by pressure detection control device 11 detection on test feedback control unit 17, when when the atmospheric pressure value of inflation mechanism 12 is lower than the preset pressure threshold value of pressure detection control device 11, intelligent pressure switch S B controls the first magnetic valve 9 by timing relay KT and is connected, gas source gas cylinder 8 by nitrogen through the first magnetic valve 9 and the first check valve 10 to treating inflation mechanism 12 inflate; When being equal to or higher than the preset pressure threshold value of pressure detection control device 11 until the atmospheric pressure value of inflation mechanism 12, intelligent pressure switch S B controls the first magnetic valve 9 by timing relay KT and disconnects, and stops inflation.
As preferably, the scheduled time is 2-10 second or 10 seconds-15 seconds scheduled time; Preset pressure threshold value is 0.4MPa-30MPa.
This processing method, reasonable in design, simple to operate, process optimization is advanced, with low cost, and reaction is accurately, it is achieved intelligent control, is applicable to large-scale promotion.
Embodiment 2: as shown in Figure 3,4, the present embodiment basic structure is compared to embodiment 1, eliminating decompression inflation unit 16 and corresponding boost charge-air module 20, it comprises the first main road 1, the main road 4 of gas source gas cylinder the 8, the 4th, treats inflation mechanism 12, decompression inflation unit 16 and test feedback control unit 17;
The one end on gas source gas cylinder 8 road 1 main with first is connected, treat that the one end on inflation mechanism 12 road 4 main with the 4th is connected, decompression inflation unit 16 connection is arranged between the first main road 1 and the 4th main road 4, decompression inflation unit 16 comprises the connect successively the 2nd main road 2, first magnetic valve 9 and the 3rd main road 3,3rd main road 3 is provided with the first check valve 10,2nd road 1 main with first, main road 2 is connected, and the 3rd road 4 main with the 4th, main road 3 is connected;
Test feedback control unit 17 comprises the detection branch 5 that road 4 main with the 4th, one end is connected and the pressure detection control device 11 being arranged on detection branch 5 the other end.
Further, also comprising control circui device, control circui device comprises the intelligent pressure switch S B and timing relay KT that are arranged on pressure detection control device 11; Intelligent pressure switch S B is electrically connected with the control coil of timing relay KT, and the first magnetic valve 9 is connected with the execution switch of timing relay KT.
Further, between the first magnetic valve 9 and the execution switch of timing relay KT, on-delay break contact switch S JA also it is connected in series with.
Further, the model of intelligent pressure switch S B is the pn35 of CATO.
Further, pressure detection control device 11 is pressure transmitter or numeral electric contact pressure table.
Further, pressure detection control device 11 model is the ACD-2K of ANCN.
The present embodiment compact construction, is particularly suitable for being applied on small-sized mobile equipment, compact construction, reasonable in design, with low cost, it may also be useful to convenient, simple to operate, and process optimization is advanced, with low cost, and reaction is accurately, it is achieved intelligent control, is applicable to large-scale promotion.
Last it is noted that above embodiment is only in order to illustrate the technical scheme of the present invention, it is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, it will be understood by those within the art that: the technical scheme described in previous embodiment still can be modified by it, or wherein part technology feature is carried out equivalent replacement; It is apparent for as those skilled in the art, multiple technical schemes of the present invention being carried out combination. And these amendments or replacement, do not make the spirit and scope of the essence disengaging embodiment of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. intelligent nitrogen inflation making-up air device, it is characterised in that: comprise the first main road (1), gas source gas cylinder (8), the 4th main road (4), treat inflation mechanism (12), decompression inflation unit (16), test feedback control unit (17) and boost charge-air unit (18);
One end of gas source gas cylinder (8) road (1) main with first is connected, treating that inflation mechanism (12) is connected with the one end on the 4th main road (4), decompression inflation unit (16) and boost charge-air unit (18) are arranged in parallel between the first main road (1) and the 4th main road (4);
Decompression inflation unit (16) comprises the 2nd main road (2), the first magnetic valve (9) and the 3rd main road (3) connected successively, 3rd main road (3) is provided with the first check valve (10), 2nd main road (2) road (1) main with first is connected, and the 3rd main road (3) is connected with the 4th main road (4);
Test feedback control unit (17) comprises the detection branch (5) that one end is connected and the pressure detection control device (11) being arranged on detection branch (5) the other end with the 4th main road (4);
Boost charge-air unit (18) comprises the first bypass (6), the 2nd magnetic valve (15), air pump (14) and the 2nd bypass (7) connected successively, 2nd bypass (7) is provided with the 2nd check valve (13), first bypass (6) road (1) main with first is connected, and the 2nd bypass (7) is connected with the 4th main road (4).
2. a kind of intelligence nitrogen inflation making-up air device according to claim 1, it is characterized in that: also comprise control circui device, control circui device comprises the intelligent pressure switch S B, decompression inflator module (19) and the timing relay KT that are arranged on pressure detection control device (11);
Decompression inflator module (19) comprises the first magnetic valve (9) and on-delay break contact switch S JA that are connected in series;
Intelligent pressure switch S B is electrically connected with the control coil of timing relay KT, and decompression inflator module (19) is connected in series with the execution switch of timing relay KT.
3. a kind of intelligence nitrogen inflation making-up air device according to claim 2, it is characterised in that: also comprising boost charge-air module (20), boost charge-air module (20) comprises the 2nd magnetic valve (15) and on-delay making contact switch S JB; 2nd magnetic valve (15) and on-delay making contact switch S JB are connected in series, and connect with the execution switch of timing relay KT after decompression inflator module (19) is in parallel with boost charge-air module (20).
4. a kind of intelligence nitrogen inflation making-up air device according to claim 3, it is characterised in that: boost charge-air module (20) also comprises the pump magnetic valve KV for controlling air pump (14) stop and start; Pump magnetic valve KV in parallel with the 2nd magnetic valve (15) or connect afterwards and on-delay making contact switch S JB be connected in series.
5. a kind of intelligence nitrogen inflation making-up air device according to claim 3, it is characterised in that: on-delay break contact switch S JA and on-delay making contact switch S JB is connected.
6. a kind of intelligence nitrogen inflation making-up air device according to claim 2, it is characterised in that: pressure detection control device (11) is pressure transmitter or numeral electric contact pressure table.
7. a kind of intelligence nitrogen inflation making-up air device according to claim 2, it is characterised in that: the model of intelligent pressure switch S B is the pn35 of CATO.
8. a kind of intelligence nitrogen inflation making-up air device according to claim 6, it is characterised in that: the model of pressure detection control device (11) is the ACD-2K of ANCN.
9. a nitrogen fills compensating method, it is characterised in that: use a kind of intelligence nitrogen inflation making-up air device described in the arbitrary item of claim 1-8;
The method comprises following operating mode:
A operating mode: during normal operation, performs decompression aeration step;
B operating mode: when timing relay KT does not disconnect within the scheduled time, namely treat that atmospheric pressure value and gas source gas cylinder (8) atmospheric pressure value of inflation mechanism (12) are in equilibrium state, and when the atmospheric pressure value of inflation mechanism (12) is lower than the preset pressure threshold value of pressure detection control device (11), after performing decompression aeration step stopping, performing boost charge-air step;
Described decompression aeration step is specific as follows:
First, inflation mechanism (12) is connected the inflation unit that will reduce pressure (16) with treating; Secondly: the atmospheric pressure value being treated inflation mechanism (12) by pressure detection control device (11) detection in test feedback control unit (17); When the atmospheric pressure value of inflation mechanism (12) is lower than the preset pressure threshold value of pressure detection control device (11), intelligent pressure switch S B controls the first magnetic valve (9) by timing relay KT and is connected, gas source gas cylinder (8) by nitrogen through the first magnetic valve (9) and the first check valve (10) to treating inflation mechanism (12) inflate;
When being equal to or higher than the preset pressure threshold value of pressure detection control device (11) until the atmospheric pressure value of inflation mechanism (12), intelligent pressure switch S B controls the first magnetic valve (9) by timing relay KT and disconnects, and stops inflation;
Described boost charge-air step is specific as follows: first, and inflation mechanism (12) is connected the inflation unit that will reduce pressure (16) with treating; Secondly, the atmospheric pressure value of inflation mechanism (12) is treated by pressure detection control device (11) detection in test feedback control unit (17); When the atmospheric pressure value of inflation mechanism (12) is lower than the preset pressure threshold value of pressure detection control device (11), intelligent pressure switch S B controls the first magnetic valve (9) by timing relay KT and is connected, gas source gas cylinder (8) by nitrogen through the first magnetic valve (9) and the first check valve (10) to treating inflation mechanism (12) inflate; When being equal to or higher than the preset pressure threshold value of pressure detection control device (11) until the atmospheric pressure value of inflation mechanism (12), intelligent pressure switch S B controls the first magnetic valve (9) by timing relay KT and disconnects, and stops inflation.
10. a kind of nitrogen according to claim 9 fills compensating method, it is characterised in that: the scheduled time of described b operating mode is 2 10 seconds or the 10 seconds 15 seconds scheduled time; The preset pressure threshold value of described pressure detection control device (11) is 0.4MPa 30MPa.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106989274A (en) * | 2017-03-17 | 2017-07-28 | 泸溪县金源粉体材料有限责任公司 | A kind of air pressure balance tank automatic air replenishing system |
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| US6152191A (en) * | 1999-04-07 | 2000-11-28 | Fuelmaker Corporation | Apparatus and method for controlling and prevention of venting of gaseous fuel to atmosphere from a vehicle tank at completion of a fuelling process |
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