CN205938503U - Intelligence vacuum and high -pressure gas source device - Google Patents

Abstract

The utility model discloses an intelligence vacuum and high -pressure gas source device, including electronic air pump and connected valve island, it has malleation air -capacitor, vacuum air -capacitor and three miniature electromagnetic valve to distribute in the valve island, can breathe in, exhaust and high switching of calming the anger by automatic control through three miniature electromagnetic valve. The device compact structure, small, and can realize high pressure and vacuum automatic switch -over, can provide high pressure or vacuous intelligent air supply, can be used to in the miniature intelligent pressure check gauge.

Description

Intelligent vacuum and high-pressure air source device

Technical field

This utility model belongs to manometer inspection technology field, is related to a kind of compressed air source unit and in particular to one kind can High pressure and vacuum are provided and enable the intelligent compressed air source unit that high pressure and vacuum automatically switch.

Background technology

During using Portable pressure calibrating instrument device calibrating gas pressure instrument, be to accredited manometer Carry out pressure or vacuum detecting, need the compressed gas source with certain pressure and vacuum source to examine and determine different pressure as medium Instrument.Often it is directed to the evacuation of tested table in tradition calibrating and compressed gas detection is respectively completed, each using set of system, Manual switching, complex operation is needed in use；Also there is combination in pressure checking instrument to have two kinds of functions, generally set in this quasi-instrument There is external connection pneumatic supply, provide air pressure and vacuum to be input in pressure checking respectively, the pneumatic supply providing and vacuum source device Volume is larger, sometimes realizes vacuum or gases at high pressure using Manual pressure source Manual pressurizing, but high pressure and vacuum switching need The air inlet of the manual switching pump housing, exhaust port complete, and also do not have vacuum and air pressure storage device, the supply pressure fluctation providing is very Greatly it is impossible to realize automatically controlling and intelligent management.

Utility model content

In order to solve the above problems, the purpose of this utility model be to provide a kind of compact conformation, easy to automate, High pressure can be enabled and vacuum automatically switches and is provided that pressure store gas and the intelligent vacuum of vacuum and high-pressure air source fill Put.

Above-mentioned purpose of the present utility model to be realized by technical scheme below：

A kind of intelligent vacuum and high-pressure air source device, including an electric air pump (100), also include the pump housing with electric air pump The valve island (30) that seat connects, the positive pressure gas being distributed with valve island hold (34) and a vacuum gas and hold (36), and with two gas appearances and Three miniature electromagnetic valves of electric air pump pipeline connection are V1 valve, V2 valve and V3 valve.

The above intelligent vacuum and high-pressure air source device, be provided with inside valve island (30) two larger cavity volumes, three less Cavity volume and multiple pipeline, two larger cavity volumes separating setting are directly used as positive pressure gas appearance (34) and vacuum gas appearance (36) respectively, Cavity volume top is sealed with top cover (46)；Three less cavity volumes separating setting place described V1 valve, V2 valve and V3 valve, malleation respectively Gas holds, vacuum gas is held and connected by pipeline and three electromagnetic valves between.

V3 valve be two-position three way magnetic valve, it include V3 valve first passage (331), V3 valve second passage (332) and V3 valve the 3rd passage (333), wherein V3 valve the 3rd passage (333) are communicated to ambient atmosphere, V3 valve second passage (332) Connect with the low pressure air suction pipeline (14) of electric air pump, V3 valve first passage (331) passes through airflow pipeline one (38) and vacuum Gas holds (36) connection.

V1 valve is two-position two-way solenoid valve, and it includes V1 valve first passage (311) and V1 valve second passage (312), Wherein V1 valve first passage (311) is communicated to ambient atmosphere, the high pressure gas of V1 valve second passage (312) and electric air pump Pipeline (22) connects.

V2 valve is two-position two-way solenoid valve, including V2 valve first passage (321) and V2 valve second passage (322), its Middle V2 valve first passage (321) is connected with high pressure gas pipeline (22), and V2 valve second passage (322) holds (34) with positive pressure gas Connection.

Positive pressure gas hold (34) and pass through pipeline connection one malleation union joint (40), and it is true by pipeline connection one that vacuum gas holds (36) Empty union joint (45).

The above intelligent vacuum and high-pressure air source device, valve island (30) front outer surface is equipped with a sealing cushion pad (41), sealing cushion pad offer left abnormity groove (411), left abnormity groove (411) pass through V3 valve the 3rd passage (333) with Low pressure air suction pipeline (14) connects；The outside of sealing cushion pad is provided with vent board (42), and vent board is right with left abnormity groove (411) Answer and at position, be respectively provided with the left passage group (413) being made up of multiple passages, a filter (43) is arranged on left abnormity groove (411) cover described left passage group (413) in and from internal.

Sealing cushion pad (41) is additionally provided with right abnormity groove (412), and right abnormity groove passes through V1 valve first passage (311) Connect with high pressure gas pipeline (22)；Vent board (42) is above provided with by multiple ventilations with right abnormity groove (412) corresponding position The right passage group (414) of hole composition.

The above intelligent vacuum or high-pressure air source device, pump housing Zuo Hefa island (30) split of electric air pump arranges and connects It is integrated.

V1 valve, V2 valve, V3 valve are electrically connected with the electric control part of electric air pump (100).

Take that above design, this utility model intelligent vacuum and high-pressure air source apparatus structure be compact, small volume, wherein three The switching of miniature electromagnetic valve can automatically control the high pressure gas input from extraneous air-breathing, outwardly aerofluxuss and electric air pump, thus real The intelligent management of existing source of the gas；Held by positive pressure gas and vacuum gas holds the certain volumetric gas of storage and vacuum is provided that high pressure or true Sky, and decrease air pump frequent starting, improve gas source feed efficiency.On the other hand, by additional vent board, sealing buffering Pad and filter, the not only clean ambient atmos entering air pump, reduce the vibrations of electric air pump, also set up and external environment Connection, be all discharged to its exterior from external environment condition air-breathing and by waste gas.

Brief description

Fig. 1 is this utility model intelligent vacuum or high-pressure air source device complete machine structure sectional view；

Fig. 2A shows the assembling of V3 valve and electric air pump 100 and is connected, it is the line A-A profile in Fig. 1；

Fig. 2 B shows the assembling of V1 valve and electric air pump 100 and is connected, it is the line B-B profile in Fig. 1；

Fig. 2 C show V2 valve assembling be connected；

Fig. 3 is to carry out, along the line C-C in Fig. 1, the partial sectional view that section obtains；

Fig. 4 shows the front view of intelligent vacuum or high-pressure air source device；And

Fig. 5 is the partial sectional view of the line D-D in Fig. 4.

In figure major part is numbered：

100：Electric air pump；14：Low pressure air suction pipeline, 15：Low pressure air suction check valve, 22：High pressure gas pipeline, 23：High Pressure exhaust check valve；

30：Valve island；

31：V1 valve, 311：V1 valve first passage, 312：V1 valve second passage；

32：V2 valve, 321：V2 valve first passage, 322：V2 valve second passage；

33：V3 valve, 331：V3 valve first passage, 332：V3 valve second passage, 333：V3 valve the 3rd passage；

34：Positive pressure gas hold, and 35：Positive pressure gas appearance vent line, 36：Vacuum gas holds, and 37：Vacuum gas appearance vent line, 38：Gas Flow tube road one, 39：Airflow pipeline two, 40：Malleation union joint, 41：Sealing cushion pad, 42：Vent board, 43：Filter, 45：Very Empty union joint；Top cover 46.

Specific embodiment

Below in conjunction with the drawings and specific embodiments, this utility model intelligent vacuum and high-pressure air source device are carried out specifically Bright.

As shown in figure 1, this utility model intelligent vacuum and high-pressure air source device include electric air pump 100, valve island 30, arrangement Positive pressure gas in valve island 30 hold 34 and one vacuum gas hold 36 and hold with two gas and three of electric air pump pipeline connection micro- Type electromagnetic valve V1 valve 31, V2 valve 32 and V3 valve 33.

Electric air pump 100 is booster-type air pump, and it includes pump housing seat 08 and the cylinder being installed on it, and cylinder low-pressure end sets There is the low pressure air suction pipeline 14 being controlled from low pressure air suction check valve 15 for cylinder gas transmission, high cylinder pressure end is provided with by high pressure The high pressure gas pipeline 22 that gas check valve 23 controls is used for the gas after the output supercharging to outside cylinder.Electric air pump 100 can be It is suitable to the booster-type air pump that manometer verification meets conditions above with existing various forms.

Valve island 30 be for arrange two gas hold, the part of three electromagnetic valves and pipeline, be internally provided with two larger cavity volumes, Three less cavity volumes and multiple pipeline hole.Two larger cavity volumes separating setting can be directly used as positive pressure gas respectively and hold 34 and true Air holds 36, and when larger cavity volume is directly as gas cavity volume room, cavity volume top top cover 46 seals, and in conjunction with shown in Fig. 3, positive pressure gas hold 34 hold vent line 35 by positive pressure gas connects and connects a malleation union joint 40, and vacuum gas holds 36 and holds breather by vacuum gas Road 37 connects and connects a bonding in vacuum head 45；Three less cavity volumes separating setting are respectively used to place described three electromagnetic valves V1 valve 31, V2 valve 32 and V3 valve 33, positive pressure gas are held and are connected by pipeline between 34, vacuum gas appearance 36 and three electromagnetic valves.

Pump housing Zuo08He Fa island 30 is connected, and can arrange for split, both are connected as a single entity with shape all-in-one-piece cramped construction. Wherein：

Refer to Fig. 1 and Fig. 2A, V3 valve 33 is arranged on valve island 30 near electric air pump 100 cylinder low pressure end position.V3 is Two-position three way magnetic valve, it includes three passages is V3 valve the first passage 331, V3 valve the second passage 332 and V3 valve Three passages 333, wherein V3 valve the 3rd passage 333 are communicated to ambient atmosphere, V3 valve the second passage 332 and electric air pump 100 low pressure air suction pipeline 14 connects, and V3 valve the first passage 331 is passed through airflow pipeline 1 and connected with vacuum gas appearance 36.V3 Valve can be in order to control opening or closing of three passages of V3 valve.

Refer to Fig. 1 and Fig. 2 B, V1 valve 31 is arranged on valve island 30 near electric air pump 100 high cylinder pressure end position.V1 valve 31 is two-position two-way solenoid valve, and it includes two passages is V1 valve the first passage 311 and V1 valve the second passage 312, its Middle V1 valve the first passage 311 is communicated to ambient atmosphere, the high-pressure exhaust pipe of V1 valve the second passage 312 and electric air pump 100 Road 22 connects.V1 valve open/break the gas communication/disconnection that can control between high pressure gas pipeline 22 and the external world.

Refer to Fig. 1 and Fig. 2 C, V2 valve 32 is used for connecting the high pressure gas pipeline that positive pressure gas hold 34 and electric air pump 100 22.V2 valve 32 is two-position two-way solenoid valve, is V2 valve the first passage 321 and V2 valve second passage including two passages 322, wherein V2 valve the first passage 321 connects (high pressure gas pipeline 22 by airflow pipeline 2 39 with high pressure gas pipeline 22 It is divided into two branch roads, be connected with V1 valve and V2 valve respectively), V2 valve the second passage 322 holds 34 with positive pressure gas and connects.V2 valve can be used To control opening or closing of two passages of V2 valve.

The electric control part of the miniature electromagnetic valve V1 valve 31, V2 valve 32 and V3 valve 33 and electric air pump 100 of above assembling is equal It is connected to a control circuit, hold 34, vacuum gas and hold the gas between 36 or ambient atmosphere by completing electric air pump 100 and positive pressure gas Stream connection/disconnect, holds 34 storage inside gases at high pressure in positive pressure gas, holds 36 in vacuum gas and is internally formed vacuum.

The intelligent vacuum of above assembling or high-pressure air source device can be used as this utility model devices one.Device one can complete as Lower work：

Vacuum source produces process：V3 is energized, and now V3 valve the 3rd passage 333 is closed, V3 valve the second passage 332 He V3 valve the first passage 331 connects and opens, and vacuum gas is held 36 and inhaled by the low pressure that airflow pipeline 1 connects electric air pump 100 Air pipe 14, the low-pressure end of electric air pump 100 holds 36 to vacuum gas and carries out evacuation；Hold the gas of 36 extractions from vacuum gas in electricity Take offence and be transported to its high-pressure side in pump 100, V1 valve is delivered to by high pressure gas pipeline 22；V1 valve is energized, and opens V1 valve the Two passages 312 and V1 valve the first passage 311, the gas holding 36 extractions from vacuum gas is arranged from V1 valve the first passage 311 Go out to air.By the continuous firing of electric air pump 100, the gas that vacuum gas holds within 36 is constantly discharged, and vacuum gas holds 36 Vacuum improve；V3 valve power-off, closes and holds 36 V3 valve the first passages 331 connecting with vacuum gas, so keeps vacuum gas Hold the vacuum within 36.In above process, V2 closes, and the process electric air pump 100 that vacuum gas holds 36 evacuation does not export height Calm the anger body.

Malleation source of the gas produces process：V3 valve power-off, now V3 valve the first passage 331 close that (electric air pump 100 is no longer 36 are held to vacuum gas and carry out evacuation), and V3 valve the 3rd passage 333 connects and opens with V3 valve the second passage 332, electronic The low pressure air suction pipeline 14 of air pump 100 passes through V3 valve the 3rd passage 333 and atmosphere；Electric air pump 100 runs, electronic gas Pump gas cylinder low-pressure end constantly extracts gas from ambient atmosphere and is pressurized formation gases at high pressure；The energising of V2 valve and V1 valve power-off, open V2 valve the first passage 321 and V2 valve the second passage 322, close V1 valve the second passage 312, and electric air pump 100 is formed Gases at high pressure sequentially pass through high pressure gas pipeline 22, V2 valve the first passage 321, airflow pipeline 2 39, V2 valve second passage 322 are transported to positive pressure gas holds 34, so holds in positive pressure gas and forms high pressure in 34.

As can be seen here, device one can produce gases at high pressure respectively and form vacuum, and the gases at high pressure of generation can store Hold for use as malleation source of the gas in 34 in positive pressure gas, vacuum gas holds 36 formation vacuum sources.In conjunction with shown in Fig. 3, in real work, just Calm the anger appearance 34 pass through malleation union joint 40, vacuum gas hold 36 pass through bonding in vacuum head 45 can with miscellaneous equipment gas communication, or Directly being plugged on miscellaneous equipment, thus providing malleation source of the gas and vacuum source for miscellaneous equipment, implementing the pressurization to miscellaneous equipment And evacuation.

Device one when initially bringing into operation, by open V1 valve and close V2 valve, can be by the cylinder body of electric air pump 100 (high pressure cylinder) is connected between ambient atmos, and now, the gas pressure in high pressure cylinder is external atmospheric pressure, so achieves electricity Take offence pump no pressure start, can eliminate electric air pump on startup because pipe volume little moment produce elevated pressures damage air pump The problem of part, thus protecting air pump, also extends the service life of intelligent compressed air source unit.Device one here no presses startup Afterwards, further according to needing V1 valve, V2 valve, V3 valve are controlled, in order to produce gases at high pressure and vacuum.

For increasing the function of this utility model intelligence compressed air source unit thus lifting its quality, on the basis of said apparatus one It is extended.

Refer to Fig. 4 and Fig. 5 it is shown that being located at the composition of the sealing cushion pad 41 in the front of Fig. 1 shown device one, this is close Envelope cushion pad 41 is laid on valve island 30 outer surface, the outer surface phase with malleation union joint 40, bonding in vacuum head 45 place valve island 30 To (referring to Fig. 3).Two special-shaped grooves are offered on sealing cushion pad 41, wherein left abnormity groove 411 position is held with positive pressure gas 34 relatively, and left abnormity groove 411 is connected with low pressure air suction pipeline 14 by V3 valve the 3rd passage 333, right abnormity groove 412 Put relative with vacuum gas appearance 36, connected with high pressure gas pipeline 22 by V1 valve the first passage 311.

The front end of sealing cushion pad 41 is provided with vent board 42, vent board 42 and left abnormity groove 411, right abnormity groove 412 Corresponding position is respectively provided with the left passage group 413 being made up of multiple passages and right passage group 414, and a filter 43 is arranged Cover described left passage group 413 in left abnormity groove 411 and from internal, vent board 42 and valve island 30 outer surface press from both sides from both sides Tightening seal cushion pad 41 and filter therein 43, close to intelligent compressed air source unit front formation plane by sealing cushion pad 41 Envelope.

Do above assembling on the basis of device one, define modified model intelligence compressed air source unit.Coupling apparatus one worked Journey, when V3 valve off-position, V3 valve the 3rd passage 333 is opened, and ambient atmos enter left abnormity via left passage group 413 Groove 411, enters electric air pump by V3 valve the 3rd passage 333 by low pressure air suction pipeline 14 after being filtered by filter 43 Cylinder (low pressure (LP) cylinder), so, becomes clean gas from the extraneous gas entering low pressure (LP) cylinder through filtration.And work as the energising of V1 valve When, V1 valve the first passage 311 is opened, and the gases at high pressure in the cylinder (high pressure cylinder) of electric air pump are by high pressure gas pipeline 22 warp V1 valve the first passage 311, discharged by the right passage group 414 of vent board 42 (referring to Fig. 2 B), so can achieve electronic gas The no pressure of pump 100 starts.

This utility model can reach following beneficial effect：

Firstth, its compact conformation, small volume, can automatically provide high pressure or vacuum.

Secondth, the malleation source of the gas producing and vacuum can be stored in positive pressure gas appearance and vacuum gas appearance, when required, can Directly to be provided by malleation source of the gas and vacuum source, and run without air pump, decrease air pump frequent starting, improve source of the gas and supply Gas efficiency.

3rd, the vent board adding and valve island form flat seal, such air inlet and row from both sides pinch seal cushion pad The air flue of gas is shorter, and vapour lock is less, and air pump efficiency is higher, and the air that the heat that air pump produces is relatively easy to be inhaled, arrange is taken away.

4th, sealing cushion pad 41, valve island 30 outer surface, vent board 42 inner surface three is collectively forming air-breathing and aerofluxuss Road, air-channel system is connected with external environment condition, air pump its exterior environment air-breathing after filtering, and waste gas is all discharged to system Outside, concentrates encapsulation process it is achieved that the water proof and dust proof of compressed air source unit.

5th, the sealing cushion pad that compression is installed provides for compressed air source unit and supports, and avoids the vibrations of electric air pump straight simultaneously Connect and be transmitted to engine body exterior, serve cushioning effect.

6th, inlet end using isolation defecator it is ensured that dust and other solid particles will not enter inside gas circuit.

It will be appreciated by those skilled in the art that these embodiments or embodiment are merely to illustrate this utility model and do not make It is to restriction of the present utility model, according to it, the various equivalent variations made and modification belong to this utility model disclosure.

Claims (10)

1. a kind of intelligent vacuum and high-pressure air source device, including an electric air pump (100) it is characterised in that：Also include with electronic The valve island (30) that the pump housing seat of air pump connects, the positive pressure gas being distributed with valve island hold (34) and a vacuum gas holds (36), and Hold with two gas and three miniature electromagnetic valves of electric air pump pipeline connection are V1 valve, V2 valve and V3 valve.

2. according to claim 1 intelligent vacuum and high-pressure air source device it is characterised in that：It is provided with two inside valve island (30) Larger cavity volume, three less cavity volumes and multiple pipeline, two larger cavity volumes separating setting are directly used as positive pressure gas appearance respectively (34) and vacuum gas hold (36), cavity volume top with top cover (46) seal；Three less cavity volumes of separation setting are placed described respectively V1 valve, V2 valve and V3 valve, positive pressure gas hold, vacuum gas is held and connected by pipeline and three electromagnetic valves between.

3. according to claim 2 intelligent vacuum and high-pressure air source device it is characterised in that：V3 valve is two-position three-way electromagnetic Valve, it includes V3 valve first passage (331), V3 valve second passage (332) and V3 valve the 3rd passage (333), wherein V3 Valve the 3rd passage (333) is communicated to ambient atmosphere, the low pressure air suction pipeline of V3 valve second passage (332) and electric air pump (14) connect, V3 valve first passage (331) is passed through airflow pipeline one (38) and connected with vacuum gas appearance (36).

4. according to claim 3 intelligent vacuum and high-pressure air source device it is characterised in that：V1 valve is bi-bit bi-pass electromagnetism Valve, it includes V1 valve first passage (311) and V1 valve second passage (312), wherein V1 valve first passage (311) connection To ambient atmosphere, V1 valve second passage (312) is connected with the high pressure gas pipeline (22) of electric air pump.

5. according to claim 4 intelligent vacuum and high-pressure air source device it is characterised in that：V2 valve is bi-bit bi-pass electromagnetism Valve, including V2 valve first passage (321) and V2 valve second passage (322), wherein V2 valve first passage (321) and high pressure Gas exhaust piping (22) connects, and V2 valve second passage (322) holds (34) with positive pressure gas and connects.

6. according to claim 5 intelligent vacuum and high-pressure air source device it is characterised in that：Positive pressure gas hold (34) and pass through pipeline Connect a malleation union joint (40), vacuum gas holds (36) and passes through pipeline connection one bonding in vacuum head (45).

7. according to any one of claim 3 to 6 intelligent vacuum and high-pressure air source device it is characterised in that：Valve island (30) is just Face outer surface is equipped with a sealing cushion pad (41), and sealing cushion pad offers left abnormity groove (411), left abnormity groove (411) connected with low pressure air suction pipeline (14) by V3 valve the 3rd passage (333)；The outside of sealing cushion pad is provided with vent board (42), vent board and left abnormity groove (411) corresponding position are respectively provided with the left passage group being made up of multiple passages (413), a filter (43) is arranged in left abnormity groove (411) and covers described left passage group (413) from internal.

8. according to claim 7 intelligent vacuum and high-pressure air source device it is characterised in that：Sealing cushion pad (41) is additionally provided with Right abnormity groove (412), right abnormity groove is connected with high pressure gas pipeline (22) by V1 valve first passage (311)；Ventilation Plate (42) is above and right abnormity groove (412) corresponding position is provided with the right passage group (414) being made up of multiple passages.

9. according to claim 8 intelligent vacuum and high-pressure air source device it is characterised in that：The pump housing seat of electric air pump and valve Island (30) split arranges and is connected as a single entity.

10. according to claim 9 intelligent vacuum and high-pressure air source device it is characterised in that：V1 valve, V2 valve, V3 valve and electricity Take offence pump (100) electric control part electrical connection.