CN2862140Y - Pressure regulating apparatus for container, van and cooling machine - Google Patents
Pressure regulating apparatus for container, van and cooling machine Download PDFInfo
- Publication number
- CN2862140Y CN2862140Y CN 200520120455 CN200520120455U CN2862140Y CN 2862140 Y CN2862140 Y CN 2862140Y CN 200520120455 CN200520120455 CN 200520120455 CN 200520120455 U CN200520120455 U CN 200520120455U CN 2862140 Y CN2862140 Y CN 2862140Y
- Authority
- CN
- China
- Prior art keywords
- atmospheric pressure
- van
- protecgulum
- bonnet
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 title 1
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- WABPQHHGFIMREM-FTXFMUIASA-N lead-202 Chemical compound [202Pb] WABPQHHGFIMREM-FTXFMUIASA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure regulating apparatus for container or van trucks and coolers, including pressure regulating device and pressure measurement controlling device. The pressure regulating device includes front cover with through hole, rear cover, air pressure plate, air pressure plate guiding device, sealing ring, elastic element, elastic element guiding device, and electromagnetic device. The sealing ring is disposed in the interior of the front cover and encloses the through holes. The air pressure plate is disposed in the interior of the front cover and encloses the through holes within the projection region of sealing surface of the sealing ring. The elastic element moves the air pressure plate by the air pressure plate guiding device to compress tightly on the sealing ring. The electromagnetic device is fixedly connected with the air pressure plate or rear cover. The pressure measurement controlling device is in series connection with the power supply and the electromagnetic device and installed in the interior side of the container or van trucks and coolers. The utility model realizes the pressure inside and outside the automatic pressure regulating sealed case, prevents damages to the case structure from the interior and exterior pressure differences, and has the advantages of simple structure, reliable protection and easy application.
Description
Technical field
The utility model relates to the device that container pressure is regulated, and more particularly, relates to a kind of regulator that is used for container, van and cold machine.
Background technology
When airtight container body or Van type Motor Truck work, usually because certain reason makes case internal gas pressure and the outer air pressure out of trim of case, have only Water outlet device to communicate when working with atmosphere as congealer, Water outlet device can play the effect of balance box inner and outer air pressure to a certain extent, but congealer case inner product water capacity when using winter is easily frozen and is stopped up Water outlet device, make the body inside and outside air pressure out of trim, produce inside and outside differential pressure, this inside and outside differential pressure causes body structure to destroy after reaching certain level easily.
At present, the regulator that airtight container body, Van type Motor Truck or cold machine also do not have to be fit to comes the pressure reduction of regulating box inside and outside generation, prevents that the body structure that inside and outside differential pressure causes from destroying.
The utility model content
The technical problems to be solved in the utility model is, a kind of regulator that is used for container, van and cold machine is provided, and can regulate carrying out pressure inside and outside the airtight casing, reaches the purpose of guard box body structure.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of regulator that is used for container, van and cold machine, it is characterized in that: described regulator comprises pressure adjustment assembly and pressure measurement control device, this pressure adjustment assembly comprises protecgulum, bonnet, atmospheric pressure board, atmospheric pressure board guide piece, O-ring seal, flexible member, flexible member guide piece and calutron, described protecgulum comprises the side plate of base plate and ring-type, this base plate and side plate constitute the space of tubular, and this base plate comprises through hole; Described O-ring seal is positioned at this protecgulum base plate inboard and surrounds the through hole of protecgulum base plate, described atmospheric pressure board is positioned at the space of described protecgulum tubular and is parallel to the protecgulum base plate, also comprise the through hole that is positioned at described O-ring seal sealing surface view field on this atmospheric pressure board, the through hole that described atmospheric pressure board guide piece guarantees this atmospheric pressure board easy motion and guarantee this atmospheric pressure board when this atmospheric pressure board and described O-ring seal are fitted is positioned at described O-ring seal sealing surface view field; Described bonnet comprises base plate, and this base plate comprises through hole; Described flexible member guide piece is between described atmospheric pressure board and the described bonnet and be connected on this atmospheric pressure board or this bonnet, described flexible member promotes this atmospheric pressure board by this flexible member guide piece and is pressed on the described O-ring seal, described calutron is connected on this atmospheric pressure board or this bonnet, comprises the ring texture of sealing between described protecgulum and the described bonnet; Described pressure measurement control device and power supply and described calutron are connected in series and are installed on the case inboard of described container, van and cold machine.
At the regulator that is used for container, van and cold machine described in the utility model, described pressure measurement control device comprises baroceptor, IC table and switch, this IC table is electrically connected with this baroceptor and switch respectively, this baroceptor is surveyed the inboard air pressure of case of described container, van and cold machine, and the air pressure electrical signal transfer shown to IC, this air pressure electric signal of IC list processing (LISP) is also exported control signal and is given switch, and this switch is connected in series with power supply and described calutron and moves according to this control signal.
At the regulator that is used for container, van and cold machine described in the utility model, described air pressure electric signal is voltage signal or current signal, this air pressure electric signal of described IC list processing (LISP) comprises this air pressure electric signal of amplification, described switch is a relay switch, two end value P1 and the P2 correspondence of case internal gas pressure scope P1＜P＜P2 that this relay switch is regulated according to hope are provided with two working values, when this air pressure electric signal that amplifies is in this two working values scope, this relay switch keeps disconnecting described pressure adjustment assembly closure; When this air pressure electric signal that amplifies equals this two working value or beyond this two working values scope the time, this relay switch closure, described pressure adjustment assembly is opened.
At the container that is used for described in the utility model, in the regulator of van and cold machine, described air pressure electric signal is voltage signal or current signal, described switch is relay switch or transistor switch, described IC table comprises that two the end value P1 of case internal gas pressure scope P1＜P＜P2 of regulating according to hope and P2 correspondence are provided with two working values, this air pressure electric signal of described IC list processing (LISP) comprises that amplifying this air pressure electric signal and this air pressure electric signal that will amplify and this two working values carries out signal relatively, the IC table stops to handle when this air pressure electric signal that amplifies is in this two actuating ranges value, described switch keeps disconnecting described pressure adjustment assembly closure; When this air pressure electric signal that amplifies equals this two working value or beyond this two working values scope the time, this IC table output control signal, described switch closure, described pressure adjustment assembly is opened.
At the container that is used for described in the utility model, in the regulator of van and cold machine, described pressure measurement control device comprises the air pressure control enclosure, this air pressure control enclosure comprises sealing and has the box body of a predetermined box internal gas pressure, two quiet conducting end that are arranged in this box body and keep at a certain distance away and the moving conductive end between this quiet conducting end, this box body is provided with the pressure-sensitive film, these two one of quiet conducting end are the near quiet conducting end nearer apart from this pressure-sensitive film, another is the far away quiet conducting end far away apart from this pressure-sensitive film, and this moving conductive end is connected with this pressure-sensitive membrane rigidity and can moves between described quiet conducting end with the distortion of this pressure-sensitive film; Distance between this quiet conducting end and this moving conductive end satisfy following condition: when the case internal gas pressure P outside this air pressure control enclosure was in case internal gas pressure scope P1＜P＜P2 that hope is regulated, this pressure-sensitive film drove this moving conductive end between this nearly quiet conducting end and quiet conducting end far away; When this case internal gas pressure P≤P1, this pressure-sensitive film drives this nearly quiet conducting end of this moving conductive end in contact, and when this case internal gas pressure P/P2, this pressure-sensitive film drives this quiet conducting end far away of this moving conductive end in contact; This two quiet conducting end sealed insulation in parallel is drawn described box body, and as an output terminal of this pressure measurement control device, this moving conductive end sealed insulation is drawn described box body, as another output terminal of this pressure measurement control device; Described two output terminals are connected in series with power supply and described calutron.
At the regulator that is used for container, van and cold machine described in the utility model, described atmospheric pressure board guide piece comprises described protecgulum side plate medial surface and the described atmospheric pressure board outer rim side that is slidingly matched with this protecgulum side plate medial surface, or comprises and be positioned at described protecgulum side plate inboard along the gathering sill of described atmospheric pressure board direction of motion setting be positioned at this atmospheric pressure board outer rim corresponding to described gathering sill and be positioned at the guiding pin that this gathering sill slides.
At the regulator that is used for container, van and cold machine described in the utility model, described atmospheric pressure board guide piece comprises guide finger and guide plate, and described guide finger is connected with described atmospheric pressure board, and its axis is parallel with the direction of motion of this atmospheric pressure board; Described guide plate comprises air-flow through hole and the pilot hole corresponding with described guide finger, and this guide finger is corresponding to be inserted in the described pilot hole, and this guide plate is connected the front end of described protecgulum side plate.
At the regulator that is used for container, van and cold machine described in the utility model, described protecgulum ring-type side plate is a cylindrical shape, and described atmospheric pressure board guide piece and flexible member guide piece are balanced to be arranged, guarantees this atmospheric pressure board motion and stress balance.
At the regulator that is used for container, van and cold machine described in the utility model, described flexible member is a garden column type compression spring, described flexible member guide piece comprises vertical and is connected on the described atmospheric pressure board or vertical and be connected in guide pillar on the described bonnet, suitable distance of distance that the length of this guide pillar is installed back atmospheric pressure board medial surface and bonnet medial surface less than this regulator is to guarantee a rational stroke of atmospheric pressure board space; The diameter of this guide pillar is slightly less than the internal diameter of described spring, and described spring housing is on this guide pillar.
At the regulator that is used for container, van and cold machine described in the utility model, described flexible member is a garden column type compression spring, described flexible member guide piece comprises vertical and is connected on the described atmospheric pressure board or vertical and be connected in guide cylinder on the described bonnet, suitable distance of distance that the length of this guide cylinder is installed back atmospheric pressure board medial surface and bonnet medial surface less than this regulator is to guarantee a rational stroke of atmospheric pressure board space; The internal diameter of this guide cylinder is slightly larger than the external diameter of described spring, and described spring inserts in this guide cylinder.
At the regulator that is used for container, van and cold machine described in the utility model, the ring texture that seals between described protecgulum and the bonnet comprises the annular seal ring that side plate and the described bonnet base plate with described protecgulum ring-type is tightly connected; Described protecgulum and bonnet comprise by the extended flange of its base plate, and this flange is tightly connected with the case inboard and the case outside of described container, van and cold machine respectively.
At the regulator that is used for container, van and cold machine described in the utility model, described bonnet comprises the ring-type side plate that is vertically extended by its base plate, this base plate and side plate constitute the space of tubular, and the ring texture that seals between described protecgulum and the bonnet comprises installation tube or the annular seal ring that is tightly connected with described protecgulum ring-type side plate and described bonnet ring-type side plate.
Implement the regulator that is used for container, van and cold machine of the present utility model, have following beneficial effect:
1. regulate closed box inside and outside pressure automatically, prevent body structure because the destruction that inside and outside differential pressure causes.
2. simple in structure, protection is reliable, implements easily.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is that the regulator that the utility model is used for container, van and cold machine is installed and used synoptic diagram on container body or Van type Motor Truck.
Fig. 2 is that the regulator that the utility model is used for container, van and cold machine is installed and used synoptic diagram on cold machine.
Fig. 3 is the A portion enlarged drawing among Fig. 1,2, shows the closed condition of a kind of embodiment of the utility model regulator.
Fig. 4 is the front view of protecgulum 1 among Fig. 3.
Fig. 5 is the open mode of Fig. 3 embodiment.
Fig. 6 is the closed condition of the another kind of embodiment of the utility model regulator.
Fig. 7 is the open mode of Fig. 6 embodiment.
Fig. 8 is the structural representation of first kind of embodiment of the pressure measurement control device of the utility model regulator.
Fig. 9 is the principle of work block diagram of first kind of embodiment of pressure measurement control device of the utility model regulator.
Figure 10 is the outside duty of distortion of structural representation pressure-sensitive film of the third embodiment of the pressure measurement control device of the utility model regulator.
Figure 11 is that the structural representation pressure-sensitive film of the third embodiment of pressure measurement control device of the utility model regulator is to enterolithic duty.
Embodiment
The regulator that the utility model is used for container, van and cold machine is that airtight container body or airtight Van type Motor Truck (as congealer, refrigerator carriage or other airtight containers or closed lorry body etc.) are carried out the pressure adjusting, prevent that the casing inside and outside differential pressure from damaging body structure, below describe with the example that is utilized as on congealer, refrigerator carriage and cold machine.
Fig. 1 shows this regulator installing and using on container body or Van type Motor Truck.As shown in Figure 1, on the side plate of casing 100 mounting hole is set, regulator 200 is installed in the mounting hole, connect box is inside and outside with the adjusting tank internal gas pressure.Regulator 200 is installed on the side plate of casing usually, and certainly, regulator 200 also can be installed on other structures of casing, as top board, floor etc.
Fig. 2 shows this regulator installing and using on cold machine.As shown in Figure 2, on cold machine 300 mounting hole is set, regulator 200 is installed in the mounting hole, connect box is inside and outside with the adjusting tank internal gas pressure, is convenient to simultaneously and cold machine common source.Can also at cold machine edge mounting groove be set according to cold machine design feature, regulator 200 is installed in this mounting groove.
Fig. 3 Fig. 5 shows a kind of embodiment of the utility model regulator.As shown in Figure 3, regulator 200 comprises pressure adjustment assembly and is arranged on the pressure measurement control device 203 of case inboard, pressure adjustment assembly comprises protecgulum 1, bonnet 2, atmospheric pressure board 3, bourdon tube 6, cylinder-shaped compression spring 7, O-ring seal 9, calutron 201, atmospheric pressure board guide piece, connects the ring texture of protecgulum 1 and bonnet 2, and detailed structure is as follows:
Present embodiment atmospheric pressure board guide piece is atmospheric pressure board lateral surface and protecgulum ring-type side plate 12 medial surfaces that shape is identical and match.The atmospheric pressure board guide piece guarantees atmospheric pressure board 3 easy motions and guarantee that the through hole 32 of atmospheric pressure board 3 is positioned at the sealing surface view field of O-ring seal 9 when atmospheric pressure board 3 is fitted with O-ring seal 9.
The atmospheric pressure board guide piece can also adopt that the direction of motion along atmospheric pressure board 3 is provided with gathering sill in protecgulum ring-type side plate 12 inboards, corresponding to gathering sill the guiding pin is set in the outer rim of atmospheric pressure board 3, and the guiding pin is positioned at this gathering sill and slides, and realizes leading.
Shown in Figure 7 as Fig. 6, in another embodiment, the atmospheric pressure board guide piece adopts following structure: the atmospheric pressure board guide piece comprises guide finger 4 and guide plate 5, wherein guide finger 4 is connected with atmospheric pressure board 3, have airflow hole 51 on the guide plate 5 and corresponding to the pilot hole 52 of guide finger 4, guide finger 4 inserts in the pilot hole 52 atmospheric pressure board 3 move left and right is led, and guarantees atmospheric pressure board 3 easy motions and guarantee that the through hole 32 of atmospheric pressure board 3 is positioned at the sealing surface view field of O-ring seal 9 when atmospheric pressure board 3 is fitted with O-ring seal 9.This guide plate 5 is connected the front end of protecgulum ring-type side plate 12, and present embodiment is arranged between protecgulum ring-type side plate 12 and the bonnet ring-type side plate 22, the structure that also can adopt guide plate 5 to be threaded with the front end of protecgulum ring-type side plate 12.
As shown in Figure 3, bonnet 2 comprises base plate 21, ring-type side plate 22 and flange 23, has through hole 24 on the base plate 21.The cross-sectional shape of the cross-sectional shape of the ring-type side plate 22 of bonnet 2 and the ring-type side plate 12 of protecgulum 1 is identical and match, as all adopting cylindrical shape or all adopting square tube shape etc.
The protecgulum 1 of connection pressure adjustment assembly need be airtight with the ring texture of bonnet 2, can not cause gas leakage, leak hot phenomenon with space in the guard box.In the present embodiment, this airtight ring texture is the installation tube 8 that is tightly connected with protecgulum ring-type side plate 12 and bonnet ring-type side plate 22.The structure that this airtight ring texture can adopt protecgulum ring-type side plate 12 and bonnet ring-type side plate 22 and cold machine body construction to be tightly connected, also can adopt and protecgulum ring-type side plate 12 and the bonnet ring-type side plate 22 annular seal coil structures that is tightly connected, can also adopt the protecgulum ring-type side plate 12 and the bonnet ring-type side plate 22 that are tightly connected mutually, be threaded with bonnet ring-type side plate 22 or wringing fit is connected etc. as protecgulum ring-type side plate 12.
In other embodiments, bonnet 2 can not be provided with ring-type side plate 22.
Bourdon tube 6 is connected in bonnet 2 base plates 24 inboards, the internal diameter of bourdon tube 6 is slightly larger than the external diameter of cylinder-shaped compression spring 7, cylinder-shaped compression spring 7 is inserted in the bourdon tube 6 and led by it, suitable distance of distance that the length of bourdon tube 6 is installed back atmospheric pressure board 3 medial surfaces and bonnet 2 medial surfaces less than regulator is to guarantee that atmospheric pressure board 3 has a rational stroke space.Cylinder-shaped compression spring 7 promotes atmospheric pressure board 3 by this bourdon tube 6 and is pressed on the O-ring seal 9.Bourdon tube 6 also can be connected in the inboard of atmospheric pressure board 3.
Cylinder-shaped compression spring 7 can adopt cone shaped spring or cylindrical shape rubber column to replace.When adopting cone shaped spring, its guide piece can adopt short round platform or short cylinder corresponding to the big end of cone shaped spring, and short round platform or short cylinder can be connected in the inboard of bonnet 2 base plates, 24 inboards or atmospheric pressure board 3.
The guiding of cylinder-shaped compression spring 7 can also adopt the guide pillar that fixedly connected to the inner side 31 with atmospheric pressure board 3, suitable distance of distance that the length of this guide pillar 31 is installed back atmospheric pressure board 3 medial surfaces and bonnet 2 medial surfaces less than regulator is to guarantee that atmospheric pressure board 3 has a rational stroke space; The diameter of guide pillar 31 is slightly less than the internal diameter of cylinder-shaped compression spring 7, and cylinder-shaped compression spring 7 is enclosed within on this guide pillar 31 and leads.Guide pillar 31 also can be connected in bonnet 2 base plates 24 inboards.Guide pillar guiding and bourdon tube guiding can be used separately spring is led, and have used this two kinds of guide frames in the present embodiment simultaneously, and guide pillar 31 inserts in the bourdon tube 6.
For guaranteeing the steady and stress balance of atmospheric pressure board 3 motions, the guide piece of cylinder-shaped compression spring 7 should balanced arrangement.
The flange 13 of protecgulum 1 and the flange 23 of bonnet 2 are with this inside and outside biside plate welding of cold machine or rivet during for convenient the installation, when the installation site of pressure adjustment assembly inside and outside biside plate on casing processes when accurate, protecgulum 1 and bonnet 2 can not established flange 13 and flange 23.The junction of the inside and outside biside plate of pressure adjustment assembly and casing can adopt fluid sealant to seal, and prevents that the junction from leaking.
As shown in Figure 3, calutron adopts pocketed springs pipe 6 and is connected in coil 201 on the bonnet 2, and two rear line heads of coil 201 are drawn bonnet 2 and are connected in series by lead 202 and power supply 205 and the pressure measurement control device 203 that is arranged on the case inboard.Power supply 205 can utilize cold machine AC power, also can establish direct supply in addition.
Calutron can also directly adopt the electromagnet that is connected in bonnet base plate 24 inboards or is connected in atmospheric pressure board 3 inboards.The uniform setting of calutron is to guarantee atmospheric pressure board 3 stress balances.Calutron can be provided with one or more.Atmospheric pressure board 3 is subjected to spring 7 effects to compress O-ring seal 9 during the calutron outage, and pressure adjustment assembly is in closed condition; In calutron when energising, produce magnetic force and overcome spring force atmospheric pressure board 3 adhesives are separated with O-ring seal 9, and pressure adjustment assembly is in open mode, as shown in Figure 5.
Fig. 8 shows the structured flowchart of 203 first kinds of embodiments of pressure measurement control device.Pressure measurement control device 203 comprises baroceptor 2031, IC table 2032, switch 2033, IC table 2032 is connected with baroceptor 2031, switch 2033 respectively by lead 2034, and baroceptor 2031, IC table 2032, switch 2033 are placed in the box body 2035.
The principle of work of the pressure measurement control device 203 of present embodiment as shown in Figure 9.Two the end value P1 of the case internal gas pressure scope P1＜P＜P2 that regulates according to hope and P2, corresponding default two working values IC table 2032 in, switch 2033 employing relay switch or transistor switches.Baroceptor 2031 detection case internal gas pressures also are converted to the curtage signal and pass to IC table 2032, IC table 2032 amplifies the curtage signal that receives, and the received signal after will amplifying compares with two working values presetting, when the received signal after the amplification is in this two actuating ranges value, IC table 2032 stops to handle, switch 2033 keeps disconnecting the pressure adjustment assembly closure; Received signal after amplifying equals this two working value or beyond this two working values scope the time, and this IC table 2032 is to switch 2033 output control signals, switch 2033 closures, and the atmospheric pressure board 3 of calutron adhesive pressure adjustment assembly, pressure adjustment assembly is opened.
Second kind of embodiment structure of pressure measurement control device 203 also adopts structure shown in Figure 8, be with first kind of embodiment difference, switch 2033 adopts relay switch, and two end value P1 of the case internal gas pressure scope P1＜P＜P2 that regulates according to hope in this relay switch and P2 correspondence are provided with two working values, IC table 2032 passes to switch 2033 after amplifying the air pressure electric signal that receives, when in the two working value scopes of air pressure electric signal in this setting of amplifying, switch 2033 keeps disconnecting the pressure adjustment assembly closure; In the time of beyond the air pressure electric signal that amplifies equals two working values of this setting or two working value scopes in this setting, switch 2033 closures, the atmospheric pressure board 3 of calutron adhesive pressure adjustment assembly, pressure adjustment assembly is opened.
Figure 10 shows the structural representation of pressure measurement control device 203 the third embodiments.As shown in figure 10, pressure measurement control device 203 comprises air pressure control enclosure 2041, be arranged on air pressure control enclosure 2041 interior and keep at a certain distance away nearly stationary contact bar 2038 and stationary contact bars 2036 far away, and the T font movable feeler lever 2037 between nearly stationary contact bar 2038 and stationary contact bar 2036 far away, 2041 sealings of air pressure control enclosure also have a predetermined box internal gas pressure, usually be set at an atmospheric pressure, pressure-sensitive film 2040 is set on the box body, and the vertical part of T font movable feeler lever 2037 links to each other with pressure-sensitive film 2040 centers by pull bar 2039.Nearly stationary contact bar 2038 and stationary contact bar far away 2036 also sealed insulations in parallel are drawn air pressure control enclosure 2041, as an output terminal of pressure measurement control device 203; T font movable feeler lever 2037 sealed insulations are drawn air pressure control enclosure 2041, as another output terminal of pressure measurement control device 203.These two output terminals are connected in series with power supply 205 and calutron by lead 202.
Distance and T font movable feeler lever 2037 between nearly stationary contact bar 2038 and the stationary contact bar 2036 far away satisfy following condition: when the case internal gas pressure P outside the air pressure control enclosure 2041 was in case internal gas pressure scope P1＜P＜P2 that hope is regulated, pressure-sensitive film 2040 drove this T font movable feeler lever 2037 between this nearly stationary contact bar 2038 and stationary contact bar 2036 far away; When this case internal gas pressure P≤P1, pressure-sensitive film 2040 drives this T font movable feeler lever 2037 these nearly stationary contact bars 2038 (as shown in figure 10) of contact, when this case internal gas pressure P/P2, pressure-sensitive film 2040 drives this T font movable feeler lever 2037 these stationary contact bars 2036 far away (as shown in figure 11) of contact.
Nearly stationary contact bar 2038 and stationary contact bar 2036 far away can replace with stationary contact, and T font movable feeler lever 2037 can replace with moving contact, and movement locus that can also corresponding moving contact is provided with guide piece, the accurate motion of assurance moving contact.
As Fig. 3, shown in Figure 6, when cited embodiment regulator 200 is installed on container, van and the cold machine in this embodiment, protecgulum 1 and bonnet 2 lay respectively at the case outside and case inboard, in fact, also the installation site of protecgulum 1 and bonnet 2 can be exchanged, reach protecgulum 1 and bonnet 2 and lay respectively at the inboard and case outside of case, but 203 of pressure measurement control device must be arranged on the case inboard.
When regulator 200 is installed on the airtight casing of individual layer wallboard, can adopts the protecgulum ring-type side plate 12 and the bonnet ring-type side plate 22 that connect by mutual sealing to constitute the closed circular structure, and the flange of protecgulum or bonnet sealed with wallboards of box body be connected.
Claims (14)
1, a kind of regulator that is used for container, van and cold machine, it is characterized in that: described regulator comprises pressure adjustment assembly and pressure measurement control device, this pressure adjustment assembly comprises protecgulum, bonnet, atmospheric pressure board, atmospheric pressure board guide piece, O-ring seal, flexible member, flexible member guide piece and calutron, described protecgulum comprises the side plate of base plate and ring-type, this base plate and side plate constitute the space of tubular, and this base plate comprises through hole; Described O-ring seal is positioned at this protecgulum base plate inboard and surrounds the through hole of protecgulum base plate, described atmospheric pressure board is positioned at the space of described protecgulum tubular and is parallel to the protecgulum base plate, also comprise the through hole that is positioned at described O-ring seal sealing surface view field on this atmospheric pressure board, the through hole that described atmospheric pressure board guide piece guarantees this atmospheric pressure board easy motion and guarantee this atmospheric pressure board when this atmospheric pressure board and described O-ring seal are fitted is positioned at described O-ring seal sealing surface view field; Described bonnet comprises base plate, and this base plate comprises through hole; Described flexible member guide piece is between described atmospheric pressure board and the described bonnet and be connected on this atmospheric pressure board or this bonnet, described flexible member promotes this atmospheric pressure board by this flexible member guide piece and is pressed on the described O-ring seal, described calutron is connected on this atmospheric pressure board or this bonnet, comprises the ring texture of sealing between described protecgulum and the described bonnet; Described pressure measurement control device and power supply and described calutron are connected in series and are installed on the case inboard of described container, van and cold machine.
2, the regulator that is used for container, van and cold machine according to claim 1, it is characterized in that: described pressure measurement control device comprises baroceptor, IC table and switch, this IC table is electrically connected with this baroceptor and switch respectively, this baroceptor is surveyed the inboard air pressure of case of described container, van and cold machine, and the air pressure electrical signal transfer shown to IC, this air pressure electric signal of IC list processing (LISP) is also exported control signal and is given switch, and this switch is connected in series with power supply and described calutron and moves according to this control signal.
3, the regulator that is used for container, van and cold machine according to claim 2, it is characterized in that: described air pressure electric signal is voltage signal or current signal, this air pressure electric signal of described IC list processing (LISP) comprises this air pressure electric signal of amplification, described switch is a relay switch, two end value P1 and the P2 correspondence of case internal gas pressure scope P1＜P＜P2 that this relay switch is regulated according to hope are provided with two working values, when this air pressure electric signal that amplifies is in this two working values scope, this relay switch keeps disconnecting described pressure adjustment assembly closure; When this air pressure electric signal that amplifies equals this two working value or beyond this two working values scope the time, this relay switch closure, described pressure adjustment assembly is opened.
4, the container that is used for according to claim 2, the regulator of van and cold machine, it is characterized in that: described air pressure electric signal is voltage signal or current signal, described switch is relay switch or transistor switch, described IC table comprises that two the end value P1 of case internal gas pressure scope P1＜P＜P2 of regulating according to hope and P2 correspondence are provided with two working values, this air pressure electric signal of described IC list processing (LISP) comprises that amplifying this air pressure electric signal and this air pressure electric signal that will amplify and this two working values carries out signal relatively, the IC table stops to handle when this air pressure electric signal that amplifies is in this two actuating ranges value, described switch keeps disconnecting described pressure adjustment assembly closure; When this air pressure electric signal that amplifies equals this two working value or beyond this two working values scope the time, this IC table output control signal, described switch closure, described pressure adjustment assembly is opened.
5, the container that is used for according to claim 1, the regulator of van and cold machine, it is characterized in that: described pressure measurement control device comprises the air pressure control enclosure, this air pressure control enclosure comprises sealing and has the box body of a predetermined box internal gas pressure, two quiet conducting end that are arranged in this box body and keep at a certain distance away and the moving conductive end between this quiet conducting end, this box body is provided with the pressure-sensitive film, these two one of quiet conducting end are the near quiet conducting end nearer apart from this pressure-sensitive film, another is the far away quiet conducting end far away apart from this pressure-sensitive film, and this moving conductive end is connected with this pressure-sensitive membrane rigidity and can moves between described quiet conducting end with the distortion of this pressure-sensitive film; Distance between this quiet conducting end and this moving conductive end satisfy following condition: when the case internal gas pressure P outside this air pressure control enclosure was in case internal gas pressure scope P1＜P＜P2 that hope is regulated, this pressure-sensitive film drove this moving conductive end between this nearly quiet conducting end and quiet conducting end far away; When this case internal gas pressure P≤P1, this pressure-sensitive film drives this nearly quiet conducting end of this moving conductive end in contact, and when this case internal gas pressure P/P2, this pressure-sensitive film drives this quiet conducting end far away of this moving conductive end in contact; This two quiet conducting end sealed insulation in parallel is drawn described box body, and as an output terminal of this pressure measurement control device, this moving conductive end sealed insulation is drawn described box body, as another output terminal of this pressure measurement control device; Described two output terminals are connected in series with power supply and described calutron.
6, according to the described regulator that is used for container, van and cold machine of one of claim 1 to 5, it is characterized in that: described atmospheric pressure board guide piece comprises described protecgulum side plate medial surface and the described atmospheric pressure board outer rim side that is slidingly matched with this protecgulum side plate medial surface, or comprises and be positioned at described protecgulum side plate inboard along the gathering sill of described atmospheric pressure board direction of motion setting be positioned at this atmospheric pressure board outer rim corresponding to described gathering sill and be positioned at the guiding pin that this gathering sill slides.
7, according to the described regulator that is used for container, van and cold machine of one of claim 1 to 5, it is characterized in that: described atmospheric pressure board guide piece comprises guide finger and guide plate, described guide finger is connected with described atmospheric pressure board, and its axis is parallel with the direction of motion of this atmospheric pressure board; Described guide plate comprises air-flow through hole and the pilot hole corresponding with described guide finger, and this guide finger is corresponding to be inserted in the described pilot hole, and this guide plate is connected the front end of described protecgulum side plate.
8, the regulator that is used for container, van and cold machine according to claim 6, it is characterized in that: described protecgulum ring-type side plate is a cylindrical shape, described atmospheric pressure board guide piece and flexible member guide piece are balanced to be arranged, guarantees this atmospheric pressure board motion and stress balance.
9, the regulator that is used for container, van and cold machine according to claim 7, it is characterized in that: described protecgulum ring-type side plate is a cylindrical shape, described atmospheric pressure board guide piece and flexible member guide piece are balanced to be arranged, guarantees this atmospheric pressure board motion and stress balance.
10, according to Claim 8 or the 9 described regulators that are used for container, van and cold machine, it is characterized in that: described flexible member is a garden column type compression spring, described flexible member guide piece comprises vertical and is connected on the described atmospheric pressure board or vertical and be connected in guide pillar on the described bonnet, suitable distance of distance that the length of this guide pillar is installed back atmospheric pressure board medial surface and bonnet medial surface less than this regulator is to guarantee a rational stroke of atmospheric pressure board space; The diameter of this guide pillar is slightly less than the internal diameter of described spring, and described spring housing is on this guide pillar.
11, according to Claim 8 or the 9 described regulators that are used for container, van and cold machine, it is characterized in that: described flexible member is a garden column type compression spring, described flexible member guide piece comprises vertical and is connected on the described atmospheric pressure board or vertical and be connected in guide cylinder on the described bonnet, suitable distance of distance that the length of this guide cylinder is installed back atmospheric pressure board medial surface and bonnet medial surface less than this regulator is to guarantee a rational stroke of atmospheric pressure board space; The internal diameter of this guide cylinder is slightly larger than the external diameter of described spring, and described spring inserts in this guide cylinder.
12, the regulator that is used for container, van and cold machine according to claim 10 is characterized in that: the ring texture that seals between described protecgulum and the bonnet comprises the annular seal ring that side plate and the described bonnet base plate with described protecgulum ring-type is tightly connected; Described protecgulum and bonnet comprise by the extended flange of its base plate, and this flange is tightly connected with the case inboard and the case outside of described container, van and cold machine respectively.
13, the regulator that is used for container, van and cold machine according to claim 11 is characterized in that: the ring texture that seals between described protecgulum and the bonnet comprises the annular seal ring that side plate and the described bonnet base plate with described protecgulum ring-type is tightly connected; Described protecgulum and bonnet comprise by the extended flange of its base plate, and this flange is tightly connected with the case inboard and the case outside of described container, van and cold machine respectively.
14, according to claim 12 or the 13 described regulators that are used for container, van and cold machine, it is characterized in that: described bonnet comprises the ring-type side plate that is vertically extended by its base plate, this base plate and side plate constitute the space of tubular, and the ring texture that seals between described protecgulum and the bonnet comprises installation tube or the annular seal ring that is tightly connected with described protecgulum ring-type side plate and described bonnet ring-type side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120455 CN2862140Y (en) | 2005-12-09 | 2005-12-09 | Pressure regulating apparatus for container, van and cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120455 CN2862140Y (en) | 2005-12-09 | 2005-12-09 | Pressure regulating apparatus for container, van and cooling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2862140Y true CN2862140Y (en) | 2007-01-24 |
Family
ID=37659769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520120455 Expired - Lifetime CN2862140Y (en) | 2005-12-09 | 2005-12-09 | Pressure regulating apparatus for container, van and cooling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2862140Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100485570C (en) * | 2005-12-09 | 2009-05-06 | 中国国际海运集装箱(集团)股份有限公司 | Pressure-regulation device for container, box-type wagon and refrigrator |
| CN101280991B (en) * | 2007-04-05 | 2010-05-26 | 深圳清华大学研究院 | Device and method for automatically regulating refrigerated container body inside and outside air pressure balance |
| CN111086759A (en) * | 2019-12-20 | 2020-05-01 | 天津森罗科技股份有限公司 | Rigid airtight enclosure device with pressure regulating function |
-
2005
- 2005-12-09 CN CN 200520120455 patent/CN2862140Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100485570C (en) * | 2005-12-09 | 2009-05-06 | 中国国际海运集装箱(集团)股份有限公司 | Pressure-regulation device for container, box-type wagon and refrigrator |
| CN101280991B (en) * | 2007-04-05 | 2010-05-26 | 深圳清华大学研究院 | Device and method for automatically regulating refrigerated container body inside and outside air pressure balance |
| CN111086759A (en) * | 2019-12-20 | 2020-05-01 | 天津森罗科技股份有限公司 | Rigid airtight enclosure device with pressure regulating function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2862140Y (en) | Pressure regulating apparatus for container, van and cooling machine | |
| CN100485570C (en) | Pressure-regulation device for container, box-type wagon and refrigrator | |
| CN209979143U (en) | Airtightness testing device | |
| CN2872230Y (en) | Refrigerator with pressure adjuster | |
| CN1979067B (en) | Refrigerator with pressure regulation device | |
| CN102620025A (en) | Double-acting conversion unit for valve positioner | |
| CN208417577U (en) | A kind of knife gate valve | |
| CN114412752B (en) | Segmented vacuum working apparatus and method of using the same | |
| CN113921974B (en) | Adhesive tape adsorption mechanism and adhesive tape sticking device | |
| CN212370866U (en) | Rear cover machining system | |
| CN211277295U (en) | Pressure head suitable for lid pressure equipment behind oil blanket | |
| CN203641568U (en) | Microenvironment exhaust control device of semiconductor equipment | |
| CN219571023U (en) | Sealing valve and sealing structure | |
| CN220136595U (en) | Airtight detection tool | |
| CN213917907U (en) | Small platform adsorption mechanism | |
| CN221149981U (en) | Wafer lifting device | |
| CN217977385U (en) | Vacuum box single-stage valve | |
| CN103711937A (en) | Microenvironment exhaust control device of semiconductor device | |
| CN104353133B (en) | A kind of automatic voltage-regulating controller for negative pressure system | |
| CN216784978U (en) | Adsorption head device | |
| CN219452957U (en) | Mechanical diaphragm valve controller | |
| CN220084272U (en) | Shock-proof testing tool for sealing gasket | |
| CN211010038U (en) | Temperature-control exhaust integrated valve for vinegar fermentation | |
| CN217056523U (en) | Electric actuator for industrial valve | |
| CN201129454Y (en) | Gas sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090506 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |