CN101722066A - Box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure - Google Patents
Box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure Download PDFInfo
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- CN101722066A CN101722066A CN200910243679A CN200910243679A CN101722066A CN 101722066 A CN101722066 A CN 101722066A CN 200910243679 A CN200910243679 A CN 200910243679A CN 200910243679 A CN200910243679 A CN 200910243679A CN 101722066 A CN101722066 A CN 101722066A
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Abstract
The invention discloses a box body of a multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure, which consists of a shell, a liner, a left guide cylinder, a right guide cylinder, a left metal pore plate, a right metal pore plate, a gas inlet, a gas outlet, a general inlet of a heat exchange liquid, a general outlet of the heat exchange liquid, a temperature control sealing door and a door frame, wherein the liner is arranged on the middle part inside the box body; the left cylinder and the right guide cylinder are respectively positioned inside the left and the right of the box body; the left metal pore plate and the right metal pore plate are arranged between the left guide cylinder and the right guide cylinder; the gas inlet is connected with the left guide cylinder; the gas outlet is connected with the right guide cylinder; the general inlet of the heat exchange liquid and the general outlet of the heat exchange liquid are respectively connected with corresponding outlet and inlet on the liner; the temperature control sealing door is arranged in the centre in front of the box body and is tightly adhered to the door frame; the overall box body is enclosed by the shell; and a heat insulating material is filled between the shell and the liner. The experimental box body has the advantages of scientific design, novel structure and rationally designed diffusion structure so that a gas can diffuse into the overall space in the box body uniformly and quickly, which solves the problems that the conventional box body only aims at a single parameter, that the temperature and the humidity of a gas flow field are non-uniform, and that the heat insulation is not tight and the like; and therefore, the box body has wide application prospect.
Description
(1) technical field
The present invention relates to a kind of box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure.This casing can provide a kind of wide temperature, humidity, pressure limit, the temperature and humidity pressure integrated measurement verification environment of high evenness.
(2) background technology
Temperature and humidity pressure integrated measurement verification experimental box casing provides uniform temperature, the humidity environment under the certain pressure specially.This uniform temperature, humidity, pressure environment press the principle conversion to obtain by the saturated with moisture that preceding stage arrangement produces through two warm pair.A kind of parameter changes or different kinds of parameters changes simultaneously, is the conventional demand of temperature and humidity pressure calibrating experiment.Current Temperatures, humidity, pressure experiment box body are varied, but generally only at single parameter, and be quite rare at the experimental box casing of many reference amounts, and often ignore other parameters when wherein arbitrary parameter is examined and determine; Cabinet design has weak point usually: or gas diffusion structure is unreasonable or heat preserving mode is incorrect or seal approach is not thorough, causes index of correlation relatively poor even do not reach the measurement verification requirement at all.
As Fig. 4, consider that from heat-insulating property its inner bag housing 14 ' of a kind of traditional experiment box body is a rectangular structure, is close to inner bladder outer wall by serpentine coil 12 ' emphatically, heat exchanging liquid circulates temperature control in the serpentine coil 12 '.Inner bag is welded by 6 thick sheet metals, and adjacent metal sheets is orthogonal in twos.Inner bladder outer wall welding square tube is as reinforcement 11 '.Snakelike temperature control coil pipe is fixed between the reinforcement, and its effect is the temperature of control casing, reduces the temperature contrast of interior gas of casing and cabinet exterior, overcomes the influence of environment temperature to gas temperature in the casing.
Adopt this structure to have following defective:
1, welding too much influences body structure intensity, if be low-temperature pressure container, because the cold brittleness of metal is damaged casing easily under the low temperature artesian condition.
2, place, square tube place can't arrange heat exchange coil, and has taken bigger heat exchange area, is unfavorable for the casing temperature control.
3, snakelike temperature control coil pipe is the contact of line face with contacting of inner bladder outer wall, and contact area is little, is unfavorable for heat conduction.
4, snakelike temperature control coil pipe is in the nature the serial heat exchange structure, and when the inner bag quality was excessive, the liquid in pipe flow was little, and heat load is little, and the temperature control that reaches predetermined temperature is regulated overlong time, even causes spin manifold temperature uncontrollable.
As Fig. 1, consider from air-flow diffusion angle emphatically, have a kind of traditional experiment box body of gas input, output channel, mainly form by diffusion region 7 ', workspace 8 ', pooling zone 9 ' etc.Experimental gas enters from air inlet pipe 2 ', enters the workspace after the diffusion of diffusion region, after the pooling zone gas of flowing through compiles, is discharged by blast pipe 4 '.
Adopt the experimental box casing of this structure to have following defective:
1, adopt diffusion region, the pooling zone of bell mouth shape, when the sectional area of air inlet pipe and workspace had big difference, experimental gas was insufficient in the diffusion region diffusion, can't be dispersed evenly to the workspace, especially gas flow rate is lower, and during the presentation layer fluidised form, experimental gas only flows out with very little expanded-angle.
2, owing to diffusion region, pooling zone are not easy to processing, and this kind structural requirement casing is longer, is unfavorable for the bearing structure design of gas.
3, the integral linear of gas flows and is unfavorable for diffusion, and the workspace is near the existence dead band in a big way, space of cabinet wall.
As Fig. 9, the hermatic door of gas warm-pressing experiment box casing in the past has door-hinge 23 ', handle 27 ', observation window 24 ', watch window holder 25 ' and door lock 31 '.Doorframe 40 ' is installed on the tank wall 15 ', is welded with door-hinge holder 30 ', sealing ring 41 ' and door fixing hole 22 ' above.There is the heat-insulation layer insulation in the door wall outside, and door-hinge 23 ' cooperates with door lock 31 ', makes the sealing ring 41 ' on the extruding doorframe realize sealing.
There are the following problems to adopt the hermatic door of this kind structure:
1, door-hinge with screw the mode that knob cooperates bigger extruding force can not be provided, when especially the casing inside and outside differential pressure was excessive, the trend of gas permeation strengthened, easily near door-hinge one side build-up of pressure seepage.
2, there are temperature contrast in door and internal gas, and the quality of door is big, thermal capacitance is big, with long lasting effect internal gas temperature field.
3, when gas temperature in the casing and environment temperature difference are excessive, door causes the heat exchange of interior gas of casing and ambient atmos violent with the joint of doorframe easily, cause near the temperature field uniformity of chamber door relatively poor, and then the interior whole gas temperature field of casing is affected.
(3) summary of the invention
1, purpose:
The object of the present invention is to provide a kind of box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure, casing takes to be incubated cleverly strategy, make its influence that is subjected to ambient temperature hardly, simultaneously chamber door is taked strict seal approach, in order to avoid gas is excessive or infiltrate the breaking test environment; By appropriate design casing diffusion structure, make gas can be diffused into whole space in the casing rapidly, satisfy than the high evenness requirement, solve existing casing only at single parameter, problem such as the airflow field humiture is uneven with, insulation is not tight.
2, technical scheme:
A kind of box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure of the present invention, it is made up of shell, inner bag, left and right side guide shell, left and right side metal perforated plate, gas entry and exit, the total entry and exit of heat exchanging liquid, temperature control hermatic door and doorframe.Inner bag is arranged on middle part in the casing; The left and right side guide shell lays respectively at left and right sides in the casing; The left and right side metal perforated plate is placed between the left and right side guide shell, and left and right side metal perforated plate and left and right side guide shell are complementary; The gas access connects the left side guide shell, and gas vent connects the right side guide shell; Heat exchanging liquid general export, heat exchanging liquid main entrance are connected with corresponding gateway on the inner bag respectively; The temperature control hermatic door is arranged on positive middle part, casing the place ahead and is close to doorframe; Whole box body is contained encirclement by shell, fill insulant material between shell and the inner bag.The box house spatial division is three functional areas, sees Fig. 2, and the left side is the air-flow diffusion region, and the centre is the workspace, right-hand member air-flow pooling zone.
Described shell is the accurate boxlike hexahedron that is made of sheet metal.Consider that the casing quality is bigger, be provided with support at outer casing bottom.The right wall of shell is provided with binding post and links to each other with casing inner sensor and control signal wire, so that be gaseous state in instrument transmission control command or the monitoring casing.
Described inner bag is to be formed by the polylith cover plate that the inner bag core body connects 6 faces, sees Fig. 7.The inner bag core body is to connect flow guide bar, shunt conduit, bus dump and T shape reinforcement successively to form on the inner bag housing, sees Fig. 6; This flow guide bar is the narrow boxlike shape of growing; This shunt conduit is the folded plate type shape that has tank wall heat exchanging liquid inlet; This bus dump is identical with the shunt conduit structure, but plays shunting action, and the heat exchanging liquid outlet is set on it; This T shape reinforcement is the reinforcement structure of T font; The inner bag housing is to roll over twice fillet, one-tenth respectively by two thick sheet metals
The structure of shape connects twice one-tenth tubular, connects the two side again and forms, and sees Fig. 5; Cover plate is connected between inner bag core body upper shunt tube road, bus dump and the T shape reinforcement; The leaving certain gaps uncovered by the economic plan of T shape reinforcement preposition is shunted and bus dump to stride across, and is connected in one with shunting, bus dump; The contact-making surface on T shape reinforcement and inner bag surface is a strip, the effect of the flow guide bar of having held concurrently; Heat transfer space for sealing between inner bag core body and the cover plate.Overall space is divided into 6 the disconnected heat exchange of independence subspaces by wall, the subspace upper left quarter is the liquid input channel, middle is parallel heat exchanger channels, right lower quadrant is the liquid output channel, input, output port be close to symmetry about the center of total and guarantee liquid flow through each parallel heat exchanger channels the path about equally, in case there is the circulation dead band; The input port parallel connection of six faces is compiled in the main entrance of heat exchanging liquid, the output port parallel connection of six faces is compiled in the general export of heat exchanging liquid, the length of the input of six faces of choose reasonable, output port bore and pipeline in parallel, make the update time approximately equal of heat exchanging liquid in each face heat exchanger channels, thereby it is consistent to make that the inner bag bulk temperature is close to; And because heat exchanging liquid directly contacts with inner bag housing outer wall, flow guide bar in heat exchanger channels, contact is reliable, and thermal conductivity factor is big, and it is consistent with temperature in the casing to make the box liner temperature be easy within a short period of time.
Described left and right side guide shell is square peviform hardware, and the left side guide shell is positioned at the air-flow diffusion region, and the face of close casing left side wall is uncovered, has intensive air-vent with uncovered relative face.According to the relation between area and the flow rate, should make perforate face the difference approximately equal of porose area sum and shell left side wall area and perforate face area so that air-flow is mobile with even speed in casing.The right side guide shell is positioned at the air-flow pooling zone, and is symmetrical fully about the casing median plane with the left side guide shell on the structure.
Described left and right side metal perforated plate is the metallic plate that has intensive ventilative circular hole, and structure is identical.Because air-flow is bigger near inner bag shell inner surface place flow resistance, so the left and right side metal perforated plate need have the hole big than mid portion in edge, or has more intensive isometrical hole, so that air-flow keeps speed uniformity preferably in casing.
Described gas entry and exit are flange or the standard interface that is threaded.The gas access is welded as a whole in the diffusion region by air inlet pipe and left side guide shell, and gas vent is welded as a whole at pooling zone by blast pipe and right side guide shell.After gas entered the left side guide shell along air inlet pipe, velocity attitude flowed into casing through twice transformation, 90 degree; When gas flows out casing, be introduced into the right side guide shell, velocity attitude flows out along blast pipe behind twice transformation, 90 degree.
The total entry and exit of described heat exchanging liquid are the standard interfaces that link to each other with thermostat by flange or screw thread.The heat exchanging liquid main entrance, one is divided into six, provides heat exchanging liquid for six sides simultaneously; It is one that the heat exchanging liquid of six sides closes six at last, flows out through general export.
Described temperature control hermatic door is the time to make strict isolated chamber door inside and outside the casing examining and determine experiment, sees Fig. 9, Figure 10, Figure 11 and Figure 12.It comprises door main body and chamber door cover plate; The chamber door bridge welding is connected on the door main body.Observation window, observation window holder, door-hinge are arranged on the door main body.Jug on the chamber door cover plate, compress knob.This observation window is the circular glass structural member; This observation window holder is the circular metal structural member; This door-hinge is the cylindrical, metal structures part; This handle is the hardware of two ends band bending; This compresses the hexagonal formula hardware that knob is a center band screw rod.Door main body mills out groove or weld metal bar formation flow guide bar according to the shape of door, welds a chamber door cover plate then in the above, thereby forms sandwich passage.The parallel heat exchanger channels that heat exchanging liquid input, output channel is arranged in the sandwich passage and be separated to form, and the annular heat exchanger channels that is complementary with the observation window shape by groove or some flow guide bars.Wherein, input, output channel flow into, flow out pipeline through the chamber door heat exchanging liquid and directly communicate with hatch door place wall heat exchanging liquid, thereby circulate with the thermostat formation.Be the anti-circulation dead band that exists, need guarantee that the flow through path of each heat exchanger channels of heat exchanging liquid equates.The temperature control hermatic door is provided with three and compresses knob.
Described doorframe is fixedly temperature control hermatic door and the framework of cooperation realization sealing function with it.It is provided with sealing ring, door fixing hole, door-hinge holder and knob extruding seat.The sealing circle is an O type circulus; This fixing hole is a circular port; The square metal structure part that this door-hinge holder is four jiaos of band circular holes; This knob extruding seat is four jiaos of band circular holes, the square metal structure part that the center is with threaded hole.After the temperature control hermatic door was closed, three that screw on the door compressed knob, and the mode that screws with screw thread makes the sealing ring on the jam-packed doorframe, realized box sealing; The extruding force that the sealing means that this sealing means cooperates with knob than door-hinge provides is bigger, and sealing effectiveness is better.
The course of work is described:
Liquid flowing mode in the casing: after heat exchanging liquid entered shunt conduit, parallel flowing compiled and the trickle bus dump then in the heat exchanger channels between flow guide bar.Heat exchanging liquid circulates, and realizes heat exchange, temperature control to inner bag and chamber door.Heat exchanging liquid in the flow direction of wall interlayer and chamber door interlayer respectively as Fig. 8, shown in Figure 11.
Gas flow pattern in the casing: air-flow is divided into two strands in air inlet pipe enters left and right side guide shell in the casing, one flows forward, directly pass air-vent and enter the diffusion region, another thigh flows backward, at openend because tank wall stops around the flow direction that flowing and mix the edge part of back by orifice plate with the former towards the workspace direction enters the workspace.Gas sees through orifice plate and enters pooling zone and also be divided into two strands when discharging, one passes air-vent and enters the right side guide shell, and another thigh flows to tank wall always, enters the right side guide shell by the space of tank wall and right side guide shell, discharges along blast pipe.The flow schematic diagram of air-flow in casing as shown in Figure 3.
The working method of chamber door: during the work beginning, at first door is closed, tighten 3 then and compress knob, to reduce seepage as far as possible, earlier loosening 3 the big knobs of end-of-job are opened chamber door then.
In the course of the work, the binding post in cabin instrument in the cabin transmits control signal by experiment, detects temperature, humidity, the pressure state of gas in the casing.
3, advantage and effect:
1,2 foldings of gas velocity direction, 90 degree change traditional linear diffuses flow structure into speed and turn to diffusion structure, are more conducive to the gas diffusion.
2, the left and right side guide shell of band air-vent makes that gas splits into forward, both direction backward, and the gas of Liu Donging passes the air-vent outflow of left and right side guide shell forward; Backward the gas of Liu Donging run into tank wall to around flow, run into to change into towards the workspace after stopping and flow.This gas motion process makes that gas is easier to be dispersed in whole diffusion region, and the degree of scattering is subjected to, and gas flow rate changes, the influence on casing border is little, does not have the dead angle of gas diffusion.
3, the effect of left and right side metal perforated plate has two: one, plays the effect of filter grid, can break big turbulent flow nest; The 2nd, reduce the sectional area that air-flow is located at the place, air-flow increases through speed behind the air-vent, forms the multiply turbulent flow, speed reduces behind a segment distance, and integral body flows through the workspace with the laminar flow form, at the workspace end, accumulate the multiply turbulent flow again, flow through air-vent fast, enter pooling zone.
4, left and right side guide shell perforate face the difference approximately equal of porose area sum and a shell left side (or right) wall area and perforate face area, the left and right side metal perforated plate need have the hole big than mid portion in edge, or have more intensive isometrical hole, make air-flow in casing, keep speed uniformity preferably.
5, the shell of casing adopts the accurate box structure of band chamfering to help pressure-bearing.The inner bag housing adopts folded structure can reduce welding times, increases structural strength.T shape reinforcement replaces traditional square tube reinforcement, can reduce the contact area of reinforcement and inner bag housing, increases the contact area of heat exchanging liquid and inner bag housing simultaneously, helps the whole temperature control of inner bag.
6, heat exchanger channels directly contacts with inner bag housing outer wall, hermatic door, contact area is big, the heat transfer coefficient height, and the concurrency structural design of heat exchanger channels can greatly increase flow, the heat load of heat exchanging liquid, significantly improves the temperature control speed of inner bag.
7, the heat exchanging liquid circulation path approximately equal of each wall and temperature control hermatic door makes each heat exchange subspace keep flow velocity uniformity preferably, avoids occurring the heat exchange dead band.
8, the input port parallel connection of six faces is compiled in the main entrance of heat exchanging liquid, the output port parallel connection of six faces is compiled in the general export of heat exchanging liquid, the length of input, output port bore and pipeline in parallel by six faces of choose reasonable, make the update time approximately equal of heat exchanging liquid in each face heat exchanger channels, thereby it is consistent to make that the inner bag bulk temperature is close to, and further improves uniformity, the synchronism of interior temperature of casing and inner bag temperature.
9, the knob tightened-up structure makes door bigger with the extruding force of doorframe, in conjunction with tightr, can guarantee that gas remains strict sealing state in the casing in the wide pressure change procedure.
10, the heat exchanging liquid of hermatic door sandwich passage is connected with the wall heat exchanging liquid by flexible pipe, than simpler by rotary joint structure, and has better sealing effectiveness.
(4) description of drawings
Fig. 1 traditional experiment box body flow field structural representation
Fig. 2 experimental box box house of the present invention flow field structure schematic diagram
Fig. 3 gas diffuse flow field of the present invention general illustration
Fig. 4 traditional experiment box body housing insulation construction schematic diagram
Fig. 5 experimental box box liner of the present invention housing schematic diagram
Fig. 6 experimental box box liner of the present invention core body schematic diagram
Fig. 7 experimental box box liner of the present invention schematic diagram
Fig. 8 experimental box casing of the present invention wall interlayer heat exchanging liquid flows to schematic diagram
Fig. 9 traditional experiment box body hermatic door schematic diagram
Figure 10 chamber door temperature-control structure of the present invention schematic diagram
Figure 11 chamber door interlayer of the present invention heat exchanging liquid flow schematic diagram
Figure 12 doorframe schematic diagram of the present invention
Figure 13 experimental box casing of the present invention overall schematic
Be the label declaration of Fig. 1-13 below:
1 ,-shell 2,2 '-air inlet pipe
3,3 '-left and right side guide shell 4,4 '-blast pipe
The right metal perforated plate of 5-left side metal perforated plate 6-
7,7 '-diffusion region 8,8 '-workspace
9,9 '-pooling zone 10-inner bag
11-T type reinforcement 11 '-square tube reinforcement
12-shunt conduit 12 '-coil pipe
13,13 '-case mouth 14,14 '-box liner housing
15-tank wall heat exchanging liquid inlet 15 '-tank wall
16-tank wall heat exchanging liquid outlet 17-bus dump
18-box liner core body 19-flow guide bar
20-tank wall cover plate 21,21 '-door-hinge holder
22,22 '-Men fixing hole 23,23 '-door-hinge
24,24 '-observation window 25,25 '-observation window holder
26-door main body 27-handle
28-compresses knob 29-chamber door heat exchanging liquid flow ipe
30,30 '-door-hinge holder 31-knob extruding seat
33-gas access, 32-heat exchanging liquid main entrance
34-support 35-binding post
36-heat exchanging liquid general export 37-gas vent
38-chamber door cover plate 39-chamber door heat exchanging liquid flows out pipeline
40,40 '-doorframe 41,41 '-sealing ring
42-temperature control hermatic door
(5) specific embodiment:
See Figure 13, Fig. 6, Fig. 7, Fig. 2, Fig. 1, a kind of box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure of the present invention, it is by shell 1, inner bag 10, left and right side guide shell 3,3 ', left and right side metal perforated plate 5,6, gas vent 37, gas access 33, heat exchanging liquid general export 36, heat exchanging liquid main entrance 32, temperature control hermatic door 42 and doorframe 40,40 ' are formed.Inner bag 10 is arranged on middle part in the casing, left and right side guide shell 3,3 ', lay respectively at about casing inboardly, left and right side metal perforated plate 5,6 is placed between the left and right side guide shell 3,3 ', and left and right side metal perforated plate 5,6 is complementary with left and right side guide shell 3,3 ' respectively.Gas access 33 connects guide shells 3, and gas vent 37 connects right side guide shells 3 ', and heat exchanging liquid general export 36, heat exchanging liquid main entrance 32 are connected with corresponding gateway on the inner bag 10 respectively, and temperature control hermatic door 42 is arranged on positive middle part, shell 1 the place ahead; Whole box body is contained encirclement by shell 1, fill insulant material between shell 1 and the inner bag 10.The box house spatial division is 3 functional areas, and the left side is air-flow diffusion region 7, and the centre is workspace 8, right-hand member air-flow pooling zone 9.
See Fig. 2, Figure 13, described shell 1 is the accurate boxlike hexahedron that is made of sheet metal.Consider that the casing quality is bigger, at shell 1 bottom mounting bracket 34; Shell 1 right wall is provided with binding post 35 and links to each other with casing inner sensor and control signal wire, so that be gaseous state in instrument transmission control command or the monitoring casing.
Described inner bag 10 is seen Fig. 7, is to be formed by the polylith cover plate 20 that inner bag core body 18 welds 6 faces.Inner bag core body 18 is seen Fig. 6, is to weld flow guide bar 19, shunt conduit 12, bus dump 17 and T shape reinforcement 11 successively to form on inner bag housing 14.Inner bag housing 14 is seen Fig. 5, is to roll over twice fillet, one-tenth respectively by two thick sheet metals
The structure of shape is welded twice one-tenth tubular, welds the two side again and forms.This kind inner bag housing 14 structure decrease welding times, and the band chamfering structure help pressure-bearing.Cover plate 20 is welded between inner bag core body 18 upper shunt tube roads 12, bus dump 17 and the T shape reinforcement 11.The 11 certain location leaving certain gaps uncovered by the economic plans of T shape reinforcement striding across shunt conduit 12 and bus dump 17, and are one with both welderings.T shape reinforcement 11 is a strip with the contact-making surface on inner bag 10 surfaces, the effect of the flow guide bar of having held concurrently.Heat transfer space for sealing between inner bag core body 18 and the cover plate 20.Overall space is divided into 6 the disconnected heat exchange of independence subspaces by wall.Near 12 accurate ribs of inner bag core body 18, welding shunt conduit 12 or bus dump 17, tank wall heat exchanging liquid inlet 15, tank wall heat exchanging liquid outlet 16 are connected with shunt conduit 12, bus dump 17 respectively.And make tank wall heat exchanging liquid inlet 15, the outlet 16 of tank wall heat exchanging liquid be close to symmetry about the centers of its place wall as far as possible and guarantee liquid flow through each parallel heat exchanger channels the path about equally, in case there is the circulation dead band.The heat exchanging liquid of six faces heat exchanging liquid that 15 parallel connections are compiled in 32, six faces in main entrance of heat exchanging liquid that enters the mouth exports the general export 36 that 16 parallel connections are compiled in heat exchanging liquid.The heat exchanging liquid entry and exit bore of six faces of choose reasonable and the length of pipeline in parallel make the update time approximately equal of heat exchanging liquid in each face heat exchanger channels, thereby it is consistent to make that inner bag 10 bulk temperatures are close to.Further improve temperature uniformity, synchronism in inner bag 10 temperature and the casing.Fig. 8 flows to schematic diagram for experimental box casing wall interlayer heat exchanging liquid.
Figure 13 is seen in described heat exchanging liquid general export 32, main entrance 36, is the standard interface that links to each other with thermostat by flange or screw thread.Heat exchanging liquid is divided into six and enters shunt conduit 12 by liquid input tube road 15 through heat exchanging liquid main entrance 36 1, parallelly in the heat exchanger channels of 19 of flow guide bars then flow and come together in bus dump 17, closing six via liquid output pipe road 16 at last is one to flow out from heat exchanging liquid general export 32.Heat exchanging liquid circulates, and realizes heat exchange and temperature control to inner bag.
Described left and right side guide shell 3,3 ' is seen Fig. 2, Fig. 3, is square peviform hardware, and left side guide shell 3 is positioned at air-flow diffusion region 7, and the face of close casing left side wall is uncovered, has intensive air-vent with uncovered relative face.According to the relation between area and the flow rate, should make perforate face porose area sum and the difference approximately equal of shell 1 left wall area and perforate face area so that air-flow flows with even speed in casing.Right side guide shell 3 ' is positioned at air-flow pooling zone 9, and is symmetrical fully about the casing median plane with left side guide shell 3 on the structure.
Described left and right side metal perforated plate 5,6 is seen Fig. 2, Fig. 3, and for having the metallic plate of intensive ventilative circular hole, left and right side metal perforated plate 5,6 structures are identical.Because air-flow is bigger near inner bag housing 14 inner surface place flow resistances, so left and right side metal perforated plate 5,6 need have the hole big than mid portion in edge, or have same apertures but more intensive hole, so that air-flow keeps speed uniformity preferably in casing.
Described gas vent 37, inlet 33 are seen Figure 13, are flange or the standard interface that is threaded.7 welderings are one in the diffusion region with left side guide shell 3 by air inlet pipe 2 in gas access 33, and gas vent 37 is one by blast pipe 2 ' and right side guide shell 3 ' in pooling zone 9 welderings.After gas entered left side guide shell 3 along air inlet pipe 2, velocity attitude flowed into casing workspace 8 through twice transformation, 90 degree; When gas flows out casing, be introduced into right side guide shell 3 ', velocity attitude flows out along blast pipe 2 ' behind twice transformation, 90 degree.
Figure 13 is seen in described heat exchanging liquid general export 32, main entrance 36, is the standard interface that links to each other with thermostat by flange or screw thread.Heat exchanging liquid is divided into six and enters shunt conduit 12 by tank wall heat exchanging liquid inlet 15 through heat exchanging liquid main entrance 36 1, parallelly in the heat exchanger channels of 19 of flow guide bars then flow and come together in bus dump 17, closing six via tank wall heat exchanging liquid outlet 16 at last is one to flow out from heat exchanging liquid general export 32.Heat exchanging liquid circulates, and realizes heat exchange and temperature control to inner bag.
Described temperature control hermatic door 42, see Fig. 9, Figure 10, Figure 11, be the time to make strict isolated chamber door inside and outside the casing examining and determine experiment, comprise door main body 26 and chamber door cover plate 38, jug 27 on the chamber door cover plate, compress knob 28, observation window 24, observation window holder 25, door-hinge 23 are arranged on the door main body 26.Door main body 26 mills out groove or weld metal bar formation flow guide bar 19 according to the shape of door, welding chamber door cover plate 38 on the door main body 26.Be parallel liquid cycle heat exchange passage between door main body 26 and the chamber door cover plate 38.Establishing the annular heat exchanger channels of a circle near observation window holder 25 places, making observation window 24 and observation window holder 25 places place fluid flow big, the temperature control ability is enhanced.Have the dead band for anti-, need guarantee heat exchanging liquid flow through each heat exchanger channels the path about equally.Tank wall heat exchanging liquid inlet 15, the outlet 16 of tank wall heat exchanging liquid are flowed out pipeline 39 through chamber door heat exchanging liquid flow ipe 29, chamber door heat exchanging liquid and are directly communicated with chamber door place wall heat exchanging liquid, and this frame mode simply and have a better sealing property.In temperature control hermatic door 42 interlayers flow direction of heat exchanging liquid as shown in figure 11, this parallel heat exchange structure can make the heat exchanging liquid flow bigger, improves temperature control speed and temperature control stability.
Described doorframe 40 is seen Figure 12, is fixedly temperature control hermatic door 42 and the framework of cooperation realization sealing function with it.Sealing ring 41, door fixing hole 22, door-hinge holder 30 and knob extruding seat 31 are arranged on it.After temperature control hermatic door 42 was closed, three that screw on the door compressed knob 28, make the sealing ring 41 on the jam-packed doorframe, realized box sealing.The extruding force that the sealing means that this sealing means cooperates with knob than door-hinge provides is bigger, and sealing effectiveness is better.
Claims (4)
1. box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure, it is characterized in that: it is by shell, inner bag, the left and right side guide shell, the left and right side metal perforated plate, the gas entry and exit, the total entry and exit of heat exchanging liquid, temperature control hermatic door and doorframe are formed; Inner bag is arranged on middle part in the casing; The left and right side guide shell lays respectively at about casing inboard; The left and right side metal perforated plate is placed between the left and right side guide shell, and left and right side metal perforated plate and left and right side guide shell are complementary; The gas access connects the left side guide shell, and gas vent connects the right side guide shell; Heat exchanging liquid general export, heat exchanging liquid main entrance are connected with corresponding gateway on the inner bag respectively; The temperature control hermatic door is arranged on positive middle part, casing the place ahead and is close to doorframe, and whole box body is contained encirclement by shell, fill insulant material between shell and the inner bag;
Described shell is the accurate boxlike hexahedron that is made of sheet metal, is provided with support at outer casing bottom, and the right wall of shell is provided with binding post, links to each other with casing inner sensor and control signal wire;
Described inner bag is that the cover plate by inner bag core body and 6 faces connects to form; The inner bag core body is to connect flow guide bar, shunt conduit, bus dump and T shape reinforcement successively to form on the inner bag housing; This flow guide bar is the narrow boxlike shape of growing; This shunt conduit is the folded plate type shape that has tank wall heat exchanging liquid inlet; This bus dump is identical with the shunt conduit structure, and the heat exchanging liquid outlet is set on it; This T shape reinforcement is the reinforcement structural member of T font; The inner bag housing is to roll over twice fillet, one-tenth respectively by two thick sheet metals
The structure of shape connects twice one-tenth tubular, connects the two side again and forms; Cover plate is connected between inner bag core body upper shunt tube road, bus dump and the T shape reinforcement; The precalculated position leaving certain gaps uncovered by the economic plan of T shape reinforcement is shunted and bus dump to stride across, and is connected in one with shunting, bus dump; Heat transfer space for sealing between inner bag core body and the cover plate; Overall space is divided into 6 the disconnected heat exchange of independence subspaces by wall, the subspace upper left quarter is the liquid input channel, middle is parallel heat exchanger channels, right lower quadrant is the liquid output channel, the input port parallel connection of six faces is compiled in the main entrance of heat exchanging liquid, and the output port parallel connection of six faces is compiled in the general export of heat exchanging liquid;
Described left and right side guide shell is square peviform hardware, and the left side guide shell is positioned at the air-flow diffusion region, and the face of close casing left side wall is uncovered, has intensive air-vent with uncovered relative face; The right side guide shell is positioned at the air-flow pooling zone, on the structure with the left side guide shell about casing median plane symmetry;
Described left and right side metal perforated plate is the metallic plate that has intensive ventilative circular hole, and structure is identical;
Described gas entry and exit are the standard interface that flange connects; The gas access connects as one in the diffusion region by air inlet pipe and left side guide shell, and gas vent connects as one at pooling zone by blast pipe and right side guide shell; After gas entered the left side guide shell along air inlet pipe, velocity attitude flowed into casing through twice transformation, 90 degree; When gas flows out casing, be introduced into the right side guide shell, velocity attitude flows out along blast pipe behind twice transformation, 90 degree;
The total entry and exit of described heat exchanging liquid are the standard interfaces that link to each other with thermostat by flange; The heat exchanging liquid main entrance, one is divided into six, provides heat exchanging liquid for six sides simultaneously; It is one that the heat exchanging liquid of six sides closes six at last, flows out through general export;
Described temperature control hermatic door is the time to make strict isolated chamber door inside and outside the casing examining and determine experiment, and it comprises door main body and chamber door cover plate; The chamber door cover plate is connected on the door main body; Observation window, observation window holder, door-hinge are arranged on the door main body; Jug on the chamber door cover plate, compress knob; This observation window is the circular glass structural member; This observation window holder is the circular metal structural member; This door-hinge is the cylindrical, metal structures part; This handle is the hardware of two ends band bending; This compresses the hexagonal formula hardware that knob is a center band screw rod; Door main body mills out groove formation flow guide bar according to the shape of door, connects a chamber door cover plate then in the above, thereby forms sandwich passage; The temperature control hermatic door is provided with three and compresses knob;
Described doorframe is fixedly temperature control hermatic door and the framework of cooperation realization sealing function with it; It is provided with sealing ring, door fixing hole, door-hinge holder and knob extruding seat; The sealing circle is an O type circulus; This fixing hole is a circular port; The square metal structure part that this door-hinge holder is four jiaos of band circular holes; This knob extruding seat is four jiaos of band circular holes, the square metal structure part that the center is with threaded hole; After the temperature control hermatic door was closed, three that screw on the door compressed knob, make the sealing ring on the jam-packed doorframe, realized box sealing.
2. a kind of box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure according to claim 1 is characterized in that: these gas entry and exit are the standard interface that is threaded.
3. a kind of box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure according to claim 1 is characterized in that: the total entry and exit of this heat exchanging liquid are the standard interfaces that link to each other with thermostat by screw thread.
4. a kind of box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure according to claim 1 is characterized in that: this door main body connects bonding jumper formation flow guide bar according to the shape of door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102436796A CN101722066B (en) | 2009-12-22 | 2009-12-22 | Box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102436796A CN101722066B (en) | 2009-12-22 | 2009-12-22 | Box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure |
Publications (2)
| Publication Number | Publication Date |
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| CN101722066A true CN101722066A (en) | 2010-06-09 |
| CN101722066B CN101722066B (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102436796A Expired - Fee Related CN101722066B (en) | 2009-12-22 | 2009-12-22 | Box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure |
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| Country | Link |
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| CN (1) | CN101722066B (en) |
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| CN104656718A (en) * | 2014-12-30 | 2015-05-27 | 无锡波汇光电科技有限公司 | Method for testing environmental adaptability of optical fiber sensing system |
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| CN113702417A (en) * | 2021-08-31 | 2021-11-26 | 东莞市越铧电子科技有限公司 | Ultrahigh-uniformity natural ventilation aging test box |
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| CN101362109B (en) * | 2008-09-27 | 2010-12-22 | 北京航空航天大学 | Temperature-control sealed door of warm-pressing experiment box |
| CN101514842B (en) * | 2009-03-03 | 2011-06-01 | 西安交通大学 | Air heating device for liquid in visual pipeline |
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| CN103308103B (en) * | 2013-06-06 | 2015-08-26 | 江苏大学 | Low-pressure gas flow dynamics measuring method and system thereof under a kind of wide temperature state |
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| CN113702417A (en) * | 2021-08-31 | 2021-11-26 | 东莞市越铧电子科技有限公司 | Ultrahigh-uniformity natural ventilation aging test box |
| CN113702417B (en) * | 2021-08-31 | 2023-12-12 | 东莞市越铧电子科技有限公司 | Ultra-high uniformity natural ventilation aging test box |
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| CN101722066B (en) | 2011-11-09 |
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