CN110211461B - Transparent pressure-temperature relation tester - Google Patents
Transparent pressure-temperature relation tester Download PDFInfo
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- CN110211461B CN110211461B CN201910403717.3A CN201910403717A CN110211461B CN 110211461 B CN110211461 B CN 110211461B CN 201910403717 A CN201910403717 A CN 201910403717A CN 110211461 B CN110211461 B CN 110211461B
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- 238000007789 sealing Methods 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 94
- 238000003860 storage Methods 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 14
- 239000000428 dust Substances 0.000 description 8
- 230000005672 electromagnetic field Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000576 supplementary effect Effects 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
Abstract
The invention relates to a transparent pressure-temperature relation tester, which comprises a container, wherein the container comprises a bottom plate and a transparent cover, the lower end of the transparent cover is provided with an annular sealing plate extending along the circumferential direction of the transparent cover, the annular sealing plate radially outwards exceeds the transparent cover to form an outer supporting ring and radially inwards exceeds the transparent cover to form an inner supporting ring, the bottom plate is provided with an annular sealing ring, the transparent cover presses the outer supporting ring on the annular sealing ring under the action of the internal and external pressure difference of the transparent cover and is connected with the bottom plate in a sealing manner, the inner ring of the transparent cover is provided with an inner plate supported on the inner supporting ring through the annular sealing ring, and the transparent cover presses the inner plate on the annular sealing ring and is connected with the inner plate in a sealing manner under the action of the internal and external pressure difference of the transparent cover. The invention has the advantage of sealing by utilizing the pressure difference in the experiment and solves the problem of sealing the container of the existing pressure-temperature relation tester.
Description
Technical Field
The invention relates to experimental experience equipment, in particular to a transparent pressure-temperature relation tester.
Background
For a working medium, the pressure and the temperature of the working medium are in one-to-one correspondence in a saturation state, and the saturation pressure changes, and the saturation temperature changes along with the change of the saturation pressure; the saturation pressure also changes with the change in saturation temperature. Water has a corresponding saturation temperature of 100 c at one standard atmosphere. When the temperature of the water is higher than 100 ℃, the saturation pressure of the water is inevitably greater than the standard atmospheric pressure; the temperature of the water is below 100 c, and its saturation pressure also necessarily requires standard atmospheric pressure. Each temperature value corresponds to a unique pressure value, which is the characteristic of any working medium in a saturated state. In order to enable people to visually connect the one-to-one correspondence relationship between the pressure and the temperature of the working medium in the saturated state, the Chinese patent with the patent number of 2013208926254 is designed, so that students can measure different pressure and temperature values of water or other working media in the saturated state through operation, directly observe the state of the working medium, and solve the problem in teaching. The device has the following defects: in the positive pressure operation, if the pressure is too high due to improper operation, the potential safety hazard that people are hurt by burst containers exists; the bottom wall of the container is provided with a pit for storing water, so that the problem of incomplete water drainage can be caused; the container is inconvenient for operation for the integral state, and the container is sealed by clamping the nut, so that the sealing is inconvenient.
Disclosure of Invention
The first object of the present invention is to provide a transparent pressure-temperature relationship tester capable of sealing by using the pressure difference during the experiment, which solves the problem of sealing the container of the existing pressure-temperature relationship tester.
The second purpose of the invention is to further provide a transparent pressure-temperature relationship tester with good safety, which solves the problem of poor safety caused by the fact that people are easily injured when the existing pressure-temperature relationship tester is over-pressurized and burst.
A third object of the present invention is to provide a transparent pressure-temperature relationship tester which is convenient for discharging water, and solves the problem that the container of the conventional pressure-temperature relationship tester is easy to be detained when discharging water.
The fourth purpose of the invention is to provide a transparent pressure-temperature relationship tester with high heat utilization rate when heating a water storage device, so as to improve the heating efficiency of a heater.
The technical problem is solved by the following technical scheme: a transparent pressure-temperature relation tester comprises a container, a water receiver positioned in the container, a heater for heating the water receiver, a first thermometer for measuring the temperature of water in the water receiver, a second thermometer for measuring the temperature in the container and a pressure gauge for measuring the pressure in the container, wherein the container is provided with an air inlet, an air outlet and a pressure release valve, the transparent cover is characterized in that the container comprises a bottom plate and a transparent cover, the lower end of the transparent cover is provided with an annular sealing plate extending along the circumferential direction of the transparent cover, the annular sealing plate radially outwards exceeds the transparent cover to form an outer supporting ring and radially inwards exceeds the transparent cover to form an inner supporting ring, the bottom plate is provided with an annular sealing ring, and the transparent cover presses the outer supporting ring on the annular sealing ring to be connected with the bottom plate in a sealing way only under the action of the pressure difference between the inside and the outside of the transparent cover, the inner ring of the transparent cover is provided with an inner plate which is supported on the inner supporting ring through an annular sealing gasket, and the transparent cover presses the inner plate on the annular sealing gasket only under the action of the pressure difference between the inside and the outside of the transparent cover so as to be connected with the inner plate in a sealing way. This technical scheme, go up and down the container for by translucent cover, bottom plate and inner panel constitute, can both utilize the inside and outside pressure differential of container to make the container keep sealed when carrying out malleation or negative pressure moreover to convenience when having improved the container and sealed. The transparent cover can make the working substance inside the container (convenient when the state of water changes)
Preferably, the strength of the top wall of the transparent cover is higher than that of the side wall, the side wall of the transparent cover is provided with a plurality of weak parts which are distributed along the height direction of the transparent cover and extend axially and guide the transparent cover to split when the pressure in the transparent cover is increased to cause the transparent cover to break, and the weak parts are in a groove structure. The transparent cover is designed to have the strength that the top wall is higher than the strength of the side wall, the pressure is high, the breakage can be generated on the side wall when the breakage is generated, the fragile part is further designed on the side wall, the breakage is generated on the fragile part when the transparent cover is broken, the fragile part is designed into a groove structure extending along the vertical direction, the breakage is generated, the transparent cover is broken to be a vertical bar, random bursting cannot be generated, and flying blocks are formed, so that the safety in use is improved. The second object of the invention is achieved.
Preferably, the fragile portion is provided on an inner surface of the transparent cover. The groove constituting the fragile portion can be made deeper while keeping the strength of the fragile portion constant, and the deeper groove can more reliably ensure that the transparent cover is broken into a bar-shaped piece.
Preferably, an upper hoop is arranged at the upper end of the outer surface of the transparent cover, a lower hoop is arranged at the lower end of the outer surface of the transparent cover, the upper end of the fragile portion extends into a space surrounded by the upper hoop, and the lower end of the fragile portion extends into a space surrounded by the lower hoop. After the transparent cover is cracked into the vertical strip-shaped block, the strip-shaped block is likely to be cracked continuously, and when the crack is generated in the middle of the strip-shaped block, the strip-shaped block cannot be ejected away due to the fact that the strip-shaped block is still connected with the top wall or the lower plate; when the fracture is produced at the end plate, the hoop can restrict the strip-shaped block from popping out, and the safety in use is further improved.
Preferably, the water storage device and the container are in a separated state, the container is provided with an operation hole, and a hole cover is detachably and hermetically connected to the operation hole. When in use, the water storage device is taken out from the operation hole, so that the water in the water storage device can be poured out and the added water can be conveniently added into the container. The third object of the invention is achieved.
Preferably, the operation hole is provided with an inner sealing ring and an outer sealing ring, and the hole cover can enter and exit the container through the operation hole; when positive pressure is formed in the transparent cover, the hole cover is pressed on the inner sealing ring through the pressure difference between the inside and the outside of the transparent cover and is connected with the transparent cover in a sealing mode to seal the operation hole; when negative pressure is formed in the transparent cover, the hole cover is pressed on the outer sealing ring through the pressure difference between the inside and the outside of the transparent cover and is connected with the transparent cover in a sealing mode to seal the operation hole. The pressure difference in the container is utilized to connect the hole cover on the operation hole in a sealing way. And the sealing can be realized by utilizing the pressure difference under the positive pressure and the negative pressure.
Preferably, a supporting ring extending along the circumferential direction of the working hole is arranged in the working hole, an inner supporting step is formed between the part, located on the inner side of the supporting ring, of the hole wall of the working hole and the supporting ring, the inner sealing ring is located on the inner supporting step, an outer supporting step is formed between the part, located on the outer side of the supporting ring, of the hole wall of the working hole and the supporting ring, and the outer sealing ring is located on the outer supporting step. The convenience when carrying out the operation is good.
Preferably, the inner sealing ring and the outer sealing ring are connected together through an anti-collision ring. The inner and outer sealing rings can be conveniently kept in the operation hole, and the operation hole and the hole cover can be prevented from being damaged when the hole cover enters and exits
Preferably, a handle is arranged on the outer side surface of the hole cover.
Preferably, the bottom plate is further provided with an annular groove, and the annular sealing ring is located in the annular groove. The displacement is not easy to occur, but dust is easy to accumulate after the groove is designed.
Preferably, the lower end of the transparent cover is further sleeved with a dustproof sleeve extending along the circumferential direction of the transparent cover, the upper end of the dustproof sleeve is connected with the transparent cover, and the lower end of the dustproof sleeve abuts against the bottom plate so as to be covered on the annular groove. Dust accumulation in the annular groove can be prevented.
Preferably, the dust cover is of a resilient construction. The position precision requirement between the dust cover and the annular sealing plate can be reduced, and the convenience in manufacturing is improved.
Preferably, the dust cover is of a sucker structure and is adsorbed on the bottom plate. Dustproof effectual, the dust cover can also play the supplementary effect of fixing translucent cover and bottom plate.
Preferably, the pressure gauge, the second thermometer, the air inlet and outlet and the pressure relief valve are all arranged on the inner plate, and the air inlet and outlet and the pressure relief valve penetrate out through the bottom plate. The convenience during operation is good.
Preferably, the heater is an induction cooker, the water receiver is made of insulating heat-insulating materials, a conductive plate is arranged in the water receiver, the conductive plate divides the water storage container into an upper water storage cavity and a lower water storage cavity, convection holes communicated with the upper water storage cavity and the lower water storage cavity are formed in the conductive plate, the water receiver is placed on the heater, and an electromagnetic field generated by the induction cooker acts on the conductive plate to enable the conductive plate to generate heat. The utilization rate of the heat generated by the heater can be improved, and the heat dissipated is reduced.
Preferably, the container is further internally provided with a first thermometer mounting frame, the first thermometer mounting frame comprises a vertical rod and a cross rod, one end of the cross rod is hinged to the upper end of the vertical rod, the first thermometer is fixed on the cross rod, the vertical rod is provided with a limiting and supporting part, when the cross rod is supported on the limiting and supporting part, the cross rod stops rotating downwards, and the induction head of the first thermometer is inserted into water in the water storage device. The thermometer is arranged in the movable water storage device to test the temperature.
As preferred, the heater is the electromagnetism stove, the water receiver forms for insulating heat insulating material preparation, be equipped with the current conducting plate in the water receiver, the current conducting plate is split into water storage container and is gone up water storage chamber and lower water storage chamber, be equipped with the convection hole that water storage chamber and lower water storage chamber were gone up in the intercommunication on the current conducting plate, the water receiver is shelved during the heater, the electromagnetic field that the electromagnetism stove produced acts on the current conducting plate makes the current conducting plate generates heat, be equipped with two location breachs on the water receiver, be equipped with two gag levers on the horizontal pole, work as two gag levers wear to establish one-to-one in two location notches, the current conducting plate is whole to be located in the electromagnetism field that the electromagnetism stove produced, be equipped with the operation hole on the. It is possible to easily know whether the water reservoir is in the optimum position when heated. If the heat conducting plate is only partially located in the magnetic field, the heating efficiency and effect are poor.
Preferably, one of the two positioning notches is positioned on the outer surface of the water storage device, the other one of the two positioning notches is positioned on the inner surface of the water storage device, and the transverse rod drives the limiting rod to enter and exit the positioning notches when rotating through a hinge point of the transverse rod and the vertical rod. Can insert the gag lever post in the locating notch when stretching into the water receiver with the thermometer in step.
Preferably, the positioning notch is defined by two stoppers arranged oppositely, and the surface of the wall of the stopper forming the limiting notch is provided with a guide surface which guides the limiting rod to drive the water storage device to rotate when the positioning notch and the limiting rod are staggered along the circumferential direction of the water storage device, so that the limiting rod slides into the positioning notch. The circumferential position of the water storage cavity can be adjusted to the best in the inserting process of the limiting rod.
Preferably, a first magnet is arranged on the limiting rod, and a second magnet which is matched with the first magnet to drive the limiting rod and the positioning notch to abut together along the radial direction of the water storage device is arranged on the water storage device. The water storage cavity can be conveniently adjusted to the optimal position and then heated on the induction cooker.
The invention has the following advantages: the container is convenient to seal; the safety is good; the heat conducting water is convenient to take out and conduct to the water storage device; the heat utilization rate is high during heating.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of a transparent cover;
FIG. 3 is a schematic top view of the water reservoir.
FIG. 4 is an enlarged schematic view of the reservoir and heater.
In the figure: the container 1, a water storage device 2, a heater 3, a first thermometer 4, a pressure gauge 6, an air inlet and outlet 7, a pressure release valve 8, a bottom plate 9, a transparent cover 10, a supporting leg 11, an annular groove 12, an annular sealing ring 13, an annular sealing plate 14, an outer supporting ring 15, an inner supporting ring 16, a dustproof sleeve 17, an annular sealing gasket 18, an inner plate 19, a working hole 20, a hole cover 21, a supporting ring 22, an inner sealing ring 23, an outer sealing ring 24, an anti-collision ring 25, a handle 5, a top wall 26, a side wall 27, a fragile part 28, an upper hoop 29, a lower hoop 30, a conductive plate 31, an upper water storage cavity 32, a lower water storage cavity 33, a convection hole 34, a vertical rod 35, a shaft pin 36, a cross rod 37, a limiting supporting part 38, a positioning notch 39, a limiting rod 47, a stop block 41, a surface 42 of a wall of which forms a limiting notch.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1, 2, 3 and 4, a transparent type pressure-temperature relationship tester includes a container 1, a water reservoir 2 located in the container, a heater 3 heating the water reservoir, a first thermometer 4 measuring the temperature of water in the water reservoir, a second thermometer 46 measuring the temperature inside the container, and a pressure gauge 6 measuring the pressure inside the container. The container is provided with an inlet and outlet port 7 and a pressure relief valve 8. The container comprises a bottom plate 9 and a transparent cover 10. The bottom plate is provided with supporting legs 11. The bottom plate is also provided with an annular groove 12. An annular sealing ring 13 is arranged in the annular groove. The lower end of the transparent cover is provided with an annular sealing plate 14 extending circumferentially of the transparent cover. The annular sealing plate extends radially outwardly beyond the transparent cover to form an outer support ring 15 and radially inwardly beyond the transparent cover to form an inner support ring 16. The annular sealing plate is arranged in the annular groove in a penetrating mode and pressed on the annular sealing plate. The lower end of the transparent cover is also sleeved with a dustproof sleeve 17 extending along the circumferential direction of the transparent cover. The upper end of the dustproof sleeve is connected with the transparent cover, and the lower end of the dustproof sleeve is abutted against the bottom plate so as to be covered on the annular groove. The dust cover is of an elastic structure. The dust cover is of a sucker structure and is adsorbed on the bottom plate. When the container is vacuumized to form negative pressure, the transparent cover presses the outer supporting ring on the annular sealing ring under the action of the pressure difference between the inside and the outside of the transparent cover to be connected with the bottom plate in a sealing way. The inner ring of the transparent cover is provided with an inner plate 19 supported on the inner support ring by an annular gasket 18. When a positive pressure test is carried out to observe the relationship between the temperature and the vapor pressure, the inner plate is pressed on the annular sealing gasket by the transparent cover under the action of the pressure difference between the inside and the outside of the transparent cover, and the inner plate are connected together in a sealing mode. The container is provided with a working hole 20. A hole cover 21 is detachably and hermetically connected to the operation hole. The hole cover can enter and exit the container through the operation hole, specifically, the operation hole is a strip-shaped hole, the width direction of the hole cover is parallel to the length direction of the operation hole when the hole cover enters and exits the operation, and then the hole cover is in a flat state to enter and exit;
the connection structure of the hole cover and the operation hole has the following relation: a support ring 22 is provided in the working bore and extends circumferentially of the working bore. An inner supporting step is formed between the part of the hole wall of the operation hole, which is positioned at the inner side of the supporting circular ring, and the supporting circular ring. An inner sealing ring 23 is arranged on the inner supporting step. An outer supporting step is formed between the part of the hole wall of the operation hole, which is positioned at the outer side of the supporting ring, and an outer sealing ring 24 is arranged on the outer supporting step. The inner sealing ring and the outer sealing ring are connected together by an anti-collision ring 25. The anti-collision ring is shielded on the inner circumferential surface of the support ring. The outer side surface of the hole cover is provided with a handle 5. When positive pressure is formed in the transparent cover, namely when a positive pressure experiment is carried out, the hole cover is positioned on the inner side of the supporting ring, and the hole cover is pressed on the inner sealing ring through the pressure difference between the inside and the outside of the transparent cover to be connected with the transparent cover in a sealing mode so as to seal and cover the operation hole; when negative pressure is formed in the transparent cover, namely when the water is vacuumed and observed to boil below 100 ℃, the hole cover is positioned on the outer side of the supporting ring, and the hole cover is pressed on the outer sealing ring through the pressure difference between the inner part and the outer part of the transparent cover to be connected with the transparent cover in a sealing way so as to seal and cover the operation hole.
The strength of the top wall 26 of the transparent cover is higher than the strength of the side walls 27. The side wall of the transparent cover is provided with a plurality of weak parts 28 which are distributed along the height direction of the transparent cover and extend axially and guide the transparent cover to crack when the pressure in the transparent cover rises to cause the transparent cover to crack. The fragile part is in a groove structure. The fragile portion is provided on an inner surface of the transparent cover. The upper end of the outer surface of the transparent cover is provided with an upper hoop 29. The lower end of the outer surface of the transparent cover is provided with a lower hoop 30. The upper end of the fragile part extends into the space enclosed by the upper hoop. The lower end of the fragile part extends into the space surrounded by the lower hoop. The water reservoir is in a separated state from the container. The second thermometer, the air inlet and outlet, the pressure gauge and the pressure relief valve are all arranged on the inner plate. The air inlet and outlet and the pressure release valve penetrate out through the bottom plate. The heater is an induction cooker. The water storage device is made of insulating heat-insulating materials. A conductive plate 31 is provided in the reservoir. The conductive plate divides the water container into an upper water storage chamber 32 and a lower water storage chamber 33. The conductive plate is provided with a convection hole 34 communicating the upper water storage cavity and the lower water storage cavity. The water reservoir rests on the heater. The electromagnetic field generated by the induction cooker acts on the conductive plate to heat the conductive plate. A first thermometer mounting frame is also arranged in the container. The first thermometer mounting bracket comprises a vertical bar 35 and a cross bar 37 hinged at one end to the upper end of the vertical bar by a pin 36. The lower end of the vertical rod is connected to the inner plate. The first thermometer is fixed on the cross bar in a vertical mode. The vertical rod is provided with a limit supporting part 38. When the cross bar is supported on the limiting supporting part, the cross bar stops rotating downwards, and the induction head of the first thermometer is inserted into water in the water storage device. Two positioning notches 39 are provided in the reservoir. Two limiting rods 47 are arranged on the cross rod. When the two limiting rods penetrate through the two positioning notches in a one-to-one correspondence manner and the limiting rods are abutted with the bottom walls 40 of the limiting notches, the conductive plates are all positioned in an electromagnetic field generated by the electromagnetic oven. Two positioning indentations, one on the outer surface of the reservoir and the other on the inner surface of the reservoir. The transverse rod drives the limiting rod to pass in and out of the positioning notch when rotating by the hinged point of the transverse rod and the vertical rod. The positioning notch is surrounded by two opposite blocks 41. The surface 42 of the wall of the stopper forming the spacing notch is provided with a guide surface 43 which guides the spacing rod to drive the water receiver to rotate when the positioning notch and the spacing rod are staggered along the circumferential direction of the water receiver, so that the spacing rod slides into the positioning notch. The limiting rod is provided with a first magnet 44. The water storage device is provided with a second magnet 45 which is matched with the first magnet to drive the limiting rod to abut against the bottom wall of the positioning notch.
When the water storage device is used, water is added into the water storage device after being taken out of the operation hole, then the water storage device is placed on the induction cooker, and when the induction cooker is placed on the induction cooker and taken away from the induction cooker, the pin shaft is used as the shaft to rotate the transverse rod, so that the limiting rod and the thermometer are higher than the water storage device without interfering the operation of the water storage device. After the water receiver is placed on the induction cooker, the cross rod is rotated to the top that the cross rod is located the water receiver to the round pin axle, and maintain under the effect of spacing supporting part that the thermometer is located the water receiver (need the detection head of thermometer to be located the water in the water receiver), if there is the deviation in the position that the water receiver is located on the induction cooker this moment, lead to the conducting plate can not all be located the magnetic field that the induction cooker produced, the gag lever post inserts the in-process of location breach and leads to the surface contact drive water receiver and rotate and carry out the position correction, radial movement carries out the position correction under the effect of first magnet and second magnet simultaneously, thereby make the water receiver move to the gag lever post wear to establish in the location breach and with the radial butt of location breach along the water receiver together.
Claims (8)
1. A transparent pressure-temperature relation tester comprises a container, a water receiver positioned in the container, a heater for heating the water receiver, a first thermometer for measuring the temperature of water in the water receiver, a second thermometer for measuring the temperature in the container and a pressure gauge for measuring the pressure in the container, wherein the container is provided with an air inlet, an air outlet and a pressure release valve, the transparent cover is characterized in that the container comprises a bottom plate and a transparent cover, the lower end of the transparent cover is provided with an annular sealing plate extending along the circumferential direction of the transparent cover, the annular sealing plate radially outwards exceeds the transparent cover to form an outer supporting ring and radially inwards exceeds the transparent cover to form an inner supporting ring, the bottom plate is provided with an annular sealing ring, and the transparent cover presses the outer supporting ring on the annular sealing ring to be connected with the bottom plate in a sealing way only under the action of the pressure difference between the inside and the outside of the transparent cover, the inner ring of the transparent cover is provided with an inner plate supported on the inner supporting ring through an annular sealing gasket, the inner plate is pressed on the annular sealing gasket by the transparent cover under the action of the pressure difference between the inside and the outside of the transparent cover to be connected with the inner plate in a sealing manner, the water storage device and the container are in a separated state, the container is provided with an operation hole, a hole cover is detachably and hermetically connected to the operation hole, the operation hole is provided with the inner sealing gasket and an outer sealing gasket, and the hole cover can enter and exit the container through the operation hole; when positive pressure is formed in the transparent cover, the hole cover is pressed on the inner sealing ring through the pressure difference between the inside and the outside of the transparent cover and is connected with the transparent cover in a sealing mode to seal the operation hole; when negative pressure is formed in the transparent cover, the hole cover is pressed on the outer sealing ring through the pressure difference between the inside and the outside of the transparent cover and is connected with the transparent cover in a sealing mode to seal the operation hole.
2. The transparent pressure temperature relationship tester according to claim 1, wherein the top wall of the transparent cover has a higher strength than the side walls, the side walls of the transparent cover are provided with a plurality of weak portions axially distributed along the height direction of the transparent cover for guiding the transparent cover to crack when the transparent cover is cracked due to the pressure rise in the transparent cover, and the weak portions are in a groove structure.
3. The transparent type pressure temperature relationship tester according to claim 2, wherein the weak portion is provided on an inner surface of the transparent cover.
4. The transparent pressure-temperature relationship tester as claimed in claim 2 or 3, wherein an upper band is provided at an upper end of an outer surface of the transparent cover, a lower band is provided at a lower end of the outer surface of the transparent cover, an upper end of the weak portion extends into a space surrounded by the upper band, and a lower end of the weak portion extends into a space surrounded by the lower band.
5. The transparent pressure temperature relationship tester according to claim 1, wherein a support ring is disposed in the operation hole and extends along a circumferential direction of the operation hole, an inner support step is formed between a portion of a hole wall of the operation hole located inside the support ring and the support ring, the inner seal ring is disposed on the inner support step, an outer support step is formed between a portion of the hole wall of the operation hole located outside the support ring and the support ring, and the outer seal ring is disposed on the outer support step.
6. The transparent type pressure temperature relationship tester according to claim 1, wherein the inner seal ring and the outer seal ring are connected together by an anti-collision ring.
7. The transparent pressure temperature relationship tester according to claim 1, wherein a handle is provided on an outer side surface of the hole cover.
8. The transparent pressure temperature relationship tester according to claim 1, 2 or 3, wherein the bottom plate is further provided with an annular groove, and the annular sealing ring is located in the annular groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910403717.3A CN110211461B (en) | 2019-05-15 | 2019-05-15 | Transparent pressure-temperature relation tester |
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|---|---|---|---|
| CN201910403717.3A CN110211461B (en) | 2019-05-15 | 2019-05-15 | Transparent pressure-temperature relation tester |
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| CN110211461A CN110211461A (en) | 2019-09-06 |
| CN110211461B true CN110211461B (en) | 2021-04-13 |
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