CN210572059U - Differential pressure closed type pressure-temperature relation tester - Google Patents
Differential pressure closed type pressure-temperature relation tester Download PDFInfo
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- CN210572059U CN210572059U CN201920693675.7U CN201920693675U CN210572059U CN 210572059 U CN210572059 U CN 210572059U CN 201920693675 U CN201920693675 U CN 201920693675U CN 210572059 U CN210572059 U CN 210572059U
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Abstract
The utility model relates to a pressure differential closed pressure temperature relation tester, including the container, the container includes bottom plate and cover, and the lower extreme of cover is equipped with along the annular seal board of cover circumference extension, and annular seal board radially outwards surpasss along the cover forms outer support ring and radially inwards surpasss along the cover forms inner support ring, is equipped with annular seal ring on the bottom plate, and the cover only will under the effect of cover inside and outside pressure differential outer support ring is pressed on annular seal ring and together bottom plate sealing connection is in the same place, the cover inner ring is equipped with to be supported through annular seal ring inner panel on the inner support ring, the cover only will under the effect of cover inside and outside pressure differential the inner panel is pressed annular seal ring is last and with inner panel sealing connection is in the same place. The cover is provided with an observation window. The utility model has the advantages of can utilize the pressure differential when experimenting to carry out sealed, the container of having solved current pressure temperature relation tester carries out sealed problem.
Description
Technical Field
The utility model relates to an equipment is experienced in the experiment, especially relates to a pressure differential closed 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: 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.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose provides a pressure differential closed pressure temperature relation tester that can utilize the pressure differential when experimenting to seal, has solved the problem that the container of current pressure temperature relation tester carries out sealedly.
The utility model discloses a second purpose aims at providing a convenient pressure differential closed pressure temperature relation tester when discharging water, has solved the problem that produces the delay easily when the container of current pressure temperature relation tester discharges water.
The technical problem is solved by the following technical scheme: a pressure difference closed type pressure-temperature relation tester comprises a container, a water receiver arranged 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 pressure difference closed type pressure-temperature relation tester is characterized in that the container comprises a bottom plate and a cover, the lower end of the cover is provided with an annular sealing plate extending along the circumferential direction of the cover, the annular sealing plate radially outwards exceeds the cover to form an outer supporting ring and radially inwards exceeds the cover to form an inner supporting ring, the bottom plate is provided with the annular sealing ring, the 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 cover to be connected with the bottom plate in a sealing way, the cover is provided with an inner plate supported on the inner supporting ring, the inner plate is pressed on the annular sealing gasket by the cover under the action of the pressure difference between the inside and the outside of the cover to be connected with the inner plate in a sealing way, the cover is provided with an observation hole, and a transparent hole cover is arranged on the observation hole. This technical scheme, with the container lift for constitute by cover, bottom plate and inner panel, 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. And an observation hole is arranged, and the working medium (the state change of water) in the container is observed through the observation hole.
Preferably, the water storage device is separated from the container, the water storage device can enter and exit through the observation hole, and the hole cover is detachably and hermetically connected with the observation hole. When in use, the water storage device is taken out through the observation hole, thereby being convenient for pouring water in the water storage device and adding water into the container. The second utility model purpose is realized.
Preferably, the observation 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 observation hole; when positive pressure is formed in the cover, the hole cover is pressed on the inner sealing ring through the pressure difference between the inside and the outside of the cover to be connected with the cover in a sealing mode so as to seal the observation hole; when negative pressure is formed in the cover, the hole cover is pressed on the outer sealing ring through the pressure difference between the inside and the outside of the cover and is connected with the cover in a sealing mode to seal the observation hole. The pressure difference in the container is utilized to connect the hole cover on the observation 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 observation hole is arranged in the observation 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 observation 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 observation 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 observation hole, and the observation 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 cover is further sleeved with a dustproof sleeve extending along the circumferential direction of the cover, the upper end of the dustproof sleeve is connected with the 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 an elastic structure. The position precision requirement between the dustproof sleeve and the annular sealing plate can be reduced, and the convenience in manufacturing is improved.
The utility model has the advantages of that: the container is convenient to seal; the safety is good; it is convenient to take out and conduct heat water into the water storage device.
Drawings
Fig. 1 is a schematic view of the present invention.
In the figure: the device comprises a 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 cover 10, supporting legs 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, an observation hole 20, a hole cover 21, a supporting annular ring 22, an inner sealing ring 23, an outer sealing ring 24, an anti-collision ring 25, a handle 5 and a second thermometer 46.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1, a differential pressure hermetic type pressure-temperature relationship tester includes a container 1, a water reservoir 2 located in the container, a heater 3 for heating the water reservoir, a first thermometer 4 for measuring the temperature of water in the water reservoir, a second thermometer 46 for measuring the temperature inside the container, and a pressure gauge 6 for 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 base plate 9 and a 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 shroud is provided with an annular seal plate 14 extending circumferentially of the shroud. The annular seal plate extends radially outwardly of the shroud to form an outer support ring 15 beyond the shroud and radially inwardly of the shroud to form an inner support ring 16 beyond the shroud. 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 cover is also sleeved with a dust cover 17 extending along the circumferential direction of the cover. The upper end of the dustproof sleeve is connected with the cover, and the lower end of the dustproof sleeve abuts against the bottom plate so as to be covered on the annular groove. The dustproof cover is of an elastic structure. When the container is vacuumized to form negative pressure, the 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 cover to be connected with the bottom plate in a sealing way. The inner ring of the hood 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 cover under the action of the pressure difference between the inside and the outside of the cover so as to be connected with the inner plate in a sealing way. The container is provided with a viewing aperture 20. The observation hole is detachably connected with a hole cover 21 in a sealing way. The hole cover can enter and exit the container through the observation hole, specifically, the observation hole is a strip-shaped hole, the width direction of the hole cover is parallel to the length direction of the observation 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 observation hole has the following relation: a support ring 22 is provided in the viewing aperture extending circumferentially around the viewing aperture. An inner supporting step is formed between the part of the hole wall of the observation 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 observation 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 cover, namely when a positive pressure experiment is carried out, the hole cover is positioned on the inner side of the supporting circular ring, and the hole cover is pressed on the inner sealing ring through the pressure difference between the inside and the outside of the cover to be connected with the cover in a sealing way so as to seal the observation hole; when negative pressure is formed in the cover, namely when the water is boiled below 100 ℃ under vacuum observation, 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 cover to be connected with the cover in a sealing way so as to seal the observation hole.
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 water storage device is a beaker.
When the water storage device is used, the added water in the water storage device is taken out through the observation hole, the state change of the water in the water storage device is observed through the observation hole, and in order to increase the brightness in the container, a bulb is arranged in the container for illumination.
Claims (9)
1. A pressure difference closed type pressure-temperature relation tester comprises a container, a water receiver arranged 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 pressure difference closed type pressure-temperature relation tester is characterized in that the container comprises a bottom plate and a cover, the lower end of the cover is provided with an annular sealing plate extending along the circumferential direction of the cover, the annular sealing plate radially outwards exceeds the cover to form an outer supporting ring and radially inwards exceeds the cover to form an inner supporting ring, the bottom plate is provided with the annular sealing ring, the 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 cover to be connected with the bottom plate in a sealing way, the cover is provided with an inner plate supported on the inner supporting ring, the inner plate is pressed on the annular sealing gasket by the cover under the action of the pressure difference between the inside and the outside of the cover to be connected with the inner plate in a sealing way, the cover is provided with an observation hole, and a transparent hole cover is arranged on the observation hole.
2. The pressure differential hermetic pressure temperature relationship tester as claimed in claim 1, wherein the water reservoir is separated from the container, the water reservoir is accessible through the observation hole, and the hole cover is detachably and hermetically connected to the observation hole.
3. The differential pressure hermetic pressure temperature relation tester as claimed in claim 2, wherein the observation 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 observation hole; when positive pressure is formed in the cover, the hole cover is pressed on the inner sealing ring through the pressure difference between the inside and the outside of the cover to be connected with the cover in a sealing mode so as to seal the observation hole; when negative pressure is formed in the cover, the hole cover is pressed on the outer sealing ring through the pressure difference between the inside and the outside of the cover and is connected with the cover in a sealing mode to seal the observation hole.
4. The pressure difference sealed pressure temperature relation tester as claimed in claim 3, wherein the observation hole is provided with a support ring extending along the circumferential direction of the observation hole, an inner support step is formed between the part of the hole wall of the observation hole located at the inner side of the support ring and the support ring, the inner seal ring is located on the inner support step, an outer support step is formed between the part of the hole wall of the observation hole located at the outer side of the support ring and the support ring, and the outer seal ring is located on the outer support step.
5. A pressure differential and seal pressure and temperature relationship tester as claimed in claim 3 or 4, wherein the inner sealing ring and the outer sealing ring are connected together by an anti-collision ring.
6. The pressure differential and hermetic pressure and temperature relationship tester as claimed in claim 2, wherein the outer side of the hole cover is provided with a handle.
7. The differential pressure and seal type pressure and temperature relationship tester as claimed in claim 1, wherein the bottom plate further has an annular groove, and the annular sealing ring is located in the annular groove.
8. The differential pressure and sealed pressure and temperature relationship tester as claimed in claim 7, wherein the lower end of the cover is further sleeved with a dust-proof sleeve extending along the circumferential direction of the cover, the upper end of the dust-proof sleeve is connected with the cover, and the lower end of the dust-proof sleeve abuts against the bottom plate so as to be covered on the annular groove.
9. The differential pressure-sealed pressure-temperature relationship tester as claimed in claim 8, wherein the dust-proof sleeve is of an elastic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693675.7U CN210572059U (en) | 2019-05-15 | 2019-05-15 | Differential pressure closed type pressure-temperature relation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693675.7U CN210572059U (en) | 2019-05-15 | 2019-05-15 | Differential pressure closed type pressure-temperature relation tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210572059U true CN210572059U (en) | 2020-05-19 |
Family
ID=70637985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920693675.7U Expired - Fee Related CN210572059U (en) | 2019-05-15 | 2019-05-15 | Differential pressure closed type pressure-temperature relation tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210572059U (en) |
-
2019
- 2019-05-15 CN CN201920693675.7U patent/CN210572059U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |