CN215214172U - Carbon dioxide liquid-gas phase conversion actuator - Google Patents
Carbon dioxide liquid-gas phase conversion actuator Download PDFInfo
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- CN215214172U CN215214172U CN202120200388.5U CN202120200388U CN215214172U CN 215214172 U CN215214172 U CN 215214172U CN 202120200388 U CN202120200388 U CN 202120200388U CN 215214172 U CN215214172 U CN 215214172U
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- liquid
- carbon dioxide
- cylinder body
- gas phase
- pressure head
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Abstract
The utility model relates to a carbon dioxide liquid gas phase transition actuator, including the cylinder body, the direction is removed and is equipped with the pressure head that is used for receiving the piece application of force on the cylinder body, still establish on the cylinder body and be provided with the filling opening, the actuator includes the liquid gas conversion room that is used for saving carbon dioxide liquid with the communicating being used for of filling opening, still be provided with on the cylinder body and be used for carrying out the heating device that heats to the carbon dioxide liquid in the liquid gas conversion room, the pressure head links to each other with liquid gas conversion room or the pressure head links to each other with liquid gas conversion room through power transmission structure in order to be driven by gas and outwards do work when carbon dioxide changes the gaseous state into by liquid gas. The utility model provides an actuator that realizes kinetic energy output through carbon dioxide liquid-gas phase transition.
Description
Technical Field
The utility model relates to a carbon dioxide liquid-gas phase conversion actuator in the field of external work output.
Background
The actuator is a device for applying work to the external output, the common actuator is provided with a press machine, an air cylinder, an electric push rod and the like, and the brake is provided with an action output end and can be used for directly acting to the external, such as pressing connection, impact and the like.
Among the above-mentioned various actuators, the hydraulic press can obtain great actuating capacity, but it has following problem, and the press needs supporting oil tank, oil circuit and the oil pump of setting up, and the structure is complicated, and is comparatively heavy, moves inconvenient and be unsuitable high altitude construction. For higher power output, the oil pump is required to have higher power, which can result in higher equipment cost, and the high-pressure oil circuit puts high requirements on the pressure and explosion resistance of the whole oil circuit, and also can result in increased equipment cost and volume and cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an actuator that realizes kinetic energy output through carbon dioxide liquid gas phase transition.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the utility model provides a carbon dioxide liquid gas phase transition actuator, which comprises a cylinder body, the direction is moved on the cylinder body and is equipped with the pressure head that is used for the application of force to the pressure piece, still establish on the cylinder body and be provided with the filling opening, the actuator includes the liquid gas conversion room that is used for saving carbon dioxide liquid with the communicating with the filling opening, still be provided with on the cylinder body and be used for carrying out the heating device that heats to the carbon dioxide liquid in the liquid gas conversion room, the pressure head links to each other with liquid gas conversion room or the pressure head passes through power transmission structure and links to each other with liquid gas conversion room in order to be driven by gas and outwards do work when the carbon dioxide changes into the gaseous state by liquid.
An isolating membrane is arranged between the liquid-gas conversion chamber and the pressure head.
A pre-pressing cavity for filling the fluid object is formed between the isolating membrane and the pressure head, and the actuator comprises a pre-pressing pump connected with the pre-pressing cavity.
The isolating membrane and the inner wall of the cylinder body form the liquid-gas conversion chamber together, or the liquid-gas conversion chamber is formed by the inner cavity of the air bag, and the isolating membrane is formed by the bottom wall of the air bag.
The cylinder body is provided with a pressure sensor and a pressure limiting valve which are connected with the liquid-gas conversion chamber.
And cylinder body supporting legs are arranged on the outer side of the piston pressure head on the cylinder body, and a placing space for placing the pressed piece is formed between the cylinder body supporting legs.
The actuator also comprises a carbon dioxide storage tank connected with the liquid filling opening through a liquid filling pipeline, and a liquid filling pump and an inflation switch valve are arranged on the liquid filling pipeline.
The actuator also comprises an exhaust pipeline connected with the liquid-gas conversion chamber, an exhaust switch valve and an exhaust pump are arranged on the exhaust pipeline, and an air outlet of the exhaust pipeline is connected with the carbon dioxide storage tank.
A carbon dioxide purifier is connected on the exhaust pipeline in series.
The utility model has the advantages that: the utility model discloses utilize the liquid gas phase transition of carbon dioxide, as the power basis, when using, at first to the indoor liquid carbon dioxide that dashes into of liquid gas conversion, when being less than the uniform temperature, liquid carbon dioxide keeps the liquid state, when needs external acting, will receive the piece and place in the pressure head downside, through the heating device to the indoor carbon dioxide heating of liquid gas conversion, carbon dioxide changes gaseous state in the twinkling of an eye, drives the pressure head and receives the piece acting.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the present invention;
fig. 3 is a schematic structural view of embodiment 3 of the present invention.
Detailed Description
The embodiment of the carbon dioxide gas phase conversion actuator of the utility model is shown in figure 1: the device comprises a cylinder body 3 with a cylinder body inner cavity, wherein a pressure head 18 for applying force to a pressed part is assembled at the bottom of the cylinder body inner cavity in a guiding and moving mode, an air bag 15 is arranged at the upper end of the cylinder body inner cavity, a liquid-gas conversion chamber 25 for storing carbon dioxide liquid is formed by the inner cavity of the air bag, a liquid filling port 22 connected with the liquid-gas conversion chamber is arranged on the cylinder body, and the air bag port of the air bag 15 is fixed on the periphery of the liquid filling port in a sealing mode.
The cylinder body is provided with a pressure limiting valve 13 and a pressure sensor 4 which are connected with the liquid-gas conversion chamber, and the pressure sensor is used for detecting the internal pressure of the liquid-gas conversion chamber. The actuator also comprises a carbon dioxide storage tank 2 connected with a liquid filling port 22 through a liquid filling pipeline 1, a liquid filling pump 9, a liquid filling switch valve 10 and a throttle valve 11 are sequentially arranged on the liquid filling pipeline, and a left heating device 12 and a right heating device 12 for heating carbon dioxide liquid in the liquid-gas conversion chamber are further arranged on the cylinder body, wherein the heating devices in the embodiment are electric heating devices and comprise electric heating rods 14 extending into the liquid-gas conversion chamber.
The bottom wall of the gasbag forms the isolating film 16 between the liquid-gas conversion chamber and the pressure head, a prepressing cavity 17 for filling the fluid object is formed between the isolating film and the pressure head, and the actuator comprises a prepressing pump 8 connected with the prepressing cavity. On the cylinder body in the outside of piston pressure head is provided with cylinder body landing leg 20, forms between the cylinder body landing leg 20 and is used for the space of placing that the compression piece was placed, cylinder body landing leg bottom fixedly connected with brace table 21, the space of placing is located the brace table upside. The actuator also comprises an exhaust pipeline 5 connected with the liquid-gas conversion chamber, an exhaust switch valve, an exhaust pump 6 and a carbon dioxide purifier 7 are arranged on the exhaust pipeline, and an air outlet of the exhaust pipeline 5 is connected with a carbon dioxide storage tank.
When the device is used, carbon dioxide liquid with a certain pressure is filled into a liquid-gas conversion chamber, an inflation switch valve is closed, the carbon dioxide liquid at normal temperature is relatively stable, a pressed piece is arranged on the lower side of a pressure head, for example, when the pressed piece is a compression sleeve, the compression sleeve and a cable in the compression sleeve are arranged on the lower side of the pressure head, firstly, a prepressing fluid is filled into a prepressing cavity through a prepressing pump, the prepressing fluid can be water, hydraulic oil or the like, and acts on the pressure head to enable initial pressure to be generated between the pressure head and the pressed piece 19; then the heating device heats the liquid carbon dioxide, when the temperature exceeds the critical temperature of the carbon dioxide by 31.1 ℃, the carbon dioxide is gasified, the volume of the instantaneously gasified carbon dioxide is increased, the air bag expands and transmits force to the pressure head through the prepressing fluid in the prepressing cavity, the pressure head slams to finish external work, and the pressure head keeps applying pressure to the outside all the time when the air pressure in the liquid-gas conversion chamber is not unloaded. The gas after doing work can be recovered through an exhaust pipeline, compressed by an exhaust pump and changed into liquid carbon dioxide again to be stored in a carbon dioxide storage tank. The utility model discloses has following effect: 1. the liquid-gas phase conversion of the carbon dioxide is utilized to complete external work, the pressure resistance of a liquid filling pipeline for conveying the liquid carbon dioxide to a liquid-gas conversion chamber does not need to be too large, and the requirement of sealing and explosion prevention can be reduced by basically meeting the requirement of 7.53Mpa of the critical pressure of liquefaction of the carbon dioxide; 2. carbon dioxide is used as a clean energy source, is pollution-free and can be recycled; 3. can provide higher instant output force, is very suitable for the output of the actuator with instant action; 4. the setting of barrier film for the setting of pre-compaction fluid becomes possible, and when carbon dioxide did not carry out liquid gas phase transformation like this, the pressure head was carried out the pre-fixing earlier and is exerted pressure to the pressure piece, and the prepositioning of accomplishing on the one hand, in addition, because liquid gas phase transformation is accomplished in the twinkling of an eye, its effect of outwards exporting is crucial, if do not contact the cooperation in advance between crimping cover and the cable, say so that there is the air, this can seriously influence the effect of exerting pressure in the twinkling of an eye of pressure head.
In other embodiments of the present invention: when the prepressing is not needed, the isolating film is not needed, and the pressure head can be assembled on the cylinder body in a sealing, guiding and moving mode.
An embodiment 2 of the carbon dioxide liquid-gas phase shift actuator is shown in fig. 2: example 2 differs from example 1 in that, in use, the bottom of the cylinder leg 20 is placed on a support table 22, on which the pressure receiving member 19 is placed via a table.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A carbon dioxide liquid-gas phase inversion actuator, characterized by: the device comprises a cylinder body, the guide movement on the cylinder body is equipped with the pressure head that is used for the application of force to the pressure piece, still be provided with the filling opening on the cylinder body, the actuator includes the liquid-gas conversion room that is used for saving carbon dioxide liquid with the communicating being used for of filling opening, still be provided with on the cylinder body and be used for carrying out the heating device that heats to the carbon dioxide liquid in the liquid-gas conversion room, the pressure head links to each other with liquid-gas conversion room or the pressure head passes through power transmission structure and links to each other with liquid-gas conversion room in order to be driven by gas and outwards do work when carbon dioxide changes gaseous state into by liquid.
2. The carbon dioxide liquid-gas phase shift actuator according to claim 1, characterized in that: an isolating membrane is arranged between the liquid-gas conversion chamber and the pressure head.
3. The carbon dioxide liquid-gas phase shift actuator of claim 2, wherein: a pre-pressing cavity for filling the fluid object is formed between the isolating membrane and the pressure head, and the actuator comprises a pre-pressing pump connected with the pre-pressing cavity.
4. The carbon dioxide liquid-gas phase shift actuator of claim 2, wherein: the isolating membrane and the inner wall of the cylinder body form the liquid-gas conversion chamber together, or the liquid-gas conversion chamber is formed by the inner cavity of the air bag, and the isolating membrane is formed by the bottom wall of the air bag.
5. The carbon dioxide liquid-gas phase shift actuator according to claim 1, characterized in that: and cylinder body supporting legs are arranged on the outer side of the piston pressure head on the cylinder body, and a placing space for placing the pressed piece is formed between the cylinder body supporting legs.
6. The carbon dioxide liquid-gas phase shift actuator according to any one of claims 1 to 5, characterized in that: the actuator also comprises a carbon dioxide storage tank connected with the liquid filling opening through a liquid filling pipeline, and a liquid filling pump and an inflation switch valve are arranged on the liquid filling pipeline.
7. The carbon dioxide liquid-gas phase shift actuator of claim 6, wherein: the actuator also comprises an exhaust pipeline connected with the liquid-gas conversion chamber, an exhaust switch valve and an exhaust pump are arranged on the exhaust pipeline, and an air outlet of the exhaust pipeline is connected with the carbon dioxide storage tank.
8. The carbon dioxide liquid-gas phase shift actuator of claim 7, wherein: a carbon dioxide purifier is connected on the exhaust pipeline in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120200388.5U CN215214172U (en) | 2021-01-25 | 2021-01-25 | Carbon dioxide liquid-gas phase conversion actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120200388.5U CN215214172U (en) | 2021-01-25 | 2021-01-25 | Carbon dioxide liquid-gas phase conversion actuator |
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| Publication Number | Publication Date |
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| CN215214172U true CN215214172U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120200388.5U Active CN215214172U (en) | 2021-01-25 | 2021-01-25 | Carbon dioxide liquid-gas phase conversion actuator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780617A (en) * | 2021-01-25 | 2021-05-11 | 郑州东辰科技有限公司 | Carbon dioxide liquid-gas phase conversion actuator |
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2021
- 2021-01-25 CN CN202120200388.5U patent/CN215214172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780617A (en) * | 2021-01-25 | 2021-05-11 | 郑州东辰科技有限公司 | Carbon dioxide liquid-gas phase conversion actuator |
| CN112780617B (en) * | 2021-01-25 | 2023-08-25 | 郑州东辰科技有限公司 | Carbon dioxide liquid-gas phase conversion actuator |
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