CN109611412B - Automatic self-supporting device - Google Patents
Automatic self-supporting device Download PDFInfo
- Publication number
- CN109611412B CN109611412B CN201910005787.3A CN201910005787A CN109611412B CN 109611412 B CN109611412 B CN 109611412B CN 201910005787 A CN201910005787 A CN 201910005787A CN 109611412 B CN109611412 B CN 109611412B
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- actuator
- fluid
- cavity
- volume
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims abstract description 92
- 230000003247 decreasing effect Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 33
- 230000033001 locomotion Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000012782 phase change material Substances 0.000 claims description 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000003321 amplification Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B2015/206—Combined actuation, e.g. electric and fluid actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- User Interface Of Digital Computer (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides an automatic self-supporting device comprising: a negative pressure actuator (100), a fluid actuator (200), and a driver (900); when the negative pressure actuator forms a negative pressure cavity, the fluid actuator forms a containing cavity with a containing space; under the driving of the atmosphere, the volume of a negative pressure cavity formed by the negative pressure actuator can be reduced, the negative pressure actuator (100) is linked with the fluid actuator (200), the volume of a containing cavity formed by the fluid actuator (200) and provided with a containing space is reduced, and the fluid in the containing cavity is discharged; the volume of the negative pressure cavity formed by the negative pressure actuator can be increased and/or the volume of the negative pressure cavity formed by the negative pressure actuator can be prevented from being decreased under the driving of the driver (900).
Description
Technical Field
The present invention relates to the field of drives, and in particular to automatic self-contained devices.
Background
Because of incompressibility of liquid, the displacement can be amplified by utilizing the difference of the areas of the liquid pipelines, which is the hydraulic amplifying principle of the invention. Because under certain use environments, the precise driving system is required to be nonmagnetic, the driving system based on the hydraulic amplification principle has great advantages, and the remote driving can be realized through the communication device. The hydraulic amplification is innovatively applied to precisely driving displacement amplification, so that a novel driving mechanism and method capable of remotely driving without noise and magnetism are realized.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide an automatic self-contained device.
According to the present invention there is provided an automatic self-supporting device comprising: a negative pressure actuator 100, a fluid actuator 200, and a driver 900;
when the negative pressure actuator forms a negative pressure cavity, the fluid actuator forms a containing cavity with a containing space;
Under the driving of the atmosphere, the volume of a negative pressure cavity formed by the negative pressure actuator can be reduced, the negative pressure actuator 100 is linked with the fluid actuator 200, the volume of a containing cavity with a containing space formed by the fluid actuator 200 is reduced, and the fluid in the containing cavity is discharged;
The volume of the negative pressure chamber formed by the negative pressure actuator can be increased and/or blocked from being decreased by the drive of the driver 900.
Preferably, when the volume of the negative pressure chamber formed by the negative pressure actuator becomes larger, the volume of the accommodating chamber formed by the fluid actuator 200 becomes larger in linkage, or the volume of the accommodating chamber formed by the fluid actuator 200 is unchanged.
Preferably, the driver 900 applies a force of a linear motion or a force of a rotational motion to the negative pressure actuator.
Preferably, the driver 900 adopts any one of the following driving modes:
-a shape memory alloy spring;
-electromagnetic driving;
-electrostatic actuation;
-piezoelectric actuation;
-magnetostrictive actuation;
-an electrostrictive drive;
-a fluid pump drive;
-thermal or optical energy drive;
-electrorheological or magnetorheological fluid actuation;
-thermal expansion actuation of the phase change material;
-electromagnetically deformable composite material movement;
-an electric motor and a transmission drive thereof.
Preferably, the negative pressure actuator 100 and the fluid actuator 200 are both piston assemblies;
The piston rod 101 of the negative pressure actuator and the piston rod 201 of the fluid actuator move in a linkage way; the rod cavity 103 of the negative pressure actuator is communicated with the atmosphere;
when the rodless chamber 102 of the negative pressure actuator forms a negative pressure chamber, the rodless chamber 202 of the fluid actuator forms a receiving chamber having a receiving space;
The volume of the negative pressure chamber formed by the rodless chamber 102 of the negative pressure actuator can be made smaller by the driving of the atmosphere, the volume of the accommodating chamber having the accommodating space formed by the rodless chamber 202 of the fluid actuator can be made smaller, and the fluid in the accommodating chamber can be discharged.
Preferably, it comprises: a linkage connector 300;
the linkage connector 300 is movable between a first position and a second position;
when the linkage connector 300 is in the first position, the rodless chamber 102 of the negative pressure actuator forms a negative pressure chamber, and the rodless chamber 202 of the fluid actuator forms a receiving chamber having a receiving space;
Under the driving of the atmosphere, the linkage connector 300 moves from the first position to the second position, the volume of a negative pressure cavity formed by the rodless cavity 102 of the negative pressure actuator is reduced, the volume of a containing cavity with a containing space formed by the rodless cavity 202 of the fluid actuator is reduced, and the fluid in the containing cavity is discharged;
The driver 900 drives the piston rod 101 of the negative pressure actuator and/or the piston rod 201 of the fluid actuator via the linkage connection 300.
Preferably, the linkage connector 300 is connected with the piston rod 101 of the negative pressure actuator and/or the piston rod 201 of the fluid actuator through different locking mechanisms 901 respectively;
the locking mechanism comprises a one-way locking mechanism or a two-way locking mechanism.
Preferably, a sensor 902 is also included, wherein the sensor 902 detects a displacement of the piston rod 201 or the driver 900 of the fluid actuator;
the negative pressure actuator 100 is one or more;
The fluid actuator 200 is one or more;
The areas of the force transmission surfaces of the negative pressure chamber of the negative pressure actuator 100 and the accommodating chamber of the fluid actuator 200 are equal or unequal;
the output port of the fluid actuator 200 is provided with a caliber adjusting device; the linkage includes: synchronous or asynchronous linkage.
Preferably, the system further comprises a controller;
The controller controls the driver 900 to execute according to the parameters of any one or more of the negative pressure actuator 100, the fluid actuator 200 and the driver 900, so as to realize full-automatic closed-loop control of limit injection, limit automatic injection, controllable limit output or limit automatic output.
Preferably, the system further comprises a controller;
The controller collects parameters of any one or more of the negative pressure actuator 100, the fluid actuator 200 and the driver 900, and outputs the parameters as internet of things data to the intelligent terminal so as to monitor or alarm the internet of things information.
Compared with the prior art, the invention has the following beneficial effects:
The invention has reasonable structure and can realize the function of self-supplying output fluid by utilizing the atmospheric pressure.
The invention has the advantages that;
1. The problem of traditional elasticity gasbag liquid or gaseous tight in advance, retract extrusion fluid trace output is solved: output force attenuation, motion driving force and unstable speed influence output precision.
2. The vacuum actuator is driven to move by utilizing the ubiquitous constant force difference between the atmospheric pressure and the vacuum, and simultaneously, the non-vacuum fluid fixedly connected with the movement end of the vacuum actuator is driven to synchronously move.
3. The sizes of the two actuator chambers can be optimally matched according to the output speed, capacity requirements and the like;
4. The size of the fluid output caliber is correspondingly determined according to the flow index in unit time
5. The negative pressure actuator and the fluid actuator can be used in combination with one another, and can be combined in one-to-many or in many-to-many manner
6. The invention can be used as a unit body in combination for quantitative, timing collection or matching of various fluids with different components.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of embodiment 2 of the present invention.
Fig. 5 is a schematic structural view of embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of embodiment 3 of the present invention.
Fig. 7 is a schematic structural view of embodiment 4 of the present invention.
Fig. 8 is a schematic structural view of embodiment 5 of the present invention.
Fig. 9 is a schematic structural view of embodiment 5 of the present invention.
Fig. 10 is a schematic structural view of embodiment 5 of the present invention.
Fig. 11 is a schematic structural view of embodiment 6 of the present invention.
Fig. 12 is a schematic structural view of embodiment 7 of the present invention.
Fig. 13 is a schematic structural view of embodiment 8 of the present invention.
Fig. 14 is a schematic structural view of embodiment 9 of the present invention.
The figure shows:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Basic embodiment
According to the present invention there is provided an automatic self-supporting device comprising: a negative pressure actuator 100, a fluid actuator 200, and a driver 900; when the negative pressure actuator forms a negative pressure cavity, the fluid actuator forms a containing cavity with a containing space;
Under the driving of the atmosphere, the volume of a negative pressure cavity formed by the negative pressure actuator can be reduced, the negative pressure actuator 100 is linked with the fluid actuator 200, the volume of a containing cavity with a containing space formed by the fluid actuator 200 is reduced, and the fluid in the containing cavity is discharged;
The volume of the negative pressure chamber formed by the negative pressure actuator can be increased and/or blocked from being decreased by the drive of the driver 900.
Preferred examples of the basic embodiment will be described below.
Example 1
As shown in fig. 1 and 2, the driver 900 includes a motor that outputs a force of a linear motion to the link connector 300 through a worm. The driver 900 drives the piston rod 101 of the negative pressure actuator and/or the piston rod 201 of the fluid actuator via the linkage connection 300. The negative pressure actuator 100 and the fluid actuator 200 are piston components; the piston rod 101 of the negative pressure actuator and the piston rod 201 of the fluid actuator move in a linkage way; the rod cavity 103 of the negative pressure actuator is communicated with the atmosphere; when the rodless chamber 102 of the negative pressure actuator forms a negative pressure chamber, the rodless chamber 202 of the fluid actuator forms a receiving chamber having a receiving space; the volume of the negative pressure chamber formed by the rodless chamber 102 of the negative pressure actuator can be made smaller by the driving of the atmosphere, the volume of the accommodating chamber having the accommodating space formed by the rodless chamber 202 of the fluid actuator can be made smaller, and the fluid in the accommodating chamber can be discharged.
The linkage connector 300 is movable between a first position and a second position; when the linkage connector 300 is in the first position, the rodless chamber 102 of the negative pressure actuator forms a negative pressure chamber, and the rodless chamber 202 of the fluid actuator forms a receiving chamber having a receiving space; under the driving of the atmosphere, the linkage connector 300 moves from the first position to the second position, the volume of the negative pressure cavity formed by the rodless cavity 102 of the negative pressure actuator becomes smaller, the volume of the accommodating cavity with the accommodating space formed by the rodless cavity 202 of the fluid actuator becomes smaller, and the fluid in the accommodating cavity is discharged.
The sensor 902 detects the displacement of the piston rod 201 or the driver 900 of the fluid actuator. The automatic self-contained apparatus further includes a controller; the controller controls the driver 900 to execute according to the parameters of any one or more of the negative pressure actuator 100, the fluid actuator 200 and the driver 900, so as to realize full-automatic closed-loop control of limit injection, limit automatic injection, controllable limit output or limit automatic output. Through the controller, the controller gathers the parameter of any one or more of negative pressure executor 100, fluid executor 200, driver 900, and outputs as thing allies oneself with data to intelligent terminal to carry out the control of thing allies oneself with information or report to the police.
Example 2
As shown in fig. 3 and 4, the actuator 900 includes a body of electrostrictive material, such as piezoelectric material, that is capable of actuating the linkage 300 upon deformation upon energization. The linkage connector 300 is respectively connected with the piston rod 101 of the negative pressure actuator and/or the piston rod 201 of the fluid actuator through different locking mechanisms 901; the locking mechanism comprises a one-way locking mechanism or a two-way locking mechanism. The volume of the negative pressure chamber formed by the negative pressure actuator can be increased and/or blocked from being decreased by the drive of the driver 900.
Specifically, the length of the piezoelectric material in fig. 4 is greater than that in fig. 3, and fig. 3 and 4 enable the fluid to be quantitatively output.
Example 3
As shown in fig. 6, when the lock mechanism is set by power-up and power-down, it is possible to realize that the volume of the negative pressure chamber formed by the negative pressure actuator increases as needed, the volume of the accommodating chamber formed by the fluid actuator 200 increases in a linked manner, or the volume of the accommodating chamber formed by the fluid actuator 200 does not change.
Example 4
As shown in fig. 7, the locking mechanism matched with the piston rod of the fluid actuator is a bidirectional locking mechanism, so that locking or releasing operation can be performed more flexibly. Wherein the locking mechanism comprises a clamping mechanism. The clamping mechanism in the prior art can be utilized, for example, a person skilled in the art can refer to an electromagnetic clamping mechanism and a linear driving device and combination thereof [ application number 201410387626.2, publication number CN104167957A ], which discloses an electromagnetic clamping mechanism, comprising an electromagnet, a permanent magnet and a deformation body, wherein the magnetic pole of the permanent magnet is in direct contact with or close to the magnetic pole of the electromagnet to form a control magnetic circuit, and the deformation body is rigidly connected with the permanent magnet; the permanent magnet moves relative to the electromagnet under the drive of the magnetic field of the control magnetic circuit and drives the deformation body to deform, so that clamping, locking and releasing are realized. The person skilled in the art can also refer to patent documents such as ' electromagnetic-permanent magnet clamping mechanism for linear motor ', ' application number 201020603794.8, publication number CN201869079U ', electromagnetic clamping mechanism and its stick-slip linear motor ', ' application number 201020603955.3, publication number CN201887641U ', etc. to realize the clamping mechanism, and also refer to ' electromagnetic adaptive clamping device and combined clamping device ', ' application number 201610038564.3, publication number CN105527840a '. For example, based on the "electromagnetic clamping mechanism and the linear driving device and combination thereof", the deformation body in the clamping mechanism can be locked against the locked object as the output piece, based on the "electromagnetic-permanent magnet clamping mechanism for the linear motor", the output rod in the clamping mechanism can be locked against the locked object as the output piece, based on the "electromagnetic clamping mechanism and the linear motor for the stick-slip motion thereof", the output shaft in the clamping mechanism can be locked against the locked object as the output piece, based on the "electromagnetic adaptive clamping device and combination clamping device", the clamping component in the clamping mechanism can be tightened and loosened to be tightened and tightened against the locked object as the output piece. Those skilled in the art can also refer to a "swing type long stroke movement device and a multi-dimensional motor" [ application number 201610351263.6, publication number CN 207321084U ] to realize a clamping mechanism with wide to narrow channels.
Example 5
As shown in fig. 8, 9 and 10, the actuator 900 includes a piezoelectric material body, and is capable of mainly driving the rotation shaft to rotate counterclockwise when an electric signal as shown in fig. 9 is applied, and is capable of mainly driving the rotation shaft to rotate clockwise when an electric signal as shown in fig. 10 is applied. The spring 901 provides pressure between the friction piece 902 and the torus, and the friction piece 902 drives the torus to rotate through friction force, so that the torus drives the rotating shaft to rotate.
Example 6
As shown in fig. 10, the initial air pressure in the negative pressure chamber may be adjusted by an external syringe.
The output port of the fluid actuator 200 is provided with a caliber adjusting device.
As shown in fig. 12, the aperture adjusting device is an extrusion member, and the flow rate of the liquid discharged is adjusted by being deformed by extrusion of the output port.
As shown in fig. 13, the aperture adjusting device is a shutter, and adjusts the flow rate of the liquid discharged by blocking the flow area of the outlet.
As shown in fig. 14, the aperture adjusting device is a shutter having a plurality of through holes of different radii, and the flow rate of the liquid discharged is regulated by switching different through holes.
The present invention will be further described below.
The linkage may be synchronous, including real-time synchronous motion, in-order synchronous, sequential synchronous, zoom-in synchronous, zoom-out synchronous, or lag synchronous motion. For example, in the case of setting time delay starting, the piston rod of the negative pressure actuator moves for a preset time, then reaches the piston rod of the fluid actuator to achieve contact, and then pushes the piston rod of the fluid actuator to move. The method is suitable for gradually adding or gradually subtracting or adding and mixing different fluids at different time points.
In a variation or preferred embodiment, the driver may adopt any of the following driving modes:
-a shape memory alloy spring;
-electromagnetic driving;
-electrostatic actuation;
-piezoelectric actuation;
-magnetostrictive actuation;
-an electrostrictive drive;
-a fluid pump drive;
-thermal energy, optical energy drive;
-electrorheological and magnetorheological fluid actuation;
-thermal expansion actuation of the phase change material;
-electromagnetically deformable composite material movement;
-an electric motor and a transmission drive thereof.
Accordingly, the driver includes:
-a shape memory alloy spring;
-an electromagnetic drive;
-an electrostatic drive;
-a body of piezoelectric material;
-a magnetostrictive material body driver;
-an electrostrictive material body driver;
-a fluid pump;
-a thermal or optical energy driver;
-an electrorheological or magnetorheological fluid actuator;
-a phase change material thermal expansion actuator;
-an electromagnetically deformable composite actuator;
-an electric motor and a transmission mechanism thereof.
The negative pressure actuator (100) and the fluid actuator (200) are combined in a serial, parallel, serial-parallel composite or array type combination mode.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The foregoing describes specific embodiments of the present application. It is to be understood that the application is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the application. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (8)
1. An automatic self-supporting device, comprising: a negative pressure actuator (100), a fluid actuator (200), and a driver (900);
when the negative pressure actuator forms a negative pressure cavity, the fluid actuator forms a containing cavity with a containing space;
under the driving of the atmosphere, the volume of a negative pressure cavity formed by the negative pressure actuator can be reduced, the negative pressure actuator (100) is linked with the fluid actuator (200), the volume of a containing cavity formed by the fluid actuator (200) and provided with a containing space is reduced, and the fluid in the containing cavity is discharged;
Under the driving of the driver (900), the volume of the negative pressure cavity formed by the negative pressure actuator can be increased, and/or the volume of the negative pressure cavity formed by the negative pressure actuator is prevented from being decreased;
Also comprises a controller; the controller controls the driver (900) to execute according to the parameters of any one or more of the negative pressure actuator (100), the fluid actuator (200) and the driver (900) so as to realize full-automatic closed-loop control limit injection, time-limited automatic injection, controllable time-limited output or limit automatic output; or further comprises a controller; the controller collects parameters of any one or more of the negative pressure actuator (100), the fluid actuator (200) and the driver (900), and outputs the parameters to the intelligent terminal as internet of things data so as to monitor or alarm the internet of things information.
2. The automatic self-supporting device according to claim 1, wherein when the volume of the negative pressure chamber formed by the negative pressure actuator becomes larger, the volume linkage of the receiving chamber formed by the fluid actuator (200) becomes larger, or the volume of the receiving chamber formed by the fluid actuator (200) is unchanged.
3. The automatic self-contained device of claim 1, wherein the actuator (900) applies a force of linear motion or a force of rotational motion to the negative pressure actuator.
4. The automatic self-supporting device according to claim 1, wherein the driver (900) is driven in any of the following ways:
-a shape memory alloy spring;
-electromagnetic driving;
-electrostatic actuation;
-piezoelectric actuation;
-magnetostrictive actuation;
-an electrostrictive drive;
-a fluid pump drive;
-thermal or optical energy drive;
-electrorheological or magnetorheological fluid actuation;
-thermal expansion actuation of the phase change material;
-electromagnetically deformable composite material movement;
-an electric motor and a transmission drive thereof.
5. The automatic self-contained device of claim 1, wherein the negative pressure actuator (100) and the fluid actuator (200) are piston assemblies;
The piston rod (101) of the negative pressure actuator and the piston rod (201) of the fluid actuator move in a linkage way; the rod cavity (103) of the negative pressure actuator is communicated with the atmosphere;
when the rodless cavity (102) of the negative pressure actuator forms a negative pressure cavity, the rodless cavity (202) of the fluid actuator forms a containing cavity with a containing space;
Under the driving of the atmosphere, the volume of a negative pressure cavity formed by the rodless cavity (102) of the negative pressure actuator can be reduced, the volume of a containing cavity with a containing space formed by the rodless cavity (202) of the fluid actuator can be reduced, and the fluid in the containing cavity can be discharged.
6. The automatic self-contained device of claim 5, comprising: a linkage connector (300);
the linkage connection (300) is movable between a first position and a second position;
When the linkage connecting piece (300) is positioned at the first position, the rodless cavity (102) of the negative pressure actuator forms a negative pressure cavity, and the rodless cavity (202) of the fluid actuator forms a containing cavity with a containing space;
Under the drive of the atmosphere, the linkage connecting piece (300) moves from the first position to the second position, the volume of a negative pressure cavity formed by a rodless cavity (102) of the negative pressure actuator is reduced, the volume of a containing cavity with a containing space formed by a rodless cavity (202) of the fluid actuator is reduced, and the fluid in the containing cavity is discharged;
A driver (900) drives the piston rod (101) of the negative pressure actuator and/or the piston rod (201) of the fluid actuator via the linkage connection (300).
7. The automatic self-supporting device according to claim 6, characterized in that said linkage connection (300) is connected to a piston rod (101) of said negative pressure actuator and/or to a piston rod (201) of said fluid actuator, respectively, by means of different locking mechanisms (901);
the locking mechanism comprises a one-way locking mechanism or a two-way locking mechanism.
8. The automatic self-contained device of claim 6, further comprising a sensor (902), wherein the sensor (902) detects displacement of a piston rod (201) or driver (900) of the fluid actuator;
the negative pressure actuator (100) is one or more;
The number of the fluid actuators (200) is one or more;
The areas of the force transmission surfaces of the negative pressure cavity of the negative pressure actuator (100) and the accommodating cavity of the fluid actuator (200) are equal or unequal;
an outlet of the fluid actuator (200) is provided with an aperture adjusting device; the linkage includes: synchronous or asynchronous linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005787.3A CN109611412B (en) | 2019-01-03 | 2019-01-03 | Automatic self-supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005787.3A CN109611412B (en) | 2019-01-03 | 2019-01-03 | Automatic self-supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109611412A CN109611412A (en) | 2019-04-12 |
| CN109611412B true CN109611412B (en) | 2024-06-25 |
Family
ID=66016143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910005787.3A Active CN109611412B (en) | 2019-01-03 | 2019-01-03 | Automatic self-supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611412B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837229A (en) * | 2018-06-13 | 2018-11-20 | 山东威高集团医用高分子制品股份有限公司 | A kind of air force medical fluid conveying device |
| CN209557379U (en) * | 2019-01-03 | 2019-10-29 | 杨斌堂 | Automatic self-sufficiency device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2474709B (en) * | 2009-10-23 | 2016-02-03 | Ultramo Ltd | A heat engine |
| EP3019213A4 (en) * | 2013-07-11 | 2017-03-01 | Bayer Healthcare LLC | Fluid container displacement pump |
-
2019
- 2019-01-03 CN CN201910005787.3A patent/CN109611412B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837229A (en) * | 2018-06-13 | 2018-11-20 | 山东威高集团医用高分子制品股份有限公司 | A kind of air force medical fluid conveying device |
| CN209557379U (en) * | 2019-01-03 | 2019-10-29 | 杨斌堂 | Automatic self-sufficiency device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109611412A (en) | 2019-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150113976A1 (en) | Actuator device and method for setting a position of a linearly movable element | |
| CN109538552B (en) | Fluid passage driving device and combined structure | |
| CN102581854B (en) | Piezoelectric driving micro gripper | |
| Winkler | Recent advances in digital hydraulic components and applications | |
| CN201705743U (en) | Long-stroke precise stepping driver | |
| CN108847781B (en) | Large-stroke actuator based on piezoelectric ceramic drive | |
| US9285056B2 (en) | Electropneumatic field device | |
| CA2488481C (en) | Uni-body piezoelectric motor | |
| US8991169B2 (en) | Method for adapting stiffness in a variable stiffness actuator | |
| CN101354052A (en) | Piezoelectric hydraulic linear motor | |
| CN109611412B (en) | Automatic self-supporting device | |
| CN111306118B (en) | Active flow distribution type electromagnetic direct-drive hydrostatic actuation system | |
| US6886331B2 (en) | Magnetohydraulic motor | |
| JP2002213405A (en) | Motor driven actuator having hydraulic power amplification | |
| CN109555749B (en) | Multi-tube self-supporting device | |
| EP0529796B1 (en) | Missile control fin actuator system | |
| CN209469633U (en) | Fluid passage driving device and composite structure | |
| CN209557379U (en) | Automatic self-sufficiency device | |
| US10007278B2 (en) | Pneumatic valve and use thereof for a connected consumer | |
| CN116292811A (en) | Ultra-precise execution system and multidimensional motion integrated platform | |
| CN109519442B (en) | Single tube self-feeding device | |
| CN108582774B (en) | Space positioning and pointing actuating system, 3D printer and printing method | |
| Zhou et al. | Linear piezo-actuator and its applications | |
| Nayak et al. | Position Control of a Double Acting Hydraulic Cylinder Using Piezo-Hydraulic Drive System | |
| Ashouri et al. | A ferrofluidic piston micropump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |