CN108278325B - Large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet - Google Patents
Large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet Download PDFInfo
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- CN108278325B CN108278325B CN201810026349.0A CN201810026349A CN108278325B CN 108278325 B CN108278325 B CN 108278325B CN 201810026349 A CN201810026349 A CN 201810026349A CN 108278325 B CN108278325 B CN 108278325B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
- F16F15/0275—Control of stiffness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/06—Fluid filling or discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/18—Control arrangements
- F16F2230/186—Control arrangements with manual adjustments
Abstract
The invention discloses a large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet, which comprises: a switching zone and a diagnostic zone; the switch area comprises a main opening button (ON), a main closing button (OFF), a pressure regulating button and an instrument panel, wherein the main opening button (ON) is used for integrally inflating three groups of springs of the air floatation platform; the general closing button (OFF) is used for stopping the integral inflation of the three groups of springs of the air floating platform, and the pressure regulating button is used for integrally setting and regulating the air pressure values of the three groups of springs; the diagnosis area comprises three groups of exhaust buttons and an instrument panel, the three groups of exhaust buttons respectively perform independent exhaust control on three groups of air sources, and each group of exhaust buttons comprises a high (H), medium (M) and low (L) three-gear exhaust button according to an exhaust speedometer.
Description
Technical Field
The invention relates to the technical field of vibration control, in particular to a large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet.
Background
At present, aiming at vibration isolation control of a large-scale high-precision air-floating platform, manual work is mostly adopted to inflate, debug, overhaul and the like a platform damping spring, time and labor are consumed, efficiency is low, or some simple control systems are used for control, but the vibration isolation control lacks a matched fault diagnosis auxiliary function. To summarize, the conventional engineering methods have the following drawbacks:
(1) and no matched control cabinet is provided, so that management and control are not convenient. Manual control methods have many problems. Firstly, the manual method for controlling the vibration isolation platform needs to charge and discharge air springs one by one and debug the air springs one by one, which wastes time and labor and has low efficiency; secondly, errors caused by human factors inevitably exist in artificial control, and the accuracy is not easy to control; and finally, when the platform fails, the platform is not easy to overhaul and check errors.
(2) And the auxiliary function of fault diagnosis is lacked. The existing control system lacks a matched fault diagnosis auxiliary function, great inconvenience is brought to system maintenance, fault diagnosis sometimes needs to check each group of springs, data under different air pressures are recorded, repeated testing and comparison are carried out, a manual method is not troublesome, sometimes, due to one-step error in the diagnosis process, test data is wasted, problems cannot be found out in time, efficiency is low, and errors are prone to occur.
Therefore, a new vibration control technology is needed for integrated control of large-scale high-precision passive air-floating vibration isolation platforms.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a large high-precision passive air-floating vibration isolation platform integrated control system, which mainly aims at the efficiency problem of the large high-precision passive air-floating vibration isolation platform vibration control system in the air spring air charging and discharging control and fault diagnosis processes, provides a refined operation control cabinet of a high-efficiency integrated vibration control system by comprehensively considering the factors of stable lifting of an air floating platform, convenient air charging and discharging operation, high air pressure control refinement degree and the like and setting two parts of a switch area (air charging and discharging) and a diagnosis area (staged air discharging) for independent control through reasonable layout and framework of an air source pipeline system.
According to an aspect of the invention, a large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet is provided, which comprises:
a switching zone and a diagnostic zone;
the switch area comprises a main opening button (ON), a main closing button (OFF), a pressure regulating button and an instrument panel, wherein the main opening button (ON) is used for integrally inflating three groups of springs of the air floatation platform; the general closing button (OFF) is used for stopping the integral inflation of the three groups of springs of the air floating platform, and the pressure regulating button is used for integrally setting and regulating the air pressure values of the three groups of springs;
the diagnosis area comprises three groups of exhaust buttons and an instrument panel, the three groups of exhaust buttons respectively perform independent exhaust control on three groups of air sources, and each group of exhaust buttons comprises a high (H), medium (M) and low (L) three-gear exhaust button according to an exhaust speedometer.
According to another aspect of the invention, there is provided an air floating vibration isolation platform control system, comprising the control cabinet, the air floating platform, an air supply system and a filtering system according to claim 1,
the air floatation platform comprises three groups of springs, wherein the first group of springs are communicated with a main opening button (ON) and a main closing button (OFF) through an inflation tube I, the second group of springs are communicated with the main opening button (ON) and the main closing button (OFF) through an inflation tube II, and the third group of springs are communicated with the main opening button (ON) and the main closing button (OFF) through an inflation tube I II;
the air supply system is connected with the control cabinet through a filtering system and supplies air to the air floatation platform through a total opening button (ON) and a total closing button (OFF);
the three groups of exhaust buttons are respectively communicated with the inflation tube I, the inflation tube II and the inflation tube II I through an exhaust tube I, an exhaust tube I I and an exhaust tube I II to control the exhaust of the three groups of springs of the air floating platform.
According to an embodiment of the present invention, the air-floating vibration isolation platform control system further comprises switch valves disposed on the inflation tube I, the inflation tube II and the inflation tube III, for example, the switch valves may be solenoid valves for controlling the on/off of the inflation tubes. For example, when exhausting, each switch valve is closed to ensure the independent work of each exhaust pipe and prevent air leakage.
The large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet comprises two core parts, wherein the first part is a switch area, and three groups of air springs are simultaneously, quickly and stably inflated and exhausted by setting an expected air pressure value and utilizing a main switch; the second part is a diagnosis area, which can independently exhaust three groups of air springs, and the exhaust control is divided into three stages of high (H), medium (M) and low (L) for finely adjusting the air pressure of each group of air springs under different working conditions or assisting the performance fault diagnosis of the vibration control system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other technical solutions can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an air-floating vibration isolation platform control system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
Fig. 1 is a schematic structural flow diagram of an air-floating vibration isolation platform control system according to an embodiment of the invention.
Referring to fig. 1, the air-floating vibration isolation platform control system of the present invention includes three zones: an air floatation platform arrangement area A, an air source pipeline arrangement area B and an air floatation control cabinet management area C.
The air floating platform arrangement area mainly comprises an air floating platform, the air floating platform comprises a high-rigidity platform and three groups of inflatable springs, and a viscous damper is arranged on each spring group. The basic structure of the air bearing platform is well known to those skilled in the art and will not be described in detail herein.
The first group of springs are communicated with a main ON button (ON) and a main OFF button (OFF) through an inflation tube I, the second group of springs are communicated with the main ON button (ON) and the main OFF button (OFF) through an inflation tube II, and the third group of springs are communicated with the main ON button (ON) and the main OFF button (OFF) through an inflation tube II I.
The gas source line arrangement area is mainly used for arranging various gas path pipes, such as a gas filling pipe I, a gas filling pipe II, and a gas filling pipe II I, and a gas exhaust pipe I, a gas exhaust pipe II, and a gas exhaust pipe III, which are shown in the figure. The exhaust pipe I, the exhaust pipe I I and the exhaust pipe I I are respectively communicated with the inflation pipe I, the inflation pipe II and the inflation pipe III.
The switch valves on the inflation tube I, the inflation tube II and the inflation tube I II, which may be solenoid valves or suitable valves thereof, for example, are used to control the on/off of the inflation tubes. For example, when exhausting, each switch valve is closed to ensure the independent work of each exhaust pipe and prevent air leakage.
And the exhaust pipe I, the exhaust pipe II and the exhaust pipe I II are respectively communicated with the three groups of exhaust buttons I, II and III of the large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet.
As shown in the figure, the air-floating control cabinet management area comprises a large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet (namely, an air-floating control cabinet), an air supply system and a filtering system.
The air floatation control cabinet is divided into two parts: a switching zone and a diagnostic zone. The switch area is used for integrally inflating the three groups of springs of the air floating platform and adjusting the overall air pressure; the diagnosis area is used for carrying out auxiliary diagnosis control on the three groups of gas sources.
More specifically, the switch area comprises a main switch button (ON), a main switch button (OFF), a pressure regulating button and an instrument panel, and the three groups of springs of the air floatation platform are respectively inflated integrally, stopped to be inflated and the air pressure values of the three groups of springs are integrally set and regulated, so that the air floatation platform is good in consistency, small in deviation and high in efficiency. That is, the total ON button (ON) and the total OFF button (OFF) are respectively communicated with the first group of springs, the second group of springs and the third group of springs through the inflation tube I, the inflation tube II and the inflation tube III and control inflation.
Referring to fig. 1, the air supply system is connected to the control cabinet via a filter system and supplies air to the air flotation platform through a master ON button (ON) and a master OFF button (OFF). Such air supply systems and filtration systems are well known to those skilled in the art and are not described in detail herein.
The three groups of exhaust buttons are communicated with one another through an inflation tube I, an inflation tube I I and an inflation tube I II to control the exhaust of the three groups of springs of the air floatation platform.
The dashboard is used to display various parameters such as pressure, etc.
The diagnosis area comprises three groups of exhaust buttons and an instrument panel, the three groups of exhaust buttons respectively perform independent exhaust control on three groups of air sources, and each group of exhaust buttons comprises a high (H), medium (M) and low (L) three-gear exhaust button according to an exhaust speedometer.
As shown in FIG. 1, the first set of venting buttons includes T-I-H, T-I-M and T-I-L for controlling the venting of the first set of springs; the second set of venting buttons includes T-I I-H, T-I I-M and T-II-L for controlling the venting of the second set of springs; the third set of venting buttons includes T-III-H, T-III-M and T-II I-L for controlling venting of the third set of springs.
The dashboard is used to display various parameters such as flow rate, etc.
In one embodiment of the invention, three sets of air supply high, medium and low three shift venting buttons (9 in total). The auxiliary control to the system can be realized, including carrying out exhaust control respectively to three air supplies of group, the exhaust button divides into high (H), well (M), low (L) third gear, carries out accurate control to three air springs of group, satisfies different operating mode demands.
More specifically, the exhaust button may be divided into three stages, high, medium and low, according to the exhaust speed, and the three stages may be set, for example, with reference to the exhaust speed of various operating conditions of the related art. The high range exhaust speed may be set higher than the prior art exhaust speed, the mid range exhaust speed equal to the prior art exhaust speed, and the low range exhaust speed lower than the prior art exhaust speed.
Three groups of air sources in the diagnosis area of the control cabinet are independently arranged for exhaust, and the exhaust is controlled in a grading manner, so that fault diagnosis of the system is facilitated. Through the setting of exhaust air pressure, each group of spring parameters under different air pressures are tested and compared, so that problems are eliminated and diagnosed, and the method is simple and easy to operate. For example, the data of the exhaust speed and the exhaust amount under various working conditions can be recorded, the data are analyzed and collated, a related database is established, the distribution rule of the stiffness and the damping of the air spring about the change of the air pressure is summarized, and the diagnosis process is quantitatively guided.
The invention has the following advantages:
(1) the air floatation platform is controlled to be started or closed in working state, and the whole air floatation platform is quickly inflated and exhausted. The invention adopts an integral quick charging and exhausting mode, and carries out charging and exhausting operation on the air floating type vibration isolation platform through three groups of charging pipes and three groups of exhaust pipes respectively. After the rated air pressure value is set, a main switch button (ON) is pressed to start inflation or exhaust, and when the vibration isolation platform reaches the rated air pressure, a main switch (OFF) is pressed to stop inflation. The whole control mode is simple and the operation is convenient.
(2) The inflation nominal pressure value can be set according to the characteristic requirement. The control cabinet is integrated with a pressure stabilizing regulator, and can regulate a pressure stabilizing regulating button to a rated air pressure according to an air pressure value required by the design power characteristics of the air floating type vibration isolation platform, and then press a master switch button to inflate or exhaust until the designed air pressure value.
(3) The exhaust may be controlled independently of the packet gas sources. The control cabinet air floatation control cabinet management area is provided with three groups of exhaust control buttons, the group of buttons are connected with corresponding air springs in the air floatation platform through three groups of independent exhaust pipes, and exhaust can be independently controlled for grouped air sources by adjusting the air pressure values of the air springs through the buttons.
(4) The grouping exhaust volume is divided into three grades, namely high grade, medium grade and low grade, which is beneficial to auxiliary fault diagnosis. The independent exhaust button of the control cabinet is divided into three stages, namely high, medium and low, which is beneficial to multi-working condition and multi-target test comparison, and is convenient for accurately finding the distribution rule of the air spring rigidity and damping about the air pressure change and quantitatively guiding the diagnosis process.
In the description herein, references to the description of the terms "one example," "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the example or example is included in at least one example or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A large-scale high accuracy passive air supporting formula vibration isolation platform integrated control cabinet includes:
a switching zone and a diagnostic zone;
the switch area comprises a main opening button (ON), a main closing button (OFF), a pressure regulating button and an instrument panel, wherein the main opening button (ON) is used for integrally inflating three groups of springs of the air floatation platform; the general closing button (OFF) is used for stopping the integral inflation of the three groups of springs of the air floating platform, and the pressure regulating button is used for integrally setting and regulating the air pressure values of the three groups of springs;
the diagnosis area is used for carrying out auxiliary diagnosis control on three groups of air sources and comprises three groups of exhaust buttons and an instrument panel, the three groups of exhaust buttons are used for respectively carrying out independent exhaust control on the three groups of air sources, and each group of exhaust buttons comprises a high (H), a medium (M) and a low (L) three-gear exhaust button according to an exhaust speedometer.
2. An air-bearing vibration isolation platform control system comprising the control cabinet, air-bearing platform, air supply system and filtration system of claim 1,
the air floatation platform comprises three groups of springs, wherein the first group of springs are communicated with a main opening button (ON) and a main closing button (OFF) through an inflation tube I, the second group of springs are communicated with the main opening button (ON) and the main closing button (OFF) through an inflation tube II, and the third group of springs are communicated with the main opening button (ON) and the main closing button (OFF) through an inflation tube III;
the air supply system is connected with the control cabinet through a filtering system and supplies air to the air floatation platform through a total opening button (ON) and a total closing button (OFF);
and the three groups of exhaust buttons are respectively communicated with the inflation tube I, the inflation tube II and the inflation tube III through an exhaust tube I, an exhaust tube II and an exhaust tube III to control the exhaust of the three groups of springs of the air floating platform.
3. The air-floating vibration isolation platform control system according to claim 2, further comprising switch valves disposed on the inflation tube I, the inflation tube II and the inflation tube III.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026349.0A CN108278325B (en) | 2018-01-11 | 2018-01-11 | Large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet |
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| CN201810026349.0A CN108278325B (en) | 2018-01-11 | 2018-01-11 | Large-scale high-precision passive air-floating vibration isolation platform integrated control cabinet |
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| CN108278325B true CN108278325B (en) | 2020-08-28 |
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| CN109406119B (en) * | 2018-10-23 | 2021-01-15 | 广东邦达实业有限公司 | Dynamic characteristic matching test bed for air spring vibration isolation foot pad of compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980000055A1 (en) * | 1978-06-19 | 1980-01-24 | Asahitrans Co Ltd | Automatic digital blood pressure measurement system |
| JP2005061588A (en) * | 2003-08-20 | 2005-03-10 | Kurashiki Kako Co Ltd | Active vibration control device for vibration isolating table and its control gain setting method |
| CN106763464A (en) * | 2017-03-02 | 2017-05-31 | 江苏大学 | A kind of active air vibration isolation unit for micro-vibration technology |
| CN206545668U (en) * | 2016-09-14 | 2017-10-10 | 中国电子工程设计院 | A kind of air spring vibration isolation platform control system |
| CN108036019A (en) * | 2017-11-27 | 2018-05-15 | 中国电子工程设计院 | The height levelling control system and method for a kind of air spring vibration isolation platform |
-
2018
- 2018-01-11 CN CN201810026349.0A patent/CN108278325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980000055A1 (en) * | 1978-06-19 | 1980-01-24 | Asahitrans Co Ltd | Automatic digital blood pressure measurement system |
| JP2005061588A (en) * | 2003-08-20 | 2005-03-10 | Kurashiki Kako Co Ltd | Active vibration control device for vibration isolating table and its control gain setting method |
| CN206545668U (en) * | 2016-09-14 | 2017-10-10 | 中国电子工程设计院 | A kind of air spring vibration isolation platform control system |
| CN106763464A (en) * | 2017-03-02 | 2017-05-31 | 江苏大学 | A kind of active air vibration isolation unit for micro-vibration technology |
| CN108036019A (en) * | 2017-11-27 | 2018-05-15 | 中国电子工程设计院 | The height levelling control system and method for a kind of air spring vibration isolation platform |
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