CN113296556A - Automatic air filling intelligent control system and method - Google Patents
Automatic air filling intelligent control system and method Download PDFInfo
- Publication number
- CN113296556A CN113296556A CN202110728695.5A CN202110728695A CN113296556A CN 113296556 A CN113296556 A CN 113296556A CN 202110728695 A CN202110728695 A CN 202110728695A CN 113296556 A CN113296556 A CN 113296556A
- Authority
- CN
- China
- Prior art keywords
- control valve
- gas pressure
- valve device
- air
- gas
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 7
- 210000003437 trachea Anatomy 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of test equipment, and particularly relates to an automatic gas filling intelligent control system which comprises a first gas pressure device, a second gas pressure device, a first control valve device, a second control valve device, a telescopic device, a gas pressure sensing device and a control device, wherein the first gas pressure device and the first control valve device are communicated sequentially through a gas pipe, the second gas pressure device, the second control valve device and the telescopic device are communicated sequentially through the gas pipe, the output end of the telescopic device is connected with a switch of the first control valve device, the gas pressure sensing device is connected in series on an output pipe of the first control valve device, and the gas pressure sensing device and the second control valve device are electrically connected with the control device. The full-automatic intelligent gas filling production is realized, the gas filling mode of controlling high-speed airflow by low-speed airflow is realized, and the production efficiency is greatly improved. In addition, an automatic air filling intelligent control method is further disclosed, so that the working stability and efficiency of the automatic air filling intelligent control method are improved.
Description
Technical Field
The invention belongs to the technical field of test equipment, and particularly relates to an automatic air-filling intelligent control system and method.
Background
In many testing machines, it is necessary to test the performance of a product by means of air injection.
In the prior art, the test machine has a single air filling mode, cannot realize different air filling modes, and cannot provide guidance for research and development and production.
In conclusion, the related art has defects and needs to be improved.
Disclosure of Invention
One of the objects of the present invention is: aiming at the defects of the prior art, the automatic air filling intelligent control system is provided, so that automatic control and multi-mode air filling production are realized, and the production efficiency is greatly improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic irritate gas intelligent control system, includes first gas pressure device, second gas pressure device, first control valve device, second control valve device, telescoping device, atmospheric pressure sensing device and controlling means, first gas pressure device first control valve device loops through the trachea intercommunication, the second gas pressure device second control valve device with the telescoping device passes through the trachea intercommunication, the output of telescoping device with the switch of first control valve device is connected, atmospheric pressure sensing device establish ties in on the output tube of first control valve device, atmospheric pressure sensing device second control valve device all with the controlling means electricity is connected. In operation, the first gas pressure device generates a high velocity gas flow; the high-speed airflow flows through the first control valve device and then leads to the use end for air filling; meanwhile, the air pressure sensing device monitors the air pressure of the high-speed air flow leading to the using end in real time and transmits information to the control device in real time; the control device processes the information and controls the work of the second control valve device according to the processing result; at the same time, the second gas pressure device generates a low-speed gas flow; the low-speed airflow passes through the second control valve device and then is led to the telescopic device; the telescopic device drives the first control valve device to move on and off, so that the flow of the high-speed air flow passing through the telescopic device is adjusted, and the air filling mode is further adjusted; therefore, full-automatic intelligent air filling production is realized, an air filling mode of controlling high-speed airflow by low-speed airflow is realized, and the production efficiency is greatly improved.
As an improvement of the automatic gas filling intelligent control system, the output power of the first gas pressure device is greater than the output power of the second gas pressure device. The structure design is beneficial to realizing the air filling mode of controlling the high-speed airflow by the low-speed airflow.
As an improvement of the automatic gas filling intelligent control system, the first gas pressure device and the second gas pressure device are air compressors. Besides, the first gas pressure device and the second gas pressure device can be other devices which can achieve the same effect and can be flexibly arranged according to actual conditions.
As an improvement of the automatic air-filling intelligent control system, the first control valve device is a pressure reducing valve. Besides, the first control valve device can be other devices which can achieve the same effect, and can be flexibly arranged according to actual conditions.
As an improvement of the automatic air-filling intelligent control system, the second control valve device is a proportional valve. Besides, the second control valve device can be other devices which can achieve the same effect and can be flexibly arranged according to actual conditions.
As an improvement of the automatic air filling intelligent control system, the air pressure sensing device is a pressure sensor. Besides, the air pressure sensing device can be other devices capable of achieving the same effect, and can be flexibly arranged according to actual conditions.
As an improvement of the automatic air filling intelligent control system, the control device is a PLC, a singlechip or an industrial personal computer. Besides, the control device can be other devices which can achieve the same effect, and can be flexibly set according to actual conditions.
The second purpose of the invention is: aiming at the defects of the prior art, the automatic air filling intelligent control method is also provided to improve the working stability and efficiency of the automatic air filling intelligent control method.
In order to achieve the aim, the invention provides an automatic air filling intelligent control method, which comprises the following steps:
s1, generating high-speed airflow by the first gas pressure device;
s2, leading the high-speed airflow to a using end after flowing through the first control valve device, and filling air;
s3, the air pressure sensing device monitors the air pressure of the high-speed air flow leading to the using end in real time and transmits information to the control device in real time;
s4, the control device processes the information and controls the operation of the second control valve device according to the processing result;
s5, generating low-speed airflow by the second gas pressure device;
s6, leading the low-speed airflow to the telescopic device after flowing through the second control valve device;
s7, the telescopic device drives the first control valve device to move on and off so as to adjust the size of a valve port of the first control valve device, so that the flow of high-speed air flow passing through the valve port is adjusted, and the air filling mode is adjusted;
wherein, step S1, step S3 and step S5 are performed simultaneously.
The invention has the beneficial effects that: in operation, the first gas pressure device generates a high velocity gas flow; the high-speed airflow flows through the first control valve device and then leads to the use end for air filling; meanwhile, the air pressure sensing device monitors the air pressure of the high-speed air flow leading to the using end in real time and transmits information to the control device in real time; the control device processes the information and controls the work of the second control valve device according to the processing result; at the same time, the second gas pressure device generates a low-speed gas flow; the low-speed airflow passes through the second control valve device and then is led to the telescopic device; the telescopic device drives the first control valve device to move on and off, so that the flow of the high-speed air flow passing through the telescopic device is adjusted, and the air filling mode is further adjusted; therefore, full-automatic intelligent air filling production is realized, an air filling mode of controlling high-speed airflow by low-speed airflow is realized, and the production efficiency is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram in an embodiment of the present invention;
wherein: 1-a first gas pressure device; 2-a second gas pressure device; 3-a first control valve arrangement; 4-a second control valve arrangement; 5-a telescopic device; 6-air pressure sensing means; 7-control device.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1, an automatic gas filling intelligent control system comprises a first gas pressure device 1, a second gas pressure device 2, a first control valve device 3, a second control valve device 4, a telescopic device 5, a gas pressure sensing device 6 and a control device 7, wherein the first gas pressure device 1 is communicated with the first control valve device 3 through a gas pipe, the second gas pressure device 2, the second control valve device 4 and the telescopic device 5 are communicated through the gas pipe in sequence, the output end of the telescopic device 5 is connected with a switch of the first control valve device 3, the gas pressure sensing device 6 is connected with an output pipe of the first control valve device 3 in series, and the gas pressure sensing device 6 and the second control valve device 4 are electrically connected with the control device 7. In operation, the first gas pressure device 1 generates a high-speed gas flow; the high-speed airflow passes through the first control valve device 3 and then leads to a use end for air filling; meanwhile, the air pressure sensing device 6 monitors the air pressure of the high-speed air flow leading to the using end in real time and transmits the information to the control device 7 in real time; the control device 7 processes the information and controls the operation of the second control valve device 4 according to the processing result; at the same time, the second gas pressure means 2 generates a low-speed gas flow; the low-speed air flow passes through the second control valve device 4 and then leads to the expansion device 5; the expansion device 5 drives the first control valve device 3 to move on and off so as to adjust the size of a valve port of the first control valve device 3, thereby adjusting the flow of high-speed airflow passing through the expansion device and further adjusting the air filling mode; therefore, full-automatic intelligent air filling production is realized, an air filling mode of controlling high-speed airflow by low-speed airflow is realized, and the production efficiency is greatly improved.
Preferably, the output of the first gas pressure device 1 is greater than the output of the second gas pressure device 2. The structure design is beneficial to realizing the air filling mode of controlling the high-speed airflow by the low-speed airflow.
Preferably, the first gas pressure device 1 and the second gas pressure device 2 are air compressors. In addition, the first gas pressure device 1 and the second gas pressure device 2 may be other devices that can achieve the same effect, and may be flexibly set according to actual conditions.
Preferably, the first control valve means 3 is a pressure reducing valve. Besides, the first control valve device 3 may be another device capable of achieving the same effect, and may be flexibly set according to actual conditions.
Preferably, the second control valve means 4 is a proportional valve. Besides, the second control valve device 4 may be another device capable of achieving the same effect, and may be flexibly set according to actual conditions.
Preferably, the air pressure sensing device 6 is a pressure sensor. Besides, the air pressure sensing device 6 may be other devices capable of achieving the same effect, and may be flexibly set according to actual conditions.
Preferably, the control device 7 is a PLC, a single chip microcomputer or an industrial personal computer. Besides, the control device 7 may be another device capable of achieving the same effect, and may be flexibly set according to actual conditions.
The working principle of the invention is as follows: in operation, the first gas pressure device 1 generates a high-speed gas flow; the high-speed airflow passes through the first control valve device 3 and then leads to a use end for air filling; meanwhile, the air pressure sensing device 6 monitors the air pressure of the high-speed air flow leading to the using end in real time and transmits the information to the control device 7 in real time; the control device 7 processes the information and controls the operation of the second control valve device 4 according to the processing result; at the same time, the second gas pressure means 2 generates a low-speed gas flow; the low-speed air flow passes through the second control valve device 4 and then leads to the expansion device 5; the expansion device 5 drives the first control valve device 3 to move on and off, so that the flow of the high-speed air flow passing through the expansion device is adjusted, and the air filling mode is further adjusted; therefore, full-automatic intelligent air filling production is realized, an air filling mode of controlling high-speed airflow by low-speed airflow is realized, and the production efficiency is greatly improved.
Example 2
As shown in fig. 1, an embodiment 1 of an automatic inflation intelligent control method includes the following steps:
s1, generating high-speed airflow by the first gas pressure device 1;
s2, leading the high-speed airflow to a using end after flowing through the first control valve device 3, and filling air;
s3, the air pressure sensing device 6 monitors the air pressure of the high-speed air flow leading to the using end in real time and transmits the information to the control device 7 in real time;
s4, the control device 7 processes the information and controls the operation of the second control valve device 4 according to the processing result;
s5, generating low-speed airflow by the second gas pressure device 2;
s6, leading the low-speed airflow to the telescopic device 5 after flowing through the second control valve device 4;
s7, the telescopic device 5 drives the first control valve device 3 to move on and off so as to adjust the size of a valve port of the first control valve device 3, adjust the flow of high-speed air flow passing through the valve port and further adjust the air filling mode;
wherein, step S1, step S3 and step S5 are performed simultaneously.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides an automatic irritate gas intelligent control system which characterized in that: including first gas pressure device (1), second gas pressure device (2), first control valve device (3), second control valve device (4), telescoping device (5), atmospheric pressure sensing device (6) and controlling means (7), first gas pressure device (1) with first control valve device (3) pass through the trachea intercommunication, second gas pressure device (2) second control valve device (4) telescoping device (5) loop through the trachea intercommunication, the output of telescoping device (5) with the switch of first control valve device (3) is connected, atmospheric pressure sensing device (6) establish ties in on the output tube of first control valve device (3), atmospheric pressure sensing device (6) second control valve device (4) all with controlling means (7) electricity is connected.
2. The intelligent control system of automatically inflating as claimed in claim 1, wherein: the output of the first gas pressure device (1) is greater than the output of the second gas pressure device (2).
3. The intelligent control system of automatically inflating as claimed in claim 1, wherein: the first gas pressure device (1) and the second gas pressure device (2) are air compressors.
4. The intelligent control system of automatically inflating as claimed in claim 1, wherein: the first control valve device (3) is a pressure reducing valve.
5. The intelligent control system of automatically inflating as claimed in claim 1, wherein: the second control valve device (4) is a proportional valve.
6. The intelligent control system of automatically inflating as claimed in claim 1, wherein: the air pressure sensing device (6) is a pressure sensor.
7. The intelligent control system of automatically inflating as claimed in claim 1, wherein: the control device (7) is a PLC, a singlechip or an industrial personal computer.
8. An automatic air-filling intelligent control method, which is characterized by comprising the automatic air-filling intelligent control system according to any one of claims 1 to 7, and comprises the following specific steps:
s1, generating high-speed airflow by the first gas pressure device (1);
s2, leading the high-speed airflow to a using end after flowing through the first control valve device (3) for air filling;
s3, the air pressure sensing device (6) monitors the air pressure of the high-speed air flow leading to the using end in real time and transmits information to the control device (7) in real time;
s4, the control device (7) processes the information and controls the operation of the second control valve device (4) according to the processing result;
s5, generating low-speed airflow by the second gas pressure device (2);
s6, leading the low-speed airflow to the telescopic device (5) after flowing through the second control valve device (4);
s7, the telescopic device (5) drives the first control valve device (3) to move on and off so as to adjust the size of a valve port of the first control valve device (3), so that the flow of high-speed air flow passing through the valve port is adjusted, and the air filling mode is adjusted;
wherein, step S1, step S3 and step S5 are performed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728695.5A CN113296556A (en) | 2021-06-29 | 2021-06-29 | Automatic air filling intelligent control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728695.5A CN113296556A (en) | 2021-06-29 | 2021-06-29 | Automatic air filling intelligent control system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113296556A true CN113296556A (en) | 2021-08-24 |
Family
ID=77330047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110728695.5A Pending CN113296556A (en) | 2021-06-29 | 2021-06-29 | Automatic air filling intelligent control system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113296556A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4240758A1 (en) * | 1991-12-03 | 1993-06-09 | Olympus Optical Co., Ltd., Tokio/Tokyo, Jp | |
| US5954089A (en) * | 1998-04-17 | 1999-09-21 | Trw Inc. | Electromagnetic regulator utilizing alternate valve operating modes for gas pressure regulation |
| JP2003167630A (en) * | 2001-12-04 | 2003-06-13 | Ckd Corp | Flow rate controller and flow rate control method |
| JP2004100824A (en) * | 2002-09-10 | 2004-04-02 | Tatsuno Corp | Gas charging device |
| US20110100026A1 (en) * | 2009-10-29 | 2011-05-05 | Air Products And Chemicals, Inc. | Apparatus And Method For Providing A Temperature-Controlled Gas |
| CN203917971U (en) * | 2014-06-17 | 2014-11-05 | 苏州中央可锻有限公司 | Full-automatic high-pressure gas high speed counterweight system apparatus |
| EP2844531A1 (en) * | 2012-05-02 | 2015-03-11 | New Gas Industries, L.L.C. | Method and apparatus for compressing gas in a plurality of stages to a storage tank array having a plurality of storage tanks |
| CN104784792A (en) * | 2015-04-03 | 2015-07-22 | 深圳市科曼医疗设备有限公司 | Breathing machine and moisture removing air path system thereof |
| CN110108057A (en) * | 2019-05-15 | 2019-08-09 | 武汉华工正源光子技术有限公司 | Optical communication module temperature production device for testing and method based on vortex tube |
| CN110131149A (en) * | 2019-05-17 | 2019-08-16 | 大唐半导体科技有限公司 | Air compressor machine and its barostat |
| US20210038855A1 (en) * | 2018-12-05 | 2021-02-11 | Aires Medical LLC | Mechanical ventilator with oxygen concentrator |
| CN112728410A (en) * | 2020-12-31 | 2021-04-30 | 湖南理工学院 | Method and equipment for accurately controlling natural gas hydrogen-loading ratio |
| CN215117282U (en) * | 2021-06-29 | 2021-12-10 | 东莞市正文机械有限公司 | Automatic gas filling intelligent control system |
-
2021
- 2021-06-29 CN CN202110728695.5A patent/CN113296556A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4240758A1 (en) * | 1991-12-03 | 1993-06-09 | Olympus Optical Co., Ltd., Tokio/Tokyo, Jp | |
| US5954089A (en) * | 1998-04-17 | 1999-09-21 | Trw Inc. | Electromagnetic regulator utilizing alternate valve operating modes for gas pressure regulation |
| JP2003167630A (en) * | 2001-12-04 | 2003-06-13 | Ckd Corp | Flow rate controller and flow rate control method |
| JP2004100824A (en) * | 2002-09-10 | 2004-04-02 | Tatsuno Corp | Gas charging device |
| US20110100026A1 (en) * | 2009-10-29 | 2011-05-05 | Air Products And Chemicals, Inc. | Apparatus And Method For Providing A Temperature-Controlled Gas |
| EP2844531A1 (en) * | 2012-05-02 | 2015-03-11 | New Gas Industries, L.L.C. | Method and apparatus for compressing gas in a plurality of stages to a storage tank array having a plurality of storage tanks |
| CN203917971U (en) * | 2014-06-17 | 2014-11-05 | 苏州中央可锻有限公司 | Full-automatic high-pressure gas high speed counterweight system apparatus |
| CN104784792A (en) * | 2015-04-03 | 2015-07-22 | 深圳市科曼医疗设备有限公司 | Breathing machine and moisture removing air path system thereof |
| US20210038855A1 (en) * | 2018-12-05 | 2021-02-11 | Aires Medical LLC | Mechanical ventilator with oxygen concentrator |
| CN110108057A (en) * | 2019-05-15 | 2019-08-09 | 武汉华工正源光子技术有限公司 | Optical communication module temperature production device for testing and method based on vortex tube |
| CN110131149A (en) * | 2019-05-17 | 2019-08-16 | 大唐半导体科技有限公司 | Air compressor machine and its barostat |
| CN112728410A (en) * | 2020-12-31 | 2021-04-30 | 湖南理工学院 | Method and equipment for accurately controlling natural gas hydrogen-loading ratio |
| CN215117282U (en) * | 2021-06-29 | 2021-12-10 | 东莞市正文机械有限公司 | Automatic gas filling intelligent control system |
Non-Patent Citations (1)
| Title |
|---|
| 张建灿: "燃料电池空压机测试平台及供气系统的控制策略研究", 《中国优秀博硕士学位论文全文数据库 (硕士)工程科技Ⅱ辑》, no. 08, 15 August 2005 (2005-08-15), pages 042 - 219 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215117282U (en) | Automatic gas filling intelligent control system | |
| CN201740832U (en) | Integrated detection device of cab electrical appliance | |
| CN113296556A (en) | Automatic air filling intelligent control system and method | |
| CN106218846B (en) | A kind of ship air bag vibration isolation device height regulation and control system and its method | |
| CN206074094U (en) | A kind of whole machine self-checking device of gas meter, flow meter | |
| CN208207166U (en) | A kind of permanent magnet synchronous servo motor driving test platform device | |
| CN208284557U (en) | A kind of lithium battery pole slice rapid cooling system | |
| CN205844932U (en) | Cold temperature control system in a kind of integrated-type | |
| CN214426928U (en) | Indoor quick inflation hanging and pressing integrated device | |
| CN203074682U (en) | Calibration device of sphygmomanometer | |
| CN209970474U (en) | Intelligent control system of automatic polishing machine | |
| CN104960399B (en) | A kind of electric air-conditioning control system | |
| CN100554514C (en) | A kind of apparatus and method of reaction chamber pressure control | |
| CN109000912B (en) | Pneumatic muscle fatigue life test evaluation system | |
| CN209496298U (en) | A kind of High aititude, low temperature environment electric control gear intelligent environment regulator control system | |
| CN102717702B (en) | A kind of cooling method of automobile motor system and device | |
| CN208858677U (en) | A kind of Weighting system and process equipment | |
| CN111800906A (en) | Control circuit and control method for detecting light source parameters | |
| CN207683260U (en) | The sliding mode control apparatus of automobile electrically-controlled air suspension | |
| CN212327965U (en) | Gas mixing equipment | |
| CN207198587U (en) | Motion platform based on pneumatics | |
| CN205140346U (en) | Pulmonary respiration simulator | |
| CN220562703U (en) | Tire accurate inflation device | |
| CN110487530A (en) | A kind of pressure reducer Dynamic performance examination system and device | |
| CN109656178A (en) | A kind of synchronous driving method of multiaxis softening and system |
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 |