CN113027542A - Air compressor starts number of times recorder - Google Patents
Air compressor starts number of times recorder Download PDFInfo
- Publication number
- CN113027542A CN113027542A CN202110347880.XA CN202110347880A CN113027542A CN 113027542 A CN113027542 A CN 113027542A CN 202110347880 A CN202110347880 A CN 202110347880A CN 113027542 A CN113027542 A CN 113027542A
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- Prior art keywords
- air compressor
- module
- power generation
- generation module
- current detection
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/17—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention belongs to the technical field of air compressors and discloses an air compressor starting time recording device which comprises a power generation module, wherein the power generation module is fixed on the outer side of an air compressor shell and generates power by utilizing air flow of the air compressor; the current detection module is fixed on a power line of the air compressor and electrically connected with the power generation module, and is used for detecting the current of the air compressor; the display module is configured to display the number of times of starting the air compressor according to the detection data of the current detection module. According to the air compressor starting frequency recording device provided by the invention, the power generation module is fixed on the outer side of the air compressor shell and generates power by utilizing the airflow of the air compressor, so that power is supplied to the current detection module, a battery is not required to be arranged for supplying power to the current detection module, the power consumption is saved, and the display module accurately displays the starting frequency of the air compressor according to the detection data of the current detection module. The device is convenient to install, small in size and free of occupying space in the compressor shell.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to a starting time recording device of an air compressor.
Background
The pneumatic circuit breaker of transformer substation needs air compressor to provide compressed air, can lead to air compressor frequent start when circuit breaker mechanism or air pipeline appear leaking gas, and the staff need judge the defect grade of equipment according to air compressor's the number of times of starting.
However, the existing air compressor of the substation only records the starting time, and the equipment defect level needs to be graded according to the starting times of the air compressor. In order to solve the problem, a conventional method is to connect a counter in series in a power supply circuit in a control box of the air compressor to increase the function of recording the starting times, but the control box of the air compressor has a small space, so that the counter is inconvenient to install, and when the counter is installed, the air compressor needs to be powered off, so that the air compressor cannot supplement compressed air in time.
Disclosure of Invention
The invention aims to provide a starting time recording device of an air compressor, which is arranged on the outer side of a shell of the air compressor and does not need to power off the air compressor.
In order to achieve the purpose, the invention adopts the following technical scheme: an air compressor startup time recording device comprising:
the power generation module is fixed on the outer side of the shell of the air compressor and generates power by utilizing the air flow of the air compressor;
the current detection module is fixed on a power line of the air compressor, electrically connected with the power generation module and used for detecting the current of the air compressor;
a display module configured to display the number of starts of the air compressor according to the detection data of the current detection module.
Preferably, the power generation module comprises a magnetic fixing seat, the magnetic fixing seat is fixed on a shell of the power generation module, and the power generation module is fixed on the outer side of the shell of the air compressor through the magnetic fixing seat in a magnetic attraction manner.
Preferably, the housing of the power generation module is attached to an outer side of the air compressor housing.
Preferably, the display module comprises an ink display screen, and the ink display screen is used for displaying the starting times of the air compressor.
Preferably, the power generation module includes a generator fixed to a housing of the power generation module, the generator generating power by using the air flow of the air compressor.
Preferably, the power generation module further comprises a control module, the control module is fixed on the shell of the power generation module, the control module is electrically connected with the power generator, the control module is electrically connected with the current detection module, the control module is electrically connected with the ink display screen, the control module is used for receiving electric energy of the power generator to supply power to the current detection module and the ink display screen, and the control module calculates the starting times of the air compressor according to current data detected by the current detection module and transmits the starting times to the ink display screen.
Preferably, the power generation module further comprises a front cover and a back cover, and the front cover and the back cover are both fixed on the housing of the power generation module.
As preferred, the current detection module includes the clamp subassembly, the clamp subassembly includes clamp and lower clamp, the one end of going up the clamp rotate connect in the clamp down, the other end joint of going up the clamp in the clamp down, the current detection module passes through the clamp subassembly is fixed on air compressor's the power cord.
Preferably, the generator is fixedly provided with a plurality of blades.
Preferably, the current detection device further comprises a data line, and two ends of the data line are electrically connected with the control module and the current detection module respectively.
The invention has the beneficial effects that: according to the air compressor starting frequency recording device provided by the invention, the power generation module is fixed on the outer side of the air compressor shell and generates power by utilizing the airflow of the air compressor, so that power is supplied to the current detection module, a battery is not required to be arranged for supplying power to the current detection module, the power consumption can be saved, and the display module can accurately display the starting frequency of the air compressor according to the detection data of the current detection module. The device is convenient to install, small in size and free of occupying space in the compressor shell.
Drawings
FIG. 1 is a schematic view of an air compressor start-up count recording apparatus of the present invention;
FIG. 2 is a first schematic view of a power generation module of the present invention;
FIG. 3 is a second schematic view of a power generation module of the present invention;
FIG. 4 is a schematic diagram of a current sense module of the present invention;
fig. 5 is a schematic diagram of a data line of the present invention.
In the figure: 1. a power generation module; 11. a housing; 12. a magnetic fixing seat; 13. a generator; 131. a blade; 14. a control module; 15. a face mask; 151. a wire slot; 16. a back mask; 17. a first data interface; 171. a first metal terminal; 2. a current detection module; 21. a clamp assembly; 211. an upper hoop; 212. a lower hoop; 213. a rotating shaft; 22. a second data interface; 221. a second metal terminal; 3. a display module; 31. an ink display screen; 4. a data line; 41. a conductive metal via.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The starting frequency recording device of the air compressor provided by the invention is arranged on the outer side of the shell of the air compressor, and the power failure of the air compressor is not required. The above-mentioned starting time recording device of the air compressor of the present invention will be described with reference to the following embodiments.
Example 1
As shown in fig. 1 to fig. 5, the device for recording the number of times of starting the air compressor provided in this embodiment includes a power generation module 1, a current detection module 2 and a display module 3. The power generation module 1 is fixed on the outer side of the shell of the air compressor, the power generation module 1 can generate power by utilizing the air flow of the air compressor so as to supply power to the current detection module 2, a battery is not required to be arranged to supply power to the current detection module 2, the power consumption can be saved, and particularly, the power generation module 1 can be fixed on a wind guide protection net of the air compressor; the current detection module 2 is fixed on a power line of the air compressor, the current detection module 2 is electrically connected with the power generation module 1, and the current detection module 2 is used for detecting the current of the air compressor; the display module 3 is configured to accurately display the starting times of the air compressor according to the detection data of the current detection module 2, and the device is convenient to install, small in size and does not occupy the space in the shell of the compressor.
In this embodiment, as shown in fig. 2 and fig. 3, the power generation module 1 includes a housing 11 and a magnetic fixing base 12, the magnetic fixing base 12 is fixed on the housing 11 of the power generation module 1, for example, the magnetic fixing base 12 may be fixed on the power generation module 1 by adhering, so as to facilitate operation. The power generation module 1 is fixed on the outer side of the air compressor shell through the magnetic fixing seat 12, so that the power generation module 1 can be conveniently dismounted. It can be understood that the shape of the magnetic fixing base 12 is adapted to the shape of the air guiding protective net of the air compressor, for example, the shape of the protective net of the air compressor is circular, and the shape of the magnetic fixing base 12 can be arc-shaped, which is beneficial to the magnetic attraction fixing of the magnetic fixing base 12.
As a preferable technical solution, as shown in fig. 2 and 3, the power generation module 1 further includes a generator 13, the generator 13 is fixed on the housing 11 of the power generation module 1, and the generator 13 can generate power by using the air flow of the air compressor. Further, the generator 13 is fixedly provided with a plurality of blades 131, which is beneficial for the generator 13 to generate electricity by using the air flow.
In this embodiment, as shown in fig. 2 and fig. 3, the power generation module 1 further includes a control module 14, the control module 14 is fixed on the housing 11 of the power generation module 1, the control module 14 is electrically connected to the generator 13 and is configured to receive electric energy of the generator 13, and the control module 14 is electrically connected to the current detection module 2 and is configured to supply power to the current detection module 2.
In this embodiment, as shown in fig. 2 and 3, in order to facilitate the circulation of the air flow and protect the generator 13, the power generation module 1 further includes a front cover 15 and a back cover 16, both the front cover 15 and the back cover 16 are fixed on the housing 11 of the power generation module 1, and specifically, the front cover 15 and the back cover 16 may be respectively located at the front end and the back end of the generator 13, so as to facilitate the circulation of the air flow. Furthermore, the front cover 15 is fixedly provided with a wire slot 151, so that a wire of the generator 13 can be electrically connected with the control module 14 after passing through the wire slot 151.
Illustratively, the front cover 15 may be integrally formed with the housing 11 of the power generation module 1 for easy manufacturing, and the back cover 16 may be fixed to the housing 11 of the power generation module 1 by bolts for easy maintenance and replacement of the power generator 13. It is to be understood that the front cover 15 may be fixed to the housing 11 of the power generation module 1 by bolts, and the rear cover 16 may be integrally formed with the housing 11 of the power generation module 1. Of course, it will also be appreciated that the front cover 15 and the rear cover 16 may also be bolted to the housing 11 of the power generation module 1 at the same time, so that a worker may repair and replace the generator 13 from both sides of the housing 11 of the power generation module 1.
Preferably, as shown in fig. 2 and 3, the power generation module 1 further includes a first data interface 17, the first data interface 17 is fixed on the housing 11 of the power generation module 1, the first data interface 17 is electrically connected with the control module 14, and the control module 14 is electrically connected with the current detection module 2 by providing the first data interface 17. Further, the first data interface 17 is fixedly provided with a plurality of first metal posts 171, and the plurality of first metal posts 171 are electrically connected with the control module 14, so as to facilitate conduction of current.
In this embodiment, as shown in fig. 4, the current detection module 2 includes a clamp assembly 21, the clamp assembly 21 includes an upper clamp 211 and a lower clamp 212, one end of the upper clamp 211 is rotatably connected to the lower clamp 212, the other end of the upper clamp 211 is connected to the lower clamp 212 in a clamping manner, the current detection module 2 can be fixed to a power line of the air compressor through the clamp assembly 21, and the clamp assembly 21 is convenient for the mounting and dismounting of the current detection module 2. Further, the clip assembly 21 further includes a rotation shaft 213, and one end of the upper clip 211 is rotatably connected to the lower clip 212 through the rotation shaft 213, thereby facilitating the rotation between the upper clip 211 and the lower clip 212.
Preferably, the current detection module 2 further includes a second data interface 22, and the second data interface 22 may be fixed to the lower clamp 212, for example, and it is understood that the second data interface 22 may also be fixed to the upper clamp 211. The second data interface 22 is electrically connected to the first data interface 17, and the second data interface 22 is provided to facilitate electrical connection between the current detection module 2 and the control module 14. Further, the second data interface 22 is fixedly provided with a plurality of second metal posts 221, and the plurality of second metal posts 221 are electrically connected with the plurality of first metal posts 171, so as to facilitate conduction of current.
In this embodiment, as shown in fig. 2, the display module 3 includes an ink display screen 31, the ink display screen 31 is electrically connected to the control module 14, the control module 14 can supply power to the ink display screen 31, and the ink display screen 31 is used for displaying the number of times of starting the air compressor. Specifically, the current data detected by the current detection module 2 is transmitted back to the control module 14, and the control module 14 calculates the number of times of starting the air compressor according to the current data and transmits the number of times of starting to the ink display screen 31. The ink display screen 31 can still work normally under the condition that the device is powered off, and the electricity is saved.
In this embodiment, the ink display screen 31 may be installed on the housing 11 of the power generation module 1, of course, in other embodiments, the ink display screen 31 may also be installed on the current detection module 2, it can be understood that the ink display screen 31 may also be installed on the outer side of the housing of the air compressor, and the installation position of the ink display screen 31 may be selected according to the actual installation space.
Preferably, as shown in fig. 5, the device for recording the number of times of starting the air compressor of the present embodiment further includes a data line 4, and two ends of the data line 4 are electrically connected to the first metal terminal 171 and the second metal terminal 221 respectively, so as to facilitate the electrical connection between the control module 14 and the current detection module 2. Further, both ends of the data line 4 are provided with conductive metal holes 41, the conductive metal holes 41 at both ends are electrically connected with the first metal wiring terminal 171 and the second metal wiring terminal 221 respectively, the number of the conductive metal holes 41 at one end is consistent with that of the first metal wiring terminal 171, so that the conductive metal holes 41 are in plugging fit with the first metal wiring terminal 171, and the number of the conductive metal holes 41 at the other end is consistent with that of the second metal wiring terminal 221, so that the conductive metal holes 41 are in plugging fit with the second metal wiring terminal 221.
The working principle of the air compressor starting time recording device of the embodiment is as follows:
the power generation module 1 is fixed on an air compressor air guide protective net through a magnetic fixing seat 12 in a magnetic mode, the current detection module 2 is fixed on a power line of the air compressor through a hoop component 21, the ink display screen 31 is installed on a shell 11 of the power generation module 1, and the control module 14 is electrically connected with the current detection module 2 through a data line 4.
When the air compressor is started, air flows to form air flow, the air flow drives the blades 131 of the generator 13 to rotate, the generator 13 generates electric energy to supply power to the control module 14, the control module 14 supplies power to the current detection module 2 and the ink display screen 31, the current detection module 2 starts to work after being powered on, the running current of the power line of the air compressor can be detected, when the running current is larger than a set current value, the control module 14 starts to time after receiving detection data of the current detection module 2, and when the running time is larger than set time, the control module 14 records the starting times of the air compressor and adds 1 time. At this time, the control module 14 reads the last start-up frequency n of the air compressor stored inside, then displays the n +1 value on the ink display screen 31, and stores the n +1 value in the internal storage, and the staff can know the start-up frequency of the air compressor by reading the value on the ink display screen 31.
According to the air compressor starting time recording device provided by the invention, the power generation module 1 is fixed on the outer side of the air compressor shell and generates power by utilizing the air flow of the air compressor, so that power is supplied to the current detection module 2, a battery is not required to be arranged to supply power to the current detection module 2, the power consumption can be saved, the display module 3 can accurately display the starting time of the air compressor according to the detection data of the current detection module 2, the device is convenient to install, small in size and does not occupy the space in the compressor shell.
Example 2
The present embodiment provides an air compressor activation time recording apparatus which is different from the air compressor activation time recording apparatus provided in embodiment 1 only in that the housing 11 of the power generation module 1 is pasted on the outside of the air compressor housing. When the housing 11 of the power generation module 1 is not conveniently fixed to the outside of the air compressor housing by means of magnetic attraction, the housing 11 of the power generation module 1 may be pasted to the outside of the air compressor housing, for example, the housing 11 of the power generation module 1 may be fixed to the outside of the air compressor housing by pasting with a double-sided tape.
The rest of the structure of this embodiment is the same as that of embodiment 1, and is not described again.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An air compressor startup time recording device, comprising:
the power generation module (1), the power generation module (1) is fixed on the outer side of the shell of the air compressor, and the power generation module (1) generates power by using the air flow of the air compressor;
the current detection module (2) is fixed on a power line of the air compressor, the current detection module (2) is electrically connected with the power generation module (1), and the current detection module (2) is used for detecting the current of the air compressor;
a display module (3), wherein the display module (3) is configured to display the starting times of the air compressor according to the detection data of the current detection module (2).
2. The device for recording the starting times of the air compressor as claimed in claim 1, wherein the power generation module (1) comprises a magnetic fixing seat (12), the magnetic fixing seat (12) is fixed on a housing (11) of the power generation module (1), and the power generation module (1) is fixed on the outer side of the housing of the air compressor through the magnetic fixing seat (12) in a magnetic attraction manner.
3. The air compressor activation count recording device according to claim 1, wherein the housing (11) of the power generation module (1) is pasted on the outside of the air compressor housing.
4. The air compressor starting number recording device according to claim 2 or 3, wherein the display module (3) comprises an ink display screen (31), and the ink display screen (31) is used for displaying the starting number of the air compressor.
5. The air compressor starting number recording device according to claim 4, wherein the power generation module (1) comprises a generator (13), the generator (13) is fixed on a housing (11) of the power generation module (1), and the generator (13) generates power by using the air flow of the air compressor.
6. The air compressor activation time recording device according to claim 5, the power generation module (1) further comprises a control module (14), the control module (14) is fixed on the shell (11) of the power generation module (1), the control module (14) is electrically connected with the generator (13), the control module (14) is electrically connected with the current detection module (2), the control module (14) is electrically connected with the ink display screen (31), the control module (14) is used for receiving the electric energy of the generator (13) to supply power to the current detection module (2) and the ink display screen (31), and the control module (14) calculates the starting times of the air compressor according to the current data detected by the current detection module (2) and transmits the starting times to the ink display screen (31).
7. The air compressor activation count recording device according to claim 5, wherein the power generation module (1) further comprises a front cover (15) and a back cover (16), the front cover (15) and the back cover (16) being fixed to the housing (11) of the power generation module (1).
8. The air compressor starting time recording device according to claim 1, wherein the current detecting module (2) comprises a clamp assembly (21), the clamp assembly (21) comprises an upper clamp (211) and a lower clamp (212), one end of the upper clamp (211) is rotatably connected to the lower clamp (212), the other end of the upper clamp (211) is clamped to the lower clamp (212), and the current detecting module (2) is fixed on a power line of the air compressor through the clamp assembly (21).
9. The device for recording the number of times of starting of an air compressor according to claim 5, wherein the generator (13) is fixedly provided with a plurality of blades (131).
10. The device for recording the number of times of starting of the air compressor according to claim 6, further comprising a data line (41), wherein two ends of the data line (41) are electrically connected to the control module (14) and the current detection module (2), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110347880.XA CN113027542B (en) | 2021-03-31 | 2021-03-31 | Air compressor starts number of times recorder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110347880.XA CN113027542B (en) | 2021-03-31 | 2021-03-31 | Air compressor starts number of times recorder |
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| CN113027542A true CN113027542A (en) | 2021-06-25 |
| CN113027542B CN113027542B (en) | 2023-01-24 |
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| US20040008010A1 (en) * | 2002-06-18 | 2004-01-15 | Mohammed Ebrahim | Microturbine engine system |
| CN101672271A (en) * | 2009-10-19 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Air compressor energy-saving controller with constant pressure and dormancy and control method |
| CN202956649U (en) * | 2012-12-10 | 2013-05-29 | 佛山达沃斯动力科技有限公司 | Variable frequency energy-saving control and remote wireless management system for air compressor |
| JP2017160803A (en) * | 2016-03-07 | 2017-09-14 | 三菱電機株式会社 | Electric air compression device |
| CN208459499U (en) * | 2018-06-21 | 2019-02-01 | 银隆新能源股份有限公司 | Electronics blowdown valve detection system and electric vehicle detecting tool |
| CN211116534U (en) * | 2019-12-13 | 2020-07-28 | 武义圣帕机电有限公司 | Switch structure with display screen |
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2021
- 2021-03-31 CN CN202110347880.XA patent/CN113027542B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040008010A1 (en) * | 2002-06-18 | 2004-01-15 | Mohammed Ebrahim | Microturbine engine system |
| CN101672271A (en) * | 2009-10-19 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Air compressor energy-saving controller with constant pressure and dormancy and control method |
| CN202956649U (en) * | 2012-12-10 | 2013-05-29 | 佛山达沃斯动力科技有限公司 | Variable frequency energy-saving control and remote wireless management system for air compressor |
| JP2017160803A (en) * | 2016-03-07 | 2017-09-14 | 三菱電機株式会社 | Electric air compression device |
| CN208459499U (en) * | 2018-06-21 | 2019-02-01 | 银隆新能源股份有限公司 | Electronics blowdown valve detection system and electric vehicle detecting tool |
| CN211116534U (en) * | 2019-12-13 | 2020-07-28 | 武义圣帕机电有限公司 | Switch structure with display screen |
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| Publication number | Publication date |
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| CN113027542B (en) | 2023-01-24 |
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