CN106401933A - Intelligent oil-free flow switch - Google Patents
Intelligent oil-free flow switch Download PDFInfo
- Publication number
- CN106401933A CN106401933A CN201610990509.4A CN201610990509A CN106401933A CN 106401933 A CN106401933 A CN 106401933A CN 201610990509 A CN201610990509 A CN 201610990509A CN 106401933 A CN106401933 A CN 106401933A
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- CN
- China
- Prior art keywords
- module
- resistance
- foot
- voltage stabilizing
- flow switch
- 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.)
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Classifications
-
- 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
Abstract
The invention provides an intelligent oil-free flow switch. A power supply module is electrically connected with a digital display module and is used for directly supplying power to the digital display module; the power supply module is also electrically connected with a voltage transforming module; the voltage transforming module is electrically connected with a voltage stabilizing module; the voltage transforming module and the voltage stabilizing module are respectively electrically connected with a main control module; a control core chip of the main control module is a single chip. The intelligent oil-free flow switch provided by the invention is simple in structure and reasonable in design; by using an ultralow-power-consumption chip, the service time of the equipment is greatly prolonged, the replacement period of a battery is shortened, and the service life of the equipment is prolonged; by additionally arranging an input terminal, the intelligent oil-free flow switch is supplied with external fault signals so as to adapt to more models. The intelligent oil-free flow switch is relatively low in manufacturing cost, running cost and maintenance cost and is applicable to long-time operation.
Description
Technical field
The invention belongs to mechano-electronic application, especially relates to a kind of intelligent oil-free flow switch.
Background technology
The electronic equipment that oil-free flow switch is added by natural gas compressor, is to be made up of microprocessor and transistor technology
Complex, for detecting low discharge and the no oil mass state of oil header, it comprises one and can be used for monitoring exactly
The lubricating oil system cycle simultaneously has the concussion crystal of precise synchronization closing function, compels through the lubricating oil fluid of oil header
So that the piston of no oil quantity switch is moved back and forth, and it is continuous to be used for more New count, switched-on light emitting diodes and microprocessor
Monitoring, shows a complete lubricating oil working cycle simultaneously.The energy supply of oil-free flow switch is key point, direct shadow
Ring the service life of flow switch, original oil-free stream switch energy consumption is higher, nowadays science and technology in field of lithium almost without new
Technological break-through, can only rely on reduction equipment energy consumption to increase service life.
Content of the invention
In view of this, the invention is directed to a kind of intelligent oil-free flow switch, to reduce power consumption, extension device
Service life, reduces use cost.
For reaching above-mentioned purpose, the technical scheme of the invention is realized in：
A kind of intelligent oil-free flow switch, including main control module, digital display module, signal input module, signal output module,
Power module, Voltage stabilizing module and voltage transformation module, described digital display module, signal input module and signal output module respectively with
Main control module electrically connects, and described power module is electrically connected with digital display module, and power module is directly powered for digital display module, described
Power module is also electrically connected with voltage transformation module, and described voltage transformation module is electrically connected with Voltage stabilizing module, described voltage conversion
Module and Voltage stabilizing module are electrically connected with main control module respectively, and the control core chip of described main control module is single-chip microcomputer.
Further, model STM32L15Xc8t6 of described single-chip microcomputer.
Further, described signal output module includes model and is second field effect transistor of ZVN4424G and the 3rd effect
Ying Guan, the source electrode of the second field effect transistor is connected with the source electrode of the 3rd field effect transistor, and two source electrodes are also respectively connected with power module
Low level, the drain electrode of the second field effect transistor and the drain electrode of the 3rd field effect transistor connect output signal end respectively, and two drain it
Between be also sequentially connected in series the 12nd resistance, the 13rd resistance, the 13rd electric capacity and the 14th electric capacity, described second field effect transistor
The grid of grid and the 3rd field effect transistor connects, and the junction of two grids is also parallel with the 13rd resistance and the 15th electricity
Resistance, another foot of described 13rd resistance connects single-chip microcomputer, and another foot of described 15th resistance connects the 16th resistance, described
Another foot of the 16th resistance connects the low level of power module.
Further, described signal input module includes the second binding post and the 3rd binding post, described second wiring
First foot of the first foot of terminal and the 3rd binding post is connected with single-chip microcomputer respectively, the crus secunda of the second binding post and the 3rd
The crus secunda of binding post connects and is also connected with simultaneously the 4th resistance, and the other end of described 4th resistance connects voltage transformation module
Voltage after conversion.
Further, described voltage transformation module includes the voltage stabilizing chip of model MAX1726EUK25, described voltage stabilizing core
First foot of piece connects the high level of power module, the crus secunda ground connection of described voltage stabilizing chip, described voltage stabilizing by 3rd resistor
Chip the 3rd foot parallel connection the second electric capacity and the 3rd electric capacity and be simultaneously connected with voltage transformation module conversion after voltage, described second
Another foot of another foot of electric capacity and the 3rd electric capacity is grounded respectively, and the 5th foot of described voltage stabilizing chip is sequentially connected in series two the 7th electricity
Resistance, another foot of the 7th resistance and the first foot of voltage stabilizing chip are electrically connected with Voltage stabilizing module.
Further, described Voltage stabilizing module includes PNP type triode, and the base stage of described audion connects the 5th resistance, institute
The colelctor electrode stating audion connects second resistance, and the other end of described 5th resistance is connected with the other end of second resistance and simultaneously
Connect voltage transformation module, the base stage of described audion is also connected with the 6th resistance, another foot of described 6th resistance and single-chip microcomputer
Connect, the emitter stage of described audion is connected with single-chip microcomputer, and the emitter stage of audion is also connected with the first electric capacity, described first electricity
Another foot ground connection held.
Further, described digital display module includes the LCD display of model GDC04520, described display screen first to
16th foot is connected with single-chip microcomputer respectively.
With respect to prior art, a kind of intelligent oil-free flow switch described in the invention has the advantage that：
Oil-free flow switch structure of the present invention is simple, reasonable in design, has selected super low-power consumption chip to greatly prolong
Equipment use time, reduces the replacement cycle of battery, extends the service life of equipment, and increasing input terminal makes it
, to adapt to more types, this switch cost in terms of manufacture, operation, maintenance is relatively low, is suitable for length for increased external fault-signal
Phase runs.
Brief description
The accompanying drawing constituting the part of the invention is used for providing the invention is further understood, and the present invention creates
The schematic description and description made is used for explaining the invention, does not constitute the improper restriction to the invention.?
In accompanying drawing：
Fig. 1 is the circuit principle structure block diagram of the oil-free flow switch system described in the invention embodiment；
Fig. 2 is the main control module circuit theory diagrams described in the invention embodiment；
Fig. 3 is the signal output module circuit theory diagrams described in the invention embodiment；
Fig. 4 is the signal input module circuit theory diagrams described in the invention embodiment；
Fig. 5 is the voltage transformation module circuit theory diagrams described in the invention embodiment；
Fig. 6 is the Voltage stabilizing module circuit theory diagrams described in the invention embodiment；
Fig. 7 is the digital display module circuit theory diagrams described in the invention embodiment；
Fig. 8 is the power module circuitry figure described in the invention embodiment.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the invention and the feature in embodiment can
To be mutually combined.
In the description of the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that
It is the restriction to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning in the invention for the term.
To describe the invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As depicted in figs. 1 and 2, a kind of intelligent oil-free flow switch, including main control module 1, digital display module 2, signal input
Module 3, signal output module 4, power module 5, Voltage stabilizing module 6 and voltage transformation module 7, described digital display module 2, signal input
Module 3 and signal output module 4 are electrically connected with main control module 1 respectively, and described power module 5 is electrically connected with digital display module 2, and electricity
Source module 5 is directly powered for digital display module 2, and described power module 5 is also electrically connected with voltage transformation module 7, described voltage conversion
Module 7 is electrically connected with Voltage stabilizing module 6, and described voltage transformation module 7 and Voltage stabilizing module 6 are electrically connected with main control module 1 respectively, described
The control core chip of main control module 1 is single-chip microcomputer U2, model STM32L15Xc8t6 of described single-chip microcomputer U2.
As shown in figure 3, described signal output module 4 includes the second field effect transistor Q2 and the 3rd that model is ZVN4424G
Field effect transistor Q3, the source electrode of the second field effect transistor Q2 is connected with the source electrode of the 3rd field effect transistor Q3, and two source electrodes also connect respectively
Connect the low level of power module 5, the drain electrode of the second field effect transistor Q2 and the drain electrode of the 3rd field effect transistor Q3 connect output signal respectively
The 12nd resistance R12, the 13rd resistance R13, the 13rd electric capacity C12 and the tenth also it have been sequentially connected in series between end, and two drain electrodes
Four electric capacity C13, the grid of the grid of described second field effect transistor Q2 and the 3rd field effect transistor Q3 connects, and the connection of two grids
Place is also parallel with the 13rd resistance R13 and the 15th resistance R15, and another foot of described 13rd resistance R13 connects single-chip microcomputer
42nd foot, another foot of described 15th resistance R15 connects the 16th resistance R16, and described 16th resistance R16's is another
Foot connects the low level of power module 5.
As shown in figure 4, described signal input module 3 includes the second binding post P2 and the 3rd binding post P3, described
First foot of first foot of two binding post P2 and the 3rd binding post P3 is connected with the tenth foot of single-chip microcomputer and the 19th foot respectively
Connect, the crus secunda of the crus secunda of the second binding post P2 and the 3rd binding post P3 connects and is also connected with the 4th resistance R4 simultaneously,
The other end of described 4th resistance R4 connects the voltage after voltage transformation module 7 conversion.
As shown in figure 5, described voltage transformation module 7 includes voltage stabilizing chip U1 of model MAX1726EUK25, described steady
First foot of pressure chip U1 connects the high level of power module 5 by 3rd resistor R3, and the crus secunda of described voltage stabilizing chip U1 connects
Ground, the 3rd foot parallel connection the second electric capacity C2 and the 3rd electric capacity C3 and be simultaneously connected with 7 turns of voltage transformation module of described voltage stabilizing chip U1
Voltage after changing, described another foot of the second electric capacity C2 and another foot of the 3rd electric capacity C3 are grounded respectively, described voltage stabilizing chip U1
The 5th foot be sequentially connected in series two the 7th resistance R7, another foot of the 7th resistance R7 and the first foot of voltage stabilizing chip U1 and voltage stabilizing mould
Block 6 electrically connects.
As shown in fig. 6, described Voltage stabilizing module 6 includes PNP type triode Q1, the base stage of described audion Q1 connects the 5th electricity
The colelctor electrode of resistance R1, described audion Q1 connects second resistance R2, the other end of described 5th resistance R5 and second resistance R2
The other end connects and is simultaneously connected with voltage transformation module 7, and the base stage of described audion Q1 is also connected with the 6th resistance R6, and the described 6th
Another foot of resistance R6 is connected with the crus secunda of single-chip microcomputer, and the emitter stage of described audion Q1 is connected with the first foot of single-chip microcomputer,
And the emitter stage of audion Q1 is also connected with the first electric capacity C1, another foot ground connection of described first electric capacity C1.
As shown in fig. 7, described digital display module 2 includes the LCD display PLCD of model GDC04520, described display screen
The first of PLCD to the 16th foot respectively pass through the first connector B2B_1, the second connector B2B_2, the 3rd connector B2B_3 and
31st foot of the 4th connector B2B_4 and single-chip microcomputer U2, the 30th foot, the 29th foot, the 46th foot, the 28th
Foot, the 13rd foot, the 17th foot, the tenth octal, the 11st foot, the 12nd foot, the 26th foot, the 16th foot, the 41st
Foot, the 40th foot, the 39th, the 21st foot connect.
Power module 5 used above includes the first binding post P1, and the crus secunda of the first binding post P1 is connected as whole
The positive pole of the accumulator of individual system power supply connects, and first foot of the first binding post P1 connects the first foot of accumulator, accumulator
Directly power for display screen, accumulator is powered for single-chip microcomputer U2 after Voltage stabilizing module 6 and voltage transformation module 7；This signal is defeated
The signal end entering module 3 connects the holding wire of magnetic switch, the low discharge of magnetic switch detection oil header and no oil mass
State, by the signal transmission detecting to single-chip microcomputer U2, single-chip microcomputer U2 is exported magnetic switch again to outside by signal output module 4
Control Room, one piece of lithium battery is leaned in the power supply of oil-free stream switch, if cell voltage is less than the normal level run, single-chip microcomputer is pre-
Can't accept periodic signal in the time first setting and will form closed-loop path, oil-free stream switch will enter alarm mode and lead to
Know that staff changes battery in time, display screen is used for showing the flow of lubricating oil for digital display screen.
The foregoing is only the preferred embodiment of the invention, not in order to limit the invention, all this
Within the spirit of innovation and creation and principle, any modification, equivalent substitution and improvement made etc., should be included in the invention
Protection domain within.
Claims (7)
1. a kind of intelligent oil-free flow switch it is characterised in that：Including main control module (1), digital display module (2), signal input mould
Block (3), signal output module (4), power module (5), Voltage stabilizing module (6) and voltage transformation module (7), described digital display module
(2), signal input module (3) and signal output module (4) are electrically connected with main control module (1) respectively, described power module (5) with
Digital display module (2) electrically connects, and power module (5) is directly that digital display module (2) is powered, and described power module (5) is gone back and voltage
Modular converter (7) electrically connects, and described voltage transformation module (7) is electrically connected with Voltage stabilizing module (6), described voltage transformation module (7)
Electrically connect with main control module (1) respectively with Voltage stabilizing module (6), the control core chip of described main control module (1) is single-chip microcomputer
(U2).
2. a kind of intelligent oil-free flow switch according to claim 1 it is characterised in that：The model of described single-chip microcomputer (U2)
For STM32L15Xc8t6.
3. a kind of intelligent oil-free flow switch according to claim 1 it is characterised in that：Described signal output module (4)
It is the second field effect transistor (Q2) and the 3rd field effect transistor (Q3) of ZVN4424G, the source of the second field effect transistor (Q2) including model
Pole is connected with the source electrode of the 3rd field effect transistor (Q3), and two source electrodes are also respectively connected with the low level of power module (5), second
The drain electrode of the drain electrode of effect pipe (Q2) and the 3rd field effect transistor (Q3) connects output signal end respectively, and between two drain electrodes also successively
It is in series with the 12nd resistance (R12), the 13rd resistance (R13), the 13rd electric capacity (C12) and the 14th electric capacity (C13), described
The grid of the grid of two field effect transistor (Q2) and the 3rd field effect transistor (Q3) connects, and the junction of two grids is also parallel with the
13 resistance (R13) and the 15th resistance (R15), another foot connection single-chip microcomputer of described 13rd resistance (R13), the described tenth
Another foot of five resistance (R15) connects the 16th resistance (R16), and another foot of described 16th resistance (R16) connects power module
(5) low level.
4. a kind of intelligent oil-free flow switch according to claim 1 it is characterised in that：Described signal input module (3)
Including the second binding post (P2) and the 3rd binding post (P3), the first foot of described second binding post (P2) and the 3rd wiring
First foot of terminal (P3) is connected with single-chip microcomputer respectively, the crus secunda of the second binding post (P2) and the 3rd binding post (P3)
Crus secunda connects and is also connected with simultaneously the 4th resistance (R4), and the other end of described 4th resistance (R4) connects voltage transformation module
(7) voltage after changing.
5. a kind of intelligent oil-free flow switch according to claim 1 it is characterised in that：Described voltage transformation module (7)
Voltage stabilizing chip (U1) including model MAX1726EUK25, the first foot of described voltage stabilizing chip (U1) passes through 3rd resistor (R3)
Connect the high level of power module (5), the crus secunda ground connection of described voltage stabilizing chip (U1), the 3rd foot of described voltage stabilizing chip (U1)
Second electric capacity (C2) in parallel and the 3rd electric capacity (C3) and be simultaneously connected with the voltage after voltage transformation module (7) is changed, described second
Another foot of another foot of electric capacity (C2) and the 3rd electric capacity (C3) is grounded respectively, and the 5th foot of described voltage stabilizing chip (U1) is gone here and there successively
Two the 7th resistance (R7) of connection, another foot of the 7th resistance (R7) and the first foot of voltage stabilizing chip (U1) and Voltage stabilizing module (6) electricity
Connect.
6. a kind of intelligent oil-free flow switch according to claim 1 it is characterised in that：Described Voltage stabilizing module (6) includes
PNP type triode (Q1), the base stage of described audion (Q1) connects the 5th resistance (R1), and the colelctor electrode of described audion (Q1) is even
Connect second resistance (R2), the other end of described 5th resistance (R5) is connected and is simultaneously connected with electricity with the other end of second resistance (R2)
Pressure modular converter (7), the base stage of described audion (Q1) is also connected with the 6th resistance (R6), another foot of described 6th resistance (R6)
It is connected with single-chip microcomputer, the emitter stage of described audion (Q1) is connected with single-chip microcomputer, and the emitter stage of audion (Q1) is also connected with
One electric capacity (C1), another foot ground connection of described first electric capacity (C1).
7. a kind of intelligent oil-free flow switch according to claim 1 it is characterised in that：Described digital display module (2) includes
The LCD display (PLCD) of model GDC04520, the first to the 16th foot of described display screen (PLCD) respectively with single-chip microcomputer
(U2) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990509.4A CN106401933A (en) | 2016-11-10 | 2016-11-10 | Intelligent oil-free flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990509.4A CN106401933A (en) | 2016-11-10 | 2016-11-10 | Intelligent oil-free flow switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106401933A true CN106401933A (en) | 2017-02-15 |
Family
ID=59230519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610990509.4A Pending CN106401933A (en) | 2016-11-10 | 2016-11-10 | Intelligent oil-free flow switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106401933A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406226Y (en) * | 1999-12-22 | 2000-11-15 | 华南师范大学 | Liquid-level measuring instrument |
| CN101552458A (en) * | 2008-12-29 | 2009-10-07 | 浙江中凯科技股份有限公司 | Protective circuit of a control and protection switch |
| CN202102565U (en) * | 2011-04-21 | 2012-01-04 | 郑州豪威尔电子科技有限公司 | Intelligent voice combination instrument |
| CN102305686A (en) * | 2011-05-30 | 2012-01-04 | 哈尔滨工业大学 | Temperature correction pressure data acquisition device and method for measuring pressure of heat supply network pipeline |
| CN102570845A (en) * | 2012-01-18 | 2012-07-11 | 中山市马迅电器有限公司 | Singlechip-based automatic voltage conversion system |
| CN204116887U (en) * | 2014-10-21 | 2015-01-21 | 常俊彪 | Car washer controller |
| CN204116849U (en) * | 2014-10-16 | 2015-01-21 | 赖铭奇 | A kind of programming controller |
| CN206158981U (en) * | 2016-11-10 | 2017-05-10 | 歌思（天津）低温设备有限公司 | Digital display does not have oil flow switching system for natural gas compressor |
-
2016
- 2016-11-10 CN CN201610990509.4A patent/CN106401933A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406226Y (en) * | 1999-12-22 | 2000-11-15 | 华南师范大学 | Liquid-level measuring instrument |
| CN101552458A (en) * | 2008-12-29 | 2009-10-07 | 浙江中凯科技股份有限公司 | Protective circuit of a control and protection switch |
| CN202102565U (en) * | 2011-04-21 | 2012-01-04 | 郑州豪威尔电子科技有限公司 | Intelligent voice combination instrument |
| CN102305686A (en) * | 2011-05-30 | 2012-01-04 | 哈尔滨工业大学 | Temperature correction pressure data acquisition device and method for measuring pressure of heat supply network pipeline |
| CN102570845A (en) * | 2012-01-18 | 2012-07-11 | 中山市马迅电器有限公司 | Singlechip-based automatic voltage conversion system |
| CN204116849U (en) * | 2014-10-16 | 2015-01-21 | 赖铭奇 | A kind of programming controller |
| CN204116887U (en) * | 2014-10-21 | 2015-01-21 | 常俊彪 | Car washer controller |
| CN206158981U (en) * | 2016-11-10 | 2017-05-10 | 歌思（天津）低温设备有限公司 | Digital display does not have oil flow switching system for natural gas compressor |
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