CN209067506U - A kind of integrated pump station intelligent things network control system - Google Patents
A kind of integrated pump station intelligent things network control system Download PDFInfo
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- CN209067506U CN209067506U CN201821560853.0U CN201821560853U CN209067506U CN 209067506 U CN209067506 U CN 209067506U CN 201821560853 U CN201821560853 U CN 201821560853U CN 209067506 U CN209067506 U CN 209067506U
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- pmos tube
- voltage comparator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of integrated pump station intelligent things network control systems, power input is connected by first resistor and PMOS tube drain electrode, POMS tube grid is connect by second resistance with ground terminal, diode is connected between PMOS tube source electrode and drain electrode, and capacitor is connected in parallel between PMOS tube drain electrode and ground terminal；3rd resistor connect voltage comparator non-inverting input terminal with the 4th resistance common end, voltage comparator inverting input terminal is connect by the 6th resistance with the anode powered for terminal, voltage comparator output end is connect with NMOS tube grid, NMOS tube drain electrode is connect by the 5th resistance with PMOS tube source electrode, and NMOS tube source electrode is connect with anode.The utility model has the beneficial effects that structure is simple, component is few, provides multiple protective by protection circuit for end cell, it is ensured that terminal normal use improves the safety of whole system.
Description
Technical field
The utility model belongs to pumping station automatization technical field, and in particular to a kind of integrated pump station Intelligent internet of things control
System.
Background technique
Pumping station automatization control technology is to utilize computer technology, modern electronic technology, network communications technology and letter at present
Breath processing technique realization carries out automatically controlling the equipment such as water pump in pump station, motor, electrically operated valve, measures, adjusting.Just at present
For, not only autonomous system is safe and reliable for automation control, but also to swap information by Internet of Things between each subsystem,
Data sharing is coordinated to complete the automatic monitoring of pumping plant relevant device, control, adjusts task.
For the automation for promoting pumping plant, a kind of controlling terminal is needed to carry out intelligentized control method, therefore, terminal to equipment of pumping station
Safety it is particularly important.Battery is a kind of device that chemical energy is directly translated into electric energy, is designed by rechargeable
Battery is recharged by reversible chemical reaction realization, typically refers to lead-acid accumulator, it is one of battery, belongs to two
Common battery of mobile phone etc. in primary cell, such as life.In order to guarantee terminal energy normal control equipment of pumping station, it is therefore desirable to for
The battery of terminal power supply does further protection.
Utility model content
To overcome technological deficiency of the existing technology, the utility model discloses a kind of integrated pump station Intelligent internet of things
Control system, structure is simple, and component is few, provides multiple protective by protection circuit for end cell.
Technical solution adopted by the utility model to solve its technical problems is a kind of integrated pump station intelligent things network controls
System processed, including the protection circuit that terminal and terminal are powered, protection circuit include first resistor, capacitor, diode, PMOS tube,
Second resistance, 3rd resistor, the 4th resistance, voltage comparator, the 5th resistance, the 6th resistance, NMOS tube, power input pass through the
One resistance and PMOS tube drain electrode connect, and POMS tube grid is connect by second resistance with ground terminal, and diode cathode and PMOS tube are leaked
Pole connection, diode cathode are connect with PMOS tube source electrode, and capacitor one end and PMOS tube drain electrode connect, and the other end and ground terminal connect
It connects；
PMOS tube source electrode is connect with 3rd resistor, and the 4th resistance is connected with 3rd resistor, and 3rd resistor and the 4th resistance are public
End connection voltage comparator non-inverting input terminal, voltage comparator inverting input terminal pass through the 6th resistance and the electricity for terminal power supply altogether
The connection of pond anode, voltage comparator output end are connect with NMOS tube grid, and NMOS tube drain electrode passes through the 5th resistance and PMOS tube source
Pole connection, NMOS tube source electrode are connect with anode, and anode is connect with ground terminal.
Preferably, the protection circuit further includes the 7th resistance, and the 7th resistance one end is connect with PMOS tube source electrode, another
End is connect with voltage comparator output end.
Preferably, the protection circuit further includes voltage follower, voltage follower non-inverting input terminal and voltage comparator
Output end connection, voltage follower output end connect with NMOS tube grid, voltage follower output end also pass through the 8th resistance and
The connection of voltage follower non-inverting input terminal.
Preferably, the protection circuit further includes two direct-flow voltage regulation sources, one of direct-flow voltage regulation source one end and PMOS
The connection of pipe source electrode, the other end are connect with voltage comparator power end, another direct-flow voltage regulation source one end is connect with PMOS tube source electrode,
The other end is connect with voltage follower power end.
Preferably, the voltage comparator is the voltage comparator chip of LM339 model.
Preferably, the protection circuit further includes breakdown diode, and breakdown diode cathode is connect with second resistance, just
Pole is connect with ground terminal.
The utility model has the beneficial effects that structure is simple, component is few, is provided by protection circuit for end cell more
It protects again, PMOS tube can detect whether power input normally inputs, and provides first for the circuit and protects again；Capacitor can be defeated by power supply
Enter charging, late-class circuit is continued as in the case where power input power down, power supply is provided, second as the circuit protects again；Electricity
Comparator and NMOS tube is pressed to provide electric power detection for end cell, to prevent not enough power supply from influencing the normal use of terminal, this is
The triple protection of the circuit.
Detailed description of the invention
Fig. 1 is a kind of specific embodiment basic circuit diagram of the utility model.
Fig. 2 is another specific embodiment basic circuit diagram of the utility model.
Appended drawing reference: IN- power input, C- capacitor, R1- first resistor, R2- second resistance, R3- 3rd resistor, R4-
Four resistance, the 5th resistance of R5-, the 6th resistance of R6-, the 7th resistance of R7-, the 8th resistance of R8-, Q1-NMOS pipe, Q2-PMOS pipe,
D1- diode, D2- breakdown diode, U1- voltage comparator, U2- voltage follower, DCDC- direct-flow voltage regulation source, E- terminal electricity
Pond.
Specific embodiment
More detailed description is done to the embodiments of the present invention below in conjunction with attached drawing and appended drawing reference, makes to be familiar with ability
The technology people in domain can implement accordingly after studying this specification carefully.It should be appreciated that specific embodiment described herein is only to solve
The utility model is released, is not used to limit the utility model.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "horizontal", "inner" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Embodiment: referring to attached drawing 1, a kind of attached integrated pump station intelligent things network control system shown in Fig. 2, including terminal
And terminal power supply protection circuit, protection circuit include first resistor R1, capacitor C, diode D1, PMOS tube, second resistance R2,
3rd resistor R3, the 4th resistance R4, voltage comparator U1, the 5th resistance R5, the 6th resistance R6, NMOS tube Q1, power input IN
It is connected by first resistor R1 and PMOS tube Q2 drain electrode, POMS pipe Q2 grid is connect by second resistance R2 with ground terminal, diode
D1 anode and PMOS tube Q2 drain electrode connect, and diode D1 cathode is connect with PMOS tube Q2 source electrode, and the one end capacitor C and PMOS tube Q2 leak
Pole connection, the other end are connect with ground terminal；
PMOS tube Q2 source electrode is connect with 3rd resistor R3, and the 4th resistance R4 connects with 3rd resistor R3,3rd resistor R3 with
4th common end resistance R4 connects voltage comparator U1 non-inverting input terminal, and voltage comparator U1 inverting input terminal passes through the 6th resistance
R6 is connect with the battery E anode powered for terminal, and voltage comparator U1 output end is connect with NMOS tube Q1 grid, NMOS tube Q1 leakage
Pole is connect by the 5th resistance R5 with PMOS tube Q2 source electrode, and NMOS tube Q1 source electrode is connect with battery E anode, battery E anode and ground
End connection.
In the present embodiment, multiple protective is provided for end cell E by protection circuit.It is former to the work of protection circuit below
Reason is further explained explanation:
Protect circuit setting at the terminal, end cell E provides power supply for terminal, it is ensured that terminal normal use.Power supply is defeated
Enter IN to charge by first resistor R1 current limliting for capacitor C and provide power supply for late-class circuit, if power input IN reversal connection, i.e. power supply
It inputs IN negative input to connect through first resistor R1 and PMOS tube Q2 drain electrode, diode D1 is due to its own characteristic, that is, one-way conduction
And end, PMOS tube Q2 grid is high level, and drain electrode is low level, causes PMOS tube to end, power input can not be with rear class
Circuit forms access, and then late-class circuit is protected to influence late-class circuit device because power input IN is reversely connected；If power input IN
Normal access, i.e. power input IN positive input are connected through first resistor R1 and PMOS tube Q2 drain electrode, at this point, PMOS tube Q2 grid is
Low level, PMOS tube Q2 drain electrode is high level, so that PMOS tube Q2 is connected, diode D1 also normally at this time, but due to
The switching loss of PMOS tube Q2 is smaller, therefore diode D1 is short-circuited, to reduce the loss of entire circuit, wherein second resistance
R2 is current-limiting resistance, protects PMOS tube Q2 not breakdown.
If power input IN is normally accessed, power input IN is connected to through first resistor R1, PMOS tube Q2 with late-class circuit,
3rd resistor R3 and the 4th resistance R4 partial pressure provides threshold voltage for voltage comparator U1 non-inverting input terminal, and battery E electricity is through the
Six resistance R6 acquire input voltage comparator U1 inverting input terminal, if voltage comparator U1 non-inverting input terminal threshold voltage is more anti-than its
The charge value of phase input terminal is small, then it represents that battery E electricity is sufficient, and voltage comparator U1 output end exports low level to NMOS tube Q1
Grid will not be such that NMOS tube Q1 is connected, then power input IN will not be formed into a loop with battery E, i.e. battery E is not charged；
If voltage comparator U1 non-inverting input terminal threshold voltage is bigger than the charge value of its inverting input terminal, then it represents that battery E
Electricity is inadequate, and voltage comparator U1 output end exports high level to NMOS tube Q1 grid, NMOS tube Q1 is connected, then power supply is defeated
Entering IN will be formed into a loop with battery E, i.e. battery E, which enters, is electrically charged state；Electricity is monitored for battery E, it is ensured that terminal normal use.
Wherein, voltage comparator U1 is the voltage comparator chip of LM339 model.The voltage range of voltage comparator U1
Width, single supply 2-36V, dual-supply voltage is ± 1V- ± 18V, in the present embodiment, directlys adopt stable 5V single supply as electricity
Press comparator U1 power supply.
If power input IN because failure disconnect, capacitor can C electric discharge continue as late-class circuit provide power supply, be staff into
It robs to repair and the time is provided.
Preferably, the protection circuit further includes the 7th resistance R7, and the 7th one end resistance R7 is connect with PMOS tube Q2 source electrode,
Its other end is connect with voltage comparator U1 output end.
In another embodiment, the 7th resistance R7 is arranged in voltage comparator U1 inverting input terminal and the source PMOS tube Q2
The driving capability that voltage comparator U1 output end can be improved between pole enables voltage comparator U1 normally to export low and high level.
Preferably, the protection circuit further includes voltage follower U2, voltage follower U2 non-inverting input terminal and voltage ratio
It is connected compared with device U1 output end, voltage follower U2 output end is connect with NMOS tube Q1 grid, and voltage follower U2 output end is also logical
The 8th resistance R8 is crossed to connect with voltage follower U2 non-inverting input terminal.
In another embodiment, voltage follower U2 can reduce the output loss of front stage circuits, rise buffering, every
From, improve load capacity effect.
Preferably, the protection circuit further includes two direct-flow voltage regulation sources DCDC, one of direct-flow voltage regulation source DCDC mono-
End is connect with PMOS tube Q2 source electrode, and the other end is connect with voltage comparator U1 power end, the one end another direct-flow voltage regulation source DCDC
It is connect with PMOS tube Q2 source electrode, the other end is connect with voltage follower U2 power end.
In another embodiment, it is outer for protecting voltage comparator U1 and voltage follower U2 power supply mode in circuit
5V single supply is connect, as shown in Fig. 2, including two direct-flow voltage regulation source DCDC in figure, one of them is voltage comparator U1 power supply, separately
One is powered for voltage follower U2.It will be changed to be directly certain voltage value by power input IN pressure stabilizing in the present embodiment,
It powers for voltage comparator U1 and voltage follower U2, simplifies circuit, improve the integration of entire circuit.
Wherein, voltage follower U2 can also directly be powered by external 5V single supply.
Preferably, the protection circuit further includes breakdown diode D2, and breakdown diode D2 cathode and second resistance R2 connect
It connects, anode is connect with ground terminal.
In another embodiment, breakdown diode D2 can protect late-class circuit, can be direct if power input IN is excessively high
Puncture breakdown diode D2, late-class circuit component is prevented to be affected.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical
In novel protection scope.
Claims (6)
1. a kind of integrated pump station intelligent things network control system, it is characterised in that: the protection electricity powered including terminal and terminal
Road, protection circuit includes first resistor, capacitor, diode, PMOS tube, second resistance, 3rd resistor, the 4th resistance, voltage ratio
Compared with device, the 5th resistance, the 6th resistance, NMOS tube, power input is connected by first resistor and PMOS tube drain electrode, POMS tube grid
It being connect by second resistance with ground terminal, diode cathode and PMOS tube drain electrode connect, and diode cathode is connect with PMOS tube source electrode,
Capacitor one end and PMOS tube drain electrode connect, and the other end is connect with ground terminal；
PMOS tube source electrode is connect with 3rd resistor, and the 4th resistance is connected with 3rd resistor, 3rd resistor and the 4th resistance common end
Connect voltage comparator non-inverting input terminal, voltage comparator inverting input terminal by the 6th resistance with for terminal power supply battery just
Pole connection, voltage comparator output end are connect with NMOS tube grid, and NMOS tube drain electrode is connected by the 5th resistance and PMOS tube source electrode
It connects, NMOS tube source electrode is connect with anode, and anode is connect with ground terminal.
2. integrated pump station intelligent things network control system as described in claim 1, it is characterised in that: the protection circuit is also
Including the 7th resistance, the 7th resistance one end is connect with PMOS tube source electrode, and the other end is connect with voltage comparator output end.
3. integrated pump station intelligent things network control system as described in claim 1, it is characterised in that: the protection circuit is also
Including voltage follower, voltage follower non-inverting input terminal is connect with voltage comparator output end, voltage follower output end with
The connection of NMOS tube grid, voltage follower output end also pass through the 8th resistance and connect with voltage follower non-inverting input terminal.
4. integrated pump station intelligent things network control system as claimed in claim 3, it is characterised in that: the protection circuit is also
Including two direct-flow voltage regulation sources, one of direct-flow voltage regulation source one end is connect with PMOS tube source electrode, the other end and voltage comparator
Power end connection, another direct-flow voltage regulation source one end are connect with PMOS tube source electrode, and the other end is connect with voltage follower power end.
5. integrated pump station intelligent things network control system as described in claim 1, it is characterised in that: the voltage comparator
For the voltage comparator chip of LM339 model.
6. integrated pump station intelligent things network control system as described in claim 1, it is characterised in that: the protection circuit is also
Including breakdown diode, breakdown diode cathode is connect with second resistance, and anode is connect with ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560853.0U CN209067506U (en) | 2018-09-25 | 2018-09-25 | A kind of integrated pump station intelligent things network control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560853.0U CN209067506U (en) | 2018-09-25 | 2018-09-25 | A kind of integrated pump station intelligent things network control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067506U true CN209067506U (en) | 2019-07-05 |
Family
ID=67093160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821560853.0U Active CN209067506U (en) | 2018-09-25 | 2018-09-25 | A kind of integrated pump station intelligent things network control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209067506U (en) |
-
2018
- 2018-09-25 CN CN201821560853.0U patent/CN209067506U/en active Active
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