CN105889082B - A kind of intelligence self priming pump - Google Patents
A kind of intelligence self priming pump Download PDFInfo
- Publication number
- CN105889082B CN105889082B CN201510037787.3A CN201510037787A CN105889082B CN 105889082 B CN105889082 B CN 105889082B CN 201510037787 A CN201510037787 A CN 201510037787A CN 105889082 B CN105889082 B CN 105889082B
- Authority
- CN
- China
- Prior art keywords
- capacitance
- moc
- power supply
- resistance
- pin
- 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.)
- Active
Links
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of intelligent self priming pump.The intelligence self priming pump includes power input, main winding branch and auxiliary winding branch, and main winding branch and auxiliary winding branch circuit parallel connection are connected on power input；Auxiliary winding branch includes auxiliary winding coil L2 and mutual capacitance C, and auxiliary winding branch route mutual capacitance C and auxiliary winding coil L2 is composed in series, and main winding branch is a main winding L1.It is a feature of the present invention that：The intelligence self priming pump further includes a control circuit, there is a relay KM in the control circuit, and the normally opened contact of relay KM is connected to a power input of pump, for controlling the power on/off of pump.Using the present invention, the break-make of water level switch control pump can be realized, and have the function of that pump is automatically closed in water-stressed conditions and prevent pump seizure.
Description
Technical field
The present invention relates to a kind of water pump, is specifically a kind of intelligent self priming pump.
Background technology
In existing technology, self priming pump will realize automation, there is following several ways：On the pipeline of closing, small work(
Built-in pressure switch can be mounted with above the self priming pump of rate, the break-make of pump is controlled by sensing hydraulic pressure, it is powerful in this way
Self priming pump, can place external pressure switch on pipeline, then pass through the break-make of a pump control cabinet control pump；There is water tank
In the case of, a water level switch can be placed in water tank, low power self priming pump water level switch can directly control the break-make of pump, greatly
The self priming pump water level switch of power can pass through the break-make of a pump control cabinet control pump.Self priming pump realize automate while,
Also there are water shortage, the problems such as impeller is stuck, solve the problems, such as these, the intelligent circuit board of corresponding function need to be collocated with, existing
In intelligent self priming pump, the intelligent self priming pump for closing pipe line of the band intelligence battery plate of only built-in pressure switch.
The content of the invention
It is an object of the invention to provide a kind of intelligent self priming pump, in the case of having water tank, by with water level switch
Connection, realizes the break-make of water level switch control pump, but also pumps and prevent pump seizure with being automatically closed in water-stressed conditions
Function.
The technical solution adopted by the present invention：The intelligence self priming pump includes power input, main winding branch and auxiliary winding branch
Road, main winding branch and auxiliary winding branch circuit parallel connection are connected on power input；Auxiliary winding branch include auxiliary winding coil L2 and
Mutual capacitance C, auxiliary winding branch route mutual capacitance C and auxiliary winding coil L2 are composed in series, and main winding branch is a main winding line
Enclose L1.It is a feature of the present invention that：The intelligence self priming pump further includes a control circuit, there is a relay KM in the control circuit,
The normally opened contact of relay KM is connected to a power input of pump, and the control circuit includes a DC power supply, water level is opened
Close control circuit and waterproof pump seizure start-up circuit；Water level switch control circuit includes capacitance C4, capacitance C5, the first MOC optocouplers
The input pin of switch, the input pin of the 2nd MOC optical coupled switch, power relay KM, wire connection terminal, resistance R4 and NE555P
Timer, wherein resistance R4 connect with capacitance C4 and access DC power supply, and wherein capacitance C4 terminates the anode into DC power supply, electricity
Resistance R4 terminates cathode into DC power supply, and external access water level switch at wire connection terminal, wire connection terminal has at three, wherein terminals
Connect branches of the capacitance C4 with resistance R4 is accessed at son first, the triggering pin of NE555P timers is accessed at wire connection terminal second
2nd, threshold values pin 6, the negative electrode pin 1 of the first MOC optical coupled switch, the moon of the first MOC optical coupled switch are accessed at wire connection terminal the 3rd
Pole pin 2 accesses the negative electrode pin 1 of the 2nd MOC optical coupled switch, and the negative electrode pin 2 of the 2nd MOC optical coupled switch accesses DC power supply
Anode, the reset pins 4 of NE555P timers, power pins 8 access the cathode of DC power supply, the ground connection of NE555P timers
Pin 1 accesses the anode of DC power supply, and the controlling switch 5 of NE555P timers accesses the anode of DC power supply through capacitance C5,
The anode of coil access DC power supply of the output pin 3 of NE555P timers through relay KM；Waterproof pump seizure start-up circuit
Including capacitance C3, resistance R2, resistance R3, resistance R5, the 3rd MOC optical coupled switch, the output pin of the first MOC optical coupled switch and
The output pin of two MOC optical coupled switch, wherein resistance R2 connect with capacitance C3 and access DC power supply, wherein capacitance C3 terminate into
The cathode of DC power supply, resistance R2 terminate the anode into DC power supply, and an output pin 4 of the 2nd MOC optical coupled switch accesses electricity
Hold connect branches of the C3 with resistance R2, the triggering of the access NE555P timers of another output pin 6 of the 2nd MOC optical coupled switch is drawn
Foot 2, threshold values pin 6, the cathode of an output pin 4 access DC power supply of the 3rd MOC optical coupled switch, the 3rd MOC optical coupled switch
Connect branch of another output pin 6 through resistance R3 accesses capacitance C3 and resistance R2, resistance R5 one end access NE555P is periodically
The output pin 3 of device, the other end access the negative electrode pin 1 of the 3rd MOC optical coupled switch, the negative electrode pin 2 of the 3rd MOC optical coupled switch
An output pin 4 of the first MOC optical coupled switch is accessed, another output pin 6 of the first MOC optical coupled switch accesses DC power supply
Anode.
Beneficial effects of the present invention：Realize the break-make of water level switch control pump, but also with automatic in water-stressed conditions
Close pump and prevent the function of pump seizure.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is a kind of circuit main body wiring diagram of intelligent self priming pump of the present invention.
Fig. 2 is a kind of control circuit main body wiring diagram of intelligent self priming pump of the present invention.
Fig. 3 is one embodiment of the DC power supply in a kind of control circuit of intelligent self priming pump of the present invention.
Fig. 4 is second embodiment of the DC power supply in a kind of control circuit of intelligent self priming pump of the present invention.
Embodiment
Fig. 1 is a kind of circuit main body wiring diagram of intelligent self priming pump of the present invention.Known by figure, which includes power supply
Input terminal 1,2, main winding branch and auxiliary winding branch, main winding branch and auxiliary winding branch circuit parallel connection be connected to power input 1,
On 2；Auxiliary winding branch includes auxiliary winding coil L2 and mutual capacitance C, auxiliary winding branch route mutual capacitance C and auxiliary winding coil L2
It is composed in series, main winding branch is a main winding L1.It is a feature of the present invention that：The intelligence self priming pump further includes a control
Circuit, has a relay KM in the control circuit, the normally opened contact of relay KM is connected to a power input of pump, for controlling
Make the power on/off of pump.
Fig. 2 is a kind of control circuit main body wiring diagram of intelligent self priming pump of the present invention.Known by figure, the control circuit bag
Include a DC power supply, water level switch control circuit and waterproof pump seizure start-up circuit；Water level switch control circuit include capacitance C4,
Capacitance C5, the input pin of the first MOC optical coupled switch 6, the input pin of the 2nd MOC optical coupled switch 5, power relay KM, connect
Line terminals 4, resistance R4 and NE555P timer 7, wherein resistance R4 connect with capacitance C4 and access DC power supply, wherein capacitance C4
Terminating the anode into DC power supply, resistance R4 terminates the cathode into DC power supply, external access water level switch at wire connection terminal 4,
Connect branches of the capacitance C4 with resistance R4 is accessed at its middle connecting terminal 4A, NE555P timers 7 are accessed at wire connection terminal 4B
Pin 2, threshold values pin 6 are triggered, the negative electrode pin 1 of the first MOC optical coupled switch 6 is accessed at wire connection terminal 4C, the first MOC optocouplers are opened
The negative electrode pin 1 of 6 the 2nd MOC optical coupled switch 5 of access of negative electrode pin 2 is closed, the negative electrode pin 2 of the 2nd MOC optical coupled switch 5 accesses
The anode of DC power supply, the reset pin 4 of NE555P timers 7, power pins 8 access the cathode of DC power supply, and NE555P is fixed
When device 7 grounding pin 1 access the anode of DC power supply, the controlling switch 5 of NE555P timers 7 accesses direct current through capacitance C5
The anode in source, the anode of coil access DC power supply of the output pin 3 through relay KM of NE555P timers 7；Waterproof pump card
Dead start-up circuit includes capacitance C3, resistance R2, resistance R3, resistance R5, the 3rd MOC optical coupled switch 3, the first MOC optical coupled switch 6
The output pin of output pin and the 2nd MOC optical coupled switch 5, wherein resistance R2 connect with capacitance C3 and access DC power supply, its
Middle capacitance C3 terminates the cathode into DC power supply, and resistance R2 terminates the anode into DC power supply, and the one of the 2nd MOC optical coupled switch 5
Output pin 4 accesses connect branches of the capacitance C3 with resistance R2, and another output pin 6 of the 2nd MOC optical coupled switch 5 accesses
Triggering pin 2, the threshold values pin 6 of NE555P timers 7, an output pin 4 access DC power supply of the 3rd MOC optical coupled switch 3
Cathode, the branch of connecting of another output pin 6 of the 3rd MOC optical coupled switch 3 through resistance R3 access capacitance C3 with resistance R2 is electric
The output pin 3 of R5 one end access NE555P timers 7 is hindered, the other end accesses the negative electrode pin 1 of the 3rd MOC optical coupled switch 3, the
The negative electrode pin 2 of three MOC optical coupled switch 3 accesses an output pin 4 of the first MOC optical coupled switch 6, the first MOC optical coupled switch 6
Another output pin 6 accesses the anode of DC power supply.
It should be connected during intelligence self priming pump installation of the invention with water level switch, water level switch is placed in water tank, it is this
Sample work：When water shortage in water tank, such as Fig. 2 is closure state at water level switch connection wire connection terminal 4A and 4B, water level switch
It is off-state at connection wire connection terminal 4A and 4C, water level switch control circuit works, and waterproof pump seizure start-up circuit does not work,
The branch of connecting of triggering pin 2 and threshold values pin 6 the access capacitance C4 and resistance R4 of NE555P timers 7, capacitance C4 and resistance
R4 connects and is in charged state, and the voltage for just starting capacitance C4 both ends is zero, so that the triggering pin 2 of NE555P timers 7
It is low potential with threshold values pin 6, the output pin 3 of NE555P timers 7 is high potential, and the coil of relay KM is powered, relay
The power end of the normally opened contact closure water pump of device KM is powered；If water shortage at water source, water pump work always, when capacitance C4 is charged to
To a certain degree（The resistance value of resistance R4 is very big, and the capacitance C4 charging intervals are grown, and is made in the water tank than making water shortage in the presence of water
The pump working time length of water）, its both ends voltage rise to a certain extent, make the triggering pin 2 and valve of NE555P timers 7
Value pin 6 is high potential, and the output pins 3 of NE555P timers 7 is low potential, the coil no power of relay KM, relay
The normally opened contact of KM disconnects the power end no power of water pump, due to the charging interval of capacitance C4, than making to lack in the presence of water
The pump working time length of water is made in the water tank of water, and as made water in water tank, capacitance C4 will not be recharged, so capacitance C4
It is charged water pump is stopped the water shortage situation only at water source, therefore this process has excessive low water level protection effect；If water at water source
Abundance, does not charge to a certain extent in capacitance C4, and water pump has made water in water tank rush completely completely, and water level switch action, that is, connect
It is off-state at line terminals 4A and 4B, is closure state at water level switch connection wire connection terminal 4A and 4C, water level switch controls
Circuit does not work, the work of waterproof pump seizure start-up circuit, and closure makes the first MOC light at water level switch connection wire connection terminal 4A and 4C
The input pin conducting of the input pin and the 2nd MOC optical coupled switch 5 of coupling switch 6, the then output of the first MOC optical coupled switch 6 are drawn
The output pin of foot and the 2nd MOC optical coupled switch 5 turns on, connect branch and the NE555P timers 7 of capacitance C3 and resistance R2
Triggering pin 2 and threshold values pin 6 connect, and capacitance C3 connects with resistance R2 and is in charged state, just capacitance C3 both ends during beginning
Voltage be zero so that capacitance C3 and the branch of connecting of resistance R2 are high potential, the output pin 3 of NE555P timers 7 is low
Current potential, the coil no power of relay KM, the normally opened contact of relay KM disconnects the power end no power of water pump, when capacitance C3 fills
Electricity is to a certain extent（The resistance value of resistance R2 is very big, and the capacitance C3 charging intervals are very long, starting mode of pump when water punching is full in water tank is needed very
For a long time）, the voltage rise at its both ends to a certain extent, makes capacitance C3 and the branch of connecting of resistance R2 be low potential, NE555P
The output pin 3 of timer 7 is high potential, and relay KM conductings, the power end of water pump is powered, due to the first MOC optical coupled switch 6
Output pin conducting and the output pins 3 of NE555P timers 7 be high potential, the input circuit of the 3rd MOC optical coupled switch 3 is led
Logical, then the output circuit conducting of the 3rd MOC optical coupled switch 3, the electricity that capacitance C3 substitutes the bad for the good is through resistance R3 and the 3rd MOC optical coupled switch 3
Output circuit electric discharge, the resistance value very little of resistance R3, so capacitance C3 discharge times are very short, water pump will soon power off, this is just
It ensure that water pump for a long time not under operating condition under short-time running, prevents that impeller is stuck.
A DC power supply Transient Suppression Diode in parallel in above-mentioned technical proposal, for protecting circuit safety.
MOC optical coupled switch in above-mentioned technical proposal in control circuit only illustrates to use, and can use relay, other serial optocouplers
Instead of.
A relay KM rectifier diodes in parallel in above-mentioned technical proposal, for protective relay KM.
Fig. 3 is one embodiment of the DC power supply in a kind of control circuit of intelligent self priming pump of the present invention.Known by figure,
The DC power supply is capacitance-resistance step down type DC power supply, including capacitance C1, capacitance C2, resistance R1, rectifier D1, voltage-stabiliser tube D2；Resistance
The resistance R1 held in buck DC power supply exchanges incoming end, the other end with the one of capacitance C1 parallel connections and one end access rectifier D1
The extraneous power end of access, another exchange incoming end of rectifier D1 also access another extraneous power end, voltage-stabiliser tube D2 and capacitance C2
Parallel connection, the cathode of voltage-stabiliser tube D2 connect the positive DC output terminal of rectifier D1, and the anode of voltage-stabiliser tube D2 connects the anode of rectifier D1
DC output end.
Fig. 4 is second embodiment of the DC power supply in a kind of control circuit of intelligent self priming pump of the present invention.Known by figure,
The DC power supply includes transformer 8, rectifier D3, capacitance C6；The extraneous power supply of 8 input terminal of transformer access in DC power supply,
The exchange incoming end of output terminal access rectifier D3, the DC output end of rectifier D3 are in parallel with capacitance C6.
In addition to the implementation, the present invention also has other embodiment.It is all to be formed using equivalent substitution or equivalent transformation
Technical solution, all falls within the protection domain of application claims.
Claims (5)
1. a kind of intelligence self priming pump, the intelligence self priming pump include power input, main winding branch and auxiliary winding branch, main winding
Branch and auxiliary winding branch circuit parallel connection are connected on power input；Auxiliary winding branch includes auxiliary winding coil L2 and mutual capacitance C,
Auxiliary winding branch route mutual capacitance C and auxiliary winding coil L2 is composed in series, and main winding branch is a main winding L1；Its feature
It is：The intelligence self priming pump further includes a control circuit, there is a relay KM, the normally opened contact of relay KM in the control circuit
A power input of pump is connected to, the control circuit includes a DC power supply, water level switch control circuit and waterproof pump
Stuck start-up circuit；Water level switch control circuit includes capacitance C4, capacitance C5, the input pin of the first MOC optical coupled switch, second
Input pin, power relay KM, wire connection terminal, resistance R4 and the NE555P timer of MOC optical coupled switch, wherein resistance R4 with
Capacitance C4 connects and accesses DC power supply, and wherein capacitance C4 terminates the anode into DC power supply, and resistance R4 is terminated into DC power supply
Cathode, external access water level switch at wire connection terminal, wire connection terminal has at three, and capacitance C4 is accessed at its middle connecting terminal first
With the branch of connecting of resistance R4, triggering pin 2, the threshold values pin 6 of NE555P timers, terminals are accessed at wire connection terminal second
The negative electrode pin 1 of the first MOC optical coupled switch is accessed at son the 3rd, the negative electrode pin 2 of the first MOC optical coupled switch accesses the 2nd MOC
The negative electrode pin 1 of optical coupled switch, the negative electrode pin 2 of the 2nd MOC optical coupled switch access the anode of DC power supply, NE555P timers
Reset pin 4, power pins 8 access the cathode of DC power supply, the grounding pins 1 of NE555P timers accesses DC power supply
Anode, anode of the controlling switch 5 of NE555P timers through capacitance C5 access DC power supplies, the output pin of NE555P timers
The anode of the 3 coil access DC power supplies through relay KM；Waterproof pump seizure start-up circuit includes capacitance C3, resistance R2, resistance
The output of output pin and the 2nd MOC optical coupled switch of R3, resistance R5, the 3rd MOC optical coupled switch, the first MOC optical coupled switch are drawn
Foot, wherein resistance R2 connect with capacitance C3 and access DC power supply, and wherein capacitance C3 terminates the cathode into DC power supply, resistance R2
Terminate the anode into DC power supply, an output pin 4 access capacitance C3's and resistance R2 of the 2nd MOC optical coupled switch connects point
Point, triggering pin 2, the threshold values pin 6 of the access NE555P timers of another output pin 6 of the 2nd MOC optical coupled switch, the 3rd
The cathode of an output pin 4 access DC power supply of MOC optical coupled switch, another output pin 6 of the 3rd MOC optical coupled switch is through electricity
Connect branches of the R3 access capacitance C3 with resistance R2 is hindered, the output pin 3 of NE555P timers, the other end are accessed in resistance R5 one end
The negative electrode pin 1 of the 3rd MOC optical coupled switch is accessed, the negative electrode pin 2 of the 3rd MOC optical coupled switch accesses the first MOC optical coupled switch
An output pin 4, another output pin 6 of the first MOC optical coupled switch accesses the anode of DC power supply.
A kind of 2. intelligent self priming pump according to claim 1, it is characterised in that：The DC power supply one transient state of parallel connection suppresses two
Pole pipe.
A kind of 3. intelligent self priming pump according to claim 1, it is characterised in that：Power relay KM one rectifications two of parallel connection
Pole pipe.
A kind of 4. intelligent self priming pump according to claim 1, it is characterised in that：The DC power supply is capacitance-resistance step down type direct current
Power supply, including capacitance C1, capacitance C2, resistance R1, rectifier D1, voltage-stabiliser tube D2；Resistance R1 in capacitance-resistance step down type DC power supply
In parallel and one end accesses the one of rectifier D1 and exchanges incoming end with capacitance C1, and the other end accesses extraneous power end, rectifier D1's
Another exchange incoming end also accesses another extraneous power end, and voltage-stabiliser tube D2 is in parallel with capacitance C2, and the cathode of voltage-stabiliser tube D2 connects rectification
The positive DC output terminal of device D1, the anode of voltage-stabiliser tube D2 connect the negative DC output terminal of rectifier D1.
A kind of 5. intelligent self priming pump according to claim 1, it is characterised in that：The DC power supply includes transformer, rectification
Device D3, capacitance C6；The extraneous power supply of transformer inputs access in DC power supply, the exchange access of output terminal access rectifier D3
End, the DC output end of rectifier D3 are in parallel with capacitance C6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037787.3A CN105889082B (en) | 2015-01-26 | 2015-01-26 | A kind of intelligence self priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037787.3A CN105889082B (en) | 2015-01-26 | 2015-01-26 | A kind of intelligence self priming pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889082A CN105889082A (en) | 2016-08-24 |
| CN105889082B true CN105889082B (en) | 2018-05-11 |
Family
ID=56999569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037787.3A Active CN105889082B (en) | 2015-01-26 | 2015-01-26 | A kind of intelligence self priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889082B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588014B (en) * | 2017-07-28 | 2019-06-07 | 江苏苏华泵业有限公司 | A kind of Intelligent submersible pump |
| CN107607856B (en) * | 2017-09-20 | 2019-10-15 | 永嘉智瓯科技有限公司 | A kind of circuit board for testing intelligent self priming pump circuit board |
| CN109630422B (en) * | 2018-11-24 | 2020-05-19 | 江苏中电泵阀制造有限公司 | Control circuit of self-priming pump water testing machine |
| CN110212795B (en) * | 2019-06-18 | 2020-12-25 | 郎建敏 | Control circuit board and control system of medical rubber tube immersion machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2382865Y (en) * | 1999-07-16 | 2000-06-14 | 深圳市红门机电设备有限公司 | Electronic automatic controller for water pump |
| EP1054506A2 (en) * | 1999-05-17 | 2000-11-22 | FRANKLIN ELECTRIC Co., Inc. | Variable-speed motor drive controller for a pump-motor assembly |
| CN2864162Y (en) * | 2005-12-30 | 2007-01-31 | 莫国荣 | Water pump with self control device |
| CN203516134U (en) * | 2013-09-23 | 2014-04-02 | 赵华勇 | Pressure switch preventing water pump from sticking |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050158176A1 (en) * | 2004-01-19 | 2005-07-21 | Yiu Chih H. | Water pumping and controlling device |
-
2015
- 2015-01-26 CN CN201510037787.3A patent/CN105889082B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1054506A2 (en) * | 1999-05-17 | 2000-11-22 | FRANKLIN ELECTRIC Co., Inc. | Variable-speed motor drive controller for a pump-motor assembly |
| CN2382865Y (en) * | 1999-07-16 | 2000-06-14 | 深圳市红门机电设备有限公司 | Electronic automatic controller for water pump |
| CN2864162Y (en) * | 2005-12-30 | 2007-01-31 | 莫国荣 | Water pump with self control device |
| CN203516134U (en) * | 2013-09-23 | 2014-04-02 | 赵华勇 | Pressure switch preventing water pump from sticking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105889082A (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105889082B (en) | A kind of intelligence self priming pump | |
| CN107588014B (en) | A kind of Intelligent submersible pump | |
| CN107968455A (en) | A kind of storage battery charging-discharging intelligent control circuit | |
| CN106332410A (en) | Flash lamp driving circuit | |
| CN207869453U (en) | A kind of driving circuit of illumination and dual-purpose LED light of meeting an urgent need | |
| CN204945821U (en) | A kind of safety is again without water tower, the water level in water pool control device of waiting for power consumption | |
| CN209016790U (en) | A kind of Dual-power automatic switching DC power-supply circuit | |
| CN109268281A (en) | A kind of intelligence self priming pump | |
| CN204794037U (en) | Intelligence protection circuit | |
| CN205063663U (en) | Window control circuit is closed in rainy automation | |
| CN104901280B (en) | A kind of intelligent protection circuit | |
| CN209088574U (en) | A kind of internal/external power switching circuit | |
| CN208210374U (en) | A kind of infrared induction control circuit powered using main winding tap in non-isolated circuit | |
| CN208891094U (en) | A kind of LED lamp driving power | |
| CN105587420A (en) | Diesel engine starting and protecting controller | |
| CN205744227U (en) | Fuel solenoid valve power supply circuits for diesel engine | |
| CN108832418A (en) | Electric mosquito repellent long delay regular convenience receptacle | |
| CN110513303A (en) | A kind of control circuit board of automatic self priming pump | |
| CN110289660A (en) | Electric control circuit under a kind of communication power supply | |
| CN101588065B (en) | Wireless commerical power management circuit | |
| CN109617225A (en) | Mine power resource automatic power recovery device | |
| CN204886207U (en) | A series connection control type power saving device for grid -connected PV power generation system | |
| CN109617035B (en) | A kind of auxiliary actuating apparatus reducing power surge impact | |
| CN209627242U (en) | A kind of automatic battery charger SS (soft start) control circuit | |
| CN211296287U (en) | Breaker device of intelligence combined floodgate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Guoliang Inventor before: Zhao Huayong |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180410 Address after: Taizhou City, Zhejiang province 317500 Wenling City Zeguo town Danya Industrial Zone Applicant after: ZHEJIANG DAYUAN PUMP INDUSTRY CO., LTD. Address before: The town of Tang Ling village in Wenling city of Taizhou City, Zhejiang province 317525 No. 390 Applicant before: Zhao Huayong |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An intelligent self priming pump Effective date of registration: 20220519 Granted publication date: 20180511 Pledgee: Wenling branch of the Industrial Commercial Bank of China Ltd. Pledgor: ZHEJIANG DAYUAN PUMP INDUSTRY Co.,Ltd. Registration number: Y2022330000722 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |