CN206309576U - A kind of asynchronous constant pressure frequency conversion control water pump - Google Patents
A kind of asynchronous constant pressure frequency conversion control water pump Download PDFInfo
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- CN206309576U CN206309576U CN201621362712.9U CN201621362712U CN206309576U CN 206309576 U CN206309576 U CN 206309576U CN 201621362712 U CN201621362712 U CN 201621362712U CN 206309576 U CN206309576 U CN 206309576U
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- water pump
- frequency conversion
- constant pressure
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Abstract
The utility model is related to a kind of asynchronous constant pressure frequency conversion control water pump; including water pump, motor and constant pressure frequency conversion controller; pressure sensor is installed on the water pump; the constant pressure frequency conversion controller includes rectifier power supply module; main control module button display module, drive module, current sample module and failure protection module; pressure sensor is electrically connected with main control module, and current sample module and failure protection module are electrically connected with drive module；Constant pressure frequency conversion controller also includes EMC circuits, and the input input ac power of EMC circuits, the output end of EMC circuits is electrically connected with rectifier power supply module.The feedback that the utility model passes through pressure sensor, running frequency to water pump carries out real-time regulation, keep the stabilization of user's water pressure, there is provided rectifier power supply module, the working power of matching is provided for each circuit module, there is provided EMC circuits have ensured the stability and precision of out-put supply, it is to avoid voltage and current in operating circuit is too high to cause component damage.
Description
Technical field
The utility model is related to pump technology field, more particularly to a kind of asynchronous constant pressure frequency conversion control water pump.
Background technology
The features such as asynchronous constant voltage water pump is with its simple structure, low cost, technology maturity high, industrial and civilian have pole
Its extensive purposes.In recent years, with the improvement of living standards, the enhancing of people's environmental consciousness, and the electric power for continuing to increase
Supply pressure, personal and society all proposes requirement higher to the energy consumption of each electric appliances, and pressure switch was relied primarily in the past to control
System automatic single-phase water pump because its not energy-conservation and to pipeline impact cannot greatly and increasingly meet user requirement.
Asynchronous constant voltage water pump can reach object above, improve the comfortableness of user's water and the use longevity of extension pipeline
Life, but in the prior art, the control technology of asynchronous constant pressure frequency conversion water pump is simultaneously immature, and the properties of water pump are not sufficiently stable,
Consumer's Experience effect is poor.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of control performance reliability, and pressure of supply water stablizes asynchronous perseverance
Pressure VFC water pump.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of asynchronous constant pressure frequency conversion control water pump, bag
Water pump, motor and constant pressure frequency conversion controller are included, constant pressure valve and pressure sensor, the constant pressure frequency conversion control are installed on the water pump
Device processed includes the rectifier power supply module of the DC supply for providing matching for each circuit module, for data operation and control
The main control module of system and the button display module electrically connected with the main control module, the driving mould for driving the motor operation
Block, current sample module and failure protection module, the pressure sensor are electrically connected with the main control module, the current sample
Module and failure protection module are electrically connected with the drive module；The rectifier power supply module shows with the main control module, button
Show the power input electrical connection of module, drive module, current sample module and failure protection module, the constant pressure frequency conversion control
Device also includes EMC circuits, the input input ac power of the EMC circuits, output end and the rectification of the EMC circuits
Power module is electrically connected.
Used as preferred technical scheme, the rectifier power supply module includes rectification circuit, the output end of the rectification circuit
Switching power source chip is electrically connected with, the switching power source chip is electrically connected with filter circuit, and the switching power source chip is also electrically connected
It is connected to reduction voltage circuit；The rectification circuit output end, the switching power source chip output end and the reduction voltage circuit output end
It is respectively used to export the power supply of different voltage class.
Used as preferred technical scheme, the EMC circuits include common mode inductance, and the input of the common mode inductance is for defeated
Enter AC power, the output end of the common mode inductance is electrically connected to the rectifier power supply module.
Used as preferred technical scheme, the input and output end of the common mode inductance are electrically connected with common mode filtering electricity
Hold.
Used as preferred technical scheme, the output end of the common mode inductance is also electrically connected with two differential mode filter capacitors.
Used as preferred technical scheme, the output end of the common mode inductance is also electrically connected with anti-surge circuit, the wave resistance
Gushing circuit includes the first piezo-resistance, the second piezo-resistance and discharge tube.
By adopting the above-described technical solution, the beneficial effects of the utility model are：The utility model passes through pressure sensing
The feedback of device, according to the pressure in water pipe, the running frequency to water pump carries out real-time regulation, keeps the steady of user's water pressure
It is fixed, and then improve the energy-efficient performance of water pump；Due to being provided with current acquisition module and failure protection module, can be driven with Real-time Collection
The operating current and voltage of dynamic model block, exclude fault of water pump hidden danger in time, improve the reliability of water pump constant-pressure operation；Due to setting
Rectifier power supply module is put, has been water for each circuit module provides the working power of matching in water pump and constant pressure frequency conversion controller
The operation of pump is provided and ensured, due to being provided with EMC circuits, good wave filtering effect has ensured rectification power circuit out-put supply
Stability and precision；Because EMC circuits are provided with anti-surge circuit, it is to avoid the voltage and power supply in operating circuit are too high, right
Component causes to damage.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the theory diagram of the utility model embodiment；
Fig. 2 is the circuit theory diagrams of main control module in Fig. 1；
Fig. 3 is the circuit theory diagrams of rectifier power supply module in Fig. 1；
Fig. 4 is the circuit theory diagrams in EMC circuits in Fig. 1；
Specific embodiment
It is common shown as shown in Figure 1 to Figure 4, a kind of asynchronous constant pressure frequency conversion control water pump, including water pump, motor and constant pressure frequency conversion control
Device processed, is provided with constant pressure valve and pressure sensor on water pump, constant pressure frequency conversion controller includes being used for being provided for each circuit module
The rectifier power supply module of the DC supply matched somebody with somebody, is electrically connected for data operation and the main control module for controlling and with main control module
Button display module, the drive module of motor operation, current sample module and the failure protection module for connecing, pressure sensor
Electrically connected with main control module, current sample module and failure protection module are electrically connected with drive module；Rectifier power supply module and master
The power input electrical connection of control module, button display module, drive module, current sample module and failure protection module.
In the present embodiment, pressure sensor is arranged on the water outlet of water pump, for gathering pressure signal, pressure sensor
Electrically connected with main control module by connecting line, by the incoming main control module of pressure signal, main control module passes through drive module and motor
Connection.Using being analog voltage type sensor, input uses DC5V to pressure sensor, and output signal is the linear letter of 0.5-4.5V
Number, this signal is directly transferred to main control module.
The circuit theory diagrams of main control module are illustrated that in Fig. 2, main control module includes microcontroller chip IC1, microcontroller
Device chip uses 32 Flash core processors, with high-performance and various Peripheral Interfaces, at up to 30MIPS inside
The processing speed of the External Access Equipment of reason speed and 60MIPS, substantially increases microcontroller real-time control in circuit
Disposal ability.Microprocessor internal is integrated with FLASH program storage and the data storage of 256 SRAM of 12KB, built-in upper electricity
Reset (FOR) and onboard clock generator, and inside carries 6 tunnel PWM output signals and three floor excess current protective function.Microcontroller
The disposal ability of high speed and the simple external hardware resource with charging pump application, for design digital frequency conversion control is provided conveniently
Resource.
4 pins of microcontroller chip are electrically connected with pressure sensor, and 17,18,19,20,27,28 pins export 6 road PWM
Signal to drive module motor runs, and 7,8,38 pins electrically connect with current sample module, 31 pins and error protection mould
Block is electrically connected.
Constant pressure frequency conversion controller also includes EMC circuits, the input input ac power of EMC circuits, the output of EMC circuits
End electrically connects with rectifier power supply module.
EMC circuits include common mode inductance LF1, and the input of common mode inductance LF1 is used for input ac power, common mode inductance
The output end of LF1 is electrically connected to rectifier power supply module.
The input and output end of common mode inductance LF1 are electrically connected with common mode filtering electric capacity C80, C84, common mode filtering electric capacity
C80 and C84 composition common mode filtering circuits leach common-mode signal in circuit.
The output end of common mode inductance LF1 is electrically connected with two differential modes filter capacitor C85, C86, differential mode filter capacitor C85,
The commonly connected of C86 terminates to the earth E ends, the difference mode signal in filtering circuit loop.
The output end of common mode inductance LF1 is also electrically connected with anti-surge circuit, and anti-surge circuit includes the first piezo-resistance
REV1, the second piezo-resistance REV2 and discharge tube GDT1, prevent in circuit loop other devices in the excessive defective loop of voltage
Rectifier power supply module is to arrange bridge B1 including rectification circuit, and the output end for arranging bridge B1 is electrically connected with Switching Power Supply core
Piece U1, switching power source chip U1 is electrically connected with filter circuit, and switching power source chip is also electrically connected with reduction voltage circuit；Rectification circuit is defeated
Go out the power supply that end, switching power source chip output end and reduction voltage circuit output end are respectively used to export different voltage class, wherein,
Rectification circuit output end exports the voltage of 310V, and switching power source chip output end exports the voltage of 15V, and reduction voltage circuit output end is defeated
Go out the voltage of 5V, the different power supplys that matching is provided of the operational voltage level according to each circuit module.
Control principle of the present utility model is：Live signal is delivered to main control module, main control module warp by pressure sensor
Cross specific program to make a response signal, then generate pulse-width signal and be sent to drive module, drive module is by direct current
Voltage produces sine wave signal to drive asynchronous machine (i.e. pump motor) to operate by inversion, and asynchronous machine drives water pump fortune
OK.
When user's water consumption is increased, the pressure signal transmission that pressure sensor will be collected is to main control module, master control mould
Root tuber exports frequency high according to the pressure signal less than normal that pressure sensor is returned, and makes water pump according to output frequency quick regulation,
The running speed of water pump is improved, user is kept with water pressure stabilization；When user's water consumption is reduced, pressure sensor 7 will be gathered
The pressure signal transmission for arriving gives master control mould, and main control module is low to export by the pressure returned according to pressure sensor signal bigger than normal
Frequency, makes water pump that the running speed of water pump is reduced according to output frequency quick regulation, keeps user with water pressure stabilization；Work as user
When no longer using water, the constant signal of pressure in pipeline will be sent to main control module by pressure sensor, and main control module will be according to pressure
Start slowly to reduce frequency after the signal repeated detection of force snesor, control water pump slowly reduces rotating speed, until shutting down, this practicality
It is new pipeline is kept by above step in pressure it is constant.
In addition, when user is when using weep, the real-time pressure signal in pipeline will be sent to master by pressure sensor
Control module, main control module allows testing pump rotating speed adjusting output frequency control by according to the signal of the feedback of pressure sensor,
User is set to be still ensured that in the case of weep with water pressure stabilization.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (6)
1. a kind of asynchronous constant pressure frequency conversion controls water pump, including water pump, motor and constant pressure frequency conversion controller, is provided with the water pump
Constant pressure valve and pressure sensor, it is characterised in that：The constant pressure frequency conversion controller includes being used for providing matching for each circuit module
DC supply rectifier power supply module, for data operation and control main control module and with the main control module electricity
The button display module of connection, the drive module for driving the motor operation, current sample module and failure protection module, it is described
Pressure sensor is electrically connected with the main control module, the current sample module and failure protection module and drive module electricity
Connection；The rectifier power supply module and the main control module, button display module, drive module, current sample module and failure
The power input electrical connection of protection module, the constant pressure frequency conversion controller also includes EMC circuits, the input of the EMC circuits
End input ac power, the output end of the EMC circuits is electrically connected with the rectifier power supply module.
2. a kind of asynchronous constant pressure frequency conversion as claimed in claim 1 controls water pump, it is characterised in that：The rectifier power supply module bag
Rectification circuit is included, the output end of the rectification circuit is electrically connected with switching power source chip, and the switching power source chip is electrically connected with
Filter circuit, the switching power source chip is also electrically connected with reduction voltage circuit；The rectification circuit output end, the Switching Power Supply core
Piece output end and the reduction voltage circuit output end are respectively used to export the power supply of different voltage class.
3. a kind of asynchronous constant pressure frequency conversion as claimed in claim 1 controls water pump, it is characterised in that：The EMC circuits are included altogether
Mould inductance, the input of the common mode inductance is used for input ac power, and the output end of the common mode inductance is electrically connected to described
Rectifier power supply module.
4. a kind of asynchronous constant pressure frequency conversion as claimed in claim 3 controls water pump, it is characterised in that：The input of the common mode inductance
End and output end are electrically connected with common mode filtering electric capacity.
5. a kind of asynchronous constant pressure frequency conversion as claimed in claim 3 controls water pump, it is characterised in that：The output of the common mode inductance
End is also electrically connected with two differential mode filter capacitors.
6. a kind of asynchronous constant pressure frequency conversion as claimed in claim 3 controls water pump, it is characterised in that：The output of the common mode inductance
End is also electrically connected with anti-surge circuit, and the anti-surge circuit includes the first piezo-resistance, the second piezo-resistance and discharge tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362712.9U CN206309576U (en) | 2016-12-13 | 2016-12-13 | A kind of asynchronous constant pressure frequency conversion control water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362712.9U CN206309576U (en) | 2016-12-13 | 2016-12-13 | A kind of asynchronous constant pressure frequency conversion control water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309576U true CN206309576U (en) | 2017-07-07 |
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ID=59252102
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621362712.9U Active CN206309576U (en) | 2016-12-13 | 2016-12-13 | A kind of asynchronous constant pressure frequency conversion control water pump |
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| Country | Link |
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| CN (1) | CN206309576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879271A (en) * | 2021-01-22 | 2021-06-01 | 深圳市英威腾电气股份有限公司 | Control method of water lubrication process and air compressor |
-
2016
- 2016-12-13 CN CN201621362712.9U patent/CN206309576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879271A (en) * | 2021-01-22 | 2021-06-01 | 深圳市英威腾电气股份有限公司 | Control method of water lubrication process and air compressor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311228 Linjiang Industrial Park, Xiaoshan District, Zhejiang, 2977, No. six, Hangzhou Patentee after: Hangzhou Xinda Intelligent Technology Co., Ltd Address before: 311200 Linjiang Industrial Park, Xiaoshan District, Zhejiang, 2977, No. six, Hangzhou Patentee before: HANGZHOU SINODOD ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address |