CN205638881U - Water supply control ware based on CAN bus - Google Patents
Water supply control ware based on CAN bus Download PDFInfo
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- CN205638881U CN205638881U CN201620491383.1U CN201620491383U CN205638881U CN 205638881 U CN205638881 U CN 205638881U CN 201620491383 U CN201620491383 U CN 201620491383U CN 205638881 U CN205638881 U CN 205638881U
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- water supply
- pump group
- interface
- bus
- supply controller
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Abstract
The utility model relates to a controller technology field discloses a water supply control ware based on CAN bus for with frequency conversion water pump group link, interface, communication interface, man -machine interface and electric valve control output unit are kept apart to digital quantity input unit, analog quantity input unit, CAN bus that the water supply control ware includes the MCU module, be connected with the MCU module to reach the control source that provides working power supply for this water supply control ware, electric valve control output unit and frequency conversion water pump group link, digital quantity input unit and frequency conversion water pump group link, analog quantity input unit is through a pressure transmitter and frequency conversion water pump group link, the CAN bus is kept apart the interface and is passed through CAN bus and frequency conversion water pump group link, a communication interface and an upper computer connection. The utility model discloses realize generally energy -efficient, the constant pressure water supply system of safe and reliable, high accuracy and low maintenance cost.
Description
Technical field
This utility model relates to controller technology field, more specifically, particularly to a kind of based on CAN for water control
Device processed.
Background technology
Urbanization fast development, municipal administration region is increasing, and the water supply network of Running-water Company can not all meet
The water demand become increasingly complex, the most at night with in water time of concentration section, occurs that hydraulic pressure rapid fluctuation even has water supply point
High place occurs as soon as water supply at all and interrupts.
Traditional water supply scheme mainly uses frequency conversion band power frequency handover scheme control system complicated, and the contactor relay of switching makes
Short with the life-span, fault rate is high, working service difficulty.For solving above-mentioned technical problem, confession based on CAN technology is proposed
Water controller, to overcome described defect of the prior art.
Utility model content
The purpose of this utility model is to provide a kind of failure rate is low and changeable water supply controller based on CAN easy to maintenance.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of changeable water supply controller based on CAN, for being connected with variable frequency pump group, described changeable water supply controller includes MCU
Digital quantity input block that module is connected with MCU module, analog input unit, CAN isolating interface, communication connect
Mouth, man machine interface and electrically operated valve control output unit, and the control power supply for this changeable water supply controller offer working power,
Described electrically operated valve controls output unit and is connected with variable frequency pump group, and described digital quantity input block is connected with variable frequency pump group,
Described analog input unit is connected with variable frequency pump group by a pressure transmitter, and described CAN isolating interface passes through CAN
Bus is connected with variable frequency pump group, and described communication interface and a host computer connect.
Further, in described MCU module, it is provided with the bus module being connected with CAN isolating interface, with communication interface
The communication module connected, controls, with electrically operated valve, the digital output processing module that output unit is connected, is connected with man machine interface
Display and input processing module, the digital quantity signal processing module being connected with digital quantity input block, with analog input list
The analog signals processing module that unit connects.
Further, it is additionally provided with parameter memory module in described MCU module.
Further, 32 ARM control chips that described MCU module selects model to be ST32F103CBT6.
Compared with prior art, the utility model has the advantage of: this utility model achieves pressure signal, electrodynamic valve switch
The collection of signal, provides the controlled quentity controlled variable required for water pump control according to the signal collected, and by CAN real-time Transmission
To changeable water supply controller, changeable water supply controller is implemented to control according to the controlled quentity controlled variable received.Owing to the high speed of CAN, reliable data pass
Defeated performance so that when for hydro-environmental change, this can be reacted by controller rapidly, when controller breaks down,
Can quickly close the controller gone wrong, it is achieved the work switching of unperturbed.Realizing energy-efficient generally, safety can
Lean on, high accuracy and the constant pressure water supply system of low-maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the principle framework figure of changeable water supply controller based on CAN of the present utility model.
Fig. 2 is the circuit diagram of CAN isolating interface in changeable water supply controller based on CAN of the present utility model.
Fig. 3 is the circuit diagram that in changeable water supply controller based on CAN of the present utility model, electrically operated valve controls output unit.
Fig. 4 is the circuit diagram of analog input unit in changeable water supply controller based on CAN of the present utility model.
Fig. 5 is the circuit diagram of digital quantity input block in changeable water supply controller based on CAN of the present utility model.
Fig. 6 is the circuit diagram of parameter memory module in changeable water supply controller based on CAN of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model and spy
Levy and can be easier to be readily appreciated by one skilled in the art, thus protection domain of the present utility model is made apparent clear and definite boundary
Fixed.
Refering to shown in Fig. 1, this utility model provides a kind of changeable water supply controller based on CAN, is used for and variable frequency pump group
Connecting, described changeable water supply controller includes digital quantity input block, the analog input list that MCU module is connected with MCU module
Unit, CAN isolating interface, communication interface, man machine interface (selection touch screen) and electrically operated valve control output unit,
And the control power supply for this changeable water supply controller offer working power, described electrically operated valve controls output unit and variable frequency pump group
Connect, described digital quantity input block is connected with variable frequency pump group, described analog input unit pass through a pressure transmitter and
Variable frequency pump group connects, and described CAN isolating interface is connected with variable frequency pump group by CAN, described communication interface
It is connected with a host computer.
The bus module being connected with CAN isolating interface it is provided with, the communication being connected with communication interface in described MCU module
Module, controls the digital output processing module that is connected of output unit with electrically operated valve, the display being connected with man machine interface and defeated
Enter processing module, the digital quantity signal processing module being connected with digital quantity input block, the mould being connected with analog input unit
Analog quantity signal processing module.
Refering to shown in Fig. 2, for the circuit of CAN isolating interface, full isolated can interface ADM3053, Fig. 3 are electronic
Valve controlling output unit, Fig. 4 is the circuit of analog input unit, and Fig. 5 is the circuit of digital quantity input block.
Refering to shown in Fig. 1 and Fig. 6, described in this utility model, in MCU module, it is additionally provided with parameter memory module.
As preferably, described MCU module selection model is 32 ARM control chips of ST32F103CBT6.
This utility model is applied in constant pressure water supply system, and the pressure transmitter being arranged in variable frequency pump group is real-time pipe network
The standard signal of pressure 4～20ma is transferred to the analog input unit of changeable water supply controller, is arranged on the electricity in variable frequency pump group
The switch position signal of movable valve is connected to changeable water supply controller digital quantity input block by holding wire, and host computer is connected to communication
Interface, in real time the monitoring pressure of water system, water pump operation information, the switching state of water pump, and more require to arrange accordingly
Control parameter.Microprocessor is according to the pressure mould analog quantity signal inputted, the switch position signal of electrically operated valve, host computer control
Parameter processed is arranged, and is processed by water pump control algolithm (can be selected for existing algorithm, it is also possible to exploitation specially) and draws variable frequency pump
Controlled quentity controlled variable and the switching signal of electrically operated valve, wherein the switching signal of electrically operated valve directly controls output unit by electrically operated valve
Output switches pipeline transmission channel to variable frequency pump group, and variable frequency pump group controlled quentity controlled variable is real-time transmitted to frequency conversion water by CAN
All controllers in pump group, in variable frequency pump group, all of converter exports in real time according to controlled quentity controlled variable and controls rotating speed accordingly,
The most automatically adjusting according to water consumption and control logic accordingly, it is achieved become by Shuitu, hydraulic pressure is not enough, and pump etc. is changed in failover
Constant pressure water supply application scenario.
This utility model is owing to using the high speed of CAN, reliable data transmission performance so that when for hydro-environmental change, control
This can be reacted by device processed rapidly, when controller breaks down, can quickly close the controller gone wrong,
Realize the work switching of unperturbed.Realize energy-efficient generally, safe and reliable, high accuracy and the constant pressure water supply of low-maintenance cost
System.
Although being described in conjunction with the accompanying embodiment of the present utility model, but patent owner can be in claims
Within the scope of make various deformation or amendment, as long as less than protection domain described by claim of the present utility model, all
Should be within protection domain of the present utility model.
Claims (4)
1. a changeable water supply controller based on CAN, for being connected with variable frequency pump group, it is characterised in that: described
Changeable water supply controller includes digital quantity input block that MCU module is connected, analog input unit, CAN with MCU module
Bus isolation interface, communication interface, man machine interface and electrically operated valve control output unit, and carry for this changeable water supply controller
For the control power supply of working power, described electrically operated valve controls output unit and is connected with variable frequency pump group, and described digital quantity is defeated
Entering unit to be connected with variable frequency pump group, described analog input unit is connected with variable frequency pump group by a pressure transmitter,
Described CAN isolating interface is connected with variable frequency pump group by CAN, and described communication interface and a host computer connect.
Changeable water supply controller based on CAN the most according to claim 1, it is characterised in that: described MCU mould
Being provided with the bus module being connected with CAN isolating interface in block, the communication module being connected with communication interface, with electronic
The digital output processing module that Valve controlling output unit connects, the display being connected with man machine interface and input processing mould
Block, the digital quantity signal processing module being connected with digital quantity input block, the analog quantity being connected with analog input unit is believed
Number processing module.
Changeable water supply controller based on CAN the most according to claim 1, it is characterised in that: described MCU mould
Parameter memory module it is additionally provided with in block.
Changeable water supply controller based on CAN the most according to claim 1, it is characterised in that: described MCU mould
32 ARM control chips that block selects model to be ST32F103CBT6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491383.1U CN205638881U (en) | 2016-05-25 | 2016-05-25 | Water supply control ware based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491383.1U CN205638881U (en) | 2016-05-25 | 2016-05-25 | Water supply control ware based on CAN bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205638881U true CN205638881U (en) | 2016-10-12 |
Family
ID=57053594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620491383.1U Active CN205638881U (en) | 2016-05-25 | 2016-05-25 | Water supply control ware based on CAN bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205638881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840481A (en) * | 2016-05-25 | 2016-08-10 | 广州劳仑斯变频技术有限公司 | Water supply controller based on CAN bus |
-
2016
- 2016-05-25 CN CN201620491383.1U patent/CN205638881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840481A (en) * | 2016-05-25 | 2016-08-10 | 广州劳仑斯变频技术有限公司 | Water supply controller based on CAN bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510663 Guangdong Guangzhou hi tech Industrial Development Zone, Science City, Xiangshan Road No. 17, B201 Patentee after: Guangzhou Sanjing drive control technology Co. Ltd. Address before: 510663 B, No. 9, litchi mountain road, Guangzhou, Guangdong high tech Industrial Development Zone, 306 Patentee before: Guangzhou Lawrence Frequency Conversion Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181203 Address after: 510663 No. 9, Lichishan Road, Science City, Guangzhou High-tech Industrial Development Zone, Guangdong Province Patentee after: GUANGZHOU SANJING ELECTRIC CO., LTD. Address before: 510663 Workshop B201, No. 17 Xiangshan Road, Science City, Guangzhou High-tech Industrial Development Zone, Guangdong Province Patentee before: Guangzhou Sanjing drive control technology Co. Ltd. |
|
| TR01 | Transfer of patent right |