CN202818195U - Brushless direct current motor control system used in full digitalization water pump - Google Patents
Brushless direct current motor control system used in full digitalization water pump Download PDFInfo
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- CN202818195U CN202818195U CN2012204521786U CN201220452178U CN202818195U CN 202818195 U CN202818195 U CN 202818195U CN 2012204521786 U CN2012204521786 U CN 2012204521786U CN 201220452178 U CN201220452178 U CN 201220452178U CN 202818195 U CN202818195 U CN 202818195U
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Abstract
The utility model discloses a brushless direct current motor control system used in a full digitalization water pump. The brushless direct current motor control system comprises a power module, and the power module is connected with an interface circuit board, a DSP core control plate, an inversion circuit board, a brushless direct current motor, and a water pump. The interface circuit board is connected with PC machines, communication tools and the Internet. The interface circuit board, the DSP core control plate, and the inversion circuit board are respectively provided with power interfaces, and are respectively connected with the power module through the power interfaces. The brushless direct current motor control system used in the full digitalization water pump improves work efficiency of the water pump and prevents unnecessary energy loss, and control modes are more diversified and operation is more flexible and convenient.
Description
Technical field
The utility model relates to a kind of control system, relates to specifically the brushless DC motor control system that a kind of totally digitilized water pump is used.
Background technology
At present, the control system of water pump that has used exists following problems:
1, water pump class plant equipment is occupied critical role in the national economy all trades and professions, and the annual energy loss that lowly causes because of running efficiency of system reaches more than 20,000,000,000 kWh.In current energy situation day by day in short supply, promote Energy Saving Technique and not only have great economic benefit, and great social benefit is arranged.The low main cause of water pump system efficient has two at present: the one, and adopt traditional valve, baffle plate to control flow; The 2nd, generally adopt lower asynchronous (induction) motor variable-frequency speed-regulating system of efficient in technological transformation and the most of newly-built system.Improve water pump system efficient one and be the performance that the hydraulic model that will develop high-quality, optimal design water pump wetted surfaces etc. improve water pump self; The 2nd, adopt rational method according to the regulating working conditions flow.
2, go back at present Main Problems in the DSP control system of water pump with brushless, permanently excited direct current motor:
(1) wireless module mainly adopts radio receiving transmitting module PTR2000 at present, and its core is the nRF401 chip.NRF401 is one and is the real monolithic UHF radio transmitting and receiving chip of 433.92MHz ISM band design.Its adopts FSK modulation-demodulation technique, and high workload speed can reach 20K, and transmitting power can be adjusted, and its maximum transmission power is+10dBm, and operating voltage range is+2.7V～+ 5.25V.But the transmission range of this mode is shorter, only has about 100M.
(2) driving chip is IR2110, and the upper brachium pontis drive power supply of its inside obtains by bootstrap technique, the voltage peak when therefore being connected to reverse withstand voltage must the work greater than driven MOSFET of diode of fixed power source.The output impedance of IR2110 inner drive is lower, directly can cause turning on and off fast of device with during its driven MOS FET, may cause the vibration between the MOSFET device drain-source utmost point, can cause radio frequency interference so on the one hand, may cause too high transient current on the other hand, and breakdown, simultaneously, its driving force is also more weak.
What (3) write in the DSP is common driving algorithm routine, can only send the PWM drive waveforms of lower frequency, thereby so that torque pulsation is larger, the motor operational efficiency is on the low side, and energy consumption is bigger than normal, and the control effect is undesirable.
(4) adopt the integral type circuit design, if will add damages of being out of order of heavy load or circuit board, then must redesign whole circuit board, increased greatly the difficulty of design cost and maintenance and repair.
(5) control model is single, lacks flexibility and making property of side.
Summary of the invention
In view of this, the utility model provides a kind of totally digitilized water pump brushless DC motor control system, has improved the operating efficiency of water pump, has avoided unnecessary energy loss, and the more diversification of its control model, operation are more flexibly with convenient.
For solving above technical problem, the technical solution of the utility model is:
Total digitalization water pump brushless DC motor control system, comprise power module, described power module is connected with interface card, DSP core control panel, inverter circuit plate, brushless DC motor and water pump respectively, and this interface card also is connected with PC, communication tool and Internet simultaneously.
Further, be provided with interface bus on the above-mentioned interface card, also be connected with respectively ethernet control module, GSM communication module, serial communication interface module, expansion interface, finger-impu system, infrared input unit and speech input device on interface bus, this interface bus also links to each other with the DSP core control panel simultaneously.
As preferably, the keyboard input devices on the above-mentioned interface card is matrix keyboard, and infrared input equipment adopts the integrated infrared receiving terminal of 38kHz, and ethernet interface module adopts the RTL8019AS chip, and the GSM communication module adopts the TC35i chip.
Further, above-mentioned DSP core control panel comprises the control board interface bus that links to each other with interface card, also be connected with CPU on this control board interface bus, also be connected with respectively display module, two 8MSARAM, 20MHz crystal oscillator, jtag interface, AD interface and pwm signal output interfaces on this CPU, and the DSP core control panel links to each other with the inverter circuit plate with the pwm signal output interface by the AD interface respectively also.
As preferably, the CUP on the described DSP core control panel is the TMS320F2812 chip, and display module adopts the color screen display.
Further, above-mentioned inverter circuit plate is provided with optically coupled circuit, power tube drive integrated circult, bridge inverter main circuit and the brushless DC motor interface circuit that links to each other successively, this optically coupled circuit also links to each other with the pwm signal output interface, on the inverter circuit plate, also be provided with separately in addition three phase terminals voltage and the bus current testing circuit that is connected with the AD interface, and brushless DC motor interface circuit and three phase terminals voltage also link to each other with brushless DC motor simultaneously with the bus current testing circuit, and brushless DC motor also links to each other with water pump simultaneously.
In addition, be respectively equipped with power interface on described interface card, DSP core control panel and the inverter circuit plate, and link to each other with power module respectively by power interface.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model DSP core control panel with chip TMS 320 F 2812 as data processing core, this chip is the general digital signal processing chip of 32 of fixed points, its instruction cycle is 6.67ns, it is integrated in high performance DSP nuclear, jumbo on-chip memory and the Motor Control peripheral circuit of special use and the peripheral circuit of other functions on the single-chip, thereby all can be realized by dsp controller so that whole water pump is controlled required various functions, and reduce greatly the volume of system;
(2) interface card of the present utility model is provided with the serial communication interface module, and this module is linked to each other with PC, thereby can transmit situation by writing host computer interface Real Time Monitoring data, can store data, analysis result, and can draw the real-time change curve chart of relevant parameter, reach the purpose of remote monitoring;
(3) finger-impu system of the present utility model adopts conventional matrix keyboard, operate easier simply, use more popular, thereby more convenient use;
(4) infrared input unit of the present utility model adopts the integrated infrared receiving terminal of 38kHz, it collects reception, amplify, demodulation is in one, directly output is digital signal, and the characteristics of infrared remote control are not affect surrounding enviroment, do not disturb other electric equipment, because it can't penetrate wall, so being in the control system of different location can use general remote controller and can not produce the phase mutual interference, thereby can better avoid extraneous interference, and circuit debugging is simple, as long as pressing given circuit connects errorless, general without any debugging can devoting oneself to work, encoding and decoding are easy, can carry out Multi-way remote control;
(5) gsm module of the present utility model adopts the circuit take TC35i as master chip, and TC35i SMS module volume is little, lightweight, and is low in energy consumption, and supported data, voice and short message, can better accept and send data;
(6) this use is novel is provided with multiple input equipment, makes its control mode more flexibly and convenient.
Description of drawings
Fig. 1 is structured flowchart of the present utility model.
Embodiment
Core thinking of the present utility model is that the simplified system structure reduces the difficulty of its manufacturing and the area of occupation of land, is easier to simultaneously this equipment is carried out regular maintenance and checks repairing.
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, total digitalization water pump brushless DC motor control system, comprise power module, described power module is connected with interface card, DSP core control panel, inverter circuit plate, brushless DC motor and water pump respectively, and this interface card also is connected with PC, communication tool and Internet simultaneously.
Be provided with interface bus on the above-mentioned interface card, also be connected with respectively ethernet control module, GSM communication module, serial communication interface module, expansion interface, finger-impu system, infrared input unit and speech input device on interface bus, this interface bus also links to each other with the DSP core control panel simultaneously.
As preferably, the keyboard input devices on the above-mentioned interface card is matrix keyboard, and infrared input equipment adopts the integrated infrared receiving terminal of 38kHz, and ethernet interface module adopts the RTL8019AS chip, and the GSM communication module adopts the TC35i chip.
For the serial communication interface module that realizes DSP data disposable plates and the serial ports of host computer communicate mutually, thereby realize BLDCM Drive System is controlled, so just need to be converted to the UART level to Transistor-Transistor Logic level, in utility model, used the MAX232 hardware circuit to realize this level conversion function for this reason, the TD pin of PC serial ports is data transmitting pin, through after the MAX232, level by-10V～+ 10V is transformed into 0 ~+data that 5V is connected to the DSP serial ports accept pin; In like manner the data transmitting pin of DSP serial ports is finished level conversion through MAX232 to receive the RD pin of PC serial ports is that data are accepted on the pin.Can transmit situation by writing host computer interface Real Time Monitoring data, can store data, analysis result, and can draw the real-time change curve chart of relevant parameter, reach the purpose of remote monitoring.
Ethernet interface module adopts the RTL8019AS chip, and normal working voltage wider range of this chip is simplified design, and the power source voltage Vcc of RTL8019AS chip meets 3.3V, and the holding wire of it and DSP TMS320F2812 can directly link to each other.Adopt the I/O operator scheme, pin AUI selects the bnc interface mode, and this mode is supported 8 core twisted-pair feeder or coaxial cables.Pin JP is the high level jumper, and at this moment the I/O address of chip is determined by pin IOS1～IOS3, makes IOS1～IOS3 unsettled, and the I/O port address that expression is used is 0x300.Pin IOCS16B connects and draws resistance selection 163 bit data bus.Pin PL1 and PL0 are used for selecting the self-detection pattern.
Above-mentioned DSP core control panel comprises the control board interface bus that links to each other with interface card, also be connected with CPU on this control board interface bus, also be connected with respectively display module, two 8MSARAM, 20MHz crystal oscillator, jtag interface, AD interface and pwm signal output interfaces on this CPU, and the DSP core control panel links to each other with the inverter circuit plate with the pwm signal output interface by the AD interface respectively also.
The GSM communication module adopts the circuit take TC35i as master chip, and TC35i is the highly integrated gsm module of a double frequency 900/1800MHZ.TC35i SMS module volume is little, lightweight, low in energy consumption, supported data, voice and short message, and the design mainly uses its message function.
As preferably, the CUP on the DSP core control panel is the TMS320F2812 chip, and display module adopts the color screen display.
Above-mentioned inverter circuit plate is provided with optically coupled circuit, power tube drive integrated circult, bridge inverter main circuit and the brushless DC motor interface circuit that links to each other successively, this optically coupled circuit also links to each other with the pwm signal output interface, on the inverter circuit plate, also be provided with separately in addition three phase terminals voltage and the bus current testing circuit that is connected with the AD interface, and brushless DC motor interface circuit and three phase terminals voltage also link to each other with brushless DC motor simultaneously with the bus current testing circuit, and brushless DC motor also links to each other with water pump simultaneously.
The inverter circuit module is owing to the inverter circuit employing is to overlap up and down the full control circuit of the bridge-type that forms by 6 MOSFET power field effect pipe Q1 ~ Q6, so for the convenience that designs and reliable, the integrated six output high-pressure MOS gate drivers IR2136 of the high-performance that has adopted the U.S. international rectification company to produce have herein designed this drive circuit.
Be respectively equipped with power interface on described interface card, DSP core control panel and the inverter circuit plate, and link to each other with power module respectively by power interface.
Only be preferred implementation of the present utility model below, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection range of the present utility model should be as the criterion with the claim limited range.For those skilled in the art, within not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1. totally digitilized water pump brushless DC motor control system, comprise power module, it is characterized in that, described power module is connected with interface card, DSP core control panel, inverter circuit plate, brushless DC motor and water pump respectively, and this interface card also is connected with PC, communication tool and Internet simultaneously.
2. totally digitilized water pump brushless DC motor control system according to claim 1, it is characterized in that, be provided with interface bus on the described interface card, also be connected with respectively ethernet control module, GSM communication module, serial communication interface module, expansion interface, finger-impu system, infrared input unit and speech input device on interface bus, this interface bus also links to each other with the DSP core control panel simultaneously.
3. totally digitilized water pump brushless DC motor control system according to claim 2, it is characterized in that, described DSP core control panel comprises the control board interface bus that links to each other with interface card, also be connected with CPU on this control board interface bus, also be connected with respectively display module, two 8MSARAM, 20MHz crystal oscillator, jtag interface, AD interface and pwm signal output interfaces on this CPU, and the DSP core control panel links to each other with the inverter circuit plate with the pwm signal output interface by the AD interface respectively also.
4. totally digitilized water pump brushless DC motor control system according to claim 3, it is characterized in that, described inverter circuit plate is provided with the optically coupled circuit that links to each other successively, the power tube drive integrated circult, bridge inverter main circuit and brushless DC motor interface circuit, this optically coupled circuit also links to each other with the pwm signal output interface, on the inverter circuit plate, also be provided with separately in addition three phase terminals voltage and the bus current testing circuit that is connected with the AD interface, and brushless DC motor interface circuit and three phase terminals voltage link to each other also with the bus current testing circuit simultaneously with brushless DC motor.
5. totally digitilized water pump brushless DC motor control system according to claim 6 is characterized in that described brushless DC motor also links to each other with water pump.
6. the described totally digitilized water pump brushless DC motor control system of any one according to claim 1-5, it is characterized in that, be respectively equipped with power interface on described interface card, DSP core control panel and the inverter circuit plate, and link to each other with power module respectively by power interface.
7. totally digitilized water pump brushless DC motor control system according to claim 6 is characterized in that, the CUP on the described DSP core control panel is the TMS320F2812 chip, and display module adopts the color screen display.
8. totally digitilized water pump brushless DC motor control system according to claim 7, it is characterized in that, keyboard input devices on the described interface card is matrix keyboard, infrared input equipment adopts the integrated infrared receiving terminal of 38kHz, ethernet interface module adopts the RTL8019AS chip, and the GSM communication module adopts the TC35i chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204521786U CN202818195U (en) | 2012-09-06 | 2012-09-06 | Brushless direct current motor control system used in full digitalization water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204521786U CN202818195U (en) | 2012-09-06 | 2012-09-06 | Brushless direct current motor control system used in full digitalization water pump |
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| CN202818195U true CN202818195U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012204521786U Expired - Lifetime CN202818195U (en) | 2012-09-06 | 2012-09-06 | Brushless direct current motor control system used in full digitalization water pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089259A (en) * | 2021-03-18 | 2021-07-09 | 创维电器股份有限公司 | Three-in-one full-direct-current variable frequency drive integrated control system in washing machine and control method thereof |
| WO2021144127A1 (en) * | 2020-01-15 | 2021-07-22 | Gea Food Solutions Germany Gmbh | Device and method for processing and/or transporting food comprising a remote-controlled conveying device drive |
-
2012
- 2012-09-06 CN CN2012204521786U patent/CN202818195U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021144127A1 (en) * | 2020-01-15 | 2021-07-22 | Gea Food Solutions Germany Gmbh | Device and method for processing and/or transporting food comprising a remote-controlled conveying device drive |
| CN113089259A (en) * | 2021-03-18 | 2021-07-09 | 创维电器股份有限公司 | Three-in-one full-direct-current variable frequency drive integrated control system in washing machine and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220114 Address after: 610051 No. 915, floor 9, unit 1, building 1, No. 19, Vanke Road, Chenghua District, Chengdu, Sichuan Patentee after: Kunpeng Vientiane (Chengdu) Intelligent Technology Co.,Ltd. Address before: 610039, No. 999, Jin Zhou road, Jinniu District, Sichuan, Chengdu Patentee before: XIHUA University |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |