CN208257702U - A kind of blower separate type frequency-conversion drive apparatus - Google Patents
A kind of blower separate type frequency-conversion drive apparatus Download PDFInfo
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- CN208257702U CN208257702U CN201820804303.2U CN201820804303U CN208257702U CN 208257702 U CN208257702 U CN 208257702U CN 201820804303 U CN201820804303 U CN 201820804303U CN 208257702 U CN208257702 U CN 208257702U
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Abstract
The utility model provides a kind of blower separate type frequency-conversion drive apparatus, motor including driving blower operating, control the driver of motor operation, it is characterized in that driver is connected with motor interface plate, motor interface plate is connected by optical fiber with control interface plate, and control interface plate passes through revolution detector respectively, temperature detector is connected to the motor.It is convenient in operational process, the motor speed signal obtained, temperature signal are compared, are handled by the control interface plate being mounted in ground control box in due course after, after signal to be passed to the motor interface plate being mounted on high-order blower by optical fiber, the driver being mounted in ground control box is given again, it is run under rated speed by driver driving motor, maintain normal operating temperature, fan trouble rate is effectively reduced, and facilitate maintenance, job stability, high reliablity when failure occurs.
Description
Technical field
The utility model relates to a kind of driving device, especially a kind of blower separate type frequency-conversion drive apparatus belongs to electric power
Technical field of driving.
Background technique
EBM blower is the product of German EBM and Siemens's co-production, uses coded communication, built-in one in design
The design method of body, i.e. transducer drive part are built in inside the iron-clad of EBM blower.Since the frequency converter course of work is a height
The process of speed and high-power IGBT (insulated gate bipolar transistor) analog sine, power of motor are provided by IGBT entirely, therefore
Operating current is very big, and the heat itself generated is very high, causes safety with operating temperature in inverse relation, the i.e. higher IGBT of temperature
A possibility that irreversible failure occurs is higher.Therefore, integrated design determines that the heat dissipation of IGBT and driving circuit will lean on completely
Fan on motor is completed, and also just because of being integrated design, IGBT is rely the wind-force flow direction of heat dissipation are as follows: heat dissipation subject matter
(such as: the big equipment of high-power transformer, booster, heavy-duty rectifier calorific value) → fan.Thus the problem of bringing is: from
Subject matter outflow is hot wind, and with regard to poor, longtime running will lead to IGBT heat dissipation channel and blocked completely IGBT heat-sinking capability itself,
And then IGBT is caused to demolish.In addition, heat dissipation is difficult, and especially installation site is higher from the ground since EBM blower is very huge,
Therefore be difficult to repair when the variable frequency drives of blower break down, it is even more impossible to shutdown maintenance, can not power-on serving, thus to life
Production brings extreme influence.
Summary of the invention
It is high in order to solve fan trouble rate, and it is difficult to the problems such as repairing in time in the event of a failure, the utility model mentions
For a kind of blower separate type frequency-conversion drive apparatus, to reduce failure rate, and can conveniently be repaired when failure occurs.
The utility model is completed by following technical proposal: a kind of blower separate type frequency-conversion drive apparatus, including driving wind
The motor of machine operating, controls the driver of motor operation, it is characterised in that driver is connected with motor interface plate, motor interface plate
Being connected by optical fiber with control interface plate, control interface plate passes through revolution detector respectively, temperature detector is connected to the motor, with
It will pass through driver driving motor and drive fan operation again, and in the process of running, will be obtained in due course by control interface plate
After motor speed signal, temperature signal are compared, handled, signal is passed to by motor interface plate by optical fiber, then give drive
Dynamic device, is run under rated speed by driver driving motor, is maintained normal working temperature, is realized the in due course control of motor operation
System guarantees that blower works normally.
The revolution detector is conventional Hall element.
The temperature detector is conventional temperature sensor.
The control interface plate includes shell, and the MCU processor on shell is arranged in, and is connected with MCU processor logical
Casually configurator, digital display, RS-232 interface, RS-485 interface, power supply, temperature signal end, Hall interface, fiber optic communication
Interface, alarm；The temperature signal that shrinkage temperature sensor detects is terminated by temperature signal, passes through Hall interface Hall
The tach signal that element testing arrives, and temperature, tach signal are transmitted to MCU processor and complete to compare, after processing, it is logical by optical fiber
Letter sends motor interface plate to, then send driver through corresponding interface by motor interface plate, by driver driving motor just
It is run under normal revolving speed, maintains normal working temperature, guarantee that blower works normally.
The MCU processor is the chip of model PIC18F45K22, in which:
Pin 8,9,10,19 is connected with AND gate circuit, then is connected with corresponding optical-fibre communications transceiver, for controlling optical fiber
The tach signal that communications transceiver issues；AND gate circuit is connected with Hall interface, the revolving speed detected for receiving Hall element
Signal；
Temperature signal end when pin 11 is run as fan, the temperature signal detected for receiving temperature sensor；
Pin 5 is connected with optical-fibre communications transceiver, after pin 4 is connected with AND gate circuit, passes through triode and optical-fibre communications transceiver phase
Even, for controlling the temperature signal of optical-fibre communications transceiver sending；
Pin 20 is connected with transistor base, for issuing alarm signal, reminds motor operation failure；
Pin 21,22 is connected with communication mode toggle switch, for selecting RS-232, RS-485 communication mode；
Pin 32,31,30,27-23 are connected with digital display respectively, are shown by digital display.
The model MAX202ECPD of the RS-232 interface, for connecting the communication of PC or other 232 interfaces of support.
The model SM75176 of the RS-485 interface, for supporting self-defining communication protocol, complete MODBUS networking or
Long-range control.
Model OP-T-1521Z, OP-R-2521Z of the fiber optic data communication interface is passed for carrying out bidirectional optical fiber communication
Send frequency conversion rotating speed information.
The power supply is for powering.
The optical-fibre communications transceiver of the motor interface plate passes through AND gate circuit respectively and is connected with motor driver interface, with
Just the speed controling signal received, temperature control signals are sent to driver, for controlling motor speed.
The utility model has following advantages and effect: using the above scheme, it is convenient to pass through driver driving motor
Fan operation is driven again, and in the process of running, will be obtained in due course by the control interface plate that is mounted in ground control box
After motor speed signal, temperature signal are compared, handled, signal is passed to by optical fiber by the electricity being mounted on high-order blower
After machine interface board, then the driver being mounted in ground control box is given, is transported under rated speed by driver driving motor
Row, maintains normal operating temperature, realizes the reed time controll of motor operation, is ensuring that original blower transports in the normal operating mode
While row, it is effectively reduced fan trouble rate, and can conveniently be repaired when failure occurs, there is job stability, can
The advantages that high, be easy to maintenance by property.
Detailed description of the invention
Fig. 1 is the utility model structural block diagram；
Fig. 2 is the control interface plate block diagram in Fig. 1；
Fig. 3 is the control interface plate circuit diagram in Fig. 1；
Fig. 4 is the motor interface plate circuit diagram in Fig. 1.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Blower separate type frequency-conversion drive apparatus provided by the utility model, the motor including driving blower operating, control electricity
The driver of machine operation, driver are connected with motor interface plate, and motor interface plate is connected by optical fiber with control interface plate, control
Interface board passes through revolution detector respectively, temperature detector is connected to the motor, and wherein driver and control interface plate are installed in
In ground control box, motor interface plate is mounted in high-order Fan casing；
The control interface plate includes shell, and the MCU processor on shell is arranged in, and is connected with MCU processor logical
Casually configurator, digital display, RS-232 interface, RS-485 interface, power supply, temperature signal end, Hall interface, fiber optic communication
Interface, alarm；The temperature signal that shrinkage temperature sensor detects is terminated by temperature signal, passes through Hall interface Hall
The tach signal that element testing arrives, and temperature, tach signal are transmitted to MCU processor and complete to compare, after processing, it is logical by optical fiber
Letter sends motor interface plate to, then send driver through corresponding interface by motor interface plate, by driver driving motor just
It is run under normal revolving speed, maintains normal working temperature, guarantee that blower works normally；
The revolution detector is conventional Hall element；
The temperature detector is conventional temperature sensor；
The MCU processor is the chip of model PIC18F45K22, in which:
Pin 19 is connected with 10 feet of 2 feet of AND gate circuit U4A, 5 feet of U4B, U4C, then with corresponding optical-fibre communications
Transceiver U7, U10, U11 are connected, and pin 8,9,10 is connected with 8 feet of 3 feet of AND gate circuit U4A, 6 feet of U4B, U4C, is used for
Control the tach signal that optical-fibre communications transceiver U7, U10, U11 are issued；4 feet of AND gate circuit U4B, 9 feet of U4C and Hall connect
Mouth is connected, the tach signal detected for receiving Hall element；
Temperature signal end when pin 11 is run as fan, the temperature signal detected for receiving temperature sensor；
Pin 5 is connected with 1 foot of optical-fibre communications transceiver U17, after pin 4 is connected with 12,13 feet of AND gate circuit U4D, passes through three poles
Pipe Q5 is connected with 1,2 feet of optical-fibre communications transceiver U12, for controlling temperature signal；
Pin 20 is connected with triode Q1 base stage, for issuing alarm signal, warns motor operation failure；
Pin 21,22 is connected with communication mode toggle switch S1, for selecting RS-232, RS-485 communication mode；
Pin 6,17,16 is connected with 3,4,5 feet of interface J1；
Pin 15 is connected with LED, with instruction operating status；
Pin 14 is connected with 10 feet of analog switch control circuit U5B, 11 feet and U4A of analog switch control circuit U5B
1 foot be connected；
Pin 3 is connected with 2 feet of photoelectrical coupler U13, then is connected with 3 feet of U16, passes through U16 and RS-458 interface phase
Even, for supporting to make by oneself to recognize communication protocol, networking or long-range control are completed；
Pin 1,44,43,42 is connected with 3,13,9,10 feet of analog selection switch controller U6 respectively, and analog selection is opened
14,15 feet for closing controller U6 are connected with 6 feet of 3 feet of U15, U14 respectively, then are connected with 1,4 feet of RS-485 interface U16,
Realize the communication of RS-458；Simultaneously analog selection switch controller U6 12,1 foot respectively with 12,11 feet of RS-232 interface U1
It is connected, realizes the communication of RS-232；
Pin corresponding with toggle switch S2 is connected pin 35 to 40 respectively, completes communication networking setting by S2；
Pin 32,31,30,27-23 are connected with the corresponding pin of digital display U3 respectively, by digital display U3 into
Row display.
The model DPY-8SEG of the light-emitting diode display, for showing the operating status and fault message of motor driver.
The model MAX202ECPD of the RS-232 interface U1, for connecting the communication of PC or other 232 interfaces of support.
The model SM75176 of the RS-485 interface U16 completes MODBUS group for supporting self-defining communication protocol
Net or long-range control.
The model OP-T-1521Z of described optical-fibre communications transceiver U7, U10, U11, U12, optical-fibre communications transceiver U17,
The model OP-R-2521Z of U2, U3, U4, U8 transmit frequency conversion rotating speed information for carrying out bidirectional optical fiber communication.
The power supply is for powering.
Optical-fibre communications transceiver U2, U3, U4 of the motor interface plate pass through AND gate circuit U1D, U1B, U1C and electricity respectively
Machine driver interface J5, J6, J7 are connected, will pass through driver control motor speed.
When work: driving fan operation again by driver driving motor, and in the process of running, pass through control interface plate
The motor speed signal obtained, temperature signal are compared, handled in due course after, signal is passed to by motor interface by optical fiber
After plate, then driver is given, is run under rated speed by driver driving motor, realize the reed time controll of motor operation,
Guarantee that blower works normally.
Claims (5)
1. a kind of blower separate type frequency-conversion drive apparatus, the motor including driving blower operating, control the driver of motor operation,
It is characterized in that driver is connected with motor interface plate, motor interface plate is connected by optical fiber with control interface plate, control interface
Plate passes through revolution detector respectively, temperature detector is connected to the motor.
2. blower separate type frequency-conversion drive apparatus according to claim 1, it is characterised in that the control interface plate includes
The MCU processor on shell is arranged in shell, and the port configurator, digital display, the RS- that are connected with MCU processor
232 interfaces, RS-485 interface, power supply, temperature signal end, Hall interface, fiber optic data communication interface, alarm.
3. blower separate type frequency-conversion drive apparatus according to claim 2, it is characterised in that the MCU processor is model
For the chip of PIC18F45K22, in which:
Pin 8,9,10,19 is connected with AND gate circuit, then is connected with corresponding optical-fibre communications transceiver, for controlling optical-fibre communications
The tach signal that transceiver issues；AND gate circuit is connected with Hall interface, the tach signal detected for receiving Hall element；
Temperature signal end when pin 11 is run as fan, the temperature signal detected for receiving temperature sensor；Pin 5
It is connected with optical-fibre communications transceiver, after pin 4 is connected with AND gate circuit, is connected by triode with optical-fibre communications transceiver, is used
In the temperature signal that control optical-fibre communications transceiver issues；
Pin 20 is connected with transistor base, for issuing alarm signal, reminds motor operation failure；
Pin 21,22 is connected with communication mode toggle switch, for selecting RS-232, RS-485 communication mode；
Pin 32,31,30,27-23 are connected with digital display respectively, are shown by digital display.
4. blower separate type frequency-conversion drive apparatus according to claim 2, it is characterised in that the type of the RS-232 interface
Number be MAX202ECPD；The model SM75176 of the RS-485 interface；The model OP-T- of the fiber optic data communication interface
1521Z、OP-R-2521Z。
5. blower separate type frequency-conversion drive apparatus according to claim 1, it is characterised in that the light of the motor interface plate
Fine communications transceiver passes through AND gate circuit respectively and is connected with motor driver interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820804303.2U CN208257702U (en) | 2018-05-28 | 2018-05-28 | A kind of blower separate type frequency-conversion drive apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820804303.2U CN208257702U (en) | 2018-05-28 | 2018-05-28 | A kind of blower separate type frequency-conversion drive apparatus |
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| Publication Number | Publication Date |
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| CN208257702U true CN208257702U (en) | 2018-12-18 |
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| CN201820804303.2U Active CN208257702U (en) | 2018-05-28 | 2018-05-28 | A kind of blower separate type frequency-conversion drive apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712133A (en) * | 2018-05-28 | 2018-10-26 | 云南兆富科技有限公司 | A kind of wind turbine separate type frequency-conversion drive apparatus |
-
2018
- 2018-05-28 CN CN201820804303.2U patent/CN208257702U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712133A (en) * | 2018-05-28 | 2018-10-26 | 云南兆富科技有限公司 | A kind of wind turbine separate type frequency-conversion drive apparatus |
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