CN207096407U - A kind of motor operation monitoring device - Google Patents
A kind of motor operation monitoring device Download PDFInfo
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- CN207096407U CN207096407U CN201721048689.0U CN201721048689U CN207096407U CN 207096407 U CN207096407 U CN 207096407U CN 201721048689 U CN201721048689 U CN 201721048689U CN 207096407 U CN207096407 U CN 207096407U
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- circuit
- dsp chip
- monitoring device
- motor operation
- operation monitoring
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- Control Of Electric Motors In General (AREA)
Abstract
The utility model discloses a kind of motor operation monitoring device, including dsp chip, dsp chip is connected to warning circuit, and dsp chip has been bi-directionally connected high speed photo coupling 6N137, and high speed photo coupling 6N137 is connected to CAN by CAN transceiver；Dsp chip has been bi-directionally connected On-off signal output；Also include current sampling circuit, temperature measuring circuit, key circuit, clock circuit, current sampling circuit is connected to dsp chip by connecting signal conditioning circuit, temperature measuring circuit is connected to dsp chip, and key circuit is connected to dsp chip, and clock circuit is connected to dsp chip.
Description
Technical field
The utility model belongs to motor monitoring technical field, concretely relates to a kind of motor operation monitoring device.
Background technology
With the development of society, the motor quantity used in industrial processes is more and more, if motor
Break down, the normal operation of whole production system will be influenceed.Therefore, it is to protect to carry out motor effective monitoring and protection
Demonstrate,prove a vital task of production system normal work.Traditional motor monitor function is simple, generally stand-alone type, does not lead to
Telecommunication function, it is high-grade some have RS-485, staff needs to scene to understand the running situation of motor, associated motor
Interlocked operation can not be carried out, it is impossible to meet the needs of safety in production.Distributed Control System (DCS) although can make up it is above-mentioned not
Foot, but its installation and maintenance cost are all very high, using being restricted.
The degree more and more higher of current industrial automation, networking, intellectuality are inexorable trends.CAN buses are that one kind is opened
Formula, digitlization, the control system LAN of multi-point are put, is the most technology of application prospect in nowadays automatic field
One of.Because its superior performance, affordable, communication distance is remote, speed is high the advantages that, obtained in various industrial processes
More and more extensive application.
The content of the invention
The purpose of this utility model is to provide a kind of motor operation monitoring device, and it overcomes existing motor operation detection system
The shortcomings that system can not carry out remote-controlled operation and interlocked operation.
In order to solve the above technical problems, what the purpose of this utility model was realized in：
A kind of motor operation monitoring device, including dsp chip, dsp chip are connected to warning circuit, the two-way company of dsp chip
High speed photo coupling 6N137 is connected to, high speed photo coupling 6N137 is connected to CAN by CAN transceiver；Dsp chip is bi-directionally connected
There is On-off signal output；Also include current sampling circuit, temperature measuring circuit, key circuit, clock circuit, current sample electricity
Road is connected to dsp chip by connecting signal conditioning circuit, and temperature measuring circuit is connected to dsp chip, and key circuit is connected to
Dsp chip, clock circuit are connected to dsp chip.
On the basis of such scheme and as the preferred scheme of such scheme：Current sampling circuit is current transformer,
Current transformer is HCT250.
On the basis of such scheme and as the preferred scheme of such scheme：Signal conditioning circuit 2 is that active full wave is whole
Current circuit.
On the basis of such scheme and as the preferred scheme of such scheme：CAN transceiver is public from Philip
The 82C250 of production is taken charge of, the motor operation data and warning message that monitor can be uploaded to the meter of Surveillance center by CAN
Calculation machine, staff is reminded to handle corresponding situation.
On the basis of such scheme and as the preferred scheme of such scheme：Temperature measuring circuit selects American Dallas
The 1-wire digital temperature sensor DS18B20 of company.
On the basis of such scheme and as the preferred scheme of such scheme：Clock circuit selects clock chip
DS3102。
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
Motor operation monitoring device of the present utility model, it is simple in construction, it is multiple functional, dsp chip can be relied on, with reference to
CAN technology, the device have powerful, aboundresources, upgrade convenient and high reliability.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings；
This gives a kind of motor operation monitoring device, including current sampling circuit 1, signal conditioning circuit 2, temperature
Spend measuring circuit 3, key circuit 4, clock circuit 5, DSP controllers 6, warning circuit 7, high speed photo coupling 6N,137 8, CAN
Transceiver 9, On-off signal output 10 and CAN 11.The On-off signal output uses relay.
In the present embodiment, the dsp chip 6 uses TMS320F28335 chips, and TMS320F28335 has 150MHz
High speed processing ability, possess 32 floating point processing units, 6 DMA channels support ADC, McBSP and EMIF, there is up to 18
The PWM outputs on road, wherein there is the PWM that 6 tunnels are the distinctive higher precisions of TI to export (HRPWM), 12 16 passage ADC.With former generation
Dsp chip is compared, and average behavior improves 50%, and compatible with fixed point C28x controller softwares.
For the current transformer that the current sampling circuit 1 uses for HCT250, it is a kind of measurement precision current mutual inductance
Device, rated primary current 5A, secondary winding can produce 2.5m A electric current, allow ± 0.1% than difference, angular difference allows
±10。
The signal conditioning circuit 2 is active full wave rectification circuit.
For the CAN transceiver 9 from the 82C250 of Philip companies production, centre passes through high speed photo coupling 6N137
Isolated, realize the electrical isolation between each CAN nodes in bus well, isolation optocoupler 6N137 should use two sets of electricity
Source powers, and plays real buffer action.The motor operation data and warning message that monitor can be uploaded to prison by CAN
The computer at control center, staff is reminded to handle corresponding situation.
The temperature measuring circuit 3 uses the 1-wire digital temperature sensor of American Dallas semiconductor company
DS18B20, the chip internal are integrated with temperature sensor and analog-digital converter, temperature signal directly can be changed into numeral
Signal, carried out data transmission using unibus structure, processor and DS18B20 only need a connecting line, and for reading and writing and
The power supply of temperature transition can obtain in itself from data wire, without external power source.Temperature is read with 9~12 bit digitals, measurement essence
Up to 0.0625 ° of degree.
The conventional clock chip DS1302 of the selection of clock circuit 5, it is powered by two sets of power supplys, stand-by power supply 3.6V
Lithium battery power supply, clock is still continuing after power down, easily can be connected with processor, internal is specifically posted by reading it
Storage obtains temporal information.
In summary, a kind of motor operation monitoring device of the present utility model, by dsp chip, with reference to CAN skill
Art, the device have powerful, aboundresources, upgrade convenient and high reliability.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (5)
- A kind of 1. motor operation monitoring device, it is characterised in that：Including dsp chip, dsp chip is connected to warning circuit, DSP cores Piece has been bi-directionally connected high speed photo coupling 6N137, and high speed photo coupling 6N137 is connected to CAN by CAN transceiver；Dsp chip has been bi-directionally connected On-off signal output；Also include current sampling circuit, temperature measuring circuit, key circuit, clock circuit, current sampling circuit is believed by connecting Number modulate circuit is connected to dsp chip, and temperature measuring circuit is connected to dsp chip, and key circuit is connected to dsp chip, clock Circuit is connected to dsp chip.
- 2. motor operation monitoring device according to claim 1, it is characterised in that：Current sampling circuit is Current Mutual Inductance Device, current transformer HCT250.
- 3. motor operation monitoring device according to claim 1, it is characterised in that：CAN transceiver selects Philip The 82C250 of company's production.
- 4. motor operation monitoring device according to claim 1, it is characterised in that：Temperature measuring circuit selects the U.S. The 1-wire digital temperature sensor DS18B20 of Dallas companies.
- 5. motor operation monitoring device according to claim 1, it is characterised in that：Clock circuit selects clock chip DS3102。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048689.0U CN207096407U (en) | 2017-08-21 | 2017-08-21 | A kind of motor operation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048689.0U CN207096407U (en) | 2017-08-21 | 2017-08-21 | A kind of motor operation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207096407U true CN207096407U (en) | 2018-03-13 |
Family
ID=61542155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721048689.0U Active CN207096407U (en) | 2017-08-21 | 2017-08-21 | A kind of motor operation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207096407U (en) |
-
2017
- 2017-08-21 CN CN201721048689.0U patent/CN207096407U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Motor operational monitoring device Effective date of registration: 20181122 Granted publication date: 20180313 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing Xiuzhou branch Pledgor: Zhejiang Deou Electrical Technology Co., Ltd. Registration number: 2018330000406 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 3 / F, building 6, Shanghai Jiaotong University (Jiaxing) Science Park, 228 Hongye Road, Xiuzhou Industrial Zone, Jiaxing City, Zhejiang Province, 314000 Patentee after: Zhejiang Deou Electric Technology Co.,Ltd. Address before: 3 / F, building 6, Shanghai Jiaotong University (Jiaxing) Science Park, 228 Hongye Road, Xiuzhou Industrial Zone, Jiaxing City, Zhejiang Province, 314000 Patentee before: ZHEJIANG DEALOUR ELECTRIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |