CN204205564U - Based on the three-phase asynchronous motor protector of wireless transmission - Google Patents

Based on the three-phase asynchronous motor protector of wireless transmission Download PDF

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Publication number
CN204205564U
CN204205564U CN201420666668.5U CN201420666668U CN204205564U CN 204205564 U CN204205564 U CN 204205564U CN 201420666668 U CN201420666668 U CN 201420666668U CN 204205564 U CN204205564 U CN 204205564U
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China
Prior art keywords
chip microcomputer
module
circuit
chip
atmega128 single
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Expired - Fee Related
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CN201420666668.5U
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Chinese (zh)
Inventor
杨晓方
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Shaanxi Yatai Electric Appliance Co Ltd
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Shaanxi Yatai Electric Appliance Co Ltd
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Priority to CN201420666668.5U priority Critical patent/CN204205564U/en
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Abstract

The utility model discloses the three-phase asynchronous motor protector based on wireless transmission, comprise and to be connected on threephase asynchronous and for the information gathering end that gathers threephase asynchronous operational factor with for showing the display end storing the data received; The power module that described information gathering end comprises an ATMEGA128 single-chip microcomputer, the first data storage cell, wireless sending module, RS485 communication interface circuit, outputting circuit for relay, current transformer module, current converter circuit, voltage modulate circuit, A/D change-over circuit and powers for protector modules; Described display end comprises the 2nd ATMEGA128 single-chip microcomputer, 3.3V DC power supply, wireless receiving module, LCD MODULE and the second data storage cell, and the utility model novel structure is reasonable in design; protector reaction speed is fast; adopt wireless transmission safe and portable, complete function, practical.

Description

Based on the three-phase asynchronous motor protector of wireless transmission
Technical field
The utility model belongs to motor detection technique field, is specifically related to the three-phase asynchronous motor protector based on wireless transmission.
Background technology
Electric power development brings conveniently, it is convenient to bring, bring speed, and the range of application of motor is also expansion day by day, no matter be arrive spaceship greatly, also be small enough to usual electric motor car, the effect of motor is all very important, then the application of motor has been extensively on the one hand, speed improves, but this brings some negative impacts with regard to the thing followed, such as car collision, air crash etc. is all devastating impact, occur so the protector of motor is also just natural, nowadays, motor protector can accomplish motor protection rotating speed, and the rotating protection of motor, but, but protection the most basic for the protection often started most be have ignored, a kind ofly can will record so market lacks and process the overload of threephase asynchronous, overvoltage, the protector of the various fault such as under-voltage, after processor processes data completes, data are protected by storage chip, so, once something unexpected happened, just can by reading the information of storage chip, understand motor working condition when meeting accident at that time, get rid of the fault of motor, handling failure as soon as possible, save fault handling time, motor is safe and effective operates in normal range (NR) stably in protection, conventional data-signal is all the mode by wire transmission, be transferred to pin-saving chip, carry out data storage, lack a kind of can the protector of wireless transmission motor fault signal, and data are stored into storage chip, so that consequent malfunction is got rid of, the data reading of data storage is come, carry out motor protection, the misoperation of motor is avoided to be that productive life brings loss.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art; three-phase asynchronous motor protector based on wireless transmission is provided; its novel structure, reasonable in design, protector reaction speed is fast; adopt wireless transmission safe and portable; reliable, complete function, signal transacting is effective; practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: based on the three-phase asynchronous motor protector of wireless transmission, it is characterized in that: comprise and to be connected on threephase asynchronous and for the information gathering end that gathers threephase asynchronous operational factor with for showing the display end storing the data received; Described information gathering end comprises an ATMEGA128 single-chip microcomputer, power module and is connected with an ATMEGA128 single-chip microcomputer and carries out the RS485 communication interface circuit of two-way communication with an ATMEGA128 single-chip microcomputer, and is connected and the first data storage cell of real-time storage data with an ATMEGA128 single-chip microcomputer; The input of a described ATMEGA128 single-chip microcomputer is connected to the image data module for gathering motor running data; The output of a described ATMEGA128 single-chip microcomputer is connected to the outputting circuit for relay for trip protection and the wireless sending module for wirelessly transmitting data; Described image data module comprise connect successively for gather threephase asynchronous running current current transformer module, for the current information of collection is converted to voltage current converter circuit, be used for filtering and follow and the voltage modulate circuit of amplification voltage signal and be used for analogue data to be converted to the A/D change-over circuit of digital quantity; Described power module comprises 5V DC power supply and connects with 5V DC power output end and 5V direct voltage be converted to the voltage conversion circuit of 3.3V direct voltage, described voltage modulate circuit, RS485 communication interface circuit and outputting circuit for relay all connect with the 5V DC voltage output end of 5V DC power supply, and described first data storage cell, wireless sending module, A/D change-over circuit and an ATMEGA128 single-chip microcomputer all connect with voltage conversion circuit 3.3V DC voltage output end; Described display end comprises the 2nd ATMEGA128 single-chip microcomputer, 3.3V DC power supply and connects with the 2nd ATMEGA128 single-chip microcomputer and the second data storage cell for storing the data message received; The input of described 2nd ATMEGA128 single-chip microcomputer is connected to the wireless receiving module for receiving the data message that information gathering end sends over; The output of described 2nd ATMEGA128 single-chip microcomputer is connected to the LCD MODULE of display threephase asynchronous real time execution parameter; Described 2nd ATMEGA128 single-chip microcomputer, LCD MODULE and the second data storage cell all connect with the 3.3V DC voltage output end of 3.3V DC power supply.
The above-mentioned three-phase asynchronous motor protector based on wireless transmission, is characterized in that: the first chip that a described ATMEGA128 single-chip microcomputer is ATMEGA128 by model is formed; The second chip that described 2nd ATMEGA128 single-chip microcomputer is ATMEGA128 by model is formed.
The above-mentioned three-phase asynchronous motor protector based on wireless transmission, is characterized in that: described A/D change-over circuit is PCF8591P chip.
The above-mentioned three-phase asynchronous motor protector based on wireless transmission, is characterized in that: the 3rd chip that described first data storage cell is AT45DB161D by model is formed; The 4th chip that described second data storage cell is AT45DB161D by model is formed.
The above-mentioned three-phase asynchronous motor protector based on wireless transmission, is characterized in that: described current transformer module is HL-12RCT chip.
The above-mentioned three-phase asynchronous motor protector based on wireless transmission, is characterized in that: the 5th chip that described wireless sending module is nRF905 by model is formed; The 6th chip that described wireless receiving module is nRF905 by model is formed.
The utility model compared with prior art has the following advantages:
1, the utility model has that systemic-function is abundant, device simple, wireless transmission, transmission speed are fast, acquisition precision is high, cost is low and the feature such as dependable performance.
2, the utility model is by arranging the pin-saving chip store electricity motivation present case that model is AT45DB161D, therefore has power down and preserves data function, working stability, is convenient to failture evacuation inquiry.
3, the utility model is by arranging the wireless transmission circuit that model is nRF905, information gathering end 1 sends data to display end by wireless transmission circuit, and is preserved respectively by the first data storage cell 3 and the second data storage cell 18, and working line is simple, safe and reliable, transmission speed is fast.
4, the utility model is by arranging voltage modulate circuit 7, the current data that the threephase asynchronous of coming due to current transformer module 5 collection runs is treated to after the accessible voltage signal of single-chip microcomputer jagged and unstable through current converter circuit 6, therefore need voltage modulate circuit 7 signal filtering to be amplified and be convenient to microprocessor detect, precision is high, effective.
5, simple, reasonable in design, the complete function of the utility model structure, result of use is good, practical, is convenient to promote the use of.
In sum, the utility model is rationally novel in design, and protector reaction speed is fast, and adopt wireless transmission safe and portable, reliable, complete function, signal transacting is effective, practical, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the circuit connecting relation schematic diagram of each circuit of the utility model.
Description of reference numerals:
1-information gathering end; 2-display end; 3-the first data storage cell;
4-wireless sending module; 5-current transformer module; 6-current converter circuit;
7-voltage modulate circuit; 8-A/D change-over circuit; 9-the one ATMEGA128 single-chip microcomputer;
10-RS485 communication interface circuit; 11-outputting circuit for relay;
12-5V DC power supply; 13-voltage conversion circuit; 14-wireless receiving module;
15-3.3V DC power supply; 16-the two ATMEGA128 single-chip microcomputer;
17-LCD MODULE; 18-the second data storage cell;
Embodiment
As shown in Figure 1, the utility model comprises and to be connected on threephase asynchronous and for the information gathering end 1 that gathers threephase asynchronous operational factor with for showing the display end 2 storing the data received; Described information gathering end 1 comprises an ATMEGA128 single-chip microcomputer 9, power module and is connected with an ATMEGA128 single-chip microcomputer 9 and carries out the RS485 communication interface circuit 10 of two-way communication with an ATMEGA128 single-chip microcomputer 9, and is connected with an ATMEGA128 single-chip microcomputer 9 and the first data storage cell 3 of real-time storage data; The input of a described ATMEGA128 single-chip microcomputer 9 is connected to the image data module for gathering motor running data; The output of a described ATMEGA128 single-chip microcomputer 9 is connected to the outputting circuit for relay 11 for trip protection and the wireless sending module 4 for wirelessly transmitting data; Described image data module comprise connect successively for gather threephase asynchronous running current current transformer module 5, for the current information of collection is converted to voltage current converter circuit 6, be used for filtering and follow and the voltage modulate circuit 7 of amplification voltage signal and be used for analogue data to be converted to the A/D change-over circuit 8 of digital quantity; Described power module comprises 5V DC power supply 12 and connects with 5V DC power supply 12 output and 5V direct voltage be converted to the voltage conversion circuit 13 of 3.3V direct voltage, described voltage modulate circuit 7, RS485 communication interface circuit 10 and outputting circuit for relay 11 all connect with the 5V DC voltage output end of 5V DC power supply 12, and described first data storage cell 3, wireless sending module 4, A/D change-over circuit 8 and an ATMEGA128 single-chip microcomputer 9 all connect with voltage conversion circuit 133.3V DC voltage output end; Described display end 2 comprises the 2nd ATMEGA128 single-chip microcomputer 16,3.3V DC power supply 15 and connects with the 2nd ATMEGA128 single-chip microcomputer 16 and the second data storage cell 18 for storing the data message received; The input of described 2nd ATMEGA128 single-chip microcomputer 16 is connected to the wireless receiving module 14 for receiving the data message that information gathering end 1 sends over; The output of described 2nd ATMEGA128 single-chip microcomputer 16 is connected to the LCD MODULE 17 of display threephase asynchronous real time execution parameter; Described 2nd ATMEGA128 single-chip microcomputer 16, LCD MODULE 17 and the second data storage cell 18 all connect with the 3.3V DC voltage output end of 3.3V DC power supply 15.
In the present embodiment, the first chip that a described ATMEGA128 single-chip microcomputer 9 is ATMEGA128 by model is formed; The second chip that described 2nd ATMEGA128 single-chip microcomputer 16 is ATMEGA128 by model is formed.
In the present embodiment, described A/D change-over circuit 8 is PCF8591P chip.
In the present embodiment, the 3rd chip that described first data storage cell 3 is AT45DB161D by model is formed; The 4th chip that described second data storage cell 18 is AT45DB161D by model is formed.
In the present embodiment, described current transformer module 5 is HL-12RCT chip.
In the present embodiment, the 5th chip that described wireless sending module 4 is nRF905 by model is formed; The 6th chip that described wireless receiving module 14 is nRF905 by model is formed.
When the utility model uses, the current data between any two-phase of threephase asynchronous is gathered by current transformer module 5, the accessible voltage signal of single-chip microcomputer is processed into by current converter circuit 6, then voltage signal jagged for the faint band obtained is transferred to A/D change-over circuit 8 after voltage modulate circuit 7 amplification filtering is level and smooth, analog signal is converted to digital quantity and sends into single-chip microcomputer by A/D change-over circuit 8, the data obtained are sent to display end 2 by wireless sending module 4 stored in the first data storage cell 3 by single-chip microcomputer, wireless receiving module 14 in display end 2 receives data message that information gathering end sends over and is presented in LCDs by the single-chip microcomputer in display end 2, the data message transmitted is kept in the second data storage cell 18 simultaneously, once transship, the fault such as under-voltage, the rapid trip protection threephase asynchronous of relay in information gathering end 1, first data storage cell 3 adopts power down protection chip to be preserved by fault message and sends to display end 2 simultaneously simultaneously, reduce and get rid of complicated processes, be convenient to staff and keep in repair nursing.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection range of technical solutions of the utility model.

Claims (6)

1. based on the three-phase asynchronous motor protector of wireless transmission, it is characterized in that: comprise and to be connected on threephase asynchronous and for the information gathering end (1) that gathers threephase asynchronous operational factor with for showing the display end (2) storing the data received, described information gathering end (1) comprises an ATMEGA128 single-chip microcomputer (9), power module and is connected with an ATMEGA128 single-chip microcomputer (9) and carries out the RS485 communication interface circuit (10) of two-way communication with an ATMEGA128 single-chip microcomputer (9), and is connected and first data storage cell (3) of real-time storage data with an ATMEGA128 single-chip microcomputer (9), the input of a described ATMEGA128 single-chip microcomputer (9) is connected to the image data module for gathering motor running data, the output of a described ATMEGA128 single-chip microcomputer (9) is connected to the outputting circuit for relay (11) for trip protection and the wireless sending module (4) for wirelessly transmitting data, described image data module comprise connect successively for gather threephase asynchronous running current current transformer module (5), for the current information of collection is converted to voltage current converter circuit (6), follow and the voltage modulate circuit (7) of amplification voltage signal and the A/D change-over circuit (8) for analogue data being converted to digital quantity for filtering, described power module comprises 5V DC power supply (12) and connects with 5V DC power supply (12) output and 5V direct voltage be converted to the voltage conversion circuit (13) of 3.3V direct voltage, described voltage modulate circuit (7), RS485 communication interface circuit (10) and outputting circuit for relay (11) all connect with the 5V DC voltage output end of 5V DC power supply (12), described first data storage cell (3), wireless sending module (4), A/D change-over circuit (8) and an ATMEGA128 single-chip microcomputer (9) all connect with voltage conversion circuit (13) 3.3V DC voltage output end, described display end (2) comprises the 2nd ATMEGA128 single-chip microcomputer (16), 3.3V DC power supply (15) and connects with the 2nd ATMEGA128 single-chip microcomputer (16) and the second data storage cell (18) for storing the data message received, the input of described 2nd ATMEGA128 single-chip microcomputer (16) is connected to the wireless receiving module (14) for receiving the data message that information gathering end (1) sends over, the output of described 2nd ATMEGA128 single-chip microcomputer (16) is connected to the LCD MODULE (17) of display threephase asynchronous real time execution parameter, described 2nd ATMEGA128 single-chip microcomputer (16), LCD MODULE (17) and the second data storage cell (18) all connect with the 3.3V DC voltage output end of 3.3V DC power supply (15).
2. according to the three-phase asynchronous motor protector based on wireless transmission according to claim 1, it is characterized in that: the first chip that a described ATMEGA128 single-chip microcomputer (9) is ATMEGA128 by model is formed; The second chip that described 2nd ATMEGA128 single-chip microcomputer (16) is ATMEGA128 by model is formed.
3. according to the three-phase asynchronous motor protector based on wireless transmission according to claim 1, it is characterized in that: described A/D change-over circuit (8) is PCF8591P chip.
4. according to the three-phase asynchronous motor protector based on wireless transmission according to claim 1, it is characterized in that: the 3rd chip that described first data storage cell (3) is AT45DB161D by model is formed; The 4th chip that described second data storage cell (18) is AT45DB161D by model is formed.
5. according to the three-phase asynchronous motor protector based on wireless transmission according to claim 1, it is characterized in that: described current transformer module (5) is HL-12RCT chip.
6. according to the three-phase asynchronous motor protector based on wireless transmission according to claim 1, it is characterized in that: the 5th chip that described wireless sending module (4) is nRF905 by model is formed; The 6th chip that described wireless receiving module (14) is nRF905 by model is formed.
CN201420666668.5U 2014-11-08 2014-11-08 Based on the three-phase asynchronous motor protector of wireless transmission Expired - Fee Related CN204205564U (en)

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Application Number Priority Date Filing Date Title
CN201420666668.5U CN204205564U (en) 2014-11-08 2014-11-08 Based on the three-phase asynchronous motor protector of wireless transmission

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Application Number Priority Date Filing Date Title
CN201420666668.5U CN204205564U (en) 2014-11-08 2014-11-08 Based on the three-phase asynchronous motor protector of wireless transmission

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CN204205564U true CN204205564U (en) 2015-03-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849012A (en) * 2017-02-15 2017-06-13 南京越博动力系统股份有限公司 A kind of integrated protector for electric motor and its guard method based on singlechip technology
CN111900791A (en) * 2020-08-11 2020-11-06 上海道麒实业发展有限公司 On-vehicle outage holding circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849012A (en) * 2017-02-15 2017-06-13 南京越博动力系统股份有限公司 A kind of integrated protector for electric motor and its guard method based on singlechip technology
CN111900791A (en) * 2020-08-11 2020-11-06 上海道麒实业发展有限公司 On-vehicle outage holding circuit

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150311

Termination date: 20151108

EXPY Termination of patent right or utility model