CN209488154U - Intelligent protector for motor - Google Patents
Intelligent protector for motor Download PDFInfo
- Publication number
- CN209488154U CN209488154U CN201920545894.0U CN201920545894U CN209488154U CN 209488154 U CN209488154 U CN 209488154U CN 201920545894 U CN201920545894 U CN 201920545894U CN 209488154 U CN209488154 U CN 209488154U
- Authority
- CN
- China
- Prior art keywords
- motor
- fpga chip
- circuit
- power supply
- power management
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Electric Motors In General (AREA)
Abstract
Present disclose provides intelligent protector for motor, including shell, fpga chip and electric power management circuit are provided in shell, electric power management circuit includes current detection circuit, and one end is connected with the output end of external power supply, and the other end is connected with power management microprocessor；The movable end that power management microprocessor is used to control switching switch switches between external power supply and UPS backup power source, and the fixing end for switching switch is connected by power-switching circuit with the power supply terminal of fpga chip；Power management microprocessor is connected with power supply indicator, and power supply indicator is set on shell；Fpga chip is also connected with current collection circuit, and current collection circuit is used for the output current signal of motor in real time；Fpga chip is also connected with vibrating sensor, and vibrating sensor is used for the vibration signal of motor in real time output shaft；Power management microprocessor and fpga chip are connected with background server, and background server is connected with monitor terminal.
Description
Technical field
The disclosure belongs to electric motor protecting field more particularly to a kind of intelligent protector for motor.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill
Art.
The effect of motor protecter is comprehensively protected to motor, overload, overcurrent, phase shortage, stall, short occurs in motor
When road, over-voltage, under-voltage, electric leakage, three-phase imbalance, overheat, bearing wear, rotor bias, the device being alarmed or protected.
Current motor protecter needs external working power, will be so that entire when external working power powers off suddenly
Motor protecter stops working suddenly, on the one hand may cause damage to motor protecter itself, on the other hand cannot be to motor
Carry out real-time guard.
Utility model content
According to one or more other embodiments of the present disclosure, a kind of intelligent protector for motor is provided, is existed using switching switch
Switch between external power supply and UPS backup power source, has ensured the stable operation of intelligent protector for motor.
A kind of intelligent protector for motor of the disclosure, comprising:
Shell is provided with fpga chip and electric power management circuit in the shell, and the electric power management circuit includes electric current
Detection circuit, one end of current detection circuit are connected with the output end of external power supply, the other end and power management microprocessor phase
Even；The movable end that the power management microprocessor is used to control switching switch is cut between external power supply and UPS backup power source
It changes, the fixing end for switching switch is connected by power-switching circuit with the power supply terminal of FPGA chip；The micro- place of power management
Reason device is connected with power supply indicator, and the power supply indicator is set on shell；
The fpga chip is also connected with current collection circuit, and the current collection circuit is defeated for motor in real time
Current signal out；The fpga chip is also connected with vibrating sensor, and the vibrating sensor is exported for motor in real time
The vibration signal of axis；The power management microprocessor and fpga chip are connected with background server, the background server
It is connected with monitor terminal.
In one or more embodiments, the background server is also connected with cloud server, the cloud server
It is connected with mobile terminal.
In one or more embodiments, the fpga chip is also connected with driving circuit, the driving circuit and motor
It is connected.
In one or more embodiments, breaker is also serially connected between the fpga chip and driving circuit.
In one or more embodiments, the fpga chip is also connected with Noise Acquisition module.
In one or more embodiments, the Noise Acquisition module includes monitoring head and audio card, and the monitoring head is used
In the noise for acquiring motor and be converted to analog electrical signal；The audio card is used to analog electrical signal being converted to digital signal simultaneously
It is sent to fpga chip.
In one or more embodiments, the fpga chip is also connected with temperature sensor；The temperature sensor is used
In the temperature signal of acquisition motor.
In one or more embodiments, the current collection circuit includes current transformer, the current transformer according to
It is secondary that fpga chip is connected to by signal amplification circuit and analog to digital conversion circuit.
The beneficial effect of the disclosure is:
(1) intelligent protector for motor of the disclosure is cut between external power supply and UPS backup power source using switching switch
It changes, has ensured the stable operation of intelligent protector for motor；But also external power supply failure is passed by power management microprocessor
It send to platform server, in monitor terminal real-time display and relevant staff is reminded to carry out on-call maintenance.
(2) intelligent protector for motor of the disclosure, under the premise of the operation of its own power good, moreover it is possible to while acquiring electricity
The output current signal of machine and the vibration signal of motor output shaft are simultaneously sent to background server through fpga chip, in monitor terminal
Carry out the operating status of remote real-time monitoring motor.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is a kind of intelligent protector for motor example structure schematic diagram of the disclosure.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Fig. 1 is a kind of intelligent protector for motor example structure schematic diagram of the disclosure.
As shown in Figure 1, a kind of intelligent protector for motor of the disclosure, comprising:
Shell is provided with fpga chip and electric power management circuit in the shell, and the electric power management circuit includes electric current
Detection circuit, one end of current detection circuit are connected with the output end of external power supply, the other end and power management microprocessor phase
Even；The movable end that the power management microprocessor is used to control switching switch is cut between external power supply and UPS backup power source
It changes, the fixing end for switching switch is connected by power-switching circuit with the power supply terminal of FPGA chip；The micro- place of power management
Reason device is connected with power supply indicator, and the power supply indicator is set on shell；
The fpga chip is also connected with current collection circuit, and the current collection circuit is defeated for motor in real time
Current signal out；The fpga chip is also connected with vibrating sensor, and the vibrating sensor is exported for motor in real time
The vibration signal of axis；The power management microprocessor and fpga chip are connected with background server, the background server
It is connected with monitor terminal.
Specifically, current transformer can be used to realize in current detection circuit.Current transformer is a kind of detection device, energy
The information of tested electric current is experienced, and the information experienced can be will test, is for conversion into meets certain standard need according to certain rules
The information of the electric signal wanted or other required forms output, to meet transmission, processing, storage, display, record and the control of information
Deng requirement.
51 series monolithics or ARM single-chip microcontroller can be used to realize in power management microprocessor.
The fixing end of switching switch is connected with the power supply terminal of fpga chip, and movable end is in external power supply and UPS standby electricity
Switch between source；And by the automatic control of power management microprocessor.
External power supply is the main power source of fpga chip.
UPS backup power source provides uninterruptible power supply for fpga chip.
Power-switching circuit is used to be converted to voltage signal the operating voltage of fpga chip, when the type of FPGA chip
After number determining, operating voltage is also determining, is converted then existing power supply may be selected according to the operating voltage of fpga chip
Circuit structure is realized.
Power supply indicator can be LED light.
Wherein, the current collection circuit includes current transformer, and the current transformer passes sequentially through signal amplification electricity
Road and analog to digital conversion circuit are connected to fpga chip.
Background server, constituting includes processor, hard disk, memory, system bus etc., and structure is existing structure.
Monitor terminal is display screen or other equipment having a display function.
Vibrating sensor is one of critical component in measuring technology, its effect mainly receives mechanical quantity,
And electricity proportional thereto is converted to, it is a kind of electromechanical transformation apparatus.
In another embodiment, the background server is also connected with cloud server, the cloud server and movement
Terminal is connected.
Wherein, cloud server i.e. Cloud Server are a server clusters.
Mobile terminal can be mobile phone or other mobile devices with communication function.
The fpga chip is also connected with driving circuit, and the driving circuit is connected to the motor.
Wherein, breaker is also serially connected between the fpga chip and driving circuit.
Driving circuit is used to provide respective drive signal for motor, and structure is also existing structure.
In another embodiment, the fpga chip is also connected with Noise Acquisition module；
The Noise Acquisition module includes monitoring head and audio card, noise and the conversion monitored head and be used to acquire motor
For analog electrical signal；The audio card is for being converted to digital signal for analog electrical signal and being sent to fpga chip.
In another embodiment, the fpga chip is also connected with temperature sensor；The temperature sensor is for acquiring
The temperature signal of motor.
The intelligent protector for motor of the disclosure is switched between external power supply and UPS backup power source using switching switch, is protected
The stable operation of intelligent protector for motor is hindered；But also external power supply failure is sent to by platform by power management microprocessor
Server in monitor terminal real-time display and reminds relevant staff to carry out on-call maintenance.
The intelligent protector for motor of the disclosure, under the premise of the operation of its own power good, moreover it is possible to while acquiring motor
Output current signal and motor output shaft vibration signal and be sent to background server through fpga chip, monitor terminal into
The operating status of row remote real-time monitoring motor.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (8)
1. intelligent protector for motor characterized by comprising
Shell is provided with fpga chip and electric power management circuit in the shell, and the electric power management circuit includes current detecting
Circuit, one end of current detection circuit are connected with the output end of external power supply, and the other end is connected with power management microprocessor；Institute
It states power management microprocessor and switches between external power supply and UPS backup power source for controlling the movable end of switching switch, cut
The fixing end for changing switch is connected by power-switching circuit with the power supply terminal of fpga chip；The power management microprocessor with
Power supply indicator is connected, and the power supply indicator is set on shell；
The fpga chip is also connected with current collection circuit, output electricity of the current collection circuit for motor in real time
Flow signal；The fpga chip is also connected with vibrating sensor, and the vibrating sensor is for motor in real time output shaft
Vibration signal；The power management microprocessor and fpga chip are connected with background server, the background server and prison
Control terminal is connected.
2. intelligent protector for motor as described in claim 1, which is characterized in that the background server also with cloud server
It is connected, the cloud server is connected with mobile terminal.
3. intelligent protector for motor as described in claim 1, which is characterized in that the fpga chip also with driving circuit phase
Even, the driving circuit is connected to the motor.
4. intelligent protector for motor as claimed in claim 3, which is characterized in that between the fpga chip and driving circuit also
It is serially connected with breaker.
5. intelligent protector for motor as described in claim 1, which is characterized in that the fpga chip also with Noise Acquisition module
It is connected.
6. intelligent protector for motor as claimed in claim 5, which is characterized in that the Noise Acquisition module include monitor head and
Audio card, the head of monitoring are used to acquire the noise of motor and are converted to analog electrical signal；The audio card will be for that will simulate electricity
Signal is converted to digital signal and is sent to fpga chip.
7. intelligent protector for motor as described in claim 1, which is characterized in that the fpga chip also with temperature sensor phase
Even；The temperature sensor is used to acquire the temperature signal of motor.
8. intelligent protector for motor as described in claim 1, which is characterized in that the current collection circuit includes Current Mutual Inductance
Device, the current transformer passes sequentially through signal amplification circuit and analog to digital conversion circuit is connected to fpga chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545894.0U CN209488154U (en) | 2019-04-19 | 2019-04-19 | Intelligent protector for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545894.0U CN209488154U (en) | 2019-04-19 | 2019-04-19 | Intelligent protector for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488154U true CN209488154U (en) | 2019-10-11 |
Family
ID=68135542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920545894.0U Active CN209488154U (en) | 2019-04-19 | 2019-04-19 | Intelligent protector for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209488154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595182A (en) * | 2021-07-23 | 2021-11-02 | 深圳纬图鸿达实业有限公司 | Safety and stable discharge circuit for UPS |
-
2019
- 2019-04-19 CN CN201920545894.0U patent/CN209488154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595182A (en) * | 2021-07-23 | 2021-11-02 | 深圳纬图鸿达实业有限公司 | Safety and stable discharge circuit for UPS |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103516052A (en) | Power distribution equipment on-line monitoring early-warning terminal | |
| CN101202469A (en) | Distributing transformator remote monitoring terminal based on embedded system | |
| CN102832714A (en) | Intelligent box-type substation | |
| CN102148529B (en) | Control device and control method thereof for intelligently supplying power to circuit breaker control unit | |
| CN101527234A (en) | Shunt release capable of detecting abnormal power state | |
| CN209488154U (en) | Intelligent protector for motor | |
| CN202141776U (en) | Online fault detection system of 10kV fuse protector | |
| CN204559240U (en) | Control device of circuit breaker and breaker apparatus | |
| CN102142675A (en) | Intelligent digital relay protection device | |
| CN204376460U (en) | A kind of long distance control system of BMS battery management system | |
| CN210985631U (en) | Monitoring equipment | |
| CN111142059A (en) | Intelligent detection device and method for PT unit of outdoor ring main unit | |
| CN202759292U (en) | An intelligent box-type transformer station | |
| CN205039618U (en) | Join in marriage and become monitor terminal | |
| CN213461241U (en) | UPS intelligent monitoring terminal and monitoring system | |
| CN201270385Y (en) | Intelligent synthetic electric distribution box | |
| CN211698656U (en) | Safe operation and maintenance module and intelligent compact shelf applying same | |
| CN203562840U (en) | Power distribution equipment on-line monitoring early-warning terminal | |
| CN203759108U (en) | Low-voltage power grid leakage current record analyzer | |
| CN203193382U (en) | Low voltage load intelligent monitoring device | |
| CN103795141A (en) | DC reclosing switch | |
| CN208971246U (en) | DC power on-line monitoring device | |
| CN208443924U (en) | A kind of pair of line loss realizes the circuit breaker system of management through quantification | |
| CN202014037U (en) | Demarcation switch cabinet for cable line | |
| CN206533044U (en) | High-tension switch gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |