CN106523412A - Fan monitoring method and device for frame circuit breaker - Google Patents
Fan monitoring method and device for frame circuit breaker Download PDFInfo
- Publication number
- CN106523412A CN106523412A CN201510575842.4A CN201510575842A CN106523412A CN 106523412 A CN106523412 A CN 106523412A CN 201510575842 A CN201510575842 A CN 201510575842A CN 106523412 A CN106523412 A CN 106523412A
- Authority
- CN
- China
- Prior art keywords
- fan
- temperature
- circuit breaker
- frame circuit
- feedback signal
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a fan monitoring method for a frame circuit breaker. A fan is used for cooling the frame circuit breaker. The fan monitoring method comprises the steps that the real-time temperature of the frame circuit breaker is acquired; rotating speed data corresponding to the real-time temperature are determined by referring to a temperature-rotating speed comparison table according to the real-time temperature; a driving signal is generated according to the rotating speed data and drives the fan to rotate; the real-time rotating speed of the fan is acquired, and a feedback signal is generated; and the working state of the fan is judged based on the real-time temperature, the rotating speed data and the feedback signal. The invention further discloses a fan monitoring device for the frame circuit breaker for executing the monitoring method. According to the fan monitoring method and device for the frame circuit breaker, the temperature, driving rotating speed and actual rotating speed of the frame circuit breaker are comprehensively considered, and thus the reliability of the fan is guaranteed when the fan is used for forcibly cooling the frame circuit breaker.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly, it relates to the heat dissipation technology of frame circuit breaker.
Background technology
The rising of frame circuit breaker temperature at work, directly influences the performance of material, and then affects
To the reliability of the property indices and product of product.The temperature for improving chopper is raised, and is improved
Its radiating condition, can effectively improve the quality and performance of product.Fan forces radiating in others
It is widely used among industry product.The Chinese patent of such as Publication No. CN101466245A
Application discloses a kind of fan heat sink and fan rotational frequency control method, including temperature sensor, temperature
Degree monitoring unit, processing unit, driver element and fan etc..It is warm that temperature monitoring unit is used for comparison
The sensing result and at least one marginal value of degree sensor, and decide whether to send according to comparative result
Interrupt event.Processing unit carries out one according to interrupt event and interrupts service, to set and export fan
Tachometer value.Driver element is driven and controls the rotating speed of fan according to rotation speed of the fan value.Fan provides distinguished and admirable
With reduce computer system inside or central processing unit temperature.This application is fan forced heat radiation in computer
Application in system.Such as CN101466245 is disclosed a kind of fan heat sink and is turned with fan again
Speed control method, including temperature sensor, temperature monitoring unit, processing unit, driver element and
Fan etc..Temperature monitoring unit is used for the sensing result and at least one marginal value of C.T sensor,
And decide whether to send interrupt event according to comparative result.Processing unit carries out one according to interrupt event
It is individual to interrupt service, to set and export rotation speed of the fan value.Driver element is driven simultaneously according to rotation speed of the fan value
The rotating speed of control fan.Fan provide it is distinguished and admirable with reduce computer system inside or central processing unit temperature.
This application is applied equally in computer system.
If among fan heat transmission to frame circuit breaker, the temperature environment of chopper can be arrived and obtain bright
Aobvious improvement.Such as CN203445030U discloses a kind of chopper, particularly relates to its internal installation
There is the intelligent frame circuit breaker of air cooling equipment.The utility model adopts following technology：One kind is with air-cooled
The intelligent frame circuit breaker of device, is provided with multiple fans on support, each fan is arranged on longitudinal row
The underface of the electrical connecting unit of row, is respectively provided with below transversely arranged each column electrical connection module unit
There is fan, on support, be additionally provided with the intelligent controller for controlling each fan respectively.In frame circuit breaker
Middle introducing fan cooling, actual effect are extremely obvious.For the framework open circuit for introducing fan cooling design
Device, the service life and reliability of fan directly influence the performance indications and reliability of chopper.
If running up for a long time for fan, understands the service life of loss of energy and fan, product is affected
Reliability.Simultaneously as in fan implantation killer switch, become the vitals of radiating, if gone out
Existing failure, can cause directly impact, and may cause great accident on the performance of chopper.Cause
And the reliability of fan is just and its important.But in the prior art, for example in CN203445030U institutes
In the chopper of announcement, the means that fan performance is not monitored, therefore arrive in current application
The fan of frame circuit breaker product value, the reliability supervision and safeguard measure during its use is also not enough.
The content of the invention
It is contemplated that a kind of fan monitoring technology of frame circuit breaker is proposed, to guarantee the work of fan
Performance.
An embodiment of the invention, proposes a kind of fan monitoring method of frame circuit breaker, fan
For the radiating of frame circuit breaker, the fan monitoring method includes：
The real time temperature of collection frame circuit breaker；
Temperature rotating speed synopsis is searched according to real time temperature, it is determined that rotating speed number corresponding with the real time temperature
According to；
Drive signal is produced according to rotary speed data, drive signal drives fan to rotate；
The real-time rotating speed of collection fan, produces feedback signal；
Based on real time temperature, rotary speed data and feedback signal, the working condition of fan is judged.
In one embodiment, the work based on real time temperature, rotary speed data and feedback signal to fan
Condition adjudgement is as follows：
In allowed band, the error of feedback signal and rotary speed data judges in threshold range temperature
Fan operating state is normal；
In allowed band, the error of feedback signal and rotary speed data judges outside threshold range temperature
Fan is slight aging；
Outside allowed band, the error of feedback signal and rotary speed data judges outside threshold range temperature
Fan is to need to change；
Outside allowed band, the error of feedback signal and rotary speed data judges in threshold range temperature
Fan operating state is normal, but there is other failures.
In one embodiment, drive signal is pwm signal.
An embodiment of the invention, discloses a kind of fan monitoring apparatus of frame circuit breaker, prison
The working condition of a fan is controlled, fan is used for the radiating of frame circuit breaker, and fan monitoring apparatus include：
Temperature sensor, control unit and speed feedback device.Temperature sensor gathers the reality of frame circuit breaker
Shi Wendu, real time temperature are provided to control unit.Control unit storage temperature rotating speed synopsis, control
Unit processed searches temperature rotating speed synopsis according to the real time temperature, it is determined that corresponding with the real time temperature
Rotary speed data, control unit produce drive signal according to rotary speed data, and drive signal drives fan to rotate.
Speed feedback device gathers the real-time rotating speed of fan, produces feedback signal, and feedback signal is fed back to control
Unit processed.Control unit is based on the real time temperature, rotary speed data and feedback signal, judges fan
Working condition.
In one embodiment, the work based on real time temperature, rotary speed data and feedback signal to fan
Condition adjudgement is as follows：
In allowed band, the error of feedback signal and rotary speed data judges in threshold range temperature
Fan operating state is normal；
In allowed band, the error of feedback signal and rotary speed data judges outside threshold range temperature
Fan is slight aging；
Outside allowed band, the error of feedback signal and rotary speed data judges outside threshold range temperature
Fan is to need to change；
Outside allowed band, the error of feedback signal and rotary speed data judges in threshold range temperature
Fan operating state is normal, but there is other failures.
In one embodiment, the drive signal that control unit is produced is pwm signal.
The present invention considers the temperature of frame circuit breaker, drives rotating speed and actual speed, solves frame
The problem of fan reliability when frame chopper carries out forcing radiating using fan.By comprehensive interpretation and control
Fan cooling processed, monitors the permission state of fan and chopper, carries out fan with breaker reliability
Judge and early warning.
Description of the drawings
The above and other feature of the present invention, property and advantage will be by below in conjunction with the accompanying drawings and real
Apply the description of example and become apparent, identical reference represents that identical is special all the time in the accompanying drawings
Levy, wherein：
Fig. 1 discloses the reality of the fan monitoring method of the frame circuit breaker of an embodiment of the invention
Existing flow chart.
Fig. 2 discloses the knot of the fan monitoring apparatus of the frame circuit breaker of an embodiment of the invention
Structure block diagram.
Specific embodiment
The present invention discloses a kind of fan monitoring method of frame circuit breaker, and fan is used for frame circuit breaker
Radiating.Fig. 1 discloses the fan monitoring method of the frame circuit breaker of an embodiment of the invention
Flowchart.The fan monitoring method includes：
The real time temperature of collection frame circuit breaker.In one embodiment, gather the reality of frame circuit breaker
Shi Wendu is realized by temperature sensor.
Temperature rotating speed synopsis is searched according to real time temperature, it is determined that rotating speed number corresponding with the real time temperature
According to.In one embodiment, real time temperature is sent to control unit, and control unit has memorizer,
Temperature rotating speed synopsis is preserved in memorizer.Control unit is compareed in temperature rotating speed according to real time temperature
Corresponding rotating speed is searched in table.
Drive signal is produced according to rotary speed data, drive signal drives fan to rotate.In one embodiment
In, produce drive signal the step of also by control unit realize.Control unit can generate PWM letters
Number as drive signal.
The real-time rotating speed of collection fan, produces feedback signal.In one embodiment, by speed feedback
Device gathers the real-time rotating speed of fan, generates feedback signal.The feedback signal can be F.G signals.
Based on real time temperature, rotary speed data and feedback signal, the working condition of fan is judged.At one
In embodiment, performed by control unit the step of the judgement.The foundation and result of judgement is as follows：
In allowed band, typically temperature is less than a setting value to temperature；Feedback signal and rotating speed number
According to error in threshold range, i.e. the basic phase of instruction rotating speed of the actual speed of fan and drive signal
Symbol, shows that fan performance is normal.Judge that fan operating state is normal.
Temperature in allowed band, the error of feedback signal and rotary speed data outside threshold range, typically
In the case of be that actual speed is slower, illustrate that the actual speed of fan does not reach instruction rotating speed, illustrate fan
Hydraulic performance decline, occurs aging.But can still play necessary cooling effect.Judge that fan is slight
It is aging.
Outside allowed band, typically temperature is higher than aforesaid setting value to temperature.Feedback signal and rotating speed
The error of data is that actual speed is slower outside threshold range, generally, illustrates the reality of fan
Less than instruction rotating speed, turn up illustrates that fan performance declines.And can not meet the requirement of cooling.
Fan is judged for needing to change.
Temperature is outside allowed band.The error of feedback signal and rotary speed data is in threshold range.Explanation
Fan work is normal, but there are other failures causes the temperature of frame circuit breaker to raise.Judge fan work
Make state normal, but there is other failures.
According to the result for judging, processed accordingly.Such as fan operating state is normal and slight
When aging, can be normal with output services state.When fan needs to change, alarm signal is sent, is referred to
Showing needs to change fan.When there are other failures, alarm signal is sent, indicating there are other failures.
Present invention further teaches a kind of fan monitoring apparatus of frame circuit breaker, perform aforesaid method,
The working condition of a fan is monitored, fan is used for the radiating of frame circuit breaker.Fig. 2 is disclosed according to this
The structured flowchart of the fan monitoring apparatus of the frame circuit breaker of one embodiment of invention.As shown in Fig. 2
The fan monitoring apparatus include：Temperature sensor 202, control unit 204 and speed feedback device 206.
Temperature sensor 202 gathers the real time temperature of frame circuit breaker, and real time temperature 202 is provided to control
Unit 204.Can communicate between control unit 204 and temperature sensor 202.Control unit 204
With memorizer, storage temperature rotating speed synopsis, control unit 204 search temperature according to real time temperature
Rotating speed synopsis, it is determined that rotary speed data corresponding with the real time temperature.Control unit 204 is according to rotating speed
Data produce drive signal, and drive signal drives fan to rotate.In one embodiment, control unit
204 generate pwm signal as drive signal.Real-time the turning of the collection fan of speed feedback device 206
Speed, produces feedback signal.In one embodiment, the feedback signal can be F.G signals.Feedback
Signal is fed back to control unit 204.Between control unit 204 and speed feedback device 206 it is also
Can communicate.Control unit 204 is based on real time temperature, rotary speed data and feedback signal, judges fan
Working condition.The foundation and result of judgement is as follows：
In allowed band, typically temperature is less than a setting value to temperature；Feedback signal and rotating speed number
According to error in threshold range, i.e. the basic phase of instruction rotating speed of the actual speed of fan and drive signal
Symbol, shows that fan performance is normal.Judge that fan operating state is normal.
Temperature in allowed band, the error of feedback signal and rotary speed data outside threshold range, typically
In the case of be that actual speed is slower, illustrate that the actual speed of fan does not reach instruction rotating speed, illustrate fan
Hydraulic performance decline, occurs aging.But can still play necessary cooling effect.Judge that fan is slight
It is aging.
Outside allowed band, typically temperature is higher than aforesaid setting value to temperature.Feedback signal and rotating speed
The error of data is that actual speed is slower outside threshold range, generally, illustrates the reality of fan
Less than instruction rotating speed, turn up illustrates that fan performance declines.And can not meet the requirement of cooling.
Fan is judged for needing to change.
Temperature is outside allowed band.The error of feedback signal and rotary speed data is in threshold range.Explanation
Fan work is normal, but there are other failures causes the temperature of frame circuit breaker to raise.Judge fan work
Make state normal, but there is other failures.
According to the result for judging, processed accordingly.Such as fan operating state is normal and slight
When aging, can be normal with output services state.When fan needs to change, alarm signal is sent, is referred to
Showing needs to change fan.When there are other failures, alarm signal is sent, indicating there are other failures.
The present invention considers the temperature of frame circuit breaker, drives rotating speed and actual speed, solves frame
The problem of fan reliability when frame chopper carries out forcing radiating using fan.By comprehensive interpretation and control
Fan cooling processed, monitors the permission state of fan and chopper, carries out fan with breaker reliability
Judge and early warning.
Above-described embodiment is available to be familiar with person in the art to realize or use the present invention, ripe
Know those skilled in the art to do above-described embodiment without departing from the present invention in the case of the inventive idea
Go out various modifications or change, thus protection scope of the present invention is not limited by above-described embodiment, and answer
This is the maximum magnitude for meeting the inventive features that claims are mentioned.
Claims (6)
1. the fan monitoring method of a kind of frame circuit breaker, the fan are used for the radiating of frame circuit breaker,
Characterized in that, the fan monitoring method includes：
The real time temperature of collection frame circuit breaker；
Temperature rotating speed synopsis is searched according to the real time temperature, it is determined that corresponding with the real time temperature turn
Fast data；
Drive signal is produced according to the rotary speed data, drive signal drives fan to rotate；
The real-time rotating speed of collection fan, produces feedback signal；
Based on the real time temperature, rotary speed data and feedback signal, the working condition of the fan is judged.
2. the fan monitoring method of frame circuit breaker as claimed in claim 1, it is characterised in that
, in allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
It is interior, judge that fan operating state is normal；
, in allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
Outward, fan is judged for slight aging；
, outside allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
Outward, fan is judged for needing to change；
, outside allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
It is interior, judge that fan operating state is normal, but there is other failures.
3. the fan monitoring method of frame circuit breaker as claimed in claim 1, it is characterised in that
The drive signal is pwm signal.
4. a kind of fan monitoring apparatus of frame circuit breaker, monitor the working condition of a fan, the wind
The radiating for frame circuit breaker is fanned, the fan monitoring apparatus include：
Temperature sensor, temperature sensor gather the real time temperature of frame circuit breaker, and real time temperature is carried
Supply control unit；
Control unit, control unit storage temperature rotating speed synopsis, control unit is according to the real-time temperature
Degree searches temperature rotating speed synopsis, it is determined that rotary speed data corresponding with the real time temperature, control unit according to
Drive signal is produced according to rotary speed data, drive signal drives fan to rotate；
Speed feedback device, speed feedback device gather the real-time rotating speed of fan, produce feedback signal,
Feedback signal is fed back to control unit；
Described control unit is based on the real time temperature, rotary speed data and feedback signal, judges the wind
The working condition of fan.
5. fan monitoring apparatus of frame circuit breaker as claimed in claim 4, it is characterised in that
, in allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
It is interior, judge that fan operating state is normal；
, in allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
Outward, fan is judged for slight aging；
, outside allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
Outward, fan is judged for needing to change；
, outside allowed band, the error of the feedback signal and rotary speed data is in threshold range for the temperature
It is interior, judge that fan operating state is normal, but there is other failures.
6. fan monitoring apparatus of frame circuit breaker as claimed in claim 4, it is characterised in that
The drive signal that described control unit is produced is pwm signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575842.4A CN106523412B (en) | 2015-09-11 | 2015-09-11 | The fan monitoring method and monitoring device of frame circuit breaker |
| PCT/CN2016/098662 WO2017041755A1 (en) | 2015-09-11 | 2016-09-12 | Fan monitoring method and monitoring apparatus for frame circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575842.4A CN106523412B (en) | 2015-09-11 | 2015-09-11 | The fan monitoring method and monitoring device of frame circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523412A true CN106523412A (en) | 2017-03-22 |
| CN106523412B CN106523412B (en) | 2018-07-03 |
Family
ID=58239551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510575842.4A Active CN106523412B (en) | 2015-09-11 | 2015-09-11 | The fan monitoring method and monitoring device of frame circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106523412B (en) |
| WO (1) | WO2017041755A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820505A (en) * | 2019-02-01 | 2019-05-31 | 上海联影医疗科技有限公司 | Blower heat dissipation device and its control method |
| CN113053682A (en) * | 2021-03-09 | 2021-06-29 | 北京北元电器有限公司 | Air-cooled air pipe, ventilation housing and multipoint cooling device for circuit breaker |
| CN114242489A (en) * | 2021-11-01 | 2022-03-25 | 中国长江三峡集团有限公司 | Distributed modulation type forced air cooling method of solid-state direct-current circuit breaker |
| TWI798998B (en) * | 2021-12-15 | 2023-04-11 | 登騰電子股份有限公司 | Fan system and monitoring method for fan system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391684A (en) * | 2020-04-10 | 2020-07-10 | 山东迅风电子有限公司 | Air cooling heat dissipation refined monitoring device and method for direct current charging pile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554706Y (en) * | 2002-05-10 | 2003-06-04 | 神基科技股份有限公司 | Intelligence fan cooling device |
| CN1427318A (en) * | 2001-12-19 | 2003-07-02 | 深圳市中兴通讯股份有限公司上海第二研究所 | Method and device of heat exchange system intelligent monitoring |
| US20080041075A1 (en) * | 2003-12-02 | 2008-02-21 | Electrolux Home Products, Inc. | Variable speed, electronically controlled, room air conditioner |
| CN202771358U (en) * | 2012-08-29 | 2013-03-06 | 浪潮集团有限公司 | Fan management device of disk array |
| CN103176887A (en) * | 2011-12-20 | 2013-06-26 | 马克西姆综合产品公司 | Method and apparatus for monitoring electromechanical device performance and reliability |
| CN103185015A (en) * | 2011-12-27 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Fan abnormity alarm system and method |
| CN103455404A (en) * | 2012-06-04 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Server fan running monitoring system and method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000003628A (en) * | 1998-06-15 | 2000-01-07 | Toshiba Corp | Cooling device for field circuit breaker |
| CN101466245A (en) * | 2007-12-19 | 2009-06-24 | 英业达股份有限公司 | Intelligent radiator of fan and method for controlling fan revolution speed |
| CN202813497U (en) * | 2012-08-22 | 2013-03-20 | 美的集团股份有限公司 | Heat dissipation device for electromagnetic ovens and electromagnetic oven |
| CN102840158B (en) * | 2012-09-13 | 2016-03-09 | 浙江创亿光电设备有限公司 | A kind of device temperature regulating method based on power |
| CN103001428B (en) * | 2012-12-26 | 2015-05-20 | 上海摩软通讯技术有限公司 | Flat motor and mobile terminal |
| CN203445030U (en) * | 2013-09-18 | 2014-02-19 | 德力西电气有限公司 | Intelligent frame circuit breaker with air-cooled apparatus |
| CN204067943U (en) * | 2014-06-09 | 2014-12-31 | 上海电科电器科技有限公司 | Circuit breaker drawer |
| CN204204693U (en) * | 2014-11-14 | 2015-03-11 | 浙江智信电器科技有限公司 | The residual current protecting breaker of plastic casing of heat-dissipating channel structure |
-
2015
- 2015-09-11 CN CN201510575842.4A patent/CN106523412B/en active Active
-
2016
- 2016-09-12 WO PCT/CN2016/098662 patent/WO2017041755A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1427318A (en) * | 2001-12-19 | 2003-07-02 | 深圳市中兴通讯股份有限公司上海第二研究所 | Method and device of heat exchange system intelligent monitoring |
| CN2554706Y (en) * | 2002-05-10 | 2003-06-04 | 神基科技股份有限公司 | Intelligence fan cooling device |
| US20080041075A1 (en) * | 2003-12-02 | 2008-02-21 | Electrolux Home Products, Inc. | Variable speed, electronically controlled, room air conditioner |
| CN103176887A (en) * | 2011-12-20 | 2013-06-26 | 马克西姆综合产品公司 | Method and apparatus for monitoring electromechanical device performance and reliability |
| CN103185015A (en) * | 2011-12-27 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Fan abnormity alarm system and method |
| CN103455404A (en) * | 2012-06-04 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Server fan running monitoring system and method |
| CN202771358U (en) * | 2012-08-29 | 2013-03-06 | 浪潮集团有限公司 | Fan management device of disk array |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820505A (en) * | 2019-02-01 | 2019-05-31 | 上海联影医疗科技有限公司 | Blower heat dissipation device and its control method |
| CN113053682A (en) * | 2021-03-09 | 2021-06-29 | 北京北元电器有限公司 | Air-cooled air pipe, ventilation housing and multipoint cooling device for circuit breaker |
| CN114242489A (en) * | 2021-11-01 | 2022-03-25 | 中国长江三峡集团有限公司 | Distributed modulation type forced air cooling method of solid-state direct-current circuit breaker |
| TWI798998B (en) * | 2021-12-15 | 2023-04-11 | 登騰電子股份有限公司 | Fan system and monitoring method for fan system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017041755A1 (en) | 2017-03-16 |
| CN106523412B (en) | 2018-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106523412A (en) | Fan monitoring method and device for frame circuit breaker | |
| US10257959B2 (en) | Method and apparatus for monitoring electromechanical device performance and reliability | |
| US20170264233A1 (en) | Temperature monitoring device, temperature monitoring method, information processing program and recording medium | |
| US20180164795A1 (en) | Fan monitoring system | |
| CN105423507A (en) | Heating control method, device and system for air conditioner | |
| CN106679076B (en) | Temperature control method and control device for frequency converter power module | |
| CN103486068B (en) | The control detecting method of intelligent fan and device, intelligent fan | |
| CN108131318A (en) | The control method for fan and device of a kind of electronic equipment | |
| CN104660440A (en) | Blade server management system and control method thereof | |
| CN111124827A (en) | Monitoring device and monitoring method for equipment fan | |
| CN108494314B (en) | Motor control method, motor control circuit and motor | |
| CN103939374B (en) | One has brush electronic fan to drive protective system and self-diagnosing method | |
| CN101752948A (en) | Detection and protection device for motor anomalies and method thereof | |
| CN105226614A (en) | Safe and reliable DC motor control system and control method | |
| CN203933153U (en) | The intelligent controller of power switch cabinet | |
| CN105891714A (en) | Motor-driven system energy monitoring and fault diagnosis apparatus and implementation method thereof | |
| KR101974585B1 (en) | Monitoring system for fan operating | |
| CN109560746B (en) | Overload protection method and device for electric vehicle driving system | |
| CN115734582A (en) | Heat dissipation method, device and system for automatic driving controller | |
| CN115940748A (en) | Temperature rise balance control method and device for multi-motor driving system | |
| US20140021902A1 (en) | Motor controller | |
| CN105807151B (en) | Method for identifying abnormality of IGBT module cooling system in real time | |
| CN112558539A (en) | Energy management system based on panoramic perception, monitoring method and air conditioner | |
| CN101493094B (en) | Method and apparatus for prolonging service life of fan disk | |
| CN110989722A (en) | Automatic temperature control system for electric control equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |