CN106523412B - The fan monitoring method and monitoring device of frame circuit breaker - Google Patents
The fan monitoring method and monitoring device of frame circuit breaker Download PDFInfo
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- CN106523412B CN106523412B CN201510575842.4A CN201510575842A CN106523412B CN 106523412 B CN106523412 B CN 106523412B CN 201510575842 A CN201510575842 A CN 201510575842A CN 106523412 B CN106523412 B CN 106523412B
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- fan
- temperature
- circuit breaker
- speed data
- rotary speed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
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- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Present invention is disclosed a kind of fan monitoring method of frame circuit breaker, fan is used for the heat dissipation of frame circuit breaker, which includes：Acquire the real time temperature of frame circuit breaker；The temperature rotating speed table of comparisons is searched according to real time temperature, determines rotary speed data corresponding with the real time temperature；Drive signal, the rotation of drive signal driving fan are generated according to rotary speed data；The real-time rotating speed of fan is acquired, generates feedback signal；Based on real time temperature, rotary speed data and feedback signal, the working condition of fan is judged.Present invention further teaches a kind of fan monitoring apparatus of frame circuit breaker, perform above-mentioned monitoring method.The present invention considers temperature, driving rotating speed and the actual speed of frame circuit breaker, solves the problems, such as fan reliability when frame circuit breaker carries out forcing heat dissipation using fan.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more specifically 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 influence each of product
The reliability of item performance indicator and product.Improve the temperature raising of breaker, improve its radiating condition, can effectively improve
The quality and performance of product.Fan forces heat dissipation to be widely used among other industry products.Such as Publication No.
The Chinese patent application of CN101466245A discloses a kind of fan heat sink and fan rotational frequency control method, is passed including temperature
Sensor, temperature monitoring unit, processing unit, driving unit and fan etc..Temperature monitoring unit is used for comparison temperature sensor
Sensing result and at least one critical value, and decide whether according to comparison result to send out interrupt event.Processing unit is in
Disconnected event carries out one and interrupts service, to set and export rotation speed of the fan value.Driving unit drives and controls according to rotation speed of the fan value
The rotating speed of fan processed.Fan provides distinguished and admirable to reduce inside computer system or the temperature of central processing unit.This application is that fan is strong
Application of the system heat dissipation in computer system.For another example CN101466245 discloses a kind of fan heat sink and rotation speed of the fan control
Method processed, including temperature sensor, temperature monitoring unit, processing unit, driving unit and fan etc..Temperature monitoring unit is used
Come the sensing result of comparison temperature sensor and at least one critical value, and decide whether according to comparison result to send out interruption thing
Part.Processing unit carries out one according to interrupt event and interrupts service, to set and export rotation speed of the fan value.Driving unit is according to wind
Fan tachometer value drives and controls the rotating speed of fan.Fan provides distinguished and admirable to reduce inside computer system or the temperature of central processing unit
Degree.This application is applied equally in computer system.
If among fan heat transmission to frame circuit breaker, the temperature environment of breaker, which can arrive, to be significantly improved.
Such as CN203445030U discloses a kind of breaker, particularly relates to be equipped with the intelligent frame open circuit of air cooling equipment inside it
Device.The utility model uses following technology：A kind of band air cooling equipment intelligent frame circuit breaker is provided with multiple wind on stent
Fan, each fan is arranged on the underface of the electrical connecting unit of longitudinal arrangement, in transversely arranged each column electrical connection module unit
Lower section is both provided with fan, and the intelligent controller for controlling each fan respectively is additionally provided on stent.Draw in frame circuit breaker
Enter fan cooling, actual effect is extremely apparent.For introduce fan cooling design frame circuit breaker, the service life of fan and
Reliability directly influences the performance indicator and reliability of breaker.If the prolonged of fan runs at high speed, energy can be lost
The service life of amount and fan influences the reliability of product.Simultaneously as become the weight of heat dissipation in fan implantation killer switch
Component is wanted, if there is failure, the performance of breaker can be caused directly to influence, and may cause great accident.Thus
The reliability of fan is just and its important.But in the prior art, such as in the revealed breakers of CN203445030U, not
There are a means being monitored to fan performance, therefore in current application to the fan of frame circuit breaker product value, use process
In reliability supervision and safeguard measure it is also insufficient.
Invention content
The present invention is directed to propose a kind of fan monitoring technology of frame circuit breaker, to ensure the working performance of fan.
An embodiment according to the present invention, proposes a kind of fan monitoring method of frame circuit breaker, and fan breaks for frame
The heat dissipation of road device, the fan monitoring method include：
Acquire the real time temperature of frame circuit breaker；
The temperature rotating speed table of comparisons is searched according to real time temperature, determines rotary speed data corresponding with the real time temperature；
Drive signal, the rotation of drive signal driving fan are generated according to rotary speed data；
The real-time rotating speed of fan is acquired, generates feedback signal；
Based on real time temperature, rotary speed data and feedback signal, the working condition of fan is judged.
In one embodiment, the working condition of fan is judged such as based on real time temperature, rotary speed data and feedback signal
Under：
For temperature in allowed band, the error of feedback signal and rotary speed data judges fan work shape in threshold range
State is normal；
Temperature is in allowed band, and for the error of feedback signal and rotary speed data outside threshold range, it is slight to judge fan
Aging；
For temperature outside allowed band, the error of feedback signal and rotary speed data judges fan for needs outside threshold range
It replaces；
For temperature outside allowed band, the error of feedback signal and rotary speed data judges fan work shape in threshold range
State is normal, but there are other failures.
In one embodiment, drive signal is pwm signal.
An embodiment according to the present invention discloses a kind of fan monitoring apparatus of frame circuit breaker, one fan of monitoring
Working condition, fan are used for the heat dissipation of frame circuit breaker, and fan monitoring apparatus includes：Temperature sensor, control unit and rotating speed
Feedback device.Temperature sensor acquires the real time temperature of frame circuit breaker, and real time temperature is provided to control unit.Control unit
The storage temperature rotating speed table of comparisons, control unit search the temperature rotating speed table of comparisons according to the real time temperature, determine and the real-time temperature
Corresponding rotary speed data is spent, control unit generates drive signal, the rotation of drive signal driving fan according to rotary speed data.Rotating speed is anti-
The real-time rotating speed of device acquisition fan is presented, generates feedback signal, feedback signal is fed back to control unit.Control unit is based on institute
Real time temperature, rotary speed data and feedback signal are stated, judges the working condition of fan.
In one embodiment, the working condition of fan is judged such as based on real time temperature, rotary speed data and feedback signal
Under：
For temperature in allowed band, the error of feedback signal and rotary speed data judges fan work shape in threshold range
State is normal；
Temperature is in allowed band, and for the error of feedback signal and rotary speed data outside threshold range, it is slight to judge fan
Aging；
For temperature outside allowed band, the error of feedback signal and rotary speed data judges fan for needs outside threshold range
It replaces；
For temperature outside allowed band, the error of feedback signal and rotary speed data judges fan work shape in threshold range
State is normal, but there are other failures.
In one embodiment, the drive signal that control unit generates is pwm signal.
The present invention considers temperature, driving rotating speed and the actual speed of frame circuit breaker, and solving frame circuit breaker makes
When carrying out forcing heat dissipation with fan the problem of fan reliability.By comprehensive interpretation and control fan cooling, monitor fan and break
The permission state of road device carries out the judgement and early warning of fan and breaker reliability.
Description of the drawings
The above and other feature of the present invention, property and advantage will pass through description with reference to the accompanying drawings and examples
And become apparent, reference numeral identical in the accompanying drawings always shows identical feature, wherein：
Fig. 1 discloses the realization flow chart of the fan monitoring method of the frame circuit breaker of an embodiment according to the present invention.
Fig. 2 discloses the structure diagram of the fan monitoring apparatus of the frame circuit breaker of an embodiment according to the present invention.
Specific embodiment
The present invention discloses a kind of fan monitoring method of frame circuit breaker, and fan is used for the heat dissipation of frame circuit breaker.Fig. 1 takes off
The realization flow chart of the fan monitoring method of the frame circuit breaker of an embodiment according to the present invention is shown.The fan monitoring method
Including：
Acquire the real time temperature of frame circuit breaker.In one embodiment, the real time temperature of frame circuit breaker is acquired by temperature
Sensor is spent to realize.
The temperature rotating speed table of comparisons is searched according to real time temperature, determines rotary speed data corresponding with the real time temperature.At one
In embodiment, real time temperature is sent to control unit, and control unit has memory, temperature rotating speed pair is preserved in memory
According to table.Control unit searches corresponding rotating speed according to real time temperature in the temperature rotating speed table of comparisons.
Drive signal, the rotation of drive signal driving fan are generated according to rotary speed data.In one embodiment, driving is generated
The step of signal, is also realized by control unit.Control unit can generate pwm signal as drive signal.
The real-time rotating speed of fan is acquired, generates feedback signal.In one embodiment, fan is acquired by speed feedback device
Real-time rotating speed, generate 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.In one embodiment, should
The step of judgement, is performed by control unit.The foundation and result of judgement are as follows：
Temperature is in allowed band, and typically temperature is less than a setting value；Feedback signal and the error of rotary speed data exist
In threshold range, i.e., the actual speed of fan is consistent substantially with the instruction rotating speed of drive signal, shows that fan performance is normal.Judge
Fan operating state is normal.
For temperature in allowed band, the error of feedback signal and rotary speed data is real under normal circumstances outside threshold range
Border rotating speed is slower, illustrates that instruction rotating speed is not achieved in the actual speed of fan, illustrates that fan performance declines, aging occurs.But still
Necessary cooling effect can be played.Judge fan for slight aging.
Temperature is outside allowed band, and typically temperature is higher than aforementioned setting value.The error of feedback signal and rotary speed data
It is that actual speed is slower under normal circumstances outside threshold range, illustrates that instruction rotating speed is not achieved in the actual speed of fan, illustrate wind
Fan hydraulic performance decline.And the requirement of cooling cannot be met.Judge fan to need replacing.
Temperature is outside allowed band.Feedback signal and the error of rotary speed data are in threshold range.Illustrate fan work just
Often, but there are other failures that the temperature of frame circuit breaker to be caused to increase.Judge that fan operating state is normal, but there are other events
Barrier.
According to judgement as a result, being handled accordingly.For example fan operating state is normal and during slight aging, it can be with
Output services state is normal.When fan needs replacing, alarm signal is sent out, instruction needs replacing fan.Former there are other
During barrier, alarm signal is sent out, there are other failures for instruction.
Present invention further teaches a kind of fan monitoring apparatus of frame circuit breaker, perform aforementioned method, monitor a fan
Working condition, fan be used for frame circuit breaker heat dissipation.Fig. 2 discloses the frame circuit breaker of an embodiment according to the present invention
Fan monitoring apparatus structure diagram.As shown in Fig. 2, the fan monitoring apparatus includes：Temperature sensor 202, control unit
204 and speed feedback device 206.Temperature sensor 202 acquires the real time temperature of frame circuit breaker, and real time temperature 202 is provided
To control unit 204.It can communicate between control unit 204 and temperature sensor 202.Control unit 204 has memory,
The storage temperature rotating speed table of comparisons, control unit 204 search the temperature rotating speed table of comparisons according to real time temperature, determine and the real time temperature
Corresponding rotary speed data.Control unit 204 generates drive signal, the rotation of drive signal driving fan according to rotary speed data.One
In a embodiment, control unit 204 generates pwm signal as drive signal.Speed feedback device 206 acquires turning in real time for fan
Speed generates feedback signal.In one embodiment, which can be F.G signals.It is single that feedback signal is fed back to control
Member 204.It is also what can be communicated between control unit 204 and speed feedback device 206.Control unit 204 is based on real time temperature, turns
Fast data and feedback signal judge the working condition of fan.The foundation and result of judgement are as follows：
Temperature is in allowed band, and typically temperature is less than a setting value；Feedback signal and the error of rotary speed data exist
In threshold range, i.e., the actual speed of fan is consistent substantially with the instruction rotating speed of drive signal, shows that fan performance is normal.Judge
Fan operating state is normal.
For temperature in allowed band, the error of feedback signal and rotary speed data is real under normal circumstances outside threshold range
Border rotating speed is slower, illustrates that instruction rotating speed is not achieved in the actual speed of fan, illustrates that fan performance declines, aging occurs.But still
Necessary cooling effect can be played.Judge fan for slight aging.
Temperature is outside allowed band, and typically temperature is higher than aforementioned setting value.The error of feedback signal and rotary speed data
It is that actual speed is slower under normal circumstances outside threshold range, illustrates that instruction rotating speed is not achieved in the actual speed of fan, illustrate wind
Fan hydraulic performance decline.And the requirement of cooling cannot be met.Judge fan to need replacing.
Temperature is outside allowed band.Feedback signal and the error of rotary speed data are in threshold range.Illustrate fan work just
Often, but there are other failures that the temperature of frame circuit breaker to be caused to increase.Judge that fan operating state is normal, but there are other events
Barrier.
According to judgement as a result, being handled accordingly.For example fan operating state is normal and during slight aging, it can be with
Output services state is normal.When fan needs replacing, alarm signal is sent out, instruction needs replacing fan.Former there are other
During barrier, alarm signal is sent out, there are other failures for instruction.
The present invention considers temperature, driving rotating speed and the actual speed of frame circuit breaker, and solving frame circuit breaker makes
When carrying out forcing heat dissipation with fan the problem of fan reliability.By comprehensive interpretation and control fan cooling, monitor fan and break
The permission state of road device carries out the judgement and early warning of fan and breaker reliability.
Above-described embodiment, which is available to, to be familiar with person in the art to realize or use the present invention, and is familiar with this field
Personnel can make above-described embodiment various modifications or variation, thus this without departing from the present invention in the case of the inventive idea
The protection domain of invention is not limited by above-described embodiment, and should meet inventive features that claims are mentioned most
On a large scale.
Claims (4)
1. a kind of fan monitoring method of frame circuit breaker, the fan is used for the heat dissipation of frame circuit breaker, which is characterized in that institute
Fan monitoring method is stated to include：
Acquire the real time temperature of frame circuit breaker；
The temperature rotating speed table of comparisons is searched according to the real time temperature, determines rotary speed data corresponding with the real time temperature；
Drive signal, the rotation of drive signal driving fan are generated according to the rotary speed data；
The real-time rotating speed of fan is acquired, generates feedback signal；
Based on the real time temperature, rotary speed data and feedback signal, the working condition of the fan is judged：
For the temperature in allowed band, the error of the feedback signal and rotary speed data judges fan work in threshold range
It is normal to make state；
For the temperature in allowed band, the error of the feedback signal and rotary speed data judges that fan is outside threshold range
Slight aging；
For the temperature outside allowed band, the error of the feedback signal and rotary speed data judges that fan is outside threshold range
It needs replacing；
For the temperature outside allowed band, the error of the feedback signal and rotary speed data judges fan work in threshold range
It is normal to make state, but there are other failures.
2. the fan monitoring method of frame circuit breaker as described in claim 1, which is characterized in that
The drive signal is pwm signal.
3. a kind of fan monitoring apparatus of frame circuit breaker monitors the working condition of a fan, the fan is for frame open circuit
The heat dissipation of device, the fan monitoring apparatus include：
Temperature sensor, temperature sensor acquire the real time temperature of frame circuit breaker, and real time temperature is provided to control unit；
Control unit, the control unit storage temperature rotating speed table of comparisons, control unit search temperature rotating speed according to the real time temperature
The table of comparisons, determines rotary speed data corresponding with the real time temperature, and control unit generates drive signal, driving letter according to rotary speed data
The rotation of number driving fan；
Speed feedback device, speed feedback device acquire the real-time rotating speed of fan, generate feedback signal, and 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 working condition of the fan：
For the temperature in allowed band, the error of the feedback signal and rotary speed data judges fan work in threshold range
It is normal to make state；
For the temperature in allowed band, the error of the feedback signal and rotary speed data judges that fan is outside threshold range
Slight aging；
For the temperature outside allowed band, the error of the feedback signal and rotary speed data judges that fan is outside threshold range
It needs replacing；
For the temperature outside allowed band, the error of the feedback signal and rotary speed data judges fan work in threshold range
It is normal to make state, but there are other failures.
4. the fan monitoring apparatus of frame circuit breaker as claimed in claim 3, which is characterized in that
The drive signal that described control unit generates 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 |
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| Publication Number | Publication Date |
|---|---|
| CN106523412A CN106523412A (en) | 2017-03-22 |
| CN106523412B true CN106523412B (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510575842.4A Active CN106523412B (en) | 2015-09-11 | 2015-09-11 | The fan monitoring method and monitoring device of frame circuit breaker |
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| CN (1) | CN106523412B (en) |
| WO (1) | WO2017041755A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820505B (en) * | 2019-02-01 | 2023-04-25 | 上海联影医疗科技股份有限公司 | Fan radiating device and control method thereof |
| 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 |
| CN113053682B (en) * | 2021-03-09 | 2023-01-24 | 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106523412A (en) | 2017-03-22 |
| WO2017041755A1 (en) | 2017-03-16 |
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