CN208904658U - A kind of Active Power Filter-APF with temperature environment monitoring function - Google Patents
A kind of Active Power Filter-APF with temperature environment monitoring function Download PDFInfo
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- CN208904658U CN208904658U CN201821737359.7U CN201821737359U CN208904658U CN 208904658 U CN208904658 U CN 208904658U CN 201821737359 U CN201821737359 U CN 201821737359U CN 208904658 U CN208904658 U CN 208904658U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
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Abstract
The utility model discloses a kind of Active Power Filter-APFs with temperature environment monitoring function, comprising: the radiator fan and temperature sensor being arranged in Active Power Filter-APF, the driving circuit and radiator fan control that the temperature sensor is connect by lotus root connect；The driving circuit includes: external power supply, first capacitor, first resistor, MC33063A chip, zener diode, inductance, second resistance, 3rd resistor, the 5th resistance, NMOS tube, comparator and amplifier；By the way that temperature sensor is arranged, the environment temperature in Active Power Filter-APF can be monitored in real time, the shutdown of the NMOS tube in driving circuit is controlled according to environment temperature, to control the output voltage of radiator fan, achieve the purpose that adjust rotation speed of the fan, radiator fan is avoided to be continuously in the state to run at high speed, environmental protection and energy saving extend the service life of radiator fan；The strong antijamming capability of the driving circuit simultaneously, circuit stability is high, and circuit structure is simple, controls sensitive.
Description
Technical field
The utility model belongs to electrical equipment technical field, and in particular to a kind of with the active of temperature environment monitoring function
Electric-power filter.
Background technique
Active Power Filter-APF is a kind of for dynamic harmonic wave, the novel electric power electric device of compensating reactive power, its energy
The harmonic wave and the idle of variation all change to size and frequency compensates, and application can overcome traditional humorous such as LC filter
The shortcomings that wave inhibition and reactive-load compensation method；The basic principle of Active Power Filter-APF are as follows: detect the voltage and electricity of target compensation
The command signal of compensation electric current is calculated through instruction current computing circuit for stream, and the compensated current occuring circuit of the signal amplifies,
It obtains compensation electric current, the harmonic wave to be compensated in compensation electric current and load current and idle equal current cancelings, finally obtains desired
Source current.
The heat dissipation of existing Active Power Filter-APF mainly carries out wind-cooling heat dissipating with temperature sensor control radiator fan, but
After temperature sensor starts radiator fan rotation, radiator fan is constantly in the state to run at high speed, cannot reduce by one in temperature
Low-speed running saving electric energy is carried out after determining threshold value, leads to the waste of electric energy, cannot achieve the purpose that environmental protection and energy saving.
Utility model content
To overcome technological deficiency of the existing technology, the utility model discloses one kind to have temperature environment monitoring function
Active Power Filter-APF.
Technical solution adopted by the utility model to solve its technical problems is a kind of with temperature environment monitoring function
Active Power Filter-APF, comprising: the radiator fan and temperature sensor being arranged in Active Power Filter-APF, the temperature sensor
Driving circuit and the radiator fan control connect by lotus root connects；The driving circuit includes: external power supply, first capacitor, first
Resistance, MC33063A chip, zener diode, inductance, second resistance, 3rd resistor, the 5th resistance, NMOS tube, comparator and
Amplifier；
The signal input part of the temperature sensor connects external power supply, and the signal output end of temperature sensor connects amplification
The input terminal of device, the non-inverting input terminal of the output end connection comparator of amplifier, the external benchmark electricity of the inverting input terminal of comparator
Pressure, the power end of comparator connect external power supply, the ground terminal ground connection of comparator, the grid of the output end connection NMOS tube of comparator
Pole, the source electrode ground connection of NMOS tube；
The VC pin of MC33063A chip connects external power supply, and the VC pin of MC33063A chip is also connect by first capacitor
Ground, connects first resistor between the VC pin and IP pin of MC33063A chip, the D pin and C pin of MC33063A chip connect
One end of first resistor is connect, the T pin and GND pin of MC33063A chip are grounded, and the E pin of MC33063A chip connects inductance
First end, inductance second end connection radiator fan one end, radiator fan the other end ground connection, the E of MC33063A chip
Pin is also grounded by zener diode, is serially connected with second resistance and 3rd resistor between the second end and ground of inductance,
The common end of I pin the connection second resistance and 3rd resistor of MC33063A chip, the common end of second resistance and 3rd resistor
The drain electrode of NMOS tube is connected by the 5th resistance.
Preferably, the output end of the amplifier is also connected with the input terminal of optical coupling isolator, the output of optical coupling isolator
The non-inverting input terminal of end connection comparator, the non-inverting input terminal of comparator also pass through the 4th resistance connection external power supply.
Preferably, the model 6N317 that the optical coupling isolator uses.
Preferably, the second capacitor and are also respectively connected between the T pin and I pin and ground of the MC33063A chip
Three capacitors.
Preferably, the second end of the inductance also passes through the 4th capacity earth.
Preferably, the chip model that the amplifier uses is ICL7650.
The beneficial effects of the utility model are: Active Power Filter-APF can be monitored in real time by setting temperature sensor
Interior environment temperature controls the shutdown of the NMOS tube in driving circuit according to environment temperature, to control the output of radiator fan
Voltage achievees the purpose that adjusting rotation speed of the fan, and radiator fan is avoided to be continuously in the state to run at high speed, and environmental protection and energy saving extend
The service life of radiator fan；The strong antijamming capability of the driving circuit simultaneously, circuit stability is high, and circuit structure is simple, control
It makes sensitive.
Detailed description of the invention
Fig. 1 is the circuit diagram of driving circuit described in the utility model.
Appended drawing reference: VCC- external power supply, C1- first capacitor, R1- first resistor, MC33063A-MC33063A chip,
The second capacitor of C2-, C3- third capacitor, DW- zener diode, L- inductance, R2- second resistance, R3- 3rd resistor, R5- the 5th
Resistance, NMOS- NMOS tube, U1- comparator, AMP- amplifier, the 4th capacitor of C4-, OC- optical coupling isolator, the 4th resistance of R4-,
U0- reference voltage, RS- temperature sensor, F- radiator fan.
Specific embodiment
More detailed description is done to the embodiments of the present invention below in conjunction with attached drawing and appended drawing reference, makes to be familiar with ability
The technology people in domain can implement accordingly after studying this specification carefully.It should be appreciated that specific embodiment described herein is only to solve
The utility model is released, is not used to limit the utility model.
A kind of Active Power Filter-APF with temperature environment monitoring function, comprising: be arranged in Active Power Filter-APF
The driving circuit and radiator fan F control that radiator fan F and temperature sensor RS, the temperature sensor RS are connect by lotus root connect
It connects；The driving circuit includes: external power supply VCC, first capacitor C1, first resistor R1, MC33063A chip MC33063A, steady
Press diode DW, inductance L, second resistance R2,3rd resistor R3, the 5th resistance R5, NMOS tube NMOS, comparator U1 and amplifier
AMP；
The signal input part of the temperature sensor RS connects external power supply VCC, the signal output end of temperature sensor RS
The input terminal of amplifier AMP is connected, the non-inverting input terminal of the output end connection comparator U1 of amplifier AMP, comparator U1's is anti-
The power end of phase input terminal external reference voltage U0, comparator U1 connect external power supply VCC, and the ground terminal of comparator U1 is grounded,
The grid of the output end connection NMOS tube NMOS of comparator U1, the source electrode ground connection of NMOS tube NMOS；
The VC pin of MC33063A chip MC33063A connects external power supply VCC, and the VC pin of MC33063A chip is also logical
First capacitor C1 ground connection is crossed, first resistor R1 is connected between the VC pin and IP pin of MC33063A chip MC33063A,
The D pin of MC33063A chip MC33063A connect one end of first resistor R1 with C pin, MC33063A chip MC33063A's
T pin and GND pin are grounded, the first end of the E pin connection inductance L of MC33063A chip MC33063A, the second end of inductance L
One end of radiator fan F, the other end ground connection of radiator fan F are connected, the E pin of MC33063A chip MC33063A also passes through surely
Diode DW ground connection is pressed, second resistance R2 and 3rd resistor R3, MC33063A chip are serially connected between the second end and ground of inductance L
The common end of the connection of I pin the second resistance R2 and 3rd resistor R3 of MC33063A, the public affairs of second resistance R2 and 3rd resistor R3
End passes through the drain electrode of the 5th resistance R5 connection NMOS tube NMOS altogether；
Specifically, the temperature sensor RS is used to acquire the temperature environment in Active Power Filter-APF, since temperature passes
The voltage signal converted after sensor RS temperature collection is very faint, therefore is amplified the voltage signal with amplifier AMP, after amplification
Voltage signal enter the non-inverting input terminal of comparator U1 and be compared with reference voltage U0, reference voltage U0 is temperature threshold pair
The voltage threshold answered, existing Active Power Filter-APF work when, if operating temperature it is excessively high reach heat dissipation threshold value when, temperature sensing
Device controls radiator fan and starts to work；But after the temperature environment in Active Power Filter-APF is reduced to certain value by radiator fan,
For example after reducing by 8 DEG C~10 DEG C, radiator fan runs at high speed without the moment, only the rotation of certain revolving speed need to be maintained to radiate
, temperature environment value at this time is temperature threshold, corresponding reference voltage U0 value；
If environment temperature is less than temperature threshold, amplified voltage value is less than reference voltage U0 value, comparator U1 at this time
Low level signal is exported, NMOS tube NMOS receives low level signal cut-off, the output voltage of radiator fan F are as follows: V=V1*(1+R2/
R3), if the resistance value of setting second resistance R2 is 3.6 Κ Ω, the resistance value of 3rd resistor R3 is 1.2 Κ Ω, the 5th electricity
The voltage value of resistance R5 is far smaller than the resistance value of second resistance R2 and the resistance value of 3rd resistor R3, it is assumed that the electricity of the 5th resistance R5
Resistance value is 400 Ω；The output voltage of radiator fan F at this time are as follows: V=V1* (1+3.6/1.2)=4V1；
If environment temperature is greater than temperature threshold, amplified voltage value is greater than reference voltage U0 value, comparator U1 at this time
High level signal is exported, NMOS tube NMOS receives high level signal conducting, the output voltage of radiator fan F are as follows: V=V1* (1+
3.6 Ω of Κ Ω/400)=10V1, wherein resistance of the resistance value of 400 Ω for 3rd resistor R3 and the 5th resistance R5 after in parallel
Value, V1It is steady state value 1.25V for the voltage value of the 5th pin inside MC33063A chip MC33063A；It can be seen that due to
The conducting of NMOS tube is so that the 5th resistance R5 parallel connection access, improves the output voltage values of radiator fan F, that is, improve radiation air
Fan the revolving speed of F；
In conclusion real-time monitoring is carried out to environment temperature according to temperature sensor RS, when environment temperature is less than temperature threshold
When value, the output voltage of radiator fan F is reduced, that is, reduces the revolving speed of radiator fan F, the radiator fan F moment is avoided to be in
The state to run at high speed wastes electric energy, plays the purpose of environmental protection and energy saving；Wherein the first capacitor C1 in driving circuit is filtered electrical
Hold, first resistor R1 is current-limiting resistance, and the chip pin of MC33063A chip MC33063A is customized by existing factory businessman.
The output end of the amplifier AMP is also connected with the input terminal of optical coupling isolator OC, the output of optical coupling isolator OC
The non-inverting input terminal of end connection comparator U1, the non-inverting input terminal of comparator U1 also pass through the 4th resistance R4 connection external power supply
VCC；The optical coupling isolator OC is connected between amplifier AMP and comparator U1, eliminate amplifying circuit and comparison circuit it
Between be electrically connected the interference of generation, improve the anti-interference of entire circuit, improve the serious forgiveness of system.
The model 6N317 that the optical coupling isolator OC is used；6N317 is high speed photo coupling isolator, has temperature, electric current
And voltage compensating function, high input and output isolation, small power consumption.
The second capacitor C2 is also respectively connected between the T pin and I pin and ground of the MC33063A chip MC33063A
With third capacitor C3；The second capacitor C2 and third capacitor C3 is anti-interference capacitor, improves the anti-interference of driving circuit.
The second end of the inductance L also passes through the 4th capacitor C4 ground connection；The 4th capacitor C4 is filter capacitor.
The chip model that the amplifier AMP is used is ICL7650；ICL7650 is high precision operating amplifier, is had defeated
Enter small bias current, the small, high gain of imbalance, common mode inhibition capacity is strong, response is fast, drift is low, performance is stable and cheap etc.
Advantage.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical
In novel protection scope.
Claims (6)
1. a kind of Active Power Filter-APF with temperature environment monitoring function, it is characterised in that: include: Active Power Filter-APF
The radiator fan and temperature sensor of interior setting, the driving circuit and radiator fan control that the temperature sensor is connect by lotus root connect
It connects；The driving circuit include: external power supply, first capacitor, first resistor, MC33063A chip, zener diode, inductance,
Second resistance, 3rd resistor, the 5th resistance, NMOS tube, comparator and amplifier；
The signal input part of the temperature sensor connects external power supply, the signal output end connection amplifier of temperature sensor
Input terminal, the non-inverting input terminal of the output end connection comparator of amplifier, the external reference voltage of the inverting input terminal of comparator, than
Power end compared with device connects external power supply, the ground terminal ground connection of comparator, and the output end of comparator connects the grid of NMOS tube,
The source electrode of NMOS tube is grounded；
The VC pin of MC33063A chip connects external power supply, and the VC pin of MC33063A chip is also grounded by first capacitor,
First resistor is connected between the VC pin and IP pin of MC33063A chip, the D pin of MC33063A chip connect with C pin
One end of one resistance, the T pin of MC33063A chip and GND pin are grounded, and the of the E pin connection inductance of MC33063A chip
One end, one end of the second end connection radiator fan of inductance, the other end ground connection of radiator fan, the E pin of MC33063A chip
It is also grounded by zener diode, second resistance and 3rd resistor, MC33063A core is serially connected between the second end and ground of inductance
The common end of the common end of I pin the connection second resistance and 3rd resistor of piece, second resistance and 3rd resistor passes through the 5th electricity
The drain electrode of resistance connection NMOS tube.
2. a kind of Active Power Filter-APF with temperature environment monitoring function as described in claim 1, it is characterised in that: institute
The output end for stating amplifier is also connected with the input terminal of optical coupling isolator, the same phase of the output end connection comparator of optical coupling isolator
Input terminal, the non-inverting input terminal of comparator also pass through the 4th resistance connection external power supply.
3. a kind of Active Power Filter-APF with temperature environment monitoring function as claimed in claim 2, it is characterised in that: institute
State the model 6N317 of optical coupling isolator use.
4. a kind of Active Power Filter-APF with temperature environment monitoring function as described in claim 1, it is characterised in that: institute
It states and the second capacitor and third capacitor is also respectively connected between the T pin of MC33063A chip and I pin and ground.
5. a kind of Active Power Filter-APF with temperature environment monitoring function as described in claim 1, it is characterised in that: institute
The second end for stating inductance also passes through the 4th capacity earth.
6. a kind of Active Power Filter-APF with temperature environment monitoring function as described in claim 1, it is characterised in that: institute
The chip model that amplifier uses is stated as ICL7650.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737359.7U CN208904658U (en) | 2018-10-25 | 2018-10-25 | A kind of Active Power Filter-APF with temperature environment monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737359.7U CN208904658U (en) | 2018-10-25 | 2018-10-25 | A kind of Active Power Filter-APF with temperature environment monitoring function |
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| CN208904658U true CN208904658U (en) | 2019-05-24 |
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ID=66576716
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| CN201821737359.7U Active CN208904658U (en) | 2018-10-25 | 2018-10-25 | A kind of Active Power Filter-APF with temperature environment monitoring function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596744A (en) * | 2019-12-11 | 2020-08-28 | 北京科纬科技有限公司 | Intelligent control computer |
| CN114415807A (en) * | 2022-01-29 | 2022-04-29 | 苏州浪潮智能科技有限公司 | Edge computer and environment control system thereof |
-
2018
- 2018-10-25 CN CN201821737359.7U patent/CN208904658U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596744A (en) * | 2019-12-11 | 2020-08-28 | 北京科纬科技有限公司 | Intelligent control computer |
| CN111596744B (en) * | 2019-12-11 | 2022-07-19 | 成都凌亚科技有限公司 | Intelligent control computer |
| CN114415807A (en) * | 2022-01-29 | 2022-04-29 | 苏州浪潮智能科技有限公司 | Edge computer and environment control system thereof |
| CN114415807B (en) * | 2022-01-29 | 2023-07-14 | 苏州浪潮智能科技有限公司 | Edge computer and environment control system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190905 Address after: 610000 Chengdu high tech Zone, Xiaojiahe Province, No. two ring road, south of the No. four, No., No. 16 Patentee after: Sichuan Boao Environmental Protection Technology Co., Ltd. Address before: 610000 Tianfu Sanjie, Chengdu High-tech Zone, Sichuan Province, No. 69, Building 10, 1013 Patentee before: Sichuan Pengxiang Electrical Equipment Co., Ltd. |
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| TR01 | Transfer of patent right |