CN203813668U - Frequency regulating circuit of air regulating box of class-1 cleanroom - Google Patents
Frequency regulating circuit of air regulating box of class-1 cleanroom Download PDFInfo
- Publication number
- CN203813668U CN203813668U CN201420209239.5U CN201420209239U CN203813668U CN 203813668 U CN203813668 U CN 203813668U CN 201420209239 U CN201420209239 U CN 201420209239U CN 203813668 U CN203813668 U CN 203813668U
- Authority
- CN
- China
- Prior art keywords
- port
- frequency
- circuit
- switch
- change over
- 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.)
- Expired - Lifetime
Links
- 230000001105 regulatory effect Effects 0.000 title abstract description 9
- 239000000428 dust Substances 0.000 claims description 21
- 238000004378 air conditioning Methods 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a frequency regulating circuit of an air regulating box of a class-1 cleanroom. The frequency regulating circuit includes a function module circuit of a variable-frequency drive and a main circuit connected to a wind speed control motor. The function module circuit includes an SE port, an SU port, an RM port, an RH port, an STF port and an SD port. A KA switch is disposed between the STF port and the SD port. SA change-over switches connected with the SD port are also included. The SA change-over switches are communicated with the RM port and the RH port respectively. The frequency regulating circuit realizes frequency switching rapidly and efficiently by switching on or off the variable-frequency drive through the KA switch added to the variable-frequency drive circuit and by connecting or disconnecting the RH port or the RM port by rapidly toggling the added SA change-over switch. The frequency regulating circuit is convenient for frequency regulation, and is high in reliability and convenient to maintain.
Description
Technical field
The utility model relates to a kind of one-level dust free room air conditioning cabinet frequency adjustment circuit.
Background technology
The dust free room of producing for non-dust cloth, according to its structure, according to dust free room air quantity CFM=dust free room length × wide × height × rate of ventilation × 35.3 (meter changes foot), dust free room air quantity CFM=dust free room filter screen number × every filter screen sectional area × wind speed × 35.3 (meter changes foot), calculate and meet dust free room manufacturer's standard rate of ventilation and wind speed.According to above-mentioned dimension conversion, air conditioning cabinet frequency is 25HZ, wind speed 0.32m/s, rate of ventilation 381 times/hour by day, evening, air conditioning cabinet frequency was 22Hz, wind speed 0.23m/s, rate of ventilation 274 times/hour, and this setting meets cleanliness factor requirement, and personnel's work is more suitable.
For the frequency that realizes air conditioning cabinet in dust free room by day with the switching in evening, frequency converter regulates at present following several mode:
1. adjusting panel is set, need to enter parameter interface and carry out frequency modification, therefore, need to change frequency all needs to carry out repeatedly setting at every turn, loses time, press for a long time panel button and can make button malfunction, cannot carry out necessary amendment, panel maintenance price is quite high, and possibility misoperation in the time of setting parameter, normal parameter is upset, caused and control extremely;
2. carry the frequency converter of adjusting knob, directly adjusting knob is to preset value, but can make knob malfunctioning after permanent rotation knob, cannot carry out necessary amendment, or makes knob regulate sensitivity to decline, and cannot accomplish that smooth adjustment fluctuation is larger, and maintenance price is quite high;
3. install potentiometer additional, by the resistance regulating frequency size of regulator potentiometer, need eyes to stare at frequency converter and change in the time regulating, arrive after preset value and will stop, inconvenient operation, is easily subject to exogenous influence, poor reliability.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of one-level dust free room air conditioning cabinet frequency adjustment circuit, with improve the multistage speed-regulating function of frequency converter realize electric machine frequency fast, efficiently switch.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of one-level dust free room air conditioning cabinet frequency adjustment circuit, comprise the function module circuit of frequency converter and be connected to the main circuit of wind speed control motor, described function module circuit comprises SE port, SU port, RM port, RH port, STF port and SD port, wherein, between described STF port and SD port, be provided with KA switch; Also comprise the SA change over switch being connected with described SD port, described SA change over switch is communicated with respectively and between described RM port or RH port.
Wherein, when described SA change over switch is communicated with described RH port, the frequency of described motor is 25Hz.
Wherein, when described SA change over switch is communicated with described RM port, the frequency of described motor is 22Hz.
Wherein, when described KA switch is closed, described STF port is communicated with SD port, described frequency converter startup work.
Pass through technique scheme, the one-level dust free room air conditioning cabinet frequency adjustment circuit that the utility model provides, it by increasing KA switch on converter circuit, by the start and stop of KA switch control frequency converter, and increase SA change over switch, by stirring fast SA change over switch to connect RH port or RM port, thereby the frequency that realizes motor is rapidly and efficiently switched, frequency adjustment is convenient, reliability is high, and maintenance puts just, and also tool has the following advantages:
1. reduce the output of unnecessary electric current, reduce rotating speed to improve motor useful life;
2. reduce energy consumption, energy savings cost;
3. reduce rate of ventilation, blast, wind speed etc., improve filter screen useful life.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described.
Fig. 1 is the disclosed one-level dust free room of the utility model embodiment air conditioning cabinet frequency adjustment circuit structural representation;
Fig. 2 is the frequency adjustment circuit structural representation of the disclosed SA change over switch of the utility model embodiment while being communicated with RH port;
Fig. 3 is the frequency adjustment circuit structural representation of the disclosed SA change over switch of the utility model embodiment while being communicated with RM port.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
With reference to figure 1, the one-level dust free room air conditioning cabinet frequency adjustment circuit that the utility model provides, comprise the function module circuit of frequency converter and be connected to the main circuit of wind speed control motor, function module circuit comprises SE port, SU port, RM port, RH port, STF port and SD port, wherein, between STF port and SD port, be provided with KA switch, in the time that KA switch is closed, STF port is communicated with SD port, frequency converter startup work; Also comprise the SA change over switch being connected with SD port, SA change over switch is communicated with respectively and between RM port or RH port.
Wherein, with reference to figure 2, when daytime, because the air conditioning cabinet frequency of needs is higher and wind speed, rate of ventilation are larger, therefore, switch fast SA change over switch and be communicated with RH port, the frequency of motor switches to 25Hz, can meet dust free room job requirement for air conditioning cabinet by day time;
With reference to figure 3, when evening, because workman does not work, but still need maintain dust free room air quality, therefore, frequency, wind speed and the rate of ventilation that needs suitably to reduce air conditioning cabinet is with energy-conservation and extend relevant device useful life, therefore, while coming off duty, switch fast SA change over switch and be communicated with RM port, the frequency of motor switches to 22Hz, now can meet dust free room job requirement for air conditioning cabinet at night.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of above-described embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. an one-level dust free room air conditioning cabinet frequency adjustment circuit, it is characterized in that, comprise the function module circuit of frequency converter and be connected to the main circuit of wind speed control motor, described function module circuit comprises SE port, SU port, RM port, RH port, STF port and SD port, wherein, between described STF port and SD port, be provided with KA switch; Also comprise the SA change over switch being connected with described SD port, described SA change over switch is communicated with respectively and between described RM port or RH port.
2. one-level dust free room air conditioning cabinet frequency adjustment circuit according to claim 1, is characterized in that, when described SA change over switch is communicated with described RH port, the frequency of described motor is 25Hz.
3. one-level dust free room air conditioning cabinet frequency adjustment circuit according to claim 1, is characterized in that, when described SA change over switch is communicated with described RM port, the frequency of described motor is 22Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209239.5U CN203813668U (en) | 2014-04-28 | 2014-04-28 | Frequency regulating circuit of air regulating box of class-1 cleanroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209239.5U CN203813668U (en) | 2014-04-28 | 2014-04-28 | Frequency regulating circuit of air regulating box of class-1 cleanroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813668U true CN203813668U (en) | 2014-09-03 |
Family
ID=51452367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209239.5U Expired - Lifetime CN203813668U (en) | 2014-04-28 | 2014-04-28 | Frequency regulating circuit of air regulating box of class-1 cleanroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813668U (en) |
-
2014
- 2014-04-28 CN CN201420209239.5U patent/CN203813668U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202402306U (en) | Intelligent control circuit for electric fan | |
| CN201582945U (en) | FFU (Fan Filter Unit) centralized regulating and control system capable of regulating and controlling according to cleanliness | |
| CN102926857A (en) | Speed adjustable electromagnetic fan clutch structure with independent controller | |
| CN203333890U (en) | Power supply control device of compact spinning negative pressure dust collector | |
| CN203813668U (en) | Frequency regulating circuit of air regulating box of class-1 cleanroom | |
| CN202835658U (en) | Air conditioning remote controller with function of parameter memory | |
| CN204494712U (en) | Intelligent blower energy saving control system of frequency conversion in use | |
| CN202254115U (en) | -48V direct-current variable-frequency speed-reduction temperature control system | |
| CN203990784U (en) | A kind of energy-saving ball mill system | |
| CN204231243U (en) | Be applied to the digitial controller of series machine | |
| CN203911828U (en) | Drive board control circuit | |
| CN203744460U (en) | Automatic control circuit for belt feedback direct current motor | |
| TWM510429U (en) | AC/DC power conversion control module of central air conditioning system | |
| CN202811441U (en) | Control system of woodworking environmentally-friendly dust removing fan | |
| CN209586757U (en) | A kind of air conditioner blower controller | |
| CN212959216U (en) | Air volume controller of snap-on installation | |
| CN205028153U (en) | A consumer controlling means for smart home systems | |
| CN202789637U (en) | Environment-friendly dedusting fan control system for steel works | |
| CN203883719U (en) | DC brushless motor control system capable of being applied to AC power supply | |
| CN205277778U (en) | Temperature control type variable frequency control cabinet | |
| CN204115151U (en) | Air condition with camion control system | |
| CN203394803U (en) | Ventilating fan and driving circuit thereof | |
| CN203454804U (en) | Furnace air cooling system | |
| TWI555324B (en) | DC brushless motor control system for AC power supply | |
| CN203838573U (en) | Control panel for usage mode of dehumidifier for specific environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |