A kind of pressure reduction warning draught fan filter bank
Technical field
The utility model relates to a kind of air purifying process apparatus field, particularly a kind of pressure reduction warning draught fan filter bank.
Background technique
FFU is " blower fan filtering unit or blower fan filtering unit ", and English full name is Fan FilterUnit, is called for short FFU.It is centrifugal blower and filter (high efficiency particulate air filter (HEPA filter) or super high efficient filter (ULPA filter)) to be combined and the end air purification processing equipment of the self-powered that forms, is exactly a kind of self-powered, modular end air flow device with filter efficacy.
Traditional F FU Dustless air feeder group, due to its reasons in structure, FFU only possesses single air blowing function, monitoring blower fan mechanical failure; Its shortcoming or deficiency are to monitor filter resistance, and all filter modes of integral replacing are regularly carried out in employing conventionally; Before the customization date, after filter or the reduction of filter adsorption efficiency for the full dust of absorption, there is no reliable monitoring mode, the filtration that causes the full dirt of absorption or adsorption efficiency to reduce can not be changed in time, causes air purification not up to standard; In the time of the customization date, for many full dust quantitys of absorption that not yet reach, still there is the filter of adsorption efficiency, also to unify to change, cause the waste of filter resources, make the poor replacing of workplace air environment excessively slow, the replacing overfrequency that air ambient is good.
Model utility content
For solving the problems of the technologies described above, the utility model provides a kind of pressure reduction warning draught fan filter bank, for deficiency of the prior art, pressure reduction alarm is installed at FFU top, the resistance that pressure reduction warning FFU produces by monitoring filter absorption dust amount is reminded the replacing of filter, can allow applying unit in time the filter that adsorbs full dust be changed, avoid replacing too early or postpone to change causing damage in air purification and resource to user, improve the comprehensive utilization ratio of FFU.
For achieving the above object, the technical solution of the utility model is as follows: a kind of pressure reduction warning draught fan filter bank, comprise casing, air inlet ring, roughing efficiency air filter, ring diversion plate, blower fan, motor, pressure reduction alarm, pressure reduction monitoring pipe, wind-guiding gusset, handle, fan seat, wind-guiding side plate, wind deflector, exhaust port, speed regulating control box, high efficiency particulate air filter, tutorial light, it is characterized in that:
Described casing is that the welding of square metal sheet material is manufactured, top is spirally connected and is fixedly installed air inlet ring, below connects and fixes and is provided with high efficiency particulate air filter, described air inlet ring below is provided with roughing efficiency air filter, described roughing efficiency air filter below is welded with ring diversion plate, described ring diversion plate below is provided with motor, described motor periphery is provided with blower fan, described blower fan below is provided with fan seat, described motor is spirally connected and is fixed on described fan seat, described fan seat below is provided with wind deflector, described fan seat is fixedly welded on described wind deflector, described box house two sides are welded and fixed and are provided with wind-guiding side plate, described casing inner top and described wind deflector below are provided with wind-guiding gusset, described casing top is spirally connected and is provided with speed regulating control box, described speed regulating control box side is provided with pressure reduction alarm, on described pressure reduction alarm, be provided with pressure reduction monitoring pipe, described pressure reduction monitoring pipe inserting is assemblied in described casing, described pressure reduction monitoring pipe is fixedly installed on wind-guiding side plate, the opening end of described pressure reduction monitoring pipe is towards described high efficiency particulate air filter inner side surface, on described pressure reduction alarm, be provided with tutorial light, described casing top surrounding is provided with four handles, described motor and the electrical connection of speed regulating control box, described pressure reduction alarm and the electrical connection of speed regulating control box, described pressure reduction alarm and FFU group control system signal communication, be provided with pressure reduction alarm indicator lamp on described FFU group control system.
Pressure difference signal is sent to FFU group control system by described pressure reduction alarm, described FFU group control system is provided with pressure reduction alarm indicator lamp, in the time that pressure difference signal does not reach pressure difference, tutorial light on described pressure reduction alarm is green light, and the pressure reduction alarm indicator lamp on described FFU group control system is green light; In the time that described pressure difference signal reaches or crosses the pressure difference of setting, the tutorial light on described pressure reduction alarm is red light, and the pressure reduction alarm indicator lamp on described FFU group control system sends out a warning.
Described wind deflector is rectangular plate, and two relative limits are fixedly welded on described cabinet wall, is provided with flanging, the bending of described flanging upward direction on other two relative edges.
Described wind-guiding side plate is L-type flap, and described wind-guiding side plate is provided with two.
Described wind-guiding gusset is V-arrangement gusset, be fixed by welding in described casing, described wind-guiding gusset is provided with three, and described air inlet ring two sides respectively arrange a wind-guiding gusset, described wind deflector below arranges a wind-guiding gusset, and the V-arrangement angle of described wind-guiding gusset is 60 degree-135 degree.
Pressure reduction alarm is installed at FFU top, and the resistance that pressure reduction warning FFU produces by monitoring filter absorption dust amount is reminded the replacing of filter.
Described ring diversion plate embeds the interior 3mm-6mm of blower fan of described casing.
It is ± 5% that described pressure reduction alarm is set pressure difference excursion.
After this Novel work principle: FFU start, new wind is sucked to box house from air inlet ring, the new wind of box house by the blower fan of High Rotation Speed not section press down, make new wind enter dust proof workshop by HEPA, not section absorption dust (laying dust) of HEPA in FFU running, resistance can slowly increase, in the time that resistance reaches the whole resistance of HEPA (or setting value), pressure reduction alarm starts to have moved warning.
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: pressure reduction alarm is installed at FFU top, the resistance that pressure reduction warning FFU produces by monitoring filter absorption dust amount, and then remind attendant to change in time filter, and can carry out pressure reduction setting by the usage requirement of applying unit, can allow applying unit according to the rules standard in time the filter that adsorbs full dust is changed, avoid replacing too early or postpone to change causing damage in air purification and resource to user, improve the comprehensive utilization ratio of FFU.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed a kind of pressure reduction warning draught fan filter bank plan view schematic diagram of the utility model embodiment;
Fig. 2 is the disclosed a kind of pressure reduction warning draught fan filter bank plan view schematic diagram of the utility model embodiment;
Fig. 3 is the disclosed a kind of pressure reduction warning draught fan filter bank A of the utility model embodiment place enlarged view.
Numeral and the represented corresponding part title of letter in figure:
1. casing 2. air inlet ring 3. roughing efficiency air filter 4. ring diversion plates
5. blower fan 6. motor 7. pressure reduction alarm 8. pressure reduction monitoring pipe
9. wind-guiding gusset 10. handle 11. fan seat 12. wind-guiding side plates
13. wind deflector 14. exhaust port 15. speed regulating control box 16. high efficiency particulate air filters
17. tutorial light
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of pressure reduction warning draught fan filter bank, comprises casing 1, air inlet ring 2, roughing efficiency air filter 3, ring diversion plate 4, blower fan 5, motor 6, pressure reduction alarm 7, pressure reduction monitoring pipe 8, wind-guiding gusset 9, handle 10, fan seat 11, wind-guiding side plate 12, wind deflector 13, exhaust port 14, speed regulating control box 15, high efficiency particulate air filter 16, tutorial light 17.
Described casing 1 is square metal sheet material welding manufacture, its top is spirally connected and is fixedly installed air inlet ring 2, below connects and fixes and is provided with high efficiency particulate air filter 16, described air inlet ring 2 belows are provided with roughing efficiency air filter 3, described roughing efficiency air filter 3 belows are welded with ring diversion plate 4, described ring diversion plate 4 belows are provided with motor 5, described motor 5 peripheries are provided with blower fan 6, described blower fan 6 belows are provided with fan seat 11, described motor 5 is spirally connected and is fixed on described fan seat 11, described fan seat 11 belows are provided with wind deflector 13, described fan seat 11 is fixedly welded on described wind deflector 13, inner two sides of described casing 1 are welded and fixed and are provided with wind-guiding side plate 12, described casing 1 inner top and described wind deflector 13 belows are provided with wind-guiding gusset 9, described casing 1 top is spirally connected and is provided with speed regulating control box 15, described speed regulating control box 15 sides are provided with pressure reduction alarm 7, on described pressure reduction alarm 7, be provided with pressure reduction monitoring pipe 8, described pressure reduction monitoring pipe 8 insertings are assemblied in described casing 1, described pressure reduction monitoring pipe 8 is fixedly installed on wind-guiding side plate 12, the opening end of described pressure reduction monitoring pipe 8 is towards described high efficiency particulate air filter 16 inner side surfaces, on described pressure reduction alarm 7, be provided with tutorial light 17, described casing 1 top surrounding is provided with four handles 10, described motor 6 is electrically connected with speed regulating control box 15, and described pressure reduction alarm 7 is electrically connected with speed regulating control box 15, and described pressure reduction alarm 7 and FFU group control system signal communication, be provided with pressure reduction alarm indicator lamp on described FFU group control system.
Pressure difference signal is sent to FFU group control system by described pressure reduction alarm 7, described FFU group control system is provided with pressure reduction alarm indicator lamp, in the time that pressure difference signal does not reach pressure difference, tutorial light 17 on described pressure reduction alarm 7 is green light, and the pressure reduction alarm indicator lamp on described FFU group control system is green light; In the time that described pressure difference signal reaches or crosses the pressure difference of setting, the tutorial light 17 on described pressure reduction alarm 7 is red light, and the pressure reduction alarm indicator lamp on described FFU group control system sends out a warning.
Described wind deflector 13 is rectangular plate, and two relative limits are fixedly welded on described casing 1 inwall, are provided with flanging, the bending of described flanging upward direction on other two relative edges.
Described wind-guiding side plate 12 is L-type flap, and described wind-guiding side plate 12 is provided with two.
Described wind-guiding gusset 9 is V-arrangement gusset, be fixed by welding in described casing 1, described wind-guiding gusset 9 is provided with three, and described air inlet ring 2 two sides respectively arrange a wind-guiding gusset 9, described wind deflector 13 belows arrange a wind-guiding gusset 9, and the V-arrangement angle of described wind-guiding gusset 9 is 75 degree.
Pressure reduction warning dress device 7 is installed at FFU top, and the resistance that pressure reduction warning FFU produces by monitoring filter absorption dust amount is reminded the replacing of filter.
Described ring diversion plate 4 embeds the interior 4mm of blower fan of described casing.
It is ± 5% that described pressure reduction alarm 7 is set pressure difference excursion.
Pressure reduction alarm 7 is arranged on to FFU top, connect 220V power supply from described speed regulating control box 15, the pressure reduction alarm 7 that connects power line is arranged near speed regulating control box 15, object is and speed regulating control box common source, again pressure reduction monitoring pipe 8 is put into by the small sircle hole of opening on casing 1, after completing, HEPA is arranged on to FFU bottom.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: pressure reduction alarm is installed at FFU top, the resistance that pressure reduction warning FFU produces by monitoring filter absorption dust amount, and then remind attendant to change in time filter, and can carry out pressure reduction setting by the usage requirement of applying unit, can allow applying unit according to the rules standard in time the filter that adsorbs full dust is changed, avoid replacing too early or postpone to change causing damage in air purification and resource to user, improve the comprehensive utilization ratio of FFU.
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 these embodiments' multiple amendment, 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 embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.