CN218328525U - Positive pressure fresh air machine with pressure difference control - Google Patents
Positive pressure fresh air machine with pressure difference control Download PDFInfo
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- CN218328525U CN218328525U CN202222320763.7U CN202222320763U CN218328525U CN 218328525 U CN218328525 U CN 218328525U CN 202222320763 U CN202222320763 U CN 202222320763U CN 218328525 U CN218328525 U CN 218328525U
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Abstract
The utility model relates to a new fan technical field especially relates to a new fan of malleation with pressure differential control. The technical scheme comprises the following steps: the top fixed mounting of base has an installation section of thick bamboo, and the inside of an installation section of thick bamboo has the fan through the mounting bracket rotation mounting, and the top fixed mounting of an installation section of thick bamboo has a rotating electrical machines, installs through the driving belt transmission between the output of rotating electrical machines and the fan. The utility model discloses a be provided with the mounting bracket, differential pressure sensor, the dust screen, mutually support between mounting panel and the fixed block, the rotatory effect of fan that can be comparatively convenient is to the inside air supply that lasts of nucleic acid detection cabin, make the inside old wind of nucleic acid detection cabin can last the output, make inside pressure produce and change, make the indoor atmospheric pressure of nucleic acid detection cabin descend, form a positive pressure district, utilize that differential pressure sensor can be convenient to the pressure of inside to detect in real time, convenient inside air flow to inside is controlled.
Description
Technical Field
The utility model relates to a new fan technical field specifically is a new fan of malleation with pressure differential control.
Background
Nucleic acid detection cabin has functions such as collection registration, sampling, storage, transportation, disappears and kills in the nucleic acid of an organic whole and adopts the workspace, is a set of professional biological safety protection equipment, can provide one-stop nucleic acid sampling service, be provided with the new trend system in the inside in nucleic acid sampling room, be a mandatory mechanical air supply equipment, belong to uniflow new trend system type, can be through continuously to indoor fresh air that sends into, form the pressure environment a little indoor, extrude indoor dirty air originally outdoor, consequently need use a positive pressure new fan with pressure differential control.
Through the retrieval, patent publication No. CN212644858U discloses a fan equipment for new trend system, and this application provides a fan equipment for new trend system, includes: a housing; indoor air inlet, indoor air outlet and outdoor opening arranged in the shell. The indoor air inlet, the indoor air outlet and the outdoor opening are respectively provided with a first air valve, a second air valve and a third air valve, the first air valve is used for controlling the indoor air inlet to be opened and closed, the second air valve is used for controlling the indoor air outlet to be opened and closed, and the third air valve is used for controlling the outdoor opening to be opened and closed; and the fan is positioned in the cavity in the shell, wherein the fan comprises a main body part and a volute, and the volute is provided with a blowing opening. The volute can rotate around an axis, so that the blowing port is switched between a first position and a second position, when the blowing port is located at the first position, the blowing port faces an indoor air inlet, and when the blowing port is located at the second position, the blowing port faces an outdoor opening, in the process of using CN212644858U in the prior art, the inside is inconveniently controlled by positive and negative pressure, so that the pressure difference inside is overlarge, the use process is inconvenient to control, meanwhile, the inside can push more dust in long-time use, the overhaul and maintenance are inconvenient, and the use is influenced; meanwhile, in the using process, the shaking condition is easy to occur, so that the deviation condition can be caused in the using process, and the stability effect in the using process is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a new fan of malleation with pressure differential control to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a new fan of malleation with pressure differential control, includes base, fixed plate and bracing piece, the top fixed mounting of base has an installation section of thick bamboo, the fan is installed through the mounting bracket rotation in the inside of an installation section of thick bamboo, the top fixed mounting of an installation section of thick bamboo has the rotating electrical machines, install through the drive belt transmission between the output of rotating electrical machines and the fan, the front end fixed mounting of mounting bracket has pressure differential transducer, the front end of an installation section of thick bamboo through the mount pad movable mounting with fan complex dust screen, the bottom fixed mounting of dust screen has the mounting panel, the front end fixed mounting of an installation section of thick bamboo have with mounting panel complex fixed knob, the both sides fixed mounting of an installation section of thick bamboo has the mounting disc, the both sides movable mounting of mounting disc has the rotation axis, the outside movable mounting of rotation axis has the bracing piece.
The fan that can be comparatively convenient is to the inside air supply that lasts of nucleic acid detection cabin, makes the inside old wind of nucleic acid detection cabin can last the output, makes inside pressure change, makes the indoor atmospheric pressure of nucleic acid detection cabin descend, forms a positive pressure district, utilizes pressure differential sensor can be convenient to detect the inside pressure in real time, makes things convenient for inside air flow to control.
Preferably, the mounting disc and the rotating shaft are movably mounted through a movable rod, and a return spring is sleeved outside the movable rod. The installation barrel can be conveniently buffered and supported through the supporting rods in the process of inclination of the installation barrel, the situation of shaking can be effectively prevented, the stability effect can be well kept in the using process, and the installation barrel is more practical when being used.
Preferably, the bottom of the supporting rod is movably provided with a supporting block, and the supporting rod and the supporting block are movably arranged through a rotating shaft. The inside of the dustproof net can be conveniently overhauled by overturning, the dustproof net and the installation barrel can be conveniently fixed by utilizing the mutual matching between the fixed knob and the butt joint hole, so that the dustproof net and the installation barrel are more convenient to fix and disassemble, and the operation is convenient and rapid.
Preferably, the mounting plate and the fixing block are fixed through a fixing knob, and the outer side of the mounting plate is provided with a butt joint hole matched with the fixing knob. Utilize fixed knob and the mutual cooperation between the butt joint hole, can be convenient fix between dust screen and the installation section of thick bamboo, make fixed more convenient when dismantling, convenient operation is swift.
Preferably, the mounting cylinder and the rotating motor are fixedly mounted through a support plate, and a fixing plate corresponding to the support plate is fixedly mounted on the mounting cylinder. The rotating motor can be conveniently supported through the supporting plate, the rotating motor can be more conveniently fixed in the using process, the rotating motor can be more stable when being used, meanwhile, the supporting plate which can be convenient through the fixing plate is butted, the supporting plate can be conveniently installed on the installation barrel, and the rotating motor is more convenient to use.
Preferably, the bottom of the base is fixedly connected with a supporting column, and the base and the mounting cylinder are fixedly mounted through a fixing seat. Can be stable through the support column support this device, make can be convenient installing at the in-process that uses, stability when increasing the use, cooperate the installation that the fixing base made the installation section of thick bamboo can be convenient simultaneously on the base, increase stable effect.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through being provided with mounting bracket, pressure differential sensor, dust screen, mutually supporting between mounting panel and the fixed block, the fan that can be comparatively convenient is to the inside air supply that lasts of nucleic acid detection cabin, makes the inside old wind of nucleic acid detection cabin can last the output, makes inside pressure change, makes the indoor atmospheric pressure of nucleic acid detection cabin descend, forms a positive pressure district, utilizes pressure differential sensor can be convenient to detect inside pressure in real time, makes things convenient for inside air flow to control.
Drawings
Fig. 1 is a first perspective view of the present invention;
fig. 2 is a second perspective view of the present invention;
FIG. 3 is a schematic view of a partial structure of the fan of the present invention;
fig. 4 is a schematic view of the local structure of the support rod of the present invention.
In the figure: 1. a base; 101. a support column; 102. a fixed seat; 103. mounting the cylinder; 104. a mounting seat; 105. a dust screen; 106. mounting a plate; 107. a fixed block; 108. fixing the knob; 109. a butt joint hole; 2. a fixing plate; 201. a support plate; 202. a rotating electric machine; 203. a drive belt; 204. a fan; 205. a mounting frame; 206. a differential pressure sensor; 3. a support bar; 301. mounting a disc; 302. a movable rod; 303. a return spring; 304. a rotating shaft; 305. a rotating shaft; 306. and (6) supporting the block.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1, fig. 2, fig. 3, fig. 4, the utility model provides a new fan of malleation with pressure differential control, including base 1, fixed plate 2 and bracing piece 3, base 1's top fixed mounting has an installation section of thick bamboo 103, the inside of installation section of thick bamboo 103 has fan 204 through mounting bracket 205 rotatory mounting, the top fixed mounting of installation section of thick bamboo 103 has rotating electrical machines 202, install through driving belt 203 transmission between rotating electrical machines 202's the output and the fan 204, the front end fixed mounting of mounting bracket 205 has differential pressure sensor 206, the front end of installation section of thick bamboo 103 has dust screen 105 with fan 204 complex through mount pad 104 movable mounting, dust screen 105's bottom fixed mounting has mounting panel 106, the front end fixed mounting of installation section of thick bamboo 103 has fixed knob 108 with mounting panel 106 complex, the both sides fixed mounting of installation section of thick bamboo 103 has mounting disc 301, the both sides movable mounting of mounting disc 301 has rotation axis 304, the outside movable mounting of rotation axis 304 has bracing piece 3, pass through movable rod 302 movable mounting panel 106 and the fixed mounting knob 108, and the fixed mounting knob 108 that the fixed mounting between rotation axis 302 movable mounting panel 302 movable mounting, and the fixed mounting panel has reset spring 303, and the fixed mounting panel 108 have been seted up.
The working principle of the positive pressure air refreshing machine with pressure difference control based on the embodiment 1 is as follows: under the effect of rotation through rotating electrical machines 202, utilize that driving belt 203 can be convenient will transmit, can be comparatively convenient pass through fan 204 to the inside air supply that lasts of nucleic acid detection cabin, make the inside old wind of nucleic acid detection cabin can last the output, make inside pressure change, make the indoor atmospheric pressure of nucleic acid detection cabin descend, form a positive pressure district, detect in real time through the inside pressure of differential pressure sensor 206 simultaneously, make things convenient for inside to control inside, utilize dust screen 105 can effectually prevent that debris from getting into the inside of installation section of thick bamboo 103, overhaul inside through upset dust screen 105 can be convenient, utilize the mutually supporting between fixed knob 108 and the butt joint hole 109, can be convenient fix between dust screen 105 and the installation section of thick bamboo 103, make when fixing and dismantling more convenient, convenient and fast operation, when the installation section of thick bamboo 103 produces the in-process that inclines, can be convenient cushion and support installation section of thick bamboo 103 through bracing piece 3, can effectually prevent to produce the condition of rocking, make can keep good stable effect in the in-process of using, make it more practical to use.
Example two
As shown in fig. 1 and fig. 2, the utility model provides a new fan of malleation with pressure differential control compares in embodiment one, and this embodiment still includes: the installation cylinder 103 and the rotating electrical machine 202 are fixedly installed through a support plate 201, a fixing plate 2 corresponding to the support plate 201 is fixedly installed on the installation cylinder 103, a support column 101 is fixedly connected to the bottom of the base 1, and the base 1 and the installation cylinder 103 are fixedly installed through a fixing seat 102.
In this embodiment, as shown in fig. 2, the supporting plate 201 can conveniently support the rotating electrical machine 202, so that the rotating electrical machine 202 can be more conveniently fixed during use, and can be more stable during use, and meanwhile, the supporting plate 201, which can be conveniently fixed by the fixing plate 2, can be conveniently butted, so that the supporting plate 201 can be conveniently mounted on the mounting cylinder 103, and can be more conveniently used; as shown in FIG. 1, the device can be stably supported by a support column 101, so that the device can be conveniently installed in the using process, the stability in use is improved, and meanwhile, the installation cylinder 103 can be conveniently installed on the base 1 by matching with a fixed seat 102, so that the stabilizing effect is improved.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (6)
1. The utility model provides a new fan of malleation with pressure differential control, includes base (1), fixed plate (2) and bracing piece (3), its characterized in that: the utility model discloses a fan installation structure, including base (1), the top fixed mounting of installation section of thick bamboo (103), fan (204) are installed through mounting bracket (205) rotation in the inside of installation section of thick bamboo (103), the top fixed mounting of installation section of thick bamboo (103) has rotating electrical machines (202), install through driving belt (203) transmission between the output of rotating electrical machines (202) and fan (204), the front end fixed mounting of mounting bracket (205) has differential pressure sensor (206), the front end of installation section of thick bamboo (103) pass through mount pad (104) movable mounting have with fan (204) complex dust screen (105), the bottom fixed mounting of dust screen (105) has mounting panel (106), the front end fixed mounting of installation section of thick bamboo (103) have with mounting panel (106) complex fixed knob (108), the both sides fixed mounting of installation section of thick bamboo (103) has mounting disc (301), the both sides movable mounting of mounting disc (301) has rotation axis (304), the outside movable mounting of rotation axis (304) has bracing piece (3).
2. The positive pressure fresh air machine with differential pressure control as claimed in claim 1, wherein: the mounting disc (301) and the rotating shaft (304) are movably mounted through a movable rod (302), and a return spring (303) is sleeved outside the movable rod (302).
3. The positive pressure fresh air machine with differential pressure control as claimed in claim 1, wherein: the bottom of the supporting rod (3) is movably provided with a supporting block (306), and the supporting rod (3) and the supporting block (306) are movably arranged through a rotating shaft (305).
4. The positive pressure fresh air machine with differential pressure control as claimed in claim 1, wherein: the mounting plate (106) and the fixing block (107) are fixed through a fixing knob (108), and a butt joint hole (109) matched with the fixing knob (108) is formed in the outer side of the mounting plate (106).
5. The positive pressure fresh air machine with differential pressure control as claimed in claim 1, wherein: the mounting cylinder (103) and the rotating motor (202) are fixedly mounted through a support plate (201), and the mounting cylinder (103) is fixedly provided with a fixing plate (2) corresponding to the support plate (201).
6. The positive pressure fresh air machine with differential pressure control as claimed in claim 1, wherein: the bottom of base (1) is fixedly connected with support column (101), and passes through fixing base (102) fixed mounting between base (1) and installation section of thick bamboo (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320763.7U CN218328525U (en) | 2022-09-01 | 2022-09-01 | Positive pressure fresh air machine with pressure difference control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320763.7U CN218328525U (en) | 2022-09-01 | 2022-09-01 | Positive pressure fresh air machine with pressure difference control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218328525U true CN218328525U (en) | 2023-01-17 |
Family
ID=84833340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222320763.7U Active CN218328525U (en) | 2022-09-01 | 2022-09-01 | Positive pressure fresh air machine with pressure difference control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218328525U (en) |
-
2022
- 2022-09-01 CN CN202222320763.7U patent/CN218328525U/en active Active
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