CN207896547U - A kind of automatic pretreatment system containing negative-pressure protection device - Google Patents
A kind of automatic pretreatment system containing negative-pressure protection device Download PDFInfo
- Publication number
- CN207896547U CN207896547U CN201820068660.7U CN201820068660U CN207896547U CN 207896547 U CN207896547 U CN 207896547U CN 201820068660 U CN201820068660 U CN 201820068660U CN 207896547 U CN207896547 U CN 207896547U
- Authority
- CN
- China
- Prior art keywords
- pressure
- described device
- right end
- inner cavity
- device shell
- 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.)
- Active
Links
Landscapes
- Treatment Of Fiber Materials (AREA)
Abstract
The utility model discloses a kind of automatic pretreatment systems containing negative-pressure protection device, including device case, the intracavity sidewall of described device shell is equipped with pressure transducer, the upper center of described device shell is equipped with feed inlet, the feed inlet upper end is equipped with sealing cover, it is provided with circular hole on the right side of the upper end of described device shell, the lower end of the circular hole is equipped with pressure detection means, the pressure detection means include sealing plate, grafting chamber, spring, annulus block, contact block, sliding slot, connecting rod and slide rheostat, the right end top of described device shell is fixed and is plugged with air duct, the right end of the air duct is fixedly plugged in the middle part of the left end of wind process chamber.This contains the automatic pretreatment system of negative-pressure protection device, and by the structure of slide rheostat and ammeter, what can be removed understands the pressure size inside device case；By the structure of heating wire and contact block, pressure that can quickly in aggrandizement apparatus shell.
Description
Technical field
The utility model is related to industrial technical field, specially a kind of automatic pretreatment system containing negative-pressure protection device.
Background technology
" negative pressure " is less than the gas pressure state of normal pressure, and in the equipment of industrial shell, inside is in sealing state, very
It is susceptible to the state of negative pressure, if the negative pressure pressure inside seal casinghousing is larger, it is easy to the damage of shell is caused, but it is general
Logical negative-pressure protection device effect when handling negative pressure is not sufficiently stable, and when negative pressure is larger, can not timely supplement inside
Pressure, therefore we have proposed a kind of automatic pretreatment systems containing negative-pressure protection device.
Utility model content
The purpose of this utility model is to provide a kind of automatic pretreatment systems containing negative-pressure protection device, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions：One kind is located in advance automatically containing negative-pressure protection device
The intracavity sidewall of reason system, including device case, described device shell is equipped with pressure transducer, the upper end of described device shell
Middle part is equipped with feed inlet, and the feed inlet upper end is equipped with sealing cover, circular hole, the circle are provided on the right side of the upper end of described device shell
The lower end in hole is equipped with pressure detection means, and the pressure detection means include sealing plate, grafting chamber, spring, annulus block, contact
Block, sliding slot, connecting rod and slide rheostat, the right end top of described device shell, which is fixed, is plugged with air duct, the air duct
Middle part be equipped with check valve, the right end of the air duct is fixedly plugged in the middle part of the left end of wind process chamber, the wind process chamber
It is equipped with heating wire on the left of inner cavity, filter plate is equipped on the right side of the inner cavity of the wind process chamber, the right end middle part of the wind process chamber is logical
Piping connects air blower, and the right end top of described device shell is fixed with ammeter.
Preferably, the lower end of the circular hole is provided with grafting chamber, and the inner cavity top movable of the grafting chamber is plugged with sealing plate,
It is fixedly connected with spring in the middle part of the lower end of the sealing plate, the lower end of the spring is fixedly connected on annulus block upper end, described
Annulus block is fixedly connected on the inner cavity lower end of grafting chamber, and the inner cavity lower end outside of the grafting chamber is fixedly connected with contact block,
The right end of the sealing plate is fixedly connected with connecting rod, and the connecting rod is plugged in sliding slot, and the right end of the connecting rod is fixed
The slider of slide rheostat is connected, the slide rheostat is embedded in the right end of sliding slot.
Preferably, the heating wire is equipped with several, and the heating wire is uniformly arranged on the left of the inner cavity of wind process chamber,
The heating wire, power supply and contact block electrical series successively.
Preferably, the slide rheostat, power supply and ammeter electrical series successively.
Compared with prior art, the utility model has the beneficial effects that：This contains the automatic pretreatment system of negative-pressure protection device,
By the structure equipped with slide rheostat and ammeter, what can be removed understands the pressure size inside device case；Pass through electricity
The structure of heated filament and contact block, can be when the pressure difference inside device case be larger so that electric-heating-wire-heating, to wind
Air in reason room is heated, pressure that can quickly in aggrandizement apparatus shell.
Description of the drawings
Fig. 1 is the utility model section view；
Fig. 2 is the utility model pressure detection means sectional view.
In figure：1 device case, 2 pressure transducers, 3 feed inlets, 4 sealing covers, 5 circular holes, 6 pressure detection means, 61 sealings
Plate, 62 grafting chambers, 63 springs, 64 annulus blocks, 65 contact blocks, 66 sliding slots, 67 connecting rods, 68 slide rheostats, 7 air blowers, 8
Air duct, 9 check valves, 10 wind process chambers, 11 heating wire, 12 filter plates, 13 ammeters.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：One kind pre-processes automatically containing negative-pressure protection device is
The intracavity sidewall of system, including device case 1, described device shell 1 is equipped with pressure transducer 2, the upper end of described device shell 1
Middle part is equipped with feed inlet 3, and 3 upper end of the feed inlet is equipped with sealing cover 4, circular hole 5 is provided on the right side of the upper end of described device shell 1,
The lower end of the circular hole 5 is equipped with pressure detection means 6, and the pressure detection means 6 include sealing plate 61, grafting chamber 62, spring
63, annulus block 64, contact block 65, sliding slot 66, connecting rod 67 and slide rheostat 68 can be made by inside and outside pressure difference
It obtains sealing plate 61 to move up and down in grafting chamber 62, so as to control the size of 68 resistance value of slide rheostat, and then pass through
Ammeter 13 observes the size of pressure in device case 1, and when the negative pressure in device case 1 is larger, sealing plate 61 can move
Be in contact to the lower end of the lower end in grafting chamber 62, sealing plate 61 with 65 upper end of contact block, to connect heating wire 11, power supply and
The circuit of contact block 65, so that heating wire 11 heats, it, can be quick to be heated to the air in wind process chamber 10
Aggrandizement apparatus shell 1 in pressure.The lower end of the circular hole 5 is provided with grafting chamber 62, and the inner cavity top of the grafting chamber 62 is lived
It is dynamic to be plugged with sealing plate 61, it is fixedly connected with spring 63 in the middle part of the lower end of the sealing plate 61, the lower end of the spring 63 is fixed
It is connected to 64 upper end of annulus block, the annulus block 64 is fixedly connected on the inner cavity lower end of grafting chamber 62, the grafting chamber 62
Inner cavity lower end outside be fixedly connected with contact block 65, the right end of the sealing plate 61 is fixedly connected with connecting rod 67, the company
Extension bar 67 is plugged in sliding slot 66, and the right end of the connecting rod 67 is fixedly connected with the slider of slide rheostat 68, the cunning
Dynamic rheostat 68 is embedded in the right end of sliding slot 66, the slide rheostat 68, power supply and ammeter 13 electrical series successively, described
The right end top of device case 1, which is fixed, is plugged with air duct 8, and the middle part of the air duct 8 is equipped with check valve 9, when device case 1
Inner cavity negative pressure when, pressure transducer 2 can in detection device shell 1 pressure size, and pressure transducer 2 can be detection
Signal be transmitted in the processor of computer, controlling air blower 7 by computer starts to work, and air blower 7 extracts outside
Wind into inlet air process chamber 10, entered in device case 1 by air duct 8 after the filtering of filter plate 12, to improve dress
The pressure in shell 1 is set, the right end of the air duct 8 is fixedly plugged in the middle part of the left end of wind process chamber 10, the wind process chamber
Heating wire 11 is equipped on the left of 10 inner cavity, the heating wire 11 is equipped with several, and the heating wire 11 is uniformly arranged at wind
On the left of the inner cavity for managing room 10, the heating wire 11, power supply and contact block 65 electrical series successively.The inner cavity of the wind process chamber 10
Right side is equipped with filter plate 12, and the right end middle part of the wind process chamber 10 connects air blower 7 by pipeline, described device shell 1
Right end top is fixed with ammeter 13.
Operation principle：The automatic pretreatment system containing negative-pressure protection device is when being worked, when the inner cavity of device case 1 is negative
When pressure, pressure transducer 2 can in detection device shell 1 pressure size, and pressure transducer 2 can pass the signal of detection
It is delivered in the processor of computer, controlling air blower 7 by computer starts to work, and air blower 7 extracts external wind and enters
In wind process chamber 10, entered in device case 1 by air duct 8 after the filtering of filter plate 12, to improve in device case 1
Pressure, and by inside and outside pressure difference, sealing plate 61 is enabled to be moved up and down in grafting chamber 62, so as to control
The size of 68 resistance value of slide rheostat, and then observes the size of pressure in device case 1 by ammeter 13, in device shell
When negative pressure in body 1 is larger, sealing plate 61 can move to the lower end in grafting chamber 62, the lower end of sealing plate 61 in contact block 65
End is in contact, to connect the circuit of heating wire 11, power supply and contact block 65, so that heating wire 11 heats, to wind
Air in process chamber 10 is heated, pressure that can quickly in aggrandizement apparatus shell 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of automatic pretreatment system containing negative-pressure protection device, including device case (1), it is characterised in that：Described device shell
The intracavity sidewall of body (1) is equipped with pressure transducer (2), and the upper center of described device shell (1) is equipped with feed inlet (3), institute
It states feed inlet (3) upper end and is equipped with sealing cover (4), circular hole (5), the circular hole (5) are provided on the right side of the upper end of described device shell (1)
Lower end be equipped with pressure detection means (6), the pressure detection means (6) include sealing plate (61), grafting chamber (62), spring
(63), annulus block (64), contact block (65), sliding slot (66), connecting rod (67) and slide rheostat (68), described device shell
(1) right end top, which is fixed, is plugged with air duct (8), and the middle part of the air duct (8) is equipped with check valve (9), the air duct
(8) right end is fixedly plugged in the middle part of the left end of wind process chamber (10), and electric heating is equipped on the left of the inner cavity of the wind process chamber (10)
The inner cavity right side of silk (11), the wind process chamber (10) is equipped with filter plate (12), leads in the middle part of the right end of the wind process chamber (10)
Piping connects air blower (7), and the right end top of described device shell (1) is fixed with ammeter (13).
2. one kind automatic pretreatment system containing negative-pressure protection device according to claim 1, it is characterised in that：The circular hole
(5) lower end is provided with grafting chamber (62), and the inner cavity top movable of the grafting chamber (62) is plugged with sealing plate (61), the sealing
It is fixedly connected with spring (63) in the middle part of the lower end of plate (61), the lower end of the spring (63) is fixedly connected on annulus block (64)
End, the annulus block (64) are fixedly connected on the inner cavity lower end of grafting chamber (62), outside the inner cavity lower end of the grafting chamber (62)
Side is fixedly connected with contact block (65), and the right end of the sealing plate (61) is fixedly connected with connecting rod (67), the connecting rod
(67) it is plugged in sliding slot (66), the right end of the connecting rod (67) is fixedly connected with the slider of slide rheostat (68), institute
State the right end that slide rheostat (68) is embedded in sliding slot (66).
3. one kind automatic pretreatment system containing negative-pressure protection device according to claim 1, it is characterised in that：The electric heating
Silk (11) is equipped with several, and the heating wire (11) is uniformly arranged on the left of the inner cavity of wind process chamber (10), the heating wire
(11), power supply and contact block (65) electrical series successively.
4. one kind automatic pretreatment system containing negative-pressure protection device according to claim 1, it is characterised in that：The sliding
Rheostat (68), power supply and ammeter (13) electrical series successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068660.7U CN207896547U (en) | 2018-01-16 | 2018-01-16 | A kind of automatic pretreatment system containing negative-pressure protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068660.7U CN207896547U (en) | 2018-01-16 | 2018-01-16 | A kind of automatic pretreatment system containing negative-pressure protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896547U true CN207896547U (en) | 2018-09-21 |
Family
ID=63552335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820068660.7U Active CN207896547U (en) | 2018-01-16 | 2018-01-16 | A kind of automatic pretreatment system containing negative-pressure protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896547U (en) |
-
2018
- 2018-01-16 CN CN201820068660.7U patent/CN207896547U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207896547U (en) | A kind of automatic pretreatment system containing negative-pressure protection device | |
| CN207796172U (en) | A kind of high-precision pneumatic proportional pressure valve | |
| CN209138658U (en) | A kind of high low temperature cycles test case of adjustable humidity | |
| CN106040495A (en) | Nitrogen generation system for paint spraying | |
| CN204228364U (en) | A kind of air tightness detection apparatus | |
| CN108224930B (en) | Hot air drying system of single-circulation fan | |
| CN107401537B (en) | A kind of power loss pass valve hydraulic station | |
| CN208688235U (en) | A kind of lithium battery oven air regenerating device | |
| CN207394070U (en) | A kind of intelligent control adjusts valve | |
| CN207935498U (en) | A kind of adjustable industrial boiler safety valve | |
| CN206493492U (en) | A kind of anti-dry die heater | |
| CN206193512U (en) | Air force cloud management system | |
| CN207814630U (en) | A kind of essence small intelligent pneumatic control valve | |
| CN204307510U (en) | Micro-reproduced high air absorption drier | |
| CN205047897U (en) | Gas accuse air bleeding valve | |
| CN218339378U (en) | It adsorbs hot-blast dehydrating unit of formula to be total to case generating line intelligence | |
| CN220230844U (en) | Hydraulic engineering quality detection auxiliary device | |
| CN217878218U (en) | Positive and negative pressure air tightness test system | |
| CN220152488U (en) | Heating and dehumidifying device for gas pressure reducing valve | |
| CN207777219U (en) | Centrifugal water pump mechanical seal burn-out-proof destroying device | |
| CN218997412U (en) | Micro-positive pressure dustproof device for electric cabinet of conductive carbon powder manufacturing equipment | |
| CN204719100U (en) | A kind of novel electric power measuring apparatus | |
| CN103407014A (en) | Vacuum drying machine | |
| CN214373113U (en) | Pressure sensor testing device | |
| CN214501496U (en) | Application device of dehumidifier replacing rotary dehumidifier in constant-temperature and constant-humidity workshop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200000 No. 320 Gucheng Road, Jinshan District, Shanghai Patentee after: Shanghai fushite Environmental Protection Technology Co.,Ltd. Address before: 200000 No. 320 Gucheng Road, Jinshan District, Shanghai Patentee before: SHANGHAI FUSHITE INSTRUMENT EQUIPMENT Co.,Ltd. |