CN203879049U - Controllable constant-temperature negative pressure weighing room - Google Patents
Controllable constant-temperature negative pressure weighing room Download PDFInfo
- Publication number
- CN203879049U CN203879049U CN201420250431.9U CN201420250431U CN203879049U CN 203879049 U CN203879049 U CN 203879049U CN 201420250431 U CN201420250431 U CN 201420250431U CN 203879049 U CN203879049 U CN 203879049U
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- CN
- China
- Prior art keywords
- weighing room
- negative pressure
- weighing
- water inlet
- controllable constant
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- 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 - Fee Related
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Abstract
The utility model relates to a controllable constant-temperature negative pressure weighing room which comprises a weighing room body. The interior of the weighing room body is divided into a rear channel, a top channel and a weighing area, an air inlet communicated with the weighing area is formed in the lower side of the rear channel, a fan is arranged in the rear channel, an air outlet communicated with the weighing area is formed in the lower surface of the top channel, a surface air cooler is arranged at the communicating position of the interior of the top channel and the rear channel, a drip tray is arranged below the surface air cooler, the bottom of the surface air cooler is respectively connected with a water inlet pipe and a water outlet pipe, and the bottom of the drip tray is connected with a water drainage pipe. The surface air cooler, the water inlet pipe and the water outlet pipe are arranged in the top channel, the water inlet pipe and the water outlet pipe are matched with the surface air cooler, airflow which passes through the rear channel and is blown by the fan and the surface air cooler achieve heat exchange, the temperature of the airflow is reduced and controlled, the problem that the temperature of the airflow rises due to heating of the fan is solved, and the airflow is kept at the temperature needed in production of various drugs.
Description
Technical field:
The utility model relates to weighing room's equipment technical field, refers in particular to a kind of controllable constant-temperature negative pressure weighing room.
Background technology:
Negative pressure weighing room is a kind of for special local cleaning apparatus in place such as pharmacy, microbe research and scientific experiments, it provides a kind of vertical one-way gas flow, part pure air circulates in workspace, part is expelled near zone, make workspace produce negative pressure, prevent cross pollution, for ensureing the high-cleanness, high environment of workspace.In equipment, carry out that dust, reagent weigh, packing, can control dust, reagent excessive, raise up, prevent dust, the inhalation hazard of reagent to human body, also avoid the cross pollution of dust, reagent, the safety of protection external environment and indoor occupant.
Existing negative pressure weighing room in use, because the blower fan of inside, weighing room extended and generates heat with the working time, cause the temperature of internal gas flow to rise, this just makes the gas flow temperature that enters weighing region also raise, and the proterties of some thermal sensitivity medicine is produced to adverse influence thereupon.
Utility model content:
The purpose of this utility model is to overcome the above-mentioned weak point of existing product, and a kind of controllable constant-temperature negative pressure weighing room is provided.
The technical scheme that the utility model is realized its object employing is: a kind of controllable constant-temperature negative pressure weighing room, comprise weighing room's body, in weighing room's body, be divided into rear channels, top passageway and weighing region, rear channels downside is provided with and the air intake that weighs regional connectivity, blower fan is installed in rear channels, the soffit of top passageway is provided with and the air outlet that weighs regional connectivity, in described air intake inner side, roughing efficiency air filter and medium effeciency filter are installed successively, in described air outlet, place is provided with the first high efficiency particulate air filter; Front end face in top passageway is also provided with an air outlet, and this air outlet place is provided with the second high efficiency particulate air filter; In described top passageway, one surface cooler is installed with the connectivity part of rear channels, the below of surface cooler is provided with drain pan, and the bottom of described surface cooler is connected with respectively water inlet pipe and outlet pipe, and drain pan bottom is connected with gutter.
Described water inlet pipe is provided with electromagnetic valve.
In described top passageway, the front of surface cooler is separately installed with overhead gage and lower baffle plate.
Described water inlet pipe, outlet pipe and gutter pass from body rear, weighing room.
Be provided with anemobiagraph, humiture survey meter, differential pressure indicator, PLC touch screen, PAO in the panel of the rear channels of described weighing room body and send out dirt hole, power switch and various functional interface, indicator lamp; Be provided with PAO in the front end face of top passageway and detect hole.
The utility model by arranging surface cooler and supporting water inlet pipe, outlet pipe with it in top passageway, make through after the blower fan of the square channel air-flow and the surface cooler that blow carry out interchange of heat, control heat exchanger effectiveness by controlling water inlet pipe output, make the temperature of air-flow be reduced and control, solve the problem that causes gas flow temperature to raise because of blower fan heating, guarantee that gases flow is in the applicable desired temperature of various pharmaceutical production.
Brief description of the drawings:
Fig. 1 is front view of the present utility model;
Fig. 2 is lateral view of the present utility model.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
As shown in Figure 1 and Figure 2, a kind of negative pressure described in the utility model weighing room, comprise weighing room's body, in weighing room's body, be divided into rear channels 1, top passageway 2 and weigh region 3, rear channels 1 downside is provided with and the air intake 11 that weighs region 3 and be communicated with, blower fan 4 is installed in rear channels 1, the soffit (weighing directly over region) of top passageway 2 is provided with and the air outlet 21 that weighs region 4 and be communicated with, in described air intake 11 inner sides, roughing efficiency air filter 12 and medium effeciency filter 13 are installed successively, in described air outlet, 21 places are provided with the first high efficiency particulate air filter 22; Also be provided with an air outlet 23 in the front end face of top passageway 2, these air outlet 23 places are provided with the second high efficiency particulate air filter 24, in described top passageway, one surface cooler 5 is installed with the connectivity part of rear channels, the below of surface cooler 5 is provided with drain pan 6, the bottom of described surface cooler 5 is connected with respectively water inlet pipe 51 and outlet pipe 52, and drain pan 6 bottoms are connected with gutter 61.Surface cooler 5 is supplied water by water inlet pipe 51, and inner coil pipe and air-flow interchange of heat reduce gas flow temperature; When air-flow cooling simultaneously, the water droplet of condensation falls into the drain pan 6 of bottom, discharges through gutter 61.
Described water inlet pipe 51 is provided with electromagnetic valve 53, to control the output of water inlet pipe 51, thus the heat exchanger effectiveness of control table cooler 5 and air-flow, the temperature of control air-flow, realizes controllable constant-temperature.
In described top passageway 2, the front of surface cooler 5 is separately installed with overhead gage 54 and lower baffle plate 55.Overhead gage 54 and lower baffle plate 55 make air-flow advance along specific path, after lower baffle plate 55, flow downward from the top of top passageway 2 again, make to weigh region 3 and obtain better air-flow vertically downward.
Described water inlet pipe 51, outlet pipe 52 and gutter 61 pass from body rear, weighing room, are convenient to assemble with exterior line.
Be provided with anemobiagraph 101, humiture survey meter 102, differential pressure indicator 103, PLC touch screen 104, PAO in the panel of the rear channels 1 of described weighing room body and send out dirt hole 105, power switch 106 and various functional interface 107, rapid stop key 108; Be provided with PAO in the front end face of top passageway 2 and detect hole 203, to monitor in real time duty and various parameter, make it to meet job requirements, for example humiture survey meter 102 Real-Time Monitoring humitures also regulate output to ensure constant temperature by electromagnetic valve 53.When parameter change or while not meeting job requirements, by indicator lamp alarm or auditory tone cues, should be by rapid stop key 108 shutdown inspections or powered-down; Functional interface 107 comprises the socket of printing machine connecting port and conduct power supply etc.The top that weighs region 3 is also provided with illuminating lamp 31.
The utility model by arranging surface cooler 5 and supporting water inlet pipe 51, outlet pipe 52 with it in top passageway 2, make through after the blower fan 4 of square channel 1 air-flow and the surface cooler 5 that blow carry out interchange of heat, control heat exchanger effectiveness by controlling water inlet pipe 51 outputs, make the temperature of air-flow be reduced and control, solve the problem that causes gas flow temperature to raise because of blower fan heating, guarantee that gases flow is in the applicable desired temperature of various pharmaceutical production.
Claims (5)
1. a controllable constant-temperature negative pressure weighing room, comprise weighing room's body, in weighing room's body, be divided into rear channels, top passageway and weighing region, rear channels downside is provided with and the air intake that weighs regional connectivity, blower fan is installed in rear channels, the soffit of top passageway is provided with and the air outlet that weighs regional connectivity, in described air intake inner side, roughing efficiency air filter and medium effeciency filter is installed successively, and in described air outlet, place is provided with the first high efficiency particulate air filter; Front end face in top passageway is also provided with an air outlet, and this air outlet place is provided with the second high efficiency particulate air filter; It is characterized in that: in described top passageway, one surface cooler is installed with the connectivity part of rear channels, the below of surface cooler is provided with drain pan, and the bottom of described surface cooler is connected with respectively water inlet pipe and outlet pipe, and drain pan bottom is connected with gutter.
2. controllable constant-temperature negative pressure according to claim 1 weighing room, is characterized in that: described water inlet pipe is provided with electromagnetic valve.
3. controllable constant-temperature negative pressure according to claim 1 weighing room, is characterized in that: in described top passageway, the front of surface cooler is separately installed with overhead gage and lower baffle plate.
4. controllable constant-temperature negative pressure according to claim 1 weighing room, is characterized in that: described water inlet pipe, outlet pipe and gutter pass from body rear, weighing room.
5. controllable constant-temperature negative pressure according to claim 1 weighing room, is characterized in that: be provided with anemobiagraph, humiture survey meter, differential pressure indicator, PLC touch screen, PAO in the panel of the rear channels of described weighing room body and send out dirt hole, power switch and various functional interface, rapid stop key; Be provided with PAO in the front end face of top passageway and detect hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250431.9U CN203879049U (en) | 2014-05-15 | 2014-05-15 | Controllable constant-temperature negative pressure weighing room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250431.9U CN203879049U (en) | 2014-05-15 | 2014-05-15 | Controllable constant-temperature negative pressure weighing room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879049U true CN203879049U (en) | 2014-10-15 |
Family
ID=51679564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420250431.9U Expired - Fee Related CN203879049U (en) | 2014-05-15 | 2014-05-15 | Controllable constant-temperature negative pressure weighing room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178645A (en) * | 2015-09-11 | 2015-12-23 | 无锡零界净化设备有限公司 | Negative pressure weighing chamber |
-
2014
- 2014-05-15 CN CN201420250431.9U patent/CN203879049U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178645A (en) * | 2015-09-11 | 2015-12-23 | 无锡零界净化设备有限公司 | Negative pressure weighing chamber |
| CN105178645B (en) * | 2015-09-11 | 2017-12-12 | 无锡零界净化设备股份有限公司 | Negative pressure weighing room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20180515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |