CN102085525A - Fume hood with extinguishment monitoring system - Google Patents
Fume hood with extinguishment monitoring system Download PDFInfo
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- CN102085525A CN102085525A CN2009102520739A CN200910252073A CN102085525A CN 102085525 A CN102085525 A CN 102085525A CN 2009102520739 A CN2009102520739 A CN 2009102520739A CN 200910252073 A CN200910252073 A CN 200910252073A CN 102085525 A CN102085525 A CN 102085525A
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- fume cupboard
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Abstract
The invention provides a fume hood with an extinguishment monitoring system, which comprises a smoke discharging cabinet body, a nitrogen fire extinguishing device and a monitoring system, wherein the smoke discharging cabinet body comprises a bench platform, a sensing device and an exhausting device; the exhausting device comprises an exhaust hole arranged above the bench platform, air in the smoke venting cabinet body is discharged from the exhaust hole through the operation of a motor; the sensing device is arranged below the exhaust hole, the nitrogen fire extinguishing device is provided with a spraying hole arranged above the bench platform; the monitoring system is provided with a displaying unit, a controlling unit, a device monitoring interface and a memory unit used for recording the operation information of a fire detection device of the smoke discharging cabinet body; and the device monitoring interface is electrically connected with the sensing device, the motor and the nitrogen fire extinguishing device, when the monitoring system receives a fire parameter transmitted by the sensing device, and if the fire parameter is more than a preset parameter, the monitoring system starts the nitrogen fire extinguishing device.
Description
Technical field
The invention relates to a kind of fume cupboard, and particularly about a kind of fume cupboard with fire extinguishing monitoring system.
Background technology
The employed laboratory of each professional scientific organization and scientific and technological industry a few days ago, it all is provided with a fume cupboard with exhausting smoke discharging effect mostly, except being used for carrying out every research experiment, the set exhaust apparatus of fume cupboard also can be used for extracting and get rid of dense smoke or the toxic gas that experimentation produces, and avoids dense smoke or toxic gas to leak and be full of causing danger in the laboratory.
But, such fume cupboard is not all to be furnished with self-extinguishing equipment and fire extinguishing monitoring system, so that the related personnel can't learn at once and put out a fire monitoring system link and be equipped on the fume cupboard arrangement for detecting (for example: the actual temperature of the institute's sensing fume cupboard field position temperature detecting device), therefore if because when chemical experiment such as high temperature or heating and initiation fire, generally just can only use manually-operated extinguishing device to be sprayed fire extinguishing by the Field Force, as personnel if can't use manually-operated extinguishing device to be sprayed when fire extinguishing immediately, will cause flare to spread, may the initiation fire the condition of a disaster when serious, the security of lab assistant waits test.A few days ago, but have the fume cupboard product of self-extinguishing on the market, but but the fume cupboard of these self-extinguishings, the fire-extinguishing apparatus of its use is two kinds: a kind of is the fire extinguisher of carbonated medicament, another kind then is the fire extinguisher that contains heptafluoro-propane (FM200) medicament.
Yet, the fire extinguisher of use carbonated medicament, it is harmful that its contained carbon dioxide has toxicity; And use the fire extinguisher that contains heptafluoro-propane (FM200) medicament, its fluoride is then very big to ambient influnence, as: greenhouse effects, therefore, above-mentioned fume cupboard product does not also meet considering of human body safety and green environment.
Summary of the invention
In view of this, the invention provides a kind of fume cupboard, to solve the technical problem that exists in the above-mentioned background technology with fire extinguishing monitoring system.
The present invention proposes a kind of fume cupboard with fire extinguishing monitoring system, comprises at least one smoke evacuation cabinet, nitrogen extinguishing device and monitoring system.The smoke evacuation cabinet comprises experiment tables, arrangement for detecting and exhaust apparatus, and exhaust apparatus comprises the exhaust outlet that is disposed at experiment tables top, and the running by motor is communicated to outdoor with the air in the cabinet of will discharging fume from exhaust outlet by ventilation duct.Arrangement for detecting is disposed at the exhaust outlet below, and the nitrogen extinguishing device has the ejiction opening that is disposed at experiment tables top.Monitoring system has display unit, control module and assembly monitor interface.Display unit is in order to show a monitored picture; Control module is used for the user and is imported a control signal; The assembly monitor interface electrically connects arrangement for detecting, motor and nitrogen extinguishing device.Receive the fire alarm parameter of arrangement for detecting transmission when monitoring system after, greater than a parameter preset, monitoring system then starts the nitrogen extinguishing device automatically as if this fire alarm parameter.
According to the described fume cupboard of one embodiment of the invention with fire extinguishing monitoring system, above-mentioned monitoring system is the RS485 monitoring system, and but the assembly monitor interface comprises program logic controller (Programmable LogicController, PLC), but described program logic controller electrically connects a frequency converter to control the rotating speed of this motor.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, the said apparatus monitoring interface more electrically connects a timer, with the time span of control nitrogen extinguishing device startup.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, the said apparatus monitoring interface more electrically connects a touch control operation panel, and described touch control operation panel configuration is on first outer surface of smoke evacuation cabinet.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, the said apparatus monitoring interface more electrically connects a temperature setting operation panel, and described temperature setting operation panel configuration is on second outer surface of smoke evacuation cabinet.
According to the described fume cupboard of one embodiment of the invention with fire extinguishing monitoring system, above-mentioned smoke evacuation cabinet more comprises an opening, and be provided with sliding door apparatus in this opening part, and described sliding door apparatus electrical connection device monitoring interface, it uses the size of manually or automatically controlling this opening for the user.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned smoke evacuation cabinet quantity is a plurality of.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned arrangement for detecting is the flame detecting device.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned arrangement for detecting is a smoke detector.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned arrangement for detecting is the temperature detecting device.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned nitrogen extinguishing device is the low-pressure nitrogen extinguishing device, and the nitrogen pressure of low-pressure nitrogen extinguishing device is essentially 7 kg/cm (kg/cm
2).
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned experiment tables top is provided with a lighting unit.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned monitoring system comprises in order to the relevant pull station information mnemon of record smoke evacuation cabinet.
According to the described fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, above-mentioned exhaust apparatus more disposes in order to the control air and whether passes through gate.
In sum, fume cupboard with fire extinguishing monitoring system provided by the present invention, the related personnel can be in far-end, by the shown monitored picture of display unit, go to monitor the related setting parameter or the present information such as job status of these extinguishing devices of the relevant extinguishing device of smoke evacuation cabinet, with guarantee its running situation well whether, and when if fire alarm takes place the too high or smokescope of institute's temperature that causes greater than the fire alarm parameter preset, monitoring system can start the low-pressure nitrogen of nitrogen extinguishing device, that is to say, the related personnel can remove the default fire alarm parameter preset that meets prevailing circumstances according to the fume cupboard actual state of context at that time.And the nitrogen extinguishing device can avoid the fire extinguisher of present carbon dioxide medicament to the injury that human body produced, or the pollution of avoiding using the fire extinguisher that contains heptafluoro-propane (FM200) medicament that environment is produced.
Description of drawings
Fig. 1 is the schematic perspective view of its smoke evacuation cabinet of the fume cupboard with fire extinguishing monitoring system of one embodiment of the invention;
Fig. 2 is the front view of the fume cupboard with fire extinguishing monitoring system of one embodiment of the invention;
Fig. 3 is the schematic diagram of Fig. 1 touch control operation panel of the present invention; And
Fig. 4 is the front view of the fume cupboard with fire extinguishing monitoring system of another embodiment of the present invention.
Description of reference numerals
10-has the fume cupboard of fire extinguishing monitoring system; The 100-cabinet of discharging fume; 110-tests tables; The 120-arrangement for detecting; The 130-exhaust apparatus; The 131-exhaust outlet; The 132-gate; The 140-opening; The 141-sliding door apparatus; 150-first outer surface; 151 second outer surfaces; 160-touch control operation panel; The 161-buzzer; 162-instant fire extinguishment device button; 170 temperature setting operation panels; 200-nitrogen extinguishing device; The 201-ejiction opening; The 300-monitoring system; 301 assembly monitor interfaces; 302 display units; 303 control modules; But 304 program logic controllers; 305 frequency converters; 306 timers; 307 lighting units; The 400-motor; The 401-ventilation duct.
The specific embodiment
For above-mentioned feature of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Fig. 1 is the schematic perspective view of its smoke evacuation cabinet of the fume cupboard with fire extinguishing monitoring system of one embodiment of the invention, and Fig. 2 is the front view of the fume cupboard with fire extinguishing monitoring system of one embodiment of the invention.
See also Fig. 1 and Fig. 2, the fume cupboard 10 with fire extinguishing monitoring system shown in the present comprises at least one smoke evacuation cabinet 100, nitrogen extinguishing device 200, monitoring system 300 and lighting unit 307.
Nitrogen extinguishing device 200 electrical connection device monitoring interfaces 301, described nitrogen extinguishing device 200 is for being filled with the extinguishing device of low-pressure nitrogen, and in this, nitrogen pressure is essentially 7 kg/cm (kg/cm
2) stable state gas, wherein the position configuration of at least one ejiction opening 201 of nitrogen extinguishing device 200 is in experiment tables 110 tops, when initiation fire, can be by ejiction opening 201 these low-pressure nitrogens of ejection that are disposed at experiment tables 110 tops.
The nitrogen emission direction of described nitrogen extinguishing device 200, direction ejection shown in the arrow of Fig. 2, because nitrogen gas is a kind of non-combustible gas, therefore the nitrogen that is sprayed by nitrogen extinguishing device 200, can completely cut off contacting of combustible object and oxygen, when providing of fuel gas was not provided combustible, its intensity of a fire size just can access corresponding control.In addition, by the setting of timer 306, monitoring system 300 can be controlled the attack time length that nitrogen extinguishing device 200 starts nitrogen.
Like this, the fume cupboard 10 nitrogen extinguishing device 200 that uses with fire extinguishing monitoring system of the present invention, just can avoid other as: the fire extinguisher of carbon dioxide medicament to the injury of human body generation or contain of the pollution of the fire extinguisher of heptafluoro-propane (FM200) medicament to the environment generation.
In addition, the position of the ejiction opening 201 of nitrogen extinguishing device 200 more can dispose a magnetic valve, and magnetic valve is used to control the sprinkling of nitrogen extinguishing device 200.And work as nitrogen extinguishing device 200 under situation about must not use, magnetic valve also can cut out the ejiction opening 201 of extinguishing device, can not cause the waste of nitrogen amounts in the nitrogen extinguishing device 200.
In brief, general experimental implementation is many carries out on experiment tables 110, so when careless breaking out of fire, be disposed at the existence that near exhaust outlet 131 arrangement for detecting 120 can be sensed burning things which may cause a fire disaster earlier, at this moment the motor 400 of exhaust apparatus 130 can shut down earlier, and a gate 132 of being located at exhaust apparatus 130 also can shut automatically, like this, air just can't successfully be discharged from ventilation duct 401, therefore to reduce flare causes other fire via the ventilation duct 401 that links to each other possibility.
Wherein, arrangement for detecting 120 can be flame detecting device, smoke detector or temperature detecting device, but described arrangement for detecting 120 is electrically connected at the program logic controller 304 on the assembly monitor interface 301, and it is disposed at exhaust outlet 131 belows.Arrangement for detecting 120 is used for any signal about flare, dense smoke or high temperature of moment sensing.
In addition, first outer surface 150 of smoke evacuation cabinet 100 and second outer surface 151 more are respectively arranged with touch control operation panel 160 and temperature setting operation panel 170.But described touch control operation panel 160 and temperature setting operation panel 170 are electrically connected at the program logic controller 304 on the assembly monitor interface 301, and wherein, touch control operation panel 160 usefulness are directly controlled the extinguishing device that smoke evacuation cabinet 100 is correlated with for the experimenter; Temperature setting operation panel 170 usefulness for the experimenter according to smoke evacuation cabinet 100 actual state of context at that time, remove the default fire alarm parameter preset that meets prevailing circumstances, for example: the user can be according to cabinet 100 temperature of context at that time of discharging fume, remove to set the predefined parameter of fire alarm temperature, whether can be too high and be easier to the experimenter when testing with certain grasp fume cupboard ambient temperature, the possibility of fire alarm takes place.
Certainly, the related personnel also can pass through assembly monitor interface 301, import relevant fire alarm parameter preset such as fire alarm temperature or its smokescope in advance in the control module 303 of monitoring system 300, therefore, when arrangement for detecting 120 detects these relevant fire alarm parameters, can transmit this fire alarm parameter to monitoring system 300, at this moment, if this fire alarm parameter is during greater than the fire alarm parameter preset, that is to say, when experiment tables 110 fire alarms took place the too high or smokescope of institute's temperature that causes greater than the fire alarm parameter preset, monitoring system 300 can start nitrogen extinguishing devices 200, to put out the action of burning things which may cause a fire disaster.
What must illustrate in addition is, above-mentioned motor 400 can have different rotating speeds by the FREQUENCY CONTROL of frequency converter 305, and motor 400 can change with the height change of sliding door apparatus 141, detailed speech, when sliding door apparatus 141 raises, the rotating speed of motor 400 can increase and then increase capacity, to bring into play splendid exhausting effect; When sliding door apparatus 141 descends, the rotating speed of motor 400 will slow down synchronously, based on this principle, when having located arround experiment tables 110 or its that fire alarm takes place and this fire alarm when taking place the too high or smokescope of institute's temperature that causes greater than the fire alarm parameter preset, sliding door apparatus 141 can descend by electrical autocontrol, the rotating speed of motor 400 also can stop automatically, gate 132 is closed automatically simultaneously, thus, can intercept the required air of flare burning immediately, simultaneously start nitrogen extinguishing devices 200 by monitoring system 300 and from ejiction opening 201 in a Preset Time length, the ejection low-pressure nitrogen, can moment put out burning things which may cause a fire disaster, so motor 400 provides the experimenter when use has the fume cupboard 10 of fire extinguishing monitoring system, keep the basic ventilation effect of smoke evacuation cabinet 100; And fire suppresses the usefulness that flare spreads rapidly when taking place.
In this, what must illustrate is, when experiment tables 110 fire alarms take place the too high or smokescope of institute's temperature that causes still greater than the fire alarm parameter preset, monitoring system 300 can automatically perform the startup nitrogen extinguishing device 200 of another time, till burning things which may cause a fire disaster is extinguished, that is to say to have of the setting of the fume cupboard 10 of fire extinguishing monitoring system, can have the fire-extinguishing function concurrently more than at least two sections according to the related personnel.
For instance, this fire alarm parameter that is detected when arrangement for detecting 120 is during greater than the fire alarm parameter preset, fume cupboard 10 with fire extinguishing monitoring system can be by siren (for example: buzzer) give the alarm earlier, have unusually with caution personnel cabinet 100 ambient temperature of discharging fume, afterwards, monitoring system 300 can stop motor 400 automatically, to stop to be rejected to outdoor from exhaust outlet 131 via ventilation duct 401 air in the smoke evacuation cabinet 100, and the flare expansion of in the very first time, blocking laboratory table platform 110 or locating arround it, if this fire alarm parameter that arrangement for detecting 120 is detected continues to rise, and during another fire alarm parameter preset that sets greater than the user, monitoring system 300 can start nitrogen extinguishing device 200 automatically with the moment fire extinguishing of ejection low-pressure nitrogen.
The continuous Fig. 3 that please consults simultaneously, Fig. 3 is the schematic diagram of Fig. 1 touch control operation panel of the present invention.
As shown in Figure 3, the touch-control button that has control smoke evacuation cabinet 100 relevant extinguishing devices on the touch control operation panel 160, for example: the lifting of the operating frequency adjustment of motor 400, urgent exhaust, time set, the keying of lighting unit 307, the keying of gate 132 etc. or sliding door apparatus 141.
Wherein, adjust the touch-control button by the operating frequency of motor 400, the related personnel can directly control the running speed of motor 400; By urgent exhaust touch-control button, the related personnel can directly control the capacity of the fume cupboard 10 with fire extinguishing monitoring system.In addition, touch control operation panel 160 has memory function, when then sending a telegram in reply situation again when taking place to cut off the power supply, can utilize the mode of operation before this memory function is recovered to cut off the power supply automatically.
Touch control operation panel 160 comprises a buzzer 161, when fire takes place, can circulate a notice of other lab assistants according to this and know; In addition, touch control operation panel 160 also comprises an instant fire extinguishment device button 162, and when fire took place, lab assistant can directly be pushed this instant fire extinguishment device button 162, directly opens nitrogen extinguishing device 200; Simultaneously, the outside of this instant fire extinguishment device button 162 more can dispose transparent protective cover, and this transparent protective cover is used to protect instant fire extinguishment device button 162, and it is operational improper so to cause to avoid the lab assistant mistake to bump instant fire extinguishment device button 162.
Hence one can see that, because touch control operation panel 160 electrical connection device monitoring interfaces 301, so the setting data or the unit state of above-mentioned touch control operation panel 160, can be with a monitored picture, display unit 302 by monitoring system 300 shows, and mnemon (for example: hard disk or memory body) by monitoring system 300, for example can write down: touch control operation panel 160, temperature setting operation panel 170, nitrogen extinguishing device 200, motor 400 rotating speeds, frequency converter 305, but the operation note in program logic controller relevant its past of extinguishing device such as 304 grades or present information and parameter such as mode of operation can be in the operation informations of inquiring about these relevant extinguishing devices thereafter from mnemon for the related personnel.Hence one can see that, and the related personnel can be in the related setting parameter or the present information such as job status of these extinguishing devices of remote monitoring and grasp smoke evacuation cabinet 100 these relevant extinguishing devices.
In addition, Fig. 4 is the front view of the fume cupboard 10 with fire extinguishing monitoring system of another embodiment of the present invention.
As shown in Figure 4, have the fire extinguishing monitoring system fume cupboard 10 comprise a plurality of (more than two or two) smoke evacuation cabinet 100, nitrogen extinguishing device 200 and monitoring system 300.Wherein the quantity in present embodiment smoke evacuation cabinet 100 is example with three.
These smoke evacuation cabinets 100 can configuration adjacent one another are or separate configuration, when therefore being applied to the laboratory, these smoke evacuation cabinets 100 can be configured in laboratory between same laboratory or difference simultaneously, decide according to actual demand, and three smoke evacuation cabinets 100 described here are for illustrating, and practical application is not exceeded with this number.
In detail, a plurality of smoke evacuation cabinets 100 of this embodiment can be controlled by same nitrogen extinguishing device 200 and monitoring system 300 simultaneously, in other words, nitrogen extinguishing device 200 only needs one group, just can support these smoke evacuation cabinets 100 simultaneously, the relevant extinguishing device of similarly different smoke evacuation cabinets 100 also can be controlled in far-end by same monitoring system 300, that is to say, the related personnel can be in far-end, by display unit 302, the monitored picture of these smoke evacuation cabinet 100 relevant extinguishing devices of switching monitoring.Wherein, mention in the foregoing description, do not add in this and give unnecessary details about the principle how monitoring system 300 controls these relevant extinguishing devices.
In addition, when same monitoring system 300 is controlled these smoke evacuation cabinets 100 simultaneously, and when wherein having only smoke evacuation cabinet 100 breaking out of fires, at this moment monitoring system 300 just only can be opened the magnetic valve of the smoke evacuation cabinet 100 of this breaking out of fire, while also keeps other magnetic valve to keep closing state equally, so just can prevent the waste of nitrogen amounts in the nitrogen extinguishing device 200.
In sum, the fume cupboard with fire extinguishing monitoring system of the present invention has following characteristics:
1. be different from the fire extinguishing monitoring system that known fume cupboard does not have monitoring capacity, the invention provides the related personnel can be in far-end, by the shown monitored picture of display unit, go to monitor related setting parameter or the present information such as job status of these extinguishing devices of the relevant extinguishing device of smoke evacuation cabinet, with guarantee its running situation well whether, if and fire alarm is when taking place institute's excess Temperature that causes or smokescope greater than the fire alarm parameter preset, monitoring system can start the low-pressure nitrogen of nitrogen extinguishing device, that is to say, the related personnel can according to the fume cupboard actual state of context at that time, remove the default fire alarm parameter preset that meets prevailing circumstances.
2. when testing tables' fire alarm generation institute's excess Temperature that causes or smokescope still greater than the fire alarm parameter preset, monitoring system can automatically perform the startup nitrogen extinguishing device of another time, until burning things which may cause a fire disaster is extinguished, that is to say, the fume cupboard of fire extinguishing monitoring system can have the fire-extinguishing function concurrently more than at least two sections according to related personnel's setting.
3. the related personnel can preestablish the time span of nitrogen extinguishing device ejection low-pressure nitrogen, therefore can adjust the use amount of low-pressure nitrogen when fire extinguishing, reduces the waste of nitrogen.
4. the nitrogen extinguishing device can be avoided the injury that the fire extinguisher of present carbon dioxide medicament produces human body, or avoids use to contain the fire extinguisher of heptafluoro-propane (FM200) medicament to the pollution of environment generation.
5. when causing fire alarm, the low-pressure nitrogen that sprays by the nitrogen extinguishing device, with contacting of isolated combustible object and oxygen, so intensity of a fire size can be extinguished immediately.
6. the various functions of the fume cupboard of fire extinguishing monitoring system can both be controlled setting by touch-control display panel and Temperature Setting guidance panel, or control setting by the control module of monitoring system, have simultaneously and manually reach automatic operation mode and urgent forced exhaust function, not only machinery-free postpones to cause the inaccurate anxiety of experimental result, have more concentrate control, the effect of easy operating and sequencing, computerized design.
The above description of this invention is illustrative, and nonrestrictive, and those skilled in the art is understood, and the spirit and the range that limit in claim can carry out many modifications, variation or equivalence to it, but they all will fall within the scope of protection of the present invention.
Claims (16)
1. the fume cupboard with fire extinguishing monitoring system is characterized in that, comprises:
At least one smoke evacuation cabinet, comprise experiment tables, an arrangement for detecting and an exhaust apparatus, this exhaust apparatus comprises an exhaust outlet, this exhaust outlet is disposed at this experiment tables top, running by a motor, be communicated to outdoorly by a ventilation duct from this exhaust outlet with the air in the cabinet of will discharging fume, this arrangement for detecting is disposed at this exhaust outlet below;
One nitrogen extinguishing device has at least one ejiction opening, and this ejiction opening is disposed at this experiment tables top; And
One monitoring system, have a display unit, a control module and an assembly monitor interface, this display unit is in order to show a monitored picture, this control module is used for the user and is imported a control signal, this assembly monitor interface electrically connects this arrangement for detecting, this motor and this nitrogen extinguishing device, after this monitoring system received the fire alarm parameter that this arrangement for detecting transmits, if this fire alarm parameter is greater than a parameter preset, this monitoring system then started this nitrogen extinguishing device.
2. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 it is characterized in that this monitoring system is a RS485 monitoring system, but this assembly monitor interface comprises a program logic controller.
3. the fume cupboard with fire extinguishing monitoring system as claimed in claim 2 is characterized in that, but should electrically connect a frequency converter to control the rotating speed of this motor by program logic controller.
4. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this assembly monitor interface more electrically connects a timer, to control the time span that this nitrogen extinguishing device starts.
5. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this assembly monitor interface more electrically connects a touch control operation panel, and this touch control operation panel configuration is on one first outer surface of this smoke evacuation cabinet.
6. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this assembly monitor interface more electrically connects a temperature setting operation panel, and this temperature setting operation panel configuration is on one second outer surface of this smoke evacuation cabinet.
7. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1, it is characterized in that this smoke evacuation cabinet more comprises an opening, and is provided with a sliding door apparatus in this opening part, this sliding door apparatus electrically connects this assembly monitor interface, is used to control the size of this opening.
8. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this smoke evacuation cabinet quantity is a plurality of.
9. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this arrangement for detecting is a flame detecting device.
10. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this arrangement for detecting is a smoke detector.
11. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this arrangement for detecting is a temperature detecting device.
12. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this nitrogen extinguishing device is a low-pressure nitrogen extinguishing device.
13. the fume cupboard with fire extinguishing monitoring system as claimed in claim 12 is characterized in that the nitrogen pressure of this low-pressure nitrogen extinguishing device is essentially 7 kg/cm.
14. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that, this experiment tables top more is provided with a lighting unit.
15. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that this monitoring system comprises a mnemon.
16. the fume cupboard with fire extinguishing monitoring system as claimed in claim 1 is characterized in that, this exhaust apparatus more disposes a gate that whether passes through in order to the control air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102520739A CN102085525A (en) | 2009-12-08 | 2009-12-08 | Fume hood with extinguishment monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102520739A CN102085525A (en) | 2009-12-08 | 2009-12-08 | Fume hood with extinguishment monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN102085525A true CN102085525A (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102520739A Pending CN102085525A (en) | 2009-12-08 | 2009-12-08 | Fume hood with extinguishment monitoring system |
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| CN (1) | CN102085525A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807861A (en) * | 2014-01-27 | 2014-05-21 | 中国北方发动机研究所(天津) | Diesel engine test room smoke discharging system |
| CN103978003A (en) * | 2014-04-18 | 2014-08-13 | 天长市华盛科技装饰有限公司 | CIT ventilation cabinet with temperature-proof smoke-proof and fire-extinguishing functions |
| CN105708137A (en) * | 2016-04-01 | 2016-06-29 | 湖南省嘉嘉旺电器科技有限公司 | Multiple intelligent protection heating table and safety control method thereof |
| CN116585643A (en) * | 2023-07-14 | 2023-08-15 | 倚世节能科技（上海）有限公司 | Fire extinguishing method and computer storage medium |
-
2009
- 2009-12-08 CN CN2009102520739A patent/CN102085525A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807861A (en) * | 2014-01-27 | 2014-05-21 | 中国北方发动机研究所(天津) | Diesel engine test room smoke discharging system |
| CN103978003A (en) * | 2014-04-18 | 2014-08-13 | 天长市华盛科技装饰有限公司 | CIT ventilation cabinet with temperature-proof smoke-proof and fire-extinguishing functions |
| CN103978003B (en) * | 2014-04-18 | 2016-01-27 | 天长市华盛科技装饰有限公司 | CIT has the vent cabinet of anti-temperature Smoke prevention fire-extinguishing function concurrently |
| CN105708137A (en) * | 2016-04-01 | 2016-06-29 | 湖南省嘉嘉旺电器科技有限公司 | Multiple intelligent protection heating table and safety control method thereof |
| CN105708137B (en) * | 2016-04-01 | 2019-03-15 | 湖南省嘉嘉旺电器科技有限公司 | A kind of multiple intelligent protection Table capable of heating and its method of controlling security |
| CN116585643A (en) * | 2023-07-14 | 2023-08-15 | 倚世节能科技（上海）有限公司 | Fire extinguishing method and computer storage medium |
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Application publication date: 20110608 |