CN2455282Y - Fire extinguisher - Google Patents
Fire extinguisher Download PDFInfo
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- CN2455282Y CN2455282Y CN 00264162 CN00264162U CN2455282Y CN 2455282 Y CN2455282 Y CN 2455282Y CN 00264162 CN00264162 CN 00264162 CN 00264162 U CN00264162 U CN 00264162U CN 2455282 Y CN2455282 Y CN 2455282Y
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Abstract
The utility model relates to a fire extinguishing controller matched with a fire extinguishing device in fire engineering. The utility model particularly prevents a gas extinguishing agent ejected from the fire extinguishing device from suffocating persons in a protection area. The significant casualty accident can be avoided. The utility model comprises a start button TB, a relay KA3, a relay KA7, a time delay relay KA5, an execute component DT, and a sound alarm circuit. The utility model is used for matching with the gas fire extinguishing device in the fire engineering, and the utility model sends out alarm signals before ejecting the gas extinguishing agent. The persons in the protection area can be escaped quickly. The condition that the gas extinguishing agent causes the persons to suffocate can be avoided.
Description
The utility model relates to the Fire extinguisher that is used with extinguishing device in a kind of fire engineering.
The extinguishing device that uses in the fire engineering generally has executive components such as magnetic valve, after the breaking out of fire, the fire alarm of guard plot is received at the fire-fighting center, and the control circuit at fire-fighting center makes the executive component action, the spout of extinguishing device is opened, and extinguishing chemical is from spout ejection beginning fire extinguishing.If visual plant or important item adopt the water sprinkling fire-distinguishing in some guard plot, though can put out a fire, visual plant or important item are drenched by water and damage, and can cause heavy losses equally.Therefore, the general gas extinguishing agent that adopts is put out a fire in this guard plot.If there are personnel to work in the guard plot, the fire-fighting center is received the fire alarm of guard plot and has been taked fire extinguishing measure (for example pressing fire button), and before the gas extinguishing agent ejection of extinguishing device, the personnel in the guard plot must withdraw.Otherwise the gas extinguishing agent of ejection can make personnel's accident of creating greater casualties of suffocating.
The purpose of this utility model is, a kind of Fire extinguisher that is used with extinguishing device is provided, and it can send alarm signal earlier, controls extinguishing device ejection extinguishing chemical after time-delay a period of time again.
The purpose of this utility model is achieved in that Fire extinguisher, comprises start button TB, relay K A3, relay K A7, time-delay relay KA5, executive component DT and sound alarm circuit; It is characterized in that, the two ends of start button TB are in parallel with the normally opened contact KA7-1 of relay K A7, the two ends of this parallel circuit are respectively c end and d end, the c end is connected with a utmost point of dc source, the d end is connected with an end of the coil of relay K A7, and the other end of the coil of relay K A7 is connected with the b utmost point of dc source; One end of the coil of time-delay relay KA5 is connected with the d end, and the other end of the coil of time-delay relay KA5 is connected with the b utmost point of dc source; The normally opened contact KA5-1 of time-delay relay KA5 connects with the coil of relay K A3, and the two ends of this series circuit are respectively e end and f end, and the e end is connected with a utmost point of dc source, and the f end is connected with the b utmost point of dc source; The normally opened contact KA7-2 of normally opened contact KA3-1, the relay K A7 of relay K A3 and executive component DT series connection, an end of this series circuit is connected with a utmost point of dc source, and the other end of this series circuit is connected with the b utmost point of dc source; Sound alarm circuit one end is connected with the d end, and the other end is connected with the b utmost point of dc source.
Start button TB presses the back closure for often driving button.After start button TB pressed, sound alarm circuit was switched on the sound that sends warning.After personnel in the guard plot hear the sound of the warning that sound alarm circuit sends, know that extinguishing device is about to spray extinguishing chemical, should withdraw the guard plot immediately.Behind the coil electricity of time-delay relay KA5, time-delay a period of time could move, and must guarantee that during this period of time the personnel in the guard plot can withdraw.After the executive component DT energising, the spout of extinguishing device is opened, be made the extinguishing chemical ejection.Executive component DT can adopt magnetic valve.One of them is anodal for a utmost point of dc source and the b utmost point, and another is a negative pole.
Sound alarm circuit of the present utility model comprises buzzer FM, and the end of buzzer FM is connected with the d end, and the other end is connected with the b utmost point of dc source.
Buzzer FM is installed in the guard plot, the alarm signal of sounding after its energising.After personnel in the guard plot hear audible ringing signal, just withdraw the guard plot rapidly.
The utility model also comprises optical alarm circuit, and its end is connected with the d end, and the other end is connected with the b utmost point of dc source.
Can send visual alarm after the optical alarm circuit energising.
Optical alarm circuit of the present utility model comprises resistance R 3 and light emitting diode D3, and resistance R 3 is connected with light emitting diode D3, and an end of this series circuit is connected with the d end, and the other end is connected with the b utmost point of dc source.
Light emitting diode D3 is installed in the guard plot, its energising luminous warning in back.Personnel in the guard plot see that light emitting diode D3 is luminous, just withdraw the guard plot rapidly.
The utility model also comprises executive component DT action display circuit, and this display circuit is connected in parallel on the two ends of executive component DT.
After the executive component DT action, executive component DT action display circuit will send signal and show that to operating personnel executive component DT moves.
Executive component DT action display circuit of the present utility model comprises resistance R 6 and light emitting diode D8, and resistance R 6 is connected with light emitting diode D8, and the two ends of this series circuit are connected in parallel on the two ends of executive component DT.
Light emitting diode D8 energising back is luminous, and operating personnel see that light emitting diode D8 is luminous and just know that executive component DT moves.
The utility model comprises that also extinguishing chemical sprays display circuit, and its end is connected with the d end, and the other end is connected with the b utmost point of dc source.
When the extinguishing chemical of extinguishing device sprayed, extinguishing chemical injection display circuit will send signal and show that to operating personnel the extinguishing chemical of extinguishing device sprays.
Extinguishing chemical of the present utility model sprays display circuit and comprises pressure switch K, resistance R 5 and light emitting diode D6, pressure switch K, resistance R 5 and light emitting diode D6 series connection, and an end of this series circuit is connected with the d end, and the other end is connected with the b utmost point of dc source.
Pressure switch K is installed in the exit of the valve of extinguishing device.After executive component DT opens valve, the ejection of the extinguishing chemical of extinguishing device, the extinguishing chemical of ejection makes pressure switch K action.After the pressure switch K closure, light emitting diode D6 electrified light emitting shows that to operating personnel the extinguishing chemical of extinguishing device sprays.
The utility model also comprises split key TC, and an end g of the normally-closed contact of split key TC is connected with a utmost point of dc source, and the other end is connected with the c end.
After pressing start button TB, before time-delay relay KA5 adhesive,, can press split key TC if find the wrong report fire alarm, the normally-closed contact block system relay KA7 of split key TC and the power supply of time-delay relay KA5, executive component DT is failure to actuate.
The utility model also comprises the cut-out display circuit, and its two ends are respectively h end and I end, and the h end is connected with a utmost point of dc source, and the I end is connected with the b utmost point of dc source.
After pressing split key TC, the cut-out display circuit will send signal and show that to operating personnel executive component DT no longer moves.
The utility model cuts off normally opened contact, resistance R 2 and the light emitting diode D2 that display circuit comprises split key TC, the normally opened contact of split key TC, resistance R 2 and light emitting diode D2 series connection, the h end of this series circuit is connected with a utmost point of dc source, and the I end is connected with the b utmost point of dc source.
The normally opened contact of split key TC and normally-closed contact be the interlock contact, press split key TC after, its normally opened contact closure, light emitting diode D2 electrified light emitting shows that to operating personnel executive component DT no longer moves.
The utility model also comprises emergency stop push button TA and relay K A1, the coil series connection of emergency stop push button TA and relay K A1, and an end of this series circuit is connected with a utmost point of dc source, and the other end is connected with the b utmost point of dc source; The end of normally-closed contact KA1-1 is connected with a utmost point of dc source, and the other end of normally-closed contact KA1-1 is connected with the g end with the e end.
Emergency stop push button TA is for often driving button, and it is installed near the guard plot.After sound alarm circuit or optical alarm circuit send alarm signal, if the personnel in the guard plot find it is false alarm, can press emergency stop push button TA, emergency stop push button TA makes relay K A1 energising adhesive.Normally-closed contact KA1-1 block system relay KA3, the relay K A7 of relay K A1 and the power supply of time-delay relay KA5, executive component DT no longer moves.
The utility model comprises also and promptly stops display circuit that it is made up of resistance R 1 and light emitting diode D1; Resistance R 1 and light emitting diode D1 series connection, the two ends of this series circuit are connected in parallel on the two ends of the coil of relay K A1.
Light emitting diode D1 is installed near the emergency stop push button TA, and after the personnel in the guard plot pressed emergency stop push button TA, light emitting diode D1 was energized luminous, shows that executive component DT no longer moves.
The utility model also comprises emergency start button TD, and its end is connected with a utmost point of dc source, and the other end is connected with the d end.
Emergency start button TD is for often driving button, and it is installed near the guard plot.After the personnel in the guard plot find the condition of a fire, can under the situation of not notifying the fire-fighting center, directly press emergency start button TD.Emergency start button TD makes relay K A7 and time-delay relay KA5 connect power supply, after time-delay relay KA5 time-delay, and executive component DT action, extinguishing device ejection extinguishing chemical begins fire extinguishing.
In order to strengthen reliability, the utility model also comprises relay K A2, relay K A4, time-delay relay KA6; The coils from parallel connection of coils of relay K A2 is at the coil two ends of relay K A1, and the coils from parallel connection of coils of relay K A4 is at the coil two ends of relay K A3, and the coils from parallel connection of coils of time-delay relay KA6 is at the coil two ends of time-delay relay KA5; The normally-closed contact KA2-1 of relay K A2 connects with the normally-closed contact KA1-1 of relay K A1, the normally-closed contact KA2-2 of relay K A2 connects with the normally-closed contact KA1-2 of relay K A1, the two ends parallel connection of these two series circuits, one end of this parallel circuit is connected with a utmost point of dc source, and the other end is connected with the g end with the e end; The two ends of the normally opened contact KA6-1 of time-delay relay KA6 are connected in parallel on the two ends of the normally opened contact KA5-1 of time-delay relay KA5; The two ends of the normally opened contact KA4-1 of relay K A4 are connected in parallel on the two ends of the normally opened contact KA3-1 of relay K A3.
Relay K A1 and relay K A2, relay K A3 and relay K A4, time-delay relay KA5 and three pairs of relays of time-delay relay KA6, each centering if one of them inhale and, executive component DT is moved or be failure to actuate, improved reliability.
After personnel in the guard plot find the condition of a fire, can get in touch by phone and fire-fighting center, the operating personnel at fire-fighting center learn the guard plot breaking out of fire, perhaps the sensor in the guard plot is measured breaking out of fire, send alarm signal to the fire-fighting center, the operating personnel at fire-fighting center learn the guard plot breaking out of fire.At this moment, the operating personnel at fire-fighting center can press start button TB.Owing to the utlity model has sound alarm circuit and time-delay relay, after pressing start button TB, the sound alarm circuit alarm signal of in the guard plot, sounding immediately, personnel in the guard plot hear alarm signal, know that extinguishing device is about to spray the extinguishing chemical fire extinguishing, can withdraw the guard plot rapidly in the time of time-delay relay time-delay.Like this, the extinguishing chemical ejection suffocated personnel before the personnel in the guard plot of can preventing withdrew, and avoided the accident of causing casualties.Owing to the utlity model has optical alarm circuit, after the operating personnel at fire-fighting center pressed start button TB, optical alarm circuit sent visual alarm in the guard plot.Personnel in the guard plot had both heard audible ringing signal, saw visual alarm again, and this dual warning function can cause the attention of the personnel in the guard plot, be sure of that extinguishing device is about to spray the extinguishing chemical fire extinguishing, should withdraw the guard plot rapidly.After personnel in the guard plot find the condition of a fire, also can press the operating personnel at fire-fighting center before the start button TB, near the guard plot, press emergency start button TD.Press emergency start button TD and to press the effect that start button TB produces in the guard plot identical, the personnel in the guard plot can withdraw the guard plot rapidly equally in the time of time-delay relay time-delay after hearing audible ringing signal and seeing visual alarm.Therefore, the utility model uses more flexible.Owing to the utlity model has split key TC and emergency stop push button TA, after pressing start button TB or emergency start button TD, if find the wrong report fire alarm, can in the time of time-delay relay KA5 time-delay, press split key TC or emergency stop push button TA, executive component DT no longer moves.Can prevent that like this reporting fire alarm by mistake makes the extinguishing device spray fire extinguishing agent, avoids causing unnecessary loss.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Fig. 1 is a circuit diagram of the present utility model.
As shown in Figure 1, present embodiment is a kind ofly to use in fire engineering, with the Fire extinguisher that fire-smothering gear is used, it comprises shell, circuit board, start button TB, emergency start button TD, split key TC, emergency stop push button TA, relay K A1, relay K A2, relay K A3, relay K A4, relay K A7, time-delay relay KA5, time-delay relay KA6, executive component DT, pressure switch K and sound alarm circuit.Executive component DT adopts magnetic valve, and it is installed in the spout place of fire-smothering gear, and fire-smothering gear is installed in the guard plot.Sound alarm circuit is made up of buzzer FM.The a of dc source is very anodal, and b is negative pole very.Dc source can adopt AC rectification to obtain.The coil of relay K A3 is connected with the normally opened contact KA5-1 of time-delay relay KA5, and an end of this series circuit is e, and the other end is f.Line one end of relay K A4 is connected with the d end, and the other end is to be connected with the b utmost point of dc source.Pressure switch K, resistance R 5 and light emitting diode D6 are composed in series extinguishing chemical and spray display circuit, and an end of this series circuit is connected with the d end, and the other end is connected with the b utmost point of dc source.Pressure switch K is installed in the exit of the executive component DT (magnetic valve) of fire-smothering gear.The coils from parallel connection of coils of relay K A4 is at the two ends of the coil of relay K A3, and the normally opened contact KA6-1 of time-delay relay KA6 is connected in parallel on the two ends of the normally opened contact KA5-1 of time-delay relay KA5.Split key TC comprises the normally opened contact and the normally-closed contact of interlock.The normally opened contact of split key TC, resistance R 2 and light emitting diode D2 are composed in series the cut-out display circuit, and its end is h, and the other end is i.The two ends of start button TB are in parallel with the normally opened contact KA7-1 of relay K A7, and the two ends of this parallel circuit are respectively c end and d end.Resistance R 3 is composed in series optical alarm circuit with light emitting diode D3, and its end is connected with the d end, and the other end is to be connected with the b utmost point of dc source.Resistance R 4 is composed in series another optical alarm circuit with light emitting diode D4, and its end is connected with the d end, and the other end is connected with the b utmost point of dc source.The coil of the coil of time-delay relay KA5, time-delay relay KA6 and buzzer FM three parallel connection, an end of this parallel circuit is connected with the d end, and the other end is to be connected with the b utmost point of dc source.Emergency start button TD is connected with a utmost point of dc source, and the other end is connected with the d end.The normally opened contact KA7-2 of normally opened contact KA3-1, the relay K A7 of relay K A3 and executive component DT series connection, an end of this series circuit is connected with a utmost point of dc source, and the other end is connected with the b utmost point of dc source.The normally opened contact KA4-1 of relay K A4 is connected in parallel on the two ends of the normally opened contact KA3-1 of relay K A3.Resistance R 6 is composed in series executive component DT action display circuit with light emitting diode D8, and the two ends of this series circuit are connected in parallel on the two ends of executive component DT.Emergency stop push button TA connects with the coil of relay K A1, and an end of this series circuit is connected with a utmost point of dc source, and the other end is connected with the b utmost point of dc source.The coils from parallel connection of coils of relay K A2 is at the two ends of the coil of relay K A1.Resistance R 1 and light emitting diode D1 are composed in series and promptly stop display circuit, and the two ends of this series circuit are connected in parallel on the two ends of the coil of relay K A1.One end of the normally-closed contact of split key TC is g, and the other end is connected with the c end.The normally-closed contact KA1-1 of relay K A1 connects with the normally-closed contact KA2-1 of relay K A2, the normally-closed contact KA1-2 of relay K A1 connects with the normally-closed contact KA2-2 of relay K A2, the two ends parallel connection of these two series circuits, one end of this parallel circuit is connected with a utmost point of dc source, and the other end is connected with e end, h end and g end.Time-delay relay KA5 and time-delay relay KA6 set time-delay 30 seconds.Emergency start button TD and emergency stop push button TA are installed near the guard plot, and light emitting diode D1, light emitting diode D3 and buzzer FM are installed in the protection.Light emitting diode D2, light emitting diode D4, light emitting diode D6, light emitting diode D8, start button TB and split key TC are installed on the shell.Except that pressure switch K and executive component DT, other components and parts all are installed in circuit board, and circuit board is installed in the enclosure.
The utility model is placed in the fire-fighting intracardiac.After finding the condition of a fire in the guard plot, the personnel in the guard plot are by the operator at the fire-fighting center that tells by telephone.The operator at fire-fighting center presses start button TB, relay K A7 adhesive, time-delay relay KA5 and time-delay relay KA6 trigger.Simultaneously, buzzer FM pipes luminous with light emitting diode D3, and the personnel in the guard plot report to the police.Light emitting diode D4 is luminous, shows that to the operator start button TB presses.After personnel in the guard plot hear and see alarm signal, withdraw the guard plot immediately.The delay time of time-delay relay KA5 and time-delay relay KA6 arrives, time-delay relay KA5 and time-delay relay KA6 adhesive.Relay K A3 and relay K A4 adhesive.Executive component DT is that magnetic valve is opened, the extinguishing chemical of fire-smothering gear ejection beginning fire extinguishing, and light emitting diode D8 is luminous simultaneously, shows that to the operator magnetic valve opens.Extinguishing chemical is during from the outlet of magnetic valve ejection, and the pressure of extinguishing chemical makes pressure switch K closure, and light emitting diode D6 is luminous, shows that to the operator extinguishing device is just at spray fire extinguishing agent.After personnel in the guard plot find the condition of a fire, also can directly press emergency start button TD and put out a fire.If after pressing start button TB or emergency start button TD, find the wrong report fire alarm, before can arriving at the delay time of time-delay relay KA5 and time-delay relay KA6, the operator at fire-fighting center presses split key TC, relay K A7 discharges, and executive component DT no longer moves.Personnel in the guard plot find to report by mistake fire alarm, before also can arriving at the delay time of time-delay relay KA5 and time-delay relay KA6, press emergency stop push button TA, relay K A1 and relay K A2 adhesive, the luminous demonstration emergency stop push button of light emitting diode D1 TA presses simultaneously.Normally-closed contact KA1-1, the KA1-2 of relay K A1 and normally-closed contact KA2-1, the KA2-2 of relay K A2 open, and relay K A7 discharges, and executive component DT no longer moves.
Claims (15)
1. Fire extinguisher comprises start button TB, relay K A3, relay K A7, time-delay relay KA5, executive component DT and sound alarm circuit; It is characterized in that, the two ends of start button TB are in parallel with the normally opened contact KA7-1 of relay K A7, the two ends of this parallel circuit are respectively c end and d end, the c end is connected with a utmost point of dc source, the d end is connected with an end of the coil of relay K A7, and the other end of the coil of relay K A7 is connected with the b utmost point of dc source; One end of the coil of time-delay relay KA5 is connected with the d end, and the other end of the coil of time-delay relay KA5 is connected with the b utmost point of dc source; The normally opened contact KA5-1 of time-delay relay KA5 connects with the coil of relay K A3, and the two ends of this series circuit are respectively e end and f end, and the e end is connected with a utmost point of dc source, and the f end is connected with the b utmost point of dc source; The normally opened contact KA7-2 of normally opened contact KA3-1, the relay K A7 of relay K A3 and executive component DT series connection, an end of this series circuit is connected with a utmost point of dc source, and the other end of this series circuit is connected with the b utmost point of dc source; Sound alarm circuit one end is connected with the d end, and the other end is connected with the b utmost point of dc source.
2. controller according to claim 1 is characterized in that sound alarm circuit comprises buzzer FM, and the end of buzzer FM is connected with the d end, and the other end is connected with the b utmost point of dc source.
3. controller according to claim 1 is characterized in that, also comprises optical alarm circuit, and its end is connected with the d end, and the other end is connected with the b utmost point of dc source.
4. controller according to claim 3 is characterized in that, optical alarm circuit comprises resistance R 3 and light emitting diode D3, and resistance R 3 is connected with light emitting diode D3, and an end of this series circuit is connected with the d end, and the other end is connected with the b utmost point of dc source.
5. controller according to claim 1 is characterized in that, also comprises executive component DT action display circuit, and this display circuit is connected in parallel on the two ends of executive component DT.
6. controller according to claim 5 is characterized in that, executive component DT action display circuit comprises resistance R 6 and light emitting diode D8, and resistance R 6 is connected with light emitting diode D8, and the two ends of this series circuit are connected in parallel on the two ends of executive component DT.
7. controller according to claim 1 is characterized in that, comprises that also extinguishing chemical sprays display circuit, and its end is connected with the d end, and the other end is connected with the b utmost point of dc source.
8. controller according to claim 7, it is characterized in that, extinguishing chemical sprays display circuit and comprises pressure switch K, resistance R 5 and light emitting diode D6, pressure switch K, resistance R 5 and light emitting diode D6 series connection, one end of this series circuit is connected with the d end, and the other end is connected with the b utmost point of dc source.
9. according to claim 1,2,3,4,5,6 or 7 described controllers, it is characterized in that, also comprise split key TC, an end g of the normally-closed contact of split key TC is connected with a utmost point of dc source, and the other end is connected with the c end.
10. controller according to claim 9 is characterized in that, also comprises the cut-out display circuit, and its two ends are respectively h end and I end, and the h end is connected with a utmost point of dc source, and the I end is connected with the b utmost point of dc source.
11. controller according to claim 10, it is characterized in that, cut off normally opened contact, resistance R 2 and light emitting diode D2 that display circuit comprises split key TC, the normally opened contact of split key TC, resistance R 2 and light emitting diode D2 series connection, the h end of this series circuit is connected with a utmost point of dc source, and the I end is connected with the b utmost point of dc source.
12. controller according to claim 9, it is characterized in that, also comprise emergency stop push button TA and relay K A1, the coil series connection of emergency stop push button TA and relay K A1, one end of this series circuit is connected with a utmost point of dc source, and the other end is connected with the b utmost point of dc source; The end of normally-closed contact KA1-1 is connected with a utmost point of dc source, and the other end of normally-closed contact KA1-1 is connected with the g end with the e end.
13. controller according to claim 12 is characterized in that, also comprises promptly stopping display circuit, it is made up of resistance R 1 and light emitting diode D1; Resistance R 1 and light emitting diode D1 series connection, the two ends of this series circuit are connected in parallel on the two ends of the coil of relay K A1.
14. controller according to claim 12 is characterized in that, also comprises emergency start button TD, its end is connected with a utmost point of dc source, and the other end is connected with the d end.
15. controller according to claim 14 is characterized in that, also comprises relay K A2, relay K A4, time-delay relay KA6; The coils from parallel connection of coils of relay K A2 is at the coil two ends of relay K A1, and the coils from parallel connection of coils of relay K A4 is at the coil two ends of relay K A3, and the coils from parallel connection of coils of time-delay relay KA6 is at the coil two ends of time-delay relay KA5; The normally-closed contact KA2-1 of relay K A2 connects with the normally-closed contact KA1-1 of relay K A1, the normally-closed contact KA2-2 of relay K A2 connects with the normally-closed contact KA1-2 of relay K A1, the two ends parallel connection of these two series circuits, one end of this parallel circuit is connected with a utmost point of dc source, and the other end is connected with the g end with the e end; The two ends of the normally opened contact KA6-1 of time-delay relay KA6 are connected in parallel on the two ends of the normally opened contact KA5-1 of time-delay relay KA5; The two ends of the normally opened contact KA4-1 of relay K A4 are connected in parallel on the two ends of the normally opened contact KA3-1 of relay K A3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00264162 CN2455282Y (en) | 2000-11-30 | 2000-11-30 | Fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00264162 CN2455282Y (en) | 2000-11-30 | 2000-11-30 | Fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2455282Y true CN2455282Y (en) | 2001-10-24 |
Family
ID=33618945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00264162 Expired - Lifetime CN2455282Y (en) | 2000-11-30 | 2000-11-30 | Fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2455282Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105148439A (en) * | 2015-10-09 | 2015-12-16 | 浙江宇安消防装备有限公司 | Dry powder extinguishing system with emergency shutdown function |
-
2000
- 2000-11-30 CN CN 00264162 patent/CN2455282Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105148439A (en) * | 2015-10-09 | 2015-12-16 | 浙江宇安消防装备有限公司 | Dry powder extinguishing system with emergency shutdown function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QINGDAO LOUSHAN FIRE-FIGHTING ENGINEERING CO., LTD Free format text: FORMER NAME OR ADDRESS: LIU XINZHUAN |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Qingdao floor hill fire protection engineering company Patentee before: Liu Xinchuan |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20101130 Granted publication date: 20011024 |