CN202398011U - Variable-frequency high-pressure automatic fire extinguisher for water mist - Google Patents
Variable-frequency high-pressure automatic fire extinguisher for water mist Download PDFInfo
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- CN202398011U CN202398011U CN2011203197386U CN201120319738U CN202398011U CN 202398011 U CN202398011 U CN 202398011U CN 2011203197386 U CN2011203197386 U CN 2011203197386U CN 201120319738 U CN201120319738 U CN 201120319738U CN 202398011 U CN202398011 U CN 202398011U
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Abstract
The utility model relates to a variable-frequency high-pressure automatic fire extinguisher for water mist. The variable-frequency high-pressure automatic fire extinguisher for water mist comprises a control unit, a water supply unit, a fire alarm detecting unit and a water mist spraying unit, wherein the water supply unit comprises a high-pressure pump set and a motor for driving the high-pressure pump set to work and the like; and the control unit comprises a control system and a frequency converter connected with the motor. With adoption of the variable-frequency high-pressure automatic fire extinguisher for water mist, the operating power or rotation speed of the motor can be changed through controlling the output frequency of the frequency converter so as to control water pumping power of the high-pressure pump set; when no fire alarm exists, the high-pressure pump set can operate at low power and play a role as a pressure stabilizing pump in the normal water mist fire extinguishing system; and when fire alarm exists, the power can be quickly improved by the high-pressure pump set to produce high-pressure water so as to extinguish fire. With adoption of the variable-frequency high-pressure automatic fire extinguisher for water mist two functions of one pump is realized, so that the device cost is saved, the occupation space is reduced, the damage caused by that the pump stops or starts suddenly is avoided, and the stability and reliability of the whole fire extinguisher is improved.
Description
Technical field
the utility model belongs to fire plant, is specifically related to a kind of frequency conversion heavy pressure fine spray automatic fire extinguisher.
Background technology
fine water mist fire-extinguishing system has advantages such as environmental protection, safety, extinguishing ability are strong, few, the water stain pollution of fire extinguishing water consumption is little and applied widely, is a kind of environmental protection, fire-fighting technique efficiently, in fire-fighting domain, is widely used.Thin water smoke technology is through special shower nozzle will the flow through water that certain pressure is arranged of shower nozzle or the thin water smoke that aerodynamic atomization becomes to have superfine water droplet, and with cooling, suffocate and hinder thermal-radiating principle and put out a fire.Thin water smoke has excellent electric insulating, and environmentally safe can reduce flue gas content and toxicity in the fire, purifies the scene of fire.The fine water mist fire-extinguishing system that uses at present has two-fluid (gas, water) fine water mist fire-extinguishing system and high, medium and low voltage single fluid fine water mist fire-extinguishing system etc.; Wherein, High pressure single fluid fine water mist fire-extinguishing system is littler with the fogdrop diameter that other fire extinguishing systems are compared generation, and fire extinguishing is fast, and water consumption is few; Minimum is polluted in the scene of a fire, be particularly suitable for putting out oil sump fire and electrical fire.Different according to the mode that produces water under high pressure, high-pressure fine water mist fire-extinguishing system is divided into pump group formula and bottle group type.Bottle group type is to promote water under high pressure entering shower nozzle with the gases at high pressure that store in the gas cylinder air bag to produce thin water smoke, and it need not power drives, but the fire extinguishing limited duration; Pump group formula be with high-pressure plunger pump with in the pure water ramming system pipe network, the fire extinguishing duration unrestricted, need motor-driven.
The pump group formula high-pressure fine spray extinguisher of
prior art all comprises two groups of pumps of high-pressure pump that stabilized pressure pump that low-power machine drives and heavy-duty motor drive usually, and stabilized pressure pump is worked during no fire alarm, in the maintenance pipeline certain hydraulic pressure is arranged; When fire alarm was arranged, stabilized pressure pump quit work, and high-pressure pump starts, and makes the water in the pipeline reach high pressure, and ejection is put out a fire through fine mist spray head.This high-pressure fine spray extinguisher is owing to be provided with two groups of pumps, and it is big not only to take up an area of the space, has also increased equipment cost; Simultaneously, stop and starting stabilized pressure pump or high-pressure pump suddenly under emergency rating, be easy to damage motor, the possibility of the high more this damage of hydraulic pressure is just big more, damages also seriously more, so has also reduced the stability and the reliability of fine water mist fire-extinguishing system.
Summary of the invention
the utility model technical problem to be solved is the deficiency that overcomes prior art, and a kind of improved heavy pressure fine spray automatic fire extinguisher is provided.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of frequency conversion heavy pressure fine spray automatic fire extinguisher, it comprises:
Control module, said control module comprises the control system;
The water supply unit; Said water supply unit is controlled by said control module, comprises storage tank, is installed in the liquid level gauge in the storage tank, motor, many supply channels of the high-pressure pump group that links to each other with said storage tank, the work of the said high-pressure pump group of driving and be installed in Pressure gauge and the valve on the said supply channel;
Fire detection unit, said fire detection unit are used to survey the condition of a fire and in time condition of a fire information are sent to the control system;
Thin water smoke sprayer unit, said thin water smoke sprayer unit is arranged on by in the guard space, comprises a plurality of fine mist spray heads that link to each other with the water supply unit;
according to the utility model, and said control module comprises that also one links to each other with motor and can regulate and control the watt level of machine operation or the frequency converter of rotating speed, and the output frequency of said frequency converter is controlled by the control system.
preferably, said fire detection unit comprises a plurality of heat detectors and/or the smoke detector that is arranged on by in the guard space.
preferably; Said water supply unit comprises at least one the pressurizer pressure table and at least one high-pressure manometer on the supply channel that is arranged on high-pressure pump group downstream; Said pressurizer pressure table links to each other with the control system respectively with high-pressure manometer, is used for to the control system hydraulic pressure information being provided.
further; The supply channel in said high-pressure pump group downstream splits into two water supply branch roads; The pressurizer pressure table promptly is arranged on the water supply branch road wherein; And should the water supply branch road be provided with the protective valve that when pressure increases to setting value, can close automatically being positioned at said pressurizer pressure table upstream end, this water supply branch road is provided with check valve being positioned at said pressurizer pressure table downstream part.
According to the utility model, said water supply unit also comprises an overflow passage of drawing from high-pressure pump group delivery port
, and the another port of said overflow passage is connected with storage tank and is positioned at the top of storage tank; Said overflow passage is provided with safety overflow valve, and it can be opened automatically to supply water when pressure increases to certain value and pass through, to carry out the earial drainage decompression.
in addition; Said water supply unit also comprises filter and the check valve that is arranged between said high-pressure pump group water inlet and the said storage tank, and is arranged on the water inlet of said storage tank and the water compensating valve of being opened or being closed by the control of control system.
Owing to take above technical scheme, the utility model compared with prior art has following advantage:
the utility model has been owing to set up the frequency converter that links to each other with the control system, and the output frequency through the control frequency converter to be changing the operating power or the rotating speed of motor, and then controls the pump water-horse power of high-pressure pump group; Make that the high-pressure pump group can turn round with low-power, plays the effect of the stabilized pressure pump in the common fine water mist fire-extinguishing system when no fire alarm; When fire alarm; The high-pressure pump group can improve power rapidly, produces water under high pressure, to carry out fire-fighting work; The utility model has realized that a pump is dual-purpose; Both saved equipment cost; Reduced the occupation of land space again, can also avoid simultaneously in the common fine water mist fire-extinguishing system pump to stop suddenly or start the infringement that brings, made the stability of the utility model extinguishing device and reliability also obtain further raising.
Description of drawings
Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further detailed explanation:
Fig. 1 is the structural representation of the utility model frequency conversion heavy pressure fine spray automatic fire extinguisher;
wherein: 1, water compensating valve; 2, liquid level gauge; 3, storage tank; 4, filter; 5, check valve; 6, high-pressure pump group; 7, motor; 8, safety overflow valve; 9, protective valve; 10, pressurizer pressure table; 11, high-pressure manometer; 12, control module; 13, frequency converter; 14, control system; 15, subregion selector valve; 16, fine mist spray head; 17, smoke detector; 18, heat detector.
The specific embodiment
are done further detailed explanation below in conjunction with concrete embodiment to the utility model, but are not limited to these embodiment.
Embodiment 1
Referring to Fig. 1, according to the frequency conversion heavy pressure fine spray automatic fire extinguisher of present embodiment, it comprises:
The water supply unit; Said water supply unit is by control module 12 control, and said water supply unit comprises storage tank 3, is installed in the liquid level gauge 2 in the storage tank 3, the high-pressure pump group 6 that links to each other with storage tank 3, drive motor 7, many supply channels that high-pressure pump groups 6 work and be installed in Pressure gauge and the valve on the supply channel; In the present embodiment, the high-pressure pump group can provide 3.5MPa above hydraulic pressure, the highest hydraulic pressure even can reach 10MPa; What motor 7 used is threephase asynchronous; Except that the high-pressure pump group, the water supply unit further is provided with stand-by pump (being generally), and selected stand-by pump should be identical with the working barrel of maximum parameter in the high-pressure pump group, if the on-stream fault that runs into of working barrel is arranged, can in time start stand-by pump to guarantee normal water supply;
The fire detection unit; Said fire detection unit links to each other with the fire alarm controller of control system 14; The fire detection unit comprises being arranged on by a plurality of heat detectors in the guard space 18 and smoke detector 17 and (certainly other fire detectors can also be set; Infrared Detectors etc. for example); They can be to by the temperature in the guard space or the smog degree is surveyed and give control system 14 with signal feedback, and control system 14 signal in view of the above judges whether to start high-pressure pump group 6 automatically and puts out a fire;
Thin water smoke sprayer unit, said thin water smoke sprayer unit is arranged on by in the guard space, comprises a plurality of fine mist spray heads 16 that link to each other with the water supply unit; By guard space possibly is a plurality of different rooms or floor etc., therefore can be through subregion selector valve 15 being set to being selected and subregion by guard space;
The control module 12 of
present embodiment also comprises the frequency converter 13 that one one end links to each other with motor 7, the other end links to each other with the Programmable Logic Controller of control system 14; The output frequency of frequency converter 13 is by 14 controls of control system; Through the output frequency that continuously changes frequency converter 13 operating power of motor 7 or rotating speed are continuously changed, and then can control the hydraulic pressure size that high-pressure pump group 6 provides to supply channel.
In
present embodiment, the water supply unit also comprises pressurizer pressure table 10 and the high-pressure manometer 11 that links to each other with control system 14, and these two Pressure gauges can provide hydraulic pressure information to control system 14.
In
present embodiment; The supply channel in high-pressure pump group 6 downstream splits into two water supply branch roads; Pressurizer pressure table 10 is arranged on (this branch road can be described as " pressurizer pressure table protection branch road ") on the water supply branch road wherein; This water supply branch road is provided with the protective valve 9 that when pressure increases to setting value, can close automatically being positioned at pressurizer pressure table 10 upstream end, and this water supply branch road is provided with check valve 5 being positioned at pressurizer pressure table 10 downstream part; Because the hydraulic pressure that pressurizer pressure table 10 can bear is lower; When high-pressure pump group 6 provides water under high pressure in supply channel; Protective valve 9 is closed when pressure reaches setting value automatically; And check valve 5 can only supply water from the direction of pressurizer pressure table 10 and outwards flows out, and therefore the hydraulic pressure in " pressurizer pressure table protection branch road " can not continue to increase, and then can prevent that water under high pressure from washing out pressurizer pressure table 10; High-pressure manometer 11 then need not be provided with " protection branch road ", and it can bear high hydraulic pressure, and provides high hydraulic pressure with the main effect of the time performance of carrying out fire-fighting work in high-pressure pump group 6.
In
present embodiment, said water supply unit also comprises an overflow passage of drawing from high-pressure pump group 6 delivery ports, and a port of this overflow passage is connected with storage tank 3 and is positioned at the top of storage tank 3; This overflow passage is provided with safety overflow valve 8, and it can be opened automatically to supply water when pressure increases to certain value and pass through, to carry out the earial drainage decompression.The setting of overflow passage is too high for preventing hydraulic pressure, and the limit of bearing of consequently breaking through water pipe makes fortuitous events such as water pipe explosion, and therefore safety overflow valve 8 is all closed generally speaking.
in addition; The water supply unit of present embodiment also comprises water inlet and the filter between the storage tank 34 and check valve 5 that is arranged on high-pressure pump group 6; And the water compensating valve 1 that is arranged on the water inlet of storage tank 3; Water compensating valve 1 links to each other with control system 14, and the unlatching of the information Control water compensating valve 1 that control system 14 can provide according to liquid level gauge 2 or close is to guarantee in the storage tank 3 sufficient water being provided.
The course of work of present embodiment frequency conversion heavy pressure fine spray automatic fire extinguisher is following:
When heat detector 18 and/or smoke detector 17 detect by the temperature of guard interval and smog degree in normal range (NR); When promptly not having the condition of a fire; Whole heavy pressure fine spray automatic fire extinguisher is in the voltage regulation operation state, and pressurizer pressure table 10 sends the pressure information in the supply channel to control system 14, when being lower than the voltage stabilizing minimum that is provided with in advance as if the pressure in the supply channel; Control system 14 control motors 7 drive high-pressure pump group 6 and start (this moment, power was less); Hydraulic pressure in the supply channel is risen, and when being higher than the voltage stabilizing maximum that is provided with in advance as if the pressure in the supply channel, control system 14 control high-pressure pump groups 6 are out of service;
are detected by the temperature of guard interval and smog degree overrun when heat detector 18 and/or smoke detector 17; When promptly detecting the condition of a fire; Control system 14 makes high-pressure pump group 6 that higher hydraulic pressure is provided, meanwhile through the operating power and the rotating speed of the output frequency raising motor 7 of control frequency converter 13; Control corresponding subregion selector valve 15 and open, the thin water smoke of fine mist spray head 16 ejections is put out a fire; At this moment, protective valve 9 is closed when reaching certain pressure automatically, protection pressurizer pressure table 10, and the hydraulic pressure in the pressurizer pressure table protection branch road can not raise.
in addition, liquid level gauge 2 is provided with three alarm water levels, is respectively high water level, low water level and limit low water level from high to low according to water level.If the water level in the storage tank 3 surpasses high water level, water compensating valve 1 is closed in 14 controls of control system, stops moisturizing; If the water level in the storage tank 3 is lower than low water level, water compensating valve 1 is opened in 14 controls of control system, the beginning moisturizing; If owing to high-pressure pump group 6 reason such as too fast of drawing water causes the water level in the storage tank 3 to be lower than limit low water level, 14 control motor 7 hard stops of control system are with protection high-pressure pump group 6.
are above has done detailed description to the utility model; Its purpose is to let the personage that is familiar with this art can understand the content of the utility model and implements; Can not limit the protection domain of the utility model with this; All equivalences of doing according to the spirit of the utility model change or modify, and all should be encompassed in the protection domain of the utility model.
Claims (7)
1. frequency conversion heavy pressure fine spray automatic fire extinguisher, it comprises:
Control module (12), said control module (12) comprises control system (14);
The water supply unit; Said water supply unit is by said control module (12) control, motor (7), many supply channels that said water supply unit comprises storage tank (3), is installed in the liquid level gauge (2) in the storage tank (3), the high-pressure pump group (6) that links to each other with said storage tank (3), the said high-pressure pump group of driving (6) are worked and be installed in Pressure gauge and the valve on the said supply channel;
Fire detection unit, said fire detection unit are used to survey the condition of a fire and in time condition of a fire information are sent to control system (14);
Thin water smoke sprayer unit, said thin water smoke sprayer unit is arranged on by in the guard space, comprises the fine mist spray head (16) that a plurality of and said water supply unit links to each other;
It is characterized in that:
Said control module (12) also comprises link to each other with said motor (7) and can the regulate and control watt level of said motor (7) work or the frequency converter (13) of rotating speed, and the output frequency of said frequency converter (13) is controlled by said control system (14).
2. frequency conversion heavy pressure fine spray automatic fire extinguisher according to claim 1 is characterized in that: said fire detection unit comprises and being arranged on by a plurality of heat detectors (18) in the guard space and/or smoke detector (17).
3. frequency conversion heavy pressure fine spray automatic fire extinguisher according to claim 1; It is characterized in that: said water supply unit comprises at least one pressurizer pressure table (10) and at least one high-pressure manometer (11) on the supply channel that is arranged on high-pressure pump group (6) downstream; Said pressurizer pressure table (10) links to each other with said control system (14) respectively with said high-pressure manometer (11), is used for to said control system (14) hydraulic pressure information being provided.
4. frequency conversion heavy pressure fine spray automatic fire extinguisher according to claim 3; It is characterized in that: the supply channel in said high-pressure pump group (6) downstream splits into two water supply branch roads; Said pressurizer pressure table (10) is arranged on the water supply branch road wherein; And should the water supply branch road be provided with the protective valve (9) that when pressure increases to setting value, can close automatically being positioned at said pressurizer pressure table (10) upstream end, this water supply branch road is provided with check valve (5) being positioned at said pressurizer pressure table (10) downstream part.
5. frequency conversion heavy pressure fine spray automatic fire extinguisher according to claim 1; It is characterized in that: said water supply unit also comprises an overflow passage of drawing from said high-pressure pump group (6) delivery port, and the another port of said overflow passage is connected with said storage tank (3) and is positioned at the top of said storage tank (3); Said overflow passage is provided with safety overflow valve (8), and it can be opened automatically to supply water when pressure increases to certain value and pass through.
6. frequency conversion heavy pressure fine spray automatic fire extinguisher according to claim 1 is characterized in that: said water supply unit also comprises filter (4) and the check valve (5) that is arranged between said high-pressure pump group (6) water inlet and the said storage tank (3).
7. frequency conversion heavy pressure fine spray automatic fire extinguisher according to claim 1 is characterized in that: said water supply unit also comprises water inlet that is arranged on said storage tank (3) and the water compensating valve (1) of being opened or being closed by said control system (14) control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203197386U CN202398011U (en) | 2011-08-30 | 2011-08-30 | Variable-frequency high-pressure automatic fire extinguisher for water mist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203197386U CN202398011U (en) | 2011-08-30 | 2011-08-30 | Variable-frequency high-pressure automatic fire extinguisher for water mist |
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| Publication Number | Publication Date |
|---|---|
| CN202398011U true CN202398011U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203197386U Expired - Lifetime CN202398011U (en) | 2011-08-30 | 2011-08-30 | Variable-frequency high-pressure automatic fire extinguisher for water mist |
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| CN (1) | CN202398011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423527A (en) * | 2011-08-30 | 2012-04-25 | 苏州辰泰鸿业安全技术有限公司 | Variable frequency high pressure water mist automatic fire extinguisher |
| CN104524724A (en) * | 2014-12-25 | 2015-04-22 | 李春龙 | Ultrasonic device with enhanced atomizing, spraying, fire-extinguishing and smoke-reducing functions on basis of electric-high-frequency vibration conversion |
-
2011
- 2011-08-30 CN CN2011203197386U patent/CN202398011U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423527A (en) * | 2011-08-30 | 2012-04-25 | 苏州辰泰鸿业安全技术有限公司 | Variable frequency high pressure water mist automatic fire extinguisher |
| CN104524724A (en) * | 2014-12-25 | 2015-04-22 | 李春龙 | Ultrasonic device with enhanced atomizing, spraying, fire-extinguishing and smoke-reducing functions on basis of electric-high-frequency vibration conversion |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |
|
| CX01 | Expiry of patent term |