CN214679797U - Protection system of gas monitoring between fire control steel bottle - Google Patents
Protection system of gas monitoring between fire control steel bottle Download PDFInfo
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- CN214679797U CN214679797U CN202120552399.XU CN202120552399U CN214679797U CN 214679797 U CN214679797 U CN 214679797U CN 202120552399 U CN202120552399 U CN 202120552399U CN 214679797 U CN214679797 U CN 214679797U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The application relates to a protection system for monitoring gas between fire-fighting steel cylinders, which relates to the field of fire safety and comprises a pressure sensor P, a pressure sensor and a pressure sensor, wherein the pressure sensor P is arranged on a steel cylinder and is used for detecting the gas pressure in the steel cylinder and outputting a current pressure signal; the control unit is connected with the pressure sensor P, and outputs an alarm signal if the current pressure signal is smaller than a preset reference pressure signal; the prompting unit is arranged on the steel cylinder, is connected to the control unit, responds to the alarm signal and warns; and the exhaust fan is connected with the control unit, responds to the alarm signal and starts. This application has the effect of security between the improvement steel bottle.
Description
Technical Field
The application relates to the field of fire safety, in particular to a protection system for monitoring gas between fire-fighting steel cylinders.
Background
The pipe network heptafluoropropane fire extinguishing system is mainly suitable for fire protection of large-scale electronic computer rooms, data processing centers, telecommunication facilities, process control centers, expensive medical facilities, expensive industrial equipment, museums and art museums, libraries, archives, valuable goods libraries, emergency electric facilities and other key places; pipe network heptafluoropropane fire extinguishing system passes through the pipe network connection, when the conflagration takes place, will put out a fire the agent by between the steel bottle, carry the protection zone that needs put out a fire in, spout through the shower nozzle and put out a fire, and the steel bottle is fixed to be placed in between special steel bottle, does not occupy the protection zone space.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the condition of leakage may appear in the heptafluoropropane in the steel bottle, if the gas in the steel bottle leaks and emergency measures are not taken in time, great potential safety hazard can be caused to the factory building that computer lab belongs to.
SUMMERY OF THE UTILITY MODEL
In order to improve the security between the steel bottle, this application provides a protection system of gas monitoring between fire control steel bottle.
The application provides a protection system of gas monitoring between fire control steel bottle adopts following technical scheme:
a protection system for gas monitoring between fire cylinders, comprising:
the pressure sensor P is arranged on the steel cylinder and used for detecting the gas pressure in the steel cylinder and outputting a current pressure signal;
the control unit is connected with the pressure sensor P, and outputs an alarm signal if the current pressure signal is smaller than a preset reference pressure signal;
the prompting unit is arranged on the steel cylinder, is connected to the control unit, responds to the alarm signal and warns; and the number of the first and second groups,
and the exhaust fan is connected with the control unit, responds to the alarm signal and starts.
By adopting the technical scheme, when the steel cylinders between the steel cylinders leak, the internal pressure is reduced, the current pressure signal is smaller than the preset reference pressure signal, the control unit outputs an alarm signal, and the prompt unit on the steel cylinders prompts that a maintainer can accurately find the leaked steel cylinders after arriving between the steel cylinders; meanwhile, the exhaust fan is started to exhaust leaked gas, so that potential safety hazards in the steel cylinder room are reduced.
Optionally, the air inlet side of the exhaust fan is connected with a first branch pipe, and the air inlet of the first branch pipe is opposite to the steel cylinder.
Through adopting above-mentioned technical scheme, first branch pipe is relative with the steel bottle, is convenient for arrange the gas of revealing around the steel bottle and send, reaches the effect of accurate emission gaseous pollutants.
Optionally, the protection system further includes a gas concentration detection unit T and a classification comparison unit, which are disposed in the steel cylinder room and used for detecting the gas concentration in the steel cylinder room and outputting a current concentration signal;
the grading comparison unit is connected with the gas concentration detection unit T, the input end of the grading comparison unit is connected with a preset reference concentration signal, if the current concentration signal is smaller than the preset reference concentration signal, a first control signal is output, and if the current concentration signal is larger than the preset reference concentration signal, a second control signal is output;
the exhaust fan is connected with the grading comparison unit, responds to a first control signal and works at a first preset frequency, and responds to a second control signal and works at a second preset frequency, wherein the first preset frequency is smaller than the second preset frequency.
By adopting the technical scheme, if the concentration of the gas in the steel cylinder room falls between the first reference signal and the second reference signal when the exhaust fan works corresponding to the alarm signal, the exhaust fan works at the first preset frequency to exhaust the polluted gas in the steel cylinder room; if the concentration in the steel cylinder is greater than the second reference signal, the exhaust fan works at a second preset frequency, so that the working frequency is increased, and the effect of quickly exhausting the gas in the steel cylinder is achieved.
Optionally, the protection system further comprises a remote alarm unit, the remote alarm unit comprising:
the wireless transmission module is connected with the control unit and used for receiving and forwarding the alarm signal and/or the second control signal;
the processor is connected with the wireless transmission module and used for receiving and transmitting the alarm signal and/or the second control signal;
the remote terminal and the processor are used for displaying the alarm signal and/or the second control signal.
Through adopting above-mentioned technical scheme, send alarm signal and/or second control signal through wireless transmission mode, the staff of being convenient for can know the gas leakage condition between the steel bottle in the room department of attending a duty, and then carries out further maintenance operation.
Optionally, a display is arranged outside the steel cylinders and connected to the control unit, and the display is used for displaying preset display information corresponding to the alarm signal and/or the second control signal.
By adopting the technical scheme, the display is convenient for field personnel outside the steel cylinders to visually watch the preset display information corresponding to the alarm signal and/or the second control signal, so that non-overhaul personnel are prevented from entering the steel cylinders by mistake.
Optionally, a buzzer is further arranged outside the steel cylinders and connected to the control unit, and the buzzer responds to the alarm signal and/or the second control signal and plays preset voice prompt information.
Through adopting above-mentioned technical scheme, the voice prompt information that predetermines of bee calling organ broadcast plays further guide, sparse effect to non-maintainer mistake income steel bottle when gas leakage is between.
Optionally, the air inlet side of the exhaust fan is connected with a second branch pipe, and the air inlet of the second branch pipe faces the side, located indoors, of the steel cylinder room door body.
Through adopting above-mentioned technical scheme, when the maintainer got into to open a body between the steel bottle, the second branch pipe played the effect of discharging to being close to the inboard gaseous pollutants of a body for the gaseous pollutants in the steel bottle is difficult for spilling over between the steel bottle and causes the influence to external environment.
Optionally, the protection system further comprises an access lock, and the access lock is arranged on the door body between the steel cylinders.
By adopting the technical scheme, the access control lock is convenient to open/close, and people in the steel cylinders can escape in time when gas leakage occurs.
Drawings
FIG. 1 is a circuit schematic of an embodiment of the present application;
FIG. 2 is a schematic view showing the relationship between the positions of the cylinders and the position of the exhaust fan in the cylinder room.
Description of reference numerals: 1. a control unit; 2. a presentation unit; 3. an exhaust fan; 31. a first branch pipe; 32. a second branch pipe; 4. a hierarchical comparison unit; 5. a remote alarm unit; 6. a door body; 61. a display; 62. a buzzer.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses protection system of gas monitoring between fire control steel bottle. Referring to fig. 1, the gas pressure detection device comprises a pressure sensor P, a control unit 1, a prompt unit 2, an exhaust fan 3, a gas concentration detection unit T and a classification comparison unit 4, wherein the pressure sensor P, the control unit 1 and the prompt unit 2 are respectively provided with a plurality of groups, each group corresponds to each steel cylinder 01, and taking one group as an example, the pressure sensor P is arranged on the steel cylinder 01 and is used for detecting the gas pressure in the steel cylinder 01 and outputting a current pressure signal; the control unit 1 is connected to the pressure sensor P, and if the current pressure signal is smaller than a preset reference pressure signal, the control unit 1 outputs an alarm signal; and the prompt unit 2 is arranged on the steel cylinder 01, is connected to the control unit 1, responds to the alarm signal and warns. Referring to fig. 2 again, the exhaust fan 3 is arranged between the steel cylinders, the exhaust fan 3 is connected to each control unit 1 and used for receiving the alarm signal of each control unit 1, and the exhaust fan 3 responds to any alarm signal and is started; the gas concentration detection unit T is arranged in the steel cylinder room and used for detecting the gas concentration in the steel cylinder room and outputting a current concentration signal, the grading comparison unit 4 compares the current concentration signal with a preset reference concentration signal and outputs a corresponding control signal, and the control signal is sent to the exhaust fan 3 and used for controlling the exhaust fan 3 to work at different frequencies.
The working principle of the protection system is as follows: when the leakage appears in the steel bottle 01 between the steel bottles, the current pressure signal that this steel bottle 01 corresponds is less than and predetermines the benchmark pressure signal, the alarm signal is exported to the control unit 1, the suggestion of 2 suggestion of the steel bottle 01 that should reveal, help drives to the steel bottle 01 that the maintenance personal in scene in time fixes a position and reveals, exhaust fan 3 discharges the polluted gas who reveals, with the potential safety hazard that reduces the polluted gas diffusion and cause, and adjust exhaust fan 3's operating frequency according to the concentration of revealing gas, can reach frequency conversion control, energy-saving control's effect.
Referring to fig. 1, the control unit 1 comprises a first comparator OA1, the device comprises a first triode Q1 and a first electromagnetic relay KM1, wherein a power supply VCC is connected to a first comparator OA1, a non-inverting input end of the first comparator OA1 is connected with a pressure signal source A1 which outputs a preset reference pressure signal, an output end of a pressure sensor P is connected with an inverting input end of the first comparator OA1, a first triode Q1 is an NPN type triode, a base of the first triode Q1 is connected with an output end of the first comparator OA1, a collector of the first triode Q1 is connected with the power supply VCC, an emitter of the first triode Q1 is connected with a coil of the first electromagnetic relay KM1, a prompting unit 2 is a light emitting diode D1, a light emitting diode D1 is connected to the other end of the coil of the first electromagnetic relay KM1, a light emitting diode D1 is grounded, and a normally open contact of the first electromagnetic relay KM1 is connected between the power supply AC and a motor of the exhaust fan 3. If the current pressure signal is smaller than the preset reference pressure signal, the first comparator OA1 outputs a high level signal, the high level signal is an alarm signal, the first triode Q1 is switched on, the coil of the first electromagnetic relay KM1 is switched on, the normally open contact of the first electromagnetic relay KM1 is closed, and the exhaust fan 3 starts to work.
Referring to the figure, the hierarchical comparing unit 4 includes a second comparator OA2, a second triode Q2 and a second electromagnetic relay KM2, the second comparator OA2 is connected to the power supply VCC, the inverting input terminal of the second comparator OA2 is connected to a concentration signal source a2 outputting a preset reference concentration signal, the output terminal of the gas concentration detecting unit T is connected to the non-inverting input terminal of the second comparator OA2, the second triode Q2 is an NPN type triode, the base of the second triode Q2 is connected to the output terminal of the second comparator OA2, the collector of the second triode Q2 is connected to the power supply VCC, the emitter of the second triode Q2 is connected to the coil of the second electromagnetic relay KM2, and the other end of the coil of the second electromagnetic relay KM2 is grounded; the exhaust fan 3 is correspondingly provided with a first signal source S1 and a second signal source S2, the first signal source S1 outputs a first control signal, the second signal source S2 outputs a second control signal, a normally open contact of the second electromagnetic relay KM2 is connected between the second signal source S2 and a signal receiving end of the exhaust fan 3, and a normally closed contact of the second electromagnetic relay KM2 is connected between the first signal source S1 and the signal receiving end of the exhaust fan 3. If the current gas concentration signal is lower than the preset reference concentration signal, the second comparator OA2 outputs a high level signal, the normally open contact of the second triode Q2 is closed, the normally closed contact of the second triode Q2 is opened, and the second signal source S2 outputs a second control signal; if the current gas concentration signal is higher than the preset reference concentration signal, the second comparator OA2 outputs a low level signal, the normally closed contact of the second triode Q2 is closed, the normally open contact of the second triode Q2 is opened, and the second signal source S2 outputs a first control signal.
Referring to fig. 1, in order to enable a maintainer to receive an alarm signal and/or a second control signal in time, the embodiment of the application is further provided with a wireless transmission module, a processor and a remote terminal, wherein the wireless transmission module is connected to a collector of a first triode Q1 and a collector of a second triode Q2 and is used for receiving and forwarding the alarm signal and/or the second control signal, the wireless transmission module detects a current signal and then transmits the current signal to the processor, and the processor gives an alarm through the remote terminal. The alarm signal and/or the second control signal are/is sent in a wireless transmission mode, so that the gas leakage condition in the steel cylinders can be known conveniently by workers at a duty room,
in order to prevent the gas overflowing from the leaked steel cylinders from spreading to the whole steel cylinder, referring to fig. 2, in the embodiment of the present application, a first branch pipe 31 is connected to the air inlet side of the exhaust fan 3, and the air inlet of the first branch pipe 31 is opposite to the steel cylinder 01. The first branch pipe 31 is opposite to the steel cylinder 01, and can discharge overflowed gas in time when the steel cylinder 01 leaks and the exhaust fan 3 works; when the maintenance personal got into and opens a body 6 between the steel bottle, the gas of interior flooding of steel bottle probably spills over outdoors, in order to reduce the interference that gas spills over, refer to, this application embodiment still is connected with second branch pipe 32 in exhaust fan 3's air inlet side, door body 6 is located indoor one side between the air intake of second branch pipe 32 orientation steel bottle, when opening the door, second branch pipe 32 plays the emission effect to being close to the inboard gaseous pollutant of a body 6, make the gaseous pollutant in the steel bottle be difficult for spilling over between the steel bottle cause the influence to external environment.
Because only professional maintainer can overhaul steel bottle 01, and other personnel can not get into at will, in order to reduce when steel bottle 01 reveals that other personnel mistake go into between the steel bottle, refer to fig. 2, this application embodiment is provided with display 61 and bee calling organ 62 in the outside between the steel bottle, display 61 and bee calling organ 62 all are connected in the control unit 1, display 61 is used for showing alarm signal and/or the preset display information that second control signal corresponds, bee calling organ 62 is responded to alarm signal and/or second control signal and is broadcast preset voice prompt information. Through the preset voice prompt information that shows that predetermines that the broadcast of display 61 shows that the voice prompt information that predetermines and bee calling organ 62 broadcast can play further guide, sparse effect to non-maintainer mistake income steel bottle when gas leakage between. Be provided with the entrance guard lock on the door body 6 between the steel bottle, the entrance guard lock is convenient for open/close on the door body 6 between the steel bottle is arranged in to the entrance guard lock, is convenient for when gas leakage appears, and the personnel in the steel bottle are in time escaped.
The implementation principle of the protection system for monitoring gas between fire-fighting steel cylinders in the embodiment of the application is as follows: when one steel cylinder 01 leaks, the current pressure signal of the pressure sensor P corresponding to the steel cylinder is lower than a preset reference pressure signal, the control unit 1 outputs an alarm signal, a coil of the first electromagnetic relay KM1 is electrified, a normally open contact of the first electromagnetic relay KM1 is closed, and the exhaust fan 3 starts to work; meanwhile, if the current gas concentration signal is lower than the preset concentration signal, the first signal source S1 transmits a first control signal to the exhaust fan 3 to operate, the exhaust fan 3 operates at a first preset frequency, and if the current gas concentration signal is higher than the preset concentration signal, the second signal source S2 transmits a second control signal to the exhaust fan 3, and the exhaust fan 3 operates at a second preset frequency.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a protection system of gas monitoring between fire control steel bottle which characterized in that includes:
the pressure sensor P is arranged on the steel cylinder (01) and used for detecting the gas pressure in the steel cylinder (01) and outputting a current pressure signal;
the control unit (1) is connected to the pressure sensor P, and if the current pressure signal is smaller than a preset reference pressure signal, the control unit (1) outputs an alarm signal;
the prompting unit (2) is arranged on the steel cylinder (01), is connected to the control unit (1), responds to the alarm signal and warns; and the number of the first and second groups,
and the exhaust fan (3) is connected with the control unit (1) and responds to the alarm signal and starts.
2. A fire cylinder room gas monitoring protection system according to claim 1, characterized in that a first branch pipe (31) is connected to the air inlet side of the exhaust fan (3), and the air inlet of the first branch pipe (31) is opposite to the cylinder (01).
3. The protection system for gas monitoring among fire-fighting steel cylinders according to claim 1, further comprising a gas concentration detection unit T and a classification comparison unit (4), wherein the gas concentration detection unit T is arranged in the steel cylinder room and used for detecting the gas concentration in the steel cylinder room and outputting a current concentration signal;
the grading comparison unit (4) is connected with the gas concentration detection unit T, the input end of the grading comparison unit (4) is connected with a preset reference concentration signal, if the current concentration signal is smaller than the preset reference concentration signal, a first control signal is output, and if the current concentration signal is larger than the preset reference concentration signal, a second control signal is output;
the exhaust fan (3) is connected with the grading comparison unit (4), responds to a first control signal and works at a first preset frequency, responds to a second control signal and works at a second preset frequency, and the first preset frequency is smaller than the second preset frequency.
4. A protection system for fire cylinder room gas monitoring according to claim 3, characterized in that the protection system further comprises a remote alarm unit (5), said remote alarm unit (5) comprising:
the wireless transmission module is connected with the control unit (1) and is used for receiving and forwarding the alarm signal and/or the second control signal;
the processor is connected with the wireless transmission module and used for receiving and transmitting the alarm signal and/or the second control signal;
the remote terminal and the processor are used for displaying the alarm signal and/or the second control signal.
5. A protection system for gas monitoring between fire-fighting steel cylinders according to claim 3, characterized in that a display (61) is arranged outside the steel cylinder room, the display (61) is connected to the control unit (1) and is used for displaying preset display information corresponding to the alarm signal and/or the second control signal.
6. A protection system for gas monitoring between fire-fighting steel cylinders as claimed in claim 3, characterized in that a buzzer (62) is also arranged outside the steel cylinder chamber, the buzzer (62) is connected to the control unit (1) and is responsive to the alarm signal and/or the second control signal and plays a preset voice prompt message.
7. A protection system for gas monitoring between fire cylinders as claimed in claim 2, wherein the exhaust fan (3) has a second branch pipe (32) connected to the air inlet side, and the air inlet of the second branch pipe (32) faces the side of the cylinder room door (6) located indoors.
8. The protection system for gas monitoring between fire-fighting steel cylinders according to claim 1, characterized in that the protection system further comprises an access lock, and the access lock is arranged on a door body (6) between the steel cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552399.XU CN214679797U (en) | 2021-03-17 | 2021-03-17 | Protection system of gas monitoring between fire control steel bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552399.XU CN214679797U (en) | 2021-03-17 | 2021-03-17 | Protection system of gas monitoring between fire control steel bottle |
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| CN214679797U true CN214679797U (en) | 2021-11-12 |
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| CN202120552399.XU Active CN214679797U (en) | 2021-03-17 | 2021-03-17 | Protection system of gas monitoring between fire control steel bottle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507301A (en) * | 2022-11-10 | 2022-12-23 | 四川人人思创企业管理有限公司 | Safety device, safety control method and safety control system for liquefied petroleum gas tank |
-
2021
- 2021-03-17 CN CN202120552399.XU patent/CN214679797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507301A (en) * | 2022-11-10 | 2022-12-23 | 四川人人思创企业管理有限公司 | Safety device, safety control method and safety control system for liquefied petroleum gas tank |
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