CN217908738U - Simulation test device for gas fire extinguishing system - Google Patents
Simulation test device for gas fire extinguishing system Download PDFInfo
- Publication number
- CN217908738U CN217908738U CN202222143916.5U CN202222143916U CN217908738U CN 217908738 U CN217908738 U CN 217908738U CN 202222143916 U CN202222143916 U CN 202222143916U CN 217908738 U CN217908738 U CN 217908738U
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- relay
- gas fire
- ac220v
- terminal
- fire extinguishing
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000004088 simulation Methods 0.000 title claims abstract description 20
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 230000009471 action Effects 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a gas fire extinguishing systems simulation test device, including overhauing switch, one as line change over switch's AC220V relay and one DC24V relay as analog load. The device utilizes the line change-over switch to change the control line of the gas fire-extinguishing controller between the fire-extinguishing device and the analog load, the control line of the gas fire-extinguishing controller is communicated with the fire-extinguishing device under the normal working state, and the control line of the gas fire-extinguishing controller is communicated with the analog load under the maintenance state. The technical problem of overhigh test cost is solved, and the risk is reduced.
Description
Technical Field
The utility model belongs to fire-fighting equipment, concretely relates to gas fire extinguishing systems's simulation test device.
Background
The maintenance, the maintenance and the repair operation of the gas fire extinguishing system have higher requirements on the technical capability of maintenance personnel, and certain risks exist in the maintenance process, particularly in the process of testing the integral linkage control function of the system, so that irrecoverable economic loss and even casualties can be caused by accidents.
Take a 120L heptafluoropropane fire extinguishing apparatus as an example, the filling amount of fire extinguishing agent in the apparatus is at least 100 kg, the market price of the fire extinguishing agent is not lower than 70 yuan/kg, the direct economic loss caused by the error spraying of a single apparatus exceeds 7000 yuan, and the economic loss caused by the error spraying accident of each gas fire extinguishing system is up to tens of thousands yuan because two fire extinguishing apparatuses in each gas fire extinguishing protection area are fewer. In addition, accidents which can cause casualties under the environment of a specific scene also can cause casualties.
When the traditional fire protection maintenance work is used for testing the integral linkage control function of the gas fire extinguishing system, the control lines of all devices need to be removed, and the simulation test of the system function can be carried out after the control system and the fire extinguishing device are disconnected; after the test is finished, the connecting wires of the fire extinguishing devices are recovered one by one. The technical capability of maintenance personnel is high in requirement for dismantling and wiring, a large amount of time is spent, and if the dismantling is missed or the dismantling is wrong during the disconnecting, the risk of misoperation of the fire extinguishing device is caused during the testing; if the connection is missed, misconnected or virtual, the system fails, so that the fire extinguishing device cannot be started in emergency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas fire extinguishing systems simulation test device has solved the problem that current gas fire extinguishing systems simulation function test method inefficiency just has the risk, has improved the efficiency of gas fire extinguishing systems dimension guarantor work and has reduced the risk.
The technical scheme of the utility model is that the simulation test device of the gas fire extinguishing system is characterized in that the simulation test device comprises an overhaul switch, an AC220V relay used as a line change-over switch and a DC24V relay used as a simulation load; the four groups of common terminals of the AC220V relay are respectively connected with the solenoid valve output terminal and the pressure switch input terminal of the gas fire-extinguishing controller, the four groups of normally closed terminals of the AC220V relay are respectively connected with the solenoid valve starting terminal and the pressure switch feedback terminal of the gas fire-extinguishing device, and the output terminal of the solenoid valve is correspondingly connected with the solenoid valve starting terminal and the pressure switch input terminal is correspondingly connected with the pressure switch feedback terminal; normally open terminals corresponding to two groups of common terminals of the AC220V relay connected with the output terminal of the electromagnetic valve are connected with an action coil terminal of the DC24V relay, and normally open terminals corresponding to the other two groups of common terminals of the AC220V relay connected with the input terminal of the pressure switch are connected with one group of common terminals and normally open terminals of the DC24V relay; and the action coil terminal of the AC220 relay is connected with the AC220V power output, and the service switch is connected to the live wire of the AC220V power output.
Furthermore, a maintenance indicator lamp is connected between the rear end of the maintenance switch and the zero line of the AC220V power supply.
Furthermore, a test indicator lamp is connected between the other group of normally open terminals of the DC24V relay and the zero line of the AC220V power supply, and the normally open terminals connected with the test indicator lamp are connected with the rear end of the maintenance switch through the common terminals of the same group.
The utility model discloses following beneficial effect has:
1. the device can be miniaturized and integrated in a gas fire extinguishing controller or a gas fire extinguishing device, so that the gas fire extinguishing controller and the gas fire extinguishing device have the function of safety simulation test.
2. This device utilizes circuit change over switch to change the control scheme of gas fire extinguishing controller between extinguishing device and artificial load, and the control scheme and the extinguishing device switch-on of gas fire extinguishing controller under the normal operating condition, the control scheme and the artificial load switch-on of gas fire extinguishing controller under the maintenance state have solved the too high technical problem of test cost and have reduced the risk.
3. The device is used for a gas fire extinguishing system, can safely, conveniently and efficiently test the simulation function of the gas fire extinguishing system, can improve the maintenance work efficiency of the gas fire extinguishing system and reduce risks.
Drawings
Fig. 1 is a wiring schematic diagram of the active mode of operation of the device.
Fig. 2 is a wiring schematic diagram of the passive working mode of the device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope protected by the present invention.
The specific implementation mode of the device can be an independent electric control box, and can also be integrated in a gas fire extinguishing controller or a gas fire extinguishing device as a sub-functional module after being miniaturized.
1. The device is connected with a circuit
As shown in fig. 1, the simulation test device for gas fire extinguishing system provided by this embodiment comprises a service switch, an AC220V relay as a line transfer switch, and a DC24V relay as a simulation load. Four groups of common terminals (No. 9, 10, 11 and 12 terminals) of the AC220V relay are respectively connected with an electromagnetic valve output terminal and a pressure switch input terminal of the gas fire-extinguishing controller by using wires, four groups of normally closed terminals (No. 1, 2, 3 and 4 terminals) of the AC220V relay are respectively connected with an electromagnetic valve starting terminal and a pressure switch feedback terminal of the gas fire-extinguishing device, and the electromagnetic valve output terminal and the electromagnetic valve starting terminal are correspondingly connected, and the pressure switch input terminal and the pressure switch feedback terminal are correspondingly connected; normally open terminals (No. 5 and No. 6 terminals) corresponding to two groups of common terminals of the AC220V relay connected with an output terminal of the electromagnetic valve are connected with action coil terminals (No. 13 and No. 14 terminals) of the DC24V relay, and normally open terminals (No. 7 and No. 8 terminals) corresponding to the other two groups of common terminals of the AC220V relay connected with an input terminal of the pressure switch are connected with one group of common terminals (No. 9 terminal) and normally open terminals (No. 5 terminal) of the DC24V relay; then, the action coil terminals (No. 13 and No. 14 terminals) of the AC220 relay are connected with the AC220V power output, and the maintenance switch is connected to the live wire of the AC220V power output. And then, a maintenance indicator lamp is connected between the rear end of the maintenance switch and the zero line, a test indicator lamp is connected between the other group of normally open terminals (No. 8 terminals) of the DC24V relay and the AC220V power supply zero line, and the common terminals (No. 12 terminals) of the same group of normally open terminals connected with the test indicator lamp are connected with the rear end of the maintenance switch. This completes the wiring of the device.
In the scheme, an AC220V relay is used to introduce an AC220V power supply to the device, the gas fire extinguishing controller is generally provided with a DC24V output terminal, the AC220V relay is replaced by the DC24V relay, only the DC24V output of the gas fire extinguishing controller is introduced into the device to replace the AC220V power supply, and the same function can be realized by connecting a control power line of the device to the DC24V output terminal of the gas fire extinguishing controller.
The gas fire extinguishing controller mentioned in the embodiment is exemplified by a GST-QKP01 type gas fire extinguishing controller manufactured by gulf safety technologies, ltd, and other brands and models of gas fire extinguishing controllers adopt the same principle, have the same starting output signal and receive the same feedback input signal. The gas fire extinguishing apparatus is exemplified by a GQQ40/2.5 cabinet type heptafluoropropane fire extinguishing apparatus manufactured by Bay Security technologies, inc., and gas fire extinguishing apparatuses of other brands and models also adopt the same working principle, and use an electromagnetic valve receiving the same starting signal and a pressure switch outputting the same passive normally closed feedback signal. The relay takes JZX-22F (D)/4Z type DC24V and AC220V intermediate relays manufactured by Zhengtai electrical apparatus limited company as an example, relays of other brands and models also adopt the same working principle, and relay pin numbers and wiring methods which use coils with the same working voltage and have the same wiring pin number are also the same.
2. Working principle of the device
The working principle of the device is that the maintenance switch is in an off state at ordinary times, the AC220V relay coil is in a power-off state, the circuit connection of the gas fire extinguishing controller and the gas fire extinguishing device is in a normal working state at the moment, and the control signal of the gas fire extinguishing controller is transmitted to the gas fire extinguishing device to discharge the fire extinguishing agent for fire extinguishing when a fire occurs. After the maintenance switch is switched on, the AC220V relay coil is electrified, the control circuit of the gas fire extinguishing controller is switched to be switched on with the DC24V relay circuit serving as the analog load, and the gas fire extinguishing system is in a maintenance state. When the integral linkage control function test is carried out, the control signal of the gas fire-extinguishing controller is transmitted to the simulation load, and the function test is carried out.
3. The device also has a passive implementation scheme, as shown in fig. 2, the AC220V relay as the line change-over switch is replaced by the manual change-over switch, the passive scheme can paste up the mark of 'commissioning' and the mark of 'overhaul' at the upper end and the lower end of the overhaul switch, the working state of the device is clearly indicated, and the DC24V relay as the analog load is provided with an indicating lamp which can be used for judging the working state of the gas fire extinguishing system in the analog test. The function of carrying out simulation test on the gas fire extinguishing system can be realized by utilizing a manual switching circuit under the condition that an external power supply is not needed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.
Claims (3)
1. A simulation test device of a gas fire extinguishing system is characterized by comprising a maintenance switch, an AC220V relay serving as a line transfer switch and a DC24V relay serving as a simulation load; the four groups of common terminals of the AC220V relay are respectively connected with the electromagnetic valve output terminal and the pressure switch input terminal of the gas fire-extinguishing controller, the four groups of normally closed terminals of the AC220V relay are respectively connected with the electromagnetic valve starting terminal and the pressure switch feedback terminal of the gas fire-extinguishing device, and the electromagnetic valve output terminal and the electromagnetic valve starting terminal are correspondingly connected, and the pressure switch input terminal and the pressure switch feedback terminal are correspondingly connected; normally open terminals corresponding to two groups of common terminals of the AC220V relay connected with an output terminal of the electromagnetic valve are connected with an action coil terminal of the DC24V relay, and normally open terminals corresponding to the other two groups of common terminals of the AC220V relay connected with an input terminal of the pressure switch are connected with one group of common terminals and normally open terminals of the DC24V relay; and an action coil terminal of the AC220 relay is connected with an AC220V power supply output, and the overhaul switch is connected to a live wire of the AC220V power supply output.
2. A gas fire extinguishing system simulation test device as recited in claim 1, wherein a service indicating lamp is connected between the rear end of the service switch and the neutral line of the AC220V power supply.
3. A gas fire extinguishing system simulation test device as claimed in claim 1, wherein a test indication lamp is inserted between the other set of normally open terminals of the DC24V relay and the AC220V power supply neutral line, and the normally open terminals connected with the test indication lamp are connected with the common terminal of the same set and the rear end of the maintenance switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222143916.5U CN217908738U (en) | 2022-08-16 | 2022-08-16 | Simulation test device for gas fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222143916.5U CN217908738U (en) | 2022-08-16 | 2022-08-16 | Simulation test device for gas fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217908738U true CN217908738U (en) | 2022-11-29 |
Family
ID=84154099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222143916.5U Expired - Fee Related CN217908738U (en) | 2022-08-16 | 2022-08-16 | Simulation test device for gas fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217908738U (en) |
-
2022
- 2022-08-16 CN CN202222143916.5U patent/CN217908738U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221129 |