CN201423104Y - Energy-saving protection device for fire-fighting facilities in high-rise buildings - Google Patents

Abstract

The utility model energy-saving protection device for fire-fighting facilities of high-rise buildings includes underground water tanks, high-level water tanks, fire-fighting water pipes, fire-fighting pumps, fire-fighting boxes, fire-fighting pump start buttons and fire-fighting cabinets, and also includes drain valves, microcomputer time controllers, and pressure signal collectors. and a delay relay circuit, the drain valve is installed on the fire water pipe, and the control signal output by the microcomputer time controller is connected to the drain valve. At least one pressure signal collector is installed in the high-level water tank. The output signal of the pressure signal collector is connected to the delay relay circuit, and the control signal output by the delay relay circuit is connected to the fire pump. Its beneficial technical effects are: automatic regular water supply to the fire-fighting facilities of high-rise buildings, running water throughout the year, avoiding corrosion caused by long-term non-use of the water tank, regular water changes, and damage to equipment caused by freezing and cracking of water pipes in winter, resulting in manpower , material loss and waste of water resources, greatly reducing management costs.

Description

Energy-saving protection device for fire-fighting facilities in high-rise buildings

technical field

The utility model relates to a control device, in particular to an energy-saving protection device for fire-fighting facilities in high-rise buildings.

Background technique

In traditional high-rise building fire-fighting facilities, the water in the underground water tank is pumped to the high-level water tank, and then water is supplied to the fire-fighting box through the fire-fighting water pipe and the fire-fighting pump. Its existing problems are:

1. If the water tank is not used for a long time, it will cause serious corrosion. Renewing the water tank will cause loss of manpower and material resources. Mosquitoes and bacteria will breed in summer, which will change the water quality. New water must be replaced regularly, wasting water resources. In winter, the water pipes may freeze and crack, thereby damaging the equipment.

2. The fire pump cannot be started frequently, due to limited pressure, it is prone to explosion and accidents.

3. Regular manual inspections are required, and professional training for inspection personnel is required, which is not conducive to the reduction of management costs.

4. Usually the fire box is only equipped with a start button, but not a stop button. When the fire fighting is over, someone must go to the underground pump room to cut off the power supply, which is inconvenient to operate and unfavorable for water conservation.

Utility model content

The purpose of the utility model is to provide an energy-saving protection device for fire-fighting facilities of high-rise buildings that can be automatically and regularly started, which is beneficial to water saving, greatly reduces management and maintenance costs, and is easy to use.

In order to achieve the above-mentioned purpose, the utility model high-rise building fire-fighting facility energy-saving protection device, comprises underground water tank, elevated water tank, fire-fighting water pipe, fire-fighting pump, fire-fighting box, fire-fighting pump starting button and fire-fighting cabinet, and described fire-fighting water pipe is installed in described underground water tank Between the fire pump and the high-level water tank, the fire pump is installed on the fire water pipe, the fire box is installed on each floor, the fire cabinet is installed in the fire pump room, and the fire pump start button is installed in each fire In the box, the fire pump and the start button of the fire pump are electrically connected to the fire cabinet, and also include a drain valve, a microcomputer time controller, a pressure signal collector and a delay relay circuit, and the drain valve is installed in the fire water pipe Above, the control signal output by the microcomputer time controller is connected to the drain valve; at least one pressure signal collector is installed in the high-level water tank, and the output signal of the pressure signal collector is connected to To the delay relay circuit, the control signal output by the delay relay circuit is connected to the fire pump.

The utility model relates to an energy-saving protection device for fire-fighting facilities of high-rise buildings, wherein there are two pressure signal collectors, which are respectively installed in the underground water tank and the high-level water tank.

The utility model is an energy-saving protection device for fire-fighting facilities of high-rise buildings, wherein the control signal output by the microcomputer time controller is a start pulse signal with an adjustable cycle of 1-10 days, and the output contacts controlled by the start pulse signal are connected in series to the In the power control circuit of the drain valve.

The utility model is an energy-saving protection device for fire-fighting facilities of high-rise buildings, wherein the control signal output by the delay relay circuit is a closing pulse signal with an adjustable period of 5-10 minutes, and the output contact controlled by the closing pulse signal is connected in series to the In the power control circuit of the fire pump.

The utility model is an energy-saving protection device for fire-fighting facilities of high-rise buildings, wherein the pressure signal collector adopts an electric contact pressure gauge, including a first electric contact pressure gauge installed in an underground water tank and a second electric contact pressure gauge installed in a high-level water tank, The normally closed output contact of the first electric contact pressure gauge and the normally open output contact of the second electric contact pressure gauge are connected to the power control circuit of the relay, and the relay is used to start the fire pump; the second The normally open output contact of the first electric contact pressure gauge and the normally closed output contact of the second electric contact pressure gauge are connected in series to the power control circuit of the delay relay, and the delay relay is used for stopping the fire pump.

The utility model is an energy-saving protection device for fire-fighting facilities of high-rise buildings, wherein the upper limit of the operating pressure installed on the first electric contact pressure gauge is 0.38Mp, the lower limit is 0.55Mp, and the upper limit of the operating pressure of the second electric contact pressure gauge is 0.3Mp , the lower limit is 0.13Mp.

The utility model is an energy-saving protection device for fire-fighting facilities of high-rise buildings, wherein the start button of the fire pump is connected in parallel with the normally closed output contact of the first electric contact pressure gauge and the normally open output contact of the second electric contact pressure gauge.

The utility model relates to an energy-saving protection device for fire-fighting facilities of high-rise buildings, wherein two second electric contact pressure gauges are provided.

The beneficial technical effect of the utility model is that the energy-saving protection device for fire-fighting facilities of high-rise buildings is equipped with a microcomputer time controller, a pressure signal collector, a time-delay relay circuit and a drain valve, which realizes automatic regular inspection of the fire-fighting facilities of high-rise buildings. , underground water tanks, high-level water tanks, fire water pipes, fire pumps and fire boxes can have running water throughout the year, avoiding corrosion caused by long-term use of water tanks, mosquitoes and bacteria breeding in summer, water must be changed regularly, and water pipes may freeze in winter cracks, and then damage the equipment, resulting in human and material loss and waste of water resources, and also reduces the possibility of fire pump accidents, greatly reducing management costs.

Due to the automatic performance of the device, when a fire breaks out, there is no need to start it manually, just open the fire control door, and the water can start to flow, and the fire pump will automatically pressurize the water supply; when the fire is over, it is not necessary to go to the underground pump room to cut it off Power supply, the device will stop water supply and automatically restore.

Description of drawings

Fig. 1 is the structural block diagram of the utility model high-rise building fire-fighting facility energy-saving protective device;

Fig. 2 is the control circuit diagram of the utility model high-rise building fire-fighting facility energy-saving protection device.

Detailed ways

With reference to Fig. 1, the utility model high-rise building fire-fighting facility energy-saving protection device, comprises underground water tank, elevated water tank, fire-fighting water pipe, fire-fighting pump 103, fire-fighting box, fire-fighting pump start button, fire-fighting cabinet, drain valve 105, microcomputer time controller 104 , a pressure signal collector 101 and a delay relay circuit 102.

The fire water pipe is installed between the underground water tank and the high water tank, the fire box is installed on each floor, the fire cabinet is installed in the fire pump room, the fire pump 103 is installed on the fire water pipe, and the fire pump start button SB is installed in each fire box. The start button of the pump and fire pump is electrically connected with the fire cabinet.

In an embodiment of the energy-saving protection device for fire-fighting facilities in high-rise buildings of the present invention, the drain valve 105 is installed on the fire-fighting water pipe, and the control signal output by the microcomputer time controller 104 is connected to the drain valve 105. The control signal output by the microcomputer time controller 104 is a start pulse signal with an adjustable period of 1-10 days. Referring to FIG.

The output signal of the pressure signal collector 101 is connected to the delay relay circuit 102 , and the control signal output by the delay relay circuit 102 is connected to the fire pump 103 . The specific solution is: referring to Fig. 2, there are two pressure signal collectors 101: the first electric contact pressure gauge PK1 and the second electric contact pressure gauge PK2, which are respectively installed in the underground water tank and the elevated water tank. Among them, the normally closed output contact PK1-1 of the first electric contact pressure gauge PK1 installed in the underground water tank and the normally open output contact PK2-1 of the second electric contact pressure gauge PK2 installed in the high level water tank are connected to the relay J1 in parallel. In the power control loop, the relay J1 is used to start the fire pump 103 . The normally open output contact PK1-2 of the first electric contact pressure gauge PK1 and the normally closed output contact PK2-2 of the second electric contact pressure gauge PK2 are connected in series to the power control circuit of the delay relay J2, and the delay relay J2 is used for Stopping of the fire pump 103.

The control signal output by the delay relay J2 is a closing pulse signal with an adjustable period of 5-10 minutes, and the output contact J1-2 controlled by the closing pulse signal is connected in series to the power control circuit of the fire pump 103 . The normally open output contact J1-1 and the normally closed output contact J2-1 in Figure 2 are the protection contacts of the relay J1 and the delay relay J2, which are conventional connections.

In the embodiment of the present utility model, the operating pressure of the first electric contact pressure gauge PK1 installed in the underground water tank is the upper limit is 0.38Mp, the lower limit is 0.55Mp, the action pressure of the second electric contact pressure gauge PK2 installed in the high water tank The upper limit of the pressure is 0.3Mp, and the lower limit is 0.13Mp.

In different embodiments of the present utility model, in order to ensure reliability, there are two second electric contact pressure gauges PK2 installed in the high-level water tank, and they are connected in parallel to output acquisition signals.

Referring to Fig. 2, the fire pump start button SB is connected in parallel with the normally closed output contact PK1-1 of the first electric contact pressure gauge and the normally open output contact PK2-1 of the second electric contact pressure gauge. In addition, for the convenience of use, the fire cabinet can also be provided with a pump start button, and the pump start button and the output contacts of the electric contact pressure gauge are connected in parallel.

The specific work process of the energy-saving protective device for fire-fighting facilities of high-rise buildings of the present utility model is illustrated below.

The energy-saving protection device for fire-fighting facilities of high-rise buildings of the utility model automatically conducts regular inspections on the fire-fighting facilities of high-rise buildings. The microcomputer time controller 104 automatically outputs control signals every 1-10 days, 1-2 days in summer and 8-10 days in winter. Connect to drain valve 105. After drain valve 105 discharges water, the water in the elevated water tank begins to reduce and flows in the underground water tank. The action pressure of the second electric contact pressure gauge PK2 is the upper limit of 0.3Mp, the lower limit of 0.13Mp, when it is lower than the lower limit of 0.13Mp, the normally open output contact PK2-1 of the second electric contact pressure gauge PK2 is connected to the power supply of the relay J1 In the control circuit, the relay J1 acts, and the fire pump 103 starts. At the same time, the normally closed output contact PK2-2 of the second electric contact pressure gauge PK2 is connected to the power control circuit of the delay relay J2. The fire pump 103 draws back the released water again, and returns to the high-level water tank through the fire-fighting water pipe. When the pressure of the second electric contact pressure gauge PK2 is higher than the upper limit of 0.3Mp, the normally closed output contact PK2-2 of the second electric contact pressure gauge PK2 disconnects the power supply control circuit of the delay relay J2, thereby delaying 5-10 The control signal output in minutes is to disconnect the relay J1 through the normally open output contact J2-1, so that the fire pump 103 stops working.

In the same way, the above control process can also be completed through the first electric contact pressure gauge PK1 installed in the underground water tank.

Referring to Fig. 2, the output contact SK controlled by the starting pulse signal can also start the above-mentioned control process through the drain valve 105, which facilitates the operation and ensures that the underground water tank, high-level water tank, fire water pipe, fire pump and fire box can be used in all seasons. There is running water. Since the above process is completed automatically, when a fire occurs, there is no need to start it manually, just open the fire control door, and the water can start to flow out, and the fire pump will automatically pressurize the water supply; when the fire is over, no one needs to go underground Cut off the power supply in the pump room, and the device will stop the water supply and automatically restore.

The above-mentioned embodiment is only to describe the preferred implementation of the utility model, not to limit the concept and scope of the utility model. Various modifications and improvements made in the technical solution should fall within the scope of protection of the utility model, and the technical content claimed in the utility model has been fully recorded in the claims.

Claims (8)

1. high-rise building fire fighting device energy-saving protective device, comprise underground water tank, elevated tank, fire extinguisher canvas hose, fire pump (103), Fire Hose, fire pump start button and FHC, described fire extinguisher canvas hose is installed between described underground water tank and the elevated tank, described fire pump (103) is installed on the described fire extinguisher canvas hose, described Fire Hose is installed in each floor, described FHC is installed in the fire pump room, described fire pump start button is installed in each described Fire Hose, described fire pump (103), the fire pump start button links to each other with the FHC electricity, it is characterized in that: also comprise drain valve (105), micro computer time controller (104), pressure signal collector (101) and time delay relay circuit (102), described drain valve (105) is installed on the described fire extinguisher canvas hose, and the control signal of described micro computer time controller (104) output is connected to described drain valve (105); Described pressure signal collector (101) is provided with 1 at least, be installed in the described elevated tank, the output signal of described pressure signal collector (101) is connected to described time delay relay circuit (102), and the control signal of described time delay relay circuit (102) output is connected to described fire pump (103).

2. high-rise building fire fighting device energy-saving protective device according to claim 1, wherein said pressure signal collector (101) is 2, is installed in respectively in described underground water tank and the elevated tank.

3. high-rise building fire fighting device energy-saving protective device according to claim 1 and 2; the control signal of wherein said micro computer time controller (104) output is the starting impulse signal with 1-10 days adjustable cycles, and the output contact series connection of described starting impulse signal controlling is to the power control loop of described drain valve (105).

4. high-rise building fire fighting device energy-saving protective device according to claim 3; the control signal of wherein said time delay relay circuit (102) output is the pulse signal of closing with 5-10 minute adjustable cycle, describedly closes the output contact series connection of pulse signal control to the power control loop of described fire pump (103).

5. high-rise building fire fighting device energy-saving protective device according to claim 4, wherein said pressure signal collector (101) adopts electro connecting pressure gauge, comprise first electro connecting pressure gauge that is installed in underground water tank and second electro connecting pressure gauge that is installed in the elevated tank, often the opening output contact (PK2-1) and be attached in the power control loop of relay (J1) of the normally closed output contact (PK1-1) of described first electro connecting pressure gauge and described second electro connecting pressure gauge, described relay (J1) is used for the startup of fire pump (103); Normally closed output contact (PK2-2) series connection of often opening output contact (PK1-2) and described second electro connecting pressure gauge of described first electro connecting pressure gauge is to the power control loop of time-delay relay (J2), and described time-delay relay (J2) is used for stopping of fire pump (103).

6. high-rise building fire fighting device energy-saving protective device according to claim 5; wherein be installed on the operating pressure of described first electro connecting pressure gauge and be limited to 0.38Mp; under be limited to 0.55Mp, be limited to 0.3Mp on the operating pressure of described second electro connecting pressure gauge, be limited to down 0.13Mp.

7. high-rise building fire fighting device energy-saving protective device according to claim 6, the normally closed output contact (PK1-1) of wherein said fire pump start button (SB) and described first electro connecting pressure gauge and described second electro connecting pressure gauge often to open output contact (PK2-1) parallel with one another.

8. high-rise building fire fighting device energy-saving protective device according to claim 7, wherein said second electro connecting pressure gauge is provided with 2.

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