[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0039] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.
[0040] Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0041] It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.
[0042] In the description of the embodiments of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "up" and "inside" are based on the azimuth or positional relationship shown in the accompanying drawings, or the azimuth or positional relationship that the product of the invention is habitually placed in use. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. limit.
[0043] In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
[0044] see figure 1 , The present invention provides a technical solution: an anti-interference digital intelligent inspection control device, including a fire inspection control cabinet 1 and a water pump output circuit 2, the fire inspection control cabinet 1 is connected to the water pump output circuit 2, so A pressure gauge 3 and a main valve 4 are arranged between the fire inspection control cabinet 1 and the water pump output circuit 2, and the fire inspection control cabinet 1 includes a programmable controller, a variable frequency speed controller, a man-machine interface, several an operation switch and a number of indicator lights, the water pump output circuit 2 includes a fire hydrant main control pump system 21, a fire hydrant stabilizer pump system 22 and a water replenishment system 23, the fire hydrant main control pump system 21, the fire hydrant The stabilized pump system 22 and the fire inspection control cabinet 1 are both connected to the water replenishment system 23 , and the water replenishment system 23 includes a water tank 231 and a water replenishment valve 232 .
[0045] The fire hydrant main control pump system 21 and the fire hydrant voltage stabilizer pump system 22 are connected in parallel. The main control pump system of fire hydrant mainly adopts manual operation switch for inspection, and the voltage stabilization system of fire hydrant is mainly for automatic inspection, and the two are connected in parallel to avoid the failure of the fire control equipment to automatically start the system during use, which cannot be passed through the man-machine interface. Control the water pump output circuit for fire fighting, open the fire hydrant main control pump system by manual operation to control the water pump output circuit, start the fire hydrant main control pump, fire hydrant backup pump, spray pump and spray backup pump for fire fighting, this simulation The inspection control equipment is used to simulate the fire-fighting start-up process through the analog control circuit, so that when there is a fire, the output circuit of the water pump runs 100% to stop the fire in time. If the fire is large, the main control pump of the fire hydrant can be turned on at the same time. system and fire hydrant stabilized pump system to further improve the fire extinguishing speed.
[0046] The fire inspection control cabinet 1 adopts the MODBUS communication protocol. Using the standard MODBUS communication protocol, it has a wide range of compatibility and stable anti-interference effect. In the industrial control field, the transmission rate can reach 19200bits.
[0047] The speed-regulating frequency converter is provided with an RS485 communication interface, and the RS485 communication interface is provided on the speed-regulating frequency converter, and the RS485 communication interface cooperates with the MODBUS communication protocol, so that remote control and centralized management can be realized.
[0048] The device is provided with a SIM300 industrial-grade transceiver module. The device is equipped with a SIM300 industrial-grade transceiver module, through which the user or management agency can remotely control the start and stop of the fire pump, or send the inspection command of the fire pump. While sending the command, you can also receive the execution status feedback from the live action. This operation can be carried out as long as there is a mobile phone signal, which greatly improves the efficiency of the operator and facilitates the operator to control the working conditions on site. , The flexible function makes an emergency response immediately when the fire condition occurs. Even if the fire is serious, the on-site inconvenience does not affect the response to the fire condition at all. At the same time, the use of SIM300 industrial-grade transceiver modules can also facilitate system upgrades in connection with the Internet, and realize intelligent networking of urban fire protection.
[0049] The device uses dual power supply.
[0050] The fire inspection control cabinet 1 adopts a combination of electrical interlocking and mechanical interlocking. The double insurance design of electrical interlock and mechanical interlock is adopted to eliminate the risk of automatic inspection and false start in fire operation mode.
[0051] The fire hydrant main control pump system 21 includes a fire hydrant main control pump, a fire hydrant backup pump, a spray pump and a spray backup pump. One main pump and one standby pump are used. If the main control pump of the fire hydrant fails, the standby pump of the fire hydrant will be activated to ensure that the water pump will normally spray water to extinguish the fire, and achieve 100% timely fire extinguishing on site.
[0052] The fire hydrant stabilizer pump system 22 includes a fire hydrant stabilizer pump, a fire hydrant stabilizer stabilizer pump, a spray stabilizer pump and a spray stabilizer stabilizer pump. One main and one standby pump is adopted. If the fire hydrant stabilized pump fails, the programmable controller will automatically start the fire hydrant stabilized standby pump to ensure that the pump normally sprays water to extinguish the fire and achieve 100% timely fire extinguishing on site.
[0053] Working principle: By setting the fire inspection control cabinet and the pump output circuit, set the programmable controller, frequency conversion speed controller, man-machine interface, several operation switches and several indicator lights on the fire inspection control cabinet. The operation switches include manual operation. /Auto switch, manual inspection switch of fire hydrant main control pump, manual inspection switch of fire hydrant standby pump, manual inspection switch of spray pump, manual inspection switch of spray standby pump and start inspection switch, indicator lights include automatic status Instruction, power supply instruction, fire linkage instruction, fire hydrant voltage stabilizer main control pump inspection operation instruction, fire hydrant voltage stabilizer backup pump inspection operation instruction, sprinkler stabilizer pump inspection operation instruction, sprinkler stabilizer standby pump inspection Operation indication, inspection fault indication and power frequency operation indication, the fire inspection control cabinet is matched with the pump output circuit, the touch screen in the man-machine interface is connected to the programmable controller, and the programmable controller is provided with a pressure sensor. The pressure sensor is connected to the pressure gauge, the pressure gauge is connected to the main valve, and the main valve is connected to the output circuit of the water pump. Carry out automatic inspection and make corresponding simulation records to inspect whether the process of fire sprinkler through the fire hydrant stabilizer pump system is normal. After the automatic system inspection, manually turn on the corresponding operation switch to control the main control of the fire hydrant. The pump system is inspected, and the information is fed back to the programmable controller through the pump output circuit, and the programmable controller displays the information through the man-machine interface to inspect whether the process of fire sprinkler through the fire hydrant master control pump system is normal. , This equipment adopts electrical interlocking and mechanical interlocking double insurance design to eliminate the risk of automatic inspection and false start in fire operation mode, and can complete the low-speed and no-voltage inspection of the main fire protection circuit, the line selection dual power switch ATSE and the fire pump. At the same time, this device adopts photoelectric isolation high anti-interference circuit, the isolation voltage is up to 5000V, and each part communicates with SIM300 and external expansion units in the way of bus, which can achieve the control effect of point, line and plane. In terms of openness, it adopts standard The MODBUS communication protocol has a wide range of compatibility and stable anti-interference effect. In the industrial control site, it can reach a transmission rate of 19200bits, which ensures a good degree of cooperation between each module, plays a role in fire protection in time, and reduces losses;
[0054] The equipment designs the water pump output circuit as the fire hydrant main control pump system and the fire hydrant voltage stabilizer pump system. By inspecting whether the automatically activated fire hydrant voltage stabilizer pump system is normal, it can also check whether the manually operated fire hydrant master control pump system is normal. Ensure the normal operation of the fire hydrant main control pump system and the fire hydrant stabilizer pump system, so that during the firefighting process, when the fire hydrant stabilizer pump system automatically starts the system failure, the fire hydrant main control pump system can also be manually turned on to carry out fire fighting on site. , and put out the fire on site in time. At the same time, the main control pump system of the fire hydrant and the voltage stabilizer pump system of the fire hydrant are designed as one main and one standby pump. If the main pump fails, the standby pump will be automatically started to carry out fire fighting, so that the Each module has a good degree of cooperation to ensure that the water pump can normally spray water to extinguish fire, and realize timely fire extinguishing on site. In addition, the device uses standard MODBUS communication protocol to communicate with SIM300 and external expansion units, and has good anti-interference ability. Realize remote control and centralized management.
[0055] The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.
