CN212774695U - Fire pump controlgear - Google Patents

Abstract

The utility model provides a fire pump controlgear, include: the fire pump control equipment comprises a main control system processing circuit, a power supply processing circuit, a key circuit, an indicating circuit, an input circuit, an output circuit, a first sampling circuit, a second sampling circuit, a third sampling circuit, an information display circuit and a processing circuit. The connection bus is connected to the USB interface of the computer through the processing circuit, and the integrated management and control functions of the intercommunication between the areas of the fire pump control equipment and the fire control center are realized. The complicated assembling process of the fire pump control equipment is optimized, the production cost is directly reduced, and the production benefit and the equipment operation reliability are greatly improved.

Description

Fire pump controlgear

Technical Field

The utility model relates to a fire pump technical field especially relates to a fire pump controlgear.

Background

The existing fire pump control equipment is formed by assembling a plurality of electric appliance accessories of various types such as a plurality of circuit breakers, an alternating current contactor, a phase sequence relay, a button switch, a selection switch, an indicator lamp, an intermediate relay, a time relay, a thermal relay or a motor protector, a voltmeter, an ammeter, an alarm, a wiring terminal and the like and complex circuit wiring. Splicing using this method has several disadvantages: 1. the circuit assembly process is complex, and a large amount of working hours and electric wires are consumed; 2. the control circuit has too many contacts and is easy to loosen, so that the out-of-control fault rate is high during working; 3. the fire-fighting cabinet is large in size and high in manufacturing cost; 4. the integral dispersion quality of the electric fittings is difficult to ensure; 5. the water pump motor protection device is imperfect; 6. the fault judgment is difficult, the maintenance is complex, the error judgment is easy to cause, the maintenance is difficult, and the maintenance cost is high; 7. the communication function and the remote monitoring cannot be realized; 8. the working and standby states of the equipment cannot be remotely controlled and monitored in real time; 9. the password management function is not available, and the authority of professional managers cannot be guaranteed, so that the random operation possibility is high; 10. the safety distance of the dispersed electric fittings of the electric fittings is enlarged, and the top level of protection is low; 11. the work information cannot be queried.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model adopts the following technical scheme: a fire pump control apparatus comprising: the main control system comprises a main control system processing circuit, a power supply processing circuit, a key circuit, an indicating circuit, an input circuit, an output circuit, a first sampling circuit, a second sampling circuit, a third sampling circuit, an information display circuit and a communication processing circuit;

the power supply processing circuit, the key circuit, the indicating circuit, the input circuit, the output circuit, the first sampling circuit, the second sampling circuit, the third sampling circuit, the information display circuit and the communication processing circuit are respectively connected with the master control system processing circuit.

Further, the processing circuit of the main control system comprises an STM32F071VB large-capacity single chip and an AT24C02 storage chip which are electrically connected.

Further, the key circuit is a product operation key circuit, and the product operation key circuit includes 16 tact switches and 8 diodes.

Further, the indicating circuit is a product working state indicating circuit, and the product working state indicating circuit comprises 13 chip resistors and 16 chip light emitting diodes.

Further, the input circuit is a remote control signal input circuit, and the remote control signal input circuit comprises 4 patch resistors, 4 optocoupler modules, 32 patch resistors and 16 patch diodes.

Further, the output circuit is a master control output circuit, and the master control output circuit comprises 2 driving modules and 16 relays.

Further, first sampling circuit is phase sequence and phase loss detection sampling circuit, phase sequence and phase loss detection sampling circuit include 6 paster power resistance and 3 high voltage resistant opto-couplers, 6 paster power resistance is used for the current-limiting and divides the voltage and then carries respectively and gives 3 high voltage resistant opto-couplers.

Furthermore, the second sampling circuit is a voltage protection and detection sampling circuit, the voltage protection and detection sampling circuit comprises 1 voltage transformer, a rectifying circuit and a voltage division current limiting circuit, and the voltage transformer is used for being electrically connected with the rectifying circuit and the voltage division current limiting circuit.

Further, the third sampling circuit is a current signal sampling circuit, and the current signal sampling circuit comprises 3 current transformers, 6 chip resistors and 3 protection diodes.

Further, the information display circuit is product function and sets up the information display circuit, product function and set up the information display circuit and include 1 display screen, the display screen is used for showing the function setting and the debugging of product and the information display of operating condition, processing circuit is communication processing circuit, communication processing circuit includes 1 communication chip, 3 protection tubes and 2 chip resistor.

The utility model has the advantages that: through using this fire pump control equipment, have human-computer interaction, the cooperation has improved fire pump control equipment's safety and reliability and management and control benefit, has reduced operation administrative cost. The connection bus is connected to the USB interface of the computer through the communication processing circuit, and the integrated management and control functions of the intercommunication between the areas of the fire pump control equipment and the fire control center are realized. The complicated assembling process of the fire pump control equipment is optimized, the production cost is directly reduced, and the production benefit and the equipment operation reliability are greatly improved. Through button circuit and information display circuit, there are direct operation button and chinese characters display interface on fire pump controlgear to accessible communication function sends information and shows fire pump controlgear's operating condition for fire control center's computer. All the online equipment can be directly controlled, monitored and managed through a computer of the fire fighting center. The remote monitoring on-line fire pump control equipment is provided, and the reliability of emergency equipment is guaranteed.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic circuit connection diagram of a fire pump control apparatus according to an embodiment;

FIG. 2 is a schematic circuit diagram illustrating an embodiment of a processing circuit of a host system;

FIG. 3 is a schematic circuit diagram of a power processing circuit according to an embodiment;

FIG. 4 is a schematic circuit diagram of a key circuit according to an embodiment;

FIG. 5 is a schematic diagram of a circuit connection of an indicating circuit according to an embodiment;

FIG. 6 is a schematic circuit diagram of an input circuit according to an embodiment;

FIG. 7 is a schematic circuit diagram of an output circuit according to an embodiment;

FIG. 8 is a schematic diagram of circuit connections of a first sampling circuit, a second sampling circuit, and a third sampling circuit according to an embodiment;

FIG. 9 is a schematic circuit diagram of an information display circuit according to an embodiment;

fig. 10 is a circuit connection diagram of a communication processing circuit according to an embodiment.

Detailed Description

The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 to 10, a fire pump control apparatus includes: main control system processing circuit, power processing circuit, keying circuit, indicating circuit, input circuit, output circuit, first sampling circuit, second sampling circuit, third sampling circuit, information display circuit and communication processing circuit, power processing circuit keying circuit indicating circuit input circuit output circuit first sampling circuit second sampling circuit third sampling circuit information display circuit with communication processing circuit equally divide do not with main control system processing circuit connects.

Specifically, the processing circuit of the main control system comprises an STM32F071VB large-capacity single chip and an AT24C02 storage chip which are electrically connected. The power supply processing circuit adopts 24V safe voltage input, carries out the input filtering and voltage stabilization of a power supply through a T1.UUU 9.8 common mode inductor, and then carries out the rectification filtering and voltage stabilization of the power supply through an SS510 diode, an XL2596-5.0 chip, an SS210 diode, a 100MH inductor, a capacitor and other elements. And then the power supply is subjected to filtering, voltage-stabilizing and constant-current treatment again through the AMS1117-3.3 chip and the resistance-capacitance element. The constant-current voltage stabilization, the interference resistance and the like of the product power supply are realized, and the pollution of external power supply is processed.

Further, the key circuit is a product operation key circuit, the product operation key circuit includes 16 tact switches and 8 diodes, the tact switch is a 12 × 9H patch drain tact switch, and the diodes are patch diodes. The indicating circuit is a product working state indicating circuit, the product working state indicating circuit comprises 13 chip resistors and 16 chip light-emitting diodes, the chip resistors are 0805 chip resistors, and the chip light-emitting diodes are ultra-bright 3528 chip light-emitting diodes. The input circuit is a remote control signal input circuit which comprises 4 patch exclusion, 4 optocoupler modules, 32 patch resistors and 16 patch diodes. That is, the remote control signal input circuit adopts a simple combination of 4 0603 chip resistors and 4 PS2801-4 optocoupler modules, and 32 current-limiting and voltage-dividing chip resistors and 16 chip diodes. The output circuit is a master control output circuit which comprises 2 driving modules and 16 relays. That is, the master control output circuit adopts 2 ULN2803 driver modules and 16 small relays. First sampling circuit is phase sequence and lacks looks detection sampling circuit, phase sequence and lack looks detection sampling circuit include 6 paster power resistance and 3 high-voltage resistant opto-couplers, 6 paster power resistance is used for the current-limiting and divides the partial pressure and then delivers 3 respectively high-voltage resistant opto-couplers. That is to say, the primary strong current circuit adopts 6 2010 chip power resistors to limit current and divide voltage and then respectively transmits the current and the voltage to 3 TLP127 high-voltage resistant optocouplers, and the secondary end of the high-voltage resistant optocouplers adopts 3 0805 chip pull-up resistors to simply combine a phase sequence and an open-phase detection sampling circuit for processing. The second sampling circuit is a voltage protection and detection sampling circuit, the voltage protection and detection sampling circuit comprises 1 voltage transformer, a rectifying circuit and a voltage division current limiting circuit, and the voltage transformer is electrically connected with the rectifying circuit and the voltage division current limiting circuit. That is to say, the voltage protection and detection sampling circuit adopts 1 special small-sized voltage transformer, a rectification circuit and a voltage division and current limitation circuit to simply combine a voltage signal source. The third sampling circuit is a current signal sampling circuit, and the current signal sampling circuit comprises 3 current transformers, 6 chip resistors and 3 protection diodes. That is to say, the current signal sampling circuit adopts 3 high accuracy small-size current transformers and 6 current-limiting partial pressure chip resistors and 3 BV99 protection diodes to simply make up three-phase current sampling circuit. The information display circuit is product function setting and operating condition information display circuit, product function setting and operating condition information display circuit include 1 display screen, the display screen is used for product function setting and debugging and operating condition's information display, just the display screen is the LCD screen of taking the chinese character storehouse, simple audio-visual chinese and digital display information. The processing circuit is a communication processing circuit which comprises 1 communication chip, 3 protection tubes and 2 chip resistors. That is to say, the communication processing circuit adopts 1 SP485EN communication chip and 3 TVS protection tubes and 2 chip resistors simple combination.

By using the combination of an STM32F071VB high-capacity single chip microcomputer chip and an AT24C02 storage chip, 16 patch water-discharging tact switches of 12 × 9H and 8 patch diodes are simply combined, and signal processing of product setting and control is realized through high-speed scanning, identification and calculation of the high-capacity single chip microcomputer chip. Compared with the common mode, the novel PCB wiring device saves a large amount of wiring working hours and wires, saves 16 common button switches and selection switches, and improves the production efficiency and the reliability of products by adopting a PCB board wiring screwless node. The simple combination of 13 0805 chip resistors and 16 ultra-bright 3528 chip light-emitting diodes is adopted, and the high-speed scanning and instruction identification of a large-capacity single chip microcomputer chip are adopted, so that the indicating function of the working state of a product is realized, a large amount of wiring working hours and wires are saved, 16 ordinary indications and the like are saved compared with an ordinary mode, node loosening is avoided, and the production efficiency and the indicating accuracy of the product are improved. The device adopts the simple combination of 4 0603 patch exclusion and 4 PS2801-4 opto-coupler modules, 32 current-limiting and voltage-dividing patch resistors and 16 patch diodes, realizes the external remote signal processing and anti-interference isolation circuit of the product through the high-speed scanning and instruction identification of a single chip microcomputer, and saves a plurality of intermediate relays, a large amount of complex logic wiring, wire rods, labor cost and the like compared with the common mode. And the phenomenon that the nodes are too many and are easy to loosen is avoided, and the product reliability is greatly improved. The system adopts 2 ULN2803 drive modules and 16 miniature relays, and sends the instruction of a large-capacity single chip microcomputer chip to the drive module to drive the miniature relays to work and close, so that the product control and state feedback output are realized, and compared with a common mode, 16 intermediate relays, 3 time relays, a large amount of complex logic wiring, wire rods, labor cost and the like are saved. The problems that the nodes are too many and are easy to loosen and the like are avoided, and the production efficiency and the operation reliability of the product are greatly improved. Through the waveform recognition and calculation of the high-speed scanning three-phase power supply of the high-capacity single chip microcomputer chip and the detection of the phase sequence and the phase loss of the main control power supply, the detection and alarm prompting functions of the main control power supply for the phase sequence dislocation and the phase loss are realized, and the faults of the fire pump control equipment, such as phase loss starting and phase sequence dislocation inversion, are effectively controlled and protected. Compared with the common mode, 1 phase sequence protection relay is saved, and the production efficiency of products and the operation safety and reliability of equipment are improved. The voltage signal source is simply combined by adopting 1 special small-sized voltage transformer, a rectifying circuit and a voltage dividing and current limiting circuit, and then the detection, the display and the alarm output of the product to the over-high voltage and the lower voltage of the main control power supply are realized through the processing and the calculation of a large-capacity single chip microcomputer chip, so that a voltmeter is saved compared with a common mode, and the voltage protection function is provided. The three-phase current sampling circuit is simply combined by adopting 3 high-precision small-sized current transformers, 6 current-limiting voltage-dividing chip resistors and 3 BV99 protection diodes, and then the display of the current sampling and running current of a main circuit and the protection functions of over-current and under-current are realized through the reading and calculation of a large-capacity single chip microcomputer chip, 3 current meters, 3 motor protectors and complex wiring are saved compared with a common mode, and the reliability and safety of equipment are improved due to the fact that products are simplified. By adopting a liquid crystal screen with a Chinese character library 1 and by PSD low level serial high level parallel simple three-line intercommunication processing and calculation with a large-capacity single chip microcomputer chip, comprehensive Chinese and digital display of man-machine interchange products is realized, and the information display of simple and intuitive product function setting and debugging and working state is optimized. The system adopts 1 SP485EN communication chip, 3 TVS protection tubes and 2 chip resistors to simply combine and realize instruction intercommunication with a single chip microcomputer, can adopt simple two-wire connection as a connection link, can realize the management and control of network communication integration by connecting a connection bus to a USB interface of a computer, realizes remote control and monitoring between fire pump control equipment and with a fire center computer, realizes data transmission and information exchange, does not need to adopt a mode of accessing to a PLC or a computer, can directly obtain the fire pump control equipment from another node on the same level, forms a complete system of integrated control and management of the fire pump control equipment which is really dispersed on the spot, and improves the autonomy and reliability of the system. So-called network management and control integration is realized.

That is to say, through using STM32F071VB large capacity single chip microcomputer chip and AT24C02 memory chip combination, to 16 complicated logic circuit calculation and communication command analysis and instruction sending and operation and instruction identification of instruction of way external control signal input and way 16 control output and provide linkage signal sound alarm and fault signal sound alarm, simultaneously to the open phase of master control circuit, phase sequence dislocation, overvoltage, undervoltage, overcurrent, undercurrent, fire pool water level low lack of water etc. multiple monitoring acquisition fire pump control equipment's comprehensive operating parameter, can real-time dynamic understanding fire pump control equipment operating condition accomplish effective timely protection and control, simultaneously send the display data and the state content and to working condition real-time preservation on this product's LCD screen with the text mode. And the communication chip also describes the working content and the fault type in a text mode and the direction address of the fire control equipment and sends the working content and the fault type and the direction address of the fire control equipment to a fire center computer in real time to display the state and alarm and store the working state and fault records. And the network integration unified management and control of fire pump control equipment in the whole area are realized.

Therefore, the fire pump control equipment has man-machine interaction and cooperative operation, improves the safety, reliability and management and control benefits of the fire pump control equipment, and reduces the operation and management cost. The communication adopts simple two-wire connection as a connection link, and the connection bus is connected to the USB interface of the computer, so that the integrated management and control functions of the intercommunication between the areas of the fire pump control equipment and the fire control center are realized. The large-capacity single chip microcomputer, the integrated module and the electronic element are adopted to replace traditional electric fittings, the assembling complex process of the fire pump control equipment is optimized, the production cost is directly reduced, and the production benefit and the equipment operation reliability are greatly improved. The fire pump control equipment is provided with a direct operation key and a Chinese character display interface and can send information to a computer of a fire control center through a communication function to display the working state of the fire pump control equipment. All the online equipment can be directly controlled, monitored and managed through a computer of the fire fighting center. The remote monitoring on-line fire pump control equipment is provided, and the reliability of emergency equipment is guaranteed. If the online fire pump control equipment fails, the standby equipment can be automatically switched to, and a report is sent to a fire center computer through a communication function, and the computer desktop displays the failure type, the address of the failed equipment and the equipment number in a text mode. Has the functions of working and fault recording. Such as: the fire pump control equipment can inquire at any time when the fire pump control equipment works in the year, month, day and time or when a fault occurs.

As described above, the above embodiments are not limiting embodiments of the present invention, and the electronic component parameter setting circuit shown in fig. 1 to 10 is preferably, but not limited to, employed in the present embodiment. Modifications or equivalent variations which may occur to those skilled in the art based on the essence of the present invention are within the technical scope of the present invention.

Claims (10)

1. A fire pump control apparatus, comprising: the main control system comprises a main control system processing circuit, a power supply processing circuit, a key circuit, an indicating circuit, an input circuit, an output circuit, a first sampling circuit, a second sampling circuit, a third sampling circuit, an information display circuit and a processing circuit;

the power supply processing circuit, the key circuit, the indicating circuit, the input circuit, the output circuit, the first sampling circuit, the second sampling circuit, the third sampling circuit, the information display circuit and the processing circuit are respectively connected with the main control system processing circuit.

2. A fire pump control apparatus as claimed in claim 1, wherein: the processing circuit of the main control system comprises an STM32F071VB high-capacity single chip and an AT24C02 storage chip which are electrically connected.

3. A fire pump control apparatus as claimed in claim 1, wherein: the key circuit is a product operation key circuit which comprises 16 tact switches and 8 diodes.

4. A fire pump control apparatus as claimed in claim 1, wherein: the indicating circuit is a product working state indicating circuit which comprises 13 chip resistors and 16 chip light-emitting diodes.

5. A fire pump control apparatus as claimed in claim 1, wherein: the input circuit is a remote control signal input circuit which comprises 4 patch exclusion, 4 optocoupler modules, 32 patch resistors and 16 patch diodes.

6. A fire pump control apparatus as claimed in claim 1, wherein: the output circuit is a master control output circuit which comprises 2 driving modules and 16 relays.

7. A fire pump control apparatus as claimed in claim 1, wherein: first sampling circuit is phase sequence and lacks looks detection sampling circuit, phase sequence and lack looks detection sampling circuit include 6 paster power resistance and 3 high-voltage resistant opto-couplers, 6 paster power resistance is used for the current-limiting and divides the partial pressure and then delivers 3 respectively high-voltage resistant opto-couplers.

8. A fire pump control apparatus as claimed in claim 1, wherein: the second sampling circuit is a voltage protection and detection sampling circuit, the voltage protection and detection sampling circuit comprises 1 voltage transformer, a rectifying circuit and a voltage division current limiting circuit, and the voltage transformer is electrically connected with the rectifying circuit and the voltage division current limiting circuit.

9. A fire pump control apparatus as claimed in claim 1, wherein: the third sampling circuit is a current signal sampling circuit, and the current signal sampling circuit comprises 3 current transformers, 6 chip resistors and 3 protection diodes.

10. A fire pump control apparatus as claimed in claim 1, wherein: the information display circuit is product function and sets up the information display circuit, product function and set up the information display circuit and include 1 display screen, the display screen is used for showing the function setting and the debugging and the working condition information display of product, processing circuit is communication processing circuit, communication processing circuit includes 1 communication chip, 3 protection tubes and 2 chip resistor.

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