CN215538049U - Fire-fighting water pump control cabinet linkage control box - Google Patents
Fire-fighting water pump control cabinet linkage control box Download PDFInfo
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- CN215538049U CN215538049U CN202121421393.5U CN202121421393U CN215538049U CN 215538049 U CN215538049 U CN 215538049U CN 202121421393 U CN202121421393 U CN 202121421393U CN 215538049 U CN215538049 U CN 215538049U
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Abstract
The application relates to the field of fire control switch boards, discloses a pump control cabinet coordinated control system, includes: external equipment, including pressure stabilizing pump, fire-fighting electric pump and diesel engine fire-fighting pump; the wire outlet end of the first wiring terminal row is connected with a coil part of an input intermediate relay; the input end of the programmable controller is connected with the signal end of the first wiring terminal row, the coil part of the intermediate relay and the pressure transmitting sensor, and the output end of the programmable controller is connected with the signal end of the second wiring terminal row and the coil part of the intermediate relay for output. The utility model can lead the operation of the fire-fighting system to be in an ideal state, find faults in time, automatically record working states, monitor and manage in a centralized way and has important significance for ensuring the stable operation of the fire-fighting system.
Description
Technical Field
The utility model relates to a fire pump control cabinet linkage control box.
Background
At present, the control starting cabinet that current fire pump control cabinet all started the independent operation of water pump according to the fire alarm signal, when a plurality of fire pump control cabinets emission together, does not have perfect coordinated control system and logic hookup, and when taking place the fire alarm, the unordered start-up of a plurality of fire pump probably makes the fire control water pipe network produce the danger of bursting.
Disclosure of Invention
An object of this application is to provide a fire pump switch board coordinated control case, can make fire extinguishing system's operation be in the state of ideal, in time discovers the trouble, and automatic recording operating condition, centralized monitoring and management.
The application discloses water pump control cabinet coordinated control system includes:
external equipment, including pressure stabilizing pump, fire-fighting electric pump and diesel engine fire-fighting pump;
the wire outlet end of the first wiring terminal row is connected with a coil part of an input intermediate relay;
the input end of the programmable controller is connected with the signal end of the first wiring terminal row, the coil part of the intermediate relay and the pressure transmitting sensor, and the output end of the programmable controller is connected with the signal end of the second wiring terminal row and the coil part of the intermediate relay for output;
the wire inlet end of the second wiring terminal row is connected with the switch part of the input intermediate relay; and the wire outlet end of the second wiring terminal row is connected with external equipment.
In a preferred example, the first connecting terminal row receives fault feedback signals of a voltage stabilizing pump, a fire-fighting electric pump and a diesel fire-fighting pump.
In a preferred embodiment, the first connecting terminal row receives operation feedback signals of a pressure stabilizing pump, a fire-fighting electric pump and a diesel engine fire-fighting pump.
In a preferred embodiment, the second connecting terminal controls the start and stop of the surge damping pump, the fire electric pump and the diesel fire pump.
In a preferred embodiment, the zero input port of the programmable controller is connected with the lower end of the contact of the eighth intermediate relay; the first input port is connected with the lower end of a ninth intermediate relay contact; the second input port is connected with the lower end of the tenth intermediate relay contact; the third input port is connected with the lower end of the contact of the eleventh intermediate relay; the fourth input port is connected with the lower end of the twelfth intermediate relay contact; the fifth input port is connected with the lower end of the contact of the thirteenth intermediate relay; the sixth input port is connected with the lower end of the contact of the fourteenth intermediate relay; the seventh input port is connected with the lower end of the main switch contact; the tenth input port is connected with the lower end of a contact of a fifteenth intermediate relay; the eleventh input port is connected with the lower end of the contact of the sixteenth intermediate relay; the twelfth input port is connected with the lower end of the contact of the seventeenth intermediate relay; the thirteenth input port is connected with the lower end of the contact of the eighteenth intermediate relay; the intermediate relays are input intermediate relays and are used for inputting feedback information to the programmable controller.
In a preferred embodiment, the X4 terminal row number 100 is connected with a coil part of an eighth intermediate relay and is used for collecting the operation feedback of the first fire-fighting electric pump; the X4 terminal row number 101 is connected with a coil part of a ninth intermediate relay and is used for collecting the operation feedback of the second fire-fighting electric pump; the X4 terminal row number 102 is connected to the coil part of the tenth relay for collecting the first fire fighting electric pump fault feedback.
In a preferred embodiment, the X4 terminal row number 103 is connected with a coil part of an eleventh intermediate relay and is used for collecting the fault feedback of the second fire-fighting electric pump; an X4 terminal row number 104 is connected with a coil part of a twelfth intermediate relay and is used for collecting the operation feedback of the diesel engine fire pump; the X4 terminal row number 105 is connected with a coil part of a thirteenth intermediate relay and is used for collecting fault feedback of the diesel engine fire pump; the X4 terminal row line number 106 is connected with a coil part of the fourteenth intermediate relay and is used for collecting fire alarm signals; the X4 terminal row number 107 is connected to the coil part of the fifteenth intermediate relay for collecting the first regulated pump fault feedback.
In a preferred embodiment, the X4 terminal row number 108 is connected with a coil part of a sixteenth intermediate relay and used for collecting the fault feedback of the second voltage stabilizing pump, the X4 terminal row number 109 is connected with a coil part of an eighteenth intermediate relay and used for collecting the operation feedback of the first voltage stabilizing pump, and the X4 terminal row number 121 is connected with a coil part of a seventeenth intermediate relay and used for collecting the operation feedback of the second voltage stabilizing pump.
In a preferred embodiment, a normally open switch of the first intermediate relay is connected to the first terminal and the third terminal and is used for starting the first fire-fighting electric pump; and a normally open switch of the second intermediate relay is connected to a fifth terminal and a seventh terminal of the terminal and is used for starting the second fire-fighting electric pump.
In a preferred embodiment, a normally open switch of the third intermediate relay is connected to the ninth terminal and the eleventh terminal and used for starting the diesel fire pump; a normally open switch of the fifth intermediate relay is connected to the seventeenth terminal and the nineteenth terminal and is used for stopping the diesel fire pump; and a normally open switch of the seventh intermediate relay is connected to the twenty-fifth terminal and the twenty-seventh terminal and used for fault alarm.
The fire pump control cabinet coordinated control case of this application can make fire extinguishing system's operation be in the state of ideal, in time discovers the trouble, and automatic recording operating condition, centralized monitoring and management have the significance to guaranteeing fire extinguishing system's steady operation.
The present specification describes a number of technical features distributed throughout the various technical aspects, and if all possible combinations of technical features (i.e. technical aspects) of the present specification are listed, the description is made excessively long. In order to avoid this problem, the respective technical features disclosed in the above summary of the utility model of the present application, the respective technical features disclosed in the following embodiments and examples, and the respective technical features disclosed in the drawings may be freely combined with each other to constitute various new technical solutions (which should be regarded as having been described in the present specification) unless such a combination of the technical features is technically infeasible. For example, in one example, the feature a + B + C is disclosed, in another example, the feature a + B + D + E is disclosed, and the features C and D are equivalent technical means for the same purpose, and technically only one feature is used, but not simultaneously employed, and the feature E can be technically combined with the feature C, then the solution of a + B + C + D should not be considered as being described because the technology is not feasible, and the solution of a + B + C + E should be considered as being described.
Drawings
FIG. 1 is a schematic connection diagram of the present invention;
FIG. 2 is a schematic view of an X4 wire terminal;
FIG. 3 is a schematic view of a terminal block
FIG. 4 is a schematic diagram of a secondary terminal output enable command;
KA1-KA 18: an intermediate relay.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the utility model can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
Worst water distribution point: if the water pressure of the water supply system can meet the required water pressure of a certain water distribution point, the pressure of other water utilization points in the system can be met, and the point is called as the worst water distribution point in the water supply system.
A fire pump: the water supply pump is used for ensuring the pressure and water quantity of a system in a fire water supply system. Because the fire pump generally adopts a motor driving mode, the fire pump, the fire electric pump and the electric pump have the same meaning in the utility model. The "1 # electric pump" and the "1 # pump" in this application are the "first fire pump", and the "2 # electric pump" and the "2 # pump" in this application are the "second fire pump".
Fire control steady voltage pump: the water supply pump is used for stabilizing the water pressure of the most unfavorable water distribution point of the system at ordinary times in a fire fighting water supply system, and the two pumps have different functions. The fire pump just enables when the conflagration, and the steady voltage pump is the pump that maintains the intraductal pressure, and the steady voltage pump that indicates has equal meaning with fire control steady voltage pump in this application. "1 # surge pump" in this application is "first surge pump", and "2 # surge pump" in this application is "second surge pump".
In the actual use process, if the whole power supply system of the electric fire pump in fire breaks out suddenly and the electric fire pump cannot be started. Once this is found, the losses are not quantifiable. Therefore, diesel fire pumps are also needed to meet the demand. The power of the diesel fire pump is generally larger than that of a common fire pump.
The utility model relates to three types of pumps, namely a pressure stabilizing pump, a fire pump (electric) and a diesel fire pump, and aims to start the pumps in order according to a certain priority order, so that a water supply system can supply water more stably, and the fire-fighting water pipe network is prevented from bursting due to disordered starting. The judgment standard of the pump starting is that the set pressure value is compared with the pressure value of the outlet end of the fire-fighting network acquired by the analog quantity module, the starting pressure is set to be the pressure stabilizing pump pressure, the fire-fighting electric pump and the diesel engine pump pressure, only one type of water pump is started in one priority, and for example, when the fire-fighting electric pump is started, the other two types of water pumps (the pressure stabilizing pump and the diesel engine fire pump) are stopped. The specific priority activation logic is:
(1) if the pressure value Plout of the outlet end is larger than the starting value Psteady voltage set by the steady voltage water pump, all the water pumps (the steady voltage pump, the fire-fighting electric pump and the diesel engine fire-fighting pump) are not started.
(2) If the pressure value Piutlet of the outlet end is smaller than the starting value Pstabilized voltage set by the stabilized pressure pump, and the pressure value Pstabilized voltage is started, and is greater than the pressure value Pstabilized voltage set by the fire-fighting electric pump, the fire-fighting electric pump is started, and then a signal for starting the stabilized pressure pump is sent.
In one embodiment, only one pressure stabilizing pump is provided, the pressure value Poutlet of the outlet end is smaller than the set starting value Pstabilizing pump of the pressure stabilizing pump, the pressure stabilizing pump is started, and the pressure stabilizing pump is started if the pressure value Poutlet of the outlet end is larger than the set starting value Pfire-fighting electric pump. In this embodiment, the feedback fault parameter of the pressure stabilizing pump may be further increased, and when the feedback fault parameter of the pressure stabilizing pump is received, the pressure stabilizing pump is considered to be faulty, and the next priority is entered. And further, increasing operation parameters, and when the operation parameters are received and the feedback fault parameters are not received, determining that the stabilized pressure pump is instructed to start but not operated, determining that the stabilized pressure pump has faults, and entering the next priority.
In another embodiment, there are two and more pressure maintaining pumps. And when the pressure value Poutlet of the outlet end is smaller than the starting value Pstabilized pressure pump set by the stabilized pressure pump and is larger than the starting value Pstabilized pressure pump set by the fire-fighting electric pump, sending a signal for starting any stabilized pressure pump. And further increasing feedback fault parameters and operation parameters of each pressure stabilizing pump, and when one pressure stabilizing pump is started, receiving the operation parameters and not receiving the feedback parameters, starting the other pressure stabilizing pump, and so on. And if all the voltage stabilizing pumps receive the feedback faults in sequence, entering the next priority. And further, increasing pressure parameters for starting a plurality of pressure stabilizing pumps, for example, starting one pressure stabilizing pump pressure parameter P pressure stabilizing pump to start 1, starting two pressure stabilizing pump pressure parameters P pressure stabilizing pump to start 2 … …, and starting n pressure stabilizing pump pressure parameters P pressure stabilizing pump to start n (n is a natural number greater than or equal to 2), wherein the starting value P pressure stabilizing pump set by the pressure stabilizing pump to start can be regarded as P pressure stabilizing pump to start 0. If the pressure value Plout of the outlet end is less than the set starting value Psteady pressure pump starting 0 and more than starting a pressure parameter Psteady pressure pump starting 1 of the steady pressure pump, starting one of the steady pressure pumps; and if the pressure value P outlet of the outlet end is smaller than the pressure parameter P of the starting pressure stabilizing pump for starting 1 and larger than the pressure parameter P of the starting pressure stabilizing pump for starting 2, starting two pressure stabilizing pumps and repeating the steps. Furthermore, when a plurality of pressure stabilizing pump pressure parameters and a fault feedback parameter of each pressure stabilizing pump are provided, the pressure stabilizing pump is started first, then the fault of each pressure stabilizing pump is judged, and if the fault occurs, other pressure stabilizing pumps are started.
(3) When the outlet pressure value Plout of exit end is less than the pressure value Pfire electric pump that fire electric pump started and is greater than the pressure value Pdiesel engine fire pump that diesel engine fire electric pump started and starts or not receive the running signal of the electricity pump that disappears when receiving fire alarm start signal and artifical start signal, then judge that the fire-fighting pipe network has great water demand, can judge that there is urgent fire to need to start fire electric pump or supply pipe network and reveal great, then send the signal of starting the fire pump.
In one embodiment, only one fire fighting electric pump is provided, the outlet pressure value pout is smaller than the set starting value of the fire fighting electric pump, the fire fighting electric pump is started, and the diesel fire fighting pump is started and is larger than the set starting value of the diesel fire fighting pump, and the fire fighting pump is started. Under this embodiment, can further increase the feedback fault parameter of this fire pump, when receiving fire pump feedback fault parameter, then think steady voltage pump trouble, then enter next priority. And further, increasing operation parameters, and when the operation parameters are received and the feedback fault parameters are not received, determining that the fire pump is instructed to start but the pressure stabilizing pump is not operated, determining that the fire pump has faults, and entering the next priority.
In another embodiment, there are two or more fire pumps. The outlet pressure value Plout of exit is less than the starting value P fire pump that fire pump set for and starts, is greater than the starting value P diesel engine fire pump that diesel engine fire pump set for and starts, then sends the signal of starting arbitrary fire pump. And further increasing feedback fault parameters and operation parameters of each fire pump, and when one fire pump is started, starting another fire pump when the operation parameters are received and the feedback parameters are not received, and the like. And if all the fire pumps receive the feedback faults in sequence, entering the next priority. Further, a plurality of fire-fighting pump pressure parameters are added and started, for example, one fire-fighting electric pump pressure parameter P fire-fighting electric pump is started for 1, two fire-fighting electric pump pressure parameters P fire-fighting electric pump is started for 2 … …, n fire-fighting electric pump pressure parameters P fire-fighting electric pump is started for n (n is a natural number greater than or equal to 2), and at this time, the starting value P fire-fighting electric pump set for the fire-fighting electric pump is started for 0. If the pressure value Poutlet at the outlet end is less than the set starting value P of the fire-fighting electric pump, starting the fire-fighting electric pump by 0 and more than the pressure parameter P of starting one fire-fighting electric pump, starting the fire-fighting electric pump by 1; if the pressure value P outlet of the outlet end is smaller than the pressure parameter P of the starting one fire-fighting electric pump, starting 1, and is larger than the pressure parameter P of the starting two fire-fighting electric pumps, starting 2, starting two of the fire-fighting electric pumps and repeating the steps. Furthermore, when the pressure parameters of a plurality of fire-fighting electric pumps and the fault feedback parameters of each fire-fighting electric pump are provided, the fire-fighting electric pumps are started firstly, then the fault of each fire-fighting electric pump is judged, and if the fault occurs, other fire-fighting electric pumps are started.
(4) When the outlet pressure value Pvent of the outlet end is smaller than the pressure value P of the diesel engine fire pump start, the diesel engine fire pump does not receive the operation feedback of the electricity consumption prevention pump when the fire alarm starting signal and the manual starting signal are received, the diesel engine fire pump is sent out to alarm and starts the diesel engine fire pump signal to the diesel engine fire control starting control cabinet, the diesel engine fire pump is started, after the start is successful, the pump can be manually stopped by manually confirming the field condition, and if the start fails, the alarm is sent to inform manual emergency treatment.
The logic is implemented by a hardware circuit, and mainly includes an external execution device, a Programmable Logic Controller (PLC), a first connection terminal block, and a second connection terminal block.
The external execution equipment comprises a pressure stabilizing pump, a fire-fighting electric pump and a diesel fire-fighting pump, and the pressure stabilizing pump, the fire-fighting electric pump and the diesel fire-fighting pump are respectively connected with the corresponding pump control cabinets.
The first wiring terminal strip is used for collecting actions of the fire control cabinets, the wire inlet end of the first wiring terminal strip is connected with signals of the external equipment control cabinet, and the wire outlet end of the first wiring terminal strip is connected with the coil part of the input intermediate relay.
The second wiring terminal discharge line is used for connecting external equipment, the inlet wire of the second wiring terminal row is respectively connected with the output port of the output intermediate relay, namely a switch, and the second wiring terminal outputs a starting command to each pump control cabinet.
The input end of the PLC is connected with the signal end of the first wiring terminal row and the output end of the input intermediate relay, namely a switch; the output terminal is connected to the signal terminal of the second terminal block and the coil part of the output intermediate relay.
The utility model takes two fire fighting electric pumps, two voltage stabilizing pumps and a diesel engine fire fighting pump as examples, and sets operation feedback and fault feedback to show the specific circuit connection.
As in fig. 1, the relevant connections for the PLC are shown, the PLC being connected to a 24V power supply and to a pressure transducer for pressure acquisition. PLC of this application PLC model of this application is 6ES7288-1SR40-0AA0, has 24 input ports and 16 output ports.
The upper ends of the L + connection KA8-18 and SA1 contacts of the PLC are connected, and the input port I0.0 is used for connecting the lower end of the KA8 contact of the eighth intermediate relay; the input port I0.1 is used for connecting the lower end of a contact of a ninth intermediate relay KA 9; the input port I0.2 is used for connecting the lower end of a contact of a tenth intermediate relay KA 10; the input port I0.3 is used for connecting the lower end of a contact of an eleventh intermediate relay KA 11; the input port I0.4 is used for connecting the lower end of a contact of a twelfth intermediate relay KA 12; the input port I0.5 is used for connecting the lower end of a contact of a thirteenth intermediate relay KA 13; the input port I0.6 is used for connecting the lower end of a contact of a fourteenth intermediate relay KA 14; the input port I0.7 is used for connecting the lower end of a contact of a main switch SA 1; the input port I1.0 is used for connecting the lower end of a contact of a fifteenth intermediate relay KA 15; the input port I1.1 is used for connecting the lower end of a contact of a sixteenth intermediate relay KA 16; the input port I1.2 is used for connecting the lower end of a contact of a seventeenth intermediate relay KA 17; the input port I1.3 is connected with the lower end of a contact of an eighteenth intermediate relay KA 18; the eighth intermediate relays KA8-K18 are all input intermediate relays for inputting feedback information to the PLC. The first wiring terminal row collects the action condition of the fire-fighting control cabinet, as shown in fig. 2 and 3, wherein a terminal 100 No. zero of X4 collects the operation feedback of the first fire-fighting electric pump; the X4 first terminal 101 collects the operation feedback of the second fire-fighting electric pump; collecting the fault feedback of the first fire-fighting electric pump by an X4 terminal line number 102; collecting the fault feedback of the second fire-fighting electric pump by an X4 terminal line number 103; an X4 terminal line number 104 collects the operation feedback of the diesel fire pump; an X4 terminal line arrangement number 105 is used for collecting fault feedback of a diesel engine fire pump; the X4 terminal row line number 106 collects fire alarm signals; collecting fault feedback of a first voltage stabilizing pump by an X4 terminal row number 107; the X4 terminal row number 108 collects second voltage stabilizing pump fault feedback, the X4 terminal row number 109 collects first voltage stabilizing pump operation feedback, and the X4 terminal row number 121 collects second voltage stabilizing pump operation feedback. The X4 terminal bus bar 100 is connected to the coil part of the eighth intermediate relay KA 8; the X4 terminal bus bar number 101 is connected with the coil part of the ninth intermediate relay KA 9; the X4 terminal bar number 102 is connected with the coil part of the tenth intermediate relay KA 10; the X4 terminal bar number 103 is connected to the coil portion of the eleventh intermediate relay KA11, the X4 terminal bar number 104 is connected to the coil portion of the twelfth intermediate relay KA12, the X4 terminal bar number 105 is connected to the coil portion of the thirteenth intermediate relay KA13, the X4 terminal bar number 106 is connected to the coil portion of the fourteenth intermediate relay KA14, the X4 terminal bar number 107 is connected to the coil portion of the fifteenth intermediate relay KA15, the X4 terminal bar number 108 is connected to the coil portion of the sixteenth intermediate relay KA16, the X4 terminal bar number 109 is connected to the coil portion of the eighteenth intermediate relay KA18, and the X4 terminal bar number 121 is connected to the coil portion of the seventeenth intermediate relay KA 17.
An output port Q0.0 at the lower end of the coil of the KA1-7 intermediate relay is connected with the N2 of the PLC and is used for connecting the upper end of the coil of the first intermediate relay KA 1; the output port Q0.1 is used for connecting the upper end of a coil of the second intermediate relay KA 2; the output port Q0.2 is used for connecting the upper end of a coil of the third intermediate relay KA 3; the output port Q0.3 is used for connecting the upper end of a coil of the fourth intermediate relay KA 4; the output port Q0.4 is used for connecting the upper end of a coil of the fifth intermediate relay KA 5; the output port Q0.5 is used for connecting the upper end of a coil of the sixth intermediate relay KA 6; and the output port Q0.6 is used for connecting the upper end of the coil of the seventh intermediate relay KA7 and connecting an alarm lamp in parallel. The second connection terminal bank outputs a starting command to each fire-fighting starting control cabinet to start the water pump, as shown in fig. 4, wherein a normally open switch of the first intermediate relay KA1 is connected to the first terminal 301 and the third terminal 303 to start the first fire-fighting electric pump; a normally open switch of the second intermediate relay KA2 is connected to the fifth terminal 305 and the seventh terminal 307 and is used for starting a second fire-fighting electric pump; a normally open switch of the third intermediate relay KA3 is connected to the ninth terminal 309 and the eleventh terminal 311 and is used for starting the diesel fire pump; a normally open switch of the fifth intermediate relay KA5 is connected to the seventeenth terminal 317 and the nineteenth terminal 319 and is used for stopping the diesel fire pump; the normally open switch of the seventh intermediate relay KA7 is connected to the twenty-fifth terminal 325 and the twenty-seventh terminal 327 for fault alarm.
The internal logic is implemented by PLC programming, which is known to those skilled in the art and will not be described in detail herein. The PLC can realize the logic operation of the application. Utilize PLC to gather the delivery port pressure (outlet end pressure), fire alarm start signal and the artifical start signal of fire extinguishing systems pipe network, system automatic analysis sends water pump start signal control switch board and gets into the fire control state, starts fire pump work according to setting for the pressure demand in proper order.
Additionally, the color touch screen is connected with the programmable control module PLC and used for setting the operating pressure of each pump, displaying the operating state of the water pump and recording the action information of the system, and the RS485 interface can be used for communicating to a remote system.
(1) And if the pressure value at the outlet end is greater than the set pressure-stabilizing water pump, all the water pumps are not started.
(2) And if the pressure value at the outlet end is smaller than the set starting value of the pressure stabilizing pump and is greater than the starting pressure value of the fire-fighting electric pump, sending a signal for starting any one fire-fighting pressure stabilizing pump. The output end Q0.4/0.5 of the programmable control module outputs voltage, a fifth intermediate relay KA5/KA6 coil is attracted, a closing point signal is output to a pressure stabilizing pump control cabinet to start a pressure stabilizing water pump, and the pressure stabilizing water pump is used for stabilizing the water supply pressure of a pipe network.
(3) When fire control pipe network outlet end pressure is less than start fire control charge pump pressure setting value or there is fire alarm start signal and artifical start signal, then judge that the fire control pipe network has great water demand, it is great to judge that there is urgent condition of a fire to need to start fire control charge pump or delivery pipe network reveal, programmable control module output Q0.0/0.1 voltage, first auxiliary relay KA1/2 coil actuation, send the warning and start fire control charge pump signal to fire control charge pump start control cabinet, start fire control charge pump, the steady voltage control cabinet that stops moving simultaneously.
(4) When the pressure value of the outlet end is smaller than the starting pressure value set by the diesel engine fire pump or a fire alarm starting signal and a manual starting signal exist, the output end Q0.2 of the programmable control module outputs a signal, so that the coil of the third intermediate relay KA3 is attracted, an alarm is sent, a diesel engine fire pump signal is started to the diesel engine fire control starting control cabinet, and the diesel engine fire pump is started.
Set for each item system parameter in the touch-sensitive screen, including the pressure range, steady voltage pump starting pressure value, fire control electric pump starting pressure value, diesel engine fire pump stop pressure value, start water pump time delay prevents malfunction judge time, after water pump fault judges parameters such as time delay, rotatory selector switch SA to the starting condition, start-up system.
The interrelation between the PLC and the terminal block X4 in the system is as follows:
the system collects 11 state signals (1# electric pump operation, 2# electric pump operation, 1# electric pump fault, 2# electric pump fault, diesel pump operation, diesel pump fault, fire alarm signal, 1# voltage stabilizing pump operation, 2# voltage stabilizing pump operation, 1# voltage stabilizing pump fault and 2# voltage stabilizing pump fault) of equipment to an X4 terminal row, the state signals are converted into 11 actions of intermediate relays KA8-KA18 through a circuit shown in a figure 3, and open contacts of 11 intermediate relays KA8-KA18 are PLC input signals and serve as input conditions of PLC program control; meanwhile, pressure signals detected by a system pressure sensor are introduced through X4 terminals 11 and 12 and are connected to an analog input end of the PLC to serve as input conditions of PLC program control; in summary, the X4 terminal strip is the input port of the whole system PLC control input signal.
The interrelationship of the PLC to the terminal block X2 within the system is as follows:
the system PLC is controlled by an internal program according to an input signal to control and output system equipment (a 1# electric pump, a 2# electric pump, a diesel engine pump, a 1# pressure stabilizing pump and a 2# pressure stabilizing pump) and fault alarm, start-stop signals output by the PLC control the actions of 7 intermediate relays KA1-KA7, open contacts of the 7 intermediate relays KA1-KA7 are connected to an X2 terminal row, and the X2 terminal row is connected to the equipment control; meanwhile, data in the PLC can be output through 485 communication, and a 485 communication line (A, B) is also connected to No. 15 and No. 16 terminals of the X2 terminal row; in summary, the X2 terminals are listed as the outlets and inlets of the PLC control output signals of the whole system.
In summary, PLC is the core of system control, X4 is the input port of PLC control input signal, and X2 is the output port of PLC control output signal.
It is noted that, in the present patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element. In the present patent application, if it is mentioned that a certain action is executed according to a certain element, it means that the action is executed according to at least the element, and two cases are included: performing the action based only on the element, and performing the action based on the element and other elements. The expression of a plurality of, a plurality of and the like includes 2, 2 and more than 2, more than 2 and more than 2.
This specification includes combinations of the various embodiments described herein. Separate references to "one embodiment" or a particular embodiment, etc., do not necessarily refer to the same embodiment; however, these embodiments are not mutually exclusive, unless indicated as mutually exclusive or as would be apparent to one of ordinary skill in the art. It should be noted that the term "or" is used in this specification in a non-exclusive sense unless the context clearly dictates otherwise.
All documents mentioned in this application are to be considered as being incorporated in their entirety into the disclosure of this application so as to be subject to modification as necessary. Further, it is understood that various changes or modifications, which are equivalent to those skilled in the art, may be made to the present application after reading the above disclosure of the present application.
Claims (10)
1. The utility model provides a water pump control cabinet coordinated control system which characterized in that includes:
external equipment, including pressure stabilizing pump, fire-fighting electric pump and diesel engine fire-fighting pump;
the wire outlet end of the first wiring terminal row is connected with a coil part of an input intermediate relay;
the input end of the programmable controller is connected with the signal end of the first wiring terminal row, the coil part of the intermediate relay and the pressure transmitting sensor, and the output end of the programmable controller is connected with the signal end of the second wiring terminal row and the coil part of the intermediate relay for output;
the wire inlet end of the second wiring terminal row is connected with the switch part of the input intermediate relay; and the wire outlet end of the second wiring terminal row is connected with external equipment.
2. The pump control cabinet linkage control system according to claim 1, wherein the first terminal block receives fault feedback signals of a surge pump, a fire electric pump and a diesel fire pump.
3. The pump control cabinet linkage control system according to claim 1, wherein the first terminal block receives operation feedback signals of a surge tank pump, a fire electric pump and a diesel fire pump.
4. The pump control cabinet linkage control system according to claim 1, wherein the second terminal controls starting and stopping of a surge tank pump, a fire pump and a diesel fire pump.
5. The pump control cabinet linkage control system according to claim 1, wherein a zero input port of the programmable controller is connected with the lower end of a contact of an eighth intermediate relay; the first input port is connected with the lower end of a ninth intermediate relay contact; the second input port is connected with the lower end of the tenth intermediate relay contact; the third input port is connected with the lower end of the contact of the eleventh intermediate relay; the fourth input port is connected with the lower end of the twelfth intermediate relay contact; the fifth input port is connected with the lower end of the contact of the thirteenth intermediate relay; the sixth input port is connected with the lower end of the contact of the fourteenth intermediate relay; the seventh input port is connected with the lower end of the main switch contact; the tenth input port is connected with the lower end of a contact of a fifteenth intermediate relay; the eleventh input port is connected with the lower end of the contact of the sixteenth intermediate relay; the twelfth input port is connected with the lower end of the contact of the seventeenth intermediate relay; the thirteenth input port is connected with the lower end of the contact of the eighteenth intermediate relay; the intermediate relays are input intermediate relays and are used for inputting feedback information to the programmable controller.
6. The pump control cabinet linkage control system according to claim 1, wherein an X4 terminal row number 100 is connected to a coil portion of an eighth relay for collecting operation feedback of the first fire electric pump; the X4 terminal row number 101 is connected with a coil part of a ninth intermediate relay and is used for collecting the operation feedback of the second fire-fighting electric pump; the X4 terminal row number 102 is connected to the coil part of the tenth relay for collecting the first fire fighting electric pump fault feedback.
7. The pump control cabinet linkage control system according to claim 1, wherein an X4 terminal row number 103 is connected with a coil part of an eleventh intermediate relay for collecting fault feedback of the second fire-fighting electric pump; an X4 terminal row number 104 is connected with a coil part of a twelfth intermediate relay and is used for collecting the operation feedback of the diesel engine fire pump; the X4 terminal row number 105 is connected with a coil part of a thirteenth intermediate relay and is used for collecting fault feedback of the diesel engine fire pump; the X4 terminal row line number 106 is connected with a coil part of the fourteenth intermediate relay and is used for collecting fire alarm signals; the X4 terminal row number 107 is connected to the coil part of the fifteenth intermediate relay for collecting the first regulated pump fault feedback.
8. The pump control cabinet linkage control system according to claim 1, wherein an X4 terminal row number 108 is connected with a coil part of a sixteenth intermediate relay for collecting second stabilized pump fault feedback, an X4 terminal row number 109 is connected with a coil part of an eighteenth intermediate relay for collecting first stabilized pump operation feedback, and an X4 terminal row number 121 is connected with a coil part of a seventeenth intermediate relay for collecting second stabilized pump operation feedback.
9. The pump control cabinet linkage control system according to claim 1, wherein a normally open switch of the first intermediate relay is connected to the first terminal and the third terminal, and is used for starting the first fire-fighting electric pump; and a normally open switch of the second intermediate relay is connected to a fifth terminal and a seventh terminal of the terminal and is used for starting the second fire-fighting electric pump.
10. The pump control cabinet linkage control system according to claim 1, wherein a normally open switch of a third intermediate relay is connected to a ninth terminal and an eleventh terminal for starting a diesel fire pump; a normally open switch of the fifth intermediate relay is connected to the seventeenth terminal and the nineteenth terminal and is used for stopping the diesel fire pump; and a normally open switch of the seventh intermediate relay is connected to the twenty-fifth terminal and the twenty-seventh terminal and used for fault alarm.
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| CN202121421393.5U CN215538049U (en) | 2021-06-24 | 2021-06-24 | Fire-fighting water pump control cabinet linkage control box |
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| CN202121421393.5U CN215538049U (en) | 2021-06-24 | 2021-06-24 | Fire-fighting water pump control cabinet linkage control box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116370881A (en) * | 2023-04-10 | 2023-07-04 | 华能(福建)能源开发有限公司福州分公司 | Fire-fighting water multi-pump joint cooperative control method and device |
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2021
- 2021-06-24 CN CN202121421393.5U patent/CN215538049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116370881A (en) * | 2023-04-10 | 2023-07-04 | 华能(福建)能源开发有限公司福州分公司 | Fire-fighting water multi-pump joint cooperative control method and device |
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