CN209668750U - A kind of automatic constant-pressure tank service truck of PLC control - Google Patents

Abstract

The utility model discloses a kind of automatic constant-pressure tank service trucks of PLC control, including driver's cabin, the right end of the driver's cabin is fixedly connected with vehicle frame, the upper end of the vehicle frame is fixedly connected with oil storage tank, the upper end of the oil storage tank is fixedly connected sequentially from left to right two-way oil transfer pump and oil outlet, connecting tube is provided between the oil outlet and two-way oil transfer pump input end, and the lower end of connecting tube passes through oil outlet and extends in oil storage tank, the two-way oil transfer pump outlet end is fixedly connected with refueling nozzle, controller is fixedly connected in the driver's cabin, CPU module is fixedly connected in the controller, closed loop control module, Analog input mModule, digital quantity input/output module and analog output module, the controller front end is fixedly connected with communication interface.The automatic constant-pressure tank service truck of PLC control, adjusts two-way oil transportation revolution speed, realizes the function of automatic oiling, is continually and steadily that mobile power station provides fuel, easy to operate, does not need additional increase personnel.

Description

A kind of automatic constant-pressure tank service truck of PLC control

Technical field

The utility model relates to tank service truck technical field, specially a kind of automatic constant-pressure tank service truck of PLC control.

Background technique

Large-scale Mobile power station refers to the temporary power dress applied to key areas such as urban electric power emergency guarantee, medical services It sets, performance is stablized, to the adaptable of natural environment.

Since Large-scale Mobile power station is using aircraft gas turbines repacking, fuel consumption is very big, about 450L/h, and Vehicular Gas Turbine Generating Units fuel tank generally at most can not only be able to satisfy the demand of continued power, In with the fuel oil of 1000L Must configure a tank service truck in actual use, but existing tank service truck when refueling, there are complex for operation step, oil pressure not Stablize and need additional the shortcomings that increasing Oil supplier.

Utility model content

The purpose of this utility model is to provide a kind of automatic constant-pressure tank service trucks of PLC control, to solve above-mentioned background skill It proposes that complex for operation step, oil pressure is unstable in art and needs additional the problem of increasing Oil supplier.

To achieve the above object, the utility model provides the following technical solutions: a kind of automatic constant-pressure oiling of PLC control Vehicle, including driver's cabin, the right end of the driver's cabin are fixedly connected with vehicle frame, and the upper end of the vehicle frame is fixedly connected with oil storage tank, The upper end of the oil storage tank is fixedly connected sequentially from left to right two-way oil transfer pump and oil outlet, the oil outlet and two-way oil transportation Connecting tube is provided between pump inlet end, and the lower end of connecting tube passes through oil outlet and extends in oil storage tank, the two-way oil transfer pump Outlet end is fixedly connected with refueling nozzle, and controller is fixedly connected in the driver's cabin, is fixedly connected with CPU in the controller Module, closed loop control module, Analog input mModule, digital quantity input/output module and analog output module, the control Device front end is fixedly connected with communication interface.

Preferably, the oil storage tank is cylindrical structure, and the capacity of oil storage tank is 5000L.

Preferably, the minimum point of the connecting tube is equal to the minimum point of oil storage tank.

Preferably, the controller and two-way oil transfer pump, CPU module, closed loop control module, Analog input mModule, number Word amount input/output module, communication interface and analog output module are to be electrically connected.

Preferably, the programming language of the controller is matched using ladder diagram, statement list and functional diagram standard STEP7 software package The three kinds of basic programming languages set.

Preferably, the controller forms automatic constant-pressure by ladder diagram, statement list and functional diagram standard STEP7 software package Oil transportation control system.

Compared with prior art, the utility model has the beneficial effects that the automatic constant-pressure tank service truck of PLC control, existing On the basis of some tank service trucks, addition controller, CPU module, closed loop control module, Analog input mModule, number have been carried out The change for measuring input/output module, communication interface and analog output module, passes through controller, CPU module, closed-loop control mould Block, Analog input mModule, digital quantity input/output module, communication interface and analog output module are used cooperatively, and are formed Automatic constant-pressure oil transportation control system, refuel when according to two-way oil transportation pump discharge operating pressure actually required be target value, adjust Two-way oil transportation revolution speed is saved, to control fuel transfer pressure, realizes the function of automatic oiling, a key operation is continually and steadily movement Power station provides fuel, easy to operate, does not need additional increase personnel.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model operating procedure flow chart；

Fig. 3 is the utility model controller hardware composed structure schematic diagram；

Fig. 4 is the utility model automatic constant-pressure oil transportation control system flow chart.

In figure: 1, driver's cabin；2, vehicle frame；3, oil storage tank；4, two-way oil transfer pump；5, oil outlet；6, connecting tube；7, it refuels Rifle；8, controller；9, CPU module；10, closed loop control module；11, Analog input mModule；12, digital quantity input and output mould Block；13, communication interface；14, analog output module.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of automatic constant-pressure tank service truck of PLC control, packet Include driver's cabin 1, vehicle frame 2, oil storage tank 3, two-way oil transfer pump 4, oil outlet 5, connecting tube 6, refueling nozzle 7, controller 8, CPU module 9, Closed loop control module 10, Analog input mModule 11, digital quantity input/output module 12, communication interface 13 and analog output mould Block 14, the right end of driver's cabin 1 are fixedly connected with vehicle frame 2, and the upper end of vehicle frame 2 is fixedly connected with oil storage tank 3, the upper end of oil storage tank 3 Being fixedly connected sequentially from left to right has two-way oil transfer pump 4 and oil outlet 5, is provided between 4 input end of oil outlet 5 and two-way oil transfer pump Connecting tube 6, and the lower end of connecting tube 6 passes through oil outlet 5 and extends in oil storage tank 3, two-way 4 outlet end of oil transfer pump is fixedly connected with Refueling nozzle 7 is fixedly connected with controller 8 in driver's cabin 1, CPU module 9, closed loop control module is fixedly connected in controller 8 10, Analog input mModule 11, digital quantity input/output module 12 and analog output module 14,8 front end of controller is fixed to be connected Be connected to communication interface 13, controller 8 and two-way oil transfer pump 4, CPU module 9, closed loop control module 10, Analog input mModule 11, Digital quantity input/output module 12, communication interface 13 and analog output module 14 are to be electrically connected, the model of controller 8 S7-300, the model S7-300CPU313C of CPU module 9, the model FM355 four-way of closed loop control module 10, analog quantity The model 6ES7331 of input module 11 eight, model 6ES7321,322 sixteen bits of digital quantity input/output module 12, The model MPI interface of communication interface 13, the model 6ES7332 of analog output module 14 tetra-, at this to these zero The mounting structure and circuit connection of part are not described in detail；

Further, oil storage tank 3 is cylindrical structure, and the capacity of oil storage tank 3 is 5000L, by the way that 5000L capacity is arranged Oil storage tank 3 ensure mobile power station can continuously uninterruptedly for power about 12 hours, improve the working efficiency of mobile power station；

Further, the minimum point of connecting tube 6 is equal to the minimum point of oil storage tank 3, it is ensured that by connecting tube 6 by oil storage tank 3 Interior fuel all extracts clean；

Further, controller 8 and CPU module 9, closed loop control module 10, Analog input mModule 11, digital quantity input Output module 12, communication interface 13 and analog output module 14 are to be electrically connected, and pass through CPU module 9, closed loop control module 10, Analog input mModule 11, digital quantity input/output module 12, communication interface 13 and analog output module 14 and controller 8 be used cooperatively, is convenient for through 8 one key operation of controller, structure is simple, easy to use；

Further, the programming language of controller 8 is matched using ladder diagram, statement list and functional diagram standard STEP7 software package The three kinds of basic programming languages set, ladder diagram, statement list and functional diagram standard STEP7 software package are standardized Communication skills, It is instructed for being issued to controller 8；

Further, controller 8 forms automatic constant-pressure by ladder diagram, statement list and functional diagram standard STEP7 software package Oil transportation control system realizes the function of automatic oiling by automatic constant-pressure oil transportation control system.

Working principle: the liquidometer in mobile power station fuel tank is connected with controller 8 first, then as shown in Figure 1, removing Refueling nozzle 7 is put into mobile power station fuel tank, starts two-way oil transfer pump 4 by the controller 8 in driver's cabin 1, will be in oil storage tank 3 Fuel is sent into mobile power station fuel tank from connecting tube 6, oil outlet 5, two-way oil transfer pump 4 and refueling nozzle 7, as shown in figure 4, in determination Under the premise of two-way 4 outlet pressure target value of oil transfer pump, fuel transfer pressure target value is set by automatic constant-pressure oil transportation control system, After fuel transfer pressure deviates the target of setting, the target value for adjusting given rotating speed goes that direct current generator is varied and controlled, and makes oil transportation Pressure comes back in fuel transfer pressure target value, then in the liquidometer real-time monitoring mobile power station fuel tank in mobile power station fuel tank Liquid level, determine after filling it up with, level gauge is fed to controller 8, and controller 8 closes two-way oil transfer pump 4, stop refueling, when When liquid level in mobile power station fuel tank drops to preset value, liquidometer feeds back to controller 8 again, and controller 8 starts two-way defeated Oil pump 4, repetitive operation is until emptying in oil storage tank 3.

Finally it should be noted that the above content is only to illustrate the technical solution of the utility model, rather than it is practical to this The limitation of novel protected range, those skilled in the art to the technical solution of the utility model carry out it is simple modification or Person's equivalent replacement, all without departing from the spirit and scope of technical solutions of the utility model.

Claims (6)

1. a kind of automatic constant-pressure tank service truck of PLC control, including driver's cabin (1), it is characterised in that: the right side of the driver's cabin (1) End is fixedly connected with vehicle frame (2), and the upper end of the vehicle frame (2) is fixedly connected with oil storage tank (3), the upper end of the oil storage tank (3) Being fixedly connected sequentially from left to right has two-way oil transfer pump (4) and oil outlet (5), the oil outlet (5) and two-way oil transfer pump (4) into Mouth is provided with connecting tube (6) between end, and the lower end of connecting tube (6) passes through oil outlet (5) and extends in oil storage tank (3), described double It is fixedly connected with refueling nozzle (7) to oil transfer pump (4) outlet end, is fixedly connected with controller (8) in the driver's cabin (1), it is described It is defeated that CPU module (9), closed loop control module (10), Analog input mModule (11), digital quantity are fixedly connected in controller (8) Enter output module (12) and analog output module (14), controller (8) front end is fixedly connected with communication interface (13).

2. a kind of automatic constant-pressure tank service truck of PLC control according to claim 1, it is characterised in that: the oil storage tank (3) For cylindrical structure, and the capacity of oil storage tank (3) is 5000L.

3. a kind of automatic constant-pressure tank service truck of PLC control according to claim 1, it is characterised in that: the connecting tube (6) Minimum point be equal to oil storage tank (3) minimum point.

4. a kind of automatic constant-pressure tank service truck of PLC control according to claim 1, it is characterised in that: the controller (8) With two-way oil transfer pump (4), CPU module (9), closed loop control module (10), Analog input mModule (11), digital quantity input and output Module (12), communication interface (13) and analog output module (14) are to be electrically connected.

5. a kind of automatic constant-pressure tank service truck of PLC control according to claim 1, it is characterised in that: the controller (8) Programming language using ladder diagram, statement list and functional diagram standard STEP7 software package configuration three kinds of basic programming languages.

6. a kind of automatic constant-pressure tank service truck of PLC control according to claim 5, it is characterised in that: the controller (8) Automatic constant-pressure oil transportation control system is formed by ladder diagram, statement list and functional diagram standard STEP7 software package.