CN202181207U - Submersible pump type oiling machine frequency-conversion hydraulic control system - Google Patents
Submersible pump type oiling machine frequency-conversion hydraulic control system Download PDFInfo
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- CN202181207U CN202181207U CN2011202269902U CN201120226990U CN202181207U CN 202181207 U CN202181207 U CN 202181207U CN 2011202269902 U CN2011202269902 U CN 2011202269902U CN 201120226990 U CN201120226990 U CN 201120226990U CN 202181207 U CN202181207 U CN 202181207U
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- submersible pump
- control system
- hydraulic control
- oil gun
- frequency
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Abstract
The utility model relates to a control system of a submersible pump type oiling machine frequency-conversion hydraulic control system, which comprises a submersible pump, a motor which drives the submersible pump, at least one oil gun hydraulic control system connected with the submersible pump and a submersible pump frequency-conversion controller in signal connection with the motor. Oil guns in each oil gun hydraulic control system is in signal connection with corresponding control mainboards, and the mainboards in each oil gun hydraulic control system is in signal connection with the submersible pump frequency-conversion controller. By means of the system, efficiency of the pump is improved, oil pressure in oil pipes is reduced, turbulent flow is avoided, and performance of the whole oiling system is improved.
Description
Technical field
The utility model relates to a kind of hydraulic control system of submersible pump type fuel charger list pump multiple gun, particularly a kind of variable frequency hydraulic control system of submersible pump type fuel charger list pump multiple gun.
Background technology
The self-priming fuel charger suction journey that the tradition petrol service station adopts is little; Oil transportation is apart from weak point, and oil pipeline increases with oil gun number of variations quantity, and is prone to produce cavitation; The design of petrol service station also receives certain restriction through regular meeting, is difficult to satisfy the novel oil remote gas filed requirement in station of modernization.And adopt the malleation oil transportation of oil tank installing submersible pump technological, but can well overcome above problem, thereby be applied to more and more widely among the construction of petrol service station.
Adopted the fuel charger of submersible pump malleation oil transportation technology to be commonly referred to as submersible pump type fuel charger, the structured flowchart of its hydraulic control system is as shown in Figure 1.The principle of work of this hydraulic control system is: when nozzle was not raised, power supply was in dissengaged positions; When proposing the rifle oiling, control main board zero clearing telltale sends a control signal (carrying the rifle signal) simultaneously; Deliver to the submersible pump control capsule (submersible pump control AC contactor) of switch board, start submersible pump, through the pressure of submersible pump work generation; Fluid is delivered to fuel charger, flow through essential oil filter, electromagnetic valve, check valve, get into separately FL/MTR (only illustrates the situation of a nozzle among Fig. 1; The situation of many nozzles is similar), flow out through oil sight device, oil gun again, give the user; Gas filed FL/MTR simultaneously also drives coder rotation separately, sends coded pulse signal and gives control main board, and mainboard is counted this signal, and shows through indicating device.
Because the pumpability of submersible pump is more intense, its delivery rate is very big, thus generally all be that a pump supplies multiple gun to refuel, but in refueling process, the rotating speed of the pump motor of diving is invariable.When refueling at the oil station, we run into through regular meeting and only use a rifle or two rifle gas filed situation, submersible pump full speed running still in the case, and the situation that this just forms low load with strong power causes the waste of energy.Simultaneously because oil gun mouth valve opening is limited; The Peak Flow Rate that allows will be much smaller than the pumping flow velocity of submersible pump this moment; Cause the fluid in the pumping all to suppress in pipeline, increased the pressure of pipe interior, also make single rifle gas filed flow velocity increase; Cause the vaporization of fluid more serious, environment is caused bad influence especially.
Because the submersible pump malleation adds the technology trends that oil tech is China's petrol service station, therefore running and the hydraulic efficiency pressure system thereof to submersible pump is optimized design, just seems necessary to remedy the deficiency that submersible pump exists.The situation that has the designer to be directed against the submersible pump energy dissipation has designed the variable frequency control pattern; But this variable frequency control pattern has only been gathered the use bar number of nozzle; Saving to energy is limited; And do not consider the influence of the vapor pressure of fluid to oil pipeline also far can not reach the requirement of modernized novel petrol service station.
The utility model content
The purpose of the utility model is to overcome the shortcoming of prior art, and a kind of submersible pump type fuel charger variable frequency hydraulic control system is provided.Through the rotating speed of converter technique control submersible pump, so control oiling flow velocity, the regular rotating speed that changes submersible pump in refueling process changes flow rate of liquid simultaneously, prevents turbulent flow, reduces the waste of power that pipeline transports, and it is energy-conservation to reach the pipeline transportation.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of submersible pump type fuel charger variable frequency hydraulic control system, comprise submersible pump, drive submersible pump motor and with at least one oil gun hydraulic control system of submersible pump bonded assembly; Wherein the oil gun hydraulic control system connects to form as follows: essential oil filter, electromagnetic valve, check valve, FL/MTR, oil sight device and oil gun are connected successively; FL/MTR also is connected with coder, control main board and indicating device successively; It is characterized in that, also comprise and motor signal bonded assembly submersible pump frequency-variable controller; Oil gun in said each oil gun hydraulic control system is connected with its cooresponding control main board signal, and the control main board in said each oil gun hydraulic control system is connected with submersible pump frequency-variable controller signal.
More particularly, said submersible pump frequency-variable controller employing model is the dsp chip of TIC30F2010.
The control method of above-mentioned submersible pump type fuel charger variable frequency hydraulic control system is characterized in that, comprises the steps:
The first step, that gathers each oil gun of linking to each other with submersible pump type fuel charger simultaneously mentions signal and flow signal;
In second step, judge the oil gun quantity that is raised and begun gas filed oil gun quantity;
In the 3rd step, the motor of controlling the drive submersible pump according to the judged result in second step is according to the frequency operation of setting.
More particularly, said each oil gun of first step collection mention that signal is meant that each control main board in the submersible pump type fuel charger hydraulic control system was sent when gathering oil gun was raised carry the rifle signal; The flow signal of said each oil gun of collection is meant the coded pulse signal of gathering with each oil gun bonded assembly coder.
Judge in said second step that the oil gun quantity that is raised is meant the number of carrying the rifle signal that the statistics control main board is sent to submersible pump; Said judgement has begun gas filed oil gun quantity and has been meant that statistics sent the number of the coder of coded pulse signal to control main board.
The motor that the described judged result control according to second step of the 3rd step drives submersible pump is meant one of following two kinds of situations according to the frequency operation of setting: the result that (1) is judged is oil gun quantity＞0 that is raised and begun gas filed oil gun quantity=0 o'clock, drives the frequency operation of the motor of submersible pump with 15-20Hz; (2) result who judges is oil gun quantity＞0 that is raised and has begun gas filed oil gun quantity＞0 o'clock that the motor running frequency that drives submersible pump is the cooresponding frequency of 38L/min for the flow that has begun each nozzle of gas filed.
Plant situation described (2), drive the running frequency of the motor of submersible pump, whenever change once at a distance from one-period, make the motor running frequency on the basis of said respective frequencies earlier on the back down or the 1-2Hz that fluctuates that gets on, get off.
Said every separated one-period is meant every at a distance from 10～20s.
The principle of design of the utility model is: the principle of work by submersible pump type fuel charger can be known; When proposing the rifle oiling, the control main board of fuel charger can be sent a control signal, to start submersible pump (from translator); Begin to refuel, we are referred to as to carry the rifle signal this control signal.And FL/MTR drives coder and rotates when refueling, and sends coded pulse signal and gives control main board, for counting with show that we are referred to as flow signal this coded pulse signal.The utility model this two signals of sampling simultaneously, through analytical sampling to carry the rifle signal and judge whether have oil gun to be raised this moment, analytical sampling to flow signal be used for then judging whether the oil gun of mentioning this moment has begun to refuel.The submersible pump frequency-variable controller rotates according to the suitable frequency drives submersible pump of judged result output then; Thereby make the rotating speed of submersible pump and the quantity and the required flow rate of oiling oil gun be complementary, realize that finally the pumping flow velocity of submersible pump and oil gun outlet overall flow rate are complementary.In addition, owing to refuel the too fast vaporization that can accelerate fluid of flow velocity, and international standard is that gasoline list rifle refuels flow velocity and is not more than 38L/min (10 gallons of principles), therefore to the control of submersible pump rotating speed, should make the flow velocity of its corresponding rifle be not more than 38L/min.The requirement of oiling flow velocity can be satisfied like this, the fluid vaporization can be reduced again.In refueling process, also want the rotating speed of (like 10-20s) change submersible pump regularly simultaneously, the flowing velocity with regular change liquid prevents turbulent flow, reduces the waste of power of pipeline transportation.
The utility model has following advantage and effect with respect to prior art:
1, the variable frequency hydraulic control method and the control system of the submersible pump type fuel charger of the utility model; Gather simultaneously and carry rifle signal and flow signal; Can judge the mode of operation of nozzle more exactly, more exactly the electric machine frequency that drives submersible pump controlled, more energy-conservation; And since by sampled signal be fuel charger itself all, so signal sampling makes things convenient for, it is with low cost to sample.
2, the variable frequency hydraulic control method and the control system of the submersible pump type fuel charger of the utility model; Rotating speed through converter technique control submersible pump makes that the pumping flow velocity is controlled, and then has realized the control to the oiling flow velocity; Also therefore can under 10 gallons principle, regulate pump flow speed; Thereby reduce the volatilization of fluid, reduce exhaust of oil, also alleviate pollution simultaneously environment.
3, the variable frequency hydraulic control method and the control system of the submersible pump type fuel charger of the utility model; Realized that the rotating speed of submersible pump and the quantity of oiling oil gun are complementary, promptly the quantity along with the oiling oil gun reduces or increases, correspondingly the rotating speed of reduction or lifting submersible pump; Let the pumping flow velocity of submersible pump and the flow velocity of actual demand mate each other; With the idle work that maximum minimizing submersible pump is done, improve the efficient of pump, reach purpose of energy saving; Also can reduce simultaneously the oil pressure in the oil pipe, the stability and the safety that have improved whole fuel loading system.
4, the variable frequency hydraulic control method and the control system of the submersible pump type fuel charger of the utility model have prevented the generation of turbulent flow in the refueling process, have reduced the waste of power of pipeline transportation.
Description of drawings
Fig. 1 is the structural representation of existing submersible pump type fuel charger hydraulic control system;
Fig. 2 is the structural representation of the submersible pump type fuel charger variable frequency hydraulic control system of the utility model.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the embodiment of the utility model is not limited thereto.
Embodiment
The structure of a kind of submersible pump type fuel charger variable frequency hydraulic control system of the utility model is as shown in Figure 2, comprise the submersible pump that is arranged in the oil tank, the motor (normally submersible pump is from translator) that drives submersible pump and with at least one oil gun hydraulic control system of submersible pump bonded assembly; Wherein the oil gun hydraulic control system connects to form as follows: essential oil filter, electromagnetic valve, check valve, FL/MTR, oil sight device and oil gun are connected successively, and submersible pump is connected with the essential oil filter; FL/MTR also is connected with coder, control main board and indicating device successively; Also comprise and motor signal bonded assembly submersible pump frequency-variable controller; Oil gun in each oil gun hydraulic control system is connected with its cooresponding control main board signal; Control main board in each oil gun hydraulic control system is connected with submersible pump frequency-variable controller signal, and it is the dsp chip of TIC30F2010 that the submersible pump frequency-variable controller adopts model.
The control method of above-mentioned submersible pump type fuel charger variable frequency hydraulic control system is such:
The first step, that gathers each oil gun of linking to each other with submersible pump type fuel charger simultaneously mentions signal and flow signal; Gather each oil gun mention that signal is meant that each control main board in the submersible pump type fuel charger hydraulic control system was sent when gathering oil gun was raised carry the rifle signal; The flow signal of gathering each oil gun is meant the coded pulse signal of gathering with each oil gun bonded assembly coder.
In second step, judge the oil gun quantity that is raised and begun gas filed oil gun quantity; Judge that the oil gun quantity that is raised is meant the number of carrying the rifle signal that the statistics control main board is sent to submersible pump; Judge that begun gas filed oil gun quantity is meant that statistics sent the number of the coder of coded pulse signal to control main board.
The 3rd step; Judged result control according to second step drives the frequency operation of the motor of submersible pump according to setting; Be meant one of following two kinds of situations: the result that (1) is judged is oil gun quantity＞0 that is raised and begun gas filed oil gun quantity=0 o'clock, drives the frequency operation of the motor of submersible pump with 15-20Hz; (2) result who judges is oil gun quantity＞0 that is raised and has begun gas filed oil gun quantity＞0 o'clock that the motor running frequency that drives submersible pump is the cooresponding frequency of 38L/min for the flow that has begun each nozzle of gas filed.
Plant situation described (2), drive the running frequency of the motor of submersible pump, whenever change once at a distance from 10～20s, make the motor running frequency on the basis of said respective frequencies earlier on the back 1-2Hz that fluctuates that perhaps gets on, get off down.More particularly, when carrying rifle, control main board is sent and is carried the rifle signal to the submersible pump frequency-variable controller; Prompting existing oil gun this moment is raised; The submersible pump frequency-variable controller is just exported a lower frequency (overflow frequency), 15-20Hz for example, and control driven by motor submersible pump is with than low-speed running; Sample the simultaneously flow signal of each oil gun; Judge according to the quantity of the flow signal that samples and to mention this moment and begun gas filed oil gun quantity; Thereby output correspondent frequency (oiling frequency) drive motor drives the submersible pump running, and the pumping flow velocity of submersible pump and total oiling flow velocity of all oil gun mouths are complementary, if promptly a rifle is refueling; Then export a suitable oiling frequency drives submersible pump, make the pumping flow velocity less than and approach 38L/min; If rifle two is then exported another and is refueled the frequency drives submersible pump, make the pumping flow velocity less than and approach 76L/min; By that analogy.Simultaneously in refueling process; (like 10-20s) changes in this refuels the neighborhood of frequency and refuels the size (even refuel frequency on said respective frequencies or down regularly earthwave is moving in the scope of 1-2Hz) of frequency termly; Reach and prevent turbulent flow, the purpose of minimizing pipeline transportation loss.
The collection of above-mentioned two kinds of signals is dynamically to carry out by the cycle of setting.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (2)
1. submersible pump type fuel charger variable frequency hydraulic control system, comprise submersible pump, drive submersible pump motor and with at least one oil gun hydraulic control system of submersible pump bonded assembly; Wherein the oil gun hydraulic control system connects to form as follows: essential oil filter, electromagnetic valve, check valve, FL/MTR, oil sight device and oil gun are connected successively; FL/MTR also is connected with coder, control main board and indicating device successively; It is characterized in that, also comprise and motor signal bonded assembly submersible pump frequency-variable controller; Oil gun in said each oil gun hydraulic control system is connected with its cooresponding control main board signal, and the control main board in said each oil gun hydraulic control system is connected with submersible pump frequency-variable controller signal.
2. submersible pump type fuel charger variable frequency hydraulic control system according to claim 1 is characterized in that, it is the dsp chip of TIC30F2010 that said submersible pump frequency-variable controller adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202269902U CN202181207U (en) | 2011-06-30 | 2011-06-30 | Submersible pump type oiling machine frequency-conversion hydraulic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202269902U CN202181207U (en) | 2011-06-30 | 2011-06-30 | Submersible pump type oiling machine frequency-conversion hydraulic control system |
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| Publication Number | Publication Date |
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| CN202181207U true CN202181207U (en) | 2012-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202269902U Expired - Fee Related CN202181207U (en) | 2011-06-30 | 2011-06-30 | Submersible pump type oiling machine frequency-conversion hydraulic control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336385A (en) * | 2011-06-30 | 2012-02-01 | 华南理工大学 | Submersible pump type oiling machine variable-frequency hydraulic control system and control method of the same |
| CN111637350A (en) * | 2020-06-17 | 2020-09-08 | 中冶宝钢技术服务有限公司 | Ration gives fat car |
-
2011
- 2011-06-30 CN CN2011202269902U patent/CN202181207U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336385A (en) * | 2011-06-30 | 2012-02-01 | 华南理工大学 | Submersible pump type oiling machine variable-frequency hydraulic control system and control method of the same |
| CN102336385B (en) * | 2011-06-30 | 2014-04-02 | 华南理工大学 | Submersible pump type oiling machine variable-frequency hydraulic control system and control method of the same |
| CN111637350A (en) * | 2020-06-17 | 2020-09-08 | 中冶宝钢技术服务有限公司 | Ration gives fat car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20150630 |
|
| EXPY | Termination of patent right or utility model |