CN117823464A - Oil return mechanism of oil inlet and outlet balance type electric control water pump - Google Patents
Oil return mechanism of oil inlet and outlet balance type electric control water pump Download PDFInfo
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- CN117823464A CN117823464A CN202410250337.1A CN202410250337A CN117823464A CN 117823464 A CN117823464 A CN 117823464A CN 202410250337 A CN202410250337 A CN 202410250337A CN 117823464 A CN117823464 A CN 117823464A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 101
- 238000006073 displacement reaction Methods 0.000 claims description 67
- 238000001514 detection method Methods 0.000 claims description 43
- 238000010992 reflux Methods 0.000 claims description 42
- 238000013016 damping Methods 0.000 claims description 17
- 230000002159 abnormal effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
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- 230000005856 abnormality Effects 0.000 claims description 4
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- 238000004891 communication Methods 0.000 claims description 3
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- 239000002699 waste material Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
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- 238000010586 diagram Methods 0.000 description 3
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- 238000007599 discharging Methods 0.000 description 2
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Abstract
The invention relates to the technical field of water pumps, and particularly discloses an oil return mechanism of an oil inlet and outlet balanced type electric control water pump. After the second backflow hole on the movable frame is overlapped with the first backflow hole on the fixed frame, an automatic control valve in the movable frame is controlled to be opened, so that liquid in the water inlet pipe or the water outlet pipe flows mutually through an oil return pipeline, the liquid pressure at the water inlet pipe and the water outlet pipe is balanced, the efficiency and the performance of the pump can be improved, when the pressure at the inlet and the outlet is balanced, the inertia force of the liquid flow is reduced, the energy conversion in the pump body is more efficient, the waste of energy is reduced, meanwhile, the pressure balance can also reduce the vibration and the noise of the pump body, and the service life of the pump is prolonged; in addition, through the coincidence degree of the second reflow hole on the movable frame and the first reflow hole on the fixed frame, the reflow treatment of different degrees is carried out on the liquid pressure at the water inlet pipe and the water outlet pipe.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to an oil return mechanism of an oil inlet and outlet balanced type electric control water pump.
Background
The oil inlet and outlet balance type electric control water pump is a water pump which realizes oil inlet and outlet balance through an electric control technology. The pump is usually composed of an inlet and outlet pipe and a pump body, and liquid is pumped into the pump body from an inlet through rotation of an impeller in the pump body and then discharged through an outlet. However, the rotation of the impeller generates inertial force of liquid flow, resulting in pressure difference between the inlet and the outlet, thereby causing efficiency reduction and energy waste.
In addition, when the water pump is used for feeding, advancing and discharging oil, the liquid pressure at the water inlet pipe and the water outlet pipe cannot be detected, analyzed and processed, so that the oil feeding and discharging balance state of the water pump cannot be responded in time, and the normal operation of the water pump oil return mechanism is affected.
Therefore, we propose an oil return mechanism of an oil inlet and outlet balance type electric control water pump.
Disclosure of Invention
Aiming at the situation, the invention provides an oil return mechanism of an oil inlet-outlet balance type electric control water pump for overcoming the defects in the prior art, and aims to solve the technical defects.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an oil return mechanism of an oil inlet and outlet balance type electric control water pump, comprising:
a water inlet pipe is arranged on one side of the water pump main body, and a water outlet pipe is also arranged on the other side of the water pump main body;
the oil return pipeline is fixedly arranged at the tops of the water inlet pipe and the water outlet pipe, an oil return pipeline is fixedly arranged between the two connecting seats, and an oil return valve is fixedly arranged at one end, close to the water outlet pipe, of the oil return pipeline;
the oil return assembly is arranged in the oil return pipeline and is used for balancing the pressure at the water inlet pipe and the water outlet pipe;
the oil return assembly comprises an oil return pipeline and a control frame, wherein two oil return pipelines are arranged in the oil return pipeline, two control frames are arranged at opposite ends of the two oil return pipelines, one ends of the two oil return pipelines are respectively communicated with the interiors of the water outlet pipe and the water inlet pipe, the interiors of the two control frames are respectively communicated with the interiors of the water outlet pipe and the water inlet pipe, a movable frame is slidably arranged in the control frame, one side of the movable frame is fixedly provided with the movable frame, a fixed plate is fixedly arranged in the control frame, a fixed frame is fixedly arranged on one side of the fixed plate, the inner wall of the movable frame is slidably connected with the surface of the fixed frame, first reflow holes are formed in two sides of the fixed frame, and second reflow holes are formed in two sides of the movable frame;
the processor is also arranged in the oil return pipeline and is respectively in communication connection with a pressure analysis module, a pressure balance module and a controller;
the pressure analysis module is used for collecting and analyzing the acquired liquid pressure data at the water inlet pipe and the water outlet pipe and judging the pressure balance state of the liquid pressure at the water inlet pipe and the water outlet pipe;
the pressure balance module is used for detecting and analyzing the running state of the reflux component in the oil return pipeline after the oil return balance treatment is carried out on the liquid pressure at the water inlet pipe and the water outlet pipe;
the controller is used for controlling the opening and closing treatment of the automatic control valve in the movable frame when the liquid pressure at the water inlet pipe and the water outlet pipe is balanced.
Further, automatic control valves are fixedly arranged on two sides of the inner part of the movable frame, and the inner parts of the two automatic control valves are respectively communicated with the inner parts of the control frame and the oil return pipeline.
Further, the inside of mount and the inside intercommunication of oil return line, the fixed automatic damping telescopic link that is provided with in top of mount inner wall, and the output of automatic damping telescopic link and the top fixed connection of movable frame inner wall.
Further, the top of the inner wall of the fixing frame is fixedly provided with a damping controller, and the inside of the damping controller is electrically connected with the inside of the automatic damping telescopic rod.
Further, the specific process of the pressure analysis module for judging the liquid pressure balance state at the water inlet pipe and the water outlet pipe comprises the following steps:
step S1, after liquid is input into the water inlet pipe, the liquid enters the water outlet pipe through the water pump main body, and the liquid extrudes the movable frames in the two control frames to slide;
s2, acquiring a displacement value of the movable frame in real time and marking the displacement value as WY, wherein the displacement value of the movable frame can be directly acquired through a displacement sensor arranged on the inner wall of the control frame, and a displacement detection threshold WYm is acquired through a storage module; it should be noted that, the displacement detection threshold is a preset value for measuring the pressure of the liquid, and the value of the displacement detection threshold is far smaller than the value of the conveying threshold, so that the displacement detection threshold is only used for carrying out balance analysis on the pressure of the liquid, the time when the displacement value WY is increased to the displacement detection threshold WYm is marked as detection time, and the time from the time when the liquid enters the water inlet pipe to the detection time is obtained and marked as detection time JS;
step S3, marking the ratio of the displacement detection threshold WYm to the detection duration JS as a balance coefficient ZY; the balance coefficient is a value indicating the magnitude of the impact of the liquid on the movable frame, and the larger the balance coefficient is, the larger the impact of the liquid on the movable frame is, the larger the liquid pressure is, the balance coefficient threshold value ZYmax is obtained through the storage module, and the balance coefficient ZY is compared with the balance coefficient threshold value ZYmax.
Further, the comparison method of the balance coefficient ZY and the balance coefficient threshold value ZYmax is as follows:
if the balance coefficient ZY is smaller than the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid does not meet the reflux standard, and sending a normal detection signal to the processor by the pressure analysis module;
if the balance coefficient ZY is more than or equal to the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid meets a reflux standard, sending a reflux signal to a processor by a pressure analysis module, sending the reflux signal to a controller after the processor receives the reflux signal, and controlling an oil return valve to be opened after the controller receives the reflux signal, so that the reflux balance treatment is carried out on the liquid pressure at a water outlet pipe through an oil return pipeline;
and S4, after the processor receives the normal detection signal, the movable frame continuously ascends, the displacement backflow threshold WYn is obtained through the storage module, if the displacement value WY of the movable frame is increased to WYn, the pressure analysis module sends a backflow signal to the processor, the processor receives the backflow signal and then sends the backflow signal to the controller, and the controller controls the oil return valve to be opened after receiving the backflow signal, so that backflow balance treatment is carried out on the liquid pressure at the water outlet pipe through the oil return pipeline.
Further, the process of detecting and analyzing the operation state of the reflux assembly in the oil return pipeline by the pressure balancing module comprises the following steps:
s5, after the liquid is input into the water inlet pipe, the liquid enters the water outlet pipe through the inside of the water pump main body, the liquid enters the two control frames at the two ends of the oil return pipeline, and the two control frame inner moving frames are extruded by the liquid pressure to move upwards;
step S6, displacement values of two movable frames are obtained simultaneously, a displacement detection threshold WYm is obtained through a storage module, time when the displacement values of the two movable frames reach the displacement detection threshold is marked as cut-off time JZ, a plurality of time points are selected between the time when liquid enters the water inlet pipe and the cut-off time and marked as T, T=1, 2, and n, n is a positive integer;
s7, acquiring absolute values of displacement difference values of two movable frames at a time point T, marking the absolute values as displacement offset values PLt, acquiring a displacement deviation threshold PLtmax through a storage module, and marking the time point with the PLt smaller than the PLtmax as a reasonable offset point;
and S8, acquiring the number of reasonable offset points, marking the number as m, marking the ratio between m and n as a reasonable offset coefficient PL, wherein the reasonable offset coefficient is a numerical value representing the displacement synchronization degree of the two movable frames, acquiring a reasonable offset coefficient threshold PLmin through a storage module, and comparing the reasonable offset coefficient PL with the reasonable offset coefficient threshold PLmin.
Further, the comparison method of the reasonable deviation coefficient PL and the reasonable deviation coefficient threshold PLmin is as follows:
if PL is more than or equal to PLmin, judging that the running state of the reflux assembly is normal, and sending a normal running signal to the processor by the pressure balancing module;
if PL is less than PLmin, the operation state of the backflow component is judged to be abnormal, the pressure balancing module sends an operation abnormal signal to the processor, and after the processor receives the operation abnormal signal, the automatic control valve in the movable frame on one side of the operation abnormal is closed, and independent backflow balancing processing is carried out by using the control frame on the other side.
The beneficial effects obtained by the invention by adopting the structure are as follows:
1. according to the invention, the liquid pressure at the water inlet pipe or the water outlet pipe directly acts on the movable frame, the movable frame is pushed to move in the control frame by using the liquid pressure, the movable frame is driven to slide on the fixed frame until the second backflow hole on the movable frame is overlapped with the first backflow hole on the fixed frame, and then the automatic control valve in the movable frame is controlled to be opened, so that the liquid in the water inlet pipe or the water outlet pipe circulates mutually through the oil return pipeline, the liquid pressure at the water inlet pipe or the water outlet pipe is balanced, the efficiency and the performance of the pump can be improved, when the inlet and outlet pressures are balanced, the inertia force of the liquid flow is reduced, the energy conversion in the pump body is more efficient, the waste of energy sources is reduced, meanwhile, the pressure balance can also reduce the vibration and noise of the pump body, and the service life of the pump is prolonged; in addition, through the coincidence degree of the second reflow hole on the movable frame and the first reflow hole on the fixed frame, the reflow treatment of different degrees is carried out on the liquid pressure at the water inlet pipe and the water outlet pipe.
2. According to the invention, the pressure analysis module is used for detecting and analyzing the pressure balance state of the liquid processed by the water inlet pipe and the water outlet pipe, the balance coefficient is judged and analyzed according to the displacement values of the movable frames in the two control frames, and under the condition that the operation is abnormal, the operation can be independently performed through a single oil return pipeline, and meanwhile, the situation that the water pump main body is damaged due to the fact that the liquid continuously flows into the water pump under the condition that the output pressure is inaccurate during the operation is avoided.
3. According to the invention, the running state of the reflux assembly in the oil return pipeline is detected and analyzed through the pressure balance module, the displacement value and the displacement time length of the movable frames in the two control frames are detected, judged and analyzed to obtain a reasonable deviation coefficient threshold value, then the running state of the reflux assembly is judged according to the deviation coefficient threshold value, the pressure balance module sends a running abnormality signal to the processor, and after the processor receives the running abnormality signal, the automatic control valve in the movable frame on one side of the running abnormality is closed, and independent reflux balance processing is carried out by using the control frame on the other side.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic diagram of an oil return mechanism structure of an oil inlet-outlet balance type electric control water pump according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an oil return pipe according to an embodiment of the present invention;
FIG. 3 is a schematic view showing an internal structure of a control frame according to an embodiment of the present invention;
FIG. 4 is a schematic block diagram of a system of a pressure analysis module and a pressure balancing module according to an embodiment of the present invention.
In the figure, 1, a water pump main body; 2. a water inlet pipe; 3. a water outlet pipe; 4. an oil return pipeline; 5. a connecting seat; 6. an oil return valve; 7. an oil return pipeline; 8. a control rack; 9. a moving rack; 10. a movable frame; 11. a fixing plate; 12. a fixing frame; 13. a first reflow aperture; 14. a second reflow aperture; 15. an automatic control valve; 16. automatically damping the telescopic rod; 17. a damping controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1 to 4, an oil return mechanism of an oil inlet and outlet balance type electric control water pump includes:
the water pump comprises a water pump main body 1, wherein a water inlet pipe 2 is arranged on one side of the water pump main body 1, and a water outlet pipe 3 is also arranged on the other side of the water pump main body 1;
the oil return pipeline 4 is fixedly arranged at the tops of the water inlet pipe 2 and the water outlet pipe 3, the oil return pipeline 4 is fixedly arranged between the two connecting seats 5, and an oil return valve 6 is fixedly arranged at one end, close to the water outlet pipe 3, of the oil return pipeline 4;
the oil return assembly is arranged in the oil return pipeline 4, the pressure at the water inlet pipe 2 and the water outlet pipe 3 is balanced through the oil return assembly, the inertia force of liquid flow is reduced, the energy conversion inside the water pump main body 1 is more efficient, and the energy waste is reduced.
As a further scheme of the invention, the oil return assembly comprises an oil return pipeline 7 and a control frame 8, two oil return pipelines 7 are arranged in the oil return pipeline 4, the control frames 8 are arranged at the opposite ends of the two oil return pipelines 7, the opposite ends of the two oil return pipelines 7 are respectively communicated with the water outlet pipe 3 and the water inlet pipe 2, the interiors of the two control frames 8 are respectively communicated with the water outlet pipe 3 and the water inlet pipe 2, one ends of the two oil return pipelines 7 and one sides of the two control frames 8 are respectively provided with a one-way valve, the liquid flowing direction of the one-way valve at one end of the oil return pipeline 7 is from inside to outside, and the liquid flowing direction of the one-way valve at one side of the control frame 8 is from outside to inside.
Further, a movable frame 9 is slidably arranged in the control frame 8, a movable frame 10 is fixedly arranged on one side of the movable frame 9, a fixed plate 11 is fixedly arranged in the control frame 8, a fixed frame 12 is fixedly arranged on one side of the fixed plate 11, the inner wall of the movable frame 10 is slidably connected with the surface of the fixed frame 12, first reflow holes 13 are formed in two sides of the fixed frame 12, and second reflow holes 14 are formed in two sides of the movable frame 10;
the two sides of the interior of the movable frame 9 are fixedly provided with automatic control valves 15, and the interiors of the two automatic control valves 15 are respectively communicated with the interiors of the control frame 8 and the oil return pipeline 7;
the inside of mount 12 and the inside intercommunication of oil return line 7, the fixed automatic damping telescopic link 16 that is provided with in top of mount 12 inner wall, and the output of automatic damping telescopic link 16 and the top fixed connection of movable frame 10 inner wall, the fixed damping controller 17 that is provided with in top of mount 12 inner wall, and the inside of damping controller 17 and the inside electric connection of automatic damping telescopic link 16.
When the pressure at the water inlet pipe 2 and the water outlet pipe 3 is balanced, the liquid pressure at the water inlet pipe 2 or the water outlet pipe 3 directly acts on the movable frame 9, the movable frame 9 is pushed to move in the control frame 8 by the liquid pressure, the movable frame 9 drives the movable frame 10 to slide on the fixed frame 12 until the second backflow hole 14 on the movable frame 10 is overlapped with the first backflow hole 13 on the fixed frame 12, the automatic control valve 15 in the movable frame 9 is controlled to be opened, so that the liquid at the water inlet pipe 2 or the water outlet pipe 3 circulates mutually through the oil return pipeline 7, the liquid pressure at the water inlet pipe 2 and the water outlet pipe 3 is balanced, the efficiency and the performance of the pump can be improved, when the inlet and outlet pressures are balanced, the inertia force of the liquid flowing is reduced, the energy conversion in the pump body is more efficient, the waste of energy sources is reduced, meanwhile, the pressure balance can also reduce the vibration and noise of the pump body, and the service life of the pump can be prolonged; in addition, through the superposition degree of the second reflow hole 14 on the movable frame 10 and the first reflow hole 13 on the fixed frame 12, the reflow treatment of different degrees is performed on the liquid pressure at the water inlet pipe 2 and the water outlet pipe 3.
Example 2
As a further scheme of the invention, a processor is further arranged in the oil return pipeline 4, and the processor is respectively connected with a pressure analysis module, a pressure balance module and a controller in a communication way;
the pressure analysis module is used for collecting and analyzing the acquired liquid pressure data at the water inlet pipe 2 and the water outlet pipe 3 and judging the pressure balance state of the liquid pressure at the water inlet pipe 2 and the water outlet pipe 3;
the device is used for detecting and analyzing the running state of a reflux component in the oil return pipeline 4 after the oil return balance treatment is carried out on the liquid pressure at the water inlet pipe 2 and the water outlet pipe 3;
the controller is used for controlling the opening and closing of the automatic control valve 15 in the movable frame 9 when the liquid pressure at the water inlet pipe 2 and the water outlet pipe 3 is balanced.
Further, the specific process of the pressure analysis module for judging the liquid pressure balance state at the water inlet pipe 2 and the water outlet pipe 3 comprises the following steps:
step S1, after liquid is input into the water inlet pipe 2, the liquid enters the water outlet pipe 3 through the water pump main body 1, and the liquid extrudes the movable frames 9 in the two control frames 8 to slide;
step S2, obtaining a displacement value of the movable frame 9 in real time and marking the displacement value as WY, wherein the displacement value of the movable frame 9 can be directly obtained through a displacement sensor arranged on the inner wall of the control frame 8, and a displacement detection threshold WYm is obtained through a storage module; it should be noted that, the displacement detection threshold is a preset value for measuring the pressure of the liquid, and the value of the displacement detection threshold is far smaller than the value of the conveying threshold, so that the displacement detection threshold is only used for carrying out balance analysis on the pressure of the liquid, the time when the displacement value WY is increased to the displacement detection threshold WYm is marked as detection time, and the time from the time when the liquid enters the water inlet pipe 2 to the detection time is obtained and marked as detection time JS;
step S3, marking the ratio of the displacement detection threshold WYm to the detection duration JS as a balance coefficient ZY; the balance coefficient is a value indicating the magnitude of the impact of the liquid on the movable frame 9, and the larger the balance coefficient is, the larger the impact of the liquid on the movable frame 9 is, the larger the liquid pressure is, the balance coefficient threshold value ZYmax is obtained through the storage module, and the balance coefficient ZY is compared with the balance coefficient threshold value ZYmax:
if the balance coefficient ZY is smaller than the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid does not meet the reflux standard, and sending a normal detection signal to the processor by the pressure analysis module;
if the balance coefficient ZY is more than or equal to the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid meets the reflux standard, sending a reflux signal to a processor by a pressure analysis module, sending the reflux signal to a controller after the processor receives the reflux signal, and controlling an oil return valve 6 to be opened after the controller receives the reflux signal, so that reflux balance treatment is carried out on the liquid pressure at the water outlet pipe 3 through an oil return pipeline 4;
and S4, after the processor receives the normal detection signal, the movable frame 9 continuously ascends, the displacement backflow threshold WYn is obtained through the storage module, if the displacement value WY of the movable frame 9 is increased to WYn, the pressure analysis module sends a backflow signal to the processor, the processor receives the backflow signal and then sends the backflow signal to the controller, and the controller controls the oil return valve 6 to be opened after receiving the backflow signal, so that backflow balance treatment is carried out on the liquid pressure at the water outlet pipe 3 through the oil return pipeline 4.
Further, the process of detecting and analyzing the operation state of the reflux assembly in the oil return pipeline 4 by the pressure balancing module comprises the following steps:
step S5, after the liquid is input into the water inlet pipe 2, the liquid enters the water outlet pipe 3 through the inside of the water pump main body 1, the liquid enters the inside of the two control frames 8 at the two ends of the oil return pipeline 4, and the moving frames 9 in the two control frames 8 are extruded by the liquid pressure to move upwards;
step S6, simultaneously obtaining displacement values of two movable frames 9, obtaining a displacement detection threshold WYm through a storage module, marking the time when the displacement values of the two movable frames 9 reach the displacement detection threshold as cut-off time JZ, selecting a plurality of time points between the time when liquid enters the water inlet pipe 2 and the cut-off time and marking the time as T, wherein T=1, 2, & gt, n, n is a positive integer;
step S7, obtaining absolute values of displacement difference values of the two movable frames 9 at a time point T and marking the absolute values as displacement offset values PLt, obtaining a displacement deviation threshold PLtmax through a storage module, and marking the time point of which the PLt is smaller than the PLtmax as a reasonable offset point;
step S8, the number of reasonable offset points is obtained and marked as m, the ratio between m and n is marked as a reasonable offset coefficient PL, the reasonable offset coefficient is a numerical value representing the displacement synchronization degree of the two movable frames 9, a reasonable offset coefficient threshold PLmin is obtained through a storage module, and the reasonable offset coefficient PL is compared with the reasonable offset coefficient threshold PLmin:
if PL is more than or equal to PLmin, judging that the running state of the reflux assembly is normal, and sending a normal running signal to the processor by the pressure balancing module;
if PL is less than PLmin, the operation state of the backflow component is judged to be abnormal, the pressure balancing module sends an operation abnormal signal to the processor, and after the processor receives the operation abnormal signal, the automatic control valve 15 in the movable frame 9 on one side of the operation abnormal is closed, and independent backflow balancing processing is carried out by using the control frame 8 on the other side.
Example 3
The embodiment also specifically discloses a use method of an oil return mechanism of the oil inlet and outlet balance type electric control water pump, which specifically comprises the following steps:
when the pressure at the water inlet pipe 2 and the water outlet pipe 3 is balanced, the liquid pressure at the water inlet pipe 2 or the water outlet pipe 3 directly acts on the movable frame 9, the movable frame 9 is pushed to move in the control frame 8 by the liquid pressure, the movable frame 9 drives the movable frame 10 to slide on the fixed frame 12 until the second backflow hole 14 on the movable frame 10 is overlapped with the first backflow hole 13 on the fixed frame 12, and then the automatic control valve 15 in the movable frame 9 is controlled to be opened, so that the liquid in the water inlet pipe 2 or the water outlet pipe 3 circulates mutually through the oil return pipeline 7, and the liquid pressure at the water inlet pipe 2 and the water outlet pipe 3 is balanced;
step two, judging the liquid pressure balance state at the water inlet pipe 2 and the water outlet pipe 3 through a pressure analysis module, and comparing the balance coefficient ZY with a balance coefficient threshold value ZYmax:
if the balance coefficient ZY is smaller than the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid does not meet the reflux standard, and sending a normal detection signal to the processor by the pressure analysis module;
if the balance coefficient ZY is more than or equal to the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid meets the reflux standard, sending a reflux signal to a processor by a pressure analysis module, sending the reflux signal to a controller after the processor receives the reflux signal, and controlling an oil return valve 6 to be opened after the controller receives the reflux signal, so that reflux balance treatment is carried out on the liquid pressure at the water outlet pipe 3 through an oil return pipeline 4;
thirdly, detecting and analyzing the running state of the reflux component in the oil return pipeline 4 by utilizing a pressure balance module, obtaining the number of reasonable offset points, marking the number as m, marking the ratio between m and n as a reasonable offset coefficient PL, wherein the reasonable offset coefficient is a numerical value representing the displacement synchronization degree of the two movable frames 9, obtaining a reasonable offset coefficient threshold PLmin through a storage module, and comparing the reasonable offset coefficient PL with the reasonable offset coefficient threshold PLmin:
if PL is more than or equal to PLmin, judging that the running state of the reflux assembly is normal, and sending a normal running signal to the processor by the pressure balancing module;
if PL is less than PLmin, the operation state of the backflow component is judged to be abnormal, the pressure balancing module sends an operation abnormal signal to the processor, and after the processor receives the operation abnormal signal, the automatic control valve 15 in the movable frame 9 on one side of the operation abnormal is closed, and independent backflow balancing processing is carried out by using the control frame 8 on the other side.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that 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. Moreover, 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.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. Oil return mechanism of balanced automatically controlled water pump of business turn over oil, its characterized in that includes:
the water pump comprises a water pump main body (1), wherein a water inlet pipe (2) is arranged on one side of the water pump main body (1), and a water outlet pipe (3) is also arranged on the other side of the water pump main body (1);
the oil return pipeline (4), the tops of the water inlet pipe (2) and the water outlet pipe (3) are fixedly provided with connecting seats (5), the oil return pipeline (4) is fixedly arranged between the two connecting seats (5), and an oil return valve (6) is fixedly arranged at one end, close to the water outlet pipe (3), of the oil return pipeline (4);
the oil return assembly is arranged in the oil return pipeline (4), and the pressure at the water inlet pipe (2) and the water outlet pipe (3) is balanced through the oil return assembly;
the oil return assembly comprises an oil return pipeline (7) and a control frame (8), wherein two oil return pipelines (7) are arranged in the oil return pipeline (4), the control frames (8) are respectively arranged at opposite ends of the two oil return pipelines (7), one ends of the two oil return pipelines (7) are respectively communicated with the interiors of the water outlet pipe (3) and the water inlet pipe (2), the interiors of the two control frames (8) are respectively communicated with the interiors of the water outlet pipe (3) and the water inlet pipe (2), a movable frame (9) is slidably arranged in the control frame (8), a movable frame (10) is fixedly arranged on one side of the movable frame (9), a fixed plate (11) is fixedly arranged in the control frame (8), a fixed frame (12) is fixedly arranged on one side of the fixed plate (11), the inner wall of the movable frame (10) is slidably connected with the surface of the fixed frame (12), first reflow holes (13) are respectively arranged on two sides of the fixed frame (12), and second reflow holes (14) are respectively arranged on two sides of the movable frame (10).
The inside of the oil return pipeline (4) is also provided with a processor, and the processor is respectively connected with a pressure analysis module, a pressure balance module and a controller in a communication mode;
the pressure analysis module is used for collecting and analyzing the acquired liquid pressure data at the water inlet pipe (2) and the water outlet pipe (3) and judging the pressure balance state of the liquid pressure at the water inlet pipe (2) and the water outlet pipe (3);
the pressure balancing module is used for detecting and analyzing the running state of the internal reflux assembly of the oil return pipeline (4) after the oil return balancing treatment is carried out on the liquid pressure at the water inlet pipe (2) and the water outlet pipe (3);
the controller is used for controlling the opening and closing treatment of an automatic control valve (15) in the movable frame (9) when the liquid pressure at the water inlet pipe (2) and the water outlet pipe (3) is balanced.
2. The oil return mechanism of the oil inlet and outlet balance type electric control water pump as claimed in claim 1, wherein: the automatic control valves (15) are fixedly arranged on two sides of the inside of the movable frame (9), and the insides of the two automatic control valves (15) are respectively communicated with the insides of the control frame (8) and the oil return pipeline (7).
3. The oil return mechanism of the oil inlet and outlet balance type electric control water pump as claimed in claim 1, wherein: the inside of mount (12) communicates with the inside of oil return line (7), the top of mount (12) inner wall is fixed to be provided with automatic damping telescopic link (16), and the output of automatic damping telescopic link (16) and the top fixed connection of movable frame (10) inner wall.
4. The oil return mechanism of the oil inlet and outlet balance type electric control water pump according to claim 3, wherein: the top of the inner wall of the fixing frame (12) is fixedly provided with a damping controller (17), and the inside of the damping controller (17) is electrically connected with the inside of the automatic damping telescopic rod (16).
5. The oil return mechanism of the oil inlet and outlet balance type electric control water pump as claimed in claim 1, wherein: the specific process for judging the liquid pressure balance state at the water inlet pipe (2) and the water outlet pipe (3) by the pressure analysis module comprises the following steps:
step S1, after liquid is input into the water inlet pipe (2), the liquid enters the water outlet pipe (3) through the water pump main body (1), and the liquid extrudes the movable frames (9) in the two control frames (8) to slide;
s2, acquiring a displacement value of the movable frame (9) in real time and marking the displacement value as WY, wherein the displacement value of the movable frame (9) can be directly acquired through a displacement sensor arranged on the inner wall of the control frame (8), and a displacement detection threshold WYm is acquired through a storage module; it should be noted that, the displacement detection threshold is a preset value for measuring the pressure of the liquid, and the value of the displacement detection threshold is far smaller than the value of the conveying threshold, so that the displacement detection threshold is only used for carrying out balance analysis on the pressure of the liquid, the time when the displacement value WY is increased to the displacement detection threshold WYm is marked as detection time, and the time from the time when the liquid enters the water inlet pipe (2) to the detection time is obtained and marked as detection time JS;
step S3, marking the ratio of the displacement detection threshold WYm to the detection duration JS as a balance coefficient ZY; the balance coefficient is a value indicating the magnitude of the impact of the liquid on the movable frame (9), and the larger the balance coefficient is, the larger the impact of the liquid on the movable frame (9) is, the larger the liquid pressure is, the balance coefficient threshold value ZYmax is obtained by the storage module, and the balance coefficient ZY is compared with the balance coefficient threshold value ZYmax.
6. The oil return mechanism of the oil inlet and outlet balance type electric control water pump as claimed in claim 5, wherein: the comparison method of the balance coefficient ZY and the balance coefficient threshold value ZYmax is as follows:
if the balance coefficient ZY is smaller than the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid does not meet the reflux standard, and sending a normal detection signal to the processor by the pressure analysis module;
if the balance coefficient ZY is more than or equal to the balance coefficient threshold ZYmax, judging that the balance pressure of the liquid meets a reflux standard, sending a reflux signal to a processor by a pressure analysis module, sending the reflux signal to a controller after the processor receives the reflux signal, and controlling an oil return valve (6) to be opened after the controller receives the reflux signal, so that the reflux balance treatment is carried out on the liquid pressure at a water outlet pipe (3) through an oil return pipeline (4);
and S4, after the processor receives the normal detection signal, the movable frame (9) continuously ascends, a displacement backflow threshold WYn is obtained through the storage module, if the displacement value WY of the movable frame (9) is increased to WYn, the pressure analysis module sends a backflow signal to the processor, the processor receives the backflow signal and then sends the backflow signal to the controller, and the controller controls the oil return valve (6) to be opened after receiving the backflow signal, so that the backflow balance treatment is carried out on the liquid pressure at the water outlet pipe (3) through the oil return pipeline (4).
7. The oil return mechanism of the oil inlet and outlet balance type electric control water pump as claimed in claim 1, wherein: the process for detecting and analyzing the operation state of the reflux component in the oil return pipeline (4) by the pressure balancing module comprises the following steps:
s5, after the liquid is input into the water inlet pipe (2), the liquid enters the water outlet pipe (3) through the inside of the water pump main body (1), the liquid enters the inside of two control frames (8) at two ends of the oil return pipeline (4), and the moving frames (9) in the two control frames (8) are extruded by the liquid pressure to move upwards;
step S6, simultaneously obtaining displacement values of two movable frames (9), obtaining a displacement detection threshold WYm through a storage module, marking the time when the displacement values of the two movable frames (9) reach the displacement detection threshold as cut-off time JZ, selecting a plurality of time points between the time when liquid enters the water inlet pipe (2) and the cut-off time and marking the time as T, T=1, 2, wherein n is a positive integer;
s7, acquiring absolute values of displacement difference values of two movable frames (9) of a time point T, marking the absolute values as displacement offset values PLt, acquiring a displacement offset threshold PLtmax through a storage module, and marking the time point of which the PLt is smaller than the PLtmax as a reasonable offset point;
and S8, acquiring the number of reasonable offset points, marking the number as m, marking the ratio between m and n as a reasonable offset coefficient PL, wherein the reasonable offset coefficient is a numerical value representing the displacement synchronization degree of the two movable frames (9), acquiring a reasonable offset coefficient threshold PLmin through a storage module, and comparing the reasonable offset coefficient PL with the reasonable offset coefficient threshold PLmin.
8. The oil return mechanism of the oil inlet and outlet balance type electric control water pump as claimed in claim 7, wherein: the comparison method of the reasonable deviation coefficient PL and the reasonable deviation coefficient threshold PLmin is as follows:
if PL is more than or equal to PLmin, judging that the running state of the reflux assembly is normal, and sending a normal running signal to the processor by the pressure balancing module;
if PL is less than PLmin, the operation state of the backflow component is judged to be abnormal, the pressure balancing module sends an operation abnormal signal to the processor, and after the processor receives the operation abnormal signal, the automatic control valve (15) in the movable frame (9) on one side of the operation abnormality is closed, and independent backflow balancing processing is carried out by using the control frame (8) on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410250337.1A CN117823464B (en) | 2024-03-05 | Oil return mechanism of oil inlet and outlet balance type electric control water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410250337.1A CN117823464B (en) | 2024-03-05 | Oil return mechanism of oil inlet and outlet balance type electric control water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117823464A true CN117823464A (en) | 2024-04-05 |
| CN117823464B CN117823464B (en) | 2024-05-14 |
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