CN115163277A - Novel automatically controlled silicon oil clutch water pump - Google Patents

Abstract

The invention relates to the technical field of automobile engine cooling system components, in particular to a novel electronically controlled silicon oil clutch water pump. The technical scheme includes: the control sheet is connected and fixed with the pulley through a pin shaft, one end of the pulley is covered with a front shell, a transmission disc is installed between the pulley and the front shell, and the pulley is rotatably installed through a wheel bearing. There is a water pump bearing, one end of the pulley facing away from the drive disc is covered with an impeller, one end of the water pump bearing is penetrated in the drive disc, an oil storage chamber cover is installed between the pulley and the drive disc, and the pulley and the storage chamber cover are installed. An iron core is installed between the oil chamber covers, and a coil is wound on the iron core. The invention changes the original stacking assembly method, reduces the processing difficulty of the silicone oil control components, optimizes the separation and coupling response time, more accurately corrects the speed of the impeller, better reduces the engine oil consumption and meets the requirements of the engine cooling system, and improves the cooling system. component life.

Description

A new type of electronically controlled silicon oil clutch water pump

technical field

The invention relates to the technical field of automobile engine cooling system components, in particular to a novel electronically controlled silicon oil clutch water pump.

Background technique

With the improvement of people's living standards, the demand for automobiles is also increasing, and the exhaust gas emitted by automobile engines is also increasing. Exhaust gas emitted by automobile engines has a serious impact on the environment, so it has received widespread attention. In order to reduce exhaust emissions, water-cooled engines have been developed in recent years, which can greatly reduce exhaust emissions. The existing water-cooled engine cooling pump includes a pump body and a pump cover, the pump cover is provided with a water inlet, the pump body is respectively provided with a first and a second water outlet, the pump body is provided with a pump shaft, and the pump shaft is provided with an impeller. However, the existing engine thermal cycle is an ordinary water pump, which has high heat and fuel consumption, and the existing structure is insensitive and complex, resulting in a low service life of the thermal cycle system and an unsatisfactory use experience.

SUMMARY OF THE INVENTION

The present invention provides a novel electronically controlled silicon oil clutch water pump, which solves the above-mentioned technical problems.

The scheme that the present invention solves the above-mentioned technical problem is as follows:

A new type of electronically controlled silicon oil clutch water pump includes a pulley, a transmission disc, a front casing and a control plate. The control plate is connected and fixed with the pulley through a pin shaft. One end cover is provided with a front casing, a drive disc is installed between the pulley and the front casing, a water pump bearing is installed in the pulley through the wheel bearing, and a water seal is installed at the end of the water pump bearing away from the drive disc. One end of the pulley facing away from the drive disc is covered with an impeller, one end of the water pump bearing is inserted into the drive disc, an oil storage chamber cover is installed between the pulley and the drive disc, and an oil storage chamber cover is installed between the pulley and the oil storage chamber cover There is an iron core on which a coil is wound.

The beneficial effects of the invention are: when the temperature of the engine increases or decreases, the signal sent by the temperature sensor on the engine is collected by the car ECU, and the car ECU transmits the temperature signal to the electronic control system, and according to the energization and pull-in characteristics of the coil, The clutch electronic control system controls the coil to be energized to control the switching action of the plate. The control plate is connected with the pulley through the pin shaft. When the pulley rotates, the control plate rotates under the action of centrifugal force, the oil outlet hole is opened, the oil inlet hole is closed, and the transmission Both the disc and the front casing are provided with tooth grooves. When the pulley connected to the engine gear train rotates, the silicone oil in the oil storage chamber enters from the oil outlet through the action of centrifugal force, and passes through the transmission disc tooth groove and the front casing tooth groove. At the meshing place and into the working chamber, the gear slot of the drive disc interacts with the gear slot of the front housing, and the drive disc and the front housing are driven to rotate by the viscosity of the silicone oil. The shaft-connected bearing connected with the impeller drives the rotation of the impeller under the action of the transmission disc. At this time, the speed measuring block installed between the water pump body and the shaft-connected bearing detects the speed of the impeller and sends the signal to the car ECU, through the input of the ECU The PMW pulse signal calculates the time required for the clutch to cool the engine. When the time required to cool the engine expires, the clutch electronic control system sends a power-off signal to the coil, thereby optimizing the response time of the separation and coupling, and more accurately correcting the speed of the impeller. It can better reduce engine oil consumption and meet the requirements of engine cooling system, and improve the effect of life of cooling system components. When the coil is energized, the oil outlet hole is closed, the oil inlet hole is opened, and the meshing of the transmission disc tooth slot and the front casing tooth slot is The silicone oil and the silicone oil in the working chamber enter the oil storage chamber through the oil return channel and the oil return port, the transmission disc gradually stops rotating, and the clutch gradually enters the disengaged state, thereby driving the impeller that forms a rigid connection with the transmission disc to gradually stop rotating. When rising, repeat the above actions.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, a speed measuring block is arranged between the water pump bearing and the water pump body, the speed measuring block is a Hall sensor, and an electronic control assembly is connected to the speed measuring block. The assembly is connected to the coil.

The beneficial effect of adopting the above-mentioned further scheme is: the speed of the impeller is detected by the speed measuring block and the signal is sent to the automobile ECU, and the time required for the clutch to cool the engine is calculated through the input PMW pulse signal of the ECU.

Further, the outer side of the pulley has a special-shaped structure, which can squeeze the silicone oil into the oil return hole by centrifugal force, and the transmission disc also has an oil return channel, which can accelerate the oil return and reduce the speed of the water pump faster.

The beneficial effect of adopting the above-mentioned further solution is that it is convenient to keep the engine in the most reasonable temperature range.

Further, an oil storage chamber is provided between the pulley and the oil storage chamber cover, and the front casing, the pulley and the oil storage chamber cover form a working chamber.

The beneficial effect of adopting the above-mentioned further scheme is that the silicone oil required for operation can be stored between the pulley and the oil storage chamber cover.

Further, the oil outlet hole and the oil inlet hole are arranged at the side wall of the pulley.

The beneficial effect of adopting the above-mentioned further scheme is that it is convenient to control the opening and closing states of the oil outlet hole and the oil inlet hole through the control sheet.

Further, the amount of oil is controlled by the magnetic force generated by the coil wound on the iron core to adjust the gap between the control plate rotating the pin shaft and the oil inlet and outlet holes.

The beneficial effect of adopting the above-mentioned further scheme is that the accuracy of oil quantity control is increased.

Further, the control piece rotates through the pin shaft under the action of centrifugal force, which can ensure that even in the case of the failure of the electromagnet, the water pump can ensure the operation of the engine.

The beneficial effect of adopting the above-mentioned further scheme is that the stability of the water pump is increased.

Further, there are two or more sets of control plates between the pulley, the transmission disc and the front casing.

The beneficial effect of adopting the above-mentioned further scheme is that the working state of the clutch is controlled by a plurality of groups of control plates, and the control efficiency of the clutch is increased.

Further, after the engine is started, when the pulley rotates, the control plate rotates through the pin shaft under the action of centrifugal force, the oil outlet hole is opened, the oil inlet hole is closed, and the electronically controlled silicone oil clutch works.

The beneficial effect of adopting the above-mentioned further scheme is that the engine drives the water pump of the electronically controlled silicon oil clutch to work through the belt, and provides the power of the water pump through the engine.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly, and implement it according to the content of the description, the preferred embodiments of the present invention are described in detail below with the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

In the attached image:

Fig. 1 is the front view structure schematic diagram of the present invention;

Fig. 2 is the structure schematic diagram of the drive plate of the present invention;

Fig. 3 is the schematic diagram of the open state of the oil outlet of the present invention;

4 is a schematic diagram of the closed state of the oil outlet hole of the present invention;

5 is a schematic diagram of the oil inlet and outlet passages of the present invention;

FIG. 6 is an enlarged schematic view of the iron core of the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Impeller; 2. Water seal; 3. Water pump bearing; 4. Wheel bearing; 5. Pulley; 6. Iron core; 7. Coil; 8. Drive disc; 9. Front casing; , oil outlet hole; 102, oil inlet hole; 11, pin shaft; 12, control sheet.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, but not to limit the scope of the present invention. The invention is described in more detail by way of example in the following paragraphs with reference to the accompanying drawings. The advantages and features of the present invention will become apparent from the following description and claims. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 to FIG. 6, the embodiments provided by the present invention:

Example 1

A new type of electronically controlled silicon oil clutch water pump, including a pulley 5, a drive plate 8, a front shell 9 and a control plate 12, between the pulley 5, the drive plate 8, and the front shell 9, there are two or more groups of control plates 12, the control plate 12. The pin shaft 11 is connected and fixed to the pulley 5. The magnetic force generated by the coil 7 wound on the iron core 6 adjusts the gap between the control sheet 12 of the pin shaft 11 and the oil inlet and outlet holes to control the oil quantity. When the pulley 5 rotates, the control sheet 12 Under the action of centrifugal force, the oil outlet hole 101 is opened, the oil inlet hole 102 is closed, the electronically controlled silicone oil clutch works, and the pulley 5 runs through the oil outlet hole 101 and the oil inlet hole 102, and the oil outlet hole 101 and the oil inlet hole 102 are provided At the side wall of the pulley 5, one end of the pulley 5 is covered with a front casing 9, a transmission disc 8 is installed between the pulley 5 and the front casing 9, and the transmission disc 8 and the front casing 9 are both provided with tooth slots. When the pulley 5 connected to the gear train rotates, depending on the centrifugal force, the silicone oil in the oil storage chamber enters from the oil outlet, passes through the meshing of the tooth slot of the transmission disc 8 and the tooth slot of the front shell 9, and enters the working chamber, and the transmission disc 8 teeth The groove interacts with the tooth slot of the front casing 9, and drives the rotation of the transmission disc 8 and the front casing 9 through the viscosity of the silicone oil, and the clutch enters the coupled state, thereby driving the water pump shaft that forms a rigid connection with the transmission disc 8 to rotate, while the shaft connected to the impeller 1 rotates. The connecting bearing drives the rotation of the impeller 1 under the action of the transmission disc 8. The outer side of the pulley 5 has a special-shaped structure, which can squeeze the silicone oil into the oil return hole by centrifugal force, and the transmission disc 8 also has an oil return channel, which can accelerate the oil return and can improve the Quickly reduce the pump speed.

A water pump bearing 3 is installed in the pulley 5 through the wheel bearing 4. A speed measuring block is arranged between the water pump bearing 3 and the water pump body. The speed measuring block is a Hall sensor. The speed measuring block is connected with an electric control assembly. As an information processing element, the electronic control assembly is connected to the coil 7, and the speed measuring block installed between the water pump body and the shaft bearing detects the speed of the impeller 1 and sends the signal to the automobile ECU, and calculates the clutch pair through the input PMW pulse signal of the ECU. The time required to cool the engine, when the time required to cool the engine expires, the clutch electronic control system sends a power-off signal to the coil 7, the water seal 2 is installed on the end of the water pump bearing 3 away from the transmission plate 8, and the pulley 5 is away from the transmission plate 8. One end cover is provided with an impeller 1, one end of the water pump bearing 3 is penetrated in the drive disc 8, an oil storage chamber cover 10 is installed between the pulley 5 and the drive disc 8, and an oil storage chamber is installed between the pulley 5 and the oil storage chamber cover 10. The working cavity is formed by the front shell 9, the pulley 5 and the oil storage chamber cover 10. The iron core 6 is installed between the pulley 5 and the oil storage chamber cover 10. The coil 7 is wound on the iron core 6, and the iron core 6 is wound with The magnetic force generated by the coil 7 adjusts the gap between the control plate 12 rotating the pin shaft 11 and the oil inlet and outlet holes to control the amount of oil. When the temperature of the engine rises or falls, the signal sent by the temperature sensor on the engine is collected by the car ECU. The temperature signal is transmitted to the electronic control system. According to the energization and pull-in characteristics of the coil 7, the clutch electronic control system controls the coil 7 to be energized to control the switching action of the plate 12. When the coil 7 is energized, the oil outlet hole 101 is closed, and the oil inlet hole is closed. 102 is opened, the silicone oil at the meshing of the tooth slot of the transmission disc 8 and the tooth slot of the front casing 9 and the silicone oil in the working chamber enter the oil storage chamber through the oil return channel and the oil return port, the transmission disc 8 gradually stops rotating, and the clutch gradually enters the separation state , thereby driving the impeller 1 rigidly connected with the drive plate 8 to stop rotating gradually, and when the engine temperature rises again, the above actions can be repeated.

A new type of electronically controlled silicon oil clutch water pump based on Example 1 is in use: when the temperature of the engine increases or decreases, the signal sent by the temperature sensor on the engine is collected by the car ECU, and the car ECU transmits the temperature signal to the electronic control system. According to the power-on and pull-in characteristics of the coil 7, the clutch electronic control system controls the power-on of the coil 7 to control the switching action of the sheet 12. The control sheet 12 is connected with the pulley 5 through the pin 11. When the pulley 5 rotates, the control sheet 12 rotates under the action of centrifugal force, the oil outlet hole 101 is opened, the oil inlet hole 102 is closed, and the transmission disc 8 and the front shell 9 are both provided with tooth slots. The silicone oil in the oil storage cavity enters from the oil outlet, passes through the engagement of the tooth slot of the transmission disc 8 and the tooth slot of the front shell 9 and enters the working chamber. The tooth slot of the transmission disc 8 interacts with the tooth slot of the front shell 9, and is driven by the viscosity of the silicone oil The rotation of the drive disc 8 and the front housing 9 causes the clutch to enter the coupled state, thereby driving the water pump shaft that forms a rigid connection with the drive disc 8 to rotate, and the shaft-connected bearing connected to the impeller 1 drives the impeller 1 to rotate under the action of the drive disc 8 , At this time, the speed measuring block installed between the water pump body and the shaft bearing detects the speed of the impeller 1 and sends the signal to the car ECU, and calculates the time required for the clutch to cool the engine through the input PMW pulse signal of the ECU. After the time required for cooling down, the clutch electronic control system sends a power-off signal to the coil 7, thereby optimizing the response time of the separation and coupling, more accurately correcting the speed of the impeller, better reducing engine fuel consumption and meeting the requirements of the engine cooling system, improving cooling The effect of the life of the system components; when the coil 7 is energized, the oil outlet hole 101 is closed, the oil inlet hole 102 is opened, and the silicone oil at the engagement of the tooth slot of the transmission disc 8 and the tooth slot of the front housing 9 and the silicone oil in the working chamber are returned to the oil. The channel and the oil return port enter the oil storage cavity, the transmission disc 8 gradually stops rotating, and the clutch gradually enters the disengaged state, thereby driving the impeller 1 that forms a rigid connection with the transmission disc 8 to gradually stop rotating. When the engine temperature rises again, the above actions are repeated. That's it.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form; any person of ordinary skill in the industry can smoothly implement the present invention as shown in the accompanying drawings and the above descriptions. However, all those skilled in the art who are familiar with the technical solutions of the present invention make use of the above-disclosed technical content to make some changes, modifications and equivalent changes of evolution, all of which are equivalent implementations of the present invention. At the same time, any alteration, modification and evolution of any equivalent changes made to the above embodiments according to the essential technology of the present invention still fall within the protection scope of the technical solutions of the present invention.

Claims (9)

1. A new type of electronically controlled silicon oil clutch water pump is characterized in that: it comprises a pulley (5), a transmission disc (8), a front casing (9) and a control sheet (12), and the control sheet (12) passes through a pin (12). 11) It is connected and fixed with the pulley (5), the pulley (5) is provided with an oil outlet hole (101) and an oil inlet hole (102), and one end of the pulley (5) is covered with a front shell (9), A transmission disc (8) is installed between the pulley (5) and the front casing (9), and a water pump bearing (3) is rotatably installed in the pulley (5) through a wheel bearing (4), and the water pump bearing (3) ) A water seal (2) is installed at one end away from the drive disc (8), an impeller (1) is covered at one end of the pulley (5) away from the drive disc (8), and one end of the water pump bearing (3) is provided with an impeller (1). In the drive disc (8), an oil storage chamber cover (10) is installed between the pulley (5) and the drive disc (8), and an oil storage chamber cover (10) is installed between the pulley (5) and the oil storage chamber cover (10). An iron core (6), on which a coil (7) is wound. 2. A new type of electronically controlled silicon oil clutch water pump according to claim 1, characterized in that: a speed measuring block is provided between the water pump bearing (3) and the water pump body, and the speed measuring block is a Hall sensor, and the speed measuring block is connected and provided There is an electric control assembly, the electric control assembly is essentially an information processing element, and the electric control assembly is connected to the coil (7). 3. A new type of electronically controlled silicone oil clutch water pump according to claim 1, characterized in that: the outer side of the pulley (5) has a special-shaped structure, which can squeeze the silicone oil into the oil return hole by centrifugal force, and the transmission disc (8) There is also an oil return channel, which can accelerate the oil return and reduce the speed of the water pump faster. 4. A new type of electronically controlled silicon oil clutch water pump according to claim 1, characterized in that: an oil storage chamber is provided between the pulley (5) and the oil storage chamber cover (10), and the front shell (9) , the pulley (5) and the oil storage chamber cover (10) form a working chamber. 5 . The novel electronically controlled silicon oil clutch water pump according to claim 1 , wherein the oil outlet hole ( 101 ) and the oil inlet hole ( 102 ) are arranged at the side wall of the pulley ( 5 ). 6 . 6. A new type of electronically controlled silicon oil clutch water pump according to claim 1, characterized in that: the magnetic force generated by the coil (7) is wound on the iron core (6) to adjust the control plate (12) of the pin shaft (11) to rotate The clearance with the oil inlet and outlet controls the oil quantity. 7. A new type of electronically controlled silicon oil clutch water pump according to claim 1, characterized in that: the control plate (12) rotates through the pin shaft (11) under the action of centrifugal force, which can ensure that even in the case of electromagnet failure, the water pump Keep the engine working. 8. A new type of electronically controlled silicon oil clutch water pump according to claim 1, characterized in that: there are two or more groups of control plates (12) between the pulley (5), the drive disc (8), and the front shell (9). ). 9. A new type of electronically controlled silicon oil clutch water pump according to claim 1, characterized in that: when the electronically controlled silicon oil clutch water pump is started after the engine, when the pulley (5) rotates, the control plate (12) passes the pin under the action of centrifugal force The shaft (11) rotates, the oil outlet hole (101) is opened, the oil inlet hole (102) is closed, and the electronically controlled silicon oil clutch works.

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