CN214887337U - Variable flow water pump and cooling system of engine electric control silicone oil clutch - Google Patents

Variable flow water pump and cooling system of engine electric control silicone oil clutch Download PDF

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Publication number
CN214887337U
CN214887337U CN202120548425.1U CN202120548425U CN214887337U CN 214887337 U CN214887337 U CN 214887337U CN 202120548425 U CN202120548425 U CN 202120548425U CN 214887337 U CN214887337 U CN 214887337U
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China
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water pump
engine
silicone oil
oil clutch
electric control
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CN202120548425.1U
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蔡东
王传宾
刘宁
姚章涛
杨宁
李德强
杨萍
汤效勇
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Sinotruk Jinan Power Co Ltd
China National Heavy Duty Truck Group Jinan Power Co Ltd
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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Abstract

The application relates to a variable flow water pump and a cooling system of an engine electric control silicone oil clutch. On one hand, the engine electric control silicon oil clutch variable flow water pump comprises a water pump shell and an impeller rotatably arranged in the water pump shell, wherein the water pump shell is provided with a water inlet and a water outlet; the water pump shell is connected with a cascade bearing, the cascade bearing is rotatably connected with a belt pulley, the belt pulley is connected with an electric control silicone oil clutch, and the electric control silicone oil clutch is connected with the impeller through the cascade bearing; a sealing water seal is arranged at the joint of the cascade bearing and the water pump shell; and a speed sensor for measuring the rotating speed is arranged on the cascade bearing. On the other hand, the engine cooling system applying the variable flow water pump of the engine electric control silicone oil clutch comprises an engine communicated with a water pump shell, an output shaft of the engine is connected with the belt pulley, the electric control silicone oil clutch is connected with a control system, and the control system is electrically connected with the engine.

Description

Variable flow water pump and cooling system of engine electric control silicone oil clutch
Technical Field
The application relates to the field of engine water pumps, in particular to an engine electric control silicone oil clutch variable flow water pump and a cooling system.
Background
A plurality of cooling pipelines are arranged in a cylinder body of the automobile engine, when the engine runs, the cooling water in the radiator is pumped to the cooling pipelines of the automobile engine through the water pump, and the cooling water is used for taking away heat at the cylinder body to achieve the purpose of cooling.
Existing diesel engines often employ a mechanical water pump driven by a belt connected to the engine, the speed of rotation being related to the speed of rotation of the engine. However, at the very start of the vehicle, especially at cold start of the engine at low ambient temperatures, the engine does not require too much flow of coolant in order for the engine to heat up quickly. If the speed of the mechanical water pump is too high under the driving of the engine, when the engine is just started, the flow of the cooling liquid is large, the temperature of the engine is low, the heat engine time is prolonged, the fuel consumption is increased, the emission does not reach the standard, and the reliability of the engine is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem or at least partially solve the technical problem, the application provides an engine electronic control silicone oil clutch variable-flow water pump and a cooling system.
On one hand, the application provides an engine electric control silicon oil clutch variable flow water pump, which comprises a water pump body, wherein,
the water pump body comprises a water pump shell and an impeller rotatably arranged in the water pump shell, and the water pump shell is provided with a water inlet and a water outlet;
the water pump shell is connected with a cascade bearing, the cascade bearing is rotatably connected with a belt pulley, the belt pulley is connected with an electric control silicone oil clutch, and the electric control silicone oil clutch is connected with the impeller through the cascade bearing;
a sealing water seal is arranged at the joint of the cascade bearing and the water pump shell;
and a speed sensor for measuring the rotating speed is arranged on the cascade bearing.
Preferably, the electrically controlled silicone oil clutch includes:
a clutch housing connected to one side of the pulley,
a driven disc connected with the cascade bearing, wherein a silicon oil working cavity is arranged between the driven disc and the clutch housing;
the electromagnetic coil system is arranged on the water pump shell and used for adjusting the silicone oil in the silicone oil working cavity, and the electromagnetic coil system is electrically connected with the wire harness connector.
Preferably, the cascade bearing comprises a driving shaft at the center, the driving shaft is connected with the driven disc, the driving shaft is sleeved on a first sleeve of the driving shaft through a primary ball rolling connection, the outer wall of the first sleeve is connected with the belt pulley, the first sleeve is sleeved on a second sleeve of the first sleeve through a secondary ball rolling connection, and the second sleeve is connected with the water pump shell.
Preferably, a sealing structure is provided between the first sleeve and the drive shaft.
Preferably, the silicone oil working chamber is formed by a set of first annular walls arranged on the clutch housing and a set of second annular walls arranged on the driven disc, and the first annular walls and the second annular walls are oppositely inserted to form the silicone oil working chamber.
Preferably, the sealing water seal comprises a dynamic sealing ring and a static sealing ring, wherein the dynamic sealing ring is connected to the driving shaft, the static sealing ring is connected to the water pump shell, and the dynamic sealing ring is connected to the inner side of the static sealing ring in a rotating and sealing mode.
Preferably, the water pump housing is connected to a protective case covering the pulley and the clutch housing.
On the other hand, the application provides an engine cooling system applying the variable flow water pump of the engine electric control silicone oil clutch, which comprises an engine provided with a cooling circulation pipeline,
an input port of the cooling circulation pipeline is communicated with a water outlet of the engine electric control silicone oil clutch variable-flow water pump, an output port of the cooling circulation pipeline is communicated with a heat dissipation box, and the heat dissipation box is communicated with a water inlet of the engine electric control silicone oil clutch variable-flow water pump;
the variable flow water pump of the engine electric control silicone oil clutch is electrically connected with the control system;
the engine is provided with a sensor which is electrically connected with the control system.
Preferably, a speed sensor of the engine electric control silicone oil clutch variable-flow water pump is electrically connected with the control system, and an electromagnetic coil system of the engine electric control silicone oil clutch variable-flow water pump is electrically connected with the control system.
Preferably, the engine is provided with a sensor including a temperature sensor and a rotation speed sensor, the temperature sensor is disposed on the cooling circulation line, and the rotation speed sensor is disposed on an output shaft of the engine.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
this automatically controlled silicon oil clutch variable flow water pump of engine that this application embodiment provided by automatically controlled silicon oil clutch utilizes hydraulic drive's principle, through the rotation of belt pulley drives the clutch housing rotates, the clutch housing passes through adjustable silicon oil and drives the driven plate and rotate, the driven plate passes through the drive shaft drives the impeller rotates, utilizes hydraulic drive to realize the stepless speed regulation to the water pump impeller, and it is steady to have the transmission, the fast advantage of reaction. The application that this application provided engine cooling system of automatically controlled silicon oil clutch variable flow water pump of engine utilizes control system through set up in the temperature sensor monitoring engine of engine, control system utilizes speedtransmitter measures the rotational speed of the automatically controlled silicon oil clutch variable flow water pump of engine, through control system is according to engine temperature control the automatically controlled silicon oil clutch variable flow water pump of engine realizes when the engine just starts, the automatically controlled silicon oil clutch variable flow water pump low-power of engine or shut down to accelerate the heat engine of engine, reduce the start-up oil consumption, the fuel fully burns when guaranteeing to start, and it is clean to discharge tail gas.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic diagram of an engine electric control silicone oil clutch variable flow water pump provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a water pump housing of an electronically controlled silicone oil clutch variable flow water pump of an engine provided in an embodiment of the present application;
fig. 3 is a schematic diagram of an engine cooling system using the variable flow water pump of the electronically controlled silicone oil clutch of the engine according to the embodiment of the application.
The reference numbers and meanings in the figures are as follows: 1. the water pump comprises a water pump shell, 2, an impeller, 3, a sealing water seal, 4, a cascade bearing, 41, a driving shaft, 42, a first sleeve, 43, a second sleeve, 5, an electric control silicon oil clutch, 51, a clutch shell, 52, a silicon oil working cavity, 53, a driven plate, 54, an electromagnetic coil system, 6, a belt pulley, 7, a speed sensor, 8, a wire harness joint, 9, a bolt hole, 10 and a waist hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
FIG. 1 is a schematic diagram of an engine electric control silicone oil clutch variable flow water pump provided in an embodiment of the present application; FIG. 2 is a schematic diagram of a water pump housing of an electronically controlled silicone oil clutch variable flow water pump of an engine provided in an embodiment of the present application; fig. 3 is a schematic diagram of an engine cooling system using the variable flow water pump of the electronically controlled silicone oil clutch of the engine according to the embodiment of the application.
Referring to fig. 1, the application provides an engine electric control silicone oil clutch variable flow water pump, which comprises a water pump body, wherein the water pump body comprises a water pump shell 1 and an impeller 2 rotatably arranged in the water pump shell 1, the water pump shell 1 comprises a cavity for accommodating the impeller 2, one side of the cavity is provided with a tubular connecting part, and the cavity is communicated with a water inlet and a water outlet; in the specific implementation process, the water pump shell 1 is made of die-cast aluminum, and the water pump shell 1 is provided with a bolt hole 9 and a waist hole 10 which are convenient to connect.
The connecting part of the water pump shell 1 is connected with a cascade bearing 4, the cascade bearing 4 is rotationally connected with a belt pulley 6, the belt pulley 6 is connected with an electric control silicon oil clutch 5, and the electric control silicon oil clutch 5 is connected with the impeller 2 through the cascade bearing 4; in a specific implementation process, the electrically controlled silicone oil clutch 5 includes a clutch housing 51 connected to one side of the pulley 6, and the clutch housing 51 and one side of the pulley 6 form a chamber. The electric control silicon oil clutch also comprises a driven disc 53 which is positioned in the cavity and connected with the cascade bearing 4, and a silicon oil working cavity 52 is arranged between the driven disc 53 and the clutch shell 51; the driven disc 53 is connected to the tandem bearing 4. The electric control silicone oil clutch further comprises an electromagnetic coil system 54 which is arranged on the water pump shell 1 and used for adjusting silicone oil in the silicone oil working cavity, and the electromagnetic coil system 54 is electrically connected with the wire harness connector 8. The electric control silicone oil clutch 5 utilizes a hydraulic transmission principle to drive the clutch shell 51 to rotate through the belt pulley 6, and the clutch 51 drives the driven disc 53 to rotate through the silicone oil. The electromagnetic coil system 54 includes a brake pad for controlling the oil path of the silicon oil working chamber 52, and the silicon oil in the silicon oil working chamber 52 is adjusted by opening and closing the brake pad.
In a specific implementation process, the cascade bearing 4 is a three-stage cascade bearing, the cascade bearing 4 includes a driving shaft 41 located at the center, the driving shaft 41 traverses the connecting portion, one end of the driving shaft 41 extends into the cavity to connect with the impeller 2, and specifically, the impeller 2 is a closed impeller. The other end of the driving shaft 41 is connected to the driven plate 53, the driving shaft 41 is sleeved on a first sleeve 42 of the driving shaft 41 through a primary ball rolling connection, specifically, a plurality of sets of primary rollers are arranged between the first sleeve 42 and the driving shaft 41, the outer wall of the first sleeve 42 is connected to the belt pulley 6, the first sleeve 42 is sleeved on a second sleeve 43 of the first sleeve 42 through a secondary ball rolling connection, and the second sleeve 43 is connected to the end of the connecting part of the water pump housing 1. The pulley 6 is rotatably connected to the water pump housing 1 by the engagement of the first bushing 42 and the second bushing 43, and the driven plate 53 is rotatably connected to the water pump housing 1 by the engagement of the driving shaft 41, the second bushing 42 and the second bushing 43.
In a specific implementation process, a sealing water seal 3 is arranged at the joint of the cascade bearing 4 and the water pump shell 1; the sealing water seal 3 comprises a dynamic sealing ring and a static sealing ring, wherein the dynamic sealing ring is connected with the driving shaft 41, the static sealing ring is connected with the water pump shell 1, and the dynamic sealing ring is connected with the inner side of the static sealing ring in a rotating and sealing mode. The static sealing ring and the dynamic sealing ring are made of double silicon carbide materials. A sealing arrangement is provided between the first sleeve 42 and the drive shaft 41, which sealing arrangement likewise comprises two sealing rings which are sealingly and rotatably connected together, one sealing ring being connected to the drive shaft 41 and the other sealing ring being connected to the second sleeve 42.
And a speed sensor 7 for measuring the rotating speed is arranged on the cascade bearing 4. Specifically, the speed sensor 7 is disposed at the driving shaft 41 in the connection portion of the water pump housing 1, and the acceleration sensor 7 is electrically connected to the harness joint 8. In particular, one possible speed sensor 7 is a hall wheel speed sensor.
In a specific implementation process, the silicone oil working chamber 52 is formed by a set of first annular walls disposed on the clutch housing 51 and a set of second annular walls disposed on the driven plate 53, and the first annular walls and the second annular walls are inserted into each other to form the silicone oil working chamber 52.
In a specific implementation, the water pump housing 1 is connected to a protective casing covering the pulley 6 and the clutch housing 51.
In another aspect, referring to fig. 3, the present application provides an engine cooling system using the variable flow water pump of the electronically controlled silicone oil clutch of the engine, including:
the engine is provided with a cooling circulation pipeline, and the cooling circulation pipeline is used for circulating cooling water to cool the engine. The input port of the cooling circulation pipeline is communicated with a water outlet of the engine electric control silicone oil clutch variable-flow water pump, the output port of the cooling circulation pipeline is communicated with a heat dissipation box, and the heat dissipation box is communicated with a water inlet of the engine electric control silicone oil clutch variable-flow water pump.
The variable flow water pump of the engine electric control silicone oil clutch is electrically connected with the control system; specifically, the control system adopts an electronic Engine Control Unit (ECU), and is electrically connected to the harness interface 8 through a communication line, and is connected to the electromagnetic coil system 54 and the speed sensor 7 through the harness interface 8.
The engine is provided with a sensor which is electrically connected with the control system. Specifically, the engine is provided with a sensor including a temperature sensor and a rotation speed sensor, the temperature sensor is disposed on the cooling circulation line, and the rotation speed sensor is disposed on an output shaft of the engine.
The principle of the engine cooling system applying the variable flow water pump of the engine electric control silicone oil clutch provided by the embodiment of the application is as follows:
the control system acquires state parameters of the engine through the sensor, wherein the state parameters comprise the temperature of cooling liquid, the temperature of intake air after intercooling, the load of the engine, the oil injection quantity, the parameters of an air conditioner compressor and the parameters of an exhaust gas recirculation system, the control system is provided with a calibration table, the required rotating speed of the variable flow water pump of the electric control silicone oil clutch of the engine is calculated according to the state parameters by using the calibration table, and the control system controls the electric control silicone oil clutch 5 to realize the required rotating speed through PWM signals.
And when the temperature of the cooling liquid is determined to be lower than a certain threshold value through the calibration meter, the rotating speed of the variable flow water pump of the electric control silicone oil clutch of the engine is adjusted to be low. When the engine is in low ambient temperature and partial vehicle load, particularly when the engine is in cold start, the engine cooling system applying the variable flow water pump of the engine electric control silicon oil clutch is in low power or stops working.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An electric control silicone oil clutch variable flow water pump of an engine is characterized by comprising a water pump body, wherein,
the water pump body comprises a water pump shell (1) and an impeller (2) rotatably arranged in the water pump shell (1), and the water pump shell (1) is provided with a water inlet and a water outlet;
the water pump shell (1) is connected with a cascade bearing (4), the cascade bearing (4) is rotatably connected with a belt pulley (6), the belt pulley (6) is connected with an electric control silicon oil clutch (5), and the electric control silicon oil clutch (5) is connected with the impeller (2) through the cascade bearing (4);
a sealing water seal (3) is arranged at the joint of the cascade bearing (4) and the water pump shell (1);
and a speed sensor (7) for measuring the rotating speed is arranged on the cascade bearing (4).
2. The variable flow water pump of the electric control silicone oil clutch of the engine according to claim 1, characterized in that the electric control silicone oil clutch (5) comprises:
a clutch housing (51) connected to one side of the pulley (6),
a driven disc (53) connected to the cascade bearing (4), wherein a silicon oil working cavity (52) is arranged between the driven disc (53) and the clutch housing (51);
the electromagnetic coil system (54) is arranged on the water pump shell (1) and used for adjusting the silicone oil in the silicone oil working cavity, and the electromagnetic coil system (54) is electrically connected with the wire harness connector (8).
3. The variable flow water pump of the engine electric control silicone oil clutch as recited in claim 2, wherein the cascade bearing (4) comprises a driving shaft (41) located at the center, the driving shaft (41) is connected with the driven plate (53), the driving shaft (41) is sleeved on a first sleeve (42) of the driving shaft (41) through a primary ball rolling connection, the outer wall of the first sleeve (42) is connected with the belt pulley (6), the first sleeve (42) is sleeved on a second sleeve (43) of the first sleeve (42) through a secondary ball rolling connection, and the second sleeve (43) is connected with the water pump housing (1).
4. The electrically controlled silicone oil clutch variable-flow water pump of the engine according to claim 3, characterized in that a sealing structure is provided between the first sleeve (42) and the drive shaft (41).
5. The variable flow water pump of the electrically controlled silicone oil clutch of the engine according to claim 2, characterized in that the silicone oil working chamber (52) is formed by a set of first annular walls provided on the clutch housing (51) and a set of second annular walls provided on the driven disc (53), the first and second annular walls being relatively inserted to form the silicone oil working chamber (52).
6. The electrically controlled silicone oil clutch variable-flow water pump of engine according to claim 3, characterized in that the sealing water seal (3) comprises a dynamic sealing ring and a static sealing ring, wherein the dynamic sealing ring is connected to the driving shaft (41), the static sealing ring is connected to the water pump housing (1), and the dynamic sealing ring is connected to the inner side of the static sealing ring in a rotating and sealing manner.
7. The electrically controlled silicone oil clutch variable-flow water pump of the engine according to claim 2, characterized in that the water pump housing (1) is connected with a protective shell covering the pulley (6) and the clutch housing (51).
8. An engine cooling system applying the variable flow water pump of the electric control silicone oil clutch of the engine is characterized by comprising the engine provided with a cooling circulation pipeline,
an input port of the cooling circulation pipeline is communicated with a water outlet of the engine electric control silicone oil clutch variable-flow water pump, an output port of the cooling circulation pipeline is communicated with a heat dissipation box, and the heat dissipation box is communicated with a water inlet of the engine electric control silicone oil clutch variable-flow water pump;
the variable flow water pump of the engine electric control silicone oil clutch is electrically connected with the control system;
the engine is provided with a sensor which is electrically connected with the control system.
9. The engine cooling system using the variable water pump of the engine electrically controlled silicone oil clutch as defined in claim 8, wherein a speed sensor of the variable water pump of the engine electrically controlled silicone oil clutch is electrically connected to the control system, and an electromagnetic coil system of the variable water pump of the engine electrically controlled silicone oil clutch is electrically connected to the control system.
10. The engine cooling system applying the variable water pump of the engine electrically controlled silicone oil clutch as recited in claim 8, wherein the sensors disposed on the engine include a temperature sensor and a rotation speed sensor, the temperature sensor is disposed on the cooling circulation pipeline, and the rotation speed sensor is disposed on an output shaft of the engine.
CN202120548425.1U 2021-03-16 2021-03-16 Variable flow water pump and cooling system of engine electric control silicone oil clutch Active CN214887337U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120548425.1U CN214887337U (en) 2021-03-16 2021-03-16 Variable flow water pump and cooling system of engine electric control silicone oil clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120548425.1U CN214887337U (en) 2021-03-16 2021-03-16 Variable flow water pump and cooling system of engine electric control silicone oil clutch

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CN214887337U true CN214887337U (en) 2021-11-26

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CN202120548425.1U Active CN214887337U (en) 2021-03-16 2021-03-16 Variable flow water pump and cooling system of engine electric control silicone oil clutch

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115750062A (en) * 2022-11-23 2023-03-07 无锡惠山泵业有限公司 Clutch water pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115750062A (en) * 2022-11-23 2023-03-07 无锡惠山泵业有限公司 Clutch water pump
CN115750062B (en) * 2022-11-23 2023-09-15 无锡惠山泵业有限公司 Clutch water pump

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