Control system of silicone oil fan clutch and vehicle

Abstract

The utility model discloses a control system of a silicone oil fan clutch and a vehicle, and the electrical system comprises an electromagnetic control switch which is used for controlling the opening and closing of an oil outlet between an oil storage cavity and a working cavity in the silicone oil fan clutch; the vehicle-mounted storage battery and the electromagnetic control switch are connected to a first circuit in series to form electric connection, and the vehicle-mounted storage battery is used for supplying power to the electromagnetic control switch after the whole vehicle is powered off. After the vehicle is powered off, the electromagnetic control switch is normally powered through the vehicle-mounted storage battery, so that the valve plate is located at the closed position, oil in the oil storage cavity is not prone to flowing into the working cavity, and therefore when the vehicle is started next time, the working cavity is in the state of no oil or little oil, and the fan cannot run at a high speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially is related to a silicon oil fan clutch's control system and vehicle. BACKGROUND

[0002] The fan mainly used in domestic commercial vehicle is electric control silicon oil fan, which works through the shearing force of silicon oil between input shaft and shell. When the vehicle has fan cooling demand, the control valve piece is opened, the silicon oil flows from the oil storage cavity into the working cavity, at this time the fan runs at high speed; when the vehicle has no fan cooling demand, the control valve piece is closed, the silicon oil no longer flows into the working cavity, and under the action of centrifugal force, the silicon oil returns to the working cavity, at this time the fan runs at low speed, so as to save fuel. Usually, the valve piece switch of the fan is designed to be opened in power-off state and closed in power-on state, so as to prevent the fan from running at high speed in the case that the control line of the electric control silicon oil fan is broken, at this time the vehicle can run normally.

[0003] The existing technical problem is that when the user stops, the vehicle is powered off, and the control valve piece of the fan is opened. At this time, the oil outlet of the fan is at a low position, and the silicon oil will flow from the oil storage cavity to the working cavity, although the process is not fast, but if the downtime is long (for example, parking for a night), the fan will run at high speed when starting again. The high-speed operation of the fan causes the water temperature to rise slowly, especially in cold weather, which affects the defrosting effect of the cab and the use of the warm air; at the same time, the fan is noisy and easy to raise dust, which affects the environment. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in the prior art. For this purpose, the utility model provides a control system of silicon oil fan clutch, after the vehicle is powered off, the electromagnetic control switch is usually powered by the vehicle storage battery, so that the valve piece is in the closed position, so that the oil in the oil storage cavity is not easy to flow into the working cavity, so that the fan will not run at high speed when the vehicle starts next time.

[0005] The utility model further provides a vehicle.

[0006] According to the control system of silicon oil fan clutch of the utility model first aspect embodiment, including: electromagnetic control switch, for controlling the opening and closing of the oil outlet between the oil storage cavity and the working cavity in the silicon oil fan clutch;Vehicle storage battery, the vehicle storage battery and the electromagnetic control switch are connected in series in the first circuit to form an electrical connection, the vehicle storage battery is used for powering the electromagnetic control switch after the whole vehicle is powered off.

[0007] The control system of the silicone oil fan clutch according to the embodiments of the utility model, after the vehicle is powered off, the electromagnetic control switch is normally powered by the vehicle storage battery, so that the valve plate is in the closed position, so the oil in the oil storage cavity is not easy to flow into the working cavity, thereby when the vehicle is started next time, the fan will not run at high speed.

[0008] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: a delay relay, the vehicle storage battery, the electromagnetic control switch and the delay relay are connected in series in the first circuit to form an electrical connection, and the delay relay is used for controlling the delay power-off of the electromagnetic control switch.

[0009] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: a controller, the vehicle storage battery, the controller and the electromagnetic control switch are connected in series in the second circuit to form an electrical connection, and the controller is used for controlling the power-on and power-off of the electromagnetic control switch after the vehicle is powered on.

[0010] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: an ignition switch, when the ignition switch is in the OFF gear, the ignition switch, the vehicle storage battery and the electromagnetic control switch can form a first power supply circuit, and when the ignition switch is in the ON gear, the ignition switch, the vehicle storage battery and the controller can form a second power supply circuit.

[0011] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: a power device, the power device is connected with the vehicle storage battery, when the ignition switch is in the ON gear, the power device is in the vehicle power-on state, and the power device and the vehicle storage battery can form a charging circuit.

[0012] According to some embodiments of the utility model, the controller is any one of a vehicle controller and a fan controller.

[0013] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: a rotating speed sensor and / or a temperature sensor, the rotating speed sensor is used for detecting the rotating speed of the fan, the temperature sensor is used for detecting the temperature of the power device, and the rotating speed sensor and the temperature sensor are respectively connected with the controller in signal.

[0014] According to some embodiments of the utility model, the electromagnetic control switch includes a valve plate, when the electromagnetic control switch is powered off, the valve plate is opened to make the oil outlet open, and when the electromagnetic control switch is powered on, the valve plate is closed to make the oil outlet closed.

[0015] According to some embodiments of the present application, the electromagnetic control switch further comprises: a magnetic core and a magnetic coil, when the magnetic coil is energized, the magnetic core applies the magnetic force generated by the magnetic coil to the valve piece, so that the valve piece is closed.

[0016] According to the vehicle of the second aspect of the present application, the control system of the silicone oil fan clutch is provided.

[0017] The additional aspects and advantages of the present application will be partially given in the following description, some will become apparent from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0019] Figure 1 is a structural schematic diagram of a silicone oil fan clutch according to an embodiment of the present application;

[0020] Figure 2 is a circuit schematic diagram of a control system of a silicone oil fan clutch according to an embodiment of the present application.

[0021] REFERENCE NUMERALS:

[0022] 1, oil storage cavity; 2, working cavity; 3, valve piece; 4, magnetic core; 5, oil path. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below, and the embodiments described with reference to the accompanying drawings are exemplary, and the embodiments of the present application will be described in detail below.

[0024] The embodiments of the present application will be described in detail below, and the embodiments described with reference to the accompanying drawings are exemplary, and the embodiments of the present application will be described in detail below. Figures 1-2 The control system of the silicone oil fan clutch according to the embodiments of the present application is described below.

[0025] As shown in Figure 1 and Figure 2 The control system of the silicone oil fan clutch comprises: an electromagnetic control switch and a vehicle-mounted storage battery.

[0026] The electromagnetic control switch is used for controlling opening and closing of the oil outlet between the oil storage cavity 1 and the working cavity 2 of the silicone oil fan clutch. Specifically, the silicone oil fan clutch has the oil storage cavity 1 and the working cavity 2, the oil outlet is arranged on the cavity wall between the oil storage cavity 1 and the working cavity 2, the oil path 5 is formed between the oil storage cavity 1 and the working cavity 2, and the oil return port is arranged on one side of the working cavity 2. When the vehicle has the fan cooling demand, the electromagnetic control switch opens the oil outlet, so that the silicone oil flows from the oil storage cavity 1 to the working cavity 2 through the oil outlet, and at this time, the high-speed operation of the fan is realized; when the vehicle does not have the fan cooling demand, the electromagnetic control switch closes the oil outlet, so that the silicone oil does not flow into the working cavity 2 any more, and under the action of the centrifugal force, the silicone oil flows back to the oil storage cavity 1 through the oil return port, and at this time, the low-speed operation of the fan is realized, so that the fuel saving purpose is achieved.

[0027] However, when the user stops the machine, the vehicle is powered off, and the electromagnetic control switch is in the state of opening the oil outlet. At this time, if the oil outlet of the fan is at a low position, the silicone oil will flow from the oil storage cavity 1 to the working cavity 2, although the process is not fast, but if the stop time is long (for example, parking for a night), when starting again, the fan will be in the high-speed operation state.

[0028] Therefore, the vehicle-mounted storage battery and the electromagnetic control switch are connected in series in the first circuit to form the electrical connection, and the vehicle-mounted storage battery is used for supplying power to the electromagnetic control switch after the whole vehicle is powered off. In this way, when the vehicle is powered off and stopped, the electromagnetic control switch is normally powered by the vehicle-mounted storage battery, so that the oil outlet of the silicone oil fan clutch is in the closed state, so that the oil in the oil storage cavity 1 will not flow into the working cavity 2, so that when the vehicle is started next time, the working cavity 2 is in the state of no oil or a small amount of oil, so that it can be ensured that the fan will not be in the high-speed operation state.

[0029] Therefore, the vehicle-mounted storage battery and the electromagnetic control switch are connected in series in the first circuit to form the electrical connection, and the vehicle-mounted storage battery is used for supplying power to the electromagnetic control switch after the whole vehicle is powered off. In this way, when the vehicle is powered off and stopped, the electromagnetic control switch is normally powered by the vehicle-mounted storage battery, so that the oil outlet of the silicone oil fan clutch is in the closed state, so that the oil in the oil storage cavity 1 will not flow into the working cavity 2, so that when the vehicle is started next time, the fan will not be in the high-speed operation state. That is, the control system of the silicone oil fan clutch can realize that the silicone oil fan clutch can be quickly separated when starting for the first time, so that the fan enters the low-speed operation purpose. In addition, the problem that the water temperature rises slowly due to the high-speed operation of the fan when the vehicle is started for the first time, which affects the defrosting effect of the cab and the use of the warm air, is effectively avoided. At the same time, the problem that the fan noise is large and the dust is easily raised to affect the environment due to the high-speed operation of the fan when the vehicle is started for the first time is avoided.

[0030] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: a delay relay, the vehicle-mounted storage battery, the electromagnetic control switch and the delay relay are connected in series in the first circuit to form the electrical connection, and the delay relay is used for controlling the delay power-off of the electromagnetic control switch.

[0031] As shown in Figure 2 As shown in the figure, in view of the risk of the on-board storage battery being discharged, a time delay relay is connected in series in the first circuit, and when the vehicle is parked for a long time, the on-board storage battery is automatically powered off through the time delay relay after powering the electromagnetic control switch for a period of time, thereby preventing the battery from being damaged due to power consumption of the electromagnetic control switch in the case of long-term parking of the vehicle. That is, the time delay relay is added to protect the on-board storage battery, thereby ensuring that the vehicle can be started again.

[0032] According to some embodiments of the present application, the control system of the silicone oil fan clutch further comprises: a controller, the on-board storage battery, the controller and the electromagnetic control switch are connected in series in the second circuit to form an electrical connection, and the controller is used to control the power-on and power-off of the electromagnetic control switch after the whole vehicle is powered on.

[0033] As shown in Figure 2 As shown in the figure, after the vehicle is powered on, that is, when the vehicle and the power device are working normally, the electromagnetic control switch is controlled by the controller, and the controller controls the power-on and power-off of the electromagnetic control switch according to whether the vehicle has a fan cooling demand. That is, when the vehicle has a fan cooling demand, the controller controls the electromagnetic control switch to be powered off, thereby opening the oil outlet, allowing the silicone oil to flow from the oil storage cavity 1 into the working cavity 2, at which time the fan runs at high speed; when the vehicle does not have a fan cooling demand, the controller controls the electromagnetic control switch to be powered on, thereby closing the oil outlet, so that the silicone oil no longer flows into the working cavity 2, and under the action of centrifugal force, the silicone oil flows back to the oil storage cavity 1 through the oil return port, at which time the fan runs at low speed, thereby achieving the purpose of saving fuel.

[0034] Therefore, the control system of the silicone oil fan clutch of the present application can achieve the following functions:

[0035] First, the vehicle is parked for a long time: the electromagnetic control switch closes the oil outlet to prevent the silicone oil from flowing out, thereby achieving the control effect of the silicone oil fan clutch being separated quickly for the first time, and thereby allowing the fan to run at low speed.

[0036] Second, the vehicle is used normally: the fan and the electromagnetic control switch still work in the general state of the prior art, meeting the cooling demand of the power device and the demand for energy saving and noise reduction.

[0037] According to some embodiments of the present application, the control system of the silicone oil fan clutch further comprises: an ignition switch, when the ignition switch is in the OFF gear, the ignition switch and the on-board storage battery and the electromagnetic control switch can form a first power supply circuit, and when the ignition switch is in the ON gear, the ignition switch and the on-board storage battery and the controller can form a second power supply circuit.

[0038] It can be understood that when the ignition switch is in the ON gear, the vehicle and the power device are normally working, the controller (ECU, VCU, etc.) is powered on, and the controller inputs a PWM control signal to the electromagnetic control switch according to the vehicle demand, so as to open or close the oil outlet, thereby controlling the fan speed.

[0039] When the ignition switch is in the OFF gear, the vehicle and the power device are stopped running, and the controller is also powered off. At this time, the on-board storage battery is normally powered to the electromagnetic control switch, and the oil outlet is in the closed state, so that the oil in the oil storage cavity 1 is not easy to flow into the working cavity 2.

[0040] Therefore, by operating the gear state of the ignition switch, one of the first power supply circuit and the second power supply circuit is powered on, and the other is powered off, forming a circuit interlocking mode.

[0041] Exemplarily, the ignition switch is a common key switch.

[0042] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: a power device, the power device is connected with the on-board storage battery, when the ignition switch is in the ON gear, the power device is in the whole vehicle power-on state, and a charging circuit can be formed between the power device and the on-board storage battery.

[0043] According to some embodiments of the utility model, the controller is any one of a whole vehicle controller and a fan controller. That is, the controller can be a central controller of the vehicle power supply system, or a fan controller for separately controlling the fan, and the power-on and power-off of the electromagnetic control switch are controlled according to the control demand of the vehicle.

[0044] According to some embodiments of the utility model, the control system of the silicone oil fan clutch further includes: a speed sensor and / or a temperature sensor, the speed sensor is used for detecting the speed of the fan, and the temperature sensor is used for detecting the temperature of the power device, and the speed sensor and the temperature sensor are respectively connected with the controller.

[0045] Specifically, the working process of the silicone oil fan clutch of the utility model is as follows: a temperature sensor is arranged on the outer periphery of the engine, when the temperature is higher than the warning value, the temperature sensor transmits a temperature sensing signal to the controller, the controller controls the electromagnetic control switch to be powered off, the oil outlet is opened, and the fan rotates; the speed sensor transmits a fan speed signal to the controller in real time, when the fan speed reaches a certain speed, the controller controls the electromagnetic control switch to be powered on, the oil outlet is closed, and the fan is at a lower speed, or when the temperature sensor senses that the external temperature is lower than a certain warning value, the controller sends a signal to control the electromagnetic control switch to be powered on, the oil inlet hole is closed, and the fan is at a lower speed. Through the above operation, the accuracy of the fan speed is ensured, energy saving and consumption reduction are realized, and the production material cost and the installation cost are reduced.

[0046] In some embodiments of the utility model, electromagnetic control switch includes valve piece 3, when electromagnetic control switch is powered off, valve piece 3 opens to make oil outlet open, when electromagnetic control switch is powered on, valve piece 3 closes to make oil outlet close.

[0047] And, electromagnetic control switch still includes: magnetic core 4 and magnetic coil, when magnetic coil is powered on, magnetic core 4 will the magnetic force generated by magnetic coil act on valve piece 3 to make valve piece 3 close.

[0048] Specifically, when powered on, magnetic coil makes magnetic core 4 have magnetic force to attract valve piece 3 to close oil outlet, at this time, the silicon oil in working cavity 2 gradually all flows back to oil storage cavity 1 through oil return port under the action of centrifugal force, and fan starts to rotate at low speed, when power off, magnetic core 4 loses magnetic force, and valve piece 3 is separated from oil outlet, so as to open oil outlet, and the silicon oil in oil storage cavity 1 enters working cavity 2, so that fan rotates rapidly by the high viscosity of silicon oil.

[0049] In some embodiments of the utility model, silicon oil fan clutch includes driving shaft, shell, driving plate, driven plate and end cover. The driving shaft rotates synchronously with the engine rotating shaft, and the shell is fixed on the driving shaft through a bearing. The driving plate is fixedly connected to the driving shaft and rotates with the driving shaft. The end cover is located at the front end of the driving plate and is fixedly connected to the shell. The driven plate is located between the driving plate and the end cover and is fixed to the end cover. A fan is fixed to the driven plate and rotates with the driven plate. The oil storage cavity 1 and the working cavity 2 are formed between the driven plate and the shell. An oil outlet is formed on the wall between the oil storage cavity 1 and the working cavity 2. The silicon oil can flow from the oil storage cavity 1 to the working cavity 2 through the oil outlet. An oil return port is formed on one side of the working cavity 2. When the magnetic coil is powered on, the magnetic coil makes the driving shaft become the magnetic core 4.

[0050] The vehicle according to the second aspect of the utility model comprises a control system of the silicon oil fan clutch.

[0051] Therefore, the control system of the silicon oil fan clutch can realize the following functions:

[0052] Firstly, in the working condition that the vehicle is parked for a long time, the electromagnetic control switch is powered on by the vehicle battery, so that the valve piece 3 of the electromagnetic control switch is in the closed position. In this way, the oil in the oil storage cavity 1 does not flow into the working cavity 2, so that the fan does not rotate at high speed when the vehicle starts next time, and the silicon oil fan clutch can be quickly separated during the first start, so that the fan enters the low-speed rotating control effect. At the same time, the delay relay protects the vehicle battery.

[0053] Second, in the normal use of the vehicle working condition: through the controller according to the vehicle demand control electromagnetic control switch power on and power off, the fan can meet the cooling demand of power device and energy saving and noise reduction demand.

[0054] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0055] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example.

[0056] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A control system for a silicone oil fan clutch, comprising: The control system comprises: an electromagnetic control switch for controlling the opening and closing of an oil outlet between an oil storage cavity and a working cavity in the silicone oil fan clutch; a vehicle storage battery connected in series with the electromagnetic control switch in a first circuit to form an electrical connection, the vehicle storage battery being used to supply power to the electromagnetic control switch after the vehicle is powered off.

2. The control system of a silicone oil fan clutch according to claim 1, wherein Further comprising: a time delay relay connected in series with the vehicle storage battery and the electromagnetic control switch in the first circuit to form an electrical connection, the time delay relay being used to control the time delay power-off of the electromagnetic control switch.

3. The control system of a silicone oil fan clutch of claim 1, wherein, Further comprising: a controller connected in series with the vehicle storage battery and the electromagnetic control switch in a second circuit to form an electrical connection, the controller being used to control the power-on and power-off of the electromagnetic control switch after the vehicle is powered on.

4. The control system of a silicone oil fan clutch according to claim 3, wherein Further comprising: an ignition switch, when the ignition switch is in an OFF position, the ignition switch can form a first power supply circuit with the vehicle storage battery and the electromagnetic control switch, and when the ignition switch is in an ON position, the ignition switch can form a second power supply circuit with the vehicle storage battery and the controller.

5. The control system of a silicone oil fan clutch of claim 4, wherein, Further comprising: a power device connected with the vehicle storage battery, when the ignition switch is in the ON position, the power device is in a vehicle power-on state, and a charging circuit can be formed between the power device and the vehicle storage battery.

6. The control system of a silicone oil fan clutch of claim 3 wherein, The controller is any one of a vehicle controller and a fan controller.

7. The control system of a silicone oil fan clutch of claim 3, wherein, Further comprising: a rotational speed sensor for detecting the rotational speed of the fan and a temperature sensor for detecting the temperature of the power device, the rotational speed sensor and the temperature sensor being respectively connected with the controller in signal.

8. The control system of a silicone oil fan clutch of claim 1 wherein, The electromagnetic control switch comprises a valve piece, when the electromagnetic control switch is powered off, the valve piece is opened to open the oil outlet, and when the electromagnetic control switch is powered on, the valve piece is closed to close the oil outlet.

9. The control system of a silicone oil fan clutch of claim 8, wherein, The electromagnetic control switch further comprises a magnetic core and a magnetic coil, when the magnetic coil is powered on, the magnetic core applies the magnetic force generated by the magnetic coil to the valve piece to close the valve piece.

10. A vehicle characterized by comprising: The control system comprises: the control system of the silicone oil fan clutch according to any one of claims 1-9.

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