CN210240652U - Oil circuit switching device, oil circuit control system and vehicle - Google Patents
Oil circuit switching device, oil circuit control system and vehicle Download PDFInfo
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- CN210240652U CN210240652U CN201921226408.5U CN201921226408U CN210240652U CN 210240652 U CN210240652 U CN 210240652U CN 201921226408 U CN201921226408 U CN 201921226408U CN 210240652 U CN210240652 U CN 210240652U
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Abstract
The utility model provides an oil circuit auto-change over device, oil circuit control system and vehicle, wherein, oil circuit auto-change over device includes: the valve body is internally provided with a flow guide channel; the valve core is positioned in the valve body and used for switching the conduction and the closing state of the flow guide channel; the driving part is arranged on the valve body, is connected with the valve core and is used for driving the valve core to move; the emergency braking component is arranged on the valve body and connected with the valve core, and the emergency braking component can drive the valve core to move when the driving component breaks down so as to change the conduction state of the oil way switching device. The utility model provides an oil circuit auto-change over device sets up the emergency braking part that has emergent override function on the valve body, when drive assembly breaks down or other emergency appears, directly drives the valve core motion through emergency braking part, promotes oil circuit auto-change over device's security performance, can guarantee oil circuit auto-change over device's normal use.
Description
Technical Field
The utility model relates to an engineering machine tool technical field particularly, relates to an oil circuit auto-change over device, oil circuit control system and vehicle.
Background
At present, because the diesel engine has the advantages of good economy, high reliability, high power and the like, most trucks use the diesel engine as the power of the whole truck. However, in some extremely cold regions, due to the fact that the temperature is low, the diesel engine is often difficult to start, and the fuel pipeline is blocked due to low-temperature wax precipitation of the fuel, so that the vehicle cannot be used.
The high-grade fuel oil is low in price, but has a high wax precipitation point, is inconvenient to use in cold regions, and the low-grade fuel oil is not easy to precipitate wax, but has a high price. In order to solve the working problem of vehicles in cold regions, a double-grade fuel tank is usually used, wherein a main fuel tank is filled with high-grade fuel oil, and a secondary fuel tank is filled with low-grade fuel oil. When starting, the low-grade fuel oil in the auxiliary fuel tank is used first, and the high-grade fuel oil in the main fuel tank is used after the heat engine. At present, rotary valves are generally adopted, but in the actual use process, the rotary valves are easy to be stuck by adopting a cam structure, and the problems of oil leakage of an auxiliary oil tank, incapability of switching to a main oil tank and the like occur.
In the related art, as shown in fig. 1, a first liquid inlet 162 'and a second liquid inlet 164' are disposed below an oil path switching device 100 ', a liquid inlet 18' is disposed above the oil path switching device 100 ', a flat cam 14' is disposed on an oil path shaft 12 'of the oil path switching device 100', the flat cam 14 'is connected to a switching push rod 20', and the switching push rod 20 'is driven by the flat cam 14' to drive a valve core 22 'on the switching push rod 20' to move, so as to switch oil paths. However, in this way, the valve core 22' always has an offset load force, and the valve core is often stuck in practical use.
In the related art, as shown in fig. 2, a first liquid inlet 182 ' and a second liquid inlet 184 ' are disposed below the oil path switching device 100 ', a liquid inlet 16 ' is disposed above the oil path switching device 100 ', and permanent magnets 24 ' are disposed on two sides of the oil path switching device 100 ', and the permanent magnets 24 ' drive the valve core shaft 26 ' to move, so as to switch the oil path. However, this method uses the magnetic retaining principle, and the unreliability of the permanent magnet 24' cannot be avoided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model discloses the first aspect provides an oil circuit auto-change over device.
The utility model discloses the second aspect provides an oil circuit control system.
The utility model discloses the third aspect provides a vehicle.
The utility model discloses the first aspect provides an oil circuit auto-change over device, include: the valve body is internally provided with a flow guide channel; the valve core is positioned in the valve body and used for switching the conduction and the closing state of the flow guide channel; the driving part is arranged on the valve body, is connected with the valve core and is used for driving the valve core to move; the emergency braking component is arranged on the valve body and connected with the valve core, and the emergency braking component can drive the valve core to move when the driving component breaks down so as to change the conduction state of the oil way switching device.
The utility model provides an oil circuit auto-change over device includes valve body, case, driver part and emergent braking part. The valve body is internally provided with a flow guide channel, and the valve core is positioned in the valve body and can move under the driving of the driving part so as to conduct or close the flow guide channel; an emergency braking component connected with the valve core is arranged on the valve body, and the emergency braking component has an emergency override function. In the use process of the oil way switching device, when the driving part breaks down or under other emergency conditions, the valve core can be directly driven to operate through the emergency braking part, so that the conduction state of the oil way switching device is changed, the safety performance of the oil way switching device is improved, and the normal use of the oil way switching device is ensured.
The utility model provides an oil circuit auto-change over device sets up the emergency braking part that has emergent override function on the valve body, when drive unit broke down or other emergency appears, directly drives the valve core motion through the emergency braking part, promotes oil circuit auto-change over device's security performance, can guarantee oil circuit auto-change over device's normal use; through the switching of the oil way, the consumption of high-price fuel oil can be reduced to the maximum extent, so that the cost is reduced.
According to the utility model discloses foretell oil circuit auto-change over device can also have following additional technical characterstic:
in the above technical solution, preferably, the flow guide passage includes a first flow guide passage and a second flow guide passage, and the valve core is driven by the driving component or the emergency braking component to be switched between the first conducting position and the second conducting position; the valve core is positioned at a first conduction position, the first flow guide channel is conducted, and the second flow guide channel is closed; the valve core is located at a second conduction position, the second flow guide channel is conducted, and the first flow guide channel is closed.
In the technical scheme, the flow guide channel comprises a first flow guide channel and a second flow guide channel, and the valve core can be in a first conduction position or a second conduction position under the driving of the driving component or the emergency braking component. When the valve core is positioned at the first conduction position, the first flow guide channel is in a conduction state, and the second flow guide channel is in a closing state; when the valve core is located at the second conduction position, the second flow guide channel is in a conduction state, and the first flow guide channel is in a closing state. That is, in the use process of the oil path switching device, one of the first flow guide channel and the second flow guide channel is in a conducting state, and the other one is in a closing state. Through the setting of first water conservancy diversion passageway and second water conservancy diversion passageway, can guarantee that oil circuit auto-change over device realizes the transport of both different liquids, reduce the oil cost, avoid different kinds of liquid to mix simultaneously, guarantee safe in utilization.
In any one of the above technical solutions, preferably, the driving part includes: the electromagnet is arranged at one end of the valve body and connected with the valve core, and the emergency braking component and the electromagnet are positioned at the same end of the valve body; the elastic piece is arranged at the other end of the valve body and is abutted against the valve core; the valve core can be driven by the electromagnet to be in a first conduction position, and the valve core can be driven by the elastic piece to be in a second conduction position.
In the technical scheme, the driving part comprises an electromagnet and an elastic piece which are matched with each other, wherein the electromagnet and the elastic piece are respectively connected with two opposite ends of the valve core. When the electromagnet is electrified, the valve core can be driven to move towards the first conduction position, and the valve core is ensured to be stably positioned at the first conduction position; when the valve core is at the first conduction position, the electromagnet is in an electrified state, and the elastic piece is in a compressed state; when the electromagnet is powered off, the elastic part can provide restoring force for the valve core, and the valve core moves towards the second conduction position under the driving of the elastic part and is stably positioned at the second conduction position; when the valve core is at the second conduction position, the electromagnet is in a power-off state, and the elastic piece is in a normal state. Through the cooperation of electro-magnet and case, realize the effective switching of oil circuit, control accuracy is high, and the security performance is high, and replaces electro-magnet drive valve core through the elastic component and reply the motion, simplifies the structure and reduce cost.
Furthermore, considering that the elastic part has a long service life and high safety and reliability, the emergency braking part and the electromagnet are positioned at the same end of the valve body, and the elastic part is independently arranged at the other side. When the electromagnet breaks down, the emergency braking component is used for replacing the electromagnet, and the switching of different conduction states of the oil way switching device is realized through the matching of the emergency braking component and the elastic component. That is to say, the utility model provides an oil circuit auto-change over device regards the emergency braking part as the substitute driving part of electro-magnet to use emergency braking part drive valve core when the electro-magnet breaks down, guarantee oil circuit auto-change over device's normal use.
In any one of the above technical solutions, preferably, the valve core includes: one end of the valve rod is connected with the electromagnet and the emergency braking component, and the other end of the valve rod is abutted with the elastic component; and the sealing separation blade is arranged on the valve rod and can close the first flow guide channel or the second flow guide channel under the driving of the valve rod.
In the technical scheme, the valve core comprises a valve rod and a sealing separation blade arranged on the valve rod, wherein an electromagnet and an emergency braking component are connected with one end of the valve rod, and an elastic part is abutted with the other end of the valve rod; the size of the sealing baffle is matched with the flow passing areas of the first flow guide channel and the second flow guide channel. In the actual use process, the valve rod is driven to operate through the electromagnet or the emergency braking component, and then the valve rod drives the sealing separation blade to move, so that the switching between the first flow guide channel and the second flow guide channel is realized.
Specifically, the specific form of the sealing baffle is not limited, and the sealing baffle can be implemented as long as the first flow guide channel or the second flow guide channel can be plugged. Preferably, a resilient sealing flap is used to enhance the sealing properties.
In any of the above technical solutions, preferably, the valve body is provided with a first opening, a second opening and a third opening, the first opening and the second opening are located at one side of the valve body, and the third opening is located at the other side of the valve body; when the first opening is communicated with the third opening, the first flow guide channel is communicated, and the second flow guide channel is closed; when the second opening is communicated with the third opening, the first flow guide channel is closed, and the second flow guide channel is communicated.
In the technical scheme, a first opening, a second opening and a third opening are arranged on the valve body, wherein the first opening and the second opening are positioned on one side of the valve body and are respectively used as inlets of a first flow guide channel and a second flow guide channel; the third opening is positioned on one side of the valve body and is used as a common outlet of the first flow guide channel and the second flow guide channel. That is, when the valve core is at the first conduction position, the first opening is communicated with the third opening, and the second opening is blocked from the third opening, so that a first flow guide channel is formed; when the valve core is at the second conduction position, the second opening is communicated with the third opening, and the first opening is blocked from the third opening, so that a second flow guide channel is formed.
In any of the above technical solutions, preferably, the method further includes: the mounting plate is arranged on the valve body; and the control module is arranged on the mounting plate and is connected with the driving component, and the control module can control the driving component to work according to the received control signal so as to change the conduction state of the oil way switching device.
In the technical scheme, a mounting plate is arranged on a valve body, and a controller is arranged on the mounting plate; the control module can directly control the driving part to work according to the received control signal so as to change the conduction state of the oil way switching device. The whole control process is simple, the operation is convenient, and the integration level of the oil way switching device is improved.
In any of the above technical solutions, preferably, the method further includes: the detection component is arranged on the valve body, is connected with the control module and is used for detecting whether the valve core is positioned at a first conduction position or a second conduction position; and the alarm module is connected with the control module, and the control module can control the alarm module to give an alarm according to the detection result of the detection part.
In the technical scheme, a detection component connected with a control module is arranged on a valve body, and whether a valve core is in a first conduction position or a second conduction position is detected through the detection component; when the detection component detects that the valve core is at the first conduction position, the first flow guide channel is in a conduction state, and the second conduction state is in a closing state, so that the oil way switching device is proved to work normally; when the detection component detects that the valve core is at the second conduction position, the second flow guide channel is in a conduction state, and the first flow guide channel is in a closing state, so that the oil way switching device is proved to work normally; when the detection part detects that the valve core is not in the first conduction position or the second conduction position, the first flow guide channel and the second conduction state are simultaneously in the conduction state, the oil way switching device is proved to be in failure, the danger of liquid mixing of the first flow guide channel and the second flow guide channel exists, and the control module controls the alarm module to give an alarm so as to prompt a worker to overhaul and carry out follow-up treatment.
The utility model discloses the second aspect provides an oil circuit control system, include: a first tank and a second tank; and two oil circuit switching devices as in any one of the first aspect of the present invention; the first opening of one oil way switching device is communicated with a liquid outlet of a first oil tank, the second opening is communicated with a liquid outlet of a second oil tank, and the third opening is communicated with a liquid inlet of an engine; the first opening of the other oil way switching device is communicated with the liquid return port of the first oil tank, the second opening is communicated with the liquid return port of the second oil tank, and the third opening is communicated with the liquid outlet of the engine.
The utility model provides an oil circuit control system is provided with a first oil tank and a second oil tank, wherein, the first oil tank stores low-grade fuel oil, and the second oil tank stores high-grade fuel oil; the aim of this is to reduce the cost, because the high grade fuel is cheap, but the wax precipitation point is high, and the low grade fuel is inconvenient to use in cold regions, and the low grade fuel is not easy to precipitate wax, but the price is high.
In addition, set up one respectively at the both ends of engine the utility model discloses the oil circuit auto-change over device of first aspect, one of them oil circuit auto-change over device is as oil circuit control system's oil feed part, and another oil production part as oil circuit control system guarantees the circulation of oil circuit.
Specifically, a first opening of one oil path switching device is communicated with a liquid outlet of a first oil tank, a second opening is communicated with a liquid outlet of a second oil tank, and a third opening is communicated with a liquid inlet of the engine; the first opening of the other oil way switching device is communicated with the liquid return port of the first oil tank, the second opening is communicated with the liquid return port of the second oil tank, and the third opening is communicated with the liquid outlet of the engine.
That is, the low-grade fuel may circulate through the first diversion channels of the two oil passage switching devices, and the high-grade fuel may circulate through the second diversion channels of the two oil passage switching devices.
In the above technical solution, preferably, the method further includes: the oil path change-over switch is connected with the control module of the oil path change-over device and can send out a control signal, and the control module controls the driving component to work according to the received control signal so as to change the conduction state of the oil path change-over device; and the display screen is connected with the oil way switching switch and used for displaying the conduction state of the oil way switching device.
In the technical scheme, the oil circuit change-over switch is connected with the control module of the oil circuit change-over device, and for workers, only one control signal needs to be generated through the oil circuit change-over switch, the follow-up work can be realized through the control module, the whole intelligent degree is high, and the operation is convenient. Specifically, the oil circuit change-over switch and the controller can be connected by a control line or by wireless Bluetooth.
In addition, the display is connected with the oil circuit change-over switch, and when the staff sends out control signal through the oil circuit change-over switch, the display screen can show the control signal that the staff sent and oil circuit auto-change over device's current conducting state to the staff uses.
The utility model discloses the third aspect provides a vehicle, include: an oil circuit control system according to any one of the second aspect of the present invention; the oil circuit change-over switch and the display screen of the oil circuit control system are positioned in a cab of the vehicle.
The utility model provides a vehicle, because of include like the utility model discloses the oil circuit control system of any one of the aspect of the second has above-mentioned oil circuit control system's whole beneficial effect consequently, no longer states one by one here. In addition, an oil circuit change-over switch and a display screen of the oil circuit control system are positioned in a cab of the vehicle, so that the operation of workers is facilitated.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an oil path switching device in the related art;
fig. 2 is a schematic structural diagram of another oil passage switching device in the related art.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
100 ' oil path switching device, 12 ' oil path shaft, 14 ' plane cam, 16 ' liquid inlet, 162 ' first liquid inlet, 164 ' second liquid inlet, 18 ' liquid inlet, 182 ' first liquid inlet, 184 ' second liquid inlet, 20 ' ejector rod, 22 ' valve core, 24 ' permanent magnet and 26 ' valve core shaft.
Fig. 3 is a cross-sectional view of an oil passage switching device according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of another perspective of the oil path switching device of the embodiment shown in FIG. 3;
FIG. 5 is a schematic diagram of the operation of the position sensing device in the embodiment of FIG. 3;
fig. 6 is a cross-sectional view of an oil control system according to an embodiment of the present invention;
fig. 7 is an operation schematic diagram of the oil passage control system of the embodiment shown in fig. 6.
Wherein, the correspondence between the reference numbers and the part names in fig. 3 to 7 is:
100 oil circuit switching device, 12 valve body, 14 valve rod, 16 electromagnet, 18 elastic element, 202 first opening, 204 second opening, 206 third opening, 22 sealing baffle, 24 detection part, 242 first opening electromagnet coil, 244 first opening position switch, 246 second opening electromagnet coil, 248 second opening position switch, 26 emergency brake part, 28 mounting plate, 30 control module, 32 control line, 400 engine, 402 engine inlet, 404 engine outlet, 500 first oil tank, 502 first oil tank outlet, 504 first oil tank return port, 600 second oil tank, 602 second oil tank outlet, 604 second oil tank return port.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The oil circuit switching device 100, the oil circuit control system, and the vehicle according to some embodiments of the present invention are described below with reference to fig. 3 to 7.
As shown in fig. 3 and 4, an embodiment of the present invention provides an oil path switching device 100, including: the valve body 12 is provided with a first flow guide channel and a second flow guide channel inside; the valve core (in the figure, the valve rod 14 and the sealing baffle 22 together form the valve core) is positioned in the valve body 12 and used for switching the conduction and the closing of the first flow guide channel and the second flow guide channel; the driving part (in the figure, the electromagnet 16 and the elastic part 18 jointly form the driving part) is arranged on the valve body 12, is connected with the valve core and is used for driving the valve core to move; and the emergency braking part 26 is arranged on the valve body 12 and is connected with the valve core, and the emergency braking part 26 can drive the valve core to move when the driving part fails so as to change the conduction state of the oil path switching device 100.
The oil path switching device 100 of the present invention has a first diversion channel and a second diversion channel disposed in the valve body 12, and the valve core can be driven by the driving component or the emergency braking component 26 to change the conduction state of the first diversion channel and the second diversion channel; an emergency brake 26 is provided on the valve body 12, the emergency brake 26 being connected to the valve body and the emergency brake 26 having an emergency override function. When the oil path switching device 100 is in use, and a driving part fails or is in other emergency situations, the valve element can be directly driven to operate through the emergency braking part 26, so that the conduction state of the oil path switching device 100 is changed, the safety performance of the oil path switching device 100 is improved, and the normal use of the oil path switching device 100 is ensured. Through the arrangement of the first diversion channel and the second diversion channel, the oil path switching device 100 can be guaranteed to convey different liquids, and the oil consumption cost is reduced. Specifically, during the use of the oil path switching device 100, one of the first diversion channel and the second diversion channel is in a conducting state, and the other is in a closed state, and the emergency braking component 26 may adopt a rod-shaped structure, specifically, an emergency braking rod.
The oil circuit switching device 100 provided by the utility model has the advantages that the emergency braking part 26 with the emergency override function is arranged on the valve body 12, when the driving part breaks down or other emergency situations occur, the valve core is driven to move directly through the emergency braking part 26, the safety performance of the oil circuit switching device 100 is improved, and the normal use of the oil circuit switching device 100 can be ensured; through the switching of the oil way, the consumption of high-price fuel oil can be reduced to the maximum extent, so that the cost is reduced.
Specifically, the valve body 12 is provided with a first opening 202, a second opening 204 and a third opening 206, the first opening 202 and the second opening 204 are located on one side of the valve body 12, and the third opening 206 is located on the other side of the valve body 12. When the valve body 12 is at the first conducting position, the first opening 202 is communicated with the third opening 206, and the second opening 204 is blocked from the third opening 206, so as to form a first flow guide channel; when the valve core is located at the second conducting position, the second opening 204 is communicated with the third opening 206, and the first opening 202 is blocked from the third opening 206, so that a second flow guide channel is formed.
That is to say, in the using process of the oil path switching device 100, one of the first diversion channel and the second diversion channel is ensured to be in a conducting state, and the other is in a closing state, so that the mixing of different kinds of liquid can be avoided, and the use safety is ensured.
Preferably, the sealing flap 22 is located between the first opening 202 and the second opening 204 and opposite to the third opening 206, and the switching between the first flow guide channel and the second flow guide channel can be realized by one sealing flap 22.
As shown in fig. 3 and 4, another embodiment of the present invention provides an oil path switching device 100, including: the valve body 12 is provided with a first flow guide channel and a second flow guide channel inside; the valve core is positioned in the valve body 12 and used for switching the conduction and the closing state of the flow guide channel; the driving part is arranged on the valve body 12, is connected with the valve core and is used for driving the valve core to move; the emergency braking part 26 is arranged on the valve body 12 and connected with the valve core, and the emergency braking part 26 drives the valve core to move when the driving part fails so as to change the conduction state of the oil path switching device 100; the driving part comprises an electromagnet 16 and an elastic part 18, wherein the emergency braking part 26 is positioned at the same end of the valve body 12 as the electromagnet 16, and the elastic part 18 is positioned at the other end of the valve body 12.
In this embodiment, the driving member employs an electromagnet 16 and an elastic member 18 which are used in cooperation. When the electromagnet 16 is electrified, the valve core can be driven to move towards the first conduction position, and the valve core is ensured to be stably positioned at the first conduction position; when the valve core is in the first conducting position, the electromagnet 16 is in an electrified state, and the elastic element 18 is in a compressed state; when the electromagnet 16 loses power, the elastic element 18 can provide a restoring force for the valve core, at the moment, the valve core moves towards the second conduction position under the driving of the elastic element 18, and the valve core is stably positioned at the second conduction position; when the valve core is in the second conducting position, the electromagnet 16 is in a power-off state, and the elastic element 18 is in a normal state. The electromagnet 16 is matched with the valve core, so that effective switching of oil paths is realized, the control precision is high, the safety performance is high, the valve core is driven to return to move by replacing the electromagnet 16 through the elastic part 18, the structure is simplified, and the cost is reduced.
In addition, considering that the elastic member 18 has a long service life and high safety and reliability, the emergency braking member 26 is located at the same end of the valve body 12 as the electromagnet 16, and the elastic member 18 is separately provided at the other side. When the electromagnet 16 fails, the emergency braking component 26 is used to replace the electromagnet 16, and the emergency braking component 26 is matched with the elastic component 18 to realize the switching of different conduction states of the oil path switching device 100. That is to say, the utility model provides an oil circuit auto-change over device 100 regards emergency braking part 26 as the substitute drive part of electro-magnet 16 to use emergency braking part 26 to drive the valve core when electro-magnet 16 breaks down, guarantee oil circuit auto-change over device 100's normal use.
As shown in fig. 3 and 4, another embodiment of the present invention provides an oil path switching device 100, including: the valve body 12 is provided with a first flow guide channel and a second flow guide channel inside; the valve core is positioned in the valve body 12 and used for switching the conduction and the closing state of the flow guide channel; the driving part is arranged on the valve body 12, is connected with the valve core and is used for driving the valve core to move; the emergency braking part 26 is arranged on the valve body 12 and connected with the valve core, and the emergency braking part 26 drives the valve core to move when the driving part fails so as to change the conduction state of the oil path switching device 100; the valve core comprises a valve rod 14 and a sealing baffle 22, the sealing baffle 22 is arranged on the valve rod 14, and the size of the sealing baffle 22 is matched with the flow passing area of the first flow guide channel and the second flow guide channel.
In this embodiment, the valve core includes a valve rod 14 and a sealing baffle 22 arranged on the valve rod 14, an electromagnet 16 and an emergency braking component 26 are connected with one end of the valve rod 14, and an elastic component 18 is abutted with the other end of the valve rod 14; the sealing baffle 22 is disposed on the valve rod 14, and can block the first flow guiding channel or the second flow guiding channel under the driving of the valve rod 14.
Specifically, the specific form of the sealing flap 22 is not limited, and any sealing flap may be used as long as the sealing flap can seal the first flow guide channel or the second flow guide channel. Preferably, a resilient sealing flap 22 is used to promote sealing.
As shown in fig. 3 and 4, another embodiment of the present invention provides an oil path switching device 100, including: the valve body 12 is provided with a first flow guide channel and a second flow guide channel inside; the valve core is positioned in the valve body 12 and used for switching the conduction and the closing state of the flow guide channel; the driving part is arranged on the valve body 12, is connected with the valve core and is used for driving the valve core to move; the emergency braking part 26 is arranged on the valve body 12 and connected with the valve core, and the emergency braking part 26 drives the valve core to move when the driving part fails so as to change the conduction state of the oil path switching device 100; a mounting plate 28 and a control module 30, wherein the mounting plate 28 is disposed on the valve body 12 and the control module 30 is disposed on the mounting plate 28.
In this embodiment, a mounting plate 28 is provided on the valve body 12, and the controller is provided on the mounting plate 28; the control module 30 may directly control the driving component to operate according to the received control signal, so as to change the conduction state of the oil path switching device 100. The whole control process is simple and convenient to operate, and the integration level of the oil way switching device 100 is improved.
Further, as shown in fig. 5, a detection member 24 connected to the control module 30 is provided on the valve body 12, and whether the valve body is in the first conduction position or the second conduction position is detected by the detection member 24.
When the detection component 24 detects that the valve core is at the first conduction position, the first flow guide channel is in a conduction state, and the second conduction state is in a closing state, which proves that the oil path switching device 100 works normally; when the detection component 24 detects that the valve core is at the second conduction position, it indicates that the second diversion channel is in a conduction state, and the first diversion channel is in a closing state, which proves that the oil path switching device 100 works normally; when the detection component 24 detects that the valve element is not in the first conduction position or the second conduction position, it indicates that the first diversion channel and the second conduction state are in the conduction state at the same time, and it is proved that the oil path switching device 100 has a fault and a danger of mixing two liquids exists, and at this time, the control module 30 controls the alarm module to give an alarm to prompt a worker to perform maintenance and subsequent treatment. In particular, the control module 30 may be integrated into a control system of the vehicle.
Through the arrangement of the detection component 24 and the alarm module, the conduction state of the oil path switching device 100 can be fed back in real time, an alarm is given under an unexpected condition, the safety of the whole oil path control system is improved, and an accident is avoided.
The operation principle of the detection member 24 is shown in fig. 5, in which the open or closed state of the opening is detected by the cooperation of the solenoid coil and the position switch. Specifically, the first open electromagnet coil 242 is disposed opposite to the first open position switch 244; the second open solenoid 246 is disposed opposite the second open position switch 248. The first opening position switch 244 is used for detecting the working state of the first opening electromagnet coil 242 to judge the on-off condition of the first opening 202; the second opening position switch 248 is used for detecting the working state of the second opening electromagnet coil 246 to judge the on-off condition of the second opening 204.
In the specific embodiment, after the control module 30 receives the control signal, the electromagnet 16 is controlled to be powered on, and at this time, the oil path switching device 100 controls the first diversion channel to be opened, so that the vehicle uses low-grade fuel oil; after the vehicle works for a period of time, the ambient temperature rises, the control module 30 receives the control signal again, the controller module delays for a preset time period and then controls the electromagnet 16 to lose power, at this time, the oil circuit switching device 100 controls the second diversion channel to be opened, and the vehicle uses high-grade fuel oil. It should be noted that after the control module 30 receives the control signal, the control module controls the electromagnet 16 to lose power after delaying the preset time to ensure that the low-grade fuel is completely consumed, so as to avoid potential safety hazard caused by mixing the low-grade fuel with the high-grade fuel. The preset time duration can be set according to actual conditions, and can be 100 seconds, or other time durations as long as the low-grade fuel oil can be completely consumed.
In a specific embodiment, the utility model provides an oil circuit auto-change over device 100 includes valve body 12, case, drive assembly, emergency braking part 26. The valve body 12 is internally provided with a first flow guide channel and a second flow guide channel, and the driving part is used for driving the valve plug to operate in the valve body 12 so as to realize the switching between the first flow guide channel and the second flow guide channel; the emergency braking part 26 is connected with the valve core, the emergency braking part 26 has an emergency override function, and when the driving part fails or other emergency situations occur, the valve core is directly driven to move through the emergency braking part 26, so that the safety performance of the oil path switching device 100 is improved, and the normal use of the oil path switching device 100 can be ensured.
Further, the driving part comprises an electromagnet 16 and an elastic part 18, and the valve core is driven to be positioned at a first conduction position by utilizing the electromagnet 16 to obtain electricity, so that the first flow guide channel is opened and the second flow guide channel is closed; the valve core is driven by the elastic piece 18 to be located at the second conduction position, so that the second flow guide channel opens and closes the first flow guide channel. The electromagnet 16 is matched with the elastic part 18, so that effective switching of oil paths is realized, the control precision is high, the safety performance is high, the elastic part 18 is used for replacing the electromagnet 16 to drive the valve core to perform return motion, the structure is simplified, and the cost is reduced.
Preferably, the emergency braking device 26 is located at the same end of the valve body 12 as the electromagnet 16, and the resilient member 18 is provided separately on the other side. That is, the emergency braking part 26 is used as a substitute driving part for the electromagnet 16 to drive the spool using the emergency braking part 26 when the electromagnet 16 fails, ensuring normal use of the oil passage switching device 100.
Further, a detection component 24 and an alarm module which are connected with the control module 30 are arranged on the valve body 12, the detection component 24 is connected with the control module 30, and whether the valve core is in the first conduction position or the second conduction position is detected through the detection component 24; when the detection component 24 detects that the valve core is at the first conduction position, it indicates that the first diversion channel is in a conduction state, the second conduction state is in a closing state, and the oil path switching device 100 works normally; when the detection component 24 detects that the valve core is at the second conduction position, it indicates that the second diversion channel is in a conduction state, the first conduction state is in a closing state, and the oil path switching device 100 normally works; when the detecting part 24 detects that the valve element is not in the first conduction position or the second conduction position, it indicates that the oil path switching device 100 has a fault, and therefore the control module 30 controls the alarm module to give an alarm to prompt a worker to perform maintenance and subsequent treatment.
The utility model discloses another embodiment provides an oil circuit control system, as shown in fig. 6 and 7, include: a first oil tank 500 and a second oil tank 600; and two oil path switching devices 100 according to any one of the first aspect of the present invention; the first opening 202 of one oil path switching device 100 is communicated with the liquid outlet of the first oil tank 500, the second opening 204 is communicated with the liquid outlet of the second oil tank 600, and the third opening 206 is communicated with the liquid inlet of the engine 400; the first opening 202 of the other oil path switching device 100 is communicated with the liquid return port of the first oil tank 500, the second opening 204 is communicated with the liquid return port of the second oil tank 600, and the third opening 206 is communicated with the liquid outlet of the engine 400.
In this embodiment, the oil circuit control system is provided with a first oil tank 500 and a second oil tank 600, wherein the first oil tank 500 stores low-grade fuel oil, and the second oil tank 600 stores high-grade fuel oil; the aim of this is to reduce the cost, because the high grade fuel is cheap, but the wax precipitation point is high, and the low grade fuel is inconvenient to use in cold regions, and the low grade fuel is not easy to precipitate wax, but the price is high.
Set up one respectively at engine 400's both ends the utility model discloses the oil circuit auto-change over device 100 of the first aspect, one of them oil circuit auto-change over device 100 is as oil circuit control system's oil feed part, and another oil outlet part as oil circuit control system guarantees the circulation of oil circuit.
As shown in fig. 6 and 7, the first opening 202 of one oil path switching device 100 is communicated with the first tank outlet 502, the second opening 204 is communicated with the second tank outlet 602, and the third opening 206 is communicated with the engine inlet 402; the first opening 202 of the other oil path switching device 100 is communicated with a first oil tank liquid return port 504, the second opening 204 is communicated with a second oil tank liquid return port 604, and the third opening 206 is communicated with an engine liquid outlet 404. That is, the low-grade fuel may circulate through the first diversion channels of the two oil passage switching devices 100, and the high-grade fuel may circulate through the second diversion channels of the two oil passage switching devices 100.
Further, the oil path control system further includes an oil path switch (not shown) and a display screen (not shown). The oil path change-over switch is connected with the control module 30 of the oil path change-over device 100, for the working personnel, only one control signal needs to be generated through the oil path change-over switch, the subsequent work can be realized through the control module 30, the overall intelligent degree is high, and the operation is convenient; the display is connected with the oil circuit change-over switch, when the staff sends out a control signal through the oil circuit change-over switch, the display screen can display the control signal sent by the staff and the current conduction state of the oil circuit change-over device 100, so that the staff can use the device conveniently.
In the embodiment, as shown in fig. 4, the oil path switch is connected to the control module 30 through a control line 32.
The utility model discloses another embodiment provides a vehicle, include: an oil circuit control system according to any one of the second aspect of the present invention; the oil circuit change-over switch and the display screen of the oil circuit control system are positioned in a cab of the vehicle.
The utility model provides a vehicle, because of include like the utility model discloses the oil circuit control system of any one of the aspect of the second has above-mentioned oil circuit control system's whole beneficial effect consequently, no longer states one by one here. In addition, an oil circuit change-over switch and a display screen of the oil circuit control system are positioned in a cab of the vehicle, so that the operation of workers is facilitated.
Specifically, in a low-temperature environment, at the moment of starting the vehicle, the electromagnet 16 is powered to enable the first opening 202 and the third opening 206 to be communicated and form a first diversion channel, and at the moment, the vehicle uses low-grade fuel oil in the first oil tank 500; after working for a period of time, the ambient temperature rises, the electromagnet 16 loses power, the valve core moves reversely in the valve body 12 under the driving of the elastic element 18, the second opening 204 is communicated with the third opening 206 to form a second flow guide channel, and at the moment, the automobile uses high-grade fuel oil in the second oil tank 600. Through the application of the oil way switching device 100, the automobile uses different types of fuel oil at different time periods, and the low-grade fuel oil with high price is prevented from being used all the time, so that the cost is reduced. The utility model provides an oil circuit control system can be used to the system that many oil tanks oil circuit such as heavily block switched.
The oil circuit switching device 100 provided by the utility model adopts a slide valve structure and an end face sealing mode for oil circuit switching, and uses the electromagnet 16 to control the oil circuit switching; the control module 30 controls the valve core by acquiring the position of the valve core and a switch control signal; the valve core has the functions of position detection, manual emergency switching and the like. By adopting the scheme, the functions of oil circuit quick switching, position detection, fault alarm, manual emergency and the like are fully realized, and the safe and reliable function is provided for vehicle use.
In the specific embodiment, the electromagnet 16 and the spring act together on the valve core, so that the three oil ports are switched on and off two by two at different positions, the position monitoring device monitors the position of the valve core in real time, the working state of the valve core is fed back, all control programs are integrated in the control module 30, all functions can be controlled and monitored remotely in a cab, delayed switching from the first oil tank 500 to the second oil tank 600 can be realized, a manual emergency function is provided, and fuel switching from the first oil tank 500 to the second oil tank 600 is realized safely and reliably.
The utility model adopts the mode of solenoid valve and spring control slide valve to realize the switching of oil duct, and the control mode is accurate to detect; the working state of the valve core is fed back in real time by using a position detection technology, and a fault alarm display is arranged, so that the safety performance is improved; the remote automatic switching is realized through the control module 30, and the intelligent realization of time delay under more environmental conditions can be realized; the emergency override function is provided, and manual operation can be performed in emergency; the high-price oil consumption is reduced to the maximum extent, and the cost performance is high.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An oil passage switching device characterized by comprising:
the valve body is internally provided with a flow guide channel;
the valve core is positioned in the valve body and used for switching the conduction and the closing states of the flow guide channel;
the driving part is arranged on the valve body, is connected with the valve core and is used for driving the valve core to move;
and the emergency braking component is arranged on the valve body and connected with the valve core, and can drive the valve core to move when the driving component fails.
2. The oil passage switching device according to claim 1,
the flow guide channel comprises a first flow guide channel and a second flow guide channel, and the valve core can be switched between a first conduction position and a second conduction position under the driving of the driving part or the emergency braking part;
the valve core is located at the first conduction position, the first flow guide channel is conducted, and the second flow guide channel is closed; the valve core is located at the second conduction position, the second flow guide channel is conducted, and the first flow guide channel is closed.
3. The oil passage switching apparatus according to claim 2, wherein the drive member includes:
the electromagnet is arranged at one end of the valve body and connected with the valve core, and the emergency braking component and the electromagnet are positioned at the same end of the valve body;
the elastic piece is arranged at the other end of the valve body and is abutted against the valve core;
the valve core can be driven by the electromagnet to be in the first conduction position, and the valve core can also be driven by the elastic piece to be in the second conduction position.
4. The oil passage switching device according to claim 3, wherein the spool includes:
one end of the valve rod is connected with the electromagnet and the emergency braking component, and the other end of the valve rod is abutted with the elastic component;
and the sealing separation blade is arranged on the valve rod and can close the first flow guide channel or the second flow guide channel under the driving of the valve rod.
5. The oil passage switching device according to any one of claims 2 to 4,
the valve body is provided with a first opening, a second opening and a third opening, the first opening and the second opening are positioned on one side of the valve body, and the third opening is positioned on the other side of the valve body;
when the first opening is communicated with the third opening, the first flow guide channel is communicated, and the second flow guide channel is closed; when the second opening is communicated with the third opening, the first flow guide channel is closed, and the second flow guide channel is communicated.
6. The oil passage switching device according to claim 3, further comprising:
the mounting plate is arranged on the valve body;
and the control module is arranged on the mounting plate and is connected with the driving component, and the control module can control the driving component to work according to the received control signal so as to change the conduction state of the oil way switching device.
7. The oil passage switching apparatus according to claim 6, further comprising:
the detection component is arranged on the valve body, is connected with the control module and is used for detecting whether the valve core is positioned at the first conduction position or the second conduction position;
and the alarm module is connected with the control module, and the control module can control the alarm module to give an alarm according to the detection result of the detection component.
8. An oil circuit control system, comprising:
a first tank and a second tank;
and two oil passage switching devices according to any one of claims 1 to 7;
the first opening of one oil way switching device is communicated with the liquid outlet of the first oil tank, the second opening of the oil way switching device is communicated with the liquid outlet of the second oil tank, and the third opening of the oil way switching device is communicated with the liquid inlet of the engine; and a first opening of the other oil way switching device is communicated with a liquid return port of the first oil tank, a second opening is communicated with a liquid return port of the second oil tank, and a third opening is communicated with a liquid outlet of the engine.
9. The oil control system according to claim 8, further comprising:
the oil path switching switch is connected with the control module of the oil path switching device and can send out a control signal, and the control module controls the driving component to work according to the received control signal so as to change the conduction state of the oil path switching device;
and the display screen is connected with the oil way switching switch and used for displaying the conduction state of the oil way switching device.
10. A vehicle, characterized by comprising:
the oil passage control system according to claim 8 or 9;
and the oil path change-over switch and the display screen of the oil path control system are positioned in a cab of the vehicle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921226408.5U CN210240652U (en) | 2019-07-31 | 2019-07-31 | Oil circuit switching device, oil circuit control system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921226408.5U CN210240652U (en) | 2019-07-31 | 2019-07-31 | Oil circuit switching device, oil circuit control system and vehicle |
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| CN210240652U true CN210240652U (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307360A (en) * | 2019-07-31 | 2019-10-08 | 三一汽车制造有限公司 | Oil-way switching apparatus, oil path control system and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307360A (en) * | 2019-07-31 | 2019-10-08 | 三一汽车制造有限公司 | Oil-way switching apparatus, oil path control system and vehicle |
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