CN110307359B - Oil circuit switching device, oil circuit control system and vehicle - Google Patents

Oil circuit switching device, oil circuit control system and vehicle Download PDF

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Publication number
CN110307359B
CN110307359B CN201910703496.1A CN201910703496A CN110307359B CN 110307359 B CN110307359 B CN 110307359B CN 201910703496 A CN201910703496 A CN 201910703496A CN 110307359 B CN110307359 B CN 110307359B
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CN
China
Prior art keywords
oil
opening
valve core
switching device
diversion channel
Prior art date
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Active
Application number
CN201910703496.1A
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Chinese (zh)
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CN110307359A (en
Inventor
卢志学
贺电
马飞
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Sany Automobile Manufacturing Co Ltd
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Sany Automobile Manufacturing Co Ltd
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Priority to CN201910703496.1A priority Critical patent/CN110307359B/en
Publication of CN110307359A publication Critical patent/CN110307359A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/061—Sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03118—Multiple tanks, i.e. two or more separate tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03118—Multiple tanks, i.e. two or more separate tanks
    • B60K2015/03144—Fluid connections between the tanks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The invention provides an oil way switching device, an oil way control system and a vehicle, wherein the oil way switching device comprises: the valve body is internally provided with a diversion channel; the valve core is positioned in the valve body and used for switching the on and off states of the diversion channel; the driving part is arranged on the valve body, connected with the valve core and used for driving the valve core to move; the detection component is arranged on the valve body and used for detecting the position of the valve core; the control module is connected with the detection component and the driving component and can control the driving component to work according to the detection result of the detection component. According to the oil way switching device provided by the invention, the position of the valve core can be detected in real time through the mutual matching of the detection component and the control module, so that whether the oil way switching device fails or not can be judged, and corresponding processing is performed or a worker is prompted to perform maintenance processing when the oil way switching device fails.

Description

Oil circuit switching device, oil circuit control system and vehicle
Technical Field
The invention relates to the technical field of engineering machinery, in particular to an oil way switching device, an oil way control system and a vehicle.
Background
At present, most trucks use the diesel engine as the whole vehicle power because the diesel engine has the advantages of good economy, high reliability, high power and the like. However, in some extremely cold areas, because of low air temperature, the diesel engine is often difficult to start, and the fuel oil is wax-deposited at low temperature to block the fuel oil pipeline, so that the vehicle cannot be used.
High-grade fuel is low in price, but high in wax deposition point, inconvenient to use in cold areas, and low-grade fuel is not easy to deposit wax, but high in price. In order to solve the working problem of the vehicle in cold areas, a double-label fuel tank is generally used, a main fuel tank is filled with high-label fuel, and an auxiliary fuel tank is filled with low-label fuel. When starting, the low-grade fuel in the auxiliary fuel tank is firstly used, and after the heat engine, the high-grade fuel in the main fuel tank is used. At present, a rotary valve is generally adopted, but in the actual use process, the rotary valve adopts a cam structure, so that the problems that the auxiliary oil tank is easy to jam, the auxiliary oil tank is oil, the main oil tank cannot be switched and the like are solved.
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 planar cam 14' is disposed on an oil path shaft 12 'of the oil path switching device 100', the planar cam 14 'is connected with a switching ejector rod 20', and the switching ejector rod 20 'is driven by the planar cam 14' to drive a valve core 22 'on the switching ejector rod 20' to move, so as to realize switching of an oil path. However, in this way, the spool 22' always has a bias load, and in actual use, seizing often occurs.
In the related art, as shown in fig. 2, a first liquid inlet 182' and a second liquid inlet 184' are provided below the oil path switching device 100', a liquid inlet 16' is provided above the oil path switching device 100', and permanent magnet valves 24' are provided on two sides of the oil path switching device 100', and the valve core shaft 26' is driven to move by the permanent magnet valves 24', so as to switch the oil paths. However, this method uses the principle of magnetic retention entirely, and the unreliability of the permanent magnet valve 24' cannot be avoided.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, a first aspect of the present invention proposes an oil passage switching device.
The second aspect of the invention proposes an oil passage control system.
A third aspect of the present invention proposes a vehicle.
The first aspect of the present invention provides an oil path switching device, including: the valve body is internally provided with a diversion channel; the valve core is positioned in the valve body and used for switching the on and off states of the diversion channel; the driving part is arranged on the valve body, connected with the valve core and used for driving the valve core to move; the detection component is arranged on the valve body and used for detecting the position of the valve core; the control module is connected with the detection component and the driving component and can control the driving component to work according to the detection result of the detection component.
The invention provides an oil way switching device which comprises a valve body, a valve core, a driving part, a detecting part and a control module. The valve core is positioned in the valve body and can move under the drive of the driving part so as to conduct or close the diversion channel; the valve body is provided with a detection part, the detection part can detect the specific position of the valve core, and the control module can judge whether the valve core is in the working position or not according to the position of the valve core. When the detection part detects that the valve core is not in the working position, the oil way switching device is indicated to be in fault, or the driving stroke of the driving part to the valve core is insufficient, at the moment, the control module can control the driving part to further drive the valve core to move, so that the valve core is in the working position, and the control module can prompt a worker to overhaul and carry out subsequent treatment.
According to the oil way switching device provided by the invention, the position of the valve core can be detected in real time through the mutual matching of the detection component and the control module, so that whether the oil way switching device fails or not can be judged, and corresponding processing is performed or a worker is prompted to perform maintenance processing when the oil way switching device fails.
According to the oil path switching device of the invention, the following additional technical features can be provided:
In the above technical solution, preferably, the flow guiding channel includes a first flow guiding channel and a second flow guiding channel, and the valve core is driven by the driving component to switch between a first conduction position and a second conduction position; the valve core is positioned at a first conduction position, the first diversion channel is conducted, and the second diversion channel is closed; the valve core is positioned at a second conduction position, the second diversion channel is conducted, and the first diversion channel is closed.
In the technical scheme, the diversion channel comprises a first diversion channel and a second diversion channel, and the valve core can be in a first conduction position or a second conduction position under the drive of the driving part or the emergency braking part. When the valve core is positioned at the first conduction position, the first diversion channel is in a conduction state, and the second diversion channel is in a closing state; when the valve core is positioned at the second conduction position, the second diversion channel is in a conduction state, and the first diversion channel is in a closing state. In the use process of the oil way switching device, one of the first diversion channel and the second diversion channel is in a conducting state, and the other 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 the different liquids of both, reduce the oil consumption cost, avoid different kinds of liquid to mix simultaneously, guarantee safe in utilization.
Specifically, when the detection part detects that the valve core is at the first conduction position, the first diversion 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 part detects that the valve core is at the second conduction position, the second diversion channel is in a conduction state, and the first diversion 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 diversion 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 diversion channel and the second conduction state exists, and the control module controls the alarm module to give an alarm at the moment so as to prompt a worker to overhaul and carry out subsequent treatment.
In any of the above embodiments, preferably, the method further includes: the alarm module is connected with the control module; when the detection part detects that the valve core is not positioned at the first conduction position and the second conduction position, the control module controls the alarm module to give an alarm.
In the technical scheme, an alarm module connected with a control module is arranged. When the detection part detects that the valve core is not positioned at the first conduction position and the second conduction position and the oil circuit is switched to have faults, the control module controls the alarm module to give an alarm so as to prompt the staff to overhaul and carry out subsequent treatment.
Further, the alarm modules may be provided in plural, and the alarm issued by each alarm module is different. Based on different fault reasons, the control module controls different alarm modules to send out different alarms, so that staff can distinguish the fault reasons conveniently, and maintenance time is saved.
In any of the above-described aspects, preferably, the driving part includes: the electromagnet is arranged at one end of the valve body and is connected with the valve core and the control part; the elastic piece is arranged at the other end of the valve body and is abutted with the valve core; the valve core can be in a first conduction position under the driving of the electromagnet, and can be in a second conduction position under the driving of the elastic piece.
In the technical scheme, the driving part comprises an electromagnet and an elastic piece which are matched for use, wherein the electromagnet and the elastic piece are respectively connected with two opposite ends of the valve core. When the electromagnet is powered on, 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 conduction position, the electromagnet is in a power-on state, and the elastic piece is in a compressed state; when the electromagnet is powered off, the elastic piece can give a restoring force to the valve core, and the valve core moves towards the second conduction position under the drive of the elastic piece, so that the valve core is stably positioned at the second conduction position; when the valve core is in 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 through the replacement electro-magnet driven case return motion of elastic component, simplified structure and reduce cost.
In any of the above solutions, preferably, the valve element includes: one end of the valve rod is connected with the electromagnet, and the other end of the valve rod is abutted against the elastic piece; the sealing separation blade is arranged on the valve rod and can close the first diversion channel or the second diversion channel under the drive of the valve rod.
In the technical scheme, the valve core comprises a valve rod and a sealing baffle plate arranged on the valve rod, wherein an electromagnet and an emergency braking part are connected with one end of the valve rod, and an elastic part is abutted against the other end of the valve rod; the size of the sealing baffle is matched with the flow passing area of the first flow guiding channel and the second flow guiding channel. In the actual use process, the valve rod is driven to operate through the electromagnet or the emergency braking component, so that the valve rod drives the sealing baffle to move, and the switching between the first diversion channel and the second diversion channel is realized.
Specifically, the specific form of the sealing flap is not limited, and may be any form as long as it can seal the first flow guide passage or the second flow guide passage. Preferably, an elastic sealing flap is used to improve sealing performance.
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 diversion channel is communicated, and the second diversion channel is closed; when the second opening is communicated with the third opening, the first diversion channel is closed, and the second diversion channel is communicated.
In the technical scheme, a first opening, a second opening and a third opening are formed in a valve body, wherein the first opening and the second opening are positioned on one side of the valve body, and the first opening and the second opening are respectively used as inlets of a first diversion channel and a second diversion channel; the third opening is positioned on one side of the valve body and is used as an outlet which is common to the first diversion channel and the second diversion channel. That is, when the valve core is at the first conducting position, the first opening is communicated with the third opening, and the second opening is blocked from the third opening, so that a first diversion 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 diversion channel is formed.
In any of the above embodiments, preferably, the method further includes: the mounting plate is arranged on the valve body, and the control module is arranged on the mounting plate; 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 breaks down.
In the technical scheme, a mounting plate is arranged on a valve body, and a controller is arranged on the mounting plate, so that a control system is integrated in an oil way switching device; under the condition that the driving part fails or 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 second aspect of the present invention proposes an oil passage control system including: a first oil tank and a second oil tank; and two oil path switching devices according to any one of the first aspect of the present invention; the first opening of the oil way switching device is communicated with the liquid outlet of the first oil tank, the second opening is communicated with the liquid outlet of the second oil tank, and the third opening is communicated with the 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.
The oil way control system provided by the invention 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; this is aimed at reducing the cost, because the high-grade fuel is inexpensive, but has a high wax deposition point, and is inconvenient to use in cold areas, and the low-grade fuel is less likely to be wax deposited, but has a high cost.
In addition, two ends of the engine are respectively provided with an oil way switching device of the first aspect of the invention, wherein one oil way switching device is used as an oil inlet part of an oil way control system, and the other oil way switching device is used as an oil outlet part of the oil way control system, so that the circulation of an oil way is ensured.
Specifically, a first opening of the oil way switching device is communicated with a liquid outlet of the first oil tank, a second opening of the oil way switching device is communicated with a liquid outlet of the second oil tank, and a third opening of the oil way switching device 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 passage of the two oil passage switching devices, and the high-grade fuel may circulate through the second diversion passage of the two oil passage switching devices.
In any of the above technical solutions, the method further includes: the oil way switching switch is connected with the control module of the oil way switching device, the oil way switching switch can send out a control signal, and the control module controls the driving part to work according to the received control signal so as to change the conduction state of the oil way 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. In the technical scheme, the oil way change-over switch is connected with the control module of the oil way change-over device, so that the operator only needs to generate a control signal through the oil way 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 adopting a control line or wireless Bluetooth. In addition, the display is connected with the oil way change-over switch, when the staff sends control signal through the oil way change-over switch, the display screen can show the current on state of control signal and oil way change-over device that the staff sent to the staff uses in the convenience.
A third aspect of the present invention proposes a vehicle comprising: an oil passage control system according to any one of the second aspects of the invention; the oil circuit change-over switch and the display screen of the oil circuit control system are positioned in the cab of the vehicle.
The vehicle according to the present invention, because of comprising the oil passage control system according to any one of the second aspects of the present invention, has all the advantageous effects of the above-described oil passage control system, and is not stated here. In addition, the oil circuit change-over switch and the display screen of the oil circuit control system are positioned in the 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 foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in 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 path switching device in the related art.
The correspondence between the reference numerals and the component names in fig. 1 and 2 is:
100' oil circuit switching device, 12' oil duct axle, 14' plane cam, 16' inlet, 162' first inlet, 164' second inlet, 18' inlet, 182' first inlet, 184' second inlet, 20' ejector pin, 22' case, 24' permanent magnet, 26' valve core axle.
Fig. 3 is a cross-sectional view of an oil passage switching device according to an embodiment of the invention;
fig. 4 is a cross-sectional view of the oil passage switching device of the embodiment shown in fig. 3 from another perspective;
FIG. 5 is a schematic diagram of the operation of the position detection apparatus 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 a schematic diagram of the operation of the oil passage control system of the embodiment shown in fig. 6.
The correspondence between the reference numerals and the component names in fig. 3 to 7 is:
100 oil circuit switching device, 12 valve body, 14 valve rod, 16 electro-magnets, 18 elastic component, 202 first opening, 204 second opening, 206 third opening, 22 sealing separation blade, 24 detection part, 242 first opening electro-magnet coil, 244 first opening position switch, 246 second opening electro-magnet coil, 248 second opening position switch, 26 emergency braking 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 that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
An oil passage switching apparatus 100, an oil passage control system, and a vehicle provided according to some embodiments of the present invention are described below with reference to fig. 3 to 7.
As shown in fig. 3 to 5, an embodiment of the present invention proposes an oil path switching device 100, including: the valve body 12, there are diversion channels in the valve body 12; a valve core (in the figure, the valve rod 14 and the sealing baffle 22 form a valve core together) positioned in the valve body 12 and used for switching the conduction and closing states of the diversion channel; the driving component (in the figure, the electromagnet 16 and the elastic piece 18 form a driving component together) is arranged on the valve body 12 and connected with the valve core for driving the valve core to move; a detecting member 24 provided on the valve body 12 for detecting the position of the valve element; the control module 30 is connected with the detection component 24 and the driving component, and the control module 30 can control the driving component to work according to the detection result of the detection component 24 so as to ensure the movement stroke of the valve core.
According to the oil circuit switching device 100 provided by the invention, the valve body 12 is internally provided with the diversion channel, and the valve core is positioned in the valve body 12 and can move under the drive of the driving part so as to conduct or close the diversion channel; the valve body 12 is provided with a detection component 24, the detection component 24 can detect the specific position of the valve core, and the control module 30 can judge whether the valve core is in the working position or not according to the position of the valve core. When the detecting component 24 detects that the valve core is not in the working position, it indicates that the oil circuit switching device 100 fails, or the driving stroke of the driving component on the valve core is insufficient, at this time, the control module 30 may control the driving component to further drive the valve core to move, so that the valve core is in the working position (specifically, the first conducting position and the second conducting position are collectively referred to as the working position), and the control module 30 may also prompt the staff to perform maintenance and subsequent processing.
According to the oil path switching device 100 provided by the invention, the position of the valve core can be detected in real time through the mutual matching of the detection component 24 and the control module 30, so that whether the oil path switching device 100 fails or not can be judged, and corresponding processing is performed or a worker is prompted to perform maintenance processing when the oil path switching device 100 fails.
As shown in fig. 3 to 5, a further embodiment of the present invention provides an oil path switching device 100, including: the valve body 12, the valve spool, the drive component, the detection component 24, and the control module 30. The valve body 12 is internally provided with a first diversion channel and a second diversion channel, and the driving component is used for driving the valve core to move so as to change the on or off states of the first diversion channel and the second diversion channel; the detecting component 24 is used for detecting the position of the valve core, and the control module 30 controls the driving component to work according to the detection result of the detecting component 24.
In this embodiment, when the valve element is located at the first conducting position, the first diversion channel is in a conducting state, and the second diversion channel is in a closing state; when the valve core is positioned at the second conduction position, the second diversion channel is in a conduction state, and the first diversion channel is in a closing state. During use of the oil passage switching device 100, the detection member 24 detects whether the spool is in the first conduction position or the second conduction position. When the detection part 24 detects that the valve core is at the first conducting position, the first diversion channel is in a conducting state, and the second conducting state is in a closing state, so that the oil circuit switching device 100 is proved to work normally; when the detection part 24 detects that the valve core is at the second conducting position, the second diversion channel is in a conducting state, and the first diversion channel is in a closing state, so that the oil circuit switching device 100 is proved to work normally; when the detecting component 24 detects that the valve core is not in the first conduction position or the second conduction position, the first diversion channel and the second conduction state are simultaneously in the conduction state, so that the oil way switching device 100 is proved to be in failure, and the danger of liquid mixing of the first diversion channel and the second conduction state exists, and at the moment, the control module 30 prompts the staff to carry out maintenance and subsequent treatment.
Specifically, the detection member 24 operates on the principle shown in fig. 5, in which the opening or closing state of the opening is detected by the cooperation of the electromagnet coil and the position switch. Specifically, the first opening electromagnet coil 242 is disposed opposite the first opening position switch 244; the second open solenoid coil 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 determine 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 determine the on-off condition of the second opening 204.
In a 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 way switching device 100 controls the first diversion channel to be opened, and the vehicle uses low-grade fuel; after a period of operation, the ambient temperature increases, the control module 30 receives the control signal again, and the controller delays for a preset period of time to control the electromagnet 16 to lose electricity, at this time, the oil way switching device 100 controls the second diversion channel to open, and the vehicle uses high-grade fuel. It should be noted that, after receiving the control signal, the control module 30 delays for a preset period of time to control the electromagnet 16 to lose electricity, so as to ensure that the low-grade fuel is completely consumed, and avoid the potential safety hazard caused by mixing the low-grade fuel with the high-grade fuel. The preset time length can be set according to actual conditions, can be 100 seconds, and can be other time lengths, so long as the low-grade fuel can be completely consumed.
Further, the oil circuit switching device 100 further includes an alarm module (not shown in the figure), which is connected to the control module 30, and when the oil circuit switching device 100 fails, the control module 30 controls the alarm module to send out an alarm to prompt the staff to overhaul and perform subsequent processing.
Alternatively, the alarm modules may be provided in plural, and the alarm issued by each alarm module is different. Based on different fault reasons, the control module 30 controls different alarm modules to send out different alarms so as to facilitate the staff to distinguish the fault reasons and save maintenance time.
Further, 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 diversion channel; when the valve element is in 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 as to form a second diversion channel.
That is, in the use process of the oil path switching device 100, one of the first diversion channel and the second diversion channel is guaranteed to be in a conducting state, and the other is guaranteed to be in a closing state, so that mixing of different types of liquids can be avoided, and use safety is guaranteed.
Preferably, the sealing baffle 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 diversion channel and the second diversion channel can be achieved by one sealing baffle 22.
As shown in fig. 3 to 5, a further embodiment of the present invention provides an oil path switching device 100, including: the valve body 12, there are diversion channels in the valve body 12; the valve core is positioned in the valve body 12 and is used for switching the on and off states of the diversion channel; the driving part is arranged on the valve body 12 and connected with the valve core for driving the valve core to move; a detecting member 24 provided on the valve body 12 for detecting the position of the valve element; the control module 30 is connected with the detection component and the driving component, and the control module 30 can control the driving component to work according to the detection result of the detection component 24 so as to ensure the movement stroke of the valve core; the driving part comprises an electromagnet 16 and an elastic piece 18, and the electromagnet 16 and the elastic piece 18 are respectively connected with two ends of the valve body 12.
In this embodiment, the driving means employs an electromagnet 16 and an elastic member 18 in combination. The electromagnet 16 can drive the valve core to move towards the first conduction position when being electrified, and ensures that the valve core is stably positioned at the first conduction position; when the valve core is in the first conduction position, the electromagnet 16 is in a power-on state, and the elastic piece 18 is in a compressed state; when the electromagnet 16 is powered off, the elastic element 18 gives a restoring force to the valve core, and the valve core moves towards the second conduction position under the drive of the elastic element 18, so that the valve core is stably positioned at the second conduction position; when the valve core is in the second conduction position, the electromagnet 16 is in a power-off state, and the elastic piece 18 is in a normal state. Through the cooperation of electro-magnet 16 and case, realize the effective switching of oil circuit, control accuracy is high, and the security performance is high, and through the replacement electro-magnet 16 of elastic component 18 drive case return motion, simplified structure and reduce cost.
Further, the oil passage switching device 100 is also provided with the emergency braking member 26 in view of the longer life of the elastic member 18 and the higher safety 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 switching of different conducting states of the oil circuit switching device 100 is realized through the cooperation of the emergency braking component 26 and the elastic piece 18. That is, according to the oil path switching device 100 provided by the invention, the emergency braking component 26 is used as a substitute driving component of the electromagnet 16, so that the emergency braking component 26 is used for driving the valve core when the electromagnet 16 fails, and the normal use of the oil path switching device 100 is ensured.
Further, a mounting plate 28 is provided on the valve body 12, and a controller is provided on the mounting plate 28; the control module 30 can directly control the driving component to work according to the received control signal, so as to change the conduction state of the oil circuit switching device 100. The whole control process is simple, the operation is convenient, and the integration level of the oil way switching device 100 is improved.
Another embodiment of the present invention proposes an oil path switching apparatus 100 including: the valve body 12, there are diversion channels in the valve body 12; the valve core is positioned in the valve body 12 and is used for switching the on and off states of the diversion channel; the driving part is arranged on the valve body 12 and connected with the valve core for driving the valve core to move; a detecting member 24 provided on the valve body 12 for detecting the position of the valve element; the emergency braking component 26 is arranged on the valve body 12 and connected with the valve core, and the emergency braking component 26 can drive the valve core to move when the driving component fails.
In this embodiment, an emergency braking member 26 connected to the valve body 12 is provided, and the emergency braking member 26 has an emergency override function. In the use process of the oil circuit switching device 100, when the driving component fails or other emergency situations occur, the valve core can be directly driven to operate through the emergency braking component 26, so that the conduction state of the oil circuit switching device 100 is changed, the safety performance of the oil circuit switching device 100 is improved, and the normal use of the oil circuit switching device 100 is ensured.
In a specific embodiment, the oil circuit switching device 100 provided by the invention adopts a slide valve structure and an end face sealing mode to realize oil circuit switching, and an electromagnet 16 is used for controlling the oil circuit switching; the control module 30 controls the valve core by collecting the valve core position and the 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 quick switching of oil ways, position detection, fault alarm, manual emergency and the like are fully realized, and the safe and reliable functions are provided for vehicle use.
In a specific embodiment, the electromagnet 16 and the spring jointly act on the valve core, so that the sealing baffle 22 can realize two-to-two on-off of three oil ports 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 remotely controlled and monitored in a cab, the time delay switching from the first oil tank 500 to the second oil tank 600 can be realized, the manual emergency function is provided, and the fuel switching from the first oil tank 500 to the second oil tank 600 can be realized safely and reliably.
The invention adopts the electromagnetic valve and the spring to control the slide valve to realize the switching of the oil duct, and the control mode is accurate in detection; the working state of the valve is fed back in real time by using a position detection technology, and the valve is provided with a fault alarm display, so that the safety performance is improved; the remote automatic switching is realized through the control module 30, and the delay can be realized more intelligently with environmental conditions; the emergency override function is provided, and the emergency override function can be manually operated in emergency; the high-price oil consumption is reduced to the maximum extent, and the cost performance is high.
A further embodiment of the present invention provides an oil path control system, as shown in fig. 6 and 7, including: a first oil tank 500 and a second oil tank 600; and two oil passage switching devices 100 according to any one of the first aspect of the invention; wherein, the first opening 202 of one oil way 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 path 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 and the second oil tank 600 stores high-grade fuel; this is aimed at reducing the cost, because the high-grade fuel is inexpensive, but has a high wax deposition point, and is inconvenient to use in cold areas, and the low-grade fuel is less likely to be wax deposited, but has a high cost.
The two ends of the engine 400 are respectively provided with an oil path switching device 100 according to the first aspect of the present invention, wherein one oil path switching device 100 is used as an oil inlet part of an oil path control system, and the other oil path switching device is used as an oil outlet part of the oil path control system, so that the circulation of an oil path is ensured.
As shown in fig. 6 and 7, the first opening 202 of the oil switching device 100 is in communication with the first oil tank outlet 502, the second opening 204 is in communication with the second oil tank outlet 602, and the third opening 206 is in communication with the engine inlet 402; the first opening 202 of the other oil switching device 100 is in communication with the return port 504 of the first oil tank 500, the second opening 204 is in communication with the return port 604 of the second oil tank, and the third opening 206 is in communication with the engine outlet 404. That is, the low-grade fuel may circulate through the first diversion passage of the two oil path switching devices 100, and the high-grade fuel may circulate through the second diversion passage of the two oil path switching devices 100.
Further, the oil circuit control system further comprises an oil circuit change-over switch (not shown in the figure) and a display screen (not shown in the figure). The oil way change-over switch is connected with the control module 30 of the oil way change-over device 100, so that for workers, only one control signal is generated through the oil way change-over switch, the follow-up work can be realized through the control module 30, the whole intelligent degree is high, and the operation is convenient; the display is connected with the oil way change-over switch, when the staff sends control signal through the oil way change-over switch, the display screen can show the current on state of control signal and oil way auto-change over device 100 that the staff sent to the staff uses in the convenience.
In an embodiment, as shown in fig. 4, the oil path change-over switch is connected to the control module 30 via a control line 32.
Yet another embodiment of the present invention provides a vehicle including: an oil passage control system according to any one of the second aspects of the invention; the oil circuit change-over switch and the display screen of the oil circuit control system are positioned in the cab of the vehicle.
The vehicle according to the present invention, because of comprising the oil passage control system according to any one of the second aspects of the present invention, has all the advantageous effects of the above-described oil passage control system, and is not stated here. In addition, the oil circuit change-over switch and the display screen of the oil circuit control system are positioned in the cab of the vehicle, so that the operation of workers is facilitated.
Specifically, in a low temperature environment, when the vehicle starts up, the electromagnet 16 is powered to enable the first opening 202 to communicate with the third opening 206 and form a first diversion channel, and the vehicle uses the low-grade fuel in the first fuel tank 500; after a period of operation, the ambient temperature rises, the electromagnet 16 is powered off, the valve core is driven by the elastic element 18 to reversely move in the valve body 12, the second opening 204 is communicated with the third opening 206 and forms a second diversion channel, and the automobile uses high-grade fuel in the second fuel tank 600. By applying the oil way switching device 100, different types of fuel are used in different time periods of the automobile, and low-grade fuel with high price is avoided to be used all the time, so that the cost is reduced. The oil circuit control system provided by the invention can be used for a system for switching oil circuits of multiple oil tanks such as heavy trucks.
According to the oil circuit switching device 100 provided by the invention, oil circuit switching is realized by adopting a slide valve structure and an end face sealing mode, and the electromagnet 16 is used for controlling the oil circuit switching; the control module 30 controls the valve core by collecting the valve core position and the 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 quick switching of oil ways, position detection, fault alarm, manual emergency and the like are fully realized, and the safe and reliable functions are provided for vehicle use.
In a specific embodiment, the electromagnet 16 and the spring jointly act on the valve core, so that the sealing baffle 22 can realize two-to-two on-off of three oil ports 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 remotely controlled and monitored in a cab, the time delay switching from the first oil tank 500 to the second oil tank 600 can be realized, the manual emergency function is provided, and the fuel switching from the first oil tank 500 to the second oil tank 600 can be realized safely and reliably.
The invention adopts the electromagnetic valve and the spring to control the slide valve to realize the switching of the oil duct, and the control mode is accurate in detection; the working state of the valve core is fed back in real time by using a position detection technology, and the valve core is provided with a fault alarm display, so that the safety performance is improved; the remote automatic switching is realized through the control module 30, and the delay can be realized more intelligently with environmental conditions; the emergency override function is provided, and the emergency override function can be manually operated 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 term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean 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 present invention. In this specification, schematic representations of the above terms 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, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. An oil passage switching device, characterized by comprising:
the valve body is internally provided with a diversion channel;
the valve core is positioned in the valve body and is used for switching the on and off states of the diversion channel;
the driving part is arranged on the valve body, connected with the valve core and used for driving the valve core to move;
the detection component is arranged on the valve body and used for detecting the position of the valve core;
The control module is connected with the detection component and the driving component and can control the driving component to work according to the detection result of the detection component;
The valve core can be switched between a first conduction position and a second conduction position under the drive of the driving part;
The valve core is positioned at the first conduction position, the first diversion channel is conducted, and the second diversion channel is closed; the valve core is positioned at the second conduction position, the second diversion channel is conducted, and the first diversion channel is closed;
the alarm module is connected with the control module;
When the detection part detects that the valve core is not positioned at the first conduction position and the second conduction position, the control module controls the alarm module to give an alarm, and the control module controls the driving part to drive the valve core to move so as to enable the valve core to be positioned at the first conduction position or the second conduction position.
2. The oil passage switching device according to claim 1, characterized in that the driving member includes:
the electromagnet is arranged at one end of the valve body and is connected with the valve core and the control module;
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 in the first conduction position under the driving of the electromagnet, and the valve core can also be in the second conduction position under the driving of the elastic piece.
3. The oil passage switching device according to claim 2, characterized in that the spool includes:
One end of the valve rod is connected with the electromagnet, and the other end of the valve rod is abutted against the elastic piece;
The sealing separation blade is arranged on the valve rod and can close the first diversion channel or the second diversion channel under the drive of the valve rod.
4. The oil passage switching device according to any one of claims 1 to 3, characterized in that,
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 diversion channel is communicated, and the second diversion channel is closed; when the second opening is communicated with the third opening, the first diversion channel is closed, and the second diversion channel is communicated.
5. The oil passage switching apparatus according to any one of claims 1 to 3, characterized by further comprising:
the mounting plate is arranged on the valve body, and the control module is arranged on the mounting plate;
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.
6. An oil passage control system, characterized by comprising:
a first oil tank and a second oil tank;
and two oil path switching devices according to any one of claims 1 to 5;
The first opening of one oil way switching device is communicated with the liquid outlet of the first oil tank, the second opening is communicated with the liquid outlet of the second oil tank, and the third opening is communicated with the liquid inlet of the engine; the other oil way switching device is characterized in that a first opening of the other oil way switching device is communicated with a liquid return opening of the first oil tank, a second opening of the other oil way switching device is communicated with a liquid return opening of the second oil tank, and a third opening of the other oil way switching device is communicated with a liquid outlet of the engine.
7. The oil passage control system according to claim 6, characterized by further comprising:
The oil way switching switch is connected with a control module of the oil way switching device, the oil way switching switch can send out a control signal, and the control module controls the driving part to work according to the received control signal so as to change the conduction state of the oil way 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.
8. A vehicle, characterized by comprising:
the oil passage control system according to claim 6 or 7;
And the oil circuit change-over switch and the display screen of the oil circuit control system are positioned in the cab of the vehicle.
CN201910703496.1A 2019-07-31 2019-07-31 Oil circuit switching device, oil circuit control system and vehicle Active CN110307359B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111895171B (en) * 2020-07-27 2022-08-09 西安涡普动力系统股份有限公司 Switching valve mechanism capable of automatically cutting off power for automobile
CN111878471A (en) * 2020-07-30 2020-11-03 三一重工股份有限公司 Hydraulic control system, fire fighting truck and fire fighting truck operation starting control method
CN114263538A (en) * 2021-12-22 2022-04-01 潍柴动力股份有限公司 Linkage switching valve and light and heavy oil switching system
CN115325421B (en) * 2022-08-26 2024-07-12 徐正强 Drain valve fault detection device

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000352405A (en) * 1999-06-10 2000-12-19 Teijin Seiki Co Ltd Mode selector valve and actuation system having the same
EP1069320A2 (en) * 1999-07-12 2001-01-17 Smc Corporation Directional control valve having position detecting function
EP1674318A1 (en) * 2004-12-22 2006-06-28 Kautex Textron GmbH & Co. KG. Venting valve
CN102221101A (en) * 2010-04-14 2011-10-19 南京理工大学 Spool position detection feedback type bus-mastering electromagnetic container valve
CN102734550A (en) * 2012-06-08 2012-10-17 绍兴文理学院 Intelligent hydraulic valve capable of detecting and repairing chucking fault
CN203023607U (en) * 2012-12-26 2013-06-26 浙江百灵气动科技有限公司 Three-way direct-acting solenoid valve
CN203614811U (en) * 2013-10-25 2014-05-28 宁波明启液压机械有限公司 Electromagnetic reversing valve
CN204004565U (en) * 2014-05-08 2014-12-10 张文军 A kind of solenoid valve for motor main fuel tank and the switching of drop tank fuel oil
CN104455543A (en) * 2013-09-16 2015-03-25 海尔集团公司 Electrically-controlled tee valve and washer with same
CN205715796U (en) * 2016-06-23 2016-11-23 浙江科博电器有限公司 Automatic diverter valve
CN106838376A (en) * 2017-02-17 2017-06-13 中国人民解放军军事交通学院 A kind of three-position electromagnetic high voltage pulse reversal valve
CN108386301A (en) * 2018-02-28 2018-08-10 安徽江淮汽车集团股份有限公司 A kind of fuel oil conversion valve assembly
CN108397320A (en) * 2018-02-28 2018-08-14 安徽江淮汽车集团股份有限公司 A kind of double fuel tank oil supply systems
CN207777040U (en) * 2018-01-05 2018-08-28 中国第一汽车股份有限公司 A kind of fuel supply device
CN109323021A (en) * 2018-10-25 2019-02-12 济南德盛压缩机设备有限公司 A kind of automatic blowdown valve and control method
CN210423811U (en) * 2019-07-31 2020-04-28 三一汽车制造有限公司 Oil circuit switching device, oil circuit control system and vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6494226B2 (en) * 1999-09-21 2002-12-17 Federal-Mogul World-Wide, Inc. Fuel transfer pump and control
KR100430052B1 (en) * 2003-09-18 2004-05-04 한국기계연구원 Pneumatic servo valve
GB0500970D0 (en) * 2005-01-18 2005-02-23 Kohler Mira Ltd Improvements in or relating to ablutionary Installations

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000352405A (en) * 1999-06-10 2000-12-19 Teijin Seiki Co Ltd Mode selector valve and actuation system having the same
EP1069320A2 (en) * 1999-07-12 2001-01-17 Smc Corporation Directional control valve having position detecting function
EP1674318A1 (en) * 2004-12-22 2006-06-28 Kautex Textron GmbH & Co. KG. Venting valve
CN102221101A (en) * 2010-04-14 2011-10-19 南京理工大学 Spool position detection feedback type bus-mastering electromagnetic container valve
CN102734550A (en) * 2012-06-08 2012-10-17 绍兴文理学院 Intelligent hydraulic valve capable of detecting and repairing chucking fault
CN203023607U (en) * 2012-12-26 2013-06-26 浙江百灵气动科技有限公司 Three-way direct-acting solenoid valve
CN104455543A (en) * 2013-09-16 2015-03-25 海尔集团公司 Electrically-controlled tee valve and washer with same
CN203614811U (en) * 2013-10-25 2014-05-28 宁波明启液压机械有限公司 Electromagnetic reversing valve
CN204004565U (en) * 2014-05-08 2014-12-10 张文军 A kind of solenoid valve for motor main fuel tank and the switching of drop tank fuel oil
CN205715796U (en) * 2016-06-23 2016-11-23 浙江科博电器有限公司 Automatic diverter valve
CN106838376A (en) * 2017-02-17 2017-06-13 中国人民解放军军事交通学院 A kind of three-position electromagnetic high voltage pulse reversal valve
CN207777040U (en) * 2018-01-05 2018-08-28 中国第一汽车股份有限公司 A kind of fuel supply device
CN108386301A (en) * 2018-02-28 2018-08-10 安徽江淮汽车集团股份有限公司 A kind of fuel oil conversion valve assembly
CN108397320A (en) * 2018-02-28 2018-08-14 安徽江淮汽车集团股份有限公司 A kind of double fuel tank oil supply systems
CN109323021A (en) * 2018-10-25 2019-02-12 济南德盛压缩机设备有限公司 A kind of automatic blowdown valve and control method
CN210423811U (en) * 2019-07-31 2020-04-28 三一汽车制造有限公司 Oil circuit switching device, oil circuit control system and vehicle

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
基于状态检测元件的气动无线远程故障快速定位技术的研究;卢文辉;;机床与液压;20120515(09);全文 *
汽轮机高调门硬件问题引发的负荷突变故障及其诊断测试方法;万杰;张宏学;邹铁军;刘金福;于达仁;;汽轮机技术;20150825(04);全文 *

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