CN113503385B - Flow control equipment with multi-interface control panel - Google Patents
Flow control equipment with multi-interface control panel Download PDFInfo
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- CN113503385B CN113503385B CN202110864140.3A CN202110864140A CN113503385B CN 113503385 B CN113503385 B CN 113503385B CN 202110864140 A CN202110864140 A CN 202110864140A CN 113503385 B CN113503385 B CN 113503385B
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Classifications
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- 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
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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- 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
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/042—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves with electric means, e.g. for controlling the motor or a clutch between the valve and the motor
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- 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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Valve Housings (AREA)
Abstract
A flow control device with a multi-interface control panel comprises a first distribution valve body, a second distribution valve body, an inflow valve body, a valve core, a sealing seat, a first sensing module, a second sensing module, a transmission shaft, a ribbon board, an electric box, a control panel and a motor; the control panel comprises a single chip microcomputer, the single chip microcomputer comprises 3I 2C interfaces, 8 USART interfaces, 2 CAN interfaces, a USB2.0 interface, 2 SD I O interfaces and 4 SP I interfaces, and the transmission rate corresponding to the SP I interfaces is 50Mbps; the highest working frequency of the single chip microcomputer is 240MHz; the single chip microcomputer further comprises a storage protection unit and an oscillator.
Description
Technical Field
The invention relates to the field of military management and control vehicle-mounted equipment and electronic chips (international classification number H01), in particular to flow control equipment with a multi-interface control board.
Background
The main task of the centralized control equipment is to perform centralized management, real-time monitoring and comprehensive control on various states, information and the like of the public platform equipment, and controlled objects comprise an automobile chassis, an information calendar, an electric lifting rod, a fuel heater, a lodging mechanism, an air conditioner, a generator set, a power supply wall box, a comprehensive power supply and the like. At present, especially in the military field, the requirements on localization and autonomous control of electronic components such as chips are more and more strict, and the core circuit board or the core electronic components used by the centralized control equipment are basically foreign brands and difficult to meet the localization requirements. The invention mainly solves the problems of the chip and the concrete structure and connection relation of the chip specifically applied to the vehicle-mounted equipment, and solves the corresponding technical difficulties.
In actual production practice, there are the following problems:
1. the current implementation modes of the centralized management and control communication control panel generally include two types: firstly, purchasing ready-made industrial control panels in the market to carry out software development; and secondly, developing the circuit board by adopting mainstream chips in the market and matching with self-developed software. The existing problem is that most of main devices are foreign brands and can not meet the requirement of localization.
2. When the chip of the background art is applied to the vehicle-mounted equipment, besides an electronic control system, the chip is also widely applied to an electro-hydraulic control system to control power and auxiliary power of a vehicle, particularly, the chip is commonly used in a valve, when the chip is applied to the valve, the chip is generally arranged in an electric box together with a motor, and the electric box is not favorable for heat dissipation.
3. When the chip in the background art is applied to the vehicle-mounted valve, the chip can be applied to the shunt valve, however, a plurality of branches of the shunt valve have detection requirements, the plurality of branches detect a plurality of groups of sensors, and how to connect the leads of the plurality of groups of sensors with the chip is a difficulty facing the detection.
4. In the specific connection process between the chip and the sensor wire in the background art, the wire generally extends along a wire guiding groove arranged on the valve body or the electrical box, however, for an irregular valve body and an electrical box wall in the form of a square plate, the irregular or relatively large volume of the wire is not favorable for grooving, or a large-size processing platform is required.
5. In the specific installation process of the chip and the sensor wire in the background art, the wire is laid at a position corresponding to the chip interface and is directly bent to align with the interface, which may cause undesired bending of the wire.
6. The valve of the background art may include the valve-in-valve technology, that is, other valves are disposed in a valve core, however, although the valve has multiple functions, the problems of installation difficulty and installation cost are not considered, and the difficulty of manufacturing and installing the valve-in-valve is great.
7. Although the splicing valve core in the background art is more flexible in manufacturing and installation, the sealing performance of the splicing position is a big problem, and no solution exists.
Disclosure of Invention
In order to overcome the problems, the invention provides a solution to solve the problems.
The technical scheme adopted by the invention for solving the technical problems is as follows: a flow control device with a multi-interface control board comprises a first distribution valve body, a second distribution valve body, an inflow valve body, a valve core, a sealing seat, a first sensing module, a second sensing module, a transmission shaft, a ribbon board, an electric box, a control board and a motor; the valve core comprises a first distribution channel, a second distribution channel, an inflow channel, a half valve core I, a half valve core II, an upper embedding ring, a lower embedding ring, a butt joint surface, a middle cavity, an inflow check valve, a distribution check valve I, a distribution check valve II, an upper positioning plate and a lower positioning plate; the batten is provided with a section of inclined hole, and the lower wall of the electrical box is provided with two sections of holes;
the control panel comprises a single chip microcomputer, the single chip microcomputer comprises 3I 2C interfaces, 8 USART interfaces, 2 CAN interfaces, a USB2.0 interface, 2 SD IO interfaces and 4 SPI interfaces, and the transmission rate corresponding to the SPI interfaces is 50Mbps; the highest working frequency of the single chip microcomputer is 240MHz; the single chip microcomputer also comprises a memory protection unit and an oscillator; the first sensing module and the second sensing module transmit data to the single chip microcomputer;
the fluid enters the flow control device from the inflow valve body and is led out through the first distribution valve body and the second distribution valve body, the valve core is arranged inside three parts of the valve bodies, the valve core abuts against the sealing seat, the first sensing module detects the fluid in the first distribution valve body, the second sensing module detects the fluid in the second distribution valve body, a plurality of slats are arranged above the first distribution valve body and the second distribution valve body, an L-shaped plate is arranged above the slats, the L-shaped plate supports and wraps the electrical box, the single chip microcomputer is arranged inside the electrical box, the motor is arranged below the electrical box, and the motor transmits power to the valve core through the transmission shaft; the first sensing module and the second sensing module output signals to the single chip microcomputer through data lines, the data lines extend to the inner side of the batten through the inclined section of hole, a wire groove is formed in the inner side of the batten, the data lines are arranged in the wire groove and extend upwards, the data lines are connected with the single chip microcomputer after passing through the two sections of holes, and the two sections of holes are located on the inner side of the batten;
the central axes of the first distribution channel and the second distribution channel are coincident, and the inflow channel is perpendicular to the first distribution channel and the second distribution channel; when the valve core is installed, the half valve core I and the half valve core II are in butt joint, the plane of a butt joint surface penetrates through the central axis, an upper annular groove is arranged above the valve core after the butt joint, a lower annular groove is arranged below the valve core, an upper embedding ring is arranged in the upper annular groove, a lower embedding ring is arranged in the lower annular groove, sealing elements are arranged on the inner sides of the upper embedding ring and the lower embedding ring, the plane of the butt joint surface is divided into the upper embedding ring and the lower embedding ring, and an upper positioning plate and a lower positioning plate are positioned in the valve core and embedded between the half valve core I and the half valve core II; the middle cavity is formed at the intersection of the first distribution channel, the second distribution channel and the inflow channel, an inflow check valve is arranged in the inflow channel and can be opened towards the middle cavity, a first distribution check valve is arranged in the first distribution channel and can be opened towards the direction far away from the middle cavity, a second distribution check valve is arranged in the second distribution channel and can be opened towards the direction far away from the middle cavity.
Furthermore, the quantity of slat is four, first distribution valve body top is equipped with two slats, the top of second distribution valve body is equipped with two slats.
Further, the L-shaped plate and the ribbon board are integrally arranged.
Furthermore, the upper embedding ring, the lower embedding ring, the upper positioning plate and the lower positioning plate are arranged in an aligned mode.
Further, the inflow check valve is a flap valve.
Furthermore, the first distribution check valve is a flap valve.
Furthermore, the second distribution one-way valve is a flap valve.
Further, the seal seat is an annular seal seat.
Further, the number of the sealing seats is three.
Furthermore, a flange structure is arranged at the outer end of the inflow valve body.
The invention has the advantages that:
1. aiming at the point 1 provided by the background technology, a domestic main control board is designed to meet the independent controllable requirement.
2. Aiming at the point 2 provided by the background technology, the motor which generates heat and does work much is independent outside the electric box, so that the motor is prevented from generating heat too much to influence other components. However, the slat guard fence is arranged outside the motor, and the electric box is arranged on the top of the motor, so that the motor is basically protected and shielded.
3. To the 3 rd point that the background art provided, current control circuit board generally sets up at the electrical cabinet lateral wall, supports the electrical cabinet in the top of a plurality of slats now, through L shaped plate parcel electrical cabinet, because the electrical cabinet is located the position of centre, can conveniently connect the wire of both sides sensor to set up the singlechip of a many interfaces as control circuit board, realized many signal transmission through many interfaces.
4. Aiming at the 4 th point provided by the background technology, a plurality of slats are arranged above the valve body, the shapes and the sizes of the slats are suitable for processing the wire guide grooves, and the problem that a large square plate is inconvenient to process grooves or needs a large-size processing table during processing is avoided.
5. Aiming at the 5 th point provided by the background technology, a two-section perforation mode is adopted, firstly, an inclined hole is arranged on a batten to guide a first section, and the inclined hole enables a lead not to be bent at a right angle; the second section of through hole is arranged at the position, corresponding to the control panel interface, of the bottom wall of the electrical box, so that the conducting wire is close to the interface position after passing through the second section of through hole in the installation process, and the conducting wire is aligned with the interface without labor.
6. In view of the 6 th point proposed in the background art, the valve core is separated along the central axis of the first distribution channel and the second distribution channel, so that the installation of the internal check valve structure is facilitated, and the two half valve cores are butted after the installation is completed.
7. In the 7 th point proposed by the background art,
7.1 An upper insert ring and a lower insert ring are arranged on the periphery of the valve core where the butt joint surfaces of the two half valve cores are located, so that primary sealing is performed, and a sealing element is arranged at the inscribed position of the insert ring and the two half valve cores, so that secondary sealing is performed.
7.2 Upper and lower positioning plates are arranged on the upper and lower walls of the valve cavity defined by the butt joint of the two half valve cores, so that the butt joint positioning of the two half valve cores is convenient.
Note: the above designs are not sequential, each of which makes the present invention a distinct and significant advance over the background art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a sectional view of the vehicle-mounted control shunting device of the invention
FIG. 2 is a schematic diagram of the through-flow distribution state of the present invention
FIG. 3 is a schematic view of the closed state of the present invention
FIG. 4 is a sectional view showing the position of the insert ring and the positioning plate according to the present invention
FIG. 5 is a cross-sectional view of a unidirectional lead-out structure of the present invention
FIG. 6 is a cross-sectional view of a unidirectional lead-in structure of the present invention
FIG. 7 is a schematic view of the position of the insert ring of the present invention
FIG. 8 is a circuit diagram of a multi-interface single-chip microcomputer of the present invention
In the figures, the reference numerals are as follows:
1. first distribution valve body 2, second distribution valve body 3, valve core 4, first distribution channel 5, second distribution channel 6, inflow channel 7, seal seat 8, first sensing module 9, second sensing module 10, inclined first segment hole 11, transmission shaft 12, strip plate 13, electrical box 14, second segment hole 15, control board 16, motor 17, second segment hole 18, strip plate 19, inclined first segment hole 20, inflow valve body 21, half first valve core 22, half second valve core 23, upper insert ring 24, lower insert ring 25, butt surface 26, middle cavity 27, inflow check valve 28, distribution check valve one 29, distribution check valve two 30, upper positioning plate 31, lower positioning plate 31
Detailed Description
As shown in the figure: a fluidic device with a multi-interface control panel, comprising: the valve comprises a first distribution valve body, a second distribution valve body, an inflow valve body, a valve core, a sealing seat, a first sensing module, a second sensing module, a transmission shaft, a ribbon board, an electric box, a control panel and a motor; the valve core comprises a first distribution channel, a second distribution channel, an inflow channel, a half valve core I, a half valve core II, an upper embedding ring, a lower embedding ring, a butt joint surface, a middle cavity, an inflow check valve, a distribution check valve I, a distribution check valve II, an upper positioning plate and a lower positioning plate; the batten is provided with a section of inclined hole, and the lower wall of the electrical box is provided with two sections of holes;
the control panel comprises a single chip microcomputer, the single chip microcomputer comprises 3I 2C interfaces, 8 USART interfaces, 2 CAN interfaces, a USB2.0 interface, 2 SD IO interfaces and 4 SPI interfaces, and the corresponding transmission rate of the SPI interfaces is 50Mbps; the highest working frequency of the single chip microcomputer is 240MHz; the single chip microcomputer also comprises a memory protection unit and an oscillator; the first sensing module and the second sensing module transmit data to the single chip microcomputer;
the fluid enters the flow control device from the inflow valve body and is led out through the first distribution valve body and the second distribution valve body, the valve core is arranged inside three parts of the valve bodies, the valve core abuts against the sealing seat, the first sensing module detects the fluid in the first distribution valve body, the second sensing module detects the fluid in the second distribution valve body, a plurality of slats are arranged above the first distribution valve body and the second distribution valve body, an L-shaped plate is arranged above the slats, the L-shaped plate supports and wraps the electrical box, the single chip microcomputer is arranged inside the electrical box, the motor is arranged below the electrical box, and the motor transmits power to the valve core through the transmission shaft; the first sensing module and the second sensing module output signals to the single chip microcomputer through data lines, the data lines extend to the inner side of the batten through the inclined section of hole, a wire groove is formed in the inner side of the batten, the data lines are arranged in the wire groove and extend upwards, the data lines are connected with the single chip microcomputer after passing through the two sections of holes, and the two sections of holes are located on the inner side of the batten;
the central axes of the first distribution channel and the second distribution channel are coincident, and the inflow channel is perpendicular to the first distribution channel and the second distribution channel; when the valve core is installed, the half valve core I and the half valve core II are in butt joint, the plane of a butt joint surface penetrates through the central axis, an upper annular groove is arranged above the valve core after the butt joint, a lower annular groove is arranged below the valve core, an upper embedding ring is arranged in the upper annular groove, a lower embedding ring is arranged in the lower annular groove, sealing elements are arranged on the inner sides of the upper embedding ring and the lower embedding ring, the plane of the butt joint surface is divided into the upper embedding ring and the lower embedding ring, and an upper positioning plate and a lower positioning plate are positioned in the valve core and embedded between the half valve core I and the half valve core II; the middle cavity is formed at the intersection of the first distribution channel, the second distribution channel and the inflow channel, an inflow one-way valve is arranged in the inflow channel and can be opened towards the middle cavity, a first distribution one-way valve is arranged in the first distribution channel and can be opened towards the direction far away from the middle cavity, a second distribution one-way valve is arranged in the second distribution channel and can be opened towards the direction far away from the middle cavity.
As shown in the figure: the quantity of slat is four, first distribution valve body top is equipped with two slats, the top of second distribution valve body is equipped with two slats. The L-shaped plate and the ribbon board are integrally arranged. The upper embedding ring, the lower embedding ring, the upper positioning plate and the lower positioning plate are arranged in an aligned mode. The inflow check valve is a flap valve. The first distribution one-way valve is a flap valve. And the second distribution one-way valve is a flap valve. The seal receptacle is an annular seal receptacle. The number of the sealing seats is three. And a flange structure is arranged at the outer end of the inflow valve body.
The above detailed description is directed to a specific example of a possible embodiment of the present invention, which is not intended to limit the scope of the invention, but rather the scope of the invention is intended to include all equivalent implementations or modifications without departing from the scope of the invention.
Claims (10)
1. A fluidic device with a multi-interface control panel, comprising: the valve comprises a first distribution valve body, a second distribution valve body, an inflow valve body, a valve core, a sealing seat, a first sensing module, a second sensing module, a transmission shaft, a ribbon board, an electric box, a control panel and a motor; the valve core comprises a first distribution channel, a second distribution channel, an inflow channel, a half valve core I, a half valve core II, an upper embedding ring, a lower embedding ring, a butt joint surface, a middle cavity, an inflow check valve, a distribution check valve I, a distribution check valve II, an upper positioning plate and a lower positioning plate; the batten is provided with a section of inclined hole, and the lower wall of the electrical box is provided with two sections of holes;
the control panel comprises a single chip microcomputer, the single chip microcomputer comprises 3I 2C interfaces, 8 USART interfaces, 2 CAN interfaces, a USB2.0 interface, 2 SDIO interfaces and 4 SPI interfaces, and the transmission rate corresponding to the SPI interfaces is 50Mbps; the highest working frequency of the single chip microcomputer is 240MHz; the single chip microcomputer also comprises a memory protection unit and an oscillator; the first sensing module and the second sensing module transmit data to the single chip microcomputer;
fluid enters the flow control device from the inflow valve body and is led out through the first distribution valve body and the second distribution valve body, the valve core is arranged inside three parts of valve bodies, the valve core abuts against the sealing seat, the first sensing module detects the fluid in the first distribution valve body, the second sensing module detects the fluid in the second distribution valve body, a plurality of laths are arranged above the first distribution valve body and the second distribution valve body, an L-shaped plate is arranged above the laths and supports and wraps the electrical box, the single chip microcomputer is arranged inside the electrical box, the motor is arranged below the electrical box, and the motor transmits power to the valve core through the transmission shaft; the first sensing module and the second sensing module output signals to the single chip microcomputer through data lines, the data lines extend to the inner side of the batten through the inclined section of hole, a wire groove is formed in the inner side of the batten, the data lines are arranged in the wire groove and extend upwards, the data lines are connected with the single chip microcomputer after passing through the two sections of holes, and the two sections of holes are located on the inner side of the batten;
the central axes of the first distribution channel and the second distribution channel are coincident, and the inflow channel is perpendicular to the first distribution channel and the second distribution channel; when the valve is installed, the half valve core I and the half valve core II are in butt joint, the plane where the butt joint surface is located penetrates through the central axis, an upper annular groove is formed above the valve core after the butt joint, a lower annular groove is formed below the valve core, the upper embedding ring is arranged in the upper annular groove, the lower embedding ring is arranged in the lower annular groove, sealing elements are arranged on the inner sides of the upper embedding ring and the lower embedding ring, the plane where the butt joint surface is located is divided into the upper embedding ring and the lower embedding ring, and the upper positioning plate and the lower positioning plate are located inside the valve core and embedded between the half valve core I and the half valve core II; the middle cavity is formed at the intersection of the first distribution channel, the second distribution channel and the inflow channel, an inflow one-way valve is arranged in the inflow channel and can be opened towards the middle cavity, a first distribution one-way valve is arranged in the first distribution channel and can be opened towards the direction far away from the middle cavity, a second distribution one-way valve is arranged in the second distribution channel and can be opened towards the direction far away from the middle cavity.
2. The fluidic device with multiple interface control boards of claim 1, wherein: the quantity of slat is four, first distribution valve body top is equipped with two slats, the top of second distribution valve body is equipped with two slats.
3. The fluidic device with multiple interface control boards of claim 1, wherein: the L-shaped plate and the lath are integrally arranged.
4. The fluidic device with multiple interface control boards of claim 1, wherein: the upper embedding ring, the lower embedding ring, the upper positioning plate and the lower positioning plate are arranged in an aligned mode.
5. The fluidic device with multiple interface control boards of claim 1, wherein: the inflow check valve is a flap valve.
6. The fluidic device with multiple interface control boards of claim 1, wherein: the first distribution one-way valve is a flap valve.
7. The fluidic device with multiple interface control boards of claim 1, wherein: and the second distribution one-way valve is a flap valve.
8. The fluidic device with multiple interface control boards of claim 1, wherein: the seal receptacle is an annular seal receptacle.
9. The fluidic device with multiple interface control boards of claim 8, wherein: the number of the sealing seats is three.
10. The fluidic device with multiple interface control boards of claim 1, wherein: and a flange structure is arranged at the outer end of the inflow valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110864140.3A CN113503385B (en) | 2021-07-29 | 2021-07-29 | Flow control equipment with multi-interface control panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110864140.3A CN113503385B (en) | 2021-07-29 | 2021-07-29 | Flow control equipment with multi-interface control panel |
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| Publication Number | Publication Date |
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| CN113503385A CN113503385A (en) | 2021-10-15 |
| CN113503385B true CN113503385B (en) | 2023-02-03 |
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| CN202110864140.3A Active CN113503385B (en) | 2021-07-29 | 2021-07-29 | Flow control equipment with multi-interface control panel |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522815A1 (en) * | 1974-05-24 | 1975-12-04 | Brooksbank Valves Ltd | STOPCOCK |
| JP2007270922A (en) * | 2006-03-30 | 2007-10-18 | Denso Corp | Valve system |
| CN102182843A (en) * | 2011-04-13 | 2011-09-14 | 陈文才 | Alternation ball check valve |
| CN103363156A (en) * | 2013-07-29 | 2013-10-23 | 王树 | Multifunctional safety valve |
| CN204459285U (en) * | 2015-03-10 | 2015-07-08 | 宁波华平金属制品有限公司 | Three-way stop ball |
| CN110925467A (en) * | 2019-11-25 | 2020-03-27 | 温州市海格阀门有限公司 | Liquid accumulation prevention ball valve |
-
2021
- 2021-07-29 CN CN202110864140.3A patent/CN113503385B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522815A1 (en) * | 1974-05-24 | 1975-12-04 | Brooksbank Valves Ltd | STOPCOCK |
| JP2007270922A (en) * | 2006-03-30 | 2007-10-18 | Denso Corp | Valve system |
| CN102182843A (en) * | 2011-04-13 | 2011-09-14 | 陈文才 | Alternation ball check valve |
| CN103363156A (en) * | 2013-07-29 | 2013-10-23 | 王树 | Multifunctional safety valve |
| CN204459285U (en) * | 2015-03-10 | 2015-07-08 | 宁波华平金属制品有限公司 | Three-way stop ball |
| CN110925467A (en) * | 2019-11-25 | 2020-03-27 | 温州市海格阀门有限公司 | Liquid accumulation prevention ball valve |
Non-Patent Citations (1)
| Title |
|---|
| 转阀及其在液压与气动***中的应用研究;王晓等;《液压气动与密封》;20120715(第07期);第1-8页 * |
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| CN113503385A (en) | 2021-10-15 |
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