CN113464684A - Vehicle-mounted equipment with network port conversion chip - Google Patents
Vehicle-mounted equipment with network port conversion chip Download PDFInfo
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- CN113464684A CN113464684A CN202110864157.9A CN202110864157A CN113464684A CN 113464684 A CN113464684 A CN 113464684A CN 202110864157 A CN202110864157 A CN 202110864157A CN 113464684 A CN113464684 A CN 113464684A
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- distribution
- valve
- conversion chip
- valve body
- network port
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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
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
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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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- 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 vehicle-mounted device with a network port conversion chip 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 and a control module; control module includes singlechip, net gape conversion chip, network communication equipment, wherein, net gape conversion chip is in the singlechip with transmission signal between the network communication equipment, net gape conversion chip pass through data interface with the singlechip is connected, data interface includes 8 parallel interface, SPI interface, asynchronous serial ports, the built-in protocol stack firmware of net gape conversion chip, the built-in PPPOE agreement of protocol stack firmware, the PPPOE agreement can be with the help of the realization net gape conversion chip with communication between the network communication equipment.
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 vehicle-mounted equipment with a network port conversion chip.
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 controllability of electronic components including chips and the like are more and more strict, and the core circuit board or the core electronic components thereof used by the centralized control equipment are basically foreign brands and are difficult to meet the localization requirements. The invention mainly solves the problems of the chip and the specific 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, software development is carried out by purchasing ready-made industrial control modules in the market; 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 to manufacture and install, the sealing performance of the splicing position is a big problem, and no solution exists.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a vehicle-mounted device with a network port conversion chip is used for controlling the distribution of fluid in a vehicle, and 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 module 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;
fluid enters the vehicle-mounted equipment 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 control module 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 control module through data lines, the data lines extend to the inner side of the batten through the inclined first section of holes, the inner side of the batten is provided with a wire slot, the data lines are arranged in the wire slot and extend upwards, the data lines are connected with the control module after passing through the two sections of holes, and the two sections of holes are positioned on the inner side of the batten;
the control module comprises a single chip microcomputer, a network port conversion chip and network communication equipment, wherein the network port conversion chip transmits signals between the single chip microcomputer and the network communication equipment, the network port conversion chip is connected with the single chip microcomputer through a data interface, the data interface comprises an 8-bit parallel interface, an SPI (serial peripheral interface) and an asynchronous serial port, protocol stack firmware is arranged in the network port conversion chip, a PPPOE (point-to-point protocol over Ethernet) protocol is arranged in the protocol stack firmware, and the PPPOE protocol can be used for realizing communication between the network port conversion chip and the network communication equipment;
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.
Furthermore, the number of slats 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 lath 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 one-way 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 autonomous controllable requirement.
2. Aiming at the 2 nd point provided by the background technology, the motor which generates heat and does work much is independent outside the electric box, so that the influence of excessive heat generated by the motor on other components is prevented. But the outer side of the motor is provided with a slat guard rail, and the top of the motor is provided with an electric box which basically protects and shields the motor.
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.
4. Aiming at the 4 th point provided by the background technology, a plurality of laths are arranged above the valve body, the shapes and the sizes of the laths are suitable for processing a wire guide groove, and the problem that a large square plate is inconvenient to process a groove 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 interface of the control module, of the bottom wall of the electrical box, so that the conducting wire is close to the interface 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 view of the point 7 proposed in the background art,
7.1) the periphery of the valve core where the butt joint surfaces of the two half valve cores are positioned is provided with an upper embedding ring and a lower embedding ring, so that primary sealing is carried out, and a sealing piece is arranged at the inscribed position of the embedding rings and the two half valve cores, so that secondary sealing is carried out.
7.2) the upper wall and the lower wall of the valve cavity defined by the butt joint of the two half valve cores are provided with an upper positioning plate and a lower positioning plate, so that the butt joint positioning of the two half valve cores is facilitated.
Note: the foregoing designs are not sequential, each of which makes the present invention a distinct and significant advance over the background.
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 equipment 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 schematic diagram of a chip transmission signal according to the present invention
In the figures, the reference numerals are as follows:
1. the valve comprises a first distribution valve body 2, a second distribution valve body 3, a valve core 4, a first distribution channel 5, a second distribution channel 6, an inflow channel 7, a seal seat 8, a first sensing module 9, a second sensing module 10, an inclined first-segment hole 11, a transmission shaft 12, a lath 13, an electric box 14, a two-segment hole 15, a control module 16, an electric motor 17, a two-segment hole 18, a lath 19, an inclined first-segment hole 20, an inflow valve body 21, a half-valve core first 22, a half-valve core second 23, an upper embedding ring 24, a lower embedding ring 25, an abutting surface 26, a middle cavity 27, an inflow check valve 28, a distribution check valve first 29, a distribution check valve second 30, an upper positioning plate 31, a lower positioning plate
Detailed Description
As shown in the figure: a vehicle-mounted device with a network port conversion chip is used for controlling the distribution of fluid in a vehicle, and 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 module 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;
fluid enters the vehicle-mounted equipment 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 control module 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 control module through data lines, the data lines extend to the inner side of the batten through the inclined first section of holes, the inner side of the batten is provided with a wire slot, the data lines are arranged in the wire slot and extend upwards, the data lines are connected with the control module after passing through the two sections of holes, and the two sections of holes are positioned on the inner side of the batten;
as shown in the figure: the control module comprises a single chip microcomputer, a network port conversion chip and network communication equipment, wherein the network port conversion chip transmits signals between the single chip microcomputer and the network communication equipment, the network port conversion chip is connected with the single chip microcomputer through a data interface, the data interface comprises an 8-bit parallel interface, an SPI (serial peripheral interface) and an asynchronous serial port, protocol stack firmware is arranged in the network port conversion chip, a PPPOE (point-to-point protocol over Ethernet) protocol is arranged in the protocol stack firmware, and the PPPOE protocol can be used for realizing communication between the network port conversion chip and the network communication equipment;
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 lath 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 seat is an annular seal seat. 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 specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a take mobile unit of net gape conversion chip for fluid carries out reposition of redundant personnel control in to the car, its characterized in that: the vehicle-mounted equipment comprises the first distribution valve body, the 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 module 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;
fluid enters the vehicle-mounted equipment 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 control module 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 control module through data lines, the data lines extend to the inner side of the batten through the inclined first section of holes, the inner side of the batten is provided with a wire slot, the data lines are arranged in the wire slot and extend upwards, the data lines are connected with the control module after passing through the two sections of holes, and the two sections of holes are positioned on the inner side of the batten;
the control module comprises a single chip microcomputer, a network port conversion chip and network communication equipment, wherein the network port conversion chip transmits signals between the single chip microcomputer and the network communication equipment, the network port conversion chip is connected with the single chip microcomputer through a data interface, the data interface comprises an 8-bit parallel interface, an SPI (serial peripheral interface) and an asynchronous serial port, protocol stack firmware is arranged in the network port conversion chip, a PPPOE (point-to-point protocol over Ethernet) protocol is arranged in the protocol stack firmware, and the PPPOE protocol can be used for realizing communication between the network port conversion chip and the network communication equipment;
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.
2. The on-board unit with the network port conversion chip 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 on-board unit with the network port conversion chip of claim 1, wherein: the L-shaped plate and the lath are integrally arranged.
4. The on-board unit with the network port conversion chip 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 on-board unit with the network port conversion chip of claim 1, wherein: the inflow check valve is a flap valve.
6. The on-board unit with the network port conversion chip of claim 1, wherein: the first distribution one-way valve is a flap valve.
7. The on-board unit with the network port conversion chip of claim 1, wherein: and the second distribution one-way valve is a flap valve.
8. The on-board unit with the network port conversion chip of claim 1, wherein: the seal seat is an annular seal seat.
9. The on-board unit with the network port conversion chip of claim 8, wherein: the number of the sealing seats is three.
10. The on-board unit with the network port conversion chip 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 |
|---|---|---|---|
| CN202110864157.9A CN113464684B (en) | 2021-07-29 | 2021-07-29 | Vehicle-mounted equipment with network port conversion chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110864157.9A CN113464684B (en) | 2021-07-29 | 2021-07-29 | Vehicle-mounted equipment with network port conversion chip |
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| Publication Number | Publication Date |
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| CN113464684A true CN113464684A (en) | 2021-10-01 |
| CN113464684B CN113464684B (en) | 2022-08-05 |
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| CN202110864157.9A Active CN113464684B (en) | 2021-07-29 | 2021-07-29 | Vehicle-mounted equipment with network port conversion chip |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030086032A (en) * | 2002-05-03 | 2003-11-07 | 문희경 | Ball check valve |
| CN201386817Y (en) * | 2009-03-06 | 2010-01-20 | 凯喜姆阀门有限公司 | Check ball valve |
| CN102182843A (en) * | 2011-04-13 | 2011-09-14 | 陈文才 | Alternation ball check valve |
| CN203641597U (en) * | 2014-04-11 | 2014-06-11 | 浙江敏康特阀门有限公司 | Non-return ball valve |
| CN110925467A (en) * | 2019-11-25 | 2020-03-27 | 温州市海格阀门有限公司 | Liquid accumulation prevention ball valve |
| CN210397879U (en) * | 2019-03-25 | 2020-04-24 | 新天科技股份有限公司 | Wireless intelligent low-power-consumption electric ball valve |
-
2021
- 2021-07-29 CN CN202110864157.9A patent/CN113464684B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030086032A (en) * | 2002-05-03 | 2003-11-07 | 문희경 | Ball check valve |
| CN201386817Y (en) * | 2009-03-06 | 2010-01-20 | 凯喜姆阀门有限公司 | Check ball valve |
| CN102182843A (en) * | 2011-04-13 | 2011-09-14 | 陈文才 | Alternation ball check valve |
| CN203641597U (en) * | 2014-04-11 | 2014-06-11 | 浙江敏康特阀门有限公司 | Non-return ball valve |
| CN210397879U (en) * | 2019-03-25 | 2020-04-24 | 新天科技股份有限公司 | Wireless intelligent low-power-consumption electric ball valve |
| CN110925467A (en) * | 2019-11-25 | 2020-03-27 | 温州市海格阀门有限公司 | Liquid accumulation prevention ball valve |
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| Publication number | Publication date |
|---|---|
| CN113464684B (en) | 2022-08-05 |
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