CN212804394U

CN212804394U - Valve terminal

Info

Publication number: CN212804394U
Application number: CN202021517799.9U
Authority: CN
Inventors: 李文杰
Original assignee: Fas Electronics Fujian Co ltd
Current assignee: Fas Electronics Fujian Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-26
Anticipated expiration: 2030-07-28

Abstract

The valve island comprises a valve accommodating part and a control accommodating part, wherein an IO-Link coupling part is arranged on the upper surface of the control accommodating part and is connected with an analog-to-digital conversion unit, an electromagnetic valve is arranged on the valve accommodating part, and the analog-to-digital conversion unit is further connected with the electromagnetic valve. Different from the prior art, the technical scheme can receive the IO-Link protocol control signal by arranging the IO-Link coupling part, and finally achieves the technical effect of directly accessing the IO-Link signal control valve by converting through the analog-to-digital conversion unit.

Description

Valve terminal

Technical Field

The utility model relates to a control valve design field especially relates to a multi-functional valve island.

Background

The existing valve islands function directly through electrical signals to access control, such as the valve islands in 201710443077.X and 201921488228.4, and can only be simply electrically communicated. There is no valve island design for responding to the direct access of special industrial control protocols such as IO-Link signals, which has the disadvantage of being unable to adapt to the requirements of conservation.

Disclosure of Invention

Therefore, a valve island with a novel purpose needs to be provided, so that the problem that the valve island is not high in functional practicability is solved more intelligently.

In order to achieve the above purpose, the inventor provides a valve island, which includes a valve accommodating portion and a control accommodating portion, wherein an IO-Link coupling portion is arranged on an upper surface of the control accommodating portion, the IO-Link coupling portion is connected with an analog-to-digital conversion unit, the valve accommodating portion is provided with an electromagnetic valve, and the analog-to-digital conversion unit is further connected with the electromagnetic valve.

Specifically, the valve accommodating portion includes a plurality of solenoid valves, and the analog-to-digital conversion unit has a plurality of output terminals connected to the plurality of solenoid valves, respectively.

Specifically, the control accommodating part comprises a cover body, the analog-to-digital conversion unit is arranged inside the cover body, an opening is formed in the upper surface of the cover body, and the IO-Link coupling part is arranged at the opening.

Further, the cover body is fixed on the base of the valve island through screws.

The device comprises an IO-Link coupling part, and is characterized by further comprising an IO-Link connecting part, wherein the IO-Link connecting part is in communication connection with the IO-Link coupling part and is used for transmitting IO-Link signals.

Different from the prior art, the technical scheme can receive the IO-Link protocol control signal by arranging the IO-Link coupling part, and finally achieves the technical effect of directly accessing the IO-Link signal control valve by converting through the analog-to-digital conversion unit.

Drawings

FIG. 1 is a schematic diagram of a valve island with IO-Link access according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a valve island with a communication interface according to an embodiment of the present invention;

fig. 3 is a schematic view of a communication terminal according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an expandable valve island according to an embodiment of the present invention;

FIG. 5 is a circuit module connection diagram according to an embodiment of the present invention;

fig. 6 is a schematic view of a hub according to an embodiment of the present invention.

Description of reference numerals:

1. a valve housing portion;

10. electromagnetic valve

2. A control accommodating part;

20. a cover body;

201. a screw;

21. an IO-Link coupling section;

22. a base;

23. a communication interface;

230. a communication terminal;

2301. a top plate;

2302. a base plate;

2303. a wire plugging port;

2304. a wire pressing elastic piece;

2304a, fixed end;

2304b, a movable end;

2305. a boss;

24. opening a hole;

25. a light-transmitting portion;

26. and a hub.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Please refer to fig. 1, which is a valve island with IO-Link access of the present invention, including a valve accommodating portion 1 and a control accommodating portion 2, wherein an IO-Link coupling portion 21 is disposed on an upper surface of the control accommodating portion. The IO-Link coupling part can be an IO-Link socket provided with a specific pin and an interface, and the IO-Link signal is transmitted through the specific pin. The IO-Link coupling portion is connected to an analog-to-digital conversion unit, which may be disposed inside a control accommodation portion (not shown in the figure), the valve accommodation portion is provided with a solenoid valve 10, and the analog-to-digital conversion unit is further connected to the solenoid valve. The electromagnetic valve is an air valve or a liquid valve controlled by an electric signal, and the analog-digital conversion unit is used for converting the received IO-Link control signal into the electric signal so as to control the actuation of the electromagnetic valve. Through the scheme, the valve island can directly utilize IO-Link signals to work, and the use convenience and the production efficiency are improved.

In other specific embodiments, the valve accommodating portion 1 includes a plurality of solenoid valves 10, and the analog-to-digital conversion unit has a plurality of output terminals respectively connected to the plurality of solenoid valves. The conversion function of the analog-to-digital conversion unit can be realized through the existing IO-Link chip, and like an FPGA and the like, the scheme of setting a plurality of output ends is achieved through a plurality of pins. By controlling the plurality of solenoid valves according to the above-described aspect, production efficiency can be further improved.

Specifically, the control accommodating portion 2 includes a cover 20, and as shown in the figure, the cover 20 has a square body, such as a rectangular parallelepiped, and a lower opening thereof and a base 22 of the control accommodating portion surround the internal components. As can be seen from the figure, the cover is fixed to the base of the control housing by screws 201. The seat here may be only one, extending to below both the control housing and the valve housing. The electronic modules such as the analog-digital conversion unit are arranged inside the cover body, the upper surface of the cover body is provided with an opening 24, and the IO-Link coupling part 21 is arranged at the opening. The IO-Link coupling part 21 may be an IO-Link plug having one end connected to the analog-to-digital conversion unit and the other end disposed below or protruding from the opening part so as to be exposed from the opening. Above-mentioned scheme is through setting up the inside electronic component of lid protection for electronic component does not receive the harm such as wearing and tearing acid corrosion, promotes the life of this setting scheme. And the IO-Link coupling part can be plugged with an external signal line by arranging an opening on the cover body.

In other specific embodiments, the device further comprises an IO-Link connecting part, wherein the IO-Link connecting part is in communication connection with the IO-Link coupling part, and the IO-Link connecting part is used for transmitting IO-Link signals. Specifically, the IO-Link connecting part can be an IO-Link wireless receiving end with a wireless receiving function or a data line connected in a wired mode, and through being in communication connection with the IO-Link coupling part, the scheme can receive an upper computer control signal through the IO-Link connecting part, so that the electromagnetic valve is controlled better, and the practicability of the scheme is improved.

In the embodiment shown in fig. 2, a valve island according to another embodiment of the present disclosure includes a valve accommodating portion 1 and a control accommodating portion 2, a communication interface 23 is disposed on an upper surface of the control accommodating portion 2, a plurality of communication terminals 230 are disposed in the communication interface, the communication terminals are connected to a control unit, the control unit may be disposed in the control accommodating portion (not shown in the figure), and the control unit may transmit a received signal to the control unit. Specifically, in the schematic diagram of the communication terminal shown in fig. 3, it can be seen that the communication terminal has the following structure, including a cage body and a wire pressing elastic member 2304;

the cage body comprises a top plate 2301 and a bottom plate 2302, and a wire inserting port 2303 is formed between the top plate and the bottom plate;

one end of the wire pressing elastic piece 2304 is a fixed end 2304a, and the other end of the wire pressing elastic piece is a movable end 2304 b; the pressing line elastic piece is arranged between the top plate and the bottom plate of the cage body in a compressed mode, the fixed end is connected with the top plate, and the movable end abuts against the bottom plate under the action of self elasticity;

the side of expansion end is provided with boss 2305, the boss wears to the cage external, and can swing along the elasticity direction that the expansion end received. If the movable end needs to be separated from the bottom plate of the cage body, the boss can be pressed in the direction opposite to the elasticity borne by the movable end, so that the boss drives the movable end to move in the direction opposite to the elasticity borne by the movable end, and in the process, the wire pressing elastic piece continues to store elastic potential energy; after that, if the movable end 2304b needs to be restored to the state of abutting against the bottom plate of the cage body, the boss is only needed to be loosened, the wire pressing elastic piece releases elastic potential energy, and the movable end 2304b can move towards the direction of the elastic force applied to the movable end 2304b under the action of the elastic force until the movable end completely abuts against the bottom plate of the cage body. In some preferred embodiments, the communication terminal 230 is vertically disposed inside the cover, and the boss 2305 is further disposed as a holding portion (not shown) bent upward to protrude above the boss of the upper surface of the valve accommodating portion, so that the boss holding portion protruding to the valve accommodating portion can be controlled outside the valve control portion without using any other tool. Of course, the movement of the movable end can be controlled at the upper part of the cover body by other separated designs or a lever and the like. The communication terminal of above-mentioned scheme can the better centre gripping cable's grafting needle, and then the effect of the operation of being convenient for. The control unit is used for converting the signal of the plug pin of the cable into a signal for controlling the electromagnetic valve, so that the technical effects of receiving and controlling the signal are better achieved. And a plurality of communication terminals are arranged at the same time, so that the multi-way electromagnetic valve can be controlled. The practicality of this scheme has been promoted. In the embodiment shown in fig. 2, it can be seen that the valve housing 1 comprises a plurality of solenoid valves 10, all arranged on a base 22. The control unit is provided with a plurality of output ends which are respectively connected with the plurality of electromagnetic valves. The electromagnetic valve can be an air valve or a liquid valve. Produce a plurality of solenoid valves of multiplexed output control through the control unit to carry out on-off control to a plurality of passageways, and then promoted the complicated pipeline of this scheme ability of controlling. The electromagnetic valve is electrically connected with the control unit, the control unit can be an FPGA (field programmable gate array) or a signal processing chip, and the electromagnetic valve can be used for forwarding an electric signal of the communication terminal and has the functions of time delay, storage and the like. Set up communication terminal received signal through above-mentioned scheme, can convenience of customers's plug and reach the effect of fastening signal line, provide the signal that control unit received communication terminal simultaneously and control solenoid valve's actuation. The practicality of this scheme has been promoted.

In other embodiments, as shown in fig. 2, the control container 2 includes a cover 20, and as shown, the cover 20 has a square, e.g., rectangular, shape, with a lower opening and a base 22 of the control container surrounding the internal components. As can be seen from the figure, the cover is fixed to the base of the control housing by screws 201. The control unit is arranged inside the cover body, and the upper surface of the cover body 20 is provided with a communication interface 23. The cover body is fixed on the base of the valve island through screws. The cover body can better protect internal elements and provide support for the interface of the communication terminal. Thereby satisfying the requirement of durability.

In order to indicate the working state of the electromagnetic valve, the cover body 20 further includes a light-transmitting portion 25, the light-transmitting portion is used for transmitting light emitted by the light-emitting unit, the light-emitting unit is connected in series with a branch from the output end of the control unit to the electromagnetic valve, the light-transmitting portion can be hollow or covered with glass, the light-emitting unit can be an indicator light, an LED, or the like, and can be colored for better indication. The light emitting units are arranged in a plurality of numbers and are respectively connected in series on a branch from the output end of each control unit to the electromagnetic valve, and in some specific embodiments, the number of the light transmission parts and the number of the output ends of the control units can also be set to be the same. If the marks on the edges of the plurality of light-transmitting parts on the cover body correspond to the serial numbers, the function of displaying whether the branch is smooth or not can be better played.

In the embodiment shown in fig. 4, we further design a scalable valve island, which includes a valve accommodating portion 1 and a control accommodating portion 2, an IO-Link coupling portion 21 is disposed on an upper surface of the control accommodating portion, the IO-Link coupling portion is connected to an analog-to-digital conversion unit, a communication interface 23 is further disposed on the upper surface of the control accommodating portion, and a plurality of communication terminals are disposed in the communication interface. Referring to fig. 3, the communication terminal is a structure including a cage and a wire pressing elastic member 2304; the cage body comprises a top plate 2301 and a bottom plate 2302, and a wire inserting port 2303 is formed between the top plate and the bottom plate; one end of the wire pressing elastic piece 2304 is a fixed end 2304a, and the other end of the wire pressing elastic piece is a movable end 2304 b; the pressing line elastic piece is arranged between the top plate and the bottom plate of the cage body in a compressed mode, the fixed end is connected with the top plate, and the movable end abuts against the bottom plate under the action of self elasticity; the side of expansion end is provided with boss 2305, the boss wears to the cage external, and can swing along the elasticity direction that the expansion end received. In the above specific usage of the communication terminal, reference may be made to the description related to fig. 3, and in this application example of the expandable valve island, the output end of the analog-to-digital conversion unit may be connected to the input end of the control unit, so that the control signal may be input into the control unit, and the instruction may be distributed through the control unit.

In some embodiments, the communication terminal 23 is connected to a control unit disposed in the control receptacle, where the communication terminal is conductively connected to the control unit to function as a socket. For example, the communication terminal is provided in plural, the plural communication terminals are respectively connected to the plural signal output terminals of the control unit, the signal output of the control unit is received, and after the electric wire inserted into the communication terminal is present, the effect of transferring the output signal of the control unit to the electric wire can be achieved. If the other end of the wire is connected to some valve island (as shown in fig. 2) capable of receiving control signals, or further, a communication terminal for receiving is also provided, the technical effect of outputting multi-path signals and simultaneously controlling multi-path solenoid valves arranged on a plurality of valve islands can be achieved. Has high environmental suitability.

In a further embodiment, the base 22 of the valve accommodating portion is further provided with an electromagnetic valve, the electromagnetic valve is electrically connected with the control unit, the valve accommodating portion is provided with an electromagnetic valve, and the analog-to-digital conversion unit is further connected with the electromagnetic valve. The control unit can control the electromagnetic valve of the valve accommodating part through the arrangement. The valve accommodating portion includes a plurality of solenoid valves, and the control unit has a plurality of output terminals connected to the plurality of solenoid valves, respectively. Through the setting, the control unit controls the multi-way electromagnetic valve of the valve accommodating part.

As shown in fig. 4, the control housing comprises a cover 20 inside which the control unit is arranged, the upper surface of which is provided with a communication interface 23. The communication interface is an opening on the upper surface of the cover body, can be in any shape, only the communication terminal can be exposed out of the opening, and in order to achieve the shape matching with the communication terminal, the shape of the communication interface can be set to be square. The upper surface of lid still can be provided with easily tears the piece, easily tear the piece and shelter from in communication interface, with the most separation in edge of communication interface, only through the edge connection of breaking formula structure and communication interface, break formula structure for with lid upper surface integrated into one piece's thin plastics, plastic strip etc. can make easily tear the piece easily from the lid simply separate can.

In order to make the cover more firm and less likely to fall off, the cover 20 is fixed to the base of the valve island by screws 201. The cover body can be fixed in a clamping hook and clamping groove mode, and the technical effect of improving the overall structural strength of the valve island can be achieved by the scheme.

In a preferred embodiment as shown in fig. 4, the cover further includes a light-transmitting portion 25 for transmitting light emitted from the light-emitting unit, and the light-emitting unit is connected in series to a branch from the output end of the control unit to the solenoid valve. The light-transmitting part can be hollow and can also be covered with glass, the light-emitting unit can be an indicator light, an LED and the like, and the light-emitting unit can be colored to better indicate. The light emitting units are arranged in a plurality of numbers and are respectively connected in series on a branch from the output end of each control unit to the electromagnetic valve, and in some specific embodiments, the number of the light transmission parts and the number of the output ends of the control units can also be set to be the same. If the marks on the edges of the plurality of light-transmitting parts on the cover body correspond to the serial numbers, the function of displaying whether the branch is smooth or not can be better played.

In the embodiment shown in fig. 5, a connection relation diagram capable of expanding the valve island equivalent is further provided, in the embodiment shown in the diagram, a control signal received by the IO-Link coupling portion enters an IO-Link interface, and is converted by the analog-to-digital conversion unit, in an actual application example, the analog-to-digital conversion unit may be an existing IO-Link receiver, the internal decoding function of the analog-to-digital conversion unit is self-contained, and then the decoded control signal is transmitted to the input end of the control unit, and a plurality of output ends of the control unit are shown on the right side of the control unit, and can be directly connected to the solenoid valve 10 arranged in the valve accommodating portion of the valve island of the current stage, or can be expanded to the solenoid valve of the next stage valve island shown on.

As shown in fig. 6, our solution also includes a hub 26 collocated with the communication interface 23, which may be adapted to a valve island with a communication interface. The concentrator is big end down type, the lower part opening and the communication interface adaptation of concentrator, and upper portion still is equipped with the opening that the power supply line passed. The upper opening of the hub may also be connected to the bus sheath. The lower end of the concentrator can be fixed with the upper surface of the cover body in a screw mode and the like. Through designing the concentrator, can make things convenient for the receipts of multichannel wiring to restraint, improve the practicality of this scheme.

The above embodiments are only embodiments of the present invention, and not intended to limit the scope of the present invention, and although the above embodiments have been described, once the basic inventive concept is known, those skilled in the art can make other changes and modifications to these embodiments, so that the above embodiments are only embodiments of the present invention, and not intended to limit the scope of the present invention, and all the modifications made by the equivalent structures or equivalent processes in the specification and drawings are utilized or are directly or indirectly applied to other related technical fields, and all the modifications are included in the scope of the present invention.

Claims

1. The valve island is characterized by comprising a valve accommodating part and a control accommodating part, wherein an IO-Link coupling part is arranged on the upper surface of the control accommodating part, the IO-Link coupling part is connected with an analog-to-digital conversion unit, the valve accommodating part is provided with an electromagnetic valve, and the analog-to-digital conversion unit is further connected with the electromagnetic valve.

2. The valve island of claim 1, wherein the valve receiving portion comprises a plurality of solenoid valves, and the analog-to-digital conversion unit has a plurality of output terminals respectively connected to the plurality of solenoid valves.

3. The valve island of claim 1, wherein the control receptacle comprises a cover, the analog-to-digital conversion unit is disposed inside the cover, an upper surface of the cover is provided with an opening, and the IO-LINK coupling portion is disposed at the opening.

4. The valve island of claim 3, wherein the cover is secured to the base of the valve island by screws.

5. The valve island of claim 1, further comprising an IO-Link connection portion, wherein the IO-Link connection portion is in communication connection with the IO-Link coupling portion, and the IO-Link connection portion is used for transmitting IO-Link signals.