Valve terminal assembly

Abstract

The utility model relates to a valve terminal assembly which is used for controlling a gas circuit and comprises a busbar, a plurality of electromagnetic valves and a control box, the busbar is formed by machining aluminum profiles, accessories are installed on the left side of the busbar, the electromagnetic valves are detachably connected with the busbar through first screws, and the control box is connected with the busbar through second screws. The control box is detachably connected with the busbar through second screws, a wiring harness cavity penetrating through the left side and the right side is formed in the front face of the busbar, a layer plate is arranged in the wiring harness cavity, and a plurality of fixing bases are detachably connected to the layer plate; according to the rofibus DP bus valve terminal, the control part and the bus bar are integrally installed, the size is compact, the bus bar and the electromagnetic valve are easy to disassemble and assemble, accessories on the bus bar are compatible with market universal interfaces, mold opening batch production is facilitated, the multi-needle valve terminal, the DB connector board and the bus bar are integrally installed, and the cost is low. And the busbars respectively meet the mounting requirements of eight-path and four-path double-coil electromagnetic valves, so that the generality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic control, in particular to a valve island component. Background Art

[0002] The valve island is a new generation of gas-electric integrated control components, which has evolved from the original valve island with multi-pin interface to the valve island with field bus, followed by the emergence of programmable valve island and modular valve island. The combination of valve island technology and field bus technology not only ensures easy wiring of electric control valves, but also greatly simplifies the debugging, performance detection, diagnosis and maintenance of complex systems. With the help of the high-level integrated information system of field bus, the advantages of both can be fully utilized, and it has a wide range of application prospects.

[0003] The existing valve island technology needs to be combined with the field bus. With the help of the high-level integrated information system of the field bus, the advantages of the valve island can be more obvious. Due to the large number of field buses, the valve island has complex circuits, unreasonable structures, is not compact enough, and is inconvenient to assemble. Utility Model Content

[0004] The utility model aims to provide a valve island assembly, aiming to solve the problems of the existing valve island having complex circuits, unreasonable arrangement of structures, lack of compactness and inconvenient assembly due to the large number of field buses.

[0005] In order to solve the above technical problems, a valve island assembly is provided, including a bus, a plurality of solenoid valves and a control box, the bus is made of aluminum profiles, an accessory is installed on the left side of the bus, the solenoid valve is detachably connected to the bus by a first screw, and the control box is detachably connected to the bus by a second screw. A wiring harness cavity running through the left and right sides is opened inside the front of the bus, and a layer plate is provided inside the wiring harness cavity, and a plurality of fixing seats are detachably connected to the layer plate. The solenoid valve includes a valve body and a control part, and a connecting column is provided on the lower surface of the control part, and the bottom end of the connecting column is located inside the wiring harness cavity. The control box adopts an upper and lower two-layer design, the upper circuit board is used for connecting the valve island to the outside, and the lower main control chip is used for processing input and output signals and controlling the solenoid valve.

[0006] Furthermore, the bus has a first channel and two second channels running through the left and right sides, a plurality of first connecting holes and second connecting holes connected to the first channel and the second channel are provided on the rear side of the bus, a first socket, a second socket, a third socket and a fourth socket connected to the first channel, the second channel, the first connecting hole and the second connecting hole are respectively provided on the upper surface of the bus, the solenoid valve is connected to the first socket, the second socket, the third socket and the fourth socket, the auxiliary part is a stainless steel joint and is installed on the left side of the first channel, and plugs are installed on the right sides of the first channel and the second channel.

[0007] Furthermore, a muffler is installed on the left side of the second channel, and a first joint and a second joint are installed at the first connecting hole and the second connecting hole respectively.

[0008] Furthermore, baffles are fixedly connected to the left and right sides of the wiring harness cavity by installing screws, and long grooves corresponding to the layer plates are opened on the front and rear inner walls of the wiring harness cavity.

[0009] Furthermore, the fixing seat includes a first fixing column and a second fixing column, the first fixing column and the second fixing column are fixedly connected by a connecting plate, positioning grooves are provided on the left and right sides of the connecting plate, and a clamping block is fixedly connected to the side away from the first fixing column and the second fixing column, and a clamping groove corresponding to the clamping block is provided on the layer plate.

[0010] Furthermore, the lower surfaces of the first fixing column and the second fixing column are fixedly connected with positioning columns, and the card slot is a circular structure.

[0011] Furthermore, through holes are provided on both the front and rear sides of the valve body, threaded holes corresponding to the through holes are provided on the upper surface of the bus bar, and the first screw passes through the through holes and is threadedly connected to the threaded holes.

[0012] Furthermore, the control box is powered by a DC isolated power supply, and the transmission communication uses a shielded twisted pair cable.

[0013] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0014] Compared with the prior art, the utility model provides a Profibus DP bus valve island, in which the control part is installed integrally with the bus, has a compact size, and the bus and the solenoid valve are easy to disassemble and install. The auxiliary parts on the bus are compatible with the general interface on the market, which is convenient for mold opening and mass production. In addition, a multi-needle valve island is adopted, and the DB connector board is installed integrally with the bus. The bus meets the installation requirements of eight-way and four-way double-coil solenoid valves respectively, and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the front three-dimensional structure of the valve island assembly of the utility model;

[0017] Figure 2 This is a schematic diagram of the top view of the valve island assembly of the utility model;

[0018] Figure 3 It is a rear perspective structural diagram of the valve island assembly of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the wiring harness cavity of the valve island assembly of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the solenoid valve of the valve island assembly of the utility model;

[0021] Figure 6 It is a schematic diagram of the installation structure of the fixing seat of the valve island assembly of the utility model;

[0022] Figure 7 It is a structural schematic diagram of the fixing seat of the valve island assembly of the utility model.

[0023] Among them: 1. bus; 2. solenoid valve; 3. control box; 4. accessories; 5. first screw; 6. second screw; 7. harness cavity; 8. layer plate; 9. fixing seat; 10. valve body; 11. control unit; 12. connecting column; 101. first channel; 102. second channel; 103. first connecting hole; 104. second connecting hole; 105. first plug; 106. second plug; 107. third plug; 108. fourth plug; 109. plug; 110. muffler; 111. first connector; 112. second connector; 701. mounting screw; 702. baffle; 703. long slot; 901. first fixing column; 902. second fixing column; 903. connecting plate; 904. positioning slot; 905. block; 906. slot; 907. positioning column; 1001. through hole; 1002. threaded hole. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] In one possible implementation,

[0028] Please refer to Figure 1-Figure 7 The embodiment of the utility model provides a valve island assembly, including a busbar 1, a plurality of solenoid valves 2 and a control box 3. The busbar 1 is made of aluminum profiles, an auxiliary part 4 is installed on the left side of the busbar 1, the solenoid valve 2 is detachably connected to the busbar 1 through a first screw 5, and the control box 3 is detachably connected to the busbar 1 through a second screw 6;

[0029] A wiring harness cavity 7 running through the left and right sides is opened inside the front of the bus 1, and a layer plate 8 is arranged inside the wiring harness cavity 7. A plurality of fixing seats 9 are detachably connected to the layer plate 8. The solenoid valve 2 includes a valve body 10 and a control unit 11. A connecting column 12 is arranged on the lower surface of the control unit 11, and the bottom end of the connecting column 12 is located inside the wiring harness cavity 7. The control box 3 adopts an upper and lower two-layer design. The upper circuit board is used for connecting the valve island to the outside, and the lower main control chip is used for processing the input and output signals and controlling the solenoid valve. Specifically, the control box circuit board adopts an upper and lower two-layer structure design, which mainly realizes the input of the interface sensor signal of the valve island to the outside, the power supply input, the connection of the profibus bus and the LED indicator light. The lower board is the core control part, which mainly realizes the implementation of the profibus-dp slave station communication protocol and the processing of input and output signals.

[0030] When installing the valve island assembly provided above, the solenoid valve 2 is installed on the bus 1 by the first screw 5, the control box 3 is installed on the bus 1 by the second screw 6, and then one end of the shielded twisted pair cable is connected to the control box 3, and the other end of the shielded twisted pair cable is placed in the wiring harness cavity 7 and respectively connected to the control part 11 on the solenoid valve 2, and finally the left and right ends of the wiring harness cavity 7 are sealed. Since the control part is installed integrally with the bus 1, the size of the Profibus DP bus valve island is more compact.

[0031] In this embodiment, the bus 1 has a first channel 101 and two second channels 102 running through the left and right sides, a plurality of first connecting holes 103 and second connecting holes 104 connected to the first channel 101 and the second channel 102 are provided on the rear side of the bus 1, a first plug 105, a second plug 106, a third plug 107 and a fourth plug 108 connected to the first channel 101, the second channel 102, the first connecting hole 103 and the second connecting hole 104 are respectively provided on the upper surface of the bus 1, the solenoid valve 2 is connected to the first plug 105, the second plug 106, the third plug 107 and the fourth plug 108, the auxiliary part 4 is a stainless steel joint and is installed on the left side of the first channel 101, and a plug 109 is installed on the right side of the first channel 101 and the second channel 102.

[0032] The auxiliary part 4 is provided with a stainless steel joint so as to be compatible with the common interface in the market, facilitate mold opening and batch production, and reduce manufacturing costs.

[0033] In this embodiment, a muffler 110 is installed on the left side of the second channel 102 , and a first joint 111 and a second joint 112 are installed at the first connecting hole 103 and the second connecting hole 104 , respectively.

[0034] Such an arrangement can reduce the sound of exhaust gas from the second channel 102 , provide a better mute effect during use, and use of the plastic muffler 110 is less costly.

[0035] In this embodiment, baffles 702 are fixedly connected to the left and right sides of the harness cavity 7 by means of mounting screws 701 , and long grooves 703 corresponding to the layer plates 8 are formed on the front and rear inner walls of the harness cavity 7 .

[0036] In this way, the layer plate 8 is inserted into the long slots 703 on the front and rear sides of the harness cavity 7, and finally the baffle 702 is used to block the left and right ends of the harness cavity 7 by installing screws 701, so as to facilitate the installation and fixation of the layer plate 8.

[0037] In this embodiment, the fixing seat 9 includes a first fixing column 901 and a second fixing column 902, and the first fixing column 901 and the second fixing column 902 are fixedly connected by a connecting plate 903. Positioning grooves 904 are provided on the left and right sides of the connecting plate 903. The first fixing column 901 and the second fixing column 902 are fixedly connected to the side away from each other with a clamping block 905, and a clamping groove 906 corresponding to the clamping block 905 is provided on the layer plate 8.

[0038] When installing in this way, the clamping block 905 on the fixing seat 9 is inserted into the clamping groove 906 for fixing, thereby facilitating the removal and installation of the fixing seat 9 and reducing the steps during assembly.

[0039] In this embodiment, the lower surfaces of the first fixing column 901 and the second fixing column 902 are both fixedly connected with positioning columns 907 , and the clamping slot 906 is a circular structure.

[0040] When the fixing seat 9 is installed in this way, the positioning column 907 can be inserted into the card slot 906 to be positioned and guided in advance, and the installation is more convenient.

[0041] In this embodiment, through holes 1001 are formed on both the front and rear sides of the valve body 10 , threaded holes 1002 corresponding to the through holes 1001 are formed on the upper surface of the busbar 1 , and the first screw 5 passes through the through holes 1001 and is threadedly connected to the threaded holes 1002 .

[0042] Such arrangement of the busbar 1 and the solenoid valve 2 is easy to disassemble and install, which can reduce the steps during assembly and enable faster assembly of the valve island.

[0043] In this embodiment, the main control chip in the control box 3 adopts the domestic cortex M3 core ARM chip GD32F303VET6, the DP protocol stack adopts the domestic DSDPV-S100 chip, and other integrated circuits are basically domestically produced. The power supply of the control box 3 adopts the domestic Jinshengyang DC24V-5V DC isolation power supply and Shanghai Belling Company's 5V-3.3V, 5V-1.8V step-down chip, and the transmission communication adopts shielded twisted pair cable, which is compatible with Siemens profibus bus connector DP connector / plug 6ES7972-0BA12-0XA0.

[0044] The technical solution provided by the utility model is as follows: the valve island component is used as follows Figure 1-7As shown, during installation, the block 905 on the fixing seat 9 is inserted into the slot 906 to be fixed, and then the layer plate 8 is inserted into the long slots 703 on the front and rear sides of the wiring harness cavity 7, and then the solenoid valve 2 is installed on the bus 1 through the first screw 5, and the control box 3 is installed on the bus 1 through the second screw 6, and then one end of the shielded twisted pair cable is connected to the control box 3, and the other end of the shielded twisted pair cable is placed in the wiring harness cavity 7 and connected to the control part 11 on the solenoid valve 2 respectively, and finally the baffle 702 is used to block the left and right ends of the wiring harness cavity 7 by installing the screws 701. Since the control part is installed integrally with the bus 1, the size of the Profibus DP bus valve island is more compact.

[0045] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent application. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A valve island assembly, characterized in that: The invention comprises a busbar (1), a plurality of solenoid valves (2) and a control box (3), wherein the busbar (1) is made of aluminum profile, an auxiliary component (4) is installed on the left side of the busbar (1), the solenoid valve (2) is detachably connected to the busbar (1) via a first screw (5), and the control box (3) is detachably connected to the busbar (1) via a second screw (6); The front of the busbar (1) is provided with a wiring harness cavity (7) penetrating the left and right sides, the wiring harness cavity (7) is provided with a layer plate (8), and a plurality of fixing seats (9) are detachably connected to the layer plate (8). The solenoid valve (2) comprises a valve body (10) and a control unit (11), the lower surface of the control unit (11) is provided with a connecting column (12), and the bottom end of the connecting column (12) is located inside the wiring harness cavity (7). The control box (3) adopts an upper and lower two-layer design, the upper circuit board is used for connecting the valve island to the outside, and the lower main control chip is used for processing input and output signals and controlling the solenoid valve.

2. The valve island assembly according to claim 1, characterized in that: The busbar (1) has a first channel (101) and two second channels (102) running through the left and right sides. A plurality of first connection holes (103) and second connection holes (104) communicating with the first channel (101) and the second channel (102) are provided on the rear side of the busbar (1). A first plug hole (105), a second plug hole (106), a third plug hole (107) and a fourth plug hole (108) communicating with the first channel (101), the second channel (102), the first connection hole (103) and the second connection hole (104) are provided on the upper surface of the busbar (1). The solenoid valve (2) is connected to the first plug hole (105), the second plug hole (106), the third plug hole (107) and the fourth plug hole (108). The auxiliary component (4) is a stainless steel joint and is installed on the left side of the first channel (101). A plug (109) is installed on the right side of the first channel (101) and the second channel (102).

3. The valve island assembly according to claim 2, characterized in that: A muffler (110) is installed on the left side of the second channel (102), and a first joint (111) and a second joint (112) are installed at the first connecting hole (103) and the second connecting hole (104), respectively.

4. The valve island assembly according to claim 3, characterized in that: The left and right sides of the wiring harness cavity (7) are fixedly connected to baffles (702) via mounting screws (701), and the front and rear inner walls of the wiring harness cavity (7) are provided with long grooves (703) corresponding to the layer plates (8).

5. The valve island assembly according to claim 4, characterized in that: The fixing seat (9) comprises a first fixing column (901) and a second fixing column (902), the first fixing column (901) and the second fixing column (902) being fixedly connected via a connecting plate (903), the connecting plate (903) having positioning grooves (904) on both left and right sides, a clamping block (905) being fixedly connected to the side away from the first fixing column (901) and the second fixing column (902), and a clamping groove (906) corresponding to the clamping block (905) being provided on the layer plate (8).

6. The valve island assembly according to claim 5, characterized in that: The lower surfaces of the first fixing column (901) and the second fixing column (902) are both fixedly connected with positioning columns (907), and the clamping slot (906) is a circular structure.

7. The valve island assembly according to claim 6, characterized in that: The valve body (10) is provided with through holes (1001) on both the front and rear sides, the busbar (1) is provided with threaded holes (1002) corresponding to the through holes (1001) on the upper surface, and the first screw (5) passes through the through holes (1001) and is threadedly connected to the threaded holes (1002).

8. The valve island assembly according to claim 7, characterized in that: The control box (3) uses a direct current isolated power supply as its power source, and uses a shielded twisted pair cable for transmission and communication.

Images