Centralized control device and electromagnetic valve box

Abstract

The utility model discloses a centralized control device which comprises a filter assembly, an electromagnetic valve assembly, a confluence plate assembly and a connecting piece. Wherein the filter assembly comprises a filter, and the filter is used for compressing gas entering the centralized control device; the electromagnetic valve assembly comprises an electromagnetic valve and a pneumatic valve, and the pneumatic valve and the electromagnetic valve are arranged adjacently. The confluence plate assembly comprises a confluence plate, the electromagnetic valve is installed in the confluence plate, and the confluence plate is used for connecting the filter assembly and the electromagnetic valve assembly; the connecting piece comprises a transportation pipeline, and the transportation pipeline comprises a gas transportation pipeline; the filter assembly and the electromagnetic valve assemblies are independently arranged, and the electromagnetic valve assemblies are independently arranged and connected in parallel through the confluence plate assembly. According to the centralized control device provided by the embodiment of the invention, the use amount of the filter can be reduced, the mounting and matching cost of the pneumatic valve can be reduced, the single electromagnetic valve assembly can be independently isolated, and when the single electromagnetic valve assembly is replaced, other electromagnetic valve assemblies are not influenced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of mechanical control, in particular to a centralized control device and an electromagnetic valve box. BACKGROUND

[0002] In modern production, several hundreds or even thousands of pneumatic valves are needed in a workshop or small and medium-sized enterprise. The pneumatic valve is driven to open and close by the 24VDC or 220VAC on-off signal of the electromagnetic valve, which controls the compressed air to enter the pneumatic actuator to drive the valve to open and close. The electromagnetic valve is an electromagnetic control industrial device, which realizes the closed-loop control of fluid through the conversion between electric and pneumatic signals, and is used to control the compressed air to enter the pneumatic actuator to drive the valve to open and close. It plays an important role in the safety production of enterprises. At present, the market mainly adopts the integrated installation connection control of electromagnetic valve and pneumatic valve, or cannot separately disconnect the air isolation and replace the electromagnetic valve. CONTENT OF THE UTILITY MODEL

[0003] Embodiments of the present application provide a centralized control device, comprising:

[0004] A filter assembly comprising a filter for compressing the gas entering the centralized control device;

[0005] An electromagnetic valve assembly comprising an electromagnetic valve and a pneumatic valve, the pneumatic valve and the electromagnetic valve being arranged adjacent to each other, the electromagnetic valve assembly being not less than two, the electromagnetic valve being used to control the opening and closing of the pneumatic valve, and the pneumatic valve being provided with an air outlet pipeline in the air outlet direction;

[0006] A bus bar assembly comprising a bus bar, the electromagnetic valve being installed in the bus bar, the bus bar being used to connect the filter assembly and the electromagnetic valve assembly;

[0007] A connecting piece comprising a transportation pipeline, the transportation pipeline comprising a gas transportation pipeline, the gas transportation pipeline being used to transport the gas of the filter assembly into the electromagnetic valve assembly;

[0008] The filter assembly and the electromagnetic valve assembly are independently arranged, and the electromagnetic valve assemblies are independently arranged and connected in parallel by the bus bar assembly.

[0009] In some embodiments, the electromagnetic valve is connected with the bus bar, the pneumatic valve is connected in the opposite direction of the air outlet direction of the electromagnetic valve, and the pneumatic valve is arranged in the interval between the electromagnetic valve and the bus bar.

[0010] In some embodiments, the filter assembly enters the manifold through the gas transportation pipeline, the gas transportation pipeline includes branch gas transportation pipelines, the branch gas transportation pipelines are connected with the pneumatic valves, and the number of the branch gas transportation pipelines corresponds to the number of the solenoid valve assemblies;

[0011] The gas transportation pipeline in the manifold transports compressed gas into the pneumatic valves through the branch gas transportation pipelines, the solenoid valves control the opening and closing of the pneumatic valves, thereby controlling the flow of gas from the branch gas transportation pipelines to the gas outlet pipeline.

[0012] In some embodiments, the filter assembly further includes a bracket and a pressure testing device, the filter includes a first filter and a second filter, the first filter is a normally open filter, the second filter is a backup filter, the first filter and the second filter are arranged in parallel, the bracket is used to support the filter, and the pressure testing device is used to control the gas pressure of the gas entering the gas transportation pipeline.

[0013] In some embodiments, the manifold assembly further includes a shutdown member, the shutdown member is arranged on the manifold, the number of the shutdown members corresponds to the number of the solenoid valve assemblies, the cable passes through the shutdown member and then passes through the solenoid valve, and when the solenoid valve fails, the shutdown member is used to shut off the current in the cable, thereby facilitating the maintenance and replacement of the solenoid valve.

[0014] In some embodiments, the solenoid valve is provided with an exhaust control knob, and the exhaust control knob is used to control the speed of the action of the pneumatic valve.

[0015] In another aspect, the embodiments of the present application provide an electromagnetic valve box, which comprises:

[0016] The centralized control device described above;

[0017] A wiring assembly, the wiring assembly includes a wiring terminal group and a circuit breaker, the wiring terminal group is used to collect the cables, and the circuit breaker is used to control the opening and closing of the current in the cables;

[0018] A joint, the joint includes a wiring joint and a gas outlet joint, the wiring joint is used for the cables to enter and exit, the gas outlet joint is used for the gas outlet pipeline to transport out, and the gas outlet joint is matched with the gas outlet pipeline;

[0019] A box shell, the box shell is arranged outside the wiring assembly, the joint, the centralized control device and the rest of the filter assembly, and is used to support and protect the wiring assembly, the joint, the centralized control device and the rest of the filter assembly.

[0020] The opening of the wiring joint and the gas outlet joint is located on the box shell.

[0021] In some embodiments, the wiring assembly further comprises a grounding terminal assembly for collecting the cables and grounding the cable front end to the ground net.

[0022] In some embodiments, the cable enters from the wiring joint, passes through the wiring terminal assembly and the circuit breaker, enters the shut-off member, then enters the electromagnetic valve, the cable transmits an electrical signal to the electromagnetic valve, and finally passes through the grounding terminal assembly and exits the electromagnetic valve box.

[0023] In some embodiments, the inner surface of the top end of the box shell is provided with a lighting lamp, and the lighting lamp is provided with a contact switch, which is turned on or off when the box door of the box shell is opened or closed.

[0024] The centralized control device provided by the embodiments of the present application integrally designs the electromagnetic valve and the pneumatic valve, and parallelly arranges each electromagnetic valve assembly, and separates the filter assembly and the electromagnetic valve assembly, so that the use amount of the filter can be reduced, the installation and supporting cost of the pneumatic valve can be reduced, and the single electromagnetic valve assembly can be isolated and replaced without affecting other electromagnetic valve assemblies. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 is a structural schematic diagram of an embodiment of the centralized control device of the present application;

[0027] Figure 2 is Figure 1 is a partial structural schematic diagram of the centralized control device of the embodiment;

[0028] Figure 3 is Figure 2 is a partial structural schematic diagram of the centralized control device of another embodiment;

[0029] Figure 4 is Figure 1 is a structural schematic diagram of the filter assembly of the embodiment;

[0030] Figure 5 is Figure 1The embodiment is a schematic diagram of a centralized control device structure of a broken piece;

[0031] Figure 6 The embodiment is a schematic diagram of a structure of a solenoid valve box;

[0032] Figure 7 The embodiment is a schematic diagram of a structure of a solenoid valve box; Figure 6 The embodiment is a schematic diagram of a structure of a solenoid valve box; DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0034] The above is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

[0035] The terms "first", "second", "third" in the embodiments of the present application are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly. The terms "include" and "have" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or components inherent to the process, method, product or device.

[0036] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute a separate or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0037] The embodiment of the present application aims to overcome the defects and deficiencies in the prior art and to provide a centralized control device, which aims to overcome the problems in the prior art where the solenoid valve and the pneumatic valve are installed and connected in an integrated manner and cannot be individually cut off from the gas to isolate and replace the electromagnetic box control of the solenoid valve.

[0038] like Figure 1 and Figure 2 As shown, Figure 1 This is a structural diagram of an embodiment of the centralized control device of the present application and Figure 2 yes Figure 1 Schematic diagram of the partial structure of the centralized control device of the embodiment, the centralized control device 10 includes: a filter assembly 100, a solenoid valve assembly 200, a manifold assembly 300 and a connector 400, the filter assembly 100 includes a filter 1000, the filter 1000 is used to compress the gas entering the centralized control device 10, in some embodiments, the filter 1000 can be an air compressor, the air compressor is used to compress the external air into a certain air pressure and send it to the pneumatic valve 2001; the solenoid valve assembly 200 includes a solenoid valve 2000 and a pneumatic valve 2001, the pneumatic valve 2001 and the solenoid valve 2000 are adjacently arranged, in some embodiments, the solenoid valve 2000 and the pneumatic valve 2001 are arranged along the air transportation direction ( Figure 3 The filter assembly 100 and the solenoid valve assembly 200 are arranged in an upper and lower relationship (in the X direction), a solenoid valve 2000 and a pneumatic valve 2001 constitute a solenoid valve assembly 200, and there are no less than two solenoid valve assemblies 200; the solenoid valve 2000 is used to control the switch of the pneumatic valve 2001; the manifold assembly 300 includes a manifold 3000, the solenoid valve 2000 is installed in the manifold 3000, and the manifold 3000 is used to connect the filter assembly 100 and the solenoid valve assembly 200; the connector 400 includes a transport pipeline 4000, and the transport pipeline 4000 includes a gas transport pipeline 4000a, and the gas transport pipeline 4000a is used to transport the gas of the filter assembly 100 to the solenoid valve assembly 200. In some embodiments, the gas in the filter assembly 100 can be but is not limited to compressed air; the filter assembly 100 and the solenoid valve assembly 200 are independently arranged, and each solenoid valve assembly 200 is independently arranged and connected in parallel by the manifold 3000 assembly 300.

[0039] like Figure 2As shown in some embodiments, the electromagnetic valve 2000 is connected with the busbar 3000, the pneumatic valve 2001 is connected in the opposite direction of the gas outlet direction of the electromagnetic valve 2000, the electromagnetic valve 2000 is arranged between the pneumatic valve 2001 and the busbar 3000, the gas outlet direction of the pneumatic valve 2001 is provided with a gas outlet pipeline 4001, the busbar 3000 includes an air inlet and a plurality of air outlets, a plurality of electromagnetic valve assemblies 200 are installed corresponding to the plurality of air outlets, compressed gas enters through the air inlet, passes through the electromagnetic valve 2000 and then the pneumatic valve 2001 through the plurality of air outlets, and enters the gas outlet pipeline 4001. The electromagnetic valve 2000 can directly control whether the gas enters the electromagnetic valve assembly 200.

[0040] In some embodiments, as Figure 3 shown, Figure 3 is Figure 2 Another embodiment is a local structure schematic diagram of the control device, the compressed gas in the filter assembly 100 enters the busbar 3000 through the gas transportation pipeline 4000a, the gas transportation pipeline 4000a includes branch gas transportation pipelines 4000b, the branch gas transportation pipelines 4000b are connected with the pneumatic valve 2001, and the number of the branch gas transportation pipelines 4000b corresponds to the electromagnetic valve assembly 200; the gas transportation pipeline 4000a in the busbar transports the compressed gas to the pneumatic valve 2001 through the branch gas transportation pipeline 4000b, the electromagnetic valve 2000 controls the opening and closing of the pneumatic valve 2001, thereby controlling the flow of the gas from the branch gas transportation pipeline 4000b to the gas outlet pipeline 4001. In this embodiment, the compressed gas directly passes through the pneumatic valve 2001 through the branch gas transportation pipeline 4000b, and the electromagnetic valve 2000 only controls the opening and closing of the pneumatic valve 2001.

[0041] As Figure 4 shown, Figure 4 is Figure 1The structure diagram of the filter assembly of the embodiment, the filter assembly 100 further comprises a bracket 1001 and a pressure test device 1002, in some embodiments, the filter 1000 comprises a first filter 1000a and a second filter 1000b, the first filter 1000a is a normally open filter 1000, and the second filter 1000b is a backup filter 1000, the first filter 1000a and the second filter 1000b are arranged in parallel, the bracket 1001 is used for supporting the filter 1000, and the arrangement of the double filters can realize shutdown when one filter 1000 fails or the filter 1000 needs to be replaced. The pressure test device 1002 is located in the middle part of the bracket 1001 in parallel with the first filter 1000a and the second filter 1000b, the pressure test device 1002 comprises a display device and a test device, and the pressure test device 1002 is used for controlling the gas pressure of the gas entering the gas conveying pipeline 4000a. According to the working conditions of the electromagnetic valve assembly 200 on site, the gas pressure can be adjusted to the required working technical requirements.

[0042] As Figure 5 shown, Figure 5 is Figure 1 The structure diagram of the centralized control device with a shut-off piece of the embodiment, the busbar assembly 300 further comprises a shut-off piece 3001, the shut-off piece 3001 is arranged on the busbar 3000, the number of the shut-off piece 3001 corresponds to the number of the electromagnetic valve assembly 200, and the cable passes through the electromagnetic valve 2000 after passing through the shut-off piece 3001. When the shut-off piece 3001 is used when the electromagnetic valve 2000 fails, the current in the cable is turned off, so that the electromagnetic valve 2000 is overhauled and replaced, and in some embodiments, the shut-off piece 3001 can be but is not limited to a shut-off knob. The electromagnetic valve 2000 is provided with an exhaust control knob 2000a, and the exhaust control knob 2000a is used for controlling the speed of the action of the pneumatic valve 2001. In some embodiments, the exhaust control knob 2000a can be but is not limited to an exhaust control knob 2000a silencer, which can control the speed of exhaust while reducing the noise of exhaust.

[0043] Further, the electromagnetic valve assembly 200 on the busbar assembly 300 can reserve about 20% as a standby control point according to the relatively concentrated working conditions of the on-site pneumatic control point. When a certain electromagnetic valve assembly 200 fails, a standby electromagnetic valve assembly 200 can be used for quick switching, which reduces the loss and is also conducive to the upgrading and modification of subsequent system equipment to add control points.

[0044] The centralized control device provided by the embodiment of the application integrally designs the electromagnetic valve and the pneumatic valve, and parallelly connects each electromagnetic valve assembly, and separately arranges the filter assembly and the electromagnetic valve assembly, so that the use amount of the filter can be reduced, the installation and matching cost of the pneumatic valve can be reduced, and the single electromagnetic valve assembly can be isolated and replaced without affecting other electromagnetic valve assemblies.

[0045] As shown in Figure 6 , Figure 6 is a structural schematic diagram of an embodiment of the electromagnetic valve box of the application, and the electromagnetic valve box 1 comprises the centralized control device 10, the wiring assembly 50, the joint 60 and the box shell 70. The wiring assembly 50 comprises a wiring terminal block 500 and a circuit breaker 501, the wiring terminal block 500 is used for collecting cables, and the circuit breaker 501 is used for switching the current in the cable. In some embodiments, the circuit breaker 501 is connected with the wiring terminal block 500, and the circuit breaker 501 controls the switching of the current by controlling the wiring terminal block 500. The joint 60 comprises a wiring joint 600 and an air outlet joint 601, the wiring joint 600 is used for the entry and exit of the cable, and the air outlet joint 601 is used for the output of the air outlet pipeline 4001, and the air outlet joint 601 is matched with the air outlet pipeline 4001. In some embodiments, the air outlet joint 601 is connected with the electromagnetic valve assembly 200 by using a precision PU hose, and the installation of the air outlet joint 601 and the maintenance and replacement are relatively easy.

[0046] As shown in Figure 7 , Figure 7 is Figure 6 a structural schematic diagram of the box shell, and the box shell 70 is arranged outside the wiring assembly 50, the joint 60 and the centralized control device 10 except the filter assembly 100, and is used for supporting and protecting the wiring assembly 50, the joint 60 and the centralized control device 10 except the filter assembly 100. In some embodiments, the size of the box shell 70 is L650*W650*H300*T1.5mm, the box shell 70 is a whole plate that is bent and welded, and is a hidden special stainless steel hinge, which can support left and right door interchanging according to the operation needs of the site, and the opening side of the box shell 70 is designed as a rainproof groove. The sealing strip of the box door 701 of the box shell 70 is directly foamed and formed on the inner wall of the door plate by using polyurethane once, is jointless, and can reach the protection level of IP65. An A4 data bag is added behind the box door 701, the door lock of the box shell 70 adopts a square lock, and a rainproof canopy can be used for outdoor maintenance operation in rainy days.

[0047] As shown in Figure 6As shown, the wiring assembly 50 further comprises a grounding terminal assembly 502 for collecting cables and connecting the cable to the ground wire front end of the ground grid. In some embodiments, the cable enters from the wiring connector 600, passes through the wiring terminal assembly 500 and the circuit breaker 501, enters the shut-off member 3001, then enters the electromagnetic valve 2000, the cable conveys an electrical signal to the electromagnetic valve 2000, and finally passes through the grounding terminal assembly 502 to lead out of the electromagnetic valve box 1.

[0048] As shown, the inner surface of the box shell 70 is provided with a lighting lamp 702, and a contact switch is arranged in the lighting lamp 702. When the box door 701 of the box shell 70 is opened or closed, the contact switch will be illuminated or turned off according to the opening or closing of the box door 701. Figure 6

[0049] The electromagnetic valve box provided by the embodiments of the present application can be centrally managed, the inspection time is shortened, the maintenance is facilitated, the work efficiency is improved, the labor cost is reduced, the electromagnetic valve for controlling the action of the pneumatic valve in the field can be separated from the field environment, the service life of the electromagnetic valve is prolonged, the failure of the electromagnetic valve is reduced, and the maintenance cost is reduced.

[0050] The above only describes some embodiments of the present application, and does not limit the protection scope of the present application. Any equivalent device or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.​

Claims

1. A centralized control device, characterized by, The application relates to a centralized control device. The centralized control device comprises a filter assembly, an electromagnetic valve assembly and a busbar assembly. The filter assembly comprises a filter for compressing gas entering the centralized control device. The electromagnetic valve assembly comprises electromagnetic valves and pneumatic valves, the pneumatic valves and the electromagnetic valves are arranged adjacently, the number of the electromagnetic valve assembly is not less than two, the electromagnetic valves are used for controlling the opening and closing of the pneumatic valves, and the pneumatic valves are provided with gas outlet pipelines in the gas outlet direction. The busbar assembly comprises a busbar, the electromagnetic valves are mounted in the busbar, and the busbar is used for connecting the filter assembly and the electromagnetic valve assembly. The filter assembly and the electromagnetic valve assembly are independently arranged, and the electromagnetic valve assemblies are independently arranged and connected in parallel by the busbar assembly.

2. The centralized control device according to claim 1, characterized in that, The electromagnetic valves are connected with the busbar, the pneumatic valves are connected with the electromagnetic valves in the opposite direction of the gas outlet direction of the pneumatic valves, and the electromagnetic valves are arranged between the pneumatic valves.

3. The centralized control device according to claim 2, characterized in that, The compressed gas in the filter assembly enters the busbar through the gas conveying pipeline, the gas conveying pipeline comprises branch gas conveying pipelines, the branch gas conveying pipelines are connected with the pneumatic valves, and the number of the branch gas conveying pipelines corresponds to the number of the electromagnetic valve assembly. The gas conveying pipeline in the busbar conveys the compressed gas into the pneumatic valves through the branch gas conveying pipelines, the electromagnetic valves control the opening and closing of the pneumatic valves, thereby controlling the flow of the gas from the branch gas conveying pipelines to the gas outlet pipelines.

4. The centralized control device according to claim 1, wherein The filter assembly further comprises a support and a pressure testing device, the filter comprises a first filter and a second filter, the first filter is a normally open filter, the second filter is a standby filter, the first filter and the second filter are arranged in parallel, the support is used for supporting the filter, and the pressure testing device is used for controlling the gas pressure of the gas entering the gas conveying pipeline.

5. The centralized control device according to claim 1, wherein The busbar assembly further comprises a shutdown component, the number of the shutdown components corresponds to the number of the electromagnetic valve assembly, cables pass through the shutdown components and then pass through the electromagnetic valves, the shutdown components are used for shutting off the current in the cables when the electromagnetic valves malfunction, thereby facilitating the maintenance and replacement of the electromagnetic valves.

6. The centralized control device according to claim 1, wherein The electromagnetic valves are provided with exhaust control knobs, and the exhaust control knobs are used for controlling the speed of the pneumatic valves.

7. An electromagnetic valve box characterized by comprising: The application further relates to a centralized control device. The centralized control device comprises a filter assembly, an electromagnetic valve assembly and a busbar assembly. The filter assembly comprises a filter for compressing gas entering the centralized control device. The electromagnetic valve assembly comprises electromagnetic valves and pneumatic valves, the pneumatic valves and the electromagnetic valves are arranged adjacently, the number of the electromagnetic valve assembly is not less than two, the electromagnetic valves are used for controlling the opening and closing of the pneumatic valves, and the pneumatic valves are provided with gas outlet pipelines in the gas outlet direction. The busbar assembly comprises a busbar, the electromagnetic valves are mounted in the busbar, and the busbar is used for connecting the filter assembly and the electromagnetic valve assembly. The filter assembly further comprises a support and a pressure testing device, the filter comprises a first filter and a second filter, the first filter is a normally open filter, the second filter is a standby filter, the first filter and the second filter are arranged in parallel, the support is used for supporting the filter, and the pressure testing device is used for controlling the gas pressure of the gas entering the gas conveying pipeline. The busbar assembly further comprises a shutdown component, the number of the shutdown components corresponds to the number of the electromagnetic valve assembly, cables pass through the shutdown components and then pass through the electromagnetic valves, the shutdown components are used for shutting off the current in the cables when the electromagnetic valves malfunction, thereby facilitating the maintenance and replacement of the electromagnetic valves. The electromagnetic valves are provided with exhaust control knobs, and the exhaust control knobs are used for controlling the speed of the pneumatic valves. A box shell is arranged outside the wiring assembly, the joint, the rest of the centralized control device except the filter assembly, for supporting and protecting the wiring assembly, the joint, the rest of the centralized control device except the filter assembly. The openings of the wiring joint and the air outlet joint are located on the box shell.

8. The solenoid valve box according to claim 7, wherein The wiring assembly further comprises a grounding terminal group, which is used to gather the cables and connect the front end of the ground wire to the ground net.

9. The solenoid valve cartridge of claim 8 wherein, The cables enter from the wiring joint, pass through the wiring terminal group and the circuit breaker, enter the shut-off member, then enter the electromagnetic valve, convey electrical signals to the electromagnetic valve, and finally pass through the grounding terminal group and exit the electromagnetic valve box.

10. The solenoid valve cartridge of claim 7 wherein, The inner surface of the top end of the box shell is provided with a lighting lamp, and a touch switch is arranged in the lighting lamp. When the box door of the box shell is opened or closed, the touch switch will be illuminated or turned off according to the opening or closing of the box door.

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