A pneumatic electromagnetic control valve assembly and a breathing machine

Abstract

The present application belongs to the technical field of medical equipment, and particularly relates to a gas circuit electromagnetic control valve assembly and a breathing machine. The gas circuit electromagnetic control valve assembly comprises an input assembly, an output assembly, an electromagnetic switching module and an electromagnetic switch control module. The input assembly comprises multiple input gas circuits, and the output assembly comprises multiple output gas circuits. The multiple input gas circuits are connected to the electromagnetic switching module. The electromagnetic switching module comprises a module body, multiple first gas inlets and multiple first gas outlets. Each first gas inlet is connected to a corresponding input gas circuit. The electromagnetic switching module is used for selectively connecting at least one input gas circuit to the electromagnetic switch control module. The electromagnetic switch control module is used for controlling the connection or disconnection between the first gas outlet and the output gas circuit, so as to realize the connection or disconnection between the input gas circuit and the output gas circuit. In the present application, the electromagnetic switching module has a switching function, and can switch any different input gas circuit. The electromagnetic switch control module controls the connection and disconnection of the gas circuit, and can simplify the gas circuit system.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical equipment, in particular to an air path electromagnetic control valve assembly and a breathing machine. BACKGROUND

[0002] In the breathing and anesthesia equipment, there are usually multiple air paths. At present, the control of the air path is single-valve control, which cannot be reversed. This makes it necessary to set more control valves in the breathing and anesthesia equipment, which not only is complicated to operate, but also increases the cost and occupies the equipment space. SUMMARY

[0003] The technical problem to be solved by the present application is to provide an air path electromagnetic control valve assembly and a breathing machine to solve the problem of setting more control valves in the existing breathing equipment and the complicated operation.

[0004] To solve the above technical problems, on the one hand, the present application provides an air path electromagnetic control valve assembly, which comprises an input assembly, an output assembly, an electromagnetic reversing module and an electromagnetic switch control module. The input assembly comprises multiple input air paths, the output assembly comprises multiple output air paths, the multiple input air paths are connected to the electromagnetic reversing module, the electromagnetic reversing module comprises a module body, multiple first air inlets and multiple first air outlets, the first air inlets and the first air outlets are arranged on the module body, each input air path is connected to a corresponding first air inlet, and the electromagnetic switch control module is connected between the multiple first air outlets and the output assembly.

[0005] The electromagnetic reversing module is used for selectively connecting at least one input air path to the electromagnetic switch control module, and the electromagnetic switch control module is used for controlling the communication or disconnection between the first air outlet and the corresponding output air path.

[0006] Optionally, the number of the first air outlets is less than the number of the first air inlets, and the number of the output air paths is less than the number of the input air paths.

[0007] Optionally, the air path electromagnetic control valve assembly further comprises a valve seat module, multiple air path input ports and multiple air path output ports, the electromagnetic reversing module and the electromagnetic switch control module are installed on the valve seat module, the first air inlets and the first air outlets are arranged on one side of the module body close to the valve seat module, and the input air paths and the output air paths are arranged in the interior of the valve seat module.

[0008] The gas path input ports and the gas path output ports are mounted on the valve seat module, each of the input gas paths is connected between the corresponding gas path input port and the first gas inlet, and each of the gas path output ports is arranged at one end of the corresponding output gas path away from the electromagnetic switch control module.

[0009] Optionally, the electromagnetic switch control module comprises a plurality of switch valves, the switch valves are mounted on the valve seat module, and each of the switch valves is connected between the first gas outlet and the output gas path.

[0010] Optionally, the switch valve comprises a valve body, a second gas inlet and a second gas outlet, the second gas inlet and the second gas outlet are arranged on one side of the valve body close to the valve seat module, the second gas inlet is connected to the first gas outlet, the second gas outlet is connected to the output gas path, and the output gas path is connected between the second gas outlet and the gas path output port.

[0011] Optionally, the gas path electromagnetic control valve assembly further comprises a flow regulating module mounted on the valve seat module, and the flow regulating module is arranged between the electromagnetic switch control module and the output assembly.

[0012] The flow regulating module comprises a plurality of flow regulating valves, and each of the output gas paths is provided with the flow regulating valve, and the flow regulating valve is used for regulating the flow of the output gas path.

[0013] Optionally, the valve seat module is provided with a mounting hole, the mounting hole is communicated with the output gas path, one end of the flow regulating valve extends into the output gas path, the other end of the flow regulating valve is arranged in the mounting hole, and the part of the flow regulating valve in the mounting hole is screw-connected in the mounting hole.

[0014] Optionally, a plurality of connection channels are arranged in the valve seat module, and the connection channels are connected between the first gas outlet and the second gas inlet.

[0015] Optionally, the electromagnetic reversing module is a two-position three-way electromagnetic valve, a two-position four-way electromagnetic valve or a two-position five-way electromagnetic valve.

[0016] In another aspect, the embodiment of the present application provides a breathing machine, which comprises the gas path electromagnetic control valve assembly as described above.

[0017] The gas path electromagnetic control valve assembly provided by the embodiment of the present application is connected to the electromagnetic reversing module, the functions and gas delivery of the multiple input gas paths can be different, the electromagnetic reversing module has a reversing function, any different input gas path can be selected and switched to be connected to the electromagnetic switch control module through the electromagnetic reversing module, the communication and disconnection of the gas path can be controlled through the electromagnetic switch control module, the single-path single-valve control and the problem of incapability of reversing can be avoided when there are many gas paths, and the gas path system can be simplified. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a connection diagram of the gas path electromagnetic control valve assembly provided by an embodiment of the present application;

[0019] Figure 2 is a three-dimensional diagram of the gas path electromagnetic control valve assembly provided by the embodiment 1 of the present application;

[0020] Figure 3 is a connection diagram of the electromagnetic reversing module provided by the embodiment 1 of the present application;

[0021] Figure 4 is a connection diagram of the switch valve provided by the embodiment 1 of the present application;

[0022] Figure 5 is a connection diagram of the electromagnetic reversing module provided by the embodiment 2 of the present application.

[0023] The reference signs in the specification are as follows:

[0024] 1, input gas path; 11, first input gas path; 12, second input gas path; 13, third input gas path;

[0025] 2, output gas path;

[0026] 3, electromagnetic reversing module; 31, module body; 32, first gas inlet; 321, first first gas inlet; 322, second first gas inlet; 323, third first gas inlet; 33, first gas outlet;

[0027] 4, electromagnetic switch control module; 41, switch valve; 412, valve body; 413, second gas inlet; 414, second gas outlet;

[0028] 5, valve seat module; 51, mounting hole; 52, connection channel; 521, first vertical channel; 522, second vertical channel; 523, horizontal channel;

[0029] 6, gas path input port; 61, first gas path input port; 62, second gas path input port; 63, third gas path input port

[0030] 7. gas path output port;

[0031] 8. flow regulating module; 81. flow regulating valve. DETAILED DESCRIPTION

[0032] In order to make the technical problems solved by the present application, technical solutions and beneficial effects more clearly understood, the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not intended to limit the present application.

[0033] As shown in Figures 1 to 5 An embodiment of the present application provides a gas path electromagnetic control valve assembly, which comprises an input assembly, an output assembly, an electromagnetic reversing module 3 and an electromagnetic switch control module 4. The electromagnetic reversing module 3 and the electromagnetic switch control module 4 are arranged between the input assembly and the output assembly. The input assembly comprises a plurality of input gas paths 1. The output assembly comprises a plurality of output gas paths 2. The plurality of input gas paths 1 are connected to the electromagnetic reversing module 3. The electromagnetic reversing module 3 comprises a module body 31, a plurality of first gas inlets 32 and a plurality of first gas outlets 33. The first gas inlets 32 and the first gas outlets 33 are arranged on the module body 31.

[0034] Each of the first gas inlets 32 is in communication with a corresponding input gas path 1. The number of the first gas inlets 32 is the same as the number of the input gas paths 1. The electromagnetic reversing module 3 is used to selectively connect at least one input gas path 1 to the electromagnetic switch control module 4. The electromagnetic reversing module 3 can switch different input gas paths 1 to the electromagnetic switch control module 4 according to actual needs. The electromagnetic switch control module 4 is connected between the electromagnetic reversing module 3 and the output assembly. The electromagnetic switch control module 4 is used to control the communication or disconnection between the first gas outlets 33 and the corresponding output gas paths 2, so that the input gas paths 1 and the output gas paths 2 can be in communication or disconnected. When the gas path system needs to supply gas, i.e. the output gas path 2 needs to output gas, the electromagnetic switch control module 4 selects to connect the input gas path 1 to the output gas path 2. The gas in the input gas path 1 is sequentially output by the output gas path 2 after passing through the first gas inlets 32, the first gas outlets 33 and the electromagnetic switch control module 4.

[0035] The gas path electromagnetic control valve assembly provided by the embodiment of the present application connects multiple input gas paths 1 to the electromagnetic reversing module 3, the functions and gas delivery of the multiple input gas paths 1 can be different, the electromagnetic reversing module 3 has a reversing function, and any different input gas path 1 can be selected and switched to be connected to the electromagnetic switch control module 4 through the electromagnetic reversing module 3, and the communication and disconnection of the gas path can be controlled through the electromagnetic switch control module 4, the single-path single-valve control problem that cannot be reversed when there are many gas paths can be avoided, and the gas path system can be simplified.

[0036] In an embodiment, the electromagnetic reversing module 3 is internally provided with a valve core cavity, the first gas inlet 32 and the first gas outlet 33 are connected to the valve core cavity, and the gas in the input gas path 1 enters the valve core cavity through the first gas inlet 32 and flows out from the selected first gas outlet 33.

[0037] In an embodiment, as shown in Figure 1 , multiple input gas paths 1 are arranged in the order of 1, 2, 3,..., n, the electromagnetic reversing module 3 can select at least one input gas path 1 to be connected to the electromagnetic switch control module 4, and at most n-1 input gas paths 1 can be selected to be connected to the electromagnetic switch control module 4, so that the number of input gas paths 1 is the same as the number of first gas inlets 32 along the flow direction of the gas flow, the number of first gas outlets 33 is less than the number of first gas inlets 32, the number of first gas outlets 33 is the same as the number of output gas paths 2, and the number of output gas paths 2 is less than the number of input gas paths 1.

[0038] In an embodiment, as shown in Figure 1 , Figure 2 , the gas path electromagnetic control valve assembly further comprises a valve seat module 5, multiple gas path input ports 6 and multiple gas path output ports 7, the electromagnetic reversing module 3 and the electromagnetic switch control module 4 are installed on the valve seat module 5, the module body 31 is installed on the valve seat module 5, the first gas inlet 32 and the first gas outlet 33 are arranged on the side of the module body 31 close to the valve seat module 5, and the input gas path 1 and the output gas path 2 are arranged in the interior of the valve seat module 5.

[0039] A plurality of the gas path input ports 6 and a plurality of the gas path output ports 7 are installed on the outer surface of the valve seat module 5, the gas path input ports 6 are arranged at the end of the input gas path 1 away from the electromagnetic switching module 3, each input gas path 1 is connected between the corresponding gas path input port 6 and the first gas inlet 32, each gas path output port 7 is arranged at the end of the corresponding output gas path 2 away from the electromagnetic switch control module 4, and the output gas path 2 supplies gas to the gas path system through the gas path output port 7.

[0040] The positions of the gas path input ports 6 and the gas path output ports 7 on the valve seat module 5 can be arranged as needed, and can be arranged on the same side or different sides of the valve seat module 5.

[0041] In an embodiment, as shown in Figure 1 , Figure 2 The electromagnetic switch control module 4 includes a plurality of switch valves 41, which are installed on the valve seat module 5, the number of switch valves 41 is determined according to the number of gas paths selected by the electromagnetic switching module 3 to access the electromagnetic switch control module 4, and each switch valve 41 is connected between the first gas outlet 33 and the output gas path 2, and the switch valve 41 is used to control the communication or disconnection between the first gas outlet 33 and the output gas path 2.

[0042] In an embodiment, as shown in Figure 4 The switch valve 41 includes a valve body 412, a second gas inlet 413, and a second gas outlet 414, the valve body 412 is installed on the valve seat module 5, the second gas inlet 413 and the second gas outlet 414 are arranged on the side of the valve body 412 close to the valve seat module 5, the second gas inlet 413 is connected to the first gas outlet 33, the second gas outlet 414 is connected to the output gas path 2, and the output gas path 2 is connected between the second gas outlet 414 and the gas path output port 7.

[0043] In an embodiment, as shown in Figure 1 , Figure 4 The gas path electromagnetic control valve assembly further includes a flow regulating module 8 installed on the valve seat module 5, and the flow regulating module 8 is arranged between the electromagnetic switch control module 4 and the output assembly. The flow regulating module 8 includes a plurality of flow regulating valves 81, the number of flow regulating valves 81 is determined according to the number of output gas paths 2, each output gas path 2 is provided with a flow regulating valve 81, the flow regulating valve 81 is used to regulate the flow of the output gas path 2, and the flow regulating valve 81 outputs after regulating the flow of the gas.

[0044] In an embodiment, as shown in Figure 2 The valve seat module 5 is provided with a mounting hole 51, which is communicated with the output gas path 2. One end of the flow regulating valve 81 extends into the output gas path 2 from the mounting hole 51, and the other end of the flow regulating valve 81 is arranged in the mounting hole 51. The part of the flow regulating valve 81 arranged in the mounting hole 51 is provided with external threads, and the mounting hole 51 is provided with internal threads. The flow regulating valve 81 is screwed into the mounting hole 51. The size of the gas passage opening of the output gas path 2 is controlled by adjusting the depth of the flow regulating valve 81 rotating into the mounting hole 51, so as to regulate the flow of the output gas of the output gas path 2.

[0045] In an embodiment, as shown in Figure 1 The valve seat module 5 is internally provided with a plurality of connection channels 52, which are connected between the first gas outlet 33 and the second gas inlet 413. The connection channels 52 are used to realize the flow of gas between the electromagnetic reversing module 3 and the electromagnetic switch control module 4. The gas in the first gas outlet 33 of the electromagnetic reversing module 3 enters the switch valve 41 through the connection channel 52. The number of the connection channels 52 is determined according to the number of the gas paths selected by the electromagnetic reversing module 3 to input into the electromagnetic switch control module 4. Each of the first gas outlets 33 of the electromagnetic reversing module 3 is connected with the connection channel 52.

[0046] Further, as shown in Figure 3 , Figure 4 The connection channel 52 includes a first vertical channel 521, a second vertical channel 522, and a horizontal channel 523. The horizontal channel 523 is connected between the first vertical channel 521 and the second vertical channel 522. The first vertical channel 521 is connected with the first gas outlet 33, and the second vertical channel 522 is connected with the second gas inlet 413.

[0047] In an embodiment, the electromagnetic reversing module 3 is a two-position three-way electromagnetic valve, a two-position four-way electromagnetic valve, or a two-position five-way electromagnetic valve.

[0048] The following is described by way of embodiments.

[0049] Embodiment 1

[0050] As shown in Figure 2 , Figure 3As shown, the electromagnetic reversing module 3 is a two-position three-way electromagnetic valve, the electromagnetic reversing module 3 includes a module body 31, a first first air inlet 321, a second first air inlet 322 and a first air outlet 33, the input assembly includes a first input air path 11 and a second input air path 12, the valve seat module 5 is provided with a first air path input port 61, a second air path input port 62 and an air path output port 7, the first input air path 11 is connected between the first air path input port 61 and the first first air inlet 321, and the second input air path 12 is connected between the second air path input port 62 and the second first air inlet 322.

[0051] The inside of the valve seat module 5 is provided with a connecting channel 52, the electromagnetic switch control module 4 includes a switch valve 41, the connecting channel 52 is connected between the first air outlet 33 and the second air inlet 413, the output assembly includes an output air path 2, and the output air path 2 is connected between the second air outlet 414 and the air path output port 7.

[0052] Embodiment 2

[0053] As shown, Figure 4 The electromagnetic reversing module 3 is a two-position four-way electromagnetic valve, the electromagnetic reversing module 3 includes a module body 31, a first first air inlet 321, a second first air inlet 322, a third first air inlet 323 and a first air outlet 33, the input assembly includes a first input air path 11, a second input air path 12 and a third input air path 13, the valve seat module 5 is provided with a first air path input port 61, a second air path input port 62, a third air path input port 63 and an air path output port 7, the first input air path 11 is connected between the first air path input port 61 and the first first air inlet 321, the second input air path 12 is connected between the second air path input port 62 and the second first air inlet 322, and the third input air path 13 is connected between the third air path input port 63 and the third first air inlet 323.

[0054] The inside of the valve seat module 5 is provided with a connecting channel 52, the electromagnetic switch control module 4 includes a switch valve 41, the connecting channel 52 is connected between the first air outlet 33 and the second air inlet 413, the output assembly includes an output air path 2, and the output air path 2 is connected between the second air outlet 414 and the air path output port 7.

[0055] Embodiment 3

[0056] As shown, Figure 4As shown, the electromagnetic reversing module 3 is a two-position four-way electromagnetic valve, which comprises a module body 31, a first first inlet 321, a second first inlet 322, a third first inlet 323, a first first outlet and a second first outlet, the input assembly comprises a first input gas path 11, a second input gas path 12 and a third input gas path 13, the valve seat module 5 is provided with a first gas path input port 61, a second gas path input port 62, a third gas path input port 63, a first gas path output port and a second gas path output port, the first input gas path 11 is connected between the first gas path input port 61 and the first first inlet 321, the second input gas path 12 is connected between the second gas path input port 62 and the second first inlet 322, and the third input gas path 13 is connected between the third gas path input port 63 and the third first inlet 323.

[0057] The inside of the valve seat module 5 is provided with a first connecting channel and a second connecting channel, the electromagnetic switch control module 4 comprises a first switch valve and a second switch valve, the first connecting channel is connected between the first first outlet and a second inlet 413 of the first switch valve, and the second connecting channel is connected between the second first outlet and a second inlet 413 of the second switch valve.

[0058] The output assembly comprises a first output gas path and a second output gas path, the first output gas path is connected between a second outlet 414 of the first switch valve and the first gas path output port, and the second output gas path is connected between a second outlet 414 of the second switch valve and the second gas path output port.

[0059] The flow regulating module 8 comprises a first flow regulating valve and a second flow regulating valve, the first flow regulating valve is arranged on the first output gas path, and the second flow regulating valve is arranged on the second output gas path.

[0060] In another aspect, an embodiment of the present application provides a breathing machine, which comprises the gas path electromagnetic control valve assembly as described above. The multi-path gas can be controlled through the electromagnetic reversing module 3 and the electromagnetic switch control module 4, and the gas path is simplified.

[0061] The gas path electromagnetic control valve assembly is also applicable to the gas path system in the anesthesia equipment.

[0062] The above only describes the preferred embodiments of the present application and should not be used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An air circuit solenoid valve assembly, characterized by, The gas path electromagnetic control valve assembly comprises an input component, an output component, an electromagnetic reversing module and an electromagnetic switch control module; the input component comprises a plurality of input gas paths; the output component comprises a plurality of output gas paths; the plurality of input gas paths are connected to the electromagnetic reversing module; the electromagnetic reversing module comprises a module body, a plurality of first gas inlets and a plurality of first gas outlets; the first gas inlets and the first gas outlets are arranged on the module body; each input gas path is connected to a corresponding first gas inlet; the electromagnetic switch control module is connected between the plurality of first gas outlets and the output component; The electromagnetic reversing module is used for selectively connecting at least one input gas path to the electromagnetic switch control module; the electromagnetic switch control module is used for controlling the communication or disconnection between the first gas outlet and the corresponding output gas path; The electromagnetic switch control module comprises a plurality of switch valves; each switch valve is connected between the first gas outlet and the output gas path.

2. The air path solenoid valve assembly of claim 1, wherein, The number of first gas outlets is less than the number of first gas inlets; the number of output gas paths is less than the number of input gas paths.

3. The air path solenoid valve assembly of claim 1, wherein, The gas path electromagnetic control valve assembly further comprises a valve seat module, a plurality of gas path input ports and a plurality of gas path output ports; the electromagnetic reversing module and the electromagnetic switch control module are mounted on the valve seat module; the first gas inlets and the first gas outlets are arranged on one side of the module body close to the valve seat module; the input gas paths and the output gas paths are arranged inside the valve seat module; The plurality of gas path input ports and the plurality of gas path output ports are mounted on the valve seat module; each input gas path is connected between the corresponding gas path input port and the first gas inlet; each gas path output port is arranged at one end of the corresponding output gas path away from the electromagnetic switch control module.

4. The air path solenoid valve assembly of claim 3, wherein, The switch valve is mounted on the valve seat module.

5. The air path solenoid valve assembly of claim 4, wherein, The switch valve comprises a valve body, a second gas inlet and a second gas outlet; the second gas inlet and the second gas outlet are arranged on one side of the valve body close to the valve seat module; the second gas inlet is connected to the first gas outlet; the second gas outlet is connected to the output gas path; the output gas path is connected between the second gas outlet and the gas path output port.

6. The air path solenoid valve assembly of claim 3, wherein, The gas path electromagnetic control valve assembly further comprises a flow regulating module mounted on the valve seat module; the flow regulating module is arranged between the electromagnetic switch control module and the output component; The flow regulating module comprises a plurality of flow regulating valves; each output gas path is provided with a flow regulating valve; the flow regulating valve is used for regulating the flow of the output gas path.

7. The air path solenoid valve assembly of claim 6, wherein, The valve seat module is provided with a mounting hole; the mounting hole communicates with the output gas path; one end of the flow regulating valve extends into the output gas path; the other end of the flow regulating valve is arranged in the mounting hole; the part of the flow regulating valve located in the mounting hole is threadedly connected in the mounting hole.

8. The air path solenoid valve assembly of claim 5, wherein, The valve seat module is provided with a plurality of connection channels; the connection channels are connected between the first gas outlets and the second gas inlets.

9. The air path solenoid valve assembly of claim 1, wherein, The electromagnetic reversing module is a two-position three-way electromagnetic valve, a two-position four-way electromagnetic valve, or a two-position five-way electromagnetic valve.

10. A breathing machine characterized by, The gas circuit electromagnetic control valve assembly of any one of claims 1-9.

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