TWI727681B - Thin electronically controlled proportional valve with quick-discharge valve - Google Patents

Abstract

A thin electronically controlled proportional valve with a quick-discharge valve, comprising: a valve seat connected to an intake solenoid valve, an exhaust solenoid valve, and a pressure sensor. The valve seat has an input end for primary pressure input and two The output end of the secondary side pressure output and the atmospheric end for the secondary side pressure to be discharged, the input end to the intake solenoid valve is provided with a first flow path, and the intake solenoid valve is connected to the output end with a second flow path, And the second flow path is also connected to the exhaust solenoid valve, the exhaust solenoid valve is also provided with a third flow path to the atmospheric end, and a quick exhaust valve is provided in the second flow path and communicates with the third flow path, When the quick exhaust valve is normally opened downwards, the secondary side pressure can be fine-tuned through the exhaust solenoid valve and the third flow path. When the quick exhaust valve is closed upwards, the output port is directly connected to the third flow path. The atmospheric side discharges a large amount of secondary pressure, so that the secondary pressure can be switched between general and large discharge according to demand.

Description

Thin electronically controlled proportional valve with quick-discharge valve

The invention belongs to the field of electronically controlled proportional valves, and particularly relates to a thin electronically controlled proportional valve with a quick-discharge valve that can be applied to positive and negative pressures.

Conventional electronically controlled proportional valves usually have only a few external connections. These connections are usually used to provide gas for input, output, and discharge to the atmosphere. If you need to further monitor the detailed information of the aforementioned actions, additional sensors must be configured. Monitor with LED display;

Therefore, in addition to the additional cost of configuring the components and the space used for installing the components, it is even necessary to re-adjust the original position of the electronically controlled proportional valve. This will also make the installation and setup more complicated;

Even by adding additional components, the flow path design inside the structure only supports a certain flow rate. Therefore, when adjusting the flow rate of the external gas input, the flow rate will still be limited by the flow rate of the aforementioned channel, which limits the range of flow adjustment. Many; if it is necessary to switch between positive pressure and negative pressure at the same time, the related components and configurations are more complicated and occupy more space.

In view of the above-mentioned various situations and problems, the inventor has accumulated many years of development experience in related industries, and after intensive research, after integrating the deficiencies of the above-mentioned conventional structures, he created a thin type with quick-discharge valve that is more in line with the needs of modern users. Electronically controlled proportional valve;

The present invention is a thin electronically controlled proportional valve with a quick-discharge valve. Its main technical purpose is to add a quick-discharge valve in the valve seat and connect the second flow path and the third flow path of the quick-discharge valve through communication. , The secondary side pressure is monitored by the pressure sensor, so that the secondary side pressure can be discharged through one of the aforementioned flow paths in general and large amounts according to the flow state, so as to flow to the atmospheric end for discharge, and can cooperate with The user of the pneumatic system needs to adjust the flow rate at which the secondary side pressure is discharged.

The second technical purpose of the present invention is to have a thin electronically controlled proportional valve with a quick-discharge valve. The second technical purpose of the present invention is that the pressure sensor is electrically connected to an LED display, and the LED display is arranged at an appropriate position on the surface of the pressure sensor. To provide information on the display voltage and related pressure status.

The third technical purpose of the present invention is to have a thin electronically controlled proportional valve with a quick-discharge valve, and its third technical purpose is to make the quick-discharge valve suitable for use in negative pressure vacuum adsorption.

Through the above-mentioned purpose, the present invention monitors by adding an LED display with a quick exhaust valve and a pressure sensor, so that the flow of the secondary side pressure can be switched to different flow paths to circulate, so that it can meet the needs of ordinary and large-scale emissions, and can Through the fixation of the quick-discharge valve state, it can be applied under positive pressure and negative pressure.

Generally according to the present invention, the best feasible embodiment is described in detail in conjunction with Figures 1 to 6 of the drawings to increase the understanding of the present invention;

The present invention is a thin electronically controlled proportional valve with a quick-discharge valve, which is mainly driven by a positive pressure supply. Its structure includes: a valve seat (10), on which an intake solenoid valve (20), a The exhaust solenoid valve (30) and a pressure sensor (40). The upper left side of the valve seat (10) is provided with an input end (11) for the input of a primary pressure (P1), and the right side is provided with an input port (11) for the input of a primary pressure (P1). An output port (12) for the output of the primary pressure (P2), and an atmospheric port (13) for the secondary pressure (P2) to be discharged at the lower left side, and the aforementioned pressure sensor (40) With the function of monitoring the secondary side pressure, there is also an LED display (41), which is arranged at an appropriate position on the surface of the pressure sensor (40), and can be used to provide information on the display voltage and related pressure status.

Wherein, a first flow path (111) is provided from the input end (11) to the intake solenoid valve (20), and a second flow path (111) is continuously provided from the intake solenoid valve (20) to the output end (12). 121), and the second flow path (121) is also connected to the exhaust solenoid valve (30) at the same time, and a third flow path (131) is provided from the exhaust solenoid valve (30) to the atmospheric end (13). );

A quick exhaust valve (50) is arranged in the second flow path (121), and the quick exhaust valve (50) is connected to the third flow path (131), and can mainly pass through the quick exhaust valve (50) The displacement achieves the purpose of opening and closing. When the quick discharge valve (50) opens normally downwards, the secondary side pressure (P2) is fine-tuned through the exhaust solenoid valve (30) and the third flow path (131), When the quick discharge valve (50) is closed upwards, the output end (12) is directly connected to the third flow path (131) to the atmospheric end (13) to discharge the secondary side pressure (P2) in large quantities;

As mentioned above, when the quick discharge valve (50) is displaced, the pressure reduction rate through the second flow path (121) and the third flow path (131) will be detected by the pressure sensor (40). The control loop can be directly connected electrically and displayed on the LED display (41), so that the thin electronically controlled proportional valve with the quick-discharge valve of the present invention is more convenient to use in adjustment and control.

Please refer to Figures 7-9 of the drawings again, which is another embodiment of the present invention, which is mainly carried out in a negative pressure vacuum mode. The structure includes: an intake solenoid valve (10) is connected to the top of a valve seat (10) 20), an exhaust solenoid valve (30), and a pressure sensor (40), the valve seat (10) has an input end (11) for a primary side pressure (P1) to circulate, and a second An output end (12) through which the secondary side pressure (P2) circulates, and an atmospheric end (13) through which an external atmosphere (P3) circulates. The input end (11) to the intake solenoid valve (20) are provided with a first The first flow path (111), from the intake solenoid valve (20) to the output end (12) is provided with a second flow path (121), and the second flow path (121) is also connected to the exhaust solenoid Valve (30), and a third flow path (131) is provided from the exhaust solenoid valve (30) to the atmospheric end (13);

A quick discharge valve (50) is arranged in the second flow path (121), and the quick discharge valve (50) closes the third flow path (131) and communicates with the second flow path (121), when the output The secondary side pressure (P2) at the end (12) passes through the first flow path (111) and the second flow path (121) to perform vacuum suction with the primary side pressure (P1) at the input end (11) The exhaust solenoid valve (30) can cooperate with the third flow path (131) to circulate the external atmosphere (P3) of the atmosphere end (13) to destroy the secondary pressure (P2), thereby achieving The purpose of fine-tuning the strength of vacuum adsorption.

In summary, the thin electronically controlled proportional valve with a quick-discharge valve of the present invention can be added to the structure by adding the quick-discharge valve (50), and the quick-discharge valve (50) is used to receive the second flow path (121) and the The third flow path (131) is driven by displacement, so that the air pressure flow can be finely adjusted or switched to a large amount of circulation for adjustment, and through the LED display (41) on the structure, in addition to being able to intuitively understand the current state of use In addition, it is more convenient to switch and adjust related parameters. It is no longer necessary to add additional display components and learn-related operations like learning institutions, which can more streamline its space utilization rate.

(10): Valve seat (11): Input terminal (111): First flow path (12): Output (121): Second Flow Path (13): Atmospheric end (131): Third Flow Path (20): Intake solenoid valve (30): Exhaust solenoid valve (40): Pressure sensor (41): LED display (50): Quick exhaust valve (P1): Primary pressure (P2): Secondary pressure (P3): Outside atmosphere

[Figure 1] is a schematic diagram of the present invention. [Figure 2] is a schematic diagram of the present invention in a ready state. [Figure 3] is a schematic diagram of the present invention in working state. [Figure 4] is a schematic diagram of the present invention in a fine-tuning state. [Figure 5] is a schematic diagram of the present invention in a large-scale adjustment state. [Figure 6] is a schematic diagram of the control of the present invention. [Figure 7] is a schematic diagram of another embodiment of the present invention in a ready state. [Figure 8] is a schematic diagram of another embodiment of the present invention in working state. [Figure 9] is a schematic diagram of another embodiment of the present invention in a fine-tuning state.

(10): Valve seat

(11): Input terminal

(111): First flow path

(12): Output

(121): Second Flow Path

(13): Atmospheric end

(131): Third Flow Path

(20): Intake solenoid valve

(30): Exhaust solenoid valve

(40): Pressure sensor

(41): LED display

(50): Quick exhaust valve

(P1): Primary pressure

Claims (3)

A thin type electronically controlled proportional valve with a quick exhaust valve, comprising: a valve seat (10) connected with an intake solenoid valve (20), an exhaust solenoid valve (30), and a pressure sensor (40) , The valve seat (10) has an input end (11) for a primary side pressure (P1) input, an output end (12) for a secondary side pressure (P2) output, and an output end (12) for the secondary side An atmospheric end (13) where the pressure (P2) is discharged, the input end (11) to the intake solenoid valve (20) is provided with a first flow path (111), which is connected from the intake solenoid valve (20) to the output The end (12) is provided with a second flow path (121), and the second flow path (121) is also connected to the exhaust solenoid valve (30), and the exhaust solenoid valve (30) is connected to the atmospheric end ( 13) A third flow path (131) is provided: a quick discharge valve (50) is arranged in the second flow path (121), and the quick discharge valve (50) is connected to the third flow path (131) When the quick exhaust valve (50) is normally opened downwards, the fine adjustment of the secondary pressure (P2) is mainly performed through the exhaust solenoid valve (30) and the third flow path (131), and when the quick exhaust valve (50) When closed upward, the output end (12) is directly connected to the third flow path (131) to the atmospheric end (13) to discharge the secondary side pressure (P2) in large quantities. According to claim 1 of the scope of patent application, the thin electronically controlled proportional valve with quick exhaust valve, wherein the pressure sensor (40) further includes: an LED display (41) arranged on the pressure sensor (40) ) Can be used to provide information on the display voltage and related pressure status at an appropriate position on the surface. A thin type electronically controlled proportional valve with a quick exhaust valve, comprising: a valve seat (10) connected with an intake solenoid valve (20), an exhaust solenoid valve (30), and a pressure sensor (40) , The valve seat (10) has an input end (11) for a primary side pressure (P1) to circulate, an output end (12) for a secondary side pressure (P2) to circulate, and an external atmosphere ( P3) An atmospheric end (13) that circulates, the input end (11) to the intake solenoid valve (20) is provided with a first flow path (111), which is connected from the intake solenoid valve (20) to the output end ( 12) A second flow path (121) is provided, and the second flow path (121) is also connected to the exhaust solenoid valve (30), and the exhaust solenoid valve (30) is connected to the atmospheric end (13) A third flow path (131) is provided: a quick discharge valve (50) is arranged in the second flow path (121), and the quick discharge valve (50) closes the third flow path (131) and communicates with the second flow path (121). Two flow paths (121), when the secondary side pressure (P2) of the output end (12) passes through the first flow path (111) and the second flow path (121) to the input end (11) When the primary pressure (P1) is under vacuum suction, the exhaust solenoid valve (30) can be matched with the third flow path (131) to break the flow of the external atmosphere (P3) at the atmospheric end (13) The secondary side pressure (P2) can be used to fine-tune the strength of vacuum adsorption.

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