A gas volume stepless regulator applied to a new hydrogen compressor

Abstract

The utility model relates to a compressor technical field, concretely is a kind of air quantity stepless regulator applied to new hydrogen compressor.The utility model provides a kind of improved air quantity stepless regulator applied to new hydrogen compressor.It include compressor body, inlet valve, exhaust valve and stepless regulation control mechanism etc., the stepless regulation control mechanism is arranged at the top of compressor body, the adjustable outlet valve is also arranged at the top of compressor body.The moving rate of adjusting block is controlled by hydraulic cylinder, the opening and closing time of inlet valve and delay closing function can be realized accurately, make the excess gas before compression backflow to backflow cavity through exhaust valve, ensure that only the required gas volume is compressed, and then the indicated work consumption can be effectively reduced, and energy efficiency is improved;And when the pressure in compression cavity exceeds the set value, gas can be discharged through the exhaust valve of shaft side and the adjustable outlet valve of cover side double channel respectively, avoid that piston and connecting rod bear excessive one-way force, and then it is favorable to prolong the service life of key components.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, specifically a stepless gas volume regulator applied to a new hydrogen compressor. Background Technology

[0002] Existing new hydrogen compressors are typically fixed-load type. During operation, after meeting the required gas volume for the process, excess gas is returned to the inlet using a three-way return and one-way bypass regulation method, resulting in a 20%-30% waste of compression work and low energy efficiency. Traditional gas volume regulation methods (such as bypass return, speed regulation, and variable clearance cavity regulation) generally suffer from poor economy, slow response speed, and low reliability, making it difficult to meet the continuous, precise, and efficient regulation requirements of large reciprocating compressors. Furthermore, after prolonged high-load operation, reciprocating compressors are prone to failure of vulnerable components such as valves, posing a high risk to the safe operation of the unit.

[0003] A utility model patent for a stepless speed regulation device for a reciprocating compressor has been published online. Its authorization announcement is CN219366284U, and the application date is December 3, 2022. The device includes a compressor body, with a positioning seat fixedly installed at the bottom end of the compressor body. An air inlet is opened on the front surface of the top of the compressor body, and an air inlet valve is fixedly installed inside the air inlet. This device adjusts the clearance volume by mechanically adjusting the position of the adjusting screw, which is not quick or convenient, and the adjustment accuracy is somewhat lacking.

[0004] Therefore, in response to the strengthening of national policies on energy conservation and emission reduction, and the demand of enterprises to reduce costs and increase efficiency, an improved stepless gas flow regulator for use in new hydrogen compressors has been developed. Summary of the Invention

[0005] To overcome the shortcomings of existing regulators, such as insufficient precision and slow operation, the technical problem is to provide an improved stepless gas flow regulator for use in new hydrogen compressors.

[0006] The technical solution is as follows: A stepless gas volume regulator applied to a new hydrogen compressor includes a compressor body, a drive mechanism, an inlet valve, and an outlet valve, and also includes a stepless adjustment control mechanism. The stepless adjustment control mechanism is provided on the top of the compressor body. The stepless adjustment control mechanism includes an adjustment cover, a pressure sensor, a hydraulic cylinder, an adjustment block, a controller, and an adjustable outlet valve. The adjustment cover is provided on the top of the compressor body. A pressure sensor is embedded on one side of the compressor body and the adjustment cover. An adjustment block that can be adjusted up and down is provided inside the adjustment cover. A hydraulic cylinder is installed on the top of the compressor body, and the end of the telescopic shaft of the hydraulic cylinder is connected to the adjustment block. A controller is provided on the outside of the compressor body. An adjustable outlet valve is also provided on the top of the compressor body.

[0007] Furthermore, the adjustable vent valve includes a pressure relief sleeve, a plug, a spring, a pressure ring, and an adjusting cap. The pressure relief sleeve is embedded in one side of the adjusting block. The lower end of the pressure relief sleeve is provided with a plug that can be moved to adjust the stroke. The upper end of the plug abuts against the pressure ring through the spring. The upper end of the pressure relief sleeve is screwed on with an adjusting cap that abuts against the pressure ring. The clamping force of the plug can be adjusted by rotating the adjusting cap.

[0008] Furthermore, the stepless adjustment control mechanism also includes a pressure relief valve. A return cavity for gas to return is provided between the outer wall of the adjustment cover and the inner wall of the upper part of the compressor body. Exhaust holes communicating with the return cavity are symmetrically opened on the adjustment cover. A pressure relief valve communicating with the return cavity is connected to the outer side of the upper part of the compressor body.

[0009] Furthermore, the hydraulic cylinder and the pressure sensor are electrically connected to the controller.

[0010] Furthermore, the drive mechanism includes a transmission assembly, a drive motor, a crankshaft, a connecting rod, and a piston. The upper and lower sides of the compressor body are respectively provided with interconnected compression chambers and movable chambers. The lower part of the compressor body is connected to the crankshaft through a bearing, and the crankshaft is located in the movable chamber. A connecting rod is rotatably connected to the crankshaft, and a piston is movably connected to the end of the connecting rod. The piston is in movable cooperation with the compression chamber. One end of the crankshaft is connected to the drive motor through the transmission assembly.

[0011] Furthermore, it also includes a vent cover, with the vent cover embedded in the top of the compressor body and axially distributed with the pressure relief sleeve.

[0012] The beneficial effects of this utility model are as follows: By controlling the movement speed of the adjusting block through the hydraulic cylinder, the opening and closing time of the intake valve and the delayed closing function can be precisely adjusted, so that the excess gas before compression flows back to the return chamber through the exhaust hole, ensuring that only the required amount of gas is compressed, thereby effectively reducing the indicated power consumption and improving energy efficiency; and when the pressure in the compression chamber exceeds the set value, the gas can be discharged through the dual channels of the exhaust valve on the shaft side and the adjustable exhaust valve on the cover side, avoiding excessive unidirectional force on the piston and connecting rod, which helps to extend the service life of key components. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a three-dimensional structural diagram of the compressor body of this utility model.

[0015] Figure 3This is a cross-sectional view of the compressor body of this utility model.

[0016] Figure 4 This is a partial sectional view of the compressor body of this utility model.

[0017] Figure 5 This is a three-dimensional structural diagram of the adjustable air outlet valve and adjusting block of this utility model.

[0018] Figure 6 This is a structural separation diagram of the adjustable air outlet valve of this utility model.

[0019] Reference numerals: 1_Compressor body, 2_Transmission assembly, 3_Drive motor, 4_Moving chamber, 5_Compression chamber, 6_Crankshaft, 60_Connecting rod, 61_Piston, 7_Adjusting cover, 70_Exhaust port, 8_Return chamber, 9_Intake valve, 90_Pressure relief valve, 10_Exhaust valve, 11_Pressure sensor, 12_Hydraulic cylinder, 13_Adjusting block, 14_Pressure relief sleeve, 140_Plug, 141_Spring, 142_Pressure ring, 143_Adjusting cap, 15_Ventilator cover, 100_Controller. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] Implementation method: This utility model provides a stepless gas flow regulator applied to a new hydrogen compressor, such as... Figures 1 to 6 The compressor body includes a compressor body 1, a drive mechanism, an intake valve 9, an exhaust valve 10, and a stepless adjustment control mechanism. The drive mechanism is connected to one side of the compressor body 1 to drive the compressor body 1 for continuous and stable operation. The upper part of the compressor body 1 is connected to and communicates with the intake valve 9 and the exhaust valve 10. A stepless adjustment control mechanism is installed on the top of the compressor body 1. The stepless adjustment control mechanism includes an adjustment cover 7, a pressure sensor 11, a hydraulic cylinder 12, an adjustment block 13, a controller 100, and an adjustable exhaust valve. The adjustment cover 7 is installed inside the top of the compressor body 1. A pressure sensor 11 is embedded on one side of the compressor body 1 and the adjustment cover 7. The adjustment cover 7 contains... The compressor body 1 has an adjustable block 13 that can move up and down. A hydraulic cylinder 12 is installed on the top of the compressor body 1, and the end of the telescopic shaft of the hydraulic cylinder 12 is connected to the adjustable block 13. A controller 100 is provided on the outside of the compressor body 1. The hydraulic cylinder 12 and the pressure sensor 11 are electrically connected to the controller 100. Through the cooperation of the controller 100 and the pressure sensor 11, the stroke and speed of the hydraulic cylinder 12 can be precisely controlled. An adjustable exhaust valve is also provided on the top of the compressor body 1. Through the exhaust valve 10 and the adjustable exhaust valve, dual exhaust channels in different directions can be formed, which helps to improve the safety and flexibility during use and avoid switching the exhaust channel at any time in case of an accident.

[0022] like Figure 5 and Figure 6 The adjustable vent valve includes a pressure relief sleeve 14, a plug 140, a spring 141, a pressure ring 142, and an adjusting cap 143. The pressure relief sleeve 14 is embedded in one side of the adjusting block 13. The lower end of the pressure relief sleeve 14 is provided with an adjustable plug 140. The upper end of the plug 140 abuts against the pressure ring 142 via the spring 141. The upper end of the pressure relief sleeve 14 is screwed on with an adjusting cap 143 that abuts against the pressure ring 142. The tightness of the plug 140 can be adjusted by rotating the adjusting cap 143. By rotating the adjusting cap 143, the pressure ring 142 applies pressure to the spring 141, thereby adjusting the tightness of the plug 140 accordingly, which is beneficial for adapting to different working environments.

[0023] like Figures 1 to 4 The stepless adjustment control mechanism also includes a pressure relief valve 90. A return chamber 8 for gas return is provided between the outer wall of the adjustment cover 7 and the inner wall of the upper part of the compressor body 1. The adjustment cover 7 is symmetrically provided with exhaust holes 70 that communicate with the return chamber 8. The pressure relief valve 90 that communicates with the return chamber 8 is connected to the outer side of the upper part of the compressor body 1. When the gas inside the return chamber 8 reaches a predetermined value, it can be automatically discharged through the pressure relief valve 90, which helps to ensure safety during use.

[0024] like Figure 1 The drive mechanism includes a transmission assembly 2, a drive motor 3, a crankshaft 6, a connecting rod 60, and a piston 61. The compressor body 1 has a compression chamber 5 and a movable chamber 4 that are interconnected on the upper and lower sides. The lower part of the compressor body 1 is connected to the crankshaft 6 through a bearing, and the crankshaft 6 is located in the movable chamber 4. The connecting rod 60 is rotatably connected to the crankshaft 6, and the piston 61 is movably connected to the end of the connecting rod 60. The piston 61 is in movable cooperation with the compression chamber 5. One end of the crankshaft 6 is connected to the drive motor 3 through the transmission assembly 2, which consists of a pulley and a V-belt, and is used to transmit the driving force generated by the drive motor 3 to the crankshaft 6.

[0025] In addition, such as Figure 2 , Figure 4 , Figure 5 and Figure 6 It also includes a vent cover 15. The top of the compressor body 1 is embedded with a vent cover 15 that is axially distributed with the pressure relief sleeve 14. When it is necessary to adjust the stroke of the adjusting cap 143, the vent cover 15 can be removed and taken out, which is convenient to use.

[0026] In use, the crankshaft 6 is driven to rotate by the drive motor 3 and the transmission assembly 2, causing the connecting rod 60 to drive the piston 61 to reciprocate along the compression chamber 5 to compress the incoming gas. The pressure sensor 11 feeds back the compressed gas pressure data inside the compressor body 1 to the controller 100, and the controller 100 controls the extension or retraction of the hydraulic cylinder 12 to control the movement stroke of the adjusting block 13, thereby achieving the purpose of precisely increasing or decreasing the gas intake volume in the intake valve 9. Furthermore, by controlling the speed of the adjusting movement, the opening and closing time can be precisely controlled. This allows for a delayed closing of the intake valve 9, enabling excess gas inside the compressor body 1 to return to the return chamber 8 through the exhaust port 70 before compression. This helps the compressor body 1 compress only the required amount of gas, thereby saving indicated power consumption. Furthermore, when the pressure of the compressed gas inside the compressor body 1 exceeds a preset value, the gas can be discharged not only through the exhaust valve 10 located on the shaft side of the compressor body 1, but also through the adjustable exhaust valve on the cover side. This effectively avoids unidirectional force on the piston 61 and the connecting rod 60, thus extending the service life of key components.

[0027] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A stepless gas flow regulator for a new hydrogen compressor, comprising a compressor body (1), a drive mechanism, an inlet valve (9), and an outlet valve (10), characterized in that, It also includes a stepless adjustment control mechanism. The compressor body (1) is provided with a stepless adjustment control mechanism on the top. The stepless adjustment control mechanism includes an adjustment cover (7), a pressure sensor (11), a hydraulic cylinder (12), an adjustment block (13), a controller (100), and an adjustable outlet valve. The compressor body (1) is provided with an adjustment cover (7) on the top. The compressor body (1) and the adjustment cover (7) are embedded with a pressure sensor (11) on one side. The adjustment cover (7) is provided with an adjustment block (13) that can be adjusted up and down. The compressor body (1) is installed with a hydraulic cylinder (12) on the top. The telescopic shaft end of the hydraulic cylinder (12) is connected to the adjustment block (13). The compressor body (1) is provided with a controller (100) on the outside. The compressor body (1) is also provided with an adjustable outlet valve on the top.

2. The stepless gas flow regulator for a new hydrogen compressor according to claim 1, characterized in that, The adjustable vent valve includes a pressure relief sleeve (14), a plug (140), a spring (141), a pressure ring (142), and an adjusting cap (143). The pressure relief sleeve (14) is embedded in one side of the adjusting block (13). The lower end of the pressure relief sleeve (14) is provided with a plug (140) that can adjust the stroke. The upper end of the plug (140) abuts against the pressure ring (142) through the spring (141). The upper end of the pressure relief sleeve (14) is screwed on with an adjusting cap (143) that abuts against the pressure ring (142). The clamping force of the plug (140) can be adjusted by rotating the adjusting cap (143).

3. The stepless gas flow regulator for a new hydrogen compressor according to claim 1, characterized in that, The stepless adjustment control mechanism also includes a pressure relief valve (90). A return cavity (8) for gas return is provided between the outer wall of the adjustment cover (7) and the inner wall of the upper part of the compressor body (1). The adjustment cover (7) is symmetrically provided with exhaust holes (70) that communicate with the return cavity (8). The outer side of the upper part of the compressor body (1) is connected to a pressure relief valve (90) that communicates with the return cavity (8).

4. The stepless gas flow regulator for a new hydrogen compressor according to claim 1, characterized in that, The hydraulic cylinder (12) and the pressure sensor (11) are electrically connected to the controller (100).

5. A stepless gas flow regulator for a new hydrogen compressor according to claim 1, characterized in that, The drive mechanism includes a transmission assembly (2), a drive motor (3), a crankshaft (6), a connecting rod (60), and a piston (61). The compressor body (1) has a compression chamber (5) and a movable chamber (4) that are connected to each other on the upper and lower sides. The lower part of the compressor body (1) is connected to the crankshaft (6) through a bearing, and the crankshaft (6) is located in the movable chamber (4). The connecting rod (60) is rotatably connected to the crankshaft (6), and the piston (61) is movably connected to the end of the connecting rod (60). The piston (61) is movably engaged with the compression chamber (5). One end of the crankshaft (6) is connected to the drive motor (3) through the transmission assembly (2).

6. A stepless gas flow regulator for a new hydrogen compressor according to claim 2, characterized in that, It also includes a vent cover (15), and the compressor body (1) is embedded in the top of the vent cover (15) which is axially distributed with the pressure relief sleeve (14).

Images