CN213575838U - High-precision pressure control mechanism for electromagnetic valve testing device - Google Patents
High-precision pressure control mechanism for electromagnetic valve testing device Download PDFInfo
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- CN213575838U CN213575838U CN202022680579.4U CN202022680579U CN213575838U CN 213575838 U CN213575838 U CN 213575838U CN 202022680579 U CN202022680579 U CN 202022680579U CN 213575838 U CN213575838 U CN 213575838U
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Abstract
The utility model discloses a high accuracy pressure control mechanism for solenoid valve testing arrangement, including the oil feed piece, be provided with the oil feed passageway in the oil feed piece, oil feed passageway both ends connect and the articulate that produces oil with the oil feed that sets up on the oil feed piece respectively, be provided with servo valve and oil feed pressure measurement on the oil feed piece and connect, servo valve and oil feed pressure measurement connect along the oil feed direction in proper order with oil channel connection, the oil feed pressure measurement connects and is connected with oil feed pressure sensor, the joint that produces oil is connected with the product that awaits measuring, realizes the accurate control to the solenoid valve test oil input.
Description
Technical Field
The utility model relates to a detection device field especially relates to a high accuracy pressure control mechanism for solenoid valve testing arrangement.
Background
The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured.
Traditional test solenoid valve can't carry out accurate control to advancing oil quantity as required when supplying with the oil pressure, leads to efficiency of software testing to hang down and the test result deviation is great.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a high-precision pressure control mechanism for a solenoid valve testing device, which realizes the accurate control of the oil inlet amount of the solenoid valve test.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a high accuracy pressure control mechanism for solenoid valve testing arrangement, includes the piece of intaking, be provided with the oil feed passageway in the oil feed piece, oil feed passageway both ends are connected with oil feed joint and the oil production joint that sets up on the oil feed piece respectively, be provided with servo valve and oil feed pressure measurement joint on the oil feed piece, servo valve and oil feed pressure measurement joint are connected with the oil feed passageway along the oil feed direction in proper order, the oil feed pressure measurement joint is connected with oil feed pressure sensor, the oil production joint is connected with the product that awaits measuring.
The utility model provides a high accuracy pressure control mechanism for solenoid valve testing arrangement, its beneficial effect is: carry out real-time supervision to pressure through setting up oil feed pressure sensor to according to the opening size of pressure adjustment servovalve, thereby change the oil feed rate, realize the accurate control to solenoid valve test oil feed rate.
Furthermore, the oil inlet channel is connected with three flow test branches in parallel, any two of the flow test branches are respectively provided with a first flow meter and a second flow meter, the other flow test branches are provided with a third electromagnetic valve, and the first flow meter, the second flow meter and the third electromagnetic valve are all located between the oil inlet pressure measuring joint and the oil outlet joint and can be used for flow test through the first flow meter and the second flow meter.
Furthermore, a first electromagnetic valve and a second electromagnetic valve are arranged on the flow test branch, the first electromagnetic valve and the first flowmeter are arranged on the same flow test branch, and the second electromagnetic valve and the second flowmeter are arranged on the same flow test branch and are used for controlling the flowing direction of the liquid.
Further, the measuring range of the first flow meter is larger than that of the second flow meter, and the first flow meter is used for detecting flow in different ranges.
Further, the oil inlet pressure sensor and the servo valve are connected with a control system.
Further, be provided with fourth solenoid valve and choke valve on the oil inlet block, fourth solenoid valve and choke valve all are connected with the throttle passage that sets up in the oil inlet block.
Furthermore, a throttling pressure measuring joint is further arranged on the throttling channel and can be connected with a throttling pressure sensor through the throttling pressure measuring joint.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the present invention.
In the figure:
1-oil inlet block; 2-an oil inlet channel; 3-oil inlet pressure measuring joint; 4-a servo valve; 5-an oil inlet joint; 6-oil outlet joint; 7-flow test branch; 8-a first flow meter; 9-a second flow meter; 10-a first solenoid valve; 11-a second solenoid valve; 12-a third solenoid valve; 13-a fourth solenoid valve; 14-a throttle valve; 15-a throttle pressure tap; 16-throttling channel.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the attached drawings 1 and 2, the high-precision pressure control mechanism for the electromagnetic valve testing device comprises an oil inlet block 1, wherein an oil inlet channel 2 is arranged in the oil inlet block 1, two ends of the oil inlet channel 2 are respectively connected with an oil inlet joint 5 and an oil outlet joint 6 which are arranged on the oil inlet block 1, a servo valve 4 and an oil inlet pressure measuring joint 3 are arranged on the oil inlet block 1, the servo valve 4 and the oil inlet pressure measuring joint 3 are sequentially connected with the oil inlet channel 2 along an oil inlet direction, an oil inlet pressure sensor and the servo valve 4 are both connected with a control system, the oil inlet pressure measuring joint 3 is connected with an oil inlet pressure sensor, the oil outlet joint 6 is connected with a product to be tested, the pressure is monitored in real time by arranging the oil inlet pressure sensor, the opening size of the servo valve 4 is adjusted according to the pressure, so that the oil inlet amount is changed;
three flow test branches 7 are connected in parallel on the oil inlet channel 2, a first flow meter 8 and a second flow meter 9 are respectively arranged on any two flow test branches 7, the range of the first flow meter 8 is larger than that of the second flow meter 9, a third electromagnetic valve 12 is arranged on the other flow test branch 7, the first flow meter 8, the second flow meter 9 and the third electromagnetic valve 12 are all positioned between the oil inlet pressure measuring joint 3 and the oil outlet joint 6, a first electromagnetic valve 10 and a second electromagnetic valve 11 are arranged on the flow test branch 7, the first electromagnetic valve 10 and the first flow meter 8 are arranged on the same flow test branch 7, the second electromagnetic valve 11 and the second flow meter 9 are arranged on the same flow test branch 7, the flow can be detected in different ranges by using the flow meters with different ranges, when the flow detection is not needed, the first electromagnetic valve 10 and the second electromagnetic valve 11 are closed, opening the third electromagnetic valve 12 to make the liquid directly flow out from the oil outlet joint into the product;
the fourth electromagnetic valve 13 and the throttle valve 14 are arranged on the oil inlet block 1, the fourth electromagnetic valve 13 and the throttle valve 14 are both connected with a throttle channel 16 arranged in the oil inlet block 1, and a throttle pressure measuring joint 15 is further arranged on the throttle channel 116.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high accuracy pressure control mechanism for solenoid valve testing arrangement which characterized in that: including the piece of intaking (1), be provided with oil feed passageway (2) in the piece of intaking (1), oil feed passageway (2) both ends are connected with oil feed joint (5) and the joint of producing oil (6) of setting on the piece of intaking (1) respectively, be provided with servo valve (4) and oil feed pressure measurement joint (3) on the piece of intaking (1), servo valve (4) and oil feed pressure measurement joint (3) are connected with oil feed passageway (2) along the oil feed direction in proper order, oil feed pressure measurement joint (3) are connected with oil feed pressure sensor, it is connected with the product that awaits measuring to produce oil joint (6).
2. The high precision pressure control mechanism for a solenoid valve testing device according to claim 1, characterized in that: the oil inlet channel (2) is connected with three flow testing branches (7) in parallel, any two flow testing branches (7) are provided with a first flowmeter (8) and a second flowmeter (9) respectively, the rest one flow testing branch (7) is provided with a third electromagnetic valve (12), and the first flowmeter (8), the second flowmeter (9) and the third electromagnetic valve (12) are located between the oil inlet pressure measuring joint (3) and the oil outlet joint (6).
3. The high-precision pressure control mechanism for a solenoid valve testing device according to claim 2, characterized in that: the flow rate test branch (7) is provided with a first electromagnetic valve (10) and a second electromagnetic valve (11), the first electromagnetic valve (10) and the first flowmeter (8) are arranged on the same flow rate test branch (7), and the second electromagnetic valve (11) and the second flowmeter (9) are arranged on the same flow rate test branch (7).
4. The high-precision pressure control mechanism for a solenoid valve testing device according to claim 2, characterized in that: the range of the first flowmeter (8) is larger than the range of the second flowmeter (9).
5. The high precision pressure control mechanism for a solenoid valve testing device according to claim 1, characterized in that: and the oil inlet pressure sensor and the servo valve (4) are connected with a control system.
6. The high precision pressure control mechanism for a solenoid valve testing device according to claim 1, characterized in that: the oil inlet block (1) is provided with a fourth electromagnetic valve (13) and a throttle valve (14), and the fourth electromagnetic valve (13) and the throttle valve (14) are connected with a throttle channel (16) arranged in the oil inlet block (1).
7. The high-precision pressure control mechanism for a solenoid valve testing device according to claim 6, characterized in that: and a throttling pressure measuring joint (15) is also arranged on the throttling channel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680579.4U CN213575838U (en) | 2020-11-18 | 2020-11-18 | High-precision pressure control mechanism for electromagnetic valve testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680579.4U CN213575838U (en) | 2020-11-18 | 2020-11-18 | High-precision pressure control mechanism for electromagnetic valve testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575838U true CN213575838U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022680579.4U Active CN213575838U (en) | 2020-11-18 | 2020-11-18 | High-precision pressure control mechanism for electromagnetic valve testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575838U (en) |
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2020
- 2020-11-18 CN CN202022680579.4U patent/CN213575838U/en active Active
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