CN216817226U - Digital control system of hydrostatic testing machine - Google Patents
Digital control system of hydrostatic testing machine Download PDFInfo
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- CN216817226U CN216817226U CN202122793296.5U CN202122793296U CN216817226U CN 216817226 U CN216817226 U CN 216817226U CN 202122793296 U CN202122793296 U CN 202122793296U CN 216817226 U CN216817226 U CN 216817226U
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Abstract
The utility model relates to a digital control system of a hydrostatic testing machine, which comprises an electrical control cabinet, the hydrostatic testing machine and a shielding cable connected between the hydrostatic testing machine and the electrical control cabinet; the electric control cabinet comprises a programmable controller in the cabinet body and a touch screen on the operating surface of the cabinet body; the touch screen is electrically connected with the programmable controller; the electric control cabinet is electrically connected with the hydrostatic testing machine through a shielded cable; the hydraulic testing machine is provided with a pressure detection element, a control element is arranged on an execution element of the hydraulic testing machine, the programmable controller receives a detection signal of the pressure detection element and an operation signal of the touch screen, and outputs a control signal to the control element to control a pressure experiment of the hydraulic testing machine. The system has high automation degree and convenient operation, meets the hydraulic test process requirements of different motor shells, has wider application range, improves the working reliability of the hydraulic test machine and the reliability of products, ensures the quality of the products, improves the production efficiency and also saves the cost.
Description
Technical Field
The utility model relates to a motor casing hydrostatic test technology, in particular to a hydrostatic test machine digital control system.
Background
The hydrostatic testing machine is an electrical device commonly used in the motor industry, and is mainly used for carrying out hydrostatic leakage test on a motor shell machined and formed in the previous procedure, detecting the sealing performance of the motor shell and ensuring the explosion-proof performance of the motor in the working process.
Traditional hydrostatic testing machine, degree of automation is low, and is not only inefficient, and test data does not have automatic recording moreover, leads to producing unqualified product, influences product quality.
Disclosure of Invention
In order to improve the automation degree of the hydrostatic testing machine and the reliability of product data, a hydrostatic testing machine digital control system is provided.
The technical scheme of the utility model is as follows: a hydrostatic testing machine digital control system comprises an electrical control cabinet, a hydrostatic testing machine and a shielding cable connected between the hydrostatic testing machine and the electrical control cabinet; the electric control cabinet comprises a programmable controller in the cabinet body and a touch screen on the operating surface of the cabinet body; the touch screen is electrically connected with the programmable controller; the electric control cabinet is electrically connected with the hydrostatic testing machine through a shielded cable; the hydraulic testing machine is provided with a pressure detection element, a control element is arranged on an execution element of the hydraulic testing machine, the programmable controller receives a detection signal of the pressure detection element and an operation signal of the touch screen, and outputs a control signal to the control element to control a pressure experiment of the hydraulic testing machine.
Preferably, the pressure detection element comprises a hydraulic system pressure sensor, a master cylinder pressure sensor and a water pressure sensor;
the hydraulic system pressure sensor is used for monitoring the total pressure of the hydraulic system of the hydrostatic testing machine;
the main cylinder pressure sensor is used for monitoring the pressure of a hydraulic cylinder of the hydrostatic testing machine;
and the water pressure sensor is used for monitoring the water pressure test pressure and ensuring the process requirement of the water pressure test.
Preferably, the control element comprises a variable frequency speed regulator, a proportional electromagnetic valve, a water injection electromagnetic valve and a water discharge electromagnetic valve;
the variable frequency speed regulator is used for regulating the pressure of the hydraulic system;
the proportional solenoid valve is used for adjusting the pressure of the hydraulic system;
the water injection electromagnetic valve is used for injecting water into the motor shell when the motor shell is opened or closed;
and the water drainage electromagnetic valve is used for opening and closing water drainage in the motor shell.
Preferably, the programmable controller collects the pressure signal of the pressure detection element in real time, converts the pressure signal into a digital signal and sends the digital signal to the touch screen for display; and the operation signal on the touch screen is transmitted to the programmable controller, and the programmable controller outputs a control signal to a control element on an execution element of the hydrostatic testing machine to execute corresponding control operation.
Preferably, the electrical control cabinet is further provided with an indicator light for indicating the working state of the system.
Preferably, the electrical control cabinet is further provided with an emergency stop button for controlling the hydrostatic testing machine to stop in an emergency.
The utility model has the beneficial effects that: the digital control system of the hydrostatic testing machine has the advantages of high system automation degree, convenience in operation, capability of meeting the hydrostatic testing process requirements of different motor shells, wider application range, improvement of the working reliability of the hydrostatic testing machine and the reliability of products, guarantee of the quality of the products, improvement of the production efficiency and saving of the cost.
Drawings
FIG. 1 is a schematic structural diagram of a digital control system of a hydrostatic testing machine according to the present invention;
FIG. 2 is a schematic diagram of the electrical connection between the PLC and the hydrostatic testing machine.
Reference numerals: 1. an electrical control cabinet; 10. a programmable controller; 11. a touch screen; 12. an emergency stop button; 13. an indicator light; 2. a hydrostatic testing machine; 20. a system pressure sensor; 21. a master cylinder pressure sensor; 22. a water pressure sensor; 23. a variable frequency governor; 24. a proportional solenoid valve; 25. a water injection solenoid valve; 26. a water discharge electromagnetic valve; 3. a shielded cable.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Fig. 1 is a schematic structural diagram of a hydrostatic testing machine digital control system, which includes an electrical control cabinet 1, a hydrostatic testing machine 2 and a shielding cable 3 connected therebetween, wherein the electrical control cabinet 1 includes a programmable controller 10 in a cabinet body, a touch screen 11 on an operation surface of the cabinet body, an emergency stop button 12 and an indicator lamp 13, and the touch screen 11, the emergency stop button 12 and the indicator lamp 13 are all connected with the programmable controller 10.
The electric control cabinet 1 is electrically connected with the hydrostatic testing machine 2 through a shielded cable 3; the hydrostatic testing machine 2 is provided with a pressure detection element, namely a hydraulic system pressure sensor 20, a main cylinder pressure sensor 21 and a water pressure sensor 22; the hydraulic tester 2 is provided with a control element variable frequency speed regulator 23, a proportional electromagnetic valve 24, a water injection electromagnetic valve 25 and a water discharge electromagnetic valve 26 on an execution element.
And the hydraulic system pressure sensor 20 is used for monitoring the total pressure of the hydraulic system of the hydrostatic testing machine 2. And the master cylinder pressure sensor 21 is used for monitoring the pressure of the hydraulic cylinder of the hydrostatic testing machine 2. And the water pressure sensor 22 is used for monitoring the water pressure test pressure and ensuring the process requirement of the water pressure test. And the variable-frequency speed regulator 23 is used for regulating the pressure of the hydraulic system. A proportional solenoid valve 24 for regulating the hydraulic system pressure. And the water injection electromagnetic valve 25 is used for injecting water into the motor shell when the motor shell is opened or closed. And the water discharge electromagnetic valve 26 is used for opening and closing water discharge in the motor shell.
The utility model relates to a hydrostatic testing machine digital control system based on a touch screen and a PLC (programmable logic controller), wherein the electric control cabinet door is provided with the touch screen 11 which is used for displaying menu contents and can perform touch operation, and an indicator lamp 13 and an emergency stop button 12 are arranged below the touch screen 11.
The programmable controller 10 collects pressure signals of all detection elements of the hydrostatic testing machine in real time, converts the pressure signals into digital signals and sends the digital signals to the touch screen 11 for display; the operation information on the touch screen 11 is transmitted to the programmable controller 10, and the programmable controller 10 performs corresponding control operation on the hydrostatic testing machine.
The electrical control cabinet 1 is further provided with an indicator light 13 for indicating the working state of the system, and the indicator light is connected with the programmable controller 10.
The electrical control cabinet 1 is also provided with an emergency stop button 12 for controlling the hydrostatic testing machine to stop in emergency.
The control circuit on the electric control cabinet consists of a programmable controller 10, a touch screen 11, an emergency stop button 12 and an indicator light 13, wherein a communication port of the programmable controller 10 is connected with a communication port of the touch screen 11 on the electric control cabinet door through a communication bus. The programmable controller 10 transmits the collected signals to the touch screen 11 for display through the communication bus, and the operation information on the touch screen 11 is also transmitted to the programmable controller 10 through the communication bus, and then the corresponding control operation is performed by the internal program of the programmable controller 10. The I/O terminal of the programmable controller 10 is connected with the hydraulic system pressure sensor 20, the main cylinder pressure sensor 21, the water pressure sensor 22, the variable frequency speed regulator 23, the proportional solenoid valve 24, the water injection solenoid valve 25 and the water discharge solenoid valve 26 of the hydrostatic testing machine respectively, the programmable controller 10 processes and controls input and output signals through an internal program, receives pressure signals of the system pressure sensor 20, the main cylinder pressure sensor 21 and the water pressure sensor 22, converts set pressure values and pressure maintaining time values, converts the pressure signals into control signals, sends the control signals to the variable frequency speed regulator 23, the proportional solenoid valve 24, the water injection solenoid valve 25 and the water discharge solenoid valve 26 to control the hydrostatic testing machine pressure experiment, and sends data to a touch screen for display.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A hydrostatic testing machine digital control system is characterized by comprising an electrical control cabinet, a hydrostatic testing machine and a shielding cable connected between the hydrostatic testing machine and the electrical control cabinet; the electric control cabinet comprises a programmable controller in the cabinet body and a touch screen on the operating surface of the cabinet body; the touch screen is electrically connected with the programmable controller; the electric control cabinet is electrically connected with the hydrostatic testing machine through a shielded cable; the hydraulic testing machine is provided with a pressure detection element, a control element is arranged on an execution element of the hydraulic testing machine, the programmable controller receives a detection signal of the pressure detection element and an operation signal of the touch screen, and outputs a control signal to the control element to control a pressure experiment of the hydraulic testing machine.
2. The hydrostatic testing machine digital control system of claim 1, wherein the pressure detection elements include a hydraulic system pressure sensor, a master cylinder pressure sensor, and a water pressure sensor;
the hydraulic system pressure sensor is used for monitoring the total pressure of the hydraulic system of the hydrostatic testing machine;
the main cylinder pressure sensor is used for monitoring the pressure of a hydraulic cylinder of the hydrostatic testing machine;
and the water pressure sensor is used for monitoring the water pressure test pressure and ensuring the process requirement of the water pressure test.
3. The hydrostatic testing machine digital control system of claim 1, wherein the control elements include a variable frequency governor, a proportional solenoid valve, a water injection solenoid valve, and a water discharge solenoid valve;
the variable frequency speed regulator is used for regulating the pressure of the hydraulic system;
the proportional solenoid valve is used for adjusting the pressure of the hydraulic system;
the water injection electromagnetic valve is used for injecting water into the motor shell when the motor shell is opened or closed;
and the water discharge electromagnetic valve is used for opening and closing water discharge in the motor shell.
4. The hydrostatic testing machine digital control system of any one of claims 1 to 3, wherein the programmable controller collects pressure signals of the pressure detection element in real time, converts the pressure signals into digital signals and sends the digital signals to the touch screen for display; and the operation signal on the touch screen is transmitted to the programmable controller, and the programmable controller outputs a control signal to a control element on an execution element of the hydrostatic testing machine to execute corresponding control operation.
5. The hydrostatic testing machine digital control system of claim 1, wherein the electrical control cabinet is further provided with an indicator light for indicating the working state of the system.
6. The hydrostatic testing machine digital control system of claim 1, wherein the electrical control cabinet is further provided with an emergency stop button for controlling the hydrostatic testing machine to stop in case of emergency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122793296.5U CN216817226U (en) | 2021-11-15 | 2021-11-15 | Digital control system of hydrostatic testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122793296.5U CN216817226U (en) | 2021-11-15 | 2021-11-15 | Digital control system of hydrostatic testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216817226U true CN216817226U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122793296.5U Active CN216817226U (en) | 2021-11-15 | 2021-11-15 | Digital control system of hydrostatic testing machine |
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| Country | Link |
|---|---|
| CN (1) | CN216817226U (en) |
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2021
- 2021-11-15 CN CN202122793296.5U patent/CN216817226U/en active Active
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