CN219872169U - Stepping motor control device for temperature control valve test - Google Patents
Stepping motor control device for temperature control valve test Download PDFInfo
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- CN219872169U CN219872169U CN202320348908.6U CN202320348908U CN219872169U CN 219872169 U CN219872169 U CN 219872169U CN 202320348908 U CN202320348908 U CN 202320348908U CN 219872169 U CN219872169 U CN 219872169U
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- 239000000047 product Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The utility model belongs to the field of motor control, and particularly relates to a stepping motor control device for temperature control valve testing. According to the utility model, the touch screen and the programmable logic controller are additionally arranged, so that the touch screen can realize the functions of inputting the operation parameters and the operation modes, the programmable logic controller is further controlled to output the control signals of the stepping motor driver according to the operation parameters and the operation modes, finally, the product to be tested is driven to operate according to the test requirement by the stepping motor driver, the operation position of the product can be displayed on the touch screen in real time, and the control requirement on the performance test of the product is realized. On the basis, the plurality of knobs are arranged to be matched with the programmable logic controller, so that the function of the utility model is further expanded, the operation is simple, the cost is low, the structure is simple, the functionality is strong, the test requirements can be met, and the test accuracy and efficiency can be effectively improved.
Description
Technical Field
The utility model belongs to the field of motor control, and particularly relates to a stepping motor control device for temperature control valve testing.
Background
The temperature control valve is a typical application of a flow control valve in the field of temperature control, and when the load changes, the temperature is restored to a set value by controlling the stepping motor to rotate to change the opening degree of the valve and adjust the flow, so that the influence caused by load fluctuation is eliminated. Before environmental test, the temperature control valve needs to be tested by using a specific device, so that accidents during use are avoided.
The existing temperature control valve testing device is complex in structure, single in function and complex in operation, a stepping motor control circuit is generally connected with an actual stepping motor and a driving mechanism thereof, real-time voltage values of a temperature control valve sensor are tested by testing equipment such as an oscilloscope, and correctness of a control strategy is judged according to amplitude values, phase relations and the like of the tested voltage values.
Disclosure of Invention
The utility model provides a stepping motor control device for testing a temperature control valve, which aims to solve the problems of complex structure, single function and complex operation of the conventional temperature control valve testing device.
In order to achieve the above purpose, the utility model proposes the following technical scheme:
the stepping motor control device for testing the temperature control valve is characterized by comprising a case, a first switching power supply, a second switching power supply, a switch, a stepping motor driver and a programmable logic controller;
the case is a cuboid and comprises a front panel and a rear panel, and a touch screen is arranged on the front panel;
the first switching power supply is a 24V DC switching power supply, and the second switching power supply is a 5V DC switching power supply;
the stepping motor driver comprises a first constant current control driver, a second constant current control driver, a third constant current control driver and a fourth constant current control driver;
the first switch power supply, the second switch power supply, the switch, the stepping motor driver and the programmable logic controller are arranged in the case;
the input ends of the first switching power supply and the second switching power supply are connected with an external power supply; the output end of the first switching power supply is provided with a touch screen and a programmable logic controller;
the output end of the second switching power supply penetrates through the rear panel to be connected with the temperature control valve sensor;
the first constant current control driver and the second constant current control driver are connected with a first switching power supply;
the third constant current control driver and the fourth constant current control driver are connected to the second switching power supply;
the input end of the stepping motor driver is connected with the programmable logic controller, and the output ends of the first constant current control driver, the second constant current control driver, the third constant current control driver and the fourth constant current control driver penetrate through the rear panel to be connected with the temperature control valve sensor;
the switch is connected with the programmable logic controller and the touch screen.
Preferably, the first switching power supply and the second switching power supply are respectively a 24V DC switching power supply and a 5V DC switching power supply.
Preferably, the programmable logic controller is a CPU1214CDC/DC/DC programmable logic controller;
the touch screen is a TPC7072Gi touch screen.
Preferably, the device further comprises a ground wire terminal, wherein the ground wire terminal is arranged at the bottom of the case and is connected with a ground wire;
preferably, the three-hole power supply further comprises a three-hole socket and a circuit breaker, wherein the input ends of the first switching power supply and the second switching power supply are externally connected with a 220V alternating current power supply through the three-hole socket and the circuit breaker on the interface unit;
the input end of the three-hole socket is connected with an external power supply, the output end of the three-hole socket is connected with the primary side of the circuit breaker, and the secondary side of the circuit breaker is connected with the input ends of the first switching power supply and the second switching power supply.
Preferably, the front panel is also provided with an operation indicator lamp and a power indicator lamp;
one end of the running indicator lamp is connected with the Q1.0 terminal of the programmable logic controller, and the other end of the running indicator lamp is connected with the 3M terminal of the programmable logic controller;
one end of the power indicator lamp is connected to the N end of the three-hole socket, and the other end of the power indicator lamp is connected to the secondary side 2 pin of the circuit breaker.
Preferably, the front panel is also provided with a manual/automatic selection knob, a measuring machine selection knob, a start button and a stop button;
the manual/automatic selection knob, the measuring machine selection knob, the start button and the stop button are connected with the programmable logic controller.
Preferably, the switch is connected with a communication network port on the programmable logic controller through an RJ45 network cable.
Preferably, the programmable logic controller connects the terminals of the stepper motor driver including enable FREE, pulse CP, direction DIR, MODE, and simultaneously uses a 2K resistor for pull-down.
Preferably, the motor control system further comprises an SM1222 module, wherein the programmable logic controller is connected with the stepping motor driver through the SM1222 module;
the programmable logic controller connects terminals of the stepper motor driver through the SM1222 module including enable FREE, direction DIR, MODE.
The utility model has the advantages that:
the touch screen and the programmable logic controller are arranged, the function of inputting operation parameters and operation modes can be realized by the touch screen through programming control, the programmable logic controller is further controlled to output control signals of the stepping motor driver according to the operation parameters and the operation modes, finally, a product to be tested is driven to operate according to test requirements through the stepping motor driver, the operation position of the product can be displayed on the touch screen in real time, and the control requirement on product performance test is realized.
The stepping motor power interface is connected with external different direct current power supplies, so that the stepping motor power interface can be used for testing products of different power supply sections, and the application range of the stepping motor power interface is expanded.
The case is provided with the operation indicator lamp and the power indicator lamp, the power condition of the control device is displayed clearly in real time through the power indicator lamp, and the operation condition of the control device is displayed clearly in real time through the operation indicator lamp, so that the further operation of operators is facilitated.
The control button unit is arranged to realize the starting and stopping of the manual/automatic selection and the selection and control of the measuring machine of the stepping motor to be tested, and further expands the functions of the device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a system framework of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the chassis according to the present utility model;
FIG. 3 is a schematic view of a rear panel of a chassis according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a front panel of a chassis according to an embodiment of the present utility model;
FIG. 5 is a first portion of a circuit structure of the present utility model;
FIG. 6 is a second portion of the circuit structure of the present utility model
In the figure, 1 is a case; 2 is a 24VDC power supply; 3 is a 5VDC power supply; 4 is a switch; 5 is a ground wire terminal; 6 is a first constant current control driver; 7 is a second constant current control driver; 8 is a third constant current control driver; 9 is a fourth constant current control driver; 10 is a programmable logic controller; 11 is SM1222;12 is a three-hole socket; 13 is a guide rail; 14 is a communication network port; 15 is a first stepper motor driver interface channel; 16 is a second stepper motor driver interface channel; 17 is a third stepper motor driver interface channel; 18 is a fourth stepper motor driver interface channel; 19 is an external power supply inlet; 20 is a circuit breaker; 21 is a second alternate channel; 22 is a second alternate channel; 23 is an internal power outlet; 24 is the sensor wiring channel; 25 is a touch screen; 26 is an operation indicator light; 27 is a power indicator lamp; 28 is a manual to automatic knob; 29 is the measuring machine 1 and 2 is the knob of the measuring machine; 30 is a start button; 31 is a stop button.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The following detailed description is exemplary and is intended to provide further details of the utility model. Unless defined otherwise, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the utility model.
Example 1:
referring to fig. 1 and 2, the present utility model provides a stepping motor control device for testing a temperature control valve, which specifically includes:
the power supply system comprises a case 1, a first switching power supply 2, a second switching power supply 3, a switch 4, a ground terminal 5, a stepping motor driver, a programmable logic controller 10, an SM1222 module 11, a three-hole socket 12, a guide rail 13, a communication network port 14, a first stepping motor driver socket 15, a second stepping motor driver socket 16, a third stepping motor driver socket 17, a fourth stepping motor driver socket 18, a 220V power inlet wire interface 19, a circuit breaker 20, a second standby socket 21, a first standby socket 22, a 5V24V power outlet wire interface 23, a sensor 24, a touch screen 25, an operation indicator lamp 26, a power indicator lamp 27, a manual/automatic selection knob 28, a measuring machine selection knob 29, a start button 30 and a stop button 31.
Wherein:
the first switching power supply 2 is a 24V DC switching power supply, and the second switching power supply 3 is a 5V DC switching power supply.
The ground wire terminal 5 is arranged at the bottom of the case 1 and is connected with a ground wire;
the stepper motor driver comprises a first constant current control driver 6, a second constant current control driver 7, a third constant current control driver 8 and a fourth constant current control driver 9.
The programmable logic controller 10 is a CPU1214CDC/DC/DC programmable logic controller.
The guide rail 13 is installed at the bottom of the chassis 1, and the programmable logic controller 10, the SM1222 module 11 and the three-hole socket 12 are fixed on the guide rail 13 in a guide rail installation mode.
The touch screen 25 is a TPC7072Gi touch screen.
The chassis 1 is a cuboid, and includes a front panel and a rear panel, as shown in fig. 3, the rear panel is provided with a first stepper motor driver interface channel 15, a second stepper motor driver interface channel 16, a third stepper motor driver interface channel 17, a fourth stepper motor driver interface channel 18, an external power supply inlet 19, a first standby channel 21, a second standby channel 22, an internal power supply outlet 23, and a sensor wiring channel 24;
as shown in fig. 4, the front panel is provided with a touch screen 25, an operation indicator lamp 26, a power indicator lamp 27, a manual/automatic selection knob 28, a measuring machine selection knob 29, a start button 30, and a stop button 31.
The three-hole socket 12 is used for connecting an external 220V alternating current power supply, the output end of the three-hole socket 12 is connected with the primary side of the circuit breaker 20, and the secondary side of the circuit breaker 20 is connected with the input ends of the first switching power supply 2 and the second switching power supply 3;
the output end of the first switching power supply 2 is connected with the touch screen 25, the programmable logic controller 10 and the stepping motor driver;
the output end of the second switching power supply 3 is connected with a temperature control valve sensor through a sensor wiring channel 24.
The input end of the stepper motor driver is connected with a programmable logic controller 10, and the output ends of the first constant current control driver 6, the second constant current control driver 7, the third constant current control driver 8 and the fourth constant current control driver 9 are respectively connected with a temperature control valve sensor through a first stepper motor driver interface channel 15, a second stepper motor driver interface channel 16, a third stepper motor driver interface channel 17 and a fourth stepper motor driver interface channel 18 on the rear panel.
As shown in fig. 5 and 6, the first switching power supply 2 serves as a main power supply for the programmable logic controller 10, the touch screen 25, and the stepping motor drive board; the port v1+/V1-of the first switching power supply 2 is connected with the power supply input ends l+/M and 3l+/3M of the programmable logic controller 10, and the port v2+/V2-of the first switching power supply 2 is connected with the touch screen power supply input end L/N.
The second switching power supply 3 is used as a power supply of the temperature control valve sensor; the V-end of the second switching power supply 3 is connected with the analog input end of the programmable logic controller 10, and the V+ end of the second switching power supply 3 is connected with the temperature control valve sensor through the sensor wiring channel 24.
The stepping motor driver body power supply consists of two paths of power supplies, wherein one path of VCC (24 VDC)/GND 1 power supply is connected to a 24VDC terminal V2+/V2-; the other left side, namely the two channels VCC (1-28 VDC)/GND 2 of the first constant current control driver 6 and the second constant current control driver 7, are in power supply connection with the H-VCC1/H-GND1 port of the first switching power supply 2;
the dual channel VCC (1-28 VDC)/GND 2 supply of the third constant current control driver 8 and the fourth constant current control driver 9 is connected to the H-VCC2/H-GND2dua port of the second switching power supply 3.
The power indicator lamp 27 has one end connected to the N-terminal of the three-hole socket 12 and the other end connected to the secondary side 2 pin of the circuit breaker 20.
The operation indicator lamp 26 is connected to the Q1.0 terminal of the programmable logic controller 10 in a single-ended manner, and the other end is connected to the 3M terminal of the programmable logic controller 10;
the switch 4 is a data exchange platform, and the switch 4 is connected with a communication network port 14 and a touch screen 25 on the programmable logic controller 10 through RJ45 network cables; the exchanger 4 reserves redundant network ports for external equipment to carry out online program change.
One ends of the start button 30, the stop button 31, the manual/automatic selection knob 27 and the measuring machine selection knob 29 are respectively connected with input pins I0.0, I0.1, I1.0 and I1.1/I1.2 of the programmable logic controller 10 by a drain type input connection method; the other ends of the start button 30, stop button 31, manual/automatic selection knob 27, and measuring machine selection knob 29 are connected to a programmable logic controller 1024VDC output pin l+.
The analog input of the utility model is composed of analog input terminals 0 and 1, and a public end M and the analog input terminals 0 and 1 are led out from an aerial plug terminal of the temperature control valve sensor and are used for collecting the voltage of the temperature control valve sensor.
The digital quantity output of the utility model is composed of a terminal connected with a stepping motor driver and an operation indicator lamp 26, the terminal of the programmable logic controller 10 connected with the stepping motor driver comprises an enabling FREE, a pulse CP, a direction DIR and a MODE MODE, the terminal connected with the stepping motor driver needs to be pulled down by using a 2K resistor at the same time, and the connection MODEs of the first constant current control driver 6, the second constant current control driver 7, the third constant current control driver 8 and the fourth constant current control driver 9 are the same;
the added SM1222 module 11 is connected with the programmable logic controller 10, and as a supplement to the digital output port of the programmable logic controller 10, the SM1222 module 11 has 8 paths of digital outputs, the pulse output port can only use the digital output port of the programmable logic controller 10 body, and the SM1222 module 11 is used as the output port for enabling the FREE, the direction DIR and the MODE signals.
According to the utility model, the touch screen 25 and the programmable logic controller 10 are programmed, so that the touch screen 25 realizes the functions of inputting operation parameters and operation modes, the programmable logic controller 10 is further controlled to output control signals of the stepping motor driver according to the operation parameters and the operation modes, finally, the product to be tested is driven to operate according to the test requirement by the stepping motor driver, and the operation position of the product can be displayed on the touch screen in real time, so that the control requirement on the performance test of the product is realized.
The control button unit is arranged to realize the starting, stopping manual/automatic selection and the selection and control of the measuring machine of the stepping motor to be tested, further expand the functions of the device and promote the stability of the whole control device.
In summary, the utility model has simple operation, low cost, simple structure and strong functionality, is successfully applied to the control of product test, can meet the test requirement and effectively improves the test accuracy and efficiency.
The case 1 is provided with the running indicator lamp 26 and the power indicator lamp 27, the power condition of the display control device is displayed clearly in real time through the power indicator lamp 27, and the running condition of the display control device is displayed clearly in real time through the running indicator lamp 26, so that the further operation of operators is facilitated.
The stepping motor power interface is connected with external different direct current power supplies, so that the stepping motor power interface can be used for testing products of different power supply sections, and the application range of the control device is greatly expanded.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (10)
1. The stepping motor control device for temperature control valve test is characterized by comprising a case (1), a first switching power supply (2), a second switching power supply (3), a switch (4), a stepping motor driver and a programmable logic controller (10);
the case (1) is a cuboid and comprises a front panel and a rear panel, and a touch screen (25) is arranged on the front panel;
the stepping motor driver comprises a first constant current control driver (6), a second constant current control driver (7), a third constant current control driver (8) and a fourth constant current control driver (9);
the first switching power supply (2), the second switching power supply (3), the switch (4), the stepping motor driver and the programmable logic controller (10) are arranged in the case (1);
the input ends of the first switching power supply (2) and the second switching power supply (3) are connected with an external power supply; the output end of the first switching power supply (2) is provided with a touch screen (25) and a programmable logic controller (10);
the output end of the second switching power supply (3) penetrates through the rear panel to be connected with a temperature control valve sensor;
the first constant current control driver (6) and the second constant current control driver (7) are connected with the first switching power supply (2);
the third constant current control driver (8) and the fourth constant current control driver (9) are connected to the second switching power supply (3);
the input end of the stepping motor driver is connected with a programmable logic controller (10), and the output ends of the first constant current control driver (6), the second constant current control driver (7), the third constant current control driver (8) and the fourth constant current control driver (9) penetrate through the rear panel to be connected with a temperature control valve sensor;
the switch (4) is connected with the programmable logic controller (10) and the touch screen (25).
2. A stepper motor control device for temperature controlled valve testing according to claim 1, characterized in that the first switching power supply (2) and the second switching power supply (3) are respectively a 24V DC switching power supply and a 5V DC switching power supply.
3. A stepper motor control device for temperature controlled valve testing according to claim 1, characterized in that the programmable logic controller (10) is a CPU1214CDC/DC programmable logic controller;
the touch screen (25) is a TPC7072Gi touch screen.
4. A stepper motor control device for temperature controlled valve testing according to claim 1, further comprising a ground wire terminal (5), wherein the ground wire terminal (5) is mounted at the bottom of the chassis (1) and connected to a ground wire.
5. The stepping motor control device for temperature control valve test according to claim 1, further comprising a three-hole socket (12) and a circuit breaker (20), wherein the input ends of the first switching power supply (2) and the second switching power supply (3) are externally connected with a 220V alternating current power supply through the three-hole socket (12) and the circuit breaker (20);
the input end of the three-hole socket (12) is connected with a 220V alternating current power supply, the output end of the three-hole socket (12) is connected with the primary side of the circuit breaker (20), and the secondary side of the circuit breaker (20) is connected with the input ends of the first switching power supply (2) and the second switching power supply (3).
6. A stepper motor control device for temperature controlled valve testing as in claim 5, wherein the front panel is further provided with an operation indicator light (26) and a power indicator light (27);
one end of the running indicator lamp (26) is connected with the Q1.0 terminal of the programmable logic controller (10), and the other end of the running indicator lamp is connected with the 3M terminal of the programmable logic controller (10);
one end of the power indicator lamp (27) is connected to the N end of the three-hole socket (12), and the other end of the power indicator lamp (27) is connected to the secondary side 2 pin of the circuit breaker (20).
7. A stepper motor control device for temperature controlled valve testing according to claim 1, characterized in that the front panel is further provided with a manual/automatic selection knob (28), a measuring machine selection knob (29), a start button (30), a stop button (31);
the manual/automatic selection knob (28), the measuring machine selection knob (29), the starting button (30) and the stopping button (31) are connected with the programmable logic controller (10).
8. A stepper motor control device for temperature controlled valve testing according to claim 1, characterized in that the switch (4) is connected to the communication network port (14) on the programmable logic controller (10) through an RJ45 network cable.
9. A stepper motor control device for temperature controlled valve testing as defined in claim 1, wherein the programmable logic controller (10) is connected to the terminals of the stepper motor driver including enable FREE, pulse CP, direction DIR, MODE, and is connected to the terminals of the stepper motor driver while being pulled down using a 2K resistor.
10. The stepper motor control device for temperature controlled valve testing according to claim 9, further comprising an SM1222 module (11), wherein the programmable logic controller (10) is connected to the stepper motor driver through the SM1222 module (11);
the programmable logic controller (10) connects terminals of the stepper motor driver through the SM1222 module (11) including enable FREE, direction DIR, MODE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320348908.6U CN219872169U (en) | 2023-02-28 | 2023-02-28 | Stepping motor control device for temperature control valve test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320348908.6U CN219872169U (en) | 2023-02-28 | 2023-02-28 | Stepping motor control device for temperature control valve test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872169U true CN219872169U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320348908.6U Active CN219872169U (en) | 2023-02-28 | 2023-02-28 | Stepping motor control device for temperature control valve test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872169U (en) |
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2023
- 2023-02-28 CN CN202320348908.6U patent/CN219872169U/en active Active
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