CN219068079U - Multipath independent current driven servo valve device - Google Patents
Multipath independent current driven servo valve device Download PDFInfo
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- CN219068079U CN219068079U CN202223003941.XU CN202223003941U CN219068079U CN 219068079 U CN219068079 U CN 219068079U CN 202223003941 U CN202223003941 U CN 202223003941U CN 219068079 U CN219068079 U CN 219068079U
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Abstract
The application provides a multichannel independent current drive servo valve device, includes: the first interface area is connected with external mains supply; the power supply area is connected with the first interface area and is used for rectifying the voltage accessed from the external mains supply; the current driving area is connected with the power supply area; the current driving area comprises multiple current driving plates, the multiple current driving plates work independently, and the circuit driving plates are used for driving the servo valve to work; the second interface area is connected with the current driving area and is used for being connected with a servo valve; the application provides a portable servo valve current drive device has realized the work of running-in batches of servo valve, and the device is small and exquisite light, is convenient for various occasions to use.
Description
Technical Field
The application belongs to the technical field of measurement and control, and particularly relates to a multipath independent current driving servo valve device.
Background
At present, in a servo valve running-in test, valve products are often required to be run in by means of servo valve testing equipment, only one valve product can be ground at a time, the production efficiency is low, resources of the servo valve testing equipment are occupied, and batch running-in of the servo valves is difficult to realize.
For this application, a separate, individually current driven and reliable device is designed specifically for the service valve running-in operation.
Therefore, the application provides a multi-path independent current-driven servo valve device which applies current to a servo valve coil to drive the servo valve to move in an idle or loaded mode and is used for running-in operation before delivery of the batch servo valves.
Disclosure of Invention
To the above technical problem, the present application provides a multichannel independent current driven servo valve device, the device includes:
the first interface area is connected with external mains supply;
the power supply area is connected with the first interface area and is used for rectifying the voltage accessed from the external mains supply;
the current driving area is connected with the power supply area; the current driving area comprises multiple current driving plates, the multiple current driving plates work independently, and the circuit driving plates are used for driving the servo valve to work;
and the second interface area is connected with the current driving area and is used for being connected with a servo valve.
Preferably, the apparatus further comprises:
the switch control area is arranged between the first interface area and the power supply area;
the power supply area comprises a first power supply module and a second power supply module, the first power supply module is connected with the second power supply module in parallel, and the first power supply module and the second power supply module are used for supplying power to the multipath current driving board.
Preferably, the apparatus further comprises:
and the current monitoring area is arranged between the current driving area and the second interface area.
Preferably, the apparatus further comprises:
the command output area is connected with the current driving area and is used for inputting a current control command to the current driving area.
Preferably, the apparatus further comprises:
and the voltage testing area is connected with the power supply area and the current driving area and is used for measuring the rectified voltage and the voltage of the current driving area.
Preferably, the apparatus further comprises:
and the safety area is arranged between the power supply area and the current driving area and is used for protecting the power supply area.
The beneficial technical effect of this application:
the application provides a portable servo valve current drive device has realized the work of running-in batches of servo valve, and the device is small and exquisite light, is convenient for various occasions to use.
Drawings
FIG. 1 is a schematic view of a front panel of a device provided in an embodiment of the present application;
FIG. 2 is a schematic view of a rear panel of the device provided in an embodiment of the present application;
FIG. 3 is a block diagram of an internal power supply area of a device provided in an embodiment of the present application;
FIG. 4 is a block diagram of a device according to an embodiment of the present application;
wherein: 1-pilot lamp, 2-switch, 3-ampere meter, 4-test hole, 5-current drive board, 6-strongback, 7-servo valve signal square socket, 8-220V signal socket, 9-control instruction signal socket, 10-internal power supply.
Detailed Description
In the servo valve running-in test, the current is applied to the servo valve coil, and the servo valve running-in work is completed in batch. The application adopts portable machine case as whole device shell, and inside comprises first interface district, second interface district, instruction output district, switch control district, power district, safety zone, current drive district, voltage test district and current monitoring district.
The first interface area and the second interface area comprise different series of aviation connectors; the instruction output area generates a control instruction signal by the instruction generation board; the power supply area is composed of a power supply module with the power supply of +/-15V and +/-30V, and is fixed in the device; the current monitoring area consists of a plurality of ampere meters with the same measuring range; the voltage test area consists of a plurality of indicator lamps and test holes; the current driving area is composed of a plurality of circuit driving boards.
In one possible implementation, the device operates as follows:
the signals at two ends of the servo valve product are connected into the driving device through the signal interface part, and the voltages at two ends of the detection coil can be detected through the panel test hole; the external 220V power supply is connected to the driving device through the signal interface part to drive the internal power supply part to generate +/-15V and +/-30V power supplies, the power supplies supply power to each path of servo valve driving module after passing through the power supply protection part, the external 220V power supply is controlled by the panel switch to be on-off, the servo valve signals are switched to the servo valve driving module after being connected to the chassis, and the current meter is connected in series to each path of signals to monitor the current in real time.
The application provides a portable servo valve current drive device has realized the work of running-in batches of servo valve. The device is small and light and is convenient for various occasions.
Specifically, the multi-channel servo valve is driven simultaneously, each channel is independent in structure, any channel fails, and normal operation of other channels is not affected. In the device, the current driving area consists of a plurality of current driving plates, each driving plate has consistent structure, can be exchanged, has stable and reliable current output, and has a protection function when a coil is short-circuited; the device has simple structure, is convenient to carry, and can cover running-in work of servo valves with different problems in a house; compared with the driving device circulated in the market, most of the driving devices are limited in driving capability and have special requirements for power supply, and the device provided by the utility model supplies power for external 220V and can be used in various places.
In other embodiments of the present application, referring to fig. 1-4, the device has a multi-path servo valve simultaneous driving function, and each path has an instrument display current.
The application will be further described with reference to the schematic diagrams of fig. 1, 2, 3 and 4. The first interface area is 220V signal socket 8, the switch control area is power switch 2, the power area is located in the device, the power is 10, the safety area is safety seat 6, the voltage test area is indicator light 1 and test hole 4, the current drive area is current drive board 5, the current monitor area is ammeter 3, the second interface area is servo valve signal socket 7, the instruction output area is instruction signal socket 9.
The multipath independent current driven servo valve device adopts a portable box as a shell, and the interior of the multipath independent current driven servo valve device is composed of a first interface area, a second interface area, an instruction output area, a switch control area, a power supply area, a safety area, a current driving area, a voltage testing area and a current monitoring area. The commercial power 220V is connected into the device through the first interface area and is used as a power supply input to be connected with each module of the power supply area through the switch control area, so that excitation of +/-15V and +/-30V is generated, and the excitation is shown in figure 3. The excitation signal is connected to the current driving area through the safety area, and is connected to the voltage testing area, and when the switch is turned on, the indicator lights are turned on and corresponding testing holes are measured through the three-purpose meter, so that the power output of each module can be detected to check whether the power supply is normal.
Furthermore, the outgoing line of the servo valve coil is connected into the device through the second interface area and finally connected into the current driving area through the current monitoring area, the whole current driving area is composed of a plurality of current driving boards, and the high signal, the low signal and the current sampling signal of each current driving board servo valve coil are connected into the voltage testing area. The external command is connected to the current driving area through the command output area, so as to control the output size of the whole current.
In other embodiments of the present application, the multiple independent current-driven servo valve device may perform running-in operations on servo valves of different types (servo valve resistance 1 Ω to 300 Ω) and current magnitudes (0 mA to ±40 mA). The running-in work control instruction can cover direct current, triangular wave and sine forms, the control frequency is within the range of 0-30 Hz, the range of the use example scene is wide, and the running-in work control instruction can be applied to meet the requirements.
Claims (6)
1. A multiple independent current driven servo valve device, said device comprising:
the first interface area is connected with external mains supply;
the power supply area is connected with the first interface area and is used for rectifying the voltage accessed from the external mains supply;
the current driving area is connected with the power supply area; the current driving area comprises multiple current driving plates, the multiple current driving plates work independently, and the current driving plates are used for driving the servo valve to work;
and the second interface area is connected with the current driving area and is used for being connected with a servo valve.
2. The multiple independent current driven servo valve apparatus of claim 1 wherein said apparatus further comprises:
the switch control area is arranged between the first interface area and the power supply area;
the power supply area comprises a first power supply module and a second power supply module, the first power supply module is connected with the second power supply module in parallel, and the first power supply module and the second power supply module are used for supplying power to the multipath current driving board.
3. The multiple independent current driven servo valve apparatus of claim 2 wherein said apparatus further comprises:
and the current monitoring area is arranged between the current driving area and the second interface area.
4. A multi-way independent current driven servo valve apparatus as in claim 3 wherein said apparatus further comprises:
the command output area is connected with the current driving area and is used for inputting a current control command to the current driving area.
5. The multiple independent current driven servo valve apparatus of claim 4 wherein said apparatus further comprises:
and the voltage testing area is connected with the power supply area and the current driving area and is used for measuring the rectified voltage and the voltage of the current driving area.
6. The multiple independent current driven servo valve apparatus of claim 5 wherein said apparatus further comprises:
and the safety area is arranged between the power supply area and the current driving area and is used for protecting the power supply area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003941.XU CN219068079U (en) | 2022-11-11 | 2022-11-11 | Multipath independent current driven servo valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003941.XU CN219068079U (en) | 2022-11-11 | 2022-11-11 | Multipath independent current driven servo valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219068079U true CN219068079U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223003941.XU Active CN219068079U (en) | 2022-11-11 | 2022-11-11 | Multipath independent current driven servo valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219068079U (en) |
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2022
- 2022-11-11 CN CN202223003941.XU patent/CN219068079U/en active Active
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