CN216816827U - Device capable of measuring and displaying input voltage of servo valve on line - Google Patents
Device capable of measuring and displaying input voltage of servo valve on line Download PDFInfo
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- CN216816827U CN216816827U CN202123231795.1U CN202123231795U CN216816827U CN 216816827 U CN216816827 U CN 216816827U CN 202123231795 U CN202123231795 U CN 202123231795U CN 216816827 U CN216816827 U CN 216816827U
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- servo valve
- direct current
- input voltage
- current voltmeter
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Abstract
The utility model belongs to the technical field of steel production equipment, and particularly relates to a device capable of measuring and displaying input voltage of a servo valve on line, which comprises a male plug of the servo valve, a direct-current voltmeter and a female plug of the servo valve; the servo valve male plug and the servo valve female plug are electrically connected through a 7-core cable, a positive electrode and a negative electrode of a power supply of the direct current voltmeter are electrically connected with the 7-core cable, and a signal output end and an input end of the direct current voltmeter are electrically connected with the 7-core cable. The device does not need to be independently supplied with power and uses a servo valve power supply; the normal action of the servo valve is not influenced by measurement; the voltage value can be directly displayed through the LED, the operation is simple and convenient, the judgment efficiency and quality of fault points are improved, and the LED voltage value display device is easy to popularize and use on a large scale.
Description
Technical Field
The utility model belongs to the technical field of steel production equipment, and particularly relates to a device capable of measuring and displaying input voltage of a servo valve on line.
Background
Many hydraulic devices in a plant are controlled using servo valves of the 10v voltage type. When the servo valve breaks down and the input voltage of the servo valve is measured by a multimeter, the input plug of the servo valve must be detached, and a corresponding contact pin is found for measurement. The mode is time-consuming and labor-consuming, the relation between the action of the servo valve and the voltage cannot be observed, and the fault point cannot be intuitively judged. Therefore, it is necessary to design a device for on-line measurement and display of the input voltage of the servo valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device capable of measuring and displaying the input voltage of a servo valve on line, which does not need to be supplied with power independently and uses a servo valve power supply; the measurement does not influence the normal action of the servo valve; the voltage value can be directly displayed through the LED, the operation is simple and convenient, the judgment efficiency and quality of fault points are improved, and the LED voltage value display device is easy to popularize and use on a large scale.
The technical scheme adopted by the utility model is as follows: a device capable of measuring and displaying input voltage of a servo valve on line comprises a male plug of the servo valve, a direct current voltmeter and a female plug of the servo valve; the servo valve male plug and the servo valve female plug are electrically connected through a 7-core cable, the positive electrode and the negative electrode of a power supply of the direct current voltmeter are electrically connected with the 7-core cable, and the signal output end and the signal input end of the direct current voltmeter are electrically connected with the 7-core cable.
Further, the direct current voltmeter is a four-wire system voltmeter.
Further, the rated voltage of the direct current voltmeter is +/-30V.
Further, the direct current voltmeter is a voltmeter provided with an LED display screen.
Furthermore, the male plug of the servo valve is the same type of plug as the tested servo valve.
Furthermore, the servo valve female plug is a socket with the same type as the tested servo valve.
The utility model has the beneficial effects that: the device capable of measuring and displaying the input voltage of the servo valve on line is provided, and the device does not need to be supplied with power independently and uses a servo valve power supply; the measurement does not influence the normal action of the servo valve; the voltage value can be directly displayed by the LED. The output voltage of the servo valve can be monitored on line in real time, the operation is simple, the plug and play is realized, the size is small, the carrying is convenient, the fault point can be judged according to the displayed output voltage and the actual action, the judgment efficiency and the quality of the fault point are improved, and the method is easy to popularize and use on a large scale.
Drawings
Fig. 1 is a schematic connection diagram of the first embodiment.
Detailed Description
Example one
Referring to fig. 1, the device for on-line measurement and display of the input voltage of the servo valve comprises a male plug 1 of the servo valve, a direct current voltmeter 2 and a female plug 3 of the servo valve; the servo valve male plug 1 and the servo valve female plug 3 are electrically connected through a 7-core cable, the positive and negative poles of a power supply of the direct current voltmeter 2 are electrically connected with the 7-core cable, and the signal output end and the signal input end of the direct current voltmeter 2 are electrically connected with the 7-core cable; the direct current voltmeter 2 is a four-wire system voltmeter, and the direct current voltmeter 2 is a voltmeter provided with an LED display screen; the male plug 1 of the servo valve is a plug of the same type as the servo valve to be tested, and the female plug 3 of the servo valve is a socket of the same type as the servo valve to be tested.
A socket and a plug of the same type of the servo valve correspond to welding connecting wires, a 4-wire +/-30 v miniature voltmeter is adopted as the voltmeter, and the preferred type is WR 2035-PB. The device does not need to be independently powered and uses a servo valve power supply; the measurement does not influence the normal action of the servo valve; the voltage value can be directly displayed through the LED, the operation is simple and convenient, the judgment efficiency and quality of fault points are improved, and the LED voltage value display device is easy to popularize and use on a large scale.
Claims (6)
1. The utility model provides a can on-line measurement show servo valve input voltage's device which characterized in that: the device comprises a servo valve male plug (1), a direct current voltmeter (2) and a servo valve female plug (3); the servo valve male plug (1) and the servo valve female plug (3) are electrically connected through a 7-core cable, the positive electrode and the negative electrode of the power supply of the direct current voltmeter (2) are electrically connected with a 7-core cable, and the signal output end and the input end of the direct current voltmeter (2) are electrically connected with the 7-core cable.
2. The device for on-line measurement and display of the input voltage of the servo valve according to claim 1, wherein: the direct current voltmeter (2) is a four-wire system voltmeter.
3. The device for on-line measurement and display of the input voltage of the servo valve according to claim 1, wherein: the rated voltage of the direct current voltmeter (2) is +/-30V.
4. The device for on-line measurement and display of the input voltage of the servo valve according to claim 1, wherein: the direct current voltmeter (2) is a voltmeter provided with an LED display screen.
5. The device for on-line measurement and display of the input voltage of the servo valve according to claim 1, wherein: the male plug (1) of the servo valve is the plug of the same type as the tested servo valve.
6. The device for on-line measurement and display of the input voltage of the servo valve according to claim 1, wherein: the servo valve female plug (3) is a socket with the same type as the servo valve to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231795.1U CN216816827U (en) | 2021-12-22 | 2021-12-22 | Device capable of measuring and displaying input voltage of servo valve on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231795.1U CN216816827U (en) | 2021-12-22 | 2021-12-22 | Device capable of measuring and displaying input voltage of servo valve on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216816827U true CN216816827U (en) | 2022-06-24 |
Family
ID=82054563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123231795.1U Active CN216816827U (en) | 2021-12-22 | 2021-12-22 | Device capable of measuring and displaying input voltage of servo valve on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216816827U (en) |
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2021
- 2021-12-22 CN CN202123231795.1U patent/CN216816827U/en active Active
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