CN216767954U - Fault detection device of servo valve - Google Patents
Fault detection device of servo valve Download PDFInfo
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- CN216767954U CN216767954U CN202123434808.5U CN202123434808U CN216767954U CN 216767954 U CN216767954 U CN 216767954U CN 202123434808 U CN202123434808 U CN 202123434808U CN 216767954 U CN216767954 U CN 216767954U
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- power supply
- servo valve
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- box body
- meter
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Abstract
Embodiments of the present application provide a fault detection device of a servo valve, the device is connected between the servo valve and a servo valve control module, the device includes: a box body; the power supply voltage measuring meter is arranged in the box body and used for measuring a power supply voltage signal aiming at the servo valve; the enabling voltage measuring meter is arranged in the box body and used for measuring enabling voltage signals sent by the servo valve control module; the control current measuring meter is arranged in the box body and is used for measuring a control current signal sent by the servo valve control module; and the feedback current measuring meter is arranged in the box body and is used for measuring a feedback current signal sent by the servo valve. The application provides a technical scheme can short-term test and detect the servo valve trouble to a certain extent, reduces the influence of servo valve trouble to production.
Description
Technical Field
The application relates to the technical field of steel rolling equipment detection, in particular to a fault detection device of a servo valve.
Background
In rolling production process, when servo valve control goes wrong, can cause pile steel, card steel accident, because there is the analog output integrated circuit board in the aspect of the control, voltage changes current module, the analog input integrated circuit board of relay, feedback, there is built-in integrated circuit board among the servo valve, including control signal's the amplification and the output of feedback signal, it is comparatively complicated relatively, be difficult to distinguish the electronic component who goes wrong when the trouble, cause the down time of longer time, influence going on of rolling production.
Therefore, a technical solution for detecting a failure of a servo valve is urgently needed by those skilled in the art to quickly detect and detect a failure of a servo valve.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a fault detection device of servo valve, and then can short-term test and detect servo valve trouble to a certain extent at least, reduces the influence of servo valve trouble to production.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to an aspect of the present application, there is provided a fault detection apparatus of a servo valve, the apparatus being connected between the servo valve and a servo valve control module, the apparatus including: a case body; the power supply voltage measuring meter is arranged in the box body and is used for measuring a power supply voltage signal aiming at the servo valve; the enabling voltage measuring meter is arranged in the box body and is used for measuring enabling voltage signals sent by the servo valve control module; the control current measuring meter is arranged in the box body and used for measuring a control current signal sent by the servo valve control module; and the feedback current measuring meter is arranged in the box body and is used for measuring a feedback current signal sent by the servo valve.
In some embodiments of the present application, the apparatus further comprises: the outlet end is used for connecting the servo valve; and the wire inlet end is used for connecting the servo valve control module.
In some embodiments of the present application, the device further comprises a cable, and the outlet end and the inlet end are connected to the meter inside the box body through an internal wire of the cable.
In some embodiments of the present application, the outlet end and the inlet end are connected by a supply current wire, a supply voltage measuring wire, an enable voltage measuring wire, a control voltage wire, a control current measuring wire, a feedback current measuring wire in the cable; the power supply system comprises a power supply current lead, a power supply voltage measuring lead, an enabling voltage measuring meter, a control current measuring lead, a feedback current measuring lead and a power supply voltage measuring lead, wherein two ends of the power supply voltage measuring meter are respectively connected to the power supply current lead and the power supply voltage measuring lead, two ends of the enabling voltage measuring meter are respectively connected to the enabling voltage measuring lead and the power supply voltage measuring lead, the control current measuring meter is connected to the control current measuring lead, and the feedback current measuring meter is connected to the feedback current measuring lead.
In some embodiments of the present application, the apparatus further comprises: the instrument power supply is arranged in the box body and used for supplying power to the instruments in the box body; the first lamp switch that takes, first lamp switch that takes set up in the box body surface is used for control the power supply of instrument power to the instrument.
In some embodiments of the present application, the meter power supply includes a battery compartment and a rechargeable battery disposed within the battery compartment.
In some embodiments of the present application, the first lighted switch is a push-button, self-locking, water-resistant switch.
In some embodiments of the present application, the apparatus further comprises: the charging socket is arranged on the outer surface of the box body and is connected with the instrument power supply and an external power supply so as to charge the power supply; the second lamp switch that takes, set up in the surface of box body for the control is to the operation of charging of instrument power.
In some embodiments of the present application, the charging inlet is provided with a waterproof cap button.
In some embodiments of the present application, the second lighted switch is a push-button, self-locking, water-resistant switch.
Based on the scheme, the application has at least the following advantages or progress effects:
this application is through integrated supply voltage meter, enable voltage meter, control current meter and feedback current meter, can realize measuring a plurality of servo valve parameters simultaneously, and then can the short-term test servo valve the place that breaks down, and the technical staff in the field can make the reaction rapidly, shortens the valve body and is in the time of the stall, reduces the influence to production.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 illustrates a block diagram of a fault detection device for a servo valve in one embodiment of the present application;
FIG. 2 illustrates an internal wiring diagram of a fault detection device of a servo valve in one embodiment of the present application;
the drawings are specifically identified below:
101. a box body; 102. A supply voltage measuring meter;
103. enabling the voltage measuring meter; 104. Controlling a current measuring meter;
105. feeding back a current measuring meter; 106. A wire inlet end;
107. a wire outlet end; 108. A first lighted switch;
109. a charging jack; 110. A second lighted switch;
201. a supply current conductor 202, a supply voltage measurement conductor;
203. enabling a voltage measurement lead; 204. A control voltage conductor;
205. controlling a current measuring wire; 206. A feedback current measurement lead;
207. a ground wire; 208. A servo valve control module;
209. a control module terminal 210, a servo valve terminal;
211. a servo valve.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Next, the structure of the failure detection device of a servo valve in one embodiment of the present application will be described with reference to the drawings.
FIG. 1 illustrates a block diagram of a fault detection device for a servo valve in one embodiment of the present application; fig. 2 shows a schematic internal circuit diagram of a fault detection device of a servo valve in an embodiment of the present application.
Referring to fig. 1 and 2, the device may be connected between the servo valve 211 and the servo valve control module 208, and the device may include: a case 101; a supply voltage measuring meter 102, which may be disposed in the box 101, for measuring a supply voltage signal for the servo valve 211; the enabling voltage measuring meter 103 can be arranged in the box body 101 and is used for measuring enabling voltage signals sent by the servo valve control module; the control current measuring meter 104 can be arranged in the box body 101 and is used for measuring a control current signal sent by the servo valve control module; a feedback current measuring meter 105, which may be disposed in the box 101, is configured to measure a feedback current signal sent by the servo valve 211.
In the application, through integrating the power supply voltage measuring meter 102, the enabling voltage measuring meter 103, the control current measuring meter 104 and the feedback current measuring meter 105, the parameters of a plurality of servo valves can be measured simultaneously, and then the position where the servo valve breaks down can be detected quickly.
In the present application, the ranges of the supply voltage measuring meter 102 and the enable voltage measuring meter 103 may be 0 to 30V, and the ranges of the control current measuring meter 104 and the feedback current measuring meter 105 may be ± 20 mA.
With continued reference to fig. 1 and 2, the apparatus may further include: a line outlet 107, which may be used to connect the servo valve 211; the inlet line end 106 may be used to connect to the servo valve control module 208.
The device may also include a cable (not shown in fig. 1), and the outlet end 107 and the inlet end 106 are connected to the meter inside the box body 101 through the internal wires of the cable.
In the present application, the first lighted switch 108 may be a push button self-locking waterproof switch. Based on above-mentioned scheme, can further improve through setting up button auto-lock waterproof switch the factor of safety of device avoids taking place accidents such as electric shock at the higher operational environment of humidity.
In the present application, the apparatus may further include a meter power supply (not shown in fig. 1), which may be disposed within the case 101, for supplying power to a meter; the instrument power supply comprises a battery box and a rechargeable battery arranged in the battery box.
In the present application, the meter power supply may be a 9.6V dc power supply.
With continued reference to fig. 1, the apparatus may further include: a meter power supply (not shown in fig. 1) disposed within the case 101 for supplying power to a meter within the case 101; a first lighted switch 108, wherein the first lighted switch 108 can be disposed on an outer surface of the box 101 for controlling the power supply of the meter power source to the meter.
The instrument power supply may include a battery box and a rechargeable battery disposed in the battery box, and the first lighted switch 108 may be a push-button self-locking waterproof switch.
In the present application, the meter power supply may be a 9.6V dc power supply.
With continued reference to fig. 1, the apparatus may further include: a charging socket 109, which may be disposed on an outer surface of the case 101, for connecting the meter power supply and an external power supply to charge the power supply; and a second light switch 110 disposed on an outer surface of the case 101, for controlling a charging operation for the meter power supply.
In the present application, the charging inlet 109 may be provided with a waterproof cap button.
In the present application, the second lighted switch 110 may be a push button self-locking waterproof switch.
Based on above-mentioned scheme, this application can pass through box body 101 is inside to be set up chargeable instrument power, cooperates the waterproof switch of button auto-lock again to control the operation of charging, and it is right to add waterproof cap knot charging socket 109 protects, increases when the portability of device, still improved the security of device.
Next, the internal circuit of the failure detection device of the servo valve in one embodiment of the present application will be described with reference to the drawings.
Please refer to fig. 1 and fig. 2.
As shown in the figure, two ends of the same letter can be regarded as the same wire, the outlet end 107 and the inlet end 106 are respectively connected by a supply current wire 201, a supply voltage measuring wire 202, an enable voltage measuring wire 203, a control voltage wire 204, a control current measuring wire 205 and a feedback current measuring wire 206 in the cable, the other end of the inlet end 106 is connected to a control module 208 of a servo valve 211 through a control module terminal 209, and the outlet end 107 is connected to the servo valve 211 through a servo valve terminal 210.
In the present application, two ends of the supply voltage measuring meter 102 may be connected to the supply current conducting line 201 and the supply voltage measuring conducting line 202, two ends of the enabling voltage measuring meter 103 may be connected to the enabling voltage measuring conducting line 203 and the supply voltage measuring conducting line 202, respectively, the control current measuring meter 104 may be connected to the control current measuring conducting line 205, and the feedback current measuring meter 105 may be connected to the feedback current measuring conducting line 206.
In the present application, a ground wire 207 may also be provided to improve the safety of the device.
In order to make those skilled in the art understand the technical solutions provided in the present application more thoroughly, a method for using the fault detection device of the servo valve in one embodiment of the present application will be described below.
The method and the device can simultaneously measure the power supply voltage signal, the enabling voltage signal, the control current signal and the feedback current signal, and measure the electrical connection condition from the servo valve control module to the servo valve body on line.
When the servo valve control module outputs a control command and the hydraulic cylinder of the servo valve does not act, the following check can be carried out.
Reading from the fault detection device: the power supply voltage signal is a rated value, the enabling voltage signal is lower than the corresponding rated value by 5%, and the failure of the enabling signal loop of the servo valve can be described; if the supply voltage signal is lower than 5% of the corresponding rated value, the enabling voltage signal is normal, and the power supply circuit can be determined to be faulty.
Reading from the fault detection device: the power supply voltage signal and the enabling voltage signal are normal, the control current signal is inconsistent with a set value of the servo valve control module, and the fault of a control signal loop of the servo valve control module can be determined.
Reading from the fault detection device: the power supply voltage signal, the enabling voltage signal and the control current signal are normal, and the feedback current signal is lower than a corresponding rated value, so that the condition that a valve core feedback signal loop or a valve body of the servo valve has a fault can be determined.
Reading from the fault detection device: the power supply voltage signal, the enabling voltage signal, the control current signal and the feedback current signal are normal, the feedback current signal changes correspondingly, but the oil cylinder of the servo valve does not act or the pressure of the pressure measuring point is displayed abnormally, and the fault of the servo valve body can be determined preliminarily.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A servo valve failure detection apparatus connected between the servo valve and a servo valve control module, the apparatus comprising:
a case body;
the power supply voltage measuring meter is arranged in the box body and used for measuring a power supply voltage signal aiming at the servo valve;
the enabling voltage measuring meter is arranged in the box body and is used for measuring enabling voltage signals sent by the servo valve control module;
the control current measuring meter is arranged in the box body and is used for measuring a control current signal sent by the servo valve control module;
and the feedback current measuring meter is arranged in the box body and is used for measuring a feedback current signal sent by the servo valve.
2. The apparatus of claim 1, further comprising:
the outlet end is used for connecting the servo valve;
and the wire inlet end is used for connecting the servo valve control module.
3. The device of claim 2, further comprising a cable, wherein the outlet end and the inlet end are connected to instrumentation within the enclosure via internal conductors of the cable.
4. The apparatus of claim 3, wherein said outlet end and said inlet end are connected by a supply current conductor, a supply voltage measurement conductor, an enable voltage measurement conductor, a control voltage conductor, a control current measurement conductor, a feedback current measurement conductor in said cable;
the power supply system comprises a power supply current lead, a power supply voltage measuring lead, an enabling voltage measuring meter, a control current measuring lead, a feedback current measuring lead and a power supply voltage measuring lead, wherein two ends of the power supply voltage measuring meter are respectively connected to the power supply current lead and the power supply voltage measuring lead, two ends of the enabling voltage measuring meter are respectively connected to the enabling voltage measuring lead and the power supply voltage measuring lead, the control current measuring meter is connected to the control current measuring lead, and the feedback current measuring meter is connected to the feedback current measuring lead.
5. The apparatus of claim 1, further comprising:
the instrument power supply is arranged in the box body and used for supplying power to the instruments in the box body;
the first lamp-carrying switch is arranged on the outer surface of the box body and used for controlling the power supply of the instrument power supply to the instrument.
6. The device of claim 5, wherein the meter power supply comprises a battery compartment and a rechargeable battery disposed within the battery compartment.
7. The device of claim 5, wherein the first lighted switch is a push-button, self-locking, water-resistant switch.
8. The apparatus of claim 6, further comprising:
the charging socket is arranged on the outer surface of the box body and is connected with the instrument power supply and an external power supply so as to charge the power supply;
the second lamp switch that takes, set up in the surface of box body for the control is to the operation of charging of instrument power.
9. The device of claim 8, wherein the charging socket is provided with a waterproof cap button.
10. The device of claim 8, wherein the second lighted switch is a push button self-locking waterproof switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434808.5U CN216767954U (en) | 2021-12-30 | 2021-12-30 | Fault detection device of servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434808.5U CN216767954U (en) | 2021-12-30 | 2021-12-30 | Fault detection device of servo valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767954U true CN216767954U (en) | 2022-06-17 |
Family
ID=81970711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123434808.5U Active CN216767954U (en) | 2021-12-30 | 2021-12-30 | Fault detection device of servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767954U (en) |
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2021
- 2021-12-30 CN CN202123434808.5U patent/CN216767954U/en active Active
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