CN107420381B - A kind of caliberating device of servo valve temperature screen system - Google Patents
A kind of caliberating device of servo valve temperature screen system Download PDFInfo
- Publication number
- CN107420381B CN107420381B CN201710160718.0A CN201710160718A CN107420381B CN 107420381 B CN107420381 B CN 107420381B CN 201710160718 A CN201710160718 A CN 201710160718A CN 107420381 B CN107420381 B CN 107420381B
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- China
- Prior art keywords
- port
- calibration box
- vout
- vin
- multimeter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Abstract
The present invention discloses a kind of caliberating device of servo valve temperature screen system, including Calibration Box and multimeter；Calibration Box is equipped with the aviation plug connecting with industrial personal computer, the port Vin+, the port Vin-, the port Vout+, the port Vout-, the port R+, the port R-, the port I+, the port I- and the knob for adjusting resistance value；Slide rheostat is equipped with inside Calibration Box；The port Vin+ connects the output port of industrial personal computer with the port Vin-；The port Vout+ and the port Vout- can connect the voltage gear of multimeter；The port Vout+ and the port Vout- are respectively with the port Vin+ and the port Vin- in Calibration Box internal parallel and by following circuit connection aviation plug；The port R+ and the port R- can connect the resistance grade of multimeter；The port I+ and the port I- can connect the current gear of multimeter；Parallel circuit of one fixing end of the port R+ and slide rheostat inside Calibration Box and the port I- are connected in parallel to aviation plug, the port R- and the port I+ in the sliding end of Calibration Box internal parallel to slide rheostat.Present invention calibration mode is simple, easy to operate.
Description
Technical field
The present invention relates to voltage and current detections.More particularly, to a kind of caliberating device of servo valve temperature screen system.
Background technique
Servo valve temperature screen system includes industrial personal computer and hydraulic system, and industrial personal computer exports electric signal and controls hydraulic system, due to
Space flight servo valve needs long-time, high-frequency work, so needing the output to the industrial personal computer in servo valve temperature screen system electric
Pressure and electric current are demarcated, to meet the accurate running of space flight servo valve.The caliberating device of existing servo valve temperature screen system needs
Servo valve and associated hydraulic system are set in actual operation, can just be demarcated in the case where external power supply, and watch
The electric current for taking valve both ends is not easy to measure, and brings big inconvenience to staking-out work.
Accordingly, it is desirable to provide one kind can replace existing hydraulic system, servo valve temperature screen system can be demarcated at any time
Caliberating device.
Summary of the invention
The purpose of the present invention is to provide a kind of caliberating devices of servo valve temperature screen system.
In order to achieve the above objectives, the present invention adopts the following technical solutions：
A kind of caliberating device of servo valve temperature screen system, including Calibration Box and multimeter；
Calibration Box is equipped with the aviation plug connecting with the industrial personal computer in servo valve temperature screen system, is used for Calibration Box and industrial personal computer
Two-way signaling transmission；Slide rheostat is equipped with inside Calibration Box；Calibration Box is additionally provided with the port Vin+, the port Vin-, the end Vout+
Mouth, the port Vout-, the port R+, the port R-, the port I+, the port I- and adjust slide rheostat resistance value knob；
The port Vin+ connects the output port of industrial personal computer with the port Vin-, receives the voltage signal of industrial personal computer output；Vout+
Port and the port Vout- can connect the voltage gear of multimeter；The port Vout+ and the port Vout- respectively with the port Vin+ and Vin-
In Calibration Box internal parallel to the one end for following circuit, this follows the other end of circuit to connect aviation plug for port；
The port R+ and the port R- can connect the resistance grade of multimeter；The port I+ and the port I- can connect the electric current of multimeter
Shelves；Parallel circuit of one fixing end of the port R+ and slide rheostat inside Calibration Box inside Calibration Box with the port I- simultaneously
Aviation plug, the port R- and the port I+ are coupled in the sliding end of Calibration Box internal parallel to slide rheostat.
Preferably, the multimeter is desk-top multimeter.
Preferably, the analog circuit for following circuit as hydraulic system in servo valve temperature screen system.
Beneficial effects of the present invention are as follows：
Technical solution of the present invention is realized instead of the servo valve and its hydraulic system in existing real work, can mould
Quasi- real work state, demarcates industrial personal computer output voltage and electric current, and calibration mode is simple, and can be at any time in a variety of interference
Industrial personal computer output voltage and electric current are demarcated under existing situation.Further, technical solution of the present invention assembles and disassembles mode
Flexibly, operation flexibility is strong, easy to operate.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing；
Fig. 1 shows the internal structure chart of the Calibration Box in the caliberating device of servo valve temperature screen system.
Fig. 2 shows the voltages of the caliberating device of servo valve temperature screen system to demarcate connection figure.
Fig. 3 shows the resistance setting connection figure of the caliberating device of servo valve temperature screen system.
Fig. 4 shows the calibration with current signal connection figure of the caliberating device of servo valve temperature screen system.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
The caliberating device of servo valve temperature screen system disclosed by the invention, including Calibration Box and multimeter, multimeter are desk-top
Multimeter；
It is inserted as shown in Figure 1, the rear end of Calibration Box is equipped with the aviation connecting with the industrial personal computer in servo valve temperature screen system
First 1, it is transmitted for the two-way signaling of Calibration Box and industrial personal computer；Slide rheostat 2 is equipped with inside Calibration Box, the front end of Calibration Box has
The knob of the resistance value of port and an adjusting slide rheostat 2 equipped with eight jack forms, the port packet of eight jack forms
Include the port Vin+, the port Vin-, the port Vout+, the port Vout-, the port R+, the port R-, the port I+ and the port I-；
The port Vin+ and the port Vin- can connect the output port of industrial personal computer, receive the voltage signal of industrial personal computer output；
The port Vout+ and the port Vout- can connect the voltage gear of desk-top multimeter；The port Vout+ and the port Vout- respectively with the end Vin+
Mouth and the port Vin- follow one end of circuit in Calibration Box internal parallel to one, this follows the other end of circuit to connect aviation and inserts
First 1, it can be achieved that demarcate multiple detection signals, follows the simulation electricity that circuit is hydraulic system in servo valve temperature screen system
Road；When the port Vin+ connects with the port Vin- the output port of industrial personal computer and the port Vout+ connects desk-top general-purpose with the port Vout-
When the voltage gear of table, the output voltage for following the industrial personal computer of circuit through by the reading detection of the voltage gear of desk-top multimeter,
Industrial personal computer receives the output voltage by following the industrial personal computer of circuit by aviation plug 1 and detects the industry control by following circuit
The value of the output voltage of machine follows circuit according to the process that the reading of the voltage gear of desk-top multimeter and industry control machine testing obtain
The value of the output voltage of industrial personal computer is demarcated come the voltage exported to industrial personal computer；
The port R+ and the port R- can connect the resistance grade of desk-top multimeter, the accurate setting of resistance value be carried out, with simulated impedance
For fixed value；The port I+ and the port I- can connect the current gear of desk-top multimeter；One fixation of the port R+ and slide rheostat 2
The parallel circuit inside Calibration Box is held to be connected in parallel to aviation plug 1 with the port I- inside Calibration Box, the port R- and the port I+ exist
Calibration Box internal parallel to slide rheostat 2 sliding end；When the port R+ connects the resistance grade of desk-top multimeter with the port R-,
The resistance value of slide rheostat 2 is adjusted by the knob of Calibration Box, and the resistance value is shown by desk-top multimeter；As the port I+ and I-
When port connects the current gear of desk-top multimeter, slide rheostat 2 is passed through by the reading detection of the current gear of desk-top multimeter
Industrial personal computer output electric current, industrial personal computer by aviation plug 1 receive by slide rheostat 2 industrial personal computer output electric current simultaneously
The value of the output electric current of the industrial personal computer of slide rheostat 2 is passed through in detection, according to the reading of the current gear of desk-top multimeter and industry control
The value of the output electric current for the industrial personal computer by slide rheostat 2 that machine testing obtains is marked come the electric current exported to industrial personal computer
It is fixed.
As shown in Fig. 2, the port Vin+ and the port Vin- of Calibration Box are separately connected when demarcating the voltage of industrial personal computer output
The output port of industrial personal computer, the port Vout+ and the port Vout- of Calibration Box are separately connected the V Ω of the voltage gear of desk-top multimeter
Port and COM port.
As shown in figure 3, the port R+ and the port R- of Calibration Box are separately connected platform when setting the resistance value of slide rheostat 2
The port V Ω of the resistance grade of formula multimeter and COM port；As shown in figure 4, when demarcating the electric current of industrial personal computer output, Calibration Box
The port I+ and the port I- be separately connected desk-top multimeter current gear the port 100mA and COM port.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (3)
1. a kind of caliberating device of servo valve temperature screen system, which includes Calibration Box and multimeter, which is characterized in that
Calibration Box is equipped with the aviation plug connecting with the industrial personal computer in servo valve temperature screen system, pair for Calibration Box and industrial personal computer
It is transmitted to signal；Slide rheostat is equipped with inside Calibration Box；Calibration Box be additionally provided with the port Vin+, the port Vin-, the port Vout+,
The port Vout-, the port R+, the port R-, the port I+, the port I- and adjust slide rheostat resistance value knob；
The port Vin+ connects the output port of industrial personal computer with the port Vin-, receives the voltage signal of industrial personal computer output；The port Vout+
The voltage gear of multimeter can be connected with the port Vout-；The port Vout+ and the port Vout- respectively with the port Vin+ and the port Vin-
In Calibration Box internal parallel to the one end for following circuit, this follows the other end of circuit to connect aviation plug；
The port R+ and the port R- can connect the resistance grade of multimeter；The port I+ and the port I- can connect the current gear of multimeter；R+
Parallel circuit of one fixing end of port and slide rheostat inside Calibration Box is connected in parallel to inside Calibration Box with the port I-
The sliding end of aviation plug, the port R- and the port I+ in Calibration Box internal parallel to slide rheostat.
2. the caliberating device of servo valve temperature screen system according to claim 1, which is characterized in that the multimeter is desk-top
Multimeter.
3. the caliberating device of servo valve temperature screen system according to claim 1, which is characterized in that described to follow circuit to watch
Take the analog circuit of hydraulic system in valve temperature screen system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160718.0A CN107420381B (en) | 2017-03-17 | 2017-03-17 | A kind of caliberating device of servo valve temperature screen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160718.0A CN107420381B (en) | 2017-03-17 | 2017-03-17 | A kind of caliberating device of servo valve temperature screen system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107420381A CN107420381A (en) | 2017-12-01 |
| CN107420381B true CN107420381B (en) | 2018-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710160718.0A Expired - Fee Related CN107420381B (en) | 2017-03-17 | 2017-03-17 | A kind of caliberating device of servo valve temperature screen system |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1747380T3 (en) * | 2004-04-16 | 2011-09-26 | Festo Ag & Co Kg | Method for delineating errors and diagnosis in a fluid system |
| WO2007130215A2 (en) * | 2006-05-04 | 2007-11-15 | Parker Hannifin Corporation | Digital electronic process controller |
| US7562554B2 (en) * | 2006-08-31 | 2009-07-21 | Caterpillar Inc. | Method for calibrating independent metering valves |
| CN202033615U (en) * | 2011-01-05 | 2011-11-09 | 哈尔滨飞机工业集团有限责任公司 | Simulating and debugging box for servo control system |
| CN102553942A (en) * | 2011-12-31 | 2012-07-11 | 中冶南方（武汉）自动化有限公司 | Self-decoupling bending roll control method for leveling machine |
| CN103062164B (en) * | 2013-01-09 | 2015-05-13 | 中联重科股份有限公司 | Overload protection debugging control method, overload protection debugging control device, overload protection debugging control system and engineering machine |
| CN104101839A (en) * | 2013-04-09 | 2014-10-15 | 东莞钜威新能源有限公司 | Electric quantity detection system and electric quantity detection method |
| CN103353480A (en) * | 2013-07-09 | 2013-10-16 | 中国科学院声学研究所 | Automatic ultrasonic flaw detection method and device for locomotive wheel shaft |
| CN105092145B (en) * | 2015-05-27 | 2017-12-26 | 重庆川仪自动化股份有限公司 | Applied to the temperature and pressure compensation linear correction method on intelligent transducer |
| CN105179166B (en) * | 2015-06-26 | 2018-02-02 | 同济大学 | A kind of wind energy conversion system hydraulic variable-pitch system sampling frequency system of selection |
| CN205175369U (en) * | 2015-11-30 | 2016-04-20 | 广东核生科技有限公司 | Bidirectional's thickness measurement system |
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2017
- 2017-03-17 CN CN201710160718.0A patent/CN107420381B/en not_active Expired - Fee Related
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| CN107420381A (en) | 2017-12-01 |
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Granted publication date: 20181123 Termination date: 20190317 |