CN205656292U - Electrotechnical instrument normal position measurement calibration hand -held type controller - Google Patents
Electrotechnical instrument normal position measurement calibration hand -held type controller Download PDFInfo
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- CN205656292U CN205656292U CN201620328605.8U CN201620328605U CN205656292U CN 205656292 U CN205656292 U CN 205656292U CN 201620328605 U CN201620328605 U CN 201620328605U CN 205656292 U CN205656292 U CN 205656292U
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- module
- circuit module
- decoding circuit
- calibration
- chip microcomputer
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Abstract
The utility model discloses an electrotechnical instrument normal position measurement calibration hand -held type controller, including interface circuit module, input controlling module, the decoding circuit module, the singlechip, display module and storage module, input controlling module for receive the operating personnel instruction, erupt simultaneously and give the decoding circuit module, the decoding circuit module for send for the singlechip after decodeing received operating instruction, the singlechip, be used for through interface circuit module and external equipment communication to the information that will need the storage, shows is sent respectively for storage module and display module. Due to the fact that the above technical scheme is adopted, the part that has significantly reduced, thus make the utility model discloses a volume dwindles greatly to light in weight is convenient for in narrow and small space operation, and is can be used to control multi -functional calibration source output valve.
Description
Technical field
This utility model belongs to measurement and calibration field, is specifically related to the original position metering of a kind of naval vessel electrical instrumentCalibrationController.
Background technology
State Intellectual Property Office discloses Publication No. 102594276A on July 18th, 2012, patent name is gain calibration system and the patent of gain calibration methods thereof of instrument amplifier, it is characterized in that including: amplifier, receive analog input signal, and export after signal amplification；Analog-digital converter, receives analog input signal and reference voltage, and is converted into digital signal output；Calibration voltage generative circuit, is resitstance voltage divider, it is provided that for multiple voltage signals of calibration, and as the reference voltage of described analog-digital converter；First switch arrays, select the segmentation voltage of described resitstance voltage divider is connected to the input of described amplifier or analog input signal is connected to when described instrument amplifier normally works the input of described amplifier；Second switch array, selects the summation input to described analog-digital converter of reference voltage or the output of described amplifier or each segmentation voltage of described resitstance voltage divider；Digital processing unit, is analyzed the result of described analog-digital converter being calculated corresponding instrument amplifier gain calibration coefficient.Owing to using the parts such as above-mentioned the first switch arrays, second switch array and analog-digital converter, the volume causing this calibration system is relatively big, is not suitable for each instrument carries out metering correction in working site.
Especially for naval vessel electrical instrument, it is ship navigation and carrier-borne each dynamical system, armament systems, the main basis for estimation of TT&C system running status, the performance indications quality of these measuring instruments directly affects the fighting capacity on naval vessel and the supportability that carries out, at present, naval vessel electrical instrument measurement and calibration mode has two kinds, is to march into the arena maintenance and on-the-spot measurement and calibration in situ in naval vessel respectively.Naval vessel maintenance mode of marching into the arena is used to bring electrical instrument disassembling section labor intensity big, after dismounting, installation reliability cannot ensure problem, but use on-the-spot measurement and calibration mode in situ, owing to electrical instrument distributed points is numerous, working place is narrow and small, standard device moves inconvenience, noise causes greatly the problems such as calibration personnel confusing communication, have a strong impact on the work efficiency carrying out electrical instrument scene, naval vessel measurement and calibration in situ.
Above-mentioned discussion content purpose is to introduce the various aspects of technology that may be relevant to the various aspects of the present utility model being described below and/or advocate to reader, believe that this discussion content contributes to as reader with background's information, to be conducive to being more fully understood that various aspects of the present utility model, therefore, should be appreciated that it is to discuss with this angle to read these rather than recognize prior art.
Utility model content
The purpose of this utility model is to provide oneElectrical instrument measurement and calibration hand-held controller in situ.Its simple in construction, volume are little, lightweight, it is possible to achieve the on-the-spot quick metering calibration in situ of electrical instrument.
For achieving the above object, this utility model be the technical scheme is that
Electrical instrument measurement and calibration hand-held controller in situ, including interface module, input control module, decoding circuit module, single-chip microcomputer, display module and memory module, described input control module, in order to receive operator's instruction, and it is sent to described decoding circuit module；Described decoding circuit module, in order to be sent to single-chip microcomputer after decoding the operational order received；Described single-chip microcomputer, in order to by described interface module and external device communication, and will need storage, the information of display to be sent respectively to memory module and display module.
Further, described input control module is keyboard circuit.
Further, described single-chip microcomputer is main control chip, uses 89C51 single-chip microcomputer.
Further, described interface module uses RS232 interface and communication cable.
The beneficial effects of the utility model:
Owing to have employed above-mentioned technical scheme, greatly reduce parts, so that volume of the present utility model is substantially reduced and lightweight, it is simple to operate at narrow space, and can be used for controlling multi-functional calibration source output valve.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is structured flowchart of the present utility model.
In figure: 1, interface module；2, input control module；3, decoding circuit module；4, single-chip microcomputer；5, display module；6, memory module；7, external equipment.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, with specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings, it should be noted that, in the case of not conflicting, the feature in embodiments herein and embodiment can be mutually combined.
As it is shown in figure 1,Electrical instrument measurement and calibration hand-held controller in situ, including interface module 1, input control module 2, decoding circuit module 3, single-chip microcomputer 4, display module 5 and memory module 6.Described interface module 1 is connected with single-chip microcomputer 4 and external equipment 7, described input control module 2 is connected with decoding circuit module 3, described decoding circuit module 3 is connected with input control module 2 and single-chip microcomputer 4, described single-chip microcomputer 4 is connected with interface module 1, decoding circuit module 3, display module 5 and memory module 6, and described display module 5 is connected with single-chip microcomputer, described memory module 6 is connected single-chip microcomputer and connects with single-chip microcomputer 4.
Described interface module 1 uses RS232 interface and communication cable, communicates with external equipment 7 for single-chip microcomputer 4.
Described input control module 2, uses keyboard circuit and integrated numeral, letter and functional keys keyboard, is used for receiving operator's instruction, and is sent to described decoding circuit module 3.
Described decoding circuit module 3, is sent to single-chip microcomputer 4 after decoding the operational order received.
Described single-chip microcomputer 4 is main control chip, use 89C51 single-chip microcomputer, for program control external equipment and will need storage, display information be sent respectively to memory module 6 and display module 5.
Described display module 5, uses liquid crystal display screen, for showing operation information and the measured value of external equipment 7.
Described memory module 6, uses rom chip, for storing device information and measured value.
Hand-held controller calibration is connected with multi-functional calibration source (external equipment) by communication cable, tested table is connected with multi-functional calibration source measurement port by two root length p-wires in the case of not dismantling, typing tested table information on hand-held controller calibration, according to " JJG 124-2005 voltmeter, ammeter, power meter and ohmmeter vertification regulation ", by hand-held controller coarse adjustment, the buttons such as fine tuning adjust multi-functional calibration source outputting standard voltage, electric current, the signal inputs such as frequency are to tested table, when tested list index aligns with master scale, read the show value on hand-held controller calibration and preserve, master scales all to tested table carry out measurement and calibration successively, after calibration, preserve data.By multi-functional calibration source is controlled, it is possible to achieve the on-the-spot quick metering calibration in situ to naval vessel electrical instrument.
Above description elaborates a lot of detail so that fully understanding this utility model, but, this utility model can be implemented, it is thus impossible to be interpreted as the restriction to this utility model protection domain to use other to be different from other modes described here.
In a word; although this utility model lists above-mentioned preferred implementation, but it should be mentioned that, although those skilled in the art can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present utility model, otherwise should be construed as being included in protection domain of the present utility model.
Claims (4)
1. an electrical instrument measurement and calibration hand-held controller in situ, it is characterized in that: include interface module, input control module, decoding circuit module, single-chip microcomputer, display module and memory module, described input control module, in order to receive operator's instruction, and it is sent to described decoding circuit module；Described decoding circuit module, in order to be sent to single-chip microcomputer after decoding the operational order received；Described single-chip microcomputer, in order to by described interface module and external device communication, and will need storage, the information of display to be sent respectively to memory module and display module.
Electrical instrument the most according to claim 1 measurement and calibration hand-held controller in situ, it is characterised in that: described input control module is keyboard circuit.
Electrical instrument the most according to claim 1 measurement and calibration hand-held controller in situ, it is characterised in that: described single-chip microcomputer is main control chip, uses 89C51 single-chip microcomputer.
Electrical instrument the most according to claim 1 measurement and calibration hand-held controller in situ, it is characterised in that: described interface module uses RS232 interface and communication cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328605.8U CN205656292U (en) | 2016-04-19 | 2016-04-19 | Electrotechnical instrument normal position measurement calibration hand -held type controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328605.8U CN205656292U (en) | 2016-04-19 | 2016-04-19 | Electrotechnical instrument normal position measurement calibration hand -held type controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205656292U true CN205656292U (en) | 2016-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620328605.8U Expired - Fee Related CN205656292U (en) | 2016-04-19 | 2016-04-19 | Electrotechnical instrument normal position measurement calibration hand -held type controller |
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| CN (1) | CN205656292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693083A (en) * | 2020-06-22 | 2020-09-22 | 安东仪器仪表检测有限公司 | Online temperature and humidity instrument in-situ calibration method |
-
2016
- 2016-04-19 CN CN201620328605.8U patent/CN205656292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693083A (en) * | 2020-06-22 | 2020-09-22 | 安东仪器仪表检测有限公司 | Online temperature and humidity instrument in-situ calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20170419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |