CN107202667A - A kind of core body compensating test automation equipment - Google Patents

A kind of core body compensating test automation equipment Download PDF

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Publication number
CN107202667A
CN107202667A CN201710161460.6A CN201710161460A CN107202667A CN 107202667 A CN107202667 A CN 107202667A CN 201710161460 A CN201710161460 A CN 201710161460A CN 107202667 A CN107202667 A CN 107202667A
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CN
China
Prior art keywords
core body
test
compensating
pinboard
automation equipment
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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.)
Pending
Application number
CN201710161460.6A
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Chinese (zh)
Inventor
彭成庆
焦祥锟
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NANJING GAOHUA TECHNOLOGY Co Ltd
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NANJING GAOHUA TECHNOLOGY Co Ltd
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Priority to CN201710161460.6A priority Critical patent/CN107202667A/en
Publication of CN107202667A publication Critical patent/CN107202667A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L25/00Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention relates to a kind of core body compensating test automation equipment, including:Core body frock welded plate, core body output signal is transferred to and is furnished with the test board of DB78 terminals, and core body signal is connected into DB78 terminal interfaces by PCB trace;DB78 test adaptor plates, the output interface of core body output signal is docked with automating the acquisition interface of compensating module;Compensating module is automated, core body output signal is gathered, and the backoff algorithm set according to inside modules calculates compensation network resistor value.Beneficial effect:Realize to multichannel core body compensating test, meet core body data acquisition, storage and mathematical operation, improve core body compensating test efficiency, realize the automation compensating test of core body.

Description

A kind of core body compensating test automation equipment
Technical field
The present invention relates to sensor test field, more particularly to a kind of core body compensating test automation equipment.
Background technology
Core body pressure sensor(That is, core body)It is that pressure-sensitive chip is encapsulated in stainless steel cavity, impressed pressure passes through film The silicone oil extruding pressure-sensitive chip of piece, inner sealing, is changed into ambient pressure the analog signal that can be perceived, while foreign objects Matter is not directly placed on pressure-sensitive chip, therefore the product can apply to various occasions, including severe Korrosionsmedium environment.
Core body compensating test needs to draw four road signals, respectively power supply Vin, ground connection GND, output Vout+ and output Vout-.Core body compensating test needs to provide the experimental situation such as pressure gas source and temperature.Core body is placed in metal frock and placed In temperature test chamber, it is possible to provide pressure source and temperature environment.Traditional core body compensating test uses manual testing, and test process overflows Long, the product rate that comes into force is low, it is impossible to meet modern business development requirement.
The content of the invention
Present invention aims to overcome that there is provided a kind of core body compensating test automation equipment, tool for the deficiencies in the prior art Body is realized by following technical scheme:
The core body compensating test automation equipment, including:
Core body frock welded plate, core body output signal is transferred to and is furnished with the test board of DB78 terminals, and core body signal is passed through PCB trace is connected to DB78 terminal interfaces;
DB78 test adaptor plates, the output interface of core body output signal is docked with automating the acquisition interface of compensating module,;
Compensating module is automated, core body output signal is gathered, and the backoff algorithm set according to inside modules calculates compensation net Network resistance value.
The further design of the core body compensating test automation equipment is that DB78 test adaptors plate passes through in PCB cloth Line realizes interconnection.
The further design of the core body compensating test automation equipment is that the core body frock welded plate will be by that will justify Hole row's pin female seat assigns into core body pin, realizes fast insert-pull;The female seat of core body frock welded plate is connected to pcb board by lead On, accordingly, on pcb board it is welded with 4P row's pins and DB78 elbow connectors.
The further design of the core body compensating test automation equipment is, the DB78 test adaptors plate is main by the One pinboard, the second pinboard and the 3rd pinboard composition, second pinboard are connected to PCB by DB78 connecting lines Plate, the first pinboard is connected with the second pinboard by Du Pont's line, and the first pinboard and the 3rd pinboard are connected by the grey winding displacements of 20P Connect;3rd pinboard is arranged in pci card groove, and connects outer core frock welded plate, the first switching by DB78 connecting lines Plate and the second pinboard connects through grey winding displacement in cabinet inside and Du Pont's line is attached.
The further design of the core body compensating test automation equipment is that automation compensating module includes:
A D signal gathering units, analog-to-digital conversion is carried out to the core body output signal that collects, and data signal is exported;
MCU processing units, are integrated with compensation resistance algorithm, receive the data signal, and obtain core according to the data signal Temperature compensation resistance values;
Relay group, the conducting and closing on control core body signal road, relay group is attached control with MCU by shift register System;
RS-485 serial ports, ancillary equipment is interacted with MCU processing units.
The further design of the core body compensating test automation equipment is, in addition to high-low temperature test chamber, high/low temperature Chamber is communicated to connect by the RS-485 serial ports and MCU processing units.
The further design of the core body compensating test automation equipment is, in addition to Mensor pressure effect instrument, Mensor pressure effect instrument is communicated to connect by the RS-485 serial ports and MCU processing units.
The further design of the core body compensating test automation equipment is that automation compensating module also includes memory The core body output signal that EEPROM, EEPROM storage are collected, realizes the storage and processing of gathered data.
Advantages of the present invention is as follows:
Realized the invention provides a kind of core body compensating test automation equipment to multichannel core body compensating test, meet core body number According to collection, storage and mathematical operation, core body compensating test efficiency is improved, the automation compensating test of core body is realized.The opposing party Face, achievable compensation process need not be participated in manually, realize visualization interface operation, mass core body compensating test;Enter simultaneously One step by setting up ancillary equipment can control source of the gas and humid test environment, and compensation network electricity is calculated according to gathered data Resistance, can effectively improve production efficiency, meet enterprise automation demand.
Brief description of the drawings
Fig. 1 is the connection diagram of the core body compensating test automation equipment of the present invention.
Fig. 2 is the frock welded plate schematic layout pattern of the present invention.
Fig. 3 is the DB78 test adaptor plate composition figures of the present invention.
Fig. 4 is DB78 the first test adaptor plate schematic layout patterns of the present invention.
Fig. 5 is DB78 the second test adaptor plate schematic layout patterns of the present invention.
Fig. 6 is the test adaptor plate schematic layout patterns of DB78 the 3rd of the present invention.
Fig. 7 is the circuit diagram of the MCU processing units of the present invention.
Embodiment
Such as Fig. 1, the core body compensating test automation equipment of the present embodiment, mainly by:Core body frock welded plate, DB78 tests Pinboard and automation compensating module composition.Wherein, core body frock welded plate, core body output signal is transferred to and is furnished with DB78 On the test board of terminal, core body signal is connected to DB78 terminal interfaces by PCB trace.DB78 test adaptor plates, by core body The output interface of output signal is docked with automating the acquisition interface of compensating module.Automate compensating module, collection core body output Signal, and the backoff algorithm set according to inside modules calculates compensation network resistor value.
Further, in the present embodiment, DB78 test adaptors plate is interconnected by being realized in PCB layout.
In order to realize fast insert-pull, the core body frock welded plate of the present embodiment by circular hole row's pin female seat by assigning into core body Pin, realizes fast insert-pull.The female seat of core body frock welded plate is connected on pcb board by lead, accordingly, is welded on pcb board It is connected to 4P row's pins and DB78 elbow connectors.Pcb board is laid out referring to Fig. 2, can survey #1 ~ #40 branch core bodys, high-volume test can be herein On the basis of be extended.
Such as Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the DB78 test adaptors plate of the present embodiment it is main by the first pinboard, second turn Fishplate bar and the 3rd pinboard composition.Second pinboard is connected to pcb board by DB78 connecting lines.First pinboard and second turn Fishplate bar is connected by Du Pont's line, and the first pinboard is connected with the 3rd pinboard by the grey winding displacements of 20P;3rd pinboard is arranged on machine In the pci card groove of case, outer core frock welded plate is connected by DB78 connecting lines;First and second pinboards are in cabinet inside Connect through grey winding displacement and Du Pont's line is attached.
Automate compensating module it is main by A D signal gathering units, MCU processing units, relay group and RS-485 go here and there Mouth composition.Wherein, A D signal gathering units, analog-to-digital conversion is carried out to the core body output signal that collects, and data signal is defeated Go out.MCU processing units, such as Fig. 7, are integrated with compensation resistance algorithm, receive the data signal, and obtain according to the data signal To core body temperature compensation resistance values.Relay group, is the conducting and closing for controlling core body signal road, relay group and MCU Control is attached by inside programming.RS-485 serial ports, ancillary equipment is interacted with MCU processing units, is carried out The experiment works such as the static temperature characteristic of core body, full warm area characteristic, temperature drift calculating.Above-mentioned all processes can pass through host computer Software, realizes that visualization interface is operated.Specifically combine Fig. 7, normally opened or normally closed, the relay at positive-negative-positive B772 control relay COM ends Device group.MCU select at89c2051 singlechip chips, peripheral circuit include X5045 watch dog monitoring circuits, 12MHz crystal resonators, And SN75LBC184 serial ports RS-485.
The core body compensating test automation equipment of the present embodiment also includes high-low temperature test chamber, and high-low temperature test chamber passes through institute State RS-485 serial ports to communicate to connect with MCU processing units, realize automatic lifting temperature.
The core body compensating test automation equipment of the present embodiment also includes Mensor pressure effect instrument, Mensor pressure effects Instrument is communicated to connect by above-mentioned RS-485 serial ports and MCU processing units, is realized automatic lifting air pressure, can be further advanced by change Humid test environment.
The core body compensating test automation equipment automation compensating module of the present embodiment also includes memory EEPROM, The core body output signal that EEPROM storages are collected, carries out data base administration by Access, realizes the storage and processing of data, Again by the compensating resistance calculation formula write in MCU, core body temperature compensation resistance values are obtained.
The core body compensating test automation equipment of the present embodiment is realized to multichannel core body compensating test, meets core body data Collection, storage and mathematical operation, improve core body compensating test efficiency, realize the automation compensating test of core body.On the other hand, Achievable compensation process need not be participated in manually, realize visualization interface operation, mass core body compensating test;Further simultaneously Can control source of the gas and humid test environment by setting up ancillary equipment, compensation network resistor is calculated according to gathered data Value, can effectively improve production efficiency, meet enterprise automation demand.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and this Inventive concept is subject to equivalent substitution or change, is all included within the scope of the present invention.

Claims (8)

1. a kind of core body compensating test automation equipment, it is characterised in that including:
Core body frock welded plate, core body output signal is transferred to and is furnished with the test board of DB78 terminals, and core body signal is passed through PCB trace is connected to DB78 terminal interfaces;
DB78 test adaptor plates, the output interface of core body output signal is docked with automating the acquisition interface of compensating module;
Compensating module is automated, core body output signal is gathered, and the backoff algorithm set according to inside modules calculates compensation net Network resistance value.
2. core body compensating test automation equipment according to claim 1, it is characterised in that DB78 test adaptor plates pass through Realize and interconnect in PCB layout.
3. core body compensating test automation equipment according to claim 1, it is characterised in that the core body frock welded plate By the way that circular hole row's pin female seat is assigned into core body pin, fast insert-pull is realized;The female seat of core body frock welded plate is connected by lead It is connected on pcb board, accordingly, on pcb board is welded with 4P row's pins and DB78 elbow connectors.
4. core body compensating test automation equipment according to claim 2, it is characterised in that the DB78 test adaptors plate Mainly it is made up of the first pinboard, the second pinboard and the 3rd pinboard, second pinboard is connected by DB78 connecting lines Pcb board is connected to, the first pinboard is connected with the second pinboard by Du Pont's line, the first pinboard and the 3rd pinboard pass through 20P Grey winding displacement connection;3rd pinboard is arranged in pci card groove, and connects outer core frock welded plate by DB78 connecting lines, First pinboard and the second pinboard connects through grey winding displacement in cabinet inside and Du Pont's line is attached.
5. core body compensating test automation equipment according to claim 1, it is characterised in that automation compensating module includes:
A D signal gathering units, analog-to-digital conversion is carried out to the core body output signal that collects, and data signal is exported;
MCU processing units, are integrated with compensation resistance algorithm, receive the data signal, and obtain core according to the data signal Temperature compensation resistance values;
Relay group, the conducting and closing on control core body signal road, relay group is attached control with MCU by shift register System;
RS-485 serial ports, ancillary equipment is interacted with MCU processing units.
6. core body compensating test automation equipment according to claim 5, it is characterised in that also including high-low temperature test chamber, High-low temperature test chamber is communicated to connect by the RS-485 serial ports and MCU processing units.
7. core body compensating test automation equipment according to claim 5, it is characterised in that also imitated including Mensor pressure Instrument is tested, Mensor pressure effect instrument is communicated to connect by the RS-485 serial ports and MCU processing units.
8. core body compensating test automation equipment according to claim 5, it is characterised in that automation compensating module is also wrapped The core body output signal that memory EEPROM, EEPROM storage is collected is included, the storage and processing of gathered data is realized.
CN201710161460.6A 2017-03-17 2017-03-17 A kind of core body compensating test automation equipment Pending CN107202667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710161460.6A CN107202667A (en) 2017-03-17 2017-03-17 A kind of core body compensating test automation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710161460.6A CN107202667A (en) 2017-03-17 2017-03-17 A kind of core body compensating test automation equipment

Publications (1)

Publication Number Publication Date
CN107202667A true CN107202667A (en) 2017-09-26

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CN204044813U (en) * 2014-07-31 2014-12-24 浪潮集团有限公司 A kind of USB turns SATA card extender
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* Cited by examiner, † Cited by third party
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US20010034865A1 (en) * 2000-04-19 2001-10-25 Samsung Electronics Co., Ltd. Method and apparatus for testing semiconductor devices using an actual board-type product
CA2576590A1 (en) * 2007-01-30 2008-07-30 Centre De Recherche Industrielle Du Quebec Test circuit board and method for testing a technology used to manufacture circuit board assemblies
CN101615320A (en) * 2009-07-30 2009-12-30 青岛海信智能商用设备有限公司 A kind of commercial cash register
CN202230471U (en) * 2011-10-12 2012-05-23 浪潮电子信息产业股份有限公司 Adapter test device for non-standard SATA (Serial Advanced Technology Attachment) interface and standard SATA interface
CN103048085A (en) * 2011-10-13 2013-04-17 江苏恩泰传感器有限公司 Temperature compensation system of pressure sensor and temperature compensation method thereof
CN102506982A (en) * 2011-10-19 2012-06-20 深圳市杰曼科技有限公司 Automatic compensating signal acquiring system
CN103837298A (en) * 2012-11-20 2014-06-04 大连睿科电子有限公司 Piezoresistive pressure sensor compensation test system
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CN106463098A (en) * 2016-07-26 2017-02-22 北京小米移动软件有限公司 Display device and motherboards applied to the display device

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Application publication date: 20170926