CN107202667A - A kind of core body compensating test automation equipment - Google Patents
A kind of core body compensating test automation equipment Download PDFInfo
- 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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- core body
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- compensating
- pinboard
- automation equipment
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 238000003860 storage Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000012800 visualization Methods 0.000 description 3
- 230000036757 core body temperature Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing 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
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.
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 |
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| Publication Number | Publication Date |
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| CN107202667A true CN107202667A (en) | 2017-09-26 |
Family
ID=59904894
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710161460.6A Pending CN107202667A (en) | 2017-03-17 | 2017-03-17 | A kind of core body compensating test automation equipment |
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Application publication date: 20170926 |