CN206075664U - A kind of experimental teaching simple resistance strain type sensor calibration system device of self-control - Google Patents
A kind of experimental teaching simple resistance strain type sensor calibration system device of self-control Download PDFInfo
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- CN206075664U CN206075664U CN201620928820.1U CN201620928820U CN206075664U CN 206075664 U CN206075664 U CN 206075664U CN 201620928820 U CN201620928820 U CN 201620928820U CN 206075664 U CN206075664 U CN 206075664U
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- resistance strain
- type sensor
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- strain type
- flexible member
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Abstract
The utility model discloses a kind of experimental teaching simple resistance strain type sensor calibration system device of self-control, including the simple resistance strain type sensor of self-control, hook pallet, counterweight and resistance strain gauge, it is will to make simple resistance strain type sensor wire by oneself to be connected with the bridge of resistance strain gauge, it is hanging on steel bar flexible member stomidium with hook pallet, by increasing counterweight in the bottom tray of hook pallet come applying power, there is elastic deformation so as to cause steel bar flexible member, and then cause the change of resistance wire, physical signalling is changed to the signal of telecommunication, and then realize that the signal of telecommunication is pushed away to the counter of physical signalling, so, constitute a kind of experimental teaching and make simple resistance strain type sensor calibration system device by oneself.When experimental teaching, student is allowed to do it yourself to demarcate homemade simple resistance strain type sensor, the purpose of theory teaching can be reached, increased again student resource thinking and hands-on link, the calibration system device have simple operation, it is simple and practical the characteristics of.
Description
Technical field
This utility model is related in ore deposit pressure measuring technology experimental teaching, for entering rower to making resistance strain type sensor by oneself
Fixed apparatus system, particularly a kind of experimental teaching simple resistance strain type sensor calibration system device of self-control.
Background technology
In ore deposit pressure measuring technology experimental teaching, laboratory replaces mine pressure using the simple resistance strain type sensor of self-control
Sensor enters the operation principle of line sensor and calibration principle teaching, but student is doing it yourself to make the simple resistance of self-control
After strain gauge transducer, when carrying out experiment test with the simple resistance strain type sensor of self-control, in this case it is not apparent that be test for power
Size and test result data between corresponding relation, this be accomplished by oneself make sensor carry out demarcation verification, in
It is to be accomplished by a kind of simple resistance strain type sensor calibration system device of self-control.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of experimental teaching and makes simple resistance-strain type biography by oneself
Sensor calibration system device.
For achieving the above object, this utility model provides following technical scheme：This utility model includes making simple electricity by oneself
Resistance strain gauge transducer, hook pallet, counterweight and resistance strain gauge, the simple resistance strain type sensor of the self-control, including electricity
Resistance foil gauge, resistance strain gage egative film, resistance wire, foil gauge lead-out wire, wiring end plate, copper platinum wiring point, terminals disk chassis,
Wire, adhesive plaster, steel bar flexible member and steel bar flexible member stomidium, are that resistance strain gage glue is firmly pasted onto steel bar bullet
Property element middle position, obverse and reverse symmetrically respectively paste two resistance strain gages, thus, steel bar flexible member stress send out
During raw areal deformation, resistance strain gage also deforms therewith, and the resistance wire of the resistance strain gage of tension face is elongated, and resistance becomes big, receives
The resistance wire of the resistance strain gage of pressure surface shortens, and resistance diminishes, in the front end of resistance strain gage and the lower section of foil gauge lead-out wire
Round turn adhesive plaster, symmetrically respectively pastes a wiring end plate in the front end elevational and reverse side of adhesive plaster, for foil gauge lead-out wire and leading
The connection of line, due to the presence of adhesive plaster, when foil gauge lead-out wire is connected on the copper platinum wiring point of wiring end plate with wire, strain
Piece lead-out wire will not be turned on steel bar resilient element contacts；The hook pallet includes steel wire hook and bottom tray；The electricity
Resistance deformeter, including a quarter bridge joint drum, half-bridge patchboard, full-bridge patchboard, terminals, on and off switch, control knob
With signal numerical value display screen.It is by self-control letter that simple resistance strain type sensor calibration system device is made in a kind of experimental teaching by oneself
Easily resistance strain type sensor wire is connected with the bridge of resistance strain gauge, will make the bullet of simple resistance strain type sensor by oneself
/ 3rd length of property element one end are placed on experiment porch, and being pressed in this section with balancing weight fixes which, remaining
2/3rds length of section are hanging in atmosphere, and the balancing weight is long 150mm, width 100mm, the cuboid iron block of high 20mm.
It is hanging on the hanging section stomidium of steel bar flexible member with the steel wire hook of hook pallet, by the bottom tray of hook pallet
Increase counterweight to come to steel bar flexible member applying power, elastic deformation occurs so as to cause steel bar flexible member, and then causes resistance
The change of silk, in the bridge by wire transmission to resistance strain gauge, shows signal numerical value, by thing in signal numerical value display screen
Reason signal is changed to the signal of telecommunication, and then realizes that the signal of telecommunication is pushed away to the counter of physical signalling, thus, constituting a kind of experimental teaching self-control
Simple resistance strain type sensor calibration system device.
When experimental teaching carries out making by oneself simple resistance strain type sensor demarcation, student is divided into into three groups first, one group
It is raw to make the wire and the four of resistance strain gauge of a resistance strain gage lead-out wire connection of simple resistance strain type sensor by oneself
/ mono- bridge joint drum connects in terminals, will make 1/3rd of flexible member one end of simple resistance strain type sensor by oneself
Length is placed on experiment porch, and being pressed in this section with balancing weight fixes which, and 2/3rds length of remaining section are hanging
In atmosphere, it is hanging on the hanging section stomidium of steel bar flexible member with the steel wire hook of hook pallet, by hook pallet
Increase counterweight to come to steel bar flexible member applying power in bottom tray, elastic deformation occurs so as to cause steel bar flexible member, enters
And cause the change of resistance wire, by a quarter bridge of wire transmission to resistance strain gauge in, in signal numerical value display screen
Middle display signal numerical value, by physical signalling to the conversion of the signal of telecommunication, before starting to place counterweight, will show in signal numerical value display screen
The signal numerical value for showing resets, and then by the counterweight for adding 1-10g weight successively, the deformation of steel bar flexible member also and then increases,
The resistance wire of the resistance strain gage being pasted onto on steel bar flexible member tension face is elongated, the letter shown in signal numerical value display screen
Count value becomes big, records counterweight weight and corresponding signal numerical value, sets up rectangular coordinate system, is shown with signal numerical value display screen
Signal numerical value be Y-axis coordinate, with counterweight weight as X-axis coordinate, by coordinate relation curve, list its functional relation, enter
And pass through functional relation and realize that the signal of telecommunication is pushed away to the counter of physical signalling, thus, constituting a kind of simple electricity of experimental teaching self-control
Resistance strain gauge transducer calibration system..Likewise, other two groups will make by oneself respectively simple resistance strain type sensor wire with
The half-bridge patchboard and full-bridge patchboard of resistance strain gauge connects in terminals, thus, should the simple resistance of self-control has been explained
After the calibration principle of variant sensor and operating process, student is allowed to do it yourself to demarcate homemade simple resistance-strain type sensing
Device, can reach the purpose of theory teaching, and student can be allowed again to start to demarcate the simple resistance-strain type of self-control on the basis of understanding
Sensor, increased the link of student resource thinking and hands-on, and then can obtain more preferable class efficacy.
The experimental teaching is made simple resistance strain type sensor calibration system device by oneself and has simple operation, simple and practical
The characteristics of.
Description of the drawings
Fig. 1 is the simple resistance strain type sensor front view of self-control；
Fig. 2 is hook pallet front view；
Fig. 3 is counterweight front view；
Fig. 4 is resistance strain gauge front view；
Fig. 5 is the simple resistance strain type sensor calibration system device front view of self-control
Wherein, 1. make 3. resistance strain gage egative film of simple 2. resistance strain gage of resistance strain type sensor, 4. resistance wire by oneself
5. 6. wiring end plate of foil gauge lead-out wire, 7. 10. adhesive plaster of bronze medal platinum wiring point 8. terminals disk chassis, 9. wire, 11. steel bar
15. bottom tray of hook 14. steel wire hook of pallet of 12. steel bar flexible member stomidium of flexible member 13., 16. counterweight 17.
18. a quarter of resistance strain gauge bridge joint drum 19. half-bridge patchboard, 20. full-bridge patchboard, 21. terminals, 22. power supply
Switch 23. control knob, 24. 25. balancing weight of signal numerical value display screen, 26. experiment porch
Specific embodiment
Below in conjunction with the accompanying drawings, by the description to embodiment, this utility model is described further：
The simple resistance strain type sensor of self-control as shown in Figure 1, including resistance strain gage 2, wiring end plate 6, wire 9,
Adhesive plaster 10 and steel bar flexible member 11, the resistance strain gage 2 is by resistance strain gage egative film 3, resistance wire 4 and foil gauge lead-out wire
5 are constituted, and each resistance strain gage 2 contains two foil gauge lead-out wires 5；The wiring end plate 6 is by copper platinum wiring point 7 and terminals
Disk chassis 8 are constituted, and each wiring end plate 6 contains four copper platinum wiring points 7；It is to link up with pallet front view shown in Fig. 2, including steel wire
Hook 14 and bottom tray 15；It is counterweight front view shown in Fig. 3；It is resistance strain gauge front view shown in Fig. 4；Including a quarter
Bridge joint drum 18, half-bridge patchboard 19, full-bridge patchboard 20, terminals 21, on and off switch 22, control knob 23 and signal numerical value
Display screen 24；It is the simple resistance strain type sensor calibration system device front view of self-control shown in Fig. 5；A kind of experimental teaching is with certainly
Make simple resistance strain type sensor calibration system device, including make by oneself simple resistance strain type sensor 1, hook pallet 13,
Counterweight 16 and resistance strain gauge 17, it is described to make simple resistance strain type sensor 1 by oneself, including resistance strain gage 2, resistance strain gage
Egative film 3, resistance wire 4, foil gauge lead-out wire 5, wiring end plate 6, copper platinum wiring point 7, terminals disk chassis 8, wire 9, adhesive plaster 10,
Steel bar flexible member 11 and steel bar flexible member stomidium 12, are that resistance strain gage 2 is firmly pasted onto steel bar elasticity unit with glue
Two resistance strain gages 2 are symmetrically respectively pasted in the middle position of part 11, obverse and reverse, thus, in 11 stress of steel bar flexible member
During generation areal deformation, resistance strain gage 2 also deforms therewith, and the resistance wire 4 of the resistance strain gage 2 of tension face is elongated, and resistance becomes
Greatly, the resistance wire 4 of the resistance strain gage 2 of compression face shortens, and resistance diminishes, and draws in the front end of resistance strain gage 2 and foil gauge
The lower section round turn adhesive plaster 10 of line 5, symmetrically respectively pastes a wiring end plate 6 in the front end elevational and reverse side of adhesive plaster 10, for should
Become the connection of piece lead-out wire 5 and wire 9, due to the presence of adhesive plaster 10, the copper of foil gauge lead-out wire 5 and wire 9 in wiring end plate 6
When connecting on platinum wiring point 7, foil gauge lead-out wire 5 will not contact conducting with steel bar flexible member 11；The hook pallet 13 is wrapped
Include steel wire hook 14 and bottom tray 15；The resistance strain gauge 17, including a quarter bridge joint drum 18, half-bridge patchboard
19th, full-bridge patchboard 20, terminals 21, on and off switch 22, control knob 23 and signal numerical value display screen 24.A kind of experimental teaching
With make by oneself simple resistance strain type sensor calibration system device be will make by oneself simple resistance strain type sensor 1 wire 9 with
The bridge connection of resistance strain gauge 17, will make 1/3rd length of 11 one end of flexible member of simple resistance strain type sensor by oneself
Degree is placed on experiment porch 26, and being pressed in this section with balancing weight 25 fixes which, and 2/3rds length of remaining section are hanged
In atmosphere, the balancing weight 25 is long 150mm, width 100mm, the cuboid iron block of high 20mm to sky.With the steel of hook pallet 13
Silk hook 14 is hanging on steel bar flexible member free end stomidium 12, by increasing weight in the bottom tray 15 of hook pallet 13
Code 16 comes to 11 applying power of steel bar flexible member, elastic deformation occurs so as to cause steel bar flexible member 11, and then causes resistance
The change of silk 4, is transferred in the bridge of resistance strain gauge 17 by wire 9, shows signal number in signal numerical value display screen 24
Value, physical signalling is changed to the signal of telecommunication, and then realizes that the signal of telecommunication is pushed away to the counter of physical signalling, thus, constituting a kind of experiment religion
Learn with the simple resistance strain type sensor calibration system device of self-control.
When experimental teaching carries out making by oneself simple resistance strain type sensor demarcation, student is divided into into three groups first, one group
The raw wire 9 that a resistance strain gage lead-out wire 5 for making simple resistance strain type sensor 1 by oneself is connected and resistance strain gauge 17
A quarter bridge joint drum 18 connect in terminals 21,11 one end of flexible member of simple resistance strain type sensor will be made by oneself
1/3rd length be placed on experiment porch 26, and being pressed in this section with balancing weight 25 fixes which, the three of remaining section
/ bis- length are hanging in atmosphere, are hanging to steel bar flexible member free end stomidium 12 with the steel wire hook 14 of hook pallet 13
On, by increasing counterweight 16 in the bottom tray 15 of hook pallet 13 come to 11 applying power of steel bar flexible member, so as to cause
The generation elastic deformation of steel bar flexible member 11, and then cause the change of resistance wire 4, resistance strain gauge 17 is transferred to by wire 9
A quarter bridge in, show signal numerical value in signal numerical value display screen 24, by physical signalling to the conversion of the signal of telecommunication, open
Before beginning to place counterweight 16, the signal numerical value shown in signal numerical value display screen 24 is reset, it is then heavy by 1-10g is added successively
The counterweight 16 of amount, the deformation of steel bar flexible member 11 also and then increase, the resistance being pasted onto on 11 tension face of steel bar flexible member
The resistance wire 4 of foil gauge 2 is elongated, and the signal numerical value shown in signal numerical value display screen 24 becomes big, records 16 weight of counterweight
With corresponding signal numerical value, set up rectangular coordinate system, with signal numerical value display screen 24 show signal numerical value as Y-axis coordinate, with
Counterweight weight is X-axis coordinate, by coordinate relation curve, lists its functional relation, and then realizes electricity by functional relation
Signal is pushed away to the counter of physical signalling, thus, constituting a kind of experimental teaching simple resistance strain type sensor calibration system of self-control.
Likewise, other two groups will be made by oneself the half-bridge wiring of simple resistance strain type sensor 1 wire 9 and resistance strain gauge 17 respectively
Disk 19 and full-bridge patchboard 20 connect in terminals 21, thus, in the mark for having explained the simple resistance strain type sensor of self-control 1
After determining principle and operating process, allow student to do it yourself to demarcate homemade simple resistance strain type sensor, reason can be reached
By the purpose of teaching, student can be allowed again to start to demarcate the simple resistance strain type sensor 1 of self-control on the basis of understanding, be increased
Student resource thinks deeply the link with hands-on, and then can obtain more preferable class efficacy.
Using above-mentioned technical proposal, a kind of experimental teaching simple resistance strain type sensor calibration system device of self-control,
Including simple resistance strain type sensor, hook pallet, counterweight and resistance strain gauge is made by oneself, a kind of experimental teaching is simple with self-control
Resistance strain type sensor calibration system device is will to make simple resistance strain type sensor wire and resistance strain gauge by oneself
Bridge connects, and 1/3rd length for making flexible member one end of simple resistance strain type sensor by oneself are placed on experiment porch
On, and being pressed in this section with balancing weight fixes which, 2/3rds length of remaining section are hanging in atmosphere, with hook pallet
Steel wire hook be hanging on steel bar flexible member free end stomidium, by hook pallet bottom tray on increase counterweight come
To steel bar flexible member applying power, there is elastic deformation so as to cause steel bar flexible member, and then cause the change of resistance wire, lead to
Wire transmission is crossed in the bridge of resistance strain gauge, signal numerical value is shown in signal numerical value display screen, so as to realize that physics is believed
Number to the signal of telecommunication conversion, and then pushed away to the counter of physical signalling by the signal of telecommunication, thus, constituting a kind of experimental teaching self-control letter
Easy resistance strain type sensor calibration system device.When experimental teaching carries out making by oneself simple resistance strain type sensor demarcation,
The wire of the resistance strain gage lead-out wire connection of simple resistance strain type sensor and the bridge wiring of resistance strain gauge will be made by oneself
Disk connects in terminals, and 1/3rd length for making flexible member one end of simple resistance strain type sensor by oneself are placed on reality
Test on platform, and being pressed in this section with balancing weight fixes which, 2/3rds length of remaining section are hanging in atmosphere, with extension
The steel wire hook of hook pallet is hanging on steel bar flexible member free end stomidium, by increasing in the bottom tray of hook pallet
Counterweight comes to steel bar flexible member applying power, elastic deformation occurs so as to cause steel bar flexible member, and then causes resistance wire
Change, in the bridge by wire transmission to resistance strain gauge, shows signal numerical value, so as to realize in signal numerical value display screen
Conversion of the physical signalling to the signal of telecommunication, before starting to place counterweight, the signal numerical value shown in signal numerical value display screen is reset,
Then by the counterweight for adding 1-10g weight successively, the deformation of steel bar flexible member also and then increases, and is pasted onto steel bar flexible member
The resistance wire of the resistance strain gage on tension face is elongated, and the signal numerical value shown in signal numerical value display screen becomes big, records
Counterweight weight and corresponding signal numerical value, set up rectangular coordinate system, are sat with the signal numerical value that signal numerical value display screen shows as Y-axis
Mark, with counterweight weight as X-axis coordinate, by coordinate relation curve, lists its functional relation, and then passes through functional relation reality
The existing signal of telecommunication is pushed away to the counter of physical signalling, thus, constitute a kind of experimental teaching simple resistance strain type sensor of self-control demarcating
System.After the operation principle and operating process for having explained resistance strain type sensor demarcation, student is allowed to do it yourself to demarcate
Homemade simple resistance strain type sensor, can reach the purpose of theory teaching, increased student resource thinking again and start
The link of operation, and then more preferable class efficacy can be obtained.The experimental teaching is demarcated with the simple resistance strain type sensor of self-control
System and device have simple operation, it is simple and practical the characteristics of.
Above-described is only preferred implementation of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of design being created without departing from this utility model, can also make some deformations and improvement, these all belong to
In protection domain of the present utility model.
Claims (1)
1. a kind of experimental teaching simple resistance strain type sensor calibration system device of self-control, including the simple resistance-strain of self-control
Formula sensor (1), hook pallet (13), counterweight (16) and resistance strain gauge (17), it is characterised in that：It is described to make simple resistance by oneself
Strain gauge transducer calibration system device, is will to make simple resistance strain type sensor (1) by oneself with wire (9) and resistance strain gauge
(17) bridge connection, 1/3rd length for making flexible member (11) one end of simple resistance strain type sensor by oneself are placed on
On experiment porch (26), and being pressed in this section with balancing weight (25) fixes which, and 2/3rds length of remaining section vacantly exist
In air, it is hanging on steel bar flexible member stomidium (12) with the steel wire hook (14) of hook pallet (13), by hook support
Increase counterweight (16) to come to steel bar flexible member (11) applying power in the bottom tray (15) of disk (13), so as to cause steel bar elasticity
Element (11) generation elastic deformation, and then cause the change of resistance wire (4), resistance strain gauge (17) is transferred to by wire (9)
Bridge in, signal numerical value is shown in signal numerical value display screen (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928820.1U CN206075664U (en) | 2016-08-23 | 2016-08-23 | A kind of experimental teaching simple resistance strain type sensor calibration system device of self-control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928820.1U CN206075664U (en) | 2016-08-23 | 2016-08-23 | A kind of experimental teaching simple resistance strain type sensor calibration system device of self-control |
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| Publication Number | Publication Date |
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| CN206075664U true CN206075664U (en) | 2017-04-05 |
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| CN201620928820.1U Expired - Fee Related CN206075664U (en) | 2016-08-23 | 2016-08-23 | A kind of experimental teaching simple resistance strain type sensor calibration system device of self-control |
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| CN (1) | CN206075664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205310A (en) * | 2016-08-23 | 2016-12-07 | 安徽理工大学 | Simple resistance strain type sensor calibration system device and scaling method are made in a kind of experimental teaching by oneself |
-
2016
- 2016-08-23 CN CN201620928820.1U patent/CN206075664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205310A (en) * | 2016-08-23 | 2016-12-07 | 安徽理工大学 | Simple resistance strain type sensor calibration system device and scaling method are made in a kind of experimental teaching by oneself |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20170823 |