CN209069446U - A kind of integrated apparatus of resistance strain gauge and high low temperature cycles test case - Google Patents
A kind of integrated apparatus of resistance strain gauge and high low temperature cycles test case Download PDFInfo
- Publication number
- CN209069446U CN209069446U CN201822053754.XU CN201822053754U CN209069446U CN 209069446 U CN209069446 U CN 209069446U CN 201822053754 U CN201822053754 U CN 201822053754U CN 209069446 U CN209069446 U CN 209069446U
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- China
- Prior art keywords
- low temperature
- high low
- test case
- integrated apparatus
- temperature cycles
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses the integrated apparatus of a kind of resistance strain gauge and high low temperature cycles test case, Static Electro resistive deformeter and data gathering system are set to inside high/low temperature alternation box body by the device, keep equipment integrated, reduce the preparation of test process, simplify testing process, tests more simple to operation；By touching display screen can the accurate intracorporal temperature of control cabinet being capable of observation experiment data in real time by display screen so that measure the foil gauge situation of change at each temperature；The data that will test are transmitted to PC terminal by USB interface, no longer using the artificial traditional approach for reading numeration, improve work efficiency, reduce working strength, while observing data, are convenient for relevant calculation.
Description
[technical field]
The utility model belongs to sub-surface stabilized with inorganic binder material temperature contracting test field more particularly to a kind of resistance
Deformeter and the case integrated device of high low temperature cycles test.
[background technique]
For many years, the semi-rigid type base that China's sub-surface mostly uses stabilized with inorganic binder material to build, inorganic combination
Expect temperature sensitive properties of the stabilizing material due to itself, Pavement on Semi-rigid Type Base is caused temperature shrinkage fracture, Jin Erying often occur
Ring the service level and service life of road.For reduce stabilized with inorganic binder material base layer by temperature change negative effect,
It is extremely important to measure its constriction coefficient in temperature change.
The stabilized with inorganic binder material temperature contracting test method recommended in current specifications is instrument method and strain gauge method, strain
Piece method is mostly used by testing crew due to preferable operability and accuracy.But instrument and equipment involved in during this test
More, complicated for operation and process is various, generally requires more people's cooperations.
[utility model content]
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of resistance strain gauge and high/low temperature
The case integrated device of Alternating Test；The device is by combining resistance strain gauge and high low temperature cycles test case, to solve to strain
The problems such as piece method temperature contracting test Instrumental equipment is more, complicated for operation.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of integrated apparatus of resistance strain gauge and high low temperature cycles test case, which is characterized in that including cabinet, cabinet
It is inside provided with operating room, several signal paths are provided on the side wall of operating room, are fixedly installed resistance wire in operating room；Work
The outside for making room is chamber door, and chamber door is connected with body pivot；Cabinet is provided with operation display area by chamber door；
Touching display screen, switch control knob, operation panel and USB interface are provided in operation display area；It is touch
Display screen is for controlling the indoor resistance wire power of work, and switch control knob is for powering on, and operation panel is for operating
And signal path is controlled, USB interface is connected to PC terminal；
When beam specimen is in operating room, a foil gauge is respectively pasted in two opposing sidewalls of beam specimen, it is each
The strain data of a foil gauge is transmitted to signal path by connecting line.
Further improvement of the utility model is:
Preferably, working signal lamp is provided in operation display area.
Preferably, be provided with LED display in operation display area, the test data that is collected into for channel indication signal and
The working condition of signal path.
Preferably, one end of each foil gauge is connected with 2 leads, and the other end of 2 leads is commonly connected to
In the cylindrical mouth of collets, the collets and strain gauge adhesion are on the same side wall of beam specimen；Each collets
The other end is connected to connecting line.
Preferably, collets are in the underface or surface of foil gauge.
Preferably, the intermediate position of chamber door offers observation window.
Preferably, beam specimen is inorganic binder, and foil gauge is conductor or semiconductor material.
Compared with prior art, the utility model has the following beneficial effects:
The utility model discloses the integrated apparatus of a kind of resistance strain gauge and high low temperature cycles test case, which will
Static Electro resistive deformeter and data gathering system are set to inside high/low temperature alternation box body, are kept equipment integrated, are reduced and survey
The preparation of examination process simplifies testing process, tests more simple to operation；It being capable of accurate control cabinet by touching display screen
Intracorporal temperature, so that the foil gauge situation of change at each temperature is measured, it being capable of real-time observation experiment data by display screen；
The data that will test are transmitted to PC terminal by USB interface, no longer using the artificial traditional approach for reading numeration, improve work
Efficiency reduces working strength, while observing data, is convenient for relevant calculation.
Further, working signal lamp is convenient for the operating condition of observation device.
Further, operation display area being capable of the work shape of test data and signal path that is collected into of channel indication signal
State.
Further, beam specimen, foil gauge and signal path are connected using connecting line and collets, has given up use
The traditional approach of the artificial welding lead such as electric iron, scolding tin, reduces the complexity and triviality of test.
Further, observation window is provided on chamber door, the case where observation test specimen convenient to carry out.
[Detailed description of the invention]
Fig. 1 is the three dimensional structure diagram of the utility model；
Fig. 2 is the location diagram of inorganic binder beam specimen and foil gauge, collets and connecting wire；
Fig. 3 is the drawing of operation display area；
Fig. 4 is the working principle block diagram of the utility model.
Wherein: 1- cabinet；2- chamber door；3- observation window；4- door handle；The operating room 5-；6- connecting line；7- signal path；8-
Beam specimen；9- foil gauge；10- lead；11- collets；12- cylindrical mouth；13- touching display screen；14- working signal lamp；
15- switch control knob；16-LED display screen；17- operation panel；18-USB interface；The operation display area 19-.
[specific embodiment]
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, the utility model discloses the integrated apparatus of a kind of resistance strain gauge and high low temperature cycles test case；
The device includes cabinet 1, chamber door 2, observation window 3, door handle 4, operating room 5, signal path 7, touching display screen 13, work letter
Signal lamp 14, switch control knob 15, LED display 16, operation panel 17, usb 18.
Referring to Fig. 1, chamber door 2 is provided on cabinet 1, the intermediate position of chamber door 2 offers vitreous observation window 3, chamber door 2
Outside is provided with door handle 4；In cabinet 1, the inside of chamber door 2 offers operating room 5, has larger space in operating room 5, to place
Inorganic binder beam specimen 8,5 when work in be provided with resistance wire for heating, be provided on the side wall of operating room 5 multiple
Signal path 7, signal path 7 belong to static resistance deformeter；
Referring to Fig. 3, operation display area 19 is provided on cabinet 1 by chamber door 2, is provided in operation display area 19 touch
Display screen 13, working signal lamp 14, switch control knob 15, LED display 16, operation panel 17 and usb 18；It is touch
Display screen 13 belongs to high/low temperature alternation case, for controlling and showing the temperature in operating room 5；Working signal lamp 14 is for indicating whole
Whether a device works normally, altogether there are three, when working properly, working signal lamp 14 lights, when device can not work, work
Make the flashing of signal lamp 14；Switch control knob 15 connects circuit for controlling whole device；16 channel indication signal of LED display
The contraction strain data of 7 foil gauges 9 being collected into and the working condition of signal path 7, the contraction strain data pass through Static Electro
The data processing system of resistance deformeter records and counts the values of shrinkage strain of the corresponding multiple foil gauges 9 of multiple beam specimens 8,
And seek average shrinkage strain value；During the test, because LED display 16 is only able to display the contraction strain of a small amount of foil gauge 9
Value carries out unlike signal channel by operation panel 17 when operator needs to check the contraction strain data of multiple foil gauges 9
7 switching；When the contraction strain data of some foil gauge 9 of operator's discovery display are more beyond normal range (NR), explanation
There is accidental (artificial) error in the test, need that test links are checked and corrected；LED display 16 can also be shown
Show the data processed result of data processing system, i.e. average shrinkage strain value；The test data that signal path 7 is collected into passes through
Usb 18 is transferred to PC terminal.
Beam specimen 8 is inorganic binder；Foil gauge 9 is conductor or semiconductor material, each foil gauge 9 has 2 fibres
Thin lead 10, collets 11 are located at the other side of lead 10, and the lead 10 of foil gauge 9 is connected into the cylindrical mouth 12 of collets 11
It is interior；Two foil gauges 9 are distinguished into sticker on 8 two sides of beam specimen with 502 glue when use, are consolidated collets 11 using 502 glue
Be scheduled on the lead 10 of foil gauge 9 just under (on) side；Connecting line 6 is connected with the lower end of collets 11, in test process, connecting line
6 other end is connected to signal path 7, for connecting the signal path 7 of 5 inside of collets 11 and operating room.
Working principle:
Before test, two foil gauges 9 are pasted respectively in the two sides of each beam specimen 8, it is corresponding in foil gauge 9
Just upper (lower) side bonds two collets 11, each connecting line 6 is connected to signal path 7；
Multiple beam specimens 8 for pasting foil gauge 9 and collets 11 are placed in operating room 5, by touch aobvious
Control is adjusted to the temperature in operating room 5 in display screen 13；When the temperature is changed, all beam specimens 8 generate deformation, foil gauge
9 can occur to strain accordingly, and the contraction strain data of foil gauge 9 are transferred to signal path 7 by connecting line 6, and signal path 7 is received
The contraction strain data collected are shown by LED display 16, because LED display 16 is only able to display the contraction of a small amount of foil gauge 9
Strain value carries out unlike signal by operation panel 17 when operator needs to check the contraction strain data of multiple foil gauges 9
The switching in channel 7；When the values of shrinkage strain of some foil gauge 9 of operator's discovery display is more beyond normal range (NR), say
There is accidental (artificial) error in the bright test, need that test links are checked and corrected；Data processing system statistics
And the numerical value that multiple foil gauges 9 are passed back is calculated, average shrinkage strain value is sought or is converted to, and show on LED display 16.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. the integrated apparatus of a kind of resistance strain gauge and high low temperature cycles test case, which is characterized in that including cabinet (1), case
It is provided with operating room (5) in body (1), several signal paths (7) is provided on the side wall of operating room (5), it is solid in operating room (5)
Surely it is provided with resistance wire；The outside of operating room (5) is chamber door (2), chamber door (2) and cabinet (1) rotation connection；Cabinet (1) is in case
Operation display area (19) are provided with by door (2)；
Touching display screen (13), switch control knob (15), operation panel (17) and USB are provided in operation display area (19)
Interface (18)；Touching display screen (13) is used to control the resistance wire power in operating room (5), and switch control knob (15) is used for
Power on, for operating and controlling signal path (7), USB interface (18) is connected to operation panel (17) with PC terminal；
Beam specimen (8) is respectively pasted with a foil gauge in two opposing sidewalls of beam specimen (8) when operating room (5) are interior
(9), the strain data of each foil gauge (9) is transmitted to signal path (7) by connecting line (6).
2. the integrated apparatus of resistance strain gauge according to claim 1 and high low temperature cycles test case, which is characterized in that
Working signal lamp (14) are provided in operation display area (19).
3. the integrated apparatus of resistance strain gauge according to claim 1 and high low temperature cycles test case, which is characterized in that
LED display (16) are provided in operation display area (19), the test data and signal being collected into for channel indication signal (7)
The working condition in channel (7).
4. the integrated apparatus of resistance strain gauge according to claim 1 and high low temperature cycles test case, which is characterized in that
One end of each foil gauge (9) is connected with 2 leads (10), and the other end of 2 leads (10) is commonly connected to insulate
In the cylindrical mouth (12) of block (11), the collets (11) and foil gauge (9) are pasted on the same side wall of beam specimen (8)；
The other end of each collets (11) is connected to connecting line (6).
5. the integrated apparatus of resistance strain gauge according to claim 4 and high low temperature cycles test case, which is characterized in that
Collets (11) are in the underface or surface of foil gauge (9).
6. the integrated apparatus of resistance strain gauge according to claim 1 and high low temperature cycles test case, which is characterized in that
The intermediate position of chamber door (2) offers observation window (3).
7. the integrated apparatus of resistance strain gauge according to claim 1-6 and high low temperature cycles test case,
It is characterized in that, beam specimen (8) is inorganic binder, and foil gauge (9) is conductor or semiconductor material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053754.XU CN209069446U (en) | 2018-12-07 | 2018-12-07 | A kind of integrated apparatus of resistance strain gauge and high low temperature cycles test case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053754.XU CN209069446U (en) | 2018-12-07 | 2018-12-07 | A kind of integrated apparatus of resistance strain gauge and high low temperature cycles test case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209069446U true CN209069446U (en) | 2019-07-05 |
Family
ID=67101328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053754.XU Expired - Fee Related CN209069446U (en) | 2018-12-07 | 2018-12-07 | A kind of integrated apparatus of resistance strain gauge and high low temperature cycles test case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209069446U (en) |
-
2018
- 2018-12-07 CN CN201822053754.XU patent/CN209069446U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190705 Termination date: 20191207 |