CN205120630U - Metal coefficient of linear extensibility experimental system - Google Patents
Metal coefficient of linear extensibility experimental system Download PDFInfo
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- CN205120630U CN205120630U CN201520842153.0U CN201520842153U CN205120630U CN 205120630 U CN205120630 U CN 205120630U CN 201520842153 U CN201520842153 U CN 201520842153U CN 205120630 U CN205120630 U CN 205120630U
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- expansion coefficient
- linear expansion
- magnet
- temperature
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Abstract
Metal coefficient of linear extensibility experimental system, by reading microscope, the bottom plate, heating device, magnet column, metal coefficient of linear extensibility controller and host computer are constituteed, reading microscope observes the tubular metal resonator that awaits measuring, heating device connects metal coefficient of linear extensibility controller, the host computer is connected to metal coefficient of linear extensibility controller, heating device includes the bottom plate, temperature sensor and hall displacement formula sensor, temperature sensor establishes on the bottom plate, and can carry out seamless with the copper pipe, hall displacement formula sensor is arranged copper nose portion in and is put inside magnet, magnet column establishes on the bottom plate, temperature sensor real -time measurement tubular metal resonator temperature, the magnet column middle part is arranged in to hall displacement formula sensor, through this system, measuring range further improves, preserve and handle it displacement and temperature data through the host computer, the experimenter also the accessible host computer to monitoring through interior temperature, the simple operation, more intelligent, humanized, the experimental data is convenient for look over, the data precision is also more accurate.
Description
Technical field
The utility model belongs to experiment equipment technical field, relates to a kind of experimental system, specifically relates to a kind of linear expansion coefficient experimental system.
Background technology
All there is larger problem in the existing measurement to linear expansion coefficient and control circuit, mainly through mercury thermometer and length-measured telescope, the displacement when temperature of metal tube and heating is measured during measurement, and control circuit realizes mainly through regulating the conduction angle of thyristor the speed heated, temperature constant can not be made in a certain temperature, when measuring, experimental data scope is narrow, simultaneously when using electrical heating method to heat, also there is temperature can not control, the temperature that mercury thermometer reads has very large error, and measurement range is narrow, can not be read by the reading of telescope and thermometer simultaneously, measurement data can not carry out a series of defects such as effective preservation.
Utility model content
The purpose of this utility model is the deficiencies such as, measuring error narrow for the measurement range existed in the swollen measuring process of conventional metals line is large, measurement data can not effectively be preserved, a kind of linear expansion coefficient experimental system is provided, system architecture is novel, more intelligent, hommization, host computer is adopted to monitor and data processing temperature, the preservation of experimental data can be facilitated, the swollen measurement requirement of high-precision metal wire can be met.
The technical solution of the utility model is: linear expansion coefficient experimental system, comprise reading microscope, it is characterized in that: described system is also by base plate, heating arrangement, magnetic column, linear expansion coefficient controller and host computer composition, described heating arrangement and magnetic column are disposed in parallel on described base plate, described heating arrangement is by metal tube, temperature sensor and Hall displacement formula sensor composition, described metal tube is arranged on the center of described heating arrangement, described temperature sensor is placed in described metal tube, described Hall displacement formula sensor is arranged on the top of described metal tube, described temperature sensor and Hall displacement formula sensor are interconnected, interconnective temperature collect module and Temperature Treatment module is provided with in the inside of described temperature sensor, described temperature collect module is controlled by control chip, described linear expansion coefficient controller is connected with described heating arrangement and described host computer respectively, described magnetic column is made up of support body and magnet, described Hall displacement formula sensor is connected with the magnet effect of described magnetic column, described reading microscope is just to described Hall displacement formula sensor setting.
Described linear expansion coefficient controller outside is made up of display screen, connecting hole, button assembly and outlet; Display screen, connecting hole and outlet are all located at the front of linear expansion coefficient controller, and display screen is located at the top of connecting hole and outlet, and outlet is located at the right side of connecting hole; Connecting hole is located at the back side of linear expansion coefficient controller, and connecting hole is made up of the first connecting hole and the second connecting hole, and the first connecting hole is connected heating arrangement with the second connecting hole by connecting line.
Described linear expansion coefficient controller inside is provided with control chip, control chip is arranged temperature control circuit, key circuit, display circuit, power circuit and telecommunication circuit; Temperature control circuit connects heating arrangement, and key circuit connects button assembly, and display circuit connects display screen, and power circuit connects outlet.
Described host computer is provided with host computer circuit, and host computer circuit connects telecommunication circuit.
Described metal tube is copper pipe.
Described magnetic column is made up of support body and magnet, and support body is made up of frame-saw and foundation.
Described magnet is made up of the first magnet and the second magnet, and the first magnet is arranged on the top of the second magnet, and Hall displacement formula sensor setting is in the middle of the first magnet and the second magnet.
Described button assembly is made up of the first button, the second button and the 3rd button, and it connects key circuit respectively.
The beneficial effects of the utility model are: the linear expansion coefficient experimental system that the utility model provides, by the collection of temperature sensor to temperature, the collection of employing Hall displacement formula sensor to voltage is simultaneously converted into the collection to displacement, detected in real time by control chip and shown by display screen, communication is carried out with being connected with host computer by connection string holes, send data to host computer, be presented on interface, and draw out the curve of voltage and temperature, directly draw linear expansion coefficient, total system, simple operation, precision is enhanced, more intelligent, hommization, experimental data is more accurate.
Specifically be also advantageous in that: 1. in the measurement of micro-displacement, use Hall displacement formula sensor to solve the measurement of micro-displacement, can grade be measured; 2. temperature acquisition aspect, adopt sensor to can be as accurate as 0.01 DEG C, temperature-measuring range increases 125 DEG C from original 100 DEG C simultaneously; 3. adopt host computer preserve data and process, and draw out the curve of voltage and temperature, directly draw linear expansion coefficient; 4., because external environment is comparatively large to the interference of this system, add correcting circuit, reduce measuring result error.
Accompanying drawing explanation
Fig. 1 is the structural representation of linear expansion coefficient experimental system of the present invention.
Fig. 2 is the built-in system schematic diagram of linear expansion coefficient experimental system of the present invention.
In figure: metal tube 1, reading microscope 2, heating arrangement 3, base plate 31, temperature sensor 32, temperature collect module 320, Temperature Treatment module 321, Hall displacement formula sensor 4, magnetic column 5, support body 51, frame-saw 510, magnet 52, first magnet 521, second magnet 522, foundation 53, linear expansion coefficient controller 6, control chip 61, key circuit 62, display circuit 63, power circuit 64, telecommunication circuit 65, display screen 66, connecting hole 67, first connecting hole 671, second connecting hole 672, temperature control circuit 68, button assembly 69, first button 691, second button 692, 3rd button 693, outlet 694, host computer 7, host computer circuit 71.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1-2, linear expansion coefficient experimental system, comprise reading microscope 2, system is also by base plate 31, heating arrangement 3, magnetic column 5, linear expansion coefficient controller 6 and host computer 7 form, heating arrangement 3 and magnetic column 5 are disposed in parallel on base plate 31, heating arrangement 3 is by metal tube 1, temperature sensor 32 and Hall displacement formula sensor 4 form, metal tube 1 is arranged on the center of heating arrangement 3, temperature sensor 32 is placed in metal tube 1, Hall displacement formula sensor 4 is arranged on the top of metal tube 1, temperature sensor 32 and Hall displacement formula sensor 4 are interconnected, interconnective temperature collect module 320 and Temperature Treatment module 321 is provided with in the inside of temperature sensor 32, temperature collect module 320 is controlled by control chip 61, linear expansion coefficient controller 6 is connected with heating arrangement 3 and host computer 7 respectively, magnetic column 5 is made up of support body 51 and magnet 52, Hall displacement formula sensor 4 acts on the magnet 52 of magnetic column 5 and being connected, reading microscope 2 is just arranged Hall displacement formula sensor 4.
As shown in Figure 1-2, linear expansion coefficient experimental system, linear expansion coefficient controller 6 outside is made up of display screen 66, connecting hole 67, button assembly 69 and outlet 694; Display screen 66, connecting hole 67 and outlet 694 are all located at the front of linear expansion coefficient controller 6, and display screen 66 is located at the top of connecting hole 67 and outlet 694, and outlet 694 is located at the right side of connecting hole 67; Connecting hole 67 is located at the back side of linear expansion coefficient controller 6, and connecting hole 67 is made up of the first connecting hole 671 and the second connecting hole 672, and the first connecting hole 671 is connected heating arrangement 3 with the second connecting hole 672 by connecting line.Linear expansion coefficient controller 6 inside is provided with control chip 61, control chip 61 is arranged temperature control circuit 68, key circuit 62, display circuit 63, power circuit 64 and telecommunication circuit 65; Temperature control circuit 68 connects heating arrangement 3, and key circuit 62 connects button assembly 69, and display circuit 63 connects display screen 66, and power circuit 64 connects outlet 694.Host computer 7 is provided with host computer circuit 71, and host computer circuit 71 connects telecommunication circuit 65.Described metal tube 1 is copper pipe.Magnetic column 5 is made up of support body 51 and magnet 52, and support body 51 is made up of frame-saw 510 and foundation 53.Magnet 52 is made up of the first magnet 521 and the second magnet 522, and the first magnet 521 is arranged on the top of the second magnet 522, and Hall displacement formula sensor 4 is arranged in the middle of the first magnet 521 and the second magnet 522.Button assembly 69 is made up of the first button 691, second button 692 and the 3rd button 693, and it connects key circuit 62 respectively.
As shown in Figure 1-2, linear expansion coefficient experimental system principle of work of the present invention is as follows: reading microscope 2 pairs of Hall displacement formula sensors 4 are calibrated, and arrange like this, is convenient to measure displacement when temperature and metal tube to be measured heating.The model of temperature sensor 32 is DS18B20, by the temperature acquisition of temperature sensor to metal tube, temperature sensor 32 connects Hall displacement formula sensor 4, Hall displacement formula sensor 4 connects magnetic column 5, such setting, during by Hall displacement formula sensors measure magnetic fields intensity, the change in magnetic field can be converted into the change between voltage by Hall displacement formula sensor, the measurement of the micro-displacement using Hall displacement formula sensor to solve.Temperature sensor 32 inside is provided with temperature collect module 320 and Temperature Treatment module 321, and temperature collect module 320 connects Temperature Treatment module 321, arranges like this, and temperature collect module can be used for collecting temperature, by Temperature Treatment resume module.Temperature collect module 320 is controlled by control chip 61, arranges like this, and temperature acquisition adopts DS18B20 model temperature sensor to can be as accurate as 0.01 DEG C, and temperature-measuring range can reach 125 DEG C, the effective problem solving measuring tempeature precision and temperature-measuring range.Temperature sensor is located on base plate, and seamless connection can be carried out with copper pipe, Hall displacement formula sensor is placed in copper pipe top and is put in magnet inside, magnetic column is located on base plate, metal tube temperature measured in real time by temperature sensor, Hall displacement formula sensor is placed in magnetic column middle part, and Hall displacement formula sensor 4 is Hall displacement formula sensor, and its model is SS494A1.Magnetic column 5 comprises support body 51 and magnet 52, and support body 51 comprises frame-saw 510 and foundation 53, and frame-saw 510 is connected to foundation 53, arranges like this, forms support body.Magnet 52 comprises the first magnet 521 and the second magnet 522, such setting, magnetic field is produced by electromagnet, magnetic field intensity and strength of current proportional, Hall voltage and the strength of current of the Hall displacement formula sensor generation in magnetic field are proportional, the inside of linear expansion coefficient controller 6 is provided with control chip 61, key circuit 62, display circuit 63, power circuit 64, telecommunication circuit 65, temperature control circuit 68, such setting, control chip is detected in real time and is shown by display screen, control chip sends data to host computer by wiring holes and upper machine communication simultaneously.Key circuit 62, display circuit 63, power circuit 64, telecommunication circuit 65, temperature control circuit 68 is controlled by control chip.Linear expansion coefficient controller 6 comprises display screen 66, connecting hole 67, button assembly 69, outlet 694, described display screen 66 and connecting hole 67, outlet 694 is located at the front of linear expansion coefficient controller 6, described display screen 66 is located at the top of connecting hole 67 and outlet 694, described outlet 694 is located at the right side of connecting hole 67, arranges like this, good looking appearance.Described connecting hole is respectively the first connecting hole 671 and the second connecting hole 672, and described first and second connecting holes connect heating arrangement 3 by connecting line, arrange like this, is convenient to control.Described button assembly 69 comprises the first button 691, second button 692 and the 3rd button 693, and it connects key circuit 62 respectively.Such setting, is convenient to the first button, the second button and the 3rd button adjustment operation.Temperature control circuit 68 connects circuit in heating arrangement base plate 31, and controlled the switch of heating arrangement by the break-make controlling metal-oxide-semiconductor, reach temperature control object, host computer 7 is provided with host computer circuit 71, described host computer circuit 71 connecting communication circuit 65.Such setting, the curve of host computer display voltage and temperature, directly draws linear expansion coefficient.Further, linear expansion coefficient experimental system of the present invention, system take control chip as core, sensor for temperature and displacement is adopted to carry out digital intellectualization collection, in control metal tube, temperature is constant, utilizes host computer to process the data gathered, finally directly draws linear expansion coefficient, pilot system is reliable and stable, and data accuracy is higher.
Linear expansion coefficient experimental system of the present invention, 1. by the collection of temperature sensor to temperature; 2. the collection of employing Hall displacement formula sensor to voltage is converted into the collection to displacement; 3. detect in real time by the control chip of linear expansion coefficient controller and shown by display screen; 4. control chip by with host computer data communication, send data to host computer, be presented on the interface of host computer, and draw out the curve of voltage and temperature, directly draw linear expansion coefficient; 5. total system, simple operation, more intelligent, hommization, experimental data is more accurate, has the application prospect of expansion.
Claims (8)
1. linear expansion coefficient experimental system, comprise reading microscope (2), it is characterized in that: described system is also by base plate (31), heating arrangement (3), magnetic column (5), linear expansion coefficient controller (6) and host computer (7) composition, described heating arrangement (3) and magnetic column (5) are disposed in parallel on described base plate (31), described heating arrangement (3) is by metal tube (1), temperature sensor (32) and Hall displacement formula sensor (4) composition, described metal tube (1) is arranged on the center of described heating arrangement (3), described temperature sensor (32) is placed in described metal tube (1), described Hall displacement formula sensor (4) is arranged on the top of described metal tube (1), described temperature sensor (32) and Hall displacement formula sensor (4) are interconnected, interconnective temperature collect module (320) and Temperature Treatment module (321) is provided with in the inside of described temperature sensor (32), described temperature collect module (320) is controlled by control chip (61), described linear expansion coefficient controller (6) is connected with described heating arrangement (3) and described host computer (7) respectively, described magnetic column (5) is made up of support body (51) and magnet (52), described Hall displacement formula sensor (4) acts on the magnet (52) of described magnetic column (5) and being connected, described reading microscope (2) is just arranged described Hall displacement formula sensor (4).
2. linear expansion coefficient experimental system according to claim 1, is characterized in that: described linear expansion coefficient controller (6) outside is made up of display screen (66), connecting hole (67), button assembly (69) and outlet (694); Display screen (66), connecting hole (67) and outlet (694) are all located at the front of linear expansion coefficient controller (6), display screen (66) is located at the top of connecting hole (67) and outlet (694), and outlet (694) is located at the right side of connecting hole (67); Connecting hole (67) is located at the back side of linear expansion coefficient controller (6), connecting hole (67) is made up of the first connecting hole (671) and the second connecting hole (672), and the first connecting hole (671) is connected heating arrangement (3) with the second connecting hole (672) by connecting line.
3. linear expansion coefficient experimental system according to claim 1, it is characterized in that: described linear expansion coefficient controller (6) inside is provided with control chip (61), control chip (61) is arranged temperature control circuit (68), key circuit (62), display circuit (63), power circuit (64) and telecommunication circuit (65); Temperature control circuit (68) connects heating arrangement (3), key circuit (62) connects button assembly (69), display circuit (63) connects display screen (66), and power circuit (64) connects outlet (694).
4. linear expansion coefficient experimental system according to claim 1, is characterized in that: described host computer (7) is provided with host computer circuit (71), and host computer circuit (71) connects telecommunication circuit (65).
5. linear expansion coefficient experimental system according to claim 1, is characterized in that: described metal tube (1) is copper pipe.
6. linear expansion coefficient experimental system according to claim 1, it is characterized in that: described magnetic column (5) is made up of support body (51) and magnet (52), support body (51) is made up of frame-saw (510) and foundation (53).
7. linear expansion coefficient experimental system according to claim 1, it is characterized in that: described magnet (52) is made up of the first magnet (521) and the second magnet (522), first magnet (521) is arranged on the top of the second magnet (522), and Hall displacement formula sensor (4) is arranged in the middle of the first magnet (521) and the second magnet (522).
8. linear expansion coefficient experimental system according to claim 2, it is characterized in that: described button assembly (69) is made up of the first button (691), the second button (692) and the 3rd button (693), and it connects key circuit (62) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520842153.0U CN205120630U (en) | 2015-10-28 | 2015-10-28 | Metal coefficient of linear extensibility experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520842153.0U CN205120630U (en) | 2015-10-28 | 2015-10-28 | Metal coefficient of linear extensibility experimental system |
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| Publication Number | Publication Date |
|---|---|
| CN205120630U true CN205120630U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520842153.0U Expired - Fee Related CN205120630U (en) | 2015-10-28 | 2015-10-28 | Metal coefficient of linear extensibility experimental system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764854A (en) * | 2017-10-25 | 2018-03-06 | 汤庆佳 | A kind of Temperature Control Type linear expansion coefficient measuring apparatus |
| CN107884434A (en) * | 2017-11-10 | 2018-04-06 | 哈尔滨学院 | A kind of SMART METALS linear expansion coefficient measuring device based on ultrasonic wave |
| CN107907561A (en) * | 2017-12-14 | 2018-04-13 | 南京林业大学 | The device and measuring method of multipath reflection laser optical lever metal linear expansion coefficient measurement |
-
2015
- 2015-10-28 CN CN201520842153.0U patent/CN205120630U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764854A (en) * | 2017-10-25 | 2018-03-06 | 汤庆佳 | A kind of Temperature Control Type linear expansion coefficient measuring apparatus |
| CN107884434A (en) * | 2017-11-10 | 2018-04-06 | 哈尔滨学院 | A kind of SMART METALS linear expansion coefficient measuring device based on ultrasonic wave |
| CN107884434B (en) * | 2017-11-10 | 2019-10-18 | 哈尔滨学院 | A kind of SMART METALS linear expansion coefficient measuring device based on ultrasound |
| CN107907561A (en) * | 2017-12-14 | 2018-04-13 | 南京林业大学 | The device and measuring method of multipath reflection laser optical lever metal linear expansion coefficient measurement |
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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: 20160330 Termination date: 20181028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |