CN206270271U - Bituminous paving high temperature heat transfer performance measurement instrument - Google Patents
Bituminous paving high temperature heat transfer performance measurement instrument Download PDFInfo
- Publication number
- CN206270271U CN206270271U CN201621387497.8U CN201621387497U CN206270271U CN 206270271 U CN206270271 U CN 206270271U CN 201621387497 U CN201621387497 U CN 201621387497U CN 206270271 U CN206270271 U CN 206270271U
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- China
- Prior art keywords
- cold drawing
- hot plate
- heat transfer
- high temperature
- measurement instrument
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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.)
- Expired - Fee Related
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 19
- 238000012546 transfer Methods 0.000 title claims abstract description 17
- 238000010622 cold drawing Methods 0.000 claims abstract description 65
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052802 copper Inorganic materials 0.000 claims abstract description 41
- 239000010949 copper Substances 0.000 claims abstract description 41
- 238000002791 soaking Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 26
- 238000010276 construction Methods 0.000 claims description 13
- 239000010425 asbestos Substances 0.000 claims description 8
- 229910052895 riebeckite Inorganic materials 0.000 claims description 8
- 238000002474 experimental method Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 38
- 230000000694 effects Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000145637 Lepturus Species 0.000 description 2
- 241001494479 Pecora Species 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a kind of bituminous paving high temperature heat transfer performance measurement instrument, purpose is that it is possible to carry out precise control to sample coupon clamping force, it is ensured that hot-fluid is uniformly transmitted downwards by test specimen upper table, simultaneously test when test specimen pick and place conveniently, the technical scheme for being used for：Including hollow overall outer framework, hot plate and cold drawing are disposed with from top to bottom in overall outer framework, it is sample coupon placement space between hot plate and cold drawing, the upper end of hot plate is fixed with screwfeed mechanism, the lower end of cold drawing is provided with clamping force measuring mechanism, the hot plate includes the fixed frame being connected with screwfeed mechanism, and heating plate is provided with fixed frame, and heating plate lower end is provided with soaking copper coin；Conduit is provided with the cold drawing, conduit is provided with water inlet and delivery port.
Description
Technical field
The utility model belongs to Measured Results of Thermal Conductivity field, and in particular to a kind of bituminous paving high temperature heat transfer fabricmeter
Device.
Background technology
Thermal conductivity factor is one of important parameter of reflection thermal conductivity of material, and road traffic asphalt concrete pavement conducts heat,
External walls of building is incubated pasting board, heat preservation of refrigeration storage interlayer, and the equipment such as laptop heat-dissipation copper pipe, kettle will consider in daily life
The wherein capacity of heat transmission of material.So, the Accurate Determining parameter is particularly important.
Conventional thermal conductive coefficient measuring instrument is clamped typically by mobile cold drawing to sample coupon, and due to operating personnel
The difference of sensation tends not to the size of precise control clamping force, also cannot accurately enter the measurement of line parameter.Additionally, traditional
Thermal conductivity measuring apparatus temperature is tended not to be accurately controlled, cause measuring result error larger.
Utility model content
In order to solve the problems of the prior art, sample coupon clamping force can be carried out accurately the utility model proposes one kind
Control, it is ensured that hot-fluid is uniformly transmitted downwards by test specimen upper table, can be accurately controlled to temperature, while being tried during experiment
Part picks and places convenient bituminous paving high temperature heat transfer performance measurement instrument.
In order to realize the above object the technical scheme that is used of the utility model for：It is whole including hollow overall outer framework
Hot plate and cold drawing are disposed with from top to bottom in external framework, are sample coupon placement space between hot plate and cold drawing, hot plate
Upper end is fixed with screwfeed mechanism, and the lower end of cold drawing is provided with clamping force measuring mechanism, and the hot plate includes and screwfeed
The connected fixed frame of mechanism, is provided with heating plate on fixed frame, heating plate lower end is provided with soaking copper coin, on soaking copper coin
It is provided with temperature sensor；Conduit is provided with the cold drawing, conduit is provided with water inlet and delivery port.
The soaking copper coin includes the hot soaking copper coin of shield, and the center for protecting hot soaking copper coin is provided with through hole, is set in the through hole
Center calorimetric soaking copper coin is equipped with, space is provided between center calorimetric soaking copper coin and the through hole side for protecting hot soaking copper coin.
The heating plate upper end is provided with asbestos heat-insulation layer.
The lower end of the hot plate is provided with the insulation construction for preventing hot plate from being radiated to surrounding, and sample coupon is placed into cold during experiment
On plate, insulation construction can be covered on sample coupon.
Heat-insulating material peripheral board is provided with the outside of the insulation construction.
The heating plate is connected with temperature control equipment, and temperature control equipment includes the PC, the voltage output mould that are sequentially connected
Block, signal amplifier, relay, fuse and the dc source being connected with heating plate.
Conduit in the cold drawing uses double helix conduit, double helix conduit to use reverse-flow helical duct, including two
The cold drawing spiral tank that the hand of spiral and water (flow) direction are contrary.
Guide pillar is provided with the overall outer framework, the upper end both sides of hot plate are provided with the first guiding slotware, under cold drawing
End both sides are provided with the second guiding slotware, and the first guiding slotware and the second guiding slotware are slidably connected with guide pillar.
The clamping force measuring mechanism is S type pull pressure sensor.
The screwfeed mechanism is included along to the leading screw being arranged on overall outer framework, screw mandrel one end passes through bearing vertically
It is fixedly connected with hot plate, the other end is fixedly installed handwheel.
Compared with prior art, the utility model sets hot plate and cold drawing in overall outer framework, and hot plate is located on cold drawing
End, sample coupon is located on cold drawing during experiment, drives hot plate to bottom offset by screwfeed mechanism, and sample coupon is pressed on into heat
Between plate and cold drawing, sample coupon pressure transmission gives clamping force measuring mechanism, obtains pressure information and adjusts suitable clamping force, if
The temperature of hot plate and cold drawing is set, measurement is heated by heating plate to sample coupon, transfers heat to sample coupon, treats heat conduction
When process is in stable state, the temperature difference of the upper and lower surface of the asphalt blocks detected by temperature sensor, Yi Jijian
The data such as the power supply heating power of survey are processed, that is, try to achieve the thermal conductivity factor of asphalt blocks.The utility model is surveyed by clamping force
Measuring mechanism can carry out precise control to sample coupon clamping force, it is ensured that hot-fluid is uniformly transmitted downwards by test specimen upper table, examination
Exemplar is located on cold drawing, and hot plate conveniently picks and places sample coupon by screwfeed mechanism vertical displacement.
Further, hot plate transmits downwards heat by soaking copper coin, using center calorimetric soaking copper coin and the hot soaking copper of shield
Plate carries out to sample coupon main heating and auxiliary heat effect respectively, it is ensured that the even heat of hot plate passes to the upper of sample coupon
Surface, and good contact can be kept with sample coupon surface.
Further, heating plate upper end sets asbestos heat-insulation layer, and asbestos heat-insulation layer is close to heating plate, can effectively prevent heat
Amount is communicated up.
Further, soaking copper coin surface is furnished with temperature sensor, can detect the surface temperature of hot plate, and can be to shield heat
Soaking copper plate temperature is fed back, and then realizes the temperature control of hot plate.
Further, the lower end of hot plate is provided with the insulation construction for preventing hot plate from being radiated to surrounding, and sample coupon is put during experiment
Put on cold drawing, insulation construction can be covered on sample coupon, can effectively reduce hot plate and sample coupon to surrounding dissipated heat.
Further, the conduit in cold drawing uses double helix conduit, double helix conduit to use reverse-flow helical duct, including two
The cold drawing spiral tank that the individual hand of spiral and water (flow) direction are contrary, thermostatted water is flowed into by water inlet, by the spiral water of cold drawing
Groove is flowed back to by delivery port, and this structure causes that adjacent tank current are in opposite direction, and the temperature for substantially reducing cold drawing surface is uneven
Even property.
Further, the similar guide pin bushing of effect of slotware is oriented to, when hot plate is moved up and down, the guiding slotware of hot plate both sides is driven
Slided up and down along the guide pillar on general frame, play guiding and increase the rigid effect of hot plate structure, simple structure, processing side
Just.Also respectively there is a guiding slotware cold drawing both sides, and its effect mainly ensures to clamp the rigidity of force measuring device, and to cold drawing
Certain guide effect is played in thin tail sheep movement.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of hot plate；
Fig. 3 is the structural representation of cold drawing；
Fig. 4 is the structural representation for being oriented to slotware；
Fig. 5 is the assembling structure schematic diagram of cold drawing and hot plate；
Wherein, 1. overall outer framework, 2. the first guiding slotware, 3. hot plate, 4. insulation construction, 5. cold drawing, 6. screwfeed
Mechanism, 7. bearing, 8. sample coupon placement space, 9. heat-insulating material peripheral board, 10. clamping force measuring mechanism, the 11. hot soaking copper of shield
Plate, 12. spaces, 13. center calorimetric soaking copper coins, 14. water inlets, 15. delivery ports, 16. cold drawing spiral tanks, 17. second are led
To slotware.
Specific embodiment
With reference to specific embodiment and Figure of description the utility model is further explained explanation, but should
This is interpreted as the above-mentioned subject area of the utility model and is only limitted to following embodiments.The above-mentioned technological thought of the utility model is not being departed from
In the case of, according to ordinary skill knowledge and customary means, various replacements and change are made, this practicality all should be included in
In new protection domain.
Referring to Fig. 1, the utility model mainly includes overall outer framework 1, hot plate 3, insulation construction 4, cold drawing 5, screwfeed
Mechanism 6, clamping force measuring mechanism 10, the utility model insulation construction 4 are the outer protecting heat insulating layer of asbestos, clamping force measuring mechanism 10
It is S type pull pressure sensor, hot plate 3 is located at instrument top, and cold drawing 5 is located at lower section, sample coupon is formed between hot plate 3 and cold drawing 5
Placement space 8, the top of hot plate 3 is connected with screwfeed mechanism 6, it is possible to moved up and down along overall outer framework 1, cold drawing 5
Lower section is connected with pull pressure sensor.Screwfeed mechanism 6 is included along vertically to the leading screw being arranged on overall outer framework 1, silk
Bar one end is fixedly connected by bearing 7 with hot plate 3, and the other end is fixedly installed handwheel.After sample coupon is put into, pushed up by rotating
Portion's handwheel moves down hot plate structure, continues rotation hand wheel, and pressure is applied to sample coupon, is shown by computer display interface and pressed
Force data, while adjusting the size of clamping force, clamping force suffered by precise control sample coupon by handwheel.Set on overall outer framework 1
Guide pillar is equipped with, the upper end both sides of hot plate 3 are provided with the first guiding slotware 2, and the lower end both sides of cold drawing 5 are provided with the second guiding slotware
17, the first guiding slotware 2 and second is oriented to slotware 17 and is slidably connected with guide pillar.
Referring to Fig. 2, hot plate 3 includes the fixed frame being connected with screwfeed mechanism 6, and heating is provided with fixed frame
Piece, heating plate upper end is provided with asbestos heat-insulation layer, and heating plate lower end is provided with soaking copper coin, and soaking copper coin includes the hot soaking copper of shield
Plate 11, the center for protecting hot soaking copper coin 11 is provided with through hole, and center calorimetric soaking copper coin 13, center calorimetric soaking are provided with through hole
Space 12 is provided between copper coin 13 and the through hole side for protecting hot soaking copper coin 11, the lower end of hot plate 3 is provided with prevents hot plate 3 to surrounding
The insulation construction 4 of radiating, sample coupon is placed on cold drawing 5 during experiment, and insulation construction 4 can be covered on sample coupon, insulation construction 4
Outside be provided with heat-insulating material peripheral board 9, be provided with temperature sensor on soaking copper coin.Heating plate is connected with temperature control dress
Put, temperature control equipment include be sequentially connected PC, voltage output module, signal amplifier, relay, fuse and with heating
The dc source of piece connection, by the PC equipped with Labview softwares, temperature sensor, voltage output module, amplifier, relay
Device, fuse and Switching Power Supply carry out temperature control.Concretely comprise the following steps, controlled using pulsewidth modulation (PWM) by Labview softwares
The method of circuit processed, by the open and close of voltage output module, relay and then controlling switch power supply, regulation heating plate
Power, makes the temperature of the pitch upper surface that hot plate contacts reach the temperature of setting.The algorithm that temperature control is used：To improve pitch
The operating efficiency of road surface high temperature heat transfer performance measurement instrument, the instrument uses following control algolithm：Making and gathered on soaking copper coin
Temperature be t1, on cold drawing gather temperature be t2, work as t1-t2>At 5 DEG C, using heating with full power, will dc source work(
Rate modulation is maximum, when t1-t2≤5 DEG C, carries out carrying out temperature control to hot plate using PID.
Referring to Fig. 3, conduit is provided with cold drawing 5, conduit is provided with water inlet 14 and delivery port 15, and the conduit in cold drawing 5 is adopted
Use double helix conduit, double helix conduit uses reverse-flow helical duct, including two hands of spiral and water (flow) direction are contrary
Cold drawing spiral tank 16.
Referring to Fig. 1, the course of work of the present utility model：By the screwfeed machine being rotatably connected on overall outer framework 1
Structure 6 can realize the lifting of hot plate structure, when hot plate 3 is raised to correct position, sample coupon is put into hot plate 3 and cold drawing 5 is formed
Sample coupon placement space 8 in, then opposite direction turn screwfeed mechanism 6 compress sample coupon, in compaction process, sample coupon
Pressure transmission is given the clamping force measuring mechanism 10 for being connected to the lower section of cold drawing 5, conjunction can be observed and adjusted by display interface
Suitable clamping force, temperature is set to hot plate 3 and cold drawing 5, and equitemperature reaches stable state, it is possible to by being calculated sample
The thermal conductivity factor of part.
Referring to Fig. 2, hot plate is made up of heating plate, fixed frame, center calorimetric soaking copper coin 13 and the hot soaking copper coin 11 of shield,
Center calorimetric soaking copper coin 13 is the rectangular configuration of 150mmx150mm, and it is the three-back-shaped of 300mmx300mm to protect hot soaking copper coin 11
Structure, space 12 is provided between center calorimetric soaking copper coin 13 and the hot soaking copper coin 11 of shield.The lower end of hot plate 3 is formed around insulation
Structure 4, can effectively reduce hot plate 3 to surrounding dissipated heat, there is heating plate and asbestos heat-insulation layer, asbestos insulation inside hot plate 3
Layer is close to heating plate, can effectively prevent heat from being communicated up.Temperature sensor is arranged on the soaking copper coin below heating plate,
It is used to measure the temperature of main heating plate and guarded hot plate, feeds back to main frame, completes the control to guarded hot plate temperature.The top of hot plate 3 connects
A leading screw with handwheel is connect, the lifting of hot plate 3 can be adjusted by rotation hand wheel, and the both sides of hot plate 3 respectively have one to rise
First guiding slotware 2 of guide effect, can move up and down to hot plate 3 and play guide effect, while hot plate knot can also be improved
The integral rigidity of structure.
Referring to Fig. 3, cold drawing 5 is located at integrally-built lower section, and the left and right sides is respectively provided with a constant temperature water entrance 14, cold drawing
5 internal structures are double helix conduit, including two cold drawing spiral tanks 16, cold drawing spiral tank 16 is led to using reverse-flow spiral
Road, thermostatted water is flowed into by water inlet 14, is flowed back to by delivery port 15 by cold drawing spiral tank 16, and this design causes adjacent tank
Water (flow) direction is opposite so that turnover stream close to, in the opposite direction, substantially reduce the temperature unevenness on the surface of cold drawing 5, can make
The more uniform temperature of cold drawing 5.The both sides of cold drawing 5 are equally respectively provided with one second guiding slotware 17, can also be risen while increasing rigidity
To micro- guide effect, the bottom of cold drawing 5 connects a S type pull pressure sensor, when sample coupon is subject to the pressure that hot plate 3 applies, just
Can be delivered in the pull pressure sensor of the bottom of cold drawing 5 such that it is able to read the size of sample coupon pressure.
Referring to Fig. 4, it acts on similar guide pin bushing to be oriented to slotware, when hot plate 3 is moved up and down, drives the first of the both sides of hot plate 3
It is oriented to slotware 2 to be slided up and down along the guide pillar on overall outer framework 1, plays guiding and increase the rigid effect of hot plate structure, but its
Simple structure, it is easy to process.Also respectively there is one second guiding slotware 17 both sides of cold drawing 5, and its effect mainly ensures that clamping force is surveyed
The rigidity of measuring mechanism 10, and certain guide effect is played to the movement of the thin tail sheep of cold drawing 5.
Referring to Fig. 5, hot plate 3 is above, and cold drawing 5 is located at lower section, during test measurement, sample coupon is placed on cold drawing 5,
Hot plate 3 is moved down by screwfeed mechanism 6, insulation structure 4 is around playing function of heat insulation around sample coupon.
When sample coupon to be taken out, screwfeed mechanism 6 is reversely rotated, hot plate 3 rises, this structure can play adiabatic heat-insulation effect,
Taking for sample coupon, high insulating effect, simple structure can be facilitated again.
The utility model adjusts the lifting of hot plate structure by rotary apparatus top handwheel, when hot plate touches sample coupon
Afterwards, continue to pressure, by data display interface adjust pressure value size, the method can precise control clamping force it is big
It is small, it is simple to operate, reliable.Additionally, apparatus structure uses hot plate in upper cold drawing in lower structure, and the sample coupon side of being placed and taken out
Just, because of the presence of heat insulation structure, and sample coupon will not occur and block the phenomenon that can not taken.
Claims (10)
1. a kind of bituminous paving high temperature heat transfer performance measurement instrument, it is characterised in that whole including hollow overall outer framework (1)
Hot plate (3) and cold drawing (5) are disposed with from top to bottom in external framework (1), are sample coupon between hot plate (3) and cold drawing (5)
Placement space (8), the upper end of hot plate (3) is fixed with screwfeed mechanism (6), and the lower end of cold drawing (5) is provided with clamping force measurement
Mechanism (10), the hot plate (3) includes the fixed frame being connected with screwfeed mechanism (6), and heating is provided with fixed frame
Piece, heating plate lower end is provided with soaking copper coin, and temperature sensor is provided with soaking copper coin；Groove is provided with the cold drawing (5)
Road, conduit is provided with water inlet and delivery port.
2. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 1, it is characterised in that the soaking
Copper coin includes the hot soaking copper coin (11) of shield, and the center for protecting hot soaking copper coin (11) is provided with through hole, center is provided with the through hole
Calorimetric soaking copper coin (13), space is provided between center calorimetric soaking copper coin (13) and the through hole side for protecting hot soaking copper coin (11)
(12)。
3. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 2, it is characterised in that the heating
Piece upper end is provided with asbestos heat-insulation layer.
4. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 3, it is characterised in that the hot plate
(3) lower end is provided with the insulation construction (4) for preventing hot plate (3) from being radiated to surrounding, and sample coupon is placed into cold drawing (5) during experiment
On, insulation construction (4) can be covered on sample coupon.
5. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 4, it is characterised in that the insulation
Heat-insulating material peripheral board (9) is provided with the outside of structure (4).
6. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 1, it is characterised in that the cold drawing
(5) conduit in uses double helix conduit, double helix conduit to use reverse-flow helical duct, including two hands of spiral and current
Cold drawing spiral tank (16) that direction is contrary.
7. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 1, it is characterised in that the heating
Piece is connected with temperature control equipment, PC that temperature control equipment includes being sequentially connected, voltage output module, signal amplifier, after
Electrical equipment, fuse and the dc source being connected with heating plate.
8. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 1, it is characterised in that the entirety
Guide pillar is provided with outer framework (1), the upper end both sides of hot plate (3) are provided with the first guiding slotware (2), the lower end two of cold drawing (5)
Side is provided with the second guiding slotware (17), and the first guiding slotware (2) and the second guiding slotware (17) are slidably connected with guide pillar.
9. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 1, it is characterised in that the clamping
Power measuring mechanism (10) is S type pull pressure sensor.
10. a kind of bituminous paving high temperature heat transfer performance measurement instrument according to claim 1, it is characterised in that the spiral shell
Rotation feed mechanism (6) is including along to the leading screw being arranged on overall outer framework (1), screw mandrel one end is by bearing (7) and heat vertically
Plate (3) is fixedly connected, and the other end is fixedly installed handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387497.8U CN206270271U (en) | 2016-12-16 | 2016-12-16 | Bituminous paving high temperature heat transfer performance measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387497.8U CN206270271U (en) | 2016-12-16 | 2016-12-16 | Bituminous paving high temperature heat transfer performance measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270271U true CN206270271U (en) | 2017-06-20 |
Family
ID=59046266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621387497.8U Expired - Fee Related CN206270271U (en) | 2016-12-16 | 2016-12-16 | Bituminous paving high temperature heat transfer performance measurement instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727488A (en) * | 2017-11-22 | 2018-02-23 | 中国工程物理研究院化工材料研究所 | A kind of multifactor explosive reaction instrument of multichannel |
| CN114295673A (en) * | 2021-12-31 | 2022-04-08 | 长安大学 | Pavement testing system and testing method thereof |
-
2016
- 2016-12-16 CN CN201621387497.8U patent/CN206270271U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727488A (en) * | 2017-11-22 | 2018-02-23 | 中国工程物理研究院化工材料研究所 | A kind of multifactor explosive reaction instrument of multichannel |
| CN114295673A (en) * | 2021-12-31 | 2022-04-08 | 长安大学 | Pavement testing system and testing method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 |