CN110440889A - A kind of not parking weighing detection device and method of quartz crystal sensor combination - Google Patents
A kind of not parking weighing detection device and method of quartz crystal sensor combination Download PDFInfo
- Publication number
- CN110440889A CN110440889A CN201910833555.7A CN201910833555A CN110440889A CN 110440889 A CN110440889 A CN 110440889A CN 201910833555 A CN201910833555 A CN 201910833555A CN 110440889 A CN110440889 A CN 110440889A
- Authority
- CN
- China
- Prior art keywords
- quartz crystal
- crystal sensor
- wirelesshd
- turnover panel
- switch
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/03—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
Abstract
The invention discloses the not parking weighing detection devices and method of a kind of combination of quartz crystal sensor in weighing technology field, including roadbed, WirelessHD captures radar tester, rectangular recess, drainpipe, touching switch, close to switch, mandrel, connecting tube, turnover panel and several quartz crystal sensors, the vehicle front of movement hits quartz crystal sensor, acquire impact force, turnover panel turns left simultaneously, close to switch starting, WirelessHD is set to capture radar tester starting, measure distance and Startup time, the vehicle front of movement presses always turnover panel, quartz crystal sensor acquires this process active force changing value, turnover panel rotates down simultaneously, press touching switch, WirelessHD is set to capture radar tester starting, measure distance and finish time, utilize formula Δ Ft=Δ VM, WirelessHD captures radar tester Δ V and t are obtained, the variable quantity for choosing quartz crystal sensor measured value is Δ F, acquires M, which is easy to operate, improves efficiency.
Description
Technical field
The present embodiments relate to the not parking titles that weighing technology field more particularly to a kind of quartz crystal sensor are combined
Re-detection device and method.
Background technique
National overwhelming majority province highway carries out weight metering charging, accurately detects that the weight of vehicle just seems especially
It is important.Currently, there are two types of common dynamic vehicle weighing apparatus；One is axle weight scale, another be vehicle scale.Vehicle scale
Weighing principle is integrally to weigh after vehicle reaches weighing apparatus completely to vehicle, can carry out precise measurement to the gross vehicle weight of automobile,
But the axis tuple measured, according to being to calculate roughly to obtain during vehicle reaches weighing apparatus, reason is: vehicle is reaching
Mutually impacted when weighing apparatus by adjacent axis, engine luggine situations such as interference, have that uniaxial or axis group weighting error is excessive asks
Topic；The weighing principle of axle weight scale is that vehicle dynamic individually weighs to each independent axes of vehicle when passing through weighing apparatus, can be right
The axis of each axis is individually weighed again, but there is a problem of stability difference, and then influence the total vehicle obtained according to axis re-computation
Weight accuracy, will finally directly affect increasing or decreasing for pass cost, is easy to increase the severity of charge station's congestion, reduce high
The service level of fast highway, therefore need to design a kind of device for not needing parking and capable of completing to weigh, it is based on this, present invention design
A kind of not parking weighing detection device and method of quartz crystal sensor combination, to solve the above problems.
Summary of the invention
The not parking weighing detection device and method combined the purpose of the present invention is to provide a kind of quartz crystal sensor,
To solve the problems, such as mentioned above in the background art to need to design a kind of device for not needing parking and capable of completing to weigh.
To achieve the above object, the invention provides the following technical scheme:
A kind of not parking weighing detection device of quartz crystal sensor combination, including roadbed, WirelessHD capture radar
Tester, rectangular recess, drainpipe, touching switch, close switch, mandrel, connecting tube, turnover panel and several quartz crystals sensing
Device, the WirelessHD capture radar tester and are fixed by the bracket the top on the left of roadbed, and the rectangular recess is arranged on road
On the right side of the surface of base, the drainpipe is through rectangular recess front and rear surfaces central lower and extends on the outside of roadbed, the touching
It touches switch and distribution is fixedly connected on the left of the inner wall of rectangular recess up and down for inclination upwards close to switch, the mandrel is fixed to be inserted
It connecing before and after the rectangular recess on the right side of inner wall between center, the connecting tube is socketed on the outer wall of mandrel by torsional spring rotation,
Several quartz crystal sensors inlay the prominent right surface for being fixed on turnover panel；
The quartz crystal sensor signal connects data processing module, the data processing module signal connection control
Device, the controller are electrically connected power module, and the controller signals connect picture recognition module, wireless communication module and deposit
Module is stored up, the WirelessHD captures radar tester signal and connects picture recognition module, the power module electrical connection quartz
Crystal probe, the power module and WirelessHD, which are captured, to be parallel with close to switch and touching switch between radar tester.
Further, the WirelessHD captures radar tester model and uses HYHT204.
Further, the two-end-point weldering of the connecting tube is fixed with the retaining ring for being socketed in mandrel outer wall, and retaining ring and connection
Lubricating grease is filled in the cavity of pipe composition.
Further, telescopic baffle is provided with by slot and spring horizontal sliding on the right side of the opening of the rectangular recess,
And telescopic baffle is bonded with the right surface of turnover panel, is connected between turnover panel by nylon leaching net on the left of the opening of the rectangular recess
It connects.
Further, the power module includes civil power module, double power supply converting switch and solar powered module, described
Double power supply converting switch is electrically connected with civil power module and solar powered module respectively.
A kind of not parking weighing detection method of quartz crystal sensor combination, includes the following steps:
S1: the vehicle front of movement hits quartz crystal sensor, acquires impact force, while turnover panel turns left, and approaches
Switch starting makes WirelessHD capture radar tester starting, measures distance and Startup time；
S2: the vehicle front of movement presses always turnover panel, and quartz crystal sensor acquires this process active force changing value, together
When turnover panel rotate down, press touching switch, make WirelessHD capture radar tester starting, measure distance and finish time；
S3: utilizing formula Δ Ft=Δ VM, and WirelessHD captures radar tester and obtains Δ V and t, chooses quartz crystal
The variable quantity of measurement value sensor is Δ F, acquires M.
Compared with prior art, the beneficial effects of the present invention are:
The present invention measures impact force using quartz crystal sensor, then captures radar tester by WirelessHD and obtain speed
Degree changing value and run duration, wireless communication module pass the signal along to background monitoring center, finally public using impact force's calculation
Formula acquires quality, while using the one-directional rotation performance of turnover panel, preventing reversing automobile from reversely running away, which is easy to operate, together
When improve efficiency, meet the demand of not parking weighing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present system schematic diagram；
Fig. 3 is flow chart of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
Roadbed 1, WirelessHD capture radar tester 2, rectangular recess 3, drainpipe 4, touching switch 5, close to switch 6,
Mandrel 7, connecting tube 8, turnover panel 9, quartz crystal sensor 10, data processing module 11, controller 12, picture recognition module 13,
Wireless communication module 14, power module 15, memory module 16.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of not parking weighing of quartz crystal sensor combination
Detection device, including roadbed 1, WirelessHD capture radar tester 2, rectangular recess 3, drainpipe 4, touching switch 5, approach and open
6, mandrel 7, connecting tube 8, turnover panel 9 and several quartz crystal sensors 10 are closed, WirelessHD captures radar tester 2 and passes through bracket
It is fixed on the left side of roadbed 1 top, rectangular recess 3 is arranged on the right side of the surface of roadbed 1, and drainpipe 4 is through 3 front and back of rectangular recess
Face center lower part simultaneously extends to 1 outside of roadbed, and touching switch 5 is fixedly connected with close to distribution above and below the upward inclination of switch 6
On the left of the inner wall of rectangular recess 3, mandrel 7 is fixedly plugged on the right side of the front and back inner wall of rectangular recess 3 between center, connecting tube 8
It is socketed on the outer wall of mandrel 7 by torsional spring rotation, several quartz crystal sensors 10 inlay the prominent right table for being fixed on turnover panel 9
Face；
10 signal of quartz crystal sensor connects data processing module 11, and 11 signal of data processing module connects controller
12, controller 12 is electrically connected power module 15, and 12 signal of controller connects picture recognition module 13,14 and of wireless communication module
Memory module 16, WirelessHD capture 2 signal of radar tester and connect picture recognition module 13, and power module 15 is electrically connected quartz
Crystal probe 10, power module 15 and WirelessHD, which are captured, to be parallel with close to switch 6 and touching switch between radar tester 2
5。
Wherein, WirelessHD captures 2 model of radar tester and uses HYHT204, has wireless transmission function, reduces data
The use of line operates more convenient.
The two-end-point weldering of connecting tube 8 is fixed with the retaining ring for being socketed in 7 outer wall of mandrel, and the sky that retaining ring and connecting tube 8 form
It is intracavitary to be filled with lubricating grease, it prevents from blocking, makes to move unimpeded.
Telescopic baffle is provided with by slot and spring horizontal sliding on the right side of the opening of rectangular recess 3, and telescopic baffle with
The right surface of turnover panel 9 is bonded, and is connected between turnover panel 9 by nylon leaching net on the left of the opening of rectangular recess 3, is reduced sundries and is entered
3 inner cavity of rectangular recess and influence to drain.
Power module 15 includes civil power module, double power supply converting switch and solar powered module, double power supply converting switch
It is electrically connected respectively with civil power module and solar powered module, energy conservation and environmental protection.
A kind of not parking weighing detection method of quartz crystal sensor combination, includes the following steps:
S1: the vehicle front of movement hits quartz crystal sensor 10, acquires impact force, while turnover panel 9 is to the left (i.e. to square
In connected in star (3)) rotation, start close to switch 6, so that WirelessHD is captured radar tester 2 and start, when measuring distance and starting
It carves；
S2: the vehicle front of movement presses always turnover panel 9, and quartz crystal sensor 10 acquires the variation of this process active force
Value, while turnover panel 9 rotates down, and presses touching switch 5, so that WirelessHD is captured radar tester 2 and starts, measures distance and knot
The beam moment；
S3: utilizing formula Δ Ft=Δ VM, and WirelessHD captures radar tester 2 and obtains Δ V and t, chooses quartz-crystal
The variable quantity of 10 measured value of body sensor is Δ F, acquires M.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of not parking weighing detection device of quartz crystal sensor combination, including WirelessHD capture radar tester
(2), rectangular recess (3), drainpipe (4), touching switch (5), close to switch (6), mandrel (7), connecting tube (8), turnover panel (9) and
Several quartz crystal sensors (10), it is characterised in that: the WirelessHD is captured radar tester (2) and is fixed by the bracket
Top on the left of roadbed (1), the rectangular recess (3) are arranged on the surface of roadbed (1), and the drainpipe (4) is recessed through rectangle
Slot (3) front and rear surfaces central lower simultaneously extends on the outside of roadbed (1), and the touching switch (5) and close switch (6) are to updip
Tiltedly distribution is fixedly connected on the left of the inner wall of rectangular recess (3) up and down, and the mandrel (7) is fixedly plugged in rectangular recess (3)
On the right side of the inner wall of front and back between center, the connecting tube (8) is socketed on the outer wall of mandrel (7) by torsional spring rotation, several described
Quartz crystal sensor (10) inlays the prominent surface for being fixed on turnover panel (9)；
Quartz crystal sensor (10) signal connects data processing module (11), and data processing module (11) signal connects
It connects controller (12), the controller (12) is electrically connected power module (15), and controller (12) the signal connection image is known
Other module (13), wireless communication module (14) and memory module (16), the WirelessHD are captured radar tester (2) signal and are connected
It connects picture recognition module (13), the power module (15) is electrically connected quartz crystal sensor (10), the power module (15)
It captures and is parallel between radar tester (2) close to switch (6) and touching switch (5) with WirelessHD.
2. a kind of not parking weighing detection device of quartz crystal sensor combination according to claim 1, feature exist
In: the WirelessHD captures radar tester (2) model and uses HYHT204.
3. a kind of not parking weighing detection device of quartz crystal sensor combination according to claim 1, feature exist
In: the two-end-point of the connecting tube (8), which welds, is fixed with the retaining ring for being socketed in mandrel (7) outer wall, and retaining ring and connecting tube (8) form
Cavity in be filled with lubricating grease.
4. a kind of not parking weighing detection device of quartz crystal sensor combination according to claim 1, feature exist
Telescopic baffle is provided with by slot and spring horizontal sliding on the right side of the opening of: the rectangular recess (3), and telescopic baffle with
The right surface of turnover panel (9) is bonded, and is connect between turnover panel (9) by nylon leaching net on the left of the opening of the rectangular recess (3).
5. a kind of not parking weighing detection device of quartz crystal sensor combination according to claim 1, feature exist
In: the power module (15) includes civil power module, double power supply converting switch and solar powered module, the dual power supply switching
Switch is electrically connected with civil power module and solar powered module respectively.
6. a kind of using a kind of described in any item not parking weighing detection dresses of quartz crystal sensor combination of claim 1-5
Set the not parking weighing detection method of the quartz crystal sensor combination of execution, which comprises the steps of:
S1: acquisition vehicle front hits the impact force of quartz crystal sensor (10), while turnover panel (9) is into rectangular recess (3)
Rotation makes WirelessHD capture radar tester (2) starting, measures distance and Startup time close to switch (6) starting；
S2: when the vehicle front of movement presses always turnover panel (9), quartz crystal sensor (10) acquires the change of this process active force
Change value, while turnover panel (9) rotates down, and presses touching switch (5), so that WirelessHD is captured radar tester (2) starting, measures
Distance and finish time；
S3: utilizing formula Δ Ft=Δ VM, and WirelessHD captures radar tester (2) and obtains Δ V and t, chooses quartz crystal
The variable quantity of sensor (10) measured value is Δ F, acquires M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833555.7A CN110440889B (en) | 2019-09-04 | 2019-09-04 | Non-stop weighing detection device and method for quartz crystal sensor combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833555.7A CN110440889B (en) | 2019-09-04 | 2019-09-04 | Non-stop weighing detection device and method for quartz crystal sensor combination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110440889A true CN110440889A (en) | 2019-11-12 |
| CN110440889B CN110440889B (en) | 2023-08-29 |
Family
ID=68439211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910833555.7A Active CN110440889B (en) | 2019-09-04 | 2019-09-04 | Non-stop weighing detection device and method for quartz crystal sensor combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110440889B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551752A (en) * | 2021-08-03 | 2021-10-26 | 广州聚杰智能称重实业有限公司 | Intelligent dual-mode non-dead-angle non-stop weighing detection device |
| CN117173637A (en) * | 2023-09-25 | 2023-12-05 | 广东长盈科技股份有限公司 | Unattended weighing anti-cheating method, device and system and readable medium |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4539650A (en) * | 1980-11-24 | 1985-09-03 | Griffin Thomas D | Mass calculating and indicating means for weighing moving vehicles |
| CN101363751A (en) * | 2007-08-06 | 2009-02-11 | 西门子公司 | Method and device for setting the load of a vehicle in motion |
| JP2009269559A (en) * | 2008-05-09 | 2009-11-19 | Toyota Motor Corp | Method and apparatus for estimating vehicle weight and vehicle traveling control device |
| CN203054935U (en) * | 2012-12-17 | 2013-07-10 | 山东易构软件技术有限公司 | Electronic toll collection system by weight utilizing laser radar |
| CN103292882A (en) * | 2012-02-23 | 2013-09-11 | 刘素华 | Mobile car automatic weighing platform |
| CN104089690A (en) * | 2014-07-02 | 2014-10-08 | 江苏大学 | Toll station vehicle dynamic weighing estimation method and device |
| CN105352575A (en) * | 2015-11-06 | 2016-02-24 | 张家界恒亮新材料科技有限公司 | Rail transport ore bucket dynamic weighing device |
| CN106068217A (en) * | 2014-03-12 | 2016-11-02 | 奥地利西门子公司 | For the apparatus and method for rail vehicle cognitive disorders thing |
| CN205879324U (en) * | 2016-08-06 | 2017-01-11 | 山西国强高科股份有限公司 | Simplex pull rod stop device in middle of independent weighing platform |
| CN206814036U (en) * | 2017-06-09 | 2017-12-29 | 酒泉市得意机械制造有限责任公司 | A kind of new hydraulic flap car unloader for carrying function of weighing |
| CN207779528U (en) * | 2017-12-29 | 2018-08-28 | 广东长亨石业有限公司 | A kind of Self-watering depositing dust weighbridge device |
| FR3065075A1 (en) * | 2017-04-07 | 2018-10-12 | Pourang Mahdavi | DEVICE FOR VERIFYING TIRES |
| CN208043215U (en) * | 2017-12-26 | 2018-11-02 | 杭州临安区安澜科技有限公司 | A kind of anti-cheat monitoring device of electronic vehicle weighing apparatus |
| CN108831156A (en) * | 2018-06-29 | 2018-11-16 | 广东泓胜科技股份有限公司 | A kind of non-at-scene detection comprehensive law enforcement management system of overload |
| US20190206240A1 (en) * | 2017-08-16 | 2019-07-04 | Velsis Sistemas E Tecnologia Viaria S/A | System for monitoring dynamic weighing and speed of vehicles on lanes |
-
2019
- 2019-09-04 CN CN201910833555.7A patent/CN110440889B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4539650A (en) * | 1980-11-24 | 1985-09-03 | Griffin Thomas D | Mass calculating and indicating means for weighing moving vehicles |
| CN101363751A (en) * | 2007-08-06 | 2009-02-11 | 西门子公司 | Method and device for setting the load of a vehicle in motion |
| JP2009269559A (en) * | 2008-05-09 | 2009-11-19 | Toyota Motor Corp | Method and apparatus for estimating vehicle weight and vehicle traveling control device |
| CN103292882A (en) * | 2012-02-23 | 2013-09-11 | 刘素华 | Mobile car automatic weighing platform |
| CN203054935U (en) * | 2012-12-17 | 2013-07-10 | 山东易构软件技术有限公司 | Electronic toll collection system by weight utilizing laser radar |
| CN106068217A (en) * | 2014-03-12 | 2016-11-02 | 奥地利西门子公司 | For the apparatus and method for rail vehicle cognitive disorders thing |
| CN104089690A (en) * | 2014-07-02 | 2014-10-08 | 江苏大学 | Toll station vehicle dynamic weighing estimation method and device |
| CN105352575A (en) * | 2015-11-06 | 2016-02-24 | 张家界恒亮新材料科技有限公司 | Rail transport ore bucket dynamic weighing device |
| CN205879324U (en) * | 2016-08-06 | 2017-01-11 | 山西国强高科股份有限公司 | Simplex pull rod stop device in middle of independent weighing platform |
| FR3065075A1 (en) * | 2017-04-07 | 2018-10-12 | Pourang Mahdavi | DEVICE FOR VERIFYING TIRES |
| CN206814036U (en) * | 2017-06-09 | 2017-12-29 | 酒泉市得意机械制造有限责任公司 | A kind of new hydraulic flap car unloader for carrying function of weighing |
| US20190206240A1 (en) * | 2017-08-16 | 2019-07-04 | Velsis Sistemas E Tecnologia Viaria S/A | System for monitoring dynamic weighing and speed of vehicles on lanes |
| CN208043215U (en) * | 2017-12-26 | 2018-11-02 | 杭州临安区安澜科技有限公司 | A kind of anti-cheat monitoring device of electronic vehicle weighing apparatus |
| CN207779528U (en) * | 2017-12-29 | 2018-08-28 | 广东长亨石业有限公司 | A kind of Self-watering depositing dust weighbridge device |
| CN108831156A (en) * | 2018-06-29 | 2018-11-16 | 广东泓胜科技股份有限公司 | A kind of non-at-scene detection comprehensive law enforcement management system of overload |
Non-Patent Citations (2)
| Title |
|---|
| 王翥;侯甲童;: "基于数据融合的动态称重传感器布局研究", 仪表技术与传感器, no. 06 * |
| 贾生尧;厉志飞;章越海;徐志玲;李雄;李青;: "汽车动态称重系统的信号处理研究", 自动化仪表, no. 10 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551752A (en) * | 2021-08-03 | 2021-10-26 | 广州聚杰智能称重实业有限公司 | Intelligent dual-mode non-dead-angle non-stop weighing detection device |
| CN113551752B (en) * | 2021-08-03 | 2023-02-24 | 广州聚杰智能称重实业有限公司 | Bimodulus does not have dead angle detection device that weighs that does not stop |
| CN117173637A (en) * | 2023-09-25 | 2023-12-05 | 广东长盈科技股份有限公司 | Unattended weighing anti-cheating method, device and system and readable medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110440889B (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100559205C (en) | Concentration/distribution formula accumulator of electric car group system for inspecting operation parameter | |
| CN110440889A (en) | A kind of not parking weighing detection device and method of quartz crystal sensor combination | |
| CN201589861U (en) | Range finder | |
| CN103076054B (en) | A kind of method measuring minimum gas | |
| CN103950433A (en) | Leveling control system and leveling control method of vehicle-mounted platform | |
| CN102980624A (en) | Automobile fuel quantity signal indicating system and fuel quantity computing method | |
| CN203083519U (en) | Non-contact silicon chip thickness and resistivity detection system | |
| CN104391249B (en) | Cell electric quantity displaying method and device and mobile terminal | |
| CN105954037B (en) | A kind of the engine performance detecting system and method for heavy type waggon | |
| CN102706799A (en) | Portable device and method for testing friction coefficient of pavement | |
| CN202209948U (en) | Vehicle-mounted road ride comfort measurement system | |
| CN109405851A (en) | Test device and test method based on auto-collimation zero indicator and optical fibre gyro | |
| CN102778268A (en) | Integrated measurement system for indirectly measuring oil consumption of vehicular fuel oil | |
| CN203824529U (en) | Tire deformation online testing device based on optical flow | |
| CN203704915U (en) | Digital wireless inclination angle measuring instrument | |
| CN209841395U (en) | Portable automobile door closing energy test system | |
| CN103792382A (en) | Rotation speed measuring method and device | |
| CN101639377A (en) | Intelligent meter weighing system based on quartz weighing sensor | |
| CN203178302U (en) | Automatic measurement device for driving speeds of industrial vehicle | |
| CN206440659U (en) | A kind of CPLD humidity measuring circuits | |
| CN101403718B (en) | Method for detecting ambient humidity by utilizing single-chip port and single-chip | |
| CN205665008U (en) | Quick detecting system of engine performance of heavy delivery wagon | |
| CN102736579A (en) | Wireless remote control temperature measurement trolley communicated with upper computer | |
| CN201392255Y (en) | Ultrasonic-wave calorimeter integrating measurement of flow rate and temperature | |
| CN209642986U (en) | A kind of base station engineering parameter acquisition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |