CN205843965U - A kind of factory car performance detector - Google Patents
A kind of factory car performance detector Download PDFInfo
- Publication number
- CN205843965U CN205843965U CN201620501959.8U CN201620501959U CN205843965U CN 205843965 U CN205843965 U CN 205843965U CN 201620501959 U CN201620501959 U CN 201620501959U CN 205843965 U CN205843965 U CN 205843965U
- Authority
- CN
- China
- Prior art keywords
- module
- cpu
- handheld terminal
- factory
- test lead
- 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.)
- Active
Links
Abstract
This utility model provides a kind of factory car performance detector, including test lead;Described test lead includes a CPU, gyro sensor, laser sensor, top machine and the first display module;Described gyro sensor, laser sensor, top machine and the first display module are connected with a described CPU respectively.Described test lead also includes the first wireless communication module;Described tester also includes that handheld terminal, described handheld terminal include the 2nd CPU, the second wireless communication module, the second display module and the second memory module;Described second wireless communication module, the second display module and the second memory module are connected with described 2nd CPU respectively;Described first wireless communication module is connected with described second wireless communication module radio communication;Described top machine is also connected with described laser sensor.This utility model has that installation is convenient, and method of testing is simple, it is not necessary to manual intervention, is automatically performed performance test, and the test parameter advantage such as accurately.
Description
Technical field
This utility model relates to detecting device field, particularly relates to a kind of factory car performance detector.
Background technology
For the consideration of the factor such as safety and work efficiency, need periodically to test, the performance of factory's car with really
Protect the work safety of factory's car.Prior art is to factory's car, the stay cord with encoder as commonly used in the performance detection mode of fork truck
Sensor is measured fork truck yoke and is included the tests such as the rate of climb, decrease speed, leakage rate, prong difference in height, is passed by angle
Sensor measures gantry angle variable quantity.Wherein, the test process of rope sensor is: fixing stretching one end on fork truck yoke,
Yoke moves up and down, and drives rope sensor action, is converted to rotary encoder output, completes distance test;Pass through software again
Calculate, indirectly measure descending of forklift speed.Use above-mentioned method of testing to have the disadvantage in that test inconvenience, start test
Before, it is necessary to assure stretching is perpendicular to measure bottom surface;It is also desirable to operator in test process by range estimation subjective judgment
Fork truck speed, calculates starting point and end point, then presses the button the operation controlling fork truck.
Accordingly, it is desirable to provide a kind of can overcome existing measured the limitation existing for forklift truck properties by rope sensor
The detector of property.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of factory car performance detector, the letter of structure, method of testing
Single, and the performance test to factory's car can be automatically performed, it is not necessary to manually participate in.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of factory car performance detector, including test lead;
Described test lead includes a CPU, gyro sensor, laser sensor, top machine and the first display module;Institute
State gyro sensor, laser sensor, top machine and the first display module to be connected with a described CPU respectively;Described top machine
Also it is connected with described laser sensor.
Wherein, described test lead also includes the first universal asynchronous receiving-transmitting transmitter and the first memory module;Described first leads to
It is connected with a described CPU respectively by asynchronous receiving-transmitting transmitter and the first memory module.
Wherein, described test lead also includes the first key-press module and the first power management module;Described first key-press module
It is connected with a described CPU respectively with the first power management module.
Wherein, described test module also includes a Flash module, and a described Flash module is with a described CPU even
Connect.
Wherein, described test lead also includes the first wireless communication module;
Described tester also include handheld terminal, described handheld terminal include the 2nd CPU, the second wireless communication module, second show
Show module and the second memory module;Described second wireless communication module, the second display module and the second memory module are respectively
It is connected with described 2nd CPU;
Described first wireless communication module is connected with described second wireless communication module radio communication.
Wherein, described handheld terminal also includes the second universal asynchronous receiving-transmitting transmitter and clock module;Described second general different
Step receiving-transmitting transmitter and clock module are connected with described 2nd CPU respectively.
Wherein, described handheld terminal also includes that the 2nd Flash module, second source manage module;Described 2nd Flash mould
Block, second source management module is connected with described 2nd CPU respectively.
Wherein, described handheld terminal also includes card reading module;Described card reading module is connected with described 2nd CPU.
Wherein, described handheld terminal also includes USB interface and the second key-press module;Described USB interface and the second key-press module
It is connected with described 2nd CPU respectively.
Wherein, described handheld terminal also includes that GPS module, described GPS module are connected with described 2nd CPU.
The beneficial effects of the utility model are: the method for testing being different from prior art exists test inconvenience, needs
The limitation such as artificial participation.Factory's car performance detector that this utility model provides, it is possible to realize factory's car, as fork truck yoke with
And the parts such as door frame carry out performance test;Before test, it is possible to automatically adjust test component to standard angle by top machine, carry
The accuracy of high laser ranging;Range finding can be realized by laser sensor in test component motor process;Pass through gyroscope
Sensor detection yoke includes declining starting point, the kinestate of end point, then by the calculating of a CPU, obtains test
The performance test parameter of parts, and shown by the first display module.It is convenient that this utility model has installation, method of testing letter
Single, it is not necessary to manual intervention, it is automatically performed performance test, and the test parameter advantage such as accurately.
Accompanying drawing explanation
Fig. 1 is the structure composition schematic diagram of the test lead of a kind of factory of this utility model car performance detector;
Fig. 2 is the structure composition schematic diagram of the handheld terminal of a kind of factory of this utility model car performance detector;
Fig. 3 is the overall structure schematic diagram of a kind of factory of this utility model car performance detector.
Label declaration:
1, test lead;2, handheld terminal;
101, a CPU;102, gyro sensor;103, laser sensor;104, top machine;
105, the first display module;106, the first universal asynchronous receiving-transmitting transmitter;107, the first memory module;
108, the first key-press module;109, the first power management module;110, a Flash module;
111, the first wireless communication module;
201, the 2nd CPU;202, the second wireless communication module;203, the second display module;
204, the second memory module;205, the second universal asynchronous receiving-transmitting transmitter;206, clock module;
207, the 2nd Flash module;208, second source management module;209, card reading module;
210, USB interface;211, the second key-press module;212, GPS module.
Detailed description of the invention
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment and join
Conjunction accompanying drawing is explained.
The design of this utility model most critical is: can adjust test component by top machine and be in standard angle, pass through
Laser sensor realizes precisely range finding, is measured the kinematic parameters such as component height, speed and angle by gyro sensor;Logical
Cross a CPU and calculate the performance parameter obtaining test component.
Refer to Fig. 1, this utility model provides a kind of forklift truck properties detector, including test lead;
Described test lead includes a CPU, gyro sensor, laser sensor, top machine and the first display module;Institute
State gyro sensor, laser sensor, top machine and the first display module to be connected with a described CPU respectively;Described top machine
Also it is connected with described laser sensor.
Knowable to foregoing description, the beneficial effects of the utility model are: this utility model is capable of fork truck yoke
The correlated performance test of the yokes such as raising and lowering velocity test, leakage test, prong difference in height test, and need not fork
Arm configuration improves, and bottom environment is unrestricted, and yoke type is unrestricted, only needs fixing tester at fork in test process
On arm, press start button and can be automatically performed the performance test of yoke;Meanwhile, the survey to forklift door frame inclination angle can also be realized
Examination;Method of testing of the present utility model is simple, simple operation, facilitates staff to judge parts according to acquired test parameter
Whether performance meets safety criterion, improves checkability and certainty of measurement simultaneously.
Further, described test lead also includes the first universal asynchronous receiving-transmitting transmitter and the first memory module;Described
One universal asynchronous receiving-transmitting transmitter and the first memory module are connected with a described CPU respectively.
Seen from the above description, test lead can realize test parameter in serial by the first universal asynchronous receiving-transmitting transmitter
Transmission conversion between communication and parallel communication, makes the output form of test parameter possess versatility.Simultaneously, moreover it is possible to will detect
Data and test parameter store, in order to call at any time.
Further, described test lead also includes the first key-press module and the first power management module;Described first button
Module and the first power management module connect respectively at a described CPU.
Seen from the above description, test lead can also start test by the first key-press module and adjust relevant parameter
Whole;Simultaneously, moreover it is possible to by the first power management module realize power supply conversion, respectively and detection, improve energy utilization rate, make survey
Examination instrument plays optimum performance.
Further, described test module also includes a Flash module, a described Flash module and described first
CPU connects.
Seen from the above description, test lead can also support that acquired test parameter is changed into animated opens up
Show, facilitate the very clear service behaviour understanding test component of staff, optimal inspection effect.
Further, described test lead also includes the first wireless communication module;
Described tester also include handheld terminal, described handheld terminal include the 2nd CPU, the second wireless communication module, second show
Show module and the second memory module;Described second wireless communication module, the second display module and the second memory module are respectively
It is connected with described 2nd CPU;
Described first wireless communication module is connected with described second wireless communication module radio communication.
Seen from the above description, tester also includes the handheld terminal being connected with test lead radio communication, can not only pass through
Handheld terminal controls test lead, but also can the test parameter of real-time reception test lead, facilitate staff strange land to control test
End, and grasp the detection case to fork truck;Meanwhile, handheld terminal also has the function of storage detection parameter, it is achieved to detection knot
The archive of fruit.
Further, described handheld terminal also includes the second universal asynchronous receiving-transmitting transmitter and clock module;Described second leads to
It is connected with described 2nd CPU respectively with asynchronous receiving-transmitting transmitter and clock module.
Seen from the above description, handheld terminal is supported parameter is carried out serioparallel exchange and parallel-serial conversion equally, it is achieved parameter
Asynchronous transmission.Handheld terminal can also provide tally function by clock module.
Further, described handheld terminal also includes that the 2nd Flash module, second source manage module;Described 2nd Flash
Module, second source management module is connected with described 2nd CPU respectively.
Seen from the above description, handheld terminal also supports that test parameter is changed into animated is shown;Meanwhile, also can
By power source charges and the normal power supply of guarantee equipment of second source management module management handheld terminal, provide good for handheld terminal
Energy conservation.
Further, described handheld terminal also includes card reading module;Described card reading module is connected with described 2nd CPU.
Further, described handheld terminal also includes USB interface and the second key-press module;Described USB interface and the second button
Module is connected with described 2nd CPU respectively.
Seen from the above description, handheld terminal also supports ancillary equipment to pass through card reading module or USB interface obtains detection ginseng
Number, provides number of ways for parameter transmission;Meanwhile, it is configured with the second key-press module, conveniently handheld terminal is manipulated.
Further, described handheld terminal also includes that GPS module, described GPS module are connected with described 2nd CPU.
Seen from the above description, handheld terminal is also equipped with GPS positioning function, it is possible to realize the location to handheld terminal, it is to avoid its
Lose.
Embodiment one:
Refer to Fig. 1, the present embodiment provides a kind of forklift truck properties detector, including test lead 1;Described test lead 1 includes
Oneth CPU101, gyro sensor 102, laser sensor 103, top machine 104 and the first display module 105;Described gyro
Instrument sensor 102, laser sensor 103, top machine 104 and the first display module 105 are connected with a described CPU101 respectively;
Described top machine is also connected with described laser sensor.
Preferably, described test lead 1 also include first universal asynchronous receiving-transmitting transmitter the 106, first memory module 107,
One key-press module the 108, first power management module 109 and a Flash module 110;Described first universal asynchronous receiving-transmitting passes
Defeated device the 106, first memory module the 107, first key-press module the 108, first power management module 109 and a Flash module
110 are connected with a described CPU101 respectively.
Preferably, described gyro sensor 102 is MPU-6050 chip, and it is conformability six axle motion process assembly,
Can accurately follow the trail of quickly with action at a slow speed, enough read moving object direction of principal axis in motor process change, rapid change and
Acceleration of gravity changes.Described first memory module 107 is preferably RAM memory module;Described first display module is preferably liquid
Brilliant display LCD.
Embodiment two
Referring to Fig. 1 and Fig. 2, the present embodiment provides a kind of forklift truck properties detector, including the test lead in embodiment one
1, further, also include handheld terminal 2, including the 2nd CPU201, second wireless communication module the 202, second display module 203,
Second memory module the 204, second universal asynchronous receiving-transmitting transmitter 205, clock module the 206, the 2nd Flash module the 207, second electricity
Source control module 208, card reading module 209, USB interface the 210, second key-press module 211 and GPS module 212;Described second wireless
Communication module the 202, second display module the 203, second memory module the 204, second universal asynchronous receiving-transmitting transmitter 205, clock mould
Block the 206, the 2nd Flash module 207, second source management module 208, card reading module 209, USB interface the 210, second button mould
Block 211 and GPS module 212 are connected with described 2nd CPU201 respectively;
Described test lead 1 is also configured with the first wireless communication module 111, and described test lead 1 is by the first radio communication mold
Second wireless communication module 202 of block 111 and described handheld terminal 2 sets up radio communication annexation.
The operation principle of the forklift truck properties detector that the present embodiment provides is:
(1) measure the yoke rate of climb to test:
Fork truck is standard state, strains hand braking, is fixed on the yoke of fork truck in modes such as buckles by test lead;Pass through
First key-press module starts detector work.Whether angle is there is between detector detection laser sensor and ground, if existing,
Then automatically adjusted the position of laser sensor by top machine, it is ensured that the two is in 90 ° vertically.Truck driver is continuously by yoke
It is raised to the maximum height position of yoke stroke, stops;During yoke ascending motion, automatically measured by laser sensor with
Distance between ground, and ranging data is sent to a CPU;Same, in motor process, described MPU-6050 is also by right
The data such as initial point, rising terminal, climb acceleration speed, angle of elevation that are raised of yoke measure, and by measurement data
Send to a CPU;A described CPU calculates according to ranging data and measurement data and obtains test parameter, described test parameter
The average speed risen including yoke, maximal rate and rise time etc.;Test parameter will be shown by the first display module
Show, facilitate checking of reviewer, and judge whether the rate of climb of yoke meets safety criterion according to test parameter, improve inspection
Test efficiency and certainty of measurement.
Yoke decrease speed test process is similar to the above, no longer describes in detail at this.
(2) test of leakage rate (natural downslide amount)
Fork truck is standard state, strains hand braking, is fixed on the yoke of fork truck in modes such as buckles by test lead;Fork truck
Driver controls to rise to load liftoff preset height (such as 2 meters) position, closes hydraulic distributing valve, and fork truck shuts down;Inspection
Survey personnel are triggered by the second key-press module of handheld terminal and start leakage rate detection instruction, and send to test lead;Meanwhile, hand-held
Hold and start first countdown by clock module, such as 5 minutes;After test lead receives leakage rate detection instruction, start detection
Instrument works.First whether there is angle between detector detection laser sensor and ground, if existing, then automatically being adjusted by top machine
The position of whole laser sensor, it is ensured that the laser vertical ground that laser sensor sends;Then test lead passes through laser sensor
Obtain the current terrain clearance of yoke, be designated as elemental height;At the end of the countdown of handheld terminal, control test lead and pass through laser
The terrain clearance of sensor detection fork truck yoke, is designated as the second height;Second height is sent the second display mould to handheld terminal
Block shows;Handheld terminal, while receiving the second height, starts second countdown, such as 10 minutes;Same, test
End detection at the end of countdown obtains the terrain clearance of yoke, is designated as third height, and sends to handheld terminal and show;Survey
Examination end will obtain the leakage rate (yoke height slippage) of yoke according to elemental height, the first height and the second high computational;
And the amount of will leak out transmission shows to handheld terminal.
(3) prong difference in height test
Fork truck is standard state, strains hand braking, and test lead is fixed on one of them fork of fork truck in modes such as buckles
On arm;Truck driver controls to rise to load liftoff preset height (such as 3 meters) position, closes hydraulic distributing valve, and fork truck stops
Only operating.Testing staff is triggered by the second key-press module of handheld terminal and starts the instruction of prong height detection, and sends to test
End;Test lead starts automatically to detect, and first whether there is angle between detector detection laser sensor and ground, if existing,
Then automatically adjusted the position of laser sensor by top machine, it is ensured that the laser vertical ground that laser sensor sends;Then pass through
Laser sensor obtains the terrain clearance when front cross-arm, is designated as the first yoke height;The yoke position keeping detected is motionless, will
Test lead is fixed on another yoke;Start detection equally, obtain the terrain clearance when front cross-arm, be designated as the second yoke high
Degree;Oneth CPU of test lead obtains prong difference in height according to the first yoke height and the second yoke high computational;And show first
Show and show in module, and send to handheld terminal, by the second display module simultaneous display.
(4) test at door frame (pallet fork) inclination angle
Fork truck is standard state, strains hand braking, is fixed on the door frame of fork truck in modes such as buckles by test lead;Detection
Personnel are triggered by the second key-press module of handheld terminal and start the instruction of door frame inclination angle detection, and send to test lead, meanwhile, hand-held
End initially enters first countdown, it is assumed that countdown 5 minutes;Test lead starts automatically to detect, first detector detection laser
Whether there is angle between sensor and ground, if existing, then automatically being adjusted the position of laser sensor by top machine, it is ensured that swash
The laser vertical ground that optical sensor sends.Then test lead obtains the angle when front door frame by laser sensor, at the beginning of being designated as
Beginning angle;At the end of handheld terminal countdown, control the test lead angle by laser sensor detection door frame, be designated as second jiao
Degree;Second display module of the second angle transmission to handheld terminal is shown;Handheld terminal while receiving the second angle,
Start second countdown, such as 10 minutes;Same, test lead detects the angle obtaining door frame at the end of countdown, is designated as
Third angle, and send to handheld terminal and show;Test lead will be according to initial angle, the first angle and the second angle calculation
Obtain the change of pitch angle amount of door frame;And the transmission of change of pitch angle amount is shown to handheld terminal.
In sum, a kind of factory car performance detector that this utility model provides, can not only be to various factories cars such as fork trucks
Properties detect, then show test parameter;And the detection work of test lead can also be controlled by handheld terminal strange land
Make, facilitate the operation of staff;Further, moreover it is possible to by test parameter by other transmission means such as USB interface, card reader
Transmit to ancillary equipment, the convenient further analysis to test parameter;Further, moreover it is possible to support string the side of transmission of data
Formula turns mutually, it is achieved the asynchronous transmission of parameter.This utility model simple in construction, method of testing are simple, without artificial participation, it is possible to real
Existing Aulomatizeted Detect, the degree of accuracy of test parameter is high simultaneously, for judging whether conformance with standard provides foundation to the performance of factory's car.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize the equivalents that this utility model description and accompanying drawing content are made, or be directly or indirectly used in relevant technology neck
Territory, is the most in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. factory's car performance detector, it is characterised in that include test lead;
Described test lead includes a CPU, gyro sensor, laser sensor, top machine and the first display module;Described top
Spiral shell instrument sensor, laser sensor, top machine and the first display module are connected with a described CPU respectively;Described top machine also with
Described laser sensor connects.
2. a kind of factory as claimed in claim 1 car performance detector, it is characterised in that described test lead also includes that first is general
Asynchronous receiving-transmitting transmitter and the first memory module;Described first universal asynchronous receiving-transmitting transmitter and the first memory module respectively with institute
State a CPU to connect.
3. a kind of factory as claimed in claim 1 car performance detector, it is characterised in that described test lead also includes the first button
Module and the first power management module;Described first key-press module and the first power management module are respectively with a described CPU even
Connect.
4. a kind of factory as claimed in claim 1 car performance detector, it is characterised in that described test lead also includes first
Flash module, a described Flash module is connected with a described CPU.
5. a kind of factory car performance detector as described in claim 1-4 any one, it is characterised in that described test lead also wraps
Include the first wireless communication module;
Described detector also includes that handheld terminal, described handheld terminal include the 2nd CPU, the second wireless communication module, the second display mould
Block and the second memory module;Described second wireless communication module, the second display module and the second memory module respectively with institute
State the 2nd CPU to connect;
Described first wireless communication module is connected with described second wireless communication module radio communication.
6. a kind of factory as claimed in claim 5 car performance detector, it is characterised in that described handheld terminal also includes that second is general
Asynchronous receiving-transmitting transmitter and clock module;Described second universal asynchronous receiving-transmitting transmitter and clock module are respectively with described second
CPU connects.
7. a kind of factory as claimed in claim 5 car performance detector, it is characterised in that described handheld terminal also includes second
Flash module, second source management module;Described 2nd Flash module, second source management module is respectively with described second
CPU connects.
8. a kind of factory as claimed in claim 5 car performance detector, it is characterised in that described handheld terminal also includes Card Reader mould
Block;Described card reading module is connected with described 2nd CPU.
9. a kind of factory as claimed in claim 5 car performance detector, it is characterised in that described handheld terminal also includes USB interface
With the second key-press module;Described USB interface and the second key-press module are connected with described 2nd CPU respectively.
10. a kind of factory as claimed in claim 5 car performance detector, it is characterised in that described handheld terminal also includes GPS mould
Block, described GPS module is connected with described 2nd CPU.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620501959.8U CN205843965U (en) | 2016-05-27 | 2016-05-27 | A kind of factory car performance detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620501959.8U CN205843965U (en) | 2016-05-27 | 2016-05-27 | A kind of factory car performance detector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205843965U true CN205843965U (en) | 2016-12-28 |
Family
ID=57623164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620501959.8U Active CN205843965U (en) | 2016-05-27 | 2016-05-27 | A kind of factory car performance detector |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205843965U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109307601A (en) * | 2018-04-23 | 2019-02-05 | 温州市特种设备检测研究院 | A kind of vehicle braking ability wireless detecting system |
-
2016
- 2016-05-27 CN CN201620501959.8U patent/CN205843965U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109307601A (en) * | 2018-04-23 | 2019-02-05 | 温州市特种设备检测研究院 | A kind of vehicle braking ability wireless detecting system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207832410U (en) | A kind of bridge detecting device | |
CN203178143U (en) | Automatic bending rigidity test device | |
CN204823821U (en) | Field quick counterpoint system of bridge crane utensil | |
CN206955475U (en) | A kind of intelligent tower crane system | |
CN105347192A (en) | Online monitoring system and method of deflection of portal crane girder | |
CN208795236U (en) | A kind of construction testing apparatus for verticality | |
CN107161822A (en) | Quick measurement car and the detector and measuring method of well enclosure distance | |
CN205843965U (en) | A kind of factory car performance detector | |
CN205076726U (en) | Tower machine lifting hook height measurement system and have its tower machine | |
CN202938729U (en) | Ranging rod for length and distance measurement by using angle | |
CN209945313U (en) | Crack detection device for road and bridge | |
CN207090714U (en) | Elevator brake distance test instrument | |
CN203048431U (en) | Tower crane work monitoring device | |
CN107102313A (en) | A kind of detection means | |
CN206872202U (en) | Quick measurement car and the detector of well enclosure distance | |
CN209443804U (en) | A kind of construction discharging platform | |
CN103913154A (en) | Measurement system device for constructional engineering | |
CN207351683U (en) | A kind of jack detection device | |
CN216694851U (en) | Bridge cantilever construction is with hanging vertical deformation real-time supervision device of basket | |
CN210735898U (en) | On-site test equipment for running and braking performance of construction elevator | |
CN208596175U (en) | Hoisting machinery lifting velocity measuring device | |
CN210570834U (en) | Low-power-consumption bridge surface crack detection system | |
CN209764272U (en) | Device for measuring temperature of pavement layer in high-temperature asphalt paving process | |
CN205537536U (en) | Embrace pole deformation measurement appearance | |
CN208166262U (en) | Staircase speed, sync rates, braking distance detection device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |