CN2614345Y - Dynamic moped tester - Google Patents
Dynamic moped tester Download PDFInfo
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- CN2614345Y CN2614345Y CN 03222104 CN03222104U CN2614345Y CN 2614345 Y CN2614345 Y CN 2614345Y CN 03222104 CN03222104 CN 03222104 CN 03222104 U CN03222104 U CN 03222104U CN 2614345 Y CN2614345 Y CN 2614345Y
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- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
An electric bicycle dynamic tester comprises two single-chip circuits, wherein one of the single-chip circuits substantially comprises an 89C2051 single-chip and the like for picking the voltage and current signals and the other one of the single-chip circuit comprises an 89C51 single-chip, a 74LS373 flip-latch, a 29C512 memory and a MAX232 series interface chip which are electrically connected for collecting the speed signals, storing the data and sending the data to an upper computer, the upper computer calculates the parameters as driving resistance, overall efficiency and battery internal resistance of the electric bicycles, the utility model solves the dynamic testing problems in the process of overall road test of the electric bicycles and has great utilizing effect and broad practicability.
Description
One, technical field
The utility model relates to the electric bicycle dynamic test set, is a kind of electronic measuring instrument that the electric bicycle performance is tested, and is particularly useful for electric bicycle is carried out performance test in the examination of road.
Two, background technology
At present, the electric performance test to electric bicycle is mainly static test, generally uses conventional instruments such as multimeter with the car dynamic test, by the manual record operational factor, can not draw car load efficient.
Three, technology contents
(1) goal of the invention
The purpose of this utility model provides a kind of electric bicycle dynamic test set, it can be installed on the electric bicycle that travels, continuous coverage a period of time, then data are sent into computing machine and carried out computing, produce the motion graphics curve, and extrapolate car load efficient, and provide the running parameter of motor, battery and controller, be convenient to car load and dispatch from the factory and check and failure judgment when car keeped in repair.
(2) technical scheme
The utility model electric bicycle dynamic test set, it comprises two single chip circuits, the receiving port RX of the transmission mouth TX of the serial communication interface of the single-chip microcomputer on single chip circuit and receiving port RX and the serial communication interface of another single-chip microcomputer with send mouthful corresponding electricity of TX and link to each other, so that transmit data each other, be connected with a RS232 serial interface chip in one of them single chip circuit, measured data can be sent to host computer and carry out data processing.Two single chip circuits are respectively: a single chip circuit is the 89C2051 single-chip microcomputer, voltage measurement end VR receives two negative input ends of LM339, power supply VCC receives an end of resistance R 8, the other end of resistance R 8 is received the positive input terminal of LM339, and receive on the ground through resistance R 11, the positive input terminal of LM339 is received on the ground through capacitor C 17, the output terminal of LM339 is received on the port of single-chip microcomputer, current signal ID receives the positive input terminal of LM358, the negative input end of LM358 is through resistance R 16 ground connection, and receive output terminal through resistance R 14, and its output terminal is received another positive input terminal of LM339, and the output terminal of LM339 is received on another port of single-chip microcomputer; Another single chip circuit is 89C51 single-chip microcomputer, 74LS373 latch, eprom memory, MAX232 serial interface chip electrical connection composition.
(3) technique effect
The utility model electric bicycle dynamic test set, be best suited for the dynamic test in the electric bicycle car load road examination process, adopt the double mcu real time data of collection and storage voltage, electric current and speed respectively, can draw the efficient of car load, easy for installation, reliable operation is convenient to vehicle detection and maintenance.
Four, description of drawings:
Accompanying drawing is the utility model circuit theory diagrams.
Among the figure, 89C51 and AT89C2051 are single-chip microcomputer, and 74LS373 is a latch, and 29C512 is a data-carrier store, and MAX 232 is for being standard RS232 electric level interface chip with the single-chip microcomputer level conversion, and LM358 is an operational amplifier, and LM339 is a voltage comparator.
Five, embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is described further:
The utility model electric bicycle dynamic test set, it mainly is made up of two single chip circuits, the real time data of collection and storage voltage, electric current and speed respectively, the receiving port RX of the transmission mouth TX of the serial communication interface of the single-chip microcomputer on single chip circuit and receiving port RX and the serial communication interface of another single-chip microcomputer with send mouthful corresponding electricity of TX and link to each other, so that transmit data each other, be connected with a RS232 interface chip in one of them single chip circuit, measured data can be sent to host computer and carry out data processing.Two single chip circuits are respectively: a single chip circuit is (U5:89C2051) single-chip microcomputer, voltage signal (VR) terminates to the negative input end 4 and 6 pin of (U2:LM339), power supply VCC receives an end of resistance (R8), the other end of resistance R 8 is received positive input terminal 5 pin of LM339, and receive power supply on the ground through resistance R 11, the positive input terminal 5 foot meridian capacitor C17 of LM339 receive on the ground, the output terminal of LM339 is received on the port (P.6) of single-chip microcomputer, current signal ID receives positive input terminal 3 pin of LM358, the negative input pin 2 of LM358 is through resistance R 16 ground connection, and receive output terminal ID0 through resistance R 14, ID0 receives another positive input terminal 7 pin of LM339, and output terminal 1 pin of LM339 is received on another port (P.5) of single-chip microcomputer; Another single chip circuit is (U7:89C51) single-chip microcomputer, (U8:74LS373) latch, eprom memory (U10:29C512), serial interface chip (U9:MAX232) electrical connection composition.Serial interface chip is responsible for sending the detection data to host computer.
Claims (2)
1. electric bicycle dynamic test set, it is characterized in that: it comprises two single chip circuits, the real time data of collection and storage voltage, electric current and speed respectively, the receiving port RX of the transmission mouth TX of the serial communication interface of the single-chip microcomputer on single chip circuit and receiving port RX and the serial communication interface of another single-chip microcomputer with send mouthful corresponding electricity of TX and link to each other, be connected with a RS232 interface chip in one of them single chip circuit.
2. electric bicycle dynamic test set according to claim 1, it is characterized in that: a single chip circuit is the 89C2051 single-chip microcomputer in described two single-chip microcomputers, VR terminates to negative input end 4 and 6 pin of LM339, power supply VCC receives an end of resistance R 8, the other end of resistance R 8 is received positive input terminal 5 pin of LM339, and receive power supply on the ground through resistance R 11, the positive input terminal 5 foot meridian capacitor C17 of LM339 receive on the ground, the output terminal of LM339 is received on the port of single-chip microcomputer, signal ID receives positive input terminal 3 pin of LM358, the negative input pin 2 of LM358 is through resistance R 16 ground connection, and receive output terminal ID0 through resistance R 14, ID0 receives another positive input terminal 7 pin of LM339, and output terminal 1 pin of LM339 is received on another port of single-chip microcomputer; Another single chip circuit is 89C51 single-chip microcomputer, 74LS373 latch, eprom memory, MAX232 serial interface chip electrical connection composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03222104 CN2614345Y (en) | 2003-05-21 | 2003-05-21 | Dynamic moped tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03222104 CN2614345Y (en) | 2003-05-21 | 2003-05-21 | Dynamic moped tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2614345Y true CN2614345Y (en) | 2004-05-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03222104 Expired - Fee Related CN2614345Y (en) | 2003-05-21 | 2003-05-21 | Dynamic moped tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2614345Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614617B (en) * | 2008-11-27 | 2011-11-16 | 重庆动源摩托车配件销售有限公司 | Fault diagnosing meter for electric injection vehicle |
-
2003
- 2003-05-21 CN CN 03222104 patent/CN2614345Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614617B (en) * | 2008-11-27 | 2011-11-16 | 重庆动源摩托车配件销售有限公司 | Fault diagnosing meter for electric injection vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |