CN205484505U - Electricity parameter testing appearance - Google Patents
Electricity parameter testing appearance Download PDFInfo
- Publication number
- CN205484505U CN205484505U CN201620021891.3U CN201620021891U CN205484505U CN 205484505 U CN205484505 U CN 205484505U CN 201620021891 U CN201620021891 U CN 201620021891U CN 205484505 U CN205484505 U CN 205484505U
- Authority
- CN
- China
- Prior art keywords
- power supply
- main control
- control chip
- electric capacity
- parameter tester
- 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
Landscapes
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The utility model relates to an electricity parameter testing appearance for the electrical parameter of testing power supply starter motor, including being used for the first connecting seat of connecting, the second connecting seat that is used for connected load, still include shunt and master controller, the master controller includes display screen and main control chip, display screen, main control chip, shunt electricity are in proper order connected, the shunt is used for gathering the signal of telecommunication and the transmission of power and load are given main control chip, the master controller is used for gathering the signal of telecommunication of shunt and the demonstration of control electrical parameter. Above -mentioned electricity parameter testing appearance's master controller passing signal line and shunt connector can produce weak voltage signal when the heavy current flows through the shunt, the main control chip of master controller can gather this weak voltage signal to carry out digital filtering and operation to the voltage signal who gathers, show with effectual numerical value that the person of facilitating the use reads on the display screen, have that testing speed is fast, measuring result is accurate, convenient operation's characteristics.
Description
Technical field
This utility model relates to technical field of measurement and test, particularly relates to electric parameter tester.
Background technology
Along with growth in the living standard, most of families all can select to buy one's own private car, and existing
Quantity at private car also increases considerably.When buying automobile, it is to be understood that startup electricity during automobile starting
The peak point current of machine, average current, and start the moment minimum voltage of power supply, thus understand it and meet an urgent need standby
The fine quality of electricity source battery and the suitable emergency standby power of selection.
General measured object (such as automobile) is all to be parked in outdoor, if using oscillograph the heaviest, also
Want 220V power supply；Use clamp ammeter because sample rate is slow, it is impossible to read peak point current；Use general-purpose
Watch is the most also because speed is slow, it is impossible to read the minimum of the cell voltage starting moment, and during automobile starting
Start motor peak point current, average current, and start power supply these three parameters of moment minimum voltage,
It is all particularly important to product design personnel, reviewer and salesman etc..
Existing portable type current voltage-measuring equipment, such as circuit tester, split-core type meter etc. because sample rate very
Low (3 time/second), the most improper current/voltage measuring moment generation, such as the big electricity of motor start-up moment
Stream.In laboratory, this type of immediate current voltage can use oscilloscope measurement, but oscillograph volume is big, makes
By complexity, improper non-electronics majors librarian use is improper at outdoor onsite application.
Utility model content
Based on this, it is necessary to slow for sample rate, volume is big, unhandy problem, it is provided that Yi Zhong electricity
Parameter tester.
A kind of electric parameter tester, for testing the electrical quantity of power initiation motor, including for connecting power supply
A connecting seat, for connect load second connection seat, also include diverter and main controller；Described master
Control device includes display screen and main control chip；Described display screen, main control chip, diverter are sequentially connected electrically；
Described diverter is for gathering described power supply and the signal of telecommunication of load and being transferred to described main control chip；
Described main controller is for gathering the signal of telecommunication of described diverter and controlling the display of electrical quantity.
Wherein in an embodiment, described main controller also includes controlling ring current module, voltage acquisition mould
Block and function selecting module；
Described control ring current module supplies described main control chip for the power supply changing described power supply；
Described voltage acquisition module is transferred to described main control chip for the voltage gathering load；
Described function selecting module is for circulating the electrical quantity selecting described display screen to show；Described electrical quantity bag
Include the moment minimum voltage of the peak point current of described load, average current, startup power supply.
Wherein in an embodiment, described control ring current module include regulated power supply chip, the one or two
Pole pipe, the first electric capacity and the second electric capacity；The input of described regulated power supply chip respectively with described one or two pole
The negative pole of pipe, one end of the first electric capacity connect；The other end ground connection of described first electric capacity；Described regulated power supply
The outfan of chip is connected with main control chip, the second electric capacity respectively；The other end ground connection of described second electric capacity.
Wherein in an embodiment, described first electric capacity, the second electric capacity are electrochemical capacitor；
The positive pole of described first electric capacity is connected with the input of described regulated power supply chip；Described second electric capacity
Positive pole and the outfan of described regulated power supply chip；Described first electric capacity, the equal ground connection of negative pole of the second electric capacity.
Wherein in an embodiment, the model of described regulated power supply chip is 6203A.
Wherein in an embodiment, described voltage sample module includes the first resistance and the second resistance；Described
First resistance, the second resistant series；The two ends of described first resistance respectively with the input of described main control chip
Connect；The other end of described second resistance is connected with described power supply, load respectively, is used for gathering described power supply
Voltage signal.
Wherein in an embodiment, described function selecting module includes selecting switch and the 3rd resistance；Described
Select switch and the 3rd resistant series；The described other end selecting switch is connected with described main control chip；Described
3rd resistance is connected with described power supply, for showing different electrical quantitys.
Wherein in an embodiment, the model of described main control chip is ST7584N, and described main control chip is adopted
The frequency of the collection signal of telecommunication is 1000 hertz.
Wherein in an embodiment, described electric parameter tester also includes radiator, described radiator and point
Stream device is integrated on aluminum base plate.
Wherein in an embodiment, described a connecting seat is hole seat；Described second connection seat is needle stand.
Above-mentioned electric parameter tester, including also including diverter, display screen and main control chip；Main controller passes through
Holding wire is connected with diverter, can produce faint voltage signal, main controller when big electric current flows through diverter
Main control chip can with this faint voltage signal of the frequency collection of 1KHz, and to gather voltage signal carry out
Digital filtering and computing, finally show effective numerical value on a display screen and retain on a display screen, convenient
User reads.Above-mentioned electric parameter tester has that test speed is fast, measurement result is accurate, volume is little, weight
Measure light, easy to operate feature.
Accompanying drawing explanation
Fig. 1 is electric parameter tester overall structure schematic diagram；
Fig. 2 is electric parameter tester frame structure schematic diagram；
Fig. 3 is the test connection figure of electric parameter tester one embodiment；
Fig. 4 is the test connection figure of electric parameter tester one embodiment.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is carried out more comprehensively
Description.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can be to be permitted
The most different forms realizes, however it is not limited to embodiment described herein.On the contrary, provide these to implement
The purpose of example is to make the understanding to disclosure of the present utility model more thorough comprehensively.
Unless otherwise defined, all of technology used herein and scientific terminology with belong to of the present utility model
The implication that those skilled in the art are generally understood that is identical.Institute in description of the present utility model herein
The term used is intended merely to describe the purpose of specific embodiment, it is not intended that limit this utility model.This
The term "and/or" that literary composition is used includes arbitrary and all of group of one or more relevant Listed Items
Close.
A kind of electric parameter tester, is used for testing automobile and (is not limited only to automobile it can also be used to various battery
The environment of actuating motor) start time start motor peak point current, average current, and start power supply
Moment minimum voltage.To above-mentioned 3 parameters such as product design personnel, reviewer and salesmaies it is all
Particularly important.
The structural representation for electric parameter tester as shown in Figure 1, electric parameter tester 10 includes for even
Connect a connecting seat 110 of power supply 400, for connecting the second connection seat 120 of load 500, with reference to Fig. 2,
Also include diverter 200 and main controller 300.Wherein, main controller 300 includes display screen 310 and main control chip
320；Display screen 310, main control chip 320, diverter 200 are sequentially connected electrically.Diverter 200 is used for adopting
Collect power supply 400 and the signal of telecommunication of load 500 and be transferred to main control chip 320；Main controller 300 divides for gathering
The signal of telecommunication of stream device 200 and the display of control electrical quantity.
Main controller 300 is connected with diverter 200 by holding wire, can produce when big electric current flows through diverter
Faint voltage signal, the main control chip U1 of main controller 300 can be with this faint electricity of the frequency collection of 1KHz
Pressure signal, and the voltage signal gathered is carried out digital filtering and computing, and judge its reasonability；Filter out
Interference noise, finally shows effective numerical value on display screen 310 and is retained on display screen 310, side
Just user reads.In the present embodiment, the model of main control chip U1 is ST7584N, main control chip U1
The frequency gathering the signal of telecommunication is 1000 hertz, namely 1000 time/second.
In the present embodiment, it is also possible to by display screen 310, this voltage x current state detected is carried out
Display and locking.Wherein locking can be understood as being shown by the numerical value of electrical quantity by main controller 300 always
On display screen 310, and refresh the chance of display screen 310 to unrelated numeral.
With reference to Fig. 2, main controller 300 also includes controlling ring current module 330, voltage acquisition module 340 and
Function selecting module 350.Control the ring current module 330 magnitude of voltage supply master control for conversion electric power 400
Chip U2；Voltage acquisition module 340 is transferred to main control chip 320 for the voltage gathering load 500；Merit
Module 350 can be selected for circulating the electrical quantity selecting display screen 310 display；Electrical quantity includes loading 500
The moment minimum voltage of peak point current, average current and power supply 400.
Control ring current module 330 and include regulated power supply chip U2, the first diode D1, the first electric capacity
C1 and the second electric capacity C2.The input of regulated power supply chip U2 respectively with the negative pole D1 of the first diode,
One end of first electric capacity C1 connects；The other end ground connection of the first electric capacity C1；Regulated power supply chip U2's is defeated
Go out end to be connected with main control chip U1, the second electric capacity C2 respectively；The other end ground connection of the second electric capacity C2.
In the present embodiment, the first electric capacity C1, the second electric capacity C2 are electrochemical capacitor；Wherein, the first electricity
The positive pole holding C1 is connected with the input of regulated power supply chip U2；The positive pole of the second electric capacity C2 and voltage stabilizing electricity
The outfan of source chip U2 connects；First electric capacity C1, the equal ground connection of negative pole of the second electric capacity C2.
After electrical parameter measuring instrument switches on power 400 (this power supply 400 can also be tested objects simultaneously),
Control ring current module 330 is by external supply voltage, and at the present embodiment, power supply voltage range is 5～40
Volt.By controlling ring current module 300, external supply voltage is processed, be converted to stable
3.3V voltage, for main control chip U1.In the present embodiment, the model of the regulated power supply chip of use
It is 6203A, controls the first diode D1 of ring current module 300, the first electric capacity C1 and second simultaneously
Electric capacity C2 has the work of overvoltage protection and filtering to regulated power supply chip U2 and control ring current module 330
With, to ensure to control the reliable and stable of ring current module 330.
Voltage sample module 340 includes the first resistance R1 and the second resistance R2.First resistance R1, the second electricity
Resistance R2 series connection；The two ends of the first resistance R1 input with main control chip U1 respectively is connected；Second resistance
The other end of R2 is connected with power supply 400, load 500 respectively, and the voltage for Real-time Collection power supply 400 is believed
Number.Further, main control chip U1 switches on power and starts working after 400, and with the frequency of 1000HZ from
Voltage sampling unit obtains the numerical value of current supply voltage；By the numerical value of current supply voltage with front once
The numerical value of the supply voltage obtained compares, and is shown on display screen 310 by less magnitude of voltage.As
This is reciprocal, just can collect the numerical value of the voltage decline that this power supply operationally causes because of output larger current.
By main control chip to the comparison of the voltage drop-out value of different electrical power during output same current, it is possible to sentence accordingly
The quality of disconnected different electrical power used.
Function selecting module 350 includes selecting switch and the 3rd resistance R3；Select switch S and the 3rd resistance R3
Series connection；The other end selecting switch S is connected with main control chip U1；3rd resistance R3 is connected with power supply 400.
In the present embodiment, switch S is selected to be arranged on the top of display screen.After main control chip switches on power, electricity
Current test program then can enter corresponding testing current state according to the function selecting selecting switch, wherein, surveys
The range of examination electric current is 0～999A.
In the present embodiment, testing current state includes peak point current test mode and average testing current state.
When selecting switch S to be activated, display screen 310 moment can show [AAAA] (4 A), current measurement
Program then enters peak point current measuring state；When starting again, display screen moment can show [0.0.0.0.]
(4 0.), current measurement program enters average current measuring state；Select to switch capable of circulation being activated, with
User is facilitated to select to measure the content of electrical quantity.After determining testing current state, main control chip U1 can be from adopting
The faint voltage signal that sample unit 340 obtains carries out digital filtering and computing, finally will effectively start electricity
The moment minimum voltage value in source, according to selecting switch, the most also can start the peak point current of motor or average
Electric current shows on display screen 310.
Electric parameter tester also includes that radiator (not shown), radiator and diverter 200 are integrated in aluminum
On substrate.Diverter 200 is the miniature diverter that can lead to super-high-current；During work, utilize aluminium base with
And together with aluminium base close installation metal heat sink, disperse big electric current and produced through miniature diverter
Heat, it is achieved that with minimum volume, measure the function of greatly (maximum detection amount 999A) electric current.
A connecting seat 110 is hole seat, is used for connecting power supply；Second connection seat 120 is needle stand, for even
Connect load, namely start motor.The seat 120 of a connecting seat the 110, second connection simultaneously is equipped with Vehicles Collected from Market
Common big current socket and plug, can test the standby electricity of various car emergencies common on market in extremely convenient ground
Battery product with heavy-current discharges such as source, model plane power supplys.
The test connection diagram for electric parameter tester as shown in Figure 3, figure includes electric parameter tester
10, automobile storage battery 400 and startup motor 500.First adapter 110 of electric parameters testing device 10 is just
Negative pole is corresponding with the both positive and negative polarity of automobile storage battery 400 respectively to be connected；The positive pole of automobile storage battery 400 and startup
The positive pole of motor 500 connects；The negative pole starting motor 500 is connected seat 120 with the second of electric parameter tester
Connect, i.e. may make up test loop.The peak point current starting motor can be recorded by electric parameter tester 10,
Average current, and start the moment minimum voltage of power supply.
The test connection diagram for electric parameter tester as shown in Figure 4, figure includes electric parameter tester
10, automobile standby power supply 410 (car emergency priming supply) and startup motor 500.Electric parameters testing device
First adapter 110 is connected with automobile standby power supply 410；Second connects seat 120 and starts motor 500 even
Connect.At the present embodiment, the second negative pole connecting seat 120 is connected with the negative line starting motor 500；Second
The positive pole connecting seat 120 is connected, i.e. with the positive pole starting motor 500 by the positive pole of automobile storage battery 420
May make up test loop.In other words, in this test loop, automobile storage battery 420 can be ignored.By electricity
Parameter tester 10 can record the peak point current starting motor, average current, and starts the moment of power supply
Minimum voltage.
The test speed of this electric parameter tester is fast, measurement result is accurate, volume is little, lightweight, operation side
Just, there is no the switch of complexity, it is not required that loaded down with trivial details setting so that allow vast layman use into
For possible.Such as: salesman can use this product to read emergent standby electricity source battery during automobile starting
Voltage, thus the fine quality of its emergent standby electricity source battery is shown to his client；Salesman also so that
With the starting current of this product in-site measurement client's automobile, thus promote more suitable its automobile rule to his client
The emergent standby electricity source of lattice.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right
For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special
The protection domain of profit should be as the criterion with claims.
Claims (10)
1. an electric parameter tester, for testing the electrical quantity of power initiation motor, including for connecting electricity
The a connecting seat in source, for connecting the second connection seat of load, it is characterised in that also include diverter and
Main controller；Described main controller includes display screen and main control chip；Described display screen, main control chip, diverter
It is sequentially connected electrically；
Described diverter is for gathering described power supply and the signal of telecommunication of load and being transferred to described main control chip；
Described main controller is for gathering the signal of telecommunication of described diverter and controlling the display of electrical quantity.
Electric parameter tester the most according to claim 1, it is characterised in that described main controller also includes
Control ring current module, voltage acquisition module and function selecting module；
Described control ring current module supplies described main control chip for the power supply changing described power supply；
Described voltage acquisition module is transferred to described main control chip for the voltage gathering load；
Described function selecting module is for circulating the electrical quantity selecting described display screen to show；Described electrical quantity bag
Include the moment minimum voltage of the peak point current of described load, average current, startup power supply.
Electric parameter tester the most according to claim 2, it is characterised in that described control ring current
Module includes regulated power supply chip, the first diode, the first electric capacity and the second electric capacity；Described regulated power supply core
The input of sheet is connected with negative pole, one end of the first electric capacity of described first diode respectively；Described first electricity
The other end ground connection held；The outfan of described regulated power supply chip is connected with main control chip, the second electric capacity respectively；
The other end ground connection of described second electric capacity.
Electric parameter tester the most according to claim 3, it is characterised in that described first electric capacity,
Two electric capacity are electrochemical capacitor；
The positive pole of described first electric capacity is connected with the input of described regulated power supply chip；Described second electric capacity
Positive pole and the outfan of described regulated power supply chip；Described first electric capacity, the equal ground connection of negative pole of the second electric capacity.
Electric parameter tester the most according to claim 3, it is characterised in that described regulated power supply chip
Model be 6203A.
Electric parameter tester the most according to claim 2, it is characterised in that described voltage sample module
Including the first resistance and the second resistance；Described first resistance, the second resistant series；The two of described first resistance
End input with described main control chip respectively is connected；The other end of described second resistance respectively with described power supply,
Load connects, for gathering the voltage signal of described power supply.
Electric parameter tester the most according to claim 2, it is characterised in that described function selecting module
Including selecting switch and the 3rd resistance；Described selection switchs and the 3rd resistant series；It is another that described selection switchs
One end is connected with described main control chip；Described 3rd resistance is connected with described power supply, for showing different electricity
Parameter.
Electric parameter tester the most according to claim 1, it is characterised in that the type of described main control chip
Number being ST7584N, it is 1000 hertz that described main control chip gathers the frequency of the signal of telecommunication.
Electric parameter tester the most according to claim 1, it is characterised in that described electric parameter tester
Also include that radiator, described radiator and diverter are integrated on aluminum base plate.
Electric parameter tester the most according to claim 1, it is characterised in that described a connecting seat
For hole seat；Described second connection seat is needle stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021891.3U CN205484505U (en) | 2016-01-08 | 2016-01-08 | Electricity parameter testing appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021891.3U CN205484505U (en) | 2016-01-08 | 2016-01-08 | Electricity parameter testing appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484505U true CN205484505U (en) | 2016-08-17 |
Family
ID=56665848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620021891.3U Active CN205484505U (en) | 2016-01-08 | 2016-01-08 | Electricity parameter testing appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845210A (en) * | 2018-07-04 | 2018-11-20 | 中国汽车技术研究中心有限公司 | A kind of automobile fuse circuit electric performance test apparatus and system |
| CN114200193A (en) * | 2021-10-29 | 2022-03-18 | 东风商用车有限公司 | Device and method for testing impact current of negative bus of electric automobile |
-
2016
- 2016-01-08 CN CN201620021891.3U patent/CN205484505U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845210A (en) * | 2018-07-04 | 2018-11-20 | 中国汽车技术研究中心有限公司 | A kind of automobile fuse circuit electric performance test apparatus and system |
| CN114200193A (en) * | 2021-10-29 | 2022-03-18 | 东风商用车有限公司 | Device and method for testing impact current of negative bus of electric automobile |
| CN114200193B (en) * | 2021-10-29 | 2024-01-19 | 东风商用车有限公司 | Device and method for testing impact current of negative bus of electric automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107093921B (en) | Intelligent charger with power failure detection function | |
| CN205484505U (en) | Electricity parameter testing appearance | |
| CN106370898A (en) | Method and apparatus to detect electricity theft and mobile terminal | |
| CN105785169B (en) | A kind of battery system precharge management detection device and its detection method | |
| CN107677915A (en) | Use mutual inductor polarity measurement apparatus and its measuring method in Portable metering scene | |
| CN109490790A (en) | Using the lithium dynamical battery power characteristic test method and device of compensated pulse method | |
| CN102565717A (en) | Thermal battery test system | |
| CN105391401A (en) | Photovoltaic module or array I-V characteristic measurement apparatus and method | |
| CN101957436B (en) | Power supply quality tester of IT (Information Technology) server equipment and test method | |
| CN205595823U (en) | Battery power manages circuit | |
| CN2935178Y (en) | Apparatus for testing performance of secondary cell | |
| CN205608074U (en) | Comparison circuit's test fixture | |
| CN104967406B (en) | The measuring instrument of a kind of photovoltaic module array DC generation characteristic and measuring method thereof | |
| CN207352124U (en) | Battery pack protective circuit test device | |
| CN201681135U (en) | Polarity tester of current transformer | |
| CN208818817U (en) | Portable leakage current tester calibrating installation | |
| Linqiang et al. | A manual mobile phone charger | |
| WO2023130590A1 (en) | Battery management system with real-time ac-impedance inspection using limited-energy on-board ac excitation | |
| CN203396921U (en) | Multi-load voltage switch power test device | |
| CN201017026Y (en) | Portable accumulator cell tester | |
| CN209692924U (en) | A kind of test device of taking pictures for electric vehicle test | |
| CN209218041U (en) | Portable type solar energy battery component performance detection comparator | |
| CN204203403U (en) | A kind of micro-motor rotor winding defect detecting system | |
| CN107727922B (en) | A kind of control method of voltage check device, storage medium and equipment | |
| CN209400618U (en) | A kind of high-tension cable monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |