CN207910680U - Supply unit for vehicle testing - Google Patents
Supply unit for vehicle testing Download PDFInfo
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- CN207910680U CN207910680U CN201820170485.2U CN201820170485U CN207910680U CN 207910680 U CN207910680 U CN 207910680U CN 201820170485 U CN201820170485 U CN 201820170485U CN 207910680 U CN207910680 U CN 207910680U
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Abstract
The utility model discloses a kind of supply units for vehicle testing, including inverter module, DC power supply conversion module and control module, the input terminal of inverter module is connected with the accumulator of vehicle, the output end of inverter module is connected with the input terminal of DC power supply conversion module, the output end of DC power supply conversion module is connected with the vehicle power cord of vehicle, the control terminal of DC power supply conversion module is connected with control module, inverter module is converted to exchange to the direct current that exports accumulator and supplies electricity to the power supply of DC power supply conversion module, control module is to according to the preset voltage curve output voltage control signal of user to DC power supply conversion module, DC power supply conversion module is converted to alternating current on direct current to vehicle power cord corresponding with voltage control signal, to power to vehicle.To which the working environment of real vehicle can not only be simulated to the greatest extent, and make the initial voltage of vehicle operation controllable, additionally it is possible to improve testing efficiency, shorten test period.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of supply unit for vehicle testing.
Background technology
Vehicle, due to the high current of starter motor operating instant, causes vehicle voltage drastically to decline in start-up course, and whole
The ability that each control unit on vehicle resists moment low pressure is different, and the wherein insufficient control unit of resistivity can occur
Hardware is restarted, and leads to that dropout, trouble light are lighted or failure word is lighted, and causes whole vehicle functions failure.In order to avoid such
The generation of failure needs to test vehicle under different temperatures, different batteries voltage in the test of finished vehicle electronic electrical function,
Whether vehicle there is dropout, trouble light, failure word in start-up course.
In the related technology using real steering vectors method, testing procedure includes mainly：1) when accumulator is fully charged, start vehicle
, whether detection vehicle breaks down；2) it after opening electric appliance load such as headlight, air-conditioning and windscreen wiper lamp work for a period of time, waits for
The voltage of accumulator drops to medium value, starts vehicle, and whether detection vehicle breaks down；3) open electric appliance load such as headlight,
Air-conditioning and windscreen wiper lamp etc. work on a period of time, wait for that the voltage of accumulator is down to lower value and (can start the critical of vehicle
Value), start vehicle, whether detection vehicle breaks down.
The test method has the following disadvantages：1) certain initial in order to reach due to by the way of loading power consumption
The time of voltage value, consuming is long, is such as expended from Full Charge Capacity to lower value (critical value that can start vehicle) and needs to wait for 3-4 small
When；2) initial voltage when length of power consumption time can influence to start causes the initial voltage before starting uncontrollable；3) it often completes
Test experiments, vehicle can not often start.
Utility model content
The utility model is intended at least solve one of the technical problem in above-mentioned technology to a certain extent.
For this purpose, the purpose of this utility model is that propose a kind of supply unit for vehicle testing, can not only maximum
The working environment of the simulation real vehicle of degree, and make the initial voltage of vehicle operation controllable, additionally it is possible to testing efficiency is improved, is contracted
Short test period.
To achieve the above object, the utility model proposes a kind of supply units for vehicle testing, including inversion mould
Block, DC power supply conversion module and control module, the input terminal of the inverter module are connected with the accumulator of vehicle, the inversion
The output end of module is connected with the input terminal of the DC power supply conversion module, the output end of the DC power supply conversion module with
The vehicle power cord of the vehicle is connected, and the control terminal of the DC power supply conversion module is connected with the control module, wherein
The inverter module, which to the direct current that exports the accumulator is converted to exchange and supplies electricity to the DC power supply conversion module, to be supplied
Electricity, the control module is to according to the preset voltage curve output voltage control signal of user to the DC power supply turn
Block is changed the mold, the DC power supply conversion module is converted to the alternating current and the voltage control according to the voltage control signal
On the corresponding direct current of signal to the vehicle power cord processed, to power to vehicle.
Supply unit according to the present utility model for vehicle testing, by the way that inverter module is arranged, DC power supply is converted
Module and control module, the input terminal of inverter module are connected with the accumulator of vehicle, the output end and DC power supply of inverter module
The input terminal of conversion module is connected, and the output end of DC power supply conversion module is connected with the vehicle power cord of vehicle, DC power supply
The control terminal of conversion module is connected with control module, wherein the direct current that accumulator exports is converted to friendship by inverter module
Galvanic electricity is powered to DC power supply conversion module, by control module according to the preset voltage curve output voltage control of user
Signal to DC power supply conversion module, and by DC power supply conversion module according to voltage control signal by alternating current be converted to
On voltage control signal corresponding direct current to vehicle power cord, to power to vehicle.The device can not only be maximum
The working environment of real vehicle is simulated, and makes the initial voltage of vehicle operation controllable, additionally it is possible to improve testing efficiency, shorten test
Period.
In addition, according to the utility model proposes the supply unit for vehicle testing can also have following additional technology
Feature：
Specifically, the supply unit for vehicle testing further includes memory module, the memory module and the control
Molding block is connected, and the memory module is storing the preset voltage curve of the user.
Specifically, the supply unit for vehicle testing further includes receiving module, the receiving module and the control
Molding block is connected, and the control module receives the preset voltage curve of user by the receiving module, and stores
To in the memory module.
Specifically, the receiving module includes wireless receiving module and/or cable network reception module.
Wherein, the wireless receiving module includes wifi (Wireless Fidelity, unlimited fidelity) module, bluetooth mould
It is one or more in block and radio-frequency module.
Wherein, the cable network reception module includes USB (Universal Serial Bus, universal serial bus) module.
Specifically, the supply unit for vehicle testing further includes acquisition module, the acquisition module and the control
Molding block is connected, and the control module obtains the voltage of the accumulator, the accumulator by controlling the acquisition module
It is one or more in voltage on capacity and the vehicle power cord.
Specifically, the supply unit for vehicle testing further includes display module, the display module and the control
Molding block is connected, and the control module shows the voltage of the accumulator, the accumulator by controlling the display module
In capacity, the voltage on the vehicle power cord, the preset voltage curve of the user and the voltage control signal
It is one or more.
Further, the display module is touch display screen, and the user also sets institute by the touch display screen
State voltage curve.
Description of the drawings
Fig. 1 is the block diagram according to the supply unit for vehicle testing of the utility model embodiment；
Fig. 2 is the electricity when being 100% less than room temperature and carrying capacity according to the accumulator of the utility model one embodiment
It buckles line chart；
Fig. 3 is the voltage curve in room temperature and carrying capacity deficiency according to the accumulator of the utility model one embodiment
Figure；
Fig. 4 is bent according to the voltage of the accumulator of the utility model one embodiment when room temperature and carrying capacity are 100%
Line chart；And
Fig. 5 is the block diagram according to the supply unit for vehicle testing of the utility model one embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The supply unit for vehicle testing proposed according to the utility model embodiment described with reference to the accompanying drawings.
Fig. 1 is the block diagram according to the supply unit for vehicle testing of the utility model embodiment.Such as Fig. 1 institutes
Show, which may include：Inverter module 110, DC power supply conversion module 120 and control mould
Block 130.
Wherein, the input terminal of inverter module 110 is connected with the accumulator 200 of vehicle, the output end of inverter module 110 with it is straight
The input terminal for flowing power conversion module 120 is connected, the output end of DC power supply conversion module 120 and the vehicle power cord of vehicle
300 are connected, and the control terminal of DC power supply conversion module 120 is connected with control module 130, wherein inverter module 110 will be will store
The direct current that battery 200 exports is converted to exchange and supplies electricity to the power supply of DC power supply conversion module 120, and control module 130 is to basis
The preset voltage curve output voltage control signal of user is to DC power supply conversion module 120, DC power supply conversion module
120 are converted to alternating current on direct current to vehicle power cord 300 corresponding with voltage control signal according to voltage control signal,
To power to vehicle.
It is understood that under different operating modes (such as varying environment temperature and different carrying capacities), vehicle launch when
Between and vehicle launch caused by pressure drop be different, in order to simulate the working environment of real vehicle to the greatest extent, user can be pre-
Multigroup voltage curve is first set according to different environment temperatures and different carrying capacities.For example, Fig. 2 is accumulator less than room temperature
And carrying capacity be 100% (being 12V as started voltage) when voltage curve, in the voltage curve, the time of vehicle launch
For 1.9s, pressure drop 6V；Fig. 3 is voltage curve of the accumulator 200 in room temperature and carrying capacity insufficient (being 9V as started voltage)
Figure, in the voltage curve, the time of vehicle launch is 1.9s, pressure drop 3V；Fig. 4 is accumulator 200 in room temperature and carrying capacity
Voltage curve for 100% when (being 12V as started voltage), in the voltage curve, the time of vehicle launch is
1.825s, pressure drop 8V.
During the test, the direct current that accumulator 200 exports is converted to exchange by inverter module 110 (such as inverter)
Electricity, to DC power supply conversion module 120 power, while control module 130 according to the preset voltage curve of user (such as Fig. 2,
Fig. 3 or Fig. 4) corresponding voltage control signal is exported to DC power supply conversion module 120,120 basis of DC power supply conversion module
Alternating current is converted to direct current electricity output to vehicle power cord 300, to power to vehicle by voltage control signal.Wherein, direct current
Source conversion module 120 is as shown in table 1 according to the voltage for the direct current that voltage control signal exports.
Table 1
Wherein, corresponding waveform 1, in 0.000 time, the voltage for the direct current that DC power supply conversion module 120 exports is
12V；In 0.100 time, the voltage for the direct current that DC power supply conversion module 120 exports is 12V；In 0.105 time, direct current
The voltage for the direct current that source conversion module 120 exports is 6V；….Wherein, 0.100 time to 0.105 simulation be one pressure
Drop process.
During the test, testing staff judges whether vehicle breaks down by observing, for example, trouble light whether point
Whether the bright, word that whether breaks down there is dropout.
According to the supply unit for vehicle testing of the utility model embodiment, by by original accumulator directly with
The connection relation of vehicle power cord is changed to the connection of accumulator-inverter module-DC power supply conversion module-vehicle power cord
Relationship, while DC power supply conversion module is controlled by control module, to realize the maximum to battery tension state
The simulation of degree effectively increases testing efficiency so that the voltage on vehicle power cord is controllable, shortens test period,
It can such as be shorten to 0.5h, while the initial voltage of vehicle operation can be made controllable.
One embodiment according to the present utility model, as shown in figure 5, the supply unit 100 for being used for vehicle testing may be used also
Including memory module 140, memory module 140 is connected with control module 130, and memory module 140 presets to store user
Voltage curve.
That is, multiple voltage curves of user setting can be prestored into memory module 140, and it is different
Voltage curve corresponds to different call instructions, with when needed, control module 130 directly exports call instruction to memory module
In 140, to obtain required voltage curve.
Further, it as shown in figure 5, the supply unit 100 for being used for vehicle testing may also include receiving module 150, connects
It receives module 150 with control module 130 to be connected, control module 130 receives the preset voltage song of user by receiving module 150
Line, and store into memory module 140.Wherein, receiving module 150 may include wireless receiving module and/or cable network reception module,
Wireless receiving module may include one or more in wifi module, bluetooth module and radio-frequency module, and cable network reception module can wrap
Include USB module.
That is, pre-set voltage curve can be input in control module 130 by user in several ways, example
Such as, user can first pass through terminal device (such as computer, mobile phone) and draw out voltage curve, then pass through wifi module, bluetooth
The wireless modules such as module and radio-frequency module are transmitted in control module 130；Alternatively, user first passes through terminal device (as calculated
Machine) voltage curve is drawn out, then voltage curve is copied in control module 130 by USB module.Then, control module
130 after receiving voltage curve, is stored into memory module 140, with when needed, control module 130 directly exports
In call instruction to memory module 140, to obtain required voltage curve.
One embodiment according to the present utility model, as shown in figure 5, the supply unit 100 for being used for vehicle testing may be used also
Including acquisition module 160, acquisition module 160 is connected with control module 130, and control module 130 is obtained by controlling acquisition module 160
It takes one or more in the voltage of accumulator 200, the voltage on the capacity and vehicle power cord 300 of accumulator 200.
Further, it as shown in figure 5, the supply unit 100 for being used for vehicle testing may also include display module 170, shows
Show that module 170 is connected with control module 130, control module 130 by control display module 170 show accumulator 200 voltage,
In the capacity of accumulator 200, the voltage on vehicle power cord 300, the preset voltage curve of user and voltage control signal
It is one or more.
Specifically, acquisition module 160 may include voltage detection module etc., to obtain the relevant information of accumulator 200 (such as
The voltage of accumulator 200, the capacity of accumulator 200) and vehicle power cord 300 relevant information (on such as vehicle power cord 300
Voltage) etc., then these information are shown by display module 170 (such as LED display), so that user can be real-time
Observe the virtual voltage situation etc. of current accumulator 200 and vehicle power cord 300.It can also pass through display module 170 simultaneously
Show the preset voltage curve of user and voltage control signal, so as to the voltage curve of observation, voltage control signal and
Whether the virtual voltage of vehicle power cord 300 matches, so that it is determined that whether voltage control signal is correct, and then ensures that simulation is real
The reliability tested.
In addition, in one embodiment of the utility model, display module 170 can be touch display screen, and user also passes through
Touch display screen sets voltage curve.
That is, user can realize the input of voltage curve under the cooperation of receiving module 150 and LED display
It with display, can also directly by touch display screen input voltage curve and be shown, to improve user's simulated experiment just
Profit.
In conclusion the supply unit according to the present utility model for vehicle testing, by the way that inverter module, direct current is arranged
Power conversion module and control module, the input terminal of inverter module are connected with the accumulator of vehicle, the output end of inverter module with
The input terminal of DC power supply conversion module is connected, and the output end of DC power supply conversion module is connected with the vehicle power cord of vehicle,
The control terminal of DC power supply conversion module is connected with control module, wherein the direct current for being exported accumulator by inverter module
It is converted to exchange and supplies electricity to the power supply of DC power supply conversion module, exported according to the preset voltage curve of user by control module
Voltage control signal to DC power supply conversion module, and by DC power supply conversion module according to voltage control signal by alternating current
It is converted on direct current to vehicle power cord corresponding with voltage control signal, to power to vehicle.The device can not only be most
The working environment of the simulation real vehicle of big degree, and make the initial voltage of vehicle operation controllable, additionally it is possible to testing efficiency is improved,
Shorten test period.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (9)
1. a kind of supply unit for vehicle testing, which is characterized in that including inverter module, DC power supply conversion module and control
Molding block, the input terminal of the inverter module are connected with the accumulator of vehicle, the output end of the inverter module and the direct current
The input terminal of power conversion module is connected, the output end of the DC power supply conversion module and the vehicle power cord phase of the vehicle
Even, the control terminal of the DC power supply conversion module is connected with the control module, wherein
The inverter module is converted to exchange to the direct current that exports the accumulator and supplies electricity to the DC power supply modulus of conversion
Block is powered, and the control module is to according to the preset voltage curve output voltage control signal of user to the direct current
Source conversion module, the DC power supply conversion module are converted to the alternating current and the electricity according to the voltage control signal
On the voltage-controlled corresponding direct current of signal processed to the vehicle power cord, to power to vehicle.
2. being used for the supply unit of vehicle testing as described in claim 1, which is characterized in that further include memory module, it is described
Memory module is connected with the control module, and the memory module is storing the preset voltage curve of the user.
3. being used for the supply unit of vehicle testing as claimed in claim 2, which is characterized in that further include receiving module, it is described
Receiving module is connected with the control module, and the control module is preset by the receiving module reception user
Voltage curve, and store into the memory module.
4. being used for the supply unit of vehicle testing as claimed in claim 3, which is characterized in that the receiving module includes wireless
Receiving module and/or cable network reception module.
5. being used for the supply unit of vehicle testing as claimed in claim 4, which is characterized in that the wireless receiving module includes
It is one or more in wifi module, bluetooth module and radio-frequency module.
6. being used for the supply unit of vehicle testing as claimed in claim 4, which is characterized in that the cable network reception module includes
USB module.
7. the supply unit for vehicle testing as described in any one of claim 1-6, which is characterized in that further include obtaining
Module, the acquisition module are connected with the control module, and the control module is by controlling described in the acquisition module acquisition
The voltage of accumulator, the accumulator capacity and the vehicle power cord on voltage in it is one or more.
8. being used for the supply unit of vehicle testing as claimed in claim 7, which is characterized in that further include display module, it is described
Display module is connected with the control module, and the control module shows the electricity of the accumulator by controlling the display module
Pressure, the capacity of the accumulator, the voltage on the vehicle power cord, the preset voltage curve of the user and the electricity
It is one or more in voltage-controlled signal processed.
9. being used for the supply unit of vehicle testing as claimed in claim 8, which is characterized in that the display module is to touch to show
Display screen, the user also set the voltage curve by the touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170485.2U CN207910680U (en) | 2018-01-31 | 2018-01-31 | Supply unit for vehicle testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170485.2U CN207910680U (en) | 2018-01-31 | 2018-01-31 | Supply unit for vehicle testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910680U true CN207910680U (en) | 2018-09-25 |
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ID=63562646
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820170485.2U Active CN207910680U (en) | 2018-01-31 | 2018-01-31 | Supply unit for vehicle testing |
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| CN (1) | CN207910680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239524A (en) * | 2020-02-27 | 2020-06-05 | 东风小康汽车有限公司重庆分公司 | Detection method and system for electronic module during automobile starting |
-
2018
- 2018-01-31 CN CN201820170485.2U patent/CN207910680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239524A (en) * | 2020-02-27 | 2020-06-05 | 东风小康汽车有限公司重庆分公司 | Detection method and system for electronic module during automobile starting |
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