CN208547665U - Vehicle quiescent current test device - Google Patents
Vehicle quiescent current test device Download PDFInfo
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- CN208547665U CN208547665U CN201821095151.XU CN201821095151U CN208547665U CN 208547665 U CN208547665 U CN 208547665U CN 201821095151 U CN201821095151 U CN 201821095151U CN 208547665 U CN208547665 U CN 208547665U
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Abstract
The utility model provides a kind of vehicle quiescent current test device, comprising: current detecting part is connected between the body earth of tested vehicle and an electrode of battery, measures the quiescent current of tested vehicle；The bus data output interface of bus interface component, first port and detected vehicle communicates to connect, and receives the status data of each control module of the detected vehicle of bus data output interface output；Controller, first port are connect with current detecting part output end, receive quiescent current；The connection of the second port of its second port and bus interface component, reception state data；When quiescent current is greater than or equal to predetermined current threshold, the output end output standby signal and status data of controller are as test result.In above scheme, when quiescent current be greater than or equal to predetermined current threshold when, can assist operators judgement be which control module affects vehicle quiescent current, provide rectification foundation for designer.
Description
Technical field
The utility model relates to new-energy automobile the field of test technology, and in particular to a kind of vehicle quiescent current test dress
It sets.
Background technique
For vehicle when standing, still to have a part electric component in running order due to memory, antitheft etc., according to
The electric energy of vehicle battery can so be consumed.To guarantee that vehicle is stood after a certain period of time normal, vehicle battery capacity can be whole
Vehicle starting provides the requirement of enough electricity, needs the quiescent current control by each controller in critical field.In automobile research
Stage needs to assess the reasonability of vehicle battery capacity type selecting by vehicle and the test of controller quiescent current, and tests
Whether card primary control quiescent current meets design requirement.
The test mode to vehicle quiescent current is as shown in Figure 1, mainly take the current acquisitions tool such as multimeter at this stage
Vehicle quiescent current is acquired, one electrode of multimeter is electrically connected with body earth, the anode of another electrode and vehicle battery
Or cathode connection, to form galvanic circle with vehicle electric appliance load, multimeter can measure the quiescent current in the circuit,
And then judge it whether in critical field.But in the vehicle development stage, vehicle different conditions will lead to the value of quiescent current
Great changes have taken place, and the acquisition such as multimeter equipment is merely capable of detecting the current value under a certain state, even if measurement result does not exist
Also be unable to judge accurately on earth in critical field is which component there is a problem, therefore need the current testing device to vehicle
It improves.
Utility model content
The utility model aim to solve the problem that in the prior art vehicle quiescent current test device can not positioning failure the problem of, mention
For a kind of vehicle quiescent current test device.
In order to solve the above technical problems, the utility model provides a kind of vehicle quiescent current test device, comprising: electric current inspection
Component is surveyed, is connected between the body earth of tested vehicle and an electrode of battery, the static state of tested vehicle is measured
Current value；The bus data output interface of bus interface component, first port and detected vehicle communicates to connect, described in reception
The status data of each control module of the detected vehicle of bus data output interface output；Controller, first port and institute
The connection of current detecting part output end is stated, the quiescent current is received；The of its second port and the bus interface component
Two-port netwerk connection, receives the status data；When the quiescent current is greater than or equal to predetermined current threshold, the control
The output end output standby signal of device and the status data are as test result.In above scheme, pass through current detecting part
Part can determine the quiescent current of tested vehicle in real time, can obtain being detected vehicle in real time by bus interface component
The status data of each control module, and when the quiescent current that controller receives is greater than or equal to predetermined current threshold, it says
Bright quiescent current at this time is not in standard state, in this case the defeated standby signal of the output end of the controller and institute
Status data is stated, the status data in test result shows tested vehicle currently all controller communication data and work shape
State, thus can assist operators accurately judge it is which control module affects vehicle quiescent current on earth, to set
Meter personnel provide rectification foundation.
Optionally, in above-mentioned vehicle quiescent current test device, further includes: display unit, by wireless communication portion
The output end of part and the controller communicates to connect, and receives and show the standby signal and the status data.With top
In case, test result is shown by display unit, the determination of operator more timely, intuitively can be made to test out
Where problem, and data line etc. is eliminated using communication, checks data more convenient.
Optionally, in above-mentioned vehicle quiescent current test device, the display unit be mobile terminal or oscillograph or
Computer.In above scheme, during the test using wireless communication module, always by the bus data of all tests, static state
The information such as current value are sent directly to computer end, oscillograph end or mobile phone terminal, and tester is facilitated to carry out data record, analysis.
Optionally, in above-mentioned vehicle quiescent current test device, the current detecting part is electronic current sensing
Device, two detection pins of electronic type current sensor body earth and storage battery negative with the tested vehicle respectively
Pole electrical connection.In above scheme, the monitoring of vehicle quiescent current is realized using electronic type current sensor, test can be greatly improved
The problem of precision is avoided the occurrence of due to testing tool error, and test result reference value is caused to decline.
Optionally, further include power supply in above-mentioned vehicle quiescent current test device, connect with the feeder ear of the controller
It connects, provides electric energy for the controller.In above scheme, by way of power supply is separately configured and is controller power supply, it can subtract
Small test environment, to the influence of whole device, also eliminates the power supply line of whole device when in use in terms of electricity consumption, not by
The influence of external power supply harness length.
Optionally, in above-mentioned vehicle quiescent current test device, further include package parts, be prepared by insulating materials
It arrives；The package parts exist the current detecting part, the bus interface component, the controller and the power package
Inside it, cable-through hole is offered thereon.In above scheme, by the way that each critical component in test device is packaged, energy
The integrated level for enough improving device can be convenient for the electric connecting parts such as setting conducting wire, side by opening up cable-through hole on package parts
Just the installation settings of test device.
Optionally, in above-mentioned vehicle quiescent current test device, further include encapsulating housing, be prepared by insulating materials
It arrives, inside it by the current detecting part, the bus interface component, the controller and the power package；It is described
Through-hole is offered on encapsulating housing, the first port of the bus interface component is oppositely arranged with the through-hole.In above scheme,
By the way that each critical component in test device to be packaged, can be improved the integrated level of device, opened up on encapsulating housing with
The bus via through holes of tested vehicle easily can be linked into bus interface component by the opposite through-hole of bus interface component,
Without additionally increasing conducting wire.
Optionally, in above-mentioned vehicle quiescent current test device, further include clinch, set through the encapsulating housing
It sets, is located at one end outside the encapsulating housing and is suitable for connecting with the body earth, be located at the encapsulating shell intracorporal one
End is electrically connected with the current detecting part.In above scheme, by that, through setting clinch, can facilitate on encapsulating housing
Current detecting part is electrically connected with body earth, increase conducting wire without additional.
Optionally, in above-mentioned vehicle quiescent current test device, further include conductive part, set through the encapsulating housing
It sets；Its one end for being located at outside the encapsulating housing forms the aperture for being suitable for being set on battery terminal, is located at the envelope
Dress intracorporal one end of shell is electrically connected with the other end of the current detecting part.In above scheme, by being passed through on encapsulating housing
It wears and sets conductive part, additional increase conducting wire can be not necessarily to easily by the electrode conduction of current detecting part and battery, and
Whole part is set on the electrode of battery by way of socket, can also increase the stability of device, avoid the occurrence of
The problem of virtual connection.
Any of the above technical solution provided by the utility model compared with prior art, at least has the advantages that
Vehicle quiescent current test device provided by the utility model, bus interface component therein are always maintained at and are tested
The connection for trying the bus network of vehicle, is monitored the bus communication state of all control modules of vehicle, and will monitor
All data are sent to controller, then the data that controller can be received according to bus interface component determine each control module
Working condition；Current detecting part is concatenated between body earth and battery, can detect vehicle quiescent current to greatest extent,
When detect quiescent current be greater than or equal to predetermined current threshold, then controller can according to the working condition of each control module,
Determine whether that all control modules are in dormant state, the control module for being not in dormant state is to influence quiescent current
Control module.In above scheme, tester can judge whether current quiescent current meets the requirements according to test result,
And it can determine the control module for influencing quiescent current, realize fault location.
Detailed description of the invention
Fig. 1 is the schematic illustration of prior art vehicle quiescent current test device；
Fig. 2 is the schematic diagram of vehicle quiescent current test device structure described in the utility model one embodiment；
Fig. 3 is the schematic diagram of vehicle quiescent current test device structure described in another embodiment of the utility model；
Fig. 4 is the structure of the encapsulating housing of vehicle quiescent current test device structure described in the utility model one embodiment
Schematic diagram.
Specific embodiment
The utility model embodiment is further illustrated below in conjunction with attached drawing.It needs in the description of the present invention,
It is bright, the orientation or position of the instructions such as term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description that simplifies of description the utility model, and
It is not that the device of indication or suggestion meaning or component must have specific orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.Wherein, term " first position " and " second position " are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
The present embodiment provides a kind of vehicle quiescent current test devices, as shown in Fig. 2, including current detecting part 1, bus
Interface unit 2, controller 3.Wherein, the current detecting part 1 is connected to the body earth 4 and battery 5 of tested vehicle
An electrode between, measure the quiescent current of tested vehicle；The bus interface component 2, first port and tested
The bus data output interface of measuring car communicates to connect, and receives each of the detected vehicle of the bus data output interface output
The status data of control module；The controller 3, first port are connect with 1 output end of current detecting part, receive institute
State quiescent current；Its second port is connect with the second port of the bus interface component 2, receives the status data；When
When the quiescent current is greater than or equal to predetermined current threshold, the output end output standby signal of the controller 3 and institute
Status data is stated as test result, the output end of the controller 3 can be using conventional display unit or voice broadcast
Component etc. can prompt relevant information.
In above scheme, each control module of tested vehicle has data transmission to close with its bus data output interface
System, therefore the data by receiving tested vehicle bus data output interface output can determine each control of tested vehicle
Whether module is in running order.For example, signal will not be sent in bus under working as a certain control module in a dormant state
Or some specific signals can be only sent to guarantee that it will not be made to consume excessive electricity, bus interface component 2 connects at this time
In the status data of the bus data output interface received, the signal of the control module will not included or include the control mould
The signal specific of block output then illustrates the control module in a dormant state if it is above-mentioned two situations, will not tie to test
Vehicle quiescent current in fruit has an impact, otherwise then illustrate that the control module is in non-sleep state, it at this time can be to quiet
The test result of state electric current has an impact.Bus interface component 2 in this programme is used and can be connect with existing vehicle bus data
The matched standard data interface of mouth.
The existing MCU controller of the prior art, data processing chip, PLC control may be selected in controller 3 in above scheme
Device etc. need to only meet storage, reception, simple comparison and output function, exist for example, each control module is stored in advance
The signal standards value that should be exported under dormant state, after the status data for receiving bus interface component 2, with pre-stored letter
Number standard value is compared, be in the prior art existing simple logic algorithm can realize.And by test result
It is converted to the signal that can be shown or voice signal is also existing highly developed technology, no longer retouched in detail in the present embodiment
It states.
Above scheme provided in this embodiment can determine the static state of tested vehicle by current detecting part 1 in real time
Current value can obtain the status data for each control module for being detected vehicle by bus interface component 2 in real time.Work as controller
When 3 quiescent currents received are greater than or equal to predetermined current threshold, illustrate that quiescent current is not at standard state at this time
Interior, the output end of the controller 3 exports standby signal and the status data, the state in test result in this case
Data show tested vehicle currently all controller communication data and working condition, thus can assist operators it is accurate
Judge it is which control module affects vehicle quiescent current on earth, provide rectification foundation for designer.
As previously mentioned, the output end of the controller 3 in above scheme can play for the display of its own configuration or voice
Component.As a preferred solution, as shown in figure 3, can also include display in above-mentioned vehicle quiescent current test device
Component 6, the output end of component 7 and the controller 3 communicates to connect by wireless communication, receives and shows the standby signal
And the status data.Wireless communication unit 7 therein can be bluetooth module, RF receiving and transmission module, 3G/4G cellular network
Deng.The display unit 6 can be mobile terminal or oscillograph or computer.Using wireless communication module, during the test
The information such as the bus data of all tests, quiescent current are sent directly to computer end, oscillograph end or mobile phone terminal always, side
Just tester carries out data record, analysis.
It is further preferred that as shown in figure 3, can also include power supply 8, the power supply with the controller 3 in above scheme
End connection provides electric energy for the controller 3.Other component if desired electric energy, both can be connected directly or lead to power supply 8
It crosses and connect realization with the port of controller 3.It, can by way of power supply 8 is separately configured and is controller 3 and other component power supply
Reduce test environment in terms of electricity consumption to the influence of whole device, also eliminates the power supply line of whole device when in use, no
It is influenced by external power supply harness length.
The current detecting part 1 in above scheme can preferably be adopted using the sensor with current detection function
With electronic type current sensor, two detection pins of electronic type current sensor vehicle with the tested vehicle respectively
Body bonding is connected with battery terminal negative.The monitoring that vehicle quiescent current is realized using electronic type current sensor, can be greatly improved
The problem of measuring accuracy is avoided the occurrence of due to testing tool error, and test result reference value is caused to decline.
Embodiment 2
Vehicle quiescent current test device in embodiment 1, all parts therein can be set on one piece of circuit board
Realization electrically connects, and the connection between battery 5 and body earth 4 can be realized by way of additive wire.As one kind
It can also include package parts to preferred scheme, be prepared by insulating materials, by the current detecting part 1, described total
Line interface component 2, the controller 3 and the encapsulation of the power supply 8 are inside it；Cable-through hole is offered thereon.Wherein wirelessly communicate
The part being connected in component 7 with the controller 3 can also be encapsulated in inside the package parts.By will be in test device
Each critical component is packaged, and can be improved the integrated level of device, by opening up cable-through hole on package parts, can be convenient for
The electric connecting parts such as conducting wire are set, the installation settings of test device is facilitated.
Embodiment 3
Vehicle quiescent current test device provided in this embodiment, as shown in figure 4, further including encapsulating housing 9, by insulation material
Material is prepared, and the current detecting part 1, the bus interface component 2, the controller 3 and the power supply 8 are encapsulated in
Inside it；Through-hole 91 is offered on the encapsulating housing 9, the first port of the bus interface component and the through-hole 91 are opposite
Setting.By the way that each critical component in test device to be packaged, it can be improved the integrated level of device, opened on encapsulating housing
If the through-hole opposite with bus interface component, the bus interface via through holes of tested vehicle easily can be linked into bus and connect
Mouthpiece increases conducting wire without additional.
Further, it can also include clinch 92 in above-mentioned test device, be arranged through the encapsulating housing 9, position
Be suitable for connect with the body earth 4 in one end outside the encapsulating housing 9, be located at one end in the encapsulating housing 9 and
One end of the current detecting part 1 is electrically connected.By on encapsulating housing through setting clinch 92, can easily will be electric
Stream detection part 1 is electrically connected with body earth 4, increases conducting wire without additional.
Further, it can also include conductive part 93 in above-mentioned test device, be arranged through the encapsulating housing 9；Its position
The aperture 94 for being suitable for being sheathed on 5 electrode of battery is formed in one end outside the encapsulating housing 9, is located at the encapsulation
One end in shell 9 is electrically connected with the other end of the current detecting part 1.By conductive through setting on encapsulating housing 9
Portion 93 can increase conducting wire without additional, and pass through set easily by the electrode conduction of current detecting part 1 and battery 5
Whole part is set on the electrode of battery 5 by the mode connect, can also be increased the stability of device, be avoided the occurrence of virtual connection
Problem.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of vehicle quiescent current test device characterized by comprising
Current detecting part is connected between the body earth of tested vehicle and an electrode of battery, and measurement is tested
The quiescent current of vehicle；
The bus data output interface of bus interface component, first port and detected vehicle communicates to connect, and receives described total
The status data of each control module of the detected vehicle of line data output interface output；
Controller, first port are connect with the current detecting part output end, receive the quiescent current；Its second end
Mouth is connect with the second port of the bus interface component, receives the status data；When the quiescent current is greater than or waits
When predetermined current threshold, the output end output standby signal of the controller and the status data are as test result.
2. vehicle quiescent current test device according to claim 1, which is characterized in that further include:
Display unit, the output end of component and the controller communicates to connect by wireless communication, receives and shows described mention
Show signal and the status data.
3. vehicle quiescent current test device according to claim 2, it is characterised in that:
The display unit is mobile terminal or oscillograph or computer.
4. vehicle quiescent current test device according to claim 1, it is characterised in that:
The current detecting part is electronic type current sensor, and two detection pins of the electronic type current sensor are distinguished
It is electrically connected with the body earth of the tested vehicle and battery terminal negative.
5. vehicle quiescent current test device according to claim 1-4, which is characterized in that further include:
Power supply is connect with the feeder ear of the controller, provides electric energy for the controller.
6. vehicle quiescent current test device according to claim 5, which is characterized in that further include:
Package parts are prepared by insulating materials；
The package parts are by the current detecting part, the bus interface component, the controller and the power package
Inside it, cable-through hole is offered thereon.
7. vehicle quiescent current test device according to claim 5, which is characterized in that further include:
Encapsulating housing is prepared by insulating materials, by the current detecting part, the bus interface component, the control
Device and the power package are inside it；
Through-hole is offered on the encapsulating housing, the first port of the bus interface component is oppositely arranged with the through-hole.
8. vehicle quiescent current test device according to claim 7, which is characterized in that further include:
Clinch is arranged through the encapsulating housing, and the one end being located at outside the encapsulating housing is suitable for and the body earth
Connection is located at the intracorporal one end of the encapsulating shell and is electrically connected with one end of the current detecting part.
9. vehicle quiescent current test device according to claim 7, which is characterized in that further include:
Conductive part is arranged through the encapsulating housing；Its one end for being located at outside the encapsulating housing, which forms, to be suitable for being set in storage
Aperture on battery electrode is located at the intracorporal one end of the encapsulating shell and is electrically connected with the other end of the current detecting part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095151.XU CN208547665U (en) | 2018-07-11 | 2018-07-11 | Vehicle quiescent current test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095151.XU CN208547665U (en) | 2018-07-11 | 2018-07-11 | Vehicle quiescent current test device |
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| CN208547665U true CN208547665U (en) | 2019-02-26 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568838A (en) * | 2019-08-27 | 2019-12-13 | 浙江吉利汽车研究院有限公司 | vehicle quiescent current acquisition method and system, electronic device and storage medium |
| CN110949405A (en) * | 2019-12-24 | 2020-04-03 | 大陆汽车车身电子系统（芜湖）有限公司 | Method for controlling module to enter sleep state and method for detecting quiescent current |
| CN111398657A (en) * | 2020-03-31 | 2020-07-10 | 奇瑞新能源汽车股份有限公司 | Whole-vehicle static current testing device and method for electric vehicle |
| CN111880040A (en) * | 2020-08-17 | 2020-11-03 | 三一重机有限公司 | Dark current testing system and method and engineering machinery |
| CN112240960A (en) * | 2019-08-06 | 2021-01-19 | 北京新能源汽车技术创新中心有限公司 | Test method, test device, computer equipment and storage medium |
| CN113049866A (en) * | 2019-12-27 | 2021-06-29 | 北京新能源汽车股份有限公司 | Static current test system and static current test method of electric automobile |
| CN113406517A (en) * | 2020-03-16 | 2021-09-17 | 广州汽车集团股份有限公司 | Vehicle quiescent current detection method and system thereof |
| CN113960347A (en) * | 2021-09-09 | 2022-01-21 | 东风汽车集团股份有限公司 | Static dark current testing device and method |
| CN117148185A (en) * | 2023-10-30 | 2023-12-01 | 四川赛科检测技术有限公司 | Method, device and storage medium for testing quiescent current of battery system |
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- 2018-07-11 CN CN201821095151.XU patent/CN208547665U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112240960A (en) * | 2019-08-06 | 2021-01-19 | 北京新能源汽车技术创新中心有限公司 | Test method, test device, computer equipment and storage medium |
| CN112240960B (en) * | 2019-08-06 | 2024-02-27 | 北京国家新能源汽车技术创新中心有限公司 | Test method, test device, computer equipment and storage medium |
| CN110568838A (en) * | 2019-08-27 | 2019-12-13 | 浙江吉利汽车研究院有限公司 | vehicle quiescent current acquisition method and system, electronic device and storage medium |
| CN110568838B (en) * | 2019-08-27 | 2021-08-13 | 浙江吉利汽车研究院有限公司 | Vehicle quiescent current acquisition method and system, electronic device and storage medium |
| CN110949405B (en) * | 2019-12-24 | 2022-04-12 | 大陆汽车车身电子系统（芜湖）有限公司 | Method for controlling module to enter sleep state and method for detecting quiescent current |
| CN110949405A (en) * | 2019-12-24 | 2020-04-03 | 大陆汽车车身电子系统（芜湖）有限公司 | Method for controlling module to enter sleep state and method for detecting quiescent current |
| CN113049866A (en) * | 2019-12-27 | 2021-06-29 | 北京新能源汽车股份有限公司 | Static current test system and static current test method of electric automobile |
| CN113406517A (en) * | 2020-03-16 | 2021-09-17 | 广州汽车集团股份有限公司 | Vehicle quiescent current detection method and system thereof |
| CN111398657A (en) * | 2020-03-31 | 2020-07-10 | 奇瑞新能源汽车股份有限公司 | Whole-vehicle static current testing device and method for electric vehicle |
| CN111880040A (en) * | 2020-08-17 | 2020-11-03 | 三一重机有限公司 | Dark current testing system and method and engineering machinery |
| CN111880040B (en) * | 2020-08-17 | 2022-12-02 | 三一重机有限公司 | Dark current testing system and method and engineering machinery |
| CN113960347A (en) * | 2021-09-09 | 2022-01-21 | 东风汽车集团股份有限公司 | Static dark current testing device and method |
| CN117148185A (en) * | 2023-10-30 | 2023-12-01 | 四川赛科检测技术有限公司 | Method, device and storage medium for testing quiescent current of battery system |
| CN117148185B (en) * | 2023-10-30 | 2024-02-09 | 四川赛科检测技术有限公司 | Method, device and storage medium for testing quiescent current of battery system |
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