CN111398657A - Whole-vehicle static current testing device and method for electric vehicle - Google Patents
Whole-vehicle static current testing device and method for electric vehicle Download PDFInfo
- Publication number
- CN111398657A CN111398657A CN202010241932.0A CN202010241932A CN111398657A CN 111398657 A CN111398657 A CN 111398657A CN 202010241932 A CN202010241932 A CN 202010241932A CN 111398657 A CN111398657 A CN 111398657A
- Authority
- CN
- China
- Prior art keywords
- positive
- vehicle
- meter pen
- terminal
- negative
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a device and a method for testing the quiescent current of a whole electric automobile, wherein the testing device comprises a digital multimeter and a data collector; the digital multimeter is provided with a meter pen positive connecting piece and a meter pen negative connecting piece, and a switch is connected between the meter pen positive connecting piece and the meter pen negative connecting piece; the positive connecting piece of the meter pen is used for connecting a positive connecting terminal of the static low-voltage circuit, and the negative connecting piece of the meter pen is used for connecting a positive pole of a battery in the static low-voltage circuit; the data acquisition unit is electrically connected with the digital multimeter and is used for acquiring and storing the current tested by the digital multimeter; the switch is in a closed state when the digital multimeter is connected in series on the electrostatic low-voltage circuit, and is in an open state during measurement; by adopting the technical scheme, the quiescent current of the whole vehicle in the existing pure electric vehicle can be effectively measured, and the measuring device is reasonable and simple in structure and convenient to operate.
Description
Technical Field
The invention belongs to the technical field of static current testing of electric automobiles, and particularly relates to a whole automobile static current testing device and method of an electric automobile.
Background
Pure electric automobile is under the circumstances that the vehicle was down electrified, the door is blocked, all with electrical apparatus all close, because the increase of user's required function, if: the anti-theft system of the car body, the locking function of the steering wheel, the locking function of the P gear, the TBOX, the remote control function, the partial memory function and the like cause partial electric appliances to still have a small amount of quiescent current. The low-voltage circuit diagram after the whole vehicle is powered off is shown in fig. 1, and due to the existence of the static current of the whole vehicle, if the vehicle is parked for a long time after being powered off, the electric quantity of the lead-acid storage battery is continuously consumed, the phenomena of power shortage of the lead-acid storage battery and incapability of starting the vehicle can be caused in serious conditions, and even the service life of the lead-acid storage battery is influenced.
Generally, when a vehicle is designed in an early stage, the quiescent current of the whole vehicle needs to be controlled within a certain range so as to meet the requirement that the vehicle cannot generate the power shortage phenomenon of a lead-acid storage battery within a specified storage time; for pure electric vehicles, the storage time acceptable to general users is 30-45 days.
In order to verify whether the quiescent current of the whole vehicle meets a design target value, a digital multimeter is generally connected in series in a circuit where a lead-acid battery is located, the quiescent current value of the whole vehicle after power-off for 30min is recorded, and when the current tends to be stable within 15min, the value is considered as the quiescent current value of the whole vehicle; however, the method cannot record the current change situation with time, and with the increase of the function requirements of the pure electric vehicle, partial electric appliances still need to be intermittently started after the whole vehicle is powered off, such as intelligent power supply, remote monitoring and the like, and only data after the vehicle is powered off for 30min is tested, so that the actual situation cannot be met.
Based on the technical problems in the static current measurement of the pure electric vehicle, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide a whole-automobile static current testing device and method for an electric automobile aiming at the defects in the prior art and aims to solve the problem of static current measurement of the existing pure electric automobile.
The invention provides a whole-automobile quiescent current testing device for an electric automobile, which comprises a digital multimeter and a data collector, wherein the digital multimeter is used for measuring the quiescent current of the whole automobile; the digital multimeter is provided with a meter pen positive connecting piece and a meter pen negative connecting piece, and a switch is connected between the meter pen positive connecting piece and the meter pen negative connecting piece; the positive connecting piece of the meter pen is used for connecting a positive connecting terminal of the static low-voltage circuit, and the negative connecting piece of the meter pen is used for connecting a positive pole of a battery in the static low-voltage circuit; the data acquisition unit is electrically connected with the digital multimeter and is used for acquiring and storing the current tested by the digital multimeter; the switch is in a closed state when the digital multimeter is connected in series with the electrostatic low-voltage circuit and is in an open state during measurement.
Further, the positive connection piece of the meter pen comprises a negative electrode of the measuring meter pen, a negative terminal of the meter pen and a positive terminal connection line, and the negative connection piece of the meter pen comprises a positive electrode of the measuring meter pen, a positive terminal of the meter pen and a positive terminal connection line; the negative pole of the measuring pen-shape metre is connected with the negative pole binding post of the pen-shape metre, the positive pole of the measuring pen-shape metre is connected with the positive pole binding post of the pen-shape metre; the positive terminal connecting wire is connected with the negative terminal of the meter pen, and the positive terminal connecting wire is connected with the positive terminal of the meter pen; the switch is arranged between the positive connecting terminal connecting wire and the positive post connecting wire and is communicated with the positive connecting terminal connecting wire and the positive post connecting wire when the switch is closed; the positive post connecting wire is used for connecting the positive post of battery, and positive binding post connecting wire is used for connecting positive binding post.
Further, the electrostatic low-voltage circuit comprises a battery, a fuse box and an electric load; one end of the fuse box is electrically connected with an electric load, the electric load is connected with a vehicle body grounding piece, and the other end of the fuse box is connected with a positive connecting terminal; the battery is a lead-acid battery, a positive pole column and a negative pole column are arranged on the lead-acid battery, and the negative pole column is connected with a vehicle body ground.
Furthermore, the negative terminal of the gauge pen and the positive terminal of the gauge pen are plug-in type terminals; the tail ends of the positive wiring terminal connecting wire and the positive post connecting wire are respectively provided with a clip connector.
Correspondingly, the invention also provides a whole vehicle quiescent current testing method of the electric vehicle, which is applied to the quiescent current testing device; the method specifically comprises the following steps:
s1: closing all power loads of the vehicle, powering off the vehicle, pulling out a key, closing a door and a window, and only keeping a front hatch cover open;
s2: disconnecting a positive terminal in the electrostatic low-voltage circuit from a positive post of the electrode;
s3: connecting the static current testing device between the positive terminal of the static low-voltage circuit and the positive pole of the electrode in series, and closing the switch when connecting in series;
s4: and opening the data collector and the digital multimeter, adjusting the range of the digital multimeter, then disconnecting the switch, and starting to measure the current condition after the vehicle is powered off.
Further, in the step S2, the series connection of the static current testing devices specifically includes: and connecting the positive connecting piece of the meter pen of the static current testing device with a positive connecting terminal in the static low-voltage circuit, and connecting the negative connecting piece of the meter pen of the static current testing device with a positive pole of the electrode.
Further, the test time in S4 was 12 hours to 24 hours.
Further, in S4, when calculating the actual quiescent current of the entire vehicle, the average value of the quiescent currents of the entire vehicle 30min after the vehicle is powered off is taken as the actual measured entire vehicle quiescent current value.
By adopting the technical scheme, the static current of the whole vehicle in the existing pure electric vehicle can be effectively measured, and the measuring device is reasonable and simple in structure and convenient to operate; by detecting the whole vehicle quiescent current in the pure electric vehicle, the battery of the pure electric vehicle is monitored, and the service life of the lead-acid battery is prolonged.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a low-voltage circuit diagram after the whole vehicle is powered off;
FIG. 2 is a schematic diagram of a whole vehicle quiescent current testing device of an electric vehicle according to the present invention;
FIG. 3 is a schematic diagram of a whole vehicle quiescent current test principle of an electric vehicle according to the present invention;
FIG. 4 shows the result of the static current test of the whole vehicle of a certain vehicle type.
In the figure: 1. bonding the vehicle body; 2. an electricity load; 3. a fuse box; 4. a positive post; 5. a negative pole post; 6. a positive terminal; 7. a negative terminal; 8. a battery; 10. a digital multimeter; 11. a display; 20. measuring the negative electrode of the meter pen; 30. measuring the positive pole of the meter pen; 40. a negative terminal of the meter pen; 50. a positive terminal of the meter pen; 60. a switch; 70. a positive terminal connecting wire; 80. a positive post connecting wire; 81. a wiring terminal; 90. and a data acquisition device.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 4, the invention provides a device for testing quiescent current of an electric vehicle, which comprises a digital multimeter 10 and a data collector 90, wherein the digital multimeter 10 is a high-precision multimeter and a test meter pen, and is used for collecting quiescent current after the vehicle is powered off, and the data collector 90 can record current results of the high-precision multimeter test in real time and store the current results in a data form, so as to facilitate later-stage data analysis; the digital multimeter 10 is provided with a positive meter pen connecting piece and a negative meter pen connecting piece, and a switch 60 is connected between the positive meter pen connecting piece and the negative meter pen connecting piece; the positive connecting piece of the meter pen is used for connecting a positive connecting terminal 6 of the static low-voltage circuit, and the negative connecting piece of the meter pen is used for connecting a positive pole of a battery 8 in the static low-voltage circuit; the data acquisition unit 90 is electrically connected with the digital multimeter 10, and the data acquisition unit 90 is used for acquiring and storing the current tested by the digital multimeter 10; the switch 60 is in a closed state when the digital multimeter 10 is connected in series on the electrostatic low voltage circuit, thereby making the positive connection piece and the negative connection piece of the meter pen conductive and in an open state during measurement; the switch 60 is used for protecting the digital multimeter from being damaged at the moment of accessing a circuit; by adopting the scheme, the static current of the whole vehicle in the existing pure electric vehicle can be effectively measured, and the measuring device is reasonable and simple in structure and convenient to operate.
Preferably, in combination with the above scheme, as shown in fig. 1 to 4, the positive connection piece of the stylus includes a measurement stylus negative electrode 20, a stylus negative electrode terminal 40 and a positive terminal connection line 70, and the negative connection piece of the stylus includes a measurement stylus positive electrode 30, a stylus positive electrode terminal 50 and a positive electrode terminal connection line 80; the measuring pen type anode 20 is connected with a pen type anode binding post 40, and the measuring pen type anode 30 is connected with a pen type anode binding post 50; the positive terminal connecting wire 70 is connected with the negative terminal 40 of the meter pen, and the positive terminal connecting wire 80 is connected with the positive terminal 50 of the meter pen; the switch 60 is arranged between the positive connecting terminal connecting wire 70 and the positive pole connecting wire 80, and the switch 60 is communicated with the positive connecting terminal connecting wire 70 and the positive pole connecting wire 80 when being closed; the positive post connecting wire 80 is used for connecting the positive post 4 of the battery, and the positive connecting terminal connecting wire 70 is used for connecting the positive connecting terminal 6.
Preferably, in combination with the above, as shown in fig. 1 to 4, the electrostatic low-voltage circuit includes a battery 8, a fuse box 3, and an electric load 2; during measurement, firstly, a positive terminal and a positive post of the lead-acid battery are disconnected; one end of the fuse box 3 is electrically connected with an electric load 2, the electric load 2 is connected with a vehicle body grounding 1, and the other end of the fuse box 3 is connected with a positive connecting terminal 6; the battery 8 is a lead-acid battery, a positive pole post 4 and a negative pole post 5 are arranged on the lead-acid battery, and the negative pole post 5 is connected with the vehicle body grounding 1.
Preferably, in combination with the above scheme, as shown in fig. 1 to 4, the stylus negative terminal 40 and the stylus positive terminal 50 are plug-in type terminals, and the stylus negative terminal 40 can be made into a plug-in type terminal convenient for testing, and meanwhile, good contact of the test stylus in a circuit after connection is ensured; the tail ends of the positive terminal connecting wire 70 and the positive post connecting wire 80 are respectively provided with a clip connector, and the connecting wire (containing the clip connector) of the positive terminal of the lead-acid battery and the connecting wire (containing the terminal) of the positive post of the lead-acid battery are designed aiming at the structures of the positive terminal 6 and the positive post 4, so that the operation convenience of the testing device can be facilitated.
In the above scheme, as shown in fig. 1 to 4, during a vehicle quiescent current test, firstly, all power loads of a vehicle are turned off, the vehicle is powered off, a key is pulled out, doors and windows are turned off (only a front hatch cover is opened), then, a positive terminal block 6 and a positive post 4 of a vehicle lead-acid battery in fig. 1 are disconnected, a vehicle quiescent current test device is connected in series to a circuit where the lead-acid battery is located, attention needs to be paid to firstly closing a switch 60 during the series connection, then, a positive terminal block connecting wire 70 is clamped to the positive terminal block 6 of the lead-acid battery, a terminal block 81 of a positive post connecting wire 80 is connected to the positive post 4, finally, a data collector and a high-precision multimeter are opened, a proper range is adjusted by the high-precision multimeter, then, a switch in the test device is disconnected, and; the quiescent current test time can be prolonged to 12h or 24h to ensure the integrity of the quiescent current test.
Correspondingly, in combination with the above solutions, as shown in fig. 1 to 4, the present invention further provides a whole vehicle quiescent current testing method for an electric vehicle, which is applied to the quiescent current testing apparatus described above; the test method specifically comprises the following steps:
s1: closing all power loads of the vehicle, powering off the vehicle, pulling out a key, closing a door and a window, and only keeping a front hatch cover open;
s2: disconnecting the positive terminal 6 of the static low-voltage circuit from the positive post 4 of the electrode; because the chemical corrosion of the cathode earth of the whole vehicle to the frame or the vehicle body metal is light and the radio interference is small, the cathode earth is uniformly adopted by the vehicle circuit, namely the cathodes of all the electricity loads are earthed nearby; therefore, when the static current test of the whole vehicle is carried out, the positive terminal 6 in the static low-voltage circuit and the positive pole 4 of the lead-acid battery are usually disconnected, then the test device is connected in series into the circuit, and because the positive terminal and the positive pole are both in a quick plug-in structure, the device manufactures a connecting wire (comprising a specially-made clip connector) of the positive terminal of the lead-acid battery and a connecting wire 80 (comprising a terminal 81) of the positive pole aiming at the plug-in structure, so that the operation convenience of the test device is facilitated;
s3: connecting the static current testing device in series between the positive connecting terminal 6 and the positive pole 4 of the electrode in the static low-voltage circuit, and closing the switch 60 when connecting in series; then clamping the clamp connector of the positive terminal connecting wire 70 to the positive terminal 6 of the electrostatic low-voltage circuit, and connecting the terminal 81 of the positive pole connecting wire 80 of the lead-acid battery to the positive pole 4;
s4: turning on the data collector and the digital multimeter, adjusting the measuring range of the digital multimeter 10, then turning off the switch 60, and starting to measure the current condition after the vehicle is powered off; because the general littleer of high accuracy universal meter range, if directly establish ties lead-acid batteries circuit with it in, in the twinkling of an eye of high accuracy universal meter access circuit, produce great electric current easily, the range when the electric current surpasss high accuracy universal meter will lead to high accuracy universal meter fuse to burn, consequently need arrange a switch in the device, when the switch closure, high accuracy universal meter short circuit to guarantee not receive the harm when the device establishes ties lead-acid batteries circuit high accuracy universal meter.
Preferably, in combination with the above scheme, as shown in fig. 1 to 4, in step S2, the series connection of the static current testing devices specifically includes: and connecting the positive connecting piece of the meter pen of the static current testing device with a positive connecting terminal 6 in the static low-voltage circuit, and connecting the negative connecting piece of the meter pen of the static current testing device with a positive pole 4 of the electrode.
Preferably, in combination with the above protocol, as shown in fig. 1 to 4, the test time in S4 in S4 is 12 to 24 hours; and when the actual quiescent current of the whole vehicle is calculated, the average value of the quiescent current of the vehicle after being electrified for 30min is taken as the actual measured quiescent current value of the whole vehicle.
With the combination of the above schemes, as shown in fig. 4, in actual measurement, the static current test time of the whole vehicle of a certain vehicle type is prolonged to 46h in the test, and it is found that the static current of the vehicle periodically changes after all the power loads of the vehicle are closed, the vehicle is powered off, a key is pulled out, and doors and windows are closed (only a front hatch cover is opened) for 30min, the minimum is below 20mA, and the maximum is above 200 mA; therefore, when the actual quiescent current of the whole vehicle is calculated, the average value of the quiescent current of the vehicle after being electrified for 30min is selected as the actual quiescent current value of the whole vehicle. Based on the static current periodic variation, the test time can be shortened to 12h or 24h as appropriate.
By adopting the technical scheme, the static current of the whole vehicle in the existing pure electric vehicle can be effectively measured, and the measuring device is reasonable and simple in structure and convenient to operate; by detecting the whole vehicle quiescent current in the pure electric vehicle, the battery of the pure electric vehicle is monitored, and the service life of the lead-acid battery is prolonged.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (8)
1. The whole vehicle quiescent current testing device of the electric vehicle is characterized by comprising a digital multimeter (10) and a data collector (90); the digital multimeter (10) is provided with a positive meter pen connecting piece and a negative meter pen connecting piece, and a switch (60) is connected between the positive meter pen connecting piece and the negative meter pen connecting piece; the positive connecting piece of the meter pen is used for connecting a positive connecting terminal (6) of the static low-voltage circuit, and the negative connecting piece of the meter pen is used for connecting a positive pole of a battery (8) in the static low-voltage circuit; the data collector (90) is electrically connected with the digital multimeter (10), and the data collector (90) is used for collecting and storing current tested by the digital multimeter (10); the switch (60) is in a closed state when the digital multimeter (10) is connected in series with an electrostatic low voltage circuit and is in an open state during measurement.
2. The whole vehicle quiescent current testing device of the electric vehicle according to claim 1, wherein the meter pen positive connecting piece comprises a measuring meter pen negative electrode (20), a meter pen negative electrode binding post (40) and a positive electrode binding post connecting wire (70), and the meter pen negative connecting piece comprises a measuring meter pen positive electrode (30), a meter pen positive electrode binding post (50) and a positive electrode pole connecting wire (80); the measuring pen type meter negative electrode (20) is connected with the pen type meter negative electrode binding post (40), and the measuring pen type meter positive electrode (30) is connected with the pen type meter positive electrode binding post (50); the positive terminal connecting wire (70) is connected with the meter pen negative terminal (40), and the positive pole connecting wire (80) is connected with the meter pen positive terminal (50); the switch (60) is arranged between the positive connecting terminal connecting wire (70) and the positive post connecting wire (80), and the switch (60) is communicated with the positive connecting terminal connecting wire (70) and the positive post connecting wire (80) when being closed; the positive pole connecting wire (80) is used for connecting a positive pole (4) of the battery, and the positive connecting terminal connecting wire (70) is used for connecting a positive connecting terminal (6).
3. The device for testing the quiescent current of the whole electric automobile according to claim 1 or 2, wherein the electrostatic low-voltage circuit comprises a battery (8), a fuse box (3) and an electric load (2); one end of the fuse box (3) is electrically connected with the electric load (2), the electric load (2) is connected with a vehicle body grounding (1), and the other end of the fuse box (3) is connected with the positive connecting terminal (6); the battery (8) is a lead-acid battery, the lead-acid battery is provided with a positive pole post (4) and a negative pole post (5), and the negative pole post (5) is connected with a vehicle body grounding (1).
4. The whole vehicle static current testing device of the electric vehicle as claimed in claim 2, wherein the meter pen negative terminal (40) and the meter pen positive terminal (50) are plug-in type terminals; and the tail ends of the positive terminal connecting wire (70) and the positive post connecting wire (80) are respectively provided with a clip connector.
5. A whole vehicle quiescent current testing method of an electric vehicle is applied to the quiescent current testing device of any one of the claims 1 to 4; the method is characterized by comprising the following steps:
s1: closing all power loads of the vehicle, powering off the vehicle, pulling out a key, closing a door and a window, and only keeping a front hatch cover open;
s2: disconnecting a positive terminal (6) in the electrostatic low-voltage circuit from a positive post (4) of the electrode;
s3: connecting a static current testing device between a positive terminal (6) and a positive pole (4) of an electrode in series in the static low-voltage circuit, and closing a switch (60) when the static current testing device is connected in series;
s4: and (3) turning on the data acquisition unit and the digital multimeter, adjusting the range of the digital multimeter (10), and then turning off the switch (60) to start measuring the current condition after the vehicle is powered off.
6. The whole vehicle quiescent current testing method of the electric vehicle of claim 5, wherein in the step S2, the series connection of the quiescent current testing devices specifically comprises: and connecting the positive connecting piece of the meter pen of the static current testing device with a positive connecting terminal (6) in the static low-voltage circuit, and connecting the negative connecting piece of the meter pen of the static current testing device with a positive pole (4) of the electrode.
7. The whole vehicle quiescent current testing method of the electric vehicle according to claim 5, wherein the testing time in S4 is 12 hours to 24 hours.
8. The whole vehicle static current testing method of the electric vehicle as claimed in claim 5, wherein in S4, when calculating the whole vehicle actual static current, the average value of the static current of the vehicle after being powered off for 30min is taken as the actually measured whole vehicle static current value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010241932.0A CN111398657A (en) | 2020-03-31 | 2020-03-31 | Whole-vehicle static current testing device and method for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010241932.0A CN111398657A (en) | 2020-03-31 | 2020-03-31 | Whole-vehicle static current testing device and method for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111398657A true CN111398657A (en) | 2020-07-10 |
Family
ID=71429381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010241932.0A Pending CN111398657A (en) | 2020-03-31 | 2020-03-31 | Whole-vehicle static current testing device and method for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111398657A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533827A (en) * | 2021-07-30 | 2021-10-22 | 东风汽车集团股份有限公司 | Vehicle static consumed current testing device, system and method |
| CN115061448A (en) * | 2022-05-11 | 2022-09-16 | 中国第一汽车股份有限公司 | Whole vehicle static current testing method under rain working condition |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247302Y (en) * | 2008-08-18 | 2009-05-27 | 天津市电力公司 | Apparatus for measuring polar of isonym end of current mutual inductor or transformer |
| CN103364690A (en) * | 2013-07-17 | 2013-10-23 | 北京汽车股份有限公司 | Testing system and method for safety |
| CN205301413U (en) * | 2015-12-17 | 2016-06-08 | 北汽福田汽车股份有限公司 | Test system for vehicle quiescent current |
| CN105699825A (en) * | 2016-04-05 | 2016-06-22 | 安徽江淮汽车股份有限公司 | Automobile static current detecting device and method |
| CN206920504U (en) * | 2017-01-26 | 2018-01-23 | 北京汽车研究总院有限公司 | A kind of vehicle complete vehicle quiescent current test device |
| CN108196145A (en) * | 2017-12-22 | 2018-06-22 | 台州市路桥豪达汽车电器有限公司 | Automobile electric performance test method and system |
| CN208547665U (en) * | 2018-07-11 | 2019-02-26 | 威马智慧出行科技（上海）有限公司 | Vehicle quiescent current test device |
-
2020
- 2020-03-31 CN CN202010241932.0A patent/CN111398657A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247302Y (en) * | 2008-08-18 | 2009-05-27 | 天津市电力公司 | Apparatus for measuring polar of isonym end of current mutual inductor or transformer |
| CN103364690A (en) * | 2013-07-17 | 2013-10-23 | 北京汽车股份有限公司 | Testing system and method for safety |
| CN205301413U (en) * | 2015-12-17 | 2016-06-08 | 北汽福田汽车股份有限公司 | Test system for vehicle quiescent current |
| CN105699825A (en) * | 2016-04-05 | 2016-06-22 | 安徽江淮汽车股份有限公司 | Automobile static current detecting device and method |
| CN206920504U (en) * | 2017-01-26 | 2018-01-23 | 北京汽车研究总院有限公司 | A kind of vehicle complete vehicle quiescent current test device |
| CN108196145A (en) * | 2017-12-22 | 2018-06-22 | 台州市路桥豪达汽车电器有限公司 | Automobile electric performance test method and system |
| CN208547665U (en) * | 2018-07-11 | 2019-02-26 | 威马智慧出行科技（上海）有限公司 | Vehicle quiescent current test device |
Non-Patent Citations (1)
| Title |
|---|
| 康拉德•莱夫等: "《机动车混合动力系统》", 31 March 2017, 北京理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533827A (en) * | 2021-07-30 | 2021-10-22 | 东风汽车集团股份有限公司 | Vehicle static consumed current testing device, system and method |
| CN115061448A (en) * | 2022-05-11 | 2022-09-16 | 中国第一汽车股份有限公司 | Whole vehicle static current testing method under rain working condition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106025399B (en) | A kind of automobile storage battery monitoring method and system | |
| TW416161B (en) | Battery charge indicator | |
| CN202230137U (en) | Power cell insulation detection system for electric automobile | |
| CN111398657A (en) | Whole-vehicle static current testing device and method for electric vehicle | |
| CN105548780A (en) | Electric automobile DC charging pile interface circuit simulator | |
| CN102262201A (en) | Method and system for detecting faults of overhead power distribution line | |
| CN111812474A (en) | Insulation detection circuit, system and method for DC charging pile | |
| CN205581221U (en) | Electric automobile direct current fills electric pile interface circuit simulator | |
| CN212366052U (en) | Intelligent monitoring device for vehicle storage battery | |
| CN111478402A (en) | Vehicle-mounted terminal T-BOX standby battery charging method and system | |
| CN115201698B (en) | Method and system for evaluating health state of battery | |
| CN105974910B (en) | Auto-power on control device and system | |
| CN203117397U (en) | Battery leakage detection circuit | |
| CN115061448A (en) | Whole vehicle static current testing method under rain working condition | |
| CN105068531A (en) | Test system of auxiliary brake controller and test method of test system | |
| CN210657142U (en) | Transformer substation grounding device cathodic protection potential detection system | |
| CN111098757A (en) | Power battery system applying parallel battery packs | |
| CN212514807U (en) | Aluminum electrolytic capacitor charge-discharge testing device | |
| CN111257767B (en) | Battery integration detection system and method | |
| CN221039206U (en) | Static current detection device | |
| CN220323426U (en) | Circuit insulation resistance measuring device | |
| CN217545658U (en) | Backup power module with BMS management and protection functions | |
| CN220490943U (en) | Testing device for testing functions of battery management system | |
| CN216720937U (en) | Super capacitor module device for medical magnetic resonance imaging system | |
| CN212391530U (en) | Remote-measuring high-voltage electroscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200710 |