CN211124622U - Automobile training platform and BMS simulation high-voltage power distribution circuit thereof - Google Patents
Automobile training platform and BMS simulation high-voltage power distribution circuit thereof Download PDFInfo
- Publication number
- CN211124622U CN211124622U CN201920797375.3U CN201920797375U CN211124622U CN 211124622 U CN211124622 U CN 211124622U CN 201920797375 U CN201920797375 U CN 201920797375U CN 211124622 U CN211124622 U CN 211124622U
- Authority
- CN
- China
- Prior art keywords
- bms
- distribution circuit
- high voltage
- contactor
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a real standard platform of car and simulation BMS's high voltage distribution circuit thereof, wherein, a simulation BMS's high voltage distribution circuit, simulation BMS's high voltage distribution circuit includes battery module, simulation high voltage distribution module and load member: the simulation high-voltage power distribution module comprises a pre-charging contactor pre-charging resistor, the pre-charging resistor is connected with the pre-charging contactor in series, a common end of the pre-charging contactor in series is connected with the positive electrode of the output end of the battery module, and the pre-charging resistor is connected with the other common end of the pre-charging contactor in series and is connected with the positive electrode of the load piece. The utility model discloses technical scheme takes place the high-tension electricity and strikes when avoiding putting through high-pressure major loop, increases the security at the high-voltage distribution circuit of on-the-spot teaching simulation BMS.
Description
Technical Field
The utility model relates to an automobile teaching equipment field, in particular to real standard platform of car and simulation BMS's high voltage distribution circuit thereof.
Background
The BMS (Battery Management System) battery Management system mainly has the functions of total voltage monitoring, total current monitoring, battery residual capacity calculation, charge and discharge Management, contactor control, power control, battery abnormal state alarm and protection, electric leakage alarm, collision protection, self-checking, communication and the like. And the real vehicle uses high voltage, if the control logic of the BMS battery management system in the real vehicle is moved to the actual teaching application, potential safety hazards exist for the field teaching, so that the control logic of the BMS battery management system in the real vehicle cannot be applied to the basic teaching.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simulation BMS's high voltage distribution circuit, aim at increasing the security at on-the-spot teaching simulation BMS's high voltage distribution circuit.
In order to achieve the above object, the utility model provides a high voltage distribution circuit of simulation BMS, the high voltage distribution circuit of simulation BMS includes battery module, simulation high voltage distribution module and load piece:
the simulation high voltage distribution module includes pre-charge contactor and pre-charge resistance, pre-charge resistance with pre-charge contactor series connection, pre-charge resistance with a common end of pre-charge contactor series connection with the output anodal of battery module is connected, pre-charge resistance with another common end of pre-charge contactor series connection with the load piece anodal is connected, wherein, pre-charge contactor is used for buffering the discharge transient voltage pressure difference and too big leads to the fact the impact to the load, the load piece includes resistive load, through resistive load operation consumes electric energy in the high voltage distribution circuit of simulation BMS.
Preferably, the high voltage distribution circuit of the analog BMS further includes:
and the output end of the charger is connected with the simulation high-voltage power distribution module.
Preferably, the analog high voltage power distribution module further comprises:
and one end of the main contactor is connected with the other end of the pre-charging resistor, and the other end of the main contactor is connected with the anode of the load part.
Preferably, the analog high voltage power distribution module further comprises:
one end of the charging contactor is connected with the positive electrode of the output end of the charger, and the other end of the charging contactor is connected with the positive electrode of the output end of the battery module;
and the shunt is respectively connected with the negative electrode of the output end of the charger, the negative electrode of the output end of the battery module and the negative electrode of the load piece.
Preferably, the high voltage distribution circuit of the analog BMS further includes: and the battery management module is respectively connected with the pre-charging contactor, the pre-charging resistor, the main contactor, the charging contactor and the current divider, and is used for monitoring and managing the high-voltage power distribution circuit of the simulation BMS.
Preferably, the high voltage distribution circuit of the analog BMS further includes:
and one end of the battery acquisition module is connected with the battery module, and the other end of the battery acquisition module is connected with the battery management module.
Preferably, the high voltage distribution circuit of the analog BMS further includes:
an adjustment control connected to the load member.
Preferably, the high voltage distribution circuit of the analog BMS further includes:
and the analog controller is connected with the battery management module.
The utility model also provides an automobile practical training platform, which comprises a box body and a high-voltage distribution circuit of the simulated BMS;
the high-voltage distribution circuit of the analog BMS is arranged in the box body.
Preferably, the real platform of instructing of car still includes display device, display device install in on the box, and with the battery management module electric connection of the high voltage distribution circuit of simulation BMS.
The utility model discloses technical scheme is through the pre-charge contactor and the pre-charge resistance series connection of simulation high voltage distribution module, the pre-charge resistance with a common end of pre-charge contactor series connection with the output anodal of battery module is connected, the pre-charge resistance with another common end of pre-charge contactor series connection with the anodal connection of load piece can reduce the operating voltage of major loop, and the control logic that can realize the high voltage distribution circuit of simulation BMS again is the same with the control logic of car real car, takes place the high-voltage electricity and strikes when avoiding putting through the high voltage major loop, increases the high voltage distribution circuit's of simulation BMS security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is the circuit schematic diagram of the high voltage distribution circuit of the analog BMS.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
51 | Pre-charging |
| 2 | |
52 | |
| 3 | |
53 | Pre-charging |
| 4 | |
54 | |
| 55 | Charging contactor |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the utility model provides a high voltage distribution circuit of simulation BMS, the high voltage distribution circuit of simulation BMS includes battery module 3, simulation high voltage distribution module and carrier 2:
the simulation high-voltage distribution module comprises a pre-charging contactor 51 and a pre-charging resistor 53, the pre-charging resistor 53 is connected with the pre-charging contactor 51 in series, the pre-charging resistor 53 is connected with a common end of the pre-charging contactor 51 in series and connected with the positive electrode of the output end of the battery module, the pre-charging resistor 53 is connected with the other common end of the pre-charging contactor 51 in series and connected with the positive electrode of the load part 2, wherein the pre-charging contactor 51 is used for buffering the impact caused by the overlarge instantaneous voltage difference of discharging on the load, the load part 2 comprises a resistive load, and the resistive load consumes the electric energy in the high-voltage distribution circuit of the simulation BMS through the operation of the resistive load.
Because a large amount of capacitive loads exist at the input end of the controller of the load part 2, if the high-voltage main loop is directly connected, high-voltage electric shock can be generated, the breakdown phenomenon is easy to occur, and the leakage risk is generated, so that in order to avoid the high-voltage electric shock when the high-voltage main loop is connected, the high-voltage distribution circuit needs to be precharged in a precharging loop mode, wherein the precharging loop is connected with a precharging resistor 53 in series through a precharging contactor 51; working principle of the precharge contactor 51: when the coil in the pre-charging contactor 51 is powered on, the coil current can generate a magnetic field, the generated magnetic field enables the static iron core in the pre-charging contactor 51 to generate electromagnetic attraction to attract the movable iron core in the pre-charging contactor 51 and drive the pre-charging contactor 51 to act, the normally closed contact in the pre-charging contactor 51 is opened, the normally open contact in the pre-charging contactor 51 is closed, the two are linked, when the coil in the pre-charging contactor 51 is powered off, the electromagnetic attraction disappears, the armature in the pre-charging contactor 51 is released under the action of the release spring to enable the contact to be restored, the normally open contact in the pre-charging contactor 51 is opened, the normally closed contact in the pre-charging contactor 51 is closed, the pre-charging contactor 51 effectively protects a circuit, and the situation that the pre-charging resistor 53 is damaged due to the fact that the charging current is possibly too; the pre-charging resistor 53 plays a role in limiting current, and limits the magnitude of pre-charging current in the pre-charging process, so as to avoid the damage to the load member 2 caused by large charging current generated by instant short circuit when the high-voltage main circuit is connected.
The pre-charging resistor 53 is connected in series with the pre-charging contactor 51, a common end of the pre-charging resistor 53 connected in series with the pre-charging contactor 51 is connected with the positive electrode of the output end of the battery module, and the other common end of the pre-charging resistor 53 connected in series with the pre-charging contactor 51 is connected with the positive electrode of the load part 2.
The load member 2 can be a low-power electric appliance, a low-power resistive load and/or a low-power inductive load, and consumes the electric energy in the high-voltage distribution circuit of the analog BMS through the operation of the resistive load.
The battery module 3 releases electric energy and transmits the electric energy to the load member 2 through the pre-charging contactor 51 so as to consume the electric energy for the load operation of the load member 2, wherein the pre-charging contactor 51 is connected with a pre-charging resistor 53 in series, and the pre-charging resistor 53 limits the current flowing through the pre-charging contactor 51.
The utility model discloses technical scheme is through simulation high voltage distribution module's pre-charge contactor 51 and pre-charge resistance 53 series connection, pre-charge resistance 53 with a common end of pre-charge contactor 51 series connection with the output anodal of battery module is connected, pre-charge resistance 53 with another common end of pre-charge contactor 51 series connection with load member 2 anodal is connected, can reduce the operating voltage of major loop, and the control logic that can realize the high voltage distribution circuit of simulation BMS again is the same with the control logic of car real car, takes place the high-voltage impact when avoiding putting through the high voltage major loop, increases simulation BMS's high voltage distribution circuit's security.
Further, the high voltage distribution circuit of the analog BMS further includes: and the output end of the charger 4 is connected with the simulation high-voltage power distribution module.
The input end of the charger 4 is connected with a mains supply, the charger 4 outputs a direct current DC voltage by inputting a 220V alternating current voltage, and supplies the direct current DC voltage to the battery module for charging through the simulation high-voltage power distribution module, and the charger 4 has current and voltage detection and communication functions, and also has over-temperature protection, short-circuit protection, reverse connection protection and overvoltage and overcurrent protection; and (3) over-temperature protection: when the operating temperature of the charger 4 is higher than 45 ℃, the over-temperature protection is started, when the operating temperature of the charger 4 is higher than 80 ℃, the charger 4 is shut down, and when the operating temperature of the charger 4 is lower than 65 ℃, the charger 4 automatically recovers; reverse connection protection: when the output end of the charger 4 is reversely connected, the charger 4 is not started, and the charger 4 automatically recovers after the fault is relieved.
Further, the analog high voltage power distribution module further comprises: and one end of the main contactor 52 is connected with the other end of the pre-charging resistor 53, and the other end of the main contactor 52 is connected with the positive electrode of the load 2.
The main contactor 52 is used for quickly switching off and switching on a discharge circuit, the main contactor 52 is connected in parallel with the pre-charging resistor 53 and the pre-charging contactor 51 in series, and the pre-charging contactor 51 effectively protects the circuit to prevent that the charging current is possibly too large at the moment of directly switching on the high-voltage circuit, and the load is possibly damaged due to the fact that the instantaneous current is too large.
Further, the analog high voltage power distribution module further comprises: one end of the charging contactor 55 is connected with the positive electrode of the output end of the charger 4, and the other end of the charging contactor 55 is connected with the positive electrode of the output end of the battery module; and the shunt 54 is connected with the negative electrode of the output end of the charger 4, the negative electrode of the output end of the battery module and the negative electrode of the load 2 respectively.
The charging contactor 55 is used for rapidly switching off and switching on a circuit between the charger 4 and the battery module 3, wherein one end of the charging contactor 55 is connected with the positive electrode of the output end of the charger 4, the other end of the charging contactor 55 is connected with the positive electrode of the output end of the battery module, the charger 4 outputs 220V alternating current voltage to direct current DC voltage, and the direct current DC voltage is supplied to the battery module for charging through the charging contactor 55.
The shunt 54 is used for measuring dc current, and the shunt 54 is a resistor with a small resistance, so that when dc current flows, a voltage drop is generated, so that a user can test the circuit current.
Further, the high voltage distribution circuit of the analog BMS further includes: and a battery management module 1, wherein the battery management module 1 is respectively connected to the pre-charging contactor 51, the pre-charging resistor 53, the main contactor 52, the charging contactor 55 and the shunt 54, and the battery management module 1 is configured to monitor and manage a high-voltage power distribution circuit of the analog BMS.
The battery management module 1 is a link between a battery and a user, mainly aims at a secondary battery, and mainly aims at improving the utilization rate of the battery and preventing the battery from being overcharged and overdischarged; the battery management module 1 mainly has the functions of total voltage monitoring, total current monitoring, battery remaining capacity calculation, charge and discharge management, contactor control, power control, battery abnormal state alarm and protection, leakage alarm, collision protection, self-checking, communication and the like.
The battery management module 1 includes a battery manager connected to the precharge contactor 51, the precharge resistor 53, the main contactor 52, the charging contactor 55, and the shunt 54, respectively, the battery management module 1 monitors the voltage, the current, and the power of the precharge contactor 51, the precharge resistor 53, the main contactor 52, the charging contactor 55, and the shunt 54, and the battery manager is used to monitor and manage the high-voltage power distribution circuit of the analog BMS.
Further, the high voltage distribution circuit of the analog BMS further includes: and one end of the battery acquisition module is connected with the battery module 3, and the other end of the battery acquisition module is connected with the battery management module 1.
The battery acquisition module acquires data of the working state of the battery and transmits the acquired data to the battery manager through the CAN line, and the main functions of the battery acquisition module include voltage sampling, temperature sampling, battery equalization, sampling line abnormity detection and the like.
Further, the high voltage distribution circuit of the analog BMS further includes: an adjustment control connected to the load 2.
The adjusting controller controls the work of the load part 2, wherein the adjusting controller comprises an acceleration control button, a stop control button and a deceleration control button; the acceleration control button increases the operating power of the load 2, so that the load 2 operates faster; the deceleration control button decelerates the operating power of the load 2 so that the load 2 slows down; the stop control button opens the circuit to the load 2 to stop the load 2.
Further, the high voltage distribution circuit of the analog BMS further includes: and the analog controller is connected with the battery management module 1. According to the data monitored by the battery management module 1, a user can adjust and control the running power and the voltage of the high-voltage distribution circuit of the analog BMS through the analog controller, so that the control logic of the high-voltage distribution circuit of the analog BMS is the same as that of the real automobile, and the learning efficiency is improved.
Based on foretell embodiment, the embodiment of the utility model also provides a real platform of instructing of car.
In one embodiment, as shown in fig. 1, the practical training platform for an automobile includes a box and the high-voltage power distribution circuit of the analog BMS of the above embodiment, wherein the high-voltage power distribution circuit of the analog BMS is installed in the box. The high voltage distribution circuit of the analog BMS includes a battery module 3, an analog high voltage distribution module, and a carrier 2.
Further, real standard platform of car still includes display device, and display device installs on the box, and display device and simulation BMS's high voltage distribution circuit's battery management module 1 electric connection. The display device can be used for displaying each component of the automobile high-voltage distribution circuit connected with the battery management module 1, for example, the states or the adjustment processes of the battery module 3, the simulation high-voltage distribution module and the load member 2, and can also be used for displaying the working states of the load member 2 (the load member 2 can comprise a fan device and a water pump device) and the like, which is not repeated herein.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a high voltage distribution circuit of simulation BMS which characterized in that, the high voltage distribution circuit of simulation BMS includes battery module, simulation high voltage distribution module and load:
the simulation high voltage distribution module includes pre-charge contactor and pre-charge resistance, pre-charge resistance with pre-charge contactor series connection, pre-charge resistance with a common terminal of pre-charge contactor series connection with battery module's output is anodal to be connected, pre-charge resistance with another common terminal of pre-charge contactor series connection with the anodal connection of load spare, wherein, pre-charge contactor is used for buffering the discharge transient voltage pressure difference and too big leads to the fact the impact to the load, the load spare includes resistive load, through resistive load operation consumption electric energy in the high voltage distribution circuit of simulation BMS.
2. The high voltage power distribution circuit of the analog BMS of claim 1, further comprising:
and the output end of the charger is connected with the simulation high-voltage power distribution module.
3. The high voltage power distribution circuit of the analog BMS of claim 2, wherein the analog high voltage power distribution module further comprises:
and one end of the main contactor is connected with the other end of the pre-charging resistor, and the other end of the main contactor is connected with the anode of the load part.
4. The high voltage power distribution circuit of the analog BMS of claim 3, wherein the analog high voltage power distribution module further comprises:
one end of the charging contactor is connected with the positive electrode of the output end of the charger, and the other end of the charging contactor is connected with the positive electrode of the output end of the battery module;
and the shunt is respectively connected with the negative electrode of the output end of the charger, the negative electrode of the output end of the battery module and the negative electrode of the load piece.
5. The high voltage power distribution circuit of the analog BMS of claim 4, further comprising: and the battery management module is respectively connected with the pre-charging contactor, the pre-charging resistor, the main contactor, the charging contactor and the current divider, and is used for monitoring and managing the high-voltage power distribution circuit of the simulation BMS.
6. The high voltage power distribution circuit of the analog BMS of claim 1, further comprising:
and one end of the battery acquisition module is connected with the battery module, and the other end of the battery acquisition module is connected with the battery management module.
7. The high voltage power distribution circuit of the analog BMS of claim 1, further comprising:
an adjustment control connected to the load member.
8. The high voltage power distribution circuit of the analog BMS of claim 5, further comprising:
and the analog controller is connected with the battery management module.
9. An automobile practical training platform, which is characterized by comprising a box body and a high-voltage distribution circuit of the simulated BMS according to any one of claims 1 to 8;
the high-voltage distribution circuit of the analog BMS is arranged in the box body.
10. The practical training platform for automobiles according to claim 9, further comprising a display device mounted on the box and electrically connected to the battery management module of the high voltage power distribution circuit of the analog BMS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797375.3U CN211124622U (en) | 2019-05-29 | 2019-05-29 | Automobile training platform and BMS simulation high-voltage power distribution circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797375.3U CN211124622U (en) | 2019-05-29 | 2019-05-29 | Automobile training platform and BMS simulation high-voltage power distribution circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211124622U true CN211124622U (en) | 2020-07-28 |
Family
ID=71699186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920797375.3U Active CN211124622U (en) | 2019-05-29 | 2019-05-29 | Automobile training platform and BMS simulation high-voltage power distribution circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211124622U (en) |
-
2019
- 2019-05-29 CN CN201920797375.3U patent/CN211124622U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9925933B2 (en) | Pre-charge quick key cycling protection | |
| US9859751B2 (en) | Switchable uninterruptible power supply system and battery charging method thereof | |
| CN105137336A (en) | Diagnostic circuit and diagnostic method for detecting electric vehicle high-voltage relay fault | |
| CN203854586U (en) | Control circuit for high-voltage power-on/off judging adhesion state of relay of electric vehicle | |
| CN105656122A (en) | DC-DC converter for new-energy vehicles | |
| CN105262159B (en) | Charge and discharge control super capacitance management device and its system with mouth | |
| CN205753523U (en) | Energy storage battery pack charging and discharging control and detection device | |
| CN202435097U (en) | Novel AC/DC charging post | |
| CN205381155U (en) | Power battery management system of electric automobile | |
| CN112968503A (en) | Multi-cluster parallel energy storage system applied to high-voltage direct-current equipment | |
| CN202384445U (en) | Storage battery device | |
| CN209675960U (en) | A kind of preliminary filling protective device | |
| CN111216556A (en) | Low-voltage power storage unit charging control method and system and unmanned vehicle | |
| CN212967804U (en) | Retired power battery management system | |
| CN211124622U (en) | Automobile training platform and BMS simulation high-voltage power distribution circuit thereof | |
| CN206023278U (en) | A kind of power supply management system for lithium battery pack with change-over switch defencive function | |
| CN107181397A (en) | A kind of remaining capacity eliminates circuit, distribution box and electric automobile | |
| CN205736980U (en) | A kind of high-voltage battery charging system safety protection control circuit | |
| CN209257888U (en) | Battery charger and system | |
| CN207339307U (en) | Equipment for electric vehicle static detection | |
| CN110505971A (en) | Electric control system | |
| CN214278378U (en) | Remote control system for checking capacity of storage battery of communication power supply | |
| CN110535202B (en) | Intelligent charging and discharging control system and control method for lithium battery | |
| CN211893100U (en) | High-voltage circuit of electric automobile | |
| CN104037878B (en) | Accumulator battery and protective separation device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |