CN211088441U - Nickel-chromium storage battery safety detection device for rail transit vehicle and rail transit vehicle - Google Patents
Nickel-chromium storage battery safety detection device for rail transit vehicle and rail transit vehicle Download PDFInfo
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- CN211088441U CN211088441U CN201922474145.6U CN201922474145U CN211088441U CN 211088441 U CN211088441 U CN 211088441U CN 201922474145 U CN201922474145 U CN 201922474145U CN 211088441 U CN211088441 U CN 211088441U
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- rail transit
- liquid level
- nickel
- control chip
- storage battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to a nickel-chromium battery safety inspection equipment and rail transit vehicle for rail transit vehicle, safety inspection equipment include control chip and respectively with liquid level detection unit, temperature sensor, voltage current detecting element, display element and the remote management terminal that control chip connects, liquid level detection unit is infrared liquid level detection unit, control chip loops through RS485 communication mouth and MCU acquisition chip and connects liquid level detection unit and temperature sensor respectively, the remote management terminal passes through wireless network and is connected with control chip, control chip obtains the real-time capacity of nickel-chromium battery according to liquid level detection unit, temperature sensor and voltage current detecting element's collection result, will collection result and real-time capacity transmit to display element and remote management terminal. Compared with the prior art, the utility model has the advantages of simple to operate, detect in real time.
Description
Technical Field
The utility model belongs to the technical field of the electronic technology and specifically relates to a nickel-chromium battery safety inspection equipment and rail transit vehicle for rail transit vehicle are related to.
Background
At present, nickel-chromium (Ni-Cd) storage batteries are arranged on rail transit vehicles and used for starting control and emergency of the vehicles to provide power for direct current loads of the whole vehicles, and the functional state of the storage batteries is related to whether trains can run safely. In the running process of the vehicle, the charging and discharging processes can exist in real time, but the current vehicle does not implement real-time safety monitoring equipment for the use process of the Ni-Cd storage battery, and the battery overheating brings great risk, so that great hidden danger can be caused to the running of the vehicle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that above-mentioned prior art exists and provide a nickel-chromium battery safety inspection equipment and rail transit vehicle for rail transit vehicle of simple structure, reliability.
The purpose of the utility model can be realized through the following technical scheme:
A nickel-chromium storage battery safety detection device for rail transit vehicles comprises a control chip, a liquid level detection unit, a temperature sensor, a voltage and current detection unit, a display unit and a remote management terminal which are respectively connected with the control chip,
The liquid level detection unit is an infrared liquid level detection unit,
The control chip is respectively connected with the liquid level detection unit and the temperature sensor through the RS485 communication port and the MCU acquisition chip,
And the remote management terminal is connected with the control chip through a wireless network.
Further, the liquid level detection unit includes that the multiunit corresponds the liquid level detection subassembly of the different liquid level height of nickel-chromium battery, and each liquid level detection subassembly all includes main infrared transceiver sensor and supplementary infrared transceiver sensor.
Further, the voltage and current detection unit comprises a voltage sensor, a current sensor and an analog-to-digital converter, and the analog-to-digital converter is respectively connected with the voltage sensor, the current sensor and the control chip.
Furthermore, the analog-to-digital converter is also connected with an ultrasonic sensor.
further, the control chip is connected with a remote management terminal through a 4G or W L AN network.
Further, the display unit comprises a voltage display area, a current display area, a charge-discharge state display area and a system capacity display area.
Further, the control chip is connected with a loudspeaker.
Further, the control chip is connected with the remote management terminal through a maintenance Ethernet or a train control network.
Further, the control chip adopts a chip taking a Cortex-A53/Cortex-M4 processor as a core.
The utility model also provides a rail transit vehicle, include rail transit vehicle nickel-chromium battery safety inspection equipment for the vehicle.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. The utility model discloses to nickel-chromium battery design safety inspection equipment, can acquire information such as battery liquid level, temperature and capacity in real time, information acquisition is comprehensive, but the reliable detection of real-time battery running state improves rail transit train's operation security.
2. The utility model discloses simple structure, convenient to use.
3. The utility model discloses liquid level detection adopts non-contact mode to detect, has greatly made things convenient for the use of group battery, can adapt to old battery upgrading, and new storage battery installation etc. does not influence other circuits and service modes.
4. The utility model discloses can adopt the bus mode to realize the wiring, the site operation is simple.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the data acquisition and display circuit of the present invention;
FIG. 3 is a schematic view of the liquid level detecting unit according to the present invention;
FIG. 4 is a schematic view of a display unit according to the present invention;
Fig. 5 is a schematic view of the working process of the present invention;
Fig. 6 is the schematic view of the liquid level detection process of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-2, this embodiment provides a nickel-chromium battery safety inspection equipment for rail transit vehicle, including control chip 1 and the liquid level detection unit 2 who is connected with control chip 1 respectively, temperature sensor 3, voltage current detection unit 4, display element 5 and remote management terminal 6, liquid level detection unit 2 is infrared liquid level detection unit, control chip 1 loops through RS485 communication mouth and MCU acquisition chip and connects liquid level detection unit 2 and temperature sensor 3 respectively, remote management terminal 6 is connected with control chip 1 through wireless network, control chip 1 obtains the real-time capacity of nickel-chromium battery according to liquid level detection unit 2, the acquisition result of temperature sensor 3 and voltage current detection unit 4, transmit acquisition result and real-time capacity to display element 5 and remote management terminal 6. The detection equipment can detect the temperature and the liquid level of the storage battery and the current and the voltage of charging and discharging through the front end, acquire the state of the storage battery in real time and ensure the use safety of the storage battery.
the control chip 1 adopts a CPU which takes a Cortex-A53/Cortex-M4 processor as a core, has the functions of storage, calculation, hour hand, USB and the like, and has interfaces comprising UART, Ethernet, GPIO, 4G/W L AN, RS485 and the like.
the control chip 1 is connected with the remote management terminal 6 through a 4G or W L AN network, and is connected with the remote management terminal 6 through a maintenance Ethernet or a train control network.
The liquid level detection unit 2 and the temperature sensor 3 are connected to each single battery cell.
As shown in FIG. 3, the liquid level detection unit 2 comprises a plurality of groups of liquid level detection assemblies corresponding to different liquid level heights of the nickel-chromium storage battery, and each liquid level detection assembly comprises a main infrared transceiving sensor and an auxiliary infrared transceiving sensor. The main infrared transceiving sensor and the auxiliary infrared transceiving sensor are provided with a certain position deviation so as to reduce the measurement error caused by the material of the storage battery and improve the reliability of liquid level detection.
The infrared transmitting and receiving sensor comprises an infrared light emitting diode and a photoelectric receiver, and light emitted by the light emitting diode is guided into the storage battery. If there is no electrolyte liquid, the light emitted by the light emitting diode is reflected directly from the container wall back to the receiver, and when the electrolyte level exceeds the detection sensor, the light is refracted into the liquid, so that the receiver cannot receive or can receive only a small amount of light.
As shown in fig. 6, the liquid level detection process includes:
1) Starting, initializing and self-checking the equipment;
2) The main infrared receiving and transmitting sensor works and sends and receives infrared signals;
3) Judging whether to trigger the transmission of the liquid level signal according to the received infrared light intensity, if so, executing the liquid level signal, and if not, executing the step 4);
4) The auxiliary infrared transceiving sensor works and sends and receives infrared signals;
5) And judging whether to trigger the transmission of the liquid level signal according to the received infrared light intensity, and if so, executing the liquid level signal.
The voltage and current detection unit 4 comprises a voltage sensor, a current sensor and an analog-to-digital converter ADC, wherein the analog-to-digital converter ADC is respectively connected with the voltage sensor, the current sensor and the control chip 1. In this embodiment, the battery voltage is obtained through sampling resistor, sets up 4 way voltage input circuit, and in the in-service use process, 4 node voltage that can the spot check battery do the control. After the current obtains the analog voltage through the hall sensor, the current is read through the ADC and then transmitted to the control chip 1.
in the present embodiment, the display unit 5 is implemented by an 8-bit digital display tube, as shown in fig. 4, and includes a voltage display area 51, a current display area 52, a charge/discharge state display area 53, and a system capacity display area 54, and the display is intuitive.
The control chip 1 is connected with a loudspeaker to realize the audio function.
The control chip 1 is connected with a power management module 7, and the power management module 7 comprises a switch charger.
In another embodiment, the analog-to-digital converter is also connected with an ultrasonic sensor, and the control chip is also connected with another temperature sensor through an I2C interface. The ultrasonic sensor and the temperature sensor can be used for detecting the liquid level and the temperature of the storage battery on a production line.
As shown in fig. 5, the operation process of the nickel-chromium storage battery safety detection device for the rail transit vehicle is as follows:
1) after the equipment is powered on, initialization work such as UART, Ethernet, GPIO, 4G/W L AN, RS485 and the like is carried out, and then a plurality of threads are created.
2) The RS485 bus is in data communication with the CPU, if data is received, the data packet is analyzed according to a communication protocol, so that whether the data is a command or data is judged, and if the data is the data, the data is stored in a memory cache; if the control command is the control command, the semaphore is released, so that the control thread which is always in the sleep state can be operated due to the semaphore, and relevant control is realized. The control command is a liquid level query command, the CPU sends the liquid level query command, and the MCU of the liquid level board sends current liquid level data to the CPU after receiving the command.
And the CPU performs periodic voltage and current data acquisition according to the interruption of the timer.
3) And after the CPU acquires the current acquired data, the capacity of the storage battery is calculated and transmitted to a remote monitoring platform through a network protocol. Capacity calculation the ampere-hour method was used according to the charge-discharge characteristics of nickel-cadmium batteries:
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments on the basis of the prior art by the concept of the present invention should be within the protection scope determined by the present invention.
Claims (10)
1. A nickel-chromium storage battery safety detection device for rail transit vehicles is characterized by comprising a control chip (1), a liquid level detection unit (2), a temperature sensor (3), a voltage and current detection unit (4), a display unit (5) and a remote management terminal (6) which are respectively connected with the control chip (1),
The liquid level detection unit (2) is an infrared liquid level detection unit,
The control chip (1) is respectively connected with the liquid level detection unit (2) and the temperature sensor (3) through the RS485 communication port and the MCU acquisition chip in turn,
The remote management terminal (6) is connected with the control chip (1) through a wireless network.
2. The nickel-chromium storage battery safety detection device for the rail transit vehicle as claimed in claim 1, wherein the liquid level detection unit (2) comprises a plurality of groups of liquid level detection assemblies corresponding to different liquid level heights of the nickel-chromium storage battery, and each liquid level detection assembly comprises a main infrared transceiving sensor and an auxiliary infrared transceiving sensor.
3. The nickel-chromium storage battery safety detection device for the rail transit vehicle as claimed in claim 1, wherein the voltage and current detection unit (4) comprises a voltage sensor, a current sensor and an analog-to-digital converter, and the analog-to-digital converter is respectively connected with the voltage sensor, the current sensor and the control chip (1).
4. The nickel-chromium storage battery safety detection device for the rail transit vehicle as claimed in claim 3, wherein an ultrasonic sensor is further connected to the analog-to-digital converter.
5. the nickel-chromium storage battery safety detection device for the rail transit vehicle as claimed in claim 1, wherein the control chip (1) is connected with a remote management terminal (6) through a 4G or W L AN network.
6. The nickel-chromium storage battery safety detection device for rail transit vehicles according to claim 1, characterized in that the display unit (5) comprises a voltage display area (51), a current display area (52), a charge-discharge state display area (53) and a system capacity display area (54).
7. The nickel-chromium storage battery safety detection device for the rail transit vehicle as claimed in claim 1, wherein a speaker is connected to the control chip (1).
8. The nickel-chromium storage battery safety detection device for the rail transit vehicle as claimed in claim 1, wherein the control chip (1) is connected with a remote management terminal (6) through a maintenance Ethernet or a train control network.
9. The nickel-chromium storage battery safety detection device for the rail transit vehicle as claimed in claim 1, characterized in that the control chip (1) adopts a chip with a Cortex-A53/Cortex-M4 processor as a core.
10. A rail transit vehicle comprising the nickel-chromium storage battery safety inspection device for a rail transit vehicle as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474145.6U CN211088441U (en) | 2019-12-31 | 2019-12-31 | Nickel-chromium storage battery safety detection device for rail transit vehicle and rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474145.6U CN211088441U (en) | 2019-12-31 | 2019-12-31 | Nickel-chromium storage battery safety detection device for rail transit vehicle and rail transit vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088441U true CN211088441U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922474145.6U Active CN211088441U (en) | 2019-12-31 | 2019-12-31 | Nickel-chromium storage battery safety detection device for rail transit vehicle and rail transit vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211088441U (en) |
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2019
- 2019-12-31 CN CN201922474145.6U patent/CN211088441U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Safety testing equipment for Ni Cr battery for rail transit vehicles and rail transit vehicles Effective date of registration: 20210827 Granted publication date: 20200724 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: Shanghai Biaoyi modern transportation equipment Co.,Ltd. Registration number: Y2021310000056 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230720 Granted publication date: 20200724 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: Shanghai Biaoyi modern transportation equipment Co.,Ltd. Registration number: Y2021310000056 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Safety testing equipment for nickel chromium batteries used in rail transit vehicles and rail transit vehicles Effective date of registration: 20230824 Granted publication date: 20200724 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: Shanghai Biaoyi modern transportation equipment Co.,Ltd. Registration number: Y2023980053816 |