CN214335908U - Fire monitoring system for ship power battery - Google Patents
Fire monitoring system for ship power battery Download PDFInfo
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- CN214335908U CN214335908U CN202023349589.6U CN202023349589U CN214335908U CN 214335908 U CN214335908 U CN 214335908U CN 202023349589 U CN202023349589 U CN 202023349589U CN 214335908 U CN214335908 U CN 214335908U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 54
- 239000013078 crystal Substances 0.000 claims abstract description 10
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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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 boats and ships power battery fire monitoring system, this system includes a plurality of sensors, the main control chip, storage circuit, the CAN controller, supply circuit, extend the IO mouth, high low level circuit and warning circuit, wherein, a plurality of sensors, include the temperature sensor who is connected with CAN controller electricity respectively, pressure sensor, humidity transducer, smoke transducer, flame sensor, main control circuit, respectively with storage circuit, the CAN controller, supply circuit, extend the IO mouth, high low level circuit and warning circuit electricity are connected, the CAN controller, including first chip U1, second chip U2, crystal oscillator, a plurality of electric capacity, a plurality of resistance and a plurality of connectors of sensor electricity are connected. The utility model discloses a gather the multiple sensing monitoring value in the power battery box, utilize multiple electric connection structure, realize the effective transmission of sensing monitoring value to trigger the corresponding control signal of main control chip output, make it carry out corresponding warning.
Description
Technical Field
The utility model relates to a boats and ships technical field especially relates to a boats and ships power battery fire monitoring system.
Background
In recent years, due to the influence of policies such as environmental protection and reduction of harmful gas emissions, technologies such as clean energy sources such as lithium batteries and hydrogen-oxygen fuel cells and waste heat power generation are being applied to ships, and the types of ship energy sources are gradually changing from the situation mainly of fossil energy to low-carbon energy sources. The access of various energy sources promotes the development of a ship power system towards the electrification direction, the energy sources of ships in the future are various, and the energy application form is diversified and mixed. However, current monitoring of marine batteries still stays at a battery core level, and potential safety hazards of the marine batteries cannot be ignored. In the prior art, the early warning of the marine battery is usually realized by monitoring whether the temperature of the battery reaches a warning value or not, but the method has the advantages of single information source, low accuracy, frequent occurrence of phenomena of false early warning and early warning leakage and unfavorable normal operation of a ship.
In conclusion, how to efficiently perform safety early warning on the ship power battery is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
In view of the above, a fire monitoring system for a ship power battery is needed to solve the problem of how to perform a safety early warning on the ship power battery with high efficiency in the prior art.
The utility model provides a boats and ships power battery fire monitoring system, including a plurality of sensors, main control chip, storage circuit, CAN controller, supply circuit, expansion IO mouth, high-low level circuit and warning circuit, wherein:
the sensors comprise a temperature sensor, a pressure sensor, a humidity sensor, a smoke sensor and a flame sensor which are respectively and electrically connected with the CAN controller;
the master control circuit is electrically connected with the storage circuit, the CAN controller, the power supply circuit, the expansion IO port, the high-low level circuit and the alarm circuit respectively;
the CAN controller comprises a first chip U1, a second chip U2, a crystal oscillator, a plurality of capacitors, a plurality of resistors and a plurality of connectors electrically connected with the plurality of sensors, wherein:
a first pin of the first chip U1 is electrically connected to a first pin of the second chip U2; the second pin of the first chip U1 is electrically connected to the fourth pin of the second chip U2; a seventh pin of the first chip U1 is electrically connected to the first terminal of the crystal oscillator and the first terminal of the first capacitor, respectively, and the second terminal of the first capacitor is grounded; an eighth pin of the first chip U1 is electrically connected to the second terminal of the crystal oscillator and the first terminal of a second capacitor, respectively, and the second terminal of the second capacitor is grounded; a ninth pin of the first chip U1 is grounded; the twelfth pin to the sixteenth pin of the first chip U1 are electrically connected to the first connector respectively; a seventeenth pin of the first chip U1 is electrically connected to a first end of a first resistor; an eighteenth pin of the first chip U1 is electrically connected to a power supply VCC and a second end of the first resistor, respectively;
the second pin and the eighth pin of the second chip U2 are grounded; the third pin of the second chip U2 is electrically connected to the power supply VCC, the sixth pin and the seventh pin of the second chip U2 are electrically connected to a first shunt point, and the first shunt point is electrically connected to the second connector and the fourth connector, respectively.
Further, the ship power battery fire monitoring system further comprises: and the wireless communication circuit is electrically connected with the plurality of sensors and the main control chip respectively.
Further, the ship power battery fire monitoring system further comprises: and the serial port screen is electrically connected with the CAN controller.
Further, the ship power battery fire monitoring system further comprises: and the positioning circuit is electrically connected with the main control chip.
Further, alarm circuit includes audio alert ware, audio alert ware with main control chip electricity is connected.
Further, the model of the first chip U1 is MCP2515, and the model of the second chip U2 is TJA 1050.
Compared with the prior art, the beneficial effects of the utility model include: in the ship power battery fire monitoring system, whether a lithium power battery has fire hazard and whether a fire is formed or not is judged by arranging a plurality of sensors and acquiring pressure, temperature, humidity, smoke and flame heat radiation in a power battery box body, information is timely transmitted to a main control chip by combining a CAN bus technology and a communication technology through a structure that the plurality of sensors are electrically connected with a CAN controller, and the system is combined with an electronic system network architecture of a ship to realize the modularization of the system; the method comprises the steps that a main control circuit is arranged to be respectively electrically connected with a storage circuit, a CAN controller, a power supply circuit, an expanded IO port, a high-low level circuit and an alarm circuit, so that a plurality of sensing monitoring values are received, effective signal processing is carried out, a signal processing result is output to a corresponding control signal and is transmitted to the storage circuit and the alarm circuit, fault information is pre-warned and stored, and the power supply circuit, the expanded IO port and the high-low level circuit are arranged to effectively supply power to the main control circuit and carry out signal input and output; through the electric connection structure between the first chip U1 and the second chip U2 who sets up in the CAN controller, guarantee the stable input of signal, through setting up a plurality of electric capacity, a plurality of resistance in order to get rid of high frequency interference to this further makes the stable sensing signal of receiving of main control chip. To sum up, the utility model discloses a gather the multiple sensing monitoring value in the power battery box body, utilize multiple electric connection structure, realize the effective transmission of sensing monitoring value to trigger the corresponding control signal of main control chip output, make it carry out corresponding warning.
Drawings
Fig. 1 is a schematic structural diagram of a fire monitoring system for a ship power battery provided by the present invention;
fig. 2 is a schematic structural diagram of the CAN controller provided by the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Example 1
The embodiment of the utility model provides a boats and ships power battery fire monitoring system combines fig. 1, fig. 2 to see, and fig. 1 does the utility model provides a boats and ships power battery fire monitoring system's structure schematic diagram, fig. 2 do the utility model provides a structure schematic diagram of CAN controller, the boats and ships power battery fire monitoring system that the aforesaid provided includes a plurality of sensors, main control chip 2, storage circuit 3, CAN controller 4, supply circuit 5, extends IO mouth 6, high low level circuit 7 and warning circuit 8, wherein:
a plurality of sensors including a temperature sensor 101, a pressure sensor 102, a humidity sensor 103, a smoke sensor 104, and a flame sensor 105, which are electrically connected to the CAN controller, respectively;
the main control circuit 2 is electrically connected with the storage circuit 3, the CAN controller 4, the power supply circuit 5, the expansion IO port 6, the high-low level circuit 7 and the alarm circuit 8 respectively;
a first pin of the first chip U1 is electrically connected to a first pin of the second chip U2; the second pin of the first chip U1 is electrically connected to the fourth pin of the second chip U2; a seventh pin of the first chip U1 is electrically connected to the first terminal of the crystal oscillator and the first terminal of the first capacitor, respectively, and the second terminal of the first capacitor is grounded; the eighth pin of the first chip U1 is electrically connected to the second terminal of the crystal oscillator and the first terminal of the second capacitor, respectively, and the second terminal of the second capacitor is grounded; the ninth pin of the first chip U1 is grounded; the twelfth pin to the sixteenth pin of the first chip U1 are electrically connected to the first connector respectively; the seventeenth pin of the first chip U1 is electrically connected to the first terminal of the first resistor; an eighteenth pin of the first chip U1 is electrically connected to the power supply VCC and the second end of the first resistor, respectively;
the second pin and the eighth pin of the second chip U2 are grounded; the third pin of the second chip U2 is electrically connected to the power supply VCC, the sixth pin and the seventh pin of the second chip U2 are electrically connected to a first shunt point, and the first shunt point is electrically connected to the second connector and the fourth connector, respectively.
In the embodiment of the utility model, in the fire monitoring system of the ship power battery, by arranging a plurality of sensors, by collecting the pressure, temperature, humidity, smoke and flame heat radiation in the box body of the power battery, whether the lithium power battery has fire hazard and fire is formed or not is judged, and by the structure that the plurality of sensors are electrically connected with the CAN controller, information is timely transmitted to a main control chip by combining the CAN bus technology and the communication technology, the system is combined with the network architecture of the electronic system of the ship, and the modularization of the system is realized; the method comprises the steps that a main control circuit is arranged to be respectively electrically connected with a storage circuit, a CAN controller, a power supply circuit, an expanded IO port, a high-low level circuit and an alarm circuit, so that a plurality of sensing monitoring values are received, effective signal processing is carried out, a signal processing result is output to a corresponding control signal and is transmitted to the storage circuit and the alarm circuit, fault information is pre-warned and stored, and the power supply circuit, the expanded IO port and the high-low level circuit are arranged to effectively supply power to the main control circuit and carry out signal input and output; through the electric connection structure between the first chip U1 and the second chip U2 who sets up in the CAN controller, guarantee the stable input of signal, through setting up a plurality of electric capacity, a plurality of resistance in order to get rid of high frequency interference to this further makes the stable sensing signal of receiving of main control chip.
Preferably, the fire monitoring system for ship power battery further comprises: and the wireless communication circuit is respectively and electrically connected with the plurality of sensors and the main control chip. Therefore, the wireless communication circuit is arranged, the diversity of system communication modes is ensured, and the fault information is accurately transmitted.
Preferably, the fire monitoring system for ship power battery further comprises: and the serial port screen is electrically connected with the CAN controller. Therefore, by setting the serial port screen, the bidirectional property of CAN communication is utilized, the control signal of the main control chip is received through the CAN controller, and the display of related information is effectively triggered.
Preferably, the fire monitoring system for ship power battery further comprises: and the positioning circuit is electrically connected with the main control chip. Therefore, the positioning circuit is arranged, the positioning signal of the positioning circuit is transmitted to the main control chip, and the control of the main control chip is effectively triggered.
Preferably, the alarm circuit comprises a voice alarm, and the voice alarm is electrically connected with the main control chip. Therefore, the voice alarm is arranged to receive the control signal of the main control chip and effectively trigger the alarm.
Preferably, the first chip U1 chip model is MCP2515, and the second chip U2 chip model is TJA 1050. Therefore, the corresponding chip model is selected, and the effective operation of CAN communication is ensured.
The following concrete flow that combines explains the utility model provides a boats and ships power battery fire monitoring system's application principle, wherein: the method comprises the steps that a main control chip obtains a plurality of sensing monitoring values transmitted by a CAN controller, wherein the sensing monitoring values comprise a temperature monitoring value, a pressure monitoring value, a humidity monitoring value, a smoke monitoring value and a flame monitoring value; the main control chip judges whether the highest fault condition is met or not according to the multiple sensing monitoring values; the main control chip determines fault information if the highest fault condition is met, and judges whether the interval time between the current time and the last fault determination time exceeds a first preset time length; and if the time exceeds the first preset time, controlling to alarm according to the running state of the ship. In the embodiment of the utility model, firstly, the safety of the power battery is judged by comprehensively combining various factors through a temperature monitoring value, a pressure monitoring value, a humidity monitoring value, a smoke monitoring value and a flame monitoring value, and the accuracy is improved; then, according to a preset highest fault condition, comparing and judging by combining a plurality of sensing monitoring values; and if the highest fault condition is met, the fault is indicated, the main control chip is used for processing and judging fault information, whether the processing is performed or not is judged according to the time interval determined by the two faults, and if the processing is not performed, the alarm is continued, so that the alarm accuracy is ensured.
In the application principle, in the process of alarming by the main control chip, if the ship is in a starting state, the serial port screen is controlled to be started to display fault information, and the alarm circuit is controlled to be started to realize acousto-optic alarm; if the ship is in a berthing state, the wireless communication circuit is controlled to be started to transmit fault information to the command center, and the wireless communication circuit is accessed into a fire-fighting system of the ship to actively take measures to extinguish fire. Therefore, different alarm modes are realized by combining the starting state or the stopping state of the ship, and the requirements under different running states are met.
In the application principle, in the process of judging the fault level by the main control chip, if the highest fault condition is not met, judging whether a secondary fault condition is met according to a plurality of sensing monitoring values; if the secondary fault condition is met, determining fault information, and judging whether the interval time between the current time and the last fault determination time exceeds a second preset time length; if the time length exceeds a second preset time length, alarming is carried out according to the control of the running state of the ship; if the secondary fault condition is not met, judging whether the tertiary fault condition is met or not according to a plurality of sensing monitoring values; if the three-level fault condition is met, determining fault information, and judging whether the interval time between the current moment and the last fault determination moment exceeds a third preset time length; and if the time length exceeds a third preset time length, controlling to alarm according to the running state of the ship. Therefore, the highest fault condition, the second-level fault condition and the third-level fault condition are set, so that fault judgment is carried out, the fault grades are effectively distinguished, and corresponding coping processing is conveniently carried out by an operator.
The utility model discloses a boats and ships power battery fire monitoring system, in boats and ships power battery fire monitoring system, through setting up a plurality of sensors, through gathering power battery box internal pressure, temperature, humidity, smog, flame heat radiation, judge whether lithium power battery has the conflagration hidden danger and whether the conflagration forms, and through the structure that a plurality of sensors are connected with the CAN controller electricity, combine CAN bus technique and communication technique in time to transmit information to main control chip, combine the system with the electronic system network framework of boats and ships own, realize the modularization of system; the method comprises the steps that a main control circuit is arranged to be respectively electrically connected with a storage circuit, a CAN controller, a power supply circuit, an expanded IO port, a high-low level circuit and an alarm circuit, so that a plurality of sensing monitoring values are received, effective signal processing is carried out, a signal processing result is output to a corresponding control signal and is transmitted to the storage circuit and the alarm circuit, fault information is pre-warned and stored, and the power supply circuit, the expanded IO port and the high-low level circuit are arranged to effectively supply power to the main control circuit and carry out signal input and output; through the electric connection structure between the first chip U1 and the second chip U2 who sets up in the CAN controller, guarantee the stable input of signal, through setting up a plurality of electric capacity, a plurality of resistance in order to get rid of high frequency interference to this further makes the stable sensing signal of receiving of main control chip.
The utility model discloses technical scheme utilizes multiple electric connection structure through gathering the multiple sensing monitoring value in the power battery box, realizes the effective transmission of sensing monitoring value to trigger the corresponding control signal of main control chip output, make it carry out corresponding warning.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (6)
1. The utility model provides a boats and ships power battery fire monitoring system which characterized in that includes a plurality of sensors, main control chip, memory circuit, CAN controller, power supply circuit, extends IO mouth, high low level circuit and warning circuit, wherein:
the sensors comprise a temperature sensor, a pressure sensor, a humidity sensor, a smoke sensor and a flame sensor which are respectively and electrically connected with the CAN controller;
the master control chip is electrically connected with the storage circuit, the CAN controller, the power supply circuit, the expansion IO port, the high-low level circuit and the alarm circuit respectively;
the CAN controller comprises a first chip U1, a second chip U2, a crystal oscillator, a plurality of capacitors, a plurality of resistors and a plurality of connectors electrically connected with the plurality of sensors, wherein:
a first pin of the first chip U1 is electrically connected to a first pin of the second chip U2; the second pin of the first chip U1 is electrically connected to the fourth pin of the second chip U2; a seventh pin of the first chip U1 is electrically connected to the first terminal of the crystal oscillator and the first terminal of the first capacitor, respectively, and the second terminal of the first capacitor is grounded; an eighth pin of the first chip U1 is electrically connected to the second terminal of the crystal oscillator and the first terminal of a second capacitor, respectively, and the second terminal of the second capacitor is grounded; a ninth pin of the first chip U1 is grounded; the twelfth pin to the sixteenth pin of the first chip U1 are electrically connected to the first connector respectively; a seventeenth pin of the first chip U1 is electrically connected to a first end of a first resistor; an eighteenth pin of the first chip U1 is electrically connected to a power supply VCC and a second end of the first resistor, respectively;
the second pin and the eighth pin of the second chip U2 are grounded; the third pin of the second chip U2 is electrically connected to the power supply VCC, the sixth pin and the seventh pin of the second chip U2 are electrically connected to a first shunt point, and the first shunt point is electrically connected to the second connector and the fourth connector, respectively.
2. The marine power battery fire monitoring system of claim 1, further comprising: and the wireless communication circuit is electrically connected with the plurality of sensors and the main control chip respectively.
3. The marine power battery fire monitoring system of claim 1, further comprising: and the serial port screen is electrically connected with the CAN controller.
4. The marine power battery fire monitoring system of claim 1, further comprising: and the positioning circuit is electrically connected with the main control chip.
5. The fire monitoring system for the marine power battery according to claim 1, wherein the alarm circuit comprises a voice alarm, and the voice alarm is electrically connected with the main control chip.
6. The marine power battery fire monitoring system of claim 1, wherein the first chip U1 chip model is MCP2515 and the second chip U2 chip model is TJA 1050.
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CN202023349589.6U CN214335908U (en) | 2020-12-31 | 2020-12-31 | Fire monitoring system for ship power battery |
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CN202023349589.6U CN214335908U (en) | 2020-12-31 | 2020-12-31 | Fire monitoring system for ship power battery |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112652142A (en) * | 2020-12-31 | 2021-04-13 | 武汉理工大学 | Ship power battery fire monitoring system and method |
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CN112652142A (en) * | 2020-12-31 | 2021-04-13 | 武汉理工大学 | Ship power battery fire monitoring system and method |
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Granted publication date: 20211001 |