CN219668228U

CN219668228U - Overtemperature wireless alarm device of magnetic levitation train power supply equipment

Info

Publication number: CN219668228U
Application number: CN202223595294.6U
Authority: CN
Inventors: 王帅杰; 高鹏飞; 靳雷波; 曹志浩; 赵淑芹; 王友前; 陈凯
Original assignee: Qingdao CRRC Electrical Equipment Co Ltd
Current assignee: Qingdao CRRC Electrical Equipment Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-09-12
Anticipated expiration: 2032-12-30

Abstract

The utility model provides an overtemperature wireless alarm device of power supply equipment of a maglev train, belongs to the technical field of rail transit, and solves the technical problem that the temperature fault identification efficiency of power supply pickup equipment of the maglev high-speed train is low in the prior art. The utility model comprises a temperature sensor, a temperature detection unit, a monitoring unit and an alarm unit; the temperature sensor is arranged inside the device and used for acquiring the temperature of the power supply equipment; the temperature detection unit is connected with the temperature sensor and used for detecting whether the temperature exceeds a preset value; the monitoring unit is connected with the temperature detection unit and used for displaying the result of temperature detection by the temperature detection unit; and the alarm unit is connected with the monitoring unit and used for giving an alarm according to the detection result of the temperature detection unit.

Description

Overtemperature wireless alarm device of magnetic levitation train power supply equipment

Technical Field

The utility model relates to the technical field of rail transit, in particular to an overtemperature wireless alarm device of power supply equipment of a maglev train.

Background

At present, the highest test running speed of the domestic high-speed magnetic levitation train reaches 503km/h, and the highest actual running speed can reach 430km/h. With the lapse of time and the technological innovation research and development, a higher-speed magnetic levitation train with the speed of more than 600km/h can appear, and the high-speed magnetic levitation train is used as an advanced transportation means, and has good application prospect in the future along with the continuous optimization and construction of the technology and the reduction of the operation cost.

Meanwhile, in the running process of a part of areas, some problems of the current magnetic levitation train are fed back, for example, in the aspect of vehicle power supply, the temperature of electromagnetic induction power supply equipment cannot be monitored in real time, and on-board personnel cannot know the occurrence of overtemperature in time, so that certain potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide an overtemperature wireless alarm device of power supply equipment of a maglev train, which solves the technical problem of low temperature fault identification efficiency of the power supply equipment of the maglev high-speed train in the prior art.

The utility model provides an overtemperature wireless alarm device of a magnetic levitation train power supply device, which comprises: the device comprises a temperature sensor, a temperature detection unit, a monitoring unit and an alarm unit;

the temperature sensor is arranged inside the device and used for acquiring the temperature of the power supply equipment;

the temperature detection unit is connected with the temperature sensor and used for detecting whether the temperature exceeds a preset value;

the monitoring unit is connected with the temperature detection unit and used for displaying the result of temperature detection by the temperature detection unit;

and the alarm unit is connected with the monitoring unit and used for giving an alarm according to the detection result of the temperature detection unit.

Further, the temperature detection unit comprises a first wireless data module and a processor;

the first wireless data module is arranged inside the temperature detection unit and is used for receiving data of the temperature sensor;

the processor is connected with the first wireless data module and used for processing the data received by the first wireless data module and detecting whether the temperature exceeds a preset value.

Further, the alarm unit comprises a second wireless data module, an indicator light, a dial switch and an audible and visual alarm module;

the second wireless data module is arranged inside the alarm unit and is used for receiving the data of the temperature detection unit;

the indicator lamp is arranged on the surface of the alarm unit and used for displaying the power supply state and the running state of the alarm unit;

the audible and visual alarm module is arranged in the alarm unit and used for giving an alarm;

the dial switch is arranged on the surface of the alarm unit and used for interrupting the buzzing alarm of the audible and visual alarm module.

Further, the audible and visual alarm module comprises a buzzer and an alarm indicator lamp;

the buzzer is arranged in the alarm unit and used for performing buzzer alarm;

the alarm indicator lamp is arranged on the surface of the alarm unit and used for carrying out lamplight alarm.

Further, the temperature sensor is arranged between two layers of coils of the power supply device.

According to the overtemperature wireless alarm device applied to the magnetic levitation high-speed train power supply equipment, provided by the utility model, the temperature data of the temperature sensor is obtained through the temperature detection unit and compared with the preset data, the corresponding processing mode is selected according to the comparison result, and when the overtemperature occurs to the power supply equipment, the audible and visual alarm can be carried out in the vehicle cab through the device, so that the situation that the overtemperature cannot be known in time when the power supply equipment supplies power and the overtemperature occurs is avoided, and the early identification and response to faults are facilitated, so that the efficiency of the overtemperature fault identification reaction is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a block diagram of an overtemperature wireless alarm device of a power supply device of a maglev train, which is provided by an embodiment of the utility model;

FIG. 2 is a block diagram of a temperature detecting unit according to an embodiment of the present utility model;

FIG. 3 is a block diagram of an alarm unit according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a monitoring unit according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of an alarm unit according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of an electronic device according to an embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms "comprising" and "having" and any variations thereof, as used in the embodiments of the present utility model, are intended to cover non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, the overtemperature wireless alarm device of the power supply equipment of the maglev train provided by the utility model comprises: the device comprises a temperature sensor, a temperature detection unit, a monitoring unit and an alarm unit;

The temperature detection unit comprises a first wireless data module and a processor;

The alarm unit comprises a second wireless data module, an indicator light, a dial switch and an audible and visual alarm module;

The first wireless data module and the second wireless data module in the utility model can avoid fault interference in the process of transmitting data by a line through wireless communication, and improve the reliability of data transmission.

The dial switch can be manually disconnected when the buzzer alarms, and is prevented from being in the buzzer alarm state all the time.

The audible and visual alarm module comprises a buzzer and an alarm indicator lamp;

the buzzer is arranged in the alarm unit and used for performing buzzer alarm;

The multiple indicator lamps are arranged in the utility model, and the power supply state and the running state of the equipment can be judged according to the lighting condition of each indicator lamp, so that whether the equipment has faults in the running process is more obviously displayed.

The temperature sensor is arranged between two layers of coils of the power supply equipment.

The temperature sensors are arranged between two layers of coils of the power supply equipment, can directly detect the temperature of the coils in the electromagnetic induction power supply process of the magnetic levitation high-speed train, and transmit a plurality of temperatures to the temperature detection unit, so that the temperature detection efficiency is improved.

The utility model also provides a detection method of the overtemperature wireless alarm device applied to the magnetic levitation high-speed train power supply equipment, which comprises the following steps:

s1: the temperature sensor detects the temperature of the power supply device and transmits the temperature to the temperature detection unit.

S2: the temperature detection unit compares the acquired temperature with a preset temperature.

S2-1: and if the device operates normally and the temperature does not exceed the preset temperature, transmitting temperature data to the monitoring unit.

S2-2-1: if the device normally operates and the temperature exceeds the preset temperature, temperature data are transmitted to the monitoring unit, and the monitoring unit gives out a lamplight alarm by the alarm indicator lamp.

S2-2-2: the monitoring unit transmits the temperature data to the alarm unit, the alarm unit gives out an alarm indicating lamp and the buzzer gives out a buzzing alarm.

In the case of example 1,

11 temperature sensors are arranged between two coils of a circuit of the magnetic levitation high-speed train power supply equipment.

As shown in fig. 2 to 5, the temperature detection unit supports 12 paths of DC5V/4-20mA signal acquisition, and is in data communication with the alarm unit through the first wireless data module.

The alarm unit adopts a UART transmitter, a GPIO port and a second wireless data module to transmit and process data.

The wireless communication networking modes of the first wireless data module and the second wireless data module in the temperature detection unit and the alarm unit use star-shaped networks, mesh networks and other network structures.

The wireless frequency band adopts free frequency band: 470-510 MHz; ISM free frequency band.

The modulation mode adopts FSK/GFSK.

The reception sensitivity was-108 dbm.

The communication rate is configurable for transmission rates of 10Kbps to 40Kbps, with a default of 40Kbps.

The antenna interface is an IPEX standard interface.

Three indicator lamps are arranged on the surface of the monitoring unit, and specifically comprise: a power indicator lamp 1, an operation indicator lamp 2 and an alarm indicator lamp 3.

The power indicator lamp 1 lights up to indicate that the monitoring unit is powered normally.

The running indicator light 2 blinks to indicate that the device is running normally; the running indicator lamp 2 is turned off to indicate that the apparatus is running abnormally.

The alarm indicator lamp 3 is extinguished to indicate that the temperature of the power supply equipment of the magnetic levitation high-speed train is normal; the alarm indicator lamp 3 is normally on, and the temperature of the power supply equipment of the magnetic levitation high-speed train exceeds a preset value.

The surface of the alarm unit is provided with three indicator lamps and a dial switch, wherein the three indicator lamps are a power indicator lamp 4, an operation indicator lamp 5 and an alarm indicator lamp 6.

The power indicator lamp 4 is lighted to provide normal power for the alarm unit.

The running light 5 blinks indicating that the device is running properly and communicating properly with the monitoring unit; the extinction of the operation indicator lamp 5 indicates any one of an abnormality in the operation of the apparatus or an abnormality in communication with the monitoring unit.

The alarm indicator lamp 6 is extinguished to indicate that the temperature of the power supply equipment of the magnetic levitation high-speed train is normal; the alarm indicator lamp is normally on, and the temperature of the power supply equipment of the magnetic levitation high-speed train exceeds a preset value.

When the power supply equipment of the magnetic levitation high-speed train is overtemperature, the buzzer is driven to sound, and the dial switch 7 can disconnect the buzzer to stop buzzing alarm.

The step S1 specifically comprises the following steps: each temperature sensor detects the temperature of the power supply device and transmits the temperature to the temperature detection unit.

The step S2 specifically comprises the following steps: the temperature detection unit compares each acquired temperature value with a preset temperature.

S2-1: if the temperature values do not exceed the preset temperature, the monitoring unit operation indicator lamp is normally on, and the normal operation of the equipment is indicated. The monitoring unit alarms to indicate that the lamp is not on, and the temperature of the equipment is normal. The monitoring unit transmits temperature data to the alarm unit, and the alarm unit operation indicator lamp is normally on to indicate that the overtemperature wireless alarm device is normal in operation. The alarm unit alarms the state that the indicator lamp is not on, and the temperature of the equipment is normal.

S2-2-1: if any temperature value in the temperature values exceeds a preset temperature value, the monitoring unit gives an alarm and indicates that the lamp is on.

S2-2-2: the monitoring unit transmits the temperature data to the alarm unit, and an alarm indicator lamp of the alarm unit is lightened and buzzes and alarms through the buzzer.

At this time, the buzzer alarm can be turned off by manual work on the dial switch.

The embodiment of the utility model has the following technical effects:

1. in the embodiment, the high-performance processor is adopted by the alarm unit, so that the audible and visual alarm and the wireless data communication module are supported, and reliable data communication is performed through the antenna. The processor receives and analyzes the communication data of the monitoring unit through the wireless module.

2. The wireless communication in this embodiment is free from interference of line faults.

3. In the implementation, when the power supply equipment supplies power to generate overtemperature, the overtemperature can not be known by the personnel on the vehicle in time.

4. In the embodiment, the early recognition and response to the faults can be embodied so as to further improve the efficiency of the over-temperature fault recognition reaction.

5. The implementation can effectively improve the safety of magnetic levitation power supply application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 6, an electronic device 800 according to an embodiment of the present utility model includes a memory 801 and a processor 802, where a computer program capable of running on the processor is stored in the memory, and the processor implements the steps of the method provided in the foregoing embodiment when executing the computer program.

As shown in fig. 6, the electronic device further includes: a bus 803 and a communication interface 804, the processor 802, the communication interface 804, and the memory 801 being connected by the bus 803; the processor 802 is configured to execute executable modules, such as computer programs, stored in the memory 801.

The memory 801 may include a high-speed random access memory (Random Access Memory, simply referred to as RAM), and may further include a non-volatile memory (non-volatile memory), such as at least one magnetic disk memory. Communication connection between the system network element and at least one other network element is achieved through at least one communication interface 804 (which may be wired or wireless), and the internet, wide area network, local network, metropolitan area network, etc. may be used.

Bus 803 may be an ISA bus, a PCI bus, an EISA bus, or the like. The buses may be classified as address buses, data buses, control buses, etc. For ease of illustration, only one bi-directional arrow is shown in FIG. 6, but not only one bus or type of bus.

The memory 801 is configured to store a program, and the processor 802 executes the program after receiving an execution instruction, and a method executed by the apparatus for defining a process according to any of the foregoing embodiments of the present utility model may be applied to the processor 802, or implemented by the processor 802.

The processor 802 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the methods described above may be performed by integrated logic circuitry in hardware or instructions in software in the processor 802. The processor 802 may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (Network Processor, NP for short), etc.; but may also be a digital signal processor (Digital Signal Processing, DSP for short), application specific integrated circuit (Application Specific Integrated Circuit, ASIC for short), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA for short), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present utility model may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present utility model may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in the memory 801 and the processor 802 reads the information in the memory 801 and in combination with its hardware performs the steps of the above method.

Corresponding to the above method, embodiments of the present utility model also provide a computer readable storage medium storing machine executable instructions which, when invoked and executed by a processor, cause the processor to perform the steps of the above method.

The device provided by the embodiment of the utility model can be specific hardware on the equipment or software or firmware installed on the equipment. The device provided by the embodiment of the present utility model has the same implementation principle and technical effects as those of the foregoing method embodiment, and for the sake of brevity, reference may be made to the corresponding content in the foregoing method embodiment where the device embodiment is not mentioned. It will be clear to those skilled in the art that, for convenience and brevity, the specific operation of the system, apparatus and unit described above may refer to the corresponding process in the above method embodiment, which is not described in detail herein.

In the several embodiments provided in the present utility model, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, of the flowcharts and block diagrams in the figures that illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present utility model. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

As another example, the division of the units is merely a logical function division, and there may be another division manner when actually implemented, and for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present utility model may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present utility model. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit of the corresponding technical solutions. Are intended to be encompassed within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The overtemperature wireless alarm device of the magnetic levitation train power supply equipment is characterized by comprising a temperature sensor, a temperature detection unit, a monitoring unit and an alarm unit;

2. The apparatus of claim 1, wherein the temperature detection unit comprises a first wireless data module, a processor;

3. The device of claim 2, wherein the alarm unit comprises a second wireless data module, an indicator light, a dial switch, and an audible and visual alarm module;

4. A device according to claim 3, wherein the audible and visual alarm module comprises a buzzer and an alarm indicator light;

the buzzer is arranged in the alarm unit and used for performing buzzer alarm;

5. The apparatus of claim 1, wherein the temperature sensor is disposed between two layers of coils of a power supply device.