Emergency equipment
Patent Information
- Application Number
- CN202521865194.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-01
Smart Images
Figure CN224697472U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of power equipment technology, and more specifically, to an emergency device. Background Technology
[0002] The safe operation of the power grid is crucial to our daily lives and work, especially in vast areas prone to natural disasters. Frequent seismic activity, such as earthquakes causing landslides, ground subsidence, or the collapse of other buildings that damage power lines, directly impacts the normal operation of the power supply network. This poses a significant threat to the safe operation of the power grid and emergency response personnel, and presents a considerable challenge to the company's emergency work. Disaster relief is the top priority after any natural disaster. Power restoration work directly affects the progress of disaster relief, the lives of disaster victims, transportation, and even their lives. Therefore, the timely deployment of emergency equipment such as emergency generators and power restoration vehicles is of paramount importance. However, currently, emergency equipment is usually stored in warehouses for routine maintenance such as charging. Once it is in operation, it must be immediately recharged if the power is low or depleted to ensure continued use.
[0003] Therefore, there is an urgent need for an emergency device that can perform rapid charging and discharging. Summary of the Invention
[0004] To address the aforementioned technical problems, this application provides an emergency device.
[0005] A first aspect of the embodiments of this application provides an emergency device, comprising at least:
[0006] The host is equipped with a first near-field communication module;
[0007] The base is detachably connected to the host, and the base is provided with a second near-field communication module, which is matched and associated with the first near-field communication module.
[0008] A power module, electrically connected to the near-field communication module, is used to supply power to the near-field communication module;
[0009] The charging and discharging circuit is electrically connected to the power module and is used to charge the power module with constant current and constant voltage.
[0010] In one optional embodiment of this application, the charging and discharging circuit includes at least:
[0011] A constant current and constant voltage charging chip, wherein the input terminal of the constant current and constant voltage charging chip is electrically connected to the power module, and the constant current and constant voltage charging chip is used to convert the power supply of the power module into constant current and constant voltage output power;
[0012] A voltage regulator unit, the input terminal of which is electrically connected to the output terminal of the constant current and constant voltage charging chip, and the output terminal of which is electrically connected to the power module.
[0013] In one optional embodiment of this application, the voltage regulator unit includes at least:
[0014] Multiple capacitors are connected in parallel, and each capacitor is connected in parallel with the constant current and constant voltage charging chip and the power module.
[0015] In an optional embodiment of this application, the voltage regulating unit further includes:
[0016] A grounding resistor module, wherein one end of the grounding resistor module is electrically connected to the constant current and constant voltage charging chip, and the other end of the grounding resistor module is grounded;
[0017] A voltage regulator module, wherein the first terminal of the voltage regulator module is electrically connected to the power supply, the second terminal of the voltage regulator module is electrically connected to the constant current and constant voltage charging chip, and the third terminal of the voltage regulator module is electrically connected to the power supply module.
[0018] In one optional embodiment of this application, the constant current and constant voltage charging chip is an ME4057 chip.
[0019] In an optional embodiment of this application, the second near-field communication module further includes:
[0020] A level matching circuit is provided, wherein a first terminal of the level matching circuit is electrically connected to the power supply of the control circuit that sends the control signal, and a second terminal of the level matching circuit is electrically connected to the near-field communication chip. The level matching circuit is used to achieve power supply matching between the near-field communication chip and the control circuit.
[0021] In one optional embodiment of this application, the second near-field communication module includes at least:
[0022] A coil is disposed on the base, and the coil is used for mating and interconnection with the first near-field communication module;
[0023] A near-field communication chip is electrically connected to the coil, and the near-field communication chip is used to read and write data with the first near-field communication module according to the received control signal.
[0024] In an optional embodiment of this application, the second near-field communication module further includes:
[0025] A power processing circuit is provided, the input terminal of which is electrically connected to the power module. The power processing circuit is used to decouple and filter the power supply voltage of the power module.
[0026] In an optional embodiment of this application, the above-mentioned emergency equipment further includes:
[0027] A motion detection sensor is installed on the host computer to detect whether the host computer has moved.
[0028] In one optional embodiment of this application, the base is a waterproof base.
[0029] The emergency device provided in this application embodiment is equipped with a charging and discharging circuit to perform constant current and constant voltage charging for the power module, thereby achieving rapid charging of the emergency device. Furthermore, the emergency device of this application includes a first near-field module and a second near-field module, wherein the coil P5 of the second near-field communication module is matched and interconnected with the first near-field communication module. When the main unit is inserted into the base for charging, the first near-field communication module identifies the second near-field communication module; only successful identification allows for accurate insertion, preventing misinsertion, facilitating the management of the emergency device, and improving its charging efficiency. In other words, this application embodiment provides an emergency device with higher charging efficiency. Attached Figure Description
[0030] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0031] Figure 1 This is a schematic diagram of the emergency equipment structure provided in the embodiments of this application;
[0032] Figure 2 A circuit diagram of the second near-field communication module in an emergency device provided in this application embodiment;
[0033] Figure 3 This is a schematic diagram of the charging and discharging circuit in the emergency equipment provided in the embodiments of this application;
[0034] Figure 4 This is a schematic diagram of a level matching circuit in an emergency device provided in an embodiment of this application;
[0035] Figure 5 This is a schematic diagram of the Bluetooth SOC circuit structure in the emergency equipment provided in the embodiments of this application;
[0036] Figure 6 This is a circuit diagram of a motion detection sensor in an emergency device provided in an embodiment of this application.
[0037] in:
[0038] 101. Main unit; 102. Base; 103a. Near field communication chip; 106a. Level matching circuit; 105a. Power supply circuit; 107a. Crystal oscillator circuit; 600. Bluetooth SOC circuit. Detailed Implementation
[0039] In the process of developing this application, the applicant discovered that there is an urgent need for an emergency device capable of rapid charging and discharging.
[0040] To address the aforementioned problems, this application provides an emergency device. To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description of an emergency device, in conjunction with embodiments and accompanying drawings, is provided. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0041] The serial numbers assigned to components in this document, such as "first" and "second," are used solely to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages). It should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are used solely for the convenience of describing this application and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0042] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0043] Please see Figure 1 This application provides an emergency device, including at least: a host 101, a base 102, and a near field communication (NFC) module, wherein the host 101 and the base 102 are detachably connected.
[0044] The host 101 is equipped with a first near-field communication module; the first near-field communication module can be an NFC card reader module.
[0045] The base 102 is detachably connected to the host 101. The base 102 is equipped with a second near-field communication module, which is matched and associated with the first near-field communication module. During operation, the host 101 and the base 102 exchange data when they are close to each other, realizing non-contact radio frequency identification (RFID) and interconnection between the host 101 and the base 102. This ensures a one-to-one identification connection between the host 101 and the base 102, preventing mis-insertion. The base 102 can be fixed with screws using four fixing holes or with structural adhesive.
[0046] Please see Figure 2 The second near-field communication module includes at least: a coil P5, disposed on the base 102, the coil P5 being used for mating and interconnecting with the first near-field communication module;
[0047] The near-field communication chip 103a is electrically connected to the coil P5. The near-field communication chip 103a is used to read and write data with the first near-field communication module according to the received control signals. The near-field communication chip 103a can be a U15SI512 chip, which is a 12Mb (64MB) serial NOR Flash memory that uses SPI (Serial Peripheral Interface) communication. Figure 2 The U15SI512 chip includes, for example: Figure 2 It has at least 33 interfaces.
[0048] The second near-field communication module can be an NFC card, interconnected with the NFC reader module of the first near-field communication module. When the host 101 is inserted into the base 102, the NFC reader module of the first near-field communication module identifies the NFC card of the second near-field communication module. Only successful identification allows for accurate insertion, preventing misinsertion and facilitating the management of emergency equipment. The host 101 can also be equipped with various communication modules such as Bluetooth positioning, satellite positioning, Wi-Fi positioning, and base station positioning, as well as corresponding antennas, etc. These are not exhaustive and can be flexibly adjusted according to actual needs.
[0049] A power module, electrically connected to the near-field communication module, is used to supply power to the near-field communication module;
[0050] The charging and discharging circuit is electrically connected to the power module and is used to charge the power module with constant current and constant voltage.
[0051] The emergency device provided in this application embodiment is equipped with a charging and discharging circuit to perform constant current and constant voltage charging for the power module, thereby achieving rapid charging of the emergency device. Furthermore, the emergency device of this application includes a first near-field module and a second near-field module, wherein the coil P5 of the second near-field communication module is matched and interconnected with the first near-field communication module. When the host 101 is inserted into the base 102 for charging, the first near-field communication module identifies the second near-field communication module. Only successful identification allows for accurate insertion, preventing misinsertion and facilitating the management of the emergency device, thereby improving the charging efficiency of the emergency device. In other words, this application embodiment provides an emergency device with higher charging efficiency.
[0052] In one optional embodiment of this application, the satellite positioning module includes at least: a data collection and prediction module, a correction and optimization module, a modeling and denoising module, and a broadcast detection module, wherein:
[0053] The collection and prediction module is used to collect the initial signal set, obtain the optimal mode, calculate the prediction residual statistics, screen to obtain the verification optimal mode, calculate the resultant acceleration and dynamic feature weights, construct an LSTM model, predict dynamic forces, obtain the correction force vector by combining Newtonian mechanics, define the nonlinear state transition function, initialize the particle swarm, obtain the predicted state, and optimize the predicted state by combining the observation likelihood and prior distribution to obtain the preliminary fused state.
[0054] The correction and optimization module is used to correct the pseudorange based on the calculated signal propagation center of the verified optimal mode, obtain the optimized dynamic feature weights, calculate the state acceleration based on the preliminary fusion state, combine it with the correction force vector to obtain the equivalent mass, update the observation likelihood, and output the final fusion state.
[0055] The modeling and denoising module is used to generate residual sequences based on prediction residual statistics, initialize optimal AR model parameters, update them using the RLS update formula, output optimal parameters, obtain a state-space model through transformation, and denoise them using Kalman filtering to obtain a denoised residual sequence.
[0056] The detection and broadcasting module is used to calculate pseudorange innovation based on the final fusion state and signal propagation center, update the innovation covariance matrix, calculate the anomaly detection threshold based on the updated observation likelihood, mark the anomaly state, construct the autocorrelation function based on the denoised residual sequence, calculate the predicted positioning error, calculate the multi-channel weighting factor based on the updated observation likelihood, obtain the positioning frequency by combining the anomaly state, and splice the data into a positioning data packet by combining the final fusion state for broadcasting.
[0057] The initialization of the particle swarm to obtain the predicted state includes: calculating the prediction residual statistics based on the optimal mode, filtering and outputting the optimal mode for verification, calculating the resultant acceleration and dynamic feature weights, and normalizing the corresponding data to obtain normalized data; using an LSTM model to predict the dynamic force, and using Newtonian mechanics for constraints to obtain a correction force vector; defining a nonlinear state transition function based on the correction force vector and dynamic feature weights, combined with Newton's second law, initializing the particle swarm, using the nonlinear state transition function to predict the particle state to obtain the predicted state, and updating the dynamic feature weights based on a Gaussian error model.
[0058] The optimization of the predicted state by combining observation likelihood and prior distribution to output the final fused state includes: optimizing the predicted state based on two-layer optimization, combining observation likelihood and prior distribution; obtaining the preliminary fused state by weighted averaging and combining updated dynamic feature weights; initializing the signal propagation center; calculating the pseudorange bias; correcting the pseudorange by combining the prediction residual statistic and pseudorange bias; updating the updated dynamic feature weights; and outputting the optimized dynamic feature weights. Based on the preliminary fused state, calculating the state acceleration; calculating the equivalent mass by combining the correction force vector and state acceleration through linear least squares; updating the particle observation likelihood; updating the optimized dynamic feature weights; recalculating the particle state; and outputting the final fused state.
[0059] The step of denoising by Kalman filtering to obtain a denoised residual sequence includes: initializing a time series window based on the predicted residual statistics and splicing them to generate a residual sequence to obtain an optimal AR model; transforming the optimal AR model to obtain a state-space model; and combining the residual sequence with Kalman filtering to denoise the data to obtain a denoised residual sequence.
[0060] The step of calculating multi-channel weighting factors based on updated observation likelihood and obtaining the positioning frequency by combining abnormal states includes: calculating anomaly detection threshold based on updated observation likelihood, screening and marking abnormal states, constructing an autocorrelation function using autocorrelation envelope maximum entropy spectrum analysis based on denoised residual sequences, calculating predicted positioning error, calculating multi-channel weighting factors based on final dynamic feature weights and updated observation likelihood, obtaining updated final dynamic feature weights based on multiplication of multi-channel weighting factors and final dynamic feature weights, and calculating positioning frequency.
[0061] The process of splicing the data into location data packets and broadcasting it includes: splicing the data into location data packets based on the final fusion state and the location frequency, and transmitting them using the verification optimal mode.
[0062] The process of collecting an initial signal set and obtaining the optimal mode includes: using a smart positioning terminal to collect multi-mode data, generating an initial signal set, calculating a comprehensive quality score in the initial signal set, and selecting and setting the optimal mode.
[0063] Please see Figure 3 In one optional embodiment of this application, the charging and discharging circuit includes at least: a constant current and constant voltage charging chip and a voltage regulator unit, wherein:
[0064] The input terminal of the constant current and constant voltage charging chip is electrically connected to the power module. The constant current and constant voltage charging chip is used to convert the power supply of the power module into constant current and constant voltage output power. The constant current and constant voltage charging chip is an ME4057 chip. The ME4057 chip is a typical linear charging chip that supports a charging current of 500mA. An external resistor is required to set the current. It supports 1A charging with low power consumption and integrates temperature protection.
[0065] The input terminal of the voltage regulator unit is electrically connected to the output terminal of the constant current and constant voltage charging chip, and the output terminal of the voltage regulator unit is electrically connected to the power supply module. In this embodiment, the constant current and constant voltage charging chip converts the power supply from the power supply module into a constant current and constant voltage output to ensure the stable operation of the near-field communication chip 103a.
[0066] Please continue reading Figure 3 In one optional embodiment of this application, the voltage regulating unit includes at least: a plurality of capacitors and a grounding resistor module connected in parallel, wherein:
[0067] Multiple capacitors connected in parallel, for example Figure 3 The capacitors C3, C4, and C17 are connected in parallel with each other, and are also connected in parallel with the constant current and constant voltage charging chip and the power module.
[0068] The first terminal of the grounding resistor module is electrically connected to the constant current / constant voltage charging chip, and the other terminal of the grounding resistor module is grounded. The first terminal of the voltage-stabilizing resistor module is electrically connected to the power supply, the second terminal of the voltage-stabilizing resistor module is electrically connected to the constant current / constant voltage charging chip, and the third terminal of the voltage-stabilizing resistor module is electrically connected to the power supply module. The grounding resistor module can be composed of, for example,... Figure 3 The grounding resistor module is composed of resistors R7, R9, and R10. Figure 3 The grounding resistor R8 in the middle is composed of...
[0069] Please continue reading Figure 2 In an optional embodiment of this application, the second near-field communication module further includes:
[0070] The power processing circuit 105a has its input terminal electrically connected to the power module and is used to decouple and filter the power supply voltage of the power module.
[0071] The input terminal of the power processing circuit 105a is electrically connected to the power supply, and the output terminal of the power processing circuit 105a is connected to the near-field communication chip 103aU15SI512 chip. The power processing circuit 105a is used to decouple and filter the supply voltage of the power supply. This power processing module includes at least a decoupling circuit and a filtering circuit. Figure 2 As shown, the power processing circuit 105a is composed of C5, C6 and R58 connected in parallel.
[0072] Please continue reading Figure 2 In an optional embodiment of this application, the second near-field communication module further includes: a level matching circuit 106a, wherein:
[0073] The first terminal of the level matching circuit 106a is electrically connected to the power supply of the control circuit that sends the control signal, and the second terminal of the level matching circuit 106a is electrically connected to the near-field communication chip 103a. The level matching circuit 106a is used to achieve power supply matching between the near-field communication chip 103a and the control circuit.
[0074] like Figure 4 As shown, three exemplary level matching circuits 106a are illustrated. The first terminal of each level matching circuit 106a is electrically connected to the power supply of the control circuit that sends the control signal. The second terminal of each level matching circuit 106a is electrically connected to the power supply pin of the near-field communication chip 103a (U15SI512). The level matching circuit 106a is used to achieve power supply matching between the near-field communication chip 103a and the control circuit. In this embodiment, the near-field communication chip 103a and the control circuit use the same power supply. However, since the operating voltages of the control circuit and the near-field communication chip 103a are different (typically 1.8V for the control circuit and 3.3V for the near-field communication chip 103a), this embodiment uses level matching circuits 106a to perform level conversion on the power supply of the control circuit, simplifying the circuit and providing normal power to the near-field communication chip 103a. In an optional embodiment of this application, if a power processing circuit 105a is introduced, then a level matching circuit 106a is located below the power processing circuit 105a. That is, the input terminal of the level matching circuit 106a is electrically connected to the output terminal of the power processing circuit 105a, and the output terminal of the level matching circuit 106a is electrically connected to the near-field communication chip 103a.
[0075] In one optional embodiment of this application, the control circuit is a Bluetooth SOC circuit 600. For example... Figure 5 Here is an example of a Bluetooth SOC circuit 600, which serves as the control circuit for an emergency device, i.e., as the main control chip for the emergency device. The Bluetooth SOC circuit 600 can be implemented using an NRF52840 SOC chip, which, in addition to having the functions of an MCU (Microcontroller Unit, a microcomputer system integrating a CPU, memory, and peripheral interfaces), also integrates Bluetooth functionality. It has a high degree of integration and can save PCB board space.
[0076] Please continue reading Figure 2 In an optional embodiment of this application, the second near-field communication module further includes: a crystal oscillator circuit 107a, wherein:
[0077] The first terminal of the crystal oscillator circuit 107a is electrically connected to the near-field communication chip 103a, and the second terminal of the crystal oscillator circuit 107a is grounded, providing a driving force for the near-field communication chip 103a and ensuring its normal operation. This crystal oscillator circuit 107a can, for example, be composed of... Figure 2 It consists of R57, Y2, C4 and C7.
[0078] In one optional embodiment of this application, the base 102 is a waterproof charging base 102 to prevent malfunctions during severe weather or floods, which could delay the normal use of emergency equipment and improve the operational stability of the emergency equipment.
[0079] Please see Figure 2 In an optional embodiment of this application, the second near-field communication module further includes: a signal matching circuit 104a, wherein:
[0080] like Figure 2 As shown, the input terminal of the signal matching circuit 104a is electrically connected to the signal output terminals TX1 and TX2 of the near-field communication chip 103a, and the output terminal of the signal matching circuit 104a is electrically connected to the coil P5. The signal matching circuit 104a is used to convert the signal output by the near-field communication chip 103a into a target frequency signal.
[0081] In one optional embodiment of this application, the signal matching circuit 104a has at least two paths. The inputs of the two paths of the signal matching circuit 104a are electrically connected to the signal output terminals of the near-field communication chip 103a, and the output terminals of the two paths of the signal matching circuit 104a are electrically connected to the two ends of the coil P5, port 1 and port 2, respectively.
[0082] In one optional embodiment of this application, the signal matching circuit 104a includes at least one set of LC oscillation circuits. For example... Figure 2 The first signal matching circuit 104a consists of L12, C14, C83, C81, C91, and R64. The device parameters of each component are as follows: Figure 2 As shown in the figure; the second signal matching circuit 104a is composed of L13, C16, C90, C82, C92 and R65, and the device parameters of each component are as follows. Figure 2 As shown in the image.
[0083] Please see Figure 6 In an optional embodiment of this application, the above-mentioned emergency equipment further includes: a motion detection sensor, wherein:
[0084] A motion detection sensor, installed on the host unit 101, is used to detect whether the host unit 101 moves, thereby determining the operating mode of the emergency equipment. Please refer to [link / reference]. Figure 6 This is a circuit diagram of an exemplary motion detection sensor, including a motion detection chip. This embodiment uses the SC7A20E chip to determine whether the emergency equipment has moved based on changes in voltage levels. The SC7A20E chip is a high-precision 12-bit digital triaxial accelerometer chip with richer built-in functions, lower power consumption, smaller size, and more accurate measurements. The chip uses I... 2 The C / SPI interface communicates with the MCU, and acceleration measurement data is acquired via interrupt or polling. The INT1 and INT2 interrupt pins provide various internally automatically detected interrupt signals to adapt to various motion detection applications. Interrupt sources include 6D / 4D direction detection interrupt signals, free fall detection interrupt signals, sleep and wake-up detection interrupt signals, and single-click and double-click detection interrupt signals. The chip incorporates a high-precision calibration module to accurately compensate for sensor offset and gain errors. Four adjustable full-range measurement ranges (±2G, ±4G, ±8G, and ±16G) allow for flexible measurement of external acceleration. The output data rate is selectable between 1Hz and 400Hz, enabling real-time detection of device vibration.
[0085] In one optional embodiment of this application, the base is a waterproof base to improve the safety performance of the emergency equipment.
[0086] It should be understood that although the steps in the flowchart are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order constraint on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the diagram may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times. The execution order of these sub-steps or stages is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the sub-steps or stages of other steps.
[0087] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0088] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.