CN-224203741-U - Self-adaptive near-electricity voice alarm and safety helmet

CN224203741UCN 224203741 UCN224203741 UCN 224203741UCN-224203741-U

Abstract

The utility model provides a self-adaptive near-electricity voice alarm and a safety helmet, wherein the alarm comprises a main control module, a near-electricity alarm module and a self-adaptive voltage detection channel selection module, the main control module and the self-adaptive voltage detection channel selection module are respectively and electrically connected with the near-electricity alarm module, the main control module is electrically connected with the self-adaptive voltage detection channel selection module, the self-adaptive voltage detection channel selection module comprises a detection matching circuit, a plurality of voltage detection circuits and a gating control circuit, one end of the detection matching circuit is electrically connected with the near-electricity alarm module, the other end of the detection matching circuit is electrically connected with the plurality of voltage detection circuits, and the plurality of voltage detection circuits are respectively and electrically connected with the gating control circuit. According to the technical scheme, various voltage levels can be adaptively detected, and the alarm threshold value is automatically and accurately adjusted according to the electric field intensity monitored in real time, so that effective early warning of a multi-stage voltage environment is realized.

Inventors

WANG LINWEN
LI JIAN

Assignees

上海光弘智创电子有限公司

Dates

Publication Date: 20260505
Application Date: 20250416

Claims (10)

1. The self-adaptive near-electricity voice alarm is characterized by comprising a main control module, a near-electricity alarm module, a self-adaptive voltage detection channel selection module and an audio power amplifier, wherein the main control module and the self-adaptive voltage detection channel selection module are respectively and electrically connected with the near-electricity alarm module, and the main control module is connected with the self-adaptive voltage detection channel selection module and the audio power amplifier; The self-adaptive voltage detection channel selection module comprises a detection matching circuit, a plurality of voltage detection circuits and a gating control circuit, wherein one end of the detection matching circuit is electrically connected with the near-electricity alarm module, the other end of the detection matching circuit is electrically connected with the plurality of voltage detection circuits, and the plurality of voltage detection circuits are respectively electrically connected with the gating control circuit; the gating control circuit is electrically connected with the main control module and acquires the setting information of the current voltage detection circuit; The near-electricity alarm module comprises a near-electricity induction chip and an alarm prompt unit, and is used for monitoring near-electricity conditions and giving an alarm, wherein the near-electricity induction chip is electrically connected with the voltage induction antenna and the alarm prompt unit, and the near-electricity induction chip is communicated with the main control module.
2. The adaptive near-electrical voice alarm of claim 1, wherein the plurality of voltage detection circuits comprises 220KV detection circuits, 110KV detection circuits, 10KV detection circuits, 35KV detection circuits, and 220V detection circuits.
3. The adaptive near-electric voice alarm according to claim 2, wherein the detection matching circuit comprises a diode ANT201, a diode TV201 and a multi-voltage detection circuit resistor parallel circuit, the multi-voltage detection circuit resistor parallel circuit comprises a series of resistors corresponding to the voltage level of each voltage detection circuit, the multi-voltage detection circuit resistor parallel circuit is electrically connected with the TIN end of a near-electric induction chip U201, the TIN end of the near-electric induction chip U201 is respectively electrically connected with the diode ANT201 and the diode TV201, the diode TV201 is grounded, and the TIN end of the near-electric induction chip U201 is grounded through a capacitor C203; The VREF end of the near-electric induction chip U201 is connected with one end of the multi-voltage detection circuit resistor parallel circuit and grounded through a capacitor C201 for reference comparison to judge whether an induction electric field exists or not, and the other end of the multi-voltage detection circuit resistor parallel circuit is electrically connected with the near-electric alarm module.
4. The adaptive near-electric voice alarm of claim 3, wherein one end of the TIN end of the near-electric induction chip U201 is electrically connected with a resistor R214, and the other end of the resistor R214 is connected with one end of the parallel circuit of the multi-voltage detection circuit resistor and is grounded through a resistor R226; The end OSC2 of the near-electric induction chip U201 is connected to a capacitor X201 and a capacitor C209, the capacitor C209 is grounded, and the capacitor X201 is electrically connected to the end OSC1 and then to the capacitor C207 to be grounded; The VREFO end of the near-electric induction chip U201 is electrically connected with the VREF end of the near-electric induction chip U201 through a resistor R202.
5. The adaptive near-electric voice alarm of claim 4, wherein the multi-voltage detection circuit resistor parallel circuit comprises resistors R205, R231, R232, R233, R234 and R202, and the resistances of the resistors R205, R231, R232, R233, R234 and R202 are respectively 62KΩ, 330KΩ, 430KΩ, 820KΩ and 910KΩ.
6. The adaptive near-electric voice alarm according to claim 5, wherein the gating control circuit corresponding to the 220V detection circuit comprises a triode Q201, a resistor R229 and a resistor 207, wherein the base stage of the triode Q201 is connected with the resistor R229 and is grounded through the resistor 207, and the emitter of the triode Q201 is grounded; the gating control circuit corresponding to the 10KV detection circuit comprises a triode Q202, a resistor R206 and a resistor 203, wherein the base stage of the triode Q202 is connected with the resistor R206 and is grounded through the resistor 203, and the emitter of the triode Q202 is grounded; The gating control circuit corresponding to the 35KV detection circuit comprises a triode Q204, a resistor R208 and a resistor 204, wherein the base stage of the triode Q204 is connected with the resistor R208 and is grounded through the resistor 204, and the emitter of the triode Q204 is grounded; The gating control circuit corresponding to the 110KV detection circuit comprises a triode Q206, a resistor R201 and a resistor 209, wherein the base stage of the triode Q206 is connected with the resistor R201 and is grounded through the resistor 208, and the emitter of the triode Q206 is grounded; The gating control circuit corresponding to the 220KV detection circuit comprises a triode Q207, a resistor R227 and a resistor 210, wherein the base stage of the triode Q207 is connected with the resistor R227 and is grounded through the resistor 210, and the emitter of the triode Q207 is grounded; The base electrodes of the triode Q201, the triode Q202, the triode Q204, the triode Q206 and the triode Q207 are electrically connected with the main control module through a resistor R229, a resistor R206, a resistor R208, a resistor R201 and a resistor R227.
7. The adaptive near-electric voice alarm according to claim 5, wherein the voltage detection circuits comprise a resistor R224, a resistor R225 and a capacitor C206, one end of the resistor R224 is electrically connected with the OUT end of the near-electric sensing chip U201, the other end of the resistor R224 is connected with a parallel circuit of the resistor R225 and the capacitor C206, the other end of the parallel circuit of the resistor R225 and the capacitor C206 is grounded, and a signal led OUT from the other end of the resistor R224 is connected to a GPIO8_IR_MOVE_PWM end of the main control module.
8. The self-adaptive near-electric voice alarm device according to any one of claims 1 to 7, wherein the self-adaptive near-electric voice alarm device comprises a Beidou module, an acceleration sensor, a proximity sensor, a communication module and a power supply, wherein the Beidou module, the acceleration sensor, the proximity sensor, the communication module and the power supply are electrically connected with a main control module, the communication module comprises a 4G antenna, a SIM card and a 4G communication unit, and the communication module is electrically connected with the main control module.
9. The adaptive near-electric voice alarm of claim 8, wherein the adaptive near-electric voice alarm comprises a microphone and a speaker, the speaker is connected with an audio power amplifier, and the microphone is connected with a main control module.
10. An adaptive near-electricity voice alarm safety helmet is characterized by comprising the adaptive near-electricity voice alarm according to any one of claims 1-9.

Description

Self-adaptive near-electricity voice alarm and safety helmet Technical Field The utility model relates to the technical field of near-electricity alarms, in particular to a self-adaptive near-electricity voice alarm and a safety helmet. Background In modern society, electric power has become a key foundation for supporting operation in various fields, and huge and complex electric power systems are widely distributed in urban and rural areas. From high-voltage transmission lines which are continuous in thousands of hours to various precise electrical equipment and power facilities for staring and playing. During the whole process of power production, transmission, distribution and use, the workers inevitably need frequent access and even direct operation of the live equipment. For example, when an electric power maintainer patrols and examines and maintains a high-voltage transmission line, the electric power maintainer is often required to operate in an environment close to a live wire, and in the process of installing and debugging equipment such as a power distribution cabinet, an electric equipment installer is also always at risk of touching a live part by mistake. Because the electric power has the characteristics of intangible and unobstructive, once the staff is negligent or has misoperation, electric shock accidents are very easy to occur, so that serious personal injury is caused, and even tragedy of death of the staff is caused. The statistics data of related safety accidents show that in accidents in the power industry and related fields, the ratio of electric shock accidents is considerable, which brings intolerable pains to countless individuals and families and also brings great loss to society. To effectively cope with the serious challenge, the life safety of electric power operators is ensured, and a near-electricity warning technology is generated. When electric power operation personnel carry nearly electric alarm and get into electrified region or climbing area electric tower, the alarm can in time send continuous audible alarm signal, effectively reminds the operation personnel to vigilant potential danger to greatly reduce the electric shock casualties incidence that leads to because of illusion or error. However, current commercial near-electric alarms generally have limitations. The voltage levels of different live areas are different, most of the existing near-electricity alarms need to manually switch the voltage gear by means of a mechanical dial switch or a touch key, the operation process is complex and inconvenient, incorrect operation is very easy to be caused by negligence in actual operation, and especially incorrect operation is very easy to be caused under the scenes of climbing towers, high-altitude operation and the like, so that the requirements of high-efficiency and accurate guarantee of operation safety cannot be met. Disclosure of utility model Aiming at the technical problems, the utility model discloses a self-adaptive near-electricity voice alarm and a safety helmet, which are used for adaptively detecting various voltage levels, automatically adjusting an alarm threshold according to the electric field intensity and realizing early warning under a multi-level voltage environment. In this regard, the technical scheme of the utility model is as follows: The self-adaptive near-electricity voice alarm comprises a main control module, a near-electricity alarm module, a self-adaptive voltage detection channel selection module and an audio power amplifier, wherein the main control module and the self-adaptive voltage detection channel selection module are respectively and electrically connected with the near-electricity alarm module, and the main control module is connected with the self-adaptive voltage detection channel selection module and the audio power amplifier; The self-adaptive voltage detection channel selection module comprises a detection matching circuit, a plurality of voltage detection circuits and a gating control circuit, wherein one end of the detection matching circuit is electrically connected with the near-electricity alarm module, the other end of the detection matching circuit is electrically connected with the plurality of voltage detection circuits, and the plurality of voltage detection circuits are respectively electrically connected with the gating control circuit; the gating control circuit is electrically connected with the main control module and acquires the setting information of the current voltage detection circuit; The near-electricity alarm module comprises a near-electricity induction chip and an alarm prompt unit, and is used for monitoring near-electricity conditions and giving an alarm, wherein the near-electricity induction chip is electrically connected with the voltage induction antenna and the alarm prompt unit, and the near-electricity induction chip is communicated with the main control module. By adopting the technical s