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CN-224217144-U - Electrical equipment abnormality alarm device

CN224217144UCN 224217144 UCN224217144 UCN 224217144UCN-224217144-U

Abstract

The utility model discloses an electrical equipment abnormality alarm device which solves the problems of incomplete detection, untimely response and insufficient reliability of the existing device. The utility model relates to an electrical equipment abnormality alarm device which comprises a shell, a multi-mode sensor array and a mechanical linkage assembly, wherein parameters of temperature, vibration and gas concentration of the electrical equipment are monitored in real time through the multi-mode sensor array, the abnormality detection accuracy and comprehensiveness are improved, the mechanical linkage assembly is combined with a multi-level threshold comparison circuit, the rapid transmission and the comprehensive judgment of abnormal signals are realized, the response is rapid, the anti-interference capability is strong, the stable work under a complex environment is ensured, an auxiliary installation structure comprises a flywheel energy storage assembly and a manual reset rocker, the spare power and the manual operation means are provided, the maintainability and the reliability of the device are improved, the alarm can be monitored comprehensively, rapidly and reliably, and the safe operation of the electrical equipment is ensured.

Inventors

  • ZHANG YIBIN
  • CHU XINYI

Assignees

  • 山东雅杰智能科技有限公司

Dates

Publication Date
20260508
Application Date
20250508

Claims (7)

  1. 1. The electrical equipment abnormality alarm device comprises a shell (101) and is characterized in that a self-cleaning air duct (101 a) is arranged on the outer surface of the shell (101), an electrostatic dust collection net (101 b) is installed at an air duct inlet, a centrifugal fan (101 c) is connected at an outlet, a sensor cabin (102) is arranged on the left side inside the shell (101), an alarm cabin (104) is arranged on the right side, a mechanical linkage cabin (103) is arranged between the sensor cabin and the sensor cabin, a multi-mode sensor array (201) is annularly distributed on the inner wall of the sensor cabin (102), the multi-mode sensor array (201) is connected with the shell (101) through an elastic fixing support (202), a mechanical linkage assembly (701) is arranged inside the mechanical linkage cabin (103), one end of an axial lever (301 a) is in contact with the multi-mode sensor array (201), the other end of the axial lever (301 a) extends to the alarm cabin (104), a multi-level threshold comparison circuit (401) is fixed on the side wall of the mechanical linkage cabin (103), an alarm executing mechanism (501) is arranged inside the alarm cabin (104), and an auxiliary installation structure (601) and a main power supply module (501) are arranged inside the shell (101).
  2. 2. The abnormality warning device for electrical equipment according to claim 1, wherein said multi-modal sensor array (201) is composed of a temperature sensor (201 a), a vibration sensor (201 b) and a gas concentration sensor (201 c), said multi-modal sensor array (201) is annularly distributed on the inner wall of the sensor compartment (102) and is connected to the housing (101) by an elastic fixing bracket (202).
  3. 3. The abnormity alarm device of the electrical equipment according to claim 1, wherein the mechanical linkage assembly (301) comprises an axial lever (301 a), a radial trigger rod (301 b) and a reset spring (301 c), one end of the axial lever (301 a) is in physical contact with the multi-mode sensor array (201), the other end of the axial lever extends into the alarm cabin (104), the axial lever (301 a) of the mechanical linkage assembly (301) comprises a three-section hinge structure, an eccentric balancing weight (301 d) is arranged in the middle section of the axial lever, the tail end of the radial trigger rod (301 b) is provided with a conical magnetic suction head (301 e), and the radial trigger rod is magnetically coupled with a temperature control metal sheet (401 a) of the multi-level threshold comparison circuit (401) to realize trigger response, so that abnormal signals are transmitted to the alarm executing mechanism.
  4. 4. The abnormality alarm device for electrical equipment according to claim 1, wherein the multi-level threshold comparison circuit (401) comprises a control chip, the control chip is connected with a first threshold comparison circuit and a second threshold comparison circuit, the output ends of the first threshold comparison circuit and the second threshold comparison circuit are connected with a driving circuit, the driving circuit drives a transistor circuit to work, the side walls of the multi-level threshold comparison circuit (401) (103) comprise temperature control metal sheets (401 a), vibration reeds (401 b) and gas conducting tubes (401 c) which are connected in parallel, the temperature control metal sheets, the vibration reeds (401 b) and the gas conducting tubes are respectively and mechanically connected with corresponding sensors, comprehensive judgment and grading alarm of various abnormal states of the electrical equipment are achieved through threshold comparison of different sensor signals, the first threshold comparison circuit is voltage threshold comparison, and the second threshold comparison circuit is current threshold comparison.
  5. 5. The abnormality warning device for electrical equipment according to claim 1, wherein the warning executing mechanism (501) comprises an audible and visual warning device (501 a), a linkage gear set (501 b) and an emergency power-off pull rod (501 c), the linkage gear set (501 b) is meshed with the mechanical linkage assembly (301) through a multi-stage transmission shaft (502), the linkage gear set (501 b) comprises an asymmetric bevel gear (501 d) and a ratchet mechanism (501 e), the tooth pitch of the gears is designed according to the frequency response curve of the audible and visual warning device (501 a), and the ratchet mechanism (501 e) is connected with the emergency power-off pull rod (501 c) through a magnetic clutch, so that emergency power-off operation can be started quickly and reliably when an abnormal situation occurs.
  6. 6. The abnormality warning device for electrical equipment according to claim 1, wherein the auxiliary mounting structure (601) comprises an independently powered flywheel energy storage component (601 a) and a manual reset rocker (601 b), the flywheel energy storage component (601 a) is connected with the linkage gear set (501 b) through belt transmission, the manual reset rocker (601 b) penetrates through the side wall of the shell (101) and is in physical contact with the radial trigger lever (301 b), and when the device needs to be reset, a worker manually rotates the reset rocker to drive the radial trigger lever and related mechanical linkage components to act, so that the initial state of the device is restored, the manual reset operation is carried out when necessary, and maintainability and reliability of the device are improved.
  7. 7. The abnormal alarm device for electrical equipment according to claim 1, wherein the main power module (701) adopts a rechargeable lithium battery pack, has rated voltage of 12V and capacity of 5000mAh, has multiple protection functions of overcharge, overdischarge and short circuit, ensures the safety and reliability of battery use, is provided with an electric quantity monitoring circuit, monitors the electric quantity of the battery in real time, transmits electric quantity information to a control unit in an alarm cabin, and automatically triggers an audible and visual alarm to send out a low electric quantity alarm signal when the electric quantity is lower than 20%, so as to remind workers to timely charge or replace the battery, thereby ensuring the normal operation of the device.

Description

Electrical equipment abnormality alarm device Technical Field The utility model relates to the field of safety monitoring of electrical equipment, in particular to an abnormality alarm device of electrical equipment. Background The electrical equipment abnormality alarm device has wide application range, collects various operation data of the electrical equipment, and transmits the data to a monitoring system or a control center in a wired or wireless communication mode, so that a user is helped to realize real-time monitoring and management of the operation state of the electrical equipment. Through the device, a user can remotely monitor the operation condition of the electrical equipment, and when the electrical equipment has faults or abnormal conditions, the user can timely execute emergency measures and problem handling measures, such as emergency power failure and fault investigation, through the device. In general, the electrical equipment abnormality warning device has many advantages, however, the existing electrical equipment abnormality warning device also has some disadvantages and drawbacks, including the following aspects: 1. The detection is incomplete, and in the parameter monitoring link, the existing device can only monitor a single parameter or a few parameters, so that the actual running state of the electrical equipment cannot be comprehensively and accurately reflected. 2. The response is not timely, the signal processing and transmission speed of part of the devices are slow, and the response can not be quickly made at the moment of abnormality occurrence, so that the timeliness of emergency treatment is affected. 3. The reliability is insufficient, and some devices are easy to report by mistake, miss report or fault under complex electromagnetic environment or severe working condition, so that normal work is affected, and the user trust level is reduced. In summary, the key links of monitoring accuracy, response speed and reliability of the electrical equipment abnormality alarm device still need to be improved, continuous optimization technology is needed, monitoring comprehensiveness is improved, and alarm response timeliness and system reliability are improved. Disclosure of utility model The utility model aims to overcome the defects of the conventional electrical equipment abnormality alarm device in terms of detection comprehensiveness, response speed and reliability, and provides the electrical equipment abnormality alarm device with multi-mode monitoring and mechanical linkage alarm. In order to achieve the technical effects, the utility model adopts the following technical scheme: An electrical equipment abnormality alarm device comprises a shell, wherein a self-cleaning air duct is arranged on the outer surface of the shell, an electrostatic dust collection net is arranged at an air duct inlet, a centrifugal fan is connected at an outlet, a sensor cabin is arranged on the left side inside the shell, an alarm cabin is arranged on the right side inside the shell, a mechanical linkage cabin is arranged between the sensor cabin and the electrostatic dust collection net, a multi-mode sensor array is annularly distributed on the inner wall of the sensor cabin and connected with the shell through an elastic fixing support, a mechanical linkage assembly is arranged inside the mechanical linkage cabin, one end of an axial lever is in contact with the multi-mode sensor array, the other end of the axial lever extends to the alarm cabin, a multi-level threshold comparison circuit is fixed on the side wall of the mechanical linkage cabin, an alarm executing mechanism is arranged inside the alarm cabin, and an auxiliary installation structure and a main power supply module are arranged inside the shell. As a further description of the above technical solution: the multi-mode sensor array consists of a temperature sensor, a vibration sensor and a gas concentration sensor, is annularly distributed on the inner wall of the sensor cabin and is connected with the shell through an elastic fixing bracket. As a further description of the above technical solution: The mechanical linkage assembly comprises an axial lever, a radial trigger rod and a return spring, wherein one end of the axial lever is in physical contact with the multi-mode sensor array, the other end of the axial lever extends into the alarm cabin, the axial lever of the mechanical linkage assembly comprises a three-section hinge structure, an eccentric balancing weight is arranged in the middle section of the axial lever, the tail end of the radial trigger rod is a conical magnetic suction head, and the radial trigger rod is magnetically coupled with a temperature control metal sheet of the multi-level threshold comparison circuit to realize trigger response and ensure that an abnormal signal is transmitted to the alarm executing mechanism. As a further description of the above technical solution: The multi-level threshold compa