CN214335056U - Passive live display for railway high-voltage line - Google Patents

Abstract

The utility model discloses a passive electrified display of railway high-voltage line, concretely relates to electrical equipment field, its technical scheme is: including energy acquisition module, power amplification module, energy storage module, luminous display module, digital circuit, energy acquisition module passes through digital circuit and power amplification module electric connection, power amplification module passes through digital circuit and energy storage module electric connection, energy storage module passes through digital circuit and luminous display module electric connection, inside rectifier, the step-down converter, the collection circuit board of being equipped with of energy acquisition module, the digital circuit surface packaging has the silicon rubber material, the beneficial effects of the utility model are that: to preventing that the line side from hanging the ground wire with electricity, closing ground switch with electricity and preventing personnel from touching live equipment by mistake, can play obvious warning effect to this compensaties the defect of preventing mistake blocking device, and the practicality compares current display and has had further promotion.

Description

Passive live display for railway high-voltage line

Technical Field

The utility model relates to an electrical equipment field, concretely relates to passive electrified display of railway high-voltage line.

Background

The electric danger is that the electric railway is invisible, and many personal death accidents, equipment damage accidents and traction network accidents in the electrified railway are all caused by the fact that an electrified body has no obvious warning, so that workers can mistakenly touch the electrified body, mistakenly close a grounding switch and the like, and if the electrified body can obviously show whether the electrified body is electrified, the safety of the workers, the safety of the equipment and the safety of a power grid can be guaranteed, so that the electrified warning of a lead and the equipment is realized, and the electric railway has very important function on preventing personal casualty accidents, equipment accidents and traction network accidents.

The prior art has the following defects: the existing high-voltage charged display displays the charged condition of a high-voltage device loop through an indicator lamp, although the high-voltage charged display can better monitor the working condition of high-voltage equipment, the charged display of which the detection element is required to be in naked contact with a charged body has the following problems: 1. the special structure determines the breakdown of a capacitor core or the surface flash of an insulator, and the single-phase grounding at the installation position is easy to cause; 2. partial discharge may occur at the adhesive joint of the capacitor core and the shell; 3. the pillar sensor need occupy the space in the cubical switchboard, must lead to the low-voltage line simultaneously on the panel of installation display, cause the wiring in the cubical switchboard complicated, in addition, inductive type electrified display and equipotential electrified display also can be used as high-voltage display, inductive type electrified display although not with live equipment direct contact, its display part needs external power supply, equipotential electrified display does not need external power supply, but must just can work with the naked contact of live equipment.

Therefore, the invention is necessary to invent a passive charged display of a railway high-voltage line.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a railway high-voltage line passive electrified display to solve that current high-voltage electrified display exists: 1. the special structure determines the breakdown of a capacitor core or the surface flash of an insulator, and the single-phase grounding at the installation position is easy to cause; 2. partial discharge may occur at the adhesive joint of the capacitor core and the shell; 3. the pillar type sensor need occupy the space in the cubical switchboard, must lead to the low-voltage line simultaneously on the panel of installation display, cause the wiring in the cubical switchboard complicated, in addition, inductive type electrified display and equipotential electrified display also can be used as high-voltage display, inductive type electrified display although not with live equipment direct contact, its display part needs external power supply, equipotential electrified display does not need external power supply, but must with the problem that live equipment naked contact just can work.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a passive electrified display of railway high-voltage line, includes energy acquisition module, power amplification module, energy storage module, luminous display module, digital circuit, energy acquisition module passes through digital circuit and power amplification module electric connection, power amplification module passes through digital circuit and energy storage module electric connection, energy storage module passes through digital circuit and luminous display module electric connection.

Preferably, a rectifier, a buck converter and a collecting circuit board are arranged in the energy collecting module.

Preferably, the outer surface of the digital circuit is encapsulated with a silicone rubber material.

Preferably, the power amplification module is internally provided with two groups of power amplification circuits and four groups of capacitors, wherein one of the power amplification circuits amplifies input current, the other power amplification circuit secondarily amplifies the input current, and the four groups of capacitors are connected in series between the two power amplification circuits.

Preferably, an energy storage capacitor and a damping resistor are arranged in the energy storage module, and the damping resistor is electrically connected with the energy storage capacitor through a copper wire.

Preferably, the light emitting display module is internally provided with an LED lamp bank, a transparent lampshade and a voltage stabilizer, and the LED lamp bank is electrically connected with the voltage stabilizer through a wire.

The utility model has the advantages that: this display adopts the principle of electrostatic induction, under the effect of electric field around high-tension apparatus, utilize the electric field can reach the strong flash of light and show high-voltage charged purpose, can accurately and reliably show high-tension apparatus electrified situation with the mode of strong flash of light, even also can be clearly visible under dazzling outdoor highlight, can prevent effectively because the people does not master equipment electrified situation, consequently and the high-voltage electric shock accident and the equipment short circuit damage accident that cause, especially to preventing that the line side is electrified to hang the ground wire, electrified earthing knife-switch that closes and prevent personnel's mistake from touching electrified equipment, can play obvious warning effect, compensate the defect of preventing mistake blocking device with this, overall design is scientific and reasonable more, the practicality compares current display and has had further promotion.

Drawings

Fig. 1 is a schematic diagram of the system structure provided by the present invention.

In the figure: the device comprises an energy acquisition module 1, a power amplification module 2, an energy storage module 3, a light-emitting display module 4 and a digital circuit 5.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The utility model provides a passive electrified display of railway high-voltage line, including energy acquisition module 1, power amplification module 2, energy storage module 3, luminous display module 4, digital circuit 5, energy acquisition module 1 is through digital circuit 5 and power amplification module 2 electric connection, power amplification module 2 is through digital circuit 5 and energy storage module 3 electric connection, energy storage module 3 is through digital circuit 5 and luminous display module 4 electric connection;

furthermore, a rectifier, a step-down converter and a collecting circuit board are arranged in the energy collecting module 1, the rectifier is a device for converting alternating current into direct current and can be used for a power supply device, detecting radio signals and the like, the rectifier can be made of a vacuum tube, an ignition tube, a solid silicon semiconductor diode, a mercury arc and the like, the step-down converter is one of transformers and is a common electrical device for outputting stable current meeting given requirements, and the step-down converter belongs to the prior art, collects high-voltage line coupling energy generated in the environment, converts the energy into well-regulated output and provides energy for a light-emitting element assembly;

furthermore, the outer surface of the digital circuit 5 is packaged with a silicon rubber material, which is different from the traditional circuit, the modern digital circuit is constructed by a plurality of digital integrated devices made by a semiconductor process, so that external electromagnetic interference signals can be effectively avoided, the anti-interference capability of the circuit is improved, the silicon rubber is that a main chain is alternately composed of silicon and oxygen atoms, the silicon atoms are usually connected with rubber with two organic groups, the silicon rubber has outstanding heat resistance, can work for a long time at 180 ℃, can still bear elasticity for a plurality of weeks or more even at a temperature slightly higher than 200 ℃, and can instantaneously resist the high temperature of more than 300 ℃, so that a good insulation protection effect is started for the inside of the digital circuit 5, and the stability of the circuit in operation is ensured;

further, a power amplification circuit and a capacitor are arranged in the power amplification module 2, the power amplification circuit is provided with two groups, the capacitor is provided with four groups, one of the power amplification circuits amplifies the input current, the other power amplification circuit secondarily amplifies the input current, and the four groups of capacitors are connected in series between the two power amplification circuits, so that the weak current is subjected to power amplification treatment, and the obtained electric energy is stored through a related storage device for use when the light-emitting element subsequently emits light;

further, an energy storage capacitor and a damping resistor are arranged inside the energy storage module 3, the damping resistor is electrically connected with the energy storage capacitor through a copper wire, the energy storage capacitor refers to a technology of utilizing a capacitor to store electric energy, the mechanism of capacitance energy storage is double electric layer capacitance and Faraday capacitance, the main form of the energy storage is super capacitor energy storage, and the super capacitor energy storage device mainly comprises a super capacitor set, a bidirectional DC/DC converter and a corresponding control circuit. The technical core of the method is that a voltage-sharing topology and a control strategy inside a super capacitor bank and a topology structure and a control strategy of a bidirectional DC/DC converter are adopted so as to supply power to a light-emitting component;

further, the inside LED banks, transparent lamp shade, stabiliser that is equipped with of luminous display module 4, the stabiliser makes output voltage stable equipment, and when input voltage or load change, control circuit takes a sample, compares, enlargies, makes the position change of voltage regulator carbon brush, through automatic adjustment coil turns ratio to keep output voltage's stability, belongs to prior art field equally, so do not do too much and describe again, LED banks passes through wire and stabiliser electric connection, and LED banks mainly comprises a plurality of LED lamp holders, and the lamp holder colour sets up to red, and is more striking when luminous, and stabilizes the processing through the stabiliser to the supply voltage of LED lamp holder, prevents that it from leading to burning out because of the voltage is too big, with this whole luminous display element protects.

The utility model discloses a use as follows: when the utility model is used, the electronic element which can still normally work in the severe environment of high-voltage and strong electromagnetic field is designed and selected, the semiconductor process and structure need to be selected and designed if necessary, and the pressure resistance and the anti-electromagnetic interference capability of the product can meet the most rigorous requirement from the two aspects of element selection and circuit design; researching the collection mode and power amplification factor of the coupling energy; selecting the color and brightness of the luminescent material of the display device under an outdoor strong light background to find out a luminescent element which is suitable for being sensitive to human eyes under the outdoor strong light background; the flashing frequency is controlled, so that the intensity and the frequency of light emission can meet the requirement that operators stand on the ground or are out of an electrical safety distance, and can see striking warning flashing, thereby meeting the requirement of judging whether the electricity is charged or not.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims (6)

1. The utility model provides a passive electrified display of railway high-voltage line, includes energy acquisition module (1), power amplification module (2), energy storage module (3), luminous display module (4), digital circuit (5), its characterized in that: the energy acquisition module (1) is electrically connected with the power amplification module (2) through the digital circuit (5), the power amplification module (2) is electrically connected with the energy storage module (3) through the digital circuit (5), and the energy storage module (3) is electrically connected with the light-emitting display module (4) through the digital circuit (5).

2. The passive electrified display of claim 1, characterized in that: the energy acquisition module (1) is internally provided with a rectifier, a step-down converter and an acquisition circuit board.

3. The passive electrified display of claim 1, characterized in that: and a silicon rubber material is encapsulated on the outer surface of the digital circuit (5).

4. The passive electrified display of claim 1, characterized in that: the power amplification module (2) is internally provided with two groups of power amplification circuits and capacitors, the capacitors are provided with four groups, one of the power amplification circuits amplifies input current, the other power amplification circuit amplifies the input current for the second time, and the four groups of capacitors are connected between the two power amplification circuits in series.

5. The passive electrified display of claim 1, characterized in that: the energy storage module (3) is internally provided with an energy storage capacitor and a damping resistor, and the damping resistor is electrically connected with the energy storage capacitor through a copper wire.

6. The passive electrified display of claim 1, characterized in that: the LED lamp bank is electrically connected with the voltage stabilizer through a wire.

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