A novel acquisition device and analysis method for small sample fault signals of power equipment

Abstract

The present invention relates to the field of electric power detection technology, and in particular to a novel acquisition device and analysis method for small sample fault signals of electric power equipment. Its technical solution includes: a protection component, a shell, a heat dissipation component and a discharge component, a mounting plate is installed on one side of the shell, a discharge component is installed on the top side of the shell, a protective cover is installed in the discharge component, a connector is installed on the inner side of the protective cover, a connection seat is installed on the bottom of the connector, a circuit board is installed on the inner side of the shell, and a protection component is installed on one side of the circuit board. The present invention installs copper foil on both sides of the conductive column, and can connect the voltage divider tube in parallel with the conductive column through the copper foil, and then can use the conductive column with smaller resistance to transmit current under normal current transmission conditions, and when the current fluctuates greatly, two groups of voltage dividers can be used to disperse the current, thereby avoiding damage to the circuit caused by excessive circuit load, thereby improving the durability of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power detection, and in particular to a novel acquisition device and analysis method for small sample fault signals of electric power equipment. Background Art

[0002] In the sample fault of the power line, in order to facilitate the monitoring of the line, it is necessary to connect the line signal acquisition device to the line, so that the signal data can be collected and analyzed in time when the line fails, so that the staff can check the data and then maintain the faulty part. Therefore, we propose a new acquisition device for small sample fault signals of power equipment.

[0003] After searching, the patent announcement number CN215773916U discloses a power big data power collection and analysis system, including a collection device body, one side of the collection device body is provided with a protective mechanism, the protective mechanism includes a top cover and a bottom cover, and the top cover and the bottom cover are respectively movably arranged at the top and bottom of one side of the collection device body, and a lighting lamp is fixedly provided at the inner center of the top cover. After the top cover and the bottom cover are opened, the lighting lamp is connected to electricity for lighting, and maintenance tools can be placed in the bottom cover, and a support plate is fixedly provided at the top center of the top cover, and a switch is fixedly provided in the middle of the support plate.

[0004] The existing new collection device for small sample fault signals of power equipment has the following defects:

[0005] When the existing new type of acquisition device for small sample fault signals of power equipment acquires signals from the circuit, the current in the circuit will be electrophoresed due to voltage instability at the moment of connection. Therefore, the internal circuit of the device will be affected by the current pulse, which can easily damage the circuit and reduce the durability of the device.

[0006] When the existing new type of acquisition device for small sample fault signals of power equipment dissipates heat from the components inside the device, the traditional cooling structure does not have an ideal cooling effect on the circuit. As a result, when the circuit is continuously powered on and heated, the temperature of the circuit will gradually rise, causing damage to some fragile components and reducing the working stability of the device. Summary of the invention

[0007] The purpose of the present invention is to provide a novel acquisition device and analysis method for small sample fault signals of electric power equipment to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A new type of acquisition device for small sample fault signals of electric power equipment, comprising a protection component, a shell, a heat dissipation component and a discharge component, a mounting plate is installed on one side of the shell, a discharge component is installed on the top side of the shell, a protective cover is installed in the discharge component, a connector is installed on one side of the inner part of the protective cover, a connecting seat is installed on the bottom of the connector, a discharge needle is installed on one side of the connector, a circuit board is installed on one side of the inner part of the shell, a protection component is installed on one side of the circuit board, a conductive column is installed in the protection component, copper foil is installed on both sides of the conductive column, a heat dissipation component is installed on one side of the circuit board, a mounting frame is installed in the heat dissipation component, and a liquid storage capsule is installed on one side of the mounting frame.

[0009] When using a new type of acquisition device for small sample fault signals of power equipment in the technical solution, it is electrically connected to the external circuit through two groups of cables, so that the internal circuit of the device is connected to the circuit to detect and collect electrical signals, and the current, voltage and current fluctuation amplitude are detected by multiple groups of electronic sensors inside the PLC electrical box, so that the device can collect and analyze the circuit signal when a fault signal appears in the circuit, and transmit the collected data to the system background for storage through the circuit board through the Internet of Things module connected to the network, and the current in the circuit is stably transmitted through the conductive column. When the current fluctuates greatly, the current can be dispersed by two groups of pressure pipes, which can ensure the anti-electrophoresis performance of the circuit and the stability of the circuit. The liquid storage capsule contacts one side of the circuit board so that the heat conductive medium inside the liquid storage capsule absorbs the heat, and the heat is transferred to the heat dissipation mesh plate through the copper ring, and the two groups of axial flow fans are powered on and rotated to drive the air flow to dissipate the heat inside the device.

[0010] Preferably, a main control chip is welded on one side of the circuit board, and an Internet of Things module is installed below the main control chip, and a PLC electrical box is installed on one side of the circuit board through a wire. The main control chip can analyze the data collected inside the device, and then transmit the analyzed data to the Internet of Things module for external transmission. The Internet of Things module can connect the device to an external network, and then use the wireless network to transmit the data to the system background database. The PLC electrical box is installed with current and voltage detection sensors, which can store the electrical signals detected by the device by detecting the fluctuations of current and voltage.

[0011] Preferably, a connection plate is installed on one side of the copper foil, a connection cover is installed on one side of the connection plate, and two sets of voltage dividers are installed on one side of the copper foil. The connection plate can be fixedly connected to one side of the mounting plate, so that the circuit board can be electrically connected to the external circuit. The voltage divider is made of a material with a resistance greater than that of the conductive column, so that the current can be transmitted in the conductive column under normal conditions. When the current fluctuates greatly, the two sets of voltage dividers can be used to assist the transmission of the current, so that the circuit has a certain load performance and avoids damage to the circuit under high load conditions.

[0012] Preferably, two sets of cables are installed on one side of the mounting plate, and a threaded port is installed at one end of the cable. The cable can be connected to an external circuit, and then the device can be connected to the external circuit to collect power fault signals. The threaded port can facilitate the connection between the mounting seat and the cable, thereby increasing the connection convenience of the device.

[0013] Preferably, a shielding net is installed inside the shell, and the shielding net is fixedly connected to the connection seat. The shielding net is made of all-metal material and embedded in the shell, which can form an electrostatic shield inside the shell, thereby preventing the electronic components inside the device from being interfered by the electrostatic outside the shell, and can cooperate with the discharge component to quickly transfer and release the static electricity inside the device to ensure the current stability of the circuit inside the device.

[0014] Preferably, a heat dissipation mesh is installed on one side of the mounting frame, and a copper ring extending to the inside of the liquid storage capsule is installed on one side of the heat dissipation mesh, and two sets of axial flow fans are installed on one side of the mounting frame. The heat dissipation mesh can increase the heat dissipation area of ​​the device, thereby improving the heat dissipation efficiency inside the device, the copper ring can absorb the heat inside the liquid storage capsule, and then transfer the heat to the inside of the heat dissipation mesh, and the axial flow fan can rotate after being powered on, thereby driving the air to flow, so as to facilitate air cooling and heat dissipation of the heat dissipation mesh.

[0015] Preferably, an insulating cover is installed on one side of the protective cover, and the insulating cover is made of a mesh graphene material. The insulating cover can protect one side of the protective cover to prevent the discharge needle from being damaged, and the insulating cover is made of a graphene material and has micropores inside, so that the electrons inside the protective cover can be naturally discharged into the air, so as to eliminate static electricity on the shell.

[0016] An analysis method based on the novel acquisition device of the above-mentioned small sample fault signal of the electric power equipment comprises the following steps:

[0017] Step 1: electrically connect the external circuit with the device through the cable, so that the circuit board electrically connects the external circuit with the circuit inside the device;

[0018] Step 2: The current is transmitted through the conductive column, and at the same time, multiple sets of sensors installed in the PLC electrical box detect and collect the current and voltage signals in the circuit, so that when a fault signal occurs in the circuit, the fault signal is collected through the main control chip. After the main control chip analyzes the fault signal, it uses the Internet of Things module to connect to the network and transmit the data to the system background;

[0019] Step 3: Load the current pulse in the circuit through the voltage divider, so that the current can be transmitted through the conductive column and the voltage divider respectively, to prevent the internal circuit of the device from being damaged by electrophoresis, and to improve the anti-electrophoresis performance and working stability of the device;

[0020] Step 4: The liquid reservoir is tightly fitted to one side of the circuit board, so that the heat inside the circuit board is transferred to the liquid reservoir, and the heat in the liquid reservoir is transferred through the copper ring, so that the heat is transferred to the heat dissipation mesh plate;

[0021] Step 5: Power on two sets of axial flow fans to drive the air flow inside the device, so that the heat dissipation mesh plate can be cooled and dissipated, so that the heat inside the device can be continuously discharged from the device, ensuring that the working temperature inside the device is within a suitable range;

[0022] Step 6: Use a shielding net to electrostatically shield the shell, absorb the static charge inside the device, and use discharge to naturally discharge the charge, so that the device can eliminate static electricity for use and avoid fluctuations in the circuit due to static electricity.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The present invention installs copper foil on both sides of the conductive column, and can connect the voltage divider tube and the conductive column in parallel through the copper foil. Then, under normal current transmission conditions, the conductive column with smaller resistance can be used to transmit the current. When the current fluctuates greatly, two groups of voltage dividers can be used to disperse the current, thereby avoiding damage to the circuit due to excessive circuit load, thereby improving the durability of the device.

[0025] The present invention installs a liquid storage bag on one side of the mounting frame, which can store a certain amount of heat-conducting medium through the liquid storage bag. The liquid storage bag is fitted with the circuit board and the electronic components on one side of the circuit board, so that the heat-conducting medium inside the liquid storage bag can quickly absorb heat and transfer the heat to the heat dissipation mesh plate to discharge the heat from the shell, thereby stabilizing the temperature inside the shell within a suitable range, thereby ensuring the stability of the device when powered on. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0027] Figure 2It is a schematic diagram of the front cross-sectional structure of the present invention;

[0028] Figure 3 It is a schematic diagram of the front external structure of the present invention;

[0029] Figure 4 It is a schematic diagram of the partial structure of the protection component of the present invention;

[0030] Figure 5 It is a schematic diagram of the local structure of the heat dissipation component of the present invention;

[0031] Figure 6 It is a schematic diagram of the local structure of the discharge assembly of the present invention;

[0032] Figure 7 It is a schematic diagram of the process of the present invention.

[0033] In the figure: 1. Circuit board; 101. Main control chip; 102. Internet of Things module; 103. PLC electrical box; 2. Protection component; 201. Conductive column; 202. Voltage divider; 203. Connection cover; 204. Connection plate; 205. Copper foil; 3. Installation plate; 301. Cable; 4. Shell; 401. Shielding net; 5. Heat dissipation component; 501. Mounting frame; 502. Liquid storage capsule; 503. Copper ring; 504. Axial fan; 505. Heat dissipation mesh plate; 6. Discharge component; 601. Protection cover; 602. Connector; 603. Connecting seat; 604. Discharge needle; 605. Insulation cover. DETAILED DESCRIPTION

[0034] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] Embodiment 1

[0036] like Figure 1-7 As shown, a novel device for collecting small sample fault signals of electric power equipment proposed by the present invention comprises a protection component 2, a shell 4, a heat dissipation component 5 and a discharge component 6, a mounting plate 3 is installed on one side of the shell 4, a discharge component 6 is installed on one side of the top of the shell 4, a protective cover 601 is installed in the discharge component 6, a connector 602 is installed on one side of the inside of the protective cover 601, a connecting seat 603 is installed at the bottom of the connector 602, a discharge needle 604 is installed on one side of the connector 602, a circuit board 1 is installed on one side of the inside of the shell 4, a protection component 2 is installed on one side of the circuit board 1, a conductive column 201 is installed in the protection component 2, copper foil 205 is installed on both sides of the conductive column 201, a heat dissipation component 5 is installed on one side of the circuit board 1, a mounting frame 501 is installed in the heat dissipation component 5, and a liquid storage capsule 502 is installed on one side of the mounting frame 501.

[0037] The working principle of the novel device for collecting small sample fault signals of power equipment based on the first embodiment is: electrically connected to the external circuit through two sets of cables 301, so that the internal circuit of the device is connected to the circuit to detect and collect electrical signals, and the current, voltage and current fluctuation amplitude are detected by multiple sets of electronic sensors inside the PLC electrical box 103, so that when a fault signal appears in the circuit, the device collects and analyzes the circuit signal, and transmits the collected data to the system background for storage through the circuit board 1 through the Internet of Things module 102 connected to the network, and stably transmits the current in the circuit through the conductive column 201. When the current fluctuates greatly, the two sets of split tubes 202 can be used to disperse the current, thereby reducing the conductive column. The current load on 201 can be avoided, thereby preventing the conductive column 201 from melting under high load conditions, ensuring the anti-electrophoresis performance of the circuit, and increasing the circuit stability of the internal circuit of the device under the condition of large current fluctuations. The liquid storage capsule 502 is in close contact with one side of the circuit board 1, so that the heat-conducting medium inside the liquid storage capsule 502 absorbs the heat, thereby controlling the temperature of the circuit board 1 within a suitable working range, and transferring the heat to the heat dissipation mesh plate 505 through the copper ring 503. The two sets of axial flow fans 504 are powered on and rotated to drive the air flow, so that the air passes through the heat dissipation mesh plate 505 and discharges the heat from the shell, thereby dissipating the heat inside the device to avoid the high temperature generated inside the device affecting the working stability of the electronic components.

[0038] A novel acquisition and analysis method for small sample fault signals of power equipment comprises the following steps:

[0039] Step 1: The circuit board 1 is electrically connected to the external circuit through the cable 301, so that the external circuit and the circuit inside the device are electrically connected;

[0040] Step 2: The current is transmitted through the conductive column 201, and at the same time, multiple sets of sensors installed in the PLC electrical box 103 detect and collect the current and voltage signals in the circuit, so that when a fault signal occurs in the circuit, the fault signal is collected through the main control chip 101. After the main control chip 101 analyzes the fault signal, it uses the Internet of Things module 102 to connect to the network and transmit the data to the system background;

[0041] Step 3: The current pulse in the circuit is loaded by the voltage divider 202, so that the current can be transmitted through the conductive column and the voltage divider 202 respectively, so as to prevent the internal circuit of the device from being damaged by electrophoresis, thereby improving the anti-electrophoresis performance and working stability of the device;

[0042] Step 4: The liquid storage capsule 502 is tightly fitted to one side of the circuit board 1, so that the heat inside the circuit board 1 is transferred to the liquid storage capsule 502, and the heat in the liquid storage capsule 502 is transferred through the copper ring 503, so that the heat is transferred to the heat dissipation mesh plate 505;

[0043] Step 5: The two sets of axial flow fans 504 are powered on to rotate to drive the air flow inside the device, so that the heat dissipation mesh plate 505 performs air cooling and heat dissipation, so that the heat inside the device can be continuously discharged from the device, ensuring that the working temperature inside the device is within a suitable range;

[0044] Step 6: Use the shielding net 401 to electrostatically shield the shell 4, absorb the static charge inside the device, and use the discharge needle 604 to naturally discharge the charge, so that the device can eliminate static electricity for use and avoid circuit fluctuations caused by static electricity.

[0045] Embodiment 2

[0046] like Figure 1-7 As shown, the present invention proposes a novel device for collecting small sample fault signals of power equipment. Compared with the first embodiment, the present embodiment further includes: a main control chip 101 is welded on one side of the circuit board 1, and an Internet of Things module 102 is installed below the main control chip 101, a PLC electrical box 103 is installed on one side of the circuit board 1 through a wire, a connecting plate 204 is installed on one side of the copper foil 205, and a connecting cover 203 is installed on one side of the connecting plate 204, two groups of split tubes 202 are installed on one side of the copper foil 205, and one side of the mounting plate 3 Two groups of cables 301 are installed, and one end of the cable 301 is installed with a threaded port, a shielding net 401 is installed inside the shell 4, and the shielding net 401 is fixedly connected to the connecting seat 603, a heat dissipation mesh plate 505 is installed on one side of the mounting frame 501, and a copper ring 503 extending to the inside of the liquid storage capsule 502 is installed on one side of the heat dissipation mesh plate 505, two groups of axial flow fans 504 are installed on one side of the mounting frame 501, and an insulating cover 605 is installed on one side of the protective cover 601, and the insulating cover 605 is made of mesh graphene material.

[0047] In this embodiment, the main control chip 101 can analyze the data collected inside the device, and then transmit the analyzed data to the Internet of Things module 102 for external transmission. The Internet of Things module 102 can enable the device to be connected to an external network, and then the data can be transmitted to the system background database using a wireless network. The PLC electrical box 103 is equipped with current and voltage detection sensors. By detecting the fluctuations of current and voltage, the electrical signals detected by the device can be stored. The connecting plate 204 can be fixedly connected to one side of the mounting plate 3, so that the circuit board 1 can be electrically connected to the external circuit. The voltage divider 202 is made of a material with a resistance greater than that of the conductive column 201, so that under normal conditions, the current can be transmitted in the conductive column 201. When the current fluctuates greatly, two groups of voltage dividers 202 can be used to assist in the transmission of the current, so that the circuit has a certain load performance and avoids damage to the circuit under high load conditions. The cable 301 can be connected to an external circuit, so that the device can be connected to an external circuit for power fault signal collection. The threaded port can be easily installed The mounting seat is connected to the cable 301, thereby increasing the connection convenience of the device. The shielding net 401 is made of all-metal material and embedded in the shell 4. It can form an electrostatic shield inside the shell 4, thereby preventing the electronic components inside the device from being interfered by the electrostatic outside the shell 4, and can cooperate with the discharge component 6 to quickly transfer and release the static electricity inside the device to ensure the current stability of the internal circuit of the device. The heat dissipation mesh plate 505 can increase the heat dissipation area of ​​the device, thereby improving the heat dissipation efficiency inside the device. The copper ring 503 can absorb the heat inside the liquid storage capsule 502, and then transfer the heat to the inside of the heat dissipation mesh plate 505. The axial flow fan 504 can rotate after being powered on, and then drive the air to flow, so as to facilitate air cooling and heat dissipation of the heat dissipation mesh plate 505. The insulating cover 605 can protect one side of the protective cover 601, thereby preventing the discharge needle 604 from being damaged. The insulating cover 605 is made of graphene material and has micropores inside, which can naturally discharge the electrons inside the protective cover 601 into the air, so as to facilitate static elimination of the shell 4.

[0048] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A novel device for collecting small sample fault signals of power equipment, characterized by: It comprises a protection component (2), a housing (4), a heat dissipation component (5) and a discharge component (6), wherein: A mounting plate (3) is mounted on one side of the housing (4), and a discharge assembly (6) is mounted on one side of the top of the housing (4); A protective cover (601) is installed in the discharge component (6), a connector (602) is installed on one side of the interior of the protective cover (601), a connection seat (603) is installed at the bottom of the connector (602), a discharge needle (604) is installed on one side of the connector (602), and an insulating cover (605) made of a mesh graphene material is also installed on one side of the protective cover (601); A circuit board (1) is installed on one side of the interior of the housing (4), a protection component (2) is installed on one side of the circuit board (1), a conductive column (201) is installed in the protection component (2), copper foil (205) is installed on both sides of the conductive column (201), and two groups of voltage divider tubes (202) are installed on one side of the copper foil (205), and the voltage divider tubes (202) are made of a material with a greater resistance than the conductive column (201); A main control chip (101) is welded to one side of the circuit board (1), an Internet of Things module (102) is installed below the main control chip (101), and a PLC electrical box (103) is installed on one side of the circuit board (1) via a wire; A mounting frame (501) is installed in the heat dissipation component (5), a liquid storage capsule (502) is installed on one side of the mounting frame (501), a heat dissipation mesh plate (505) and two groups of axial flow fans (504) are also installed on one side of the mounting frame (501), and a copper ring (503) extending into the interior of the liquid storage capsule (502) is installed on one side of the heat dissipation mesh plate (505); Two groups of cables (301) are installed on one side of the installation plate (3), and a threaded opening is installed on one end of the cable (301); A shielding net (401) is installed inside the housing (4), and the shielding net (401) is fixedly connected to the connecting seat (603); The voltage divider (202) is connected in parallel with the conductive column (201) and connected via the copper foil (205). When the current fluctuates greatly, the two groups of voltage dividers (202) can be used to disperse the current, thereby ensuring the anti-electrophoresis performance of the circuit and improving the durability of the device.

2. A novel device for collecting small sample fault signals of electric power equipment according to claim 1, characterized in that: The PLC electrical box (103) is equipped with a plurality of sets of sensors for detecting and collecting current and voltage signals in the circuit. When a fault signal appears in the circuit, the main control chip (101) collects and analyzes the fault signal, and uses the Internet of Things module (102) to connect to the network and transmit the data to the system background.

3. The analysis method of the novel acquisition device of small sample fault signals of electric power equipment according to claim 1 is characterized by: The analytical method comprises the following steps: Step 1: electrically connecting the external circuit via the cable (301) so that the circuit board 1 electrically connects the external circuit with the circuit inside the device; Step 2: The current is transmitted through the conductive column (201), and at the same time, multiple sets of sensors installed in the PLC electrical box (103) detect and collect the current and voltage signals in the circuit, so that when a fault signal occurs in the circuit, the fault signal is collected through the main control chip (101), and after the main control chip (101) analyzes the fault signal, the Internet of Things module 102 is used to connect to the network and transmit the data to the system background; Step 3: The current pulse in the circuit is loaded by the voltage divider (202), so that the current can be transmitted through the conductive column (201) and the voltage divider (202) respectively, so as to prevent the circuit inside the device from being damaged by electrophoresis, thereby improving the anti-electrophoresis performance and working stability of the device; Step 4: The liquid storage capsule (502) is tightly fitted to one side of the circuit board (1) so that the heat inside the circuit board (1) is transferred to the liquid storage capsule (502), and the heat in the liquid storage capsule (502) is transferred through the copper ring (503) so that the heat is transferred to the heat dissipation mesh plate (505); Step 5: Power on two sets of axial flow fans (504) to drive the air flow inside the device, so that the heat dissipation screen (505) air cooling can be performed to continuously discharge the heat inside the device, thereby ensuring that the operating temperature inside the device is within a suitable range; Step 6: The housing (4) is electrostatically shielded by the shielding net (401), and the electrostatic charge inside the device is absorbed. The charge is discharged naturally by the discharge needle (604), so that the device can eliminate static electricity for use, and the circuit is prevented from being affected by static electricity and causing fluctuations.

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