CN215072441U

CN215072441U - Photovoltaic equipment communication tester

Info

Publication number: CN215072441U
Application number: CN202120503596.2U
Authority: CN
Inventors: 武金柱; 魏纲; 孙晓东; 苗华远; 刘浩
Original assignee: Qingdao Branch Of Cecep Shandong Solar Energy Technology Co ltd
Current assignee: Qingdao Branch Of Cecep Shandong Solar Energy Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-12-07
Anticipated expiration: 2031-03-09

Abstract

The utility model relates to a photovoltaic equipment communication tester, it includes aluminum alloy equipment box, sets up lithium ion rechargeable battery in the aluminum alloy equipment box, inlay the dress and be in 7 cun true color touch-sensitive screens on the aluminum alloy equipment box, wherein, aluminum alloy equipment box outside is equipped with at least one 485 communication interfaces, the aluminum alloy equipment incasement is equipped with the main control board, the main control board input with 485 communication interfaces connect, the main control board output with 7 cun true color touch-sensitive screen communication connection, lithium ion rechargeable battery does each component and 7 cun true color touch-sensitive screen power supplies on the main control board. The photovoltaic equipment communication tester overcomes the defects of low efficiency, labor and time waste and less assistance to fault maintenance of the existing photovoltaic equipment communication detection method, can visually detect whether the 485 communication equipment has faults or not, and provides dynamic operation parameter data to provide valuable reference for follow-up fault maintenance and fault removal.

Description

Photovoltaic equipment communication tester

Technical Field

The utility model relates to a test instrument field, concretely relates to photovoltaic equipment communication tester.

Background

Photovoltaic power generation project complete basic function hardware mainly comprises devices such as an inverter, a combiner box and a box transformer substation, and 485 communication forms are common among the devices. When communication equipment applied at present breaks down, the universal meter is generally used for overhauling, and the 485 communication equipment fault condition universal meter is simply measured during maintenance, so that the communication content can not be visually displayed, and the judgment is still mainly carried out according to experience, so that the defect of low detection efficiency exists, the labor and the time are wasted, and the reference value of a detection result to fault maintenance is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects that an existing communication detection method of the photovoltaic equipment is low in efficiency, labor-consuming, time-consuming and low in fault maintenance help are overcome, and the photovoltaic equipment communication tester capable of visually detecting whether the 485 communication equipment has faults and providing dynamic operation parameter data is provided.

This photovoltaic equipment communication tester includes aluminum alloy equipment box, sets up lithium ion rechargeable battery in the aluminum alloy equipment box, inlay the dress and be in 7 cun true color touch-sensitive screens on the aluminum alloy equipment box, wherein, aluminum alloy equipment box outside is equipped with at least one 485 communication interfaces, the aluminum alloy equipment incasement is equipped with the main control board, the main control board input with 485 communication interfaces connect, the main control board output with 7 cun true color touch-sensitive screen communication connection, lithium ion rechargeable battery does each component and the true color touch-sensitive screen power supply of 7 cun on the main control board.

In order to realize rapid visual display, remote monitoring and data storage of fault conditions, the aluminum alloy equipment box is provided with a signal indicator lamp, a power switch and a network interface.

In order to realize the data acquisition and processing of the communication signals of the tested communication equipment, an ADM483EANZ interface chip, a signal amplifier, a digital signal processing unit and an analog signal indicating unit are integrated on the main control board.

In order to realize the detection of specific operation parameters of the communication equipment to be detected, the ADM483EANZ interface chip is connected with the 485 communication interface in a one-to-one correspondence manner, the input end of the signal amplifier is connected with the ADM483EANZ interface chip, and the output end of the signal amplifier is connected with the digital signal processing unit; the input end of the analog signal indicating unit is connected with the 485 communication interface, and the output end of the analog signal indicating unit is connected with the signal indicating lamp.

For realizing the detection of the specific operating parameters of the tested communication equipment, the digital signal processing unit comprises an A/D converter, a processor chip, an Ethernet card and a wireless data transmission module, wherein the input end of the A/D converter is connected with the output end of the signal amplifier, the output end of the A/D converter is connected with the input end of the processor chip, the Ethernet card and the wireless data transmission module are connected with the processor chip, the output end of the processor chip is connected with the input end of the 7-inch true color touch screen by utilizing the SPI (serial peripheral interface) for switching, and the input end of the 7-inch true color touch screen is connected through a wire belt, and the network interface is integrated on the Ethernet card.

For realizing the state visual judgment indication whether the communication equipment to be detected has a fault, the analog signal indicating unit is a signal loop, the indicating lamps are three groups in total, the three groups of indicating lamps are respectively connected with a receiving signal line, a sending signal line and a ground wire of the 485 communication interface through signal loop lines, and the other sides of the three groups of indicating lamps are connected with the lithium ion rechargeable battery.

The utility model relates to a photovoltaic equipment communication tester has overcome current photovoltaic equipment communication detection method inefficiency, hard consuming time, and to the few defect of malfunction repair help, and it can detect 485 communication equipment directly perceived whether have the trouble to provide dynamic operating parameter data and provide valuable reference for follow-up malfunction repair and troubleshooting.

Drawings

The utility model relates to a photovoltaic equipment communication tester is further explained below with the accompanying drawing:

FIG. 1 is a schematic plan view of the communication tester of the photovoltaic device;

fig. 2 is a block diagram of the components connection logic of the photovoltaic equipment communication tester.

In the figure:

1-aluminum alloy equipment box, 2-lithium ion rechargeable battery, 3-7 inch true color touch screen, 4-485 communication interface, 5-main control board, 6-signal indicator lamp, 7-power switch and 8-network interface;

51-interface chip, 52-signal amplifier, 53-digital signal processing unit, 54-analog signal indicating unit;

531-A/D converter, 532-processor chip, 533-Ethernet card and 534-wireless data transmission module.

Detailed Description

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Embodiment 1: as shown in fig. 1, this photovoltaic equipment communication tester includes aluminum alloy equipment box 1, sets up lithium ion rechargeable battery 2 in the aluminum alloy equipment box 1, inlays the dress and is in 7 cun true color touch-sensitive screens 3 on the aluminum alloy equipment box 1, wherein, 1 outside of aluminum alloy equipment box is equipped with at least one 485 communication interface 4, be equipped with main control panel 5 in the aluminum alloy equipment box 1, main control panel 5 input with 485 communication interface 4 connects, main control panel 5 output with 7 cun true color touch-sensitive screen 3 communication connection, lithium ion rechargeable battery 2 does each component and 7 cun true color touch-sensitive screen 3 power supplies on the main control panel 5. And the aluminum alloy equipment box 1 is provided with a signal indicator lamp 6, a power switch 7 and a network interface 8. The method is used for realizing rapid visual display, remote monitoring and data storage of the fault condition.

Embodiment 2: as shown in fig. 2, the main control board 5 of the photovoltaic device communication tester is integrated with an ADM483EANZ interface chip 51, a signal amplifier 52, a digital signal processing unit 53, and an analog signal indicating unit 54. The method is used for realizing the data acquisition and processing of the communication signals of the tested communication equipment. The ADM483EANZ interface chip 51 is correspondingly connected with the 485 communication interface 4, the input end of the signal amplifier 52 is connected with the ADM483EANZ interface chip 51, and the output end of the signal amplifier 52 is connected with the digital signal processing unit 53; the input end of the analog signal indicating unit 54 is connected with the 485 communication interface 4, and the output end of the analog signal indicating unit 54 is connected with the signal indicator lamp 6. The method is used for detecting the specific operation parameters of the communication equipment to be detected. The digital signal processing unit 53 includes an a/D converter 531, a processor chip 532, an ethernet card 533 and a wireless data transmission module 534, the input end of the a/D converter 531 is connected to the output end of the signal amplifier 52, the output end of the a/D converter 531 is connected to the input end of the processor chip 532, the ethernet card 533 and the wireless data transmission module 534 are connected to the processor chip 532, the output end of the processor chip 532 is connected to the input end of the 7-inch true color touch screen 3 through a wire strap by using an SPI interface, and the network interface 8 is integrated on the ethernet card 533. The method is used for detecting the specific operation parameters of the communication equipment to be detected. The analog signal indicating unit 54 is a signal loop, the indicating lamps 6 have three groups, the three groups of indicating lamps 6 are respectively connected with the receiving signal line, the sending signal line and the ground wire of the 485 communication interface 4 through signal loop lines, and the other sides of the three groups of indicating lamps 6 are connected with the lithium ion rechargeable battery 2. The method is used for realizing the state visual judgment indication of whether the tested communication equipment has faults or not. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.

When in use: the 485 communication interface is utilized to be in butt joint with communication equipment, one path of communication signal realizes the closing of an analog signal indicating unit, an indicator lamp and a battery loop, the indicator lamp is lightened, the other path of communication signal is amplified and subjected to analog-to-digital conversion, and then is subjected to operation processing by a processor to form dynamic data values such as voltage, current and the like to be displayed on a touch screen, and the dynamic data values are transmitted to a remote place through a network card or a data transmission module; if the indicator light is not on, the communication equipment has a fault, and the fault analysis is carried out according to the dynamic data displayed by the touch screen, so that the maintenance scheme is determined.

This photovoltaic equipment communication tester the utility model relates to a photovoltaic equipment communication tester has overcome current photovoltaic equipment communication detection method inefficiency, hard consuming time, and to the few defect of troubleshooting help, and it can the visual detection 485 communication equipment whether have the trouble to provide dynamic operation parameter data and provide valuable reference for follow-up troubleshooting and troubleshooting.

The above description shows the main features, the basic principles, and the advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a photovoltaic equipment communication tester, characterized by: comprises an aluminum alloy equipment box (1), a lithium ion rechargeable battery (2) arranged in the aluminum alloy equipment box (1), and a 7-inch true color touch screen (3) embedded on the aluminum alloy equipment box (1), wherein,

aluminum alloy equipment case (1) outside is equipped with at least one 485 communication interface (4), be equipped with main control board (5) in aluminum alloy equipment case (1), main control board (5) input with 485 communication interface (4) are connected, main control board (5) output with 7 very various touch-sensitive screen (3) communication connection, lithium ion rechargeable battery (2) do each component and 7 very various touch-sensitive screen (3) power supplies on main control board (5).

2. The photovoltaic device communication tester of claim 1, wherein: the aluminum alloy equipment box (1) is provided with a signal indicator lamp (6), a power switch (7) and a network interface (8).

3. The photovoltaic device communication tester of claim 2, wherein: an interface chip (51), a signal amplifier (52), a digital signal processing unit (53) and an analog signal indicating unit (54) are integrated on the main control board (5).

4. The photovoltaic device communication tester of claim 3, wherein: the interface chips (51) are correspondingly connected with the 485 communication interfaces (4), the input end of the signal amplifier (52) is connected with the interface chips (51), and the output end of the signal amplifier (52) is connected with the digital signal processing unit (53); the input end of the analog signal indicating unit (54) is connected with the 485 communication interface (4), and the output end of the analog signal indicating unit (54) is connected with the signal indicating lamp (6).

5. The photovoltaic device communication tester of claim 4, wherein: the digital signal processing unit (53) comprises an A/D converter (531), a processor chip (532), an Ethernet card (533) and a wireless data transmission module (534), wherein the input end of the A/D converter (531) is connected with the output end of the signal amplifier (52), the output end of the A/D converter (531) is connected with the input end of the processor chip (532), the Ethernet card (533) and the wireless data transmission module (534) are connected with the processor chip (532), the output end of the processor chip (532) is connected with the input end of the 7-inch true color touch screen (3) through SPI (serial peripheral interface) switching and a wire belt, and the network interface (8) is integrated on the Ethernet card (533).

6. The photovoltaic device communication tester of claim 4, wherein: analog signal indicating unit (54) is a signal return circuit, pilot lamp (6) are three groups altogether, three group pilot lamps (6) through signal return circuit respectively in the receiving signal line of 485 communication interface (4), send signal line and ground connection, the opposite side of three group pilot lamps (6) is connected lithium ion rechargeable battery (2).