CN210093572U

CN210093572U - Data acquisition device

Info

Publication number: CN210093572U
Application number: CN201921543957.5U
Authority: CN
Inventors: 张兴发
Original assignee: Suzhou Blue Spider Intelligent Technology Co Ltd
Current assignee: Suzhou Blue Spider Intelligent Technology Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-02-18
Anticipated expiration: 2029-09-17

Abstract

The utility model provides a data acquisition device, which is characterized in that the data acquisition device comprises an antenna component which can be arranged on one end surface of a tetragonal body in a pluggable way; the first end face of the body is provided with a plurality of network interfaces for connecting a network, and the indicating module comprises a plurality of indicating lamps and a power interface for electrically connecting the power supply part; and the second end face opposite to the first end face of the body is provided with a mounting part, the mounting part can be plugged into a connecting guide rail, the mounting part comprises an elastic part and is used for clamping the guide rail after the guide rail is connected, the data acquisition device is convenient to mount, can receive the electric quantity information of an inverter of a photovoltaic power station and the meteorological information of a meteorological station through a multi-path network interface during operation, and uploads the acquired data to a server through modes such as 4G or RJ 45. It also configures RJ45 or Bluetooth interface, so that the user can configure the parameters and inquire the data of the data acquisition device on site or remotely.

Description

Data acquisition device

Technical Field

The utility model relates to a data acquisition device specifically relates to a multichannel high in clouds data acquisition device for photovoltaic power generation system.

Background

At present, the utilization of new energy (such as solar energy, wind energy, etc.) has become a major research direction in all countries in the world, and one of them has become an important application direction for converting received solar energy into electric energy through a solar photovoltaic power generation system. Inverters applied in solar photovoltaic power generation systems are mainly classified into centralized type and distributed type. With the increasing requirements on power generation systems, the power generation efficiency is improved as much as possible, and the power generation can be effectively performed at low voltage, so that a data acquisition device is required to detect the working state of the inverter and perform real-time information interaction, and the data acquisition device is usually installed in an electrical cabinet or a control cabinet. At present, the data acquisition device on the market is bulky, the installation not only needs solitary space, and the installation is inconvenient moreover, installation cost is high, is unfavorable for large-scale popularization, hardly satisfies current distributed structure's control demand. In addition, the data acquisition devices on the market cannot acquire the information acquired/detected by the data acquisition devices during field maintenance.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, the utility model provides a data acquisition device, its accessible multichannel network interface receives photovoltaic power plant's dc-to-ac converter electric quantity information and meteorological station's meteorological information to reach the server through modes such as 4G or RJ45 with the data upload of gathering, it still disposes RJ45 or bluetooth interface, and the user can carry out parameter configuration, data query to data acquisition device on-the-spot like this.

Therefore, the utility model provides a following technical scheme:

a data acquisition device is characterized by comprising an antenna component which is arranged on one end face of a tetragonal body in a pluggable way;

the first end face of the body is provided with a plurality of network interfaces for connecting a network,

an indication module, which comprises a plurality of indication lamps,

a power interface for electrically connecting the power supply part;

and a second end surface opposite to the first end surface of the body, which is provided with a mounting part, a connecting guide rail which can be plugged in and pulled out, wherein the mounting part comprises an elastic part used for clamping the guide rail after the guide rail is connected. Therefore, the user can carry out parameter configuration and data query on the data acquisition device on site or remotely.

Preferably, the network interface includes a first network interface, a second network interface, a third network interface, and a fourth port.

Preferably, the fourth port comprises one of a USB port, a mini USB port, and a Type-C port.

Preferably, the mounting member comprises a first clamping portion having a first jaw at a distal end thereof, and a second clamping portion having a second jaw at a distal end thereof, the first/second jaw being adapted to be mounted to the guide rail and then to be caught at a side surface of the guide rail.

Preferably, the elastic member includes a spring disposed on one side surface of the second clamping portion.

Preferably, the mounting member is disposed in a middle region of the second end face.

Preferably, the body of the data acquisition device comprises a power module, a monitoring module, a control module, a communication module, an indication module and a Bluetooth module; when the data acquisition device works, the power supply module provides power to the monitoring module, the control module, the communication module and the indicating module; the monitoring module samples the electrical equipment connected with the monitoring module in real time and feeds back the sampled information to the control module; the control module processes information fed back by the monitoring module, part of the content is displayed by the indicating module, and the control module transmits the processed information to the server or the connected intelligent equipment through the communication module or the Bluetooth module.

Preferably, the network interface is connected to one end of a network cable, and the other end of the network cable is connected to the server.

Preferably, the body comprises a standby power supply, the standby power supply comprises a rechargeable battery, and the standby power supply is respectively and electrically connected with the monitoring module, the control module, the communication module, the indicating module and the Bluetooth module and used for providing electric energy.

Preferably, the body further comprises a port for mounting a communications antenna

For the scheme among the prior art, the utility model discloses an advantage:

① data acquisition device, its simple structure is easy to install simply, the commonality is strong;

② the data acquisition device is internally provided with a communication module which transmits the acquired information to a connected cloud server through the communication module;

③ the data acquisition device overcomes the defects that the existing data acquisition device has a single data transmission channel and the operation and maintenance personnel can only remotely check the operation information of the device on site.

④ A guide rail clamping groove type structure is configured at one side end of the data acquisition device, and the device is conveniently installed in an electrical cabinet.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a schematic diagram of functional modules of a data acquisition device according to an embodiment of the present invention;

fig. 2 and fig. 3 are schematic structural views of a data acquisition device according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of the mounting member of FIG. 3;

fig. 5 is a schematic diagram of the data acquisition device according to the embodiment of the present invention connected to a server.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions employed in the examples may be further adjusted as determined by the particular manufacturer, and the conditions not specified are typically those used in routine experimentation.

Example (b):

as shown in fig. 1, a functional module of the data acquisition device is schematically illustrated. The data acquisition device 10 comprises a power module 11, a monitoring module 12, a control module 13, a communication module 14, an indication module 15 and a Bluetooth module 16; when the data acquisition device 10 works, the power module 11 provides power to the monitoring module 12, the control module 13, the communication module 14 and the indicating module 15; the monitoring module 12 samples the electrical equipment (e.g., an inverter) connected thereto in real time; and feeds back the sampled information to the control module 13; the control module 13 processes the information fed back by the monitoring module 12, part of the content is displayed by the indication module 15, and the control module 13 transmits the processed information to a (cloud) server or connected intelligent equipment through the communication module 14 or the bluetooth module 16. By the design, operation and maintenance personnel can check the running information of the equipment through a background or can set and check the running information of the equipment through a mobile phone and a computer by connecting a Bluetooth module and the like on site.

Description of the parameters: the operation mechanism of the data acquisition apparatus 10 is described next; the data acquisition device samples the connected electrical equipment in real time, such as the operation condition of the inverter and the voltage and current information of the operation of the photovoltaic cell assembly (the information is obtained from the detection module of the inverter). The data acquisition device transmits acquired information to the control module 13, the control module 13 transmits processed information to the communication module 14, and the processed information is transmitted to a local and/or remote server through the communication module 14. In other embodiments, the communication module 14 is connected to a router (in some embodiments, the communication module 14 is connected to the router via an RJ45 port/RS 485 port), and is connected to the local server and/or the remote server via the router. Therefore, maintenance personnel can timely and accurately obtain the operation information of the electrical equipment according to the returned information, exception handling can be rapidly carried out, and maintenance cost is reduced. In one embodiment, the data acquisition device further comprises a storage module for storing the acquired information.

In the above embodiment, the power module 11 includes a switching power supply, and power is supplied through a power grid side (also referred to as "commercial power"), and the switching power supply converts alternating current received from the power grid side into appropriate low-voltage direct current to supply power required for the operation of other modules in the data acquisition device. The scheme is mainly applied to a photovoltaic power generation site. In the above embodiment, the power module provides power for other modules; the network port adopts an Ethernet port, information of the monitoring equipment is sent to a local and/or remote server through the Ethernet port by using the communication module, and remote monitoring personnel/maintenance personnel can see the operation state of the photovoltaic power generation system connected with the monitoring equipment.

The data acquisition device of the present embodiment will be described next with reference to figures 2 to 4,

as shown in fig. 2 and fig. 3, which are schematic structural views of a data acquisition device according to an embodiment of the present invention, the data acquisition device 100 includes a body 101 having a substantially rectangular parallelepiped shape (box shape), an end face of the body 101 is provided with an antenna member 102 configured to be pluggable,

one end face of the main body 101 is configured with a plurality of network interfaces for connecting networks, preferably, it includes a first network interface 103a, a second network interface 103b, a third network interface 104, and a fourth interface 105; an indication module 106, which comprises a plurality of indication lamps, a power interface 107 and a power supply part, wherein the indication lamps are used for describing the current state of the data acquisition device through the colors displayed when the indication lamps are operated;

the end face opposite to the network interface faces for connecting the network is provided with a mounting part 108, and one side of the mounting part is provided with an elastic part 108a, so that the mounting part 108 can be installed on a guide rail in a power distribution cabinet/electrical cabinet in a pluggable mode, and the installation of the data acquisition device is convenient. Fig. 4 is a schematic side view of the mounting member 108, which includes a first clamping portion 108b having a first jaw 108b1 at its end, a second clamping portion 108c having a second jaw 108c1 at its end, the first jaw 108b 1/second jaw 108c1 for clamping the side of the guide rail after being mounted on the guide rail, so as to improve the mounting reliability, and an elastic member 108a disposed at a side of the second clamping portion 108c, so that the elastic member abuts against the contact area of the guide rail after being mounted on the guide rail; and a mounting hole 108d through which the mounting member 108 is fixed to the body of the data acquisition device. In the embodiment, the body 101 of the data acquisition device is made of aluminum alloy, so that the weight of the body is reduced. In other embodiments, the body of the data acquisition device is made of engineering plastics to reduce the weight of the body. The third network interface 104 can be an RJ45 port, the fourth port 105 can be a USB port, a mini USB port, a Type-C port, etc., and such design enables the operation and maintenance personnel to obtain data of the data acquisition device through the fourth port 105 on site. The body of the data acquisition device is internally provided with a power module 11, a monitoring module 12, a control module 13, a communication module 14, an indication module 15 and a Bluetooth module 16; the operation of which is described with reference to the embodiment of fig. 1. Preferably, the mounting member is disposed in a central region of the end surface of the body. The data acquisition device body is in a square shape or a rectangular box shape.

In other embodiments, the data acquisition device is equipped with a memory unit for storing information detected by the data acquisition device.

Fig. 5 is a schematic diagram illustrating the connection between the data acquisition device and the server. The data acquisition device samples the connected electrical equipment in real time, such as the running condition of an inverter and the working voltage and current information of a photovoltaic cell assembly. The data acquisition device transmits acquired information to the control module, the control module transmits processed information to the communication module, and the processed information is transmitted to the local/(remote) server through the communication module. In other embodiments, the communication module is connected to a router, and is connected to a local server and/or a (remote) server via the router. Therefore, maintenance personnel can timely and accurately obtain the operation information of the electrical equipment according to the returned information, exception handling can be rapidly carried out, and maintenance cost is reduced.

It should be noted that, in the following description,

the server mentioned in the above scheme can be a remote server or a cloud server, and a user or a monitoring person is connected with the server through a computer to remotely monitor the running state of the photovoltaic power generation system. The operation state of the photovoltaic power generation system can also be remotely monitored by connecting a user or a monitoring person with the server through intelligent equipment (such as a mobile phone, a portable intelligent device such as a PAD and the like).

By the implementation scheme provided by the application, the voltage information and the current information of the photovoltaic cell assembly in the photovoltaic power generation system can be realized; information such as temperature, power, generated energy and the like of the inverter is acquired and transmitted remotely, so that the photovoltaic power generation system is monitored in real time. Meanwhile, the voltage and frequency information of the power grid can be sampled, and the phase-locked loop is abnormal. If the abnormal condition is detected, the abnormal condition is timely processed, and the utilization rate of the photovoltaic power generation system is improved to the maximum extent.

In one embodiment, the data acquisition device includes a standby power supply in the body, the standby power supply is electrically connected to the electric quantity metering module and the communication module respectively for providing electric energy, and the standby power supply works when the commercial power is cut off.

In one embodiment, a plurality of components may be used to realize a plurality of functions of one component in the above embodiments, or a plurality of components may be used to realize one function of one component. Further, a plurality of functions included in a plurality of components may be realized by one component, or one function realized by a plurality of components may be realized by one component. In addition, a part of the structure of the above embodiment may be omitted. At least a part of the above-described embodiment may be added to or replaced with the structure of the other above-described embodiment. In addition, all aspects included in the technical idea defined only by the expression described in the claims are embodiments of the present invention.

According to the utility model discloses a data acquisition device can be miniaturized electronic circuit equipment, can hang and attach in the guide rail of switch board on, hangs and attaches in consumer department, does not have any influence to the operation of monitored object. The method can be applied to various monitoring scenes. Because data acquisition device's collection module can be connected in data acquisition device with the detachable mode, cup joint in the cable that waits the consumer connection power consumption of sampling, collection unit (also called the sampling module sometimes) can portably hang and attach to the measured object external, and it is simple not influence other equipment fixing, and data acquisition device accessible wireless communication module is connected and is sent data with the server establishment of being connected, and data acquisition device no longer receives the space restriction.

The data acquisition device is also called a multi-channel cloud data acquisition device for a photovoltaic power generation system. The communication module is also referred to as a communication module.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A data acquisition device, comprising

An antenna component which is arranged on one end face of the tetragonal body in a pluggable way;

an indication module, which comprises a plurality of indication lamps,

a power interface for electrically connecting the power supply part;

and a second end surface opposite to the first end surface of the body, which is provided with a mounting part, a connecting guide rail which can be plugged in and pulled out, wherein the mounting part comprises an elastic part used for clamping the guide rail after the guide rail is connected.

2. The data acquisition device as in claim 1, wherein the network interface comprises a first network interface, a second network interface, a third network interface, and a fourth port.

3. The data acquisition device as in claim 2, wherein the fourth port comprises one of a USB port, a miniUSB port, and a Type-C port.

4. The data acquisition device as claimed in claim 1, wherein the mounting member comprises a first clamping portion having a first jaw at a distal end thereof, a second clamping portion having a second jaw at a distal end thereof, and the first/second jaws are adapted to be mounted to the guide rail and then to be caught at a side surface of the guide rail.

5. The data acquisition device as in claim 4, wherein the resilient member comprises a spring disposed on a side of the second clamping portion.

6. The data acquisition device of claim 1 wherein the mounting member is disposed at a central region of the second end face.

7. The data acquisition device as claimed in claim 1, wherein the body of the data acquisition device comprises a power module, a monitoring module, a control module, a communication module, an indication module and a Bluetooth module; when the data acquisition device works, the power supply module provides power to the monitoring module, the control module, the communication module and the indicating module; the monitoring module samples the electrical equipment connected with the monitoring module in real time and feeds back the sampled information to the control module; the control module processes information fed back by the monitoring module, part of the content is displayed by the indicating module, and the control module transmits the processed information to the server or the connected intelligent equipment through the communication module or the Bluetooth module.

8. The data acquisition device as in claim 1, wherein the network interface is connected to one end of a network cable, and the other end of the network cable is connected to the server.

9. The data acquisition device as claimed in claim 1, wherein the body comprises a backup power source, the backup power source comprises a rechargeable battery, and the backup power source is electrically connected to the monitoring module, the control module, the communication module, the indication module and the bluetooth module respectively for providing electric energy.

10. The data acquisition device of claim 1 wherein the body further comprises a port for mounting a communications antenna.