CN216216082U

CN216216082U - Comprehensive measurement and control device for box transformer substation

Info

Publication number: CN216216082U
Application number: CN202122682465.8U
Authority: CN
Inventors: 周文彬
Original assignee: Zhejiang Kezi Electric Power Technology Co ltd
Current assignee: Zhejiang Kezi Electric Power Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a box transformer comprehensive measurement and control device which comprises a microcomputer main box body and an outer protective shell and is characterized in that the outer protective shell is arranged on the outer side of the microcomputer main box body, an isolation layer is arranged between the microcomputer main box body and the outer protective shell, an outer display screen is fixedly embedded on one side of the surface of the outer protective shell, operation panels embedded on the surface of the outer protective shell are arranged on two sides of the outer display screen, a warning long lamp embedded on the surface of the outer protective shell is arranged at the top end of the outer display screen, connecting plates are fixedly welded on two sides of one end of the outer protective shell, and positioning through holes are formed in corresponding positions of two connecting plates located at adjacent positions. According to the comprehensive measurement and control device for the box transformer substation, various detection electric elements are concentrated between the outer protective shell and the microcomputer main box body, damage caused by external force impact on an inner microcomputer is avoided, synchronous detection on temperature and circuits during microcomputer operation is achieved, and coordination difficulty of products in operation, debugging and maintenance is reduced.

Description

Comprehensive measurement and control device for box transformer substation

Technical Field

The utility model relates to the field of microcomputer measurement and control, in particular to a comprehensive measurement and control device for a box transformer substation.

Background

Traditional wind power or photovoltaic power stations adopt decentralized equipment such as PLC, lightning protection module, PT, current transducer, voltage transducer etc. to accomplish functions such as protection, measurement and control and information upload to the transformer. Due to the adoption of various auxiliary devices, the whole system has more wiring fault points and relatively higher debugging, running and maintaining difficulties. And meanwhile, equipment of a plurality of manufacturers is involved, so that the coordination difficulty of the product in operation, debugging and maintenance is high.

Therefore, the comprehensive box transformer measurement and control device is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a comprehensive measurement and control device for a box transformer, which comprises a microcomputer main box body and an outer protective shell, wherein the outer protective shell is arranged on the outer side of the microcomputer main box body, an isolating layer is arranged between the microcomputer main box body and the outer protective shell, an outer display screen is fixedly embedded on one side of the surface of the outer protective shell, operation panels embedded on the surface of the outer protective shell are arranged on two sides of the outer display screen, a warning long lamp embedded on the surface of the outer protective shell is arranged at the top end of the outer display screen, connecting plates are fixedly welded on two sides of one end of the outer protective shell, and positioning through holes are formed in corresponding positions of the two connecting plates located at adjacent positions.

As a preferred technical scheme of the utility model, the outer protective shell is made of an aluminum alloy case, and the manufacturing standard of the outer protective shell is 4U half-layer standard.

As a preferred technical scheme of the utility model, a plurality of groups of sponge shock-absorbing strips and a plurality of groups of electric appliance clamping buckles are filled on the inner side of the isolation layer, and the plurality of groups of sponge shock-absorbing strips are uniformly and equidistantly distributed in the isolation layer.

As a preferred technical solution of the present invention, an integrated processor is fixed at the top end inside the isolation layer, the integrated processor is a 32-bit processor, and the integrated processor is electrically connected to the outer display screen through a wire.

As a preferred technical scheme of the utility model, two sides of the isolation layer are connected with a detection electric element and a remote control signal transceiver in a clamping and buckling manner through the electric appliance clamping buckle, and the detection electric element comprises a temperature measuring probe, an AD sampling chip, a relay group and a circuit detection chip.

As a preferable technical solution of the present invention, the sampling frequency of the AD sampling chip is 64-point sampling per cycle, and the relay group includes nine sets of relays for outputting simultaneously.

As a preferred technical scheme of the utility model, a circuit protector is connected in the isolation layer in a clamping and buckling manner through an electric appliance, one end of the circuit protector is electrically connected with the main box body of the microcomputer through a lead, and the circuit protector comprises three-section type overcurrent protection, zero-sequence overcurrent protection, non-electric quantity protection, overvoltage protection, undervoltage protection and PT disconnection protection.

The utility model has the beneficial effects that:

1. this measurement and control device is synthesized to case becomes, outer protecting crust adopt 4U half-layer standard aluminum alloy machine case to make, avoid inside computer to receive external impact and produce the damage, cooperate the shock attenuation effect of sponge shock attenuation strip simultaneously, effectively improved the guard action of outer protecting crust to inside computer.

2. According to the comprehensive measurement and control device for the box transformer substation, multiple detection electric elements are arranged in the isolation layer, real-time detection is carried out on the temperature and the circuit environment of a microcomputer when the microcomputer works, and the detection result is directly displayed through the display screen, so that the working process of the microcomputer is conveniently and visually connected, and the coordination difficulty of products in commissioning, debugging and maintenance is reduced;

3. this measurement and control device is synthesized to case becomes sends the detected signal through remote control signal transceiver, and can realize the remote control to the test section through changing signal transceiver, has improved the practicality of device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an overall schematic diagram of a comprehensive measurement and control device for a box transformer substation according to the present invention;

FIG. 2 is a schematic plan view of a comprehensive measurement and control device for a box transformer substation according to the present invention;

fig. 3 is a schematic view of a measurement and control system of the integrated measurement and control device for the box transformer substation.

In the figure:

1. a microcomputer main box body;

2. an outer protective shell;

3. an isolation layer; 301. a sponge shock-absorbing strip; 302. an electric appliance clamping buckle; 3021. a circuit protector; 303. an integrated processor; 304. a detection electric element; 3041. a temperature measuring probe; 3042. an AD sampling chip; 3043. a relay group; 3044. a circuit detection chip; 305. a remote control signal transceiver;

4. an external display screen;

5. an operation panel;

6. a long warning lamp;

7. a connecting plate;

8. the perforation is positioned.

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 described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the comprehensive measurement and control device for box transformer substation comprises a microcomputer main box body 1 and an outer protective shell 2, wherein the outer protective shell 2 is arranged outside the microcomputer main box body 1, an isolation layer 3 is arranged between the microcomputer main box body 1 and the outer protective shell 2, an outer display screen 4 is fixedly embedded in one side of the surface of the outer protective shell 2, operation panels 5 embedded in the surface of the outer protective shell 2 are arranged on two sides of the outer display screen 4, a long warning lamp 6 embedded in the surface of the outer protective shell 2 is arranged at the top end of the outer display screen 4, connecting plates 7 are fixedly welded on two sides of one end of the outer protective shell 2, and positioning through holes 8 are formed in corresponding positions of the two connecting plates 7 located at adjacent positions.

The outer protective shell 2 is made of an aluminum alloy case, the making standard of the outer protective shell 2 is a 4U half-layer standard, and the aluminum alloy case made of the 4U half-layer standard improves the surface hardness of the outer protective shell 2 and reduces the probability that the inner microcomputer main case body 1 is impacted.

Wherein, the inboard packing of isolation layer 3 has a plurality of sponge shock-absorbing strips 301 and a plurality of group's electrical apparatus screens to detain 302, and the even equidistance of a plurality of groups sponge shock-absorbing strips 301 is laid in the inside of isolation layer 3, sponge shock-absorbing strip 301 can prevent effectively that computer owner box 1 from rocking inside the outer protective housing 2 on the one hand, has maintained the volume of isolation layer 3, and on the other hand is convenient for at the 3 internally mounted various detecting element of isolation layer, and the monitoring element detains 302 through the electrical apparatus screens and carries out the screens.

Wherein, the inside top of isolation layer 3 is fixed with integrated processor 303, and integrated processor 303 is 32 bit processors, and integrated processor 303 passes through wire and outer display screen 4 electric connection, and 32 bit integrated processor 303 centralized processing monitoring model to direct display is carried out through outer display screen 4, and convenient to use person directly judges whether microcomputer main tank 1 is in the state of normal operating.

The two sides of the isolation layer 3 are connected with a detection electric element 304 and a remote control signal transceiver 305 through an electric appliance clamping buckle 302 in a clamping manner, the detection electric element 304 comprises a temperature measuring probe 3041, an AD sampling chip 3042, a relay group 3043 and a circuit detection chip 3044, and the temperature measuring probe 3041, the AD sampling chip 3042, the relay group 3043 and the circuit detection chip 3044 are used for sequentially measuring the temperature and the circuit environment of the microcomputer main box body 1 during working, so that whether the microcomputer main box body 1 is in a normal working environment or not can be directly judged according to a detection result, and the remote control signal transceiver 305 is used for receiving detection signals of internal elements of the microcomputer and carrying out remote control.

The sampling frequency of the AD sampling chip 3042 is 64-point sampling per cycle, and the relay group 3043 includes nine groups of relays for simultaneous output.

The isolation layer 3 is connected with a circuit protector 3021 through an electric appliance clamping buckle 302 in a clamping manner, one end of the circuit protector 3021 is electrically connected with the main microcomputer box 1 through a wire, the circuit protector 3021 comprises three-section type overcurrent protection, zero-sequence overcurrent protection, non-electric quantity protection, overvoltage protection, under-voltage protection and PT wire breakage protection, multiple protection of the main microcomputer box 1 is achieved through the circuit protector 3021, and a protection function is automatically triggered when any one of the three-section type overcurrent, zero-sequence overcurrent, non-electric quantity, overvoltage, under-voltage and PT wire breakage is triggered.

The working principle is as follows: the comprehensive measurement and control device for the box transformer substation is different from the prior art, has a reasonable structure, is convenient to use and simple to operate, and can enable a user to simply and clearly understand the working principle;

when the microcomputer works, the microcomputer is connected into a circuit and works normally, then the circuit sequentially passes through the detection electric element 304 and the integrated processor 303 through a conducting circuit, in the process, the temperature measuring probe 3041 detects the internal environment temperature, nine relays in the relay group 3043 synchronously output, the circuit detection chip 3044 detects the current and voltage values of the circuit passing through the microcomputer, the AD sampling chip 3042 samples at the rate of 64-point sampling per cycle, finally all detected signals are transmitted to the integrated processor 303, the integrated processor 303 synchronizes the signals with a remote control end through the remote control signal transceiver 305 to realize the remote receiving of the detected signals and the remote control operation of the device, the integrated processor 303 can visually embody the monitored data through the external display screen 4, and meanwhile, when three-section type overcurrent, zero-sequence overcurrent and non-electricity quantity are triggered, The protection function of the circuit protector 3021 is automatically triggered under any condition of overvoltage, undervoltage and PT disconnection, so that the microcomputer main box body 1 and the whole device are protected, the working environment of a microcomputer is conveniently detected in real time, and the coordination difficulty of products in operation, debugging and maintenance is reduced.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A comprehensive measurement and control device for a box transformer substation comprises a microcomputer main box body (1) and an outer protective shell (2), it is characterized in that the outer protective shell (2) is arranged on the outer side of the microcomputer main box body (1), and an isolating layer (3) is arranged between the microcomputer main box body (1) and the outer protective shell (2), an outer display screen (4) is fixedly embedded at one side of the surface of the outer protective shell (2), both sides of the outer display screen (4) are provided with operating panels (5) embedded on the surface of the outer protective shell (2), the top end of the outer display screen (4) is provided with a long warning lamp (6) embedded on the surface of the outer protective shell (2), the two sides of one end of the outer protective shell (2) are fixedly welded with connecting plates (7), and two corresponding positions of the connecting plates (7) which are located at adjacent positions are provided with positioning through holes (8).

2. The box transformer substation comprehensive measurement and control device according to claim 1, wherein the outer protective shell (2) is made of an aluminum alloy case, and the manufacturing standard of the outer protective shell (2) is a 4U half-layer standard.

3. The box transformer substation comprehensive measurement and control device according to claim 1, wherein a plurality of groups of sponge shock-absorbing strips (301) and a plurality of groups of electric device clamping buckles (302) are filled in the inner side of the isolation layer (3), and the plurality of groups of sponge shock-absorbing strips (301) are uniformly and equidistantly arranged in the isolation layer (3).

4. The box transformer substation comprehensive measurement and control device according to claim 1, wherein an integrated processor (303) is fixed at the top end of the inside of the isolation layer (3), the integrated processor (303) is a 32-bit processor, and the integrated processor (303) is electrically connected with the outer display screen (4) through a wire.

5. The box transformer substation comprehensive measurement and control device according to claim 3, wherein two sides of the isolation layer (3) are connected with a detection electric element (304) and a remote control signal transceiver (305) through the electric appliance clamping buckle (302) in a clamping manner, and the detection electric element (304) comprises a temperature measuring probe (3041), an AD sampling chip (3042), a relay group (3043) and a circuit detection chip (3044).

6. The comprehensive measurement and control device of a box transformer substation of claim 5, wherein the sampling frequency of the AD sampling chip (3042) is 64-point sampling per cycle, and the relay group (3043) comprises nine sets of relays for simultaneous output.

7. A box transformer substation comprehensive measurement and control device according to claim 3, wherein a circuit protector (3021) is connected inside the isolation layer (3) through an electrical device clamping buckle (302) in a clamping manner, one end of the circuit protector (3021) is electrically connected with the microcomputer main box body (1) through a wire, and the circuit protector (3021) comprises three-stage overcurrent protection, zero-sequence overcurrent protection, non-electrical-quantity protection, overvoltage protection, undervoltage protection and PT disconnection protection.