Distributed photovoltaic operation electric energy storage quality monitoring system

By introducing a multi-motor mechanical linkage device into the distributed photovoltaic operational energy memory quality monitoring system, automatic adjustment of the monitoring position is solved, and the problem of difficulty in adjusting the monitoring position in the existing system is improved, and the accuracy and reliability of monitoring are improved.

CN222319010UActive Publication Date: 2025-01-07ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID QINGHAI ELECTRIC POWER COMPANY
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Patent Information

Application Number
CN202420840182.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-01-07
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The existing distributed photovoltaic operating electrical energy memory quality monitoring system cannot adjust the monitoring position, resulting in high accidentality and low accuracy of monitoring.

Method used

A monitoring system including multiple motors and mechanical linkage devices is designed, and the up and down movement of the rectangular mounting shell is adjusted by the first motor, the horizontal position of the monitoring plug is adjusted by the second motor, and the length of the monitoring line is adjusted by the third motor to realize monitoring. Automatic position adjustment.

Benefits of technology

It realizes flexible monitoring of the power quality of distributed photovoltaic operating electric energy storage, and improves the accuracy and reliability of monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a distributed photovoltaic operation electric energy storage device quality monitoring system, and specifically relates to the quality monitoring field, the system comprises a monitoring device housing, the front end is symmetrically provided with two strip-shaped installation ports parallel to the vertical direction, and the lower end of the monitoring device housing is fixedly provided with four universal wheels in a rectangular array; the rear end part of the monitoring mechanism is fixedly mounted in the monitoring device shell, and the front end of the monitoring mechanism penetrates through the strip-shaped mounting port and extends to the front side of the monitoring device shell; wherein the monitoring mechanism comprises a first motor and a quality monitoring system equipment body, and the first motor is fixedly installed on the top end face in the monitoring device shell. According to the utility model, the monitoring position can be conveniently and automatically adjusted, and the defects that the monitoring position of the existing monitoring system is difficult to adjust, and the electric energy quality of the whole system can be monitored only by fixing the position of the distributed photovoltaic operation electric energy storage, so that the monitoring contingency is large, and the accuracy is low are overcome.
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Description

Technical Field

[0001] The utility model relates to the field of quality monitoring, in particular to a distributed photovoltaic operation electric energy storage quality monitoring system. Background Art

[0002] The distributed photovoltaic operation power storage quality monitoring system is a device for monitoring and analyzing the power quality of distributed photovoltaic operation power storage. However, the existing distributed photovoltaic operation power storage quality monitoring system has the following problems:

[0003] The existing monitoring system is difficult to adjust the monitoring position, and can only monitor the power quality of the entire system at a fixed position of the distributed photovoltaic operating power storage, which leads to greater randomness in monitoring and lower accuracy.

[0004] Therefore, we make improvements to this and propose a distributed photovoltaic operation energy storage quality monitoring system. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a distributed photovoltaic operation electric energy storage quality monitoring system, comprising:

[0007] The monitoring device housing has two symmetrical strip-shaped installation openings arranged parallel to the vertical direction at the front end, and four universal wheels are fixedly installed in a rectangular array at the lower end of the monitoring device housing;

[0008] The monitoring mechanism has a rear end fixedly mounted inside the housing of the monitoring device, and a front end of the monitoring mechanism passes through the strip-shaped mounting opening and extends to the front side of the housing of the monitoring device;

[0009] The monitoring mechanism includes a first motor and a quality monitoring system equipment body. The first motor is fixedly mounted on the top surface of the inner shell of the monitoring device. The lower end of the output shaft of the first motor is mechanically linked with two vertical screws, and the two vertical screws are symmetrically arranged on the left and right sides of the first motor.

[0010] The upper and lower ends of the vertical screw are rotatably connected to the upper and lower end surfaces inside the housing of the monitoring device, respectively. A lifting nut block is threadedly sleeved on the vertical screw. The front ends of the two lifting nut blocks respectively penetrate the two strip-shaped installation openings and extend to the front side of the housing of the monitoring device, and are fixedly connected with a lifting drive plate. The two lifting drive plates are symmetrically fixedly installed on the rear end surface of the first rectangular installation shell. The front end of the first rectangular installation shell is open, and a rectangular drive block is installed in the first rectangular installation shell.

[0011] The quality monitoring system equipment body is fixedly installed on the bottom end surface inside the monitoring device shell, and a monitoring line is installed on the quality monitoring system equipment body. The other end of the monitoring line passes through the rear end of the first rectangular mounting shell and the rectangular drive block, and extends to the front end of the rectangular drive block, and is fixedly connected with a monitoring plug.

[0012] As a preferred technical solution of the utility model, the rear end surface of the first rectangular installation shell is slidably fitted with the front end surface of the monitoring device housing along the vertical direction.

[0013] As a preferred technical solution of the utility model, a second motor is fixedly installed on the left wall surface inside the first rectangular mounting shell, a horizontal screw is fixedly connected to the right end of the second motor output shaft, and the rectangular drive block is threadedly mounted on the horizontal screw.

[0014] As a preferred technical solution of the utility model, a second rectangular mounting shell is fixedly installed on the upper end of the quality monitoring system equipment body, the front end of the second rectangular mounting shell is open, and a third motor is fixedly installed on the left wall surface inside the second rectangular mounting shell. The right end of the output shaft of the third motor passes through the left end surface of the second rectangular mounting shell and is fixedly connected to a winding shaft. The other end of the winding shaft is rotatably connected to the right end surface inside the second rectangular mounting shell. A winding drum is fixedly mounted on the winding shaft, and the middle position of the monitoring line is wound around the winding drum.

[0015] As a preferred technical solution of the utility model, a first sprocket is fixedly mounted on the output shaft of the first motor, and second sprockets are fixedly mounted on the tops of the two vertical screw rods. The first sprocket and the two second sprockets are connected in sequence by chains.

[0016] As a preferred technical solution of the utility model, the quality monitoring system equipment body is electrically connected to the monitoring line, and the monitoring line is electrically connected to the monitoring plug.

[0017] As a preferred technical solution of the utility model, a positioning shell is fixedly installed at the front end of the rectangular driving block, the front end of the monitoring plug passes through the front end of the positioning shell, and the monitoring plug is detachably fixedly connected to the positioning shell through a top screw.

[0018] The beneficial effects of the utility model are as follows: the distributed photovoltaic operation electric energy storage quality monitoring system can place the first rectangular installation shell into the distributed photovoltaic operation electric energy storage, and by starting the first motor, the first rectangular installation shell can be driven to move up and down, thereby automatically adjusting the monitoring plug monitoring installation height; by starting the second motor, the second motor can drive the monitoring plug to move horizontally, and the horizontal position of the monitoring head can be automatically adjusted. When adjusting the position of the monitoring head, it is necessary to start the third motor, and the third motor can drive the winding drum to rotate. The rotating winding drum can reel in and unwind the monitoring line, thereby meeting the demand for the length of the monitoring line when the position of the monitoring head is adjusted. Through the above design, it is convenient to automatically adjust the monitoring position, which solves the problem that the monitoring position of the existing monitoring system is difficult to adjust, and can only monitor the power quality of the entire system at a fixed position of the distributed photovoltaic operation electric energy storage, thereby resulting in greater monitoring randomness and lower accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a structural schematic diagram of a distributed photovoltaic operation electric energy storage quality monitoring system of the utility model;

[0021] Figure 2 It is a structural schematic diagram of a monitoring mechanism in a distributed photovoltaic operation electric energy storage quality monitoring system of the utility model;

[0022] Figure 3 The utility model is a partial structural schematic diagram of a monitoring mechanism in a distributed photovoltaic operation electric energy storage quality monitoring system.

[0023] In the figure: 1. Monitoring device housing; 2. Monitoring mechanism; 3. Strip installation opening; 4. Universal wheel;

[0024] 201. First rectangular mounting shell; 202. Monitoring plug; 203. Positioning shell; 204. Rectangular drive block; 205. Monitoring line; 206. Winding drum; 207. Second rectangular mounting shell; 208. First motor; 209. Chain; 210. Lifting nut block; 211. Vertical screw; 212. Lifting drive plate; 213. Second motor; 214. Horizontal screw; 215. Winding shaft; 216. Third motor; 217. Quality monitoring system equipment body. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] Example: Figure 1-3 As shown, the utility model provides a distributed photovoltaic operation electric energy storage quality monitoring system, comprising:

[0027] The monitoring device housing 1 has two strip-shaped installation openings 3 symmetrically arranged in parallel with the vertical direction at the front end, and four universal wheels 4 are fixedly installed in a rectangular array at the lower end of the monitoring device housing 1;

[0028] The rear end of the monitoring mechanism 2 is fixedly mounted inside the monitoring device housing 1, and the front end of the monitoring mechanism 2 passes through the strip-shaped mounting opening 3 and extends to the front side of the monitoring device housing 1;

[0029] The monitoring mechanism 2 includes a first motor 208 and a quality monitoring system device body 217. The first motor 208 is fixedly mounted on the top surface of the inner side of the monitoring device housing 1. The lower end of the output shaft of the first motor 208 is mechanically linked with two vertical screws 211, and the two vertical screws 211 are symmetrically arranged on the left and right sides of the first motor 208.

[0030] The upper and lower ends of the vertical screw 211 are rotatably connected to the upper and lower end surfaces inside the monitoring device housing 1, respectively. A lifting nut block 210 is threadedly sleeved on the vertical screw 211. The front ends of the two lifting nut blocks 210 respectively penetrate the two strip-shaped installation openings 3 and extend to the front side of the monitoring device housing 1, and are fixedly connected with a lifting drive plate 212. The two lifting drive plates 212 are symmetrically fixedly installed on the rear end surface of the first rectangular installation shell 201. The front end of the first rectangular installation shell 201 is open, and a rectangular drive block 204 is installed in the first rectangular installation shell 201.

[0031] The quality monitoring system equipment body 217 is fixedly installed on the bottom end surface inside the monitoring device housing 1, and a monitoring line 205 is installed on the quality monitoring system equipment body 217. The other end of the monitoring line 205 passes through the rear end of the first rectangular mounting shell 201 and the rectangular driving block 204, and extends to the front end of the rectangular driving block 204, and is fixedly connected with a monitoring plug 202.

[0032] In this embodiment, Figure 2-3 As shown, the rear end face of the first rectangular mounting shell 201 and the front end face of the monitoring device housing 1 are slidably fitted in the vertical direction. The sliding fitting design can improve the ability of the first rectangular mounting shell 201 to be stably driven in the vertical direction. The first motor 208 has a first sprocket fixedly mounted on the output shaft, and the tops of the two vertical screws 211 are both fixedly mounted with second sprockets. The first sprocket and the two second sprockets are connected in sequence via a chain 209.

[0033] By starting the first motor 208, the first motor 208 can drive the vertical screw 211 to rotate through the first sprocket, the second sprocket and the chain 209. The rotating vertical screw 211 can drive the lifting nut block 210 to be stably driven in the vertical direction, thereby driving the first rectangular mounting shell 201 to be stably driven in the vertical direction.

[0034] A second motor 213 is fixedly mounted on the left inner wall of the first rectangular mounting shell 201 . A horizontal screw rod 214 is fixedly connected to the right end of the output shaft of the second motor 213 . The rectangular driving block 204 is threadedly mounted on the horizontal screw rod 214 .

[0035] By driving the second motor 213 , the second motor 213 drives the horizontal screw rod 214 to rotate, thereby driving the rectangular driving block 204 to be stably driven in the horizontal direction.

[0036] A second rectangular mounting shell 207 is fixedly installed on the upper end of the quality monitoring system equipment body 217, and the front end of the second rectangular mounting shell 207 is open. A third motor 216 is fixedly installed on the left wall inside the second rectangular mounting shell 207. The right end of the output shaft of the third motor 216 passes through the left end surface of the second rectangular mounting shell 207 and is fixedly connected to a winding shaft 215. The other end of the winding shaft 215 is rotatably connected to the right end surface inside the second rectangular mounting shell 207. A winding drum 206 is fixedly mounted on the winding shaft 215, and the middle position of the monitoring line 205 is wound around the winding drum 206.

[0037] By starting the third motor 216 , the third motor 216 can drive the winding shaft 215 to rotate, and the rotating winding shaft 215 can drive the winding drum 206 to rotate, and the rotating winding drum 206 can reel up the monitoring line 205 .

[0038] The quality monitoring system equipment body 217 is electrically connected to the monitoring line 205 , and the monitoring line 205 is electrically connected to the monitoring plug 202 .

[0039] A positioning shell 203 is fixedly installed at the front end of the rectangular driving block 204 , and the front end of the monitoring plug 202 passes through the front end of the positioning shell 203 . The monitoring plug 202 is detachably fixedly connected to the positioning shell 203 via a top screw.

[0040] The monitoring plug 202 can be fixed by tightening the top screw.

[0041] When working, the first rectangular installation shell 201 can be placed in the distributed photovoltaic operation power storage device, and the first rectangular installation shell 201 can be driven to move up and down by starting the first motor 208, so that the monitoring installation height of the monitoring plug 202 can be automatically adjusted;

[0042] By starting the second motor 213, the second motor 213 can drive the monitoring plug 202 to move horizontally, and the horizontal position of the monitoring head can be automatically adjusted.

[0043] When adjusting the position of the monitoring head, the third motor 216 needs to be started. The third motor 216 can drive the winding drum 206 to rotate. The rotating winding drum 206 can reel in and unreel the monitoring line 205, thereby meeting the requirement for the length of the monitoring line 205 when the position of the monitoring head is adjusted.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A distributed photovoltaic operation power storage quality monitoring system, characterized in that: include: The monitoring device housing (1) has two strip-shaped installation openings (3) symmetrically arranged in parallel with the vertical direction at the front end, and four universal wheels (4) are fixedly installed in a rectangular array at the lower end of the monitoring device housing (1); The rear end of the monitoring mechanism (2) is fixedly mounted inside the monitoring device housing (1), and the front end of the monitoring mechanism (2) passes through the strip-shaped mounting opening (3) and extends to the front side of the monitoring device housing (1); The monitoring mechanism (2) comprises a first motor (208) and a quality monitoring system device body (217); the first motor (208) is fixedly mounted on the top surface of the inner side of the monitoring device housing (1); the lower end of the output shaft of the first motor (208) is mechanically linked with two vertical screws (211), and the two vertical screws (211) are symmetrically arranged on the left and right sides of the first motor (208); The upper and lower ends of the vertical screw rod (211) are rotatably connected to the upper and lower end surfaces inside the monitoring device housing (1), respectively; a lifting nut block (210) is threadedly sleeved on the vertical screw rod (211); the front ends of the two lifting nut blocks (210) respectively penetrate through the two strip-shaped installation openings (3) and extend to the front side of the monitoring device housing (1), and are fixedly connected to a lifting drive plate (212); the two lifting drive plates (212) are symmetrically fixedly installed on the rear end surface of the first rectangular installation shell (201); the front end of the first rectangular installation shell (201) is open, and a rectangular drive block (204) is installed in the first rectangular installation shell (201); The quality monitoring system equipment body (217) is fixedly mounted on the bottom end surface of the inner side of the monitoring device housing (1); a monitoring line (205) is mounted on the quality monitoring system equipment body (217); the other end of the monitoring line (205) passes through the rear end of the first rectangular mounting shell (201) and the rectangular driving block (204), and extends to the front end of the rectangular driving block (204), and is fixedly connected to a monitoring plug (202).

2. A distributed photovoltaic operation electric energy storage quality monitoring system according to claim 1, characterized in that: The rear end surface of the first rectangular installation shell (201) is slidably fitted with the front end surface of the monitoring device housing (1) in the vertical direction.

3. A distributed photovoltaic operation electric energy storage quality monitoring system according to claim 2, characterized in that: A second motor (213) is fixedly mounted on the left inner wall of the first rectangular mounting shell (201); a horizontal screw rod (214) is fixedly connected to the right end of the output shaft of the second motor (213); and the rectangular driving block (204) is threadedly mounted on the horizontal screw rod (214).

4. A distributed photovoltaic operation electric energy storage quality monitoring system according to claim 3, characterized in that: A second rectangular mounting shell (207) is fixedly mounted on the upper end of the quality monitoring system equipment body (217); the front end of the second rectangular mounting shell (207) is open; a third motor (216) is fixedly mounted on the left wall surface inside the second rectangular mounting shell (207); the right end of the output shaft of the third motor (216) passes through the left end surface of the second rectangular mounting shell (207) and is fixedly connected to a winding shaft (215); the other end of the winding shaft (215) is rotatably connected to the right end surface inside the second rectangular mounting shell (207); a winding drum (206) is fixedly mounted on the winding shaft (215); and the middle part of the monitoring line (205) is wound around the winding drum (206).

5. A distributed photovoltaic operation electric energy storage quality monitoring system according to claim 4, characterized in that: A first sprocket is fixedly mounted on the output shaft of the first motor (208), and a second sprocket is fixedly mounted on the top of each of the two vertical screw rods (211). The first sprocket and the two second sprockets are connected in sequence via a chain (209).

6. A distributed photovoltaic operation electric energy storage quality monitoring system according to claim 5, characterized in that: The quality monitoring system equipment body (217) is electrically connected to the monitoring line (205), and the monitoring line (205) is electrically connected to the monitoring plug (202).

7. A distributed photovoltaic operation electric energy storage quality monitoring system according to claim 6, characterized in that: A positioning shell (203) is fixedly mounted on the front end of the rectangular driving block (204); the front end of the monitoring plug (202) passes through the front end of the positioning shell (203); and the monitoring plug (202) is detachably fixedly connected to the positioning shell (203) via a top screw.

Citation Information

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