High-stability electric energy quality on-line monitoring device

Abstract

The invention belongs to the technical field of electric energy quality on-line monitoring devices, and particularly relates to a high-stability electric energy quality on-line monitoring device which comprises a machine shell, a flow guide dehumidification mechanism and a temperature regulation and control mechanism. The flow guide dehumidification mechanism is arranged on the outer side of the machine shell and used for conducting dehumidification and flow guide on air in the machine shell, the flow guide dehumidification mechanism comprises a flow guide box base, a pair of flow guide assemblies and a pair of adsorption dehumidification assemblies, the flow guide box base is fixedly arranged below the machine shell, and the pair of flow guide assemblies are symmetrically distributed on the two sides of the flow guide box base; the guide box base is used for conducting air between the machine shell and the guide box base. According to the high-stability electric energy quality on-line monitoring device disclosed by the invention, the temperature and humidity of the electric energy quality on-line monitoring device can be regulated and controlled by arranging the flow guide dehumidification mechanism and the temperature regulation and control mechanism, so that the adverse influence of environmental factors on the electric energy quality on the electric energy quality on the on-line monitoring device is greatly reduced; and the operation reliability of the electric energy quality on-line monitoring device is obviously improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of power quality online monitoring devices, and particularly relates to a high-stability power quality online monitoring device. BACKGROUND

[0002] The power quality online monitoring device is a device for monitoring the state of power grid power, mainly including two parts of transient power online monitoring and transient fault recording, and is used for power grid power detection and power grid transient fault recording analysis, and is usually composed of a shell, various electrical elements and an online monitoring system.

[0003] At present, the factors affecting the operation stability of the common power quality online monitoring device mainly include environmental factors, hardware performance and electromagnetic interference, wherein the environmental temperature and humidity have a greater impact on the operation of the power quality online monitoring device, and the existing technology mainly adopts the mode of setting an exhaust fan to regulate and control the temperature and humidity of the power quality online monitoring device. Although this mode can regulate and control the temperature and humidity of the power quality online monitoring device to a certain extent, the regulation and control effect is limited, and the environmental temperature and humidity still have adverse effects on the operation of the power quality online monitoring device, so that the operation reliability of the power quality online monitoring device is poor.

[0004] Therefore, in view of the above technical problems, it is necessary to provide a high-stability power quality online monitoring device. SUMMARY

[0005] The application aims to provide a high-stability power quality online monitoring device which can improve the operation reliability of the power quality online monitoring device.

[0006] In order to achieve the above-mentioned purpose, the technical scheme provided by a specific embodiment of the application is as follows: A high-stability power quality online monitoring device, comprising: a shell, a flow guiding and dehumidifying mechanism and a temperature regulating mechanism.

[0007] The flow guiding and dehumidifying mechanism is arranged on the outer side of the shell and is used for dehumidifying and guiding the air in the shell, and the flow guiding and dehumidifying mechanism comprises a flow guiding box seat, a pair of flow guiding components and a pair of adsorption and dehumidifying components. The flow guiding box seat is fixedly arranged below the shell, the pair of flow guiding components are symmetrically distributed on the two sides of the flow guiding box seat and are used for air conduction of the shell and the flow guiding box seat, and the pair of adsorption and dehumidifying components are symmetrically arranged in the flow guiding box seat and are used for adsorption and dehumidification of the air.

[0008] The temperature regulating mechanism is fixedly arranged in the flow guiding box seat and is used for heating or refrigeration treatment of the air in the flow guiding box seat.

[0009] In one or more embodiments of the present application, the shell sealing arrangement is provided, and the protection effect of the shell on the electrical element is ensured by the shell sealing arrangement. The electrical element is arranged in the shell to realize online monitoring of electric energy and fault recording.

[0010] In one or more embodiments of the present application, the side of the shell is fixedly provided with a connection port, and the connection port is electrically connected with the electrical element. The external cable can be connected with the electrical element through the connection port, thereby providing an energy and signal transmission channel for the power quality online monitoring device. The shell is provided with a temperature and humidity sensor for monitoring the temperature and humidity in the shell.

[0011] In one or more embodiments of the present application, the bottom of the shell is provided with a ventilation air inlet. The temperature and humidity in the shell are regulated by the way of conveying dry cold air or hot air into the shell through the ventilation air inlet. The ventilation air inlet is fixedly provided with a dust filter screen. The dust filter screen filters the air flowing through the ventilation air inlet. The flow guide support pipe is fixedly connected between the flow guide box seat and the shell.

[0012] In one or more embodiments of the present application, the two ends of the flow guide support pipe are respectively communicated with the ventilation air inlet and the flow guide box seat, and the bottom of the flow guide box seat is integrally formed with a pair of fixed ear plates, and a fixed through hole is formed in each of the pair of fixed ear plates. The fixed ear plates are assembled and fixed by the fixed through holes, thereby achieving the purpose of fixing and limiting the flow guide box seat.

[0013] In one or more embodiments of the present application, the drainage assembly includes an air outlet pipe, a guide air pipe, an exhaust pipe and an exhaust fan. The air outlet pipe is fixedly assembled on the side of the shell and is communicated with the shell. The air in the shell can be discharged along the air outlet pipe, and the temperature and humidity in the shell are regulated by discharging and discharging the air in the shell.

[0014] In one or more embodiments of the present application, one end of the guide air pipe and the air outlet pipe located outside the shell is fixedly connected, and the other end of the exhaust pipe and the guide air pipe is communicated. The guide air pipe serves to connect the air outlet pipe and the exhaust pipe. The exhaust pipe is fixedly arranged on the side of the flow guide box seat, and the exhaust fan is fixedly arranged on one end of the exhaust pipe located in the flow guide box seat. The air in the shell is continuously conveyed into the flow guide box seat along the air outlet pipe, the guide air pipe and the exhaust pipe by controlling the operation of the exhaust fan.

[0015] In one or more embodiments of the present application, the adsorption dehumidification assembly includes a receiving screen, a plurality of porous dehumidification balls, a fixing plate and a plurality of positioning pins. The receiving screen is slidingly inserted into the air guide box seat. The receiving screen plays a role of receiving and storing the porous dehumidification balls. The plurality of porous dehumidification balls are filled in the receiving screen. The air delivered by the exhaust fan is filtered and dehumidified by the plurality of porous dehumidification balls. The fixing plate is fixedly connected to one end of the receiving screen outside the air guide box seat, and the plurality of positioning pins are fixedly arranged on one side of the fixing plate close to the shell.

[0016] In one or more embodiments of the present application, the temperature regulation mechanism includes a limiting flow guide, a plurality of turnover fixing plates, a plurality of groups of semiconductor refrigeration pieces, a driven gear, a synchronous gear belt, a driving gear and a turnover motor. The limiting flow guide is fixedly arranged in the air guide box seat. The limiting flow guide plays a role of limiting and guiding the air flow in the air guide box seat. The plurality of turnover fixing plates are rotatably arranged on both sides of the limiting flow guide. The turnover fixing plates play a role of assembling, fixing and turning over the semiconductor refrigeration pieces.

[0017] In one or more embodiments of the present application, the plurality of groups of semiconductor refrigeration pieces are fixedly attached to both sides of the plurality of turnover fixing plates. By controlling the operation of the semiconductor refrigeration pieces, the air in the air guide box seat can be heated or cooled. The driven gear is fixedly arranged at the bottom of the limiting flow guide, the synchronous gear belt is sleeved on the outside of the driven gear, the driving gear is arranged on the side of the synchronous gear belt away from the driven gear, the limiting flow guide is fixedly provided with a turnover motor, and the output shaft of the turnover motor is fixedly connected with the driving gear. Through the cooperation of the driven gear, the synchronous gear belt and the driving gear, the turnover fixing plates can be synchronously turned over with the rotation of the output shaft of the turnover motor.

[0018] Compared with the prior art, the high-stability power quality online monitoring device disclosed by the present application can regulate and control the temperature and humidity of the power quality online monitoring device by setting the air guiding and dehumidifying mechanism and the temperature regulation mechanism, greatly reduces the adverse effects of environmental factors on the power quality online monitoring device, and significantly improves the operation reliability of the power quality online monitoring device. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0020] Figure 1 It is a perspective view of the high-stability power quality online monitoring device in an embodiment of the present application. Figure 2 This is a second perspective view of a high-stability online power quality monitoring device according to an embodiment of the present invention; Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle; Figure 4 This is a front sectional view of a high-stability online power quality monitoring device according to an embodiment of the present invention; Figure 5 for Figure 4 Schematic diagram of the structure at point B; Figure 6 for Figure 4 Schematic diagram of the structure at point C; Figure 7 This is a third-angle perspective view of a high-stability online power quality monitoring device according to an embodiment of the present invention.

[0021] Explanation of key figure labels: 1-Housing, 2-Airflow dehumidification mechanism, 201-Airflow box base, 202-Dust filter, 203-Airflow support tube, 204-Fixing ear plate, 205-Outlet pipe, 206-Airflow guide pipe, 207-Exhaust pipe, 208-Exhaust fan, 209-Collection mesh plate, 210-Porous dehumidification bulb, 211-Fixing plate, 212-Positioning pin, 3-Temperature control mechanism, 301-Limiting airflow guide component, 302-Flipping fixing plate, 303-Semiconductor cooling chip, 304-Driven gear, 305-Synchronous gear belt, 306-Drive gear, 307-Flipping motor, 4-Electrical components, 5-Connection port, 6-Temperature and humidity sensor. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0023] like Figures 1 to 7 As shown, a high-stability online power quality monitoring device according to an embodiment of the present invention includes: a housing 1, a dehumidification mechanism 2, and a temperature control mechanism 3. In practical applications, the humidity of the housing 1 is controlled by the dehumidification mechanism 2 through adsorption and dehumidification of the air inside the housing 1. The temperature control mechanism 3 can control the temperature inside the housing 1, greatly reducing the adverse effects of environmental factors on the online power quality monitoring device.

[0024] Specifically, the casing 1 is sealed, and the protection effect of the casing 1 on the electrical element 4 is ensured by sealing the casing 1.

[0025] As shown in Figure 4 , the casing 1 is provided with an electrical element 4 for realizing online monitoring of electrical energy and fault recording.

[0026] As shown in Figure 7 , a connection port 5 is fixedly arranged on one side of the casing 1, and the connection port 5 is electrically connected with the electrical element 4. The external cable can be connected with the electrical element 4 through the connection port 5, so as to provide an energy and signal transmission channel for the power quality online monitoring device. A temperature and humidity sensor 6 is arranged in the casing 1 for monitoring the temperature and humidity in the casing 1.

[0027] As shown in Figures 2 to 5 , the flow guide and dehumidification mechanism 2 is arranged outside the casing 1 for dehumidifying and guiding the air in the casing 1. The flow guide and dehumidification mechanism 2 comprises a flow guide box seat 201, a pair of flow guide assemblies and a pair of adsorption and dehumidification assemblies, and the flow guide box seat 201 is fixedly arranged below the casing 1.

[0028] Among them, the bottom of the casing 1 is provided with a ventilation air inlet. The temperature and humidity inside the casing 1 is regulated by sending dry cold air or hot air into the casing 1 through the ventilation air inlet.

[0029] As shown in Figure 4 , a dust filter net 202 is fixedly arranged in the ventilation air inlet. The dust filter net 202 filters the dust of the air flowing through the ventilation air inlet.

[0030] As shown in Figure 4 , a flow guide support pipe 203 is fixedly connected between the flow guide box seat 201 and the casing 1. The two ends of the flow guide support pipe 203 are respectively communicated with the ventilation air inlet and the flow guide box seat 201. The air is sent into the casing 1 through the flow guide support pipe 203, so as to regulate the temperature and humidity in the casing 1.

[0031] As shown in Figures 2 to 3 , a pair of fixed lugs 204 are integrally formed at the bottom of the flow guide box seat 201, and a fixed through hole is formed in each of the fixed lugs 204. The fixed lugs 204 are assembled and fixed by the fixed through holes, so as to realize the purpose of fixing and limiting the flow guide box seat 201.

[0032] As shown in Figures 1 to 4As shown, a pair of drainage components are symmetrically distributed on both sides of the flow guide box seat 201, for air conduction of the casing 1 and the flow guide box seat 201, and the drainage components include an air outlet pipe 205, a guide air pipe 206, an exhaust pipe 207 and an exhaust fan 208. The air outlet pipe 205 is fixedly assembled on the side of the casing 1, and is in communication with the casing 1. The air in the casing 1 can be discharged along the air outlet pipe 205, and the temperature and humidity in the casing 1 are controlled by discharging and discharging the air in the casing 1.

[0033] As shown in Figures 1 to 4 , the guide air pipe 206 is fixedly connected with the end of the air outlet pipe 205 outside the casing 1, and the exhaust pipe 207 is in communication with the other end of the guide air pipe 206. The guide air pipe 206 serves to connect the air outlet pipe 205 and the exhaust pipe 207. The exhaust pipe 207 is fixedly arranged on the side of the flow guide box seat 201, and the exhaust fan 208 is fixedly arranged on the end of the exhaust pipe 207 inside the flow guide box seat 201. By controlling the operation of the exhaust fan 208, the air in the casing 1 is continuously transported along the air outlet pipe 205, the guide air pipe 206 and the exhaust pipe 207 into the flow guide box seat 201.

[0034] As shown in Figures 4 to 5 , a pair of adsorption and dehumidification components are symmetrically arranged in the flow guide box seat 201, for adsorption and dehumidification of air. The adsorption and dehumidification components include a receiving mesh plate 209, a plurality of porous dehumidification balls 210, a fixed plate 211 and a plurality of positioning pins 212.

[0035] As shown in Figures 4 to 5 , the receiving mesh plate 209 is slidably inserted into the flow guide box seat 201. The receiving mesh plate 209 serves to store the porous dehumidification balls 210. The plurality of porous dehumidification balls 210 are filled in the receiving mesh plate 209. The air transported by the exhaust fan 208 is filtered and dehumidified by the plurality of porous dehumidification balls 210.

[0036] Specifically, the receiving mesh plate 209 is hollow and the outer wall is porous, and the receiving mesh plate 209 can be filled with dehumidification filler such as silica gel desiccant.

[0037] As shown in Figures 2 to 3 , the fixed plate 211 is fixedly connected with the end of the receiving mesh plate 209 outside the flow guide box seat 201, and the plurality of positioning pins 212 are fixedly arranged on the side of the fixed plate 211 close to the casing 1.

[0038] It is worth noting that the flow guide box seat 201 is provided with positioning holes matched with the positioning pins 212, and the positioning pins 212 are in interference fit with the positioning holes.

[0039] As shown in Figures 4 to 6As shown, the temperature regulating mechanism 3 is fixedly arranged in the air guide box seat 201, and is used for heating or cooling the air in the air guide box seat 201. The temperature regulating mechanism 3 comprises a limiting air guide member 301, a plurality of turnover fixing plates 302, a plurality of groups of semiconductor refrigeration sheets 303, a driven gear 304, a synchronous toothed belt 305, a driving gear 306 and a turnover motor 307. The limiting air guide member 301 is fixedly arranged in the air guide box seat 201. The limiting air guide member 301 plays a role of limiting and guiding the air flow in the air guide box seat 201. The plurality of turnover fixing plates 302 are rotatably arranged on both sides of the limiting air guide member 301. The turnover fixing plates 302 play a role of assembling, fixing and turning over the semiconductor refrigeration sheets 303.

[0040] As shown in Figures 4 to 6 The plurality of groups of semiconductor refrigeration sheets 303 are fixedly attached on both sides of the plurality of turnover fixing plates 302. The air in the air guide box seat 201 can be heated or cooled by controlling the operation of the semiconductor refrigeration sheets 303.

[0041] It is worth noting that the semiconductor refrigeration sheets 303 connected on both sides of a single turnover fixing plate 302 are respectively heating side or cooling side.

[0042] As shown in Figures 4 to 6 The driven gear 304 is fixedly arranged at the bottom of the limiting air guide member 301, the synchronous toothed belt 305 is sleeved on the outside of the driven gear 304, the driving gear 306 is arranged on the side of the synchronous toothed belt 305 away from the driven gear 304, the turnover motor 307 is fixedly arranged in the limiting air guide member 301, and the output shaft of the turnover motor 307 is fixedly connected with the driving gear 306. The turnover fixing plate 302 can be synchronously turned over with the rotation of the output shaft of the turnover motor 307 through the cooperation of the driven gear 304, the synchronous toothed belt 305 and the driving gear 306.

[0043] In specific use, the temperature and humidity sensor 6 can be used to monitor the temperature and humidity in the machine shell 1 in real time. When the humidity in the machine shell 1 is high, the operation of the exhaust fan 208 can be controlled to make the humid air in the machine shell 1 transported into the air guide box seat 201 along the air outlet pipe 205, the guide air pipe 206 and the exhaust air pipe 207. After being adsorbed and dehumidified by the storage screen plate 209, the air can flow back to the machine shell 1 along the air guide support pipe 203, so as to regulate the humidity of the machine shell 1.

[0044] In addition, when the temperature in the casing 1 is too high, the rotation of the driving gear 306 is driven by controlling the operation of the turnover motor 307, and the turnover fixed plate 302 can be turned over under the cooperation of the driven gear 304, the synchronous toothed belt 305 and the driving gear 306, so that the refrigeration side of the semiconductor refrigeration sheet 303 is arranged in the air guide box seat 201. The air in the air guide box seat 201 is cooled by the energization of the semiconductor refrigeration sheet 303, and the cooled air can be transported into the casing 1 along the air guide support pipe 203 to cool the casing 1.

[0045] At the same time, when the temperature in the casing 1 is relatively low, the heating side of the semiconductor refrigeration sheet 303 can be arranged in the air guide box seat 201 by turning over the turnover fixed plate 302. The air in the air guide box seat 201 is heated by the energization of the semiconductor refrigeration sheet 303, and the heated air can be transported into the casing 1 along the air guide support pipe 203 to heat the casing 1.

[0046] It is apparent for those skilled in the art that the present disclosure is not limited to the details of the above-described exemplary embodiments, and the present disclosure can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present disclosure. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present disclosure is defined by the appended claims rather than the above description, and it is intended to include all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0047] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A highly stable online power quality monitoring device, characterized in that, include: chassis; A dehumidification mechanism is provided on the outside of the housing to dehumidify and guide the air inside the housing. The dehumidification mechanism includes a dehumidification box seat, a pair of air-guiding components, and a pair of adsorption dehumidification components. The dehumidification box seat is fixedly provided on the bottom of the housing. The pair of air-guiding components are symmetrically distributed on both sides of the dehumidification box seat to facilitate airflow between the housing and the dehumidification box seat. The pair of adsorption dehumidification components are symmetrically provided inside the dehumidification box seat to adsorb and dehumidify the air. A temperature control mechanism is fixedly installed inside the air guide box seat and is used to heat or cool the air inside the air guide box seat.

2. The high-stability online power quality monitoring device according to claim 1, characterized in that, The housing is sealed, and electrical components are installed inside the housing to enable online power monitoring and fault recording.

3. The high-stability online power quality monitoring device according to claim 2, characterized in that, A connection port is fixedly provided on one side of the housing, and the connection port is electrically connected to an electrical component. A temperature and humidity sensor is provided inside the housing for monitoring the temperature and humidity inside the housing.

4. The high-stability online power quality monitoring device according to claim 1, characterized in that, The bottom of the housing is provided with a ventilation inlet, and a dust filter is fixedly installed inside the ventilation inlet. A flow guide support pipe is fixedly connected between the flow guide box base and the housing.

5. The high-stability online power quality monitoring device according to claim 4, characterized in that, The two ends of the flow guide support tube are respectively connected to the ventilation inlet and the flow guide box seat. The bottom of the flow guide box seat is integrally formed with a pair of fixing ear plates, and each pair of fixing ear plates is provided with a fixing through hole.

6. The high-stability online power quality monitoring device according to claim 1, characterized in that, The air intake assembly includes an air outlet pipe, a guide pipe, an exhaust pipe, and an exhaust fan. The air outlet pipe is fixedly mounted on the side of the housing and is connected to the housing.

7. The high-stability online power quality monitoring device according to claim 6, characterized in that, The guide air pipe and the outlet air pipe are fixedly connected at one end outside the housing, and the exhaust pipe is connected to the other end of the guide air pipe. The exhaust pipe is fixedly installed on the side of the guide box seat, and the exhaust fan is fixedly installed at the end of the exhaust pipe located inside the guide box seat.

8. The high-stability online power quality monitoring device according to claim 1, characterized in that, The adsorption dehumidification component includes a storage mesh plate, multiple porous dehumidification balls, a fixing plate, and several positioning pins. The storage mesh plate is slidably inserted into the flow guide box seat, and the multiple porous dehumidification balls are filled in the storage mesh plate. The fixing plate is fixedly connected to one end of the storage mesh plate outside the flow guide box seat, and the several positioning pins are fixedly set on the side of the fixing plate close to the casing.

9. The high-stability online power quality monitoring device according to claim 1, characterized in that, The temperature control mechanism includes a limiting guide, several flip-fixed plates, multiple sets of semiconductor cooling chips, a driven gear, a synchronous toothed belt, a driving gear, and a flip motor. The limiting guide is fixedly installed in the guide box seat, and several flip-fixed plates are rotatably assembled on both sides of the limiting guide.

10. The high-stability online power quality monitoring device according to claim 9, characterized in that, Multiple sets of the semiconductor cooling chips are fixedly attached to both sides of several flip-fixed plates in pairs. The driven gear is fixedly set at the bottom of the limiting guide. The synchronous toothed belt is sleeved on the outside of the driven gear. The driving gear is set on the side of the synchronous toothed belt away from the driven gear. A flip motor is fixedly set inside the limiting guide. The output shaft of the flip motor is fixedly connected to the driving gear.

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