CN216116354U - Transformer substation noise acquisition device - Google Patents
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- CN216116354U CN216116354U CN202122797286.9U CN202122797286U CN216116354U CN 216116354 U CN216116354 U CN 216116354U CN 202122797286 U CN202122797286 U CN 202122797286U CN 216116354 U CN216116354 U CN 216116354U
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Abstract
The utility model provides a transformer substation noise acquisition device which is characterized by comprising a shell, wherein the shell is provided with a noise processor, a noise sensor and a DTU (data transfer unit), the noise sensor is connected with the noise processor, the noise processor is connected with the DTU, and the DTU is in signal connection with a wireless signal receiver in a transformer substation; and the noise processor acquires monitoring data of the noise sensor and reversely calculates the sound power level of the noise source according to the position relation between the noise sensor and the noise source and the environmental parameters. The acoustic power level of noise source equipment is obtained through reverse calculation of the data processor on the noise sensor measurement data, distance limitation and environmental influence are removed, measurement is more accurate, remote mobile monitoring is achieved through a DTU, data are uploaded to a database in a wireless transmission mode for remote analysis, calculation analysis capacity is improved, meanwhile, the protection performance of an acquisition device is good, the structure is simple, assembly and disassembly are convenient, and the production maintenance difficulty is reduced.
Description
Technical Field
The utility model relates to the technical field of transformer substation noise acquisition, in particular to a transformer substation noise acquisition device.
Background
The automatic noise monitoring starts late in China, a complete noise automatic monitoring technical specification system is not established in China at present, and the software and hardware aspects of the automatic noise monitoring are still in a research stage. At present, domestic research on automatic noise monitoring mainly focuses on the following aspects: properties of ambient noise data; secondly, the physical constitution of the noise automatic monitoring system; thirdly, laying the noise detection substation; fourthly, determining the effective time of noise detection; how to obtain more information from the existing noise data.
The automatic noise monitoring system has the advantages that the automatic noise monitoring system is advanced at home and abroad, and the hardware system for establishing the automatic noise monitoring system is mature, but the problems that: firstly, monitored data are fixed points, noise data of installation points of an acquisition device are directly used as actual measurement noise of a noise source, but the acquisition device is usually away from the noise source by a certain distance and is influenced by the environment, and the noise data of the noise source cannot be accurately represented; secondly, the data calculation processing capacity of the acquisition device is insufficient, most of data needs to be uploaded back to the core processor for processing, and management of noise data and analysis and mining of historical data are not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to at least solve the technical problems that the acquisition device in the prior art is inaccurate in acquiring noise data and poor in calculation and analysis capability.
Therefore, the utility model provides a transformer substation noise acquisition device.
The utility model provides a transformer substation noise acquisition device which comprises a shell, wherein the shell is provided with a noise processor, a noise sensor and a DTU (data transfer unit), the noise sensor is connected with the noise processor, the noise processor is connected with the DTU, and the DTU is in signal connection with a wireless signal receiver in a transformer substation;
and the noise processor acquires monitoring data of the noise sensor, and reversely calculates the sound power level of the noise source by using a reflecting surface engineering method according to the position relation and the environmental parameters between the noise sensor and the noise source.
According to the transformer substation noise acquisition device, the acquisition device is arranged at a station end and is arranged adjacent to noise source equipment and bound with a noise source, one acquisition device corresponds to one noise source, relevant data such as basic information and environmental parameters of the noise source can be recorded into the acquisition device in a background mode, the internal structure of the acquisition device is protected through a shell, and a noise sensor is used for acquiring the sound intensity of the position of the transformer substation noise acquisition device; the noise processor adopts a raspberry group for carrying out calculation and analysis on noise data, the sound intensity data monitored by the noise sensor is reversely calculated into the sound power level of a noise source by using a reflector engineering method, the DTU (data transmission unit) is a wireless terminal device for converting serial port data into IP (Internet protocol) data or converting the IP data into the serial port data and transmitting the serial port data through a wireless communication network, is connected with the noise processor, transmits noise related data in the noise processor and the noise sensor to a system background in a wireless transmission mode for storage or calling, can receive data transmitted to the local by the system background, overcomes the wired limit of a noise acquisition device, and realizes remote mobile monitoring and analysis.
According to the technical scheme of the utility model, the transformer substation noise acquisition device can also have the following additional technical characteristics:
in the above technical scheme, the casing includes the box body, the box body sets up the apron that matches with the box body, apron and box body form an inclosed space.
In this technical scheme, the casing includes box body and apron, the equipment production of being convenient for, and noise processor, noise sensor and DTU set up in the mounting groove in the box body, and the apron matches with the box body and forms airtight space, prevents that the inside sand that advances of casing from intaking, guarantees inside gas tightness, protects internal components such as noise processor, noise sensor and DTU, is applicable to the outdoor environment of transformer substation.
In the above technical solution, the box body includes a sound receiving portion and a processing portion, the noise sensor is disposed in the sound receiving portion, the noise sensor and the DTU are disposed in the processing portion, and a cross-sectional area of the sound receiving portion is smaller than a cross-sectional area of the processing portion.
In this technical scheme, the cross-section of radio reception portion is the bottleneck shape of narrow-end-up width, sets up noise sensor and can effectively reduce the sound loss in radio reception portion, and the cross-section of processing portion is the cuboid, provides enough installation space fixed noise treater, DTU and cable etc..
In the technical scheme, the sound receiving part is provided with a mounting hole matched with the noise sensor in size, and the noise sensor penetrates through the mounting hole to be connected with the noise processor.
In the technical scheme, a round mounting hole suitable for inserting a noise sensor is formed in the top of the narrow end of the bottleneck-shaped sound receiving part, the noise sensor is fixedly connected with the mounting hole, the induction part of the noise sensor is fully exposed in the external environment to induce the noise intensity, the transmission part is arranged in the shell and connected with the noise processor, the influence of the thickness of the shell on the precision of the noise sensor is avoided, and meanwhile, the energy loss of the transmission part can be reduced in the sealed shell.
In the technical scheme, the box body is detachably connected with the cover plate, the noise processor is detachably connected with the box body, and the DTU is connected with the noise processor through the USB patch cord.
In this technical scheme, the screw that is provided with the position matching on the inside edge of box body and the apron makes box body and apron accessible bolted connection, open the box body bottom has 4 fixed screws that match with the noise treater, the noise treater is connected with the box body through fixed screw, adopt detachably connected mode, the equipment of being convenient for is dismantled, the reduction production degree of difficulty and maintenance cost, DTU and noise treater are connected through the interface line of a Micro USB (public) to USB Type A (public).
In the above technical scheme, the casing is connected with a battery compartment, a battery module is arranged in the battery compartment, and the battery module is connected with the noise processor.
In this technical scheme, battery module is the noise treater, noise sensor and DTU provide the electric energy, battery module chooses for use large capacity lithium polymer battery, provide multiple power source, the change of can regularly charging, battery module sets up alone in the battery compartment that links to each other with the casing, the battery compartment can provide the guard action for battery module, the integrated design of noise collection system has been realized on the one hand, on the one hand with the inside noise treater of battery and casing, noise sensor and DTU isolate, protect casing internals safety through the physical isolation mode.
In the above technical scheme, the housing is provided with a switching port, and the battery module is connected with the noise processor through the switching port.
In the technical scheme, the adapter is arranged on the side face of the shell, the battery module is provided with a USB female port, and the noise processor is connected with the battery module through a Micro USB (male) interface line for USB Type A (male).
In any one of the above technical solutions, the housing is provided with an indicator light, the indicator light is connected with the data processor, and the indicator light includes a red light and a green light.
According to the technical scheme, after the application program normally runs and uploads data, the green light flashes three times to indicate that data acquisition and uploading are successful, and when the application program is abnormal, the red light flashes, and data cannot be normally transmitted to the server.
In any of the above technical solutions, the housing is insulated from the ground.
In the technical scheme, in order to adapt to the installation environment of the transformer substation, the shell made of the insulating material is selected to ensure the safety of the acquisition device and the power equipment, the plastic or the rubber can be selected, and the insulating layer such as insulating paint, an insulating plate and the like can also be arranged outside the shell.
By adopting the technical scheme, the utility model has the beneficial effects that: the acoustic power level of noise source equipment is obtained through reverse calculation of the data processor on the noise sensor measurement data, distance limitation and environmental influence are removed, measurement is more accurate, remote mobile monitoring is achieved through a DTU, data are uploaded to a database in a wireless transmission mode for remote analysis, calculation analysis capacity is improved, meanwhile, the protection performance of an acquisition device is good, the structure is simple, assembly and disassembly are convenient, and the production maintenance difficulty is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an internal structural view of a substation noise collection device according to an embodiment of the present invention;
FIG. 2 is an external profile view of a substation noise collection assembly according to one embodiment of the present invention;
fig. 3 is a perspective view of a box body in a substation noise collection device according to an embodiment of the present invention;
fig. 4 is a perspective view of a cover plate of a transformer substation noise collection device according to an embodiment of the present invention;
fig. 5 is a perspective view of a battery compartment in a transformer substation noise collection device according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:
1. a housing; 2. a noise processor; 3. a noise sensor; 4. a DTU; 5. a box body; 6. a cover plate; 7. a sound receiving unit; 8. a processing unit; 9. mounting holes; 10. a battery compartment; 11. a battery module; 12. a transfer port; 13. an indicator light.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A substation noise collection device provided according to some embodiments of the present invention is described below with reference to fig. 1 to 5.
Some embodiments of the present application provide a transformer substation noise collection device.
As shown in fig. 1 to 5, a first embodiment of the present invention provides a substation noise collection device, including a housing 1, where the housing 1 is provided with a noise processor 2, a noise sensor 3, and a DTU4, the noise sensor 3 is connected to the noise processor 2, the noise processor 2 is connected to a DTU4, and the DTU4 is in signal connection with a wireless signal receiver in a substation;
the noise processor 2 acquires monitoring data of the noise sensor 3, and reversely calculates the sound power level of the noise source according to the position relation between the noise sensor 3 and the noise source and the environmental parameters.
The transformer substation noise acquisition device provided by the embodiment is characterized in that the acquisition device is arranged at a station end and is adjacent to noise source equipment and bound with a noise source, one acquisition device corresponds to one noise source, relevant data such as basic information and environmental parameters of the noise source can be recorded into the acquisition device in a background mode, the internal structure of the acquisition device is protected through the shell 1, the noise sensor 3 is used for acquiring the sound intensity of the position of the transformer substation noise acquisition device, and the noise sensor 3 consists of six parts, namely a sound receiving part, an amplifying part, a voltage-frequency conversion part, an operation part, a display part and a data pushing part. The sound sensing module is designed by an electret microphone and a related circuit thereof, and has the functions of converting an externally input sound signal into a weak current signal, amplifying the weak current signal by an amplifying part, generating a direct current level by a peak detector, realizing functions of statistical integral measurement, total value integral measurement, 1/1OCT analysis, 1/3OCT analysis, FFT analysis, sound exposure level measurement and the like by a digital signal processing technology, and finally sending an analysis result to the noise processor 2 through an RS232 serial interface. The noise processor 2 adopts a raspberry group for calculating and analyzing noise data, calculates the noise intensity data monitored by the noise sensor 3 as the noise power level of a noise source, and the DTU4 (data transmission unit) is a wireless terminal device for converting serial port data into IP data or converting the IP data into the serial port data and transmitting the serial port data through a wireless communication network, is connected with the noise processor 2, transmits the noise related data in the noise processor 2 and the noise sensor 3 to a system background in a wireless transmission mode for storage or calling, can receive the data transmitted from the system background to the local, overcomes the wired limit of a noise acquisition device, and realizes remote mobile monitoring and analysis.
A second embodiment of the present invention provides a transformer substation noise collection device, and based on the first embodiment, as shown in fig. 1 to 5, the housing 1 includes a box 5, the box 5 is provided with a cover plate 6 matching with the box 5, and the cover plate 6 and the box 5 form a closed space.
In this embodiment, casing 1 includes box body 5 and apron 6, the assembly production of being convenient for, and noise processor 2, noise sensor 3 and DTU4 set up in the mounting groove in box body 5, and apron 6 matches with box body 5 and forms airtight space, prevents that casing 1 is inside to advance husky into water, guarantees inside gas tightness, protects internal components such as noise processor 2, noise sensor 3 and DTU4, is applicable to the outdoor environment of transformer substation.
In addition to any of the above embodiments, as shown in fig. 1 to 5, the box 5 includes a sound receiving portion 7 and a processing portion 8, the noise sensor 3 is disposed in the sound receiving portion 7, the noise sensor 3 and the DTU4 are disposed in the processing portion 8, and the cross-sectional area of the sound receiving portion 7 is smaller than that of the processing portion 8.
In this embodiment, the sound receiving section 7 has a bottleneck shape with a narrow top and a wide bottom, the noise sensor 3 is disposed in the sound receiving section 7 to effectively reduce the sound loss, and the processing section 8 has a rectangular parallelepiped cross section to provide a sufficient installation space for fixing the noise processor 2, the DTU4, the cable, and the like.
A fourth embodiment of the present invention provides a substation noise collection device, and based on any of the above embodiments, as shown in fig. 1 to 5, the sound receiving portion 7 is provided with a mounting hole 9 matching with the noise sensor 3 in size, and the noise sensor 3 passes through the mounting hole 9 and is connected to the noise processor 2.
In the embodiment, the top of the narrow end of the bottleneck-shaped sound receiving part 7 is provided with a circular mounting hole 9 suitable for inserting the noise sensor 3, the noise sensor 3 is fixedly connected with the mounting hole 9, the induction part of the noise sensor 3 is fully exposed in the external environment to induce the noise intensity, the transmission part is arranged in the shell 1 and is connected with the noise processor 2, the influence of the thickness of the shell 1 on the precision of the noise sensor 3 is avoided, and meanwhile, the energy loss of the transmission part can be reduced in the closed shell 1.
A fifth embodiment of the present invention provides a substation noise collection device, and based on any of the above embodiments, as shown in fig. 1 to 5, the box body 5 is detachably connected to the cover plate 6, the noise processor 2 is detachably connected to the box body 5, and the DTU4 is connected to the noise processor 2 through a USB patch cord.
In this embodiment, be provided with the screw that the position matches on 5 inside edges of box body and the apron 6 and make box body 5 and 6 accessible bolted connection of apron, open 5 bottoms of box body have 4 fixed screws that match with noise processor 2, noise processor 2 is connected with box body 5 through fixed screw, adopt detachably connected mode, the assembly and disassembly of being convenient for, reduce the production degree of difficulty and maintenance cost, DTU4 is connected through the interface line of a Micro USB (public) to USB Type A (public) with noise processor 2.
A sixth embodiment of the present invention provides a substation noise collection device, and on the basis of any of the above embodiments, as shown in fig. 1 to 5, the housing 1 is connected to a battery compartment 10, a battery module 11 is disposed in the battery compartment 10, and the battery module 11 is connected to the noise processor 2.
In this embodiment, the battery module 11 provides electric energy for the noise processor 2, the noise sensor 3 and the DTU4, the battery module 11 selects a large-capacity lithium polymer battery, and provides various power interfaces, and can be charged and replaced regularly, the battery module 11 is separately arranged in the battery compartment 10 connected with the casing 1, and the battery compartment 10 can provide a protection effect for the battery module 11, on one hand, the integrated design of the noise collection device is realized, on the one hand, the battery is isolated from the noise processor 2, the noise sensor 3 and the DTU4 inside the casing 1, and the safety of the internal components of the casing 1 is protected in a physical isolation manner.
A seventh embodiment of the present invention provides a substation noise collection device, and on the basis of any of the above embodiments, as shown in fig. 1 to 5, the housing 1 is provided with an adapter port 12, and the battery module 11 is connected to the noise processor 2 through the adapter port 12.
In this embodiment, the adapter 12 is disposed on the side of the housing 1, the battery module 11 is provided with a USB female port, and the noise processor 2 is connected to the battery module 11 through a Micro USB (male) to USB Type a interface cable.
An eighth embodiment of the present invention provides a substation noise collection device, and on the basis of any of the above embodiments, as shown in fig. 1 to 5, the housing 1 is provided with an indicator lamp 13, the indicator lamp 13 is connected to a data processor, and the indicator lamp 13 includes a red lamp and a green lamp.
In the embodiment, after the application program normally runs and uploads the data, the green light flashes three times to indicate that the data acquisition and uploading is successful, and when the application program is abnormal, the red light flashes, and the data cannot be normally transmitted to the server.
A ninth embodiment of the present invention provides a substation noise collection device, and on the basis of any of the above embodiments, as shown in fig. 1 to 5, the housing 1 is insulated from the ground.
In this embodiment, in order to adapt to the installation environment of the substation, the housing 1 is made of an insulating material to ensure the safety of the acquisition device and the power equipment, the housing 1 may be made of plastic or rubber, and an insulating layer, such as an insulating paint, an insulating plate, or the like, may be disposed outside the housing 1.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 (9)
1. The transformer substation noise acquisition device is characterized by comprising a shell (1), wherein the shell (1) is provided with a noise processor (2), a noise sensor (3) and a DTU (digital time unit) (4), the noise sensor (3) is connected with the noise processor (2), the noise processor (2) is connected with the DTU (4), and the DTU (4) is in signal connection with a wireless signal receiver in a transformer substation;
the noise processor (2) acquires monitoring data of the noise sensor (3), and reversely calculates the sound power level of the noise source according to the position relation between the noise sensor (3) and the noise source and the environmental parameters.
2. A substation noise collection device according to claim 1, characterized in that the housing (1) comprises a box (5), the box (5) is provided with a cover plate (6) matching the box (5), and the cover plate (6) and the box (5) form a closed space.
3. The substation noise collection device according to claim 2, wherein the box body (5) comprises a sound receiving part (7) and a processing part (8), the noise sensor (3) is arranged on the sound receiving part (7), the noise sensor (3) and the DTU (4) are arranged on the processing part (8), and the cross-sectional area of the sound receiving part (7) is smaller than that of the processing part (8).
4. A substation noise collection device according to claim 3, characterized in that the sound collecting part (7) is provided with a mounting hole (9) with a size matched with the noise sensor (3), and the noise sensor (3) is connected with the noise processor (2) through the mounting hole (9).
5. A substation noise collection device according to claim 4, characterized in that the box body (5) is detachably connected with the cover plate (6), the noise processor (2) is detachably connected with the box body (5), and the DTU (4) is connected with the noise processor (2) through a USB patch cord.
6. A substation noise collection device according to any of claims 1 to 5, characterized in that a battery compartment (10) is connected to the housing (1), a battery module (11) is arranged in the battery compartment (10), and the battery module (11) is connected to the noise processor (2).
7. A substation noise collection device according to claim 6, characterized in that the housing (1) is provided with a transfer port (12), the battery module (11) being connected to the noise processor (2) through the transfer port (12).
8. A substation noise collection device according to any of claims 1 to 5, characterized in that the housing (1) is provided with indicator lights (13), the indicator lights (13) being connected to a data processor, the indicator lights (13) comprising red and green lights.
9. A substation noise collection device according to any of claims 1-5, characterized in that the housing (1) is insulated from ground.
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|---|---|---|---|
| CN202122797286.9U CN216116354U (en) | 2021-11-15 | 2021-11-15 | Transformer substation noise acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122797286.9U CN216116354U (en) | 2021-11-15 | 2021-11-15 | Transformer substation noise acquisition device |
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| CN216116354U true CN216116354U (en) | 2022-03-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236726A (en) * | 2022-07-22 | 2022-10-25 | 中国地质调查局自然资源综合调查指挥中心 | Earthquake single-point acquisition equipment for active noise reduction |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236726A (en) * | 2022-07-22 | 2022-10-25 | 中国地质调查局自然资源综合调查指挥中心 | Earthquake single-point acquisition equipment for active noise reduction |
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