CN215641548U - Low pressure on-line monitoring inlet wire cabinet - Google Patents
Low pressure on-line monitoring inlet wire cabinet Download PDFInfo
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- CN215641548U CN215641548U CN202121082403.7U CN202121082403U CN215641548U CN 215641548 U CN215641548 U CN 215641548U CN 202121082403 U CN202121082403 U CN 202121082403U CN 215641548 U CN215641548 U CN 215641548U
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- incoming line
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- line cabinet
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Abstract
The utility model discloses a low-voltage online monitoring incoming line cabinet which comprises an incoming line cabinet component, a cabinet body component, an online monitoring component and a data processing module. The utility model adopts model TMS320F2812, 32 digit DSP digital processor to collect and record current true effective value, fundamental effective value, 2-63 times harmonic effective value, voltage 2-63 times harmonic content, total distortion rate, power factor, phase shift power factor, fundamental apparent power, fundamental active power, fundamental reactive power, voltage deviation, three-phase voltage unbalance, positive sequence, negative sequence, zero sequence, network frequency, voltage fluctuation and flash value, voltage sudden rise, sudden drop, short-time interruption, inter-harmonic function and electric energy quality exceeding waveform, thus monitoring data in the incoming line cabinet in all directions, controlling the safety of the incoming line cabinet, and the design of four layers of circuit boards of the collecting module, improving the system stability and anti-interference ability.
Description
Technical Field
The utility model relates to the technical field of low-voltage monitoring, in particular to a low-voltage online monitoring incoming line cabinet.
Background
In the prior art, a sensor is generally used for carrying out safety monitoring on the inside of an incoming line cabinet in the using process of the incoming line cabinet, the monitoring alarm structure is single, the data monitoring and processing capacity is limited, and the safety of the incoming line cabinet in use cannot be comprehensively judged.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to provide a low-voltage online monitoring incoming line cabinet, which adopts a model TMS320F2812 and 32-bit DSP digital processor through the mutual matching of an online monitoring structure and a data processing structure, and respectively collects and records the true effective value of current, the effective value of fundamental wave, the effective values of 2-63 harmonics, the content of voltage 2-63 harmonics, the total distortion rate, the power factor, the phase-shift power factor, the apparent power of fundamental wave, the active power of fundamental wave, the reactive power of fundamental wave, the voltage deviation, the unbalance degree of three-phase voltage, the positive sequence, the negative sequence, the zero sequence, the power grid frequency, the voltage fluctuation and flash value, the voltage swell, the dip, the short-time interruption, the inter-harmonic function and the electric energy quality standard exceeding waveform, thus carrying out the omnibearing monitoring on the data in the incoming line cabinet, controlling the use safety of the incoming line cabinet, and designing a four-layer circuit board of a collection module, the stability and the anti-interference capability of the system are improved.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a low-voltage online monitoring incoming line cabinet comprises:
the incoming cabinet assembly comprises an incoming cabinet body, an incoming cabinet outer cover plate, transparent glass and an incoming port, wherein the incoming cabinet outer cover plate covers the surface of the incoming cabinet body;
the cabinet body assembly comprises a bus chamber, a circuit breaker chamber, an instrument chamber and a cable chamber which are arranged on the surface of the incoming cabinet body from top to bottom;
the online monitoring assembly comprises an electric energy quality monitoring device and a signal transmission module, wherein the electric energy quality monitoring device is installed on the inner side surface of the outer cover plate of the incoming cabinet, and the signal transmission module is connected to one side of the electric energy quality monitoring device;
and the data processing module comprises a data processing server arranged in the incoming line cabinet body and a data receiving module connected to one side of the data processing server.
In a preferred embodiment of the low-voltage online monitoring incoming line cabinet according to the present invention, the breaker chamber is separated from the instrument chamber by an insulating plate.
As a preferable scheme of the low-voltage online monitoring incoming line cabinet, a data acquisition module in the power quality monitoring device adopts a 32-bit DSP digital processor, the dominant frequency is up to 150M, an external memory is 512K, and the data acquisition module is provided with four layers of circuit boards.
As a preferable scheme of the low-voltage online monitoring incoming line cabinet, the signal transmitted by the signal transmission module is received by the data receiving module.
Compared with the prior art, the utility model has the beneficial effects that: through the mutual cooperation of the set on-line monitoring structure and the data processing structure, the model TMS320F2812 is adopted, and a 32-bit DSP is adopted to respectively collect and record the current true effective value, the fundamental wave effective value, the 2-63 harmonic effective value, the content of the voltage 2-63 harmonics, the total distortion rate, the power factor, the phase-shift power factor, the fundamental wave apparent power, the fundamental wave active power, the fundamental wave reactive power, the voltage deviation, the three-phase voltage unbalance, the positive sequence, the negative sequence, the zero sequence, the grid frequency, the voltage fluctuation and flash value, the voltage sudden rise, the sudden drop, the short-time interruption, the inter-harmonic function and the electric energy quality exceeding waveform, so that the data in the incoming line cabinet is comprehensively monitored, the use safety of the incoming line cabinet is controlled, and the four-layer circuit board design of the collection module improves the stability and the anti-interference capability of the system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a block diagram of the present invention as a whole;
fig. 2 is a structural diagram of the hand incoming cabinet body in fig. 1 according to the present invention.
In the figure: 100. a wire-in cabinet assembly; 110. a wire inlet cabinet body; 120. an external cover plate of the incoming cabinet; 130. transparent glass; 140. a wire inlet; 200. a cabinet assembly; 210. a bus chamber; 220. a circuit breaker chamber; 230. an instrument room; 240. a cable chamber; 300. an online monitoring component; 310. a power quality monitoring device; 320. a signal transmission module; 400. a data processing module; 410. a data processing server; 420. and a data receiving module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a low-voltage online monitoring incoming line cabinet, which is characterized in that through the mutual cooperation of an online monitoring structure and a data processing structure, a model TMS320F2812 and 32-bit DSP is adopted to respectively collect and record a current true effective value, a fundamental wave effective value, 2-63 harmonic effective values, the content of voltage 2-63 harmonics, a total distortion rate, a power factor, a phase-shift power factor, fundamental wave apparent power, fundamental wave active power, fundamental wave reactive power, voltage deviation, three-phase voltage unbalance, positive sequence, negative sequence, zero sequence, grid frequency, voltage fluctuation and flicker value, voltage swell, short-time interruption, inter-harmonic function and electric energy quality standard exceeding waveform, carry out the omnidirectional monitoring to the data in the inlet wire cabinet like this, the security of controlling the inlet wire cabinet and using to the design of four layers of circuit boards of collection module has improved system stability and interference killing feature.
Fig. 1-2 are schematic diagrams illustrating an overall structure of an embodiment of a low-voltage online monitoring inlet wire cabinet according to the present invention, and referring to fig. 1-2, a main body of the low-voltage online monitoring inlet wire cabinet according to the present embodiment includes an inlet wire cabinet assembly 100, a cabinet assembly 200, an online monitoring assembly 300, and a data processing module 400.
Inlet wire cabinet subassembly 100 is used for hiding, improve the security, it is specific, inlet wire cabinet subassembly 100 is including the inlet wire cabinet body 110 that sets up, cover the inlet wire cabinet outer cover plate 120 on inlet wire cabinet body 110 surface, install at the clear glass 130 on inlet wire cabinet outer cover plate 120 surface and set up the inlet wire 140 in inlet wire cabinet body 110 inside, when specifically using, inlet wire cabinet outer cover plate 120 shelters from the opening of inlet wire cabinet body 110, improve the security like this, and conveniently observe through clear glass 130, directly open inlet wire cabinet outer cover plate 120 when needs maintenance can.
The cabinet assembly 200 is used for incoming line threading, and a control structure is installed, specifically, the cabinet assembly 200 includes a bus chamber 210, a breaker chamber 220, an instrument chamber 230 and a cable chamber 240 which are arranged on the surface of the incoming line cabinet body 110 from top to bottom, when in specific use, a cable is inserted and connected through the incoming line port 140, and a corresponding instrument structure is installed in the instrument chamber 230.
The on-line monitoring component 300 is used for real-time monitoring, the comprehensiveness of monitoring is improved, specifically, the on-line monitoring component 300 comprises an electric energy quality monitoring device 310 installed on the inner side surface of an outer cover plate 120 of an incoming cabinet and a signal transmission module 320 connected to one side of the electric energy quality monitoring device 310, and when the on-line monitoring component is used specifically, a model TMS320F2812 and a 32-bit DSP are adopted to collect and record current true effective values, fundamental wave effective values, 2-63 harmonic effective values, the content of voltage 2-63 harmonics, total distortion rate, power factors, phase shift power factors, fundamental wave apparent power, fundamental wave active power, fundamental wave reactive power, voltage deviation, three-phase voltage unbalance, positive sequence, negative sequence, zero sequence, grid frequency, voltage fluctuation and flash values, voltage swell, dip, short-time interrupt, inter-harmonic function and electric energy quality standard-exceeding waveforms respectively.
Referring to fig. 1-2, in the on-line monitoring inlet cabinet of low voltage according to this embodiment, when the inlet cabinet is in use, the power quality monitoring device 310 respectively collects and records the current true effective value, the fundamental effective value, the 2-63 harmonic effective values, the voltage content of the 2-63 harmonics, the total distortion rate, the power factor, the phase shift power factor, the fundamental apparent power, the fundamental active power, the fundamental reactive power, the voltage deviation, the three-phase voltage imbalance, the positive sequence, the negative sequence, the zero sequence, the grid frequency, the voltage fluctuation and flicker value, the voltage swell, the dip, the short-time interruption, the inter-harmonic function and the power quality exceeding waveform, so as to monitor the data in the inlet cabinet in all directions, the monitored data is transmitted through the signal transmission module 320, and when the signal is transmitted, the data is received by the data receiving module 420, and at this time, the data is transmitted to the data processing server 410, real-time data, historical data and report data are uploaded according to the requirements of the master station, the data collected by the equipment are stored and converted by master station monitoring software, and specific analysis is carried out by data analysis software, so that the comprehensiveness of the monitored data is improved while the data analysis capability is improved, and the use safety is ensured.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. The utility model provides a low pressure on-line monitoring inlet wire cabinet which characterized in that includes:
the incoming line cabinet assembly (100) comprises an incoming line cabinet body (110), an incoming line cabinet outer cover plate (120) covering the surface of the incoming line cabinet body (110), transparent glass (130) installed on the surface of the incoming line cabinet outer cover plate (120) and an incoming line opening (140) arranged inside the incoming line cabinet body (110);
the cabinet body assembly (200) comprises a bus chamber (210), a breaker chamber (220), an instrument chamber (230) and a cable chamber (240) which are arranged on the surface of the incoming cabinet body (110) from top to bottom;
the online monitoring assembly (300) comprises a power quality monitoring device (310) arranged on the inner side surface of the inlet cabinet outer cover plate (120) and a signal transmission module (320) connected to one side of the power quality monitoring device (310);
and the data processing module (400) comprises a data processing server (410) installed in the inlet cabinet body (110) and a data receiving module (420) connected to one side of the data processing server (410).
2. The low-voltage online monitoring inlet cabinet according to claim 1, characterized in that the breaker chamber (220) is separated from the instrument chamber (230) by an insulating plate.
3. The low-voltage online monitoring incoming line cabinet according to claim 2, characterized in that a 32-bit DSP (digital signal processor) is adopted as a data acquisition module in the power quality monitoring device (310), the dominant frequency is up to 150M, the memory is expanded to 512K, and the data acquisition module is provided with four layers of circuit boards.
4. The low-voltage online monitoring incoming cabinet according to claim 3, characterized in that the signal transmitted by the signal transmission module (320) is received by the data receiving module (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121082403.7U CN215641548U (en) | 2021-05-20 | 2021-05-20 | Low pressure on-line monitoring inlet wire cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121082403.7U CN215641548U (en) | 2021-05-20 | 2021-05-20 | Low pressure on-line monitoring inlet wire cabinet |
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| CN215641548U true CN215641548U (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256985A (en) * | 2022-02-28 | 2022-03-29 | 英奈科(北京)智能系统有限公司 | Low-voltage power distribution switch system based on Internet of things |
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2021
- 2021-05-20 CN CN202121082403.7U patent/CN215641548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256985A (en) * | 2022-02-28 | 2022-03-29 | 英奈科(北京)智能系统有限公司 | Low-voltage power distribution switch system based on Internet of things |
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