CN212658960U - Multifunctional electric power protection measurement and control device - Google Patents
Multifunctional electric power protection measurement and control device Download PDFInfo
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- CN212658960U CN212658960U CN202021464542.1U CN202021464542U CN212658960U CN 212658960 U CN212658960 U CN 212658960U CN 202021464542 U CN202021464542 U CN 202021464542U CN 212658960 U CN212658960 U CN 212658960U
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Abstract
The utility model discloses a multifunctional power protection measurement and control device, which belongs to the technical field of power equipment, the multifunctional power protection measurement and control device adopts a modular design and comprises a main control MCU module, wherein the main control MCU module adopts an embedded SOC on-chip hybrid system and is respectively coupled with an LED display module, a power supply module, a voltage acquisition module, a current acquisition module, an electrified display module, a temperature and humidity acquisition module, a communication module, an operation module and a relay control module; the operation module contains pilot lamp, clamp plate and change over switch, and pilot lamp, clamp plate and change over switch all adopt buckle formula installation. The utility model discloses in concentrating secondary equipment to a device, simplified low-voltage apparatus switchgear's production technology greatly, the device adopts the modularized design, when a certain module damages, only need change corresponding module can, improved fortune dimension personnel's trouble greatly and eliminated scarce efficiency.
Description
Technical Field
The utility model relates to a power equipment technical field especially indicates a multi-functional electric power protection measurement and control device.
Background
The electric complete equipment is a composite electric appliance in a power distribution network, and the main function of the electric complete equipment is to integrate various primary equipment (mainly comprising a circuit breaker, a load switch, a disconnecting switch and the like) and secondary equipment with the functions of measurement, control, indication, communication and the like into a closed metal cabinet body to form main equipment for power supply and distribution, and the main working form of the switch equipment is provided. The secondary equipment is generally installed on an instrument door and mainly comprises a protection measurement and control device, a switch state indicator, a temperature and humidity controller, an electrified display, an indicator lamp, a pressing plate, a change-over switch and the like.
Because the electrical complete equipment has more secondary equipment and the sizes of products of different production plants are different, the standardized production of the products is not facilitated for the electrical complete equipment plants. When a certain element is damaged in the actual operation process, due to the limitation of the size, an original manufacturer must be found for purchase and replacement, which is not beneficial to the improvement of the on-site operation and maintenance defect elimination efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a component is changed conveniently, disappears and lacks efficient multi-functional power protection measurement and control device and low-voltage apparatus complete set switchgear.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
on the one hand, provide a multi-functional electric power protection measurement and control device, adopt the modularized design, including master control MCU module, wherein:
the main control MCU module adopts an embedded SOC on-chip mixing system;
the main control MCU module is respectively coupled with the LED display module, the power supply module, the voltage acquisition module, the current acquisition module, the electrified display module, the temperature and humidity acquisition module, the communication module, the operation module and the relay control module;
the electrified display module comprises a display unit and an interlocking signal output unit which are matched for use, and a signal end of the display unit is connected to an indicating unit jack of the interlocking signal output unit;
the operation module contains pilot lamp, clamp plate and change over switch, pilot lamp, clamp plate and change over switch all adopt the buckle formula to install.
According to the present invention, the LED display module preferably uses 160 × 160 dot matrix liquid crystal.
According to the utility model discloses it is preferred, LED display module has display panel, light guide plate and the backplate that sets gradually, the side of light guide plate is equipped with LED light source area, the material of light guide plate is PMMA.
According to the utility model discloses it is preferred, relay control module has 1 way warning relay output and 1 way dropout relay output.
According to the utility model discloses it is preferred, communication module adopts 2 way independent RS485 communication ports of each other.
According to the utility model, the multifunctional power protection measurement and control device preferably comprises a main board, a power board and an expansion board, wherein the power board and the expansion board are respectively connected to the main board through a can transceiver and a flat cable;
the main control MCU module, the LED display module, the voltage acquisition module, the current acquisition module, the electrified display module, the temperature and humidity acquisition module and the communication module are positioned on the mainboard;
the power supply module is positioned on the power panel;
the operation module and the relay control module are located on the expansion board.
According to the utility model discloses it is preferred, voltage acquisition module, current acquisition module, humiture acquisition module, operating module, relay control module and be provided with the photoelectric isolator between the master control MCU module respectively.
On the other hand, the complete set of switch equipment for the low-voltage electrical apparatus comprises an instrument door, wherein the instrument door is provided with the multifunctional power protection measurement and control device.
The utility model discloses following beneficial effect has:
the utility model discloses in, multi-functional electric power protection measurement and control device has protection measurement and control device, on-off state indicator, temperature and humidity controller, electrified display, pilot lamp, clamp plate, change over switch's function simultaneously, concentrates secondary equipment in a device, has simplified low-voltage apparatus complete set switchgear's production technology greatly, and the device adopts the modularized design, when a certain module damages, only need change corresponding module can, improved fortune dimension personnel's trouble disappearance efficiency greatly. Meanwhile, as the secondary equipment is integrated on one device, the original functions of measurement, control, indication, communication and the like can be realized only by installing one device on the instrument door of the original electrical complete equipment, the design is greatly simplified, and meanwhile, the attractiveness of the electrical complete equipment is improved.
Drawings
Fig. 1 is a schematic structural view of the multifunctional power protection measurement and control device of the present invention;
fig. 2 is a schematic structural diagram of a display screen of the LED display module in fig. 1.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
On the one hand, the utility model provides a multi-functional electric power protection measurement and control device adopts the modularized design, as shown in fig. 1, including master control MCU module 1, wherein:
the main control MCU module 1 adopts an embedded SOC on-chip mixing system;
the main control MCU module 1 is respectively coupled with the LED display module 2, the power supply module 3, the voltage acquisition module 4, the current acquisition module 5, the electrified display module 6, the temperature and humidity acquisition module 7, the communication module 8, the operation module 9 and the relay control module 10;
the electrified display module 6 comprises a display unit and an interlocking signal output unit which are matched for use, and the signal end of the display unit is connected to an indicating unit jack of the interlocking signal output unit;
the operation module 9 comprises an indicator light, a pressing plate and a change-over switch, wherein the indicator light, the pressing plate and the change-over switch are installed in a buckling mode.
The inventor discovers that most measurement and control devices, its display screen luminance is low in the research process, and is difficult for observing, for this reason, in some embodiments, as shown in fig. 2, LED display module 2 can have display panel 21, light guide plate 22 and backplate 23 that set gradually, and the side of light guide plate 22 is equipped with LED light source area 24, and the material of light guide plate 22 is PMMA. Like this, through setting up the light source area at the light guide plate side, utilize the luminous back of light source side to the surface of diffuse reflection in the light guide plate for the light guide plate is even luminous, and light loss is little, can provide the backlight of high luminance, high degree of consistency for display panel, makes the display screen easily observe, and the implementation cost is low. And the light source area is LED light source area, and the light efficiency is high, and the energy consumption is low, and calorific capacity is few, avoids whole module temperature rise too fast and influences the components and parts life-span.
In other embodiments of the present invention, the multifunctional power protection measurement and control device may include a main board, a power board and an expansion board, wherein the power board and the expansion board are connected to the main board through a can transceiver and a flat cable, respectively;
the main control MCU module 1, the LED display module 2, the voltage acquisition module 4, the current acquisition module 5, the charged display module 6, the temperature and humidity acquisition module 7 and the communication module 8 are positioned on the mainboard;
the power supply module 3 is positioned on the power panel;
the operating module 9 and the relay control module 10 are located on the expansion board.
Therefore, a distributed architecture is adopted, all the plates are relatively independent, and the connection is simple; the plugging mode is adopted, and the flat cable connection is adopted, so that the field maintenance and installation and the plate maintenance and replacement are facilitated; based on the distributed architecture, it is easy to expand various boards.
The utility model discloses in some embodiments again, can be provided with photoelectric isolator (the model is TLP350, ACPL-W456V etc. for example) between voltage acquisition module 4, current acquisition module 5, humiture acquisition module 7, operating module 9, relay control module 10 and the main control MCU module 1 respectively to effectual filtering, the rectification to the signal, keep apart strong electromagnetic interference, improve the job stabilization nature and the interference killing feature of main control MCU module.
The application multi-functional electric power protection measurement and control device, reached following effect:
(1) the utility model provides a multifunctional power protection measurement and control device which integrates the functions of detecting voltage, current, residual current and temperature in a low-voltage distribution line in a smaller platform;
(2) the LED display module adopts lattice liquid crystal display to display Chinese captions, numbers and letter parameters, has friendly interface design, diversified parameter setting and can be stored after the parameter setting is finished. And by adopting the dot matrix liquid crystal, the parameters of the device can be perfectly displayed, and the problem of single parameter setting of other manufacturers is solved. The 160-by-160 lattice liquid crystal is adopted, so that the volume of the device is reduced on the premise of ensuring parameter display, and the problem of overlarge product volume of other manufacturers is solved. The handcart state indicating device has a switch state indicating function, can indicate states such as a breaker energy storage state, a breaker switch state, a grounding switch state, a handcart position state and the like according to actual needs, and has a function of displaying a primary circuit simulation diagram;
(3) the main control MCU module adopts the latest SOC hybrid system-on-chip hardware platform and a high-performance A/D acquisition unit, so that the data operation is fast and the data acquisition is accurate. The voltage, current, residual current and temperature data can be calculated for multiple times, interference data in the voltage, current, residual current and temperature data are filtered, error data are eliminated, and false alarms are effectively eliminated; the specific model of the main control MCU module is Smart XA of Philips, for example;
(4) the operation module contains required pilot lamp of operation, clamp plate, change over switch, and structural design is compact, adopts buckle formula installation, and simple to operate when operation module damages, only needs to change operation module alone, has improved fortune dimension personnel's trouble disappearance efficiency greatly.
(5) The relay control module adopts 1-path alarm relay output (RO1) and 1-path tripping relay output (RO 2). The relay is triggered to act through the fire alarm function, and the remote control or local manual operation can be carried out through communication. The output mode and the pulse width of the relay can be set by two modes, namely communication and manual operation. Providing a variety of loop protection functions: the alarm/tripping/exit three working modes are selectable, and the protection action is accurate and reliable; the specific models are, for example, PD8M1 and PD810 of Nanyu electric.
(6) The communication module adopts 2 way RS485 communication ports, and 2 way communications are independent each other, support the communication protocol: MODBUS-RTU. The system has the functions of remote monitoring, maintenance and management; the specific model is, for example, MB2DI2RO from hong hai electronic technology of crane wall.
(7) The power supply module is connected with the main control MCU module and provides corresponding direct current power supply for the whole hardware platform, the input range of the power supply module can support 80-265 Vac/dc, and three groups of isolation voltage outputs of double 5V and 24V are provided through isolation transformation; a specific model is, for example, MAF150-220D0524 from MEZX electronics, Hangzhou.
(8) The electrified display module consists of a display unit (display module) and an interlocking signal output unit (locking module), and the display unit (display module) and the interlocking signal output unit (locking module) are matched for use. The interlocking signal output unit (locking module) panel is provided with an indicating unit jack, so that the display unit (display module) is convenient to install and replace, the display unit is inserted, the high-voltage electrification condition can be reflected, and after the display unit is pulled out, the interlocking signal output unit panel jack can be used as a user double-loop phase check; a specific model may be the DXN series.
To sum up, the utility model discloses a multi-functional electric power protection measurement and control device, the device have protection measurement and control device, on-off state indicator, temperature and humidity controller, electrified display, pilot lamp, clamp plate, change over switch's function simultaneously, concentrate secondary equipment in a device, simplified low-voltage apparatus complete set switchgear's production technology greatly, the device adopts the modularized design, when a certain module damages, only need change corresponding module can, improved fortune dimension personnel's trouble greatly and eliminated scarce efficiency. Meanwhile, as the secondary equipment is integrated on one device, the original functions of measurement, control, indication, communication and the like can be realized only by installing one device on the instrument door of the original electrical complete equipment, the design is greatly simplified, and meanwhile, the attractiveness of the electrical complete equipment is improved.
On the other hand, the utility model provides a low-voltage apparatus complete set switchgear, including the instrument door, install foretell multi-functional electric power protection measurement and control device on the instrument door, multi-functional electric power protection measurement and control device's structure is the same with last, and it is no longer repeated here.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a multi-functional electric power protection measurement and control device which characterized in that adopts the modularized design, includes main control MCU module, wherein:
the main control MCU module adopts an embedded SOC on-chip mixing system;
the main control MCU module is respectively coupled with the LED display module, the power supply module, the voltage acquisition module, the current acquisition module, the electrified display module, the temperature and humidity acquisition module, the communication module, the operation module and the relay control module;
the electrified display module comprises a display unit and an interlocking signal output unit which are matched for use, and a signal end of the display unit is connected to an indicating unit jack of the interlocking signal output unit;
the operation module contains pilot lamp, clamp plate and change over switch, pilot lamp, clamp plate and change over switch all adopt the buckle formula to install.
2. The multifunctional power protection, measurement and control device according to claim 1, wherein the LED display module uses 160 × 160 dot matrix liquid crystal.
3. The multifunctional power protection measurement and control device according to claim 2, wherein the LED display module comprises a display panel, a light guide plate and a back plate which are sequentially arranged, an LED light source belt is arranged on the side surface of the light guide plate, and the light guide plate is made of PMMA.
4. The multifunctional power protection measurement and control device according to claim 1, wherein the relay control module has 1-way alarm relay output and 1-way trip relay output.
5. The multifunctional power protection, measurement and control device of claim 1, wherein the communication module employs 2 independent RS485 communication ports.
6. The multifunctional power protection, measurement and control device according to any one of claims 1-5, wherein the multifunctional power protection, measurement and control device comprises a main board, a power board and an expansion board, wherein the power board and the expansion board are respectively connected to the main board through a can transceiver and a flat cable;
the main control MCU module, the LED display module, the voltage acquisition module, the current acquisition module, the electrified display module, the temperature and humidity acquisition module and the communication module are positioned on the mainboard;
the power supply module is positioned on the power panel;
the operation module and the relay control module are located on the expansion board.
7. The multifunctional power protection measurement and control device according to claim 6, wherein photoelectric isolators are respectively arranged between the voltage acquisition module, the current acquisition module, the temperature and humidity acquisition module, the operation module, the relay control module and the main control MCU module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021464542.1U CN212658960U (en) | 2020-07-22 | 2020-07-22 | Multifunctional electric power protection measurement and control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021464542.1U CN212658960U (en) | 2020-07-22 | 2020-07-22 | Multifunctional electric power protection measurement and control device |
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| Publication Number | Publication Date |
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| CN212658960U true CN212658960U (en) | 2021-03-05 |
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| CN202021464542.1U Active CN212658960U (en) | 2020-07-22 | 2020-07-22 | Multifunctional electric power protection measurement and control device |
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