CN205450110U - Intelligent gas meter - Google Patents
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- CN205450110U CN205450110U CN201620245875.2U CN201620245875U CN205450110U CN 205450110 U CN205450110 U CN 205450110U CN 201620245875 U CN201620245875 U CN 201620245875U CN 205450110 U CN205450110 U CN 205450110U
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Abstract
The utility model relates to an intelligent gas meter, including power detection equipment, stairwell dust state check out test set and master control equipment, power detection equipment is used for detecting and exporting three -phase power line output 's electric energy, and stairwell dust state check out test set is used for detecting the dust state of stairwell, and master control equipment is connected with power detection equipment and stairwell dust state check out test set respectively. Through the utility model discloses, can be when improving the power detection precision, the accuracy recognises the dust situation of gas meter place stairwell.
Description
Technical field
This utility model relates to energy meter field, particularly relates to a kind of intelligent energy meter.
Background technology
Energy meter, is generally arranged at staircase, occupies certain common equipment area, and its major function is to measure the various parameters of alternating electromotive force circuit, mainly electrical energy parameter.
But, staircase needs more electronic equipment to remove various monitor task, such as, need the dust situation of staircase is checked and analyzed, with at dust too much, need cleaning time, the building's management center of notice staircase place residential building, facilitates building's management center arrangement cleanup crew to go to this staircase to sweep in time.
In prior art, there is not such electronic equipment in staircase, the cleaning of the dust of staircase remains a need for cleanup crew and periodically pinpoints process, and such processing mode expends substantial amounts of man power and material, process to dust is not prompt enough simultaneously, and cleaning efficiency is low.
More crucially, there is provided rational equipment accommodation space prior art the most to similar electronic equipment, the device space if each electronic device arrangement independence, the public space that then staircase is limited does not accommodates all electronic equipments at all, accordingly, it would be desirable to the public space of staircase is reasonably designed.
Accordingly, it would be desirable to a kind of can the energy meter of integrated new electronic monitoring equipment, be positioned at staircase, while optimization itself is to alternating electromotive force parameter detecting technology, the electronic equipment of compatible staircase dust monitoring, thus reach to reduce the purpose that electronic equipment takes up space.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of intelligent energy meter, each staircase energy meter in transformation prior art, its structure is improved, improve its precision to alternating electromotive force parameter detecting, it addition, design the dust detection equipment of a set of new integrated laser detection and image detection, and dust is detected integration of equipments on staircase energy meter, thus improve the intelligent level of energy meter.
According to one side of the present utility model, provide a kind of intelligent energy meter, described energy meter includes electric energy detection equipment, staircase dust condition detecting device and main control device, electric energy detection equipment is for detecting and export the electric energy of three-phase power circuit output, staircase dust condition detecting device is for detecting the dust state of staircase, and main control device is connected with electric energy detection equipment and staircase dust condition detecting device respectively.
nullMore specifically，In described intelligent energy meter，Including: dust concentration detection equipment，Including generating laser、Light-sensitive element、Signal amplifier、Built-in RAM and AT89C51 single-chip microcomputer，Generating laser is for emission detection laser in air，Light-sensitive element is for receiving the scattering laser after exploring laser light is scattered by dust particle，And scattering laser is converted to the pulse signal of correspondence，Signal amplifier is connected with light-sensitive element，For pulse signal is amplified，Built-in RAM is for prestoring the relevant information of reference laser particle signal，AT89C51 single-chip microcomputer is connected with signal amplifier and built-in RAM respectively，Pulse signal after amplifying is carried out Digital Signal Processing，The relevant information of result with reference laser particle signal is compared，With the dust concentration judged and in delivery air；CMOS vision sensor, is arranged on the housing of energy meter, carries out shooting to obtain high definition staircase image towards escalator；Complexity detection equipment, is connected with CMOS vision sensor, is used for receiving high definition staircase image, and calculates based on high definition staircase image and export image complexity；Gray scale converting apparatus, it is connected with CMOS vision sensor, for receiving high definition staircase image, for each pixel in high definition staircase image, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component to give different weighted values average to be weighted, to obtain corresponding gray value, the gray value composition gray level image of all pixels, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59 and 0.11；Image filtering equipment, it is connected with complexity detection equipment and gray scale converting apparatus respectively, for determining the filtering strategies of selection based on image complexity, when image complexity is below default complexity range lower limit, select gaussian filtering strategy that gray level image is filtered, when image complexity is more than default complexity range limit, select mean filter strategy that gray level image is filtered, when image complexity is within default complexity scope, select medium filtering strategy that gray level image is filtered；Overall situation binarizing apparatus, it is connected with complexity detection equipment and image filtering equipment respectively, for determining the determination strategy of overall situation binary-state threshold based on image complexity, after determining overall situation binary-state threshold, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment, the pixel value making the binary image after processing only has 0 or 255 these two kinds selections, wherein determine that the determination strategy of overall situation binary-state threshold specifically includes based on image complexity: when image complexity is below default complexity range lower limit, Two-peak method is used to determine overall situation binary-state threshold, when image complexity is more than default complexity range limit, maximum variance between clusters is used to determine overall situation binary-state threshold, when image complexity is within default complexity scope, mean value method is used to determine overall situation binary-state threshold；Image correcting device, is connected to receive binary image with overall situation binarizing apparatus, processes for binary image carries out rotation correction process, redundancy cutting process and image normalization successively, to obtain correction chart picture；Image segmentation apparatus, it is connected with image correcting device and gray scale converting apparatus respectively, for detecting the position on building ground in correction chart picture based on default building ground contour, and position based on building ground is partitioned into the gray processing ground image of correspondence at gray level image；Cleannes detection equipment, it is connected with image segmentation apparatus, gray value for whole pixels based on gray processing ground image calculates the average gray of gray processing ground image, and average gray is compared with default gray value, when average gray is less than or equal to presetting gray value, send and need clean signal, when average gray is less than presetting gray value, sends and need not clean signal；Current sensor, is connected with three-phase power circuit, for the current signal in three-phase power circuit is carried out size conversion, exports the micro-current signal less relative to the current signal in three-phase power circuit；Voltage sensor, is connected with three-phase power circuit, for the voltage signal in three-phase power circuit is carried out size conversion, exports the micro voltage signal less relative to the voltage signal in three-phase power circuit；Anti-aliasing Filter Circuits, is connected with current sensor and voltage sensor respectively, for the micro-current signal received and micro voltage signal are carried out anti-aliasing filter process, and the micro-current signal after processing with output and micro voltage signal；Three-phase electric energy metering equipment, is connected with Anti-aliasing Filter Circuits, determines each phase and the conjunction active power of phase, reactive power and apparent energy in three-phase power circuit based on the micro-current signal after processing and micro voltage signal；Rectifying installation, is connected with three-phase power circuit, and being used for the AC rectification of three-phase power circuit is unidirectional current；Pressure stabilizing device, is connected with rectifying installation, for unidirectional current is carried out voltage stabilizing process；Potential device, is connected with pressure stabilizing device, processes for the unidirectional current after voltage stabilizing carries out transformation to obtain the running voltage required for each electronic equipment, and the running voltage required for each electronic equipment includes 36V, 12V, 5V and 3.3V；Calendar clock equipment, including calendar clock chip and lithium battery, calendar clock chip is used for providing real time clock data, it is connected also by synchronous serial interface I2C and Ling Yang SPCE061A chip, lithium battery is connected with calendar clock chip, for providing non-firm power support for calendar clock chip under powering-off state；Liquid crystal display, including segment liquid crystal display driver and a LCDs, a segment liquid crystal display driver is connected by synchronous serial interface I2C and Ling Yang SPCE061A chip, for controlling the display content in LCDs；FLASH storage device, uses AT45DB081 chip, carries out bidirectional data exchange by serial peripheral equipment interface SPI and Ling Yang SPCE061A chip；Integrated Communication Devices, it is connected with Ling Yang SPCE061A chip, including infrared transmitter, infrared remote receiver, optocoupler, RS485 driver and RS485 communication interface, infrared transmitter uses the modulation light of 38kHz, traffic rate is 1200bps, infrared remote receiver uses open collector mode to export the digital signal demodulating out from the infrared light received, RS485 driver is connected with RS485 communication interface, and optocoupler for being isolated from RS485 driver and RS485 communication interface by infrared transmitter and infrared remote receiver；Ling Yang SPCE061A chip, it is connected with potential device, calendar clock equipment, liquid crystal display, FLASH storage device, Integrated Communication Devices and three-phase electric energy metering equipment respectively, for realizing potential device, calendar clock equipment, liquid crystal display, FLASH storage device, Integrated Communication Devices and the control of three-phase electric energy metering equipment；Ling Yang SPCE061A chip is connected with dust concentration detection equipment and cleannes detection equipment the most respectively, when the dust concentration received more than or equal to preset concentration threshold value and receive need clean signal time, send dust and cross multi signal, when the dust concentration received less than preset concentration threshold value or receive need not clean signal time, send dust normal signal；Frequency duplex communications interface, is connected with Ling Yang SPCE061A chip, is sent to the building's management center of far-end for dust is crossed multi signal, sends cleanup crew to go to the staircase of correspondence to carry out cleaning works triggering building's management center.
More specifically, in described intelligent energy meter: FLASH storage device also stored for preset concentration threshold value.
More specifically, in described intelligent energy meter: FLASH storage device also stored for presetting gray value.
More specifically, in described intelligent energy meter: cleannes detection equipment is also connected with FLASH storage device.
More specifically, in described intelligent energy meter: the capacity of AT45DB081 chip is 1M byte.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is the block diagram according to the intelligent energy meter shown in this utility model embodiment.
Fig. 2 is the block diagram of the calendar clock equipment according to the intelligent energy meter shown in this utility model embodiment.
Reference: 1 electric energy detection equipment；2 staircase dust condition detecting devices；3 main control devices；4 calendar clock chips；5 lithium batteries
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of intelligent energy meter of the present utility model is described in detail.
At present, the energy meter of staircase is still simple function equipment, and it occupies certain common equipment space, alternating electromotive force circuit can only be carried out parameter detecting, and not possess other functions, and meanwhile, the mechanism of its detection is still improved space.
Simultaneously, the hygienic cleaning of staircase is typically responsible for by the building's management center of staircase place residential building, by the way of employing cleanup crew, go to each staircase to carry out fixed point every the set time to sweep up dust, this mode does not accounts for the actual distribution situation of the dust of staircase, such as, the accumulating rate of autumn and dust in winter is different, thus it is unreasonable to easily lead to dust cleaning frequency, excessively rely on artificial, expend a large amount of man power and material, improve the property cost of resident the most to a certain extent.
But, if designing a set of staircase dust condition detecting device, such equipment is disposed for each staircase, by causing, the most nervous staircase public space is more crowded to capacity, therefore, need function merging to be placed in the same device space some with integrated electronic equipment, thus reduce and staircase public space is taken.
In order to overcome above-mentioned deficiency, this utility model has built a kind of intelligent energy meter, existing staircase energy meter is carried out structure of modification, on the one hand, optimize its accuracy of detection to alternating electromotive force circuit, on the other hand, by appropriate design internal structure, the equipment that detected by dust is received in the energy meter device space, thus decreases and take staircase public space.
Fig. 1 is the block diagram according to the intelligent energy meter shown in this utility model embodiment, described energy meter includes electric energy detection equipment, staircase dust condition detecting device and main control device, electric energy detection equipment is for detecting and export the electric energy of three-phase power circuit output, staircase dust condition detecting device is for detecting the dust state of staircase, and main control device is connected with electric energy detection equipment and staircase dust condition detecting device respectively.
Then, continue the concrete structure of intelligent energy meter of the present utility model is further detailed.
Described energy meter includes: dust concentration detection equipment, including generating laser, light-sensitive element, signal amplifier, built-in RAM and AT89C51 single-chip microcomputer, generating laser is for emission detection laser in air, light-sensitive element is for receiving the scattering laser after exploring laser light is scattered by dust particle, and scattering laser is converted to the pulse signal of correspondence, signal amplifier is connected with light-sensitive element, for pulse signal is amplified, built-in RAM is for prestoring the relevant information of reference laser particle signal, AT89C51 single-chip microcomputer is connected with signal amplifier and built-in RAM respectively, pulse signal after amplifying is carried out Digital Signal Processing, the relevant information of result with reference laser particle signal is compared, with the dust concentration judged and in delivery air.
Described energy meter includes: CMOS vision sensor, is arranged on the housing of energy meter, carries out shooting to obtain high definition staircase image towards escalator；Complexity detection equipment, is connected with CMOS vision sensor, is used for receiving high definition staircase image, and calculates based on high definition staircase image and export image complexity；Gray scale converting apparatus, it is connected with CMOS vision sensor, for receiving high definition staircase image, for each pixel in high definition staircase image, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component to give different weighted values average to be weighted, to obtain corresponding gray value, the gray value composition gray level image of all pixels, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59 and 0.11.
Described energy meter includes: image filtering equipment, it is connected with complexity detection equipment and gray scale converting apparatus respectively, for determining the filtering strategies of selection based on image complexity, when image complexity is below default complexity range lower limit, select gaussian filtering strategy that gray level image is filtered, when image complexity is more than default complexity range limit, select mean filter strategy that gray level image is filtered, when image complexity is within default complexity scope, select medium filtering strategy that gray level image is filtered.
nullDescribed energy meter includes: overall situation binarizing apparatus，It is connected with complexity detection equipment and image filtering equipment respectively，For determining the determination strategy of overall situation binary-state threshold based on image complexity，After determining overall situation binary-state threshold，Use overall situation binary-state threshold that gray level image is carried out binary conversion treatment，The pixel value making the binary image after processing only has 0 or 255 these two kinds selections，Wherein determine that the determination strategy of overall situation binary-state threshold specifically includes based on image complexity: when image complexity is below default complexity range lower limit，Two-peak method is used to determine overall situation binary-state threshold，When image complexity is more than default complexity range limit，Maximum variance between clusters is used to determine overall situation binary-state threshold，When image complexity is within default complexity scope，Mean value method is used to determine overall situation binary-state threshold；Image correcting device, is connected to receive binary image with overall situation binarizing apparatus, processes for binary image carries out rotation correction process, redundancy cutting process and image normalization successively, to obtain correction chart picture.
Described energy meter includes: image segmentation apparatus, it is connected with image correcting device and gray scale converting apparatus respectively, for detecting the position on building ground in correction chart picture based on default building ground contour, and position based on building ground is partitioned into the gray processing ground image of correspondence at gray level image；Cleannes detection equipment, it is connected with image segmentation apparatus, gray value for whole pixels based on gray processing ground image calculates the average gray of gray processing ground image, and average gray is compared with default gray value, when average gray is less than or equal to presetting gray value, send and need clean signal, when average gray is less than presetting gray value, sends and need not clean signal.
Described energy meter includes: current sensor, is connected with three-phase power circuit, for the current signal in three-phase power circuit is carried out size conversion, exports the micro-current signal less relative to the current signal in three-phase power circuit；Voltage sensor, is connected with three-phase power circuit, for the voltage signal in three-phase power circuit is carried out size conversion, exports the micro voltage signal less relative to the voltage signal in three-phase power circuit；Anti-aliasing Filter Circuits, is connected with current sensor and voltage sensor respectively, for the micro-current signal received and micro voltage signal are carried out anti-aliasing filter process, and the micro-current signal after processing with output and micro voltage signal.
Described energy meter includes: three-phase electric energy metering equipment, is connected with Anti-aliasing Filter Circuits, determines each phase and the conjunction active power of phase, reactive power and apparent energy in three-phase power circuit based on the micro-current signal after processing and micro voltage signal；Rectifying installation, is connected with three-phase power circuit, and being used for the AC rectification of three-phase power circuit is unidirectional current；Pressure stabilizing device, is connected with rectifying installation, for unidirectional current is carried out voltage stabilizing process；Potential device, is connected with pressure stabilizing device, processes for the unidirectional current after voltage stabilizing carries out transformation to obtain the running voltage required for each electronic equipment, and the running voltage required for each electronic equipment includes 36V, 12V, 5V and 3.3V.
As shown in Figure 2, described energy meter includes: calendar clock equipment, including calendar clock chip and lithium battery, calendar clock chip is used for providing real time clock data, it is connected also by synchronous serial interface I2C and Ling Yang SPCE061A chip, lithium battery is connected with calendar clock chip, for providing non-firm power support for calendar clock chip under powering-off state；Liquid crystal display, including segment liquid crystal display driver and a LCDs, a segment liquid crystal display driver is connected by synchronous serial interface I2C and Ling Yang SPCE061A chip, for controlling the display content in LCDs.
Described energy meter includes: FLASH storage device, uses AT45DB081 chip, carries out bidirectional data exchange by serial peripheral equipment interface SPI and Ling Yang SPCE061A chip；Integrated Communication Devices, it is connected with Ling Yang SPCE061A chip, including infrared transmitter, infrared remote receiver, optocoupler, RS485 driver and RS485 communication interface, infrared transmitter uses the modulation light of 38kHz, traffic rate is 1200bps, infrared remote receiver uses open collector mode to export the digital signal demodulating out from the infrared light received, RS485 driver is connected with RS485 communication interface, and optocoupler for being isolated from RS485 driver and RS485 communication interface by infrared transmitter and infrared remote receiver.
Described energy meter includes: Ling Yang SPCE061A chip, it is connected with potential device, calendar clock equipment, liquid crystal display, FLASH storage device, Integrated Communication Devices and three-phase electric energy metering equipment respectively, for realizing potential device, calendar clock equipment, liquid crystal display, FLASH storage device, Integrated Communication Devices and the control of three-phase electric energy metering equipment；Ling Yang SPCE061A chip is connected with dust concentration detection equipment and cleannes detection equipment the most respectively, when the dust concentration received more than or equal to preset concentration threshold value and receive need clean signal time, send dust and cross multi signal, when the dust concentration received less than preset concentration threshold value or receive need not clean signal time, send dust normal signal.
Described energy meter includes: frequency duplex communications interface, is connected with Ling Yang SPCE061A chip, is sent to the building's management center of far-end for dust is crossed multi signal, sends cleanup crew to go to the staircase of correspondence to carry out cleaning works triggering building's management center.
Alternatively, in described intelligent energy meter: FLASH storage device also stored for preset concentration threshold value；FLASH storage device also stored for presetting gray value；Cleannes detection equipment is also connected with FLASH storage device；And the capacity of AT45DB081 chip is chosen as 1M byte..
It addition, energy meter is used to measure the instrument of electric energy, also known as kilowatt-hour meter, electric energy meter, kilowatt-hour table, refer to measure the instrument of various electrical quantities.
Energy meter is divided by purposes, can be divided into: meritorious energy meter, idle energy meter, maximum demand meter, standard energy meter, multi tariff timesharing energy meter, pre-payment energy meter (point coin-feed, magnetic card type, electric card type), loss energy meter, multi-functional energy meter and intelligence energy meter.
Energy meter is divided by operation principle, can be divided into: vicarious (mechanical type), state type (electronic type), electromechanical (hybrid).
Energy meter divides by accessing phase line, can be divided into single-phase, phase three-wire three, three-phase and four-line energy meter.
Use intelligent energy meter of the present utility model, dust detection equipment accommodation space and energy meter detection efficiency technical problem on the lower side cannot be solved for prior art simultaneously, by appropriate design energy meter internal structure, optimize the energy meter testing mechanism to alternating electromotive force circuit, more crucially, by the staircase gray scale detection integration of equipments of integrated laser detection and image detection in energy meter, thus avoid excessively taking staircase public space.
Although it is understood that this utility model discloses as above with preferred embodiment, but above-described embodiment is not limited to this utility model.For any those of ordinary skill in the art, without departing under technical solutions of the utility model ambit, technical solutions of the utility model are made many possible variations and modification by the technology contents that all may utilize the disclosure above, or are revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within the range of technical solutions of the utility model protection.
Claims (6)
1. an intelligent energy meter, described energy meter includes electric energy detection equipment, staircase dust condition detecting device and main control device, electric energy detection equipment is for detecting and export the electric energy of three-phase power circuit output, staircase dust condition detecting device is for detecting the dust state of staircase, and main control device is connected with electric energy detection equipment and staircase dust condition detecting device respectively.
2. intelligent energy meter as claimed in claim 1, it is characterised in that described energy meter includes:
Dust concentration detection equipment, including generating laser, light-sensitive element, signal amplifier, built-in RAM and AT89C51 single-chip microcomputer, generating laser is for emission detection laser in air, light-sensitive element is for receiving the scattering laser after exploring laser light is scattered by dust particle, and scattering laser is converted to the pulse signal of correspondence, signal amplifier is connected with light-sensitive element, for pulse signal is amplified, built-in RAM is for prestoring the relevant information of reference laser particle signal, AT89C51 single-chip microcomputer is connected with signal amplifier and built-in RAM respectively, pulse signal after amplifying is carried out Digital Signal Processing, the relevant information of result with reference laser particle signal is compared, with the dust concentration judged and in delivery air；
CMOS vision sensor, is arranged on the housing of energy meter, carries out shooting to obtain high definition staircase image towards escalator；
Complexity detection equipment, is connected with CMOS vision sensor, is used for receiving high definition staircase image, and calculates based on high definition staircase image and export image complexity；
Gray scale converting apparatus, it is connected with CMOS vision sensor, for receiving high definition staircase image, for each pixel in high definition staircase image, extract its R, G, B tri-Color Channel component, to R, G, B tri-Color Channel component to give different weighted values average to be weighted, to obtain corresponding gray value, the gray value composition gray level image of all pixels, wherein R, G, B tri-the weighted value of Color Channel component be respectively 0.3,0.59 and 0.11；
Image filtering equipment, it is connected with complexity detection equipment and gray scale converting apparatus respectively, for determining the filtering strategies of selection based on image complexity, when image complexity is below default complexity range lower limit, select gaussian filtering strategy that gray level image is filtered, when image complexity is more than default complexity range limit, select mean filter strategy that gray level image is filtered, when image complexity is within default complexity scope, select medium filtering strategy that gray level image is filtered；
Overall situation binarizing apparatus, it is connected with complexity detection equipment and image filtering equipment respectively, for determining the determination strategy of overall situation binary-state threshold based on image complexity, after determining overall situation binary-state threshold, use overall situation binary-state threshold that gray level image is carried out binary conversion treatment, the pixel value making the binary image after processing only has 0 or 255 these two kinds selections, wherein determine that the determination strategy of overall situation binary-state threshold specifically includes based on image complexity: when image complexity is below default complexity range lower limit, Two-peak method is used to determine overall situation binary-state threshold, when image complexity is more than default complexity range limit, maximum variance between clusters is used to determine overall situation binary-state threshold, when image complexity is within default complexity scope, mean value method is used to determine overall situation binary-state threshold；
Image correcting device, is connected to receive binary image with overall situation binarizing apparatus, processes for binary image carries out rotation correction process, redundancy cutting process and image normalization successively, to obtain correction chart picture；
Image segmentation apparatus, it is connected with image correcting device and gray scale converting apparatus respectively, for detecting the position on building ground in correction chart picture based on default building ground contour, and position based on building ground is partitioned into the gray processing ground image of correspondence at gray level image；
Cleannes detection equipment, it is connected with image segmentation apparatus, gray value for whole pixels based on gray processing ground image calculates the average gray of gray processing ground image, and average gray is compared with default gray value, when average gray is less than or equal to presetting gray value, send and need clean signal, when average gray is less than presetting gray value, sends and need not clean signal；
Current sensor, is connected with three-phase power circuit, for the current signal in three-phase power circuit is carried out size conversion, exports the micro-current signal less relative to the current signal in three-phase power circuit；
Voltage sensor, is connected with three-phase power circuit, for the voltage signal in three-phase power circuit is carried out size conversion, exports the micro voltage signal less relative to the voltage signal in three-phase power circuit；
Anti-aliasing Filter Circuits, is connected with current sensor and voltage sensor respectively, for the micro-current signal received and micro voltage signal are carried out anti-aliasing filter process, and the micro-current signal after processing with output and micro voltage signal；
Three-phase electric energy metering equipment, is connected with Anti-aliasing Filter Circuits, determines each phase and the conjunction active power of phase, reactive power and apparent energy in three-phase power circuit based on the micro-current signal after processing and micro voltage signal；
Rectifying installation, is connected with three-phase power circuit, and being used for the AC rectification of three-phase power circuit is unidirectional current；
Pressure stabilizing device, is connected with rectifying installation, for unidirectional current is carried out voltage stabilizing process；
Potential device, is connected with pressure stabilizing device, processes for the unidirectional current after voltage stabilizing carries out transformation to obtain the running voltage required for each electronic equipment, and the running voltage required for each electronic equipment includes 36V, 12V, 5V and 3.3V；
Calendar clock equipment, including calendar clock chip and lithium battery, calendar clock chip is used for providing real time clock data, it is connected also by synchronous serial interface I2C and Ling Yang SPCE061A chip, lithium battery is connected with calendar clock chip, for providing non-firm power support for calendar clock chip under powering-off state；
Liquid crystal display, including segment liquid crystal display driver and a LCDs, a segment liquid crystal display driver is connected by synchronous serial interface I2C and Ling Yang SPCE061A chip, for controlling the display content in LCDs；
FLASH storage device, uses AT45DB081 chip, carries out bidirectional data exchange by serial peripheral equipment interface SPI and Ling Yang SPCE061A chip；
Integrated Communication Devices, it is connected with Ling Yang SPCE061A chip, including infrared transmitter, infrared remote receiver, optocoupler, RS485 driver and RS485 communication interface, infrared transmitter uses the modulation light of 38kHz, traffic rate is 1200bps, infrared remote receiver uses open collector mode to export the digital signal demodulating out from the infrared light received, RS485 driver is connected with RS485 communication interface, and optocoupler for being isolated from RS485 driver and RS485 communication interface by infrared transmitter and infrared remote receiver；
Ling Yang SPCE061A chip, it is connected with potential device, calendar clock equipment, liquid crystal display, FLASH storage device, Integrated Communication Devices and three-phase electric energy metering equipment respectively, for realizing potential device, calendar clock equipment, liquid crystal display, FLASH storage device, Integrated Communication Devices and the control of three-phase electric energy metering equipment；Ling Yang SPCE061A chip is connected with dust concentration detection equipment and cleannes detection equipment the most respectively, when the dust concentration received more than or equal to preset concentration threshold value and receive need clean signal time, send dust and cross multi signal, when the dust concentration received less than preset concentration threshold value or receive need not clean signal time, send dust normal signal；
Frequency duplex communications interface, is connected with Ling Yang SPCE061A chip, is sent to the building's management center of far-end for dust is crossed multi signal, sends cleanup crew to go to the staircase of correspondence to carry out cleaning works triggering building's management center.
3. intelligent energy meter as claimed in claim 2, it is characterised in that:
FLASH storage device also stored for preset concentration threshold value.
4. intelligent energy meter as claimed in claim 2, it is characterised in that:
FLASH storage device also stored for presetting gray value.
5. intelligent energy meter as claimed in claim 4, it is characterised in that:
Cleannes detection equipment is also connected with FLASH storage device.
6. the intelligent energy meter as described in claim 2-5 is arbitrary, it is characterised in that:
The capacity of AT45DB081 chip is 1M byte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620245875.2U CN205450110U (en) | 2016-03-28 | 2016-03-28 | Intelligent gas meter |
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| CN201620245875.2U CN205450110U (en) | 2016-03-28 | 2016-03-28 | Intelligent gas meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU210148U1 (en) * | 2021-12-15 | 2022-03-30 | Федеральное государственное бюджетное учреждение науки Сибирский федеральный научный центр агробиотехнологий Российской академии наук (СФНЦА РАН) | Device for monitoring outdoor air pollution with particulate matter |
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2016
- 2016-03-28 CN CN201620245875.2U patent/CN205450110U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU210148U1 (en) * | 2021-12-15 | 2022-03-30 | Федеральное государственное бюджетное учреждение науки Сибирский федеральный научный центр агробиотехнологий Российской академии наук (СФНЦА РАН) | Device for monitoring outdoor air pollution with particulate matter |
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