CN205374593U - A electric device for monitoring of air conditioning system energy consumption - Google Patents
A electric device for monitoring of air conditioning system energy consumption Download PDFInfo
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- CN205374593U CN205374593U CN201521122350.1U CN201521122350U CN205374593U CN 205374593 U CN205374593 U CN 205374593U CN 201521122350 U CN201521122350 U CN 201521122350U CN 205374593 U CN205374593 U CN 205374593U
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Abstract
The utility model discloses an electric device for monitoring of air conditioning system energy consumption, the device body constituteed including casing, preceding end cap, back end cap, upper cover, lower cover and arrange the inside detection circuitry of device body in, wherein, the notch department of upper cover is equipped with a LCD screen, and the LCD screen right side is equipped with pilot lamp and button, three -layer step form is constituteed with preceding end cap jointly to the casing, set up a plurality of wiring end on the casing front end, shell backend is equipped with power source and communication interface, detection circuitry fixes and covers last, including power module, exchanges the sampling interface, MCU processing module, communication interface, liquid crystal display interface, inputoutput interface. This device supports for air conditioner energy consumption monitoring system provides reliable data, provides effectual solution for enterprise's electric energy optimization.
Description
Technical field
This utility model belongs to electrical engineering technical field, more particularly, to a kind of electric device for air conditioning energy consumption monitoring.
Background technology
Along with developing rapidly of China's economy, central air conditioner system has become as the indispensable important infrastructure of Creating Comfort, efficient operation and living environment.According to statistics, central air conditioner system energy consumption often accounts for more than the 50% of large public building energy consumption, it is common to lacks for system operational management, select control strategy, assessment energy saving of system effect to provide objective valid data.Therefore, under the overall situation advocating energy-saving and emission-reduction, low-carbon economy, central air conditioner system has become as the focus of attention of energy-saving field.Set up energy consumption monitoring and analysis platform, energy consumption is carried out monitoring, by various energy consumption analysis measures, promote central air-conditioning energy operation and management level improve constantly become in the urgent need to, Electrical energy distribution is optimized for larger office and manufacturing enterprise and uses and save operating cost and have great significance.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electric device for air conditioning energy consumption monitoring, provides effective solution for enterprise electrical energy optimization.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of electric device for air conditioning energy consumption monitoring, including housing, front plug, rear plug, upper cover, lower cover composition device body and be placed in the testing circuit within device body, wherein
The notch place of described upper cover is provided with a liquid crystal display screen, is provided with display lamp and button on the right side of liquid crystal display screen, and it is step-like that described housing and front plug collectively constitute three layers, and described housing forward end arranges multiple terminals；Described housing rear end is provided with power interface and PORT COM；
Described testing circuit be fixed on described on cover, including power module, AC sampling unit, MCU processing unit, communication interface, liquid crystal display and input/output interface；Described power module is to AC sampling unit, MCU processing unit, communication interface, and liquid crystal display and input/output interface are powered；Described AC sampling unit is connected with MCU processing unit, can realize the sampling of three-phase alternating voltage current signal, and carries out the metering of user power utilization, and by the data transmission that gathers to MCU processing unit；Described input/output interface is connected with MCU processing unit, and the sky folding situation of user is opened and monitored to the sky for automatically controlling user；The outfan of described MCU processing unit is connected with the input of liquid crystal display and communication interface respectively, and MCU processing unit is sent to communication interface the energy data collected, and communication interface transmits data to master system by bus.
Further, this electric device also includes the burning mouth that is arranged on described housing forward end.
Further, described forward and backward plug and lower cover adopt buckle structure to be combined as a whole.
Further, described AC sampling unit adopts ATT7022C chip.
The beneficial effects of the utility model: this utility model can control indoor on duty, control user power utilization and the service condition of inquiry user's air conditioning electricity, simple in construction easily.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the block diagram of testing circuit of the present utility model.
Fig. 3 is the schematic diagram of liquid crystal display.
Fig. 4 is the schematic diagram of AC sampling unit.
Fig. 5 is the schematic diagram of MCU processing unit.
Fig. 6 is the schematic diagram of power module.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is elaborated.
As it is shown in figure 1, be a kind of electric device for air conditioning energy consumption monitoring of the present utility model, including the device body being made up of housing, front plug 7, rear plug 8, upper cover 9, lower cover 10 and be placed in the testing circuit within device body, wherein,
The notch place of described upper cover 9 is provided with a liquid crystal display screen 1, is provided with display lamp 2 and button 3 on the right side of liquid crystal display screen, and it is step-like that described housing and front plug collectively constitute three layers, and described housing forward end arranges multiple terminals 5；Described housing rear end is provided with power interface and PORT COM；
Described testing circuit is fixed on described upper cover 9, as in figure 2 it is shown, include power module, and AC sampling unit, MCU processing unit, communication interface, liquid crystal display and input/output interface；Described AC sampling unit is connected with MCU processing unit, input/output interface is connected with MCU processing unit, the outfan of MCU processing unit is connected with the input of liquid crystal display and communication interface respectively, MCU processing unit is sent to communication interface the energy data collected, and communication interface transmits data to master system by bus.
Power module provides corresponding direct-current working volts to AC sampling unit, MCU processing unit, communication interface, liquid crystal display and input/output interface.
Communication interface passes through RS485 bus, the information of terminal is passed to concentrator, and the order of the autonomous platform of execution, it is major control management object by large user, household etc., it is achieved again to the comprehensive confession electricity consumption monitoring of power consumer, control and management from server to ethernet concentrator.
MCU processing unit is saved in the flash chip of processing unit and waits that main website calls survey together after various data are carried out statistical analysis, processing unit also performs main the order issued simultaneously, and processing unit is further equipped with the USB interface of standard, upgrades for field adjustable.
AC sampling unit can realize the sampling of three-phase alternating voltage current signal, and carries out the metering of user power utilization.
Liquid crystal display can cross the power consumption of display each household user, real-time voltage, electric current, active power, reactive power sampling, and user controls whether normally.
The sky folding situation of user is opened and monitored to input/output interface for the sky automatically controlling user.
Communication interface includes the USB interface of standard, upgrades for field adjustable, realizes the communication with up concentrator with RS485 bus, it is achieved and the communication between main.
As it is shown on figure 3, liquid crystal display includes OCM12864 liquid crystal display screen, LCD power control circuit, LED show and on-off circuit and USB and faller gill interface.
As shown in Figure 4, AC sampling unit adopts the anti-electricity-theft three-phase electrical energy computation chip ATT7022C of high accuracy, the Embedded ADC on 16,7 tunnel, wherein 3 tunnels are for three-phase voltage sampling, 3 tunnels are for three-phase current sampling, a road is also had to can be used for neutral line current or the sampling of other anti-electricity-theft parameters, it is adaptable to phase three-wire three and three-phase and four-line application.It can measure each phase and close phase include the active power of first-harmonic, harmonic wave and all-wave, reactive power, apparent energy, meritorious energy and quadergy, the parameters such as each phase current, the virtual value of voltage, power factor, phase angle, frequency can also be measured simultaneously, fully meet the demand of three-phase compound tariff multifunctional electric energy meter.ATT7022 supports the gain in digital territory, phase place little Zheng, i.e. pure software calibration.Meritorious, reactive energy pulse output CF1, CF2 provide instantaneous active, reactive power information, it is possible to be directly connected to standard scale, carry out error correction.
As it is shown in figure 5, MCU processing unit includes single-chip microcomputer main control chip, capacitor filter, clock circuit, FRAM poke device and voltage x current sample circuit；What MCU processor adopted is the single-chip microcomputer of single clock/machine cycle (1T) that macrocrystalline science and technology produces, and is high speed/low-power consumption/superpower jamproof 8051 single-chip microcomputers of new generation, instruction code completely compatible traditional 8051, but fast 8～12 times of speed.Being internally integrated MAX810 Special reset circuit, 2 road PWM, 8 road 10-bit high speed A/D change (250K/S), for motor control, strong jamming occasion.Running voltage: 3.6V～2.2V(3V single-chip microcomputer), operating frequency range: 0～35MHz, be equivalent to the 0～420MHz of common 8051, user application space 62K byte, integrated 1280 byte RAM on sheet, universaling I/O port (36/40/44), operating temperature range :-40～+85 DEG C.
As shown in Figure 6, power module includes 485 optical coupling isolation circuits, power supply voltage stabilizing and filter capacitor, control circuit and winding displacement interface.
In the present embodiment, this electric device also includes the burning mouth 4 that is arranged on housing forward end.
In the present embodiment, forward and backward plug and lower cover adopt buckle structure to be combined as a whole.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (4)
1. the electric device for air conditioning energy consumption monitoring, it is characterised in that: include housing, device body that front plug (7), rear plug (8), upper cover (9), lower cover (10) form and be placed in the testing circuit within device body, wherein,
The notch place of described upper cover (9) is provided with a liquid crystal display screen (1), is provided with display lamp (2) and button (3) on the right side of liquid crystal display screen, and it is step-like that described housing and front plug collectively constitute three layers, and described housing forward end arranges multiple terminals (5)；Described housing rear end is provided with power interface and PORT COM；
Described testing circuit is fixed on described upper cover (9), including power module, AC sampling unit, MCU processing unit, communication interface, liquid crystal display and input/output interface；Described power module is to AC sampling unit, MCU processing unit, communication interface, and liquid crystal display and input/output interface are powered；Described AC sampling unit is connected with MCU processing unit, can realize the sampling of three-phase alternating voltage current signal, and carries out the metering of user power utilization, and by the data transmission that gathers to MCU processing unit；Described input/output interface is connected with MCU processing unit, and the sky folding situation of user is opened and monitored to the sky for automatically controlling user；The outfan of described MCU processing unit is connected with the input of liquid crystal display and communication interface respectively, and MCU processing unit is sent to communication interface the energy data collected, and communication interface transmits data to master system by bus.
2. a kind of electric device for air conditioning energy consumption monitoring according to claim 1, it is characterised in that: this electric device also includes the burning mouth (4) being arranged on described housing forward end.
3. a kind of electric device for air conditioning energy consumption monitoring according to claim 1, it is characterised in that: described forward and backward plug and lower cover adopt buckle structure to be combined as a whole.
4. a kind of electric device for air conditioning energy consumption monitoring according to claim 1, it is characterised in that: described AC sampling unit adopts ATT7022C chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521122350.1U CN205374593U (en) | 2015-12-31 | 2015-12-31 | A electric device for monitoring of air conditioning system energy consumption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521122350.1U CN205374593U (en) | 2015-12-31 | 2015-12-31 | A electric device for monitoring of air conditioning system energy consumption |
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| CN205374593U true CN205374593U (en) | 2016-07-06 |
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| CN201521122350.1U Active CN205374593U (en) | 2015-12-31 | 2015-12-31 | A electric device for monitoring of air conditioning system energy consumption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650426A (en) * | 2020-06-10 | 2020-09-11 | 浙江瑞银电子有限公司 | Heavy current direct current ammeter based on twin-core technique |
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2015
- 2015-12-31 CN CN201521122350.1U patent/CN205374593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650426A (en) * | 2020-06-10 | 2020-09-11 | 浙江瑞银电子有限公司 | Heavy current direct current ammeter based on twin-core technique |
| CN111650426B (en) * | 2020-06-10 | 2021-06-25 | 浙江瑞银电子有限公司 | Heavy current direct current ammeter based on twin-core technique |
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