CN203732920U - Charging area managing device of central air conditioner - Google Patents
Charging area managing device of central air conditioner Download PDFInfo
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- CN203732920U CN203732920U CN201420023881.4U CN201420023881U CN203732920U CN 203732920 U CN203732920 U CN 203732920U CN 201420023881 U CN201420023881 U CN 201420023881U CN 203732920 U CN203732920 U CN 203732920U
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- 238000004891 communication Methods 0.000 claims abstract description 95
- 238000004378 air conditioning Methods 0.000 claims description 23
- 239000013078 crystal Substances 0.000 claims description 9
- 230000001629 suppression Effects 0.000 claims description 7
- 230000001052 transient effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a charging area managing device of a central air conditioner. The managing device comprises a microprocessor, an uplink communication module and a downlink communication module, wherein the uplink communication module comprises a double-channel digital isolator, a photoelectric isolator, a first RS-485 level converter and an uplink communication interface, and the downlink communication module comprises a triode, a second RS-485 level converter and a downlink communication interface. First serial ports of the microprocessor are connected with the uplink communication interface successively through the double-channel digital isolator and the first RS-485 level converter, the control ends of the first serial ports of the microprocessor are respectively connected with the control ends of the first RS-485 level converter via the photoelectric isolator, second serial ports of the microprocessor are connected with the downlink communication interface via the second RS-485 level converter, and signals of the control end of the second serial ports of the microprocessor are driven by the triode and then input into the control ends of the second RS-485 level converter. The charging area managing device of the central air conditioner is strong in functions and high in reliability.
Description
(1), technical field: the utility model relates to a kind of accounting management device, particularly a kind of Charging System of Central Air Conditioning district management device.
(2), background technology: along with the fast development of China's economic society, central air conditioner has entered the places such as Jia Ting ﹑ office more and more, the household metering system of central air conditioner also engenders, existing household metering system forms an accounting management network by plurality of devices mostly, this accounting management network control and managing the charging of each user's air-conditioning, wherein, region accounting management device in this accounting management network is responsible for data transmission and the coordination of upstream plant and downstream plant, it is an important step in accounting management network, but, the function of existing region accounting management device is more single, reliability a little less than.
(3), utility model content:
The technical problems to be solved in the utility model is: for prior art deficiency, provide that a kind of function is strong, the Charging System of Central Air Conditioning district management device of good reliability.
The technical solution of the utility model:
A kind of Charging System of Central Air Conditioning district management device, contain central processing module, uplink communication module, downgoing communication module and power module, in central processing module, contain microprocessor, in uplink communication module, contain two-channel digital isolator, photoisolator, a RS-485 level translator and uplink communication interface, in downgoing communication module, contain triode, the 2nd RS-485 level translator and downgoing communication interface; The first serial communication interface of microprocessor is connected with the Transistor-Transistor Logic level signal end of a RS-485 level translator by two-channel digital isolator, 485 signal ends of the one RS-485 level translator are connected with uplink communication interface, and the first serial communication interface control end of microprocessor is connected with the control end of a RS-485 level translator by photoisolator; The second serial communication interface of microprocessor is connected with the Transistor-Transistor Logic level signal end of the 2nd RS-485 level translator, 485 signal ends of the 2nd RS-485 level translator are connected with downgoing communication interface, and the signal of the second serial communication interface control end of microprocessor enters the control end of the 2nd RS-485 level translator after driving by triode; Power module is central processing module, uplink communication module and downgoing communication module for power supply.
485 signal ends of the one RS-485 level translator are connected with uplink communication interface by the first thermistor, and 485 signal ends of a RS-485 level translator also and be connected to the first Transient Suppression Diode and the first lightning protection diode; 485 signal ends of the 2nd RS-485 level translator are connected with downgoing communication interface by the second thermistor, and 485 signal ends of the 2nd RS-485 level translator also and be connected to the second Transient Suppression Diode and the second lightning protection diode.
In Charging System of Central Air Conditioning district management device, also contain clock generation module, in clock generation module, contain clock crystal oscillator, clock generator and battery, clock crystal oscillator is connected with the crystal oscillator end of clock generator, battery is connected with the power end of clock generator, and the serial communication interface of clock generator is connected with the clock serial communication interface of microprocessor; Power module is also clock generation module for power supply.
In Charging System of Central Air Conditioning district management device, also containing display module, the demonstration mouth of microprocessor is connected with display module.
In Charging System of Central Air Conditioning district management device, also contain network communication interface, the first serial communication interface, network communication control end and the reset terminal of microprocessor are connected with network communication interface.
In central processing module, also contain power supply of microprocessor monitor and storer, the output terminal of power supply of microprocessor monitor is connected with the reset terminal of microprocessor, and storer is connected with the serial storage mouthful of microprocessor.
In central processing module, also contain temperature sensor, temperature sensor is arranged on the waterpipe of central air conditioner, and the signal and communication end of temperature sensor is connected with the temperature signal communication terminal of microprocessor.
In power module, contain rectifier, a DC-DC voltage changer and the 2nd DC-DC voltage changer, the electric main of outside input enters the input end of rectifier, the output terminal of rectifier is connected with the input end of a DC-DC voltage changer, and the output terminal of a DC-DC voltage changer is to uplink communication module for power supply; The direct current of outside input enters the input end of the 2nd DC-DC voltage changer, and the output terminal of the 2nd DC-DC voltage changer is to central processing module, downgoing communication module, clock generation module and display module power supply.
The beneficial effects of the utility model:
1. uplink communication module of the present utility model adopts two-channel digital isolator and photoisolator to isolate communication signal, effectively prevent the interference of upstream plant to central air conditioning area accounting management device, and, in uplink communication module and downgoing communication module, all adopt thermistor, Transient Suppression Diode and lightning protection diode to carry out circuit protection, greatly increased reliability of the present utility model and anti-tampering property.
2. clock generation module of the present utility model can provide the real-time time, is conducive to the record of real time data; Network communication interface makes Charging System of Central Air Conditioning management devices energy and internet communication, is conducive to the transmission of data; Temperature sensor can detect the water temperature in air-conditioning duct, so that the calculating of heat; Therefore, function of the present utility model is strong.
(4), brief description of the drawings:
Fig. 1 is the circuit theory schematic diagram of central processing module;
Fig. 2 is the circuit theory schematic diagram of display module;
Fig. 3 is the circuit theory schematic diagram of clock generation module;
Fig. 4 is the circuit theory schematic diagram of network communication interface;
Fig. 5 is the circuit theory schematic diagram of uplink communication module;
Fig. 6 is the circuit theory schematic diagram of downgoing communication module;
Fig. 7 is the circuit theory schematic diagram of power module.
(5), embodiment:
Referring to Fig. 1～Fig. 7, in figure, Charging System of Central Air Conditioning district management device contains central processing module, uplink communication module, downgoing communication module and power module, in central processing module, contain microprocessor U202, in uplink communication module, contain two-channel digital isolator U3, photoisolator U1, a RS-485 level translator U2 and uplink communication interface, in downgoing communication module, contain triode Q1, the 2nd RS-485 level translator U4 and downgoing communication interface; The first serial communication interface RXD1, the TXD1 of microprocessor U202 is connected with the Transistor-Transistor Logic level signal end 1,4 of a RS-485 level translator U2 by two-channel digital isolator U3,485 signal ends 6,7 of the one RS-485 level translator U2 are connected with uplink communication interface, and the first serial communication interface control end PG3, the PG4 of microprocessor U202 is connected with the control end 2,3 of a RS-485 level translator U2 by photoisolator U1; The second serial communication interface RXD0, the TXD0 of microprocessor U202 is connected with the Transistor-Transistor Logic level signal end 1,4 of the 2nd RS-485 level translator U4,485 signal ends 6,7 of the 2nd RS-485 level translator U4 are connected with downgoing communication interface, and the signal of the second serial communication interface control end PE7 of microprocessor U202 enters the control end 2,3 of the 2nd RS-485 level translator U4 after driving by triode Q1; Power module is central processing module, uplink communication module and downgoing communication module for power supply.
The model of microprocessor U202 is: ATmega128A-AU; The model of two-channel digital isolator U3 is: ADUM1201; The model of the one RS-485 level translator U2 is: MAX485E/BL3085; The model of the 2nd RS-485 level translator U4 is: SP3485.
485 signal ends 6,7 of the one RS-485 level translator U2 are connected with uplink communication interface by the first thermistor PT1, PT2, and the first Transient Suppression Diode ZD1, ZD2, ZD3 and the first lightning protection diode VR1, VR2, VR3 are gone back and be connected to 485 signal ends 6,7 of a RS-485 level translator U2; 485 signal ends 6,7 of the 2nd RS-485 level translator U4 are connected with downgoing communication interface by the second thermistor PT3, PT4, and the second Transient Suppression Diode ZD4, ZD5, ZD6 and the second lightning protection diode VR4, VR5, VR6 are gone back and be connected to 485 signal ends 6,7 of the 2nd RS-485 level translator U4.
In Charging System of Central Air Conditioning district management device, also contain clock generation module, in clock generation module, contain clock crystal oscillator Y401, clock generator U401 and battery BAT401, clock crystal oscillator Y401 is connected with crystal oscillator end OSCI, the OSCO of clock generator U401, battery BAT401 is connected with the power end VDD of clock generator U401 by diode D403, and serial communication interface SCL, the SDA of clock generator U401 is connected with clock serial communication interface SCL, the SDA of microprocessor U202; Power module is also clock generation module for power supply.
The model of clock generator U401 is: PCF8563.
In Charging System of Central Air Conditioning district management device, also contain display module, demonstration mouth PA0-PA7, the PC0-PC7 of microprocessor U202 are connected with display module, in display module, contain charactron DS401, DS402, demonstration mouth PA0-PA7, the PC0-PC7 of microprocessor U202 are connected with charactron DS401, DS402 respectively.
In Charging System of Central Air Conditioning district management device, also contain network communication interface P2, the first serial communication interface RXD1, TXD1, network communication control end PD6, PD7 and the reset terminal RESET of microprocessor U202 are connected with network communication interface P2.
In central processing module, also contain power supply of microprocessor monitor U201 and storer U7, the output terminal RST of power supply of microprocessor monitor U201 is connected with the reset terminal RESET of microprocessor U202, and storer U7 is connected with a serial storage mouthful PB0-PB4 of microprocessor U202.
The model of power supply of microprocessor monitor U201 is: SGM706-S; The model of storer U7 is: FM25040A.
In central processing module, also contain temperature sensor, temperature sensor is arranged on the waterpipe of central air conditioner, and the signal and communication end of temperature sensor is connected with the temperature signal communication terminal PG0 of microprocessor U202.
The model of temperature sensor is: DS18B20.
In central processing module, also contain DLL (dynamic link library), DLL (dynamic link library) is connected with microprocessor U202.
In power module, contain rectifier B101, a DC-DC voltage changer U102 and the 2nd DC-DC voltage changer U101, the 220V electric main of outside input enters the input end of rectifier B101, the output terminal of rectifier B101 is connected with the input end of a DC-DC voltage changer U102, and the output terminal of a DC-DC voltage changer is to uplink communication module for power supply; The 12V direct current of outside input enters the input end of the 2nd DC-DC voltage changer U101, and the output terminal of the 2nd DC-DC voltage changer U101 is to central processing module, downgoing communication module, clock generation module and display module power supply.
The model of the one DC-DC voltage changer U102 is: 7805; The model of the 2nd DC-DC voltage changer U101 is: LM2596-3.3.
Claims (8)
1. a Charging System of Central Air Conditioning district management device, contain central processing module, uplink communication module, downgoing communication module and power module, it is characterized in that: in central processing module, contain microprocessor, in uplink communication module, contain two-channel digital isolator, photoisolator, a RS-485 level translator and uplink communication interface, in downgoing communication module, contain triode, the 2nd RS-485 level translator and downgoing communication interface; The first serial communication interface of microprocessor is connected with the Transistor-Transistor Logic level signal end of a RS-485 level translator by two-channel digital isolator, 485 signal ends of the one RS-485 level translator are connected with uplink communication interface, and the first serial communication interface control end of microprocessor is connected with the control end of a RS-485 level translator by photoisolator; The second serial communication interface of microprocessor is connected with the Transistor-Transistor Logic level signal end of the 2nd RS-485 level translator, 485 signal ends of the 2nd RS-485 level translator are connected with downgoing communication interface, and the signal of the second serial communication interface control end of microprocessor enters the control end of the 2nd RS-485 level translator after driving by triode; Power module is central processing module, uplink communication module and downgoing communication module for power supply.
2. Charging System of Central Air Conditioning district management device according to claim 1, it is characterized in that: 485 signal ends of a described RS-485 level translator are connected with uplink communication interface by the first thermistor, 485 signal ends of a RS-485 level translator also and be connected to the first Transient Suppression Diode and the first lightning protection diode; 485 signal ends of the 2nd RS-485 level translator are connected with downgoing communication interface by the second thermistor, and 485 signal ends of the 2nd RS-485 level translator also and be connected to the second Transient Suppression Diode and the second lightning protection diode.
3. Charging System of Central Air Conditioning district management device according to claim 1, it is characterized in that: also contain clock generation module, in clock generation module, contain clock crystal oscillator, clock generator and battery, clock crystal oscillator is connected with the crystal oscillator end of clock generator, battery is connected with the power end of clock generator, and the serial communication interface of clock generator is connected with the clock serial communication interface of microprocessor; Power module is also clock generation module for power supply.
4. Charging System of Central Air Conditioning district management device according to claim 3, is characterized in that: also, containing display module, the demonstration mouth of microprocessor is connected with display module.
5. Charging System of Central Air Conditioning district management device according to claim 1, is characterized in that: also contain network communication interface, the first serial communication interface, network communication control end and the reset terminal of microprocessor are connected with network communication interface.
6. Charging System of Central Air Conditioning district management device according to claim 1, it is characterized in that: in described central processing module, also contain power supply of microprocessor monitor and storer, the output terminal of power supply of microprocessor monitor is connected with the reset terminal of microprocessor, and storer is connected with the serial storage mouthful of microprocessor.
7. Charging System of Central Air Conditioning district management device according to claim 1, it is characterized in that: in described central processing module, also contain temperature sensor, temperature sensor is arranged on the waterpipe of central air conditioner, and the signal and communication end of temperature sensor is connected with the temperature signal communication terminal of microprocessor.
8. Charging System of Central Air Conditioning district management device according to claim 4, it is characterized in that: in described power module, contain rectifier, a DC-DC voltage changer and the 2nd DC-DC voltage changer, the electric main of outside input enters the input end of rectifier, the output terminal of rectifier is connected with the input end of a DC-DC voltage changer, and the output terminal of a DC-DC voltage changer is to uplink communication module for power supply; The direct current of outside input enters the input end of the 2nd DC-DC voltage changer, and the output terminal of the 2nd DC-DC voltage changer is to central processing module, downgoing communication module, clock generation module and display module power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023881.4U CN203732920U (en) | 2014-01-15 | 2014-01-15 | Charging area managing device of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023881.4U CN203732920U (en) | 2014-01-15 | 2014-01-15 | Charging area managing device of central air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN203732920U true CN203732920U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420023881.4U Expired - Fee Related CN203732920U (en) | 2014-01-15 | 2014-01-15 | Charging area managing device of central air conditioner |
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| Country | Link |
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| CN (1) | CN203732920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215874A (en) * | 2014-09-19 | 2014-12-17 | 郑州春泉节能股份有限公司 | Multiple gear speed motor gear control line connection losing detection method and device |
-
2014
- 2014-01-15 CN CN201420023881.4U patent/CN203732920U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215874A (en) * | 2014-09-19 | 2014-12-17 | 郑州春泉节能股份有限公司 | Multiple gear speed motor gear control line connection losing detection method and device |
| CN104215874B (en) * | 2014-09-19 | 2017-04-05 | 郑州春泉节能股份有限公司 | Multi-speed motor gear control line goes offline detection method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Charging area managing device of central air conditioner Effective date of registration: 20151229 Granted publication date: 20140723 Pledgee: Bank of Zhengzhou Limited by Share Ltd. Baihua Road Branch Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING Co.,Ltd. Registration number: 2015990001190 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161228 Granted publication date: 20140723 Pledgee: Bank of Zhengzhou Limited by Share Ltd. Baihua Road Branch Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING Co.,Ltd. Registration number: 2015990001190 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |