CN202868893U - Cold storage water pump energy-saving control device in ice storage refrigeration system based on internet of things - Google Patents
Cold storage water pump energy-saving control device in ice storage refrigeration system based on internet of things Download PDFInfo
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- CN202868893U CN202868893U CN 201220538428 CN201220538428U CN202868893U CN 202868893 U CN202868893 U CN 202868893U CN 201220538428 CN201220538428 CN 201220538428 CN 201220538428 U CN201220538428 U CN 201220538428U CN 202868893 U CN202868893 U CN 202868893U
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Abstract
The utility model substantially discloses a cold storage water pump energy-saving control device in an ice storage refrigeration system based on internet of things, which comprises an ice bucket and a refrigeration host, wherein the refrigeration host and the ice bucket are connected by adopting an ethylene glycol solution pipeline, and an ice storage water pump is arranged on the ethylene glycol solution pipeline. Simultaneously, the cold storage water pump energy-saving control device in the ice storage refrigeration system based on the internet of things further comprises a liquid level sensor, an ice bucket network intelligent controller, a water pump network intelligent controller which are arranged in the ice bucket, wherein the liquid level sensor is connected with the ice bucket network intelligent controller, a frequency changer of the ice storage water pump is connected with the water pump network intelligent controller, and the ice bucket network intelligent controller and the water pump network intelligent controller are connected through Ethernet network to achieve network communication. The cold storage water pump energy-saving control device in the ice storage refrigeration system based on the internet of things form communication between the ice storage water pump and the ice bucket, automatically adjusts working frequency of the ice storage water pump according to practical icing situation of the ice bucket in the ice storage refrigeration system, and further saves energy and power.
Description
Technical field
The utility model relates to the energy-conserving control technology field, and is special in a kind of relevant based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things.
Background technology
In large-scale place, adopt the conventional air-conditioning mode that the supply of the energy is provided, provide the energy by refrigeration machine, be transported to end by conveyance conduit, reclaim energy circulation from end again.This usual manner power consumption is large, present national electricity consumption energy shortage, and particularly to two seasons of winter in summer, such as hospital, market, school, station, airport etc., there is great energy demand in the large-scale place of various places, causes annual power shortage.
At present, according to the gist of a document that electrical power industry bureau of Economic and Trade Commission of pricing bureau dispatches a joint document, resident living power utility is carried out the peak-trough electricity policy, will be divided into two time periods in one day 24 hours, 8:00-22:00 was called crest segment totally in 14 hours, and carrying out the peak electricity price is 0.56 yuan/kWh; 22:00-next day 8:00 was called the paddy section totally in 10 hours, and carrying out the paddy electricity price is 0.28 yuan/kWh.Thus, the electric energy that uses in the paddy section stored in the crest segment use, such mode just can be given the many electric energy of large-scale electricity consumption place saving.How electric energy in the paddy section is stored in the crest segment and use, a lot of research staff have done many exploitations for this problem, and the ice-reserving refrigeration system is called a kind of hot technology and is the heat handful of Energy Saving Control those skilled in the art institute.
Ice-reserving refrigeration system commonly used as shown in Figure 1, in the whole system, the input house steward 103 of ice bucket 10 is connected with the output port 401 of refrigeration host computer 40, the delivery trunk 104 of ice bucket 10 is connected with the input port 402 of refrigeration host computer 40.The input house steward 103 of ice bucket 10 is connected with the ethylene glycol output port 201 of switch 20 simultaneously, the output of ice bucket is connected with the input port 202 of switch ethylene glycol, switch chilled water output 203 is connected with terminal input port 301, and switch chilled water input port 204 is connected with terminal output port 302.Wherein when paddy section time ice-reserving, ethylene glycol solution circulates between ice bucket 10 and refrigeration host computer 40, when ethylene glycol solution enters ice bucket 10, flow in the coiled pipe in ice bucket 10, and coiled pipe is under water, after the ethylene glycol solution of low temperature and water carry out energy exchange, freezes so that water temperature descends, with the form accumulation of energy of ice, in order to using in the crest segment time.The power of ethylene glycol solution circulation is by cold-storage water pump 403, and namely the ethylene glycol solution pump drives.
In said system, ice bucket 10 is in sealing state, and inner ice-reserving state can't intuitively see, and cold-storage water pump 403 also is in the full power operation state always, can't automatically adjust according to actual ice-reserving situation.So the inventor is for this situation, in conjunction with present technology of Internet of things, to design a kind ofly based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things, this case produces thus.
The utility model content
Main purpose of the present utility model provides a kind of based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things, communication will be formed between ice-reserving water pump and the ice bucket, automatically adjust the operating frequency of ice-reserving water pump according to the actual icing situation of ice bucket in the ice-reserving refrigeration system, further energy saving.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind ofly comprise ice bucket, refrigeration host computer based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things, adopt the ethylene glycol solution pipeline to connect between refrigeration host computer and the ice bucket, at the ethylene glycol solution pipeline ice-reserving water pump is installed; Also comprise simultaneously the liquid level sensor that is installed in ice bucket inside, ice bucket network intelligent controller, water pump network intelligent controller; Liquid level sensor connects the ice bucket network intelligent controller, and the frequency converter of ice-reserving water pump connects the water pump network intelligent controller; Ice bucket network intelligent controller, water pump network intelligent controller connect by Ethernet, realize group-net communication.
Described ice bucket network intelligent controller comprises master control borad one, the power module one that links to each other with master control borad one, communications network interface one; Master control borad one input connects described liquid level sensor, and master control borad one is realized being connected with Ethernet by communications network interface one simultaneously, carries out the transmitting-receiving of data.
Described water pump network intelligent controller comprises master control borad two, the power module two that links to each other with master control borad two, communications network interface two; Master control borad two outputs connect the frequency converter of ice-reserving water pump, and master control borad two is realized being connected with Ethernet by communications network interface two simultaneously, carries out the transmitting-receiving of data.
After adopting such scheme, when the utility model uses, volume becomes large after ice bucket freezes, when liquid level reaches the liquid level sensor position, producing liquid level signal is passed on the ice bucket network intelligent controller, by the Ethernet data exchange, the water pump network intelligent controller reduces the operating frequency of the frequency converter of ice-reserving water pump according to the control instruction that liquid level signal produces.Otherwise, when the ice bucket liquid level is low, be in the ice-reserving process, increase the operating frequency of the frequency converter of ice-reserving water pump.
The utility model can be according to actual ice bucket ice-reserving situation, and the duty of regulating the ice-reserving water pump is carried out data communication with ice-reserving water pump and ice bucket networking, the combination of inner and outside, efficient control is avoided the ice-reserving water pump to be under the full load condition always and is worked, and greatly reduces air conditioning energy consumption.
Description of drawings
Fig. 1 is the structural representation of existing ice-reserving refrigeration system;
Fig. 2 is the structural representation of the utility model preferred embodiment;
Fig. 3 is the utility model preferred embodiment ice bucket network intelligent controller and water pump network intelligent controller networking connection diagram.
The specific embodiment
In conjunction with Fig. 2 Fig. 3, preferred embodiment is described in further details to the utility model.
A kind ofly comprise ice bucket 1, refrigeration host computer 4 based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things, adopt ethylene glycol solution pipeline 3 to connect between refrigeration host computer 4 and the ice bucket 1, form a circulation.
Particularly, the input house steward 13 of ice bucket 1 is connected with the output port 41 of refrigeration host computer 4, and the delivery trunk 14 of ice bucket 1 is connected with the input port 42 of refrigeration host computer 4.The input house steward 13 of ice bucket 1 is connected with the ethylene glycol output port 21 of switch 2 simultaneously, the output of ice bucket is connected with the input port 22 of switch ethylene glycol, switch chilled water output 23 is connected with terminal input port 31, and switch chilled water input port 24 is connected with terminal output port 32.Wherein when paddy section time ice-reserving, ethylene glycol solution circulates between ice bucket 1 and refrigeration host computer 4, when ethylene glycol solution enters ice bucket 1, flow in the coiled pipe in ice bucket 1, and coiled pipe is under water, after the ethylene glycol solution of low temperature and water carry out energy exchange, freezes so that water temperature descends, with the form accumulation of energy of ice, in order to using in the crest segment time.The power of ethylene glycol solution circulation is by cold-storage water pump 43, and namely the ethylene glycol solution pump drives.
Key point of the present utility model is that the bucket wall in ice bucket 1 is installed liquid level sensor 11, and the signal data line of liquid level sensor 11 is connected to ice bucket network intelligent controller 5.Ice bucket network intelligent controller 5 mainly comprises master control borad 1, the power module 1 that links to each other with master control borad 1, communications network interface 1.Master control borad one 51 inputs are connected with liquid level sensor 11, and master control borad 1 is connected with Ethernet 8 by communications network interface 1 simultaneously, carries out the transmitting-receiving of data.
In addition, connect water pump network intelligent controller 7 on the cold-storage water pump 43, water pump network intelligent controller 7 comprises master control borad 2 71, the power module 2 72 that links to each other with master control borad 2 71, communications network interface 2 73.Master control borad 2 71 outputs connect the frequency converter 6 of cold cold-storage water pump 43, and master control borad 2 71 is realized being connected with Ethernet 8 by communications network interface 2 72 simultaneously, carries out the transmitting-receiving of data.Frequency converter 6 can be so that ice-reserving water pump 43 be divided into 0%, 25%, 50%, 100% 4 level of power consumption.
Master control borad 1, master control borad 2 71 adopt ARM Cortex-M3 chip in the present embodiment, its kernel STM32 aims at the Embedded Application specialized designs that requires high-performance, low cost, low-power consumption, is divided into two different series: STM32F103 " enhancement mode " series and STM32F101 " basic model " series by performance.Enhancement mode series clock frequency reaches 72MHz, is the highest product of like product performance, and it and provides higher performance and the function of Geng Gao on the basis of not improving high power consumption and cost.Adopt the serial STM32F103VET6 of STM32F103 " enhancement mode " in the present embodiment, be 32 based on the band flash memory of ARM core, USB, the microprocessor of CAN, it has first-class peripheral hardware (two 12 ADC of 1 μ s, the UART of 4 megabit per seconds, the SPI of 18 megabit per seconds, the I/O reversal rate of 18MHz), low-power consumption is (at 72MHz, consume 36mA when all peripheral hardwares are in running order, drop to 2 μ A during standby), maximum integrated level (reset circuit, low-voltage detects, pressure regulator, accurate RC oscillator etc.) and simple structure and the easy-to-use characteristics such as instrument.
When ice bucket 1 night (paddy section time) ice-reserving, water freezing in the ice bucket 1, it is large that volume becomes, liquid level raises, and liquid level sensor 11 produces liquid level signal through ice bucket network intelligent controller 5, sends on the water pump network intelligent controller 7 by Ethernet 8, then water pump network intelligent controller 7 calculates through internal analysis, draw corresponding control instruction, send on the frequency converter 6, be on which level of power consumption by frequency converter 6 control ice-reserving water pumps 43 and work.Thus in the utility model, according to the ice bucket that the detects state that freezes, the running status of automatically regulating ice-reserving water pump 43, ice-reserving water pump 43 needn't all be in power consumption state always, saves energy consumption than former ice-reserving refrigeration system.
Above-described embodiment only is used for explaining inventive concept of the present utility model, but not to the restriction of the utility model rights protection, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into protection domain of the present utility model.
Claims (3)
1. one kind based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things, comprises ice bucket, refrigeration host computer, adopts the ethylene glycol solution pipeline to connect between refrigeration host computer and the ice bucket, at the ethylene glycol solution pipeline ice-reserving water pump is installed; It is characterized in that: also comprise simultaneously the liquid level sensor that is installed in ice bucket inside, ice bucket network intelligent controller, water pump network intelligent controller; Liquid level sensor connects the ice bucket network intelligent controller, and the frequency converter of ice-reserving water pump connects the water pump network intelligent controller; Ice bucket network intelligent controller, water pump network intelligent controller connect by Ethernet, realize group-net communication.
2. as claimed in claim 1 a kind of based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things, it is characterized in that: described ice bucket network intelligent controller comprises master control borad one, the power module one that links to each other with master control borad one, communications network interface one; Master control borad one input connects described liquid level sensor, and master control borad one is realized being connected with Ethernet by communications network interface one simultaneously, carries out the transmitting-receiving of data.
3. as claimed in claim 1 or 2 a kind of based on cold-storage pump energy saving control device in the ice-reserving refrigeration system of Internet of Things, it is characterized in that: described water pump network intelligent controller comprises master control borad two, the power module two that links to each other with master control borad two, communications network interface two; Master control borad two outputs connect the frequency converter of ice-reserving water pump, and master control borad two is realized being connected with Ethernet by communications network interface two simultaneously, carries out the transmitting-receiving of data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538428 CN202868893U (en) | 2012-10-19 | 2012-10-19 | Cold storage water pump energy-saving control device in ice storage refrigeration system based on internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538428 CN202868893U (en) | 2012-10-19 | 2012-10-19 | Cold storage water pump energy-saving control device in ice storage refrigeration system based on internet of things |
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| CN202868893U true CN202868893U (en) | 2013-04-10 |
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| CN 201220538428 Expired - Fee Related CN202868893U (en) | 2012-10-19 | 2012-10-19 | Cold storage water pump energy-saving control device in ice storage refrigeration system based on internet of things |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2012
- 2012-10-19 CN CN 201220538428 patent/CN202868893U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20151019 |
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| EXPY | Termination of patent right or utility model |