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CN202868919U - Cooling tower energy-saving control device in ice storage refrigeration system based on internet of things - Google Patents

Cooling tower energy-saving control device in ice storage refrigeration system based on internet of things Download PDF

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Publication number
CN202868919U
CN202868919U CN 201220538816 CN201220538816U CN202868919U CN 202868919 U CN202868919 U CN 202868919U CN 201220538816 CN201220538816 CN 201220538816 CN 201220538816 U CN201220538816 U CN 201220538816U CN 202868919 U CN202868919 U CN 202868919U
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CN
China
Prior art keywords
cooling tower
ice
intelligent controller
ice bucket
network intelligent
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Expired - Fee Related
Application number
CN 201220538816
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Chinese (zh)
Inventor
张建平
任淼锋
彭勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG WEIMIN ENERGY TECHNOLOGY Co Ltd
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ZHEJIANG WEIMIN ENERGY TECHNOLOGY Co Ltd
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Priority to CN 201220538816 priority Critical patent/CN202868919U/en
Application granted granted Critical
Publication of CN202868919U publication Critical patent/CN202868919U/en
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Abstract

The utility model substantially discloses a cooling tower 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, and the refrigeration host is connected with at least two cooling towers. Simultaneously, the cooling tower energy-saving control device in the ice storage refrigeration system based on the internet of things further comprises a liquid level sensor, a cooling tower switch valve, an ice bucket network intelligent controller and a cooling tower network intelligent controller which are arranged in the ice bucket, wherein the liquid level sensor is connected with the ice bucket network intelligent controller, the cooling tower switch valve is connected with the cooling tower network intelligent controller, and the ice bucket network intelligent controller, the cooling tower network intelligent controller are connected with Ethernet network to achieve network communication. The ice bucket and the cooling towers independently receive and send information, the ice bucket in the ice storage refrigeration system can automatically adjust working state of the cooling towers on the refrigeration host according to practical icing situation, and the energy and the power are further saved.

Description

A kind of based on cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system
Technical field
The utility model relates to the energy-conserving control technology field, and special and a kind of to be applicable to large-scale place used relevant based on cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system in freezing.
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.
When refrigeration host computer 40 work, all be connected with cooling tower, cooling tower is a heat abstractor, is a kind of used heat that utilizes the evaporation of water heat absorption principle to leave to produce in the refrigeration host computer with the device of the operation that guarantees system.
Usually, cooling tower is always in running order, automatically flexible modulation is opened or is closed, and actual refrigeration host computer work meeting changes along with the energy storage situation in the ice bucket 10, the refrigeration host computer low power run often appears, and cooling tower still is in full load condition, causes most of energy waste.So the inventor for this situation, in conjunction with present technology of Internet of things, designs cooling tower energy-saving control device in the cover ice-reserving refrigeration system, this case produces thus.
The utility model content
Main purpose of the present utility model provides a kind of based on cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system, to independently receive and send messages between ice bucket and the cooling tower, ice bucket can freeze situation and automatically adjust the duty of cooling tower on the refrigeration host computer, further energy saving according to reality in the ice-reserving refrigeration system thus.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of based on cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system, comprise ice bucket, refrigeration host computer, 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, connect at least two cooling towers on the refrigeration host computer; Also comprise simultaneously the liquid level sensor, the cooling tower switch valve that are installed in ice bucket inside, ice bucket network intelligent controller, cooling tower network intelligent controller; Liquid level sensor connects the ice bucket network intelligent controller, and the cooling tower switch valve connects the cooling tower network intelligent controller; Ice bucket network intelligent controller, cooling tower 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 cooling tower 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 cooling tower switch valve, 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, liquid level reaches liquid level sensor, producing liquid level signal is passed on the ice bucket network intelligent controller, by the Ethernet data exchange, the control instruction that the cooling tower network intelligent controller produces according to liquid level signal reduces the quantity that the cooling tower switch valve is opened.Otherwise, when the ice bucket liquid level is low, being in the ice-reserving process, cooling tower is just controlled the work of all opening.
The utility model can be according to actual ice bucket ice-reserving situation, and the duty of regulating cooling tower is carried out data communication with cooling tower and ice bucket networking, the combination of inner and outside, efficient control is avoided refrigeration host computer and cooling tower 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 cooling tower 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 cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system, 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.
The refrigeration host computer 4 outside cooling towers 6 that connect circulate cooling water by cooling water pump between refrigeration host computer 4 and cooling tower 6, cooling tower 6 has altogether 3, connect with parallel way, are the cooling water heat radiation of refrigeration host computer 4.Each cooling tower 6 has switch valve 61, and switch valve 61 can open and close according to signal controlling.
Key point of the present utility model is that the bucket wall in ice bucket 1 is installed liquid level sensor 11, the signal data line of liquid level sensor 11 is connected to ice bucket network intelligent controller 5, and 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, the switch valve 61 on each cooling tower 6 is connected with cooling tower network intelligent controller 7, and cooling tower 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 cooling tower switch valve 61, 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.
Master control borad 1, master control borad 2 71 adopt ARM Cortex-M3 chip in the utility model, 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 master control borad one 51 inputs collect liquid level sensor 11 signals, water freezing in the ice bucket 1 is described, it is large that volume becomes, liquid level raises, liquid level sensor 11 produces corresponding liquid level signal through ice bucket network intelligent controller 5, sends on the cooling tower network intelligent controller 7 by Ethernet 8, and then cooling tower network intelligent controller 7 calculates through internal analysis, draw corresponding control instruction, closed portion is opened the switch valve 61 of cooling tower 6.Such mode has further reduced the energy consumption of refrigeration host computer 4 and the energy consumption of cooling tower 6, thus can be really according to the duty of the working condition system of ice bucket 1, save than former ice-reserving refrigeration system and to reduce discharging.
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 cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system, comprise ice bucket, refrigeration host computer, 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, connect at least two cooling towers on the refrigeration host computer; It is characterized in that: also comprise simultaneously the liquid level sensor, the cooling tower switch valve that are installed in ice bucket inside, ice bucket network intelligent controller, cooling tower network intelligent controller; Liquid level sensor connects the ice bucket network intelligent controller, and the cooling tower switch valve connects the cooling tower network intelligent controller; Ice bucket network intelligent controller, cooling tower network intelligent controller connect by Ethernet, realize group-net communication.
2. as claimed in claim 1 a kind of based on cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system, 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 cooling tower energy-saving control device in the Internet of Things ice-reserving refrigeration system, it is characterized in that: described cooling tower 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 cooling tower switch valve, and master control borad two is realized being connected with Ethernet by communications network interface two simultaneously, carries out the transmitting-receiving of data.
CN 201220538816 2012-10-19 2012-10-19 Cooling tower energy-saving control device in ice storage refrigeration system based on internet of things Expired - Fee Related CN202868919U (en)

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CN 201220538816 CN202868919U (en) 2012-10-19 2012-10-19 Cooling tower energy-saving control device in ice storage refrigeration system based on internet of things

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220538816 CN202868919U (en) 2012-10-19 2012-10-19 Cooling tower energy-saving control device in ice storage refrigeration system based on internet of things

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130410

Termination date: 20151019

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