CN203375587U - Air conditioning system - Google Patents

Air conditioning system Download PDF

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Publication number
CN203375587U
CN203375587U CN201320323687.3U CN201320323687U CN203375587U CN 203375587 U CN203375587 U CN 203375587U CN 201320323687 U CN201320323687 U CN 201320323687U CN 203375587 U CN203375587 U CN 203375587U
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CN
China
Prior art keywords
coil pipe
water
air
conditioning system
delivery port
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320323687.3U
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Chinese (zh)
Inventor
李钱生
何理
林艺锋
武斌
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.)
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Priority to CN201320323687.3U priority Critical patent/CN203375587U/en
Application granted granted Critical
Publication of CN203375587U publication Critical patent/CN203375587U/en
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Abstract

The utility model discloses an air conditioning system which comprises an air source refrigerating system and an auxiliary water circulation system. The air source refrigerating system is provided with a heat exchanger, the heat exchanger is provided with a coil pipe and a refrigerant pipe used for circulating refrigerants to exchange heat, and the coil pipe is provided with a coil pipe water outlet and a coil pipe water inlet. The auxiliary water circulation system is provided with a water inlet and a water outlet, the water inlet is connected with the coil pipe water outlet, and the water outlet is connected with the coil pipe water inlet. According to the air conditioning system, the performance and the energy utilization rate are improved.

Description

Air-conditioning system
Technical field
The utility model relates to heating-cooling equipment manufacturing technology field, particularly a kind of air-conditioning system.
Background technology
The FreeCooling technology is a kind of when outdoor temperature is relatively lower, and under the prerequisite of not opening compressor, only the heat exchange by cold wind and corresponding refrigerant realizes outdoor cold source is introduced in building heat is taken away, to reach the technology of cooling purpose.Traditional module Aircrew Microclimate Conditioning System does not adopt the FreeCooling technology.In addition, traditional module machine heat recovery mode realizes in the following manner, and the refrigerant that exhaust outlet of compressor is discharged is at first through a small-sized plate type heat exchanger, heat exchanger by with the water heat exchange after, return module machine and carry out kind of refrigeration cycle.This recuperation of heat mode still utilizes refrigerant and the water in system to carry out heat exchange in essence, does not play the effect that " used heat " reclaims, and has just strengthened the heat exchange efficiency (being equivalent to increase condenser) of condenser, and not to useless cold the utilization.
The utility model content
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, a purpose of the present utility model is to propose a kind of energy utilization rate air-conditioning system that improves.
According to air-conditioning system of the present utility model, air-source refrigeration system and the auxiliary water circulatory system.Described air-source refrigeration system has heat exchanger, and described heat exchanger has coil pipe and, for the refrigerant pipe of circulating refrigerant heat exchange, described coil pipe has coil pipe delivery port and coil pipe water inlet; The described auxiliary water circulatory system has water inlet and delivery port, and described water inlet is connected with described coil pipe delivery port, and described delivery port is connected with described coil pipe water inlet.
According to air-conditioning system of the present utility model, increased the auxiliary water circulatory system, wherein, when the water in the auxiliary water circulatory system passes through coil pipe, coil pipe and refrigerant pipe carry out heat exchange with air respectively, coil pipe can be collected in the refrigerant heat transfer process in refrigerant pipe and distribute aerial used heat, with the flow through temperature of water of coil pipe of change, water after temperature change can provide use, realized that refrigerant pipe distributes the purpose of aerial Waste Heat Recovery, not only improve the performance of air-conditioner, but also improved the utilization rate of the energy.
In addition, the above-mentioned air-conditioning system according to the utility model can also have following additional technical characterictic:
Described refrigerant pipe and described coil pipe are a plurality of, and described refrigerant pipe and described coil pipe interlaced arrangement.Thus, be convenient to refrigerant pipe and coil pipe and carry out heat exchange with air respectively, the water absorption refrigerant pipe be conducive in coil pipe distributes aerial used heat, improves the rate of recovery of used heat.
Described refrigerant pipe and described coil pipe are arranged to many rows, and every row's described refrigerant pipe and described coil pipe interval-staggered.Thus, be convenient to further coil pipe and carry out heat exchange with the air after the refrigerant pipe heat exchange, increased the recovery utilization rate of used heat.
The described auxiliary water circulatory system comprises water pump, temperature-sensing element and Pressure gauge, and described water pump has pump intake and pump outlet, and described pump outlet is connected with described coil pipe water inlet.Thus, make the auxiliary water circulating system structure simple, be convenient to control, the working condition that temperature-sensing element and Pressure gauge can be understood the auxiliary water circulatory system in real time is set, so that the auxiliary water circulatory system is controlled.
Described temperature-sensing element is located at described coil pipe water outlet.Thus, can obtain fast the water temperature after coil pipe and air or refrigerant pipe heat exchange, so that control water pump operation, make the water temperature of coil pipe output meet predetermined condition, improve the practicality of the auxiliary water circulatory system.
Described temperature-sensing element is two, and two described temperature-sensing elements are located at respectively described coil pipe water inlet and coil pipe water outlet.Thus, can Real-Time Monitoring coil pipe water inlet and the temperature difference of coil pipe delivery port, so that control the temperature that the water after heat exchange increases or reduces, easy to use.
Described Pressure gauge is at least two, and wherein two described Pressure gauges are located at respectively described coil pipe water inlet and described coil pipe water outlet.Thus, make current there is predetermined pressure, improved the security of device.And also be convenient to the installment and debugging of device.
Also comprise valve module, described valve module is respectively with described coil pipe delivery port, described pump intake, be connected with water source with water swivel, for described coil pipe delivery port is connected with described pump intake, or described coil pipe delivery port is connected and described pump intake is connected with described water source with water swivel with described.Thus, water is circulated in the auxiliary water circulatory system, or the water that passes into of water source through the discharge of the auxiliary water circulatory system for use, improved the performance of system.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram of the air-conditioning system of an embodiment of the utility model;
Fig. 2 is the schematic diagram of heat exchanger of the air-conditioning system of an embodiment of the present utility model;
Fig. 3 is the schematic diagram of heat exchanger of the air-conditioning system of another embodiment of the present utility model;
Fig. 4 is a schematic diagram of executing routine air-conditioning system of the present utility model;
Fig. 5 is a schematic diagram of executing routine air-conditioning system of the present utility model;
Fig. 6 is a schematic diagram of executing routine air-conditioning system of the present utility model;
Wherein, air-source refrigeration system 1, the auxiliary water circulatory system 2, heat exchanger 3, coil pipe 31, refrigerant pipe 32, coil pipe water inlet 311, coil pipe delivery port 312, refrigerant pipe import 321, refrigerant pipe outlet 322, water pump 21, temperature-sensing element 22, Pressure gauge 23, water source 4, use water swivel 5, reversal valve 61, water source switch 62.
The specific embodiment
Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only mean that the First Characteristic level height is less than Second Characteristic.
In traditional module machine heat reclamation device, the refrigerant that exhaust outlet of compressor is discharged is at first through a small-sized plate type heat exchanger, heat exchanger by with the water heat exchange after, return module machine and carry out kind of refrigeration cycle.This recuperation of heat mode still utilizes refrigerant and the water in system to carry out heat exchange in essence, does not play the effect that " used heat " reclaims, and has just strengthened the heat exchange efficiency (being equivalent to increase condenser) of condenser, and not to useless cold the utilization.For this reason, the utility model proposes a kind of novel air-conditioning system.
Describe with reference to the accompanying drawings the air-conditioning system of the utility model embodiment in detail.
As shown in Figure 1 to Figure 3, according to the air-conditioning system of the utility model embodiment, comprise air-source refrigeration system 1 and the auxiliary water circulatory system 2.
Particularly, air-source refrigeration system 1 has heat exchanger 3, heat exchanger 3 has coil pipe 31 and, for the refrigerant pipe 32 of circulating refrigerant heat exchange, coil pipe 31 has coil pipe water inlet 311 and coil pipe delivery port 312, and refrigerant pipe 32 has refrigerant pipe import 321 and refrigerant pipe outlet 322.Institute's auxiliary water circulatory system 2 has water inlet and delivery port, and described water inlet is connected with coil pipe delivery port 312, and described delivery port is connected with coil pipe water inlet 311.
Air-conditioning system according to the utility model embodiment, increased the auxiliary water circulatory system 2, wherein, when the water in the auxiliary water circulatory system 2 passes through coil pipe 31, coil pipe 31 and refrigerant pipe 32 carry out heat exchange with air respectively, coil pipe 3 can be collected in the refrigerant heat transfer process in refrigerant pipe 32 and distribute aerial used heat, with the flow through temperature of water of coil pipe 3 of change, water after temperature change can provide use, realized that refrigerant pipe 32 distributes the purpose of aerial Waste Heat Recovery, not only improve the performance of air-conditioner, but also improved the utilization rate of the energy.
In addition, when environment temperature is low, only open blower fan and the auxiliary water circulatory system 2, and close the compressor of air-source refrigeration system 1, when the current in the auxiliary water circulatory system 2 pass through coil pipe 31, to carry out heat exchange with cold air source, again the water through heat exchange is led to indoor end and replace indoor heat, reach the purpose that reduces indoor temperature, without the compressor that starts air-conditioning system, can realize refrigeration, improved the practicality of air-conditioning system, energy-conserving and environment-protective.
As shown in Figure 2, in embodiment more of the present utility model, refrigerant pipe 32 is a plurality of, and coil pipe 31 is a plurality of.Wherein, a plurality of refrigerant pipes 32 and a plurality of coil pipe 31 interlaced arrangement.Thus, be convenient to refrigerant pipe 32 and coil pipe 31 and carry out heat exchange with air respectively, the water absorption refrigerant pipe be conducive in coil pipe 31 distributes aerial used heat, improves the rate of recovery of used heat.
Further, as shown in Figures 2 and 3, refrigerant pipe 32 and coil pipe 31 are arranged to many rows, and every row's refrigerant pipe 32 and coil pipe 31 interval-staggered.In other words, Multi-row pipeline is set, wherein, the part in every row pipeline is coil pipe 31, and another part is refrigerant pipe 32, and the coil pipe in every row pipeline 31 and refrigerant pipe 32 interlaced arrangement.In other words, refrigerant pipe 32 is many rows, and each coil pipe all arranges the centre of two in each row of refrigerant pipe 32.Thus, be convenient to further coil pipe 31 and carry out heat exchange with the air after refrigerant pipe 32 heat exchange, increased the recovery utilization rate of used heat.
Particularly, as shown in Figure 2, coil pipe 31 and refrigerant pipe 32 are arranged to two rows, as shown in Figure 2, together with in heat exchanger 3, every coil pipe 31 and every refrigerant pipe 32 all interlock and intert, like this air draught by first row heat exchanger 3 heating or cooling after, will carry out heat exchange with cold (heat) source different from first row at second row.For example, in first row, air stream first with heat exchanger 3 in refrigerant pipe 32 carry out heat exchange, and then during by second row and the water in coil pipe 31 carry out heat exchange; Perhaps, in first row, air stream first with heat exchanger 3 in coil pipe 31 in water carry out heat exchange, and then during by second row and the refrigerant in refrigerant pipe 32 carry out heat exchange.
As shown in Figure 1, in embodiment more of the present utility model, the auxiliary water circulatory system 2 comprises water pump 21, temperature-sensing element 22 and Pressure gauge 23, and water pump 21 has pump intake and pump outlet.Described pump outlet is connected with described coil pipe water inlet 311.Thus, make the auxiliary water circulatory system 2 simple in structure, be convenient to control, the working condition that temperature-sensing element 22 and Pressure gauge 23 can be understood the auxiliary water circulatory system 2 in real time is set, so that the auxiliary water circulatory system 2 is controlled.
Particularly, as shown in Figure 4, in an embodiment of the present utility model, described pump intake is suitable for connecting water source 4, and described coil pipe delivery port 312 is suitable for connecting with water swivel 5.When the compressor start of air-conditioner, a part of dissipation of heat of refrigerant pipe 32 is in air.Pass into water from pump intake, under the effect of water pump 21, pass into the water process coil pipe 31 in water pump 21.Water in coil pipe 31 carries out heat exchange with the air that has absorbed the used heat of refrigerant pipe 32, makes the coolant-temperature gage in coil pipe 31 raise or reduce, and then, under the effect of water pump 21, the water in coil pipe 31 is discharged for use.
In addition, in traditional air-conditioning system, air-conditioning system is in low temperature (15 ℃<temperature≤10 ℃) heating operation, cause frosting on heat exchanger 3 when environment temperature is too low, to make heat exchanger 3 heat transfer effect variation, in order to improve the heat transfer effect of heat exchanger 3, need to regularly be defrosted.For this reason, in an embodiment of the present utility model, pass into the water with uniform temperature in the auxiliary water circulatory system 2, (temperature are generally more than 10 ℃) such as industrial wastewater, underground water.Under the effect of water pump, enter the current of the auxiliary water circulatory system 2 through coil pipe 31, coil pipe 31 carries out heat exchange with air, then with coil pipe 31 heat exchange after air will carry out heat exchange with refrigerant pipe 32, to avoid heat exchanger 3 frostings, also widened the range of operation that unit heats simultaneously.
Further, temperature-sensing element 22 is located at described coil pipe delivery port 312 places.Thus, can obtain fast the water temperature after coil pipe 31 and air or refrigerant pipe 32 heat exchange, so that control water pump 21 operations, make the water temperature of coil pipe 31 outputs meet predetermined condition, improve the practicality of the auxiliary water circulatory system 2.
Advantageously, temperature-sensing element 22 is two, and two temperature-sensing elements 22 are located at respectively described coil pipe water inlet 311 places and coil pipe delivery port 312 places.Thus, can Real-Time Monitoring coil pipe water inlet 311 and the temperature difference of coil pipe delivery port 312, so that control the temperature that the water after heat exchange increases or reduces, easy to use.
Wherein, in the control method of the air-conditioning system of an example of the present utility model, when the temperature difference of coil pipe water inlet 311 and coil pipe delivery port 312 is less than predetermined value, can reduce the flow of water pump 21, so that increase the time of the water heat exchange in coil pipe 31; When the temperature difference of coil pipe water inlet 311 and coil pipe delivery port 312 is not less than predetermined value, can make the flow of water pump 21 increase or constant, so that reduced or constant the time of the water heat exchange in coil pipe 31.
In addition, in the control method of the air-conditioning system of another example of the present utility model, for example, when the Inlet and outlet water temperature difference too small (≤2 ℃), in the air themperature that specification module machine air side is discharged and the auxiliary water circulatory system 2, water temperature approaches, now in the auxiliary water circulatory system 2, heat exchange efficiency is very low, at this moment can water pump cut out feedback signal.Close rear timing, open after a period of time (as half an hour), as water temperature difference normal (>2 ℃), normally operation, as open rear water temperature difference still too low (≤2 ℃), repeat aforesaid operations.
Advantageously, Pressure gauge 23 is at least two, and wherein two Pressure gauges 23 are located at respectively described coil pipe water inlet 311 places and described coil pipe delivery port 312 places.Thus, make current there is predetermined pressure, improved the security of device.And also be convenient to the installment and debugging of device.
As shown in Figure 5, in embodiment more of the present utility model, described pump intake is connected with described coil pipe delivery port 312.
Further, also comprise the heat exchanger tube (not shown), described heat exchanger tube connects between the water inlet and described coil pipe delivery port 312 of institute's auxiliary water circulatory system 2.Thus, heat exchanger tube can be located at indoor so that can carry out heat exchange with indoor air through the water of heat exchanger tube, with the temperature in conditioning chamber.
Advantageously, in specific embodiments more of the present utility model, also comprise valve module, described valve module is respectively with described coil pipe delivery port 312, described pump intake, be connected with water source 4 with water swivel 5.Wherein valve module is for commutation, and particularly, valve module is for making described coil pipe delivery port 312 be connected with described pump intake, or described coil pipe delivery port 312 with water swivel 5, be connected and described pump intake is connected with described water source 4.Thus, make water in the interior circulation of the auxiliary water circulatory system 2, or the water that passes into of water source through the discharge of the auxiliary water circulatory system 2 for use, improved the performance of system.
Particularly, as shown in Figure 6, valve module comprises reversal valve 61 and water source switch 62, and wherein, reversal valve is connected with water out adapter, pump intake and coil pipe delivery port 312 respectively, and water source 4 is connected with pump intake by water source switch.
Certainly, above-mentioned valve module is only a concrete example of the present utility model, is not to restriction of the present utility model, and this is for one of ordinary skill in the art will appreciate that.
The utility model has utilized Waste Heat Recovery, uses fully and originally is discharged into airborne heat, reasonably recycles, and has both reached the purpose of saving the energy, recycling, and has effectively increased again the efficiency of system.In general, in refrigerating operaton, the hot blast temperature that discharge the system air side can reach 40-60 ℃, the domestic water that hot blast heats by coil pipe also can reach 30-45 ℃ of left and right, so both effectively solved domestic hot-water's demand, utilize fully again the used heat energy, effectively reached the purpose of energy-conserving and environment-protective.
The utility model has also proposed a kind of all functions with traditional air-conditioning system, can also under specific environment, convert free cooling pattern to simultaneously.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiment of the present utility model, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art is not in the situation that break away from principle of the present utility model and aim can be changed above-described embodiment in scope of the present utility model, modification, replacement and modification.

Claims (8)

1. an air-conditioning system, is characterized in that, comprising:
The air-source refrigeration system, described air-source refrigeration system has heat exchanger, and described heat exchanger has coil pipe and, for the refrigerant pipe of circulating refrigerant heat exchange, described coil pipe has coil pipe delivery port and coil pipe water inlet; With
The auxiliary water circulatory system, the described auxiliary water circulatory system has water inlet and delivery port, and described water inlet is connected with described coil pipe delivery port, and described delivery port is connected with described coil pipe water inlet.
2. air-conditioning system according to claim 1, is characterized in that, described refrigerant pipe and described coil pipe are a plurality of, and described refrigerant pipe and described coil pipe interlaced arrangement.
3. air-conditioning system according to claim 2, is characterized in that, described refrigerant pipe and described coil pipe are arranged to many rows, and every row's described refrigerant pipe and described coil pipe interval-staggered.
4. air-conditioning system according to claim 1, is characterized in that, the described auxiliary water circulatory system comprises water pump, temperature-sensing element and Pressure gauge, and described water pump has pump intake and pump outlet, and described pump outlet is connected with described coil pipe water inlet.
5. air-conditioning system according to claim 4, is characterized in that, described temperature-sensing element is located at described coil pipe water outlet.
6. air-conditioning system according to claim 4, is characterized in that, described temperature-sensing element is two, and two described temperature-sensing elements are located at respectively described coil pipe water inlet and coil pipe water outlet.
7. air-conditioning system according to claim 4, is characterized in that, described Pressure gauge is at least two, and wherein two described Pressure gauges are located at respectively described coil pipe water inlet and described coil pipe water outlet.
8. air-conditioning system according to claim 4, it is characterized in that, also comprise valve module, described valve module is respectively with described coil pipe delivery port, described pump intake, be connected with water source with water swivel, for described coil pipe delivery port is connected with described pump intake, or described coil pipe delivery port is connected and described pump intake is connected with described water source with water swivel with described.
CN201320323687.3U 2013-06-05 2013-06-05 Air conditioning system Expired - Fee Related CN203375587U (en)

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CN201320323687.3U CN203375587U (en) 2013-06-05 2013-06-05 Air conditioning system

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Application Number Priority Date Filing Date Title
CN201320323687.3U CN203375587U (en) 2013-06-05 2013-06-05 Air conditioning system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214907A (en) * 2013-06-05 2014-12-17 广东美的暖通设备有限公司 Air-conditioning system
CN104613618A (en) * 2014-12-24 2015-05-13 特灵空调系统(中国)有限公司 Air-cooling module machine set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214907A (en) * 2013-06-05 2014-12-17 广东美的暖通设备有限公司 Air-conditioning system
CN104613618A (en) * 2014-12-24 2015-05-13 特灵空调系统(中国)有限公司 Air-cooling module machine set

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