CN110939994A - Closed heat cycle system of central air conditioning - Google Patents
Closed heat cycle system of central air conditioning Download PDFInfo
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- CN110939994A CN110939994A CN201811115933.XA CN201811115933A CN110939994A CN 110939994 A CN110939994 A CN 110939994A CN 201811115933 A CN201811115933 A CN 201811115933A CN 110939994 A CN110939994 A CN 110939994A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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Abstract
The invention relates to a closed heat cycle system of a central air conditioner, which comprises a compressor, a condenser, a refrigerant drying filter, an air heat exchanger, a gas-liquid separator and a cycle water tank, wherein the compressor is communicated with the condenser, the condenser is communicated with the refrigerant drying filter and the cycle water tank, the refrigerant drying filter is communicated with the air heat exchanger, the air heat exchanger is communicated with the gas-liquid separator, the gas-liquid separator is communicated with the compressor, refrigerant discharged by the compressor enters the condenser to exchange heat with cooling water in the cycle water tank, the refrigerant after heat exchange sequentially passes through the refrigerant drying filter, the air heat exchanger and the gas-liquid separator to return to the compressor, and the cooling water after heat exchange returns to the cycle water tank to perform the next round of cooling cycle or is discharged. The invention adopts a high-efficiency heat exchange water circulation scheme and has the characteristic of high operation efficiency.
Description
Technical Field
The invention relates to a central air-conditioning closed heat circulation system, in particular to a central air-conditioning closed heat circulation system with efficient heat exchange water circulation, and belongs to the field of central air-conditioning circulation systems.
Background
The existing central air-conditioning system mainly comprises an air-conditioning compressor, a condenser, a drying filter, a throttling element, an air heat exchanger and a gas-liquid separator, wherein a unit, a circulating pump and a circulating water tank form a circulating heat exchange system, and the circulating pump realizes circulating heat exchange between water in the water tank and a high-temperature refrigerant in the heat exchanger. The existing scheme mainly has the problems that the heat exchange efficiency is low, the unit runs under a high-temperature working condition for a long time, and the running efficiency is low.
Disclosure of Invention
The invention discloses a novel scheme for a closed heat cycle system of a central air conditioner, and solves the problem of low operation efficiency of the existing scheme by adopting a high-efficiency heat exchange water circulation scheme.
The closed heat cycle system of the central air conditioner comprises a compressor, a condenser, a refrigerant drying filter, an air heat exchanger, a gas-liquid separator and a cycle water tank, wherein the compressor is communicated with the condenser, the condenser is communicated with the refrigerant drying filter and the cycle water tank, the refrigerant drying filter is communicated with the air heat exchanger, the air heat exchanger is communicated with the gas-liquid separator, the gas-liquid separator is communicated with the compressor, refrigerant discharged by the compressor enters the condenser to exchange heat with cooling water in the cycle water tank, the refrigerant after heat exchange sequentially passes through the refrigerant drying filter, the air heat exchanger and the gas-liquid separator to return to the compressor, and the cooling water after heat exchange returns to the cycle water tank to perform the next round of cooling cycle or is discharged from.
Further, the bottom of the circulation water tank of this scheme is equipped with trades the water pipe, be equipped with on the traded water pipe and trade the water pump, circulation water tank's lower part is equipped with the wet return, be equipped with the circulating pump on the wet return, circulation water tank's upper portion is equipped with the outlet pipe, the drain pipe, cooling water passes through the wet return in proper order under the effect of circulating pump, the heat transfer circulation is accomplished to the outlet pipe, outside cooling water gets into circulation water tank from trading the water pipe in the effect of water pump lower part with upper portion high-temperature water from drain pipe discharge circulation.
Further, the left side in the circulating water tank of this scheme is equipped with the hydroecium, the lower part of hydroecium is equipped with the water change pipe, be equipped with the water change pump on the water change pipe, right side in the circulating water tank is equipped with the circulating water room, the upper portion of circulating water room is equipped with the outlet pipe, the lower part of circulating water room is equipped with the wet return, be equipped with the circulating pump on the wet return, the bottom of circulating water room is equipped with the drain pipe, the water pipe and the circulating water room intercommunication on upper portion in the circulating water tank are passed through to the hydroecium through establishing to the hydroecium, be equipped with the solenoid valve in the wet return, the heat transfer circulation is accomplished to the outlet pipe under the effect of circulating pump to the cooling water, high-temperature water in the circulating water tank gets into the.
Furthermore, this scheme trade in the water chamber by supreme filter screen group, the multiple layer of filtration of being provided with down, the filter screen group includes the coarse net of multilayer filtration, and the multiple layer of filtration includes the fine net of multilayer filtration, and outside water source gets into the circulation hydroecium after filter screen group, the multiple layer of filtration filters in proper order.
Further, left side in the circulating water tank of this scheme is equipped with circulating water chamber A, circulating water chamber A's bottom is equipped with trades water pipe A, be equipped with on the trades water pipe A and trade water pump A, trade water valve A, circulating water chamber A's lower part is equipped with wet return A, be equipped with circulating pump A on the wet return A, circulating water chamber A's upper portion and the parallelly connected outlet pipe A of formation, drain pipe A intercommunication, be equipped with outlet valve A on the outlet pipe A, be equipped with drain valve A on the drain pipe A, the cooling water passes through wet return A in proper order under circulating pump A's effect, outlet pipe A accomplishes the heat transfer circulation, outside cooling water enters into circulating water tank A from trading water pipe A in the effect of water pump A lower part with upper portion high-temperature water from drain pipe. The right side in the circulating water tank is equipped with circulating water chamber B, circulating water chamber B's bottom is equipped with trades water pipe B, be equipped with on the trades water pipe B and trade water valve B, circulating water chamber B's lower part is equipped with wet return B, be equipped with circulating pump B on the wet return B, circulating water chamber B's upper portion with form parallelly connected outlet pipe B, drain pipe B intercommunication, be equipped with outlet valve B on the outlet pipe B, be equipped with drain valve B on the drain pipe B, cooling water passes through wet return B in proper order under circulating pump B's effect, the heat transfer circulation is accomplished to outlet pipe B, outside cooling water gets into circulating water tank B from trading water pipe B under water pump B's the effect lower part and discharges upper portion high-temperature water from drain pipe B and.
Furthermore, a filter screen group A and a filter multiple layer A are arranged in the circulating water chamber A from bottom to top, the filter screen group A comprises a multi-layer filter coarse screen A, the filter multiple layer A comprises a multi-layer filter fine screen A, and an external water source enters the water outlet pipe A after being filtered by the filter screen group A and the filter multiple layer A in sequence. And a filter screen group B and a filter multiple layer B are arranged in the circulating water chamber B from bottom to top, the filter screen group B comprises a multi-layer filter coarse screen B, the filter multiple layer B comprises a multi-layer filter fine screen B, and an external water source enters the water outlet pipe B after being filtered by the filter screen group B and the filter multiple layer B in sequence.
Furthermore, the closed heat-cycle system of central air conditioning of this scheme still includes circulation tank intelligence temperature control system, circulation tank intelligence temperature control system includes temperature sensor, the temperature control unit, temperature sensor gathers the temperature information transmission in the circulation tank and gives the temperature control unit, the temperature control unit opens the mode of changing water according to the judged result that the temperature numerical value that receives is higher than the settlement threshold value upper limit and discharges the outside heat supply position with high-temperature circulating water, the temperature control unit closes the mode of changing water according to the judged result that the temperature numerical value that receives is lower than the settlement threshold value lower limit.
Further, the pipeline of the circulation water tank of this scheme passes through ultraviolet ray disinfection pipe and external equipment intercommunication, and the both ends of ultraviolet ray disinfection pipe are equipped with mounting flange, are equipped with the heliciform ultraviolet fluorescent tube that extends along the axial in the ultraviolet ray disinfection pipe.
The closed heat circulation system of the central air conditioner adopts a high-efficiency heat exchange water circulation scheme and has the characteristic of high operation efficiency.
Drawings
Fig. 1 is a schematic view of a closed heat cycle system of a central air conditioner.
Fig. 2 is a schematic view of a first embodiment of the circulation tank.
Fig. 3 is a schematic view of a second embodiment of the circulation tank.
FIG. 4 is a schematic view of a modified form of the second embodiment of the circulation tank.
Fig. 5 is a schematic view of a third embodiment of the circulation tank.
Fig. 6 is a schematic view of a third modification of the embodiment of the circulation tank.
Fig. 7 is a schematic view of a uv disinfection tube.
Wherein 100 is a compressor, 200 is a condenser, 300 is a refrigerant drying filter, 400 is an air heat exchanger, 500 is a gas-liquid separator, 600 is a circulation water tank, 610 is a circulation pump, 710 is a water changing chamber, 711 is a coarse filtration net, 712 is a fine filtration net, 720 is a circulation water chamber, 810 is a circulation water chamber a, 811 is a coarse filtration net a, 812 is a fine filtration net a, 820 is a circulation water chamber B, 821 is a coarse filtration net B, 822 is a fine filtration net B, and 910 is a spiral ultraviolet lamp tube.
Detailed Description
As shown in fig. 1, the closed heat cycle system of the central air conditioner of the present invention includes a compressor, a condenser, a refrigerant drying filter, an air heat exchanger, a gas-liquid separator, and a cycle water tank, wherein the compressor is communicated with the condenser, the condenser is communicated with the refrigerant drying filter and the cycle water tank, the refrigerant drying filter is communicated with the air heat exchanger, the air heat exchanger is communicated with the gas-liquid separator, the gas-liquid separator is communicated with the compressor, refrigerant discharged from the compressor enters the condenser to exchange heat with cooling water in the cycle water tank, the refrigerant after heat exchange sequentially passes through the refrigerant drying filter, the air heat exchanger, and the gas-liquid separator to return to the compressor, and the cooling water after heat exchange returns to the cycle water tank to perform the next. In order to guarantee the aseptic index of circulating water, disinfection module has been inserted to this scheme on circulating water tank's pipeline, as shown in fig. 7, the circulating water tank's of this scheme pipeline passes through ultraviolet ray disinfection pipe and external equipment intercommunication, and the both ends of ultraviolet ray disinfection pipe are equipped with mounting flange, are equipped with the heliciform ultraviolet fluorescent tube that extends along the axial in the ultraviolet ray disinfection pipe, and better disinfection effect can be realized to heliciform ultraviolet fluorescent tube. For the operation of intelligent management change cooling water, avoid high temperature cooling water to influence the heat exchange efficiency, the closed heat cycle system of central air conditioning of this scheme still includes circulation tank intelligence temperature control system, circulation tank intelligence temperature control system includes temperature sensor, the temperature control unit, temperature sensor gathers the temperature information transmission in the circulation tank and gives the temperature control unit, the temperature control unit opens the mode of changing water according to the judged result that the temperature numerical value of receiving is higher than the upper limit of settlement threshold and discharges high temperature circulating water to outside heat supply position, the temperature control unit closes the mode of changing water according to the judged result that the temperature numerical value of receiving is lower than the lower limit of settlement threshold. The opening and closing of the water changing mode can be realized by remotely or electrically controlling a valve and a pump on the pipeline. According to the scheme, an efficient heat exchange water circulation scheme is adopted, efficient heat exchange can be guaranteed by setting circulation parameters of cooling water, and the operation efficiency of equipment is improved.
In order to realize efficient heat exchange, the scheme discloses the following three circulating water tanks.
Example one
As shown in fig. 2, in order to realize that cold water replaces hot water, the bottom of the circulation tank of this scheme is equipped with the water changing pipe, be equipped with the water changing pump on the water changing pipe, circulation tank's lower part is equipped with the wet return, be equipped with the circulating pump on the wet return, circulation tank's upper portion is equipped with the outlet pipe, the drain pipe, cooling water passes through the wet return in proper order under the effect of circulating pump, the heat transfer circulation is accomplished to the outlet pipe, outside cooling water gets into circulation tank from the water changing pipe in the effect of water changing pump lower part with upper portion high-temperature water from drain pipe discharge. When the cooling water exceeds the upper limit of the set temperature threshold, the high-temperature cooling water is discharged in time through the water changing operation, the low-temperature cooling water is supplemented, and the heat exchange efficiency is ensured.
Example two
As shown in figure 3, in order to avoid the cooling water heat exchange efficiency reduction caused by the heat exchange process between the low-temperature cooling water and the high-temperature cooling water, the left side in the circulating water tank of the scheme is provided with a water exchange chamber, the lower part of the water exchange chamber is provided with a water exchange pipe, the water exchange pipe is provided with a water exchange pump, the right side in the circulating water tank is provided with a circulating water chamber, the upper part of the circulating water chamber is provided with a water outlet pipe, the lower part of the circulating water chamber is provided with a water return pipe, the water return pipe is provided with a circulating pump, the bottom of the circulating water chamber is provided with a water discharge pipe, the water exchange chamber is communicated with the circulating water, the water outlet pipe finishes heat exchange circulation, high-temperature water in the circulating water tank is discharged from the water discharge pipe to the circulating water tank to enter a heat supply position, and external cooling water enters the water exchange chamber from the water exchange pipe under the action of the water exchange pump and then is discharged into the circulating water chamber through the water pipe.
As shown in fig. 4, based on the above scheme, in order to avoid that the external water source brings in impurity pollutant particles, causing the inside siltation of system, jam, the indoor filter screen group, the multiple layer of filtration are provided with from bottom to top in the trade of this scheme, and the filter screen group includes the thick net of multilayer filtration, and the multiple layer of filtration includes the fine net of multilayer filtration, and the external water source gets into the circulation hydroecium after passing through filter screen group, filtration multiple layer filtration in proper order. The filtering area of the filtering net is effectively utilized by the arrangement mode of the filtering paths from bottom to top, and the condition that part of the filtering area is excessively utilized or is not sufficiently utilized is avoided.
EXAMPLE III
As shown in FIG. 5, in order to increase the switching efficiency between low-temperature cooling water and high-temperature cooling water and avoid the interruption of cooling heat exchange of the system, a circulating water chamber A is arranged on the left side in the circulating water tank of the scheme, a water changing pipe A is arranged at the bottom of the circulating water chamber A, a water changing pump A and a water changing valve A are arranged on the water changing pipe A, a water returning pipe A is arranged at the lower part of the circulating water chamber A, a circulating pump A and a water returning valve A are arranged on the water returning pipe A, a water outlet pipe A connected in parallel is formed at the upper, the water discharge pipe A is communicated, the water discharge pipe A is provided with a water discharge valve A, cooling water sequentially passes through the water return pipe A and the water discharge pipe A under the action of the circulating pump A to complete heat exchange circulation, and external cooling water enters the circulating water tank A from the water exchange pipe A under the action of the water exchange pump A, and the upper high-temperature water is discharged from the water discharge pipe A to the circulating water tank A to enter a heat supply position from the lower portion of the. The right side in the circulating water tank is equipped with circulating water chamber B, circulating water chamber B's bottom is equipped with trades water pipe B, be equipped with on the trades water pipe B and trade water valve B, circulating water chamber B's lower part is equipped with wet return B, be equipped with circulating pump B on the wet return B, circulating water chamber B's upper portion with form parallelly connected outlet pipe B, drain pipe B intercommunication, be equipped with outlet valve B on the outlet pipe B, be equipped with drain valve B on the drain pipe B, cooling water passes through wet return B in proper order under circulating pump B's effect, the heat transfer circulation is accomplished to outlet pipe B, outside cooling water gets into circulating water tank B from trading water pipe B under water pump B's the effect lower part and discharges upper portion high-temperature water from drain pipe B and. According to the scheme, the circulating water chamber A and the circulating water chamber B are switched, so that the cooling and heat exchange interruption caused by the water changing process is avoided. Furthermore, in order to improve the pipeline switching efficiency, the water outlet pipe A and the water outlet pipe B are connected in parallel through the water outlet header pipe, so that the switching of pipelines is facilitated.
As shown in fig. 6, based on the above scheme, in order to avoid that the external water source brings in impurity pollutant particles, causing the inside siltation of system, jam, be provided with filter screen group a, filtration multiple layer a from bottom to top in the circulation hydroecium a of this scheme, filter screen group a includes multilayer filtration coarse mesh a, and filtration multiple layer a includes multilayer filtration fine mesh a, and the external water source gets into outlet pipe a after passing through filter screen group a, filtration multiple layer a in proper order and filtering. And a filter screen group B and a filter multiple layer B are arranged in the circulating water chamber B from bottom to top, the filter screen group B comprises a multi-layer filter coarse screen B, the filter multiple layer B comprises a multi-layer filter fine screen B, and an external water source enters the water outlet pipe B after being filtered by the filter screen group B and the filter multiple layer B in sequence. The filtering area of the filtering net is effectively utilized by the arrangement mode of the filtering paths from bottom to top, and the condition that part of the filtering area is excessively utilized or is not sufficiently utilized is avoided.
The closed heat cycle system of this scheme central air conditioning adopts the mode of changing the cooling source to guarantee the efficiency of circulation heat transfer to three kinds of circulation water tank schemes of being convenient for trade water operation are disclosed, adopt intelligent temperature to detect the control and trade water operation, have improved the automation level of system, adopt the ultraviolet degassing unit in the pipeline to avoid bacterial contamination etc.. Based on the characteristics, compared with the existing scheme, the closed heat cycle system of the central air conditioner has outstanding substantive characteristics and remarkable progress.
The closed heat cycle system of the central air conditioner is not limited to the disclosure of the specific embodiment, the technical solutions presented in the examples can be extended based on the understanding of those skilled in the art, and the simple alternatives made by those skilled in the art according to the present solution in combination with common knowledge also belong to the scope of the present solution.
Claims (8)
1. A closed heat circulation system of a central air conditioner is characterized by comprising a compressor, a condenser, a refrigerant drying filter, an air heat exchanger, a gas-liquid separator and a circulation water tank, the compressor is communicated with the condenser, the condenser is communicated with the refrigerant drying filter and the circulating water tank, the refrigerant drying filter is communicated with the air heat exchanger, the air heat exchanger is communicated with the gas-liquid separator, the gas-liquid separator is communicated with the compressor, refrigerant discharged by the compressor enters the condenser to exchange heat with cooling water in the circulating water tank, the refrigerant after heat exchange sequentially passes through the refrigerant drying filter, the air heat exchanger and the gas-liquid separator to return to the compressor, and the cooling water after heat exchange returns to the circulating water tank to perform the next round of cooling circulation or is discharged from the circulating water tank to enter a heat supply position.
2. The closed heat cycle system of claim 1, wherein a water changing pipe is disposed at the bottom of the circulation water tank, a water changing pump is disposed on the water changing pipe, a water returning pipe is disposed at the lower part of the circulation water tank, a circulation pump is disposed on the water returning pipe, a water outlet pipe and a water outlet pipe are disposed at the upper part of the circulation water tank, cooling water sequentially passes through the water returning pipe and the water outlet pipe under the action of the circulation pump to complete heat exchange circulation, and external cooling water enters the circulation water tank from the water changing pipe and enters the lower part of the circulation water tank under the action of the water changing pump to discharge upper high-temperature water from the water outlet pipe out of the circulation water tank to.
3. The closed heat cycle system of claim 1, wherein a water exchange chamber is disposed on the left side of the circulating water tank, a water exchange pipe is disposed on the lower portion of the water exchange chamber, a water exchange pump is disposed on the water exchange pipe, a circulating water chamber is disposed on the right side of the circulating water tank, a water outlet pipe is disposed on the upper portion of the circulating water chamber, a water return pipe is disposed on the lower portion of the circulating water chamber, a circulating pump is disposed on the water return pipe, a drain pipe is disposed at the bottom of the circulating water chamber, the water exchange chamber is communicated with the circulating water chamber through a water pipe disposed on the upper portion of the circulating water tank, an electromagnetic valve is disposed in the water pipe, cooling water passes through the water return pipe and the water outlet pipe in sequence under the action of the circulating pump to complete heat exchange circulation, high-temperature water in the circulating water tank is discharged from the drain pipe to the heating position, and external cooling water enters the water And the water pipe is discharged into the circulating water chamber.
4. The closed heat cycle system of claim 3, wherein the water changing chamber is provided with a filter screen set and a filter multilayer from bottom to top, the filter screen set comprises a multi-layer filter coarse screen, the filter multilayer comprises a multi-layer filter fine screen, and an external water source enters the circulating water chamber after being sequentially filtered by the filter screen set and the filter multilayer.
5. The closed heat cycle system of claim 1, wherein a circulating water chamber A is arranged on the left side in the circulating water tank, a water changing pipe A is arranged at the bottom of the circulating water chamber A, a water changing pump A and a water changing valve A are arranged on the water changing pipe A, a water returning pipe A is arranged at the lower part of the circulating water chamber A, a circulating pump A and a water returning valve A are arranged on the water returning pipe A, the upper part of the circulating water chamber A is communicated with a water outlet pipe A and a water outlet pipe A which are connected in parallel, a water outlet valve A is arranged on the water outlet pipe A, a water discharging valve A is arranged on the water outlet pipe A, cooling water passes through the water returning pipe A and the water outlet pipe A in sequence under the action of the circulating pump A to complete heat exchange circulation, external cooling water enters the lower part in the circulating water tank A from the water changing pipe A and discharges high-temperature water at the upper part from the water, the right side in the circulating water tank is equipped with circulating water chamber B, circulating water chamber B's bottom is equipped with trades water pipe B, be equipped with on the trades water pipe B and trade water pump B, trade water valve B, circulating water chamber B's lower part is equipped with wet return B, be equipped with circulating pump B, wet return B on the wet return B, circulating water chamber B's upper portion with form parallelly connected outlet pipe B, drain pipe B intercommunication, be equipped with outlet valve B on the outlet pipe B, be equipped with drain valve B on the drain pipe B, the cooling water is in pass through in proper order under circulating pump B's the effect wet return B, outlet pipe B accomplish the heat transfer circulation, outside cooling water is in trade water pump B's effect down follow trade water pipe B and get into lower part is followed high-temperature water on upper portion is discharged drain pipe B in the circulating water tank B gets into.
6. The closed heat cycle system of a central air conditioner according to claim 5, wherein a filter screen group A and a filter multiple layer A are arranged in the circulation water chamber A from bottom to top, the filter screen group A comprises a multi-layer filter coarse screen A, the filter multiple layer A comprises a multi-layer filter fine screen A, an external water source sequentially passes through the filter screen group A and the filter multiple layer A to be filtered and then enters the water outlet pipe A, a filter screen group B and a filter multiple layer B are arranged in the circulation water chamber B from bottom to top, the filter screen group B comprises a multi-layer filter coarse screen B, the filter multiple layer B comprises a multi-layer filter fine screen B, and the external water source sequentially passes through the filter screen group B and the filter multiple layer B to be filtered and then enters the water outlet pipe B.
7. The closed heat cycle system of claim 1, further comprising an intelligent temperature control system of a circulation water tank, wherein the intelligent temperature control system of the circulation water tank comprises a water temperature sensor and a temperature control unit, the water temperature sensor collects water temperature information in the circulation water tank and sends the water temperature information to the temperature control unit, the temperature control unit starts a water changing mode to discharge high-temperature circulation water to an external heat supply position according to a judgment result that the received water temperature value is higher than a set upper threshold, and the temperature control unit closes the water changing mode according to a judgment result that the received water temperature value is lower than a set lower threshold.
8. The closed heat cycle system of claim 1, wherein the pipes of the circulation water tank are connected to external devices through uv disinfection pipes, the uv disinfection pipes are provided with mounting flanges at both ends, and the uv disinfection pipes are provided with helical uv lamps extending in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115933.XA CN110939994A (en) | 2018-09-25 | 2018-09-25 | Closed heat cycle system of central air conditioning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811115933.XA CN110939994A (en) | 2018-09-25 | 2018-09-25 | Closed heat cycle system of central air conditioning |
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| JPS50134144U (en) * | 1974-04-20 | 1975-11-05 | ||
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| JP2010175164A (en) * | 2009-01-30 | 2010-08-12 | Panasonic Corp | Liquid circulation type heating system |
| CN202747655U (en) * | 2012-07-11 | 2013-02-20 | 广州天孜环保节能科技有限公司 | Novel panel solar water heater |
| CN203240739U (en) * | 2013-04-08 | 2013-10-16 | 同济大学 | Mixed type multipurpose energy-saving water heater |
| CN206207744U (en) * | 2016-11-18 | 2017-05-31 | 河北威布森新能源科技有限公司 | A kind of air source heat pump water tank for producing drinking water |
| CN207365171U (en) * | 2017-10-17 | 2018-05-15 | 长安大学 | A kind of layering water-storing device of solar energy heating |
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2018
- 2018-09-25 CN CN201811115933.XA patent/CN110939994A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50134144U (en) * | 1974-04-20 | 1975-11-05 | ||
| JP2004232913A (en) * | 2003-01-29 | 2004-08-19 | Matsushita Electric Ind Co Ltd | Water heater |
| JP2005055130A (en) * | 2003-08-07 | 2005-03-03 | Sekisui House Ltd | Storage floor heating system |
| JP2010175164A (en) * | 2009-01-30 | 2010-08-12 | Panasonic Corp | Liquid circulation type heating system |
| CN202747655U (en) * | 2012-07-11 | 2013-02-20 | 广州天孜环保节能科技有限公司 | Novel panel solar water heater |
| CN203240739U (en) * | 2013-04-08 | 2013-10-16 | 同济大学 | Mixed type multipurpose energy-saving water heater |
| CN206207744U (en) * | 2016-11-18 | 2017-05-31 | 河北威布森新能源科技有限公司 | A kind of air source heat pump water tank for producing drinking water |
| CN207365171U (en) * | 2017-10-17 | 2018-05-15 | 长安大学 | A kind of layering water-storing device of solar energy heating |
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Application publication date: 20200331 |
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