CN202660741U - Outer disc micro channel type heat accumulation water box used for heat pump water heater - Google Patents
Outer disc micro channel type heat accumulation water box used for heat pump water heater Download PDFInfo
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- CN202660741U CN202660741U CN 201220194090 CN201220194090U CN202660741U CN 202660741 U CN202660741 U CN 202660741U CN 201220194090 CN201220194090 CN 201220194090 CN 201220194090 U CN201220194090 U CN 201220194090U CN 202660741 U CN202660741 U CN 202660741U
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Abstract
The utility model discloses an outer disc micro channel type heat accumulation water box used for a heat pump water heater. The outer disc micro channel type heat accumulation water box comprises a shell, a heat accumulation module box, a heat accumulation material, a water box inner container, a condensing heat exchanger and an insulation material, wherein the heat accumulation material is filled in the heat accumulation module box, and the heat accumulation module box is arranged in the water box inner container; the insulation material is sparkled between the shell and the water box inner container, and the water box inner container is provided with a water inlet and a water outlet; the heat accumulation module box comprises a cylinder side wall as well as upper and lower end covers, wherein the upper and lower end covers are provided with small holes which are vertically opposite, a communicating pipe is arranged between the small holes which are vertically opposite, and a water flow channel is formed in an upper-down communication; and the heat accumulation material is filled outside the communicating pipe and is filled in a sealing cavity formed by the upper and lower end covers and the cylinder side wall, and the condensing heat exchanger is externally covered on the outer wall of the water box inner container. The outer disc micro channel type heat accumulation water box provided by the utility model has the advantages that the heat transfer property of the heat accumulation module box between the water and the heat accumulation material is greatly increased, the heat transfer surface area of the condensing heat exchanger is increased, and the heat transfer efficiency of a system is improved.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, is specifically related to a kind of outer disk micro-channel condenser formula hot water storage tank for Teat pump boiler.
Background technology
The water tank of Teat pump boiler is comprised of inner water tank, heat-insulation layer and heating tube (being condenser) usually.Be the water tank of the outer disc type of round thin-wall copper pipe of single tube form for heater, thin-walled heat exchanger copper pipe and contacting of water tank side are arc surface and the contacting of plane, and contact area is less.Heat only can contact the water that is transmitted to water tank inside with the line on inner water tank plane by the thin wall type copper pipe from refrigerant side, and thermal resistance is larger, has a strong impact on the conduction efficiency of heat, strengthens the load power of compressor.Because thermal resistance is large, in order to strengthen heat exchange property, condenser coil must coil density height and condenser system inner refrigerant long flow path, and pressure drop is large, and system economy is poor.
The condenser that consists of for thin-wall copper pipe places the form of water tank inside, because condenser directly is soaked in water tank inside, the heat exchange property between water and the condenser coil increases considerably.But copper pipe long-time immersion easily in water produces incrustation at tube wall surface, and corrosion or microbial reproduction produce the problems such as biological clay.Affect water quality, affect health, present stage the country such as Europe do not allowed Teat pump boiler adopt in the disc type structural design.
Hot water storage tank for present stage adopts thermal storage mold jacket to be close to inner water tank inwall or outer wall construction more, particularly adopts the hot water storage tank of outer-enwraped type condensing heat exchanger.Cause easily water tank internal hot-water temperature distributing disproportionation equal, the rough sledding such as adherent temperature is higher, and tank center's portion temperature is low.Still have the part hot water storage tank to adopt thermal storage mold jacket integral body to place water tank inner, cause water tank inner storing water volume to diminish or the water tank volume becomes large.And thermal storage mold jacket heat transfer sheet area is less, and the accumulation of heat rate of heat release is slow.
Summary of the invention
The purpose of this utility model is to provide a kind of hot water storage tank that is applicable to the outer disk micropassage type condenser of Teat pump boiler, overcome the shortcoming and defect on the prior art aspect: under the prerequisite that satisfies water health and leaving water temperature, strengthen heat exchange efficiency, reduce energy resource consumption, prolong the temperature retention time of water tank internal water, the economy that the raising system uses.
The purpose of this utility model is achieved through the following technical solutions:
A kind of outer disk micropassage type hot water storage tank for Teat pump boiler, comprise shell, thermal storage mold jacket, heat-storing material, inner water tank, condensing heat exchanger and heat-insulating material, described heat-storing material is filled in the thermal storage mold jacket, described thermal storage mold jacket is located at inner water tank inside, heat-insulating material foams between shell and inner water tank, and inner water tank is provided with entery and delivery port; Described thermal storage mold jacket comprises cylinder lateral wall and upper and lower end cap, and upper and lower end covers and is provided with vertically relative aperture, is provided with communicating pipe between two vertically relative apertures, forms the water stream channel that is communicated with up and down; Described heat-storing material is filled in the communicating pipe closed cavity outer, up and down end cap and cylinder lateral wall formation; Described condensing heat exchanger is wrapped in the outer wall of inner water tank outward.
Preferably, described condensing heat exchanger adopts micro-channel condenser, described micro-channel condenser comprises two vertical import and export headers and the flat tube bundle of equidistantly arranging up and down between two headers, be connected between described header and the flat tube bundle, the flat horizontal surface of described flat tube bundle and the outer wall of inner water tank fit together.Flat tube number and the density of arranging are determined by the required size that adds heat of system water tank.
Preferably, described condensing heat exchanger adopts a micro-channel condenser, and wherein the bottom of a header is provided with the refrigerant exit pipe, and the top of another header is provided with the refrigerant inlet tube.
Preferably, described condensing heat exchanger adopts two micro-channel condensers to be formed in parallel, the inlet header of two micro-channel condensers is communicated with by the refrigerant runner pipe, the outlet header of two micro-channel condensers is communicated with by the refrigerant runner pipe, wherein refrigerant runner pipe is positioned at the bottom of header, and being communicated with the refrigerant exit pipe, another refrigerant runner pipe is positioned at the top of header, and is communicated with the refrigerant inlet tube.
Preferably, the phase transformation temperature points of described heat-storing material is between the entery and delivery port water temperature.
Preferably, described inner water tank outer wall is provided with groove, and the flat tube bundle of described micro-channel condenser is stuck in this groove.
Preferably, be provided with highly heat-conductive material between the flat tube bundle of described micro-channel condenser and inner water tank.
The utility model compared with prior art has following advantage:
(1) thermal storage mold jacket employing copper or various high conductivity material are shell, and some passages that the middle part is left are inner by arriving the delivery port of water tank upper from thermal storage mold jacket by water, and the heat exchange property between water and the heat-storing material is increased considerably.
(2) the utility model condensing heat exchanger is located at the outer wall of inner water tank, owing to avoided directly being soaked in the water, thereby has guaranteed the safety of water quality, also so that the condensing heat-exchange wall is avoided corrosion, has prolonged their service life simultaneously; Because condensing heat exchanger no longer takies the volume of inner water tank, thereby has increased the reservoir storage of water tank.
(3) adopted the micro-channel flat structure in the micro-channel condenser, flat tube wall and water tank wall also adopt the heat exchange of face face, thereby increase heat exchange area, reduce thermal resistance, have improved the heat exchange efficiency of system, reduce system energy consumption.The contact-making surface place can scribble heat conductive silica gel, increases thermal conductivity factor between the two, and the heat exchange thermal resistance reduces, and heat exchange efficiency increases.
(4) because the micro-channel condenser heat exchange efficiency is high, and material can become the aluminium heat-exchange device from the copper heat exchanger, production cost reduces.Micro-channel condenser bears the pressure capability height, and particularly when adopting the high R410A cold-producing medium of system condensing pressure, the heat exchanger pressure-bearing is not yielding.
(5) the combined condenser flow process is short, and droop loss is low; Single-chip microchannel condenser processing technology is simple.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1 phase transition thermal storage water tank.
Fig. 2 is the structural representation of the utility model embodiment 2 phase transition thermal storage water tanks.
Fig. 3 is the structural representation of the utility model embodiment 1 phase-transition heat-storage moulding box.
Fig. 4 is the upward view of Fig. 3.
Fig. 5 is the structural representation of the utility model embodiment 1 micro-channel condenser deployed condition.
Fig. 6 is the top view of Fig. 1.
Fig. 7 is the structural representation of the utility model embodiment 2 micro-channel condenser deployed conditions.
Fig. 8 is the top view of Fig. 2.
The specific embodiment
Below in conjunction with specific embodiment the utility model is done further concrete detailed description the in detail, but the embodiment of utility model is not limited to this, the technological parameter for not indicating especially can carry out with reference to routine techniques.
As shown in Figure 1, hot water storage tank of the present utility model, comprise shell 1, thermal storage mold jacket 2, heat-storing material (not shown), inner water tank 5, condensing heat exchanger 4 and heat-insulating material 6, the phase transformation temperature points of heat-storing material is between the entery and delivery port water temperature, described thermal storage mold jacket 2 is located at inner water tank 5 inside, heat-insulating material 6 foams between shell 1 and inner water tank 5, and inner water tank 5 is provided with entery and delivery port 7,8.Shown in Fig. 3,4, described thermal storage mold jacket 2 comprises cylinder lateral wall 21 and upper and lower end cap 22,23, and upper and lower end cap 22,23 is provided with vertically relative aperture 24, is provided with communicating pipe 25 between two vertically relative apertures, forms the water stream channel that is communicated with up and down; Also have perfusing hole on the upper end cover 22, described heat-storing material is filled in communicating pipe 25 closed cavity outer, that end cap 22,23 forms with cylinder lateral wall 21 up and down by this perfusing hole, and this perfusing hole is sealed by seal cover 26.
Shown in Fig. 5,6, described condensing heat exchanger 4 adopts a micro-channel condenser, is wrapped in the outer wall of inner water tank 5 outward.Described micro-channel condenser comprises that two vertical import and export headers 42,46 reach the flat tube bundle 41 of equidistantly arranging up and down between two headers, described import and export header 42,46 and flat tube bundle 41 between be connected, the outer wall of the flat horizontal surface of described flat tube bundle 41 and inner water tank 5 fits together; The bottom of its middle outlet header 46 is provided with refrigerant exit pipe 43, and the top of inlet header 42 is provided with refrigerant inlet tube 44.5 of the flat tube bundle 41 of described micro-channel condenser and inner water tanks are smeared high thermal conductivity coefficient material (such as heat conductive silica gel etc.) and are increased thermal conductivity between the two.The cold-producing medium of HTHP enters the micro-channel flat bundle 41 with inner water tank 5 heat exchange after entering the header 42 of condensing heat exchanger 4 from refrigerant inlet tube 44 again.In micro-channel flat bundle 41, meet cold solidifying heat release, the heat of refrigerant side is passed to inner water tank 5 by plane-plane contact, then the water in the heating water tank inner bag.Cold water enters inner water tank 5 from water inlet 7, is heated as hot water and discharges from delivery port 8, and water is inner by arriving the delivery port 8 of water tank upper from phase-transition heat-storage moulding box 2.The phase change heat storage material that is fit to phase transition temperature is sealed in the thermal storage mold jacket 2 and does not directly contact with water.When water temperature was higher than the phase change heat storage material temperature, heat-storing material is in the heat absorption state and self temperature constantly rises, and when arriving phase transition temperature, phase change heat storage material begins to melt accumulation of heat and temperature stabilization is constant.When heat-storing material melts fully, himself temperature continues up to raise.When water tank adds cold water (use hot water) or again because of long-time insulation, during the heat loss of water, when the Water in Water Tanks temperature was lower than the phase change heat storage material temperature, heat-storing material began stored before heat is emitted, thereby stablize leaving water temperature, prolong temperature retention time.By heat storage technology electricity consumption time and water time match are got up, thus reach use electricity in off-peak hours, the purpose of energy-conserving and environment-protective.
When the hot water temperature was higher than the phase change heat storage material temperature, the inner heat-storing material of thermal storage mold jacket began accumulation of heat.When the water tank water temperature inside was lower than the phase change heat storage material temperature, phase change heat storage material began the heat that stores is before emitted, and is used for reheating cold water.Thereby so that electricity consumption time and water time match.The cold-producing medium of HTHP enters condenser from refrigerant inlet copper pipe 2 and discharges from outlet copper pipe 5.
The difference of present embodiment and embodiment 1 is:
Shown in Fig. 2,7,8, described condensing heat exchanger 4 adopts two micro-channel condensers to be formed in parallel, the inlet header 42 of two micro-channel condensers is communicated with by refrigerant runner pipe 45, the outlet header 46 of two micro-channel condensers is communicated with by refrigerant runner pipe 45, wherein a refrigerant runner pipe is positioned at the bottom that exports header 46, and being communicated with refrigerant exit pipe 43, another refrigerant runner pipe is positioned at the top of inlet header 42, and is communicated with refrigerant inlet tube 44.
The difference of present embodiment and embodiment 2 is:
Described inner water tank 5 outer walls are provided with groove, and the flat tube bundle 41 of described micro-channel condenser is stuck in this groove.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (7)
1. outer disk micropassage type hot water storage tank that is used for Teat pump boiler, comprise shell, thermal storage mold jacket, heat-storing material, inner water tank, condensing heat exchanger and heat-insulating material, described heat-storing material is filled in the thermal storage mold jacket, described thermal storage mold jacket is located at inner water tank inside, heat-insulating material foams between shell and inner water tank, and inner water tank is provided with entery and delivery port; It is characterized in that described thermal storage mold jacket comprises cylinder lateral wall and upper and lower end cap, upper and lower end covers and is provided with vertically relative aperture, is provided with communicating pipe between two vertically relative apertures, forms the water stream channel that is communicated with up and down; Described heat-storing material is filled in the communicating pipe closed cavity outer, up and down end cap and cylinder lateral wall formation; Described condensing heat exchanger is wrapped in the outer wall of inner water tank outward.
2. hot water storage tank according to claim 1, it is characterized in that, described condensing heat exchanger adopts micro-channel condenser, described micro-channel condenser comprises two vertical import and export headers and the flat tube bundle of equidistantly arranging up and down between two headers, be connected between described header and the flat tube bundle, the flat horizontal surface of described flat tube bundle and the outer wall of inner water tank fit together.
3. hot water storage tank according to claim 2 is characterized in that, described condensing heat exchanger adopts a micro-channel condenser, and wherein the bottom of a header is provided with the refrigerant exit pipe, and the top of another header is provided with the refrigerant inlet tube.
4. hot water storage tank according to claim 2, it is characterized in that, described condensing heat exchanger adopts two micro-channel condensers to be formed in parallel, the inlet header of two micro-channel condensers is communicated with by the refrigerant runner pipe, the outlet header of two micro-channel condensers is communicated with by the refrigerant runner pipe, and wherein a refrigerant runner pipe is positioned at the bottom of header, and is communicated with the refrigerant exit pipe, another refrigerant runner pipe is positioned at the top of header, and is communicated with the refrigerant inlet tube.
5. according to claim 1 and 2 or 3 or 4 described hot water storage tanks, it is characterized in that the phase transformation temperature points of described heat-storing material is between the entery and delivery port water temperature.
6. according to claim 2 or 3 or 4 described hot water storage tanks, it is characterized in that described inner water tank outer wall is provided with groove, the flat tube bundle of described micro-channel condenser is stuck in this groove.
7. hot water storage tank according to claim 6 is characterized in that, is provided with highly heat-conductive material between the flat tube bundle of described micro-channel condenser and inner water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194090 CN202660741U (en) | 2012-04-28 | 2012-04-28 | Outer disc micro channel type heat accumulation water box used for heat pump water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220194090 CN202660741U (en) | 2012-04-28 | 2012-04-28 | Outer disc micro channel type heat accumulation water box used for heat pump water heater |
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| Publication Number | Publication Date |
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| CN202660741U true CN202660741U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220194090 Withdrawn - After Issue CN202660741U (en) | 2012-04-28 | 2012-04-28 | Outer disc micro channel type heat accumulation water box used for heat pump water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645024A (en) * | 2012-04-28 | 2012-08-22 | 华南理工大学 | Outer-disk micro channel type thermal storage water tank for heat pump water heater |
-
2012
- 2012-04-28 CN CN 201220194090 patent/CN202660741U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645024A (en) * | 2012-04-28 | 2012-08-22 | 华南理工大学 | Outer-disk micro channel type thermal storage water tank for heat pump water heater |
| CN102645024B (en) * | 2012-04-28 | 2014-11-12 | 华南理工大学 | Outer-disk micro channel type thermal storage water tank for heat pump water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20141112 |
|
| RGAV | Abandon patent right to avoid regrant |