CN108027190A - Water heat exchanger housing unit - Google Patents

Water heat exchanger housing unit Download PDF

Info

Publication number
CN108027190A
CN108027190A CN201680055926.8A CN201680055926A CN108027190A CN 108027190 A CN108027190 A CN 108027190A CN 201680055926 A CN201680055926 A CN 201680055926A CN 108027190 A CN108027190 A CN 108027190A
Authority
CN
China
Prior art keywords
shell
refrigerant
heat exchanger
hot
water
Prior art date
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.)
Pending
Application number
CN201680055926.8A
Other languages
Chinese (zh)
Inventor
吉川晋司
友井麻有子
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of CN108027190A publication Critical patent/CN108027190A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/16—Arrangements for water drainage 
    • F24H9/17—Means for retaining water leaked from heaters
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers

Abstract

Hot and cold water feed unit (200) possesses：Water heat exchanger (201), combustible refrigerant flow in the water heat exchanger；Shell (231), it accommodates water heat exchanger (201)；With discharge member (230,270), it is connected with connector (241), and the connector (241) is arranged on the position than the refrigerant piping coupling part in shell (231) on the lower.The combustible refrigerant that discharge member (230,270) would leak into shell (231) is discharged to shell (231) outside from connector (241).

Description

Water heat exchanger housing unit
Technical field
The present invention relates to water heat exchanger housing unit, is handed over more particularly to the hydro-thermal accommodated using combustible refrigerant The water heat exchanger housing unit of parallel operation.
Background technology
In the past, as water heat exchanger housing unit, there is a kind of hot and cold water feed unit, its be contained in water and refrigerant it Between carry out heat exchange water heat exchanger (for example, referring to Japanese Unexamined Patent Publication 2014-163536 publications (patent document 1)).
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2014-163536 publications
The content of the invention
The subject that the invention solves
However, in above-mentioned water heat exchanger housing unit, combustible refrigerant is used in the case where being arranged at the environment of interior In the case of, when combustible refrigerant from the connecting portion of water heat exchanger and refrigerant piping when leakage when, there are flammable system Cryogen is stranded in possibility indoor and that gas concentration increases.In above-mentioned combustible refrigerant, the narrow interior space, Gas concentration is higher, and the risk of grade on fire is higher.
Therefore, problem of the invention is, there is provided can prevent refrigerant from being let out to interior when combustible refrigerant leaks The water heat exchanger housing unit of leakage.
Means for solving the problems
In order to solve the above problems, water heat exchanger housing unit of the invention is characterized in that,
The water heat exchanger housing unit possesses：
Water heat exchanger, combustible refrigerant flow in the water heat exchanger；
Shell, it accommodates the water heat exchanger；With
Discharge member, it is connected with connector, and the connector is arranged on to be connected than the refrigerant piping in the shell The position of socket part point on the lower,
The combustible refrigerant that the discharge member would leak into the shell is discharged to described outer from the connector Outside shell.
According to said structure, discharge member is connected with connector, and the connector is arranged on than the refrigerant in shell The position of pipe connection part on the lower, the combustible refrigerant that would leak into using discharge member in shell are discharged from connector To outside shell, thus, it is being arranged in the case that combustible refrigerant is rapidly leaked into shell in the state of interior, due to The majority just leaked into the combustible refrigerant in shell is not evaporated and keeps liquid condition, therefore, the combustibility of liquid Refrigerant can be flowed down via discharge member out of shell and is rapidly vented to for example below floor.Therefore, it is possible to prevent can Refrigerant is to indoor leakage during the refrigerant leakage of combustion property, can suppress that combustible refrigerant is stranded in indoor and gas concentration becomes Risk high, on fire etc. increases.
In addition, in the case where the above-mentioned combustible refrigerant of gasification is heavier than air, the combustible refrigerant of gas also flows Downwards lower section is discharged to via discharge member out of shell.
In addition, in the water heat exchanger housing unit of an embodiment,
The combustible refrigerant that the discharge member would leak into the shell is discharged from the lower part of the shell.
According to the above embodiment, it is detained due to leaking into the combustible refrigerant in shell (particularly liquid refrigerant) Bottom inside the shell, therefore, discharges the leakage of refrigerant of the lower part from shell by using discharge member, so as to The liquid refrigerant to occupy the majority in the combustible refrigerant of leakage is promptly arranged from the lower part of shell via discharge member Go out to for example below floor.
In addition, in the water heat exchanger housing unit of an embodiment,
The combustible refrigerant that the discharge member would leak into the shell is discharged from the sidepiece of the shell.
According to the above embodiment, it is detained due to leaking into the combustible refrigerant in shell (particularly liquid refrigerant) Bottom inside the shell, therefore, by using discharge member by shell than refrigerant piping coupling part on the lower, And the leakage of refrigerant discharge of the sidepiece of shell, so as to the liquid system to occupy the majority in the combustible refrigerant by leakage Cryogen is rapidly vented to for example below floor from the lower part of shell via discharge member.
In addition, in the water heat exchanger housing unit of an embodiment,
The discharge member is arranged on the lower part of the shell.
According to the above embodiment, since discharge member is arranged on the lower part of shell, therefore, it is possible to would leak into shell The liquid refrigerant to occupy the majority in interior combustible refrigerant is rapidly vented to from the lower part of shell via discharge member Such as below floor.
In addition, in the water heat exchanger housing unit of an embodiment,
The discharge member covers the refrigerant piping connecting portion outside the shell.
According to the above embodiment, due to the refrigerant piping connecting portion outside discharge member covering shell, even if can Refrigerant piping connecting portion of the combustion property refrigerant outside the shell leaks out and also can receive and discharge it in discharge member, pacifies Full property further improves.
In addition, in the water heat exchanger housing unit of an embodiment,
Bottom angled in the shell, so as to which liquid is guided to the discharge member.
According to the above embodiment, liquid is guided to discharge member by making the bottom angled in shell, so as to Combustible refrigerant (or the liquid such as dew condensation water during supply cold water inside the shell will be leaked using the inclined bottom surface of shell Body) swimmingly it is directed to connector.
In addition, in the water heat exchanger housing unit of an embodiment,
The water heat exchanger housing unit possesses Liquid acquisition component, and the Liquid acquisition component is configured in described outer In shell, liquid is guided to the connector for being connected with the discharge member.
According to the above embodiment, connection is directed fluid to by using the Liquid acquisition component being configured inside the shell Have the connector of discharge member, so as to would leak into the combustible refrigerant in shell (or supply cold water when condensation The liquid such as water) it is directed to connector.
In addition, in the water heat exchanger housing unit of an embodiment,
The water heat exchanger housing unit possesses control base board, and the control base board is configured in the shell internal ratio institute State the upper position of discharge member.
According to the above embodiment, by by the control base board configuration position more upper than discharge member inside the shell, from And the point of origin as control base board can be had relative to the combustible refrigerant for leaking into the bottom in shell to Top is pulled open, and security improves.
As can be observed from the foregoing, in accordance with the invention it is possible to realize following water heat exchanger housing unit：By using discharge Position than refrigerant piping coupling part on the lower of the leakage of refrigerant out of shell is discharged to outside shell by component, so as to Enough prevent when combustible refrigerant leaks refrigerant to indoor leakage.
Brief description of the drawings
Fig. 1 is the schematic configuration diagram of the thermoregulating system of the first embodiment of the present invention.
Fig. 2 is the front view of the hot and cold water feed unit for the wall for being installed in above-mentioned thermoregulating system.
Fig. 3 is the figure for the structure for showing above-mentioned hot and cold water feed unit.
Fig. 4 is the front view of the hot and cold water feed unit of the thermoregulating system of second embodiment of the present invention.
Fig. 5 is the front view of the hot and cold water feed unit of the thermoregulating system of third embodiment of the present invention.
Fig. 6 is the figure of the structure of the hot and cold water feed unit for the thermoregulating system for showing the 4th embodiment of the present invention.
Fig. 7 is the figure of the structure of the hot and cold water feed unit for the thermoregulating system for showing the 5th embodiment of the present invention.
Fig. 8 is the sectional view of the mian part including the first cap assembly from the VII-VII lines in Fig. 7.
Fig. 9 is the figure of the structure of the hot and cold water feed unit for the thermoregulating system for showing the sixth embodiment of the present invention.
Figure 10 is the sectional view from the IX-IX lines in Fig. 9.
Figure 11 is the amplification view of the mian part including the first cap assembly of Fig. 9.
Figure 12 is the exploded perspective view of above-mentioned hot and cold water feed unit.
Figure 13 is to be provided with back side heat insulating member and first, second cap assembly in the bottom frame of above-mentioned hot and cold water feed unit The stereogram of state.
Figure 14 is to be provided with back side heat insulating member and first, second cap assembly in the bottom frame of above-mentioned hot and cold water feed unit The front view of state.
Figure 15 is the stereogram of above-mentioned second cap assembly.
Figure 16 is the figure of the structure of the hot and cold water feed unit for the thermoregulating system for showing the 7th embodiment of the present invention.
Figure 17 is the simple of the hot water supply apparatus for the hot-water storage unit for showing to possess the 8th embodiment of the present invention Form figure.
Figure 18 is the loop diagram of above-mentioned hot water supply apparatus.
Figure 19 is the stereogram of the hot-water storage unit of above-mentioned hot water supply apparatus.
Figure 20 is the stereogram of state for showing to remove pipe arrangement of hot-water storage unit shown in Figure 19 etc..
Figure 21 is the front view of the lower part of above-mentioned hot-water storage unit.
Figure 22 is the front view of the lower part of the hot-water storage unit of the 9th embodiment of the present invention.
Figure 23 is the front view of the lower part of the hot-water storage unit of the tenth embodiment of the present invention.
Figure 24 is the front view of the lower part of the hot-water storage unit of the 11st embodiment of the present invention.
Embodiment
In the following, the water heat exchanger housing unit of the present invention is illustrated in more detail by embodiment illustrated.
[first embodiment]
Fig. 1 shows the schematic configuration diagram of the thermoregulating system of the first embodiment of the present invention.
<The overall structure of thermoregulating system>
As shown in Figure 1, above-mentioned thermoregulating system possesses：Outdoor unit 100；Hot and cold water feed unit 200, itself and the outdoor unit 100 connections；With first to fourth floor cooling and warming panel P1~P4, they are connected as with the hot and cold water feed unit 200 Heat exchange terminal an example.Above-mentioned hot and cold water feed unit 200 is to be arranged at indoor water heat exchanger to accommodate list One example of member.
<The structure of outdoor unit 100>
Above-mentioned outdoor unit 100 has compressor 101, four tunnel switching valves 102, outdoor heat exchanger 103, electric expansion valve 104 and gas-liquid separator 105.One end of outdoor heat exchanger 103 is connected with one end of the electric expansion valve 104, electronic The other end of expansion valve 104 is connected with the other end of the water heat exchanger 201 of hot and cold water feed unit 200.In addition, four tunnels switch First valve port of valve 102 is connected to the ejection side of compressor 101, and the second valve port of four tunnel switching valves 102 is connected to outdoor The other end of heat exchanger 103.In addition, the 3rd valve port of four tunnel switching valves 102 is connected to pressure via gas-liquid separator 105 The suction side of contracting machine 101, the 4th valve port of four tunnel switching valves 102 are connected to the hydrothermal exchange of 200 side of hot and cold water feed unit One end of device 201.
In heating operation, four tunnel switching valves 102 are switched to the switching position of solid line, on the other hand, in cooling operation When, four tunnel switching valves 102 are switched to the switching position of dotted line.
Above-mentioned outdoor unit is controlled the operating frequency of compressor 101 with control device 120, and also to electronic expansion The aperture of valve 104 is controlled so that the heat exchanger effectiveness of water heat exchanger 201 and outdoor heat exchanger 103 is most suitable for.
In addition, by by above-mentioned outdoor heat exchanger 103, compressor 101 and water heat exchanger 201 and electric expansion valve 104 connect circlewise, so as to form refrigerant loop.In the refrigerant loop, as an example of combustible refrigerant, The mix refrigerant as the unitary system cryogen of the R32 of micro- combustion property refrigerant or using R32 as main component is used.
In addition, although not shown, but it is configured with outdoor fan near outdoor heat exchanger 103.The outdoor fan is to room Outer heat-exchanger 103 is blown.
When the switching by above-mentioned outdoor unit control device 120 in tetra- tunnel switching valves 102 of cooling operation Shi Shi for dotted line Position and when operating compressor 101, the refrigerant of the high temperature and pressure sprayed from compressor 101 is cold in outdoor heat exchanger 103 Depressurized by electric expansion valve 104 and condensed in water heat exchanger 201 after solidifying, and compression is returned to via gas-liquid separator 105 The suction side of machine 101.At this time, the heat of refrigerant and water is carried out in the water heat exchanger 201 to play a role as evaporator Exchange, generate the cold water of desired temperature.
On the other hand, when operating compressor 101 in tetra- tunnel switching valves 102 of heating operation Shi Shi for the switching position of solid line When, the refrigerant of the high temperature and pressure sprayed from compressor 101 is subtracted by electric expansion valve 104 after being condensed in water heat exchanger 201 Press and evaporated in outdoor heat exchanger 103, and the suction side of compressor 101 is returned to via gas-liquid separator 105.At this time, The heat exchange of refrigerant and water is carried out in the water heat exchanger 201 to play a role as condenser, generates desired temperature Hot water.
<The structure of hot and cold water feed unit 200>
Above-mentioned hot and cold water feed unit 200 has water heat exchanger 201, expansion tank 202, circulating pump 203, goes to collector 204 and return to collector 205, pressure sensor 215 and accumulator 216.
Above-mentioned water heat exchanger 201 plays a role in cooling operation as evaporator, in heating operation as cold Condenser and play a role.In addition, water heat exchanger 201 be provided with for from outdoor unit 100 refrigerant flowing flow path and For the flow path of the water return flow from first to fourth floor cooling and warming panel P1~P4.
Above-mentioned expansion tank 202 carries positive and negative pressure valve, accumulates the cold water (or hot water) from water heat exchanger 201.In addition, The top of expansion tank 202 is provided with feed water inlet 202a, when needed, water is supplemented into expansion tank 202 from feed water inlet 202a.
The suction side of above-mentioned circulating pump 203 is connected with expansion tank 202, on the other hand, is sprayed side and is connected with going to collector 204 Connect.Thus, circulating pump 203 can by with heat exchange has been carried out by the refrigerant of water heat exchanger 201 cold water (or heat Water) it is sent to first to fourth floor cooling and warming panel P1~P4.
In addition, one end of the dynamic valve V1~V4 of first to fourth heat and one end of drain cock V5 are connected to and above-mentioned go to collector 204.First to fourth floor cooling and warming panel P1~P4 is connected with the other end of the dynamic valve V1~V4 of first to fourth heat Water inlet.In addition, the first to fourth dynamic valve V1~V4 of heat is to for first to fourth floor cooling and warming panel P1~P4 The flow path for providing cold water (or hot water) is opened and closed.
The above-mentioned dynamic valve V1~V4 of first to fourth heat is controlled the current of cold water (or hot water).More specifically, The dynamic valve V1~V4 of first to fourth heat is controlled by hot and cold water feed unit control device 220, is carried out and first to fourth floor The cooling and warming ability of cooling and warming panel P1~P4 sets corresponding on-off action.
In addition, the water out of first to fourth floor cooling and warming panel P1~P4 is connected to above-mentioned return collector 205. Thus, the cold water (or hot water) of first to fourth floor cooling and warming panel P1~P4 returns to hot and cold water feed unit 200.
In addition, above-mentioned hot and cold water feed unit is controlled with control device 220 through not shown signal wire with outdoor unit Device 120 processed connects, outdoor unit control device 120 and the 220 mutually coordinated action of hot and cold water feed unit control device.
<The structure of first to fourth floor cooling and warming panel P1~P4>
Above-mentioned first to fourth floor cooling and warming panel P1~P4 receives via the dynamic valve V1~V4 of first to fourth heat The confession of cold water (or hot water) gives to carry out the cooling and warming in temperature adjustment region.More specifically, first to fourth floor refrigerated medium Hot panel P1~P4 has first to fourth water-circulating pipe 301~304 for being formed as serpentine shape.From water heat exchanger 201 Cold water (or hot water) flowing in first to fourth water-circulating pipe 301~304.
Fig. 2 shows the front view of above-mentioned hot and cold water feed unit 200.
The hot and cold water feed unit 200 is arranged on the installation position of indoor wall and 400 specified altitude of liftoff plate Put.Connect as shown in Fig. 2, being provided with refrigerant piping in the bottom frame 231a of the shell 231 of the cuboid of hot and cold water feed unit 200 Socket part 234 and refrigerant piping connecting portion 235.One end of refrigerant piping L1 (going to pipe arrangement) is connected to the refrigerant piping Connecting portion 234, and one end of refrigerant piping L2 (return pipe arrangement) is connected to refrigerant piping connecting portion 235.The refrigeration Agent pipe arrangement L1 (going to pipe arrangement) and refrigerant piping L2 (return pipe arrangement) are equipped via the hole 400a for being arranged at floor 400 In the downside on floor 400, and it is connected to outdoor unit 100 (shown in Fig. 1).
In addition, the drain hose 230 that connector 232 is connected to using one end is interior with being connected below floor by shell 231, The connector 232 is arranged at the bottom frame 231a of shell 231.Above-mentioned drain hose 230 is an example of discharge member.
Fig. 3 shows the structure of above-mentioned hot and cold water feed unit 200, and is by front panel 231c from front The figure for the state that (shown in Fig. 2) and top plate 231d are unloaded (shown in Fig. 2).In figure 3, pair structural portion identical with Fig. 2 mark phase Same reference numeral.In addition, in figure 3,238,239 be drain cock.
The hot and cold water feed unit 200 has：The shell 231 of cuboid；Circulating pump 203, it is installed in the shell 231 Bottom frame 231a；With water heat exchanger 201, it is arranged on the left side in shell 231.In addition, the hydro-thermal in shell 231 is handed over The electric component portion on the right side of parallel operation 201 is provided with as one of control base board exemplary hot and cold water feed unit control dress Put 220.
The refrigerant of the high temperature and pressure provided from the compressor 101 of outdoor unit 100 (shown in Fig. 1) is connected from refrigerant piping Portion 234 is provided to above-mentioned water heat exchanger 201 via refrigerant piping 234a.In contrast, in water heat exchanger 201 The refrigerant for having carried out the cryogenic high pressure after heat exchange is carried via refrigerant piping 235a from refrigerant piping connecting portion 235 It is supplied to electric expansion valve 104 (shown in Fig. 1).
Pressure sensor 215 is arranged in above-mentioned refrigerant piping 234a, and accumulator is arranged in refrigerant piping 235a 216。
The suction inlet 203a of above-mentioned circulating pump 203 is exchanged with water the hot water supply mouth 201a of device 201 via hot water supply Pipe 236 and connect.In addition, the ejiction opening 203b of circulating pump 203 connects with going to collector 204 (shown in Fig. 1) via bleed pipe 237 Connect.Also, the water sucking mouth 201b of water heat exchanger 201 is connected with returning to collector 205 (shown in Fig. 1) via suction hose 240.
In the thermoregulating system of said structure, when the compressor 101 of outdoor unit 100 (shown in Fig. 1) is driven, on four tunnels The refrigerant that switching valve 102 is in the high temperature and pressure from compressor 101 in the state of the switching position of solid line is provided to water Heat exchanger 201.And then in water heat exchanger 201, with via the water for returning to collector 205 and suction hose 240 and being provided into Row heat exchange.Then, the liquid refrigerant of the cryogenic high pressure after heat exchange is sent to electric expansion valve from water heat exchanger 201 104 (shown in Fig. 1).On the other hand, drive of the hot water after heat exchange by means of circulating pump 203 is carried out in water heat exchanger 201 The negative pressure of movable property life is inhaled into circulating pump 203 via hot water supply pipe 236 from suction inlet 203a, and from ejiction opening 203b There is provided via bleed pipe 237 with collector 204 (shown in Fig. 1) is gone to.
According to the hot and cold water feed unit 200 of said structure, as shown in Figure 2 and Figure 3, by using (the row of drain hose 230 Go out component) shell 231 for accommodating water heat exchanger 201 is interior with being connected below floor, so as to be arranged at indoor shape In the case that combustible refrigerant is rapidly leaked into shell 231 under state, due to just leaking into the flammable refrigeration in shell 231 Majority in agent be not evaporated and by promptly after wandering via drain hose 230 out of shell 231 with the state of liquid Floor is discharged in the following, refrigerant is to indoor leakage during therefore, it is possible to prevent that combustible refrigerant from leaking.Therefore, it is possible to suppress Combustible refrigerant is detained indoors and risk increase that gas concentration becomes higher, is on fire etc..
Further, since discharge member uses drain hose 230, so as to be easy to set up would leak into shell 231 Combustible refrigerant to the path guided below floor, by using with flexible hose, so that the free degree set increases Height, and workability improves.
Further, since the combustible refrigerant (particularly liquid refrigerant) leaked into above-mentioned shell 231 accumulates in outside Bottom in shell 231, therefore, will connect by using drain hose 230 (discharge member) below the lower part and floor of shell 231 It is logical, so as to the liquid refrigerant to occupy the majority in the combustible refrigerant by leakage from the lower part of shell 231 via discharge Hose 230 and be rapidly vented to below floor.
In addition, by the way that drain hose 230 (discharge member) is connected to connector 232, the connector 232 is arranged at The lower part of water heat exchanger 201 in above-mentioned shell 231, so as to be leaked from the refrigerant piping coupling part of water heat exchanger 201 The combustible refrigerant gone out is wandered to the downside of water heat exchanger 201, can be soft by discharging via the connector 232 of downside Pipe 230 is discharged to below floor.
Here, the refrigerant piping coupling part of water heat exchanger 201 is respectively in water heat exchanger 201, pressure sensing Device 215, accumulator 216 and refrigerant piping connecting portion 234,235 connect the brazed portion of refrigerant piping.
[second embodiment]
Fig. 4 shows the front view of the hot and cold water feed unit 200 of the thermoregulating system of second embodiment of the present invention.Should Hot and cold water feed unit 200 has the structure identical with the hot and cold water feed unit 200 of first embodiment, to identical structural portion Mark identical reference numeral.
In addition, the downside in shell 231 is configured with Liquid acquisition component 251.The lowest order of the Liquid acquisition component 251 Put and be connected with connector 232.Thus, via drain hose 230 by the inside of shell 231 and ground of hot and cold water feed unit 200 Connected below plate.
The tilt angle theta 1 [degree] of the bottom surface of aforesaid liquid receiving part 252 is set to more than predetermined angular θ 1min The value of [degree].Refrigerant amount when predetermined angular θ 1min [degree] can be rapidly leaked into shell 231 according to combustible refrigerant And structure of shell 231 etc. and suitably determine.Here, tilt angle theta 1 is bottom surface and the horizontal plane of Liquid acquisition component 252 The angle of formation.
The hot and cold water feed unit 200 of above-mentioned second embodiment has the hot and cold water feed unit with first embodiment 200 identical effects.
Furthermore it is possible to use the inclined bottom surface of aforesaid liquid receiving part 251 would leak into the combustibility in shell 231 Refrigerant (or the liquid such as dew condensation water during supply cold water) is swimmingly guided to the connector 232 for being connected with drain hose 230.
In addition, in the above-described 2nd embodiment, the downside in shell 231 is configured with the liquid-receivable section of inclined bottom surface Part 251, but it is also possible that：Make the inclined bottom surface of the bottom frame 231a in shell 231, with to the company for being connected with drain hose 230 Interface 232 swimmingly guides.In addition, the Liquid acquisition component 251 of downside of the configuration in shell 231 is arranged on shell 231 The substantially the entirety of scope of bottom surface, but the region of downside of refrigerant piping coupling part that can also be at least in shell 231 is matched somebody with somebody Put Liquid acquisition component.
[the 3rd embodiment]
Fig. 5 shows the front view of the hot and cold water feed unit 200 of the thermoregulating system of third embodiment of the present invention.Should Hot and cold water feed unit 200 has the structure identical with the hot and cold water feed unit 200 of first embodiment, to identical structural portion Mark identical reference numeral.
Extend as shown in figure 5, the hot and cold water feed unit 200 of the 3rd embodiment possesses from side below shell 231 To the base 250 of floor.Above-mentioned base 250 forms the case for the part for accommodating refrigerant piping L1, L2 and drain hose 230 The path of shape.Refrigerant piping L1, L2 is equipped under floor 400 via the hole 400a being arranged on floor 400 Side, and be connected with outdoor unit 100 (shown in Fig. 1).
Discharge member is formed using above-mentioned drain hose 230 and base 250.
In addition, the downside in base 250 is configured with Liquid acquisition component 252.By the way that the upper end of drain hose 230 is connected The connector 252a for the extreme lower position for being arranged on the Liquid acquisition component 252 is connected to, so that via base 250 and drain hose 230 and by the inside of shell 231 of hot and cold water feed unit 200 with being connected below floor.
The tilt angle theta 2 [degree] of the bottom surface of aforesaid liquid receiving part 252 is set to more than predetermined angular θ 2min The value of [degree].Predetermined angular θ 2min [degree] can according to combustible refrigerant from hot and cold water feed unit 200 rapidly leak when Refrigerant amount and the structure of shell 231 and base 250 etc. and suitably determine.
In the above-described 3rd embodiment, the downside in base 250 is configured with Liquid acquisition component 252, but can also It is the structure at least one party for not possessing Liquid acquisition component or drain hose.Case is formed even if can also utilize in this case The base of shape path will be guided below from the combustible refrigerant of shell internal leakage to floor.
The hot and cold water feed unit 200 of above-mentioned 3rd embodiment has the hot and cold water feed unit with first embodiment 200 identical effects.
In addition, in the hot and cold water feed unit 200 for the type being arranged on wall, by being used in 231 lower part of shell Base 250 is used as box-like path, so that the lower side space for the shell 231 for being arranged at wall using the covering of base 250 (is equipped with and matches somebody with somebody The space of pipe etc.), it can be formed in the case where not damaging beauty and would leak into combustible refrigerant in shell 231 to floor The path guided below.
Furthermore it is possible to use the Liquid acquisition component 252 being configured in above-mentioned base 250 freezes the combustibility of leakage Agent (or the liquid such as dew condensation water during supply cold water) is reliably directed to the connection for being connected with drain hose 230 (discharge member) Mouth 252a.
Furthermore it is possible to use the inclined bottom surface of aforesaid liquid receiving part 252 will be leaked from 231 lower part of shell it is flammable Property refrigerant (or liquid such as dew condensation water during supply cold water) be swimmingly directed to the connector for being connected with drain hose 230 252a。
Outside above-mentioned shell 231, even if combustible refrigerant connects from the refrigerant piping for being connected with refrigerant piping L1, L2 Socket part 234,235 leaks out, can also receive in the base 250 and floor is discharged to by drain hose 230 in the following, security into One step improves.
[the 4th embodiment]
Fig. 6 shows the structure of the hot and cold water feed unit 200 for the thermoregulating system for representing the 4th embodiment of the present invention Figure.In addition to the coupling part of drain hose 230 and Liquid acquisition component 260, the hot and cold water feed unit 200 have with The identical structure of the hot and cold water feed unit 200 of first embodiment, identical reference numeral is marked to identical structural portion.
In the hot and cold water feed unit 200 of the 4th embodiment, as shown in fig. 6, the ratio hydro-thermal in shell 231 is handed over The position of parallel operation 201 on the lower is configured with Liquid acquisition component 260.
The upper end of drain hose 230 is connected to the connector 260a of the Liquid acquisition component 260.By the liquid-receivable section The liquid such as dew condensation water and leakage of refrigerant that part 260 receives are directed to the connector 260a of drain hose 230.Drain hose 230 It is an example of discharge member.
The hot and cold water feed unit 200 of above-mentioned 4th embodiment has the hot and cold water feed unit with first embodiment 200 identical effects.
Furthermore it is possible to use the Liquid acquisition component 260 being configured in above-mentioned shell 231 freezes the combustibility of leakage Agent (or the liquid such as dew condensation water during supply cold water) is reliably directed to the connector being connected with drain hose 230 (discharge member) 260a。
Alternatively, it is also possible to so：Make the inclined bottom surface of aforesaid liquid receiving part 260 and by the combustible refrigerant of leakage The connector 252a being connected with drain hose 230 (discharge member) is swimmingly directed to Deng liquid.
[the 5th embodiment]
Fig. 7 shows the structure of the hot and cold water feed unit 200 of the thermoregulating system of the 5th embodiment of the present invention.Except Beyond the coupling part of drain hose 230 and the first cap assembly 270, which has and the first embodiment party The identical structure of the hot and cold water feed unit 200 of formula, identical reference numeral is marked to identical structural portion.
As shown in fig. 7, in the hot and cold water feed unit 200 of the 5th embodiment, shell 231 bottom frame 231a with The mode of covering refrigerant piping connecting portion 234 and refrigerant piping connecting portion 235 is provided with the first cap assembly 270.This first Cap assembly 270 is connected to the connector 241 of bottom frame 231a, has the refrigerant for being connected with refrigerant piping connecting portion 234 Pipe arrangement L1 and hole 270a, 270b of the refrigerant piping L2 perforations being connected with refrigerant piping connecting portion 235.In addition, the first cover Component 270 has the connecting hole 270c being connected with the upper end of drain hose 230.In addition, the hole 270a of the first cap assembly 270 and system Gap between cryogen pipe arrangement L1 and the gap between the hole 270b and refrigerant piping L2 of the first cap assembly 270 are by sealant etc. It is closed.
Discharge member is formed using above-mentioned 230 and first cap assembly 270 of drain hose.
In addition, in the hot and cold water feed unit 200 of the 5th embodiment, can also installation base plate cap assembly 221, it is described Substrate cap assembly 221 covers the electric component portion for being provided with hot and cold water feed unit control device 220.Thereby, it is possible to opposite The point of origin in electric component portion is isolated in the refrigerant leaked into shell 231, security improves.
In addition, Fig. 8 shows the section view of the mian part including the first cap assembly 270 from the VII-VII lines in Fig. 7 Figure.First cap assembly 270 has front side cover portion 271 and rear side cover portion 272.In front side, the upper end of cover portion 271 is provided with hook 271a.In addition, the upper end of rear side cover portion 272 is provided with hook 272a.
Run through in the connector 241 for be arranged at the elongated hole-shape of bottom frame 231a of shell 231 inserted with refrigerant piping 234a, 235a (only show 235a) in fig. 8.Opposed side by the hook 271a of front side cover portion 271 engaging in the connector 241 One side of edge, also, the opposing party by the hook 272a of rear side cover portion 272 engaging in the opposed edge of connector 241.
According to the hot and cold water feed unit 200 of said structure, in the ratio refrigerant piping connection being arranged in shell 231 The connector 241 of the position of part on the lower is connected with discharge member (the first cap assembly 270 and drain hose 230), passes through profit The combustible refrigerant that would leak into the first cap assembly 270 and drain hose 230 in shell 231 is discharged to from connector 241 Outside shell 231, so that in the case where being arranged at combustible refrigerant in the state of interior and rapidly leaking into shell 231, Since the majority just leaked into the combustible refrigerant in shell 231 is not evaporated and liquid condition is kept, liquid Combustible refrigerant can flow down via the first cap assembly 270 and drain hose 230 out of shell 231 and be rapidly vented to ground Below plate.Therefore, it is possible to prevent that refrigerant to indoor leakage, can suppress combustible refrigerant when combustible refrigerant leaks The risk that indoor and gas concentration becomes higher, is on fire etc. is stranded in increase.
In addition, in the case where the above-mentioned combustible refrigerant of gasification is heavier than air, the combustible refrigerant of gas also flows Downwards lower section is discharged to via the first cap assembly 270 and drain hose 230 out of shell 231.
Further, since the combustible refrigerant (particularly liquid refrigerant) leaked into above-mentioned shell 231 accumulates in outside Bottom in shell 231, therefore, will discharge by using the first cap assembly 270 from the leakage of refrigerant of the lower part of shell 231, So as to would leak into the liquid refrigerant to occupy the majority in the combustible refrigerant in shell 231 from the lower part of shell 231 It is rapidly vented to via the first cap assembly 270 and drain hose 230 below floor.
Further, since the refrigerant piping connecting portion 234,235 outside above-mentioned first cap assembly, 270 covering shell 231, because This, also can be in the first cover even if refrigerant piping connecting portion 234,235 of the combustible refrigerant outside the shell 231 leaks out Receive and discharge it in component 270, security further improves.
In addition, by configuring hot and cold water feed unit control device 220 (control base board) in above-mentioned 231 internal ratio of shell The upper position of first cap assembly 270, so as to relative to the combustible refrigerant for leaking into the bottom in shell 231 and Point of origin as hot and cold water feed unit is had with control device 220 pulls open upward, and security improves.
In addition, above-mentioned hydrothermal exchange will be accommodated by using the first cap assembly 270, drain hose 230 (discharge member) With being connected below floor in the shell 231 of device 201, so that combustible refrigerant rapidly leaks in the state of interior is arranged at In the case of in shell 231, due to just leaking into most be not evaporated in the combustible refrigerant in shell 231 with liquid The state of body is rapidly vented to below floor after wandering via drain hose 230 out of shell 231.
In addition, discharge member uses drain hose 230, so as to be easy to set up would leak into shell 231 can Combustion property refrigerant is to the path guided below floor, by using with flexible hose, so that the free degree set increases, and And workability improves.
Further, since the combustible refrigerant (particularly liquid refrigerant) leaked into above-mentioned shell 231 accumulates in outside Bottom in shell 231, therefore, by using the first cap assembly 270, drain hose 230 (discharge member) by the lower part of shell 231 Connected with below floor, so as to the liquid refrigerant to occupy the majority in the combustible refrigerant by leakage from shell 231 Lower part is rapidly vented to below floor via the first cap assembly 270, drain hose 230.
Alternatively, it is also possible to make the bottom angled in shell 231 so that liquid is guided to the first cap assembly 270.In the feelings Under condition, can utilize shell 231 inclined bottom surface would leak into shell 231 combustible refrigerant (or supply cold water When the liquid such as dew condensation water) be swimmingly directed to connector 241.
In addition, in the hot and cold water feed unit 200 of above-mentioned 5th embodiment, can also be in the downside in shell 231 Configure the Liquid acquisition component 251 shown in Fig. 4 of second embodiment.In this case, Liquid acquisition component 251 can be utilized The combustible refrigerant (or liquid such as dew condensation water during supply cold water) that would leak into shell 231 of inclined bottom surface it is smooth Ground is directed to connector 241.
[sixth embodiment]
Fig. 9 shows the structure of the hot and cold water feed unit 200 of the thermoregulating system of the sixth embodiment of the present invention.Except Beyond second cap assembly 280, the hot and cold water feed unit 200 of the sixth embodiment has the hot and cold water with the 5th embodiment The identical structure of feed unit 200, identical reference numeral is marked to identical structural portion.
As shown in figure 9, in the hot and cold water feed unit 200 of the sixth embodiment, pacify in the bottom frame 231a of shell 231 The first cap assembly 270 equipped with covering refrigerant piping connecting portion 234 and refrigerant piping connecting portion 235.
In addition, the second cap assembly of the refrigerant piping coupling part of covering refrigerant loop is installed in shell 231 280.Second cap assembly 280 is made of heat-barrier material (such as Foamex), it is with main part 280a and from main part The guide portion 280b that the lower end of 280a extends downwards.The main part 280a covering water heat exchangers 201 of second cap assembly 280 A part (including pressure sensor 215, accumulator 216) the i.e. refrigerant piping coupling part of front face side.
Figure 10 shows the sectional view from the IX-IX lines of Fig. 9, and pair structural portion identical with Fig. 9 marks identical reference Label.
As shown in Figure 10, in shell 231 behind side back side heat insulating member 290 is installed.Water heat exchanger 201 is embedding Enter into the recess 290a for the lengthwise for being arranged at the back side heat insulating member 290.
Here, it is being equipped with the refrigerant piping 234a (shown in Fig. 3) of pressure sensor 215 and is being equipped with accumulator 216 Refrigerant piping 235a (shown in Fig. 3) in, combustible refrigerant from be brazed pipe connection part leakage in the case of, As indicated by the arrows in figure 10, the combustible refrigerant of leakage in the main part 280a of the second cap assembly 280 to flowing underneath, And it is directed into from the lower end of main part 280a via guide portion 280b in the first cap assembly 270.Then, covered via with first The drain hose 230 of connecting hole 270c (shown in Fig. 7) connections of component 270 and be discharged to below floor.
Discharge member is formed by above-mentioned 230 and first cap assembly 270 of drain hose.First cap assembly 270 is covered with front side Portion 271 and rear side cover portion 272.
Figure 11 shows the amplification view of the mian part including the first cap assembly 270 in Fig. 9.In fig. 11, pair with the The structural portion that Fig. 8 of five embodiments is identical marks identical reference numeral.
As shown in figure 11, the combustible refrigerant leaked from the pipe connection part of top is directed into the second cap assembly In 280 guide portion 280b, and wandered via the connector 241 for being arranged at bottom frame 231a into the first cap assembly 270.
Figure 12 shows the exploded perspective view of above-mentioned hot and cold water feed unit 200.In fig. 12, front panel is eliminated 231c (shown in Fig. 2) and top plate 231d (shown in Fig. 2).
As shown in figure 12, above-mentioned hot and cold water feed unit 200 has：Bottom frame 231a；Back panel 231b, it surrounds the bottom The rear side and left surface and right flank of frame 231a；Back side heat insulating member 290, it is embedded in back panel 231b；Hydro-thermal is handed over Parallel operation 201, it is embedded in the recess 290a of lengthwise, and the recess 290a is arranged on the left side of back side heat insulating member 290； Expansion tank 202, thereafter surface side be embedded in recess 290b, the recess 290b is arranged on the right side of back side heat insulating member 290 Side；Above heat insulating member 295, it covers the front face side of expansion tank 202；Hot and cold water feed unit control device 220, it is pacified Front surface loaded on heat insulating member before this 295；Second cap assembly 280, it covers the refrigerant piping connection of refrigerant loop Part；With the first cap assembly 270 (front side cover portion 271, rear side cover portion 272), it is installed in the downside of bottom frame 231a.
In addition, Figure 13 is shown is provided with back side heat insulating member 290 in the bottom frame 231a of above-mentioned hot and cold water feed unit 200 With the stereogram of the state of first, second cap assembly 270,280.In fig. 13, a pair structural portion identical with Fig. 9 marks identical reference Label.
In addition, Figure 14 is shown is provided with back side heat insulating member 290 in the bottom frame 231a of above-mentioned hot and cold water feed unit 200 With the front view of the state of first, second cap assembly 270,280.In fig. 14, a pair structural portion identical with Fig. 9 marks identical reference Label.
In addition, Figure 15 (a) shows the solid from right diagonally forward and oblique upper of above-mentioned second cap assembly 280 Figure.In addition, Figure 15 (b) shows the stereogram from right rear ramp and oblique upper of above-mentioned second cap assembly 280.Figure 15 (c) stereogram from left rear ramp and oblique upper of above-mentioned second cap assembly 280 is shown.
As shown in Figure 15 (a) to Figure 15 (c), the main part 280a of the second cap assembly 280 is in the lengthwise of side opening below Domed shape.The guide portion 280b of oblong-shaped extends downwards from the edge of the lower end of main part 280a and open side, Each side in addition to top of guide portion 280b is provided with perisporium 281,282,283.
The hot and cold water feed unit 200 of above-mentioned sixth embodiment has the hot and cold water feed unit with the 5th embodiment 200 identical effects.
Alternatively, it is also possible to be configured to so：Make the guide portion 280b of above-mentioned cap assembly 280 and be arranged on shell 231 Connector 241 on bottom frame 231a engages.Thereby, it is possible to which the refrigerant of leakage is guided to connector 241, and can carry out The positioning of cap assembly 280.
[the 7th embodiment]
Figure 16 shows the structure of the hot and cold water feed unit 200 of the thermoregulating system of the 7th embodiment of the present invention.Remove Beyond first cap assembly 275, which has the hot and cold water feed unit 200 with the 5th embodiment Identical structure, identical reference numeral is marked to identical structural portion.
As shown in figure 16, in the hot and cold water feed unit 200 of the 7th embodiment, in the bottom frame 231a of shell 231 First cap assembly 275 of covering refrigerant piping connecting portion 234 and refrigerant piping connecting portion 235 is installed.First cover portion Part 275 has the refrigerant piping L1 for supplying to be connected with refrigerant piping connecting portion 234 and is connected with refrigerant piping connecting portion 235 Refrigerant piping L2 perforation hole 275a, 275b.It is connected in addition, the first cap assembly 275 has with the upper end of drain hose 230 Connecting hole 275c.
Discharge member is formed using above-mentioned 230 and first cap assembly 275 of drain hose.
Also, the first cap assembly 275 has path of navigation 275d, the path of navigation 275d via being arranged at shell The connector 276 of 231 left surface and be directed to the connecting hole 275c being connected with drain hose 230.
The above-mentioned 7th hot and cold water feed unit 200 for applying mode has the hot and cold water feed unit with the 5th embodiment 200 identical effects.
Further, since the combustible refrigerant (particularly liquid refrigerant) leaked into above-mentioned shell 231 accumulates in outside Bottom in shell 231, therefore, by using the first cap assembly 275 by shell 231 than refrigerant piping coupling part On the lower and the sidepiece of shell 231 leakage of refrigerant discharge, it is more so as to accounting in the combustible refrigerant by leakage Several liquid refrigerants is rapidly vented to floor from the lower part of shell 231 via the first cap assembly 275 and drain hose 230 Below.
In addition, by the way that the first cap assembly 275 is connected to the water heat exchanger 201 being arranged in above-mentioned shell 231 Connector 276 on left surface, so that the combustible refrigerant leaked out from the refrigerant piping coupling part of water heat exchanger 201 Can wander to the downside of water heat exchanger 201, via the connector 276 of downside and left surface by the first cap assembly 275, Drain hose 230 is discharged to below floor.
[the 8th embodiment]
Figure 17 shows that expression possesses the hot water supply dress of the hot-water storage unit 1001 of the 8th embodiment of the present invention The simple composition figure put, Figure 18 show the loop diagram of above-mentioned hot water supply apparatus.
As shown in Figure 17, Figure 18, the hot water supply apparatus of the first embodiment possesses hot-water storage unit 1001 and heat Pump unit 1002.
Above-mentioned hot-water storage unit 1001 has：Shell 1040；Hot-water storage case 1011, it is configured in shell 1040 It is interior；With water heat exchanger 1012, it is used to generate the hot water being accumulated in the hot-water storage case 1011.Above-mentioned hot-water storage list Member 1001 is an example for being arranged at indoor water heat exchanger housing unit.
The water supply piping 1032 being connected with watering E is connected with the bottom of above-mentioned hot-water storage unit 1001.Thus, it is hot The municipal water supply (tap water) of watering E can be imported into hot water storage by water storage unit 1001 via water pipe arrangement 1032a is entered Deposit the bottom of case 1011, it is described enter water pipe arrangement 1032a match somebody with somebody 1032 branch of water supply piping that effective connector 1076 is connected from water. In addition, one end of circulation pipe arrangement 1033 is connected with the bottom of hot-water storage case 1011.On the other hand, in hot-water storage case 1011 Top be connected with circulation pipe arrangement 1033 the other end.Circulating pump 1034 and water heat exchanger are equipped in the circulation pipe arrangement 1033 1012。
In addition, mixing valve 1036 is connected with via hot water supply pipe arrangement 1035 at the top of hot-water storage case 1011. The mixing valve 1036 be connected with from 1032 branch of water supply piping it is another enter water pipe arrangement 1032b and hot water supply terminal T.Thus, In above-mentioned hot water supply apparatus, by using mixing valve 1036 by the hot water flowed out from the top of hot-water storage case 1011 with from The water that watering E is provided mixes, so as to provide the hot water of desired temperature in hot water supply terminal T.Though in addition, Omitted in Figure 18, but the bathroom circulation pipe arrangement 1090 shown in Figure 17 is connected with hot-water storage case 1011.
Above-mentioned water heat exchanger 1012 is configured in 1011 lower part of hot-water storage case, works as condenser.More For body, in water heat exchanger 1012, high temperature refrigerant from heat pump unit 1002 with from hot-water storage case 1011 Water carries out heat exchange.Thus, hot-water storage unit 1001 can be by the water from hot water container 1011 in water heat exchanger It is returned to after being heated in 1012 in hot-water storage case 1011.
Above-mentioned heat pump unit 1002 does not include water heat exchanger 1012, including：Compressor 1021, it is exchanged with water device 1012 connections；With expansion mechanism 1022 and air heat exchanger 1023.The compressor 1021, water heat exchanger 1012, expanding machine Structure 1022 and air heat exchanger 1023 are connected via refrigerant piping 1031 (go to pipe arrangement 1031a, return to pipe arrangement 1031b) It is connected into ring-type.The air heat exchanger 1023 plays a role as evaporator.In addition, expansion mechanism 1022 is, for example, expansion valve.
In addition, the pipe arrangement 1031a that goes to of refrigerant piping 1031 is connected to via refrigerant piping connecting portion 1074 One end of refrigerant piping 1031c.On the other hand, pipe arrangement 1031b is returned to be connected via refrigerant piping connecting portion 1073 In the other end of refrigerant piping 1031c.In addition, refrigerant piping 1031c is via water heat exchanger 1012 and by refrigerant Tubing connection portion 1073,1074 connects.
By the way that above-mentioned compressor 1021, expansion mechanism 1022 and air heat exchanger 1023 and water heat exchanger 1012 are connected Ring-type is connected into, so as to constitute refrigerant loop.In the refrigerant loop, as an example of combustible refrigerant, make Mix refrigerant by the use of the unitary system cryogen of the R32 as micro- combustion property refrigerant or using R32 as main component.
When driving above-mentioned compressor 1021 and during circulating pump 1034, the water in hot-water storage case 1011 is from hot-water storage case 1011 bottom is flowed in circulation pipe arrangement 1033.At this time, flowing water passes through in water heat exchanger in pipe arrangement 1033 is circulated After becoming hot water with the heat exchange of high temperature refrigerant in 1012, hot-water storage case is returned to from the top of hot-water storage case 1011 In 1011.By action as lasting progress, so as to stockpile the hot water of high temperature in hot-water storage case 1011.Hot water is store The hot water deposited in case 1011 is provided to hot water via water pipe arrangement 1037 and water with effective connector 1075 and water pipe arrangement 1080 Supply terminal T or bathroom.
Figure 19 shows the stereogram of above-mentioned hot-water storage unit 1001, and Figure 20, which is shown, removes pipe arrangement in Figure 19 etc. State.In Figure 19, Tu20Zhong, pair structural portion identical with Figure 17, Figure 18 marks identical reference numeral.
As shown in Figure 19, Figure 20, above-mentioned hot-water storage unit 1001 has shell 1040.Accommodated in the shell 1040 Hot-water storage case 1011, water heat exchanger 1012, hot water supply pipe arrangement 1035 (shown in Figure 18), enter water pipe arrangement 1032a, enter water and match somebody with somebody Pipe 1032b (shown in Figure 18) and refrigerant piping 1031c etc..The hot-water storage case 1011 is covered by heat-barrier material 1013.In addition, Water heat exchanger 1012 is also covered by heat-barrier material 1014.
Above-mentioned hot-water storage case 1011 is supported by three staving legs 1050,1050,1050, and is erected on bottom plate 1045. One in three staving legs 1050,1050,1050 is in front face side, and other two in side below.
Above-mentioned hot-water storage case 1011 is kept apart by means of the supporting of staving leg 1050 with bottom plate 1045.In the hot-water storage Water heat exchanger 1012 is configured between the bottom surface of case 1011 and bottom plate 1045.
The front portion of above-mentioned shell 1040 is provided with maintenance opening portion 1047.In addition, safeguarded in shell 1040 with covering Cover board 1048 can be removably installed with the mode of opening portion 1047.
Figure 21 shows the front view of the lower part of above-mentioned hot-water storage unit 1001.In figure 21, pair with Figure 19, Tu20Xiang With the identical reference numeral of structural portion mark.
As shown in figure 21, water is provided with the front of cover board 1048 and matches somebody with somebody effective connector 1071,1072.Water matches somebody with somebody effective connection Mouthfuls 1071,1072 via the water pipe arrangement 1061,1063 (shown in Figure 19) in shell 1040 and with the top of hot-water storage case 1011 Connection.Thus, as long as water pipe arrangement (not shown) is connected to water can just make hot-water storage case with effective connector 1071,1072 Hot water in 1011 flows to other hot water supply terminals.In addition, in fig. 17, eliminate water pipe arrangement 1061,1063 and water pipe arrangement With the diagram of connector 1071,1072.
Side of the above-mentioned water with effective connector 1071,1072 is provided with refrigerant piping connecting portion 1073,1074.Should Match somebody with somebody the height of effective connector 1071,1072 less than water in position in the short transverse of refrigerant piping connecting portion 1073,1074 Position on direction.
In addition, above-mentioned water with effective connector 1071,1072 opposite side be provided with water with effective connector 1075, 1076。
As shown in figure 21, the hot-water storage unit 1001 of said structure is arranged on floor 1400.In hot-water storage list In member 1001, one end of the return pipe arrangement 1031b of refrigerant piping 1031 is connected to refrigerant piping connecting portion 1073, and One end for going to pipe arrangement 1031a of refrigerant piping 1031 is connected with refrigerant piping connecting portion 1074.The refrigerant piping 1031 (go to pipe arrangement 1031a, return to pipe arrangement 1031b) are provided in floor via the hole 1400a being arranged on floor 1400 1400 downside, and it is connected to the heat pump unit 1002 being disposed in the outdoor (shown in Figure 17).
In addition, be connected to using one end the drain hose 1230 of the bottom plate 1045 of shell 1040 by shell 1040 with ground Connected below plate.Above-mentioned drain hose 1230 is an example of the first cap assembly.
According to the hot-water storage unit 1001 of said structure, will be accommodated by using drain hose 1230 (discharge member) With being connected below floor in the shell 1040 of water heat exchanger 1012, so that the flammable refrigeration in the state of interior is arranged at In the case that agent is rapidly leaked into shell 1040, due to just leaking into the majority in the combustible refrigerant in shell 1040 not Be evaporated and be discharged to floor after wandering via drain hose 1230 out of shell 1040 with the state of liquid in the following, because This, can prevent when combustible refrigerant from leaking refrigerant to indoor leakage.It is trapped in therefore, it is possible to suppress combustible refrigerant The risk increase that indoor and gas concentration becomes higher, is on fire etc..
In addition, discharge member uses drain hose 1230, so as to be easy to set up would leak into shell 1040 Combustible refrigerant is to the path guided below floor, by using with flexible hose, so that the free degree set increases, And workability improves.
Further, since the combustible refrigerant (particularly liquid refrigerant) leaked into above-mentioned shell 1040 accumulates in outside Bottom in shell 1040, therefore, by using drain hose 1230 (discharge member) by below the lower part and floor of shell 1040 Connection, so as to the liquid refrigerant to occupy the majority in the combustible refrigerant by leakage from the lower part of shell 1040 via row Go out hose 1230 and be rapidly vented to below floor.
In addition, by the way that drain hose 1230 (discharge member) is connected to connector 1232, the connector 1232 is set The lower part for the water heat exchanger 1012 being placed in above-mentioned shell 1040, so as to be connected from the refrigerant piping of water heat exchanger 1012 The combustible refrigerant that part leaks out can be wandered to the downside of water heat exchanger 1012, can be via the connector 1232 of downside It is discharged to by drain hose 230 below floor.
In addition, in the above-described 8th embodiment, it is also possible that：The Liquid acquisition component of inclined bottom surface is configured the bottom of at On plate 1045, the refrigerant of leakage is swimmingly directed to the connector 1232 for being connected with drain hose 1230.In addition, also may be used With so：Make the inclined bottom surface of bottom plate 1045, the refrigerant of leakage is swimmingly directed to and is connected with drain hose 1230 Connector 1232.
[the 9th embodiment]
Figure 22 shows the front view of the lower part of the hot-water storage unit 1001 of the 9th embodiment of the present invention.Except not having Have beyond this point of connector 1232 and drain hose 1230 and decoration panel 1250, the hot-water storage unit of the 9th embodiment 1001 have the structure identical with the hot-water storage unit 1001 of the 8th embodiment, quote Figure 17 to Figure 20.
In the hot-water storage unit 1001 of the 9th embodiment, as shown in figure 22, in the bottom plate 1045 of shell 1040 Decoration panel 1250 is configured with a manner of around complete cycle between floor 1400.
Above-mentioned decoration panel 1250, which is formed, accommodates the one of refrigerant piping 1031 (1031a, 1031b) and drain hose 1230 The path of partial box-like.The refrigerant piping 1031 (1031a, 1031b) via the hole 1400a for being arranged at floor 1400 and Be provided in the downside on floor 1400, and be connected to heat pump unit 1002 (shown in Fig. 8).
Discharge member is formed using above-mentioned drain hose 1230 and decoration panel 1250.
In addition, the downside in decoration panel 1250 is configured with Liquid acquisition component 1252.By by drain hose 1230 Upper end be connected to connector 1252a, the connector 1252a and be arranged on the minimum position of the Liquid acquisition component 1252 Put, so that by means of decoration panel 1250 and drain hose 1230 by the inside of shell 1040 of hot-water storage unit 1001 and floor Connect below.
The tilt angle theta 3 [degree] of the bottom surface of aforesaid liquid receiving part 1252 is set to more than predetermined angular θ 3min The value of [degree].Predetermined angular θ 3min [degree] can according to combustible refrigerant from hot-water storage unit 1001 rapidly leak when Refrigerant amount and the structure of shell 1040 and decoration panel 1250 etc. and suitably determine.
In the above-described 9th embodiment, the downside in decoration panel 1250 is configured with Liquid acquisition component 1252, but It can also be the structure for not possessing at least one party in Liquid acquisition component or drain hose.Even if in this case also can profit It will be directed to the base for forming box-like path from the combustible refrigerant of shell internal leakage below floor.
The hot-water storage unit 1001 of above-mentioned 9th embodiment has the hot-water storage unit with the 8th embodiment 1001 identical effects.
In addition, in the hot-water storage unit 1001 of the type of wall is arranged at, by using dress in 1040 lower part of shell Path of the decoration panel 1250 as box-like, so as to be arranged at using the covering of decoration panel 1250 under the shell 1040 of wall Side space (be laid with pipe arrangement etc. space), forms the combustible refrigerant that would leak into shell 1040 to guiding below floor Path, does not interfere with beauty.
Furthermore it is possible to use the Liquid acquisition component 1252 being configured in above-mentioned decoration panel 1250 is by the flammable of leakage Property refrigerant (or liquid such as dew condensation water during supply cold water) be reliably directed to and be connected with 1230 (discharge unit of drain hose Part) connector 1252a.
Furthermore it is possible to use the inclined bottom surface of aforesaid liquid receiving part 1252 by from 1040 lower part of shell leak can Combustion property refrigerant (or the liquid such as dew condensation water during supply cold water) is swimmingly directed to the connection for being connected with drain hose 1230 Mouth 1252a.
In addition, outside above-mentioned shell 1040, though combustible refrigerant from be connected with refrigerant piping 1031 (1031a, Refrigerant piping connecting portion 1074,1073 1031b) leaks out, also can be soft by discharging in interior receive of decoration panel 1250 Pipe 1230 is discharged to floor in the following, security further improves.
[the tenth embodiment]
Figure 23 shows the front view of the lower part of the hot-water storage unit 1001 of the tenth embodiment of the present invention.Except row Go out beyond 1230 and first cap assembly 1270 of hose, the hot-water storage unit 1001 of the tenth embodiment has to be implemented with the 8th The identical structure of the hot-water storage unit 1001 of mode, quotes Figure 17 to Figure 20.
In the hot-water storage unit 1001 of the tenth embodiment, as shown in figure 23, covering is installed in cover board 1048 First cap assembly 1270 of refrigerant piping 1031 (go to pipe arrangement 1031a, return to pipe arrangement 1031b).First cap assembly 1270 Pipe arrangement 1031a and and refrigerant piping are gone to the refrigerant piping 1031 for being connected with refrigerant piping connecting portion 1074 The hole (not shown) for returning to pipe arrangement 1031b perforations for the refrigerant piping 1031 that connecting portion 1073 connects.In addition, the first cap assembly 1270 have the connecting hole (not shown) being connected with the upper end of drain hose 1230.In addition, shell 1040 in the first cap assembly Connected in 1270 by means of the connector 1232 of the lower part for the water heat exchanger 1012 being arranged in shell 1040.
Discharge member is formed using above-mentioned 1230 and first cap assembly 1270 of drain hose.
According to the hot-water storage unit 1001 of said structure, discharge member (the first cap assembly 1270 and drain hose 1230) Connector 1232 is connected to, the connector 1232 is arranged on than the refrigerant piping coupling part in shell 1040 on the lower The position of side, the combustible refrigerant in shell 1040 is would leak into by using the first cap assembly 1270 and drain hose 1230 It is discharged to from connector 1232 outside shell 1040, so that combustible refrigerant rapidly leaks into the state of interior is arranged at In the case of in shell 1040, since the majority just leaked into the combustible refrigerant in shell 1040 is not evaporated and keep Liquid condition, therefore, the combustible refrigerant of liquid can be out of shell 1040 via the first cap assembly 1270 and drain hose 1230 flow down and are rapidly vented to below floor.Therefore, it is possible to prevent when combustible refrigerant leaks refrigerant to interior Leakage, can suppress combustible refrigerant and be stranded in the risk that indoor and gas concentration becomes higher, is on fire etc. to increase.
In addition, in the case where the above-mentioned combustible refrigerant of gasification is heavier than air, the combustible refrigerant of gas also flows Downwards lower section is discharged to via the first cap assembly 1270 and drain hose 1230 out of shell 1040.
Further, since the combustible refrigerant (particularly liquid refrigerant) leaked into above-mentioned shell 1040 accumulates in outside Bottom in shell 1040, therefore, will arrange by using the first cap assembly 1270 from the leakage of refrigerant of the lower part of shell 1040 Go out, so as to would leak into the liquid refrigerant to occupy the majority in the combustible refrigerant in shell 1040 from shell 1040 Lower part is rapidly vented to below floor via the first cap assembly 1270 and drain hose 1230.
Further, since the refrigerant piping connecting portion 1234,1235 outside above-mentioned first cap assembly, 1270 covering shell 1040, Therefore, being leaked out even if refrigerant piping connecting portion 1234,1235 of the combustible refrigerant outside the shell 1040 also can be Receive and discharge it in one cap assembly 1270, security further improves.
Handed in addition, above-mentioned hydro-thermal will be accommodated by using the first cap assembly 1270, drain hose 1230 (discharge member) With being connected below floor in the shell 1040 of parallel operation 1012, so that combustible refrigerant is rapidly in the state of interior is arranged at In the case of leaking into shell 1040, the majority in the combustible refrigerant just leaked into shell 1040 be not evaporated and with The state of liquid is flowed down via drain hose 1230 out of shell 1040 and is promptly discharged to below floor.
In addition, discharge member uses drain hose 1230, so as to be easy to set up would leak into shell 1040 Combustible refrigerant is to the path guided below floor, by using with flexible hose, so that the free degree set increases, And workability improves.
Alternatively, it is also possible to so：Using the second cap assembly being configured in shell 1040 at least by refrigerant loop Refrigerant piping coupling part covers, and the combustible refrigerant of leakage is directed to outside shell 1040.
[the 11st embodiment]
Figure 24 shows the front view of the lower part of the hot-water storage unit 1001 of the 11st embodiment of the present invention.Except Beyond first cap assembly 1275, the hot-water storage unit 1001 of the 11st embodiment has the hot water with the tenth embodiment The identical structure of storage unit 1001, quotes Figure 17 to Figure 20.
In the hot-water storage unit 1001 of the 11st embodiment, as shown in figure 24, it is provided with and covers in cover board 1048 First cap assembly 1275 of lid refrigerant piping 1031 (go to pipe arrangement 1031a, return to pipe arrangement 1031b).First cap assembly 1275 main part 1275a goes to pipe arrangement with the refrigerant piping 1031 for being connected with refrigerant piping connecting portion 1074 (do not scheme in the hole of the return pipe arrangement 1031b of 1031a and the refrigerant piping 1031 being connected with refrigerant piping connecting portion 1073 perforations Show).In addition, there is the main part 1275a of the first cap assembly 1275 connecting hole being connected with the upper end of drain hose 1230 (not scheme Show).
Also, the first cap assembly 1275 have from the right side of main part 1275a along the right flank of shell 1040 and it is upward The path of navigation 1275b of Fang Yanshen.
Discharge member is formed using above-mentioned 1230 and first cap assembly 1275 of drain hose.
In the hot-water storage unit 1001 of said structure, escape to the bottom surface of hot-water storage case 1011 (shown in Figure 20) with The refrigerant in space between bottom plate 1045 (shown in Figure 20) via the right flank for being arranged on shell 1040 connector 1233 and main part 1275a is directed into via the path of navigation 1275b of the first cap assembly 1275, and via drain hose 1230 and be discharged to the downside on floor 1400.
In this way, the first cap assembly 1275 have with the hot and cold water feed unit 200 shown in Figure 16 of the 7th embodiment The same effect of the first cap assembly 275.
As above-mentioned combustible refrigerant, by using the unitary system cryogens formed of the R32 by micro- combustion property or using R32 as The mix refrigerant of main component, so that since the ozone destruction coefficient and global greenhouse effect coefficient GWP of R32 are low, accordingly, it is capable to Enough suppress the influence to global greenhouse effect, and coefficient of performance (Coefficient Of Performance) improves, energy Enough reduce energy expenditure.
In the above-mentioned first to the 11st embodiment, the list of the R32 of micro- combustion property has been used as combustible refrigerant One refrigerant or the mix refrigerant using R32 as main component, but not limited to this, it can also apply the present invention to use The water heat exchanger housing unit of other combustible refrigerants.
In addition, in the above-mentioned first to the 11st embodiment, hot and cold water is supplied as water heat exchanger housing unit It is illustrated to unit 200 and hot-water storage unit 1001, but water heat exchanger housing unit not limited to this, can also be by this Invention is applied to the device for possessing for combustible refrigerant flowing water heat exchanger and the shell for accommodating the water heat exchanger.
The specific embodiment of the present invention is illustrated, but the invention is not restricted to the above-mentioned first to the 11st implementation Mode, can make various changes to implement within the scope of the invention.For example, it is also possible to will be combined as above-mentioned first to The mode of content described in 11st embodiment is as an embodiment of the invention.
Label declaration
100：Outdoor unit；101：Compressor；102：Four tunnel switching valves；103：Outdoor heat exchanger；104：Electric expansion valve； 105：Gas-liquid separator；120：Outdoor unit control device；200：Hot and cold water feed unit；201、1012：Water heat exchanger； 202：Expansion tank；203、1034：Circulating pump；204：Go to collector；205：Return to collector；215：Pressure sensor；216：By liquid Device；220：Hot and cold water feed unit control device；221：Substrate cap assembly；230、1230：Drain hose；231、1040：Outside Shell；232、260a、241、276、1232、1233：Connector；234、235、1073、1074：Refrigerant piping connecting portion；250： Base；251、252、260：Liquid acquisition component；270、275、1270、1275：First cap assembly；280：Second cap assembly； 290：Back side heat insulating member；295：Above heat insulating member；301~304：First to fourth water-circulating pipe；400：Floor；400a： Hole；1001：Hot-water storage unit；1002：Heat pump unit；1011：Hot-water storage case；1036：Mixing valve；1021：Compressor； 1022：Expansion mechanism；1023：Air heat exchanger；1031：Refrigerant piping；1031a：Go to pipe arrangement；1031b：Return is matched somebody with somebody Pipe；E：Watering；L1、L2：Refrigerant piping；P1~P4：First to fourth floor cooling and warming panel；T：Hot water supply is whole End；V1~V4：The dynamic valve of first to fourth heat.

Claims (8)

  1. A kind of 1. water heat exchanger housing unit, it is characterised in that
    The water heat exchanger housing unit possesses：
    Water heat exchanger (201,1012), combustible refrigerant flows in the water heat exchanger；
    Shell (231,1040), it accommodates the water heat exchanger (201,1012)；With
    Discharge member (230,270,275,1230,1270,1275), it is connected with connector (241,276,1232,1233), institute Connector (241,276,1232,1233) is stated to be arranged on than the refrigerant piping coupling part in the shell (231,1040) Position on the lower,
    The discharge member (230,270,275,1230,1270,1275) would leak into the shell (231,1040) can Combustion property refrigerant is discharged to outside the shell (231,1040) from the connector (241,276,1232,1233).
  2. 2. water heat exchanger housing unit according to claim 1, it is characterised in that
    The discharge member (230,270,1230,1270) would leak into the combustible refrigerant in the shell (231,1040) Discharged from the lower part of the shell (231,1040).
  3. 3. water heat exchanger housing unit according to claim 1, it is characterised in that
    The discharge member (230,275,1230,1275) would leak into the combustible refrigerant in the shell (231,1040) Discharged from the sidepiece of the shell (231,1040).
  4. 4. the water heat exchanger housing unit according to any one of claims 1 to 3, it is characterised in that
    The discharge member (230,270,1230,1270) is arranged on the lower part of the shell (231,1040).
  5. 5. water heat exchanger housing unit according to claim 4, it is characterised in that
    The discharge member (270,275,1270,1275) covers the refrigerant piping connecting portion of the shell (231,1040) outside (234、235、1073、1074)。
  6. 6. the water heat exchanger housing unit according to any one of claim 1 to 5, it is characterised in that
    Bottom angled in the shell (231,1040), so as to by liquid to being connected with the discharge member (270,275) Connector (241,276) guides.
  7. 7. the water heat exchanger housing unit according to any one of claim 1 to 6, it is characterised in that
    The water heat exchanger housing unit possesses Liquid acquisition component (251), and the Liquid acquisition component (251) is configured in In the shell (231), liquid is guided to the connector (241) for being connected with the discharge member (270,275).
  8. 8. the water heat exchanger housing unit according to any one of claim 1 to 7, it is characterised in that
    The water heat exchanger housing unit possesses control base board (220), and the control base board (220) is configured in the shell (231) the upper position of discharge member described in internal ratio (270,275).
CN201680055926.8A 2015-09-30 2016-09-14 Water heat exchanger housing unit Pending CN108027190A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015193539A JP6623649B2 (en) 2015-09-30 2015-09-30 Water heat exchanger storage unit
JP2015-193539 2015-09-30
PCT/JP2016/077171 WO2017057003A1 (en) 2015-09-30 2016-09-14 Water heat exchanger accommodation unit

Publications (1)

Publication Number Publication Date
CN108027190A true CN108027190A (en) 2018-05-11

Family

ID=58423532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680055926.8A Pending CN108027190A (en) 2015-09-30 2016-09-14 Water heat exchanger housing unit

Country Status (4)

Country Link
EP (1) EP3358279B1 (en)
JP (1) JP6623649B2 (en)
CN (1) CN108027190A (en)
WO (1) WO2017057003A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484304A (en) * 2020-12-02 2021-03-12 广州特殊拉新能源科技有限公司 Air energy water heater

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10119738B2 (en) 2014-09-26 2018-11-06 Waterfurnace International Inc. Air conditioning system with vapor injection compressor
EP3517874B1 (en) * 2018-01-29 2023-09-13 Valeo Autosystemy SP. Z.O.O. Heat exchanging module having a housing comprising an inner frame and an outer frame
US11592215B2 (en) 2018-08-29 2023-02-28 Waterfurnace International, Inc. Integrated demand water heating using a capacity modulated heat pump with desuperheater
DE102019001634A1 (en) * 2019-03-08 2020-09-10 Stiebel Eltron Gmbh & Co. Kg Heat pump
DE102019119243A1 (en) * 2019-07-16 2021-01-21 Vaillant Gmbh Safety drain of an external heat pump unit
DE102019119229A1 (en) * 2019-07-16 2021-01-21 Vaillant Gmbh Safety drain of an external heat pump unit
DE102019125102A1 (en) * 2019-09-18 2021-03-18 Vaillant Gmbh Biological degradation of alkanes
IT202000003275A1 (en) * 2020-02-18 2021-08-18 Moretti Fire S R L Air conditioning device
WO2021191959A1 (en) * 2020-03-23 2021-09-30 東芝キヤリア株式会社 Hot water generating device
DE102021210313A1 (en) * 2021-09-17 2023-03-23 Robert Bosch Gesellschaft mit beschränkter Haftung Heating device with thermal insulation as a collection container, and heating system with such a heating device
DE102021214715A1 (en) 2021-12-20 2023-06-22 Robert Bosch Gesellschaft mit beschränkter Haftung Heat pump device and collection unit for the heat pump device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003010473A1 (en) * 2001-07-26 2003-02-06 Climastar Sa Heat pump comprising a safety ventilation device
JP2003254564A (en) * 2002-03-04 2003-09-10 Mitsubishi Electric Corp Piping structure of air conditioner
JP2012159217A (en) * 2011-01-31 2012-08-23 Mitsubishi Electric Corp Heat pump type hot water supply system
JP2013029253A (en) * 2011-07-28 2013-02-07 Hoshizaki Electric Co Ltd Ice-making machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2990570B2 (en) * 1994-08-18 1999-12-13 松下電器産業株式会社 Integrated air conditioner
JP3822386B2 (en) * 1999-06-17 2006-09-20 松下電器産業株式会社 Indoor unit in air conditioner
JP2008292066A (en) * 2007-05-25 2008-12-04 Hitachi Appliances Inc Air conditioner
JP5838660B2 (en) * 2011-08-29 2016-01-06 株式会社ノーリツ Heat pump water heater
WO2013038599A1 (en) * 2011-09-14 2013-03-21 パナソニック株式会社 Air conditioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003010473A1 (en) * 2001-07-26 2003-02-06 Climastar Sa Heat pump comprising a safety ventilation device
JP2003254564A (en) * 2002-03-04 2003-09-10 Mitsubishi Electric Corp Piping structure of air conditioner
JP2012159217A (en) * 2011-01-31 2012-08-23 Mitsubishi Electric Corp Heat pump type hot water supply system
JP2013029253A (en) * 2011-07-28 2013-02-07 Hoshizaki Electric Co Ltd Ice-making machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484304A (en) * 2020-12-02 2021-03-12 广州特殊拉新能源科技有限公司 Air energy water heater

Also Published As

Publication number Publication date
JP6623649B2 (en) 2019-12-25
EP3358279B1 (en) 2020-06-24
EP3358279A4 (en) 2019-06-12
JP2017067372A (en) 2017-04-06
WO2017057003A1 (en) 2017-04-06
EP3358279A1 (en) 2018-08-08

Similar Documents

Publication Publication Date Title
CN108027190A (en) Water heat exchanger housing unit
CN108139112A (en) Water heat exchanger housing unit
CN102016450B (en) Air conditioner
CN103328909B (en) Air-conditioning device
CN105180497A (en) Air conditioning device
WO2017118213A1 (en) Modular refrigeration apparatus
CN107429957A (en) Refrigerating circulatory device and cooling cycle system
US8869549B2 (en) Heat medium relay unit and air-conditioning apparatus
CN109661546A (en) Heat pump assembly
CN101542218A (en) Refrigeration cycle device
CN104395678B (en) Air conditioning device
WO2015136891A1 (en) Heat exchanger for hot water supply and hot water supply device comprising same
CN110050162A (en) Air conditioner
KR101170012B1 (en) Heat pump style constant temperature humidifier
US7228700B2 (en) Heating/cooling system
CN104813112B (en) Air-conditioning device
JP6720492B2 (en) Water heat exchanger housing unit
JP2008145003A (en) Heat pump unit
JP5402291B2 (en) Heat pump water heater
EP3693670B1 (en) Heat pump system
CN205090611U (en) Heat pump device
JP7327630B2 (en) Heat pump device and hot water storage type water heater
JP2008145001A (en) Heat pump unit
JP4166020B2 (en) Neutralizer and air conditioner
WO2016161681A1 (en) Water supply device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180511

RJ01 Rejection of invention patent application after publication