CN206548334U - Rapid-result formula constant-temperature constant-current campus warm and hot drinking device - Google Patents

Rapid-result formula constant-temperature constant-current campus warm and hot drinking device Download PDF

Info

Publication number
CN206548334U
CN206548334U CN201621401634.9U CN201621401634U CN206548334U CN 206548334 U CN206548334 U CN 206548334U CN 201621401634 U CN201621401634 U CN 201621401634U CN 206548334 U CN206548334 U CN 206548334U
Authority
CN
China
Prior art keywords
water
component
preheating
warm
heat exchange
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.)
Active
Application number
CN201621401634.9U
Other languages
Chinese (zh)
Inventor
刘建
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.)
Guangdong Century Fengyuan Drinking Water Equipment Manufacturing Co Ltd
Original Assignee
Guangdong Century Fengyuan Drinking Water Equipment Manufacturing Co 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 Guangdong Century Fengyuan Drinking Water Equipment Manufacturing Co Ltd filed Critical Guangdong Century Fengyuan Drinking Water Equipment Manufacturing Co Ltd
Priority to CN201621401634.9U priority Critical patent/CN206548334U/en
Application granted granted Critical
Publication of CN206548334U publication Critical patent/CN206548334U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model is related to a kind of rapid-result formula constant-temperature constant-current campus warm and hot drinking device, it includes preheating water tank's component provided with entery and delivery port, speed heat component to boil water and provided with mutual heat exchange first, second heat exchange water channel heat exchanger, first heat exchange water channel is provided with low temperature water inlet and the first heat exchange outlet, and the second heat exchange water channel is provided with high temperature water inlet and the second heat exchange outlet;Low temperature water inlet is connected by the first entering water electromagnetic valve with main water inlet tube, and the first one branch road of heat exchange outlet is connected by the second entering water electromagnetic valve with preheating water tank's component, and another branch road is connected with the water inlet of speed heat component to boil water;The branch road of delivery port one of speed heat component to boil water is connected with boiling water magnetic valve, and another branch road is connected with high temperature water inlet, and the second heat exchange outlet is connected with preheating water tank's component;Speed heat component to boil water, heat exchanger and turning on the tap is respectively positioned under the highest water storage position of preheating water tank's component.The utility model has quick heating, leaving water temperature, stability of flow, the advantages of controlling simple.

Description

Rapid-result formula constant-temperature constant-current campus warm and hot drinking device
Technical field
The utility model is related to a kind of drinking equipment, particularly a kind of rapid-result formula constant-temperature constant-current campus warm and hot drinking device; Certainly, except in addition to, it is also applied to the public arenas such as hospital, government in campus.
Background technology
Existing warm drinking equipment is all made up of a larger heating water bladder and heat exchanger and connecting line, first Cold water enter water courage in it is boiled after enter back into exchanger cool after by tap water pressure extrude tap use, for the first time plus Heat needs to wait longer time, and heating liner cost is higher, and service life can be influenceed by HTHP, water discharge of water faucet speed meeting Influenceed to cause water unstable by tap water pressure, water outlet is smaller multiple taps are opened simultaneously when, warm water leaving water temperature meeting Influenceed by running water inflow temperature, warm water temperature drift during summer, can repeat to reheat after the water cooling of storage in water courage.
Utility model content
The purpose of this utility model is to provide a kind of simple and reasonable for structure, quick heating, stable in outlet water temperature, goes out current Amount is stable, the simple rapid-result formula constant-temperature constant-current campus warm and hot drinking device of control, to overcome the deficiencies in the prior art.
What the purpose of this utility model was realized in:
A kind of rapid-result formula constant-temperature constant-current campus warm and hot drinking device, including preheating water tank's component, speed heat component to boil water and heat Exchanger, speed heat component to boil water be provided with water inlet and delivery port, heat exchanger provided with mutual heat exchange first heat exchange water channel and Second heat exchange water channel, the first heat exchange water channel is provided with high-temperature water provided with low temperature water inlet and the first heat exchange outlet, the second heat exchange water channel Entrance and the second heat exchange outlet;It is characterized in that:The low temperature water inlet is connected by the first entering water electromagnetic valve with main water inlet tube, First heat exchange outlet is provided with two branch roads, wherein a branch road is connected by the second entering water electromagnetic valve with preheating water tank's component, it is another Branch road is connected with the water inlet of speed heat component to boil water;The delivery port of the speed heat component to boil water is provided with two branch roads, wherein one Road is connected by boiling water magnetic valve with turning on the tap, and another branch road is connected with high temperature water inlet, the second heat exchange outlet and preheating water Box assembly is connected;The speed heat component to boil water, heat exchanger and turning on the tap is respectively positioned on the highest water storage position of preheating water tank's component Under.Set by such water route, in the case of without water pump is needed, by opening boiling water magnetic valve, the water of preheating water tank It can first flow through after easy heating to boil water through warm fixed discharge of turning on the tap, be additionally, since in preheating water tank under gravity Water stops heating when reaching certain certain temperature, so the water of preheating water tank can be with constant temperature, certainly, due to water boiling vessels middling speed Heater power invariability, so after being combined with preheating water tank, constant-temperature constant-current water outlet can be realized.
The purpose of this utility model can also be solved using following technical measures:
As more specifically a kind of scheme, preheating water tank's component is opened including preheating water tank, preheating apparatus, low water level Close and high water level switch, preheating apparatus, low-water level switch and high water level switch are successively set on preheating water tank from bottom to up, Preheating water tank passes through water flow switch and the second heat exchange outlet of filling pipe and heat exchanger;Provided with pre- in the preheating water tank HTS.Why low-water level switch needs to be higher than preheating apparatus, it is intended that when water level is opened less than low water level Guan Shi, that is, be possible to water level also below preheating apparatus, so, in order to avoid above-mentioned preheating apparatus dry combustion method, in pre-add hot charging Put top and low-water level switch is set.
As more specifically a kind of scheme, hydrogen-rich component is provided with the preheating water tank.Hydrogen-rich component can cause preheating Water in water tank keeps fresh sterile.
As further scheme, second entering water electromagnetic valve passes through speed heat component service valve and the bottom of preheating water tank Connection.When needing preheating water tank's component at speed heat component rear dismantling maintenance, by the way that speed heat component service valve is closed, i.e., The preheating water tank at its rear can be taken away and be changed or repaired.
As further scheme, the speed heat component to boil water includes water boiling vessels, fast heater and leaving water temperature and passed Sensor, water boiling vessels are in the long tubular being vertically arranged, and fast heater is vertically arranged on water boiling vessels inner bottom part, and water inlet is set Put in water boiling vessels bottom, delivery port is arranged on water boiling vessels top and above fast heater, leaving water temperature sensors It is positioned close at the position of delivery port.The water that the structure can pass through water boiling vessels can be along the length side of fast heater To flowing, the effect of heat exchange is improved.
As further scheme, exhaust outlet is additionally provided with the top of water boiling vessels, exhaust outlet passes through blast pipe and preheating water tank Connection, the position that blast pipe is connected with preheating water tank is switched higher than high water level, it is to avoid the water in preheating water tank enters through blast pipe Into exhaust passage.
As further scheme, relief valve is additionally provided between the exhaust outlet and blast pipe, is pressed inside water boiling vessels When power is excessive, relief valve can just be opened, and steam is discharged into preheating water tank, it is to avoid water boiling vessels are turned on preheating water tank for a long time, And cause heat losses serious.
As further scheme, the heat exchanger includes outer tube and inner tube, and inner tube is arranged in outer tube, inner tube with it is outer Gap constitutes the first heat exchange water channel between pipe, and interior tube cavity constitutes the second heat exchange water channel.It is nested by outer tube, inner tube Mode exchange heat, heat exchanger effectiveness can be improved.
As further scheme, pressure maintaining valve is additionally provided with the main water inlet tube so that enter the water of the first heat exchange water channel Flow constant airspeed, it is ensured that itself and the second heat exchange for exchanging heat water channel are in a controllable knowable state, it is to avoid because current are non-constant And cause the water for entering preheating water tank after heat exchange sometimes cold and sometimes hot.
The rapid-result formula constant-temperature constant-current campus with warm and hot drinking device also include warm water component, warm water component include warm water tube and More than one warm water magnetic valve, warm water magnetic valve is connected by warm water tube, warm water component service valve with preheating water tank bottom.Close Close after warm water component service valve, you can implementation, which is safeguarded to warm water component, dismantled etc., to be operated, and warm water magnetic valve can be provided with Warm water tap is connected on two or more, each warm water magnetic valve, because the water of each warm water tap is from preheating water tank It is interior to lean on what difference in height and pressure difference flowed out, therefore the flow of each tap is constant, while opening one or more flows all It is the same, the not genial uneven water flow distribution phenomenon of water outlet is not had and is produced.
The beneficial effects of the utility model are as follows:
The preheating water tank of such rapid-result formula constant-temperature constant-current campus warm and hot drinking device and the one high and one low setting of water boiling vessels, and And, the outlet height of water solenoid valve is less than at the peak level of preheating water tank, i.e. outlet and the peak level shape of preheating water tank Into drop, realize that constant flow velocity is fetched water toward dirty mode using water;Because preheating water tank's component and speed heat component to boil water are equal By temperature sensor detection temperature and according to its corresponding heater of temperature conditions start and stop, so that it is guaranteed that water temperature it is constant In certain limit;Further, due to setting up heat exchanger, when moisturizing is to preheating water tank, the hot water of cold water and speed heat component to boil water is passed through Heat exchanger is entered back into preheating water tank after being exchanged heat so that preheating water tank can quickly rise when first water inlet Temperature is to certain temperature(Warm water), it is to avoid normal-temperature water is directly heated to by warm water state by preheating water tank, and when spending longer Between, reach rapid-result heating, the purpose of constant-temperature constant-current water outlet.
Brief description of the drawings
Fig. 1 is the example structure schematic diagram of the utility model one.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
It is shown in Figure 1, a kind of rapid-result formula constant-temperature constant-current campus warm and hot drinking device, including preheating water tank's component, speed heat Component and heat exchanger 11 to boil water, speed heat component to boil water are provided with water inlet 27 and delivery port 26, and heat exchanger 11 is provided with mutual warm First heat exchange water channel of exchange and the second heat exchange water channel, the first heat exchange water channel is provided with the heat exchange of low temperature water inlet 32 and first outlet 33, the second heat exchange water channel is provided with the heat exchange of high temperature water inlet 34 and second outlet 35.The low temperature water inlet 32 passes through the first water inlet Magnetic valve 10 is connected with main water inlet tube 31, and the first heat exchange outlet 33 is provided with two branch roads, wherein a branch road enters water power by second Magnet valve 21 is connected with preheating water tank's component, and another branch road is connected by secondary water inlet pipe 30 with the water inlet 27 of speed heat component to boil water; The delivery port 26 of the speed heat component to boil water is connected with boiled water pipe 29, and boiled water pipe 29 is provided with two branch roads, wherein a branch road passes through Boiling water magnetic valve 20 19 is connected with turning on the tap, and another branch road is connected with high temperature water inlet 34, the second heat exchange outlet 35 and preheating Cistern assembly is connected;The speed heat component to boil water, heat exchanger 11 and 19 highests for being respectively positioned on preheating water tank's component of turning on the tap Under water storage position.
Preheating water tank's component includes preheating water tank 1, preheating apparatus 4, low-water level switch 3 and high water level switch 2, in advance Heater 4, low-water level switch 3 and high water level switch 2 are successively set on preheating water tank 1 from bottom to up, and preheating water tank 1 passes through Water flow switch 8 and filling pipe 36 are connected with the second heat exchange outlet 35 of heat exchanger 11;Provided with preheating temperature in the preheating water tank 1 Spend sensor 5.It is highest water storage position at the high water level switch 2.
Hydrogen-rich component 6 is provided with the preheating water tank 1(Hydrogen rich water rod).
Second entering water electromagnetic valve 21 is connected by speed heat component service valve 7 with the bottom of preheating water tank 1.
The speed heat component to boil water includes water boiling vessels 25, fast heater 24 and leaving water temperature sensors 23, to boil water to hold Device 25 is in the long tubular being vertically arranged, and fast heater 24 is vertically arranged on the inner bottom part of water boiling vessels 25, and water inlet 27 is set In the bottom of water boiling vessels 25, delivery port 26 is arranged on the top of water boiling vessels 25 and positioned at the fast top of heater 24, leaving water temperature Sensor 23 is positioned close at the position of delivery port 26.
The top of water boiling vessels 25 is additionally provided with exhaust outlet 22, and exhaust outlet 22 is connected by blast pipe 14 with preheating water tank 1, exhaust The position that pipe 14 is connected with preheating water tank 1 is higher than high water level switch 2.
Relief valve 18 is additionally provided between the exhaust outlet 22 and blast pipe 14.
The heat exchanger 11 includes outer tube 13 and inner tube 12, and inner tube 12 is arranged in outer tube 13, inner tube 12 and outer tube 13 Between gap constitute it is described first heat exchange water channel, the inner chamber of inner tube 12 constitute it is described second heat exchange water channel.
Pressure maintaining valve 9 is additionally provided with the main water inlet tube 31.
Also include warm water component, warm water component includes warm water tube 28 and more than one warm water magnetic valve 15(The present embodiment In be provided with three), warm water magnetic valve 15 connected by warm water tube 28, warm water component service valve 17 with the bottom of preheating water tank 1.
The top of preheating water tank 1 is additionally provided with gap 16, and the height of gap 16 is higher than blast pipe 14 and preheating water tank 1 The height of connectivity part.When high water level switchs hypertonia in 2 failures or preheating water tank 1, it can pass through the draining of gap 16 Or pressure release.Certainly, check valve can be set on gap 16, it is to avoid extraneous air is entered in preheating water tank 1.
Above-mentioned electric elements are electrically connected with control system, not shown in control system figure;In addition, various magnetic valves, Water level switch, temperature sensor etc. can be substituted by other electric elements, if its effect is identical with this case, it should also belong to In falling within the protection domain of this case.
The water (flow) direction of above-mentioned first heat exchange water channel and the second heat exchange water channel is on the contrary, its heat transfer effect is more preferable.
A kind of heating means of rapid-result formula constant-temperature constant-current campus warm and hot drinking device, first water flowing is powered in use, starting Speed heat pattern:First entering water electromagnetic valve 10 is opened, and the second entering water electromagnetic valve 21 is closed, and the water of main water inlet tube 31 is successively through heat exchange First heat exchange water channel of device 11, the second heat exchange water channel of water boiling vessels 25 and heat exchanger 11 enter preheating water tank 1.
When water flow switch 8 has detected water-flow signal, start fast 24 pairs of water for flowing through water boiling vessels 25 of heater and enter Row heating, when high water level switch 2 detects water level signal, fast heater 24 is stopped, the first entering water electromagnetic valve 10 It is stopped, preheating water tank's component enters constant temperature mode;Constant temperature mode:The water temperature of preheating water tank 1 is not less than a certain temperature value, weak When the water temperature of preheating water tank 1 is less than a certain temperature value, starts preheating apparatus 4 and water is heated, until being heated to a certain temperature Stop during angle value, so circulation.
Under constant temperature mode, when needing to take warm water, startup takes warm water pattern:Corresponding warm water magnetic valve 15 dozens Open, the water of preheating water tank 1 is released automatically under gravity, put during warm water when the high water level switch 2 in preheating water tank 1 Start speed heat pattern when detecting water level reduction toward moisturizing in preheating water tank 1, until high water level switch 2 detects water level signal Speed per hour heat pattern stops, so circulation.
Under constant temperature mode, when needing to take boiling water, startup takes away aqueous mode:First entering water electromagnetic valve 10 is closed, and second Entering water electromagnetic valve 21 is opened, and the water in preheating water tank 1 enters water boiling vessels 25 under gravity, and fast heater 24 starts will Water in water boiling vessels 25 is boiled to required temperature, is opened boiling water magnetic valve 20 and is discharged water;Take away aqueous mode and speed heat pattern Work independently.
It is provided with preheating water tank 1 under hydrogen-rich component 6, constant temperature mode, start by set date hydrogen-rich component 6.Preheating water tank's water temperature is set Constant temperature degree is 45 to 55 degrees Celsius, preferably 50 degrees Celsius, is proved through scientific experiment, and water temperature is maintained at 50 degree or so and is difficult cooling.
Under constant temperature mode, the water temperature setting of preheating water tank 1 is adjustable, and the setting of the water temperature of water boiling vessels 25 is adjustable(It is to boil water to hold The temperature of device is detected that the excess steam produced in heating process is discharged to pre- by the relief valve at top by leaving water temperature sensors In boiler so that this partial heat has obtained good recovery).
Under constant temperature mode, when without using boiling water, the fast discontinuous of heater 24 starts, and keeps water temperature in water boiling vessels 25 Within the specific limits, it is ensured that quickly can be boiled the water in water boiling vessels when taking away water.

Claims (10)

1. a kind of rapid-result formula constant-temperature constant-current campus warm and hot drinking device, including preheating water tank's component, speed heat component to boil water and Re Jiao Parallel operation(11), speed heat component to boil water is provided with water inlet(27)And delivery port(26), heat exchanger(11)Provided with mutual heat exchange First heat exchange water channel and the second heat exchange water channel, the first heat exchange water channel are provided with low temperature water inlet(32)With the first heat exchange outlet(33), Second heat exchange water channel is provided with high temperature water inlet(34)With the second heat exchange outlet(35);
It is characterized in that:The low temperature water inlet(32)Pass through the first entering water electromagnetic valve(10)With main water inlet tube(31)Connection, the One heat exchange outlet(33)Provided with two branch roads, wherein a branch road passes through the second entering water electromagnetic valve(21)Connect with preheating water tank's component It is logical, the water inlet of another branch road and speed heat component to boil water(27)Connection;
The delivery port of the speed heat component to boil water(26)Provided with two branch roads, wherein a branch road passes through boiling water magnetic valve(20)With opening Tap(19)Connection, another branch road and high temperature water inlet(34)Connection, the second heat exchange outlet(35)Connect with preheating water tank's component It is logical;
The speed heat component to boil water, heat exchanger(11)With turn on the tap(19)It is respectively positioned on the highest water storage position of preheating water tank's component Under.
2. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 1, it is characterised in that:The preheating water tank Component includes preheating water tank(1), preheating apparatus(4), low-water level switch(3)With high water level switch(2), preheating apparatus(4)、 Low-water level switch(3)With high water level switch(2)Preheating water tank is successively set on from bottom to up(1)On, preheating water tank(1)Pass through water Stream switch(8)And filling pipe(36)With heat exchanger(11)Second heat exchange outlet(35)Connection;The preheating water tank(1)Inside set There is preheating temperature sensor(5).
3. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 2, it is characterised in that:The preheating water tank (1)It is interior to be provided with hydrogen-rich component(6).
4. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 2, it is characterised in that:Second water inlet Magnetic valve(21)Pass through speed heat component service valve(7)With preheating water tank(1)Bottom connection.
5. the rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to Claims 2 or 3 or 4, it is characterised in that:The speed Heat component to boil water includes water boiling vessels(25), fast heater(24)And leaving water temperature sensors(23), water boiling vessels(25)It is in The long tubular being vertically arranged, fast heater(24)It is vertically arranged in water boiling vessels(25)On inner bottom part, water inlet(27)Set In water boiling vessels(25)Bottom, delivery port(26)It is arranged on water boiling vessels(25)Top is simultaneously located at fast heater(24)Top, Leaving water temperature sensors(23)It is positioned close to delivery port(26)Position at.
6. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 5, it is characterised in that:The water boiling vessels (25)Top is additionally provided with exhaust outlet(22), exhaust outlet(22)Pass through blast pipe(14)With preheating water tank(1)Connection, blast pipe(14) With preheating water tank(1)The position of connection is switched higher than high water level(2).
7. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 6, it is characterised in that:The exhaust outlet (22)With blast pipe(14)Between be additionally provided with relief valve(18).
8. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 1, it is characterised in that:The heat exchanger (11)Including outer tube(13)And inner tube(12), inner tube(12)It is arranged on outer tube(13)It is interior, inner tube(12)With outer tube(13)Between between Gap constitutes the first heat exchange water channel, inner tube(12)Inner chamber constitutes the second heat exchange water channel.
9. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 1, it is characterised in that:The main water inlet tube (31)On be additionally provided with pressure maintaining valve(9).
10. rapid-result formula constant-temperature constant-current campus warm and hot drinking device according to claim 2, it is characterised in that:Also include warm water Component, warm water component includes warm water tube(28)With more than one warm water magnetic valve(15), warm water magnetic valve(15)Pass through warm water Pipe(28), warm water component service valve(17)With preheating water tank(1)Bottom is connected.
CN201621401634.9U 2016-12-20 2016-12-20 Rapid-result formula constant-temperature constant-current campus warm and hot drinking device Active CN206548334U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621401634.9U CN206548334U (en) 2016-12-20 2016-12-20 Rapid-result formula constant-temperature constant-current campus warm and hot drinking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621401634.9U CN206548334U (en) 2016-12-20 2016-12-20 Rapid-result formula constant-temperature constant-current campus warm and hot drinking device

Publications (1)

Publication Number Publication Date
CN206548334U true CN206548334U (en) 2017-10-13

Family

ID=60358646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621401634.9U Active CN206548334U (en) 2016-12-20 2016-12-20 Rapid-result formula constant-temperature constant-current campus warm and hot drinking device

Country Status (1)

Country Link
CN (1) CN206548334U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106510465A (en) * 2016-12-20 2017-03-22 广东世纪丰源饮水设备制造有限公司 Instant constant-temperature constant-current warm and hot water dispenser for school and heating method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106510465A (en) * 2016-12-20 2017-03-22 广东世纪丰源饮水设备制造有限公司 Instant constant-temperature constant-current warm and hot water dispenser for school and heating method thereof
CN106510465B (en) * 2016-12-20 2022-07-08 广东世纪丰源饮水设备制造有限公司 Quick-forming constant-temperature constant-current warm water dispenser for campus and heating method thereof
CN115067744A (en) * 2016-12-20 2022-09-20 广东世纪丰源饮水设备制造有限公司 Quick constant temperature and constant flow warm water dispenser for campus

Similar Documents

Publication Publication Date Title
CN106510465A (en) Instant constant-temperature constant-current warm and hot water dispenser for school and heating method thereof
CN205352721U (en) Heat pump set comprehensive properties testing system
CN202792524U (en) Heat pump type water heater for recycling residual heat of wastewater
CN204574237U (en) A kind of system of publilc baths waste water reuse
CN102692080A (en) New type solar water heater with electric heating function and electric heating control method
CN208983657U (en) Heat pump system
CN201672678U (en) High-efficiency thermal insulation water tank of intelligent temperature-control built-in heat exchanger
CN206234896U (en) A kind of solar energy, burnt gas wall hanging furnace and floor heating set heating system
CN206548334U (en) Rapid-result formula constant-temperature constant-current campus warm and hot drinking device
CN207893830U (en) A kind of solar energy and burnt gas wall hanging furnace combine hot-water central heating system
CN106827459A (en) A kind of EVA adhesive film production line barrel Temperature Intelligent Control System and its control method
CN206398741U (en) A kind of high-efficiency gas water heater
CN106052088B (en) External circulation preheating and constant temperature electric water heater of heater
CN104913490A (en) Water-storage and instant heating two-purpose electric water heater device
CN204853921U (en) Instant heating type dual -purpose electric water heater device of water storage
CN205481280U (en) Automatic control non -pressure formula electricity adds hot -water circulation heating ware
CN208443046U (en) Efficient air source water heater
CN203489495U (en) Solar energy and ground source heat pump combined hot water supplying system
CN106288074B (en) A kind of water source heat pump air-conditioner recycling-guard device
CN206398983U (en) A kind of publilc baths efficient water-heating device
CN205137939U (en) Water heater water flow control device
CN205373150U (en) Utilize heat source of underground mine to prepare hydrothermal heat pump system of bathing
CN206191730U (en) Solar energy and gas hanging stove set heating system
CN208090944U (en) A kind of electric heater for automatically turning on and closing based on difference variation
CN208520044U (en) A kind of energy-saving type air energy heat exchanger

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant