CN201184680Y - Gas water heater - Google Patents
Gas water heater Download PDFInfo
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- CN201184680Y CN201184680Y CNU2008200038333U CN200820003833U CN201184680Y CN 201184680 Y CN201184680 Y CN 201184680Y CN U2008200038333 U CNU2008200038333 U CN U2008200038333U CN 200820003833 U CN200820003833 U CN 200820003833U CN 201184680 Y CN201184680 Y CN 201184680Y
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 219
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 38
- 238000000034 method Methods 0.000 description 12
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a gas water heater. Comprising: a combustion heating unit for heating; a water storage unit for storing water to be heated or heated; the pipeline unit comprises a connecting pipeline, a water inlet pipeline and a water outlet pipeline, wherein two end parts of the connecting pipeline are positioned in the water storage unit, the middle part of the connecting pipeline penetrates through the combustion heating unit, a water pump is arranged on the upstream side of the connecting pipeline close to the combustion heating unit, the water inlet pipeline is respectively connected with the upstream side and the downstream side of the water pump on the connecting pipeline through a two-position three-way valve, and the water outlet pipeline is connected with the downstream side of the combustion heating unit on the connecting pipeline; and the control unit is connected with the combustion heating unit, the pipeline unit and the water storage unit. Meanwhile, the instant heating function is realized, and the water in the water storage unit is circularly heated through the water pump. The water replenishing into the water storage unit and the cold water supply during instant heating are realized by the two-position three-way valve when the hot water is directly taken from the water storage unit.
Description
Technical field
The utility model relates to a kind of gas heater.
Background technology
In the existing gas heater,, comprise combustion heater, storage water heater electric heater and the pipeline that connects two heaters as disclosing a kind of gas heater in the Chinese CN200620058136.9 patent documentation.In this gas heater, link to each other with the water inlet of combustion heater from the feed pipe of outside feeding cold water, the outlet pipe of combustion heater links to each other with the water inlet pipe of storage water heater electric heater and the outlet pipe of gas heater simultaneously, and the outlet pipe of storage water heater electric heater links to each other with the outlet pipe of gas heater.Adopt gas heater, when the hot water water consumption more after a little while, can start combustion heater water inlet is heated, when the hot water water consumption is big, just adopt water storage thermoelectricity water heater to heat, reach the purpose of bimodulus thus.But such structure need be provided with electric heating body in the water tank that water storage is used, and can cause complex structure thus, control is complicated, electrical power is less than normal, there is personal safety hidden danger in the electric leakage problem.In addition,, the combustion gas heating unit is started repeatedly, can influence the life-span of burning heating part like this if repeatedly use hot water on a small quantity.
The utility model content
The utility model is made in view of above-mentioned deficiency, purpose be to provide a kind of water cell, and gas heater that can heat the water in the water cell by the combustion gas heating unit of having.
To achieve these goals, the utility model provides a kind of gas heater, has: the burning heating unit that heats; Store the water cell of to be heated or the water that heated; Pipe-line cell, comprise connecting line, inlet pipeline and outlet pipeline, wherein, the two-end part of connecting line is in water cell, the burning heating unit is run through at the middle part, upstream side by the burning heating unit on the connecting line is provided with water pump, and inlet pipeline links to each other with the downstream with the upstream side of connecting line charging pump respectively via two position three-way valve, and the downstream of the burning heating unit on outlet pipeline and the connecting line links to each other; The control module that is connected with water cell with burning heating unit, pipe-line cell.
Adopt such structure, not only realized the instant heating heating function, also be provided with water pump, realized being stored in the heating that circulates of water in the water cell by connecting line.By inlet pipeline is linked to each other with the downstream with the upstream side of connecting line charging pump simultaneously, not only can realize directly the moisturizing in water cell when water cell is taken hot water, can also realize the Cold water supply when instant heating heats.
On the basis of technique scheme, described outlet pipeline is linked to each other with connecting pipeline via two position three-way valve.By two position three-way valve is set, when instant heating heats, hot water can not supplied in the water cell.
On the basis of technique scheme, described two position three-way valve adopts two-position three way motor-driven valve or two-position three way magnetic valve.Adopt two-position three way motor-driven valve or two-position three way magnetic valve to be convenient to control.
On the basis of technique scheme, described pipe-line cell also comprises the external heat water circulation pipe that links to each other with water cell.Adopt the external heat water circulation pipe, realized opening water valve and can obtain hot water, saved water resource.
On the basis of technique scheme, described burning heating unit is provided with the leeway sensor to the leeway monitoring of air inlet and exhaust.By the leeway sensor is set, increased burning heating unit security performance.
On the basis of technique scheme, also be provided with safety valve on the described water cell.By safety valve is set, guaranteed that water cell is operated in the safe pressure scope.
On the basis of technique scheme, described outlet pipeline is provided with hydraulic pressure sensor and/or temperature sensor.Be used for low hydraulic pressure protection by hydraulic pressure sensor is set, temperature sensor realization temperature be set monitor in real time, thereby realize to the hydraulic pressure of outlet pipeline and the monitoring of temperature, so that water heater working is under safe condition automatically.
On the basis of technique scheme, also be provided with temperature sensor on the described water cell.By temperature sensor is set, realized automatically the temperature of water cell is monitored.
On the basis of technique scheme, the position highest point on the described connecting line is provided with automatic exhaust steam valve.By automatic exhaust steam valve, get rid of the pipeline element memory air, prevent to form vapour lock in the pipe-line cell, guaranteed the safety of pipe-line cell.
On the basis of technique scheme, also be provided with the limiting temperature sensor on the described connecting line.By the limiting temperature sensor, guarantee water temperature in the connecting line temperature that can not overstep the extreme limit, guaranteed the safety of connecting line.
Description of drawings
Fig. 1 is the fundamental diagram of gas heater of the present utility model.
Fig. 2 is the key diagram of burning heating unit.
Fig. 3 is the key diagram of water cell.
Fig. 4 is the key diagram of pipe-line cell.
The specific embodiment
Below, with reference to description of drawings embodiment of the present utility model.
The gas heater that the utility model provides is a kind of bimodulus gas heater, and so-called " bimodulus " is meant two kinds of mode of operations of water heater.A kind of is quick formula gas water heater working pattern, and another kind is the volumetric gas water heater mode of operation.Certainly, water heater of the present utility model also can use under the assembled state of above-mentioned two kinds of mode of operations.
As shown in Figure 1, this gas heater comprises: the burning heating unit that the water that enters gas heater is heated, store the water cell of to be heated or the water that heated, the pipe-line cell that comprises the connecting line, inlet pipeline and the outlet pipeline that are used to connect burning heating unit and water cell, and the control module that links to each other and control with water cell with the burning heating unit.
Below, describe the burning heating unit in detail with reference to Fig. 2.As shown in Figure 2, the burning heating unit adopts enclosed construction, and the bottom is provided with gas ratio valve 21, is used to adjust the gas quantity that infeeds from the outside, one end of this gas ratio valve links to each other with fuel gas source G, and the burner 20 of side links to each other the other end with being assigned to thereon via pipeline.That burner 20 adopts is harmonica-type burning combination fire row, and power is bigger, and the thermal efficiency can reach 86%～91%.In addition, burner 20 is provided with igniting/detecting electrode 12, and after the start signal that receives from control module described later, igniting/detecting electrode 12 discharges, and lights the combustion gas that supplies to burner 20.Above burner 20, be provided with heat exchanger 13, when burner 20 work, heat by the flow through water of heat exchanger 13 of 13 pairs of this heat exchangers.
Above heat exchanger 20, be provided with the air supply pipe road of forming by smoke evacuation tracheae 16 and incoming air conduit 15.Wherein, smoke evacuation tracheae 16 is positioned among the incoming air conduit 15, and the two together stretches out from the burning heating unit, up to outdoor.End (be positioned at burning heating unit) at close the burner 20 of smoke evacuation tracheae 16 is provided with blower fan 17, is used for outwards forcing air draft from the heating unit that burns, with the effect of realization forced exhaust.In addition, on this burning heating unit, also be provided with leeway sensor 18.The two ends of this leeway sensor 18 are positioned at smoke evacuation tracheae 16.When incoming air conduit 15 or 16 appearance obstructions of smoke evacuation tracheae or external wind pressure increase, 18 actions of leeway sensor, the notice control module is controlled by control module, closes gas ratio valve 21, to prevent accident.After fault is got rid of, the burning heating unit can be worked.
In addition, the gas ratio valve 21 in the above-mentioned burning heating unit, igniting/detecting electrode 12, blower fan 17, leeway sensor 18 all link to each other with control module described later.By control module they are controlled.
Below, with reference to Fig. 3 water cell is described.As shown in Figure 3, water cell mainly is made of water tank 3, is used to store water to be heated or that heated.A sidewall of this water tank 3 is provided with safety valve 4 and sewage draining exit 1.Water tank 3 is with burning heating unit split or be wholely set.The top of water tank 3 is equipped with the temperature control mechanism that mainly is made of thermometer 25 and temperature sensor 26.Rise in water tank 3 temperature, can make the storage of water volumetric expansion in it, when the pressure in the water tank 3 surpassed the setting pressure of safety valve 4, safety valve 4 was opened automatically and is carried out pressure release.Temperature sensor 26 also is connected with control module, is used to monitor the temperature of water in the water tank 3.Sewage draining exit 1 is used to discharge the dirt in the water tank 3.
Below, with reference to Fig. 1, Fig. 4 pipe-line cell is described.Pipe-line cell comprises connecting line R1, inlet pipeline R2, outlet pipeline R3 and the outer loop outlet pipe 29 that connects burning heating unit and water cell.
As Fig. 1, shown in Figure 4, the two ends of connecting line R1 are circulating outlets 27 and loop back the mouth of a river 2.As can be seen from Figure 1, this circulating outlet 27 and loop back the inside that the mouth of a river 2 all is positioned at water tank 3, and circulating outlet 27 is positioned at the first half of water tank 3, loops back the latter half that the mouth of a river 2 is positioned at water tank 3.Preferred cycle delivery port 27 loops back the lower case inner surface of the mouth of a river 2 near water tank 3 near the upper body inner surface of water tank 3.The middle part of connecting line R1 is positioned at heat exchanger 13, is used for carrying out heat exchange with heat exchanger 13, and its inner water heats to flowing through.
Because when work, water flows to circulating outlet 27 from looping back the mouth of a river 2, therefore, below connecting line R1 upward is called upstream side near looping back the mouth of a river 2 one sides, will be called the downstream near circulating outlet 27 1 sides.
On this connecting line R1, be provided with automatic exhaust steam valve 14 at the upstream side of heat exchanger 13.The peak of this automatic exhaust steam valve operated by rotary motion on whole connecting line R1 is used for discharging automatically the air in water tank 3 and the path, prevents the air-resistance phenomenon of water circulating pump 10.Be provided with limiting temperature sensor 19 in the downstream of heat exchanger 13, this limit temperature sensor 19 generally is located at connecting line R1 near on the part of heat exchanger 13.This limiting temperature sensor 19 links to each other with control module, when the water temperature of the water of the connecting line R1 that flows through reaches setting value, the control module action, automatic self-closing gas proportioning valve 21, make it to produce non-volatile locking, and only fixing a breakdown and, just can make gas ratio valve 21 recover operate as normal by after manually making it to reset.
Be provided with two-position three way motor-driven valve 24 in the downstream of limiting temperature sensor 19.Port 24b, the 24c of two-position three way motor-driven valve 24 links to each other with connecting line R1, and port 24a links to each other with outlet pipeline R3.In addition, are circulating outlets 27 in the downstream of this two-position three way motor-driven valve 24.Because the two-position three way motor-driven valve has known structure, its concrete structure explanation of Therefore, omited.Upstream side at automatic exhaust steam valve 14 is provided with water circulating pump 10, is used to make the water that is stored in the water tank 3 to flow in connecting line R1, thereby can circulate heating to the water in the water tank 3.The flow direction of water in connecting path R1 can flow to circulating outlet 27 from looping back the mouth of a river 2 under the drive of water circulating pump 10 as shown in the figure.
In addition, as shown in Figure 4, two port 9b, 9c of two-position three way motor-driven valve 9 link to each other with the upstream and downstream side of connecting line R1 cocycle water pump 10 respectively, thereby connecting line R1 is linked to each other with inlet pipeline R2.This inlet pipeline R2 comprises a two-position three way motor-driven valve 9 and a cold water inlet.As mentioned above, port 9b, the 9c of two-position three way motor-driven valve 9 links to each other with water circulating pump 10 delivery ports, water inlet respectively, and port 9a links to each other with cold water inlet, here, this port as cold water inlet C, is used for supplying water to whole gas heater.In addition, limiting temperature sensor 19, water circulating pump 10, two-position three way motor-driven valve 24 and two-position three way motor-driven valve 9 all link to each other with control module.
Next, outlet pipeline R3 is elaborated.As shown in Figure 4, the port (upstream port) of this outlet pipeline R3 links to each other with the port 24a that connecting line R1 goes up two-position three way motor-driven valve 24.As shown in Figure 4, because in outlet pipeline R3, water flows into this outlet pipeline R3 from two-position three way motor-driven valve 24, therefore, the end that links to each other with two-position three way motor-driven valve 24 is the end, upstream of outlet pipeline R3.If in Fig. 4, to the mode in downstream outlet pipeline R3 is described,, is provided with a hot water outlet pipe 28 and links to each other with water tank 3 then in the downstream, end that links to each other with two-position three way motor-driven valve 24 to swim side from it.Hot water outlet pipe 28 lower end is positioned among the water tank 3.Be provided with hydraulic pressure sensor 23 in hot water outlet pipe 28 downstream, the hydraulic pressure in the monitoring outlet pipeline R3 is used for the hydraulic pressure in the monitored pipeline, prevents from not have in pipeline when hydraulic pressure is less than normal in water or the pipeline igniting overheated and damage equipment etc. of heating unit that cause burning.Be provided with water pressure gauge 22 in the downstream of hydraulic pressure sensor 23, be used for outwards demonstrating the pressure in the water lines R3.Be provided with water flow sensing unit 5 in the downstream of water pressure gauge 22, be used to detect the water flow of flowing through in the outlet pipeline R3, and should detect data and be sent to control module described later, regulate the heating power of the heating unit that burns by control module according to flow.Be provided with temperature sensor 7 in the downstream of water flow sensing unit 5, be used to measure the temperature of the water in the pipeline, and this measured value is sent to control module, by control module according to the combustion intensity in this temperature value control burning heating unit.Be provided with hot water valve 8 in the downstream of temperature sensor 7.In the downstream of hot water valve 8 are hot water outlet H.
As shown in Figure 4, outside above-mentioned three pipeline R1, R2, R3, on water tank 3, also be provided with outer loop outlet pipe 29, be used for directly outwards supplying with hot water from water tank 3.Outer loop outlet pipe 29 is provided with outer loop water valve 6, and externally the downstream of circulating-water valve 6 is outer loop hot water outlet S.For the structure of this outer loop outlet pipe 29, can adopt to drive hot water by water circulating pump and in a closed circulation pipeline, circulate and realize opening the structure that valve can obtain hot water or other similar structure.
Constitute the pipe-line cell of present embodiment by connecting line R1, inlet pipeline R2, outlet pipeline R3 and outer loop outlet pipe 29.
As shown in Figure 1, control module mainly is made of parts such as CPU.As mentioned above, it is connected with blower fan 17, leeway sensor 18, igniting/detecting electrode 12, gas ratio valve 21, temperature sensor 26, limiting temperature sensor 19, water circulating pump 10, two-position three way motor-driven valve 24, two-position three way motor-driven valve 9, hydraulic pressure sensor 23, water flow sensing unit 5 and temperature sensor 7, adopt a treating apparatus CPU to handle various information, and respectively these parts are controlled from above-mentioned each parts.Like this, can reduce the quantity that is provided with of parts.
Below, the operation principle of the bimodulus gas heater of present embodiment is illustrated.
Default mode when this bimodulus gas heater opening initialization is quick formula, and when selecting mode of operation, may be selected to be quick formula or positive displacement.To be illustrated every kind of pattern respectively below.
(formula fast)
When from open state or when the positive displacement state switches to quick formula, two-position three way motor-driven valve 9,24 switches automatically, two-position three way motor-driven valve 9 close port 9c, water can directly be entered from port 9a, flow out from port 9b, two-position three way motor-driven valve 24 cuts out its port 24c, and water can be flowed into from port 24b, flows out from port 24a.When hot water valve 8 is opened, current can enter from the running water C that enters the mouth, enter and flow out from the port 9a of two-position three way motor-driven valve 9 then from port 9b, flow through behind the heat exchanger 13, enter from the port 24b of two-position three way motor-driven valve 24, flow out from the port 24a of two-position three way motor-driven valve 24, meanwhile, because water flow sensing unit 5 has detected current and has flow through, CPU11 will detect leeway sensor 18 automatically, limiting temperature sensor 19, whether temperature sensor 7 is in normal condition, if not normal condition then outwards reports an error, when normal condition, then start blower fan 17, make 12 discharges of igniting/detecting electrode, gas ratio valve 21 is opened, carry out ignition procedure, make burner 20 work, heat the current of flowing through by heat exchanger 13, in addition, by the actual temperature of CPU11 detected temperatures sensor 7, and this detected temperatures and design temperature compared, then the output by PID ratio regulation technology control combustion gas ratio 21 valves, leaving water temperature and design temperature reach consistent after, keep poised state outwards to supply water.At this moment, if close hot water valve 8, the water that water flow sensing unit 5 can detect in the pipeline is no longer mobile, and then CPU11 closes above-mentioned each parts, finishes quick formula heating.
(positive displacement)
When gas heater is switched to positive displacement, two-position three way motor-driven valve 9,24 is changed under the control of CPU, two-position three way motor-driven valve 9 close port 9b, water flows into via port 9a, flow out from port 9c, two-position three way motor-driven valve 24 closes the 24a that remains silent, and water flows into from the port 24b of two-position three way motor-driven valve 24, flows out from port 24c.At this moment, because the relation of water circulating pump 10, water can be injected in the water tank 3, in the injecting process, can emit air in the water tank 3 by safety valve 4, also can discharge air by automatic exhaust steam valve 14.At this moment, the other parts of gas heater are not worked.In water tank 3 by after being filled with, CPU11 monitoring leeway sensor 18, limiting temperature sensor 19, temperature sensor 7, hydraulic pressure sensor 23, whether watch the data that these sensors obtain normal.If Installed System Memory when abnormal state of affairs, outwards reports an error.All are normal if system detects, and then start blower fan 17, make 12 discharges of igniting/detecting electrode, and gas ratio valve 21 is opened, and carries out ignition procedure.By water circulating pump 10, in water tank 3, upwards draw water then, water is flowed according to the direction of arrow in Fig. 4 connecting line R1, utilize the burning heating unit that the water of this extraction is heated simultaneously.In addition, CPU11 is monitoring temperature sensor 26 always, watches actual temperature and whether reaches design temperature, when actual temperature is lower than design temperature, makes water circulating pump 10 continuous firings, continues the water in the water tank 3 is heated.Simultaneously, whether CPU11 to keep monitoring the data of leeway sensor 18, limiting temperature sensor 19, temperature sensor 7, hydraulic pressure sensor 23 normal.When the water in water tank 3 still was the state of water at low temperature, water can continue to be extracted out from looping back the mouth of a river 2, after becoming high-temperature water after heat exchanger 13 heating, flows back to water tank 3 from circulating outlet 27, promptly carries out positive displacement burning heating schedule.When the actual temperature of CPU11 in temperature sensor 26 detects water tank 3 reaches design temperature, close gas ratio valve 21, water circulating pump 10, finish the positive displacement heating schedule.At this moment, if open hot water valve 8, water enters from cold water inlet C, port 9a through two-position three way motor-driven valve 9 flows into, flow out from the port 9c of two-position three way motor-driven valve 9, flow directly into water tank 3, the high-temperature water in the water tank 3 can flow into outlet pipeline R3 by hot water outlet pipe 28 simultaneously, flows out from hot water outlet H.Along with high-temperature water continuously outflows, the continuous benefit of water is gone into, and can make the temperature of water in the water tank 3 be lower than design temperature, at this moment, re-executes above-mentioned positive displacement burning heating schedule, the water in the cylinder 3.
In addition, the bimodulus gas heater of present embodiment also has safeguard protection.That is, in normal work period, automatic exhaust steam valve 14 can be discharged the air in water cell and the pipe-line cell automatically, prevents the air-resistance phenomenon of water circulating pump 10.In addition, because the rising of water tank 3 temperature causes the volumetric expansion of storage of water in it, cause interior reservoir water pot 3 pressure to increase, if this pressure exceeds setting pressure, then safety valve 4 is with releasing pressure automatically.In addition, when CPU11 detects when unusual by temperature sensor 7 or temperature sensor 26, perhaps, when CPU11 detects in the connecting line R1 temperature and surpasses setting value by limiting temperature sensor 19, can also produce non-volatile locking by automatic self-closing gas proportioning valve 21.In addition, when CPU11 detected air hose 15 or 16 appearance obstructions of smoke evacuation tracheae or external wind pressure increase by leeway sensor 18, CPU11 also can automatic self-closing gas proportioning valve 21.
In addition, this bimodulus gas heater also has some other miscellaneous function, for example, externally circulating hot water goes out pipe 29 and is provided with hot water circulation loop, that is, externally be provided with on the recycling outlet 29 and make device or the heater that continues periodical feeding in the pipeline, make that the water that flows out from the outer loop delivery port is hot water always, thereby the hot water of realizing whole rooms such as hotel is promptly opened instant-heating and outlet hot, the water resource waste when reducing pipeline discharging cold water; In addition, also can be provided with time switching device, carry out the timing open and close machine work of this water heater of carrying out of a week 7 days random time sections, with satisfying personalized needs.In addition, can also in water tank 3, increase electrical heating mechanism, in the time of can not working in the fuel gas buring unit, come water in the cylinder 3, this water heater is used as electric heater with electricity consumption.In addition, also hot water circulation loop can be set on the outlet pipeline.
In addition, the bimodulus gas heater that the utility model is mentioned both can be wall-hanging also can be console mode, and, preferably use console mode.So just can not consider the weight capacity of body of wall, can do water tank 3 very big, for example greatly to 250L, and, the simple installation of console mode.
In addition, the performance state of present embodiment is that the burning heating unit is in the top of water cell, but is not limited to this, can horizontal positioned or connect the hot water supply that a plurality of water cell realize 500L-1000L.
In addition, control module has used the CPU of centralized control in the present embodiment, but is not limited to this, also can be the independent control of other modes, and utilizes bus that each control module is coupled together to work in coordination with and control.
In addition, in the above-mentioned embodiment, use the two-position three way motor-driven valve to control the flow direction of water in water pipe, but be not limited to this, also can use two-position three way magnetic valve to realize controlling the function that water flows in water pipe.
Claims (10)
1. a gas heater is characterized in that having: the burning heating unit that heats; Store the water cell (3) of to be heated or the water that heated; Pipe-line cell, comprise connecting line (R1), inlet pipeline (R2), outlet pipeline (R3), wherein, the two-end part of connecting line (R1) is in water cell, the burning heating unit is run through at the middle part, the upstream side that connecting line (R1) is gone up by the burning heating unit is provided with water pump (10), inlet pipeline (R2) links to each other with the downstream with the upstream side of connecting line (R1) charging pump (10) respectively via two position three-way valve (9), and the downstream of the burning heating unit on outlet pipeline (R3) and the connecting line (R1) links to each other; The control module that is connected with water cell with burning heating unit, pipe-line cell.
2. gas heater as claimed in claim 1 is characterized in that, described outlet pipeline (R3) links to each other with connecting pipeline (R1) via two position three-way valve (24).
3. gas heater as claimed in claim 1 or 2 is characterized in that, described two position three-way valve (9,24) is two-position three way motor-driven valve or two-position three way magnetic valve.
4. gas heater as claimed in claim 1 or 2 is characterized in that, described pipe-line cell also comprises the external heat water circulation pipe (29) that links to each other with water cell (3).
5. gas heater as claimed in claim 1 or 2 is characterized in that, described burning heating unit is provided with the leeway sensor (18) that the leeway of air inlet and exhaust is monitored.
6. gas heater as claimed in claim 1 or 2 is characterized in that, also is provided with safety valve (4) on the described water cell (3).
7. gas heater as claimed in claim 1 or 2 is characterized in that, described outlet pipeline (R3) is provided with hydraulic pressure sensor (24) and/or temperature sensor (7).
8. gas heater as claimed in claim 1 or 2 is characterized in that, also is provided with temperature sensor (26) on the described water cell (3)
9. gas heater as claimed in claim 1 or 2 is characterized in that, the position highest point on the described connecting line (R1) is provided with automatic exhaust steam valve (14).
10. gas heater as claimed in claim 1 or 2 is characterized in that, also is provided with limiting temperature sensor (19) on the described connecting line (R1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200038333U CN201184680Y (en) | 2008-02-28 | 2008-02-28 | Gas water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200038333U CN201184680Y (en) | 2008-02-28 | 2008-02-28 | Gas water heater |
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| CN201184680Y true CN201184680Y (en) | 2009-01-21 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102042670A (en) * | 2011-01-17 | 2011-05-04 | 成都前锋电子有限责任公司 | Household intelligent central hot-water system |
| CN102048475A (en) * | 2009-10-30 | 2011-05-11 | 李英华 | Three-way shower nozzle and equipment for realizing water conservation by circulating heat insulation method |
| CN102121755A (en) * | 2011-03-01 | 2011-07-13 | 无锡和晶信息技术有限公司 | Heating control method for constant temperature gas water heater |
| CN104990260A (en) * | 2015-07-22 | 2015-10-21 | 合肥美的暖通设备有限公司 | Water inlet system of air energy water heater and air energy water heater with water inlet system |
| CN105066451A (en) * | 2015-07-15 | 2015-11-18 | 芜湖美的厨卫电器制造有限公司 | Gas water heater, outlet water temperature control method of gas water heater and water heating system |
| CN105115163A (en) * | 2015-08-22 | 2015-12-02 | 佛山市顺德区奇林电气有限公司 | Combustion heating control system of energy-saving and environment-friendly heating hot water heater |
| CN107238207A (en) * | 2016-03-28 | 2017-10-10 | 青岛经济技术开发区海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN111426055A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN112902432A (en) * | 2021-01-27 | 2021-06-04 | 宁波方太厨具有限公司 | Gas water heater, air pressure detection method and fan control method |
| CN115493184A (en) * | 2022-09-20 | 2022-12-20 | 东莞市艾瑞科热能设备有限公司 | Domestic hot water storage device |
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2008
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| CN102121755A (en) * | 2011-03-01 | 2011-07-13 | 无锡和晶信息技术有限公司 | Heating control method for constant temperature gas water heater |
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| CN104990260A (en) * | 2015-07-22 | 2015-10-21 | 合肥美的暖通设备有限公司 | Water inlet system of air energy water heater and air energy water heater with water inlet system |
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| CN105115163A (en) * | 2015-08-22 | 2015-12-02 | 佛山市顺德区奇林电气有限公司 | Combustion heating control system of energy-saving and environment-friendly heating hot water heater |
| CN107238207A (en) * | 2016-03-28 | 2017-10-10 | 青岛经济技术开发区海尔热水器有限公司 | Control method of gas water heater and gas water heater |
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| CN111426055A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
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