CN201007544Y - Constant temperature hot water supply device of water heater - Google Patents
Constant temperature hot water supply device of water heater Download PDFInfo
- Publication number
- CN201007544Y CN201007544Y CNU2007201235480U CN200720123548U CN201007544Y CN 201007544 Y CN201007544 Y CN 201007544Y CN U2007201235480 U CNU2007201235480 U CN U2007201235480U CN 200720123548 U CN200720123548 U CN 200720123548U CN 201007544 Y CN201007544 Y CN 201007544Y
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Abstract
The utility model discloses a water-heater isothermal hot-water supply apparatus. The inlet and the outlet of the heat exchanger are respectively connected with a cold-water pipe and a hot-water pipe. Wherein the outlet of the hot-water pipe is provided with a hot-water connector with a thermo regulator on the side, and the cold-water pipe is communicated with the hot-water pipe via a by-pass pipe which is in turn provided with a one-way valve and a water pump. The cold-water pipe above the by-pass pipe is provided with a magnetic valve, further the inside of the hot-water pipe below the by-pass pipe is provided with a pressure switch. The pressure switch sends air pressure signals to a circuit-control board which controls the open of the magnetic valve, and the thermo regulator sends temperature signals to the circuit-control board which controls the work of the water pump and the close of the magnetic valve. The utility model can guarantee the hot water from the hot-water connector a constant temperature without causing scalds to users, which is convenient in operation and simple in control, thereby saving water source and ensuring the users' amenity. Further the utility model effectively prevents the production of furring, which ensures the effectiveness and the service life of the water heater.
Description
Technical field
The utility model belongs to technical field of water heaters, specifically, relates to a kind of water heater thermostat hot water supply device.
Background technology
General combustion gas or electric heater water tank are made of parts such as tank shell, cold water pipe, hot-water line, heat exchanger, temperature controller and circuit control panels.Wherein heat exchanger is positioned at the top of tank shell, and its import is connected with cold water pipe, and outlet is connected with hot-water line; In the exit of hot-water line the hot water joint is housed, the next door of hot water joint is provided with temperature controller, and this temperature controller is connected with circuit control panel by lead.Cold water is entered in the heat exchanger by cold water pipe, flows out by hot-water line after being heated into hot water, and temperature controller passes to circuit control panel with the temperature signal of hot water, is shown by the display screen on the outer cover of water heater.Traditional water heater has the following disadvantages:
1, cold water is to be heated to form hot water gradually, promptly will emit a part of cold water earlier and could use, and cause water resource waste easily, and comfort is poor.
2, water temperature is sometimes hot and sometimes cold, uses very inconvenience, does not note also causing easily scald slightly.
3, stop using the interior residual water that has of back water pipe and heat exchanger, easily produce incrustation scale, thereby influence the efficient of water heater.
4, residual water can cause water pipe and heat exchanger to damage at the easy freezing and expansion of north cold area.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of constant water heater thermostat hot water supply device of coolant-temperature gage that hot-water line is flowed out.
The technical solution of the utility model is as follows: a kind of water heater thermostat hot water supply device, comprise tank shell, cold water pipe, heat exchanger, hot-water line, temperature controller and circuit control panel, wherein heat exchanger is positioned at the top of tank shell, it advances, outlet is respectively with cold, hot-water line connects, in the exit of hot-water line the hot water joint is housed, the next door of hot water joint is provided with temperature controller, its key is: be communicated with by bypass pipe between described cold water pipe and the hot-water line, check valve and water pump are installed on this bypass pipe successively, on the cold water pipe above the bypass pipe, magnetic valve is housed, in the pipe of bypass pipe below hot-water line pressure switch is set; Described pressure switch passes to circuit control panel with the air pressure signal, is opened by circuit control panel control magnetic valve; Described temperature controller passes to circuit control panel with temperature signal, by circuit control panel control pump working and closed electromagnetic valve.
When the utility model uses, at first configure the hot water temperature, the tap of fetching boiling water then, air is entered in the hot-water line, pressure switch passes to circuit control panel with the air pressure signal, open by circuit control panel control magnetic valve, cold water flows to heat exchanger, flows to hot-water line after heating, when flow of hot water during through the hot water joint, if the hot water temperature is lower than design temperature, temperature controller passes to circuit control panel with temperature signal, by circuit control panel control pump working, closed electromagnetic valve simultaneously, this moment, water pump was taken out the hot water in the hot-water line to cold water pipe by bypass pipe, formed the warm water with cold water mix; After water pump quit work, pressure switch was responded to the air pressure signal again, and the control magnetic valve is opened, the warm water flows to heat exchanger, is heated into hot water once more and flows out, when flowing through the hot water joint, Jia Re hot water temperature reaches design temperature once more, then directly flows out from the hot water joint.Guaranteed that like this hot water water temperature that flows out from the hot water joint is constant, both saved water resource, ensured the comfortableness that the user uses again.Closing tap, after water temperature in the hot-water line descends, temperature controller is controlled pump working by circuit control panel, the while closed electromagnetic valve, the residual water of part, heat exchanger and hot-water line that cold water pipe is arranged in the magnetic valve top is taken out the cold water person in charge who is positioned at the part of magnetic valve below and is attached thereto to cold water pipe, effectively prevent the generation of incrustation scale, ensured the service efficiency and the life-span of heat exchanger and water pipe.
For the ease of loading and unloading, above-mentioned hot and cold water pipe constitutes by upper and lower body, wherein connect by the cold water three-way connection between the cold water pipe upper and lower body, connect by the hot water three-way connection between the hot-water line upper and lower body, and connect by bypass pipe between hot water or cold water's three-way connection.
For ease of the control of circuit control panel to each electric elements, above-mentioned pressure switch is connected with first signal input part of circuit control panel, and first signal output part of this circuit control panel joins by lead and magnetic valve; Described temperature controller is connected with the secondary signal input of circuit control panel, and the secondary signal output of circuit control panel joins by lead and water pump.
The beneficial effects of the utility model are:
1, need not flow out a part of cold water earlier and just can use, both save water resource, ensure the comfortableness that the user uses again.
2, can guarantee that the hot water water temperature that flows out from the hot water joint is constant, can not cause the user to scald, and easy to use, control is simple.
3, stop using that not have water in back water pipe and the heat exchanger residual, effectively prevented the generation of incrustation scale, ensured the efficient and the service life of water heater.
Do not damage even 4 in the cold district use water pipe and heat exchanger can not take place also, the scope of application is extensive.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, product annexation of the present utility model is: heat exchanger 3 is arranged on the top of tank shell 1, cold water pipe 2 is made up of cold water pipe upper body 2a and cold water pipe lower body 2b, the upper end of cold water pipe lower body 2b is connected with the interface of cold water three-way connection 13 bottoms, the lower end of the interface at cold water three-way connection 13 tops and cold water pipe upper body 2a joins, magnetic valve 11 is installed on the 2a of cold water pipe upper body, the part pipe shaft of cold water pipe upper body 2a is spirally wound on the outer wall of tank shell 1, and its upper end is connected with the import of heat exchanger 3.Hot-water line 4 also is made up of hot-water line upper body 4a and hot-water line lower body 4b, wherein the upper end of hot-water line upper body 4a is connected with the outlet of heat exchanger 3, the lower end of hot-water line upper body 4a is connected with the interface at hot water three-way connection 14 tops, the upper end of the interface of hot water three-way connection 14 bottoms and hot-water line lower body 4b joins, setting pressure switch 12 in the pipe of hot-water line lower body 4b, hot water joint 7 is equipped with in the exit of hot-water line lower body 4b lower end, and the next door of this hot water joint 7 is provided with temperature controller 5.Be connected by bypass pipe 8 between the interface of the interface of described cold water three-way connection 13 sides and described hot water three-way connection 14 sides, check valve 9 is installed on bypass pipe 8, on the bypass pipe 8 between this check valve 9 and the hot water three-way connection 14 water pump 10 is housed also.
From Fig. 1 also as can be known, circuit connecting relation of the present utility model is: circuit control panel 6 is installed in the outer cover of water heater, and is positioned at the next door of tank shell 1.Described pressure switch 12 is connected with first signal input part of circuit control panel 6 by lead, first signal output part of this circuit control panel 6 joins by lead and magnetic valve 11, pressure switch 12 passes to circuit control panel 6 with the air pressure signal, is opened by circuit control panel 6 control magnetic valves 11; Described temperature controller 5 is connected with the secondary signal input of circuit control panel 6, the secondary signal output of circuit control panel 6 joins by lead and water pump 10, temperature controller 5 passes to circuit control panel 6 with temperature signal, is closed by circuit control panel 6 control water pumps, 10 work and magnetic valve 11.Circuit control panel 6 can adopt general on the market water heater circuit's plate, and its structure and operation principle are not given unnecessary details at this.
The utility model is like this work: configure the tap of fetching boiling water behind the hot water temperature, air is entered the hot-water line 4 from hot water joint 7, pressure switch 12 passes to circuit control panel 6 with the air pressure signal, open by circuit control panel 6 control magnetic valves 11, cold water flows to heat exchanger 3 by cold water pipe 2, after heating, flow to hot-water line 4, when flow of hot water during through hot water joint 7, if the hot water temperature is lower than design temperature, temperature controller 5 passes to circuit control panel 6 with temperature signal, by 10 work of circuit control panel 6 control water pumps, magnetic valve 11 cuts out simultaneously, water pump 10 was taken out the hot water in the hot-water line 4 to cold water pipe lower body 2b and the cold water that is attached thereto by bypass pipe 8 and was responsible for this moment, formed the warm water with cold water mix; The timer that water pump 10 can be carried by circuit control panel 6 regularly, only work just stopped after very short several seconds, this moment, water pump 10 was found time water base in cold water pipe upper body 2a, heat exchanger 3 and the hot-water line 4, pressure switch 12 is responded to the air pressure signal again, and control magnetic valve 11 is opened, and the warm water flows to heat exchanger 3, being heated into hot water once more flows out, when flowing through hot water joint 7, Jia Re hot water temperature reaches design temperature once more, then directly flows out from hot water joint 7.If also do not reach design temperature, then according to the said process circulation, until reaching design temperature for extremely.Closing after tap stops using, water temperature in the hot-water line 4 descends, temperature controller 5 is by 10 work of circuit control panel 6 control water pumps, magnetic valve 11 cuts out simultaneously, residual water in cold water pipe upper body 2a, heat exchanger 3 and the hot-water line 4 are taken out in cold water pipe lower body 2b and the cold water that is attached thereto are responsible for, to prevent to produce incrustation scale.
Claims (3)
1. water heater thermostat hot water supply device, comprise tank shell (1), cold water pipe (2), heat exchanger (3), hot-water line (4), temperature controller (5) and circuit control panel (6), wherein heat exchanger (3) is positioned at the top of tank shell (1), it advances, outlet is respectively with cold, hot-water line (2,4) connect, in the exit of hot-water line (4) hot water joint (7) is housed, the next door of hot water joint (7) is provided with temperature controller (5), it is characterized in that: be communicated with by bypass pipe (8) between described cold water pipe (2) and the hot-water line (4), check valve (9) and water pump (10) are installed on this bypass pipe (8) successively, on the cold water pipe (2) of bypass pipe (8) top, magnetic valve (11) is housed, in the pipe of bypass pipe (8) below hot-water line (4) pressure switch (12) is set; Described pressure switch (12) passes to circuit control panel (6) with the air pressure signal, is opened by circuit control panel (6) control magnetic valve (11); Described temperature controller (5) passes to circuit control panel (6) with temperature signal, is closed by circuit control panel (6) control water pump (10) work and magnetic valve (11).
2. water heater thermostat hot water supply device according to claim 1, it is characterized in that: described hot and cold water pipe (2,4) constitutes by upper and lower body, wherein connect by cold water three-way connection (13) between the cold water pipe upper and lower body (2a, 2b), connect by hot water three-way connection (14) between the hot-water line upper and lower body (4a, 4b), and connect by bypass pipe (8) between hot water or cold water's three-way connection (13,14).
3. water heater thermostat hot water supply device according to claim 1 and 2, it is characterized in that: described pressure switch (12) is connected with first signal input part of circuit control panel (6), and first signal output part of this circuit control panel (6) joins by lead and magnetic valve (11); Described temperature controller (5) is connected with the secondary signal input of circuit control panel (6), and the secondary signal output of circuit control panel (6) joins by lead and water pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201235480U CN201007544Y (en) | 2007-02-08 | 2007-02-08 | Constant temperature hot water supply device of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201235480U CN201007544Y (en) | 2007-02-08 | 2007-02-08 | Constant temperature hot water supply device of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201007544Y true CN201007544Y (en) | 2008-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201235480U Expired - Fee Related CN201007544Y (en) | 2007-02-08 | 2007-02-08 | Constant temperature hot water supply device of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201007544Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102444983A (en) * | 2010-10-09 | 2012-05-09 | 上海岭北冷暖设备工程有限公司 | Device and method for hot water circulation based on instant water heater |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas heater control method and constant-temperature gas heater |
| CN103697593A (en) * | 2013-12-27 | 2014-04-02 | 卓朝旦 | Gas water heater heat exchange system with function of low flow protection |
| CN104776589A (en) * | 2015-04-20 | 2015-07-15 | 芜湖美的厨卫电器制造有限公司 | Water control device and gas water heater |
| TWI509205B (en) * | 2013-11-11 | 2015-11-21 | Taiwan Sakura Corp | Method for controlling water passage of water heater |
| TWI513945B (en) * | 2012-03-09 | 2015-12-21 | Taiwan Sakura Corp | Heating apparatus with water-saving recirculation |
| CN110454974A (en) * | 2019-08-26 | 2019-11-15 | 中山市嘉丽奇电器有限公司 | A kind of new structure of having circulation water heater |
| CN113855526A (en) * | 2021-09-08 | 2021-12-31 | 西北工业大学 | Medicated bath water heater |
-
2007
- 2007-02-08 CN CNU2007201235480U patent/CN201007544Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102444983A (en) * | 2010-10-09 | 2012-05-09 | 上海岭北冷暖设备工程有限公司 | Device and method for hot water circulation based on instant water heater |
| TWI513945B (en) * | 2012-03-09 | 2015-12-21 | Taiwan Sakura Corp | Heating apparatus with water-saving recirculation |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas heater control method and constant-temperature gas heater |
| CN103344046B (en) * | 2013-06-28 | 2018-07-20 | 海尔集团公司 | Constant temp gas water heater control method and constant temp gas water heater |
| TWI509205B (en) * | 2013-11-11 | 2015-11-21 | Taiwan Sakura Corp | Method for controlling water passage of water heater |
| CN103697593A (en) * | 2013-12-27 | 2014-04-02 | 卓朝旦 | Gas water heater heat exchange system with function of low flow protection |
| CN104776589A (en) * | 2015-04-20 | 2015-07-15 | 芜湖美的厨卫电器制造有限公司 | Water control device and gas water heater |
| CN104776589B (en) * | 2015-04-20 | 2017-10-27 | 芜湖美的厨卫电器制造有限公司 | Water-control device and gas heater |
| CN110454974A (en) * | 2019-08-26 | 2019-11-15 | 中山市嘉丽奇电器有限公司 | A kind of new structure of having circulation water heater |
| CN113855526A (en) * | 2021-09-08 | 2021-12-31 | 西北工业大学 | Medicated bath water heater |
| CN113855526B (en) * | 2021-09-08 | 2022-06-24 | 西北工业大学 | Medicated bath water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20100208 |