CN103542743A - Water heater heat exchange system having water quality and temperature detecting functions - Google Patents
Water heater heat exchange system having water quality and temperature detecting functions Download PDFInfo
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- CN103542743A CN103542743A CN201310521894.4A CN201310521894A CN103542743A CN 103542743 A CN103542743 A CN 103542743A CN 201310521894 A CN201310521894 A CN 201310521894A CN 103542743 A CN103542743 A CN 103542743A
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Abstract
The invention discloses a water heater heat exchange system having water quality and temperature detecting functions. The water heater heat exchange system comprises a cold water inlet pipe (5), a hot water outlet pipe (6), a waste water inlet pipe (7), a waste water outlet pipe (8), a spraying head (25), an upper heat exchange water channel (1) and a lower heat exchange water channel (2), wherein an upper heat exchange device (3) and a lower heat exchange device (4) are respectively arranged in the upper heat exchange water channel (1) and the lower heat exchange water channel (2). A heater (13) is further arranged on the hot water outlet pipe (6), and a detector (15) is arranged in the lower heat exchange water channel (2) and used for detecting water quality. The detector (15) is further connected with a controller (14). The controller (14) comprises a comparison module (143) connected with a setting module (144), the detector (15) and a waste water temperature sensor (20) respectively. The technical problem that stains easily accumulates inside the heat exchange devices and cannot be automatically cleaned is solved.
Description
Technical field
The present invention relates to technical field of heat exchange device, relate in particular to a kind of water heater heat-exchange system with water quality detection and temperature detection.
Background technology
Along with popularizing of water heater, people are when enjoying the happy and health of shower, and the waste of water resource is also day by day serious.The water of heating is directly discharged after shower, comprises a part of heat and the water resource can be recycled in the water due to shower, therefore, the direct discharge of the water after shower has not only been wasted to a large amount of water, but also has wasted the heat in hot water.In prior art, there is a kind of device for recycling heat of bath water; it can effectively collect the waste heat of shower water; but because the heat-exchange device in this water heater needs frequent heat exchange; spot in waste water is easily assembled in inside; if can not clear up in time; gently can cause heat-exchange device to stop up cannot use, heavy can damage heat-exchange device.
Summary of the invention
The technical problem that the present invention easily can not clean in the inner gathering of heat-exchange device automatically in order to solve the spot in existing waste water in prior art, and a kind of water heater heat-exchange system with decontamination function is provided.
The technical scheme that the present invention adopted is for achieving the above object: a kind of water heater heat-exchange system with water quality detection and temperature detection, described system comprises cold water inlet, hot water outlet pipe, wastewater inlet pipe, wastewater effluent pipe, shower nozzle, upper heat exchange tank and lower heat exchange tank, in described upper heat exchange tank and described lower heat exchange tank, be respectively equipped with heat-exchange device and lower heat-exchange device, in described upper heat-exchange device and lower heat-exchange device, be provided with cold water pipe and wastewater trough, described wastewater trough is centered around the periphery of described cold water pipe, thereby can carry out exchange heat between the water in described wastewater trough and the water of described cold water pipe, described cold water inlet is connected with described shower nozzle by one the 3rd switch, the cold water pipe of described upper heat-exchange device, the cold water pipe of described lower heat-exchange device, described hot water outlet pipe successively.
Described wastewater inlet pipe is successively by being connected with wastewater effluent pipe after the 5th switch, lower heat exchange tank, the wastewater trough of lower heat-exchange device, the wastewater trough of upper heat-exchange device, upper heat exchange tank, the first switch, described cold water inlet is also connected with upper heat exchange tank by after the 4th switch, described wastewater effluent pipe is also connected with described lower heat exchange tank by after second switch, and described wastewater inlet pipe is also connected with upper heat exchange tank by the 6th switch.
On described hot water outlet pipe, be also provided with a heater, in described lower heat exchange tank, be provided with a detector, described detector is for detection of water quality, exit at wastewater inlet pipe described in lower heat exchange tank is provided with wastewater temperature sensor, the temperature of the waste water that described wastewater temperature sensor flows out from the exit of described wastewater inlet pipe for sensing; The described first to the 6th switch, described detector and described wastewater temperature sensor are also connected with a controller.
Described controller comprises: setting module, and this setting module is used for setting sewage index critical field and minimum waste water can utilize temperature;
The comparison module being connected with setting module, detector and wastewater temperature sensor respectively, the sewage index critical field that this comparison module is set for the water quality data that contrasts the transmission of described detector and come and setting module, and the temperature data that comes of contrast wastewater temperature sensor transmissions and the minimum waste water of setting module setting can utilize temperature;
And the control module being connected with comparison module, this control module is for controlling the described first to the 6th switch motion according to the comparative result of comparison module.
Described upper heat exchange tank top is provided with a collector plate, described collector plate surrounding is provided with the inclination angle of outer, in described collector plate, plane is connected with described wastewater inlet pipe, on it, plane is also provided with many interlaced drainage troughs, and plane is also provided with anti-slip veins on it, the minimum point that the wastewater inlet pipe place of described collector plate upper surface is plane on it.
In described lower heat exchange tank, be also provided with a detachable filter screen.
The normal operating condition of this system is: described second switch, the 4th switch and the 6th switch are closed, described the first switch, the 3rd switch and the 5th switch open.
Described controller can be carried out strong backwashing procedures and weak backwashing procedures.
Wherein, described strong backwashing procedures is:
Step S1. detector detects water quality data in real time; The sewage index critical field that the water quality data that comparison module detects detector and setting module are set compares;
Step S2. is according to comparative result, and controller controls the first switch, the 3rd switch and the 5th switch and cuts out, and second switch, the 4th switch and the 6th switch open are carried out backwash step;
Wherein, described weak backwashing procedures is:
Step S1. utilizes the real-time sensing of wastewater temperature sensor from the temperature of the waste water of wastewater inlet pipe inflow, and the minimum waste water that the temperature data that comparison module senses wastewater temperature sensor and setting module are set can utilize temperature to compare;
Step S2. is according to comparative result, if being less than described minimum waste water, the temperature data that wastewater temperature sensor senses can utilize temperature, controller controls the first switch, the 4th switch and the 5th switch and cuts out, second switch, the 3rd switch and the 6th switch open, waste water flows through wastewater trough, filter screen, second switch and the wastewater effluent pipe of upper heat exchange tank, the wastewater trough of upper heat-exchange device, lower heat exchange tank, lower heat-exchange device, thereby utilizes waste water to carry out weak backwash.
Compared with prior art, beneficial effect of the present invention is:
1, stacked upper heat exchange tank and lower heat exchange tank, in upper heat exchange tank and lower heat exchange tank, be respectively equipped with heat-exchange device and lower heat-exchange device, spot in waste water and particle are because the effect of gravity is gathered under lower floor in heat exchange tank and lower heat-exchange device, can make backwash convenient, efficient;
2, by detector, detect water quality, controller is controlled the first to the 6th switch motion, realizes automatically strong pre-washing function, and dirty removal capacities is strong, has effectively solved the problem that in heat-exchange device, spot can not be cleared up in time.
3. the temperature of the waste water flowing into from wastewater inlet pipe by wastewater temperature sensor sensing, and when the temperature of waste water can be utilized temperature lower than minimum waste water, by controller, control the first to the 6th switch motion, realize automatically weak pre-washing function, make full use of waste water, effectively saved water resource.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water heater heat-exchange system described in embodiments of the invention;
Fig. 2 is the structural representation of the upper heat-exchange device described in embodiments of the invention;
Fig. 3 is the structural representation of the lower heat-exchange device described in embodiments of the invention;
Fig. 4 is the structural representation of the collector plate described in embodiments of the invention.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention are made to more explicit defining.
A kind of water heater heat-exchange system with water quality detection and temperature detection, described system comprises cold water inlet 5, hot water outlet pipe 6, wastewater inlet pipe 7, wastewater effluent pipe 8, shower nozzle 25, upper heat exchange tank 1 and lower heat exchange tank 2, in described upper heat exchange tank 1 and described lower heat exchange tank 2, be respectively equipped with heat-exchange device 3 and lower heat-exchange device 4, in described upper heat-exchange device 3 and lower heat-exchange device 4, be provided with cold water pipe and wastewater trough, described wastewater trough is centered around the periphery of described cold water pipe, thereby can carry out exchange heat between the water in described wastewater trough and the water of described cold water pipe, described cold water inlet 5 is connected with described shower nozzle 25 by one the 3rd switch 11, the cold water pipe of described upper heat-exchange device 3, the cold water pipe of described lower heat-exchange device 4, described hot water outlet pipe 6 successively.
Described wastewater inlet pipe 7 is successively by being connected with wastewater effluent pipe 8 after the 5th switch 23, lower heat exchange tank 2, the wastewater trough of lower heat-exchange device 4, the wastewater trough of upper heat-exchange device 3, upper heat exchange tank 1, the first switch 9, described cold water inlet 5 is also connected with upper heat exchange tank 1 by after the 4th switch 12, described wastewater effluent pipe 8 is also connected with described lower heat exchange tank 2 by after second switch 10, and described wastewater inlet pipe 7 is also connected with upper heat exchange tank 1 by the 6th switch 22.
Waste water can first pass through lower heat exchange tank 2 and the lower heat-exchange device 4 of lower floor; again by heat-exchange device on upper strata 4 and upper heat exchange tank 1; spot in waste water and particle be because the effect of gravity only can be gathered under lower floor in heat exchange tank 2 and lower heat-exchange device 4, only has spot and the particle seldom can be by other pipelines or the equipment that upwards pollute upper strata under the drive of current.When backwash, a large amount of spots and the particle that are gathered in lower floor are nearer apart from wastewater effluent pipe 8, and backwash is convenient, efficient.
On described hot water outlet pipe 6, be also provided with a heater 13, in described lower heat exchange tank 2, be provided with a detector 15, described detector 15 is for detection of water quality, exit at wastewater inlet pipe 7 described in lower heat exchange tank 2 is provided with wastewater temperature sensor 20, the temperature of the waste water that described wastewater temperature sensor 20 flows out from the exit of described wastewater inlet pipe 7 for sensing; The described first to the 6th switch 9～12,22,23, described detector 15 and described wastewater temperature sensor 20 are also connected with a controller 14.
Described controller 14 comprises: setting module 144, and this setting module 144 is for setting sewage index critical field and minimum waste water can utilize temperature;
The comparison module 143 being connected with setting module 144, detector 15 and wastewater temperature sensor 20 respectively, the sewage index critical field that this comparison module 143 is set for the water quality data that contrasts 15 transmission of described detector and come and setting module 144, and the temperature data that comes of contrast wastewater temperature sensor 20 transmission and the minimum waste water of setting module 144 settings can utilize temperature;
And the control module 142 being connected with comparison module 143, this control module 142 is for controlling the described first to the 6th switch 9～12,22,23 actions according to the comparative result of comparison module 143.
Described upper heat exchange tank 1 top is provided with a collector plate 16, described collector plate 16 surroundings are provided with the inclination angle of outer, in described collector plate 16, plane is connected with described wastewater inlet pipe 7, on it, plane is also provided with many interlaced drainage troughs 161, and plane is also provided with anti-slip veins 162 on it, the minimum point that wastewater inlet pipe 7 places of described collector plate 16 upper surfaces are plane on it.
In described lower heat exchange tank 2, be also provided with a detachable filter screen 17.
Upper heat-exchange device 3 is identical with lower heat-exchange device 4 structures, include wastewater trough 31, in wastewater trough 31, be provided with many interlaced deflectors 32, also comprise the cold water pipe 33 in the wastewater trough 31 being arranged between deflector 32, cold water pipe 33 is provided with a plurality of heat absorbing fins 34, cold water inlet 5 is successively by one the 3rd switch 11, cold water pipe 33 in upper heat-exchange device 3, cold water pipe 33 in lower heat-exchange device 4, hot water outlet pipe 6 is connected with described shower nozzle 25, wastewater inlet pipe 7 is successively by lower heat exchange tank 2, wastewater trough 31 in lower heat-exchange device 4, wastewater trough 31 in upper heat-exchange device 3, upper heat exchange tank 1, after the first switch 9, be connected with wastewater effluent pipe 8.Spent hot water in cold water in cold water pipe 33 and wastewater trough 31 carries out heat exchange in upper heat-exchange device 3 and lower heat-exchange device 4.
The normal operating condition of this system is: described second switch 10, the 4th switch 12 and the 6th switch 22 are closed, and described the first switch 9, the 3rd switch 11 and the 5th switch 23 are opened;
Described controller 14 can be carried out strong backwashing procedures and weak backwashing procedures,
Wherein, described strong backwashing procedures is:
Step S1. detector 15 detects water quality data in real time; The sewage index critical field that the water quality data that comparison module 143 detects detector 15 and setting module 144 are set compares;
Step S2. is according to comparative result, controller 14 controls the first switch 9, the 3rd switch 11 and the 5th switch 23 and cuts out, second switch 10, the 4th switch 12 and the 6th switch 22 are opened, cold water flows through wastewater trough, filter screen 17, second switch 10 and the wastewater effluent pipe 8 of upper heat exchange tank 1, the wastewater trough of upper heat-exchange device 3, lower heat exchange tank 2, lower heat-exchange device 4, thereby utilize cold water to carry out strong backwash, part waste water carries out backwash through identical path simultaneously.
Wherein, described weak backwashing procedures is:
Step S1. utilizes the real-time sensing of wastewater temperature sensor 20 from the temperature of the waste water of wastewater inlet pipe 7 inflows, and the minimum waste water that the temperature data that comparison module 143 senses wastewater temperature sensor 20 and setting module 144 are set can utilize temperature to compare;
Step S2. is according to comparative result, if being less than described minimum waste water, the temperature data that wastewater temperature sensor 20 senses can utilize temperature, controller controls the first switch 9, the 4th switch 12 and the 5th switch 23 and cuts out, second switch 10, the 3rd switch 11 and the 6th switch 22 are opened, waste water flows through wastewater trough, filter screen 17, second switch 10 and the wastewater effluent pipe 8 of upper heat exchange tank 1, the wastewater trough of upper heat-exchange device 3, lower heat exchange tank 2, lower heat-exchange device 4, thereby utilizes waste water to carry out weak backwash.Due to the unlatching of the 3rd switch 11, in the process of rinsing, do not affect the utilization of cold water a little less than utilizing waste water to carry out simultaneously.
Above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (1)
1. the water heater heat-exchange system with water quality detection and temperature detection, described system comprises cold water inlet (5), hot water outlet pipe (6), wastewater inlet pipe (7), wastewater effluent pipe (8), shower nozzle (25), upper heat exchange tank (1) and lower heat exchange tank (2), in described upper heat exchange tank (1) and described lower heat exchange tank (2), be respectively equipped with heat-exchange device (3) and lower heat-exchange device (4), in described upper heat-exchange device (3) and lower heat-exchange device (4), be provided with cold water pipe and wastewater trough, described wastewater trough is centered around the periphery of described cold water pipe, thereby can carry out exchange heat between the water in described wastewater trough and the water of described cold water pipe, described cold water inlet (5) is connected with described shower nozzle (25) by one the 3rd switch (11), the cold water pipe of described upper heat-exchange device (3), the cold water pipe of described lower heat-exchange device (4), described hot water outlet pipe (6) successively,
Described wastewater inlet pipe (7) is successively by the 5th switch (23), lower heat exchange tank (2), the wastewater trough of lower heat-exchange device (4), the wastewater trough of upper heat-exchange device (3), upper heat exchange tank (1), after the first switch (9), be connected with wastewater effluent pipe (8), described cold water inlet (5) is also connected with upper heat exchange tank (1) by after the 4th switch (12), described wastewater effluent pipe (8) is also connected with described lower heat exchange tank (2) by after second switch (10), described wastewater inlet pipe (7) is also connected with upper heat exchange tank (1) by the 6th switch (22),
On described hot water outlet pipe (6), be also provided with a heater (13), in described lower heat exchange tank (2), be provided with a detector (15), described detector (15) is for detection of water quality, exit at wastewater inlet pipe (7) described in lower heat exchange tank (2) is provided with wastewater temperature sensor (20), the temperature of the waste water that described wastewater temperature sensor (20) flows out from the exit of described wastewater inlet pipe (7) for sensing; The described first to the 6th switch (9～12,22,23), described detector (15) and described wastewater temperature sensor (20) are also connected with a controller (14);
Described controller (14) comprising: setting module (144), and this setting module (144) is for setting sewage index critical field and minimum waste water can utilize temperature;
The comparison module (143) being connected with setting module (144), detector (15) and wastewater temperature sensor (20) respectively, the sewage index critical field that this comparison module (143) is set for the water quality data that contrasts described detector (15) transmission and come and setting module (144), and the temperature data that comes of contrast wastewater temperature sensor (20) transmission and the minimum waste water of setting module (144) setting can utilize temperature;
And the control module (142) being connected with comparison module (143), this control module (142) is for controlling the described first to the 6th switch (9～12,22,23) action according to the comparative result of comparison module (143);
Described upper heat exchange tank (1) top is provided with a collector plate (16), described collector plate (16) surrounding is provided with the inclination angle of outer, the upper plane of described collector plate (16) is connected with described wastewater inlet pipe (7), on it, plane is also provided with many interlaced drainage troughs (161), and plane is also provided with anti-slip veins (162) on it, the wastewater inlet pipe (7) of described collector plate (16) upper surface is located the minimum point into plane on it;
In described lower heat exchange tank (2), be also provided with a detachable filter screen (17);
The normal operating condition of this system is: described second switch (10), the 4th switch (12) and the 6th switch (22) are closed, and described the first switch (9), the 3rd switch (11) and the 5th switch (23) are opened;
Described controller (14) can be carried out strong backwashing procedures and weak backwashing procedures,
Wherein, described strong backwashing procedures is:
Step S1. detector (15) detects water quality data in real time; The sewage index critical field that the water quality data that comparison module (143) detects detector (15) and setting module (144) are set compares;
Step S2. is according to comparative result, and controller (14) controls the first switch (9), the 3rd switch (11) and the 5th switch (23) and cuts out, and second switch (10), the 4th switch (12) and the 6th switch (22) are opened, and carries out backwash step;
Wherein, described weak backwashing procedures is:
Step S1. utilizes the temperature of wastewater temperature sensor (20) waste water that sensing flows into from wastewater inlet pipe (7) in real time, and the minimum waste water that the temperature data that comparison module (143) senses wastewater temperature sensor (20) and setting module (144) are set can utilize temperature to compare;
Step S2. is according to comparative result, if being less than described minimum waste water, the temperature data that wastewater temperature sensor (20) senses can utilize temperature, controller is controlled the first switch (9), the 4th switch (12) and the 5th switch (23) are closed, second switch (10), the 3rd switch (11) and the 6th switch (22) are opened, waste water is through upper heat exchange tank (1), the wastewater trough of upper heat-exchange device (3), lower heat exchange tank (2), the wastewater trough of lower heat-exchange device (4), filter screen (17), second switch (10) and wastewater effluent pipe (8) flow, thereby utilize waste water to carry out weak backwash.
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| CN201310521894.4A CN103542743B (en) | 2013-10-30 | 2013-10-30 | A kind of water heater heat exchange system with water quality detection and temperature detection |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5301745A (en) * | 1991-08-14 | 1994-04-12 | Klaus Seib | Installation for heat recovery |
| CN1548853A (en) * | 2003-05-08 | 2004-11-24 | 广州市汇力热能设备有限公司 | Method for utilizing fully waste water residual-heat and system thereof |
| CN101086389A (en) * | 2006-06-08 | 2007-12-12 | 范绍魁 | Shower waste water residual heat circulated usage device |
| CN101749861A (en) * | 2010-01-10 | 2010-06-23 | 李裕生 | Heat pump water heater capable of recovering heat energy of waste water |
| CN202792524U (en) * | 2012-09-20 | 2013-03-13 | 隋轶聪 | Heat pump type water heater for recycling residual heat of wastewater |
-
2013
- 2013-10-30 CN CN201310521894.4A patent/CN103542743B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5301745A (en) * | 1991-08-14 | 1994-04-12 | Klaus Seib | Installation for heat recovery |
| CN1548853A (en) * | 2003-05-08 | 2004-11-24 | 广州市汇力热能设备有限公司 | Method for utilizing fully waste water residual-heat and system thereof |
| CN101086389A (en) * | 2006-06-08 | 2007-12-12 | 范绍魁 | Shower waste water residual heat circulated usage device |
| CN101749861A (en) * | 2010-01-10 | 2010-06-23 | 李裕生 | Heat pump water heater capable of recovering heat energy of waste water |
| CN202792524U (en) * | 2012-09-20 | 2013-03-13 | 隋轶聪 | Heat pump type water heater for recycling residual heat of wastewater |
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Inventor after: Jiang Wuheng Inventor before: Wang Guangen |
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Effective date of registration: 20151028 Address after: 510550, Guangdong Province, Baiyun District, Guangzhou province bell Tan Village, from nine road, No. 1038 Applicant after: GUANGZHOU VOCATIONAL COLLEGE OF SCIENCE AND TECHNOLOGY Address before: 322003 Jinhua County, Zhejiang City, Yiwu Province on the shore of red town 15 groups Applicant before: Wang Guangen |
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