CN104864265A - Double-pipe hot water constant temperature and constant pressure supply control system in public bathroom - Google Patents
Double-pipe hot water constant temperature and constant pressure supply control system in public bathroom Download PDFInfo
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- CN104864265A CN104864265A CN201510221738.5A CN201510221738A CN104864265A CN 104864265 A CN104864265 A CN 104864265A CN 201510221738 A CN201510221738 A CN 201510221738A CN 104864265 A CN104864265 A CN 104864265A
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Abstract
A double-pipe hot water constant temperature and constant pressure supply control system in a public bathroom comprises more than a shower, wherein an inlet of the shower is connected to an outlet of a constant temperature water mixture valve; cool water and hot water inlets of the constant temperature water mixture valve are respectively connected to outputs of a cool water pipe network control subsystem and a hot water pipe network control subsystem; the flow and the pressure of the cool water and the hot water are controlled by a PLC; the mixing ratio of the cool water and the hot water is controlled by the temperature value set by a person who is taking a shower, so the water outlet temperature of the shower is maintained constantly; and the double-pipe hot water constant temperature and constant pressure supply control system in the public bathroom has the characteristics of water saving and energy saving, convenient use, comfort and safety.
Description
Technical field
The present invention relates to a kind of water management system, particularly relate to a kind of bathhouse two-tube hot water constant temperature constant voltage supply control system.
Background technique
In traditional bathhouse double tube for applying water system, bath person needs the hot and cold water valve of manually opened shower, makes the hot and cold water of outflow regulate water temperature afterwards with proper proportion mixing.This water system, can waste certain water yield when using initial adjustment temperature, if hot water temperature is too high simultaneously, easily occurs components vaporize when water outlet, makes hot and cold water be difficult to mixing at water distribution point, affects the normal use of shower.Bathhouse is configured with a fairly large number of shower, in use mutually disturbs between adjacent shower, and distribution system of water supply dynamic pressure fluctuation is comparatively large, and shower water water temperature can be caused unstable.Because bathhouse uses, its water use peak phase and the staggered appearance of low peak period, distribution system of water supply water pressure fluctuations also can be caused comparatively large, and the problems referred to above directly affects stability and the water saving ability of system water supply, reduce its Security used and travelling comfort.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of bathhouse two-tube hot water constant temperature constant voltage supply control system, there is the advantages such as easy to use, comfortable, safe.
In order to achieve the above object, the technological scheme that the present invention takes is:
A kind of bathhouse two-tube hot water constant temperature constant voltage supply control system, comprise more than one shower 8, the entrance of shower 8 is connected with the outlet of constant-temperature water mixing valve 7, cold water, the hot water inlet of constant-temperature water mixing valve 7 are connected with the output of cold water pipe network control subsystem, hot water pipe net control subsystem respectively, and flow, the pressure of cold water and hot water are controlled by PLC 9.
Described cold water pipe network control subsystem comprises the first cold water pipe 1, the entrance of the first cold water pipe 1 is connected with cold water water inlet manifold, the outlet of the first cold water pipe 1 is connected by the entrance of flow control valve 2 with the second cold water pipe 3, first water supply pump 4 of the outlet parallel connection of the second cold water pipe 3, the entrance of the second water supply pump 5 connects, first water supply pump 4, the outlet of the second water supply pump 5 is connected with the cold water inlet of constant-temperature water mixing valve 7 by the 3rd cold water pipe 6, the signal output part of flow transducer 10 that second cold water pipe 3 connects is connected with first signal input part of PLC 9, the signal output part of the first pressure transducer 11 that 3rd cold water pipe 6 connects is connected with the secondary signal input end of PLC 9, first signal output part of PLC 9 is connected with the control end of flow control valve 2, the secondary signal output terminal of PLC 9 is connected with the control end of the first water supply pump 4 by the first frequency variator 13, 3rd signal output part of PLC 9 is connected with the control end of the second water supply pump 5 by the first frequency variator 12,
Described hot water pipe net control subsystem comprises the first hot-water line 14, the entrance of the first hot-water line 14 is connected with the output tube of water-heating boiler, the outlet of the first hot-water line 14 is connected by the entrance of the first hot water pump 15 with the second hot-water line 16, the outlet of the second hot-water line 16 is connected with the entrance of hot water tank 17, first outlet of hot water tank 17 is connected by the entrance of the 3rd hot-water line 18 with the second hot water pump 20, second outlet of hot water tank 17 is connected by the entrance of the 4th hot-water line 19 with the 3rd hot water pump 21, the outlet of the second hot water pump 20 is connected with the hot water inlet of constant-temperature water mixing valve 7 by the 5th hot-water line 22 with after the outlet of the 3rd hot water pump 21 again, the signal output part of liquid level sensor 23 that hot water tank 17 is arranged is connected with the 3rd signal input part of PLC 9, the signal output part of the second pressure transducer 24 that 5th hot-water line 22 connects is connected with the 4th signal input part of PLC 9,4th signal output part of PLC 9 is connected with the control end of the first hot water pump 15,5th signal output part of PLC 9 is connected with the control end of the second hot water pump 20 by the 3rd frequency variator 25,6th signal output part of PLC 9 is connected with the control end of the 3rd hot water pump 21 by the 4th frequency variator 26.
The invention has the beneficial effects as follows: the mixed proportion that can control hot water or cold water according to the temperature value of shower person's setting, makes the water-exit temperature of shower remain constant.Meanwhile, the advantages such as this control system also has saves water and energy, easy to use, comfortable, safe.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in drawings, a kind of bathhouse two-tube hot water constant temperature constant voltage supply control system, comprise more than one shower 8, the entrance of shower 8 is connected with the outlet of constant-temperature water mixing valve 7, cold water, the hot water inlet of constant-temperature water mixing valve 7 are connected with the output of cold water pipe network control subsystem, hot water pipe net control subsystem respectively, and flow, the pressure of cold water and hot water are controlled by PLC 9.
Described cold water pipe network control subsystem comprises the first cold water pipe 1, the entrance of the first cold water pipe 1 is connected with cold water water inlet manifold, the outlet of the first cold water pipe 1 is connected by the entrance of flow control valve 2 with the second cold water pipe 3, first water supply pump 4 of the outlet parallel connection of the second cold water pipe 3, the entrance of the second water supply pump 5 connects, first water supply pump 4, the outlet of the second water supply pump 5 is connected with the cold water inlet of constant-temperature water mixing valve 7 by the 3rd cold water pipe 6, the signal output part of flow transducer 10 that second cold water pipe 3 connects is connected with first signal input part of PLC 9, the signal output part of the first pressure transducer 11 that 3rd cold water pipe 6 connects is connected with the secondary signal input end of PLC 9, first signal output part of PLC 9 is connected with the control end of flow control valve 2, the secondary signal output terminal of PLC 9 is connected with the control end of the first water supply pump 4 by the first frequency variator 13, 3rd signal output part of PLC 9 is connected with the control end of the second water supply pump 5 by the first frequency variator 12,
Described hot water pipe net control subsystem comprises the first hot-water line 14, the entrance of the first hot-water line 14 is connected with the output tube of water-heating boiler, the outlet of the first hot-water line 14 is connected by the entrance of the first hot water pump 15 with the second hot-water line 16, the outlet of the second hot-water line 16 is connected with the entrance of hot water tank 17, first outlet of hot water tank 17 is connected by the entrance of the 3rd hot-water line 18 with the second hot water pump 20, second outlet of hot water tank 17 is connected by the entrance of the 4th hot-water line 19 with the 3rd hot water pump 21, the outlet of the second hot water pump 20 is connected with the hot water inlet of constant-temperature water mixing valve 7 by the 5th hot-water line 22 with after the outlet of the 3rd hot water pump 21 again, the signal output part of liquid level sensor 23 that hot water tank 17 is arranged is connected with the 3rd signal input part of PLC 9, the signal output part of the second pressure transducer 24 that 5th hot-water line 22 connects is connected with the 4th signal input part of PLC 9,4th signal output part of PLC 9 is connected with the control end of the first hot water pump 15,5th signal output part of PLC 9 is connected with the control end of the second hot water pump 20 by the 3rd frequency variator 25,6th signal output part of PLC 9 is connected with the control end of the 3rd hot water pump 21 by the 4th frequency variator 26.
Working principle of the present invention is: utilize flow transducer 10 to gather the flow information of water in the second cold water pipe 3, and passed to PLC 9, through PID arithmetic, generates control signal adjust flux control valve 2, keeps the constant flow of water in cold water pipe 2; The first pressure transducer 11 is adopted to gather hydraulic pressure information in the 3rd cold water pipe 6, and passed to PLC, through PID arithmetic, generate control signal, through the first frequency variator 12 and the second frequency variator 13, realize the frequency conversion to the first water supply pump 4, second water supply pump 5 respectively, frequency conversion and power frequency switch, and the operation such as start/close down, keep the water pressure invariableness in the 3rd cold water pipe 6; Liquid level sensor 23 gathers the water level information in hot water tank 17, and is passed to PLC 9, through PID arithmetic, generates the startup of SC sigmal control first hot water pump 15/close down, guarantees that hot water tank 17 deposit has enough hot water; The second pressure transducer 24 is adopted to gather hydraulic pressure information in the 5th hot-water line 22, and passed to PLC 9, through PID arithmetic, generate control signal, through the 3rd frequency variator 25 and the 4th frequency variator 26, realize the frequency conversion to the second hot water pump 20, the 3rd hot water pump 21 respectively, frequency conversion and power frequency switch, and the operation such as start/close down, keep the water pressure invariableness in the 5th hot-water line 22; Adopt constant-temperature water mixing valve 7, the mixed proportion of hot water or cold water can be controlled according to the temperature value of shower person's setting, the water-exit temperature of shower 8 is had during fluctuation slightly at hydraulic pressure and remains constant.Meanwhile, the advantages such as this control system also has saves water and energy, easy to use, comfortable, safe.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a bathhouse two-tube hot water constant temperature constant voltage supply control system, comprise more than one shower (8), it is characterized in that: the entrance of shower (8) is connected with the outlet of constant-temperature water mixing valve (7), cold water, the hot water inlet of constant-temperature water mixing valve (7) are connected with the output of cold water pipe network control subsystem, hot water pipe net control subsystem respectively, and flow, the pressure of cold water and hot water are controlled by PLC (9).
2. a kind of bathhouse according to claim 1 two-tube hot water constant temperature constant voltage supply control system, is characterized in that:
Described cold water pipe network control subsystem comprises the first cold water pipe (1), the entrance of the first cold water pipe (1) is connected with cold water water inlet manifold, the outlet of the first cold water pipe (1) is connected by the entrance of flow control valve (2) with the second cold water pipe (3), first water supply pump (4) of the outlet parallel connection of the second cold water pipe (3), the entrance of the second water supply pump (5) connects, first water supply pump (4), the outlet of the second water supply pump (5) is connected with the cold water inlet of constant-temperature water mixing valve (7) by the 3rd cold water pipe (6), the signal output part of the upper flow transducer (10) connected of the second cold water pipe (3) is connected with first signal input part of PLC (9), the signal output part of upper the first pressure transducer (11) connected of the 3rd cold water pipe (6) is connected with the secondary signal input end of PLC (9), first signal output part of PLC (9) is connected with the control end of flow control valve (2), the secondary signal output terminal of PLC (9) is connected with the control end of the first water supply pump (4) by the first frequency variator (13), 3rd signal output part of PLC (9) is connected with the control end of the second water supply pump (5) by the first frequency variator (12).
3. a kind of bathhouse according to claim 1 two-tube hot water constant temperature constant voltage supply control system, is characterized in that:
Hot water pipe net control subsystem comprises the first hot-water line (14), the entrance of the first hot-water line (14) is connected with the output tube of water-heating boiler, the outlet of the first hot-water line (14) is connected by the entrance of the first hot water pump (15) with the second hot-water line (16), the outlet of the second hot-water line (16) is connected with the entrance of hot water tank (17), first outlet of hot water tank (17) is connected with the entrance of the second hot water pump (20) by the 3rd hot-water line (18), second outlet of hot water tank (17) is connected by the entrance of the 4th hot-water line (19) with the 3rd hot water pump (21), the outlet of the second hot water pump (20) is connected with the hot water inlet of constant-temperature water mixing valve (7) by the 5th hot-water line (22) with after the outlet of the 3rd hot water pump (21) again, the upper signal output part of liquid level sensor (23) arranged of hot water tank (17) is connected with the 3rd signal input part of PLC (9), the upper signal output part of the second pressure transducer (24) connected of 5th hot-water line (22) is connected with the 4th signal input part of PLC (9), 4th signal output part of PLC (9) is connected with the control end of the first hot water pump (15), 5th signal output part of PLC (9) is connected with the control end of the second hot water pump (20) by the 3rd frequency variator (25), 6th signal output part of PLC (9) is connected with the control end of the 3rd hot water pump (21) by the 4th frequency variator (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510221738.5A CN104864265B (en) | 2015-05-04 | 2015-05-04 | A kind of two-tube hot water constant temperature constant pressure supply control system of bathhouse |
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| CN201510221738.5A CN104864265B (en) | 2015-05-04 | 2015-05-04 | A kind of two-tube hot water constant temperature constant pressure supply control system of bathhouse |
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| CN104864265A true CN104864265A (en) | 2015-08-26 |
| CN104864265B CN104864265B (en) | 2017-09-29 |
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| CN201510221738.5A Expired - Fee Related CN104864265B (en) | 2015-05-04 | 2015-05-04 | A kind of two-tube hot water constant temperature constant pressure supply control system of bathhouse |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110998194A (en) * | 2017-06-06 | 2020-04-10 | 希特沃克斯技术有限公司 | Recirculating fluid heating system |
| CN112747462A (en) * | 2021-02-05 | 2021-05-04 | 佛山市顺德区基诺德电器制造有限公司 | Electric water heater system and control method thereof |
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| CN202547102U (en) * | 2012-02-14 | 2012-11-21 | 华北电力大学 | Double-mode intelligent constant temperature water-mix device used in bathroom |
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| JPH03286722A (en) * | 1990-03-31 | 1991-12-17 | Toto Ltd | Shower equipment |
| JPH0412712A (en) * | 1990-05-02 | 1992-01-17 | Toto Ltd | Shower equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110998194A (en) * | 2017-06-06 | 2020-04-10 | 希特沃克斯技术有限公司 | Recirculating fluid heating system |
| US10900668B2 (en) | 2017-06-06 | 2021-01-26 | Heatworks Technologies, Inc. | Recirculating fluid heating systems |
| CN110998194B (en) * | 2017-06-06 | 2022-03-15 | 希特沃克斯技术有限公司 | Recirculating fluid heating system |
| CN112747462A (en) * | 2021-02-05 | 2021-05-04 | 佛山市顺德区基诺德电器制造有限公司 | Electric water heater system and control method thereof |
| CN112747462B (en) * | 2021-02-05 | 2021-11-30 | 佛山市顺德区基诺德电器制造有限公司 | Electric water heater system and control method thereof |
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| CN104864265B (en) | 2017-09-29 |
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Granted publication date: 20170929 Termination date: 20210504 |