CN103790217B - Water tank drainage valve with water leakage detection function - Google Patents
Water tank drainage valve with water leakage detection function Download PDFInfo
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- CN103790217B CN103790217B CN201410071244.9A CN201410071244A CN103790217B CN 103790217 B CN103790217 B CN 103790217B CN 201410071244 A CN201410071244 A CN 201410071244A CN 103790217 B CN103790217 B CN 103790217B
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- water
- valve
- float
- water storage
- storage cylinder
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Abstract
The invention discloses a water tank drainage valve with the water leakage detection function. The water tank drainage valve comprises a valve body. The valve body is provided with an overflow pipe, a circular annular base, a valve deck and a valve deck control mechanism. A drainage outlet is formed in the center of the circular annular base, an overflow hole is formed in the circular annular base, the lower end of the overflow pipe is communicated with the overflow hole, a water storage barrel is installed in the drainage outlet, an opening in the upper portion of the water storage barrel is opened, a small water drainage hole is formed in the bottom of the water storage barrel, a floater is also installed inside the water storage barrel, and a liquid level switch is arranged at the position close to the floater. A microprocessor is arranged outside the valve body of the drainage valve, a timing unit is arranged in the microprocessor, and the timing unit monitors the time span t spent when the liquid level switch is continually in the abnormal state. The microprocessor is connected with a feedback execution mechanism through a second signal line. When the timing unit of the microprocessor monitors that the time span t spent when the liquid level switch is continually in the abnormal state is larger than t1+t2+t3, the microprocessor gives an instruction to enable the feedback execution mechanism to act. The water tank drainage valve with the water leakage detection function can automatically detect water leakage of a water tank and process water leakage.
Description
Technical field
The invention belongs to a kind of water tank drain valve for lavatory, be specifically related to a kind of water tank drain valve with water leakage detecting function.
Background technology
Water closet is all provided with intake tunnel, draining valve, and wherein draining valve is responsible for controlling bath, and intake tunnel is then responsible for water tank supplementing water.Shown in Fig. 1, Fig. 2, water closet draining valve comprises valve body 1, the valve body of draining valve is provided with bleed off pipe 11, circular base 12, valve gap 13, valve gap controlling organization, the central authorities of circular base form outfall 14, valve gap 13 activity is covered on above the outfall 14 of circular base, the opening or covering of valve gap controlling organization application valve cover; Circular base also offers spout hole 15, and the lower end of bleed off pipe is communicated with spout hole 15.During installation, circular base 12 assigns into the hollow out mouth bottom water tank 3 and screws, thus is fixed by whole draining valve 1.Intake tunnel is then generally provided with float valve, and when water closet water level rises to desired location, float valve is closed, and stops moisturizing.During normal bath, valve gap controlling organization makes valve gap open, current by outfall to undershoot, as shown by the arrows in figure 2.
In hotel, office space, public place, the place such as family, the water supply volume of toilet water flushing accounts for larger proportion, and along with the rising day by day lacking anxiety, water rate of water resource, people try every possible means always and save lavatory water, reduce lavatory water waste.But there is the hidden danger of leaking in water closet, comprising two kinds may, the first may be that valve gap 13 is closed not tight, namely valve gap 13 can not closely cover outfall 14, and water continues to vent from outfall, as shown by the arrows in Figure 4, under this state, cistern water level cannot remain on highest order, and float valve can not be closed completely, is in lasting water compensating state; Although it is closed tight that the second may be valve gap 13, but intake tunnel leaks (such as float valve damage), now, current continue through bleed off pipe 11 and drain through spout hole 15, the water surface in water tank is avoided to cover top cover and flow to flooring, as shown by the arrows in Figure 5.In above-mentioned two situations, no matter occur any situation, all can cause sluicing night and day, the water yield of waste is larger.But on the other hand, because water closet inherently needs the function of proper drainage, be but difficult to find suitable detection and solution so water closet leaks water problem always.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and provide a kind of water tank drain valve with water leakage detecting function, it can detect radiator leak automatically.
Its object can realize by following scheme: should comprise valve body with the water tank drain valve of water leakage detecting function, the valve gap controlling organization that valve body is provided with bleed off pipe, circular base, valve gap, application valve cover are opened or covered, the central authorities of circular base form outfall, and valve gap activity is covered on above the outfall of circular base; Circular base offers spout hole, and the lower end of bleed off pipe is communicated with spout hole, and its main feature is, in outfall, be provided with water storage cylinder, and from vertical position, the vertical position of water storage cylinder is lower than the vertical position of spout hole; From horizontal level, water storage cylinder is near spout hole and press close to the inner ring surface of circular base; The cross-sectional area of water storage cylinder is less than 20% of outfall cross-sectional area; The upper opening of water storage cylinder opens wide, and the bottom of water storage cylinder is provided with sluicing aperture, and the cross-sectional area of sluicing aperture is less than 70% of water storage cylinder upper opening cross-sectional area; In water storage cylinder, also float is installed, is also provided with in the position near this float the liquid-level switch controlled by this float; When float drops to low level, the on off operating mode of liquid-level switch is in the normal state; When float rises to a high position, the on off operating mode of liquid-level switch is in abnormal; Also be provided with microprocessor outside draining valve valve body, liquid-level switch is connected to microprocessor by the first holding wire; Be provided with timing unit in microprocessor, timing unit is monitored described liquid-level switch and is continued to be in abnormal time span t; Microprocessor is also connected with feedback executing agency by secondary signal line; Continue to be in abnormal time span t > t when the timing unit of microprocessor monitors liquid-level switch
1+ t
2+ t
3time, the action of microprocessor instructs feedback executing agency; Wherein t
1for in draining valve each time normal water-rinsing process, rise to the time span of vertex position when valve gap is closed from float; t
2after draining valve each time normal water-rinsing process, close the time span dropping to low level up to float from valve gap; t
3for revising time allowance length.
Above-mentioned formula t > t
1+ t
2+ t
3in, t
1the time span opened close to normal water-rinsing process valve gap each time of time span, decision is set according to concrete each draining valve, about existing commercially available prod is generally 3-7 second; Certainly, some draining valve can distinguish the discharging quantity of water (i.e. valve gap opening time) of excrements, the valve gap opening time length of large flushing the toilet after use process is longer, and the valve gap opening time length of little flushing the toilet after use process is shorter, for these draining valves, " normal water-rinsing process " should refer to large water-rinsing process after an action of the bowels.And t
2the speed that ponding after then depending on valve gap closedown in water storage cylinder is drained from sluicing aperture, when the ponding in water storage cylinder is drained to a certain extent from sluicing aperture, float drops to low level automatically; t
3for revising time allowance length, why for arranging " revising time allowance length ", mainly in order to relax the time span standard being judged as leaking, preventing time span too strict and judging by accident, so, t
3mainly play delayed-action, or perhaps correcting action, t
3can be set to 1-60 second, also can be set to some minutes even for more time, those skilled in the art can carry out the amplitude that value arranges correction (delay) as required.
Be preferably, the cross sectional dimensions of water storage cylinder is 5-20 millimeter; The cross sectional dimensions of sluicing aperture is 1.0-3.5 millimeter.
The cross-sectional area of water storage cylinder is equivalent to the 1-8% of outfall cross-sectional area; The cross-sectional area of sluicing aperture is equivalent to the 1-15% of water storage cylinder upper opening cross-sectional area.
Described float is with magnet, and described liquid-level switch is tongue tube.
Ringwise, and float is enclosed within the periphery of tongue tube to the described float with magnet.
When float drops to lowest point, liquid-level switch is in the normality of disconnection; When float rises to vertex position, liquid-level switch is in the abnormal of connection.
Described feedback executing agency is alarm; Continue to be in abnormal time span t > t when the timing unit of microprocessor monitors liquid-level switch
1+ t
2+ t
3time, microprocessor instructs alarm sends alarm signal.Alarm can for sending the alarm of sound and light alarm signal.
Described feedback executing agency can be arranged on the electromagnetic valve in water tank water intake passage; Continue to be in abnormal time span t > t when the timing unit of microprocessor monitors liquid-level switch
1+ t
2+ t
3time, microprocessor instructs closed electromagnetic valve.
Described first holding wire penetrates spout hole from liquid-level switch, then upwards passes the valve body of draining valve through the tube chamber of bleed off pipe, is finally connected to microprocessor.Although such first holding wire is arranged in outfall and upwards walks, closely covering of valve gap can not be hindered.
The present invention has the following advantages and effect:
One, draining valve of the present invention is regardless of when water tank is normally washed by water or leaked, all can to water storage cylinder water filling.Cross-sectional area due to the sluicing aperture of water storage cylinder is less than water storage cylinder upper opening cross-sectional area, therefore when to water storage cylinder water filling, the ponding in water storage cylinder has little time to drain, and the water level in water storage cylinder can rise, make float rise to a high position, liquid-level switch is become from normality abnormal.On the other hand, when draining valve is normally washed by water, when after drain shut valve certain hour, ponding in water storage cylinder can be emptying gradually by sluicing aperture, so float can fall back to low level after having spent a period of time, therefore liquid-level switch is in abnormal time span shorter (limited), can not exceed the t of setting
1+ t
2+ t
3, microprocessor can not be judged as leaking.And under water leakage situation, because water storage cylinder continues to accept water filling, the ponding in water storage cylinder has little time to drain always, makes float continue to be in a high position always, liquid-level switch continues to be in " abnormal ", and therefore liquid-level switch is in abnormal time span and will exceedes the t of setting
1+ t
2+ t
3, microprocessor can be judged as leaking thus, and the action of order feedback executing agency, such as send alarm signal (notice maintenance), or cut off the electromagnetic valve (avoiding not stopping to leak) be arranged on intake tunnel.
Two, leaking that drain shut valve does not sternly produce can flow into water storage cylinder, also water storage cylinder can be flowed into by leaking of flowing away of bleed off pipe, therefore, what the present invention can either detect that the valve gap due to draining valve is not closed completely and causes leaks, and also leaking due to intake tunnel can be detected.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of conventional water tank draining valve.
Fig. 2 is the bath view of water tank drain valve.
Fig. 3 is the sectional perspective structural representation of conventional water tank draining valve in bath state.
Fig. 4 is the first view of may leaking of water tank.
Fig. 5 is that water tank the second may leak view.
Fig. 6 is the partial structurtes schematic diagram of a kind of water tank drain valve of the present invention.
Fig. 7 is the cross-sectional view of draining valve shown in Fig. 6.
Fig. 8 is the plan structure schematic diagram after valve gap removed by draining valve shown in Fig. 6.
Fig. 9 is the view that float in the water storage cylinder of Fig. 7 is in low level.
Figure 10 is that the float in the water storage cylinder of Fig. 7 is in high-order view.
Figure 11 is control principle schematic diagram of the present invention.
Detailed description of the invention
Shown in Fig. 6, Fig. 7, Fig. 8, the water tank drain valve with water leakage detecting function of this embodiment comprises valve body 1, valve body 1 is provided with bleed off pipe 11, circular base 12, valve gap 13, valve gap controlling organization, the control of valve gap controlling organization opens for valve gap processed or covers that (structure of valve gap controlling organization is identical with traditional structure, therefore not shown), the central authorities of circular base 12 form outfall 14,14 sides in the outfall that valve gap 13 activity is covered on circular base; Circular base 12 offers spout hole 15, and the lower end of bleed off pipe 11 is communicated with spout hole 15.Shown in Fig. 6, Fig. 7, Fig. 8, be provided with water storage cylinder 2 in outfall 14, from vertical position, the vertical position of water storage cylinder 2 is lower than the vertical position of spout hole 15; From horizontal level, water storage cylinder 2 is near spout hole 15 and press close to the inner ring surface 120 (the round ABC namely in Fig. 8) of circular base; The cross-sectional area of water storage cylinder is about equivalent to 4% of outfall cross-sectional area; The upper opening 24 of water storage cylinder opens wide, and the bottom of water storage cylinder is provided with sluicing aperture, and the diameter dimension of water storage cylinder upper circular opening is 7.5 millimeters; The cross sectional dimensions of sluicing aperture is 1.5 millimeters, and the cross-sectional area of sluicing aperture equals 4% of water storage cylinder upper opening cross-sectional area.
In water storage cylinder, be also provided with float 22, described float 22 is with magnet, and be also provided with in the position near this float 22 liquid-level switch controlled by this float, liquid-level switch described in this is tongue tube 23.Ringwise, and float is enclosed within the periphery of tongue tube to the described float 22 with magnet.The rising of float 22 or decline can cause changes of magnetic field, and then the reed in tongue tube can be driven to be out of shape, and therefore cause the reed contact contact condition in tongue tube to change, namely tongue tube on off operating mode changes (contact closure or disconnection); Specifically, when float drops to lowest point, tongue tube is in the normality of disconnection; When float rises to vertex position, tongue tube is in the abnormal of connection.
Also be provided with microprocessor outside draining valve valve body, liquid-level switch (tongue tube 23) is connected to microprocessor by the first holding wire 24; Described first holding wire 21 penetrates spout hole 15 from liquid-level switch, then upwards passes the valve body 1 of draining valve through the tube chamber of bleed off pipe 11, is finally connected to microprocessor.Although such first holding wire is arranged in outfall and upwards walks, closely covering of valve gap can not be hindered.
Be provided with timing unit in microprocessor, timing unit monitors the time span t that described liquid-level switch (tongue tube 23) continues to be in connection (abnormal); Microprocessor is also connected with feedback executing agency by secondary signal line; Described feedback executing agency comprises alarm and electromagnetic valve, and as shown in figure 11, electromagnetic valve can be arranged in water tank water intake passage, and alarm is then arranged on water tank outside; Continue to be in abnormal time span t > t when the timing unit of microprocessor monitors liquid-level switch
1+ t
2+ t
3time, microprocessor instructs alarm sends alarm signal, and alarm can for sending the alarm of sound and light alarm signal, microprocessor instructs closed electromagnetic valve simultaneously.Wherein t
1for in draining valve each time normal water-rinsing process, rise to the time span of vertex position when valve gap is closed from float, the time is 6 seconds; t
2for closing the time span when float drops to low level from valve gap, it is about 1 second; t
3for revising time allowance length, it is 53 seconds.Therefore t
1+ t
2+ t
3be total up to 1 minute.
Above-described embodiment operating principle is as follows:
One, under normal conditions, neither wash by water also water-tight, water storage cylinder 2 not ponding, float remains in low level, and liquid-level switch 23 remains in normality (as shown in Figure 9).
Two, when normal bath, the of short duration ponding of water storage cylinder 2, float is of short duration rises to a high position (as shown in Figure 10), and liquid-level switch is temporarily in " abnormal " of connection; When after drain shut valve, the ponding in water storage cylinder can be emptying gradually by sluicing aperture, so float 22 can fall back to low level after about 7 seconds, liquid-level switch connects 1 minute that can not exceed setting, and microprocessor can not be judged as leaking.
Three, under water leakage situation, the opening 25 that current continue through water storage cylinder 2 constantly injects, another directly the having little time of ponding is drained, make float 22 continue to be in a high position (as shown in Figure 10) always, liquid-level switch continues " abnormal " that be in connection, therefore liquid-level switch is in abnormal time span and will exceedes 1 minute of setting, microprocessor can be judged as leaking thus, and order alarm and electromagnetic valve action, send alarm signal (notice maintenance), cut off the electromagnetic valve (avoiding not stopping to leak) be arranged on intake tunnel.After seepy question solves, the button being located at water tank outside can be utilized to reopen electromagnetic valve.
In above-described embodiment, t
1+ t
2+ t
3altogether can change into and also can change 10 seconds into, or 30 seconds, or 2 minutes, 3 minutes, 5 minutes even longer times.
In above-described embodiment, the cross sectional dimensions of water storage cylinder upper opening can change 5 millimeters into, the cross sectional dimensions of corresponding sluicing aperture is 1.0 millimeters, or the cross sectional dimensions of water storage cylinder upper opening changes 20 millimeters into, and the cross sectional dimensions of corresponding sluicing aperture is 3.5 millimeters.
In above-described embodiment, the cross-sectional area of water storage cylinder can change into and equal 19% of outfall cross-sectional area, or 1%, 2%, 8%, etc.; The cross-sectional area of sluicing aperture can change into and be less than 68% of water storage cylinder upper opening cross-sectional area, or 1%, 2%, 5%, 15%, 20%, etc.
When considering water storage cylinder upper opening cross-sectional area, should be as the criterion with headroom area in opening, not comprise the wall thickness part of water storage cylinder; And when considering the cross-sectional area of water storage cylinder, can be as the criterion with the horizontal projected area of whole water storage cylinder, therefore can comprise the wall thickness part of water storage cylinder.
Claims (10)
1. the water tank drain valve with water leakage detecting function, comprise valve body, the valve gap controlling organization that valve body is provided with bleed off pipe, circular base, valve gap, application valve cover are opened or covered, the central authorities of circular base form outfall, and valve gap activity is covered on above the outfall of circular base; Circular base offers spout hole, and the lower end of bleed off pipe is communicated with spout hole, it is characterized in that: in outfall, be provided with water storage cylinder, and from vertical position, the vertical position of water storage cylinder is lower than the vertical position of spout hole; From horizontal level, water storage cylinder is near spout hole and press close to the inner ring surface of circular base; The cross-sectional area of water storage cylinder is less than 20% of outfall cross-sectional area; The upper opening of water storage cylinder opens wide, and the bottom of water storage cylinder is provided with sluicing aperture, and the cross-sectional area of sluicing aperture is less than 70% of water storage cylinder upper opening cross-sectional area; In water storage cylinder, also float is installed, is also provided with in the position near this float the liquid-level switch controlled by this float; When the float of water storage cylinder drops to low level, the on off operating mode of liquid-level switch is in the normal state; When the float of water storage cylinder rises to a high position, the on off operating mode of liquid-level switch is in abnormal; Also be provided with microprocessor outside draining valve valve body, liquid-level switch is connected to microprocessor by the first holding wire; Be provided with timing unit in microprocessor, timing unit is monitored described liquid-level switch and is continued to be in abnormal time span t; Microprocessor is also connected with feedback executing agency by secondary signal line; Continue to be in abnormal time span t > t when the timing unit of microprocessor monitors liquid-level switch
1+ t
2+ t
3time, the action of microprocessor instructs feedback executing agency; Wherein t
1for in draining valve each time normal water-rinsing process, rise to the time span of vertex position when valve gap is closed from float; t
2after draining valve each time normal water-rinsing process, close the time span dropping to low level up to float from valve gap; t
3for revising time allowance length.
2. the water tank drain valve with water leakage detecting function according to claim 1, is characterized in that: the cross sectional dimensions of water storage cylinder upper opening is 5-20 millimeter; The cross sectional dimensions of sluicing aperture is 1.0-3.5 millimeter.
3. the water tank drain valve with water leakage detecting function according to claim 1, is characterized in that: the cross-sectional area of water storage cylinder is equivalent to the 1-8% of outfall cross-sectional area; The cross-sectional area of sluicing aperture is equivalent to the 1-15% of water storage cylinder upper opening cross-sectional area.
4. the water tank drain valve with water leakage detecting function according to claim 1,2 or 3, is characterized in that: described float is with magnet, and described liquid-level switch is tongue tube.
5. the water tank drain valve with water leakage detecting function according to claim 4, is characterized in that: ringwise, and float is enclosed within the periphery of tongue tube to the described float with magnet.
6. the water tank drain valve with water leakage detecting function according to claim 1,2 or 3, is characterized in that: when float drops to lowest point, and liquid-level switch is in the normality of disconnection; When float rises to vertex position, liquid-level switch is in the abnormal of connection.
7. the water tank drain valve with water leakage detecting function according to claim 4, it is characterized in that: when float drops to lowest point, tongue tube is in the normality of disconnection; When float rises to vertex position, tongue tube is in the abnormal of connection.
8. the water tank drain valve with water leakage detecting function according to claim 1,2 or 3, is characterized in that: described feedback executing agency is alarm; Continue to be in abnormal time span t > t when the timing unit of microprocessor monitors liquid-level switch
1+ t
2+ t
3time, microprocessor instructs alarm sends alarm signal.
9. the water tank drain valve with water leakage detecting function according to claim 1,2 or 3, is characterized in that: described feedback executing agency can be arranged on the electromagnetic valve in water tank water intake passage; Continue to be in abnormal time span t > t when the timing unit of microprocessor monitors liquid-level switch
1+ t
2+ t
3time, microprocessor instructs closed electromagnetic valve.
10. the water tank drain valve with water leakage detecting function according to claim 1,2 or 3, it is characterized in that: described first holding wire penetrates spout hole from liquid-level switch, then upwards pass the valve body of draining valve through the tube chamber of bleed off pipe, be finally connected to microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071244.9A CN103790217B (en) | 2014-03-01 | 2014-03-01 | Water tank drainage valve with water leakage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071244.9A CN103790217B (en) | 2014-03-01 | 2014-03-01 | Water tank drainage valve with water leakage detection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790217A CN103790217A (en) | 2014-05-14 |
| CN103790217B true CN103790217B (en) | 2015-06-17 |
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ID=50666235
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410071244.9A Expired - Fee Related CN103790217B (en) | 2014-03-01 | 2014-03-01 | Water tank drainage valve with water leakage detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103790217B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3086411A1 (en) * | 2018-01-19 | 2019-07-25 | As America, Inc. | Automated urinal |
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|---|---|---|---|---|
| CN2639381Y (en) * | 2003-07-28 | 2004-09-08 | 马燕翔 | Automatic flushing cistern with controller without water leakage and flushing level |
| CN201562343U (en) * | 2009-11-12 | 2010-08-25 | 茂名职业技术学院 | Water-leakage alarm of toilet bowl |
| JP2010285774A (en) * | 2009-06-10 | 2010-12-24 | Sanyo Electric Co Ltd | Abnormality detection device for warm water washing toilet seat device |
| CN101974932A (en) * | 2010-09-30 | 2011-02-16 | 金义埈 | Toilet with water leakage warning function |
| CN203769024U (en) * | 2014-03-01 | 2014-08-13 | 陈焕忠 | Water tank drain valve with water leakage detecting function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060023102A (en) * | 2005-01-07 | 2006-03-13 | 와토스코리아 주식회사 | Flange for toiltet stool |
-
2014
- 2014-03-01 CN CN201410071244.9A patent/CN103790217B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639381Y (en) * | 2003-07-28 | 2004-09-08 | 马燕翔 | Automatic flushing cistern with controller without water leakage and flushing level |
| JP2010285774A (en) * | 2009-06-10 | 2010-12-24 | Sanyo Electric Co Ltd | Abnormality detection device for warm water washing toilet seat device |
| CN201562343U (en) * | 2009-11-12 | 2010-08-25 | 茂名职业技术学院 | Water-leakage alarm of toilet bowl |
| CN101974932A (en) * | 2010-09-30 | 2011-02-16 | 金义埈 | Toilet with water leakage warning function |
| CN203769024U (en) * | 2014-03-01 | 2014-08-13 | 陈焕忠 | Water tank drain valve with water leakage detecting function |
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|---|---|
| CN103790217A (en) | 2014-05-14 |
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