CN103953103A - Water tank drain valve with water leakage detection function - Google Patents
Water tank drain valve with water leakage detection function Download PDFInfo
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- CN103953103A CN103953103A CN201410187614.5A CN201410187614A CN103953103A CN 103953103 A CN103953103 A CN 103953103A CN 201410187614 A CN201410187614 A CN 201410187614A CN 103953103 A CN103953103 A CN 103953103A
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Abstract
The invention discloses a water tank drain valve with a water leakage detection function. The water tank drain valve comprises a valve body, wherein an overflow pipe, an annular base and a valve deck are arranged on the valve body; a drainage opening is formed in the center of the annular base; an overflow hole is formed in the annular base; a water storage barrel and a water guide groove are arranged in the drainage opening; the water guide groove is formed and extends in a position close to the inside surface of the annular base; a water inlet is formed in the upper part of the water storage barrel; a small drainage hole is formed in the lower part of the water storage barrel; the discharge area of the water inlet of the water storage barrel is greater than that of the small drainage hole; the cavity of the water guide groove is communicated with the water inlet in the upper part of the water storage barrel; a water level detection switch is arranged in the inner cavity of the water storage barrel; a microprocessor is also arranged outside the drain valve body; the water level detection switch is connected to the microprocessor through a first signal wire; the microprocessor monitors the time length t1 of the water level detection switch lastingly in the connected state; the microprocessor is also connected with a feedback executing mechanism through a second signal wire. The water tank drain valve can automatically detect the leakage of the water tank, and commands the feedback executing mechanism to act.
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 responsible for to water tank supplementing water.Shown in Fig. 1, Fig. 2, Fig. 3, 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 activities are covered on outfall 14 tops 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 of water tank 3 bottoms and screws, thereby whole draining valve 1 is fixing.Intake tunnel is 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 is opened valve gap, current by outfall to undershoot, as shown in Fig. 2 arrow.
In hotel, the place such as office space, public place, family, the water supply volume of toilet water flushing is accounting for larger proportion, along with the rising nervous, water rate of day by day lacking 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, comprise two kinds of possibilities, the first may be that valve gap 13 closures are not tight, be that valve gap 13 can not closely cover outfall 14, 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 closed completely, in continuing water compensating state; Although it is closed tight that the second may be valve gap 13, for example, but intake tunnel leaks (float valve damage), now, current continue to drain by bleed off pipe 11 and through spout hole 15, as shown by the arrows in Figure 5, avoid the water surface in water tank to cover top cover and flow to flooring.In above-mentioned two situations, no matter there is any situation, all can cause sluicing night and day, the water yield of waste is larger.But on the other hand, because water closet itself just needs the function of normal draining, so the problem that water closet leaks is but difficult to find suitable detection and solution always.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and a kind of water tank drain valve with water leakage detecting function is provided, 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 is opened or cover, the central authorities of circular base form outfall, and valve gap activity is covered on the outfall top of circular base; Circular base offers spout hole, the lower end of bleed off pipe is communicated with spout hole, its main feature is, in outfall, be provided with water storage cylinder and guiding gutter, the horizontal projection shape of guiding gutter is circular arc or annular, the medial surface of the adjacent circular base of guiding gutter is arranged extension, and the notch of guiding gutter is towards top; The horizontal projected area of water storage cylinder is less than 25% of outfall horizontal projected area; The top of water storage cylinder is provided with water inlet, and the bottom of water storage cylinder is provided with sluicing aperture, and the discharge area of the water inlet of water storage cylinder is greater than the discharge area of sluicing aperture; The vallecular cavity of guiding gutter is communicated to the water inlet on water storage cylinder top; In the inner chamber of water storage cylinder, be provided with two metal contact, wherein has the minimum point of a metal contact at least higher than the minimum point of water storage cylinder sluicing aperture, these two metal contact form water level detection switch, when the water level in water storage cylinder is dipped into two metal contact simultaneously, this water level detection switch is in on-state; When the water level in water storage cylinder is not dipped into two metal contact simultaneously, this water level detection switch is in off-state; Draining valve valve body outside is also provided with microprocessor, and water level detection switch is connected to microprocessor by first signal line; Microprocessor is provided with timing unit, and water level detection switch continues the time span t in on-state described in microprocessor monitors
1; Microprocessor is also connected with feedback executing agency by secondary signal line; When microprocessor monitors continues the time span t in on-state to water level detection switch
1be greater than normal turn-on time of the limiting value t of setting
2time, the action of microprocessor instructs feedback executing agency.
The water inlet of water storage cylinder is towards the spout hole of circular base.
The vallecular cavity of guiding gutter is communicated with the spout hole of circular base.
The vertical position of guiding gutter is lower than the vertical position of spout hole.
Described two metal contact are vertical two metal needles arranging, and two metal needles are suspended in the inner chamber of water storage cylinder.
The big up and small down necking down shape of outfall of circular base central authorities, described guiding gutter is erected at the bottleneck of outfall.
Described feedback executing agency is alarm; When the timing unit of microprocessor, monitor described water level detection switch and continue the time span t in on-state
1be greater than normal turn-on time of the limiting value t of setting
2time, microprocessor instructs alarm sends alarm signal.Alarm can be for sending the alarm of sound and light alarm signal.
Described feedback executing agency is for can be arranged on the electromagnetic valve in water tank water intake passage; When the timing unit of microprocessor, monitor described water level detection switch and continue the time span t in on-state
1be greater than normal turn-on time of the limiting value t of setting
2time, microprocessor instructs closed electromagnetic valve.
Described first signal line penetrates spout hole from water level detection switch, then through the tube chamber of bleed off pipe, upwards passes the valve body of draining valve, is finally connected to microprocessor.Although first signal line is arranged in outfall and upwards walks like this, can not hinder closely covering of valve gap.
Normal turn-on time of the limiting value t of above-mentioned water level detection switch
2, refer in water-rinsing process each time, because bath makes current, enter water storage cylinder, water level detection switch is connected, the water in water storage cylinder is slowly discharged by the sluicing aperture of bottom afterwards, and water level detection switch is disconnected, therefore normal turn-on time limiting value t
2at least comprise two periods, wherein the first paragraph time is to open to from the valve gap of draining valve the bath time that draining valve valve gap is closed, and the second segment time is slowly to drain the time disconnecting to two metal contact to the water in water storage cylinder from drain shut valve; In addition normal turn-on time limiting value t
2can also comprise the 3rd period, " revise time expand "., for " revising time expand " will be set, be why mainly in order to relax the time span standard of leaking that is judged as, prevent that time span is too strict and judge by accident, so " revising time expand " mainly plays delayed-action or perhaps correcting action.Above-mentioned " first paragraph time ", " second segment time " mainly determine according to the actual conditions of each draining valve, existing commercially available prod " first paragraph time " is set to 3-7 about second conventionally, certainly, some draining valve can be distinguished the discharging quantity of water (being 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, " first paragraph time " should refer to large water-rinsing process time span after an action of the bowels., and " second segment time " depend primarily on the factors such as water storage cylinder cavity volume, sluicing aperture discharge area; And " revising time expand " can 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 time-amplitude that value arranges correction (delay) as required.
The present invention has the following advantages and effect:
One, no matter draining valve of the present invention is when the normal bath of water tank is still leaked, and current all can flow to guiding gutter, after the guiding gutter of flowing through, inject water storage cylinder.Because the discharge area of the sluicing aperture of water storage cylinder is less than water inlet discharge area, water storage cylinder top, therefore when to water storage cylinder water filling, ponding in water storage cylinder has little time to drain, and the water level in water storage cylinder can rise, and makes water level detection switch become on-state from off-state.On the other hand, the in the situation that of the normal bath of draining valve, after drain shut valve certain hour, ponding in water storage cylinder can be emptying gradually by sluicing aperture, so can fall back to low level after it's a period of time has been past water level, therefore the time span of water level detection switch in on-state shorter (limited), can not surpass normal turn-on time of the limiting value t setting
2, microprocessor can not be judged as and leak.And in the situation of leaking, because water storage cylinder continues to accept water filling, ponding in water storage cylinder has little time to drain always, water level is continued in a high position always, water accumulation level in water storage cylinder is stable, water level detection switch continues in stable on-state, so the time span of water level detection switch in on-state will surpass normal turn-on time of the limiting value t setting
2, microprocessor can be judged as and leak thus, and orders the action of feedback executing agency, for example, send alarm signal (notice maintenance), or cut-out is arranged on the electromagnetic valve (avoiding not stopping leaking) on intake tunnel.
Two, the meeting inflow water storage cylinder of leaking that draining valve valve gap is not closed completely and produces, leaking of flowing away by bleed off pipe also can flow into water storage cylinder, therefore, the present invention can either detect leaking that valve gap due to draining valve is not closed completely and causes, and also can detect due to leaking that intake tunnel fault produces.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of traditional water tank drain valve.
Fig. 2 is the bath view of water tank drain valve.
Fig. 3 is that water tank drain valve is at the sectional perspective structural representation of bath state.
Fig. 4 is water tank the first view of leaking.
Fig. 5 is water tank the second view of leaking.
Fig. 6 is control principle schematic diagram of the present invention.
Fig. 7 is the horizontal projection position relationship schematic diagram of each parts of the first specific embodiment of the present invention.
Fig. 8 is the shape schematic diagram of water storage cylinder.
Fig. 9 is the cross-sectional view of water storage cylinder.
Figure 10 is the ponding view of water storage cylinder.
Figure 11 is the view of the water of water storage cylinder after emptying
Figure 12 is the perspective view that water storage cylinder and guiding gutter fit together.
Figure 13 is the perspective view that shown in Figure 12, structure is seen from another side.
Figure 14 is that in Fig. 7, A-A section covers view not tight and that leak at valve gap.
Figure 15 is the view of B-B section when bleed off pipe leaks in Fig. 7.
Figure 16 is the local enlarged diagram of Figure 14.
Figure 17 is the local enlarged diagram of Figure 15.
Figure 18 is that valve gap covers the flow path schematic diagram leaking when tight.
The specific embodiment
embodiment mono-
Shown in Fig. 7, Figure 14, Figure 15, Figure 16, Figure 17, Fig. 3, Fig. 2, this embodiment comprises valve body 1 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 11, circular base 12, valve gap 13, application valve cover is opened or cover, valve gap controlling organization is identical with conventional art, the central authorities of circular base 12 form outfall 14, and valve gap 13 activities are covered on outfall 14 tops of circular base; Circular base 12 offers spout hole 15, and the lower end of bleed off pipe 11 is communicated with spout hole 15; In outfall 14, be provided with water storage cylinder 2 and guiding gutter 4, the horizontal projection shape of guiding gutter 4 is circular arc, and the medial surface 120 of guiding gutter 4 adjacent circular bases is arranged extension, and the notch of guiding gutter 4 is towards top; The horizontal projected area of water storage cylinder 2 equals 10% of outfall 14 horizontal projected areas.
Shown in Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 17, the top of water storage cylinder 2 is provided with water inlet 25, the bottom of water storage cylinder is provided with sluicing aperture 21, and the discharge area of the water inlet 25 of water storage cylinder (being the area of water inlet) is greater than the discharge area (area of the aperture that sluices) of sluicing aperture 21; In the inner chamber 22 of water storage cylinder, be provided with two metal contact, described two metal contact are that vertical 23, two metal needles 23 of two metal needles of arranging are suspended in the inner chamber 22 of water storage cylinder.The minimum point of two metal needles 23 is higher than the minimum point of water storage cylinder sluicing aperture 21, these two metal contact form water level detection switch, when the water level in water storage cylinder is dipped into two metal needles 23 simultaneously, because glassware for drinking water has electric conductivity, therefore this water level detection switch is in on-state, as shown in figure 10; When the water level in water storage cylinder is not dipped into two metal needles 23 simultaneously, this water level detection switch is in off-state, as shown in figure 11.
Shown in Figure 16, Figure 17, the big up and small down necking down shape of outfall 14 of circular base central authorities, described guiding gutter 4 is erected at the bottleneck 121 of outfall; And water storage cylinder 2 and guiding gutter 4 fit together, as shown in Figure 12 and Figure 13, after assembling, the conduit two-port 401 of circular arc guiding gutter 4 is towards the spout hole 15 of circular base, it is the spout hole 15 of the circular base of vallecular cavity 40 connection of guiding gutter, and the water inlet 25 of water storage cylinder is also towards the spout hole 15 of circular base, so the vallecular cavity 40 of guiding gutter 4 is communicated to the water inlet 25 on water storage cylinder top, as shown in Fig. 7, Figure 12, Figure 18, Figure 15, Figure 16, Figure 17.
Draining valve valve body outside is also provided with microprocessor, as water level detection switch is connected to microprocessor by first signal line; Described first signal line 21 penetrates spout hole 15 from water level detection switch, then through the tube chamber of bleed off pipe 11, upwards passes the valve body 1 of draining valve, is finally connected to microprocessor.Although first signal line is arranged in outfall and upwards walks like this, can not hinder closely covering of valve gap.As shown in figure 16.Shown in Fig. 6, microprocessor is provided with timing unit, and water level detection switch continues the time span t in on-state described in microprocessor monitors
1; Microprocessor is also connected with feedback executing agency by secondary signal line; When microprocessor monitors continues the time span t in on-state to water level detection switch
1be greater than normal turn-on time of the limiting value t of setting
2time, the action of microprocessor instructs feedback executing agency.
Described feedback executing agency is included as alarm and the electromagnetic valve that sends sound and light alarm signal, and as shown in Figure 6, electromagnetic valve can be arranged in water tank water intake passage, and alarm is arranged on water tank outside.When the timing unit of microprocessor, monitor described water level detection switch and continue the time span t in on-state
1be greater than normal turn-on time of the limiting value t of setting
2time, microprocessor instructs alarm sends alarm signal, simultaneously microprocessor instructs closed electromagnetic valve.
Above-described embodiment operating principle is as follows:
One, under normal state, neither bath is also water-tight, and water storage cylinder 2 is ponding not, and water storage cylinder 2 is ponding not, the normality that water level detection switch remains open, and two metal probes 23 are disconnected (as shown in figure 11) in electricity.
Two, the in the situation that of normal bath, the of short duration ponding of water storage cylinder 2, water level rises to a high position (as shown in figure 10), and water level detection switch is the state in connecting temporarily; After drain shut valve, the ponding in water storage cylinder can be emptying gradually by sluicing aperture 21, so water level detection switch is connected, can not surpass normal turn-on time of the limiting value t setting
2(this embodiment is set as 1 minute), microprocessor can not be judged as and leak.
Three, at valve gap, be not closed completely and in the situation of leaking, current continue to flow into by outfall the vallecular cavity 40 of circular arc guiding gutter 4, as shown in Figure 14, Figure 16 arrow, then flow to spout hole 15, and flow into water storage cylinder inner chamber 22 by spout hole 15, as shown in Figure 18 arrow, because current constantly flow into, make water storage cylinder inner chamber 22 ponding have little time to drain always, make the water level detection switch state in connecting for a long time, so the time span t of water level detection switch in connecting
1by normal turn-on time of the limiting value t surpass setting
2(1 minute), microprocessor can be judged as and leak thus, and orders alarm and electromagnetic valve action, sends alarm signal (notice maintenance), cuts off and is arranged on the electromagnetic valve (avoiding not stopping leaking) on intake tunnel.After seepy question solves, can utilize the button that is located at water tank outside to reopen electromagnetic valve.
Equally, for example, the in the situation that of leaking (float valve damage) at intake tunnel, current continue to drain by bleed off pipe 11 and through spout hole 15, and continue to inject water storage cylinder inner chamber 22 by spout hole 15, as Figure 15, shown in Figure 17 arrow, make the water level detection switch state in connecting for a long time, therefore the time span of water level detection switch in connecting will surpass 1 minute that sets, microprocessor can be judged as and leak thus, and order alarm and electromagnetic valve to move, send alarm signal (notice maintenance), cut-out is arranged on the electromagnetic valve (avoiding not stopping leaking) on intake tunnel.After seepy question solves, can utilize the button that is located at water tank outside to reopen electromagnetic valve.
In above-described embodiment one, normal turn-on time limiting value t
2change into and also can change 10 seconds into, or 30 seconds, or 2 minutes, 3 minutes, 5 minutes longer times even.
In above-described embodiment one, the cross-sectional area of water storage cylinder can change into and equal 25% of outfall cross-sectional area, or 1%, 2%, 8%, etc.
In above-described embodiment one, also can set up the second water inlet on the top, side of water storage cylinder, and the conduit two-port 401 of guiding gutter 4 is directly aimed at the second water inlet of water storage cylinder, the current in guiding gutter 4 can be introduced to the inner chamber of water storage cylinder.
embodiment bis-
In this embodiment, the horizontal projection shape of guiding gutter is annular, the medial surface of the adjacent circular base of guiding gutter, and also the vertical position of guiding gutter is lower than the vertical position of spout hole, and guiding gutter offers the breach of aiming at water storage cylinder water inlet.Like this, no matter be that valve gap is not closed completely and leaks, or intake tunnel leaks, and current all can constantly flow into guiding gutter, and is continued to flow into water storage cylinder water inlet by the breach of guiding gutter, finally makes water storage cylinder inner chamber continue ponding.In addition, in embodiment bis-, only have the minimum point of a metal contact higher than the minimum point of water storage cylinder sluicing aperture, the minimum point of another metal contact is lower than the minimum point of water storage cylinder sluicing aperture.
All the other are identical with embodiment mono-.
Claims (9)
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 is opened or cover, the central authorities of circular base form outfall, and valve gap activity is covered on the outfall top of circular base; Circular base offers spout hole, 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 guiding gutter, the horizontal projection shape of guiding gutter is circular arc or annular, the medial surface layout of the adjacent circular base of guiding gutter, the notch of guiding gutter is towards top; The horizontal projected area of water storage cylinder is less than 25% of outfall horizontal projected area; The top of water storage cylinder is provided with water inlet, and the bottom of water storage cylinder is provided with sluicing aperture, and the discharge area of the water inlet of water storage cylinder is greater than the discharge area of sluicing aperture; The vallecular cavity of guiding gutter is communicated to the water inlet on water storage cylinder top; In the inner chamber of water storage cylinder, be provided with two metal contact, wherein have the minimum point of a metal contact at least higher than the minimum point of water storage cylinder sluicing aperture, these two metal contact form water level detection switch; When the water level in water storage cylinder is dipped into two metal contact simultaneously, this water level detection switch is in on-state; When the water level in water storage cylinder is not dipped into two metal contact simultaneously, this water level detection switch is in off-state; Draining valve valve body outside is also provided with microprocessor, and water level detection switch is connected to microprocessor by first signal line; Microprocessor is provided with timing unit, and water level detection switch continues the time span t in on-state described in microprocessor monitors
1; Microprocessor is also connected with feedback executing agency by secondary signal line; When microprocessor monitors continues the time span t in on-state to water level detection switch
1be greater than normal turn-on time of the limiting value t of setting
2time, the action of microprocessor instructs feedback executing agency.
2. the water tank drain valve with water leakage detecting function according to claim 1, is characterized in that: the water inlet of water storage cylinder is towards the spout hole of circular base.
3. the water tank drain valve with water leakage detecting function according to claim 2, is characterized in that: the vallecular cavity of guiding gutter is communicated with the spout hole of circular base.
4. the water tank drain valve with water leakage detecting function according to claim 1, is characterized in that: the vertical position of guiding gutter is lower than the vertical position of spout hole.
5. the water tank drain valve with water leakage detecting function described in any one according to claim 1 to 4, is characterized in that: described two metal contact are vertical two metal needles arranging, and two metal needles are suspended in the inner chamber of water storage cylinder.
6. the water tank drain valve with water leakage detecting function described in any one according to claim 1 to 4, is characterized in that: the big up and small down necking down shape of outfall of circular base central authorities, described guiding gutter is erected at the bottleneck of outfall.
7. the water tank drain valve with water leakage detecting function described in any one according to claim 1 to 4, is characterized in that: described feedback executing agency is alarm; When the timing unit of microprocessor, monitor described water level detection switch and continue the time span t in on-state
1be greater than normal turn-on time of the limiting value t of setting
2time, microprocessor instructs alarm sends alarm signal.
8. the water tank drain valve with water leakage detecting function described in any one according to claim 1 to 4, is characterized in that: described feedback executing agency is for can be arranged on the electromagnetic valve in water tank water intake passage; When the timing unit of microprocessor, monitor described water level detection switch and continue the time span t in on-state
1be greater than normal turn-on time of the limiting value t of setting
2time, microprocessor instructs closed electromagnetic valve.
9. according to the water tank drain valve with water leakage detecting function described in claim 1 to 4, it is characterized in that: described first signal line penetrates spout hole from water level detection switch, then through the tube chamber of bleed off pipe, upwards pass the valve body of draining valve, be finally connected to microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187614.5A CN103953103B (en) | 2014-05-06 | 2014-05-06 | Water tank drain valve with water leakage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187614.5A CN103953103B (en) | 2014-05-06 | 2014-05-06 | Water tank drain valve with water leakage detection function |
Publications (2)
| Publication Number | Publication Date |
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| CN103953103A true CN103953103A (en) | 2014-07-30 |
| CN103953103B CN103953103B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410187614.5A Expired - Fee Related CN103953103B (en) | 2014-05-06 | 2014-05-06 | Water tank drain valve with water leakage detection function |
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| CN (1) | CN103953103B (en) |
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| WO2021120256A1 (en) * | 2019-12-18 | 2021-06-24 | 邦辰环保科技(苏州)有限公司 | Fluctuation detection system for vacuum cleaner, and vacuum cleaner |
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| Publication number | Publication date |
|---|---|
| CN103953103B (en) | 2015-05-20 |
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