CN104846932A - Intelligent direct connection water supply device - Google Patents
Intelligent direct connection water supply device Download PDFInfo
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- CN104846932A CN104846932A CN201410575329.0A CN201410575329A CN104846932A CN 104846932 A CN104846932 A CN 104846932A CN 201410575329 A CN201410575329 A CN 201410575329A CN 104846932 A CN104846932 A CN 104846932A
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Abstract
The invention discloses an intelligent direct connection water supply device. The intelligent direct connection water supply device is mainly composed of a flow stabilization compensator, a negative pressure eliminator, a water shortage signal transformer, a water level sensor, a small flow pump, a main pump, a flow detecting device and a control cabinet; two parts including a flow stabilization compensation cavity and a high-pressure energy storage cavity are integrated into the flow stabilization compensator, the water level sensor is installed in the high-pressure energy storage cavity, and two control points including a high water level point and a low water level point are arranged on the water level sensor; and the high water level point is used for controlling a first solenoid valve to be opened, and the low water level point is used for controlling a second solenoid valve to be closed. The intelligent direct connection water supply device has the beneficial effects that the structure is compact, the occupied land is small, and installation and maintenance are convenient; in addition, energy saving can be achieved through the pressure of a tap water inlet pipe, small flow pressure maintaining and small flow pump energy saving can be achieved through the high-pressure energy storage cavity, and therefore the energy-saving water supply flow scope is expanded; meanwhile, the service life can be further prolonged; automatic water discharging and automatic air compensation are achieved after the high-pressure energy storage cavity is deflated so that long-time water blocking can be effectively avoided; and the water quality can be sanitary easily.
Description
Technical field
The present invention relates to secondary water-supply technical field, specifically a kind of intelligent direct-heating system wetting system.
Background technology
Along with highrise building gets more and more, secondary water-supply is more prevalent.At present, the highrise building secondary water-supply that market exists mainly comprises high level cistern or water tower water-feeding, pneumatic water supply, variable frequency water supply and direct-connected water supply is totally 4 kinds of modes, compared with front several mode, direct-connected water supply is owing to can make use of tap water water inlet pipe pressure, and take up an area few, reduced investment, management maintenance is convenient, the advantages such as energy-saving clean, thus in secondary water-supply, leading position is occupied, but the direct-heating system wetting system on market can not solve the power saving that water pump supplies water at low discharge well, therefore there is water supply volume vary within wide limits in secondary water-supply, by the feature such as water is uneven, and often there will be the situation of long-time low discharge or zero delivery, as in the period in morning, but in order to maintain ductwork pressure, water pump still needs to run, and water pump normally carries out type selecting according to design discharge and lift, to meet the designing requirement of the most unfavorable processing condition, to cause selected water pump efficient district of substantial deviation when low discharge runs like this, there is not energy-conservation phenomenon, but also will the application life of water pump be had influence on.So, some then installs auto-pneumatic cylinder on outlet pipe, and rely on the gas expansion of auto-pneumatic cylinder to realize the pressure water supply of low discharge termination of pumping, but there is many unsatisfactory problems such as leaking gas, tonifying Qi is inconvenient, take up room, long-time backwater affects hygienic quality, the life-span is short in auto-pneumatic cylinder, therefore, a kind of novel low discharge power save mode is developed very necessary.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, take up an area little, that efficient energy-saving, water supply quality are good intelligent direct-heating system wetting system.
The technical solution adopted for the present invention to solve the technical problems is: intelligent direct-heating system wetting system is primarily of steady flow compensator, negative pressure canceller, signal of water shortage transmitter, level sensor, low-capacity pump, main pump, flow detector and switch board composition, the integrated steady flow compensation chamber of described steady flow compensator and high-voltage energy storage chamber two parts, and between steady flow compensation chamber and high-voltage energy storage chamber, be provided with interior end socket separate, and interior end socket convex forms the part in steady flow compensation chamber, interior end socket concave panel forms the part in high-voltage energy storage chamber, steady flow compensation chamber is positioned at the side of steady flow compensator, negative pressure canceller is equiped with at steady flow compensation top of chamber, separately be provided with water inlet, signal of water shortage transmitter is equiped with bottom steady flow compensation chamber, separately be provided with delivery port, the opposite side of steady flow compensator is high-voltage energy storage chamber, level sensor is equiped with in high-voltage energy storage chamber, level sensor is prepared with the installing port being located at high-voltage energy storage top of chamber, also be provided with respiratory siphon at installing port place to be connected with high-voltage energy storage chamber, the other end of respiratory siphon is equipped with air filter and is in communication with the outside, flap valve one is housed after air filter, leak in order to prevent the air of inspiration, air filter and flap valve one are all equiped with in guard shield, guard shield is positioned at the top of level sensor, low discharge mouth is provided with bottom high-voltage energy storage chamber, the water inlet in steady flow compensation chamber is connected with tap water water inlet pipe, and on tap water water inlet pipe, be equiped with pressure detecting table one in the forward position water (flow) direction of water inlet successively, strainer and backflow preventer, the delivery port in steady flow compensation chamber connects distribution main, distribution main connects main pump, the outlet pipe of main pump connects outfall sewer, be transported to each water spot after outfall sewer is connected with flow detector again to supply water, outfall sewer is provided with pressure detecting table two, described main pump is 1 ~ 4 and is arranged in parallel, and flap valve six is all equiped with on the outlet pipe of every platform main pump, walk around main pump and flap valve six, bypass pipe is provided with between distribution main and outfall sewer, and on bypass pipe, be provided with flap valve five, after the flap valve five of bypass pipe, be provided with tube connector and high-voltage energy storage chamber filling pipe and outlet pipe are connected, the filling pipe in high-voltage energy storage chamber is connected with low discharge mouth by rill buret with the other end of outlet pipe, the filling pipe in described high-voltage energy storage chamber and outlet pipe are arranged in parallel between rill buret and tube connector, and on filling pipe, be provided with flap valve two along water (flow) direction, outlet pipe is provided with flap valve three, filling pipe after flap valve two is also equiped with electromagnetic valve one, rill buret is separately provided with gutter, and on gutter, be equiped with electromagnetic valve two, described distribution main also connects low discharge distribution pipe, low discharge distribution pipe is equiped with low-capacity pump, be provided with flap valve four after low-capacity pump to be connected with low discharge feed pipe, low discharge feed pipe is connected with bypass pipe by tube connector again.
Described switch board is used for distribution and Automated condtrol, and pressure detecting table one, signal of water shortage transmitter, electromagnetic valve one, electromagnetic valve two, low-capacity pump, main pump, flow detector are connected with switch board with cable respectively with pressure detecting table two.
Described electromagnetic valve one and electromagnetic valve two are interlocking control, electromagnetic valve two opens then electromagnetic valve one cut out, electromagnetic valve two cuts out, and electromagnetic valve one is opened, and electromagnetic valve two to open or close be that level sensor according in high-voltage energy storage chamber detects that different water level is controlled, but electromagnetic valve two is in closed condition in dead electricity or when having a power failure.
Described level sensor is provided with high water level point and low water stage point two control points, and wherein, high water level point is used for Controlling solenoid valve one and opens, and low water stage point is used for Controlling solenoid valve two and closes.Because the compressed air in high-voltage energy storage chamber and water directly touch, dissolve in water by there being the compressed air of trace, and extrude high-voltage energy storage chamber with current, for a long time the compressed air caused in high-voltage energy storage chamber is reduced gradually, in order to ensure the operation condition in high-voltage energy storage chamber, timing is needed to supplement air in high-voltage energy storage chamber, when the water level in high-voltage energy storage chamber to rise to due to compressed-air actuated minimizing level sensor setting high water level point and above time, electromagnetic valve one cuts out, draining opened by electromagnetic valve two, now, high-voltage energy storage chamber is supplemented from ambient inlet air by respiratory siphon, water level decreasing in high-voltage energy storage chamber, when level sensor detect its water level be in low water stage point and following time, electromagnetic valve two cuts out automatically, electromagnetic valve one is opened, thus automatically complete the tonifying Qi process in high-voltage energy storage chamber, with the nominal situation of the energy storage and regulating pondage that recover high-voltage energy storage chamber.Described nominal situation refers to that electromagnetic valve two cuts out, electromagnetic valve one is opened, water level in high-voltage energy storage chamber is in operating mode between the high water level point of level sensor setting and low water stage point.
Operating principle of the present invention is, negative pressure canceller is directly connected in series water supply for what control tap water water inlet pipe and steady flow compensation chamber without negative pressure, when the inflow of tap water water inlet pipe is not enough, water storage in steady flow compensation chamber supplement and water level starts to decline time, negative pressure canceller fills into air by automatically opening and eliminates negative pressure, treat that tap water inflow is sufficient, and after detecting steady flow compensation chamber full water, negative pressure canceller is automatically closed and is returned to and laminates water supply, namely ftercompction water supply is carried out to tap water water inlet pipe pressure, during normal work, by main pump frequency modulation water supply, simultaneously the high-voltage energy storage chamber of steady flow compensator is by the enough regulating pondage of filling pipe deposit, when the low discharge with water low peak period, when being detected that by flow detector flow is lower than setting small flow rate values, and when continuing 5s ~ 30s, system is by stopping main pump and enter main pump resting state, now by high-voltage energy storage chamber through rill buret, outlet pipe, tube connector, arrive bypass pipe again and carry out small flow pressure maintaining water supply, along with the regulating pondage in high-voltage energy storage chamber reduces, pressure of supply water reduces, when pressure detecting table two detects pressure of supply water lower than the minimum operating pressure set, low-capacity pump starts water supply automatically, now run low-capacity pump than main pump energy-saving and frequency-variable, after treating low discharge, when operation low-capacity pump can not meet the water supply requirement of water supply volume increase, system will automatically switch to main pump frequency modulation water supply state, low-capacity pump stops, so repeatedly, to reach energy-efficient effect.
Described low-capacity pump coordinates main pump to select 1, and preferred flow presses main pump flow 1/4 ~ 1/3, lift by main pump lift or lower than main pump lift 5% ~ 25%.
Described signal of water shortage transmitter is for the protection of main pump and low-capacity pump.When main pump or low-capacity pump work; due to the water shortage of tap water water inlet pipe; cause the water level decreasing in negative pressure canceller action and steady flow compensation chamber; when detecting below the water level decreasing in steady flow compensation chamber to the water level lower than the setting of signal of water shortage transmitter; system judges lack of water and by operating main pump or low-capacity pump stoppage protection and warning; time more than the lowest service pressure that the pressure recover of tap water water inlet pipe sets to pressure detecting table one, main pump automatically starts and recovers normal condition.
The invention has the beneficial effects as follows, steady flow compensator is divided into the two-chamber integrated morphology in steady flow compensation chamber and high-voltage energy storage chamber by the present invention, there is compact conformation, take up an area little, the advantage such as convenient for installation and maintenance, and tap water water inlet pipe pressure can not only be utilized energy-conservation, high-voltage energy storage chamber can also be utilized to realize small flow pressure maintaining and adopt low-capacity pump energy-conservation, thus expand the range of flow of energy saving water supply, even if also energy-efficient water supply effect can be reached when low discharge, can also increase the service life simultaneously, the Auto-drainage tonifying Qi after mistake gas of high-voltage energy storage chamber can avoid long backwater problem effectively, be conducive to hygienic quality.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, tap water water inlet pipe, 2, pressure detecting table one, 3, strainer, 4, backflow preventer, 5, negative pressure canceller, 6, steady flow compensator, 7, signal of water shortage transmitter, 8, respiratory siphon, 9, guard shield, 10, level sensor, 11, flap valve one, 12, air filter, 13, flap valve two, 14, rill buret, 15, electromagnetic valve one, 16, electromagnetic valve two, 17, low discharge distribution pipe, 18, low-capacity pump, 19, flap valve three, 20, flap valve four, 21, outlet pipe, 22, filling pipe, 23, low discharge feed pipe, 24, tube connector, 25, bypass pipe, 26, flap valve five, 27, distribution main, 28, main pump, 29, flap valve six, 30, outfall sewer, 31, flow detector, 32, pressure detecting table two, 33, cable, 34, switch board, 35, with water spot, 601, interior end socket, 602, steady flow compensation chamber, 603, high-voltage energy storage chamber, 604, delivery port, 605, water inlet, 606, installing port, 607, low discharge mouth, 1001, high water level point, 1002, low water stage point.
Detailed description of the invention
With regard to accompanying drawing 1, intelligent direct-heating system wetting system of the present invention is described in detail below below.
As shown in Figure 1, intelligent direct-heating system wetting system of the present invention is primarily of steady flow compensator 6, negative pressure canceller 5, signal of water shortage transmitter 7, level sensor 10, low-capacity pump 18, main pump 28, flow detector 31 and switch board 34 form, the integrated steady flow compensation chamber 602 of described steady flow compensator 6 and high-voltage energy storage chamber 603 two parts, and between steady flow compensation chamber 602 and high-voltage energy storage chamber 603, be provided with interior end socket 601 separate, and interior end socket 601 convex forms the part in steady flow compensation chamber 602, interior end socket 601 concave panel forms the part in high-voltage energy storage chamber 603, steady flow compensation chamber 602 is positioned at the side of steady flow compensator 6, negative pressure canceller 5 is equiped with at top, steady flow compensation chamber 602, separately be provided with water inlet 605, signal of water shortage transmitter 7 is equiped with bottom steady flow compensation chamber 602, separately be provided with delivery port 604, the opposite side of steady flow compensator 6 is high-voltage energy storage chamber 603, level sensor 10 is equiped with in high-voltage energy storage chamber 603, level sensor 10 is prepared with the installing port 606 being located at top, high-voltage energy storage chamber 603, also be provided with respiratory siphon 8 at installing port 606 place to be connected with high-voltage energy storage chamber 603, the other end of respiratory siphon 8 is equipped with air filter 12 and is in communication with the outside, after air filter 12, flap valve 1 is housed, leak in order to prevent the air of inspiration, air filter 12 and flap valve 1 are all equiped with in guard shield 9, guard shield 9 is positioned at the top of level sensor 10, low discharge mouth 607 is provided with bottom high-voltage energy storage chamber 603, the water inlet 605 in steady flow compensation chamber 602 is connected with tap water water inlet pipe 1, and on tap water water inlet pipe 1, be equiped with pressure detecting table one 2 in the forward position water (flow) direction of water inlet 605 successively, strainer 3 and backflow preventer 4, the delivery port 604 in steady flow compensation chamber 602 connects distribution main 27, distribution main 27 connects main pump 28, the outlet pipe of main pump 28 connects outfall sewer 30, outfall sewer 30 is transported to each water spot 35 and supplies water after being connected with flow detector 31 again, outfall sewer 30 is provided with pressure detecting table two 32, described main pump 28 is 1 ~ 4 and is arranged in parallel, and flap valve 6 29 is all equiped with on the outlet pipe of every platform main pump 28, walk around main pump 28 and flap valve 6 29, bypass pipe 25 is provided with between distribution main 27 and outfall sewer 30, and flap valve 5 26 is provided with on bypass pipe 25, after the flap valve 5 26 of bypass pipe 25, be provided with tube connector 24 and high-voltage energy storage chamber 603 filling pipe 22 and outlet pipe 21 are connected, the filling pipe 22 in high-voltage energy storage chamber 603 is connected with low discharge mouth 607 by rill buret 14 with the other end of outlet pipe 21, the filling pipe 22 in described high-voltage energy storage chamber 603 and outlet pipe 21 are arranged in parallel between rill buret 14 and tube connector 24, and on filling pipe 22, be provided with flap valve 2 13 along water (flow) direction, outlet pipe 21 is provided with flap valve 3 19, filling pipe 22 after flap valve 2 13 is also equiped with electromagnetic valve 1, rill buret 14 is separately provided with gutter, and on gutter, be equiped with electromagnetic valve 2 16, described distribution main 27 also connects low discharge distribution pipe 17, low discharge distribution pipe 17 is equiped with low-capacity pump 18, be provided with flap valve 4 20 after low-capacity pump 18 to be connected with low discharge feed pipe 23, low discharge feed pipe 23 is connected with bypass pipe 25 by tube connector 24 again.
Described switch board 34 is for distribution and Automated condtrol, and pressure detecting table one 2, signal of water shortage transmitter 7, electromagnetic valve 1, electromagnetic valve 2 16, low-capacity pump 18, main pump 28, flow detector 31 and pressure detecting table two 32 are connected with switch board 34 with cable 33 respectively.
Described electromagnetic valve 1 and electromagnetic valve 2 16 are interlocking control, electromagnetic valve 2 16 opens then electromagnetic valve 1 and cuts out, electromagnetic valve 2 16 cuts out, and electromagnetic valve 1 is opened, and electromagnetic valve 2 16 to open or close be that level sensor 10 according in high-voltage energy storage chamber 603 detects that different water level is controlled, but electromagnetic valve 2 16 is in closed condition in dead electricity or when having a power failure.
Described level sensor 10 is provided with high water level point 1001 and low water stage point 1,002 two control points, and wherein, high water level point 1001 is opened for Controlling solenoid valve 1, and low water stage point 1002 is closed for Controlling solenoid valve 2 16.Because the compressed air in high-voltage energy storage chamber 603 and water directly touch, dissolve in water by there being the compressed air of trace, and extrude high-voltage energy storage chamber 603 with current, for a long time the compressed air caused in high-voltage energy storage chamber 603 is reduced gradually, in order to ensure the operation condition in high-voltage energy storage chamber 603, timing is needed to supplement air in high-voltage energy storage chamber 603, when the water level in high-voltage energy storage chamber 603 to rise to high water level point 1001 that level sensor 10 sets and is above due to compressed-air actuated minimizing, electromagnetic valve 1 cuts out, draining opened by electromagnetic valve 2 16, now, high-voltage energy storage chamber 603 is supplemented from ambient inlet air by respiratory siphon 8, water level decreasing in high-voltage energy storage chamber 603, when level sensor 10 detect its water level be in low water stage point 1002 and following time, electromagnetic valve 2 16 cuts out automatically, electromagnetic valve 1 is opened, thus automatically complete the tonifying Qi process in high-voltage energy storage chamber 603, with the nominal situation of the energy storage and regulating pondage that recover high-voltage energy storage chamber 603.Described nominal situation refers to that electromagnetic valve 2 16 cuts out, electromagnetic valve 1 opens, water level in high-voltage energy storage chamber 603 is in the operating mode between high water level point 1001 and low water stage point 1002 that level sensor 10 sets.
Operating principle of the present invention is, negative pressure canceller 5 is directly connected in series water supply for what control tap water water inlet pipe 1 and steady flow compensation chamber 602 without negative pressure, when the inflow of tap water water inlet pipe 1 is not enough, water storage in steady flow compensation chamber 602 supplement and water level starts to decline time, negative pressure canceller 5 fills into air by automatically opening and eliminates negative pressure, treat that tap water inflow is sufficient, and after detecting steady flow compensation chamber 602 full water, negative pressure canceller 5 is automatically closed and is returned to and laminates water supply, namely ftercompction water supply is carried out to tap water water inlet pipe 1 pressure, during normal work, by main pump 28 frequency modulation water supply, enough regulating pondages are laid in by filling pipe 22 in the high-voltage energy storage chamber 603 of steady flow compensator 6 simultaneously, when the low discharge with water low peak period, when being detected that by flow detector 31 flow is lower than setting small flow rate values, and when continuing 5s ~ 30s, system is by stopping main pump 28 and enter main pump 28 resting state, now by high-voltage energy storage chamber 603 through rill buret 14, outlet pipe 21, tube connector 24, arrive bypass pipe 25 again and carry out small flow pressure maintaining water supply, along with the regulating pondage in high-voltage energy storage chamber 603 reduces, pressure of supply water reduces, when pressure detecting table two 32 detects pressure of supply water lower than the minimum operating pressure set, low-capacity pump 18 starts water supply automatically, now run low-capacity pump 18 than main pump 28 energy-saving and frequency-variable, after treating low discharge, when operation low-capacity pump 18 can not meet the water supply requirement of water supply volume increase, system will automatically switch to main pump 28 frequency modulation water supply state, low-capacity pump 18 stops, so repeatedly, to reach energy-efficient effect.
Described low-capacity pump 18 coordinates main pump 28 to select 1, and preferred flow presses main pump 28 flow 1/4 ~ 1/3, lift by main pump 28 lift or lower than main pump 28 lift 5% ~ 25%.
Described signal of water shortage transmitter 7 is for the protection of main pump 28 and low-capacity pump 18.When main pump 28 or low-capacity pump 18 work; due to the water shortage of tap water water inlet pipe 1; cause the water level decreasing in negative pressure canceller 5 action and steady flow compensation chamber 602; when detecting below the water level decreasing in steady flow compensation chamber 602 to the water level set lower than signal of water shortage transmitter 7; system judges lack of water and by operating main pump 28 or low-capacity pump 18 stoppage protection and warning; time more than the lowest service pressure that the pressure recover of tap water water inlet pipe 1 sets to pressure detecting table one 2, main pump 28 automatically starts and recovers normal condition.
Claims (8)
1. an intelligent direct-heating system wetting system is primarily of steady flow compensator, negative pressure canceller, signal of water shortage transmitter, level sensor, low-capacity pump, main pump, flow detector and switch board composition, it is characterized in that, the integrated steady flow compensation chamber of described steady flow compensator and high-voltage energy storage chamber two parts, negative pressure canceller is equiped with at steady flow compensation top of chamber, separately be provided with water inlet, signal of water shortage transmitter is equiped with bottom steady flow compensation chamber, separately be provided with delivery port, low discharge mouth is provided with bottom high-voltage energy storage chamber, the water inlet in steady flow compensation chamber is connected with tap water water inlet pipe, the delivery port in steady flow compensation chamber connects distribution main, distribution main connects main pump, the outlet pipe of main pump connects outfall sewer, be transported to each water spot after outfall sewer is connected with flow detector again to supply water, the outlet pipe of main pump is provided with flap valve six, walk around main pump and flap valve six, bypass pipe is provided with between distribution main and outfall sewer, and on bypass pipe, be provided with flap valve five, after the flap valve five of bypass pipe, be provided with tube connector and high-voltage energy storage chamber filling pipe and outlet pipe are connected, the filling pipe in high-voltage energy storage chamber is connected with low discharge mouth by rill buret with the other end of outlet pipe, described distribution main also connects low discharge distribution pipe, low discharge distribution pipe is equiped with low-capacity pump, be provided with flap valve four after low-capacity pump to be connected with low discharge feed pipe, low discharge feed pipe is connected with bypass pipe by tube connector again.
2. intelligent direct-heating system wetting system according to claim 1, it is characterized in that, between steady flow compensation chamber and high-voltage energy storage chamber, be provided with interior end socket separate, and the part that interior end socket convex forms the part in steady flow compensation chamber, interior end socket concave panel forms high-voltage energy storage chamber.
3. intelligent direct-heating system wetting system according to claim 1, it is characterized in that, the filling pipe in described high-voltage energy storage chamber and outlet pipe are arranged in parallel between rill buret and tube connector, and be provided with on filling pipe on flap valve two, outlet pipe along water (flow) direction and be provided with flap valve three, filling pipe after flap valve two is also equiped with electromagnetic valve one, rill buret is separately provided with gutter, and on gutter, is equiped with electromagnetic valve two.
4. intelligent direct-heating system wetting system according to claim 1, it is characterized in that, level sensor is equiped with in high-voltage energy storage chamber, level sensor is prepared with the installing port being located at high-voltage energy storage top of chamber, also be provided with respiratory siphon at installing port place to be connected with high-voltage energy storage chamber, the other end of respiratory siphon is equipped with air filter and is in communication with the outside, and flap valve one is housed after air filter.
5. intelligent direct-heating system wetting system according to claim 4, is characterized in that, air filter and flap valve one are all equiped with in guard shield, and guard shield is positioned at the top of level sensor.
6. intelligent direct-heating system wetting system according to claim 1, is characterized in that, tap water water inlet pipe is equiped with pressure detecting table one, strainer and backflow preventer successively along water (flow) direction.
7. intelligent direct-heating system wetting system according to claim 1, is characterized in that, outfall sewer is provided with pressure detecting table two.
8. intelligent direct-heating system wetting system according to claim 1, is characterized in that, described main pump is 1 ~ 4 and is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575329.0A CN104846932A (en) | 2014-10-25 | 2014-10-25 | Intelligent direct connection water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575329.0A CN104846932A (en) | 2014-10-25 | 2014-10-25 | Intelligent direct connection water supply device |
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| Publication Number | Publication Date |
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| CN104846932A true CN104846932A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410575329.0A Pending CN104846932A (en) | 2014-10-25 | 2014-10-25 | Intelligent direct connection water supply device |
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| CN (1) | CN104846932A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484321A (en) * | 2015-11-19 | 2016-04-13 | 陈世宝 | Negative-pressure-free water supply equipment |
| CN106049614A (en) * | 2016-07-20 | 2016-10-26 | 威乐(中国)水泵***有限公司 | Air-bag-based dual-cavity supercharging steady-flow tank |
-
2014
- 2014-10-25 CN CN201410575329.0A patent/CN104846932A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484321A (en) * | 2015-11-19 | 2016-04-13 | 陈世宝 | Negative-pressure-free water supply equipment |
| CN106049614A (en) * | 2016-07-20 | 2016-10-26 | 威乐(中国)水泵***有限公司 | Air-bag-based dual-cavity supercharging steady-flow tank |
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Application publication date: 20150819 |
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