CN205259274U - Full variable frequency constant pressure water supply equipment - Google Patents
Full variable frequency constant pressure water supply equipment Download PDFInfo
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- CN205259274U CN205259274U CN201521086444.8U CN201521086444U CN205259274U CN 205259274 U CN205259274 U CN 205259274U CN 201521086444 U CN201521086444 U CN 201521086444U CN 205259274 U CN205259274 U CN 205259274U
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Abstract
The utility model relates to a full variable frequency constant pressure water supply equipment, including cistern (4), water inlet manifold (11), user's pipe network (10), a water pump, frequency -variable controller and pressure sensor, water inlet manifold (11) through equipment intake main valve (5) be connected with cistern (4), be equipped with low level sensor (6) on water inlet manifold (11), low level sensor (6) are through line connection frequency -variable controller, frequency -variable controller installs in the terminal box of water pump, and pass through the line connection with the water pump, atmospheric pressure jar (7) are equipped with on user's pipe network (10), water control valve (9) and pressure sensor, frequency -variable controller passes through circuit connection pressure sensor and low level sensor (6) respectively, compared with the prior art, the utility model, all dispose a frequency -variable controller through every water pump to at least, join in marriage two pressure sensor, it is normal in order to ensure the pressure feedback, adopt advance communication technology simultaneously, realized full frequency conversion intelligent control.
Description
[technical field]
The utility model relates to constant pressure water supply equipment technical field, specifically a kind of full constant pressure water supplyEquipment.
[background technology]
Because constant voltage device need be joined cistern, cannot avoid the secondary pollution of water quality, but its advantage is to have necessarilyWater-holding capacity, even if tap water cut-off also can continue to supply water until retaining is finished. The control of conventional constant voltage deviceSystem all needs to configure a frequency converter, changeable water supply controller or PLC, a pressure sensor. According at presentService condition, mainly have the following disadvantages: in the time that frequency converter in use procedure breaks down or damages,Equipment cannot normally start or constant voltage; After controller breaks down, system also will directly be shut down, cannotSupply water; And in the time that pressure sensor damages, danger out of control can occur equipment, even may cause pressurePower is too high, damages pipeline or other accessories.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and provide a kind of full constant pressure water supply to establishStandby, all configure a frequency-variable controller by every water pump, and at least join two pressure sensors, to guaranteePressure feedback is normal, adopts advanced mechanics of communication simultaneously, has realized full frequency conversion intelligent control.
A kind of full constant pressure water supply equipment of design, comprises cistern 4, water inlet manifold for achieving the above object11, user's pipe network 10, water pump, frequency-variable controller and pressure sensor, described water inlet manifold 11 passes through equipmentWater inlet main valve 5 is connected with cistern 4, and described water inlet manifold 11 is provided with low water level sensor 6, described lowLevel sensor 6 is by connection frequency-variable controller, and described frequency-variable controller is arranged on the terminal box of water pumpUpper, and pass through connection with water pump, air pressure tank 7, outlet water control valve 9 are housed on described user's pipe network 10And pressure sensor, described frequency-variable controller is distinguished Bonding pressure sensor and low water level sensor by circuit6。
Also comprise LCD display case 1, on described LCD display case 1, be provided with man-machine interface 12, described frequency conversionController is by the button control zone in connection man-machine interface 12.
Described water pump, frequency-variable controller are respectively arranged with at least two, and described water pump passes through circuit each otherBe connected in parallel between water inlet manifold 11 and user's pipe network 10, each water pump has change by connection respectivelyFrequently controller, described frequency-variable controller is connected in parallel by circuit each other.
Described pressure sensor is provided with two, and described pressure sensor comprises pressure sensor one 8a and pressureSensor two 8b, described pressure sensor one 8a and pressure sensor two 8b are connected in parallel, described water pump,Frequency-variable controller is respectively arranged with three, and described water pump comprises water pump one 3a, water pump two 3b and water pump three 3c,Described frequency-variable controller comprises frequency-variable controller one 2a, frequency-variable controller two 2b and frequency-variable controller three 2c,Described frequency-variable controller one 2a, frequency-variable controller two 2b, frequency-variable controller three 2c install respectively and are connected inAbove, described pressure sensor one 8a is by connection frequency conversion for water pump one 3a, water pump two 3b, water pump three 3cController one 2a, described pressure sensor two 8b are by connection frequency-variable controller two 2b.
On described user's pipe network 10, be provided with draining valve 13, described draining valve 13 is connected with drainage pipeline.
Compared with the existing technology, tool has the following advantages the utility model:
(1) all configure a frequency-variable controller by every water pump, and at least join two pressure sensors, withGuarantee that pressure feedback is normal, adopt advanced mechanics of communication simultaneously, realized full frequency conversion intelligent control;
(2) equipment is directly from cistern water intaking, when installation outlet pipe directly with equipment interconnection, construct simpleFolk prescription just, the cycle is short, and because frequency-variable controller is arranged on water pump, floor space is less;
(3) every frequency-variable controller is realized service data by communication modes and is shared, and the on off control of each pump is equalBy Communication Control, the components and parts controls such as whole control procedure no contact, greatly reduce system failure rate,And when many pumps are worked, controller can be shared out equally from efficiency of movement simultaneously, make the operating frequency of every pump identical,And frequency conversion simultaneously, make every water pump all be operated in efficient district, reach energy-conservation object;
(4) by two pressure sensors of configuration, acquiescence is arranged on respectively on No. 1, No. 2 controllers, fromAnd automatically read the pressure that No. 1 controller gathers while normally moving, when No. 1 controller failure or damage or biographyWhen sensor damages, control system switches to pressure feedback signal No. 2 controller collections automatically, has promotedThe security that Whole Equipment uses.
[brief description of the drawings]
Fig. 1 is structural representation of the present utility model;
In figure: 1, LCD display case 2a, frequency-variable controller one 2b, frequency-variable controller two 2c, frequency conversionController three 3a, water pump one 3b, water pump two 3c, water pump 34, cistern 5, equipment water inletMain valve 6, low water level sensor 7, air pressure tank 8a, pressure sensor one 8b, pressure sensor 29,Outlet water control valve 10, user's pipe network 11, water inlet manifold 12, man-machine interface 13, draining valve.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the utility model is done to following further illustrating:
As shown in Figure 1, the utility model comprises: cistern 4, water inlet manifold 11, user's pipe network 10,Water pump, frequency-variable controller and pressure sensor, water inlet manifold 11 is by equipment intake main valve 5 and cistern 4Connect, water inlet manifold 11 is provided with low water level sensor 6, and low water level sensor 6 is by connection frequency conversionController, frequency-variable controller is arranged in the terminal box of water pump, and passes through connection, Yong Huguan with water pumpAir pressure tank 7, outlet water control valve 9 and pressure sensor are housed on net 10, and frequency-variable controller is distinguished by circuitBonding pressure sensor and low water level sensor 6.
The utility model also comprises LCD display case 1, is provided with man-machine interface 12, frequency conversion on LCD display case 1Controller is by the button control zone in connection man-machine interface 12; On user's pipe network 10, be provided with drainingValve 13, draining valve 13 is connected with drainage pipeline; Water pump, frequency-variable controller are respectively arranged with at least two, waterPump is connected in parallel between water inlet manifold 11 and user's pipe network 10 by circuit each other, and each water pump dividesDo not have frequency-variable controller by connection, frequency-variable controller is connected in parallel by circuit each other; PressureSensor setting has two, and pressure sensor comprises pressure sensor one 8a and pressure sensor two 8b, pressureSensor one 8a and pressure sensor two 8b are connected in parallel, and water pump, frequency-variable controller are respectively arranged with three,Water pump comprises water pump one 3a, water pump two 3b and water pump three 3c, frequency-variable controller comprise frequency-variable controller one 2a,Frequency-variable controller two 2b and frequency-variable controller three 2c, frequency-variable controller one 2a, frequency-variable controller two 2b, changeFrequently controller three 2c install respectively and are connected in water pump one 3a, water pump two 3b, water pump three 3c are upper, and pressure passesSensor one 8a is by connection frequency-variable controller one 2a, and pressure sensor two 8b are by connection frequency conversionController two 2b.
In the utility model, equipment connects with cistern by the equipment main valve of intaking, and establishes low water on water inlet manifoldLevel sensor, low water level sensor directly accesses frequency-variable controller control, in user pipe, be equipped with air pressure tank,Outlet water control valve and pressure sensor, pressure sensor directly accesses frequency-variable controller, and frequency-variable controller is directBe arranged in water pump terminal box, between each frequency-variable controller, connect by connection, realize data sharing, becomeFrequently controller directly reads user's pipe network actual pressure, controls water pump operation, reaches the object of constant voltage.
Operation principle of the present utility model is: when running water enters cistern, treat that cistern water level is higher than low waterWhen level sensor, meet entry condition, frequency converter controller detects the reality in user's pipe network by sensorPressure, the setting pressure comparison that actual pressure and user are required; As when the water use peak, actual pressure is less thanSetting pressure, frequency-variable controller sends startup command, automatically opens water pump one, and automatically controlled water pump one rotating speed is straightReach 50Hz, as pressure does not still reach setting pressure, frequency-variable controller delayed startup water pump two, works as realityWhen pressure progressively reaches setting pressure, two frequency-variable controllers automatically enter efficiency and share out equally pattern, simultaneouslyFrequency conversion reaches energy-conservation object; After water use peak, running frequency slowly reduces, last frequency-variable controllerSend and subtract pump signal, automatically cut the water pump one first starting; When one of them pressure sensor failure or damage,Frequency-variable controller automatic switchover standby pressure sensor, if reduce because tap water cut-off causes cistern liquid level,Low water level sensor provides stopping signal, to protect water pump assembly.
The utility model is not subject to the restriction of above-mentioned embodiment, and it is of the present utility model that other any do not deviate fromThe change done under Spirit Essence and principle, modification, substitute, combination, simplify, all should be equivalent displacementMode, within being included in protection domain of the present utility model.
Claims (5)
1. a full constant pressure water supply equipment, is characterized in that: comprise cistern (4), water inlet manifold (11),User's pipe network (10), water pump, frequency-variable controller and pressure sensor, described water inlet manifold (11) passes throughEquipment water inlet main valve (5) is connected with cistern (4), and described water inlet manifold (11) is provided with low water levelSensor (6), described low water level sensor (6) is by connection frequency-variable controller, described frequency conversion controlDevice processed is arranged in the terminal box of water pump, and passes through connection, described user's pipe network (10) with water pumpOn air pressure tank (7), outlet water control valve (9) and pressure sensor are housed, described frequency-variable controller passes through lineRoad is Bonding pressure sensor and low water level sensor (6) respectively.
2. full constant pressure water supply equipment as claimed in claim 1, is characterized in that: also comprise LCD display case (1),On described LCD display case (1), be provided with man-machine interface (12), described frequency-variable controller connects by circuitConnect the button control zone in man-machine interface (12).
3. as the full constant pressure water supply equipment of claim 1 or 2, it is characterized in that: described water pump, frequency conversion controlDevice processed is respectively arranged with at least two, and described water pump is connected in water inlet manifold in parallel by circuit each other(11) and between user's pipe network (10), each water pump has frequency-variable controller by connection respectively,Described frequency-variable controller is connected in parallel by circuit each other.
4. full constant pressure water supply equipment as claimed in claim 3, is characterized in that: described pressure sensor is provided withTwo, described pressure sensor comprises pressure sensor one (8a) and pressure sensor two (8b), described inPressure sensor one (8a) is connected in parallel with pressure sensor two (8b), described water pump, VFCDevice is respectively arranged with three, and described water pump comprises water pump one (3a), water pump two (3b) and water pump three (3c),Described frequency-variable controller comprises frequency-variable controller one (2a), frequency-variable controller two (2b) and frequency-variable controllerThree (2c), described frequency-variable controller one (2a), frequency-variable controller two (2b), frequency-variable controller three (2c)Install respectively and be connected in water pump one (3a), water pump two (3b), water pump three (3c) above, described pressureSensor one (8a) is by connection frequency-variable controller one (2a), described pressure sensor two (8b)By connection frequency-variable controller two (2b).
5. full constant pressure water supply equipment as claimed in claim 4, is characterized in that: on described user's pipe network (10)Be provided with draining valve (13), described draining valve (13) is connected with drainage pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521086444.8U CN205259274U (en) | 2015-12-22 | 2015-12-22 | Full variable frequency constant pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521086444.8U CN205259274U (en) | 2015-12-22 | 2015-12-22 | Full variable frequency constant pressure water supply equipment |
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| Publication Number | Publication Date |
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| CN205259274U true CN205259274U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521086444.8U Active CN205259274U (en) | 2015-12-22 | 2015-12-22 | Full variable frequency constant pressure water supply equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223397A (en) * | 2016-08-26 | 2016-12-14 | 中科合肥微小型燃气轮机研究院有限责任公司 | Economical gas turbine testing stand waterworks for firefighting |
| CN110701018A (en) * | 2019-09-18 | 2020-01-17 | 钟灵宪 | Digital integrated full-frequency-conversion multi-sensor intelligent water system |
-
2015
- 2015-12-22 CN CN201521086444.8U patent/CN205259274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223397A (en) * | 2016-08-26 | 2016-12-14 | 中科合肥微小型燃气轮机研究院有限责任公司 | Economical gas turbine testing stand waterworks for firefighting |
| CN110701018A (en) * | 2019-09-18 | 2020-01-17 | 钟灵宪 | Digital integrated full-frequency-conversion multi-sensor intelligent water system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |