CN201071520Y - Non-air pollution limited-pressure water-taking and constant-pressure water-supplying device - Google Patents
Non-air pollution limited-pressure water-taking and constant-pressure water-supplying device Download PDFInfo
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- CN201071520Y CN201071520Y CNU2007201042026U CN200720104202U CN201071520Y CN 201071520 Y CN201071520 Y CN 201071520Y CN U2007201042026 U CNU2007201042026 U CN U2007201042026U CN 200720104202 U CN200720104202 U CN 200720104202U CN 201071520 Y CN201071520 Y CN 201071520Y
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- water
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- valve
- water pump
- electromagnetic valve
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Abstract
The utility model belongs to a direct type constant pressure water supply device, consisting of a water intake pressure sensor, a stop valve, a water pump, a check valve, a water supply pressure sensor, a water storage electromagnetic valve, a water replenishing electromagnetic valve, a sack type water storage pot, a sack type pressure regulation pot, a positive and negative feedback pressure controller and an electric control cabinet; wherein, a water intake pipe is connected with the check valve; the stop valve is connected with the inlet of the water pump the outlet of the water pump is connected with the check valve and the stop valve; the sack type pressure regulation pot is connected with a water supply pipe; the sack type water storage pot is connected with the water storage electromagnetic valve and the water supply pipe; the sack type water storage pot is connected with the water replenishing electromagnetic valve; and the check valve is connected with the water intake pipe. The water intake sensor is arranged on the water intake pipe, the water supply pressure sensor is arranged on the water supply pipe. The device adopts the sack type water storage pot to store water in the outlet direction of the water pump and adopts the sack type water storage pot to replenish water in the inlet direction of the water pump. On the premise of the water intake pressure limit for a user, the utility model fully utilizes the remaining pressure of a pipe net, achieves direct water intake and constant pressure water supply, and the balance of the operation pressure of tap water pipe net and reduces energy consumption.
Description
Technical field
The utility model is a kind of direct-type constant pressure water supply equipment, the user can make full use of the pipe network overbottom pressure, reduces running cost, avoids secondary pollution, especially water undertaking's limited subscriber water intaking pressure is realized pipe network running pressure equilibrium, energy-saving and cost-reducing, the technological means that improves reliability of water supply.
Background technology
The relation between supply and demand of water undertaking and water unit is depended in the application of direct-type water supply installation, is the product of water supply capacity greater than demand.From the sole user, the use of direct-type water supply installation is no problem, but use this water supply installation in a certain regional centralized, will the operation of pipe network be impacted, water undertaking can only accomplish not have negative pressure (communicating with atmosphere) to the pressure limit of direct water intaking at present.The direct water supply installation of existing no negative-pressure type, embodied the design concept of energy-conserving and environment-protective, it is energy-saving and cost-reducing to utilize the pipe network overbottom pressure to realize, but can not fundamentally solve secondary pollution problem, more can not provide technological means for the equilibrium of water undertaking's limited subscriber water intaking pressure, realization pipe network running pressure.
Summary of the invention
For overcome existing no negative-pressure type direct-type constant pressure water supply equipment on the pressure of fetching water limitation and the deficiency aspect the secondary pollution, the utility model provides a kind of no air pollution pressure limiting water intaking constant pressure water supply equipment, this device adopts the retaining of exit of pump direction capsule formula water tank, the water pump importer is to the moisturizing of capsule formula water tank, under the prerequisite of limited subscriber water intaking pressure (being not only no negative pressure), make full use of the pipe network overbottom pressure, realize directly water intaking constant pressure water supply, and by being uploaded to the water intaking pressure data of control centre, dynamically set user's pressure of fetching water, the operating pressure of science scheduling pipe network.Under the prerequisite that guarantees the pipe network running pressure equilibrium, cut down the consumption of energy.
The utility model is by flap valve 2, water intaking pressure sensor 3, stop valve 4, water pump 5, stop valve 6, flap valve 7, pressure of supply water sensor 8, flap valve 9, retaining electromagnetic valve 10, moisturizing electromagnetic valve 11, capsule formula water tank 12, capsule formula vacuum tank 13, positive and negative feedback pressure controller 15, electrical control cabinet 16 (comprising frequency converter and associated electrical device) is formed, intake pipe connects flap valve, stop valve and water pump import link, exit of pump connects stop valve, flap valve, capsule formula vacuum tank and feed pipe link, capsule formula water tank connects the retaining electromagnetic valve and feed pipe links, and capsule formula water tank connects the moisturizing electromagnetic valve, flap valve and intake pipe link.The water intaking pressure sensor is installed on the intake pipe, and the pressure of supply water sensor is installed on the feed pipe.
Positive and negative feedback pressure controller 15 limited subscribers water intaking pressure (being not only no negative pressure), retaining electromagnetic valve 10 control capsule formula water tanks 12 retainings by being positioned at water pump 5 Way outs, by be positioned at water pump 5 importers to 12 moisturizings of moisturizing electromagnetic valve 11 control capsule formula water tanks.Capsule formula water tank 12 also can be installed on water pump 5 importers to, do not link with water pump 5 Way outs, this moment retaining electromagnetic valve 10, moisturizing electromagnetic valve 11 and flap valve 9 need not be installed.
When device start operation, positive and negative feedback pressure controller detects intake pipe pressure and feed pipe pressure by water intaking pressure sensor and pressure of supply water sensor.
If intake pipe pressure is greater than the water intaking pressure set points, positive and negative feedback pressure controller is worked with the negative-feedback pattern: this moment, positive and negative feedback pressure controller was a desired value with the pressure of supply water setting value, if pressure of supply water sets value greater than pressure of supply water, positive and negative feedback pressure controller slows down by the current variable frequency pump of Frequency Converter Control, shut down up to water pump, then next water pump of Frequency Converter Control is shut down up to water pump, by that analogy, to shutting down to a last water pump; Otherwise, positive and negative feedback pressure controller is controlled current variable frequency pump and is quickened, up to water pump incision power frequency operation, then next water pump of Frequency Converter Control quickens, up to water pump incision power frequency operation, by that analogy, to last water pump incision power frequency operation, the constant pressure on the feed pipe is set value at pressure of supply water.
During the negative-feedback mode operation, take water ebb time opening retaining electromagnetism, capsule formula water tank is realized retaining, and all the other times, the retaining electromagnetic valve is in closed condition, and capsule formula water tank stops retaining.
If intake pipe pressure is less than the water intaking pressure set points, positive and negative feedback pressure controller is worked with the positive feedback pattern: this moment, positive and negative feedback pressure controller was a desired value with the water intaking pressure set points, if water intaking pressure is less than the water intaking pressure set points, positive and negative feedback pressure controller slows down by the current variable frequency pump of Frequency Converter Control, shut down until water pump, then next water pump of Frequency Converter Control slows down, and shuts down up to water pump, by that analogy, to shutting down to a last water pump; Otherwise, positive and negative feedback pressure controller is controlled current variable frequency pump and is quickened, up to water pump incision power frequency operation, then next water pump of Frequency Converter Control quickens, up to water pump incision power frequency operation, by that analogy, to cutting power frequency operation to a last water pump, in the water pump accelerator, if the pressure of feed pipe sets value greater than pressure of supply water, positive and negative feedback pressure controller is worked with the negative-feedback pattern.
During the positive feedback mode operation, open the moisturizing electromagnetic valve, capsule formula water tank and intake pipe supply water to the user by feed pipe through water pump jointly, when positive and negative feedback pressure controller is worked with the negative-feedback pattern, close the moisturizing electromagnetic valve.
The setting value of water intaking pressure is set by water undertaking's Remote Dynamic, perhaps sets by password is on-the-spot.
The beneficial effects of the utility model are, a kind of no air pollution pressure limiting water intaking constant pressure water supply equipment is provided, this device adopts the retaining of exit of pump direction capsule formula water tank, the water pump importer is to the moisturizing of capsule formula water tank, under the prerequisite of limited subscriber water intaking pressure (being not only no negative pressure), make full use of the pipe network overbottom pressure, realize directly water intaking constant pressure water supply.By water undertaking's long-range setting water intaking pressure, perhaps, under the prerequisite that guarantees the pipe network running pressure equilibrium, cut down the consumption of energy by the on-the-spot water intaking pressure of setting of password.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Among Fig. 1: 1. intake pipe, 2. flap valve, 3. water intaking pressure sensor, 4. stop valve, 5. water pump, 6. stop valve, 7. flap valve, 8. pressure of supply water sensor, 9. flap valve, 10. retaining electromagnetic valve, 11. moisturizing electromagnetic valves, 12. capsule formula water tanks, 13. capsule formula vacuum tank, 14. feed pipe, 15. positive and negative feedback pressure controllers, 16. electrical control cabinets.
The specific embodiment
In Fig. 1, intake pipe 1 connects flap valve 2, stop valve 4 links with water pump 5 imports, water pump 5 outlets connect stop valve 6, flap valve 7, capsule formula vacuum tank 13 and feed pipe 14 and link, capsule formula water tank 12 connects retaining electromagnetic valve 10 and links with feed pipe 14, and capsule formula water tank 12 connects moisturizing electromagnetic valve 11, flap valve 9 links with intake pipe 1.Water intaking pressure sensor 3 is installed on the intake pipe 1, and pressure of supply water sensor 8 is installed on the feed pipe 14.
Positive and negative feedback pressure controller 15 limited subscribers water intaking pressure (being not only no negative pressure), retaining electromagnetic valve 10 control capsule formula water tanks 12 retainings by being positioned at water pump 5 Way outs, by be positioned at water pump 5 importers to 12 moisturizings of moisturizing electromagnetic valve 11 control capsule formula water tanks.Capsule formula water tank 12 also can be installed on water pump 5 importers to, do not link with water pump 5 Way outs, this moment retaining electromagnetic valve 10, moisturizing electromagnetic valve 11 and flap valve 9 need not be installed.
When device start operation, positive and negative feedback pressure controller 15 detects intake pipe 1 pressure and feed pipe 14 pressure by water intaking pressure sensor 3 and pressure of supply water sensor 8.
If the pressure of intake pipe 1 is greater than the water intaking pressure set points, positive and negative feedback pressure controller 15 is worked with the negative-feedback pattern: this moment, positive and negative feedback pressure controller 15 was a desired value with the pressure of supply water setting value, if pressure of supply water sets value greater than pressure of supply water, positive and negative feedback pressure controller 15 slows down by the current variable frequency pump 5 of Frequency Converter Control, shut down up to water pump 5, then next water pump 5 of Frequency Converter Control slows down, and shuts down up to water pump 5, by that analogy, to shutting down to a last water pump 5; Otherwise, the current variable frequency pump 5 of positive and negative feedback pressure controller 15 controls quickens, up to water pump 5 incision power frequency operations, then next water pump 5 of Frequency Converter Control quickens, up to water pump 5 incision power frequency operations, by that analogy, to a last water pump 5 incision power frequency operations, the constant pressure on the feed pipe 14 is set value at pressure of supply water.
During the negative-feedback mode operation, take water ebb time opening retaining electromagnetism 10, capsule formula water tank 12 is realized retaining, and all the other times, retaining electromagnetic valve 10 is in closed condition, and capsule formula water tank 12 stops retaining.
If the pressure of intake pipe 1 is less than the water intaking pressure set points, positive and negative feedback pressure controller 15 is worked with the positive feedback pattern: this moment, positive and negative feedback pressure controller 15 was a desired value with the water intaking pressure set points, if water intaking pressure is less than the water intaking pressure set points, positive and negative feedback pressure controller 15 slows down by the current variable frequency pump 5 of Frequency Converter Control, shut down up to water pump 5, then next water pump 5 of Frequency Converter Control slows down, and shuts down up to water pump 5, by that analogy, to shutting down to a last water pump 5; Otherwise, the current variable frequency pump 5 of positive and negative feedback pressure controller 15 controls quickens, up to water pump 5 incision power frequency operations, then next water pump 5 of Frequency Converter Control quickens, up to water pump 5 incision power frequency operations, by that analogy, to cutting power frequency operations to a last water pump 5, in water pump 5 accelerators, when the pressure of feed pipe 14 sets value greater than pressure of supply water, positive and negative feedback pressure controller 15 is worked with the negative-feedback pattern.
During the positive feedback mode operation, open moisturizing electromagnetic valve 11, capsule formula water tank 12 and intake pipe 1 common process water pump 5 supply water to the user by feed pipe 14, when positive and negative feedback pressure controller 15 is worked with the negative-feedback pattern, close moisturizing electromagnetic valve 11.
The setting value of water intaking pressure is set by water undertaking's Remote Dynamic, perhaps sets by password is on-the-spot.
From Fig. 1 schematic diagram positive and negative feedback pressure controller 15 in the effect of this device as can be seen, positive and negative feedback pressure controller 15 is cores of the present utility model, has following function: with the positive negative feedback mode work of the PID that adjusts certainly, guarantee the stable operation of this device.Can receive water intaking pressure sensor 3 and 8 two signals of pressure of supply water sensor simultaneously.On-the-spot water intaking pressure shows and pressure of supply water shows.Have the warning of pressure of supply water high-low pressure, water intaking pressure high-low pressure warning function.Have remote communicating function, fetch water pressure and pressure of supply water, alarm signal of scene is uploaded to control centre.The setting value of water intaking pressure and pressure of supply water is set by water undertaking's Remote Dynamic, perhaps sets by password is on-the-spot.
Claims (2)
1. no air pollution pressure limiting water intaking constant pressure water supply equipment, it is characterized in that: by intake pipe (1), flap valve (2), water intaking pressure sensor (3), stop valve (4), water pump (5), stop valve (6), flap valve (7), pressure of supply water sensor (8), flap valve (9), retaining electromagnetic valve (10), moisturizing electromagnetic valve (11), capsule formula water tank (12), capsule formula vacuum tank (13), feed pipe (14), positive and negative feedback pressure controller (15), electrical control cabinet (16) is formed, intake pipe (1) connects flap valve (2), stop valve (4) links with water pump (5) import, water pump (5) outlet connects stop valve (6), flap valve (7), capsule formula vacuum tank (13) links with feed pipe (14), capsule formula water tank (12) connects retaining electromagnetic valve (10) and links with feed pipe (14), capsule formula water tank (12) connects moisturizing electromagnetic valve (11), flap valve (9) links with intake pipe (1), water intaking pressure sensor (3) is installed on the intake pipe (1), and pressure of supply water sensor (8) is installed on the feed pipe (14).
2. no air pollution pressure limiting water intaking constant pressure water supply equipment according to claim 1, it is characterized in that: positive and negative feedback pressure controller (15) limited subscriber water intaking pressure, by being positioned at retaining electromagnetic valve (10) control capsule formula water tank (12) retaining of water pump (5) Way out, by be positioned at water pump (5) importer to the moisturizing of moisturizing electromagnetic valve (11) control capsule formula water tank (12), capsule formula water tank (12) be installed on water pump (5) importer to the time, do not link with water pump (5) Way out, need not install retaining electromagnetic valve (10) and moisturizing electromagnetic valve (11), flap valve (9) this moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201042026U CN201071520Y (en) | 2007-04-11 | 2007-04-11 | Non-air pollution limited-pressure water-taking and constant-pressure water-supplying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201042026U CN201071520Y (en) | 2007-04-11 | 2007-04-11 | Non-air pollution limited-pressure water-taking and constant-pressure water-supplying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071520Y true CN201071520Y (en) | 2008-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201042026U Expired - Fee Related CN201071520Y (en) | 2007-04-11 | 2007-04-11 | Non-air pollution limited-pressure water-taking and constant-pressure water-supplying device |
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| CN (1) | CN201071520Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634304B (en) * | 2008-07-25 | 2011-12-07 | 台达电子工业股份有限公司 | Constant-pressure fluid control method |
| CN102979138A (en) * | 2012-12-20 | 2013-03-20 | 山东鲁润热能科技有限公司 | Intelligent water supply equipment |
-
2007
- 2007-04-11 CN CNU2007201042026U patent/CN201071520Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634304B (en) * | 2008-07-25 | 2011-12-07 | 台达电子工业股份有限公司 | Constant-pressure fluid control method |
| CN102979138A (en) * | 2012-12-20 | 2013-03-20 | 山东鲁润热能科技有限公司 | Intelligent water supply equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20110411 |