CN201991035U - Constant current water supply apparatus - Google Patents
Constant current water supply apparatus Download PDFInfo
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- CN201991035U CN201991035U CN2010205998863U CN201020599886U CN201991035U CN 201991035 U CN201991035 U CN 201991035U CN 2010205998863 U CN2010205998863 U CN 2010205998863U CN 201020599886 U CN201020599886 U CN 201020599886U CN 201991035 U CN201991035 U CN 201991035U
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- water
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- control valve
- constant current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
Provided is a constant current water supply apparatus, a water tank (4) and a water pump (6) are connected through a water pipe, and a water pump electric bi-pass valve (3), a water pump valve (2), a flowmeter (11), a pressure gauge (10) and an electric regulating valve (8) are arranged between the water tank and the water pump to form into a sealed circulation loop system. The water tank (4) for storing water is provided with a water inlet pipe, a water outlet pipe and a water level monitor (12) thereon. The apparatus provided is characterized in that a flow transformer (9) and a flow controller (13) are connected between the water pump valve (2) and the electric regulating valve (8) on the circulation loop system, and the flow controller (13) performs a real time control on the signals of the flow transformer (9). The apparatus in the utility model is advantageous in that the apparatus can control and detect the water flow in a real time to ensure the stable flow of a water consumption apparatus.
Description
Technical field
The present invention relates to a kind of constant current supply equipment, detect the flow of ducted water by flow relay, the detection data that obtain enter flow control valve, after the analyzing and processing, by designing requirement electric control valve are controlled, and obtain the output of stability of flow.
Background technology
Along with the kind of glasses and the continual renovation of style, the requirement of eyeglass edging is also improved constantly, the eyeglass edging has two kinds of products at present, and a kind of is the dry method edging, and it mainly is by emery wheel eyeglass to be carried out edging, adopts the method for air cooling-down; Another kind is the wet method edging, it mainly is to adopt water to cool off when the emery wheel edging, this method edging speed is fast and lens edge is smooth, but need water to dispel the heat as cooling media, traffic requirement to water is very high, the instability of flow of water, can cause the local cooling of lens edge to cause the cutting output difference inadequately, influence attractive in appearancely, seem and be even more important so the constant flow of water controlled, particularly there are many edger units to work simultaneously, for example 20 edger units are worked simultaneously, and the rhythm of every equipment work is inconsistent, cause current to vary, influence the edging quality, if adopt common way of supplying water to meet the demands.Patent aspect water supply is described mainly aspect constant water pressure at present, the mode of constant water pressure has by frequency converter regulates water pump, or other stable water pressure device, as: describe among the Chinese patent CN02271341.7, its core technology that adopts is that the output by the variable frequency control water pump provides constant water pressure, or as: the description among the Chinese patent CN03274010.7, adopt the mode control of pump of frequency conversion to come constant pressure output to purify waste water equally.But the environment for use of these methods is restricted, as part calcium carbonate or magnesium carbonate etc. are arranged in city's water, simultaneously also can also have some organic matters, these materials can adhere in pipeline and deposit, cause the caliber in the pipeline to diminish, if this moment is by variable frequency control pressure, though pressure is stable, but flow diminishes, and is a kind of control mode of not constant current of constant voltage.In actual engineering, pipeline belongs to the parts of long-term use, in use inevitably produces fouling, cause caliber to diminish, flow diminishes equally, but use equipment relies on water to dispel the heat as media, the minimizing of flow causes heat radiation to reduce, thereby influences the normal use of equipment.
Summary of the invention
At above deficiency, the purpose of this utility model is to provide a kind of constant current supply equipment, is to control the control that realizes flow by constant current, thereby guarantee that heat radiation evenly, simultaneously corresponding multiple devices work simultaneously and rhythm not simultaneously, regulate flow in real time, satisfy the heat radiation requirement.
The technical solution of the utility model realizes in the following manner: the constant current supply equipment, connect by water pipe between water tank and the water pump, be provided with moisturizing electric two-way valve, water compensating valve, flow meter and pressure meter therebetween, electric control valve, form an airtight closed circuit system, water tank stores water, inlet tube and outlet tube and water-level instrumentation are arranged on it, it is characterized in that: be connected with flow transmitter and flow control valve between water compensating valve in the closed circuit system and electric control valve, flow control valve is controlled in real time to the feedback signal that flow transmitter sends.
The feedback signal of described flow control valve output is controlled ducted flow size by the execution valve in electric control valve and the electric control valve.
Described pump outlet is provided with return valve.
The utility model, constant current is supplied water and mainly by flow relay ducted current is monitored in real time, the feedback data signal is analyzed by flow control valve and is judged, and send control signal, this control signal is controlled electric control valve in real time, carry out the control of flow by the valve switch size of electric control valve, it is exported by setting requirement, guarantee to use the heat radiation requirement of equipment.Because water pump is fixed, so at exit of pump return valve is arranged, return valve belongs to electric control valve equally, bigger than normal when ducted flow, flow control valve can be judged, can turn down the valve of water supply motor operated valve, open the valve of big backflow feed water valve simultaneously, thereby reach the balance of overall current.
Description of drawings
Fig. 1 is a system schematic of the present utility model.
The specific embodiment
Know by Fig. 1, the constant current supply equipment, connect by water pipe between water tank 4 and the water pump 6, be provided with moisturizing electric two-way valve 3, water compensating valve 1,2,5, flow meter 11 and pressure meter 10 therebetween, electric control valve 7,8, form an airtight closed circuit system, water tank 4 stores water, the pressure and the flow of water are provided by water pump 6, flow relay or make flow transmitter 9 detect the flow of the water that passes through, come the feedback data of flow transmitter 9 is handled by flow control valve 13, processing was controlled electric control valve 7 and 8 afterwards and was carried out the control of flow; Water compensating valve 2 and moisturizing electric two-way valve 3 carry out automatic water supplement by water-level instrumentation 12, and flow meter 11 is used for showing the flow of water, and pressure meter 10 shows the pressure of water.
The course of work: at first adopt city's water that water tank 4 is carried out automatic water supplement, need open water compensating valve 2 this moment, judges automatically by water-level instrumentation 12 whether electromagnetic valve 3 needs to open.When water-level instrumentation 12 feedback water levels are not enough, can open electromagnetic valve 3 automatically and carry out moisturizing, meet the requirements up to water level.The capacity of water tank 4 is according to selecting the consumption of water, as: it is 100L/MIN that production equipment needs flow, then needs to select the storage tank greater than 6 tons, and this water tank 4 also may be selected to be self-built pond etc.Flow control valve and other control circuit are installed in place in dry and safety, and connect with lead, implement control.It is the current signal of 4-20mA that flow control valve 13 can be selected input signal, and output is similarly the current signal of 4-20mA, and it can be set according to actual flow meter 11.Flow transmitter 9 can select to be output as the current signal of 4-20mA, when ducted changes in flow rate, exports different current signals. Electric control valve 7 and 8 can select to import control 4-20mA electric current and executing agency is the valve of the electronic type electric operator of models such as UNIC, PSQ, HQ, DHL.
Install according to design drawing, use equipment to be lens edge grinding machine, experiment quantity is: 10.The separate unit lens edge grinding machine need streamflow 2L/MIN.Select water tank 4 to be: 2 tons.Respectively the edge polisher of different operating quantity is tested, detected the video data of hydraulic pressure pressure meter 10 and flow meter 11 simultaneously, the eyeglass after simultaneously edging being finished detects, and the standard of detection is:
The A level: smooth around the lens edge, no burr;
The B level: essentially smooth around the lens edge, obvious 2 place's burrs are arranged;
The C level: coarse around the lens edge, there is obvious burr to surpass 2 places.
Experimental data:
| Test method | Hydraulic pressure pressure meter data | Flow meter data | Lens quality |
| Tap water directly supplies | 2.8KG | 5.2L/MIN | A |
| Tap water directly supplies | 2.6KG | 7.8L/MIN | A |
| Tap water directly supplies water 6 | 2.5KG | 9.7L/MIN | B |
| Tap water directly supplies | 2.2KG | 12.6L/MIN | C |
| Tap water directly supplies | 2.0KG | 14.4L/MIN | C |
| Constant current is supplied | 2.8KG | 4.3L/MIN | A |
| Constant current is supplied | 2.7KG | 8.1L/MIN | A |
Experimental data:
| Constant current is supplied water 6 | 2.7KG | 12.3L/MIN | A |
| Constant current is supplied | 2.5KG | 17.2L/MIN | A |
| Constant current is supplied | 2.5KG | 22.4L/MIN | A |
| Remarks: water temperature: 23 degree | |||
| Tap water hydraulic 3KG |
As can be seen, after implementing constant current control, flow has had significantly stable in table, and lens quality all reaches the A level, adheres to specification.After edger unit increases, hydraulic pressure pressure has trace to reduce, can occur hydraulic pressure after being not precluded within edger unit and accelerating and continue the possibility that descends, its main cause is that water frictional resistance in flow process increases, need to increase the pressure of supply water of water pump, or the variable frequency control water-aspirator pressure output of adopting other patent to describe, remedy the loss of pressure, the same technology category according to the invention of the method does not change the main technical schemes that constant flow rate is controlled.
Claims (3)
1. constant current supply equipment, connect by water pipe between water tank (4) and the water pump (6), be provided with moisturizing electric two-way valve (3) therebetween, water compensating valve (2), flow meter (11) and pressure meter (10), electric control valve, form an airtight closed circuit system, water tank (4) stores water, have on it into, outlet pipe and water-level instrumentation (12), it is characterized in that: be connected with flow transmitter (9) and flow control valve (13) between water compensating valve in the closed circuit system (2) and electric control valve (8), flow control valve (13) is controlled in real time to the signal that flow transmitter (9) sends.
2. constant current supply equipment according to claim 1 is characterized in that: the feedback signal of described flow control valve (13) output, control ducted flow size by the execution valve in electric control valve (7) and the electric control valve (8).
3. constant current supply equipment according to claim 1 is characterized in that: described water pump (6) exit is provided with return valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205998863U CN201991035U (en) | 2010-11-10 | 2010-11-10 | Constant current water supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205998863U CN201991035U (en) | 2010-11-10 | 2010-11-10 | Constant current water supply apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991035U true CN201991035U (en) | 2011-09-28 |
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ID=44667524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205998863U Expired - Lifetime CN201991035U (en) | 2010-11-10 | 2010-11-10 | Constant current water supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991035U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536847A (en) * | 2012-02-02 | 2012-07-04 | 辽宁工业大学 | Flow regulating device for backflow type centrifugal water pump |
| CN103088872A (en) * | 2013-02-01 | 2013-05-08 | 天津大学 | Water supplying system for flow device |
| CN108410631A (en) * | 2018-05-18 | 2018-08-17 | 中船重工纵横科技有限公司 | The mixing system for discriminating wine-making technology for old five |
-
2010
- 2010-11-10 CN CN2010205998863U patent/CN201991035U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536847A (en) * | 2012-02-02 | 2012-07-04 | 辽宁工业大学 | Flow regulating device for backflow type centrifugal water pump |
| CN103088872A (en) * | 2013-02-01 | 2013-05-08 | 天津大学 | Water supplying system for flow device |
| CN108410631A (en) * | 2018-05-18 | 2018-08-17 | 中船重工纵横科技有限公司 | The mixing system for discriminating wine-making technology for old five |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |