CN205475481U - Intelligent frequency -variable constant -pressure water supply system - Google Patents
Intelligent frequency -variable constant -pressure water supply system Download PDFInfo
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- CN205475481U CN205475481U CN201620265436.8U CN201620265436U CN205475481U CN 205475481 U CN205475481 U CN 205475481U CN 201620265436 U CN201620265436 U CN 201620265436U CN 205475481 U CN205475481 U CN 205475481U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 238000006243 chemical reaction Methods 0.000 claims description 115
- 230000033228 biological regulation Effects 0.000 claims description 12
- 238000012372 quality testing Methods 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009736 wetting Methods 0.000 abstract 2
- 239000008400 supply water Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses an intelligent frequency -variable constant -pressure water supply system relates to water supply system, include water storage device, constant -pressure variable -frequency controlling means and use the wetting system, water storage device's exit end is connected with constant -pressure variable -frequency controlling means's the end of intaking, constant -pressure variable -frequency controlling means's play water end (W. E. ) with be connected with the wetting system. The beneficial effect of the utility model: having set up constant -pressure variable -frequency controlling means in water supply system, having adjusted water supply pressure through constant -pressure variable -frequency controlling means and keep invariable, the control process is simple, easily realizes, and is energy -concerving and environment -protective.
Description
Technical field
This utility model relates to water system, is specifically related to a kind of intelligent frequency-conversion constant pressure water supply system.
Background technology
When gas turbine works on testing stand, need recirculated cooling water that dynamometer is cooled down or absorbed power load.For ensureing reliability and the protection relevant device of endurance test, the parameter of recirculated cooling water and cleanliness factor need to meet certain requirement.In prior art, there is the problems such as operating pressure is unstable, control mode is dumb, water quality is uncontrollable, energy consumption is high in existing water system, it is impossible to directly applies to test bench for gas turbine and uses.
Therefore, it is necessary to design a kind of intelligent frequency-conversion constant pressure water supply system being applicable to test bench for gas turbine, to solve the problem that prior art exists.
Utility model content
The deficiency existed for prior art, this utility model purpose is to provide a kind of intelligent frequency-conversion constant pressure water supply system, makes pressure of supply water keep constant, controls process simple, it is easy to accomplish, energy-conserving and environment-protective.
To achieve these goals, this utility model is to realize by the following technical solutions:
Intelligent frequency-conversion constant pressure water supply system of the present utility model, device and watering equipment is controlled including water storage device, constant pressure frequency conversion, the water inlet end that the port of export of described water storage device controls device with constant pressure frequency conversion is connected, and described constant pressure frequency conversion controls the water side of device and is connected with watering equipment.
Further, constant pressure frequency conversion controls device and includes frequency conversion speed adjusting pump unit, Pressure gauge, pressure transducer and frequency-conversion control cabinet, frequency conversion speed adjusting pump unit at least includes 2 frequency conversion speed adjusting pumps being arranged in parallel, the water inlet end of each frequency conversion speed adjusting pump is connected with the water side of water storage device, the water side of each frequency conversion speed adjusting pump connects regulation valve, regulation valve is connected with manometric one end, the manometric other end is connected with pressure transducer, and each frequency conversion speed adjusting pump, Pressure gauge and pressure transducer are connected with frequency-conversion control cabinet respectively.
Further, also include water quality intelligent control device, for controlling the water quality of recirculated water, the water side that the water inlet end of water quality intelligent control device controls device with constant pressure frequency conversion is connected, and the water inlet end that the water side of water quality intelligent control device controls device with constant pressure frequency conversion is connected.
Further, water quality intelligent control device includes water quality testing meter, dosing pump, medicament reaction unit and controller, and described water quality testing meter, controller and dosing pump are sequentially connected with, the dosing in medicament reaction unit of described dosing pump.
Further, also including diaphragm type air accumulator, for compensator or trimmer pressure fluctuation or part feedwater, the water side that described diaphragm type air accumulator controls device with constant pressure frequency conversion is connected, and described diaphragm type air accumulator is made up of steel casing and diaphragm of rubber inner bag.
Further, also including that remote control, remote control control device with constant pressure frequency conversion and be connected, remote control includes center switch board, switch and the host computer being sequentially connected with.
Further, VFC is cashier's office in a shop provided with and manually and automatically switches switch, it is achieved on-site manual controls frequency conversion speed adjusting pump running status and long-range control frequency conversion and speed regulation water pump operation state.
The beneficial effects of the utility model: a kind of intelligent frequency-conversion constant pressure water supply system of the present utility model, in water system, it is provided with constant pressure frequency conversion controls device, control device regulation pressure of supply water by constant pressure frequency conversion and keep constant, control process simple, it is easily achieved, energy-conserving and environment-protective.Especially by the hydraulic pressure that pressure transducer Real-time Collection is current, contrast with the hydraulic pressure set, control the running status of frequency conversion speed adjusting pump according to comparing result, make pressure of supply water keep constant, it is achieved water system operation pressure stabilization, energy-conserving and environment-protective.
This utility model is by arranging water quality intelligent control device, use water quality testing meter monitoring water quality situation, and then carry out water cleaning process to underproof, reach the effect that water quality is controlled, it is thus possible to meet test bench for gas turbine for cleaning the demand of recirculated cooling water, reduce the impurities in water infringement to relevant device under hot environment, save substantial amounts of operation expense.
This utility model, by arranging diaphragm type air accumulator, makes the pressure of supply water of water system keep stable, and when supply equipment breaks down, can supply water in short-term, it is to avoid watering equipment sustains damage.
This utility model also sets up remote control, remote control and constant pressure frequency conversion control device and realize data interaction, remote control is issued an order information, constant pressure frequency conversion controls device and uploads status signal, remote control grasps duty and the control and regulation parameter of water system in real time, it is easy to centralized management, saves time and manpower.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of this utility model intelligent frequency-conversion constant pressure water supply system;
Fig. 2 is the structural representation of another embodiment of the present utility model;
Fig. 3 is the structural representation of another embodiment of the present utility model;
Fig. 4 is the structural representation of another embodiment of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with detailed description of the invention, this utility model is expanded on further.
Refer to Fig. 1, a kind of technical scheme of this utility model offer:
Intelligent frequency-conversion constant pressure water supply system of the present utility model, device 2 and watering equipment 3 is controlled including water storage device 1, constant pressure frequency conversion, the water inlet end that the port of export of water storage device 1 controls device 2 with constant pressure frequency conversion is connected, and constant pressure frequency conversion controls the water side of device 2 and is connected with watering equipment 3.
nullIn the present embodiment,Constant pressure frequency conversion controls device 2 and includes frequency conversion speed adjusting pump unit 21、Pressure gauge 22、Pressure transducer 23 and frequency-conversion control cabinet 24,Frequency conversion speed adjusting pump unit 21 at least includes 2 frequency conversion speed adjusting pumps being arranged in parallel 211,Wherein 1 is that reserve pump is (in the present embodiment,Frequency conversion speed adjusting pump unit includes 3 frequency conversion speed adjusting pumps being arranged in parallel 211,Selection wherein 1 frequency conversion speed adjusting pump is as reserve pump),The water inlet end of each frequency conversion speed adjusting pump 211 is connected with the water side of water storage device 1,The water side of each frequency conversion speed adjusting pump 211 connects regulation valve 212,Regulation valve 212 is connected with one end of Pressure gauge 22,The other end of Pressure gauge 22 is connected with pressure transducer 23,Each frequency conversion speed adjusting pump 211、Pressure gauge 22 and pressure transducer 23 are connected with frequency-conversion control cabinet 24 respectively.Using one of them frequency conversion speed adjusting pump as reserve pump, when frequency conversion speed adjusting pump therein breaks down, reserve pump works, it is ensured that water system properly functioning, does not affect water supply.Frequency-conversion control cabinet includes converter, frequency-variable controller and execution device, and Frequency Converter Control frequency conversion speed adjusting pump keeps constant pressure of supply water.Pressure gauge is used for showing current pressure of supply water, pressure transducer gathers current pressure signal, and pressure signal is sent to frequency-conversion control cabinet, frequency-conversion control cabinet receives pressure signal that pressure transducer transmits through being converted to observed pressure value, observed pressure value compares with the force value of setting, and frequency conversion speed adjusting pump is controlled by frequency-conversion control cabinet according to force value comparing result.It is respectively provided with control valve at Pressure gauge and pressure transducer mounting seat upper end, it is simple to maintenance, when needs overhaul, closes control valve, prevent cooling down water and overflow.This water system is provided with constant pressure frequency conversion and controls device, the pressure of current frequency conversion speed adjusting pump is detected by pressure transducer, the pressure of actual measurement is compared with setting pressure, how this operates to control frequency conversion speed adjusting pump according to obtained comparing result, the pressure making frequency conversion speed adjusting pump is maintained at constant setting value so that the operation pressure stabilization of this water system.Variable frequency regulating speed control makes water pump operation more reasonable, saves energy, extends water pump service life, energy-conserving and environment-protective.
The work process of intelligent frequency-conversion constant pressure water supply system, the running status of the frequency conversion speed adjusting pump that frequency-conversion control cabinet sets according to water supply state modulator set in advance, when frequency conversion speed adjusting pump enters automatic running status, frequency conversion speed adjusting pump starts variable frequency work, the pressure signal collected is converted to the signal of telecommunication and is sent to frequency-conversion control cabinet by pressure transducer, when the force value collected is when setting low pressure limit, frequency conversion speed adjusting pump soft start under Frequency Converter Control enters variable-speed operation, when observed pressure reaches setup pressure value, frequency conversion speed adjusting pump is stable in a certain frequency, all the time constant voltage is setting on pressure;When frequency conversion speed adjusting pump speedup is to rated speed, i.e. 50HZ frequency, and survey hydraulic pressure be still below set pressure time, frequency conversion speed adjusting pump is transformed into power frequency operation by frequency conversion, another frequency conversion speed adjusting pump launches into converting operation state, until observed pressure reaches to set pressure;When water consumption reduces, and observed pressure is higher than when setting upper pressure limit, according to first starting the principle first stopped, reducing the number of units of power frequency operation water pump successively, until last frequency conversion speed adjusting pump converting operation remaining, keeps pressure constant in setting value.
The structural representation of another embodiment of the present utility model is as shown in Figure 2, intelligent frequency-conversion constant pressure water supply system also includes water quality intelligent control device 4, for controlling the water quality of recirculated water, the water side that the water inlet end of water quality intelligent control device 4 controls device 2 with constant pressure frequency conversion is connected, and the water inlet end that the water side of water quality intelligent control device 4 controls device 2 with constant pressure frequency conversion is connected.Water quality intelligent control device 4 includes that water quality testing meter 41, dosing pump 42, medicament reaction unit 43 and controller 44, water quality testing meter 41, controller 44 and dosing pump 42 are sequentially connected with, dosing pump 42 dosing in medicament reaction unit 43.The water quality situation of recirculated water is monitored by water quality testing meter in real time, find when water quality is defective, controller controls dosing pump automatic ration and adds medicament in water, carry out water cleaning process, reach the effect that water quality is controlled, it is thus possible to meet the test bench for gas turbine demand for cleaning recirculated cooling water, reduce the impurities in water infringement to relevant device under hot environment, save substantial amounts of operation expense.
The structural representation of another embodiment of the present utility model is as shown in Figure 3, intelligent frequency-conversion constant pressure water supply system also includes diaphragm type air accumulator 5, the water side that diaphragm type air accumulator 5 controls device 2 with constant pressure frequency conversion is connected, and diaphragm type air accumulator 5 is made up of steel casing and diaphragm of rubber inner bag.Diaphragm type air accumulator plays compensator or trimmer pressure fluctuation or the effect of part feedwater in water system, makes the pressure of supply water of water system keep stable, and when supply equipment breaks down, can supply water in short-term, it is to avoid watering equipment sustains damage.
Another embodiment of the present utility model is as shown in Figure 4, intelligent frequency-conversion constant pressure water supply system also includes remote control 7, for realizing remotely controlling water system, remote control 6 controls device 2 with constant pressure frequency conversion and is connected, remote control 7 includes the center switch board 61 being sequentially connected with, switch 62 and host computer 63, center switch board 61, switch 62 and host computer 63 pass through network service, center switch board 61 communicates with frequency conversion and unvarying pressure control device 2, host computer is by network and center switch board and frequency-conversion control cabinet communication, realize data interaction, host computer is issued an order information, frequency-conversion control cabinet uploads status signal, host computer grasps duty and the control and regulation parameter of water system in real time, it is easy to centralized management, saving time and manpower.
VFC is cashier's office in a shop provided with and manually and automatically switches switch, realize on-site manual and control frequency conversion speed adjusting pump running status and long-range control frequency conversion and speed regulation water pump operation state, when remotely controlling to break down, permutator is switched to Non-follow control position, Non-follow control frequency conversion speed adjusting pump running status, thus ensureing that system is properly functioning, it is ensured that the stability of water system operation and controllability, control mode is flexible.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described, to those skilled in the art, obviously this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (7)
1. an intelligent frequency-conversion constant pressure water supply system, it is characterized in that: include that water storage device, constant pressure frequency conversion control device and watering equipment, the water inlet end that the port of export of described water storage device controls device with constant pressure frequency conversion is connected, and described constant pressure frequency conversion controls the water side of device and is connected with watering equipment.
2. intelligent frequency-conversion constant pressure water supply system as claimed in claim 1, it is characterized in that: described constant pressure frequency conversion controls device and includes frequency conversion speed adjusting pump unit, Pressure gauge, pressure transducer and frequency-conversion control cabinet, described frequency conversion speed adjusting pump unit at least includes 2 frequency conversion speed adjusting pumps being arranged in parallel, the water inlet end of each frequency conversion speed adjusting pump is connected with the water side of water storage device, the water side of each frequency conversion speed adjusting pump connects regulation valve, regulation valve is connected with manometric one end, the manometric other end is connected with pressure transducer, each frequency conversion speed adjusting pump, Pressure gauge and pressure transducer are connected with frequency-conversion control cabinet respectively.
3. intelligent frequency-conversion constant pressure water supply system as claimed in claim 1, it is characterized in that: also include water quality intelligent control device, for controlling the water quality of recirculated water, the water side that the water inlet end of described water quality intelligent control device controls device with constant pressure frequency conversion is connected, and the water inlet end that the water side of water quality intelligent control device controls device with constant pressure frequency conversion is connected.
4. intelligent frequency-conversion constant pressure water supply system as claimed in claim 3, it is characterized in that: described water quality intelligent control device includes water quality testing meter, dosing pump, medicament reaction unit and controller, described water quality testing meter, controller and dosing pump are sequentially connected with, the dosing in medicament reaction unit of described dosing pump.
5. intelligent frequency-conversion constant pressure water supply system as claimed in claim 1, it is characterized in that: also include diaphragm type air accumulator, for compensator or trimmer pressure fluctuation or part feedwater, the water side that described diaphragm type air accumulator controls device with constant pressure frequency conversion is connected, and described diaphragm type air accumulator is made up of steel casing and diaphragm of rubber inner bag.
6. intelligent frequency-conversion constant pressure water supply system as claimed in claim 1, it is characterized in that: also include remote control, remote control controls device with constant pressure frequency conversion and is connected, and described remote control includes center switch board, switch and the host computer being sequentially connected with.
7. intelligent frequency-conversion constant pressure water supply system as claimed in claim 2, it is characterised in that: VFC is cashier's office in a shop provided with and manually and automatically switches switch, it is achieved on-site manual controls frequency conversion speed adjusting pump running status and long-range control frequency conversion and speed regulation water pump operation state.
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CN201620265436.8U CN205475481U (en) | 2016-04-01 | 2016-04-01 | Intelligent frequency -variable constant -pressure water supply system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106120950A (en) * | 2016-08-24 | 2016-11-16 | 上海市质子重离子医院有限公司 | A kind of closed cycle water automatically switches the most emergent stable-pressure device |
CN107503401A (en) * | 2017-08-28 | 2017-12-22 | 广东工业大学 | A kind of control device, the system and method for domestic water-storage system |
CN114136560A (en) * | 2021-11-15 | 2022-03-04 | 孙东明 | Intelligent remote control is suppressed and is surveyed leakage equipment |
-
2016
- 2016-04-01 CN CN201620265436.8U patent/CN205475481U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106120950A (en) * | 2016-08-24 | 2016-11-16 | 上海市质子重离子医院有限公司 | A kind of closed cycle water automatically switches the most emergent stable-pressure device |
CN107503401A (en) * | 2017-08-28 | 2017-12-22 | 广东工业大学 | A kind of control device, the system and method for domestic water-storage system |
CN114136560A (en) * | 2021-11-15 | 2022-03-04 | 孙东明 | Intelligent remote control is suppressed and is surveyed leakage equipment |
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Granted publication date: 20160817 |
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