CN205349538U - Pressure water pump control system is decided to multizone digit - Google Patents
Pressure water pump control system is decided to multizone digit Download PDFInfo
- Publication number
- CN205349538U CN205349538U CN201521083501.7U CN201521083501U CN205349538U CN 205349538 U CN205349538 U CN 205349538U CN 201521083501 U CN201521083501 U CN 201521083501U CN 205349538 U CN205349538 U CN 205349538U
- Authority
- CN
- China
- Prior art keywords
- pressure
- water pump
- input
- ware
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a pressure water pump control system is decided to multizone digit. This system includes regional signal input and gating ware, pressure parameter adjusting device, the pressure parameter setting, water pump pressure final controlling element and pressure sensor, the output of regional signal input and gating ware respectively with pressure regulating controlling ware, the gating end that pressure parameter set for the ware links to each other, the output of pressure regulating controlling ware passes through the comparator and links to each other with the input that pressure parameter set for the ware, the output of pressure parameter settlement ware links to each other with water pump pressure final controlling element's input, pressure sensor's output links to each other with the comparator input. The utility model discloses well regional signal input and gating ware select pressure regulating controlling ware, the pressure parameter in the same region to set for the ware intercommunication, the comparator is given in the pressure value and the transmission of pressure sensor water pump, and the comparator transmits water -feeding pump pressure final controlling element with the pressure discrepancy, and water pump pressure final controlling element adjusts and makes the water pump delivery pressure keep in certain extent.
Description
Technical field
This utility model relates to plumbing technical field, particularly relates to a kind of multizone digital constant-voltage control system of water pump.
Background technology
Internal combustion engine water pump is widely used in every field, is particularly applicable in boiler emergency feedwater supply system, the emergent cooling circulating water water supply system of industry, smelting furnace emergent cooling circulating water water supply system, public building fire supply system.
Existing water-aspirator pressure regulates system and adopts direct digital control mode that the outlet pressure of internal combustion engine water pump is locked, and effectively the dynamic and intelligent of water supply system is regulated and provides technical support.Can only for single area but existing water-aspirator pressure controls system, it is impossible to realize multizone Stress control.
Chinese patent literature CN2903424Y provides a kind of digital constant-voltage internal combustion engine water pump, although this patent solves the problem that water supply system dynamically controls, but single area water pressure can only be locked by this patent, and existing large-scale fire extinguishing system coexists the fire-fighting region of multiple different pressure of supply waters often, and multiple region is same water supply network, but the pressure of zones of different water then has different demands, and above-mentioned patent can not meet the pressure requirements that multiple region is different.
Utility model content
The purpose of this utility model is in that to propose a kind of multizone digital constant-voltage control system of water pump, it is possible to solve the control problem of multizone difference hydraulic demand, for reaching this purpose, this utility model by the following technical solutions:
A kind of multizone digital constant-voltage control system of water pump, including the input of multizone signal and gate, pressure parameter adjusting apparatus, pressure parameter setting device, water-aspirator pressure performs device and pressure transducer, described pressure parameter adjusting apparatus includes multiple variable pressure and adjusts controller, described pressure parameter setting device includes multiple pressure parameter setting apparatus, the outfan of the input of described regional signal and gate adjusts controller with pressure corresponding thereto respectively, the gating end of pressure parameter setting apparatus is connected, described pressure is adjusted the outfan of controller and is connected by the input of comparator pressure parameter setting apparatus corresponding thereto, the input that the outfan of described pressure parameter setting apparatus performs device with water-aspirator pressure is connected, described water-aspirator pressure performs device and regulates for water-aspirator pressure, the outfan of described pressure transducer is connected with the input of comparator.
As preferably, the input of described regional signal and gate include the input of multiple regional signal and gating switch, and the input of described regional signal and gating switch adjust controller with pressure corresponding thereto respectively, the gating end of pressure parameter setting apparatus is connected.
As preferably, it is PID controller that described pressure adjusts controller.
As preferably, described water-aspirator pressure performs device and includes accelerator drive executor and the internal combustion engine being connected with accelerator drive executor.
As preferably, described internal combustion engine is variable speed internal combustion.
In this utility model, pressure parameter adjusting apparatus includes multiple pressure parameter adjustor, pressure parameter setting device includes multiple pressure parameter setting apparatus, inputted by regional signal and gate selects the pressure specifying region to adjust the pressure parameter setting apparatus of controller and correspondence, then water-aspirator pressure performs the rotating speed that device adjusts the Signal Regulation diesel engine of controller transmission according to pressure, thus changing the output pressure of water pump；Pressure transducer detects the force value of water pump in real time and passes to comparator, comparator performs device by pressure divergence value passes to after comparing with the pressure set by pressure parameter setting apparatus water-aspirator pressure, water-aspirator pressure performs device and constantly revises the rotating speed of water pump so that it is output pressure keeps within the specific limits.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multizone digital constant-voltage control system of water pump that this utility model provides.
In figure:
1, regional signal input and gate；2, pressure parameter adjusting apparatus；3, pressure parameter setting device；4, water-aspirator pressure performs device；5, pressure transducer；6, comparator；7, water pump；11, regional signal input and gating switch；21, pressure adjusts controller；31, pressure parameter setting apparatus.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
This utility model provides a kind of multizone digital constant-voltage control system of water pump, and this control system can control the hydraulic pressure in multiple region.As shown in Figure 1, it includes regional signal input and gate 1, pressure parameter adjusting apparatus 2, pressure parameter setting device 3, water-aspirator pressure performs device 4 and pressure transducer 5, regional signal input and gate 1 include the input of multiple regional signal and gating switch 11, pressure parameter adjusting apparatus 2 includes multiple pressure and adjusts controller 21, each pressure adjusts the force value of controller 21 adjustment and all differs, therefore each pressure adjusts correspondence in controller 21 and is written with different programs, pressure parameter setting device 3 includes multiple pressure parameter setting apparatus 31, each pressure adjusts the corresponding pressure parameter setting apparatus 31 of controller 21；The outfan of regional signal input and gating switch 11 adjusts controller 21 with pressure corresponding thereto respectively, the gating end of pressure parameter setting apparatus 31 is connected.Pressure is adjusted the outfan of controller 21 and is connected by the input of comparator 6 pressure parameter setting apparatus 31 corresponding thereto, the input that the outfan of pressure parameter setting apparatus 31 performs device 4 with water-aspirator pressure is connected, water-aspirator pressure performs device 4 and regulates for water pump 7 outlet pressure, and the outfan of pressure transducer 5 is connected with the input of comparator 6.
More specifically, pressure adjusts controller 21 is PID controller.
Water-aspirator pressure performs device 4 and includes accelerator drive executor 41 and the internal combustion engine 42 being connected with accelerator drive executor 41.Specifically, internal combustion engine 42 is speed changing diesel machine.
For fire demand water pressure, when certain local fire alarm control panel detects fire alarm, the regional signal input and the gating switch 11 that are positioned at this region close, the pressure corresponding with the input of this regional signal and gating switch 11 adjusts controller 21 and pressure parameter setting apparatus 31 connects, and now pressure transducer 5 has put into pressure detecting；The predetermined value of pressure parameter setting apparatus 31 is passed to pressure and adjusts controller 21 by comparator 6, then pressure adjusts controller 21 and controls water-aspirator pressure and perform the accelerator drive executor 41 of device 4 and increase and decrease amount of fuel, and the internal combustion engine 42 being connected with accelerator drive executor 41 raises according to fuel feeding situation or reduction rotating speed controls the size of water pump discharge pressure.After this control system is opened and is run, pressure transducer 5 can detect the force value of water pump in real time, the water-aspirator pressure value that pressure transducer 3 detects feeds back to comparator 6, the water-aspirator pressure value that comparator 6 feeds back with pressure transducer according to the scheduled pressure value of pressure parameter setting apparatus 31 compares, then result is fed back to accelerator drive executor 41, accelerator drive executor 41 controls oil mass again, and internal combustion engine 42 regulates its rotating speed to control the outlet pressure of water pump 7.
What the digital constant-voltage in this utility model referred to multizone uses water pressure values constant, adjusts controller 21 by pressure the hydraulic pressure adjustment of water pump is identical with the use water pressure in this region.And this multizone digital constant-voltage control system of water pump is closed-loop control system.
Note, of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not limited to the embodiments described above; described in above-mentioned embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications; these changes and improvements both fall within the scope of claimed this utility model, and claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a multizone digital constant-voltage control system of water pump, it is characterized in that, including regional signal input and gate (1), pressure parameter adjusting apparatus (2), pressure parameter setting device (3), water-aspirator pressure performs device (4) and pressure transducer (5), described pressure parameter adjusting apparatus (2) includes multiple pressure and adjusts controller (21), described pressure parameter setting device (3) includes multiple pressure parameter setting apparatus (31), the outfan of the input of described regional signal and gate (1) adjusts controller (21) with pressure corresponding thereto respectively, the gating end of pressure parameter setting apparatus (31) is connected, described pressure is adjusted the outfan of controller (21) and is connected by the input of comparator (6) pressure parameter setting apparatus (31) corresponding thereto, the input that the outfan of described pressure parameter setting apparatus (31) performs device (4) with water-aspirator pressure is connected, described water-aspirator pressure performs device (4) and regulates for water-aspirator pressure, the outfan of described pressure transducer (5) is connected with the input of comparator (6).
2. multizone digital constant-voltage control system of water pump according to claim 1, it is characterized in that, the input of described regional signal and gate (1) include the input of multiple regional signal and gating switch (11), and the input of described regional signal and gating switch (11) adjust controller (21) with pressure corresponding thereto respectively, the gating end of pressure parameter setting apparatus (31) is connected.
3. multizone digital constant-voltage control system of water pump according to claim 1, it is characterised in that it is PID controller that described pressure adjusts controller (21).
4. multizone digital constant-voltage control system of water pump according to claim 1, it is characterized in that, described water-aspirator pressure performs device (4) and includes accelerator drive executor (41) and the internal combustion engine (42) being connected with accelerator drive executor (41).
5. multizone digital constant-voltage control system of water pump according to claim 4, it is characterised in that described internal combustion engine (42) is speed changing diesel machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083501.7U CN205349538U (en) | 2015-12-21 | 2015-12-21 | Pressure water pump control system is decided to multizone digit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083501.7U CN205349538U (en) | 2015-12-21 | 2015-12-21 | Pressure water pump control system is decided to multizone digit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349538U true CN205349538U (en) | 2016-06-29 |
Family
ID=56168891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521083501.7U Active CN205349538U (en) | 2015-12-21 | 2015-12-21 | Pressure water pump control system is decided to multizone digit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205349538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826771A (en) * | 2017-11-23 | 2019-05-31 | 上海舜诺机械有限公司 | A kind of high-precision electric hydraulic pump |
-
2015
- 2015-12-21 CN CN201521083501.7U patent/CN205349538U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826771A (en) * | 2017-11-23 | 2019-05-31 | 上海舜诺机械有限公司 | A kind of high-precision electric hydraulic pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104296386B (en) | Control method, control system and the gas heater of gas heater | |
| CN202032548U (en) | Automatic load distribution control system for boiler using main pipe system operation mode | |
| CN107368049B (en) | The control method of coal-supplying amount under unit varying duty based on Power Plant DCS System | |
| CN104236109A (en) | Control method and control device of constant-temperature gas water heater | |
| CN202032549U (en) | Header pressure coordination control system for thermal power plant boiler | |
| CN109237798B (en) | Control method of gas combustion device and gas combustion device | |
| CN103486607B (en) | Automatic fuel adjustment system and method of multi-fuel fired boiler | |
| CN104154545B (en) | Automatic combustion control method and automatic combustion control system for incinerator | |
| CN103395745B (en) | Prevent hydrogen chloride gas from crossing the interlocking signal system and method for chlorine | |
| CN103423740A (en) | System and method for automatically controlling combustion process of circulating fluidized bed boiler | |
| RU2014149173A (en) | METHOD, METHOD FOR FUEL ENGINE SYSTEM AND ENGINE SYSTEM | |
| CN202875180U (en) | Intelligent constant temperature shower control system | |
| CN205349538U (en) | Pressure water pump control system is decided to multizone digit | |
| CN103277863A (en) | Air conditioner cold water variable-flow system and control method thereof | |
| CN104232846B (en) | A kind of system and method to RH refining furnace steam supply | |
| CN111045321B (en) | Method for coordinately controlling embedded internal model controller under deep peak regulation | |
| CN205137422U (en) | Continuous automatic feed water control system of steam boiler | |
| CN204678482U (en) | Heat supply network automatic control system | |
| CN205351793U (en) | Constant temperature gas heater controller | |
| CN209742979U (en) | heat load balance distribution control device for multiple steam turbine generator units | |
| CN203498903U (en) | Intelligent constant pressure water supply device | |
| CN104714573A (en) | Automatic temperature control method for sponge iron tunnel kiln and device thereof | |
| CN203731707U (en) | Control system for fuel oil gas conduction oil boiler | |
| CN203310028U (en) | Air-conditioning cold water variable-flow system | |
| CN204325413U (en) | A kind of system to RH refining furnace steam supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |