CN204460519U - A kind of central air conditioning water system that automatically can carry out scrubbing to filter - Google Patents

A kind of central air conditioning water system that automatically can carry out scrubbing to filter Download PDF

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Publication number
CN204460519U
CN204460519U CN201420768879.XU CN201420768879U CN204460519U CN 204460519 U CN204460519 U CN 204460519U CN 201420768879 U CN201420768879 U CN 201420768879U CN 204460519 U CN204460519 U CN 204460519U
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China
Prior art keywords
air conditioning
central air
water system
conditioning water
filter
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Expired - Fee Related
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CN201420768879.XU
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Chinese (zh)
Inventor
陈晓春
张良
李沁
武显亮
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CHINA BUILDING DESIGN CONSULTANTS Co Ltd
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CHINA BUILDING DESIGN CONSULTANTS Co Ltd
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Publication of CN204460519U publication Critical patent/CN204460519U/en
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Abstract

The utility model relates to a kind of central air conditioning water system that automatically can carry out scrubbing to filter, it is characterized in that: it comprises central air conditioning water system pipeline, central air conditioning water system pipeline side arranges bypass pipe, the import of bypass pipe is all connected with central air conditioning water system pipeline with outlet, arrange bypass pipe filter in bypass pipe, bypass pipe filter both sides respectively arrange electromagnetic valve; In central air conditioning water system pipeline between bypass pipe import and outlet, a piping filter is set, between the import of bypass pipe and piping filter, between the outlet of bypass pipe and piping filter, an electromagnetic valve is set respectively; Two electromagnetic valves are connected an outlet pipe and water inlet pipe respectively with the central air conditioning water system pipeline between piping filter; In outlet pipe and water inlet pipe, an electromagnetic valve is respectively set; Arrange a differential pressure pickup at central air conditioning water system pipeline external, two probes of differential pressure pickup are fixed on piping filter both sides; Differential pressure pickup connects a controller, and controller is also electrically connected with each electromagnetic valve.The utility model section is widely used in central air conditioning water system.

Description

A kind of central air conditioning water system that automatically can carry out scrubbing to filter
Technical field
The utility model relates to a kind of central air conditioning water system, particularly about a kind of central air conditioning water system that automatically can carry out scrubbing to filter.
Background technology
In recent years, economical develops the large area construction having driven the heavy constructions such as hotel, hotel, market, office building rapidly, and central air conditioner system is able to general promoting the use of.Central air conditioner system crosses by air channel the mode that wind or hot water pipe connect multiple end by a main frame to control different rooms to reach the object regulating room air, adopt central air conditioner system effectively can improve the quality of room air, the generation of prevention air conditioner disease.Central air conditioner system is effective owing to having, and it is convenient to control, the advantage that range of application is large and firmly get people's favor.
Central air conditioner system can be divided three classes: central air conditioning water system, central air-conditioning fluorine system and central air-conditioning wind system.Wherein, central air conditioning water system take water as medium, more comfortable than traditional fluorine system, is generally used for heavy construction or big-room and luxury housing project house and villa, based on high-end house.Central air conditioning water system is a half small-sized centralized fan coil system, and each room fan coil is connected with water chiller-heater unit by pipeline, and the hot and cold water relying on water chiller-heater unit to provide is to supply cold-peace heat supply, and indoor load is all born by water chiller-heater unit.Central air conditioning water system flexible arrangement, independent modulability is good, and comfort level is very high, can meet the needs of complicated house type dispersion use, each room independent operating.In addition, central air conditioning water system novel at present is also one of best solution of floor heating system application, by the effective combination with floor heating, the mode of low water temperature large area low-temp radiation heating in employing, more more comfortable than traditional fan-coil heating system energy-conservation.The quality that central air conditioning water system runs is directly connected to the result of use of tail end of central air conditioner user, therefore, ensures that the quality of central air conditioning water system running environment seems particularly important.
Filter for installation on central air conditioning water system pipeline is one of requisite vitals on central air conditioning water system pipeline; it plays vital effect to the protection of end-equipment and pipeline; but; after filter for installation uses for a long time; because impurity, dirt etc. constantly gather, need regularly to carry out clearing up or changing.Cleaning abatement processes mode at present for the filter for installation on central air conditioning water system pipeline has two kinds: one is in non-air-conditioning season, the i.e. inoperative period of central air conditioning water system, detachable maintaining is carried out to each pipeline of central air conditioning water system, in the process, filter for installation on central water-system pipeline by air is dismantled, to carry out cleaning or changing; Another kind is in air-conditioning season; when filter for installation gathering more impurity dirt; when having had influence on the normal operation of central air conditioning water system; cleaning or the replacing of filter for installation must be carried out; now system-down Maintenance and Repair will be carried out; to clean filter for installation or to change, to maintain the follow-up normal operation of central air conditioning water system.But; no matter adopt which kind of mode above-mentioned, when cleaning filter for installation or changing, central air conditioning water system all needs to carry out shutdown work; and very large inconvenience is there is in cleaning or Renewal process, the normal use of central air conditioning water system must be had influence on.
In addition, Chinese patent notification number is the utility model patent " automatic sewage discharging device for filter of central air conditioning water system " of CN201540059U, disclose a kind of device filter of central air conditioning water system being carried out to automatic pollution discharge, its high-velocity flow utilizing pressure inlet to produce, filter for installation is washed away, thus realizes the cleaning to filter for installation.But, this patent utilizes the current speedup in central air conditioning water system pipeline to reach scrubbing object, but the increase of water velocity, can cause the stability that central air conditioning water system runs, and therefore also must affect the result of use of user, in addition, in depolluting processes, because water velocity is difficult to control, wayward to the degree of scrubbing, easily damage is caused to filter, adverse effect is brought to the normal use of central air conditioning water system.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of central air conditioning water system that automatically can carry out scrubbing to filter that automatically can clean scrubbing under normal operation to filter.
For achieving the above object, the utility model takes following technical scheme: a kind of central air conditioning water system that automatically can carry out scrubbing to filter, it is characterized in that: it comprises a central air conditioning water system pipeline, in the side of described central air conditioning water system pipeline, bypass line is set, the import of described bypass pipe is all connected with described central air conditioning water system pipeline with outlet, be provided with bypass line filter in described bypass pipe, one first electromagnetic valve is set respectively at the described bypass pipe being positioned at described bypass pipe filter both sides; In the described central air conditioning water system pipeline between the import and outlet of described bypass pipe, a piping filter is being set, one second electromagnetic valve is being set in the described central air conditioning water system pipeline between the import and described piping filter of described bypass pipe, one the 3rd electromagnetic valve is being set in the described central air conditioning water system pipeline between the outlet and described piping filter of described bypass pipe; Be connected an outlet pipe at described second electromagnetic valve with the side of the described central air conditioning water system pipeline between described piping filter, be connected a water inlet pipe at described 3rd electromagnetic valve with the side of the described central air conditioning water system pipeline between described piping filter; One the 4th electromagnetic valve is set respectively in described outlet pipe and water inlet pipe; At outer setting one differential pressure pickup of described central air conditioning water system pipeline, two of described differential pressure pickup probes all to stretch in described central air conditioning water system pipeline and are fixed on the both sides of described piping filter; Described differential pressure pickup is electrically connected a controller, and described controller is also electrically connected with described first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve.
The water inlet pipe be positioned at outside described 4th electromagnetic valve arranges a force (forcing) pump, and described force (forcing) pump is electrically connected with described controller; Be connected a chemical feed pipe in the side of the water inlet pipe between described force (forcing) pump with described 4th electromagnetic valve, arrange one the 5th electromagnetic valve in described chemical feed pipe, the described chemical feed pipe other end connects a chemical agent case.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model owing to being provided with bypass line and two except sewage pipe on central air conditioning water system pipeline, when the screen pack of central water-system pipeline by air needs to clean, the current of central air conditioning water system pipeline can continue flowing by bypass pipe, and one carries out back flush except introducing current in sewage pipe to screen pack, sewage except sewage pipe is discharged, achieves the automatic pollution removing of filter under central air conditioning water system normal operation by another.2, the utility model is owing to being provided with differential pressure pickup in filter both sides, by being detected the pressure difference signal of filter screen both sides in real time, automatically being controlled, do not need manual operation by controller to automatic pollution removing device, controls simple.3, the utility model is provided with except sewage pipe due to central air conditioning water system pipeline side, when cleaning filter, the current introduced by blow-off pipe carry out back flush to filter, do not need to pull down filter, eliminate numerous and diverse program of dismounting, time saving and energy saving.4, the utility model is provided with bypass pipe due to central air conditioning water system pipeline side, filter reach need change service life time, close the electromagnetic valve of central air conditioning water system pipeline, make central air conditioning water system pipeline obtain current and continue flowing through bypass pipe, ensure that the continuous operation of central air conditioning water system, avoid and the result of use of user is had an impact.The utility model structure is simple, uses easy to operate, can be widely used in central air conditioning water system.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises a central air conditioning water system pipeline 1, arranges bypass line 2 in the side of central air conditioning water system pipeline 1, and the import of bypass pipe 2 is all connected with central air conditioning water system pipeline 1 with outlet.In bypass pipe 2, be provided with bypass line filter 3, an electromagnetic valve 4 is set respectively at the bypass pipe 2 being positioned at bypass pipe filter 3 both sides.In the central air conditioning water system pipeline 1 between the import and outlet of bypass pipe 2, a piping filter 5 is being set, an electromagnetic valve 6 is being set in the central air conditioning water system pipeline 1 between the import and piping filter 5 of bypass pipe 2, an electromagnetic valve 7 is being set in the central air conditioning water system pipeline 1 between the outlet and piping filter 5 of bypass pipe 2.Be connected an outlet pipe 8 in the side of the central air conditioning water system pipeline 1 between electromagnetic valve 6 with piping filter 5, be connected a water inlet pipe 9 in the side of the central air conditioning water system pipeline 1 between electromagnetic valve 7 with piping filter 5.One electromagnetic valve 10 is set respectively in outlet pipe 8 and water inlet pipe 9.At outer setting one differential pressure pickup 11 of central air conditioning water system pipeline 1, two of differential pressure pickup 11 probes all to stretch in central air conditioning water system pipeline 1 and are fixed on the both sides of piping filter 5.Differential pressure pickup 11 is electrically connected a controller 12, and controller 12 is also electrically connected to control the unlatching of each electromagnetic valve 4,6,7,10 with closed with each electromagnetic valve 4,6,7,10.
In a preferred embodiment, arrange a force (forcing) pump 13 at the water inlet pipe 9 be positioned at outside electromagnetic valve 10, force (forcing) pump 13 is electrically connected with controller 12; Be connected a chemical feed pipe 14 in the side of the water inlet pipe 9 between force (forcing) pump 13 with electromagnetic valve 10, arrange an electromagnetic valve 15 in chemical feed pipe 14, the other end of chemical feed pipe 14 connects a chemical agent case 16.
The course of work of the present utility model is as follows:
1) first preset a pressure differential resetting value by controller 12 and be sent to differential pressure pickup 11, opened by electromagnetic valve 6,7 with Time Controller 12, electromagnetic valve 4,10 is closed.
2) in central air conditioning water system normal course of operation, the impurity of piping filter 5 continuously in filtered water and dirt, these impurity and dirt constantly can accumulate in the side of piping filter 5 simultaneously.The water pressure of probe Real-Time Monitoring pipeline filter 5 both sides of differential pressure pickup 11 is poor, when the water pressure difference detected is greater than pressure differential resetting value, illustrate that impurity that piping filter 5 gathers and dirt have exceeded normal permissible value, now, the water pressure difference signal of reality is sent to controller 12 by differential pressure pickup 11.
3), after controller 12 receives the water pressure difference signal of differential pressure pickup 11 transmission, shut electromagnetic valve door 6,7, opens electromagnetic valve 4,10 simultaneously.Now, the water in central air conditioning water system pipeline 1 no longer flows through piping filter 5, but continues forward flowing by bypass pipe 2, and is filtered by bypass pipe filter 3 pairs of impurities in water and dirt.
4) in water inlet pipe 9, introduce current, because these current are contrary with central air conditioning water system pipeline 1 Central Plains water (flow) direction, therefore can carry out back flush to piping filter 5, sewage is discharged by outlet pipe 8.
5) when differential pressure pickup 11 detects that the pressure difference signal of piping filter 5 both sides is less than pressure differential resetting value, the water pressure difference signal of reality is sent to controller 12 by differential pressure pickup 11.
6) after controller 12 receives water pressure difference signal, opening conduits electromagnetic valve 6,7, simultaneously shut electromagnetic valve door 4,10, the water in central air conditioning water system pipeline 1 stops flowing to bypass pipe 2, continue to flow along former water (flow) direction, complete the automated cleaning to piping filter 5.
In a preferred course of work, in step 4) in water inlet pipe 9, introduce current while, opens solenoid valve door 15, the chemical agent in chemical agent case 16 is made to enter in the current of water inlet pipe 9 introducing, make the impurity generation chemical reaction on chemical agent and piping filter 5, and then remove the obstinate troublesome impurity dirt on piping filter 5; Meanwhile, force (forcing) pump 13 can also be started as required, be pressurizeed by the current in force (forcing) pump 13 pairs of water inlet pipes 9, promote intake pressure by force (forcing) pump 13, utilize the water flow impact pressure after pressurization to increase current to the flushing dynamics of piping filter 5.
The various embodiments described above are only for illustration of the utility model; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.

Claims (2)

1. one kind can be carried out the central air conditioning water system of scrubbing automatically to filter, it is characterized in that: it comprises a central air conditioning water system pipeline, in the side of described central air conditioning water system pipeline, bypass line is set, the import of described bypass pipe is all connected with described central air conditioning water system pipeline with outlet, be provided with bypass line filter in described bypass pipe, one first electromagnetic valve is set respectively at the described bypass pipe being positioned at described bypass pipe filter both sides; In the described central air conditioning water system pipeline between the import and outlet of described bypass pipe, a piping filter is being set, one second electromagnetic valve is being set in the described central air conditioning water system pipeline between the import and described piping filter of described bypass pipe, one the 3rd electromagnetic valve is being set in the described central air conditioning water system pipeline between the outlet and described piping filter of described bypass pipe; Be connected an outlet pipe at described second electromagnetic valve with the side of the described central air conditioning water system pipeline between described piping filter, be connected a water inlet pipe at described 3rd electromagnetic valve with the side of the described central air conditioning water system pipeline between described piping filter; One the 4th electromagnetic valve is set respectively in described outlet pipe and water inlet pipe; At outer setting one differential pressure pickup of described central air conditioning water system pipeline, two of described differential pressure pickup probes all to stretch in described central air conditioning water system pipeline and are fixed on the both sides of described piping filter; Described differential pressure pickup is electrically connected a controller, and described controller is also electrically connected with described first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve.
2. a kind of central air conditioning water system that automatically can carry out scrubbing to filter as claimed in claim 1, is characterized in that: the water inlet pipe be positioned at outside described 4th electromagnetic valve arranges a force (forcing) pump, and described force (forcing) pump is electrically connected with described controller; Be connected a chemical feed pipe in the side of the water inlet pipe between described force (forcing) pump with described 4th electromagnetic valve, arrange one the 5th electromagnetic valve in described chemical feed pipe, the described chemical feed pipe other end connects a chemical agent case.
CN201420768879.XU 2014-12-08 2014-12-08 A kind of central air conditioning water system that automatically can carry out scrubbing to filter Expired - Fee Related CN204460519U (en)

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CN201420768879.XU CN204460519U (en) 2014-12-08 2014-12-08 A kind of central air conditioning water system that automatically can carry out scrubbing to filter

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Application Number Priority Date Filing Date Title
CN201420768879.XU CN204460519U (en) 2014-12-08 2014-12-08 A kind of central air conditioning water system that automatically can carry out scrubbing to filter

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445198A (en) * 2015-08-21 2016-03-30 上海三盛金属制品有限公司 Alarm system with automatic water pipe cleanliness detection
CN106994266A (en) * 2016-01-26 2017-08-01 北京豪盛恒大科技有限公司 A kind of central air-conditioning filtration system and its filter method
CN107019950A (en) * 2017-05-24 2017-08-08 安徽科恩新能源有限公司 Water system central air-conditioning warms up well tube filter back purge system
CN108467125A (en) * 2018-05-07 2018-08-31 上海市安装工程集团有限公司 Simple filter apparatus and its application method for air-conditioner circulating water system
CN111285183A (en) * 2018-12-10 2020-06-16 卓郎纺织解决方案两合股份有限公司 Air extraction system
CN113028290A (en) * 2021-04-28 2021-06-25 中建五局安装工程有限公司 Pipeline system with flushing function and flushing method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105445198A (en) * 2015-08-21 2016-03-30 上海三盛金属制品有限公司 Alarm system with automatic water pipe cleanliness detection
CN106994266A (en) * 2016-01-26 2017-08-01 北京豪盛恒大科技有限公司 A kind of central air-conditioning filtration system and its filter method
CN106994266B (en) * 2016-01-26 2024-04-19 北京豪盛恒大科技有限公司 Central air conditioner filtering system and filtering method thereof
CN107019950A (en) * 2017-05-24 2017-08-08 安徽科恩新能源有限公司 Water system central air-conditioning warms up well tube filter back purge system
CN108467125A (en) * 2018-05-07 2018-08-31 上海市安装工程集团有限公司 Simple filter apparatus and its application method for air-conditioner circulating water system
CN111285183A (en) * 2018-12-10 2020-06-16 卓郎纺织解决方案两合股份有限公司 Air extraction system
CN113028290A (en) * 2021-04-28 2021-06-25 中建五局安装工程有限公司 Pipeline system with flushing function and flushing method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150708

Termination date: 20171208

CF01 Termination of patent right due to non-payment of annual fee