CN104833111A - Downpipe frost crack prevention device - Google Patents
Downpipe frost crack prevention device Download PDFInfo
- Publication number
- CN104833111A CN104833111A CN201510275643.1A CN201510275643A CN104833111A CN 104833111 A CN104833111 A CN 104833111A CN 201510275643 A CN201510275643 A CN 201510275643A CN 104833111 A CN104833111 A CN 104833111A
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- China
- Prior art keywords
- downpipe
- check valve
- support
- stationary magazine
- magazine creel
- 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.)
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
- Check Valves (AREA)
Abstract
The invention provides a downpipe frost crack prevention device and is used for solving the problem that an existing building downpipe is prone to bursting by freezing in winner. A solar cell panel is arranged on the upper portion of a support, and an angular adjustment assembly is arranged between the solar cell panel and the support; a solar water heater is arranged on the upper portion of the support, a water storage tank of the solar water heater is connected with a shell body through a water supply pipe, a piston is arranged in an inner cavity of the shell body in a moving mode, an air cylinder is arranged between the piston and the support, a first check valve and a second check valve are arranged at a blocking end of the shell body, and the first check valve is connected with a first water pipe; the second check valve is connected with the water supply pipe, the other end of the first water pipe is connected with a radiator, the radiator is arranged in the downpipe and is in contact with the inner wall of the downpipe in a matched mode, the other connecting opening of the radiator is connected with a second water pipe, and the other end of the second water pipe is connected with the water storage tank. Thawing of freezing formed in the inner wall of the downpipe can be achieved, and the downpipe is prevented from being damaged and busted by freezing.
Description
Technical field
The present invention relates to downpipe technical field, specifically a kind of frost crack proof device of downpipe.
Background technology
Downpipe for collecting the rainwater that roof is accumulated, and is expelled on ground.Downpipe on existing structure, when wintry weather is cold, is easy to freeze, causes downpipe bursting by freezing.As shown in Figure 1, downpipe is arranged on building walls 1, the roof drain at downpipe 2 top is placed in roof portion, for collecting rainwater, the top of downpipe becomes bending, as shown in A-A section, because the downpipe at this position becomes bending, and adjacent roof drain, therefore the rainwater flow velocity of A-A section is little, and rainwater is easy to be frozen in A-A section.Therefore, being badly in need of a kind of downpipe frost crack proof device, for removing the rainwater that downpipe tube wall freezes, preventing downpipe bursting by freezing.
Summary of the invention
The object of the present invention is to provide a kind of downpipe frost crack proof device, for solving the problem of existing building downpipe easily bursting by freezing in the winter time.
The present invention solves the technical scheme that its technical problem takes: downpipe frost crack proof device, it is characterized in that, comprise support, solar panel, solar water heater, water filling assembly, radiator and angle adjustment assembly, the solar panel be obliquely installed is provided with on the top of described support, between described solar panel and support, be provided with angle adjustment assembly, described solar panel is connected with the storage battery be positioned on support, solar water heater is provided with on the top of described support, the storage tank of described solar water heater is connected with water filling assembly by a feed pipe, and electrically operated valve is provided with on described feed pipe, described water filling assembly comprises housing, piston, cylinder, first check valve and the second check valve, described housing is the hollow structure of open at one end one end shutoff and described housing is arranged on support, piston is movably set with in the inner chamber of described housing, described piston contacts with housing cavity and coordinates and good seal, cylinder is provided with between described piston and support, the first check valve and the second check valve is provided with at the shutoff end of described housing, described first check valve is connected with the first water pipe, hot water in housing cavity can flow in the first water pipe through the first check valve, described second check valve is connected with feed pipe, and the hot water in storage tank can enter into housing cavity through feed pipe and the second check valve,
The other end of described first water pipe is connected with an interface of described radiator, described radiator is placed in downpipe and coordinates with downpipe contact internal walls, another interface of described radiator is connected with the second water pipe, and the other end of described second water pipe is connected with storage tank.
Further, described angle adjustment assembly comprises the leading screw being rotatably installed in frame upper, the feed screw nut coordinated with leading screw, the connecting rod that is arranged on the fixed block on feed screw nut and is articulated and connected with fixed block, the other end of described connecting rod is connected with the upper articulation of the carriage of support solar cell panel, bottom and the support of described carriage are articulated and connected, and are provided with the driving mechanism driving screw turns on the bracket.
Further, described driving mechanism comprise be fixed on leading screw worm gear, with the worm screw of worm gear engagement fit, be fixed on the driven wheel of differential on worm shaft and the drive bevel gear with driven wheel of differential engagement fit, described drive bevel gear is fixed on motor output shaft, described motor is connected with storage battery, and described worm screw is connected with holder pivots.
Further, described first check valve comprises the first connector and the first stationary magazine creel, described first connector is circular hollow structure and is fixed on housing, described first stationary magazine creel is circular hollow structure and is placed in housing cavity, and described first stationary magazine creel is connected with the inner thread of the first connector; The inner chamber of described first stationary magazine creel is stepped hole, arcwall face is provided with at the described aperture of the first stationary magazine creel and the intersection of macropore, described first connector being placed in housing cavity is provided with the first spring, the free end of described first spring extends in the inner chamber of the first stationary magazine creel, be provided with the first steel ball at the free end of described first spring, under the effect of the first spring, described first steel ball contacts with arcwall face and coordinates.
Further, described second check valve comprises the second connector and the second stationary magazine creel, described second connector is circular hollow structure and is fixed on housing, described second stationary magazine creel is circular hollow structure and is placed in housing cavity, and described second stationary magazine creel is connected with the inner thread of the second connector; The inner chamber of described second stationary magazine creel is stepped hole, arcwall face is provided with at the described aperture of the second stationary magazine creel and the intersection of macropore, described second connector being placed in housing cavity is provided with the second spring, the free end of described second spring extends in the inner chamber of the second stationary magazine creel, be provided with the second steel ball at the free end of described second spring, under the effect of the second spring, described second steel ball contacts with arcwall face and coordinates.
Further, described radiator comprises support ring, the first helix tube, flexible pipe, the second helix tube and spring, the top of described first helix tube is fixed on support ring and the first helix tube upper interface is connected with the first water pipe, described first helix tube lower interface is connected with a flexible pipe, the other end of described flexible pipe is connected with the second helix tube upper interface, described second helix tube lower interface is connected with the second water pipe, between the bottom and the top of the second helix tube of described first helix tube, be provided with the 3rd spring.
Further, described second water pipe is placed in the inner chamber of the first helix tube and the second helix tube.
The invention has the beneficial effects as follows: downpipe frost crack proof device provided by the invention, absorb solar energy by solar panel and be converted into electric energy, by solar water heater, water is heated, hot water enters into water filling assembly, under the effect of cylinder and piston, hot water flows in radiator, radiator is placed in downpipe, heat is distributed the thawing realized sleet that downpipe inwall freezes by radiating tube, and the continuous action of cylinder, hot water circulates between storage tank, housing, the first water pipe, the second water pipe and radiator.This device, can to freeze problem by the sleet effectively alleviated on downpipe inwall, and bursting by freezing damages because freezing to avoid downpipe.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of existing building downpipe;
Fig. 2 is schematic diagram of the present invention;
Fig. 3 be solar panel with support coordinate schematic diagram;
Fig. 4 is driving mechanism schematic diagram;
Fig. 5 is water filling assembly schematic diagram;
Fig. 6 is the B place partial enlarged drawing in Fig. 5;
Fig. 7 is the operating diagram of the first check valve;
Fig. 8 is the water filling schematic diagram of water filling assembly;
Fig. 9 is the water suction schematic diagram of water filling assembly;
Figure 10 is the schematic diagram of heat elimination assembly;
Figure 11 is that solar panel regulates schematic diagram;
Figure 12 is the schematic diagram of the first connector;
Figure 13 is the C place partial enlarged drawing in Fig. 5;
In figure: 1 building walls, 2 downpipes, 21 roof drains, 3 supports, 31 grooves, 32 bearings, 33 leading screws, 34 feed screw nuts, 35 fixed blocks, 36 connecting rods, 37 solar panels, 371 first journal stirrups, 372 second journal stirrups, 381 worm gears, 382 worm screws, 383 driven wheels of differential, 384 drive bevel gear, 39 motors, 4 solar water heaters, 41 storage tanks, 42 water tanks support, 43 feed pipes, 44 electrically operated valves, 5 housings, 51 housings support, 52 pistons, 53 cylinders, 531 cylinder piston rods, 532 ring flanges, 54 first connectors, 541 water stream channels, 542 external screw threads, 543 installing holes, 544 apertures, 55 first stationary magazine creels, 551 first steel balls, 552 first springs, 56 second connectors, 57 second stationary magazine creels, 571 second steel balls, 572 second springs, 61 first water pipes, 62 second water pipes, 7 radiators, 71 support rings, 72 first helix tubes, 73 flexible pipes, 74 second helix tubes, 75 the 3rd springs, 8 hot water.
Detailed description of the invention
As shown in Fig. 2 to Figure 13, the present invention includes support 3, solar panel 37, angle adjustment assembly, solar water heater 4, water filling assembly and radiator 7, below in conjunction with accompanying drawing, present invention is described.
As shown in Figure 2, support 3 is support component of the present invention, is welded by section bar.As shown in Figure 3, a groove 31 is provided with on the top of support, be rotatablely equipped with the leading screw 33 of a horizontal positioned by bearing 32 between the left and right sidewall of groove, leading screw coordinates feed screw nut 34 is installed, be installed with fixed block 35 on the top of feed screw nut, hinged on fixed block a connecting rod 36 be installed.Solar panel 37 is arranged in carriage, is provided with two journal stirrups setting up and down in the bottom of carriage, and the length being respectively first journal stirrup 371 on top and the second journal stirrup 372, first journal stirrup of bottom is greater than the length of the second journal stirrup.The other end and first journal stirrup of connecting rod are articulated and connected, and the second journal stirrup and support are articulated and connected, and such solar panel is articulated and connected by first, second journal stirrup and support.When screw turns, feed screw nut can be driven to move horizontally, and then drive carriage to rotate around the pin joint of the second journal stirrup and support.
For driving the rotation of leading screw, as shown in Figure 3, Figure 4, leading screw is installed with a worm gear 381, worm gear and vertical worm screw 382 engagement fit be rotatably installed on support, worm shaft is installed with a driven wheel of differential 383, driven wheel of differential and drive bevel gear 384 engagement fit, drive bevel gear is fixed on the output shaft of motor 39.Worm gear, worm screw, drive bevel gear and driven wheel of differential constitute driving mechanism, and driving mechanism and leading screw, feed screw nut and connecting rod constitute angle adjustment assembly.
As shown in Figure 2, be provided with solar water heater 4 on the top of support, be provided with water tank on the top of support and support 42, on water tank supports, be placed with storage tank 41.Between storage tank and the thermal-collecting tube of solar water heater, be provided with pipeline and conduction oil, be connected with a feed pipe 43 in the bottom of storage tank, the other end of feed pipe is connected with water filling assembly.
As shown in Figure 5, water filling assembly comprises housing 5, housings support 51, piston 52, cylinder 53, first check valve and the second check valve, housing 5 is the hollow structure of the circle of open at one end, is provided with housings support 51 in the bottom of housing, and housing is rack-mount by housings support.In the inner chamber of housing, be provided with a piston 52, piston coordinates and good seal with the Contact of inner walls.The first check valve is provided with at the shutoff end of housing, the second check valve is provided with in the side of housing, as shown in Figure 6, first check valve comprises the first connector 54 and the first stationary magazine creel 55, as shown in figure 12, first connector 54 is overall conglobate hollow structure, the inner chamber of the first connector is made up of the water stream channel 541 set gradually from left to right, aperture 544 and installing hole 543, installing hole is screwed hole, the aperture of installing hole is greater than the internal diameter of water stream channel, the aperture of water stream channel is greater than the aperture of aperture, and the setting of aperture is the installation being convenient to spring.In installing hole, screw thread is provided with the first stationary magazine creel 55, first stationary magazine creel is overall conglobate hollow metal part or working of plastics, the inner chamber of the first stationary magazine creel is stepped hole, first stationary magazine creel is topped bar the one end at macropore place, hole and installing hole threaded engagement, one first spring 552 is provided with in the installing hole of the first connector, one first steel ball 551 is fixed with at the free end of the first spring, first steel ball is placed in the first stationary magazine creel and tops bar the aperture in hole and macropore intersection, and is provided with the arcwall face of fitting with the first steel ball at this intersection.Under nature, the first steel ball and arcwall face close contacting fit under the effect of the first spring.As shown in Figure 7, when liquid from the first stationary magazine creel top bar the aperture in hole move to macropore effluent time, the elastic force effect of the first spring can be overcome, and then liquid-driving first steel ball is moved to the left, now the first steel ball is separated with arcwall face, the inner chamber of the first stationary magazine creel just can flow into by liquid, and the inner chamber through the first connector flows out.Be provided with external screw thread 542 in the one end of the first connector being placed in hull outside, by this external screw thread, connector and other parts carried out pipe and be connected.During installation, the first stationary magazine creel is made to be placed in housing cavity.As shown in Figure 8, when piston moves to the right, the fluid that just can promote in housing flows out through the first check valve.Second check valve is identical with the structure of the first check valve, as shown in figure 13, the structure that second check valve comprises the second connector 56 and the second stationary magazine creel 57, second connector and the first connector is slightly different, and the structure of the second stationary magazine creel and the first stationary magazine creel is slightly different.One end of second connector is placed in outside housing cavity, and is provided with external screw thread at this end; The other end of the second connector is arranged in housing cavity, and on the second connector being placed in housing cavity, screw thread installs the second stationary magazine creel 57.Second stationary magazine creel is overall conglobate hollow metal part or working of plastics, the inner chamber of the second stationary magazine creel is stepped hole, arcwall face is provided with at the aperture of this stepped hole and macropore intersection, the second spring 572 is provided with at the large nose end of stepped hole, fix the second steel ball 571, second steel ball at the free end of the second spring to contact with arcwall face and coordinate.As shown in Figure 9, when piston moves to the right, the cavity volume on the left of housing becomes large, pressure diminishes, and the second steel ball that liquid just promotes in the second check valve compresses the second spring, and the second steel ball is separated with arcwall face, liquid just enters in housing cavity through hull outside, completes water injection work.For the movement of driven plunger, be provided with cylinder 53 on the top of support, cylinder piston rod 531 is fixedly connected with piston by flange 532.
The one end being placed in hull outside at the first check valve is connected with the first water pipe 61, radiator 7 is connected with at the other end of the first water pipe, as shown in Figure 10, radiator comprises support ring 71, first helix tube 72, flexible pipe 73, second helix tube 74 and the 3rd spring 75, support ring is the metalwork of annular, support ring is installed with the first helix tube 72, first helix tube is spiral helicine metal tube, the top of the first helix tube is fixed on support ring and the upper interface end of the first helix tube is connected with the first water pipe, a flexible pipe 73 is connected at the lower interface end of the first helix tube, the second helix tube 74 is connected with at the other end of flexible pipe, the interface of the second helix tube bottom is connected with the second water pipe 62, the other end of the second water pipe is connected with storage tank.One the 3rd spring 75 is provided with between the second helix tube top and the first helix tube bottom, as shown in Figure 2, during installation, extend into by radiator in the A-A section of downpipe, under the effect of flexible pipe and the 3rd spring, the first helix tube and the second helix tube have angle and arrange, first helix tube is placed in vertical downpipe, second helix tube is placed in oblique downpipe, and to adapt to the bending section on downpipe top, and radiator coordinates with downpipe contact internal walls.
During use, when cylinder piston rod stretches out, hot water 8 in housing cavity enters into the first helix tube and the second helix tube through the first check valve, the first water pipe, hot water is in the process flowing through radiator, transfer heat to radiator, then pass to rainwater or snow that downpipe inwall freezes, the rainwater freezed like this is heated thawing, thus realizes the deicing operation to downpipe inwall.When cylinder piston rod is retracted, the hot water in storage tank enters into housing cavity through feed pipe.Cylinder piston rod constantly stretches, and hot water constantly flows in housing cavity from storage tank, then in inflow radiator, finally flows back in storage tank.For realizing controlling the break-make of feed pipe, feed pipe is provided with electrically operated valve 44, and electrically operated valve is by the battery energy supply be positioned on support, and battery is electrically connected with solar panel.
In snowy weather, pile up on solar panel for avoiding sleet, affect the normal work of solar panel, can drive screw turns that feed screw nut is moved to the right, until solar panel is in vertical state, as shown in figure 11, or make solar panel close to vertical state, now sleet can not be piled up on solar panel.For ease of the layout of the second water pipe, the second water pipe is placed in the inner chamber of the first helix tube and the second helix tube.
Claims (7)
1. downpipe frost crack proof device, it is characterized in that, comprise support, solar panel, solar water heater, water filling assembly, radiator and angle adjustment assembly, the solar panel be obliquely installed is provided with on the top of described support, between described solar panel and support, be provided with angle adjustment assembly, described solar panel is connected with the storage battery be positioned on support, solar water heater is provided with on the top of described support, the storage tank of described solar water heater is connected with water filling assembly by a feed pipe, and electrically operated valve is provided with on described feed pipe, described water filling assembly comprises housing, piston, cylinder, first check valve and the second check valve, described housing is the hollow structure of open at one end one end shutoff and described housing is arranged on support, piston is movably set with in the inner chamber of described housing, described piston contacts with housing cavity and coordinates and good seal, cylinder is provided with between described piston and support, the first check valve and the second check valve is provided with at the shutoff end of described housing, described first check valve is connected with the first water pipe, hot water in housing cavity can flow in the first water pipe through the first check valve, described second check valve is connected with feed pipe, and the hot water in storage tank can enter into housing cavity through feed pipe and the second check valve,
The other end of described first water pipe is connected with an interface of described radiator, described radiator is placed in downpipe and coordinates with downpipe contact internal walls, another interface of described radiator is connected with the second water pipe, and the other end of described second water pipe is connected with storage tank.
2. downpipe frost crack proof device according to claim 1, it is characterized in that, described angle adjustment assembly comprises the leading screw being rotatably installed in frame upper, the feed screw nut coordinated with leading screw, the connecting rod that is arranged on the fixed block on feed screw nut and is articulated and connected with fixed block, the other end of described connecting rod is connected with the upper articulation of the carriage of support solar cell panel, bottom and the support of described carriage are articulated and connected, and are provided with the driving mechanism driving screw turns on the bracket.
3. downpipe frost crack proof device according to claim 2, it is characterized in that, described driving mechanism comprise be fixed on leading screw worm gear, with the worm screw of worm gear engagement fit, be fixed on the driven wheel of differential on worm shaft and the drive bevel gear with driven wheel of differential engagement fit, described drive bevel gear is fixed on motor output shaft, described motor is connected with storage battery, and described worm screw is connected with holder pivots.
4. downpipe frost crack proof device according to claim 1, it is characterized in that, described first check valve comprises the first connector and the first stationary magazine creel, described first connector is circular hollow structure and is fixed on housing, described first stationary magazine creel is circular hollow structure and is placed in housing cavity, and described first stationary magazine creel is connected with the inner thread of the first connector; The inner chamber of described first stationary magazine creel is stepped hole, arcwall face is provided with at the described aperture of the first stationary magazine creel and the intersection of macropore, described first connector being placed in housing cavity is provided with the first spring, the free end of described first spring extends in the inner chamber of the first stationary magazine creel, be provided with the first steel ball at the free end of described first spring, under the effect of the first spring, described first steel ball contacts with arcwall face and coordinates.
5. downpipe frost crack proof device according to claim 1, it is characterized in that, described second check valve comprises the second connector and the second stationary magazine creel, described second connector is circular hollow structure and is fixed on housing, described second stationary magazine creel is circular hollow structure and is placed in housing cavity, and described second stationary magazine creel is connected with the inner thread of the second connector; The inner chamber of described second stationary magazine creel is stepped hole, arcwall face is provided with at the described aperture of the second stationary magazine creel and the intersection of macropore, described second connector being placed in housing cavity is provided with the second spring, the free end of described second spring extends in the inner chamber of the second stationary magazine creel, be provided with the second steel ball at the free end of described second spring, under the effect of the second spring, described second steel ball contacts with arcwall face and coordinates.
6. downpipe frost crack proof device according to claim 1, it is characterized in that, described radiator comprises support ring, first helix tube, flexible pipe, second helix tube and spring, the top of described first helix tube is fixed on support ring and the first helix tube upper interface is connected with the first water pipe, described first helix tube lower interface is connected with a flexible pipe, the other end of described flexible pipe is connected with the second helix tube upper interface, described second helix tube lower interface is connected with the second water pipe, the 3rd spring is provided with between the bottom and the top of the second helix tube of described first helix tube.
7. downpipe frost crack proof device according to claim 6, is characterized in that, described second water pipe is placed in the inner chamber of the first helix tube and the second helix tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510275643.1A CN104833111B (en) | 2015-05-26 | 2015-05-26 | Downpipe frost crack proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510275643.1A CN104833111B (en) | 2015-05-26 | 2015-05-26 | Downpipe frost crack proof device |
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| Publication Number | Publication Date |
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| CN104833111A true CN104833111A (en) | 2015-08-12 |
| CN104833111B CN104833111B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510275643.1A Active CN104833111B (en) | 2015-05-26 | 2015-05-26 | Downpipe frost crack proof device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730525A (en) * | 2016-12-15 | 2017-05-31 | 郑展飞 | A kind of used in fire-fighting fire water defroster |
| CN110274492A (en) * | 2019-07-19 | 2019-09-24 | 广东一也节能科技有限公司 | A kind of efficient industrial tail gas waste-heat recovery device |
| CN112982270A (en) * | 2021-03-23 | 2021-06-18 | 深圳市嘉能达贸易有限公司 | Device that opens ice in overpass drainage pipe |
| CN114288597A (en) * | 2022-01-05 | 2022-04-08 | 北京市巨龙工程有限公司 | Explosion-proof and impact-proof fire water spraying system |
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| JP2007191969A (en) * | 2006-01-20 | 2007-08-02 | Kubota Ci Kk | Piping system, building using the same, and 24-hour heat exchange ventilator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106730525A (en) * | 2016-12-15 | 2017-05-31 | 郑展飞 | A kind of used in fire-fighting fire water defroster |
| CN110274492A (en) * | 2019-07-19 | 2019-09-24 | 广东一也节能科技有限公司 | A kind of efficient industrial tail gas waste-heat recovery device |
| CN112982270A (en) * | 2021-03-23 | 2021-06-18 | 深圳市嘉能达贸易有限公司 | Device that opens ice in overpass drainage pipe |
| CN114288597A (en) * | 2022-01-05 | 2022-04-08 | 北京市巨龙工程有限公司 | Explosion-proof and impact-proof fire water spraying system |
| CN114288597B (en) * | 2022-01-05 | 2022-08-26 | 北京市巨龙工程有限公司 | Explosion-proof and impact-proof fire water spraying system |
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| Publication number | Publication date |
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| CN104833111B (en) | 2016-08-31 |
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