CN210013400U - Automatically unfreezable downpipe for greenhouse - Google Patents
Automatically unfreezable downpipe for greenhouse Download PDFInfo
- Publication number
- CN210013400U CN210013400U CN201920586035.6U CN201920586035U CN210013400U CN 210013400 U CN210013400 U CN 210013400U CN 201920586035 U CN201920586035 U CN 201920586035U CN 210013400 U CN210013400 U CN 210013400U
- Authority
- CN
- China
- Prior art keywords
- downpipe
- collecting cup
- water collecting
- rainwater
- snow 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
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model provides a downpipe capable of automatically thawing for a greenhouse, which comprises a downpipe outer layer, a downpipe inner layer, a downpipe heat-insulating layer, a heating element, a heat-insulating pipe cutting mark port, a heating element power lead, a heat-insulating pipe protective port, an inner downpipe joint, an outer downpipe joint, a water tank downpipe port, a sleet water collecting cup, a downpipe main leakage net, a collecting cup reset spring, a dry reed switch tube, a permanent magnet, a sleet water collecting cup filter screen and a sleet water collecting cup leakage hole; the heat-insulating layer is positioned between the outer layer and the inner layer of the downpipe, and the heating element is attached to the outer surface of the inner layer of the downpipe; the rainwater and snow water collecting cup is positioned at one end of the inner layer of the downpipe; the upper part of the rainwater and snow water collecting cup is connected with a rainwater and snow water collecting cup filter screen, the middle part of the rainwater and snow water collecting cup filter screen is connected with a rainwater and snow water collecting cup leak hole, and the lower part of the rainwater and snow water collecting cup filter screen is sleeved with a collecting cup reset spring and a downpipe main filter screen. The device has the advantages of good heat preservation, high strength, no water accumulation phenomenon, smooth water drainage and high practical application value.
Description
Technical Field
The utility model relates to a facility engineering control field especially relates to a pipe in water that can unfreeze automatically for greenhouse.
Background
In northern areas of China, the temperature is cold in winter, and the temperature difference between spring and autumn is large. For the greenhouse, plants in the greenhouse need constant temperature, and the greenhouse is damaged due to rain leakage and water seepage phenomena, so that the growth of the plants is influenced, and therefore, the top of the greenhouse is kept dry and is free of accumulated water. Under the environment, the common downpipe of the greenhouse is often blocked, frost crack, blockage caused by rainwater at a water outlet and the like in the drainage process, particularly in the south without sunlight irradiation and positions affected by northwest wind, accumulated water in a water tank after the pipeline is frozen is difficult to drain the top in time, and the harm of water irrigation from the top to a venue and glass burst is caused. Rainwater and snow water can not be drained timely and effectively, the growth and yield of plants in the greenhouse are threatened seriously, the cost is increased by replacement, and adverse factors are brought to people.
The structural design of the traditional downpipe frost-crack prevention protection device is complex, a large amount of resources are wasted in the anti-freezing process, and the downpipe is easily frozen, so that the traditional downpipe frost-crack prevention protection device mainly has the following aspects: (1) in winter, a small amount of residual liquid in the downpipe is easy to freeze due to low temperature, and the water pipe is easy to break according to the freezing trend of ice; (2) a large amount of impurities exist on the inner wall of the downpipe, so that more residual liquid exists in the downpipe, and the icing is more serious. Therefore, the development of a downpipe frost crack prevention protection device which has a simple structural design and low manufacturing cost and saves a large amount of resources is urgently needed. The problem has not been solved effectively, and a strategy using an electric heating element to assist in heating is developed to cope with the above situation.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's drawback and reduce harm, the utility model provides a pipe in water that can unfreeze automatically for greenhouse mainly freezes to cause the pipe in water to break, debris block up the pipe in water and reduce unnecessary loss scheduling problem in order to solve the intraductal liquid that remains of pipe in water.
The utility model provides a pipe in water that can unfreeze automatically for greenhouse, including the pipe in water skin, the pipe in water inlayer, pipe in water heat preservation, heating element, insulating tube cut mark mouth, heating element power lead, insulating tube protect mouthful, interior pipe in water coupling, outer pipe in water coupling, basin mouth in water, sleet water collection cup, pipe in water owner leak net, collect cup reset spring, dry reed switch tube, permanent magnet, sleet water collection cup filter screen and sleet water collection cup small opening. The downpipe heat-insulating layer is located between the downpipe outer layer and the downpipe inner layer, the heating element is attached to the outer surface of the downpipe inner layer in a wrapping mode, the downpipe inner layer, the heating element, the heat-insulating layer and the downpipe outer layer are arranged from inside to outside respectively. The heat preservation pipe cuts the mark mouth and is located pipe in the water outer layer, the pipe in the water inner layer passes through interior pipe in the water articulate, the pipe in the water outer layer passes through outer pipe in the water articulate that falls, heating element with heating element power lead links to each other, the heat preservation pipe protects the mouth and is located the one end of pipe in the water heat preservation, the sleet water is collected the cup and is located the one end on pipe in the water inner layer. The upper portion of the rain and snow water collecting cup is connected with the rain and snow water collecting cup filter screen, the middle portion of the rain and snow water collecting cup is connected with a rain and snow water collecting cup leakage hole, the lower portion of the rain and snow water collecting cup is sleeved with the collecting cup reset spring and the downpipe main leakage net, the collecting cup reset spring is located on the upper portion of the downpipe main leakage net, the permanent magnet is located inside the lower end of the rain and snow water collecting cup, and the permanent magnet controls the closing and the breaking of electric shock of the dry spring switch tube through magnetic coupling.
Preferably, the water tank downpipe port, the rainwater and snow water collecting cup, the downpipe main leakage net and the downpipe inner layer are coaxial; the rainwater and snow water collecting cup, the rainwater and snow water collecting cup filter screen, the rainwater and snow water collecting cup leak hole, the collecting cup reset spring, the permanent magnet and the downpipe main leakage net are coaxial.
Preferably, the heating element is a flexible single heat collection module, and the power supply adopts a low-voltage parallel connection mode; a temperature controller is arranged in the rainwater and snow water collecting cup, and the rainwater and snow water collecting cup is in a conducting state only when the freezing critical value is reached.
Preferably, the upper part of the rainwater and snow water collecting cup is in the shape of a truncated cone, and the lower part of the rainwater and snow water collecting cup is in the shape of a cylinder.
Preferably, the outer diameter of the downpipe main leakage net is equal to the inner diameter of the downpipe inner layer; the outer diameter of the water falling port of the water tank is smaller than or equal to the inner diameter of the inner layer of the water falling pipe; the aperture of the rainwater and snow water collecting cup is smaller than that of the water falling port of the water tank.
Preferably, the aperture of the main drain screen of the downpipe is larger than that of the filter screen of the rainwater and snow water collecting cup, and the number of the fine holes in the filter screen of the rainwater and snow water collecting cup is larger than that of the drain holes of the rainwater and snow water collecting cup.
Preferably, a temperature controller is arranged in the rainwater and snow water collecting cup, and the heating element works when the temperature reaches a heating set value and water is accumulated in the rainwater and snow water collecting cup.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) an electric heating auxiliary heating technology is adopted, when the external temperature is lowered to the freezing point, the heating element is electrified to heat, so that smooth drainage of the pipeline is ensured, and no water accumulation phenomenon exists;
(2) the downpipe is in a double-layer design, the middle of the downpipe is compounded by a heat-insulating material, the heat-insulating and heat-storing performance is good, the strength is high, and the weather resistance is superior to that of the common downpipe;
(3) the automatic condition control system is added, and the heating electric heating element is started to heat only after two conditions are met simultaneously, so that the energy-saving, safe and reliable electric heating device has the characteristics of energy conservation, safety and reliability;
(4) the heating electric heating element is powered by safe low voltage, thus avoiding personal injury caused by electric leakage.
Drawings
FIG. 1 is a side view of the main body of the automatically defreezable downpipe for a greenhouse of the present invention;
FIG. 2 is a side partial view of the automatically defrosted downspout for a greenhouse of the present invention;
fig. 3 is a schematic sectional view of the automatically defreezable downpipe for the greenhouse of the present invention;
FIG. 4 is a schematic view of the installation of the automatically defreezable downpipe for the greenhouse of the present invention;
FIG. 5 is a side partial view of an automatically defreezable downspout for a greenhouse of the present invention; and
fig. 6 is another side partial view of the automatically defrosted downspout for a greenhouse of the present invention.
The main reference numbers:
the device comprises a downpipe outer layer 1, a downpipe inner layer 2, a downpipe heat-insulating layer 3, a heating element 4, a heat-insulating pipe cutting mark port 5, a heating element power supply lead 6, a heat-insulating pipe protection port 7, an inner downpipe joint 8, an outer downpipe joint 9, a water tank downpipe port 10, a rain and snow water collecting cup 11, a downpipe main leakage net 12, a collecting cup reset spring 13, a dry spring switch tube 14, a permanent magnet 15, a rain and snow water collecting cup filter screen 16 and a rain and snow water collecting cup leakage hole 17.
Detailed Description
The technical contents, structural features, and achieved objects and effects of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model discloses a pipe in water that can unfreeze automatically for greenhouse, including pipe in water skin 1, pipe in water inlayer 2, pipe in water heat preservation 3, heating element 4, insulating tube cutting mark mouth 5, heating element power lead 6, insulating tube guard aperture 7, interior pipe in water joint 8, outer pipe in water joint 9, basin pipe in water mouth 10, sleet water collection cup 11, pipe in water owner's screen 12, collect cup reset spring 13, dry reed switch tube 14, permanent magnet 15, sleet water collection cup filter screen 16 and sleet water collection cup small opening 17.
As shown in fig. 3, the downpipe heat-insulating layer 3 is located between the downpipe outer layer 1 and the downpipe inner layer 2, the heating element 4 is attached to the outer surface of the downpipe inner layer 2 in a wrapping mode, the downpipe inner layer 2 is arranged from inside to outside, the heating element 4, the downpipe heat-insulating layer 3 and the downpipe outer layer 1 are arranged from inside to outside, the downpipe heat-insulating layer 3 is provided with heat-insulating materials, when the heating element 4 is electrified to melt ice, the downpipe outer layer 1 is prevented from absorbing heat and icing, and the heat-insulating pipe cutting mark port 5 is located on the downpipe outer layer 1.
As shown in fig. 4, the downpipe inner layer 2 is connected through an inner downpipe joint 8, the downpipe outer layer 1 is connected through an outer downpipe joint 9, as shown in fig. 2, the heating element 4 is connected with the heating element power lead 6, as shown in fig. 5, the thermal insulation pipe protection opening 7 is located at one end of the downpipe thermal insulation layer 3, the rain and snow water collecting cup 11 is located at the uppermost end of the downpipe inner layer 2, and after rain and snow water is received, the weight increasing sleeve of the rain and snow water in the rain and snow water collecting cup 11 is sleeved on the collecting cup return spring 13 at the lower part of the rain and snow water collecting cup 11 to move downwards, and the dry reed switch tube 14 is triggered to be powered on.
As shown in fig. 6, the upper part of the rainwater and snow water collecting cup 11 is connected with a rainwater and snow water collecting cup filter screen 16, the middle part of the rainwater and snow water collecting cup 11 is connected with a rainwater and snow water collecting cup leak hole 17, a collecting cup return spring 13 and a downpipe main leakage net 12 are sleeved on the lower part of the rainwater and snow water collecting cup 11, the collecting cup return spring 13 is positioned on the upper part of the downpipe main leakage net 12, a permanent magnet 15 is positioned inside the lower end of the rainwater and snow water collecting cup 11, and the permanent magnet 15 controls the closing and the opening of the dry spring switch tube 14 through magnetic coupling to control electric shock.
As shown in fig. 5, the sink downpipe opening 10, the rain and snow water collecting cup 11, the downpipe main leakage net 12 and the downpipe inner layer 2 are coaxial; the rain and snow water collecting cup 11, the rain and snow water collecting cup filter screen 16, the rain and snow water collecting cup leakage hole 17, the collecting cup return spring 13 and the downpipe main leakage net 12 are coaxial.
The heating element 4 is a flexible single heat collection module, each group can work independently, and the power supply adopts a low-voltage parallel connection mode; a temperature controller is arranged in the rainwater and snow water collecting cup 11, the rainwater and snow water collecting cup is in a conducting state only when the freezing critical value exists, and the heating element starts to heat only when the temperature reaches a heating set value and accumulated water exists, so that the accumulated water is prevented from freezing in the inner layer of the downpipe to block the pipeline. Based on above two components and parts states, this heating element control system only when having sleet to exist, and real-time external environment also need work under the condition of heating in addition, two condition lack a heating element and do not work.
As shown in fig. 6, the upper portion of the rain and snow water collecting cup 11 is shaped like a truncated cone, the lower portion of the rain and snow water collecting cup 11 is shaped like a cylinder, the rain and snow water collecting cup 11 is designed at the uppermost end of the downpipe, the weight increasing piston moves down to trigger the reed switch tube 14 to be powered on after receiving rain and snow water, the middle of the rain and snow water collecting cup 11 is provided with a rain and snow water collecting cup leakage hole 17, and the rain and snow water collecting cup can be automatically reset and disconnected after water leakage for a short period of time after stopping rain and snow.
The outer diameter of the downpipe main leakage net 12 is equal to the inner diameter of the downpipe inner layer 2; the outer diameter of the water tank downpipe opening 10 is less than or equal to the inner diameter of the downpipe inner layer 2; the aperture of the rainwater and snow water collecting cup 11 is smaller than that of the water tank water falling port 10.
The aperture of the downpipe main leakage net 12 is larger than that of the filter screen 16 of the rain and snow water collecting cup, and the number of the fine holes of the filter screen 16 of the rain and snow water collecting cup is larger than that of the leakage holes 17 of the rain and snow water collecting cup.
The working process of the automatically unfreezable downpipe for the greenhouse of the present invention is further described below with reference to the following embodiments:
the downpipe capable of being automatically thawed can be cut and spliced according to the actual length on site, a heat preservation pipe cutting mark opening 5 is arranged at the outer layer 1 of the downpipe, no heating element 4 is arranged at the position of the heat preservation pipe cutting mark opening 5, the downpipe can be cut by using a cutting tool, and a power supply lead 6 of the heating element is connected with the downpipe of the next stage after cutting, so that the downpipe can be normally used. The outer layer 1 of the downpipe and the inner layer 2 of the downpipe are bonded and spliced by corresponding pipe hoop joints, water is not leaked after splicing, and a power supply wire end is simply spliced.
The automatically unfreezing downpipe can be assembled according to the actual length on site, can be prefabricated in a factory for construction, can be designed into a finished product of 2-4 meters, and is longer than the heating element power supply lead 6, so that a plurality of groups of connection devices can be conveniently connected.
The control system of the downpipe capable of automatically thawing only works under the condition that the real-time external environment also needs to be heated when rain and snow exist, and the heating element 4 does not work under the condition that one of the two conditions is lacked.
After the downpipe capable of automatically thawing is installed, when the downpipe meets general rain and snow weather or the indoor and outdoor temperature difference is not large, the rain and snow water amount passing through the downpipe outfall 10 of the water tank is not large, at the moment, the downpipe outfall 7 flows into the downpipe inner layer 2 through the heat preservation pipe protective opening, and the rain and snow water is discharged from the downpipe through the downpipe main leakage net 12.
When the temperature in the low-temperature indoor environment is too high when severe weather or the temperature outside the greenhouse is met, the environment is easy to freeze, the rain and snow water passing through the water tank water falling port 10 flows into the water falling pipe inner layer 2 through the heat preservation pipe protective port 7, at the moment, the external environment temperature difference is large, part of the rain and snow water passes through the water falling pipe main leakage net 12 and is discharged from the water falling pipe, and in the discharging process, because the temperature of the water falling pipe outer layer 1 is too low, the rain and snow water can freeze at the water falling pipe inner layer 2.
Because the sleet water sensor at the upper port of the downpipe is designed in an integrated mode, and the other small part of water enters the sleet water collecting cup 11 through the sleet water collecting cup filter screen 16, the number of the pores on the sleet water collecting cup filter screen 16 is larger than that of the sleet water collecting cup leakage holes 17, and therefore the water inflow is far larger than the amount of the sleet water collecting cup leakage holes 17 exposed.
The rainwater and snow water collecting cup 11 has a certain weight, along with the increase of the weight of rainwater after the rainwater collecting cup 11 collects rainwater, the weight of rainwater and snow water overcomes a collecting cup return spring 13 sleeved at the lower part of the rainwater and snow water collecting cup 11, the collecting cup return spring 13 starts to move downwards along with the increase of the weight, the collecting cup return spring 13 drives a permanent magnet 15 to move in the process of moving downwards, the permanent magnet 15 moves downwards and gradually approaches a dry spring switch tube 14, so that the dry spring switch tube 14 is closed by electric shock, meanwhile, a temperature sensor positioned in the rainwater and snow water collecting cup 11 senses that the external temperature reaches a freezing critical value, for example, when the freezing critical value can be set to be 2-0 ℃, the system receives an operating instruction.
After the rainwater and snow water are finished, the rainwater and snow water are slowly drained through the rainwater and snow water collecting cup leakage holes 17 of the rainwater and snow water collecting cup 11, the weight of the rainwater and snow water collecting cup 11 is gradually reduced, the rainwater and snow water are sprung by the collecting cup return spring 13, the permanent magnet 15 is driven to act in the upward moving process of the collecting cup return spring 13, the dry spring switch tube 14 is switched off from a closed state due to the fact that the magnetic coupling electric shock state of the permanent magnet 15 is lost, and the heater also stops working at the moment.
The utility model discloses a sleet water sensor has been installed in control circuit, after the system obtained the instruction, opens temperature switch, and temperature switch drives the relay motion thereupon, makes heating element's power converter circular telegram, after the power converter switch-on to the mode laminating of parcel begins to heat pipe inner layer 2 in the water at heating element 4 of 2 surfaces of pipe inlayer in the water, makes the rainwater that has frozen and freeze begin to melt and discharge from the pipe in the water.
The utility model is used for the automatically unfreezing downpipe of the greenhouse, can be cut out and integrally used, is convenient to use, and simultaneously heats the heating material on the inner layer of the downpipe, so that the drainage of the downpipe is smooth, the ponding phenomenon is avoided, the utilization rate is improved, and the material is saved; the heating material is powered by low voltage, so that the damage to a human body caused by electric leakage is prevented, and the heating material is universal, low in cost and convenient to popularize and apply.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. A downpipe capable of automatically unfreezing for a greenhouse comprises a downpipe outer layer, a downpipe inner layer, a downpipe heat-insulating layer, a heating element, a heat-insulating pipe cutting mark opening, a heating element power supply lead wire, a heat-insulating pipe protection opening, an inner downpipe connector, an outer downpipe connector, a water tank downpipe opening, a rainwater and snow water collecting cup, a downpipe main leakage net, a collecting cup reset spring, a reed switch pipe, a permanent magnet, a rainwater and snow water collecting cup filter screen and a rainwater and snow water collecting cup leakage hole,
the downpipe heat-insulating layer is positioned between the downpipe outer layer and the downpipe inner layer, and the heating element is attached to the outer surface of the downpipe inner layer in a wrapping mode; the thermal insulation pipe cutting mark port is positioned at the outer layer of the downpipe, the inner layer of the downpipe is connected through the inner downpipe joint, the outer layer of the downpipe is connected through the outer downpipe joint, the heating element is connected with the power supply lead of the heating element, the thermal insulation pipe protective port is positioned at one end of the downpipe thermal insulation layer, and the rainwater and snow water collecting cup is positioned at one end of the inner layer of the downpipe; and
the upper portion of the rain and snow water collecting cup is connected with the rain and snow water collecting cup filter screen, the middle portion of the rain and snow water collecting cup is connected with a rain and snow water collecting cup leakage hole, the lower portion of the rain and snow water collecting cup is sleeved with the collecting cup reset spring and the downpipe main leakage net, the collecting cup reset spring is located on the upper portion of the downpipe main leakage net, the permanent magnet is located inside the lower end of the rain and snow water collecting cup, and the permanent magnet controls the closing and the breaking of electric shock of the dry spring switch tube through magnetic coupling.
2. The automatically unfreezable downpipe for a greenhouse of claim 1, wherein the gutter downpipe, the snowwater collection cup, the downpipe main screen, and the downpipe inner layer are coaxial; the rainwater and snow water collecting cup, the rainwater and snow water collecting cup filter screen, the rainwater and snow water collecting cup leak hole, the collecting cup reset spring, the permanent magnet and the downpipe main leakage net are coaxial.
3. The automatically unfreezable water downpipe for a greenhouse according to claim 1 or 2, wherein the heating element is a flexible single heat collection type module, and a power supply adopts a low-voltage parallel connection mode; a temperature controller is arranged in the rainwater and snow water collecting cup, and the rainwater and snow water collecting cup is in a conducting state only when the freezing critical value is reached.
4. The automatically unfreezable downpipe for a greenhouse of claim 1 or 2, wherein an upper outer shape of the rainwater and snow water collecting cup is a truncated cone, and a lower outer shape of the rainwater and snow water collecting cup is a cylinder.
5. The automatically unfreezable downpipe for a greenhouse of claim 1 or 2, wherein an outer diameter of the downpipe main screen is equal to an inner diameter of an inner layer of the downpipe; the outer diameter of the water falling port of the water tank is smaller than or equal to the inner diameter of the inner layer of the water falling pipe; the aperture of the rainwater and snow water collecting cup is smaller than that of the water falling port of the water tank.
6. The automatically unfreezable downpipe for a greenhouse of claim 5, wherein a pore diameter of the downpipe main strainer is larger than a pore diameter of the filter screen of the rainwater collection cup, and a number of pores of the filter screen of the rainwater collection cup is larger than a number of pores of the filter screen of the rainwater collection cup.
7. The automatically unfreezable water falling pipe for the greenhouse according to claim 4, wherein a temperature controller is arranged inside the rainwater and snow water collecting cup, and the heating element works when the temperature reaches a heating set value and water is accumulated in the rainwater and snow water collecting cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586035.6U CN210013400U (en) | 2019-04-26 | 2019-04-26 | Automatically unfreezable downpipe for greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586035.6U CN210013400U (en) | 2019-04-26 | 2019-04-26 | Automatically unfreezable downpipe for greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013400U true CN210013400U (en) | 2020-02-04 |
Family
ID=69315862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920586035.6U Active CN210013400U (en) | 2019-04-26 | 2019-04-26 | Automatically unfreezable downpipe for greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111631054A (en) * | 2020-05-09 | 2020-09-08 | 朱岳军 | Three-state efficient rainwater collection device based on agricultural greenhouse |
| CN111827593A (en) * | 2020-07-25 | 2020-10-27 | 惠州市城乡建筑工程有限公司 | Energy-conserving housing construction drainage system |
-
2019
- 2019-04-26 CN CN201920586035.6U patent/CN210013400U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111631054A (en) * | 2020-05-09 | 2020-09-08 | 朱岳军 | Three-state efficient rainwater collection device based on agricultural greenhouse |
| CN111631054B (en) * | 2020-05-09 | 2021-11-02 | 湖南杨氏鲜果有限公司 | Three-state efficient rainwater collection device based on agricultural greenhouse |
| CN111827593A (en) * | 2020-07-25 | 2020-10-27 | 惠州市城乡建筑工程有限公司 | Energy-conserving housing construction drainage system |
| CN111827593B (en) * | 2020-07-25 | 2021-06-18 | 惠州市城乡建筑工程有限公司 | Energy-conserving housing construction drainage system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210013400U (en) | Automatically unfreezable downpipe for greenhouse | |
| CN106718364B (en) | Roof rainwater retention multi-arch structure and green roof intelligent irrigation system and method | |
| CN103104071A (en) | Intelligent snow-removing and solar-protection device | |
| CN202139642U (en) | Automatic water tower freezing-preventing device | |
| CN203174909U (en) | Electrically-heated siphoning type rain strainer | |
| CN107989288B (en) | House heating type snow melting system and using method thereof | |
| CN215054669U (en) | Rainwater pipe system suitable for rural pitched roof in north | |
| CN201762908U (en) | Roofing electrothermal snow melted ice water funnel | |
| CN213234045U (en) | Energy-saving snow melting device | |
| CN205369745U (en) | Drain pipe with frostproofing function | |
| CN201762909U (en) | Heating drainpipe | |
| CN111990125A (en) | Greenhouse with temperature adjusting structure | |
| CN201817980U (en) | Heat tracing water discharge outlet sleeve | |
| CN206487085U (en) | Apparatus for falling in water and building | |
| CN2416166Y (en) | Electric heating water flow | |
| CN211597428U (en) | Anti-freezing thawing device | |
| CN201762910U (en) | Heating drainpipe | |
| CN113047539B (en) | Anti-icing rainwater pipe system suitable for northern flat roof and working method | |
| CN204475702U (en) | A kind of residential appliances has the dewatering installation of ventilation and antifreeze function | |
| CN219710796U (en) | Roof gutter snow-melting and ice-melting device | |
| CN212868952U (en) | Anti-freezing device for drip irrigation pipe | |
| CN109629642B (en) | Reclaimed water system applied to family and community greening | |
| CN219159024U (en) | Cold region tunnel ventilation and heating heat preservation side ditch system | |
| CN216113753U (en) | Street lamp with solar snow melting function | |
| CN215368309U (en) | Architectural design roof eaves mouth waterproof construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |