CN109667312B - Automatic circular supply device and method for garden ecological water resources - Google Patents

Automatic circular supply device and method for garden ecological water resources Download PDF

Info

Publication number
CN109667312B
CN109667312B CN201910113988.5A CN201910113988A CN109667312B CN 109667312 B CN109667312 B CN 109667312B CN 201910113988 A CN201910113988 A CN 201910113988A CN 109667312 B CN109667312 B CN 109667312B
Authority
CN
China
Prior art keywords
water
tank
garden
supply device
automatic circular
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
Application number
CN201910113988.5A
Other languages
Chinese (zh)
Other versions
CN109667312A (en
Inventor
冯伟伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Muya Gardening Co ltd
Original Assignee
Shenzhen Muya Gardening Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Muya Gardening Co ltd filed Critical Shenzhen Muya Gardening Co ltd
Priority to CN201910113988.5A priority Critical patent/CN109667312B/en
Publication of CN109667312A publication Critical patent/CN109667312A/en
Application granted granted Critical
Publication of CN109667312B publication Critical patent/CN109667312B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply
    • E03B11/02Arrangements or adaptations of tanks for water supply for domestic or like local water supply
    • E03B11/06Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
    • E03B11/08Air regulators
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention relates to an automatic circular supply device for garden ecological water resources, which comprises a water storage and storage tank, a plurality of garden water bodies to be balanced, a water discharge and discharge tank and a circulating device, wherein the water storage and storage tank is arranged in the garden water bodies to be balanced; the circulating device comprises a closed transfer water tank, and the side wall of the transfer water tank is communicated with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner through a plurality of pipelines; the end part of the pipeline is provided with a water level monitoring unit and an electromagnetic valve for controlling the opening or closing of the interior of the pipeline; the top of the transit water tank is provided with a pressure control unit for controlling the internal air pressure, a controller for controlling the pressure control unit and a communication unit for communicating with the outside; the water level monitoring units and the electromagnetic valves are electrically connected with and controlled by the controller; the device is simple, can accomplish current easy improvement in the gardens, low cost when improving water self-balancing state.

Description

Automatic circular supply device and method for garden ecological water resources
Technical Field
The invention relates to the technical field of gardens, in particular to an automatic circular supply device and method for garden ecological water resources.
Background
Gardens are beautiful natural environments and rest regions which are created by applying engineering technology and artistic means in a certain region and modifying the terrain (or further building mountains, stacking stones and managing water), planting trees, flowers and plants, building buildings, arranging garden roads and the like;
at present, most of water bodies in gardens are relatively independent, a set of automatic circulating water body system can be established only in the initial stage of garden planning, and the formed gardens need to be changed by a huge amount of engineering, so that the cost is very high.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic circular supply device for garden ecological water resources, aiming at the defects in the prior art;
also provides an automatic circular supply method of garden ecological water resources.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an automatic circular supply device for garden ecological water resources is constructed, wherein the automatic circular supply device comprises a water storage and storage tank, a plurality of garden water bodies to be balanced, a water discharge and discharge tank and a circulating device; the circulating device comprises a closed transfer water tank, and the side wall of the transfer water tank is communicated with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner through a plurality of pipelines; the pipeline extends into the bottom of the transit water tank; the end part of the pipeline is provided with a water level monitoring unit and an electromagnetic valve for controlling the opening or closing of the interior of the pipeline; the top of the transit water tank is provided with a pressure control unit for controlling the internal air pressure, a controller for controlling the pressure control unit and a communication unit for communicating with the outside; the water level monitoring units and the electromagnetic valves are electrically connected with and controlled by the controller.
The automatic circular supply device for garden ecological water resources, provided by the invention, comprises a pressure control unit, a vacuum pumping mechanism and an air inlet mechanism, wherein the pressure control unit comprises a vacuum pumping mechanism and an air inlet mechanism, the vacuum pumping mechanism is used for pumping air out of the transit water tank, and the air inlet mechanism is used for blowing air into the transit water tank.
The automatic circular supply device for garden ecological water resources, provided by the invention, comprises a transfer water tank, a piston cover body and a water tank cover body, wherein the piston cover body is matched with the interior of the tank body; the pressure control unit is arranged on the piston cover body; the inner wall of the box body is connected with the pipeline.
The automatic circular supply device for garden ecological water resources, provided by the invention, is characterized in that a guide sleeve is arranged at the bottom in the box body; and a guide post matched with the guide sleeve is fixedly connected to the lower surface of the piston cover body.
The automatic circular supply device for garden ecological water resources is characterized in that a balancing weight is arranged on the piston cover body.
The automatic circular supply device for the garden ecological water resources is characterized in that two touch switches are arranged on the inner wall of the box body, the two touch switches are respectively positioned above and below the piston cover body, the air inlet mechanism is controlled to stop running when the touch switch positioned above is triggered, and the vacuum pumping mechanism is controlled to stop running when the touch switch positioned below is triggered.
The automatic circular supply device for garden ecological water resources, provided by the invention, comprises a transfer water tank and a protective net, wherein the protective net is detachably connected with the upper end of the tank body.
The automatic circular supply device for garden ecological water resources is characterized in that a detachable protective outer cover is arranged on the upper surface of the piston cover body, and the protective outer cover is covered outside the pressure control unit.
The automatic circular supply device for the garden ecological water resources is characterized in that an input unit for setting a water level threshold value of the water level monitoring unit is connected to the controller.
The automatic circular supply method of garden ecological water resources comprises the following steps:
the first step is as follows: assembling the device:
installing pipelines on the transfer water tank, communicating the pipelines with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner, then partially or completely burying the transfer water tank underground, and simultaneously burying the part of the pipeline which does not need to be exposed underground;
the second step is that: setting the device:
the administrator is connected with the communication unit through a computer or a mobile phone to set the controller, receives the high and low water level thresholds in the water level information of the water level monitoring units of different pipelines, and correspondingly controls the pressure control unit and the electromagnetic valve;
the third step: real-time monitoring of the device:
the administrator is connected with the communication unit through a computer or a mobile phone to receive the real-time water level information and the working state information of the controller.
The invention has the beneficial effects that: installing pipelines on the transfer water tank, communicating the pipelines with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner, then partially or completely burying the transfer water tank underground, and simultaneously burying the part of the pipeline which does not need to be exposed underground; the administrator is connected with the communication unit through a computer or a mobile phone to set the controller, receives the high and low water level thresholds in the water level information of the water level monitoring units of different pipelines, and correspondingly controls the pressure control unit and the electromagnetic valve; the administrator is connected with the communication unit through a computer or a mobile phone to receive the real-time water level information and the working state information of the controller; the device is simple, can accomplish current easy improvement in the gardens, low cost when improving water self-balancing state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic diagram of an automatic recycling supply device for garden ecological water resources according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of an automatic circular supply device for garden ecological water resources according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The garden ecological water resource automatic circulation replenishing device of the preferred embodiment of the invention is shown in fig. 1, and simultaneously refers to fig. 2, and comprises a water storage tank 1, a plurality of garden water bodies 2 to be balanced, a water discharge tank 3 and a circulating device 4; the circulating device 4 comprises a closed transfer water tank 40, and the side wall of the transfer water tank 40 is correspondingly communicated with the water storage tank 1, the garden water body 2 and the water discharge tank 3 one by one through a plurality of pipelines 41; the pipeline 41 extends into the bottom of the transit water tank 40; the end of the pipeline 41 is provided with a water level monitoring unit 410 and an electromagnetic valve 411 for controlling the opening or closing of the interior of the pipeline 41; the top of the transit water tank 40 is provided with a pressure control unit 400 for controlling the internal air pressure thereof, a controller 401 for controlling the pressure control unit 400, and a communication unit 402 for communicating with the outside; the water level monitoring units 410 and the electromagnetic valves 411 are electrically connected with and controlled by the controller 401;
installing pipelines on the transfer water tank, communicating the pipelines with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner, then partially or completely burying the transfer water tank underground, and simultaneously burying the part of the pipeline which does not need to be exposed underground; the administrator is connected with the communication unit through a computer or a mobile phone to set the controller, receives the high and low water level thresholds in the water level information of the water level monitoring units of different pipelines, and correspondingly controls the pressure control unit and the electromagnetic valve; the administrator is connected with the communication unit through a computer or a mobile phone to receive the real-time water level information and the working state information of the controller; the device is simple, the improvement on the existing gardens can be completed easily, and the cost is low while the self-balancing state of the water body is improved;
specifically, the method comprises the following steps:
when the water level of a certain garden water body is too low and the water levels of other gardens are normal, the water level monitoring units on the corresponding pipelines monitor low water level information and send the low water level information to the controller, the controller controls the electromagnetic valve of the water storage and storage tank to be opened, and controls the pressure control unit to reduce the air pressure in the transit water tank, water in the water storage and storage tank is pumped into the transit water tank, the electromagnetic valve of the water storage and storage tank is controlled to be closed after water is pumped for a set time, then the electromagnetic valve of the garden water body with too low water level is controlled to be opened, the pressure control unit increases the air pressure in the transit water tank, water in the transit water tank is pressed into the pipeline corresponding to the garden water body with too low water level;
when the water level of a certain garden water body is too high, water is pressed into a water drainage groove according to the principle;
similarly, the water level automatic balancing can be carried out between each water body or each water tank;
when the water levels of all the water bodies and the water tanks are insufficient, the water tanks are manually supplemented by adding tap water or external water into the water storage tanks;
when the water levels of all the water bodies and the water tanks are too high, the water in the water tanks needs to be discharged to the outside manually;
preferably, the garden water body comprises an irrigation reservoir, a pond in the garden, a rainwater collection pond and the like.
Preferably, the pressure control unit 400 includes a vacuum pumping mechanism 4000 for pumping the gas in the relay water tank 40 and an air intake mechanism 4001 for blowing the gas into the relay water tank 40.
Preferably, the water transfer tank 40 includes a tank 403 and a piston cover 404 fitted inside the tank 403; the pressure control unit 400 is provided on the piston cover 404; the inner wall of the box body 403 is connected with a pipeline 41; the assembly is convenient, and the internal air pressure is convenient to control and buffer.
Preferably, a guide sleeve 4030 is arranged at the bottom in the box body 403; the lower surface of the piston cover 404 is fixedly connected with a guide post 4040 matched with the guide sleeve 4030; the guiding is convenient.
Preferably, a counterweight 4041 is arranged on the piston cover 404; the air pressure control is convenient.
Preferably, two touch switches 4031 are arranged on the inner wall of the box 403, the two touch switches 4031 are respectively located above and below the piston cover 404, and the touch switch located above controls the air intake mechanism to stop operating when triggered, and the touch switch located below controls the vacuum pumping mechanism to stop operating when triggered; when the pipeline blocks up or the solenoid valve damages and can't open in the pipeline, if the box internal gas pressure is too high then the piston lid goes upward to trigger and is located the touch switch on upper portion, the explosion condition avoids appearing in the mechanism's of admitting air stop motion, if the box internal gas pressure crosses low then the piston lid down triggers and is located the touch switch of lower part, evacuation mechanism's stop motion is avoided appearing the extrusion and is damaged equipment.
Preferably, the transit water tank 40 further includes a protection net 405, and the protection net 405 is detachably connected to the upper end of the box 403; the situations of inaccurate balance or accidental injury of human bodies caused by the falling of large foreign matters or human bodies from the outside are avoided.
Preferably, the upper surface of the piston cover 404 is provided with a detachable protective outer cover 4042, and the protective outer cover 4042 covers the outside of the pressure control unit 400; the protection performance is good; it should be noted that the upper portion of the protective outer cover 4042 is provided with a duct for gas to flow through.
Preferably, the controller 401 is connected with an input unit 4010 for setting a water level threshold of the water level monitoring unit; convenient for manual setting on site.
The automatic circular supply method of garden ecological water resources comprises the following steps:
the first step is as follows: assembling the device:
installing pipelines on the transfer water tank, communicating the pipelines with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner, then partially or completely burying the transfer water tank underground, and simultaneously burying the part of the pipeline which does not need to be exposed underground;
the second step is that: setting the device:
the administrator is connected with the communication unit through a computer or a mobile phone to set the controller, receives the high and low water level thresholds in the water level information of the water level monitoring units of different pipelines, and correspondingly controls the pressure control unit and the electromagnetic valve;
the third step: real-time monitoring of the device:
the administrator is connected with the communication unit through a computer or a mobile phone to receive the real-time water level information and the working state information of the controller;
the device is simple, can accomplish current easy improvement in the gardens, low cost when improving water self-balancing state.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (9)

1. An automatic circular supply device for garden ecological water resources is characterized by comprising a water storage and storage tank, a plurality of garden water bodies to be balanced, a water discharge and discharge tank and a circulating device; the circulating device comprises a closed transfer water tank, and the side wall of the transfer water tank is communicated with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner through a plurality of pipelines; the pipeline extends into the bottom of the transit water tank; the end part of the pipeline is provided with a water level monitoring unit and an electromagnetic valve for controlling the opening or closing of the interior of the pipeline; the top of the transit water tank is provided with a pressure control unit for controlling the internal air pressure, a controller for controlling the pressure control unit and a communication unit for communicating with the outside; the water level monitoring units and the electromagnetic valves are electrically connected with and controlled by the controller; the pressure control unit comprises a vacuum pumping mechanism for pumping out gas in the transit water tank and an air inlet mechanism for blowing gas into the transit water tank.
2. The automatic circular supply device for garden ecological water resources as claimed in claim 1, wherein the transfer water tank comprises a tank body and a piston cover body matched with the interior of the tank body; the pressure control unit is arranged on the piston cover body; the inner wall of the box body is connected with the pipeline.
3. The automatic circular supply device for garden ecological water resources as claimed in claim 2, wherein a guide sleeve is arranged at the bottom of the box body; and a guide post matched with the guide sleeve is fixedly connected to the lower surface of the piston cover body.
4. The automatic circular supply device for garden ecological water resources as claimed in claim 2, wherein the piston cover is provided with a counter weight.
5. The automatic circular supply device for garden ecological water resources according to claim 2, wherein the inner wall of the box body is provided with two touch switches, the two touch switches are respectively positioned above and below the piston cover body, the touch switch positioned above controls the air inlet mechanism to stop running when being triggered, and the touch switch positioned below controls the vacuum pumping mechanism to stop running when being triggered.
6. The automatic circular supply device for garden ecological water resources as claimed in claim 2, wherein the transfer water tank further comprises a protective net, and the protective net is detachably connected with the upper end of the tank body.
7. The automatic circular supply device for garden ecological water resources as claimed in claim 6, wherein a detachable protective outer cover is arranged on the upper surface of the piston cover body, and the protective outer cover is arranged outside the pressure control unit.
8. The automatic supply device for garden ecological water resources according to any one of claims 1 to 7, wherein an input unit for setting a water level threshold of the water level monitoring unit is connected to the controller.
9. An automatic circular supply method of garden ecological water resources, which is the automatic circular supply device of garden ecological water resources according to any one of claims 1 to 8, and is characterized in that the realization method is as follows:
the first step is as follows: assembling the device:
installing pipelines on the transfer water tank, communicating the pipelines with the water storage and storage tank, the garden water body and the water discharge tank in a one-to-one correspondence manner, then partially or completely burying the transfer water tank underground, and simultaneously burying the part of the pipeline which does not need to be exposed underground;
the second step is that: setting the device:
the administrator is connected with the communication unit through a computer or a mobile phone to set the controller, receives the high and low water level thresholds in the water level information of the water level monitoring units of different pipelines, and correspondingly controls the pressure control unit and the electromagnetic valve;
the third step: real-time monitoring of the device:
the administrator is connected with the communication unit through a computer or a mobile phone to receive the real-time water level information and the working state information of the controller.
CN201910113988.5A 2019-02-14 2019-02-14 Automatic circular supply device and method for garden ecological water resources Active CN109667312B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910113988.5A CN109667312B (en) 2019-02-14 2019-02-14 Automatic circular supply device and method for garden ecological water resources

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910113988.5A CN109667312B (en) 2019-02-14 2019-02-14 Automatic circular supply device and method for garden ecological water resources

Publications (2)

Publication Number Publication Date
CN109667312A CN109667312A (en) 2019-04-23
CN109667312B true CN109667312B (en) 2021-03-16

Family

ID=66151444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910113988.5A Active CN109667312B (en) 2019-02-14 2019-02-14 Automatic circular supply device and method for garden ecological water resources

Country Status (1)

Country Link
CN (1) CN109667312B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110214670A (en) * 2019-06-13 2019-09-10 谢吉芳 A kind of landscape ecology water resource automatic cycle device for supplying and method
CN110972661B (en) * 2019-11-29 2021-03-23 天津城建大学 Automatic circular supply device for garden ecological water resources and supply control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403498A (en) * 1993-04-26 1995-04-04 Econeco Inc. Gray water reuse control system
CN203174678U (en) * 2013-03-11 2013-09-04 南京宁水机械设备工程有限责任公司 Vacuum suppressor for non-negative-pressure device
CN206365323U (en) * 2016-12-23 2017-08-01 四川天艺生态园林集团股份有限公司 A kind of gardens are recycled automatic irrigation device
CN107905290A (en) * 2017-10-25 2018-04-13 河南中烟工业有限责任公司 A kind of energy saving middle water supply system
CN108744367A (en) * 2018-06-05 2018-11-06 天津城建大学 A kind of adjustable computer room fine water mist fire-extinguishing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403498A (en) * 1993-04-26 1995-04-04 Econeco Inc. Gray water reuse control system
CN203174678U (en) * 2013-03-11 2013-09-04 南京宁水机械设备工程有限责任公司 Vacuum suppressor for non-negative-pressure device
CN206365323U (en) * 2016-12-23 2017-08-01 四川天艺生态园林集团股份有限公司 A kind of gardens are recycled automatic irrigation device
CN107905290A (en) * 2017-10-25 2018-04-13 河南中烟工业有限责任公司 A kind of energy saving middle water supply system
CN108744367A (en) * 2018-06-05 2018-11-06 天津城建大学 A kind of adjustable computer room fine water mist fire-extinguishing system

Also Published As

Publication number Publication date
CN109667312A (en) 2019-04-23

Similar Documents

Publication Publication Date Title
CN109667312B (en) Automatic circular supply device and method for garden ecological water resources
CN206525247U (en) Warmhouse booth
CN102232354A (en) Solar automatic drip irrigation system and control method thereof
CN212295027U (en) Intelligent green building structure
CN207574177U (en) A kind of novel greening roof
CN206433514U (en) A kind of Tree-planting device
CN211735711U (en) Integrated intercepting well of automatic gate valve controlled by rainfall
CN207525813U (en) A kind of integrated prefabricated buried water intake pumping station
CN209749360U (en) garden irrigation system capable of saving water
CN104532908B (en) A kind of flexible overflow-type constant voltage test water supply installation
CN108050299B (en) A kind of passive control method in low-pressure drainage system
CN217363878U (en) Intelligent nitrogen-filling and air-conditioning system for grain depot
CN206152136U (en) Mountain forest intelligent fireproof fire extinguishing systems
CN206821415U (en) Vertical greening structure
CN210470354U (en) Multifunctional cellaring chamber
CN112049085B (en) Gate opening and closing device and control method thereof
CN204436724U (en) Self filling type ground is installed synchronous row and is inhaled Fire Fighting Pumps
CN204326162U (en) Flexible overflow-type constant voltage test water supply installation
CN103867730A (en) Lever type automatic valve and spray-drip irrigation system
CN208037277U (en) Closed automatic garbage centralized collection system
CN108277853B (en) Photoelectric control water siphon water supply system and photoelectric control water siphon water supply method
CN209907534U (en) Be applied to multi-functional inspection shaft of wisdom drainage
CN208676011U (en) A kind of novel stereo greening liquid manure automatic control device
CN214221237U (en) Water vapor exchange mechanism for operation well of gas station
CN219863735U (en) Roofing exhaust structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant