CN208817651U - A kind of building intelligence air exhausting device - Google Patents

A kind of building intelligence air exhausting device Download PDF

Info

Publication number
CN208817651U
CN208817651U CN201821491730.6U CN201821491730U CN208817651U CN 208817651 U CN208817651 U CN 208817651U CN 201821491730 U CN201821491730 U CN 201821491730U CN 208817651 U CN208817651 U CN 208817651U
Authority
CN
China
Prior art keywords
slide block
shell
air exhausting
exhausting device
clockwise
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.)
Expired - Fee Related
Application number
CN201821491730.6U
Other languages
Chinese (zh)
Inventor
尹佳
张璇
刘锋涛
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.)
Lushan College of Guangxi University of Science and Technology
Original Assignee
Lushan College of Guangxi University of Science and Technology
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 Lushan College of Guangxi University of Science and Technology filed Critical Lushan College of Guangxi University of Science and Technology
Priority to CN201821491730.6U priority Critical patent/CN208817651U/en
Application granted granted Critical
Publication of CN208817651U publication Critical patent/CN208817651U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Ventilation (AREA)

Abstract

The utility model discloses a kind of building intelligence air exhausting devices, including shell, mounting plate, security strip, control box, the outer side of shell is provided with wall, mounting groove is provided on the wall, it is arranged on the shell fluted, the inside grooves are provided with spring, the spring side is provided with position limiting slide block, the position limiting slide block front is provided with slide block, the slide block two sides are provided with bracket, shaft is provided between the bracket and the slide block, the position limiting slide block is provided with mounting post far from the side of the spring.Beneficial effect is: the utility model high degree of automation, it is easy to use, it is easy to operate, wireless communications chips are provided with, user can be controlled the work of air exhausting device by mobile phone, be provided with positioning card column, positioning clamping can be carried out to slide block, so that air exhausting device easily facilitates installation, it is provided with air quality sensor and filter screen, it is ensured that indoor air quality is in excellent condition.

Description

A kind of building intelligence air exhausting device
Technical field
The utility model relates to building intelligence equipment technical fields, more particularly to a kind of building intelligence air exhausting device.
Background technique
Exhaust fan drives fan blade to rotate certain driving air-flow by motor, a kind of air conditioning electricity for exchanging indoor and outdoor air Device, also known as draft fan, the purpose of air draft seek to remove indoor foul atmosphere, adjust temperature, humidity and sensory effect, so that Indoor air quality is in excellent condition, and exhaust fan is widely used in family and public place.
Currently, application No. is the Chinese patents of CN201720926124.1 to disclose a kind of intelligence for building being easily installed Air exhausting device, including shell and processing system, the inside of shell are equipped with ventilation duct, and the inside of ventilation duct connects by the way that fixed link is fixed It is connected to driving motor, the output shaft of driving motor is fixedly connected with air draft flabellum by connector, and the upper and lower surface of shell is viscous It is connected to sealing strip, the left and right side of shell is fixedly connected to mounting plate, and the opposite side middle position of two mounting plates is opened Equipped with sliding slot, two sliding slot opposed inner walls sides are fixedly connected to reset spring.
But this Intelligent exhaust device for building being easily installed is during the installation process, needs to stir slide block on one side, It is installed on one side to it, brings inconvenience to installation process, air exhausting device cannot be intelligently automatic according to indoor air quality Ground carries out exhaust ventilation, always on, causes the waste of electric energy, and user can not remotely control exhaust apparatus work, to making User brings inconvenience, it would therefore be desirable to which further on this basis improved.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of building intelligence air exhausting device, this Utility model high degree of automation, it is easy to use, it is easy to operate, wireless communications chips are provided with, user can pass through mobile phone control The work of air exhausting device processed is provided with the positioning card column, positioning clamping can be carried out to the slide block, so that air exhausting device Installation is easily facilitated, air quality sensor and filter screen are provided with, it is ensured that indoor air quality is in excellent condition.
The utility model achieves the above object through the following technical schemes:
A kind of building intelligence air exhausting device, including shell, mounting plate, security strip, control box, the outer side of shell is set It is equipped with wall, mounting groove is provided on the wall, is arranged fluted on the shell, the inside grooves are provided with spring, The spring side is provided with position limiting slide block, and the position limiting slide block front is provided with slide block, and the slide block two sides are provided with Bracket, is provided with shaft between the bracket and the slide block, the position limiting slide block is provided with far from the side of the spring Mounting post, the shell inside are provided with mounting plate, and the interior of shell is provided with connecting shaft, is provided on the outside of the connecting shaft Flabellum, the connecting shaft rear portion are provided with clockwise and anticlockwise motor, are provided with protective shell, the protective shell on the outside of the clockwise and anticlockwise motor Outside is provided with the security strip, is provided with the control box below the shell, the control box is internally provided with control The model of chip, the control chip is ARMIC0016, and the control chip sides are provided with wireless communications chips, the nothing The model of line communication chip is NRF24L01, and the shell side is provided with air quality sensor, the air quality sensing The model of device is QPM2160, and the housing front is provided with positioning wedged block, and the connecting shaft front is provided with filter screen, described Control box front is provided with display screen, is provided with control button below the display screen, the clockwise and anticlockwise motor rear portion is provided with Protective net, the protective net and the filter screen are connect with the shell by card slot, and the protective net rear portion is provided with rain-proof Blinds, the stormproof louvre are bolted with the shell, the control button, the air quality sensor, described Wireless communications chips, the display screen and the clockwise and anticlockwise motor are electrically connected with the control chip.
So set, high degree of automation, easy to use, and it is easy to operate, it is provided with the wireless communications chips, user The work that air exhausting device can be controlled by mobile phone, is provided with the mounting groove and the mounting post, so that air exhausting device is convenient for peace Assembly and disassembly are unloaded, and the air quality sensor and the filter screen are provided with, it is ensured that indoor air quality is in excellent condition.
In above structure, the mounting groove is opened up in the wall and the mounting post corresponding position, is stirred described in rotation After block, stirs the slide block and make the position limiting slide block that the mounting post be driven to retract in the groove, stirred described in rotation Block, so that slide block described in the positioning wedged block card column, after the shell is aligned with the installation site on the wall, rotation The slide block rotates the slide block, so that the positioning wedged block so that mounting post stretching is stuck in the mounting groove The slide block is fixed, air exhausting device can be installed, after connecting power supply, running parameter is arranged by the control button And control device brings into operation, it is described when the air quality sensor detects indoor air quality lower than setting value Clockwise and anticlockwise motor drives the connecting shaft to rotate forward, and the flabellum accelerates air circulation, so that indoor air passes through the filtering Outdoor is discharged after net filtration, then, the clockwise and anticlockwise motor drives the connecting shaft reversion, so that outdoor air is through the mistake It is entered the room after strainer filtering, it is described when the air quality sensor detects that indoor air quality is higher than setting value Clockwise and anticlockwise motor stops working, it is ensured that indoor air quality is in excellent condition, and user also can control air draft by mobile phone The work of device.
Further, the spring and the position limiting slide block weld, and the mounting post and the position limiting slide block weld.
So set, welding is so that the spring is completely embedded with the position limiting slide block, the spring and the limit are slided Bonding strength between block is high, and stable connection is reliable;Welding is described so that the mounting post is completely embedded with the position limiting slide block Bonding strength between mounting post and the position limiting slide block is high, and stable connection is reliable, and manufacture easy to process, saves material.
Further, the bracket and the position limiting slide block weld, and the slide block is connected with the bracket by the shaft It connects.
So set, welding is so that the bracket is completely embedded with the position limiting slide block, the bracket and the limit are slided Bonding strength between block is high, and stable connection is reliable;The shaft connection is so that the slide block can be with flexible rotating.
Further, the mounting plate and the shell weld, and the security strip is bolted with the mounting plate.
So set, welding is so that the mounting plate and the cage connection are close, the mounting plate and the shell it Between bonding strength it is high, connection is reliable, improves the structural stability of device;Be bolted so that the security strip with it is described Mounting plate stable connection, can increase pretightning force to improve the being completely embedded property between the security strip and the mounting plate, And it is easy to disassemble.
Further, the flabellum and the connecting shaft are welded, and the connecting shaft is connected by key with the clockwise and anticlockwise motor.
So set, welding is so that the flabellum is completely embedded with the connecting shaft, the flabellum and the connecting shaft it Between bonding strength it is high, connection is reliable, improves the structural stability of device;It is keyed the torque so that the clockwise and anticlockwise motor The connecting shaft can be smoothly passed to torque, the connecting shaft is allowed rotate forward with the clockwise and anticlockwise motor and anti- Turn.
Further, the clockwise and anticlockwise motor is bolted with the protective shell, the protective shell and the fixed plate Item welding.
So set, being bolted so that the clockwise and anticlockwise motor and the protective shell stable connection, can increase preload Power is convenient for carrying out the clockwise and anticlockwise motor to improve the being completely embedded property between the clockwise and anticlockwise motor and the protective shell Dismounting maintenance;Welding so that the protective shell is completely embedded with the security strip, the protective shell and the security strip it Between bonding strength it is high, connection is reliable, improves the structural stability of device.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, high degree of automation, it is easy to use, it is easy to operate, wireless communications chips are provided with, user can pass through mobile phone Control the work of air exhausting device;
2, it is provided with positioning card column, positioning clamping can be carried out to slide block, so that air exhausting device easily facilitates installation;
3, air quality sensor and filter screen are provided with, it is ensured that indoor air quality is in excellent condition.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of internal structure of building intelligence air exhausting device described in the utility model;
Fig. 2 is a kind of backsight schematic diagram of internal structure of building intelligence air exhausting device described in the utility model;
Fig. 3 is a kind of main view of building intelligence air exhausting device described in the utility model;
Fig. 4 is a kind of rearview of building intelligence air exhausting device described in the utility model;
Fig. 5 is the enlarged drawing in a kind of building intelligence air exhausting device described in the utility model at A;
Fig. 6 is the enlarged drawing in a kind of building intelligence air exhausting device described in the utility model at B;
Fig. 7 is a kind of circuit structure flow diagram of building intelligence air exhausting device described in the utility model.
The reference numerals are as follows:
1, shell;2, wall;3, groove;4, position limiting slide block;5, mounting groove;6, mounting post;7, bracket;8, shaft;9, it dials Motion block;10, spring;11, mounting plate;12, security strip;13, connecting shaft;14, flabellum;15, box is controlled;16, wireless telecommunications core Piece;17, chip is controlled;18, protective shell;19, clockwise and anticlockwise motor;20, air quality sensor;21, positioning wedged block;22, it filters Net;23, display screen;24, control button;25, stormproof louvre;26, protective net.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.
The utility model is described in further detail with reference to the accompanying drawing.
First embodiment:
As shown in Fig. 1-Fig. 7, a kind of building intelligence air exhausting device, including shell 1, mounting plate 11, security strip 12, control Box 15 processed is provided with wall 2 on the outside of shell 1, and wall 2 is provided with mounting groove 5, mounting groove to install air exhausting device on wall 2 5 are mounted on air exhausting device on wall 2 to cooperate with mounting post 6, fluted 3 are arranged on shell 1, groove 3 is in installing Part device, groove 3 are internally provided with spring 10, and spring 10 is provided with position limiting slide block 4 to provide reset force, 10 side of spring, Position limiting slide block 4 is provided with slide block 9 to connect mounting post 6 and spring 10,4 front of position limiting slide block, slide block 9 to stir, So that position limiting slide block 4 drives 6 activity of mounting post, 9 two sides of slide block are provided with bracket 7, and bracket 7 is to support slide block 9, bracket Shaft 8 is provided between 7 and slide block 9, shaft 8 is rotated to slide block 9, and position limiting slide block 4 is arranged far from the side of spring 10 There is mounting post 6, air exhausting device is mounted on wall 2 by mounting post 6 to cooperate with mounting groove 5, and installation is provided on the inside of shell 1 Plate 11, for mounting plate 11 to install, shell 1 is internally provided with connecting shaft 13, and connecting shaft 13 is to connect motor, outside connecting shaft 13 Side is provided with flabellum 14, and for flabellum 14 to accelerate air to flow, 13 rear portion of connecting shaft is provided with clockwise and anticlockwise motor 19, positive and negative rotation electricity Machine 19 is rotated and reverse to be drivingly connected axis 13, protective shell 18 is provided on the outside of clockwise and anticlockwise motor 19, protective shell 18 is to protect Shield and installation clockwise and anticlockwise motor 19, are provided with security strip 12 on the outside of protective shell 18, security strip 12 to fixed protective shell 18, Control box 15 is provided with below shell 1, for control box 15 to protect interior arrangement, control box 15 is internally provided with control chip 17, the model of control chip 17 is ARMIC0016, is run to control device, and control 17 side of chip is provided with wireless telecommunications Chip 16, the model of wireless communications chips 16 are NRF24L01, and to wireless telecommunications, 1 side of shell is provided with air quality biography Sensor 20, the model of air quality sensor 20 are QPM2160, and to detect indoor air quality, 1 front of shell is provided with fixed Position fixture block 21, positioning wedged block 21 are provided with filter screen 22 to position clamping slide block 9,13 front of connecting shaft, and filter screen 22 is used With cross air filtering, control 15 front of box be provided with display screen 23, display screen 23 to show air quality and device operating parameters, Control button 24 is provided with below display screen 23, control button 24 is run to control device, the setting of 19 rear portion of clockwise and anticlockwise motor There is protective net 26, protective net 26 is connect with shell 1 by card slot to protective device, protective net 26 and filter screen 22, protective net 26 rear portions are provided with stormproof louvre 25, and stormproof louvre 25 is bolted to rain-proof, stormproof louvre 25 with shell 1, control Button 24, air quality sensor 20, wireless communications chips 16, display screen 23 and clockwise and anticlockwise motor 1 are electrically connected with control chip 17 It connects.
Second embodiment:
The difference of second embodiment and first embodiment is: spring 10 and position limiting slide block 4 weld, mounting post 6 and limit Sliding block 4 welds.
Specifically, welding is so that spring 10 is completely embedded with position limiting slide block 4, the connection between spring 10 and position limiting slide block 4 Intensity is high, and stable connection is reliable;Welding is so that mounting post 6 is completely embedded with position limiting slide block 4, between mounting post 6 and position limiting slide block 4 Bonding strength it is high, stable connection is reliable, and manufacture easy to process, saves material.
3rd embodiment:
The difference of 3rd embodiment and first embodiment is: clockwise and anticlockwise motor 19 is bolted with protective shell 18, Protective shell 18 and security strip 12 weld.
Specifically, being bolted so that clockwise and anticlockwise motor 19 and 18 stable connection of protective shell, can increase pretightning force to mention Being completely embedded property between high clockwise and anticlockwise motor 19 and protective shell 18, and convenient for carrying out dismounting maintenance to clockwise and anticlockwise motor 19;Weldering It connects so that protective shell 18 is completely embedded with security strip 12, the bonding strength between protective shell 18 and security strip 12 is high, connection Reliably, the structural stability of device is improved.
Working principle: mounting groove 5 is opened up in wall 2 and 6 corresponding position of mounting post, after rotating slide block 9, stirs slide block 9 make position limiting slide block 4 that mounting post 6 be driven to retract in groove 3, rotate slide block 9, so that 21 card column slide block 9 of positioning wedged block, it will After shell 1 is aligned with the installation site on wall 2, slide block 9 is rotated, so that the stretching of mounting post 6 is stuck in mounting groove 5, is rotated Slide block 9 can install air exhausting device so that positioning wedged block 21 is fixed by slide block 9, after connecting power supply, pass through control Running parameter is arranged in button 24 and control device brings into operation, when air quality sensor 20 detects that indoor air quality is low When setting value, clockwise and anticlockwise motor 19 is drivingly connected axis 13 and rotates forward, and flabellum 14 accelerates air circulation, so that indoor air passes through Outdoor is discharged after filtering in filter screen 22, and then, clockwise and anticlockwise motor 19 is drivingly connected axis 13 and inverts, so that outdoor air is through filtering Net 22 enters the room after filtering, when air quality sensor 20 detects that indoor air quality is higher than setting value, positive and negative rotation Motor 19 stops working, it is ensured that indoor air quality is in excellent condition, and user also can control air exhausting device by mobile phone Work.
Above embodiments are only to illustrate the technical solution of the utility model rather than its limitations;Although implementing referring to preferable The utility model is described in detail in example, it should be understood by those ordinary skilled in the art that: still can be to this reality It is modified with novel specific embodiment or some technical features can be equivalently replaced;Without departing from the utility model The spirit of technical solution should all be covered within the scope of the technical scheme claimed by the utility model.

Claims (6)

1. a kind of building intelligence air exhausting device, it is characterised in that: described including shell, mounting plate, security strip, control box Outer side of shell is provided with wall, and mounting groove is provided on the wall, is arranged fluted on the shell, and the inside grooves are set It is equipped with spring, the spring side is provided with position limiting slide block, and the position limiting slide block front is provided with slide block, the slide block two Side is provided with bracket, is provided with shaft between the bracket and the slide block, the position limiting slide block far from the spring one Side is provided with mounting post, is provided with mounting plate on the inside of the shell, and the interior of shell is provided with connecting shaft, outside the connecting shaft Side is provided with flabellum, and the connecting shaft rear portion is provided with clockwise and anticlockwise motor, is provided with protective shell on the outside of the clockwise and anticlockwise motor, institute It states and is provided with the security strip on the outside of protective shell, be provided with the control box below the shell, set inside the control box It is equipped with control chip, the control chip sides are provided with wireless communications chips, and the shell side is provided with air quality biography Sensor, the housing front are provided with positioning wedged block, and the connecting shaft front is provided with filter screen, the control box front setting There is display screen, is provided with control button below the display screen, the clockwise and anticlockwise motor rear portion is provided with protective net, the protection Net and the filter screen are connect with the shell by card slot, and the protective net rear portion is provided with stormproof louvre, the rain-proof hundred Leaf is bolted with the shell, the control button, the air quality sensor, the wireless communications chips, institute Display screen and the clockwise and anticlockwise motor is stated to be electrically connected with the control chip.
2. a kind of building intelligence air exhausting device according to claim 1, it is characterised in that: the spring and the limit Sliding block welding, the mounting post and the position limiting slide block weld.
3. a kind of building intelligence air exhausting device according to claim 1, it is characterised in that: the bracket and the limit Sliding block welding, the slide block are connect with the bracket by the shaft.
4. a kind of building intelligence air exhausting device according to claim 1, it is characterised in that: the mounting plate and described outer Shell welding, the security strip are bolted with the mounting plate.
5. a kind of building intelligence air exhausting device according to claim 1, it is characterised in that: the flabellum and the connection Axis welding, the connecting shaft are connected by key with the clockwise and anticlockwise motor.
6. a kind of building intelligence air exhausting device according to claim 1, it is characterised in that: the clockwise and anticlockwise motor and institute It states protective shell to be bolted, the protective shell and the security strip weld.
CN201821491730.6U 2018-09-11 2018-09-11 A kind of building intelligence air exhausting device Expired - Fee Related CN208817651U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821491730.6U CN208817651U (en) 2018-09-11 2018-09-11 A kind of building intelligence air exhausting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821491730.6U CN208817651U (en) 2018-09-11 2018-09-11 A kind of building intelligence air exhausting device

Publications (1)

Publication Number Publication Date
CN208817651U true CN208817651U (en) 2019-05-03

Family

ID=66276785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821491730.6U Expired - Fee Related CN208817651U (en) 2018-09-11 2018-09-11 A kind of building intelligence air exhausting device

Country Status (1)

Country Link
CN (1) CN208817651U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111550423A (en) * 2020-05-07 2020-08-18 重庆特斯联智慧科技股份有限公司 Intelligent exhaust system for high-rise building

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111550423A (en) * 2020-05-07 2020-08-18 重庆特斯联智慧科技股份有限公司 Intelligent exhaust system for high-rise building
CN111550423B (en) * 2020-05-07 2021-09-10 重庆特斯联智慧科技股份有限公司 Intelligent exhaust system for high-rise building

Similar Documents

Publication Publication Date Title
CN102721137B (en) Intelligent self-adapting dedusting fresh air system and fresh air dedusting method adopting system
CN208817651U (en) A kind of building intelligence air exhausting device
CN106403051A (en) Cabinet air conditioner, air conditioner and air output control method of cabinet air conditioner
CN104623995A (en) Dust removing device
CN202328607U (en) Intelligent broad-coverage high-efficient dustproof fresh air system
CN102162662B (en) Dual-slideway automatic dedusting intelligent ventilation system
CN210799461U (en) Building energy-saving ventilation device
CN107763786A (en) A kind of new blower fan of hanging-on-window type
CN209687329U (en) A kind of dust-proof anti-ponding type fan shutter
CN207665406U (en) A kind of industrial automatic control cabinet dustproof anticorrosive ventilating system
CN202024437U (en) Intelligent and automatic dedusting double-slideway ventilation system
CN213064023U (en) Centrifugal fan with adjustable air-out direction
CN211146811U (en) Fresh air system
CN209983013U (en) Normal-temperature dehumidifier for electrical cabinet
CN216346823U (en) Ventilator for door and window
CN206314147U (en) A kind of communication equipment protective housing
CN216080235U (en) Hundred-level laminar flow hood
CN221664880U (en) Exhaust system of pump house in hydraulic engineering
CN217486827U (en) Air source heat pump with high heat dissipation performance
CN212990647U (en) A super large display screen for show
CN220817969U (en) Efficient energy-saving dehumidifying fresh air handling unit
CN212901861U (en) But remote control's new trend system
CN220489355U (en) Exhaust ventilator
CN215494969U (en) Intelligent terminal touch screen with good waterproof effect
CN212463890U (en) Negative pressure ventilation cooling device for plunger pump frequency converter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190503

Termination date: 20190911

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