CN217178763U

CN217178763U - Terminal air treatment unit

Info

Publication number: CN217178763U
Application number: CN202123031401.8U
Authority: CN
Inventors: 王康; 迟亚玲; 高朋; 阮志杰; 杨置路
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-08-12
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to the technical field of air handling units, in particular to a terminal air handling unit, which comprises a base, a unit shell is arranged above the base, an electromagnetic sealing structure is hermetically connected between a fan inside the base and the unit shell, the electromagnetic sealing structure comprises elastic rubber, an electromagnet and a spring, air ports are arranged on two sides of the unit shell, a lifting structure for lifting the base is connected between the base and the unit shell, the lifting structure comprises a stepping motor, a bottom first pulley, a bottom second pulley, a steel rope and a top pulley, the top pulley is fixed on a supporting beam positioned at the top of the unit shell, barrier sensing devices are arranged at the top and the bottom of the base, the utility model controls a part needing maintenance to descend to the ground through the lifting structure, and all parts in the unit do not need maintenance personnel to ascend and operate, and the operations of detaching an access door and the like are reduced, and the after-sale maintenance difficulty and the danger are greatly reduced.

Description

Terminal air treatment unit

Technical Field

The utility model relates to an air treatment unit technical field specifically is a terminal air treatment unit.

Background

The heat exchange assembly, the filter and other easily damaged consumables of the existing tail end air treatment unit need to be operated by maintenance personnel when being maintained or replaced after sale, an access door on the shell needs to be removed, especially a general air outlet of a fan part is fixed with the shell of the whole machine, and the whole machine can be maintained after being removed from a suspended ceiling. At present, some lifting platform technologies only aiming at filter replacement exist, but because a lifting structure is a moving part, a certain gap must be reserved for avoiding friction collision with other parts in the moving process, the problem of poor sealing performance exists, the filtering effect is poor due to actual use, and convenient maintenance cannot be realized for difficult points such as a fan fixed on a whole machine shell.

Therefore, there is a need to design an end air handling unit to solve the above-mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal air treatment unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a terminal air treatment unit, includes the base, the fan is installed at the top of base, the unit casing is installed to the top of base, sealing connection has electromagnetic seal structure between inside fan of base and the unit casing, electromagnetic seal structure includes elastic rubber, electro-magnet and spring, unit casing both sides are equipped with the wind gap, be connected with the elevation structure who is used for going up and down to the base between base and the unit casing, elevation structure includes step motor, the first pulley in bottom, bottom second pulley, steel cable and top pulley, the top pulley is fixed in on being located a supporting beam at unit casing top, the top and the bottom of base all are equipped with obstacle induction system.

As the utility model discloses preferred scheme, one side of spring is connected on the electro-magnet, the electro-magnet passes through the spring to be connected with base and other unit inner structure, and wraps up through elastic rubber, the electro-magnet is located one side of unit housing.

As the utility model discloses preferred scheme, when the electro-magnet is in the outage, the spring just in time is in flexible state, and does not have between its and the unit casing to be connected fixed relation and have certain gap, when the electro-magnet is in the circular telegram, the electro-magnet adsorbs with the unit casing to be connected and seals by elastic rubber.

As the utility model discloses preferred scheme, step motor, the first pulley in bottom and bottom second pulley are all fixed on the base, just step motor's output shaft connects in the first pulley in bottom, step motor and the control end of outside manual operator connect.

As the preferred scheme of the utility model, all overlap between first pulley in bottom and the bottom second pulley, between bottom second pulley and the top pulley and establish the connection steel cable.

As the utility model discloses preferred scheme, the outside cover of steel cable is equipped with the sleeve pipe, sheathed tube bottom is fixed with the base, still be equipped with the sealing member between sleeve pipe top and the unit casing, the sealing member is elastic sponge or joint strip.

As the utility model discloses preferred scheme, obstacle induction system is infrared ray or microwave radar, obstacle induction system and outside manual operator are connected.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the elevation structure who sets up, can descend the part that needs the maintenance to ground through elevation structure, all parts in the built-in all need not the maintenance personal operation of ascending a height to reduced and demolishd operations such as access door, the after sales maintenance degree of difficulty and dangerous greatly reduced, make more convenience during equipment uses.

2. The utility model discloses in, through the electromagnetism seal structure who sets up, can seal the processing between base and unit inner structure and the shell through electromagnetism seal structure to holistic sealed effect has been improved.

3. The utility model discloses in, through the barrier induction system who sets up, barrier induction system is infrared ray or microwave radar, consequently whether the induction system through base top detects in the base top certain distance when the base rises someone is carrying out maintenance operation or other barriers, avoid bumping or take the eminence with people and other objects, whether the induction system of base below detects someone and other objects in the base below certain distance when the base descends, avoid bumping or support the shakiness, holistic security has been improved.

Drawings

FIG. 1 is a schematic structural view of the utility model in a maintenance state;

fig. 2 is a schematic structural view of the present invention in a normal operation state;

fig. 3 is a schematic view of the lifting structure of the present invention;

fig. 4 is a schematic structural diagram of the electromagnetic sealing structure of the present invention in a power-off state and a power-on state;

FIG. 5 is a control flow chart of the present invention;

in the figure: 1. a base; 101. a fan; 102. a unit housing; 1021. a tuyere; 103. an electromagnetic sealing structure; 1031. an elastic rubber; 1032. an electromagnet; 1033. a spring; 104. a lifting structure; 1041. a stepping motor; 1042. a bottom first pulley; 1043. a bottom second pulley; 1044. a steel cord; 1045. a top pulley; 1046. a support beam; 1047. a sleeve; 105. an obstacle sensing device.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-5, the present invention provides a technical solution:

the utility model provides a terminal air handling unit, including the base 1, the top of base 1 is installed fan 101, the unit casing 102 is installed to the top of base 1, the sealed connection has electromagnetic seal structure 103 between fan 101 and the unit casing 102 in the base 1, electromagnetic seal structure 103 includes elastic rubber 1031, electro-magnet 1032 and spring 1033, unit casing 102 both sides are equipped with wind gap 1021, be connected with between base 1 and the unit casing 102 and be used for carrying out the elevation structure 104 that goes up and down to base 1, elevation structure 104 includes step motor 1041, bottom first pulley 1042, bottom

second pulley

1043, 1044 steel cable and top pulley 1045, top pulley 1045 is fixed in being located the supporting beam 1046 at the top of unit casing 102, the top and the bottom of base 1 all are equipped with obstacle induction system 105, the utility model provides a new fan and its control method, all structures including fan 101 in the unit do not have any hard connections such as screw between unit casing 102, the base 1 and the internal structure of the unit can be directly and completely separated from the unit shell 102 during after-sales maintenance, the part needing maintenance is controlled to descend to the ground through the lifting structure 104, maintenance personnel do not need to ascend during maintenance of all parts in the unit, operations such as dismantling an access door are reduced, and after-sales maintenance difficulty and danger are greatly reduced.

In the embodiment, referring to fig. 1, 2 and 4, one side of the spring 1033 is connected to the electromagnet 1032, the electromagnet 1032 is connected to the base 1 and other internal structures of the unit through the spring 1033 and is wrapped by the elastic rubber 1031, the electromagnet 1032 is located at one side of the unit housing 102, when the electromagnet 1032 is powered off, the spring 1033 is just in a telescopic state, and has no connection and fixed relationship with the unit housing 102 and a certain gap, when the electromagnet 1032 is powered on, the electromagnet 1032 is connected to the unit housing 102 in an adsorption manner and is sealed by the elastic rubber 1031, through the arranged electromagnetic sealing structure 103, when the electromagnetic sealing structure is actually used, the electromagnet 1032 is powered on, at this time, the electromagnet 1032 is powered on to generate magnetism which is adsorbed together with the unit housing 102 and is matched with the elastic rubber 1031 to play a sealing role, when the electromagnet 1032 is powered off, the spring 1033 is in a contracted state, it and unit casing 102 between be connected fixed have certain gap, with unit casing 102 friction collision when avoiding base 1 to go up and down, can seal the processing between base 1 and unit inner structure and unit casing 102 through electromagnetic seal structure 103 to holistic sealed effect has been improved.

In an embodiment, referring to fig. 1, 2, 3, and 5, a stepping motor 1041, a bottom first pulley 1042, and a bottom second pulley 1043 are all fixed on a base 1, an output end of the stepping motor 1041 is connected to the bottom first pulley 1042, the stepping motor 1041 is connected to a control end of an external manual operator, a steel cable 1044 is sleeved between the bottom first pulley 1042 and the bottom second pulley 1043, and between the bottom second pulley 1043 and a top pulley 1045, a sleeve 1047 is sleeved outside the steel cable 1044, the bottom of the sleeve 1047 is fixed to the base 1, a sealing member is further disposed between the upper portion of the sleeve 1047 and a unit housing 102, the sealing member is an elastic sponge or a sealing rubber strip, and when the lifting structure 104 is used, the stepping motor 1041 drives the bottom first pulley 1042 to rotate, so as to drive the bottom second pulley 1043 and the top pulley 1045 to rotate respectively through a transmission mechanism, and then reach the mesh of going up and down, meanwhile, can prevent the gap between unit casing 102 and the wire rope 1044 from leaking out through the sealing member, thus can descend the part that needs maintenance to the ground through the elevation structure 104, all parts of built-in all need not the maintenance personal and ascend a height the operation, and reduced and demolishd the operation such as access door, after-sale maintenance difficulty and danger greatly reduced, make the convenience more when the equipment uses.

In an embodiment, referring to fig. 1 and 3, the obstacle sensing device 105 is an infrared or microwave radar, the obstacle sensing device 105 is connected to an external manual operator, and the obstacle sensing device 105 is an infrared or microwave radar, so that when the base 1 is lifted up, the sensing device above the base 1 detects whether a person is performing maintenance operation or other obstacles in a certain distance above the base 1, and avoids collision or bringing the person and other objects to a high place, and when the base 1 is lowered, the sensing device below the base 1 detects whether a person and other objects are in a certain distance below the base 1, so that collision or unstable support is avoided, and overall safety is improved.

The working principle is as follows: when the maintenance mode is entered, after the fan 101 completely stops running, the electromagnet 1032 is powered off, the sealing of the electromagnetic sealing structure 103 is failed, the manual operator displays 'waiting', the maintenance personnel continuously presses a descending key on the manual operator, the stepping motor 1041 drives the steel rope 1044 to descend the base 1 after receiving a signal, the electromagnetic sealing structure 105 detects the obstacle, and if an obstacle is detected under the manual operator, the base 1 stops running, the manual operator gives an alarm and prompts to confirm, the alarm can be relieved after the confirmation key is pressed to recover running, the descending key is loosened or the base 1 reaches the maximum descending height, the base 1 stops descending, the manual operator gives a completion prompt, the manual operator displays 'in maintenance' when the confirmation key is pressed, if debugging is needed in the process, the starting key is pressed, the manual operator prompts 'debugging', the machine is started to run after the debugging key is pressed, and then the debugging key is pressed to cut off the power of the machine set; after the maintenance is finished, continuously pressing a lifting key, a stepping motor 1041 drives a steel rope 1044 to pull up a base 1, in the process, if an obstacle is detected right above the base 1, the base 1 stops running, a manual operator gives an alarm and prompts to confirm, the alarm can be relieved after pressing the confirmation key to recover running, the lifting key is released or the base 1 reaches the maximum lifting height, the base 1 stops lifting, the manual operator gives a completion prompt and enters a standby state, finally, when a shutdown key is pressed, a fan 101 completely stops running, an electromagnet 1032 is powered off, the internal structure of the unit is sealed and fails with the unit shell 102, the scheme provides a fresh air fan and a control method thereof, all structures inside the unit including the fan 101 are not in hard connection with the unit shell 102 through any screw and the like, and the base 1 and the internal structure of the unit can be directly and completely separated from the unit shell 102 during after-sale maintenance, the part needing maintenance is controlled to descend to the ground through the lifting structure 104, maintenance personnel do not need to ascend for maintenance of all parts in the machine, operations such as detaching an access door are reduced, after-sale maintenance difficulty and danger are greatly reduced, and certain popularization value is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a terminal air treatment unit, includes the base, its characterized in that: the utility model discloses a fan, including base, set casing, electromagnetic seal structure, lifting structure, bottom first pulley, bottom second pulley, steel cable and top pulley, the fan is installed at the top of base, the set casing is installed to the top of base, sealing connection has electromagnetic seal structure between inside fan of base and the set casing, electromagnetic seal structure includes elastic rubber, electro-magnet and spring, the set casing both sides are equipped with the wind gap, be connected with between base and the set casing and be used for carrying out the elevation structure that goes up and down to the base, elevation structure includes step motor, bottom first pulley, bottom second pulley, steel cable and top pulley, the top pulley is fixed in on the supporting beam that is located set casing top, the top and the bottom of base all are equipped with barrier induction system.

2. An end air handling unit according to claim 1, characterised in that: one side of spring is connected on the electro-magnet, the electro-magnet passes through the spring to be connected with base and other unit inner structure, and wraps up through elastic rubber, the electro-magnet is located one side of unit casing.

3. An end air handling unit according to claim 1, characterised in that: when the electromagnet is powered off, the spring is just in a telescopic state, the spring and the unit shell are not connected and fixed, and a certain gap exists between the spring and the unit shell.

4. An end air handling unit according to claim 1, characterised in that: step motor, the first pulley in bottom and bottom second pulley are all fixed on the base, just step motor's output shaft connects in the first pulley in bottom, step motor and the control end of outside manual operator are connected.

5. An end air handling unit according to claim 1, characterised in that: and connecting steel ropes are sleeved between the bottom first pulley and the bottom second pulley and between the bottom second pulley and the top pulley.

6. An end air handling unit according to claim 1, characterised in that: the outer side of the steel rope is sleeved with a sleeve, the bottom of the sleeve is fixed with the base, a sealing element is further arranged between the upper portion of the sleeve and the unit shell, and the sealing element is elastic sponge or a sealing rubber strip.

7. An end air handling unit according to claim 1, characterised in that: the obstacle sensing device is an infrared ray or microwave radar and is connected with an external manual operator.