CN210569045U

CN210569045U - Indoor negative pressure adjusting device

Info

Publication number: CN210569045U
Application number: CN201921415212.0U
Authority: CN
Inventors: 谢沂峥; 盛泉尾; 符红伟; 包晓光
Original assignee: Shenzhen Heyucheng Architectural Design Co Ltd
Current assignee: Shenzhen Heyucheng Architectural Design Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-19
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to an indoor negative pressure adjusting device, it is including the subassembly that induced drafts, inlet air pipeline, heat recovery unit and air-out pipeline and the control switch that connect gradually, the subassembly that induced drafts includes installing support and induced draft fan, and the installing support is settled outdoors, and the induced draft fan is fixed in on the installing support, and the inlet scoop and the outside ambient air intercommunication of induced draft fan, induced draft fan inhale outside gas, through the income wind passageway input heat recovery unit who connects, heat recovery unit settles and preheats for inspiratory fresh air in high-rise stairwell through rising exhaust hot-air, and the warm braw after preheating inputs the air-out passageway and exports each warm and leads to equipment air outlet and warm and leads to equipment heating pipe through the switching mouth and mixes and insufflates the hall and reduce energy consumption when lightening indoor negative pressure. The utility model belongs to the indoor environment field of adjusting, thereby can be fine solution indoor negative pressure problem in winter reduces the invasion of outdoor cold wind when opening the door.

Description

Indoor negative pressure adjusting device

Technical Field

The utility model belongs to the technical field of the technique of indoor environmental control and specifically relates to an indoor negative pressure adjusting device is related to.

Background

At present, a problem generally exists in a one-storey lobby of a high-rise commercial building such as a high-rise office building or a hotel, and due to the chimney effect generated by gaps between high-rise staircases and elevators, an outer door frequently opened causes the invasion of cold air in winter under the combined action, so that the lobby is generally in a negative pressure state, a large amount of cold air enters when the outer door is opened, the air-conditioning heating effect of the lobby is greatly influenced, and if the heating capacity is increased, a large amount of energy is wasted.

The solution of prior art is thereby for set up inside and outside two doors or revolving door at the gate so that the indoor air is not direct to avoid the atmospheric pressure difference with outdoor air direct contact to influence and form the convection current, when adopting inside and outside two doors, make people will open the space delay a period of time of twice door between two doors, when adopting the revolving door, make people need slowly get into along with the revolving door, these two kinds of modes can all make personnel's business turn over inconvenient, reduce the biggest accessible flow of people of short time and be difficult to withdraw when taking place conflagration and earthquake.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an indoor negative pressure adjusting device has for indoor input fresh air, and the indoor malleation of guarantee makes the people feel comfortable, reduces the function of energy consumption.

The utility model discloses an above-mentioned function can be realized through following technical scheme:

the utility model provides an indoor negative pressure processing apparatus, is including the subassembly that induced drafts, the pipeline that admits air, heat reclamation device and the air-out pipeline that connects gradually, the subassembly that induced drafts is installed on the high building outer wall, and the subassembly that induced drafts includes the induced draft fan, and the one end of the pipeline that admits air is connected with the air outlet of induced draft fan, the inlet scoop and the outside ambient air intercommunication of induced draft fan, heat reclamation device includes input pipeline and fixing device, and the input pipeline passes through fixing device installs in the top of the elevartor shaft of high building, and the entrance point of input pipeline is connected with the other end of the pipeline that admits air, the exit end of input pipeline with air-out pipeline one end connect, the other end of air-out pipeline extends.

Through adopting above-mentioned technical scheme, the induced draft fan of the subassembly that induced drafts can inhale outdoor air and through going into among the tuber pipe way input heat recovery unit, because the chimney effect that the gap of high-rise stairwell and elevator produced makes the stairwell can discharge the steam in the high building, steam can rise in the elevator well, install in the top input pipeline of high building elevartor shaft and preheat the air of input under the steam effect that rises, the air after preheating passes through the air-out pipeline to the air outlet exhaust gas of the warm equipment of leading to of high building, mix and input the lobby with the heating installation from the air outlet output of the warm equipment of leading to in, the indoor air pressure of high building lobby has been improved, the energy resource consumption of warm equipment heated air that leads to has been reduced simultaneously.

The utility model discloses further set up to: the air suction assembly further comprises a mounting bracket, the mounting bracket is fixedly mounted on the outer side of the high-rise building, and the air suction fan is fixedly mounted on the mounting bracket.

Through adopting above-mentioned technical scheme, the suction fan can be fine is held by the installing support and is avoided dropping, through installing on the high building outer wall for be fresher air at inspiratory air, and can not inhale high building elevartor shaft top because the exhaust foul smell of chimney effect.

The utility model discloses further set up to: the heat recovery device further comprises a plurality of branch pipelines and an output pipeline which are fixedly connected with the input pipeline, the branch pipelines are arranged in a dispersing mode along the circumferential direction, one end of each branch pipeline is connected with the outlet end of the input pipeline, the other end of each branch pipeline is communicated with the inner cavity of the output pipeline, the output pipeline is provided with an output port, and the output port is connected with the air outlet pipeline.

Through adopting above-mentioned technical scheme, because the branch pipeline disperses along the circumferencial direction and arranges to be located the top of elevartor shaft, make bigger with the area that rises to the steam contact at top from the elevartor shaft, it is better to the air heating effect in input pipeline, the branch pipeline, has reduced the coil pipe that the warm equipment of ventilating to the required temperature of air heating, thereby has reduced the energy consumption.

The utility model discloses further set up to: fixing device includes that three is used for supporting the installation respectively output pipeline installation component all around, and the installation component includes two montants and a horizontal pole, and two montants interval certain distance are vertically installed in the top of elevartor shaft, and the both ends of horizontal pole are transversely fixed in the top of two montants, and fixed connection can be dismantled with heat recovery unit's output pipeline to the horizontal pole.

Through adopting above-mentioned technical scheme, three installation component is fixed a position respectively and installs on elevartor shaft wall all around for can be better when firm the location of confirming heat recovery device of installation, through being provided with two with the montant and further improved installation intensity.

The utility model discloses further set up to: the elevator shaft is characterized in that a U-shaped connecting block is arranged on the cross rod, an opening of the U-shaped connecting block is transversely arranged and deviates from the elevator shaft, the upper side wall of the U-shaped connecting block is fixed at the top of the cross rod, a pipeline supporting channel is formed between the bottom of the opening of the U-shaped connecting block and the cross rod, and the periphery of an output pipeline is arranged in the supporting channel of each installation assembly in a penetrating mode.

Through adopting above-mentioned technical scheme, make removable installation between output pipeline and the horizontal pole through the U-shaped connecting block, as long as earlier the suit of U-shaped connecting block is on the horizontal pole is located to the output pipeline cover again promptly, passes last lateral wall, horizontal pole and the lower lateral wall of U-shaped connecting block in proper order through the bolt and fixes, it is more convenient.

The utility model discloses further set up to: the air-out pipeline is including main tuber pipe, switching pipe, a plurality of air-out bleeder, the equal level of switching pipe and a plurality of bleeder is laid, main tuber pipe one end with output pipeline's delivery outlet welding, the switching pipe includes that one inserts mouth, a plurality of switching mouth, insert the mouth with main tuber pipe other end welding intercommunication, a plurality of switching mouths and a plurality of air-out bleeder one end welding, and a plurality of air-out bleeder other ends insert respectively warm a plurality of air outlets of logical equipment.

Through adopting above-mentioned technical scheme, the air of air-out pipeline output can mix with the steam of warm logical equipment output for the steam temperature of output is more even, and the switching pipe is the even output of the gas of main air-out pipe output to each air-out lateral pipe then evenly exports from the air outlet.

The utility model discloses further set up to: the air suction fan is provided with a control switch, and the control switch is installed indoors and connected with the air suction fan through an electric wire.

Through adopting above-mentioned technical scheme, can be through control switch control suction fan open when indoor atmospheric pressure is low needs are adjusted, close when not needing, reduce suction fan and normally open and consume the energy.

To sum up, the utility model discloses a beneficial technological effect does:

1. the indoor air pressure is improved, and the influence of indoor low pressure on the comfort of human bodies caused by cold air filled into the room and chimney effect in winter is avoided;

2. fresh air is delivered into a hall of a high building, so that the indoor foul smell is reduced;

3. the sucked fresh cold air is heated, and the energy consumption of the heating and ventilating equipment is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of another aspect of the present invention.

Fig. 3 is a schematic view of the connection between the air outlet pipeline and the air outlet of the heating and ventilation equipment at the top of the hall.

Description of reference numerals: 1. an air suction assembly; 11. mounting a bracket; 12. an air suction fan; 2. an air inlet duct; 3. a heat recovery device; 31. an input pipe; 311. a first connection hole; 32. a branch pipe; 33. an output pipe; 331. a second connection hole; 34. mounting the component; 341. a cross bar; 342. a vertical rod; 343. a U-shaped connecting block; 4. an air outlet pipeline; 41. a main air outlet pipe; 42. a transfer tube; 421. an access port; 422. a transfer port; 43. an air outlet branch pipe; 5. an air outlet of the heating and ventilating device; 6. a heating pipe of the heating and ventilation equipment; 7. a control switch; 8. and laying a pipeline.

Detailed Description

Referring to fig. 1, for the utility model discloses an indoor negative pressure processing apparatus, including the subassembly 1 that induced drafts that connects gradually, go into tuber pipe way 2, heat recovery unit 3 and air-out pipeline 4 and control switch 7.

Referring to fig. 1 and 2, the subassembly 1 that induced drafts includes installing support 11 and induced draft fan 12, installing support 11 is two U shaped steel boards and extends U type distribution arrangement welded circular steel pipe between two U shaped steel boards, the steel sheet that leans on the wall extends U type distribution and has the screw hole, through screw fixed mounting in the outside wall body of high building, induced draft fan 12 is fixed in on installing support 11, induced draft fan 12 outside covers and is equipped with a protective housing, the inlet scoop and the outside ambient air intercommunication of induced draft fan 12, the air outlet and the one end of income tuber pipe way 2 of induced draft fan 12 are connected.

The control switch 7 is connected with the suction fan 12 through an electric wire, and the opening and closing of the suction fan 12 are controlled through the control switch 7.

The heat recovery device 3 is arranged at the top of an elevator shaft of a high building, the heat recovery device 3 comprises an input pipeline 31, a plurality of branch pipelines 32, an output pipeline 33 and a fixing device, the input pipeline 31 is a pipe body with an upper end opening and a lower end being closed and vertically arranged, the opening at the upper end of the input pipeline 31 is an input port connected with the other end of the air inlet pipeline 2, a plurality of first connecting holes 311 are uniformly arranged on the side wall of the input pipeline 31 along the circumferential direction, the output pipeline 33 is an annular pipeline, the inner diameter of the annular body of the annular pipeline is larger than the outer diameter of the input pipeline 31, the central axis of the annular body of the annular pipeline is superposed with the central axis of the input pipeline 31, a certain height difference is formed between the output pipeline 33 and the input pipeline 31, the output pipeline 33 is positioned below, and a plurality of second connecting holes 331 are arranged on the side, in this embodiment, the number of the first connection holes 311, the second connection holes 331 and the branch pipes 32 is twenty-four, one end of each branch pipe 32 is welded to the hole edge of each first connection hole 311 in a one-to-one correspondence manner, the other end of each branch pipe 32 is welded to the hole edge of each second connection hole 331 in a one-to-one correspondence manner, and an output port is formed in the outer side wall of the annular pipe ring body.

Fixing device includes three installation component 34 that is used for supporting the installation output tube respectively, installation component 34 includes two montants 342 and a horizontal pole 341 and a U-shaped connecting block 343, two montants 342 interval certain distance are vertically installed in the top of elevartor shaft, the both ends transverse fixation of horizontal pole 341 is in the top of two montants 342, U-shaped connecting block 343 opening transversely sets up and the opening deviates from the elevartor shaft, the last lateral wall of U-shaped connecting block 343 is fixed in horizontal pole 341 top, form the pipeline support passageway between the opening bottom of U-shaped connecting block 343 and horizontal pole 341, wear to locate in the support passageway of each installation component 34 all around output pipeline 33.

Referring to fig. 1 and 3, the air outlet duct 4 includes a main air outlet duct 41, a switching duct 42, and a plurality of air outlet branch ducts 43, the main air outlet duct 41 is installed in the elevator shaft, the position of the main air outlet duct is a vertical groove opened on the wall surface position irrelevant to the operation of the elevator, the switching duct 42 and the plurality of air outlet branch ducts 43 are horizontally laid on the laying pipeline 8 at the top of the hall, one end of the main air outlet duct 41 is welded with the output port of the heat recovery device 3, the switching duct 42 is cylindrical and includes an inlet 421 and a plurality of switching ports 422, in this embodiment, the switching ports 422 and the air outlet branch ducts 43 are three, the inlet 421 is arranged on the end surface near the elevator shaft and welded with the other end of the main air outlet duct 41, the three switching ports 422 are arranged on the cylindrical surface of the switching duct 42 and welded with one end of the three air outlet branch ducts 43, the other ends of the three air, the position is the position close to the heating pipe 6 of the heating and ventilating device in the air outlet 5.

The implementation principle of the above embodiment is as follows: when the indoor air pressure is less than the atmospheric pressure, the suction fan 12 is opened through the control switch 7, the suction fan 12 sends the outside fresh air into the inlet air channel after being opened, the fresh air input into the inlet air channel is further input into the heat recovery device 3 through the input pipeline 31, the branch pipeline 32 of the fresh air heat recovery device 3 inputs the outlet air channel after absorbing the heat of the rising exhausted hot air, the outlet air channel is output to each heating and ventilation equipment air outlet 5 through the switching port 422, and the hot air heated by the heating and ventilation equipment heating pipe 6 is mixed and blown into the hall.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an indoor negative pressure adjusting device, includes the subassembly (1) that induced drafts that connects gradually, goes into tuber pipe way (2), heat recovery unit (3) and air-out pipeline (4), its characterized in that: the utility model discloses a heat recovery device, including heat recovery device, air suction assembly (3), heat recovery device, fixing device, air-out pipeline (4), induced draft subassembly (1) is installed on the wall outside the high building, and induced draft subassembly (1) includes induced draft fan (12), and the one end of income tuber pipe way (2) is connected with the air outlet of induced draft fan (12), the inlet scoop and the outside environment air intercommunication of induced draft fan (12), heat recovery device (3) are including input pipeline (31) and fixing device, and input pipeline (31) are passed through fixing device installs in the top of the elevartor shaft of high building, and the entrance point of input pipeline (31) is connected with the other end of income tuber pipe way (2), the exit end of input pipeline (31) with air-out pipeline (4) one end connect, the other end of air-out pipeline (.

2. An indoor negative pressure regulating device according to claim 1, characterized in that: the air suction assembly (1) further comprises a mounting bracket (11), the mounting bracket (11) is fixedly mounted on the outer side of the high-rise building, and the air suction fan (12) is fixedly mounted on the mounting bracket (11).

3. An indoor negative pressure regulating device according to claim 2, characterized in that: the air suction fan (12) is provided with a control switch (7), and the control switch (7) is installed indoors and connected with the air suction fan (12) through an electric wire.

4. An indoor negative pressure regulating device according to claim 1, characterized in that: heat reclaim unit (3) still include with a plurality of lateral conduits (32), output pipeline (33) of input pipeline (31) fixed connection, a plurality of lateral conduits (32) are dispersed along the circumferencial direction and are arranged, the one end of each lateral conduit (32) with the exit end of input pipeline (31) is connected, the other end of each lateral conduit (32) with the inner chamber intercommunication of output pipeline (33), output pipeline (33) set up an delivery outlet, and the delivery outlet is connected with air-out pipeline (4).

5. An indoor negative pressure regulating device according to claim 4, wherein: the fixing device comprises three mounting assemblies (34) which are respectively used for supporting and mounting the periphery of the output pipeline (33), each mounting assembly (34) comprises two vertical rods (342) and a cross rod (341), the two vertical rods (342) are vertically mounted at the top of the elevator shaft at intervals, two ends of each cross rod (341) are transversely fixed at the top ends of the two vertical rods (342), and the cross rods (341) are detachably and fixedly connected with the output pipeline (33) of the heat recovery device (3).

6. An indoor negative pressure regulating device according to claim 5, wherein: the elevator shaft supporting device is characterized in that a U-shaped connecting block (343) is arranged on the cross rod (341), the opening of the U-shaped connecting block (343) is transversely arranged and deviates from an elevator shaft, the upper side wall of the U-shaped connecting block (343) is fixed to the top of the cross rod (341), a pipeline supporting channel is formed between the bottom of the opening of the U-shaped connecting block (343) and the cross rod (341), and the periphery of an output pipeline (33) penetrates through the supporting channel of each mounting assembly (34).

7. An indoor negative pressure regulating device according to claim 4, wherein: air-out pipeline (4) are including main air-out pipe (41), switching pipe (42), a plurality of air-out bleeder (43), switching pipe (42) and a plurality of air-out bleeder (43) are the level and are laid, main air-out pipe's (41) one end with the delivery outlet welding of output pipeline (33), switching pipe (42) are including one and insert mouth (421), a plurality of switching mouth (422), insert mouth (421) with main air-out pipe (41) other end welding intercommunication, a plurality of switching mouths (422) and a plurality of air-out bleeder (43) one end welding, and a plurality of air-out bleeder (43) other ends connect into a plurality of air outlets of warm equipment of ventilating respectively.