CN215175821U - Double-heat-source hot air curtain machine suitable for cold regions - Google Patents
Double-heat-source hot air curtain machine suitable for cold regions Download PDFInfo
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- CN215175821U CN215175821U CN202120842986.2U CN202120842986U CN215175821U CN 215175821 U CN215175821 U CN 215175821U CN 202120842986 U CN202120842986 U CN 202120842986U CN 215175821 U CN215175821 U CN 215175821U
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Abstract
The utility model provides a hot-air curtain machine of two heat sources suitable for cold area, include: the device comprises a shell, a motor, a wind wheel, a hydrothermal heater and an electric heating body; the shell is provided with an air inlet and an air outlet; the motor is erected in the shell, and the wind wheel is connected with a driving shaft of the motor; an air inlet channel is formed between the wind wheel and the air inlet, and an air outlet channel is formed between the wind wheel and the air outlet; the hydrothermal type heater is arranged in the air inlet channel or the air outlet channel, and the electric heating body is arranged in the air inlet channel or the air outlet channel. Compared with the prior art, the utility model discloses a two heat source air curtain machines can carry out twice heating to the air, send out after improving the air to the human body and feel comfortable temperature, can enough compensate hydrothermal type air curtain machine in the not enough shortcoming of cold area temperature, be unlikely to consume too much electric quantity again, satisfy energy-concerving and environment-protective demand.
Description
Technical Field
The utility model relates to an air curtain machine technical field especially relates to a hot air curtain machine of two heat sources suitable for cold area.
Background
The existing air curtain machine is usually installed above the entrance and exit of markets, theaters, hotels, restaurants, conference halls, refrigerators, operating rooms, houses and other occasions. When the air curtain machine is started, the curtain-shaped airflow can separate indoor air from outdoor air, so that the air curtain machine not only can bring convenience to people, but also can prevent cold and hot air exchange indoors and outdoors, thereby keeping the indoor temperature constant, and simultaneously blocking dust and insects from entering the room and spreading harmful gases and peculiar smell.
At present, hot water is used as a heat source in many places in northern areas of China, and through market research, the water temperature of the hot water used in many places is not high, the outlet water temperature in heat exchange stations in many places is only about 60 ℃, and the temperature conveyed to a user side is only more than 50 ℃. Therefore, the outlet air temperature of the hydrothermal air curtain machine is low, and the user feels poor even cool. The electric heating type air curtain machine can obtain higher air outlet temperature, but the market acceptance is not high due to too large power consumption, and the concept of energy conservation and emission reduction is not met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hot-air curtain machine of two heat sources suitable for in cold areas to solve the shortcoming among the prior art and be not enough.
The utility model discloses a hot-air curtain machine of two heat sources suitable for cold area, include: the device comprises a shell, a motor, a wind wheel, a hydrothermal heater and an electric heating body;
the shell is provided with an air inlet and an air outlet;
the motor is erected in the shell, and the wind wheel is connected with a driving shaft of the motor; an air inlet channel is formed between the wind wheel and the air inlet, and an air outlet channel is formed between the wind wheel and the air outlet;
the hydrothermal type heater is arranged in the air inlet channel or the air outlet channel, and the electric heating body is arranged in the air inlet channel or the air outlet channel.
Compared with the prior art, the utility model discloses a two heat source air curtain machines can carry out twice heating to the air, send out after improving the air to the human body and feel comfortable temperature, can enough compensate hydrothermal type air curtain machine in the not enough shortcoming of cold area temperature, be unlikely to consume too much electric quantity again, satisfy energy-concerving and environment-protective demand.
In a preferred or optional embodiment, the dual heat source hot air curtain further comprises a controller; the electric heating body is electrically connected with the controller, the electric heating body is provided with a plurality of heating sheets, and the controller is used for controlling the on-off of the plurality of heating sheets.
In a preferred or optional embodiment, the dual-heat-source hot air curtain machine further comprises a temperature controller arranged on the electric heating body, and the temperature controller is electrically connected with the electric heating body; and when the temperature controller detects that the temperature of the electric heating body is greater than the temperature threshold value, the power supply of the electric heating body is disconnected.
In a preferred or optional embodiment, the motor is electrically connected to the controller, and the controller is further configured to control a rotation speed of the motor.
In a preferred or optional embodiment, the dual heat source hot air curtain further comprises a remote controller electrically connected to the controller for transmitting an external control signal to the controller.
In a preferred or optional embodiment, the hydrothermal heater is a plate-in-plate heater, and the plate-in-plate heater comprises a support frame, a plurality of stainless steel heating pipes, a plurality of elbows, a heat source inlet pipe, a heat source outlet pipe and a plurality of fins;
the supporting frame is fixed on the shell; the stainless steel heating pipes are arranged in the supporting frame, and two ends of each elbow are connected with one stainless steel heating pipe; one end of one part of the stainless steel heating pipe, which is far away from the elbow, is connected to the heat source inlet pipe, and the other end of the stainless steel heating pipe, which is far away from the elbow, is connected to the heat source outlet pipe; the plurality of fins are sleeved on the outer side of the stainless steel heating pipe.
In a preferred or optional embodiment, the heat source inlet pipe is provided with a drain outlet, and the drain outlet is provided with a drain valve.
In a preferred or optional embodiment, the dual-heat-source hot air curtain further comprises a water pan, and the water pan is disposed in the casing and located right below the hydrothermal heater.
In a preferred or optional embodiment, the heat source outlet pipe is provided with an exhaust port, and the exhaust port is provided with an exhaust valve.
In a preferred or optional embodiment, the dual-heat-source hot air curtain machine further comprises a protective net, and the protective net is arranged close to the electric heating body.
Drawings
FIG. 1 is a schematic structural view of a dual heat source air heater of the present invention;
FIG. 2 is a schematic view of the internal structure of the dual heat source air heater of the present invention;
fig. 3 is a schematic structural view of the electric heating body of the present invention;
FIG. 4 is a schematic diagram of the hydrothermal heater of the present invention;
fig. 5 is a schematic view of another embodiment of the hydrothermal heater of the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible implementations and advantages of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present embodiment provides a dual heat source hot air curtain machine suitable for cold regions, which includes a housing 10, a motor 20, a wind wheel 30, a hydrothermal heater 40 and an electric heater 70;
the shell 10 is provided with an air inlet 11 and an air outlet 12; the motor 20 is erected in the casing 10, and the wind wheel 30 is connected with a driving shaft of the motor 20; an air inlet channel is formed between the wind wheel 30 and the air inlet 11, and an air outlet channel is formed between the wind wheel 30 and the air outlet 12; the hydrothermal heater 40 is disposed in the air inlet channel or the air outlet channel, and the electric heater 70 is disposed in the air inlet channel or the air outlet channel.
The air inlet 11 and the air outlet 12 may be disposed at a front side, a left side, a right side, a back side, or a top of the casing 10, in this embodiment, the air inlet 11 is disposed at the front side of the casing 10, and the air outlet 12 is disposed at a bottom of the casing 10. In addition, a motor bracket is provided in the casing 10, thereby facilitating the installation of the motor 20 in the casing 10. The hydrothermal type heater 40 and the electric heater 70 may be disposed in the air inlet channel together, or disposed in the air outlet channel together, and in order to improve the heating effect and prevent the electric heater 70 from being short-circuited due to water leakage of the hydrothermal type heater 40, the hydrothermal type heater 40 is disposed in the air inlet channel, and the electric heater 70 is disposed in the air outlet channel. As shown in fig. 2, in the embodiment, the motor 20 has two driving shafts, the driving shafts are respectively located at two opposite sides of the motor 20, the number of the wind wheels 30 is two, and the driving shaft of each motor 20 is connected to one wind wheel 30. The driving shaft of the motor 20 rotates to drive the wind wheel 30, negative pressure is formed in the air inlet channel, air is sucked from the air inlet 11, the air flows through the wind wheel 30, pressure is increased, and then the air flows to the air outlet 12 through the air outlet channel. The noise can be reduced by driving the two wind wheels 30 with the single motor 20, and the wind wheel 30 of the present embodiment is preferably a cross flow wind wheel, which blows out more uniformly.
The utility model discloses a two heat source hot air curtain machines are through setting up two heat sources, for example set up hydrothermal type heater 40 in inlet air duct, set up electric heater 70 in the air-out passageway, get into from air intake 11 when the air, flow through hydrothermal type heater 40, hydrothermal type heater 40 carries out the primary heating to the air, and the air flows to the air-out passageway through wind wheel 30 afterwards, and electric heater 70 carries out the secondary heating to the air, and the air blows off from air outlet 12 at last. The utility model discloses a hot-blast curtain machine of dual heat source can carry out twice heating to the air, send out after improving the comfortable temperature of human body sense with the air, can enough compensate hydrothermal type air curtain machine in the not enough shortcoming of cold area temperature, be unlikely to consume too many electric quantities again, satisfy energy-concerving and environment-protective demand.
Preferably, the dual heat source hot air curtain machine of the present embodiment further comprises a controller (not shown); the electric heater 70 is electrically connected to the controller, and the electric heater 70 has a plurality of heating sheets, and the controller is configured to control the switching of the plurality of heating sheets. Thereby, the heating efficiency of the electric heater 70 can be controlled. In this embodiment, the electric heater 70 has three heating plates, when a large heating amount is required, the three heating plates are controlled by the control board to work, the output heat is large, and when a small heating amount is required, one or two heating plates are controlled by the control board to work, and the output heat is small. The controller may be disposed in the casing 10, or may be disposed outside the casing 10. The electric heater 70 is preferably a PTC heater.
As shown in fig. 3, preferably, the dual-heat-source hot air curtain machine of the present embodiment further includes a temperature controller 71 disposed on the electric heating body 70, and the temperature controller 71 is electrically connected to the electric heating body 70; the temperature controller 71 is configured to detect a real-time temperature of the electric heater 70, and preset a temperature threshold, when the temperature controller 71 detects that the temperature of the electric heater 70 is greater than the temperature threshold, the power supply of the electric heater 70 is turned off to implement overheat protection, and when the temperature controller 71 detects that the temperature of the electric heater 70 is less than the temperature threshold, the electric heater 70 continues to heat. The utility model discloses a two heat source hot air curtain machines can detect the temperature and the self-closing heating member of heating member, restart the heating, convenient to use automatically when the heating member temperature descends to normal range simultaneously. Specifically, in this embodiment, the temperature threshold of the temperature controller 71 is 80 degrees.
Preferably, the motor 20 is electrically connected to the controller, and the controller is further configured to control a rotation speed of the motor 20. The motor 20 may be a motor with multiple rotational speeds, and when the wind speed is high, the controller controls the motor 20 to increase the rotational speed, and when the wind speed is low, the controller controls the motor 20 to decrease the rotational speed.
Preferably, the dual-heat-source hot air curtain machine of the present embodiment further includes a remote controller (not shown), and the remote controller is electrically connected to the controller and is configured to transmit an external control signal to the controller. The sending end of the remote controller is directly controlled by a user, so that the wireless control of the double-heat-source hot air curtain machine is realized, and the operation is convenient.
As shown in fig. 4-5, the hydrothermal heater 40 of this embodiment is preferably a sleeve-fin heater, which can reduce the thermal resistance between the heating tube and the fins and has a large heat dissipation area.
The sleeve piece type heater comprises a support frame 41, a plurality of stainless steel heating pipes 42, a plurality of elbows 43, a heat source inlet pipe 44, a heat source outlet pipe 45 and a plurality of fins 46;
the supporting frame 41 is fixed on the casing 10 and plays a role of supporting the stainless steel heating pipe 42; the stainless steel heating pipes 42 are arranged in the supporting frame 41, two ends of each elbow 43 are connected with one stainless steel heating pipe 42, and the elbow 43 plays a role in connecting the stainless steel heating pipes 42; one end of a part of the stainless steel heating pipe 42 away from the elbow 43 is connected to the heat source inlet pipe 44, and the other end of the stainless steel heating pipe 42 away from the elbow 43 is connected to the heat source outlet pipe 45; the plurality of fins 46 are sleeved on the outer side of the stainless steel heating pipe 42.
Thus, the external heat source pipe network may be connected to the heat source inlet pipe 44 to input hot water into the stainless steel heating pipe 42, and the stainless steel heating pipe 42 conducts heat into the fins 46, so that the fins 46 may heat the air of the air inlet passage, and then the hot water flows back to the external heat source pipe network from the heat source outlet pipe 45. The arrangement mode is high in heating efficiency, the stainless steel heating pipe 42 is used, the antiknock performance of the stainless steel heating pipe 42 is better than that of a copper heating pipe, and the problem of heating pipe bursting caused by overlarge indoor and outdoor temperature difference in cold and severe cold areas can be reduced or avoided.
Preferably, the heat source inlet pipe 44 is provided with a drain port on which a drain valve 441 is provided. The drain valve 441 can be opened during shutdown to drain accumulated water in the pipe of the hydrothermal type heater 40, so that the hydrothermal type heater 40 is prevented from being damaged due to icing and bursting of the accumulated water in the pipe.
Preferably, the dual-heat-source hot air curtain machine of the embodiment further includes a water pan 50, and the water pan 50 is disposed in the casing 10 and located right below the hydrothermal type heater 40. The drip tray 50 may receive water discharged from the drain valve 441. To facilitate cleaning of the water in the drip tray 50. Preferably, the water pan 50 is a water collecting structure with an open upper end, a water outlet hole is formed in the bottom of the water pan 50, a water outlet pipe (not shown) is connected to the lower end of the water outlet hole in a sealing manner, and the lower end of the water outlet pipe penetrates through the casing 10 and extends out of the casing. Preferably, a water outlet valve is arranged at the part of the water outlet pipe extending out of the machine shell 10, and can control water drainage.
Preferably, the heat source outlet pipe 45 is provided with an exhaust port on which an exhaust valve 442 is provided. The exhaust valve 442 is used for exhausting air in the hydrothermal heater 40, preventing the hydrothermal heater 40 from being damaged by high pressure generated by water vapor impact, and preventing air accumulated in the tube from blocking heat transfer to reduce heating effect.
Preferably, the dual-heat-source hot air curtain machine of the present embodiment further includes a hanging plate 60, and the hanging plate 60 is detachably connected to the outer wall of the casing 10, so that the hot air curtain machine can be conveniently installed on a wall or an installation frame.
Preferably, the dual-heat-source hot air curtain machine of the present embodiment further includes a protective net 80, and the protective net 80 is disposed near the electric heating body 70. The protection net 80 can safely separate the electric heater 70 from the outside, thereby preventing an electric shock accident. Specifically, the protection net 80 is disposed at the air outlet 12 in the present embodiment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The utility model provides a two heat source hot air curtain machines suitable for cold area which characterized in that includes:
the device comprises a shell, a motor, a wind wheel, a hydrothermal heater and an electric heating body;
the shell is provided with an air inlet and an air outlet;
the motor is erected in the shell, and the wind wheel is connected with a driving shaft of the motor; an air inlet channel is formed between the wind wheel and the air inlet, and an air outlet channel is formed between the wind wheel and the air outlet;
the hydrothermal type heater is arranged in the air inlet channel or the air outlet channel, and the electric heating body is arranged in the air inlet channel or the air outlet channel.
2. The dual heat source hot air curtain machine as claimed in claim 1, wherein:
the device also comprises a controller; the electric heating body is electrically connected with the controller, the electric heating body is provided with a plurality of heating sheets, and the controller is used for controlling the on-off of the plurality of heating sheets.
3. The dual heat source hot air curtain as claimed in claim 2, wherein:
the temperature controller is arranged on the electric heating body and is electrically connected with the electric heating body; and when the temperature controller detects that the temperature of the electric heating body is greater than the temperature threshold value, the power supply of the electric heating body is disconnected.
4. The dual heat source hot air curtain as claimed in claim 2, wherein:
the motor is electrically connected to the controller, and the controller is further used for controlling the rotating speed of the motor.
5. The dual heat source hot air curtain as claimed in claim 2, wherein: the remote controller is electrically connected with the controller and is used for transmitting an external control signal to the controller.
6. The dual heat source hot air curtain machine as claimed in claim 1, wherein:
the hydrothermal heater is a sleeve-type heater, and the sleeve-type heater comprises a support frame, a plurality of stainless steel heating pipes, a plurality of elbows, a heat source inlet pipe, a heat source outlet pipe and a plurality of fins;
the supporting frame is fixed on the shell; the stainless steel heating pipes are arranged in the supporting frame, and two ends of each elbow are connected with one stainless steel heating pipe; one end of one part of the stainless steel heating pipe, which is far away from the elbow, is connected to the heat source inlet pipe, and the other end of the stainless steel heating pipe, which is far away from the elbow, is connected to the heat source outlet pipe; the plurality of fins are sleeved on the outer side of the stainless steel heating pipe.
7. The dual heat source hot air curtain as claimed in claim 6, wherein:
the heat source inlet pipe is provided with a water outlet, and the water outlet is provided with a water discharge valve.
8. The dual heat source hot air curtain as claimed in claim 7, wherein:
the water receiving tray is arranged in the shell and is positioned right below the hydrothermal heater.
9. The dual heat source hot air curtain as claimed in claim 6, wherein:
the heat source outlet pipe is provided with an exhaust port, and an exhaust valve is arranged on the exhaust port.
10. A dual heat source hot air curtain as claimed in any one of claims 1 to 9 wherein:
the electric heating device is characterized by further comprising a protective net, wherein the protective net is arranged close to the electric heating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842986.2U CN215175821U (en) | 2021-04-22 | 2021-04-22 | Double-heat-source hot air curtain machine suitable for cold regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842986.2U CN215175821U (en) | 2021-04-22 | 2021-04-22 | Double-heat-source hot air curtain machine suitable for cold regions |
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| Publication Number | Publication Date |
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| CN215175821U true CN215175821U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120842986.2U Active CN215175821U (en) | 2021-04-22 | 2021-04-22 | Double-heat-source hot air curtain machine suitable for cold regions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543366A (en) * | 2022-03-08 | 2022-05-27 | 康平空调(北京)有限公司 | Large-air-volume air isolation system for alpine regions and intelligent control method |
-
2021
- 2021-04-22 CN CN202120842986.2U patent/CN215175821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543366A (en) * | 2022-03-08 | 2022-05-27 | 康平空调(北京)有限公司 | Large-air-volume air isolation system for alpine regions and intelligent control method |
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