Energy-saving ship cabin ventilation device

Abstract

The utility model discloses an energy-saving ship cabin ventilation device which comprises an inductor and two structural air ducts, the two structural air ducts are arranged on the two sides in a cabin respectively, a plurality of first spherical air openings are formed in the structural air ducts, the structural air ducts are communicated with a top air duct through a connecting pipeline, and a pipeline fan is arranged in the top air duct. The top air duct is installed on a forecastle deck, the sensor and the pipeline fan are electrically connected with the control device, the control device is used for controlling the rotating speed of the pipeline fan, the control device comprises a PLC and a frequency converter connected with the PLC, the control device conducts variable-frequency gear shifting and variable-frequency ventilation quantity adjustment on the pipeline fan, and more energy is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of ship ventilation, in particular to an energy-saving ship cabin ventilation device. Background Art

[0002] There are cabins in the hull, and the cabins refer to various spaces below the deck, including bow cabin, stern cabin, cargo hold, engine room and boiler room, etc. Traditional cabin ventilation usually adopts ventilation fans for ventilation. The ventilation fans have two ventilation modes: exhaust type and suction type. The exhaust type takes in air from the natural air inlet and discharges the dirty air through the ventilation fan. The suction type sucks in fresh air through the ventilation fan and discharges the dirty air from the natural exhaust port. In the prior art, such as patent CN213535079U, a cabin ventilation device with exhaust function is disclosed, including a ventilation box, the ventilation box is provided with an exhaust fan and an exhaust fan, the upper ends of the ventilation box are respectively connected with a ventilating pipe and a ventilating pipe, the ventilation box is used to extract air for ventilation and air exchange, but the ventilation and air exchange functions are both provided on a single ventilation box. If the cabin space is large, it is not conducive to further improving the ventilation effect of the cabin. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects or problems existing in the background technology and to provide an energy-saving ship cabin ventilation device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An energy-saving ship cabin ventilation device comprises a sensor and two structural air ducts, wherein the two structural air ducts are respectively arranged on both sides of the cabin, a plurality of first spherical air outlets are arranged on the structural air ducts, the structural air ducts are connected to a top air duct through a connecting pipe, a duct fan is arranged in the top air duct, and the top air duct is installed on the forecastle deck, the sensor and the duct fan are respectively electrically connected to a control device, the control device is used to control the rotation speed of the duct fan, and the control device comprises a PLC controller and a frequency converter connected to the PLC controller.

[0006] In certain embodiments of the utility model, a plurality of ventilation openings are arranged along the pipeline direction on the structural air duct, and the ventilation openings are arranged downward. The first spherical air outlet includes a mounting seat, which is installed on the ventilation opening, and a hemispherical ventilation filter is arranged on the mounting seat.

[0007] In some embodiments of the utility model, a guide plate is arranged inside the ventilation opening, the guide plate is inclined toward the ventilation opening, and the bottom of the guide plate is installed on the lower side wall of the structural air duct through a connecting strip.

[0008] In some embodiments of the utility model, the front length of the guide plate is set to be one quarter of the cross-sectional width of the structural air duct, and adjacent guide plates are staggeredly arranged on both sides of the structural air duct.

[0009] In certain embodiments of the utility model, the structural air duct is installed on the top of the cabin through an air duct hanger.

[0010] In certain embodiments of the utility model, any one structural air duct is configured as an air supply duct, and the other structural air duct is configured as an air exhaust duct, and the exhaust directions of the two duct fans are opposite.

[0011] In some embodiments of the utility model, the side wall of the exhaust duct is connected to the side pipe, the other end of the side pipe is arranged downward and equipped with a second exhaust port, and the cabin equipment is arranged at the lower side of the second exhaust port.

[0012] In some embodiments of the utility model, the top wind tube adopts a mushroom-shaped ventilator for ships, and a plurality of brackets are connected to the outer side of the top wind tube, and the lower ends of the brackets are installed on the forecastle deck.

[0013] In certain embodiments of the present invention, the sensor includes any one or more sensors selected from the group consisting of a temperature sensor, a PM2.5 sensor, a carbon monoxide sensor, a carbon dioxide sensor, and an oxygen sensor.

[0014] In some embodiments of the present invention, an airflow sensor is provided in the connecting pipe, and the airflow sensor is electrically connected to the control device.

[0015] From the above description of the utility model, it can be seen that compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The air supply duct and the exhaust duct are respectively arranged on both sides of the top of the cabin, and the first spherical air outlet is used to make the ventilation in the cabin more uniform and the ventilation effect is good. The duct fan is frequency-controlled by the control device, which is more energy-saving and power-saving.

[0017] 2. The duct fan is installed on the forecastle deck far away from the cabin, which effectively prevents the noise generated by the duct fan from affecting the crew in the cabin and ensures a good working environment for the crew in the cabin.

[0018] 3. The side wall of the exhaust duct is connected to the side pipe, and the side pipe is equipped with a second exhaust port. Cabin equipment that needs heat dissipation is arranged under the second exhaust port. The second exhaust port provides good ventilation and heat dissipation effects for the cabin equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 This is a layout diagram of the structural air duct of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the top air duct of the utility model;

[0023] Figure 4 This is a schematic diagram of the installation of the top air duct of the utility model;

[0024] Figure 5 This is a schematic diagram of the installation of the guide plate of the utility model;

[0025] Description of main reference numerals:

[0026] 1. Structural air duct, 10. Air supply duct, 11. Exhaust duct, 12. Side duct, 13. Second exhaust port, 14. Guide plate, 15. Connecting strip, 2. First spherical air port, 20. Mounting seat, 21. Hemispherical ventilation filter, 3. Connecting duct, 4. Top air duct, 40. Toggle plate, 5. Duct fan, 6. Cabin, 7. Forecastle deck. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are preferred embodiments of the utility model and should not be regarded as excluding other embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. is to distinguish different objects rather than to describe a specific order.

[0029] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the invention.

[0030] In the claims, specification and the above drawings of the utility model, unless otherwise clearly defined, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, any connection method without a displacement relationship and relative rotation relationship between the two, that is to say, including non-detachable fixed connection, detachable fixed connection, integrated connection and fixed connection through other devices or elements.

[0031] In the claims, specification and drawings of the present utility model, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0032] Example 1, see Figure 1-5 :

[0033] An energy-saving ship cabin ventilation device comprises a sensor and two structural air ducts 1, wherein the two structural air ducts 1 are respectively arranged on both sides of a cabin 6, the structural air duct 1 is provided with a plurality of first spherical air outlets 2 along the pipeline direction, the structural air duct 1 is connected to a top air duct 4 through a connecting pipeline 3, a duct fan 5 is arranged in the top air duct 4, and the top air duct 4 is installed on a forecastle deck 7.

[0034] As an implementation mode, the top wind duct 4 adopts a mushroom-shaped ventilator for ships, and a plurality of toggle plates 40 are connected to the outer side of the top wind duct 4, and the lower end of the toggle plate 40 is installed on the forecastle deck 7, so that the top wind duct 4 is installed more firmly and stably.

[0035] As an implementation mode, the structural air duct 1 is installed on the top of the cabin 6 through an air duct hanger.

[0036] As an implementation mode, the inner surfaces of the structural air duct 1 and the connecting pipe 3 are coated with a primer layer and an acid-resistant paint layer, and the outer surfaces of the structural air duct 1 and the connecting pipe 3 are coated with an anti-rust paint layer and a color paint layer.

[0037] As an implementation mode, any one structural air duct 1 is set as an air supply duct 10, and the other structural air duct 1 is set as an exhaust duct 11, and the exhaust directions of the two duct fans 5 are opposite. Specifically, the exhaust direction of any duct fan 5 is toward the structural air duct 1, and the structural air duct 1 is set as the air supply duct 10, and the exhaust direction of the other duct fan 5 is toward the top outlet of the top air duct 4, and the structural air duct 1 corresponding to the duct fan 5 is set as the exhaust duct 11.

[0038] As an embodiment, the structural air duct 1 is provided with a plurality of ventilation openings along the pipeline direction, and the ventilation openings are arranged downward. The first spherical air outlet 2 includes a mounting seat 20, and the mounting seat 20 is installed on the ventilation opening. A hemispherical ventilation filter 21 is arranged on the mounting seat 20.

[0039] As an implementation mode, the side wall of the exhaust duct 11 is connected to the side pipe 12, and the other end of the side pipe 12 is arranged downward and installed with a second exhaust port 13, and cabin equipment is arranged at the lower side of the second exhaust port 13. Specifically, the cabin equipment is a refrigeration unit or other equipment that requires heat dissipation, and the second exhaust port 13 facilitates ventilation and heat dissipation of the cabin equipment.

[0040] The sensor and the duct fan 5 are electrically connected to the control device respectively, and the control device is used to control the rotation speed of the duct fan 5. The control device includes a PLC controller and a frequency converter connected to the PLC controller. The frequency converter is used to perform frequency conversion and gear adjustment on the duct fan 5, and the ventilation volume is adjusted by frequency conversion, which is more energy-saving. It can be understood that the analog signal output by the sensor is converted by the converter into a digital signal that can be recognized by the PLC controller.

[0041] The sensor includes any one or more sensors of a temperature sensor, a PM2.5 sensor, a carbon monoxide sensor, a carbon dioxide sensor, and an oxygen sensor. The sensor monitors the air state in the cabin 6 in real time and transmits the corresponding monitoring data to the control device. As an embodiment, the duct fan 5 is provided with a low speed gear and a high speed gear. The sensor adopts a temperature sensor. The corresponding gear adjustment temperature set in the control device is 30°. When the temperature sensor monitoring data is lower than 30°, the PLC controller issues a "low speed gear" instruction, and the frequency converter controls the duct fan 5 to work at a low speed gear. When the temperature sensor monitoring data is higher than 30°, the PLC controller issues a "high speed gear" instruction, and the frequency converter controls the duct fan 5 to work at a high speed gear.

[0042] As an implementation manner, the control device is electrically connected to an operating button, and a user can manually control it through the operating button.

[0043] As an implementation mode, the frequency converter is connected to a frequency converter contactor, and the frequency converter is connected to the duct fan 5 via the frequency converter contactor. The frequency converter contactor plays a role in controlling current and protecting the motor.

[0044] As an implementation mode, a guide plate 14 is provided inside the ventilation opening, and the guide plate 14 is tilted toward the ventilation opening to facilitate air circulation of the first spherical air outlet 2, and the bottom of the guide plate 14 is installed on the lower side wall of the structural air duct 1 through a connecting strip 15. Preferably, the inclination angle of the guide plate 14 is set to 30-60°, the front length of the guide plate 14 is set to one-fourth of the cross-sectional width of the structural air duct 1, and adjacent guide plates 14 are staggered on both sides of the structural air duct 1.

[0045] As an implementation mode, an airflow sensor is provided in the connecting pipe 3 , the airflow sensor is electrically connected to the control device, and the airflow sensor is used to measure the flow velocity and air volume of the air in the connecting pipe 3 .

[0046] The description of the above specification and embodiments is used to explain the protection scope of the utility model, but does not constitute a limitation on the protection scope of the utility model. Through the enlightenment of the utility model or the above embodiments, ordinary technicians in this field can obtain modifications, equivalent replacements or other improvements to the embodiments of the utility model or part of the technical features thereof through logical analysis, reasoning or limited experiments, which should be included in the protection scope of the utility model.

Claims

1. An energy-saving ship cabin ventilation device, characterized in that: It includes a sensor and two structural air ducts, which are respectively arranged on both sides of the cabin, and a plurality of first spherical air outlets are arranged on the structural air ducts. The structural air ducts are connected to the top wind duct through a connecting pipe, and a duct fan is arranged in the top wind duct, and the top wind duct is installed on the forecastle deck. The sensor and the duct fan are respectively electrically connected to the control device, and the control device is used to control the rotation speed of the duct fan. The control device includes a PLC controller and a frequency converter connected to the PLC controller.

2. An energy-saving ship cabin ventilation device according to claim 1, characterized in that: The structural air duct is provided with a plurality of ventilation openings along the pipeline direction, and the ventilation openings are arranged downwards. The first spherical air outlet comprises a mounting seat, which is mounted on the ventilation opening, and a hemispherical ventilation filter is arranged on the mounting seat.

3. The energy-saving ship cabin ventilation device according to claim 2 is characterized in that: A guide plate is arranged on the inner side of the ventilation opening, the guide plate is inclined toward the ventilation opening, and the bottom of the guide plate is installed on the lower side wall of the structural air duct through a connecting strip.

4. The energy-saving ship cabin ventilation device according to claim 3 is characterized in that: The front length of the guide plate is set to be one quarter of the width of the cross section of the structural air duct, and adjacent guide plates are staggeredly arranged on both sides of the structural air duct.

5. The energy-saving ship cabin ventilation device according to claim 1 is characterized in that: The structural air duct is installed on the top of the cabin through an air duct hanger.

6. The energy-saving ship cabin ventilation device according to claim 1, characterized in that: Any structural air duct is set as an air supply duct, and the other structural air duct is set as an exhaust duct, and the exhaust directions of the two duct fans are opposite.

7. An energy-saving ship cabin ventilation device according to claim 6, characterized in that: The side wall of the exhaust duct is connected to the side pipe, the other end of the side pipe is arranged downward and is equipped with a second exhaust port, and the lower side of the second exhaust port is arranged with cabin equipment.

8. The energy-saving ship cabin ventilation device according to claim 1, characterized in that: The top wind tube adopts a mushroom-shaped ventilator for ships, and a plurality of brackets are connected to the outer side of the top wind tube, and the lower ends of the brackets are installed on the forecastle deck.

9. The energy-saving ship cabin ventilation device according to claim 1, characterized in that: The sensor includes any one or more sensors selected from the group consisting of a temperature sensor, a PM2.5 sensor, a carbon monoxide sensor, a carbon dioxide sensor, and an oxygen sensor.

10. The energy-saving ship cabin ventilation device according to claim 1, characterized in that: An airflow sensor is arranged in the connecting pipe, and the airflow sensor is electrically connected to the control device.

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