Automatic glass demisting device for marine cab

An automatic control system with light source and light intensity detection sensors installed on the bridge glass monitors changes in light transmittance in real time and activates the hot air blower, solving the problem of automatic defogging of ship bridge glass, realizing automated defogging, reducing safety hazards and costs.

CN223878179UActive Publication Date: 2026-02-06SANDIANSHUI NEW ENERGY TECH (ANHUI) CO LTD
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Patent Information

Application Number
CN202520670829.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-02-06
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

The existing ship bridge windows cannot automatically defog, causing operational delays and posing safety hazards.

Method used

A light source is installed on the outside of the windshield of the driver's cab, and a light intensity detection sensor is installed on the inside. The light intensity detection sensor monitors the changes in light transmittance in real time, and the control module automatically starts the hot air blower to defog based on the detection results.

Benefits of technology

It achieves automatic defogging of the cab windows, avoids operation delays, reduces safety hazards, and is low in cost and highly reliable.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223878179U_ABST
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Abstract

The utility model relates to the technical field of glass demisting, in particular to an automatic glass demisting device for a marine cab, which comprises a cab windshield. A light source is arranged on one side of the cab windshield, and a light intensity detection sensor and an air heater are arranged on the other side of the cab windshield; the light intensity detection sensor is connected with a control module; the control module is connected with the air heater; the light intensity detection sensor can detect the illumination intensity of the light source after passing through a cab windshield in real time; when fog is formed on the cab windshield, the light transmittance is reduced, the light intensity detection sensor detects that the light intensity is reduced, and when the light intensity is reduced to be lower than a set value, the control module controls the air heater to be started, so that the cab windshield is heated and demisted; the device can detect fogging of the windshield of the cab in real time, the air heater is automatically started for demisting, timely demisting can be achieved, and interference to driving of a driver is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to glass defogging technical field, specifically, the utility model relates to a kind of automatic glass defogging device for marine pilothouse. BACKGROUND

[0002] Ship in navigation, pilothouse glass is easy to produce fog due to internal and external temperature difference, high humidity, seriously affect the driver's vision;Existing defogging mode mainly relies on manual opening hot air or mechanical scraping, there is operation delay, distraction and other safety hazards;Current ship pilothouse glass cannot realize automatic defogging.

[0003] Applicant finds that the patent literature with the announcement number CN213323548U discloses a kind of ship pilothouse glass window defogging device on June 1, 2021, including glass window body, the both sides of the glass window body are symmetrically provided with lead screw, the sliding block is threadedly connected on the lead screw, the pipe body is connected between the sliding block, the pipe body is equipped with several jet heads, the jet head is close to the glass window body and is provided, the one end of the lead screw is equipped with the reduction motor fixedly connected with the lead screw, the other end is equipped with limit block, the one side of the glass window body is equipped with shell, the one end of the shell is equipped with air inlet, the other end is equipped with air outlet, the heater and fan are equipped in the shell, the heater is close to the air inlet and is provided, the fan is close to the air outlet and is provided, the one end of the air outlet away from the shell is connected with the soft tube, the other end of the soft tube is connected with the pipe body;The device cannot solve the above technical problems.

[0004] Therefore, in order to improve or solve the above at least one problem, it is necessary to provide a kind of automatic glass defogging device for marine pilothouse, which can realize the automatic defogging of pilothouse glass of ship. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of automatic glass defogging device for marine pilothouse, which can realize the automatic defogging of pilothouse glass of ship.

[0006] In order to solve the above technical problems, the technical scheme adopted by the utility model is as follows: an automatic glass defogging device for marine pilothouse, comprising a windshield of pilothouse;The one side of the windshield of pilothouse is equipped with light source, and the other side of the windshield of pilothouse is respectively equipped with light intensity detection sensor and hot air blower;The light intensity detection sensor is connected with control module;The control module is connected with the hot air blower.

[0007] The windshield of pilothouse includes outdoor side and indoor side;The light source is arranged on the outdoor side of the windshield of pilothouse;The light intensity detection sensor is arranged on the indoor side of the windshield of pilothouse;The light source and the light intensity detection sensor are arranged in position correspondence.

[0008] The light source and the light intensity detection sensor are arranged close to the side of the windshield of the cab, and are arranged at the bottom of the windshield of the cab.

[0009] The light source is a light emitting diode, and the light intensity detection sensor is a photoresistor.

[0010] The control module comprises a voltage comparator, the voltage comparator is connected with the light intensity detection sensor, the voltage comparator is connected with an adjustable potentiometer and a relay, and the relay is connected with the hot air fan.

[0011] The hot air fan comprises a power supply, the power supply is connected with the relay, the relay is connected with a heating wire and a fan motor, and the fan motor is connected with a fan.

[0012] One side of the windshield of the cab is provided with a driver window sealing strip, the driver window sealing strip is provided with a hot air fan support, and the hot air fan is connected to the hot air fan support.

[0013] The light intensity detection sensor is arranged in a mounting shell, the mounting shell is provided with a convex lens, and the edge of the convex lens is provided with a waterproof silica gel layer.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model discloses a light source is equipped on the outdoor side of the windshield of the cab, and a light intensity detection sensor is equipped on the indoor side of the windshield of the cab, the light intensity detection sensor can detect the light intensity after the light source passes through the windshield of the cab in real time, when the windshield of the cab fogs, the light transmittance reduces, the light intensity detection sensor detects that the light intensity reduces, when the light intensity reduces to be lower than the set value, the control module controls the hot air fan to start, thereby heating the windshield of the cab and defogging, the device can realize real -time detection the windshield of the cab fogs, and automatically opens the hot air fan and defogs, can realize timely defogging, avoids the interference driver driving, and the cost is low, and the reliability is high, is suitable for widely used. BRIEF DESCRIPTION OF DRAWINGS

[0016] The specific embodiment of the utility model is further explained in detail in combination with the drawings, and the drawings are as follows:

[0017] Figure 1 It is the structural schematic diagram of the automatic glass defogging device for the marine cab of the utility model.

[0018] Figure 2 It is the mounting state schematic diagram of the hot air fan support of the utility model.

[0019] Figure 3 It is the structural schematic diagram of the mounting shell of the utility model.

[0020] Figure 4 The circuit diagram of the utility model.

[0021] The marks in the above-mentioned drawing are:

[0022] The marks in the drawing are: 1, cab windshield, 101, driving window sealing strip, 102, hot air blower bracket,

[0023] 2, light source,

[0024] 3, light intensity detection sensor, 301, mounting shell, 302, convex lens,

[0025] 4, hot air blower,

[0026] 5, control module, 501, voltage comparator, 502, adjustable potentiometer, 503, relay,

[0027] 6, power supply, 601, heating wire, 602, fan motor, 603, fan. DETAILED DESCRIPTION

[0028] The specific embodiments of the utility model are further described in detail below by comparing with the drawings and by describing the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and deep understanding to the inventive concept and technical scheme of the utility model, and help to implement.

[0029] Figures 1-4 The automatic glass defogging device for marine cab shown in the drawing comprises a cab windshield 1; a light source 2 is arranged on one side of the cab windshield 1; a light intensity detection sensor 3 and a hot air blower 4 are respectively arranged on the other side of the cab windshield 1; the light intensity detection sensor 3 is connected with a control module 5; and the control module 5 is connected with the hot air blower 4.

[0030] The light intensity detection sensor 3 is arranged on the indoor side of the cab windshield 1; the light intensity detection sensor 3 can detect the light intensity after the light source 2 passes through the cab windshield 1 in real time; when the cab windshield 1 fogs, the light transmittance decreases, the light intensity detection sensor 3 detects the decrease of the light intensity, when the light intensity decreases to be lower than the set value, the control module 5 controls the hot air blower 4 to start, thereby heating and defogging the cab windshield 1; the device can realize real-time detection of the fogging of the cab windshield 1, and automatically start the hot air blower 4 to defog, can realize timely defogging, avoid interference to the driver driving, has low cost, high reliability, and is suitable for popularization and use.

[0031] The cab windshield 1 comprises an outdoor side and an indoor side; the light source 2 is arranged on the outdoor side of the cab windshield 1; the light intensity detection sensor 3 is arranged on the indoor side of the cab windshield 1; and the light source 2 and the light intensity detection sensor 3 are arranged in position correspondence.

[0032] The light source 2 is arranged on the outdoor side of the windshield 1, and the light intensity detection sensor 3 is arranged on the indoor side of the windshield 1, and the light source 2 and the light intensity detection sensor 3 are arranged in a corresponding position, so that the light emitted by the light source 2 can be stably received by the light intensity detection sensor 3 after passing through the windshield 1.

[0033] The light source 2 and the light intensity detection sensor 3 are arranged close to the side edge of the windshield 1, and the light source 2 and the light intensity detection sensor 3 are arranged on the bottom of the windshield 1.

[0034] The light source 2 and the light intensity detection sensor 3 are arranged on the bottom of the windshield 1.

[0035] The light source 2 is a light-emitting diode, and the light intensity detection sensor 3 is a photoresistor.

[0036] In this embodiment, the light-emitting diode is energy-saving, efficient, long in service life, fast in response speed, small in size and light in weight, and is suitable for the device; the light intensity detection sensor 3 is a photoresistor, which is a light-sensitive semiconductor element, and its resistance value will change with the change of light intensity, which ensures the detection accuracy, stability and reliability, and also ensures the low cost.

[0037] The control module 5 comprises a voltage comparator 501; the voltage comparator 501 is connected with the light intensity detection sensor 3; the voltage comparator 501 is connected with an adjustable potentiometer 502 and a relay 503; the relay 503 is connected with the hot air machine 4.

[0038] The voltage comparator 501 can be LM393; when the light intensity detection sensor 3 works, it will generate an electrical signal output corresponding to the change of external light intensity; the voltage comparator 501 compares the signal voltage of the light intensity detection sensor 3 with the reference voltage set by the adjustable potentiometer 502; when the output voltage of the light intensity detection sensor 3 is higher or lower than the reference voltage set by the adjustable potentiometer 502, the voltage comparator 501 will change the output state; the relay 503 is connected with the voltage comparator 501, when the voltage comparator 501 changes the output state and meets the trigger condition of the relay 503, the coil of the relay 503 will be electrified, and then a magnetic field is generated to make the contact in the relay 503 act; since the relay 503 is connected with the hot air blower 4, the contact will control the on-off of the hot air blower 4 circuit after the contact acts, so as to realize the control of the working state of the hot air blower 4, and make the hot air blower 4 start or stop according to the change of light intensity; in the embodiment, the calibration voltage of 50% and 70% transmittance is set in the adjustable potentiometer 502; when the transmittance is detected to be less than 50%, the relay 503 is closed to start the hot air blower 4; after the transmittance is recovered to be greater than 70%, the hot air blower 4 is closed after 1 minute (to prevent repeated start-stop); the hot air blower 4 selects a marine 12V / 24V DC fan (such as a modified automobile air conditioner blower), and the air outlet is aligned with the inner edge of the windshield of the cab to avoid directly blowing the driver.

[0039] The hot air blower 4 includes a power supply 6; the power supply 6 is connected with the relay 503; the relay 503 is connected with a heating wire 601 and a fan motor 602; the fan motor 602 is connected with a fan 603.

[0040] The relay 503 can control the on-off of the circuit of the power supply 6, the heating wire 601 and the fan motor 602; when the power supply 6 supplies power to the heating wire 601, the heating wire 601 heats the air; when the power supply 6 supplies power to the fan motor 602, the fan motor 602 drives the fan 603 to rotate, so that the hot air can be blown out.

[0041] One side of the windshield 1 of the cab is provided with a driver's window sealing strip 101; the driver's window sealing strip 101 is provided with a hot air blower support 102; the hot air blower 4 is connected to the hot air blower support 102.

[0042] The hot air blower 4 is fixedly connected to the hot air blower support 102; the hot air blower support 102 is fixedly connected to the driver's window sealing strip 101, does not occupy the space of the driver's cabin, and can effectively reduce the modification cost.

[0043] The light intensity detection sensor 3 is arranged in a mounting shell 301, and a convex lens 302 is arranged on the mounting shell 301; a waterproof silica gel layer is arranged on the edge of the convex lens 302.

[0044] The light intensity detection sensor 3 is installed in the installation shell 301, the installation shell 301 can protect the light intensity detection sensor 3, prevent the light intensity detection sensor 3 from being influenced by external physical damage, dust and other impurities, ensure that the light intensity detection sensor 3 is in relatively stable and safe working environment;When light irradiates to the convex lens 302, according to the converging effect of the convex lens 302 to light, light can be focused on the detection area of the light intensity detection sensor 3;The light intensity detection sensor 3 can enhance the light intensity signal received, improve the detection sensitivity and accuracy of the light intensity detection sensor 3, so that the light intensity detection sensor 3 can more accurately perceive the change of external light intensity;The waterproof silica gel layer prevents moisture from entering the inside of the installation shell 301, provides a dry working environment for the light intensity detection sensor 3.

[0045] The specific working process of the utility model is as follows:

[0046] The light intensity detection sensor 3 is installed in the installation shell 301, the installation shell 301 can protect the light intensity detection sensor 3, prevent the light intensity detection sensor 3 from being influenced by external physical damage, dust and other impurities, ensure that the light intensity detection sensor 3 is in relatively stable and safe working environment;When light irradiates to the convex lens 302, according to the converging effect of the convex lens 302 to light, light can be focused on the detection area of the light intensity detection sensor 3;The light intensity detection sensor 3 can enhance the light intensity signal received, improve the detection sensitivity and accuracy of the light intensity detection sensor 3, so that the light intensity detection sensor 3 can more accurately perceive the change of external light intensity;The waterproof silica gel layer prevents moisture from entering the inside of the installation shell 301, provides a dry working environment for the light intensity detection sensor 3.

[0047] The utility model has been described exemplarily above in connection with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An automatic glass defogging device for a bridge of a ship, characterized by: The application relates to a cab windshield (1), which is provided with a light source (2) on one side, a light intensity detection sensor (3) and a hot air blower (4) on the other side respectively, and a control module (5) connected with the light intensity detection sensor (3).

2. An automatic defogging device for a ship's bridge window according to claim 1, characterized in that: The cab windshield (1) comprises an outdoor side and an indoor side; the light source (2) is arranged on the outdoor side of the cab windshield (1); the light intensity detection sensor (3) is arranged on the indoor side of the cab windshield (1); and the light source (2) and the light intensity detection sensor (3) are arranged in a position corresponding mode.

3. An automatic defogging device for a ship's bridge window according to claim 2, characterized in that: The light source (2) and the light intensity detection sensor (3) are arranged close to the side edge of the cab windshield (1), and the light source (2) and the light intensity detection sensor (3) are arranged on the bottom of the cab windshield (1).

4. An automatic glass defogging device for a bridge of a ship according to any one of claims 2 to 3, characterized in that: The light source (2) is a light emitting diode; and the light intensity detection sensor (3) is a photoresistor.

5. An automatic defogging device for a ship's bridge window according to claim 4, characterized in that: The control module (5) comprises a voltage comparator (501); the voltage comparator (501) is connected with the light intensity detection sensor (3); the voltage comparator (501) is connected with an adjustable potentiometer (502) and a relay (503); and the relay (503) is connected with the hot air blower (4).

6. An automatic defogging device for a ship's bridge window according to claim 5, characterized in that: The hot air blower (4) comprises a power supply (6); the power supply (6) is connected with the relay (503); the relay (503) is connected with a heating wire (601) and a fan motor (602); and the fan motor (602) is connected with a fan (603).

7. An automatic glass defogging device for a bridge of a ship according to any one of claims 5 to 6, characterized in that: The cab windshield (1) is provided with a driving window sealing strip (101) on one side; the driving window sealing strip (101) is provided with a hot air blower support (102); and the hot air blower (4) is connected to the hot air blower support (102).

8. An automatic defogging device for a ship's bridge window according to claim 7, characterized in that: The light intensity detection sensor (3) is arranged in a mounting shell (301), and the mounting shell (301) is provided with a convex lens (302); and the edge of the convex lens (302) is provided with a waterproof silica gel layer.

Citation Information

Patent Citations

  • Cab glass window demisting device for ship

    CN213323548U