CN211851951U

CN211851951U - Temperature overheating protection device for diesel outboard engine

Info

Publication number: CN211851951U
Application number: CN202020561774.2U
Authority: CN
Inventors: 熊伟; 卓明
Original assignee: Hunan Jinsha Power Technology Co ltd
Current assignee: Hunan Jinsha Power Technology Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-03
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a diesel oil outboard engine temperature overheat protection device, including cooling device and protection device, cooling device is including locating the inside machine oil drain pan of outboard engine and locating the outside machine oil cooler of outboard engine, the machine oil drain pan is connected with the machine oil cooler, protection device includes ECU, temperature sensor and overheat protection relay, overheat protection relay is connected with temperature sensor, temperature sensor locates inside the outboard engine, ECU is connected with overheat protection relay. The utility model discloses set for temperature sensor in the cylinder water course of outboard engine, received the temperature that temperature sensor transmission was come when the overheat protection relay and exceeded the settlement temperature, then overheat protection relay open circuit to the outboard engine flameout shutdown guarantees that the outboard engine does not work under the high temperature, has protected the outboard engine internals.

Description

Temperature overheating protection device for diesel outboard engine

Technical Field

The utility model belongs to the technical field of outboard engine technique and specifically relates to a diesel oil outboard engine temperature overheat protection device is related to.

Background

Outboard engines, also known as outboard engines, are propulsion engines mounted on the outside of a hull (side of a ship) and are typically suspended from the outside of a transom. The outboard engine has high integration level and simple installation and purchase, and is the preferred power of the personal leisure and entertainment boat.

The outboard engine during operation often can produce high temperature, relies on the inside cooling system of outboard engine usually to and the inside machine oil of outboard engine cools down, but the engine of motor boat outboard engine is because work under sealed ring border, and it is unsatisfactory that water cooling system cooling effect is leaned on to machine oil, and the lubricated effect of too high machine oil of machine oil temperature can reduce, and long-time continuous use causes the damage of outboard engine easily.

In addition, when a cooling system inside the outboard engine fails, the outboard engine is likely to operate at a high temperature, and internal parts of the outboard engine are likely to be damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the shortcomings of the prior art are overcome, the diesel outboard engine temperature overheating protection device is provided, the overheating protection device comprises a cooling device and a protection device, the cooling device can cool engine oil, lubrication of the engine oil to the internal components of the outboard engine is guaranteed, the protection device is arranged to enable the outboard engine to be powered off and flameout when in a high-temperature state, and internal parts of the outboard engine are protected from being damaged.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a diesel outboard engine temperature overheat protection device, includes cooling device and protection device, cooling device is including locating the inside machine oil drain pan of outboard engine and locating the outside machine oil cooler of outboard engine, the machine oil drain pan is connected with the machine oil cooler, protection device includes ECU, temperature sensor and overheat protection relay, overheat protection relay is connected with temperature sensor, temperature sensor locates inside the outboard engine, ECU is connected with overheat protection relay.

Further, the temperature sensor is arranged in a cylinder water channel of the outboard engine, and the output end of the temperature sensor is connected with the input end of the ECU.

Further, the oil cooler comprises an oil storage tank and a shielding net arranged outside the oil storage tank.

Further, the oil storage tank is connected with the oil sump through an oil pipe.

Further, the machine oil pipe is including advancing oil pipe and going out oil pipe, it all connects between machine oil storage box and machine oil pan with going out oil pipe to advance oil pipe.

Further, the oil inlet pipe is provided with a first oil pump, and the oil outlet pipe is provided with a second oil pump.

Further, the horizontal position of the oil cooler is lower than that of the oil pan.

Further, shelter from the net and install on the shell of outboard engine, shelter from the net including holding the chamber, it is equipped with the machine oil storage box to hold the intracavity.

The utility model has the advantages that:

1. when the engine oil cooler is installed on a speedboat for use, the engine oil in the outboard engine is transmitted to the engine oil cooler below the engine body through the oil pump, and the engine oil cooler is cooled through lake water or seawater, so that the engine oil in the engine oil cooler is transmitted back to the outboard engine for lubricating parts after being cooled;

2. the utility model discloses set for temperature sensor in the cylinder water course of outboard engine, received the temperature that temperature sensor transmitted when the overheat protection relay and come and exceeded the settlement temperature, then the disconnection of overheat protection relay, the ECU outage, stop work to the flameout shutdown of outboard engine guarantees that the outboard engine does not work under the high temperature, has protected the outboard engine internals.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-oil sump, 2-oil outlet pipe, 3-oil inlet pipe, 4-oil storage tank, 5-stern, 10-outboard engine.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1: the utility model provides a diesel outboard engine temperature overheat protection device, includes cooling device and protection device, cooling device is including locating the inside machine oil drain pan of outboard engine and locating the outside machine oil cooler of outboard engine, the machine oil drain pan is connected with the machine oil cooler, protection device includes ECU, temperature sensor and overheat protection relay, overheat protection relay is connected with temperature sensor, temperature sensor locates inside the outboard engine, ECU is connected with overheat protection relay.

In the embodiment, the overheat protection relay comprises a relay and a temperature control switch, and the relay is controlled to be opened or closed by the temperature control switch; the temperature control switch is connected with the temperature sensor through a wire, and when the temperature transmitted by the temperature sensor reaches or exceeds a certain value, the relay is disconnected, so that flameout of the outboard engine is caused. The temperature switch is a series of automatic control elements which are physically deformed in the switch according to the temperature change of a working environment, thereby generating certain special effects and generating on or off actions. The temperature switch, relay, ECU and temperature sensor are all prior art and will not be described in detail.

In the present embodiment, the overheat protection relay is installed on the main circuit of the outboard engine 10 and is connected to the ECU by an electric wire; the temperature sensor is installed in a cylinder water channel of the outboard engine 10, is used for detecting the temperature in the cylinder water channel, and is connected with the overheat protection relay through a wire; the ECU is an electronic control unit, also called a traveling computer, and like a common computer, is composed of a Microprocessor (MCU), a memory (ROM, RAM), an input/output interface (I/O), an analog-to-digital converter (a/D), and a large-scale integrated circuit such as a shaping and driving circuit, and controls the operation of the outboard engine.

The operation principle of the protection device is as follows: the power-off value of the temperature control switch is set to be 80 ℃, when the outboard engine 10 is lack of water in the cylinder water channel, the temperature in the cylinder water channel can rise, when the temperature in the cylinder water channel exceeds 80 ℃, the temperature sensor transmits the detected temperature value to the overheating protection relay, so that the overheating protection relay is disconnected, the circuit is broken, the ECU stops working, and the outboard engine 10 is powered off and stalls. This ensures that the outboard engine 10 does not operate at high temperatures, and avoids damage to the internal components of the outboard engine 10. When the outboard engine 10 is out of order, the ECU is energized to be operable again.

In the embodiment, the cooling device is further arranged and comprises an oil sump 1 and an oil cooler, an oil outlet and an oil inlet are arranged at the oil sump 1, the oil outlet is connected with an oil outlet pipe 2, the other end of the oil outlet pipe 2 is connected with the oil cooler, and the oil in the oil sump 1 flows out from the oil outlet and flows into the oil cooler through the oil outlet pipe 2; after being cooled in the oil cooler, the engine oil flows out of the oil cooler and flows into the engine oil sump 1 through the oil inlet pipe 3, so that the engine oil participates in the lubrication of the internal components of the outboard engine 10. Here, the inlet and outlet of the oil inlet pipe 3 and the oil outlet pipe 2 are with respect to the oil pan 1.

In this embodiment, according to the use state of the yacht, the surface of the yacht in contact with water is defined as the lower surface, and the other surface is defined as the upper surface, and the outboard engine 10 is operated in the same manner as the upper surface and the lower surface. An oil cooler is installed below the outside of the outboard engine 10, and the oil cooler is located below the oil pan 1. The machine oil cooler includes machine oil storage box 4 and shelters from the net, machine oil storage box 4 is a box structure, this machine oil storage box 4 is connected with machine oil drain pan 1 through going out oil pipe 2 and advancing oil pipe 3, and be equipped with first oil pump in the junction that goes out oil pipe 2 and machine oil storage box 4, it is equipped with the second oil pump to advance oil pipe 3 and the junction of machine oil storage box 4, through the work of first oil pump and second oil pump, realize the circulation of machine oil in machine oil drain pan 1 and the machine oil storage box 4. Or, the first oil pump and the second oil pump can be designed at the joint of the oil outlet pipe 2 and the oil pan 1 and the joint of the oil inlet pipe 3 and the oil pan 1.

Furthermore, the oil outlet pipe 2 and the oil inlet pipe 3 are hard pipes, the hard pipes can be used for fixing the engine oil storage tank 4, connecting lugs can be welded on the outer side of the engine oil storage tank 4, and the connecting lugs are connected with a shell bolt of the outboard engine 10, so that the engine oil storage tank 4 is prevented from shaking during the running of the yacht.

In another embodiment, the second oil pump is only arranged at the joint of the oil storage tank 4 and the oil inlet pipe 3, because the oil storage tank 4 is positioned below the oil pan 1, the oil in the oil pan 1 can flow into the oil storage tank 4 through the oil outlet pipe 2 under the action of gravity.

In this embodiment, shelter from the half closed object that has the chamber that holds that the net was made for the wire netting, shelter from the upper end opening of net, shelter from the chamber that holds that the net can hold machine oil storage box 4.

After the installation of the engine oil storage tank 4 is completed, the shielding net upwards nets the engine oil storage tank 4 from the lower end of the engine oil storage tank 4, so that the engine oil storage tank 4 is positioned in the middle of the accommodating cavity of the shielding net, and then the shielding net is welded on the shell of the outboard engine 10. When the yacht is in a lake or sea, the engine oil storage tank 4 is arranged at the lower part of the outboard engine 10 and is directly contacted with water, and due to the design of the shielding net, the attack of aquatic organisms on the engine oil storage tank 4 is avoided, so that the engine oil storage tank 4 is prevented from being damaged.

The utility model discloses a use method: the outboard engine 10 is arranged at the stern 5 of the speedboat, and after the speedboat is launched into water, the engine oil storage tank 4 is submerged under the water, and the outside is protected by a shielding net; when the outboard engine 10 works, the first oil pump and the second oil pump are started simultaneously, the engine oil in the engine oil sump 1 enters the engine oil storage tank 4 under the action of the first oil pump, the engine oil storage tank 4 is located in water, the water cools the engine oil storage tank 4, the cooled engine oil enters the engine oil sump 1 again under the action of the second oil pump to work, parts of the outboard engine 10 are lubricated, and an engine oil cooling circulation is formed between the engine oil sump 1 and the engine oil storage tank 4; if in the yacht navigation process, the outboard engine 10 breaks down, under the action of the ECU and the overheat protection relay, the outboard engine 10 is powered off and flameout, and the damage of parts caused by the operation of the outboard engine 10 at high temperature is avoided.

The above are only embodiments of the present invention, and are not intended to limit the present invention, and to those skilled in the art, the present invention can have the combination and modification of the above various technical features, and those skilled in the art can replace the modifications, equivalents, or use the structure or method of the present invention in other fields to achieve the same effect without departing from the spirit and scope of the present invention, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides a diesel outboard engine temperature overheat protection device which characterized in that: including cooling device and protection device, cooling device is including locating the inside machine oil drain pan of outboard engine and locating the outside machine oil cooler of outboard engine, the machine oil drain pan is connected with the machine oil cooler, protection device includes ECU, temperature sensor and overheat protection relay, overheat protection relay is connected with temperature sensor, temperature sensor locates inside the outboard engine, ECU is connected with overheat protection relay.

2. The diesel outboard engine temperature overheat protection apparatus according to claim 1, wherein: the temperature sensor is arranged in a cylinder water channel of the outboard engine, and the output end of the temperature sensor is connected with the input end of the overheat protection relay.

3. The diesel outboard engine temperature overheat protection apparatus according to claim 1, wherein: the oil cooler comprises an oil storage box and a shielding net arranged on the outer side of the oil storage box.

4. The diesel outboard engine temperature overheat protection apparatus according to claim 3, wherein: the engine oil storage tank is connected with the engine oil sump through an engine oil pipe.

5. The diesel outboard engine temperature overheat protection apparatus according to claim 4, wherein: the engine oil pipe comprises an oil inlet pipe and an oil outlet pipe, and the oil inlet pipe and the oil outlet pipe are both connected between the engine oil storage tank and the engine oil sump.

6. The diesel outboard engine temperature overheat protection apparatus according to claim 5, wherein: the oil inlet pipe is provided with a first oil pump, and the oil outlet pipe is provided with a second oil pump.

7. The diesel outboard engine temperature overheat protection apparatus according to claim 6, wherein: the horizontal position of the oil cooler is lower than that of the oil sump.

8. The diesel outboard engine temperature overheat protection apparatus according to claim 6, wherein: the shielding net is installed on a shell of the outboard engine and comprises a containing cavity, and an engine oil storage box is arranged in the containing cavity.