阅读说明：本技术 一种多模块自动化控温油底壳预热装置 (Multi-module automatic temperature control oil sump preheating device ) 是由 雷基林 刘明健 杨锡华 于 2021-07-15 设计创作，主要内容包括：本发明专利公开了一种多模块自动化控温油底壳预热装置,包括固定于发动机油底壳上的预热器,预热器包括：保温层和设置在所述保温层内壁上的多个预热模块,所述预热模块通过导线与温控仪连接,每个所述预热模块均设置有温度传感器,所述温度传感器与温控仪数据连接；该预热装置独立于原发动机各系统之外,无需对发动机进行二次改装,使用方便,且通过温控仪的调控可以实现各预热模块变功率加热,增加整体的预热效率,有效提高该预热装置的稳定性和预热的均匀性,具有良好的预热性能。(The invention discloses a multi-module automatic temperature control oil pan preheating device, which comprises a preheater fixed on an engine oil pan, wherein the preheater comprises: the preheating module is connected with a temperature controller through a lead, each preheating module is provided with a temperature sensor, and the temperature sensors are in data connection with the temperature controller; this preheating device need not to carry out the secondary repacking to the engine outside being independent of each system of former engine, convenient to use, and can realize respectively preheating the module variable power heating through the regulation and control of temperature controller, increases holistic preheating efficiency, effectively improves this preheating device's stability and the homogeneity of preheating, has good preheating performance.)

1. The utility model provides a multimode automated temperature control oil pan preheating device, is including being fixed in preheater on the engine oil pan, its characterized in that, the preheater includes: the preheating module is connected with a temperature controller through a lead, each preheating module is provided with a temperature sensor, and the temperature sensors are in data connection with the temperature controller;

the temperature sensor is used for acquiring the temperature of the area in real time and feeding the temperature back to the temperature controller; the temperature controller is internally provided with temperature set values of the preheating modules and used for adjusting the power of the corresponding preheating modules according to the temperature set values and the received temperature.

2. The multi-module automated temperature control sump pre-heating device of claim 1, wherein when the temperature sensed by the temperature sensor is greater than 2/3 of the temperature set point, the power of the pre-heating module is reduced to 1/2 of the initial power.

3. The multi-module automatic temperature control oil pan preheating device according to claim 1, wherein the overall shape of the preheater is adapted to the shape of the oil pan, each preheating module comprises a heat conduction layer and a heat generation layer, and the temperature sensor is arranged on the contact surface of the heat conduction layer and the oil pan; and filling layers are arranged between the heat conduction layer and the heating layer and between the heating layer and the heat preservation layer.

4. The multi-module automated temperature control sump preheating device of claim 1, wherein the upper edge of the preheater is provided with a magnetically-accessible quick release for securing the preheater to the sump.

5. The multi-module automated temperature control sump preheating device of claim 1, further comprising: the power supply is connected with the temperature controller and the preheater respectively.

6. The multi-module automated temperature control sump preheating device of claim 5, wherein the power switch comprises a thermostat switch and a preheater switch.

7. The multi-module automatic temperature control sump preheating device of any one of claims 1 to 6, wherein the preheater is a flexible preheater made of silica gel.

Technical Field

The invention relates to the technical field of diesel engine cold start preheating, in particular to a multi-module automatic temperature control oil pan preheating device.

Background

The environmental temperature in winter in northern areas, high altitude areas, plateaus and the like is as low as about-40 ℃, the engine is difficult to start in the severe environment, and the reliability and the service life of the engine are irreversibly influenced in the starting process, so that the normal production life, engineering operation and national defense safety are influenced. Therefore, it is very important to develop a cold start auxiliary preheating device in the alpine environment to provide guarantee for normal cold start of the power machinery in the alpine region. Traditional cold start auxiliary preheating equipment need reequip original diesel engine, and can't realize the accurate accuse temperature to the medium that is heated, and the heating homogeneity is poor, and the holistic intelligent degree of equipment is relatively poor.

Disclosure of Invention

In order to explore the heating condition of each region of the oil pan in the heating process, the inventor carries out a heat-conducting layer auxiliary heating temperature rise experiment on the existing integrated heat-conducting layer, the experiment result is shown in fig. 1, and the experiment finds that the temperature rise speeds of different regions of the oil pan are different: the temperature of the bottom surface of the oil pan rises most quickly and obviously, and the preheating time required by lubricating oil in the direction far away from the preheating surface and with a smaller preheating area is longer, which is related to the power distribution condition of each heating surface of the preheater besides being influenced by the heating power of the preheater. Because oil pan preheating device all cities adopt the battery power supply, under the certain condition of battery power, in order to improve the homogeneity of rising temperature, the inventor provides a multimode automated control oil pan preheating device, adopts the mode of multimode heating, has realized the even preheating of lubricating oil, keeps warm continuously, preheats the excellent performance.

Concretely, a multimode automated temperature control oil pan preheating device, including being fixed in the pre-heater on the engine oil pan, the pre-heater includes: the preheating module is connected with a temperature controller through a lead, each preheating module is provided with a temperature sensor, and the temperature sensors are in data connection with the temperature controller;

the temperature sensor is used for acquiring the temperature of the area in real time and feeding the temperature back to the temperature controller; the temperature controller is internally provided with temperature set values of the preheating modules and used for adjusting the power of the corresponding preheating modules according to the temperature set values and the received temperature.

Further, when the temperature acquired by the temperature sensor is greater than 2/3 of the temperature set value, the power of the preheating module is reduced to 1/2 of the initial power.

Furthermore, the overall shape of the preheater is matched with that of the oil pan, each preheating module comprises a heat conduction layer and a heating layer, and the temperature sensor is arranged on the contact surface of the heat conduction layer and the oil pan; and filling layers are arranged between the heat conduction layer and the heating layer and between the heating layer and the heat preservation layer.

Further, the pre-heater upper portion edge is provided with magnetism and inhales formula quick detach, magnetism inhale formula quick detach be used for with the pre-heater is fixed on the oil pan.

Further, the preheating device further comprises: the power supply is connected with the temperature controller and the preheater respectively.

Further, the power switch comprises a temperature controller switch and a preheater switch.

Further, the preheater is a flexible preheater made of silica gel.

The working principle of the invention is as follows:

the preheating device is fixedly connected with an oil pan of an engine through a magnetic quick release, a temperature controller switch is switched on to supply power to the temperature controller, relevant parameters such as preheating temperature, control period and storage path are set, the preheating device switch is switched on after the setting is completed, each preheating module starts to work with respective initial power after being electrified, and the heat conducting layer transmits heat generated by the heating layer to the heated part, so that lubricating oil is heated in an auxiliary mode, and the requirements of efficient stability and automatic preheating in a cold start preheating process are met. The temperature change condition of the preheating contact surface is collected in real time through the temperature sensor in the preheating process, temperature information is fed back to the temperature controller, when the temperature controller receives 2/3 that the temperature of a certain area reaches a preset temperature value, the heating power of the preheating module of the area is reduced to 1/2 of initial power, the electric energy is saved, meanwhile, the heating rate of the area is reduced, and the purpose of uniform heating is achieved.

Compared with the prior art, the invention has the beneficial effects that:

(1) the multi-module automatic temperature control oil pan preheating device provided by the invention realizes uniform preheating of lubricating oil in the oil pan in a short time by changing the power of preheating modules in different heating areas, and can also effectively save the electric energy of a storage battery.

(2) The shape of the preheater is matched with that of the oil pan, so that the contact between the preheater and a heated part is ensured, the integral preheating efficiency is increased, the stability and the heating uniformity of the preheating device are effectively improved, the preheating effect is ensured, and the preheating performance is good.

(3) The device is independent of each system of the original engine, does not need to refit the engine for the second time, and is convenient to use.

Drawings

FIG. 1 is a graph of auxiliary heating temperature rise of a heat conducting layer of an integrated oil pan;

fig. 2 is a schematic structural diagram of a multi-module automatic temperature control oil pan preheating device in embodiment 1;

fig. 3 is a schematic structural diagram of the preheating module in embodiment 1.

Reference numerals:

1-a preheater; 11-a thermally conductive layer; 12-a heat generating layer; 13-a heat-insulating layer; 14-a filler layer; 15-a temperature sensor; 16-magnetic quick release; 2-a power supply; 31-preheater switch; 32-a temperature controller switch; 4-a contactor; 5-a temperature controller; 6-a wire; 7-contact surface.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

Example 1

As shown in fig. 1, the invention provides a multi-module automatic temperature control oil sump preheating device, which comprises a power supply 2, a power switch, a contactor 4, a temperature controller 5 and a flexible preheater 1 made of silica gel, wherein the power switch is divided into a preheater switch 31 and a temperature controller switch 32 which are respectively used for controlling the power-on or power-off of the preheater 1 and the temperature controller 5. The whole shape of pre-heater 1 and the shape looks adaptation of oil pan have guaranteed the contact of pre-heater 1 with the oil pan, have increased holistic efficiency of preheating, have effectively improved this preheating device's stability and heating homogeneity, guarantee to preheat the effect, be provided with on the pre-heater 1 and inhale formula quick detach 16, inhale formula quick detach 16 through magnetism and be fixed in on the engine oil pan with pre-heater 1 (inhale the bolted connection on formula quick detach 16 and the oil pan), the installation is simple swift, has avoided carrying out the secondary repacking to the engine. Specifically, the preheater includes: the heat preservation 11 and the plurality of modules of preheating of setting on the heat preservation 13 inner wall, the quantity of preheating the module is mainly decided by the overall dimension of oil pan, use medium and low power diesel engine as an example, the size of combining the area can be divided into different number modules such as 2 on same regular plane, 3, 4, 6, 9, the area of each module follows equal area principle under the conventional circumstances, can carry out special module to individual special shape oil pan according to its actual appearance condition and divide, can increase module quantity according to the size of oil pan for the diesel engine of bigger overall dimension, use bottom surface and all be complete planar oil pan as an example with the all around faces, because this oil pan does not have special surface structure, division principle of 9 module numbers has all been adopted to the bottom surface and all around faces of this oil pan. Every preheats the module and all includes heat-conducting layer 11, generate heat layer 12 and set up the temperature sensor 15 on heat-conducting layer 11 and oil pan contact surface, generate heat layer 12 and pass through wire 6 with temperature controller 5 and be connected, temperature sensor 15 is connected with temperature controller 5 through wired or wireless mode for gather the average temperature of preheating of each preheating module (should preheat the temperature of the module region of locating promptly) in real time, and will gather the temperature transmission for temperature controller 5. The filling layers 14 are arranged between the heat conduction layer 11 and the heating layer 12 and between the heating layer 12 and the heat insulation layer 13, the materials of the filling layers 14 and the heat insulation layer 13 meet the characteristics of high temperature resistance and good flame retardant property, and when the whole structure is effectively supported, the preheating part can be effectively insulated and flame retardant treated. Further, the initial power and the temperature set value of each preheating module are obtained by calibrating a related auxiliary heating test, and the specific process is as follows:

after the preheating modules are preset according to the structure of the oil pan, a preset amount of lubricating oil is added into the oil pan, 5-7 layers of temperature sensors are preset in the transverse direction and the longitudinal direction, and the appropriate initial power and temperature set values of the preheating modules under the layout condition are calibrated by observing the temperature condition of the lubricating oil of each liquid level (an area with fast temperature rise of the oil pan, a small initial power and a small temperature set value of the preheating module, an area with slow temperature rise of the oil pan, a large initial power and a large temperature set value of the preheating module).

Specifically, the working process of the invention is as follows:

the preheater 11 is fixedly connected with the oil pan of the engine through the magnetic type quick release 16, and the temperature controller switch 32 is switched on to supply power to the temperature controller 5. The preheater switch 31 is turned on, each preheating module is heated with its own initial power, and the temperature sensor 15 acquires the temperature of the area in real time and feeds back the temperature to the temperature controller 5. When the temperature of the area reaches 2/3 of the temperature set point, the power of the preheating module is reduced to 1/2 of the initial power until the temperature of the oil pan reaches the target temperature and then heating is finished.

When the preheating is started, all areas of the oil pan are at the same temperature, all preheating modules initially operate at full power, and because the area temperature setting value with a high heating speed is small, the area with a high heating speed can quickly reach 2/3 of the temperature setting value, at this moment, the current of the preheating modules in the area is limited, the power is only 1/2 of the initial power, and the area with a low heating speed is still heated at full power. When the current is limited in the area with fast temperature rise, the area with slow temperature rise has a large temperature set value, so that the area with slow temperature rise can be kept in a full-power heating state for a long time, the temperature rise efficiency of the area is improved to the maximum extent, and the temperature of the area with slow temperature rise is made to approach the area with fast temperature rise as fast as possible, so that the oil pan is uniformly heated.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.