CN105863808A - Vehicle power system cooling device with self-inspection function and use method of vehicle power system cooling device - Google Patents

Abstract

The invention discloses a vehicle power system temperature cooling device with a self-checking function, which includes an intelligent temperature regulating device, the intelligent temperature regulating device includes an ECU controller, a temperature sensing device, a self-checking device and an alarm device, and the ECU controller includes two parallel circuits Interface, wherein the first interface is connected with the temperature sensing device, the second interface is connected with the self-checking device, the temperature sensing device is fixed near the heat dissipation pipe of the engine and the heat dissipation pipe of the intercooler, the temperature sensing device includes a heat conduction shell, and the heat conduction shell is set There is a sealed cavity, filled with mercury, the upper part of the cavity is provided with a signal switch from bottom to top, and the self-checking device includes a water bath, a temperature sensor and a control panel. The invention has the advantages of adopting electronically controlled cooling, intelligently adjusting the fan speed, alarming when the temperature cannot be effectively lowered, and having a self-checking function.

Description

Vehicle power system temperature cooling device with self-checking function and using method thereof

technical field

The invention belongs to the technical field of engine cooling, and in particular relates to a vehicle power system temperature cooling device with a self-checking function and a using method thereof.

Background technique

The car radiator is the main part of the car cooling system. Its function is to dissipate heat. The coolant absorbs heat in the water chamber, flows to the radiator, dissipates the heat, and then returns to the water chamber to circulate continuously, so as to achieve heat dissipation. The effect of temperature regulation. In the prior art, for the heat dissipation of the engine of the car, especially the engine of the bus, the diesel engine is usually required to drive the cooling fan to rotate, which is noisy and pollutes the environment. At the same time, the heat dissipation process is not intelligent. Once the heat dissipation device is turned on, it will continue to work. , Even if there is no need to dissipate heat, the power cannot be automatically reduced, which is very wasteful.

However, when the automobile radiator is equipped with an intelligent device, the complexity of the entire equipment increases, and a certain part is damaged, especially when the temperature sensor fixedly installed on the heat dissipation pipe of the engine and the heat dissipation pipe of the intercooler is damaged. It is troublesome to disassemble, and if it is not disassembled and inspected, the type of damage cannot be judged, and it is difficult to repair.

Contents of the invention

The technical problem to be solved by the present invention is to provide a vehicle power system temperature cooling device with electronic control cooling, intelligent adjustment of fan speed, alarm when the temperature cannot be effectively cooled, and self-checking function for the above-mentioned deficiencies in the prior art. Instructions.

For realizing above-mentioned technical purpose, the technical scheme that the present invention takes is:

The vehicle power system temperature cooling device with self-checking function includes a heat dissipation housing, wherein: the upper part of the heat dissipation housing is provided with a cold water inlet chamber, the lower part is provided with a hot water outlet chamber, and the heat dissipation housing is provided with an engine cooling pipe and an intercooler. The heat dissipation pipe of the radiator, the heat dissipation pipe of the engine and the heat dissipation pipe of the intercooler rotate and hover in the heat dissipation shell, and the two ends of the heat dissipation pipe of the engine and the heat dissipation pipe of the intercooler are respectively connected to the cold water inlet chamber and the hot water outlet chamber, and the air outlet of the heat dissipation casing The mask has a windshield, and multiple fans are installed on the windshield, and each fan is connected with its own motor. The vehicle power system temperature cooling device also includes an intelligent temperature adjustment device. The intelligent temperature adjustment device includes an ECU controller, a temperature sensing device, Self-inspection device and alarm device, the ECU controller includes two parallel interfaces, the first interface is connected to the temperature sensing device, the second interface is connected to the self-inspection device, and the temperature sensing device is fixed on the engine cooling pipe and intercooler Near the heat pipe, the temperature sensing device includes a heat conduction shell, and a sealed cavity is arranged in the heat conduction shell, and the cavity is filled with mercury. The upper part of the cavity is provided with a first signal switch, a second signal switch, and a third signal switch from bottom to top. and the alarm switch, when the mercury overflows the corresponding switch, each switch will be turned on accordingly, the first signal switch, the second signal switch, the third signal switch and the alarm switch are all connected to the ECU controller through the first interface of the ECU controller. The ECU controller is connected to the motor and controls the speed of the motor. The ECU controller is also connected to the alarm device. The self-checking device includes a water bath, a temperature sensor and a control panel. The water bath includes a pot body and a water temperature regulator. The water temperature regulator can To adjust the water temperature in the water bath, the sensor plug of the temperature sensor is inserted below the water surface in the pot body, the temperature sensor is connected to the ECU controller, and the connection line between the temperature sensor and the ECU controller is provided with a connector. Including the female connector connected with the temperature sensor and the male connector connected with the ECU controller, the male connector is inserted into the female connector to realize the connection between the temperature sensor and the ECU controller, the control panel is connected with the ECU controller, and the control panel is equipped with a control Switch and display, the control switch can control the on-off of the motor circuit, and the display is used to display the rotation status of the fan.

In order to optimize the above technical solutions, the specific measures taken also include:

The upper side of the heat dissipation housing is attached with an upper buffer layer, and the lower side of the heat dissipation housing is provided with a lower buffer layer. The lower buffer layer includes an upper fixing piece and a lower fixing piece. As for the buffer block, the two sides of the main body of the radiator are provided with a buffer pad assembly, and the buffer pad assembly includes a corner plate and a side buffer pad fixed on the corner plate.

The air inlet surface of the above heat dissipation housing is provided with a buffer frame. The buffer frame is composed of a horizontal frame body, a vertical frame body and a bottom frame. There are fixing grooves on the bottom of both sides of the horizontal frame body, and the upper end of the vertical frame body is inserted into the In the fixed groove, and can slide horizontally in the fixed groove, the bottom of the fixed groove is provided with a cushion layer, and the two ends of the horizontal frame are provided with heads, which block the fixed groove to prevent the vertical frame from moving from the fixed groove. Middle slip, there is a stay cable between the horizontal frame body and the bottom frame, one end of the stay cable is fixedly connected with one end of the horizontal frame body, and the other end is fixedly connected with the bottom frame. The outside of the grid is provided with a protective rod to prevent the cooling grid from falling off, and the two ends of the protective rod are respectively fixed on two vertical frames.

The above-mentioned protective rod includes two layers, an inner layer and an inner layer, wherein the inner layer is a metal rib, and the outer layer is a wear-resistant layer, and the metal rib and the wear-resistant layer are slidably arranged.

The above-mentioned wear-resistant layer is a rubber layer with a smooth inner surface.

The above-mentioned heat dissipation housing is provided with a first partition and a second partition arranged vertically, and the first partition and the second partition divide the inner cavity of the heat dissipation housing into three independent spaces arranged horizontally, wherein the middle The cooler is located in the independent space on the left, the engine radiator is located in the independent space on the right, the middle independent space separates the gap between the intercooler and the engine radiator, and there are multiple cooling fins running through the first partition and the second partition The two ends of the heat dissipation fins are respectively located in independent spaces on both sides of the first partition or the second partition, the heat dissipation fins are horizontally stacked, and gaps are provided between adjacent heat dissipation fins.

The above-mentioned male joint is provided with a ring of rubber ring, and when the male joint is inserted into the female joint, the rubber ring increases the friction between the male joint and the female joint.

The above-mentioned heat dissipation grid is a metal mesh.

The above-mentioned sealing head is made of rubber material.

The self-inspection of the vehicle power system temperature cooling device includes the following steps:

Step 1. Connect the temperature sensor and the control panel to the second interface of the ECU controller, separate the female connector and the male connector of the connector, and disconnect the temperature sensing device from the first interface of the ECU controller;

Step 2. Insert the induction plug of the temperature sensor below the water surface in the pot, then adjust the water temperature regulator to heat the water in the pot to the predetermined temperature, and connect the female connector and the male connector of the connector to make the temperature sensing The device is connected with the ECU controller, and the ECU controller receives the temperature signal from the temperature sensor;

Step 3. Turn on the control switch on the control panel to make the motor energized and rotate. The ECU controller adjusts the motor to operate at a certain output power according to the temperature signal sent by the temperature sensor;

Step 4. Adjust the water temperature regulator to further heat the water in the pot. The water temperature in the pot is displayed on the water bath. Observe whether the ECU controller can increase the output power of the motor according to the rise of the water temperature. If the ECU controller can increase If the output power of the motor is adjusted, and the timing of increasing the power is the same as the preset timing, then the self-test is passed; otherwise, the self-test is not passed.

ECU (Electronic Control Unit) refers to the electronic control unit, also known as "driving computer", "vehicle computer" and so on.

The vehicle power system temperature cooling device with self-checking function of the present invention adopts an electronic controller to control the motor, and then the motor drives the fan to operate, which solves the problem that the diesel engine drives the cooling fan to rotate, the noise is large, and the environment is polluted. Temperature device, with three-speed variable speed and alarm function, when the mercury is connected to the first signal switch, the signal will be transmitted to the ECU controller, and the ECU controller will control the motor to operate at a low speed; when the mercury is connected to the second signal switch, the signal will be transmitted to the ECU controller. The signal is transmitted to the ECU controller, and the ECU controller controls the motor to operate at a medium speed. When mercury is connected to the third signal switch, the signal is transmitted to the ECU controller, and the ECU controller controls the motor to operate at a high speed. When the temperature continues to rise, Mercury turns on the alarm switch, and the ECU controller activates the alarm device to alarm, thereby realizing the function of intelligently adjusting the fan speed and alarming when the temperature cannot be effectively cooled. The invention has a self-checking device, which can detect whether the failure of the device is caused by the damage of the temperature sensing device without dismantling the temperature sensing device. A first partition and a second partition are arranged in the radiator, and the first partition and the second partition divide the inner cavity of the radiator into three independent spaces arranged horizontally, which are respectively the left space, the middle space and the right side space. The intercooler is located in the space on the left, and the engine radiator is located in the space on the right. A middle space is isolated between the intercooler and the engine radiator, so that the intercooler and the engine radiator are arranged separately. Further, the present invention makes full use of both The space between is filled with cooling fins, and then cooperates with the fan to dissipate heat, effectively improving the cooling efficiency of the radiator. The present invention further adds a plurality of buffer devices. The upper side of the radiator main body is attached with an upper buffer layer, and the lower side of the radiator inner shell is provided with a lower buffer layer. A buffer block is fixed, and a buffer pad assembly is arranged on both sides of the radiator main body, and the buffer pad assembly includes a corner plate and a side buffer pad fixed on the corner plate. Through the combination of the upper buffer layer, the lower buffer layer and the buffer pad, a comprehensive buffer around the cooling device is realized, which effectively absorbs vehicle vibrations and prevents the cooling device of the engine component from being damaged or the connecting bolts and screws from being shaken loose. The groove bottom of the fixed groove of the present invention is provided with a cushion layer, which can absorb vertical vibrations, and the upper end of the vertical frame body is inserted into the fixed groove, which can give the heat sink of the engine assembly a certain space for lateral displacement. When the vehicle shakes left and right , can effectively absorb the lateral force, the two ends of the horizontal frame body are provided with a head, and the head is made of flexible rubber, which can also assist in absorbing the lateral force and achieve the purpose of protecting the cooling device of the engine assembly. The invention also further designs an oblique Tie rods and protective rods protect the heat dissipation device of the engine components from falling off due to front and rear shaking. The double-layer design of the protective rods reduces the friction between the protective rods and the cooling grids, increasing the service life of the protective rods and the cooling grids .

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the air inlet surface of the heat dissipation housing;

Fig. 3 is the left view of Fig. 2;

4 is a schematic diagram of a temperature sensing device;

Fig. 5 is an enlarged view of part A of Fig. 2;

Figure 6 is a schematic diagram of the guard bar;

Figure 7 is a schematic diagram of a water bath.

The reference signs therein are: cooling shell 1, cold water inlet chamber 11, hot water outlet chamber 12, first partition 13, second partition 14, heat dissipation fins 15, upper buffer layer 16, lower buffer layer 17 , buffer block 17a, buffer pad combination 18, corner plate 18a, side buffer pad 18b, wind cover 2, fan 21, motor 22, ECU controller 3, temperature sensing device 4, heat conduction shell 41, cavity 42, mercury 43, First signal switch 44, second signal switch 45, third signal switch 46, alarm switch 47, alarm device 48, self-test device 5, water bath pot 51, pot body 51a, water temperature regulator 51b, temperature sensor 52, control Panel 53, connector 6, female joint 61, male joint 62, buffer frame 7, horizontal frame body 71, fixing groove 71a, cushion layer 71b, vertical frame body 72, head 73, stay cable 74, heat dissipation Grid 75, protective rod 76, metal rib 76a, wear-resistant layer 76b.

detailed description

The specific embodiment of the present invention is further described below in conjunction with accompanying drawing:

The vehicle power system temperature cooling device with self-checking function of the present invention includes a heat dissipation housing 1, wherein: the upper part of the heat dissipation housing 1 is provided with a cold water inlet chamber 11, the lower part is provided with a hot water outlet chamber 12, and the heat dissipation housing 1 The engine heat dissipation pipe and the intercooler heat dissipation pipe are arranged inside, and the engine heat dissipation pipe and the intercooler heat dissipation pipe rotate and hover in the heat dissipation housing 1, and the two ends of the engine heat dissipation pipe and the intercooler heat dissipation pipe are respectively connected to the cold water inlet chamber 11 and the The hot water outlet cavity 12, the air outlet mask of the heat dissipation housing 1 has a windshield 2, and a plurality of fans 21 are installed on the windshield 2, and each fan 21 is connected with a respective motor 22, and the vehicle power system temperature cooling device also includes The intelligent temperature adjustment device includes an ECU controller 3, a temperature sensing device 4, a self-inspection device 5 and an alarm device 48. The alarm device 48 can be a common alarm, and the ECU controller 3 includes two parallel interfaces. Wherein the first road interface is connected with the temperature sensing device 4, the second road interface is connected with the self-checking device 5, and the temperature sensing device 4 is fixed near the heat pipe of the engine and the intercooler heat pipe. The casing 41 is provided with a sealed cavity 42, which is filled with mercury 43, and the upper part of the cavity 42 is provided with a first signal switch 44, a second signal switch 45, a third signal switch 46 and an alarm switch 47 from bottom to top. , when the mercury 43 overflows the corresponding switch, each switch will be turned on accordingly, and the first signal switch 44, the second signal switch 45, the third signal switch 46 and the alarm switch 47 are all communicated with the first interface of the ECU controller 3 The ECU controller 3 is connected, the ECU controller 3 is connected with the motor 22 and controls the rotating speed of the motor 22, the ECU controller 3 is also connected with the alarm device 48, and the self-checking device 5 includes a water bath 51, a temperature sensor 52 and a control panel 53, and the water bath The pot 51 includes a pot body 51a and a water temperature regulator 51b. The water temperature regulator 51b can regulate the water temperature in the water bath pot 51. The induction plug of the temperature sensor 52 is inserted below the water surface in the pot body 51a. The temperature sensor 52 and the ECU controller 3 connection, the connection line between the temperature sensor 52 and the ECU controller 3 is provided with a connector 6, the connector 6 includes a female connector 61 connected to the temperature sensor 52 and a male connector 62 connected to the ECU controller 3, The male joint 62 is inserted into the female joint 61 to realize the connection between the temperature sensor 52 and the ECU controller 3, and the control panel 53 is connected to the ECU controller 3. The control panel 53 is provided with a control switch and a display, and the control switch can control the motor 22 circuit. On and off, the display is used to display the fan rotation status.

In the embodiment, an upper buffer layer 16 is attached to the upper side of the heat dissipation housing 1, and a lower buffer layer 17 is provided on the lower side of the heat dissipation housing 1. The lower buffer layer 17 includes an upper fixing piece and a lower fixing piece, the upper fixing piece and the lower fixing piece. A buffer block 17a is fixed between the lower fixing pieces, and a buffer pad assembly 18 is provided on both sides of the radiator main body 1, and the buffer pad assembly 18 includes a corner plate 18a and a side buffer pad 18b fixed on the corner plate 18a.

In the embodiment, the air inlet surface of the heat dissipation housing 1 is provided with a buffer frame 7, and the buffer frame 7 is composed of a horizontal frame body 71, a vertical frame body 72 and a bottom frame. Groove 71a, the upper end of the vertical frame body 72 is inserted in the fixed groove 71a, and can slide horizontally in the fixed groove 71a, the groove bottom of the fixed groove 71a is provided with a cushion layer 71b, and the two ends of the horizontal frame body 71 are provided with caps 73 , the head 73 blocks the fixing groove 71a to prevent the vertical frame body 72 from slipping out of the fixing groove 71a, and a stay cable 74 is arranged between the horizontal frame body 71 and the bottom frame, and one end of the stay cable 74 is connected to the horizontal frame body 71. One end is fixedly connected, and the other end is fixedly connected with the bottom frame. A cooling grid 75 is arranged inside the frame of the buffer frame 7, and a guard bar 76 is arranged outside the cooling grid 75 to prevent the cooling grid 75 from falling off. The two ends of the guard bar 76 are respectively It is fixed on two vertical frame bodies 72.

In the embodiment, the guard bar 76 includes two layers, an inner layer and an inner layer, wherein the inner layer is a metal rib 76a, and the outer layer is a wear-resistant layer 76b, and the metal rib 76a and the wear-resistant layer 76b are slidably arranged.

In an embodiment, the wear-resistant layer 76b is a rubber layer with a smooth inner surface.

In the embodiment, a vertically arranged first partition 13 and a second partition 14 are arranged inside the heat dissipation housing 1, and the first partition 13 and the second partition 14 divide the inner cavity of the heat dissipation housing 1 into horizontally arranged The intercooler is located in the independent space on the left, the engine radiator is located in the independent space on the right, the middle independent space isolates the gap between the intercooler and the engine radiator, the first partition 13 and the second A plurality of heat dissipation fins 15 run through the second partition 14, and the two ends of the heat dissipation fins 15 are respectively located in independent spaces on both sides of the first partition 13 or the second partition 14, and the heat dissipation fins 15 are horizontally stacked. There are gaps between adjacent cooling fins 15 .

In the embodiment, a rubber ring is provided on the male joint 62 . When the male joint 62 is inserted into the female joint 61 , the rubber ring increases the frictional force between the male joint 62 and the female joint 61 .

In an embodiment, the heat dissipation grid 75 is a metal mesh.

In the embodiment, the sealing head 73 is made of rubber material.

The self-inspection of the vehicle power system temperature cooling device includes the following steps:

Step 1. Connect the temperature sensor 52 and the control panel 53 to the second interface of the ECU controller 3, separate the female joint 61 and the male joint 62 of the connector 6, and the temperature sensing device 4 is connected to the first interface of the ECU controller 3. disconnected at the intersection;

Step 2, the induction plug of the temperature sensor 52 is inserted below the water surface in the pot body 51a, and then the water temperature regulator 51b is adjusted to heat the water in the pot body 51a to a predetermined temperature, and the female joint 61 of the connector 6 Docking with the male connector 62, so that the temperature sensor 52 communicates with the ECU controller 3, and the ECU controller 3 receives the temperature signal from the temperature sensor 52;

Step 3, turn on the control switch on the control panel 53, so that the motor 22 is energized and rotated, and the ECU controller 3 adjusts the motor 22 to operate under a certain output power according to the temperature signal sent by the temperature sensor 52;

Step 4, adjust the water temperature regulator 51b to further heat the water in the pot body 51a, the water temperature in the pot body 51a is displayed on the water bath pot 51, and observe whether the ECU controller 3 can adjust the output of the motor 22 according to the rise of the water temperature Power, if the ECU controller 3 can increase and adjust the output power of the motor 22, and the timing of increasing the power is the same as the preset timing, then the self-test is passed; otherwise, the self-test is not passed. The way for the ECU controller 3 to adjust the power of the motor 22 is to adjust the number of turns at the output end of the motor 22. When the number of turns at the output end is reduced, the power of the motor 22 is reduced. When the number of turns at the output end is increased, the power of the motor 22 is increased.

If the temperature cooling device of the vehicle power system breaks down and it is impossible to know whether it is caused by the damage of the temperature sensing device 4, the self-checking structure can be used for self-checking. If the self-checking passes, the temperature sensing device 4 is damaged. If the self-checking fails If it passes, there is a high probability that the ECU controller 3 is damaged.

The above are only preferred implementations of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims (10)

1. there is the automotive power temperature cooling device of self-checking function, including radiating shell (1), it is characterized in that: described The top of radiating shell (1) is provided with cold water intake antrum (11), and bottom is provided with hot water effluent chamber (12), described radiating shell (1) Inside being provided with engine radiating pipe and intercooler radiating tube, described engine radiating pipe and intercooler radiating tube rotary disk are spun on In radiating shell (1) and engine radiating pipe and intercooler radiating tube two ends connect cold water intake antrum (11) and hot water effluent respectively Chamber (12), the outlet air surface of described radiating shell (1) is covered with fan housing (2), and fan housing (2) is provided with multiple fan (21), each Fan (21) is all connected with respective motor (22), and automotive power temperature cooling device also includes Intelligent temperature adjustment device, Described Intelligent temperature adjustment device includes ECU controller (3), temperature sensing device (4), self-checking unit (5) and warning device (48), described ECU controller (3) includes the interface that two-way is in parallel, and wherein first via interface is with temperature sensing device (4) even Connecing, the second road interface is connected with self-checking unit (5), described temperature sensing device (4) be fixed on engine radiating pipe and in cold Near device radiating tube, described temperature sensing device (4) includes thermal conductive shell (41), is provided with in described thermal conductive shell (41) The cavity (42) sealed, fills mercury (43) in described cavity (42), the top of described cavity (42) is provided with from the bottom to top First signaling switch (44), secondary signal switch (45), the 3rd signaling switch (46) and alarm switch (47), when mercury (43) covers During respective switch, each switch can turn on accordingly, and described the first signaling switch (44), secondary signal switch (45), the 3rd signal Switch (46) and alarm switch (47) are all connected with ECU controller (3) by the first via interface of ECU controller (3), described ECU controller (3) connects motor (22) and controls the rotating speed of motor (22), and described ECU controller (3) also fills with reporting to the police Putting (48) to connect, described self-checking unit (5) includes water-bath (51), temperature inductor (52) and control panel (53), institute The water-bath (51) stated includes that pot (51a) and thermostat (51b), described thermostat (51b) can regulate water-bath Water temperature in pot (51), the sensing plug of described temperature inductor (52) is inserted in below the water surface in pot (51a), described Temperature inductor (52) is connected with ECU controller (3), described temperature inductor (52) and the connection line of ECU controller (3) On be provided with plug connector (6), described plug connector (6) include the female joint (61) that is connected with temperature inductor (52) and with The male joint (62) that ECU controller (3) connects, described male joint (62) is inserted in female joint (61) and is realized temperature inductor (52) with the connection of ECU controller (3), described control panel (53) is connected with ECU controller (3), described control panel (53) being provided with control switch and display on, described control switch can control the break-make of motor (22) circuit, described Display is used for showing fan rotary state.

The automotive power temperature cooling device with self-checking function the most according to claim 1, is characterized in that: described The upper side of radiating shell (1) be pasted with cushion (16), the downside of described radiating shell (1) is provided with lower buffering Layer (17), described bottom breaker (17) includes stator and lower stator, is fixed with between upper stator and lower stator Buffer stopper (17a), the both sides of described radiator body (1) are provided with cushion pad combination (18), described cushion pad combination (18) gusset (18a) and the side cushion pad (18b) being fixed on gusset (18a) are included.

The automotive power temperature cooling device with self-checking function the most according to claim 2, is characterized in that: described The air intake surface of described radiating shell (1) be provided with cushioning frame (7), described cushioning frame (7) by horizontal support body (71), Vertical support body (72) and underframe combine, and two side bottoms of described horizontal support body (71) have fixing groove (71a), described Vertical support body (72) upper end is inserted in fixing groove (71a), and can slide laterally in fixing groove (71a), described fixing groove (71a) bottom land is provided with cushion (71b), and the two ends of described horizontal support body (71) are provided with end socket (73), described Fixing groove (71a) closure is prevented vertical support body (72) from slipping from fixing groove (71a) by end socket (73), described horizontal support body (71) and being provided with suspension cable (74) between underframe, described suspension cable (74) one end is fixing with one end of horizontal support body (71) to be connected Connecing, the other end is fixing with underframe to be connected, and is provided with heat radiation grid (75), described heat radiation in the frame of described cushioning frame (7) The outside of grid (75) is provided with the guard bar (76) preventing heat radiation grid (75) from coming off, and described guard bar (76) two ends are fixed respectively On two vertical support bodys (72).

The automotive power temperature cooling device with self-checking function the most according to claim 3, is characterized in that: described Guard bar (76) include inside and outside two-layer, wherein internal layer is metal rib (76a), and outer layer is wearing layer (76b), described metal ribs Slide between bar (76a) and wearing layer (76b) and arrange.

The automotive power temperature cooling device with self-checking function the most according to claim 4, is characterized in that: described Wearing layer (76b) be the rubber layer that medial surface is smooth.

The automotive power temperature cooling device with self-checking function the most according to claim 5, is characterized in that: described Radiating shell (1) in be provided with the first dividing plate (13) and second partition (14) being vertically arranged, described the first dividing plate (13) With second partition (14), the inner chamber of radiating shell (1) being divided into transversely arranged three separate space, wherein, charge air cooler is positioned at The separate space in left side, engine radiator is positioned at the separate space on right side, and middle separate space is by charge air cooler and engine Radiator gap isolates, and the first dividing plate (13) and second partition (14) runs through and has multiple radiating fin (15), described heat radiation Fin (15) two ends lay respectively in the separate space of the first dividing plate (13) or second partition (14) both sides, described radiating fin (15) laterally folding between and set, adjacent heat radiation fin is provided with gap between (15).

The automotive power temperature cooling device with self-checking function the most according to claim 6, is characterized in that: described Male joint (62) on be provided with a circle rubber ring, when female joint (61) are inserted in described male joint (62), described rubber ring Increase the frictional force between male joint (62) and female joint (61).

The automotive power temperature cooling device with self-checking function the most according to claim 7, is characterized in that: described Heat radiation grid (75) be wire netting.

The automotive power temperature cooling device with self-checking function the most according to claim 8, is characterized in that: described End socket (73) be quality of rubber materials make.

10. there is a using method for the automotive power temperature cooling device of self-checking function as claimed in claim 1, It is characterized in that: comprise the following steps during automotive power temperature cooling device self-inspection:

Step one, temperature inductor (52) and control panel (53) are connected with the second road interface of ECU controller (3), insert Separately, temperature sensing device (4) is from the first crossing of ECU controller (3) for the female joint (61) of fitting (6) and male joint (62) Disconnect；

Step 2, the sensing plug of temperature inductor (52) are inserted in below the water surface in pot (51a), then regulate lower water temperature Device (51b), heats the water in pot (51a), is heated to predetermined temperature, the female joint (61) of plug connector (6) and public access Head (62) docking, makes temperature inductor (52) connect with ECU controller (3), and temperature inductor (52) received by ECU controller (3) The temperature signal transmitted；

Step 3, the control opened on control panel (53) switch, make motor (22) energising rotate, ECU controller (3) basis Temperature signal regulation motor (22) that temperature inductor (52) transmits operates under a certain power output；

Step 4, regulation thermostat (51b), heat further to the water in pot (51a), in pot (51a) Can water temperature shows on water-bath (51), observe ECU controller (3) and improve regulation motor (22) according to the rising of water temperature Power output, if ECU controller (3) can improve regulation motor (22) power output, and carry high-power opportunity with Identical with default opportunity, then self-inspection is passed through, and otherwise, self-inspection is not passed through.