CN212708925U - Pure [ electric ] motor coach heat abstractor that airs exhaust - Google Patents
Pure [ electric ] motor coach heat abstractor that airs exhaust Download PDFInfo
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- CN212708925U CN212708925U CN202021150865.3U CN202021150865U CN212708925U CN 212708925 U CN212708925 U CN 212708925U CN 202021150865 U CN202021150865 U CN 202021150865U CN 212708925 U CN212708925 U CN 212708925U
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Abstract
The utility model discloses an exhaust heat dissipation device for a pure electric bus, which comprises an air inlet cover, an air conduit, a heat dissipation fan, a first sensor, a processor, a second sensor, a heat dissipation grid mesh, a contactor and a power switch; the air inlet cover is arranged at the top end of the ventilation pipeline, the lower part of the ventilation pipeline is connected with the heat dissipation grid net, a heat dissipation fan is arranged on one side surface of the heat dissipation grid net, one side surface of the heat dissipation fan is connected with the contactor and the processor, the bottom end of the heat dissipation fan is connected with the power switch, and the processor is in communication connection with the contactor, the heat dissipation fan, the power switch, the first sensor and the second sensor; the temperature of the first sensor is compared with that of the second sensor, so that the temperature of the first sensor is compared with that of the set proper motor working temperature, and the cooling fan is operated reasonably and efficiently to perform mechanical cooling; the energy loss of the power battery can be saved through the cooperative heat dissipation of the power battery and the motor, and the motor can be rapidly cooled, so that the motor can work in a wide efficient area.
Description
Technical Field
The utility model belongs to the technical field of exhaust fan heat abstractor uses, concretely relates to electricelectric moves passenger train heat abstractor that airs exhaust.
Background
The pure electric bus adopts a motor as a power system, and utilizes a power battery to provide electric energy for the motor to drive the motor to rotate, so as to drive the automobile to run. In order to fully utilize the wide high-efficiency region characteristic of the motor and improve the driving efficiency, the heat dissipation of the driving motor is also very important.
At present, the temperature of a motor or a motor controller is mostly measured or received to judge whether the temperature is over-temperature or not for the air exhaust and heat dissipation of the electric motor coach, so that a heat dissipation fan is driven to operate, and the heat dissipation fan is cooled through a heat dissipation grid mesh so as to reach a proper temperature range. The heat dissipation structure does not fully utilize natural wind generated in the running process of the vehicle, so that electric power waste is caused, the driving efficiency is influenced, and further the integral power performance of the vehicle is influenced.
The utility model discloses a chinese utility model patent CN110450623A discloses a heat abstractor for passenger train, including passenger train body, engine compartment, baffle, heat dissipation window, heat abstractor, controller, temperature sensor and vehicle mounted power source, the utility model discloses a set up heat abstractor, when using, the compressor transmits the refrigerant liquid to the finned condenser through the circulating pipe, blows off the waste heat to the heat dissipation window through radiator fan, then dries through the drying filter, then gets into the finned evaporator, then blows to passenger train engine through air supply fan, directly cools down to the engine, improves the cooling effect; through setting up the controller, monitor the cavity at engine place through temperature sensor, when the temperature reachd the setting value, temperature sensor transmits signal to the controller, and automatic control can be realized to the operation of controller control heat abstractor, carries out controlgear's operation through the temperature.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a pure [ electric ] motor coach heat abstractor that airs exhaust.
The utility model discloses the technical problem who solves:
at present, the temperature of a motor or a motor controller is mostly measured or received to judge whether the temperature is over-temperature or not for the air exhaust and heat dissipation of the electric motor coach, so that a heat dissipation fan is driven to operate, and the heat dissipation fan is cooled through a heat dissipation grid mesh so as to reach a proper temperature range. The heat dissipation structure does not fully utilize natural wind generated in the running process of the vehicle, so that electric power waste is caused, the driving efficiency is influenced, and further the integral power performance of the vehicle is influenced.
The purpose of the utility model can be realized by the following technical scheme:
an exhaust heat dissipation device of a pure electric bus comprises an air inlet cover, a ventilating pipeline, a heat dissipation fan, a first sensor, a processor, a second sensor, a heat dissipation grid mesh, a contactor and a power switch;
the air inlet cover is installed on the top end of the ventilation pipeline, the lower portion of the ventilation pipeline is connected with the heat dissipation grid net, a heat dissipation fan is installed on one side surface of the heat dissipation grid net, one side surface of the heat dissipation fan is connected with the contactor and the processor, the bottom end of the heat dissipation fan is connected with the power switch, and the processor is in communication connection with the contactor, the heat dissipation fan, the power switch, the first sensor and the second sensor.
Further, the processor is used for calculating the temperature, outputting a PWM signal and regulating and controlling the rotating speed of the cooling fan.
Further, the on-off of the contactor is regulated and controlled by the processor.
Further, a first sensor measures the temperature of the motor and a second sensor measures the temperature of the water tank.
Further, the on-off of the contactor is regulated and controlled by the processor.
Further, a first sensor measures a temperature of the motor, a second sensor measures a temperature of the water tank, and the temperature measured by the first sensor is logically compared with the temperature measured by the second sensor in the processor.
Furthermore, the top end of the ventilation pipeline is fixed on the roof and is provided with the air inlet cover, the heat dissipation grid is formed by splicing a plurality of triangular frames, and the middle of each triangular frame forms an upper through hole, a lower through hole, a front through hole and a rear through hole, so that natural wind is introduced into the heat dissipation grid in the running process of the vehicle, the heat dissipation of the motor is accelerated, and the energy consumed when the heat dissipation fan runs is saved.
Further, the first sensor and the second sensor are connected with the processor through the CAN line for information transmission.
Further, the working process of the heat dissipation device is as follows: the processor receives and compares the temperatures measured by the first sensor and the second sensor, the larger value of the two is compared with the set temperature, if the temperature is met, the contactor is closed, the cooling fan is started, the temperature of the motor is reduced in an accelerated mode, and if the temperature is not met, the cooling fan is not started, and the existing state is kept continuously.
Has the advantages that: the utility model relates to a pure [ electric ] motor coach heat abstractor of airing exhaust introduces the natural wind that produces through air pipe in the vehicle normal course of going, and the heat that the motor produced is taken away to heat dissipation grid through three-dimensional meshing to through the temperature height of comparison first sensor and second sensor, and then with the suitable motor operating temperature of settlement, reasonable efficient operation radiator fan carries out mechanical cooling; can practice thrift power battery's energy loss through the two in coordination with the heat dissipation, the cooling that moreover can be quick makes the motor keep in wide high-efficient regional work, consequently, the utility model discloses a good social has, is fit for using widely, the utility model discloses an air pipe upper end is fixed in the roof and installs the suction hood lower extreme and be connected with the heat dissipation grid for introduce natural wind to the heat dissipation grid at the vehicle driving in-process, thereby the heat dissipation of accelerating motor.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an exhaust heat dissipation device of a pure electric bus of the present invention;
FIG. 2 is a schematic view of the heat-dissipating grid structure of FIG. 1;
fig. 3 is a schematic structural diagram of the intake hood in fig. 1.
In the figure: 1. an air intake hood; 2. a ventilation duct; 3. a heat radiation fan; 4. a first sensor; 5. a processor; 6. a second sensor; 7. a heat dissipation grid mesh; 8. a contactor; 9. and a power switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model relates to an exhaust heat dissipation device for pure electric bus, which comprises an air inlet cover 1, an air duct 2, a heat dissipation fan 3, a first sensor 4, a processor 5, a second sensor 6, a heat dissipation grid 7, a contactor 8 and a power switch 9;
the air inlet cover 1 is installed at the top end of the ventilation pipeline 2, the lower side of the ventilation pipeline 2 is connected with the heat dissipation grid 7, the heat dissipation grid 7 is formed by splicing a plurality of triangular frames, the surface of one side of the heat dissipation grid 7 is provided with the heat dissipation fan 3, the surface of one side of the heat dissipation fan 3 is connected with the contactor 8 and the processor 5, the bottom end of the heat dissipation fan 3 is connected with the power switch 9, and the processor 5 is in communication connection with the contactor 8, the heat dissipation fan 3, the power switch 9, the first sensor 4 and the second sensor 6;
the processor 5 is used for calculating the temperature and outputting a PWM signal so as to regulate and control the rotating speed of the cooling fan 3;
the on-off of the contactor 8 is regulated and controlled by the processor 5;
a first sensor 4 is used to measure the temperature of the motor and a second sensor is used to measure the temperature of the water tank and a logical comparison is made in the processor 5.
The ventilation pipeline 2 is connected with a heat dissipation grid 7, an air inlet of the ventilation pipeline 2 is connected with an air inlet cover 1, and the heat dissipation grid 7 is formed by splicing a plurality of triangular frames.
The utility model discloses a technical optimization scheme, air pipe 2 upper end is fixed in the roof and installs air inlet cover 1, and the lower extreme is connected with heat dissipation grid 7 for at the vehicle in-process and introduce natural wind to heat dissipation grid 7, thereby the heat dissipation of accelerating the motor, the energy that needs to consume when practicing thrift radiator fan 3 operation.
The utility model discloses a technical optimization scheme, the inside through-hole around forming about and in the middle of constituting and by the triangle-shaped frame of heat dissipation grid 7 does benefit to ventilation cooling.
The utility model discloses a technical optimization scheme, sensor 14, sensor 25 link to each other with treater 5 through the CAN line.
The utility model discloses a technical optimization scheme, treater 5 carries out the comparison through receiving sensor 14 and sensor 25 measuring temperature, gets the two great value and compares with the temperature of settlement, if satisfy closed contactor 8, starts radiator fan 3, reduces the temperature of motor with higher speed. If not, the heat radiation fan 3 is not started, the existing state is continuously kept, heat radiation and cooling are carried out by utilizing wind energy, energy loss is saved, and the vehicle driving mileage is increased.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. An exhaust heat dissipation device of a pure electric bus is characterized by comprising an air inlet cover (1), a ventilation pipeline (2), a heat dissipation fan (3), a first sensor (4), a processor (5), a second sensor (6), a heat dissipation grid mesh (7), a contactor (8) and a power switch (9);
air inlet cover (1) is installed on ventilation pipe (2) top, ventilation pipe (2) below is connected with heat dissipation grid net (7), heat dissipation grid net (7) one side surface mounting radiator fan (3), radiator fan (3) one side surface is connected with contactor (8) and treater (5), radiator fan (3) bottom is connected with switch (9), treater (5) and contactor (8), radiator fan (3), switch (9), first sensor (4) and second sensor (6) are communication connection.
2. A pure electric bus exhaust heat dissipation device as recited in claim 1, wherein the processor (5) is configured to calculate a temperature, output a PWM signal, and regulate a rotation speed of the cooling fan (3).
3. An exhaust heat dissipation device for a pure electric bus according to claim 1, wherein the on/off of the contactor (8) is controlled by the processor (5).
4. A pure electric bus air exhaust heat dissipation device as defined in claim 1, wherein the first sensor (4) measures the temperature of the motor, and the second sensor (6) measures the temperature of the water tank.
5. A pure electric bus air exhaust heat dissipation device as defined in claim 1, wherein the on-off of the contactor (8) is controlled by the processor (5).
6. An exhaust heat dissipation device for a pure electric bus according to claim 1, wherein the top end of the ventilation duct (2) is fixed to the roof and is provided with the air inlet cover (1), the heat dissipation grid mesh (7) is formed by splicing a plurality of triangular frames, and the middle of the triangular frames forms through holes in the upper, lower, front and rear directions.
7. A pure electric bus exhaust heat dissipation device according to claim 1, wherein the first sensor (4) and the second sensor (6) are connected with the processor (5) through CAN lines for information transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150865.3U CN212708925U (en) | 2020-06-19 | 2020-06-19 | Pure [ electric ] motor coach heat abstractor that airs exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150865.3U CN212708925U (en) | 2020-06-19 | 2020-06-19 | Pure [ electric ] motor coach heat abstractor that airs exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212708925U true CN212708925U (en) | 2021-03-16 |
Family
ID=74960762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150865.3U Active CN212708925U (en) | 2020-06-19 | 2020-06-19 | Pure [ electric ] motor coach heat abstractor that airs exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212708925U (en) |
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2020
- 2020-06-19 CN CN202021150865.3U patent/CN212708925U/en active Active
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