CN207947345U8 - A kind of gravity sensing formula heat dissipation housing for hydrogen fuel cell - Google Patents

Abstract

The utility model relates to hydrogen fuel cell technical field, especially a kind of gravity sensing formula heat dissipation housing for hydrogen fuel cell, including shroud body and the small-sized electric radiator fan being mounted on inside shroud body, shroud body includes above setting the cover and underlying the cover.A kind of gravity sensing formula heat dissipation housing for hydrogen fuel cell of the utility model is by installing fixed frame for installing the integral structure of small-sized electric radiator fan in the setting of the cover medial surface, utilize the fixed gravity sensing switch of the bayonet unit of installation fixed frame side and temperature detect switch (TDS), allow radiator to fully control opening and closing automatically automatically according to the change of installation site and switching turns to, radiating mode and effect are more various, simpler convenience is installed in handling, and usage mode is more flexible.

Description

Gravity induction type heat dissipation cover for hydrogen fuel cell

Technical field

[0001] The present invention relates to the technical field of hydrogen fuel cells, in particular to a gravity-sensing heat dissipation cover for hydrogen fuel cells.

Background technique

[0002] A hydrogen fuel cell is a battery that uses hydrogen, a chemical element, to store energy. The basic principle is the reverse reaction of electrolyzed water, which supplies hydrogen and oxygen to the anode and cathode respectively. After hydrogen diffuses out through the anode and reacts with the electrolyte, electrons are released to the cathode through an external load. According to the Energy Storage International Summit, the application of hydrogen fuel cells in developed countries is accelerating, as a true "zero-emission, clean energy," in developed countries. Japan will build 100 hydrogen refueling stations by 2015, and 13 of them have been completed by the European Union. The project to increase fuel cell buses was recently passed; Hyundai Motor & 35 fuel cell vehicle mass production models have been rolled off the assembly line in March 2012, and mass production is planned to begin in 2015. This shows that fuel cells have truly moved from the laboratory to the industry Compared with lithium batteries, it has the advantage of zero pollution. However, the current heat dissipation devices used in hydrogen fuel cells on the market have simple structure and fixed heat dissipation positions, resulting in a single heat dissipation effect and control method, and insufficient flexibility in use. Utility Model content

[0003] The technical problem to be solved by the present utility model is: in order to solve the above-mentioned problems in the background art, an improved gravity-sensing heat dissipation cover for hydrogen fuel cells is provided to solve the current market application in hydrogen fuel cells The heat dissipation device is simple in structure, and the heat dissipation position is fixed and limited, which leads to the problems of single heat dissipation effect and control mode, and insufficient flexibility in use.

[0004] The technical solution adopted by the present utility model to solve its technical problems is: a gravity-sensing heat dissipation cover for hydrogen fuel cells, including a cover body and a small electric cooling fan installed inside the cover body, so The casing body includes an upper cover and a lower cover. The center of the upper surface of the upper cover and the center of the lower surface of the lower cover are provided with circular heat dissipation through holes with a built-in filter. The inner top surface of the upper cover is located at the corresponding position and the periphery of the circular heat dissipation through hole has a plurality of downwardly protruding vertical upper connecting rods, and the inner bottom surface of the lower cover is located at the periphery of the corresponding position of the circular heat dissipation through hole There are a plurality of upwardly protruding vertical lower connecting rods. The lower ends of the vertical upper connecting rods and the upper ends of the vertical lower connecting rods both have an integral structure mounting and fixing frame for installing a small electric cooling fan, and the mounting and fixing The outer wall of the frame is provided with a buckle device with an integral structure protruding outwards. The buckle device has a gravity sensor switch for controlling the forward and reverse rotation of a small electric cooling fan and is fixed on the outer wall of the gravity sensor switch. A temperature control switch that controls the opening and closing of a small electric cooling fan.

[0005] Further, the gravity sensor switch includes a hollow structure PVC installation pipe, an overhead conductive head fixed at the top of the installation pipe and communicating with the inside of the installation pipe, and a bottom fixed at the bottom of the installation pipe and communicating with the inside of the installation pipe. The conductive head and the gravity conductive ball set inside the mounting pipe, the inner top surface of the top conductive head, the inner side surface of the top conductive head, the inner bottom surface of the bottom conductive head and the inner surface of the bottom conductive head are respectively fixed with each other Independent metal conductive sheet.

[0006] Further, the top and side surfaces of the top-mounted conductive head and the bottom and side surfaces of the bottom-mounted conductive head are provided with fixing holes, and the inside of the fixing holes are fixedly connected with metal connected to the metal conductive sheet at the corresponding position. Internally threaded connecting pipe, said metal internally threaded connecting pipe is internally threaded with fixing bolts for fixing the external power supply connection line inside.

[0007] Further, the top-mounted conductive head and the bottom-mounted conductive head are the same size.

[0008] The beneficial effect of the present invention is that a gravity-sensing heat dissipation cover for hydrogen fuel cells of the present invention is installed on the inner side of the cover with an integrated structure for installing a small electric cooling fan. Use the buckle device on the side of the mounting frame to fix the gravity sensor switch and the temperature control switch, so that the heat sink can automatically and fully control the opening and closing and switch steering according to the change of the installation position. The heat dissipation methods and effects are more diverse, and the installation and installation are simpler and more convenient. , The usage method is more flexible.

Description of the drawings

[0009] The utility model is further described below with reference to the drawings and embodiments.

[0010] FIG. 1 is a schematic diagram of the structure of the present utility model.

[0011] FIG. 2 is a schematic diagram of the connection structure of the gravity sensor switch of the present invention.

[0012] In the figure: 1 • small electric cooling fan, 2 • upper cover, 3 • lower cover, 4 • circular heat dissipation through holes, 5. vertical upper connecting rod, 6 • vertical lower connecting rod , 7 • Mounting fixed frame, 8 • buckle device, 9. Gravity sensor switch, 10. Temperature control switch, 11. Mounting tube, 12• Top conductive head, 13. Bottom conductive head, 14. Gravity conductive ball , 15. Metal conductive sheet, 16. Fixing hole, 17. Metal internal thread connecting pipe, 18. Fixing bolt.

Detailed ways

[0013] The utility model will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0014] A gravity-sensing heat dissipation cover for hydrogen fuel cells shown in FIGS. 1 and 2 includes a cover body and a small electric cooling fan 1 installed inside the cover body. The cover body includes an upper Cover 2 and lower cover 3, the center of the upper surface of the upper cover 2 and the center of the lower surface of the lower cover 3 are provided with a circular heat dissipation through hole 4 with a built-in filter, and the inner top of the upper cover 2 The circular heat dissipation through hole 4 has two vertical upper connecting rods 5 protruding downward, and the inner bottom surface of the lower cover 3 is at the corresponding position. The circular heat dissipation through hole 4 has two upward protruding peripherals. The lower end of the vertical lower connecting rod 6, the lower end of the vertical upper connecting rod 5 and the upper end of the vertical lower connecting rod 6 all have an integral structure mounting fixing frame 7 for installing a small electric cooling fan 1, and the outer wall of the mounting fixing frame 7 has outward The buckle device 8 has a convex integral structure. The buckle device 8 is composed of two arc-shaped PVC material circlips with mounting and disassembly gaps. The buckle device 8 is clamped and fixed inside the buckle device 8 to control the forward and reverse gravity of the small electric cooling fan 1 An induction switch 9 and a temperature control switch 10 fixed on the outer side wall of the gravity induction switch 9 for controlling the opening and closing of the small electric cooling fan 1. The start temperature of the temperature control switch 10 is 3°C.

[0015] Further, the gravity sensor switch 9 includes a hollow structure PVC installation pipe 11, an overhead conductive head 12 fixed at the top of the installation pipe 11 and communicating with the inside of the installation pipe 11, and fixed at the bottom of the installation pipe 11 and inside the installation pipe 11. The connected bottom conductive head 13 and the gravity conductive ball 14 arranged inside the mounting tube 11, the inner top surface of the top conductive head 12, the inner side surface of the top conductive head 12, the inner bottom surface of the bottom conductive head I3, and the bottom conductive head 13 are respectively fixed on the inner side of the metal conductive sheet 15 independent of each other. Further, the top and side surfaces of the top conductive head 12 and the bottom and side surfaces of the bottom conductive head 13 are provided with fixing holes 16, and the inside of the fixing holes 16 are fixedly connected with The metal internally threaded connecting tube 17 connected to the metal conductive sheet 15 at the corresponding position, and the internal threaded connection of the metal internally threaded connecting tube 17 is threaded with a fixing bolt 18 for fixing the external power connection line inside. Further, the overhead conductive head I2 and The bottom conductive head 13 has the same size. A gravity-sensing heat dissipation cover for hydrogen fuel cells of the present invention is equipped with an integrated structure for installing a small electric cooling fan 1 on the inner side of the cover. The buckle device 8 on the side of the fixing frame 7 fixes the gravity sensor switch 9 and the temperature control switch 10, so that the heat dissipation device can automatically and completely control the opening and closing and switch steering according to the change of the installation position. The heat dissipation method and effect are more diverse, and the installation and disassembly It is simpler and more convenient, and the usage method is more flexible.

[0016] Circuit structure: The side of the temperature control switch 10 is connected to the positive and negative electrodes of the hydrogen fuel battery through an external power connection line, and then the positive electrode of the hydrogen fuel battery is connected to the top conductive head 12 through the external power connection line at the upper end of the temperature control switch 10 The metal conductive sheet 15 on the side is electrically connected, and the metal conductive sheet 15 on the inner top surface of the overhead conductive head 12 is electrically connected to the power supply terminal of the small electric cooling fan 1 through the external power connection line on the top of the overhead conductive head 12, and the small electric heat dissipation The electric contact terminal of the fan 1 is electrically connected to the negative electrode of the hydrogen fuel cell through an external power supply, thereby forming a first series circuit; The sheet 15 is electrically connected. The metal conductive sheet 15 on the inner bottom surface of the bottom conductive head 13 is electrically connected to the power supply terminal of the small electric cooling fan 1 through the external power connection line at the bottom of the bottom conductive head 13, and the electric contact terminal of the small electric cooling fan 1 is connected through an external power supply. It is electrically connected with the positive electrode of the hydrogen fuel cell to form a second series circuit. The two series circuits are controlled on and off by the gravity conductive ball 14 inside the mounting tube 11, and the control method is completed by the gravity conductive ball 14 contacting the metal conductive sheet 15 on the corresponding side.

[0017] Taking the above-mentioned ideal embodiment according to the present utility model as inspiration, through the above-mentioned description content, relevant staff can make various changes and modifications within the scope of the technical idea of ​​this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims (4)

1. A gravity-sensing heat dissipation cover for hydrogen fuel cells, comprising a cover body and a small electric cooling fan (1) installed inside the cover body, characterized in that: the cover body includes an upper Cover ⑵ and lower cover (3), the center of the upper surface of the upper cover (2) and the center of the lower surface of the lower cover (3) are provided with circular heat dissipation through holes with built-in filters (4), the inner top surface of the upper cover (2) is located at the corresponding position, the circular heat dissipation through hole (4) has a plurality of vertical upper connecting rods (5) protruding downward, and the lower The inner bottom surface of the cover (3) is located at the corresponding position. The outer periphery of the circular heat dissipation through hole (4) has a plurality of upwardly protruding vertical lower connecting rods ¢), and the vertical upper connecting rod (5) is connected to the lower end of the vertical lower connecting rod. The upper ends of the rods (6) are provided with an integral structure mounting and fixing frame (7) for installing the small electric cooling fan (1), and the outer wall of the mounting and fixing frame (7) is provided with an outwardly protruding integral structure buckle device (8), the buckle device (8) is internally clamped and fixed with a gravity sensor switch (9) for controlling the forward and reverse rotation of the small electric cooling fan (1) and fixed on the outer wall of the gravity sensor switch (9). A temperature control switch (10) for controlling the opening and closing of a small electric cooling fan (1). 2. A gravity-sensing heat dissipation cover for hydrogen fuel cells according to claim 1, characterized in that: the gravity-sensing switch (9) comprises a hollow structure PVC material installation pipe (11), fixed in The top conductive head (12) connected to the inside of the mounting pipe (11) at the top of the mounting pipe (11), the bottom conductive head (13) fixed at the bottom of the mounting pipe (11) and connected to the inside of the mounting pipe (11), and A gravity conductive ball (14) arranged inside the mounting tube (11), the inner top surface of the top conductive head (12), the inner side surface of the top conductive head (12), the inner bottom surface of the bottom conductive head (13) and The inner sides of the bottom conductive heads (13) are respectively fixed with mutually independent metal conductive sheets (15). 3. A gravity-sensing heat dissipation cover for hydrogen fuel cells according to claim 2, characterized in that: the top and sides of the top conductive head (12) and the bottom of the bottom conductive head (13) A fixing hole (16) is opened on the side and the side surface, and the inside of the fixing hole (16) is fixedly connected with a metal internal thread connecting pipe (17) connected with the metal conductive sheet (15) at the corresponding position, and the metal inner A fixing bolt (18) used to fix the external power supply connection line inside the threaded connecting pipe (17) is threadedly connected. 4. A gravity-sensing heat dissipation cover for a hydrogen fuel cell according to claim 2, characterized in that: the top conductive head (12) and the bottom conductive head (13) have the same size.