1. A device for preventing over pressure of a cooling system of a fuel cell system which includes a coolant pump for circulating a coolant to a fuel cell stack, a radiator for radiating heat absorbed in the coolant, and a temperature sensor for detecting a temperature of the coolant discharged from the fuel cell stack, comprising:
an electronic valve mounted in a pillar neck of the radiator connected with a reservoir for supplementing a coolant to open and close the pillar neck; and
a fuel cell controller configured to control an operation of the electronic valve based on a signal of the temperature sensor.
2. The device of claim 1, wherein the electronic valve comprises:
a valve fixing part fixedly mounted to an upper end of the pillar neck of the radiator;
an electronic actuator attached to a lower end of the valve fixing part and operating according to a signal of the fuel cell controller; and
a valve operating part attached to a lower end of the electronic actuator and moving up and down according to an operation of the electronic actuator to open and close the pillar neck.
3. The device of claim 2, wherein the electronic valve further comprises a positive pressure spring installed between the valve fixing part and the valve operating part to be contractible and recoverable.
4. The device of claim 1, wherein when an increase speed of a temperature of the coolant is equal to or greater than a predetermined value, the fuel cell controller operates the electronic valve and opens the pillar neck of the radiator.
5. The device of claim 1, wherein when a temperature of the coolant increases continuously for a predetermined time to be equal to or greater than a predetermined value, the fuel cell controller operates the electronic valve and opens the pillar neck of the radiator.
6. A cooling system of a fuel cell system, comprising:
a coolant pump configured to circulate a coolant to a fuel cell stack;
a radiator configured to radiate heat absorbed in the coolant;
a temperature sensor configured to detect a temperature of the coolant discharged from the fuel cell stack; and
a device configured to prevent over pressure of the cooling system,
wherein the device includes an electronic valve mounted in a pillar neck of the radiator connected with a reservoir to supplement a coolant to open and close the pillar neck; and a fuel cell controller configured to operate the electronic valve based on a signal of the temperature sensor.
7. The cooling system of claim 6, wherein the electronic valve comprises:
a valve fixing part fixedly mounted to an upper end of the pillar neck of the radiator;
an electronic actuator attached to a lower end of the valve fixing part and configured to operate based on a signal of the fuel cell controller; and
a valve operating part attached to a lower end of the electronic actuator and configured to move up and down according to an operation of the electronic actuator to open and close the pillar neck.
8. The cooling system claim 7, wherein the electronic valve further comprises a positive pressure spring installed between the valve fixing part and the valve operating part to be contractible and recoverable.
9. The cooling system of claim 6, wherein when an increase speed of a temperature of the coolant is equal to or greater than a predetermined value, the fuel cell controller is configured to operate the electronic valve and open the pillar neck of the radiator.
10. The cooling system of claim 6, wherein when a temperature of the coolant increases continuously for a predetermined time to be equal to or greater than a predetermined value, the fuel cell controller is configured to operate the electronic valve and open the pillar neck of the radiator.
11. A fuel cell system comprising the device of claim 1.
12. A fuel cell system comprising the cooling system of claim 6.
13. A vehicle comprising a fuel cell system of claim 11.
14. A vehicle comprising a fuel cell system of claim 12.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A camera apparatus attached to a portable electronic device, comprising:
a camera module;
a holder including a socket having fixing ends extended from edges of the holder, each of the fixing ends having holes and a resisting member secured in the socket; and
a PCB including a contact portion; wherein when the contact portion and the camera module are received in the socket, the resisting member pushes the contact portion toward the camera module;
wherein the resisting member includes a main portion and opposite resisting portions extending from two sides of the main portion, each resisting portion includes a plurality of spaced resisting plates, the main portion is secured in socket and the resisting plates pushes the contact portion; and
a fixing member, wherein the fixing member is an adhesive sheet sandwiched between the contact portion and the main portion of the resisting member.
2. The camera apparatus as claimed in claim 1, wherein the contact portion of the PCB and the socket define at least one positioning hole.
3. The camera apparatus as claimed in claim 1, wherein the socket includes a bottom wall, and side walls extending from the bottom wall, thereby defining a socket space, the main portion of the PCB is secured in the bottom wall, the contact portion and the camera module received in the socket space.
4. The camera apparatus as claimed in claim 3, wherein each of the opposite side walls includes a latching member extending up from the bottom wall.
5. A portable electronic device, comprising:
a camera apparatus, comprising:
a camera module;
a holder including a socket having fixing ends extended from edges of the holder, each of the fixing ends having holes and a resisting member secured in the socket; and
a PCB including a contact portion; and
a housing; wherein when the contact portion and the camera module are received in the socket and attached to the housing by the socket, the resisting member pushes the contact portion toward the camera module;
wherein the resisting member includes a main portion and opposite resisting portions extending from two sides of the main portion, each resisting portion includes a plurality of spaced resisting plates, the main portion is secured in socket and the resisting plates pushes the contact portion; and
a fixing member, wherein the fixing member is an adhesive sheet sandwiched between the contact portion and the main portion of the resisting member.
6. The portable electronic device as claimed in claim 5, wherein the contact portion of the PCB and the socket define at least one positioning hole.
7. The portable electronic device as claimed in claim 5, wherein the socket includes bottom wall, and side walls extending from the bottom wall, thereby defining a socket space, the main portion of the PCB is secured in the bottom wall, the contact portion and the camera module received in the socket space.
8. The portable electronic device as claimed in claim 7, wherein each of the two opposite side walls includes a latching member extending up from the bottom wall.
9. A method of assembling a portable electronic device with a camera apparatus, comprising:
providing a camera apparatus, including:
a camera module;
a holder including a socket having fixing ends extended from edges of the holder, each of the fixing ends having holes and a resisting member secured in the socket; and
a PCB including a contact portion;
providing a housing; securing the socket in the housing; and
positioning the contact portion and the camera module in the socket with the resisting member pushing the contact portion toward the camera module;
defining at least one positioning hole in the PCB and the holder;
providing a positioning structure including a base board and at least one positioning post;
placing the positioning structure at one side opposite to the holder of the housing with the positioning post extending through the position hole when positioned in the socket; and
wherein the holder is adhered to the contact portion of the PCB.