CN210518504U

CN210518504U - SAR testing arrangement of mobile terminal

Info

Publication number: CN210518504U
Application number: CN201921669981.3U
Authority: CN
Inventors: 夏元平; 乐颖; 胡斌; 王中羽; 张毅
Original assignee: East China Institute of Technology
Current assignee: East China Institute of Technology
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-05-12
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a SAR testing device of a mobile terminal, which comprises an upper cover, a test board, a base and a limit baffle, wherein the upper cover is in sliding connection with the limit baffle, the limit baffle is in fixed connection with the base, the base is in sliding connection with the test board, the upper cover is provided with a first groove, and an induction sheet is arranged in the first groove; a second groove is formed in the test board, and a mobile phone fixing component is arranged in the second groove; when the mobile phone is used, the test board is pulled out manually, the mobile phone is placed into the second groove manually, the position of the mobile phone is fixed by using the mobile phone fixing component and the spring fixing component through manual adjustment, the SAR antenna area of the mobile phone is projected on the induction sheet, the upper cover is put down, the first groove and the second groove form a closed area, and therefore the SAR value of the mobile phone is sensed by using the induction sheet; the test device has the characteristics of convenience in test, simplicity in use and capability of effectively improving the test efficiency.

Description

SAR testing arrangement of mobile terminal

Technical Field

The utility model relates to a test field, concretely relates to SAR testing arrangement of mobile terminal.

Background

With the advent of smart phones, in densely populated cities, the popularization of smart phones and the large-scale coverage of mobile communication networks cause the aggravation of electromagnetic radiation environmental pollution, and researches show that the long-term life in the environment can cause the increase of the lesion rate of related diseases of human beings or animals and the damage to human bodies or animals;

at present, the safety requirement of China for the electromagnetic radiation of a mobile terminal is that the detection value of Specific Absorption Rate (SAR) in 9g organization is less than 2.0W/kg, and the mobile phone higher than 2.0W/kg is not allowed to be sold on the market, but the user can not obtain the electromagnetic radiation intensity generated by the mobile phone in real time, has no visual feeling, and only can trust the propaganda of mobile phone manufacturers or media passively, especially, the SAR test method has larger difference with the actual use physical environment of the mobile phone, and the test result can not truly reflect the electromagnetic radiation intensity;

however, the prior art has at least the following problems:

(1) the existing testing device has higher requirement on testing environment, needs to be carried out in testing environment similar to a laboratory, and is not suitable for factory testing environment;

(2) the existing testing device has the disadvantages of complex structure, high manufacturing cost and complex operation, so that the testing efficiency is low, and the requirement of mass testing of a production line cannot be met.

Disclosure of Invention

To the existing problem, the utility model aims at providing a mobile terminal's SAR testing arrangement, including upper cover, testboard, base and limit baffle, can be when using through the manual testboard of pulling out, will manually put into the second recess, through manual adjustment cell-phone position, make the SAR antenna region projection of cell-phone at the response piece, use cell-phone fixed subassembly with cell-phone position fixed, the upper cover is put down, first recess forms an inclosed cavity with the second recess to utilize the SAR value of response piece sensing cell-phone; the test device has the characteristics of convenience in test, simplicity in use and capability of effectively improving the test efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme:

an SAR testing device of a mobile terminal comprises an upper cover, a testing platform, a base and a limiting baffle, wherein the upper cover is connected with the limiting baffle in a sliding manner, the limiting baffle is fixedly connected with the base, and the base is connected with the testing platform in a sliding manner; a first groove is formed in the upper cover, and an induction sheet is arranged in the first groove; the mobile phone test board is characterized in that a second groove is formed in the test board, a mobile phone fixing structure is arranged in the second groove, and the first groove and the second groove cover to form a closed cavity.

Preferably, the upper cover is provided with a first sliding block, the limit baffle is provided with a first sliding rail, and the first sliding block is connected with the first sliding rail in a sliding manner.

Preferably, the bottom of limit baffle still be provided with the third arch, the left end of base be provided with the protruding hole of cooperation joint of third.

Preferably, the upper end face of the base is provided with a second sliding block, the lower end face of the test bench is provided with a second sliding rail, and the second sliding block is connected with the second sliding rail in a sliding mode.

Preferably, the mobile phone fixing structure comprises a fixing base, a mobile phone fixing component and a spring fixing component, the outline of the fixing base is matched with the second groove, and a mobile phone fixing groove for placing a mobile phone is formed in the middle of the fixing base; the mobile phone fixing components are oppositely arranged on the left side and the right side of the fixing base, and the spring fixing components are oppositely arranged on the front side and the rear side of the fixing base.

Preferably, the spring fixing assembly comprises a limiting block and a first spring, one end of the first spring is fixedly connected with the front and rear inner side walls of the fixing base, and the other end of the first spring is fixedly connected with the limiting block.

Preferably, the mobile phone fixing assembly comprises a fixing support and a fixing arm, and the fixing arm is connected to the fixing support through a hinge assembly.

Preferably, the hinge assembly comprises a second spring, a bolt shaft and a bolt cap, the lower end of the fixed arm is provided with a reset groove, and the second spring is installed in the reset groove and sleeved on the bolt shaft; the two ends of the reset groove are symmetrically provided with bulges, and the bolt shaft penetrates through the bulges and the fixed support to connect the fixed support and the fixed arm in a hinged mode.

Preferably, the test bench is further provided with a handle groove.

Preferably, rubber sealing rings are arranged on the edges of the first groove and the second groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, it is safe in utilization, swift, convenient:

1. the upper cover is connected with the limit baffle in a sliding manner, and the base is connected with the test board in a sliding manner by arranging the first sliding rail, the second sliding rail, the first sliding block and the second sliding block, so that a tester can adjust the distance between the upper cover and the test board when carrying out SAR test on the mobile phone, the position of the mobile phone can be adjusted better, and the operation is convenient;

2. through setting up the fixed subassembly of cell-phone, fix the cell-phone on unable adjustment base, prevent that the cell-phone position from changing, influencing the test effect, have convenient to use, can measure the characteristics of cell-phone SAR at any time.

Drawings

Fig. 1 is the structure schematic diagram of the SAR testing apparatus of the present invention.

Fig. 2-1 is a schematic structural diagram of the upper cover of the SAR testing device of the present invention.

Fig. 2-2 is a bottom view of the upper cover of the SAR testing device of the present invention.

Fig. 3 is the structure schematic diagram of the test bench of the SAR testing apparatus of the present invention.

Fig. 4-1 is a schematic structural diagram of the mobile phone fixing component of the SAR testing device of the present invention during use.

Fig. 4-2 is a schematic structural diagram of the mobile phone fixing component of the SAR testing device of the present invention when not in use.

Fig. 5 is the utility model discloses SAR testing arrangement limit baffle's schematic structure.

Fig. 6 is a schematic structural diagram of the base of the SAR testing apparatus of the present invention.

Fig. 7 is a schematic structural diagram of the hinge assembly of the SAR testing apparatus of the present invention.

Fig. 8 is a schematic structural diagram of the latch shaft of the SAR testing apparatus of the present invention.

Wherein: 1. the mobile phone fixing device comprises an upper cover, a test board, a base, a limiting baffle, a cavity, a first protrusion, a second spring, a pin shaft, a pin cap, a first groove, a first sliding block, a second groove, a handle groove, a sliding rail, a sliding block, a hole, a sliding rail, a third protrusion, a fixing base, a mobile phone fixing component, a mobile phone fixing groove, a spring fixing component, a fixing support, a fixing arm, a limiting block and a first spring, wherein the upper cover, the test board, the base, the limiting baffle, the cavity, the first protrusion, the second groove, the handle groove, the sliding.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2-2, fig. 3, fig. 4-1, fig. 4-2, fig. 5, fig. 6, fig. 7, and fig. 8, the present invention provides a technical solution, a SAR testing apparatus for a mobile terminal, including an upper cover 1, a testing platform 2, a base 3, and a limit baffle 4, wherein the upper cover 1 is slidably connected to the limit baffle 4, the limit baffle 4 is fixedly connected to the base 3, and the base 3 is slidably connected to the testing platform 2; a first groove 11 is formed in the upper cover 1, and an induction sheet is arranged in the first groove 11; the test bench 2 is provided with a second groove 21, a mobile phone fixing component is arranged in the second groove 21, and the first groove 11 and the second groove 21 are covered to form a closed cavity 5.

The upper cover 1 is L-shaped, a first sliding block 12 is arranged on the upper cover 1, a first sliding rail 41 is arranged on the limiting baffle 4, the first sliding block 12 is connected with the first sliding rail 41 in a sliding mode, when the first sliding block 12 slides up and down along the first sliding rail 41, the distance between the upper cover 1 and the test bench 2 changes along with the position of the first sliding block 12 in the first sliding rail 41, the distance between the upper cover 1 and the test bench 2 is adjusted, the SAR antenna area of the mobile phone can be projected on the induction sheet when the SAR value of the mobile phone is tested, and SAR tests with different preset heights can be achieved.

Limit baffle 4's bottom still be provided with the third arch 42, the left end of base 3 is provided with the hole 32 with the protruding cooperation joint of third, the size of the protruding 42 of third equals with the size of hole 32, consequently, during the use, will the fixed block of the protruding 42 of third realizes limit baffle 4 and base 3 fixed connection in hole 32 for when carrying out the test of cell-phone SAR value, limit baffle 4 forms a whole with base 3, the back that finishes in the test, can take out the protruding 42 of third from hole 32, conveniently carry and save space.

The up end of base 3 on be provided with second slider 31, be provided with second slide rail 23 on the terminal surface of testboard 2, second slider 31 and second slide rail 23 sliding connection, during the use, pulling handle groove, base 3 outwards slides along second slide rail 23 for second recess 21 is pulled out, puts the cell-phone on unable adjustment base and fixes when being convenient for the tester test, treats that the cell-phone position is fixed after, pushes testboard 2 along opposite direction.

The mobile phone fixing structure comprises a fixing base 211, a mobile phone fixing component 212 and a spring fixing component 214, wherein the outline of the fixing base 211 is matched with the second groove, so that the fixing base 211 is conveniently clamped in the second groove, and a mobile phone fixing groove 213 for placing a mobile phone is arranged in the middle of the fixing base 211 and used for clamping the mobile phone;

the mobile phone fixing components 212 are oppositely arranged at the left side and the right side of the fixing base 211, and the first spring fixing components 214 are oppositely arranged at the front side and the rear side of the fixing base 211; the mobile phone fixing assembly 212 comprises a fixing support 2121 and a fixing arm 2122, the fixing arm 2122 is connected to the fixing support 2121 through a hinge assembly, the spring fixing assembly 214 comprises a limiting block 2141 and a first spring 2142, one end of the first spring 2142 is fixedly connected to the inner side walls of the front end and the rear end of the fixing base 211, and the other end of the first spring 2142 is fixedly connected to the limiting block 2141; when the mobile phone needs to be placed in the mobile phone fixing groove 213, the worker manually rotates the fixing arm 2122 to fix the left and right sides of the mobile phone, and fixes the front and rear sides of the mobile phone through the adjusting spring fixing component 214, so that the mobile phone is fixed in the mobile phone fixing groove 213.

The hinge assembly comprises a second spring 7, a bolt shaft 8 and a bolt cap 9, a reset groove is formed in the lower end of the fixing arm 2122, the second spring 7 is installed in the reset groove, protrusions 6 are symmetrically arranged at two ends of the reset groove, holes with the diameter equal to that of the bolt shaft 8 are formed in the protrusions 6 and the support 2121, threads are arranged at the tail end of the bolt shaft 8, the second spring 7 is sleeved on the bolt shaft 8, and the bolt shaft 8 penetrates through the protrusions 6 and the fixing support 2121 to connect the fixing support 2121 and the fixing arm 2122 in a hinge mode; one end of the second spring 7 is fixedly connected with the fixed support 2121, and the other end is fixedly connected with the fixed arm 2122, in a non-use state, the fixed arm 2122 is horizontally connected with the fixed support 2121 under the action of the second spring 7, when the mobile phone needs to be clamped into the mobile phone, an operator pulls up the fixed arm 2122 with hands, places the mobile phone into the mobile phone fixing groove 213, releases the fixed arm 2122 after the position of the mobile phone is adjusted, and the fixed arm 2122 resets under the action of the second spring 7 and is pressed on the mobile phone to fix the position of the mobile phone, and the action principle of the mobile phone fixing device is the same as that of a hairpin.

The tail end of the plug shaft 8 is provided with threads, the plug cap 9 is provided with threads corresponding to the tail end of the plug shaft 8, and after the plug shaft 8 penetrates through the fixed support 2121 and the fixed arm 2122 to be hinged, the plug cap 9 is in threaded connection with the plug shaft 8.

The shape of the fixing base 211 can be rectangular, oval or other shapes.

The number of the mobile phone fixing component 212 and the spring fixing component 214 is at least two.

The surface of the mobile phone fixing groove 213 is covered with a layer of soft sponge for protecting the mobile phone screen.

The test bench 2 is also provided with a handle slot 22.

Rubber sealing rings are arranged on the edges of the first groove 11 and the second groove 21, so that a closed cavity 5 is formed when the first groove 11 and the second groove 21 are covered.

The utility model discloses a theory of operation and use flow: the specific steps during use are that a tester manually pulls the handle groove 22, the test bench 2 is pulled out along the second slide rail 23, and the pulling is stopped after the opening part at the upper part of the second groove 21 is pulled out; placing the mobile phone, placing the mobile phone with the back face upward on a mobile phone fixing groove 213 of a fixing base 211, adjusting the position to enable the SAR antenna area of the mobile phone to be projected on an induction sheet, and fixing the position of the mobile phone by using a mobile phone fixing component 212 and a spring fixing component 214; after the mobile phone is fixed, the test bench 2 is manually pushed into a preset position, the upper position and the lower position of the upper cover 1 are adjusted, whether the openings of the first groove 11 and the second groove 21 are aligned is observed, if the openings of the first groove 11 and the second groove 21 are not aligned, the position of the test bench 2 is adjusted, and if the openings of the first groove 11 and the second groove 21 are aligned, the upper position and the lower position of the upper cover 1 are adjusted, so that the first groove 11 and the second groove 21 are covered, a closed cavity 5 is formed, and the SAR.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mobile terminal's SAR testing arrangement, includes upper cover (1), testboard (2), base (3) and limit baffle (4), its characterized in that: the upper cover (1) is connected with the limiting baffle (4) in a sliding manner, the limiting baffle (4) is fixedly connected with the base (3), and the base (3) is connected with the test board (2) in a sliding manner; a first groove (11) is formed in the upper cover (1), and an induction sheet is arranged in the first groove (11); the mobile phone test bench is characterized in that a second groove (21) is formed in the test bench (2), a mobile phone fixing structure is arranged in the second groove (21), and the first groove (11) and the second groove (21) are covered to form a closed cavity (5).

2. The apparatus for testing SAR of a mobile terminal according to claim 1, wherein: the upper cover (1) is provided with a first sliding block (12), the limiting baffle (4) is provided with a first sliding rail (41), and the first sliding block (12) is in sliding connection with the first sliding rail (41).

3. The apparatus for testing SAR of a mobile terminal according to claim 2, wherein: the bottom of limit baffle (4) still be provided with third arch (42), the left end of base (3) be provided with hole (32) of the protruding cooperation joint of third.

4. The apparatus for testing SAR of a mobile terminal according to claim 1, wherein: the test bench is characterized in that a second sliding block (31) is arranged on the upper end face of the base (3), a second sliding rail (23) is arranged on the lower end face of the test bench (2), and the second sliding block (31) is connected with the second sliding rail (23) in a sliding mode.

5. The apparatus for testing SAR of a mobile terminal according to claim 1, wherein: the mobile phone fixing structure comprises a fixing base (211), a mobile phone fixing component (212) and a spring fixing component (214), wherein the outline of the fixing base (211) is matched with the second groove, and a mobile phone fixing groove (213) for placing a mobile phone is formed in the middle of the fixing base (211); the mobile phone fixing component (212) is arranged on the left side and the right side of the fixing base (211) relatively, and the spring fixing component (214) is arranged on the front side and the rear side of the fixing base (211) relatively.

6. The SAR testing device of the mobile terminal as claimed in claim 5, wherein: the spring fixing component (214) comprises a limiting block (2141) and a first spring (2142), one end of the first spring (2142) is fixedly connected with the front inner wall and the rear inner wall of the fixed base (211), and the other end of the first spring (2142) is fixedly connected with the limiting block (2141).

7. The SAR testing device of the mobile terminal as claimed in claim 5, wherein: the mobile phone fixing component (212) comprises a fixing support (2121) and a fixing arm (2122), wherein the fixing arm (2122) is connected to the fixing support (2121) through a hinge component.

8. The apparatus for testing SAR of a mobile terminal according to claim 7, wherein: the hinge assembly comprises a second spring (7), a bolt shaft (8) and a bolt cap (9), a reset groove is formed in the lower end of the fixed arm (2122), and the second spring (7) is installed in the reset groove and sleeved on the bolt shaft (8); bulges (6) are symmetrically arranged at two ends of the reset groove, and the bolt shaft (8) penetrates through the bulges (6) and the fixed support (2121) to connect the fixed support (2121) and the fixed arm (2122) in a hinged mode.

9. The SAR testing device of a mobile terminal according to any of claims 1 to 8, wherein: the test bench (2) is also provided with a handle groove (22).

10. The SAR testing device of a mobile terminal according to any of claims 1 to 8, wherein: rubber sealing rings are arranged on the edges of the first groove (11) and the second groove (21).