WO2020015248A1

WO2020015248A1 - Temperature resistance safety performance detection device for mobile phone battery

Info

Publication number: WO2020015248A1
Application number: PCT/CN2018/113366
Authority: WO
Inventors: 肖建军
Original assignee: 江苏赛博宇华科技有限公司
Priority date: 2018-07-18
Filing date: 2018-11-01
Publication date: 2020-01-23
Also published as: CN108896925A

Abstract

A temperature resistance safety performance detection device for a mobile phone battery. According to the temperature resistance safety performance detection device for the mobile phone battery, a contact area between a mobile phone battery sample and hot air may be increased, and a detection effect is improved; meanwhile, the reuse rate of the hot air is improved, costs are lowered, and energy is saved; in addition, damage on a work box when the mobile phone battery sample explodes is lightened, splashing electrolyte may be conveniently cleaned, and use reliability is improved. The device comprises a base (1), a support (2), a work box (3), a temperature detector (4), an air heater (5), and an input pipe (6), the temperature detector (4) being provided in the work box (3). The device further comprises a placement plate (8) and multiple groups of supporting members (9), the placement plate (8) being located in a work cavity. The device further comprises a mounting frame (10) and an output pipe (11), the output pipe (11) being provided on a bottom input end of the air heater (5). The device further comprises a left baffle (12), a right baffle, a rear baffle (13), an upper baffle, a lower baffle (14), and a front baffle (15), wherein the left and right sides of the rear end of the front baffle (15) are respectively in contact with the front end of the left baffle (12) and of the right baffle.

Description

Device for detecting temperature resistance and safety performance of mobile phone battery

Technical field

The utility model relates to the technical field of mobile phone battery quality inspection, in particular to a temperature-resistant safety performance detection device for a mobile phone battery.

Background technique

As we all know, the long-term use of the mobile phone will definitely cause the phenomenon of mobile phone heating. If a short circuit of the mobile phone circuit occurs, it will cause the mobile phone battery to quickly heat up, and there are many types of accidents, such as leakage and deformation. It is a normal phenomenon, but there are also some accidents that can harm the human body, such as explosions and splashes. In order to reduce the harm to consumers, it is important to detect changes caused by the high temperature of the mobile phone battery. An auxiliary device for testing the temperature resistance of a mobile phone battery in order to ensure its quality is widely used in the field of mobile phone battery quality inspection; the existing device for testing the temperature resistance and safety performance of a mobile phone battery includes a base, a bracket, A working box, a temperature detector, a hot air blower, and an input pipe. The support is provided on the top of the base. The working box is provided on the support. The working box is provided with a working chamber. The front end of the working box is provided with a pick-and-place port. Box door, working box is equipped with pressure regulating valve, temperature detector is set in working box, heat fan is set at the bottom On the right side of the top, the input tube is set on the left output end of the hot air blower, and the output end of the input tube passes through the working box and extends into the working cavity; the existing mobile phone battery temperature resistance and safety performance detection device will be used first. The cell phone battery samples are fully charged with the rated voltage and rated current. Then open the door and place multiple cell phone battery samples into the work box. After placing them, close the door and control the hot air fan to input hot air into the work box. The temperature of the air in the working box is detected by a temperature detector. When the temperature reaches 250-255 ° C, the input of hot air is stopped, and then the natural cooling is cooled to 210-230 ° C. Then, the hot air fan is again controlled to input the hot air into the working box, and then in the working box. After the air temperature reaches 245-250 ° C, stop inputting, and then observe the change of the mobile phone battery sample and record it when the air temperature in the work box naturally cools to 50 ° C. At this time, for the mobile phone battery without a safety protection device, if the mobile phone battery deforms If the two ends are cracked or smoked, it is qualified. If explosion, combustion, or electrolyte splashing occurs, it is unqualified. For mobile phone batteries with safety protection devices Observe whether the safety protection device of the mobile phone battery works. If the safety protection device operates, it is qualified, and if explosion, combustion and electrolyte splashing occur, it is unqualified.

technical problem

Existing mobile phone battery temperature resistance and safety performance testing devices found that the lower side of the mobile phone battery sample was completely in contact with the bottom wall of the work box, resulting in limited contact area with hot air and limited detection effects; and the hot air during the drying process. Recycling rate is low, resulting in increased cost and waste of energy; and when the cell phone battery sample explodes, its debris is likely to collide with the inner wall of the work box, causing damage to the work box, and the work chamber is deep, so It is convenient to clean the electrolyte splashed on the inner wall of the work box, and the use reliability is limited.

Technical solutions

In order to solve the above technical problems, the present invention provides a method for increasing the contact area between a mobile phone battery sample and hot air and improving the detection effect; at the same time, increasing the repeated utilization of hot air, reducing costs and saving energy; The damage to the work box during the explosion, and it is convenient to clean the splashed electrolyte, which improves the reliability of the mobile phone battery temperature resistance and safety performance detection device.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, which includes a base, a bracket, a working box, a temperature detector, a heat fan, and an input pipe. The bracket is arranged on the top of the base, the working box is arranged on the bracket, and the working box is arranged in the working box. There is a working chamber. The front end of the work box is provided with a pick-and-place port, and a box door is provided on the pick-and-place port. A pressure regulator is set on the work box. A temperature detector is set in the work box. The output end of the input pipe passes through the work box and Extends into the working cavity; and further includes a placing plate and a plurality of sets of supporting pieces, the placing plate is located in the working cavity, and a plurality of sets of placing slots are provided on the top of the placing plate, and the bottom ends of the plurality of supporting pieces are respectively inserted into the plurality of groups Placed in the tank; it also includes a mounting bracket and an output tube, the mounting bracket is provided at the rear of the top end of the base, the heat fan is disposed at the top of the mounting bracket, the output pipe is disposed at the bottom input end of the heat fan, and the output tube input end It passes through the working box and extends into the working cavity. The input pipe is arranged on the top output end of the hot air blower; it also includes a left baffle, a right baffle, a back baffle, an upper baffle, a lower baffle, and a front baffle. board The rear side wall of the tailgate is in contact with the rear side wall of the working box, and the left side and the right side are respectively arranged on the left and right ends of the tailgate, and the left side of the left side and the right side of the right side are respectively The left side wall and the inner right side wall of the work box are in contact with each other. The upper side of the upper baffle plate and the lower bottom surface of the lower baffle plate are in contact with the top wall and the inner bottom wall of the work box, respectively. It is in contact with the top of the left and right bezels, the left and right ends of the bottom bezel are in contact with the bottom of the left and right bezels respectively, and the back of the bottom of the upper bezel and the back of the top of the back bezel are respectively in contact with the back bezel The top end and the bottom end are in contact, the upper and lower sides of the rear end of the front baffle are respectively connected to the front end of the upper baffle and the lower baffle, and the left and right sides of the rear end of the front baffle are in contact with the front end of the left and right baffle, respectively.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery. The support member includes a support plate and four groups of support rods. The four groups of support rods are respectively arranged at the top left front side, left rear side, right front side, and right rear of the top of the support plate. On the side, the outer side wall of the support plate is in close contact with the inner side wall of the placement groove.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery. A front groove and a rear groove are respectively provided on the lower side of the front end of the left bezel and the upper side of the rear end of the right bezel. The output ends are respectively located in the front groove and the rear groove, the left end of the temperature detector is connected to the front side of the lower end of the left wall in the working box, and the temperature detector is located in the front groove.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, further comprising a servo motor. The servo motor is disposed at the bottom end of the work box, and the lower side of the servo motor is in contact with the front half area of the top of the base. The top output end of the servo motor A rotating shaft is arranged on the top, and the top of the rotating shaft passes through the working box and the lower baffle in turn, and the top of the rotating shaft and the top of the lower baffle are on the same horizontal line. An insert is provided at the bottom end of the placing plate, and The inserting block matches the slot, and the inserting block is inserted into the slot. A lower groove is provided in the middle of the rear end of the lower baffle, and the rotating shaft is located at the lower groove.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, further comprising four sets of support blocks and four sets of semi-circular sliders. The four sets of support blocks are respectively disposed on the left front side, the left rear side, and On the front right and rear right sides, four sets of semi-circular sliders are respectively disposed at the bottom ends of the four sets of support blocks, and the bottom ends of the four sets of semi-circular sliders are in contact with the upper side of the lower bezel.

The device for detecting the temperature resistance and safety performance of a mobile phone battery according to the present utility model further includes two sets of first handles, which are respectively arranged on the front half area of the right end of the left bezel and the front half area of the left end of the right bezel.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, and further includes a second handle. The front end of the front baffle is provided with a mounting slot. The second handle is provided on the rear side wall in the mounting slot. Make contact with the rear end of the door.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, and a non-slip texture structure is provided on the lower side of the base.

Beneficial effect

Compared with the prior art, the utility model has the beneficial effects that the mobile phone battery sample can be placed on the support, thereby increasing the contact area between the mobile phone battery sample and the hot air, and improving the detection effect; The hot air exhausted inside is re-entered into the hot air blower for heating, so as to reuse the output hot air, so as to improve the reuse rate of the hot air, reduce costs and save energy; and it can pass the left baffle, right baffle, and rear baffle. Plate, upper bezel, lower bezel and front bezel cover the inner wall of the work box in order to reduce the damage to the work box caused by the sample of the mobile phone battery at the same time. The upper baffle, the lower baffle, and the front baffle are taken out of the work box, which is convenient for cleaning the splashed electrolyte and improving the reliability of use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of the present invention;

Figure 2 is a right side view of Figure 1;

3 is a partially enlarged view of part A of FIG. 2;

4 is a partially enlarged view of part B of FIG. 2;

Reference signs in the drawings: 1, base; 2, bracket; 3, working box; 4, temperature detector; 5, heat fan; 6, input pipe; 7, box door; 8, placing plate; 9, support; 10 、 Mounting frame; 11, Output tube; 12, Left baffle; 13, Rear baffle; 14, Lower baffle; 15, Front baffle; 16, Support plate; 17, Support rod; 18, Servo motor; 19, Rotating shaft; 20, support block; 21, semi-circular slider; 22, first handle; 23, second handle.

Best Mode of the Invention

The detailed implementation of the present invention will be described in detail below with reference to the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

As shown in FIG. 1 to FIG. 4, a device for detecting the temperature resistance and safety of a mobile phone battery of the present utility model includes a base 1, a bracket 2, a working box 3, a temperature detector 4, a heat fan 5, and an input pipe 6. The bracket is provided. At the top of the base, the working box is set on the bracket, the working chamber is provided with a working chamber, the front end of the working box is provided with a pick-and-place port, and the pick-and-place port is provided with a door 7, the work box is provided with a pressure regulating valve, and the temperature is detected. The device is arranged in the working box, and the output end of the input pipe passes through the working box and extends into the working chamber; it also includes a placing plate 8 and a plurality of groups of support members 9, the placing plate is located in the working chamber, and a plurality of Group placement grooves, the bottom ends of multiple groups of support members are inserted into the multiple placement grooves respectively; it also includes a mounting bracket 10 and an output pipe 11, the mounting bracket is arranged at the rear of the top of the base, the heat fan is arranged at the top of the mounting bracket, and the output pipe is arranged at the heat The input end of the fan is on the bottom, and the input end of the output tube passes through the working box and extends into the working cavity. The input tube is set on the top output end of the hot air blower; it also includes a left baffle 12, a right baffle, and a back baffle. 13. Upper and lower bezels 14 The front bezel 15, the rear side wall of the rear bezel is in contact with the rear side wall of the working box, the left and right bezels are respectively arranged on the left and right ends of the rear bezel, and the left side of the left bezel and the right of the right bezel are right The sides are in contact with the left and inner right walls of the work box, the upper side of the upper baffle and the bottom of the lower baffle are in contact with the top and inner bottom walls of the work box, and the left and right ends of the bottom of the upper baffle It is in contact with the tops of the left and right bezels, the left and right ends of the bottom bezel are in contact with the bottom of the left and right bezels, respectively, The top and bottom of the board are in contact, the upper and lower sides of the rear end of the front bezel are connected to the front of the upper and lower bezels respectively, and the left and right sides of the rear end of the front bezel are in contact with the front of the left and right bezels; The mobile phone battery sample is placed on the support, thereby increasing the contact area between the mobile phone battery sample and the hot air, and improving the detection effect; at the same time, the hot air discharged from the work box can be re-entered into the hot air heater for heating, so that the output of the Reuse of hot gas to increase the reuse of hot gas Rate, reduce costs and save energy; and the left and right bezels, back bezels, upper bezels, lower bezels, and front bezels can be used to block the inner wall of the work box, in order to reduce the cell phone battery samples in the event of an explosion Damage to the work box, at the same time, by removing the left, right, rear, upper, lower, and front bezels from the work box, it is convenient to clean the splashed electrolyte and improve Use reliability.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery. The support includes a support plate 16 and four groups of support rods 17, the four groups of support rods are respectively arranged at the top left front side, left rear side, right front side, and right rear of the top of the support plate. On the side, the outer wall of the support plate is in close contact with the inner wall of the placement slot; it can support the mobile phone battery sample through four sets of support rods in order to increase the contact area between the mobile phone battery sample and the hot air, improve the detection effect, and The board is taken out from the placement groove, so that the support can be cleaned or replaced easily, and the usability is improved.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery. A front groove and a rear groove are respectively provided on the lower side of the front end of the left bezel and the upper side of the rear end of the right bezel, and the input end of the output tube and the output end of the input tube. They are located in the front groove and the rear groove, respectively. The left end of the temperature detector is connected to the front side of the lower end of the left wall in the work box, and the temperature detector is located in the front groove. It can ensure that the output tube, input tube and temperature detector are not It will affect the insertion and removal of the left and right bezels, improving usability.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, which further includes a servo motor 18, which is arranged at the bottom end of the work box, and the lower side of the servo motor is in contact with the front half area of the top of the base. The top output end of the servo motor is provided with Rotating shaft 19, the top of the rotating shaft passes through the working box and the lower baffle in turn, and the top of the rotating shaft is on the same horizontal line as the top of the lower baffle. Inserts are placed at the bottom end of the plate, and inserts are placed at the top of the rotating shaft. A matching slot, and the insert block is inserted into the slot, a lower groove is provided in the middle of the rear end of the lower baffle, and the rotation shaft is located at the lower groove; it can be driven by a servo motor to rotate the rotation shaft so that The placement plate and the support on the insert block are rotated to agitate the air in the work box to enhance the heating effect. By placing the top of the rotating shaft and the top of the lower baffle on the same horizontal line and setting the lower groove, Therefore, it is ensured that the rotating shaft does not affect the insertion and removal of the lower baffle and the back baffle, thereby improving the usability.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, which further includes four sets of support blocks 20 and four sets of semi-circular sliders 21. The four sets of support blocks are respectively disposed on the left front side, the left rear side, and On the front right and rear right sides, four sets of semi-circular sliders are respectively set at the bottom ends of the four sets of blocks, and the bottom ends of the four sets of semi-circular sliders are in contact with the upper side of the lower bezel; Support, improve its support effect and assist it to rotate.

The device for detecting the temperature resistance and safety performance of a mobile phone battery of the present utility model further includes two sets of first handles 22, which are respectively arranged on the front half area of the right end of the left bezel and the front half area of the left end of the right bezel; Remove the left and right bezels and the back bezel from the work box to clean or replace them, improving usability.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery, and further includes a second handle 23. The front end of the front baffle is provided with a mounting groove. The second handle is disposed on the rear side wall in the mounting groove. The rear end of the door is in contact; it can easily remove the front bezel, upper bezel, and lower bezel from the work box, so that it can be cleaned or replaced, improving usability.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery. A non-slip texture structure is provided on the lower side of the base; it can increase friction and improve the stability when the device is placed.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery. When in use, a plurality of sets of mobile phone battery samples are fully charged with a rated voltage and a rated current, and then the door is opened, and the front bezel, the upper bezel and the The lower bezel is taken out of the work box. After taking out, the multiple sets of mobile phone battery samples are placed on multiple sets of support members. After being placed, the upper bezel, the lower bezel and the front bezel are placed in the work box. Close the box door and control the hot air fan to input hot air into the working box, and re-enter the hot air exhausted from the working box into the hot air fan through the output pipe for heating and reuse the hot air. During the heating process, the servo motor is controlled to drive the rotating shaft The placing plate is rotated to uniformly heat the cell phone battery sample. At the same time, the temperature of the air in the working box is detected by a temperature detector. When the temperature reaches 250-255 ° C, the input of hot air is stopped, and then it is cooled again to 210-230 ° C. The hot air blower enters the hot air into the working box, and then stops when the air temperature in the working box reaches 245-250 ° C, and then waits for the air temperature in the working box to naturally cool to 50 ° C. Open the work case and remove the front bezel, upper bezel and lower bezel from the work case. Then observe the changes in the battery sample of the mobile phone and record it. At this time, if the mobile phone battery has no deformation protection, Rupture or smoke at both ends is qualified. If explosion, combustion, or electrolyte splashing occurs, it is unqualified. For mobile phone batteries with safety protection devices, observe whether the safety protection device of the mobile phone battery works. If the safety protection device operates It is qualified, but explosion, combustion, and electrolyte splashing are unqualified. After the test is completed, the placement plate is removed from the work box with multiple sets of support members, and then the tailgate, left and right shutters are removed from the work box. Take out the work box, and finally clean the placement plate, support, left bezel, right bezel, rear bezel, upper bezel, lower bezel, and front bezel. After cleaning, first move the left bezel, The right bezel and the back bezel are placed in the work box. After inserting, insert the insert at the bottom of the board back into the slot, and then place the upper bezel, the lower bezel and the front bezel into the work box. Close the door So that you can use it next time.

The utility model relates to a device for detecting the temperature resistance and safety performance of a mobile phone battery. The installation method, connection method or setting method are all common mechanical methods. Any device that can achieve its beneficial effects can be implemented. Comes with control module and power cord, can be used when plugged in, without changing its internal structure.

The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements And the modification should also be regarded as the protection scope of the utility model.

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Claims

A device for detecting the temperature resistance and safety performance of a mobile phone battery, comprising a base (1), a bracket (2), a work box (3), a temperature detector (4), a heat fan (5), an input pipe (6), and a bracket (2 ) Is set on the top of the base (1), the working box (3) is set on the bracket (2), the working chamber (3) is provided with a working cavity, the front of the working box (3) is provided with a pick-up port, and A box door (7) is provided, a pressure regulating valve is provided on the work box (3), a temperature detector (4) is provided in the work box (3), and an output end of the input pipe (6) passes through the work box (3) and Extends into the working chamber; characterized in that it further comprises a placing plate (8) and a plurality of sets of support members (9), the placing plate (8) is located in the working chamber, and a plurality of supporting plates (8) are arranged on the top of the placing plate (8); A group of placement grooves, the bottom ends of the plurality of groups of support members (9) are respectively inserted into the plurality of groups of placement grooves; and further comprising a mounting bracket (10) and an output pipe (11), the mounting bracket (10) is arranged on the base (1) On the rear side of the top, the hot air blower (5) is set on the top of the mounting bracket (10), and the output pipe (11) is set on the hot air blower (5). The input end of the output pipe (11) passes through the working box (3) and extends into the working cavity, the input pipe (6) is arranged on the top output end of the hot air fan (5); Left bezel (12), right bezel, back bezel (13), upper bezel, lower bezel (14), and front bezel (15), the back wall of the back bezel (13) and the working box (3) The inner and rear side walls are in contact, and the left and right baffles (12) and right baffles are respectively arranged on the left and right ends of the back and right baffles (13). The inner left side wall and the inner right side wall of the work box (3) are in contact with each other, and the upper side of the upper baffle plate and the lower bottom surface of the lower baffle plate (14) are in contact with the inner top wall and inner bottom wall of the work box (3), And the left and right ends of the bottom of the upper baffle are in contact with the top of the left baffle (12) and the right baffle, respectively, and the left and right ends of the top of the lower baffle (14) are in contact with the bottom of the left baffle (12) and the right baffle, respectively. The rear side of the bottom end of the upper bezel and the rear end of the top of the back bezel (13) are in contact with the top and bottom ends of the back bezel (13), respectively. Lower bezel (14) The front end is connected, and the left and right sides of the rear end of the front bezel (15) are in contact with the front end of the left bezel (12) and the right bezel, respectively.
The device for detecting temperature resistance and safety performance of a mobile phone battery according to claim 1, wherein the support member (9) comprises a support plate (16) and four groups of support rods (17), and the four groups of support rods (17) ) Are respectively arranged on the left front side, the left rear side, the right front side, and the right rear side of the top of the support plate (16), and the outer wall of the support plate (16) is in close contact with the inner wall of the placement groove.
The device for detecting the temperature resistance and safety performance of a mobile phone battery according to claim 2, characterized in that a front groove and a rear recess are respectively provided on the lower side of the front end of the left bezel (12) and the upper side of the rear end of the right bezel. And the input end of the output tube (11) and the output end of the input tube (6) are respectively located in the front groove and the rear groove, the left end of the temperature detector (4) and the lower end of the left side wall in the working box (3) Side connection, and the temperature detector (4) is located in the front groove.
The device for detecting temperature resistance and safety performance of a mobile phone battery according to claim 3, further comprising a servo motor (18), the servo motor (18) is disposed at the bottom of the work box (3), and the servo motor (18) The lower side is in contact with the front half area of the top of the base (1). The top output end of the servo motor (18) is provided with a rotating shaft (19), and the top of the rotating shaft (19) passes through the working box (3) and The lower baffle plate (14), the top of the rotating shaft (19) and the top of the lower baffle plate (14) are located on the same horizontal line, an insert is provided at the bottom end of the placing plate (8), and The inserting block matches the slot, and the inserting block is inserted into the slot. A lower groove is provided in the middle of the rear end of the lower baffle plate (14), and the rotating shaft (19) is located at the lower groove.
The device for detecting temperature resistance and safety performance of a mobile phone battery according to claim 4, further comprising four groups of support blocks (20) and four groups of semi-circular sliders (21), the four groups of support blocks ( 20) respectively set on the left front side, left rear side, right front side, and right rear side of the bottom end of the placing plate (8), and four sets of semicircular sliders (21) are set on the bottom ends of the four sets of support blocks (20), And the bottom ends of the four groups of semi-circular sliders (21) are in contact with the upper side of the lower baffle (14).
The device for detecting the temperature resistance and safety performance of a mobile phone battery according to claim 5, further comprising two sets of first handles (22), the two sets of first handles (22) are respectively disposed on the left bezel ( 12) Right front half area and right front left half area.
The device for detecting the temperature resistance and safety performance of a mobile phone battery according to claim 6, further comprising a second handle (23), the front end of the front bezel (15) is provided with a mounting slot, and the second handle (23) ) Is arranged on the rear side wall in the installation groove, and the front end of the second handle (23) is in contact with the rear end of the box door (7).
The device for detecting temperature resistance and safety performance of a mobile phone battery according to claim 7, wherein a non-slip texture structure is provided on the lower side of the base (1).

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