CN201860352U - Clamshell phone - Google Patents
Clamshell phone Download PDFInfo
- Publication number
- CN201860352U CN201860352U CN2010205341211U CN201020534121U CN201860352U CN 201860352 U CN201860352 U CN 201860352U CN 2010205341211 U CN2010205341211 U CN 2010205341211U CN 201020534121 U CN201020534121 U CN 201020534121U CN 201860352 U CN201860352 U CN 201860352U
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- metal
- oxide
- semiconductor
- stepping motor
- rotating shaft
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Abstract
The utility model relates to the filed of mobile terminals and discloses a clamshell phone which comprises a stepping motor which is installed at the position of the rotating shaft of the clamshell phone and is used for driving a phone clamshell to be opened and closed, a drive circuit which is connected with the stepping motor and is used for driving the stepping motor to rotate, and a central processing unit (CPU) which is connected with the drive circuit and is used for controlling the drive circuit to drive according to a position interrupt signal. Since the stepping motor with proper dimension is used for replacing a rotating shaft spring and the driving force of the stepping motor is used for replacing the elastic force of the spring, the clamshell phone has the advantages that the force output is more smooth, the phone clamshell is automatically controlled, the convenience is provided for subscribers and the service life is greatly prolonged.
Description
Technical field
The utility model relates to field of mobile terminals, in particular a kind of clamshell phone.
Background technology
Present clamshell phone, the realization of renovating are by using a rotating shaft between loam cake and lower cover, spring being arranged in the rotating shaft, by artificial rotating shaft, and the opening and closing of renovating again by the elastic force realization of rotating shaft spring.
The elastic force of the cellular phone flip of prior art by the rotating shaft spring realizes, turns in the course of time to close lid and send the sound easily, because the effect of inertia of spring force, turn over and close Gai Shihui owing to the housing bump sends the big sound, aging easily simultaneously, it is unusual rotation to occur, and useful life is short.
Therefore, prior art has yet to be improved and developed.
The utility model content
The technical problems to be solved in the utility model is that the above-mentioned defective at prior art provides a kind of clamshell phone, it replaces the rotating shaft spring by stepping motor, automatically control realizes cellular phone flip, provides users with the convenient, and has prolonged useful life greatly.
The technical scheme that the utility model technical solution problem is adopted is as follows:
A kind of clamshell phone wherein, comprising:
Be installed in the clamshell phone rotating shaft position, be used to drive the stepping motor that cellular phone flip opens and closes;
The drive circuit that is connected with described stepping motor, be used to drive described stepping motor rotation;
The CPU that is connected with described drive circuit, be used for controlling described drive circuit driving according to a position interrupt signal.
Described clamshell phone, wherein, it comprises that also one that be connected with described stepping motor, as to be used for obtaining according to the rotation of described rotating shaft relevant position interrupt signal rotating shaft position confirms circuit.
Described clamshell phone, wherein, described drive circuit adopts the dual H-bridge circuit, comprising: a H bridge circuit and the 2nd H bridge circuit;
A described H bridge circuit comprises first metal-oxide-semiconductor, second metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor; The G utmost point of described first metal-oxide-semiconductor and second metal-oxide-semiconductor is connected to the GPIO1 control end; The D utmost point of described first metal-oxide-semiconductor and second metal-oxide-semiconductor is connected to first power input of described stepping motor;
The G utmost point of described the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connected to the GPIO2 control end; The D utmost point of described the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connected to the second source input of described stepping motor;
The S utmost point of described first metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor is connected to working power; The S utmost point of described second metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connected to reference to ground.
Described clamshell phone, wherein, described the 2nd H bridge circuit comprises the 5th metal-oxide-semiconductor, the 6th metal-oxide-semiconductor, the 7th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor; The G utmost point of described the 5th metal-oxide-semiconductor and the 6th metal-oxide-semiconductor is connected to the GPIO3 control end; The D utmost point of described the 5th metal-oxide-semiconductor and the 6th metal-oxide-semiconductor is connected to the 3rd power input of described stepping motor;
The G of described the 7th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor is connected to the GPIO4 control end extremely jointly; The D utmost point of described the 7th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor links together and is connected to the 4th power input of described stepping motor;
The S of described the 5th metal-oxide-semiconductor and the 7th metal-oxide-semiconductor is connected to working power extremely jointly; The S of described the 6th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor is connected to extremely jointly with reference to ground.
Described clamshell phone, wherein, described drive circuit is connected to described CPU by described GPIO1 control end, GPIO2 control end, GPIO3 control end and GPIO4 control end.
Described clamshell phone, wherein, described rotating shaft position confirms that circuit comprises:
Be arranged on the grounding wafer in the described rotating shaft;
When described cellular phone flip during in the He Gai position, the metal contact is covered in closing of contacting with grounding wafer in the described rotating shaft, and described closing covered the metal contact and be connected to working power by first resistance, and described closing covered the metal contact and also be connected with one first level detection end;
When described cellular phone flip when uncapping the position, the metal contact of uncapping that contacts with grounding wafer in the described rotating shaft, the described metal contact of uncapping is connected to working power by second resistance, the described metal contact of uncapping also is connected with one second level detection end;
Described rotating shaft position confirms that circuit obtains the relevant position interrupt signal by the described first level detection end and the second level detection end and is sent to described CPU.
Described clamshell phone, wherein, described stepping motor adopts two-phase bipolarity winding.
Clamshell phone provided by the utility model utilizes the suitable stepping motor of size to replace the rotating shaft spring, with the alternative spring force of the actuating force of stepping motor, strength output is more level and smooth, automatically control realizes cellular phone flip, provides users with the convenient, and has prolonged useful life greatly.
Description of drawings
Fig. 1 is the clamshell phone surface structure schematic diagram of the utility model embodiment;
Fig. 2 is the clamshell phone theory diagram of the utility model embodiment;
Fig. 3 is the clamshell phone driving circuit structure figure of the utility model embodiment;
Fig. 4 is that the clamshell phone rotating shaft position of the utility model embodiment is confirmed circuit diagram.
Fig. 5 is a kind of clamshell phone implementation method flow chart of the utility model embodiment.
Embodiment
The utility model provides a kind of clamshell phone, and is clearer, clear and definite for making the purpose of this utility model, technical scheme and advantage, below with reference to the accompanying drawing embodiment that develops simultaneously the utility model further described.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of clamshell phone of the utility model embodiment, thereby utilize the suitable stepping motor of size to replace the rotating shaft spring realize to drive described cellular phone flip and realize uncapping and closing lid, described stepping motor is that first stepping motor spare is controlled in the open loop that electric impulse signal changes angular displacement or displacement of the lines into.Described stepping motor is installed in the clamshell phone rotating shaft position.As shown in Figure 1, described clamshell phone 100 comprises hand-set host 120 and the cellular phone flip 110 that is connected with described hand-set host 120 by rotating shaft 101.
As shown in Figure 2, the clamshell phone important improvement part of embodiment is to comprise:
Be installed in clamshell phone rotating shaft 101 positions, be used to drive the stepping motor 130 that cellular phone flip 110 opens and closes;
130 that be connected with described stepping motor, be used to drive the drive circuit 140 that described stepping motor 130 rotates,
And the CPU 150 that is connected with described drive circuit, be used for controlling described drive circuit driving according to a position interrupt signal.
It comprises that also one is used for obtaining according to the rotation of described rotating shaft 101 the rotating shaft position affirmation circuit 160 of relevant position interrupt signal.
Further, as shown in Figure 3, described drive circuit 140 adopts the dual H-bridge circuit, comprising: a H bridge circuit 141 and the 2nd H bridge circuit 142;
A described H bridge circuit 141 comprises the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor Q1, the 3rd metal-oxide-semiconductor M2 and the 4th metal-oxide-semiconductor Q2; The G of the described first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor Q1 is connected to the GPIO1 control end extremely jointly; The D utmost point of the described first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor Q1 links together and is connected to first power input 1 of described stepping motor 130;
The G of described the 3rd metal-oxide-semiconductor M2 and the 4th metal-oxide-semiconductor Q2 is connected to the GPIO2 control end extremely jointly; The D utmost point of described the 3rd metal-oxide-semiconductor M2 and the 4th metal-oxide-semiconductor Q2 links together and is connected to the second source input 2 of described stepping motor 130;
The S of described first metal-oxide-semiconductor M1 and the 3rd metal-oxide-semiconductor M2 is connected to working power VBAT extremely jointly; The S of described second metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connected to extremely jointly with reference to ground.
As shown in Figure 3, described the 2nd H bridge circuit 142 comprises the 5th metal-oxide-semiconductor M3, the 6th metal-oxide-semiconductor Q3, the 7th metal-oxide-semiconductor M4 and the 8th metal-oxide-semiconductor Q4; The G of described the 5th metal-oxide-semiconductor M3 and the 6th metal-oxide-semiconductor Q3 is connected to the GPIO3 control end extremely jointly; The D utmost point of described the 5th metal-oxide-semiconductor M3 and the 6th metal-oxide-semiconductor Q3 links together and is connected to the 3rd power input 3 of described stepping motor 130;
The G of described the 7th metal-oxide-semiconductor M4 and the 8th metal-oxide-semiconductor Q4 is connected to the GPIO4 control end extremely jointly; The D utmost point of described the 7th metal-oxide-semiconductor M4 and the 8th metal-oxide-semiconductor Q4 links together and is connected to the 4th power input 4 of described stepping motor 130;
The S of described the 5th metal-oxide-semiconductor M3 and the 7th metal-oxide-semiconductor M4 is connected to working power VBAT extremely jointly; The S of described the 6th metal-oxide-semiconductor Q3 and the 8th metal-oxide-semiconductor Q4 is connected to extremely jointly with reference to ground.
Described drive circuit is connected to described CPU by described GPIO1 control end, GPIO2 control end, GPIO3 control end and GPIO4 control end.
Further, as shown in Figure 4, described rotating shaft position confirms that circuit 160 comprises:
Be arranged on the grounding wafer 102 in the described rotating shaft 101;
When described cellular phone flip 110 during in the He Gai position, touch 102 closing of contacting with the ground connection in the described rotating shaft 101 and cover metal contact 103, be arranged in the rotating shaft zone as shown in Figure 4, described closing covered metal contact 103 and is connected to working power VDD by first resistance R 1, and described closing covered metal contact 103 and also be connected with one first level detection end EINT 1;
When described cellular phone flip 110 when uncapping the position, the metal contact 104 of uncapping that contacts with grounding wafer 102 in the described rotating shaft 101, the described metal contact 104 of uncapping is connected to working power VDD by second resistance R 2, and the described metal contact 104 of uncapping also is connected with one second level detection end EINT 2; The described first level detection end EINT 1 and the second level detection end EINT 2 are arranged on the mainboard zone of hand-set host, are connected with described CPU.
Described rotating shaft position confirms that circuit obtains the relevant position interrupt signal by the described first level detection end EINT 1 and the second level detection end EINT 2 and is sent to described CPU.
It is as follows that the utility model is implemented the concrete operation principle of described clamshell phone:
As shown in Figure 1, stepping motor 130 is placed in the position of clamshell phone rotating shaft 101, in stepping motor 130 rotations, just can realize the opening and closing of cellular phone flip 110 like this.
As shown in Figure 3, Stepping Motor Control is used the dual H-bridge circuit.The stepping motor that adopts among the figure is a two-phase bipolarity winding, and each phase winding drives by four metal-oxide-semiconductors, and controls by 2 GPIO pin.By changing the output high-low level of GPIO, can realize stepping motor rotating control, thus the opening and closing of realization cellular phone flip.
As shown in Figure 4, a kind of rotating shaft position of design is confirmed circuit 160 in rotating shaft, when rotating shaft 101 is rotated, grounding wafer 102 positions change, come in contact when separating with two position metal contacts (close and cover the metal contact 103 and the metal contact 104 of uncapping), the capital sends a level variation interrupt signal for mobile phone CPU, and CPU is according to the interrupt signal that receives, and the control step motor carries out corresponding actions.
Concrete control flow is as follows:
Close the state of lid: referring to Fig. 4, grounding wafer 102 covers metal contact 103 with closing of He Gai position and contacts, and EINT1 is a low level, and EINT2 is a high level.
The flow process of uncapping: referring to Fig. 1, the user pushes cellular phone flip 110 slightly open, again referring to Fig. 4, making grounding wafer 102 and closing of He Gai position cover metal contact 103 separates, EINT1 is changed to high level by low level, CPU 150 detects EINT1 and is changed to the position interrupt signal that high level changes by low level, and as shown in Figure 2, control Driver Circuit 140 drive stepping motor 130 are rotated counterclockwise.
Referring to Fig. 4, when turning to grounding wafer 102, rotating shaft contacts with the metal contact 104 of uncapping of the position of uncapping, EINT2 is changed to low level by high level, CPU detects EINT2 and is changed to low level position interrupt signal by high level, then judge to uncap and finish, stop drive stepping motor 130,, before stopping drive stepping motor 130, can add certain time-delay in order to guarantee to uncap fully.
Close and cover flow process: be similar with the flow process of uncapping, referring to Fig. 4, user's lid that closes slightly, grounding wafer separates with the metal contact 104 of uncapping, and EINT2 is uprised by low, the position interrupt signal control Driver Circuit drive stepping motor that CPU detects this variation turns clockwise, cover metal contact 103 and grounding wafer 102 closures up to closing of He Gai position, EINT1 is by high step-down, after the certain time-delay, stop drive motors, close the lid action and finish.
Abnormal conditions control: in folding lid process, because of making to renovate, barrier is obstructed, an overtime detection is set in the software, after CPU starts the action of folding lid, start a timer, overtimely do not finish folding lid action, CPU then controls the motor antiport, avoids the stuck and long-time power consumption of motor.
Based on the clamshell phone of the foregoing description, the utility model embodiment also provides a kind of clamshell phone implementation method, as Fig. 5, comprises step:
S510, install at the clamshell phone rotating shaft position and to be used to drive the stepping motor that cellular phone flip opens and closes;
S520, CPU realize uncapping or closing lid thereby control Driver Circuit drives described stepping motor rotation drive cellular phone flip by obtaining corresponding position interrupt signal.
Further, described CPU is by obtaining corresponding position interrupt signal, and control Driver Circuit drives described stepping motor and rotates, and realizes uncapping specifically comprising thereby drive cellular phone flip:
When uncapping, according to an actuating signal of pushing cellular phone flip open (this actuating signal of pushing cellular phone flip open be a guide gently uncap action), make grounding wafer and closing of He Gai position cover the metal contact and separate, produce the position interrupt signal that is changed to high level by low level at the first level detection end;
When CPU detected and is changed to the position interrupt signal of high level by low level, the control Driver Circuit drive stepping motor was rotated counterclockwise;
Contact with the metal contact of uncapping of the position of uncapping when rotating shaft turns to grounding wafer, the first level detection end is changed to low level by high level, when CPU detects this and is changed to low level position interrupt signal by high level, then judges to uncap and finishes, and stops drive motors.
Further, described CPU is by obtaining a position interrupt signal, and control Driver Circuit drives described stepping motor and rotates, and realizes that closing lid specifically comprises thereby drive cellular phone flip:
Close when covering, according to an actuating signal (actuating signal of this cellular phone flip of slippaging also just the action that lid is closed in guide gently) of slippaging cellular phone flip, grounding wafer is separated with the metal contact of uncapping, the second level detection end level is uprised by low;
When CPU detected the position interrupt signal of this variation, the control Driver Circuit drive stepping motor turned clockwise, and covered the metal contact up to closing of He Gai position and contacted closed with grounding wafer, the first level detection end is by high step-down, after the certain time-delay, stop drive motors, close the lid action and finish.
In sum, clamshell phone provided by the utility model, utilize the suitable stepping motor of size to replace the rotating shaft spring, actuating force with stepping motor substitutes spring force, strength output is more level and smooth, automatically control realizes cellular phone flip, provides users with the convenient, and has prolonged useful life greatly.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (7)
1. a clamshell phone is characterized in that, comprising:
Be installed in the clamshell phone rotating shaft position, be used to drive the stepping motor that cellular phone flip opens and closes;
The drive circuit that is connected with described stepping motor, be used to drive described stepping motor rotation;
The CPU that is connected with described drive circuit, be used for controlling described drive circuit driving according to a position interrupt signal.
2. clamshell phone according to claim 1 is characterized in that, it comprises that also one that be connected with described stepping motor, as to be used for obtaining according to the rotation of described rotating shaft relevant position interrupt signal rotating shaft position confirms circuit.
3. clamshell phone according to claim 2 is characterized in that, described drive circuit adopts the dual H-bridge circuit, comprising: a H bridge circuit and the 2nd H bridge circuit;
A described H bridge circuit comprises first metal-oxide-semiconductor, second metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor; The G utmost point of described first metal-oxide-semiconductor and second metal-oxide-semiconductor is connected to the GPIO1 control end; The D utmost point of described first metal-oxide-semiconductor and second metal-oxide-semiconductor is connected to first power input of described stepping motor;
The G utmost point of described the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connected to the GPIO2 control end; The D utmost point of described the 3rd metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connected to the second source input of described stepping motor;
The S utmost point of described first metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor is connected to working power; The S utmost point of described second metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connected to reference to ground.
4. clamshell phone according to claim 3 is characterized in that, described the 2nd H bridge circuit comprises the 5th metal-oxide-semiconductor, the 6th metal-oxide-semiconductor, the 7th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor; The G utmost point of described the 5th metal-oxide-semiconductor and the 6th metal-oxide-semiconductor is connected to the GPIO3 control end; The D utmost point of described the 5th metal-oxide-semiconductor and the 6th metal-oxide-semiconductor is connected to the 3rd power input of described stepping motor;
The G of described the 7th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor is connected to the GPIO4 control end extremely jointly; The D utmost point of described the 7th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor links together and is connected to the 4th power input of described stepping motor;
The S of described the 5th metal-oxide-semiconductor and the 7th metal-oxide-semiconductor is connected to working power extremely jointly; The S of described the 6th metal-oxide-semiconductor and the 8th metal-oxide-semiconductor is connected to extremely jointly with reference to ground.
5. clamshell phone according to claim 4 is characterized in that, described drive circuit is connected to described CPU by described GPIO1 control end, GPIO2 control end, GPIO3 control end and GPIO4 control end.
6. clamshell phone according to claim 2 is characterized in that, described rotating shaft position confirms that circuit comprises:
Be arranged on the grounding wafer in the described rotating shaft;
When described cellular phone flip during in the He Gai position, the metal contact is covered in closing of contacting with grounding wafer in the described rotating shaft, and described closing covered the metal contact and be connected to working power by first resistance, and described closing covered the metal contact and also be connected with one first level detection end;
When described cellular phone flip when uncapping the position, the metal contact of uncapping that contacts with grounding wafer in the described rotating shaft, the described metal contact of uncapping is connected to working power by second resistance, the described metal contact of uncapping also is connected with one second level detection end;
Described rotating shaft position confirms that circuit obtains the relevant position interrupt signal by the described first level detection end and the second level detection end and is sent to described CPU.
7. clamshell phone according to claim 2 is characterized in that, described stepping motor adopts two-phase bipolarity winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205341211U CN201860352U (en) | 2010-09-17 | 2010-09-17 | Clamshell phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205341211U CN201860352U (en) | 2010-09-17 | 2010-09-17 | Clamshell phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201860352U true CN201860352U (en) | 2011-06-08 |
Family
ID=44106151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205341211U Expired - Fee Related CN201860352U (en) | 2010-09-17 | 2010-09-17 | Clamshell phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201860352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958944A (en) * | 2010-09-17 | 2011-01-26 | 惠州Tcl移动通信有限公司 | Flip mobile phone and implementing method thereof |
| CN109040377A (en) * | 2018-09-20 | 2018-12-18 | 维沃移动通信有限公司 | A kind of angle determines circuit, method and Folding screen terminal |
-
2010
- 2010-09-17 CN CN2010205341211U patent/CN201860352U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958944A (en) * | 2010-09-17 | 2011-01-26 | 惠州Tcl移动通信有限公司 | Flip mobile phone and implementing method thereof |
| CN101958944B (en) * | 2010-09-17 | 2013-10-02 | Tcl通讯（宁波）有限公司 | Flip mobile phone and implementing method thereof |
| CN109040377A (en) * | 2018-09-20 | 2018-12-18 | 维沃移动通信有限公司 | A kind of angle determines circuit, method and Folding screen terminal |
| US11706325B2 (en) | 2018-09-20 | 2023-07-18 | Vivo Mobile Communication Co., Ltd. | Angle determining circuit, angle determining method, and folding screen terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20130917 |