CN202735901U - Personal digital assistant (PDA) with extension function - Google Patents
Personal digital assistant (PDA) with extension function Download PDFInfo
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- CN202735901U CN202735901U CN 201220342594 CN201220342594U CN202735901U CN 202735901 U CN202735901 U CN 202735901U CN 201220342594 CN201220342594 CN 201220342594 CN 201220342594 U CN201220342594 U CN 201220342594U CN 202735901 U CN202735901 U CN 202735901U
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- pda
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Abstract
The utility model discloses a personal digital assistant (PDA) with an extension function, and the PDA comprises a PDA body and extension equipment; and the extension equipment is externally arranged on the PDA body. A battery and a control main board are arranged in the PDA body. A first interface and a second interface for conduction are respectively arranged on both opposite end surfaces of the battery, and the first interface and the second interface are connected through a conductive device in the battery. A microprocessor is arranged in the extension equipment, the microprocessor is connected with the first interface of the battery, the control main board of the PDA body is connected with the second interface of the battery, and the microprocessor and the control main board of the PDA body are in serial port communication through the conductive device in the battery. The PDA with the extension function is not limited to the internal space of the PDA and does not affect the neat layout of internal lines of the PDA, and contacts between the extension equipment and the PDA are not exposed. Different accessories can be supplied according to the needs of customers, so that the operation is more flexible.
Description
Technical field
The utility model relates to mobile intelligent terminal PDA, relates in particular to a kind of PDA with expanded function.
Background technology
PDA (Personal Digital Assistant) claims again palm PC, has concentrated calculating, phone, and fax, and the several functions such as network can help us to finish the work in movement, study and amusement etc.Existing PDA manufacturer need to add at the back side of PDA some accessories in order to increase the function of PDA, and the control chip by the inner mainboard control fitting of PDA is to reach the purpose of expansion PDA function.The control chip of the peripheral hardware accessory of the upper setting of PDA links to each other by control line with the inner mainboard of PDA, when control line is more, affects the aesthetic property of the inner cabling of PDA.And when the limited space of PDA inside, then can owing to connecting line lay nowhere and so that accessory can't install, thereby can't expand the function of PDA.
As from the foregoing, being necessary to provide a kind of is not subject to the PDA inner space and does not affect the inner cabling of the PDA PDA that just can realize expanded function attractive in appearance.
The utility model content
The purpose of this utility model has provided and a kind ofly has not been subject to the PDA inner space and does not affect the inner cabling of the PDA PDA that just can realize expanded function attractive in appearance.
The purpose of this utility model is achieved through the following technical solutions: a kind of PDA with expanded function, comprise PDA and expansion equipment, and described expansion equipment is located at outward on the PDA, and described PDA inside comprises battery and control mainboard, it is characterized in that,
Be respectively equipped with first interface and the second interface for conduction on two relative end faces of described battery, described first interface be connected the electric installation of interface by inside battery and connect;
Described expansion equipment inside is provided with microprocessor, described microprocessor is connected with described first interface, the control mainboard of described PDA is connected with described the second interface, and the control mainboard of described microprocessor and described PDA is realized serial communication by the electric installation of described inside battery.
Adopt the I2C bus to carry out communication between the control mainboard of described microprocessor and described PDA.
Adopt the RS485 interface to carry out communication between the control mainboard of described microprocessor and described PDA.
Described first interface comprises first, second contact, and be arranged at the front of battery, described the second interface comprises the 3rd, the 4th contact, and be arranged at the back side of battery, the transmission that transmits between the control mainboard for described microprocessor and described PDA of described the first contact and the 3rd contact, described the second contact and the 4th contact are for the transmission that receives signal between the control mainboard of described microprocessor and described PDA.
Described first interface also comprises the 5th, the 6th contact, described the second interface also comprises the 7th, the 8th contact, described the 5th contact and the 7th contact are for the transmission of power supply signal between the control mainboard of described microprocessor and described PDA, and described the 6th contact and the 8th contact are for the transmission of earth signal between the control mainboard of described microprocessor and described PDA.
Wire installation in the described battery is wire or scale copper.
The thickness of described scale copper is 0.1～0.3mm.
Described expansion equipment can be the accessories such as POS card reader, scanner head, printer or card of surfing Internet.
By above technical scheme as can be known, in the equipment of required expansion, microprocessor is set, then realizes information interaction by serial communication protocol between the microprocessor in the expansion equipment and the PDA control mainboard.Realize that microprocessor and PDA control that to communicate by letter between the mainboard then be first interface and the second interface by being arranged at the battery pros and cons.First interface be connected interface and connect by the wire that is arranged in the battery.Because pilot is arranged in the battery, therefore do not need extra connector just can realize communicating by letter between PDA and the expansion equipment, be not subject to the PDA inner space and do not affect the inner cabling of PDA attractive in appearance, does not expose the contact between expansion equipment and the PDA, realizes that three is anti-.And peripheral hardware can be removed to control with PDA in the contact of battery front side of the present utility model, realizes the function that PDA itself does not have.Because the utility model can add different expansion equipments at PDA, therefore the function of PDA own is simplified, can supply with different accessories according to different customer demands, make operation more flexible.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art.Apparently, the accompanying drawing in below describing only is embodiment more of the present utility model, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 shows the structural representation of embodiment 1;
Fig. 2 shows the Facad structure synoptic diagram of battery among the embodiment 1;
Fig. 3 shows the structure synoptic diagram of battery among the embodiment 1;
Fig. 4 shows the structural principle block diagram between PDA and the expansion equipment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
Embodiment 1:
According to embodiments of the invention, a kind of PDA with expanded function is provided, Fig. 1 shows the structural representation of the PDA with expanded function.As shown in Figure 1, comprise PDA and expansion equipment 1, expansion equipment 1 outer being located on the PDA.PDA inside comprises battery 2 and control mainboard 3.Fig. 2 and Fig. 3 show the positive and negative structural representation of the battery 2 of PDA, and as shown in Figure 2, the front of battery 2 is provided with first interface 4, and as shown in Figure 3, the back side of battery 2 is provided with the second interface 5 and is used to the seat of battery 2 chargings to fill interface 6.First interface 4 be connected the interface 5 electric installation (not shown) by battery 2 inside and connect.Electric installation is wire or scale copper in the present embodiment, if adopt scale copper, then the thickness of copper sheet is 0.1～0.3mm.The preferred 0.2mm. of the thickness of copper sheet in the present embodiment
Fig. 4 shows the structural principle block diagram between PDA and the expansion equipment 1.As shown in Figure 4, expansion equipment 1 inside is provided with microprocessor 7, the microprocessor 7 of expansion equipment 1 inside is connected with the first interface 4 of battery 2, the control mainboard 3 of PDA is connected with the second interface 5 of battery 2, and microprocessor 7 adopts I2C bus or RS485 interface also to realize serial communication by the electric installation of battery 2 inside with the control mainboard 3 of PDA.The first interface 4 of battery 2 comprises the first contact 41 and the second contact 42.The second interface 5 comprises the 3rd contact 51 and the 4th contact 52.The transmission that transmits between the first contact 41 and the 3rd control mainboard 3 of contact 51 for microprocessor 7 and PDA; The second contact 42 and the 4th contact 52 are for the transmission that receives signal between the control mainboard 3 of microprocessor 7 and PDA.
The below is described in detail installation process of the present utility model and principle of work.
The joint of the control mainboard 3 of the PDA in the utility model contacts with the contact of battery 2 back sides the second interface 5.When needs when PDA installs other accessories and carries out Function Extension, the joint that only need will be built-in with the accessory (such as POS card reader, scanner head, printer or card of surfing Internet etc.) of microprocessor 7 contacts with corresponding contact in battery 2 positive the first joints, just can realize the installation of accessory.
After accessory was installed on PDA, the contact of PDA control mainboard 3 contacted with the 4th contact 52 with the 3rd contact 51 of battery 2, and the contact of accessory contacts with the second contact 42 with the first contact 41.The first contact 41 and the 3rd contact 51 by battery 2 inside wire or the control mainboard 3 of the scale copper microprocessor 7 of realizing accessory and PDA between the transmission that transmits.The transmission of reception signal between the microprocessor 7 that the second contact 42 and the 4th contact 52 are used for accessory and the control mainboard 3 of PDA.Thereby realize the control of 3 pairs of accessory microprocessors 7 of PDA control mainboard.
Because pilot is arranged in the battery 2, therefore do not need extra connector just can realize communicating by letter between PDA and the expansion equipment 1, and the contact between expansion equipment 1 and the PDA do not expose, realize that three prevent.And this city uses the contact at battery 2 back sides in the heart not only can remove to control peripheral hardware with PDA, realizes the function that PDA itself does not have, and can also charge.Because the utility model can add different expansion equipment 1 at PDA, therefore the function of PDA own is simplified, can supply with different accessories according to different customer demands, make operation more flexible.
Embodiment 2:
The structure basic simlarity of embodiment 2 and embodiment 1, its difference is that the first interface 4 in battery 2 fronts also comprises the 5th contact 43 and the 6th contact 44, second interface 5 at the back side also comprises the 7th contact 53 and the 8th contact 54.When the contact of accessory is connected with the second contact of battery 2, the 5th contact 43 that is connected with accessory microprocessor 7 and the 7th contact 53 that is connected with PDA control mainboard 3 are used for the transmission of power supply signal between accessory microprocessor 7 and the PDA control mainboard 3, the 6th contact 44 that is connected with accessory microprocessor 7 and control the 8th contact 54 that mainboard 3 is connected for the transmission of earth signal between the control mainboard 3 of accessory microprocessor 7 and PDA with PDA.
By above technical scheme as can be known, be arranged in the battery 2 with the pilot that PDA controls mainboard 3 owing to connect the microprocessor 7 of expansion equipment 1, therefore do not need extra connector just can realize realizing information interaction by serial communication protocol between PDA and the expansion equipment 1.Be not subject to the PDA inner space and do not affect the inner cabling of PDA attractive in appearance, the contact between expansion equipment 1 and the PDA is not exposed, realize that three is anti-.And peripheral hardware not only can be removed to control with PDA in the contact in 2 fronts of the battery in the utility model, realizes the function that PDA itself does not have, and the seat in its front fills interface 6 can also be realized battery 2 chargings.Because the utility model can add different expansion equipment 1 at PDA, therefore the function of PDA own is simplified, can supply with different accessories according to different customer demands, make operation more flexible.
The above is preferred embodiment of the present utility model only, is not be used to limiting protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. the PDA with expanded function comprises PDA and expansion equipment, and described expansion equipment is located at outward on the PDA, and described PDA inside comprises battery and control mainboard, it is characterized in that,
Be respectively equipped with first interface and the second interface for conduction on two relative end faces of described battery, described first interface be connected the electric installation of interface by inside battery and connect;
Described expansion equipment inside is provided with microprocessor, described microprocessor is connected with the first interface of described battery, the control mainboard of described PDA is connected with the second interface of described battery, and the control mainboard of described microprocessor and described PDA is realized serial communication by the electric installation of described inside battery.
2. the PDA with expanded function as claimed in claim 1 wherein, adopts the I2C bus to carry out communication between the control mainboard of described microprocessor and described PDA.
3. the PDA with expanded function as claimed in claim 1 wherein, adopts the RS485 interface to carry out communication between the control mainboard of described microprocessor and described PDA.
4. the PDA with expanded function as claimed in claim 1, wherein, described first interface comprises first, second contact, and be arranged at the front of battery, described the second interface comprises the 3rd, the 4th contact, and be arranged at the back side of battery, and described the first contact and the 3rd contact are used for the transmission that transmits between the control mainboard of described microprocessor and described PDA, and described the second contact and the 4th contact are used for the transmission of reception signal between the control mainboard of described microprocessor and described PDA.
5. the PDA with expanded function as claimed in claim 4, wherein, described first interface also comprises the 5th, the 6th contact, described the second interface also comprises the 7th, the 8th contact, described the 5th contact and the 7th contact are for the transmission of power supply signal between the control mainboard of described microprocessor and described PDA, and described the 6th contact and the 8th contact are for the transmission of earth signal between the control mainboard of described microprocessor and described PDA.
6. the PDA with expanded function as claimed in claim 1, wherein, the wire installation in the described battery is wire or scale copper.
7. the PDA with expanded function as claimed in claim 6, wherein, the thickness of described scale copper is 0.1～0.3mm.
8. such as the described PDA with expanded function of one of claim 1 to 7, wherein, described expansion equipment can be the accessories such as POS card reader, scanner head, printer or card of surfing Internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342594 CN202735901U (en) | 2012-07-13 | 2012-07-13 | Personal digital assistant (PDA) with extension function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342594 CN202735901U (en) | 2012-07-13 | 2012-07-13 | Personal digital assistant (PDA) with extension function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735901U true CN202735901U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342594 Expired - Fee Related CN202735901U (en) | 2012-07-13 | 2012-07-13 | Personal digital assistant (PDA) with extension function |
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| Country | Link |
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| CN (1) | CN202735901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538702A (en) * | 2014-12-30 | 2015-04-22 | 福建联迪商用设备有限公司 | Device for improving performance of lithium ion battery |
-
2012
- 2012-07-13 CN CN 201220342594 patent/CN202735901U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538702A (en) * | 2014-12-30 | 2015-04-22 | 福建联迪商用设备有限公司 | Device for improving performance of lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151230 Address after: 101300, Room 401, building 2, building 1, Golden Road, Beijing, Shunyi District (Tianzhu comprehensive bonded area, -031) Patentee after: Beijing culture science and technology finance leasing Limited by Share Ltd Address before: 100124 Beijing city Chaoyang District Baiziwan Road, No. 32 Hospital of Apple community 3 building A room 311 Patentee before: BEIJING QINENG WANWEI TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20180713 |