CN105848019A - Mobile terminal equipment with closed housing structure - Google Patents

Abstract

The invention provides a mobile terminal device with a closed shell structure, which comprises a shell with an integrally closed structure, a touch screen arranged on the shell, and a terminal main board arranged between the shell and the touch screen and connected with the touch screen; the terminal mainboard is provided with a built-in SIM card module, an earphone module, a power supply module and a data transmission module, wherein the built-in SIM card module comprises a built-in SIM card, the earphone module comprises a non-plug-in earphone port, the power supply module comprises a non-plug-in charging port, and the data transmission module comprises a non-plug-in data transmission port; still be provided with the piezoceramics module on the terminal mainboard, the piezoceramics module includes piezoceramics speaker and piezoceramics microphone, and piezoceramics speaker and piezoceramics microphone all hug closely the inner wall of casing or seal the dress on the casing. The mobile terminal equipment with the closed shell structure can improve the attractiveness of the equipment and the waterproof performance of the equipment.

Description

Mobile terminal equipment with closed housing structure

technical field

The present invention relates to the technical field of mobile terminals, in particular to a mobile terminal device with a closed casing structure.

Background technique

With the development of electronic communication technology, mobile terminal devices such as mobile phones are more and more widely used in people's lives, and their impact on people's lives is also increasing. At the same time, with the continuous improvement of people's living standards, not only the performance requirements of the mobile terminal equipment are getting higher and higher, but also the appearance of the mobile terminal equipment is more and more important. In the traditional technology, in order to realize certain functions of the mobile terminal device, it is necessary to open a hole in its casing. For example, in order to install different SIM cards in mobile terminal settings such as mobile phones, a SIM card hole will be opened on the casing; for charging and data transmission, a USB hole will be opened on the casing; in order to make calls and send and receive voice messages conveniently , set earphone hole, speaker hole and MIC (microphone) hole etc. on the casing. However, these openings affect the aesthetics of the mobile terminal device, and also make it poor in waterproof performance.

Contents of the invention

Based on this, the present invention proposes a mobile terminal device with a closed casing structure, which can improve the aesthetics of the device and also improve the waterproof performance of the device.

Its technical scheme is as follows:

A mobile terminal device with a closed shell structure, comprising a shell set as an integral closed structure, a touch screen installed on the shell, and a touch screen arranged between the shell and the touch screen And the terminal motherboard connected with the touch screen; the terminal motherboard is provided with a built-in SIM card module, an earphone module, a power supply module and a data transmission module, and the built-in SIM card module includes a built-in SIM card, and the earphone module It includes a non-plug-in earphone port, the power module includes a non-plug-in charging port, and the data transmission module includes a non-plug-in data transmission port; the terminal motherboard is also provided with a piezoelectric ceramic module, and the piezoelectric ceramic module A piezoelectric ceramic speaker and a piezoelectric ceramic microphone are included, and the piezoelectric ceramic speaker and the piezoelectric ceramic microphone are both close to the inner wall of the housing or are hermetically embedded in the housing.

By setting a built-in SIM card module with a built-in SIM card on the terminal main board, the SIM card is directly built into the terminal main board, without opening a SIM card hole on the shell to install the SIM card. By setting an earphone module with a non-plug-in earphone port, the non-insert-type earphone port can be used to connect to an external earphone without opening an earphone jack on the shell, and the connection between the earphone and the mobile terminal device can be realized in a non-insert manner; through Set a power module with a non-plug-in charging port, without opening a USB charging hole or other types of charging holes on the housing, you can use the charging port to connect to an external power source, and realize the charging function in a non-plug-in manner; by setting a non-plug-in The data transmission module of the plug-in data transmission port can use the non-plug-in data transmission port to perform data transmission and exchange with other devices without opening a USB data hole or other types of data holes on the housing, and realize it in a non-plug-in manner Data exchange function; by setting a piezoelectric ceramic module with a piezoelectric ceramic speaker and a piezoelectric ceramic microphone, there is no need to open a speaker hole and a microphone hole on the housing, and the mechanical energy and electrical energy of the piezoelectric ceramic speaker and piezoelectric ceramic microphone are converted into each other The function can realize the playback and input of language information. In this way, there is no need to open various holes such as SIM card holes, USB holes, earphone holes, speaker holes, and microphone holes on the casing of the mobile terminal device, so that the shape of the casing is completely closed, and it is not easy to seep into dust or liquid and other sundries. , improve the dustproof and waterproof performance of the equipment, and also make the appearance of the whole equipment more beautiful.

Its further technical scheme is described below:

Further, the built-in SIM card is embedded in the built-in SIM card module, and the built-in SIM card is set as a blank SIM card or a preset number SIM card.

Further, the non-plug-in earphone port is arranged at one end of the inner wall of the casing, and the non-plug-in charging port is arranged at the other end of the inner wall of the casing or in the middle of the inner wall of the casing;

Moreover, both the non-plug-in earphone port and the non-plug-in charging port are configured as magnetic connection ports, and the magnetic connection ports are closely attached to the inner wall of the casing.

Further, an earphone port connection mark corresponding to the non-plug-in earphone port and a charging port connection mark corresponding to the non-plug-in charge port are respectively provided on the outer wall of the housing.

Further, the non-plug-in earphone port is set as a Bluetooth connection port.

Further, the data transmission module is configured as a Bluetooth data transmission module, or an infrared data transmission module, or an NFC data transmission module, or a WIFI data transmission module, and the non-plug-in data transmission port is correspondingly arranged on the housing The Bluetooth data transmission port on the inner wall side, or the infrared data transmission port, or the NFC data transmission port, or the WIFI data transmission port.

Further, the piezoelectric ceramic speaker and the piezoelectric ceramic microphone are respectively arranged at both ends of the housing, and the two ends of the housing are respectively provided with a speaker logo corresponding to the piezoelectric ceramic speaker and a Microphone identification corresponding to piezoelectric ceramic microphone.

Further, the piezoelectric ceramic speaker includes a first inner cover arranged inside the casing, a first bicrystalline piezoelectric ceramic sheet arranged between the first inner cover and the casing, and arranged on the The first elastic diaphragm between the casing and the first double-crystal piezoelectric ceramic sheet, the first elastic diaphragm and the first inner cover between the casing and the first double-crystal piezoelectric ceramic sheet A first vibrating cavity is arranged between them.

Further, the piezoelectric ceramic microphone includes a second inner cover disposed inside the housing, a second bicrystalline piezoelectric ceramic sheet disposed between the second inner cover and the housing, disposed on the The second elastic diaphragm between the casing and the second bimorph piezoelectric ceramic sheet, between the casing and the second bicrystalline piezoelectric ceramic sheet, the second elastic diaphragm and the second inner cover A second vibrating cavity is arranged between them.

Further, it also includes a fingerprint recognition module and a camera module which are hermetically embedded in the housing and connected to the terminal mainboard.

The present invention has the following prominent beneficial effects: there is no need to open various holes such as SIM card hole, USB hole, earphone hole, speaker hole and microphone hole on the casing of the mobile terminal device, so that the shape of the casing is closed and complete, and it is not easy to infiltrate Dust or liquid and other sundries improve the dustproof and waterproof performance of the device, and also make the appearance of the whole device more beautiful.

Description of drawings

Fig. 1 is a schematic structural block diagram of a mobile terminal device with a closed housing structure described in an embodiment of the present invention;

Fig. 2 is a schematic block diagram of the structure of the terminal mainboard of the mobile terminal device with a closed casing structure according to the embodiment of the present invention.

Explanation of reference signs:

100-shell, 200-terminal main board, 210-earphone module, 220-power supply module, 230-data transmission module, 240-piezoelectric ceramic speaker, 250-built-in SIM card module, 260-piezoelectric ceramic microphone, 300-touch control screen.

detailed description

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in FIG. 1 , a mobile terminal device with a closed casing structure includes a casing 100 configured as an integral closed structure, a touch screen 300 mounted on the casing 100, and a touch screen 300 mounted on the casing 100. The terminal board 200 is between the casing 100 and the touch screen 300 and connected to the touch screen 300 . The casing 100 of the mobile terminal device is set as an integral structure without openings, the touch screen 300 is tightly sealed and installed on the casing 100, and the terminal motherboard 200 is installed in the cavity formed by sealing the casing 100 and the touch screen 300 . The entire outer surface of the mobile terminal device has almost no or no opening structure, so that the device has good sealing performance, that is, has a good dustproof and waterproof function. Moreover, since there are no openings on the outer surface of the device, the appearance of the device is more beautiful.

As shown in FIG. 2 , the terminal main board 200 is provided with a built-in SIM card module 250 , and the built-in SIM card module 250 includes a built-in SIM card. By setting the built-in SIM card module 250 with a built-in SIM card on the terminal main board 200, the SIM card is directly built into the terminal main board 200, without opening a SIM card hole on the housing 100 to install the SIM card. Further, the built-in SIM card is embedded in the built-in SIM card module 250, and the built-in SIM card is set as a blank SIM card or a preset number SIM card. By setting a blank SIM card, it is convenient for the user to re-transfer and activate a new card, but the original SIM card number and related information will still be retained. By setting the preset number SIM card, the user can directly activate the new SIM card number. In the above two cases, the user does not need to insert the SIM card into the device from the outside of the device, and there is no need for a SIM card installation hole on the device casing.

Moreover, the terminal main board 200 is further provided with an earphone module 210, and the earphone module 210 includes a non-plug-in earphone port. By arranging the earphone module 210 with a non-plug-in earphone port, without providing an earphone jack on the housing 100, the non-plug-in earphone port can be used to connect to an external earphone, and the connection between the earphone and the mobile terminal device can be realized in a non-insert manner. .

In addition, the terminal main board 200 is further provided with a power module 220, and the power module 220 includes a non-plug-in charging port. By providing the power module 220 with a non-plug-in charging port, the charging port can be used to connect to an external power source without opening a USB charging hole or other types of charging holes on the casing 100 to realize the charging function in a non-plug-in manner.

Moreover, the non-plug-in earphone port is arranged at one end of the inner wall of the housing 100 , and the non-plug-in charging port is arranged at the other end of the inner wall of the housing 100 or in the middle of the inner wall of the housing 100 . That is to say, the non-plug-in earphone port and the non-plug-in charging port are respectively arranged at both ends of the housing 100, and the two are set separately, which is convenient for practical application, and also facilitates the arrangement and setting of internal modules to avoid interference. In addition, an earphone port connection mark corresponding to the non-plug-in earphone port and a charging port connection mark corresponding to the non-plug-in charge port are respectively provided on the outer wall of the housing 100 . By setting specific machine port connection marks and charging port connection marks, it is convenient for the user to find the corresponding non-plug-in earphone end and non-plug-in charging port, and it is convenient to connect the earphone and the charging power source, and is convenient to use.

Moreover, both the non-plug-in earphone port and the non-plug-in charging port can be configured as magnetic connection ports, and the magnetic connection ports are closely attached to the inner wall of the housing 100 . Make the mobile terminal device and the earphone or the external power supply form surface contact through magnetic force, that is, connect the earphone or the external power supply with magnetic force. In this way, it is convenient to tightly adsorb the earphone to the non-plug-in earphone port in the form of a magnetic connection port, so as to realize the non-plug-in earphone connection. It is also convenient to attach the external power supply to the non-plug-in charging port in the form of a magnetic connection port, so as to realize the non-plug-in external power supply connection and conveniently supply power without using a power cable. In addition, the non-plug-in earphone port can also be set as a Bluetooth connection port. That is, the Bluetooth headset realizes wireless connection with the mobile terminal device through the Bluetooth connection port, and there is no need to provide an earphone hole on the casing.

In addition, a data transmission module 230 is also provided on the terminal mainboard 200, and the data transmission module 230 includes a non-plug-in data transmission port. By setting the data transmission module 230 with a non-plug-in data transmission port, without opening a USB data hole or other types of data holes on the housing, the non-plug-in data transmission port can be used to perform data transmission and exchange with other devices, so as to The data exchange function is realized in a non-inserting way. Further, the data transmission module 230 is configured as a Bluetooth data transmission module, or an infrared data transmission module, or an NFC data transmission module, or a WIFI data transmission module, and the non-plug-in data transmission port is correspondingly arranged on the shell The Bluetooth data transmission port, or the infrared data transmission port, or the NFC data transmission port, or the WIFI data transmission port on the inner wall side of the body. In this way, wireless data transmission between the mobile terminal device and other devices can be realized through wireless connection methods such as Bluetooth connection, infrared connection, WIFI connection and NFC connection, without the need to open a USB data hole on the device shell to insert data Wired data transmission, convenient and simple.

In addition, the terminal motherboard 200 is also provided with a piezoelectric ceramic module, the piezoelectric ceramic module includes a piezoelectric ceramic speaker 240 and a piezoelectric ceramic microphone 260, and the piezoelectric ceramic speaker 240 and piezoelectric ceramic microphone 260 are both Closely attached to the inner wall of the housing 100 or sealed and embedded in the housing 100 . By arranging the piezoelectric ceramic module with the piezoelectric ceramic speaker 240 and the piezoelectric ceramic microphone 260, there is no need to provide a speaker hole and a microphone hole on the housing 100, and the interaction between the mechanical energy and the electrical energy of the piezoelectric ceramic speaker 240 and the piezoelectric ceramic microphone 260 is used. The function of conversion can realize the playback and input of language information. Moreover, the piezoelectric ceramic speaker 240 and the piezoelectric ceramic microphone 260 are respectively arranged at two ends of the housing 100, and the two ends of the housing 100 are respectively provided with speaker marks corresponding to the piezoelectric ceramic speaker 240. , a microphone identifier corresponding to the piezoelectric ceramic microphone 260 . In this way, it is convenient to input language information from one end of the mobile terminal device and output language information from the other end, the process of inputting language information and outputting language information of the device will not interfere, and it is convenient to use. Moreover, the piezoelectric ceramic speaker 240 and the piezoelectric ceramic microphone 260 can be arranged at both ends of the terminal main board 200, and the structural arrangement is reasonable and reliable.

Moreover, the piezoelectric ceramic speaker 240 includes a first inner cover disposed inside the housing 100, and a first bimorph piezoelectric ceramic sheet disposed between the first inner cover and the housing 100 is disposed on the The first elastic diaphragm between the housing 100 and the first double-crystal piezoelectric ceramic sheet, the first elastic diaphragm and the first double-crystal piezoelectric ceramic sheet between the housing and the first First vibrating chambers are arranged between the inner covers. The piezoelectric ceramic speaker 240 is an electro-acoustic transducer device that realizes electrical-mechanical-acoustic conversion through the inverse piezoelectric effect of the piezoelectric ceramic sheet. When the first bicrystalline piezoelectric ceramic sheet receives an audio voltage signal through its lead-out electrode, according to the inverse piezoelectric effect of the bicrystalline piezoelectric ceramic sheet, the first bicrystalline piezoelectric ceramic sheet will vibrate to generate sound waves, thereby making The first elastic diaphragm vibrates in the first vibration cavity to emit sound, so as to realize the output of audio signals.

Moreover, the piezoelectric ceramic microphone 260 includes a second inner cover disposed inside the housing 100, and a second bicrystalline piezoelectric ceramic sheet disposed between the second inner cover and the housing 100 is disposed on the The second elastic diaphragm between the housing 100 and the second double crystal piezoelectric ceramic sheet, between the housing and the second double crystal piezoelectric ceramic sheet, the second elastic diaphragm and the first A second vibration cavity is arranged between the two inner covers. The piezoelectric ceramic microphone 260 is an electroacoustic transducer device that realizes acoustic-mechanical-electrical conversion through the piezoelectric effect of the piezoelectric ceramic sheet. When the user makes a sound against the second vibration cavity, the second elastic diaphragm vibrates in the second vibration cavity to generate sound waves. Vibration will occur, so that the lead-out electrodes of the second bimorph piezoelectric ceramic sheet are connected to output audio voltage signals, so as to realize the input of audio signals.

In addition, the above-mentioned mobile terminal device with a closed shell structure further includes a fingerprint recognition module and a camera module that are hermetically embedded in the shell and connected to the terminal main board. In this way, the camera and fingerprint protection functions can be satisfied, and the functions are diversified to meet various needs. Moreover, by sealing and embedding the fingerprint recognition module and the camera module on the housing, good airtightness of the device housing can still be ensured.

In this way, the mobile terminal device provided by the present invention has a closed shell structure without opening various holes such as a SIM card hole, a USB hole, an earphone hole, a speaker hole, and a microphone hole on the shell of the mobile terminal device. The shape of the machine is completely closed, and it is not easy to penetrate dust or liquid and other sundries, which improves the dustproof and waterproof performance of the equipment, and also makes the appearance of the whole equipment more beautiful. Moreover, in this embodiment, the mobile terminal device may be a mobile phone or a tablet computer.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A mobile terminal device with a closed shell structure, characterized in that it comprises a shell set as an integral closed structure, a touch screen mounted on the shell, and a touch screen set on the shell A terminal main board connected between the touch screen and the touch screen; The terminal motherboard is provided with a built-in SIM card module, an earphone module, a power supply module and a data transmission module, and the built-in SIM card module includes a built-in SIM card, the earphone module includes a non-plug-in earphone port, and the power module includes a non-plug-in charging port, the data transfer module including a non-plug-in data transfer port; The terminal main board is also provided with a piezoelectric ceramic module, the piezoelectric ceramic module includes a piezoelectric ceramic speaker and a piezoelectric ceramic microphone, and the piezoelectric ceramic speaker and piezoelectric ceramic microphone are both attached to the housing The inner wall or seal is embedded on the housing. 2. The mobile terminal device with a closed shell structure according to claim 1, wherein the built-in SIM card is embedded in the built-in SIM card module, and the built-in SIM card is set as a blank SIM card or preset number SIM card. 3. The mobile terminal device with a closed shell structure according to claim 1, wherein the non-plug-in earphone port is set at one end of the inner wall of the shell, and the non-plug-in charging port is set at The other end of the inner wall of the housing or the middle part of the inner wall of the housing; Moreover, both the non-plug-in earphone port and the non-plug-in charging port are configured as magnetic connection ports, and the magnetic connection ports are closely attached to the inner wall of the casing. 4. The mobile terminal device with a closed housing structure according to claim 3, wherein the outer wall of the housing is respectively provided with an earphone port connection logo corresponding to the non-plug-in earphone port, and a The charging port connection identifier corresponding to the non-plug-in charging port. 5. The mobile terminal device with a closed shell structure according to claim 1, characterized in that, the non-plug-in earphone port is set as a Bluetooth connection port. 6. The mobile terminal device with a closed shell structure according to claim 1, wherein the data transmission module is set to a Bluetooth data transmission module, or an infrared data transmission module, or an NFC data transmission module, or a WIFI A data transmission module, and the non-plug-in data transmission port is a Bluetooth data transmission port, or an infrared data transmission port, or an NFC data transmission port, or a WIFI data transmission port that is correspondingly arranged on the inner wall side of the housing. 7. The mobile terminal device with a closed shell structure according to any one of claims 1-6, wherein the piezoelectric ceramic speaker and the piezoelectric ceramic microphone are respectively arranged at both ends of the shell , and the two ends of the housing are respectively provided with a speaker mark corresponding to the piezoelectric ceramic speaker and a microphone mark corresponding to the piezoelectric ceramic microphone. 8. The mobile terminal device with a closed shell structure according to claim 7, wherein the piezoelectric ceramic speaker comprises a first inner cover arranged inside the casing, and is arranged on the first inner cover. The first double-crystal piezoelectric ceramic sheet between the inner cover and the casing, the first elastic diaphragm arranged between the casing and the first double-crystal piezoelectric ceramic sheet, the casing and the first double-crystal piezoelectric ceramic sheet A first vibration cavity is provided between the piezoelectric ceramic sheets and between the first elastic diaphragm and the first inner cover. 9. The mobile terminal device with a closed shell structure according to claim 7, characterized in that, the piezoelectric ceramic microphone includes a second inner cover arranged inside the casing, and is arranged on the second inner cover. The second double-crystal piezoelectric ceramic sheet between the inner cover and the casing, the second elastic diaphragm arranged between the casing and the second double-crystal piezoelectric ceramic sheet, the casing and the second double-crystal piezoelectric ceramic sheet A second vibrating cavity is provided between the piezoelectric ceramic sheets and between the second elastic diaphragm and the second inner cover. 10 . The mobile terminal device with a closed shell structure according to claim 1 , further comprising a fingerprint recognition module and a camera module that are hermetically embedded in the shell and connected to the terminal main board. 11 .