CN106896875B - A kind of PDA equipment that can meet the harsh environment - Google Patents

Abstract

A PDA device capable of being used in harsh environments, comprising a front shell assembly, a rear shell assembly and a circuit board assembly, the front shell assembly includes a front shell, a touch panel and keys, and a display screen is provided on one side of the front shell The other side of the window is provided with a key waterproof groove. The touch panel is pasted on the front of the display window with waterproof glue. The buttons are made of plastic and silicon rubber injection molding. The shell assembly includes the rear shell and the battery compartment cover. The back of the rear shell is provided with a battery compartment for installing the battery. The battery compartment is surrounded by a battery compartment sealing groove. The battery compartment is fixed on the sealing groove of the battery compartment through a metal knob, and a battery compartment sealing strip for interference fit is arranged in the sealing groove of the battery compartment; the circuit board assembly includes a magnesium alloy main bracket, a capacitive screen and a circuit board, and the present invention can withstand 1.5 It is 1 meter high and can be dropped many times without problems, and it also has an IP65 protection level.

Description

A kind of PDA equipment that can meet the harsh environment

technical field

The invention relates to the technical field of PDA equipment with an Android system, in particular to a PDA equipment that can be used in harsh environments.

Background technique

With the continuous development of science and technology, the application of the Android system is more and more extensive. At present, not only the consumer field, but also the enterprise and industrial fields have an increasing demand for PDA devices with the Android system. However, the current PDA devices with the Android system have only considered consumer applications, and have not considered the requirements of relatively high protection levels for PDA devices with the Android system in the enterprise and industrial fields, so that most of the Android devices currently on the market The PDA devices of the system do not meet the durability requirements of enterprises and industrial fields, thereby greatly limiting the application limitations of the PDA devices with the Android system.

Contents of the invention

In order to solve the above-mentioned problems in the prior art, the present invention provides a PDA device capable of being used in harsh environments, which is resistant to 1.5 meters of drop and has an IP65 protection level.

In order to achieve the above object, the present invention provides a kind of PDA equipment that can satisfy harsh environments, including a front shell assembly, a rear shell assembly and a circuit board assembly, the front shell assembly includes a front shell, a touch panel and buttons, so One side of the front housing is provided with a display window, and the other side is provided with a key waterproof groove, the touch panel is pasted on the front of the display window with waterproof glue, and the keys are injection molded from plastic and silicon rubber , the button is set on the waterproof groove of the button from the side of the front casing; the rear casing assembly includes a rear casing and a battery compartment cover, the back of the rear casing is provided with a battery compartment for installing batteries, and the surroundings of the battery compartment are provided with There is a sealing groove for the battery compartment. A metal knob is provided on the side of the battery compartment. The battery compartment cover is buckled to cover the battery compartment and fixed on the sealing slot of the battery compartment through the metal knob. The sealing strip of the battery compartment of Yingying; the circuit board assembly includes a magnesium alloy main bracket, a capacitive screen and a circuit board. The contact points are provided with shockproof cotton, and the circuit board is fixed on the other side of the magnesium alloy main bracket; the front shell and the rear shell are both made of mixed injection molding of PC material and ABS material, and the circuit board assembly is fixed On the front case, the capacitive screen and the touch panel are bonded together; the rear case covers the circuit board assembly and is fastened and connected with the front case; There are waterproof sealing strips on the front and rear shells.

As a preferred solution of the present invention, tempered glass is attached to the surface of the touch panel, and the periphery of the tempered glass is pasted on the front casing with waterproof glue.

As a preferred solution of the present invention, the front housing is also provided with a lamp hole, a microphone hole and an earpiece hole, the lamp hole is covered with a silicone lampshade, and the microphone hole is sleeved with a The microphone is waterproof foam, and the earpiece hole is covered with earphone waterproof foam at the inner wall of the front housing.

As a preferred solution of the present invention, a slot is provided at the part where the rear case is fastened with the front case, and the waterproof sealing strip of the front and rear cases is installed in the slot.

As a preferred solution of the present invention, side interfaces and side keys are provided on the side of the rear case, and the side keys include a left key arranged on the left side of the rear case and a right key arranged on the right side of the rear case , the back side of the rear case is provided with a lanyard metal piece.

As a preferred solution of the present invention, the side key is assembled using a plastic key cap, a silicone waterproof pad and a decorative film, the silicone waterproof pad is installed on the side key installation hole on the inner wall of the rear case, and the plastic key cap Set on the silicone waterproof pad, the decorative film is attached to the plastic key cap and the silicone waterproof pad and pasted on the side outer wall of the rear case; the side interface is covered with a side interface silicone plug.

As a preferred solution of the present invention, the circuit board assembly also includes a scanning bracket provided with a scanning head, an antenna bracket and a horn, the scanning bracket and the antenna bracket are fixed on the magnesium alloy main bracket by screws, and the It is pasted on the magnesium alloy main bracket, and the scanning bracket, antenna bracket and horn are all electrically connected to the circuit board.

As a preferred solution of the present invention, both the scanning support and the antenna support are formed by mixed injection molding of PC material and ABS material.

The PDA device of the present invention that can satisfy harsh environments can achieve the following beneficial effects:

The PDA device of the present invention that can meet the requirements of harsh environments includes a front shell assembly, a rear shell assembly, and a circuit board assembly, the front shell assembly includes a front shell, a touch panel, and buttons, and one side of the front shell There is a display window, and the other side is provided with a key waterproof groove. The touch panel is pasted on the front of the display window with waterproof glue. The key is made of plastic and silicone rubber injection molding. Set on the key waterproof groove; the rear shell assembly includes a rear shell and a battery compartment cover, the back of the rear shell is provided with a battery compartment for installing batteries, and the battery compartment is surrounded by a battery compartment sealing groove, so The side of the battery compartment is provided with a metal knob, the battery compartment cover buckle covers the battery compartment and is fixed on the battery compartment sealing groove through the metal knob, and the battery compartment sealing strip for interference fit is provided in the battery compartment sealing groove The circuit board assembly includes a magnesium alloy main bracket, a capacitive screen and a circuit board. The capacitive screen is arranged on one side of the magnesium alloy main bracket, and shockproof cotton is provided on the periphery and back of the capacitive screen and at the contact with the magnesium alloy main bracket. , the circuit board is fixed on the other side of the magnesium alloy main bracket; the front shell and the rear shell are both made of mixed injection molding of PC material and ABS material, and the circuit board assembly is fixed on the front shell and the capacitor The screen and the touch panel are bonded together, the rear case covers the circuit board assembly and is fastened and connected with the front case, and the front case and the rear case are fastened with a front and rear case waterproof sealing strip , so that the magnesium alloy main bracket of the present invention has good strength and light weight, and because the front casing and the rear casing have high toughness and high stamping resistance characteristics, the PDA device has good structural stability and can withstand a height of 1.5 meters And there is no problem after falling for many times. In addition, the front case and the rear case of the present invention also have the protection level of IP65, which can be applied to various application scenarios with heavy dust and heavy rain.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of an exploded structure of an example of a PDA device that can be used in harsh environments according to the present invention.

The realization of the purpose, function and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

In the figure: 1. Touch panel, 2. Front case, 3. Capacitive screen, 4. Shockproof cotton, 5. Magnesium alloy main bracket, 6. Circuit board, 7. Waterproof sealing strip of front and rear case, 8. Back case Body, 9. Hanging rope metal parts, 10. Side interface silicone plug, 11. Metal knob, 12. Battery compartment sealing strip, 13. Battery compartment cover, 14. Decorative film, 15. Battery.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. Terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in the preferred embodiment are only for convenience of description, and are not used to limit the scope of the present invention. The scope of implementation and the change or adjustment of its relative relationship shall also be regarded as the scope of implementation of the present invention without substantive changes in technical content.

Fig. 1 is the exploded structure schematic diagram of an example that the present invention can satisfy the PDA equipment that severe environment is used to provide, as shown in Figure 1, can satisfy the PDA equipment that harsh environment is used, comprise front shell assembly, rear shell assembly and circuit board 6 assemblies , the front shell assembly includes a front shell 2, a touch panel 1 and buttons, one side of the front shell 2 is provided with a display screen window, and the other side is provided with a key waterproof groove, and the touch panel 1 adopts The waterproof glue is pasted on the front of the display screen window, the buttons are injection molded with plastic and silicon rubber, and the buttons are set on the button waterproof groove from the front casing 2 sides; the rear casing assembly includes the rear casing 8 and the battery compartment Cover 13, the back of the rear housing 8 is provided with a battery 15 compartment for installing the battery 15, a battery 15 compartment sealing groove is provided around the battery 15 compartment, and a metal knob 11 is provided on the side of the battery 15 compartment. The battery compartment cover 13 buckles to cover the battery compartment 15 and is fixed on the sealing groove of the battery compartment 15 through the metal knob 11, and the sealing groove of the battery compartment 15 is provided with a battery compartment sealing strip 12 for interference fit; the circuit board 6 assembly Including magnesium alloy main support 5, capacitive screen 3 and circuit board 6, described capacitive screen 3 is arranged on one side of magnesium alloy main support 5, and the surroundings and back of capacitive screen 3 and the contacts of magnesium alloy main support 5 are all provided with There is shockproof cotton 4, and the circuit board 6 is fixed on the other side of the magnesium alloy main bracket 5; the front shell 2 and the rear shell 8 are both injection molded by mixing PC material and ABS material, and the circuit board 6 The components are fixed on the front case 2 and the capacitive screen 3 is attached to the touch panel 1. The rear case 8 covers the circuit board 6 assembly and is fastened and connected with the front case 2, and the front case 2 is connected to the front case 2. The parts where the rear casings 8 are interlocked are provided with waterproof sealing strips 7 of the front and rear casings 8 .

In a specific implementation, tempered glass is attached to the surface of the touch panel 1 , and the periphery of the tempered glass is pasted on the front casing 2 with waterproof glue.

In specific implementation, the front housing 2 is also provided with a lamp hole, a microphone hole and an earpiece hole, the lamp hole is covered with a silicone lampshade, and the microphone hole is covered with a microphone Waterproof foam, the earpiece hole is covered with earphone waterproof foam at the inner wall of the front housing 2, so that the microphone hole and the earpiece hole not only have good waterproof performance, but also ensure the unimpeded transmission and reception of calls and voices .

In a specific implementation, a slot is provided at the part where the rear case 8 is engaged with the front case 2 , and the waterproof sealing strip 7 of the front and rear case 8 is installed in the slot.

In specific implementation, side interfaces and side keys are provided on the side of the rear case 8, and the side keys include a left key arranged on the left side of the rear case 8 and a right key arranged on the right side of the rear case 8 , the back side of the rear casing 8 is provided with a lanyard metal part 9, and the lanyard metal part 9 is locked on the rear casing 8 with screws, and cooperates with the lanyard hole at the bottom of the rear casing 8. After the lanyard is assembled, the Forms a functional piece for a lanyard that is comfortable to hold and easy to use.

In specific implementation, the side keys are assembled using a plastic key cap, a silicone waterproof pad and a decorative film 14. Set on the silicone waterproof pad, the decorative film 14 is attached to the plastic key cap and the silicone waterproof pad and pasted on the side outer wall of the rear shell 8; the side interface is covered with a side interface silicone plug 10 .

In specific implementation, the circuit board 6 assembly also includes a scanning bracket provided with a scanning head, an antenna bracket and a horn, and the scanning bracket and the antenna bracket are fixed on the magnesium alloy main bracket 5 by screws, and the horn is glued on the back. It is pasted on the magnesium alloy main bracket 5 , and the scanning bracket, the antenna bracket and the horn are all electrically connected with the circuit board 6 . Both the scanning support and the antenna support are formed by mixed injection molding of PC material and ABS material.

In order to allow those skilled in the art to better understand and realize the technical solution of the present invention, the technical solution of the present invention and the beneficial effects brought by it are specifically described below through examples.

The front shell 2 and the rear shell 8 are processed by the injection molding process of PC material and ABS material. The high toughness and high stamping characteristics of the mixed material can solve the problem of PDA equipment falling freely from as high as 1.5 without causing damage to the whole machine. damage.

The magnesium alloy material of the magnesium alloy main bracket 5 has excellent performance, so that the magnesium alloy main bracket 5 has good strength and light weight. The main function of the magnesium alloy main bracket 5 is to support the circuit board 6 and the touch panel 1, and the touch panel 1 around and the upper and lower sides of the magnesium alloy main bracket 5 and the front housing 2 are all fixed with shock-proof foam, which improves the shock-proof and drop-proof performance of the touch panel 1, so that it can ensure that the touch screen does not fall. In addition, the circuit board 6 is locked on the magnesium alloy main bracket 5 with six M1.4 screws, so that the magnesium alloy main bracket 5 has good firmness and stability in installation, and at the same time, the scanning head bracket and the antenna bracket are both The plastic bracket of PC material plus ABS material is also used to fix on the magnesium alloy main bracket 5 to form a whole, and realize a reliable and firm circuit board 6 assembly structurally.

The side buttons on both sides of the rear housing 8 are assembled with plastic key caps, silicone waterproof pads and decorative film 14, and are tightly attached to the side walls of the rear housing 8 by utilizing the compressibility of the silicone waterproof pads, and then covered with plastic on the outside. Finally, the decorative film 14 is attached to the plastic key cap and the silicone waterproof pad by hot-sticking technology, so that the side key can make use of the elasticity of the silicone to make a good feel, and it can perfectly solve the waterproof problem of the side key. Simultaneously, the side interface also adopts the form of silica gel to cooperate with plastics, and the elastic wall of the side interface silica gel plug 10 can prevent the infiltration of water and can also be used conveniently.

The battery compartment cover 13 is fixed with a metal knob 11, and the battery compartment cover 13 is tightly pressed against the battery compartment 15 by the interference fit of the battery compartment sealing strip 12, which can prevent the battery compartment 15 from entering water and ensure that the battery compartment cover 13 is easy to assemble and disassemble. In the actual assembly process, the metal knob 11 is also covered with a waterproof ring, and the screws are locked with gaskets from the inside of the rear shell 8, so as to ensure the smooth rotation of the metal knob 11 and to tightly press the battery compartment cover 13. role. The battery compartment sealing strip 12 is installed in the reserved sealing groove of the rear housing 8. After the battery compartment cover 13 is buckled, it is locked by the metal knob 11, so that the entire battery compartment 15 forms a sealed cavity.

The assembly of each component is described in detail below:

The assembly of the front shell assembly is as follows: the buttons are installed from the inside of the front shell 2 to the outside, the silicone lampshade, the waterproof foam of the microphone and the waterproof foam of the earpiece are pasted in the slot reserved for the front shell 2, and the touch panel 1 and the tempered glass are waterproofed. The glue is pasted on the display window of the front housing 2 in turn.

The rear case assembly is assembled as follows: Put the front and rear case 8 waterproof sealing strips 7 into the reserved sealing groove of the rear case, put the plastic key caps of the left and right keys on the silicone waterproof pad, and insert them from the rear case 8 side. The wall is put into the shell, and the decorative film 14 is pasted on the outside by hot-sticking technology. The side interface silicone plug 10 of the side interface is buckled on the reserved hole of the rear shell 8, and a gap of 0.1mm is reserved for fit. , easy to use and secure when snapped on. The battery 15 sealing strip is installed in the battery 15 compartment sealing groove reserved for the battery 15 compartment. When the battery compartment cover 13 is covered, there is a certain amount of interference, and it is locked with a metal rotation, so as to achieve tight matching, waterproof and waterproof. Comes off when dropped.

The magnesium alloy main bracket 5 is assembled as follows: the anti-shock foam around the display screen is glued to the surroundings of the magnesium alloy main bracket 5 by adhesive, and the anti-shock foam is pasted on the back of the display screen, so as to ensure that the display screen can be intact when dropped lossless. Utilize the screw hole on the magnesium alloy main support 5 again, circuit board 6 is fixed on the magnesium alloy main support 5, utilize the screw hole on the magnesium alloy main support 5 to scan support, antenna support simultaneously and lock, make whole circuit board 6 connected into a whole.

The complete assembly of the whole machine is as follows: fix the magnesium alloy main bracket 5 to the front shell assembly, install the front and rear shell sealing strips on the rear shell 8, then cover the rear shell assembly and lock it with screws, so as to ensure the sealing strip The tightness can meet the protection requirements of IP65, and it can also resist multiple free drops of 1.5 meters without damage.

Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and various changes or modifications can be made to the embodiments without departing from the principle and essence of the present invention. The scope of protection is limited only by the appended claims.

Claims (8)

1. A kind of PDA equipment that can meet harsh environment use is characterized in that, comprises front shell assembly, back shell assembly and circuit board assembly, and described front shell assembly includes front shell, touch pad and button, and described front shell One side of the body is provided with a display window, and the other side is provided with a key waterproof groove. The touch panel is pasted on the front of the display window with waterproof glue. The shell side is set on the button waterproof groove; the rear shell assembly includes a rear shell and a battery compartment cover, the back of the rear shell is provided with a battery compartment for installing batteries, and the battery compartment is surrounded by a battery compartment Sealing groove, the side of the battery compartment is provided with a metal knob, the battery compartment cover buckle covers the battery compartment and is fixed on the sealing groove of the battery compartment through the metal knob, and the sealing groove of the battery compartment is provided with a Battery compartment sealing strip; the circuit board assembly includes a magnesium alloy main bracket, a capacitive screen and a circuit board. Equipped with shockproof cotton, the circuit board is fixed on the other side of the magnesium alloy main bracket; the front shell and the rear shell are both made of mixed injection molding of PC material and ABS material, and the circuit board assembly is fixed on the front shell On the body and the capacitive screen and the touch panel are bonded together, the rear case covers the circuit board assembly and is fastened and connected with the front case, and the front case and the rear case are fastened with a front and rear case Body waterproof seal. 2. according to claim 1, can meet the PDA equipment used in harsh environments, it is characterized in that, the surface of the touch panel is also attached with toughened glass, and the four sides of the toughened glass are pasted on the front shell with waterproof glue physically. 3. The PDA device capable of being used in harsh environments according to claim 2, characterized in that, the front housing is also provided with a lamp hole, a microphone hole and an earpiece hole, and the lamp hole is covered with a silicone lampshade , the microphone hole is sheathed with microphone waterproof foam at the inner wall of the front housing, and the earpiece hole is sheathed with earpiece waterproof foam at the inner wall of the front housing. 4. The PDA device capable of being used in harsh environments according to claim 3, characterized in that, a snap-in slot is provided at the position where the rear housing and the front housing are engaged, and the waterproof sealing strip of the front and rear housings Installed in the card slot. 5. according to claim 4, can satisfy the PDA equipment that harsh environment is used, it is characterized in that, the side of described rear case is provided with side interface and side key, and described side key comprises that is arranged on the left side of rear case The left key and the right key are arranged on the right side of the rear case, and the back side of the rear case is provided with a lanyard metal piece. 6. The PDA device capable of being used in harsh environments according to claim 5, wherein the side keys are assembled with plastic key caps, silicone waterproof pads and decorative films, and the silicone waterproof pads are installed on the back shell The side key installation opening on the inner wall of the body, the plastic key cap is set on the silicone waterproof pad, the decorative film is attached to the plastic key cap and the silicone waterproof pad and pasted on the side outer wall of the rear shell; the side The interface is covered with a side interface silicone plug. 7. according to the PDA equipment that can meet harsh environment use according to claim 6, it is characterized in that, described circuit board assembly also comprises the scanning bracket that is provided with scanning head, antenna bracket and loudspeaker, described scanning bracket and antenna bracket all Screws are used to fix the magnesium alloy main bracket, and the horn is pasted on the magnesium alloy main bracket with adhesive, and the scanning bracket, the antenna bracket and the horn are all electrically connected to the circuit board. 8 . The PDA device capable of being used in harsh environments according to claim 7 , wherein the scanning support and the antenna support are both formed by mixed injection molding of PC material and ABS material.

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