CN104183407B - A kind of expressway tol lcollection keyboard - Google Patents
A kind of expressway tol lcollection keyboard Download PDFInfo
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- CN104183407B CN104183407B CN201410365961.2A CN201410365961A CN104183407B CN 104183407 B CN104183407 B CN 104183407B CN 201410365961 A CN201410365961 A CN 201410365961A CN 104183407 B CN104183407 B CN 104183407B
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- upper shell
- shell cover
- keyboard
- base plate
- key body
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Abstract
The present invention relates to a kind of expressway tol lcollection keyboard, including key body, it is characterised in that: the external coupling of described key is arranged with housing, and described housing includes the upper shell cover covering on key body and the base plate matched with upper shell cover；Corresponding to the operating area on key body, described upper shell cover offers opening；Two medial walls of described upper shell cover are fixedly installed bracing frame for connecting, support described key body and base plate respectively.Support frame structure in this expressway tol lcollection keyboard makes to facilitate between upper shell cover and base plate, firmly connect, thus forming the space that a donating bond body is installed.Bracing frame all right connecting key body, wiring board easily simultaneously so that key body can be installed conveniently and solidly in housing.Therefore this bracing frame completes the fixing connection that keyboard is overall, compact conformation is reasonable, also as the supporting role that connects to key body of bracing frame makes that the keyboard of this structure is resistance to be beaten, it is possible to keep out operator and keyboard is firmly beaten.
Description
Technical field
The present invention relates to a kind of keyboard, particularly to a kind of keyboard for expressway tol lcollection machine.
Background technology
The money machine that on highway, charge station uses is a kind of money machine used in particular circumstances, and on highway, dust is big, electromagnetic interference strong, can also there is spray water simultaneously and enter the situation in charge chamber.Keyboard is as the vitals of money machine, because it uses environment, then that its structural requirement is very high, simply use common QWERTY keyboard to be difficult to accomplish the requirement such as water proof and dust proof, electromagnetism interference as the keyboard of expressway tol lcollection, also as its character not intuitively causes speed of operation slow and the situation appearance of maloperation.Authorization Notice No. is the dustproof waterproof keyboard disclosed in the Chinese utility model patent of CN201532610U (application number is 200920200690.X); and a kind of expressway tol lcollection machine keyboard special disclosed in the Chinese utility model patent that granted patent number is CN23299749 (application number is 201320310527.5), solve the problems such as above-mentioned water proof and dust proof, character be directly perceived, the protection of button respectively.
But, owing on highway, whole day is open to traffic, then the use frequency of keyboard is very high, the function of toll collection keyboard is more fixing simultaneously, the use maneuver of key is different with common keyboard, operator is often relatively larger to the dynamics of knocking of key, and it is very high to knock frequency, then be easy to the situation that keyboard damages occur.
Summary of the invention
The technical problem to be solved is to provide a kind of for above-mentioned prior art to install the expressway tol lcollection keyboard that simple and convenient, structure is connected firmly.
This invention address that the technical scheme that the problems referred to above adopt is: a kind of expressway tol lcollection keyboard, including key body, it is characterized in that: the external coupling of described key is arranged with housing, described housing includes the upper shell cover covering on key body and the base plate matched with upper shell cover；Corresponding to the operating area on key body, described upper shell cover offers opening；Two medial walls of described upper shell cover are fixedly installed bracing frame for connecting, support described key body and base plate respectively.
In order to prevent keyboard from sliding, the corner of described base plate bottom surface offering hole respectively, be equipped with slipmat in described hole, described slipmat is supported in the bottom of described base plate and described slipmat stretches to enclosure interior.
Described key body includes circuit board, the button being connected with described circuit board, described circuit board is provided with support plate, and on described support plate, the position of corresponding button offers key hole, described button is each passed through key hole and installs on circuit boards, described button also fastens and is provided with keycap.
In order to conveniently realize the connection of upper shell cover and base plate, shortest key body installation in housing simultaneously, support frame as described above includes fitting and is fixed on the frame plate of upper shell cover medial wall, the top edge of described frame plate forms the first connecting pin to the internal bending of upper shell cover, and the lower end of described frame plate forms the second connecting pin to the internal bending of upper shell cover；
Offering for the first screw connecting support plate on described first connecting pin, corresponding to the first screwhole position, on described support plate, coupling offers support plate installing hole, installs screw with retainingf key body and upper shell cover in support plate installing hole and the first screw；
Described second connecting pin offers the second screw for connecting bottom board, corresponding to described second screwhole position, described base plate has base plate installing hole, screw is installed in base plate installing hole and the second screw with fixing upper shell cover and base plate.
In order to sound construction is durable, can shielding electromagnetic interference, described housing, bracing frame, support plate all adopt metal material to make, and described frame plate is welded on described upper shell cover medial wall simultaneously.
In order to prevent deforming in keyboard key body entirety in life-time service process, increase the resistance to ability of knocking of keyboard simultaneously, being provided with pillar on the inner face of described base plate, described circuit board offers the pillar hole passed through for pillar, described pillar passes through to be butted on described support plate from pillar hole.
In order to accomplish the water proof and dust proof of keyboard, described support plate and covering on described button be provided with one layer can the film body of water proof and dust proof, described film body leaves the opening freely movable for contact at the contact position of button.
There is the situation faded or wear and tear in the font of the printing in order to prevent on keycap in life-time service, and strengthens protection button simultaneously, described keycap is also arranged with the translucent cover can being interlocked with described keycap；In order to prevent fee-collector's maloperation, described keycap periphery encloses and separately adds a protective frame.
In order to facilitate the connection of keyboard, suitable in multiple connected mode, described circuit board has PS/2 data-interface, usb data interface, 232 data-interfaces, described PS/2 data-interface, usb data interface, 232 data-interfaces are equipped with electromagnetic shielding device, corresponding to PS/2 data-interface, usb data interface, 232 data-interfaces, the side of described upper shell cover offers the string holes passed through for data connecting line.Also can enroll ad hoc sofeware program with singlechip chip, it is provided that so-called programmable keyboard, can arbitrarily set respectively by strong key and keyboard interface.
For the convenient duty showing keyboard, the convenient fault finding keyboard, described circuit board is connected to LED light, corresponding to the position of LED, described upper shell cover offers aperture.
Compared with prior art, it is an advantage of the current invention that: the support frame structure in this expressway tol lcollection keyboard makes to facilitate between upper shell cover and base plate, firmly connect, thus forming the space that a donating bond body is installed.The all right connecting key body easily of bracing frame simultaneously so that key body can be installed conveniently and solidly in housing.Therefore this bracing frame completes the fixing connection that keyboard is overall, compact conformation is reasonable, also as the connection supporting role to key body of bracing frame makes beaing of the keyboard height of the resistance to fee-collector dynamics of this structure, this expressway tol lcollection keyboard structure is ingenious, easy for installation, simple to operate and durable.
Accompanying drawing explanation
Fig. 1 is the isometric front view of embodiment of the present invention high speed highway toll keyboard.
Fig. 2 is the reverse side axonometric chart of embodiment of the present invention high speed highway toll keyboard.
Fig. 3 is the three-dimensional exploded view of embodiment of the present invention high speed highway toll keyboard.
Fig. 4 is the three-dimensional exploded view of button, keycap and translucent cover in the embodiment of the present invention.
Fig. 5 is the three-dimensional exploded view of another angle of button, keycap and translucent cover in the embodiment of the present invention.
Fig. 6 is the keycap schematic layout pattern of embodiment of the present invention high speed highway toll keyboard.
Fig. 7 is the button definition and layout figure corresponding with keycap layout in Fig. 6.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Fig. 1～Fig. 7, a kind of expressway tol lcollection keyboard in the present embodiment, including key body, described key body includes circuit board 41, the button 42 being connected with described circuit board 41, described circuit board 41 is provided with support plate 43, and on described support plate 43, the position of corresponding button 42 offers key hole 431, described button 42 is each passed through key hole 431 and is arranged on circuit board 41, and circuit board 41 also offers accommodating hole for fixing button 42 position accordingly.The side of support plate 43 can carry out being bent into a spike to be supported on circuit board 41, so that form space between support plate 43 and circuit board 41 to facilitate button 42 can correctly be seated on circuit board 41.
Described button 42 also fastens keycap 44 is installed.Wherein keycap 44 can select different colors and size according to different purposes, region or functional design, and keycap 44 can also be printed with the word of function prompt, and operate intuitive and convenient more.
There is the situation faded or wear and tear in the font of the printing in order to prevent on keycap 44 in life-time service, and described keycap 44 is also arranged with the translucent cover 46 can being interlocked with described keycap 44.In order to strengthen protection button 42, described keycap 44 periphery encloses and sets a protective frame 47, especially for having unique function, using the extra high keycap 44 of frequency.
In order to accomplish the water proof and dust proof of keyboard, described support plate 43 and described button 42 cover be provided with one layer can the film body 45 of water proof and dust proof, described film body 45 leaves the opening freely movable for contact at the contact position of button 42.The surrounding of film body 45 can form water storage ditch simultaneously, and aqua storage tank is formed at bottom, in case falling stop immerses conducting element to the water on film body 45, base plate 12 is provided with osculum 12-1 in the bottom of keyboard, can be discharged in time outside bottom keyboard by the hydrops in keyboard.
The external coupling of described key is arranged with housing 1, and described housing 1 includes the upper shell cover 11 covering on key body and the base plate 12 matched with upper shell cover 11.Corresponding to the operating area on key body, namely operation button 42 region, described upper shell cover 11 offers opening 111 and passes and protrude from accommodating button outside upper shell cover 11, facilitate button operation.Two medial walls of described upper shell cover 11 are fixedly installed bracing frame for connecting, support described key body and base plate 12 respectively.
Support frame as described above includes fitting and is fixed on the frame plate 23 of upper shell cover 11 medial wall, and the top edge of described frame plate 23 forms the first connecting pin 21 to the internal bending of upper shell cover 11, and the lower end of described frame plate 23 forms the second connecting pin 22 to the internal bending of upper shell cover 11.
Requirement according to space and each component spacings, the upper surface of described first connecting pin 21 can form suitable spacing from the upper surface of upper shell cover 11, so can there is suitable distance at support plate 43 apart from the upper end face of upper shell cover 11, make keycap have a suitable unified size from upper cover 11.
Described first connecting pin 21 offer for the first screw 211 connecting support plate 43, corresponding to the first screw 211 position, on described support plate 43, coupling offers support plate installing hole 432, installs screw with retainingf key body and upper shell cover 11 in support plate installing hole 432 and the first screw 211.
Described second connecting pin 22 offers the second screw 221 for connecting bottom board 12, corresponding to described second screw 221 position, described base plate 12 has base plate installing hole 121, screw is installed in base plate installing hole 121 and the second screw 221 with fixing upper shell cover 11 and base plate 12.
Described frame plate 23 can be arranged to suitable height, after making key body be installed to the first connecting pin 21, circuit board 41 is arranged on below support plate 43, then support plate 432 hole is arranged on the second connecting pin 21, make to form certain distance with circuit board 41 between base plate 12, it is to avoid the tin welding spot bottom circuit board 41 contacts with base plate 12.
Offering hole 51 respectively on the corner of described base plate 12 bottom surface, be equipped with slipmat 5 in described hole 51, described slipmat 5 is supported in the bottom of described base plate 12 and described slipmat 5 is stretched to the one end within housing 1 and is supported on described key body.Slipmat 5 had both been possible to prevent the slip between keyboard and placed side, simultaneously also as contacting of key body and base plate 12 is avoided in the supporting role of slipmat 5 further.
Being provided with pillar 3 on the inner face of described base plate 12, described circuit board 41 offers the pillar hole 411 passed through for pillar 3, described pillar 3 passes through to be butted on described support plate 43 from pillar hole 411.An insulated column fixed by the screw that this pillar 3 can be a traverse base plate, offers the hole passed through for screw on the face of base plate 12, and screw is butted on support plate 43 again through pillar hole 411 after passing through this hole and utilizing the nut of an insulator to be fixed on base plate 12.So utilizing the supporting role of pillar 3, knocking in process for a long time to keyboard, key body is overall due to stress equalization, is difficult to deform so that it is stronger that keyboard resistance to knocks impulsive force.Additionally, also play a supporting role for the space between circuit board 41 and base plate 12.This pillar 3 can also be symmetrical arranged two, is respectively distributed to the both sides at base plate 12 center.
Wherein upper shell cover 11, base plate 12, support plate 43 all use metal material to make, and described frame plate 23 is welded on described upper shell cover 11 medial wall.On the one hand, material comparatively robust is durable, and housing 1 can shield electromagnetic interference on the other hand.
In addition, in order to facilitate the connection of keyboard, keyboard is made to be applicable to multiple connected mode, described circuit board 41 has PS/2 data-interface, or usb data interface, 232 data-interfaces, described PS/2 data-interface, usb data interface, 232 data-interface import departments are also added with anti-electromagnetism, disturbance means, corresponding to PS/2 data-interface, usb data interface, 232 data-interfaces, the side of described upper shell cover 11 offers the string holes and seat 112 that supply data connecting line to pass through, need to arrange the data-interface of data-interface seat, then namely this string holes 112 is set to the hole with data-interface seat mating shapes to place data-interface seat.In keyboard signal transfer cable wire, it is surrounded by metal mesh shield and on cable sheath, installs filtering magnet ring additional, so can significantly avoid the interference of running automobile electric spark etc..
Circuit board 41 can be encoded and layout designs according to customer demand and designing requirement, this circuit board 41 is additionally provided with for the special circuit extending data line, so can so that the transmission range of data line reaches 6m, the requirement that expressway toll kiosk keyboard is bigger with main frame separating distance can be met, this circuit board is additionally provided with the circuit of the PS/2 mouth for equipment debugging and other interface blocks.
For the convenient duty showing keyboard, the convenient fault finding keyboard and power supply instruction, described circuit board 41 is connected to LED 48, corresponding to the position of LED 48, described upper shell cover 11 offers aperture 113 so that LED exposes outside housing 1.
Claims (10)
1. an expressway tol lcollection keyboard, including key body, it is characterized in that: the external coupling of described key is arranged with housing (1), described housing (1) includes the upper shell cover (11) covering on key body and the base plate (12) matched with upper shell cover (11)；Corresponding to the operating area on key body, described upper shell cover (11) offers opening (111)；Two medial walls of described upper shell cover (11) are fixedly installed respectively for connecting, support described key body and the bracing frame of base plate (12).
2. expressway tol lcollection keyboard according to claim 1, it is characterized in that: the corner of described base plate (12) bottom surface offers hole (51) respectively, being equipped with slipmat (5) in described hole (51), one end that described slipmat (5) is supported in the bottom of described base plate (12) and described slipmat (5) stretches to housing (1) internal is supported on described key body.
3. expressway tol lcollection keyboard according to claim 1, it is characterized in that: described key body includes circuit board (41), the button (42) being connected with described circuit board (41), described circuit board (41) is provided with support plate (43), the position of the upper corresponding button (42) of described support plate (43) offers key hole (431), described button (42) is each passed through key hole (431) and is arranged on circuit board (41), described button (42) is also equipped with keycap (44), keycap (44) fastens translucent cover (46).
4. expressway tol lcollection keyboard according to claim 3, it is characterized in that: support frame as described above includes laminating and is fixed on the frame plate (23) of upper shell cover (11) medial wall, the top edge of described frame plate (23) forms the first connecting pin (21) to the internal bending of upper shell cover (11), and the lower end of described frame plate (23) forms the second connecting pin (22) to the internal bending of upper shell cover (11)；
Described first connecting pin (21) offer for the first screw (211) connecting support plate (43), corresponding to the first screw (211) position, the upper coupling of described support plate (43) offers support plate installing hole (432), installs screw with retainingf key body and upper shell cover (11) in support plate installing hole (432) and the first screw (211)；
Described second connecting pin (22) offers the second screw (221) for connecting bottom board (12), corresponding to described second screw (221) position, described base plate (12) has base plate installing hole (121), screw is installed in base plate installing hole (121) and the second screw (221) with fixing upper shell cover (11) and base plate (12).
5. expressway tol lcollection keyboard according to claim 4, it is characterized in that: described housing (1), bracing frame, support plate (43) all adopt metal material to make, and described frame plate (23) is welded on described upper shell cover (11) medial wall.
6. expressway tol lcollection keyboard according to claim 3, it is characterized in that: the inner face of described base plate (12) is provided with pillar (3), offering the pillar hole (411) passed through for pillar (3) on described circuit board (41), described pillar (3) passes through to be butted on described support plate (43) from pillar hole (411).
7. expressway tol lcollection keyboard according to claim 3, it is characterized in that: described support plate (43) and described button (42) be upper cover be provided with one layer can the film body (45) of water proof and dust proof, described film body (45) leaves the opening freely movable for contact at the contact position of button (42).
8. expressway tol lcollection keyboard according to claim 3, it is characterised in that: described keycap (44) is also arranged with the translucent cover (46) can being interlocked with described keycap (44)；Described keycap (44) periphery encloses and sets a protective frame (47).
9. expressway tol lcollection keyboard according to claim 3, it is characterized in that: described circuit board (41) has PS/2 data-interface, usb data interface, 232 data-interfaces, described PS/2 data-interface, usb data interface, 232 data-interfaces are equipped with electromagnetic shielding device, corresponding to PS/2 data-interface, usb data interface, 232 data-interfaces, the side of described upper shell cover (11) offers the string holes (112) passed through for data connecting line.
10. expressway tol lcollection keyboard according to claim 3, it is characterized in that: described circuit board (41) is connected to LED (48), corresponding to the position of LED (48), described upper shell cover (11) offers aperture (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365961.2A CN104183407B (en) | 2014-07-29 | 2014-07-29 | A kind of expressway tol lcollection keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365961.2A CN104183407B (en) | 2014-07-29 | 2014-07-29 | A kind of expressway tol lcollection keyboard |
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| Publication Number | Publication Date |
|---|---|
| CN104183407A CN104183407A (en) | 2014-12-03 |
| CN104183407B true CN104183407B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410365961.2A Active CN104183407B (en) | 2014-07-29 | 2014-07-29 | A kind of expressway tol lcollection keyboard |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0822350A (en) * | 1994-07-08 | 1996-01-23 | Pfu Ltd | Tilt mechanism for keyboard surface |
| US6262883B1 (en) * | 1998-09-14 | 2001-07-17 | Samsung Electronics Co., Ltd. | Portable computer |
| CN201532610U (en) * | 2009-11-13 | 2010-07-21 | 高学才 | Dustproof waterproof keyboard |
| CN102890560A (en) * | 2011-07-22 | 2013-01-23 | 宏碁股份有限公司 | Keyboard module |
| CN203299749U (en) * | 2013-06-02 | 2013-11-20 | 广州腾浩电子科技有限公司 | Keyboard for freeway toll collector |
-
2014
- 2014-07-29 CN CN201410365961.2A patent/CN104183407B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0822350A (en) * | 1994-07-08 | 1996-01-23 | Pfu Ltd | Tilt mechanism for keyboard surface |
| US6262883B1 (en) * | 1998-09-14 | 2001-07-17 | Samsung Electronics Co., Ltd. | Portable computer |
| CN201532610U (en) * | 2009-11-13 | 2010-07-21 | 高学才 | Dustproof waterproof keyboard |
| CN102890560A (en) * | 2011-07-22 | 2013-01-23 | 宏碁股份有限公司 | Keyboard module |
| CN203299749U (en) * | 2013-06-02 | 2013-11-20 | 广州腾浩电子科技有限公司 | Keyboard for freeway toll collector |
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| Publication number | Publication date |
|---|---|
| CN104183407A (en) | 2014-12-03 |
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