CN202585199U - Keypad - Google Patents
Keypad Download PDFInfo
- Publication number
- CN202585199U CN202585199U CN 201220241112 CN201220241112U CN202585199U CN 202585199 U CN202585199 U CN 202585199U CN 201220241112 CN201220241112 CN 201220241112 CN 201220241112 U CN201220241112 U CN 201220241112U CN 202585199 U CN202585199 U CN 202585199U
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- China
- Prior art keywords
- button
- keypad
- circuit board
- installation panel
- installation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a keypad. The keypad includes keys (5), a key signal input device (6), a lower installation face board, an upper installation face board having an opening (4), a key circuit board (7) and an installation guide post (10). The keys (5) are connected with a signal input terminal of the key signal input device (6). The key signal input device (6) is welded on the key circuit board (7) and contacts with key input contacts on the key circuit board (7) electrically. The key circuit board (7) is arranged on the upper surface of the lower installation face board and connected with the upper installation face board fixedly through the installation guide post (10). The keys (5) are embedded in the opening (4) of the upper installation face board. The keypad provided by the utility model has high anti-bending strength and high reliability.
Description
Technical field
The utility model relates to engineering machinery, particularly, relates to a kind of keypad that is used for the push button signalling input of engineering machinery.
Background technology
In order to realize the operation control of operating personnel to engineering machinery; Existing engineering machinery; For example sub-base grader, excavator, cutting machine etc.; Be provided with keypad, said keypad is through will directly being welded on the button circuit board as the touch-switch of button, uses oak post and screw that button circuit board is fixed on then to form on the installation panel of engineering machinery.The bending strength of existing keypad is not high, reduces the reliability of button operation easily.
The utility model content
The purpose of the utility model provides a kind of keypad, can solve the not high problem of keypad bending strength of existing engineering machinery.
To achieve these goals; The utility model provides a kind of keypad; This keypad comprises button, push button signalling input unit, following installation panel, the last installation panel with opening, button circuit board and guide pillar is installed; Said button is fixedly connected with the signal input part of said push button signalling input unit; Said push button signalling input unit is welded on the said button circuit board and electrically contacts with button input contact on the said button circuit board; Said button circuit board is arranged on the said upper surface of installation panel down, and is fixedly connected with the said installation panel of going up through said installation guide pillar, and said button is embedded in the said opening of said upward installation panel.
In the keypad that the utility model provides; Said button circuit board is arranged on the said upper surface of installation panel down; And be fixedly connected with the said installation panel of going up through said installation guide pillar; Last installation panel and following installation panel the bending strength that has improved keypad is set, make that the operating reliability of keypad is higher.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the keypad that provides of the utility model.
Description of reference numerals
4 openings, 5 buttons
6 push button signalling input units, 7 button circuit boards
10 install 18 times hard laminates of guide pillar
19 lower insulation plates
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
The utility model provides a kind of keypad; As shown in Figure 1; This keypad comprises button 5, push button signalling input unit 6, following installation panel, the last installation panel with opening 4, button circuit board 7 and guide pillar 10 is installed; Said button 5 is the conduction button; Said button 5 is fixedly connected with the signal input part of said push button signalling input unit 6, and said push button signalling input unit 6 is welded on the said button circuit board 7 and electrically contacts with button input contact on the said button circuit board 7, and said button circuit board 7 is arranged on the said upper surface of installation panel down; And is fixedly connected with the said installation panel of going up through said installation guide pillar 10, said button 5 be embedded in said in the said opening 4 of installation panel.
Technical scheme according to the utility model; Said button 5 is fixedly connected with the signal input part of said push button signalling input unit 6; Can push button signalling be input to push button signalling input unit 6 through triggering button 5; And export control instruction corresponding through push button signalling input unit 6 and arrive button circuit board 7, realize operation control to engineering machinery.
Said button 5 can be the inductance type touch key-press; Trigger push button signalling through extruding force, said button 5 also can be capacitance type touch key, through triggering push button signalling by key contacts; Said button 5 can also be the conduction button; But its keytop is processed by electric conductor, through touching keytop as the direct contact of the human body of conductor or through conducting medium, can import push button signalling to push button signalling input unit 6.
Said push button signalling input unit 6 can receive push button signalling for passing through its signal input part arbitrarily, and converts the push button signalling that receives to signal input apparatus that control instruction corresponding outputs to button circuit board 7.In practical operation, can dispose corresponding push button signalling input unit 6 according to the type of button 5, the implementation of button 5 and push button signalling input unit 6 is not carried out any qualification at this.
For push button signalling input unit 6 and button 5 are fixed; Technical scheme according to the utility model; Said button circuit board 7 is arranged on the said upper surface of installation panel down; And is fixedly connected with the said installation panel of going up through said installation guide pillar 10, said button 5 be embedded in said in the said opening 4 of installation panel.
Following installation panel and last installation panel and button circuit board 7 fixedly install the bending strength that has increased keypad, cause caving in of button circuit board 7 when avoiding pushing button 5, improved the operating reliability of keypad.
Fracture in order further to avoid keypad to cave in, under the preferable case, said installation guide pillar 10 has multirow, and the setting of staggering between row and the row.
More preferably under the situation, guide pillar 10 is installed is become the triangle layout each other, can further improve the bending strength of keypad thus.
For bending strength that guarantees keypad and the insulation property that guarantee button circuit board 7; More preferably under the situation; As shown in Figure 1, the said installation panel of going up comprises hard laminate 8 and upper insulation plate 9, and said installation panel down comprises hard laminate 18 and lower insulation plate 19 down; Said upward hard laminate 8 is arranged on the top of said upper insulation plate 9, and said lower insulation plate 19 is arranged on said button circuit board 7 and said down between the hard laminate 18.
In order to guarantee the bending strength of keypad, the said hard laminate 8 of going up can adopt the hard material of any high rigidity to process with following hard laminate 18, and for example can adopt thickness is the duralumin plate of 2-5mm.The thickness of the following hard laminate 18 in said last hard laminate 8 and the said following installation panel of going up in the installation panel can confirm according to the needs of actual conditions, and can be for identical or different, and the utility model does not carry out any qualification to it.
In order to guarantee the insulation property of button circuit board 7; Said upward hard laminate 8 is arranged on the top of said upper insulation plate 9; Said lower insulation plate 19 is arranged between said button circuit board 7 and the said following hard laminate 18, is used to realize the conduction isolation to button circuit board 7.Said upper insulation plate 9 can be processed by any insulating material with said lower insulation plate 19; And the thickness of the lower insulation plate 19 in the thickness of the upper insulation plate 9 in the said upward installation panel and the said installation panel down can be confirmed according to the needs of actual conditions; For example can be 1-3mm; And can be for identical or different, the utility model does not carry out any qualification to it.
In order to guarantee the anti-seismic performance of keypad, under the preferable case, said installation guide pillar 10 is provided with elastic washer with the junction of said button circuit board 7.Said elastic washer is a damper element commonly used in this area, and its principle is conventionally known to one of skill in the art.Becoming flexible or fracture of the installation guide pillar 10 that causes greatly owing to vibrations when the setting of elastic washer can be avoided engineering machinery work increased the anti-seismic performance of keypad.
Because engineering machinery often need for operating personnel, usually owing to button 5 settings that can't see clearly on the keypad cause misoperation, be easy to take place security incident in the occasion construction of night or lighting condition difference.In order to improve safety of construction, under the preferable case, the keypad that the utility model provides also comprises the LED-backlit lamp of the brightness that is used to increase said button 5, and this LED-backlit lamp is arranged on said going up on the installation panel near said button 5 places.
Can on last installation panel, the LED-backlit lamp all be set the position near each button 5, so that the button 5 that embeds in the said opening 4 is thrown light on.In order to improve brightness, can select the LED-backlit lamp of high brightness, and can increase and decrease setting the number of LED-backlit lamp, the utility model does not carry out any qualification to it.
Can be by the manually opened LED-backlit lamp of operating personnel when illuminance is not enough, to realize illumination to button 5.Operating personnel's operation for ease can realize through pulse width modulation (PWM) the opening and closing of LED-backlit lamp.Through regulating the duty ratio of pwm control signal, can control the conducting and the turn-off time of LED-backlit lamp, PWM control is control method commonly used in the power electronics control field, its principle is conventionally known to one of skill in the art.
Energy-conservation in order under the situation of handled easily personnel work, to realize, under the preferable case, said keypad also comprises light control sensor, and this light control sensor is connected with said LED-backlit lamp.
Said light control sensor is used for regulating according to the illuminance of external environment the brightness of said LED-backlit lamp.Said light control sensor is the illumination probe that utilizes the photovoltaic special efficacy of photodiode to make; When the illumination probe receives a certain amount of illuminance; With photoelectric effect is the basis, converts light signal to the signal of telecommunication and outputs to the electric elements that are attached thereto, so that these electric elements are carried out various control procedures; Realize light control functionality, its operation principle is conventionally known to one of skill in the art.Therefore; Can light control sensor be connected with said LED-backlit lamp, regulate the brightness of LED-backlit lamp, when the illuminance of external environment is sufficient through the illuminance of external environment; The brightness of LED-backlit lamp is turned down; When the illuminance of external environment is not enough, the brightness of LED-backlit lamp is heightened, be the operation push-button plate provide realize under the situation of adequate illumination energy-conservation.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned execution mode; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection range of the utility model.
Need to prove that in addition each the concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner.
In addition, also can carry out combination in any between the various execution mode of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (7)
1. keypad; It is characterized in that; This keypad comprises button (5), push button signalling input unit (6), following installation panel, the last installation panel with opening (4), button circuit board (7) and guide pillar (10) is installed; Said button (5) is fixedly connected with the signal input part of said push button signalling input unit (6); Said push button signalling input unit (6) is welded on that said button circuit board (7) is gone up and electrically contacts with button input contact on the said button circuit board (7); Said button circuit board (7) is arranged on the said upper surface of installation panel down, and is fixedly connected with the said installation panel of going up through said installation guide pillar (10), and said button (5) is embedded in the said opening (4) of said upward installation panel.
2. keypad according to claim 1 is characterized in that, said installation guide pillar (10) has multirow, and the setting of staggering between row and the row.
3. keypad according to claim 2 is characterized in that, said installation guide pillar (10) becomes the triangle layout each other.
4. keypad according to claim 1 is characterized in that, said installation guide pillar (10) is provided with elastic washer with the junction of said button circuit board (7).
5. keypad according to claim 1; It is characterized in that; The said installation panel of going up comprises hard laminate (8) and upper insulation plate (9); Said installation panel down comprises hard laminate (18) and lower insulation plate (19) down, and said upward hard laminate (8) is arranged on the top of said upper insulation plate (9), and said lower insulation plate (19) is arranged on said button circuit board (7) and said down between the hard laminate (18).
6. keypad according to claim 1 is characterized in that, this keypad also comprises the LED-backlit lamp of the brightness that is used to increase said button (5), and this LED-backlit lamp is arranged on said going up on the installation panel and locates near said button (5).
7. keypad according to claim 6 is characterized in that said keypad also comprises light control sensor, and this light control sensor is connected with said LED-backlit lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241112 CN202585199U (en) | 2011-09-28 | 2012-05-25 | Keypad |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110302339A CN102332905A (en) | 2011-09-28 | 2011-09-28 | Key signal input device, key signal input method and key board |
| CN201110302339.3 | 2011-09-28 | ||
| CN 201220241112 CN202585199U (en) | 2011-09-28 | 2012-05-25 | Keypad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585199U true CN202585199U (en) | 2012-12-05 |
Family
ID=45484536
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110302339A Pending CN102332905A (en) | 2011-09-28 | 2011-09-28 | Key signal input device, key signal input method and key board |
| CN 201220241112 Expired - Fee Related CN202585199U (en) | 2011-09-28 | 2012-05-25 | Keypad |
| CN2012101664424A Pending CN102684667A (en) | 2011-09-28 | 2012-05-25 | Key signal input device, key signal input method and key board |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110302339A Pending CN102332905A (en) | 2011-09-28 | 2011-09-28 | Key signal input device, key signal input method and key board |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101664424A Pending CN102684667A (en) | 2011-09-28 | 2012-05-25 | Key signal input device, key signal input method and key board |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN102332905A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013053106A1 (en) * | 2011-10-11 | 2013-04-18 | 中联重科股份有限公司 | Method and system for outputting key pressing signal |
| CN103066969B (en) * | 2012-12-24 | 2015-09-09 | 无锡中星微电子有限公司 | A kind of electronic equipment with crash reset function |
| CN104124953A (en) * | 2013-04-25 | 2014-10-29 | 原相科技股份有限公司 | High-precision capacitive switch |
| CN108134617B (en) * | 2016-12-06 | 2020-07-31 | 天津希格玛微电子技术有限公司 | Control signal processing method, system and device |
| CN110311688B (en) * | 2019-06-13 | 2023-05-02 | 广汽零部件有限公司 | Two-way acquisition and verification physical key |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100642497B1 (en) * | 2004-06-03 | 2006-11-02 | 주식회사 애트랩 | electrical touch sensor |
| ATE400925T1 (en) * | 2005-08-31 | 2008-07-15 | Electrolux Home Prod Corp | TOUCH-CONTROLLED CAPACITIVE SWITCHING DEVICE |
| JP2007119250A (en) * | 2005-10-26 | 2007-05-17 | Inventio Ag | Control panel for elevator, and elevator having the control panel |
| CN100517201C (en) * | 2005-11-10 | 2009-07-22 | 鸿富锦精密工业（深圳）有限公司 | Touch induction system |
| CN1968558A (en) * | 2005-11-17 | 2007-05-23 | 建美电子股份有限公司 | Method for updating light brightness of luminous component of portable electronic device |
| JP4264558B2 (en) * | 2006-11-10 | 2009-05-20 | ソニー株式会社 | Backlight device, backlight driving method, and color image display device |
| CN102054607B (en) * | 2009-10-28 | 2013-08-21 | 群康科技(深圳)有限公司 | Backlight key |
| CN201577081U (en) * | 2009-12-18 | 2010-09-08 | 宁波舜韵电子有限公司 | Capacitive touch induction key circuit |
-
2011
- 2011-09-28 CN CN201110302339A patent/CN102332905A/en active Pending
-
2012
- 2012-05-25 CN CN 201220241112 patent/CN202585199U/en not_active Expired - Fee Related
- 2012-05-25 CN CN2012101664424A patent/CN102684667A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN102332905A (en) | 2012-01-25 |
| CN102684667A (en) | 2012-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20121205 Termination date: 20180525 |