CN201741133U - Circuit board fixing and positioning module, touch screen, interactive display and touch system - Google Patents
Circuit board fixing and positioning module, touch screen, interactive display and touch system Download PDFInfo
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- CN201741133U CN201741133U CN2010202045339U CN201020204533U CN201741133U CN 201741133 U CN201741133 U CN 201741133U CN 2010202045339 U CN2010202045339 U CN 2010202045339U CN 201020204533 U CN201020204533 U CN 201020204533U CN 201741133 U CN201741133 U CN 201741133U
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- circuit board
- fixed frame
- buckle
- reference column
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Abstract
The utility model discloses a circuit board fixing and positioning module, a touch screen, an interactive display and a touch system in an infrared touch screen device, and relates to the technical field of infrared touch screens. The circuit board fixing and positioning module comprises a circuit board, a fixing frame positioned around the touch detection area, a fastener and a positioning column connected with the fixing frame, and a positioning hole arranged on the circuit board corresponding to the positioning column, wherein the circuit board and the fixing frame are fixed and positioned by the fastener and the stepped surface of the positioning column by clamping and pressing. On one hand, the disassembly and assembly of the circuit board in the infrared touch screen device is extremely simple, thus greatly reducing the complexity of detection and maintenance of products; on the other hand, the production process of the infrared touch screen device is better simplified, thus effectively improving the production efficiency; in addition, the supporting part and the positioning part are integrated together, thus not only being capable of preventing the circuit board and the fixing frame from sliding relatively, but also greatly reducing the production cost.
Description
Technical field
The utility model relates to the infrared touch panel technical field, and the circuit board in particularly a kind of infrared touch screen equipment fixes and positions assembly, touch-screen, interactive display and touch system.
Background technology
The application of infrared touch panel more and more widely, usually, the infrared touch screen equipment comprises the fixed frame (such as housing) that touches around the surveyed area is set, touch around the surveyed area, the inside of fixed frame is provided with circuit board, be separately installed with touch-screen, scan function module and the control function module etc. that are enclosed to form by a plurality of infrared transmitting tubes and infrared receiving tube on the circuit board, by detection and the location of scanning realization to touch objects.
In the prior art, when production and assembly infrared touch screen equipment, need producers in fixed frame, to paste modes such as double faced adhesive tape, liquid/solid adhesive or hot melt reference column plate circuit board is adhered to fixed frame inside, to realize fixedlying connected of circuit board and fixed frame, referring to shown in Figure 1, circuit board 101 and fixed frame 103 are fixed together by glue 102 (such as double faced adhesive tape, liquid/solid adhesive etc.).In product detection or product maintenance process, usually need circuit board is dismantled or changed, but in the existing infrared touch screen equipment, circuit board adheres on the fixed frame relevant position, and its dismounting and replacing are all very difficult, causes product detection and product maintenance process very loaded down with trivial details.On the other hand, in order constantly to satisfy user's demand, the area that touches surveyed area in the existing infrared touch screen equipment constantly increases, housing is more also done narrow more, the area of internal circuit board is also accordingly more and more littler, cause producers' gluing that circuit board is adhered to becoming increasingly complex that the operation of fixed frame relevant position also becomes, elapsed time is more and more longer, is unfavorable for the lifting of production capacity.
The utility model content
Circuit board in a kind of infrared touch screen equipment that the utility model provides fixes and positions assembly, touch-screen, interactive display and touch system, to solve circuit board dismounting and change difficulty and production process complicated problems in the existing infrared touch screen equipment.
The utility model provides the circuit board in a kind of touch panel device to fix and position assembly, comprises circuit board, is positioned at and touches fixed frame, the buckle and the reference column that link to each other with described fixed frame around the surveyed area and be located on the circuit board and described reference column corresponding positioning hole;
Described reference column comprises the first half and Lower Half, and Lower Half is wider than the first half and is step-like setting, by buckle and reference column step surface circuit board and fixed frame is blocked press fit; The size of described pilot hole realizes location to circuit board by pilot hole to the restriction of the reference column first half between the first half and Lower Half cross-sectional area.
Described buckle is unidirectional buckle, and described buckle is arranged at the both sides of fixed frame.
The described buckle that is arranged at the fixed frame both sides is interspersed.
The both sides of described circuit board are provided with breach, and the position of described breach is corresponding with the snapped-in position that is arranged at the fixed frame both sides respectively, and the shape of breach and buckle inboard match.
Described buckle is two-way buckle, is arranged on the described fixed frame, is provided with porose with the buckle corresponding position on the described circuit board;
Described buckle passes the described reference column step surface of corresponding Kong Bingyu and matches, and circuit board and fixed frame are blocked press fit.
Described buckle is the two-way buckle that is provided with base, and the corresponding position of described circuit board and fixed frame is provided with the hole;
Described buckle passes corresponding hole on circuit board and the fixed frame, by described base and described reference column step surface circuit board and fixed frame is blocked press fit.
The hole that is arranged on the described fixed frame also comprises first step, to block described base.
Described buckle also is provided with the second step of support circuit plate, and the step surface of described second step and the step surface of described reference column are in a plane.
Described reference column is arranged at the edge and/or the centre of fixed frame.
The height of described reference column step surface fixed distance frame inboard is at least greater than the maximum height that is arranged on the electronic devices and components on the circuit board.
Also be provided with ledge structure on the described fixed frame, the step surface of described ledge structure and the step surface of described reference column are in a plane.
Described ledge structure is arranged at the edge and/or the centre of fixed frame.
The utility model also provides a kind of touch-screen, comprises that above-mentioned circuit board fixes and positions assembly.
The utility model also provides a kind of interactive display, comprises that above-mentioned circuit board fixes and positions assembly.
The utility model also provides a kind of touch system, comprises that above-mentioned circuit board fixes and positions assembly.
Circuit board in the touch panel device that the utility model provides fixes and positions assembly, touch-screen, interactive display and touch system, make that the dismounting and the assembling of circuit board is all very simple in the infrared touch screen equipment, greatly reduce that product detects and the product maintenance process in fussy degree; On the other hand, the fixed form that provides owing to the utility model can be easy to circuit board is assembled, thereby also makes the production process of infrared touch screen equipment simplify more, has effectively improved production efficiency; Again on the one hand, the utility model not only can prevent the slip between circuit board and the fixed frame by support section (being the step surface of reference column) and localization part (being reference column and pilot hole) are integrated, and also greatly reduces production cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the fixed sturcture synoptic diagram of infrared touch screen equipment interior circuit board and fixed frame in the prior art;
Circuit board in a kind of infrared touch screen equipment that Fig. 2 provides for the utility model embodiment fixes and positions assembly plan view;
Fig. 3 is the structural representation of middle reference column embodiment illustrated in fig. 2;
Fig. 4 is the structural representation of middle buckle embodiment illustrated in fig. 2;
Fig. 5 is for fixing and positioning the side view of assembly in embodiment illustrated in fig. 2;
Circuit board in the another kind of infrared touch screen equipment that Fig. 6 provides for the utility model embodiment fixes and positions assembly plan view;
Fig. 7 is for fixing and positioning the side view of assembly in embodiment illustrated in fig. 6;
Fig. 8 is the synoptic diagram of middle circuit board embodiment illustrated in fig. 6;
Circuit board in the another kind of infrared touch screen equipment that Fig. 9 provides for the utility model embodiment fixes and positions fixed position sectional view in the assembly;
Circuit board in the another kind of infrared touch screen equipment that Figure 10 provides for the utility model embodiment fixes and positions fixed position sectional view in the assembly;
Figure 11 is the sectional view of middle buckle embodiment illustrated in fig. 10;
Figure 12 be embodiment illustrated in fig. 10 in the sectional view of another kind of fixed position;
A kind of touch-screen front elevation that Figure 13 provides for the utility model embodiment;
A kind of interactive display front elevation that Figure 14 provides for the utility model embodiment;
Figure 15 is the side view of middle interactive display embodiment illustrated in fig. 14;
A kind of touch system front elevation that Figure 16 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
Referring to Fig. 2 to Fig. 5, the circuit board in a kind of infrared touch screen equipment that the utility model embodiment provides fixes and positions assembly, can solve circuit board dismounting and change difficulty and production process complicated problems in the existing infrared touch screen equipment.
In the present embodiment, circuit board in the infrared touch screen equipment fixes and positions assembly, comprises circuit board 201, is positioned at and touches fixed frame 202, the buckle 203 that links to each other with fixed frame 202 and the reference column 204 around the surveyed area and be located on the circuit board 201 and reference column 204 corresponding positioning hole 205.
Wherein, buckle 203 is unidirectional buckle, is arranged at the both sides of fixed frame 202.Fixed frame is arranged at and touches around the surveyed area, and the both sides of fixed frame are specifically at being in inboard (zone of label 2 as shown in Figure 2) and the outside (zone of label 1 as shown in Figure 2) that touches surveyed area fixed frame on one side.Preferably, buckle 203 is arranged on the corresponding rim (zone of label 4 as shown in Figure 2) and outer rim (zone of label 3 as shown in Figure 2) of fixed frame 202, like this, can increase the area of circuit board as far as possible, for the function expansion provides more space.
Concrete, referring to Fig. 3, reference column 204 comprises the first half 2041 and Lower Half 2042, and Lower Half 2042 is wider than the first half 2041 and is step-like setting, and wherein, step surface 2043 is used for the support circuit plate.The size of pilot hole 205 is between the cross-sectional area of the first half 2041 and Lower Half 2042, making has only the first half 2041 of reference column can pass through pilot hole, but Lower Half can not be passed through pilot hole, when circuit board and fixed frame card press fit together the time, the reference column first half can pass pilot hole, just can realize location to circuit board preventing that circuit board from sliding in fixed frame to the restriction of the reference column first half by pilot hole.
In the present embodiment, the bottom 2031 of buckle 203 is connected with fixed frame 202, the thickness of bottom 2031 is less than top 2032, by pushing circuit board after circuit board being placed on the buckle correct position so that buckle 203 produces elastic deformations, make circuit board 201 pass the top 2032 of buckle 203, the step surface 2043 of post 204 of being positioned supports, at this moment, circuit board and buckle bottom 2031 inboard relevant position tight connectings, thus by buckle 203 and reference column step surface circuit board 201 and fixed frame 202 card press fit are in the same place.
In order to make buckle can be more firm circuit board and fixed frame card press fit are in the same place, a plurality of buckles 203 that are arranged on the fixed frame 202 are interspersed.That is to say that on the buckle of inboard was arranged at certain position between adjacent two buckles in the corresponding outside, the buckle in the outside was arranged on certain position between corresponding inboard adjacent two buckles, set-up mode sees also shown in Fig. 2.
Among the utility model embodiment, the thickness of buckle bottom is during less than the top, produce elastic deformation by pushing circuit board after circuit board being placed on the buckle correct position respectively so that be arranged on the buckle of fixed frame both sides to both sides, circuit board is pressed on the step surface of being located at reference column on the fixed frame, simultaneously, circuit board can be blocked by the bigger top of thickness, thus by buckle and step surface card press fit on fixed frame.
Further, referring to Fig. 4, a kind of preferred situation shown in the utility model embodiment, the shape of buckle 203 can be, the bottom 2031 of buckle is the cylinder of rectangle for shape of cross section, and the top 2032 of buckle is shaped as sphenoid.Referring to Fig. 5, be arranged on the buckle on fixed frame 202 outsides, the inclined-plane 20321 of its top 2032 sphenoids is to tilt to interior side direction bottom 2031 from the outside, is arranged on inboard buckle, and the inclined-plane 20322 of its top 2032 sphenoids is to tilt to bottom, lateral 2031 from inboard.
Usually, circuit board (being PCB) be shaped as rectangle, circuit board shown in the present embodiment 201 can be that the circuit board by the polylith rectangle constitutes, such as connecting and composing continuously, perhaps according to interrupted being fixed on a few sections of fixed frame of the design needs of circuit, certainly the circuit board making of polylith rectangle can also be become an integral body, the utility model embodiment does not limit this.
When the bottom of buckle is the cylinder of rectangle for shape of cross section, buckle bottom inside on the fixed frame can realize the tight connecting with relevant position, circuit board outside the best, and, because the setting on sphenoid inclined-plane, buckle top, make when pushing, the buckle that is arranged on the fixed frame both sides can produce the elastic deformation to both sides respectively, circuit board can be slipped on the step surface of reference column very smoothly, and the top card that is set at the buckle on the fixed frame is pressed on the step surface, realizes fixedlying connected of circuit board and fixed frame.
In the present embodiment, during the dismounting circuit board, outwards pull open gently, the circuit board taking-up is got final product as long as will be arranged on the buckle of fixed frame both sides, very convenient.In addition, use the method for conventional hot melt reference column relatively in the prior art, owing to use the mode of conventional hot melt reference column, circuit board disassembles the back fixed frame and will thoroughly scrap, as seen, present embodiment can solve the problem that existing hot melt reference column mode is wasted a large amount of production costs.
Preferably, reference column is used for the height of step surface fixed distance frame inboard of support circuit plate at least greater than the maximum height that is arranged on the electronic devices and components 206 on the circuit board, in order to avoid when buckle and step surface fixing circuit board, fixed frame produces extruding to the electronic devices and components on the circuit board, damages electronic devices and components (such as infrared transmitting tube, infrared receiving tube, process chip etc.).Wherein, reference column can be arranged on the edge of fixed frame, perhaps Zhong Jian some position, and perhaps simultaneously in edge and some middle position, the present embodiment contrast does not limit, as long as can realize the support to circuit board.
Further, in order further to strengthen the supporting role to circuit board, can also further be provided with ledge structure on the present embodiment fixed frame, the step surface of ledge structure and the step surface of reference column are in a plane.In the practical application, ledge structure can be arranged at the edge and/or the centre of fixed frame.
Need to prove, among the utility model embodiment, in actual applications can be according to the different shape of product, fixed frame can be different entity, such as, for independent infrared touch panel, fixed frame can be a housing; For the infrared touch panel in being integrated in display, fixed frame can be housing, face shield or bonnet or the like; For the infrared touch panel in being integrated in equipment such as ATM (automatic teller machine), Automatic Analyzer, fixed frame can be the fabricated section of housing, face shield, bonnet, special use or special-purpose interfacing equipment or the like, and the utility model embodiment contrast does not limit.
As seen, the circuit board in the touch panel device that the utility model embodiment provides fixes and positions assembly, makes that the dismounting and the assembling of the circuit board in the infrared touch screen equipment are all very simple, greatly reduce that product detects and the product maintenance process in fussy degree; On the other hand, the fixed form that provides owing to the utility model embodiment can be easy to circuit board is assembled, thereby also makes the production process of infrared touch screen equipment simplify more, has effectively improved production efficiency; Again on the one hand, the utility model not only can prevent the slip between circuit board and the fixed frame by support section (being the step surface of reference column) and localization part (being reference column and pilot hole) are integrated, and also greatly reduces production cost.
Embodiment two
Referring to Fig. 6 and Fig. 7, the circuit board in a kind of infrared touch screen equipment that the utility model embodiment provides fixes and positions assembly, can solve circuit board dismounting and change difficulty and production process complicated problems in the existing infrared touch screen equipment.
In the present embodiment, circuit board in the infrared touch screen equipment fixes and positions assembly, comprises circuit board 601, is positioned at and touches fixed frame 602, the buckle 603 that links to each other with fixed frame 602 and the reference column 604 around the surveyed area and be located on the circuit board 601 and reference column 604 corresponding positioning hole 605.
Wherein, buckle 603 is unidirectional buckle, is arranged at the both sides of fixed frame 602.Preferably, buckle 603 is arranged on the corresponding rim and outer rim of fixed frame 602, like this, can increase the area of circuit board as far as possible, for the function expansion provides more space.
Concrete, reference column 604 comprises the first half and Lower Half, and Lower Half is wider than the first half and is step-like setting, and wherein, step surface is used for the support circuit plate.The size of pilot hole 605 is between the cross-sectional area of the first half and Lower Half, making has only the first half of reference column can pass through pilot hole, but Lower Half can not be passed through pilot hole, when circuit board and fixed frame card press fit together the time, the reference column first half can pass pilot hole, just can realize location to circuit board preventing that circuit board from sliding in fixed frame to the restriction of the reference column first half by pilot hole.
In the present embodiment, the bottom of buckle 603 is connected with fixed frame 602, the thickness of bottom is less than the top, by pushing circuit board after circuit board being placed on the buckle correct position so that the buckle 603 of fixed frame 602 both sides produces the elastic deformation to both sides, make circuit board 601 pass the top of buckle 603, the step surface of the post 604 that is positioned supports, at this moment, circuit board and buckle bottom inside relevant position tight connecting, thus by buckle and step surface circuit board and fixed frame card press fit are in the same place.
In order to make buckle can be more firm circuit board and fixed frame card press fit are in the same place, a plurality of buckles 603 that are arranged on the fixed frame 602 are interspersed.That is to say that on the buckle of inboard was arranged at certain position between adjacent two buckles in the corresponding outside, the buckle in the outside was arranged on certain position between corresponding inboard adjacent two buckles, set-up mode sees also Fig. 6 and shown in Figure 7.
In the present embodiment, reference column can be arranged on the marginal position of fixed frame, also can be arranged on certain middle position of fixed frame, can also be arranged on edge and some middle position simultaneously, specifically can design voluntarily according to the situation of practical application, the utility model embodiment contrast does not limit, as long as can circuit-board card be pressed on the fixed frame with being clasped.
Usually, circuit board (being PCB) be shaped as rectangle, in the practical application, can be that circuit board by the polylith rectangle constitutes, such as connecting and composing continuously, perhaps according to interrupted being fixed on a few sections of fixed frame of the design needs of circuit, the circuit board making of polylith rectangle can also be become an integral body certainly, the utility model embodiment does not limit this.In the present embodiment, a kind of preferred situation can be, referring to shown in Figure 8, circuit board 601 both sides are provided with breach 6011, and the position of breach 6011 is corresponding with buckle 603 positions that are arranged at the fixed frame both sides respectively, and the shape of breach and buckle inboard match.The breadth extreme of circuit board 601 can equate with the breadth extreme of the fixed frame that fixes with it, referring to Fig. 6 and shown in Figure 7.Like this, just can further increase the area of circuit board, under the situation of same housing dimensional requirement, the function that realizes on circuit board that can be more is expanded.
Among the utility model embodiment, the thickness of buckle bottom is during less than the top, produce elastic deformation by pushing circuit board after circuit board being placed on the buckle correct position respectively so that be arranged on the buckle of fixed frame both sides to both sides, circuit board is pressed on the reference column step surface that is arranged on fixed frame, and, circuit board can be blocked by the bigger top of thickness, thus by buckle and step surface card press fit on fixed frame.
Further, a kind of preferred situation is, the shape of buckle 603 can be, the bottom of buckle is the cylinder of rectangle for shape of cross section, and the top shape of buckle is a sphenoid.Be arranged on the buckle in fixed frame 602 outsides, the inclined-plane of its top sphenoid be from the outside to interior side direction bottom angled, be arranged on inboard buckle, the inclined-plane of its top sphenoid be to the lateral bottom angled from the inboard.
When the buckle bottom shape is that xsect is when being the cylinder of rectangle, buckle bottom inside on the fixed frame can realize the tight connecting with relevant position, circuit board outside the best, and, because the setting on sphenoid inclined-plane, buckle top, make when pushing, the buckle that is arranged on the fixed frame both sides can produce the elastic deformation to both sides respectively, circuit board can be slipped on the step surface of reference column very smoothly, and the top card that is set at the buckle on the fixed frame is pressed on the step surface, realizes fixedlying connected of circuit board and fixed frame.
In the present embodiment, during the dismounting circuit board, outwards pull open gently, the circuit board taking-up is got final product as long as will be arranged on the buckle of fixed frame both sides, very convenient.In addition, use the method for conventional hot melt reference column relatively in the prior art, owing to use the mode of conventional hot melt reference column, circuit board disassembles the back fixed frame and will thoroughly scrap, as seen, present embodiment can solve the problem that existing hot melt reference column mode is wasted a large amount of production costs.
Preferably, reference column is used for the height of step surface fixed distance frame inboard of support circuit plate at least greater than the maximum height that is arranged on the electronic devices and components 606 on the circuit board (referring to shown in Figure 7), in order to avoid when buckle and step surface fixing circuit board, electronic devices and components on the circuit board are produced extruding, damage electronic devices and components (such as infrared transmitting tube, infrared receiving tube, process chip etc.).
Further, in order further to strengthen the supporting role to circuit board, can also further be provided with ledge structure on the present embodiment fixed frame, the step surface of ledge structure and the step surface of reference column are in a plane.In the practical application, ledge structure can be arranged at the edge and/or the centre of fixed frame.
Need to prove, among the utility model embodiment, in actual applications can be according to the different shape of product, fixed frame can be different entity, such as, for independent infrared touch panel, fixed frame can be a housing; For the infrared touch panel in being integrated in display, fixed frame can be housing, face shield or bonnet or the like; For the infrared touch panel in being integrated in equipment such as ATM (automatic teller machine), Automatic Analyzer, fixed frame can be the fabricated section of housing, face shield, bonnet, special use or special-purpose interfacing equipment or the like, and the utility model embodiment contrast does not limit.
As seen, circuit board in the touch panel device that the utility model embodiment provides fixes and positions assembly, thereby make that the dismounting of the circuit board in the infrared touch screen equipment and assembling are all very simple, greatly reduce that product detects and the product maintenance process in fussy degree; On the other hand, the fixed form that provides owing to the utility model embodiment can be easy to circuit board is assembled, thereby also makes the production process of infrared touch screen equipment simplify more, has effectively improved production efficiency; Again on the one hand, the utility model not only can prevent the slip between circuit board and the fixed frame by support section (being the step surface of reference column) and localization part (being reference column and pilot hole) are integrated, and also greatly reduces production cost.
Further, among the utility model embodiment, the both sides of circuit board are provided with and the corresponding breach of buckle, like this, the breadth extreme of circuit board just can equate with the breadth extreme of the fixed frame that fixes with it, farthest increase the area of circuit board, under the situation of same housing dimensional requirement, the function that realizes on circuit board that can be more is expanded.
Embodiment three
Referring to Fig. 9, circuit board in a kind of infrared touch screen equipment that the utility model embodiment provides fixes and positions assembly, comprises circuit board 901, is positioned at and touches fixed frame 902, the buckle 903 that links to each other with fixed frame 902 and the reference column 904 around the surveyed area and be located on the circuit board 901 and reference column 904 corresponding positioning hole 905.
Wherein, buckle 903 is two-way buckle, the left side 9031 and the right-hand part 9032 that are separated in the middle of comprising, and its bottom all is connected setting bottom be wider than respectively to the left and right sides at the top with fixed frame 902.Buckle 903 is arranged on the fixed frame 902, is provided with porose 906 with buckle 903 corresponding positions on the circuit board 901.By pushing circuit board after circuit board being placed on the buckle correct position so that left and right half one of buckle produces the elastic deformation to the centre, the hole 906 on the circuit board 901 can be passed in buckle 903 tops, the circuit board pylon terrace that can be positioned is supported, and the buckle top can be arranged at the circuit-board card press fit on the reference column step surface of fixed frame.
In the present embodiment, realize the fixed position of fixedlying connected between circuit board and the fixed frame by being arranged on the buckle on the fixed frame and being arranged on hole on the circuit board, can be according to the layout of circuit on the circuit board, combined factors such as fixed effect are considered, the rational position of concrete arrangement fixed position, such as 4 fixed positions can be set, respectively about up and down four orientation circuit board is fixedlyed connected with fixed frame, perhaps respectively in fixed frame, fixed position is set on the outer rim, the form that employing is interspersed is fixedlyed connected circuit board with fixed frame, or the like, the utility model embodiment does not limit this.
In the present embodiment, reference column can be arranged on the position at edge of fixed frame, also can be arranged on certain middle position of fixed frame, can also be arranged on edge and some middle position simultaneously, specifically can design voluntarily according to the situation of practical application, the utility model embodiment contrast does not limit, as long as can circuit-board card be pressed on the fixed frame with being clasped.
Usually, circuit board (being PCB) be shaped as rectangle, in the practical application, can be that circuit board by the polylith rectangle constitutes, such as connecting and composing continuously, perhaps according to interrupted being fixed on a few sections of fixed frame of the design needs of circuit, the circuit board making of polylith rectangle can also be become an integral body certainly, the utility model embodiment does not limit this.In the present embodiment, the width of the width of described circuit board and the fixed frame that is attached thereto equates, to realize the usable floor area of expander board to greatest extent, for the function expansion provides bigger space.
Present embodiment is shown in Figure 9, and the bottom shape of left and right half one of buckle 903 is that xsect is the cylinder of rectangle, and is corresponding, is arranged on the rectangle that is shaped as in hole on the circuit board.The utility model embodiment does not limit the shape in hole on buckle and the corresponding with it circuit board, as long as can pass the hole on the circuit board after the generation elastic deformation of buckle top, and can after passing, block the buckle top, the card press fit that realizes circuit board and fixed frame gets final product, those skilled in the art can be equal to displacement to it according to the understanding of shape shown in Figure 9, bottom shape such as left and right half one of buckle is that xsect is the cylinder of semi arch, the hole of Dui Ying circuit board is shaped as circle with it, or the like, do not enumerate one by one herein.
Further, the top shape of buckle can be sphenoid, the inclined-plane of the sphenoid at the top that links to each other with the left side for from right-to-left to bottom angled, the inclined-plane of the sphenoid at the top that links to each other with right-hand part is for from left to right to bottom angled.Because the setting on sphenoid inclined-plane, buckle top, make that left and right half one of buckle can produce the elastic deformation to the centre, can pass the hole on the circuit board very smoothly when pushing, after passing completely through, just the circuit-board card press fit can be located on the reference column step surface of fixed frame.
Preferably, reference column is used for the height of step surface fixed distance frame inboard of support circuit plate at least greater than the maximum height that is arranged on the electronic devices and components 907 on the circuit board, in order to avoid when buckle and step surface fixing circuit board, fixed frame produces extruding to the electronic devices and components on the circuit board, damages electronic devices and components (such as infrared transmitting tube, infrared receiving tube, process chip etc.).
In the present embodiment, during the dismounting circuit board, buckle gently to the centre, the circuit board taking-up is got final product as long as will be arranged on the left side and the right-hand part of the buckle on the fixed frame, very convenient.
Further, in order further to strengthen the supporting role to circuit board, can also further be provided with ledge structure on the present embodiment fixed frame, the step surface of ledge structure and the step surface of reference column are in a plane.In the practical application, ledge structure can be arranged at the edge and/or the centre of fixed frame.
Need to prove, among the utility model embodiment, in actual applications can be according to the different shape of product, fixed frame can be different entity, such as, for independent infrared touch panel, fixed frame can be a housing; For the infrared touch panel in being integrated in display, fixed frame can be housing, face shield or bonnet or the like; For the infrared touch panel in being integrated in equipment such as ATM (automatic teller machine), Automatic Analyzer, fixed frame can be the fabricated section of housing, face shield, bonnet, special use or special-purpose interfacing equipment or the like, and the utility model embodiment contrast does not limit.
As seen, the circuit board in the touch panel device that the utility model embodiment provides fixes and positions assembly, makes that the dismounting of infrared touch screen equipment interior circuit board and assembling are all very simple, greatly reduces the fussy degree in product detection and the product maintenance process; On the other hand, the fixed form that provides owing to the utility model embodiment can be easy to circuit board is assembled, thereby also makes the production process of infrared touch screen equipment simplify more, has effectively improved production efficiency; Again on the one hand, the utility model not only can prevent the slip between circuit board and the fixed frame by support section (being the step surface of reference column) and localization part (being reference column and pilot hole) are integrated, and also greatly reduces production cost.
Embodiment four
Referring to Figure 10 to Figure 12, circuit board in a kind of infrared touch screen equipment that the utility model embodiment provides fixes and positions assembly, comprises circuit board 1001, is positioned at and touches fixed frame 1002, the buckle 1003 that links to each other with fixed frame 1002 and the reference column 1004 around the surveyed area and be located on the circuit board 1001 and reference column 1004 corresponding positioning hole 1005.
Referring to Figure 11, buckle 1003 comprises base 10031, bottom 10032, middle part 10033 and the top 10034 that connects successively, wherein, the left side 100331 and the right-hand part 100332 that are separated in the middle of middle part 10033 comprises, accordingly, the left top 100341 and the right top 100342 that are separated in the middle of top 10034 also comprises, top 10034 are wider than middle part 10033 respectively to the left and right sides and are provided with.
Referring to buckle structure shown in Figure 12, further, buckle also is provided with the second step 1008 of support circuit plate, and the supporting surface of described second step and the step surface of reference column are in a plane.Like this, can be more firm circuit board be played a supporting role makes circuit board more reliable with being connected of fixed frame.
Need to prove, second step 1008 can be arranged on a projection on the buckle in the present embodiment, can link to each other with base (shown in Figure 12), it also can only be the part of buckle middle part and bottom, the utility model embodiment does not limit this, as long as this projection (this second step) on a plane, can auxiliary positioning pylon terrace supports getting final product in order to the supporting surface (step surface of second step) of support circuit plate and reference column step surface to circuit board.
Porose 1005 (being arranged on the circuit board 1001) and hole 1006 (being arranged on the fixed frame 1002) are offered in circuit board 1001 and fixed frame 1002 corresponding positions, push the base 10031 of buckle 1003, make a left side, right-hand part produces the elastic deformation to the centre, the top 10034 of buckle 1003 is passed hole 1006 on the fixed frame 1002 and the hole 1005 on the circuit board 1001 successively, and the step surface that circuit board 1001 is set on the reference column supports, circuit board 1001 and fixed frame 1002 cards are pressed between the base 10031 and top 10034 of buckle, thereby realize fixedlying connected of circuit board 1001 and fixed frame 1002.
Referring to Figure 12, further, the hole 1006 that is arranged in the present embodiment on the fixed frame can also comprise first step 1009, and is preferred to block base 10031, and base and fixed frame are remained in the plane (shown in Figure 12), more both artistic and practical.
In the present embodiment, by buckle and be separately positioned on fixed frame and circuit board on the hole realize the fixed position of fixedlying connected between circuit board and the fixed frame, can be according to the layout of circuit on the circuit board, combined factors such as fixed effect are considered, the rational position of concrete arrangement fixed position, such as four fixed positions can be set, respectively about up and down four orientation circuit board is fixedlyed connected with fixed frame, perhaps respectively in fixed frame, fixed position is set on the outer rim, the form that employing is interspersed is fixedlyed connected circuit board with fixed frame, or the like, the utility model embodiment does not limit this.
In the present embodiment, reference column can be arranged on the position at edge of fixed frame, also can be arranged on certain middle position of fixed frame, can also be arranged on edge and some middle position simultaneously, specifically can design voluntarily according to the situation of practical application, the utility model embodiment contrast does not limit, as long as can circuit-board card be pressed on the fixed frame with being clasped.
Usually, circuit board (being PCB) be shaped as rectangle, in the practical application, can be that circuit board by the polylith rectangle constitutes, such as connecting and composing continuously, perhaps according to interrupted being fixed on a few sections of fixed frame of the design needs of circuit, the circuit board making of polylith rectangle can also be become an integral body certainly, the utility model embodiment does not limit this.In the present embodiment, the width of the width of described circuit board and the fixed frame that is attached thereto equates, with the usable floor area of expander board to greatest extent, for the function expansion provides bigger space.
Shown in Figure 10 in the present embodiment, left and right half one in the middle part of buckle 1003 is shaped as the cylinder that xsect is a semi arch, the bottom be shaped as right cylinder, corresponding, the hole that circuit board and fixed frame are offered be shaped as circle.The utility model embodiment is to the shape and the corresponding with it fixed frame of buckle, the shape in the hole on the circuit board does not limit, as long as fixed frame can be passed after producing elastic deformation in the buckle top, hole on the circuit board, and can be after passing fixed frame and circuit-board card be pressed between buckle top and the bottom and get final product, those skilled in the art can be equal to displacement to it according to the understanding of shape shown in Figure 10, such as a left side, buckle middle part, right-hand part and bottom shape are that xsect is the cylinder of rectangle, the hole offered of Dui Ying circuit board and fixed frame is shaped as rectangle with it, or the like, do not enumerate one by one herein.
Further, the top shape of buckle is a sphenoid, the inclined-plane of the sphenoid at the top that links to each other with the left side for from right-to-left to bottom angled, the inclined-plane of the sphenoid at the top that links to each other with right-hand part is for from left to right to bottom angled.Because the setting on sphenoid inclined-plane, buckle top, make that left and right half one of buckle can produce the elastic deformation to the centre, can pass the hole on fixed frame, the circuit board very smoothly when pushing, after passing completely through, just can be together with fixed frame circuit-board card press fit.
Preferably, reference column is used for the height of step surface fixed distance frame inboard of support circuit plate at least greater than the maximum height that is arranged on the electronic devices and components 1007 on the circuit board, in order to avoid when buckle and reference column step surface fixing circuit board, fixed frame produces extruding to the electronic devices and components on the circuit board, damages electronic devices and components (such as infrared transmitting tube, infrared receiving tube, process chip etc.).
In the present embodiment, during the dismounting circuit board,, the circuit board taking-up is got final product as long as the left side and the right-hand part of buckle are buckled to the centre gently, very convenient.
Further, in order further to strengthen the supporting role to circuit board, can also further be provided with ledge structure on the present embodiment fixed frame, the step surface of ledge structure and the step surface of reference column are in a plane.In the practical application, ledge structure can be arranged at the edge and/or the centre of fixed frame.
Need to prove, among the utility model embodiment, in actual applications can be according to the different shape of product, fixed frame can be different entity, such as, for independent infrared touch panel, fixed frame can be a housing; For the infrared touch panel in being integrated in display, fixed frame can be housing, face shield or bonnet or the like; For the infrared touch panel in being integrated in equipment such as ATM (automatic teller machine), Automatic Analyzer, fixed frame can be the fabricated section of housing, face shield, bonnet, special use or special-purpose interfacing equipment or the like, and the utility model embodiment contrast does not limit.
As seen, the circuit board in the touch panel device that the utility model embodiment provides fixes and positions assembly, makes that the dismounting of infrared touch screen equipment interior circuit board and assembling are all very simple, greatly reduces the fussy degree in product detection and the product maintenance process; On the other hand, the fixed form that provides owing to the utility model embodiment can be easy to circuit board is assembled, thereby also makes the production process of infrared touch screen equipment simplify more, has effectively improved production efficiency; Again on the one hand, the utility model not only can prevent the slip between circuit board and the fixed frame by support section (being the step surface of reference column) and localization part (being reference column and pilot hole) are integrated, and also greatly reduces production cost.
Embodiment five
Referring to Figure 13, the utility model embodiment provides a kind of touch-screen 1301, comprises that any described circuit board fixes and positions assembly in the foregoing description one to embodiment four.Wherein, the zone line that touch-screen 1301 surrounds is for touching surveyed area 1302, and circuit board is provided with electronic devices and components, such as infrared transmitting tube, infrared receiving tube and process chip or the like.
Wherein, the circuit board in the present embodiment in the touch-screen fixes and positions assembly, and its structure specifically can repeat no more referring to described in the embodiment one to embodiment four herein.
Embodiment six
Referring to Figure 14 and Figure 15, the utility model embodiment provides a kind of interactive display, comprises that any described circuit board fixes and positions assembly in the foregoing description one to embodiment four.Wherein, the zone line that housing and touch-screen 1401 surround is for touching surveyed area 1402, and circuit board is provided with electronic devices and components, such as infrared transmitting tube, infrared receiving tube and process chip or the like.
Wherein, the circuit board in the present embodiment in the interactive display fixes and positions assembly, and its structure specifically can repeat no more referring to described in the embodiment one to embodiment four herein.
Be that example describes with the computer monitor among present embodiment Figure 14 and Figure 15; in actual applications; interactive display is not limited to computer monitor, for the display device that possesses interactive function, all belongs in the protection domain of the described interactive display of present embodiment such as Automatic Teller Machine etc.
Embodiment seven
Referring to Figure 16, the utility model embodiment provides a kind of touch system, comprises that any described circuit board fixes and positions assembly in the foregoing description one to embodiment four.
Be that example describes with the electronic whiteboard among present embodiment Figure 16, touch system also comprises equipment such as projector not shown in Figure 16 certainly.In actual applications, touch system is not limited to systems such as electronic whiteboard and projector, all belongs to for the application system that possesses touch function in the protection domain of the described touch system of present embodiment.
Wherein, the zone line that housing and touch-screen 1601 surround is for touching surveyed area 1602, and circuit board is provided with electronic devices and components, such as infrared transmitting tube, infrared receiving tube and process chip or the like.
Circuit board in the present embodiment in the touch system fixes and positions assembly, and its structure specifically can repeat no more referring to described in the embodiment one to embodiment four herein.
Need to prove, the buckle that links to each other with fixed frame described in the utility model embodiment, it can be being connected of describing among the embodiment one to embodiment three with the fixed frame one, it also can be separating of describing among the embodiment four with fixed frame, press or mode such as stickup links together by the step card, the utility model embodiment contrast does not limit.
As seen, the touch system that provides among interactive display that provides among the touch-screen that provides among the utility model embodiment five, the embodiment six and the embodiment seven, feasible circuit board is wherein dismantled and is assembled become very simple, greatly reduces the fussy degree in product detection and the product maintenance process; On the other hand, because the fixed form between circuit board and the fixed frame can be assembled circuit board easily, thereby also be made the production process of infrared touch screen equipment simplify more, effectively improved production efficiency; Again on the one hand, the utility model not only can prevent the slip between circuit board and the fixed frame by support section (being the step surface of reference column) and localization part (being reference column and pilot hole) are integrated, and also greatly reduces production cost.
Need to prove, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.All any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all be included in the protection domain of the present utility model.
Claims (15)
1. the interior circuit board of infrared touch screen equipment fixes and positions assembly, it is characterized in that, comprise circuit board, be positioned at and touch fixed frame, the buckle and the reference column that link to each other with described fixed frame around the surveyed area and be located on the circuit board and described reference column corresponding positioning hole;
Described reference column comprises the first half and Lower Half, and Lower Half is wider than the first half and is step-like setting, by buckle and reference column step surface circuit board and fixed frame is blocked press fit; The size of described pilot hole realizes location to circuit board by pilot hole to the restriction of the reference column first half between the first half and Lower Half cross-sectional area.
2. circuit board according to claim 1 fixes and positions assembly, it is characterized in that, described buckle is unidirectional buckle, and described buckle is arranged at the both sides of fixed frame.
3. circuit board according to claim 2 fixes and positions assembly, it is characterized in that, the described buckle that is arranged at the fixed frame both sides is interspersed.
4. circuit board according to claim 2 fixes and positions assembly, it is characterized in that, the both sides of described circuit board are provided with breach, and the position of described breach is corresponding with the snapped-in position that is arranged at the fixed frame both sides respectively, and the shape of breach and buckle inboard match.
5. circuit board according to claim 1 fixes and positions assembly, it is characterized in that, described buckle is two-way buckle, is arranged on the described fixed frame, is provided with porose with the buckle corresponding position on the described circuit board;
Described buckle passes the described reference column step surface of corresponding Kong Bingyu and matches, and circuit board and fixed frame are blocked press fit.
6. circuit board according to claim 1 fixes and positions assembly, it is characterized in that, described buckle is the two-way buckle that is provided with base, and the corresponding position of described circuit board and fixed frame is provided with the hole;
Described buckle passes corresponding hole on circuit board and the fixed frame, by described base and described reference column step surface circuit board and fixed frame is blocked press fit.
7. circuit board according to claim 6 fixes and positions assembly, it is characterized in that, the hole that is arranged on the described fixed frame also comprises first step, to block described base.
8. circuit board according to claim 6 fixes and positions assembly, it is characterized in that, described buckle also is provided with the second step of support circuit plate, and the step surface of described second step and the step surface of described reference column are in a plane.
9. fix and position assembly according to each described circuit board of claim 1-8, it is characterized in that, described reference column is arranged at the edge and/or the centre of fixed frame.
10. fix and position assembly according to each described circuit board of claim 1-8, it is characterized in that, the height of described reference column step surface fixed distance frame inboard is at least greater than the maximum height that is arranged on the electronic devices and components on the circuit board.
11. fix and position assembly, it is characterized in that also be provided with ledge structure on the described fixed frame, the step surface of described ledge structure and the step surface of described reference column are in a plane according to each described circuit board of claim 1-8.
12. circuit board according to claim 11 fixes and positions assembly, it is characterized in that, described ledge structure is arranged at the edge and/or the centre of fixed frame.
13. a touch-screen is characterized in that, comprises that each described circuit board of claim 1-12 fixes and positions assembly.
14. an interactive display is characterized in that, comprises that each described circuit board of claim 1-12 fixes and positions assembly.
15. a touch system is characterized in that, comprises that each described circuit board of claim 1-12 fixes and positions assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202045339U CN201741133U (en) | 2010-05-25 | 2010-05-25 | Circuit board fixing and positioning module, touch screen, interactive display and touch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202045339U CN201741133U (en) | 2010-05-25 | 2010-05-25 | Circuit board fixing and positioning module, touch screen, interactive display and touch system |
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| Publication Number | Publication Date |
|---|---|
| CN201741133U true CN201741133U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202045339U Expired - Fee Related CN201741133U (en) | 2010-05-25 | 2010-05-25 | Circuit board fixing and positioning module, touch screen, interactive display and touch system |
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| CN (1) | CN201741133U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866741A (en) * | 2012-09-28 | 2013-01-09 | 北京汇冠新技术股份有限公司 | Touch screen and frame assembly thereof |
| CN106448471A (en) * | 2016-11-04 | 2017-02-22 | 常州信息职业技术学院 | Message display device |
| CN111986867A (en) * | 2020-07-29 | 2020-11-24 | 法雷奥西门子新能源汽车(深圳)有限公司 | Component mounting assembly and component mounting method |
| CN113431999A (en) * | 2021-06-23 | 2021-09-24 | 陕西法士特齿轮有限责任公司 | Sensor fixing structure |
-
2010
- 2010-05-25 CN CN2010202045339U patent/CN201741133U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866741A (en) * | 2012-09-28 | 2013-01-09 | 北京汇冠新技术股份有限公司 | Touch screen and frame assembly thereof |
| CN102866741B (en) * | 2012-09-28 | 2017-07-28 | 北京汇冠新技术股份有限公司 | Touch-screen frame assembly and touch-screen |
| CN106448471A (en) * | 2016-11-04 | 2017-02-22 | 常州信息职业技术学院 | Message display device |
| CN106448471B (en) * | 2016-11-04 | 2019-01-11 | 常州信息职业技术学院 | Information display device |
| CN111986867A (en) * | 2020-07-29 | 2020-11-24 | 法雷奥西门子新能源汽车(深圳)有限公司 | Component mounting assembly and component mounting method |
| CN111986867B (en) * | 2020-07-29 | 2022-05-17 | 法雷奥西门子新能源汽车(深圳)有限公司 | Component mounting assembly and component mounting method |
| CN113431999A (en) * | 2021-06-23 | 2021-09-24 | 陕西法士特齿轮有限责任公司 | Sensor fixing structure |
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Assignee: Guangzhou Hua Xin Electronic Science and Technology Co., Ltd. Assignor: Beijing UNITOP New Technology Co., Ltd. Contract record no.: 2014990000925 Denomination of utility model: Circuit board fixing and positioning module, touch screen, interactive display and touch system Granted publication date: 20110209 License type: Common License Record date: 20141212 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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Assignee: Guangzhou Hua Xin Electronic Science and Technology Co., Ltd. Assignor: Beijing UNITOP New Technology Co., Ltd. Contract record no.: 2014990000925 Date of cancellation: 20160831 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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Addressee: Beijing UNITOP New Technology Co., Ltd. Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20180525 |