CN101519174B - Ultra thin type elevator plastic calling box - Google Patents
Ultra thin type elevator plastic calling box Download PDFInfo
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- CN101519174B CN101519174B CN2009100972125A CN200910097212A CN101519174B CN 101519174 B CN101519174 B CN 101519174B CN 2009100972125 A CN2009100972125 A CN 2009100972125A CN 200910097212 A CN200910097212 A CN 200910097212A CN 101519174 B CN101519174 B CN 101519174B
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- display module
- calling box
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Abstract
The invention relates to an ultra thin type elevator plastic calling box and a button circuit thereof. A shell is formed into a containing zone and provided with a display window and button through holes, the display window is covered by a cover board; a display device comprises a display module, a printed circuit board (PCB) and an electric component, the display module is arranged on the front face of the PCB, and the display module corresponds to the display window of the shell when the PCB is arranged in the containing zone of the shell; and the electric component and a button contact device are arranged under the front face of the PCB. The elevator calling box thins the display device because the prior electric component is moved to the front face of the circuit board from the back face of the circuit board and is downwards moved into the original vacant space, thereby solving the thickness problem of the elevator non-bottom calling box. The invention integrates the button device into the display device, is designed integrally, simplifies the button structure, and also solves the problems of space, thickness, resilience hand feeling and cost of the button.
Description
Technical field
The invention belongs to elevator spare parts manufacture technical field, ultrathin plastic calling box and button circuit thereof that particularly a kind of elevator is used.
Background technology
In the elevator building, each floor all need assemble at least one elevator calling box, and it is used to call the up and descending of elevator.Present elevator does not have the structure of end hall buttons referring to Fig. 1-5, and it comprises housing 1, demonstration cover plate 2, pushbutton unit 3, the read out instrument 4 at the no end.Have advantages such as intensity height, good looking appearance because of metallic material, present housing adopts metallic materials such as corrosion-resistant steel, aluminum alloy to make usually, but also there are some defectives in it, and is high as manufacturing process complexity, cost; In addition, metal shell need weld increases fixed parts, and reliability is not high, and the processing technology complexity.
The pushbutton unit 3 of traditional elevator hall buttons adopts stand-alone configuration, and referring to Fig. 3, it comprises button activity main body 3.1, button answer part (as spring or metal plate spring) 3.2, button housing 3.3, wiring board 3.4, button anchor 3.5.The drawback that existing free-standing button exists: at first, parts are more, and complex structure be not easy to install, and cost is also high; Secondly, button is replied part and is adopted spring or metal plate spring usually, and these answer parts are all followed Hook's law, thereby makes button that different return forces be arranged when different stroke, causes feel poor, and spring or metal plate spring fatiguability, and service life is short.
The read out instrument 4 of existing elevator calling box generally includes display module 4.1, PCB wiring board 4.2 and 4.3 three parts of electronics unit's device, shown in Fig. 4,5, display module 4.1 is superimposed upon the front surface of PCB wiring board 4.2,4.3 back sides that are superimposed upon PCB wiring board 4.2 of electronic devices and components.Referring to Fig. 5, the gross thickness of read out instrument 4 is the thickness t 1 of display module 4.1, the thickness t 2 of PCB wiring board 4.2, thickness t 3 three's sums of electronic devices and components 4.3.And in order to hold read out instrument 4, the thickness of housing 1 must be greater than t1, t2, t3 sum, thereby causes the general thickness of elevator calling box thicker.
Need to realize the transmission of signal between button and display module by button circuit.Existing button circuit is shown in Fig. 6,7: wherein the circuit of Fig. 6 is integrated in the PCB wiring board, and the circuit of Fig. 7 then is assemblied on the button, electrically connects by socket P1 and four leads of P2 butt joint between two circuit.
The button power supply is taken from control housing, and VDD is DC24V-DC32V.When the passenger exhales ladder, button S1 adhesive, at this moment, P1-1 and P1-3 conducting, the in termination is gone into an input port of control chip, when detecting a high level signal, thinks that then this button has calling signal, control chip is transferred to master controller with calling signal, controller response back passback exhales terraced modulating signal for one of control chip, after control chip receives signal, makes aerotron N1 conducting by control Out end, thereby the voltage of P1-2 end is added between P2-2 and the P2-4, lights Push-button lamp LED1.
For intermediate floor, exhale ladder up and exhale terraced descending function, each telltale all must comprise two corresponding Fig. 6,7 to cooperate circuit because must possess simultaneously.
The defective that above-mentioned button circuit exists is:
1, must carry out the signal transmission by at least 3 cables between button and the PCB wiring board, and elevator calling box all needs at least 1 of configuration in each floor of building, so just need a lot of cables, has increased cost; And, need be connected and a lot of cables of dismounting when installing with maintenance, be not easy to installation and maintenance.
2, button input and button signal lamp out-put supply are all taken from the DC24V-DC32V that control housing directly comes out, if voltage instability perhaps has high pressure to seal in, are easy to damage the button signal lamp, even puncture the CPU input port.
Summary of the invention
The invention discloses ultrathin plastic calling box and button circuit thereof that a kind of elevator is used, it has solved, and existing elevator calling box exists that thickness is thicker, the technical matters of complex structure, cost height and troublesome maintenance.
For solving the technical matters of above-mentioned existence, the technical solution used in the present invention is as follows: the ultrathin plastic calling box that elevator is used, the plastic casing (5), first button (7.1), second button (7.2), read out instrument (8), the button touch device (9) that comprise the no end, housing (5) back forms one and holds the district, housing (5) has display window (5.6) and first button pass through hole (5.7), the second button button pass through hole (5.8), and display window (5.6) is by cover plate (6) capping; Read out instrument (8) comprises display module (8.1), PCB wiring board (8.2) and electronic devices and components (8.3), display module (8.1) is installed in the positive top of PCB wiring board (8.2), PCB wiring board (8.2) is inserted holding when distinguishing of housing (5), and display module (8.1) is corresponding to the display window (5.6) of housing (5); Electronic devices and components (8.3) and button touch device (9) are installed in the positive below of PCB wiring board (8.2); Described button touch device (9) comprises replys pad (9.1), first conducting film (9.2), dielectric film (9.3) and second conducting film (9.4), reply first button pass through hole (5.7) of pad (9.1) by housing (5), the second button button pass through hole (5.8) back is over against first button (7.1), second button (7.2), reply pad (9.1) back side and be close to first conducting film (9.2), dielectric film (9.3) is close at the back side of first conducting film (9.2), dielectric film (9.3) and first button (7.1), the opposite position of second button (7.2) is perforated, and second conducting film (9.4) is close at dielectric film (9.3) back side; After first button (7.1), second button (7.2) are pressed, promote to reply pad (9.1) extruding first conducting film (9.2), and the conductive cladding that makes first conducting film (9.2) contacts after by the perforation of dielectric film (9.3) with the conductive cladding of second conducting film (9.4).
Described ultrathin plastic calling box, display module (8.1) is by the reservation pin holes on the contact pin welding PCB wiring board (8.2) that carries.
Described ultrathin plastic calling box, display module (8.1) is by the socket (8.1.3) on flat cable (8.1.2) the connection PCB wiring board (8.2).
Described ultrathin plastic calling box, display module (8.1) adopts LED charactron, LCD or OLED.
Described ultrathin plastic calling box, housing (5) links into an integrated entity by screw with PCB wiring board (8.2).
A kind of button circuit of elevator calling box, button circuit transfers to elevator control cabinet by CPU and communication module with signal, CPU is by the level signal of feedback, the order of decoding elevator control cabinet, the signal of handling through CPU shows elevator operation information by display module, CPU, display module and button circuit are installed on the positive below of PCB wiring board (8.2), apportion two-way after first resistance (R5) of 5V power supply and button circuit links, the first via is by the input port of up switch (S2) and second resistance (R6) back access CPU, and the second the tunnel by inserting another input port of CPU behind downing switch (S3) and the 3rd resistance (R7); Two delivery ports of CPU connect fourth, fifth resistance (R10, R11) of button circuit respectively, the 4th resistance (R10) is connected in series first aerotron (N2), first diode (LED3) and the 6th resistance (R9) successively, and the 5th resistance (R11) is connected in series second aerotron (N3), second diode (LED2) and the 7th resistance (R8) successively.
The button circuit of described elevator calling box, communication module connects CPU by a differential amplifier circuit.
The button circuit of described elevator calling box, CPU is back to elevator control cabinet with signal by communication module by the break-make of an aerotron of control (N5).
The present invention is substituted existing metal shell by plastic casing, its one-shot forming, and this improvement has greatly reduced manufacturing cost, and manufacturing process is simple, outward appearance realizes easily; In addition, plastic casing can adopt buckle-type or the interior damascene copper double-screw bolt of Plastic Parts as the fixed form of inner components and parts, has solved processed complex and integrity problem that prior art exists.
Elevator calling box of the present invention carries out ultrathin design to read out instrument, it moves to existing electronic devices and components part the front of wiring board from the back side of wiring board, and be displaced downwardly in the former clearance spaces, referring to Fig. 9, the gross thickness of read out instrument is the thickness t 3 of electronic devices and components, because of t3 greater than the thickness t 2 of the thickness t 1 of display module and wiring board each, therefore, read out instrument thickness of the present invention has directly reduced t1 and t2 sum.The present invention utilizes clearance spaces dexterously, attenuate the thickness of read out instrument, solved the thickness problem that elevator does not have end hall buttons.
In addition, the present invention is directed to the shortcoming of existing free-standing button, pushbutton unit is incorporated in the read out instrument, and carry out integral type design, substitute original micro-switch by film assembly, substitute the answer part by replying pad, and cancelled button housing and button anchor, simplify press-button structure, solved space, thickness, the feel of resilience and the problem of cost of button simultaneously.
Button circuit of the present invention is integrated on the wiring board, has not only improved the reliability of transmission, has also reduced a large amount of cables simultaneously, has saved cost, installs and safeguard also to make things convenient for.
Button of the present invention input and Push-button lamp are exported and are all taken from after the display power supply resume module+the 5V power supply, have improved the reliability of button.
Description of drawings
Fig. 1 is the block diagram of existing elevator calling box.
Fig. 2 is the three-dimensional exploded view of existing elevator calling box.
Fig. 3 is the three-dimensional exploded view of the pushbutton unit of existing elevator calling box.
Fig. 4 is the three-dimensional exploded view of the read out instrument of existing elevator calling box.
Fig. 5 is the stack thickness relationship figure of the read out instrument of existing elevator calling box.
Fig. 6 is the button circuit figure that existing elevator calling box is integrated in the wiring board part.
Fig. 7. be the circuit diagram that existing elevator calling box is assemblied in part on the button.
Fig. 8 is the three-dimensional exploded view of elevator calling box of the present invention.
Fig. 9 is the STRUCTURE DECOMPOSITION figure of elevator calling box of the present invention.
Figure 10 is the three-dimensional exploded view of the read out instrument of elevator calling box of the present invention.
Figure 11 is the stack thickness relationship figure of the read out instrument of elevator calling box of the present invention.
Figure 12 is the block diagram of the read out instrument of elevator calling box of the present invention.
Figure 13 is the block diagram of other direction of the read out instrument of elevator calling box of the present invention.
Figure 14 is the I portion enlarged drawing of Figure 11.
Figure 15 is the three-dimensional exploded view of button touch device of the present invention.
Figure 16 is button touch device action pre-structure figure.
Figure 17 is a button touch device action back constructional drawing.
Figure 18 is the functional block diagram of elevator calling box of the present invention.
Figure 19 A, 19B are button circuit schematic diagrams of the present invention.
Figure 20 is the difference channel schematic diagram that the present invention adopts.
Figure 21 be control chip of the present invention with elevator control cabinet between the circuit diagram that connects.
Figure 22 is the block diagram of another embodiment read out instrument.
Figure 23 is the other direction block diagram of another embodiment read out instrument.
Figure 24 is the II portion enlarged drawing of Figure 23.
Specific implementation method
The present invention elaborates below in conjunction with description of drawings.
Embodiment one: shown in Fig. 81, elevator calling box of the present invention comprises plastic casing 5, button 7.1,7.2, read out instrument 8, the button touch device 9 at the no end.
Read out instrument 8 comprises display module 8.1, PCB wiring board 8.2 and electronic devices and components 8.3, and display module 8.1 can adopt LED charactron, LCD or OLED, and it is used to show the information of elevator operation.PCB wiring board 8.2 is used to install display module 8.1, electronic devices and components 8.3 and button touch device 9, electronic devices and components such as power module, signal processing module, driver module etc.Have six through hole 8.2.1 on the PCB wiring board 8.2, these six through hole 8.2.1 are corresponding with the embedded copper stud 5.1 of housing 5 respectively.When housing 5 and read out instrument 8 are assembled into one, after screw 10 passes the through hole 8.2.1 of PCB wiring board 8.2, screw with the embedded copper stud 5.1 of housing 5.
Display module 8.1 is installed in PCB wiring board 8.2 positive tops, and electronic devices and components 8.3 and button touch device 9 are installed in positive below, and button touch device 9 is in the middle part of PCB wiring board 8.2.
Display module 8.1 respectively carries a socket pin up and down, and contact pin injects the reservation pin holes on the PCB wiring board 8.2, the solder joint 8.1.1 that the back forms by welding.Like this, both display module 8.1 can be fixed on the PCB wiring board 8.2, but transmission signals again.
The read out instrument of elevator calling box of the present invention has changed traditional stacked system, strengthened PCB wiring board 8.2, its the first half is used to install display module 8.1, to show that simultaneously needed electronic devices and components 8.3 move on to positive the latter half of PCB wiring board 8.2 from the back side of PCB wiring board 8.2, promptly the electronic devices and components 8.3 of read out instrument are moved to hall buttons Central Plains button area, thereby attenuate the stack gross thickness of read out instrument of elevator calling box, indirectly attenuate the thickness of hall buttons of the no end.
Shown in Figure 15-17, button touch device 9 comprises that answer pad 9.1, first conducting film 9.2, dielectric film 9.3 and second conducting film, 9.4, the first conducting films 9.2, dielectric film 9.3, second conducting film 9.4 are the film assembly of one group of 3-tier architecture.Reply on pad 9.1 fronts two protruding 9.1.1,9.1.2 by behind the through hole of housing over against lug boss 7.1.1, the 7.2.1 of button 7.1,7.2, reply pad 9.1 back sides and be close to first conducting film 9.2, the back side of first conducting film 9.2 is dielectric film 9.3, the opposite position of dielectric film 9.3 and two 7.1.1 of button projection portion, 7.2.1 is perforated, and dielectric film 9.3 back sides are second conducting film 9.4.First conducting film 9.2, second conducting film 9.4 are corresponding to having conductive cladding on the guide pillar position of replying pad 9.1, and dielectric film 9.3 is non-conductive layer.Be 9 actions of button touch device under off working state before, dielectric film 9.3 is isolated first conducting film 9.2 and second conducting film 9.4 with the thickness of self.After button is pressed, promote to reply the guide pillar of pad 9.1, guide pillar pushes first conducting film 9.2, make 9.2 deformation of first conducting film, and the conductive cladding that makes first conducting film 9.2 contacts with the conductive cladding of second conducting film 9.4 after by the perforation of dielectric film 9.3, and realize that button touches, and makes elevator calling box show corresponding state.
After button loses pressure, reply pad 9.1 and make the button resilience, thus pressing button once more.This is replied pad 9.1 and adopts non-linear resilience design, makes button evenly stressed in the process of pushing with resilience, has good force feedback action.
The present invention carries out the integral type design to button 7.1,7.2 and read out instrument 8, substitute original micro-switch by film assembly, substitute the answer part by replying pad, and button housing and button anchor have been cancelled, simplify press-button structure, solved space, thickness, the feel of resilience and the problem of cost of button simultaneously.
As shown in figure 18, power module: elevator control cabinet output DC24V-DC32V voltage, after switch power module is handled, export stable 5V voltage, for control chip CPU and other each module provide operating voltage.
Communication module: control chip CPU sends push-button switch signal, toggle switch address by communication module to elevator control cabinet.Elevator control cabinet is exhaled terraced response signal by communication module to control chip CPU transmission, as elevator current place floor and service direction information.
Display module: can adopt the LED charactron, also can adopt LCD display or OLD read-out and driving circuit to form, under the effect of control chip CPU, show the current floor character and the service direction of elevator operation.
Toggle switch: 6 toggle switch, corresponding address 0-63, corresponding floor address, each toggle switch address.
Button switch: be used for the passenger and exhale ladder, general interlayer all has two button switchs up and down.
Exhale terraced modulating signal: exhale ladder response indicator lamp, corresponding one an of button switch is exhaled terraced lamp.
When elevator was worked, control chip CPU at first inquired about the address of toggle switch, and this address is sent to elevator control cabinet by communication module; Then inquire about upper and lower on off state of exhaling button, it is sent to elevator control cabinet by communication module.After elevator control cabinet receives the upstream or downstream calling signal of a certain address, response signal is returned to control chip CPU by communication module, after control chip CPU received this signal, the output control signal was lighted the terraced lamp of exhaling of response.When arriving a certain floor, elevator control cabinet will show that by communication module number of floor levels and service direction signal send to control chip CPU, show by display module.When this numerical value will remain to next display data arrival.
Shown in Figure 19 A, 19B, the button circuit principle of elevator calling box of the present invention: up-downgoing hall buttons circuit is integrated on the circuit card, and connects with the display module circuit by golden finger.The button power supply is taken from the 5V power supply after power module is handled.Apportion two-way after the resistance R 5 of 5V power supply and button circuit links, the first via is by the input port of up switch S 2 and resistance R 6 back access CPU, the second tunnel another input port by access CPU after downing switch S3 and the resistance R 7; Two delivery ports of CPU connect resistance R 10, the R11 of button circuit respectively, and resistance R 10 is connected in series aerotron N2, diode (LED) 3 and resistance R 9 successively, and resistance R 11 is connected in series aerotron N3, diode (LED) 2 and resistance R 8 successively.
When the passenger exhales ladder, button S2 (exhaling terraced up) or S3 (exhaling terraced descending) adhesive, in1 or in2 termination are gone into two input ports of control chip CPU, when detecting a high level signal, think that then this button has calling signal, control chip CPU is transferred to elevator control cabinet with calling signal, elevator control cabinet response back passback exhales terraced modulating signal for control chip CPU, after control chip CPU receives signal, make aerotron N2 or N3 conducting by control out1 or out2 end, thereby light Push-button lamp LED2 or LED3.Wherein, in1, in2, out1, out2 and+5V and display module circuit electrically connect.
Electrically connect by 4 leads between display module and the elevator control cabinet, connecting relation sees the following form:
| 1 | 2 | 3 | 4 |
| L1 | L2 | GND | VDD |
Wherein, the voltage range of VDD is DC24V～DC40V.
L1 and L2 are the difference from elevator control cabinet, synchronous, serial signal, through LM393 modular circuit DA, CK after difference is amplified, insert CPU.Be difference channel as shown in figure 20, control chip CPU is by judging the level signal of DA, CK end, and the order and the signal of decoding elevator control cabinet transfer to circuit such as button display module after treatment and show.
As shown in figure 21, control chip CPU links to each other with the DO end of this circuit, by the high-low level of control DO end, controls the break-make of aerotron N5, and gives elevator control cabinet with signal by the passback of L1 end.
CPU is according to the pressure reduction of L1 and L2, and the logic level of judging communication signal is for " 0 " or be " 1 ", differentiating method such as following table:
| Voltage?difference | DI | Ck |
| (L1-L2)＞0.8V | ‘1’ | ‘0’ |
| 0.8V≥(L1-L2)≥0.3V | undefined | ‘0’ |
| 0.3V＞(L1-L2)＞-0.3V | ‘0’ | ‘0’ |
| -0.3V≥(L1-L2)≥-0.8V | ‘0’ | undefined |
| -0.8＞(L1-L2) | ‘0’ | ‘1’ |
Realize signal transmission judgement.
Embodiment two: shown in Figure 22-24, display module 8.1 is drawn flat cable 8.1.2, is connected to by flat cable 8.1.2 on the socket 8.1.3 that is welded on the PCB wiring board 8.2, and display module 8.1 is connected with PCB wiring board 8.2.
Other content of present embodiment is identical with embodiment one.
Above-mentioned just to explaining that the embodiment of the invention is done, and be not to its restriction.Those of ordinary skill in the art will be appreciated that, anyly all will fall into protection scope of the present invention to the equivalents that the present invention did.
Claims (5)
1. the ultrathin plastic calling box used of elevator, the plastic casing (5), first button (7.1), second button (7.2), read out instrument (8), the button touch device (9) that comprise the no end, housing (5) back forms one and holds the district, housing (5) has display window (5.6) and first button pass through hole (5.7), second button pass through hole (5.8), and display window (5.6) is by cover plate (6) capping; Read out instrument (8) comprises display module (8.1), PCB wiring board (8.2) and electronic devices and components (8.3), it is characterized in that: display module (8.1) is installed in the positive top of described PCB wiring board (8.2), PCB wiring board (8.2) is inserted holding when distinguishing of housing (5), and display module (8.1) is corresponding to the display window (5.6) of housing (5); Electronic devices and components (8.3) and button touch device (9) are installed in the positive below of PCB wiring board (8.2);
Described button touch device (9) comprises replys pad (9.1), first conducting film (9.2), dielectric film (9.3) and second conducting film (9.4), reply first button pass through hole (5.7) of pad (9.1) by housing (5), second button pass through hole (5.8) back is over against first button (7.1), second button (7.2), reply pad (9.1) back side and be close to first conducting film (9.2), dielectric film (9.3) is close at the back side of first conducting film (9.2), dielectric film (9.3) and first button (7.1), the opposite position of second button (7.2) is perforated, and second conducting film (9.4) is close at dielectric film (9.3) back side; After first button (7.1), second button (7.2) are pressed, promote to reply pad (9.1) extruding first conducting film (9.2), and the conductive cladding that makes first conducting film (9.2) contacts after by the perforation of dielectric film (9.3) with the conductive cladding of second conducting film (9.4).
2. ultrathin plastic calling box according to claim 1 is characterized in that: described display module (8.1) is by the reservation pin holes on the contact pin welding PCB wiring board (8.2) that carries.
3. ultrathin plastic calling box according to claim 1 is characterized in that: described display module (8.1) is by the socket (8.1.3) on flat cable (8.1.2) the connection PCB wiring board (8.2).
4. according to each described ultrathin plastic calling box of claim 1-3, it is characterized in that: described display module (8.1) adopts LED charactron, LCD or OLED.
5. ultrathin plastic calling box according to claim 1 is characterized in that: described housing (5) links into an integrated entity by screw with PCB wiring board (8.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100972125A CN101519174B (en) | 2009-03-30 | 2009-03-30 | Ultra thin type elevator plastic calling box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100972125A CN101519174B (en) | 2009-03-30 | 2009-03-30 | Ultra thin type elevator plastic calling box |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010520773 Division CN101983909B (en) | 2009-03-30 | 2009-03-30 | Button circuit of ultrathin plastic calling box for elevator |
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| Publication Number | Publication Date |
|---|---|
| CN101519174A CN101519174A (en) | 2009-09-02 |
| CN101519174B true CN101519174B (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100972125A Active CN101519174B (en) | 2009-03-30 | 2009-03-30 | Ultra thin type elevator plastic calling box |
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| CN (1) | CN101519174B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622744A (en) * | 2018-07-10 | 2018-10-09 | 上海贝思特电气有限公司 | A kind of elevator expansion board |
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| CN101519174A (en) | 2009-09-02 |
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Effective date of registration: 20201229 Address after: No. 168, Hongda Road, Yuhang Economic Development Zone, Hangzhou, Zhejiang 311103 Patentee after: HANGZHOU XO-LIFT Co.,Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 1181 Patentee before: HANGZHOU OPTIMAX TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Ultra thin plastic call box for elevators Granted publication date: 20110504 Pledgee: Zhejiang Commercial Bank Co.,Ltd. Hangzhou Linping Branch Pledgor: HANGZHOU XO-LIFT Co.,Ltd. Registration number: Y2024980001764 |