CN202374240U

CN202374240U - Strip-shaped sliding touch-control display device

Info

Publication number: CN202374240U
Application number: CN 201120493953
Authority: CN
Inventors: 丘守庆; 许申生; 李鹏; 赵克芝; 耿天剑
Original assignee: SHENZHEN CHK ELECTRONICS CO Ltd
Current assignee: Xin Huike limited company of Shenzhen
Priority date: 2011-12-02
Filing date: 2011-12-02
Publication date: 2012-08-08
Anticipated expiration: 2021-12-02

Abstract

A strip-shaped sliding touch-control display device comprises a strip-shaped framework arranged on a circuit board and a plurality of contact spring plates, wherein a row of through-holes are formed on the strip-shaped framework at intervals, horizontal slotted holes are formed at the upper edges of the row of the through-holes, and photomask strips with a plurality of small photomasks are clamped in the horizontal slotted holes; the plurality of contact spring plates are respectively mounted in the corresponding through-holes on the framework, and each contact spring plate is welded with the connecting terminal of a corresponding charge detection unit on the circuit board via the welding part at the tail part of the support strip of the contact spring plate, so as to form a conductive key; and allusion areas corresponding to the small photomasks corresponding to the conductive keys on the circuit board are welded with LEDs, the contact spring plates are touched in a sliding manner or sensed in a point contact manner is identified via a recognition control module on the circuit board, and the corresponding LEDs are driven to radiate and form light tapes. The recognition control module can identify that the contact spring plate is touched in the sliding manner or sensed in a point touch, and can be mounted in the operating interface window of an induction cooker and other household appliances as an input component, and the installation and the maintenance are convenient.

Description

A kind of strip sliding touch display unit

Technical field

The utility model relates to the induction input display device that is used for electronic product, particularly a kind of strip sliding touch display unit with light belt Presentation Function, and this device is disposed at small household electrical appliance such as electromagnetic oven, electric heater etc. use as input block.

Background technology

Household electrical appliance; Particularly the small household electrical appliance polygamy is equipped with input unit, and like mechanical switch formula, electronic type input unit, but the many singly-bounds that can only adapt to of existing input unit are clicked input; Input speed is low; When clicking fast input and slip and touch by input, misoperation increases, and many no lightshow functions during input operation.And complex manufacturing has many operations that need hand to take part in weldering, and production cost is high, and quality is wayward.

Summary of the invention

The above-mentioned deficiency that the input unit that uses in view of existing small household electrical appliance exists; The utility model provides a kind of strip sliding touch display unit; It can touch, slide touch manner to the master controller input signal with quick point, has the light belt Presentation Function simultaneously, can use automated production equipment production; Production efficiency is high, satisfies the design demand of small household electrical appliance.

The strip sliding touch display unit of the utility model comprises:

One is loaded with the circuit board of identification control module;

One bar shaped skeleton, the bar shaped skeleton is arranged on the circuit board, at interval an exhausting hole is set on the bar shaped skeleton, and the upper edge of this exhausting hole is provided with the translot hole, clamps the light shield bar with some little light shields in this translot hole; And

Some touch shell fragments; They are installed in respectively in the through hole of correspondence of said bar shaped skeleton; And each splicing ear that touches corresponding on the connecting portion of shell fragment through its support bar tail end and a circuit board charge detection unit welds formation one sensor key; Corresponding with the corresponding little light shield of this sensor key zone LED that is welded that hints obliquely on circuit board, said identification control module is used to discern said touch shell fragment is slided and is touched or the some touch sensible, and drives the luminous formation light belt of corresponding LED.

Said touch shell fragment one edge extends a support bar downwards, and the tail end of this support bar is provided with connecting portion.

The utility model device is the strip component that contains a plurality of touch shell fragments, and what each touched the corresponding little light shield of shell fragment hints obliquely at the zone LED that is welded, and discerns said touch shell fragment through the identification control module on the circuit board and is touched, and drive the luminous formation light belt of corresponding LED.The operation face-piece window place that can conveniently be installed to household appliances uses as input block, installs, easy to maintenance, can satisfy the design demand of small household electrical appliance.

The identification control module of this device etc. can be discerned said touch shell fragment and slided and touch or the some touch sensible, can put touchs fast, the slip touch manner is sensed the touch location signal to master controller input; No matter simultaneously, follow banded light belt to show during the induction input operation, be a touch or slip touch operation, extends to position of rest from start bit and all can form light belt.

Description of drawings

Fig. 1 is an example structure sketch map of this strip sliding touch display unit;

Fig. 2 is the exploded view of Fig. 1 embodiment;

Fig. 3 is the front view of Fig. 1 embodiment;

Fig. 4 is the end view of Fig. 3;

Fig. 5 is the electric theory diagram of Fig. 1 embodiment;

Fig. 6 is a charge detection unit instance graph among Fig. 5.

Embodiment

Specify below in conjunction with accompanying drawing embodiment.

With reference to Fig. 1-4, embodiment strip sliding touch display unit mainly comprises: circuit board 1, bar shaped skeleton 2 and the some touch shell fragments 23 etc. that are loaded with the identification control module.

At interval an exhausting hole 22 is set on the bar shaped skeleton 2, the upper edge of this exhausting hole is provided with translot hole 23, clamps the light shield bar 20 with some little light shields 21 in this translot hole 23, and bar shaped skeleton 2 is fixed on the circuit board 1 through screw 11.

Some touch shell fragments 3 are installed in respectively in the through hole 22 of correspondence of said bar shaped skeleton 2; And each splicing ear 13 that touches corresponding on the connecting portion of shell fragment 3 through its support bar 31 tail ends and the circuit board 1 a charge detection unit welds formation one sensor key; Corresponding with the corresponding little light shield of this sensor key 21 zone LED that is welded that hints obliquely on circuit board 1; Said identification control module is used to discern said touch shell fragment is slided and is touched or the some touch sensible, and drives the luminous formation light belt of corresponding LED.

Above-mentioned touch shell fragment 3 one edges extend a support bar 31 downwards, and the rear of support bar 31 is a connecting portion 31 '.

The connecting portion 31 ' of this support bar 31 passes circuit board, constitutes a sensor key with splicing ear 13 welding of a corresponding charge detection unit.

Touching shell fragment 3 according to design demand can be rectangular, oval, circle or polygon etc.

Circuit parts such as identification control module are with reference to theory diagram 5,6.The identification control module comprises microprocessor MCU, signal generator, analog to digital converter ADC, variable connector, communication interface and 7 charge detection unit etc.Signal generator is connected in the control end of MCU; MCU one input connects ADC; The ADC input connects variable connector, and each input of variable connector connects a charge detection circuit respectively, and the input of all charge detection unit all receives the 100-1000kHz pulse signal that signal generator is presented; On the circuit board 1 with bar shaped skeleton 2 on each light shield 21 corresponding hint obliquely at zone two LED that are welded, these LED are respectively by the port driver of MCU.

The identification control module preferably adopts built-in MCU, ADC and the SoC chip of the signal generator etc. of 100-1000kHz pulse signal can be provided.The 100-1000kHz pulse signal that signal generator produces can be that square wave also can be sinusoidal wave, also can adopt the signal generator among the MCU directly to produce.

Fig. 6 charge detection unit comprises the capacitor C 1 and capacitor C 2 that is connected in series; Capacitor C 2 free ends connect the lead-out terminal of charge detection circuit through rectifier diode D2; Be connected load resistance R2 between this lead-out terminal and the ground; The positive pole of rectifier diode D2 oppositely meets diode D1 to ground, and the common port of capacitor C 1 and capacitor C 2 is through resistance R 1 ground connection, and the common port of these two capacitor C 1, C2 is connected to a splicing ear 13 of above-mentioned correspondence simultaneously; Like Fig. 4 splicing ear 13 is a slice copper thin (tape welding tin) corresponding on the circuit board; Be positioned at the back of circuit board under the bar shaped skeleton 2 corresponding through holes 22, the weld part 31 ' that touches the support bar 31 of shell fragment 3 passes circuit board, constitutes a sensor key with these splicing ear 13 welding.

The high-frequency signal that signal generator produces through rectifier diode D2 rectification, generates dc level signal (being charge detection unit output voltage) through capacitor C 1, C2 at load resistance R2 two ends, convert digital quantity input MCU through variable connector to by ADC.Under the normal condition, the flow through quantity of electric charge of capacitor C 1, C2 of the high-frequency signal that signal generator produces is certain, also is certain by the level signal after the rectifier diode D2 rectification; When the said touch shell fragment 3 of the finger touch of human body; Finger and the inductance capacitance that touches a bleed off electric charge of shell fragment 3 surface formation; When the high-frequency signal process capacitor C 1 that signal generator sends, C2; Part electric charge will pass through said touch shell fragment 3 and the inductance capacitance that human finger forms, and flow to the earth through the human body transfer, thereby the level signal after the D2 rectification is descended.MCU will detect the level signal variable quantity before and after the human finger touch sensible, analyzing and processing; Obtain having or not the judgement of human finger near said sensing chip; Be transferred to main frame through communication interface, and drive the luminous formation light belt of corresponding LED according to setting program.

Because this device is a strip sensor key row member; Some sensor keys are arranged; MCU can detect the position of finger on sensor key row at a high speed; And will light LED lamp that should sensor key, when sliding on sensor key row, finger touches or point when touching, and the LED that the MCU may command is set lights the formation light belt successively.

Can realize that through this device the touch-control light belt shows.When sliding to touch or put, finger touches shell fragment 3; The said touch shell fragment 3 that is touched or put touch sensible by sliding is gone out by corresponding electric charge detection; And then through identification control module identification processing; Drive the luminous formation light belt of corresponding LED with setting program, and give main frame through communication interface transmission data.

When finger forward slides when touching to the other end from an end of said device, the corresponding LED of corresponding sensor key that is responded to just successively one one light, and then finger slides to prolong and forms a light belt; When the reverse slip of finger touches, the LED that was lighted originally just successively one one extinguish, light belt shortens with the slip of finger.

Forward put when touching from the top terminad of said device when finger, when point touched certain sensor key position, all corresponding LED of sensor key to this sensor key were lighted one by one from top, formed a light belt of top sensor key-this sensor key; Corresponding LED extinguishes successively after pointing when top direction point touches, put the sensor key position that touches, and light belt is with the mobile shortening of pointing, till initiating terminal.

This device can be disposed at small household electrical appliance and use as input block, like electromagnetic oven, electric heater or the like.As this device being installed, can form products such as sliding touch electromagnetic oven with light belt Presentation Function at the window place of electromagnetic oven operation face-piece.

Claims

1. a strip sliding touch display unit comprises the circuit board that is loaded with the identification control module, it is characterized in that also comprising:

One bar shaped skeleton, bar shaped skeleton are arranged on the circuit board 1, at interval an exhausting hole are set on the bar shaped skeleton, and the upper edge of this exhausting hole is provided with the translot hole, clamps the light shield bar with some little light shields in this translot hole; And

2. strip sliding touch display unit as claimed in claim 1 is characterized in that: said touch shell fragment one edge extends a support bar downwards, and the tail end of this support bar is provided with connecting portion.

3. according to claim 1 or claim 2 strip sliding touch display unit is characterized in that: said touch shell fragment is rectangular, oval, circle or polygon.

4. strip sliding touch display unit as claimed in claim 1 is characterized in that: said identification control module is built-in MCU, ADC and the SoC chip that the signal generator of 100-1000kHz pulse signal can be provided.