CN212781989U - Capacitive touch detection device - Google Patents

Abstract

The utility model discloses a capacitanc touch detection device, which comprises a supporting pedestal and is characterized by further comprising, supporting pedestal's upper end fixed mounting has protective housing, the fixed mounting groove that is provided with of avris of supporting pedestal, the mounting groove is symmetric distribution in supporting pedestal's avris, protective housing's inside fixed mounting has the electric capacity body, protective housing's upper right end fixed mounting has the pilot lamp, supporting pedestal's right-hand member fixed mounting has the connecting bottom plate, the upper end movable mounting of connecting bottom plate has the metal block, the middle part movable mounting of metal block has capacitanc sensor, capacitanc sensor's left end fixedly connected with connecting wire. The utility model discloses have and install capacitanc sensor on the metal block and need not change the metal block simultaneously, only need change capacitanc sensor, avoid capacitanc sensor variation in size to appear becoming flexible and leading to the not good phenomenon of detection effect to make things convenient for capacitanc sensor to change and fix, improve the device's detection effect.

Description

Capacitive touch detection device

Technical Field

The utility model relates to a capacitanc touch technology field specifically is a capacitanc touch detection device.

Background

The capacitive touch key is generally directly drawn on a PCB (printed circuit board) by adopting a PCB (printed circuit board) direct manufacturing mode, according to different PCB media, a self-capacitance C P is formed between a touch pad of the PCB and a peripheral GND signal or GND plane, when no touch event occurs, the self-capacitance is called a baseline capacitance, when a human hand touches the key, an original electric field is changed when a person or a touch object is in contact with the surface of the touch key, so that the original capacitance is changed, the capacitance caused by the touch of the human hand is called C F, the self-capacitance of the touch key is CS, the CS is C P + C F, and the capacitive touch key detection technology is used for judging whether the touch event occurs or not by detecting the change of the self-capacitance of the touch key.

The existing capacitive touch detection device cannot be used for quickly and conveniently replacing the capacitive sensor, cannot be adjusted under the accurate and quick condition, is low in replacement speed, reduces the working efficiency, and is inconvenient for a user because the power line and the capacitor are required to be connected through screw threads during the existing capacitance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a capacitanc touch detection device to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a capacitanc touch detection device, includes the supporting baseplate, the upper end fixed mounting of supporting baseplate has protective housing, the fixed mounting groove that is provided with of avris of supporting baseplate, the mounting groove is the avris of symmetric distribution in the supporting baseplate, protective housing's inside fixed mounting has the electric capacity body, protective housing's upper right end fixed mounting has the pilot lamp, the pilot lamp is positive negative pole distribution in protective housing's upper right end, the right-hand member fixed mounting of supporting baseplate has the connection bottom plate, the upper end movable mounting of connection bottom plate has the metal block, the middle part movable mounting of metal block has capacitanc sensor, capacitanc sensor's left end fixedly connected with connecting wire, connecting wire and electric capacity body electric connection.

Preferably, the fixed standing groove that is provided with in middle part of metal block, standing groove and capacitive sensor looks adaptation, state the fixed slot that is provided with in middle part at both ends around the metal block, the inboard movable mounting of fixed slot has the clamping bar, the clamping bar extends to the inboard of standing groove, the top fixed mounting of clamping bar has fixed button, through setting up the fixed slot to installed the clamping bar, made installation capacitive sensor need not change simultaneously on the metal block, only need change capacitive sensor, avoided capacitive sensor of variation in size inconvenient phenomenon when the change appears, avoided capacitive sensor variation in size to appear becoming flexible simultaneously and lead to the not good phenomenon of detection effect, solved current capacitive touch detection device can not conveniently change the problem of capacitive sensor.

Preferably, the fixed spout that is provided with in inboard of connecting the bottom plate, the inside fixed mounting at both ends has the connection magnetite around the connecting the bottom plate, connect the magnetite and extend to the upper end of connecting the bottom plate, connect magnetite and metal block magnetism and be connected, through the erection joint magnetite for can slide the metal block through magnetism during capacitive sensor adjustment, avoid taking up the metal block once more the adjustment at fixed process, need spend a large amount of time when taking up the readjustment simultaneously, reduce work efficiency, thereby make the metal block can be at the quick adjustment under the higher condition of precision, solved the problem of the inconvenient adjustment of current metal block.

Preferably, the fixed power wiring groove that is provided with in upper left end of protecting sheathing, the inboard fixed mounting of power wiring groove has the conducting strip, through installing the conducting strip at power wiring inslot for the device need not reuse the screw fixation power cord, can insert the power in the power wiring inslot then carry the power through the conducting strip to the device, thereby has improved the device's convenience.

Preferably, conducting strip and capacitor body electric connection, the power wiring groove is positive negative pole distribution and protective housing's upper left end, the power wiring groove is square structure, through conducting strip and capacitor body directness be connected, has reduced the process of screw thread screw fixation, also can not appear the phenomenon that drops for a long time simultaneously.

Preferably, the outside fixed mounting in power wiring groove has insulating rubber blanket, insulating rubber blanket is the positive direction structure, insulating rubber blanket is located the avris in the power wiring groove outside, through the insulating rubber blanket of installation, has avoided the phenomenon of electric leakage to appear in the power for the device can not receive the power electric leakage and lead to the not good phenomenon of effect that detects, thereby has improved the device's protection effect.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the capacitance type touch detection device has the advantages that the fixed groove is arranged, the clamping rod is arranged, the capacitance type sensors are arranged on the metal block and do not need to be replaced simultaneously, only the capacitance type sensors need to be replaced, the phenomenon that the capacitance type sensors with different sizes are inconvenient to replace is avoided, meanwhile, the phenomenon that the detection effect is poor due to the fact that the capacitance type sensors are loosened due to different sizes is avoided, replacement and fixation of the capacitance type sensors are facilitated, the detection effect of the device is improved, the metal block can slide through magnetism when the capacitance type sensors are adjusted through the installation of the magnets, the process of taking up and adjusting the metal block again to be fixed is avoided, a large amount of time is spent when the metal block is taken up and adjusted again, the working efficiency is reduced, the metal block can be adjusted rapidly under the condition of higher accuracy, and the adjustment speed of the metal block, the working effect is improved, the conducting strip is arranged in the power supply wiring groove, the device does not need to use screws to fix the power line again, the power supply can be inserted into the power supply wiring groove and then the power supply is conveyed to the device through the conducting strip, and therefore the convenience of the device is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic view of the sectional structure of the protective casing of the present invention;

FIG. 4 is a schematic cross-sectional view of the metal block of the present invention;

FIG. 5 is an enlarged schematic view of the conducting strip of the present invention;

in the figure: 1. a support base plate; 2. a protective housing; 3. mounting grooves; 4. a capacitor body; 5. an indicator light; 6. connecting the bottom plate; 7. a metal block; 8. a capacitive sensor; 9. a connecting wire; 10. a placement groove; 11. fixing grooves; 12. a clamping lever; 13. a fixed button; 14. a chute; 15. connecting a magnet; 16. a power supply wiring slot; 17. a conductive sheet; 18. an insulating rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a capacitanc touch detection device, including supporting baseplate 1, supporting baseplate 1's upper end fixed mounting has protective housing 2, supporting baseplate 1's avris fixed mounting groove 3 that is provided with, mounting groove 3 is the avris of symmetric distribution in supporting baseplate 1, protective housing 2's inside fixed mounting has electric capacity body 4, protective housing 2's upper right end fixed mounting has pilot lamp 5, pilot lamp 5 is positive negative pole distribution in protective housing 2's upper right end, supporting baseplate 1's right-hand member fixed mounting has connecting baseplate 6, connecting baseplate 6's upper end movable mounting has metal block 7, the middle part movable mounting of metal block 7 has capacitanc sensor 8, capacitanc sensor 8's left end fixedly connected with connecting wire 9, connecting wire 9 and electric capacity body 4 electric connection.

Further, the fixed standing groove 10 that is provided with in middle part of metal block 7, standing groove 10 and capacitive sensor 8 looks adaptation, state the fixed slot 11 that is provided with in middle part at both ends around metal block 7, the inboard movable mounting of fixed slot 11 has clamping bar 12, clamping bar 12 extends to the inboard of standing groove 10, the top fixed mounting of clamping bar 12 has fixed button 13, through setting up fixed slot 11, and clamping bar 12 has been installed, make installation capacitive sensor 8 need not change simultaneously on metal block 7, only need change capacitive sensor 8, inconvenient phenomenon when having avoided capacitive sensor 8 of variation in size to appear changing, the not hard up phenomenon that leads to the not good detection effect of capacitive sensor 8 variation in size has been avoided simultaneously, thereby made things convenient for capacitive sensor 8 to change and fix, the detection effect of the device has been improved.

Further, the fixed spout 14 that is provided with in inboard of connecting bottom plate 6, the inside fixed mounting at both ends has the connection magnetite 15 around connecting bottom plate 6, it extends to the upper end of connecting bottom plate 6 to connect magnetite 15, it is connected with metal block 7 magnetism to connect magnetite 15, through erection joint magnetite 15, can slide metal block 7 through magnetism during making capacitive sensor 8 adjustment, avoided taking up metal block 7 once more the adjustment at fixed process, it needs to spend a large amount of time when adjusting once more to take up simultaneously, the work efficiency is reduced, thereby make metal block 7 can be at the quick adjustment under the higher condition of precision, thereby the adjustment rate of metal block 7 has been improved, the work effect is improved.

Further, the fixed power wiring groove 16 that is provided with in upper left end of protective housing 2, the inboard fixed mounting of power wiring groove 16 has conducting strip 17, through installing conducting strip 17 in power wiring groove 16 for the device need not reuse the screw fixation power cord, can insert the power in power wiring groove 16 then carry the power through conducting strip 17 to the device, thereby has improved the device's convenience.

Further, conducting strip 17 and capacitor body 4 electric connection, power wiring groove 16 are positive negative pole distribution and the upper left end of protective housing 2, and power wiring groove 16 is square structure, through conducting strip 17 and capacitor body 4 directness be connected, has reduced the process of screw thread screw fixation, also can not appear the phenomenon that drops for a long time simultaneously.

Further, the outside fixed mounting of power wiring groove 16 has insulating rubber pad 18, and insulating rubber pad 18 is the positive direction structure, and insulating rubber pad 18 is located the avris in the power wiring groove 16 outside, through installing insulating rubber pad 18, has avoided the phenomenon of electric leakage to appear in the power for the device can not receive the power electric leakage and lead to the not good phenomenon of effect that detects, thereby has improved the protection effect of the device.

The utility model discloses a theory of operation: firstly, the device detects an object to be detected through the capacitive sensor 8, the connecting wire 9 and the capacitor body 4 when in operation, then the detected data is obtained through the indicator lamp 5, at the moment, when the capacitive sensor 8 needs to be replaced, the capacitive sensor 8 is taken out from the placing groove 10, then the replaced capacitive sensor 8 is placed, the front end and the rear end of the capacitive sensor 8 are clamped through the clamping rod 12 in the fixing groove 11, meanwhile, the phenomenon that the detection effect is poor due to looseness caused by different sizes of the capacitive sensor 8 is avoided, therefore, the replacement and the fixation of the capacitive sensor 8 are convenient, the detection effect of the device is improved, then when the metal block 7 needs to be adjusted, the metal block 7 can slide through magnetism when the capacitive sensor 8 is adjusted, the process of taking up and adjusting the metal block 7 again in a fixing process is avoided, and meanwhile, a large amount of time is spent when the metal block 7 is, work efficiency has been reduced to make metal block 7 can be at the quick adjustment under the higher condition of precision, thereby improved metal block 7's adjustment speed, improved the working effect, and the device need not reuse the screw fixation power cord, can insert the power in power wiring groove 16 then carry the power through conducting strip 17 to the device, thereby improved the device's convenience.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A capacitive touch detection device comprising a support base (1), characterized in that: the upper end of the supporting bottom plate (1) is fixedly provided with a protective shell (2), the side of the supporting bottom plate (1) is fixedly provided with a mounting groove (3), the mounting grooves (3) are symmetrically distributed on the lateral sides of the supporting bottom plate (1), the capacitor body (4) is fixedly mounted inside the protective shell (2), an indicator light (5) is fixedly arranged at the upper right end of the protective shell (2), the indicator light (5) is in a positive-negative distribution at the upper right end of the protective shell (2), the right end of the supporting bottom plate (1) is fixedly provided with a connecting bottom plate (6), a metal block (7) is movably arranged at the upper end of the connecting bottom plate (6), a capacitance sensor (8) is movably arranged in the middle of the metal block (7), the left end fixedly connected with connecting wire (9) of capacitanc sensor (8), connecting wire (9) and electric connection of electric capacity body (4).

2. A capacitive touch sensing device according to claim 1, wherein: the fixed standing groove (10) that is provided with in middle part of metal block (7), standing groove (10) and capacitanc sensor (8) looks adaptation, the fixed slot (11) that is provided with in middle part at both ends around stating metal block (7), the inboard movable mounting of fixed slot (11) has clamp rod (12), clamp rod (12) extend to the inboard of standing groove (10), the top fixed mounting of clamp rod (12) has fixed button (13).

3. A capacitive touch sensing device according to claim 1, wherein: the inboard of connecting bottom plate (6) is fixed and is provided with spout (14), the inside fixed mounting at both ends has connection magnetite (15) around connecting bottom plate (6), connect magnetite (15) and extend to the upper end of connecting bottom plate (6), it is connected with metal block (7) magnetism to connect magnetite (15).

4. A capacitive touch sensing device according to claim 1, wherein: the upper left end of protective housing (2) is fixed and is provided with power wiring groove (16), the inboard fixed mounting in power wiring groove (16) has conducting strip (17).

5. A capacitive touch sensing device according to claim 4, wherein: conducting strip (17) and electric connection of electric capacity body (4), power wiring groove (16) are positive negative pole distribution and the upper left end of protecting sheathing (2), power wiring groove (16) are square structure.

6. A capacitive touch sensing device according to claim 4, wherein: the outside fixed mounting of power wiring groove (16) has insulating rubber pads (18), insulating rubber pads (18) are positive direction structure, insulating rubber pads (18) are located the avris in power wiring groove (16) outside.

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