CN206611399U - A kind of capacitor type touch switch - Google Patents
A kind of capacitor type touch switch Download PDFInfo
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- CN206611399U CN206611399U CN201720153057.4U CN201720153057U CN206611399U CN 206611399 U CN206611399 U CN 206611399U CN 201720153057 U CN201720153057 U CN 201720153057U CN 206611399 U CN206611399 U CN 206611399U
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- capacitor type
- touch switch
- type touch
- circuit board
- printed circuit
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Abstract
The utility model is related to switching device technology field, discloses a kind of capacitor type touch switch, including housing, circuit arrangement, Metal snap；The circuit arrangement is arranged in the housing, including printed circuit board, and be separately positioned on the printed circuit board touch control electrode, capacitance touch sensing button chip, micro-control unit, PLC interface unit；The Metal snap is arranged on the printed circuit board by a conducting connecting part, and is electrically connected with the touch control electrode, and the housing is provided with button hole, and the Metal snap exposes outside from the button hole.In terms of existing technologies, capacitance switch structure of the present utility model is simple, and goes for PLC programmable logic control systems.
Description
Technical field
The utility model is related to switching device technology field, more particularly to a kind of capacitor type touch switch.
Background technology
With the development of electronic circuit technology, capacitor type touch switch is largely entered as a kind of new switching device
Market, instead of traditional mechanical switch, and be increasingly becoming mainstream applications in hyundai electronicses manufacture.
But, circuit complexity, the structure of capacitor type touch switch of the prior art are cumbersome, therefore it is producing and used
Shi Junhui brings many troubles, such as not easy to install, not easy-maintaining.In addition, capacitor type touch switch of the prior art by
In the limitation of circuit structure, it is impossible to suitable for PLC (Programmable Logic Controller) Programmable logical controller system
In system.
Therefore, how to realize simple in construction, and go for the capacitance touch of PLC programmable logic control systems
Switch is urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of capacitor type touch switch so that the capacitance switch structure is simple,
And go for PLC programmable logic control systems.
In order to solve the above technical problems, embodiment of the present utility model provides a kind of capacitor type touch switch, including
Housing, circuit arrangement, Metal snap；
The circuit arrangement is arranged in the housing, including printed circuit board, and is separately positioned on the printing electricity
Touch control electrode on the plate of road, capacitance touch sensing button chip, micro-control unit, PLC interface unit, the touch control electrode with
The capacitance touch sensing button chip is electrically connected with, the capacitance touch sensing button chip and the micro-control unit
It is electrically connected with, the micro-control unit is electrically connected with the PLC interface unit, for receiving external program logic；
The Metal snap is arranged on the printed circuit board by a conducting connecting part, and electric with the touch control electrode
Property connection, the housing be provided with button hole, the Metal snap from the button hole exposure outside.
The utility model embodiment is in terms of existing technologies, it is only necessary to including housing, circuit arrangement, Metal snap,
Therefore it has the advantages that simple in construction.Meanwhile, the capacitor type touch switch utilizes the cooperation of touch control electrode and Metal snap, and
Using the conductive reaction between human body touch Metal snap, it is electrically connected with after Metal snap is pressed pressure with the touch control electrode, from
And touching signal is sent to capacitance touch sensing button chip, then button chip is sensed by signal turn by the capacitance touch
Change and send micro-control unit to, with the action after execution, realize a capacitance touch startup function.Also, in the appearance formula
In soft-touch control, micro-control unit is electrically connected with PLC interface unit, for receiving external program logic, therefore, it can be applicable
In PLC programmable logic control systems.
In addition, in the capacitor type touch switch, the conducting connecting part is spring, to provide more comfortable user's body
Test.
In addition, in the capacitor type touch switch, the housing includes the face-piece and base of mutual removable connection；
The button hole is located on the face-piece；
The printed circuit board is arranged between the face-piece and the base.By the face-piece of mutual removable connection and
Base, is easy to the capacitor type touch switch to install.
Further, in the capacitor type touch switch, the capacitor type touch switch also includes locating ring, the positioning
The outer ring of ring is nested in the button hole, and the Metal snap exposes outside from the endoporus of the locating ring.This kind of structure
It can prevent Metal snap from rocking, can be electrically connected with exactly with touch control electrode after it is pressed pressure.
Further, in the capacitor type touch switch, the circuit arrangement also includes indicating member, the instruction list
Member is arranged on the printed circuit board and is electrically connected with the micro-control unit；
The indicating member includes the light source body for being used to point out the capacitor type touch switch working condition.So that the electric capacity
Formula soft-touch control can possess visual cue function.
Further, in the capacitor type touch switch, the light source body is located in the locating ring.Due to the positioning
Ring is ring, and is centered around around Metal snap, therefore, and light can be sent from all angles after light source body is lighted, will not be by
Metal snap is blocked.
Further, in the capacitor type touch switch, the light source body is dual-colored LED lamp, is more carried to provide
Show effect.
In addition, in the capacitor type touch switch, the circuit arrangement also includes optocoupler signal isolation unit, the optocoupler
Signal isolation unit is arranged on the printed circuit board to be electrically connected with the micro-control unit.Prevent capacitor type touch switch
Disturbed by electromagnetic signal around, cause its sensitivity to decline.
In addition, in the capacitor type touch switch, the circuit arrangement also includes relay unit, the relay unit is set
It is electrically connected with the printed circuit board and with the micro-control unit, to carry out stable control to the unstable situation of electric current
System.
In addition, in the capacitor type touch switch, the circuit arrangement also includes tunable capacitor unit, the tunable capacitor
Unit is arranged on the printed circuit board and is electrically connected with the micro-control unit, so that the capacitor type touch switch has
Adjust the function of touch sensitivity.
Brief description of the drawings
Fig. 1 is the structural representation of the capacitor type touch switch in the utility model first embodiment；
Fig. 2 is the arrangement schematic diagram of the printed circuit board in the utility model first embodiment；
Fig. 3 is the arrangement schematic diagram of the printed circuit board in the utility model second embodiment.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands the application and proposes many ins and outs.But, even if without these skills
Art details and many variations based on following embodiment and modification, can also realize the required guarantor of each claim of the application
The technical scheme of shield.
First embodiment of the present utility model is related to a kind of capacitor type touch switch, as shown in figure 1, including housing 1, electricity
Road device 2, Metal snap 3.
Specifically, in the present embodiment, housing 1 includes face-piece 11 and base 12, and face-piece 11 is located at the top of base 12,
The two utilizes hook structure of the prior art or the removable connection of plug-connection structure, it is therefore an objective to be easy to the capacitor type touch switch
Install.Certainly, if the integrated overall structure of housing 1 or formed by greater number of component combination, it can also realize approximate
Technique effect, present embodiment only illustrates with the splicing structure of face-piece 11 and base 12.
As shown in Fig. 2 the circuit arrangement 2 includes printed circuit board 21, and it is separately positioned on printed circuit board 21
Touch control electrode 22, capacitance touch sensing button chip 23, micro-control unit 24, PLC interface unit 25, touch control electrode 22 and electricity
Appearance formula touch-sensitive buttons chip 23 is electrically connected with, and capacitance touch sensing button chip 23 electrically connects with micro-control unit 24
Connect, micro-control unit 24 is electrically connected with PLC interface unit 25, for receiving external program logic.
The circuit arrangement 2 is arranged in housing 1, in present embodiment, and printed circuit board 21 is arranged on face-piece 11 and base
Between 12.
Metal snap 3 is set on a printed circuit board by a conducting connecting part 4, and is electrically connected with touch control electrode, face
Shell 11 is provided with button hole 111, and it is manhole, and Metal snap 3 is exposed outside, for user's finger from the button hole 111
Touch.
By the above it is seen that, the capacitor type touch switch that the utility model embodiment is provided, it is only necessary to wrap
Include housing 1, circuit arrangement 2, Metal snap 3, conducting connecting part 4, thus its have the advantages that it is simple in construction.Meanwhile, the electric capacity
Formula soft-touch control utilizes the cooperation of touch control electrode 22 and Metal snap 3, and anti-using the conduction between human body touch Metal snap 3
Should, it is electrically connected with after Metal snap 3 is pressed pressure with the touch control electrode 22, so that touching signal is sent into capacitance touch sense
Answer button chip 23, then button chip 23 is sensed by signal conversion by the capacitance touch and send micro-control unit 24 to, to hold
Action after row, realizes a capacitance touch startup function.Also, in the appearance formula soft-touch control, micro-control unit 24
It is electrically connected with PLC interface unit 25, for receiving external program logic, therefore, it can be applied to PLC Programmable logical controllers
System.
What deserves to be explained is, in capacitor type touch switch in the present embodiment, conducting connecting part 4 is a spring, is used
In being supplied to Metal snap 3 one to press pressure reaction force, to provide more comfortable Consumer's Experience.
It is worthy of note that, in the capacitor type touch switch, capacitor type touch switch also includes locating ring 5, locating ring 5
Outer ring is nested in button hole 111, and Metal snap 3 exposes outside from the endoporus of locating ring 5.Specifically, present embodiment
In, the button hole 111 on face-piece 11 is stepped, and locating ring 5 is in matched stepped, and locating ring 5 passes through step mechanism
It is nested in button hole 111, is also fixedly connected with the two using glue.The diameter of bore of locating ring 5 less times greater than or
The diameter of Metal snap 3 can be equal to, endoporus of the Metal snap 3 along the locating ring 5 reciprocatingly slide, therefore, this kind of structure can be with
Prevent Metal snap 3 from rocking, can be electrically connected with exactly with touch control electrode 22 after it is pressed pressure.
Further, in the capacitor type touch switch, circuit arrangement 2 also includes indicating member 26, indicating member 26
It is arranged on printed circuit board 21 and is electrically connected with micro-control unit 24；The indicating member 26 includes being used to point out capacitive touch
Touch the light source body of switch working state.So that the capacitor type touch switch can possess visual cue function.In present embodiment,
Light source body is located in locating ring 5.Because the locating ring 5 is ring, and it is centered around around Metal snap 3, therefore, in light source body
Light can be sent from all angles after lighting, will not be blocked by Metal snap 3.
It should be noted that, in the capacitor type touch switch, light source body is dual-colored LED lamp, coordinates micro-control unit 24,
Different prompting effects of the capacitor type touch switch in startup and non-start up, such as when switch starts, LED Chang Liang can be achieved.
It is noted that dual-colored LED lamp thinks prior art, also, if with three-color LED light or more color LED, it can also realize
Approximate technique effect.
The second embodiment of utility model is related to a kind of capacitor type touch switch.Second embodiment is implemented to first
The improvement of mode, is mainly theed improvement is that：As shown in figure 3, circuit arrangement 2 in present embodiment also include optocoupler signal every
From unit 27, optocoupler signal isolation unit 27 is arranged on printed circuit board 21 to be electrically connected with micro-control unit 24.Prevent electricity
When appearance formula soft-touch control is connected with PLC, disturbed by electromagnetic signal around, cause its sensitivity to decline.
In addition, in capacitor type touch switch in the present embodiment, circuit arrangement 2 also includes relay unit 28, relay
Unit 28 is arranged on printed circuit board 21 and is electrically connected with micro-control unit 24, is to connect in capacitor type touch switch and PLC
When connecing, to carry out stability contorting to the unstable situation of electric current.
In addition, in capacitor type touch switch in the present embodiment, circuit arrangement 2 also includes tunable capacitor unit 29,
Tunable capacitor unit 29 is arranged on printed circuit board 21 and is electrically connected with micro-control unit 24, so that the capacitance touch is opened
Close the function with regulation touch sensitivity.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (10)
1. a kind of capacitor type touch switch, it is characterised in that including housing, circuit arrangement, Metal snap；
The circuit arrangement is arranged in the housing, including printed circuit board, and is separately positioned on the printed circuit board
On touch control electrode, capacitance touch sensing button chip, micro-control unit, PLC interface unit, the touch control electrode with it is described
Capacitance touch sensing button chip is electrically connected with, and the capacitance touch sensing button chip and the micro-control unit are electrical
Connection, the micro-control unit is electrically connected with the PLC interface unit, for receiving external program logic；
The Metal snap is arranged on the printed circuit board by a conducting connecting part, and is electrically connected with the touch control electrode
Connect, the housing is provided with button hole, the Metal snap exposes outside from the button hole.
2. capacitor type touch switch according to claim 1, it is characterised in that the conducting connecting part is spring.
3. capacitor type touch switch according to claim 1, it is characterised in that the housing includes mutual removable connection
Face-piece and base；
The button hole is located on the face-piece；
The printed circuit board is arranged between the face-piece and the base.
4. capacitor type touch switch according to claim 3, it is characterised in that it is fixed that the capacitor type touch switch also includes
Position ring, the outer ring of the locating ring is nested in the button hole, Metal snap exposure from the endoporus of the locating ring
Outside.
5. capacitor type touch switch according to claim 4, it is characterised in that the circuit arrangement also includes indicating list
Member, the indicating member is arranged on the printed circuit board and is electrically connected with the micro-control unit；
The indicating member includes the light source body for being used to point out the capacitor type touch switch working condition.
6. capacitor type touch switch according to claim 5, it is characterised in that the light source body is located at the locating ring
It is interior.
7. capacitor type touch switch according to claim 6, it is characterised in that the light source body is dual-colored LED lamp.
8. capacitor type touch switch according to claim 1, it is characterised in that the circuit arrangement also includes optocoupler signal
Isolated location, the optocoupler signal isolation unit is arranged on the printed circuit board and electrically connected with the micro-control unit
Connect.
9. capacitor type touch switch according to claim 1, it is characterised in that the circuit arrangement also includes relay list
Member, the relay unit is arranged on the printed circuit board and is electrically connected with the micro-control unit.
10. capacitor type touch switch according to claim 1, it is characterised in that the circuit arrangement also includes adjustable electric
Hold unit, the tunable capacitor unit is arranged on the printed circuit board and is electrically connected with the micro-control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153057.4U CN206611399U (en) | 2017-02-20 | 2017-02-20 | A kind of capacitor type touch switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153057.4U CN206611399U (en) | 2017-02-20 | 2017-02-20 | A kind of capacitor type touch switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206611399U true CN206611399U (en) | 2017-11-03 |
Family
ID=60168593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720153057.4U Active CN206611399U (en) | 2017-02-20 | 2017-02-20 | A kind of capacitor type touch switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206611399U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092657A (en) * | 2018-01-04 | 2018-05-29 | 无锡市瀚为科技有限公司 | A kind of capacitor type touch switch and its triggering method of touch electrode structuring |
| CN111245420A (en) * | 2020-01-16 | 2020-06-05 | 昆山峰实电子外观应用科技有限公司 | Capacitive multi-point touch three-dimensional knob and manufacturing method thereof |
-
2017
- 2017-02-20 CN CN201720153057.4U patent/CN206611399U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092657A (en) * | 2018-01-04 | 2018-05-29 | 无锡市瀚为科技有限公司 | A kind of capacitor type touch switch and its triggering method of touch electrode structuring |
| CN108092657B (en) * | 2018-01-04 | 2021-09-03 | 无锡市瀚为科技有限公司 | Capacitive touch switch with structured touch electrode and triggering method thereof |
| CN111245420A (en) * | 2020-01-16 | 2020-06-05 | 昆山峰实电子外观应用科技有限公司 | Capacitive multi-point touch three-dimensional knob and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180425 Address after: 223001 No. 6, Fei Yao Bei Road, Huaian economic and Technological Development Zone, Huaian, Jiangsu. Patentee after: Huaian Juling Tang Technology Co., Ltd. Address before: 200090 room 602, 603A, electric power research center, 2588 Changyang Road, Yangpu District, Shanghai Patentee before: Shanghai Jin Dong Tang Technology Co. Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220110 Address after: 314001 No. 68, Tianshu Road, Jiaxing Economic and Technological Development Zone, Zhejiang Province Patentee after: JIAXING YUNDA INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 223001 No. 6, Fei Yao Bei Road, Huaian economic and Technological Development Zone, Huaian, Jiangsu. Patentee before: HUAIAN JIEDINGTANG TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |