CN221040912U - Converter and converter keyboard - Google Patents
Converter and converter keyboard Download PDFInfo
- Publication number
- CN221040912U CN221040912U CN202323104835.5U CN202323104835U CN221040912U CN 221040912 U CN221040912 U CN 221040912U CN 202323104835 U CN202323104835 U CN 202323104835U CN 221040912 U CN221040912 U CN 221040912U
- Authority
- CN
- China
- Prior art keywords
- key
- silica gel
- frequency converter
- circuit board
- keyboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000741 silica gel Substances 0.000 claims description 64
- 229910002027 silica gel Inorganic materials 0.000 claims description 64
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 63
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000000499 gel Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 229920002379 silicone rubber Polymers 0.000 abstract 8
- 229920001971 elastomer Polymers 0.000 abstract 3
- 239000003292 glue Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Input From Keyboards Or The Like (AREA)
Abstract
The utility model discloses a frequency converter and a frequency converter keyboard, which relate to the technical field of frequency converters and aim at solving the problems of high cost and difficult maintenance of the frequency converter keyboard, in particular to a silicon rubber key which is arranged on the front end surface of a panel shell, has good touch feeling and is convenient for a user to operate by adopting the design of the silicon rubber key, a back rubber is arranged on the abutting surface of the silicon rubber key and the panel shell, a circuit board component is arranged in the panel shell, the silicon rubber key is posted on the panel shell through the back rubber, the back rubber and the silicon rubber key are integrated, so that dust is prevented from entering the circuit board component from the panel shell due to gaps, a switch key is arranged on the circuit board component, the switch key corresponds to the silicon rubber key one by one, and the connection of the silicon rubber key and the switch key is realized by pressing the silicon rubber key when the frequency converter is used; the frequency converter keyboard arranged in the mode is simple to install and free of gaps, so that the appearance is attractive, and the cost is low.
Description
Technical Field
The utility model relates to the technical field of frequency converters, in particular to a frequency converter and a frequency converter keyboard.
Background
The frequency converter keyboard is a control device for debugging the frequency converter, the use environment of the frequency converter keyboard is more and more severe at present, the common protection frequency converter keyboard is easy to cause the frequency converter keyboard to be polluted by the environment and to break down when being used on site, and the reliability of the frequency converter keyboard is reduced.
At present, two basic modes are adopted in the keyboard key area of the frequency converter: one is that the key area uses the key in the form of film-sticking key, post and fix on the keyboard panel after the film-sticking key is gum, utilize the convex hull height on the film-sticking to realize the sense of touch; one is a key made of silica gel, which is assembled on a panel from inside to outside, and the touch feeling is realized by utilizing the bulge of the silica gel key. The key in the form of the film-sticking key is used, and the touch feeling is poor when the key is pressed because the convex hull of the film-sticking key is limited in height. When the silica gel key is used, the silica gel key needs to be assembled from inside to outside, and dust is easy to enter because gaps are generated in the assembly.
There is better converter keyboard of protection in the market, and when its use silica gel button, in order to avoid the dust to get into from here, with the mode of mould shaping, with the inside circuit board protection of converter, but this kind of mode cost is higher, has the shortcoming such as difficult maintenance.
Therefore, how to solve the problems of high cost and difficult maintenance of the frequency converter keyboard is a problem to be solved by those skilled in the art.
Disclosure of utility model
Therefore, the utility model aims to provide a frequency converter keyboard, which adopts the design of a silica gel key, so that the key has good touch feeling, is convenient for a user to operate, is provided with a back adhesive on the back surface of the silica gel key and is posted on a panel shell, the back adhesive and the silica gel key are integrated, so that dust is prevented from entering a circuit board assembly from the panel shell due to gaps, the cost is low, the silica gel key can be assembled from outside, the installation is simple, no gaps exist, and the appearance is more attractive.
Another object of the present utility model is to provide a frequency converter including the above frequency converter keyboard, wherein the silica gel key of the frequency converter is assembled from outside, which is easy to operate and convenient to maintain.
In order to achieve the above object, the present utility model provides the following technical solutions:
a transducer keypad comprising:
a panel housing;
The silica gel key is arranged on the front end face of the panel shell, and a back adhesive is arranged on the abutting face of the silica gel key and the panel shell;
The circuit board assembly is arranged in the panel shell, and switch keys are arranged on the circuit board assembly and correspond to the silica gel keys one by one.
Preferably, the panel housing includes:
The front shell is provided with a groove matched with the silica gel key, and the groove is abutted with the back glue;
The back shell is provided with a clamping groove, and the clamping groove is matched with the front shell to fix the front shell and the back shell.
Preferably, a plurality of openings are arranged in the groove and are matched with the silica gel keys, so that the silica gel keys penetrate through the openings to be abutted against the switch keys.
Preferably, a limiting part is arranged in the panel shell to limit the position of the circuit board assembly.
Preferably, the silica gel button is provided with a through hole, and the through hole is used for installing a potentiometer knob.
Preferably, a knob hole matched with a potentiometer switch on the circuit board assembly is arranged in the groove, so that the potentiometer switch passes through the knob hole to be abutted with the potentiometer knob.
A frequency converter comprising a frequency converter keypad according to any of the preceding claims.
The utility model provides a frequency converter keyboard, which comprises a panel shell, a silica gel key and a circuit board assembly, wherein the silica gel key is arranged on the front end surface of the panel shell, the silica gel key is designed to ensure that the key has good touch feeling and is convenient for a user to operate, a back glue is arranged on the abutting surface of the silica gel key and the panel shell, the circuit board assembly is arranged in the panel shell, the silica gel key is posted on the panel shell through the back glue, the back glue and the silica gel key are integrated, so that dust is prevented from entering the circuit board assembly from the panel shell due to gaps, switch keys are arranged on the circuit board assembly and correspond to the silica gel keys one by one, and the connection between the silica gel key and the switch keys is realized by pressing the silica gel key when the frequency converter keyboard is used; the frequency converter keyboard arranged in the mode is simple to install and free of gaps, so that the appearance is attractive, and the cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a frequency converter keyboard provided by the present utility model;
fig. 2 is a cross-sectional view of a transducer keyboard according to the present utility model.
In fig. 1-2, reference numerals include:
1-silica gel button, 11-through hole, 2-circuit board subassembly, 21-switch button, 22-potentiometre switch, 3-front housing, 31-recess, 311-opening, 312-knob hole, 4-back casing, 5-potentiometre knob.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The key of the utility model is to provide a frequency converter keyboard, which adopts the design of a silica gel key 1, so that the key has good touch feeling, is convenient for a user to operate, is provided with a back adhesive on the back surface of the silica gel key 1 and is posted on a panel shell, the back adhesive and the silica gel key 1 are integrated, so that dust is prevented from entering a circuit board assembly 2 from the panel shell due to gaps, the cost is low, the silica gel key 1 can be assembled from outside, the installation is simple, no gaps exist, and the appearance is more attractive.
Another core of the present utility model is to provide a frequency converter including the above frequency converter keyboard, and the silica gel key 1 of the frequency converter is assembled from outside, which is easy to operate and convenient to maintain.
Referring to fig. 1, a frequency converter keyboard includes a panel housing, a silica gel key 1 and a circuit board assembly 2.
Specifically, the silica gel button 1 sets up at the preceding terminal surface of panel casing, adopt the design of silica gel button 1, make the button have good sense of touch, be convenient for the user to operate, the butt face of silica gel button 1 and panel casing is equipped with the gum, circuit board assembly 2 sets up in the panel casing, silica gel button 1 is posted on the panel casing through the gum, gum and silica gel button 1 form an organic wholely, in order to avoid causing the dust to enter into circuit board assembly 2 from the panel casing because of the gap, be equipped with switch button 21 on the circuit board assembly 2, switch button 21 and silica gel button 1 one-to-one, through pressing silica gel button 1 when using, realize the connection of silica gel button 1 and switch button 21.
The silica gel key 1 is integrally formed by using a die, and has the advantages of simple manufacturing process, easy operation and lower cost.
The frequency converter keyboard adopting the mode can be assembled from outside, the installation is simple, no seam is left, the appearance is more attractive, and the cost is low.
In the above embodiment, the panel housing includes the front housing 3 and the rear housing 4, the front housing 3 is provided with the groove 31 matched with the silica gel key 1, the groove 31 is abutted with the back glue, the rear housing 4 is provided with the clamping groove, and the clamping groove is matched with the front housing 3 to fix the front housing 3 and the rear housing 4.
It should be noted that, the groove 31 is provided, so that the silica gel key 1 can be flush with the end face of the front housing 3, so that the assembled frequency converter keyboard is more attractive, the back glue is abutted with the groove 31, and dust can be prevented from entering the circuit board assembly 2 from the gap between the silica gel keyboard and the groove 31.
Wherein the recess 31 is provided in a shape to be fitted with a silicone keypad.
Further, a plurality of openings 311 are disposed in the recess 31, and the plurality of openings 311 are disposed in cooperation with the silica gel key 1, so that the silica gel key 1 passes through the openings 311 to be abutted against the switch key 21.
It will be appreciated that the recess 31 is provided with an opening 311 which is in shape fit with the silica gel key 1, so that the silica gel key 1 can pass through the opening 311, and when the frequency converter keyboard is used, the silica gel key is connected with the switch key 21 on the circuit board assembly 2 by pressing the silica gel key.
As a preferred embodiment, a limiting portion is provided in the panel housing to limit the position of the circuit board assembly 2.
It should be noted that, by setting the limiting portion, the position of the circuit board assembly 2 in the panel housing can be fixed, so that the switch key 21 and the silica gel key 1 are prevented from being shifted due to the shaking of the circuit board assembly 2.
In the above embodiment, the silica gel key 1 is provided with the through hole 11, and the through hole 11 is used for installing the potentiometer knob 5.
It can be appreciated that the position of the potentiometer knob 5 is fixed by providing the through hole 11 on the silicone button 1.
On the basis of the embodiment, a knob hole 312 matched with the potentiometer switch 22 on the circuit board assembly 2 is arranged in the groove 31, so that the potentiometer switch 22 passes through the knob hole 312 to be abutted with the potentiometer knob 5.
It should be noted that, the knob hole 312 matching the shape of the potentiometer switch 22 is provided in the groove 31, so that the potentiometer switch 22 can pass through the knob hole 312, and when the frequency converter keyboard is used, the potentiometer knob 5 is pressed to connect with the potentiometer switch 22 on the circuit board assembly 2.
In summary, the frequency converter keyboard provided by the utility model adopts the integrally formed silica gel key 1, so that the frequency converter keyboard can be directly installed from outside, and the back glue is arranged on the back surface of the silica gel key 1, so that the seamless installation of the silica gel key 1 and the panel shell is realized, and dust can be prevented from entering the circuit board assembly 2 from the gap between the silica gel key 1 and the panel shell.
In addition to the frequency converter keyboard disclosed in each embodiment, the present utility model further provides a frequency converter including the frequency converter keyboard, and the structure of each other portion of the frequency converter is referred to the prior art, and is not repeated herein.
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The frequency converter and the frequency converter keyboard provided by the utility model are described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (7)
1. A transducer keyboard, comprising:
a panel housing;
The silica gel key (1) is arranged on the front end face of the panel shell, and a back adhesive is arranged on the abutting face of the silica gel key (1) and the panel shell;
The circuit board assembly (2) is arranged in the panel shell, switch keys (21) are arranged on the circuit board assembly (2), and the switch keys (21) correspond to the silica gel keys (1) one by one.
2. The transducer keyboard of claim 1, wherein the panel housing comprises:
A front shell (3) provided with a groove (31) matched with the silica gel key (1), wherein the groove (31) is abutted with the back gel;
And the rear shell (4) is provided with a clamping groove, and the clamping groove is matched with the front shell (3) so as to fix the front shell (3) and the rear shell (4).
3. The frequency converter keyboard according to claim 2, wherein a plurality of openings (311) are arranged in the groove (31), and the openings (311) are matched with the silica gel keys (1) so that the silica gel keys (1) pass through the openings (311) to be abutted with the switch keys (21).
4. A transducer keyboard according to claim 2, wherein a limit is provided in the panel housing to limit the position of the circuit board assembly (2).
5. A transducer keyboard according to claim 3, characterized in that the silica gel key (1) is provided with a through hole (11), which through hole (11) is used for mounting a potentiometer knob (5).
6. The frequency converter keyboard according to claim 5, characterized in that a knob hole (312) matched with a potentiometer switch (22) on the circuit board assembly (2) is arranged in the groove (31), so that the potentiometer switch (22) passes through the knob hole (312) to be abutted with the potentiometer knob (5).
7. A frequency converter comprising a frequency converter keypad according to any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323104835.5U CN221040912U (en) | 2023-11-16 | 2023-11-16 | Converter and converter keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323104835.5U CN221040912U (en) | 2023-11-16 | 2023-11-16 | Converter and converter keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221040912U true CN221040912U (en) | 2024-05-28 |
Family
ID=91136806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323104835.5U Active CN221040912U (en) | 2023-11-16 | 2023-11-16 | Converter and converter keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221040912U (en) |
-
2023
- 2023-11-16 CN CN202323104835.5U patent/CN221040912U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |