CN202693762U - Key testing device - Google Patents
Key testing device Download PDFInfo
- Publication number
- CN202693762U CN202693762U CN 201220348498 CN201220348498U CN202693762U CN 202693762 U CN202693762 U CN 202693762U CN 201220348498 CN201220348498 CN 201220348498 CN 201220348498 U CN201220348498 U CN 201220348498U CN 202693762 U CN202693762 U CN 202693762U
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- CN
- China
- Prior art keywords
- key
- cover plate
- proving installation
- base
- installation according
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of test of key, and in particular relates to a key testing device. The key testing device structurally comprises a pedestal, and a cover plate which can be rotatably connected with the pedestal; a signal connecting device is arranged in the pedestal; a supporting saddle for positioning a key testing circuit board is arranged on the upper surface, opposite to the cover plate, of the pedestal; the supporting saddle is provided with a signal interface which is electrically connected with a signal connecting device; and a key containing groove is arranged on one side surface, opposite to the pedestal, of the cover plate. Compared with the prior art, the key testing device is simple and fast in operation; all keys can be tested by pressing the device once, so that the testing efficiency is improved, and the producing cost is reduced.
Description
Technical field
The utility model relates to the technical field of measurement and test of key, particularly relates to a kind of key proving installation.
Background technology
At present, mellotron normal operation PCM or AWM sampling source of sound is recorded first the sound of musical instrument, will deposit in the internal memory after its digitizing, and when then pressing key, this sound of CPU playback.The keyboard of mellotron is actual to be some switches, if there is not keyboard, the signal of many kinds of frequencies enters in the amplifier simultaneously, and the sound that sends by loudspeaker will be at sixes and sevens, do not become music.Press a key of lower keyboard, just equal to connect a switch, the signal that only allows a certain frequency is by going in amplifier, and loudspeaker just sends a sound.Like this, come button according to certain playing rule, just can play out beautiful music.Mellotron needs the performance of key is tested before dispatching from the factory, in the prior art, normally with keyboard connecting test device, then press one by one each key and test, because a keyboard comprises a plurality of keys, this test mode inefficiency, waste time and energy, thereby cause production cost high.
Therefore, for deficiency of the prior art, needing badly provides a kind of key proving installation simple, quick, that efficient is high of testing.
Summary of the invention
The purpose of this utility model be to overcome weak point of the prior art and provide a kind of test simple, fast, key proving installation that efficient is high.
The purpose of this utility model is achieved through the following technical solutions:
A kind of key proving installation is provided, the cover plate that includes base and be rotatably connected with described base, be provided with signal connection device in the described base, the upper surface of the relatively described cover plate of described base is provided with for the supporting seat of placing the key testing circuit board, described supporting seat is provided with signaling interface, and described signaling interface is electrically connected with described signal connection device;
One side of the relatively described base of described cover plate is provided with the key storage tank, and the size of described key storage tank and described key are complementary.
Wherein, described base is provided with the cover plate holder, and described cover plate holder is provided with hinge, and described cover plate is rotationally connected by described hinge and described cover plate holder.
Wherein, described cover plate is provided with reference column, and described base is provided with the pilot hole that matches with described reference column.
Wherein, described key proving installation also includes latching system, described latching system comprises the snap close that is fixed in described base and the card convex that is fixed in described cover plate, and a side of the relatively described cover plate of described snap close offers draw-in groove, the clamping that matches with described card convex of described draw-in groove.
Wherein, described snap close and described card convex all are set to two.
Wherein, the side opening of described base is provided with hand-held hole, the top undulate of described hand-held hole.
The beneficial effects of the utility model:
A kind of key proving installation of the present utility model, the cover plate that includes base and be rotatably connected with base, be provided with signal connection device in the base, the upper surface of the relative cover plate of base is provided with for the supporting seat of placing the key testing circuit board, supporting seat is provided with signaling interface, and signaling interface is electrically connected with signal connection device; One side of the relative base of cover plate is provided with the key storage tank, and size and the key of key storage tank are complementary.During use, open cover plate, be positioned over key in the key storage tank and be fixed in cover plate, then the key testing circuit board is fixed on the supporting seat, and with key testing circuit board connection signaling interface, thereby the key testing circuit board is electrically connected with signal connection device, again signal connection device is external to display; The cover plate that then closes, the test lead of each key is the corresponding circuit of corresponding key testing circuit board respectively, during test, only need once press cover plate, can test all keys simultaneously, by external-connection displayer, can judge whether the performance of each key meets the requirements.Therefore, compared with prior art, key proving installation of the present utility model, simple to operate, quick, need not to press one by one each key and test, thus, greatly improved testing efficiency, be conducive to save production cost.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of key proving installation of the present utility model.
Include among Fig. 1:
Base 1, supporting seat 11, cover plate holder 12;
Snap close 13, draw-in groove 131;
Hand-held hole 14;
Cover plate 2, key storage tank 21, card convex 22;
Key 3;
Signal connection device 4.
Embodiment
With the following Examples the utility model is further described, but embodiment of the present utility model is not limited to this.
An embodiment of a kind of key proving installation of the present utility model as shown in Figure 1, the cover plate 2 that includes base 1 and be rotatably connected with base 1, be provided with signal connection device 4 in the base 1, the upper surface of base 1 relative cover plate 2 is provided with for the supporting seat 11 of placing the key testing circuit board, supporting seat 11 is provided with signaling interface, and signaling interface is electrically connected with signal connection device 4;
One side of cover plate 2 relative bases 1 is provided with key storage tank 21, and the size of key storage tank 21 and key 3 are complementary.
Concrete, base 1 is provided with cover plate holder 12, and cover plate holder 12 is provided with hinge, and cover plate 2 is rotationally connected by hinge and cover plate holder 12.
Concrete, cover plate 2 is provided with reference column, and base 1 is provided with the pilot hole that matches with reference column, and reference column and pilot hole play the effect of cover plate 2 location.
In the present embodiment, the key proving installation also includes latching system, and latching system comprises the snap close 13 that is fixed in base 1 and be fixed in the card convex 22 of cover plate 2, and a side of snap close 13 relative cover plates 2 offers draw-in groove 131, draw-in groove 131 clamping that matches with card convex 22.
Wherein, snap close 13 adopts the rubber elastomeric material to make.Behind the cover plate 2 that closes, press card convex 22, card convex 22 is arranged in the draw-in groove 131, thereby cover plate 2 is pinned; After key tests, pull snap close 13, make card convex 22 break away from draw-in groove 131, thereby open latching system, cover plate 2 can be opened.
Concrete, snap close 13 and card convex 22 all are set to two.
Further, the side opening of base 1 is provided with hand-held hole 14, and the top undulate of hand-held hole 14 adopts wave-like to be convenient to staff and controls this position, can realize the movement of key proving installation by hand-held hole 14.
The principle of work of key proving installation of the present utility model is as follows:
During use, open cover plate 2, be positioned over key 3 in the key storage tank 21 and be fixed in cover plate 2, then the key testing circuit board is fixed on the supporting seat 11, and with key testing circuit board connection signaling interface, thereby the key testing circuit board is electrically connected with signal connection device 4, again signal connection device 4 is external to display; The cover plate 2 that then closes positions by reference column, and the test lead that makes each key 3 corresponding circuit of corresponding key testing circuit board respectively, then presses card convex 22 to the draw-in groove 131 of snap close 13, and cover plate 2 is pinned; During test, only need once press cover plate 2, can test all keys 3 simultaneously, by external-connection displayer, can judge whether the performance of each key 3 meets the requirements; After test is finished, open latching system, cover plate 2 is opened, take out key 3, thereby finish the test to key 3.
Should be noted that at last; above embodiment is only in order to the technical solution of the utility model to be described but not to the restriction of the utility model protection domain; although with reference to preferred embodiment the utility model has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (6)
1. key proving installation, it is characterized in that: the cover plate that includes base and be rotatably connected with described base, be provided with signal connection device in the described base, the upper surface of the relatively described cover plate of described base is provided with for the supporting seat of placing the key testing circuit board, described supporting seat is provided with signaling interface, and described signaling interface is electrically connected with described signal connection device;
One side of the relatively described base of described cover plate is provided with the key storage tank, and the size of described key storage tank and described key are complementary.
2. a kind of key proving installation according to claim 1, it is characterized in that: described base is provided with the cover plate holder, and described cover plate holder is provided with hinge, and described cover plate is rotationally connected by described hinge and described cover plate holder.
3. a kind of key proving installation according to claim 2, it is characterized in that: described cover plate is provided with reference column, and described base is provided with the pilot hole that matches with described reference column.
4. a kind of key proving installation according to claim 1, it is characterized in that: described key proving installation also includes latching system, described latching system comprises the snap close that is fixed in described base and the card convex that is fixed in described cover plate, one side of the relatively described cover plate of described snap close offers draw-in groove, the clamping that matches with described card convex of described draw-in groove.
5. a kind of key proving installation according to claim 4, it is characterized in that: described snap close and described card convex all are set to two.
6. a kind of key proving installation according to claim 1, it is characterized in that: the side opening of described base is provided with hand-held hole, the top undulate of described hand-held hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348498 CN202693762U (en) | 2012-07-18 | 2012-07-18 | Key testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348498 CN202693762U (en) | 2012-07-18 | 2012-07-18 | Key testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693762U true CN202693762U (en) | 2013-01-23 |
Family
ID=47549363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220348498 Expired - Fee Related CN202693762U (en) | 2012-07-18 | 2012-07-18 | Key testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693762U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137112A (en) * | 2013-02-28 | 2013-06-05 | 吟飞科技(江苏)有限公司 | Test system of electronic organ keyboard functions |
| CN103197239A (en) * | 2013-03-14 | 2013-07-10 | 吟飞科技(江苏)有限公司 | Testing system of function buttons and indicator lights of electronic organ |
| CN106872887A (en) * | 2017-02-28 | 2017-06-20 | 孝感量子机电科技有限公司 | The detection means and method of a kind of key function for fexible film electronic organ |
-
2012
- 2012-07-18 CN CN 201220348498 patent/CN202693762U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137112A (en) * | 2013-02-28 | 2013-06-05 | 吟飞科技(江苏)有限公司 | Test system of electronic organ keyboard functions |
| CN103197239A (en) * | 2013-03-14 | 2013-07-10 | 吟飞科技(江苏)有限公司 | Testing system of function buttons and indicator lights of electronic organ |
| CN106872887A (en) * | 2017-02-28 | 2017-06-20 | 孝感量子机电科技有限公司 | The detection means and method of a kind of key function for fexible film electronic organ |
| CN106872887B (en) * | 2017-02-28 | 2020-03-13 | 孝感量子机电科技有限公司 | Detection device and method for key functions of flexible thin film electronic organ |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |