Testing device for testing keyboard
By combining actuators, limiting components, counterweights, and controllers, the problem of not being able to test all keys on a keyboard simultaneously in existing technologies has been solved, enabling efficient and low-cost key testing in confined spaces.
Patent Information
- Application Number
- CN202422970558.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing technology cannot simultaneously test the pressure of all keys on a keyboard, and the structural limitations of the load cell make it difficult and costly to arrange in a narrow space.
By employing a combination of actuators, limiting components, counterweights, controllers, and wires, the movement of the actuators and counterweights is controlled by a short circuit, enabling precise pressure testing of keyboard keys and avoiding the use of load cells.
It enables simultaneous testing of all keys within a narrow space above the keyboard, reducing testing costs and improving testing efficiency.
Smart Images
Figure CN223565222U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a testing device for testing keyboard, especially to a testing device for testing all keys of keyboard. BACKGROUND
[0002] In the process of manufacturing keyboard, all keys need to be tested by pressing. The position of the key surface of the keycap of all keys needs to be measured when the keycap bears a fixed weight, so as to facilitate the adjustment of the subsequent keyboard.
[0003] In order to test the keys of the keyboard, the prior art fixes the load element at the end of the brake shaft of the motor, and drives the load element to vertically press the keycap of the key to be tested by the motor. At this time, the load element does not contact the keycap, and the load element senses the pressure of 0g. When the load element presses the keycap of the key to be tested, the pressure value sensed by the load element rises. When the pressure value sensed by the load element reaches the set value (for example, 3g), the motor stops the brake shaft and the load element continues to press. At this time, the pressing displacement of the key surface of the keycap moving downward is recorded.
[0004] However, the number of keys arranged on the keyboard is as high as hundreds. The prior art uses the load element as the pressure sensing element, and due to the structure of the load element, the diameter of the load element body is larger than the width of the keycap, which causes the prior art to be unable to simultaneously test all keys by pressing.
[0005] Moreover, even if the prior art uses dozens of load elements to test all keys of the keyboard in batches. However, the dozens of load elements need to be arranged in a dense manner, which makes it difficult to set the load elements in a narrow space and causes high cost of a large number of load elements.
[0006] Therefore, it is necessary to design a new testing device for testing keyboard to overcome the above defects. CONTENT OF THE UTILITY MODEL
[0007] The utility model aims at providing a testing device for testing keyboard, which can avoid using load elements and can simultaneously test all keys of the keyboard.
[0008] To achieve the above object, the utility model provides a testing device for testing keyboard, the testing device includes: actuator; limiting component, has first top, first bottom, containing space and through hole, the through hole is formed on the first bottom and communicates the containing space, the limiting component is actuatedly connected to the actuator; counterweight element, has predetermined weight, the counterweight element includes main part and extension rod, the main part has second top and second bottom, the main part is placed in the containing space and with the second bottom is placed on the first bottom, the counterweight element is at least with the second top is conductive, the extension rod is extended from the second bottom of the main part and passes through the through hole; controller, electric connection is served the actuator; first wire, is connected to the controller and has first end point, the first end point is placed in the containing space and is fixed on the first top; and second wire, is connected to the controller and has second end point, the second end point is placed in the containing space and is fixed on the first top, wherein the controller controls the actuator actuation limiting component and the counterweight element is located above a key of the keyboard predetermined position, the controller in turn controls the actuator actuation limiting component and the counterweight element moves down until the first end point, the second end point contacts the second top and forms the short circuit, the controller is served this short circuit control the actuator stops actuation limiting component and the counterweight element continues to move down, during the limiting component and the counterweight element move down, the first end of the extension rod is against the keycap of the key, when the main part leaves the first bottom, the keycap bears the predetermined weight of the counterweight element in turn and moves down and presses displacement.
[0009] Preferably, the actuator includes an actuating shaft, and the limiting component is fixed to a second end of the actuating shaft with the first top.
[0010] Preferably, the first cross section of the limiting component is a first circle, and the second cross section of the actuating shaft is a second circle, wherein a first diameter of the first circle is equal to or greater than a second diameter of the second circle.
[0011] Preferably, the first diameter is less than or equal to 2 cm.
[0012] Preferably, the first cross section of the limiting component is a first square, and the second cross section of the actuating shaft is a second square, wherein a first width of the first square is equal to or greater than a second width of the second square.
[0013] Preferably, the first width is less than or equal to 2 cm.
[0014] Preferably, the counterweight element is made of metal material.
[0015] Preferably, the counterweight element further includes a conductive layer formed on the second top of the main part.
[0016] Preferably, the actuator is a motor.
[0017] Preferably, the controller controls the actuator to actuate the limiting member and the counterweight element to a predetermined position above another key of the keyboard, and the controller further controls the actuator to actuate the limiting member and the counterweight element to move downward until the first end of the first wire and the second end of the second wire contact the second top of the main body to form a circuit short, and the controller responds to the circuit short to control the actuator to stop actuating the limiting member and the counterweight element to continue to move downward, and during the movement of the limiting member and the counterweight element downward, the first end of the extension rod abuts against the second keycap of the another key, and when the main body leaves the first bottom of the limiting member, the second keycap bears the predetermined weight of the counterweight element and moves downward to be pressed and displaced.
[0018] Compared with the prior art, the test device is used to test the keyboard. The test device comprises an actuator, a limiting member, a counterweight element, a controller, a first wire and a second wire. The limiting member has a first top, a first bottom, a containing space and a through hole. The through hole is formed on the first bottom and communicates with the containing space of the limiting member. The limiting member is actuatedly connected to the actuator. The counterweight element has a predetermined weight. The counterweight element comprises a main body and an extension rod. The main body has a second top and a second bottom. The main body is arranged in the containing space of the limiting member and the second bottom of the main body is arranged on the first bottom of the limiting member. The counterweight element is conductive at least at the second top of the main body. The extension rod extends downward from the second bottom of the main body and passes through the through hole of the limiting member. The controller is electrically connected to the actuator. The first wire is connected to the controller and has a first end. The first end of the first wire is arranged in the containing space of the limiting member and fixed on the first top of the limiting member. The second wire is connected to the controller and has a second end. The second end of the second wire is arranged in the containing space of the limiting member and fixed on the first top of the limiting member. The controller controls the actuator to actuate the limiting member and the counterweight element to a predetermined position above a key of the keyboard. The controller further controls the actuator to actuate the limiting member and the counterweight element to move downward until the first end of the first wire and the second end of the second wire contact the second top of the main body to form a circuit short. The controller responds to the circuit short to control the actuator to stop actuating the limiting member and the counterweight element to continue to move downward. During the movement of the limiting member and the counterweight element downward, the first end of the extension rod abuts against the keycap of the key. When the main body leaves the first bottom of the limiting member, the keycap bears the predetermined weight of the counterweight element and moves downward to be pressed and displaced. Thus, the load element is avoided and all the keys of the keyboard can be tested at the same time. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are used to explain the present application, but are not intended to limit the present application. In the drawings:
[0020] Figure 1 A front view of a testing device according to a preferred embodiment of the present application when it has not contacted the keycap of the key it tests.
[0021] Figure 2 A front view of a testing device according to a preferred embodiment of the present application when it has depressed the keycap of the key it tests to cause a short circuit of the circuit.
[0022] Figure 3 A cross-sectional view of another example of a weight element of a testing device according to a preferred embodiment of the present application. DETAILED DESCRIPTION
[0023] In order to have a further understanding of the object, structure, features and functions of the present application, detailed description is made as follows in connection with the embodiments.
[0024] Please refer to Figure 1 and Figure 2 , which schematically depict a testing device 1 according to a preferred embodiment of the present application. The testing device 1 according to a preferred embodiment of the present application is used to test a keyboard. Figure 1 A front view schematically shows the testing device 1 according to a preferred embodiment of the present application and the key 2 it tests. In Figure 1 , the testing device 1 according to a preferred embodiment of the present application has not contacted the keycap 20 of the key 2 it tests. Figure 2 Another front view schematically shows the testing device 1 according to a preferred embodiment of the present application and the key 2 it tests. In Figure 2 , the testing device 1 according to a preferred embodiment of the present application has depressed the keycap 20 of the key 2 it tests and stopped braking. It should be noted that the keyboard contains a plurality of keys 2 to be tested, even the number of keys 2 is as high as hundreds. In Figure 1 and Figure 2 , only one key 2 is shown as a representative of the keyboard.
[0025] As shown in Figure 1 and Figure 2 , the testing device 1 according to a preferred embodiment of the present application contains an actuator 10, a limiting member 11, a weight element 12, a controller 13, a first wire 14 and a second wire 15. It should be noted that in Figure 1 and Figure 2In the figure, the restriction member 11, the weight element 12 and the key 2 to be tested by the testing device 1 according to the preferred embodiment of the present application are schematically depicted in a cross-sectional view.
[0026] The restriction member 11 has a first top portion 110, a first bottom portion 112, a receiving space 114 and a through hole 116. The through hole 116 is formed on the first bottom portion 112 and communicates with the receiving space 114 of the restriction member 11. The restriction member 11 is actuationally connected to the actuator 10. The weight element 12 has a predetermined weight (e.g. 3g). The weight element 12 comprises a main body 120 and an extension rod 122. The main body 120 has a second top portion 1200 and a second bottom portion 1202. The main body 120 is disposed in the receiving space 114 of the restriction member 11 with the second bottom portion 1202 of the main body 120 disposed on the first bottom portion 112 of the restriction member 11. The weight element 12 is electrically conductive at least at the second top portion 1200 of the main body 120. The extension rod 122 extends downwardly from the second bottom portion 1202 of the main body 120 and passes through the through hole 116 of the restriction member 11.
[0027] The controller 13 is electrically connected to the actuator 10. The first wire 14 is connected to the controller 13 and has a first end point 140. The first end point 140 of the first wire 14 is disposed in the receiving space 114 of the restriction member 11 and is fixed on the first top portion 110 of the restriction member 11. The second wire 15 is connected to the controller 13 and has a second end point 150. The second end point 150 of the second wire 15 is disposed in the receiving space 114 of the restriction member 11 and is fixed on the first top portion 110 of the restriction member 11.
[0028] The controller 13 controls the actuator 10 to actuate the restriction member 11 and the weight element 12 to a predetermined position above a key 2 of a keyboard, as shown in Figure 1 At this time, the first end 1220 of the extension rod 122 has not yet contacted the key cap 20 of the key 2 to be tested.
[0029] The controller 13 further controls the actuator 10 to actuate the restriction member 11 and the weight element 12 to move downwardly until the first end point 140 of the first wire 14 and the second end point 150 of the second wire 15 contact the second top portion 1200 of the main body 120 to form a short circuit, as shown in Figure 2 The controller 13 controls the actuator 10 to stop actuating the restriction member 11 and the weight element 12 to continue moving downwardly in response to the short circuit.
[0030] During the downward movement of the limiting member 11 and the weight element 12, the first end 1220 of the extension rod 122 abuts against the keycap 20 of the key 2. When the main body 120 leaves the first bottom 112 of the limiting member 11, the keycap 20 is subjected to the predetermined weight of the weight element 12 and is pressed to move downward. Then, the controller 13 controls the actuator 10 to actuate the limiting member 11 and the weight element 12 to the predetermined position above another key (not shown) of the keyboard, and the controller 13 controls the actuator 10 to actuate the limiting member 11 and the weight element 12 to move downward until the first end point 140 and the second end point 150 contact the second top 1200 to form a circuit short, and the controller 13 controls the actuator 10 to stop actuating the limiting member 11 and the weight element 12 to continue to move downward in response to the circuit short. During the downward movement of the limiting member 11 and the weight element 12, the first end 1220 of the extension rod 122 abuts against the second keycap of the another key. When the main body 120 leaves the first bottom 112, the second keycap is subjected to the predetermined weight of the weight element 12 and is pressed to move downward. It is emphasized that the testing device 1 according to the preferred embodiment of the present application does not use a load cell. For a keyboard having a large number of keys 2, the testing device 1 according to the preferred embodiment of the present application can be arranged above the keyboard in a narrow space to have a corresponding actuator 10, limiting member 11 and weight element 12 for each key 2. Thus, the testing device 1 according to the preferred embodiment of the present application can simultaneously test all the keys 2 of the keyboard.
[0031] In an embodiment, the actuator 10 can be a motor, such as a linear motor.
[0032] In an embodiment, the actuator 10 includes an actuating shaft 102. The limiting member 11 is fixed to the second end 1020 of the actuating shaft 102 by the first top 110 thereof.
[0033] In an embodiment, the first cross section of the limiting member 11 is a first circle. The second cross section of the actuating shaft 102 is a second circle. The first diameter of the limiting member 11 is equal to or greater than the second diameter of the actuating shaft 102. The first diameter is less than or equal to 2 cm. It is emphasized that the width of the keycap of the key of the present keyboard is 2 cm. Thus, the testing device 1 according to the preferred embodiment of the present application can be arranged above the keyboard in a narrow space to have a corresponding actuator 10, limiting member 11 and weight element 12 for each key 2. Thus, the testing device 1 according to the preferred embodiment of the present application can simultaneously test all the keys 2 of the keyboard.
[0034] In one embodiment, the first cross-section of the limiting member 11 is a first square. The second cross-section of the actuating shaft 102 is a second square. The first width of the limiting member 11 is equal to or greater than the second width of the actuating shaft 102. The first width is less than or equal to 2 cm. Thus, the testing device 1 according to the preferred embodiment of the present application can be configured with a corresponding actuator 10, limiting member 11 and weight element 12 for each key 2 in a narrow space above the keyboard. In this way, the testing device 1 according to the preferred embodiment of the present application can simultaneously test all the keys 2 of the keyboard.
[0035] In one embodiment, the weight element 12 can be made of a metal material.
[0036] Referring to Figure 3 , Figure 3 A cross-sectional view of another example of the weight element 12. In one embodiment, as shown in Figure 3 , the weight element 12 further comprises a conductive layer 124. The conductive layer 124 is formed on the second top portion 1200 of the main body 120.
[0037] In summary, the utility model provides a testing device for testing keyboard, testing device contains actuator, restriction component, counterweight element, controller, first wire and second wire. Restriction component has first top, first bottom, containing space and through hole. Through hole is formed on first bottom, and communicates containing space of restriction component. Restriction component is actuatedly connected to actuator. Counterweight element has predetermined weight. Counterweight element contains main body and extension rod. Main body has second top and second bottom. Main body is placed in containing space of restriction component, and with second bottom of itself is placed on first bottom of restriction component. Counterweight element is at least with second top of itself conductive. Extension rod extends downward from second bottom of main body, and passes through through hole of restriction component. Controller is electrically connected to actuator. First wire is connected to controller, and has first end point. First end point of first wire is placed in containing space of restriction component, and is fixed on first top of restriction component. Second wire is connected to controller, and has second end point. Second end point of second wire is placed in containing space of restriction component, and is fixed on first top of restriction component. Controller controls actuator to actuate restriction component and counterweight element to predetermined position above one key of keyboard. Controller in turn controls actuator to actuate restriction component and counterweight element to move downward until first end point of first wire, second end point of second wire contact second top of main body to form short circuit. Controller responds to short circuit and controls actuator to stop actuating restriction component and counterweight element to continue to move downward. During the movement of restriction component and counterweight element downward, first end of extension rod abuts against keycap of key. When main body leaves first bottom of restriction component, keycap bears predetermined weight of counterweight element and in turn moves downward to press displacement. Through the above detailed description of the application, it can be clearly understood that the testing device according to the application does not use a load element, and all keys of the keyboard can be tested at the same time. The testing device according to the application has low construction cost.
[0038] Although the utility model is described in combination with the drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the utility model, and cannot be understood as a limitation of the utility model. In order to clearly describe the required components, the proportions in the schematic drawings do not represent the proportional relationship of the actual components.
[0039] The utility model has been described by the above related embodiments, however, the above embodiments are only examples for implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the changes and decorations made without departing from the spirit and scope of the utility model all belong to the patent protection scope of the utility model.
Claims
1. A testing device for testing a keyboard, the testing device for testing a keyboard, characterized in that, The testing device comprises: an actuator; a limiting member having a first top, a first bottom, a receiving space, and a through hole formed on the first bottom and communicating with the receiving space, the limiting member being actuable connected to the actuator; a weight element having a predetermined weight, the weight element comprising a main body having a second top and a second bottom, the main body being disposed in the receiving space with the second bottom disposed on the first bottom, the weight element being electrically conductive at least at the second top, and an extension rod extending downwardly from the second bottom of the main body and passing through the through hole; a controller being electrically connected to the actuator; a first wire being connected to the controller and having a first end point disposed in the receiving space and fixed on the first top; and a second wire being connected to the controller and having a second end point disposed in the receiving space and fixed on the first top, wherein the controller controls the actuator to actuate the limiting member and the weight element to a predetermined position above a key of the keyboard, the controller further controls the actuator to actuate the limiting member and the weight element to move downwardly until the first end point and the second end point contact the second top to form a circuit short, the controller in response to the circuit short controls the actuator to stop actuating the limiting member and the weight element to continue moving downwardly, during the moving of the limiting member and the weight element downwardly, a first end of the extension rod abuts against a keycap of the key, when the main body leaves the first bottom, the keycap bears the predetermined weight of the weight element and further moves downwardly to press a displacement.
2. The testing device for testing a keyboard according to claim 1, wherein, The actuator comprises an actuating shaft, the limiting member is fixed on a second end of the actuating shaft with the first top.
3. The testing device for testing a keyboard of claim 2, wherein, The first cross section of the limiting member is a first circle, the second cross section of the actuating shaft is a second circle, a first diameter of the first circle is equal to or greater than a second diameter of the second circle.
4. The testing device for testing a keyboard of claim 3, wherein, The first diameter is less than or equal to 2 cm.
5. The testing device for testing a keyboard of claim 2, wherein, The first cross section of the limiting member is a first square, the second cross section of the actuating shaft is a second square, a first width of the first square is equal to or greater than a second width of the second square.
6. The testing device for testing a keyboard of claim 5, wherein, The first width is less than or equal to 2 cm.
7. The testing device for testing a keyboard of claim 1, wherein, The weight element is made of a metal material.
8. The testing device for testing a keyboard of claim 1, wherein, The weight element further comprises an electrically conductive layer formed on the second top of the main body.
9. The testing device for testing a keyboard of claim 1, wherein, The actuator is a motor.
10. The testing device for testing a keyboard of claim 1, wherein, The controller controls the actuator to actuate the limiting member and the weight element to a predetermined position above another key of the keyboard, the controller further controls the actuator to actuate the limiting member and the weight element to move downwardly until the first end point and the second end point contact the second top to form a circuit short, the controller in response to the circuit short controls the actuator to stop actuating the limiting member and the weight element to continue moving downwardly, during the moving of the limiting member and the weight element downwardly, a first end of the extension rod abuts against a second keycap of the another key, when the main body leaves the first bottom, the second keycap bears the predetermined weight of the weight element and further moves downwardly to press a displacement.