Score indicator and control circuit thereof

Abstract

The utility model discloses a score indicator and control circuit, including: bottom case and panel, be equipped with the circuit board in the bottom case, be equipped with a plurality of LED lamp bead group on the circuit board to display digits, the panel is equipped with a plurality of through-hole with the plurality of LED lamp bead group one-to-one correspondence to reveal the corresponding LED lamp bead group, the panel is connected with the bottom case, and the panel is equipped with a plurality of LED lamp bead group through-hole with the LED lamp bead group one-to-one correspondence to the through-hole to reveal the corresponding LED lamp bead group one-to-one correspondence to the LED lamp bead group one-to-one correspondence to the LED lamp bead group one-to-one correspondence. A button module electrically connected with the circuit board is arranged on the back face of the bottom shell, and the button module comprises an addition button and a subtraction button and a switch button so as to control the state of each LED lamp bead set, and display of different numbers is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to score counter technical field, especially a score counter and control circuit thereof. BACKGROUND

[0002] Common score counters mainly have three kinds of stand type, traditional flip score board, professional score counter and electronic score counter, the traditional flip score board is troublesome to operate, and the card is easy to damage and fall off, the professional score counter has rich display content, but needs professional operator, and is expensive, the electronic score counter has simple display content, and is easy to operate and convenient to carry. SUMMARY

[0003] The utility model discloses a kind of score counters and control circuits of low cost and convenient operation, to at least solve one of the technical problems existing in prior art.

[0004] According to the score counter of the first aspect embodiment of the utility model, including: bottom shell and panel, the circuit board is equipped in the bottom shell, multiple LED lamp pearl groups are equipped on the circuit board to display number, multiple and multiple LED lamp pearl groups one-to-one corresponding through hole is equipped on the panel to expose corresponding LED lamp pearl group, the panel is connected with the bottom shell, the bottom shell back is equipped with the key module that is electrically connected with the circuit board, the key module includes plus-minus key and switch key to control the state of each LED lamp pearl group, the display of different numbers is realized.

[0005] According to the control circuit of the second aspect embodiment of the utility model, it is applied to above-mentioned score counter, main control module and lamp control module electrically connected with the main control module are equipped on the circuit board, the lamp control module is electrically connected with multiple LED lamp pearl groups respectively, the key module is electrically connected with the main control module, the main control module controls the lamp control module drive corresponding LED lamp pearl group to display number according to the key signal of the key module.

[0006] According to the score counter and control circuit thereof of the utility model embodiment, at least has following beneficial effects: using LED lamp pearl display, cheap, the cost is lower than same size's nixie tube and dot matrix type;And remove complicated key, only need plus-minus and switch key, easy to operate, reach blind operation requirement.

[0007] Additional aspects and advantages of the utility model will be in part given in the following description, part will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0008] The specific embodiment of the utility model is further explained below in combination with the drawings.

[0009] Figure 1 is a front view of the score counter;

[0010] Figure 2 is a back perspective view of the score counter;

[0011] Figure 3 is an exploded structural view of the score counter;

[0012] Figure 4 is a structural view of the panel of the score counter;

[0013] Figure 5 is a control circuit block diagram;

[0014] Figure 6 is a schematic diagram of the light control module and LED light group;

[0015] Figure 7 is a circuit schematic diagram of the power module, main control module and prompt module;

[0016] Figure 8 is a circuit schematic diagram of the key module. DETAILED DESCRIPTION

[0017] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0018] In the description of the present application, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like based on the orientation or position relationship shown in the drawings, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.

[0019] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than and the like are not included in the number, above, below, within and the like are included in the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0020] Reference Figures 1 to 8The utility model discloses a kind of score counters, comprising: bottom shell 10 and panel 11, bottom shell 10 is equipped with circuit board, multiple LED lamp pearl groups 20 are equipped on circuit board to show number, panel 11 is equipped with multiple through holes 12 corresponding to multiple LED lamp pearl groups 20 to expose corresponding LED lamp pearl group 20, panel 11 is connected with bottom shell 10, bottom shell 10 back is equipped with the key module 30 electrically connected with circuit board, key module 30 includes plus-minus key and switch key to control the state of each LED lamp pearl group 20, the display of different numbers is realized.This application uses LED lamp pearl display, cheap, lower than the cost of same size nixie tube and dot matrix;And remove complicated key, only need plus-minus and switch key, easy to operate, reach the requirement of blind operation.

[0021] As Figure 4 , the edge of through hole 12 is equipped with the stop edge 13 vertical to panel 11 to gather the light emitted by LED lamp pearl, so that display is clear.Preferably, stop edge 13 is arranged on the inner wall of panel 11, so that the surface of panel 11 is flat and beautiful.

[0022] Further, the surface of panel 11 is attached with light-transmitting film (using conventional transparent polymer film), which is used for transmitting and gathering the light emitted by LED lamp pearl, so that the light of LED lamp pearl is as far as possible connected to an integral whole.

[0023] As Figure 3 Indicated, display 31 is equipped on key module 30 to synchronously show current number, to facilitate user synchronous observation of displayed number, to facilitate plus-minus operation.

[0024] As Figures 5 to 8 , the present application also includes a kind of control circuit, applied in the score counter described above, circuit board is equipped with main control module 21 and lamp control module 22 electrically connected with main control module 21, lamp control module 22 is respectively electrically connected with multiple LED lamp pearl groups 20, as Figure 6 , there are six digital display modules COM1~COM6 in total, five digital display modules COM1~COM5 include seven LED lamp pearl groups 20 SEG1~SEG7 to show number 0~9, this digital display module COM6 includes four LED lamp pearl groups 20 SEG1~SEG4 to show two numbers 1 on panel 11, the principle of digital display and nixie tube display are same.Key module 30 is electrically connected with main control module 21, main control module 21 controls the light-off of corresponding LED lamp pearl group 20 according to the key signal of key module 30 to drive to show number by lamp control module 22.

[0025] As Figure 7Also include interface module and power module 23, interface module includes TYPE C interface, USB interface and other existing interface, one end of interface module is used for inputting external voltage, the other end of interface module is electrically connected with power module 23, power module 23 can convert external voltage into working voltage to power supply for main control module 21, LED lamp bead group 20 and key module 30.Power module 23 includes boost circuit 231, battery module 232 and voltage stabilizing circuit 233, wherein boost circuit 231 can adopt existing BOOST boost circuit 231, voltage stabilizing circuit 233 also adopts the existing circuit with voltage stabilizing chip as shown in Figure 7 One end of boost circuit 231 inputs external voltage, the other end of boost circuit 231 is electrically connected with battery module 232, battery module 232 is electrically connected with one end of voltage stabilizing circuit 233, the other end of voltage stabilizing circuit 233 outputs working voltage to power supply for main control module 21, LED lamp bead group 20 and key module 30.

[0026] In some embodiments, also include remote controller and wireless receiving module, remote controller and wireless receiving module all adopt existing technology, remote controller sends remote control signal, wireless receiving module receives the remote control signal, wireless receiving module is electrically connected with main control module 21 to feedback the remote control signal to main control module 21.

[0027] As Figure 8 Key module 30 includes existing control chip U2 and key circuit 31, control chip U2 is electrically connected with display 31 and key circuit 31 respectively, key circuit 31 is electrically connected with plus-minus key and switch key respectively, after pressing plus-minus key / switch key, key circuit 31 feedbacks key signal to control chip U2, control chip U2 controls display 31 to display according to the key signal, thereby facilitating user to observe display number synchronously.

[0028] Also include prompt module 24 electrically connected with main control module 21, prompt module 24 can adopt buzzer, for prompting key action.

[0029] It is easy for those skilled in the art to understand that the above preferred modes can be freely combined and superimposed without conflict.

[0030] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawing contents, or direct or indirect application in other related technical fields under the utility model concept of the utility model is included in the patent protection range of the utility model.

Claims

1. A score counter, characterized in that, The application relates to a digital display device, which comprises a bottom shell (10) and a faceplate (11), the bottom shell (10) is provided with a circuit board, a plurality of LED lamp bead groups (20) are arranged on the circuit board to display numbers, a plurality of through holes (12) corresponding to the plurality of LED lamp bead groups (20) are arranged on the faceplate (11) to expose the corresponding LED lamp bead groups (20), the faceplate (11) is connected with the bottom shell (10), a button module (30) is arranged on the back of the bottom shell (10) and is electrically connected with the circuit board, the button module (30) comprises add-subtract buttons and a switch button to control the state of each LED lamp bead group (20) and realize the display of different numbers. The edge of the through hole (12) is provided with a baffle (13) which is perpendicular to the inner wall of the faceplate (11) to gather the light emitted by the LED lamp beads.

2. The scorekeeper of claim 1, wherein: The surface of the faceplate is attached with a light-transmitting film which is used for transmitting and gathering the light emitted by the LED lamp beads.

3. The scorekeeper of claim 2, wherein: The button module (30) is provided with a display (31) to synchronously display the current number.

4. The scorekeeper of claim 1, wherein: The circuit board is provided with a main control module (21) and a lamp control module (22) which is electrically connected with the main control module (21), the lamp control module (22) is electrically connected with the plurality of LED lamp bead groups (20) respectively, the button module (30) is electrically connected with the main control module (21), the main control module (21) controls the lamp control module (22) to drive the on-off of the corresponding LED lamp bead group (20) according to the button signal of the button module (30) to display numbers.

5. A control circuit applied to the score counter according to any one of claims 1 to 4, characterized in that: The application further comprises an interface module and a power module (23), one end of the interface module is used for inputting external voltage, the other end of the interface module is electrically connected with the power module (23), the power module (23) can convert the external voltage into working voltage to supply power for the main control module (21), the LED lamp bead groups (20) and the button module (30).

6. The control circuit of claim 5, wherein: The power module (23) comprises a boost circuit (231), a battery module (232) and a voltage stabilizing circuit (233), one end of the boost circuit (231) inputs external voltage, the other end of the boost circuit (231) is electrically connected with the battery module (232), the battery module (232) is electrically connected with one end of the voltage stabilizing circuit (233), the other end of the voltage stabilizing circuit (233) outputs working voltage to supply power for the main control module (21), the LED lamp bead groups (20) and the button module (30).

7. The control circuit of claim 6, wherein: The application further comprises a remote controller and a wireless receiving module, the wireless receiving module is electrically connected with the main control module (21) to feed back the remote control signal to the main control module (21).

8. The control circuit of claim 5, wherein: The button module (30) comprises a control chip U2 and a button circuit (32), the control chip U2 is electrically connected with the display (31) and the button control circuit respectively, the button control circuit is electrically connected with the add-subtract buttons and the switch button respectively.

9. The control circuit of claim 5, wherein: The application further comprises a prompt module (24) which is electrically connected with the main control module.

10. The control circuit of claim 5, wherein: ​

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