Patterned bowling pins

Abstract

The utility model discloses a bowling pin with pattern, include: wooden bottle body and the resin layer of wrapping in the wooden bottle body outside, the resin layer is made of transparent resin, the surface of resin layer can show pattern. The utility model discloses a bowling pin with pattern through setting up transparent resin layer, makes user to be able to observe the pattern that bowling pin outside showed when playing bowling, and increases the joy of playing ball through the meaning of pattern.

Description

Technical Field

[0001] This utility model relates to bowling pins, specifically to a patterned bowling pin. Background Technology

[0002] In the recreational game of bowling, bowling balls are used to knock down bowling pins, and the winner is determined by the number of pins knocked down.

[0003] In the existing technology, ordinary bowling pins are basically white, etc. Although the color of the bowling pins can be seen by bowlers, bowling pins cannot display various interesting patterns to increase bowlers' interest and make the whole bowling game more interesting. Therefore, how to make bowling pins display patterns to improve users' enjoyment of bowling is the problem that this application urgently needs to solve. Utility Model Content

[0004] This invention aims to provide a bowling pin with a pattern, thereby solving the problem that existing bowling pins do not have patterns.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: The present invention discloses a patterned bowling pin, comprising: a wooden bottle body and a resin layer wrapped around the outside of the wooden bottle body, the resin layer being made of transparent resin, and the surface of the resin layer being able to display a pattern.

[0006] Preferably, the patterned bowling pin also includes a light source, a battery, and a light-emitting circuit. The pattern is attached to the outer surface of the wooden bottle body. The light source is embedded in the wooden bottle body or resin layer to illuminate the pattern. The battery and the light-emitting circuit are disposed in the wooden bottle body. The light-emitting circuit is a vibration contact switch. The anode of the light source is connected to the positive terminal of the battery through the vibration contact switch, and the cathode of the light source is grounded.

[0007] Preferably, the patterned bowling pin further includes a pattern display structure for displaying the pattern, the pattern display structure being disposed within the wooden pin body; the pattern display structure includes a display unit for displaying the pattern, a control circuit, and a battery, the battery supplying power to the display unit through the control circuit.

[0008] Preferably, the patterned bowling pin further includes a mounting mechanism, and the display unit includes a first display screen and a second display screen; the bottom of the pin is recessed to form a mounting cavity, and the mounting mechanism is installed in the mounting cavity. The mounting mechanism installs the first display screen, the second display screen, the control circuit, and the battery. The first display screen and the second display screen are arranged back-to-back, and the first display screen and the second display screen face the resin layer. The control circuit includes a first switch drive module, a second switch drive module, and a controller. The first control output terminal of the controller is connected to the control terminal of the first switch drive module, the second control output terminal of the controller is connected to the control terminal of the second switch drive module, and the signal output terminal group of the controller is connected to the signal input terminal of the first display screen and the signal input terminal of the second display screen. The battery powers the first display screen through the first switch drive module, the battery powers the second display screen through the second switch drive module, and the battery powers the controller.

[0009] Preferably, the installation mechanism includes: a first positioning end structure, a second positioning end structure, and a circuit board. A control circuit is installed on the circuit board. The first positioning end structure is inserted into the inner wall of the bottle. The first positioning end structure is installed on the top of the circuit board. The second positioning end structure is installed on the bottom of the circuit board. The second positioning end structure seals the installation cavity. A first display screen is installed on one side of the circuit board, and a second display screen is installed on the other side of the circuit board.

[0010] Preferably, the circuit board, the first display screen, and the second display screen are connected by a connecting mechanism.

[0011] Preferably, the connecting mechanism includes: a connecting bolt, a first intermediate cylinder, a second intermediate cylinder, and a nut. The connecting bolt passes through the edge of the first display screen, the edge of the second display screen, and the edge of the circuit board. The first intermediate cylinder is provided between the first display screen and the circuit board, and the second intermediate cylinder is provided between the second display screen and the circuit board. The connecting bolt passes through the first intermediate cylinder and the second intermediate cylinder. The connecting bolt is threaded to the nut. The large end of the connecting bolt cooperates with the nut to clamp the edge of the first display screen, the edge of the second display screen, the edge of the circuit board, the first intermediate cylinder, and the second intermediate cylinder.

[0012] Preferably, there are at least two connecting mechanisms, one connecting mechanism passing through the first positioning end structure and the other connecting mechanism passing through the second positioning end structure. The first positioning end structure is pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder, and the second positioning end structure is pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder.

[0013] Preferably, the first positioning end structure includes: a positioning post and a first connecting block, the positioning post being inserted into the inner wall of the bottle, the positioning post being fixed to the first connecting block, and the first connecting block being pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder.

[0014] Preferably, the second positioning end structure includes: a second connecting block and a sealing cap. The second connecting block is pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder. The second connecting block is fixed to the sealing cap. The sealing cap is installed on the bottom surface of the bowling bottle by a first screw. The sealing cap seals the mounting cavity. The bottom surface of the sealing cap is recessed to form an insertion cavity. The insertion cavity is used to install the battery. The sealing cap is connected to a cover plate by a second screw. The cover plate is fastened to the insertion cavity.

[0015] Preferably, the control circuit further includes a light intensity detection module, the output of which is connected to the input of the controller.

[0016] Preferably, the light intensity detection module includes: a photoresistor LDR1, a resistor R1, a resistor R2, a resistor R3, and a comparator U2. The positive terminal of the battery is connected to the first terminal of the photoresistor LDR1. The photoresistor LDR1 is mounted on the front of the first display screen. The second terminal of the photoresistor LDR1 is grounded through the resistor R1. The positive terminal of the battery is connected to the first terminal of the resistor R2. The second terminal of the resistor R2 is grounded through the resistor R3. The second terminal of the resistor R2 is connected to the inverting input terminal of the comparator U2. The second terminal of the photoresistor LDR1 is connected to the non-inverting input terminal of the comparator U2. The output terminal of the comparator U2 is the output terminal of the light intensity detection module.

[0017] Preferably, both the first switch driving module and the second switch driving module include: a diode D1 and a transistor Q1, the positive terminal of the battery is connected to the anode of the diode D1, the cathode of the diode D1 is connected to the power supply terminal of the first display screen or the power supply terminal of the second display screen, the cathode of the diode D1 is connected to the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, and the base of the transistor Q1 is the control terminal of the first switch driving module or the control terminal of the second switch driving module.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In this application, the desired pattern is displayed through a transparent resin layer, making bowling a more fun and engaging activity for bowlers.

[0020] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a patterned bowling pin in one embodiment.

[0022] Figure 2 This is a schematic diagram of the control circuit in one embodiment of a vibration contact switch.

[0023] Figure 3This is a schematic diagram of a patterned bowling pin in one embodiment.

[0024] Figure 4 This is a schematic diagram of the structure of the mounting mechanism in a patterned bowling pin according to one embodiment.

[0025] Figure 5 This is a cross-sectional view of a patterned bowling pin in one embodiment.

[0026] Figure 6 This is a circuit diagram of the controller, the first display screen, and the second display screen in one embodiment.

[0027] Figure 7 This is a circuit diagram of the light intensity detection module in one implementation.

[0028] Reference numerals: Battery VCC, Controller U1, First Display Screen LCD1, Second Display Screen LCD2, Bottle 1, First Positioning End Structure 21, Positioning Post 211, First Connecting Block 212, Second Positioning End Structure 22, Second Connecting Block 221, Sealing Cap 222, Circuit Board 23, Connecting Mechanism 24, Connecting Bolt 240, First Intermediate Cylinder 241, Second Intermediate Cylinder 242, Nut 243, Resin Layer 200, Light Lamp 201, First Fixed End 31, Second Fixed End 32, Opening / Closing Plate 33, Vibration Spring 34, Seat 35. Detailed Implementation

[0029] To make the technical means, creative features, achieved objectives and functions of this utility model clearer and easier to understand, the utility model will be further described below with reference to the accompanying drawings and specific embodiments:

[0030] like Figure 1 As shown, this utility model discloses a patterned bowling pin, comprising: a wooden bottle body 1 and a resin layer wrapped around the outside of the wooden bottle body 1. The resin layer is made of transparent resin, and the surface of the resin layer can display a pattern. The pattern displayed on the surface of the resin layer can be a pattern directly attached to the surface of the wooden bottle body 1, or a pattern directly displayed through a pattern display structure.

[0031] Optionally, the patterned bowling pin also includes a light lamp 201, a battery VCC, and a light-emitting circuit. The pattern is attached to the outer surface of the wooden pin body 1. The pattern can be attached to the surface of the wooden pin body using various existing technologies such as pasting, printing, or hand-painting. The light lamp 201 is embedded in the wooden pin body 1 or the resin layer to illuminate the pattern. The battery VCC and the light-emitting circuit are disposed in the wooden pin body 1. The light-emitting circuit is a vibration contact switch. The anode of the light lamp 201 is connected to the positive terminal of the battery VCC through the vibration contact switch, and the cathode of the light lamp 201 is grounded. The light lamp 201 illuminates the pattern so that bowlers at a distance can see it. By setting a vibration contact switch, after the bowling ball hits the entire patterned bowling pin, the pattern on the patterned bowling pin flashes under the illumination of the light lamp 201. Because the vibration contact switch vibrates and contacts after the collision, the vibration contact switch closes and opens intermittently, thus achieving the flashing of the pattern under the flashing action of the light lamp 201. In this embodiment, once the desired pattern has been printed on the resin layer, the light lamp 201 can make the pattern brighter.

[0032] Optionally, the present invention also provides a patterned bowling pin, which further includes a pattern display structure disposed inside the pin body 1; the pattern display structure includes a display unit for displaying a light-emitting pattern, a control circuit, and a battery VCC, wherein the battery VCC supplies power to the display unit through the control circuit; the pin body 1 does not obstruct the light-emitting pattern displayed by the display unit.

[0033] As one embodiment of this utility model, such as Figure 1 As shown, a display unit is installed on the side of the bottle body 1. The display unit includes a light-transmitting body and a light-emitting lamp 201. The light-transmitting body is made of light-transmitting material and has a light-emitting pattern. A battery VCC and a control circuit are installed inside the light-transmitting body. The control circuit is a vibration contact switch. The anode of the light-emitting lamp 201 is connected to the positive terminal of the battery VCC through the vibration contact switch, and the cathode of the light-emitting lamp 201 is grounded. Figure 1 The luminous pattern formed by the shape of the light-transmitting body is a five-pointed star, but it can also be other shapes.

[0034] like Figure 2As shown, the vibration contact switch includes: a first fixed end 31, a second fixed end 32, an opening / closing plate 33, and a vibration spring 34. The first fixed end 31 is connected to the battery VCC, and the second fixed end 32 is connected to the anode of the light lamp 201. Both the first fixed end 31 and the second fixed end 32 are fixed to the base 35. The opening / closing plate 33 is installed next to the first fixed end 31 and the second fixed end 32. The opening / closing plate 33 can move away from or close to the first fixed end 31 and the second fixed end 32. One end of the opening / closing plate 33 is connected to one end of the vibration spring 34, and the other end of the vibration spring 34 is fixed to the base 35. The spring 34 keeps the opening and closing plate 33 away from the first fixed end 31 and the second fixed end 32 under its elastic force. The first fixed end 31, the second fixed end 32 and the opening and closing plate 33 are all made of conductive material. When the bottle body 1 is hit by the bowling bottle, the opening and closing plate 33 is pressed tightly against the first fixed end 31 and the second fixed end 32 to realize the light-emitting pattern formed by the incremental light-transmitting body. Of course, when the vibrating spring 34 vibrates, the opening and closing plate 33 will also move away from the first fixed end 31 and the second fixed end 32, and the light lamp 201 will be de-energized, thus realizing the phenomenon of the light-emitting pattern flashing, thereby increasing the interest in bowling.

[0035] Alternatively, as another embodiment of this utility model, such as Figures 3 to 7As shown, the patterned bowling pin also includes a pattern display structure for displaying the pattern, which is disposed within the wooden pin body 1. The pattern display structure includes a display unit for displaying the pattern, a control circuit, and a battery VCC. The battery VCC supplies power to the display unit through the control circuit. The patterned bowling pin also includes a mounting mechanism. The display unit includes a first display screen and a second display screen. The bottom of the pin body 1 is recessed to form a mounting cavity, and the mounting mechanism is installed in the mounting cavity. The mounting mechanism mounts the first display screen LCD1, the second display screen LCD2, the control circuit, and the battery VCC. The first display screen LCD1 and the second display screen LCD2 are arranged back-to-back, facing the resin layer (the first display screen or the second display screen displays the pattern through the resin layer). The control circuit includes a first switch drive module, a second switch drive module, and a controller U1. The first control output terminal P2.3 of the controller U1 is connected to the control terminal of the first switch drive module. The second control output terminal P2.2 of U1 is connected to the control terminal of the second switch drive module. The signal output terminal group of controller U1 (including P0.0, P0.1, P0.2, P0.3, P0.4, P0.5, P0.6 and P0.7) is connected to the signal input terminal of the first display LCD1 (including D7, D6, D5, D4, D3, D2, D1 and D0) and the signal input terminal of the second display LCD2. Battery VCC supplies power to the first display LCD1 through the first switch drive module, supplies power to the second display LCD2 through the second switch drive module, and supplies power to the power supply terminal of controller U1. Since only one side of the bowling pin faces the bowler during use, a first display screen and a second display screen are designed to ensure the image displayed on the pin is visible to the bowler. The controller switches between the first and second display screens via a first switch drive module and a second drive module, making it more convenient to use the automatically illuminated bowling pin. This design utilizes different images projected from the resin layer by the first and second display screens, allowing for the display of a variety of patterns.

[0036] The controller U1 can be an AT89C51 or AT89C52, or it can be an STM32 series control chip.

[0037] In this application, the installation mechanism includes: a first positioning end structure 21, a second positioning end structure 22, and a circuit board 23. A control circuit is installed on the circuit board 23. The first positioning end structure 21 is inserted into the inner wall of the bottle body 1. The first positioning end structure 21 is installed at the top of the circuit board 23. The second positioning end structure 22 is installed at the bottom of the circuit board 23. The second positioning end structure 22 seals the installation cavity. A first display screen LCD1 is installed on one side of the circuit board 23, and a second display screen LCD2 is installed on the other side of the circuit board 23.

[0038] In the above-mentioned installation mechanism, the top of the first positioning end structure 21 positions the circuit board 23 on the bottle body 1, and the bottom of the second positioning end structure 22 positions the circuit board 23 on the bottom of the bottle body 1. This prevents the circuit board 23 from moving relative to the bottle body 1 when the entire patterned bowling pin is knocked over, thus avoiding some open circuits in the control circuit on the circuit board 23 and improving the service life of the entire patterned bowling pin.

[0039] In this application, the circuit board 23, the first display screen LCD1, and the second display screen LCD2 are connected by a connecting mechanism 24. The connecting mechanism 24 fixes both the first display screen LCD1 and the second display screen LCD2 next to the circuit board 23, which facilitates the installation of the circuit board 23 on the bottle body 1. This ensures that both the first display screen LCD1 and the second display screen LCD2 are positioned on the bottle body 1, preventing the first display screen LCD1 and the second display screen LCD2 from moving around after installation.

[0040] In this application, the connecting mechanism 24 includes: a connecting bolt 240, a first intermediate cylinder 241, a second intermediate cylinder 242, and a nut 243. The connecting bolt 240 passes through the edge of the first display screen LCD1, the edge of the second display screen LCD2, and the edge of the circuit board 23. The first intermediate cylinder 241 is provided between the first display screen LCD1 and the circuit board 23, and the second intermediate cylinder 242 is provided between the second display screen LCD2 and the circuit board 23. The connecting bolt 240 passes through the first intermediate cylinder 241 and the second intermediate cylinder 242. The connecting bolt 240 is threadedly connected to the nut 243. The large end of the connecting bolt 240 cooperates with the nut 243 to clamp the edge of the first display screen LCD1, the edge of the second display screen LCD2, the edge of the circuit board 23, the first intermediate cylinder 241, and the second intermediate cylinder 242.

[0041] When mounting the first display screen LCD1 and the second display screen LCD2 on the circuit board 23, the connecting bolt 240 passes through the edge of the first display screen LCD1, the edge of the second display screen LCD2, and the edge of the circuit board 23. At the same time, the connecting bolt 240 passes through the first intermediate cylinder 241 located between the first display screen LCD1 and the circuit board 23, and the second intermediate cylinder 242 located between the second display screen LCD2 and the circuit board 23. The nut 243 is threaded onto the connecting bolt 240. In this way, the first display screen LCD1 and the second display screen LCD2 can be mounted on the circuit board 23 while maintaining the distance between the first display screen LCD1 and the circuit board 23 and the gap between the second display screen LCD2 and the circuit board 23, so as to avoid the first display screen LCD1 and the second display screen LCD2 from affecting the control circuit on the circuit board 23.

[0042] In this application, there are at least two connecting mechanisms 24. One connecting mechanism 24 passes through the first positioning end structure 21, and the other connecting mechanism 24 passes through the second positioning end structure 22. The first positioning end structure 21 is pressed onto the circuit board 23 by the first intermediate cylinder 241 and / or the second intermediate cylinder 242, and the second positioning end structure 22 is pressed onto the circuit board 23 by the first intermediate cylinder 241 and / or the second intermediate cylinder 242.

[0043] The design of at least two connecting mechanisms 24 makes the first display screen LCD1 and the second display screen LCD2 more stable when mounted on the circuit board 23. At the same time, one connecting mechanism 24 simultaneously positions the first positioning end structure 21 on the circuit board 23, and the other connecting mechanism 24 simultaneously positions the second positioning end structure 22 on the circuit board 23.

[0044] In this application, the first positioning end structure 21 includes a positioning post 211 and a first connecting block 212. The positioning post 211 is inserted into the inner wall of the bottle body 1 and fixed to the first connecting block 212. The first connecting block 212 is pressed onto the circuit board 23 by the first intermediate cylinder 241 and / or the second intermediate cylinder 242. The design of the positioning post 211 prevents the top of the circuit board 23 from moving relative to the bottle body 1 by inserting the positioning post 211 into the inner wall of the bottle body 1. The first connecting block 212 allows the large end of the connecting bolt 240 to be tightened together with the nut 243, thereby positioning the positioning post 211 on the circuit board 23 through the first connecting block 212.

[0045] In this application, the second positioning end structure 22 includes a second connecting block 221 and a sealing cover 222. The second connecting block 221 is pressed onto the circuit board 23 by the first intermediate cylinder 241 and / or the second intermediate cylinder 242. The second connecting block 221 is fixed to the sealing cover 222. The sealing cover 222 is installed on the bottom surface of the bowling bottle by a first screw. The sealing cover 222 seals the mounting cavity. The bottom surface of the sealing cover 222 is recessed to form an insertion cavity for installing the battery VCC. The sealing cover 222 is connected to a cover plate by a second screw, and the cover plate snaps into the insertion cavity. The design of the sealing cover 222 enables the bottom end of the circuit board 23 to be positioned by the sealing cover 222 in the second positioning end structure 22, and the sealing cover 222 seals the mounting cavity. The second connecting block 221 enables the large end of the connecting bolt 240 to be tightened together with the nut 243, thereby enabling the sealing cover 222 to be positioned on the circuit board 23 by the second connecting block 221.

[0046] In this application, the control circuit also includes a light intensity detection module, the output of which is connected to the input P2.0 of the controller U1. During bowling pin usage, one side of the pin faces the dimly lit bowling hole, and the other side faces the brightly lit bowler. By detecting the light intensity through the light intensity detection module, it can determine whether the first display screen LCD1 or the second display screen LCD2 is facing the bowler, thus achieving automatic identification and automatic switching to illuminate either the first display screen LCD1 or the second display screen LCD2. Figure 5 As shown, in this application, the light intensity detection module includes: a photoresistor LDR1, a resistor R1, a resistor R2, a resistor R3, and a comparator U2. The positive terminal of the battery VCC is connected to the first terminal of the photoresistor LDR1. The photoresistor LDR1 is mounted on the front of the first display screen LCD1. The second terminal of the photoresistor LDR1 is grounded through the resistor R1. The positive terminal of the battery VCC is connected to the first terminal of the resistor R2. The second terminal of the resistor R2 is grounded through the resistor R3. The second terminal of the resistor R2 is connected to the inverting input terminal of the comparator U2. The second terminal of the photoresistor LDR1 is connected to the non-inverting input terminal of the comparator U2. The output terminal of the comparator U2 is the output terminal of the light intensity detection module. The greater the light intensity, the smaller the resistance of photoresistor LDR1, and the greater the voltage at the second terminal of photoresistor LDR1. Since photoresistor LDR1 is installed on the front of the first display screen LCD1, when the first display screen LCD1 is facing the bowling man, the voltage at the second terminal of photoresistor LDR1 is large; when the first display screen LCD1 is facing a dark surface, the voltage at the second terminal of photoresistor LDR1 is small. Comparator U2 compares the voltage at the second terminal of photoresistor LDR1 with the voltage at the second terminal of resistor R2. When the first display screen LCD1 is facing the bowling man, the voltage at the second terminal of photoresistor LDR1 is large, and comparator U2 outputs a high level; when the first display screen LCD1 is facing a dark surface, the voltage at the second terminal of photoresistor LDR1 is small, and comparator U2 outputs a low level, thus distinguishing whether the first display screen LCD1 is facing the bowling man.

[0047] like Figure 4 As shown, preferably, both the first switch driving module and the second switch driving module include: a diode D1 and a transistor Q1. The positive terminal of the battery VCC is connected to the anode of diode D1, the cathode of diode D1 is connected to the power supply terminal VDD of the first display screen LCD1 or the power supply terminal VDD of the second display screen LCD2, the cathode of diode D1 is connected to the collector of transistor Q1, the emitter of transistor Q1 is grounded, and the base of transistor Q1 is the control terminal of the first switch driving module or the second switch driving module. This enables either the first display screen LCD1 or the second display screen LCD2 to be powered on by battery VCC when the controller U1 inputs a high level to the base of transistor Q1. Conversely, enabling either the first display screen LCD1 or the second display screen LCD2 to be de-powered by battery VCC when the controller U1 inputs a low level to the base of transistor Q1.

[0048] The GND terminals of both the first display LCD1 and the second display LCD2 are grounded. The first display LCD1 and the second display LCD2 can display interesting patterns to enhance the overall fun of the bowling game.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A patterned bowling pin, characterized in that, include: A wooden bottle body and a resin layer wrapped around the outside of the wooden bottle body, the resin layer being made of transparent resin and having a pattern that can be displayed on its surface; The patterned bowling pin also includes a pattern display structure for displaying the pattern, the pattern display structure being disposed within the wooden pin body; The pattern display structure includes a display unit for displaying the pattern, a control circuit, and a battery, wherein the battery supplies power to the display unit through the control circuit; The patterned bowling pins also include a mounting mechanism, and the display unit includes a first display screen and a second display screen; The bottom of the bottle is recessed to form an installation cavity, in which an installation mechanism is installed. The installation mechanism installs a first display screen, a second display screen, a control circuit, and a battery. The first and second display screens are arranged back-to-back and face the resin layer. The control circuit includes a first switch drive module, a second switch drive module, and a controller. The first control output terminal of the controller is connected to the control terminal of the first switch drive module, the second control output terminal of the controller is connected to the control terminal of the second switch drive module, and the signal output terminal group of the controller is connected to the signal input terminals of the first and second display screens. The battery powers the first display screen through the first switch drive module, the battery powers the second display screen through the second switch drive module, and the battery powers the controller power supply terminal. The control circuit also includes a light intensity detection module, the output of which is connected to the input of the controller. The light intensity detection module includes: a photoresistor LDR1, a resistor R1, a resistor R2, a resistor R3, and a comparator U2. The positive terminal of the battery is connected to the first terminal of the photoresistor LDR1, which is mounted on the front of the first display screen. The second terminal of the photoresistor LDR1 is grounded through the resistor R1. The positive terminal of the battery is connected to the first terminal of the resistor R2, which is grounded through the resistor R3. The second terminal of the resistor R2 is connected to the inverting input terminal of the comparator U2, and the second terminal of the photoresistor LDR1 is connected to the non-inverting input terminal of the comparator U2. The output terminal of the comparator U2 is the output terminal of the light intensity detection module. Both the first switch driving module and the second switch driving module include: a diode D1 and a transistor Q1. The positive terminal of the battery VCC is connected to the anode of the diode D1, the cathode of the diode D1 is connected to the power supply terminal VDD of the first display screen LCD1 or the power supply terminal VDD of the second display screen LCD2, the cathode of the diode D1 is connected to the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, and the base of the transistor Q1 is the control terminal of the first switch driving module or the control terminal of the second switch driving module.

2. The patterned bowling pin according to claim 1, characterized in that, The mounting mechanism includes: a first positioning end structure, a second positioning end structure, and a circuit board. A control circuit is mounted on the circuit board. The first positioning end structure is inserted into the inner wall of the bottle. The first positioning end structure is mounted on the top of the circuit board. The second positioning end structure is mounted on the bottom of the circuit board. The second positioning end structure seals the mounting cavity. A first display screen is mounted on one side of the circuit board, and a second display screen is mounted on the other side of the circuit board.

3. The patterned bowling pin according to claim 2, characterized in that, The circuit board, the first display screen, and the second display screen are connected by a connecting mechanism.

4. The patterned bowling pin according to claim 3, characterized in that, The connecting mechanism includes a connecting bolt, a first intermediate cylinder, a second intermediate cylinder, and a nut. The connecting bolt passes through the edge of the first display screen, the edge of the second display screen, and the edge of the circuit board. The first intermediate cylinder is provided between the first display screen and the circuit board, and the second intermediate cylinder is provided between the second display screen and the circuit board. The connecting bolt passes through the first intermediate cylinder and the second intermediate cylinder. The connecting bolt is threaded to the nut. The large end of the connecting bolt cooperates with the nut to clamp the edge of the first display screen, the edge of the second display screen, the edge of the circuit board, the first intermediate cylinder, and the second intermediate cylinder.

5. The patterned bowling pin according to claim 4, characterized in that, There are at least two connecting mechanisms. One connecting mechanism passes through the first positioning end structure, and the other connecting mechanism passes through the second positioning end structure. The first positioning end structure is pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder, and the second positioning end structure is pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder.

6. The patterned bowling pin according to claim 5, characterized in that, The first positioning end structure includes: a positioning post and a first connecting block. The positioning post is inserted into the inner wall of the bottle and fixed to the first connecting block. The first connecting block is pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder.

7. The patterned bowling pin according to claim 6, characterized in that, The second positioning end structure includes: a second connecting block and a sealing cap. The second connecting block is pressed onto the circuit board by the first intermediate cylinder and / or the second intermediate cylinder. The second connecting block is fixed to the sealing cap. The sealing cap is installed on the bottom surface of the bowling bottle by the first screw. The sealing cap seals the mounting cavity. The bottom surface of the sealing cap is recessed to form an insertion cavity. The insertion cavity is used to install the battery. The sealing cap is connected to the cover plate by the second screw. The cover plate is fastened to the insertion cavity.

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