Electromagnetic acceleration block and control method and preparation method thereof

Abstract

The invention relates to an electromagnetic acceleration block and a control method and a preparation method thereof.The electromagnetic acceleration block is matched with a magnetic passing object and comprises a shell, an acceleration channel is formed in the shell in a penetrating mode, a coil is wound outside the acceleration channel, a trigger is arranged on the matched coil, and a control circuit module is arranged in the shell of the matched coil and the trigger; comprising a power supply, a boost unit and a protection unit. An electromagnetic acceleration block is arranged in the electromagnetic acceleration module and is started, and after a trigger is triggered by a magnetic passing object, the control circuit module controls the magnetic passing object to pass through the acceleration channel in an acceleration mode and protect the magnetic passing object; and preparing a shell and an acceleration channel, winding a coil and completing electrical connection, and then placing the whole body in the shell to complete installation. The metal proximity switch accelerates a moving part, interference is effectively reduced, stability is improved, the operation requirements of teaching aids or toys are met, potential safety hazards are reduced, the service life of the electromagnetic acceleration block is effectively prolonged, and the electromagnetic acceleration block has wide application prospects and development space.

Description

Technical Field

[0001] The present invention relates to the technical field of models for science, medicine or mathematics, such as devices with real size for demonstration, and in particular to an electromagnetic acceleration block and a control method and a preparation method thereof. Background Art

[0002] Electromagnetic acceleration is a method of accelerating an object by utilizing the action of electromagnetic force. When current passes through a wire, a magnetic field is generated around it. According to the right-hand rule, the direction of the magnetic field can be determined as the direction in which the arrow points to the wire. When the conductor passes through this magnetic field, the electrons in the conductor are accelerated by the action of the force.

[0003] Since electromagnetic acceleration can make conductors reach very high accelerations, even far exceeding traditional mechanical accelerators, it can achieve precise control of conductors by adjusting the size and direction of the current, and its safety and reliability are also relatively high. Therefore, as basic physics, it has broad application prospects, including but not limited to scientific experiments, transportation, industrial production and other electromagnetic application scenarios.

[0004] By deeply understanding the principles and applications of electromagnetic acceleration, we can better utilize this technology to promote scientific progress and social development. Therefore, it is often experimented and demonstrated in scientific education and popular science activities, including combining it with modern toys to make education entertaining.

[0005] Building block toys have always been one of the classic toys that children love. They are also a kind of teaching aids that can effectively develop the various abilities of children of all ages. However, in the prior art, traditional track building block toys, including moving parts such as balls and cars, can be realized through tracks under the action of gravity or initial power, from a starting point to a certain target point. However, this design has many limitations. In addition to allowing children to understand the role of gravity and initial acceleration to a certain extent, due to the lack of other expandable modules that provide power, such as electromagnetic acceleration, it will often be more suitable for young children, and the application scenarios are also relatively single; for children aged 6 to 12, their needs for improving their hands-on skills and acquiring more extensive knowledge points are gradually increasing. Building block toys that cannot be further expanded are not suitable for these children, nor can they increase their understanding of basic physics.

[0006] Furthermore, in the actual application process, the electromagnetic acceleration blocks of the teaching aids in the prior art mostly use infrared tubes as switch controls, which must be connected to a power supply and are bulky, which is not conducive to application in toys, and the accuracy of their induction is also questionable; there is also a teaching aid that ties multiple coils on the circumference of a disk to achieve an electromagnetic acceleration demonstration, and a magnetic sphere or other experimental objects can repeatedly circle between the multiple coils of the disk. Considering the safety of the experiment, the general students' understanding of electromagnetic acceleration stops here, and there is a lack of ways to expand their cognition. Considering the small size of the building blocks, how to ensure that the magnetic objects can pass through the acceleration channel smoothly also needs to be considered. Summary of the invention

[0007] The invention solves the problems existing in the prior art and provides an electromagnetic acceleration block and a control method and a preparation method thereof.

[0008] The technical solution adopted by the present invention is an electromagnetic acceleration block, which is arranged in conjunction with a magnetic passing object. The electromagnetic acceleration block includes a shell, and an acceleration channel is arranged at the front end and the rear end of the shell. A coil is wound around the acceleration channel, and a trigger is arranged in conjunction with the coil. A control circuit module is arranged in the shell in conjunction with the coil and the trigger. The control circuit module includes: A power supply, used to provide basic power supply; A boost unit, in conjunction with the power supply arrangement, for providing an adjustable operating voltage for the coil and the trigger; A protection unit is used to detect the working state of the acceleration channel and trigger the protection mechanism.

[0009] Preferably, the trigger includes a metal proximity switch arranged on the outer side of the middle part of the acceleration channel, and a mounting slot is provided outside the acceleration channel for the metal proximity switch; the coil includes a first coil and a second coil arranged at both ends of the metal proximity switch, and the first coil and the second coil are connected.

[0010] Preferably, the boost unit comprises a first boost circuit for providing a coil operating voltage and a second boost circuit for providing a trigger operating voltage; The first boost circuit comprises a first DC-DC chip, a VCC pin of the first DC-DC chip is connected to a power supply, a CII pin of the first DC-DC chip is connected to one end of a first regulating resistor and a second regulating resistor, the other end of the first regulating resistor is grounded, and the other end of the second regulating resistor is connected to one end of the coil; the voltage output to the coil is adjusted according to the resistance ratio of the first regulating resistor and the second regulating resistor; The second boost circuit includes a second DC-DC chip, an enable pin and a VCC pin of the second DC-DC chip are connected to a power supply, an FB pin of the second DC-DC chip is connected to one end of a third regulating resistor and a fourth regulating resistor, the other end of the third regulating resistor is connected to a trigger, and the other end of the fourth regulating resistor is grounded; the voltage output to the trigger is adjusted according to the resistance ratio of the third regulating resistor and the fourth regulating resistor.

[0011] Preferably, a control circuit is provided in conjunction with the coil; The input end of the control circuit of the coil is connected to the other end of the second regulating resistor, the output end of the control circuit is grounded, and a conditional conduction unit is provided between the input end and the output end, and the conditional conduction unit is provided in conjunction with the protection unit.

[0012] Preferably, the protection unit comprises a control chip, a VCC pin of the control chip is connected to the output end of the trigger, a DISCH pin of the control chip is connected to the capacitor via a protection resistor, and an output pin of the control chip is connected to the conditional conduction unit.

[0013] Preferably, a touch switch is provided in cooperation with the control circuit module, and a marking portion is provided on a housing that cooperates with the touch switch.

[0014] Preferably, a charging port and an indicator light port are provided on the end face of the shell on the outlet side of the acceleration channel; the control circuit module also includes a charging unit, which is arranged in conjunction with the power supply to perform external charging for the power supply.

[0015] Preferably, an anti-collision assembly is provided at the inlet of the acceleration channel.

[0016] A control method for the electromagnetic acceleration block, the control method comprising the following steps: S1.1 Place the electromagnetic acceleration block in the electromagnetic acceleration module and start the electromagnetic acceleration block; S1.2 The control circuit module controls the trigger to feedback information in real time. When the magnetic object reaches the entrance of the acceleration channel, the trigger is triggered by the magnetic object, and the control circuit module controls the coil to generate a magnetic field, so that the magnetic object obtains acceleration through the acceleration channel; S1.3 The control circuit module obtains the signal of the magnetic object passing through and determines whether it has passed through the acceleration channel and left. If so, it returns to S1.2, otherwise it proceeds to S1.4; S1.4 cooperates with the protection unit to restart the magnetic field at the preset frequency and repeats S1.3.

[0017] A method for preparing the electromagnetic acceleration block, the method comprising the following steps: S2.1 Prepare a housing and an accelerating channel therein; S2.2 processing the acceleration channel and setting a mounting slot for positioning the trigger; S2.3 Start winding the coil outside the accelerating channel from the exit end of the accelerating channel. The coil near the exit of the accelerating channel is parallel to the plane where the exit of the accelerating channel is located. When winding to the installation slot, the coil is wound obliquely upward along the arc of the installation slot toward the entrance end of the accelerating channel. Then continue to wind toward the entrance of the accelerating channel with one side of the coil higher and the other side lower, until the coil is wound to the entrance of the accelerating channel to prevent collision with the assembly body; S2.4 Install the trigger in the installation slot, install the control circuit module outside the coil, and configure the control circuit module to connect with the coil and the trigger; S2.5 Place the connected control circuit module, coil and trigger in the housing, close the housing and complete the installation.

[0018] The invention relates to an electromagnetic acceleration block and a control method and a preparation method thereof. The electromagnetic acceleration block is arranged in conjunction with a magnetic passing object, comprises a shell, an acceleration channel is arranged at the front end and the rear end of the shell, a coil is wound around the outside of the acceleration channel, a trigger is arranged in conjunction with the coil, and a control circuit module is arranged in the shell in conjunction with the coil and the trigger, comprising a power supply, a boost unit for providing an adjustable working voltage for the coil and the trigger, and a protection unit for detecting the working state of the acceleration channel and triggering a protection mechanism; the electromagnetic acceleration block is placed in the electromagnetic acceleration module and started, and after the trigger is triggered by the magnetic passing object, the control circuit module controls the magnetic passing object to accelerate and pass through the acceleration channel and protect it; the shell and the acceleration channel are prepared, the coil is wound based on the position where a metal proximity switch is installed in the acceleration channel, and after completing the electrical connection, the whole is placed in the shell to complete the installation.

[0019] The beneficial effects of the present invention are: (1) Based on the principle of electromagnetic acceleration, the magnetic object passing through is accelerated, so that the magnetic object without high energy can obtain a higher initial velocity and pass through, which can be applied to building block toys, improve the continuity of the toy track and the overall playability, and play a role in the basic physics enlightenment of children of appropriate age, which is conducive to cultivating children's creativity while playing; (2) Using metal proximity switches to accelerate moving parts effectively reduces the interference caused by using infrared switches for triggering in the prior art and improves stability; (3) A boost circuit is used to boost the voltage of ordinary lithium batteries, generally 3.7V, to a safe voltage range for the human body, which not only meets the operating requirements of teaching aids or toys, but also reduces safety hazards; (4) During the control process, when the magnetic object cannot pass through the acceleration channel smoothly, the magnetic field is cyclically turned on or off, which can not only prevent the circuit from being turned on for a long time and causing heat, but also exert an instantaneous external force on the stuck magnetic object during the opening and closing cycle, prompting it to pass through the acceleration channel, effectively improving the service life of the electromagnetic accelerator and providing children with ideas for solving problems; (5) The electromagnetic acceleration block based on the electromagnetic acceleration principle is more interesting and innovative, can better attract children's attention, stimulate children's interest in scientific principles, promote the development of their hands-on ability and creativity, and has broad application prospects and development space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the inlet side of the acceleration channel in the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the outlet side of the acceleration channel in the present invention; Figure 3 It is a schematic diagram of the main view structure of the present invention; Figure 4 for Figure 3 AA section view; Figure 5 This is a schematic diagram of the three-dimensional structure of the present invention without the outer shell; Figure 6 This is a front view structural schematic diagram of the present invention with the housing removed; Figure 7 is a structural block diagram of a control circuit module in the present invention, wherein arrows indicate the direction of circuit control; Figure 8 is a schematic diagram of a first boost circuit in the present invention; Fig. 9 is a schematic diagram of a second boost circuit in the present invention; Fig.10 is a schematic diagram of a protection unit in the present invention; Fig.11 It is a schematic diagram of a control circuit for a matching coil in the present invention. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] like Figure 1 to Figure 7As shown, the present invention relates to an electromagnetic acceleration block, which is arranged in conjunction with a magnetic passing object (not shown in the figure), the electromagnetic acceleration block comprises a shell 1, an acceleration channel 2 is arranged through the front end and the rear end of the shell 1, a coil is arranged around the acceleration channel 2, a trigger 3 is arranged in conjunction with the coil, a control circuit module is arranged in the shell 1 in conjunction with the coil and the trigger 3, and the control circuit module comprises: A power supply 4, used to provide basic power supply; a boost unit, arranged in conjunction with the power supply 4, for providing an adjustable working voltage to the coil and the trigger 3; A protection unit is used to detect the working state of the acceleration channel 2 and trigger a protection mechanism.

[0023] In the present invention, the magnetic passing object is any object with a metal conductor, including but not limited to a metal ball, a track car equipped with a metal block, etc. It obtains a greater acceleration after being accelerated through the electromagnetic acceleration channel 2, and can go to a farther distance, thereby realizing the expanded application of track-type building block toys.

[0024] In the present invention, the housing 1 is generally configured to be a combination of an installation panel 11 and a installation cover 12. The acceleration channel 2, coil, trigger 3, control circuit module, power supply 4, etc. in the housing 1 are assembled by the installation panel 11. Then, the installation cover 12 is arranged outside the assembled parts and engaged with the installation panel 11, thereby realizing the overall assembly of the electromagnetic acceleration block.

[0025] The principle of the present invention is that the power supply 4 powers on the coil and the trigger 3 respectively through the boost unit to provide the necessary voltage for the coil and the trigger 3. When the trigger 3 senses that the magnetic object is about to arrive, the coil outside the acceleration channel 2 is turned on to generate a magnetic field. The magnetic object is accelerated by the magnetic field to pass through the acceleration channel 2, thereby realizing electromagnetic acceleration. At the same time, the protection unit detects the possibility of the magnetic object being stuck in the acceleration channel 2, and triggers the protection mechanism for processing when the sticking actually occurs.

[0026] In the specific implementation process of the present invention, the control circuit module is arranged in the form of a control circuit board matching circuit. The control circuit board includes a functional circuit board 5 arranged in a shell 1 at the outlet of the acceleration channel 2 and a boost circuit board 6 arranged in the shell 1 at the entrance of the acceleration channel 2. The functional circuit board 5 and the boost circuit board 6 are arranged in coordination. The functional circuit board 5 is arranged in the shell 1 at the outlet of the acceleration channel 2, so that it is convenient to set a charging circuit that matches the charging port 7 and an indicator light that matches the indicator light port 8. The function of the indicator light includes but is not limited to displaying the current charging status, etc. A power supply 4 is arranged between the functional circuit board 5 and the boost circuit board 6. The power supply 4 is generally a rechargeable and dischargeable battery, which can be used as an auxiliary support and is used to separate the functional circuit board 5 and the boost circuit board 6. Furthermore, other larger electronic components, such as large capacitors 17 and triggers 3, are arranged between the functional circuit board 5 and the boost circuit board 6, which is also convenient for configuring the switch position. In the actual assembly process, the mounting panel 11 corresponds to the exit side of the acceleration channel 2, and is arranged close to the functional circuit board 5. The boost circuit board 6 is the core of the control circuit module, and the corresponding boost circuit provides the required voltages for the coil and the trigger 3 respectively. The boost circuit board 6 is connected to the functional circuit board 5 through a wire. The boost circuit board 6 is also provided with a protection circuit. When a magnetic object is stuck in the acceleration channel 2, the protection circuit is triggered. The protection circuit cyclically opens or closes the magnetic field for testing, giving the magnetic object multiple instantaneous powers to make it move toward the exit of the acceleration channel, thereby effectively improving the service life of the electromagnetic acceleration block.

[0027] The trigger 3 includes a metal proximity switch arranged on the outer side of the middle part of the acceleration channel 2, and an installation slot 9 is provided outside the acceleration channel 2 to cooperate with the metal proximity switch; the coil includes a first coil 10 and a second coil 13 arranged at both ends of the metal proximity switch, and the first coil 10 and the second coil 13 are connected.

[0028] A touch switch 14 is provided in cooperation with the control circuit module, and a marking portion 15 is provided on the housing 1 in cooperation with the touch switch 14 .

[0029] A charging port 7 and an indicator light port 8 are provided on the end face of the shell 1 on the exit side of the acceleration channel 2; the control circuit module also includes a charging unit, which is arranged in conjunction with the power supply 4 and is used to charge the power supply 4 externally.

[0030] An anti-collision assembly 16 is provided at the entrance of the acceleration channel 2 .

[0031] In the present invention, different from the prior art, the trigger 3 adopts a metal proximity switch, which is arranged outside the acceleration channel 2 between the functional circuit board 5 and the boost circuit board 6, to identify the approaching magnetic passing object, and trigger the coil to start working after sensing. Obviously, the coil is a conductive coil, and in order to facilitate its winding, the acceleration channel 2 is cylindrical, to be precise, a hollow cylindrical shape; Since the sensing range of the metal proximity switch is large, the energized coil will generate a magnetic field in advance, making the acceleration effect of the energized coil on the magnetic material not ideal. Therefore, a mounting slot 9 is provided outside the acceleration channel 2 to clamp the metal proximity switch. After the metal proximity switch is assembled, the position is fixed, and the coil can be turned on more accurately, making the triggering time more accurate. When the mounting slot 9 is provided, the coil is divided into a first coil 10 and a second coil 13. Of course, the two are connected, and in order not to interfere with the operation of the metal proximity switch during the winding process, the connection between the first coil 10 and the second coil 13 is on the other side of the acceleration channel 2 opposite to the metal proximity switch.

[0032] In the present invention, considering that the winding accuracy of the coil is an important condition for the electromagnetic acceleration block, and considering the convenience of assembly, the coil is generally wound starting from the exit of the acceleration channel 2, so an anti-collision assembly 16 is provided at the entrance of the acceleration channel 2. On the one hand, this anti-collision assembly 16 can limit the end of the coil, and can also play a role in preventing collision and fooling at the end face where the entrance of the acceleration channel 2 is located, so as to avoid the looseness of the coil or problems with the overall function of the electromagnetic acceleration block.

[0033] In the present invention, considering the reasonable application of the power of the power source 4, a touch switch 14 is further provided to turn on the control circuit module. At the same time, in order to facilitate the overall setting of the control circuit module in actual application, the acceleration direction of the acceleration channel 2 is generally unchanged, that is, the direction of the current passing through the coil is always consistent. Therefore, an identification portion 15 is provided on the housing 1 corresponding to the touch switch 14, including but not limited to arrow identifications, so that the user can correct the wrong direction (if any) when starting the electromagnetic acceleration block, thereby ensuring the normal operation of the acceleration channel 2.

[0034] The boost unit comprises a first boost circuit for providing a coil working voltage and a second boost circuit for providing a trigger 3 working voltage; The first boost circuit includes a first DC-DC chip, a VCC pin of the first DC-DC chip is connected to a power source 4, a CII pin of the first DC-DC chip is connected to one end of a first regulating resistor and a second regulating resistor, the other end of the first regulating resistor is grounded, and the other end of the second regulating resistor is connected to one end of the coil; the voltage output to the coil is adjusted according to the resistance ratio of the first regulating resistor and the second regulating resistor; The second boost circuit includes a second DC-DC chip, an enable pin and a VCC pin of the second DC-DC chip are connected to a power supply 4, an FB pin of the second DC-DC chip is connected to one end of a third regulating resistor and a fourth regulating resistor, the other end of the third regulating resistor is connected to a trigger 3, and the other end of the fourth regulating resistor is grounded; the voltage output to the trigger 3 is adjusted according to the resistance ratio of the third regulating resistor and the fourth regulating resistor.

[0035] A control circuit is provided in conjunction with the coil; The input end of the control circuit of the coil is connected to the other end of the second regulating resistor, the output end of the control circuit is grounded, and a conditional conduction unit is provided between the input end and the output end, and the conditional conduction unit is provided in conjunction with the protection unit.

[0036] In the present invention, the coil and the metal proximity switch are respectively controlled to be boosted.

[0037] like Figure 8 As shown, it is a schematic diagram of the first boost circuit; the IL34063ADT chip is used as the first DC-DC chip, wherein a voltage of 3.7V is input to the voltage input terminal VCC pin, that is, it is connected to the power supply 4 (lithium battery), and C2 is used for grounding protection, R2 is connected to the IPK pin to achieve current limiting protection, and R1 is connected to the DRC pin and the SWC pin to achieve voltage stability; the first regulating resistor R6 is connected to the ground at the CII pin, and the second regulating resistor R7 is connected to the CII pin to achieve voltage V output to the coil. out1 Specifically, |Vout1|=1.25(1+R7 / R6); C7 and C8 here are large capacitors of 2200μf, which can provide charging function and charging protection function, and use capacitor discharge to reduce safety hazards, so that children can operate and play games safely and conveniently; the settings of other components are easy to understand for technicians in this field, and they can adjust and set them based on needs.

[0038] In the present invention, considering that the magnetic field generated by the coil can be used to accelerate the magnetic material when the power is turned on, but the magnetic material will be attracted to the center of the coil for a long time, so further, in order to ensure the safety of the coil, the coil is conditionally turned on; Fig.11 As shown, when the conditional conduction unit receives a high level from the output of the protection circuit, the NMOS is turned on, one end of the coil is connected to the voltage, and the other end is grounded, that is, the coil is energized and a magnetic field will be generated; the conditional conduction unit here implements the function with NMOS, and the settings of other components, including protection resistors, photodiodes, relays, etc. are easily understood by those skilled in the art, and those skilled in the art can adjust and set them based on needs.

[0039] like Fig. 9As shown, it is a schematic diagram of the second boost circuit; the FP6291LR-G1 chip is used as the second DC-DC chip, and the voltage input terminal VCC pin thereof also inputs a voltage of 3.7V, that is, it is connected to the power supply 4 (lithium battery), and C5 and C6 are connected in parallel to reduce impedance and perform grounding protection. Specifically, the circuit filters the power supply 4 with a capacitor, stores and releases energy with an inductor, and improves conversion efficiency; the third regulating resistor R5 is connected to the ground at the FB pin and is connected in parallel with the fourth regulating resistor R3 to adjust the voltage Vout2 output to the metal proximity switch. Specifically, |Vout2|=0.6(1+R3 / R5), and the internal reference voltage of the chip is 0.6V at this time; the settings of other components are easy to understand for those skilled in the art, and those skilled in the art can adjust and set them based on needs.

[0040] In the present invention, it should be noted that in the specific implementation process, there is no need to adjust the resistors to obtain voltage regulation. The first regulating resistor R6, the second regulating resistor R7, the third regulating resistor R5, and the fourth regulating resistor R3 here refer to the implementation method of adjusting the output by replacing the resistors, which is allowed, and thus this circuit structure can be applied to larger or smaller electromagnetic acceleration blocks.

[0041] The protection unit comprises a control chip, a VCC pin of the control chip is connected to the output end of the trigger, a DISCH pin of the control chip is connected to the capacitor via a protection resistor, and an output pin of the control chip is connected to the conditional conduction unit.

[0042] In the present invention, Fig.10 As shown, the protection circuit adopts NE555 chip, which is provided with voltage comparator and RS trigger inside. When the preset condition is met, the output pin of the control chip outputs high level through the voltage comparator and RS trigger, otherwise it outputs low level, the internal NPN is turned on, and the capacitor is discharged until the preset condition is met and the high level is output and the circuit is turned on; specifically, when the metal proximity switch senses the magnetic passing object, the output voltage is to VIN, C9 is charged through R10 and R12, the potential of the THRES pin will slowly increase and be the same as the voltage of the TRIG pin, when the voltage of these two pins is less than 1 / 3VIN, through the action of two voltage comparators and RS trigger, the output end OUT pin outputs high level, and then the conditional conduction circuit is turned on, and the coil works, when the voltage of the THRES pin and the TRIG pin is greater than 1 / 3VIN and less than 2 / 3VIN, the OUT pin keeps outputting high level, and when the voltage of the THRES pin and the TRIG pin is greater than 2 / 3VIN, the OUT pin outputs low level, and the internal NPN When it is turned on, C9 discharges through R12 until the voltage of THRES pin and TRIG pin is less than 1 / 3VIN, and the output is high level, which plays the role of protecting the circuit.

[0043] The present invention also relates to a control method of the electromagnetic acceleration block, the control method comprising the following steps: S1.1 Place the electromagnetic acceleration block in the electromagnetic acceleration module and start the electromagnetic acceleration block; S1.2 The control circuit module controls the trigger 3 to feedback information in real time. When the magnetic object reaches the entrance of the acceleration channel 2, the trigger 3 is triggered by the magnetic object, and the control circuit module controls the coil to generate a magnetic field, so that the magnetic object obtains the acceleration through the acceleration channel 2; S1.3 The control circuit module obtains the signal of the magnetic object passing through and determines whether it has passed through the acceleration channel 2 and left. If so, it returns to S1.2, otherwise it goes to S1.4; S1.4 cooperates with the protection unit to restart the magnetic field at the preset frequency and repeats S1.3.

[0044] In the present invention, the control method of the electromagnetic acceleration block basically follows the right-hand rule, that is, after startup, the trigger 3 (metal proximity switch) begins to detect the magnetic passing object. When detected, it means that it is in a state to be accelerated. After the coil is turned on, a magnetic field is generated, and then the magnetic passing object is magnetically attracted and obtains acceleration; during the process, the control circuit board continuously uses the protection circuit to identify the position signal of the magnetic passing object. After the magnetic passing object passes the acceleration channel 2 normally, the next round of preparation is carried out. If it is stuck in the acceleration channel 2, the power is turned on and off, and then the magnetic passing object is repeatedly given instantaneous acceleration in the form of restarting the magnetic field, so that it moves forward as quickly as possible and leaves the acceleration channel 2, thereby protecting the electromagnetic acceleration block from being damaged.

[0045] The present invention also relates to a method for preparing the electromagnetic acceleration block, which comprises the following steps: S2.1 preparing a housing 1 and an accelerating channel 2 fitted therein; S2.2 Processing the acceleration channel 2 to set a mounting slot 9 for positioning the trigger 3; S2.3 Starting from the outlet end of the acceleration channel 2, the coil is wound outside the acceleration channel 2. The coil near the outlet of the acceleration channel 2 is parallel to the plane where the outlet of the acceleration channel 2 is located. When the coil is wound to the installation slot 9, it is wound obliquely upward along the arc of the installation slot 9 toward the inlet end of the acceleration channel 2. Then, the coil is wound toward the inlet of the acceleration channel 2 with one side of the coil higher and the other side lower, until the coil is wound to the inlet of the acceleration channel 2 to prevent the assembly 16 from being clamped; S2.4 Install the trigger 3 in the installation slot 9, install the control circuit module outside the coil, and configure the control circuit module to connect with the coil and the trigger 3; S2.5 The control circuit module, coil and trigger 3 that have been connected are placed in the housing 1, and the housing 1 is closed to complete the installation.

[0046] In the present invention, the housing 1 is generally processed into the form of a mounting panel 11 and a mounting cover 12. After a metal proximity switch is arranged outside the acceleration channel 2 configured with the mounting slot 9, it is placed at the functional circuit board 5 for connection, and the coil is wound; Winding the coil is the most important step here. The winding structure of the first coil 10 and the second coil 13 in the attached figure is a schematic diagram to express that they are in this position; specifically, the winding starts from the bottom first. In order to make the magnetic field generated by the energized coil larger, each copper wire is closely tangent in turn, and the coil is parallel to the functional circuit board 5 at the bottom. When it is wound to the mounting slot 9 of the metal proximity switch in turn, a section of the coil (the second coil 13) is completed, and then the copper wire is wound to the top of the mounting slot 9 along the curvature of the mounting slot 9. It should be noted that at this time, the coil is no longer parallel to the functional circuit board 5 at the bottom, but is wound obliquely upward along the curvature of the mounting slot 9. The coil One side is separated by the metal proximity switch, and the closer the other side is to the lower coil, the better the acceleration effect on the magnetic ball after power is turned on; continue to wind upward along the arc surface, one side of the coil is high and the other side is low. To be precise, the side of the metal proximity switch is high and the other side is low. In order to ensure the magnetic field after power is turned on, the coil should be kept tight at all times during the process. When it is wound to the anti-collision assembly 16, the end of the coil is clamped with it to ensure that one side of the coil is close to the lower part of the coil and the other side is separated by the metal proximity switch to complete the winding of the first coil 10; after winding one layer, the coil can be wound back and forth multiple times according to the strength of the magnetic field. In theory, the more layers, the stronger the magnetic field.

[0047] In the present invention, after the coil is wound, other electronic components are normally configured and electrically connected, and finally the mounting cover 12 is placed on the mounting panel 11 and fixed.

[0048] The present invention relates to the application of an electromagnetic acceleration block, specifically, it can be applied to an electromagnetic acceleration module in a track building block. A magnetic passing object is provided in conjunction with the electromagnetic acceleration module, and the electromagnetic acceleration module is used to electromagnetically accelerate the magnetic passing object; when the control circuit module works, the magnetic passing object moves toward a metal proximity switch and triggers the coil to be energized to generate a magnetic field, and the magnetic passing object enters an acceleration channel 2 and leaves after being accelerated.

[0049] In the present invention, the magnetic passing object is any object with a metal conductor, including but not limited to a metal ball, a rail car equipped with a metal block, etc. After being accelerated by the acceleration channel 2 with fast electromagnetic acceleration, it obtains a greater acceleration and can go to a farther distance, thereby realizing the expanded application of track-type building block toys; generally speaking, the connection ends of the input channel and the output channel with the acceleration channel 2 include a straight path of a certain length to ensure the electromagnetic acceleration effect of the magnetic passing object.

[0050] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0051] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An electromagnetic acceleration block, arranged in conjunction with a magnetic passing object, the electromagnetic acceleration block comprising a housing, characterized in that: An acceleration channel is provided through the front and rear ends of the shell, a coil is wound around the acceleration channel, a trigger is provided in cooperation with the coil, and a control circuit module is provided in the shell in cooperation with the coil and the trigger, and the control circuit module includes: A power supply, used to provide basic power supply; A boost unit, in conjunction with the power supply arrangement, for providing an adjustable operating voltage for the coil and the trigger; A protection unit is used to detect the working state of the acceleration channel and trigger the protection mechanism.

2. The electromagnetic acceleration block according to claim 1, characterized in that: The trigger includes a metal proximity switch arranged outside the middle part of the acceleration channel, and a mounting slot is arranged outside the acceleration channel for the metal proximity switch; the coil includes a first coil and a second coil arranged at both ends of the metal proximity switch, and the first coil and the second coil are connected.

3. The electromagnetic acceleration block according to claim 1, characterized in that: The boost unit comprises a first boost circuit for providing a coil operating voltage and a second boost circuit for providing a trigger operating voltage; The first boost circuit comprises a first DC-DC chip, a VCC pin of the first DC-DC chip is connected to a power supply, a CII pin of the first DC-DC chip is connected to one end of a first regulating resistor and a second regulating resistor, the other end of the first regulating resistor is grounded, and the other end of the second regulating resistor is connected to one end of the coil; the voltage output to the coil is adjusted according to the resistance ratio of the first regulating resistor and the second regulating resistor; The second boost circuit includes a second DC-DC chip, an enable pin and a VCC pin of the second DC-DC chip are connected to a power supply, an FB pin of the second DC-DC chip is connected to one end of a third regulating resistor and a fourth regulating resistor, the other end of the third regulating resistor is connected to a trigger, and the other end of the fourth regulating resistor is grounded; The voltage output to the trigger is adjusted according to the resistance ratio of the third adjustment resistor and the fourth adjustment resistor.

4. The electromagnetic acceleration block according to claim 3, characterized in that: A control circuit is provided in conjunction with the coil; The input end of the control circuit of the coil is connected to the other end of the second regulating resistor, the output end of the control circuit is grounded, and a conditional conduction unit is provided between the input end and the output end, and the conditional conduction unit is provided in conjunction with the protection unit.

5. The electromagnetic acceleration block according to claim 4, characterized in that: The protection unit comprises a control chip, a VCC pin of the control chip is connected to the output end of the trigger, a DISCH pin of the control chip is connected to the capacitor via a protection resistor, and an output pin of the control chip is connected to the conditional conduction unit.

6. The electromagnetic acceleration block according to claim 1, characterized in that: A touch switch is provided in cooperation with the control circuit module, and a marking part is provided on the housing in cooperation with the touch switch.

7. The electromagnetic acceleration block according to claim 1, characterized in that: A charging port and an indicator light port are provided on the end face of the shell on the exit side of the acceleration channel; the control circuit module also includes a charging unit, which is used to charge the power supply externally in conjunction with the power supply.

8. The electromagnetic acceleration block according to claim 1, characterized in that: An anti-collision assembly is provided at the inlet of the acceleration channel.

9. A control method for an electromagnetic acceleration block according to any one of claims 1 to 8, characterized in that: The control method comprises the following steps: S1.1 Place the electromagnetic acceleration block in the electromagnetic acceleration module and start the electromagnetic acceleration block; S1.2 The control circuit module controls the trigger to feedback information in real time. When the magnetic object reaches the entrance of the acceleration channel, the trigger is triggered by the magnetic object, and the control circuit module controls the coil to generate a magnetic field, so that the magnetic object obtains acceleration through the acceleration channel; S1.3 The control circuit module obtains the signal of the magnetic object passing through and determines whether it has passed through the acceleration channel and left. If so, it returns to S1.2, otherwise it proceeds to S1.4; S1.4 cooperates with the protection unit to restart the magnetic field at the preset frequency and repeats S1.

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10. A method for preparing an electromagnetic acceleration block according to any one of claims 1 to 8, characterized in that: The preparation method comprises the following steps: S2.1 Prepare a housing and an accelerating channel therein; S2.2 processing the acceleration channel and setting a mounting slot for positioning the trigger; S2.3 Start winding the coil outside the accelerating channel from the exit end of the accelerating channel. The coil near the exit of the accelerating channel is parallel to the plane where the exit of the accelerating channel is located. When winding to the installation slot, the coil is wound obliquely upward along the arc of the installation slot toward the entrance end of the accelerating channel. Then continue to wind toward the entrance of the accelerating channel with one side of the coil higher and the other side lower, until the coil is wound to the entrance of the accelerating channel to prevent collision with the assembly body; S2.4 Install the trigger in the installation slot, install the control circuit module outside the coil, and configure the control circuit module to connect with the coil and the trigger; S2.5 Place the connected control circuit module, coil and trigger in the housing, close the housing and complete the installation.

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