CN211536441U - Dumping type pitching machine - Google Patents
Dumping type pitching machine Download PDFInfo
- Publication number
- CN211536441U CN211536441U CN201922196085.6U CN201922196085U CN211536441U CN 211536441 U CN211536441 U CN 211536441U CN 201922196085 U CN201922196085 U CN 201922196085U CN 211536441 U CN211536441 U CN 211536441U
- Authority
- CN
- China
- Prior art keywords
- signal
- storage bin
- ball
- small
- bin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model relates to a dumping ball throwing machine, which belongs to the technical field of amusement facilities and is used for solving the problem of interference between the falling process of a small ball and the buckling process of a bin cover, and comprises a storage bin with an opening at the bottom for storing the small ball, a ball inlet pipe with one end communicated with one side of the storage bin and the other end opened for the small ball to enter, a fan for providing power from the opened end to one end communicated with the storage bin for the small ball in the ball inlet pipe, and a bin cover for sealing the opening at the bottom of the storage bin; the automatic ball pitching machine is characterized by further comprising a stroke triggering module and a time delay module, the stroke triggering module outputs a stroke signal after the bin cover is opened to a certain degree, the time delay module receives the stroke signal and delays for a period of time to control the bin cover to be closed, so that sufficient time is reserved for the falling of the small balls in the storage bin, the falling process of the small balls and the closing process of the bin cover are prevented from interfering, and the normal operation of the ball pitching machine is prevented from being influenced.
Description
Technical Field
The utility model relates to an amusement facility especially relates to a dumping formula pitching machine.
Background
Pitching machines are a common recreation facility.
Referring to fig. 1, 2 and 3, the prior art discloses a ball throwing machine, which comprises a storage bin 1 with an open bottom, a ball inlet pipe 2 with one end communicated with one side of the storage bin 1 and the other end open for small balls to enter, a fan 3 for providing airflow power from the open end to the storage bin 1 for the ball inlet pipe 2, a bin cover hinged to the open end of the storage bin 1 and used for buckling the open bottom of the storage bin 1, wherein the bin opening is round, the bin cover comprises two semicircles arranged side by side, the edge of the bin cover is hinged to two opposite sides of the open edge of the bottom of the storage bin 1, a transmission rod is hinged on the semicircular bin cover, an electric push rod 4 with a downward telescopic rod is erected in the storage bin 1, one ends of the two transmission rods are vertically and rotatably connected with the bin cover, the other ends of the two transmission rods are vertically and rotatably connected with the end part of the telescopic rod of the electric push rod, the transmission rod jacks up the two bin covers to enable the small balls in the storage bin 1 to fall out, so that the small balls in the storage bin 1 can be dumped and reused.
The action of the electric push rod 4 of the pitching machine is controlled by a travel switch, namely after the telescopic rod of the electric push rod 4 extends downwards to a specified travel, the travel switch is triggered to be closed so as to retract the electric push rod 4, so that the automatic closing of the bin cover, namely the automatic closing of the storage bin 1, is completed.
Because the action of electric putter 4 is by travel switch control, the stretching out and the withdrawal of electric putter 4 are continuous, and electric putter 4 can automatic withdrawal when stretching out to appointed length promptly, but the tiny ball in the storage compartment 1 probably has not dropped storage compartment 1 completely this moment, if electric putter 4 automatic withdrawal, the phenomenon of tiny ball card in the gap between storehouse lid and storage compartment 1 is uncovered can appear, and the storehouse lid of pitching machine can't normally seal storage compartment 1, influences pitching machine's normal operating.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the not enough of prior art existence, the utility model aims at providing a formula of empting pitching machine, this formula of empting pitching machine bobble card when can avoiding the closing of cang gai in cang gai, influence pitching machine normal operating's possibility.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a dumping type pitching machine comprises a storage bin with an opening at the bottom for storing small balls, a ball inlet pipe with one end communicated with one side of the storage bin and the other end provided with an opening for the small balls to enter, a fan for providing power for the small balls in the ball inlet pipe from one end of the opening to one end communicated with the storage bin, and a bin cover for closing the opening at the bottom of the storage bin; the opening of the storage bin is round, the bin cover comprises two semicircular fans matched with the storage bin opening in shape, the arc midpoints of the two bin covers are respectively vertically and rotatably connected to two sides opposite to the edge of the storage bin opening, an electric push rod vertically downward through an expansion rod is fixedly arranged in the storage bin, each bin cover is connected with a transmission rod, one end of each transmission rod is vertically and rotatably connected with the corresponding bin cover, the other end of each transmission rod is vertically and rotatably connected with the end part of the expansion rod of the electric push rod, when the expansion rod of the electric push rod is contracted, the bin cover is buckled with the storage bin opening, and when the expansion rod of the electric push rod extends out, the bin cover is opened to enable the small balls in the storage bin to fall out; the dumping type pitching machine further comprises:
the small ball number detection module is arranged on the ball inlet pipe and used for detecting the number of small balls entering the storage bin through the ball inlet pipe so as to output a number detection signal responding to the number of the small balls in the storage bin;
the comparison control module is coupled with the small ball number detection module and used for receiving the number detection signal so as to respond that the number of the small balls in the storage bin is equal to the preset number of the small balls and output a trigger signal; the electric push rod is coupled with the comparison control module to receive the trigger signal so as to respond to the trigger signal to extend out of the telescopic rod;
the stroke triggering module is used for acquiring the extending length of the telescopic rod of the electric push rod so as to respond that the telescopic rod of the electric push rod extends to a specified length and output a stroke signal;
the time delay module is coupled with the stroke trigger module and used for receiving the stroke signal so as to output a contraction signal after a period of time after receiving the stroke signal; the electric push rod is coupled with the time delay module to receive the contraction signal so as to respond to the contraction signal to retract the telescopic rod.
By adopting the technical scheme, after the small ball number detection module detects that the storage bin is filled with small balls, the comparison control module drives the electric push rod to act so as to enable the telescopic rod of the electric push rod to extend out, the stroke trigger module outputs a stroke signal after the telescopic rod of the electric push rod extends out to a specified length, and the delay module receives the delay signal for a period of time and then outputs a contraction signal to enable the telescopic rod of the electric push rod to contract; because electric putter's telescopic link just retracts after can delaying a period of time after stretching out, electric putter's telescopic link just can contract and make the cang gai closed after the pellet all falls out the storage compartment promptly to avoided the pellet to fall out the storage compartment completely and closed emergence interference in storehouse, avoided influencing pitching machine normal operating.
Further, the pellet number detection module includes:
the small ball detection unit is arranged at a node where the small ball inlet pipe is communicated with the storage bin and used for detecting whether small balls enter the storage bin or not so as to respond to the fact that the small balls enter the storage bin and output a small ball detection signal;
and the counting unit is coupled with the small ball detection unit, receives the small ball detection signals and outputs the number detection signals in response to the number of the received small ball detection signals.
Further, the small ball detection unit comprises an infrared transmitter and an infrared receiver which are arranged on two opposite sides in the ball inlet pipe, and the infrared receiver responds to the situation from the situation that the infrared light is not received to the situation that the infrared light is received again to output the small ball detection signal.
Furthermore, the counting unit is set as a counter, a counting end of the counter is coupled to the small ball detection unit to receive the small ball detection signal, and a reset end of the counter is coupled to the comparison control module to receive the trigger signal.
Further, the comparison unit is coupled with the small ball number detection module and used for receiving the number detection signal so as to respond to the situation that the number of the small balls in the storage bin reaches the preset number of the small balls and outputting a comparison signal;
and the switch isolation unit is coupled with the comparison unit and receives the comparison signal to respond to the comparison signal to output the trigger signal.
Further, the number reference unit is used for outputting a number preset signal responding to the number of the preset small balls minus one;
and the comparator is coupled with the number detection module at the non-inverting input end to receive the number detection signal, and coupled with the number reference unit at the inverting input end to receive the number preset signal so as to respond that the number detection signal is greater than the number preset signal and output the comparison signal.
Furthermore, the number reference unit comprises a divider resistor and a potentiometer connected in series to the power supply, and a node where the divider resistor and the potentiometer are coupled outputs the number preset signal.
Further, the switch isolation unit comprises a switch tube and a relay which are connected in series with the power supply, the trigger end of the switch tube is coupled with the comparison unit to receive the comparison signal so as to be switched on in response to the comparison signal, the relay comprises a normally closed contact and a normally open contact, and the trigger signal is represented by the disconnection of the normally closed contact and the closing of the normally open contact of the relay.
Further, the stroke trigger module is including concatenating travel switch and the travel relay in the power, travel switch is used for acquireing the length that electric putter telescopic link stretches out and is closed when stretching out to appointed length at electric putter's telescopic link, travel relay includes a normally open contact, the stroke signal performance does travel relay normally open contact's closure.
Furthermore, the time delay module is set to be connected with a normally open contact of the travel relay in series with a time relay of a power supply, the time relay comprises a normally closed contact, and the contraction signal represents the disconnection of the normally closed contact of the time relay.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the bin cover is closed after being opened for a period of time, so that the small balls can fall out of the storage bin completely, and the problem that the normal operation of the pitching machine is influenced by the mutual interference of the bin cover closing process and the small ball falling process is avoided;
2. and a time delay relay is adopted for time delay, so that the method is simple and effective.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention and the overall structure of the background art;
FIG. 2 is a schematic view of the opening structure of the lid of the present invention and the related art;
FIG. 3 is a schematic view of a connection structure of a blower and a ball inlet pipe in order to embody the present invention and the background art;
FIG. 4 is a schematic diagram showing the matching structure of the small ball number detecting module, the comparison control module and the electric push rod;
fig. 5 is a schematic view of a matching structure of the stroke trigger module, the delay module and the electric push rod.
In the figure, 1, a storage bin; 2. a ball inlet pipe; 3. a fan; 4. an electric push rod; 5. a small ball number detection module; 51. a pellet detection unit; 511. an infrared emitter; 512. an infrared receiver; 6. a comparison control module; 61. a comparison unit; 611. a number reference unit; 62. a switch isolation unit; 7. a first audio playing device; 8. a second audio playing device; 9. a D/A converter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 2 and fig. 3, for the utility model discloses a topple over type pitching machine, including the uncovered storage chamber 1 that is used for depositing the bobble in bottom, the uncovered income bobble pipe 2 that supplies the bobble to get into of 1 one side other end of one section intercommunication storage chamber and for going into the bobble pipe 2 interior bobble provide by uncovered one end to the fan 3 of the power of 1 one end of intercommunication storage chamber.
The storage bin 1 is integrally in an inverted flying saucer shape, a round opening is formed in the bottom of the storage bin 1, and an electric push rod 4 with a telescopic rod vertically downward is fixedly arranged in the storage bin 1. The bottom of the storage bin 1 is also provided with a bin cover used for sealing the opening of the bottom of the storage bin 1, the bin cover comprises two semi-circles matched with the opening shape of the storage bin 1, and the two bin covers are spliced to form a circular shape covering the opening of the storage bin 1. The arc midpoints of the two bin covers are respectively vertically and rotatably connected to two opposite sides of the open edge of the storage bin 1, and the two bin covers can be opened downwards. Opening of storehouse lid is realized through electric putter 4, specifically, all is provided with between each storehouse lid and the electric putter 4 with the transfer line, transfer line one end is connected with the vertical rotation of storehouse lid inner wall, the other end is connected with the vertical rotation of tip of electric putter 4 telescopic link to the realization is rotatory through electric putter 4's flexible drive storehouse lid.
In the embodiment, when the bin cover is buckled at the opening of the storage bin 1, the telescopic rod of the electric push rod 4 is contracted, and the included angle between the two transmission rods is sixty degrees with the opening downward; when the telescopic rod of the electric push rod 4 extends out, the two transmission rods move downwards under the action of the electric push rod 4, and the angle between the two electric push rods 4 is increased, so that the two bin covers are opened downwards.
Further, two bin covers all set up by the undercut, and two bin covers make up the open hemisphere shell shape in top, and such shape is not only that the pitching machine appearance is more pleasing to the eye, can also increase storage compartment 1's volume to make storage compartment 1 can deposit more bobbles.
Furthermore, the two bin covers are made of transparent materials, the transparent materials enable the small balls and the storage bin 1 to be visible, the visual effect of the process of ball feeding and dumping is better, and meanwhile, the pitching machine is more attractive.
The storage compartment 1 is supported on the ceiling of the room, i.e. the storage compartment 1 is located high. Go into bulb 2 and set up to the hyaline tube, in this embodiment, go into bulb 2 and be provided with two, two go into bulb 2 and all have one end and 1 lateral wall intercommunication of storage compartment to be connected and two go into the position that bulb 2 and storage compartment 1 are connected and be located the relative both sides of storage compartment 1. Every goes into the equal vertical downwardly extending of bulb 2 to ground, then two go into bulb 2 again all along the planar direction in two vertical partial axes of entering bulb 2 of a perpendicular to extend to certain length to same direction, connect certain length vertically upwards again. Every goes into bulb 2 and is all linked together by the level to vertical node and be connected with a fan 3, and one and the coaxial communicating pipe of ball 2 are connected in the air outlet intercommunication of fan 3 to the realization provides the power by uncovered one end to storage compartment 1 for going into bulb 2 through fan 3.
Further, in order to make the pitching machine more beautiful and safe, the end part of the opening of each ball inlet pipe 2 and the corresponding fan 3 are arranged on a one-level step type platform body, and the opening of each ball inlet pipe 2 is positioned on the horizontal step platform surface of one-level step.
Further, every income bulb 2 can be provided with a plurality of uncovered, goes into the uncovered one end of bulb 2 promptly and is provided with a plurality of branch pipes to the realization has a plurality of uncovered, and the uncovered of going into bulb 2 all sets up on the horizontal ladder mesa of one-level ladder.
Referring to fig. 4 and 5, the pitching machine further comprises a small ball number detection module 5 and a comparison control module 6, the small ball number detection module 5 detects the number of small balls entering the storage bin 1, and when the number of small balls in the storage bin 1 reaches a certain number, the comparison control module 6 enables the telescopic rod of the electric push rod 4 to extend out, so that the bin cover is opened, and the small balls in the storage bin 1 are ejected.
The small ball detection unit 51 comprises an infrared emitter 511 and an infrared receiver 512 which are arranged at two opposite sides in the end part of the storage bin 1 communicated with the ball inlet pipe 2, when a small ball enters the storage bin 1 through the ball inlet pipe 2, the small ball can block a light path between the infrared emitter 511 and the infrared receiver 512, the infrared receiver 512 can pass through a process from receiving no infrared light to receiving infrared light again, if the infrared receiver 512 receives infrared light, a high-level signal is output, and when the infrared receiver receives an infrared light output low-level signal, the small ball enters the storage bin 1 and is represented as the infrared receiver 512 outputting a rising edge signal, and the rising edge signal is a small ball detection signal.
The counting unit is configured as a counter coupled to the ball detection unit 51 for receiving the ball detection signal and counting in response to the ball detection signal to output a number detection signal in real time. It can be understood that, since there are two ball inlet tubes 2, there are two ball detection units 51, and the counting end of the counter is coupled to the two ball detection units 51 to receive the ball detection signals and respond to the ball detection signals, and the counting result is the sum of the numbers of the ball detection signals output by the two ball detection units 51, that is, the number detection signal represents the sum of the ball detection signals output by the two ball detection units 51.
The comparison control module 6 includes a comparison unit 61 and a switch isolation unit 62.
The comparing unit 61 includes a number reference unit 611 and a comparator N1. The number reference unit 611 comprises a fixed resistor R1 and a potentiometer R2 which are connected in series with a power supply, the fixed resistor R1 is arranged close to the positive pole of the power supply, a node where the fixed resistor R1 and the potentiometer R2 are coupled is used for outputting a number preset signal in response to the number of preset pellets minus one, and the number preset signal is adjusted by an adjusting potentiometer R2. The non-inverting input terminal of the comparator N1 is coupled to the small ball detecting unit 51 for receiving the small ball detecting signal, the inverting input terminal is coupled to the number reference unit 611 for receiving the number preset signal, and when the number of the small balls in the storage compartment 1 reaches the preset number of the small balls, the small ball detecting signal is greater than the number preset signal so that the comparator outputs a high-level comparison signal.
The switch isolation unit 62 comprises a switch tube connected in series with a power supply and a relay KM 1. In this embodiment, the switch is configured as an NPN-type transistor Q1, a base of the transistor Q1 is coupled to the comparing unit 61 for receiving the comparison signal, an emitter is coupled to the negative electrode of the power supply, a collector is coupled to one end of the coil of the relay KM1, and the other end of the coil of the relay KM1 is coupled to the positive electrode of the power supply. The relay KM1 comprises a normally open contact KM1-1 and a normally closed contact KM1-2, when the switch isolation unit 62 receives the comparison signal, the normally open contact KM1-1 of the relay KM1 is closed and the normally closed contact KM1-2 is opened, namely the switch isolation unit 62 outputs the trigger signal.
A normally open contact KM1-1 of the relay KM1 and a trigger end of the electric push rod 4 are connected in series with a power supply, and a normally closed contact KM1-2 of the relay KM1 and a reset end of the counter are connected in series with the power supply; when the electric push rod 4 receives a high level signal, the telescopic rod of the electric push rod 4 extends out, and when the reset end of the counter is connected to a low level, the counter is reset.
The pitching machine further comprises a stroke triggering module and a time delay module.
The stroke trigger module is configured to obtain the length of the extension rod of the electric push rod 4, so as to output a stroke signal in response to the extension rod of the electric push rod 4 extending to a specified length, and in this embodiment, the stroke trigger module includes a stroke switch and a stroke relay KM2, and the stroke switch is configured to obtain the length of the extension rod of the electric push rod 4 extending and close in response to the extension rod of the electric push rod 4 extending to the specified length. Travel relay KM2 included a normally open contact and the travel signal represented the closure of the normally open contact of travel relay KM 2. When the telescopic rod of the electric push rod 4 extends to a specified length, the travel switch is closed, the coil of the travel relay KM2 is electrified, the normally open contact of the travel relay KM2 is closed, and the travel trigger module outputs a travel signal.
Time delay module sets up to concatenate the time relay KT in the power with travel relay KM 2's normally open contact, time relay KT includes one and relay KM 1's normally open contact KM1-1 and electric putter 4 concatenate in the power, when travel relay KM 2's normally open contact was closed, when time delay module received travel signal promptly, time relay KT circular telegram, time delay appointed time back, time relay KT's normally closed contact disconnection, delay module output shrink signal promptly, so that electric putter 4's trigger end and power off connection, thereby make electric putter 4's telescopic link withdraw, accomplish the closure of cang gai.
Of course, the delay module may also be configured as a conventional delay circuit such as a 555 timer.
Further, the pitching machine further comprises a first audio playing device 7 coupled to the small ball detecting unit 51 for receiving the small ball detecting signal, and a second audio playing device 8 coupled to the comparing unit 61 for receiving the comparing signal. The first audio playing device 7 stores a first audio signal, and when the trigger end of the first audio playing device 7 receives the rising edge signal, the first audio playing device 7 outputs the first audio signal, which is set to "biu ~". The second audio playing device 8 stores a second audio signal therein, and when the trigger terminal of the second audio playing device 8 receives the high level signal, the second audio playing device 8 outputs the second audio signal, in this embodiment, the second audio signal is set to "swoosh". Namely, when the small balls enter the storage bin 1 from the ball inlet pipe 2, the ball throwing machine can make biu-degree sound, and when the small balls in the storage bin 1 are poured out, the ball throwing machine can make swollen and cheer sound, so that the fun of the children is further increased.
The sound of the pitching machine and the process of the pitching machine for dumping the small ball can enable children to obtain more fun.
It is to be understood that since the number detection signal outputted from the counter is generally a digital signal, and the comparator N1 needs to use an analog signal for comparison, a D/a converter 9 for converting the digital signal into an analog signal is provided between the counter and the comparator N1.
In the specific working process: when a child throws a small ball to the open end of the forehead of the ball inlet pipe 2, the small ball enters the storage bin 1 along the ball inlet pipe 2, and the path part of the small ball entering the storage bin 1 is visible, so that the visual effect is good, and the fun of the child is increased; when the number of the small balls in the storage bin 1 reaches the preset number of the small balls, the comparison control module 6 outputs a trigger signal to enable the telescopic rod of the electric push rod 4 to extend out, so that the bin cover is opened, and the small balls in the storage bin 1 fall out of the storage bin 1 due to gravity; after the telescopic link of electric putter 4 stretches out to appointed length, the stroke trigger module exports the stroke signal and time delay module output shrink signal behind a period to make electric putter 4's telescopic link shrink, realize promptly that the cang gai resumes the lock.
Because the bin cover can not be closed immediately after being opened, sufficient time is reserved for the small balls to fall out of the storage bin 1, so that the small balls in the storage bin 1 can completely fall out when the bin cover is closed, and the problem that the normal work of the ball shooting machine is influenced due to the interference of the falling process of the small balls and the closing process of the bin cover is avoided.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A dumping type pitching machine comprises a storage bin (1) with an opening at the bottom for storing small balls, a ball inlet pipe (2) with one end communicated with one side of the storage bin (1) and the other end open for the small balls to enter, a fan (3) for providing power for the small balls in the ball inlet pipe (2) from one end of the opening to one end of the storage bin (1), and a bin cover for closing the opening at the bottom of the storage bin (1); the opening of the storage bin (1) is round, the bin cover comprises two semicircular fans matched with the storage bin (1) in shape, the arc middle points of the two bin covers are respectively vertically and rotatably connected to two sides opposite to the opening edge of the storage bin (1), an electric push rod (4) vertically downward through a telescopic rod is fixedly arranged in the storage bin (1), each bin cover is connected with a transmission rod, one end of each transmission rod is vertically and rotatably connected with the corresponding bin cover, the other end of each transmission rod is vertically and rotatably connected with the end part of the telescopic rod of the electric push rod (4), when the telescopic rod of the electric push rod (4) is contracted, the bin cover is buckled with the opening of the storage bin (1), and when the telescopic rod of the electric push rod (4) stretches out, the bin cover is opened to enable small balls in the storage bin (1) to fall out; characterized in that, the dumping type pitching machine also comprises:
the small ball number detection module (5) is arranged on the ball inlet pipe (2) and is used for detecting the number of small balls entering the storage bin (1) through the ball inlet pipe (2) so as to output a number detection signal responding to the number of the small balls in the storage bin (1);
the comparison control module (6) is coupled with the small ball number detection module (5) and used for receiving the number detection signal so as to respond that the number of the small balls in the storage bin (1) is equal to the preset number of the small balls and output a trigger signal; the electric push rod (4) is coupled with the comparison control module (6) to receive the trigger signal so as to respond to the trigger signal to extend out of the telescopic rod;
the stroke triggering module is used for acquiring the extending length of the telescopic rod of the electric push rod (4) so as to respond that the telescopic rod of the electric push rod (4) extends to a specified length and output a stroke signal;
the time delay module is coupled with the stroke trigger module and used for receiving the stroke signal so as to output a contraction signal after a period of time after receiving the stroke signal; the electric push rod (4) is coupled with the time delay module to receive the contraction signal so as to retract the telescopic rod in response to the contraction signal.
2. The dump-type pitching machine according to claim 1, wherein said number of pellets detecting module (5) comprises:
the small ball detection unit (51) is arranged at a node where the ball inlet pipe (2) is communicated with the storage bin (1) and used for detecting whether small balls enter the storage bin (1) or not so as to respond to the fact that the small balls enter the storage bin (1) and output a small ball detection signal;
and the counting unit is coupled with the small ball detection unit (51) and used for receiving the small ball detection signals and outputting the number detection signals in response to the number of the received small ball detection signals.
3. The dump-type pitching machine according to claim 2, wherein said small ball detecting unit (51) comprises an infrared emitter (511) and an infrared receiver (512) disposed at opposite sides in the ball inlet pipe (2), said infrared receiver (512) outputting said small ball detecting signal in response to the re-reception of infrared light from the time when infrared light is not received.
4. The dump-type pitching machine according to claim 2, wherein the counting unit is configured as a counter, the counting end of the counter is coupled to the small ball detection unit (51) to receive the small ball detection signal, and the reset end of the counter is coupled to the comparison control module (6) to receive the trigger signal.
5. The dump pitching machine according to claim 1, wherein said comparison control module (6) comprises:
the comparison unit (61) is coupled with the small ball number detection module (5) and used for receiving the number detection signals so as to respond to the situation that the number of the small balls in the storage bin (1) reaches the preset small ball number and outputting comparison signals;
a switch isolation unit (62), coupled to the comparison unit (61), receiving the comparison signal to output the trigger signal in response to the comparison signal.
6. The dump pitching machine according to claim 5, wherein said comparison unit (61) comprises:
a number reference unit (611) for outputting a number preset signal in response to the number of the preset small balls minus one;
and the non-inverting input end of the comparator is coupled with the small ball number detection module (5) to receive the number detection signal, and the inverting input end of the comparator is coupled with the number reference unit (611) to receive the number preset signal so as to respond that the number detection signal is larger than the number preset signal and output the comparison signal.
7. The dump ball pitching machine according to claim 6, wherein: the number reference unit (611) comprises a divider resistor and a potentiometer which are connected in series with a power supply, and a node where the divider resistor and the potentiometer are coupled outputs the number preset signal.
8. The dump ball pitching machine according to claim 5, wherein: the switch isolation unit (62) comprises a switch tube and a relay which are connected in series with a power supply, the trigger end of the switch tube is coupled with the comparison unit (61) to receive the comparison signal so as to be switched on in response to the comparison signal, the relay comprises a normally closed contact and a normally open contact, and the trigger signal is represented by the opening of the normally closed contact and the closing of the normally open contact of the relay.
9. The dump ball pitching machine according to claim 1, wherein: travel trigger module is including concatenating travel switch and the travel relay in the power, travel switch is used for acquireing the length that electric putter (4) telescopic link stretches out with the telescopic link at electric putter (4) and stretches out to the closure when appointed length, travel relay includes a normally open contact, travel signal shows as travel relay normally open contact's closure.
10. The dump ball pitching machine according to claim 9, wherein: the time delay module is set to be connected with a normally open contact of the travel relay in series with a time relay of a power supply, the time relay comprises a normally closed contact, and the contraction signal represents the disconnection of the normally closed contact of the time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922196085.6U CN211536441U (en) | 2019-12-09 | 2019-12-09 | Dumping type pitching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922196085.6U CN211536441U (en) | 2019-12-09 | 2019-12-09 | Dumping type pitching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211536441U true CN211536441U (en) | 2020-09-22 |
Family
ID=72505127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922196085.6U Active CN211536441U (en) | 2019-12-09 | 2019-12-09 | Dumping type pitching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211536441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704868A (en) * | 2020-12-20 | 2021-04-27 | 武汉市但他林科技有限公司 | Billiards storage method and device |
-
2019
- 2019-12-09 CN CN201922196085.6U patent/CN211536441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112704868A (en) * | 2020-12-20 | 2021-04-27 | 武汉市但他林科技有限公司 | Billiards storage method and device |
| CN112704868B (en) * | 2020-12-20 | 2024-04-05 | 武汉市但他林科技有限公司 | Billiard storage method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211536441U (en) | Dumping type pitching machine | |
| CN103611279B (en) | A kind of table tennis automatic pitching machine | |
| CN203909928U (en) | Ice cream vending machine | |
| CN108553848A (en) | A kind of shuttlecock training automatic spherical pig receiving device | |
| CN109806565A (en) | A kind of intelligent tennis ball training device and system | |
| CN207692489U (en) | Mobile ecological green wall | |
| CN110754463A (en) | Agricultural is with driving birds device | |
| CN108094399A (en) | A kind of power equipment scarer and method based on biological identification technology | |
| CN109779298A (en) | A kind of shared body-building storehouse of silo roof automatic open-close | |
| CN211676242U (en) | Jet type ball throwing machine | |
| CN109645798A (en) | A kind of toy storage case | |
| CN112891887A (en) | Automatic table tennis serving device | |
| CN110973111B (en) | Bird driving device for scientific research test field | |
| CN207412751U (en) | A kind of toy simulated animal and laid eggs | |
| CN114200205B (en) | Single-phase cost control intelligent electric energy meter | |
| CN206905859U (en) | A kind of Chinese chestnut weight detector | |
| CN207240218U (en) | A kind of Multifunctional domestic robot | |
| CN110833684B (en) | Training volleyball court with volleyball storage and automatic volleyball serving functions | |
| CN208902326U (en) | A kind of wind induction device with solar recharging and striker sensor | |
| CN108553779A (en) | Vehicle-mounted air-assisted long-range dry powder extinguishing installation | |
| CN215822363U (en) | Children educational toy | |
| CN111937768A (en) | Remote visual pet pacifying device and method | |
| CN105540105A (en) | Outdoor smart rubbish can based on photovoltaic charging | |
| CN213375042U (en) | Novel children's basketball intelligence training is equipped | |
| CN208641737U (en) | One kind is novel to feed digestion toy dinosaur |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |