CN2692676Y - Infrared baseball velometer - Google Patents
Infrared baseball velometer Download PDFInfo
- Publication number
- CN2692676Y CN2692676Y CN 02265118 CN02265118U CN2692676Y CN 2692676 Y CN2692676 Y CN 2692676Y CN 02265118 CN02265118 CN 02265118 CN 02265118 U CN02265118 U CN 02265118U CN 2692676 Y CN2692676 Y CN 2692676Y
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- CN
- China
- Prior art keywords
- baseball
- light curtain
- reflection light
- knotmeter
- infrared
- 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.)
- Expired - Fee Related
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses an infrared baseball speedometer applied for persons who like to play a baseball to practice throwing balls, comprising a box, two infrared reflection type veiling transceivers, a microcomputer controller, a nixie display, a circumscribed nixie display socket, and function control keys; the utility model is characterized in that the upper part and the lower part of the face-plate of the box are respectively provided with an infrared reflection type veiling transceiver; the middle part of the face-plate of the box is provided with a nixie display and function control keys, and the inner part of the box is provided with electric control circuits comprising the microcomputer controller; one side of the box is provided with a nixie display circumscribed socket; therefore, the person who throws a ball can measure the ball throwing speed using the utility model; the speed of the ball thrown out can be viewed by the person who throws the ball; therefore, when the person throws the ball next time, the person can adjust the strength and pose correspondingly; the utility model has the advantages of easy use, novel structural design, scientific performance, high accuracy of speed measure, good reliability, and low cost.
Description
Technical field
The utility model relates to a kind of baseball speed and detects display device automatically, especially relates to a kind of infrared ray baseball knotmeter that is applicable to baseball fan high low game.
Background technology
The baseball knotmeter is the necessary means of cultivating, training the baseball bowler.What at present the baseball professional was adopted is the knotmeter that utilizes Doppler effect, though this knotmeter rate accuracy height, performance are good, costs an arm and a leg, and non-general baseball fan can accept.Next is that this knotmeter must be stood in after the home plate by the trainer, and with the baseball that knotmeter aiming bowler launches at a high speed, this has just required another person to help to test the speed, and this person must be well-trained, otherwise is difficult to aim at the baseball of high-speed motion.
Summary of the invention
The purpose of this utility model is will solve existing baseball knotmeter to cost an arm and a leg, and the shortcoming that must two people be used, and provide a kind of general baseball fan self training pitching that is applicable to, measuring accuracy height, good reliability, cheap, portable infrared ray baseball knotmeter.
The purpose of this utility model is achieved in that
A kind of infrared ray baseball knotmeter comprises: machine box, two infrared reflection light curtain transceivers, microprocessor controller, nixie display, external nixie display socket, function operating key; Be characterized in:
The upper and lower part of described machine box panel is provided with infrared reflection light curtain transceiver respectively; Machine box panel middle part is provided with nixie display and function operating key, is provided with the electric control circuit that comprises microprocessor controller in the machine box; Machine box one side is provided with the nixie display external socket.
In above-mentioned infrared ray baseball knotmeter, wherein, described two infrared reflection light curtain transceivers comprise several infraluminescence pipes and several photosensitive receiving tubes; With two infraluminescence pipes and a photosensitive receiving tube is one group, connects transversely arranged by group.
In above-mentioned infrared ray baseball knotmeter, wherein, described infrared reflection light curtain transceiver comprises several infraluminescence pipes and several photosensitive receiving tubes; Be spaced by an infraluminescence pipe and a photosensitive receiving tube.
In above-mentioned infrared ray baseball knotmeter, wherein, described electric control circuit comprises: infrared reflection light curtain receives transmitter, infrared reflection light curtain transceiver, microprocessor controller, display; Two input ends of described microprocessor controller are connected with two infrared reflection light curtain transceivers respectively, and the output terminal 33 of microprocessor controller is connected with nixie display 5.
In above-mentioned infrared ray baseball knotmeter, wherein, before described infrared ray baseball knotmeter was located at home plate, two infrared reflection light curtain transceivers were perpendicular to the axis of bowler position and home plate.
In above-mentioned infrared ray baseball knotmeter, wherein also comprise a nixie display, it is arranged on outside pitching district or the catching region.
The utility model infrared ray baseball knotmeter makes it to compare with prior art baseball knotmeter owing to adopt above technical scheme, has tangible advantage and effect:
1, the utility model need not others and adds owing to only need the bowler to finish, and the ball speed that the bowler launches also can be checked oneself, thereby when throwing next time, dynamics and posture is done corresponding the adjustment, and is easy to use.
2, the utility model is because two infrared reflection light curtain transceivers are the twice light curtain with certain distance, and light curtain wider range, the strike zone of close batter's one side is (above the home plate again, the above-knee underarm region of batter), so as long as the bowler launches is in the strike zone, speed when measuring baseball arrival batter surely with regard to one, rate accuracy height, good reliability.
3, the utility model is cheap, has only 1/tens of Doppler's side speed instrument.
4, the utility model structural design is flat light and handy, and adopts powered battery to be easy to carry, and is particularly suitable for the baseball fan and uses, and also is applicable to the professional baseball throwing ball sport person of training.
Description of drawings
By the description of a following embodiment to the utility model infrared ray baseball knotmeter, can further understand the purpose of this utility model, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the structural representation of the utility model infrared ray baseball knotmeter device;
Fig. 2 is the utility model infrared ray baseball knotmeter light curtain transceiver configuration synoptic diagram;
Fig. 3 is the utility model infrared ray baseball knotmeter electrical control block scheme;
Fig. 4 is the synoptic diagram that the utility model infrared ray baseball knotmeter is settled in the ball park;
Fig. 5 is the utility model infrared ray baseball speedometer principle schematic;
Fig. 6 is the program flow diagram of microprocessor controller in the utility model infrared ray baseball knotmeter.
Embodiment
See also Fig. 1, the utility model infrared ray baseball knotmeter comprises: machine box 4, two infrared reflection light curtain transceivers 1,2, microprocessor controller 3, nixie display 5, external nixie display socket 6, function operating key 7;
The upper and lower part of machine box 4 panels is provided with infrared reflection light curtain transceiver 1,2 respectively; Machine box panel middle part is provided with nixie display 5 and function operating key 7, is provided with the electric control circuit that comprises microprocessor controller 3 in the machine box 4; Machine box one side is provided with nixie display external socket 6.Nixie display 5 can be contained in the same box, also can a nixie display 5 ' be set outside pitching district or catching region again, makes bowler or trainer see its position easily.
See also Fig. 2, infrared reflection light curtain transceiver 1 and 2 structure are identical, and infrared reflection light curtain transceiver 1 and 2 includes several infraluminescence pipes 11 and some photosensitive receiving tubes 12; With 11 one photosensitive receiving tubes of two infraluminescence pipes 12 is one group, connects transversely arranged by group; Also can be spaced by an infraluminescence pipe 11 and a photosensitive receiving tube 12, ball speed correction precision is higher like this, but cost can be higher.
See also Fig. 3, this is the utility model infrared ray baseball knotmeter electrical control block scheme.The control circuit of infrared ray baseball knotmeter comprises, infrared ray baseball knotmeter, wherein, the electric control circuit of described infrared ray baseball knotmeter comprises: infrared reflection light curtain transceiver 1, infrared reflection light curtain transceiver 2, microprocessor controller 3, display 5; Two input ends 31,32 of microprocessor controller 3 are connected with infrared reflection light curtain transceiver 1, infrared reflection light curtain transceiver 2 respectively, and the output terminal 33 of microprocessor controller 3 is connected with nixie display 5.In the present embodiment, microprocessor controller 3 employing models are the microprocessor of " PIC16C72 ".
See also Fig. 4, this is the arrangement synoptic diagram of baseball knotmeter on the court, and before infrared ray baseball knotmeter was located at and is positioned at batter's home plate at one's side, the softball that two infrared reflection light curtain transceivers 1,2 are thrown perpendicular to the bowler was to the axis of home plate.External nixie display 5 ' is arranged on outside pitching district or the catching region, the position that bowler or pitching coach is easily seen.
Please in conjunction with Fig. 3 referring to Fig. 5 and shown in Figure 6, infrared reflection veiling reflection district intercept form measuring principle: the infraluminescence pipe in two infrared reflection light curtain transceivers 1,2 is accepted to send infrared light and form the twice infrared light curtain from the transmitting of microprocessor controller 3.When the first road light curtain was subjected to the obstruct of the baseball that the bowler launches earlier, reflected signal received by m photosensitive receiving tube A, promptly sent to microprocessor controller 3 and interrupted and pick up counting.Behind D, when entering twice light curtain, received by n photosensitive receiving tube B, promptly sends interruption to microprocessor controller 3 by reflected signal through two smooth interludes for baseball, and stop timing.Microprocessor controller 3 is according to two light curtain transceiver space D, and is initial to time t, the two photosensitive receiving tube m and the position of n and the spacing d of photosensitive receiving tube, then the baseball speed V={D that stop
2+ [(n-m) d]
2}
1/2/ t, microprocessor controller 3 are presented at the movement velocity of holding in both hands ball on the nixie display 5 through computing.
Please in conjunction with Fig. 3,4,5 referring to Fig. 6, before knotmeter places the home plate of batter below during training, make the axis of light curtain perpendicular to bowler and home plate, external nixie display places outside the batting district.Open the light curtain, when the bowler is good shot to baseball trend of purchasing batter, baseball is successively by the twice light curtain by the emission of light curtain transceiver, when crossing the first road light curtain, infrared light is obstructed and reflects, certain photoreceiver that is installed on the first road light curtain transceiver receives reflected signal, interrupts to microprocessor controller 3 applications, and sends a start signal; Equally, when baseball was crossed twice light curtain, certain photoreceiver on the twice light curtain sensor interrupted to microprocessor controller 3 applications, sends termination signal simultaneously.According to the mistiming of start signal and termination signal, the distance of two smooth curtain sensors and the photoreceiver position that application is interrupted, the computing through microprocessor can be presented at ball speed on the nixie display.By control function operating key 7, can also show and other statisticss such as the maximal value of preceding several balls after relatively, minimum value.
In sum, the utility model structural design novelty, science, rate accuracy height, good reliability, cheap, easy to use.
Claims (6)
1. an infrared ray baseball knotmeter comprises: machine box (4), two infrared reflection light curtain transceivers (1), (2), microprocessor controller (3), nixie display (5), external nixie display socket (6), function operating key (7); It is characterized in that:
The upper and lower part of described machine box (4) panel is provided with infrared reflection light curtain transceiver (1), (2) respectively; Machine box panel middle part is provided with nixie display (5) and function operating key (7), is provided with the electric control circuit that comprises microprocessor controller (3) in the machine box; Machine box (4) one sides are provided with nixie display external socket (6).
2. infrared ray baseball knotmeter according to claim 1 is characterized in that: described infrared reflection light curtain transceiver (1), (2) comprise several infraluminescence pipes (11) and several photosensitive receiving tubes (12); With two infraluminescence pipes (11) and a photosensitive receiving tube (12) is one group, connects transversely arranged by group.
3. infrared ray baseball knotmeter according to claim 2 is characterized in that: described infrared reflection light curtain transceiver comprises several infraluminescence pipes (11) and several photosensitive receiving tubes (12); Be spaced by an infraluminescence pipe (11) and a photosensitive receiving tube 12.
4. infrared ray baseball knotmeter according to claim 1, it is characterized in that: described electric control circuit comprises: infrared reflection light curtain receives transmitter (1), infrared reflection light curtain transceiver (2), microprocessor controller (3), display (5); Two input ends (31), (32) of described microprocessor controller (3) are connected with infrared reflection light curtain transceiver (1), infrared reflection light curtain transceiver (2) respectively, and the output terminal (33) of microprocessor controller (3) is connected with nixie display (5).
5. infrared ray baseball knotmeter according to claim 1 is characterized in that: before described infrared ray baseball knotmeter was located at home plate, two infrared reflection light curtain transceivers (1), (2) were perpendicular to the axis of bowler position and home plate.
6. infrared ray baseball knotmeter according to claim 1 is characterized in that: also comprise a nixie display (5 '), it is arranged on outside pitching district or the catching region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265118 CN2692676Y (en) | 2002-06-28 | 2002-06-28 | Infrared baseball velometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265118 CN2692676Y (en) | 2002-06-28 | 2002-06-28 | Infrared baseball velometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692676Y true CN2692676Y (en) | 2005-04-13 |
Family
ID=34754259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02265118 Expired - Fee Related CN2692676Y (en) | 2002-06-28 | 2002-06-28 | Infrared baseball velometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692676Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784471A (en) * | 2012-07-26 | 2012-11-21 | 宋雅伟 | Over-net ball speed tester for net separating competitive items |
| CN106767178A (en) * | 2016-12-13 | 2017-05-31 | 中国人民解放军海军工程大学 | A kind of automatic scoring round target system |
-
2002
- 2002-06-28 CN CN 02265118 patent/CN2692676Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784471A (en) * | 2012-07-26 | 2012-11-21 | 宋雅伟 | Over-net ball speed tester for net separating competitive items |
| CN106767178A (en) * | 2016-12-13 | 2017-05-31 | 中国人民解放军海军工程大学 | A kind of automatic scoring round target system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |