CN201088816Y - Football goal - Google Patents

Abstract

A football goal is provided, which comprises two stand columns and a top beam connected with the two stand columns, and is characterized in that at least a pick-up head, which only can pick-up the areas within a goal line, is arranged on the top beam and each stand column respectively; a computer center is connected with the pick-up head through a signal transmission line and can process the images taking by the pick-up head and send the instruction that whether or not the football is kicked into the goal.

Description

The football door

Technical field

The utility model relates to a kind of football door.

Background technology

Football developed over more than 100 year, the ball judge that enters often occurred and judged that ball does not advance or ball is not entered the judge judges the phenomenon of scoring.Sometimes ball seemingly advances non-ly to advance to cause dispute, and particularly in the goal area, the judge was difficult to judge when the many legs of people were assorted.Sometimes, in some international contests, happen occasionally because goalkeeper's the quick of eye and deft of hand ball that will just score door is deducted.Above-mentioned these situations all can cause the call mistake.

Because the penalty difficulty strengthens, the someone advises utilizing TV replay to help law enforcement, such as passing through slow motion playback etc.But, at present, allow TV replay help the maximum difficulty of law enforcement is exactly how to guarantee a continuity that goes up match.Just imagine such picture: occur foul on the arena, make penalty according to judgement when holding plate umpire.And this moment; does the fourth official on limit reach a conclusion by television image; the penalty of plate umpire is wrong; he conveys to plate umpire by earphone with information; this is after a period of time after the plate umpire penalty; the referee also will be interrupted match again the foul penalty to just now so? if only the inspection that TV is reset is carried out in goal; can not guarantee real fairness so on the one hand; because it has given up the inspection of other being blown the correctness of penalizing; more priorly be; after goal, no matter be field player or outside audience, will wait for that all a limit official checks the result who draws after the slow motion playback.This not only can cause interruption to match, also will significantly reduce the enjoyment of coming to matches, and also can impact the sportsman on the field.

The utility model content

The purpose of this utility model is to overcome above-mentioned shortcoming, that is, provide a kind of and can judge accurately rapidly whether football enters the goal that the goal also can convey to this information the referee in real time.

For this reason, the utility model provides a kind of football door, and it has with two columns and the back timber that connects two columns, it is characterized in that: on described back timber and each column at least one is installed respectively and can only photographs the camera of goal line with inner region; By the computer center that signal transmssion line links to each other with described camera, the instruction whether football enters the goal is handled and sent to the image that computer center photographs described camera.

According to the utility model, the referee can judge accurately rapidly whether football enters the goal, thus the situation of having avoided misjudgement or being difficult to adjudicate.

Preferably, at least one red light is housed on goal back timber or column.When sending the goal instruction according to existing regular the utility model computer center, the red light on goal back timber or the column flashes rapidly.Whether this ball of prompting judge is scored and is effectively judged by the judge really to enter on the one hand, provides the information of scoring more reliably for the judge like this.On the other hand, ball enters the back because red light does not stop the glittering atmosphere that can greatly play up after the goal.More preferably, red light is installed on the back timber, thereby feasible more eye-catching, realizes the purpose of this utility model better.

Description of drawings

Other advantages of the present utility model and feature will become clear according to the description by example form and some illustrative embodiment with reference to the accompanying drawings.

Fig. 1 and 2 is respectively front view and the side view that the football door of camera, signal transmssion line, computer center has been installed according to the utility model first embodiment.

Fig. 3 is the detailed side view according to the football door of the utility model first embodiment.

Fig. 4 is the detailed top view according to the football door of the utility model first embodiment.

Fig. 5 and Fig. 6 are the footballs that signal projector is housed according to the utility model second embodiment.

Fig. 7 is front view and the side view according to the football door that signal receiver, signal transmssion line, computer center are installed of the utility model second embodiment.

The specific embodiment

See figures.1.and.2, the utility model is respectively installed at least one column camera 4 and back timber camera 2 on two columns 3 of football door and back timber 1,8～20 cameras preferably are installed.All cameras all side when ball no matter during from which angle behind, always have at least one camera can capture whether behind of ball on goal center line 8.

Particularly, at some special circumstances, such as the situation that football may pass under sportsman's crotch or be blocked by health, the utility model has been stipulated the image pickup scope of camera, describes in detail below with reference to Fig. 3 to Fig. 5.

As shown in Figure 3, the camera watch region 6 of the camera 2 on the back timber 1 is in ABC is three-way, and wherein the A line is preceding shooting line scope, and the B line is a back shooting line scope, A, B line ground distance C be (being zone 6 in Fig. 1, Reference numeral 7 expression nets) in 500～1000mm scope.Find football 5 when any point in this scope and cross theoretical centerline 8, promptly the decidable football is entered, can avoid like this football 5 from the goalkeeper stride down pass and the goalkeeper when just in time standing in the center, goal camera can't judge whether football 5 enters.

As shown in Figure 4, camera 4 image pickup scopes on the column 3 are limited in image pickup scope line D, the E line, and the distance of D, E line equals goal post external diameter F, and camera captures football in the time of can avoiding football to pass outside column like this, and the erroneous judgement ball is entered.

As mentioned above, when football 5 behind, when promptly entering the goal, camera photographs this image and by transmission line 11 this image is transferred to computer center.Whether the image that computer center 12 comes according to transmission entered to football in the extremely short time is made judgement, and when judging that football is not entered, computer center does not send any instruction.When judging that ball is entered, computer center sends instruction and can be transferred to the referee by communication.Like this, the referee can make right judgement rapidly according to instruction.

According to second embodiment of the present utility model, in 5 two symmetric positions of football (Fig. 5) or center (Fig. 6) a kind of signal projector 13 is installed, when football 5 is crossed the goal, signal projector 13 on the football sends signal, signal receiver 9 on the goal is received signal (9 acknowledge(ment) signals when football 5 enters in the goal of this signal receiver), and transfers signals to computer center by transmission line 11.

Particularly, can make the signal of the signal projector 13 emission specific wavelengths of installing on the football 5, and the signal receiver 9 of only accepting this specific wavelength signal in the specific range is installed in the middle of goal back timber or column.For example, if signal receiver is installed in the centre of goal back timber, suppose that goal back timber length is L, the column height is H, and then the ultimate range of the received signal of this signal receiver 9 is Illustrate, at present the distance between football door two columns is 7.32 meters, and the column height is 2.44 meters, then can be with the ultimate range of the received signal of this signal receiver 9 $\sqrt{{7.32/2}^2+{2.44}^2}\≈4.43$ Rice.Certainly, if signal receiver 9 is installed in column and back timber junction, then the ultimate range of its received signal can be set to

, calculate according to present measurements of the goal, then this distance should be $\sqrt{{7.32}^2+{2.44}^2}\≈7.72$ Rice.In addition, signal receiver receives signal when preventing that football is outside the goal, can take known shielding measure with the signal shielding outside the goal, thereby only can receive signal after football enters the goal.

As mentioned above, receive the signal of sending by signal receiver 9 when computer center 12 after, send instruction at once and can be transferred to the referee by communication.Like this, the referee can make right judgement rapidly according to instruction.

In addition, preferably, at least one red light 10 is housed on goal back timber or column.When sending the goal instruction according to existing regular the utility model computer center 12, the red light on goal back timber or the column flashes rapidly.Whether this ball of prompting judge is scored and is effectively judged by the judge really to enter on the one hand, provides the information of scoring more reliably for the judge like this.On the other hand, ball enters the back because red light 13 does not stop the glittering atmosphere that can greatly play up after the goal.More preferably, red light is installed on the back timber 1, thereby feasible more eye-catching, realizes the purpose of this utility model better.

Claims (4)

1. football door, it has with two columns and the back timber that connects two columns, it is characterized in that:

On described back timber and each column, at least one is installed respectively and can only photographs the camera of goal line with inner region;

Handle and send the computer center whether football enters the instruction at goal by the image that signal transmssion line links to each other with described camera, described camera is photographed.

2. football door according to claim 1 is characterized in that, described back timber and column are installed 8 to 20 cameras altogether.

3. football door according to claim 1 is characterized in that, described back timber and column one of at least on the red light of at least one sparkling when scoring is installed.

4. football door according to claim 3 is characterized in that described red light is installed on the described back timber.

Images