JP2003286960A - Air jet device, power generating device using the same device, and monitoring device using this power generating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air jet device, a power generating device using the same device, and a monitoring device using the power generating device, capable of dispensing with an external power source or wiring construction to facilitate installation construction, securely functioning without having effects of power disconnection or failure if any, and eliminating possibility of operation error caused by small animals. <P>SOLUTION: This air jet device is composed of an air pump 1 formed in the form of bellows to be vertically expansible, a pipe 2 connected to one side of a lower end part of the air pump 1 to be communicated, and a nozzle 3 connected to a tip part of the pipe 2 to communicate. Air pressure jetted out as the air pump 1 is compressed is used for an actuation source for the power generating device 10 which generates power as impact is added to a piezoelectric element 13. A signal started as power is generated in the power generating device is sent to a receiver 30 of various monitoring devices, and various kinds of actuation are conducted based on this. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is basically based on a device for ejecting air by applying a load to an air pump, and utilizing the air pressure ejected from this air ejecting device, for example, a piezoelectric element is used. Activate the generator,
Furthermore, the present invention relates to a technique for operating various monitoring devices by using the electric current generated by the power generation device.

[0002]

2. Description of the Related Art For example, a system for detecting a vehicle detection device arranged in a parking lot by a sensor has been conventionally known. However, the sensor used in this conventional system requires power wiring work. Moreover, if this wiring is cut off, the vehicle cannot be detected, and further, since the power must be constantly supplied, running costs increase. Further, when the sensor is an infrared type, there is a problem that a small animal such as a mosquito easily detects a heat source and induces a malfunction.

The present invention was devised in view of the current situation. The object of the present invention is that an external power source is not required, so that the cost can be reduced and the running cost can be reduced. Installation work is easy because wiring work is not required, and even if the power source is cut off or a power failure occurs, it will function reliably without being affected by it, and there is no fear of malfunction due to small animals. It is intended to provide a jetting device, a power generation device using the device, and a monitoring device using the power generation device.

[0004]

In order to achieve the above object, in the present invention, an air jetting device is provided.
As described in (1) above, the air pump is compressed by applying a load, and the air is discharged from the nozzle.

In this case, the air pump has a structure according to claim 2.
It can be formed in a bellows shape as described in 1 above, or can be composed of a balloon body formed of a rubber material or a soft synthetic resin material as described in claim 3.

Further, in the present invention, as described in claim 4, the nozzle opening adjusting means for adjusting the supply amount of air is attached to the nozzle so that the ejection pressure corresponding to the purpose of use can be obtained. It is desirable to be adjustable to obtain it.

The air jetting device thus constructed is
As described in claim 5, the wind pressure of the air jetted from the air pump is jetted to the power generation device using the piezoelectric element to swing the power generation device and is used for the power generation device that performs a predetermined power generation. be able to.

According to a sixth aspect of the power generator, a leaf spring, a case swingably fixed to one end of the leaf spring, and a piezoelectric element disposed in the case. It is characterized in that it is composed of a sphere for applying stress to the piezoelectric element and a rectifying circuit arranged in the case.

And, in the leaf spring of the power generator, as described in claim 7, at a position apart from the center point thereof,
It is desirable to form, for example, a hemispherical pressure receiving portion that efficiently receives the air jetted from the nozzle.

Further, in the present invention, as described in claim 8, the lower end portion of the leaf spring of the power generator is connected to a seesaw type supporting device through a shaft, and the base of the supporting device is connected. A pressure receiving portion for receiving air ejected from the nozzle is formed at one end of the member, and a spring for returning the base member to a horizontal state is provided at the other end of the base member. Good.

When the generator described above is provided with the oscillator operated by the current rectified by the rectifier circuit as described in claim 9, when the monitoring device described later is required. Can be started automatically.

For example, as described in claim 10, a load detecting device having the air ejecting device is arranged on a traveling path of the vehicle, and the air ejecting device of the load detecting device is operated when passing through the vehicle. The present invention can be applied to a vehicle monitoring device that activates the power generation device and transmits the vehicle passing information from the transmitter by the power generation of the power generation device.

Further, in the vehicle monitoring device configured as described above, as described in claim 11, the load detecting device is arranged at an intersection or a blind corner so that the vehicle can be used more effectively. You can

Of course, the vehicle monitoring device according to claim 12
As described above, the load detecting device can be effectively used even if the load detecting device is arranged at the entrance or the exit of the unmanned parking lot or the parking area.

Further, according to the present invention, as described in claim 13, by operating the air jetting device under the load of a person, the person detecting information is transmitted from the transmitter of the power generating apparatus. It can also be configured to send to a person monitoring device.

[0016] In this case, the person monitoring device may be the device according to claim 14.
The surveillance camera may be actuated based on the person detection information, or the alarm device may be actuated according to the fifteenth aspect.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described in detail based on the embodiments of the present invention shown in the accompanying drawings.

1 to 3 show an air ejecting apparatus A according to a first embodiment of the present invention. As shown in FIG. 1, the air ejecting apparatus A is formed in a bellows shape and extends vertically. The air pump 1 includes a stretchable air pump 1, a pipe 2 connected to one side of the lower end of the air pump 1, and a nozzle 3 connected to the tip of the pipe 2.

At the connecting end of the air pump 1 and the pipe 2, as shown in FIG. 2, a torque adjusting means 4 of a valve for adjusting the delivery amount of air is arranged and the air is also supplied. As shown in FIG. 3, a check valve 6 that allows intake of outside air into the air pump 1 but restricts outflow of air from the inside of the air pump 1 is provided at the outside air intake port 5 of the pump 1. Is configured.

A screw type nozzle opening adjusting means 7 is rotatably provided in the body portion of the nozzle 3 so that the nozzle opening adjusting means 7 can be rotated normally and reversely.
The opening degree of the air flow passage in the nozzle 3 is adjusted to be expanded or contracted, and as a result, the air ejection pressure can be adjusted.

The air jetting apparatus A thus constructed is compressed by applying a load to the pedestal body 8 arranged above the air pump 1, and the air in the air pump 1 is compressed to form a pipe. It is ejected from the nozzle 3 through the nozzle 2 to the outside. At this time, since the check valve 6 does not flow out from the outside air intake port 5 to the outside, the air can be efficiently delivered toward the nozzle. Moreover, the flow velocity of the air jetted from the nozzle 3 can be adjusted by the nozzle opening adjusting means 7 according to the purpose of use. Incidentally, as shown in FIG. 4, the air pump 1 can obtain the same action and effect even if it is formed in a balloon shape with a rubber material or a soft synthetic resin.

Next, FIG. 5 and FIG. 6 show a power generator 10 using the air jetted from the nozzles 3 as described above. This power generator 10 includes a leaf spring 11 and the leaf spring 11.
A metal hollow box-shaped case 12 swingably fixed to one end (upper end in this embodiment) of the
Piezo elements 13 and 13 provided inside, an iron ball 14 that gives impact stress to the piezo elements 13 and 13, a rectifying circuit 15 and a transmitter 16 arranged in the case 12,
The piezo elements 13, 13 are held by the cushion members 17, 17, and the iron ball 14 linearly reciprocates along the passage 18 formed in the case 12. Is housed as. In addition, a hemispherical pressure receiving body 20 that efficiently receives the air jetted from the nozzle 3 is arranged at a position closer to the lower side from the center point of the leaf spring 11.

The transmitting device 1 having the above-mentioned configuration
0 is fixed to an appropriate place via a fixed seat body 19 connected to the other end (the lower end in this embodiment) of the leaf spring 11.

In the case 12 of the transmitting device 10 thus constructed, the pressure of the wind blown from the nozzle 3 of the air jetting device A is received by the pressure receiving body 20, and the leaf spring 11 pushes it clockwise in FIG. And bent, and then the leaf spring 11
6 moves counterclockwise in FIG. 5 by its repulsive force.
The rocking is repeated as shown in.

Due to the reciprocating swing of the case 12, the iron ball 14 in the case 12 linearly reciprocates in the passage 18 and collides with the piezo elements 13 and 13. The piezo element 13 receives the collision stress. , 13 generate power, and the generated current is rectified by the rectifier circuit 15 to operate the oscillator 16, which transmits a radio wave (unauthorized access notification signal) having a specific frequency to a receiver described later. It is transmitted to the central control device 32 of the monitoring device 31 via 30. In this embodiment, when the piezo elements 13 and 13 receive stress and generate electric power, the oscillator 16 is actuated at substantially the same time to transmit a signal.

FIG. 7 and FIG. 8 show a second example of the power generating device, and in the power generating device 10 according to this example, the leaf spring 1 is used.
The lower end of 1 is provided with a seesaw type supporting device 22 via a shaft 21.
And a pressure receiving portion 20 that receives air ejected from the nozzle 3 at one end of a base member 23 of the supporting device 22.
A is formed, and at the other end of the base member 23,
A spring 24 for urging the base member 23 in a horizontal state
When there is no air jet from the nozzle 3,
The other structure is the same as that of the first example except that the spring 24 acts so as to pull the base member 23 to abut against the stopper 25 and keep the base member 23 in a horizontal state. Therefore, the drawings are denoted by the same reference numerals as those used in the first example, and detailed description thereof will be omitted here.

In the power generator 10 according to the second example having such a structure, when air is jetted from the nozzle 3 to the pressure receiving portion 20A, the base member 2 of the supporting device 22 is formed.
3 is pressed and rotated clockwise in FIG. 7 with the shaft 21 as a fulcrum, and the case 12 is also tilted clockwise in FIG. 7 accordingly (see FIG. 8). Thereafter, the spring 24 pulls the base member 23 in the counterclockwise direction in FIG. 7 to return to the horizontal state, and accordingly, the case 12 also returns in the counterclockwise direction in FIG. 7 to reciprocate the case 12. Case 12 by rocking
The iron ball inside reciprocates linearly in the passage and collides with the piezo elements 13 and 13, and the piezo elements 13 and 13 generate power in response to the collision stress, and the generated current is rectified by the rectifier circuit. The transmitter is rectified to operate, and the transmitter transmits a radio wave having a specific frequency to the central control device 32 of the monitoring device 31 via the receiver 30 described later.

Next, the monitoring device shown in FIG. 9 or 10 can be constructed by utilizing the power generator using the wind pressure of the air jetting device A.

The monitoring device shown in FIG. 9 shows an example of a vehicle monitoring device, in which a load detecting device 40 having the air ejecting device is arranged on a traveling path of the vehicle, and the load detecting device 40 detects the load when passing through the vehicle. The air jetting device of the device 40 is operated to operate the power generation device 10, and the power generation of the power generation device 10 causes vehicle transmission information from the transmitter to be transmitted to, for example, a mobile phone or a receiver 30 arranged in a vehicle monitoring center. It is possible to monitor the passage information of the vehicle by transmitting the information to the central control device 32 of the monitoring device 31 via the.

The vehicle monitoring device thus constructed is
By disposing the load detection device 40 at an intersection or a blind corner, traffic information can be automatically notified to a pedestrian by an alarm or displayed to inform the pedestrian of the approach information to the intersection or the blind corner of the vehicle, thereby improving traffic safety. Can be contributed.

Of course, although not shown, the vehicle monitoring device automatically monitors the entry and exit of the vehicle by disposing the load detection device at the entrance or exit of the unmanned parking lot or the parking area. be able to.

As described above, the vehicle monitoring device according to the present invention does not require an external power source or wiring, so that it is difficult to find it from the outside, and it can be installed anywhere. Moreover, even if there is an interruption such as disconnection of the wiring or interruption of the external power source, reliable detection operation is guaranteed without being affected by this, so the operation accuracy can be improved, and further, when the vehicle passes by. Since the transmitter operates only at the time, it can be operated at low cost with little running cost.

Next, the monitoring device shown in FIG. 10 applies the load of a person to the load detecting device 40, so that the person detecting information from the transmitter 16 of the power generating device 10 is transferred to the receiver 30.
To the person monitoring device 33 via the
The centralized control device 32 activates the surveillance camera 34 of the portion where the load detection device 40 is arranged based on the person detection information, and if necessary, captures the shooting information to a mobile phone of a predetermined person or a management center. Can be configured to send to a computer or activate an alarm device as needed.

In each of the above embodiments, the case is formed in the shape of a hollow box, iron balls are used as the spheres, and a piezo element is used as the power generating element. However, the shape of the case is not limited as long as the sphere is a movable hollow body, and the sphere is also a metal sphere other than an iron sphere or a hard plastic sphere. And other piezoelectric elements can be used.

[0035]

As described above, according to the present invention, since an external power source is not required, cost can be reduced, running cost can be reduced, and wiring work is not required, so that installation work can be performed. Also, even if the power source is cut off or a power failure occurs, it can function reliably without being affected by it, and there is no fear of malfunction by small animals, and power generation using the device. The excellent effect that the device and the monitoring device using the power generation device can be provided at low cost is achieved.

[Brief description of drawings]

FIG. 1 is a side view showing a schematic configuration of an air ejection device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional explanatory view schematically showing a configuration of an air ejection port portion of the air ejection device.

FIG. 3 is a cross-sectional explanatory view showing a configuration and an operating state of an outside air intake port portion of the same air ejection device.

FIG. 4 is a side view showing another configuration example of the air pump of the air ejection device.

FIG. 5 (A) is a cross-sectional explanatory view schematically showing the configuration of a first example of a power generator that uses the wind pressure of the air jet device to generate power, and (B) is a leaf spring of the power generator. It is a front view which shows the structure of the pressure receiver which was carried out.

FIG. 6 is a cross-sectional explanatory view showing an operating state of the power generator.

FIG. 7 (A) is a cross-sectional explanatory view schematically showing the configuration of a second example of a power generator that uses the wind pressure of the air jet device to generate power, and FIG. It is a front view which shows the structure of the pressure receiver which was carried out.

FIG. 8 is a cross-sectional explanatory view showing an operating state of the power generator.

FIG. 9 is an explanatory diagram showing a schematic configuration of a vehicle monitoring device using the power generation device.

FIG. 10 is an explanatory diagram showing a schematic configuration of a person monitoring device using the power generation device.

[Explanation of symbols]

A Air ejection device 1 air pump 3 nozzles 4 Valve torque adjustment means 5 Outside air intake port of air pump 6 Check valve 7 Nozzle opening adjustment means 8 Air pump base 10 transmitter 11 leaf spring 12 cases 13 Piezo element (piezoelectric element) 14 Iron ball (sphere) 15 Rectifier circuit 16 transmitter 18 passages 19 Fixed seat 20,20A Pressure receiver (pressure receiver) 30 receiver 31 Vehicle monitoring device 32 Centralized control device 33 person monitoring device 34 surveillance camera 40 load detector

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3H076 AA14 AA32 AA33 BB38 BB41                       BB50 CC01 CC08 CC15 CC35                       CC47 CC81 CC91                 3H077 AA12 BB10 CC02 CC03 CC07                       DD01 DD04 DD06 DD11 EE36                       EE37 EE40 FF02 FF06 FF14                       FF22 FF23 FF42 FF45

Claims (15)

[Claims] 1. An air ejecting device, characterized in that an air pump is compressed by applying a load to eject air from a nozzle. 2. The air ejection device according to claim 1, wherein the air pump is formed in a bellows shape. 3. The air ejecting apparatus according to claim 1, wherein the air pump is a balloon formed of a rubber material or a soft synthetic resin material. 4. The air ejecting apparatus according to claim 1, wherein the nozzle is provided with a nozzle opening adjusting means for adjusting the amount of air supplied. 5. The wind pressure of the air jetted from the air pump of the air jetting device according to claim 1 is jetted to a power generation device using a piezoelectric element to swing the power generation device. A power generation device characterized by causing the power generation. 6. The power generator includes a leaf spring, a case swingably fixed to one end of the leaf spring, a piezoelectric element disposed in the case, and stress applied to the piezoelectric element. The power generation device according to claim 5, wherein the power generation device comprises a spherical body and a rectifying circuit arranged in the case. 7. The leaf spring of the power generator is formed with a pressure receiving portion for receiving the air jetted from the nozzle, at a position distant from the center point of the leaf spring. Power generator. 8. A pressure-receiving portion in which a lower end portion of a leaf spring of the power generator is connected to a seesaw type supporting device via a shaft, and one end of a base member of the supporting device receives air ejected from the nozzle. 7. The power generator according to claim 6, further comprising: a spring for reciprocating the base member in a horizontal state at the other end of the base member. 9. The power generator according to claim 5, wherein the power generator is provided with an oscillator that is operated by a current rectified by a rectifier circuit. 10. A load detection device, in which the air ejection device is arranged, is arranged on a traveling path of a vehicle, and the air ejection device of the load detection device is operated to pass through the power generation device when the vehicle passes through the load detection device. A vehicle monitoring device, wherein vehicle transmission information is transmitted from the transmitter by power generation of a power generator. 11. The vehicle monitoring device according to claim 10, wherein the load detection device is disposed at an intersection or a blind corner. 12. The vehicle monitoring device according to claim 10, wherein the load detection device is disposed at a doorway of a parking lot or a parking area. 13. A person characterized in that a person's load is applied to the air ejecting device to operate the air ejecting device to transmit person detection information from a transmitter of the power generator to a person monitoring device. Monitoring equipment. 14. The person monitoring apparatus according to claim 13, wherein the person monitoring apparatus operates a surveillance camera based on the person detection information. 15. The person monitoring device activates an alarm device based on the person detection information.
The person monitoring apparatus according to claim 3 or claim 14.