JP2007120061A - Electronic key - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To integrate a whistle for sign usable for signs in case of emergency and from ships or a vehicle running on snow with an electronic key to facilitate their storage and management. <P>SOLUTION: This electronic key 1 uses an IC board 5 including a transmitting and receiving device communicating with a controller 2 having an immobilizer function as a main body. A casing 3 of the electronic key 1 is a resin-made molded product and is divided by a bulkhead 4 to form a circuit storage chamber 31 and a resonance chamber 32. A blow port 7 and a sound release port 8 are provided in the circuit storage chamber 31 to form a whistle part. The IC board 5 having a transmitting and receiving circuit being the main body of the electronic key 1 is provided in the resonance chamber 32. A string passing hole 34 for letting a string and a chain pass through is provided in an end part of the casing 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electronic key, and more particularly, to an electronic key integrated with a whistle that can be used in an emergency, a signal from a ship, or a snow traveling vehicle.

  A portable transceiver device that receives a request signal from a control device mounted on a vehicle and transmits a response signal of the request signal, that is, a vehicle electronic key is known. For example, in the electronic key system disclosed in Japanese Patent Application Laid-Open No. 2001-349110, the identification information included in the response signal to the request signal is collated with the identification information registered in advance by the vehicle-side control device. Release the door lock when the information matches. Further, when the ignition knob is operated, a communication for permitting engine start is performed between the control device and the electronic key, and the engine is started when the identification information matches even in the verification of the identification information performed in this communication. It is configured.

Also, as a control input system to the ship, a transmission device for a radio signal including an identification code is provided, and the ship control device receives the radio signal and determines that the identification code is a specific one. Is known (Japanese Patent Laid-Open No. 2003-127987).
JP 2001-349110 A JP 2003-127987 A

  The vehicular electronic key described in Patent Document 1 can be used as a portable transmission / reception device in a ship operation lock releasing system as described in Patent Document 2. However, for example, when a small ship is used, a whistle that can be used in an emergency as a small ship safety equipment is required. Therefore, the trouble that the whistle and the electronic key must be managed individually arises. For example, each of them is put in a pocket of clothes, or each of them is connected to clothes or a body with a connecting tool such as a string, a wire, or a chain. However, it is troublesome to connect with a plurality of connecting tools, and there is a problem that even if lost, it is difficult to notice.

  An object of the present invention is to provide an electronic key for a marine vessel or a snow traveling vehicle that can be managed together with a whistle.

  To achieve the above object, the present invention provides an electronic key that communicates with an immobilizer mounted on a ship or a snow traveling vehicle to set and release a function of the immobilizer, and has a casing. There is a first feature in that it is formed integrally.

  In addition, the present invention has a second feature in that the casing is resin-molded, and is divided into a housing chamber for an IC substrate, which is an electronic key body, and a resonance chamber for a whistle.

  The third feature of the present invention is that a transmission / reception circuit, an antenna, a power source, and a CPU are incorporated in the IC substrate.

  Further, according to the present invention, an electronic key that communicates with an immobilizer mounted on a ship or a snow traveling vehicle to set and release the function of the immobilizer is integrated with a signal whistle and incorporated in the casing of the whistle. There is a fourth feature.

  Furthermore, the present invention has a fifth feature in that a string passage hole is provided at the other end portion opposite to the one end portion of the casing provided with the whistle blowing port.

  According to the present invention having the first feature, since the whistle is integrated with the electronic key, it is easy to store, and the trouble of storing the electronic key and the whistle separately is eliminated. Since the whistle as a small ship safety equipment is integrated with an electronic key that is essential for starting the ship, it is possible to reliably eliminate leaving the whistle somewhere. Similarly, a snow whistle vehicle running on a large snowy field, a ski resort or the like, that is, a snowmobile, can always carry a whistle by integrating a signal whistle with an electronic key.

  According to the present invention having the second feature, the electronic key body and the whistle can be configured only by partitioning the casing.

  According to the present invention having the third feature, it is possible to downsize the electronic key by mounting essential components as an electronic key on the IC substrate.

  According to the present invention having the fourth feature, since the casing of the whistle as a small ship safety equipment is expanded to accommodate the electronic key, the complexity of separately manufacturing the casing of the whistle and the electronic key is improved. Is done.

  According to the present invention having the fifth feature, the whistle can be blown in a state where the electronic key is connected to the clothes or the body with the string passed through the string passing hole.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 3 is a block diagram of a keyless entry system for a small vessel. This keyless entry system includes an electronic key 1 and a control device 2. The electronic key 1 is a wireless transmitter / receiver integrated with a whistle described later or incorporated in a whistle-shaped case, and has unique identification information (ID information). The control device 2 can have an immobilizer function that is performed based on communication with the electronic key 1.

  FIG. 4 is a side view of a small water jet propulsion boat equipped with the control device 2. In FIG. 4, the small boat 40 includes a steering handle 46 at the front of the hull 41, and a saddle-ride type seat 47 behind the steering handle 46. An engine 48 is disposed at the center of the hull 41, and a jet propulsion room 51 is provided at the stern 49. The jet propulsion unit 52 in the jet propulsion unit chamber 51 includes an impeller 55 in a housing 54 that extends rearward from an inlet 53 at the bottom of the boat.

  When propelling the small boat 40, a mixed gas of air and fuel sucked into the air box 50 and passed through the turbocharger 57 is introduced into the engine 48. By rotating the impeller 55 by the engine 48, the water sucked from the inlet 53 is guided to the steering nozzle 58 through the housing 54 as jet water.

  The meter box 62 provided around the steering handle 46 accommodates the control device 2 for the immobilizer for preventing theft of the small boat 40 by communicating with the electronic key 1.

  FIG. 5 is a block diagram showing the configuration of the electronic key body. The electronic key 1 includes a receiving circuit 11, a transmitting circuit 12, a CPU 13, and a power source 14 including a battery and a power circuit. The CPU 13 includes a request signal verification unit 131 and a response signal generation unit 132 as its functions. The reception circuit 11, the transmission circuit 12, and the CPU 13 are driven by a power supply 14. The receiving circuit 11 has a receiving antenna 11a and receives a signal through the receiving antenna 11a. The request signal verification unit 131 determines whether or not the signal received by the reception circuit 11 is the request signal Sr transmitted from the control device 2. If the received signal is the request signal Sr, the request signal verification unit 131 sends an ID to the response signal generation unit 132. Outputs a request signal. The response signal generation unit 132 reads ID data Dt stored in a ROM (not shown) based on the ID request signal from the request signal verification unit 131 and supplies the ID data Dt to the transmission circuit 12. The transmission circuit 12 transmits a response signal Sa to the request signal Sr including the ID data Dt through the transmission antenna 12a.

  FIG. 6 is a block diagram illustrating a configuration of the control device 2. The control device 2 includes a reception circuit 201, a transmission circuit 202, a power source 203, a CPU 204, an ECU 205, and a drive circuit 206. A start switch 207 and a main switch 208 are provided as means for inputting commands to the control device 2.

  The main switch 208 is provided for starting the ship. The activation switch 217 is provided to activate an electronic key system, that is, a keyless entry system. The ECU 206 performs fuel injection control and ignition control of an engine that is a driving source of the ship. The drive circuit 205 drives an actuator such as a solenoid as a lock means for restricting the movement of the steering wheel of the ship to prevent theft.

  The power supply 203 includes a battery and a power supply circuit, and supplies power to the CPU 204, the reception circuit 201, the transmission circuit 202, and the like. The CPU 204 reads request data Dr from a ROM (not shown) based on the ON operation of the start switch 207 and the main switch 208 and outputs the request data Dr to the transmission circuit 202.

  The transmission circuit 202 transmits a request signal Sr formed based on the request data Dr supplied from the CPU 204. The receiving circuit 201 receives the response signal Sa transmitted from the electronic key 1 through the receiving antenna 201a.

  The CPU 204 checks whether or not the signal supplied from the receiving circuit 201 is the response signal Sa. If the signal is the response signal Sa, the CPU 204 registers the ID data Dt included in the response signal Sa and a memory (not shown). It is checked whether the ID data matches. After transmitting the request signal Sr from the transmission circuit 202, the CPU 204 monitors whether or not the response signal Sa has arrived.

  When a response signal Sa to the request signal Sr transmitted in response to the ON operation of the start switch 207 is detected, a lock release signal is output to the drive circuit 205 and a permission signal is output to the ECU 205. In response to the lock release signal, the steering wheel lock is released, the ECU 204 is operable, and the engine is started.

  FIG. 1 is a perspective view of the electronic key 1, and FIG. The electronic key 1 shown in FIG. 1 is integrally provided with a whistle that can be used in an emergency. The electronic key 1 includes a casing 3 that is a resin molded product. The casing 3 includes two rooms 31 and 32 that are partitioned by a partition wall 4. One room 31 is a circuit accommodation room, and the other room 32 constitutes a whistle resonance room. In the circuit housing chamber 31, an IC substrate 5 including the circuit shown in FIG. 5 is accommodated, and a switch 6 for turning on and off the circuit of the IC substrate 5 is mounted. An air outlet 7 is formed at the end of the resonance chamber 32, and a sound emission port 8 is formed at the other end of the resonance chamber 32, that is, in the vicinity of the partition wall 4.

  The electronic key 1 configured in this manner communicates with the ship control device to set and release the immobilizer function. The whistle provided integrally with the electronic key 1 is used to blow a signal and send a signal.

  A protruding portion 33 may be formed in the casing 3 of the electronic key 1 and a string passing hole 34 may be provided there. The string through hole 34 can be used as a through hole for a string, a chain, or the like for securing the electronic key 1 to clothes or a body.

  The string passing hole 34 is not limited to being provided in the protruding portion 33, and may be formed so as to penetrate the main body side of the casing 3. 7 is an external perspective view according to a modified example of the electronic key, FIG. 8 is a side sectional view of the main part, and the same reference numerals as those in FIG. 2 indicate the same or equivalent parts. 6 and 7, the electronic key 1 is provided with a string through hole 34 a penetrating the end of the casing 3. As shown in FIG. 8, it is preferable to increase the thickness of the casing 3 at the portion where the string passing hole 34a is formed. This is because it is easy to pass a string and the like, and when the contact area with the string is increased, the wear resistance is improved.

  The electronic key 1 is not limited to the above external shape. FIG. 9 is an external perspective view of a cylindrical electronic key. The electronic key 1 shown in FIG. 9 has a cylindrical casing 3 having a small-diameter portion 9, and a blow port 7 is formed in the small-diameter portion 9. In the figure, the part A is an electronic key body part, and the part B is a whistle part.

  The above-described electronic key has a configuration suitable for being fastened to clothes or the like through a string or the like, but is not limited to such a management form and may be stored in a clothing pocket or the like. FIG. 10 is a front view of a life jacket. This type of life jacket 10 is often provided with a pocket 11. If the electronic key 1 is stored and managed in the pocket 11 of such a life jacket 10, the string through holes 34, 34a and the like are not necessarily required.

  In the present invention, the electronic key and the whistle are integrated, but an alarm (alarm sound device) may be provided instead of the whistle. For the alarm, a configuration of a known alarm device (for example, see Japanese Patent Application Laid-Open No. 11-219483) including a battery, a buzzer, and a buzzer activation switch can be applied.

  Further, a light-emitting device that blinks a light bulb, a light-emitting diode, or the like instead of the alarm or in combination with the alarm may be configured integrally with the electronic key. For example, the configuration of Japanese Patent Application Laid-Open No. 2005-52626 can be applied to the device that operates the alarm sound and the light emitting device at the same time.

  In the present invention, the electronic key is integrated with the whistle. However, the shape of the whistle that has been generally recognized can be changed without changing the shape of the whistle so that a space for incorporating the electronic key can be formed. Good. For example, the casing length of the existing whistle can be extended to secure the electronic key storage chamber, and the whistle part can maintain the shape of the conventional product. If it carries out like this, the casing of an electronic key can be manufactured, without changing the manufacturing process of the whistle currently implemented widely. For example, in the example shown in FIG. 9, if the portion A is formed by extending the whistle portion B, the casing of the whistle integrated electronic key can be easily manufactured.

  In the above-described embodiment, the electronic key for setting and canceling the function of the immobilizer employed in the small boat has been described. However, the electronic key of the present invention can be similarly applied to a device that sets and cancels the function of an immobilizer mounted on a snow traveling vehicle as described in, for example, Japanese Patent Laid-Open No. 9-221093.

It is a see-through | perspective perspective view of the electronic key which concerns on one Embodiment of this invention. It is side surface sectional drawing of the electronic key which concerns on one Embodiment of this invention. It is a block diagram which shows the system configuration | structure of the electronic key which concerns on one Embodiment of this invention. 1 is a side view of a watercraft equipped with an immobilizer function according to an embodiment of the present invention. It is a block diagram which shows the structure of an electronic key main body. It is a block diagram which shows the structure of the control apparatus provided in the ship side. It is an external appearance perspective view which concerns on the modification of an electronic key. It is principal part side surface sectional drawing concerning the modification of an electronic key. It is an external appearance perspective view which concerns on a cylindrical electronic key. It is a front view of the life jacket which stores the electronic key of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Electronic key, 2 ... Control apparatus, 3 ... Casing, 4 ... Bulkhead, 5 ... IC board, 6 ... Switch, 7 ... Air outlet, 8 ... Sound emission port, 11a ... Reception antenna, 12a ... Transmission antenna, 13 ... CPU, 14 ... Power source, 31 ... Circuit accommodation room, 32 ... Resonance room, 34 ... String through hole, 40 ... Small boat

Claims (7)

In an electronic key that communicates with an immobilizer mounted on a ship to set and release the function of the immobilizer,
An electronic key having a casing and forming a signal whistle integrally with the casing. In an electronic key that communicates with an immobilizer mounted on a snow traveling vehicle to set and release the function of the immobilizer,
An electronic key having a casing and forming a signal whistle integrally with the casing.   3. The electronic key according to claim 1, wherein the casing is resin-molded, and is divided into an IC board housing chamber which is an electronic key body and a whistle resonance chamber.   4. The electronic key according to claim 3, further comprising a transmission / reception circuit, an antenna, a power source, and a CPU incorporated in the IC substrate. In an electronic key that communicates with an immobilizer mounted on a ship to set and release the function of the immobilizer,
An electronic key which is integrated with a whistle for signaling and is incorporated in a casing of the whistle. In an electronic key that communicates with an immobilizer mounted on a snow traveling vehicle to set and release the function of the immobilizer,
An electronic key which is integrated with a whistle for signaling and is incorporated in a casing of the whistle.   A string passage hole is provided in the casing, and the string passage hole is disposed at the other end portion of the casing opposite to the whistle blowing port provided at one end portion of the casing. Item 7. The electronic key according to any one of Items 1 to 6.

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