CN1440887A - wheel frame with sensor - Google Patents

Abstract

The present invention relates to a wheel frame with a sensor for installation in a tire, comprising: a wheel frame part with a valve stem; a base fixed on the wheel frame part and positioned opposite to the valve stem; and a sensor embedded in and installed in the base for sensing the state of the tire and sending it as a radio frequency signal.

Description

wheel frame with sensor

technical field

The invention relates to a pneumatic tire with a sensor device, in particular to a pneumatic tire with a sensor device firmly fixed on a wheel frame and replaceable.

Background technique

There are many devices in the prior art that can be used to check the pressure of the pneumatic tires used for vehicles, such as the U.S. Patent No. 4,048,614 "Low Tire Pressure Warning Device (Low Tire Pressure Warning Device) issued to Shumway on September 13, 1977." )", which discloses a tire pressure warning system for a vehicle's pneumatic tires. The tire pressure warning system is mounted on the rim of a vehicle tire and has an activatable radio transmitter, a power source, a switch and a diaphragm member, and the radio is activated when the tire pressure is lower than a predetermined pressure transmitter to warn the driver. The aforementioned warning devices can only warn of low tire pressure, and their components are quite complicated, so they are not suitable for modern vehicles.

U.S. Patent No. 5,844,131 "Tire Pressure Sensor Apparatus For A Pneumatic Tire Vehicle" issued December 1, 1998 to Gabelmann et al., which discloses a pressure sensing device, The sensor device includes a housing with at least two base components, used to be placed on the wheel frame platform of the vehicle, and adjustably support the housing, and cooperate with the tire valve stem to form a fixed state.

Furthermore, in U.S. Patent No. 6,055,855 "Tire Pressure Sensor Wheel Attachment Apparatus" issued to Straub on May 2, 2000, a wheel attached to a vehicle wheel is disclosed. On the frame, wherein the equipment has a pressure sensor and a threaded fixer, the pressure sensor can be fixed on the wheel frame of the vehicle by the threaded fixer and a tire valve stem.

Furthermore, the applicant mentioned in the application No. 089117036 "Tire Pressure Monitoring Method and Device for Pneumatic Tires" on August 22, 2000 that the device has a sensor module, which is respectively installed on the In the tire, it is used to sense the state of the tire, and send the sensed tire state as a radio frequency signal, so as to monitor the tire state. In addition, the applicant filed the application No. 089118096 on September 2, 2000, "State Sensor of Pneumatic Vehicle Tire", which discloses a state sensor of a pneumatic tire of a vehicle, which is used to be installed in a pneumatic tire of a vehicle. Both of these patents are incorporated herein by reference.

In the aforementioned technologies, the state sensor is generally installed on the wheel frame platform of the tire through the valve stem of the tire. However, when the sensor is installed on the valve stem side of the tire, the balance of the tire will be considerably affected. Furthermore, since the aforementioned sensors are fixed by threaded components, they may loosen during use, so that the sensors cannot operate correctly.

Therefore, as mentioned above, the aforementioned sensors cannot be well fixed on the wheel frame of the wheel, and it is necessary to provide a sensor with a good wheel frame fixing so as to detect the state of the vehicle at any time.

Contents of the invention

The main purpose of the present invention is to provide a wheel frame with a sensor, wherein the sensor can be firmly fixed on the wheel frame of a vehicle and interacts with a receiving device to monitor the usage status of the vehicle.

A secondary object of the present invention is to provide a wheel frame with a sensor, wherein the sensor is firmly fixed on the wheel frame and the sensor is detachable from the wheel frame.

To achieve the above-mentioned purpose, the wheel frame with sensor of the present invention is used to be installed in a tire, and it comprises: wheel frame part, has a valve stem; A base, is fixed on this wheel frame part, locates with this valve The rods are opposite to each other; and a sensor is embedded and installed in the base to sense the state of the tire and send it as a radio frequency signal.

According to another aspect of the present invention, the base of the wheel frame with the sensor further has two fixing hooks for buckling the sensor. The base also has two flaps for removing the sensor.

According to yet another aspect of the present invention, the wheel frame with the sensor further has an upper cover portion for cooperating with the base to firmly fix the sensor. The upper cover part has a recess, and when the upper cover part cooperates with the base, the recess can further abut against the sensor to firmly fix the sensor.

To sum up, since the wheel frame part has a sensor device, the state of the vehicle can be transmitted to the vehicle by a radio frequency signal, and accordingly the driver of the vehicle can understand the state of the tires of the vehicle, thereby avoiding possible accidents. Emergency situations. Furthermore, the sensor is firmly placed on the wheel frame, opposite to the valve stem of the wheel frame, so the sensor will not fall off, and the balance of the tire can be improved. Moreover, the sensor can also be easily disassembled, so as to replace or repair the sensor.

Description of drawings

FIG. 1 is an expanded view of a wheel frame with a sensor according to the first embodiment of the present invention;

Fig. 2 is a perspective view of the wheel frame with sensors in Fig. 1;

3 is an expanded view of a wheel frame with sensors according to a second embodiment of the present invention;

FIG. 4 is a perspective view of the wheel frame with sensors in FIG. 3 . Explanation of symbols in the figure

10 wheel frame with sensor

12 wheel frame part 14 base

16 Sensor 18 Upper cover part

20 Fixed hook 22 Opening hole

24 Recess 26 Contact

50 rims with sensors

52 Wheel frame part 54 Base

56 Sensor 58 Bolt

60 Notch 62 Fixing hook

64 Opening 66 Threaded hole

68 folded plates

Detailed ways

Please refer to FIG. 1 and FIG. 2 , which show a wheel frame 10 with a sensor according to a first embodiment of the present invention. The wheel frame 10 is used to add a rubber tread to form a pneumatic wheel of a vehicle. The sensor-equipped wheel frame 10 includes a wheel frame portion 12 , a base 14 , a sensor 16 , and an upper cover portion 18 .

The base 14 can be firmly connected to the wheel frame portion 12 by any fixing method, such as welding, spot welding, rivets, or threads. As shown, the base 14 is fixedly connected to the rim portion 12 by means of two joints 26 by spot welding. The position of the base 14 is relative to the stem (not shown) of the wheel frame portion 12 , thereby improving the balance of the wheel frame 10 .

The sensor 16 is disposed in the base 14 and fixed by the upper cover portion 18 . The size of the sensor 16 is substantially equal to the size of the base 14 , so that the sensor 16 can be firmly embedded in the base 14 . The base 14 has two fixing hooks 20 for cooperating with the openings 22 of the upper cover part 18 to fasten the upper cover part 18 . Preferably, the upper cover part 18 has a recess 24 and is made of elastic material, such as a leaf spring, whereby the upper cover part 18 can be tightly pressed against the sensor 16 and further firmly fixed The sensor 16. Furthermore, when the sensor 16 is to be removed, the upper cover portion 18 can be further pressed down, so that the opening 22 can be disengaged from the fixing hook 20 , and the sensor 16 can be removed.

Those skilled in the art will understand that the base 14 can also be integrally formed with the wheel frame. That is to say, the wheel frame 12 itself has a groove for inserting the sensor 16 . The wheel frame 12 has two fixing hooks 20 for cooperating with the upper cover portion 18 to fix the sensor 16 . Alternatively, the wheel frame 12 does not have any recesses, and the sensor 16 is firmly fastened to the wheel frame 12 only by the upper cover portion 18 .

The sensor 16 has a sensor application-specific integrated circuit ASIC (SensorApplication-Specific Integrated Circuit), and a radio frequency (Radio Frequency; FR) transmitter, the sensor 16 can sense the state of the tire, such as tire pressure, temperature and acceleration data, And send the sensed tire condition with radio frequency (RF) signal. The sensor 16 can be seen in the application No. 089117036 "Tire Pressure Monitoring Method and Device for Pneumatic Tires" filed by the applicant on August 22, 2000, and this patent application is hereby incorporated into this description as refer to.

Those skilled in the art will understand that the sensor 16 can be in any shape, and the shape of the sensor 16 shown in the figure is only provided as an example for convenience of explanation, not for limitation. Moreover, when the outer shape of the sensor 16 is other shapes, the base 14 and the upper cover part 18 may have corresponding outer shapes.

Please refer to FIG. 3 and FIG. 4 , which show a wheel frame 50 with sensors according to a second embodiment of the present invention. The wheel frame 50 is substantially similar to the wheel frame 10 , and similar components are marked with similar symbols. The wheel frame with sensors 50 includes a wheel frame portion 52 , a base 54 and a sensor 56 .

The base 54 is connected to two threaded holes 66 of the wheel frame portion 52 by two bolts 58 . The sensor 56 is disposed in the base 54 , and the size of the sensor 56 is substantially equal to the size of the base 54 . The base 54 has two fixing hooks 62 for hooking into the notches 60 of the sensor 56 to fix the sensor 56 . Preferably, the base 54 has two flaps 68 , each of which has an opening 64 . Therefore, when the sensor 56 is to be removed, a lever (not shown) can be inserted into the opening 64 so as to break apart the base 54 and take out the sensor 56 .

Those skilled in the art will understand that the rim part is a rim of a locomotive tire, but the rim part can also be a rim of an automobile tire. Again, the wheel frame can be an iron wheel frame or an aluminum wheel frame.

As mentioned above, the wheel frame part has a sensor device, which can transmit the state of the vehicle to the vehicle through radio frequency signals, and accordingly the driver of the vehicle can understand the state of the tires of the vehicle and avoid possible emergency situations. Condition. Furthermore, the sensor is firmly placed on the wheel frame, opposite to the valve stem of the wheel frame, so the sensor will not fall off, and the balance of the tire can be improved. Moreover, the sensor can also be easily disassembled, so as to replace or repair the sensor.

Although the present invention has been disclosed by the aforementioned preferred embodiments, they are not intended to limit the present invention. Any skilled person can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be determined by the claims.

Claims (13)

1. wheel frame with sensor, is characterized in that it comprises in order to be installed in the tire:

One wheel rim part has a valve rod;

One base is fixed on this wheel rim part the position of non-this valve rod; And

One sensor embeds and is installed in this base, in order to responding to the state of this tire, and sends with radio-frequency (RF) signal.

2. the wheel frame with sensor according to claim 1 is characterized in that, this base location is relative with this valve rod.

3. the wheel frame with sensor according to claim 1 is characterized in that this base has two stay hooks in addition, in order to fasten this sensor.

4. the wheel frame with sensor according to claim 3 is characterized in that this base has bifoldable plate in addition, in order to unload this sensor.

5. the wheel frame with sensor according to claim 1 is characterized in that other has a upper cover part, in order to this base combined action firmly to fix this sensor.

6. the wheel frame with sensor according to claim 5 is characterized in that this upper cover part has a recess, and when this upper cover part and this base combined action, this recess can further prop up this sensor, firmly to fix this sensor.

7. wheel frame with sensor, is characterized in that it comprises in order to be installed in the tire:

One wheel rim part has a valve rod; And

One sensor is directly fixed on this wheel rim part, and the position of non-this valve rod in order to responding to the state of this tire, and sends with radio-frequency (RF) signal.

8. the wheel frame with sensor according to claim 7 is characterized in that this sensor is positioned relative with this valve rod.

9. the wheel frame with sensor according to claim 7 is characterized in that this wheel rim part has a recess in addition, in order to embed this sensor.

10. the wheel frame with sensor according to claim 9 is characterized in that this wheel rim part has two stay hooks in addition, in order to fasten this sensor.

11. the wheel frame with sensor according to claim 10 is characterized in that each all has a flap this two stay hook, in order to unload this sensor.

12. the wheel frame with sensor according to claim 7 is characterized in that other has a upper cover part, in order to further firmly to fix this sensor.

13. the wheel frame with sensor according to claim 12 is characterized in that this upper cover part has a recess, this recess can prop up this sensor, further firmly to fix this sensor.

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