DE102005035272A1 - Arrangement for monitoring tire pressure on tire has air valve and air pressure sensing unit which are inseparably interconnected by connecting element which is formed as elastic plastic or rubber sleeve - Google Patents
Arrangement for monitoring tire pressure on tire has air valve and air pressure sensing unit which are inseparably interconnected by connecting element which is formed as elastic plastic or rubber sleeve Download PDFInfo
- Publication number
- DE102005035272A1 DE102005035272A1 DE200510035272 DE102005035272A DE102005035272A1 DE 102005035272 A1 DE102005035272 A1 DE 102005035272A1 DE 200510035272 DE200510035272 DE 200510035272 DE 102005035272 A DE102005035272 A DE 102005035272A DE 102005035272 A1 DE102005035272 A1 DE 102005035272A1
- Authority
- DE
- Germany
- Prior art keywords
- air valve
- air
- air pressure
- connecting element
- tire
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0494—Valve stem attachments positioned inside the tyre chamber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Anordnung zur Überwachung des Reifendrucks an einem Reifen, umfassend ein Luftventil und eine Luftdrucksensoreinheit.The The present invention relates to an arrangement for monitoring of tire pressure on a tire comprising an air valve and a tire Air pressure sensor unit.
Reifenüberwachungssysteme sind dazu ausgelegt, einen Reifenparameter zu überwachen, beispielsweise den Reifendruck. Dazu ist das Reifenüberwachungssystem beispielsweise an einem Fahrzeugrad angebracht. Es sind verschiedene Reifenüberwachungssysteme bekannt.Tire monitoring systems are designed to monitor a tire parameter, such as the Tire pressure. This is the tire monitoring system for example, attached to a vehicle wheel. They are different Tire monitoring systems known.
Aus der US-A 4,814,745 ist beispielsweise eine Sensoranordnung bekannt, die eine Überwachung des Reifendrucks direkt am Luftventil ermöglicht, wobei die Sensoranordnung auf das Luftventil aufgeschraubt ist. Bei derartigen Anordnungen besteht ein Risiko für Fehlmontagen. Insbesondere kann es zu einer fehlerhaften Zuordnung des Sensors zu dem jeweiligen Luftventil kommen, wobei ein Sensor eines Herstellers auf ein Luftventil eines anderen Herstellers montiert wird. Dies kann zu Messungenauigkeiten führen, die es zu vermeiden gilt.Out US Pat. No. 4,814,745 discloses, for example, a sensor arrangement, the one monitoring the tire pressure directly on the air valve allows, the sensor assembly is screwed onto the air valve. In such arrangements there is a risk for Incorrect assembly. In particular, it can lead to an incorrect assignment the sensor come to the respective air valve, wherein a sensor of a manufacturer mounted on an air valve of another manufacturer becomes. This can lead to measurement inaccuracies, which must be avoided.
Weiterhin besteht bei Sensoranordnungen, bei denen das Luftventil und der Luftdrucksensor mittels Schrauben oder Sprengringe verbunden sind, bei nicht fachgerechter Anwendung die Gefahr des Ablösens und der Zerstörung oder des Verlustes des Sensors und der Übertragungselektronik im Fahrbetrieb.Farther exists in sensor arrangements in which the air valve and the Air pressure sensor by means of screws or snap rings are connected, at improper use the risk of detachment and destruction or the loss of the sensor and the transmission electronics while driving.
Der Erfindung liegt daher die Aufgabe zugrunde, eine verbesserte Anordnung der eingangs genannten Art anzugeben, die eine dauerhafte und sichere Reifendrucküberwachung ermöglicht.Of the Invention is therefore the object of an improved arrangement specify the type mentioned, the permanent and safe Tire pressure monitoring allows.
Diese Aufgabe wird mit der Merkmalskombination gemäß Patentanspruch 1 gelöst. Vorteilhafte Weiterbildungen der erfindungsgemäßen Anordnung zur Überwachung des Reifendrucks sind Gegenstand der Unteransprüche.These Task is solved with the feature combination according to claim 1. Advantageous developments the inventive arrangement for monitoring the tire pressure are the subject of the dependent claims.
Erfindungsgemäß sind das Luftventil und die Luftdrucksensoreinheit unlösbar miteinander verbunden. Dabei bildet ein Luftdrucksensor mit einer Übertragungseinheit zur Übertragung des Luftdruckwertes an eine Fahrzeugelektronik eine Einheit, die im Folgenden zusammenfassend als Luftdrucksensoreinheit bezeichnet wird. Als Luftdrucksensoren werden im Folgenden solche Sensoren verstanden, die den Druck eines Gases, z.B. Luft oder Stickstoff, im Reifen messen oder prüfen. Da das Luftventil und die Luftdrucksensoreinheit bereits in der Vorfertigung unlösbar miteinander verbunden werden, entfällt die Möglichkeit einer fehlerhaften Zuordnung von Luftdrucksensoreinheit und Luftventil. Auch ist die Luftdrucksensoreinheit nach erfolgter Montage sicher gegenüber Manipulationsversuchen geschützt. Durch die unlösbare Verbindung wird einerseits die Gefahr von Ausfällen der Anordnung während des Betriebes verringert, wie dies beispielsweise durch Lösen der Luftdrucksensoreinheit bei mechanisch lösbaren Verbindungen während der Fahrt des Fahrzeugs üblich war. Zum anderen sind Signalverluste bei der Übertragung von der Luftdruck sensoreinheit zur Antenne minimiert, da die unlösbare und direkte Verbindung eine sichere elektrische Kontaktierung ermöglicht.According to the invention Air valve and the air pressure sensor unit permanently connected together. In this case, forms an air pressure sensor with a transmission unit for transmission the air pressure value to a vehicle electronics unit, the hereinafter referred to collectively as air pressure sensor unit becomes. As air pressure sensors are hereinafter such sensors understood that the pressure of a gas, e.g. Air or nitrogen, measure or test in the tire. Since the air valve and the air pressure sensor unit already in the Prefabrication unsolvable interconnected, eliminates the possibility of a faulty Assignment of air pressure sensor unit and air valve. Also is the Air pressure sensor unit after installation safe against tampering attempts protected. By the unsolvable Connection is on the one hand the risk of failure of the arrangement during operation decreases, as for example by releasing the air pressure sensor unit with mechanically detachable Connections during the ride of the vehicle usual was. On the other hand, signal losses during transmission from the air pressure sensor unit to Antenna minimized, since the insoluble and direct connection allows safe electrical contact.
Zweckmäßigerweise sind das Luftventil und die Luftdrucksensoreinheit über ein Verbindungselement miteinander fest verbunden. Der Einsatz eines insbesondere flexiblen Verbindungselementes zwischen dem Luftventil und der Luftdrucksensoreinheit ermöglicht verschiedene Montagewinkel zwischen dem Luftventil und der Luftdrucksensoreinheit und damit eine Verbesserung der Montage der Anordnung auch bei begrenzten räumlichen Verhältnissen in der Felge. Vorteilhafterweise ist hierzu das Verbindungselement elastisch ausgeführt, z.B. als ein Kunststoff- oder Gummischlauch.Conveniently, Both the air valve and the air pressure sensor unit are on Connecting element firmly connected. The use of a particular flexible connecting element between the air valve and the air pressure sensor unit allows various Mounting bracket between the air valve and the air pressure sensor unit and thus an improvement of the assembly of the arrangement even with limited spatial Conditions in the rim. Advantageously, this is the connecting element elastic, e.g. as a plastic or rubber hose.
Wird das Verbindungselement mit einem elektrischen Leiter versehen, können die elektrisch leitenden Teile des Luftventils als Antenne benutzt werden, um die Luftdruckdaten an die Fahrzeugelektronik zu übertragen. Durch die daraus resultierende feste elektrische Verbindung der Luftdrucksensoreinheit mit dem als Antenne dienenden Luftventil wird das Übertragungsverhalten zur Fahrzeugelektronik optimiert.Becomes The connecting element provided with an electrical conductor, the electrically conductive parts of the air valve are used as an antenna, to transfer the air pressure data to the vehicle electronics. Due to the resulting solid electrical connection of Air pressure sensor unit with the aerial valve serving as antenna becomes the transmission behavior optimized for vehicle electronics.
Die Demontage des Luftventils bei einem Reifenwechsel wird durch das Vorhandensein einer Sollbruchstelle im Verbindungselement erleichtert. Die Sollbruchstelle wird beispielsweise durch eine lokale Verjüngung oder Einschnürung des Verbindungselementes erreicht. Wird das in einer Öffnung in der Felge sitzende Luftventil bei der Demontage nach außen aus der Felge herausgezogen, reißt die Luftdrucksensoreinheit, die für diese Öffnung zu groß ist, bei einer definierten Zugkraft ab.The Disassembly of the air valve in a tire change is caused by the Presence of a predetermined breaking point in the connecting element easier. The Predetermined breaking point is, for example, by a local rejuvenation or constriction reaches the connecting element. Will that be in an opening in the rim seated air valve during disassembly to the outside the rim pulled out, rips the air pressure sensor unit, which is too large for this opening at of a defined tensile force.
Ausführungsbeispiele der Erfindung werden anhand einer Zeichnung näher erläutert.embodiments The invention will be explained in more detail with reference to a drawing.
Dabei zeigen:there demonstrate:
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.each other corresponding parts are in all figures with the same reference numerals Mistake.
In
Das
verwendete Luftventil
In
Gummischlauch
ausgebildet. Ein derart elastisch ausgeführtes Verbindungselement
Die
Luftdrucksensoreinheit
Zur
Herstellung einer elektrisch leitenden Verbindung zwischen dem Luftventil
Darüber hinaus
ist das Verbindungselement
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510035272 DE102005035272A1 (en) | 2005-07-28 | 2005-07-28 | Arrangement for monitoring tire pressure on tire has air valve and air pressure sensing unit which are inseparably interconnected by connecting element which is formed as elastic plastic or rubber sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510035272 DE102005035272A1 (en) | 2005-07-28 | 2005-07-28 | Arrangement for monitoring tire pressure on tire has air valve and air pressure sensing unit which are inseparably interconnected by connecting element which is formed as elastic plastic or rubber sleeve |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005035272A1 true DE102005035272A1 (en) | 2007-02-15 |
Family
ID=37680815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE200510035272 Withdrawn DE102005035272A1 (en) | 2005-07-28 | 2005-07-28 | Arrangement for monitoring tire pressure on tire has air valve and air pressure sensing unit which are inseparably interconnected by connecting element which is formed as elastic plastic or rubber sleeve |
Country Status (1)
Country | Link |
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DE (1) | DE102005035272A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048614A (en) * | 1975-08-18 | 1977-09-13 | Shumway Harry J | Low tire pressure warning device |
DE2915272C2 (en) * | 1979-04-14 | 1983-11-24 | Alfred 6588 Birkenfeld Knöbel | Tire monitors for motor vehicles with pneumatic tires |
US4814745A (en) * | 1988-06-20 | 1989-03-21 | Wang Hsug Fang | Signal device for pneumatic tire |
DE4303583C2 (en) * | 1993-02-08 | 1996-02-22 | Alpha Beta Electronics Ag | Valve with a device for generating a wirelessly transmitted pressure decrease signal for vehicle tires |
DE69326356T2 (en) * | 1993-03-11 | 2000-01-20 | Schrader Bridgeport Int Inc | TIRE PRESSURE REMOTE MONITORING SYSTEM USING CODED TIRE IDENTIFICATION AND RADIO FREQUENCY DATA TRANSMISSION WITH POSSIBILITY TO RECALIBLE AFTER TIRE CHANGING OR TIRE REPLACEMENT |
US6340929B1 (en) * | 1998-11-19 | 2002-01-22 | Pacific Industrial Co., Ltd | Transmitter and external controller of tire inflation pressure monitor |
-
2005
- 2005-07-28 DE DE200510035272 patent/DE102005035272A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048614A (en) * | 1975-08-18 | 1977-09-13 | Shumway Harry J | Low tire pressure warning device |
DE2915272C2 (en) * | 1979-04-14 | 1983-11-24 | Alfred 6588 Birkenfeld Knöbel | Tire monitors for motor vehicles with pneumatic tires |
US4814745A (en) * | 1988-06-20 | 1989-03-21 | Wang Hsug Fang | Signal device for pneumatic tire |
DE4303583C2 (en) * | 1993-02-08 | 1996-02-22 | Alpha Beta Electronics Ag | Valve with a device for generating a wirelessly transmitted pressure decrease signal for vehicle tires |
DE69326356T2 (en) * | 1993-03-11 | 2000-01-20 | Schrader Bridgeport Int Inc | TIRE PRESSURE REMOTE MONITORING SYSTEM USING CODED TIRE IDENTIFICATION AND RADIO FREQUENCY DATA TRANSMISSION WITH POSSIBILITY TO RECALIBLE AFTER TIRE CHANGING OR TIRE REPLACEMENT |
US6340929B1 (en) * | 1998-11-19 | 2002-01-22 | Pacific Industrial Co., Ltd | Transmitter and external controller of tire inflation pressure monitor |
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Legal Events
Date | Code | Title | Description |
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OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE |
|
8127 | New person/name/address of the applicant |
Owner name: DAIMLER AG, 70327 STUTTGART, DE |
|
8130 | Withdrawal |