WO2017063316A1 - 胎压计 - Google Patents
胎压计 Download PDFInfo
- Publication number
- WO2017063316A1 WO2017063316A1 PCT/CN2016/071195 CN2016071195W WO2017063316A1 WO 2017063316 A1 WO2017063316 A1 WO 2017063316A1 CN 2016071195 W CN2016071195 W CN 2016071195W WO 2017063316 A1 WO2017063316 A1 WO 2017063316A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hole
- pressure gauge
- shaft seat
- tire pressure
- shaft
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/04—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
Definitions
- the present invention relates to a tire pressure monitoring device, and more particularly to a tire pressure gauge.
- TPMS tire pressure monitoring system
- a corresponding tire pressure monitoring sensor is mounted at the valve hole of each tire rim, and the system also includes a sensor housing, a nozzle rod, a seal, and a fastener.
- a component such as a tire pressure monitoring element and a battery is housed in the sensor housing.
- the tire pressure monitoring sensor In the state where the vehicle or the vehicle is stationary, the tire pressure monitoring sensor automatically monitors the tire pressure and temperature data, and abnormalities in the tire pressure and temperature, and alarms, thereby avoiding traffic accidents caused by tire failure, to ensure driving Safety.
- the angle between the tire pressure monitoring sensor and the mouthpiece on the market is mostly unadjustable.
- Such a tire pressure monitoring sensor has a limited application range and can only be mounted on a specific rim.
- the angle of the valve stem relative to the sensor housing is variable (including at least 15° to 25°), and the structural characteristics of the rim are complex and diverse, therefore, the angle of the nozzle relative to the sensor
- the fixed tire pressure monitoring sensor has the following limitations: In some cases, the bottom of the sensor housing will rub against and interfere with the bottom of the rim groove, so that the housing is subjected to a large external force or even the sensor cannot be installed.
- the sensor housing can be designed to be in contact with the bottom of the rim groove for different rim designs.
- the sensor housing receives sufficient support from the rim without excessive interference with the rim.
- a tire pressure gauge includes a tire pressure gauge main body and a valve assembly pivotally coupled to the tire pressure gauge main body, wherein the tire pressure gauge main body includes a housing having an air intake hole on the upper side thereof, and is housed in the tire pressure gauge a PCB assembly for detecting the pressure of the gas entering the housing by the air inlet hole, thereby transmitting a pressure signal to the outside of the tire by an electrical signal, a battery for supplying power to the tire pressure gauge body, and a portion from the housing a metal connector extending from the body, the housing includes a front panel, a first shaft seat is disposed on an outer side of the front panel, and a first shaft hole is disposed on the first shaft seat, and the metal connector includes a first shaft seat corresponding to the second shaft seat of the first shaft hole, and the second shaft seat is provided with a first stud around the first shaft hole thereof, the first shaft seat and the second shaft The seat defines a swinging groove, and the valve assembly includes a swinging head provided with a second shaft hole,
- the tire pressure gauge of the present invention has the following advantages:
- the tire pressure gauge main body of the present invention is pivotally connected with the valve assembly, and thus the angle between the nozzle stem of the valve and the tire pressure gauge housing Adjustable for tires with different rims.
- the second shaft seat and the first stud are metal parts, the connection between the tire pressure gauge housing and the valve is reliable and has good wear resistance.
- the PCB assembly includes a circuit board having a top surface and a bottom surface, a pressure sensor, an antenna, and a control circuit, and the control circuit detects a pressure of a gas detected by the pressure sensor from the air inlet hole into the housing.
- the signal is connected to the antenna and then emitted by the antenna.
- the battery is disposed on a top surface of the circuit board, and the pressure sensor, the antenna and the control circuit are all disposed on a bottom surface of the circuit board.
- the housing further includes a bottom plate connected to the front panel, a pair of side plates, a rear panel and a cover plate disposed on the bottom plate and connected to the front panel, the bottom plate being close to the rear panel
- a boss is formed at the position, and the inner side wall of the boss and the front panel define a bayonet in which the circuit board is stuck.
- the circuit board has a fixing hole at each of two corner ends thereof adjacent to the front panel, and the bottom is The plate is respectively provided with a second stud at a position corresponding to the two fixing holes, and the circuit board is mounted on the bottom plate by being connected to the second stud by a screw passing through the fixing hole.
- one end of the second shaft seat is bent to form a folding arm, and the end of the folding arm extends laterally and away from the second shaft seat to form a metal gasket, and the metal gasket is in the same
- Corresponding positions of the holes of the two studs are provided with through holes for sequentially connecting through the fixing holes of the circuit board and the through holes of the metal pads to the second studs by means of screws; one end of the antenna is disposed close to the fixing holes And the end of the antenna is in electrical contact with the metal spacer.
- the battery is connected to the PCB assembly through a pair of battery sheets, the free ends of the pair of battery sheets are provided with through holes, and the through holes of the battery sheets extend to the two fixing holes respectively.
- the two fixing holes coincide.
- the air inlet hole is disposed on the bottom plate, the pressure sensor is disposed at a position corresponding to the air inlet hole, and a sealing is provided between the pressure sensor and the air inlet hole Pad, the gasket has an intake passage that communicates with the intake port and the sensitive element of the pressure sensor.
- one end of the second shaft seat is bent to form a folding arm, and the folding arm is adjacent to an end of the second shaft seat and extends in a direction away from the second shaft seat to form a tray, and the tray is provided with the air inlet a venting hole communicating with the air inlet passage and surrounding the venting hole to form a receiving groove, the sealing gasket being disposed in the receiving groove.
- One of the side plates is provided with a glue injection hole, and a gap is formed between the glue injection hole and the top surface and the bottom surface of the circuit board.
- the glue injection hole is disposed on a side plate away from the first stud.
- FIG. 1 is a perspective view of a tire pressure gauge of the present invention
- FIG. 2 is a perspective view of another perspective view of the tire pressure gauge shown in FIG. 1;
- FIG. 3 is an exploded view of the tire pressure gauge shown in FIG. 1;
- FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
- FIG. 5 is an enlarged view of the A portion shown in FIG. 4;
- Figure 6 is a perspective view of the metal connector of the present invention.
- FIG. 7 is a structural view of the housing of the tire pressure gauge of the present invention assembled with a metal connecting member, wherein the cover is omitted And the folding arm of the metal connector.
- FIGS. 1 to 7 collectively illustrate a tire pressure gauge 100 of the present invention for mounting on a hub of an automobile to detect air pressure in the tire and transmit a signal indicative of pressure to the space as a tire pressure.
- Display device receives and displays
- the tire pressure gauge 100 includes a tire pressure gauge main body 1 and a valve assembly 2 pivotally coupled to the tire pressure gauge main body 1.
- the tire pressure gauge main body 1 includes a housing 10, a PCB assembly 12 disposed in the housing 10, a battery 13 and a metal connecting member 5 partially extending from the housing 10.
- the battery 13 supplies power to the PCB assembly 12 (i.e., the battery 13 supplies power to the tire pressure gauge body 1).
- the housing 10 includes a bottom plate 104, a front panel 101, a rear panel 102, a pair of side panels 103 connecting the front panel 101 and the rear panel 102, and a cover for enclosing the housing 10.
- Cover plate 11 The bottom plate 104, the front panel 101, the rear panel 102, and the pair of side panels 103 collectively define an accommodation space for mounting the PCB assembly 12 and the battery 13.
- the outer side surface of the front panel 101 extends to form a first axle seat 105.
- an air intake hole 4 may be disposed on a suitable portion of the casing 10 such as the bottom plate 104.
- the metal connecting member 5 includes a second shaft seat 51 fixed on the front panel 101 and corresponding to the first shaft seat 051, and one end from the second shaft seat 51.
- a folded arm 52 formed by bending, a tray 54 extending transversely from the end of the folding arm 52 adjacent to the second shaft seat 51 and extending in a direction away from the second shaft seat 51, and a lateral direction from the end of the folding arm 52
- a metal spacer 53 is formed extending away from the direction of the second shaft base 51.
- the first shaft hole 1055 is evenly disposed on the two shaft seats; and the swing between the two shaft seats is defined Slot 111.
- the valve assembly 2 has a swinging head 21 provided with a second shaft hole 215 and disposed in the swing groove 111 and rotating relative to the swing groove 111.
- a screw 3 passes through a first shaft hole 1055, a second shaft hole 215 and another first shaft hole 1055 in sequence, and then the screw 3 is connected with a nut (not shown), thereby realizing the tire pressure gauge main body 1 and the The pivoting of the valve assembly 2 is performed, and the valve nozzle rod is rotatable around the screw 3, thereby achieving an adjustable angle between the valve nozzle rod of the tire pressure gauge and the tire pressure gauge main body 1 to meet different
- the use of tires on the rim mounting surface requires high versatility.
- the second shaft base 51 is provided with a first stud 51 2 at a position surrounding the first shaft hole 1055 thereof, and the screw 3 sequentially passes through the first shaft hole of the first shaft base 105.
- the first shaft hole 1055 of the second shaft hole 215 and the second shaft seat 515 is connected to the first stud 512. Since the first stud 512 is a metal member, the connection between the tire pressure gauge main body 1 and the valve assembly 2 is stabilized and has good wear resistance.
- the PCB assembly 12 includes a circuit board 120, a pressure sensor 122, an antenna 123, and a control circuit (not labeled) both disposed on the circuit board 120.
- the pressure sensor 122 is configured to detect a pressure of a gas entering the interior of the casing 10 from the inside of the tire via the intake hole 4, and output a pressure signal indicative of the air pressure in the tire to the control circuit, the pressure Signals are transmitted into the space via the antenna for reception and display by the tire pressure display device.
- the pressure sensor 122, the antenna 123 and the control circuit in the PCB assembly 12 are all disposed on the bottom surface of the circuit board 120, and the battery 13 is disposed on the top surface of the circuit board 120. And the battery 13 is electrically connected to the circuit and the element by a pair of battery pressing pieces 14, so that the space pressure in the longitudinal direction of the casing 10 is converted into space utilization in the height direction, thereby effectively reducing the tire pressure.
- the lateral dimensions of the meter Preferably, the battery tab 14 is soldered to the battery 13, and the free ends (non-welded ends) of the two battery pads 14 are screwed to the circuit board 120.
- the air inlet hole 4 is disposed on the bottom plate 104, and the pressure sensor 122 is disposed between the bottom plate 104 and the circuit board 120.
- the bottom plate 104 forms a boss 1042 near the rear panel 102 (see FIG. 7), and the inner side wall of the boss 1042 and the front panel 101 together define a circuit board 120 and a pressure sensor 122.
- the bayonet stuck in it (not labeled).
- the circuit board 120 is respectively provided with a fixing hole at a position near the two corner ends of the front panel 101 at its front end (see FIG. 3 and FIG. 4, not labeled, the same below), and the bottom plate 104 is A second stud 1041 (see FIGS. 4, 5, 7) is provided at each of the two fixing holes at a corresponding position, by means of a screw 18 that passes through the fixing hole and is screwed to the corresponding second stud 1041.
- the circuit board 120 is mounted on the bottom plate 104 to enhance the fixing effect of the circuit board 120.
- the boss 1042 and defining the card slot 120 by the boss 1042 and the front panel 101 it is only necessary to design a fixing hole at the front end of the circuit board 120, without additionally requiring the circuit board 120.
- the rear end design fixing hole has a better fixing effect, and on the one hand, the size of the circuit board 120 can be reduced (further reducing the volume of the tire pressure gauge main body 1), which is advantageous for miniaturization of the tire pressure gauge 100; Can reduce the difficulty of design and production. In addition, due to material savings (such as screws and second studs), costs can be reduced to a certain extent.
- the front panel 51 of the metal connector 5 is partially overmolded in the front panel 101, and the folding arm 52, the tray 54 and the metal spacer 53 are disposed. Inside the housing 10.
- the metal gasket 53 is provided with a through hole 532 (not labeled) at a position corresponding to the hole position of the second stud 1041, so that the screw 18 sequentially passes through the fixing hole of the circuit board 120, the metal pad.
- the through hole 532 of the sheet 53 is connected to the second stud 1041.
- the antenna 123 is disposed on the bottom surface of the circuit board 120.
- the antenna 123 is embodied as a pad 123 disposed on the bottom surface of the circuit board 120.
- the pad 123 is in electrical contact with the metal pad 53.
- the signal representing the tire air pressure data can be transmitted to the outside of the tire through the land 123, the metal spacer 53, the folding arm 52, the second shaft base 51, and the valve assembly 2 in sequence.
- the antenna 123 since the antenna 123 is not made of a wire, it is no longer necessary to reserve a large amount of space for the antenna wiring in the casing 10, thereby saving the installation space in the casing, thereby reducing the size of the tire pressure gauge 100.
- the pad 123, the metal pad 53 , the folding arm 52, the second shaft seat 51 and the valve are metal parts, the impedance is small, the electric conductivity is good, the signal transmission quality is high, and the transmission distance is long.
- the metal spacer 53 is not integrally formed with the second shaft base 51.
- the metal spacer 53 is electrically connected to the second shaft base 51 through a wire. Achieve the purpose of conducting signals.
- the free end of the battery pellet 14 is screwed to the circuit board 120.
- the free end of the battery pressing piece 14 is provided with a through hole (not labeled, the same below), and the battery pressing piece 14 extends to a position where the through hole thereof coincides with the fixing hole to pass the screw 18
- the through hole of the battery pressing piece 14 and the fixing hole of the circuit board 120 are connected to the second stud 1041.
- the pressure sensor 122 is disposed on the circuit board 120 at a position corresponding to the air inlet hole 4, and the air inlet hole 4 and the pressure sensor 122 A gasket 17 is provided therebetween, and the gasket 17 forms an intake passage between the intake hole 4 and the sensitive element of the pressure sensor 122, so that air in the tire can enter the casing 10 through the intake hole 4, and Inductive for sensitive components through the air intake channel.
- the gasket 17 can seal the tire pressure gauge 100 to prevent air from entering the non-sensing area inside the tire pressure gauge through the gap between the intake passage and the intake hole 4 and the sensitive element, preventing air from being in the air.
- the moisture corrodes other components in the tire pressure gauge and prevents high pressure air from damaging other components.
- the tray 54 of the metal connecting member 5 is provided with a venting hole 542 communicating with the air inlet hole 4 and the air inlet passage, and a receiving groove is formed on the tray 54 around the venting hole 542 ( Not shown), the gasket 17 is placed in the receiving groove, that is, the gasket 17 is interposed between the tray 54 and the pressure sensor 122.
- the metal connector 5 is partially covered in the housing 10 (ie, the folding arm 52 of the metal connector 5 is wrapped in the front panel of the housing 10), the metal connector 5 and the housing The body 10 is more tightly connected, firm, and airtight.
- one of the side plates 103 is provided with a glue injection hole 19 through which the glue is injected into the tire pressure gauge housing 10, thereby discharging the air inside the housing 10, thereby avoiding Water vapor in the air corrodes circuit components.
- the glue injection hole 19 and the top surface and the bottom surface of the circuit board 120 respectively form corresponding gaps, so that the package glue can be injected into the top surface and the bottom space of the circuit board 120 through the gaps respectively. Further, it is possible to avoid the defect that the air cannot be discharged from the one side of the circuit board 120. In addition, by injecting glue into the top surface and the bottom surface of the circuit board 120 through the glue hole 19, the exhaust enthalpy can be saved and the efficiency can be improved.
- the glue injection hole 19 is disposed near the metal gasket 53, that is, the glue injection hole 19 is disposed on the side plate 103 away from the first stud 512, so as to facilitate the circuit board 120 with the screw 3.
- the casing 10 is fixed and the glue is injected into the casing 10 through the injection hole, so that the position of the casing does not need to be changed, which is advantageous for the production line operation, which facilitates production and improves efficiency.
- the metal connecting member 5 is formed by the metal gasket 53, the folding arm 52, the tray 54 and the second shaft seat 51, the antenna channel, the valve fixing and the rotating bracket are integrated.
- Air inlet The function of the channel makes the structure of the tire pressure gauge 100 more compact and reasonable, which is beneficial to reduce the volume of the tire pressure gauge.
- the metal connecting member 5 is mounted to the casing 10, that is, the metal connecting member 5 is placed in the mold forming casing.
- venting holes 542 in the tray 54 of the metal connector 5 are used to position the connector 5 on the mold to facilitate injection molding of the housing 10.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16795216.7A EP3178675A1 (en) | 2015-10-12 | 2016-01-18 | Tyre pressure gauge |
US15/306,322 US20170267038A1 (en) | 2015-10-12 | 2016-01-18 | Tire pressure gauge |
KR1020167034850A KR20170059919A (ko) | 2015-10-12 | 2016-01-18 | 타이어 압력 게이지 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510658611.XA CN105196806B (zh) | 2015-10-12 | 2015-10-12 | 胎压计 |
CN201510658611.X | 2015-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017063316A1 true WO2017063316A1 (zh) | 2017-04-20 |
Family
ID=54944912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2016/071195 WO2017063316A1 (zh) | 2015-10-12 | 2016-01-18 | 胎压计 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170267038A1 (zh) |
EP (1) | EP3178675A1 (zh) |
KR (1) | KR20170059919A (zh) |
CN (1) | CN105196806B (zh) |
TW (1) | TW201713519A (zh) |
WO (1) | WO2017063316A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200014203A (ko) * | 2018-07-31 | 2020-02-10 | 센사타 테크놀로지스, 인크 | 가변 각도 장착부를 갖는 타이어 압력 모니터 |
CN112326103A (zh) * | 2020-10-23 | 2021-02-05 | 亳州联岐医疗科技有限公司 | 一种气腹机耗气量测量装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105196806B (zh) * | 2015-10-12 | 2017-06-30 | 铁将军汽车电子有限公司 | 胎压计 |
US10775255B1 (en) * | 2016-06-24 | 2020-09-15 | Hopkins Manufacturing Corporation | Tip assembly for a tire pressure gauge |
US10286739B1 (en) * | 2016-06-24 | 2019-05-14 | Hopkins Manufacturing Corporation | Tip assembly for a tire pressure gauge |
CN107782614B (zh) * | 2016-08-31 | 2020-07-24 | 长城汽车股份有限公司 | 车辆构件刚度测试加载装置 |
EP3532318B1 (en) * | 2016-10-28 | 2021-06-16 | Apollo Tyres Ltd. | Variable installation angle tyre pressure monitoring system |
CN106965634B (zh) * | 2017-04-19 | 2019-07-16 | 铁将军汽车电子股份有限公司 | 胎压传感装置及汽车 |
WO2019175642A1 (en) * | 2018-03-16 | 2019-09-19 | Wheels India Limited | A tire pressure monitoring adapter for off-highway wheels |
DE102019119995A1 (de) | 2018-07-31 | 2020-02-06 | Sensata Technologies, Inc. | Reifendruckmonitor mit variabler winkelanbringung |
CN110103646B (zh) * | 2019-04-10 | 2021-11-16 | 深圳市永奥图电子有限公司 | 一种胎压监测装置 |
IT202000013402A1 (it) * | 2020-06-05 | 2021-12-05 | Wonder S P A | Valvola per il gonfiaggio di pneumatici dotata di sistema di regolazione per un sensore tpms |
US11760138B2 (en) | 2021-09-23 | 2023-09-19 | Wonder S.P.A. | Tire inflation valve equipped with adjusting system for a TPMS sensor |
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- 2016-01-18 KR KR1020167034850A patent/KR20170059919A/ko not_active Application Discontinuation
- 2016-01-18 US US15/306,322 patent/US20170267038A1/en not_active Abandoned
- 2016-01-18 WO PCT/CN2016/071195 patent/WO2017063316A1/zh active Application Filing
- 2016-09-13 TW TW105129865A patent/TW201713519A/zh unknown
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Cited By (4)
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KR20200014203A (ko) * | 2018-07-31 | 2020-02-10 | 센사타 테크놀로지스, 인크 | 가변 각도 장착부를 갖는 타이어 압력 모니터 |
KR102653714B1 (ko) | 2018-07-31 | 2024-04-01 | 센사타 테크놀로지스, 인크 | 가변 각도 장착부를 갖는 타이어 압력 모니터 |
CN112326103A (zh) * | 2020-10-23 | 2021-02-05 | 亳州联岐医疗科技有限公司 | 一种气腹机耗气量测量装置 |
CN112326103B (zh) * | 2020-10-23 | 2021-11-23 | 亳州联岐医疗科技有限公司 | 一种气腹机耗气量测量装置 |
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US20170267038A1 (en) | 2017-09-21 |
CN105196806B (zh) | 2017-06-30 |
TW201713519A (zh) | 2017-04-16 |
CN105196806A (zh) | 2015-12-30 |
KR20170059919A (ko) | 2017-05-31 |
EP3178675A1 (en) | 2017-06-14 |
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