TWM454940U - Wireless temperature and pressure sensor - Google Patents

Description

Wireless temperature and pressure sensor

This is a wireless temperature and pressure sensor, especially a wireless temperature and pressure sensor that measures the temperature and pressure of an instant, accurate gas, effectively transmits wireless signals and prevents signal attenuation. Various types of tires for vehicle tires.

The conventional wireless temperature and pressure sensor includes an air intake device, a bidirectional sleeve and a cover body; the air intake device is provided with an air intake seat body, and one end of the air intake seat body is connected to a vehicle tire The two-way sleeve has a partition portion, and has a first connecting portion and a second connecting portion respectively at opposite ends of the partition portion, the first connecting portion and the air receiving seat body The other end is connected to form a gas chamber, and the air chamber is provided with a tire pressure detecting device, wherein the tire pressure detecting device comprises a circuit board and a sensor disposed above the circuit board; and the second connecting portion And the cover body is connected to form an accommodating space for accommodating a power source. The wireless temperature and pressure sensor has the following disadvantages: 1. The wireless temperature and pressure sensor is attached to the circuit board. Soldering a metal contact, using a pressing circuit board to electrically connect the metal contact to the housing, completely using the housing as an antenna conductor, and using the air nozzle as an antenna, in addition to easily causing wireless signal attenuation, the metal is easily caused by the above application. Contact contact is poor, and if Oxidation or dirt on the mouth will affect the wireless signal transmission; Second, the sensor is located above the circuit board, and the air intake hole is located in the air intake body below the circuit board, and the gas must penetrate the circuit board to receive the sensor. Sensing, the measured value is not instantaneous and accurate; third, the power source is a battery housed in the groove of the second connecting portion and is located on both sides of the battery and is in contact with the electrodes of the battery Battery shrapnel, replace the battery When it is necessary to open the battery shrapnel with a pointed object, it is quite inconvenient in operation, and it is easy to cause damage to the battery and the battery shrapnel, deformation, or poor electrical contact.

In view of this, the creator is devoted to research and design, and can provide a wireless temperature and pressure sensor to increase the practicality and convenience of use, and is the creative motive for the creative research.

The main purpose of the present invention is to provide a wireless temperature and pressure sensor, wherein the sensing module corresponds to an intake perforation of the base, and the valve system is coupled to the intake perforation, and the valve can be directly detected. The gas is discharged from the body, and the temperature and pressure of the gas are measured immediately and accurately.

The second purpose of the present invention is to provide a wireless temperature and pressure sensor, wherein one end of the transmission antenna is placed in the antenna slot and electrically connected to the circuit board, and the transmission antenna is from the circuit board. The bottom extends to the base to form a stick-type antenna, and is electrically connected to the battery and the rim, thereby effectively transmitting wireless signals and preventing signal attenuation.

Another object of the present invention is to provide a wireless temperature and pressure sensor. The circuit board has a wireless transmission module capable of wireless reading and writing, and has a wireless reading and writing program.

Another object of the present invention is to provide a wireless temperature and pressure sensor, wherein the fixed socket has a semi-circular side wall, and the power supply module is disposed on the fixed socket, and has a power supply module. It is stable and easy to remove the battery for the convenience of replacement work.

A further object of the present invention is to provide a wireless temperature and pressure sensor, wherein an insulated rubber nut is coupled to the bottom end of the base. A close-fitting metal gasket has the effect of preventing theft, sealing and preventing leakage.

In order to achieve the above object, the present invention is a wireless temperature and pressure sensor, comprising: a housing, a valve body, a power supply module, a circuit board and a transmission antenna, the housing comprises a fixed slot seat, a base having a recess and a cover having a recess, the bottom of the fixed slot is combined with the base to form a plenum, and the base is combined with the cover to form an accommodating space, and the base has a a gas perforation and an intake groove connected to the underside of the intake perforation; the valve system is disposed in the intake groove, and the valve system is coupled to the intake perforation; the circuit board is disposed in the air chamber, and The circuit board is provided with a wireless transmission module, a sensing module and an antenna slot, and the circuit board is electrically connected to the wireless transmission module and the sensing module, and the sensing module is Corresponding to the air inlet and the perforation; the power supply module is disposed on the fixed socket, and the power supply module comprises a battery, a first conductive member and a second conductive member, and the first conductive member has one end One end of the second conductive member is electrically connected to the circuit board And the other end of the first conductive member and the other end of the second conductive member are respectively electrically connected to the two electrodes of the battery; one end of the transmitting antenna is received in the antenna slot and electrically connected to the circuit board The connection is made, and the transmission antenna extends downward from the circuit board to the base to form a stick antenna.

In this way, the wireless temperature and pressure sensor of the present invention has the ability to measure the temperature and pressure of the instant and accurate gas, effectively emit wireless signals and prevent signal attenuation and reduce the influence of microwaves of the circuit board or battery, and the battery is beneficial to the battery. Replace and prevent theft.

In order to further understand the features, features and technical contents of the present invention, please refer to the following detailed description of the present invention and the accompanying drawings, which are only for reference and description, and are not intended to limit the present invention.

As shown in Figures 1 to 4, the creation is a wireless temperature and pressure sensor attached to the nozzle of a vehicle tire to detect the temperature and pressure of the gas in the tire for the vehicle. To understand the use of tires to improve driving safety. The wireless temperature and pressure sensor includes a housing 10, a valve body 20, a power supply module 30, a circuit board 40, and a transmission antenna 50.

The housing 10 is connected to the air nozzle, and includes a fixing slot seat 11, a base 12 having a recess 122, and a cover 13 having a recess 131. The fixing slot 11 is plastic injection molding. The bottom of the fixing slot 11 has a circular side wall and is coupled with the base 12, and is combined with a plenum 15 in the interior. In this embodiment, a corresponding groove is formed in the bottom of the fixing slot 11 112, the corresponding groove 112 is formed in the circular side wall, and the outer side of the circular side wall has an external thread, and the top of the base 12 has a groove 122, and the inner wall surface of the groove 122 has an internal thread. And is coupled to the outer side of the circular side wall of the fixing slot 11 and abuts the corresponding recess 112 of the fixing slot 11 to form the air chamber 15, and in the inner wall surface of the recess 122 and the fixing slot 11 The joint between the outer sides of the circular side walls is coated with a bonding glue to increase the airtightness of the air chamber 15 to achieve complete airtightness to improve the accuracy of measurement; and the fixing slot 11 has a semicircular side wall 110 above. And the base 12 is combined with the cover 13 to form an accommodation in the interior. In the embodiment, the outer side of the base 12 has an external thread, and the cover 13 has a groove 131. The inner wall surface of the groove 131 has an internal thread and is screwed with the external thread of the base 12 to form a joint. The accommodating space 16 is further configured to have two conductive member through holes 111, and the two conductive member through holes 111 extend through the fixing slot base 11 and the base The 12 series has an air inlet opening 121 and an air inlet groove 123 connected to the lower side of the air inlet opening 121. Preferably, the fixing socket 11 is further combined with a sealing rubber ring 14 in the middle of the outer edge of the fixing slot 11 A groove is provided, and the sealant ring 14 is coupled into the groove, so that the accommodating space 16 is more sealed to prevent moisture from entering.

The valve body 20 is disposed in the air inlet groove 123, and one end of the valve body 20 is coupled to the air inlet hole 121.

The power supply module 30 is disposed on the fixed socket and is received in the accommodating space 16, and the power supply module 30 includes a battery 31, a first conductive member 32 and a second conductive member. 33. One end of the first conductive member 31 and one end of the second conductive member 32 are respectively inserted into the two conductive member through holes 111 of the fixing socket 11 and electrically connected to the circuit board 40, and the first conductive member The other end of the second conductive member 32 is electrically connected to the two electrodes of the battery 31, wherein the first conductive member 32 and the second conductive member 33 are respectively disposed on the battery 31. Up and down, and one end of the first conductive member 32 spans the battery 31 and is inserted into the conductive member through hole 111 of the fixed socket 11 , whereby the battery 31 is clamped to the first conductive member 32 and The second conductive member 33 is disposed on the fixing slot 11 of the fixing slot base 11. Since one side of the fixing slot seat 11 is a semi-circular sidewall 110, the mounting bracket 11 is above the fixing slot seat 11. The other opposite side forms a semi-circular notch to facilitate removal of the battery 31 for replacement work. In this embodiment, the first conductive member 32 has an outer ring 321 , two extending portions 322 and 323 , and a plurality of claw-shaped elastic pieces 324 protruding inwardly from the outer ring 321 . The battery 31 is downwardly resisted, and at least a large gap 3241 is formed between the claw-shaped elastic pieces 324 to facilitate the battery 31 to be removed and the battery 31 is taken out and replaced, and the two extending portions 322 and 323 are from the same. The opposite ends of the outer ring 321 are bent downwardly and extend across the The battery 31 has one of the extending portions 322 that is inserted into one of the fixing holes 11 of the fixing socket 11 and the other extending portion 323 has a hook 3231 and is fastened to one of the side walls of the fixing slot 11 On the buttonhole 117.

The circuit board 40 is disposed in the air chamber 15 , and the circuit board 40 is electrically connected to the first conductive member 32 and the second conductive member 33 , and the circuit board 40 is provided with a wireless transmission module 41 . A sensing module 42 and an antenna slot 43 are electrically connected to the wireless transmission module 41 and the sensing module 42. The sensing module 42 corresponds to the air intake hole 121, and the sensing module 42 transmits the detection value to the circuit board 40, and then sends the wireless signal through the antenna 50 through the wireless transmission module 41. . In this embodiment, the wireless transmission module 41 is disposed on the bottom side of the circuit board 40, and the sensing module 42 is disposed on the bottom side of the circuit board 40 and corresponds to the air intake hole 121, and the antenna slot 43 connects the wireless transmission module 41. The sensing module 42 is corresponding to the air inlet opening 121 of the base 12, and one end of the valve body 20 is coupled to the air inlet opening 121, so that the sensing module 42 directly detects the valve body 20 The gas is discharged and the temperature and pressure of the gas are measured immediately and accurately. Furthermore, the wireless transmission module 41 writes the control program to be updated to the sensing module 42 by wireless transmission, and can change the setting of the control program at any time, or read it by wireless transmission. Stored information.

The transmitting antenna 50 is disposed at one end of the antenna slot 43 and electrically connected to the circuit board 40. The transmitting antenna 50 extends downward from the circuit board 40 to the base 12 to form a stick antenna. Preferably, the junction of the transmitting antenna 50 and the antenna slot 43 is coated with a bonding glue to prevent air leakage. In this embodiment, the transmission antenna 50 is a metal conductor with a slight stick shape, but is not limited thereto. The transmitting antenna 50 is disposed on the antenna slot 43 of the circuit board 40 and is substantially perpendicular to the antenna The direction of the horizontal plane of the circuit board 40 extends downwardly against the base 12 to form a better electromagnetic field type with the power supply module 30, which can transmit wireless signals and prevent signal attenuation. That is, since the extending direction of the transmitting antenna 50 is substantially perpendicular to the horizontal direction of the circuit board 40 and the battery 30, the wireless transmission is less affected by the microwave generated by the operation of the circuit board 40 and the battery 30. Therefore, its wireless transmission effect is better, and its principle is the same as that of the general antenna system to make the transmission distance farther. Furthermore, the stick-shaped antenna has flexibility, so that when the vehicle body is operated to cause vibration, the transmitting antenna 50 can still absorb the vibration by its flexibility and still resist the base 12, thereby effectively improving the conventional knowledge. The problem that the metal contacts are easy to fall off and the contact is poor.

More preferably, the bottom end of the base 12 is further coupled with an insulating anti-theft nut 60, and a tight metal spacer 70 is disposed between the bottom end of the base 12 and the insulating anti-theft nut 60. The bottom end of the base 12 has an internal thread, and the bottom end of the insulating anti-theft nut 60 has a corresponding internal thread, and the corresponding internal thread and the internal thread of the bottom end of the base 12 are in the same spiral direction and correspondingly connected, so After the base 12 and the insulating anti-theft nut 60 are screwed and fixed to the air nozzle in the same spiral direction, the insulating anti-theft nut 60 is further screwed out in the opposite spiral direction, and the top surface of the insulating anti-theft nut 60 will withstand the The metal gasket 70 and the bottom surface of the base 12 are such that the base 12 is applied with an upward force to cause the internal thread of the base 12 to engage with the thread of the air nozzle, thereby making it difficult for the base 12 to be screwed outward. Moreover, the insulated anti-theft nut 60 has a special shape and must be unscrewed by a special hand tool, so that the thief cannot remove the wireless temperature and pressure sensor of the creation by hand to achieve the anti-theft function. Furthermore, in the embodiment, the close-fitting metal spacer 70 is an annular copper piece with a hole passing through the nozzle, and the bottom of the base 12 is placed on the bottom surface of the base 12 by the close-fitting metal spacer 70. And the insulation Between the top surfaces of the thimble nut 60, when the insulating anti-theft nut 60 is outwardly rotated to apply an upward force to the base 12, the force presses the close-fitting metal spacer 70 to substantially conform to the base. The groove between the bottom surface of the 12 and the top surface of the insulating anti-theft nut 60 can seal the gap between the bottom surface of the base 12 and the top surface of the insulating anti-theft nut 60 to achieve a tight bonding effect and penetrate the insulation. The anti-theft nut 60 covers the base 12 and the close-fitting metal gasket 70, which can effectively prevent the base 12 and the close-fitting metal gasket 70 from being oxidized, and the use period is longer.

The above is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the creation, and the equivalent structural changes that are made by using the present specification and the contents of the schema are all included in the creation. Within the scope of the rights, it is given to Chen Ming.

10‧‧‧shell

11‧‧‧Fixed seating

110‧‧‧Semi-circular side wall

111‧‧‧Perforated parts

112‧‧‧ corresponding groove

117‧‧‧ buttonhole

12‧‧‧Base

121‧‧‧Air intake piercing

122‧‧‧ Groove

123‧‧‧Air intake slot

13‧‧‧ Cover

131‧‧‧ Groove

14‧‧‧ Sealant ring

15‧‧‧ air chamber

16‧‧‧ accommodating space

20‧‧‧ valve body

30‧‧‧Power supply module

31‧‧‧Battery

32‧‧‧First conductive parts

321‧‧‧Outer Ring

322‧‧‧Extension

323‧‧‧Extension

3231‧‧‧ buckle

324‧‧‧ claw-shaped shrapnel

3241‧‧‧ Big gap

33‧‧‧Second conductive parts

40‧‧‧ boards

41‧‧‧Wireless Transmission Module

42‧‧‧Sensor module

43‧‧‧Antenna slot

50‧‧‧ Transmission antenna

60‧‧‧Insulated anti-theft nut

70‧‧‧Closed metal gasket

Figure 1 is a perspective view of the wireless temperature and pressure sensor of the present invention.

Figure 2 is an exploded view of the components of the wireless temperature and pressure sensor of the present invention.

Fig. 3 is a cross-sectional view taken along line A-A of Fig. 1.

Figure 4 is a perspective view of the power supply module of the wireless temperature and pressure sensor of the present invention disposed on the fixed socket.

11‧‧‧Fixed seating

110‧‧‧Semi-circular side wall

111‧‧‧Perforated parts

12‧‧‧Base

121‧‧‧Air intake piercing

13‧‧‧ Cover

14‧‧‧ Sealant ring

20‧‧‧ valve body

30‧‧‧Power supply module

31‧‧‧Battery

32‧‧‧First conductive parts

33‧‧‧Second conductive parts

40‧‧‧ boards

41‧‧‧Wireless Transmission Module

42‧‧‧Sensor module

43‧‧‧Antenna slot

50‧‧‧ Transmission antenna

60‧‧‧Insulated anti-theft nut

70‧‧‧Closed metal gasket

Claims (9)

A wireless temperature and pressure sensor includes: a housing comprising a fixed slot base, a base having a recess, and a cover having a recess, the lower portion of the fixed slot is combined with the base to form a gas And the base is combined with the cover to form an accommodating space, and the base has an intake perforation and an intake slot connected to the underside of the intake perforation; a valve body is disposed in the intake slot The valve system is coupled to the air intake perforation; a circuit board is disposed in the air chamber, and the circuit board is provided with a wireless transmission module, a sensing module and an antenna slot, and the The circuit board is electrically connected to the wireless transmission module and the sensing module, and the sensing module corresponds to the air intake perforation; a power supply module is disposed on the fixed slot, and the power supply The module includes a battery, a first conductive member and a second conductive member, and one end of the first conductive member and one end of the second conductive member are electrically connected to the circuit board, respectively, and the first conductive member The other end and the other end of the second conductive member are respectively associated with the battery An electrical connection of the electrode; and a transmission antenna, one end of the transmission antenna is disposed in the antenna slot and electrically connected to the circuit board, and the transmission antenna extends downward from the circuit board to the base to form a stick type antenna. The wireless temperature and pressure sensor of claim 1, wherein the transmission antenna extends downward in a direction substantially perpendicular to a horizontal plane of the circuit board. The wireless temperature and pressure sensor according to claim 1, wherein the fixing slot has a semicircular side wall above. Wireless temperature and pressure sensing as described in claim 1 The fixing slot is further combined with a sealant ring, and a groove is formed in an outer edge of the fixing slot, and the sealant ring is disposed in the groove. The wireless temperature and pressure sensor according to claim 1, wherein the fixing slot has two conductive members, and the first conductive member and the second conductive member are respectively inserted into the two conductive members. Connect the board. The wireless temperature and pressure sensor according to claim 1, wherein the first conductive member and the second conductive member are respectively disposed above and below the battery, and one end of the first conductive member is The board is connected across the battery. The wireless temperature and pressure sensor according to claim 1, wherein the bottom of the fixing slot is provided with a corresponding groove, and the groove of the base is coupled to the outer side wall of the fixing slot, and The corresponding grooves are butted to form the plenum. The wireless temperature and pressure sensor according to claim 1, wherein the bottom end of the base is further combined with an insulating anti-theft nut, the inner edge of the bottom end of the base has an internal thread, and the insulating anti-theft nut bottom The end system has a corresponding internal thread, and the corresponding internal thread has the same spiral direction as the internal thread of the bottom end of the base and correspondingly engages. The wireless temperature and pressure sensor according to claim 6, wherein a tight metal gasket is disposed between the bottom end of the base and the insulating anti-theft nut.