CN215449319U - Wireless induction tachometer - Google Patents
Wireless induction tachometer Download PDFInfo
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- CN215449319U CN215449319U CN202121754949.2U CN202121754949U CN215449319U CN 215449319 U CN215449319 U CN 215449319U CN 202121754949 U CN202121754949 U CN 202121754949U CN 215449319 U CN215449319 U CN 215449319U
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- tachometer
- electric control
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Abstract
The utility model relates to a wireless induction tachometer, which comprises a shell with a downward opening, and an electric control board, a display screen and a power supply which are arranged in the shell, wherein the display screen and the power supply are electrically connected with the electric control board; the display screen is fixedly arranged on the electric control board, and a sealing gasket is arranged on the periphery of the display screen; the shell is provided with an opening corresponding to the position where the display screen is arranged, a transparent panel capable of covering the opening is arranged between the shell and the display screen in a sealing mode, and the sealing gasket is bonded between the electric control plate and the transparent panel. The wireless induction tachometer is applied to severe working environment, does not need to capture signals through an electronic signal wire, and can directly induce a spark plug in a long distance.
Description
Technical Field
The utility model relates to a tachometer, in particular to a wireless induction tachometer.
Background
At present, a common tachometer in the market is mainly used for testing parameters such as the rotating speed, the accumulated working time, the voltage, the temperature and the like of gasoline engine equipment such as engineering vehicles, chain saws, motorboats and the like. The conventional tachometer can realize short-distance wireless transmission by connecting an electronic signal wire or enabling the electronic signal wire to be close to the tachometer, the other end of the electronic signal wire is bound on a spark plug through other modes such as a cable tie and the like, but under the condition of severe working environment, the electronic signal wire is easy to fall off or break, so that the acquired signal is inaccurate.
SUMMERY OF THE UTILITY MODEL
The first technical problem to be solved by the present invention is to provide a wireless induction tachometer with a long-distance direct induction spark plug, which can be applied to a severe working environment without capturing signals through an electronic signal line, aiming at the prior art.
The second technical problem to be solved by the present invention is to provide a wireless inductive tachometer which is convenient to install.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a wireless response tachometer, includes downwardly opening's casing, sets up automatically controlled board, display screen, the power in the casing, display screen, power all are connected its characterized in that with automatically controlled board electricity: a wireless signal receiver electrically connected with the electric control board is also arranged in the shell;
the display screen is fixedly arranged on the electric control board, and a sealing gasket is arranged on the outer periphery of the display screen; the shell is provided with a hole corresponding to the position where the display screen is arranged, a transparent panel capable of covering the hole is arranged between the shell and the display screen in a sealing mode, and the sealing gasket is bonded between the electric control plate and the transparent panel.
Preferably, the electric control board comprises a substrate, a single chip microcomputer and a memory which are arranged on the substrate, the memory, the display screen and the wireless signal receiver are all in electric signal connection with the single chip microcomputer, and the power supply is electrically connected with the single chip microcomputer through a power supply circuit;
the display screen is fixedly arranged above the substrate, and the top of the shell is provided with the opening; the power supply is fixedly arranged below the substrate, and the wireless signal receiver is fixed below the substrate and positioned on one side of the power supply.
In order to further improve the sealing performance, sealant is filled between the periphery of the substrate and the side wall of the shell.
The technical scheme adopted by the utility model for solving the second technical problem is as follows: the edge of automatically controlled board is connected with two piece at least cylinders, and each cylinder downwardly extending to the casing bottom surface, set up downwardly opening's screw hole along the axial in the cylinder.
In order to improve the signal strength, the column body is a metal column body, and the signal receiver is electrically connected with the column body.
In order to more conveniently fix the wireless induction tachometer, the bottom of the shell is covered and bonded with a double-sided rubber pad, and isolation paper is arranged on the outer surface of the double-sided rubber pad.
Preferably, the transparent panel is a PC panel.
Compared with the prior art, the utility model has the advantages that: the tachometer provided by the utility model can conveniently receive tachometer signals in the tested equipment by utilizing the wireless signal receiver on the electric control board, and has high working reliability. In addition, the structure of casing, transparent panel, sealed pad realizes effectively sealing to automatically controlled board, has effectively realized the waterproof protection of various electronic components in the automatically controlled board to realize the high waterproof performance of tachometer, satisfy the requirement of the high waterproof grade of tachometer, also let the working signal of automatically controlled board more stable simultaneously, even also can normally work under abominable operational environment, the user of being convenient for looks over machine behavior. In addition, the display screen is completely wrapped by the sealing gasket between the transparent panel and the electric control plate, the transparent panel can bear certain pressure, and the product pressure bearing capacity of the revolution meter is stronger.
Drawings
Fig. 1 is a perspective view of a wireless induction tachometer in an embodiment of the present invention.
Fig. 2 is another perspective view of the wireless induction tachometer according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view of a wireless induction tachometer in an embodiment of the present invention.
FIG. 4 is a cross-sectional view of another cross-section of a wireless induction tachometer in accordance with an embodiment of the present invention.
Fig. 5 is an exploded perspective view of a wireless induction tachometer in an embodiment of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 5, the wireless induction tachometer in the present embodiment includes a housing 1, an electronic control board 2, a display screen 3, a power source 4, and a wireless signal receiver 5.
Wherein casing 1 downward opening has the installation cavity in this casing 1, and automatically controlled board 2, display screen 3, power 4 and wireless signal receiver 5 set up in the installation cavity of casing 1.
The electric control board 2 comprises a substrate, and a single chip microcomputer and a memory which are arranged on the substrate, wherein the memory, the display screen 3 and the wireless signal receiver 5 are all in electric signal connection with the single chip microcomputer, and the power supply 4 is electrically connected with the single chip microcomputer through a power supply circuit. The power source 4 can be a rechargeable battery, a charging circuit corresponding to the rechargeable battery is correspondingly arranged on the substrate, and a corresponding charging port is arranged on the shell 1, so that the rechargeable battery can be conveniently charged.
The display screen 3 is fixedly arranged above the substrate, the position, corresponding to the display screen 3, of the top of the shell 1 is provided with a hole 11, and information displayed on the display screen 3 is observed through the hole 11. The power source 4 is fixedly arranged below the substrate, and the wireless signal receiver 5 is fixed below the substrate and positioned at one side of the power source 4.
The wireless induction tachometer is mainly used for testing devices such as engineering vehicles, chain saws, motorboats and the like, and the devices have severe working environment and high waterproof requirements. In this embodiment, a transparent panel 7 capable of covering the opening 11 is hermetically provided between the housing 1 and the display screen 3, and the transparent panel 7 in this embodiment is a PC panel. The PV panel has certain strength and can bear certain pressure, so that the product pressure bearing capacity of the tachometer is stronger. In this embodiment, the transparent panel 7 is bonded to the inner surface of the top wall of the housing 1 by UV glue, so that the sealing property between the housing 1 and the transparent panel 7 can be ensured.
The periphery of the display screen 3 is provided with a sealing gasket 6, and the sealing gasket 6 is bonded between the electric control board 2 and the transparent panel 7. And sealant is filled between the periphery of the substrate and the side wall of the shell 1. Can form sealed between automatically controlled board 2 and the casing 1 like this, sealed 6, the transparent panel 7 of filling up have realized the parcel to display screen 3 simultaneously, have realized waterproof sealing to display screen 3 promptly.
In addition, the edge of the electric control board 2 is connected with at least two columns 8, the electric control board 2 in the embodiment is rectangular, each corner of the electric control board 2 is provided with one column 8, the outer wall of the upper end of each column 8 is of a threaded structure, and each main body is fixed on the electric control board 2 through nuts. Each column 8 extends downwards to the bottom surface of the shell 1, and a threaded hole (81) with a downward opening is formed in each column 8 along the axial direction. When in use, the column body 8 can be directly arranged in the tested device for use. In addition, the cylinder 8 can adopt a metal cylinder 8, the signal receiver is electrically connected with the cylinder 8, and in the implementation, the two ends of the cylinder 8 are connected with the signal receiver, so that the signal transmission strength of the signal receiver can be enhanced, and the signal transmission distance is prolonged.
In addition, a double-sided rubber mat 9 can be covered and bonded at the bottom of the shell 1, and isolation paper is arranged on the outer surface of the double-sided rubber mat 9. During the use, tear the barrier paper, then utilize two-sided cushion 9 can directly use the arbitrary position of installing wireless response tachometer bonding in equipment under test, it is very convenient to install.
During the use, the singlechip passes through wireless receiver and acquires the rotational speed timing signal on the equipment under test, then carries out the demonstration of information through display screen 3.
The tachometer provided by the utility model can conveniently receive tachometer signals in the tested equipment by utilizing the wireless signal receiver 5 on the electric control board 2, and has high working reliability. In addition, the structure of casing 1, transparent panel 7, sealed 6 realizes effectively sealing to automatically controlled board 2, has effectively realized the water proof protection of various electronic components in automatically controlled board 2 to realize the high waterproof performance of tachometer, satisfy the requirement of the high waterproof grade of tachometer, also let the operating signal of automatically controlled board 2 more stable simultaneously, even also can normally work under abominable operational environment, the user of being convenient for looks over machine behavior. In addition, the display screen 3 is completely wrapped by the sealing gasket 6 between the transparent panel 7 and the electric control plate 2 in a sealing mode, and the transparent panel 7 can bear certain pressure, so that the pressure bearing capacity of the product of the tachometer is higher.
Claims (7)
1. The utility model provides a wireless response tachometer, includes downwardly opening's casing (1), sets up automatically controlled board (2), display screen (3), power (4) in casing (1), display screen (3), power (4) all are connected its characterized in that with automatically controlled board (2) electricity: a wireless signal receiver (5) electrically connected with the electric control board (2) is also arranged in the shell (1);
the display screen (3) is fixedly arranged on the electric control board (2), and a sealing gasket (6) is arranged on the outer periphery of the display screen (3); the display screen is characterized in that a hole (11) is formed in the position, corresponding to the display screen (3), of the shell (1), a transparent panel (7) capable of covering the hole (11) is arranged between the shell (1) and the display screen (3) in a sealing mode, and the sealing gasket (6) is bonded between the electric control plate (2) and the transparent panel (7).
2. The wireless induction tachometer of claim 1, wherein: the electric control board (2) comprises a substrate, a single chip microcomputer and a memory, wherein the single chip microcomputer and the memory are arranged on the substrate, the memory, the display screen (3) and the wireless signal receiver (5) are all in electric signal connection with the single chip microcomputer, and the power supply (4) is electrically connected with the single chip microcomputer through a power supply circuit;
the display screen (3) is fixedly arranged above the substrate, and the top of the shell (1) is provided with the opening (11); the power supply (4) is fixedly arranged below the substrate, and the wireless signal receiver (5) is fixed below the substrate and located on one side of the power supply (4).
3. The wireless induction tachometer of claim 2, wherein: and sealant is filled between the periphery of the substrate and the side wall of the shell (1).
4. A wireless induction tachometer according to any one of claims 1 to 3, wherein: the edge of automatically controlled board (2) is connected with two piece at least cylinders (8), and each cylinder (8) downwardly extending to casing (1) bottom surface, screw hole (81) of downward open-ended are seted up along the axial in cylinder (8).
5. The wireless induction tachometer of claim 4, wherein: the cylinder (8) is a metal cylinder (8), and the signal receiver is electrically connected with the cylinder (8).
6. A wireless induction tachometer according to any one of claims 1 to 3, wherein: the bottom of the shell (1) is covered with a double-sided rubber mat (9), and isolation paper is arranged on the outer surface of the double-sided rubber mat (9).
7. A wireless induction tachometer according to any one of claims 1 to 3, wherein: the transparent panel (7) is a PC panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121754949.2U CN215449319U (en) | 2021-07-29 | 2021-07-29 | Wireless induction tachometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121754949.2U CN215449319U (en) | 2021-07-29 | 2021-07-29 | Wireless induction tachometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215449319U true CN215449319U (en) | 2022-01-07 |
Family
ID=79685509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121754949.2U Active CN215449319U (en) | 2021-07-29 | 2021-07-29 | Wireless induction tachometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215449319U (en) |
-
2021
- 2021-07-29 CN CN202121754949.2U patent/CN215449319U/en active Active
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