CN217787124U - Speed sensor skeleton assembly and speed sensor - Google Patents
Speed sensor skeleton assembly and speed sensor Download PDFInfo
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- CN217787124U CN217787124U CN202221538261.5U CN202221538261U CN217787124U CN 217787124 U CN217787124 U CN 217787124U CN 202221538261 U CN202221538261 U CN 202221538261U CN 217787124 U CN217787124 U CN 217787124U
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- speed sensor
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Abstract
The utility model discloses a speedtransmitter skeleton assembly, include: the first end of the framework is provided with a chip mounting port for mounting a chip; the signal output part is arranged in the framework and extends outwards from the second end of the framework, and the signal output part is used for being electrically connected with the chip; the signal output part comprises a power supply end, and a protective resistor is connected in series between the power supply end and the chip. The influence of the overlarge voltage of the engine on the speed sensor can be avoided. The present application further provides a speed sensor.
Description
Technical Field
The utility model relates to a speedtransmitter field, in particular to speedtransmitter skeleton assembly and speedtransmitter.
Background
The engine speed sensor is used for judging the current state of the system according to a feedback signal by acquiring the rotating speed of the engine and the accurate angle position of the crankshaft, converting the rotating speed of the engine and the accurate angle position of the crankshaft into an electric signal and outputting the electric signal. Specifically, the control computer judges the running state by using the input signal and sends an instruction to control the idling of the engine by detecting the speed of the electrically controlled automobile and converting a specific speed signal into an electric signal to be transmitted to the core control computer of the automobile.
In actual use, however, the motor occasionally has instantaneous excessive voltage, which causes irreversible damage to the chip receiving data on the speed sensor, and greatly influences the service life of the chip and data transmission.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve current speedtransmitter when detecting engine speed, thereby because the engine can appear transient voltage too big occasionally and cause the damage to the chip on the speedtransmitter and influence the life of chip. The utility model provides a speedtransmitter skeleton assembly and speedtransmitter can avoid the too big influence to speedtransmitter of voltage of engine.
In order to solve the technical problem, an embodiment of the utility model discloses a speedtransmitter skeleton assembly, include:
the first end of the framework is provided with a chip mounting port for mounting a chip;
the signal output part is arranged in the framework and extends outwards from the second end of the framework, and the signal output part is used for being electrically connected with the chip;
the signal output part comprises a power supply end, and a protective resistor is connected in series between the power supply end and the chip.
By adopting the technical scheme, the influence of overlarge voltage of the engine on the speed sensor can be avoided.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a caulking groove has been seted up to one side that the skeleton is close to the power end, and protection resistance installs in the caulking groove.
By adopting the technical scheme, the protection can be prevented from being exposed outside the framework.
According to another embodiment of the present invention, an embodiment of the present invention discloses a signal output portion further comprising a signal terminal and a ground terminal, wherein the signal terminal and the ground terminal are electrically connected to the chip respectively.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a still include pull-up resistance, and pull-up resistance's both ends are connected with signal end and power end electricity respectively.
By adopting the technical scheme, the signal level can be clamped at a high level.
According to the utility model discloses a still include the fixed part of making by insulating material, pull-up resistance installs in the fixed part according to another embodiment of the utility model.
By adopting the technical scheme, the pull-up resistor can be fixed.
According to another embodiment of the present invention, an embodiment of the present invention discloses a second end setting with a fixing portion close to the frame, wherein the signal output portion is passed through and extends out of the fixing portion after the second end of the frame extends out.
According to another embodiment of the present invention, an embodiment of the present invention discloses a mounting groove is formed at the top of the fixing portion, and the pull-up resistor is disposed in the mounting groove;
wherein, the mounting groove is provided with an opening with the junction of the signal end and the power end.
By adopting the technical scheme, the pull-up resistor can be protected, and the pull-up resistor is prevented from shaking.
According to another embodiment of the present invention, an embodiment of the present invention discloses that the signal output part is a pin.
The utility model discloses an embodiment still discloses a speedtransmitter, include:
the outer side wall of the shell is provided with an annular sealing groove, and a sealing ring is arranged in the annular sealing groove;
in the speed sensor skeleton assembly in the above description, the speed sensor skeleton assembly is disposed in the housing;
the mounting plate is arranged on the outer wall of the shell;
the annular sealing groove is arranged close to the joint of the mounting plate and the shell.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses one kind still includes:
the inserting shell is arranged on one side, back to the outer shell, of the installing plate, an accommodating groove is formed in the inserting shell, and one end of the signal output portion is arranged in the accommodating groove.
Drawings
Fig. 1 is a schematic structural view of a speed sensor skeleton assembly according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a speed sensor according to an embodiment of the present invention.
Detailed Description
The following description is given for illustrative embodiments of the invention, and other advantages and effects of the invention will be apparent to those skilled in the art from the disclosure of the present invention. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover alternatives or modifications as may be included in the appended claims. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details are omitted from the description so as not to obscure or obscure the focus of the present invention. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the present embodiment can be understood as specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the present application provides a speed sensor skeleton assembly comprising:
a framework 1, a first end of which is provided with a chip mounting port for mounting a chip;
the signal output part 2 is arranged in the framework 1 and extends out of the second end of the framework 1, and the signal output part 2 is used for being electrically connected with the chip;
the signal output part 2 comprises a power supply end 21, and a protective resistor 3 is connected in series between the power supply end 21 and the chip.
In the embodiment, a speed sensor framework with a protection resistor is provided, a chip is used for detecting the data of the rotating speed and the accurate angle position of a crankshaft of an engine and converting the data into an electric signal to be transmitted to a vehicle-mounted controller through a signal output part 2, the signal output part 2 extends outwards from a second end of the framework 1 and is used for transmitting the data of the rotating speed and the like of the automobile engine to the vehicle-mounted controller, the chip is damaged due to the fact that the voltage of the engine is excessively large occasionally, the chip is damaged due to the fact that the current of the chip is excessively large, a power supply end 21 of the signal output part 2 is connected with the protection resistor 3 in series, the larger the resistor is, the higher the voltage dividing capability is, the voltage left to other elements is smaller, therefore, the voltage provided by the engine is divided through the protection resistor 3, the voltage flowing into the chip is reduced, the chip is protected, and the resistance value of the protection resistor can be selected according to specific requirements. Usually, the chip adopts a Hall chip which has a self-regulation function, and the protective resistor divides the voltage of the voltage end without influencing the normal use of the chip.
Optionally, one side of the framework 1 close to the power end 21 is provided with a caulking groove 11, and the protection resistor 3 is installed in the caulking groove 11.
In this embodiment, the caulking groove 11 is formed on one side of the frame 1, and the caulking groove 11 is formed according to the specification of the protection resistor 3, and is used for installing the protection resistor 3 in the caulking groove 11, so that the protection resistor 3 is not directly exposed outside the frame 1, thereby reducing the vibration during use, and enabling the protection resistor 3 to be better connected with the power source end 21 without disconnecting the connection between the protection resistor 3 and the power source end 21 due to long-time use.
Optionally, the signal output part 2 further includes a signal terminal 22 and a ground terminal 23, and the signal terminal 22 and the ground terminal 23 are electrically connected to the chip respectively. The circuit also comprises a pull-up resistor 4, and two ends of the pull-up resistor 4 are respectively electrically connected with the signal end 22 and the power end 21.
In this embodiment, two ends of the pull-up resistor 4 are electrically connected to the signal terminal 22 and the power supply terminal 21, respectively, and the pull-up resistor 4 is arranged to clamp the signal level at a high level, so that the signal transmitted from the signal terminal 22 to the chip is stronger, and the transmitted data is more accurate.
Optionally, the pull-up circuit further includes a fixing portion 5 made of an insulating material, and the pull-up resistor 4 is mounted in the fixing portion 5. The fixing portion 5 is arranged close to the second end of the framework 1, and the signal output portion 2 penetrates through and extends out of the fixing portion 5 after extending out of the second end of the framework 1.
In this embodiment, set up fixed part 5 near the second end of skeleton 1, signal output part 2 passes and stretches out fixed part 5 after outwards stretching out by skeleton 1 second end and makes fixed part 5 can be with power end 21, signal end 22 and the partial cladding of earthing terminal 23, fixed part 5 adopts insulating material to make, can avoid pull-up resistance 4 and earthing terminal 23 contact, pull-up resistance 4 installs and can prevent to shake when pull-up resistance 4 uses in fixed part 5, avoid it and signal end 22 and power end 21 contact failure.
Optionally, the top of the fixing part 5 is provided with an installation groove 51, and the pull-up resistor 4 is arranged in the installation groove 51;
wherein, the connection between the mounting groove 51 and the signal terminal 22 and the power terminal 21 is opened.
In this embodiment, the mounting groove 51 has the same specification as the pull-up resistor 4, so that the pull-up resistor 4 can be fixed in the mounting groove 51 without vibration, and the connection between the mounting groove 51 and the signal terminal 22 and the power terminal 21 is provided with an opening, so that the pull-up resistor 4 can be connected with the signal terminal 22 and the power terminal 21 through the opening, and the contact effect is better.
Alternatively, the signal output part 2 may be a cable line including a signal line, a ground line, and a power line, the protection resistor is connected in series with the power line and the chip, and the pull-up resistor is connected in parallel with the signal line and the power line.
Optionally, the signal output part 2 is a pin.
In this embodiment, replace the cable conductor through using the contact pin, peg graft the car through the contact pin and be connected with the pencil connector and give vehicle-mounted controller through pencil transmission data, can be under the unchangeable condition of vehicle bearing, system, can use same fast sensor of wheel by the multi-vehicle type, only need according to vehicle body chassis adjustment pencil, effectively improve the part standardization level.
As shown in fig. 2, the utility model discloses an embodiment still discloses a speed sensor, include:
the outer wall of the shell 6 is provided with an annular sealing groove 61, and a sealing ring 7 is arranged in the annular sealing groove 61;
and the speed sensor skeleton assembly in the above embodiment, the speed sensor skeleton assembly is disposed in the housing 6;
the mounting plate 8 is arranged on the outer wall of the shell 6;
wherein, the annular seal groove 61 is arranged close to the joint of the mounting plate 8 and the shell 6.
In the embodiment, a speed sensor is provided with a shell 6, a sealing groove 61 is formed in the outer side wall of the shell 6, a sealing ring 7 is arranged in the sealing groove 61, when the sealing ring 7 is mounted in a sensor mounting hole on a vehicle body, blocking oil stains or other dirty substances enter or seep out through the sensor mounting hole, the service life of the sensor is influenced, and the sealing ring 7 can also tightly limit the sensor in the sensor mounting hole.
Optionally, the top of the annular sealing groove 61 is further provided with a limiting part.
The limiting portion is arranged along the radial extension of the annular sealing groove 61, and the limiting portion is provided with a plurality of limiting portions and distributed in the circumferential direction of the annular sealing groove 61.
In this embodiment, the limiting portion is a plurality of sheet-shaped protrusions, and the limiting portion is disposed in the circumferential direction of the sealing groove 61, and in this embodiment, two limiting portions are disposed along the upper and lower sides of the sealing groove 61 shown in the figure. The limiting part can limit the sealing ring 7 in the sealing groove 61, and the situation that the sealing ring 7 falls off from the sealing groove 61 and the effect of the sealing ring 7 is lost when the sensor is installed or the vehicle runs due to bumping is avoided.
Optionally, the speed sensor of the present application further includes:
and an insertion case 9 provided on the opposite side of the mounting plate 8 with respect to the housing 6, wherein an accommodation groove is formed in the insertion case 9, and one end of the signal output unit 2 is provided in the accommodation groove.
In this embodiment, the other end of the signal output part 2, which penetrates and extends out of the through hole, is disposed in the accommodating groove of the insertion shell 9, and the insertion shell 9 is used for being inserted into a vehicle and connected with a wiring harness connector and transmitting data to a vehicle-mounted controller through a wiring harness.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the invention, and it is not intended to limit the invention to the specific embodiments described. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A speed sensor skeleton assembly, comprising:
the first end of the framework is provided with a chip mounting port for mounting a chip;
the signal output part is arranged in the framework and extends outwards from the second end of the framework, and the signal output part is used for being electrically connected with the chip;
the signal output part comprises a power supply end, and a protective resistor is connected in series between the power supply end and the chip.
2. The speed sensor skeleton assembly of claim 1, wherein a caulking groove is formed on a side of the skeleton adjacent to the power end, and the protection resistor is installed in the caulking groove.
3. The speed sensor hub assembly of claim 1, wherein the signal output portion further comprises a signal terminal and a ground terminal, the signal terminal and the ground terminal being electrically connected to the chip, respectively.
4. The speed sensor skeleton assembly of claim 3, further comprising a pull-up resistor having ends electrically connected to the signal terminal and the power terminal, respectively.
5. The velocity sensor skeleton assembly according to claim 4, further comprising a fixing portion made of an insulating material, wherein the pull-up resistor is mounted in the fixing portion.
6. The speed sensor frame assembly of claim 5, wherein the anchor portion is disposed proximate the second end of the frame, and wherein the signal output portion extends outwardly from the second end of the frame through and beyond the anchor portion.
7. The velocity sensor skeleton assembly of claim 6, wherein a mounting groove is defined in a top of the securing portion, the pull-up resistor being disposed within the mounting groove;
wherein, the mounting groove with the signal end with the junction of power end is seted up the opening.
8. The speed sensor hub assembly of any of claims 1-7, wherein the signal output is a pin.
9. A speed sensor, comprising:
the outer side wall of the shell is provided with an annular sealing groove, and a sealing ring is arranged in the annular sealing groove;
the speed sensor skeleton assembly of any of claims 1-8, disposed within the housing;
the mounting plate is arranged on the outer wall of the shell;
the annular sealing groove is arranged close to the joint of the mounting plate and the shell.
10. The speed sensor of claim 9, further comprising:
the inserting shell is arranged on one side, back to the shell, of the mounting plate, an accommodating groove is formed in the inserting shell, and one end of the signal output portion is arranged in the accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221538261.5U CN217787124U (en) | 2022-06-17 | 2022-06-17 | Speed sensor skeleton assembly and speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221538261.5U CN217787124U (en) | 2022-06-17 | 2022-06-17 | Speed sensor skeleton assembly and speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217787124U true CN217787124U (en) | 2022-11-11 |
Family
ID=83934287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221538261.5U Active CN217787124U (en) | 2022-06-17 | 2022-06-17 | Speed sensor skeleton assembly and speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217787124U (en) |
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2022
- 2022-06-17 CN CN202221538261.5U patent/CN217787124U/en active Active
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