Force sensing device of vehicle brake, vehicle brake and vehicle

Abstract

The utility model provides a force sensing device of a vehicle brake, the vehicle brake and a vehicle, the force sensing device comprises a force sensor, one end face of the force sensor is provided with a spring protruding outwards, and the spring is used for providing electric connection; the circuit board is provided with an electric interface for inserting an electric needle; the connecting piece comprises an electric needle and an insulating part, the insulating part wraps the electric needle, the first end of the electric needle extends out of the insulating part to be connected with the circuit board in an inserted mode, the second end of the electric needle is exposed at the end of the insulating part and horizontally extends to form an electric contact, and the spring of the force sensor abuts against the electric contact to be electrically connected with the connecting piece. According to the force sensing device provided by the utility model, the stable electric connection of the force sensor is realized through the arrangement of the connecting piece, the assembly process of brake parts is simplified, the batch automatic assembly is convenient, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the spare part structure of vehicle brake, especially the force sensing device in vehicle brake. BACKGROUND

[0002] The force sensor is arranged in the vehicle brake and is used for detecting the clamping force of the friction plate in the brake. The clamping force directly affects the friction force between the friction plate and the brake disc and determines the braking effect. If the clamping force is insufficient, the braking distance may be too long or even the brake may fail, causing an accident. Abnormal clamping force may cause the brake system to be "biased" or "soft", especially during emergency braking or continuous braking, which may cause the vehicle to lose control. Excessive clamping force or uneven distribution may cause the friction plate and the brake disc to be locally overheated or excessively worn, reducing the service life; and insufficient clamping force may increase the wear due to sliding friction. Therefore, detecting the clamping force of the friction plate is not only the "bottom line guarantee" for safe operation of the vehicle, but also a key measure to improve braking efficiency, reduce maintenance cost and prolong the service life of the parts.

[0003] In the prior art, the force sensor in the brake usually uses an external signal line to connect and transmit the sensing signal to the circuit board or the controller. However, the signal line has a certain degree of freedom in the brake parts, and the wire harness may be damaged to cause short circuit, the electrical connection is not reliable, and additional manual assembly of the signal line connection is required during assembly, increasing the production cost.

[0004] In order to overcome the above-mentioned defects in the prior art, there is an urgent need in the field for a force sensing device in a vehicle brake for connecting and transmitting the electrical signal of the force sensor, realizing stable electrical connection and simplifying the assembly process, facilitating batch automatic assembly, thereby improving production efficiency and reducing production cost. SUMMARY

[0005] The following gives a brief summary of one or more aspects to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all contemplated aspects, and neither is it intended to identify key or critical elements of all aspects nor to delineate the scope of any or all aspects. Its only purpose is to give some concepts of one or more aspects in a simplified form to sequence the more detailed description given later.

[0006] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a force sensing device of vehicle brake, include: force sensor, one end surface of this force sensor is equipped with the spring that protrudes outward, be used for providing electric connection, circuit board, be equipped with the electric interface that is used for inserting electric needle on this circuit board, and connecting piece, including electric needle and insulating part, this insulating part covers the electric needle, the first end of the electric needle is exposed to the insulating part to insert the circuit board, the second end of the electric needle is exposed at the end of the insulating part and extends horizontally to form electric contact, the spring of the force sensor abuts against the electric contact to form electric connection with the connecting piece.

[0007] In an embodiment, preferably, the utility model provides a force sensing device of vehicle brake, the insulating part is plastic piece, the connecting piece is embedded with the electric needle, and is made by insert injection molding process.

[0008] In an embodiment, preferably, the utility model provides a force sensing device of vehicle brake, the shape of the connecting piece includes at least one bending, to adapt to the assembly of other components in the vehicle brake.

[0009] In an embodiment, preferably, the utility model provides a force sensing device of vehicle brake, the horizontal part formed by the bending of the connecting piece abuts or supports other components in the vehicle brake.

[0010] In an embodiment, preferably, the utility model provides a force sensing device of vehicle brake, the vehicle brake includes screw rod and piston, the screw rod rotates to push the piston linear motion to push the friction plate, the force sensor is sleeved on the screw rod, and is used for detecting the clamping force of the friction plate in the vehicle brake.

[0011] In an embodiment, preferably, the utility model provides a force sensing device of vehicle brake, the vehicle brake further includes mutually matched planetary gear set and internal toothed ring, the planetary gear set drives the screw rod to rotate, and the connecting piece is assembled to support the internal toothed ring and part of the shell of the brake.

[0012] In an embodiment, preferably, the utility model provides a force sensing device of vehicle brake, the circuit board is located at the top of the planetary gear set, the shape of the connecting piece includes multiple bendings to form multiple vertical parts and horizontal parts, wherein the first end of the electric needle corresponds the first vertical part to be inserted vertically to the circuit board, and the first vertical part is located at the outside of the planetary gear set.

[0013] In an embodiment, preferably, the utility model provides a force sensing device of vehicle brake, the second horizontal part of the connecting piece supports the chassis of the planetary gear set, the connecting piece is bent downward at the end of the second horizontal part to form the second vertical part, and the electric needle is exposed at the lower end surface of the second vertical part and extends horizontally to form the electric contact.

[0014] In one embodiment, preferably, in the force sensing device of the vehicle brake provided by the present invention, a clearance fit is formed between the bottom of the rotating shaft of the planetary gear in the planetary gear set and the second horizontal part.

[0015] In one embodiment, preferably, in the force sensing device for the vehicle brake provided by this utility model, the number of the electrical needles is consistent with the number of the spring and the electrical interfaces of the circuit board.

[0016] Another aspect of this utility model provides a vehicle brake that includes a force sensor as described in any of the above-described vehicle brakes.

[0017] This utility model also provides a vehicle that includes a vehicle brake as described in any of the above claims.

[0018] The force sensor device for vehicle brakes provided by this utility model adds a connector to transfer the electrical signal of the force sensor to the circuit board. At the same time, the connector provides support for the device components in the brake during assembly, achieving a stable and secure electrical connection of the force sensor while simplifying the assembly process, improving production efficiency, and reducing production costs. Attached Figure Description

[0019] The above-described features and advantages of this invention can be better understood after reading the following detailed description of the embodiments of this disclosure in conjunction with the accompanying drawings. In the drawings, the components are not necessarily drawn to scale, and components having similar related characteristics or features may have the same or similar reference numerals.

[0020] Figure 1 This is an exploded disassembly diagram of the force sensing device of a vehicle brake, according to an embodiment of the present invention.

[0021] Figure 2 This is a side view of the device structure of a force sensing device for a vehicle brake, illustrated according to an embodiment of the present invention.

[0022] Figure 3 This is a schematic diagram of the device structure of the connecting member abutting the force sensor in the force sensing device of a vehicle brake, according to an embodiment of the present invention.

[0023] Figure 4 This is a schematic diagram of the structure of a force sensing device for a vehicle brake after the insulation part has been removed, illustrating the device structure of the electric needle abutting the force sensor in accordance with an embodiment of the present invention.

[0024] Figure 5 This is an anatomical view of the assembly structure of a force sensing device in a vehicle brake according to an embodiment of the present invention.

[0025] Figure 6 This is a cross-sectional view of the assembly structure of a force sensing device in a vehicle brake, according to an embodiment of the present invention; and

[0026] Figure 7 This is an anatomical diagram illustrating the assembly structure of a force sensing device in a vehicle brake according to an embodiment of the present invention.

[0027] For clarity, a brief explanation of the reference numerals in the accompanying drawings is provided below:

[0028] 100 Force Sensing Device

[0029] 101 Force Sensor

[0030] 102 Circuit Board

[0031] 103 Connector

[0032] 104 Electrocautery

[0033] 105 Spring

[0034] 106 electrical interface

[0035] 301 Electroacupuncture

[0036] 302 First End

[0037] 303 Insulation Part

[0038] 304 Second End

[0039] 305 Force Sensor

[0040] 306 spring

[0041] 307 Connector

[0042] 501 lead screw

[0043] 502 Piston

[0044] 503 Force Sensor

[0045] 504 Planetary Gear Set

[0046] 505 Internal Gear Ring

[0047] 506 connector

[0048] 507 Partial Housing

[0049] 701 First End

[0050] 702 circuit board

[0051] 703 Planetary Gear Set

[0052] 704 Top Gear Set

[0053] 705 First vertical section Detailed Implementation

[0054] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model will be presented in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment. On the contrary, the purpose of describing the utility model in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of this utility model. To provide a deep understanding of this utility model, many specific details will be included in the following description. This utility model may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this utility model, some specific details will be omitted in the description.

[0055] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0056] Furthermore, the terms "upper," "lower," "left," "right," "top," "bottom," "horizontal," and "vertical" used in the following description should be understood as the orientations shown in the relevant paragraphs and accompanying drawings. These relative terms are for illustrative purposes only and do not imply that the described device must be manufactured or operated in a specific orientation; therefore, they should not be construed as limiting the scope of this invention.

[0057] It is understood that although terms such as "first," "second," and "third" may be used herein to describe various components, regions, layers, and / or parts, these components, regions, layers, and / or parts should not be limited by these terms, and these terms are only used to distinguish different components, regions, layers, and / or parts. Therefore, the first component, region, layer, and / or part discussed below may be referred to as the second component, region, layer, and / or part without departing from some embodiments of this utility model.

[0058] In order to overcome the above-mentioned defects in the prior art, this utility model provides a force sensor device for a vehicle brake. A connector is added to transfer the electrical signal of the force sensor to the circuit board. At the same time, the connector provides support for the device components in the brake during assembly, so as to achieve a stable and secure electrical connection of the force sensor, simplify the assembly process, improve production efficiency, and reduce production costs.

[0059] Figure 1 This is an exploded disassembly diagram of the force sensing device of a vehicle brake, according to an embodiment of the present invention. Figure 2 This is a side view of the device structure of a force sensing device for a vehicle brake, according to an embodiment of the present invention.

[0060] Please refer to Figure 1 and Figure 2 The force sensing device 100 for a vehicle brake provided by this utility model may include: a force sensor 101, on one end face of which is provided an outwardly protruding spring 105 for providing electrical connection; a circuit board 102, on which is provided an electrical interface 106 for inserting an electric needle; and a connector 103, including an electric needle 104 and an insulating part, the insulating part covering the electric needle 104.

[0061] Figure 3 This is a schematic diagram of the device structure of the connecting member abutting the force sensor in the force sensing device of a vehicle brake, according to an embodiment of the present invention. Figure 4 This is a schematic diagram illustrating the structure of a force sensing device for a vehicle brake, showing the electrode contacting the force sensor after the insulation portion has been removed, according to an embodiment of the present invention.

[0062] like Figure 3 , 4 As shown, in one embodiment, the force sensing device provided by this utility model has a first end 302 of the electrode 301 extending out of the insulating part 303 to be inserted into the circuit board. Meanwhile, please refer to... Figure 3 , Figure 4 The second end 304 of the electric needle 301 is exposed at the end of the insulating part 303 and extends horizontally to form an electrical contact. The spring 306 of the force sensor 305 abuts against the electrical contact to form an electrical connection with the connector 307.

[0063] In one embodiment, preferably, the insulating part is a plastic component, and the connector is manufactured using an insert molding process with the electric needle as an insert. Understandably, plastic components manufactured using insert molding are more convenient in terms of manufacturing process and help reduce production costs.

[0064] It should be noted that, in this embodiment, the connector is a plastic part made by insert injection molding, which is merely an illustrative example intended to provide a preferred embodiment and not to limit the scope of protection of this utility model. In fact, the insulating part of the connector can also be made of insulating materials such as ceramics, or other manufacturing processes can be used. Device structures using other materials or processes can be applied to the force sensing device of the vehicle brake provided by this utility model and should all be included in the scope of protection of this utility model.

[0065] Please refer to Figure 1 , Figure 3 and Figure 4 In one embodiment of this invention, preferably, the number of the electrical needles is the same as the number of the spring and the electrical interfaces of the circuit board. In the illustrated embodiment, three electrical needles are included; however, in practical applications, the design can be adjusted to meet specific needs.

[0066] In a preferred embodiment, the force sensing device for a vehicle brake provided by the present invention includes a connector with at least one bend to accommodate the assembly of other components in the vehicle brake.

[0067] You can refer to Figure 3 , 4 When the connector 307 is bent, the electric needle 301, which is covered in the insulating part 303, is also bent accordingly. Understandably, the bending of the corresponding position on the connector and the electric needle structure can be adapted to the assembly of other components in the vehicle brake to form abutment and assembly positioning.

[0068] Furthermore, in one embodiment, the horizontal portion formed by the bending of the connector abuts against or supports other components in the vehicle brake, thereby forming a stable and robust assembly structure and improving the reliability of the force sensor signal transmission component.

[0069] More preferably, in one embodiment, in the force sensing device for a vehicle brake provided by the present invention, the shape of the connector includes multiple bends to form multiple vertical and horizontal sections, thereby adapting to the shape of other components in the brake.

[0070] The following detailed description is provided in conjunction with specific embodiments and accompanying drawings.

[0071] Figure 5 This is an anatomical view of the assembly structure of a force sensing device in a vehicle brake according to an embodiment of the present invention. Figure 6 This is a cross-sectional view of the assembly structure of a force sensing device in a vehicle brake according to an embodiment of the present invention.

[0072] Can be combined Figure 5 , Figure 6In one embodiment, the vehicle brake of the present invention includes a lead screw 501 and a piston 502. The lead screw 501 rotates to drive the piston 502 to move linearly to push the friction pad. The force sensor 503 is sleeved on the lead screw 501 and is used to detect the clamping force of the friction pad in the vehicle brake.

[0073] Furthermore, such as Figure 5 , 6 As shown, in this embodiment, the vehicle brake also includes a planetary gear set 504 and an internal gear ring 505 that cooperate with each other. The planetary gear set 504 drives the lead screw 501 to rotate. The connector 506 is fitted with a portion of the housing 507 that supports the internal gear ring 505 and the brake.

[0074] It should be noted that in this embodiment, the other components in the brake are only described illustratively to clearly illustrate the assembly relationship between the force sensing device of the vehicle brake provided by this utility model and other components in the vehicle brake, as well as the effect of its assembly positioning and fixing function, and not to limit the scope of protection of this utility model. It is understood that vehicle brake components are related to vehicle model and type, and the brake components of different vehicles are not entirely the same. The force sensing device provided by this utility model can be adaptively adjusted in shape according to the component structure in a specific brake. All corresponding force sensing devices should be included within the scope of protection of this utility model.

[0075] Figure 7 This is an anatomical diagram illustrating the assembly structure of a force sensing device in a vehicle brake according to an embodiment of the present invention.

[0076] You can refer to the following: Figure 7 In this embodiment, the circuit board 702 is located above the top gear set 704 of the planetary gear set 703, and the first end 701 of the electric needle is vertically inserted into the circuit board 702 corresponding to the first vertical part 705, which is located on the outside of the planetary gear set 703.

[0077] Please continue to refer to this. Figure 5 , Figure 6 The second horizontal portion of the connector 506 supports the chassis of the planetary gear set. The connector 506 is bent downward at the end of the second horizontal portion to form a second vertical portion. The electric needle is exposed on the lower end face of the second vertical portion and extends horizontally to form the electric contact.

[0078] It should be noted that, in this embodiment, a clearance fit is formed between the bottom of the planetary gear shaft and the second horizontal part in the planetary gear set.

[0079] Understandably, a clearance fit is formed between the planetary gear shaft and the second horizontal part of the connector, and the rotation process of the shaft is not transmitted to the connector, thereby making the connector form a stable assembly structure in the brake component.

[0080] Another aspect of this utility model provides a vehicle brake that includes a force sensor as described in any of the above-described vehicle brakes.

[0081] The device structure of the vehicle brake provided by this utility model can be referenced. Figures 5-7 The illustrated embodiment.

[0082] This utility model also provides a vehicle that includes a vehicle brake as described in any of the above claims.

[0083] The present invention provides a force sensor device for a vehicle brake, a vehicle brake, and a vehicle. The force sensor device transfers the electrical signal of the force sensor to the circuit board by adding a connector. At the same time, the connector provides support for the device components in the brake during assembly, thereby achieving a stable and secure electrical connection of the force sensor while simplifying the assembly process, improving production efficiency, and reducing production costs.

[0084] The prior description of this disclosure is provided to enable any person skilled in the art to make or use this disclosure. Various modifications to this disclosure will be apparent to those skilled in the art, and the general principles defined herein may be applied to other variations without departing from the spirit or scope of this disclosure. Therefore, this disclosure is not intended to be limited to the examples and designs described herein, but should be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A force sensor device for a vehicle brake, comprising: a force sensor, an end surface of the force sensor being provided with a spring protruding outwardly for providing an electrical connection; a circuit board, the circuit board being provided with an electrical interface for plugging an electrical pin; and a connector, comprising an electrical pin and an insulating part, the insulating part covering the electrical pin, a first end of the electrical pin protruding out of the insulating part for plugging the circuit board, a second end of the electrical pin being exposed at an end of the insulating part and extending horizontally to form an electrical contact, the spring of the force sensor abutting against the electrical contact to form an electrical connection with the connector.

2. The force sensing device of claim 1, wherein, The insulating part is a plastic part, the connector is made by insert molding with the electrical pin as an insert.

3. The force sensing device of claim 1, wherein, The shape of the connector comprises at least one bend to fit the assembly of other components in the vehicle brake.

4. The force sensing device of claim 3, wherein, The horizontal part formed by the bend of the connector abuts against or supports other components in the vehicle brake.

5. The force sensing device of claim 1, wherein, The vehicle brake comprises a screw rod and a piston, the screw rod rotates to push the piston to move linearly to push a friction plate, the force sensor is sleeved on the screw rod for detecting the clamping force of the friction plate in the vehicle brake.

6. The force sensing device of claim 5, wherein, The vehicle brake further comprises a planetary gear set and an inner ring gear cooperating with each other, the planetary gear set drives the screw rod to rotate, the connector is assembled to support the inner ring gear and part of the housing of the brake.

7. The force sensing device of claim 6, wherein, The circuit board is located at the top of the planetary gear set, the shape of the connector comprises multiple bends to form multiple vertical parts and horizontal parts, wherein the first end of the electrical pin corresponds to a first vertical part to be plugged vertically into the circuit board, the first vertical part is located at the outer side of the planetary gear set.

8. The force sensing device of claim 7, wherein, The second horizontal part of the connector supports the chassis of the planetary gear set, the connector is bent downward at the end of the second horizontal part to form a second vertical part, the electrical pin is exposed at the lower end surface of the second vertical part and extends horizontally to form the electrical contact.

9. The force sensing device of claim 8, wherein, The bottom of the rotating shaft of the planetary gear set and the second horizontal part form a clearance fit.

10. The force sensing device of claim 1, wherein, The number of the electrical pins is consistent with the number of the springs and the electrical interface of the circuit board.

11. A vehicle brake, characterized by A force sensor for a vehicle brake as claimed in any one of claims 1 to 10.

12. A vehicle characterized by comprising: A vehicle brake as claimed in any one of claims 1 to 10.

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