Temperature sensor and vehicle

Abstract

The embodiment of the utility model provides a temperature sensor and a vehicle. The temperature sensor comprises a metal piece, a support, a temperature sensing element and a wire electrically connected with the temperature sensing element. The support is arranged on the metal piece, and a fixing part is arranged on the side, away from the metal piece, of the support and used for limiting at least part of the wire. Thus, in the packaging process, the wire and the temperature sensing element connected with the wire can be kept at the preset position of the metal piece and cannot be changed due to impact of injection molding pressure, and therefore the yield of the temperature sensor can be increased.

Description

Technical Field

[0001] The present application belongs to the field of vehicle technology, and specifically relates to a temperature sensor and a vehicle. Background Art

[0002] Temperature sensor is a commonly used temperature measuring device. In vehicles, temperature sensor plays an important role. It is usually used to monitor the temperature inside the vehicle, the temperature outside the vehicle, the evaporator temperature, the air duct temperature, etc., which has the effect of preventing the vehicle from spontaneous combustion, saving energy and reducing emissions, etc.

[0003] The temperature sensor includes a temperature sensing element, which is used to measure temperature. At present, the temperature sensing element and the wires connected to the temperature sensing element are usually packaged by injection molding to achieve the purpose of sealing and protecting the temperature sensing element. However, during the packaging process, the temperature sensing element and the wires directly placed in the injection mold will be impacted by the injection pressure, causing the position of the temperature sensing element and the wires to change, resulting in a decrease in the yield rate of the temperature sensor. Utility Model Content

[0004] The present application aims to provide a temperature sensor and a vehicle to solve the problem that the positions of temperature sensing elements and wires are easily changed during the existing temperature sensor packaging process, resulting in a low yield rate of the temperature sensor.

[0005] In order to solve the above technical problems, this application is implemented as follows:

[0006] In a first aspect, the present application discloses a temperature sensor, the temperature sensor comprising: a metal part, a bracket, a temperature sensing element, and a wire electrically connected to the temperature sensing element;

[0007] The bracket is arranged on the metal piece, and a fixing portion is arranged on a side of the bracket away from the metal piece, and the fixing portion is used to limit the position of at least part of the wire.

[0008] Optionally, the extension direction of the wire is a first direction;

[0009] The fixing portion is a wire groove, the wire groove is extended along the first direction, and at least part of the wires are clamped in the wire groove along the first direction.

[0010] Optionally, at least two wires are provided;

[0011] At least two wire grooves are provided, and at least two wire grooves are arranged at intervals along a second direction, and the second direction is perpendicular to the first direction;

[0012] The wires are connected to the wire slots in a one-to-one correspondence.

[0013] Optionally, the extension direction of the wire is a first direction;

[0014] The fixing portion is a wire buckle, and a plurality of the wire buckles are provided. The plurality of wire buckles are spaced apart along the first direction, and at least a portion of the conductive wires are sequentially clamped to the plurality of wire buckles along the first direction.

[0015] Optionally, the bracket is detachably connected to the metal member.

[0016] Optionally, a fixing column or a fixing hole is provided on a side of the bracket close to the metal member;

[0017] The metal piece is provided with one of the fixing column and the fixing hole on one side close to the bracket, and the fixing column is clamped in the fixing hole.

[0018] Optionally, the extension direction of the wire is a first direction;

[0019] There are a plurality of fixing columns, and the plurality of fixing columns are spaced apart and arranged along the first direction on a side of the bracket close to the metal member;

[0020] There are a plurality of fixing holes, and the plurality of fixing holes are spaced apart and arranged on the metal member along the first direction;

[0021] One of the fixing posts is clamped in one of the fixing holes.

[0022] Optionally, the temperature sensor further comprises a plastic part, wherein the plastic part is connected to a side of the bracket away from the metal part, and at least a portion of the plastic part wraps the temperature sensing element and the wire.

[0023] Optionally, a protrusion is provided on one side of the plastic part close to the metal part;

[0024] The metal piece is provided with a connecting hole, and the protrusion is embedded in the connecting hole to connect the plastic piece and the metal piece.

[0025] In a second aspect, the present application further discloses a vehicle, comprising the temperature sensor described in any one of the above items.

[0026] In the embodiment of the present application, since the temperature sensor includes: a metal part, a bracket, a temperature sensing element, and a wire electrically connected to the temperature sensing element; the bracket is arranged on the metal part, and a fixing portion is arranged on the side of the bracket facing away from the metal part, and the fixing portion is used to limit at least part of the wire. Since the bracket is arranged, a fixing portion is arranged on the side of the bracket facing away from the metal part, and the fixing portion limits at least part of the wire, the wire and the temperature sensing element connected to the wire can be fixed at the preset position of the metal part. In this way, during the packaging process, the wire and the temperature sensing element connected to the wire can be kept at the preset position of the metal part, and will not change due to the impact of the injection molding pressure, thereby improving the yield rate of the temperature sensor.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 This is one of the structural schematic diagrams of a temperature sensor provided in an embodiment of the present application;

[0030] Figure 2 This is the second structural schematic diagram of a temperature sensor provided in an embodiment of the present application;

[0031] Figure 3 This is a third structural schematic diagram of a temperature sensor provided in an embodiment of the present application;

[0032] Figure 4 is a schematic diagram of the structure of a bracket in a temperature sensor provided in an embodiment of the present application;

[0033] Figure 5 is a schematic diagram of the structure of a metal part in a temperature sensor provided in an embodiment of the present application;

[0034] Figure 6 It is a schematic diagram of the assembly of the temperature sensor and the injection mold provided in the embodiment of the present application.

[0035] Figure numerals: 1. Metal part, 11. Fixing hole, 12. Connecting hole, 2. Bracket, 21. Fixing part, 22. Fixing column, 3. Temperature sensing element, 4. Wire, 5. Plastic part, 6. First mold, 7. Second mold, X. First direction. DETAILED DESCRIPTION

[0036] The embodiments of the utility model will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0037] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this utility model, unless otherwise specified, "multiple" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] An embodiment of the present application provides a temperature sensor, which will be described in detail below with reference to the accompanying drawings.

[0041] Reference Figures 1 to 3 , shows a schematic diagram of the structure of a temperature sensor provided in an embodiment of the present application, referring to Figure 4 , showing a schematic diagram of the structure of the bracket in the temperature sensor provided in the embodiment of the present application, referring to Figure 5, shows a schematic diagram of the structure of the metal parts in the temperature sensor provided in an embodiment of the present application.

[0042] like Figures 1 to 3 As shown, the present application provides a temperature sensor, comprising: a metal part 1, a bracket 2, a temperature sensing element 3 and a wire 4 electrically connected to the temperature sensing element 3; the bracket 2 is arranged on the metal part 1, and a fixing portion 21 is arranged on the side of the bracket 2 facing away from the metal part 1, and the fixing portion 21 is used to limit at least part of the wire 4.

[0043] In the embodiment of the present application, since the bracket 2 is provided, a fixing portion 21 is provided on the side of the bracket 2 facing away from the metal member 1, and the fixing portion 21 limits at least part of the wire 4, so that the wire 4 and the temperature sensing element 3 connected to the wire 4 can be fixed at the preset position of the metal member 1. In this way, during the packaging process, the wire 4 and the temperature sensing element 3 connected to the wire 4 can be kept at the preset position of the metal member 1, and will not change due to the impact of the injection molding pressure, such as the wire 4 being misplaced or falling, etc., thereby improving the yield rate of the temperature sensor.

[0044] It should be noted that the preset position refers to that the staff fixes the temperature sensing element 3 and the wire 4 connected to the temperature sensing element 3 at a specific position of the metal part 1 according to actual needs, so as to improve the yield rate of the temperature sensor after the packaging is completed. Furthermore, in order to keep the temperature sensing element 3 at the preset position as much as possible, at least part of the wire 4 close to the temperature sensing element 3 needs to be fixed, so as to better position the temperature sensing element 3 and reduce the impact of the injection pressure on the temperature sensing element 3. In addition, the types of temperature sensing elements 3 include but are not limited to thermistors, thermocouples, and platinum thermal resistors. Those skilled in the art can choose according to the actual application scenario and the temperature range to be measured. The embodiment of the present application does not limit the type of temperature sensing element 3.

[0045] In practical applications, the temperature sensor conducts the heat of the object to be measured to the temperature sensing element 3 through the metal part 1, thereby measuring the temperature of the object to be measured. Generally, the metal part 1 is a metal sheet. Along the extension direction of the wire 4, the metal sheet can be a plate-shaped metal sheet, an arc-shaped metal sheet, a hollow cylindrical metal sheet, or a metal sheet of other shapes. This is not limited here, and those skilled in the art can adjust it as needed. In the embodiment of the present application, along the extension direction of the wire 4, the metal sheet has an arc-shaped recessed portion, and correspondingly, the side of the bracket 2 close to the metal sheet has an arc-shaped protrusion. The overall mechanical strength of the assembled bracket 2 and the metal sheet can be improved by fitting the arc-shaped recessed portion with the arc-shaped protrusion.

[0046] like Figure 4 As shown, the extension direction of the wire 4 is the first direction X; the fixing portion 21 is a wire groove, the wire groove is extended along the first direction X, and at least part of the wire 4 is clamped in the wire groove along the first direction X.

[0047] Further, at least two wires 4 are provided; at least two wire slots are provided, and at least two wire slots are arranged at intervals along the second direction, and the second direction is perpendicular to the first direction X; the wires 4 are connected to the wire slots in a one-to-one correspondence.

[0048] In the embodiment of the present application, since a wire groove is provided, the wire 4 can be limited by the clamping connection between the wire 4 and the wire groove, so that the wire 4 and the temperature sensing element 3 connected to the wire 4 can be placed in a preset position, avoiding the position change of the wire 4 and the temperature sensing element 3 during the packaging process, which is beneficial to improving the yield rate of the temperature sensor. In addition, since at least two wire grooves are provided, and at least two wire grooves are spaced apart along the second direction, at least two wires 4 can be fixed in at least two wire grooves respectively, which is beneficial to improving the fixing reliability of the wire 4.

[0049] It should be noted that the bracket 2 can be made of metal or non-metal. Generally, the temperature sensing element 3 includes two pins, which are respectively welded to two wires 4 to form a positive and negative circuit. Since the pins of the temperature sensing element 3 and the partially exposed welding parts of the wires 4 are easily exposed to cause a short circuit between the positive and negative circuits, the bracket 2 of the embodiment of the present application is preferably a non-metal material with good electrical insulation performance, and is connected to the wires 4 one by one through the wire groove, so as to fix the wires 4 and avoid the wires 4 of the positive and negative circuits from contacting the welding parts of the temperature sensing element 3 to cause a short circuit. Among them, non-metallic materials include but are not limited to polytetrafluoroethylene, polypropylene, polystyrene and other materials, and those skilled in the art can choose according to their needs.

[0050] In some optional embodiments of the present application, the extension direction of the wire 4 is the first direction X; the fixing portion 21 is a wire buckle, and a plurality of wire buckles are provided, and the plurality of wire buckles are arranged at intervals along the first direction X, and at least part of the wire 4 is sequentially clamped to the plurality of wire buckles along the first direction X.

[0051] In the embodiment of the present application, since a plurality of wire clips are provided and the plurality of wire clips are spaced apart along the first direction X, the wire 4 can be limited by sequentially clamping the wire 4 in the plurality of wire clips, so that the wire 4 and the temperature sensing element 3 connected to the wire 4 can be placed in a preset position, thereby avoiding changes in the positions of the wire 4 and the temperature sensing element 3 during the packaging process, which is beneficial to improving the yield rate of the temperature sensor.

[0052] It should be noted that in the drawings shown in the embodiments of the present application, only the case where the fixing portion 21 is a wire groove is shown. In actual applications, those skilled in the art may also use wire clips to limit the wire 4, and the embodiments of the present application do not limit this. It is understandable that compared with setting multiple wire clips, wire groove processing is more convenient, but the corresponding material cost will also increase. In the actual mass production process, those skilled in the art may select the specific form of the fixing portion 21 according to actual needs. In addition, when a wire clip is used to fix the wire 4, in order to respectively fix at least two wires 4 of the temperature sensor, at least two rows of wire clips may be arranged on the bracket 2 at intervals along the second direction, and each row of wire clips may be provided with multiple wire clips according to the length of the wire 4 to be fixed.

[0053] like Figure 4 and Figure 5 As shown, the bracket 2 is detachably connected to the metal component 1 .

[0054] Specifically, one of the fixing column 22 and the fixing hole 11 is disposed on one side of the bracket 2 close to the metal member 1 ; the other of the fixing column 22 and the fixing hole 11 is disposed on one side of the metal member 1 close to the bracket 2 , and the fixing column 22 is clamped in the fixing hole 11 .

[0055] In the embodiment of the present application, since the bracket 2 is detachably connected to the metal member 1, it is convenient to disassemble and assemble the bracket 2. Since the bracket 2 is provided with one of the fixing column 22 or the fixing hole 11, and correspondingly, the metal member 1 is provided with the other of the fixing column 22 or the fixing hole 11, the bracket 2 and the metal member 1 can be detachably connected by the matching and snapping of the fixing column 22 and the fixing hole 11. This detachable connection method is simple and reliable, which is conducive to improving the connection reliability of the bracket 2 and the metal member 1.

[0056] It should be noted that the drawings shown in the embodiments of the present application only show the case where the fixing column 22 is arranged on the side of the bracket 2 close to the metal part 1 and the fixing hole 11 is arranged on the metal part 1. In actual applications, those skilled in the art may also arrange the fixing column 22 on the side of the metal part 1 close to the bracket 2 and the fixing hole 11 on the bracket 2, and the embodiments of the present application do not limit this. It is understandable that when the fixing hole 11 is arranged on the bracket 2, in order to avoid the assembly of the fixing column 22 and the fixing hole 11 affecting the wire 4, the fixing hole 11 may be a blind hole arranged on the side of the bracket 2 close to the metal part 1.

[0057] In some optional embodiments of the present application, the extension direction of the wire 4 is the first direction X; a plurality of fixing columns 22 are provided, and the plurality of fixing columns 22 are spaced apart along the first direction X on a side of the bracket 2 close to the metal part 1; a plurality of fixing holes 11 are provided, and the plurality of fixing holes 11 are spaced apart along the first direction X on the metal part 1; and one fixing column 22 is clamped in one fixing hole 11.

[0058] In the embodiment of the present application, along the extension direction of the temperature sensor, a plurality of fixing columns 22 and fixing holes 11 are respectively provided, and the one-to-one corresponding clamping of the fixing columns 22 and the fixing holes 11 can further improve the connection reliability between the bracket 2 and the metal part 1, thereby improving the overall mechanical strength of the packaged temperature sensor. It should be noted that in the case of providing a plurality of fixing columns 22, when the plurality of fixing columns 22 are arranged at uniform intervals on the bracket 2, the connection force can be evenly dispersed, further improving the connection reliability between the bracket 2 and the metal part 1.

[0059] In some optional embodiments of the present application, the temperature sensor further includes a plastic part 5 , which is connected to a side of the bracket 2 away from the metal part 1 , and at least a portion of the plastic part 5 wraps the temperature sensing element 3 and the wire 4 .

[0060] In the embodiment of the present application, since the plastic part 5 is provided, and at least part of the plastic part 5 wraps the temperature sensing element 3 and the wire 4, the temperature sensing element 3 and the welding part between the temperature sensing element 3 and the wire 4 can be effectively sealed and protected, which is beneficial to improving the yield rate of the temperature sensor. It should be noted that the plastic part 5 is formed by injection molding using a thermoplastic material. Among them, the thermoplastic material includes but is not limited to polyethylene, polypropylene, polytetrafluoroethylene, polyurethane and polyvinyl chloride, and those skilled in the art can select according to actual needs.

[0061] like Figure 5 As shown, a protrusion is provided on one side of the plastic component 5 close to the metal component 1 ; the metal component 1 is provided with a connecting hole 12 , and the protrusion is embedded in the connecting hole 12 to connect the plastic component 5 and the metal component 1 .

[0062] In the embodiment of the present application, since the plastic part 5 is provided with a protrusion, the metal part 1 is correspondingly provided with a connecting hole 12. By embedding the protrusion in the connecting hole 12, the connection reliability between the plastic part 5 and the metal part 1 can be further improved, thereby preventing the metal part 1 from detaching from the plastic part 5 after the plastic part 5 is solidified, resulting in poor sealing effect of the temperature sensing element 3 and reduced temperature detection sensitivity.

[0063] It should be noted that the drawings of the present application do not show the raised portion. It is understandable that during the injection molding process of the plastic part 5, part of the rubber will flow into the connection hole 12, and after the plastic part 5 is solidified, a raised portion embedded in the connection hole 12 will be formed. In practical applications, multiple connection holes 12 can be provided, so that the connection points between the plastic part 5 and the metal part 1 can be increased, which is conducive to further improving the connection reliability between the plastic part 5 and the metal part 1, thereby improving the overall mechanical strength of the temperature sensor.

[0064] Reference Figure 6 , shows a schematic diagram of the assembly of the temperature sensor and the injection molding module provided in the embodiment of the present application, such as Figure 6As shown, the injection mold includes a first mold 6 and a second mold 7. During the injection molding process, first, the temperature sensing element 3 and the wire 4 are welded together, and the wire 4 is clamped to the fixing portion 21 of the bracket 2; secondly, the bracket 2 and the metal part 1 are fixed together to form a semi-finished product through the matching clamping of the fixing column 22 and the fixing hole 11; thirdly, the semi-finished product is fixed in the second mold 7, and the side of the metal part 1 facing away from the bracket 2 is in contact with the second mold 7; finally, the first mold 6 is installed and glue is injected, and the glue fills the gap between the mold and the semi-finished product in turn, and the finished temperature sensor is obtained after solidification. It should be noted that during the injection molding process, due to the provision of the bracket 2, the temperature sensing element 3 and the wire 4 are not impacted by the flow of the glue, and can be kept in the preset position of the metal part 1, thereby improving the yield rate of the temperature sensor.

[0065] In summary, the temperature sensor provided in the embodiment of the present application has at least the following advantages:

[0066] In the embodiment of the present application, since the temperature sensor includes: a metal part, a bracket, a temperature sensing element, and a wire electrically connected to the temperature sensing element; the bracket is arranged on the metal part, and a fixing portion is arranged on the side of the bracket facing away from the metal part, and the fixing portion is used to limit at least part of the wire. Since the bracket is arranged, a fixing portion is arranged on the side of the bracket facing away from the metal part, and the fixing portion limits at least part of the wire, the wire and the temperature sensing element connected to the wire can be fixed at the preset position of the metal part. In this way, during the packaging process, the wire and the temperature sensing element connected to the wire can be kept at the preset position of the metal part, and will not change due to the impact of the injection molding pressure, thereby improving the yield rate of the temperature sensor.

[0067] An embodiment of the present application also provides a vehicle, comprising any temperature sensor described above.

[0068] It should be noted that in the embodiment of the present application, the structure of the temperature sensor is the same as the structure of the temperature sensor described in any of the above embodiments, and its beneficial effects are similar, which will not be described in detail here. It should be noted that the application scenarios of the temperature sensor include but are not limited to monitoring the temperature inside the vehicle, the temperature outside the vehicle, the evaporator temperature, the air duct temperature, etc., and those skilled in the art can set it according to actual needs.

[0069] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0070] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A temperature sensor, characterized in that: The temperature sensor comprises: a metal part, a bracket, a temperature sensing element and a wire electrically connected to the temperature sensing element; The bracket is arranged on the metal piece, and a fixing portion is arranged on a side of the bracket away from the metal piece, and the fixing portion is used to limit the position of at least part of the wire.

2. The temperature sensor according to claim 1, characterized in that: The extending direction of the wire is a first direction; The fixing portion is a wire groove, the wire groove is extended along the first direction, and at least part of the wires are clamped in the wire groove along the first direction.

3. The temperature sensor according to claim 2, characterized in that: The wires are provided with at least two; At least two wire grooves are provided, and at least two wire grooves are arranged at intervals along a second direction, and the second direction is perpendicular to the first direction; The wires are connected to the wire slots in a one-to-one correspondence.

4. The temperature sensor according to claim 1, characterized in that: The extending direction of the wire is a first direction; The fixing portion is a wire buckle, and a plurality of the wire buckles are provided. The plurality of wire buckles are spaced apart along the first direction, and at least a portion of the conductive wires are sequentially clamped to the plurality of wire buckles along the first direction.

5. The temperature sensor according to claim 1, characterized in that: The bracket is detachably connected to the metal piece.

6. The temperature sensor according to claim 5, characterized in that: A fixing column or a fixing hole is provided on one side of the bracket close to the metal member; The metal piece is provided with one of the fixing column and the fixing hole on one side close to the bracket, and the fixing column is clamped in the fixing hole.

7. The temperature sensor according to claim 6, characterized in that: The extending direction of the wire is a first direction; There are a plurality of fixing columns, and the plurality of fixing columns are spaced apart and arranged along the first direction on a side of the bracket close to the metal member; There are a plurality of fixing holes, and the plurality of fixing holes are spaced apart and arranged on the metal member along the first direction; One of the fixing posts is clamped in one of the fixing holes.

8. The temperature sensor according to claim 1, characterized in that: The temperature sensor further comprises a plastic part, which is connected to a side of the bracket away from the metal part, and at least a part of the plastic part wraps the temperature sensing element and the wire.

9. The temperature sensor according to claim 8, characterized in that: A protrusion is provided on one side of the plastic part close to the metal part; The metal piece is provided with a connecting hole, and the protrusion is embedded in the connecting hole to connect the plastic piece and the metal piece.

10. A vehicle, characterized in that: The vehicle comprises the temperature sensor according to any one of claims 1-9.

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