Temperature sensor for air pump

Abstract

The utility model discloses a temperature sensor for an air pump, which comprises a metal shell and a temperature sensing assembly, an accommodating cavity with an opening at one end is arranged in the metal shell, and a clamping groove is arranged on the side wall of the accommodating cavity close to the opening; the temperature sensing assembly comprises an installation support, a temperature sensing element and a wire harness, the installation support is provided with an installation groove penetrating in the axial direction of the installation support, one end of the installation support is provided with a buckle, the temperature sensing element is arranged in the installation groove, one end of the wire harness is electrically connected with the temperature sensing element and located in the installation groove, and the buckle is arranged in the installation groove. The installation support extends into the containing cavity from the opening, and the clamping buckle is matched with the clamping groove in a clamping mode so as to limit the installation support to move in the axial direction of the installation support. The packaging structure is simple in structure and convenient to assemble, extra packaging equipment is not needed, the packaging structure can be completed directly through clamping connection of the buckle and the clamping groove, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a temperature sensor for an air pump. Background Art

[0002] The popularity of air suspension systems in new energy vehicles is increasing, driven by multiple factors. First, with the rapid development of the new energy vehicle market, consumer demand for vehicle comfort and high-end features is also increasing. As a high-end feature, air suspension systems can effectively improve vehicle ride comfort and handling stability, and are therefore gaining popularity among consumers. To monitor the temperature of the air pump within the air suspension system in real time, a temperature sensor is typically installed within the pump.

[0003] Patent CN113945296A discloses a platinum resistance temperature sensor, including a platinum resistance temperature terminal, a connecting wire, a lead, a terminal block and a socket, wherein: the two ends of the connecting wire are respectively connected to the platinum resistance temperature terminal and the terminal block or the socket; one end of the lead wire is connected to the socket or the terminal block; the lead wire and the connecting wire are connected to the terminal block through the socket; the socket has a terminal post extending from the end face opposite to the terminal block, and the terminal block has a wiring hole, which matches the terminal post.

[0004] The above-mentioned prior art generally packages the thermal sensor in a housing, which requires the use of relevant packaging equipment, has a complex production and assembly process, and has a high production cost. Utility Model Content

[0005] The purpose of the present invention is to overcome the above technical deficiencies, to provide a temperature sensor for an air pump, and to solve the technical problems of the prior art in that the production and assembly process is complex and the production cost is high.

[0006] In order to achieve the above technical purpose, the present invention adopts the following technical solutions:

[0007] The utility model provides a temperature sensor for an air pump, comprising:

[0008] A metal shell having an accommodating cavity with an opening at one end, wherein a side wall of the accommodating cavity is provided with a card slot near the opening; and

[0009] The temperature sensing component includes a mounting bracket, a temperature sensing element and a wiring harness, wherein the mounting bracket is provided with a mounting groove extending along its axial direction, a buckle is provided at one end of the mounting bracket, the temperature sensing element is arranged in the mounting groove, and one end of the wiring harness is electrically connected to the temperature sensing element and is located in the mounting groove, wherein the mounting bracket extends into the accommodating cavity from the opening, and the buckle is engaged with the slot to limit the movement of the mounting bracket along its axial direction.

[0010] In some embodiments, the gap between the accommodating cavity and the temperature sensing element is further filled with a heat-conducting material.

[0011] In some embodiments, the buckle is elastically extended and retracted in a direction close to and away from the middle of the mounting bracket.

[0012] In some embodiments, one end of the buckle is provided on the mounting bracket, and the other end of the buckle is gradually tilted outward in a direction away from the mounting bracket, so that the buckle is elastically telescopically provided.

[0013] In some embodiments, the slot is arranged in a ring shape, and there are two buckles, which are located on opposite sides of the mounting bracket.

[0014] In some embodiments, the mounting groove includes a first groove section and a second groove section connected in sequence, a baffle is provided in the middle of the first groove section to separate the first groove section into two grooves, the two leads at one end of the wiring harness are respectively installed in the two grooves, the temperature sensing element is provided in the second groove section, and the two pins of the temperature sensing element are respectively extended into the two grooves and connected with the two leads.

[0015] In some embodiments, two opposite side walls of the groove are each provided with a plurality of clamping protrusions, and the clamping protrusions are used to clamp and fix the lead.

[0016] In some embodiments, the temperature sensing component further includes a sealing plug, the sealing plug is provided with a through hole, and the sealing plug is sleeved on the outer periphery of the wiring harness and blocks the opening.

[0017] In some embodiments, the air pump temperature sensor further includes a connector, wherein the connector is provided with two connection terminals, and the other end of the wiring harness extends into the connector and is connected to the two connection terminals.

[0018] In some embodiments, a protective cover is further provided between the connector and the wiring harness.

[0019] Compared with the prior art, the temperature sensor for an air pump provided by the present invention has the mounting bracket adapted to the accommodating cavity, and the clip is located on the side of the mounting bracket. First, the wiring harness is electrically connected to the temperature sensing element, and then the end of the wiring harness and the temperature sensing element are installed in the mounting groove. Finally, the mounting bracket is inserted into the accommodating cavity at the open end until the clip is inserted into the slot and snap-fitted, thereby completing the installation of the mounting bracket. The present application has a simple structure and is easy to assemble. It does not require additional packaging equipment and can be completed directly by snapping the clip into the slot, thereby reducing production costs.

[0020] The above description is only an overview of the technical solution of the present invention. In order to enable a clearer understanding of the technical means of the present invention and to implement it according to the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of an embodiment of a temperature sensor for an air pump provided by the present utility model;

[0022] Figure 2 yes Figure 1 A partial cross-sectional view of one end of a temperature sensor for an air pump;

[0023] Figure 3 yes Figure 1 A partial cross-sectional view of the other end of the temperature sensor for the air pump;

[0024] Figure 4 yes Figure 1 A three-dimensional diagram of the installation space and the temperature sensing element;

[0025] Figure 5 yes Figure 1 Top view of the installation space and temperature sensing element;

[0026] Figure 6 yes Figure 1 Cross-sectional view of the metal shell.

[0027] Description of reference numerals:

[0028] 1-metal shell, 11-accommodating cavity, 12-card slot, 2-mounting bracket, 21-groove, 211-clamping protrusion, 22-baffle, 23-second slot section, 24-clip, 3-temperature sensing element, 31-pin, 4-wiring harness, 41-lead, 5-thermal conductive material, 6-sealing plug, 7-connector, 71-connecting terminal, 72-mounting channel, 73-sealing plug, 74-sealing gasket, 8-protective cover, 9-sealing ring. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] In order to solve the technical problems of complex production and assembly processes and high production costs in the prior art, the utility model provides a temperature sensor for an air pump, which has a simple structure and is easy to assemble. It does not require additional packaging equipment and can be completed directly by connecting the buckle with the slot, thereby reducing production costs.

[0031] See also Figure 1 , Figure 1 This is a schematic structural diagram of a temperature sensor for an air pump in one embodiment of the present invention.

[0032] The utility model provides a temperature sensor for an air pump, comprising a metal shell 1 and a temperature sensing component, wherein the metal shell 1 is provided with a accommodating cavity 11 with an opening at one end, and a card slot 12 is provided on the side wall of the accommodating cavity 11 near the opening; the temperature sensing component comprises a mounting bracket 2, a temperature sensing element 3 and a wiring harness 4, the mounting bracket 2 is provided with a mounting groove extending along its axial direction, a buckle 24 is provided at one end of the mounting bracket 2, the temperature sensing element 3 is arranged in the mounting groove, one end of the wiring harness 4 is electrically connected to the temperature sensing element 3 and is located in the mounting groove, wherein the mounting bracket 2 extends into the accommodating cavity 11 from the opening, and the buckle 24 is engaged with the card slot 12 to limit the movement of the mounting bracket 2 along its axial direction.

[0033] In this example, see Figure 1 、 Figure 2 and Figure 6 The mounting bracket 2 is adapted to the accommodating cavity 11, and the buckle 24 is located on the side of the mounting bracket 2. First, the wiring harness 4 is electrically connected to the temperature sensing element 3, and then the end of the wiring harness 4 and the temperature sensing element 3 are installed in the mounting groove. Finally, the mounting bracket 2 is inserted into the accommodating cavity 11 to the open end until the buckle 24 extends into the card slot 12 and snaps into fit, thereby completing the installation of the mounting bracket 2. The present application has a simple structure and is easy to assemble. It does not require additional packaging equipment and can be completed directly by snapping the buckle 24 into the card slot 12, reducing production costs.

[0034] It can be understood that the mounting bracket 2 is a plastic bracket.

[0035] In this embodiment, the distance from the card slot 12 to the bottom of the accommodating cavity 11 is the same as the sum of the lengths of the buckle 24 and the mounting bracket 2, so that the other end of the mounting bracket 2 can rest against the bottom of the accommodating cavity 11 to achieve positioning.

[0036] In one embodiment, see Figure 2 The gap between the accommodating cavity 11 and the temperature sensing element 3 is also filled with a heat-conducting material 5 .

[0037] In this embodiment, in order to improve the detection accuracy of the sensor, the gap between the accommodating cavity 11 and the temperature sensing element 3 is also filled with a heat-conducting material 5. The heat-conducting material 5 can quickly conduct heat while also having the functions of being dust-proof and waterproof, and encapsulating and fixing the temperature sensing element 3.

[0038] In one embodiment, see Figure 4 and Figure 5 The buckle 24 is elastically configured to move toward and away from the middle of the mounting bracket 2 .

[0039] In this embodiment, the card slot 12 is arranged on the side wall of the accommodating cavity 11, and the buckle 24 is located on the side of the mounting bracket 2, that is, the buckle 24 protrudes from the mounting bracket 2, resulting in its size being slightly larger than the diameter of the accommodating cavity 11. In order to facilitate the installation of the mounting bracket 2 into the accommodating cavity 11, the buckle 24 is elastically and telescopically installed on the mounting bracket 2. Such a setting not only facilitates the installation of the mounting bracket 2, but also ensures that the buckle 24 extends into the card slot 12.

[0040] In one embodiment, see Figure 4 and Figure 5 One end of the buckle 24 is provided on the mounting bracket 2, and the other end of the buckle 24 is gradually tilted outward in a direction away from the mounting bracket 2, so that the buckle 24 is elastically telescopically provided.

[0041] In this embodiment, the buckle 24 is arranged in a strip shape, one end of the buckle 24 is connected to the mounting bracket 2, and the other end is arranged to be inclined outward, so that the end of the buckle 24 is elastically arranged in the inward and outward directions. When the end of the buckle 24 extends into the slot 12, the mounting bracket 2 can be limited to prevent it from detaching from the open end.

[0042] Specifically, the mounting bracket 2 and the buckle 24 are integrally formed.

[0043] In one embodiment, see Figure 5 and Figure 6 The card slot 12 is arranged in a ring shape, and two card buckles 24 are provided. The two card buckles 24 are located on opposite sides of the mounting bracket 2.

[0044] In this embodiment, in order to improve the connection strength, the clamping groove 12 is an annular groove, and the clamping buckles 24 are provided on two opposite sides of the mounting bracket 2 , and both of the clamping buckles 24 can extend into the clamping groove 12 .

[0045] In one embodiment, see Figure 4 and Figure 5The mounting groove includes a first groove section and a second groove section 23 connected in sequence. A baffle 22 is provided in the middle of the first groove section to separate the first groove section into two grooves 21. The two leads 41 at one end of the wiring harness 4 are respectively installed in the two grooves 21. The temperature sensing element 3 is provided in the second groove section 23. The two pins 31 of the temperature sensing element 3 are respectively extended into the two grooves 21 and connected with the two leads 41.

[0046] In this embodiment, the temperature sensing element 3 is generally provided with two spaced pins 31. Correspondingly, one end of the wiring harness 4 is also provided with two spaced leads 41. The two leads 41 correspond one-to-one to the two pins 31. In order to avoid a short circuit caused by contact between the two leads 41, the mounting groove is divided into a first groove section and a second groove section 23. A baffle 22 is provided in the middle of the first groove section, thereby dividing the first groove bottom into two spaced grooves 21. The two leads 41 are respectively installed in the two grooves 21. The temperature sensing element 3 is arranged in the second groove bottom, and the two pins 31 extend into the two grooves 21 and are connected to the two leads 41. This arrangement ensures that the wiring harness 4 and the temperature sensing element 3 are installed and fixed while avoiding short circuits.

[0047] In one embodiment, see Figure 4 and Figure 5 The two opposite side walls of the groove 21 are provided with a plurality of clamping protrusions 211 , and the clamping protrusions 211 are used to clamp and fix the lead 41 .

[0048] In this embodiment, the lead 41 is fixedly installed by being clamped in the groove 21. In order to improve the clamping strength, the two opposite side walls of the groove 21 are provided with a plurality of clamping protrusions 211. The plurality of clamping protrusions 211 are arranged at intervals along the length direction of the groove 21. By setting the clamping protrusions 211, the lead 41 is clamped in the groove 21 to prevent the lead 41 from falling off accidentally.

[0049] In one embodiment, see Figure 2 The temperature sensing component further includes a sealing plug 6, which is provided with a through hole. The sealing plug 6 is sleeved on the outer periphery of the wiring harness 4 and blocks the opening.

[0050] In this embodiment, after assembly is completed, the mounting bracket 2 is completely extended into the accommodating cavity 11, so that the open end of the accommodating cavity 11 is connected to the outside world. In order to prevent external dust, water vapor, etc. from entering the accommodating cavity 11 and affecting the temperature sensing element 3, a sealing plug 6 is further provided at the open end of the accommodating cavity 11, and a through hole is provided in the middle of the sealing plug 6 for the wiring harness 4 to pass through. The sealing plug 6 can ensure that the accommodating cavity 11 is a sealed space, thereby preventing the external environment from affecting the temperature sensing element 3.

[0051] In this embodiment, an annular mounting groove is further provided on the outer periphery of the metal shell 1 , and the temperature sensor for the air pump further includes a sealing ring 9 , which is provided in the annular mounting groove to seal the metal shell 1 and the air pump.

[0052] In one embodiment, see Figure 3 The air pump temperature sensor further includes a connector 7 , which is provided with two connection terminals 71 , and the other end of the wiring harness 4 extends into the connector 7 and is connected to the two connection terminals 71 .

[0053] In this embodiment, the connector 7 is provided with two spaced-apart mounting channels 72, the two connecting terminals 71 are respectively installed in the two mounting channels 72, and one end of the connecting terminal 71 extends out of the mounting channel 72, the connecting terminal 71 is used to be plugged into the controller, and the other end of the wiring harness 4 is also divided into two leads 41, the two leads 41 are respectively extended into the two mounting channels 72 and connected to the connecting terminal 71, and the connector 7 is used to be installed on the controller.

[0054] In this embodiment, four through holes are further provided on the flange of the connector 7 , and bolts are passed through the through holes to be threadedly connected to the controller, thereby installing the connector 7 on the controller.

[0055] In this embodiment, a sealing plug 73 is further provided in the installation channel 72 . The sealing plug 73 serves to seal the installation channel 72 on the one hand, and to fix the lead wire 41 on the other hand.

[0056] In this embodiment, an annular groove is provided on the side of the connector facing the controller, and the temperature sensor for the air pump also includes a sealing gasket 74, which is adapted to the annular groove. The sealing gasket 74 is installed in the annular groove, and the sealing gasket 74 protrudes from the annular groove. The sealing gasket 74 is used to abut against the controller housing, thereby playing a sealing role and making it dustproof and waterproof.

[0057] In one embodiment, see Figure 3A protective cover 8 is further provided between the connector 7 and the wiring harness 4 .

[0058] In this embodiment, one end of the protective cover 8 is sleeved on the end of the connector 7 , and the other end of the protective cover 8 is sleeved on the outer periphery of the wiring harness 4 , thereby protecting the connector 7 and the wiring harness 4 .

[0059] In order to better understand the present invention, the following Figures 1 to 6 The technical solution of the utility model is described in detail:

[0060] First, electrically connect the wiring harness 4 to the temperature sensing element 3, then install the end of the wiring harness 4 and the temperature sensing element 3 into the mounting groove, and finally install the mounting bracket 2 to the open end into the accommodating cavity 11 until the buckle 24 extends into the slot 12 and snaps into engagement, thereby completing the installation of the mounting bracket 2. The present application has a simple structure and is easy to assemble. It does not require additional packaging equipment and can be completed directly by snapping the buckle 24 into the slot 12, thereby reducing production costs.

[0061] This application can monitor the air pump temperature and realize intelligent start and stop of the air pump, effectively protecting the safety of the chassis air suspension and improving driving safety and driving experience.

[0062] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A temperature sensor for an air pump, characterized in that: It includes: A metal shell having an accommodating cavity with an opening at one end, wherein a side wall of the accommodating cavity is provided with a card slot near the opening; and The temperature sensing component includes a mounting bracket, a temperature sensing element and a wiring harness, wherein the mounting bracket is provided with a mounting groove extending along its axial direction, a buckle is provided at one end of the mounting bracket, the temperature sensing element is arranged in the mounting groove, and one end of the wiring harness is electrically connected to the temperature sensing element and is located in the mounting groove, wherein the mounting bracket extends into the accommodating cavity from the opening, and the buckle is engaged with the slot to limit the movement of the mounting bracket along its axial direction.

2. The temperature sensor for an air pump according to claim 1, wherein: The gap between the accommodating cavity and the temperature sensing element is also filled with heat-conducting material.

3. The temperature sensor for an air pump according to claim 1, wherein: The buckle is elastically extended and retracted in a direction close to and away from the middle of the mounting bracket.

4. The temperature sensor for an air pump according to claim 3, characterized in that: One end of the buckle is arranged on the mounting bracket, and the other end of the buckle is gradually inclined outward in a direction away from the mounting bracket, so that the buckle is elastically telescopically arranged.

5. The temperature sensor for an air pump according to claim 1, wherein: The clamping groove is arranged in a ring shape, and two clamps are provided. The two clamps are located on two opposite sides of the mounting bracket.

6. The temperature sensor for an air pump according to claim 1, wherein: The mounting groove includes a first groove section and a second groove section connected in sequence. A baffle is provided in the middle of the first groove section to separate the first groove section into two grooves. The two leads at one end of the wiring harness are respectively installed in the two grooves. The temperature sensing element is provided in the second groove section. The two pins of the temperature sensing element respectively extend into the two grooves and are connected to the two leads.

7. The temperature sensor for an air pump according to claim 6, characterized in that: Two opposite side walls of the groove are each provided with a plurality of clamping protrusions, and the clamping protrusions are used to clamp and fix the lead.

8. The temperature sensor for an air pump according to claim 1, wherein: The temperature sensing component further includes a sealing plug, which is provided with a through hole. The sealing plug is sleeved on the outer periphery of the wiring harness and blocks the opening.

9. The temperature sensor for an air pump according to claim 1, wherein: The air pump temperature sensor further includes a connector, wherein the connector is provided with two connection terminals, and the other end of the wiring harness extends into the connector and is connected to the two connection terminals.

10. The temperature sensor for an air pump according to claim 9, characterized in that: A protective cover is further provided between the connector and the wiring harness.

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