Cooling structure for light source for detecting bobbin thread of sewing machine

Abstract

A kind of cooling structure for the light source for detecting the bobbin thread of sewing machine, including shell (1), back cover (2) and circuit board (3), circuit board (3) is used to set lamp pearl (4) and sensor (5), circuit board (3) is fixed in the inner bottom of shell (1), back cover (2) is installed in the rear of shell (1), front and rear interval is formed between back cover (2) and circuit board (3), back cover (2) is equipped with communicating port (6), and heat conduction piece (7) is clamped between back cover (2) and circuit board (3);The cooling structure for the light source is simple and compact, and is conducive to miniaturization.

Description

Technical Field

[0001] This utility model relates to the field of sewing machine technology, and specifically to a cooling structure for a light source used to detect the bottom thread of a sewing machine. Background Technology

[0002] Bottom thread is an important thread required for sewing, and its usage is relatively large. It is of great significance for ensuring sewing quality. Therefore, the requirement for controlling and measuring the bottom thread has been put forward. This application first proposes a bottom thread detection device for sewing machines, realizing a new bottom thread detection technology solution, and the structure is relatively simple.

[0003] The bottom line detection device includes a light source and a light sensor. The light emitted from the light source shines on the light sensor surface of the bobbin through a notch. The reflection from the light sensor surface shines on the light sensor part through the notch. Each time the bobbin rotates, the light sensor surface passes through the notch once, and the light sensor part detects it once.

[0004] Since the bottom thread detection device needs to work continuously during sewing, it will generate a certain amount of heat. Therefore, it is necessary to study how to improve the operation of the light source and the light sensor by setting a cooling structure. This application proposes a cooling structure for the light source of a sewing machine bottom thread detection device. The structure is simple and compact, which is conducive to miniaturization. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a cooling structure for a light source used to detect the bottom thread of a sewing machine. The structure is simple and compact, which is conducive to miniaturization.

[0006] The technical solution of this utility model is: a cooling structure for a light source used to detect the bottom thread of a sewing machine, including a housing, a back cover and a circuit board. The circuit board is used to set up LED beads and sensors. The circuit board is fixed to the inner bottom of the housing. The back cover is installed at the rear of the housing. A front-to-back gap is formed between the back cover and the circuit board. A communication port is provided on the back cover, and a heat-conducting component is sandwiched between the back cover and the circuit board.

[0007] With the above structure, this utility model has the following advantages: In this disclosure, the spacing and connecting ports allow for airflow, thus facilitating heat dissipation. Simultaneously, a heat-conducting component is incorporated, carrying away heat and conducting it to the rear cover and dissipating it into the air. This combination of airflow and the heat-conducting component further enhances heat dissipation. Structurally, the design is simple and compact, which is beneficial for miniaturization.

[0008] In some embodiments, the thermally conductive component is made of aluminum alloy and is connected to the circuit board by thermally conductive adhesive.

[0009] In some embodiments, the heat-conducting element extends along the length of the circuit board.

[0010] In some embodiments, the communication port is provided with a strip-shaped opening, and the strip-shaped opening is vertically offset from the heat-conducting element and arranged in parallel.

[0011] In some embodiments, the back cover is a heat sink made of a heat dissipation material. Attached Figure Description Figure 1 This is a front perspective view of a detection device for detecting the bottom thread of a sewing machine, which employs the method disclosed herein.

[0012] Figure 2 This is a rear perspective view of a detection device for detecting the bottom thread of a sewing machine, which employs the method disclosed herein.

[0013] Figure 3 for Figure 2 A 3D diagram showing the back cover removed from the original design.

[0014] Figure 4 This is a three-dimensional schematic diagram after the shell has been removed.

[0015] The diagram shows: 1-housing, 2-back cover, 3-circuit board, 4-LED, 5-sensor, 6-connection port, 7-heat-conducting component. Detailed Implementation

[0016] To better understand this application, various aspects of this application will be described in more detail below with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0017] like Figures 1 to 4 As shown, this disclosure proposes a cooling structure for a light source used to detect the bottom thread of a sewing machine. Figure 1 The detection device shown is for detecting the bottom thread of a sewing machine. The cooling structure for the light source includes a housing 1, a back cover 2, and a circuit board 3. The circuit board 3 is used to set up LED beads 4 and sensors 5. The circuit board 3 is fixed to the inner bottom of the housing 1. The back cover 2 is installed at the rear of the housing 1. A front-to-back gap is formed between the back cover 2 and the circuit board 3. The back cover 2 is provided with a communication port 6, and a heat-conducting element 7 is sandwiched between the back cover 2 and the circuit board 3.

[0018] In some embodiments, such as Figure 3 As shown, the heat-conducting component 7 is made of aluminum alloy and is connected to the circuit board 3 via thermally conductive adhesive. This allows for better heat dissipation while maintaining a lighter weight.

[0019] Furthermore, such as Figure 3As shown, the heat-conducting component 7 extends along the length of the circuit board 3. This increases the contact area without occupying too much space, as the space created by the spacing is still relatively large.

[0020] In some embodiments, such as Figure 2 , 3 As shown, the connecting port 6 is provided with a strip-shaped opening, and this strip-shaped opening is staggered vertically and arranged parallel to the heat-conducting component 7. In this way, the strip-shaped opening and the heat-conducting component 7 do not interfere with each other, and are also conducive to their respective functions.

[0021] In some embodiments, such as Figure 2 As shown, the back cover 2 is a heat sink made of a heat-dissipating material, such as aluminum alloy, which allows the heat conducted to the back cover to be dissipated more effectively.

[0022] When understanding this utility model, the above structure may be referred to other embodiments / appendices if necessary. Figure 1 And that is understood, so I will not elaborate further here.

[0023] The above description is merely an illustrative embodiment of this utility model. Therefore, all equivalent changes or modifications made to the structure, features, and principles described in the scope of protection of this utility model are included within the scope of protection of this utility model.

Claims

1. A cooling structure for a light source used to detect the thread of a sewing machine, characterized in that, It includes a housing (1), a back cover (2) and a circuit board (3). The circuit board (3) is used to set up the LED beads (4) and the sensor (5). The circuit board (3) is fixed to the inner bottom of the housing (1). The back cover (2) is installed at the rear of the housing (1). A front-to-back gap is formed between the back cover (2) and the circuit board (3). The back cover (2) is provided with a communication port (6), and a heat-conducting component (7) is sandwiched between the back cover (2) and the circuit board (3).

2. The cooling structure for a light source used to detect the thread of a sewing machine according to claim 1, characterized in that, The heat-conducting component (7) is made of aluminum alloy and is connected to the circuit board (3) by thermally conductive adhesive.

3. A cooling structure for a light source used to detect the thread of a sewing machine according to claim 1 or 2, characterized in that, The heat-conducting component (7) extends along the length of the circuit board (3).

4. A cooling structure for a light source used to detect the thread of a sewing machine according to claim 3, characterized in that, The connecting port (6) is provided with a strip opening, and the strip opening is staggered vertically and parallel to the heat-conducting component (7).

5. A cooling structure for a light source used to detect the thread of a sewing machine according to claim 1, characterized in that, The back cover (2) is a heat dissipation component made of heat dissipation material.

Images