Brushless motor controller for spraying machine and spraying machine

Abstract

The utility model provides a brushless motor controller for a spraying machine and the spraying machine, and belongs to the technical field of spraying machines. The heat dissipation plate is connected with the substrate, and a mounting space is formed between the heat dissipation plate and the substrate; the rectifier tube is located in the mounting space, and a pin of the rectifier tube is connected with the substrate; and the MOS tube is located in the installation space, and a pin of the MOS tube is connected with the substrate. Compared with the prior art, the brushless motor controller for the spraying machine has the beneficial effects that the substrate can be cooled, and the rectifier tube and the MOS tube are arranged in the mounting space between the heat dissipation plate and the substrate, so that the space is reasonably utilized, the heat dissipation effect on the rectifier tube and the MOS tube is better, and the brushless motor controller for the spraying machine is relatively stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of spraying machines and relates to a brushless motor controller for a spraying machine and the spraying machine. Background Art

[0002] With the development of the construction spraying industry, the traditional brushed motor drive form on sprayers has seriously lagged behind the needs of the industry; although brushless motors for domestic sprayers have become popular in recent years, new problems have emerged in software control.

[0003] Currently, the brushless motor controllers on the market lack heat dissipation structures and have poor heat dissipation. When the machine is working for a long time, the heat is difficult to dissipate, which will cause the machine to start and stop frequently, affecting the normal operation of the equipment. There is a lot of room for improvement. Summary of the Invention

[0004] The purpose of the utility model is to address the above-mentioned problems existing in the prior art and to propose a brushless motor controller for a sprayer and a sprayer.

[0005] The purpose of the utility model can be achieved through the following technical solutions: A brushless motor controller for a spraying machine, comprising:

[0006] substrate;

[0007] a heat dissipation plate connected to the substrate, with an installation space provided between the heat dissipation plate and the substrate;

[0008] a rectifier tube, located in the installation space, wherein a pin of the rectifier tube is connected to the substrate;

[0009] A MOS tube is located in the installation space, and a pin of the MOS tube is connected to the substrate.

[0010] The brushless motor controller for a sprayer further includes a first screw. The substrate is provided with a first through hole, the heat dissipation plate is provided with a first threaded hole, and the first screw passes through the first through hole and is connected to the first threaded hole.

[0011] In the above-mentioned brushless motor controller for a sprayer, the heat sink is provided with a support column, the support column is located in the installation space, the first threaded hole is located in the support column, and the substrate is connected to the heat sink via the support column.

[0012] In the above-mentioned brushless motor controller for a sprayer, the heat sink is further provided with a mounting recess, and the support column is provided with a mounting protrusion, which is inserted into the mounting recess so that the support column is detachably connected to the heat sink.

[0013] In the above-mentioned brushless motor controller for a sprayer, it also includes a second screw, the rectifier tube is provided with a second through hole, the heat sink is provided with a second threaded hole, and the second screw passes through the second through hole and is connected to the second threaded hole.

[0014] In the above-mentioned brushless motor controller for a spraying machine, the substrate is provided with a first mounting hole, and the first mounting hole is aligned with the second screw and can allow the second screw to pass through.

[0015] In the above-mentioned brushless motor controller for a sprayer, a third screw is also included. The MOS tube is provided with a third through hole, the heat sink is provided with a third threaded hole, and the third screw passes through the third through hole and is connected to the third threaded hole.

[0016] In the above-mentioned brushless motor controller for a spraying machine, the substrate is provided with a second mounting hole, and the second mounting hole is aligned with the third screw and can allow the third screw to pass through.

[0017] In the above-mentioned brushless motor controller for a sprayer, a side of the substrate away from the heat sink is provided with a power input plug, an energy storage capacitor, an anti-interference element, a brushless motor power plug, a signal line output socket and a transformer.

[0018] Secondly, a spraying machine includes the brushless motor controller for the spraying machine.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The substrate can be heat-dissipated, and the rectifier tube and the MOS tube can be installed in the installation space between the heat sink and the substrate, which not only reasonably utilizes the space, but also has a better heat dissipation effect on the rectifier tube and the MOS tube, so the brushless motor controller for the sprayer is relatively stable; 2. The substrate is connected to the heat sink through the support column, and the support column can support the substrate and the heat sink to form an installation space, which can ensure the heat dissipation effect to the greatest extent while just being able to install the substrate and the heat sink; 3. The first screw passes through the first through hole and is connected to the first threaded hole, so that the substrate and the heat sink are reliably connected together. 4. The second screw passes through the third through hole and is connected to the second threaded hole to reliably connect the rectifier tube to the heat sink, ensuring the reliable connection of the rectifier tube relative to the substrate on the basis of the connection between the substrate and the heat sink; the first mounting hole is aligned with the second screw and can be passed through by the second screw, so the second screw can be installed through the first mounting hole, which is more convenient to install and does not require a tool to be inserted from the installation space to install the second screw; 5. The power input plug, energy storage capacitor, anti-interference component, brushless motor power plug, signal line output socket and transformer are arranged on the side of the substrate away from the heat sink, making full use of the two sides of the substrate to install circuit components, and the structure is compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a brushless motor controller for a spraying machine according to the present invention.

[0021] Figure 2 This is an exploded view of the brushless motor controller for a sprayer according to the present invention.

[0022] Figure 3 This is a structural schematic diagram of the brushless motor controller for a sprayer from another perspective of the present invention.

[0023] Figure 4 This is an exploded view from another perspective of the brushless motor controller for a sprayer of the present invention.

[0024] In the figure, 100, substrate; 110, first through hole; 120, first mounting hole; 130, second mounting hole; 200, heat sink; 210, support column; 211, first threaded hole; 212, mounting protrusion; 220, mounting recess; 230, second threaded hole; 240, third threaded hole; 300, rectifier; 310, second through hole; 400, MOS tube; 410, third through hole; 500, first screw; 600, second screw; 700, third screw; 810, power input plug; 820, energy storage capacitor; 830, anti-interference element; 840, brushless motor power plug; 850, signal line output socket; 860, transformer. DETAILED DESCRIPTION

[0025] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, terms such as "first," "second," and "an" in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0028] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0029] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0030] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0031] like Figures 1-4 As shown, a brushless motor controller for a spraying machine includes: a substrate 100, a heat sink 200, a rectifier tube 300 and a MOS tube 400.

[0032] The substrate 100 is the bottom plate of the PCB.

[0033] The heat dissipation plate 200 is connected to the substrate 100 , and an installation space is provided between the heat dissipation plate 200 and the substrate 100 .

[0034] The rectifier tube 300 is located in the installation space, and pins of the rectifier tube 300 are connected to the substrate 100 .

[0035] The MOS transistor 400 is located in the installation space, and the pins of the MOS transistor 400 are connected to the substrate 100 .

[0036] In this embodiment, the substrate 100 can be used to dissipate heat, and the rectifier tube 300 and the MOS tube 400 are installed in the installation space between the heat sink 200 and the substrate 100. This not only makes rational use of the space, but also achieves better heat dissipation effect for the rectifier tube 300 and the MOS tube 400. Therefore, the brushless motor controller for the sprayer is more stable.

[0037] like Figures 1-4As shown, based on the above embodiment, it also includes a first screw 500, the substrate 100 is provided with a first through hole 110, the heat dissipation plate 200 is provided with a first threaded hole 211, and the first screw 500 passes through the first through hole 110 and is connected to the first threaded hole 211.

[0038] In this embodiment, the first screw 500 passes through the first through hole 110 and is connected to the first threaded hole 211 , thereby reliably connecting the substrate 100 and the heat dissipation plate 200 together.

[0039] like Figures 1-4 As shown, based on the above embodiment, the heat dissipation plate 200 is provided with a support column 210, the support column 210 is located in the installation space, the first threaded hole 211 is located in the support column 210, and the substrate 100 is connected to the heat dissipation plate 200 through the support column 210.

[0040] In this embodiment, the substrate 100 is connected to the heat sink 200 through the support column 210. The support column 210 can support the substrate 100 and the heat sink 200 to form an installation space, which can just accommodate the substrate 100 and the heat sink 200 while ensuring the heat dissipation effect to the greatest extent.

[0041] like Figures 1-4 As shown, based on the above embodiment, the heat sink 200 is further provided with a mounting recess 220, and the support column 210 is provided with a mounting protrusion 212, and the mounting protrusion 212 is inserted into the mounting recess 220 so that the support column 210 can be detachably connected to the heat sink 200.

[0042] In this embodiment, the mounting protrusion 212 is inserted into the mounting recess 220 so that the support column 210 is detachably connected to the heat dissipation plate 200 , and thus the support column 210 can be detached and replaced to adjust the installation space.

[0043] Furthermore, the mounting recess 220 may be provided with an internal thread, and the mounting protrusion 212 may be provided with an external thread, and the mounting protrusion 212 and the mounting recess 220 are threadedly connected via the external thread and the internal thread.

[0044] Or further, the mounting recess 220 may be provided with a card slot, and the mounting protrusion 212 may be provided with a buckle, and the mounting protrusion 212 and the mounting recess 220 are connected via the buckle and the card slot.

[0045] like Figures 1-4 As shown, based on the above embodiment, it also includes a second screw 600, the rectifier tube 300 is provided with a second through hole 310, the heat sink 200 is provided with a second threaded hole 230, and the second screw 600 passes through the second through hole 310 and is connected to the second threaded hole 230.

[0046] In this embodiment, the second screw 600 passes through the third through hole 410 and is connected to the second threaded hole 230, reliably connecting the rectifier tube 300 and the heat sink 200 together, ensuring the reliable connection of the rectifier tube 300 relative to the substrate 100 on the basis of the connection between the substrate 100 and the heat sink 200.

[0047] like Figures 1-4 As shown, based on the above embodiment, the substrate 100 is provided with a first mounting hole 120 , and the first mounting hole 120 is aligned with the second screw 600 and can allow the first screw 600 to pass through.

[0048] In this embodiment, the first mounting hole 120 is aligned with the second screw 600 and allows the second screw 600 to pass through, so the second screw 600 can be installed through the first mounting hole 120, which is more convenient to install and does not require tools to be inserted from the installation space to install the second screw 600.

[0049] like Figures 1-4 As shown, on the basis of the above embodiment, a third screw 700 is further included, the MOS tube 400 is provided with a third through hole 410, the heat dissipation plate 200 is provided with a third threaded hole 240, and the third screw 700 passes through the third through hole 410 and is connected to the third threaded hole 240.

[0050] In this embodiment, the third screw 700 passes through the third through hole 410 and is connected to the third threaded hole 240, reliably connecting the MOS tube 400 and the heat sink 200 together, ensuring the reliable connection of the MOS tube 400 relative to the substrate 100 on the basis of the connection between the substrate 100 and the heat sink 200.

[0051] like Figures 1-4 As shown, on the basis of the above embodiment, the substrate 100 is provided with a second mounting hole 130 , and the second mounting hole 130 is aligned with the third screw 700 and can allow the third screw 700 to pass through.

[0052] In this embodiment, the second mounting hole 130 is aligned with the third screw 700 and allows the third screw 700 to pass through, so the third screw 700 can be installed through the second mounting hole 130, which is more convenient to install and does not require tools to be inserted from the installation space to install the third screw 700.

[0053] like Figures 1-4 As shown, based on the above embodiment, the side of the substrate 100 away from the heat sink 200 is provided with a power input plug 810, an energy storage capacitor 820, an anti-interference element 830, a brushless motor power plug 840, a signal line output socket 850 and a transformer 860.

[0054] In this embodiment, the power input plug 810, energy storage capacitor 820, anti-interference element 830, brushless motor power plug 840, signal line output socket 850 and transformer 860 are arranged on the side of the substrate 100 away from the heat sink 200, making full use of the circuit components installed on both sides of the substrate 100, and the structure is compact.

[0055] like Figures 1-4 As shown, a sprayer includes the brushless motor controller for the sprayer.

Claims

1. A brushless motor controller for a spraying machine, characterized in that: include: substrate; a heat dissipation plate connected to the substrate, with an installation space provided between the heat dissipation plate and the substrate; a rectifier tube, located in the installation space, wherein a pin of the rectifier tube is connected to the substrate; A MOS tube is located in the installation space, and a pin of the MOS tube is connected to the substrate.

2. A brushless motor controller for a spraying machine according to claim 1, characterized in that: It also includes a first screw, the substrate is provided with a first through hole, the heat dissipation plate is provided with a first threaded hole, and the first screw passes through the first through hole and is connected to the first threaded hole.

3. A brushless motor controller for a spraying machine according to claim 2, characterized in that: The heat sink is provided with a support column, the support column is located in the installation space, the first threaded hole is located in the support column, and the substrate is connected to the heat sink through the support column.

4. A brushless motor controller for a spraying machine according to claim 3, characterized in that: The heat sink is further provided with a mounting recess, and the support column is provided with a mounting protrusion, which is inserted into the mounting recess so that the support column is detachably connected to the heat sink.

5. The brushless motor controller for a spraying machine according to claim 1, wherein: It also includes a second screw, the rectifier tube is provided with a second through hole, the heat dissipation plate is provided with a second threaded hole, and the second screw passes through the second through hole and is connected to the second threaded hole.

6. A brushless motor controller for a spraying machine according to claim 5, characterized in that: The base plate is provided with a first mounting hole, which is aligned with the second screw and can allow the second screw to pass through.

7. The brushless motor controller for a spraying machine according to claim 1, wherein: It also includes a third screw. The MOS tube is provided with a third through hole, the heat dissipation plate is provided with a third threaded hole, and the third screw passes through the third through hole and is connected to the third threaded hole.

8. A brushless motor controller for a spraying machine according to claim 7, characterized in that: The base plate is provided with a second mounting hole, which is aligned with the third screw and can be passed through by the third screw.

9. The brushless motor controller for a spraying machine according to claim 1, wherein: A power input plug, an energy storage capacitor, an anti-interference element, a brushless motor power plug, a signal line output socket and a transformer are arranged on one side of the substrate away from the heat dissipation plate.

10. A spraying machine, characterized in that: It comprises a brushless motor controller for a sprayer as described in any one of claims 1 to 9.

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