CN216696455U - Detection apparatus for brushless controller based on microcontroller's voltage acquisition - Google Patents
Detection apparatus for brushless controller based on microcontroller's voltage acquisition Download PDFInfo
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Abstract
The utility model relates to a detection device of a brushless controller based on voltage acquisition of a microcontroller, which comprises a power supply module, a power supply control unit, a main control unit and a communication module, wherein the output end of the power supply module is connected with the input end of the power supply control unit, the output end of the power supply module is connected with the input end of the main control unit, the output end of the power supply control unit is connected with the input end of a release module, the output end of the main control unit is connected with the input end of the communication module, the output end of the communication module is connected with the input ends of a plurality of independent isolated acquisition modules, and the output end of the main control unit is connected with the input end of an alarm module. The utility model can reduce the test cost.
Description
Technical Field
The utility model relates to the field of brushless controllers, in particular to a detection device of a brushless controller based on voltage acquisition of a microcontroller.
Background
In recent years, along with the mature development of lithium battery technology, the cost is reduced, and the direct current cordless electric tool and the handheld dust collector are rapidly developed, so that the market share of the brushless motor is higher and higher, and the goods output of the brushless controller is increased day by day. However, for manufacturers of brushless controllers, the test of the produced brushless controllers is always an unsolved problem, and the problems that the test equipment and the test method are not available, the controllers produced by the manufacturers are not tested or are simply tested after being assembled into a complete machine, so that the functions of the controllers are invalid after being delivered to a market end, the controllers are returned in batches, economic losses are caused, public praise is reduced, and brand images are damaged are caused.
There are two main solutions commonly used in the market today:
the first scheme is that a complete machine is used for performing partial function tests, and after the brushless controller is powered on, the controller is considered to be capable of controlling the complete machine to work, namely, the function of the brushless controller is judged to be normal, and the delivery requirement is met.
The test of the whole machine is used, and only partial circuit and function tests can be covered, such as the most important power consumption control, error control and communication function in a lithium battery management system, which cannot be tested. In order to achieve the test coverage rate, each brushless controller needs to develop a special matched test system, and in the test process, manual operation and result identification are needed, so that the test efficiency is low, the false detection rate is high, and the cost is high.
The second scheme is to use AOI optical detection equipment and ICT test equipment to judge whether the function of control is normal or not by simply judging whether the surface mount material is missing or not and whether the silk screen printing is correct or not.
By using the AOI optical detection equipment and the ICT test equipment, the SMT cold joint problem of the defective parts of the materials cannot be identified. The brushless controller is externally connected with electronic wires, has a large number of flat cables, and is not suitable for ICT test after being assembled into a finished product.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a new heat dissipation device based on a high-power electric tool, so that the heat dissipation device has a higher industrial utilization value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a heat dissipation device based on a high-power electric tool.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a detection apparatus for brushless controller based on microcontroller's voltage acquisition, includes power module, power supply control unit, main control unit and communication module, power module's output links to each other with power supply control unit's input, power module's output links to each other with main control unit's input, power supply control unit's output links to each other with the input of release module, main control unit's output links to each other with communication module's input, communication module's output links to each other with a plurality of independent isolation collection module's input, main control unit's output links to each other with alarm module's input.
Preferably, the detection device of the brushless controller based on voltage acquisition of the microcontroller comprises a 12V power module, a 5V power module and a 3.3V power module, wherein the 12V power module is supplied to the detection device, and the 5V and/or 3.3V power modules are compatible with different power supply platforms of the microcontroller.
Preferably, the detection device of the brushless controller based on voltage acquisition of the microcontroller, the power supply control unit includes a pre-charge module and a power supply control module, an input end of the pre-charge module is connected to an output end of the power supply module, and an output end of the pre-charge module is connected to an input end of the power supply control module.
Preferably, the detection device for the brushless controller based on the voltage acquisition of the microcontroller comprises a release module and a control module, wherein the release module comprises a plurality of power resistors and a release switch, the plurality of power resistors are connected in parallel, one end of each power resistor connected in parallel is connected with the output end of the main control unit, and the other end of each power resistor connected in parallel is connected with the release switch.
Preferably, in the detection device of the brushless controller based on voltage acquisition of the microcontroller, the release switch is a MOS transistor, and the model number of the MOS transistor is CRSM053N 08N.
Preferably, the detection device for the brushless controller based on the voltage acquisition of the microcontroller comprises an isolation acquisition module and a high input resistor, wherein the single-channel operational amplifier is connected with the high input resistor at the input end of the single-channel operational amplifier.
Preferably, the detection device for the brushless controller based on voltage acquisition of the microcontroller is the single-channel operational amplifier, model number TP 5531.
Preferably, in the detection device of the brushless controller based on voltage acquisition of the microcontroller, the model of the main control unit is SK 2020.
By the scheme, the utility model at least has the following advantages:
the utility model provides a power supply for the brushless controller, controls the logic output of the brushless controller, tracks the output signal of the brushless controller and the voltage precision. Through the modularized control, tracking, test and judgment, whether the whole circuit covering the brushless controller can work normally or not and whether the voltage precision reaches the standard or not is achieved, and the function test of the whole brushless controller is achieved. The problems that the brushless controller cannot be tested and the test coverage rate is low are solved, meanwhile, the construction of a test system is simplified, all the brushless controllers can be compatible, and the purpose of reducing the test cost is achieved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit diagram of a master control unit of the present invention;
FIG. 3 is a circuit diagram of the 12V, 5V and.3V power supply modules of the present invention;
FIG. 4 is a circuit diagram of the power supply control unit of the present invention;
FIG. 5 is a circuit diagram of a release module of the present invention;
FIG. 6 is a circuit diagram of an isolated acquisition module of the present invention;
fig. 7 is a circuit diagram of a communication module of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or vertical, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
As shown in fig. 1 to 7, a detection device of a brushless controller based on voltage acquisition of a microcontroller comprises a power module 1, a power supply control unit 2, a main control unit 3 and a communication module 4, the output end of the power supply module 1 is connected with the input end of the power supply control unit 2, the output end of the power supply module 1 is connected with the input end of the main control unit 3, the output end of the power supply control unit 2 is connected with the input end of the main control unit 3, the output end of the power supply control unit 2 is connected with the input end of the release module 5, the output end of the main control unit 3 is connected with the input end of the release module 5, the output end of the main control unit 3 is connected with the input end of the communication module 4, the output end of the communication module 4 is connected with the input ends of a plurality of independent isolation acquisition modules 6, and the output end of the main control unit 3 is connected with the input end of the alarm module 7.
The power supply module comprises a 12V power supply module, a 5V power supply module and a 3.3V power supply module, wherein the 12V power supply module is supplied to the detection device, and the 5V and/or 3.3V power supply modules are compatible with different power supply platforms of the microcontroller.
The power supply control unit 2 comprises a pre-charge module 21 and a power supply control module 22, wherein the input end of the pre-charge module 21 is connected with the output end of the power supply module 1, the output end of the pre-charge module 21 is connected with the input end of the power supply control module 22, and the power supply control unit is designed to limit power-on current and slowly power on in order to prevent short circuit caused by too large capacity load of a tested system during power on. After the constant-capacity charging is finished, the power supply control module is opened, and the two power supply modules are matched with each other to finish stable power-on.
The release module 5 comprises a plurality of power resistors and a release switch, the power resistors are connected in parallel, one ends of the power resistors connected in parallel are connected with the output end of the main control unit 3, the other ends of the power resistors connected in parallel are connected with the release switch, the brushless controller needs to discharge the capacity load after the test is completed, the brushless controller is prevented from being in contact with each other during transportation, and electronic elements are prevented from being damaged by high voltage, wherein the release switch is an MOS (metal oxide semiconductor) transistor and is of the type CRSM053N 08N.
The isolation acquisition module 6 comprises a single-channel operational amplifier and a high input resistor, wherein the input end of the single-channel operational amplifier is connected with the high input resistor, and acquires a signal 1: 1, ensuring that the voltage precision of the controller is not influenced when voltage data are collected, wherein the single-channel operational amplifier is in a model TP 5531.
The model of the main control unit 3 in the utility model is SK 2020.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a detection apparatus of brushless controller based on microcontroller's voltage acquisition which characterized in that: comprises a power module (1), a power supply control unit (2), a main control unit (3) and a communication module (4), the output end of the power supply module (1) is connected with the input end of the power supply control unit (2), the output end of the power supply module (1) is connected with the input end of the main control unit (3), the output end of the power supply control unit (2) is connected with the input end of the main control unit (3), the output end of the power supply control unit (2) is connected with the input end of the release module (5), the output end of the main control unit (3) is connected with the input end of the release module (5), the output end of the main control unit (3) is connected with the input end of the communication module (4), the output end of the communication module (4) is connected with the input ends of a plurality of independent isolated acquisition modules (6), the output end of the main control unit (3) is connected with the input end of the alarm module (7).
2. The detection device of the brushless controller based on voltage acquisition of the microcontroller according to claim 1, characterized in that: the power supply module comprises a 12V power supply module, a 5V power supply module and a 3.3V power supply module, wherein the 12V power supply module is supplied to the detection device, and the 5V and/or 3.3V power supply modules are compatible with different power supply platforms of the microcontroller.
3. The detection device of the brushless controller based on voltage acquisition of the microcontroller according to claim 1, characterized in that: the power supply control unit (2) comprises a pre-charging module (21) and a power supply control module (22), the input end of the pre-charging module (21) is connected with the output end of the power supply module (1), and the output end of the pre-charging module (21) is connected with the input end of the power supply control module (22).
4. The detection device of the brushless controller based on voltage acquisition of the microcontroller according to claim 1, characterized in that: the release module (5) comprises a plurality of power resistors and a release switch, the power resistors are connected in parallel, one end of each power resistor connected in parallel is connected with the output end of the main control unit (3), and the other end of each power resistor connected in parallel is connected with the release switch.
5. The detection device of the brushless controller based on voltage acquisition of the microcontroller according to claim 4, characterized in that: the release switch is an MOS tube, and the model number of the release switch is CRSM053N 08N.
6. The detection device of the brushless controller based on voltage acquisition of the microcontroller according to claim 1, characterized in that: the isolation acquisition module (6) comprises a single-channel operational amplifier and a high input resistor, wherein the high input resistor at the input end of the single-channel operational amplifier is connected.
7. The detection device of the brushless controller based on voltage acquisition of the microcontroller according to claim 6, characterized in that: model number TP5531 of the single channel op amp.
8. The detection device of the brushless controller based on voltage acquisition of the microcontroller according to claim 1, characterized in that: the model of the main control unit (3) is SK 2020.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123240450.2U CN216696455U (en) | 2021-12-22 | 2021-12-22 | Detection apparatus for brushless controller based on microcontroller's voltage acquisition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123240450.2U CN216696455U (en) | 2021-12-22 | 2021-12-22 | Detection apparatus for brushless controller based on microcontroller's voltage acquisition |
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| CN216696455U true CN216696455U (en) | 2022-06-07 |
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| CN202123240450.2U Active CN216696455U (en) | 2021-12-22 | 2021-12-22 | Detection apparatus for brushless controller based on microcontroller's voltage acquisition |
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