CN220043011U - Electric tool control circuit and electric tool - Google Patents
Electric tool control circuit and electric tool Download PDFInfo
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- CN220043011U CN220043011U CN202320918805.9U CN202320918805U CN220043011U CN 220043011 U CN220043011 U CN 220043011U CN 202320918805 U CN202320918805 U CN 202320918805U CN 220043011 U CN220043011 U CN 220043011U
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Abstract
The utility model discloses a control circuit of an electric tool and the electric tool, the control circuit of the electric tool comprises: the power supply module is detachably arranged on the electric tool body and supplies power for the main control circuit and the electric tool body; the input end of the management circuit is connected with the power supply module, and the output end of the management circuit is connected with the main control circuit and is used for acquiring the battery state data of the power supply module and uploading the battery state data to the main control circuit; the input end of the acquisition circuit is connected with the electric tool body, and the output end of the acquisition circuit is connected with the main control circuit and is used for acquiring equipment state data of the electric tool body and uploading the equipment state data to the main control circuit; the input end of the prompting circuit is connected with the main control circuit, the output end of the prompting circuit is connected with the electric tool body, and the prompting circuit is used for acquiring prompting signals obtained after the main control circuit processes battery state data and equipment state data and transmitting the prompting signals to the electric tool body. According to the scheme, the service life of the electric tool can be prolonged, and the use cost is reduced.
Description
Technical Field
The present utility model relates to the field of electric tools, and in particular, to an electric tool control circuit and an electric tool.
Background
Along with the wide application of electric tools in the aspect of rescue work, related products of electric tools on the market are produced in a large quantity, but in the process of actual rescue work, rescue teams can face various complicated working conditions, when the electric tools on the existing market are used, the situation that the electric tools are used for too long and are not powered on often occurs, and at the moment, the electric tools need to be recharged to be put into use, so that a plurality of electric tools need to be carried, the use cost is high, meanwhile, in the process of using the electric tools for a long time, the electric tools are extremely easy to damage, and the service life is poor. In view of this, how to extend the service life of the electric tool and reduce the use cost is a problem to be solved.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the electric tool control circuit and the electric tool, which can prolong the service life of the electric tool and reduce the use cost.
To solve the above-mentioned problems, a first aspect of the present utility model provides a control circuit for an electric tool, including: the power supply module is detachably arranged on the electric tool body and supplies power for the main control circuit and the electric tool body; the input end of the management circuit is connected with the power supply module, and the output end of the management circuit is connected with the main control circuit and is used for acquiring the battery state data of the power supply module and uploading the battery state data to the main control circuit; the input end of the acquisition circuit is connected with the electric tool body, and the output end of the acquisition circuit is connected with the main control circuit and is used for acquiring equipment state data of the electric tool body and uploading the equipment state data to the main control circuit; the input end of the prompting circuit is connected with the main control circuit, the output end of the prompting circuit is connected with the electric tool body, and the prompting circuit is used for acquiring prompting signals obtained after the main control circuit processes the battery state data and the equipment state data and transmitting the prompting signals to the electric tool body.
Wherein, the acquisition circuit includes: the input end of the pressure sensing circuit is connected with the electric tool body, and the output end of the pressure sensing circuit is connected with the main control circuit and is used for acquiring pressure data received by the electric tool body and uploading the pressure data to the main control circuit; the input end of the current acquisition circuit is connected with the electric tool body, and the output end of the current acquisition circuit is connected with the main control circuit and is used for acquiring the working current of the electric tool body and uploading the working current to the main control circuit; the input end of the voltage acquisition circuit is connected with the electric tool body, and the output end of the voltage acquisition circuit is connected with the main control circuit and is used for acquiring the working voltage of the electric tool body and uploading the working voltage to the main control circuit; and the input end of the temperature sensing circuit is connected with the electric tool body, and the output end of the temperature sensing circuit is connected with the main control circuit and is used for acquiring the working temperature of the electric tool body and uploading the working temperature to the main control circuit.
Wherein, the electric tool control circuit still includes: and the power supply trigger circuit is connected with the main control circuit, the output end of the power supply trigger circuit is connected with the power supply module, and the power supply trigger circuit is used for receiving a work trigger instruction issued by the main control circuit when the pressure data acquired by the main control circuit is larger than a pressure threshold value, and closing the work power supply loop of the power supply module for supplying power to the electric tool body.
Wherein, be provided with the light on the electric tool body, electric tool control circuit still includes: the input end of the illumination acquisition circuit is connected with the electric tool body, and the output end of the illumination acquisition circuit is connected with the main control circuit and is used for acquiring the illumination intensity on the electric tool body and uploading the illumination intensity to the main control circuit; and the lighting trigger circuit is connected with the main control circuit, the input end of the lighting trigger circuit is connected with the power supply module, and the output end of the lighting trigger circuit is connected with the power supply module and is used for receiving a lighting trigger instruction issued by the main control circuit when the illumination intensity acquired by the main control circuit is smaller than an intensity threshold value, and closing the power supply module to supply power to the lighting lamp.
Wherein the management circuit includes: the input end of the voltage detection circuit is connected with the power supply module, the output end of the voltage detection circuit is connected with the main control circuit, and the voltage detection circuit is used for acquiring battery voltage data of the power supply module and uploading the battery voltage data to the main control circuit, cutting off a working power supply loop of the power supply module for supplying power to the electric tool body when the power supply module is in overvoltage or undervoltage, and cutting off the lighting power supply loop when the lighting power supply loop is closed; and the input end of the current detection circuit is connected with the power supply module, the output end of the current detection circuit is connected with the main control circuit, and the current detection circuit is used for acquiring battery current data of the power supply module and uploading the battery current data to the main control circuit, cutting off a working power supply loop of the power supply module for supplying power to the electric tool body when the power supply module overflows, and cutting off the lighting power supply loop when the lighting power supply loop is closed.
Wherein, be provided with display screen and bee calling organ on the electric tool body, the suggestion circuit includes: the input end of the display prompt circuit is connected with the main control circuit, the output end of the display prompt circuit is connected with the electric tool body, and the display prompt circuit is used for acquiring display prompt signals obtained after the main control circuit processes the battery state data and the equipment state data and transmitting the display prompt signals to the display screen; and the input end of the sound prompt circuit is connected with the main control circuit, the output end of the sound prompt circuit is connected with the electric tool body, and the sound prompt circuit is used for acquiring sound prompt signals obtained after the main control circuit processes the battery state data and the equipment state data and transmitting the display prompt signals to the buzzer.
Wherein, the electric tool control circuit still includes: the short-distance communication circuit is connected with the main control circuit and is used for receiving a networking control instruction issued by the service end to the main control circuit when the service end corresponding to the main control circuit is in a preset distance range; and the long-distance communication circuit is connected with the main control circuit and is used for uploading the battery state data and the equipment state data to the server and receiving a remote control instruction issued to the main control circuit by the server.
Wherein, the electric tool control circuit still includes: and the position detection circuit is connected with the main control circuit and is used for uploading the position information of the main control circuit to the server.
Wherein, the electric tool control circuit still includes: the first protective layer is arranged on the power supply module; the second protection layer is arranged on the main control circuit and all circuits connected with the main control circuit.
In order to solve the above-mentioned technical problem, a second aspect of the present utility model provides an electric tool, including: the electric tool body and the electric tool control circuit described in the first aspect.
Above-mentioned scheme, electric tool control circuit includes master control circuit, power supply module, management circuit, acquisition circuit and suggestion circuit, wherein, master control circuit possesses central integrated processing function, power supply module detachably installs on the electric tool body, so that the user can select the battery of different voltage specifications to use for master control circuit and electric tool body power supply according to the actual use scene, management circuit input is connected with power supply module, the output is connected with master control circuit, be used for obtaining power supply module's battery state data and upload to master control circuit, so that each group battery voltage of power supply module reaches the equilibrium, play the effect of protection power supply module, acquisition circuit input is connected with electric tool body, the output is connected with master control circuit, be used for obtaining electric tool body's equipment state data and upload to master control circuit, so that master control circuit can judge electric tool body during operation's equipment state through equipment state data, the suggestion circuit input is connected with master control circuit, the output is connected with electric tool body, be used for obtaining the suggestion signal that master control circuit handled battery state data and equipment state data after obtaining, with the suggestion signal transmission to electric tool body, with the effect of reminding user's using electric tool. Therefore, by adopting the design mode of the control circuit of the electric tool, the service life of the electric tool can be prolonged, and the use cost can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of a control circuit of an electric tool according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of another embodiment of a control circuit for a power tool according to the present utility model;
fig. 3 is a schematic structural diagram of an embodiment of the electric tool of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a power tool control circuit according to the present utility model, wherein the power tool control circuit 10 includes a main control circuit 11, a power supply module 12, a management circuit 13, an acquisition circuit 14 and a prompting circuit 15, wherein the power supply module 12 is detachably mounted on a power tool body (not identified) to supply power to the main control circuit 11 and the power tool body; the input end of the management circuit 13 is connected with the power supply module 12, and the output end of the management circuit is connected with the main control circuit 11, and is used for acquiring battery state data of the power supply module 12 and uploading the battery state data to the main control circuit 11; the input end of the acquisition circuit 14 is connected with the electric tool body, and the output end of the acquisition circuit is connected with the main control circuit 11 and is used for acquiring equipment state data of the electric tool body and uploading the equipment state data to the main control circuit 11; the input end of the prompting circuit 15 is connected with the main control circuit 11, and the output end is connected with the electric tool body, and is used for acquiring prompting signals obtained after the main control circuit 11 processes battery state data and equipment state data, and transmitting the prompting signals to the electric tool body.
Specifically, the main control circuit 11 has a central integrated processing function. Optionally, the chip selected by the main control circuit 11 may be an MCU chip, where the MCU chip refers to a micro control unit (MicrocontrollerUnit, MCU), also referred to as a single-chip microcomputer or a single-chip microcomputer, which is to properly reduce the frequency and the specification of the central processing unit, integrate peripheral interfaces such as a memory, a counter, a USB, an a/D conversion, UART, PLC, DMA, and even the LCD driving circuit on a single chip, and form a chip-level computer for performing different combination control for different application occasions.
Further, the power supply module 12 is detachably mounted on the electric tool body, and supplies power to the main control circuit 11 and the electric tool body.
Specifically, the power supply module 12 is detachably mounted on the electric tool body, so that a user can select the power supply modules 12 with different voltage specifications to supply power under different application occasions, and the effect that the user can meet various requirements of the user only by replacing the power supply modules 12 with different voltage specifications under the condition of ensuring that the user normally uses the electric tool is achieved, thereby prolonging the service life of the electric tool and reducing the production cost.
Alternatively, the power supply module 12 used in the present utility model may be a lithium battery with a power-type battery cell, and compared with other common lithium batteries, the lithium battery with the power-type battery cell has all parameters such as discharge rate, capacity, etc. superior to those of the common lithium battery cell.
Further, the management circuit 13 has an input terminal connected to the power supply module 12, and an output terminal connected to the main control circuit 11, and is configured to obtain and upload battery status data of the power supply module 12 to the main control circuit 11.
Specifically, the input end of the management circuit 13 is connected with the power supply module 12, so that the voltages of the batteries of the power supply module 12 reach balance, the batteries of the power supply module 12 keep consistent, damage of the batteries due to over-charge, over-current, under-voltage and other bad factors is avoided, the power supply module 12 is protected, and the output end of the management circuit 13 is connected with the main control circuit 11, so that the main control circuit 11 receives the battery state data of the power supply module 12 acquired by the management circuit 13. Wherein, the battery state data at least comprises the discharge multiplying power, the capacity and the like of the battery. Alternatively, the management circuit 13 may be the BMS management circuit 13, which is not limited in the present utility model.
Further, the input end of the acquisition circuit 14 is connected with the electric tool body, and the output end is connected with the main control circuit 11, so as to obtain the equipment state data of the electric tool body and upload the equipment state data to the main control circuit 11.
Specifically, the input end of the acquisition circuit 14 is connected with the electric tool body, so as to acquire the equipment state data of the electric tool body, wherein the equipment state data of the electric tool body at least comprises the pressure applied to the electric tool body, the working temperature of the electric tool body, the position information of the electric tool body and the like, and the output end of the equipment state data is connected with the main control circuit 11, so that the main control circuit 11 receives the equipment state data of the electric tool body acquired by the acquisition circuit 14 and judges the equipment state of the electric tool body during working through the equipment state data of the electric tool body acquired by the acquisition circuit 14.
Further, the input end of the prompting circuit 15 is connected with the main control circuit 11, and the output end is connected with the electric tool body, so as to obtain a prompting signal obtained after the main control circuit 11 processes the battery state data and the equipment state data, and transmit the prompting signal to the electric tool body.
Specifically, the input end of the prompting circuit 15 is connected with the main control circuit 11, so that the prompting circuit 15 obtains the prompting signal obtained after the battery state data and the equipment state data processed by the main control circuit 11, and the output end is connected with the electric tool body, so that the electric tool body obtains the prompting signal transmitted by the prompting circuit 15, and prompts the user of the working state of the electric tool body through the prompting signal. The prompting signal function at least comprises electric quantity display, overload alarm, automatic illumination and the like of the electric tool body.
In an implementation scenario, the main control circuit 11, the management circuit 13, the acquisition circuit 14 and the prompt circuit 15 are integrated on a circuit board, so that the manufacturing area of the circuit board can be saved, the cost is saved, the wiring is convenient, and the cost performance is high.
In another implementation scenario, the management circuit 13, the acquisition circuit 14 and the prompt circuit 15 are all connected with the main control circuit 11 in a plugging manner, so that the quality of mass production of products can be guaranteed, the production cost is reduced, and convenience can be provided for debugging and maintenance.
Above-mentioned scheme, electric tool control circuit 10 includes master control circuit 11, power supply module 12, management circuit 13, acquisition circuit 14 and warning circuit 15, wherein, master control circuit 11 possesses central integrated processing function, power supply module 12 detachably installs on the electric tool body, so that the user can select the battery of different voltage specifications to supply power for master control circuit 11 and electric tool body according to the actual use scene, management circuit 13 input is connected with power supply module 12, the output is connected with master control circuit 11, be used for obtaining the battery state data of power supply module 12 and uploading to master control circuit 11, so that each group battery voltage of power supply module 12 reaches the equilibrium, play the effect of protecting power supply module 12, acquisition circuit 14 input and electric tool body coupling, the output is connected with master control circuit 11, be used for obtaining the equipment state data of electric tool body and uploading to master control circuit 11, so that master control circuit 11 can judge the equipment state of electric tool body during operation through equipment state data, the warning circuit 15 input is connected with master control circuit 11, be used for obtaining the electric tool body after the battery state data and equipment state data are handled to the master control circuit 11, use warning signal to the user's warning signal. Therefore, by adopting the design method of the electric tool control circuit 10, the service life of the electric tool can be prolonged, and the use cost can be reduced.
In an embodiment, referring to fig. 2 in conjunction with fig. 1, fig. 2 is a schematic structural diagram of another embodiment of a control circuit of an electric tool according to the present utility model, the acquisition circuit 14 includes a pressure sensing circuit 140, a current acquisition circuit 142, a voltage acquisition circuit 144 and a temperature sensing circuit 146, wherein an input end of the pressure sensing circuit 140 is connected with the electric tool body, and an output end of the pressure sensing circuit is connected with the main control circuit 11, and is used for acquiring pressure data received by the electric tool body and uploading the pressure data to the main control circuit 11; the input end of the current acquisition circuit 142 is connected with the electric tool body, and the output end is connected with the main control circuit 11, and is used for acquiring the working current of the electric tool body and uploading the working current to the main control circuit 11; the input end of the voltage acquisition circuit 144 is connected with the electric tool body, and the output end of the voltage acquisition circuit is connected with the main control circuit 11 and is used for acquiring the working voltage of the electric tool body and uploading the working voltage to the main control circuit 11; the input end of the temperature sensing circuit 146 is connected with the electric tool body, and the output end is connected with the main control circuit 11, and is used for acquiring the working temperature of the electric tool body and uploading the working temperature to the main control circuit 11.
Specifically, the input end of the pressure sensing circuit 140 is connected with the electric tool body, so as to obtain pressure data received by the electric tool body, and the output end is connected with the main control circuit 11, so as to upload the pressure data received by the electric tool body to the main control circuit 11, so that the main control circuit 11 can autonomously judge the working state of the electric tool body through the pressure, and realize the functions of automatic shutdown or touch wakeup.
In an implementation scenario, when a rescue worker uses the electric tool, the electric tool is placed aside and forgets to be turned off manually, the main control circuit 11 determines that the pressure data received by the electric tool body uploaded by the pressure sensing circuit 140 is smaller than a preset pressure threshold, and at this time, the electric tool body is automatically turned off, so that the consumption of a battery is reduced, and the service life of the electric tool is prolonged. Alternatively, the preset pressure threshold range may be 1N to 2N, for example, 1N,1.2N,1.3N,1.4N,1.5N,2N, etc., which is not limited in the present utility model.
In another implementation scenario, when the rescue personnel prepare to reuse after the electric tool is placed for a short period of time, the electric tool is held on the hand, the main control circuit 11 judges that the pressure data received by the electric tool body uploaded by the pressure sensing circuit 140 is greater than the preset pressure threshold value, and at this time, the electric tool body is started by touching and awakening, so that the starting time is saved. Alternatively, the preset pressure threshold range may be 1N to 2N, for example, 1N,1.2N,1.3N,1.4N,1.5N,2N, etc., which is not limited in the present utility model.
In one specific application scenario, the pressure sensing circuit 140 is electrically connected to a button on the power tool body, and when the user manually presses the button, the power tool is awakened for use.
Further, the input end of the current collection circuit 142 is connected with the electric tool body, and the output end is connected with the main control circuit 11, so as to obtain the working current of the electric tool body and upload the working current to the main control circuit 11.
Specifically, the input end of the current collection circuit 142 is connected with the electric tool body for obtaining the working current of the electric tool body, the output end is connected with the main control circuit 11 for uploading the working current of the electric tool body to the main control circuit 11, so that the main control circuit 11 can monitor the working current of the electric tool body in real time, damage of the electric tool body due to current overload is avoided, the service life of the electric tool is prolonged, and the use cost is reduced.
Further, the input end of the voltage acquisition circuit 144 is connected with the electric tool body, and the output end is connected with the main control circuit 11, so as to obtain the working voltage of the electric tool body and upload the working voltage to the main control circuit 11.
Specifically, the input end of the voltage acquisition circuit 144 is connected with the electric tool body for obtaining the working voltage of the electric tool body, the output end is connected with the main control circuit 11 for uploading the working voltage of the electric tool body to the main control circuit 11, so that the main control circuit 11 can monitor the working voltage of the electric tool body in real time, the electric tool body is prevented from being damaged due to voltage overload, the service life of the electric tool is prolonged, and the use cost is reduced.
Further, the input end of the temperature sensing circuit 146 is connected with the electric tool body, and the output end is connected with the main control circuit 11, for obtaining the working temperature of the electric tool body and uploading to the main control circuit 11.
Specifically, the input end of the temperature sensing circuit 146 is connected with the electric tool body for obtaining the working temperature of the electric tool body, and the output end is connected with the main control circuit 11 for uploading the working temperature of the electric tool body to the main control circuit 11, so that the main control circuit 11 can monitor the working temperature of the electric tool body in real time, the electric tool body is prevented from being damaged due to scalding, the service life of the electric tool is prolonged, and the use cost is reduced.
In one implementation, the power tool control circuit 10 further includes a power trigger circuit 16. The input end of the power supply trigger circuit 16 is connected with the main control circuit 11, the output end of the power supply trigger circuit is connected with the power supply module 12, and the power supply trigger circuit is used for receiving a work trigger instruction issued by the main control circuit 11 when pressure data acquired by the main control circuit 11 is greater than a pressure threshold value, and closing a work power supply loop of the power supply module 12 for supplying power to the electric tool body.
Specifically, when the pressure data received by the electric tool body and acquired by the main control circuit 11 is greater than the pressure threshold, the power supply trigger circuit 16 receives the work trigger instruction issued by the main control circuit 11, and closes the work power supply loop of the power supply module 12 for supplying power to the electric tool body, so that the electric tool is awakened and started, and the starting time is saved. Alternatively, the pressure threshold range may be 1N-2N, e.g., 1N,1.2N,1.3N,1.4N,1.5N,2N, etc., as the utility model is not limited in this regard.
In one embodiment, the electric tool body is provided with an illumination lamp (not identified), and the electric tool control circuit 10 further includes an illumination acquisition circuit 17 and an illumination trigger circuit 18. The input end of the illumination acquisition circuit 17 is connected with the electric tool body, and the output end of the illumination acquisition circuit is connected with the main control circuit 11 and is used for acquiring the illumination intensity on the electric tool body and uploading the illumination intensity to the main control circuit 11; the input end of the illumination trigger circuit 18 is connected with the main control circuit 11, the output end is connected with the power supply module 12, and the illumination trigger circuit is used for receiving an illumination trigger instruction issued by the main control circuit 11 when the illumination intensity acquired by the main control circuit 11 is smaller than the intensity threshold value, and closing the illumination power supply loop of the power supply module 12 for supplying power to the illumination lamp.
Specifically, the input end of the illumination collection circuit 17 is connected with the electric tool body, so as to obtain the illumination intensity on the electric tool body, and the output end is connected with the main control circuit 11, so as to upload the illumination intensity on the electric tool body to the main control circuit 11, so that the main control circuit 11 can judge the field illumination intensity when a user uses the electric tool body through the illumination intensity on the electric tool body.
Further, the input end of the lighting trigger circuit 18 is connected with the main control circuit 11, the output end is connected with the power supply module 12, and the lighting trigger circuit is used for receiving a lighting trigger instruction issued by the main control circuit 11 when the illumination intensity acquired by the main control circuit 11 is smaller than the intensity threshold value, and closing the lighting power supply loop of the power supply module 12 for supplying power to the lighting lamp.
Specifically, when the illumination intensity obtained by the main control circuit 11 is smaller than the intensity threshold, the illumination triggering circuit 18 receives an illumination triggering instruction issued by the main control circuit 11, and closes an illumination power supply loop of the power supply module 12 for supplying power to the illumination lamp, so as to realize the automatic illumination function of the electric tool body. Alternatively, the preset range of the illumination intensity threshold may be 0.5lx to 1.0lx, for example, 0.5lx,0.6lx,0.7lx,0.8lx,0.9lx, 1.0lx, etc., which is not limited in the present utility model.
In an implementation scenario, when the light intensity in the rescue area where the rescue personnel are located is low, so that the sight line is poor and the rescue work is very difficult to be performed by using the electric tool, the main control circuit 11 can judge that the light intensity on the electric tool body uploaded by the light collecting circuit 17 is smaller than the preset light intensity, so that the lighting trigger instruction is issued, and after the lighting trigger instruction issued by the main control circuit 11 is received by the lighting trigger circuit 18, the lighting power supply circuit for supplying power to the lighting lamp by the power supply module 12 is closed, so that the lighting lamp on the electric tool body is turned on, and lighting is provided for the rescue personnel.
In another implementation scenario, when the illumination intensity in the rescue area where the rescue personnel are located is normal, and illumination is not required to be provided by the illumination lamp on the electric tool body, the main control circuit 11 can judge that the illumination intensity on the electric tool body uploaded by the illumination acquisition circuit 17 is greater than or equal to the preset illumination intensity, at this time, the main control circuit 11 does not issue an illumination trigger instruction to the illumination trigger circuit 18, the illumination power supply circuit for supplying power to the illumination lamp by the power supply module 12 is disconnected, the illumination lamp is turned off, and the consumption of a battery is reduced, so that the service life of the electric tool is prolonged.
Further, the management circuit 13 includes a voltage detection circuit 130 and a current detection circuit 132. The input end of the voltage detection circuit 130 is connected with the power supply module 12, the output end is connected with the main control circuit 11, and the voltage detection circuit is used for acquiring battery voltage data of the power supply module 12 and uploading the battery voltage data to the main control circuit 11, cutting off a working power supply loop of the power supply module 12 for supplying power to the electric tool body when the power supply module 12 is in overvoltage or undervoltage, and cutting off an illumination power supply loop when the illumination power supply loop is closed; the input end of the current detection circuit 132 is connected with the power supply module 12, and the output end is connected with the main control circuit 11, and is used for acquiring battery current data of the power supply module 12 and uploading the battery current data to the main control circuit 11, cutting off a working power supply loop of the power supply module 12 for supplying power to the electric tool body when the power supply module 12 is in overcurrent, and cutting off an illumination power supply loop when the illumination power supply loop is closed.
Specifically, the input end of the voltage detection circuit 130 is connected with the power supply module 12, for obtaining battery voltage data of the power supply module 12, the output end is connected with the main control circuit 11, for uploading the battery voltage data of the power supply module 12 to the main control circuit 11, when the power supply module 12 is over-voltage or under-voltage, the voltage detection circuit 130 cuts off a working power supply loop for supplying power to the electric tool body by the power supply module 12, and cuts off the lighting power supply loop when the lighting power supply loop is closed, the input end of the current detection circuit 132 is connected with the power supply module 12, for obtaining battery current data of the power supply module 12, the output end is connected with the main control circuit 11, for uploading the battery current data of the power supply module 12 to the main control circuit 11, when the power supply module 12 is over-current, the current detection circuit 132 cuts off the working power supply loop for supplying power to the electric tool body by the power supply module 12, and cuts off the lighting power supply loop when the lighting power supply loop is closed, thereby playing the role of protecting the battery of the power supply module 12, thereby prolonging the service life of the electric tool and reducing the use cost.
In one embodiment, the electric tool body is provided with a display (not identified) and a buzzer (not identified), and the prompting circuit 15 includes a display prompting circuit 150 and a sound prompting circuit 152. The input end of the display prompting circuit 150 is connected with the main control circuit 11, and the output end of the display prompting circuit is connected with the electric tool body and is used for acquiring display prompting signals obtained after the main control circuit 11 processes battery state data and equipment state data and transmitting the display prompting signals to the display screen; the input end of the voice prompt circuit 152 is connected with the main control circuit 11, and the output end of the voice prompt circuit is connected with the electric tool body and is used for acquiring voice prompt signals obtained after the main control circuit 11 processes battery state data and equipment state data and transmitting display prompt signals to the buzzer.
Specifically, the display circuit input is connected with the main control circuit 11, be used for obtaining the display prompt signal that the main control circuit 11 obtained after handling battery state data and equipment state data, the output is connected with the electric tool body, be used for transmitting display prompt signal to the display screen on, be convenient for point out the residual electric quantity of user's observation electric tool body, the sound prompt circuit 152 input is connected with the main control circuit 11, be used for obtaining the sound prompt circuit 152 that the main control circuit 11 obtained after handling battery state data and equipment state data, the output is connected with the electric tool body, be used for transmitting sound prompt signal to the buzzer on, be convenient for point out the equipment state of user's observation electric tool body, provide the convenience for the user.
In an implementation scenario, when the user observes that the electric quantity on the display screen is insufficient in display, the battery can be replaced immediately to continue to be used, when the user hears the buzzer to make a sound, the electric tool can be closed immediately, and the electric tool is prevented from being damaged due to overload, so that the service life of the electric tool is prolonged, and the use cost is reduced.
In one embodiment, the power tool control circuit 10 further includes a short-range communication circuit 19 and a long-range communication circuit 20. The short-distance communication circuit 19 is connected with the main control circuit 11, and is used for receiving a networking control instruction issued by the server to the main control circuit 11 when the server corresponding to the main control circuit 11 is in a preset distance range; the long-distance communication circuit 20 is connected to the main control circuit 11, and is used for uploading battery state data and equipment state data to the server, and receiving a remote control instruction issued to the main control circuit 11 by the server.
Specifically, the short-distance communication circuit 19 is connected with the main control circuit 11, when the service end corresponding to the main control circuit 11 is in a preset distance range, the short-distance communication circuit 19 receives a networking control instruction issued to the main control circuit 11 by the service end, so that a user can conveniently monitor the state of the battery in a short-distance manner in real time, damage to the battery caused by bad factors such as overvoltage, overcurrent and undervoltage can be effectively avoided, alternatively, the short-distance communication circuit 19 can be a bluetooth module for communication and the like, the long-distance communication circuit 20 is connected with the main control circuit 11, and is used for uploading battery state data and equipment state data to the service end and receiving a remote control instruction issued to the main control circuit 11 by the service end, so that the state of the battery can be conveniently monitored in a long-distance manner in real time, damage to the battery caused by bad factors such as overvoltage, overcurrent and undervoltage can be effectively avoided, and alternatively, the long-distance communication circuit 20 can be a WIFI communication of the internet of things and the like.
Further, the electric tool control circuit 10 further includes a position detection circuit 21. The position detection circuit 21 is connected to the main control circuit 11, and is configured to upload position information of the main control circuit 11 to the server.
Specifically, the position detection circuit 21 uploads the position information of the main control circuit 11 to the server, so that the user can find the position of the electric tool body through the server to prevent loss, and alternatively, the position detection circuit 21 may be a GPS positioning module.
In an implementation scene, when rescue workers use the electric tool and leave the electric tool in the rescue area, the specific position of the electric tool in the rescue area can be searched through GPS positioning and the service end, so that loss is avoided, and the production cost is reduced.
In one embodiment, the power tool control circuit 10 further includes a first protective layer (not identified) and a second protective layer (not identified). The first protection layer is disposed on the power supply module 12, and the second protection layer is disposed on the main control circuit 11 and all circuits connected to the main control circuit 11.
Specifically, the first protective layer and the second protective layer play a role in waterproofing so that the electric tool can stably operate under water for a long time. Alternatively, the first protective layer and the second protective layer may be materials with waterproof function, such as epoxy potting adhesive, which is not limited in the present utility model.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an electric tool according to an embodiment of the present utility model, and the electric tool 1 includes an electric tool body 30 and an electric tool control circuit 10 according to any of the above embodiments.
Specifically, by adopting the design method of the electric tool control circuit 10 according to any one of the embodiments described above, the service life of the electric tool can be prolonged, and the use cost can be reduced.
The foregoing description is only of embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A power tool control circuit, comprising:
a main control circuit;
the power supply module is detachably arranged on the electric tool body and is used for supplying power to the main control circuit and the electric tool body;
the input end of the management circuit is connected with the power supply module, and the output end of the management circuit is connected with the main control circuit and is used for acquiring the battery state data of the power supply module and uploading the battery state data to the main control circuit;
the input end of the acquisition circuit is connected with the electric tool body, and the output end of the acquisition circuit is connected with the main control circuit and is used for acquiring equipment state data of the electric tool body and uploading the equipment state data to the main control circuit;
and the input end of the prompting circuit is connected with the main control circuit, the output end of the prompting circuit is connected with the electric tool body, and the prompting circuit is used for acquiring prompting signals obtained after the main control circuit processes the battery state data and the equipment state data and transmitting the prompting signals to the electric tool body.
2. The power tool control circuit of claim 1, wherein the acquisition circuit comprises:
the input end of the pressure sensing circuit is connected with the electric tool body, and the output end of the pressure sensing circuit is connected with the main control circuit and is used for acquiring pressure data received by the electric tool body and uploading the pressure data to the main control circuit;
the input end of the current acquisition circuit is connected with the electric tool body, and the output end of the current acquisition circuit is connected with the main control circuit and is used for acquiring the working current of the electric tool body and uploading the working current to the main control circuit;
the input end of the voltage acquisition circuit is connected with the electric tool body, and the output end of the voltage acquisition circuit is connected with the main control circuit and is used for acquiring the working voltage of the electric tool body and uploading the working voltage to the main control circuit;
and the input end of the temperature sensing circuit is connected with the electric tool body, and the output end of the temperature sensing circuit is connected with the main control circuit and is used for acquiring the working temperature of the electric tool body and uploading the working temperature to the main control circuit.
3. The power tool control circuit of claim 2, further comprising:
and the power supply trigger circuit is connected with the main control circuit, the output end of the power supply trigger circuit is connected with the power supply module, and the power supply trigger circuit is used for receiving a work trigger instruction issued by the main control circuit when the pressure data acquired by the main control circuit is larger than a pressure threshold value, and closing the work power supply loop of the power supply module for supplying power to the electric tool body.
4. The power tool control circuit according to claim 1, wherein an illumination lamp is provided on the power tool body, the power tool control circuit further comprising:
the input end of the illumination acquisition circuit is connected with the electric tool body, and the output end of the illumination acquisition circuit is connected with the main control circuit and is used for acquiring the illumination intensity on the electric tool body and uploading the illumination intensity to the main control circuit;
and the lighting trigger circuit is connected with the main control circuit, the input end of the lighting trigger circuit is connected with the power supply module, and the output end of the lighting trigger circuit is connected with the power supply module and is used for receiving a lighting trigger instruction issued by the main control circuit when the illumination intensity acquired by the main control circuit is smaller than an intensity threshold value, and closing the power supply module to supply power to the lighting lamp.
5. The power tool control circuit of claim 4, wherein the management circuit comprises:
the input end of the voltage detection circuit is connected with the power supply module, the output end of the voltage detection circuit is connected with the main control circuit, and the voltage detection circuit is used for acquiring battery voltage data of the power supply module and uploading the battery voltage data to the main control circuit, cutting off a working power supply loop of the power supply module for supplying power to the electric tool body when the power supply module is in overvoltage or undervoltage, and cutting off the lighting power supply loop when the lighting power supply loop is closed;
and the input end of the current detection circuit is connected with the power supply module, the output end of the current detection circuit is connected with the main control circuit, and the current detection circuit is used for acquiring battery current data of the power supply module and uploading the battery current data to the main control circuit, cutting off a working power supply loop of the power supply module for supplying power to the electric tool body when the power supply module overflows, and cutting off the lighting power supply loop when the lighting power supply loop is closed.
6. The power tool control circuit according to claim 1, wherein a display screen and a buzzer are provided on the power tool body, the prompting circuit comprising:
the input end of the display prompt circuit is connected with the main control circuit, the output end of the display prompt circuit is connected with the electric tool body, and the display prompt circuit is used for acquiring display prompt signals obtained after the main control circuit processes the battery state data and the equipment state data and transmitting the display prompt signals to the display screen;
and the input end of the sound prompt circuit is connected with the main control circuit, the output end of the sound prompt circuit is connected with the electric tool body, and the sound prompt circuit is used for acquiring sound prompt signals obtained after the main control circuit processes the battery state data and the equipment state data and transmitting the display prompt signals to the buzzer.
7. The power tool control circuit of claim 1, further comprising:
the short-distance communication circuit is connected with the main control circuit and is used for receiving a networking control instruction issued by the service end to the main control circuit when the service end corresponding to the main control circuit is in a preset distance range;
and the long-distance communication circuit is connected with the main control circuit and is used for uploading the battery state data and the equipment state data to the server and receiving a remote control instruction issued to the main control circuit by the server.
8. The power tool control circuit of claim 7, further comprising:
and the position detection circuit is connected with the main control circuit and is used for uploading the position information of the main control circuit to the server.
9. The power tool control circuit of claim 1, further comprising:
the first protective layer is arranged on the power supply module;
the second protection layer is arranged on the main control circuit and all circuits connected with the main control circuit.
10. A power tool, comprising:
an electric tool body;
the power tool control circuit of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320918805.9U CN220043011U (en) | 2023-04-18 | 2023-04-18 | Electric tool control circuit and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320918805.9U CN220043011U (en) | 2023-04-18 | 2023-04-18 | Electric tool control circuit and electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220043011U true CN220043011U (en) | 2023-11-17 |
Family
ID=88725328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320918805.9U Active CN220043011U (en) | 2023-04-18 | 2023-04-18 | Electric tool control circuit and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220043011U (en) |
-
2023
- 2023-04-18 CN CN202320918805.9U patent/CN220043011U/en active Active
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