CN105598504A - hand drill - Google Patents

Abstract

The invention provides an electric drill, which comprises an electric drill body, an electric motor 100 arranged on the electric drill body, a battery connected with the electric motor 100, a battery detector connected with the battery, a microcontroller connected with the battery detector and a data transmission device connected with the microcontroller. The battery detector is used for collecting the current and the voltage of the battery and calculating the health condition parameters of the battery, the microcontroller is used for receiving the health condition parameters transmitted from the battery detector and storing the health condition parameters, and the data transmission device is used for reading the health condition parameters from the microcontroller and outputting the health condition parameters. The problems that the health condition of the battery of the handheld electric drill cannot be known and intelligent control over the power output of the battery cannot be realized in the prior art are solved.

Description

hand drill

technical field

The invention relates to the field of electric tools, in particular to a hand-held electric drill.

Background technique

An electric drill is a drilling tool that uses electricity as power. It is widely used in construction, decoration, pan-furniture and other industries. It is used to open holes on objects or penetrate objects. Some industries are also called electric hammers.

During the long-term use of the existing hand-held electric drill with battery, the health status of the battery of the hand-held electric drill cannot be understood, and the electric power of the battery is wasted.

Contents of the invention

The invention provides a hand-held electric drill, which improves the problem that the hand-held electric drill in the prior art cannot understand the health status of its battery and cannot realize intelligent control of battery power output.

The present invention is achieved like this:

A hand-held electric drill, comprising: an electric drill body and a motor 100 arranged on the electric drill body, a drive circuit for driving the motor 100, a battery connected to the drive circuit, a battery detector connected to the battery, and a battery detector connected microcontroller and a data transmission device connected to the microcontroller. The battery detector is used to collect the current and voltage of the battery, and calculate the health status parameters of the battery, the microcontroller is used to receive the health status parameters transmitted from the battery detector, and store the health status parameters, and the data transmission device is used for Read health parameters from microcontroller and output.

Further, the above-mentioned battery detector includes a data acquisition module, a data processing module and a data transmission module, the data acquisition module is used to collect current and voltage from the battery, and the data processing module is used to calculate the collected current and voltage to obtain the health of the battery State parameters, the data transmission module is used to transmit the health state parameters to the microcontroller.

Further, when the above-mentioned data processing module calculates the health parameters of the battery, it calculates the voltage during operation and the voltage when the battery is fully charged to obtain the remaining battery capacity; divides the voltage when the battery is fully charged by the design voltage when the battery is fully charged to obtain the battery Capacity ratio; divide the fully discharged voltage of the battery during operation by the fully discharged design voltage to obtain the complete operating voltage ratio; divide the fully discharged current of the battery during operation by the fully discharged design current to obtain the complete operating current ratio; health status parameters Including battery remaining capacity, battery capacity ratio, full working voltage ratio, and full working current ratio.

Further, the microcontroller includes a data storage module, configured to receive and store the health status parameters transmitted from the battery detector.

Further, the above-mentioned hand-held electric drill also has a switch control device, which is used to control the circuit connection and disconnection of the drive circuit and the battery.

Further, the above-mentioned hand-held electric drill also includes a searchlight, and the searchlight is connected to the driving circuit.

Further, the above-mentioned hand-held electric drill also includes a battery output controller, which is used for receiving the health status parameters from the microcontroller and controlling the output of the electric power of the battery to the motor 100 according to the health status parameters.

Further, the above-mentioned data transmission device includes a bluetooth device, and the bluetooth device includes a bluetooth sending module and a bluetooth receiving module for connecting with a mobile application program.

Further, the above-mentioned data transmission device is provided with a data line connection port, which is used to connect to a display device through a data line.

Further, the above-mentioned microcontroller is a single-chip microcomputer.

One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:

By setting up a battery detector in the electric drill to collect the current and voltage of the battery regularly, and calculate the current and voltage, the health status of the battery such as the remaining battery capacity, battery capacity ratio, full working voltage ratio, and full working current ratio can be obtained. Parameters, and then transmit the health status parameters of the battery to the microcontroller, and store the health status parameters of the battery through the microcontroller, so that the health status parameters of the battery can be transmitted to the user from the data transmission device on a regular basis, and then The user can understand the health status of the battery more accurately and intuitively, and then can carry out improvement research on the battery through the health status parameters of the battery.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is the block schematic diagram of the first embodiment of the present invention;

Fig. 2 is a schematic diagram of the modules of the battery detector in the first embodiment of the invention;

FIG. 3 is a block diagram of a second embodiment of the present invention.

Reference signs: motor 100; drive circuit 200; switch control device 300; battery detector 400; data acquisition module 410; data processing module 420; data transmission module 430; microcontroller 500; data transmission device 600; battery 700; battery output controller 800; searchlight 900.

detailed description

The embodiment of the present invention solves the problem that parameters reflecting the working performance of the electric drill during actual use cannot be obtained by providing a hand-held electric drill.

The present invention solves the problem that the above-mentioned parameters that reflect the working performance of the electric drill in the actual use process cannot be obtained, and the general idea is as follows:

The electric drill includes an electric drill body, a motor disposed on the electric drill body, a battery connected to the motor, a battery detector connected to the battery, a microcontroller connected to the battery detector, and a data transmission device connected to the microcontroller. The current and voltage of the battery are collected regularly through the battery detector, and the current and voltage are calculated to obtain the health status parameters of the battery such as the remaining battery capacity, battery capacity ratio, full working voltage ratio, and full working current ratio, and then the battery The health status parameters of the battery are transmitted to the microcontroller, and the health status parameters of the battery are stored through the microcontroller, so that the health status parameters of the battery can be transmitted to the user from the data transmission device on a regular basis, and the user can be more accurate and intuitive The health status of the battery can be well understood, and then the battery can be improved through the health status parameters of the battery.

In order to better understand the above-mentioned technical solution, the above-mentioned technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

first embodiment

As shown in Figure 1, the electric drill provided by the first embodiment of the present invention includes an electric drill body and a motor 100 arranged on the electric drill body, a drive circuit 200 for driving the motor 100, a battery 700 connected to the drive circuit, and a battery A microcontroller 500 connected to the detector and a data transmission device 600 connected to the microcontroller. In this embodiment, the motor 100 is driven by the driving circuit 200 , the driving circuit 200 is electrically connected to the battery and also provided with a switch control device 300 for controlling disconnection and connection of the battery 700 and the driving circuit 200 . The battery detector 400 is not only electrically connected to the battery 700, but also connected in communication with the battery 700. The battery 700 supplies power to the battery detector 400. The battery detector 400 is used to collect the current and voltage of the battery, and calculate the health status parameters of the battery. The controller 500 is used to receive the health status parameters transmitted from the battery detector 400, and store the health status parameters, and the data transmission device 600 is connected to the microcontroller 500 for reading the health status parameters from the microcontroller 500. Health parameters and output.

Specifically, the electric motor 100 is used as a power device of the electric drill, and when it is powered on, its rotating shaft starts to rotate under the drive of the drive circuit, so as to work. The driving circuit 200 is a circuit connecting the motor 100 and the battery 700 , and the operation of the motor 100 is driven by the driving circuit 200 . In this embodiment, the switch control device 300 is a switch button. When the switch button is pressed, the driving circuit 200 and the battery 700 are connected, and the motor 100 starts to rotate. On the contrary, when the switch button is not pressed, the driving circuit 200 and the battery 700 are disconnected, and the motor 100 is in a non-working state.

The battery tester 400 is used to regularly collect the current and voltage of the battery 700 and perform calculations. Specifically, as shown in FIG. The module 410 is used to collect current and voltage from the battery. The current here includes the current when the battery 700 is fully discharged when it is working, and the voltage includes the voltage when the battery 700 is fully discharged when it is working, the voltage when the battery 700 is full, and the voltage when it is working. Data The processing module is used to collect the current and voltage of the battery 700 for calculation to obtain the health parameters of the battery 700 , and the data transmission module 430 is used to transmit the health parameters to the microcontroller 500 .

Further, the data collection module 410 enables the battery detector 400 to collect the current and voltage of the battery 700 every 10 ms. The set data collection module 410 can regularly collect the current and voltage of the battery 700, thereby continuously calculating the health status parameters of the battery 700. The time interval for the above-mentioned battery detector 400 to collect the current and voltage of the battery 700 is set so that it can be The health status of the battery 700 is more precisely and accurately counted, so that the calculated health status parameters are more accurate. Of course, in other embodiments, the interval time for the battery detector 400 to collect the current and voltage of the battery 700 can also be adjusted as required, for example, the battery detector 400 can be set to collect the current and voltage of the battery 700 every 8 ms.

Further, in this embodiment, when the data processing module 420 calculates the health status parameters of the battery 700, the voltage at work and the voltage when the battery is fully charged are calculated to obtain the remaining battery capacity, that is, the voltage at work is divided by the voltage when the battery is fully charged. The voltage of the battery is multiplied by the percentage to obtain the remaining battery capacity; the voltage when the battery is fully charged is divided by the design voltage when the battery is fully charged to obtain the battery capacity ratio; the fully discharged voltage of the battery 700 is divided by the design voltage when fully discharged to obtain Full working voltage ratio; divide the fully discharged current of the battery 700 during operation by the fully discharged design current to obtain the fully working current ratio; health status parameters include battery remaining capacity, battery capacity ratio, full working voltage ratio, and full working current ratio.

Preferably, the microcontroller 500 is specifically a single-chip microcomputer. The single-chip microcomputer has the advantages of small size, low power consumption, strong control function, flexible expansion, miniaturization, and convenient use. Using the single-chip microcomputer as the microcontroller 500 is conducive to the operation of the entire handheld electric drill. and fast processing of data.

Further, the microcontroller 500 includes a data storage module for receiving and storing the health status parameters transmitted from the battery detector 400 . That is, the battery detector 400 continuously transmits the calculated health status parameters to the microcontroller 500 and stores them in the data storage module. In order to transmit data through the data transmission device.

Further, in this embodiment, the data transmission device 600 is provided with a data line connection port, and the data connection port can be connected to a display device through a data line connection. The display device can be a computer, a mobile phone or a display screen, etc. By connecting the display device to the microcontroller 500, the user can regularly check the data in the data storage module of the microcontroller 500, so that the electric drill can be obtained simply and conveniently. The health status parameters of the battery 700 in a certain period of time, and then improve and optimize the battery according to the health status parameters of the battery 700 .

In this embodiment, by setting the microcontroller 500 and the battery detector 400 on the electric drill, the battery detector 400 regularly samples the current and voltage of the battery 700, and calculates the current and voltage to obtain the health status of the battery 700 parameter, and send it to the microcontroller 500, and then store the health status parameters through the microcontroller 500, and the user can obtain the health status parameters representing the battery 700 through the data transmission device 600, so as to study the effective output of the battery 700 of the electric drill , Improve the utilization efficiency of the electric drill to the battery.

second embodiment

Referring to accompanying drawing 3, the second embodiment of the present invention provides that the electric drill also includes the electric motor 100 of electric drill body, the driving circuit 200 that drives described electric motor 100, the battery 700 that is connected with described driving circuit, the microcontroller that is connected with battery detector The device 500 and the data transmission device 600 connected with the microcontroller. The battery tester 400 also includes a data acquisition module 410, a data processing module 420, and a data transmission module 430, and its setting refers to the first embodiment. This embodiment is different from the first embodiment in that in this embodiment, the hand-held electric drill also The battery output controller 800 is included, and the battery output controller is used for receiving health status parameters from the micro-controller and controlling the output of battery power to the motor 100 according to the health status parameters. The battery output controller 800 is electrically connected to the battery 700 , and the microcontroller 500 is communicatively connected to the battery output controller 800 . The microcontroller 500 is also provided with a battery output control module, which can control the output of the power of the battery 700 according to the health status parameters of the battery 700 calculated by the battery detector 400, the battery output control module and The battery output controller 800 is communicatively connected. When the health status of the battery 700 is not good, the output of the electric quantity of the battery 700 is reduced; otherwise, the electric quantity of the battery is normally output.

Furthermore, in this embodiment, the electric drill further includes a searchlight 900, which is connected to the drive circuit 200. When the switch button is not pressed, the searchlight 900 is in a dormant state. And when the switch button is pressed, the searchlight 900 lights up, indicating that the motor 100 enters the working state. Through the setting of the above-mentioned searchlight 900, the power-on state of the electric drill can be reflected externally, so that the user can know that the motor 100 is in the working state when the searchlight 900 is on.

Further, in this embodiment, the data transmission device 600 includes a Bluetooth device, and the Bluetooth module includes a Bluetooth sending module and a Bluetooth receiving module for connecting with a mobile phone application. The data stored in the data storage module in the microcontroller 500 can be sent to the mobile phone program through the Bluetooth sending module in the Bluetooth device, and the data can also be received by the Bluetooth receiving module, so that the data stored in the microcontroller 500 The health parameter data of the battery 700 is simply and conveniently transferred to the mobile phone. Users or maintenance personnel can connect with the Bluetooth device through the mobile app, and then collect the health status parameter data of the battery 700 of the electric drill for research purposes.

Further, in this embodiment, the microcontroller further includes a battery lock module, which is used to set a delay lock for the battery 700 . This makes it possible to perform more precise and safe control on the battery 700 and increase the performance of the battery 700 . For example, the user sets the battery 700 lock delay to 1 hour, and needs to input the unlock password when setting. The microcontroller 500 will turn off the output of the battery 700 after the countdown is completed. If the lock is to be unlocked, the user needs to use the mobile application to input the previously set unlock password.

Further, in the above-mentioned electric drill, the microcontroller 500 also includes a motor control module for controlling the speed of the motor 100 . The motor control module adjusts the rotational speed of the motor 100 so that the electric drill can always be in a normal working state, thereby further improving the actual performance of the electric drill.

To sum up, by setting the battery detector 400 in the electric drill to collect the current and voltage of the battery 700 regularly, and calculate the current and voltage, the remaining battery capacity, battery capacity ratio, full working voltage ratio, and fully working voltage ratio are obtained. The health status parameters of the battery 700 such as the current ratio, and then the health status parameters of the battery 700 are transmitted to the microcontroller 500 for storage, so that the battery health status parameters stored in the microcontroller 500 can be sent to the user from the data transmission device 600 on a regular basis On the electronic device, the user can understand the health status of the battery 700 more accurately and intuitively, and then control the power output of the battery 700 through the health status parameters of the battery 700, and optimize and improve the battery 700.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention have been clearly and completely described above in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

In addition, the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. an electric hand drill, is characterized in that, it comprises: electric drill body, be arranged at instituteState the motor 100 of electric drill body, the drive circuit that drives described motor 100 and instituteState battery, the battery detector being connected with described battery that drive circuit connects, and described electricityThe microcontroller that pool detector connects and the transfer of data being connected with described microcontroller dressPut, described battery detector is used for gathering electric current and the voltage of described battery, and calculatesThe component health parameters of described battery, described microcontroller is for receiving from described battery detectingThe described component health parameters of device transmission, and described component health parameters is stored to instituteState data transmission device for read described component health parameters defeated from described microcontrollerGo out.

2. electric hand drill according to claim 1, is characterized in that, described battery inspectionSurvey device and comprise data acquisition module, data processing module and data transmission module, described numberBe used for gathering described electric current and described voltage from described battery, described data place according to acquisition moduleReason module, for the described electric current and the described voltage that gather are calculated, obtains described batteryComponent health parameters, described data transmission module is for by the transmission of described component health parametersTo described microcontroller.

3. electric hand drill according to claim 2, is characterized in that, described data placeWhen reason module is calculated the component health parameters of described battery, the described voltage during by work and electricityDescribed voltage when pond is full of calculates residual capacity of battery; When described battery is full ofThe design voltage of described voltage while being full of divided by described battery, obtain battery capacity ratio; WillThe described voltage that described in when work, battery discharges completely, divided by the design voltage discharging completely, obtainsTo complete operating voltage ratio; The described electric current that described in during by work, battery discharges is completely divided by completeThe design current of full electric discharge, obtains complete operating current ratio; Described component health parameters comprisesDescribed residual capacity of battery, described battery capacity ratio, described complete operating voltage ratio, described completeFull operating current ratio.

4. electric hand drill according to claim 1, is characterized in that, described microcontrollerDevice comprises data memory module, for receiving and store from the institute of described battery detector transmissionState component health parameters.

5. electric hand drill according to claim 1, is characterized in that, described electric drill alsoComprise switch controlling device, described switch controlling device is used for controlling described drive circuit and instituteState circuit communication and the disconnection of battery.

6. electric hand drill according to claim 5, is characterized in that, described hand-held electricityBore and also comprise searchlight, described searchlight is connected with described drive circuit.

7. electric hand drill according to claim 1, is characterized in that, described hand-held electricityBore and also comprise battery o controller, described battery o controller is for receiving from describedThe described component health parameters of microcontroller and according to described component health parameters to described batteryThe described motor 100 that exports to of electric weight control.

8. electric hand drill according to claim 1, is characterized in that, described data passConveying device comprises bluetooth equipment, and described bluetooth equipment comprises that bluetooth sending module and bluetooth receiveModule.

9. electric hand drill according to claim 1, is characterized in that, described data passConveying device is provided with data wire connector, described data wire connector for by data wire withDisplay device connects.

10. electric hand drill according to claim 1, is characterized in that, described micro-controlDevice processed is single-chip microcomputer.