CN210109756U

CN210109756U - Energy-saving keyboard

Info

Publication number: CN210109756U
Application number: CN201921267473.2U
Authority: CN
Inventors: 鲁秋菊
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-02-21
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses an energy-saving keyboard, including the keyboard body, circuit board and control system, be provided with a plurality of buttons on the keyboard body, the upper surface of every button is provided with the LED lamp, the circuit board sets up the inside at the keyboard body, control system includes the power, the time-recorder, the master controller, keyboard input module and infrared inductor, the power is connected with the master controller, infrared inductor is connected with the master controller, the time-recorder is connected with the master controller, power break-make module is connected with the master controller, keyboard input module is connected with power break-make module, the LED lamp is connected with power break-make module, the button is connected with keyboard input module. The utility model discloses the principle is simple, has solved the power consumptive fast problem of wireless keyboard from energy-concerving and environment-protective angle, makes wireless keyboard's battery life longer. The utility model discloses utilize the auto-induction technique, can not increase operator's operating procedure, the practicality is strong, easily uses widely.

Description

Energy-saving keyboard

Technical Field

The utility model relates to a keyboard especially relates to an energy-conserving keyboard.

Background

With the continuous progress of science and technology, computers play an important role in daily life and study, and as one of the input ends of the computers, keyboards are more indispensable hardware devices which people often contact, and the keyboards in the market at present are mainly divided into wired keyboards and wireless keyboards. The wireless keyboard is selected by people by virtue of the advantages of remote operation, no restriction of keyboard wires, convenience in carrying and the like, but the wireless keyboard also has some defects, such as quick battery power consumption and frequent battery replacement, and particularly for the wireless keyboard with a plurality of dazzling lights on the market at present, the battery power consumption problem influences the experience of people.

In order to solve the problem of fast power consumption of the wireless keyboard battery, people can select a battery with larger electric quantity for longer service time. Some improvement schemes to wireless keyboard have still appeared in the existing market to solve the power consumptive fast problem of battery, for example the wireless keyboard with hand power generation function that the chinese utility model patent that application number is 201520764574.6 discloses, the wireless keyboard of a standby-use battery formula that the chinese utility model patent that application number is 201310494533.5 discloses in addition.

The solution described above can theoretically solve the problem of fast power consumption of the keyboard battery, but has drawbacks. Firstly, the problem of power consumption of a battery is not solved from the perspective of environmental protection and energy conservation; secondly, no matter the keyboard with the spare battery scheme or the keyboard with the hand cranking power generation function is provided, the operation procedures of the operator can be increased in the using process of the keyboard, the use experience of the operator is affected, and the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide an energy-saving keyboard which has a simple structure, solves the problem of fast power consumption of the wireless keyboard from the perspective of energy conservation and environmental protection and ensures that the battery of the wireless keyboard has longer service life; the utility model discloses utilize the auto-induction technique, can not increase operator's operating procedure, the practicality is strong, easily uses widely.

In order to achieve the above object, the utility model adopts the following technical scheme: an energy-saving keyboard is characterized by comprising a keyboard body, a circuit board and a control system, wherein the keyboard body is provided with a plurality of keys, and an LED lamp is embedded on each key; the circuit board is arranged inside the keyboard body; the control system comprises a power supply, a timer, a main controller, a keyboard input module, a power on-off module, a Bluetooth output module and a plurality of infrared inductors, wherein the power supply is connected with the main controller and supplies power for each power consumption unit of the system, the plurality of infrared inductors are connected with the main controller and are used for detecting whether the hand of an operator enters an induction area of the infrared inductor and transmitting a detected signal to the main controller, the timer is connected with the main controller and records the time that the hand of the operator leaves the induction area of the infrared inductor and transmits a timing signal to the main controller, the power on-off module is connected with the main controller and is used for receiving a power supply cutting-off signal or a power supply conducting signal of the main controller, the power on-off module is connected with the keyboard input module and is used for cutting off or conducting a power supply for the keyboard input module, the power on-off module is connected with an LED lamp and, the keyboard input module is connected with the plurality of keys and used for receiving input instructions of the keys and transmitting the input instructions to the main controller through the power on-off module, and the Bluetooth output module is connected with the main controller and used for receiving output instructions of the main controller.

The energy-saving keyboard is characterized in that: the keyboard comprises a keyboard body, and is characterized in that an infrared inductor mounting part is arranged on the keyboard body, the infrared inductor mounting part comprises two first grooves, a second groove and a cover plate, the number of the first grooves is two, the two first grooves are symmetrically arranged on two sides of the upper part of the keyboard body, the second groove is arranged on the upper part of the keyboard body and is close to one side of an operator, two ends of the second groove are respectively communicated with one end of the two first grooves, the second groove and the two first grooves form a U-shaped through groove, the lower end of each infrared inductor is fixedly arranged at the bottom of the through groove, the cover plate and the through groove have the same shape and size, a plurality of through holes enabling induction windows at the upper ends of the infrared inductors to be exposed outside the through groove are arranged on the cover plate, the number of the through holes is equal to the number of the infrared inductors, and the positions of the through holes correspond to the positions of the, the cover plate is detachably mounted at the upper part of the through groove.

The energy-saving keyboard is characterized in that: the infrared sensors are human body pyroelectric infrared sensors, the number of the infrared sensors is 12-16, the distance between every two adjacent infrared sensors in the first groove and the distance between every two adjacent infrared sensors in the second groove are equal, the distance is L, and the L is 3-6 cm.

The energy-saving keyboard is characterized in that: the quantity of infrared inductor is 15, the equal and interval of interval between two adjacent infrared inductors in the first recess, the second recess is L, L is 5 cm.

The energy-saving keyboard is characterized in that: the timer, the master controller, the keyboard input module, the power on-off module and the Bluetooth output module are all arranged on the circuit board in an integrated mode.

The energy-saving keyboard is characterized in that: the main controller adopts a singlechip with the model of AT89C 58.

The energy-saving keyboard is characterized in that: the timer is a small timer with the model number of H7 ET.

The energy-saving keyboard is characterized in that: the power supply on-off module is an electromagnetic on-off switch module with the model number of DS2Y-S-DC 9V.

The energy-saving keyboard is characterized in that: the power supply is two dry batteries with five numbers.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a keyboard whether according to the operator hand in infrared inductor's induction area automatic switch operating condition, reach the purpose of saving power electric quantity, can not increase operator's operating procedure again simultaneously moreover, improved operator's use and experienced the sense.

2. The utility model discloses simple structure, it is economical and practical, the practicality is strong, convenient to popularize and use.

3. The utility model discloses the setting up of time-recorder makes the keyboard switch to the effect that the off-time state had the time delay to switch by operating condition, and the keyboard state that can not frequent switches makes the life of keyboard improve greatly.

4. The utility model discloses set up the LED lamp on realizing energy-conserving basis, because the life cycle that can make the battery of setting up of infrared inductor obtains the extension, use the LED lamp and need not worry the electric quantity of battery again when having optimized operator's use experience and feel.

5. The utility model discloses the human pyroelectric infrared sensor who chooses for use has the infrared ray of the specific wavelength that only receives human normal atmospheric temperature and send, can play the jam-proof effect, and human pyroelectric infrared sensor still has advantages such as low price, interference killing feature are strong moreover, is applicable to the operational environment of keyboard.

6. The utility model discloses be provided with the infrared inductor installation department, apron detachably installs on the upper portion that leads to the groove, can supply the operator to open the apron at any time, to leading to the inside infrared inductor inspection of inslot, change or maintenance.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view taken at a-a of fig. 1.

Fig. 3 is a schematic structural diagram of the cover plate of the present invention.

Fig. 4 is a schematic block diagram of the circuit of the present invention.

Description of reference numerals:

1-keyboard body; 2, pressing a key; 3-an infrared sensor;

4-power supply; 5, a timer; 6-a master controller;

7-keyboard input module; 8-1 — a first groove; 8-2 — a second groove;

9-LED lamps; 10-power on-off module; 11-a cover plate;

12-a through hole; 13-sensing window; 14-a circuit board;

15-bluetooth output module.

Detailed Description

As shown in fig. 1, 2 and 4, the present invention comprises a keyboard body 1, a circuit board 14 and a control system, wherein the keyboard body 1 is provided with a plurality of keys 2, each of the keys 2 is embedded with an LED lamp 9, the circuit board 14 is arranged inside the keyboard body 1, the control system comprises a power supply 4, a timer 5, a main controller 6, a keyboard input module 7, a power on-off module 10, a bluetooth output module 15 and a plurality of infrared sensors 3, the power supply 4 is connected with the main controller 6 and supplies power to each power unit of the system, the plurality of infrared sensors 3 are all connected with the main controller 6 and are used for detecting whether the hand of an operator enters the sensing area of the infrared sensor 3 and transmitting the detected signal to the main controller 6, the power on-off module 10 is connected with the main controller 6 and is used for receiving the power off signal or the power on signal of the main controller 6, the power on-off module 10 is connected with the keyboard input module 7 and is used for cutting off or conducting a power supply for the keyboard input module 7, the power on-off module 10 is connected with the LED lamp 9 and is used for cutting off or conducting a power supply for the LED lamp 9, the keyboard input module 7 is connected with the plurality of keys 2 and is used for receiving input instructions of the keys 2 and transmitting the input instructions to the main controller 6 through the power on-off module 10, and the Bluetooth output module 15 is connected with the main controller 6 and is used for receiving output instructions of the main controller 6.

During the use, can get into infrared inductor 3's induction zone when operator's hand is close to keyboard body 1, infrared inductor 3 will detect the infrared radiation signal that the human body sent to convert infrared radiation signal into the signal of telecommunication and carry to master controller 6, master controller 6 will handle the signal of telecommunication that infrared inductor 3 carried, and send the signal of telecommunication that switches on the power to power on-off module 10, make keyboard input module 7 and LED lamp 9 be in the state of normal circular telegram. On the contrary, after the use is finished, the hand of the operator leaves the sensing area of the infrared sensor 3, the infrared sensor 3 does not detect an infrared radiation signal, and the main controller 6 sends an electric signal for cutting off the power supply to the power supply on-off module 10, so that the keyboard input module 7 and the LED lamp 9 are in a state of stopping working.

The hand of an operator is close to or leaves the sensing area of the infrared sensor 3, and the states of the keyboard input module 7 and the LED lamp 9 are controlled on the premise of not increasing the operation program of the operator, so that the aim of saving energy is fulfilled, and the experience of the operator is improved.

As shown in fig. 4, the timer 5 is connected to the main controller 6, records the time when the hand of the operator leaves the sensing area of the infrared sensor 3, and transmits the timing signal to the main controller 6, the preset countdown time of the timer 5 can be arbitrarily set according to the use habit of the operator, and for convenience of explaining the working principle and function of the timer 5, the preset countdown time of the timer 5 is assumed to be 3 minutes. When the keyboard is in the normal use process, the hand of an operator leaves the induction area of the infrared inductor 3, the infrared inductor 3 detects that an infrared radiation signal is converted into an electric signal and is transmitted to the main controller 6, the main controller 6 sends a signal for starting timing to the timer 5, the timer 5 starts to count down for 3 minutes and transmits the timing signal to the main controller 6, and in the time period of counting down for 3 minutes, the main controller 6 still sends the electric signal for switching on the power supply to the power supply on-off module 10, so that the keyboard input module 7 and the LED lamp 9 are in the normal working state. In the time period of counting down for 3 minutes, the infrared sensor 3 still cannot detect the infrared radiation signal emitted by the human body and transmits the signal to the main controller 6, and the main controller 6 sends an electric signal for cutting off the power supply to the power supply on-off module 10, so that the keyboard input module 7 and the LED lamp 9 are in a state of stopping working. Within the time period of counting down for 3 minutes, the infrared sensor 3 detects the infrared radiation signal sent by the human body again, converts the infrared radiation signal into an electric signal and transmits the electric signal to the main controller 6, the main controller 6 sends a timing stopping signal to the timer 5, the power on-off module 10 still keeps the state of conducting the power supply, and the keyboard input module 7 and the LED lamp 9 are in the state of normal work. The timer 5 is arranged to enable the keyboard to have a delayed switching function when the keyboard is switched from the working state to the non-working state, so that the frequent switching of the keyboard state can be avoided when an operator needs to leave the keyboard frequently in the using process, and the service life of the keyboard can be prolonged.

As shown in fig. 1 to 3, an infrared sensor mounting portion is arranged on the keyboard body 1, the infrared sensor mounting portion includes two first grooves 8-1, two second grooves 8-2 and a cover plate 11, the number of the first grooves 8-1 is two, the two first grooves 8-1 are symmetrically arranged on two sides of the upper portion of the keyboard body 1, the second grooves 8-2 are arranged on the upper portion of the keyboard body 1 and close to one side of an operator, two ends of the second grooves 8-2 are respectively communicated with one ends of the two first grooves 8-1, the communicated second grooves 8-2 and the two first grooves 8-1 form a U-shaped through groove together, the lower end of each infrared sensor 3 is fixedly arranged at the bottom of the through groove, the cover plate 11 and the through groove have the same appearance and size, and an induction window 13 for exposing the upper end of the infrared sensor 3 is arranged on the cover plate 11 The number of the through holes 12 is equal to that of the infrared sensors 3, the positions of the through holes 12 correspond to those of the infrared sensors 3, and the cover plate 11 is detachably mounted on the upper portion of the through groove. An operator can open the cover plate 11 at any time and check, replace or maintain the infrared sensor 3 arranged in the through groove.

As shown in fig. 1 and 2, in order to enable an operator to enter the sensing area of the infrared sensor 3 from different angles and to be detected by the infrared sensor 3, the number of the infrared sensors 3 is set to 12-16, the distance between two adjacent infrared sensors 3 in the first groove 8-1 is equal to the distance between two adjacent infrared sensors 3 in the second groove 8-2, the distance is L, and the L is 3-6 cm.

Preferably, the number of the infrared sensors 3 is 15, the distance between two adjacent infrared sensors 3 in the first groove 8-1 is equal to the distance between two adjacent infrared sensors 3 in the second groove 8-2, the distance is L, and L is 5 cm.

Preferably, the infrared sensor 3 is a human body pyroelectric infrared sensor, a human body has a constant body temperature, generally, at about 37 ℃, the skin of the human body can emit infrared rays with a specific wavelength of about 10 μm, the human body pyroelectric infrared sensor works by detecting the infrared rays with the wavelength of about 10 μm emitted by the human body, is very sensitive to the infrared rays emitted by the human body and is insensitive to the infrared rays with other wavelengths, and thus, when a small animal or other objects enter the sensing area of the infrared sensor 3, the judgment and signal transmission of the infrared sensor 3 are not influenced. The human body pyroelectric infrared sensor also has the advantages of no radiation of any type, low power consumption of devices, good concealment, low price, strong anti-interference capability and the like, and is suitable for the working environment of the keyboard.

The main controller 6 is a single chip microcomputer with the model number of AT89C58, the power on-off module 10 is an electromagnetic on-off switch module with the model number of DS2Y-S-DC9V, the timer 5 is a small timer with the model number of H7ET, and the power supply is two dry batteries with five numbers.

Every all be provided with LED lamp 9 on the button 2, because the setting of infrared inductor 3 can make the life cycle of battery obtain the extension, use LED lamp 9 and need not worry the electric quantity of battery again when having optimized operator's use experience and feel.

The timer 5, the main controller 6, the keyboard input module 7 and the power on-off module 10 are all integrated on the circuit board 14.

The utility model discloses a theory of operation does: when the hand of the operator approaches the keyboard, the hand enters the sensing range of the infrared sensor 3, and the main controller 6 controls the keyboard to start working. When the hand of the operator leaves the sensing range of the infrared sensor 3, the timer starts to count down, and the master controller 6 controls the power on-off module 10 to control the states of the keyboard input module 7 and the LED lamp 9 within the time period from the start of counting down to the end of counting down. When the infrared sensor 3 cannot detect the infrared radiation signal emitted by the human body, the main controller 6 cannot immediately change the state of the power on-off module 10, and in the countdown time preset by the timer 5, the infrared sensor 3 cannot detect the infrared radiation signal emitted by the human body, so that the keyboard input module 7 and the LED lamp 9 are in a power-off state; within the countdown time preset by the timer 5, when the infrared sensor 3 detects the infrared radiation signal sent by the human body again, the countdown is finished, and the input module 7 and the LED lamp 9 continue to work normally. Therefore, the keyboard can automatically switch the working state according to whether the hand of an operator is in the sensing area of the infrared sensor 3, the purpose of saving the electric quantity of a power supply is achieved, the operation program of the operator cannot be increased, and the use experience of the improved operator is improved.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.

Claims

1. The energy-saving keyboard is characterized by comprising a keyboard body (1), a circuit board (14) and a control system, wherein the keyboard body (1) is provided with a plurality of keys (2), each key (2) is inlaid with an LED lamp (9), the circuit board (14) is arranged inside the keyboard body (1), the control system comprises a power supply (4), a timer (5), a master controller (6), a keyboard input module (7), a power supply on-off module (10), a Bluetooth output module (15) and a plurality of infrared inductors (3), the power supply (4) is connected with the master controller (6), the power supply (4) supplies power for each power unit of the system, the infrared inductors (3) are connected with the master controller (6) and are used for detecting whether the hand of an operator enters the sensing area of the infrared inductor (3) or not and transmitting detected signals to the master controller (6), the timer (5) is connected with the main controller (6) and records the time when the hand of the operator leaves the sensing area of the infrared sensor (3) and transmits a timing signal to the main controller (6), the power on-off module (10) is connected with the main controller (6) and is used for receiving a power off signal or a power on signal of the main controller (6), the power on-off module (10) is connected with the keyboard input module (7) and is used for cutting off or conducting the power supply to the keyboard input module (7), the power supply on-off module (10) is connected with the LED lamp (9) and is used for cutting off or conducting the power supply to the LED lamp (9), the keyboard input module (7) is connected with the plurality of keys (2) and is used for receiving input instructions of the keys (2) and transmitting the input instructions to the main controller (6) through the power on-off module (10), the Bluetooth output module (15) is connected with the master controller (6) and used for receiving an output instruction of the master controller (6).

2. A power saving keyboard according to claim 1, wherein: the keyboard comprises a keyboard body (1), and is characterized in that an infrared inductor mounting part is arranged on the keyboard body (1), the infrared inductor mounting part comprises two first grooves (8-1), two second grooves (8-2) and a cover plate (11), the number of the first grooves (8-1) is two, the two first grooves (8-1) are symmetrically arranged on two sides of the upper part of the keyboard body (1), the second grooves (8-2) are arranged on the upper part of the keyboard body (1) and close to one side of an operator, two ends of each second groove (8-2) are respectively communicated with one end of each first groove (8-1), the communicated second grooves (8-2) and the two first grooves (8-1) form a U-shaped through groove together, the lower end of each infrared inductor (3) is fixedly mounted at the bottom of the through groove, the cover plate (11) and the through grooves are identical in appearance and size, a plurality of through holes (12) enabling induction windows (13) at the upper ends of the infrared sensors (3) to be exposed outside the through grooves are formed in the cover plate (11), the number of the through holes (12) is equal to that of the infrared sensors (3), the positions of the through holes (12) correspond to that of the infrared sensors (3), and the cover plate (11) is detachably mounted on the upper portions of the through grooves.

3. A power saving keyboard according to claim 2, wherein: the infrared sensors (3) are human body pyroelectric infrared sensors, the number of the infrared sensors (3) is 12-16, the distance between every two adjacent infrared sensors (3) in the first groove (8-1) and the distance between every two adjacent infrared sensors (3) in the second groove (8-2) are equal, the distance is L, and the L is 3-6 cm.

4. A power saving keyboard according to claim 3, wherein: the number of the infrared sensors (3) is 15, and the L is 5 cm.

5. A power saving keyboard according to claim 1, wherein: the timer (5), the master controller (6), the keyboard input module (7), the power on-off module (10) and the Bluetooth output module (15) are all integrally arranged on the circuit board (14).

6. A power saving keyboard according to claim 1 or 5, wherein: the main controller (6) is a single chip microcomputer with the model number of AT89C 58.

7. A power saving keyboard according to claim 1 or 5, wherein: the timer (5) is a small timer with the model number of H7 ET.

8. A power saving keyboard according to claim 1 or 5, wherein: the power supply on-off module (10) is an electromagnetic on-off switch module with the model number of DS2Y-S-DC 9V.

9. A power saving keyboard according to claim 1, wherein: the power supply is two dry batteries with five numbers.