CN217588017U - Wireless charging special keyboard suitable for extremely cold environment - Google Patents

Abstract

The utility model provides a special wireless charging keyboard suitable for extremely cold environment, the special keyboard includes bluetooth changes USB module, battery, two USB interfaces and keyboard body, the keyboard body includes chassis, PCB board and a plurality of button, the keyboard includes key cap and key shaft; the PCB board is installed on the keyboard chassis, the key shaft is fixed on the PCB board, the key cap is installed on the key shaft, the utility model provides a special keyboard can-40- +40 normal work, and battery capacity satisfies can normal use 6 months after being full of the electricity, has improved current efficiency, reduces effectively and blocks up, reduces artifical the input, has reduced the realization cost.

Description

Wireless charging special keyboard suitable for extremely cold environment

Technical Field

The utility model belongs to bluetooth keyboard design field specifically, involves a wireless charge special keyboard suitable for extremely cold environment.

Background

According to the arrangement requirement of upgrading and reconstruction of the toll booth, all equipment in the booth needs to be placed in a standard rack with the booth content of 37U and is far away from toll operators. If the original special charging keyboard is adopted, a 5-meter extension cable needs to be additionally arranged, the keyboard on the operating platform is connected with the industrial personal computer in the rack in a downward wiring mode, and the signal transmission is damaged due to the overlong cable, so that normal charging operation cannot be completed, traffic jam (especially in a peak period with large traffic flow) is easily caused, the traffic efficiency is greatly influenced, and a series of problems such as energy waste and tail gas emission pollution are caused. When the problem occurs, the extremely cold wireless charging special keyboard can avoid troubles caused by cables, the keyboard adopts a high-power Bluetooth module to carry out wireless transmission, namely, the keyboard is placed outside a pavilion and can also meet the operation requirement, a toll collector normally finishes charging operation, the passing efficiency is improved, the congestion is effectively reduced, the manual input is reduced, and the implementation cost is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a reduce the puzzlement that the cable laid and brought, improve the flexibility ratio of operation, reduce cost, reduction manual input have provided a wireless charge special keyboard who is applicable to extremely cold environment.

The utility model discloses a realize through following scheme:

a wireless charging special keyboard suitable for an extremely cold environment comprises a Bluetooth-to-USB module, a battery, two USB interfaces and a keyboard body, wherein the keyboard body comprises a chassis, a PCB (printed circuit board) and a plurality of keys, and comprises keycaps and key shafts; the PCB board is installed on the keyboard chassis, the key shaft is fixed on the PCB board, and the keycap is installed on the key shaft.

Further, the keycap adopts a double-layer structure.

Further, the keyboard is provided with a waterproof and dustproof protective film, and the protection grade is greater than IP56.

Furthermore, when any key is pressed down, the keyboard cannot input information by pressing other keys.

Further, the key shaft uses a two-stage mechanical switch.

Furthermore, the key interval of the keyboard is twice or four times of the key interval of the common keyboard.

Furthermore, one of the two USB interfaces is connected with a battery for power supply, and the other USB interface is connected with a Bluetooth-to-USB module and communicated with a Bluetooth-to-USB module on the industrial personal computer.

Furthermore, the battery is installed in keyboard bottom plate below, the battery has two interfaces of charge and discharge, and the interface of discharging is connected with one of two USB, and another reserves the space in keyboard shell department and makes things convenient for external power supply to charge for the battery.

Furthermore, the keyboard is used and stored at the temperature of-40 degrees to +40 degrees.

The utility model has the advantages that

The utility model discloses the utilization can be-40- +40 normal work, and battery capacity satisfies can normal use 6 months after being full of the electricity, has improved current efficiency, reduces effectively to block up, reduces artifical the input, has reduced the realization cost.

Drawings

Fig. 1 is a keyboard layout diagram of the present invention;

fig. 2 is a keyboard definition diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a wireless charge special keyboard suitable for extremely cold environment which characterized in that: the special keyboard comprises a Bluetooth-USB module, a battery, two USB interfaces and a keyboard body, wherein the keyboard body comprises a chassis, a PCB and a plurality of keys, and the keyboard comprises keycaps and key shafts; the PCB is installed on the keyboard chassis, the key shaft is fixed on the PCB, and the keycap is installed on the key shaft.

The key caps adopt a double-layer structure, so that the characters are not worn in the service life, the key codes and the key caps are printed with Chinese characters, and the specific contents are manufactured according to the layout requirement;

the key cap characters are printed with Chinese characters, and the key operation function is directly marked. The design of characters and symbols conforms to the principle of man-machine engineering, is clear and easy to recognize and is not easy to wear;

the keyboard can provide some custom keys and spare keys. The specific number is made according to the key position layout according to the requirement. The keys may also be provided with an edge to increase the service life.

The keyboard is provided with a waterproof and dustproof protective film, and the protection grade is greater than IP56.

The keyboard logic should include a locking function to prevent erroneous data or the entry of more than two key codes at the same time. The first key pressed should be accepted that pressing other keys is not effective until the key is released;

various keys on the keyboard are not mistakenly registered for repeated use. If the operator presses keys in wrong order, the keyboard can not work normally, the operator can only operate correctly according to the rule to complete the charging process registration, otherwise, the operation is invalid

The key shaft uses a two-section type mechanical switch, so that the hand feeling is comfortable.

The key interval of the keyboard is twice or four times of the key interval of the common keyboard.

Two USB interfaces, one is connected the battery power supply, and another connects bluetooth commentaries on classics USB module and changes the communication of bluetooth commentaries on classics USB module on the industrial computer, and bluetooth module passes through the scope and is more than 30 meters, conveniently pierces through the toll booth.

The battery is installed in keyboard bottom plate below, the battery has two interfaces of charging and discharging, and the interface of discharging is connected with one of two USB, and another reserves the space in keyboard shell department and makes things convenient for external power supply to charge for the battery.

The keyboard is used for storing and the temperature is-40 degrees to +40 degrees.

The shell is manufactured according to the requirements of customers (stainless steel or iron plate can be used for spraying plastics, or ABS engineering plastics can be selected as the upper cover, and iron plate spraying plastics can be selected as the lower cover).

Has anti-electromagnetic interference measures to ensure reliable use in strong electromagnetic interference environment

The interface is provided with an AT large port or a PS/2 small port and an RS232 port which can be selected, and is provided with a PS/2 port.

The keyboard working state requires:

(1) Working voltage: 5V DC;

(2) Working current: less than or equal to 100mA;

(3) The keyboard is used and stored at a temperature of-40 degrees to +40 degrees;

(4) Working humidity: 10 to 90% RH;

(5) Mean time between failures MTBF: more than or equal to 10000 hours;

key shaft technical performance requirements:

(1) Operating force: 65 plus or minus 20CN;

(2) Double bonds as per force: more than 110 CN;

(3) Voltage: 12V DC;

(4) Current: 10mA AC, DC;

(5) Service life: not less than 20 times and not less than 107 times;

the wireless charging special keyboard suitable for the extremely cold environment provided by the utility model is introduced in detail, the principle and the implementation mode of the utility model are explained, and the explanation of the above embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (9)

1. A wireless charging special keyboard suitable for extremely cold environment which characterized in that: the special keyboard comprises a Bluetooth-USB module, a battery, two USB interfaces and a keyboard body, wherein the keyboard body comprises a chassis, a PCB and a plurality of keys, and the keyboard comprises keycaps and key shafts; the PCB board is installed on the keyboard chassis, the key shaft is fixed on the PCB board, and the keycap is installed on the key shaft.

2. The keyboard of claim 1, wherein: the keycap adopts a double-layer structure.

3. The keyboard of claim 1, wherein: the keyboard is provided with a waterproof and dustproof protective film, and the protection grade is greater than IP56.

4. The keyboard of claim 1, wherein: when any key is pressed down, the keyboard can not input information by pressing other keys.

5. The keyboard of claim 1, wherein: the key shaft uses a two-stage mechanical switch.

6. The keyboard of claim 1, wherein: the key interval of the keyboard is twice or four times of the key interval of the common keyboard.

7. The keyboard of claim 1, wherein: and one of the two USB interfaces is connected with a battery for power supply, and the other USB interface is connected with a Bluetooth-to-USB module and is communicated with a Bluetooth-to-USB module on the industrial personal computer.

8. The keyboard of claim 1, wherein: the battery is installed in keyboard bottom plate below, the battery has two interfaces of charge and discharge, and the interface of discharging is connected with one of two USB, and another reserves the space in keyboard shell department and makes things convenient for external power supply to charge for the battery.

9. The keyboard of claim 1, wherein: the keyboard is used and stored at a temperature of-40 degrees- +40 degrees.

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