CN219179795U

CN219179795U - Durable timer

Info

Publication number: CN219179795U
Application number: CN202320493767.7U
Authority: CN
Inventors: 李小涛; 王赛龙; 朱丽文
Original assignee: Wuhan Yimao Electronic Technology Co ltd
Current assignee: Wuhan Yimao Electronic Technology Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-06-13
Anticipated expiration: 2033-03-10

Abstract

The utility model provides a durable timer, which comprises a PCB, a shell tube, a real-time clock chip and a microcontroller, wherein two ends of the shell tube are respectively provided with a plugging cover, the PCB is accommodated in the shell tube, the two ends of the PCB are respectively and detachably connected with the two plugging covers, one surface of the PCB is provided with at least one display screen, the other surface of the PCB is provided with a power supply piece, one end of the surface of the PCB provided with the power supply piece is provided with the real-time clock chip, the other end of the surface of the PCB is provided with the microcontroller, one end part of the PCB, which is close to the microcontroller, is provided with two opposite spring ejector pins, and a plug pin which is propped against the two spring ejector pins is inserted in one plugging cover so that the two spring ejector pins are connected through the plug pin, and the PCB is formed into a conducting loop to be not operated. The timer has simple structure, has the function of ultra-long time timing, and is suitable for popularization.

Description

Durable timer

Technical Field

The utility model relates to the technical field of timers, in particular to a durable timer.

Background

The mechanical timer needs to stir the spring to maintain running at random; the electromechanical timer requires a small synchronous alternating current motor to rotate the cam against the comb teeth of the switch contacts, and the size is relatively large; the quartz clock with special electronic device can reach higher precision than mechanical timer. Electronic timepieces are widely used for watches and stopwatches at present, but the device does not have a function of long-time timing and can not keep the previous timing under the condition of replacing a battery, so that a timer capable of keeping the previous timing when replacing a disposable battery is urgently needed.

Disclosure of Invention

In view of this, embodiments of the present utility model provide a durable timer.

The embodiment of the utility model provides a durable timer, which comprises a PCB, a shell tube, a real-time clock chip and a microcontroller, wherein two ends of the shell tube are respectively provided with a plugging cover, the PCB is accommodated in the shell tube, two ends of the PCB are respectively and detachably connected with the two plugging covers, one surface of the PCB is provided with at least one display screen, the other surface of the PCB is provided with a power supply piece, one end of the surface of the PCB provided with the power supply piece is provided with the real-time clock chip, the other end of the PCB is provided with the microcontroller, one end part of the PCB, which is close to the microcontroller, is provided with two opposite spring ejector pins, and one plugging cover is internally provided with pulling pins which are propped against the two spring ejector pins, so that the two spring ejector pins are connected through the pulling pins, and a conducting loop of the PCB is not operated.

Further, a standby rechargeable battery is arranged on one surface of the PCB, on which the real-time clock chip is arranged.

Further, the power supply piece comprises at least one battery clamping groove and disposable batteries matched with the battery clamping grooves, and each disposable battery is arranged in the corresponding battery clamping groove.

Further, the two ends of the PCB are respectively and fixedly provided with a switching block, and the PCB is detachably and fixedly connected with the two plugging covers through the two switching blocks.

Further, sealing O-shaped rings are arranged in each plugging cover.

Further, the plugging cover provided with the pull pin is provided with an avoidance hole, and the pull pin is inserted into the corresponding plugging cover through the avoidance hole.

Further, a sealing O-shaped ring is arranged at the part of the pull pin, which is positioned in the avoidance hole.

Further, the outer shell tube is a transparent borosilicate tube.

Further, the pull pin is made of a metal material.

Further, the microcontroller is of the model STM32L053.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the durable timer provided by the utility model has a simple structure, can be started to be used according to the requirement, can ensure that the timer is always in a timing state in the replacement process through the standby rechargeable battery when the disposable battery is replaced, and can avoid stopping timing when the disposable battery is replaced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a durable timer of the present utility model;

fig. 2 is a schematic structural view of a PCB board and its connection parts inside the case tube of fig. 1;

FIG. 3 is a schematic view of the lower view structure of FIG. 2;

FIG. 4 is a schematic view of the location of the spring thimble of FIG. 3.

In the figure: 1-shell tube, 2-plugging cover, 3-pin, 4-PCB board, 5-display screen, 6-battery clamping groove, 7-disposable battery, 8-standby rechargeable battery, 9-real-time clock chip, 10-microcontroller, 11-spring thimble.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, an embodiment of the present utility model provides a durable timer, which includes a PCB board 4, a housing tube 1, a real-time clock chip 9, and a microcontroller 10.

Referring to fig. 1, two ends of a casing tube 1 are respectively provided with a detachable sealing cap 2, each sealing cap 2 is internally provided with a sealing O-ring and is in sealing connection with a corresponding end of the casing tube 1 through a corresponding sealing O-ring, in this embodiment, the number of sealing O-rings in each sealing cap 2 is two, and the casing tube 1 is a transparent borosilicate tube.

Referring to fig. 2, a PCB 4 is located inside a casing tube 1, and two end portions of the PCB 4 are respectively provided with a connecting block (not shown in the drawing), and the PCB 4 is detachably and fixedly connected with two plugging caps 2 through the connecting blocks at two ends of the PCB 4, so that the PCB 4 can be relatively fixed in the casing tube 1.

One side of the PCB board 4 is provided with at least one display screen 5, in this embodiment, the number of the display screens 5 is two, which can be used to display the time of year, month and day, or only be used to display the time, each display screen 5 is electrically connected with the PCB board 4 uniformly, the other side of the PCB board 4 is provided with a power component, and the power component is electrically connected with the PCB board 4.

Referring to fig. 3, the power supply member includes at least one battery slot 6 and disposable batteries 7 adapted to each battery slot 6, each disposable battery 7 is installed in the corresponding battery slot 6, and each disposable battery 7 is electrically connected to the PCB board 4 through the battery slot 6, in this embodiment, the number of the battery slots 6 and the number of the disposable batteries 7 are two.

Referring to fig. 4, the real-time clock chip 9 and the microcontroller 10 are both disposed on a surface of the PCB where the battery card slot 6 is disposed, the real-time clock chip 9 is disposed at one end of the PCB, the microcontroller 10 is disposed in a middle position of the PCB, and the real-time clock chip 9 and the microcontroller 10 are electrically connected to the PCB 4, the real-time clock chip 9 is used to cooperate with each display 5 to realize timing, and the use of the real-time clock chip 9 is a relatively common prior art, so that detailed descriptions thereof are omitted; and the microcontroller 10 stores a control program required for timing.

The one side that the PCB board 4 was equipped with battery draw-in groove 6 still is equipped with reserve rechargeable battery 8, reserve rechargeable battery 8 and PCB board 4 electric connection, reserve rechargeable battery 8 is used for making real-time clock chip 9 and display screen 5 continue to work when changing disposable battery 7, avoid appearing stopping the timing, it should be explained here that reserve rechargeable battery 8 just works when disposable battery 7 changes or does not have the electricity, it is by the program control of microcontroller 10 memory, and this kind of control is a comparatively common prior art, therefore this is not repeated in detail.

The end part of one end of the PCB 4 far away from the real-time clock chip 9 is provided with two opposite spring ejector pins 11; the plugging cover 2 at the corresponding end of the shell tube 1 is provided with an avoidance hole, a pulling pin 3 is inserted into the avoidance hole, when the pulling pin 3 is inserted into the corresponding plugging cover 2, one end of the pulling pin, which is positioned in the corresponding plugging cover 2, is positioned between the two spring ejector pins 11, the two spring ejector pins 11 are contracted, the two spring ejector pins 11 are further communicated with each other through the pulling pin 3, the PCB 4 is in a conducting loop state when the two spring ejector pins 11 are communicated with each other, all parts are uniformly distributed to work, when timing is started, the pulling pin 3 is pulled out to enable the two spring ejector pins 11 not to be communicated, and at the moment, the PCB 4 and all parts on the PCB start to work and time.

One durable timer in this embodiment is used in the following manner: when the timing is started, the pulling pin 3 is pulled out, and all components are controlled by the microcontroller 10 to start working; when the disposable battery 7 does not have electric quantity and needs to be replaced, the abandoned disposable battery 7 is disassembled, the standby rechargeable battery 8 starts to work at the moment, so that each part continuously counts, after the new disposable battery 7 is installed, the standby rechargeable battery 8 stops working, and the new disposable battery 7 can supplement the electric quantity consumed by the standby rechargeable battery 8 so as to be replaced for the next time.

In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.

The embodiments described above and features of the embodiments herein may be combined with each other without conflict.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a durable time-recorder, its characterized in that includes PCB board, shell pipe, real-time clock chip and microcontroller, wherein shell pipe both ends are equipped with the shutoff lid respectively, PCB board holding is in the shell pipe, just PCB board both ends are connected with two can be dismantled to the shutoff lid respectively, be equipped with at least one display screen on the PCB board one side, the another side is equipped with the power piece, the PCB board is equipped with the one end of the one side of power piece is equipped with real-time clock chip, the other end is equipped with microcontroller, the PCB board is close to microcontroller's one end tip is equipped with two spring thimble towards opposite, one the shutoff lid interpolation be equipped with two the pin that pulls out that the spring thimble offseted, so that two the spring thimble passes through pull out the pin connection, and then make the PCB board forms and switches on the return circuit and does not work.

2. A durable timer as claimed in claim 1, wherein: and a standby rechargeable battery is arranged on one surface of the PCB, which is provided with the real-time clock chip.

3. A durable timer as claimed in claim 1, wherein: the power supply piece comprises at least one battery clamping groove and disposable batteries matched with the battery clamping grooves, and each disposable battery is arranged in the corresponding battery clamping groove.

4. A durable timer as claimed in claim 1, wherein: the two ends of the PCB are respectively and fixedly provided with a switching block, and the PCB is detachably and fixedly connected with the two plugging covers through the two switching blocks.

5. A durable timer as in claim 4, wherein: and each plugging cover is internally provided with a sealing O-shaped ring.

6. A durable timer as claimed in claim 1, wherein: the plugging cover provided with the pull pin is provided with an avoidance hole, and the pull pin is inserted into the corresponding plugging cover through the avoidance hole.

7. A durable timer as in claim 6, wherein: and a sealing O-shaped ring is arranged at the part of the pull pin, which is positioned in the avoidance hole.

8. A durable timer as claimed in claim 1, wherein: the outer shell tube is a transparent borosilicate tube.

9. A durable timer as claimed in claim 1, wherein: the pull pin is made of a metal material.

10. A durable timer as claimed in claim 1, wherein: the model of the microcontroller is STM32L053.