CN113097010A

CN113097010A - Timer with automatic power-off function

Info

Publication number: CN113097010A
Application number: CN202110350297.4A
Authority: CN
Inventors: 范海玲; 张�林
Original assignee: Ningbo Shijia Electronic Technology Co ltd
Current assignee: Ningbo Shijia Electronic Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-07-09
Anticipated expiration: 2041-03-31
Also published as: CN113097010B

Abstract

The invention discloses a timer with an automatic power-off function, which relates to the technical field of electronic timers and comprises the following components: upper cover, lower cover, through the fixed electric connection device of upper cover and lower cover, electric connection device includes: the upper slot is arranged between the upper cover and the lower cover, and the protection seat is fixed at the bottom of the lower cover and is used for connecting a power supply; the protection seat comprises a pin, a reset device and a fastening device, wherein the pin is provided with a spring retainer ring and is sleeved with a reset spring; the reset device is arranged at the upper part of the plug pin, the buckling device is arranged at the side part of the plug pin, the buckling device comprises an electromagnetic device and a buckling block, when the electromagnetic device is powered off, the buckling block is separated from the plug pin to be abutted, and the plug pin is jacked up under the action of the reset spring, so that the plug pin and the socket are separated to be powered off; the invention realizes the automatic power-off effect of the electronic timer under the condition of power failure, and can play a good role in protecting the timer, the electrical appliances on the timer and users.

Description

Timer with automatic power-off function

Technical Field

The invention relates to the technical field of electronic timers, in particular to a timer with an automatic power-off function.

Background

The electronic timer of prior art can carry out the plug operation of a lot of times in installation use, especially for the electronic timer, play the effect of intermediate junction, the number of times of withstanding the plug is more, therefore the firm reliable more important of installation of electronic timer, it is closely relevant rather than life, simultaneously, in order to further improve the security when the electronic timer uses, need take place electric leakage trouble or need protect when electrocuting to the human body that has fatal danger, can in time break the circuit, the electronic timer of prior art can not realize fine guard effect.

The utility model discloses an outdoor mechanical timer as disclosed in chinese utility model patent CN201780470U, including a timer body, a timing adjusting device, a power input plug and a power output socket, which are arranged on the timer body, the power output socket is covered with a first waterproof cover, the first waterproof cover is pivoted on the timer body through a first pivoting device, the timing adjusting device is covered with a second waterproof cover, the second waterproof cover is pivoted on the timer body through a second pivoting device; the utility model discloses a timer structure is comparatively complicated to can't realize the power-off protection function.

Disclosure of Invention

First, technical problem to be solved

The invention provides a timer with an automatic power-off function aiming at the defects in the prior art, and solves the problem that the conventional timer cannot well realize power-off protection.

Second, technical scheme

In order to solve the above technical problem, the present invention provides a timer with an automatic power-off function, comprising: upper cover, lower cover, through the fixed electric connection device of upper cover and lower cover, electric connection device includes: the upper slot is arranged between the upper cover and the lower cover, and the protection seat is fixed at the bottom of the lower cover and is used for connecting a power supply;

the protection seat comprises a pin, a reset device and a fastening device, wherein the pin is provided with a spring retainer ring, the pin is sleeved with a reset spring, one end of the reset spring is abutted against the spring retainer ring, and the other end of the reset spring is abutted against the protection seat;

resetting means sets up on participating in the upper portion, and fastening device sets up and participates in the lateral part, and fastening device includes electromagnetic means and lock joint piece, and under the on-state, electromagnetic means can drive lock joint piece, through lock joint piece with participate in the butt to make and participate in and keep stretching out the state, lose the electricity when electromagnetic means, lock joint piece breaks away from the butt with participating in, participates in under reset spring's effect by jack-up, makes and participates in and the socket separation outage.

The timer with the automatic power-off function further comprises a control button and a screen display device, wherein the control button is used for setting the timing of the electronic timer, and the screen display device is used for displaying the state of the electronic timer.

Wherein, electromagnetic means includes electromagnetic adsorption device and drive iron core, and drive iron core one end and lock joint piece lock joint drive the motion of lock joint piece through drive iron core.

The buckling block is a bent metal sheet, a vertical clamping groove is formed in one side of the metal sheet, the vertical clamping groove can be clamped with the driving iron core, a transverse clamping block is arranged on the other side of the metal sheet, and the transverse clamping block can be abutted to the reset clamping groove.

Wherein, the plug pin is electrically connected with the upper slot through the annular electric connection sheet.

Wherein, still be equipped with spring fixed part on the lower cover.

Wherein, the spring fixed part is a spring clamping groove.

Wherein, the upper cover and the lower cover are made of flame retardant plastics.

The reset device comprises a reset key and a pin pressing plate, and the pin pressing plate is abutted to the pin.

Third, beneficial effect

Compared with the prior art, the timer with the automatic power-off function, provided by the invention, has the advantages that the automatic power-off effect of the electronic timer under the power-off condition is realized through the arrangement of the reset device and the buckling device, and the timer can well protect the timer, electric appliances on the timer and users;

specifically, when the circuit leaks electricity or cuts off the power supply, the electromagnetic device on the fastening device is powered off, and does not adsorb the driving iron core, so that the driving iron core and the reset clamping groove are tripped, the pin is jacked up under the action of the reset spring, the pin is separated from the corresponding socket, and the power is cut off, and the circuit protection function is further realized.

Drawings

FIG. 1 is a perspective view of an upper cover and a lower cover of the present invention;

FIG. 2 is a perspective view of the electrical connection device of the present invention;

FIG. 3 is a perspective view of the fastening device of the present invention;

FIG. 4 is a perspective view of the protective housing of the present invention;

FIG. 5 is a perspective view of a pin of the present invention;

in the figure: 1 is an upper cover; 2 is a lower cover; 3 is an electric connecting device; 4 is a control button; 5 is a screen display device; 6 is an upper slot; 7 is a protective seat; 8 is a pin; 10 is a fastening device; 11 is a reset card slot; 12 is a spring retainer ring; 13 is a spring fixing part; 14 is a reset key; 15 is a pin pressing plate; 16 is a return spring; 17 is an electromagnetic device; 18 is a driving iron core; 19 is a fastening block; 20 is a vertical clamping groove; and 21 is a transverse fixture block.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1 to 5, a timer with an automatic power-off function according to an embodiment of the present invention includes: upper cover 1, lower cover 2, through the fixed electric connection device 3 of upper cover 1 and lower cover 2, electric connection device 3 includes: an upper slot 6 arranged between the upper cover 1 and the lower cover 2, and a protection seat 7 fixed at the bottom of the lower cover 2 and used for connecting a power supply;

the protection seat 7 comprises a pin 8, a reset device and a buckling device 10, wherein a spring retainer ring 12 is arranged on the pin 8, a reset spring 16 is sleeved on the pin 8, one end of the reset spring 16 is abutted against the spring retainer ring 12, and the other end of the reset spring 16 is abutted against the protection seat 7; specifically, the pin 8 penetrates through the bottom of the protective seat 7, the return spring 16 can jack the pin 8, the upper part of the return key 14 is flush with the bottom of the upper slot 6, and the return spring 16 can be further compressed by pressing the return key 14 on the return device, so that the pin 8 extends out of the bottom of the protective seat 7;

reset device sets up in prong 8 upper portion, and lock joint device 10 sets up in the lateral part of prong 8, and lock joint device 10 includes electromagnetic means 17 and lock joint piece 19, and under the on-state, electromagnetic means 17 can drive lock joint piece 19, through lock joint piece 19 with the butt of prong 8 to make prong 8 keep stretching out the state, when electromagnetic means 17 loses the electricity, lock joint piece 19 breaks away from the butt with prong 8, prong 8 is by jack-up under reset spring 16's effect, makes prong 8 and socket separation outage.

The timer also comprises a control button 4 and a screen display device 5, in the specific use process, the electronic timer is set in a timing mode through the control button 4, and the screen display device 5 is used for displaying the state of the electronic timer; the electromagnetic device 17 comprises an electromagnetic adsorption device and a driving iron core 18, one end of the driving iron core 18 is buckled with the buckling block 19, and the buckling block 19 is driven to move by the driving iron core 18. The buckling block 19 is a bent metal sheet, a vertical clamping groove 20 is formed in one side of the metal sheet, the vertical clamping groove 20 can be clamped with the driving iron core 18, a transverse clamping block 21 is arranged on the other side of the metal sheet, and the transverse clamping block 21 can be abutted to the reset clamping groove 11. Under the normal operating condition, participate in 8 pushes down and stretches out and peg graft with the socket, at this moment, electromagnetic device 17 adsorbs drive core 18, and it is taut with fastening piece 19 through drive core 18, horizontal fixture block 21 and the draw-in groove 11 joint that resets this moment, thereby participate in 8 position locking, keep normal operating condition, when losing electricity or electric leakage, electromagnetic device 17 is not adsorbing drive core 18, drive core 18 is ejecting by the spring in electromagnetic device 17 this moment, horizontal fixture block 21 is not in the joint with the draw-in groove 11 that resets, participate in 8 by the jack-up under reset spring 16's effect, thereby realize the guard effect.

In this embodiment, the pin 8 is electrically connected to the upper socket 6 through an annular electrical connection sheet.

And the upper cover 1 and the lower cover 2 are made of flame-retardant plastics, so that the protective effect is further achieved.

The reset means comprises a reset key 14 and a pin press plate 15, the pin press plate 15 abutting the pin 8.

Example 2:

as shown in fig. 4, compared with embodiment 1, in this embodiment, the lower cover 2 is further provided with a spring fixing portion 13; specifically, the spring fixing portion 13 is a spring catch, and has an effect of fixing the return spring 16.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A timer with an automatic power-off function, comprising: upper cover (1), lower cover (2), through upper cover (1) and the fixed electric connection device (3) of lower cover (2), electric connection device (3) include: an upper slot (6) arranged between the upper cover (1) and the lower cover (2), and a protective seat (7) fixed at the bottom of the lower cover (2) and used for connecting a power supply;

the protective seat (7) comprises a pin (8), a reset device and a fastening device (10), a spring retainer ring (12) is arranged on the pin (8), a reset spring (16) is sleeved on the pin (8), one end of the reset spring (16) is abutted against the spring retainer ring (12), and the other end of the reset spring (16) is abutted against the protective seat (7);

the reset device is arranged on the upper portion of the pin (8), the buckling device (10) is arranged on the side portion of the pin (8), the buckling device (10) comprises an electromagnetic device (17) and a buckling block (19), in the power-on state, the electromagnetic device (17) can drive the buckling block (19) to abut against the pin (8) through the buckling block (19), so that the pin (8) is kept in the extending state, when the electromagnetic device (17) is powered off, the buckling block (19) is separated from the pin (8) to abut against, and the pin (8) is jacked up under the action of the reset spring (16), so that the pin (8) is separated from the socket to be powered off.

2. A timer with automatic power-off function according to claim 1, further comprising a control button (4) and an on-screen display device (5), wherein the control button (4) is used for timing setting of the electronic timer, and the on-screen display device (5) is used for displaying the state of the electronic timer.

3. The timer with the automatic power-off function as claimed in claim 1, wherein the electromagnetic device (17) comprises an electromagnetic adsorption device and a driving iron core (18), one end of the driving iron core (18) is fastened with the fastening block (19), and the fastening block (19) is driven to move by the driving iron core (18).

4. The timer with the automatic power-off function according to claim 3, wherein the fastening block (19) is a bent metal sheet, one side of the metal sheet is provided with a vertical clamping groove (20), the vertical clamping groove (20) can be fastened with the driving iron core (18), the other side of the metal sheet is provided with a horizontal clamping block (21), and the horizontal clamping block (21) can be abutted with the reset clamping groove (11).

5. The timer with the automatic power-off function as claimed in claim 1, wherein the pin (8) is electrically connected with the upper slot (6) through a ring-shaped electric connection sheet.

6. The timer with the automatic power-off function as claimed in claim 1, wherein the lower cover (2) is further provided with a spring fixing portion (13).

7. The timer with the automatic power-off function as claimed in claim 6, wherein the spring fixing portion (13) is a spring catch.

8. The timer with the automatic power-off function as claimed in claim 1, wherein the upper cover (1) and the lower cover (2) are made of flame retardant plastic.

9. A timer with auto-power-off function according to claim 1, wherein the reset means comprises a reset key (14) and a pin presser plate (15), the pin presser plate (15) abutting against the pin (8).