CN217720744U

CN217720744U - Protection plate with GPS anti-theft function

Info

Publication number: CN217720744U
Application number: CN202123424772.2U
Authority: CN
Inventors: 石开; 李小妹
Original assignee: Dongguan Bestway Technology Co ltd
Current assignee: Dongguan Bestway Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-11-01
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a take protection shield of GPS theftproof function, including charge-discharge control circuit, GPS module and detection circuitry, wherein: the charge and discharge control circuit comprises a power supply negative end, a load access end and a turn-off control module, wherein the power supply negative end is connected with the load access end through the turn-off control module and controls charge and discharge of the power supply through the turn-off control module; the GPS module comprises an anti-theft circuit, the anti-theft circuit is connected with the power supply, and the other end of the anti-theft circuit is connected with the turn-off control module and used for controlling the turn-off and the connection of the charge and discharge control circuit; the detection circuit comprises a detection GPS power supply pin module, and the detection circuit realizes the simultaneous turn-off or simultaneous communication of the control charge-discharge control circuit and the GPS module by detecting the cooperation of the GPS power supply pin module and the turn-off control module. Under the GPS's the circumstances of pulling out was realized to this application, the protection shield discharged and stopped the power supply for lithium battery equipment can't function, thereby plays the effect of protection and theftproof.

Description

Protection plate with GPS anti-theft function

Technical Field

The utility model relates to a lithium battery protection shield technical field specifically is a take protection shield of GPS theftproof function.

Background

The lithium battery equipment with the GPS in the current market can also continue to discharge under the condition that the GPS is detached, for example, an electric vehicle and an electric bicycle are provided with the lithium battery with the GPS, and after the GPS is detached, a circuit protection board can still continue to discharge, so that the electric vehicle is easy to steal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take protection shield of GPS theftproof function increases the power supply of protection shield GPS 5V circuit, and under the condition of having pulled out GPS, the protection shield discharges and stops the power supply for lithium electrical equipment can't function, thereby plays the effect of protection and theftproof.

In order to achieve the above object, the utility model provides a following technical scheme:

a protection shield with GPS theft prevention function, comprising:

the charge and discharge control circuit comprises a power supply negative end, a load access end and a turn-off control module, wherein the power supply negative end is connected with the load access end through the turn-off control module and controls charge and discharge of the power supply through the turn-off control module;

the GPS module comprises an anti-theft circuit, the anti-theft circuit is connected with the power supply, and the other end of the anti-theft circuit is connected with the turn-off control module and used for controlling the turn-off and the connection of the charge and discharge control circuit;

detection circuitry, including detecting GPS power supply foot module, sense terminal and control end, the sense terminal is connected on the GPS module through detecting GPS power supply foot module, and the control end is connected with shutoff control module, detection circuitry is through the cooperation that detects GPS power supply foot module, shutoff control module, and shutoff or intercommunication simultaneously when realizing control charge-discharge control circuit and GPS module.

Preferably, the anti-theft circuit comprises a triode, a first resistor, a second resistor, a third resistor and a fourth resistor, wherein one end of the first resistor is connected with a pin of the GPS, and the other end of the first resistor is respectively connected with the second resistor and an emitter of the triode; the other end of the second resistor is connected with a power supply; and the collector of the triode is connected with one end of a fourth resistor, and the other end of the fourth resistor is connected with the turn-off control module.

Preferably, the anti-theft circuit further comprises a weak current switch, one end of the weak current switch is connected with the power supply, and the other end of the weak current switch is respectively connected with the control end of the turn-off control module

Preferably, the turn-off control module comprises a MOS transistor; the grid electrode of the MOS tube is connected with the output end of the anti-theft circuit, and the source electrode and the drain electrode are respectively connected with the negative end of the power supply and the load access end.

The utility model discloses set up the theftproof circuit in the GPS module to utilize the theftproof circuit to turn-off control module and detect and turn-off the module and turn-off control, realize when the GPS module is torn down to lithium battery protection board, charge-discharge control circuit turns off in step, and then solves the GPS and is torn down the back, and its circuit protection board still can continue the work of discharging, leads to the easy stolen condition of equipment.

Drawings

FIG. 1 is a block diagram of a protection board with GPS anti-theft function;

FIG. 2 is a circuit diagram of the GPS module of FIG. 1;

fig. 3 is a circuit diagram of the anti-theft circuit in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1 in conjunction with fig. 2 and 3, as shown in the drawings, the present application provides a protection board with GPS anti-theft function, including:

the charge and discharge control circuit 10 comprises a power supply negative terminal 11, a load access terminal 12 and a turn-off control module 13, wherein the power supply negative terminal 11 is connected with the load access terminal 12 through the turn-off control module 13, and controls the charge and discharge of a power supply through the turn-off control module 13;

the GPS module comprises an anti-theft circuit 30, the anti-theft circuit 30 is connected with a power supply, and the other end of the anti-theft circuit is connected with the turn-off control module 13 and used for controlling the turn-off and the connection of the charge and discharge control circuit 10;

the detection circuit 14 comprises a detection GPS power supply pin module, a detection end and a control end, the detection end is connected to the GPS module through the detection GPS power supply pin module, the control end is connected with the turn-off control module 13, and the detection circuit 14 realizes turn-off or simultaneous communication of the charge and discharge control circuit 10 and the GPS module through the detection of the cooperation of the GPS power supply pin module and the turn-off control module 13.

Specifically, the protection board detects the CTLD pin position of the GPS module through the GPS power supply pin module for discharge work, the voltage of the GPS module is detected by the GPS power supply pin module for sampling detection and is output to the turn-off control module 13, the charge and discharge of the power supply are controlled by the turn-off control module 13, namely, after the GPS is detached, the 5V power supply voltage is disconnected, the turn-off control module 13 controls to be closed so that the protection board cannot discharge, and the protection board is in a stop working state.

Preferably, the anti-theft circuit 30 includes a triode 35, a first resistor 31, a second resistor 32, a third resistor 33, and a fourth resistor 34, one end of the first resistor 31 is connected to a pin of the GPS, and the other end is respectively connected to the second resistor 32 and an emitter of the triode 35; the other end of the second resistor 32 is connected with a power supply; the collector of the triode 35 is connected with one end of the fourth resistor 34, and the other end of the fourth resistor 34 is connected with the turn-off control module 13.

Preferably, the anti-theft circuit 30 further includes a weak current switch, one end of the weak current switch is connected to the power supply, and the other end of the weak current switch is respectively connected to the control end of the turn-off control module 13

Preferably, the turn-off control module 13 includes a MOS transistor; the grid electrode of the MOS tube is connected with the output end of the anti-theft circuit 30, and the source electrode and the drain electrode are respectively connected with the negative power terminal 11 and the load access terminal 12.

According to the above, the utility model discloses set up theftproof circuit 30 in the GPS module to utilize theftproof circuit 30 to turn-off control module 13 and detection turn-off module and turn-off control, realize when the GPS module is torn down to the lithium battery protection board, charge-discharge control circuit 10 turns off in step, and then solves the GPS and is torn down the back, and its circuit protection board still can continue the work of discharging, leads to the easy stolen condition of equipment.

The foregoing examples, while indicating preferred embodiments of the invention, are given by way of illustration and description, it is to be understood that the invention is not limited to the disclosed forms herein but is not intended to be exhaustive or to exclude other examples and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings or the skill or knowledge of the relevant art, and not to limit the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the invention, many changes and modifications can be made, and that those skilled in the art can make modifications and variations without departing from the spirit and scope of the invention, which is to be construed as falling within the scope of the appended claims. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a take protection shield of GPS theftproof function which characterized in that includes:

the detection circuit comprises a detection GPS power supply pin module, a detection end and a control end, wherein the detection end is connected to the GPS module through the detection GPS power supply pin module, and the control end is connected with the turn-off control module; the detection circuit realizes the simultaneous turn-off or simultaneous communication of the charge-discharge control circuit and the GPS module by detecting the cooperation of the GPS power supply pin module and the turn-off control module.

2. The protection board with the GPS anti-theft function according to claim 1, wherein the anti-theft circuit comprises a triode, a first resistor, a second resistor, a third resistor and a fourth resistor, one end of the first resistor is connected with one pin of the GPS, and the other end of the first resistor is respectively connected with the second resistor and an emitter of the triode; the other end of the second resistor is connected with a power supply; and the collector of the triode is connected with one end of a fourth resistor, and the other end of the fourth resistor is connected with the turn-off control module.

3. The protection board with the GPS theft prevention function according to claim 1, wherein the theft prevention circuit further includes a weak current switch, one end of the weak current switch is connected to a power supply, and the other end of the weak current switch is connected to a control end of the turn-off control module.

4. The protection board with the GPS theft prevention function according to claim 1, wherein the turn-off control module includes an MOS transistor; the grid electrode of the MOS tube is connected with the output end of the anti-theft circuit, and the source electrode and the drain electrode are respectively connected with the negative end of the power supply and the load access end.