CN107031533A - A kind of circuit cutter, automobile line protection device and telesecurity control system - Google Patents

Abstract

The invention relates to the technical field of automobile safety equipment, and provides a circuit cutter, an automobile circuit protection device and a remote safety control system. The circuit cutter includes a cylindrical shell and a fixing sleeve installed at the open end of the cylindrical shell. A gas generator is fixedly installed in the cavity surrounded by the open end and the fixed sleeve; a piston is arranged in the cavity of the cylindrical shell, and the open end of the piston faces the end of the cylindrical shell away from the fixed sleeve, and the length of the piston is less than that of the cylinder. The extension length of the cavity of the shaped housing; the side wall of the opening end of the piston is provided with a piston knife edge, and the cylindrical shell is provided with a shell knife edge that matches with the piston knife edge and is used to provide a gap for the line threading hole; the cylindrical shell There are several vent holes on the top, and the vent holes are set at the position corresponding to the cylindrical shell and the piston, so as to realize the rapid cutting of the line, avoid the vehicle accident caused by the short circuit, and protect the personal and property safety of the user.

Description

A line cutter, automobile line protection device and remote safety control system

technical field

The invention belongs to the technical field of automobile safety equipment, and in particular relates to a line cutter, an automobile line protection device and a remote safety control system.

Background technique

In the automobile industry at home and abroad, automobile safety is still the theme of automobile development. With the continuous development of automobile technology, the technical research and development of automobile safety has never stopped.

At present, the automobile industry mainly considers automobile safety issues from the aspects of automobile airbags, mechanical buffers, and frame strength, but has not made any progress in the research on the safety of automobile circuits and electrical appliances, and the research on the circuit itself being caught on fire due to collision and short circuit. Uncontrollable floods, typhoons, accidents, etc. When the car is soaked in water, the car circuit and electrical appliances will be short-circuited and oxidized and damaged. When a car collides, there will be a situation in which the circuit catches fire due to a short circuit due to the collision, causing more serious consequences than the original accident itself, resulting in heavy losses of life and property.

Contents of the invention

The purpose of the present invention is to provide a line cutter, aiming to solve the problem in the prior art that when a car is soaked in water or collides with a short circuit and catches fire, it will cause heavy loss of life and property.

The present invention is achieved in this way, a line cutter, the line cutter includes a cylindrical shell and a fixed sleeve installed on the open end of the cylindrical shell, the open end of the cylindrical shell and the fixed sleeve A gas generator is fixedly installed in the enclosed cavity;

The cavity of the cylindrical housing is provided with a piston, the open end of the piston faces the end of the cylindrical housing away from the fixed sleeve, and the length of the piston is less than that of the hollow cavity of the cylindrical housing. length;

The side wall of the opening end of the piston is provided with a piston knife edge, and the cylindrical housing is provided with a housing knife edge that matches the piston knife edge and is used to provide a gap for the line threading hole;

Several exhaust holes are provided on the cylindrical housing, and the exhaust holes are arranged at positions corresponding to the piston in the cylindrical housing.

As an improved solution, the periphery of the gas generator is provided with a protrusion that abuts against the open end face of the cylindrical casing and is used to fix the gas generator.

As an improved solution, in the inner chamber of the cylindrical casing, a flame filter element is provided at a position of the gas generator facing the piston.

As an improved solution, the fixing sleeve is a nut.

Another object of the present invention is to provide an automobile line protection device, which includes a controller, a first water sensor, a second water sensor and a line cutter, the first water sensor, the second water sensor respectively connected with the controller;

The line cutter includes a cylindrical shell and a fixed sleeve mounted on the open end of the cylindrical shell, and a gas generator is fixedly installed in the cavity surrounded by the open end of the cylindrical shell and the fixed sleeve; the A piston is arranged in the cavity of the cylindrical housing, the open end of the piston faces the end of the cylindrical housing away from the fixed sleeve, and the length of the piston is less than the extension length of the cavity of the cylindrical housing; The side wall of the opening end of the piston is provided with a piston knife edge, and the cylindrical housing is provided with a housing knife edge that matches the piston knife edge and is used to provide a gap for the line threading hole; the cylindrical shell Several exhaust holes are arranged on the cylinder, and the exhaust holes are arranged at the position corresponding to the piston in the cylindrical housing; the gas generator is electrically connected with the controller.

As an improved solution, the periphery of the gas generator is provided with a protrusion that abuts against the open end face of the cylindrical casing and is used to fix the gas generator.

As an improved solution, in the inner cavity of the cylindrical housing, the gas generator is provided with a flame filter element at a position facing the piston;

The fixing sleeve is a nut.

Another object of the present invention is to provide a remote safety control system, the remote safety control system includes an automobile line protection device, a function expander and an automobile ECU;

The automobile line protection device includes a controller, a first water sensor, a second water sensor and a line cutter, and the first water sensor and the second water sensor are respectively connected to the controller;

The line cutter includes a cylindrical shell and a fixed sleeve mounted on the open end of the cylindrical shell, and a gas generator is fixedly installed in the cavity surrounded by the open end of the cylindrical shell and the fixed sleeve; the A piston is arranged in the cavity of the cylindrical housing, the open end of the piston faces the end of the cylindrical housing away from the fixed sleeve, and the length of the piston is less than the extension length of the cavity of the cylindrical housing; The side wall of the opening end of the piston is provided with a piston knife edge, and the cylindrical housing is provided with a housing knife edge that matches the piston knife edge and is used to provide a gap for the line threading hole; the cylindrical shell There are several exhaust holes on the top, and the exhaust holes are set at the positions corresponding to the cylindrical housing and the piston; the gas generator is electrically connected to the controller;

The controller is provided with a wireless network card and a positioning chip, and the periphery of the controller is connected with a wireless antenna connected to the wireless network card and a positioning antenna connected to the positioning chip;

The function expanders are respectively electrically connected to the controller and the automobile ECU, and the function expanders are also electrically connected to the automobile accessories.

As an improved solution, the automobile accessory includes a lamp, a horn, a microphone, various relays and a camera, and the lamp, the horn, the microphone, each relay and the camera are respectively connected to the energy-expanding expander.

As an improved solution, the remote safety control system further includes an airbag computer and an airbag, and the controller is electrically connected to the connecting wire harness between the airbag computer and the airbag.

In the embodiment of the present invention, the line cutter includes a cylindrical shell and a fixed sleeve installed on the open end of the cylindrical shell, and a gas generator is fixedly installed in the cavity surrounded by the open end of the cylindrical shell and the fixed sleeve; A piston is arranged in the cavity of the cylindrical housing, and the open end of the piston faces the end of the cylindrical housing away from the fixed sleeve, and the length of the piston is less than the extension length of the cavity of the cylindrical housing; , the cylindrical shell is provided with a shell knife edge that matches with the piston knife edge and is used to provide a gap for the line threading hole; there are several exhaust holes on the cylindrical shell, and the exhaust holes are arranged between the cylindrical shell and the The corresponding position of the piston can realize the rapid cutting of the line, avoid the vehicle accident caused by the short circuit, and protect the personal and property safety of the user.

Description of drawings

Fig. 1a, Fig. 1b and Fig. 1c are the schematic structural diagrams of the line cutter provided by the present invention;

Fig. 2 is the structural representation of the automobile circuit protection device provided by the present invention;

Fig. 3 is a schematic structural diagram of the remote security control system provided by the present invention;

Among them, 1-cylindrical shell, 2-fixed sleeve, 3-gas generator, 4-piston, 5-piston knife edge, 6-shell knife edge, 7-vent hole, 8-controller, 9-first Water sensor, 10-second water sensor, 11-function expander, 12-car ECU, 13-wireless network card, 14-positioning chip, 15-wireless network card antenna, 16-positioning antenna, 17-car light, 18-speaker , 19-microphone, 20-relay, 21-camera, 22-airbag computer, 23-airbag, 24-wireless WIFI antenna, 25-flame filter.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Fig. 1a, Fig. 1b and Fig. 1c respectively show the schematic structural diagram of the line cutter provided by the present invention, for the convenience of explanation, only the part relevant to the present invention is provided in the figure, wherein, Fig. 1a is a schematic sectional view, and Fig. 1b It is an exploded view of the cylindrical housing 1 and the piston 4, and FIG. 1c is an assembled view of the wires.

The line cutter includes a cylindrical shell 1 and a fixed sleeve 2 installed at the open end of the cylindrical shell 1, and a gas generator 3 is fixedly installed in the cavity surrounded by the open end of the cylindrical shell 1 and the fixed sleeve 2, wherein, The purpose of the fixing sleeve 2 is to fix the gas generator 3 in the cavity, the fixing sleeve 2 can use a nut, and of course other structural parts can also be used;

A piston 4 is arranged in the cavity of the cylindrical housing 1, and the open end of the piston 4 faces the end of the cylindrical housing 1 away from the fixed sleeve 2, and the length of the piston 4 is less than the extension length of the cavity of the cylindrical housing 1. ;

The side wall of the opening end of the piston 4 is provided with a piston knife edge 5, and the cylindrical housing 1 is provided with a housing knife edge 6 that matches with the piston knife edge 5 and is used to provide a gap for the line threading hole;

Several exhaust holes 7 are provided on the cylindrical housing 1 , and the exhaust holes 7 are arranged at the corresponding positions of the cylindrical housing 1 and the piston 4 .

In the embodiment of the present invention, the gas generator 3 is a device capable of generating nitrogen gas. The main working process is: when it needs to work, the ECU sends a signal, enters the ignition device through the wire harness, and generates sparks to detonate the primer, and the gunpowder instantly generates a large amount of nitrogen. Gas (or give huge pressure to compressed gas), this large amount of gas creates huge pressure, forming an impact force.

There are many ways to fix the gas generator 3, for example, the following ways can be used:

As shown in Figure 1, the periphery of the gas generator 3 is provided with a protrusion that abuts against the open end face of the cylindrical housing 1 and is used to fix the gas generator 3, and the protrusion fixes the gas generator 3 in the cavity .

In this embodiment, in order to prevent the flame generated by the gas generator 3 from being discharged out of the cylindrical housing 1 through the exhaust hole 7, in the inner cavity of the cylindrical housing 1, the position of the gas generator 3 facing the piston 4 is set Flame filter core 25 is arranged.

The line cutter has a simple structure, and its specific working process is as follows:

When the gas generator 3 receives the corresponding cutting command, the gas generator 3 reacts with gas and expands, and the expanded gas pushes the piston 4 to move to the sealing end of the cylindrical housing 1, and the state of this movement is instantaneous and Strong;

When the piston 4 receives a large thrust, the piston 4 moves, and the piston knife edge 5 and the housing knife edge 6 squeeze the circuit and cut the circuit to realize the rapid cutting of the circuit and protect the circuit and equipment where the entire circuit is located.

Wherein, the line cutter can be applied to many fields, for example, it can be applied to automobiles, and details will not be repeated here.

Fig. 2 shows a schematic structural diagram of the automobile line protection device provided by the present invention, in which only the parts related to the embodiment of the present invention are shown.

The automobile line protection device comprises a controller 8, a first water sensor 9, a second water sensor 10 and a line cutter, and the first water sensor 9 and the second water sensor 10 are respectively connected to the controller 8;

The structure of the line cutter is the structure shown in Figure 1 above, specifically: the line cutter includes a cylindrical shell 1 and a fixed sleeve 2 installed on the open end of the cylindrical shell 1, and the open end of the cylindrical shell 1 is connected to the fixed sleeve. A gas generator 3 is fixedly installed in the cavity surrounded by the sleeve 2; a piston 4 is arranged in the cavity of the cylindrical housing 1, and the open end of the piston 4 faces the end of the cylindrical housing 1 away from the fixed sleeve 2, and the piston 4 The length is less than the extension length of the cavity of the cylindrical shell 1; the side wall of the opening end of the piston 4 is provided with a piston knife edge 5, and the cylindrical shell 1 is provided with a knife edge 5 to match the piston, and is used to provide a gap for the line threading hole The shell knife edge 6; the cylindrical shell 1 is provided with several exhaust holes 7, and the exhaust holes 7 are arranged at the positions corresponding to the cylindrical shell 1 and the piston 4; the gas generator 3 is electrically connected with the controller 8 .

Wherein, the gas generator 3 receives the instructions of the controller 8 to control the gas reaction, and its specific working process is as follows:

The first water sensor 9 and the second water sensor 10 detect the external environment at the same time, and transmit the detected parameters to the controller 8. The controller 8 processes and analyzes the parameters. When the parameters meet the requirements, the gas generator 3 is controlled to be turned on. During the working condition, the controller 8 sends an instruction to the gas generator 3 to start the gas generator 3, and the working condition of the gas generator 3 is that the first water sensor 9 and the second water sensor 10 have trigger conditions at the same time;

Follow-up is the working process of the line cutter, as mentioned above, and will not be repeated here.

The automobile line protection device cuts off the line of the vehicle in an accident in time to ensure the safety of the automobile.

Fig. 3 shows a structural block diagram of the remote security control system provided by the present invention. For the convenience of description, only the parts related to the present invention are shown in the figure.

The remote safety control system includes an automobile circuit protection device, a function expander 11 and an automobile ECU 12;

The automobile line protection device comprises a controller 8, a first water sensor 9, a second water sensor 10 and a line cutter, and the first water sensor 9 and the second water sensor 10 are respectively connected to the controller 8;

The line cutter includes a cylindrical shell 1 and a fixed sleeve 2 installed at the open end of the cylindrical shell 1, and a gas generator 3 is fixedly installed in the cavity surrounded by the open end of the cylindrical shell 1 and the fixed sleeve 2; A piston 4 is arranged in the cavity of the housing 1, and the open end of the piston 4 faces the end of the cylindrical housing 1 away from the fixed sleeve 2, and the length of the piston 4 is less than the extension length of the cavity of the cylindrical housing 1; the open end of the piston 4 The side wall is provided with a piston knife edge 5, and the cylindrical shell 1 is provided with a shell knife edge 6 that matches with the piston knife edge 5 and is used to provide a gap for the line threading hole; the cylindrical shell 1 is provided with several exhaust The hole 7 and the exhaust hole 7 are arranged at the position corresponding to the cylindrical housing 1 and the piston 4; the gas generator 3 is electrically connected to the controller 8;

The controller 8 is provided with a wireless network card 13 and a positioning chip 14, and the periphery of the controller 8 is connected with a wireless antenna connected to the wireless network card 13 and a positioning antenna 16 connected with the positioning chip 14;

The function expander 11 is electrically connected to the controller 8 and the data bus CAN of the automobile ECU 12 respectively, and the function expander 11 is also electrically connected to the automobile accessories.

Wherein, the gas generator 3 receives the instructions of the controller 8 to control the gas reaction, and its specific working process is as follows:

The first water sensor 9 and the second water sensor 10 detect the external environment at the same time, and transmit the detected parameters to the controller 8. The controller 8 processes and analyzes the parameters. When the parameters meet the requirements, the gas generator 3 is controlled to be turned on. During the working condition, the controller 8 sends an instruction to the gas generator 3 to start the gas generator 3, and the working condition of the gas generator 3 is that the first water sensor 9 and the second water sensor 10 have trigger conditions at the same time;

Follow-up is the working process of the line cutter, as mentioned above, and will not be repeated here.

In this embodiment, the car accessory includes car lights 17, horn 18, microphone 19, each relay 20 and camera 21, and car lights 17, horn 18, microphone 19, each relay 20 and camera 21 are connected with function expander 11 respectively ;

The relay includes a power switch relay and other relays, which will not be repeated here.

The car light 17 includes light fixtures such as car headlights, car small lights and car turn signals, which have the functions of illuminating, illuminating and prompting, and will not be described in detail here.

In this embodiment, the remote safety control system further includes an airbag computer 22 and an airbag 23 , and the controller 8 is electrically connected to the connection harness between the airbag computer 22 and the airbag 23 .

In the embodiment of the present invention, the wireless antenna includes a wireless network card antenna 15 and a wireless WIFI antenna 24, and the positioning antenna 16 is a GPS/Beidou positioning antenna 16, wherein the positioning chip 14 in the controller 8 reads the satellite positioning through the GPS/Beidou antenna Data, such as longitude and latitude, vehicle speed, altitude, etc. are calculated, and then sent to the background server through the wireless network card 13 and the wireless network card antenna 15 to realize functions such as remote positioning supervision and production.

The wireless network card 13 in the controller 8 sends or receives network data through the wireless Wi-Fi antenna 24, and only provides Wi-Fi signal services for people within a certain range around the vehicle, so that people can surf the Internet.

The controller 8 detects the collision information of the automobile by being connected with the ignition signal line of the airbag 23, thereby ignites the gas generator 3, completes cutting the wiring harness, and the ignition signal is sent by the airbag computer 22 of the original vehicle.

The function expander 11 is composed of a car light 17, a loudspeaker 18, a microphone 19, a relay 20, a camera 21, etc., and other functions can be added according to functional requirements.

Through the controller 8, the network access of mobile phone APP or PC computer can be realized, the car lights 17 can be controlled to flash, the original car horn 18 can be sounded, the microphone 19 can be used for online dialogue, the camera 21 can be used for online video monitoring, and the satellite positioning data can be read , It can also realize the function of navigating and finding a car.

The engine can be started remotely through the power switch relay, etc. or the remote power-off function can be realized according to the need.

The function expander 11 is connected with the data bus CAN of the automobile ECU 12 through the wire harness, and can read the engine data, gearbox data, air-conditioning data, etc. of the automobile to realize online reading of data and online troubleshooting.

In the embodiment of the present invention, in the embodiment of the present invention, the line cutter includes a cylindrical shell 1 and a fixed sleeve 2 installed on the open end of the cylindrical shell 1, and the open end of the cylindrical shell 1 is surrounded by the fixed sleeve 2. A gas generator 3 is fixedly installed in the cavity; a piston 4 is arranged in the cavity of the cylindrical housing 1, and the open end of the piston 4 faces the end of the cylindrical housing 1 away from the fixed sleeve 2, and the length of the piston 4 is Less than the extension length of the cavity of the cylindrical shell 1; the side wall of the opening end of the piston 4 is provided with a piston knife edge 5, and the cylindrical shell 1 is provided with a shell that matches the piston knife edge 5 and is used to provide a gap for the line threading hole The body knife edge 6; several vent holes 7 are provided on the cylindrical shell 1, and the vent holes 7 are set at the position corresponding to the cylindrical shell 1 and the piston 4, so as to realize the rapid cutting of the circuit and avoid the short circuit Vehicle accidents, to protect the personal and property safety of users.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. A line cutter, characterized in that, the line cutter comprises a cylindrical housing and a fixed sleeve installed on the open end of the cylindrical housing, the open end of the cylindrical housing is surrounded by the fixed sleeve A gas generator is fixedly installed in the formed cavity; The cavity of the cylindrical housing is provided with a piston, the open end of the piston faces the end of the cylindrical housing away from the fixed sleeve, and the length of the piston is less than that of the hollow cavity of the cylindrical housing. length; The side wall of the opening end of the piston is provided with a piston knife edge, and the cylindrical housing is provided with a housing knife edge that matches the piston knife edge and is used to provide a gap for the line threading hole; Several exhaust holes are provided on the cylindrical housing, and the exhaust holes are arranged at positions corresponding to the piston in the cylindrical housing. 2. The line cutter according to claim 1, characterized in that, the periphery of the gas generator is provided with a protrusion that abuts against the open end face of the cylindrical housing and is used to fix the gas generator . 3. The line cutter according to claim 2, characterized in that, in the inner cavity of the cylindrical housing, a flame filter element is provided at a position of the gas generator facing the piston. 4. The line cutter according to claim 3, wherein the fixing sleeve is a nut. 5. A kind of automobile circuit protection device, it is characterized in that, described automobile circuit protection device comprises controller, the first water sensor, the second water sensor and line cutter, described first water sensor, the second water sensor are respectively connected with The controller is connected; The line cutter includes a cylindrical shell and a fixed sleeve mounted on the open end of the cylindrical shell, and a gas generator is fixedly installed in the cavity surrounded by the open end of the cylindrical shell and the fixed sleeve; the A piston is arranged in the cavity of the cylindrical housing, the open end of the piston faces the end of the cylindrical housing away from the fixed sleeve, and the length of the piston is less than the extension length of the cavity of the cylindrical housing; The side wall of the opening end of the piston is provided with a piston knife edge, and the cylindrical housing is provided with a housing knife edge that matches the piston knife edge and is used to provide a gap for the line threading hole; the cylindrical shell Several exhaust holes are arranged on the cylinder, and the exhaust holes are arranged at the position corresponding to the piston in the cylindrical housing; the gas generator is electrically connected with the controller. 6. The automobile line protection device according to claim 5, characterized in that, the periphery of the gas generator is provided with a protrusion that is against the open end face of the cylindrical housing and is used to fix the gas generator. rise. 7. The automobile line protection device according to claim 6, characterized in that, in the inner cavity of the cylindrical housing, the gas generator is provided with a flame filter element at a position facing the piston; The fixing sleeve is a nut. 8. A remote safety control system, characterized in that, the remote safety control system includes an automobile line protection device, a function expander and an automobile ECU; The automobile line protection device includes a controller, a first water sensor, a second water sensor and a line cutter, and the first water sensor and the second water sensor are respectively connected to the controller; The line cutter includes a cylindrical shell and a fixed sleeve mounted on the open end of the cylindrical shell, and a gas generator is fixedly installed in the cavity surrounded by the open end of the cylindrical shell and the fixed sleeve; the A piston is arranged in the cavity of the cylindrical housing, the open end of the piston faces the end of the cylindrical housing away from the fixed sleeve, and the length of the piston is less than the extension length of the cavity of the cylindrical housing; The side wall of the opening end of the piston is provided with a piston knife edge, and the cylindrical housing is provided with a shell knife edge that matches the piston knife edge and is used to provide a gap for the line threading hole; the cylindrical shell There are several exhaust holes on the top, and the exhaust holes are set at the positions corresponding to the cylindrical housing and the piston; the gas generator is electrically connected to the controller; The controller is provided with a wireless network card and a positioning chip, and the periphery of the controller is connected with a wireless antenna connected to the wireless network card and a positioning antenna connected to the positioning chip; The function expanders are respectively electrically connected to the controller and the automobile ECU, and the function expanders are also electrically connected to the automobile accessories. 9. The remote safety control system according to claim 8, characterized in that, the car accessories include lights, horns, microphones, relays and cameras, and the lights, horns, microphones, relays and cameras are respectively Connect with the function expander. 10. The remote safety control system according to claim 8, characterized in that, the remote safety control system also includes an airbag computer and an airbag, and the connecting wire harness between the controller and the airbag computer and the airbag is electrically connect.