CN219369869U

CN219369869U - Circuit overload early warning device

Info

Publication number: CN219369869U
Application number: CN202320149671.9U
Authority: CN
Inventors: 徐杰
Original assignee: Changzhou Changshi Electric Power Technology Co ltd
Current assignee: Changzhou Changshi Electric Power Technology Co ltd
Priority date: 2023-02-04
Filing date: 2023-02-04
Publication date: 2023-07-18
Anticipated expiration: 2033-02-04

Abstract

The utility model relates to the technical field of circuit protection and discloses a circuit overload early warning device which comprises a shell, wherein a through groove is formed in the shell, spring grooves are formed in two sides of the through groove, a spring is arranged in the spring groove, a movable barrel is arranged at the front end of the spring, a clamping plate is arranged at the front end of the movable barrel, a Hall sensor is arranged in the shell, a singlechip is arranged on the outer wall of the shell, and a buzzer and a warning lamp are arranged at the top end of the shell. This circuit overload early warning device is through setting up hall sensor to run through the cable in hall sensor inside, because the magnetic field exists around the electrified cable, its size is directly proportional with the electric current in the cable, can utilize hall sensor to measure the magnetic field, just can confirm the size of cable electric current, when the electric current of cable is greater than hall sensor's setting value, hall sensor gives the singlechip with signal transmission, singlechip control buzzer and warning light report to the police, thereby carry out the early warning to circuit overload.

Description

Circuit overload early warning device

Technical Field

The utility model relates to the technical field of circuit protection, in particular to a circuit overload early warning device.

Background

The circuit is designed to handle limited amounts of power, and overload can occur when the amount of power consumed exceeds the safe withstand capability of the circuit. The circuit consists of wiring, circuit breakers (or fuses in older wiring systems) and equipment such as lamps, appliances and anything plugged into a socket. The amount of power used by each device (at run-time) increases the overall load of the circuit. Exceeding the rated load of the circuit wiring can cause the circuit breaker to trip, cutting off the power supply to the entire circuit. If there is no circuit breaker in the circuit, overload can cause the circuit wiring to overheat, which can melt the wire insulation and cause fire.

In order to ensure the use safety of the circuit, a circuit overload early warning device is usually arranged to monitor and prevent the circuit, the existing prevention mode either reduces electric equipment to reduce power, periodically measures and checks the overload condition of the circuit, or uses a temperature sensor to detect the temperature of a cable in the early warning device, and gives an alarm to early warn when the temperature of the cable is obviously increased.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a circuit overload early warning device which has the advantages of non-contact measurement, early warning timeliness and the like, and solves the technical problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circuit overload early warning device, includes the shell, the shell is inside to be provided with to run through the groove, it is provided with the spring groove to run through the groove both sides, spring groove internally mounted has the spring, the spring front end is installed and is removed a section of thick bamboo, remove a section of thick bamboo front end and install splint, shell internally mounted has hall sensor, and the outer wall installs the singlechip, buzzer and warning light are installed on the shell top.

As a preferable technical scheme of the utility model, a plurality of groups of penetrating grooves are formed, the penetrating grooves are equidistantly penetrated and arranged in the shell, and cables are penetrated and connected in the penetrating grooves.

As a preferable technical scheme of the utility model, the spring grooves are provided with a plurality of groups, are symmetrically arranged at two sides of the through groove at equal intervals, and are communicated with the through groove.

As a preferable technical scheme of the utility model, one end of the spring is fixedly arranged on the inner wall of the spring groove, the other end of the spring is fixedly provided with the movable cylinder, the movable cylinder is of a cylindrical structure with a hollow inside with an opening at the tail end and is slidably arranged in the spring groove, and the clamping plate is fixedly arranged at the front end of the movable cylinder.

As a preferable technical scheme of the utility model, the clamping plate is of an arc-shaped plate structure, and the diameter of the clamping plate is smaller than the inner diameter of the through groove.

As a preferable technical scheme of the utility model, the Hall sensor is fixedly arranged in the shell corresponding to the position of the through groove and is communicated with the through groove, the singlechip is fixedly arranged on the outer wall of the shell, the input end of the singlechip is electrically connected with the output end of the Hall sensor, the buzzer and the warning lamp are symmetrically and fixedly arranged on the top end of the shell, and the input end of the buzzer is electrically connected with the output end of the singlechip.

Compared with the prior art, the utility model provides a circuit overload early warning device, which comprises the following components

The beneficial effects are that:

1. the utility model sets the Hall sensor in the shell and penetrates the cable in the Hall sensor, because the magnetic field exists around the electrified cable, the size of the cable is in direct proportion to the current in the cable, the magnetic field can be measured by the Hall sensor, the size of the cable current can be determined, when the current of the cable is larger than the set value of the Hall sensor, the Hall sensor transmits signals to the singlechip, and the singlechip controls the buzzer and the warning lamp to alarm, thereby carrying out early warning on overload of the circuit.

2. According to the utility model, the cable is clamped in the through groove by arranging the spring, the movable barrel and the clamping plate, and the cable can be limited in the center of the through groove by the structure, so that the Hall sensor is convenient to monitor the cable, and inaccurate monitoring caused by deflection of the cable in the Hall sensor is prevented.

Drawings

FIG. 1 is a schematic perspective view of a structure pre-warning device of the present utility model;

FIG. 2 is a schematic diagram of a structural early warning device of the present utility model;

FIG. 3 is a schematic diagram of a bottom view of the structure pre-warning device of the present utility model;

FIG. 4 is a schematic diagram of a front cross-sectional view of the structural pre-warning device of the present utility model;

FIG. 5 is a schematic diagram of a Hall sensor position cross-section of the structural early warning device of the present utility model;

FIG. 6 is a schematic diagram of a cross-sectional view of the position of a spring slot of the structural warning device of the present utility model.

Wherein: 1. a housing; 2. a through groove; 3. a spring groove; 4. a spring; 5. a moving cylinder; 6. a clamping plate; 7. a hall sensor; 8. a single chip microcomputer; 9. a buzzer; 10. a warning light.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, a circuit overload early warning device comprises a housing 1, wherein a through groove 2 is arranged in the housing 1, spring grooves 3 are arranged on two sides of the through groove 2, a spring 4 is arranged in the spring groove 3, a movable barrel 5 is arranged at the front end of the spring 4, a clamping plate 6 is arranged at the front end of the movable barrel 5, a hall sensor 7 is arranged in the housing, a singlechip 8 is arranged on the outer wall of the housing, and a buzzer 9 and a warning lamp 10 are arranged at the top end of the housing 1.

Further, the setting of multiunit run through groove 2 can hold multiunit cable for the device possesses simultaneously to monitor multiunit cable simultaneously, and equidistant setting is convenient for set up the interval between the cable and is used for holding hall sensor 7, and separates the hall sensor 7 of every group and avoid influencing each other.

Further, the setting of multiunit spring groove 3 can carry out the multiple spot centre gripping to the cable, prevents that the cable from taking place the skew at shell 1 inside, influences hall sensor 7's monitoring, and spring groove 3 and run through groove 2 intercommunication are convenient for remove a section of thick bamboo 5 and carry out the centre gripping at the inside removal of spring groove 3.

Further, when the centre gripping cable, run through inside the groove 2 with the cable, can extrude splint 6 to the inside spring groove 3 at the in-process of threading cable, splint 6 promote and remove a section of thick bamboo 5 compression spring 4, after the cable interlude is accomplished, remove a section of thick bamboo 5 promotion splint 6 and remove to the cable direction under the effect of spring 4, until pressing from both sides tight cable, this structure can hold the cable at the inside center of running through the groove 2, prevent because the cable skew, hall sensor 7 monitors and appears the error.

Further, the curved splint 6 sets up the laminating that can be better in the cable outer wall, improves the stability of cable centre gripping.

Further, when the overload of the circuit is early-warned, as a magnetic field exists around the electrified cable, the size of the magnetic field is in direct proportion to the current in the cable, the magnetic field can be measured by utilizing the Hall sensor 7, so that the size of the cable current can be determined, the size of the current in the cable is monitored by utilizing the Hall effect, when the current in the cable is larger than the set value of the Hall sensor 7, the output end of the Hall sensor 7 transmits a signal to the input end of the singlechip 8, and the singlechip 8 transmits the signal to the input end of the buzzer 9 and the warning lamp 10 through the output end, and then the buzzer 9 and the warning lamp 10 give an alarm to early-warn the overload of the circuit.

When the cable is used, the cable passes through the through groove 2, the clamping plate 6 is extruded into the spring groove 3 in the process of threading the cable, the clamping plate 6 pushes the movable barrel 5 to compress the spring 4, after the cable is inserted, the movable barrel 5 pushes the clamping plate 6 to move towards the cable direction under the action of the spring 4 until the cable is clamped, when the current in the cable is larger than the set value of the Hall sensor 7, the output end of the Hall sensor 7 transmits a signal to the input end of the singlechip 8, the singlechip 8 immediately transmits the signal to the input end of the buzzer 9 and the warning lamp 10 through the output end, and the buzzer 9 and the warning lamp 10 immediately give an alarm to warn about overload of a circuit.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circuit overload early warning device, includes shell (1), its characterized in that: the utility model discloses a portable electronic device is characterized in that a through groove (2) is formed in the shell (1), spring grooves (3) are formed in two sides of the through groove (2), springs (4) are arranged in the spring grooves (3), a movable barrel (5) is arranged at the front end of each spring (4), a clamping plate (6) is arranged at the front end of each movable barrel (5), a Hall sensor (7) is arranged in the shell, a singlechip (8) is arranged on the outer wall of the shell, and a buzzer (9) and a warning lamp (10) are arranged at the top end of the shell (1).

2. The circuit overload warning apparatus of claim 1, wherein: the cable-penetrating device is characterized in that a plurality of groups of penetrating grooves (2) are formed, the penetrating grooves penetrate through the shell (1) at equal intervals, and cables penetrate through the penetrating grooves (2).

3. The circuit overload warning apparatus of claim 2, wherein: the spring grooves (3) are provided with a plurality of groups, are symmetrically arranged on two sides of the through groove (2) at equal intervals, and are communicated with the through groove (2).

4. A circuit overload warning apparatus as claimed in claim 3 wherein: one end of the spring (4) is fixedly arranged on the inner wall of the spring groove (3), the other end of the spring is fixedly provided with the movable barrel (5), the movable barrel (5) is of a cylindrical structure with a hollow inside and an open end, the movable barrel is slidably arranged inside the spring groove (3), and the clamping plate (6) is fixedly arranged at the front end of the movable barrel (5).

5. The circuit overload warning apparatus of claim 4, wherein: the clamping plate (6) is of an arc-shaped plate structure, and the diameter of the clamping plate is smaller than the inner diameter of the through groove (2).

6. The circuit overload warning apparatus of claim 5, wherein: the Hall sensor (7) is correspondingly and fixedly arranged inside the shell (1) at the position of the through groove (2) and is communicated with the through groove (2), the singlechip (8) is fixedly arranged on the outer wall of the shell (1), the input end is electrically connected with the output end of the Hall sensor (7), the buzzer (9) and the warning lamp (10) are symmetrically and fixedly arranged at the top end of the shell (1), and the input end is electrically connected with the output end of the singlechip (8).