CN120320249A - Circuit current limiting alarm method and device - Google Patents

Circuit current limiting alarm method and device

Info

Publication number
CN120320249A
CN120320249A CN202510467673.6A CN202510467673A CN120320249A CN 120320249 A CN120320249 A CN 120320249A CN 202510467673 A CN202510467673 A CN 202510467673A CN 120320249 A CN120320249 A CN 120320249A
Authority
CN
China
Prior art keywords
circuit
current limiting
alarm
housing
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202510467673.6A
Other languages
Chinese (zh)
Inventor
范昕钰
范雁伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Juli Technology Co ltd
Original Assignee
Shanghai Juli Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Juli Technology Co ltd filed Critical Shanghai Juli Technology Co ltd
Priority to CN202510467673.6A priority Critical patent/CN120320249A/en
Publication of CN120320249A publication Critical patent/CN120320249A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

本发明涉及一种电路限流警报方法及装置，属于电路保护技术领域，该一种电路限流警报装置，包括外壳、固定安装在外壳内的电路板、以及设在外壳一侧用于连接正负极线路的两个接口。本发明利用串联的灯泡做限流电阻，且并联电铃的电磁铁有效降低未发光时灯丝的电阻，若外部设备短路时灯泡成用电器会承受电压而发光报警，不同的亮度和颜色可以代表短路的严重情况，且电铃在该电压下会工作发声报警同时会反复切断电流，而无线发射模块也能利用该电压工作发出无线报警，来指示短路的线路，且灯泡等报警机构运行后用电器件的电压会降低，使用电器件得到了限流保护，灯泡等报警机构报警后无需更换，短路排除后自动恢复正常模式，降低后期的维护成本。

The present invention relates to a circuit current limiting alarm method and device, belonging to the technical field of circuit protection. The circuit current limiting alarm device comprises a housing, a circuit board fixedly installed in the housing, and two interfaces arranged on one side of the housing for connecting positive and negative lines. The present invention uses a series of light bulbs as a current limiting resistor, and the electromagnet of a parallel electric bell effectively reduces the resistance of the filament when it is not luminous. If the external device is short-circuited, the light bulb will bear the voltage and emit light to alarm. Different brightness and colors can represent the severity of the short circuit. The electric bell will work under the voltage to sound an alarm and repeatedly cut off the current. The wireless transmission module can also use the voltage to work and send a wireless alarm to indicate the short-circuited line. After the alarm mechanism such as the light bulb is operated, the voltage of the electrical device will be reduced, and the electrical device is protected by current limiting. The alarm mechanism such as the light bulb does not need to be replaced after the alarm. After the short circuit is eliminated, it automatically returns to normal mode, reducing the maintenance cost in the later stage.

Description

Circuit current limiting alarm method and device
Technical Field
The invention belongs to the technical field of circuit protection, and particularly relates to a circuit current limiting alarm method and device.
Background
The circuit protection mainly protects components in an electronic circuit from being damaged under the conditions of overvoltage, overcurrent, surge, electromagnetic interference and the like, and along with the development of science and technology, power/electronic products are increasingly diversified and complicated, and the applied circuit protection element has been developed into a new category of various emerging electronic element fields.
The current limiting alarm of the existing circuit protection is usually carried out by fusing the fuse 3, and particularly can refer to a circuit diagram in fig. 3, but the fuse is usually provided more, a worker cannot quickly find a short circuit line after fusing, the fuse needs to be replaced after fusing, the maintenance cost in the later stage of circuit protection can be increased, and the fuse is also provided with a plurality of times of self-recovery fuses.
Disclosure of Invention
The present invention is directed to a circuit current limiting alarm method and apparatus for solving the above-mentioned problems.
The invention realizes the above purpose through the following technical scheme:
The utility model provides a circuit current-limiting alarm device, includes shell, fixed mounting at the circuit board in the shell to and establish two interfaces that are used for connecting positive negative pole circuit in shell one side, the top fixed mounting of shell has bulb and bell, wireless transmission module is installed at the top of circuit board, bulb, bell and interface are all connected with the circuit board through the wire, the interface of shell has power and electrical apparatus through the line connection, be equipped with locking mechanism in the interface of shell.
As a further optimization scheme of the invention, the two sides of the shell are provided with limit grooves, and the anti-loosening mechanism comprises two groups of ejector rods which are slidably arranged in the limit grooves on the two sides of the shell and are used for clamping a circuit in the interface after moving, and a plurality of conical blocks which are fixedly arranged at one end of the ejector rods and are matched and spliced in the circuit connected with the interface.
As a further optimization scheme of the invention, a limiting frame positioned above the ejector rod is arranged between the limiting grooves on two sides of the shell in a sliding manner, and a plurality of springs for pushing the limiting frame downwards are fixedly arranged in the limiting grooves of the shell.
As a further optimization scheme of the invention, a non-return mechanism for non-return of the ejector rod moving towards the direction of the interface is arranged between the ejector rod and the limiting frame, the non-return mechanism comprises a plurality of first helical teeth fixedly arranged at the top of the ejector rod and second helical teeth fixedly arranged at the bottom of the limiting frame and matched and abutted to one side of the first helical teeth, and the inclination directions between the first helical teeth and the second helical teeth are opposite.
As a further optimization scheme of the invention, one end of the ejector rod, which is away from the interface, extends to the outside of the shell, and the top end of the limiting frame is positioned at the top of the shell.
As a further optimization scheme of the invention, two groups of support rods which are in sliding connection in the shell are fixedly arranged at the bottom of the top end of the limiting frame, and two groups of sliding grooves for the support rods to slide up and down are formed in the shell.
As a further optimization scheme of the invention, the bottom of the ejector rod is provided with a triangular groove with the inclination direction opposite to that of the first helical tooth, and the top of the bottom end of the supporting rod is fixedly provided with a trapezoid block which is used for pushing the ejector rod to the outer side of the shell through guiding by abutting against the inclined surface of the triangular groove after the limiting frame continuously moves upwards.
A circuit current limiting alarm method based on the circuit current limiting alarm device comprises supplying power to an electric device by a power supply;
the bulb connected in series on the circuit between the power supply and the electric device is used as a current-limiting resistor, and the bulb bears voltage to give out light and alarm when the circuit is short-circuited, wherein different brightness and colors can represent the serious condition of the short circuit;
an electric bell connected in parallel with the bulb is used for giving an audible alarm when the short-circuit voltage of the circuit is increased;
And a wireless transmitting module connected in parallel with the bulb is used for wireless alarm when the short-circuit voltage of the circuit is increased.
The invention has the beneficial effects that:
1. The invention uses the series bulbs as the current-limiting resistor, and the electromagnets of the parallel electric bell effectively reduce the resistance of the filaments when the bulbs do not emit light, if the external equipment is short-circuited, the electric appliances formed by the bulbs bear voltage to emit light to alarm, the electric bell can use the electric bell to emit sound to alarm under the voltage, the wireless transmitting module can also use the voltage to emit wireless alarm to indicate short-circuited lines to staff or a control center, the voltage of the electric appliances can be reduced after the alarm mechanisms such as the bulbs are operated, thus the current-limiting protection is obtained by using the electric appliances, the electric appliances such as the bulbs do not need to be replaced after the alarm mechanisms such as the bulbs are alarmed, and the maintenance cost of the later period of circuit protection is reduced.
2. The invention can connect the positive and negative lines of the circuit with the alarm device through the interface, and after pushing the push rod into the interface, the push rod clamps the line in the interface under the non-return of the non-return mechanism, and the line is further fixed by inserting the conical block into the line, so that the line is not easy to fall off from the interface after being pulled by external force, thereby ensuring the normal use of the device.
3. According to the invention, the limiting frame is continuously pulled up, the first helical teeth and the second helical teeth in the non-return mechanism are separated, so that the ejector rod loses a non-return effect, then the supporting rod drives the trapezoidal block to move upwards, the continuously moving trapezoidal block can prop against the inclined surface of the triangular groove, and the ejector rod is pushed to the outer side of the shell through the guide, so that the ejector rods in the two interfaces can be pushed away simultaneously, and a worker can conveniently and rapidly detach the device from a circuit for maintenance.
Drawings
FIG. 1 is a flow chart of a circuit current limiting alarm method according to an embodiment of the invention;
FIG. 2 is a circuit diagram of a circuit current limiting alarm method according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a prior art circuit protection;
FIG. 4 is a schematic diagram of a circuit current limiting alarm device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing an internal structure of a current limiting alarm device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram showing the internal structural connections of the housing, the plunger and the interface of a circuit current limiting alarm device according to an embodiment of the present invention;
FIG. 7 is an enlarged view of the structure A of FIG. 6 of a circuit current limiting alarm device according to an embodiment of the present invention;
FIG. 8 is an enlarged view of the structure B in FIG. 6 of a circuit current limiting alarm device according to an embodiment of the present invention;
FIG. 9 is an enlarged view of the structure C in FIG. 6 of a circuit current limiting alarm device according to an embodiment of the present invention;
Fig. 10 is a schematic diagram showing connection between a supporting rod and a trapezoid block of a circuit current limiting alarm device according to an embodiment of the present invention.
In the figure, 1, a power supply; 2, electric devices, 3, fuses, 4, bulbs, 41, bell, 42, wireless transmitting module, 5, outer shell, 51, interface, 52, circuit board, 53, limit groove, 54, chute, 6, ejector rod, 61, conical block, 62, limit frame, 63, spring, 64, first helical tooth, 65, second helical tooth, 66, triangular groove, 7, support rod, 71, trapezoidal block.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
Examples
As shown in fig. 4-6, a circuit current limiting alarm device comprises a housing 5, a circuit board 52 fixedly installed in the housing 5, and two interfaces 51 arranged on one side of the housing 5 and used for connecting positive and negative lines, wherein a bulb 4 and an electric bell 41 are fixedly installed on the top of the housing 5, a wireless transmitting module 42 is installed on the top of the circuit board 52, the bulb 4, the electric bell 41 and the interfaces 51 are all connected with the circuit board 52 through wires, the interfaces 51 of the housing 5 are connected with a power supply 1 and an electric device 2 through lines, a locking mechanism is arranged in the interfaces 51 of the housing 5, the electric bell 41 can be replaced by other sounding alarm devices such as a loudspeaker or a buzzer, and the bulb 4 can be an LED color-changing lamp capable of changing color under different voltages and currents.
The circuit board 52 can connect the circuit of the bulb 4, the bell 41, the interface 51, and the like, the housing 5 can protect the wireless transmitting module 42, and the like, and the two interfaces 51 can connect the anode and the cathode of the circuit.
As shown in fig. 6-8, a locking mechanism is arranged in the interface 51 of the housing 5, limiting grooves 53 are formed in two sides of the housing 5, the locking mechanism comprises two groups of ejector rods 6 which are slidably arranged in the limiting grooves 53 in two sides of the housing 5 and are used for clamping a circuit in the interface 51 after moving, and a plurality of conical blocks 61 which are fixedly arranged at one end of each ejector rod 6 and are matched with the circuit connected with the interface 51, the two ejector rods 6 push to the interface 51 side and then clamp the circuit in the interface 51, copper wires of circuit wiring are usually spirally wound and then inserted into the interface 51, and at the moment, the conical blocks 61 in the ejector rods 6 are inserted into the copper wires of circuit winding, so that the circuit is further fixed, the circuit is not easy to fall off from the interface 51 after being pulled by external force, and normal use of the device is ensured.
As shown in fig. 6-8, a limiting frame 62 located above the ejector rod 6 is slidably arranged between the limiting grooves 53 on two sides of the housing 5, a plurality of springs 63 for pushing the limiting frame 62 downwards are fixedly arranged in the limiting grooves 53 of the housing 5, and the springs 63 can elastically connect the housing 5 with the limiting frame 62.
As shown in fig. 6-8, a non-return mechanism for non-return of the ejector rod 6 moving towards the direction of the interface 51 is arranged between the ejector rod 6 and the limiting frame 62, the non-return mechanism comprises a plurality of first helical teeth 64 fixedly arranged at the top of the ejector rod 6, and second helical teeth 65 fixedly arranged at the bottom of the limiting frame 62 and matched and abutted against one side of the first helical teeth 64, the inclination directions between the first helical teeth 64 and the second helical teeth 65 are opposite, and under the elasticity of the spring 63, the second helical teeth 65 at the bottom of the limiting frame 62 can be abutted against the first helical teeth 64.
When the staff pushes the ejector rod 6 into the interface 51, the first helical tooth 64 pushes up the second helical tooth 65 and passes over the second helical tooth 65 under the guide of the inclined plane of the staff, and the second helical tooth 65 abuts against the back side of the first helical tooth 64, so that the first helical tooth 64 and the ejector rod 6 cannot move to the outer side of the shell 5, and the ejector rod 6 moving in the interface 51 is stopped, so that the stability of line clamping and fixing is improved.
As shown in fig. 3-6, one end of the ejector rod 6 away from the interface 51 extends to the outside of the housing 5, the top end of the limiting frame 62 is located at the top of the housing 5, a worker can push the ejector rod 6 from the outside of the housing 5 to the inside of the interface 51, and the worker can lift the top end of the limiting frame 62 at the top of the housing 5 to drive the limiting frame 62 to move upwards.
As shown in fig. 6, 9 and 10, two groups of supporting rods 7 which are connected in a sliding manner in the shell 5 are fixedly arranged at the bottom of the top end of the limiting frame 62, two groups of sliding grooves 54 which are used for the supporting rods 7 to slide up and down are formed in the shell 5, a triangular groove 66 which is opposite to the first inclined teeth 64 in the inclined direction is formed in the bottom of the supporting rod 6, a trapezoid block 71 which is used for pushing the supporting rod 6 to the outer side of the shell 5 through guiding after the limiting frame 62 continuously moves upwards is fixedly arranged at the top end of the bottom end of the supporting rod 7, the limiting frame 62 can limit the supporting rod 7 through the sliding grooves 54, and the supporting rod 7 can connect the trapezoid block 71 with the top end of the limiting frame 62.
Through last pull-up limit 62, can drive second helical tooth 65 to shift up and break away from with the first helical tooth 64 of bottom for ejector pin 6 loses the backstop effect, along with last pull-up die-pin 7 can drive trapezoidal piece 71 and shift up, and the trapezoidal piece 71 of going up can support in the inclined plane department of triangular groove 66, and promote ejector pin 6 to the shell 5 outside through the direction, thereby make ejector pin 6 slowly leave the circuit in interface 51, push away ejector pin 6 in two interfaces 51 simultaneously.
When the circuit current limiting alarm method device is used, firstly, the anode and the cathode of a circuit line can be respectively inserted into two interfaces 51, then two ejector rods 6 are pushed to the sides of the interfaces 51 and can clamp the line in the interfaces 51, copper wires for wiring the line are usually spirally wound and then inserted into the interfaces 51, at the moment, a conical block 61 in the ejector rods 6 can be inserted into the copper wires for winding the line, so that the line is further fixed, and when the ejector rods 6 are pushed to the interfaces 51, the first inclined teeth 64 and the second inclined teeth 65 can stop the ejector rods 6, so that the line is not easy to fall off from the interfaces 51 after being pulled by external force, normal use of the device is ensured, and then circuit current limiting alarm can be carried out when external equipment is short-circuited through parts such as a bulb 4 on a shell 5;
When the device is required to be detached from the circuit, a worker can drive the second helical tooth 65 to move upwards to be separated from the first helical tooth 64 at the bottom through continuously pulling up the limiting frame 62, so that the ejector rod 6 loses the non-return effect, the continuously-pulled up supporting rod 7 can drive the trapezoid block 71 to move upwards, the continuously-moved trapezoid block 71 can prop against the inclined surface of the triangular groove 66, the ejector rod 6 is pushed to the outer side of the shell 5 through guiding, so that the ejector rod 6 slowly leaves the circuit in the interface 51, the ejector rods 6 in the two interfaces 51 are pushed away simultaneously, the worker can conveniently and rapidly detach the device from the circuit of the circuit to maintain the circuit board 52 to be connected with the circuits of the bulb 4, the electric bell 41, the interface 51 and other components, the shell 5 can protect the components such as the wireless transmitting module 42, and the two interfaces 51 can be connected with the positive electrode and the negative electrode of the circuit.
As shown in fig. 1-2, a circuit current limiting alarm method, based on the above-mentioned circuit current limiting alarm device, comprises supplying power to an electric device 2 through a power supply 1;
The bulb 4 connected in series between the power supply 1 and the electric device 2 is used as a current limiting resistor, and when the circuit is short-circuited, the bulb 4 bears voltage to give out light and alarm, wherein different brightness and colors can represent the serious condition of the short circuit;
an audible alarm is given when the short-circuit voltage of the circuit increases by an electric bell 41 connected in parallel with the bulb 4;
a wireless alarm is given when the circuit short-circuit voltage increases by a wireless transmitting module 42 connected in parallel with the bulb 4.
When the circuit current limiting alarm method is used, the series bulb 4 is used as a current limiting resistor, the electromagnet of the parallel electric bell 41 effectively reduces the resistance of the filament when the filament does not emit light (or small current, mainly the resistance is large when the filament is heated and emits light due to the fact that the normal temperature resistor is used, the filament is used as a lead when the resistance is larger than the lead, the temperature becomes higher when the current is large, the bulb 4 becomes larger in resistance, the current limiting voltage limiting is that the resistance becomes larger, the ringing of the electric bell cuts off the parallel electromagnet winding), if the external equipment is short-circuited, the bulb 4 emits light with voltage to give out an alarm, different brightness and color can represent the serious condition of short circuit, the electric bell 41 works to give out sound alarm and simultaneously repeatedly cuts off current under the voltage, so that the bulb 4 is enabled to give out more obvious alarm,
When short circuit is verified, the electric bell 41 magnetizes the electric hammer to attract the bell, and thoroughly cuts off the circuit of the electric bell 41 (the current limiting device verifies that the resistance of the independent bulb 4 is obvious, the electromagnet coil of the electric bell 41 is just connected with the electric bell 41 in parallel, so that the voltage drop generated by the bulb 4 when small current is overcome by parallel connection, the voltage is mainly born by the bulb 4 when the voltage is disconnected after overcurrent, the electric bell 41 plays a role in improving the voltage drop generated by the large resistance, the electric bell 41 is disconnected when the overcurrent sounds, the electric bell 41 is disconnected when the current is too large, the bulb 4 is normally not lightened, the small overcurrent bulb 4 emits light weakly, the electric bell 41 vibrates, the overcurrent is larger, the bulb 4 blinks, the overcurrent is larger, the bulb 4 is very bright, and the electric bell 41 is magnetized and disconnected, and the electric bell 41 can be used in a robot or a test bench by replacing different circuits by different light bulbs 4.
The wireless transmitting module 42 can also use the voltage to work to send wireless alarm to indicate a short circuit line to a worker or a control center, and the voltage of the electric device 2 can be reduced after the alarm mechanism such as the bulb 4 operates, so that the electric device 2 is protected by current limiting, the alarm mechanism such as the bulb 4 does not need to be replaced after the alarm mechanism such as the bulb 4 alarms, the normal mode is automatically restored after the short circuit is eliminated, and the maintenance cost in the later stage of circuit protection is reduced.
The bulb 4 can use different colors to give an alarm prompt, the small-current bulb 4 does not emit light, the electric bell 41 cannot work at the moment under the received voltage, the wireless transmitting module 42 cannot work, when the short-circuit current of a circuit increases, the resistance of the bulb 4 becomes large, the received voltage increases, color light is emitted to give an alarm, the electric bell 41 can give an alarm at the moment, the wireless transmitting module 42 also can work to give an alarm, and the voltage of an electric device after the operation of an alarm mechanism such as the bulb 4 is reduced, so that the current-limiting protection is achieved by using the electric device 2, the resistance of the bulb 4 is large, the resistance of an electromagnet in the electric bell 41 is particularly small when the small current is effective, the resistance is large, the mutual defects can be just made up in parallel connection, the alarm mechanism such as the bulb 4 does not need to be replaced after the alarm, and the maintenance cost of the later stage of the circuit protection is reduced.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims (8)

1.一种电路限流警报装置，其特征在于：包括外壳(5)、固定安装在外壳(5)内的电路板(52)、以及设在外壳(5)一侧用于连接正负极线路的两个接口(51)，所述外壳(5)的顶部固定安装有灯泡(4)和电铃(41)，所述电路板(52)的顶部安装有无线发射模块(42)，所述灯泡(4)、电铃(41)和接口(51)均通过导线与电路板(52)进行连接，所述外壳(5)的接口(51)通过线路连接有电源(1)和用电器件(2),所述外壳(5)的接口(51)内设有防松机构。1. A circuit current limiting alarm device, characterized in that it comprises a housing (5), a circuit board (52) fixedly mounted in the housing (5), and two interfaces (51) provided on one side of the housing (5) for connecting positive and negative lines, a light bulb (4) and an electric bell (41) are fixedly mounted on the top of the housing (5), a wireless transmitting module (42) is installed on the top of the circuit board (52), the light bulb (4), the electric bell (41) and the interface (51) are all connected to the circuit board (52) through wires, the interface (51) of the housing (5) is connected to a power source (1) and an electrical device (2) through a line, and an anti-loosening mechanism is provided in the interface (51) of the housing (5). 2.根据权利要求1所述的一种电路限流警报装置，其特征在于：所述外壳(5)两侧开设有限位槽(53)，所述防松机构包括滑动设在外壳(5)两侧限位槽(53)内且用于在移动后对接口(51)内线路进行夹紧的两组顶杆(6)、以及固定设在顶杆(6)一端且配合插接在接口(51)连接的线路内的若干锥形块(61)。2. A circuit current limiting alarm device according to claim 1, characterized in that: limiting grooves (53) are provided on both sides of the shell (5), and the anti-loosening mechanism includes two sets of push rods (6) slidably arranged in the limiting grooves (53) on both sides of the shell (5) and used to clamp the circuit in the interface (51) after movement, and a plurality of conical blocks (61) fixedly arranged at one end of the push rod (6) and plugged into the circuit connected to the interface (51). 3.根据权利要求2所述的一种电路限流警报装置，其特征在于：所述外壳(5)两侧的限位槽(53)之间滑动设有位于顶杆(6)上方的限位架(62)，所述外壳(5)的限位槽(53)内固定设有用于将限位架(62)向下推动的若干弹簧(63)。3. A circuit current limiting alarm device according to claim 2, characterized in that: a limit frame (62) located above the top rod (6) is slidably provided between the limit grooves (53) on both sides of the shell (5), and a plurality of springs (63) for pushing the limit frame (62) downward are fixedly provided in the limit grooves (53) of the shell (5). 4.根据权利要求3所述的一种电路限流警报装置，其特征在于：所述顶杆(6)与限位架(62)之间设有用于对向接口(51)方向移动的顶杆(6)进行止逆的止逆机构，所述止逆机构包括固定设在顶杆(6)顶部的若干第一斜齿(64)、以及固定设在限位架(62)的底部且配合抵接在第一斜齿(64)一侧的第二斜齿(65)，所述第一斜齿(64)和第二斜齿(65)之间的倾斜方向相反。4. A circuit current limiting alarm device according to claim 3, characterized in that: a non-return mechanism is provided between the push rod (6) and the limit frame (62) for preventing the push rod (6) from moving in the direction of the interface (51), and the non-return mechanism includes a plurality of first bevel teeth (64) fixedly arranged on the top of the push rod (6), and a second bevel tooth (65) fixedly arranged on the bottom of the limit frame (62) and cooperating with and abutting against one side of the first bevel tooth (64), and the inclination directions of the first bevel tooth (64) and the second bevel tooth (65) are opposite. 5.根据权利要求3所述的一种电路限流警报装置，其特征在于：所述顶杆(6)背离接口(51)的一端延伸至外壳(5)的外部，所述限位架(62)顶端位于外壳(5)的顶部。5. A circuit current limiting alarm device according to claim 3, characterized in that: the end of the push rod (6) away from the interface (51) extends to the outside of the shell (5), and the top end of the limit frame (62) is located at the top of the shell (5). 6.根据权利要求4所述的一种电路限流警报装置，其特征在于：所述限位架(62)顶端底部固定设有滑动连接在外壳(5)内的两组托杆(7)，所述外壳(5)内开设有供托杆(7)上下滑动的两组滑槽(54)。6. A circuit current limiting alarm device according to claim 4, characterized in that: two groups of support rods (7) slidably connected to the shell (5) are fixedly provided at the top and bottom of the limit frame (62), and two groups of sliding grooves (54) for the support rods (7) to slide up and down are opened in the shell (5). 7.根据权利要求6所述的一种电路限流警报装置，其特征在于：所述顶杆(6)底部开设有与第一斜齿(64)倾斜方向相反的三角槽(66)，所述托杆(7)底端顶部固定设有用于在限位架(62)持续上移后抵在三角槽(66)斜面处来通过导向将顶杆(6)向外壳(5)外侧推动的梯形块(71)。7. A circuit current limiting alarm device according to claim 6, characterized in that: a triangular groove (66) with an inclination direction opposite to that of the first bevel tooth (64) is provided at the bottom of the push rod (6), and a trapezoidal block (71) is fixedly provided at the top of the bottom end of the support rod (7) for abutting against the inclined surface of the triangular groove (66) after the limit frame (62) continues to move upward to push the push rod (6) toward the outside of the housing (5) through guidance. 8.一种电路限流警报方法，基于权利要求1-7任意一项所述的一种电路限流警报装置，其特征在于，包括：8. A circuit current limiting alarm method, based on a circuit current limiting alarm device according to any one of claims 1 to 7, characterized in that it comprises: 通过电源(1)对用电器件(2)供电；Supplying power to an electrical device (2) via a power source (1); 利用串联在电源(1)与用电器件(2)之间电路上的灯泡(4)做限流电阻，并在电路短路时通过灯泡(4)承受电压而发光报警,其中不同的亮度和颜色可以代表短路的严重情况；A light bulb (4) connected in series in a circuit between a power source (1) and an electrical device (2) is used as a current limiting resistor, and when the circuit is short-circuited, the light bulb (4) is subjected to voltage and emits light to give an alarm, wherein different brightness and colors can represent the severity of the short circuit; 通过与灯泡(4)并联的电铃(41)在电路短路电压增大时进行声音报警；When the short-circuit voltage of the circuit increases, an electric bell (41) connected in parallel with the light bulb (4) generates an audible alarm; 通过与灯泡(4)并联的无线发射模块(42)在电路短路电压增大时进行无线报警。A wireless transmission module (42) connected in parallel with the light bulb (4) generates a wireless alarm when the short-circuit voltage of the circuit increases.
CN202510467673.6A 2025-04-15 2025-04-15 Circuit current limiting alarm method and device Pending CN120320249A (en)

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