Fuse box for automobile

Abstract

An indicating lamp is arranged beside a slot for inserting an automobile fuse, two terminals of the indicating lamp are respectively electrically connected with two conducting strips in the slot in a one-to-one manner, and after the automobile fuse is inserted, the indicating lamp is connected with the automobile fuse in parallel, so that the overall resistance value of an automobile circuit is almost unchanged; the operation consumption of an automobile circuit is not increased; when the automobile fuse is fused, the indicating lamp is connected in series into the automobile circuit to be electrified and emit light, so that the fused automobile fuse is visually indicated through the light effect, a maintainer can conveniently and quickly determine the faulted automobile circuit to maintain and replace the automobile fuse, and the maintenance efficiency can be improved; in addition, the indicating lamp is arranged on the fuse box and cannot be replaced along with the automobile fuse; in conclusion, the utility model can effectively solve the problems of poorer reliability and higher cost of the existing fuse box capable of showing faults and the automobile fuse, and achieves the effects of reducing maintenance difficulty and cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of emergency protection circuit device in electricity, concretely relates to a fuse box for automobile. BACKGROUND

[0002] A variety of automobile electrical appliances, such as headlamps, brake lamps, automatic window drivers, air conditioners, electric windscreen wipers, central control display screens and stereos, are provided on an automobile to meet driving requirements and improve ride comfort. The circuits in which these automobile electrical appliances are located are collectively referred to as automobile circuits. An automobile fuse is connected in series on each automobile circuit. When the automobile circuit is faulty and the current is too large, the automobile fuse can melt and cut off the automobile circuit, thereby protecting the automobile power supply and the corresponding automobile electrical appliance. In order to facilitate management and fault checking, the automobile fuses on multiple automobile circuits are currently centrally arranged in a fuse box. Although the automobile fuses are centralized in the conventional fuse box, the fuse box cannot indicate the faulty automobile circuit and the state of the automobile fuse. Since there are many electrical appliances on an automobile, the number of fuse boxes and the number of fuses in each fuse box are also large. In the absence of automobile circuit diagrams and in the case of automobile modification, when an automobile electrical appliance cannot work normally, maintenance personnel need to try to open the fuse boxes located in various parts of the automobile and test the automobile fuses in the fuse boxes to find the blown fuse. The faulty automobile circuit can be confirmed according to the wiring of the automobile fuse, and the automobile circuit fault can be checked. This not only makes maintenance difficult, time-consuming and costly, but also may result in the aggravation and spread of the fault due to time delay, which is very disadvantageous for maintenance.

[0003] In view of the above, some car companies have made corresponding improvements to the fuse box or automobile fuse. For example, a kind of automobile power management system is disclosed in Chinese patent CN116279191A. The scheme is to connect a pilot lamp in series with each automobile fuse in the fuse box, and the position of the pilot lamp is one-to-one corresponding to each automobile fuse. When the automobile circuit is working normally, the pilot lamp is powered on and always bright. When the automobile fuse is fused due to automobile circuit failure, the pilot lamp is extinguished. Although the scheme can indicate the fused automobile fuse, it is convenient for maintenance personnel to quickly determine the faulty automobile circuit for maintenance, the pilot lamp is connected in series in the automobile circuit, which not only increases the running consumption of the automobile circuit, but also may affect the battery preservation capacity of the automobile in the parked state. In addition, the pilot lamp connected in series in the automobile circuit will also cause automobile circuit failure if the pilot lamp fails, especially the scheme in which the pilot lamp always maintains the power-on lighting state under normal conditions, which undoubtedly increases the possibility of automobile circuit failure. For example, a power-off indicating safety fuse is disclosed in Chinese patent CN200947425Y. The scheme is to directly modify the automobile fuse by setting a branch parallel to the fuse body, and connecting a resistor and a pilot lamp in series in the branch. Although the scheme can also indicate the fused automobile fuse, it will increase the cost of the automobile fuse and thus increase the maintenance cost. Therefore, it is necessary to design a simple and reliable, low-cost automobile fuse box to reduce the difficulty and cost of maintenance and improve the product competitiveness of vehicles. SUMMARY

[0004] In view of the above, the purpose of the present application is to provide an automobile fuse box to solve the technical problems of poor reliability and high cost of existing fuse boxes and automobile fuses that can show faults, and to achieve the effect of reducing the difficulty and cost of maintenance.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] An automobile fuse box includes a base, a plurality of insertion slots are formed in the base for inserting automobile fuses, two conductive pieces are arranged in the insertion slots at intervals, and two wire terminals are arranged on the base near the two ends of the insertion slots. The two conductive pieces are electrically connected to the wire terminals near them, respectively. A plurality of pilot lamps corresponding to the plurality of insertion slots are arranged on the base, the pilot lamps are arranged near the corresponding insertion slots, and the two wire terminals of the pilot lamps are electrically connected to the two conductive pieces in the corresponding insertion slots in one-to-one correspondence.

[0007] Further, a plurality of protection resistors corresponding to the plurality of insertion slots are arranged on the base, the protection resistors are connected in series with the corresponding pilot lamps to form an indicating circuit, and the two ends of the indicating circuit are electrically connected to the two conductive pieces in the corresponding insertion slots in one-to-one correspondence.

[0008] Further, a plurality of accommodation grooves are formed in the base to accommodate spare fuses.

[0009] Further, the base is detachably connected with a protective cover, the insertion slot, the indicator lamp and the terminal are located inside the protective cover, and a threading hole is formed in the protective cover in one-to-one correspondence with each terminal.

[0010] Further, the protective cover is made of transparent plastic.

[0011] Further, a plurality of threaded connection columns are arranged on the base in intervals, a plurality of connecting through holes are formed in the protective cover in one-to-one correspondence with the threaded connection columns, the threaded connection columns pass through the corresponding connecting through holes and are threadedly connected with locking nuts, so that the protective cover is tightly fixed on the base.

[0012] Further, a plurality of mechanical switches are arranged on the base in one-to-one correspondence with the insertion slots, and the mechanical switches are arranged close to the corresponding insertion slots and are connected in series between any conductive sheet in the corresponding insertion slot and the electrically connected terminal.

[0013] Further, the mechanical switch is a boat-shaped switch.

[0014] Further, the base is rectangular, the plurality of insertion slots are arranged in intervals along the length direction of the base, the length direction of the insertion slot corresponds to the width direction of the base, and the indicator lamp and the mechanical switch are arranged close to the two ends of the corresponding insertion slot on the base, respectively, and the insertion slot, the indicator lamp and the mechanical switch are located between the corresponding two terminals.

[0015] Further, mounting through holes are formed in the four corners of the base, so as to mount and fix the automobile fuse box.

[0016] Compared with the prior art, the automobile fuse box has the following beneficial effects:

[0017] 1. The automobile fuse box sets an indicator lamp beside the insertion slot for inserting the automobile fuse, and electrically connects two terminals of the indicator lamp with two conductive sheets in the insertion slot in one-to-one correspondence, so that the indicator lamp is connected in parallel with the automobile fuse after the automobile fuse is inserted, the overall resistance of the automobile circuit almost does not change, and the operation consumption of the automobile circuit is not increased; when the automobile fuse is fused, the indicator lamp is connected in series to the automobile circuit and is electrified to emit light, so that the fused automobile fuse is directly indicated by the light effect, the automobile circuit with fault is quickly determined by the maintenance personnel for maintenance and replacement of the automobile fuse, and the maintenance efficiency is improved.

[0018] 2. The automotive fuse box of this utility model is designed with multiple protective resistors on the base, each corresponding to one of the multiple slots. The protective resistors are connected in series with the corresponding indicator lights to form an indicator circuit. The two ends of the indicator circuit are electrically connected one-to-one with the two conductive pieces in the corresponding slots. When the automotive fuse blows, the indicator circuit is connected in series with the automotive circuit. Based on the principle of series voltage division, the safety resistor with a larger resistance value divides more voltage in the automotive circuit and reduces the current in the automotive circuit. This can prevent the automotive circuit from being aggravated by excessive current after the automotive fuse blows, and prevent the automotive electrical appliances from being damaged by excessive current. This helps to improve the reliability of the automotive fuse box.

[0019] 3. The automotive fuse box described in this utility model has multiple receiving slots on the base for accommodating spare fuses. After the maintenance personnel confirm the blown automotive fuse through the indicator light, they can obtain a spare fuse nearby for replacement, which helps to improve the maintenance speed and enhances the practicality of the automotive fuse box. Attached Figure Description

[0020] Figure 1 This is a perspective view of the automotive fuse box described in the embodiment;

[0021] Figure 2 for Figure 1 The perspective view of the protective cover is omitted;

[0022] Figure 3 This is a schematic diagram of the fuse circuit described in the embodiment;

[0023] Figure 4 for Figure 2 The 3D view of the working fuse and the spare fuse is hidden;

[0024] The components include: base 1, slot 2, automotive fuse 3, terminal block 4, indicator light 5, receiving slot 6, spare fuse 7, protective cover 8, wire hole 9, threaded connection post 10, locking nut 11, mechanical switch 12, mounting through hole 13, and safety resistor 14. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0026] Example:

[0027] Please see Figure 3 and Figure 4The utility model discloses an automobile fuse box, including base 1, be provided with a plurality of slot 2 on base 1 to be used for inserting automobile fuse 3, and automobile fuse 3 is the inserted sheet fuse, and two conductive sheets (not shown in the drawing) are arranged in the interval of slot 2 to be used for respectively with the two inserted sheets of automobile fuse 3 in the electrically conductive connection, and the wire terminal 4 of red is equipped with in the two ends of slot 2 on base 1, and the utility model adopts bolt type wire terminal to be used for connecting automobile fuse 3 into automobile circuit, and the two conductive sheets are electrically connected with the wire terminal 4 of nearness respectively, and base 1 is equipped with a plurality of indicating lamp 5 with a plurality of slot 2 one-to-one correspondence, and indicating lamp 5 can adopt LED lamp, and indicating lamp 5 is close to the corresponding slot 2 setting, and the two wire ends of indicating lamp 5 are one-to-one electrically connected with the two conductive sheets in the corresponding slot 2.

[0028] The utility model discloses an automobile fuse box, setting indicating lamp 5 in the slot 2 for inserting automobile fuse 3, and the two wire ends of indicating lamp 5 are one-to-one electrically connected with the two conductive sheets in the slot 2, when inserting automobile fuse 3 in the slot 2, the two inserted sheets of automobile fuse 3 contact with the two conductive sheets respectively, so that indicating lamp 5 is parallelly connected with automobile fuse 3, when connecting automobile fuse 3 into automobile circuit through wire terminal 4, because automobile fuse 3 is equivalent to wire, based on the principle of parallel shunt, current does not pass through indicating lamp 5, and indicating lamp 5 does not work, when automobile fuse 3 is fused due to the current increase of automobile circuit caused by fault, indicating lamp 5 is directly connected in series in automobile circuit, and current passes through indicating lamp 5, and indicating lamp 5 works and emits light, so that the automobile fuse 3 of fusing is directly indicated through the light effect, and the maintenance man is convenient to determine the automobile circuit of fault and maintain and replace automobile fuse 3, and it is favorable to improve maintenance efficiency.

[0029] When the automobile circuit is in normal operation, the indicator lamp 5 is connected in parallel with the automobile fuse 3 into the automobile circuit, and the overall resistance value has little change, and the operation consumption of the automobile circuit is not increased, and the battery protection capability in the parked state of the automobile is not affected, and the indicator lamp 5 only works when the automobile circuit is in failure, and the failure possibility of the indicator lamp 5 is small, and even if the indicator lamp 5 is in failure, the automobile circuit is not affected, therefore, compared with the scheme that the indicator lamp 5 is connected in series with the automobile fuse 3 in the fuse box at present, the automobile fuse box has better reliability and practicality; in addition, the indicator lamp 5 is arranged on the fuse box, and is not replaced with the automobile fuse 3, and meanwhile, it is convenient to consider the situation that the automobile circuit is turned on through the indicator lamp 5 after the fuse is blown in the early stage of vehicle design, so that the situation that the automobile circuit is further damaged or the automobile electric appliance is damaged due to that the automobile electric appliance continues to operate at high current after the automobile fuse 3 is blown by the user replacing the automobile fuse 3 with the indicator lamp 5 in the later maintenance process is avoided, therefore, compared with the scheme that the indicator lamp 5 is connected in parallel with the automobile fuse 3, the automobile fuse box is beneficial to reduce the cost of replacing the automobile fuse 3 and improve the reliability in use;

[0030] In conclusion, the automobile fuse box can effectively solve the problems of poor reliability and high cost of the existing fuse box and the automobile fuse 3 that can show failure, and the effect of reducing the maintenance difficulty and cost is achieved.

[0031] Since the resistance value of the indicator lamp 5 is generally low, when the automobile fuse 3 is blown and the indicator lamp 5 is connected into the automobile circuit, although the blown automobile fuse 3 can be indicated by the indicator lamp 5, the automobile circuit may still have the situation of excessive current, and during the maintenance period, the indicator lamp 5, the automobile circuit and the corresponding automobile electric appliance may be damaged or failure is aggravated due to the excessive current; please refer to Figure 3 Therefore, the automobile power supply management protection box is designed, the base 1 is provided with a plurality of protection resistors corresponding to the plurality of slots 2 one by one, the protection resistors are connected in series with the corresponding indicator lamps 5 to form indicator circuits, and two ends of the indicator circuits are electrically connected with two conductive sheets in the corresponding slots 2 one by one; in implementation, the resistance value of the safety resistor 14 is determined according to the safety current range of the corresponding automobile circuit, and specifically as shown in the figure, Figure 1 The mounting table is a box-shaped structure with an open lower end, so that the mounting cavity is formed between the mounting table and the upper surface of the base 1, and the safety resistor 14 and the wires connected with the indicator lamp 5 and the conductive sheet are located in the mounting table; in this way, Figure 3As shown, the automobile fuse 3 and the indicating circuit are connected in parallel to form a fuse circuit, when the automobile fuse 3 is fused, the indicating circuit and the automobile circuit are connected in series, based on the principle of series voltage division, the safety resistor 14 with larger resistance divides more voltage in the automobile circuit, and reduces the current of the automobile circuit, avoiding the automobile circuit failure due to excessive current after the automobile fuse 3 is fused, and the automobile electrical appliances are damaged due to excessive current.

[0032] Please see Figure 2 and Figure 4 A plurality of accommodating grooves 6 are formed on the base 1 to accommodate spare fuses 7; in this way, after the maintenance personnel confirm the fused automobile fuse 3 through the indicator light 5, the spare fuse 7 can be obtained from the accommodating groove 6 for replacement, which is beneficial to improve the maintenance speed and improve the practicality of the automobile fuse box.

[0033] Please see Figure 1 and Figure 4 The protection cover 8 is detachably connected to the base 1, the insertion slot 2, the indicator light 5 and the wiring terminal 4 are located inside the protection cover 8, and the protection cover 8 is provided with a wire hole 9 near each wiring terminal 4 one by one; in this way, the insertion slot 2, the indicator light 5 and the wiring terminal 4 are isolated from the installation environment of the fuse box through the protection cover 8, avoiding the influence of external environment on the automobile fuse 3, the indicator light 5 and the wiring terminal 4, which is beneficial to improve the service life of the automobile fuse 3, the indicator light 5 and the wiring terminal 4, and improve the practicality of the automobile fuse box.

[0034] In this embodiment, the protection cover 8 is made of transparent plastic, so that the maintenance personnel do not need to open each fuse box one by one when looking for the fused automobile fuse 3, but only need to observe whether the indicator light 5 inside emits light or not through the protection cover 8, and the transparent protection cover 8 protects the internal components and does not affect the maintenance.

[0035] In implementation, the protection cover 8 can be detachably connected to the base 1 through a buckle structure, but considering that the automobile often accompanies violent vibration when driving, in order to ensure the reliability of the connection between the protection cover 8 and the base 1, and avoid the protection cover 8 from falling off during the driving of the automobile, please see Figure 1 and Figure 4The structure for detachable connection between the protective cover 8 and the base 1 in the embodiment is as follows: a plurality of threaded connecting columns 10 are arranged on the base 1 at intervals, a plurality of connecting through holes corresponding to the threaded connecting columns 10 are formed on the protective cover 8, the threaded connecting columns 10 pass through the corresponding connecting through holes and are threadedly connected with locking nuts 11, so as to press and fix the protective cover 8 on the base 1. Specifically, the threaded connecting columns 10 are bolts with heads embedded in the base 1. In this way, the base 1 press-fixes the protective cover 8 by passing the threaded connecting columns 10 through the connecting through holes and arranging the locking nuts 11, which is more stable and reliable than the connection by the buckle structure, and is also easier to disassemble. In implementation, a rubber anti-skid gasket can be arranged between the locking nuts 11 and the protective cover 8 to reduce the possibility of loosening of the locking nuts 11 due to vibration of the automobile.

[0036] Please refer to Figure 2 and Figure 4 The base 1 is provided with a plurality of mechanical switches 12 corresponding to the plurality of slots 2, the mechanical switches 12 are arranged close to the corresponding slots 2, and the mechanical switches 12 are connected in series between any conductive sheet in the corresponding slot 2 and the electrically connected wiring terminal 4. In this way, after the blown automobile fuse 3 is determined by the indicator light 5, the automobile circuit can be disconnected from the fuse circuit by the mechanical switch 12, that is, the automobile circuit is disconnected completely nearby, which can avoid the indicator light 5 and other electronic elements on the automobile circuit and automobile appliances from being damaged or malfunctioning due to being in an abnormal current condition for a long time, and can also avoid the current of the automobile circuit from interfering with the maintenance judgment of the subsequent automobile circuit and automobile appliances. In the embodiment, the mechanical switch 12 is a boat-shaped switch, which always has one end raised when the switch is switched, which is easier to show the on-off state than a button switch. Especially in the utility model, the base 1 is also provided with boat-shaped switches corresponding to the other automobile fuses 3, which is beneficial to the maintenance personnel to accurately grasp the on-off state of the automobile circuit during maintenance, avoiding misoperation.

[0037] Please refer to Figure 2 and Figure 4 The base 1 is rectangular, the plurality of slots 2 are arranged at intervals along the length direction of the base 1, the length direction of the slot 2 corresponds to the width direction of the base 1, the indicator light 5 and the mechanical switch 12 are arranged close to both ends of the corresponding slot 2 on the base 1 respectively, and the slot 2, the indicator light 5 and the mechanical switch 12 are located between the corresponding two wiring terminals 4. In this way, the layout of the automobile fuse 3 is more reasonable, which is convenient for the maintenance personnel to clearly understand the corresponding relationship between the wiring terminal 4, the indicator light 5 and the mechanical switch 12 and the automobile fuse 3, and is beneficial to improve the maintenance efficiency and reduce the possibility of error.

[0038] Please refer to Figure 1 Figure 4The base 1 is provided with mounting through holes 13 at four corners, and in this embodiment, the mounting through holes 13 are outside the protective cover 8, so that the automobile safety box is mounted and fixed on the automobile through bolts.

[0039] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, but not to limit the technical solutions, and those skilled in the art should understand that those who modify or equivalently replace the technical solutions of the present application without departing from the purpose and scope of the present application should be covered in the scope of the claims of the present application.

Claims

1. A car fuse box, comprising a base, a plurality of slots provided on the base for inserting car fuses, two conductive plates spaced apart within each slot, and terminals provided on the base near both ends of the slots, wherein the two conductive plates are electrically connected to the adjacent terminals respectively; characterized in that: The base is equipped with multiple indicator lights that correspond one-to-one with the multiple slots. The indicator lights are positioned close to their respective slots, and the two terminals of the indicator lights are electrically connected one-to-one with the two conductive plates in the corresponding slots.

2. The automotive fuse box according to claim 1, characterized in that: The base has multiple protective resistors that correspond one-to-one with the multiple slots. The protective resistors are connected in series with the corresponding indicator lights to form an indicator circuit. The two ends of the indicator circuit are electrically connected one-to-one with the two conductive pieces in the corresponding slots.

3. The automotive fuse box according to claim 1, characterized in that: The base has multiple slots for accommodating spare fuses.

4. The automotive fuse box according to claim 1, characterized in that: The base is detachably connected to a protective cover. The slots, indicator lights and wiring terminals are all located inside the protective cover. The protective cover has a wire hole that is one-to-one with each wiring terminal.

5. A car fuse box according to claim 4, characterized in that: The protective cover is made of transparent plastic.

6. A car fuse box according to claim 4, characterized in that: The base is provided with multiple threaded connecting posts spaced apart, and the protective cover is provided with multiple connecting through holes corresponding to the multiple threaded connecting posts. The threaded connecting posts pass through the corresponding connecting through holes and are threadedly connected to lock nuts to press and fix the protective cover on the base.

7. A car fuse box according to claim 1, characterized in that: The base is equipped with multiple mechanical switches that correspond one-to-one with the multiple slots. The mechanical switches are positioned close to the corresponding slots and are connected in series between any conductive sheet in the corresponding slot and the electrically connected terminal.

8. A car fuse box according to claim 6, characterized in that: The mechanical switch uses a rocker switch.

9. A car fuse box according to claim 6, characterized in that: The base is rectangular, and the multiple slots are spaced apart along the length of the base. The length of the slots corresponds to the width of the base. On the base, indicator lights and mechanical switches are respectively located near the two ends of the corresponding slots. The slots, indicator lights, and mechanical switches are located between two corresponding terminals.

10. A car fuse box according to claim 7, characterized in that: The base has mounting holes at each of its four corners for mounting and securing the automotive fuse box.

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