CN218099482U - Bulb current-limiting protection system and device - Google Patents
Bulb current-limiting protection system and device Download PDFInfo
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- CN218099482U CN218099482U CN202221995189.9U CN202221995189U CN218099482U CN 218099482 U CN218099482 U CN 218099482U CN 202221995189 U CN202221995189 U CN 202221995189U CN 218099482 U CN218099482 U CN 218099482U
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Abstract
The utility model discloses a bulb current-limiting protection system and a device, the system comprises a power input seat, a first prompting unit, a second prompting unit and an external socket; the power input seat comprises a power input seat, a first control switch and a second control switch; the first prompting unit comprises an incandescent lamp; the second prompting unit comprises a first LED indicating lamp; one end of the first control switch is connected to the power input seat, and the other end of the first control switch is connected to the external socket; one end of the second control switch is connected to the power input seat, the other end of the second control switch is connected to one end of the incandescent lamp, and the other end of the incandescent lamp is connected to the external socket; the other end of the second control switch is also connected to the anode of the first LED indicator lamp, and the cathode of the first LED indicator lamp is connected to the external socket; the scheme can safely, quickly and accurately judge whether the line has faults or not, and can be widely applied to the technical field of circuit detection equipment.
Description
Technical Field
The utility model belongs to the technical field of circuit check out test set technique and specifically relates to a bulb current-limiting protection system and equipment.
Background
The lamp current-limiting protection tool provided in the related technical scheme has the working principle that firstly, a short-circuit switch is disconnected, an electrical appliance with a test function is connected through a plug, then, the electrical appliance is plugged, and a main switch is turned on; if the bulb is in normal brightness, the short circuit of the electric equipment to be tested is indicated; on the contrary, if the light is very dark or even does not emit light, the short circuit of the electric appliance is not caused, and the numerical value of the ammeter can be used for specific judgment. If the electric equipment is not short-circuited in the preliminary judgment, the short-circuit switch on the lamp holder can be closed, and the electric equipment/power supply can normally work at full power.
However, the current-limiting protection jig for the lamp bulb in the related technical scheme has no power indicator, and when a power failure occurs when the electric equipment is not powered on or powered off, the judgment that whether the electric equipment is not powered on or powered off or the power line has a problem or the lamp bulb is not bright or has low brightness due to the reason that the current-limiting protection jig is not powered on cannot be visually judged; under the state that switch closes, using two plugs 220V power cords, before the circuit board of test no shell protection, need the staff to pull out the another side wiring end of inserting two plugs 220V power cords with the hand, it is electrically conductive through the hand to take place the live wire easily, leads to the human body to electrocute, takes place the power consumption incident.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problems existing in the related technology at least to a certain extent; therefore, an object of the present invention is to provide a bulb current-limiting protection system that can determine the cause of failure more clearly and more safely, and in addition, the embodiment of the present invention also provides a bulb current-limiting protection device including the system.
In order to achieve the above technical objective, in a first aspect, an embodiment of the present invention provides a current-limiting protection system for a bulb, which includes a power input base, a first prompting unit, a second prompting unit, and an external socket; the power input seat comprises a power input seat, a first control switch and a second control switch; the first prompting unit comprises an incandescent lamp; the second prompting unit comprises a first LED indicating lamp;
one end of the first control switch is connected to the power input seat, and the other end of the first control switch is connected to the external socket; one end of the second control switch is connected to the power input socket, the other end of the second control switch is connected to one end of the incandescent lamp, and the other end of the incandescent lamp is connected to the external socket; the other end of the second control switch is also connected to the anode of the first LED indicator lamp, and the cathode of the first LED indicator lamp is connected to the external socket.
In some possible embodiments, the system further includes a short circuit control unit including a short circuit switch, a third control switch, and a second LED indicator light;
the other end of the second control switch is connected with one end of the short-circuit switch, and the other end of the short-circuit switch is connected to the external socket; the other end of the incandescent lamp is also connected to one end of the third control switch, the other end of the third control switch is connected to the anode of the second LED indicator lamp, and the cathode of the second LED indicator lamp is connected to the external socket.
In some possible embodiments, the second prompting unit further includes a first protection resistor;
the other end of the second control switch is connected to one end of the first protection resistor, and the other end of the first protection resistor is connected to the anode of the first LED indicator lamp.
In some possible embodiments, the short circuit control unit further includes a second protection resistor;
the other end of the third control switch is connected to one end of the second protection resistor, and the other end of the second protection resistor is connected to the anode of the second LED indicator lamp.
In some possible embodiments, the first control switch and the second control switch are combined into a first double-pole double-throw switch.
In some possible embodiments, the shorting switch and the third control switch are combined into a second double pole double throw switch.
In some possible embodiments, the power input socket has a fuse built therein.
In some possible embodiments, the external socket includes two jacks and/or three jacks.
On the other hand, the embodiment of the utility model provides a bulb current-limiting protection device; the device may comprise any one of the bulb current limiting protection systems described in the first aspect within a housing.
In some possible embodiments, the device further comprises a lamp holder disposed on the first surface of the housing.
Advantages and benefits of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention:
the utility model discloses a bulb current-limiting protection system and device that the application embodiment discloses, when will await measuring electrical apparatus/circuit board through the plug in the system, can be through the bright going out of incandescent lamp and LED, directly perceived, fast get rid of the trouble phenomenon that electrical apparatus can't be switched on/not start up; the system not only can be used for the electric equipment, but also can be used for the circuit board test, and plays a role in complete power cut-off in the test under the state of a power switch, thereby playing a role in electric shock prevention and preventing the occurrence of electric safety accidents.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of a current limiting protection system for a bulb according to an embodiment of the present invention;
fig. 2 is a front view of a current limiting protection device for a light bulb according to an embodiment of the present invention;
fig. 3 is a top view of a current limiting protection device for a light bulb according to an embodiment of the present invention;
fig. 4 is a rear view of a current limiting protection device for a light bulb according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "upper", "lower", "front", "rear", "left", "right", "top", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As indicated in the background art, the power-free indicator lamp for the bulb current-limiting protection jig provided in the related technical scheme cannot visually judge whether the power-consuming equipment is not powered on or the power line has a problem or the current-limiting protection jig is not powered on when the power failure occurs. Under the state that switch closed, using two plugs 220V power cord, before the circuit board of test no shell protection, need pull out two plugs 220V power cord another side terminals of inserting with the hand, it is electrically conductive through the hand to take place the live wire easily, leads to the human body to electrocute, takes place the power consumption incident. In order to solve the defects of the prior art, the bulb current-limiting protection system provided in the technical scheme of the application can visually and quickly eliminate the fault phenomenon that the electric equipment cannot be electrified or started.
In a first aspect, a detailed description is provided for a current limiting protection system for a light bulb provided in an embodiment of the present application with reference to the accompanying drawings.
Referring to fig. 1, in an embodiment provided in the present application, a bulb current-limiting protection system may include a power input socket, a first prompt unit, a second prompt unit, and an external socket; the power input seat comprises a power input seat, a first control switch and a second control switch; the first prompting unit comprises an incandescent lamp; the second prompting unit comprises a first LED indicating lamp;
one end of the first control switch is connected to the power input seat, and the other end of the first control switch is connected to the external socket; one end of the second control switch is connected to the power input socket, the other end of the second control switch is connected to one end of the incandescent lamp, and the other end of the incandescent lamp is connected to the external socket; the other end of the second control switch is also connected to the anode of the first LED indicator lamp, and the cathode of the first LED indicator lamp is connected to the external socket.
In an embodiment, the first control switch and the second control switch are mainly used for controlling the connection or disconnection of an external power supply in the system; the power input seat is used for connecting an external power supply, such as a 220V power supply. The external socket is used for connecting an electric appliance/circuit board to be tested; the incandescent lamp is mainly used for judging whether the electric equipment/circuit board to be tested is normal through the turning-on and turning-off of the incandescent lamp, and the first LED indicating lamp in the embodiment is mainly used for judging whether the detection broken circuit of the system is normally powered on through the turning-on and turning-off of the first LED indicating lamp. In an exemplary embodiment, in a practical process, the whole circuit is in a series state, and the incandescent lamp and the first LED indicator lamp are in a parallel state; the first control switch 201 and the second control switch 202 are switched off, the current-limiting incandescent lamp is selected to be installed, the electrical appliance/circuit board to be tested is connected to an external socket through a plug, then the power input base is electrified, the first control switch 201 and the second control switch 202 are closed, at the moment, the indicator lamp LED1, namely the first LED indicator lamp, is lightened, the circuit is in normal electrification, if the lamp is in normal brightness, the electrical appliance/circuit board to be tested is normal, on the contrary, if abnormal brightness occurs, the luminosity is very dark or even the light is not lightened, the electrical appliance/circuit board is abnormal, and therefore, the method can be used for primarily carrying out specific judgment.
In some alternative embodiments, the example system further comprises a short circuit control unit; the short circuit control unit mainly comprises a short circuit control unit which comprises a short circuit switch, a third control switch and a second LED indicator lamp.
The other end of the second control switch is connected with one end of the short-circuit switch, and the other end of the short-circuit switch is connected to the external socket; the other end of the incandescent lamp is also connected to one end of the third control switch, the other end of the third control switch is connected to the anode of the second LED indicator lamp, and the cathode of the second LED indicator lamp is connected to the external socket.
In particular, in an embodiment, the short-circuit switch is mainly used to short-circuit and extinguish the incandescent lamp when in the closed state; in an embodiment, the third control switch is mainly used for switching on the second LED indicator light; the second LED indicator light is mainly used for judging whether the detection circuit of the current system is normal according to the on-off state of the second LED indicator light. In an exemplary embodiment, when the device is used, the short-circuit switch 401 is firstly switched off, so that the whole circuit is in a serial state, the first control switch 201 and the second control switch 202 are switched off, the current-limiting incandescent lamp is selected to be installed, the to-be-tested electrical appliance/circuit board is connected to an external socket through a plug, then the power input base is powered on, the first control switch 201 and the second control switch 202 are switched on, at this time, the indicator light LED1, namely the first LED indicator light, is lighted, so that the circuit is in normal power-on, and if the lamp is in normal brightness, the to-be-tested electrical appliance/circuit board is normal; further, if the electrical equipment/circuit board is preliminarily determined to be normal, the short-circuit switch 401 and the third control switch 402 on the fixture may be turned on, and at this time, the indicator light LED2, i.e., the second LED indicator light, is turned on, which indicates that the electrical equipment/power supply is normally operated at full power while the short-circuit switch 401 and the third control switch 402 are being turned on. Because the system power input socket 101, there is no fear that the machine will burn out because fuses can be provided in the power input sockets in the system.
In some possible implementations, the second prompting unit in the example system further includes a first protection resistor; the other end of the second control switch is connected to one end of the first protection resistor, and the other end of the first protection resistor is connected to the anode of the first LED indicator lamp.
In some possible implementations, the short circuit control unit in the example system further includes a second protection resistor; the other end of the third control switch is connected to one end of the second protection resistor, and the other end of the second protection resistor is connected to the anode of the second LED indicator lamp.
In an embodiment, in a detection circuit of the system, a first protection resistor R1 and a second protection resistor R2 are respectively connected to a branch of a first LED indicator lamp and a branch of a second LED indicator lamp, so as to perform a current limiting protection function.
In some possible embodiments, the first control switch and the second control switch in the system are combined as a first double-pole double-throw switch.
In some possible embodiments, the shorting switch and the third control switch in the system are combined into a second double pole double throw switch.
In an embodiment, the first control switch 201 and the second control switch 202 are combined into a boat-shaped double-pole double-throw switch, and a double-pole double-throw switch is adopted, so that a worker can operate the two switches by hands at the same time. Meanwhile, the short-circuit switch 401 and the third control switch 402 are combined into a boat-shaped double-pole double-throw switch with an integrated structure, and a double-pole double-throw switch is adopted, so that a worker can operate the two switches by hands at the same time.
In some possible embodiments, a fuse is built in a power input socket of the system, which can protect the system lines when the short-circuit switch 401 is turned on.
In some possible embodiments, the external socket in the system includes two sockets 5011 and/or three sockets 5012, which can be adapted to the access plug of more various electrical appliances/circuit boards to be tested.
In another aspect, embodiments of the present application provide a bulb current limiting protection device; fig. 2 is a front view of the current limiting protection device for the light bulb; fig. 3 is a top view of the current limiting protection device for a light bulb; fig. 4 shows a rear view of the current limiting protection device for a light bulb. The device comprises a shell 801 and a lamp holder 601; the socket 601 is for holding an incandescent light bulb, and the housing 801 may include at least one light bulb current limiting protection system as described in any of the first aspects. The embodiment device can change the current limiting value by replacing different current limiting bulbs, and visually judges whether the electrical appliance/circuit board is normal through the on-off and the brightness of the bulbs, and has a simple structure.
The use process of the device in the technical scheme of the application is described in detail in the following with reference to the attached drawings 2-4 of the specification:
when the device is used, the short-circuit switch 401 is disconnected firstly, so that the whole circuit is in a series state, the first control switch 201 and the second control switch 202 are disconnected, the current-limiting incandescent bulb is selected to be installed, the electrical appliance/circuit board to be tested is connected into an external socket through a plug, then the power input base is electrified, the first control switch 201 and the second control switch 202 are closed, at the moment, the indicator lamp LED1, namely the first LED indicator lamp, is lightened, the circuit is indicated to be in normal electrification, if the bulb is in normal brightness, the electrical appliance/circuit board to be tested is indicated to be normal, on the contrary, if abnormal brightness occurs, the luminosity is dark or even no light, the electrical appliance/circuit board is indicated to be abnormal, and therefore, the device can be used for preliminary specific judgment; further, if the electrical equipment/circuit board is preliminarily determined to be normal, the short-circuit switch 401 and the third control switch 402 on the fixture may be turned on, and at this time, the indicator light LED2, i.e., the second LED indicator light, is turned on, which indicates that the electrical equipment/power supply is normally operated at full power while the short-circuit switch 401 and the third control switch 402 are being turned on.
In summary, in addition to the foregoing beneficial effects, compared with the prior art, the present invention has the following features or advantages:
the technical scheme of the application can intuitively and quickly eliminate the fault phenomenon that the electric equipment cannot be electrified or started; not only use the consumer alone, more can use the circuit board test aspect, under switch's state in the test, play the complete electricity effect of cutting off, play the protection against electric shock, prevent the emergence of power consumption incident.
In the description herein, references to the description of "one embodiment," "another embodiment," or "certain embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A bulb current-limiting protection system is characterized by comprising a power input seat, a first prompting unit, a second prompting unit and an external socket; the power input seat comprises a power input seat, a first control switch and a second control switch; the first prompting unit comprises an incandescent lamp; the second prompting unit comprises a first LED indicating lamp;
one end of the first control switch is connected to the power input seat, and the other end of the first control switch is connected to the external socket; one end of the second control switch is connected to the power input socket, the other end of the second control switch is connected to one end of the incandescent lamp, and the other end of the incandescent lamp is connected to the external socket; the other end of the second control switch is further connected to the anode of the first LED indicator lamp, and the cathode of the first LED indicator lamp is connected to the external socket.
2. The bulb current-limiting protection system according to claim 1, further comprising a short-circuit control unit, wherein the short-circuit control unit comprises a short-circuit switch, a third control switch and a second LED indicator light;
the other end of the second control switch is connected with one end of the short-circuit switch, and the other end of the short-circuit switch is connected to the external socket; the other end of the incandescent lamp is further connected to one end of a third control switch, the other end of the third control switch is connected to the anode of the second LED indicator lamp, and the cathode of the second LED indicator lamp is connected to the external socket.
3. The current-limiting protection system for the bulb according to claim 1, wherein the second prompting unit further comprises a first protection resistor;
the other end of the second control switch is connected to one end of the first protection resistor, and the other end of the first protection resistor is connected to the anode of the first LED indicator lamp.
4. The current-limiting protection system for the bulb according to claim 2, wherein the short circuit control unit further comprises a second protection resistor;
the other end of the third control switch is connected to one end of the second protection resistor, and the other end of the second protection resistor is connected to the anode of the second LED indicator lamp.
5. The light bulb current-limiting protection system of claim 1, wherein the first control switch and the second control switch are combined into a first double-pole double-throw switch.
6. The light bulb current limiting protection system of claim 2, wherein the shorting switch and the third control switch are combined as a second double pole double throw switch.
7. The current-limiting protection system for light bulb of any one of claims 1-6, wherein the power input socket has a fuse built therein.
8. The current-limiting protection system for light bulbs of any one of claims 1 to 6, wherein said external socket comprises two and/or three sockets.
9. A current limiting device for a light bulb, characterized in that the device comprises a housing, in which at least one current limiting system for a light bulb according to any one of claims 1 to 8 is built.
10. The current-limiting device for light bulb of claim 9, further comprising a lamp socket disposed on the first surface of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995189.9U CN218099482U (en) | 2022-07-29 | 2022-07-29 | Bulb current-limiting protection system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995189.9U CN218099482U (en) | 2022-07-29 | 2022-07-29 | Bulb current-limiting protection system and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218099482U true CN218099482U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221995189.9U Active CN218099482U (en) | 2022-07-29 | 2022-07-29 | Bulb current-limiting protection system and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218099482U (en) |
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2022
- 2022-07-29 CN CN202221995189.9U patent/CN218099482U/en active Active
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