CN208971001U - A kind of leakage-protective lighting distribution box - Google Patents
A kind of leakage-protective lighting distribution box Download PDFInfo
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- CN208971001U CN208971001U CN201821363929.0U CN201821363929U CN208971001U CN 208971001 U CN208971001 U CN 208971001U CN 201821363929 U CN201821363929 U CN 201821363929U CN 208971001 U CN208971001 U CN 208971001U
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- 239000003990 capacitor Substances 0.000 claims abstract description 40
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of leakage-protective lighting distribution boxes; including cabinet and headlamp; cabinet is equipped with control flume; control flume is correspondingly provided with protective cover; rows of protective switch is installed in control flume; the bottom of protective switch is equipped with vibration switch; the lower right corner of control flume is equipped with loudspeaker; the positive upper left corner of cabinet is equipped with photosensitive switch; the front of cabinet is equipped with control switch; circuit board is equipped in cabinet, circuit board is equipped with power module, and protective switch, photosensitive switch and control switch are connect with power module；Power module includes voltage input end, the first inductance, rectifier bridge, first capacitor, first resistor, the first zener diode, the second diode, second resistance, the first triode, the second capacitor and voltage output end.The utility model circuit structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Description
Technical field
The utility model relates to distribution box field, in particular to a kind of leakage-protective lighting distribution box.
Background technique
Distribution box is that switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are assembled in envelope by electrical wiring requirement
Close or semiclosed metal safe in or screen width on, constitute low-voltage distribution equipment.It can be connect by manual or automatic switch when normal operation
Logical or disjunction circuit.By protection electric appliance cutting circuit or alarm when failure or irregular operating.Measuring instrumentss can show operation
In various parameters, certain electric parameters can be also adjusted, to deviate normal operating conditions prompted or issued signal,
It is usually used in each sending out, matching, in electric substation.The component that the in-line power circuit of traditional lighting distribution box uses is more, circuit structure
Complexity, hardware cost are higher, it has not been convenient to safeguard.In addition, the in-line power circuit due to traditional lighting distribution box lacks accordingly
Circuit protection function, such as: current-limiting protection function causes the safety and reliability of circuit poor.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of circuit knot
Structure is relatively simple, cost is relatively low, maintains easily, the higher leakage-protective lighting distribution box of the safety and reliability of circuit.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of leakage-protective light distribution
Case, including cabinet and headlamp, the cabinet are equipped with control flume, and the control flume is correspondingly provided with protective cover, the control flume
Rows of protective switch is inside installed, the bottom of the protective switch is equipped with vibration switch, and the lower right corner of the control flume is equipped with
Loudspeaker, the positive upper left corner of the cabinet are equipped with photosensitive switch, and the front of the cabinet is equipped with control switch, the cabinet
It is interior be equipped with circuit board, the circuit board be equipped with power module, the protective switch, photosensitive switch and control switch with it is described
The bottom of the protective switch, the vibration switch and the photosensitive switch is arranged in power module connection, the vibration switch
Connection, the loudspeaker are connect with the vibration switch, and the headlamp is connect with the vibration switch and control switch respectively；
The power module includes voltage input end, the first inductance, rectifier bridge, first capacitor, first resistor, the first pressure stabilizing
Diode, the second diode, second resistance, the first triode, the second capacitor and voltage output end, the voltage input end is just
Pole is connect with one end of first inductance, and the other end of first inductance is connect with an input terminal of the rectifier bridge,
Another input terminal of the rectifier bridge is connect with the cathode of the voltage input end, the output end difference of the rectifier bridge
Connect with the anode of one end of the first capacitor, one end of first resistor and the second diode, the rectifier bridge another
Output end is connect with the other end of the other end of the first capacitor and first resistor respectively, the cathode point of second diode
Do not connect with the collector of one end of the second resistance and the first triode, the base stage of first triode respectively with it is described
The connection of one end of the cathode of first zener diode and the second capacitor, the anode of first zener diode is respectively with described the
The other end of one resistance, the other end of the second capacitor are connected with the cathode of voltage output end, the emitter of first triode
It is connect with the anode of the voltage output end, the model E-183 of second diode.
In leakage-protective lighting distribution box described in the utility model, the power module further includes 3rd resistor,
One end of the 3rd resistor is connect with the emitter of first triode, the other end of the 3rd resistor and the voltage
The anode connection of output end, the resistance value of the 3rd resistor are 37k Ω.
In leakage-protective lighting distribution box described in the utility model, the power module further includes third capacitor,
One end of the third capacitor is connect with the other end of the first resistor, and the other end of the third capacitor is steady with described first
The anode connection of diode is pressed, the capacitance of the third capacitor is 390pF.
In leakage-protective lighting distribution box described in the utility model, first triode is NPN type triode.
Implement the utility model leakage-protective lighting distribution box, have the advantages that due to be equipped with cabinet and
Headlamp, is equipped with circuit board in cabinet, and circuit board is equipped with power module, power module include voltage input end, the first inductance,
Rectifier bridge, first capacitor, first resistor, the first zener diode, the second diode, second resistance, the first triode, the second electricity
Hold and voltage output end, in-line power circuit of the power module relative to traditional lighting distribution box, the component used compared with
It is few, due to saving some components, hardware cost can be reduced in this way, in addition, the second diode is used for the first triode
Collector current carry out current-limiting protection, therefore circuit structure is relatively simple, cost is relatively low, maintains easily, the safety of circuit
It is higher with reliability.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in the utility model leakage-protective lighting distribution box one embodiment；
Fig. 2 is the structural block diagram of leakage-protective lighting distribution box in the embodiment；
Fig. 3 is the circuit diagram of power module in the embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the utility model leakage-protective lighting distribution box embodiment, the structure of the leakage-protective lighting distribution box
Schematic diagram as shown in Figure 1, the leakage-protective lighting distribution box structural block diagram as shown in Fig. 2, as depicted in figs. 1 and 2, the leakage
Electric protection formula lighting distribution box includes cabinet 1 and headlamp 2, and cabinet 1 is equipped with control flume 3, and control flume 3 is correspondingly provided with protective cover
4, rows of protective switch 5 is installed, the bottom of protective switch 5 is equipped with vibration switch 6, the lower right corner of control flume 3 in control flume 3
Equipped with loudspeaker 7, the positive upper left corner of cabinet 1 is equipped with photosensitive switch 8, and the front of cabinet 1 is equipped with control switch 9, in cabinet 1
Equipped with circuit board, circuit board is equipped with power module 10, and protective switch 5, photosensitive switch 8 and control switch 9 are and power module
The bottom of protective switch 5 is arranged in 10 connections, vibration switch 6, and vibration switch 6 is connect with photosensitive switch 8, loudspeaker 7 and vibration
Switch 6 connects, and headlamp 2 is connect with vibration switch 6 and control switch 9 respectively.
When in use, when the tripping of protective switch 5 occurs, vibration can be generated, and is connected to vibration switch 6, in light dusk
Under dark situation, since the resistance of photosensitive switch 8 is small, headlamp 2 can be made to light automatically, restore electricity under dim environment for people
Power provides convenience.The leakage-protective lighting distribution box utilizes protective switch 5 when accident occurs, the vibration that automatic trip generates
And photosensitive switch 8 is cooperated to automatically turn on headlamp 2, convenient for restoring electric power in dark conditions, provided greatly just for people
Benefit.
Fig. 3 is the circuit diagram of power module in the present embodiment, and in Fig. 3, which includes voltage input end
Vin, the first inductance L1, rectifier bridge Z, first capacitor C1, first resistor R1, the first zener diode D1, the second diode D2,
Two resistance R2, the first triode Q1, the second capacitor C2 and voltage output end Vo, wherein the anode and first of voltage input end Vin
One end of inductance L1 connects, and the other end of the first inductance L1 is connect with an input terminal of rectifier bridge Z, rectifier bridge Z another
Input terminal is connect with the cathode of voltage input end Vin, an output end of rectifier bridge Z respectively with one end of first capacitor C1,
One end of one resistance R1 is connected with the anode of the second diode D2, the another output of rectifier bridge Z respectively with first capacitor C1
The other end connected with the other end of first resistor R1, the cathode of the second diode D2 respectively with one end of second resistance R2 and
The collector of one triode Q1 connects, and the base stage of the first triode Q1 is electric with the cathode of the first zener diode D1 and second respectively
Hold C2 one end connection, the anode of the first zener diode D1 respectively with the other end of first resistor R1, the second capacitor C2 it is another
One end is connected with the cathode of voltage output end Vo, and the emitter of the first triode Q1 is connect with the anode of voltage output end Vo.
In-line power circuit of the power module 10 relative to traditional lighting distribution box, the component used is less, electricity
Line structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way.In addition, the two or two
Pole pipe D2 is Current Limiting Diodes, carries out current-limiting protection, therefore the safety of circuit for the collector current to the first triode Q1
Property and reliability are higher.It is noted that in the present embodiment, the model E-183 of the second diode D2, certainly, in reality
In, the second diode D2 also can choose the diode that other models have similar functions.
First resistor R1 is that bleeder resistance prevents the electricity on first capacitor C1 to release after function essentially consists in user's power-off
It releases and security risk is caused to the person, there is first resistor R1, the voltage that do not release after power-off is just disappeared by first resistor R1
Consumption, to touch the safety of connection plug after can ensure that user's power-off；First zener diode D1 the second capacitor of parallel connection C2, second
Capacitor C2 is tantalum capacitor.In work, the second capacitor C2 plays the role of filtering, eliminates the coupling for passing through power supply, and voltage is become
More stable, electric current provides bias current to the first zener diode D1 through second resistance R2, keeps the first zener diode D1 reversed
Conducting and end voltage is constant in pressure stabilizing value, the base stage of the first triode Q1 also accesses this pressure stabilizing point simultaneously, and then the 1st
The base voltage of pole pipe Q1 is by " stabilization ", since the conducting voltage of the base-emitter of the first triode Q1 is also one constant
Value, and the voltage of emitter is controlled by base stage, therefore the voltage stabilization of emitter.
In the present embodiment, the first triode Q1 is NPN type triode, certainly, in practical applications, the first triode Q1
It can be PNP type triode, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, which further includes 3rd resistor R3, one end of 3rd resistor R3 and the first triode
The emitter of Q1 connects, and the other end of 3rd resistor R3 is connect with the anode of voltage output end Vo.3rd resistor R3 is limited galvanic electricity
Resistance carries out current-limiting protection for the emitter current to the first triode Q1, to further enhance the safety of circuit and reliable
Property.It is noted that the resistance value of 3rd resistor R3 is 37k Ω in the present embodiment, certainly, in practical applications, 3rd resistor
The resistance value of R3 can adjust accordingly as the case may be.
In the present embodiment, which further includes third capacitor C3, one end of third capacitor C3 and first resistor R1
Other end connection, the other end of third capacitor C3 connect with the anode of the first zener diode D1.Third capacitor C3 is filtering
Capacitor, for filtering, further to enhance the safety and reliability of circuit.It is noted that in the present embodiment, third
The capacitance of capacitor C3 is 390pF, certainly, in practical applications, the capacitance of third capacitor C3 can as the case may be into
The corresponding adjustment of row.
In short, in the present embodiment, in-line power circuit of the power module 10 relative to traditional lighting distribution box is used
Component it is less, circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware in this way
Cost.In addition, being equipped with Current Limiting Diodes in the power module 10, therefore the safety and reliability of circuit is higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. a kind of leakage-protective lighting distribution box, which is characterized in that including cabinet and headlamp, the cabinet is equipped with control
Slot, the control flume are correspondingly provided with protective cover, and rows of protective switch, the bottom of the protective switch are equipped in the control flume
Portion is equipped with vibration switch, and the lower right corner of the control flume is equipped with loudspeaker, and the positive upper left corner of the cabinet is equipped with photosensitive open
It closes, the front of the cabinet is equipped with control switch, and circuit board is equipped in the cabinet, and the circuit board is equipped with power module,
The protective switch, photosensitive switch and control switch are connect with the power module, and the vibration switch is arranged in the guarantor
The bottom of switch is protected, the vibration switch is connect with the photosensitive switch, and the loudspeaker is connect with the vibration switch, described
Headlamp is connect with the vibration switch and control switch respectively；
The power module includes voltage input end, the first inductance, rectifier bridge, first capacitor, first resistor, two pole of the first pressure stabilizing
Pipe, the second diode, second resistance, the first triode, the second capacitor and voltage output end, the voltage input end anode with
One end of first inductance connects, and the other end of first inductance is connect with an input terminal of the rectifier bridge, described
Another input terminal of rectifier bridge is connect with the cathode of the voltage input end, an output end of the rectifier bridge respectively with institute
One end of one end, first resistor for stating first capacitor is connected with the anode of the second diode, another output of the rectifier bridge
End connect respectively with the other end of the other end of the first capacitor and first resistor, the cathode of second diode respectively with
One end of the second resistance is connected with the collector of the first triode, and the base stage of first triode is respectively with described first
The connection of one end of the cathode of zener diode and the second capacitor, the anode of first zener diode are electric with described first respectively
The other end of resistance, the other end of the second capacitor are connected with the cathode of voltage output end, the emitter of first triode and institute
State the anode connection of voltage output end, the model E-183 of second diode.
2. leakage-protective lighting distribution box according to claim 1, which is characterized in that the power module further includes
Three resistance, one end of the 3rd resistor are connect with the emitter of first triode, the other end of the 3rd resistor with
The anode connection of the voltage output end, the resistance value of the 3rd resistor are 37k Ω.
3. leakage-protective lighting distribution box according to claim 2, which is characterized in that the power module further includes
One end of three capacitors, the third capacitor is connect with the other end of the first resistor, the other end of the third capacitor and institute
The anode connection of the first zener diode is stated, the capacitance of the third capacitor is 390pF.
4. according to claim 1 to leakage-protective lighting distribution box described in 3 any one, which is characterized in that described first
Triode is NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363929.0U CN208971001U (en) | 2018-08-22 | 2018-08-22 | A kind of leakage-protective lighting distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363929.0U CN208971001U (en) | 2018-08-22 | 2018-08-22 | A kind of leakage-protective lighting distribution box |
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| Publication Number | Publication Date |
|---|---|
| CN208971001U true CN208971001U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821363929.0U Expired - Fee Related CN208971001U (en) | 2018-08-22 | 2018-08-22 | A kind of leakage-protective lighting distribution box |
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| Country | Link |
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| CN (1) | CN208971001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310816A (en) * | 2020-09-18 | 2021-02-02 | 安徽正日电气有限公司 | Low-voltage lighting distribution box |
-
2018
- 2018-08-22 CN CN201821363929.0U patent/CN208971001U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310816A (en) * | 2020-09-18 | 2021-02-02 | 安徽正日电气有限公司 | Low-voltage lighting distribution box |
| CN112310816B (en) * | 2020-09-18 | 2022-08-30 | 安徽正日电气有限公司 | Low-voltage lighting distribution box |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |