CN208939378U - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
- Publication number
- CN208939378U CN208939378U CN201821671890.9U CN201821671890U CN208939378U CN 208939378 U CN208939378 U CN 208939378U CN 201821671890 U CN201821671890 U CN 201821671890U CN 208939378 U CN208939378 U CN 208939378U
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- Prior art keywords
- resistance
- capacitor
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- triode
- transformer
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model discloses a kind of power distribution cabinets, including cabinet body ontology, door body, lightning arrester, intelligent checking system, solar panel and fan, intelligent checking system includes infrared temperature sensor, humidity sensor, master controller, display screen and power supply module, infrared temperature sensor, humidity sensor, display screen and power supply module are connect with master controller, and solar panel inclination is set to the top of cabinet body ontology；Power supply module includes voltage input end, the first transformer, first resistor, second resistance, first diode, first capacitor, the first triode, the 6th capacitor, the second triode, the second transformer, bridge rectifier, the second capacitor, microprocessor, 3rd resistor, third capacitor, the 4th resistance, the 4th capacitor, the 5th resistance, the 6th resistance, the 5th 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 controller switching equipment field, in particular to a kind of power distribution cabinet.
Background technique
Power distribution cabinet sub-power power distribution cabinet and light distribution cabinet, metering cabinet are the final stage devices of distribution system.Power distribution cabinet is electricity
The general designation of motivation control centre.Power distribution cabinet is used in the occasion that load is more dispersed, circuit is less, and motor control center is used for
The occasion that load is concentrated, circuit is more.The electric energy of a certain circuit of upper level controller switching equipment is distributed to nearest load by they.This
Grade equipment reply load provides protection, monitoring and control.The component that the power pack of conventional electrical distribution cabinet uses is more, circuit knot
Structure is complicated, and hardware cost is higher, it has not been convenient to safeguard.In addition, being protected since the power pack of conventional electrical distribution cabinet lacks corresponding circuit
Protective function, such as: signal interference function is prevented, 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 power distribution cabinet 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 power distribution cabinet, including cabinet body sheet
Body, door body, lightning arrester, intelligent checking system, solar panel and fan, the door body and the lightning arrester are set to
On the cabinet body ontology, the cabinet body ontology includes the threading hole and demagnetization slot for adjoining setting, and sieve shape is equipped in the threading hole
The one side wall of fire-resistant rubber gasket, the cabinet body ontology is equipped with ventilation opening by proximal portion, and it is opposite that the fan is set to another
The bottom for the side wall set up, the lightning arrester include lightning rod and earthing or grounding means interconnected, and the lightning rod is set to institute
The top of cabinet body ontology is stated, the earthing or grounding means is set to the bottom of the cabinet body ontology, and the intelligent checking system includes infrared
Temperature sensor, humidity sensor, master controller, display screen and power supply module, the infrared temperature sensor and humidity sensor
Device is set to the inside of the cabinet body ontology, and the infrared temperature sensor, humidity sensor, display screen and power supply module are and institute
Master controller connection is stated, the solar panel inclination is set to the top of the cabinet body ontology；
The power supply module includes voltage input end, the first transformer, first resistor, second resistance, first diode,
One capacitor, the first triode, the 6th capacitor, the second triode, the second transformer, bridge rectifier, the second capacitor, micro process
Device, 3rd resistor, third capacitor, the 4th resistance, the 4th capacitor, the 5th resistance, the 6th resistance, the 5th capacitor and voltage output
The anode at end, the voltage input end connects with one end of the primary coil of first transformer and one end of first resistor respectively
It connects, the cathode of the voltage input end is connect with the other end of the primary coil of first transformer, first transformer
One end of secondary coil connect by the second resistance with the base stage of first triode, time of first transformer
The other end of grade coil is connect with the base stage of second triode, the intermediate node point of the primary coil of first transformer
It is not connect with one end of the cathode of the first diode and first capacitor, the emitter of first triode and the described 6th
One end of capacitor connects, the other end of the 6th capacitor respectively with the anode of the first diode, first capacitor it is another
End is connected with the emitter of the second triode, the grounded collector of second triode, the other end point of the first resistor
It is not connect with one end of the collector of first triode and the primary coil of the second transformer, at the beginning of second transformer
The other end ground connection of grade coil；
One end of the secondary coil of second transformer is connect with an input terminal of the bridge rectifier, and described
The other end of the secondary coil of two transformers is connect with another input terminal of the bridge rectifier, the bridge rectifier
One output end is connect with the high-triggering end of one end of second capacitor and microprocessor respectively, the bridge rectifier it is another
One output end, the other end of the second capacitor and the ground terminal of microprocessor are grounded, and the low triggering end of the microprocessor is logical
The 3rd resistor ground connection is crossed, the first control terminal of the microprocessor passes through the third capacity earth, the microprocessor
The second control terminal connect respectively with one end, one end of the 5th resistance and one end of the 6th resistance of the 4th capacitor, it is described
The third control terminal of microprocessor is another with the other end of the 4th capacitor, one end of the 4th resistance and the 5th resistance respectively
End connection, the other end of the 4th resistance are connect with the 5th control terminal of the microprocessor and the 6th control terminal respectively, institute
The one end for stating the 5th capacitor is connect with the anode of the other end of the 5th resistance and voltage output end respectively, the 5th capacitor
The other end, the other end of the 6th resistance and the cathode of voltage output end be grounded, the capacitance of the 6th capacitor is
360pF。
In power distribution cabinet described in the utility model, the power supply module further includes the second diode, the two or two pole
The anode of pipe is connect with the other end of the first resistor, the current collection of the cathode of second diode and first triode
Pole connection, the model E-153 of second diode.
In power distribution cabinet described in the utility model, the power supply module further includes the 7th resistance, the 7th resistance
One end is connect with the other end of the 5th resistance, and the other end of the 7th resistance is connect with one end of the 5th capacitor,
The resistance value of 7th resistance is 37k Ω.
In power distribution cabinet described in the utility model, the power supply module further includes the 8th resistance, the 8th resistance
One end is connect with one end of second capacitor, and the other end of the 8th resistance and the high-triggering end of the microprocessor connect
It connects, the resistance value of the 8th resistance is 43k Ω.
In power distribution cabinet described in the utility model, first triode is NPN type triode.
In power distribution cabinet described in the utility model, second triode is PNP type triode.
The power distribution cabinet for implementing the utility model has the advantages that due to being equipped with cabinet body ontology, door body, lightning-arrest dress
Set, intelligent checking system, solar panel and fan, intelligent checking system include infrared temperature sensor, humidity sensor,
Master controller, display screen and power supply module；Power supply module includes voltage input end, the first transformer, first resistor, the second electricity
Resistance, first diode, first capacitor, the first triode, the 6th capacitor, the second triode, the second transformer, bridge rectifier,
Second capacitor, microprocessor, 3rd resistor, third capacitor, the 4th resistance, the 4th capacitor, the 5th resistance, the 6th resistance, the 5th
Capacitor and voltage output end, power pack of the power supply module relative to conventional electrical distribution cabinet, the component used is less, due to
Some components are saved, hardware cost can be reduced in this way, in addition, the 6th capacitor is for preventing the first triode and the two or three
Interference between pole pipe, thus circuit structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit compared with
It is high.
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 power distribution cabinet one embodiment；
Fig. 2 is the structural block diagram of intelligent checking system in the embodiment；
Fig. 3 is the circuit diagram of power supply 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 power distribution cabinet embodiment, the structural schematic diagram of the power distribution cabinet is as shown in Figure 1.In Fig. 1, the distribution
Cabinet includes cabinet body ontology 1, door body 2, lightning arrester 3, intelligent checking system, solar panel 5 and fan 6, wherein cabinet body sheet
Body 1 is roof, four side walls and bottom wall surround one has the cube structure for containing space, and door body 2 and lightning arrester 3 are set to
On cabinet body ontology 1, cabinet body ontology 1 includes the threading hole 11 and demagnetization slot 12 for adjoining setting, and sieve shape fire prevention is equipped in threading hole 11
Rubber sheet gasket 111, for preventing cable epidermis impaired, the one side wall of cabinet body ontology 1 is equipped with ventilation opening 13, fan by proximal portion
6 are set to the bottom of another opposite side wall set up, and lightning arrester 3 includes lightning rod 31 interconnected and earthing or grounding means 32,
Lightning rod 31 is set to the top of cabinet body ontology 1, and earthing or grounding means 32 is set to the bottom of cabinet body ontology 1, and the inclination of solar panel 5 is set
In the top of cabinet body ontology 1.
Fig. 2 is the structural block diagram of intelligent checking system in the present embodiment, and in Fig. 2, which includes infrared temperature
Spend sensor 41, humidity sensor 42, master controller 43, display screen 44 and power supply module 45, wherein infrared temperature sensor 41
The inside of cabinet body ontology 1, infrared temperature sensor 41, humidity sensor 42, display screen 44 and confession are set to humidity sensor 42
Electric module 45 is connect with master controller 43.
When infrared temperature sensor 41 monitors that the temperature in cabinet body ontology 1 is more than upper limit value, solar panel 5
Power supply is provided with connection fan 6 and for it, fan 6 starts work, and master controller 43 starts timing and records cabinet body ontology 1 at this time
Interior temperature data, if not up to defined lower limit value at the appointed time, shows alarm signal on display screen 44.
When humidity sensor 42 monitors that the humidity in cabinet body ontology 1 is more than upper limit value, solar panel 5 is connected
Fan 6 simultaneously provides power supply for it, and fan 6 starts work, and master controller 43 starts timing and records wet in cabinet body ontology 1 at this time
Degree evidence, if not up to defined lower limit value at the appointed time, shows alarm signal on display screen 44.
Fig. 3 is the circuit diagram of power supply module in the present embodiment, and in Fig. 3, which includes voltage input end
Vin, the first transformer T1, first resistor R1, second resistance R2, first diode D1, first capacitor C1, the first triode Q1,
6th capacitor C6, the second triode Q2, the second transformer T2, bridge rectifier Z, the second capacitor C2, microprocessor U1, third electricity
Hinder R3, third capacitor C3, the 4th resistance R4, the 4th capacitor C4, the 5th resistance R5, the 6th resistance R6, the 5th capacitor C5 and voltage
Output end vo, wherein voltage input end Vin anode respectively with one end of the primary coil of the first transformer T1 and first resistor
One end of R1 connects, and the cathode of voltage input end Vin is connect with the other end of the primary coil of the first transformer T1, the first transformation
One end of the secondary coil of device T1 is connect by second resistance R2 with the base stage of the first triode Q1, the secondary of the first transformer T1
The other end of coil is connect with the base stage of the second triode Q2, and the intermediate node of the primary coil of the first transformer T1 is respectively with
The cathode of one diode D1 is connected with one end of first capacitor C1, the emitter of the first triode Q1 and one end of the 6th capacitor C6
Connection, the other end of the 6th capacitor C6 respectively with the anode of first diode D1, the other end of first capacitor C1 and the two or three pole
The emitter of pipe Q2 connects, the grounded collector of the second triode Q2, the other end of first resistor R1 respectively with the first triode
One end of the primary coil of the collector of Q1 and the second transformer T2 connects, another termination of the primary coil of the second transformer T2
Ground.
One end of the secondary coil of second transformer T2 is connect with an input terminal of bridge rectifier Z, the second transformer
The other end of the secondary coil of T2 is connect with another input terminal of bridge rectifier Z, bridge rectifier an output end
It is connect respectively with the high-triggering end of one end of the second capacitor C2 and microprocessor U1, the another output of bridge rectifier Z,
The other end of two capacitor C2 and the ground terminal of microprocessor U1 are grounded, and the low triggering end of microprocessor U1 passes through 3rd resistor R3
Ground connection, the first control terminal of microprocessor U1 is by third capacitor C3 ground connection, and the second control terminal of microprocessor U1 is respectively with the
One end of four capacitor C4, one end of the 5th resistance R5 are connected with one end of the 6th resistance R6, the third control terminal of microprocessor U1
It is connect respectively with the other end of the 4th capacitor C4, one end of the 4th resistance R4 and the other end of the 5th resistance R5, the 4th resistance R4
The other end connect respectively with the 5th control terminal of microprocessor U1 and the 6th control terminal, one end of the 5th capacitor C5 is respectively with
The anode connection of the other end of five resistance R5 and voltage output end Vo, the other end of the 5th capacitor C5, the 6th resistance R6 it is another
The cathode of end and voltage output end Vo are grounded.
The power pack of the power supply module 45 relative to conventional electrical distribution cabinet, the component used is less, circuit structure compared with
Be it is simple, maintain easily, due to saving some components, hardware cost can be reduced in this way.In addition, the 6th capacitor C6 is coupling
Capacitor is closed to use, for preventing the interference between the first triode Q1 and the second triode Q2, therefore the safety of circuit and reliable
Property is higher.It is noted that the capacitance of the 6th capacitor C6 is 360pF in the present embodiment, certainly, in practical applications, the
The capacitance of six capacitor C6 can adjust accordingly as the case may be.
In the present embodiment, the first triode Q1 is NPN type triode, and the second triode Q2 is PNP type triode.Certainly,
In practical applications, the first triode Q1 may be PNP type triode, and the second triode Q2 may be NPN type triode,
But at this moment the structure of circuit also will accordingly change.
In the present embodiment, which further includes the second diode D2, the anode of the second diode D2 and the first electricity
The other end connection of R1 is hindered, the cathode of the second diode D2 is connect with the collector of the first triode Q1.Second diode D2 is
Current Limiting Diodes carry out current-limiting protection for the emitter current to the first triode Q1, to further enhance the safety of circuit
Property and reliability.It is noted that in the present embodiment, the model E-153 of the second diode D2, certainly, in practical application
In, the second diode D2 can also have the diode of similar functions using other models.
In the present embodiment, which further includes the 7th resistance R7, one end of the 7th resistance R7 and the 5th resistance R5
Other end connection, the other end of the 7th resistance R7 connect with one end of the 5th capacitor C5.7th resistance R7 is current-limiting resistance, is used
In carrying out current-limiting protection, further to enhance the safety and reliability of circuit.It is noted that in the present embodiment, the
The resistance value of seven resistance R7 is 37k Ω, and certainly, in practical applications, the resistance value of the 7th resistance R7 can carry out as the case may be
Corresponding adjustment.
In the present embodiment, which further includes the 8th resistance R8, one end of the 8th resistance R8 and the second capacitor C2
One end connection, the other end of the 8th resistance R8 connect with the high-triggering end of microprocessor U1.8th resistance R8 is current-limiting resistance,
For carrying out current-limiting protection, to further enhance current limitation effect.It is noted that in the present embodiment, the resistance of the 8th resistance R8
Value is 43k Ω, and certainly, in practical applications, the resistance value of the 8th resistance R8 can adjust accordingly as the case may be.
In short, in the present embodiment, the power pack of the power supply module 45 relative to conventional electrical distribution cabinet, the component used
Less, circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way.Separately
Outside, coupled capacitor is equipped in the power supply module 45, 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 (6)
1. a kind of power distribution cabinet, which is characterized in that including cabinet body ontology, door body, lightning arrester, intelligent checking system, solar-electricity
Pond plate and fan, the door body and the lightning arrester are set on the cabinet body ontology, and the cabinet body ontology includes adjoining to set
The threading hole and demagnetization slot set, the threading hole is interior to be equipped with sieve shape fire-resistant rubber gasket, and the one side wall of the cabinet body ontology is close
Top end is equipped with ventilation opening, and the fan is set to the bottom of another opposite side wall set up, and the lightning arrester includes mutual
The lightning rod and earthing or grounding means of connection, the lightning rod are set to the top of the cabinet body ontology, and the earthing or grounding means is set to described
The bottom of cabinet body ontology, the intelligent checking system include infrared temperature sensor, humidity sensor, master controller, display screen
And power supply module, the infrared temperature sensor and humidity sensor are set on the inside of the cabinet body ontology, the infrared temperature
Sensor, humidity sensor, display screen and power supply module are connect with the master controller, and the solar panel inclination is set
In the top of the cabinet body ontology；
The power supply module includes voltage input end, the first transformer, first resistor, second resistance, first diode, the first electricity
Appearance, the first triode, the 6th capacitor, the second triode, the second transformer, bridge rectifier, the second capacitor, microprocessor,
Three resistance, third capacitor, the 4th resistance, the 4th capacitor, the 5th resistance, the 6th resistance, the 5th capacitor and voltage output end, it is described
The anode of voltage input end is connect with one end of primary coil of first transformer and one end of first resistor respectively, described
The cathode of voltage input end is connect with the other end of the primary coil of first transformer, the secondary wire of first transformer
One end of circle is connect by the second resistance with the base stage of first triode, the secondary coil of first transformer
The other end is connect with the base stage of second triode, the intermediate node of the primary coil of first transformer respectively with it is described
The cathode of first diode is connected with one end of first capacitor, and the one of the emitter of first triode and the 6th capacitor
End connection, the other end of the 6th capacitor respectively with the anode of the first diode, the other end of first capacitor and second
The emitter of triode connects, the grounded collector of second triode, the other end of the first resistor respectively with it is described
One end of the primary coil of the collector of first triode and the second transformer connects, the primary coil of second transformer
Other end ground connection；
One end of the secondary coil of second transformer is connect with an input terminal of the bridge rectifier, and described second becomes
The other end of the secondary coil of depressor is connect with another input terminal of the bridge rectifier, and one of the bridge rectifier
Output end is connect with the high-triggering end of one end of second capacitor and microprocessor respectively, the bridge rectifier another
The ground terminal of output end, the other end of the second capacitor and microprocessor is grounded, and the low triggering end of the microprocessor passes through institute
State 3rd resistor ground connection, the first control terminal of the microprocessor is by the third capacity earth, and the of the microprocessor
Two control terminals are connect with one end, one end of the 5th resistance and one end of the 6th resistance of the 4th capacitor respectively, micro- place
The third control terminal for managing device connects with the other end of the other end of the 4th capacitor, one end of the 4th resistance and the 5th resistance respectively
It connecing, the other end of the 4th resistance is connect with the 5th control terminal of the microprocessor and the 6th control terminal respectively, and described
One end of five capacitors is connect with the anode of the other end of the 5th resistance and voltage output end respectively, the 5th capacitor it is another
The cathode of one end, the other end of the 6th resistance and voltage output end is grounded, and the capacitance of the 6th capacitor is 360pF.
2. power distribution cabinet according to claim 1, which is characterized in that the power supply module further includes the second diode, described
The anode of second diode is connect with the other end of the first resistor, the cathode of second diode and the one or three pole
The collector of pipe connects, the model E-153 of second diode.
3. power distribution cabinet according to claim 2, which is characterized in that the power supply module further includes the 7th resistance, and described
One end of seven resistance is connect with the other end of the 5th resistance, the other end of the 7th resistance and the one of the 5th capacitor
End connection, the resistance value of the 7th resistance are 37k Ω.
4. power distribution cabinet according to claim 3, which is characterized in that the power supply module further includes the 8th resistance, and described
One end of eight resistance is connect with one end of second capacitor, and the other end of the 8th resistance and the high of the microprocessor are touched
Originator connection, the resistance value of the 8th resistance are 43k Ω.
5. power distribution cabinet according to any one of claims 1 to 4, which is characterized in that first triode is NPN type three
Pole pipe.
6. power distribution cabinet according to any one of claims 1 to 4, which is characterized in that second triode is positive-negative-positive three
Pole pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671890.9U CN208939378U (en) | 2018-10-15 | 2018-10-15 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671890.9U CN208939378U (en) | 2018-10-15 | 2018-10-15 | Power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939378U true CN208939378U (en) | 2019-06-04 |
Family
ID=66724634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821671890.9U Expired - Fee Related CN208939378U (en) | 2018-10-15 | 2018-10-15 | Power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082512A (en) * | 2019-12-23 | 2020-04-28 | 广州市科士达电源设备有限公司 | Intelligent precise power distribution cabinet |
-
2018
- 2018-10-15 CN CN201821671890.9U patent/CN208939378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082512A (en) * | 2019-12-23 | 2020-04-28 | 广州市科士达电源设备有限公司 | Intelligent precise power distribution cabinet |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20201015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |