CN110456139A - A kind of power fail warning device of PON equipment - Google Patents
A kind of power fail warning device of PON equipment Download PDFInfo
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- CN110456139A CN110456139A CN201910764626.2A CN201910764626A CN110456139A CN 110456139 A CN110456139 A CN 110456139A CN 201910764626 A CN201910764626 A CN 201910764626A CN 110456139 A CN110456139 A CN 110456139A
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- Prior art keywords
- casing
- pon equipment
- electrically connected
- pon
- divider resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0003—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The present invention relates to a kind of power fail warning devices of PON equipment, it is related to the technical field of passive fiber equipment, it includes casing, further include: the detection components and executive module being set in casing, detection components are used to detect the input voltage value of PON equipment, and detection signal V1 is issued when input voltage value is lower than setting value；Executive module is electrically connected with detection components, for receiving and responding detection signal V1 and issue control signal V2 to provide the short-duration power of normal voltage to PON equipment, detection components, while trigger the fault message upload function of PON equipment.The present invention has the effect of to make PON equipment that status information be saved and be uploaded before power-off shutdown to facilitate the investigation of failure to improve the exclusion efficiency of failure.
Description
Technical field
The present invention relates to the technical fields of passive fiber equipment, more particularly, to a kind of power fail warning device of PON equipment.
Background technique
Currently, PON(passive optical network) refer to that, without containing any electronic device and electronic power supply in optical distribution, ODN is complete
Portion is made of passive devices such as optical splitters, does not need valuable active electronic devices.One passive optical network includes a peace
Optical line terminal (OLT) loaded on console for centralized control, and the matched optical network unit for being installed on customer site of a batch.
CPE, i.e. customer terminal equipment, first line of a couplet PON transmission network, the specific business device of the second line of a couplet, for completing access network
With the connection of user equipment, it is equivalent to router, rectifier is housed inside CPE, and is straight by AC conversion by rectifier
Galvanic electricity is powered again.Wireless CPE is exactly a kind of wireless terminal accessing device for receiving wifi signal, may replace wireless network card etc.
Wireless client device.The status information of PON equipment can be uploaded network by CPE or be transmitted to user equipment, facilitate use with this
The use state of family understanding PON equipment.
The component for saving and uploading status information is generally fitted in PON equipment, as PON chip such as HY-
The VREF termination of EP00001 model chip can triggering state information preservation and upload function when receiving the signal lower than its threshold voltage
Can, conveniently the significant data in PON chip is recorded and used with this.And status information in PON chip etc. can pass through
CPE, i.e. customer terminal equipment are uploaded, and are downloaded with user-friendly computer.
Prior art among the above has the following deficiencies: when the power-off of power supply network partial region or supply voltage decline
PON equipment can not normal operation, before the shutdown of PON device powers down include the status informations such as facility information, device location can not and
Shi Baocun, upload, so that the status information that user or maintenance personnel can not check before PON organ machine is to be difficult to find that faulty section
Domain and failure cause, to reduce the exclusion efficiency of failure.
Summary of the invention
The object of the present invention is to provide a kind of power fail warning devices of PON equipment, can make PON equipment will before power-off shutdown
Status information is saved and is uploaded, and facilitates the investigation of failure, to improve the exclusion efficiency of failure.
Foregoing invention purpose of the invention has the technical scheme that
A kind of power fail warning device of PON equipment, including casing, further includes:
Detection components are set in casing, for detecting the input voltage value of PON equipment, when input voltage value is lower than setting value
When issue detection signal V1；
Executive module is set in casing, is electrically connected with detection components, for receiving and responding detection signal V1 and issue control
Signal V2 is triggered on the fault message of PON equipment with providing the short-duration power of normal voltage to PON equipment, detection components
Pass function.
By using above-mentioned technical proposal, when the voltage of utility grid is lower than setting voltage, i.e., close to the minimum work of PON chip
When making voltage, issue detection signal V1, executive module receive discharge after detection signal V1 the electric energy of storage to detection PON equipment,
Detection components etc. carry out the power supply of short time, so that PON chip is maintained at working condition in a short time, and detect signal V1 touching
The fault status information upload function of PON equipment is sent out, so that PON chip saves in power-on time and upload malfunction letter
Breath, facilitates the investigation of failure with this, to improve the exclusion efficiency of failure.
The present invention is further arranged to: the detection components include:
First divider resistance, one end are electrically connected with the end VCC；
Second divider resistance, one end ground connection, the other end are electrically connected to one end of the first divider resistance；
Third divider resistance, one end ground connection, the other end are electrically connected to the end VREF of PON device chip；
4th divider resistance, one end are electrically connected to the end VREF of PON device chip；
Power switch, input terminal input the positive voltage signal of utility grid, and output end is electrically connected to the 4th divider resistance
One end；
Voltage comparator, positive input terminal are electrically connected to the tie point of third divider resistance and the 4th divider resistance, negative input
End is electrically connected to the tie point of the first divider resistance and the second divider resistance, output end output detection signal V1.
By using above-mentioned technical proposal, current potential, that is, voltage ratio of the tie point of the first divider resistance and the second divider resistance
Compared with the current potential of the negative input end of device, setting current potential, the i.e. current potential close to the minimum operating voltage of PON chip are adjusted with this；Third
The current potential of the tie point of divider resistance and the 4th divider resistance, that is, voltage comparator positive input terminal current potential, i.e. voltage value and PON
The directly proportional current potential of the supply voltage of chip, when the supply voltage of PON chip reduces, third divider resistance and the 4th partial pressure electricity
The current potential for hindering tie point reduces, and when current potential is lower than setting voltage, is lower than negative input according to voltage comparator positive input terminal voltage
The low level characteristic of voltage output is held, the output end of voltage comparator exports low level at this time, i.e., detection signal V1 is low level.
The present invention is further arranged to: the executive module includes:
PNP type triode, base stage are electrically connected with the output end of voltage comparator, grounded collector；
Relay, one end of coil are electrically connected to the emitter of PNP type triode, another end termination VCC of coil；
Capacitance group, comprising multiple capacitors parallel with one another, one end of capacitance group is grounded, and the other end is electrically connected to the defeated of power switch
Outlet and output voltage signal are with electric energy needed for supplying the work of PON device chip.
By using above-mentioned technical proposal, when detecting signal V1 output, since detection signal is low level and positive-negative-positive three
Pole pipe has the characteristic of low level conducting, therefore to obtain relay coil electric for PNP type triode conducting, issues excitation signal；And
Capacitance group one end ground connection, the output end of another termination power switch, is charged with this before electric network power-fail, after electric network power-fail
Electric energy is discharged, and PON device chip is powered, so that PON chip saves in power-on time and upload malfunction letter
Breath, facilitates the investigation of failure with this, to improve the exclusion efficiency of failure.
The present invention is further arranged to: emergency cell is equipped in the casing, a pole and the PON of the emergency cell are set
Standby one pole of supply lines electrical connection, the normally opened contact both ends of the relay be electrically connected another pole in emergency cell with
Another pole of the supply lines of PON equipment.
By using above-mentioned technical proposal, when detecting signal sending, relay obtains electric and issuing excitation signal keeps it normal
Contact closure is opened, so that emergency cell and PON equipment be connected before capacitive electric energy releases, PON equipment is powered, is avoided
Capacitive electric energy release time is insufficient and status information is made to be difficult to save complete or upload completely, while the shutdown of PON equipment being avoided to produce
The normal work of raw suspension phenomena impair user.
The present invention is further arranged to: installing mechanism is provided in the casing, the casing side offers installing port,
The installing mechanism includes penetrating in installing port and sliding the slide of connection with casing, be articulated with slide by the arc of one end in casing
The elastic slice of shape and the guide rail being set in casing, the other end and casing inner wall of the elastic slice are rotatablely connected, the slide edge
Elastic slice first buckles reinflated when guide rail directional-sliding, and the accommodation groove placed for emergency cell is offered in the slide, described
The conduction mechanism that the current supply circuit for emergency cell and PON equipment to be connected runs for PON equipment is provided in accommodation groove.
It only need to pull slide when needing replacing emergency cell in case of the used time by using above-mentioned technical proposal and be allowed to overcome
The elastic force that elastic slice deformation generates is moved to outside casing, after elastic slice is bent to largest deformation degree, point in the elastic force direction of elastic slice
Power pushes slide to be displaced outwardly towards outside casing with this, and moves slide under the elastic force effect of elastic slice and be locked to maximum
Abjection state is to facilitate the placement of emergency cell；The elastic force that elastic slice is first overcome when slide push-in, when elastic slice is bent to maximum shape
After change degree, the elastic force direction of elastic slice changes, and slides into slide automatically in casing under the effect of elasticity and makees in the elastic force of elastic slice
With lower locking, the loosening of emergency cell is reduced, to improve the stability of power supply；Conduction mechanism for be connected emergency cell with
The current supply circuit of PON equipment avoids capacitive electric energy release time insufficient and makes status information to be powered to PON equipment
It is difficult to save complete or upload completely, while avoiding the normal work of the suspension phenomena impair user of PON equipment shutdown generation.
The present invention is further arranged to: the cabinet top offers the through-hole being connected to in accommodation groove, the conducting machine
Structure includes the contact that sliding is arranged in through-hole and the button that one end is connect with contact, and the contact is V-shaped, the accommodation groove
Inner sidewall on be provided with salient point, the groove being engaged by clamping with salient point is offered on the contact, the contact and PON equipment supply
A wherein pole for electric wire is electrically connected, and contact is electrically connected with one pole of emergency cell when the button is pressed.
By using above-mentioned technical proposal, when button is pressed, contact is towards moving in casing, so as to contact and answer urgent telegram
One pole in pond contradicts conducting, and contact is V-shaped to facilitate between contact insertion emergency cell and accommodating groove groove wall, and the groove of contact
It is engaged by clamping with the salient point in accommodating groove sidewall, avoids contact to loosen reset with this and influence power supply.
The present invention is further arranged to: being provided on the casing inner wall has with what the normally opened contact of relay was electrically connected
The gasket of electric conductivity, described slide one end, which is provided with, contradicts conductive sheet metal with one pole of emergency cell, and the slide is inserted into machine
Sheet metal and gasket contradict conductive when in shell.
By using above-mentioned technical proposal, gasket and sheet metal all have electric conductivity, when in slide insertion casing, metal
Piece is electrically connected with gasket, the one of the supply lines of a pole and PON equipment for conducting emergency cell when normally opened contact of relay is closed
Pole, to power to PON equipment.
The present invention is further arranged to: bolt is equipped on the casing, described slide one end offers screw socket, the cunning
Seat is threadedly coupled one end of the bolt when sliding into casing with screw socket.
By using above-mentioned technical proposal, when the decline of its elastic force is used for a long time in elastic slice, the elastic force of elastic slice is difficult to push cunning
Seat is so that sheet metal pushes against gasket, thus the phenomenon that causing poor contact, therefore by the slide in bolt locking slide-in casing,
The phenomenon that making gasket be connected with sheet metal when relay issues excitation signal, reduce poor contact with this with this.
The present invention is further arranged to: sliding slot is offered in the casing, sliding is provided with sliding block in the sliding slot, described
The spring element that one end is connect with sliding block is provided in sliding slot along its length, the other end and sliding slot inner wall of the spring element are solid
It is fixed.
By using above-mentioned technical proposal, the mobile stroke of elastic slice is improved by sliding block, elastic slice compresses when slide slides into
And spring element compresses therewith and generates elastic force, when elastic slice be compressed to largest deformation degree rear slider slide and make spring element elongate produce
During which raw reversed elastic force reduces the time of elastic slice compression, to extend the use of elastic slice so that slide be made to be locked in casing
Service life.
The present invention is further arranged to: the spring element uses spring, is provided with cunning along its length in the sliding slot
Column, the traveller are arranged in spring.
Spring skew is avoided to bent and change by the telescopic direction of traveller stabilizing spring by using above-mentioned technical proposal
Become the elastic force direction of elastic slice, to improve the stability of slide sliding.
In conclusion advantageous effects of the invention are as follows:
1. issuing detection signal V1, executive module discharges after receiving detection signal V1 when the voltage of utility grid is lower than setting voltage
The electric energy of storage carries out the power supply of short time to detection PON equipment, detection components etc., so that PON chip is kept in a short time
In working condition and trigger the fault status information upload function of PON equipment so that PON chip saved in power-on time and on
Fault status information is passed, facilitates the investigation of failure with this, to improve the exclusion efficiency of failure；
2. when detecting signal sending, relay obtains electric and issuing excitation signal is closed its normally opened contact, thus in capacitor electricity
Conducting emergency cell and PON equipment, are powered PON equipment before capable of releasing, avoid capacitive electric energy release time insufficient and
Status information is set to be difficult to save complete or upload completely, while avoiding the suspension phenomena impair user of PON equipment shutdown generation
It works normally；
3. after elastic slice is bent to largest deformation degree, the component in the elastic force direction of elastic slice is towards outside casing, and slide is in elastic slice
Elastic force effect is lower mobile and is locked to maximum abjection state to facilitate the placement of emergency cell；When elastic slice is bent to largest deformation journey
After degree, the elastic force direction of elastic slice changes, and slides into slide automatically in casing and under the effect of the elastic force of elastic slice under the effect of elasticity
Locking, reduces the loosening of emergency cell, to improve the stability of power supply.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is circuit diagram of the invention；
Fig. 3 is the principle of the present invention block diagram；
Fig. 4 is partial circuit schematic diagram of the invention；
Fig. 5 is the schematic diagram of the section structure of the invention.
Appended drawing reference: 1, casing；11, installing port；12, guide rail；13, gasket；131, bolt；132, screw socket；14, sliding slot；
141, sliding block；142, spring element；143, traveller；2, installing mechanism；21, accommodation groove；211, salient point；22, slide；221, through-hole；
3, conduction mechanism；31, contact；32, groove；33, button；34, sheet metal；35, elastic slice；4, detection components；5, executive module.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1, Fig. 2 is a kind of power fail warning device of PON equipment disclosed by the invention, including in a rectangular parallelepiped shape
It further include detection components 4 and the executive module being electrically connected with detection components 45, PON equipment for the casing 1 of PON chip installation
Chip be preferably HY-EP00001 model chip.Detection components 4 are used to detect the input voltage value of PON equipment, work as input
Voltage value issues detection signal V1 when being lower than setting value, executive module 5 is for receiving and responding detection signal V1 and issue control
Signal V2 is triggered on the fault message of PON equipment with providing the short-duration power of normal voltage to PON equipment, detection components 4
Pass function.
Detection components 4 include the first divider resistance R1, the second divider resistance R2, third divider resistance R3, the 4th partial pressure electricity
Hinder R4, power switch PSW6M2 and voltage comparator N1.First one end divider resistance R1 is electrically connected with the end VCC, other end electricity
It is connected to the second divider resistance R2, second divider resistance R2 other end ground connection, third one end divider resistance R3 ground connection, other end electricity
It is connected to the 4th divider resistance R4 and the tie point of the two is electrically connected with the end VREF of PON device chip, when PON device chip
Triggering state information preservation upload function when the voltage value at the end VREF is lower than threshold voltage.
The input terminal of power switch PSW6M2 inputs the positive voltage signal of utility grid, output end by interface PJ1
It is electrically connected to one end of the 4th divider resistance R4.The positive input terminal of voltage comparator N1 is electrically connected to third divider resistance R3 and
The tie point of four divider resistance R4, negative input end are electrically connected to the connection of the first divider resistance R1 and the second divider resistance R2
Point, output end output detection signal V1.
The current potential of the tie point of first divider resistance R1 and the second divider resistance R2, that is, voltage comparator N1 negative input end
Current potential, setting current potential, the i.e. current potential close to the minimum operating voltage of PON chip are adjusted with this.Third divider resistance R3 and
The current potential of the tie point of four divider resistance R4, that is, voltage comparator N1 positive input terminal current potential, the i.e. confession of voltage value and PON chip
The directly proportional current potential of piezoelectric voltage.
When the supply voltage of PON chip reduces, the current potential of third divider resistance R3 and the 4th divider resistance R4 tie point
It reduces, it is low lower than negative input end voltage output according to voltage comparator N1 positive input terminal voltage when current potential is lower than setting voltage
The characteristic of level, the output end of voltage comparator N1 exports low level at this time, i.e., detection signal V1 is low level.
Executive module 5 include PNP type triode Q1, relay KM1 and capacitance group, the base stage of PNP type triode Q1 with
The output end of voltage comparator N1 is electrically connected, and grounded collector, emitter is electrically connected to one end of relay KM1 coil.
Another end termination VCC of relay KM1 coil, relay KM1 coil both ends are parallel with first diode D3, first diode D3's
Cathode is electrically connected with the end VCC, eliminates the self induction electromotive force in relay KM1 coil with this, the end VCC is independent electrical source.
Capacitance group includes first capacitor CP1, the second capacitor CP2 and the second capacitor CP3, first capacitor CP1, the second electricity
Appearance CP2 and the second capacitor CP3 is parallel with one another, and one end ground connection of capacitance group, the other end is electrically connected to power switch PSW6M2's
Output end is with electric energy needed for output voltage signal VIN supply PON device chip work, and this end is also electrically connected with the two or two pole
Pipe D2 is simultaneously electrically connected with its cathode, and the anode of the second diode D2 is electrically connected to the output end of power switch PSW6M2, for steady
Determine the voltage of capacitance group output, improves the stability of voltage signal VIN.Power switch PSW6M2 output end and the 4th divider resistance
Be electrically connected with auxiliary resistance R5 between R4, be parallel with zener diode D1 on auxiliary resistance R5, the anode of zener diode D1 with
4th divider resistance R4 electrical connection, for the voltage of stabilized power supply switch PSW6M2 output, auxiliary resistance R5 is for reducing pressure stabilizing
The conducting resistance of diode D1.
Referring to Fig. 2, Fig. 3, capacitance group one end ground connection, the output end of another termination power switch PSW6M2, with this in power grid
It charges before power down, electric energy is discharged after electric network power-fail, and be powered to PON device chip, so that PON chip is being powered
Fault status information is saved and uploaded in time, facilitates the investigation of failure with this, to improve the exclusion efficiency of failure.
Referring to Fig.1, Fig. 4, emergency cell is equipped in casing 1, and emergency cell uses rechargeable battery, a pole of emergency cell
It is electrically connected with one pole of supply lines of PON equipment, the both ends normally opened contact KM1-1 of relay KM1 are electrically connected in emergency cell
Another pole and PON equipment another pole of supply lines.When detecting signal V1 output, since detection signal is low level and PNP
Type triode Q1 has the characteristic of low level conducting, therefore to obtain relay KM1 coil electric for PNP type triode Q1 conducting, issues
Excitation signal, so that the normally opened contact KM1-1 of relay KM1 is closed.Emergency cell and PON equipment form current supply circuit at this time,
To which emergency cell and PON equipment be connected before capacitive electric energy releases, PON equipment is powered, capacitive electric energy is avoided to release
It puts time deficiency and status information is made to be difficult to save complete or upload completely, while avoiding the suspension of PON equipment shutdown generation existing
Normal work as influencing user.Relay KM1 uses solid-state relay, and the delay of conducting is reduced with this, is avoided in PON equipment
Way powers off.
Referring to Fig.1, Fig. 5, is provided with installing mechanism 2 in casing 1,1 inner hollow of casing and side offers installing port 11,
Installing port 11 is square.Installing mechanism 2 includes penetrating in installing port 11 and sliding the slide 22 of connection with casing 1, be articulated with cunning
Seat 22 is by the elastic slice 35 of the arc of one end in casing 1 and the guide rail 12 being set in casing 1.Slide 22 is in a rectangular parallelepiped shape, sliding
The accommodation groove 21 placed for emergency cell is offered in seat 22, accommodation groove 21 is square and is open straight up.Guide rail 12 is in length
Strip and the two sides for being located at slide 22, are integrally formed with 1 inner wall of casing, and for being oriented to slide 22, it is sliding to improve slide 22
The stability of shifting.
The two sides inner wall of guide rail 12 and casing 1 forms sliding slot 14, and sliding is provided with rectangular sliding block 141, bullet in sliding slot 14
Outer wall of the other end of the piece 35 far from slide 22 with sliding block 141 by 22 side of slide is hinged, and slide 22 is along 12 directional-sliding of guide rail
When elastic slice 35 first buckle it is reinflated.It is allowed to overcome the elastic force of 35 deformation of elastic slice generation to outside casing 1 when user pulls slide 22
When mobile, elastic slice 35 is gradually curved to largest deformation degree, and the component in the elastic force direction of elastic slice 35 changes to towards casing 1 later
Outside, it pushes slide 22 to be displaced outwardly with this, and moves slide 22 under the elastic force effect of elastic slice 35 and be locked to maximum abjection
State is to facilitate the placement of emergency cell.The elastic force that elastic slice 35 is first overcome when slide 22 is pushed into, when the bending of elastic slice 35 to maximum
After deformation degree, the elastic force direction of elastic slice 35 changes, and slides into slide 22 automatically in casing 1 and in elastic slice 35 under the effect of elasticity
The lower locking of elastic force effect, the loosening of emergency cell is reduced, to improve the stability of power supply.
Spring element 142 is provided in sliding slot 14 along its length, spring element 142 uses spring, when spring does not stress
Length is less than length when elastic slice 35 does not stress, and spring one end is adhesively fixed with sliding block 141, and its other end and 1 inner wall of casing
It is adhesively fixed by seccotine.The traveller 143 in round bar shape, one end of traveller 143 are provided in sliding slot 14 along its length
It is integrally formed with casing 1, the other end passes through sliding block 141 and the sliding of sliding block 141 connects.Traveller 143 is arranged in spring, steady with this
The telescopic direction for determining spring avoids spring skew from bent and change the elastic force direction of elastic slice 35, to improve the sliding of slide 22
Stability.
When slide 22 slides into, elastic slice 35 compresses and spring element 142 compresses therewith and generate elastic force, when elastic slice 35 is compressed to
Largest deformation degree rear slider 141 slides, at this time the rapid deployment when sliding block 141 is mobile of elastic slice 35, and elongates spring element 142
Reversed elastic force is generated, so that slide 22 be made to be locked in casing 1, the time that elastic slice 35 compresses during which is reduced, to extend bullet
The service life of piece 35.
The through-hole 221 being connected to one end in accommodation groove 21 is offered at the top of casing 1, through-hole 221 is square.Conduction mechanism 3
The button 33 that the contact 31 and one end being arranged in through-hole 221 including sliding are connect with contact 31.Contact 31 is V-shaped, uses
Flexible copper sheet, contact 31 are V-shaped to facilitate contact 31 to be inserted between emergency cell and 21 cell wall of accommodation groove.Accommodation groove 21
Inner sidewall on be wholely set arc 21 inner wall of protrusion accommodation groove salient point 211, and offered on contact 31 and salient point 211
The groove 32 of clamping engagement.It is engaged by clamping when contact 31 slides with salient point 211, contact 31 and slide 22 is locked with this, thus
It avoids contact 31 from loosening to reset and influence power supply.
Button 33 is square, and connect with wall slip in through-hole 221, and the top of button 33 is provided with the disengaging of limit button 33
The stop collar of through-hole 221, stop collar are square ring-type, are integrally formed with button 33.Contact 31 and urgent telegram is answered when button 33 is pressed
The electrical connection of one pole of pond.Contact 31 and PON equipment supply lines it is wherein one extremely corresponding and be electrically connected to each other by conducting wire, when slide 22
When detaching casing 1, the elastic slice 35 of V-arrangement is detached under the guiding on its inclined-plane and the pressure of emergency cell and the connection of emergency cell,
To reset, facilitate the movement of slide 22.
Casing 1 is far from conductive gasket 13 is hinged on the side inner wall of slide 22, and gasket 13 is square, gasket
13 use copper sheet, and gasket 13 is electrically connected with one end normally opened contact KM1-1 of relay KM1.On side of the casing 1 far from its opening
It is equipped with bolt 131,22 one end of slide offers screw socket 132, and one end of bolt 131 is threadedly coupled with screw socket 132.When elastic slice 35
When the decline of its elastic force is used for a long time, the elastic force of elastic slice 35 is difficult to push slide 22 so that sheet metal 34 pushes against gasket 13, to make
The phenomenon that at poor contact.Therefore the slide 22 in casing 1 is slid by the locking of bolt 131, makes gasket 13 in relay with this
The phenomenon that KM1 is connected with sheet metal 34 when issuing excitation signal, reduces poor contact with this.
One end of slide 22, which is provided with, contradicts conductive sheet metal 34 with a pole of emergency cell, and sheet metal 34 uses copper material
Matter, and be adhesively fixed with slide 22 by seccotine, sheet metal 34 is electrically connected through the side wall of slide 22 with the conflict of gasket 13.Pad
Piece 13 and sheet metal 34 all have electric conductivity, and when slide 22 is inserted into casing 1, sheet metal 34 is electrically connected with gasket 13, with this
A pole of a pole of emergency cell and the supply lines of PON equipment is connected, to power to PON equipment.
The implementation principle of the present embodiment are as follows: when the voltage of utility grid is lower than setting voltage, i.e., close to the minimum work of PON chip
When making voltage, issue detection signal V1, executive module 5 receive discharge after detection signal V1 the electric energy of storage to detection PON equipment,
Detection components 4 etc. carry out the power supply of short time, so that PON chip is maintained at working condition in a short time, and detect signal V1
The fault status information upload function of PON equipment is triggered, so that PON chip saves in power-on time and upload malfunction letter
Breath, facilitates the investigation of failure with this, to improve the exclusion efficiency of failure.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of power fail warning device of PON equipment, it is characterised in that: including casing (1), further includes:
Detection components (4) are set in casing (1), for detecting the input voltage value of PON equipment, when input voltage value is lower than
Detection signal V1 is issued when setting value；
Executive module (5) is set in casing (1), is electrically connected with detection components (4), for receiving and responding detection signal V1
And control signal V2 is issued to provide the short-duration power of normal voltage to PON equipment, detection components (4), while trigger PON equipment
Fault message upload function.
2. a kind of power fail warning device of PON equipment according to claim 1, it is characterised in that: the detection components (4)
Include:
First divider resistance, one end are electrically connected with the end VCC；
Second divider resistance, one end ground connection, the other end are electrically connected to one end of the first divider resistance；
Third divider resistance, one end ground connection, the other end are electrically connected to the end VREF of PON device chip；
4th divider resistance, one end are electrically connected to the end VREF of PON device chip；
Power switch, input terminal input the positive voltage signal of utility grid, and output end is electrically connected to the 4th divider resistance
One end；
Voltage comparator, positive input terminal are electrically connected to the tie point of third divider resistance and the 4th divider resistance, negative input
End is electrically connected to the tie point of the first divider resistance and the second divider resistance, output end output detection signal V1.
3. a kind of power fail warning device of PON equipment according to claim 2, it is characterised in that: the executive module (5)
Include:
PNP type triode, base stage are electrically connected with the output end of voltage comparator, grounded collector；
Relay, one end of coil are electrically connected to the emitter of PNP type triode, another end termination VCC of coil；
Capacitance group, comprising multiple capacitors parallel with one another, one end of capacitance group is grounded, and the other end is electrically connected to the defeated of power switch
Outlet and output voltage signal are with electric energy needed for supplying the work of PON device chip.
4. a kind of power fail warning device of PON equipment according to claim 3, it is characterised in that: peace in the casing (1)
Equipped with emergency cell, a pole of the emergency cell is electrically connected with one pole of supply lines of PON equipment, the normally opened touching of the relay
Point both ends are electrically connected another pole in emergency cell and another pole of supply lines of PON equipment.
5. a kind of power fail warning device of PON equipment according to claim 4, it is characterised in that: set in the casing (1)
It is equipped with installing mechanism (2), casing (1) side offers installing port (11), and the installing mechanism (2) includes penetrating installing port
(11) slide (22) of connection is slid in and with casing (1), is articulated with slide (22) by the elastic slice of the arc of casing (1) interior one end
(35) and the guide rail (12) that is set in casing (1), the other end and casing (1) inner wall of the elastic slice (35) are rotatablely connected,
Elastic slice (35) first buckles reinflated when the slide (22) is along guide rail (12) directional-sliding, offers confession in the slide (22)
The accommodation groove (21) that emergency cell is placed, the interior confession being provided with for emergency cell Yu PON equipment to be connected of the accommodation groove (21)
The conduction mechanism (3) that electrical circuit runs for PON equipment.
6. a kind of power fail warning device of PON equipment according to claim 5, it is characterised in that: at the top of the casing (1)
The through-hole (221) for offering and being connected in accommodation groove (21), the conduction mechanism (3) include that sliding is arranged in through-hole (221)
Contact (31) and the button (33) that is connect with contact (31) of one end, the contact (31) is V-shaped, the accommodation groove (21)
It is provided on inner sidewall salient point (211), the groove (32) being engaged by clamping with salient point (211), institute is offered on the contact (31)
It states contact (31) to be electrically connected with a wherein pole for PON equipment supply lines, contact (31) and answers urgent telegram when the button (33) is pressed
The electrical connection of one pole of pond.
7. a kind of power fail warning device of PON equipment according to claim 5, it is characterised in that: casing (1) inner wall
On be provided with the conductive gasket (13) being electrically connected with the normally opened contact of relay, described slide (22) one end is provided with
Conductive sheet metal (34) is contradicted with one pole of emergency cell, sheet metal (34) and pad when slide (22) insertion casing (1) is interior
Piece (13) contradicts conductive.
8. a kind of power fail warning device of PON equipment according to claim 5, it is characterised in that: worn on the casing (1)
Equipped with bolt (131), described slide (22) one end is offered screw socket (132), and the slide (22) slides into the interior when institute of casing (1)
The one end for stating bolt (131) is threadedly coupled with screw socket (132).
9. a kind of power fail warning device of PON equipment according to claim 5, it is characterised in that: opened in the casing (1)
Equipped with sliding slot (14), sliding is provided with sliding block (141) in the sliding slot (14), is arranged along its length in the sliding slot (14)
The spring element (142) for having one end to connect with sliding block (141), the other end and sliding slot (14) inner wall of the spring element (142) are fixed.
10. a kind of power fail warning device of PON equipment according to claim 9, it is characterised in that: the spring element
(142) spring is used, is provided with along its length traveller (143) in the sliding slot (14), the traveller (143) is arranged in bullet
In spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764626.2A CN110456139B (en) | 2019-08-19 | 2019-08-19 | Power failure warning device of PON equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764626.2A CN110456139B (en) | 2019-08-19 | 2019-08-19 | Power failure warning device of PON equipment |
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| CN110456139B CN110456139B (en) | 2022-01-11 |
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Also Published As
| Publication number | Publication date |
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| CN110456139B (en) | 2022-01-11 |
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