CN108230596A - A kind of bench type burglar alarm device of distribution transformer and method - Google Patents
A kind of bench type burglar alarm device of distribution transformer and method Download PDFInfo
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- CN108230596A CN108230596A CN201810143802.6A CN201810143802A CN108230596A CN 108230596 A CN108230596 A CN 108230596A CN 201810143802 A CN201810143802 A CN 201810143802A CN 108230596 A CN108230596 A CN 108230596A
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- distribution transformer
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
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- Burglar Alarm Systems (AREA)
Abstract
The application is about a kind of bench type burglar alarm device of distribution transformer and method, which includes rectifier, conversion hysteria relay, switch, UPS and communication module.The control terminal of conversion hysteria relay connects any phase in zero curve and distribution transformer service entrance switch mains side three-phase, normally-closed contact connection UPS, normally opened contact connecting communication module by rectifier；Communication module is used for terminal alert.This method includes whether persistently having voltage between any phase and zero curve in detection distribution transformer service entrance switch mains side three-phase；If not, judgement bench type distribution transformer is stolen；When bench type distribution transformer is stolen, communication module is triggered by relay；Power cut-off information is transmitted to terminal by communication module.The integrated anti-theft to bench type distribution transformer can be realized by the device and method in the application, and does not influence the maintenance of distribution transformer.And the structure of the device is simple, convenient for promoting the use of.
Description
Technical field
This application involves controller switching equipment monitoring technical field more particularly to a kind of bench type distribution transformer theft alarm dresses
It puts and method.
Background technology
Distribution transformer is in distribution system, converting alternating voltage and electric current according to the law of electromagnetic induction and transmitting friendship
A kind of static electric appliance of galvanic electricity energy.Classify from the angle of voltage class, distribution transformer refers to voltage class for 35kV and following
Power transformer, it is relatively common for 10kV and following distribution transformer.Distribution transformer is usually again including box distribution
Transformer, dry-type distribution transformer and bench type distribution transformer.
Wherein, bench type distribution transformer is also known as pole type transformer, since bench type distribution transformer is installed on open air, holds
Distribution transformer, bus cable, JP cabinets and fuse switch easily occurs to be stolen, therefore, designs a kind of bench type distribution and becomes
Depressor burglar alarm and alarm method are a major issues.
At present, for all parts in bench type distribution transformer is avoided to be stolen, the method for generally use mechanical anti-theft, such as
Anti-theft bolt or setting transform anti-theft lock are set on distribution transformer, alternatively, using to each in bench type distribution transformer
The method that component carries out reinforcement of weld.Wherein, reinforcement of weld is to use electric welding machine by distribution transformer pedestal and the ironware of rack
Welding and with electric welding machine by distribution transformer upper cover gap whole sealing welding.
However, anti-theft bolt or the method for setting transform anti-theft lock are set on distribution transformer at present, it can only be to matching
Piezoelectric transformer plays anti-theft function, and bus cable, JP cabinets and fuse switch can not be prevented to be stolen.Using to each component into
Although the method for row reinforcement of weld can play anti-theft function, due to being welded between all parts, between each component
It is connected for non-dismountable formula, bigger difficulty is brought to the conventional maintenance of bench type distribution transformer.
Invention content
For overcome bench type distribution transformer can not integrally be carried out present in the relevant technologies it is antitheft and existing anti-
Steal device and be not easy to the problem of distribution transformer is safeguarded, the application provide a kind of bench type burglar alarm device of distribution transformer and
Method.
A kind of bench type burglar alarm device of distribution transformer, described device are set to inside JP cabinets, and described device includes：
Rectifier, conversion hysteria relay, switch, UPS and communication module, the control terminal of the conversion hysteria relay are connected by rectifier
Any one phase in zero curve and distribution transformer service entrance switch mains side A, B, C three-phase, the normally closed of the conversion hysteria relay are touched
Point is connect with UPS, and the normally opened contact of the conversion hysteria relay is connect with communication module；
The conversion hysteria relay, for working as any one phase in distribution transformer service entrance switch mains side A, B, C three-phase
When having continuous voltage between zero curve, charge to UPS, when arbitrary in distribution transformer service entrance switch mains side A, B, C three-phase
When there is no continuous voltage between one phase and zero curve, communication module is triggered；
The communication module is used for terminal alert, described to switch to control the logical of conversion hysteria relay
Disconnected, the UPS is used for when communication module works, and is powered to communication module.
Optionally, described device further includes the alarm being set on JP cabinet shells, the conversion hysteria relay it is normally opened
Contact is connect respectively with communication module and alarm, and the UPS is additionally operable to when alarm work, is powered to alarm.
Optionally, the conversion hysteria relay is conversion hysteria electromagnetic relay.
Optionally, the terminal includes mobile phone, tablet computer or the indoor display of distribution monitor.
A kind of bench type burglar alarm device of distribution transformer, described device are set to inside JP cabinets, and described device includes：
AC relay, accumulator and communication module, the coil connection zero curve and distribution transformer service entrance switch of the AC relay
Any one phase in mains side A, B, C three-phase；
The AC relay, for work as any one phase in distribution transformer service entrance switch mains side A, B, C three-phase and
When having the continuous voltage to flow through coil between zero curve, movable contact is disconnected with normally opened contact, when distribution transformer service entrance switch mains side
When A, not having continuous voltage between any one phase in B, C three-phase and zero curve, movable contact is closed with normally opened contact, triggering communication mould
Block；
The communication module is used for terminal alert, and the accumulator is used for when communication module works, to
Communication module is powered.
Optionally, the accumulator includes 12V accumulators, 6V accumulators or 8V accumulators.
A kind of bench type distribution transformer theft alarm method, the method includes：
Whether persistently have between any one phase and zero curve in detection distribution transformer service entrance switch mains side A, B, C three-phase
Voltage；
If so, judgement bench type distribution transformer is not stolen, otherwise, it is determined that bench type distribution transformer is stolen；
When bench type distribution transformer is stolen, communication module is triggered by relay；
Power cut-off information is transmitted to terminal by communication module.
Optionally, when bench type distribution transformer is stolen, the relay also triggers alarm.
Optionally, the bench type distribution transformer includes distribution transformer, bus cable, JP cabinets, fuse switch
And rack, the JP cabinets, distribution transformer, fuse switch are in turn secured to from the bottom up on the rack, the JP
It is connected by bus cable between cabinet and distribution transformer, is connected between the distribution transformer and fuse switch by cable
It connects.
Optionally, when the either component in the distribution transformer, bus cable, JP cabinets or fuse switch is stolen,
Voltage is continuously zero between any one phase and zero curve in distribution transformer service entrance switch mains side A, B, C three-phase.
The technical solution that embodiments herein provides can include the following benefits：
The application provides a kind of bench type burglar alarm device of distribution transformer, the control of conversion hysteria relay in the device
End by rectifier connection zero curve and distribution transformer service entrance switch mains side A, B, C three-phase in any one phase, conversion hysteria after
The normally-closed contact of electric appliance and UPS (Uninterruptible Power System, uninterruptible power supply) connections, conversion hysteria relay
Normally opened contact connect with communication module.Any one phase and zero in distribution transformer service entrance switch mains side A, B, C three-phase
When having continuous voltage between line, conversion hysteria relay controls phase voltage to charge to UPS, when distribution transformer service entrance switch mains side
When A, there is no continuous voltage between any one phase in B, C three-phase and zero curve, communication module is triggered by conversion hysteria relay, is led to
Warning message is transmitted to terminal by news module, so as to achieve the purpose that alarm.The application utilizes distribution transformer service entrance switch electricity
The characteristics of phase voltage between any phase and zero curve of source can be to device continued power, by judge phase voltage whether be
Zero, and realize burglar alarm using conversion hysteria relay connecting communication module, due to either component in bench type distribution transformer
It is stolen that phase voltage can all be caused to be zero, so as to cause present apparatus dead electricity, therefore can realize to the whole of bench type distribution transformer
Body is antitheft.In addition, the device volume is small, it is set to inside JP cabinets, any inconvenience can't be brought to the maintenance of distribution transformer
Profit, and the structure of the device is simple, convenient for promoting the use of.
The application also provides another bench type burglar alarm device of distribution transformer, the device include AC relay,
Accumulator and communication module three parts.Wherein, the coil connection zero curve of AC relay and distribution transformer service entrance switch power supply
Any one phase in A, B, C three-phase of side, AC relay are used for when in distribution transformer service entrance switch mains side A, B, C three-phase
When having the continuous voltage to flow through coil between any one phase and zero curve, movable contact is disconnected with normally opened contact；When distribution transformer inlet wire
When not having continuous voltage between any one phase and zero curve in A, B, C three-phase of Switching Power Supply side, movable contact is closed with normally opened contact,
Trigger communication module.Communication module is used for terminal alert, and accumulator is used for when communication module works, to communication
Module for power supply.The coil of AC relay and 220V phase voltages are formed input circuit by the application, utilize distribution transformer inlet wire
The characteristics of phase voltage between any phase and zero curve of Switching Power Supply side can be to device continued power exchanges relay by judgement
Whether the input circuit of device is persistently powered, and carrys out the unlatching of communication control module, so as to fulfill the purpose of burglar alarm.Due to rack
Either component, which is stolen, in formula distribution transformer can all cause phase voltage to be zero, so as to cause AC relay dead electricity in the present apparatus,
Therefore the integrated anti-theft to bench type distribution transformer can be realized.In addition, the device volume is small, it is set to inside JP cabinets, and
The maintenance of distribution transformer will not be brought any not convenient, and the structure of the device is simple, convenient for promoting the use of.
The application also provides a kind of bench type distribution transformer theft alarm method, and this method detects distribution transformer first
Whether persistently there is voltage between any one phase and zero curve in service entrance switch mains side A, B, C three-phase；If there is continuous voltage, sentence
It is not stolen to determine bench type distribution transformer, otherwise judges that bench type distribution transformer is stolen；When bench type distribution transformer is stolen, lead to
Cross relay triggering communication module；Then power cut-off information is transmitted to by terminal by communication module again.So as to fulfill bench type
The burglar alarm of distribution transformer.Since either component is stolen phase voltage can all be caused to be zero in bench type distribution transformer, from
And judge that bench type distribution transformer is stolen, therefore can realize the integrated anti-theft to bench type distribution transformer.In addition, the party
Therefore method, can't influence the maintenance of distribution transformer there is no the change to the distribution transformer course of work.
It should be understood that above general description and following detailed description are only exemplary and explanatory, not
The application can be limited.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the application
Example, and for explaining the principle of the application together with specification.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that a kind of circuit structure of bench type burglar alarm device of distribution transformer provided by the embodiments of the present application is illustrated
Figure；
Fig. 2 is that the circuit structure of another bench type burglar alarm device of distribution transformer provided by the embodiments of the present application shows
It is intended to；
Fig. 3 is a kind of flow diagram of bench type distribution transformer theft alarm method provided by the embodiments of the present application.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this Shen
It please be described in detail.Following disclosure provides many different embodiments or example is used for realizing the different knots of the application
Structure.In order to simplify disclosure herein, hereinafter the component of specific examples and setting are described.In addition, the application can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.The description to known assemblies and treatment technology and process is omitted to avoid the application is unnecessarily limiting in the application.
Distribution transformer is in distribution system, converting alternating voltage and electric current according to the law of electromagnetic induction and transmitting friendship
A kind of static electric appliance of galvanic electricity energy.Distribution transformer generally includes box-type distribution transformer, dry-type distribution transformer and rack
Formula distribution transformer.Burglar alarm and method in the application are suitable for bench type distribution transformer, and in the application
Bench type distribution transformer includes distribution transformer, bus cable, JP cabinets, fuse switch and rack, not only matches
Piezoelectric transformer.
The application in order to better understand explains in detail presently filed embodiment below in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1, Fig. 1 is a kind of circuit of bench type burglar alarm device of distribution transformer provided by the embodiments of the present application
Structure diagram.As shown in Figure 1, bench type burglar alarm device of distribution transformer mainly includes in the application：Rectifier, conversion
Type relay, five part of switch, UPS and communication module.
Wherein, the control terminal of conversion hysteria relay connects zero curve and distribution transformer service entrance switch mains side by rectifier
A, any one phase in B, C three-phase, the normally-closed contact B2 of conversion hysteria relay are connect with UPS, and the normally opened of conversion hysteria relay touches
Point B1 is connect with communication module.Namely the input circuit of conversion hysteria relay is by the coil of conversion hysteria relay, rectifier, zero
Any one phase composition in line and distribution transformer service entrance switch mains side A, B, C three-phase, zero curve and distribution transformer inlet wire are opened
It is 220V phase voltages between any one in powered-down source three-phase electricity, the 220V phase voltages are by entering conversion hysteria after rectifier
The coil of relay.It is direct current that rectifier, which only plays the role of convert alternating current, does not change the logical of electric current in circuit
It is disconnected.
Conversion hysteria relay is a kind of electric control device, is when the variation of input quantity reaches regulation requirement, electrical defeated
Go out in circuit to make controlled volume that a kind of electric appliance of scheduled Spline smoothing occurs.Using conversion hysteria electromagnetic relay in the application, lead to
Electromagnet is crossed to control the break-make between movable contact and normally opened contact and normally-closed contact, so as to fulfill warning function.
Communication module is used for terminal alert in the present embodiment.Since under normal condition, zero curve and distribution become
There are 220V alternating currents between any one phase in depressor service entrance switch mains side A, B, C three-phase always, rectifier is used for 220V
Convert alternating current is direct current, and direct current is electrically accessed in the coil of conversion hysteria relay as input circuit, charges to UPS.
UPS is used for when communication module works, and is powered to communication module.It is, when distribution transformer service entrance switch electricity
When there is no continuous voltage between any one phase and zero curve in source A, B, C three-phase, conversion hysteria relay electric-loss, UPS no longer by
Charging, but stand-by power supply is used as to power to communication module.The charging modes of the preferred floating chargings of UPS in the embodiment of the present application,
Be conducive to protect the performance of UPS, extend the service life of UPS, so as to be conducive to improve the performance of entire burglar alarm.
Communication module is preferably using wireless communication module, such as 3G module, 4G modules, GPRS module in the present embodiment.
The break-make for controlling conversion hysteria relay is switched, is the master switch of conversion hysteria relay.When conversion hysteria relay
During work, switch is constantly in closed state, and bench type distribution transformer works normally, and voltage is carried on device.When needs pair
When the present apparatus carries out safeguarding etc. that other situations need normally to have a power failure to device, first open JP cabinets and disconnect the switch of the present apparatus, then
Low pressure branch switch is closed, low pressure master switch is then shut off, finally pulls open fuse switch, fuse switch falls for high pressure
Fall formula fuse.In this case, present apparatus normal power down will not alarm.
When having continuous voltage between any one phase in distribution transformer service entrance switch mains side A, B, C three-phase and zero curve
When, device can work normally, the movable contact connection normally-closed contact B2 of conversion hysteria relay.The output loop of conversion hysteria relay
For：One lead-out wire of conversion hysteria relay coil is connected to the anode of UPS via switch, conversion hysteria relay coil it is another
A lead-out wire is connected to the cathode of UPS via normally-closed contact B2.At this point, UPS is in charged state, and normally opened contact B1 is in
Off-state, communication module do not work.When any one phase and zero curve in distribution transformer service entrance switch mains side A, B, C three-phase
Between when there is no continuous voltage, conversion hysteria relay electric-loss, the movable contact of conversion hysteria relay is separated with normally-closed contact B2's
Connection, normally-closed contact B2 are off, and movable contact connection normally opened contact B1, normally opened contact B1 are in closed state.Conversion
The output loop of type relay is：One lead-out wire of conversion hysteria relay coil is connected to the anode of UPS, conversion via switch
Another lead-out wire of type relay coil is connected to communication module via normally opened contact B1, and communication module is connected to the negative of UPS
Pole.Communication module is triggered at this time, and alarm signal is sent out to terminal, meanwhile, UPS is in running order as stand-by power supply
Communication module is powered.
The application can be to dress using the phase voltage between any phase and zero curve of distribution transformer service entrance switch mains side
The characteristics of putting continued power by judging whether phase voltage is zero, and is realized using conversion hysteria relay connecting communication module and prevented
Steal alarm.When in distribution transformer, bus cable, JP cabinets, fuse switch and rack in bench type distribution transformer
When meaning one is stolen, fuse switch can be opened, so as to cause in distribution transformer service entrance switch mains side A, B, C three-phase
Any one phase and zero curve between power off, i.e., phase voltage is zero at this time, therefore can be realized to the whole of bench type distribution transformer
Body is antitheft.In addition, the device volume is small, it is set to inside JP cabinets, not to the transformation of distribution transformer structure, does not also fix
In distribution transformer, therefore, the maintenance of distribution transformer can't be brought any not convenient.And the structure letter of the device
It is single, convenient for safeguarding, be conducive to promote the use of.
Further, the device in the embodiment of the present application further includes alarm, and alarm is set on JP cabinet shells, conversion
The normally opened contact of type relay is connect respectively with communication module and alarm, and UPS is additionally operable to when alarm work, to report
Alert device power supply.That is, alarm is in parallel with communication module, when the control terminal voltage jump of conversion hysteria relay is 0V,
Conversion hysteria relay can trigger communication module and alarm simultaneously, moreover, the accumulator communication module and report into work respectively
Alert device is powered simultaneously.
Buzzer may be used in alarm.The setting of alarm can have when bench type distribution transformer occurs stolen
Effect plays the role of scene warning.
Since distribution transformer is set to open air on rack, when occurring stolen, stolen information is passed through communication by the present apparatus
Module transfer is to terminal.Terminal can be understood as distal end in the embodiment of the present application, mainly including mobile phone, tablet computer or distribution
Monitor indoor display.
Embodiment two
Referring to Fig. 2, Fig. 2 is another bench type burglar alarm device of distribution transformer provided by the embodiments of the present application
Electrical block diagram.
As shown in Figure 2, bench type burglar alarm device of distribution transformer mainly includes AC relay, electric power storage in the application
Pond and communication module three parts.Wherein, AC relay coil connection zero curve and distribution transformer service entrance switch mains side A,
B, any one phase in C three-phases, AC relay are used for when arbitrary in distribution transformer service entrance switch mains side A, B, C three-phase
When having the continuous voltage to flow through coil between one phase and zero curve, movable contact is disconnected with normally opened contact, when distribution transformer service entrance switch
When not having continuous voltage between any one phase and zero curve in mains side A, B, C three-phase, movable contact is closed with normally opened contact, triggering
Communication module.Communication module is used for terminal alert, and accumulator is used for when communication module works, to communication module
Power supply.
The input circuit of AC relay is by the coil of AC relay, zero curve and distribution transformer service entrance switch mains side
A, any one phase composition in B, C three-phase, any one in zero curve and distribution transformer service entrance switch mains side three-phase electricity it
Between for 220V phase voltages, which is directly entered the coil of AC relay.Bench type distribution transformer is not stolen
When, AC relay input circuit persistently charges, and movable contact is disconnected with normally opened contact in AC relay output loop, communicates mould
Block does not work；When bench type distribution transformer occurs stolen, AC relay input circuit dead electricity, AC relay exports back
Movable contact is closed with normally opened contact in road, output loop connection, and triggering communication module work, communication module sends out alarm to terminal
Information, so as to fulfill alarm.
The coil of AC relay and 220V phase voltages are formed input circuit by the application, are opened using distribution transformer inlet wire
The characteristics of phase voltage between any phase and zero curve of powered-down source can be to device continued power, by judging AC relay
Input circuit whether be persistently powered, carry out the unlatching of communication control module, so as to fulfill the purpose of burglar alarm.Due to bench type
Either component, which is stolen, in distribution transformer can all cause phase voltage to be zero, so as to cause AC relay dead electricity in the present apparatus, because
This can realize the integrated anti-theft to bench type distribution transformer.In addition, the device volume is small, critical piece is all set to JP cabinets
Inside, can't bring the maintenance of distribution transformer any not convenient, and the structure of the device is simple, makes convenient for promoting
With.
Accumulator can select 12V accumulators, 6V accumulators or 8V accumulators in the present embodiment.It is of course also possible to it selects
Other common accumulators, as long as can realize to communication module or alarm normal power supply.
Communication module is preferably using wireless communication module, such as 3G module, 4G modules, GPRS module in the present embodiment.
Further, the device in the embodiment of the present application further includes alarm, and alarm is set on JP cabinet shells, exchange
The normally opened contact of relay is connect respectively with communication module and alarm, and accumulator is additionally operable to when alarm work, to
Alarm is powered.That is, alarm is in parallel with communication module, when the control terminal voltage jump of AC relay is 0V,
AC relay can trigger communication module and alarm simultaneously, moreover, the accumulator communication module into work and alarm respectively
Device is powered simultaneously.
Buzzer may be used in alarm.The setting of alarm can have when bench type distribution transformer occurs stolen
Effect plays the role of scene warning.
Since distribution transformer is set to open air on rack, when occurring stolen, stolen information is passed through communication by the present apparatus
Module transfer is to terminal.Terminal can be understood as distal end in the embodiment of the present application, mainly including mobile phone, tablet computer or distribution
Monitor indoor display.
Embodiment three
Referring to Fig. 3 on the basis of Fig. 1 and embodiment illustrated in fig. 2, Fig. 3 is a kind of rack provided by the embodiments of the present application
The flow diagram of formula distribution transformer theft alarm method.From the figure 3, it may be seen that this method comprises the following steps：
S1：Whether held between any one phase and zero curve in detection distribution transformer service entrance switch mains side A, B, C three-phase
It is continuous to have voltage.
When in distribution transformer, bus cable, JP cabinets, fuse switch and rack in bench type distribution transformer
When meaning one is stolen, fuse switch can be opened, so as to cause in distribution transformer service entrance switch mains side A, B, C three-phase
Any one phase and zero curve between power off.Therefore, by detecting appointing in distribution transformer service entrance switch mains side A, B, C three-phase
Whether persistently have voltage to determine whether be stolen, whether can effectively judge bench type distribution transformer if anticipating between a phase and zero curve
It is stolen.It should be noted that is judged in the application has been whether continuous voltage, and if really stolen, drop type fusing
Device can be opened, at this point, can be always between any one phase and zero curve in distribution transformer service entrance switch mains side A, B, C three-phase
Power-off, is once again powered up a little while without being spaced after powering off suddenly, therefore, can be from various people using the method in the application
In bench type distribution transformer power blackout situation caused by factor, accurately to judge whether bench type distribution transformer is stolen.
S2：If so, judgement bench type distribution transformer is not stolen, otherwise, it is determined that bench type distribution transformer is stolen.
When bench type distribution transformer is stolen, step S3 is performed：Communication module is triggered by relay.
Step S3 includes two kinds of situations again：Communication module is triggered using conversion hysteria relay and is triggered using AC relay
Communication module.
The first situation, when using conversion hysteria relay triggering communication module, the control terminal of conversion hysteria relay passes through
Rectifier connects any one phase in zero curve and distribution transformer service entrance switch mains side A, B, C three-phase, conversion hysteria relay
Normally-closed contact B2 is connect with UPS, and the normally opened contact B1 of conversion hysteria relay is connect with communication module.
Switch is constantly in closed state when conversion hysteria relay works, when bench type distribution transformer is in normal work
During state, there are 220V exchanges always between any one phase in zero curve and distribution transformer service entrance switch mains side A, B, C three-phase
Electricity, at this time conversion hysteria relay be in electriferous state, normally-closed contact B2 is closed, and normally opened contact B1 is disconnected.Conversion hysteria relay
Input circuit is charged by normally-closed contact B2 to UPS, and communication module is in off-position, does not send out alarm.
When either component occurs stolen in bench type distribution transformer, distribution transformer service entrance switch mains side A, B, C
There is no continuous voltage between any one phase and zero curve in three-phase, voltage is zero in the input circuit of conversion hysteria relay, at this time
Conversion hysteria relay is in off-position, and normally-closed contact B2 is disconnected, and normally opened contact B1 is closed.UPS is no longer electrically charged, but conduct
Stand-by power supply is powered to communication module, and communication module obtains power cut-off information.
Conversion hysteria relay carries out the side of cooperation alarm with other component in bench type burglar alarm device of distribution transformer
It is elaborated in method and principle embodiment one shown in Fig. 1, details are not described herein.
The second situation, when using AC relay triggering communication module when, AC relay coil connection zero curve and
Any one phase in distribution transformer service entrance switch mains side A, B, C three-phase.When bench type distribution transformer is in normal work
During state, there are 220V exchanges always between any one phase in zero curve and distribution transformer service entrance switch mains side A, B, C three-phase
Electricity has follow current to flow through coil, the movable contact and normally opened contact of AC relay at this time in the input circuit of AC relay
It disconnects, the communication module in output loop is in off-position, does not send out alarm.
When either component occurs stolen in bench type distribution transformer, distribution transformer service entrance switch mains side A, B, C
There is no continuous voltage between any one phase and zero curve in three-phase, voltage is zero in the input circuit of AC relay, in mistake
Electricity condition, movable contact and the normally opened contact of AC relay are closed, and trigger the communication module in output loop, meanwhile, accumulator
It powers to communication module, communication module obtains power cut-off information.
The method that AC relay carries out cooperation alarm with other component in bench type burglar alarm device of distribution transformer
It is elaborated in the embodiment two shown in Fig. 2 with principle, details are not described herein.
After communication module is triggered, step S4 is performed：Power cut-off information is transmitted to terminal by communication module.
Further, in order to strengthen live warning, anti-theft effect is further improved, in the present embodiment, when bench type distribution
When transformer is stolen, conversion hysteria relay also triggers alarm.
Further, the bench type distribution transformer in the embodiment of the present application includes distribution transformer, bus cable, JP
Cabinet, fuse switch and rack.Wherein JP cabinets, distribution transformer, fuse switch are in turn secured to platform from the bottom up
On frame, connected between JP cabinets and distribution transformer by bus cable, pass through electricity between distribution transformer and fuse switch
Cable connects.
JP cabinets are also known as JP comprehensive distribution boxes, are that a kind of electric energy that integrates is distributed, metering, protection, controlled, reactive-load compensation
Novel integrated control cabinet is typically mounted on the underface of distribution rack transformer.
When the either component in distribution transformer, bus cable, JP cabinets or fuse switch is stolen, distribution transformer
Voltage is continuously zero between any one phase and zero curve in service entrance switch mains side A, B, C three-phase.
In the present embodiment bench type distribution transformer theft alarm principle in Fig. 1 and embodiment shown in Fig. 2 in detail
Description, between three can mutual reference, details are not described herein.
The above is the optional embodiment of the application, for those skilled in the art,
Under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also regarded as this Shen
Protection domain please.
Claims (10)
1. a kind of bench type burglar alarm device of distribution transformer, it is characterized in that, described device is set to inside JP cabinets, the dress
Put including：Rectifier, conversion hysteria relay, switch, UPS and communication module, the control terminal of the conversion hysteria relay pass through whole
Flow any one phase in device connection zero curve and distribution transformer service entrance switch mains side A, B, C three-phase, the conversion hysteria relay
Normally-closed contact connect with UPS, the normally opened contact of the conversion hysteria relay is connect with communication module；
The conversion hysteria relay, for working as any one phase and zero in distribution transformer service entrance switch mains side A, B, C three-phase
When having continuous voltage between line, charge to UPS, any one phase in distribution transformer service entrance switch mains side A, B, C three-phase
When there is no continuous voltage between zero curve, communication module is triggered；
The communication module is used for terminal alert, the break-make switched for controlling conversion hysteria relay, institute
UPS is stated for when communication module works, powering to communication module.
2. a kind of bench type burglar alarm device of distribution transformer as described in claim 1, it is characterized in that, described device is also wrapped
Include the alarm being set on JP cabinet shells, the normally opened contact of the conversion hysteria relay respectively with communication module and alarm
Connection, and the UPS is additionally operable to when alarm work, is powered to alarm.
3. a kind of bench type burglar alarm device of distribution transformer as described in claim 1, it is characterized in that, the conversion hysteria after
Electric appliance is conversion hysteria electromagnetic relay.
4. a kind of bench type burglar alarm device of distribution transformer as described in any one in claim 1-3, it is characterized in that,
The terminal includes mobile phone, tablet computer or the indoor display of distribution monitor.
5. a kind of bench type burglar alarm device of distribution transformer, it is characterized in that, described device is set to inside JP cabinets, the dress
Put including：AC relay, accumulator and communication module, the AC relay coil connection zero curve and distribution transformer into
Any one phase in wiretap mains side A, B, C three-phase；
The AC relay, for working as any one phase and zero curve in distribution transformer service entrance switch mains side A, B, C three-phase
Between when thering is the continuous voltage to flow through coil, movable contact is disconnected with normally opened contact, as distribution transformer service entrance switch mains side A, B, C
When not having continuous voltage between any one phase and zero curve in three-phase, movable contact is closed with normally opened contact, triggers communication module；
The communication module is used for terminal alert, and the accumulator is used for when communication module works, to communication
Module for power supply.
6. a kind of bench type burglar alarm device of distribution transformer as claimed in claim 5, it is characterized in that, the accumulator packet
Include 12V accumulators, 6V accumulators or 8V accumulators.
7. a kind of bench type distribution transformer theft alarm method, it is characterized in that, the method includes：
Whether persistently there is electricity between any one phase and zero curve in detection distribution transformer service entrance switch mains side A, B, C three-phase
Pressure；
If so, judgement bench type distribution transformer is not stolen, otherwise, it is determined that bench type distribution transformer is stolen；
When bench type distribution transformer is stolen, communication module is triggered by relay；
Power cut-off information is transmitted to terminal by communication module.
8. a kind of bench type distribution transformer theft alarm method as claimed in claim 7, it is characterized in that, when bench type distribution
When transformer is stolen, the relay also triggers alarm.
9. a kind of bench type distribution transformer theft alarm method as described in claim 7 or 8, it is characterized in that, described
Posture distribution transformer includes distribution transformer, bus cable, JP cabinets, fuse switch and rack, the JP cabinets, distribution
Transformer, fuse switch are in turn secured to from the bottom up on the rack, are passed through between the JP cabinets and distribution transformer
Bus cable connects, and passes through cable connection between the distribution transformer and fuse switch.
10. a kind of bench type distribution transformer theft alarm method as claimed in claim 9, it is characterized in that, the distribution becomes
When either component in depressor, bus cable, JP cabinets or fuse switch is stolen, distribution transformer service entrance switch mains side A,
B, voltage is continuously zero between any one phase in C three-phases and zero curve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810143802.6A CN108230596A (en) | 2018-02-12 | 2018-02-12 | A kind of bench type burglar alarm device of distribution transformer and method |
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| CN201810143802.6A CN108230596A (en) | 2018-02-12 | 2018-02-12 | A kind of bench type burglar alarm device of distribution transformer and method |
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| CN108230596A true CN108230596A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810143802.6A Pending CN108230596A (en) | 2018-02-12 | 2018-02-12 | A kind of bench type burglar alarm device of distribution transformer and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082459A1 (en) * | 2019-10-28 | 2021-05-06 | 北京金风科创风电设备有限公司 | High voltage switch control system and method for wind turbine |
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Application publication date: 20180629 |