CN106230267B - Movable integrated test power supply device - Google Patents
Movable integrated test power supply device Download PDFInfo
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- CN106230267B CN106230267B CN201610753964.2A CN201610753964A CN106230267B CN 106230267 B CN106230267 B CN 106230267B CN 201610753964 A CN201610753964 A CN 201610753964A CN 106230267 B CN106230267 B CN 106230267B
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- dc110v
- ac380v
- ac220v
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 claims abstract description 25
- 102220056331 rs730880069 Human genes 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 41
- 239000004065 semiconductor Substances 0.000 claims description 30
- 230000009466 transformation Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 6
- 230000037361 pathway Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 15
- 238000010276 construction Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a movable integrated test power supply device, which comprises: the output end of the lithium iron battery power supply loop is respectively connected with the input ends of the DC12V/DC110V boosting loop and the D12V/AC220V inverting loop; the output end of the DC12V/DC110V boosting loop is connected with the input end of the DC110V/AC380V inverting loop; the output end of the DC110V/AC380V inversion loop is respectively connected with the input ends of the AC380/DC220V rectification loop and the AC380V/AC100V voltage reduction loop; the output end of the DC12V/AC220V inversion loop is respectively connected with the input ends of the AC220/AC24V voltage reduction loop and the AC220V/DC48V rectification loop; the output end of each loop is connected with a contactor switch for respectively outputting DC12V, DC110V, AC220V, AC380V, DC220V, AC100V, AC24V and DC48V voltages. The invention can be applied to various application occasions and has the characteristics of flexible use, portability, safety and the like.
Description
Technical field
The invention belongs to the detection fields of power equipment, more particularly to a kind of mobile integrated test power device.
Background technique
In recent years, increasing newly with projects such as technological transformation, the repairings of profession each in substation, inbound project under construction increases, inspection
Power supply place in various stations is repaired frequently to use.The mode of maintenance power supply is obtained generally based on jump lead, there are following disadvantages
End:
On the one hand, the maintenance power box position set by standing is limited and fixes, and fails all places in covering station, uses
The cable that case interior power often requires to use long range, which draws, to be connect, and is made troubles to site operation.Especially become when construction site is located at
When the remote locations such as power station roof, enclosure wall, draw connect power supply will be very difficult.
On the other hand, the external unit in charge of construction's use and maintenance power safety accident experience of substation that history occurs is used for reference, is studied carefully
The reason for this is that drawing the long-distance cable and transformer inlet wire hypotelorism for connecing maintenance power supply, generates induced voltage and cable is caused to be put
Electricity.This explanation draws the long-distance cable for connecing maintenance power supply easily with other charging equipments generation induced voltage, generates security risk；Separately
Outside, the towing, winding of cable, damage in insulation may also can bring the person of construction site, equipment safety risk etc..
In addition, removing the use of checking experiment power supply box, generator is used as maintenance power supply also increasingly to be increased, when small-sized
The test electricity consumption such as maintenance, protection, high pressure, access generator then waste of resource is also unfavorable for environmental protection, or even can cause safety wind
Danger.
Finally, there are the risks that insulation damages, creepage protection function fail for switch in the old-fashioned maintenance power box in part, once
Short trouble occurs for construction site, will lead to the case where even station electricity consumption incoming switch overstepping is switched in case, so that station is used
The risk of electric bus loss of pressure.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of mobile integrated test power device, Ke Yishi
With various applications, and have the characteristics that using flexible, portable, safe etc..
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of mobile integrated test power device,
Include:
Lithium iron battery current supply circuit, for exporting DC12V voltage；
The output end of the lithium iron battery current supply circuit is separately connected the boosting circuit DC12V/DC110V and D12V/
The input terminal of AC220V inversion circuit；
The input terminal of the output end connection DC110V/AC380V inversion circuit in DC12V/DC110V boosting circuit；
The output end of the DC110V/AC380V inversion circuit respectively with AC380/DC220V commutating circuit, AC380V/
The input terminal of AC100V reduction voltage loop is connected；
The DC12V/AC220V inversion circuit output end respectively with AC220/AC24V reduction voltage loop, AC220V/DC48V
The input terminal of commutating circuit is connected；
Wherein, the lithium iron battery current supply circuit, DC12V/DC110V boosting circuit, D12V/AC220V inversion circuit,
DC110V/AC380V inversion circuit, AC380/DC220V commutating circuit, AC380V/AC100V reduction voltage loop, AC220/AC24V
The output end of reduction voltage loop and AC220V/DC48V commutating circuit is separately connected a contactless contactor, for exporting respectively
DC12V, DC110V, AC220V, AC380V, DC220V, AC100V, AC24V and DC48V voltage.
Preferably, the lithium iron battery current supply circuit, DC12V/DC110V boosting circuit, D12V/AC220V inversion circuit,
DC110V/AC380V inversion circuit, AC380/DC220V commutating circuit, AC380V/AC100V reduction voltage loop, AC220/AC24V
In reduction voltage loop and AC220V/DC48V commutating circuit in the connection line in two adjacent circuits, it is provided with and is manually entered
Switch or manually output switch.
Preferably, the lithium iron battery current supply circuit includes:
The battery pack being connected in series by multiple lithium iron phosphate storage batteries is in series at least one fusing in the battery pack
Device；
First contactor switch KM1 connects the battery pack both ends, for exporting the DC12V voltage.
Preferably, DC12V/DC110V boosting circuit includes:
Input terminal exports switch 1ZK by first manual and receives the DC12V electricity exported from lithium iron battery current supply circuit
Pressure；
Push-pull type is boosted DC/DC converter, by five capacitor C1-C5, six resistance R1-R6, the first metal-oxide-semiconductor V1, the
Two metal-oxide-semiconductors, V2, high frequency transformer T1 and PWM modulation circuit composition, for being high frequency square wave friendship by the DC12V voltage transformation
Galvanic electricity pressure；Wherein, first capacitor C1 and the second capacitor C2 are connected in parallel between the input terminal, the electricity of first resistor R1 and second
Resistance R2 is in parallel, and the first end of the first resistor R1 is connected with the cathode of first capacitor C1；The source electrode of the first metal-oxide-semiconductor V1
The first resistor R1 second end is connected, drain electrode is connected by third capacitor C3 with the second end of the first resistor R1,
Grid is connected by the 4th resistance R4 with the first end of 3rd resistor R3, the second end and first capacitor C1 of the 3rd resistor R3
Anode be connected；The source electrode of the second metal-oxide-semiconductor V2 connects the first resistor R2 second end, and drain electrode passes through the 4th capacitor C4
It is connected with the second end of the first resistor R1, grid is connected by the first end of the 6th resistance R6 and the 5th resistance R5, institute
The second end for stating the 5th resistance R5 is connected with the anode of first capacitor C1；The first end of the 3rd resistor R3 and the 5th resistance R5
It is connected with the second end of the first resistor R1, the grid of the first metal-oxide-semiconductor V1 and the second metal-oxide-semiconductor is all connected with PWM modulation
Circuit；The primary first input end of the high frequency transformer T1 is connected with the drain electrode of the second metal-oxide-semiconductor V2, primary second input terminal
It is connected with the drain electrode of the first metal-oxide-semiconductor V1, primary adjustable input terminal is connected with the anode of the first capacitor C1；
Commutating circuit, including four diode Q1-Q4, for being DC110V voltage by high frequency square wave ac voltage rectifier,
Wherein, the first output end for being connected to T1 grade of the high frequency transformer of the 5th capacitor C5 and the 7th resistance that mutually concatenate and
Between second output terminal, first output end of T1 grade of the high frequency transformer and the second diode Q2's and third diode Q3
Anode is connected, the second output terminal and the anode phase of first diode Q1 and the 4th diode Q4 of T1 grade of the high frequency transformer
Even；
LC uptake pathway, including the first inductance L1 and the 6th capacitor C6, to inhibit the first metal-oxide-semiconductor and the second metal-oxide-semiconductor
The due to voltage spikes of collector, the first end of the first inductance L1 connect the cathode of four diode Q1-Q4, and described first
The second end of inductance L1 connects the anode of the 6th capacitor C6, and the cathode of the 6th capacitor C6 connects the high frequency transformer
The secondary adjustable output end of T1；
Second contactor switch KM2 is connected to the both ends the 6th capacitor C6, for exporting the DC110V voltage.
Preferably, the DC110V/AC380V inversion circuit includes:
Input terminal is received by the second manual input switches 2ZK and boosts what circuit exported from DC12V/DC110V
DC110V voltage；
Step-up DC/DC converter, by the second inductance L2, third metal-oxide-semiconductor V3, the 11st diode D1, the 7th capacitor C7
Composition, boosts to the DC110V voltage；
Inversion circuit is made of six IGBT pipe BG1-BG6, six diode Q5-Q10 and a PWM modulation circuit,
For carrying out inversion processing again after to the DC110V boost in voltage, AC380V voltage is formed；
Second isolating transformer T2, primary connect the inversion circuit；
8th contactless contactor KM8 exports time that switch 3ZK connects the second isolating transformer T2 by third manually
Grade, for exporting the AC380V voltage.
Preferably, the AC380/DC220V commutating circuit includes:
Input terminal receives the AC380V voltage exported from DC110V/AC380V inversion circuit；
Three-phase bridge rectifier circuit is made of six diode Q11-Q16, for being frequency by the AC380V voltage commutation
Rate is the pulsating dc voltage of 300Hz；
DC/DC converter is made of four metal-oxide-semiconductor V4-V7, four diode Q17-Q20 and a PWM modulation circuit,
For pulsating direct current to be transformed to high-frequency ac voltage；
Filter circuit is made of the 4th inductance L4, the 16th capacitor C16, for filtering to the high-frequency ac voltage
Wave；
Single-phase bridge rectification circuit is made of third isolating transformer T3, four diode Q21-Q24, for will be through
The filtered alternating voltage of filter circuit is depressured, is rectified as DC220 voltage；
Output filter is made of the 5th inductance L5, the 17th capacitor C17, involves spike noise for filtering out sawtooth；
Third contactless contactor KM3 exports the switch 8ZK connection output filter by the 8th, for exporting manually
The filtered DC220V voltage.
Preferably, the AC380V/AC100V reduction voltage loop includes:
Input terminal is exported by the 4th manual input switches 4ZK reception from DC110V/AC380V inversion circuit
AC380V voltage；
Reduction voltage circuit is made of step-down transformer and three load resistance R6-R8, is used for the AC380V voltage step-down
To AC100V voltage；
7th contactless contactor KM7 is connected, for exporting the AC100V respectively with three load resistance R6-R8
Voltage.
Preferably, the D12V/AC220V inversion circuit includes:
Input terminal receives the DC12V electricity exported from lithium iron battery current supply circuit by the 5th manual input switches 5ZK
Pressure；
Sequentially connected step-up DC/DC converter, inversion circuit, isolating transformer, for the DC12V to be transformed to
AC220V voltage；
6th contactless contactor KM6 is connected with the isolating transformer, for exporting the AC220V voltage.
Preferably, the AC220/AC24V reduction voltage loop includes:
Input terminal is exported by the 6th manual input switches 6ZK reception from D12V/AC220V inversion circuit
AC220V voltage；
Step-down transformer, for the AC220V voltage step-down to be formed AC24V voltage；
5th contactless contactor KM5 is connected with the step-down transformer, for exporting the AC24V voltage.
Preferably, the AC220V/DC48V commutating circuit includes:
Input terminal is received by the 7th manual input switches 7ZK and is exported from D12V/AC220V inversion circuit
AC220V voltage；
Sequentially connected three-phase bridge rectification, the inversion of DC/DC converter, isolating transformer, single-phase bridge rectification and output
Filter, for being DC48V voltage by the AC220V voltage transformation；
4th contactless contactor KM4 is connected with the output filter, for exporting the DC48V voltage.
In order to solve the above-mentioned technical problem, the one side of the embodiment of the present invention provides
Implement the present invention, have it is following the utility model has the advantages that
Firstly, embodiment of the invention discloses a kind of integrated test power device of packaged type, with iron lithium electric power storage
The DC12V voltage of pond group as input voltage, may be selected output AC24V, AC100V, AC220V, AC380V, DC110V,
The comprehensive power test power device of DC48V, DC12V, DC5V, the device can meet construction most in substation, examination
It tests in the electricity consumption phase and needs；
Secondly, compensating for remote jump lead in service chamber the invention avoids the link of long range jump lead
Deficiency can shorten the on-stream time of construction operation；And the present invention is wheeled apparatus, so can be placed with job location,
No matter job location is located at the corners such as master control building roof or substation's enclosure wall, the gate of eminence, and device power supply, spirit can be used
Dexterous victory.
Moreover, lead-in cable is not needed in the present invention, with the power of alterating and direct current in station without electrical link, so as to keep away
Exempt from a series of risks such as induced voltage, wire insulation breakage ground connection, the cable winding because long range jump lead may cause,
It can prevent to lead to the accidents such as electricity consumption incoming switch overstepping generation of standing because of the use of maintenance power supply, improve field work safe
It is horizontal.
Meanwhile the present apparatus is made of 8 voltage transformation circuits, by selection be manually entered/export switch, can cut off or
Open each transformation loop power input, it is possible to reduce power loss；
Therefore the present invention can be used as the strong supplement of substation's internally-fixed service chamber power supply, overcome the weak of traditional approach
Point improves the level of security of construction site, has ensured the reliability service of station power supply；Also it may extend to normal domestic electric power row
Industry need to use the occasion of above mobile power source, therefore have a wide range of applications and promotional value.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of one embodiment frame structure signal of mobile integrated test power device provided by the invention
Figure；
Fig. 2 is a kind of one embodiment circuit structure signal of mobile integrated test power device provided by the invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, showing a kind of one embodiment of mobile integrated test power device provided by the invention
Circuit theory schematic diagram.In this embodiment, the mobile integrated test power device, comprising:
Lithium iron battery current supply circuit, for exporting DC12V voltage；
The output end of the lithium iron battery current supply circuit is separately connected the boosting circuit DC12V/DC110V and D12V/
The input terminal of AC220V inversion circuit；
The input terminal of the output end connection DC110V/AC380V inversion circuit in DC12V/DC110V boosting circuit；
The output end of the DC110V/AC380V inversion circuit respectively with AC380/DC220V commutating circuit, AC380V/
The input terminal of AC100V reduction voltage loop is connected；
The DC12V/AC220V inversion circuit output end respectively with AC220/AC24V reduction voltage loop, AC220V/DC48V
The input terminal of commutating circuit is connected；
Wherein, the lithium iron battery current supply circuit, DC12V/DC110V boosting circuit, D12V/AC220V inversion circuit,
DC110V/AC380V inversion circuit, AC380/DC220V commutating circuit, AC380V/AC100V reduction voltage loop, AC220/AC24V
The output end of reduction voltage loop and AC220V/DC48V commutating circuit is separately connected a contactless contactor, for exporting respectively
DC12V, DC110V, AC220V, AC380V, DC220V, AC100V, AC24V and DC48V voltage.
Preferably, the lithium iron battery current supply circuit, DC12V/DC110V boosting circuit, D12V/AC220V inversion circuit,
DC110V/AC380V inversion circuit, AC380/DC220V commutating circuit, AC380V/AC100V reduction voltage loop, AC220/AC24V
In reduction voltage loop and AC220V/DC48V commutating circuit in the connection line in two adjacent circuits, it is provided with and is manually entered
Switch or manually output switch.
It is following to tie the circuit diagram in Fig. 2, each circuit loop is described in detail.
Wherein, the lithium iron battery current supply circuit includes:
The battery pack being connected in series by multiple lithium iron phosphate storage batteries is in series at least one in each battery group
A fuse；
First contactor switch KM1 connects the battery pack both ends, for exporting the DC12V voltage.
Specifically, to ensure reliability, in the present embodiment, which can be by 4 section lithium iron phosphate storage battery string
Connection is 1 group, and totally 2 groups of lithium iron phosphate storage batteries are formed in parallel.Wherein, every batteries monomer rated capacity is 100Ah, voltage rating
For DC3V, output DC12V voltage can be stablized after series connection.Wherein, lithium iron phosphate storage battery group is compared with traditional lead acid batteries, energy
Amount has advantage small in size, light-weight than 4-5 times for the latter；Battery group tandem 100A fuse R1-R4, when
When exporting electric current beyond 100A, fuse blows are to protect battery group；DC12V voltage is drawn and is connected to first contactor switch
KM1 can get the 1st voltage output.
Wherein, DC12V/DC110V boosting circuit includes:
Input terminal exports switch 1ZK by first manual and receives the DC12V electricity exported from lithium iron battery current supply circuit
Pressure；
Push-pull type boosting DC/DC converter, by five capacitor C1-C5, six resistance R1-R6, the first metal-oxide-semiconductor, second
Metal-oxide-semiconductor V1, V2, high frequency transformer T1 and PWM modulation circuit composition, for being high frequency square wave friendship by the DC12V voltage transformation
Galvanic electricity pressure；Specifically, it is turned off by the alternating of switching component metal-oxide-semiconductor V1, V2, input voltage DC12V is transformed to high frequency side
Alternating current wave pressure；
Commutating circuit, including four diode Q1-Q4, for being DC110V voltage by high frequency square wave ac voltage rectifier；
LC uptake pathway, including the first inductance L1 and the 6th capacitor C6, to inhibit the first metal-oxide-semiconductor and the second metal-oxide-semiconductor
The due to voltage spikes of collector；
Second contactor switch KM2 is connected to the both ends the 6th capacitor C6, for exporting the DC110V voltage, from
And it can get the 2nd voltage output.
Wherein, the DC110V/AC380V inversion circuit includes:
Input terminal is received by the second manual input switches 2ZK and boosts what circuit exported from DC12V/DC110V
DC110V voltage；
Step-up DC/DC converter, by the second inductance L2, third metal-oxide-semiconductor V3, the 11st diode D1, the 7th capacitor C7
Composition, boosts to the DC110V voltage；
Inversion circuit is made of six IGBT pipe BG1-BG6, six diode Q5-Q10 and a PWM modulation circuit,
For carrying out inversion processing again after to the DC110V boost in voltage, AC380V voltage is formed；
Second isolating transformer T2, primary connect the inversion circuit；
8th contactless contactor KM8 exports time that switch 3ZK connects the second isolating transformer T2 by third manually
Grade, for exporting the AC380V voltage, to obtain the 8th voltage output；The output-parallel in the circuit, which draws, simultaneously is connected to
AC380/DC220V commutating circuit, AC 380V/AC100V reduction voltage loop are as voltage input.
Wherein, the AC380/DC220V commutating circuit includes:
Input terminal receives the AC380V voltage exported from DC110V/AC380V inversion circuit；
Three-phase bridge rectifier circuit is made of six diode Q11-Q16, for being frequency by the AC380V voltage commutation
Rate is the pulsating dc voltage of 300Hz；
DC/DC converter is made of four metal-oxide-semiconductor V4-V7, four diode Q17-Q20 and a PWM modulation circuit,
For pulsating direct current to be transformed to high-frequency ac voltage；
Filter circuit is made of the 4th inductance L4, the 16th capacitor C16, for filtering to the high-frequency ac voltage
Wave；
Single-phase bridge rectification circuit is made of third isolating transformer T3, four diode Q21-Q24, for will be through
The filtered alternating voltage of filter circuit is depressured, is rectified as DC220 voltage；
Output filter is made of the 5th inductance L5, the 17th capacitor C17, involves spike noise for filtering out sawtooth；
Third contactless contactor KM3 exports the switch 8ZK connection output filter by the 8th, for exporting manually
The filtered DC220V voltage can get the 3rd voltage output.
Wherein, the AC380V/AC100V reduction voltage loop includes:
Input terminal is exported by the 4th manual input switches 4ZK reception from DC110V/AC380V inversion circuit
AC380V voltage；
Reduction voltage circuit is made of step-down transformer and three load resistance R6-R8, is used for the AC380V voltage step-down
To AC100V voltage；
7th contactless contactor KM7 is connected, for exporting the AC100V respectively with three load resistance R6-R8
Voltage can get the 7th voltage output.
Preferably, the D12V/AC220V inversion circuit includes:
Input terminal receives the DC12V electricity exported from lithium iron battery current supply circuit by the 5th manual input switches 5ZK
Pressure；
Sequentially connected step-up DC/DC converter, inversion circuit, isolating transformer, for the DC12V to be transformed to
AC220V voltage；Specifically, the step-up DC in the circuit/DC converter, inversion circuit, isolating transformer circuit structure with
Each structure in the DC110V/AC380V inversion circuit of foregoing description is consistent, is only parameter difference, so it will not be repeated；
6th contactless contactor KM6 is connected with the isolating transformer, for exporting the AC220V voltage, to obtain
Obtain the output of the 6th tunnel.Parallel connection simultaneously draws that be connected to AC220/AC24V reduction voltage loop, AC220V/DC48V commutating circuit defeated as voltage
Enter.
Wherein, the AC220/AC24V reduction voltage loop includes:
Input terminal is exported by the 6th manual input switches 6ZK reception from D12V/AC220V inversion circuit
AC220V voltage；
Step-down transformer, for the AC220V voltage step-down to be formed AC24V voltage；
5th contactless contactor KM5 is connected with the step-down transformer, for exporting the AC24V voltage, to obtain
5th voltage output.
Wherein, the AC220V/DC48V commutating circuit includes:
Input terminal is received by the 7th manual input switches 7ZK and is exported from D12V/AC220V inversion circuit
AC220V voltage；
Sequentially connected three-phase bridge rectification, the inversion of DC/DC converter, isolating transformer, single-phase bridge rectification and output
Filter, for being DC48V voltage by the AC220V voltage transformation；Specifically, the three-phase bridge rectification in this circuit, DC/
The inversion of DC converter, specific structure and the DC110V/AC380V inversion of isolating transformer, single-phase bridge rectification and output filter
Structure in circuit is consistent, is only parameter difference, so it will not be repeated；
4th contactless contactor KM4 is connected with the output filter, for exporting the DC48V voltage, so as to
To obtain the 4th voltage output.
Implement the present invention, have it is following the utility model has the advantages that
Firstly, embodiment of the invention discloses a kind of integrated test power device of packaged type, with iron lithium electric power storage
The DC12V voltage of pond group as input voltage, may be selected output AC24V, AC100V, AC220V, AC380V, DC110V,
The comprehensive power test power device of DC48V, DC12V, DC5V, the device can meet construction most in substation, examination
It tests in the electricity consumption phase and needs；
Secondly, compensating for remote jump lead in service chamber the invention avoids the link of long range jump lead
Deficiency can shorten the on-stream time of construction operation；And the present invention is wheeled apparatus, so can be placed with job location,
No matter job location is located at the corners such as master control building roof or substation's enclosure wall, the gate of eminence, and device power supply, spirit can be used
Dexterous victory.
Moreover, lead-in cable is not needed in the present invention, with the power of alterating and direct current in station without electrical link, so as to keep away
Exempt from a series of risks such as induced voltage, wire insulation breakage ground connection, the cable winding because long range jump lead may cause,
It can prevent to lead to the accidents such as electricity consumption incoming switch overstepping generation of standing because of the use of maintenance power supply, improve field work safe
It is horizontal.
Meanwhile the present apparatus is made of 8 voltage transformation circuits, provides the conduct of DC12V voltage by lithium iron battery power supply unit
Initial voltage；Since in the station power load of substation now, most DC load voltage class are DC110V, AC load
For AC380V, therefore select the boosting circuit DC12V/DC110V as the first transformation loop to export DC110V as the first output electricity
Pressure, to supply PWM modulation circuit power in most DC loads and all circuits of the present apparatus；.Select DC110V/AC380V
Inversion circuit can satisfy the demand of most AC loads as the second output voltage；It is not needing to meet other voltages
In the case where equal stage loads, third can be disconnected and export switch 3ZK manually to cut off other transformation loop power inputs, to reduce function
Rate loss；
Therefore the present invention can be used as the strong supplement of substation's internally-fixed service chamber power supply, overcome the weak of traditional approach
Point improves the level of security of construction site, has ensured the reliability service of station power supply；Also it may extend to normal domestic electric power row
Industry need to use the occasion of above mobile power source, therefore have a wide range of applications and promotional value.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (8)
1. a kind of mobile integrated test power device characterized by comprising
Lithium iron battery current supply circuit, for exporting DC12V voltage；
The output end of the lithium iron battery current supply circuit boosts with DC12V/DC110V circuit and D12V/AC220V inversion respectively
The input terminal in circuit is connected；
The output end in DC12V/DC110V boosting circuit is connected with the input terminal of DC110V/AC380V inversion circuit；
The output end of the DC110V/AC380V inversion circuit respectively with AC380/DC220V commutating circuit, AC380V/AC100V
The input terminal of reduction voltage loop is connected；
The DC12V/AC220V inversion circuit output end is rectified with AC220/AC24V reduction voltage loop, AC220V/DC48V respectively
The input terminal in circuit is connected；
Wherein, the lithium iron battery current supply circuit, DC12V/DC110V boosting circuit, D12V/AC220V inversion circuit,
DC110V/AC380V inversion circuit, AC380/DC220V commutating circuit, AC380V/AC100V reduction voltage loop, AC220/AC24V
The output end of reduction voltage loop and AC220V/DC48V commutating circuit is connected separately with a contactless contactor, for exporting respectively
DC12V, DC110V, AC220V, AC380V, DC220V, AC100V, AC24V and DC48V voltage；
The lithium iron battery current supply circuit, DC12V/DC110V boosting circuit, D12V/AC220V inversion circuit, DC110V/
AC380V inversion circuit, AC380/DC220V commutating circuit, AC380V/AC100V reduction voltage loop, AC220/AC24V reduction voltage loop
And manual input switches or hand are provided in the connection line in adjacent two circuits in AC220V/DC48V commutating circuit
Dynamic output switch；
DC12V/DC110V boosting circuit includes:
Input terminal exports switch (1ZK) by first manual and receives the DC12V voltage exported from lithium iron battery current supply circuit；
Push-pull type boost DC/DC converter, by five capacitors (C1-C5), six resistance (R1-R6), the first metal-oxide-semiconductor (V1),
Second metal-oxide-semiconductor (V2), high frequency transformer (T1) and PWM modulation circuit composition, for being high frequency side by the DC12V voltage transformation
Alternating current wave pressure；Wherein, first capacitor (C1) and the second capacitor (C2) are connected in parallel between the input terminal, first resistor
(R1) it is in parallel with second resistance (R2), and the first end of the first resistor (R1) is connected with the cathode of first capacitor (C1)；
The source electrode of first metal-oxide-semiconductor (V1) connects first resistor (R1) second end, and drain electrode passes through third capacitor (C3) and institute
The second end for stating first resistor (R1) is connected, and grid is connected by the 4th resistance (R4) with the first end of 3rd resistor (R3),
The second end of the 3rd resistor (R3) is connected with the anode of first capacitor (C1)；The source electrode of second metal-oxide-semiconductor (V2) connects
First resistor (R2) second end, drain electrode are connected by the 4th capacitor (C4) with the second end of the first resistor (R1),
Its grid is connected by the 6th resistance (R6) with the first end of the 5th resistance (R5), the second end of the 5th resistance (R5) and the
The anode of one capacitor (C1) is connected；The first end of the 3rd resistor (R3) and the 5th resistance (R5) with the first resistor
(R1) second end is connected, and the grid of first metal-oxide-semiconductor (V1) and the second metal-oxide-semiconductor is all connected with PWM modulation circuit；The high frequency
The primary first input end of transformer (T1) is connected with the drain electrode of the second metal-oxide-semiconductor (V2), primary second input terminal and the first MOS
The drain electrode for managing (V1) is connected, and primary adjustable input terminal is connected with the anode of the first capacitor (C1)；
Commutating circuit, including four diodes (Q1-Q4), for being DC110V voltage by high frequency square wave ac voltage rectifier,
In, the first output end for being connected to the high frequency transformer (T1) secondary of the 5th capacitor (C5) and the 7th resistance mutually concatenated
Between second output terminal, the first output end and the second diode (Q2) of high frequency transformer (T1) secondary and the three or two pole
The anode for managing (Q3) is connected, the second output terminal of high frequency transformer (T1) secondary and first diode (Q1) and the four or two pole
The anode for managing (Q4) is connected；
LC uptake pathway, including the first inductance (L1) and the 6th capacitor (C6), to inhibit the first metal-oxide-semiconductor and the second metal-oxide-semiconductor
The due to voltage spikes of collector, the cathode of first end connection four diodes (Q1-Q4) of first inductance (L1), first
The second end of inductance (L1) connects the anode of the 6th capacitor (C6), and the cathode of the 6th capacitor (C6) connects the high frequency
The secondary adjustable output end of transformer (T1)；
Second contactor switchs (KM2), the 6th capacitor (C6) both ends is connected to, for exporting the DC110V voltage.
2. mobile integrated test power device as described in claim 1, which is characterized in that the lithium iron battery is powered back
Road includes:
The battery pack being connected in series by multiple lithium iron phosphate storage batteries is in series at least one fuse in the battery pack；
First contactor switchs (KM1), the battery pack both ends is connected, for exporting the DC12V voltage.
3. mobile integrated test power device as claimed in claim 2, which is characterized in that the DC110V/AC380V
Inversion circuit includes:
Input terminal receives the DC110V from DC12V/DC110V boosting circuit output by the second manual input switches (2ZK)
Voltage；
Step-up DC/DC converter, by the second inductance (L2), third metal-oxide-semiconductor (V3), the 11st diode (D1), the 7th capacitor
(C7) it forms, boosts to the DC110V voltage；
Inversion circuit is made of six IGBT pipes (BG1-BG6), six diodes (Q5-Q10) and a PWM modulation circuit,
For carrying out inversion processing again after to the DC110V boost in voltage, AC380V voltage is formed；
Second isolating transformer (T2), primary connect the inversion circuit；
8th contactless contactor (KM8) is exported switch (3ZK) manually by third and connects second isolating transformer (T2)
Secondary, for exporting the AC380V voltage.
4. mobile integrated test power device as claimed in claim 3, which is characterized in that the AC380/DC220V is whole
Flowing back to road includes:
Input terminal receives the AC380V voltage exported from DC110V/AC380V inversion circuit；
Three-phase bridge rectifier circuit is made of six diodes (Q11-Q16), for being frequency by the AC380V voltage commutation
For the pulsating dc voltage of 300Hz；
DC/DC converter is made of four metal-oxide-semiconductors (V4-V7), four diodes (Q17-Q20) and a PWM modulation circuit,
For pulsating direct current to be transformed to high-frequency ac voltage；
Filter circuit is made of the 4th inductance (L4), the 16th capacitor (C16), for filtering to the high-frequency ac voltage
Wave；
Single-phase bridge rectification circuit is made of third isolating transformer (T3), four diodes (Q21-Q24), for will be through
The filtered alternating voltage of filter circuit is depressured, is rectified as DC220 voltage；
Output filter, is made of the 5th inductance (L5), the 17th capacitor (C17), involves spike noise for filtering out sawtooth；
Third contactless contactor (KM3) exports switch (8ZK) by the 8th and connects the output filter, manually for exporting
The filtered DC220V voltage.
5. mobile integrated test power device as claimed in claim 3, which is characterized in that the AC380V/AC100V
Reduction voltage loop includes:
Input terminal receives the AC380V exported from DC110V/AC380V inversion circuit by the 4th manual input switches (4ZK)
Voltage；
Reduction voltage circuit is made of step-down transformer and three load resistances (R6-R8), is used for the AC380V voltage step-down extremely
AC100V voltage；
7th contactless contactor (KM7) is connected, for exporting the AC100V respectively with three load resistances (R6-R8)
Voltage.
6. mobile integrated test power device as claimed in claim 2, which is characterized in that the D12V/AC220V is inverse
Becoming road again includes:
Input terminal receives the DC12V voltage exported from lithium iron battery current supply circuit by the 5th manual input switches (5ZK)；
Sequentially connected step-up DC/DC converter, inversion circuit, isolating transformer, for the DC12V to be transformed to
AC220V voltage；
6th contactless contactor (KM6), is connected with the isolating transformer, for exporting the AC220V voltage.
7. mobile integrated test power device as claimed in claim 4, which is characterized in that the AC220/AC24V drop
Pushing back road includes:
Input terminal is exported by the reception of the 6th manual input switches (6ZK) from D12V/AC220V inversion circuit
AC220V voltage；
Step-down transformer, for the AC220V voltage step-down to be formed AC24V voltage；
5th contactless contactor (KM5), is connected with the step-down transformer, for exporting the AC24V voltage.
8. mobile integrated test power device as claimed in claim 4, which is characterized in that the AC220V/DC48V is whole
Flowing back to road includes:
Input terminal is received by the 7th manual input switches (7ZK) and comes from the exported AC220V of D12V/AC220V inversion circuit
Voltage；
Sequentially connected three-phase bridge rectification, the inversion of DC/DC converter, isolating transformer, single-phase bridge rectification and output filtering
Device, for being DC48V voltage by the AC220V voltage transformation；
4th contactless contactor (KM4), is connected with the output filter, for exporting the DC48V voltage.
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