CN204967354U - Communication is with removing emergency power source with voltage self -adaptation function - Google Patents
Communication is with removing emergency power source with voltage self -adaptation function Download PDFInfo
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- CN204967354U CN204967354U CN201520724458.1U CN201520724458U CN204967354U CN 204967354 U CN204967354 U CN 204967354U CN 201520724458 U CN201520724458 U CN 201520724458U CN 204967354 U CN204967354 U CN 204967354U
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Abstract
The utility model discloses a communication is with removing emergency power source with voltage self -adaptation function, including charging module, storage battery, switch, direct current voltage stabilizing module and monitor wafer, the positive negative pole of output of the module of charging, storage battery's positive negative pole and direct current voltage stabilizing module's the positive negative pole of input is parallelly connected mutually, and the switch is established ties between storage battery and direct current voltage stabilizing module, constitutes the major loop, the monitor wafer passes through communication line and links to each other with direct current voltage stabilizing module, constitutes the control subsystem. The utility model discloses utilize monitor wafer control direct current voltage stabilizing module's output voltage, make it be close with the current operating voltage of former system when inserting original communication electrical power generating system and equal to the access of effectively avoiding big circulation appearing between two sets of batteries and leading to is struck sparks and is strikeed, and it charges each other to avoid causes the loss of unnecessary electric energy. The utility model discloses a can insert the emergency power source extension power supply time of system under the condition that need not carry out any change and operation to original power, it is easy and simple to handle reliable.
Description
Technical field
The utility model relates to communication moving emergency power technology, particularly relates to a kind of communication moving emergency power supply with voltage adaptive function.
Background technology
For avoiding causing communication network to exit service because of unexpected long-time power failure of civil power, network maintenance staff needs before battery discharging terminates for system provides stand-by power supply.For larger communication office station, can stationary diesel electric generating plants be equipped with, but for Miniature communication network node ubiquitous in modern communication networks, usually can only adopt portable diesel generating set.Along with communication network development scale constantly expands, office's station quantity rapid development.
The development construction of 4G network in addition, a large amount of offices station needs the power reguirements simultaneously having both many covers office station equipments such as fixed network speech data, wireless 2G/3G and 4G, and the capacity of backup storage battery at each innings of station adds than originally much.In office's station quantity with under battery capacity be all great-jump-forward growth situation, if continue to configure storage battery in a traditional way, not only greatly increase office to stand construction cost, but also a large amount of hydro power generation demand will be increased.
And office's station generating disturbs residents and becomes common carrier and suffer the one of the main reasons that resident complains, hydro power generation needs manually on duty, and cost of labor is high; Oil machine is an entirety, cannot convey in section, all cannot be transported to scene in a lot of base stations.So a kind of green noiseless does not disturb residents, the emergent portable power source of low running cost and easily carrying is the product that current network guarantee is badly in need of.Along with the technology of lithium iron battery is more and more ripe; use more and more extensive; utilize lithium iron battery in support power supply be a feasible scheme, but lithium iron battery easily produces overcurrent protection when accessing existing system and causes working, and how to address this problem is the problem that must consider.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of communication moving emergency power supply with voltage adaptive function, and movement is convenient, noise is little, and simple to operate, reduces use cost.
In order to achieve the above object, the technical solution adopted in the utility model is:
There is a communication moving emergency power supply for voltage adaptive function, comprise charging module, batteries, switch, DC voltage-stabilizing module and monitor board;
The input both positive and negative polarity of the output positive and negative charge of charging module, the both positive and negative polarity of batteries and DC voltage-stabilizing module is in parallel mutually, and switch series is associated between batteries and DC voltage-stabilizing module, forms major loop;
Monitor board is connected with DC voltage-stabilizing module by communication line, forms control subsystem.
As preferred embodiment of the present utility model, between the cathode output end of DC voltage-stabilizing module described in the utility model and cathode output end, a reverse-connection protection circuit is set.
Reverse-connection protection circuit described in the utility model is realized by following two kinds of modes, but the utility model is not limited to this, and any other structure that can realize reverse-connection protection circuit is all in the utility model protection range.
The first reverse-connection protection circuit implementation is: reverse-connection protection circuit described in the utility model is made up of diode and relay; Between the cathode output end that the coil of described relay is connected to DC voltage-stabilizing module and cathode output end, form current supply circuit; Diode series is between the coil and the cathode output end of DC voltage-stabilizing module of relay, and the anode of diode connects the cathode output end of DC voltage-stabilizing module, and negative electrode connects the coil of relay; The contact of relay is arranged between the cathode output end of DC voltage-stabilizing module and the coil power supply loop output of relay.
The second reverse-connection protection circuit implementation is: reverse-connection protection circuit described in the utility model is made up of relay, diode and normally closed relay; Between the cathode output end that the coil of described normally closed relay is connected to DC voltage-stabilizing module and cathode output end, form current supply circuit, Diode series is between the coil and the cathode output end of DC voltage-stabilizing module of normally closed relay, the negative electrode of diode connects the cathode output end of DC voltage-stabilizing module, and anode connects the coil of normally closed relay; The contact of relay is arranged between the cathode output end of DC voltage-stabilizing module and the coil power supply loop output of normally closed relay; Between the electrode input end that the contact of normally closed relay and the coil of relay are connected to DC voltage-stabilizing module and negative input.
As preferred embodiment of the present utility model, relay described in the utility model is the one in power relay, direct current relay or controllable high-power electronic switch, and wherein controllable high-power electronic switch is the circuit adopting the compositions such as metal-oxide-semiconductor, IGBT, static relay.
As preferred embodiment of the present utility model, batteries described in the utility model is Li-ion batteries piles, comprises the lithium battery that many groups are in parallel.
The utility model batteries can be arranged in a subrack as required or be divided in multiple subrack, and certain the utility model is not limited to this, also can with other structures with being placed in a subrack.
Batteries arranges mode one: batteries described in the utility model sets up multiple subrack separately, and described subrack is installed in the cabinet of band moving runner, arranges a lithium battery in each subrack.
Batteries arranges mode two: batteries described in the utility model is arranged in a subrack, and many group lithium batteries are arranged in parallel in subrack, and described subrack is installed in the cabinet of band moving runner.
As preferred embodiment of the present utility model, charging module described in the utility model, switch, DC voltage-stabilizing module and monitor board are arranged in same subrack, and subrack is installed in the cabinet of band moving runner.
As preferred embodiment of the present utility model, monitor board described in the utility model is made up of single-chip microcomputer and digital line.Such as single-chip microcomputer model can be STM32F103C8T6.
As preferred embodiment of the present utility model, monitor board described in the utility model and DC voltage-stabilizing module are arranged on two pieces of circuit boards respectively, are connected each other by digital line.
As preferred embodiment of the present utility model, monitor board described in the utility model and DC voltage-stabilizing module installation, on same circuit board, are connected by digital line each other.
Compared with prior art, the beneficial effects of the utility model are:
The first, monitor board is utilized to control the output voltage of DC voltage-stabilizing module, make its access original power supply system for communications time with original system present operating voltage close to equal, thus the access effectively avoided occurring large circulation between two cover batteries and cause sparking and impact, avoiding charging mutually to cause unnecessary energy loss;
The second, owing to there is DC voltage-stabilizing module, the batteries of the batteries in emergency power supply and original system is kept apart, the impact preventing original batteries to be formed the reverse charging of the batteries in emergency power supply, it also avoid the energy loss that charging mutually produces;
Keeping stable by automatically heightening output voltage gradually to having during output current when three, starting, avoiding because high voltage difference connecting system to carry out the impact of large current charge generation to original battery;
Four, owing to having the access of the DC voltage-stabilizing module of automatic control function, onsite application is very simple, only need to carefully connect the wire, Closing Switch, the system power supply time can be extended when not needing to access when making any change to original power supply and operate emergency power supply, considerably reduce the requirement to operating personnel, improve reliability and adaptability.
Accompanying drawing explanation
Fig. 1 is overall structure embodiment one schematic diagram of the present utility model;
Fig. 2 is overall structure embodiment two schematic diagram of the present utility model.
Embodiment
Purport of the present utility model is to overcome the deficiencies in the prior art, provides a kind of communication moving emergency power supply with voltage adaptive function, simple to operate, requires low to user of service.Be described in detail, to be interpretated more in-depth technical characteristic of the present utility model and advantage with reference to accompanying drawing below in conjunction with embodiment.
As shown in Figure 1, a kind of communication moving emergency power supply with voltage adaptive function, comprises charging module 1, batteries 2, switch 3, DC voltage-stabilizing module 4 and monitor board 5 to overall structure schematic diagram of the present utility model.The input both positive and negative polarity of the output positive and negative charge of charging module 1, the both positive and negative polarity of batteries 2 and DC voltage-stabilizing module 4 is in parallel mutually, and switch 3 is connected between batteries 2 and DC voltage-stabilizing module 4, forms major loop.Charging module can adopt existing charging circuit, and DC voltage-stabilizing module can adopt existing direct current regulation circuit.Monitor board 5 is connected with DC voltage-stabilizing module 4 by communication line, form control subsystem, the power supply system for communications of discharging is connected to and after Closing Switch at output, the output voltage controlling described DC voltage-stabilizing module 4 slowly rises, when output voltage and original battery pack are substantially equal, namely stop raising output voltage and keeping, and the storage battery of original system is because continuing to discharge and voltage drop, its discharging current transfers to described DC voltage-stabilizing module gradually, thus replace the storage battery in original communication power supply to continue as communication equipment powering, avoid communication equipment to shut down and exit service.
Reverse-connection protection circuit described in the utility model is realized by following two kinds of modes, but the utility model is not limited to this, and any other structure that can realize reverse-connection protection circuit is all in the utility model protection range.
The first reverse-connection protection circuit implementation is as shown in Figure 1: reverse-connection protection circuit described in the utility model is made up of diode 7 and relay 6; Between the cathode output end that the coil of described relay 6 is connected to DC voltage-stabilizing module 4 and cathode output end, form current supply circuit; Diode 7 is series between the coil of relay 6 and the cathode output end of DC voltage-stabilizing module 4, and the negative electrode of diode 7 connects the cathode output end of DC voltage-stabilizing module 4, and anode connects the coil of relay 6; The contact of relay 6 is arranged between the cathode output end of DC voltage-stabilizing module 4 and the coil power supply loop output of relay 6.Unlike the prior art, the output of DC voltage-stabilizing module 4 is connected a relay 6, and is powered by outlet side by diode 7, and form and export reverse-connection protection circuit, when outlet side error-polarity connection, relay can not close, and avoids the harm that reversal connection causes.Preferably, relay 6 described in the utility model is the relays on logical meaning, according to the size of current that target is arranged during enforcement, adopts the one in power relay, direct current relay or controllable high-power electronic switch.
The second reverse-connection protection circuit implementation is as shown in Figure 2: the anti-reverse protected effect of Fig. 2 is better than the anti-reverse effect of Fig. 1, and reverse-connection protection circuit described in the utility model is made up of relay 6, diode 7 and normally closed relay 8; Between the cathode output end that the coil of described normally closed relay 8 is connected to DC voltage-stabilizing module 4 and cathode output end, form current supply circuit, diode 7 is series between the coil of normally closed relay 8 and the cathode output end of DC voltage-stabilizing module 4, the anode of diode 7 connects the cathode output end of DC voltage-stabilizing module 4, and negative electrode connects the coil of normally closed relay 8; The contact of relay 6 is arranged between the cathode output end of DC voltage-stabilizing module 4 and the coil power supply loop output of normally closed relay 8; Between the electrode input end that the contact of normally closed relay 8 and the coil of relay 6 are connected to DC voltage-stabilizing module 4 and negative input.The operation principle of the present embodiment is: access a normally closed relay 8 at output, output is received in the coil power supply loop of this normally closed relay 8, coil current supply circuit seals in a diode 7, this diode 7 is reverse diode, in the normal situation of output, normally closed relay 8 is failure to actuate, and relay 6 coil obtains electric, exports and connects; But export and connect inverse time, normally closed relay 8 action, relay 6 coil losing electricity, export and disconnect, play the function of anti-reverse protection.Relay 6 can adopt contactor to realize in addition.
For the ease of carrying, batteries 2 described in the utility model is Li-ion batteries piles, comprises the lithium battery that many groups are in parallel, with reduced volume, and weight reduction.The utility model batteries replaces diesel generating set as emergency power supply, overcome noise of diesel motor set large, poor stability, the shortcoming that maintenance workload is large, ring current shock and energy loss simultaneously by adopting the DC voltage-stabilizing module batteries of isolating in original batteries and emergency power supply to avoid two cover battery systems.
In the utility model, in order to accurately regulate the output voltage of described emergency power supply, guarantee, as far as possible not to former charge in batteries, increases output voltage gradually after should adopting start and monitors output current until there is the method stablized and stop rise voltage also to keep when can measure output current.
Batteries 2 described in the utility model can be set to two kinds of modes according to the size of batteries volume, sets up multiple subrack separately or is jointly arranged in a subrack.
Execution mode one: conveniently carry, batteries 2 described in the utility model sets up multiple subrack separately, and described subrack is installed in the cabinet of band moving runner, arranges a lithium battery in each subrack.
Execution mode two: when the small volume of batteries 2, in order to save cost and easy to operate, batteries 2 described in the utility model is arranged in a subrack, and many group lithium batteries are arranged in parallel in subrack, and described subrack is installed in the cabinet of band moving runner.
As preferred embodiment of the present utility model, charging module 1 described in the utility model, switch 3, DC voltage-stabilizing module 4 and monitor board 5 are arranged in same subrack, and subrack is installed in the cabinet of band moving runner, convenient carrying.
As preferred embodiment of the present utility model, in order to judge that the output voltage of DC voltage-stabilizing module 4 and the battery tension in original communication power supply are close to equal, monitor board 5 can monitor the output current of DC voltage-stabilizing module 4, when its outputting current steadily be greater than minimum measurable magnitude time, namely think voltage close to equal.Monitor board 5 of the present invention is made up of single-chip microcomputer and digital line, and such as, single-chip microcomputer is STM32F103C8T6 chip, certainly, can be also other chips, as long as realize the chip of said function.Described monitor board 5 comprises single-chip microcomputer and necessary peripheral circuit, by digital line and DC voltage-stabilizing model calling, the output voltage electric current that can obtain DC voltage-stabilizing module 4 exports, and can regulate the output voltage of DC voltage-stabilizing module 4, digital line is the digital line of current comparative maturity.
Preferably, monitor board 5 described in the utility model is arranged on two pieces of circuit boards respectively with DC voltage-stabilizing module 4, is connected each other by digital line.
In addition, monitor board 5 described in the utility model also can be arranged on same circuit board with DC voltage-stabilizing module 4, is connected each other by digital line.
Carry out clear, complete description by the technical scheme in above embodiment to the utility model, obviously described embodiment is the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Claims (10)
1. there is a communication moving emergency power supply for voltage adaptive function, it is characterized in that: comprise charging module (1), batteries (2), switch (3), DC voltage-stabilizing module (4) and monitor board (5);
The input both positive and negative polarity of the output positive and negative charge of charging module (1), the both positive and negative polarity of batteries (2) and DC voltage-stabilizing module (4) is in parallel mutually, and switch (3) is connected between batteries (2) and DC voltage-stabilizing module (4), forms major loop;
Monitor board (5) is connected with DC voltage-stabilizing module (4) by communication line, forms control subsystem.
2. the communication moving emergency power supply with voltage adaptive function according to claim 1, is characterized in that: arrange a reverse-connection protection circuit between the cathode output end of described DC voltage-stabilizing module (4) and cathode output end.
3. the communication moving emergency power supply with voltage adaptive function according to claim 2, is characterized in that: described reverse-connection protection circuit is made up of diode (7) and relay (6); Between the cathode output end that the coil of described relay (6) is connected to DC voltage-stabilizing module (4) and cathode output end, form current supply circuit; Diode (7) is series between the coil of relay (6) and the cathode output end of DC voltage-stabilizing module (4), and the anode of diode (7) connects the cathode output end of DC voltage-stabilizing module (4), and negative electrode connects the coil of relay (6); The contact of relay (6) is arranged between the cathode output end of DC voltage-stabilizing module (4) and the coil power supply loop output of relay (6).
4. the communication moving emergency power supply with voltage adaptive function according to claim 2, is characterized in that: described reverse-connection protection circuit is made up of relay (6), diode (7) and normally closed relay (8); Between the cathode output end that the coil of described normally closed relay (8) is connected to DC voltage-stabilizing module (4) and cathode output end, form current supply circuit, diode (7) is series between the coil of normally closed relay (8) and the cathode output end of DC voltage-stabilizing module (4), the negative electrode of diode (7) connects the cathode output end of DC voltage-stabilizing module (4), and anode connects the coil of normally closed relay (8); The contact of relay (6) is arranged between the cathode output end of DC voltage-stabilizing module (4) and the coil power supply loop output of normally closed relay (8); Between the electrode input end that the contact of normally closed relay (8) and the coil of relay (6) are connected to DC voltage-stabilizing module (4) and negative input.
5. the communication moving emergency power supply with voltage adaptive function according to claim 1, is characterized in that: described batteries (2) is Li-ion batteries piles, comprises the lithium battery that many groups are in parallel.
6. the communication moving emergency power supply with voltage adaptive function according to claim 5, is characterized in that: described batteries (2) sets up multiple subrack separately, and described subrack is installed in the cabinet of band moving runner, arranges a lithium battery in each subrack.
7. the communication moving emergency power supply with voltage adaptive function according to claim 5, it is characterized in that: described batteries (2) is arranged in a subrack, many groups lithium battery is arranged in parallel in subrack, and described subrack is installed in the cabinet of band moving runner.
8. the communication moving emergency power supply with voltage adaptive function according to claim 1, it is characterized in that: described charging module (1), switch (3), DC voltage-stabilizing module (4) and monitor board (5) are arranged in same subrack, subrack is installed in the cabinet of band moving runner.
9. the communication moving emergency power supply with voltage adaptive function according to claim 8, is characterized in that: described monitor board (5) is made up of single-chip microcomputer and digital line.
10. the communication moving emergency power supply with voltage adaptive function according to claim 8 or claim 9, it is characterized in that: described monitor board (5) and DC voltage-stabilizing module (4) are arranged on same circuit board or are arranged at respectively on two pieces of circuit boards, are connected each other by digital line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520724458.1U CN204967354U (en) | 2015-09-18 | 2015-09-18 | Communication is with removing emergency power source with voltage self -adaptation function |
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| CN201520724458.1U CN204967354U (en) | 2015-09-18 | 2015-09-18 | Communication is with removing emergency power source with voltage self -adaptation function |
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| CN204967354U true CN204967354U (en) | 2016-01-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110748A (en) * | 2017-12-19 | 2018-06-01 | 北京卫星制造厂 | A kind of access of direct current grid-connecting apparatus and exit control circuit and method |
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- 2015-09-18 CN CN201520724458.1U patent/CN204967354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110748A (en) * | 2017-12-19 | 2018-06-01 | 北京卫星制造厂 | A kind of access of direct current grid-connecting apparatus and exit control circuit and method |
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