CN210351024U - Battery inverter - Google Patents

Battery inverter Download PDF

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Publication number
CN210351024U
CN210351024U CN201921016256.6U CN201921016256U CN210351024U CN 210351024 U CN210351024 U CN 210351024U CN 201921016256 U CN201921016256 U CN 201921016256U CN 210351024 U CN210351024 U CN 210351024U
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China
Prior art keywords
inversion
inverter
battery
circuit
interface
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CN201921016256.6U
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Chinese (zh)
Inventor
吴忠深
邓海华
黄义钟
洪鹤隽
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Guangxi Chengxin Huichuang Technology Co ltd
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Guangxi Chengxin Huichuang Technology Co ltd
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Abstract

The utility model provides a battery inversion device, which comprises a power input interface, an inversion control module, an inversion output interface and an induction box body communication interface; the inversion control module is respectively connected with the power input interface and the inversion output interface; the induction box body communication interface is grounded. This battery inverter passes through the setting of response box communication interface, and the battery pack spare acquires the mounted state of battery pack self, and circuit structure is simple, and the security is high, has good practicality.

Description

Battery inverter
Technical Field
The utility model relates to the portable power source field, concretely relates to battery inverter equipment.
Background
The detachable portable power source separates the battery from the box body, so that the battery can be replaced, and the detachable portable power source has good practicability. The whole circuit setting with portable power source is usually on the box for current detachable portable power source, and the battery only is responsible for the power supply to external equipment, in order to guarantee the operation of box, still need set up solitary power on the box and drive, and this has led to detachable portable power source's box structure and circuit structure too complicated, and the fault rate is high. In addition, in the use process of the detachable mobile power supply, how to ensure that the battery pack can identify the installation state of the battery pack and perform accurate power output is the key for ensuring the use safety of the mobile power supply.
SUMMERY OF THE UTILITY MODEL
In order to realize overcoming current detachable portable power source's defect, the utility model provides a battery inverter for detachable construction portable power source's box part, this battery inverter pass through the setting of response box communication interface, and the battery pack spare acquires the installation state of battery pack self, and circuit structure is simple, and the security is high, has good practicality.
Correspondingly, the utility model provides a battery inverter device, which comprises a power input interface, an inverter control module, an inverter output interface and an induction box body communication interface;
the inversion control module is respectively connected with the power input interface and the inversion output interface;
the induction box body communication interface is grounded.
In an optional implementation manner, the battery inverter device further includes an interactive box communication interface, the inverter control module includes an inverter circuit and an inverter processor, and the power input interface is connected to the inverter output interface after passing through the inverter circuit;
the inversion processor is provided with an inversion circuit end and an inversion communication end;
the inverter circuit is provided with an inverter control receiving end;
the inversion control receiving end is connected with the inversion circuit end, and the inversion communication end is connected with the interaction box body communication interface.
In an optional implementation manner, the inverter control module further includes an inverter discharge circuit, and the inverter discharge circuit includes an inverter discharge switch circuit and an inverter discharge acquisition circuit;
the power input interface is connected with the inversion output interface after sequentially passing through the inversion circuit and the inversion discharge switch circuit;
the inversion processor is also provided with an inversion information receiving end and an inversion control end;
the inversion discharge switch circuit is provided with an inversion switch control end;
the inversion discharge acquisition circuit is provided with an inversion information acquisition end and an inversion information output end;
the inversion information acquisition end is connected between the inversion circuit and the inversion discharge switch circuit, and the inversion information output end is respectively connected with the inversion information receiving end and the inversion switch control end;
the inversion circuit end is connected with the inversion control receiving end, and the inversion control end is connected with the inversion switch control end.
In an optional embodiment, the input voltage of the power input interface is a dc voltage.
In an optional embodiment, the output voltage of the inverting output interface is an ac voltage.
In an optional embodiment, the inverter circuit is an analog inverter circuit or a digital inverter circuit.
The embodiment of the utility model provides a battery inverter device, which is used for a detachable mobile power supply; the battery inverter equipment is provided with the communication interface of the induction box body, and the battery assembly is supplied with the installation state of the battery assembly, so that the circuit structure is simple, the safety is high, and the practicability is good; the arrangement of the inversion control module can ensure the power output stability of the battery inversion equipment and protect external power equipment; the setting of mutual box communication interface can improve the work harmony of battery pack and box subassembly, has good security and practicality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows a schematic three-dimensional structure diagram of a battery inverter according to a first embodiment of the present invention;
fig. 2 shows a schematic diagram of a three-dimensional structure of a battery compartment according to a first embodiment of the present invention;
fig. 3 is a partially enlarged cross-sectional view of a battery inverter according to a first embodiment of the present invention;
fig. 4 shows a schematic diagram of a movement principle of a top block according to a first embodiment of the present invention;
fig. 5 shows a schematic three-dimensional structure diagram of a battery inverter according to a second embodiment of the present invention;
fig. 6 is a schematic diagram showing a sectional structure of a battery inverter according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of an inversion control module according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of an inverter discharge acquisition circuit according to an embodiment of the present invention;
fig. 9 shows a schematic diagram of a comparator structure according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a battery inversion device, which comprises a power input interface, an inversion control module, an inversion output interface and an induction box body communication interface; the inversion control module is respectively connected with the power input interface and the inversion output interface; the induction box body communication interface is grounded.
The utility model provides a battery inverter, this battery inverter are used for detachable construction's portable power source, and this battery inverter passes through the setting of response box communication interface, and the battery pack spare acquires the mounted state of battery pack self, and circuit structure is simple, and the security is high, has good practicality.
Specifically, several embodiments of the battery inverter apparatus provided by the present invention are described below.
The first embodiment is as follows:
fig. 1 shows the utility model discloses battery inverter equipment three-dimensional structure schematic diagram, fig. 2 shows the utility model discloses a battery compartment three-dimensional structure schematic diagram, fig. 3 shows the utility model discloses a local enlarged cross-sectional view of battery inverter equipment.
The embodiment of the utility model provides a battery inverter 20, this battery inverter 20 include outer box 201, battery compartment 206 and bolt subassembly.
The bottom of the outer box 201 is provided with a pulley 203, and the back of the outer box 201 is provided with a pull rod 202, so that a user can drag the whole split type mobile power supply conveniently.
An inverter output interface 207 is arranged on the outer box body and is used for connecting an external electric appliance; the battery compartment 206 is embedded in the outer case 201, and the plug pin assembly is arranged on the side wall of the battery compartment 206; the top surface of the battery compartment 206 is open and exposed out of the surface of the outer case 201 for placing battery components; the inner side wall of the battery bin 206 is provided with a power input interface 205 for generating electrical connection with a battery output interface of a battery assembly; the power input interface 205 is electrically connected to the inverter output interface 207, and transmits the power of the battery assembly to the inverter output interface 207.
The utility model discloses bolt subassembly includes bolt 210, knob 204, kicking block 212, bolt connecting piece 209 and bolt elastic component 211.
Referring to fig. 3 of the drawings, a bolt limiting hole is formed in a position of the outer case 201 corresponding to the bolt hole, the rear end of the bolt 211 is disposed in the bolt limiting hole, and the bolt elastic member 2 is disposed between the rear end of the bolt and the bottom of the bolt limiting hole in a compressed state; the upper part of the knob 204 is arranged on the surface of the outer box 201, the lower part of the knob 204 passes through the outer box 201 and extends into the outer box 201, and the bolt 210 is positioned on one side of the lower part of the knob 204; one end of the bolt connecting piece 209 is fixedly connected with the bolt 210, and the other end extends out of the top plate towards the knob direction; the root of the top block 212 is fixed on the lower part of the knob 204, and the end part of the top block 212 is contacted with the side wall of the top plate facing the battery compartment.
Fig. 4 shows a schematic diagram of the movement principle of the top block according to the embodiment of the present invention. Since the plug pin connector 209 is integrally connected with the plug pin 210, the rear end of the plug pin 210 is connected with the plug pin elastic member 211, and therefore, the plug pin connector 209 is always tightly attached to the top block 212. The knob 204 drives the top block 212 to swing around the root, the size component of the tail end of the top block 212 in the vertical direction shown in fig. 4 is gradually increased in the moving process, the bolt connecting piece 209 moves upwards, and the bolt 210 moves upwards synchronously; referring to fig. 2 and 3, the front end of the latch 210 is withdrawn from the interior of the battery compartment; conversely, when the knob 204 is further rotated, the knob 204 drives the top block 212 to swing around the root, the size component of the tail end of the top block 212 in the vertical direction shown in fig. 4 gradually decreases in the process of moving, the latch connecting piece 209 moves downwards, and the front end of the latch 210 extends into the battery compartment as shown in fig. 2 and 3.
Optionally, in the embodiment of the present invention, the number of the plug pin assemblies on the same side wall of the battery compartment is two, two plug pin through holes are provided on the same side wall of the battery compartment, and the plug pins in the two plug pin assemblies are respectively and correspondingly provided in the two plug pin through holes; the bolt connecting pieces in the two groups of bolt components are connected into a whole, and the two groups of bolt components share one knob and one ejector block.
Because battery pack's battery output interface can set up on the lateral wall, consequently, the utility model discloses the embodiment power input interface 205 sets up on the lateral wall of battery compartment, power input interface direction orientation the battery compartment top surface.
Example two
Fig. 1 to 4 are schematic structural diagrams illustrating a battery inverter device having only a battery compartment, and in particular, in order to improve the endurance of a portable power source, a plurality of batteries may be prevented in the same battery inverter device, so that the batteries may be replaced to improve the endurance of the batteries.
Fig. 5 shows a schematic diagram of a three-dimensional structure of a battery inverter according to an embodiment of the present invention. On the basis of the first embodiment, the battery inverter device of the embodiment of the present invention further includes a backup battery compartment 220, the backup battery compartment 220 is embedded in the outer case 201, and the latch assembly is disposed on a sidewall of the backup battery compartment; the top surface of the standby battery compartment 220 is open and exposed out of the surface of the outer box 201, and a bolt through hole is formed in the side wall of the standby battery compartment; the setting is in the bolt front end of the bolt subassembly on the spare battery storehouse passes through the bolt through-hole stretches into inside the spare battery storehouse, or passes through the bolt through-hole withdraws from inside the spare battery storehouse.
Compared with the first embodiment, the embodiment of the present invention adds the backup battery compartment 220, and the backup battery compartment 220 can store a larger number of batteries. Compared with the battery compartment 206, the spare battery compartment 220 is provided with only a latch assembly for fixing the battery assembly therein.
It should be noted that the positions of the battery compartment 206 and the backup battery compartment 220 shown in fig. 5 are only used for reference, and in specific implementations, the battery compartment 206 and the backup battery compartment 220 may be arbitrarily arranged.
Fig. 6 shows a schematic diagram of a cross-sectional structure of a battery inverter according to an embodiment of the present invention. Further, consider that the battery pack that uses up can be placed in reserve battery compartment 220, for raising the efficiency, the utility model discloses battery inverter equipment still includes the wireless charger 221 of box, the wireless charger 221 of box sets up on the reserve battery compartment.
Further, the battery inverter device further comprises a box wireless receiver 222, and the box wireless receiver 222 is arranged on the outer box;
the box wireless receiver 222 is electrically connected to the box wireless charger 221.
Optionally, a protrusion and a notch with the same structure are arranged at the bottom of the spare battery compartment 220 and the bottom of the outer box 201, and the box wireless charger 221 and the box wireless receiver 222 are respectively arranged in the protrusion and the notch; through this mode of setting up, battery pack and battery inverter equipment can charge through the charging device of same structure, have good practicality.
It is right above the utility model discloses battery inverter device has introduced the explanation, and in the concrete implementation, battery pack exports 5v or 12 v's low-voltage direct current usually, need to go up after handling through the contravariant module and step up to 220v and convert alternating current output to supply the external equipment to use.
Therefore, optionally, in the embodiment of the present invention, the battery inverter device further includes an inverter control module, and the power input interface is based on the inverter control module and the inverter output interface.
Fig. 7 shows a schematic structural diagram of an inversion control module according to an embodiment of the present invention. Contravariant control module sets up between outer box and battery compartment, and is concrete, the utility model discloses contravariant control module includes inverter circuit, contravariant discharge circuit and contravariant treater.
Optionally, the inverter discharge circuit includes an inverter discharge switch circuit and an inverter discharge acquisition circuit.
Basically, the inverter input interface is connected with the inverter circuit, and the low-voltage direct current is converted into high-voltage alternating current and then is controlled by the inverter discharge switch circuit to be output to the inverter output interface.
The inversion processor is provided with an inversion circuit end, an inversion information receiving end, an inversion control end and an inversion communication end;
the inverter circuit is provided with an inverter control receiving end;
the inversion discharge switch circuit is provided with an inversion switch control end;
the inversion discharge acquisition circuit is provided with an inversion information acquisition end and an inversion information output end.
In specific implementation, the inverter control module can normally operate only after the inverter processor is powered on and activated. The embodiment of the utility model provides an in, because portable power source adopts detachable construction, battery inverter self does not have the battery, and battery inverter need just can normally work after passing through battery compartment access battery. Therefore, in order to guarantee that contravariant control module can move smoothly after the battery inserts the battery compartment, the embodiment of the utility model provides a be provided with mutual box communication interface in the box, it is optional, mutual box communication interface be wherein the bolt in a set of or multiunit bolt subassembly, the contravariant treater pass through contravariant communication end with mutual box communication interface connects. In order to distinguish from the common bolt, the bolt with the function of the communication interface of the interactive box body is named as a communication bolt.
When battery inverter fixes battery pack through the communication bolt, the corresponding fixed orifices that is provided with on the battery pack, battery inverter's communication bolt realizes battery inverter's fixed to battery pack through spacing to the fixed orifices. Correspondingly, set up the mutual battery communication shell fragment of being connected with the battery in battery pack, the bolt is when fixing the fixed orifices, produces the contact with the communication battery shell fragment that corresponds, through this embodiment, the communication bolt is when fixing battery pack, can also guarantee when battery inverter fixes the accuracy to battery pack, the intercommunication takes place for communication bolt and mutual battery communication shell fragment, mutual box communication interface realizes the electricity with mutual battery communication shell fragment promptly and is connected
It should be noted that, the communication elastic piece of the interactive battery is communicated with the communication interface of the interactive box body, and the battery can transmit power and data for the inverter processor; meanwhile, the battery assembly can judge whether the bolt is accurately clamped into the corresponding fixing hole or not based on the communication condition with the inversion processor, and the battery assembly is correctly installed on the battery inversion equipment or not, so that the battery assembly is prevented from being discharged by mistake, and the safety and the practicability are good.
Inverter processor's inverter circuit end with inverter circuit's contravariant control receiving terminal is connected, and in prior art, inverter circuit can divide into two main categories of digital inverter circuit and simulation inverter circuit, the utility model discloses inverter circuit end and the connection of contravariant control receiving terminal, the function that mainly realizes is that inverter processor carries out on-off control to inverter circuit to whether control inverter circuit needs work. When the inversion processor is electrified based on the communication interface of the interactive box body and generates data communication with the battery assembly, if all the data communication is normal, the inversion processor controls the inversion circuit to start working, so that the inversion circuit takes effect.
The inversion information acquisition end of the inversion discharge acquisition circuit provided by the embodiment of the utility model is connected between the inversion circuit and the inversion discharge switch circuit, and is used for acquiring the voltage and/or current output condition of the inversion circuit; the inversion information output end is respectively connected with the inversion switch control end and the inversion information receiving end.
Specifically, the inversion information output end of the inversion discharge acquisition circuit is connected with the inversion switch control end, the inversion discharge acquisition circuit acquires the voltage and/or current data of the output end of the inversion circuit through the inversion information acquisition end, and when the voltage and/or current data of the output end of the inversion circuit are too large, the inversion information output end rapidly controls the inversion discharge acquisition circuit to be disconnected, so that external electric equipment is prevented from being damaged.
Specifically, the purpose that the inversion information output end of the inversion discharge acquisition circuit is connected with the inversion information receiving end of the inversion processor is that the inversion discharge acquisition circuit feeds back the acquired voltage and/or current data of the output end of the inversion circuit to the inversion processor, the inversion processor judges the output voltage and/or current of the inversion circuit according to a preset standard, and controls the on-off of the inversion discharge switch circuit according to a judgment result so as to ensure the use safety of external power utilization equipment. When the output voltage and/or current of the inverter circuit is overhigh, the inverter discharge switching circuit is directly disconnected mainly through the inverter discharge acquisition circuit; when the output voltage and/or current of the inverter circuit is too low or unstable, the inverter processor controls the inverter discharge switch circuit to be switched off.
Through the setting of contravariant control module, can guarantee that the output voltage and/or the electric current of contravariant output interface keep normal, improve external equipment's portable power source safety in utilization.
In addition, in order to judge whether the battery assembly is correctly installed on the accurate position of the battery inverter device or not, the battery compartment of the embodiment of the utility model is also internally provided with an induction box body communication interface which is grounded and used for the battery assembly to acquire position information; optionally, the number of the communication interfaces of the induction box body is more than one; alternatively, the induction box communication interface may be a plug in more than one set of plug assemblies. In order to distinguish from the common bolt, the bolt with the function of the communication interface of the induction box body is named as an induction bolt.
Correspondingly, the sensing battery elastic sheet can be correspondingly arranged in the fixing hole of the battery assembly, the sensing battery elastic sheet is connected with the battery processor, and the battery processor sets a high level for the sensing battery elastic sheet; when the induction bolt is fixed in the fixing hole of the battery pack, the induction bolt can be connected with the induction battery elastic sheet in the fixing hole, the induction battery elastic sheet is grounded and converted into a low potential, and the battery processor can judge whether the battery pack is accurately and firmly fixed on the battery inverter equipment through the information so as to judge whether the battery inverter equipment needs to be discharged.
Fig. 8 shows a schematic structural diagram of an inverter discharge acquisition circuit according to an embodiment of the present invention. The inversion discharge acquisition circuit of the embodiment of the invention has the basic principle that voltage is acquired in a resistor voltage division mode, and current is acquired through a current sensor. Specifically, the current sensor adopted in the embodiment of the invention is of an ACS758 type, and feeds a current signal back to the inverter processor; the inverter discharge acquisition circuit of the embodiment of the invention is also characterized in that a voltage detection branch is connected in parallel on the main loop, and the voltage detection branch is connected with two divider resistors R1 and R2 in series in sequence from the main loop and then grounded; the inversion processor obtains a voltage signal between two voltage dividing resistors R1 and R2, so that the voltage on the main loop is obtained.
Correspondingly, the inverter discharge acquisition circuit of the embodiment of the present invention further has a function of controlling the on/off of the switching circuit by an overload (overvoltage or overcurrent), specifically, a comparator may be disposed in the inverter discharge acquisition circuit to implement the function, specifically, as shown in a schematic structural diagram of the comparator shown in fig. 9, the obtained voltage and/or current signal is input to one of comparison input terminals of the comparator, and an output terminal of the comparator outputs a high level 1 or a low level 0 according to a difference between the input signal and the reference signal, so as to control the on/off of the inverter discharge switching circuit; in specific implementation, because the inverter discharge switch circuit can adopt a relay circuit, and part of relays have an overload protection function, the corresponding overload protection function can be realized through the self function of the inverter discharge switch circuit.
Optionally, because the embodiment of the invention has a certain number of general-purpose input and general-purpose output interfaces, optionally, the inversion processor can adopt stm32 series single-chip microcomputer.
The embodiment of the utility model provides a battery inverter device, which is used for a detachable mobile power supply; the battery inverter equipment is provided with the communication interface of the induction box body, and the battery assembly is supplied with the installation state of the battery assembly, so that the circuit structure is simple, the safety is high, and the practicability is good; the arrangement of the inversion control module can ensure the power output stability of the battery inversion equipment and protect external power equipment; the setting of mutual box communication interface can improve the work harmony of battery pack and box subassembly, has good security and practicality.
The above detailed description is made on the battery inverter device provided by the embodiment of the present invention, and the detailed examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (6)

1. The battery inverter equipment is characterized by comprising a power input interface, an inverter control module, an inverter output interface and an induction box body communication interface;
the inversion control module is respectively connected with the power input interface and the inversion output interface;
the induction box body communication interface is grounded.
2. The battery inverter device according to claim 1, wherein the battery inverter device further includes an interactive box communication interface, the inverter control module includes an inverter circuit and an inverter processor, and the power input interface is connected to the inverter output interface after passing through the inverter circuit;
the inversion processor is provided with an inversion circuit end and an inversion communication end;
the inverter circuit is provided with an inverter control receiving end;
the inversion control receiving end is connected with the inversion circuit end, and the inversion communication end is connected with the interaction box body communication interface.
3. The battery inverter apparatus of claim 2, wherein the inverter control module further comprises an inverter discharge circuit including an inverter discharge switch circuit and an inverter discharge acquisition circuit;
the power input interface is connected with the inversion output interface after sequentially passing through the inversion circuit and the inversion discharge switch circuit;
the inversion processor is also provided with an inversion information receiving end and an inversion control end;
the inversion discharge switch circuit is provided with an inversion switch control end;
the inversion discharge acquisition circuit is provided with an inversion information acquisition end and an inversion information output end;
the inversion information acquisition end is connected between the inversion circuit and the inversion discharge switch circuit, and the inversion information output end is respectively connected with the inversion information receiving end and the inversion switch control end;
the inversion circuit end is connected with the inversion control receiving end, and the inversion control end is connected with the inversion switch control end.
4. The battery inverter apparatus of claim 1, wherein the input voltage of the power input interface is a direct current voltage.
5. The battery inverter apparatus of claim 1, wherein the output voltage of the inverter output interface is an ac voltage.
6. The battery inverter apparatus of claim 2, wherein the inverter circuit is an analog inverter circuit or a digital inverter circuit.
CN201921016256.6U 2019-07-02 2019-07-02 Battery inverter Active CN210351024U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921016256.6U CN210351024U (en) 2019-07-02 2019-07-02 Battery inverter

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Application Number Priority Date Filing Date Title
CN201921016256.6U CN210351024U (en) 2019-07-02 2019-07-02 Battery inverter

Publications (1)

Publication Number Publication Date
CN210351024U true CN210351024U (en) 2020-04-17

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Application Number Title Priority Date Filing Date
CN201921016256.6U Active CN210351024U (en) 2019-07-02 2019-07-02 Battery inverter

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111725971A (en) * 2020-06-05 2020-09-29 河南蓝通信息技术有限公司 Mobile communication power supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111725971A (en) * 2020-06-05 2020-09-29 河南蓝通信息技术有限公司 Mobile communication power supply

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